opcua.ua.AddReferencesResponse.from_binary() - Code Metrics - Inspection of "Server side deleting of nodes." - FreeOpcUa/python-opcua - Measure and Improve Code Quality continuously with Scrutinizer

Completed
Pull Request — master (#114)

by Denis
created 2016-01-16 22:04 UTC
opcua.ua.AddReferencesResponse.from_binary() A

↳ Parent: opcua.ua.AddReferencesResponse
Complexity

Conditions
Size

Total Lines
Duplication

Lines	0
Ratio	0 %
Code Coverage

Tests	1
CRAP Score	1.125
Metric	Value
cc	1
dl	0
loc	3
ccs	1
cts	2
cp	0.5
crap	1.125
rs	10
'''
Autogenerate code from xml spec
'''

from datetime import datetime
from enum import Enum, IntEnum

from opcua.common.utils import Buffer
from opcua.common.uaerrors import UAError
from opcua.ua.uatypes import *
from opcua.ua.object_ids import ObjectIds


class NamingRuleType(IntEnum):
    '''
    :ivar Mandatory:
    :vartype Mandatory: 1
    :ivar Optional:
    :vartype Optional: 2
    :ivar Constraint:
    :vartype Constraint: 3
    '''
    Mandatory = 1
    Optional = 2
    Constraint = 3


class OpenFileMode(IntEnum):
    '''
    :ivar Read:
    :vartype Read: 1
    :ivar Write:
    :vartype Write: 2
    :ivar EraseExisting:
    :vartype EraseExisting: 4
    :ivar Append:
    :vartype Append: 8
    '''
    Read = 1
    Write = 2
    EraseExisting = 4
    Append = 8


class TrustListMasks(IntEnum):
    '''
    :ivar None_:
    :vartype None_: 0
    :ivar TrustedCertificates:
    :vartype TrustedCertificates: 1
    :ivar TrustedCrls:
    :vartype TrustedCrls: 2
    :ivar IssuerCertificates:
    :vartype IssuerCertificates: 4
    :ivar IssuerCrls:
    :vartype IssuerCrls: 8
    :ivar All:
    :vartype All: 15
    '''
    None_ = 0
    TrustedCertificates = 1
    TrustedCrls = 2
    IssuerCertificates = 4
    IssuerCrls = 8
    All = 15


class IdType(IntEnum):
    '''
    The type of identifier used in a node id.

    :ivar Numeric:
    :vartype Numeric: 0
    :ivar String:
    :vartype String: 1
    :ivar Guid:
    :vartype Guid: 2
    :ivar Opaque:
    :vartype Opaque: 3
    '''
    Numeric = 0
    String = 1
    Guid = 2
    Opaque = 3


class NodeClass(IntEnum):
    '''
    A mask specifying the class of the node.

    :ivar Unspecified:
    :vartype Unspecified: 0
    :ivar Object:
    :vartype Object: 1
    :ivar Variable:
    :vartype Variable: 2
    :ivar Method:
    :vartype Method: 4
    :ivar ObjectType:
    :vartype ObjectType: 8
    :ivar VariableType:
    :vartype VariableType: 16
    :ivar ReferenceType:
    :vartype ReferenceType: 32
    :ivar DataType:
    :vartype DataType: 64
    :ivar View:
    :vartype View: 128
    '''
    Unspecified = 0
    Object = 1
    Variable = 2
    Method = 4
    ObjectType = 8
    VariableType = 16
    ReferenceType = 32
    DataType = 64
    View = 128


class ApplicationType(IntEnum):
    '''
    The types of applications.

    :ivar Server:
    :vartype Server: 0
    :ivar Client:
    :vartype Client: 1
    :ivar ClientAndServer:
    :vartype ClientAndServer: 2
    :ivar DiscoveryServer:
    :vartype DiscoveryServer: 3
    '''
    Server = 0
    Client = 1
    ClientAndServer = 2
    DiscoveryServer = 3


class MessageSecurityMode(IntEnum):
    '''
    The type of security to use on a message.

    :ivar Invalid:
    :vartype Invalid: 0
    :ivar None_:
    :vartype None_: 1
    :ivar Sign:
    :vartype Sign: 2
    :ivar SignAndEncrypt:
    :vartype SignAndEncrypt: 3
    '''
    Invalid = 0
    None_ = 1
    Sign = 2
    SignAndEncrypt = 3


class UserTokenType(IntEnum):
    '''
    The possible user token types.

    :ivar Anonymous:
    :vartype Anonymous: 0
    :ivar UserName:
    :vartype UserName: 1
    :ivar Certificate:
    :vartype Certificate: 2
    :ivar IssuedToken:
    :vartype IssuedToken: 3
    :ivar Kerberos:
    :vartype Kerberos: 4
    '''
    Anonymous = 0
    UserName = 1
    Certificate = 2
    IssuedToken = 3
    Kerberos = 4


class SecurityTokenRequestType(IntEnum):
    '''
    Indicates whether a token if being created or renewed.

    :ivar Issue:
    :vartype Issue: 0
    :ivar Renew:
    :vartype Renew: 1
    '''
    Issue = 0
    Renew = 1


class NodeAttributesMask(IntEnum):
    '''
    The bits used to specify default attributes for a new node.

    :ivar None_:
    :vartype None_: 0
    :ivar AccessLevel:
    :vartype AccessLevel: 1
    :ivar ArrayDimensions:
    :vartype ArrayDimensions: 2
    :ivar BrowseName:
    :vartype BrowseName: 4
    :ivar ContainsNoLoops:
    :vartype ContainsNoLoops: 8
    :ivar DataType:
    :vartype DataType: 16
    :ivar Description:
    :vartype Description: 32
    :ivar DisplayName:
    :vartype DisplayName: 64
    :ivar EventNotifier:
    :vartype EventNotifier: 128
    :ivar Executable:
    :vartype Executable: 256
    :ivar Historizing:
    :vartype Historizing: 512
    :ivar InverseName:
    :vartype InverseName: 1024
    :ivar IsAbstract:
    :vartype IsAbstract: 2048
    :ivar MinimumSamplingInterval:
    :vartype MinimumSamplingInterval: 4096
    :ivar NodeClass:
    :vartype NodeClass: 8192
    :ivar NodeId:
    :vartype NodeId: 16384
    :ivar Symmetric:
    :vartype Symmetric: 32768
    :ivar UserAccessLevel:
    :vartype UserAccessLevel: 65536
    :ivar UserExecutable:
    :vartype UserExecutable: 131072
    :ivar UserWriteMask:
    :vartype UserWriteMask: 262144
    :ivar ValueRank:
    :vartype ValueRank: 524288
    :ivar WriteMask:
    :vartype WriteMask: 1048576
    :ivar Value:
    :vartype Value: 2097152
    :ivar All:
    :vartype All: 4194303
    :ivar BaseNode:
    :vartype BaseNode: 1335396
    :ivar Object:
    :vartype Object: 1335524
    :ivar ObjectTypeOrDataType:
    :vartype ObjectTypeOrDataType: 1337444
    :ivar Variable:
    :vartype Variable: 4026999
    :ivar VariableType:
    :vartype VariableType: 3958902
    :ivar Method:
    :vartype Method: 1466724
    :ivar ReferenceType:
    :vartype ReferenceType: 1371236
    :ivar View:
    :vartype View: 1335532
    '''
    None_ = 0
    AccessLevel = 1
    ArrayDimensions = 2
    BrowseName = 4
    ContainsNoLoops = 8
    DataType = 16
    Description = 32
    DisplayName = 64
    EventNotifier = 128
    Executable = 256
    Historizing = 512
    InverseName = 1024
    IsAbstract = 2048
    MinimumSamplingInterval = 4096
    NodeClass = 8192
    NodeId = 16384
    Symmetric = 32768
    UserAccessLevel = 65536
    UserExecutable = 131072
    UserWriteMask = 262144
    ValueRank = 524288
    WriteMask = 1048576
    Value = 2097152
    All = 4194303
    BaseNode = 1335396
    Object = 1335524
    ObjectTypeOrDataType = 1337444
    Variable = 4026999
    VariableType = 3958902
    Method = 1466724
    ReferenceType = 1371236
    View = 1335532


class AttributeWriteMask(IntEnum):
    '''
    Define bits used to indicate which attributes are writable.

    :ivar None_:
    :vartype None_: 0
    :ivar AccessLevel:
    :vartype AccessLevel: 1
    :ivar ArrayDimensions:
    :vartype ArrayDimensions: 2
    :ivar BrowseName:
    :vartype BrowseName: 4
    :ivar ContainsNoLoops:
    :vartype ContainsNoLoops: 8
    :ivar DataType:
    :vartype DataType: 16
    :ivar Description:
    :vartype Description: 32
    :ivar DisplayName:
    :vartype DisplayName: 64
    :ivar EventNotifier:
    :vartype EventNotifier: 128
    :ivar Executable:
    :vartype Executable: 256
    :ivar Historizing:
    :vartype Historizing: 512
    :ivar InverseName:
    :vartype InverseName: 1024
    :ivar IsAbstract:
    :vartype IsAbstract: 2048
    :ivar MinimumSamplingInterval:
    :vartype MinimumSamplingInterval: 4096
    :ivar NodeClass:
    :vartype NodeClass: 8192
    :ivar NodeId:
    :vartype NodeId: 16384
    :ivar Symmetric:
    :vartype Symmetric: 32768
    :ivar UserAccessLevel:
    :vartype UserAccessLevel: 65536
    :ivar UserExecutable:
    :vartype UserExecutable: 131072
    :ivar UserWriteMask:
    :vartype UserWriteMask: 262144
    :ivar ValueRank:
    :vartype ValueRank: 524288
    :ivar WriteMask:
    :vartype WriteMask: 1048576
    :ivar ValueForVariableType:
    :vartype ValueForVariableType: 2097152
    '''
    None_ = 0
    AccessLevel = 1
    ArrayDimensions = 2
    BrowseName = 4
    ContainsNoLoops = 8
    DataType = 16
    Description = 32
    DisplayName = 64
    EventNotifier = 128
    Executable = 256
    Historizing = 512
    InverseName = 1024
    IsAbstract = 2048
    MinimumSamplingInterval = 4096
    NodeClass = 8192
    NodeId = 16384
    Symmetric = 32768
    UserAccessLevel = 65536
    UserExecutable = 131072
    UserWriteMask = 262144
    ValueRank = 524288
    WriteMask = 1048576
    ValueForVariableType = 2097152


class BrowseDirection(IntEnum):
    '''
    The directions of the references to return.

    :ivar Forward:
    :vartype Forward: 0
    :ivar Inverse:
    :vartype Inverse: 1
    :ivar Both:
    :vartype Both: 2
    '''
    Forward = 0
    Inverse = 1
    Both = 2


class BrowseResultMask(IntEnum):
    '''
    A bit mask which specifies what should be returned in a browse response.

    :ivar None_:
    :vartype None_: 0
    :ivar ReferenceTypeId:
    :vartype ReferenceTypeId: 1
    :ivar IsForward:
    :vartype IsForward: 2
    :ivar NodeClass:
    :vartype NodeClass: 4
    :ivar BrowseName:
    :vartype BrowseName: 8
    :ivar DisplayName:
    :vartype DisplayName: 16
    :ivar TypeDefinition:
    :vartype TypeDefinition: 32
    :ivar All:
    :vartype All: 63
    :ivar ReferenceTypeInfo:
    :vartype ReferenceTypeInfo: 3
    :ivar TargetInfo:
    :vartype TargetInfo: 60
    '''
    None_ = 0
    ReferenceTypeId = 1
    IsForward = 2
    NodeClass = 4
    BrowseName = 8
    DisplayName = 16
    TypeDefinition = 32
    All = 63
    ReferenceTypeInfo = 3
    TargetInfo = 60


class ComplianceLevel(IntEnum):
    '''
    :ivar Untested:
    :vartype Untested: 0
    :ivar Partial:
    :vartype Partial: 1
    :ivar SelfTested:
    :vartype SelfTested: 2
    :ivar Certified:
    :vartype Certified: 3
    '''
    Untested = 0
    Partial = 1
    SelfTested = 2
    Certified = 3


class FilterOperator(IntEnum):
    '''
    :ivar Equals:
    :vartype Equals: 0
    :ivar IsNull:
    :vartype IsNull: 1
    :ivar GreaterThan:
    :vartype GreaterThan: 2
    :ivar LessThan:
    :vartype LessThan: 3
    :ivar GreaterThanOrEqual:
    :vartype GreaterThanOrEqual: 4
    :ivar LessThanOrEqual:
    :vartype LessThanOrEqual: 5
    :ivar Like:
    :vartype Like: 6
    :ivar Not:
    :vartype Not: 7
    :ivar Between:
    :vartype Between: 8
    :ivar InList:
    :vartype InList: 9
    :ivar And:
    :vartype And: 10
    :ivar Or:
    :vartype Or: 11
    :ivar Cast:
    :vartype Cast: 12
    :ivar InView:
    :vartype InView: 13
    :ivar OfType:
    :vartype OfType: 14
    :ivar RelatedTo:
    :vartype RelatedTo: 15
    :ivar BitwiseAnd:
    :vartype BitwiseAnd: 16
    :ivar BitwiseOr:
    :vartype BitwiseOr: 17
    '''
    Equals = 0
    IsNull = 1
    GreaterThan = 2
    LessThan = 3
    GreaterThanOrEqual = 4
    LessThanOrEqual = 5
    Like = 6
    Not = 7
    Between = 8
    InList = 9
    And = 10
    Or = 11
    Cast = 12
    InView = 13
    OfType = 14
    RelatedTo = 15
    BitwiseAnd = 16
    BitwiseOr = 17


class TimestampsToReturn(IntEnum):
    '''
    :ivar Source:
    :vartype Source: 0
    :ivar Server:
    :vartype Server: 1
    :ivar Both:
    :vartype Both: 2
    :ivar Neither:
    :vartype Neither: 3
    '''
    Source = 0
    Server = 1
    Both = 2
    Neither = 3


class HistoryUpdateType(IntEnum):
    '''
    :ivar Insert:
    :vartype Insert: 1
    :ivar Replace:
    :vartype Replace: 2
    :ivar Update:
    :vartype Update: 3
    :ivar Delete:
    :vartype Delete: 4
    '''
    Insert = 1
    Replace = 2
    Update = 3
    Delete = 4


class PerformUpdateType(IntEnum):
    '''
    :ivar Insert:
    :vartype Insert: 1
    :ivar Replace:
    :vartype Replace: 2
    :ivar Update:
    :vartype Update: 3
    :ivar Remove:
    :vartype Remove: 4
    '''
    Insert = 1
    Replace = 2
    Update = 3
    Remove = 4


class MonitoringMode(IntEnum):
    '''
    :ivar Disabled:
    :vartype Disabled: 0
    :ivar Sampling:
    :vartype Sampling: 1
    :ivar Reporting:
    :vartype Reporting: 2
    '''
    Disabled = 0
    Sampling = 1
    Reporting = 2


class DataChangeTrigger(IntEnum):
    '''
    :ivar Status:
    :vartype Status: 0
    :ivar StatusValue:
    :vartype StatusValue: 1
    :ivar StatusValueTimestamp:
    :vartype StatusValueTimestamp: 2
    '''
    Status = 0
    StatusValue = 1
    StatusValueTimestamp = 2


class DeadbandType(IntEnum):
    '''
    :ivar None_:
    :vartype None_: 0
    :ivar Absolute:
    :vartype Absolute: 1
    :ivar Percent:
    :vartype Percent: 2
    '''
    None_ = 0
    Absolute = 1
    Percent = 2


class EnumeratedTestType(IntEnum):
    '''
    A simple enumerated type used for testing.

    :ivar Red:
    :vartype Red: 1
    :ivar Yellow:
    :vartype Yellow: 4
    :ivar Green:
    :vartype Green: 5
    '''
    Red = 1
    Yellow = 4
    Green = 5


class RedundancySupport(IntEnum):
    '''
    :ivar None_:
    :vartype None_: 0
    :ivar Cold:
    :vartype Cold: 1
    :ivar Warm:
    :vartype Warm: 2
    :ivar Hot:
    :vartype Hot: 3
    :ivar Transparent:
    :vartype Transparent: 4
    :ivar HotAndMirrored:
    :vartype HotAndMirrored: 5
    '''
    None_ = 0
    Cold = 1
    Warm = 2
    Hot = 3
    Transparent = 4
    HotAndMirrored = 5


class ServerState(IntEnum):
    '''
    :ivar Running:
    :vartype Running: 0
    :ivar Failed:
    :vartype Failed: 1
    :ivar NoConfiguration:
    :vartype NoConfiguration: 2
    :ivar Suspended:
    :vartype Suspended: 3
    :ivar Shutdown:
    :vartype Shutdown: 4
    :ivar Test:
    :vartype Test: 5
    :ivar CommunicationFault:
    :vartype CommunicationFault: 6
    :ivar Unknown:
    :vartype Unknown: 7
    '''
    Running = 0
    Failed = 1
    NoConfiguration = 2
    Suspended = 3
    Shutdown = 4
    Test = 5
    CommunicationFault = 6
    Unknown = 7


class ModelChangeStructureVerbMask(IntEnum):
    '''
    :ivar NodeAdded:
    :vartype NodeAdded: 1
    :ivar NodeDeleted:
    :vartype NodeDeleted: 2
    :ivar ReferenceAdded:
    :vartype ReferenceAdded: 4
    :ivar ReferenceDeleted:
    :vartype ReferenceDeleted: 8
    :ivar DataTypeChanged:
    :vartype DataTypeChanged: 16
    '''
    NodeAdded = 1
    NodeDeleted = 2
    ReferenceAdded = 4
    ReferenceDeleted = 8
    DataTypeChanged = 16


class AxisScaleEnumeration(IntEnum):
    '''
    :ivar Linear:
    :vartype Linear: 0
    :ivar Log:
    :vartype Log: 1
    :ivar Ln:
    :vartype Ln: 2
    '''
    Linear = 0
    Log = 1
    Ln = 2


class ExceptionDeviationFormat(IntEnum):
    '''
    :ivar AbsoluteValue:
    :vartype AbsoluteValue: 0
    :ivar PercentOfValue:
    :vartype PercentOfValue: 1
    :ivar PercentOfRange:
    :vartype PercentOfRange: 2
    :ivar PercentOfEURange:
    :vartype PercentOfEURange: 3
    :ivar Unknown:
    :vartype Unknown: 4
    '''
    AbsoluteValue = 0
    PercentOfValue = 1
    PercentOfRange = 2
    PercentOfEURange = 3
    Unknown = 4


class XmlElement(FrozenClass):
    '''
    An XML element encoded as a UTF-8 string.

    :ivar Length:
    :vartype Length: Int32
    :ivar Value:
    :vartype Value: Char
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.Length = 0
        self.Value = []
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(uatype_Int32.pack(self.Length))
        packet.append(uatype_Int32.pack(len(self.Value)))
        for fieldname in self.Value:
            packet.append(uatype_Char.pack(fieldname))
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return XmlElement(data)

    def _binary_init(self, data):
        self.Length = uatype_Int32.unpack(data.read(4))[0]
        self.Value = unpack_uatype_array('Char', data)

    def __str__(self):
        return 'XmlElement(' + 'Length:' + str(self.Length) + ', ' + \
               'Value:' + str(self.Value) + ')'

    __repr__ = __str__


class DiagnosticInfo(FrozenClass):
    '''
    A recursive structure containing diagnostic information associated with a status code.

    :ivar Encoding:
    :vartype Encoding: UInt8
    :ivar SymbolicId:
    :vartype SymbolicId: Int32
    :ivar NamespaceURI:
    :vartype NamespaceURI: Int32
    :ivar Locale:
    :vartype Locale: Int32
    :ivar LocalizedText:
    :vartype LocalizedText: Int32
    :ivar AdditionalInfo:
    :vartype AdditionalInfo: CharArray
    :ivar InnerStatusCode:
    :vartype InnerStatusCode: StatusCode
    :ivar InnerDiagnosticInfo:
    :vartype InnerDiagnosticInfo: DiagnosticInfo
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.Encoding = 0
        self.SymbolicId = 0
        self.NamespaceURI = 0
        self.Locale = 0
        self.LocalizedText = 0
        self.AdditionalInfo = b''
        self.InnerStatusCode = StatusCode()
        self.InnerDiagnosticInfo = None
        self._freeze = True

    def to_binary(self):
        packet = []
        if self.SymbolicId: self.Encoding |= (1 << 0)
        if self.NamespaceURI: self.Encoding |= (1 << 1)
        if self.Locale: self.Encoding |= (1 << 2)
        if self.LocalizedText: self.Encoding |= (1 << 3)
        if self.AdditionalInfo: self.Encoding |= (1 << 4)
        if self.InnerStatusCode: self.Encoding |= (1 << 5)
        if self.InnerDiagnosticInfo: self.Encoding |= (1 << 6)
        packet.append(uatype_UInt8.pack(self.Encoding))
        if self.SymbolicId:
            packet.append(uatype_Int32.pack(self.SymbolicId))
        if self.NamespaceURI:
            packet.append(uatype_Int32.pack(self.NamespaceURI))
        if self.Locale:
            packet.append(uatype_Int32.pack(self.Locale))
        if self.LocalizedText:
            packet.append(uatype_Int32.pack(self.LocalizedText))
        if self.AdditionalInfo:
            packet.append(pack_bytes(self.AdditionalInfo))
        if self.InnerStatusCode:
            packet.append(self.InnerStatusCode.to_binary())
        if self.InnerDiagnosticInfo:
            packet.append(self.InnerDiagnosticInfo.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return DiagnosticInfo(data)

    def _binary_init(self, data):
        self.Encoding = uatype_UInt8.unpack(data.read(1))[0]
        if self.Encoding & (1 << 0):
            self.SymbolicId = uatype_Int32.unpack(data.read(4))[0]
        else:
            self.SymbolicId = 0
        if self.Encoding & (1 << 1):
            self.NamespaceURI = uatype_Int32.unpack(data.read(4))[0]
        else:
            self.NamespaceURI = 0
        if self.Encoding & (1 << 2):
            self.Locale = uatype_Int32.unpack(data.read(4))[0]
        else:
            self.Locale = 0
        if self.Encoding & (1 << 3):
            self.LocalizedText = uatype_Int32.unpack(data.read(4))[0]
        else:
            self.LocalizedText = 0
        if self.Encoding & (1 << 4):
            self.AdditionalInfo = unpack_bytes(data)
        else:
            self.AdditionalInfo = b''
        if self.Encoding & (1 << 5):
            self.InnerStatusCode = StatusCode.from_binary(data)
        else:
            self.InnerStatusCode = StatusCode()
        if self.Encoding & (1 << 6):
            self.InnerDiagnosticInfo = DiagnosticInfo.from_binary(data)
        else:
            self.InnerDiagnosticInfo = None

    def __str__(self):
        return 'DiagnosticInfo(' + 'Encoding:' + str(self.Encoding) + ', ' + \
               'SymbolicId:' + str(self.SymbolicId) + ', ' + \
               'NamespaceURI:' + str(self.NamespaceURI) + ', ' + \
               'Locale:' + str(self.Locale) + ', ' + \
               'LocalizedText:' + str(self.LocalizedText) + ', ' + \
               'AdditionalInfo:' + str(self.AdditionalInfo) + ', ' + \
               'InnerStatusCode:' + str(self.InnerStatusCode) + ', ' + \
               'InnerDiagnosticInfo:' + str(self.InnerDiagnosticInfo) + ')'

    __repr__ = __str__


class TrustListDataType(FrozenClass):
    '''
    :ivar SpecifiedLists:
    :vartype SpecifiedLists: UInt32
    :ivar TrustedCertificates:
    :vartype TrustedCertificates: ByteString
    :ivar TrustedCrls:
    :vartype TrustedCrls: ByteString
    :ivar IssuerCertificates:
    :vartype IssuerCertificates: ByteString
    :ivar IssuerCrls:
    :vartype IssuerCrls: ByteString
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.SpecifiedLists = 0
        self.TrustedCertificates = []
        self.TrustedCrls = []
        self.IssuerCertificates = []
        self.IssuerCrls = []
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(uatype_UInt32.pack(self.SpecifiedLists))
        packet.append(uatype_Int32.pack(len(self.TrustedCertificates)))
        for fieldname in self.TrustedCertificates:
            packet.append(pack_bytes(fieldname))
        packet.append(uatype_Int32.pack(len(self.TrustedCrls)))
        for fieldname in self.TrustedCrls:
            packet.append(pack_bytes(fieldname))
        packet.append(uatype_Int32.pack(len(self.IssuerCertificates)))
        for fieldname in self.IssuerCertificates:
            packet.append(pack_bytes(fieldname))
        packet.append(uatype_Int32.pack(len(self.IssuerCrls)))
        for fieldname in self.IssuerCrls:
            packet.append(pack_bytes(fieldname))
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return TrustListDataType(data)

    def _binary_init(self, data):
        self.SpecifiedLists = uatype_UInt32.unpack(data.read(4))[0]
        self.TrustedCertificates = unpack_uatype_array('ByteString', data)
        self.TrustedCrls = unpack_uatype_array('ByteString', data)
        self.IssuerCertificates = unpack_uatype_array('ByteString', data)
        self.IssuerCrls = unpack_uatype_array('ByteString', data)

    def __str__(self):
        return 'TrustListDataType(' + 'SpecifiedLists:' + str(self.SpecifiedLists) + ', ' + \
               'TrustedCertificates:' + str(self.TrustedCertificates) + ', ' + \
               'TrustedCrls:' + str(self.TrustedCrls) + ', ' + \
               'IssuerCertificates:' + str(self.IssuerCertificates) + ', ' + \
               'IssuerCrls:' + str(self.IssuerCrls) + ')'

    __repr__ = __str__


class Argument(FrozenClass):
    '''
    An argument for a method.

    :ivar Name:
    :vartype Name: String
    :ivar DataType:
    :vartype DataType: NodeId
    :ivar ValueRank:
    :vartype ValueRank: Int32
    :ivar ArrayDimensions:
    :vartype ArrayDimensions: UInt32
    :ivar Description:
    :vartype Description: LocalizedText
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.Name = ''
        self.DataType = NodeId()
        self.ValueRank = 0
        self.ArrayDimensions = []
        self.Description = LocalizedText()
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(pack_string(self.Name))
        packet.append(self.DataType.to_binary())
        packet.append(uatype_Int32.pack(self.ValueRank))
        packet.append(uatype_Int32.pack(len(self.ArrayDimensions)))
        for fieldname in self.ArrayDimensions:
            packet.append(uatype_UInt32.pack(fieldname))
        packet.append(self.Description.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return Argument(data)

    def _binary_init(self, data):
        self.Name = unpack_string(data)
        self.DataType = NodeId.from_binary(data)
        self.ValueRank = uatype_Int32.unpack(data.read(4))[0]
        self.ArrayDimensions = unpack_uatype_array('UInt32', data)
        self.Description = LocalizedText.from_binary(data)

    def __str__(self):
        return 'Argument(' + 'Name:' + str(self.Name) + ', ' + \
               'DataType:' + str(self.DataType) + ', ' + \
               'ValueRank:' + str(self.ValueRank) + ', ' + \
               'ArrayDimensions:' + str(self.ArrayDimensions) + ', ' + \
               'Description:' + str(self.Description) + ')'

    __repr__ = __str__


class EnumValueType(FrozenClass):
    '''
    A mapping between a value of an enumerated type and a name and description.

    :ivar Value:
    :vartype Value: Int64
    :ivar DisplayName:
    :vartype DisplayName: LocalizedText
    :ivar Description:
    :vartype Description: LocalizedText
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.Value = 0
        self.DisplayName = LocalizedText()
        self.Description = LocalizedText()
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(uatype_Int64.pack(self.Value))
        packet.append(self.DisplayName.to_binary())
        packet.append(self.Description.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return EnumValueType(data)

    def _binary_init(self, data):
        self.Value = uatype_Int64.unpack(data.read(8))[0]
        self.DisplayName = LocalizedText.from_binary(data)
        self.Description = LocalizedText.from_binary(data)

    def __str__(self):
        return 'EnumValueType(' + 'Value:' + str(self.Value) + ', ' + \
               'DisplayName:' + str(self.DisplayName) + ', ' + \
               'Description:' + str(self.Description) + ')'

    __repr__ = __str__


class OptionSet(FrozenClass):
    '''
    This abstract Structured DataType is the base DataType for all DataTypes representing a bit mask.

    :ivar Value:
    :vartype Value: ByteString
    :ivar ValidBits:
    :vartype ValidBits: ByteString
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.Value = b''
        self.ValidBits = b''
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(pack_bytes(self.Value))
        packet.append(pack_bytes(self.ValidBits))
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return OptionSet(data)

    def _binary_init(self, data):
        self.Value = unpack_bytes(data)
        self.ValidBits = unpack_bytes(data)

    def __str__(self):
        return 'OptionSet(' + 'Value:' + str(self.Value) + ', ' + \
               'ValidBits:' + str(self.ValidBits) + ')'

    __repr__ = __str__


class Union(FrozenClass):
    '''
    This abstract DataType is the base DataType for all union DataTypes.

    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self._freeze = True

    def to_binary(self):
        packet = []
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return Union(data)

    def _binary_init(self, data):
        pass

    def __str__(self):
        return 'Union(' +  + ')'

    __repr__ = __str__


class TimeZoneDataType(FrozenClass):
    '''
    :ivar Offset:
    :vartype Offset: Int16
    :ivar DaylightSavingInOffset:
    :vartype DaylightSavingInOffset: Boolean
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.Offset = 0
        self.DaylightSavingInOffset = True
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(uatype_Int16.pack(self.Offset))
        packet.append(uatype_Boolean.pack(self.DaylightSavingInOffset))
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return TimeZoneDataType(data)

    def _binary_init(self, data):
        self.Offset = uatype_Int16.unpack(data.read(2))[0]
        self.DaylightSavingInOffset = uatype_Boolean.unpack(data.read(1))[0]

    def __str__(self):
        return 'TimeZoneDataType(' + 'Offset:' + str(self.Offset) + ', ' + \
               'DaylightSavingInOffset:' + str(self.DaylightSavingInOffset) + ')'

    __repr__ = __str__


class ApplicationDescription(FrozenClass):
    '''
    Describes an application and how to find it.

    :ivar ApplicationUri:
    :vartype ApplicationUri: String
    :ivar ProductUri:
    :vartype ProductUri: String
    :ivar ApplicationName:
    :vartype ApplicationName: LocalizedText
    :ivar ApplicationType:
    :vartype ApplicationType: ApplicationType
    :ivar GatewayServerUri:
    :vartype GatewayServerUri: String
    :ivar DiscoveryProfileUri:
    :vartype DiscoveryProfileUri: String
    :ivar DiscoveryUrls:
    :vartype DiscoveryUrls: String
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.ApplicationUri = ''
        self.ProductUri = ''
        self.ApplicationName = LocalizedText()
        self.ApplicationType = ApplicationType(0)
        self.GatewayServerUri = ''
        self.DiscoveryProfileUri = ''
        self.DiscoveryUrls = []
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(pack_string(self.ApplicationUri))
        packet.append(pack_string(self.ProductUri))
        packet.append(self.ApplicationName.to_binary())
        packet.append(uatype_UInt32.pack(self.ApplicationType.value))
        packet.append(pack_string(self.GatewayServerUri))
        packet.append(pack_string(self.DiscoveryProfileUri))
        packet.append(uatype_Int32.pack(len(self.DiscoveryUrls)))
        for fieldname in self.DiscoveryUrls:
            packet.append(pack_string(fieldname))
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return ApplicationDescription(data)

    def _binary_init(self, data):
        self.ApplicationUri = unpack_string(data)
        self.ProductUri = unpack_string(data)
        self.ApplicationName = LocalizedText.from_binary(data)
        self.ApplicationType = ApplicationType(uatype_UInt32.unpack(data.read(4))[0])
        self.GatewayServerUri = unpack_string(data)
        self.DiscoveryProfileUri = unpack_string(data)
        self.DiscoveryUrls = unpack_uatype_array('String', data)

    def __str__(self):
        return 'ApplicationDescription(' + 'ApplicationUri:' + str(self.ApplicationUri) + ', ' + \
               'ProductUri:' + str(self.ProductUri) + ', ' + \
               'ApplicationName:' + str(self.ApplicationName) + ', ' + \
               'ApplicationType:' + str(self.ApplicationType) + ', ' + \
               'GatewayServerUri:' + str(self.GatewayServerUri) + ', ' + \
               'DiscoveryProfileUri:' + str(self.DiscoveryProfileUri) + ', ' + \
               'DiscoveryUrls:' + str(self.DiscoveryUrls) + ')'

    __repr__ = __str__


class RequestHeader(FrozenClass):
    '''
    The header passed with every server request.

    :ivar AuthenticationToken:
    :vartype AuthenticationToken: NodeId
    :ivar Timestamp:
    :vartype Timestamp: DateTime
    :ivar RequestHandle:
    :vartype RequestHandle: UInt32
    :ivar ReturnDiagnostics:
    :vartype ReturnDiagnostics: UInt32
    :ivar AuditEntryId:
    :vartype AuditEntryId: String
    :ivar TimeoutHint:
    :vartype TimeoutHint: UInt32
    :ivar AdditionalHeader:
    :vartype AdditionalHeader: ExtensionObject
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.AuthenticationToken = NodeId()
        self.Timestamp = datetime.now()
        self.RequestHandle = 0
        self.ReturnDiagnostics = 0
        self.AuditEntryId = ''
        self.TimeoutHint = 0
        self.AdditionalHeader = None
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.AuthenticationToken.to_binary())
        packet.append(pack_datetime(self.Timestamp))
        packet.append(uatype_UInt32.pack(self.RequestHandle))
        packet.append(uatype_UInt32.pack(self.ReturnDiagnostics))
        packet.append(pack_string(self.AuditEntryId))
        packet.append(uatype_UInt32.pack(self.TimeoutHint))
        packet.append(extensionobject_to_binary(self.AdditionalHeader))
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return RequestHeader(data)

    def _binary_init(self, data):
        self.AuthenticationToken = NodeId.from_binary(data)
        self.Timestamp = unpack_datetime(data)
        self.RequestHandle = uatype_UInt32.unpack(data.read(4))[0]
        self.ReturnDiagnostics = uatype_UInt32.unpack(data.read(4))[0]
        self.AuditEntryId = unpack_string(data)
        self.TimeoutHint = uatype_UInt32.unpack(data.read(4))[0]
        self.AdditionalHeader = extensionobject_from_binary(data)

    def __str__(self):
        return 'RequestHeader(' + 'AuthenticationToken:' + str(self.AuthenticationToken) + ', ' + \
               'Timestamp:' + str(self.Timestamp) + ', ' + \
               'RequestHandle:' + str(self.RequestHandle) + ', ' + \
               'ReturnDiagnostics:' + str(self.ReturnDiagnostics) + ', ' + \
               'AuditEntryId:' + str(self.AuditEntryId) + ', ' + \
               'TimeoutHint:' + str(self.TimeoutHint) + ', ' + \
               'AdditionalHeader:' + str(self.AdditionalHeader) + ')'

    __repr__ = __str__


class ResponseHeader(FrozenClass):
    '''
    The header passed with every server response.

    :ivar Timestamp:
    :vartype Timestamp: DateTime
    :ivar RequestHandle:
    :vartype RequestHandle: UInt32
    :ivar ServiceResult:
    :vartype ServiceResult: StatusCode
    :ivar ServiceDiagnostics:
    :vartype ServiceDiagnostics: DiagnosticInfo
    :ivar StringTable:
    :vartype StringTable: String
    :ivar AdditionalHeader:
    :vartype AdditionalHeader: ExtensionObject
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.Timestamp = datetime.now()
        self.RequestHandle = 0
        self.ServiceResult = StatusCode()
        self.ServiceDiagnostics = DiagnosticInfo()
        self.StringTable = []
        self.AdditionalHeader = None
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(pack_datetime(self.Timestamp))
        packet.append(uatype_UInt32.pack(self.RequestHandle))
        packet.append(self.ServiceResult.to_binary())
        packet.append(self.ServiceDiagnostics.to_binary())
        packet.append(uatype_Int32.pack(len(self.StringTable)))
        for fieldname in self.StringTable:
            packet.append(pack_string(fieldname))
        packet.append(extensionobject_to_binary(self.AdditionalHeader))
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return ResponseHeader(data)

    def _binary_init(self, data):
        self.Timestamp = unpack_datetime(data)
        self.RequestHandle = uatype_UInt32.unpack(data.read(4))[0]
        self.ServiceResult = StatusCode.from_binary(data)
        self.ServiceDiagnostics = DiagnosticInfo.from_binary(data)
        self.StringTable = unpack_uatype_array('String', data)
        self.AdditionalHeader = extensionobject_from_binary(data)

    def __str__(self):
        return 'ResponseHeader(' + 'Timestamp:' + str(self.Timestamp) + ', ' + \
               'RequestHandle:' + str(self.RequestHandle) + ', ' + \
               'ServiceResult:' + str(self.ServiceResult) + ', ' + \
               'ServiceDiagnostics:' + str(self.ServiceDiagnostics) + ', ' + \
               'StringTable:' + str(self.StringTable) + ', ' + \
               'AdditionalHeader:' + str(self.AdditionalHeader) + ')'

    __repr__ = __str__


class ServiceFault(FrozenClass):
    '''
    The response returned by all services when there is a service level error.

    :ivar TypeId:
    :vartype TypeId: NodeId
    :ivar ResponseHeader:
    :vartype ResponseHeader: ResponseHeader
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.TypeId = FourByteNodeId(ObjectIds.ServiceFault_Encoding_DefaultBinary)
        self.ResponseHeader = ResponseHeader()
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.TypeId.to_binary())
        packet.append(self.ResponseHeader.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return ServiceFault(data)

    def _binary_init(self, data):
        self.TypeId = NodeId.from_binary(data)
        self.ResponseHeader = ResponseHeader.from_binary(data)

    def __str__(self):
        return 'ServiceFault(' + 'TypeId:' + str(self.TypeId) + ', ' + \
               'ResponseHeader:' + str(self.ResponseHeader) + ')'

    __repr__ = __str__


class FindServersParameters(FrozenClass):
    '''
    :ivar EndpointUrl:
    :vartype EndpointUrl: String
    :ivar LocaleIds:
    :vartype LocaleIds: String
    :ivar ServerUris:
    :vartype ServerUris: String
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.EndpointUrl = ''
        self.LocaleIds = []
        self.ServerUris = []
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(pack_string(self.EndpointUrl))
        packet.append(uatype_Int32.pack(len(self.LocaleIds)))
        for fieldname in self.LocaleIds:
            packet.append(pack_string(fieldname))
        packet.append(uatype_Int32.pack(len(self.ServerUris)))
        for fieldname in self.ServerUris:
            packet.append(pack_string(fieldname))
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return FindServersParameters(data)

    def _binary_init(self, data):
        self.EndpointUrl = unpack_string(data)
        self.LocaleIds = unpack_uatype_array('String', data)
        self.ServerUris = unpack_uatype_array('String', data)

    def __str__(self):
        return 'FindServersParameters(' + 'EndpointUrl:' + str(self.EndpointUrl) + ', ' + \
               'LocaleIds:' + str(self.LocaleIds) + ', ' + \
               'ServerUris:' + str(self.ServerUris) + ')'

    __repr__ = __str__


class FindServersRequest(FrozenClass):
    '''
    Finds the servers known to the discovery server.

    :ivar TypeId:
    :vartype TypeId: NodeId
    :ivar RequestHeader:
    :vartype RequestHeader: RequestHeader
    :ivar Parameters:
    :vartype Parameters: FindServersParameters
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.TypeId = FourByteNodeId(ObjectIds.FindServersRequest_Encoding_DefaultBinary)
        self.RequestHeader = RequestHeader()
        self.Parameters = FindServersParameters()
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.TypeId.to_binary())
        packet.append(self.RequestHeader.to_binary())
        packet.append(self.Parameters.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return FindServersRequest(data)

    def _binary_init(self, data):
        self.TypeId = NodeId.from_binary(data)
        self.RequestHeader = RequestHeader.from_binary(data)
        self.Parameters = FindServersParameters.from_binary(data)

    def __str__(self):
        return 'FindServersRequest(' + 'TypeId:' + str(self.TypeId) + ', ' + \
               'RequestHeader:' + str(self.RequestHeader) + ', ' + \
               'Parameters:' + str(self.Parameters) + ')'

    __repr__ = __str__


class FindServersResponse(FrozenClass):
    '''
    Finds the servers known to the discovery server.

    :ivar TypeId:
    :vartype TypeId: NodeId
    :ivar ResponseHeader:
    :vartype ResponseHeader: ResponseHeader
    :ivar Servers:
    :vartype Servers: ApplicationDescription
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.TypeId = FourByteNodeId(ObjectIds.FindServersResponse_Encoding_DefaultBinary)
        self.ResponseHeader = ResponseHeader()
        self.Servers = []
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.TypeId.to_binary())
        packet.append(self.ResponseHeader.to_binary())
        packet.append(uatype_Int32.pack(len(self.Servers)))
        for fieldname in self.Servers:
            packet.append(fieldname.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return FindServersResponse(data)

    def _binary_init(self, data):
        self.TypeId = NodeId.from_binary(data)
        self.ResponseHeader = ResponseHeader.from_binary(data)
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(ApplicationDescription.from_binary(data))
        self.Servers = array

    def __str__(self):
        return 'FindServersResponse(' + 'TypeId:' + str(self.TypeId) + ', ' + \
               'ResponseHeader:' + str(self.ResponseHeader) + ', ' + \
               'Servers:' + str(self.Servers) + ')'

    __repr__ = __str__


class ServerOnNetwork(FrozenClass):
    '''
    :ivar RecordId:
    :vartype RecordId: UInt32
    :ivar ServerName:
    :vartype ServerName: String
    :ivar DiscoveryUrl:
    :vartype DiscoveryUrl: String
    :ivar ServerCapabilities:
    :vartype ServerCapabilities: String
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.RecordId = 0
        self.ServerName = ''
        self.DiscoveryUrl = ''
        self.ServerCapabilities = []
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(uatype_UInt32.pack(self.RecordId))
        packet.append(pack_string(self.ServerName))
        packet.append(pack_string(self.DiscoveryUrl))
        packet.append(uatype_Int32.pack(len(self.ServerCapabilities)))
        for fieldname in self.ServerCapabilities:
            packet.append(pack_string(fieldname))
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return ServerOnNetwork(data)

    def _binary_init(self, data):
        self.RecordId = uatype_UInt32.unpack(data.read(4))[0]
        self.ServerName = unpack_string(data)
        self.DiscoveryUrl = unpack_string(data)
        self.ServerCapabilities = unpack_uatype_array('String', data)

    def __str__(self):
        return 'ServerOnNetwork(' + 'RecordId:' + str(self.RecordId) + ', ' + \
               'ServerName:' + str(self.ServerName) + ', ' + \
               'DiscoveryUrl:' + str(self.DiscoveryUrl) + ', ' + \
               'ServerCapabilities:' + str(self.ServerCapabilities) + ')'

    __repr__ = __str__


class FindServersOnNetworkParameters(FrozenClass):
    '''
    :ivar StartingRecordId:
    :vartype StartingRecordId: UInt32
    :ivar MaxRecordsToReturn:
    :vartype MaxRecordsToReturn: UInt32
    :ivar ServerCapabilityFilter:
    :vartype ServerCapabilityFilter: String
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.StartingRecordId = 0
        self.MaxRecordsToReturn = 0
        self.ServerCapabilityFilter = []
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(uatype_UInt32.pack(self.StartingRecordId))
        packet.append(uatype_UInt32.pack(self.MaxRecordsToReturn))
        packet.append(uatype_Int32.pack(len(self.ServerCapabilityFilter)))
        for fieldname in self.ServerCapabilityFilter:
            packet.append(pack_string(fieldname))
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return FindServersOnNetworkParameters(data)

    def _binary_init(self, data):
        self.StartingRecordId = uatype_UInt32.unpack(data.read(4))[0]
        self.MaxRecordsToReturn = uatype_UInt32.unpack(data.read(4))[0]
        self.ServerCapabilityFilter = unpack_uatype_array('String', data)

    def __str__(self):
        return 'FindServersOnNetworkParameters(' + 'StartingRecordId:' + str(self.StartingRecordId) + ', ' + \
               'MaxRecordsToReturn:' + str(self.MaxRecordsToReturn) + ', ' + \
               'ServerCapabilityFilter:' + str(self.ServerCapabilityFilter) + ')'

    __repr__ = __str__


class FindServersOnNetworkRequest(FrozenClass):
    '''
    :ivar TypeId:
    :vartype TypeId: NodeId
    :ivar RequestHeader:
    :vartype RequestHeader: RequestHeader
    :ivar Parameters:
    :vartype Parameters: FindServersOnNetworkParameters
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.TypeId = FourByteNodeId(ObjectIds.FindServersOnNetworkRequest_Encoding_DefaultBinary)
        self.RequestHeader = RequestHeader()
        self.Parameters = FindServersOnNetworkParameters()
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.TypeId.to_binary())
        packet.append(self.RequestHeader.to_binary())
        packet.append(self.Parameters.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return FindServersOnNetworkRequest(data)

    def _binary_init(self, data):
        self.TypeId = NodeId.from_binary(data)
        self.RequestHeader = RequestHeader.from_binary(data)
        self.Parameters = FindServersOnNetworkParameters.from_binary(data)

    def __str__(self):
        return 'FindServersOnNetworkRequest(' + 'TypeId:' + str(self.TypeId) + ', ' + \
               'RequestHeader:' + str(self.RequestHeader) + ', ' + \
               'Parameters:' + str(self.Parameters) + ')'

    __repr__ = __str__


class FindServersOnNetworkResult(FrozenClass):
    '''
    :ivar LastCounterResetTime:
    :vartype LastCounterResetTime: DateTime
    :ivar Servers:
    :vartype Servers: ServerOnNetwork
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.LastCounterResetTime = datetime.now()
        self.Servers = []
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(pack_datetime(self.LastCounterResetTime))
        packet.append(uatype_Int32.pack(len(self.Servers)))
        for fieldname in self.Servers:
            packet.append(fieldname.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return FindServersOnNetworkResult(data)

    def _binary_init(self, data):
        self.LastCounterResetTime = unpack_datetime(data)
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(ServerOnNetwork.from_binary(data))
        self.Servers = array

    def __str__(self):
        return 'FindServersOnNetworkResult(' + 'LastCounterResetTime:' + str(self.LastCounterResetTime) + ', ' + \
               'Servers:' + str(self.Servers) + ')'

    __repr__ = __str__


class FindServersOnNetworkResponse(FrozenClass):
    '''
    :ivar TypeId:
    :vartype TypeId: NodeId
    :ivar ResponseHeader:
    :vartype ResponseHeader: ResponseHeader
    :ivar Parameters:
    :vartype Parameters: FindServersOnNetworkResult
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.TypeId = FourByteNodeId(ObjectIds.FindServersOnNetworkResponse_Encoding_DefaultBinary)
        self.ResponseHeader = ResponseHeader()
        self.Parameters = FindServersOnNetworkResult()
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.TypeId.to_binary())
        packet.append(self.ResponseHeader.to_binary())
        packet.append(self.Parameters.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return FindServersOnNetworkResponse(data)

    def _binary_init(self, data):
        self.TypeId = NodeId.from_binary(data)
        self.ResponseHeader = ResponseHeader.from_binary(data)
        self.Parameters = FindServersOnNetworkResult.from_binary(data)

    def __str__(self):
        return 'FindServersOnNetworkResponse(' + 'TypeId:' + str(self.TypeId) + ', ' + \
               'ResponseHeader:' + str(self.ResponseHeader) + ', ' + \
               'Parameters:' + str(self.Parameters) + ')'

    __repr__ = __str__


class UserTokenPolicy(FrozenClass):
    '''
    Describes a user token that can be used with a server.

    :ivar PolicyId:
    :vartype PolicyId: String
    :ivar TokenType:
    :vartype TokenType: UserTokenType
    :ivar IssuedTokenType:
    :vartype IssuedTokenType: String
    :ivar IssuerEndpointUrl:
    :vartype IssuerEndpointUrl: String
    :ivar SecurityPolicyUri:
    :vartype SecurityPolicyUri: String
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.PolicyId = ''
        self.TokenType = UserTokenType(0)
        self.IssuedTokenType = ''
        self.IssuerEndpointUrl = ''
        self.SecurityPolicyUri = ''
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(pack_string(self.PolicyId))
        packet.append(uatype_UInt32.pack(self.TokenType.value))
        packet.append(pack_string(self.IssuedTokenType))
        packet.append(pack_string(self.IssuerEndpointUrl))
        packet.append(pack_string(self.SecurityPolicyUri))
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return UserTokenPolicy(data)

    def _binary_init(self, data):
        self.PolicyId = unpack_string(data)
        self.TokenType = UserTokenType(uatype_UInt32.unpack(data.read(4))[0])
        self.IssuedTokenType = unpack_string(data)
        self.IssuerEndpointUrl = unpack_string(data)
        self.SecurityPolicyUri = unpack_string(data)

    def __str__(self):
        return 'UserTokenPolicy(' + 'PolicyId:' + str(self.PolicyId) + ', ' + \
               'TokenType:' + str(self.TokenType) + ', ' + \
               'IssuedTokenType:' + str(self.IssuedTokenType) + ', ' + \
               'IssuerEndpointUrl:' + str(self.IssuerEndpointUrl) + ', ' + \
               'SecurityPolicyUri:' + str(self.SecurityPolicyUri) + ')'

    __repr__ = __str__


class EndpointDescription(FrozenClass):
    '''
    The description of a endpoint that can be used to access a server.

    :ivar EndpointUrl:
    :vartype EndpointUrl: String
    :ivar Server:
    :vartype Server: ApplicationDescription
    :ivar ServerCertificate:
    :vartype ServerCertificate: ByteString
    :ivar SecurityMode:
    :vartype SecurityMode: MessageSecurityMode
    :ivar SecurityPolicyUri:
    :vartype SecurityPolicyUri: String
    :ivar UserIdentityTokens:
    :vartype UserIdentityTokens: UserTokenPolicy
    :ivar TransportProfileUri:
    :vartype TransportProfileUri: String
    :ivar SecurityLevel:
    :vartype SecurityLevel: Byte
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.EndpointUrl = ''
        self.Server = ApplicationDescription()
        self.ServerCertificate = b''
        self.SecurityMode = MessageSecurityMode(0)
        self.SecurityPolicyUri = ''
        self.UserIdentityTokens = []
        self.TransportProfileUri = ''
        self.SecurityLevel = 0
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(pack_string(self.EndpointUrl))
        packet.append(self.Server.to_binary())
        packet.append(pack_bytes(self.ServerCertificate))
        packet.append(uatype_UInt32.pack(self.SecurityMode.value))
        packet.append(pack_string(self.SecurityPolicyUri))
        packet.append(uatype_Int32.pack(len(self.UserIdentityTokens)))
        for fieldname in self.UserIdentityTokens:
            packet.append(fieldname.to_binary())
        packet.append(pack_string(self.TransportProfileUri))
        packet.append(uatype_Byte.pack(self.SecurityLevel))
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return EndpointDescription(data)

    def _binary_init(self, data):
        self.EndpointUrl = unpack_string(data)
        self.Server = ApplicationDescription.from_binary(data)
        self.ServerCertificate = unpack_bytes(data)
        self.SecurityMode = MessageSecurityMode(uatype_UInt32.unpack(data.read(4))[0])
        self.SecurityPolicyUri = unpack_string(data)
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(UserTokenPolicy.from_binary(data))
        self.UserIdentityTokens = array
        self.TransportProfileUri = unpack_string(data)
        self.SecurityLevel = uatype_Byte.unpack(data.read(1))[0]

    def __str__(self):
        return 'EndpointDescription(' + 'EndpointUrl:' + str(self.EndpointUrl) + ', ' + \
               'Server:' + str(self.Server) + ', ' + \
               'ServerCertificate:' + str(self.ServerCertificate) + ', ' + \
               'SecurityMode:' + str(self.SecurityMode) + ', ' + \
               'SecurityPolicyUri:' + str(self.SecurityPolicyUri) + ', ' + \
               'UserIdentityTokens:' + str(self.UserIdentityTokens) + ', ' + \
               'TransportProfileUri:' + str(self.TransportProfileUri) + ', ' + \
               'SecurityLevel:' + str(self.SecurityLevel) + ')'

    __repr__ = __str__


class GetEndpointsParameters(FrozenClass):
    '''
    :ivar EndpointUrl:
    :vartype EndpointUrl: String
    :ivar LocaleIds:
    :vartype LocaleIds: String
    :ivar ProfileUris:
    :vartype ProfileUris: String
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.EndpointUrl = ''
        self.LocaleIds = []
        self.ProfileUris = []
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(pack_string(self.EndpointUrl))
        packet.append(uatype_Int32.pack(len(self.LocaleIds)))
        for fieldname in self.LocaleIds:
            packet.append(pack_string(fieldname))
        packet.append(uatype_Int32.pack(len(self.ProfileUris)))
        for fieldname in self.ProfileUris:
            packet.append(pack_string(fieldname))
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return GetEndpointsParameters(data)

    def _binary_init(self, data):
        self.EndpointUrl = unpack_string(data)
        self.LocaleIds = unpack_uatype_array('String', data)
        self.ProfileUris = unpack_uatype_array('String', data)

    def __str__(self):
        return 'GetEndpointsParameters(' + 'EndpointUrl:' + str(self.EndpointUrl) + ', ' + \
               'LocaleIds:' + str(self.LocaleIds) + ', ' + \
               'ProfileUris:' + str(self.ProfileUris) + ')'

    __repr__ = __str__


class GetEndpointsRequest(FrozenClass):
    '''
    Gets the endpoints used by the server.

    :ivar TypeId:
    :vartype TypeId: NodeId
    :ivar RequestHeader:
    :vartype RequestHeader: RequestHeader
    :ivar Parameters:
    :vartype Parameters: GetEndpointsParameters
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.TypeId = FourByteNodeId(ObjectIds.GetEndpointsRequest_Encoding_DefaultBinary)
        self.RequestHeader = RequestHeader()
        self.Parameters = GetEndpointsParameters()
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.TypeId.to_binary())
        packet.append(self.RequestHeader.to_binary())
        packet.append(self.Parameters.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return GetEndpointsRequest(data)

    def _binary_init(self, data):
        self.TypeId = NodeId.from_binary(data)
        self.RequestHeader = RequestHeader.from_binary(data)
        self.Parameters = GetEndpointsParameters.from_binary(data)

    def __str__(self):
        return 'GetEndpointsRequest(' + 'TypeId:' + str(self.TypeId) + ', ' + \
               'RequestHeader:' + str(self.RequestHeader) + ', ' + \
               'Parameters:' + str(self.Parameters) + ')'

    __repr__ = __str__


class GetEndpointsResponse(FrozenClass):
    '''
    Gets the endpoints used by the server.

    :ivar TypeId:
    :vartype TypeId: NodeId
    :ivar ResponseHeader:
    :vartype ResponseHeader: ResponseHeader
    :ivar Endpoints:
    :vartype Endpoints: EndpointDescription
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.TypeId = FourByteNodeId(ObjectIds.GetEndpointsResponse_Encoding_DefaultBinary)
        self.ResponseHeader = ResponseHeader()
        self.Endpoints = []
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.TypeId.to_binary())
        packet.append(self.ResponseHeader.to_binary())
        packet.append(uatype_Int32.pack(len(self.Endpoints)))
        for fieldname in self.Endpoints:
            packet.append(fieldname.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return GetEndpointsResponse(data)

    def _binary_init(self, data):
        self.TypeId = NodeId.from_binary(data)
        self.ResponseHeader = ResponseHeader.from_binary(data)
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(EndpointDescription.from_binary(data))
        self.Endpoints = array

    def __str__(self):
        return 'GetEndpointsResponse(' + 'TypeId:' + str(self.TypeId) + ', ' + \
               'ResponseHeader:' + str(self.ResponseHeader) + ', ' + \
               'Endpoints:' + str(self.Endpoints) + ')'

    __repr__ = __str__


class RegisteredServer(FrozenClass):
    '''
    The information required to register a server with a discovery server.

    :ivar ServerUri:
    :vartype ServerUri: String
    :ivar ProductUri:
    :vartype ProductUri: String
    :ivar ServerNames:
    :vartype ServerNames: LocalizedText
    :ivar ServerType:
    :vartype ServerType: ApplicationType
    :ivar GatewayServerUri:
    :vartype GatewayServerUri: String
    :ivar DiscoveryUrls:
    :vartype DiscoveryUrls: String
    :ivar SemaphoreFilePath:
    :vartype SemaphoreFilePath: String
    :ivar IsOnline:
    :vartype IsOnline: Boolean
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.ServerUri = ''
        self.ProductUri = ''
        self.ServerNames = []
        self.ServerType = ApplicationType(0)
        self.GatewayServerUri = ''
        self.DiscoveryUrls = []
        self.SemaphoreFilePath = ''
        self.IsOnline = True
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(pack_string(self.ServerUri))
        packet.append(pack_string(self.ProductUri))
        packet.append(uatype_Int32.pack(len(self.ServerNames)))
        for fieldname in self.ServerNames:
            packet.append(fieldname.to_binary())
        packet.append(uatype_UInt32.pack(self.ServerType.value))
        packet.append(pack_string(self.GatewayServerUri))
        packet.append(uatype_Int32.pack(len(self.DiscoveryUrls)))
        for fieldname in self.DiscoveryUrls:
            packet.append(pack_string(fieldname))
        packet.append(pack_string(self.SemaphoreFilePath))
        packet.append(uatype_Boolean.pack(self.IsOnline))
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return RegisteredServer(data)

    def _binary_init(self, data):
        self.ServerUri = unpack_string(data)
        self.ProductUri = unpack_string(data)
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(LocalizedText.from_binary(data))
        self.ServerNames = array
        self.ServerType = ApplicationType(uatype_UInt32.unpack(data.read(4))[0])
        self.GatewayServerUri = unpack_string(data)
        self.DiscoveryUrls = unpack_uatype_array('String', data)
        self.SemaphoreFilePath = unpack_string(data)
        self.IsOnline = uatype_Boolean.unpack(data.read(1))[0]

    def __str__(self):
        return 'RegisteredServer(' + 'ServerUri:' + str(self.ServerUri) + ', ' + \
               'ProductUri:' + str(self.ProductUri) + ', ' + \
               'ServerNames:' + str(self.ServerNames) + ', ' + \
               'ServerType:' + str(self.ServerType) + ', ' + \
               'GatewayServerUri:' + str(self.GatewayServerUri) + ', ' + \
               'DiscoveryUrls:' + str(self.DiscoveryUrls) + ', ' + \
               'SemaphoreFilePath:' + str(self.SemaphoreFilePath) + ', ' + \
               'IsOnline:' + str(self.IsOnline) + ')'

    __repr__ = __str__


class RegisterServerRequest(FrozenClass):
    '''
    Registers a server with the discovery server.

    :ivar TypeId:
    :vartype TypeId: NodeId
    :ivar RequestHeader:
    :vartype RequestHeader: RequestHeader
    :ivar Server:
    :vartype Server: RegisteredServer
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.TypeId = FourByteNodeId(ObjectIds.RegisterServerRequest_Encoding_DefaultBinary)
        self.RequestHeader = RequestHeader()
        self.Server = RegisteredServer()
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.TypeId.to_binary())
        packet.append(self.RequestHeader.to_binary())
        packet.append(self.Server.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return RegisterServerRequest(data)

    def _binary_init(self, data):
        self.TypeId = NodeId.from_binary(data)
        self.RequestHeader = RequestHeader.from_binary(data)
        self.Server = RegisteredServer.from_binary(data)

    def __str__(self):
        return 'RegisterServerRequest(' + 'TypeId:' + str(self.TypeId) + ', ' + \
               'RequestHeader:' + str(self.RequestHeader) + ', ' + \
               'Server:' + str(self.Server) + ')'

    __repr__ = __str__


class RegisterServerResponse(FrozenClass):
    '''
    Registers a server with the discovery server.

    :ivar TypeId:
    :vartype TypeId: NodeId
    :ivar ResponseHeader:
    :vartype ResponseHeader: ResponseHeader
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.TypeId = FourByteNodeId(ObjectIds.RegisterServerResponse_Encoding_DefaultBinary)
        self.ResponseHeader = ResponseHeader()
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.TypeId.to_binary())
        packet.append(self.ResponseHeader.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return RegisterServerResponse(data)

    def _binary_init(self, data):
        self.TypeId = NodeId.from_binary(data)
        self.ResponseHeader = ResponseHeader.from_binary(data)

    def __str__(self):
        return 'RegisterServerResponse(' + 'TypeId:' + str(self.TypeId) + ', ' + \
               'ResponseHeader:' + str(self.ResponseHeader) + ')'

    __repr__ = __str__


class DiscoveryConfiguration(FrozenClass):
    '''
    A base type for discovery configuration information.

    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self._freeze = True

    def to_binary(self):
        packet = []
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return DiscoveryConfiguration(data)

    def _binary_init(self, data):
        pass

    def __str__(self):
        return 'DiscoveryConfiguration(' +  + ')'

    __repr__ = __str__


class MdnsDiscoveryConfiguration(FrozenClass):
    '''
    The discovery information needed for mDNS registration.

    :ivar MdnsServerName:
    :vartype MdnsServerName: String
    :ivar ServerCapabilities:
    :vartype ServerCapabilities: String
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.MdnsServerName = ''
        self.ServerCapabilities = []
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(pack_string(self.MdnsServerName))
        packet.append(uatype_Int32.pack(len(self.ServerCapabilities)))
        for fieldname in self.ServerCapabilities:
            packet.append(pack_string(fieldname))
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return MdnsDiscoveryConfiguration(data)

    def _binary_init(self, data):
        self.MdnsServerName = unpack_string(data)
        self.ServerCapabilities = unpack_uatype_array('String', data)

    def __str__(self):
        return 'MdnsDiscoveryConfiguration(' + 'MdnsServerName:' + str(self.MdnsServerName) + ', ' + \
               'ServerCapabilities:' + str(self.ServerCapabilities) + ')'

    __repr__ = __str__


class RegisterServer2Parameters(FrozenClass):
    '''
    :ivar Server:
    :vartype Server: RegisteredServer
    :ivar DiscoveryConfiguration:
    :vartype DiscoveryConfiguration: ExtensionObject
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.Server = RegisteredServer()
        self.DiscoveryConfiguration = []
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.Server.to_binary())
        packet.append(uatype_Int32.pack(len(self.DiscoveryConfiguration)))
        for fieldname in self.DiscoveryConfiguration:
            packet.append(extensionobject_to_binary(fieldname))
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return RegisterServer2Parameters(data)

    def _binary_init(self, data):
        self.Server = RegisteredServer.from_binary(data)
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(extensionobject_from_binary(data))
        self.DiscoveryConfiguration = array

    def __str__(self):
        return 'RegisterServer2Parameters(' + 'Server:' + str(self.Server) + ', ' + \
               'DiscoveryConfiguration:' + str(self.DiscoveryConfiguration) + ')'

    __repr__ = __str__


class RegisterServer2Request(FrozenClass):
    '''
    :ivar TypeId:
    :vartype TypeId: NodeId
    :ivar RequestHeader:
    :vartype RequestHeader: RequestHeader
    :ivar Parameters:
    :vartype Parameters: RegisterServer2Parameters
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.TypeId = FourByteNodeId(ObjectIds.RegisterServer2Request_Encoding_DefaultBinary)
        self.RequestHeader = RequestHeader()
        self.Parameters = RegisterServer2Parameters()
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.TypeId.to_binary())
        packet.append(self.RequestHeader.to_binary())
        packet.append(self.Parameters.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return RegisterServer2Request(data)

    def _binary_init(self, data):
        self.TypeId = NodeId.from_binary(data)
        self.RequestHeader = RequestHeader.from_binary(data)
        self.Parameters = RegisterServer2Parameters.from_binary(data)

    def __str__(self):
        return 'RegisterServer2Request(' + 'TypeId:' + str(self.TypeId) + ', ' + \
               'RequestHeader:' + str(self.RequestHeader) + ', ' + \
               'Parameters:' + str(self.Parameters) + ')'

    __repr__ = __str__


class RegisterServer2Response(FrozenClass):
    '''
    :ivar TypeId:
    :vartype TypeId: NodeId
    :ivar ResponseHeader:
    :vartype ResponseHeader: ResponseHeader
    :ivar ConfigurationResults:
    :vartype ConfigurationResults: StatusCode
    :ivar DiagnosticInfos:
    :vartype DiagnosticInfos: DiagnosticInfo
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.TypeId = FourByteNodeId(ObjectIds.RegisterServer2Response_Encoding_DefaultBinary)
        self.ResponseHeader = ResponseHeader()
        self.ConfigurationResults = []
        self.DiagnosticInfos = []
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.TypeId.to_binary())
        packet.append(self.ResponseHeader.to_binary())
        packet.append(uatype_Int32.pack(len(self.ConfigurationResults)))
        for fieldname in self.ConfigurationResults:
            packet.append(fieldname.to_binary())
        packet.append(uatype_Int32.pack(len(self.DiagnosticInfos)))
        for fieldname in self.DiagnosticInfos:
            packet.append(fieldname.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return RegisterServer2Response(data)

    def _binary_init(self, data):
        self.TypeId = NodeId.from_binary(data)
        self.ResponseHeader = ResponseHeader.from_binary(data)
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(StatusCode.from_binary(data))
        self.ConfigurationResults = array
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(DiagnosticInfo.from_binary(data))
        self.DiagnosticInfos = array

    def __str__(self):
        return 'RegisterServer2Response(' + 'TypeId:' + str(self.TypeId) + ', ' + \
               'ResponseHeader:' + str(self.ResponseHeader) + ', ' + \
               'ConfigurationResults:' + str(self.ConfigurationResults) + ', ' + \
               'DiagnosticInfos:' + str(self.DiagnosticInfos) + ')'

    __repr__ = __str__


class ChannelSecurityToken(FrozenClass):
    '''
    The token that identifies a set of keys for an active secure channel.

    :ivar ChannelId:
    :vartype ChannelId: UInt32
    :ivar TokenId:
    :vartype TokenId: UInt32
    :ivar CreatedAt:
    :vartype CreatedAt: DateTime
    :ivar RevisedLifetime:
    :vartype RevisedLifetime: UInt32
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.ChannelId = 0
        self.TokenId = 0
        self.CreatedAt = datetime.now()
        self.RevisedLifetime = 0
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(uatype_UInt32.pack(self.ChannelId))
        packet.append(uatype_UInt32.pack(self.TokenId))
        packet.append(pack_datetime(self.CreatedAt))
        packet.append(uatype_UInt32.pack(self.RevisedLifetime))
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return ChannelSecurityToken(data)

    def _binary_init(self, data):
        self.ChannelId = uatype_UInt32.unpack(data.read(4))[0]
        self.TokenId = uatype_UInt32.unpack(data.read(4))[0]
        self.CreatedAt = unpack_datetime(data)
        self.RevisedLifetime = uatype_UInt32.unpack(data.read(4))[0]

    def __str__(self):
        return 'ChannelSecurityToken(' + 'ChannelId:' + str(self.ChannelId) + ', ' + \
               'TokenId:' + str(self.TokenId) + ', ' + \
               'CreatedAt:' + str(self.CreatedAt) + ', ' + \
               'RevisedLifetime:' + str(self.RevisedLifetime) + ')'

    __repr__ = __str__


class OpenSecureChannelParameters(FrozenClass):
    '''
    :ivar ClientProtocolVersion:
    :vartype ClientProtocolVersion: UInt32
    :ivar RequestType:
    :vartype RequestType: SecurityTokenRequestType
    :ivar SecurityMode:
    :vartype SecurityMode: MessageSecurityMode
    :ivar ClientNonce:
    :vartype ClientNonce: ByteString
    :ivar RequestedLifetime:
    :vartype RequestedLifetime: UInt32
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.ClientProtocolVersion = 0
        self.RequestType = SecurityTokenRequestType(0)
        self.SecurityMode = MessageSecurityMode(0)
        self.ClientNonce = b''
        self.RequestedLifetime = 0
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(uatype_UInt32.pack(self.ClientProtocolVersion))
        packet.append(uatype_UInt32.pack(self.RequestType.value))
        packet.append(uatype_UInt32.pack(self.SecurityMode.value))
        packet.append(pack_bytes(self.ClientNonce))
        packet.append(uatype_UInt32.pack(self.RequestedLifetime))
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return OpenSecureChannelParameters(data)

    def _binary_init(self, data):
        self.ClientProtocolVersion = uatype_UInt32.unpack(data.read(4))[0]
        self.RequestType = SecurityTokenRequestType(uatype_UInt32.unpack(data.read(4))[0])
        self.SecurityMode = MessageSecurityMode(uatype_UInt32.unpack(data.read(4))[0])
        self.ClientNonce = unpack_bytes(data)
        self.RequestedLifetime = uatype_UInt32.unpack(data.read(4))[0]

    def __str__(self):
        return 'OpenSecureChannelParameters(' + 'ClientProtocolVersion:' + str(self.ClientProtocolVersion) + ', ' + \
               'RequestType:' + str(self.RequestType) + ', ' + \
               'SecurityMode:' + str(self.SecurityMode) + ', ' + \
               'ClientNonce:' + str(self.ClientNonce) + ', ' + \
               'RequestedLifetime:' + str(self.RequestedLifetime) + ')'

    __repr__ = __str__


class OpenSecureChannelRequest(FrozenClass):
    '''
    Creates a secure channel with a server.

    :ivar TypeId:
    :vartype TypeId: NodeId
    :ivar RequestHeader:
    :vartype RequestHeader: RequestHeader
    :ivar Parameters:
    :vartype Parameters: OpenSecureChannelParameters
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.TypeId = FourByteNodeId(ObjectIds.OpenSecureChannelRequest_Encoding_DefaultBinary)
        self.RequestHeader = RequestHeader()
        self.Parameters = OpenSecureChannelParameters()
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.TypeId.to_binary())
        packet.append(self.RequestHeader.to_binary())
        packet.append(self.Parameters.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return OpenSecureChannelRequest(data)

    def _binary_init(self, data):
        self.TypeId = NodeId.from_binary(data)
        self.RequestHeader = RequestHeader.from_binary(data)
        self.Parameters = OpenSecureChannelParameters.from_binary(data)

    def __str__(self):
        return 'OpenSecureChannelRequest(' + 'TypeId:' + str(self.TypeId) + ', ' + \
               'RequestHeader:' + str(self.RequestHeader) + ', ' + \
               'Parameters:' + str(self.Parameters) + ')'

    __repr__ = __str__


class OpenSecureChannelResult(FrozenClass):
    '''
    :ivar ServerProtocolVersion:
    :vartype ServerProtocolVersion: UInt32
    :ivar SecurityToken:
    :vartype SecurityToken: ChannelSecurityToken
    :ivar ServerNonce:
    :vartype ServerNonce: ByteString
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.ServerProtocolVersion = 0
        self.SecurityToken = ChannelSecurityToken()
        self.ServerNonce = b''
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(uatype_UInt32.pack(self.ServerProtocolVersion))
        packet.append(self.SecurityToken.to_binary())
        packet.append(pack_bytes(self.ServerNonce))
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return OpenSecureChannelResult(data)

    def _binary_init(self, data):
        self.ServerProtocolVersion = uatype_UInt32.unpack(data.read(4))[0]
        self.SecurityToken = ChannelSecurityToken.from_binary(data)
        self.ServerNonce = unpack_bytes(data)

    def __str__(self):
        return 'OpenSecureChannelResult(' + 'ServerProtocolVersion:' + str(self.ServerProtocolVersion) + ', ' + \
               'SecurityToken:' + str(self.SecurityToken) + ', ' + \
               'ServerNonce:' + str(self.ServerNonce) + ')'

    __repr__ = __str__


class OpenSecureChannelResponse(FrozenClass):
    '''
    Creates a secure channel with a server.

    :ivar TypeId:
    :vartype TypeId: NodeId
    :ivar ResponseHeader:
    :vartype ResponseHeader: ResponseHeader
    :ivar Parameters:
    :vartype Parameters: OpenSecureChannelResult
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.TypeId = FourByteNodeId(ObjectIds.OpenSecureChannelResponse_Encoding_DefaultBinary)
        self.ResponseHeader = ResponseHeader()
        self.Parameters = OpenSecureChannelResult()
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.TypeId.to_binary())
        packet.append(self.ResponseHeader.to_binary())
        packet.append(self.Parameters.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return OpenSecureChannelResponse(data)

    def _binary_init(self, data):
        self.TypeId = NodeId.from_binary(data)
        self.ResponseHeader = ResponseHeader.from_binary(data)
        self.Parameters = OpenSecureChannelResult.from_binary(data)

    def __str__(self):
        return 'OpenSecureChannelResponse(' + 'TypeId:' + str(self.TypeId) + ', ' + \
               'ResponseHeader:' + str(self.ResponseHeader) + ', ' + \
               'Parameters:' + str(self.Parameters) + ')'

    __repr__ = __str__


class CloseSecureChannelRequest(FrozenClass):
    '''
    Closes a secure channel.

    :ivar TypeId:
    :vartype TypeId: NodeId
    :ivar RequestHeader:
    :vartype RequestHeader: RequestHeader
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.TypeId = FourByteNodeId(ObjectIds.CloseSecureChannelRequest_Encoding_DefaultBinary)
        self.RequestHeader = RequestHeader()
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.TypeId.to_binary())
        packet.append(self.RequestHeader.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return CloseSecureChannelRequest(data)

    def _binary_init(self, data):
        self.TypeId = NodeId.from_binary(data)
        self.RequestHeader = RequestHeader.from_binary(data)

    def __str__(self):
        return 'CloseSecureChannelRequest(' + 'TypeId:' + str(self.TypeId) + ', ' + \
               'RequestHeader:' + str(self.RequestHeader) + ')'

    __repr__ = __str__


class CloseSecureChannelResponse(FrozenClass):
    '''
    Closes a secure channel.

    :ivar TypeId:
    :vartype TypeId: NodeId
    :ivar ResponseHeader:
    :vartype ResponseHeader: ResponseHeader
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.TypeId = FourByteNodeId(ObjectIds.CloseSecureChannelResponse_Encoding_DefaultBinary)
        self.ResponseHeader = ResponseHeader()
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.TypeId.to_binary())
        packet.append(self.ResponseHeader.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return CloseSecureChannelResponse(data)

    def _binary_init(self, data):
        self.TypeId = NodeId.from_binary(data)
        self.ResponseHeader = ResponseHeader.from_binary(data)

    def __str__(self):
        return 'CloseSecureChannelResponse(' + 'TypeId:' + str(self.TypeId) + ', ' + \
               'ResponseHeader:' + str(self.ResponseHeader) + ')'

    __repr__ = __str__


class SignedSoftwareCertificate(FrozenClass):
    '''
    A software certificate with a digital signature.

    :ivar CertificateData:
    :vartype CertificateData: ByteString
    :ivar Signature:
    :vartype Signature: ByteString
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.CertificateData = b''
        self.Signature = b''
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(pack_bytes(self.CertificateData))
        packet.append(pack_bytes(self.Signature))
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return SignedSoftwareCertificate(data)

    def _binary_init(self, data):
        self.CertificateData = unpack_bytes(data)
        self.Signature = unpack_bytes(data)

    def __str__(self):
        return 'SignedSoftwareCertificate(' + 'CertificateData:' + str(self.CertificateData) + ', ' + \
               'Signature:' + str(self.Signature) + ')'

    __repr__ = __str__


class SignatureData(FrozenClass):
    '''
    A digital signature.

    :ivar Algorithm:
    :vartype Algorithm: String
    :ivar Signature:
    :vartype Signature: ByteString
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.Algorithm = ''
        self.Signature = b''
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(pack_string(self.Algorithm))
        packet.append(pack_bytes(self.Signature))
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return SignatureData(data)

    def _binary_init(self, data):
        self.Algorithm = unpack_string(data)
        self.Signature = unpack_bytes(data)

    def __str__(self):
        return 'SignatureData(' + 'Algorithm:' + str(self.Algorithm) + ', ' + \
               'Signature:' + str(self.Signature) + ')'

    __repr__ = __str__


class CreateSessionParameters(FrozenClass):
    '''
    :ivar ClientDescription:
    :vartype ClientDescription: ApplicationDescription
    :ivar ServerUri:
    :vartype ServerUri: String
    :ivar EndpointUrl:
    :vartype EndpointUrl: String
    :ivar SessionName:
    :vartype SessionName: String
    :ivar ClientNonce:
    :vartype ClientNonce: ByteString
    :ivar ClientCertificate:
    :vartype ClientCertificate: ByteString
    :ivar RequestedSessionTimeout:
    :vartype RequestedSessionTimeout: Double
    :ivar MaxResponseMessageSize:
    :vartype MaxResponseMessageSize: UInt32
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.ClientDescription = ApplicationDescription()
        self.ServerUri = ''
        self.EndpointUrl = ''
        self.SessionName = ''
        self.ClientNonce = b''
        self.ClientCertificate = b''
        self.RequestedSessionTimeout = 0
        self.MaxResponseMessageSize = 0
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.ClientDescription.to_binary())
        packet.append(pack_string(self.ServerUri))
        packet.append(pack_string(self.EndpointUrl))
        packet.append(pack_string(self.SessionName))
        packet.append(pack_bytes(self.ClientNonce))
        packet.append(pack_bytes(self.ClientCertificate))
        packet.append(uatype_Double.pack(self.RequestedSessionTimeout))
        packet.append(uatype_UInt32.pack(self.MaxResponseMessageSize))
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return CreateSessionParameters(data)

    def _binary_init(self, data):
        self.ClientDescription = ApplicationDescription.from_binary(data)
        self.ServerUri = unpack_string(data)
        self.EndpointUrl = unpack_string(data)
        self.SessionName = unpack_string(data)
        self.ClientNonce = unpack_bytes(data)
        self.ClientCertificate = unpack_bytes(data)
        self.RequestedSessionTimeout = uatype_Double.unpack(data.read(8))[0]
        self.MaxResponseMessageSize = uatype_UInt32.unpack(data.read(4))[0]

    def __str__(self):
        return 'CreateSessionParameters(' + 'ClientDescription:' + str(self.ClientDescription) + ', ' + \
               'ServerUri:' + str(self.ServerUri) + ', ' + \
               'EndpointUrl:' + str(self.EndpointUrl) + ', ' + \
               'SessionName:' + str(self.SessionName) + ', ' + \
               'ClientNonce:' + str(self.ClientNonce) + ', ' + \
               'ClientCertificate:' + str(self.ClientCertificate) + ', ' + \
               'RequestedSessionTimeout:' + str(self.RequestedSessionTimeout) + ', ' + \
               'MaxResponseMessageSize:' + str(self.MaxResponseMessageSize) + ')'

    __repr__ = __str__


class CreateSessionRequest(FrozenClass):
    '''
    Creates a new session with the server.

    :ivar TypeId:
    :vartype TypeId: NodeId
    :ivar RequestHeader:
    :vartype RequestHeader: RequestHeader
    :ivar Parameters:
    :vartype Parameters: CreateSessionParameters
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.TypeId = FourByteNodeId(ObjectIds.CreateSessionRequest_Encoding_DefaultBinary)
        self.RequestHeader = RequestHeader()
        self.Parameters = CreateSessionParameters()
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.TypeId.to_binary())
        packet.append(self.RequestHeader.to_binary())
        packet.append(self.Parameters.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return CreateSessionRequest(data)

    def _binary_init(self, data):
        self.TypeId = NodeId.from_binary(data)
        self.RequestHeader = RequestHeader.from_binary(data)
        self.Parameters = CreateSessionParameters.from_binary(data)

    def __str__(self):
        return 'CreateSessionRequest(' + 'TypeId:' + str(self.TypeId) + ', ' + \
               'RequestHeader:' + str(self.RequestHeader) + ', ' + \
               'Parameters:' + str(self.Parameters) + ')'

    __repr__ = __str__


class CreateSessionResult(FrozenClass):
    '''
    :ivar SessionId:
    :vartype SessionId: NodeId
    :ivar AuthenticationToken:
    :vartype AuthenticationToken: NodeId
    :ivar RevisedSessionTimeout:
    :vartype RevisedSessionTimeout: Double
    :ivar ServerNonce:
    :vartype ServerNonce: ByteString
    :ivar ServerCertificate:
    :vartype ServerCertificate: ByteString
    :ivar ServerEndpoints:
    :vartype ServerEndpoints: EndpointDescription
    :ivar ServerSoftwareCertificates:
    :vartype ServerSoftwareCertificates: SignedSoftwareCertificate
    :ivar ServerSignature:
    :vartype ServerSignature: SignatureData
    :ivar MaxRequestMessageSize:
    :vartype MaxRequestMessageSize: UInt32
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.SessionId = NodeId()
        self.AuthenticationToken = NodeId()
        self.RevisedSessionTimeout = 0
        self.ServerNonce = b''
        self.ServerCertificate = b''
        self.ServerEndpoints = []
        self.ServerSoftwareCertificates = []
        self.ServerSignature = SignatureData()
        self.MaxRequestMessageSize = 0
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.SessionId.to_binary())
        packet.append(self.AuthenticationToken.to_binary())
        packet.append(uatype_Double.pack(self.RevisedSessionTimeout))
        packet.append(pack_bytes(self.ServerNonce))
        packet.append(pack_bytes(self.ServerCertificate))
        packet.append(uatype_Int32.pack(len(self.ServerEndpoints)))
        for fieldname in self.ServerEndpoints:
            packet.append(fieldname.to_binary())
        packet.append(uatype_Int32.pack(len(self.ServerSoftwareCertificates)))
        for fieldname in self.ServerSoftwareCertificates:
            packet.append(fieldname.to_binary())
        packet.append(self.ServerSignature.to_binary())
        packet.append(uatype_UInt32.pack(self.MaxRequestMessageSize))
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return CreateSessionResult(data)

    def _binary_init(self, data):
        self.SessionId = NodeId.from_binary(data)
        self.AuthenticationToken = NodeId.from_binary(data)
        self.RevisedSessionTimeout = uatype_Double.unpack(data.read(8))[0]
        self.ServerNonce = unpack_bytes(data)
        self.ServerCertificate = unpack_bytes(data)
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(EndpointDescription.from_binary(data))
        self.ServerEndpoints = array
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(SignedSoftwareCertificate.from_binary(data))
        self.ServerSoftwareCertificates = array
        self.ServerSignature = SignatureData.from_binary(data)
        self.MaxRequestMessageSize = uatype_UInt32.unpack(data.read(4))[0]

    def __str__(self):
        return 'CreateSessionResult(' + 'SessionId:' + str(self.SessionId) + ', ' + \
               'AuthenticationToken:' + str(self.AuthenticationToken) + ', ' + \
               'RevisedSessionTimeout:' + str(self.RevisedSessionTimeout) + ', ' + \
               'ServerNonce:' + str(self.ServerNonce) + ', ' + \
               'ServerCertificate:' + str(self.ServerCertificate) + ', ' + \
               'ServerEndpoints:' + str(self.ServerEndpoints) + ', ' + \
               'ServerSoftwareCertificates:' + str(self.ServerSoftwareCertificates) + ', ' + \
               'ServerSignature:' + str(self.ServerSignature) + ', ' + \
               'MaxRequestMessageSize:' + str(self.MaxRequestMessageSize) + ')'

    __repr__ = __str__


class CreateSessionResponse(FrozenClass):
    '''
    Creates a new session with the server.

    :ivar TypeId:
    :vartype TypeId: NodeId
    :ivar ResponseHeader:
    :vartype ResponseHeader: ResponseHeader
    :ivar Parameters:
    :vartype Parameters: CreateSessionResult
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.TypeId = FourByteNodeId(ObjectIds.CreateSessionResponse_Encoding_DefaultBinary)
        self.ResponseHeader = ResponseHeader()
        self.Parameters = CreateSessionResult()
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.TypeId.to_binary())
        packet.append(self.ResponseHeader.to_binary())
        packet.append(self.Parameters.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return CreateSessionResponse(data)

    def _binary_init(self, data):
        self.TypeId = NodeId.from_binary(data)
        self.ResponseHeader = ResponseHeader.from_binary(data)
        self.Parameters = CreateSessionResult.from_binary(data)

    def __str__(self):
        return 'CreateSessionResponse(' + 'TypeId:' + str(self.TypeId) + ', ' + \
               'ResponseHeader:' + str(self.ResponseHeader) + ', ' + \
               'Parameters:' + str(self.Parameters) + ')'

    __repr__ = __str__


class UserIdentityToken(FrozenClass):
    '''
    A base type for a user identity token.

    :ivar PolicyId:
    :vartype PolicyId: String
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.PolicyId = ''
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(pack_string(self.PolicyId))
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return UserIdentityToken(data)

    def _binary_init(self, data):
        self.PolicyId = unpack_string(data)

    def __str__(self):
        return 'UserIdentityToken(' + 'PolicyId:' + str(self.PolicyId) + ')'

    __repr__ = __str__


class AnonymousIdentityToken(FrozenClass):
    '''
    A token representing an anonymous user.

    :ivar PolicyId:
    :vartype PolicyId: String
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.PolicyId = ''
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(pack_string(self.PolicyId))
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return AnonymousIdentityToken(data)

    def _binary_init(self, data):
        self.PolicyId = unpack_string(data)

    def __str__(self):
        return 'AnonymousIdentityToken(' + 'PolicyId:' + str(self.PolicyId) + ')'

    __repr__ = __str__


class UserNameIdentityToken(FrozenClass):
    '''
    A token representing a user identified by a user name and password.

    :ivar PolicyId:
    :vartype PolicyId: String
    :ivar UserName:
    :vartype UserName: String
    :ivar Password:
    :vartype Password: ByteString
    :ivar EncryptionAlgorithm:
    :vartype EncryptionAlgorithm: String
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.PolicyId = ''
        self.UserName = ''
        self.Password = b''
        self.EncryptionAlgorithm = ''
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(pack_string(self.PolicyId))
        packet.append(pack_string(self.UserName))
        packet.append(pack_bytes(self.Password))
        packet.append(pack_string(self.EncryptionAlgorithm))
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return UserNameIdentityToken(data)

    def _binary_init(self, data):
        self.PolicyId = unpack_string(data)
        self.UserName = unpack_string(data)
        self.Password = unpack_bytes(data)
        self.EncryptionAlgorithm = unpack_string(data)

    def __str__(self):
        return 'UserNameIdentityToken(' + 'PolicyId:' + str(self.PolicyId) + ', ' + \
               'UserName:' + str(self.UserName) + ', ' + \
               'Password:' + str(self.Password) + ', ' + \
               'EncryptionAlgorithm:' + str(self.EncryptionAlgorithm) + ')'

    __repr__ = __str__


class X509IdentityToken(FrozenClass):
    '''
    A token representing a user identified by an X509 certificate.

    :ivar PolicyId:
    :vartype PolicyId: String
    :ivar CertificateData:
    :vartype CertificateData: ByteString
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.PolicyId = ''
        self.CertificateData = b''
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(pack_string(self.PolicyId))
        packet.append(pack_bytes(self.CertificateData))
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return X509IdentityToken(data)

    def _binary_init(self, data):
        self.PolicyId = unpack_string(data)
        self.CertificateData = unpack_bytes(data)

    def __str__(self):
        return 'X509IdentityToken(' + 'PolicyId:' + str(self.PolicyId) + ', ' + \
               'CertificateData:' + str(self.CertificateData) + ')'

    __repr__ = __str__


class KerberosIdentityToken(FrozenClass):
    '''
    :ivar PolicyId:
    :vartype PolicyId: String
    :ivar TicketData:
    :vartype TicketData: ByteString
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.PolicyId = ''
        self.TicketData = b''
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(pack_string(self.PolicyId))
        packet.append(pack_bytes(self.TicketData))
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return KerberosIdentityToken(data)

    def _binary_init(self, data):
        self.PolicyId = unpack_string(data)
        self.TicketData = unpack_bytes(data)

    def __str__(self):
        return 'KerberosIdentityToken(' + 'PolicyId:' + str(self.PolicyId) + ', ' + \
               'TicketData:' + str(self.TicketData) + ')'

    __repr__ = __str__


class IssuedIdentityToken(FrozenClass):
    '''
    A token representing a user identified by a WS-Security XML token.

    :ivar PolicyId:
    :vartype PolicyId: String
    :ivar TokenData:
    :vartype TokenData: ByteString
    :ivar EncryptionAlgorithm:
    :vartype EncryptionAlgorithm: String
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.PolicyId = ''
        self.TokenData = b''
        self.EncryptionAlgorithm = ''
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(pack_string(self.PolicyId))
        packet.append(pack_bytes(self.TokenData))
        packet.append(pack_string(self.EncryptionAlgorithm))
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return IssuedIdentityToken(data)

    def _binary_init(self, data):
        self.PolicyId = unpack_string(data)
        self.TokenData = unpack_bytes(data)
        self.EncryptionAlgorithm = unpack_string(data)

    def __str__(self):
        return 'IssuedIdentityToken(' + 'PolicyId:' + str(self.PolicyId) + ', ' + \
               'TokenData:' + str(self.TokenData) + ', ' + \
               'EncryptionAlgorithm:' + str(self.EncryptionAlgorithm) + ')'

    __repr__ = __str__


class ActivateSessionParameters(FrozenClass):
    '''
    :ivar ClientSignature:
    :vartype ClientSignature: SignatureData
    :ivar ClientSoftwareCertificates:
    :vartype ClientSoftwareCertificates: SignedSoftwareCertificate
    :ivar LocaleIds:
    :vartype LocaleIds: String
    :ivar UserIdentityToken:
    :vartype UserIdentityToken: ExtensionObject
    :ivar UserTokenSignature:
    :vartype UserTokenSignature: SignatureData
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.ClientSignature = SignatureData()
        self.ClientSoftwareCertificates = []
        self.LocaleIds = []
        self.UserIdentityToken = None
        self.UserTokenSignature = SignatureData()
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.ClientSignature.to_binary())
        packet.append(uatype_Int32.pack(len(self.ClientSoftwareCertificates)))
        for fieldname in self.ClientSoftwareCertificates:
            packet.append(fieldname.to_binary())
        packet.append(uatype_Int32.pack(len(self.LocaleIds)))
        for fieldname in self.LocaleIds:
            packet.append(pack_string(fieldname))
        packet.append(extensionobject_to_binary(self.UserIdentityToken))
        packet.append(self.UserTokenSignature.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return ActivateSessionParameters(data)

    def _binary_init(self, data):
        self.ClientSignature = SignatureData.from_binary(data)
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(SignedSoftwareCertificate.from_binary(data))
        self.ClientSoftwareCertificates = array
        self.LocaleIds = unpack_uatype_array('String', data)
        self.UserIdentityToken = extensionobject_from_binary(data)
        self.UserTokenSignature = SignatureData.from_binary(data)

    def __str__(self):
        return 'ActivateSessionParameters(' + 'ClientSignature:' + str(self.ClientSignature) + ', ' + \
               'ClientSoftwareCertificates:' + str(self.ClientSoftwareCertificates) + ', ' + \
               'LocaleIds:' + str(self.LocaleIds) + ', ' + \
               'UserIdentityToken:' + str(self.UserIdentityToken) + ', ' + \
               'UserTokenSignature:' + str(self.UserTokenSignature) + ')'

    __repr__ = __str__


class ActivateSessionRequest(FrozenClass):
    '''
    Activates a session with the server.

    :ivar TypeId:
    :vartype TypeId: NodeId
    :ivar RequestHeader:
    :vartype RequestHeader: RequestHeader
    :ivar Parameters:
    :vartype Parameters: ActivateSessionParameters
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.TypeId = FourByteNodeId(ObjectIds.ActivateSessionRequest_Encoding_DefaultBinary)
        self.RequestHeader = RequestHeader()
        self.Parameters = ActivateSessionParameters()
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.TypeId.to_binary())
        packet.append(self.RequestHeader.to_binary())
        packet.append(self.Parameters.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return ActivateSessionRequest(data)

    def _binary_init(self, data):
        self.TypeId = NodeId.from_binary(data)
        self.RequestHeader = RequestHeader.from_binary(data)
        self.Parameters = ActivateSessionParameters.from_binary(data)

    def __str__(self):
        return 'ActivateSessionRequest(' + 'TypeId:' + str(self.TypeId) + ', ' + \
               'RequestHeader:' + str(self.RequestHeader) + ', ' + \
               'Parameters:' + str(self.Parameters) + ')'

    __repr__ = __str__


class ActivateSessionResult(FrozenClass):
    '''
    :ivar ServerNonce:
    :vartype ServerNonce: ByteString
    :ivar Results:
    :vartype Results: StatusCode
    :ivar DiagnosticInfos:
    :vartype DiagnosticInfos: DiagnosticInfo
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.ServerNonce = b''
        self.Results = []
        self.DiagnosticInfos = []
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(pack_bytes(self.ServerNonce))
        packet.append(uatype_Int32.pack(len(self.Results)))
        for fieldname in self.Results:
            packet.append(fieldname.to_binary())
        packet.append(uatype_Int32.pack(len(self.DiagnosticInfos)))
        for fieldname in self.DiagnosticInfos:
            packet.append(fieldname.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return ActivateSessionResult(data)

    def _binary_init(self, data):
        self.ServerNonce = unpack_bytes(data)
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(StatusCode.from_binary(data))
        self.Results = array
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(DiagnosticInfo.from_binary(data))
        self.DiagnosticInfos = array

    def __str__(self):
        return 'ActivateSessionResult(' + 'ServerNonce:' + str(self.ServerNonce) + ', ' + \
               'Results:' + str(self.Results) + ', ' + \
               'DiagnosticInfos:' + str(self.DiagnosticInfos) + ')'

    __repr__ = __str__


class ActivateSessionResponse(FrozenClass):
    '''
    Activates a session with the server.

    :ivar TypeId:
    :vartype TypeId: NodeId
    :ivar ResponseHeader:
    :vartype ResponseHeader: ResponseHeader
    :ivar Parameters:
    :vartype Parameters: ActivateSessionResult
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.TypeId = FourByteNodeId(ObjectIds.ActivateSessionResponse_Encoding_DefaultBinary)
        self.ResponseHeader = ResponseHeader()
        self.Parameters = ActivateSessionResult()
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.TypeId.to_binary())
        packet.append(self.ResponseHeader.to_binary())
        packet.append(self.Parameters.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return ActivateSessionResponse(data)

    def _binary_init(self, data):
        self.TypeId = NodeId.from_binary(data)
        self.ResponseHeader = ResponseHeader.from_binary(data)
        self.Parameters = ActivateSessionResult.from_binary(data)

    def __str__(self):
        return 'ActivateSessionResponse(' + 'TypeId:' + str(self.TypeId) + ', ' + \
               'ResponseHeader:' + str(self.ResponseHeader) + ', ' + \
               'Parameters:' + str(self.Parameters) + ')'

    __repr__ = __str__


class CloseSessionRequest(FrozenClass):
    '''
    Closes a session with the server.

    :ivar TypeId:
    :vartype TypeId: NodeId
    :ivar RequestHeader:
    :vartype RequestHeader: RequestHeader
    :ivar DeleteSubscriptions:
    :vartype DeleteSubscriptions: Boolean
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.TypeId = FourByteNodeId(ObjectIds.CloseSessionRequest_Encoding_DefaultBinary)
        self.RequestHeader = RequestHeader()
        self.DeleteSubscriptions = True
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.TypeId.to_binary())
        packet.append(self.RequestHeader.to_binary())
        packet.append(uatype_Boolean.pack(self.DeleteSubscriptions))
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return CloseSessionRequest(data)

    def _binary_init(self, data):
        self.TypeId = NodeId.from_binary(data)
        self.RequestHeader = RequestHeader.from_binary(data)
        self.DeleteSubscriptions = uatype_Boolean.unpack(data.read(1))[0]

    def __str__(self):
        return 'CloseSessionRequest(' + 'TypeId:' + str(self.TypeId) + ', ' + \
               'RequestHeader:' + str(self.RequestHeader) + ', ' + \
               'DeleteSubscriptions:' + str(self.DeleteSubscriptions) + ')'

    __repr__ = __str__


class CloseSessionResponse(FrozenClass):
    '''
    Closes a session with the server.

    :ivar TypeId:
    :vartype TypeId: NodeId
    :ivar ResponseHeader:
    :vartype ResponseHeader: ResponseHeader
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.TypeId = FourByteNodeId(ObjectIds.CloseSessionResponse_Encoding_DefaultBinary)
        self.ResponseHeader = ResponseHeader()
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.TypeId.to_binary())
        packet.append(self.ResponseHeader.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return CloseSessionResponse(data)

    def _binary_init(self, data):
        self.TypeId = NodeId.from_binary(data)
        self.ResponseHeader = ResponseHeader.from_binary(data)

    def __str__(self):
        return 'CloseSessionResponse(' + 'TypeId:' + str(self.TypeId) + ', ' + \
               'ResponseHeader:' + str(self.ResponseHeader) + ')'

    __repr__ = __str__


class CancelParameters(FrozenClass):
    '''
    :ivar RequestHandle:
    :vartype RequestHandle: UInt32
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.RequestHandle = 0
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(uatype_UInt32.pack(self.RequestHandle))
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return CancelParameters(data)

    def _binary_init(self, data):
        self.RequestHandle = uatype_UInt32.unpack(data.read(4))[0]

    def __str__(self):
        return 'CancelParameters(' + 'RequestHandle:' + str(self.RequestHandle) + ')'

    __repr__ = __str__


class CancelRequest(FrozenClass):
    '''
    Cancels an outstanding request.

    :ivar TypeId:
    :vartype TypeId: NodeId
    :ivar RequestHeader:
    :vartype RequestHeader: RequestHeader
    :ivar Parameters:
    :vartype Parameters: CancelParameters
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.TypeId = FourByteNodeId(ObjectIds.CancelRequest_Encoding_DefaultBinary)
        self.RequestHeader = RequestHeader()
        self.Parameters = CancelParameters()
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.TypeId.to_binary())
        packet.append(self.RequestHeader.to_binary())
        packet.append(self.Parameters.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return CancelRequest(data)

    def _binary_init(self, data):
        self.TypeId = NodeId.from_binary(data)
        self.RequestHeader = RequestHeader.from_binary(data)
        self.Parameters = CancelParameters.from_binary(data)

    def __str__(self):
        return 'CancelRequest(' + 'TypeId:' + str(self.TypeId) + ', ' + \
               'RequestHeader:' + str(self.RequestHeader) + ', ' + \
               'Parameters:' + str(self.Parameters) + ')'

    __repr__ = __str__


class CancelResult(FrozenClass):
    '''
    :ivar CancelCount:
    :vartype CancelCount: UInt32
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.CancelCount = 0
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(uatype_UInt32.pack(self.CancelCount))
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return CancelResult(data)

    def _binary_init(self, data):
        self.CancelCount = uatype_UInt32.unpack(data.read(4))[0]

    def __str__(self):
        return 'CancelResult(' + 'CancelCount:' + str(self.CancelCount) + ')'

    __repr__ = __str__


class CancelResponse(FrozenClass):
    '''
    Cancels an outstanding request.

    :ivar TypeId:
    :vartype TypeId: NodeId
    :ivar ResponseHeader:
    :vartype ResponseHeader: ResponseHeader
    :ivar Parameters:
    :vartype Parameters: CancelResult
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.TypeId = FourByteNodeId(ObjectIds.CancelResponse_Encoding_DefaultBinary)
        self.ResponseHeader = ResponseHeader()
        self.Parameters = CancelResult()
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.TypeId.to_binary())
        packet.append(self.ResponseHeader.to_binary())
        packet.append(self.Parameters.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return CancelResponse(data)

    def _binary_init(self, data):
        self.TypeId = NodeId.from_binary(data)
        self.ResponseHeader = ResponseHeader.from_binary(data)
        self.Parameters = CancelResult.from_binary(data)

    def __str__(self):
        return 'CancelResponse(' + 'TypeId:' + str(self.TypeId) + ', ' + \
               'ResponseHeader:' + str(self.ResponseHeader) + ', ' + \
               'Parameters:' + str(self.Parameters) + ')'

    __repr__ = __str__


class NodeAttributes(FrozenClass):
    '''
    The base attributes for all nodes.

    :ivar SpecifiedAttributes:
    :vartype SpecifiedAttributes: UInt32
    :ivar DisplayName:
    :vartype DisplayName: LocalizedText
    :ivar Description:
    :vartype Description: LocalizedText
    :ivar WriteMask:
    :vartype WriteMask: UInt32
    :ivar UserWriteMask:
    :vartype UserWriteMask: UInt32
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.SpecifiedAttributes = 0
        self.DisplayName = LocalizedText()
        self.Description = LocalizedText()
        self.WriteMask = 0
        self.UserWriteMask = 0
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(uatype_UInt32.pack(self.SpecifiedAttributes))
        packet.append(self.DisplayName.to_binary())
        packet.append(self.Description.to_binary())
        packet.append(uatype_UInt32.pack(self.WriteMask))
        packet.append(uatype_UInt32.pack(self.UserWriteMask))
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return NodeAttributes(data)

    def _binary_init(self, data):
        self.SpecifiedAttributes = uatype_UInt32.unpack(data.read(4))[0]
        self.DisplayName = LocalizedText.from_binary(data)
        self.Description = LocalizedText.from_binary(data)
        self.WriteMask = uatype_UInt32.unpack(data.read(4))[0]
        self.UserWriteMask = uatype_UInt32.unpack(data.read(4))[0]

    def __str__(self):
        return 'NodeAttributes(' + 'SpecifiedAttributes:' + str(self.SpecifiedAttributes) + ', ' + \
               'DisplayName:' + str(self.DisplayName) + ', ' + \
               'Description:' + str(self.Description) + ', ' + \
               'WriteMask:' + str(self.WriteMask) + ', ' + \
               'UserWriteMask:' + str(self.UserWriteMask) + ')'

    __repr__ = __str__


class ObjectAttributes(FrozenClass):
    '''
    The attributes for an object node.

    :ivar SpecifiedAttributes:
    :vartype SpecifiedAttributes: UInt32
    :ivar DisplayName:
    :vartype DisplayName: LocalizedText
    :ivar Description:
    :vartype Description: LocalizedText
    :ivar WriteMask:
    :vartype WriteMask: UInt32
    :ivar UserWriteMask:
    :vartype UserWriteMask: UInt32
    :ivar EventNotifier:
    :vartype EventNotifier: Byte
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.SpecifiedAttributes = 0
        self.DisplayName = LocalizedText()
        self.Description = LocalizedText()
        self.WriteMask = 0
        self.UserWriteMask = 0
        self.EventNotifier = 0
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(uatype_UInt32.pack(self.SpecifiedAttributes))
        packet.append(self.DisplayName.to_binary())
        packet.append(self.Description.to_binary())
        packet.append(uatype_UInt32.pack(self.WriteMask))
        packet.append(uatype_UInt32.pack(self.UserWriteMask))
        packet.append(uatype_Byte.pack(self.EventNotifier))
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return ObjectAttributes(data)

    def _binary_init(self, data):
        self.SpecifiedAttributes = uatype_UInt32.unpack(data.read(4))[0]
        self.DisplayName = LocalizedText.from_binary(data)
        self.Description = LocalizedText.from_binary(data)
        self.WriteMask = uatype_UInt32.unpack(data.read(4))[0]
        self.UserWriteMask = uatype_UInt32.unpack(data.read(4))[0]
        self.EventNotifier = uatype_Byte.unpack(data.read(1))[0]

    def __str__(self):
        return 'ObjectAttributes(' + 'SpecifiedAttributes:' + str(self.SpecifiedAttributes) + ', ' + \
               'DisplayName:' + str(self.DisplayName) + ', ' + \
               'Description:' + str(self.Description) + ', ' + \
               'WriteMask:' + str(self.WriteMask) + ', ' + \
               'UserWriteMask:' + str(self.UserWriteMask) + ', ' + \
               'EventNotifier:' + str(self.EventNotifier) + ')'

    __repr__ = __str__


class VariableAttributes(FrozenClass):
    '''
    The attributes for a variable node.

    :ivar SpecifiedAttributes:
    :vartype SpecifiedAttributes: UInt32
    :ivar DisplayName:
    :vartype DisplayName: LocalizedText
    :ivar Description:
    :vartype Description: LocalizedText
    :ivar WriteMask:
    :vartype WriteMask: UInt32
    :ivar UserWriteMask:
    :vartype UserWriteMask: UInt32
    :ivar Value:
    :vartype Value: Variant
    :ivar DataType:
    :vartype DataType: NodeId
    :ivar ValueRank:
    :vartype ValueRank: Int32
    :ivar ArrayDimensions:
    :vartype ArrayDimensions: UInt32
    :ivar AccessLevel:
    :vartype AccessLevel: Byte
    :ivar UserAccessLevel:
    :vartype UserAccessLevel: Byte
    :ivar MinimumSamplingInterval:
    :vartype MinimumSamplingInterval: Double
    :ivar Historizing:
    :vartype Historizing: Boolean
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.SpecifiedAttributes = 0
        self.DisplayName = LocalizedText()
        self.Description = LocalizedText()
        self.WriteMask = 0
        self.UserWriteMask = 0
        self.Value = Variant()
        self.DataType = NodeId()
        self.ValueRank = 0
        self.ArrayDimensions = []
        self.AccessLevel = 0
        self.UserAccessLevel = 0
        self.MinimumSamplingInterval = 0
        self.Historizing = True
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(uatype_UInt32.pack(self.SpecifiedAttributes))
        packet.append(self.DisplayName.to_binary())
        packet.append(self.Description.to_binary())
        packet.append(uatype_UInt32.pack(self.WriteMask))
        packet.append(uatype_UInt32.pack(self.UserWriteMask))
        packet.append(self.Value.to_binary())
        packet.append(self.DataType.to_binary())
        packet.append(uatype_Int32.pack(self.ValueRank))
        packet.append(uatype_Int32.pack(len(self.ArrayDimensions)))
        for fieldname in self.ArrayDimensions:
            packet.append(uatype_UInt32.pack(fieldname))
        packet.append(uatype_Byte.pack(self.AccessLevel))
        packet.append(uatype_Byte.pack(self.UserAccessLevel))
        packet.append(uatype_Double.pack(self.MinimumSamplingInterval))
        packet.append(uatype_Boolean.pack(self.Historizing))
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return VariableAttributes(data)

    def _binary_init(self, data):
        self.SpecifiedAttributes = uatype_UInt32.unpack(data.read(4))[0]
        self.DisplayName = LocalizedText.from_binary(data)
        self.Description = LocalizedText.from_binary(data)
        self.WriteMask = uatype_UInt32.unpack(data.read(4))[0]
        self.UserWriteMask = uatype_UInt32.unpack(data.read(4))[0]
        self.Value = Variant.from_binary(data)
        self.DataType = NodeId.from_binary(data)
        self.ValueRank = uatype_Int32.unpack(data.read(4))[0]
        self.ArrayDimensions = unpack_uatype_array('UInt32', data)
        self.AccessLevel = uatype_Byte.unpack(data.read(1))[0]
        self.UserAccessLevel = uatype_Byte.unpack(data.read(1))[0]
        self.MinimumSamplingInterval = uatype_Double.unpack(data.read(8))[0]
        self.Historizing = uatype_Boolean.unpack(data.read(1))[0]

    def __str__(self):
        return 'VariableAttributes(' + 'SpecifiedAttributes:' + str(self.SpecifiedAttributes) + ', ' + \
               'DisplayName:' + str(self.DisplayName) + ', ' + \
               'Description:' + str(self.Description) + ', ' + \
               'WriteMask:' + str(self.WriteMask) + ', ' + \
               'UserWriteMask:' + str(self.UserWriteMask) + ', ' + \
               'Value:' + str(self.Value) + ', ' + \
               'DataType:' + str(self.DataType) + ', ' + \
               'ValueRank:' + str(self.ValueRank) + ', ' + \
               'ArrayDimensions:' + str(self.ArrayDimensions) + ', ' + \
               'AccessLevel:' + str(self.AccessLevel) + ', ' + \
               'UserAccessLevel:' + str(self.UserAccessLevel) + ', ' + \
               'MinimumSamplingInterval:' + str(self.MinimumSamplingInterval) + ', ' + \
               'Historizing:' + str(self.Historizing) + ')'

    __repr__ = __str__


class MethodAttributes(FrozenClass):
    '''
    The attributes for a method node.

    :ivar SpecifiedAttributes:
    :vartype SpecifiedAttributes: UInt32
    :ivar DisplayName:
    :vartype DisplayName: LocalizedText
    :ivar Description:
    :vartype Description: LocalizedText
    :ivar WriteMask:
    :vartype WriteMask: UInt32
    :ivar UserWriteMask:
    :vartype UserWriteMask: UInt32
    :ivar Executable:
    :vartype Executable: Boolean
    :ivar UserExecutable:
    :vartype UserExecutable: Boolean
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.SpecifiedAttributes = 0
        self.DisplayName = LocalizedText()
        self.Description = LocalizedText()
        self.WriteMask = 0
        self.UserWriteMask = 0
        self.Executable = True
        self.UserExecutable = True
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(uatype_UInt32.pack(self.SpecifiedAttributes))
        packet.append(self.DisplayName.to_binary())
        packet.append(self.Description.to_binary())
        packet.append(uatype_UInt32.pack(self.WriteMask))
        packet.append(uatype_UInt32.pack(self.UserWriteMask))
        packet.append(uatype_Boolean.pack(self.Executable))
        packet.append(uatype_Boolean.pack(self.UserExecutable))
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return MethodAttributes(data)

    def _binary_init(self, data):
        self.SpecifiedAttributes = uatype_UInt32.unpack(data.read(4))[0]
        self.DisplayName = LocalizedText.from_binary(data)
        self.Description = LocalizedText.from_binary(data)
        self.WriteMask = uatype_UInt32.unpack(data.read(4))[0]
        self.UserWriteMask = uatype_UInt32.unpack(data.read(4))[0]
        self.Executable = uatype_Boolean.unpack(data.read(1))[0]
        self.UserExecutable = uatype_Boolean.unpack(data.read(1))[0]

    def __str__(self):
        return 'MethodAttributes(' + 'SpecifiedAttributes:' + str(self.SpecifiedAttributes) + ', ' + \
               'DisplayName:' + str(self.DisplayName) + ', ' + \
               'Description:' + str(self.Description) + ', ' + \
               'WriteMask:' + str(self.WriteMask) + ', ' + \
               'UserWriteMask:' + str(self.UserWriteMask) + ', ' + \
               'Executable:' + str(self.Executable) + ', ' + \
               'UserExecutable:' + str(self.UserExecutable) + ')'

    __repr__ = __str__


class ObjectTypeAttributes(FrozenClass):
    '''
    The attributes for an object type node.

    :ivar SpecifiedAttributes:
    :vartype SpecifiedAttributes: UInt32
    :ivar DisplayName:
    :vartype DisplayName: LocalizedText
    :ivar Description:
    :vartype Description: LocalizedText
    :ivar WriteMask:
    :vartype WriteMask: UInt32
    :ivar UserWriteMask:
    :vartype UserWriteMask: UInt32
    :ivar IsAbstract:
    :vartype IsAbstract: Boolean
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.SpecifiedAttributes = 0
        self.DisplayName = LocalizedText()
        self.Description = LocalizedText()
        self.WriteMask = 0
        self.UserWriteMask = 0
        self.IsAbstract = True
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(uatype_UInt32.pack(self.SpecifiedAttributes))
        packet.append(self.DisplayName.to_binary())
        packet.append(self.Description.to_binary())
        packet.append(uatype_UInt32.pack(self.WriteMask))
        packet.append(uatype_UInt32.pack(self.UserWriteMask))
        packet.append(uatype_Boolean.pack(self.IsAbstract))
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return ObjectTypeAttributes(data)

    def _binary_init(self, data):
        self.SpecifiedAttributes = uatype_UInt32.unpack(data.read(4))[0]
        self.DisplayName = LocalizedText.from_binary(data)
        self.Description = LocalizedText.from_binary(data)
        self.WriteMask = uatype_UInt32.unpack(data.read(4))[0]
        self.UserWriteMask = uatype_UInt32.unpack(data.read(4))[0]
        self.IsAbstract = uatype_Boolean.unpack(data.read(1))[0]

    def __str__(self):
        return 'ObjectTypeAttributes(' + 'SpecifiedAttributes:' + str(self.SpecifiedAttributes) + ', ' + \
               'DisplayName:' + str(self.DisplayName) + ', ' + \
               'Description:' + str(self.Description) + ', ' + \
               'WriteMask:' + str(self.WriteMask) + ', ' + \
               'UserWriteMask:' + str(self.UserWriteMask) + ', ' + \
               'IsAbstract:' + str(self.IsAbstract) + ')'

    __repr__ = __str__


class VariableTypeAttributes(FrozenClass):
    '''
    The attributes for a variable type node.

    :ivar SpecifiedAttributes:
    :vartype SpecifiedAttributes: UInt32
    :ivar DisplayName:
    :vartype DisplayName: LocalizedText
    :ivar Description:
    :vartype Description: LocalizedText
    :ivar WriteMask:
    :vartype WriteMask: UInt32
    :ivar UserWriteMask:
    :vartype UserWriteMask: UInt32
    :ivar Value:
    :vartype Value: Variant
    :ivar DataType:
    :vartype DataType: NodeId
    :ivar ValueRank:
    :vartype ValueRank: Int32
    :ivar ArrayDimensions:
    :vartype ArrayDimensions: UInt32
    :ivar IsAbstract:
    :vartype IsAbstract: Boolean
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.SpecifiedAttributes = 0
        self.DisplayName = LocalizedText()
        self.Description = LocalizedText()
        self.WriteMask = 0
        self.UserWriteMask = 0
        self.Value = Variant()
        self.DataType = NodeId()
        self.ValueRank = 0
        self.ArrayDimensions = []
        self.IsAbstract = True
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(uatype_UInt32.pack(self.SpecifiedAttributes))
        packet.append(self.DisplayName.to_binary())
        packet.append(self.Description.to_binary())
        packet.append(uatype_UInt32.pack(self.WriteMask))
        packet.append(uatype_UInt32.pack(self.UserWriteMask))
        packet.append(self.Value.to_binary())
        packet.append(self.DataType.to_binary())
        packet.append(uatype_Int32.pack(self.ValueRank))
        packet.append(uatype_Int32.pack(len(self.ArrayDimensions)))
        for fieldname in self.ArrayDimensions:
            packet.append(uatype_UInt32.pack(fieldname))
        packet.append(uatype_Boolean.pack(self.IsAbstract))
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return VariableTypeAttributes(data)

    def _binary_init(self, data):
        self.SpecifiedAttributes = uatype_UInt32.unpack(data.read(4))[0]
        self.DisplayName = LocalizedText.from_binary(data)
        self.Description = LocalizedText.from_binary(data)
        self.WriteMask = uatype_UInt32.unpack(data.read(4))[0]
        self.UserWriteMask = uatype_UInt32.unpack(data.read(4))[0]
        self.Value = Variant.from_binary(data)
        self.DataType = NodeId.from_binary(data)
        self.ValueRank = uatype_Int32.unpack(data.read(4))[0]
        self.ArrayDimensions = unpack_uatype_array('UInt32', data)
        self.IsAbstract = uatype_Boolean.unpack(data.read(1))[0]

    def __str__(self):
        return 'VariableTypeAttributes(' + 'SpecifiedAttributes:' + str(self.SpecifiedAttributes) + ', ' + \
               'DisplayName:' + str(self.DisplayName) + ', ' + \
               'Description:' + str(self.Description) + ', ' + \
               'WriteMask:' + str(self.WriteMask) + ', ' + \
               'UserWriteMask:' + str(self.UserWriteMask) + ', ' + \
               'Value:' + str(self.Value) + ', ' + \
               'DataType:' + str(self.DataType) + ', ' + \
               'ValueRank:' + str(self.ValueRank) + ', ' + \
               'ArrayDimensions:' + str(self.ArrayDimensions) + ', ' + \
               'IsAbstract:' + str(self.IsAbstract) + ')'

    __repr__ = __str__


class ReferenceTypeAttributes(FrozenClass):
    '''
    The attributes for a reference type node.

    :ivar SpecifiedAttributes:
    :vartype SpecifiedAttributes: UInt32
    :ivar DisplayName:
    :vartype DisplayName: LocalizedText
    :ivar Description:
    :vartype Description: LocalizedText
    :ivar WriteMask:
    :vartype WriteMask: UInt32
    :ivar UserWriteMask:
    :vartype UserWriteMask: UInt32
    :ivar IsAbstract:
    :vartype IsAbstract: Boolean
    :ivar Symmetric:
    :vartype Symmetric: Boolean
    :ivar InverseName:
    :vartype InverseName: LocalizedText
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.SpecifiedAttributes = 0
        self.DisplayName = LocalizedText()
        self.Description = LocalizedText()
        self.WriteMask = 0
        self.UserWriteMask = 0
        self.IsAbstract = True
        self.Symmetric = True
        self.InverseName = LocalizedText()
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(uatype_UInt32.pack(self.SpecifiedAttributes))
        packet.append(self.DisplayName.to_binary())
        packet.append(self.Description.to_binary())
        packet.append(uatype_UInt32.pack(self.WriteMask))
        packet.append(uatype_UInt32.pack(self.UserWriteMask))
        packet.append(uatype_Boolean.pack(self.IsAbstract))
        packet.append(uatype_Boolean.pack(self.Symmetric))
        packet.append(self.InverseName.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return ReferenceTypeAttributes(data)

    def _binary_init(self, data):
        self.SpecifiedAttributes = uatype_UInt32.unpack(data.read(4))[0]
        self.DisplayName = LocalizedText.from_binary(data)
        self.Description = LocalizedText.from_binary(data)
        self.WriteMask = uatype_UInt32.unpack(data.read(4))[0]
        self.UserWriteMask = uatype_UInt32.unpack(data.read(4))[0]
        self.IsAbstract = uatype_Boolean.unpack(data.read(1))[0]
        self.Symmetric = uatype_Boolean.unpack(data.read(1))[0]
        self.InverseName = LocalizedText.from_binary(data)

    def __str__(self):
        return 'ReferenceTypeAttributes(' + 'SpecifiedAttributes:' + str(self.SpecifiedAttributes) + ', ' + \
               'DisplayName:' + str(self.DisplayName) + ', ' + \
               'Description:' + str(self.Description) + ', ' + \
               'WriteMask:' + str(self.WriteMask) + ', ' + \
               'UserWriteMask:' + str(self.UserWriteMask) + ', ' + \
               'IsAbstract:' + str(self.IsAbstract) + ', ' + \
               'Symmetric:' + str(self.Symmetric) + ', ' + \
               'InverseName:' + str(self.InverseName) + ')'

    __repr__ = __str__


class DataTypeAttributes(FrozenClass):
    '''
    The attributes for a data type node.

    :ivar SpecifiedAttributes:
    :vartype SpecifiedAttributes: UInt32
    :ivar DisplayName:
    :vartype DisplayName: LocalizedText
    :ivar Description:
    :vartype Description: LocalizedText
    :ivar WriteMask:
    :vartype WriteMask: UInt32
    :ivar UserWriteMask:
    :vartype UserWriteMask: UInt32
    :ivar IsAbstract:
    :vartype IsAbstract: Boolean
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.SpecifiedAttributes = 0
        self.DisplayName = LocalizedText()
        self.Description = LocalizedText()
        self.WriteMask = 0
        self.UserWriteMask = 0
        self.IsAbstract = True
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(uatype_UInt32.pack(self.SpecifiedAttributes))
        packet.append(self.DisplayName.to_binary())
        packet.append(self.Description.to_binary())
        packet.append(uatype_UInt32.pack(self.WriteMask))
        packet.append(uatype_UInt32.pack(self.UserWriteMask))
        packet.append(uatype_Boolean.pack(self.IsAbstract))
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return DataTypeAttributes(data)

    def _binary_init(self, data):
        self.SpecifiedAttributes = uatype_UInt32.unpack(data.read(4))[0]
        self.DisplayName = LocalizedText.from_binary(data)
        self.Description = LocalizedText.from_binary(data)
        self.WriteMask = uatype_UInt32.unpack(data.read(4))[0]
        self.UserWriteMask = uatype_UInt32.unpack(data.read(4))[0]
        self.IsAbstract = uatype_Boolean.unpack(data.read(1))[0]

    def __str__(self):
        return 'DataTypeAttributes(' + 'SpecifiedAttributes:' + str(self.SpecifiedAttributes) + ', ' + \
               'DisplayName:' + str(self.DisplayName) + ', ' + \
               'Description:' + str(self.Description) + ', ' + \
               'WriteMask:' + str(self.WriteMask) + ', ' + \
               'UserWriteMask:' + str(self.UserWriteMask) + ', ' + \
               'IsAbstract:' + str(self.IsAbstract) + ')'

    __repr__ = __str__


class ViewAttributes(FrozenClass):
    '''
    The attributes for a view node.

    :ivar SpecifiedAttributes:
    :vartype SpecifiedAttributes: UInt32
    :ivar DisplayName:
    :vartype DisplayName: LocalizedText
    :ivar Description:
    :vartype Description: LocalizedText
    :ivar WriteMask:
    :vartype WriteMask: UInt32
    :ivar UserWriteMask:
    :vartype UserWriteMask: UInt32
    :ivar ContainsNoLoops:
    :vartype ContainsNoLoops: Boolean
    :ivar EventNotifier:
    :vartype EventNotifier: Byte
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.SpecifiedAttributes = 0
        self.DisplayName = LocalizedText()
        self.Description = LocalizedText()
        self.WriteMask = 0
        self.UserWriteMask = 0
        self.ContainsNoLoops = True
        self.EventNotifier = 0
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(uatype_UInt32.pack(self.SpecifiedAttributes))
        packet.append(self.DisplayName.to_binary())
        packet.append(self.Description.to_binary())
        packet.append(uatype_UInt32.pack(self.WriteMask))
        packet.append(uatype_UInt32.pack(self.UserWriteMask))
        packet.append(uatype_Boolean.pack(self.ContainsNoLoops))
        packet.append(uatype_Byte.pack(self.EventNotifier))
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return ViewAttributes(data)

    def _binary_init(self, data):
        self.SpecifiedAttributes = uatype_UInt32.unpack(data.read(4))[0]
        self.DisplayName = LocalizedText.from_binary(data)
        self.Description = LocalizedText.from_binary(data)
        self.WriteMask = uatype_UInt32.unpack(data.read(4))[0]
        self.UserWriteMask = uatype_UInt32.unpack(data.read(4))[0]
        self.ContainsNoLoops = uatype_Boolean.unpack(data.read(1))[0]
        self.EventNotifier = uatype_Byte.unpack(data.read(1))[0]

    def __str__(self):
        return 'ViewAttributes(' + 'SpecifiedAttributes:' + str(self.SpecifiedAttributes) + ', ' + \
               'DisplayName:' + str(self.DisplayName) + ', ' + \
               'Description:' + str(self.Description) + ', ' + \
               'WriteMask:' + str(self.WriteMask) + ', ' + \
               'UserWriteMask:' + str(self.UserWriteMask) + ', ' + \
               'ContainsNoLoops:' + str(self.ContainsNoLoops) + ', ' + \
               'EventNotifier:' + str(self.EventNotifier) + ')'

    __repr__ = __str__


class AddNodesItem(FrozenClass):
    '''
    A request to add a node to the server address space.

    :ivar ParentNodeId:
    :vartype ParentNodeId: ExpandedNodeId
    :ivar ReferenceTypeId:
    :vartype ReferenceTypeId: NodeId
    :ivar RequestedNewNodeId:
    :vartype RequestedNewNodeId: ExpandedNodeId
    :ivar BrowseName:
    :vartype BrowseName: QualifiedName
    :ivar NodeClass:
    :vartype NodeClass: NodeClass
    :ivar NodeAttributes:
    :vartype NodeAttributes: ExtensionObject
    :ivar TypeDefinition:
    :vartype TypeDefinition: ExpandedNodeId
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.ParentNodeId = ExpandedNodeId()
        self.ReferenceTypeId = NodeId()
        self.RequestedNewNodeId = ExpandedNodeId()
        self.BrowseName = QualifiedName()
        self.NodeClass = NodeClass(0)
        self.NodeAttributes = None
        self.TypeDefinition = ExpandedNodeId()
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.ParentNodeId.to_binary())
        packet.append(self.ReferenceTypeId.to_binary())
        packet.append(self.RequestedNewNodeId.to_binary())
        packet.append(self.BrowseName.to_binary())
        packet.append(uatype_UInt32.pack(self.NodeClass.value))
        packet.append(extensionobject_to_binary(self.NodeAttributes))
        packet.append(self.TypeDefinition.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return AddNodesItem(data)

    def _binary_init(self, data):
        self.ParentNodeId = ExpandedNodeId.from_binary(data)
        self.ReferenceTypeId = NodeId.from_binary(data)
        self.RequestedNewNodeId = ExpandedNodeId.from_binary(data)
        self.BrowseName = QualifiedName.from_binary(data)
        self.NodeClass = NodeClass(uatype_UInt32.unpack(data.read(4))[0])
        self.NodeAttributes = extensionobject_from_binary(data)
        self.TypeDefinition = ExpandedNodeId.from_binary(data)

    def __str__(self):
        return 'AddNodesItem(' + 'ParentNodeId:' + str(self.ParentNodeId) + ', ' + \
               'ReferenceTypeId:' + str(self.ReferenceTypeId) + ', ' + \
               'RequestedNewNodeId:' + str(self.RequestedNewNodeId) + ', ' + \
               'BrowseName:' + str(self.BrowseName) + ', ' + \
               'NodeClass:' + str(self.NodeClass) + ', ' + \
               'NodeAttributes:' + str(self.NodeAttributes) + ', ' + \
               'TypeDefinition:' + str(self.TypeDefinition) + ')'

    __repr__ = __str__


class AddNodesResult(FrozenClass):
    '''
    A result of an add node operation.

    :ivar StatusCode:
    :vartype StatusCode: StatusCode
    :ivar AddedNodeId:
    :vartype AddedNodeId: NodeId
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.StatusCode = StatusCode()
        self.AddedNodeId = NodeId()
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.StatusCode.to_binary())
        packet.append(self.AddedNodeId.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return AddNodesResult(data)

    def _binary_init(self, data):
        self.StatusCode = StatusCode.from_binary(data)
        self.AddedNodeId = NodeId.from_binary(data)

    def __str__(self):
        return 'AddNodesResult(' + 'StatusCode:' + str(self.StatusCode) + ', ' + \
               'AddedNodeId:' + str(self.AddedNodeId) + ')'

    __repr__ = __str__


class AddNodesParameters(FrozenClass):
    '''
    :ivar NodesToAdd:
    :vartype NodesToAdd: AddNodesItem
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.NodesToAdd = []
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(uatype_Int32.pack(len(self.NodesToAdd)))
        for fieldname in self.NodesToAdd:
            packet.append(fieldname.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return AddNodesParameters(data)

    def _binary_init(self, data):
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(AddNodesItem.from_binary(data))
        self.NodesToAdd = array

    def __str__(self):
        return 'AddNodesParameters(' + 'NodesToAdd:' + str(self.NodesToAdd) + ')'

    __repr__ = __str__


class AddNodesRequest(FrozenClass):
    '''
    Adds one or more nodes to the server address space.

    :ivar TypeId:
    :vartype TypeId: NodeId
    :ivar RequestHeader:
    :vartype RequestHeader: RequestHeader
    :ivar Parameters:
    :vartype Parameters: AddNodesParameters
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.TypeId = FourByteNodeId(ObjectIds.AddNodesRequest_Encoding_DefaultBinary)
        self.RequestHeader = RequestHeader()
        self.Parameters = AddNodesParameters()
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.TypeId.to_binary())
        packet.append(self.RequestHeader.to_binary())
        packet.append(self.Parameters.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return AddNodesRequest(data)

    def _binary_init(self, data):
        self.TypeId = NodeId.from_binary(data)
        self.RequestHeader = RequestHeader.from_binary(data)
        self.Parameters = AddNodesParameters.from_binary(data)

    def __str__(self):
        return 'AddNodesRequest(' + 'TypeId:' + str(self.TypeId) + ', ' + \
               'RequestHeader:' + str(self.RequestHeader) + ', ' + \
               'Parameters:' + str(self.Parameters) + ')'

    __repr__ = __str__


class AddNodesResponse(FrozenClass):
    '''
    Adds one or more nodes to the server address space.

    :ivar TypeId:
    :vartype TypeId: NodeId
    :ivar ResponseHeader:
    :vartype ResponseHeader: ResponseHeader
    :ivar Results:
    :vartype Results: AddNodesResult
    :ivar DiagnosticInfos:
    :vartype DiagnosticInfos: DiagnosticInfo
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.TypeId = FourByteNodeId(ObjectIds.AddNodesResponse_Encoding_DefaultBinary)
        self.ResponseHeader = ResponseHeader()
        self.Results = []
        self.DiagnosticInfos = []
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.TypeId.to_binary())
        packet.append(self.ResponseHeader.to_binary())
        packet.append(uatype_Int32.pack(len(self.Results)))
        for fieldname in self.Results:
            packet.append(fieldname.to_binary())
        packet.append(uatype_Int32.pack(len(self.DiagnosticInfos)))
        for fieldname in self.DiagnosticInfos:
            packet.append(fieldname.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return AddNodesResponse(data)

    def _binary_init(self, data):
        self.TypeId = NodeId.from_binary(data)
        self.ResponseHeader = ResponseHeader.from_binary(data)
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(AddNodesResult.from_binary(data))
        self.Results = array
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(DiagnosticInfo.from_binary(data))
        self.DiagnosticInfos = array

    def __str__(self):
        return 'AddNodesResponse(' + 'TypeId:' + str(self.TypeId) + ', ' + \
               'ResponseHeader:' + str(self.ResponseHeader) + ', ' + \
               'Results:' + str(self.Results) + ', ' + \
               'DiagnosticInfos:' + str(self.DiagnosticInfos) + ')'

    __repr__ = __str__


class AddReferencesItem(FrozenClass):
    '''
    A request to add a reference to the server address space.

    :ivar SourceNodeId:
    :vartype SourceNodeId: NodeId
    :ivar ReferenceTypeId:
    :vartype ReferenceTypeId: NodeId
    :ivar IsForward:
    :vartype IsForward: Boolean
    :ivar TargetServerUri:
    :vartype TargetServerUri: String
    :ivar TargetNodeId:
    :vartype TargetNodeId: ExpandedNodeId
    :ivar TargetNodeClass:
    :vartype TargetNodeClass: NodeClass
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.SourceNodeId = NodeId()
        self.ReferenceTypeId = NodeId()
        self.IsForward = True
        self.TargetServerUri = ''
        self.TargetNodeId = ExpandedNodeId()
        self.TargetNodeClass = NodeClass(0)
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.SourceNodeId.to_binary())
        packet.append(self.ReferenceTypeId.to_binary())
        packet.append(uatype_Boolean.pack(self.IsForward))
        packet.append(pack_string(self.TargetServerUri))
        packet.append(self.TargetNodeId.to_binary())
        packet.append(uatype_UInt32.pack(self.TargetNodeClass.value))
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return AddReferencesItem(data)

    def _binary_init(self, data):
        self.SourceNodeId = NodeId.from_binary(data)
        self.ReferenceTypeId = NodeId.from_binary(data)
        self.IsForward = uatype_Boolean.unpack(data.read(1))[0]
        self.TargetServerUri = unpack_string(data)
        self.TargetNodeId = ExpandedNodeId.from_binary(data)
        self.TargetNodeClass = NodeClass(uatype_UInt32.unpack(data.read(4))[0])

    def __str__(self):
        return 'AddReferencesItem(' + 'SourceNodeId:' + str(self.SourceNodeId) + ', ' + \
               'ReferenceTypeId:' + str(self.ReferenceTypeId) + ', ' + \
               'IsForward:' + str(self.IsForward) + ', ' + \
               'TargetServerUri:' + str(self.TargetServerUri) + ', ' + \
               'TargetNodeId:' + str(self.TargetNodeId) + ', ' + \
               'TargetNodeClass:' + str(self.TargetNodeClass) + ')'

    __repr__ = __str__


class AddReferencesRequest(FrozenClass):
    '''
    Adds one or more references to the server address space.

    :ivar TypeId:
    :vartype TypeId: NodeId
    :ivar RequestHeader:
    :vartype RequestHeader: RequestHeader
    :ivar ReferencesToAdd:
    :vartype ReferencesToAdd: AddReferencesItem
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.TypeId = FourByteNodeId(ObjectIds.AddReferencesRequest_Encoding_DefaultBinary)
        self.RequestHeader = RequestHeader()
        self.ReferencesToAdd = []
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.TypeId.to_binary())
        packet.append(self.RequestHeader.to_binary())
        packet.append(uatype_Int32.pack(len(self.ReferencesToAdd)))
        for fieldname in self.ReferencesToAdd:
            packet.append(fieldname.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return AddReferencesRequest(data)

    def _binary_init(self, data):
        self.TypeId = NodeId.from_binary(data)
        self.RequestHeader = RequestHeader.from_binary(data)
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(AddReferencesItem.from_binary(data))
        self.ReferencesToAdd = array

    def __str__(self):
        return 'AddReferencesRequest(' + 'TypeId:' + str(self.TypeId) + ', ' + \
               'RequestHeader:' + str(self.RequestHeader) + ', ' + \
               'ReferencesToAdd:' + str(self.ReferencesToAdd) + ')'

    __repr__ = __str__


class AddReferencesResponse(FrozenClass):
    '''
    Adds one or more references to the server address space.

    :ivar TypeId:
    :vartype TypeId: NodeId
    :ivar ResponseHeader:
    :vartype ResponseHeader: ResponseHeader
    :ivar Results:
    :vartype Results: StatusCode
    :ivar DiagnosticInfos:
    :vartype DiagnosticInfos: DiagnosticInfo
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.TypeId = FourByteNodeId(ObjectIds.AddReferencesResponse_Encoding_DefaultBinary)
        self.ResponseHeader = ResponseHeader()
        self.Results = []
        self.DiagnosticInfos = []
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.TypeId.to_binary())
        packet.append(self.ResponseHeader.to_binary())
        packet.append(uatype_Int32.pack(len(self.Results)))
        for fieldname in self.Results:
            packet.append(fieldname.to_binary())
        packet.append(uatype_Int32.pack(len(self.DiagnosticInfos)))
        for fieldname in self.DiagnosticInfos:
            packet.append(fieldname.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return AddReferencesResponse(data)

    def _binary_init(self, data):
        self.TypeId = NodeId.from_binary(data)
        self.ResponseHeader = ResponseHeader.from_binary(data)
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(StatusCode.from_binary(data))
        self.Results = array
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(DiagnosticInfo.from_binary(data))
        self.DiagnosticInfos = array

    def __str__(self):
        return 'AddReferencesResponse(' + 'TypeId:' + str(self.TypeId) + ', ' + \
               'ResponseHeader:' + str(self.ResponseHeader) + ', ' + \
               'Results:' + str(self.Results) + ', ' + \
               'DiagnosticInfos:' + str(self.DiagnosticInfos) + ')'

    __repr__ = __str__


class DeleteNodesItem(FrozenClass):
    '''
    A request to delete a node to the server address space.

    :ivar NodeId:
    :vartype NodeId: NodeId
    :ivar DeleteTargetReferences:
    :vartype DeleteTargetReferences: Boolean
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.NodeId = NodeId()
        self.DeleteTargetReferences = True
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.NodeId.to_binary())
        packet.append(uatype_Boolean.pack(self.DeleteTargetReferences))
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return DeleteNodesItem(data)

    def _binary_init(self, data):
        self.NodeId = NodeId.from_binary(data)
        self.DeleteTargetReferences = uatype_Boolean.unpack(data.read(1))[0]

    def __str__(self):
        return 'DeleteNodesItem(' + 'NodeId:' + str(self.NodeId) + ', ' + \
               'DeleteTargetReferences:' + str(self.DeleteTargetReferences) + ')'

    __repr__ = __str__


class DeleteNodesParameters(FrozenClass):
    '''
    :ivar NodesToDelete:
    :vartype NodesToDelete: DeleteNodesItem
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.NodesToDelete = []
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(uatype_Int32.pack(len(self.NodesToDelete)))
        for fieldname in self.NodesToDelete:
            packet.append(fieldname.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return DeleteNodesParameters(data)

    def _binary_init(self, data):
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(DeleteNodesItem.from_binary(data))
        self.NodesToDelete = array

    def __str__(self):
        return 'DeleteNodesParameters(' + 'NodesToDelete:' + str(self.NodesToDelete) + ')'

    __repr__ = __str__


class DeleteNodesRequest(FrozenClass):
    '''
    Delete one or more nodes from the server address space.

    :ivar TypeId:
    :vartype TypeId: NodeId
    :ivar RequestHeader:
    :vartype RequestHeader: RequestHeader
    :ivar Parameters:
    :vartype Parameters: DeleteNodesParameters
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.TypeId = FourByteNodeId(ObjectIds.DeleteNodesRequest_Encoding_DefaultBinary)
        self.RequestHeader = RequestHeader()
        self.Parameters = DeleteNodesParameters()
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.TypeId.to_binary())
        packet.append(self.RequestHeader.to_binary())
        packet.append(self.Parameters.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return DeleteNodesRequest(data)

    def _binary_init(self, data):
        self.TypeId = NodeId.from_binary(data)
        self.RequestHeader = RequestHeader.from_binary(data)
        self.Parameters = DeleteNodesParameters.from_binary(data)

    def __str__(self):
        return 'DeleteNodesRequest(' + 'TypeId:' + str(self.TypeId) + ', ' + \
               'RequestHeader:' + str(self.RequestHeader) + ', ' + \
               'Parameters:' + str(self.Parameters) + ')'

    __repr__ = __str__


class DeleteNodesResponse(FrozenClass):
    '''
    Delete one or more nodes from the server address space.

    :ivar TypeId:
    :vartype TypeId: NodeId
    :ivar ResponseHeader:
    :vartype ResponseHeader: ResponseHeader
    :ivar Results:
    :vartype Results: StatusCode
    :ivar DiagnosticInfos:
    :vartype DiagnosticInfos: DiagnosticInfo
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.TypeId = FourByteNodeId(ObjectIds.DeleteNodesResponse_Encoding_DefaultBinary)
        self.ResponseHeader = ResponseHeader()
        self.Results = []
        self.DiagnosticInfos = []
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.TypeId.to_binary())
        packet.append(self.ResponseHeader.to_binary())
        packet.append(uatype_Int32.pack(len(self.Results)))
        for fieldname in self.Results:
            packet.append(fieldname.to_binary())
        packet.append(uatype_Int32.pack(len(self.DiagnosticInfos)))
        for fieldname in self.DiagnosticInfos:
            packet.append(fieldname.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return DeleteNodesResponse(data)

    def _binary_init(self, data):
        self.TypeId = NodeId.from_binary(data)
        self.ResponseHeader = ResponseHeader.from_binary(data)
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(StatusCode.from_binary(data))
        self.Results = array
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(DiagnosticInfo.from_binary(data))
        self.DiagnosticInfos = array

    def __str__(self):
        return 'DeleteNodesResponse(' + 'TypeId:' + str(self.TypeId) + ', ' + \
               'ResponseHeader:' + str(self.ResponseHeader) + ', ' + \
               'Results:' + str(self.Results) + ', ' + \
               'DiagnosticInfos:' + str(self.DiagnosticInfos) + ')'

    __repr__ = __str__


class DeleteReferencesItem(FrozenClass):
    '''
    A request to delete a node from the server address space.

    :ivar SourceNodeId:
    :vartype SourceNodeId: NodeId
    :ivar ReferenceTypeId:
    :vartype ReferenceTypeId: NodeId
    :ivar IsForward:
    :vartype IsForward: Boolean
    :ivar TargetNodeId:
    :vartype TargetNodeId: ExpandedNodeId
    :ivar DeleteBidirectional:
    :vartype DeleteBidirectional: Boolean
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.SourceNodeId = NodeId()
        self.ReferenceTypeId = NodeId()
        self.IsForward = True
        self.TargetNodeId = ExpandedNodeId()
        self.DeleteBidirectional = True
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.SourceNodeId.to_binary())
        packet.append(self.ReferenceTypeId.to_binary())
        packet.append(uatype_Boolean.pack(self.IsForward))
        packet.append(self.TargetNodeId.to_binary())
        packet.append(uatype_Boolean.pack(self.DeleteBidirectional))
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return DeleteReferencesItem(data)

    def _binary_init(self, data):
        self.SourceNodeId = NodeId.from_binary(data)
        self.ReferenceTypeId = NodeId.from_binary(data)
        self.IsForward = uatype_Boolean.unpack(data.read(1))[0]
        self.TargetNodeId = ExpandedNodeId.from_binary(data)
        self.DeleteBidirectional = uatype_Boolean.unpack(data.read(1))[0]

    def __str__(self):
        return 'DeleteReferencesItem(' + 'SourceNodeId:' + str(self.SourceNodeId) + ', ' + \
               'ReferenceTypeId:' + str(self.ReferenceTypeId) + ', ' + \
               'IsForward:' + str(self.IsForward) + ', ' + \
               'TargetNodeId:' + str(self.TargetNodeId) + ', ' + \
               'DeleteBidirectional:' + str(self.DeleteBidirectional) + ')'

    __repr__ = __str__


class DeleteReferencesParameters(FrozenClass):
    '''
    :ivar ReferencesToDelete:
    :vartype ReferencesToDelete: DeleteReferencesItem
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.ReferencesToDelete = []
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(uatype_Int32.pack(len(self.ReferencesToDelete)))
        for fieldname in self.ReferencesToDelete:
            packet.append(fieldname.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return DeleteReferencesParameters(data)

    def _binary_init(self, data):
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(DeleteReferencesItem.from_binary(data))
        self.ReferencesToDelete = array

    def __str__(self):
        return 'DeleteReferencesParameters(' + 'ReferencesToDelete:' + str(self.ReferencesToDelete) + ')'

    __repr__ = __str__


class DeleteReferencesRequest(FrozenClass):
    '''
    Delete one or more references from the server address space.

    :ivar TypeId:
    :vartype TypeId: NodeId
    :ivar RequestHeader:
    :vartype RequestHeader: RequestHeader
    :ivar Parameters:
    :vartype Parameters: DeleteReferencesParameters
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.TypeId = FourByteNodeId(ObjectIds.DeleteReferencesRequest_Encoding_DefaultBinary)
        self.RequestHeader = RequestHeader()
        self.Parameters = DeleteReferencesParameters()
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.TypeId.to_binary())
        packet.append(self.RequestHeader.to_binary())
        packet.append(self.Parameters.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return DeleteReferencesRequest(data)

    def _binary_init(self, data):
        self.TypeId = NodeId.from_binary(data)
        self.RequestHeader = RequestHeader.from_binary(data)
        self.Parameters = DeleteReferencesParameters.from_binary(data)

    def __str__(self):
        return 'DeleteReferencesRequest(' + 'TypeId:' + str(self.TypeId) + ', ' + \
               'RequestHeader:' + str(self.RequestHeader) + ', ' + \
               'Parameters:' + str(self.Parameters) + ')'

    __repr__ = __str__


class DeleteReferencesResult(FrozenClass):
    '''
    :ivar Results:
    :vartype Results: StatusCode
    :ivar DiagnosticInfos:
    :vartype DiagnosticInfos: DiagnosticInfo
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.Results = []
        self.DiagnosticInfos = []
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(uatype_Int32.pack(len(self.Results)))
        for fieldname in self.Results:
            packet.append(fieldname.to_binary())
        packet.append(uatype_Int32.pack(len(self.DiagnosticInfos)))
        for fieldname in self.DiagnosticInfos:
            packet.append(fieldname.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return DeleteReferencesResult(data)

    def _binary_init(self, data):
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(StatusCode.from_binary(data))
        self.Results = array
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(DiagnosticInfo.from_binary(data))
        self.DiagnosticInfos = array

    def __str__(self):
        return 'DeleteReferencesResult(' + 'Results:' + str(self.Results) + ', ' + \
               'DiagnosticInfos:' + str(self.DiagnosticInfos) + ')'

    __repr__ = __str__


class DeleteReferencesResponse(FrozenClass):
    '''
    Delete one or more references from the server address space.

    :ivar TypeId:
    :vartype TypeId: NodeId
    :ivar ResponseHeader:
    :vartype ResponseHeader: ResponseHeader
    :ivar Parameters:
    :vartype Parameters: DeleteReferencesResult
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.TypeId = FourByteNodeId(ObjectIds.DeleteReferencesResponse_Encoding_DefaultBinary)
        self.ResponseHeader = ResponseHeader()
        self.Parameters = DeleteReferencesResult()
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.TypeId.to_binary())
        packet.append(self.ResponseHeader.to_binary())
        packet.append(self.Parameters.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return DeleteReferencesResponse(data)

    def _binary_init(self, data):
        self.TypeId = NodeId.from_binary(data)
        self.ResponseHeader = ResponseHeader.from_binary(data)
        self.Parameters = DeleteReferencesResult.from_binary(data)

    def __str__(self):
        return 'DeleteReferencesResponse(' + 'TypeId:' + str(self.TypeId) + ', ' + \
               'ResponseHeader:' + str(self.ResponseHeader) + ', ' + \
               'Parameters:' + str(self.Parameters) + ')'

    __repr__ = __str__


class ViewDescription(FrozenClass):
    '''
    The view to browse.

    :ivar ViewId:
    :vartype ViewId: NodeId
    :ivar Timestamp:
    :vartype Timestamp: DateTime
    :ivar ViewVersion:
    :vartype ViewVersion: UInt32
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.ViewId = NodeId()
        self.Timestamp = datetime.now()
        self.ViewVersion = 0
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.ViewId.to_binary())
        packet.append(pack_datetime(self.Timestamp))
        packet.append(uatype_UInt32.pack(self.ViewVersion))
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return ViewDescription(data)

    def _binary_init(self, data):
        self.ViewId = NodeId.from_binary(data)
        self.Timestamp = unpack_datetime(data)
        self.ViewVersion = uatype_UInt32.unpack(data.read(4))[0]

    def __str__(self):
        return 'ViewDescription(' + 'ViewId:' + str(self.ViewId) + ', ' + \
               'Timestamp:' + str(self.Timestamp) + ', ' + \
               'ViewVersion:' + str(self.ViewVersion) + ')'

    __repr__ = __str__


class BrowseDescription(FrozenClass):
    '''
    A request to browse the the references from a node.

    :ivar NodeId:
    :vartype NodeId: NodeId
    :ivar BrowseDirection:
    :vartype BrowseDirection: BrowseDirection
    :ivar ReferenceTypeId:
    :vartype ReferenceTypeId: NodeId
    :ivar IncludeSubtypes:
    :vartype IncludeSubtypes: Boolean
    :ivar NodeClassMask:
    :vartype NodeClassMask: UInt32
    :ivar ResultMask:
    :vartype ResultMask: UInt32
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.NodeId = NodeId()
        self.BrowseDirection = BrowseDirection(0)
        self.ReferenceTypeId = NodeId()
        self.IncludeSubtypes = True
        self.NodeClassMask = 0
        self.ResultMask = 0
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.NodeId.to_binary())
        packet.append(uatype_UInt32.pack(self.BrowseDirection.value))
        packet.append(self.ReferenceTypeId.to_binary())
        packet.append(uatype_Boolean.pack(self.IncludeSubtypes))
        packet.append(uatype_UInt32.pack(self.NodeClassMask))
        packet.append(uatype_UInt32.pack(self.ResultMask))
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return BrowseDescription(data)

    def _binary_init(self, data):
        self.NodeId = NodeId.from_binary(data)
        self.BrowseDirection = BrowseDirection(uatype_UInt32.unpack(data.read(4))[0])
        self.ReferenceTypeId = NodeId.from_binary(data)
        self.IncludeSubtypes = uatype_Boolean.unpack(data.read(1))[0]
        self.NodeClassMask = uatype_UInt32.unpack(data.read(4))[0]
        self.ResultMask = uatype_UInt32.unpack(data.read(4))[0]

    def __str__(self):
        return 'BrowseDescription(' + 'NodeId:' + str(self.NodeId) + ', ' + \
               'BrowseDirection:' + str(self.BrowseDirection) + ', ' + \
               'ReferenceTypeId:' + str(self.ReferenceTypeId) + ', ' + \
               'IncludeSubtypes:' + str(self.IncludeSubtypes) + ', ' + \
               'NodeClassMask:' + str(self.NodeClassMask) + ', ' + \
               'ResultMask:' + str(self.ResultMask) + ')'

    __repr__ = __str__


class ReferenceDescription(FrozenClass):
    '''
    The description of a reference.

    :ivar ReferenceTypeId:
    :vartype ReferenceTypeId: NodeId
    :ivar IsForward:
    :vartype IsForward: Boolean
    :ivar NodeId:
    :vartype NodeId: ExpandedNodeId
    :ivar BrowseName:
    :vartype BrowseName: QualifiedName
    :ivar DisplayName:
    :vartype DisplayName: LocalizedText
    :ivar NodeClass:
    :vartype NodeClass: NodeClass
    :ivar TypeDefinition:
    :vartype TypeDefinition: ExpandedNodeId
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.ReferenceTypeId = NodeId()
        self.IsForward = True
        self.NodeId = ExpandedNodeId()
        self.BrowseName = QualifiedName()
        self.DisplayName = LocalizedText()
        self.NodeClass = NodeClass(0)
        self.TypeDefinition = ExpandedNodeId()
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.ReferenceTypeId.to_binary())
        packet.append(uatype_Boolean.pack(self.IsForward))
        packet.append(self.NodeId.to_binary())
        packet.append(self.BrowseName.to_binary())
        packet.append(self.DisplayName.to_binary())
        packet.append(uatype_UInt32.pack(self.NodeClass.value))
        packet.append(self.TypeDefinition.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return ReferenceDescription(data)

    def _binary_init(self, data):
        self.ReferenceTypeId = NodeId.from_binary(data)
        self.IsForward = uatype_Boolean.unpack(data.read(1))[0]
        self.NodeId = ExpandedNodeId.from_binary(data)
        self.BrowseName = QualifiedName.from_binary(data)
        self.DisplayName = LocalizedText.from_binary(data)
        self.NodeClass = NodeClass(uatype_UInt32.unpack(data.read(4))[0])
        self.TypeDefinition = ExpandedNodeId.from_binary(data)

    def __str__(self):
        return 'ReferenceDescription(' + 'ReferenceTypeId:' + str(self.ReferenceTypeId) + ', ' + \
               'IsForward:' + str(self.IsForward) + ', ' + \
               'NodeId:' + str(self.NodeId) + ', ' + \
               'BrowseName:' + str(self.BrowseName) + ', ' + \
               'DisplayName:' + str(self.DisplayName) + ', ' + \
               'NodeClass:' + str(self.NodeClass) + ', ' + \
               'TypeDefinition:' + str(self.TypeDefinition) + ')'

    __repr__ = __str__


class BrowseResult(FrozenClass):
    '''
    The result of a browse operation.

    :ivar StatusCode:
    :vartype StatusCode: StatusCode
    :ivar ContinuationPoint:
    :vartype ContinuationPoint: ByteString
    :ivar References:
    :vartype References: ReferenceDescription
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.StatusCode = StatusCode()
        self.ContinuationPoint = b''
        self.References = []
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.StatusCode.to_binary())
        packet.append(pack_bytes(self.ContinuationPoint))
        packet.append(uatype_Int32.pack(len(self.References)))
        for fieldname in self.References:
            packet.append(fieldname.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return BrowseResult(data)

    def _binary_init(self, data):
        self.StatusCode = StatusCode.from_binary(data)
        self.ContinuationPoint = unpack_bytes(data)
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(ReferenceDescription.from_binary(data))
        self.References = array

    def __str__(self):
        return 'BrowseResult(' + 'StatusCode:' + str(self.StatusCode) + ', ' + \
               'ContinuationPoint:' + str(self.ContinuationPoint) + ', ' + \
               'References:' + str(self.References) + ')'

    __repr__ = __str__


class BrowseParameters(FrozenClass):
    '''
    :ivar View:
    :vartype View: ViewDescription
    :ivar RequestedMaxReferencesPerNode:
    :vartype RequestedMaxReferencesPerNode: UInt32
    :ivar NodesToBrowse:
    :vartype NodesToBrowse: BrowseDescription
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.View = ViewDescription()
        self.RequestedMaxReferencesPerNode = 0
        self.NodesToBrowse = []
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.View.to_binary())
        packet.append(uatype_UInt32.pack(self.RequestedMaxReferencesPerNode))
        packet.append(uatype_Int32.pack(len(self.NodesToBrowse)))
        for fieldname in self.NodesToBrowse:
            packet.append(fieldname.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return BrowseParameters(data)

    def _binary_init(self, data):
        self.View = ViewDescription.from_binary(data)
        self.RequestedMaxReferencesPerNode = uatype_UInt32.unpack(data.read(4))[0]
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(BrowseDescription.from_binary(data))
        self.NodesToBrowse = array

    def __str__(self):
        return 'BrowseParameters(' + 'View:' + str(self.View) + ', ' + \
               'RequestedMaxReferencesPerNode:' + str(self.RequestedMaxReferencesPerNode) + ', ' + \
               'NodesToBrowse:' + str(self.NodesToBrowse) + ')'

    __repr__ = __str__


class BrowseRequest(FrozenClass):
    '''
    Browse the references for one or more nodes from the server address space.

    :ivar TypeId:
    :vartype TypeId: NodeId
    :ivar RequestHeader:
    :vartype RequestHeader: RequestHeader
    :ivar Parameters:
    :vartype Parameters: BrowseParameters
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.TypeId = FourByteNodeId(ObjectIds.BrowseRequest_Encoding_DefaultBinary)
        self.RequestHeader = RequestHeader()
        self.Parameters = BrowseParameters()
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.TypeId.to_binary())
        packet.append(self.RequestHeader.to_binary())
        packet.append(self.Parameters.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return BrowseRequest(data)

    def _binary_init(self, data):
        self.TypeId = NodeId.from_binary(data)
        self.RequestHeader = RequestHeader.from_binary(data)
        self.Parameters = BrowseParameters.from_binary(data)

    def __str__(self):
        return 'BrowseRequest(' + 'TypeId:' + str(self.TypeId) + ', ' + \
               'RequestHeader:' + str(self.RequestHeader) + ', ' + \
               'Parameters:' + str(self.Parameters) + ')'

    __repr__ = __str__


class BrowseResponse(FrozenClass):
    '''
    Browse the references for one or more nodes from the server address space.

    :ivar TypeId:
    :vartype TypeId: NodeId
    :ivar ResponseHeader:
    :vartype ResponseHeader: ResponseHeader
    :ivar Results:
    :vartype Results: BrowseResult
    :ivar DiagnosticInfos:
    :vartype DiagnosticInfos: DiagnosticInfo
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.TypeId = FourByteNodeId(ObjectIds.BrowseResponse_Encoding_DefaultBinary)
        self.ResponseHeader = ResponseHeader()
        self.Results = []
        self.DiagnosticInfos = []
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.TypeId.to_binary())
        packet.append(self.ResponseHeader.to_binary())
        packet.append(uatype_Int32.pack(len(self.Results)))
        for fieldname in self.Results:
            packet.append(fieldname.to_binary())
        packet.append(uatype_Int32.pack(len(self.DiagnosticInfos)))
        for fieldname in self.DiagnosticInfos:
            packet.append(fieldname.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return BrowseResponse(data)

    def _binary_init(self, data):
        self.TypeId = NodeId.from_binary(data)
        self.ResponseHeader = ResponseHeader.from_binary(data)
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(BrowseResult.from_binary(data))
        self.Results = array
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(DiagnosticInfo.from_binary(data))
        self.DiagnosticInfos = array

    def __str__(self):
        return 'BrowseResponse(' + 'TypeId:' + str(self.TypeId) + ', ' + \
               'ResponseHeader:' + str(self.ResponseHeader) + ', ' + \
               'Results:' + str(self.Results) + ', ' + \
               'DiagnosticInfos:' + str(self.DiagnosticInfos) + ')'

    __repr__ = __str__


class BrowseNextParameters(FrozenClass):
    '''
    :ivar ReleaseContinuationPoints:
    :vartype ReleaseContinuationPoints: Boolean
    :ivar ContinuationPoints:
    :vartype ContinuationPoints: ByteString
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.ReleaseContinuationPoints = True
        self.ContinuationPoints = []
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(uatype_Boolean.pack(self.ReleaseContinuationPoints))
        packet.append(uatype_Int32.pack(len(self.ContinuationPoints)))
        for fieldname in self.ContinuationPoints:
            packet.append(pack_bytes(fieldname))
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return BrowseNextParameters(data)

    def _binary_init(self, data):
        self.ReleaseContinuationPoints = uatype_Boolean.unpack(data.read(1))[0]
        self.ContinuationPoints = unpack_uatype_array('ByteString', data)

    def __str__(self):
        return 'BrowseNextParameters(' + 'ReleaseContinuationPoints:' + str(self.ReleaseContinuationPoints) + ', ' + \
               'ContinuationPoints:' + str(self.ContinuationPoints) + ')'

    __repr__ = __str__


class BrowseNextRequest(FrozenClass):
    '''
    Continues one or more browse operations.

    :ivar TypeId:
    :vartype TypeId: NodeId
    :ivar RequestHeader:
    :vartype RequestHeader: RequestHeader
    :ivar Parameters:
    :vartype Parameters: BrowseNextParameters
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.TypeId = FourByteNodeId(ObjectIds.BrowseNextRequest_Encoding_DefaultBinary)
        self.RequestHeader = RequestHeader()
        self.Parameters = BrowseNextParameters()
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.TypeId.to_binary())
        packet.append(self.RequestHeader.to_binary())
        packet.append(self.Parameters.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return BrowseNextRequest(data)

    def _binary_init(self, data):
        self.TypeId = NodeId.from_binary(data)
        self.RequestHeader = RequestHeader.from_binary(data)
        self.Parameters = BrowseNextParameters.from_binary(data)

    def __str__(self):
        return 'BrowseNextRequest(' + 'TypeId:' + str(self.TypeId) + ', ' + \
               'RequestHeader:' + str(self.RequestHeader) + ', ' + \
               'Parameters:' + str(self.Parameters) + ')'

    __repr__ = __str__


class BrowseNextResult(FrozenClass):
    '''
    :ivar Results:
    :vartype Results: BrowseResult
    :ivar DiagnosticInfos:
    :vartype DiagnosticInfos: DiagnosticInfo
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.Results = []
        self.DiagnosticInfos = []
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(uatype_Int32.pack(len(self.Results)))
        for fieldname in self.Results:
            packet.append(fieldname.to_binary())
        packet.append(uatype_Int32.pack(len(self.DiagnosticInfos)))
        for fieldname in self.DiagnosticInfos:
            packet.append(fieldname.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return BrowseNextResult(data)

    def _binary_init(self, data):
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(BrowseResult.from_binary(data))
        self.Results = array
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(DiagnosticInfo.from_binary(data))
        self.DiagnosticInfos = array

    def __str__(self):
        return 'BrowseNextResult(' + 'Results:' + str(self.Results) + ', ' + \
               'DiagnosticInfos:' + str(self.DiagnosticInfos) + ')'

    __repr__ = __str__


class BrowseNextResponse(FrozenClass):
    '''
    Continues one or more browse operations.

    :ivar TypeId:
    :vartype TypeId: NodeId
    :ivar ResponseHeader:
    :vartype ResponseHeader: ResponseHeader
    :ivar Parameters:
    :vartype Parameters: BrowseNextResult
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.TypeId = FourByteNodeId(ObjectIds.BrowseNextResponse_Encoding_DefaultBinary)
        self.ResponseHeader = ResponseHeader()
        self.Parameters = BrowseNextResult()
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.TypeId.to_binary())
        packet.append(self.ResponseHeader.to_binary())
        packet.append(self.Parameters.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return BrowseNextResponse(data)

    def _binary_init(self, data):
        self.TypeId = NodeId.from_binary(data)
        self.ResponseHeader = ResponseHeader.from_binary(data)
        self.Parameters = BrowseNextResult.from_binary(data)

    def __str__(self):
        return 'BrowseNextResponse(' + 'TypeId:' + str(self.TypeId) + ', ' + \
               'ResponseHeader:' + str(self.ResponseHeader) + ', ' + \
               'Parameters:' + str(self.Parameters) + ')'

    __repr__ = __str__


class RelativePathElement(FrozenClass):
    '''
    An element in a relative path.

    :ivar ReferenceTypeId:
    :vartype ReferenceTypeId: NodeId
    :ivar IsInverse:
    :vartype IsInverse: Boolean
    :ivar IncludeSubtypes:
    :vartype IncludeSubtypes: Boolean
    :ivar TargetName:
    :vartype TargetName: QualifiedName
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.ReferenceTypeId = NodeId()
        self.IsInverse = True
        self.IncludeSubtypes = True
        self.TargetName = QualifiedName()
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.ReferenceTypeId.to_binary())
        packet.append(uatype_Boolean.pack(self.IsInverse))
        packet.append(uatype_Boolean.pack(self.IncludeSubtypes))
        packet.append(self.TargetName.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return RelativePathElement(data)

    def _binary_init(self, data):
        self.ReferenceTypeId = NodeId.from_binary(data)
        self.IsInverse = uatype_Boolean.unpack(data.read(1))[0]
        self.IncludeSubtypes = uatype_Boolean.unpack(data.read(1))[0]
        self.TargetName = QualifiedName.from_binary(data)

    def __str__(self):
        return 'RelativePathElement(' + 'ReferenceTypeId:' + str(self.ReferenceTypeId) + ', ' + \
               'IsInverse:' + str(self.IsInverse) + ', ' + \
               'IncludeSubtypes:' + str(self.IncludeSubtypes) + ', ' + \
               'TargetName:' + str(self.TargetName) + ')'

    __repr__ = __str__


class RelativePath(FrozenClass):
    '''
    A relative path constructed from reference types and browse names.

    :ivar Elements:
    :vartype Elements: RelativePathElement
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.Elements = []
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(uatype_Int32.pack(len(self.Elements)))
        for fieldname in self.Elements:
            packet.append(fieldname.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return RelativePath(data)

    def _binary_init(self, data):
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(RelativePathElement.from_binary(data))
        self.Elements = array

    def __str__(self):
        return 'RelativePath(' + 'Elements:' + str(self.Elements) + ')'

    __repr__ = __str__


class BrowsePath(FrozenClass):
    '''
    A request to translate a path into a node id.

    :ivar StartingNode:
    :vartype StartingNode: NodeId
    :ivar RelativePath:
    :vartype RelativePath: RelativePath
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.StartingNode = NodeId()
        self.RelativePath = RelativePath()
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.StartingNode.to_binary())
        packet.append(self.RelativePath.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return BrowsePath(data)

    def _binary_init(self, data):
        self.StartingNode = NodeId.from_binary(data)
        self.RelativePath = RelativePath.from_binary(data)

    def __str__(self):
        return 'BrowsePath(' + 'StartingNode:' + str(self.StartingNode) + ', ' + \
               'RelativePath:' + str(self.RelativePath) + ')'

    __repr__ = __str__


class BrowsePathTarget(FrozenClass):
    '''
    The target of the translated path.

    :ivar TargetId:
    :vartype TargetId: ExpandedNodeId
    :ivar RemainingPathIndex:
    :vartype RemainingPathIndex: UInt32
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.TargetId = ExpandedNodeId()
        self.RemainingPathIndex = 0
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.TargetId.to_binary())
        packet.append(uatype_UInt32.pack(self.RemainingPathIndex))
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return BrowsePathTarget(data)

    def _binary_init(self, data):
        self.TargetId = ExpandedNodeId.from_binary(data)
        self.RemainingPathIndex = uatype_UInt32.unpack(data.read(4))[0]

    def __str__(self):
        return 'BrowsePathTarget(' + 'TargetId:' + str(self.TargetId) + ', ' + \
               'RemainingPathIndex:' + str(self.RemainingPathIndex) + ')'

    __repr__ = __str__


class BrowsePathResult(FrozenClass):
    '''
    The result of a translate opearation.

    :ivar StatusCode:
    :vartype StatusCode: StatusCode
    :ivar Targets:
    :vartype Targets: BrowsePathTarget
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.StatusCode = StatusCode()
        self.Targets = []
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.StatusCode.to_binary())
        packet.append(uatype_Int32.pack(len(self.Targets)))
        for fieldname in self.Targets:
            packet.append(fieldname.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return BrowsePathResult(data)

    def _binary_init(self, data):
        self.StatusCode = StatusCode.from_binary(data)
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(BrowsePathTarget.from_binary(data))
        self.Targets = array

    def __str__(self):
        return 'BrowsePathResult(' + 'StatusCode:' + str(self.StatusCode) + ', ' + \
               'Targets:' + str(self.Targets) + ')'

    __repr__ = __str__


class TranslateBrowsePathsToNodeIdsParameters(FrozenClass):
    '''
    :ivar BrowsePaths:
    :vartype BrowsePaths: BrowsePath
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.BrowsePaths = []
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(uatype_Int32.pack(len(self.BrowsePaths)))
        for fieldname in self.BrowsePaths:
            packet.append(fieldname.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return TranslateBrowsePathsToNodeIdsParameters(data)

    def _binary_init(self, data):
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(BrowsePath.from_binary(data))
        self.BrowsePaths = array

    def __str__(self):
        return 'TranslateBrowsePathsToNodeIdsParameters(' + 'BrowsePaths:' + str(self.BrowsePaths) + ')'

    __repr__ = __str__


class TranslateBrowsePathsToNodeIdsRequest(FrozenClass):
    '''
    Translates one or more paths in the server address space.

    :ivar TypeId:
    :vartype TypeId: NodeId
    :ivar RequestHeader:
    :vartype RequestHeader: RequestHeader
    :ivar Parameters:
    :vartype Parameters: TranslateBrowsePathsToNodeIdsParameters
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.TypeId = FourByteNodeId(ObjectIds.TranslateBrowsePathsToNodeIdsRequest_Encoding_DefaultBinary)
        self.RequestHeader = RequestHeader()
        self.Parameters = TranslateBrowsePathsToNodeIdsParameters()
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.TypeId.to_binary())
        packet.append(self.RequestHeader.to_binary())
        packet.append(self.Parameters.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return TranslateBrowsePathsToNodeIdsRequest(data)

    def _binary_init(self, data):
        self.TypeId = NodeId.from_binary(data)
        self.RequestHeader = RequestHeader.from_binary(data)
        self.Parameters = TranslateBrowsePathsToNodeIdsParameters.from_binary(data)

    def __str__(self):
        return 'TranslateBrowsePathsToNodeIdsRequest(' + 'TypeId:' + str(self.TypeId) + ', ' + \
               'RequestHeader:' + str(self.RequestHeader) + ', ' + \
               'Parameters:' + str(self.Parameters) + ')'

    __repr__ = __str__


class TranslateBrowsePathsToNodeIdsResponse(FrozenClass):
    '''
    Translates one or more paths in the server address space.

    :ivar TypeId:
    :vartype TypeId: NodeId
    :ivar ResponseHeader:
    :vartype ResponseHeader: ResponseHeader
    :ivar Results:
    :vartype Results: BrowsePathResult
    :ivar DiagnosticInfos:
    :vartype DiagnosticInfos: DiagnosticInfo
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.TypeId = FourByteNodeId(ObjectIds.TranslateBrowsePathsToNodeIdsResponse_Encoding_DefaultBinary)
        self.ResponseHeader = ResponseHeader()
        self.Results = []
        self.DiagnosticInfos = []
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.TypeId.to_binary())
        packet.append(self.ResponseHeader.to_binary())
        packet.append(uatype_Int32.pack(len(self.Results)))
        for fieldname in self.Results:
            packet.append(fieldname.to_binary())
        packet.append(uatype_Int32.pack(len(self.DiagnosticInfos)))
        for fieldname in self.DiagnosticInfos:
            packet.append(fieldname.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return TranslateBrowsePathsToNodeIdsResponse(data)

    def _binary_init(self, data):
        self.TypeId = NodeId.from_binary(data)
        self.ResponseHeader = ResponseHeader.from_binary(data)
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(BrowsePathResult.from_binary(data))
        self.Results = array
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(DiagnosticInfo.from_binary(data))
        self.DiagnosticInfos = array

    def __str__(self):
        return 'TranslateBrowsePathsToNodeIdsResponse(' + 'TypeId:' + str(self.TypeId) + ', ' + \
               'ResponseHeader:' + str(self.ResponseHeader) + ', ' + \
               'Results:' + str(self.Results) + ', ' + \
               'DiagnosticInfos:' + str(self.DiagnosticInfos) + ')'

    __repr__ = __str__


class RegisterNodesParameters(FrozenClass):
    '''
    :ivar NodesToRegister:
    :vartype NodesToRegister: NodeId
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.NodesToRegister = []
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(uatype_Int32.pack(len(self.NodesToRegister)))
        for fieldname in self.NodesToRegister:
            packet.append(fieldname.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return RegisterNodesParameters(data)

    def _binary_init(self, data):
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(NodeId.from_binary(data))
        self.NodesToRegister = array

    def __str__(self):
        return 'RegisterNodesParameters(' + 'NodesToRegister:' + str(self.NodesToRegister) + ')'

    __repr__ = __str__


class RegisterNodesRequest(FrozenClass):
    '''
    Registers one or more nodes for repeated use within a session.

    :ivar TypeId:
    :vartype TypeId: NodeId
    :ivar RequestHeader:
    :vartype RequestHeader: RequestHeader
    :ivar Parameters:
    :vartype Parameters: RegisterNodesParameters
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.TypeId = FourByteNodeId(ObjectIds.RegisterNodesRequest_Encoding_DefaultBinary)
        self.RequestHeader = RequestHeader()
        self.Parameters = RegisterNodesParameters()
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.TypeId.to_binary())
        packet.append(self.RequestHeader.to_binary())
        packet.append(self.Parameters.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return RegisterNodesRequest(data)

    def _binary_init(self, data):
        self.TypeId = NodeId.from_binary(data)
        self.RequestHeader = RequestHeader.from_binary(data)
        self.Parameters = RegisterNodesParameters.from_binary(data)

    def __str__(self):
        return 'RegisterNodesRequest(' + 'TypeId:' + str(self.TypeId) + ', ' + \
               'RequestHeader:' + str(self.RequestHeader) + ', ' + \
               'Parameters:' + str(self.Parameters) + ')'

    __repr__ = __str__


class RegisterNodesResult(FrozenClass):
    '''
    :ivar RegisteredNodeIds:
    :vartype RegisteredNodeIds: NodeId
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.RegisteredNodeIds = []
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(uatype_Int32.pack(len(self.RegisteredNodeIds)))
        for fieldname in self.RegisteredNodeIds:
            packet.append(fieldname.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return RegisterNodesResult(data)

    def _binary_init(self, data):
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(NodeId.from_binary(data))
        self.RegisteredNodeIds = array

    def __str__(self):
        return 'RegisterNodesResult(' + 'RegisteredNodeIds:' + str(self.RegisteredNodeIds) + ')'

    __repr__ = __str__


class RegisterNodesResponse(FrozenClass):
    '''
    Registers one or more nodes for repeated use within a session.

    :ivar TypeId:
    :vartype TypeId: NodeId
    :ivar ResponseHeader:
    :vartype ResponseHeader: ResponseHeader
    :ivar Parameters:
    :vartype Parameters: RegisterNodesResult
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.TypeId = FourByteNodeId(ObjectIds.RegisterNodesResponse_Encoding_DefaultBinary)
        self.ResponseHeader = ResponseHeader()
        self.Parameters = RegisterNodesResult()
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.TypeId.to_binary())
        packet.append(self.ResponseHeader.to_binary())
        packet.append(self.Parameters.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return RegisterNodesResponse(data)

    def _binary_init(self, data):
        self.TypeId = NodeId.from_binary(data)
        self.ResponseHeader = ResponseHeader.from_binary(data)
        self.Parameters = RegisterNodesResult.from_binary(data)

    def __str__(self):
        return 'RegisterNodesResponse(' + 'TypeId:' + str(self.TypeId) + ', ' + \
               'ResponseHeader:' + str(self.ResponseHeader) + ', ' + \
               'Parameters:' + str(self.Parameters) + ')'

    __repr__ = __str__


class UnregisterNodesParameters(FrozenClass):
    '''
    :ivar NodesToUnregister:
    :vartype NodesToUnregister: NodeId
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.NodesToUnregister = []
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(uatype_Int32.pack(len(self.NodesToUnregister)))
        for fieldname in self.NodesToUnregister:
            packet.append(fieldname.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return UnregisterNodesParameters(data)

    def _binary_init(self, data):
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(NodeId.from_binary(data))
        self.NodesToUnregister = array

    def __str__(self):
        return 'UnregisterNodesParameters(' + 'NodesToUnregister:' + str(self.NodesToUnregister) + ')'

    __repr__ = __str__


class UnregisterNodesRequest(FrozenClass):
    '''
    Unregisters one or more previously registered nodes.

    :ivar TypeId:
    :vartype TypeId: NodeId
    :ivar RequestHeader:
    :vartype RequestHeader: RequestHeader
    :ivar Parameters:
    :vartype Parameters: UnregisterNodesParameters
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.TypeId = FourByteNodeId(ObjectIds.UnregisterNodesRequest_Encoding_DefaultBinary)
        self.RequestHeader = RequestHeader()
        self.Parameters = UnregisterNodesParameters()
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.TypeId.to_binary())
        packet.append(self.RequestHeader.to_binary())
        packet.append(self.Parameters.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return UnregisterNodesRequest(data)

    def _binary_init(self, data):
        self.TypeId = NodeId.from_binary(data)
        self.RequestHeader = RequestHeader.from_binary(data)
        self.Parameters = UnregisterNodesParameters.from_binary(data)

    def __str__(self):
        return 'UnregisterNodesRequest(' + 'TypeId:' + str(self.TypeId) + ', ' + \
               'RequestHeader:' + str(self.RequestHeader) + ', ' + \
               'Parameters:' + str(self.Parameters) + ')'

    __repr__ = __str__


class UnregisterNodesResponse(FrozenClass):
    '''
    Unregisters one or more previously registered nodes.

    :ivar TypeId:
    :vartype TypeId: NodeId
    :ivar ResponseHeader:
    :vartype ResponseHeader: ResponseHeader
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.TypeId = FourByteNodeId(ObjectIds.UnregisterNodesResponse_Encoding_DefaultBinary)
        self.ResponseHeader = ResponseHeader()
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.TypeId.to_binary())
        packet.append(self.ResponseHeader.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return UnregisterNodesResponse(data)

    def _binary_init(self, data):
        self.TypeId = NodeId.from_binary(data)
        self.ResponseHeader = ResponseHeader.from_binary(data)

    def __str__(self):
        return 'UnregisterNodesResponse(' + 'TypeId:' + str(self.TypeId) + ', ' + \
               'ResponseHeader:' + str(self.ResponseHeader) + ')'

    __repr__ = __str__


class EndpointConfiguration(FrozenClass):
    '''
    :ivar OperationTimeout:
    :vartype OperationTimeout: Int32
    :ivar UseBinaryEncoding:
    :vartype UseBinaryEncoding: Boolean
    :ivar MaxStringLength:
    :vartype MaxStringLength: Int32
    :ivar MaxByteStringLength:
    :vartype MaxByteStringLength: Int32
    :ivar MaxArrayLength:
    :vartype MaxArrayLength: Int32
    :ivar MaxMessageSize:
    :vartype MaxMessageSize: Int32
    :ivar MaxBufferSize:
    :vartype MaxBufferSize: Int32
    :ivar ChannelLifetime:
    :vartype ChannelLifetime: Int32
    :ivar SecurityTokenLifetime:
    :vartype SecurityTokenLifetime: Int32
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.OperationTimeout = 0
        self.UseBinaryEncoding = True
        self.MaxStringLength = 0
        self.MaxByteStringLength = 0
        self.MaxArrayLength = 0
        self.MaxMessageSize = 0
        self.MaxBufferSize = 0
        self.ChannelLifetime = 0
        self.SecurityTokenLifetime = 0
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(uatype_Int32.pack(self.OperationTimeout))
        packet.append(uatype_Boolean.pack(self.UseBinaryEncoding))
        packet.append(uatype_Int32.pack(self.MaxStringLength))
        packet.append(uatype_Int32.pack(self.MaxByteStringLength))
        packet.append(uatype_Int32.pack(self.MaxArrayLength))
        packet.append(uatype_Int32.pack(self.MaxMessageSize))
        packet.append(uatype_Int32.pack(self.MaxBufferSize))
        packet.append(uatype_Int32.pack(self.ChannelLifetime))
        packet.append(uatype_Int32.pack(self.SecurityTokenLifetime))
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return EndpointConfiguration(data)

    def _binary_init(self, data):
        self.OperationTimeout = uatype_Int32.unpack(data.read(4))[0]
        self.UseBinaryEncoding = uatype_Boolean.unpack(data.read(1))[0]
        self.MaxStringLength = uatype_Int32.unpack(data.read(4))[0]
        self.MaxByteStringLength = uatype_Int32.unpack(data.read(4))[0]
        self.MaxArrayLength = uatype_Int32.unpack(data.read(4))[0]
        self.MaxMessageSize = uatype_Int32.unpack(data.read(4))[0]
        self.MaxBufferSize = uatype_Int32.unpack(data.read(4))[0]
        self.ChannelLifetime = uatype_Int32.unpack(data.read(4))[0]
        self.SecurityTokenLifetime = uatype_Int32.unpack(data.read(4))[0]

    def __str__(self):
        return 'EndpointConfiguration(' + 'OperationTimeout:' + str(self.OperationTimeout) + ', ' + \
               'UseBinaryEncoding:' + str(self.UseBinaryEncoding) + ', ' + \
               'MaxStringLength:' + str(self.MaxStringLength) + ', ' + \
               'MaxByteStringLength:' + str(self.MaxByteStringLength) + ', ' + \
               'MaxArrayLength:' + str(self.MaxArrayLength) + ', ' + \
               'MaxMessageSize:' + str(self.MaxMessageSize) + ', ' + \
               'MaxBufferSize:' + str(self.MaxBufferSize) + ', ' + \
               'ChannelLifetime:' + str(self.ChannelLifetime) + ', ' + \
               'SecurityTokenLifetime:' + str(self.SecurityTokenLifetime) + ')'

    __repr__ = __str__


class SupportedProfile(FrozenClass):
    '''
    :ivar OrganizationUri:
    :vartype OrganizationUri: String
    :ivar ProfileId:
    :vartype ProfileId: String
    :ivar ComplianceTool:
    :vartype ComplianceTool: String
    :ivar ComplianceDate:
    :vartype ComplianceDate: DateTime
    :ivar ComplianceLevel:
    :vartype ComplianceLevel: ComplianceLevel
    :ivar UnsupportedUnitIds:
    :vartype UnsupportedUnitIds: String
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.OrganizationUri = ''
        self.ProfileId = ''
        self.ComplianceTool = ''
        self.ComplianceDate = datetime.now()
        self.ComplianceLevel = ComplianceLevel(0)
        self.UnsupportedUnitIds = []
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(pack_string(self.OrganizationUri))
        packet.append(pack_string(self.ProfileId))
        packet.append(pack_string(self.ComplianceTool))
        packet.append(pack_datetime(self.ComplianceDate))
        packet.append(uatype_UInt32.pack(self.ComplianceLevel.value))
        packet.append(uatype_Int32.pack(len(self.UnsupportedUnitIds)))
        for fieldname in self.UnsupportedUnitIds:
            packet.append(pack_string(fieldname))
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return SupportedProfile(data)

    def _binary_init(self, data):
        self.OrganizationUri = unpack_string(data)
        self.ProfileId = unpack_string(data)
        self.ComplianceTool = unpack_string(data)
        self.ComplianceDate = unpack_datetime(data)
        self.ComplianceLevel = ComplianceLevel(uatype_UInt32.unpack(data.read(4))[0])
        self.UnsupportedUnitIds = unpack_uatype_array('String', data)

    def __str__(self):
        return 'SupportedProfile(' + 'OrganizationUri:' + str(self.OrganizationUri) + ', ' + \
               'ProfileId:' + str(self.ProfileId) + ', ' + \
               'ComplianceTool:' + str(self.ComplianceTool) + ', ' + \
               'ComplianceDate:' + str(self.ComplianceDate) + ', ' + \
               'ComplianceLevel:' + str(self.ComplianceLevel) + ', ' + \
               'UnsupportedUnitIds:' + str(self.UnsupportedUnitIds) + ')'

    __repr__ = __str__


class SoftwareCertificate(FrozenClass):
    '''
    :ivar ProductName:
    :vartype ProductName: String
    :ivar ProductUri:
    :vartype ProductUri: String
    :ivar VendorName:
    :vartype VendorName: String
    :ivar VendorProductCertificate:
    :vartype VendorProductCertificate: ByteString
    :ivar SoftwareVersion:
    :vartype SoftwareVersion: String
    :ivar BuildNumber:
    :vartype BuildNumber: String
    :ivar BuildDate:
    :vartype BuildDate: DateTime
    :ivar IssuedBy:
    :vartype IssuedBy: String
    :ivar IssueDate:
    :vartype IssueDate: DateTime
    :ivar SupportedProfiles:
    :vartype SupportedProfiles: SupportedProfile
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.ProductName = ''
        self.ProductUri = ''
        self.VendorName = ''
        self.VendorProductCertificate = b''
        self.SoftwareVersion = ''
        self.BuildNumber = ''
        self.BuildDate = datetime.now()
        self.IssuedBy = ''
        self.IssueDate = datetime.now()
        self.SupportedProfiles = []
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(pack_string(self.ProductName))
        packet.append(pack_string(self.ProductUri))
        packet.append(pack_string(self.VendorName))
        packet.append(pack_bytes(self.VendorProductCertificate))
        packet.append(pack_string(self.SoftwareVersion))
        packet.append(pack_string(self.BuildNumber))
        packet.append(pack_datetime(self.BuildDate))
        packet.append(pack_string(self.IssuedBy))
        packet.append(pack_datetime(self.IssueDate))
        packet.append(uatype_Int32.pack(len(self.SupportedProfiles)))
        for fieldname in self.SupportedProfiles:
            packet.append(fieldname.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return SoftwareCertificate(data)

    def _binary_init(self, data):
        self.ProductName = unpack_string(data)
        self.ProductUri = unpack_string(data)
        self.VendorName = unpack_string(data)
        self.VendorProductCertificate = unpack_bytes(data)
        self.SoftwareVersion = unpack_string(data)
        self.BuildNumber = unpack_string(data)
        self.BuildDate = unpack_datetime(data)
        self.IssuedBy = unpack_string(data)
        self.IssueDate = unpack_datetime(data)
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(SupportedProfile.from_binary(data))
        self.SupportedProfiles = array

    def __str__(self):
        return 'SoftwareCertificate(' + 'ProductName:' + str(self.ProductName) + ', ' + \
               'ProductUri:' + str(self.ProductUri) + ', ' + \
               'VendorName:' + str(self.VendorName) + ', ' + \
               'VendorProductCertificate:' + str(self.VendorProductCertificate) + ', ' + \
               'SoftwareVersion:' + str(self.SoftwareVersion) + ', ' + \
               'BuildNumber:' + str(self.BuildNumber) + ', ' + \
               'BuildDate:' + str(self.BuildDate) + ', ' + \
               'IssuedBy:' + str(self.IssuedBy) + ', ' + \
               'IssueDate:' + str(self.IssueDate) + ', ' + \
               'SupportedProfiles:' + str(self.SupportedProfiles) + ')'

    __repr__ = __str__


class QueryDataDescription(FrozenClass):
    '''
    :ivar RelativePath:
    :vartype RelativePath: RelativePath
    :ivar AttributeId:
    :vartype AttributeId: UInt32
    :ivar IndexRange:
    :vartype IndexRange: String
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.RelativePath = RelativePath()
        self.AttributeId = 0
        self.IndexRange = ''
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.RelativePath.to_binary())
        packet.append(uatype_UInt32.pack(self.AttributeId))
        packet.append(pack_string(self.IndexRange))
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return QueryDataDescription(data)

    def _binary_init(self, data):
        self.RelativePath = RelativePath.from_binary(data)
        self.AttributeId = uatype_UInt32.unpack(data.read(4))[0]
        self.IndexRange = unpack_string(data)

    def __str__(self):
        return 'QueryDataDescription(' + 'RelativePath:' + str(self.RelativePath) + ', ' + \
               'AttributeId:' + str(self.AttributeId) + ', ' + \
               'IndexRange:' + str(self.IndexRange) + ')'

    __repr__ = __str__


class NodeTypeDescription(FrozenClass):
    '''
    :ivar TypeDefinitionNode:
    :vartype TypeDefinitionNode: ExpandedNodeId
    :ivar IncludeSubTypes:
    :vartype IncludeSubTypes: Boolean
    :ivar DataToReturn:
    :vartype DataToReturn: QueryDataDescription
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.TypeDefinitionNode = ExpandedNodeId()
        self.IncludeSubTypes = True
        self.DataToReturn = []
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.TypeDefinitionNode.to_binary())
        packet.append(uatype_Boolean.pack(self.IncludeSubTypes))
        packet.append(uatype_Int32.pack(len(self.DataToReturn)))
        for fieldname in self.DataToReturn:
            packet.append(fieldname.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return NodeTypeDescription(data)

    def _binary_init(self, data):
        self.TypeDefinitionNode = ExpandedNodeId.from_binary(data)
        self.IncludeSubTypes = uatype_Boolean.unpack(data.read(1))[0]
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(QueryDataDescription.from_binary(data))
        self.DataToReturn = array

    def __str__(self):
        return 'NodeTypeDescription(' + 'TypeDefinitionNode:' + str(self.TypeDefinitionNode) + ', ' + \
               'IncludeSubTypes:' + str(self.IncludeSubTypes) + ', ' + \
               'DataToReturn:' + str(self.DataToReturn) + ')'

    __repr__ = __str__


class QueryDataSet(FrozenClass):
    '''
    :ivar NodeId:
    :vartype NodeId: ExpandedNodeId
    :ivar TypeDefinitionNode:
    :vartype TypeDefinitionNode: ExpandedNodeId
    :ivar Values:
    :vartype Values: Variant
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.NodeId = ExpandedNodeId()
        self.TypeDefinitionNode = ExpandedNodeId()
        self.Values = []
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.NodeId.to_binary())
        packet.append(self.TypeDefinitionNode.to_binary())
        packet.append(uatype_Int32.pack(len(self.Values)))
        for fieldname in self.Values:
            packet.append(fieldname.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return QueryDataSet(data)

    def _binary_init(self, data):
        self.NodeId = ExpandedNodeId.from_binary(data)
        self.TypeDefinitionNode = ExpandedNodeId.from_binary(data)
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(Variant.from_binary(data))
        self.Values = array

    def __str__(self):
        return 'QueryDataSet(' + 'NodeId:' + str(self.NodeId) + ', ' + \
               'TypeDefinitionNode:' + str(self.TypeDefinitionNode) + ', ' + \
               'Values:' + str(self.Values) + ')'

    __repr__ = __str__


class NodeReference(FrozenClass):
    '''
    :ivar NodeId:
    :vartype NodeId: NodeId
    :ivar ReferenceTypeId:
    :vartype ReferenceTypeId: NodeId
    :ivar IsForward:
    :vartype IsForward: Boolean
    :ivar ReferencedNodeIds:
    :vartype ReferencedNodeIds: NodeId
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.NodeId = NodeId()
        self.ReferenceTypeId = NodeId()
        self.IsForward = True
        self.ReferencedNodeIds = []
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.NodeId.to_binary())
        packet.append(self.ReferenceTypeId.to_binary())
        packet.append(uatype_Boolean.pack(self.IsForward))
        packet.append(uatype_Int32.pack(len(self.ReferencedNodeIds)))
        for fieldname in self.ReferencedNodeIds:
            packet.append(fieldname.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return NodeReference(data)

    def _binary_init(self, data):
        self.NodeId = NodeId.from_binary(data)
        self.ReferenceTypeId = NodeId.from_binary(data)
        self.IsForward = uatype_Boolean.unpack(data.read(1))[0]
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(NodeId.from_binary(data))
        self.ReferencedNodeIds = array

    def __str__(self):
        return 'NodeReference(' + 'NodeId:' + str(self.NodeId) + ', ' + \
               'ReferenceTypeId:' + str(self.ReferenceTypeId) + ', ' + \
               'IsForward:' + str(self.IsForward) + ', ' + \
               'ReferencedNodeIds:' + str(self.ReferencedNodeIds) + ')'

    __repr__ = __str__


class ContentFilterElement(FrozenClass):
    '''
    :ivar FilterOperator:
    :vartype FilterOperator: FilterOperator
    :ivar FilterOperands:
    :vartype FilterOperands: ExtensionObject
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.FilterOperator = FilterOperator(0)
        self.FilterOperands = []
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(uatype_UInt32.pack(self.FilterOperator.value))
        packet.append(uatype_Int32.pack(len(self.FilterOperands)))
        for fieldname in self.FilterOperands:
            packet.append(extensionobject_to_binary(fieldname))
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return ContentFilterElement(data)

    def _binary_init(self, data):
        self.FilterOperator = FilterOperator(uatype_UInt32.unpack(data.read(4))[0])
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(extensionobject_from_binary(data))
        self.FilterOperands = array

    def __str__(self):
        return 'ContentFilterElement(' + 'FilterOperator:' + str(self.FilterOperator) + ', ' + \
               'FilterOperands:' + str(self.FilterOperands) + ')'

    __repr__ = __str__


class ContentFilter(FrozenClass):
    '''
    :ivar Elements:
    :vartype Elements: ContentFilterElement
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.Elements = []
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(uatype_Int32.pack(len(self.Elements)))
        for fieldname in self.Elements:
            packet.append(fieldname.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return ContentFilter(data)

    def _binary_init(self, data):
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(ContentFilterElement.from_binary(data))
        self.Elements = array

    def __str__(self):
        return 'ContentFilter(' + 'Elements:' + str(self.Elements) + ')'

    __repr__ = __str__


class ElementOperand(FrozenClass):
    '''
    :ivar Index:
    :vartype Index: UInt32
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.Index = 0
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(uatype_UInt32.pack(self.Index))
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return ElementOperand(data)

    def _binary_init(self, data):
        self.Index = uatype_UInt32.unpack(data.read(4))[0]

    def __str__(self):
        return 'ElementOperand(' + 'Index:' + str(self.Index) + ')'

    __repr__ = __str__


class LiteralOperand(FrozenClass):
    '''
    :ivar Value:
    :vartype Value: Variant
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.Value = Variant()
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.Value.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return LiteralOperand(data)

    def _binary_init(self, data):
        self.Value = Variant.from_binary(data)

    def __str__(self):
        return 'LiteralOperand(' + 'Value:' + str(self.Value) + ')'

    __repr__ = __str__


class AttributeOperand(FrozenClass):
    '''
    :ivar NodeId:
    :vartype NodeId: NodeId
    :ivar Alias:
    :vartype Alias: String
    :ivar BrowsePath:
    :vartype BrowsePath: RelativePath
    :ivar AttributeId:
    :vartype AttributeId: UInt32
    :ivar IndexRange:
    :vartype IndexRange: String
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.NodeId = NodeId()
        self.Alias = ''
        self.BrowsePath = RelativePath()
        self.AttributeId = 0
        self.IndexRange = ''
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.NodeId.to_binary())
        packet.append(pack_string(self.Alias))
        packet.append(self.BrowsePath.to_binary())
        packet.append(uatype_UInt32.pack(self.AttributeId))
        packet.append(pack_string(self.IndexRange))
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return AttributeOperand(data)

    def _binary_init(self, data):
        self.NodeId = NodeId.from_binary(data)
        self.Alias = unpack_string(data)
        self.BrowsePath = RelativePath.from_binary(data)
        self.AttributeId = uatype_UInt32.unpack(data.read(4))[0]
        self.IndexRange = unpack_string(data)

    def __str__(self):
        return 'AttributeOperand(' + 'NodeId:' + str(self.NodeId) + ', ' + \
               'Alias:' + str(self.Alias) + ', ' + \
               'BrowsePath:' + str(self.BrowsePath) + ', ' + \
               'AttributeId:' + str(self.AttributeId) + ', ' + \
               'IndexRange:' + str(self.IndexRange) + ')'

    __repr__ = __str__


class SimpleAttributeOperand(FrozenClass):
    '''
    :ivar TypeDefinitionId:
    :vartype TypeDefinitionId: NodeId
    :ivar BrowsePath:
    :vartype BrowsePath: QualifiedName
    :ivar AttributeId:
    :vartype AttributeId: UInt32
    :ivar IndexRange:
    :vartype IndexRange: String
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.TypeDefinitionId = NodeId()
        self.BrowsePath = []
        self.AttributeId = 0
        self.IndexRange = ''
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.TypeDefinitionId.to_binary())
        packet.append(uatype_Int32.pack(len(self.BrowsePath)))
        for fieldname in self.BrowsePath:
            packet.append(fieldname.to_binary())
        packet.append(uatype_UInt32.pack(self.AttributeId))
        packet.append(pack_string(self.IndexRange))
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return SimpleAttributeOperand(data)

    def _binary_init(self, data):
        self.TypeDefinitionId = NodeId.from_binary(data)
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(QualifiedName.from_binary(data))
        self.BrowsePath = array
        self.AttributeId = uatype_UInt32.unpack(data.read(4))[0]
        self.IndexRange = unpack_string(data)

    def __str__(self):
        return 'SimpleAttributeOperand(' + 'TypeDefinitionId:' + str(self.TypeDefinitionId) + ', ' + \
               'BrowsePath:' + str(self.BrowsePath) + ', ' + \
               'AttributeId:' + str(self.AttributeId) + ', ' + \
               'IndexRange:' + str(self.IndexRange) + ')'

    __repr__ = __str__


class ContentFilterElementResult(FrozenClass):
    '''
    :ivar StatusCode:
    :vartype StatusCode: StatusCode
    :ivar OperandStatusCodes:
    :vartype OperandStatusCodes: StatusCode
    :ivar OperandDiagnosticInfos:
    :vartype OperandDiagnosticInfos: DiagnosticInfo
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.StatusCode = StatusCode()
        self.OperandStatusCodes = []
        self.OperandDiagnosticInfos = []
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.StatusCode.to_binary())
        packet.append(uatype_Int32.pack(len(self.OperandStatusCodes)))
        for fieldname in self.OperandStatusCodes:
            packet.append(fieldname.to_binary())
        packet.append(uatype_Int32.pack(len(self.OperandDiagnosticInfos)))
        for fieldname in self.OperandDiagnosticInfos:
            packet.append(fieldname.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return ContentFilterElementResult(data)

    def _binary_init(self, data):
        self.StatusCode = StatusCode.from_binary(data)
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(StatusCode.from_binary(data))
        self.OperandStatusCodes = array
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(DiagnosticInfo.from_binary(data))
        self.OperandDiagnosticInfos = array

    def __str__(self):
        return 'ContentFilterElementResult(' + 'StatusCode:' + str(self.StatusCode) + ', ' + \
               'OperandStatusCodes:' + str(self.OperandStatusCodes) + ', ' + \
               'OperandDiagnosticInfos:' + str(self.OperandDiagnosticInfos) + ')'

    __repr__ = __str__


class ContentFilterResult(FrozenClass):
    '''
    :ivar ElementResults:
    :vartype ElementResults: ContentFilterElementResult
    :ivar ElementDiagnosticInfos:
    :vartype ElementDiagnosticInfos: DiagnosticInfo
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.ElementResults = []
        self.ElementDiagnosticInfos = []
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(uatype_Int32.pack(len(self.ElementResults)))
        for fieldname in self.ElementResults:
            packet.append(fieldname.to_binary())
        packet.append(uatype_Int32.pack(len(self.ElementDiagnosticInfos)))
        for fieldname in self.ElementDiagnosticInfos:
            packet.append(fieldname.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return ContentFilterResult(data)

    def _binary_init(self, data):
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(ContentFilterElementResult.from_binary(data))
        self.ElementResults = array
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(DiagnosticInfo.from_binary(data))
        self.ElementDiagnosticInfos = array

    def __str__(self):
        return 'ContentFilterResult(' + 'ElementResults:' + str(self.ElementResults) + ', ' + \
               'ElementDiagnosticInfos:' + str(self.ElementDiagnosticInfos) + ')'

    __repr__ = __str__


class ParsingResult(FrozenClass):
    '''
    :ivar StatusCode:
    :vartype StatusCode: StatusCode
    :ivar DataStatusCodes:
    :vartype DataStatusCodes: StatusCode
    :ivar DataDiagnosticInfos:
    :vartype DataDiagnosticInfos: DiagnosticInfo
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.StatusCode = StatusCode()
        self.DataStatusCodes = []
        self.DataDiagnosticInfos = []
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.StatusCode.to_binary())
        packet.append(uatype_Int32.pack(len(self.DataStatusCodes)))
        for fieldname in self.DataStatusCodes:
            packet.append(fieldname.to_binary())
        packet.append(uatype_Int32.pack(len(self.DataDiagnosticInfos)))
        for fieldname in self.DataDiagnosticInfos:
            packet.append(fieldname.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return ParsingResult(data)

    def _binary_init(self, data):
        self.StatusCode = StatusCode.from_binary(data)
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(StatusCode.from_binary(data))
        self.DataStatusCodes = array
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(DiagnosticInfo.from_binary(data))
        self.DataDiagnosticInfos = array

    def __str__(self):
        return 'ParsingResult(' + 'StatusCode:' + str(self.StatusCode) + ', ' + \
               'DataStatusCodes:' + str(self.DataStatusCodes) + ', ' + \
               'DataDiagnosticInfos:' + str(self.DataDiagnosticInfos) + ')'

    __repr__ = __str__


class QueryFirstParameters(FrozenClass):
    '''
    :ivar View:
    :vartype View: ViewDescription
    :ivar NodeTypes:
    :vartype NodeTypes: NodeTypeDescription
    :ivar Filter:
    :vartype Filter: ContentFilter
    :ivar MaxDataSetsToReturn:
    :vartype MaxDataSetsToReturn: UInt32
    :ivar MaxReferencesToReturn:
    :vartype MaxReferencesToReturn: UInt32
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.View = ViewDescription()
        self.NodeTypes = []
        self.Filter = ContentFilter()
        self.MaxDataSetsToReturn = 0
        self.MaxReferencesToReturn = 0
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.View.to_binary())
        packet.append(uatype_Int32.pack(len(self.NodeTypes)))
        for fieldname in self.NodeTypes:
            packet.append(fieldname.to_binary())
        packet.append(self.Filter.to_binary())
        packet.append(uatype_UInt32.pack(self.MaxDataSetsToReturn))
        packet.append(uatype_UInt32.pack(self.MaxReferencesToReturn))
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return QueryFirstParameters(data)

    def _binary_init(self, data):
        self.View = ViewDescription.from_binary(data)
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(NodeTypeDescription.from_binary(data))
        self.NodeTypes = array
        self.Filter = ContentFilter.from_binary(data)
        self.MaxDataSetsToReturn = uatype_UInt32.unpack(data.read(4))[0]
        self.MaxReferencesToReturn = uatype_UInt32.unpack(data.read(4))[0]

    def __str__(self):
        return 'QueryFirstParameters(' + 'View:' + str(self.View) + ', ' + \
               'NodeTypes:' + str(self.NodeTypes) + ', ' + \
               'Filter:' + str(self.Filter) + ', ' + \
               'MaxDataSetsToReturn:' + str(self.MaxDataSetsToReturn) + ', ' + \
               'MaxReferencesToReturn:' + str(self.MaxReferencesToReturn) + ')'

    __repr__ = __str__


class QueryFirstRequest(FrozenClass):
    '''
    :ivar TypeId:
    :vartype TypeId: NodeId
    :ivar RequestHeader:
    :vartype RequestHeader: RequestHeader
    :ivar Parameters:
    :vartype Parameters: QueryFirstParameters
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.TypeId = FourByteNodeId(ObjectIds.QueryFirstRequest_Encoding_DefaultBinary)
        self.RequestHeader = RequestHeader()
        self.Parameters = QueryFirstParameters()
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.TypeId.to_binary())
        packet.append(self.RequestHeader.to_binary())
        packet.append(self.Parameters.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return QueryFirstRequest(data)

    def _binary_init(self, data):
        self.TypeId = NodeId.from_binary(data)
        self.RequestHeader = RequestHeader.from_binary(data)
        self.Parameters = QueryFirstParameters.from_binary(data)

    def __str__(self):
        return 'QueryFirstRequest(' + 'TypeId:' + str(self.TypeId) + ', ' + \
               'RequestHeader:' + str(self.RequestHeader) + ', ' + \
               'Parameters:' + str(self.Parameters) + ')'

    __repr__ = __str__


class QueryFirstResult(FrozenClass):
    '''
    :ivar QueryDataSets:
    :vartype QueryDataSets: QueryDataSet
    :ivar ContinuationPoint:
    :vartype ContinuationPoint: ByteString
    :ivar ParsingResults:
    :vartype ParsingResults: ParsingResult
    :ivar DiagnosticInfos:
    :vartype DiagnosticInfos: DiagnosticInfo
    :ivar FilterResult:
    :vartype FilterResult: ContentFilterResult
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.QueryDataSets = []
        self.ContinuationPoint = b''
        self.ParsingResults = []
        self.DiagnosticInfos = []
        self.FilterResult = ContentFilterResult()
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(uatype_Int32.pack(len(self.QueryDataSets)))
        for fieldname in self.QueryDataSets:
            packet.append(fieldname.to_binary())
        packet.append(pack_bytes(self.ContinuationPoint))
        packet.append(uatype_Int32.pack(len(self.ParsingResults)))
        for fieldname in self.ParsingResults:
            packet.append(fieldname.to_binary())
        packet.append(uatype_Int32.pack(len(self.DiagnosticInfos)))
        for fieldname in self.DiagnosticInfos:
            packet.append(fieldname.to_binary())
        packet.append(self.FilterResult.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return QueryFirstResult(data)

    def _binary_init(self, data):
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(QueryDataSet.from_binary(data))
        self.QueryDataSets = array
        self.ContinuationPoint = unpack_bytes(data)
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(ParsingResult.from_binary(data))
        self.ParsingResults = array
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(DiagnosticInfo.from_binary(data))
        self.DiagnosticInfos = array
        self.FilterResult = ContentFilterResult.from_binary(data)

    def __str__(self):
        return 'QueryFirstResult(' + 'QueryDataSets:' + str(self.QueryDataSets) + ', ' + \
               'ContinuationPoint:' + str(self.ContinuationPoint) + ', ' + \
               'ParsingResults:' + str(self.ParsingResults) + ', ' + \
               'DiagnosticInfos:' + str(self.DiagnosticInfos) + ', ' + \
               'FilterResult:' + str(self.FilterResult) + ')'

    __repr__ = __str__


class QueryFirstResponse(FrozenClass):
    '''
    :ivar TypeId:
    :vartype TypeId: NodeId
    :ivar ResponseHeader:
    :vartype ResponseHeader: ResponseHeader
    :ivar Parameters:
    :vartype Parameters: QueryFirstResult
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.TypeId = FourByteNodeId(ObjectIds.QueryFirstResponse_Encoding_DefaultBinary)
        self.ResponseHeader = ResponseHeader()
        self.Parameters = QueryFirstResult()
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.TypeId.to_binary())
        packet.append(self.ResponseHeader.to_binary())
        packet.append(self.Parameters.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return QueryFirstResponse(data)

    def _binary_init(self, data):
        self.TypeId = NodeId.from_binary(data)
        self.ResponseHeader = ResponseHeader.from_binary(data)
        self.Parameters = QueryFirstResult.from_binary(data)

    def __str__(self):
        return 'QueryFirstResponse(' + 'TypeId:' + str(self.TypeId) + ', ' + \
               'ResponseHeader:' + str(self.ResponseHeader) + ', ' + \
               'Parameters:' + str(self.Parameters) + ')'

    __repr__ = __str__


class QueryNextParameters(FrozenClass):
    '''
    :ivar ReleaseContinuationPoint:
    :vartype ReleaseContinuationPoint: Boolean
    :ivar ContinuationPoint:
    :vartype ContinuationPoint: ByteString
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.ReleaseContinuationPoint = True
        self.ContinuationPoint = b''
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(uatype_Boolean.pack(self.ReleaseContinuationPoint))
        packet.append(pack_bytes(self.ContinuationPoint))
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return QueryNextParameters(data)

    def _binary_init(self, data):
        self.ReleaseContinuationPoint = uatype_Boolean.unpack(data.read(1))[0]
        self.ContinuationPoint = unpack_bytes(data)

    def __str__(self):
        return 'QueryNextParameters(' + 'ReleaseContinuationPoint:' + str(self.ReleaseContinuationPoint) + ', ' + \
               'ContinuationPoint:' + str(self.ContinuationPoint) + ')'

    __repr__ = __str__


class QueryNextRequest(FrozenClass):
    '''
    :ivar TypeId:
    :vartype TypeId: NodeId
    :ivar RequestHeader:
    :vartype RequestHeader: RequestHeader
    :ivar Parameters:
    :vartype Parameters: QueryNextParameters
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.TypeId = FourByteNodeId(ObjectIds.QueryNextRequest_Encoding_DefaultBinary)
        self.RequestHeader = RequestHeader()
        self.Parameters = QueryNextParameters()
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.TypeId.to_binary())
        packet.append(self.RequestHeader.to_binary())
        packet.append(self.Parameters.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return QueryNextRequest(data)

    def _binary_init(self, data):
        self.TypeId = NodeId.from_binary(data)
        self.RequestHeader = RequestHeader.from_binary(data)
        self.Parameters = QueryNextParameters.from_binary(data)

    def __str__(self):
        return 'QueryNextRequest(' + 'TypeId:' + str(self.TypeId) + ', ' + \
               'RequestHeader:' + str(self.RequestHeader) + ', ' + \
               'Parameters:' + str(self.Parameters) + ')'

    __repr__ = __str__


class QueryNextResult(FrozenClass):
    '''
    :ivar QueryDataSets:
    :vartype QueryDataSets: QueryDataSet
    :ivar RevisedContinuationPoint:
    :vartype RevisedContinuationPoint: ByteString
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.QueryDataSets = []
        self.RevisedContinuationPoint = b''
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(uatype_Int32.pack(len(self.QueryDataSets)))
        for fieldname in self.QueryDataSets:
            packet.append(fieldname.to_binary())
        packet.append(pack_bytes(self.RevisedContinuationPoint))
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return QueryNextResult(data)

    def _binary_init(self, data):
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(QueryDataSet.from_binary(data))
        self.QueryDataSets = array
        self.RevisedContinuationPoint = unpack_bytes(data)

    def __str__(self):
        return 'QueryNextResult(' + 'QueryDataSets:' + str(self.QueryDataSets) + ', ' + \
               'RevisedContinuationPoint:' + str(self.RevisedContinuationPoint) + ')'

    __repr__ = __str__


class QueryNextResponse(FrozenClass):
    '''
    :ivar TypeId:
    :vartype TypeId: NodeId
    :ivar ResponseHeader:
    :vartype ResponseHeader: ResponseHeader
    :ivar Parameters:
    :vartype Parameters: QueryNextResult
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.TypeId = FourByteNodeId(ObjectIds.QueryNextResponse_Encoding_DefaultBinary)
        self.ResponseHeader = ResponseHeader()
        self.Parameters = QueryNextResult()
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.TypeId.to_binary())
        packet.append(self.ResponseHeader.to_binary())
        packet.append(self.Parameters.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return QueryNextResponse(data)

    def _binary_init(self, data):
        self.TypeId = NodeId.from_binary(data)
        self.ResponseHeader = ResponseHeader.from_binary(data)
        self.Parameters = QueryNextResult.from_binary(data)

    def __str__(self):
        return 'QueryNextResponse(' + 'TypeId:' + str(self.TypeId) + ', ' + \
               'ResponseHeader:' + str(self.ResponseHeader) + ', ' + \
               'Parameters:' + str(self.Parameters) + ')'

    __repr__ = __str__


class ReadValueId(FrozenClass):
    '''
    :ivar NodeId:
    :vartype NodeId: NodeId
    :ivar AttributeId:
    :vartype AttributeId: UInt32
    :ivar IndexRange:
    :vartype IndexRange: String
    :ivar DataEncoding:
    :vartype DataEncoding: QualifiedName
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.NodeId = NodeId()
        self.AttributeId = 0
        self.IndexRange = ''
        self.DataEncoding = QualifiedName()
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.NodeId.to_binary())
        packet.append(uatype_UInt32.pack(self.AttributeId))
        packet.append(pack_string(self.IndexRange))
        packet.append(self.DataEncoding.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return ReadValueId(data)

    def _binary_init(self, data):
        self.NodeId = NodeId.from_binary(data)
        self.AttributeId = uatype_UInt32.unpack(data.read(4))[0]
        self.IndexRange = unpack_string(data)
        self.DataEncoding = QualifiedName.from_binary(data)

    def __str__(self):
        return 'ReadValueId(' + 'NodeId:' + str(self.NodeId) + ', ' + \
               'AttributeId:' + str(self.AttributeId) + ', ' + \
               'IndexRange:' + str(self.IndexRange) + ', ' + \
               'DataEncoding:' + str(self.DataEncoding) + ')'

    __repr__ = __str__


class ReadParameters(FrozenClass):
    '''
    :ivar MaxAge:
    :vartype MaxAge: Double
    :ivar TimestampsToReturn:
    :vartype TimestampsToReturn: TimestampsToReturn
    :ivar NodesToRead:
    :vartype NodesToRead: ReadValueId
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.MaxAge = 0
        self.TimestampsToReturn = TimestampsToReturn(0)
        self.NodesToRead = []
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(uatype_Double.pack(self.MaxAge))
        packet.append(uatype_UInt32.pack(self.TimestampsToReturn.value))
        packet.append(uatype_Int32.pack(len(self.NodesToRead)))
        for fieldname in self.NodesToRead:
            packet.append(fieldname.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return ReadParameters(data)

    def _binary_init(self, data):
        self.MaxAge = uatype_Double.unpack(data.read(8))[0]
        self.TimestampsToReturn = TimestampsToReturn(uatype_UInt32.unpack(data.read(4))[0])
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(ReadValueId.from_binary(data))
        self.NodesToRead = array

    def __str__(self):
        return 'ReadParameters(' + 'MaxAge:' + str(self.MaxAge) + ', ' + \
               'TimestampsToReturn:' + str(self.TimestampsToReturn) + ', ' + \
               'NodesToRead:' + str(self.NodesToRead) + ')'

    __repr__ = __str__


class ReadRequest(FrozenClass):
    '''
    :ivar TypeId:
    :vartype TypeId: NodeId
    :ivar RequestHeader:
    :vartype RequestHeader: RequestHeader
    :ivar Parameters:
    :vartype Parameters: ReadParameters
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.TypeId = FourByteNodeId(ObjectIds.ReadRequest_Encoding_DefaultBinary)
        self.RequestHeader = RequestHeader()
        self.Parameters = ReadParameters()
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.TypeId.to_binary())
        packet.append(self.RequestHeader.to_binary())
        packet.append(self.Parameters.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return ReadRequest(data)

    def _binary_init(self, data):
        self.TypeId = NodeId.from_binary(data)
        self.RequestHeader = RequestHeader.from_binary(data)
        self.Parameters = ReadParameters.from_binary(data)

    def __str__(self):
        return 'ReadRequest(' + 'TypeId:' + str(self.TypeId) + ', ' + \
               'RequestHeader:' + str(self.RequestHeader) + ', ' + \
               'Parameters:' + str(self.Parameters) + ')'

    __repr__ = __str__


class ReadResponse(FrozenClass):
    '''
    :ivar TypeId:
    :vartype TypeId: NodeId
    :ivar ResponseHeader:
    :vartype ResponseHeader: ResponseHeader
    :ivar Results:
    :vartype Results: DataValue
    :ivar DiagnosticInfos:
    :vartype DiagnosticInfos: DiagnosticInfo
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.TypeId = FourByteNodeId(ObjectIds.ReadResponse_Encoding_DefaultBinary)
        self.ResponseHeader = ResponseHeader()
        self.Results = []
        self.DiagnosticInfos = []
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.TypeId.to_binary())
        packet.append(self.ResponseHeader.to_binary())
        packet.append(uatype_Int32.pack(len(self.Results)))
        for fieldname in self.Results:
            packet.append(fieldname.to_binary())
        packet.append(uatype_Int32.pack(len(self.DiagnosticInfos)))
        for fieldname in self.DiagnosticInfos:
            packet.append(fieldname.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return ReadResponse(data)

    def _binary_init(self, data):
        self.TypeId = NodeId.from_binary(data)
        self.ResponseHeader = ResponseHeader.from_binary(data)
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(DataValue.from_binary(data))
        self.Results = array
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(DiagnosticInfo.from_binary(data))
        self.DiagnosticInfos = array

    def __str__(self):
        return 'ReadResponse(' + 'TypeId:' + str(self.TypeId) + ', ' + \
               'ResponseHeader:' + str(self.ResponseHeader) + ', ' + \
               'Results:' + str(self.Results) + ', ' + \
               'DiagnosticInfos:' + str(self.DiagnosticInfos) + ')'

    __repr__ = __str__


class HistoryReadValueId(FrozenClass):
    '''
    :ivar NodeId:
    :vartype NodeId: NodeId
    :ivar IndexRange:
    :vartype IndexRange: String
    :ivar DataEncoding:
    :vartype DataEncoding: QualifiedName
    :ivar ContinuationPoint:
    :vartype ContinuationPoint: ByteString
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.NodeId = NodeId()
        self.IndexRange = ''
        self.DataEncoding = QualifiedName()
        self.ContinuationPoint = b''
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.NodeId.to_binary())
        packet.append(pack_string(self.IndexRange))
        packet.append(self.DataEncoding.to_binary())
        packet.append(pack_bytes(self.ContinuationPoint))
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return HistoryReadValueId(data)

    def _binary_init(self, data):
        self.NodeId = NodeId.from_binary(data)
        self.IndexRange = unpack_string(data)
        self.DataEncoding = QualifiedName.from_binary(data)
        self.ContinuationPoint = unpack_bytes(data)

    def __str__(self):
        return 'HistoryReadValueId(' + 'NodeId:' + str(self.NodeId) + ', ' + \
               'IndexRange:' + str(self.IndexRange) + ', ' + \
               'DataEncoding:' + str(self.DataEncoding) + ', ' + \
               'ContinuationPoint:' + str(self.ContinuationPoint) + ')'

    __repr__ = __str__


class HistoryReadResult(FrozenClass):
    '''
    :ivar StatusCode:
    :vartype StatusCode: StatusCode
    :ivar ContinuationPoint:
    :vartype ContinuationPoint: ByteString
    :ivar HistoryData:
    :vartype HistoryData: ExtensionObject
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.StatusCode = StatusCode()
        self.ContinuationPoint = b''
        self.HistoryData = None
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.StatusCode.to_binary())
        packet.append(pack_bytes(self.ContinuationPoint))
        packet.append(extensionobject_to_binary(self.HistoryData))
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return HistoryReadResult(data)

    def _binary_init(self, data):
        self.StatusCode = StatusCode.from_binary(data)
        self.ContinuationPoint = unpack_bytes(data)
        self.HistoryData = extensionobject_from_binary(data)

    def __str__(self):
        return 'HistoryReadResult(' + 'StatusCode:' + str(self.StatusCode) + ', ' + \
               'ContinuationPoint:' + str(self.ContinuationPoint) + ', ' + \
               'HistoryData:' + str(self.HistoryData) + ')'

    __repr__ = __str__


class HistoryReadDetails(FrozenClass):
    '''
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self._freeze = True

    def to_binary(self):
        packet = []
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return HistoryReadDetails(data)

    def _binary_init(self, data):
        pass

    def __str__(self):
        return 'HistoryReadDetails(' +  + ')'

    __repr__ = __str__


class ReadEventDetails(FrozenClass):
    '''
    :ivar NumValuesPerNode:
    :vartype NumValuesPerNode: UInt32
    :ivar StartTime:
    :vartype StartTime: DateTime
    :ivar EndTime:
    :vartype EndTime: DateTime
    :ivar Filter:
    :vartype Filter: EventFilter
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.NumValuesPerNode = 0
        self.StartTime = datetime.now()
        self.EndTime = datetime.now()
        self.Filter = EventFilter()
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(uatype_UInt32.pack(self.NumValuesPerNode))
        packet.append(pack_datetime(self.StartTime))
        packet.append(pack_datetime(self.EndTime))
        packet.append(self.Filter.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return ReadEventDetails(data)

    def _binary_init(self, data):
        self.NumValuesPerNode = uatype_UInt32.unpack(data.read(4))[0]
        self.StartTime = unpack_datetime(data)
        self.EndTime = unpack_datetime(data)
        self.Filter = EventFilter.from_binary(data)

    def __str__(self):
        return 'ReadEventDetails(' + 'NumValuesPerNode:' + str(self.NumValuesPerNode) + ', ' + \
               'StartTime:' + str(self.StartTime) + ', ' + \
               'EndTime:' + str(self.EndTime) + ', ' + \
               'Filter:' + str(self.Filter) + ')'

    __repr__ = __str__


class ReadRawModifiedDetails(FrozenClass):
    '''
    :ivar IsReadModified:
    :vartype IsReadModified: Boolean
    :ivar StartTime:
    :vartype StartTime: DateTime
    :ivar EndTime:
    :vartype EndTime: DateTime
    :ivar NumValuesPerNode:
    :vartype NumValuesPerNode: UInt32
    :ivar ReturnBounds:
    :vartype ReturnBounds: Boolean
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.IsReadModified = True
        self.StartTime = datetime.now()
        self.EndTime = datetime.now()
        self.NumValuesPerNode = 0
        self.ReturnBounds = True
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(uatype_Boolean.pack(self.IsReadModified))
        packet.append(pack_datetime(self.StartTime))
        packet.append(pack_datetime(self.EndTime))
        packet.append(uatype_UInt32.pack(self.NumValuesPerNode))
        packet.append(uatype_Boolean.pack(self.ReturnBounds))
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return ReadRawModifiedDetails(data)

    def _binary_init(self, data):
        self.IsReadModified = uatype_Boolean.unpack(data.read(1))[0]
        self.StartTime = unpack_datetime(data)
        self.EndTime = unpack_datetime(data)
        self.NumValuesPerNode = uatype_UInt32.unpack(data.read(4))[0]
        self.ReturnBounds = uatype_Boolean.unpack(data.read(1))[0]

    def __str__(self):
        return 'ReadRawModifiedDetails(' + 'IsReadModified:' + str(self.IsReadModified) + ', ' + \
               'StartTime:' + str(self.StartTime) + ', ' + \
               'EndTime:' + str(self.EndTime) + ', ' + \
               'NumValuesPerNode:' + str(self.NumValuesPerNode) + ', ' + \
               'ReturnBounds:' + str(self.ReturnBounds) + ')'

    __repr__ = __str__


class ReadProcessedDetails(FrozenClass):
    '''
    :ivar StartTime:
    :vartype StartTime: DateTime
    :ivar EndTime:
    :vartype EndTime: DateTime
    :ivar ProcessingInterval:
    :vartype ProcessingInterval: Double
    :ivar AggregateType:
    :vartype AggregateType: NodeId
    :ivar AggregateConfiguration:
    :vartype AggregateConfiguration: AggregateConfiguration
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.StartTime = datetime.now()
        self.EndTime = datetime.now()
        self.ProcessingInterval = 0
        self.AggregateType = []
        self.AggregateConfiguration = AggregateConfiguration()
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(pack_datetime(self.StartTime))
        packet.append(pack_datetime(self.EndTime))
        packet.append(uatype_Double.pack(self.ProcessingInterval))
        packet.append(uatype_Int32.pack(len(self.AggregateType)))
        for fieldname in self.AggregateType:
            packet.append(fieldname.to_binary())
        packet.append(self.AggregateConfiguration.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return ReadProcessedDetails(data)

    def _binary_init(self, data):
        self.StartTime = unpack_datetime(data)
        self.EndTime = unpack_datetime(data)
        self.ProcessingInterval = uatype_Double.unpack(data.read(8))[0]
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(NodeId.from_binary(data))
        self.AggregateType = array
        self.AggregateConfiguration = AggregateConfiguration.from_binary(data)

    def __str__(self):
        return 'ReadProcessedDetails(' + 'StartTime:' + str(self.StartTime) + ', ' + \
               'EndTime:' + str(self.EndTime) + ', ' + \
               'ProcessingInterval:' + str(self.ProcessingInterval) + ', ' + \
               'AggregateType:' + str(self.AggregateType) + ', ' + \
               'AggregateConfiguration:' + str(self.AggregateConfiguration) + ')'

    __repr__ = __str__


class ReadAtTimeDetails(FrozenClass):
    '''
    :ivar ReqTimes:
    :vartype ReqTimes: DateTime
    :ivar UseSimpleBounds:
    :vartype UseSimpleBounds: Boolean
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.ReqTimes = []
        self.UseSimpleBounds = True
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(uatype_Int32.pack(len(self.ReqTimes)))
        for fieldname in self.ReqTimes:
            packet.append(pack_datetime(fieldname))
        packet.append(uatype_Boolean.pack(self.UseSimpleBounds))
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return ReadAtTimeDetails(data)

    def _binary_init(self, data):
        self.ReqTimes = unpack_uatype_array('DateTime', data)
        self.UseSimpleBounds = uatype_Boolean.unpack(data.read(1))[0]

    def __str__(self):
        return 'ReadAtTimeDetails(' + 'ReqTimes:' + str(self.ReqTimes) + ', ' + \
               'UseSimpleBounds:' + str(self.UseSimpleBounds) + ')'

    __repr__ = __str__


class HistoryData(FrozenClass):
    '''
    :ivar DataValues:
    :vartype DataValues: DataValue
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.DataValues = []
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(uatype_Int32.pack(len(self.DataValues)))
        for fieldname in self.DataValues:
            packet.append(fieldname.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return HistoryData(data)

    def _binary_init(self, data):
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(DataValue.from_binary(data))
        self.DataValues = array

    def __str__(self):
        return 'HistoryData(' + 'DataValues:' + str(self.DataValues) + ')'

    __repr__ = __str__


class ModificationInfo(FrozenClass):
    '''
    :ivar ModificationTime:
    :vartype ModificationTime: DateTime
    :ivar UpdateType:
    :vartype UpdateType: HistoryUpdateType
    :ivar UserName:
    :vartype UserName: String
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.ModificationTime = datetime.now()
        self.UpdateType = HistoryUpdateType(0)
        self.UserName = ''
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(pack_datetime(self.ModificationTime))
        packet.append(uatype_UInt32.pack(self.UpdateType.value))
        packet.append(pack_string(self.UserName))
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return ModificationInfo(data)

    def _binary_init(self, data):
        self.ModificationTime = unpack_datetime(data)
        self.UpdateType = HistoryUpdateType(uatype_UInt32.unpack(data.read(4))[0])
        self.UserName = unpack_string(data)

    def __str__(self):
        return 'ModificationInfo(' + 'ModificationTime:' + str(self.ModificationTime) + ', ' + \
               'UpdateType:' + str(self.UpdateType) + ', ' + \
               'UserName:' + str(self.UserName) + ')'

    __repr__ = __str__


class HistoryModifiedData(FrozenClass):
    '''
    :ivar DataValues:
    :vartype DataValues: DataValue
    :ivar ModificationInfos:
    :vartype ModificationInfos: ModificationInfo
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.DataValues = []
        self.ModificationInfos = []
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(uatype_Int32.pack(len(self.DataValues)))
        for fieldname in self.DataValues:
            packet.append(fieldname.to_binary())
        packet.append(uatype_Int32.pack(len(self.ModificationInfos)))
        for fieldname in self.ModificationInfos:
            packet.append(fieldname.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return HistoryModifiedData(data)

    def _binary_init(self, data):
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(DataValue.from_binary(data))
        self.DataValues = array
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(ModificationInfo.from_binary(data))
        self.ModificationInfos = array

    def __str__(self):
        return 'HistoryModifiedData(' + 'DataValues:' + str(self.DataValues) + ', ' + \
               'ModificationInfos:' + str(self.ModificationInfos) + ')'

    __repr__ = __str__


class HistoryEvent(FrozenClass):
    '''
    :ivar Events:
    :vartype Events: HistoryEventFieldList
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.Events = []
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(uatype_Int32.pack(len(self.Events)))
        for fieldname in self.Events:
            packet.append(fieldname.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return HistoryEvent(data)

    def _binary_init(self, data):
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(HistoryEventFieldList.from_binary(data))
        self.Events = array

    def __str__(self):
        return 'HistoryEvent(' + 'Events:' + str(self.Events) + ')'

    __repr__ = __str__


class HistoryReadParameters(FrozenClass):
    '''
    :ivar HistoryReadDetails:
    :vartype HistoryReadDetails: ExtensionObject
    :ivar TimestampsToReturn:
    :vartype TimestampsToReturn: TimestampsToReturn
    :ivar ReleaseContinuationPoints:
    :vartype ReleaseContinuationPoints: Boolean
    :ivar NodesToRead:
    :vartype NodesToRead: HistoryReadValueId
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.HistoryReadDetails = None
        self.TimestampsToReturn = TimestampsToReturn(0)
        self.ReleaseContinuationPoints = True
        self.NodesToRead = []
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(extensionobject_to_binary(self.HistoryReadDetails))
        packet.append(uatype_UInt32.pack(self.TimestampsToReturn.value))
        packet.append(uatype_Boolean.pack(self.ReleaseContinuationPoints))
        packet.append(uatype_Int32.pack(len(self.NodesToRead)))
        for fieldname in self.NodesToRead:
            packet.append(fieldname.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return HistoryReadParameters(data)

    def _binary_init(self, data):
        self.HistoryReadDetails = extensionobject_from_binary(data)
        self.TimestampsToReturn = TimestampsToReturn(uatype_UInt32.unpack(data.read(4))[0])
        self.ReleaseContinuationPoints = uatype_Boolean.unpack(data.read(1))[0]
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(HistoryReadValueId.from_binary(data))
        self.NodesToRead = array

    def __str__(self):
        return 'HistoryReadParameters(' + 'HistoryReadDetails:' + str(self.HistoryReadDetails) + ', ' + \
               'TimestampsToReturn:' + str(self.TimestampsToReturn) + ', ' + \
               'ReleaseContinuationPoints:' + str(self.ReleaseContinuationPoints) + ', ' + \
               'NodesToRead:' + str(self.NodesToRead) + ')'

    __repr__ = __str__


class HistoryReadRequest(FrozenClass):
    '''
    :ivar TypeId:
    :vartype TypeId: NodeId
    :ivar RequestHeader:
    :vartype RequestHeader: RequestHeader
    :ivar Parameters:
    :vartype Parameters: HistoryReadParameters
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.TypeId = FourByteNodeId(ObjectIds.HistoryReadRequest_Encoding_DefaultBinary)
        self.RequestHeader = RequestHeader()
        self.Parameters = HistoryReadParameters()
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.TypeId.to_binary())
        packet.append(self.RequestHeader.to_binary())
        packet.append(self.Parameters.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return HistoryReadRequest(data)

    def _binary_init(self, data):
        self.TypeId = NodeId.from_binary(data)
        self.RequestHeader = RequestHeader.from_binary(data)
        self.Parameters = HistoryReadParameters.from_binary(data)

    def __str__(self):
        return 'HistoryReadRequest(' + 'TypeId:' + str(self.TypeId) + ', ' + \
               'RequestHeader:' + str(self.RequestHeader) + ', ' + \
               'Parameters:' + str(self.Parameters) + ')'

    __repr__ = __str__


class HistoryReadResponse(FrozenClass):
    '''
    :ivar TypeId:
    :vartype TypeId: NodeId
    :ivar ResponseHeader:
    :vartype ResponseHeader: ResponseHeader
    :ivar Results:
    :vartype Results: HistoryReadResult
    :ivar DiagnosticInfos:
    :vartype DiagnosticInfos: DiagnosticInfo
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.TypeId = FourByteNodeId(ObjectIds.HistoryReadResponse_Encoding_DefaultBinary)
        self.ResponseHeader = ResponseHeader()
        self.Results = []
        self.DiagnosticInfos = []
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.TypeId.to_binary())
        packet.append(self.ResponseHeader.to_binary())
        packet.append(uatype_Int32.pack(len(self.Results)))
        for fieldname in self.Results:
            packet.append(fieldname.to_binary())
        packet.append(uatype_Int32.pack(len(self.DiagnosticInfos)))
        for fieldname in self.DiagnosticInfos:
            packet.append(fieldname.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return HistoryReadResponse(data)

    def _binary_init(self, data):
        self.TypeId = NodeId.from_binary(data)
        self.ResponseHeader = ResponseHeader.from_binary(data)
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(HistoryReadResult.from_binary(data))
        self.Results = array
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(DiagnosticInfo.from_binary(data))
        self.DiagnosticInfos = array

    def __str__(self):
        return 'HistoryReadResponse(' + 'TypeId:' + str(self.TypeId) + ', ' + \
               'ResponseHeader:' + str(self.ResponseHeader) + ', ' + \
               'Results:' + str(self.Results) + ', ' + \
               'DiagnosticInfos:' + str(self.DiagnosticInfos) + ')'

    __repr__ = __str__


class WriteValue(FrozenClass):
    '''
    :ivar NodeId:
    :vartype NodeId: NodeId
    :ivar AttributeId:
    :vartype AttributeId: UInt32
    :ivar IndexRange:
    :vartype IndexRange: String
    :ivar Value:
    :vartype Value: DataValue
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.NodeId = NodeId()
        self.AttributeId = 0
        self.IndexRange = ''
        self.Value = DataValue()
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.NodeId.to_binary())
        packet.append(uatype_UInt32.pack(self.AttributeId))
        packet.append(pack_string(self.IndexRange))
        packet.append(self.Value.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return WriteValue(data)

    def _binary_init(self, data):
        self.NodeId = NodeId.from_binary(data)
        self.AttributeId = uatype_UInt32.unpack(data.read(4))[0]
        self.IndexRange = unpack_string(data)
        self.Value = DataValue.from_binary(data)

    def __str__(self):
        return 'WriteValue(' + 'NodeId:' + str(self.NodeId) + ', ' + \
               'AttributeId:' + str(self.AttributeId) + ', ' + \
               'IndexRange:' + str(self.IndexRange) + ', ' + \
               'Value:' + str(self.Value) + ')'

    __repr__ = __str__


class WriteParameters(FrozenClass):
    '''
    :ivar NodesToWrite:
    :vartype NodesToWrite: WriteValue
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.NodesToWrite = []
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(uatype_Int32.pack(len(self.NodesToWrite)))
        for fieldname in self.NodesToWrite:
            packet.append(fieldname.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return WriteParameters(data)

    def _binary_init(self, data):
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(WriteValue.from_binary(data))
        self.NodesToWrite = array

    def __str__(self):
        return 'WriteParameters(' + 'NodesToWrite:' + str(self.NodesToWrite) + ')'

    __repr__ = __str__


class WriteRequest(FrozenClass):
    '''
    :ivar TypeId:
    :vartype TypeId: NodeId
    :ivar RequestHeader:
    :vartype RequestHeader: RequestHeader
    :ivar Parameters:
    :vartype Parameters: WriteParameters
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.TypeId = FourByteNodeId(ObjectIds.WriteRequest_Encoding_DefaultBinary)
        self.RequestHeader = RequestHeader()
        self.Parameters = WriteParameters()
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.TypeId.to_binary())
        packet.append(self.RequestHeader.to_binary())
        packet.append(self.Parameters.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return WriteRequest(data)

    def _binary_init(self, data):
        self.TypeId = NodeId.from_binary(data)
        self.RequestHeader = RequestHeader.from_binary(data)
        self.Parameters = WriteParameters.from_binary(data)

    def __str__(self):
        return 'WriteRequest(' + 'TypeId:' + str(self.TypeId) + ', ' + \
               'RequestHeader:' + str(self.RequestHeader) + ', ' + \
               'Parameters:' + str(self.Parameters) + ')'

    __repr__ = __str__


class WriteResponse(FrozenClass):
    '''
    :ivar TypeId:
    :vartype TypeId: NodeId
    :ivar ResponseHeader:
    :vartype ResponseHeader: ResponseHeader
    :ivar Results:
    :vartype Results: StatusCode
    :ivar DiagnosticInfos:
    :vartype DiagnosticInfos: DiagnosticInfo
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.TypeId = FourByteNodeId(ObjectIds.WriteResponse_Encoding_DefaultBinary)
        self.ResponseHeader = ResponseHeader()
        self.Results = []
        self.DiagnosticInfos = []
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.TypeId.to_binary())
        packet.append(self.ResponseHeader.to_binary())
        packet.append(uatype_Int32.pack(len(self.Results)))
        for fieldname in self.Results:
            packet.append(fieldname.to_binary())
        packet.append(uatype_Int32.pack(len(self.DiagnosticInfos)))
        for fieldname in self.DiagnosticInfos:
            packet.append(fieldname.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return WriteResponse(data)

    def _binary_init(self, data):
        self.TypeId = NodeId.from_binary(data)
        self.ResponseHeader = ResponseHeader.from_binary(data)
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(StatusCode.from_binary(data))
        self.Results = array
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(DiagnosticInfo.from_binary(data))
        self.DiagnosticInfos = array

    def __str__(self):
        return 'WriteResponse(' + 'TypeId:' + str(self.TypeId) + ', ' + \
               'ResponseHeader:' + str(self.ResponseHeader) + ', ' + \
               'Results:' + str(self.Results) + ', ' + \
               'DiagnosticInfos:' + str(self.DiagnosticInfos) + ')'

    __repr__ = __str__


class HistoryUpdateDetails(FrozenClass):
    '''
    :ivar NodeId:
    :vartype NodeId: NodeId
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.NodeId = NodeId()
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.NodeId.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return HistoryUpdateDetails(data)

    def _binary_init(self, data):
        self.NodeId = NodeId.from_binary(data)

    def __str__(self):
        return 'HistoryUpdateDetails(' + 'NodeId:' + str(self.NodeId) + ')'

    __repr__ = __str__


class UpdateDataDetails(FrozenClass):
    '''
    :ivar NodeId:
    :vartype NodeId: NodeId
    :ivar PerformInsertReplace:
    :vartype PerformInsertReplace: PerformUpdateType
    :ivar UpdateValues:
    :vartype UpdateValues: DataValue
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.NodeId = NodeId()
        self.PerformInsertReplace = PerformUpdateType(0)
        self.UpdateValues = []
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.NodeId.to_binary())
        packet.append(uatype_UInt32.pack(self.PerformInsertReplace.value))
        packet.append(uatype_Int32.pack(len(self.UpdateValues)))
        for fieldname in self.UpdateValues:
            packet.append(fieldname.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return UpdateDataDetails(data)

    def _binary_init(self, data):
        self.NodeId = NodeId.from_binary(data)
        self.PerformInsertReplace = PerformUpdateType(uatype_UInt32.unpack(data.read(4))[0])
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(DataValue.from_binary(data))
        self.UpdateValues = array

    def __str__(self):
        return 'UpdateDataDetails(' + 'NodeId:' + str(self.NodeId) + ', ' + \
               'PerformInsertReplace:' + str(self.PerformInsertReplace) + ', ' + \
               'UpdateValues:' + str(self.UpdateValues) + ')'

    __repr__ = __str__


class UpdateStructureDataDetails(FrozenClass):
    '''
    :ivar NodeId:
    :vartype NodeId: NodeId
    :ivar PerformInsertReplace:
    :vartype PerformInsertReplace: PerformUpdateType
    :ivar UpdateValues:
    :vartype UpdateValues: DataValue
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.NodeId = NodeId()
        self.PerformInsertReplace = PerformUpdateType(0)
        self.UpdateValues = []
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.NodeId.to_binary())
        packet.append(uatype_UInt32.pack(self.PerformInsertReplace.value))
        packet.append(uatype_Int32.pack(len(self.UpdateValues)))
        for fieldname in self.UpdateValues:
            packet.append(fieldname.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return UpdateStructureDataDetails(data)

    def _binary_init(self, data):
        self.NodeId = NodeId.from_binary(data)
        self.PerformInsertReplace = PerformUpdateType(uatype_UInt32.unpack(data.read(4))[0])
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(DataValue.from_binary(data))
        self.UpdateValues = array

    def __str__(self):
        return 'UpdateStructureDataDetails(' + 'NodeId:' + str(self.NodeId) + ', ' + \
               'PerformInsertReplace:' + str(self.PerformInsertReplace) + ', ' + \
               'UpdateValues:' + str(self.UpdateValues) + ')'

    __repr__ = __str__


class UpdateEventDetails(FrozenClass):
    '''
    :ivar NodeId:
    :vartype NodeId: NodeId
    :ivar PerformInsertReplace:
    :vartype PerformInsertReplace: PerformUpdateType
    :ivar Filter:
    :vartype Filter: EventFilter
    :ivar EventData:
    :vartype EventData: HistoryEventFieldList
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.NodeId = NodeId()
        self.PerformInsertReplace = PerformUpdateType(0)
        self.Filter = EventFilter()
        self.EventData = []
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.NodeId.to_binary())
        packet.append(uatype_UInt32.pack(self.PerformInsertReplace.value))
        packet.append(self.Filter.to_binary())
        packet.append(uatype_Int32.pack(len(self.EventData)))
        for fieldname in self.EventData:
            packet.append(fieldname.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return UpdateEventDetails(data)

    def _binary_init(self, data):
        self.NodeId = NodeId.from_binary(data)
        self.PerformInsertReplace = PerformUpdateType(uatype_UInt32.unpack(data.read(4))[0])
        self.Filter = EventFilter.from_binary(data)
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(HistoryEventFieldList.from_binary(data))
        self.EventData = array

    def __str__(self):
        return 'UpdateEventDetails(' + 'NodeId:' + str(self.NodeId) + ', ' + \
               'PerformInsertReplace:' + str(self.PerformInsertReplace) + ', ' + \
               'Filter:' + str(self.Filter) + ', ' + \
               'EventData:' + str(self.EventData) + ')'

    __repr__ = __str__


class DeleteRawModifiedDetails(FrozenClass):
    '''
    :ivar NodeId:
    :vartype NodeId: NodeId
    :ivar IsDeleteModified:
    :vartype IsDeleteModified: Boolean
    :ivar StartTime:
    :vartype StartTime: DateTime
    :ivar EndTime:
    :vartype EndTime: DateTime
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.NodeId = NodeId()
        self.IsDeleteModified = True
        self.StartTime = datetime.now()
        self.EndTime = datetime.now()
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.NodeId.to_binary())
        packet.append(uatype_Boolean.pack(self.IsDeleteModified))
        packet.append(pack_datetime(self.StartTime))
        packet.append(pack_datetime(self.EndTime))
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return DeleteRawModifiedDetails(data)

    def _binary_init(self, data):
        self.NodeId = NodeId.from_binary(data)
        self.IsDeleteModified = uatype_Boolean.unpack(data.read(1))[0]
        self.StartTime = unpack_datetime(data)
        self.EndTime = unpack_datetime(data)

    def __str__(self):
        return 'DeleteRawModifiedDetails(' + 'NodeId:' + str(self.NodeId) + ', ' + \
               'IsDeleteModified:' + str(self.IsDeleteModified) + ', ' + \
               'StartTime:' + str(self.StartTime) + ', ' + \
               'EndTime:' + str(self.EndTime) + ')'

    __repr__ = __str__


class DeleteAtTimeDetails(FrozenClass):
    '''
    :ivar NodeId:
    :vartype NodeId: NodeId
    :ivar ReqTimes:
    :vartype ReqTimes: DateTime
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.NodeId = NodeId()
        self.ReqTimes = []
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.NodeId.to_binary())
        packet.append(uatype_Int32.pack(len(self.ReqTimes)))
        for fieldname in self.ReqTimes:
            packet.append(pack_datetime(fieldname))
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return DeleteAtTimeDetails(data)

    def _binary_init(self, data):
        self.NodeId = NodeId.from_binary(data)
        self.ReqTimes = unpack_uatype_array('DateTime', data)

    def __str__(self):
        return 'DeleteAtTimeDetails(' + 'NodeId:' + str(self.NodeId) + ', ' + \
               'ReqTimes:' + str(self.ReqTimes) + ')'

    __repr__ = __str__


class DeleteEventDetails(FrozenClass):
    '''
    :ivar NodeId:
    :vartype NodeId: NodeId
    :ivar EventIds:
    :vartype EventIds: ByteString
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.NodeId = NodeId()
        self.EventIds = []
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.NodeId.to_binary())
        packet.append(uatype_Int32.pack(len(self.EventIds)))
        for fieldname in self.EventIds:
            packet.append(pack_bytes(fieldname))
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return DeleteEventDetails(data)

    def _binary_init(self, data):
        self.NodeId = NodeId.from_binary(data)
        self.EventIds = unpack_uatype_array('ByteString', data)

    def __str__(self):
        return 'DeleteEventDetails(' + 'NodeId:' + str(self.NodeId) + ', ' + \
               'EventIds:' + str(self.EventIds) + ')'

    __repr__ = __str__


class HistoryUpdateResult(FrozenClass):
    '''
    :ivar StatusCode:
    :vartype StatusCode: StatusCode
    :ivar OperationResults:
    :vartype OperationResults: StatusCode
    :ivar DiagnosticInfos:
    :vartype DiagnosticInfos: DiagnosticInfo
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.StatusCode = StatusCode()
        self.OperationResults = []
        self.DiagnosticInfos = []
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.StatusCode.to_binary())
        packet.append(uatype_Int32.pack(len(self.OperationResults)))
        for fieldname in self.OperationResults:
            packet.append(fieldname.to_binary())
        packet.append(uatype_Int32.pack(len(self.DiagnosticInfos)))
        for fieldname in self.DiagnosticInfos:
            packet.append(fieldname.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return HistoryUpdateResult(data)

    def _binary_init(self, data):
        self.StatusCode = StatusCode.from_binary(data)
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(StatusCode.from_binary(data))
        self.OperationResults = array
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(DiagnosticInfo.from_binary(data))
        self.DiagnosticInfos = array

    def __str__(self):
        return 'HistoryUpdateResult(' + 'StatusCode:' + str(self.StatusCode) + ', ' + \
               'OperationResults:' + str(self.OperationResults) + ', ' + \
               'DiagnosticInfos:' + str(self.DiagnosticInfos) + ')'

    __repr__ = __str__


class HistoryUpdateParameters(FrozenClass):
    '''
    :ivar HistoryUpdateDetails:
    :vartype HistoryUpdateDetails: ExtensionObject
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.HistoryUpdateDetails = []
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(uatype_Int32.pack(len(self.HistoryUpdateDetails)))
        for fieldname in self.HistoryUpdateDetails:
            packet.append(extensionobject_to_binary(fieldname))
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return HistoryUpdateParameters(data)

    def _binary_init(self, data):
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(extensionobject_from_binary(data))
        self.HistoryUpdateDetails = array

    def __str__(self):
        return 'HistoryUpdateParameters(' + 'HistoryUpdateDetails:' + str(self.HistoryUpdateDetails) + ')'

    __repr__ = __str__


class HistoryUpdateRequest(FrozenClass):
    '''
    :ivar TypeId:
    :vartype TypeId: NodeId
    :ivar RequestHeader:
    :vartype RequestHeader: RequestHeader
    :ivar Parameters:
    :vartype Parameters: HistoryUpdateParameters
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.TypeId = FourByteNodeId(ObjectIds.HistoryUpdateRequest_Encoding_DefaultBinary)
        self.RequestHeader = RequestHeader()
        self.Parameters = HistoryUpdateParameters()
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.TypeId.to_binary())
        packet.append(self.RequestHeader.to_binary())
        packet.append(self.Parameters.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return HistoryUpdateRequest(data)

    def _binary_init(self, data):
        self.TypeId = NodeId.from_binary(data)
        self.RequestHeader = RequestHeader.from_binary(data)
        self.Parameters = HistoryUpdateParameters.from_binary(data)

    def __str__(self):
        return 'HistoryUpdateRequest(' + 'TypeId:' + str(self.TypeId) + ', ' + \
               'RequestHeader:' + str(self.RequestHeader) + ', ' + \
               'Parameters:' + str(self.Parameters) + ')'

    __repr__ = __str__


class HistoryUpdateResponse(FrozenClass):
    '''
    :ivar TypeId:
    :vartype TypeId: NodeId
    :ivar ResponseHeader:
    :vartype ResponseHeader: ResponseHeader
    :ivar Results:
    :vartype Results: HistoryUpdateResult
    :ivar DiagnosticInfos:
    :vartype DiagnosticInfos: DiagnosticInfo
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.TypeId = FourByteNodeId(ObjectIds.HistoryUpdateResponse_Encoding_DefaultBinary)
        self.ResponseHeader = ResponseHeader()
        self.Results = []
        self.DiagnosticInfos = []
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.TypeId.to_binary())
        packet.append(self.ResponseHeader.to_binary())
        packet.append(uatype_Int32.pack(len(self.Results)))
        for fieldname in self.Results:
            packet.append(fieldname.to_binary())
        packet.append(uatype_Int32.pack(len(self.DiagnosticInfos)))
        for fieldname in self.DiagnosticInfos:
            packet.append(fieldname.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return HistoryUpdateResponse(data)

    def _binary_init(self, data):
        self.TypeId = NodeId.from_binary(data)
        self.ResponseHeader = ResponseHeader.from_binary(data)
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(HistoryUpdateResult.from_binary(data))
        self.Results = array
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(DiagnosticInfo.from_binary(data))
        self.DiagnosticInfos = array

    def __str__(self):
        return 'HistoryUpdateResponse(' + 'TypeId:' + str(self.TypeId) + ', ' + \
               'ResponseHeader:' + str(self.ResponseHeader) + ', ' + \
               'Results:' + str(self.Results) + ', ' + \
               'DiagnosticInfos:' + str(self.DiagnosticInfos) + ')'

    __repr__ = __str__


class CallMethodRequest(FrozenClass):
    '''
    :ivar ObjectId:
    :vartype ObjectId: NodeId
    :ivar MethodId:
    :vartype MethodId: NodeId
    :ivar InputArguments:
    :vartype InputArguments: Variant
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.ObjectId = NodeId()
        self.MethodId = NodeId()
        self.InputArguments = []
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.ObjectId.to_binary())
        packet.append(self.MethodId.to_binary())
        packet.append(uatype_Int32.pack(len(self.InputArguments)))
        for fieldname in self.InputArguments:
            packet.append(fieldname.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return CallMethodRequest(data)

    def _binary_init(self, data):
        self.ObjectId = NodeId.from_binary(data)
        self.MethodId = NodeId.from_binary(data)
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(Variant.from_binary(data))
        self.InputArguments = array

    def __str__(self):
        return 'CallMethodRequest(' + 'ObjectId:' + str(self.ObjectId) + ', ' + \
               'MethodId:' + str(self.MethodId) + ', ' + \
               'InputArguments:' + str(self.InputArguments) + ')'

    __repr__ = __str__


class CallMethodResult(FrozenClass):
    '''
    :ivar StatusCode:
    :vartype StatusCode: StatusCode
    :ivar InputArgumentResults:
    :vartype InputArgumentResults: StatusCode
    :ivar InputArgumentDiagnosticInfos:
    :vartype InputArgumentDiagnosticInfos: DiagnosticInfo
    :ivar OutputArguments:
    :vartype OutputArguments: Variant
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.StatusCode = StatusCode()
        self.InputArgumentResults = []
        self.InputArgumentDiagnosticInfos = []
        self.OutputArguments = []
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.StatusCode.to_binary())
        packet.append(uatype_Int32.pack(len(self.InputArgumentResults)))
        for fieldname in self.InputArgumentResults:
            packet.append(fieldname.to_binary())
        packet.append(uatype_Int32.pack(len(self.InputArgumentDiagnosticInfos)))
        for fieldname in self.InputArgumentDiagnosticInfos:
            packet.append(fieldname.to_binary())
        packet.append(uatype_Int32.pack(len(self.OutputArguments)))
        for fieldname in self.OutputArguments:
            packet.append(fieldname.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return CallMethodResult(data)

    def _binary_init(self, data):
        self.StatusCode = StatusCode.from_binary(data)
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(StatusCode.from_binary(data))
        self.InputArgumentResults = array
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(DiagnosticInfo.from_binary(data))
        self.InputArgumentDiagnosticInfos = array
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(Variant.from_binary(data))
        self.OutputArguments = array

    def __str__(self):
        return 'CallMethodResult(' + 'StatusCode:' + str(self.StatusCode) + ', ' + \
               'InputArgumentResults:' + str(self.InputArgumentResults) + ', ' + \
               'InputArgumentDiagnosticInfos:' + str(self.InputArgumentDiagnosticInfos) + ', ' + \
               'OutputArguments:' + str(self.OutputArguments) + ')'

    __repr__ = __str__


class CallParameters(FrozenClass):
    '''
    :ivar MethodsToCall:
    :vartype MethodsToCall: CallMethodRequest
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.MethodsToCall = []
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(uatype_Int32.pack(len(self.MethodsToCall)))
        for fieldname in self.MethodsToCall:
            packet.append(fieldname.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return CallParameters(data)

    def _binary_init(self, data):
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(CallMethodRequest.from_binary(data))
        self.MethodsToCall = array

    def __str__(self):
        return 'CallParameters(' + 'MethodsToCall:' + str(self.MethodsToCall) + ')'

    __repr__ = __str__


class CallRequest(FrozenClass):
    '''
    :ivar TypeId:
    :vartype TypeId: NodeId
    :ivar RequestHeader:
    :vartype RequestHeader: RequestHeader
    :ivar Parameters:
    :vartype Parameters: CallParameters
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.TypeId = FourByteNodeId(ObjectIds.CallRequest_Encoding_DefaultBinary)
        self.RequestHeader = RequestHeader()
        self.Parameters = CallParameters()
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.TypeId.to_binary())
        packet.append(self.RequestHeader.to_binary())
        packet.append(self.Parameters.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return CallRequest(data)

    def _binary_init(self, data):
        self.TypeId = NodeId.from_binary(data)
        self.RequestHeader = RequestHeader.from_binary(data)
        self.Parameters = CallParameters.from_binary(data)

    def __str__(self):
        return 'CallRequest(' + 'TypeId:' + str(self.TypeId) + ', ' + \
               'RequestHeader:' + str(self.RequestHeader) + ', ' + \
               'Parameters:' + str(self.Parameters) + ')'

    __repr__ = __str__


class CallResponse(FrozenClass):
    '''
    :ivar TypeId:
    :vartype TypeId: NodeId
    :ivar ResponseHeader:
    :vartype ResponseHeader: ResponseHeader
    :ivar Results:
    :vartype Results: CallMethodResult
    :ivar DiagnosticInfos:
    :vartype DiagnosticInfos: DiagnosticInfo
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.TypeId = FourByteNodeId(ObjectIds.CallResponse_Encoding_DefaultBinary)
        self.ResponseHeader = ResponseHeader()
        self.Results = []
        self.DiagnosticInfos = []
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.TypeId.to_binary())
        packet.append(self.ResponseHeader.to_binary())
        packet.append(uatype_Int32.pack(len(self.Results)))
        for fieldname in self.Results:
            packet.append(fieldname.to_binary())
        packet.append(uatype_Int32.pack(len(self.DiagnosticInfos)))
        for fieldname in self.DiagnosticInfos:
            packet.append(fieldname.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return CallResponse(data)

    def _binary_init(self, data):
        self.TypeId = NodeId.from_binary(data)
        self.ResponseHeader = ResponseHeader.from_binary(data)
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(CallMethodResult.from_binary(data))
        self.Results = array
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(DiagnosticInfo.from_binary(data))
        self.DiagnosticInfos = array

    def __str__(self):
        return 'CallResponse(' + 'TypeId:' + str(self.TypeId) + ', ' + \
               'ResponseHeader:' + str(self.ResponseHeader) + ', ' + \
               'Results:' + str(self.Results) + ', ' + \
               'DiagnosticInfos:' + str(self.DiagnosticInfos) + ')'

    __repr__ = __str__


class MonitoringFilter(FrozenClass):
    '''
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self._freeze = True

    def to_binary(self):
        packet = []
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return MonitoringFilter(data)

    def _binary_init(self, data):
        pass

    def __str__(self):
        return 'MonitoringFilter(' +  + ')'

    __repr__ = __str__


class DataChangeFilter(FrozenClass):
    '''
    :ivar Trigger:
    :vartype Trigger: DataChangeTrigger
    :ivar DeadbandType:
    :vartype DeadbandType: UInt32
    :ivar DeadbandValue:
    :vartype DeadbandValue: Double
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.Trigger = DataChangeTrigger(0)
        self.DeadbandType = 0
        self.DeadbandValue = 0
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(uatype_UInt32.pack(self.Trigger.value))
        packet.append(uatype_UInt32.pack(self.DeadbandType))
        packet.append(uatype_Double.pack(self.DeadbandValue))
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return DataChangeFilter(data)

    def _binary_init(self, data):
        self.Trigger = DataChangeTrigger(uatype_UInt32.unpack(data.read(4))[0])
        self.DeadbandType = uatype_UInt32.unpack(data.read(4))[0]
        self.DeadbandValue = uatype_Double.unpack(data.read(8))[0]

    def __str__(self):
        return 'DataChangeFilter(' + 'Trigger:' + str(self.Trigger) + ', ' + \
               'DeadbandType:' + str(self.DeadbandType) + ', ' + \
               'DeadbandValue:' + str(self.DeadbandValue) + ')'

    __repr__ = __str__


class EventFilter(FrozenClass):
    '''
    :ivar SelectClauses:
    :vartype SelectClauses: SimpleAttributeOperand
    :ivar WhereClause:
    :vartype WhereClause: ContentFilter
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.SelectClauses = []
        self.WhereClause = ContentFilter()
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(uatype_Int32.pack(len(self.SelectClauses)))
        for fieldname in self.SelectClauses:
            packet.append(fieldname.to_binary())
        packet.append(self.WhereClause.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return EventFilter(data)

    def _binary_init(self, data):
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(SimpleAttributeOperand.from_binary(data))
        self.SelectClauses = array
        self.WhereClause = ContentFilter.from_binary(data)

    def __str__(self):
        return 'EventFilter(' + 'SelectClauses:' + str(self.SelectClauses) + ', ' + \
               'WhereClause:' + str(self.WhereClause) + ')'

    __repr__ = __str__


class AggregateConfiguration(FrozenClass):
    '''
    :ivar UseServerCapabilitiesDefaults:
    :vartype UseServerCapabilitiesDefaults: Boolean
    :ivar TreatUncertainAsBad:
    :vartype TreatUncertainAsBad: Boolean
    :ivar PercentDataBad:
    :vartype PercentDataBad: Byte
    :ivar PercentDataGood:
    :vartype PercentDataGood: Byte
    :ivar UseSlopedExtrapolation:
    :vartype UseSlopedExtrapolation: Boolean
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.UseServerCapabilitiesDefaults = True
        self.TreatUncertainAsBad = True
        self.PercentDataBad = 0
        self.PercentDataGood = 0
        self.UseSlopedExtrapolation = True
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(uatype_Boolean.pack(self.UseServerCapabilitiesDefaults))
        packet.append(uatype_Boolean.pack(self.TreatUncertainAsBad))
        packet.append(uatype_Byte.pack(self.PercentDataBad))
        packet.append(uatype_Byte.pack(self.PercentDataGood))
        packet.append(uatype_Boolean.pack(self.UseSlopedExtrapolation))
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return AggregateConfiguration(data)

    def _binary_init(self, data):
        self.UseServerCapabilitiesDefaults = uatype_Boolean.unpack(data.read(1))[0]
        self.TreatUncertainAsBad = uatype_Boolean.unpack(data.read(1))[0]
        self.PercentDataBad = uatype_Byte.unpack(data.read(1))[0]
        self.PercentDataGood = uatype_Byte.unpack(data.read(1))[0]
        self.UseSlopedExtrapolation = uatype_Boolean.unpack(data.read(1))[0]

    def __str__(self):
        return 'AggregateConfiguration(' + 'UseServerCapabilitiesDefaults:' + str(self.UseServerCapabilitiesDefaults) + ', ' + \
               'TreatUncertainAsBad:' + str(self.TreatUncertainAsBad) + ', ' + \
               'PercentDataBad:' + str(self.PercentDataBad) + ', ' + \
               'PercentDataGood:' + str(self.PercentDataGood) + ', ' + \
               'UseSlopedExtrapolation:' + str(self.UseSlopedExtrapolation) + ')'

    __repr__ = __str__


class AggregateFilter(FrozenClass):
    '''
    :ivar StartTime:
    :vartype StartTime: DateTime
    :ivar AggregateType:
    :vartype AggregateType: NodeId
    :ivar ProcessingInterval:
    :vartype ProcessingInterval: Double
    :ivar AggregateConfiguration:
    :vartype AggregateConfiguration: AggregateConfiguration
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.StartTime = datetime.now()
        self.AggregateType = NodeId()
        self.ProcessingInterval = 0
        self.AggregateConfiguration = AggregateConfiguration()
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(pack_datetime(self.StartTime))
        packet.append(self.AggregateType.to_binary())
        packet.append(uatype_Double.pack(self.ProcessingInterval))
        packet.append(self.AggregateConfiguration.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return AggregateFilter(data)

    def _binary_init(self, data):
        self.StartTime = unpack_datetime(data)
        self.AggregateType = NodeId.from_binary(data)
        self.ProcessingInterval = uatype_Double.unpack(data.read(8))[0]
        self.AggregateConfiguration = AggregateConfiguration.from_binary(data)

    def __str__(self):
        return 'AggregateFilter(' + 'StartTime:' + str(self.StartTime) + ', ' + \
               'AggregateType:' + str(self.AggregateType) + ', ' + \
               'ProcessingInterval:' + str(self.ProcessingInterval) + ', ' + \
               'AggregateConfiguration:' + str(self.AggregateConfiguration) + ')'

    __repr__ = __str__


class MonitoringFilterResult(FrozenClass):
    '''
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self._freeze = True

    def to_binary(self):
        packet = []
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return MonitoringFilterResult(data)

    def _binary_init(self, data):
        pass

    def __str__(self):
        return 'MonitoringFilterResult(' +  + ')'

    __repr__ = __str__


class EventFilterResult(FrozenClass):
    '''
    :ivar SelectClauseResults:
    :vartype SelectClauseResults: StatusCode
    :ivar SelectClauseDiagnosticInfos:
    :vartype SelectClauseDiagnosticInfos: DiagnosticInfo
    :ivar WhereClauseResult:
    :vartype WhereClauseResult: ContentFilterResult
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.SelectClauseResults = []
        self.SelectClauseDiagnosticInfos = []
        self.WhereClauseResult = ContentFilterResult()
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(uatype_Int32.pack(len(self.SelectClauseResults)))
        for fieldname in self.SelectClauseResults:
            packet.append(fieldname.to_binary())
        packet.append(uatype_Int32.pack(len(self.SelectClauseDiagnosticInfos)))
        for fieldname in self.SelectClauseDiagnosticInfos:
            packet.append(fieldname.to_binary())
        packet.append(self.WhereClauseResult.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return EventFilterResult(data)

    def _binary_init(self, data):
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(StatusCode.from_binary(data))
        self.SelectClauseResults = array
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(DiagnosticInfo.from_binary(data))
        self.SelectClauseDiagnosticInfos = array
        self.WhereClauseResult = ContentFilterResult.from_binary(data)

    def __str__(self):
        return 'EventFilterResult(' + 'SelectClauseResults:' + str(self.SelectClauseResults) + ', ' + \
               'SelectClauseDiagnosticInfos:' + str(self.SelectClauseDiagnosticInfos) + ', ' + \
               'WhereClauseResult:' + str(self.WhereClauseResult) + ')'

    __repr__ = __str__


class AggregateFilterResult(FrozenClass):
    '''
    :ivar RevisedStartTime:
    :vartype RevisedStartTime: DateTime
    :ivar RevisedProcessingInterval:
    :vartype RevisedProcessingInterval: Double
    :ivar RevisedAggregateConfiguration:
    :vartype RevisedAggregateConfiguration: AggregateConfiguration
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.RevisedStartTime = datetime.now()
        self.RevisedProcessingInterval = 0
        self.RevisedAggregateConfiguration = AggregateConfiguration()
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(pack_datetime(self.RevisedStartTime))
        packet.append(uatype_Double.pack(self.RevisedProcessingInterval))
        packet.append(self.RevisedAggregateConfiguration.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return AggregateFilterResult(data)

    def _binary_init(self, data):
        self.RevisedStartTime = unpack_datetime(data)
        self.RevisedProcessingInterval = uatype_Double.unpack(data.read(8))[0]
        self.RevisedAggregateConfiguration = AggregateConfiguration.from_binary(data)

    def __str__(self):
        return 'AggregateFilterResult(' + 'RevisedStartTime:' + str(self.RevisedStartTime) + ', ' + \
               'RevisedProcessingInterval:' + str(self.RevisedProcessingInterval) + ', ' + \
               'RevisedAggregateConfiguration:' + str(self.RevisedAggregateConfiguration) + ')'

    __repr__ = __str__


class MonitoringParameters(FrozenClass):
    '''
    :ivar ClientHandle:
    :vartype ClientHandle: UInt32
    :ivar SamplingInterval:
    :vartype SamplingInterval: Double
    :ivar Filter:
    :vartype Filter: ExtensionObject
    :ivar QueueSize:
    :vartype QueueSize: UInt32
    :ivar DiscardOldest:
    :vartype DiscardOldest: Boolean
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.ClientHandle = 0
        self.SamplingInterval = 0
        self.Filter = None
        self.QueueSize = 0
        self.DiscardOldest = True
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(uatype_UInt32.pack(self.ClientHandle))
        packet.append(uatype_Double.pack(self.SamplingInterval))
        packet.append(extensionobject_to_binary(self.Filter))
        packet.append(uatype_UInt32.pack(self.QueueSize))
        packet.append(uatype_Boolean.pack(self.DiscardOldest))
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return MonitoringParameters(data)

    def _binary_init(self, data):
        self.ClientHandle = uatype_UInt32.unpack(data.read(4))[0]
        self.SamplingInterval = uatype_Double.unpack(data.read(8))[0]
        self.Filter = extensionobject_from_binary(data)
        self.QueueSize = uatype_UInt32.unpack(data.read(4))[0]
        self.DiscardOldest = uatype_Boolean.unpack(data.read(1))[0]

    def __str__(self):
        return 'MonitoringParameters(' + 'ClientHandle:' + str(self.ClientHandle) + ', ' + \
               'SamplingInterval:' + str(self.SamplingInterval) + ', ' + \
               'Filter:' + str(self.Filter) + ', ' + \
               'QueueSize:' + str(self.QueueSize) + ', ' + \
               'DiscardOldest:' + str(self.DiscardOldest) + ')'

    __repr__ = __str__


class MonitoredItemCreateRequest(FrozenClass):
    '''
    :ivar ItemToMonitor:
    :vartype ItemToMonitor: ReadValueId
    :ivar MonitoringMode:
    :vartype MonitoringMode: MonitoringMode
    :ivar RequestedParameters:
    :vartype RequestedParameters: MonitoringParameters
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.ItemToMonitor = ReadValueId()
        self.MonitoringMode = MonitoringMode(0)
        self.RequestedParameters = MonitoringParameters()
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.ItemToMonitor.to_binary())
        packet.append(uatype_UInt32.pack(self.MonitoringMode.value))
        packet.append(self.RequestedParameters.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return MonitoredItemCreateRequest(data)

    def _binary_init(self, data):
        self.ItemToMonitor = ReadValueId.from_binary(data)
        self.MonitoringMode = MonitoringMode(uatype_UInt32.unpack(data.read(4))[0])
        self.RequestedParameters = MonitoringParameters.from_binary(data)

    def __str__(self):
        return 'MonitoredItemCreateRequest(' + 'ItemToMonitor:' + str(self.ItemToMonitor) + ', ' + \
               'MonitoringMode:' + str(self.MonitoringMode) + ', ' + \
               'RequestedParameters:' + str(self.RequestedParameters) + ')'

    __repr__ = __str__


class MonitoredItemCreateResult(FrozenClass):
    '''
    :ivar StatusCode:
    :vartype StatusCode: StatusCode
    :ivar MonitoredItemId:
    :vartype MonitoredItemId: UInt32
    :ivar RevisedSamplingInterval:
    :vartype RevisedSamplingInterval: Double
    :ivar RevisedQueueSize:
    :vartype RevisedQueueSize: UInt32
    :ivar FilterResult:
    :vartype FilterResult: ExtensionObject
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.StatusCode = StatusCode()
        self.MonitoredItemId = 0
        self.RevisedSamplingInterval = 0
        self.RevisedQueueSize = 0
        self.FilterResult = None
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.StatusCode.to_binary())
        packet.append(uatype_UInt32.pack(self.MonitoredItemId))
        packet.append(uatype_Double.pack(self.RevisedSamplingInterval))
        packet.append(uatype_UInt32.pack(self.RevisedQueueSize))
        packet.append(extensionobject_to_binary(self.FilterResult))
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return MonitoredItemCreateResult(data)

    def _binary_init(self, data):
        self.StatusCode = StatusCode.from_binary(data)
        self.MonitoredItemId = uatype_UInt32.unpack(data.read(4))[0]
        self.RevisedSamplingInterval = uatype_Double.unpack(data.read(8))[0]
        self.RevisedQueueSize = uatype_UInt32.unpack(data.read(4))[0]
        self.FilterResult = extensionobject_from_binary(data)

    def __str__(self):
        return 'MonitoredItemCreateResult(' + 'StatusCode:' + str(self.StatusCode) + ', ' + \
               'MonitoredItemId:' + str(self.MonitoredItemId) + ', ' + \
               'RevisedSamplingInterval:' + str(self.RevisedSamplingInterval) + ', ' + \
               'RevisedQueueSize:' + str(self.RevisedQueueSize) + ', ' + \
               'FilterResult:' + str(self.FilterResult) + ')'

    __repr__ = __str__


class CreateMonitoredItemsParameters(FrozenClass):
    '''
    :ivar SubscriptionId:
    :vartype SubscriptionId: UInt32
    :ivar TimestampsToReturn:
    :vartype TimestampsToReturn: TimestampsToReturn
    :ivar ItemsToCreate:
    :vartype ItemsToCreate: MonitoredItemCreateRequest
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.SubscriptionId = 0
        self.TimestampsToReturn = TimestampsToReturn(0)
        self.ItemsToCreate = []
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(uatype_UInt32.pack(self.SubscriptionId))
        packet.append(uatype_UInt32.pack(self.TimestampsToReturn.value))
        packet.append(uatype_Int32.pack(len(self.ItemsToCreate)))
        for fieldname in self.ItemsToCreate:
            packet.append(fieldname.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return CreateMonitoredItemsParameters(data)

    def _binary_init(self, data):
        self.SubscriptionId = uatype_UInt32.unpack(data.read(4))[0]
        self.TimestampsToReturn = TimestampsToReturn(uatype_UInt32.unpack(data.read(4))[0])
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(MonitoredItemCreateRequest.from_binary(data))
        self.ItemsToCreate = array

    def __str__(self):
        return 'CreateMonitoredItemsParameters(' + 'SubscriptionId:' + str(self.SubscriptionId) + ', ' + \
               'TimestampsToReturn:' + str(self.TimestampsToReturn) + ', ' + \
               'ItemsToCreate:' + str(self.ItemsToCreate) + ')'

    __repr__ = __str__


class CreateMonitoredItemsRequest(FrozenClass):
    '''
    :ivar TypeId:
    :vartype TypeId: NodeId
    :ivar RequestHeader:
    :vartype RequestHeader: RequestHeader
    :ivar Parameters:
    :vartype Parameters: CreateMonitoredItemsParameters
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.TypeId = FourByteNodeId(ObjectIds.CreateMonitoredItemsRequest_Encoding_DefaultBinary)
        self.RequestHeader = RequestHeader()
        self.Parameters = CreateMonitoredItemsParameters()
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.TypeId.to_binary())
        packet.append(self.RequestHeader.to_binary())
        packet.append(self.Parameters.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return CreateMonitoredItemsRequest(data)

    def _binary_init(self, data):
        self.TypeId = NodeId.from_binary(data)
        self.RequestHeader = RequestHeader.from_binary(data)
        self.Parameters = CreateMonitoredItemsParameters.from_binary(data)

    def __str__(self):
        return 'CreateMonitoredItemsRequest(' + 'TypeId:' + str(self.TypeId) + ', ' + \
               'RequestHeader:' + str(self.RequestHeader) + ', ' + \
               'Parameters:' + str(self.Parameters) + ')'

    __repr__ = __str__


class CreateMonitoredItemsResponse(FrozenClass):
    '''
    :ivar TypeId:
    :vartype TypeId: NodeId
    :ivar ResponseHeader:
    :vartype ResponseHeader: ResponseHeader
    :ivar Results:
    :vartype Results: MonitoredItemCreateResult
    :ivar DiagnosticInfos:
    :vartype DiagnosticInfos: DiagnosticInfo
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.TypeId = FourByteNodeId(ObjectIds.CreateMonitoredItemsResponse_Encoding_DefaultBinary)
        self.ResponseHeader = ResponseHeader()
        self.Results = []
        self.DiagnosticInfos = []
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.TypeId.to_binary())
        packet.append(self.ResponseHeader.to_binary())
        packet.append(uatype_Int32.pack(len(self.Results)))
        for fieldname in self.Results:
            packet.append(fieldname.to_binary())
        packet.append(uatype_Int32.pack(len(self.DiagnosticInfos)))
        for fieldname in self.DiagnosticInfos:
            packet.append(fieldname.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return CreateMonitoredItemsResponse(data)

    def _binary_init(self, data):
        self.TypeId = NodeId.from_binary(data)
        self.ResponseHeader = ResponseHeader.from_binary(data)
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(MonitoredItemCreateResult.from_binary(data))
        self.Results = array
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(DiagnosticInfo.from_binary(data))
        self.DiagnosticInfos = array

    def __str__(self):
        return 'CreateMonitoredItemsResponse(' + 'TypeId:' + str(self.TypeId) + ', ' + \
               'ResponseHeader:' + str(self.ResponseHeader) + ', ' + \
               'Results:' + str(self.Results) + ', ' + \
               'DiagnosticInfos:' + str(self.DiagnosticInfos) + ')'

    __repr__ = __str__


class MonitoredItemModifyRequest(FrozenClass):
    '''
    :ivar MonitoredItemId:
    :vartype MonitoredItemId: UInt32
    :ivar RequestedParameters:
    :vartype RequestedParameters: MonitoringParameters
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.MonitoredItemId = 0
        self.RequestedParameters = MonitoringParameters()
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(uatype_UInt32.pack(self.MonitoredItemId))
        packet.append(self.RequestedParameters.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return MonitoredItemModifyRequest(data)

    def _binary_init(self, data):
        self.MonitoredItemId = uatype_UInt32.unpack(data.read(4))[0]
        self.RequestedParameters = MonitoringParameters.from_binary(data)

    def __str__(self):
        return 'MonitoredItemModifyRequest(' + 'MonitoredItemId:' + str(self.MonitoredItemId) + ', ' + \
               'RequestedParameters:' + str(self.RequestedParameters) + ')'

    __repr__ = __str__


class MonitoredItemModifyResult(FrozenClass):
    '''
    :ivar StatusCode:
    :vartype StatusCode: StatusCode
    :ivar RevisedSamplingInterval:
    :vartype RevisedSamplingInterval: Double
    :ivar RevisedQueueSize:
    :vartype RevisedQueueSize: UInt32
    :ivar FilterResult:
    :vartype FilterResult: ExtensionObject
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.StatusCode = StatusCode()
        self.RevisedSamplingInterval = 0
        self.RevisedQueueSize = 0
        self.FilterResult = None
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.StatusCode.to_binary())
        packet.append(uatype_Double.pack(self.RevisedSamplingInterval))
        packet.append(uatype_UInt32.pack(self.RevisedQueueSize))
        packet.append(extensionobject_to_binary(self.FilterResult))
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return MonitoredItemModifyResult(data)

    def _binary_init(self, data):
        self.StatusCode = StatusCode.from_binary(data)
        self.RevisedSamplingInterval = uatype_Double.unpack(data.read(8))[0]
        self.RevisedQueueSize = uatype_UInt32.unpack(data.read(4))[0]
        self.FilterResult = extensionobject_from_binary(data)

    def __str__(self):
        return 'MonitoredItemModifyResult(' + 'StatusCode:' + str(self.StatusCode) + ', ' + \
               'RevisedSamplingInterval:' + str(self.RevisedSamplingInterval) + ', ' + \
               'RevisedQueueSize:' + str(self.RevisedQueueSize) + ', ' + \
               'FilterResult:' + str(self.FilterResult) + ')'

    __repr__ = __str__


class ModifyMonitoredItemsParameters(FrozenClass):
    '''
    :ivar SubscriptionId:
    :vartype SubscriptionId: UInt32
    :ivar TimestampsToReturn:
    :vartype TimestampsToReturn: TimestampsToReturn
    :ivar ItemsToModify:
    :vartype ItemsToModify: MonitoredItemModifyRequest
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.SubscriptionId = 0
        self.TimestampsToReturn = TimestampsToReturn(0)
        self.ItemsToModify = []
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(uatype_UInt32.pack(self.SubscriptionId))
        packet.append(uatype_UInt32.pack(self.TimestampsToReturn.value))
        packet.append(uatype_Int32.pack(len(self.ItemsToModify)))
        for fieldname in self.ItemsToModify:
            packet.append(fieldname.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return ModifyMonitoredItemsParameters(data)

    def _binary_init(self, data):
        self.SubscriptionId = uatype_UInt32.unpack(data.read(4))[0]
        self.TimestampsToReturn = TimestampsToReturn(uatype_UInt32.unpack(data.read(4))[0])
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(MonitoredItemModifyRequest.from_binary(data))
        self.ItemsToModify = array

    def __str__(self):
        return 'ModifyMonitoredItemsParameters(' + 'SubscriptionId:' + str(self.SubscriptionId) + ', ' + \
               'TimestampsToReturn:' + str(self.TimestampsToReturn) + ', ' + \
               'ItemsToModify:' + str(self.ItemsToModify) + ')'

    __repr__ = __str__


class ModifyMonitoredItemsRequest(FrozenClass):
    '''
    :ivar TypeId:
    :vartype TypeId: NodeId
    :ivar RequestHeader:
    :vartype RequestHeader: RequestHeader
    :ivar Parameters:
    :vartype Parameters: ModifyMonitoredItemsParameters
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.TypeId = FourByteNodeId(ObjectIds.ModifyMonitoredItemsRequest_Encoding_DefaultBinary)
        self.RequestHeader = RequestHeader()
        self.Parameters = ModifyMonitoredItemsParameters()
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.TypeId.to_binary())
        packet.append(self.RequestHeader.to_binary())
        packet.append(self.Parameters.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return ModifyMonitoredItemsRequest(data)

    def _binary_init(self, data):
        self.TypeId = NodeId.from_binary(data)
        self.RequestHeader = RequestHeader.from_binary(data)
        self.Parameters = ModifyMonitoredItemsParameters.from_binary(data)

    def __str__(self):
        return 'ModifyMonitoredItemsRequest(' + 'TypeId:' + str(self.TypeId) + ', ' + \
               'RequestHeader:' + str(self.RequestHeader) + ', ' + \
               'Parameters:' + str(self.Parameters) + ')'

    __repr__ = __str__


class ModifyMonitoredItemsResponse(FrozenClass):
    '''
    :ivar TypeId:
    :vartype TypeId: NodeId
    :ivar ResponseHeader:
    :vartype ResponseHeader: ResponseHeader
    :ivar Results:
    :vartype Results: MonitoredItemModifyResult
    :ivar DiagnosticInfos:
    :vartype DiagnosticInfos: DiagnosticInfo
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.TypeId = FourByteNodeId(ObjectIds.ModifyMonitoredItemsResponse_Encoding_DefaultBinary)
        self.ResponseHeader = ResponseHeader()
        self.Results = []
        self.DiagnosticInfos = []
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.TypeId.to_binary())
        packet.append(self.ResponseHeader.to_binary())
        packet.append(uatype_Int32.pack(len(self.Results)))
        for fieldname in self.Results:
            packet.append(fieldname.to_binary())
        packet.append(uatype_Int32.pack(len(self.DiagnosticInfos)))
        for fieldname in self.DiagnosticInfos:
            packet.append(fieldname.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return ModifyMonitoredItemsResponse(data)

    def _binary_init(self, data):
        self.TypeId = NodeId.from_binary(data)
        self.ResponseHeader = ResponseHeader.from_binary(data)
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(MonitoredItemModifyResult.from_binary(data))
        self.Results = array
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(DiagnosticInfo.from_binary(data))
        self.DiagnosticInfos = array

    def __str__(self):
        return 'ModifyMonitoredItemsResponse(' + 'TypeId:' + str(self.TypeId) + ', ' + \
               'ResponseHeader:' + str(self.ResponseHeader) + ', ' + \
               'Results:' + str(self.Results) + ', ' + \
               'DiagnosticInfos:' + str(self.DiagnosticInfos) + ')'

    __repr__ = __str__


class SetMonitoringModeParameters(FrozenClass):
    '''
    :ivar SubscriptionId:
    :vartype SubscriptionId: UInt32
    :ivar MonitoringMode:
    :vartype MonitoringMode: MonitoringMode
    :ivar MonitoredItemIds:
    :vartype MonitoredItemIds: UInt32
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.SubscriptionId = 0
        self.MonitoringMode = MonitoringMode(0)
        self.MonitoredItemIds = []
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(uatype_UInt32.pack(self.SubscriptionId))
        packet.append(uatype_UInt32.pack(self.MonitoringMode.value))
        packet.append(uatype_Int32.pack(len(self.MonitoredItemIds)))
        for fieldname in self.MonitoredItemIds:
            packet.append(uatype_UInt32.pack(fieldname))
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return SetMonitoringModeParameters(data)

    def _binary_init(self, data):
        self.SubscriptionId = uatype_UInt32.unpack(data.read(4))[0]
        self.MonitoringMode = MonitoringMode(uatype_UInt32.unpack(data.read(4))[0])
        self.MonitoredItemIds = unpack_uatype_array('UInt32', data)

    def __str__(self):
        return 'SetMonitoringModeParameters(' + 'SubscriptionId:' + str(self.SubscriptionId) + ', ' + \
               'MonitoringMode:' + str(self.MonitoringMode) + ', ' + \
               'MonitoredItemIds:' + str(self.MonitoredItemIds) + ')'

    __repr__ = __str__


class SetMonitoringModeRequest(FrozenClass):
    '''
    :ivar TypeId:
    :vartype TypeId: NodeId
    :ivar RequestHeader:
    :vartype RequestHeader: RequestHeader
    :ivar Parameters:
    :vartype Parameters: SetMonitoringModeParameters
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.TypeId = FourByteNodeId(ObjectIds.SetMonitoringModeRequest_Encoding_DefaultBinary)
        self.RequestHeader = RequestHeader()
        self.Parameters = SetMonitoringModeParameters()
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.TypeId.to_binary())
        packet.append(self.RequestHeader.to_binary())
        packet.append(self.Parameters.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return SetMonitoringModeRequest(data)

    def _binary_init(self, data):
        self.TypeId = NodeId.from_binary(data)
        self.RequestHeader = RequestHeader.from_binary(data)
        self.Parameters = SetMonitoringModeParameters.from_binary(data)

    def __str__(self):
        return 'SetMonitoringModeRequest(' + 'TypeId:' + str(self.TypeId) + ', ' + \
               'RequestHeader:' + str(self.RequestHeader) + ', ' + \
               'Parameters:' + str(self.Parameters) + ')'

    __repr__ = __str__


class SetMonitoringModeResult(FrozenClass):
    '''
    :ivar Results:
    :vartype Results: StatusCode
    :ivar DiagnosticInfos:
    :vartype DiagnosticInfos: DiagnosticInfo
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.Results = []
        self.DiagnosticInfos = []
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(uatype_Int32.pack(len(self.Results)))
        for fieldname in self.Results:
            packet.append(fieldname.to_binary())
        packet.append(uatype_Int32.pack(len(self.DiagnosticInfos)))
        for fieldname in self.DiagnosticInfos:
            packet.append(fieldname.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return SetMonitoringModeResult(data)

    def _binary_init(self, data):
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(StatusCode.from_binary(data))
        self.Results = array
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(DiagnosticInfo.from_binary(data))
        self.DiagnosticInfos = array

    def __str__(self):
        return 'SetMonitoringModeResult(' + 'Results:' + str(self.Results) + ', ' + \
               'DiagnosticInfos:' + str(self.DiagnosticInfos) + ')'

    __repr__ = __str__


class SetMonitoringModeResponse(FrozenClass):
    '''
    :ivar TypeId:
    :vartype TypeId: NodeId
    :ivar ResponseHeader:
    :vartype ResponseHeader: ResponseHeader
    :ivar Parameters:
    :vartype Parameters: SetMonitoringModeResult
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.TypeId = FourByteNodeId(ObjectIds.SetMonitoringModeResponse_Encoding_DefaultBinary)
        self.ResponseHeader = ResponseHeader()
        self.Parameters = SetMonitoringModeResult()
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.TypeId.to_binary())
        packet.append(self.ResponseHeader.to_binary())
        packet.append(self.Parameters.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return SetMonitoringModeResponse(data)

    def _binary_init(self, data):
        self.TypeId = NodeId.from_binary(data)
        self.ResponseHeader = ResponseHeader.from_binary(data)
        self.Parameters = SetMonitoringModeResult.from_binary(data)

    def __str__(self):
        return 'SetMonitoringModeResponse(' + 'TypeId:' + str(self.TypeId) + ', ' + \
               'ResponseHeader:' + str(self.ResponseHeader) + ', ' + \
               'Parameters:' + str(self.Parameters) + ')'

    __repr__ = __str__


class SetTriggeringParameters(FrozenClass):
    '''
    :ivar SubscriptionId:
    :vartype SubscriptionId: UInt32
    :ivar TriggeringItemId:
    :vartype TriggeringItemId: UInt32
    :ivar LinksToAdd:
    :vartype LinksToAdd: UInt32
    :ivar LinksToRemove:
    :vartype LinksToRemove: UInt32
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.SubscriptionId = 0
        self.TriggeringItemId = 0
        self.LinksToAdd = []
        self.LinksToRemove = []
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(uatype_UInt32.pack(self.SubscriptionId))
        packet.append(uatype_UInt32.pack(self.TriggeringItemId))
        packet.append(uatype_Int32.pack(len(self.LinksToAdd)))
        for fieldname in self.LinksToAdd:
            packet.append(uatype_UInt32.pack(fieldname))
        packet.append(uatype_Int32.pack(len(self.LinksToRemove)))
        for fieldname in self.LinksToRemove:
            packet.append(uatype_UInt32.pack(fieldname))
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return SetTriggeringParameters(data)

    def _binary_init(self, data):
        self.SubscriptionId = uatype_UInt32.unpack(data.read(4))[0]
        self.TriggeringItemId = uatype_UInt32.unpack(data.read(4))[0]
        self.LinksToAdd = unpack_uatype_array('UInt32', data)
        self.LinksToRemove = unpack_uatype_array('UInt32', data)

    def __str__(self):
        return 'SetTriggeringParameters(' + 'SubscriptionId:' + str(self.SubscriptionId) + ', ' + \
               'TriggeringItemId:' + str(self.TriggeringItemId) + ', ' + \
               'LinksToAdd:' + str(self.LinksToAdd) + ', ' + \
               'LinksToRemove:' + str(self.LinksToRemove) + ')'

    __repr__ = __str__


class SetTriggeringRequest(FrozenClass):
    '''
    :ivar TypeId:
    :vartype TypeId: NodeId
    :ivar RequestHeader:
    :vartype RequestHeader: RequestHeader
    :ivar Parameters:
    :vartype Parameters: SetTriggeringParameters
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.TypeId = FourByteNodeId(ObjectIds.SetTriggeringRequest_Encoding_DefaultBinary)
        self.RequestHeader = RequestHeader()
        self.Parameters = SetTriggeringParameters()
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.TypeId.to_binary())
        packet.append(self.RequestHeader.to_binary())
        packet.append(self.Parameters.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return SetTriggeringRequest(data)

    def _binary_init(self, data):
        self.TypeId = NodeId.from_binary(data)
        self.RequestHeader = RequestHeader.from_binary(data)
        self.Parameters = SetTriggeringParameters.from_binary(data)

    def __str__(self):
        return 'SetTriggeringRequest(' + 'TypeId:' + str(self.TypeId) + ', ' + \
               'RequestHeader:' + str(self.RequestHeader) + ', ' + \
               'Parameters:' + str(self.Parameters) + ')'

    __repr__ = __str__


class SetTriggeringResult(FrozenClass):
    '''
    :ivar AddResults:
    :vartype AddResults: StatusCode
    :ivar AddDiagnosticInfos:
    :vartype AddDiagnosticInfos: DiagnosticInfo
    :ivar RemoveResults:
    :vartype RemoveResults: StatusCode
    :ivar RemoveDiagnosticInfos:
    :vartype RemoveDiagnosticInfos: DiagnosticInfo
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.AddResults = []
        self.AddDiagnosticInfos = []
        self.RemoveResults = []
        self.RemoveDiagnosticInfos = []
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(uatype_Int32.pack(len(self.AddResults)))
        for fieldname in self.AddResults:
            packet.append(fieldname.to_binary())
        packet.append(uatype_Int32.pack(len(self.AddDiagnosticInfos)))
        for fieldname in self.AddDiagnosticInfos:
            packet.append(fieldname.to_binary())
        packet.append(uatype_Int32.pack(len(self.RemoveResults)))
        for fieldname in self.RemoveResults:
            packet.append(fieldname.to_binary())
        packet.append(uatype_Int32.pack(len(self.RemoveDiagnosticInfos)))
        for fieldname in self.RemoveDiagnosticInfos:
            packet.append(fieldname.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return SetTriggeringResult(data)

    def _binary_init(self, data):
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(StatusCode.from_binary(data))
        self.AddResults = array
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(DiagnosticInfo.from_binary(data))
        self.AddDiagnosticInfos = array
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(StatusCode.from_binary(data))
        self.RemoveResults = array
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(DiagnosticInfo.from_binary(data))
        self.RemoveDiagnosticInfos = array

    def __str__(self):
        return 'SetTriggeringResult(' + 'AddResults:' + str(self.AddResults) + ', ' + \
               'AddDiagnosticInfos:' + str(self.AddDiagnosticInfos) + ', ' + \
               'RemoveResults:' + str(self.RemoveResults) + ', ' + \
               'RemoveDiagnosticInfos:' + str(self.RemoveDiagnosticInfos) + ')'

    __repr__ = __str__


class SetTriggeringResponse(FrozenClass):
    '''
    :ivar TypeId:
    :vartype TypeId: NodeId
    :ivar ResponseHeader:
    :vartype ResponseHeader: ResponseHeader
    :ivar Parameters:
    :vartype Parameters: SetTriggeringResult
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.TypeId = FourByteNodeId(ObjectIds.SetTriggeringResponse_Encoding_DefaultBinary)
        self.ResponseHeader = ResponseHeader()
        self.Parameters = SetTriggeringResult()
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.TypeId.to_binary())
        packet.append(self.ResponseHeader.to_binary())
        packet.append(self.Parameters.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return SetTriggeringResponse(data)

    def _binary_init(self, data):
        self.TypeId = NodeId.from_binary(data)
        self.ResponseHeader = ResponseHeader.from_binary(data)
        self.Parameters = SetTriggeringResult.from_binary(data)

    def __str__(self):
        return 'SetTriggeringResponse(' + 'TypeId:' + str(self.TypeId) + ', ' + \
               'ResponseHeader:' + str(self.ResponseHeader) + ', ' + \
               'Parameters:' + str(self.Parameters) + ')'

    __repr__ = __str__


class DeleteMonitoredItemsParameters(FrozenClass):
    '''
    :ivar SubscriptionId:
    :vartype SubscriptionId: UInt32
    :ivar MonitoredItemIds:
    :vartype MonitoredItemIds: UInt32
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.SubscriptionId = 0
        self.MonitoredItemIds = []
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(uatype_UInt32.pack(self.SubscriptionId))
        packet.append(uatype_Int32.pack(len(self.MonitoredItemIds)))
        for fieldname in self.MonitoredItemIds:
            packet.append(uatype_UInt32.pack(fieldname))
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return DeleteMonitoredItemsParameters(data)

    def _binary_init(self, data):
        self.SubscriptionId = uatype_UInt32.unpack(data.read(4))[0]
        self.MonitoredItemIds = unpack_uatype_array('UInt32', data)

    def __str__(self):
        return 'DeleteMonitoredItemsParameters(' + 'SubscriptionId:' + str(self.SubscriptionId) + ', ' + \
               'MonitoredItemIds:' + str(self.MonitoredItemIds) + ')'

    __repr__ = __str__


class DeleteMonitoredItemsRequest(FrozenClass):
    '''
    :ivar TypeId:
    :vartype TypeId: NodeId
    :ivar RequestHeader:
    :vartype RequestHeader: RequestHeader
    :ivar Parameters:
    :vartype Parameters: DeleteMonitoredItemsParameters
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.TypeId = FourByteNodeId(ObjectIds.DeleteMonitoredItemsRequest_Encoding_DefaultBinary)
        self.RequestHeader = RequestHeader()
        self.Parameters = DeleteMonitoredItemsParameters()
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.TypeId.to_binary())
        packet.append(self.RequestHeader.to_binary())
        packet.append(self.Parameters.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return DeleteMonitoredItemsRequest(data)

    def _binary_init(self, data):
        self.TypeId = NodeId.from_binary(data)
        self.RequestHeader = RequestHeader.from_binary(data)
        self.Parameters = DeleteMonitoredItemsParameters.from_binary(data)

    def __str__(self):
        return 'DeleteMonitoredItemsRequest(' + 'TypeId:' + str(self.TypeId) + ', ' + \
               'RequestHeader:' + str(self.RequestHeader) + ', ' + \
               'Parameters:' + str(self.Parameters) + ')'

    __repr__ = __str__


class DeleteMonitoredItemsResponse(FrozenClass):
    '''
    :ivar TypeId:
    :vartype TypeId: NodeId
    :ivar ResponseHeader:
    :vartype ResponseHeader: ResponseHeader
    :ivar Results:
    :vartype Results: StatusCode
    :ivar DiagnosticInfos:
    :vartype DiagnosticInfos: DiagnosticInfo
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.TypeId = FourByteNodeId(ObjectIds.DeleteMonitoredItemsResponse_Encoding_DefaultBinary)
        self.ResponseHeader = ResponseHeader()
        self.Results = []
        self.DiagnosticInfos = []
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.TypeId.to_binary())
        packet.append(self.ResponseHeader.to_binary())
        packet.append(uatype_Int32.pack(len(self.Results)))
        for fieldname in self.Results:
            packet.append(fieldname.to_binary())
        packet.append(uatype_Int32.pack(len(self.DiagnosticInfos)))
        for fieldname in self.DiagnosticInfos:
            packet.append(fieldname.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return DeleteMonitoredItemsResponse(data)

    def _binary_init(self, data):
        self.TypeId = NodeId.from_binary(data)
        self.ResponseHeader = ResponseHeader.from_binary(data)
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(StatusCode.from_binary(data))
        self.Results = array
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(DiagnosticInfo.from_binary(data))
        self.DiagnosticInfos = array

    def __str__(self):
        return 'DeleteMonitoredItemsResponse(' + 'TypeId:' + str(self.TypeId) + ', ' + \
               'ResponseHeader:' + str(self.ResponseHeader) + ', ' + \
               'Results:' + str(self.Results) + ', ' + \
               'DiagnosticInfos:' + str(self.DiagnosticInfos) + ')'

    __repr__ = __str__


class CreateSubscriptionParameters(FrozenClass):
    '''
    :ivar RequestedPublishingInterval:
    :vartype RequestedPublishingInterval: Double
    :ivar RequestedLifetimeCount:
    :vartype RequestedLifetimeCount: UInt32
    :ivar RequestedMaxKeepAliveCount:
    :vartype RequestedMaxKeepAliveCount: UInt32
    :ivar MaxNotificationsPerPublish:
    :vartype MaxNotificationsPerPublish: UInt32
    :ivar PublishingEnabled:
    :vartype PublishingEnabled: Boolean
    :ivar Priority:
    :vartype Priority: Byte
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.RequestedPublishingInterval = 0
        self.RequestedLifetimeCount = 0
        self.RequestedMaxKeepAliveCount = 0
        self.MaxNotificationsPerPublish = 0
        self.PublishingEnabled = True
        self.Priority = 0
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(uatype_Double.pack(self.RequestedPublishingInterval))
        packet.append(uatype_UInt32.pack(self.RequestedLifetimeCount))
        packet.append(uatype_UInt32.pack(self.RequestedMaxKeepAliveCount))
        packet.append(uatype_UInt32.pack(self.MaxNotificationsPerPublish))
        packet.append(uatype_Boolean.pack(self.PublishingEnabled))
        packet.append(uatype_Byte.pack(self.Priority))
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return CreateSubscriptionParameters(data)

    def _binary_init(self, data):
        self.RequestedPublishingInterval = uatype_Double.unpack(data.read(8))[0]
        self.RequestedLifetimeCount = uatype_UInt32.unpack(data.read(4))[0]
        self.RequestedMaxKeepAliveCount = uatype_UInt32.unpack(data.read(4))[0]
        self.MaxNotificationsPerPublish = uatype_UInt32.unpack(data.read(4))[0]
        self.PublishingEnabled = uatype_Boolean.unpack(data.read(1))[0]
        self.Priority = uatype_Byte.unpack(data.read(1))[0]

    def __str__(self):
        return 'CreateSubscriptionParameters(' + 'RequestedPublishingInterval:' + str(self.RequestedPublishingInterval) + ', ' + \
               'RequestedLifetimeCount:' + str(self.RequestedLifetimeCount) + ', ' + \
               'RequestedMaxKeepAliveCount:' + str(self.RequestedMaxKeepAliveCount) + ', ' + \
               'MaxNotificationsPerPublish:' + str(self.MaxNotificationsPerPublish) + ', ' + \
               'PublishingEnabled:' + str(self.PublishingEnabled) + ', ' + \
               'Priority:' + str(self.Priority) + ')'

    __repr__ = __str__


class CreateSubscriptionRequest(FrozenClass):
    '''
    :ivar TypeId:
    :vartype TypeId: NodeId
    :ivar RequestHeader:
    :vartype RequestHeader: RequestHeader
    :ivar Parameters:
    :vartype Parameters: CreateSubscriptionParameters
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.TypeId = FourByteNodeId(ObjectIds.CreateSubscriptionRequest_Encoding_DefaultBinary)
        self.RequestHeader = RequestHeader()
        self.Parameters = CreateSubscriptionParameters()
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.TypeId.to_binary())
        packet.append(self.RequestHeader.to_binary())
        packet.append(self.Parameters.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return CreateSubscriptionRequest(data)

    def _binary_init(self, data):
        self.TypeId = NodeId.from_binary(data)
        self.RequestHeader = RequestHeader.from_binary(data)
        self.Parameters = CreateSubscriptionParameters.from_binary(data)

    def __str__(self):
        return 'CreateSubscriptionRequest(' + 'TypeId:' + str(self.TypeId) + ', ' + \
               'RequestHeader:' + str(self.RequestHeader) + ', ' + \
               'Parameters:' + str(self.Parameters) + ')'

    __repr__ = __str__


class CreateSubscriptionResult(FrozenClass):
    '''
    :ivar SubscriptionId:
    :vartype SubscriptionId: UInt32
    :ivar RevisedPublishingInterval:
    :vartype RevisedPublishingInterval: Double
    :ivar RevisedLifetimeCount:
    :vartype RevisedLifetimeCount: UInt32
    :ivar RevisedMaxKeepAliveCount:
    :vartype RevisedMaxKeepAliveCount: UInt32
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.SubscriptionId = 0
        self.RevisedPublishingInterval = 0
        self.RevisedLifetimeCount = 0
        self.RevisedMaxKeepAliveCount = 0
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(uatype_UInt32.pack(self.SubscriptionId))
        packet.append(uatype_Double.pack(self.RevisedPublishingInterval))
        packet.append(uatype_UInt32.pack(self.RevisedLifetimeCount))
        packet.append(uatype_UInt32.pack(self.RevisedMaxKeepAliveCount))
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return CreateSubscriptionResult(data)

    def _binary_init(self, data):
        self.SubscriptionId = uatype_UInt32.unpack(data.read(4))[0]
        self.RevisedPublishingInterval = uatype_Double.unpack(data.read(8))[0]
        self.RevisedLifetimeCount = uatype_UInt32.unpack(data.read(4))[0]
        self.RevisedMaxKeepAliveCount = uatype_UInt32.unpack(data.read(4))[0]

    def __str__(self):
        return 'CreateSubscriptionResult(' + 'SubscriptionId:' + str(self.SubscriptionId) + ', ' + \
               'RevisedPublishingInterval:' + str(self.RevisedPublishingInterval) + ', ' + \
               'RevisedLifetimeCount:' + str(self.RevisedLifetimeCount) + ', ' + \
               'RevisedMaxKeepAliveCount:' + str(self.RevisedMaxKeepAliveCount) + ')'

    __repr__ = __str__


class CreateSubscriptionResponse(FrozenClass):
    '''
    :ivar TypeId:
    :vartype TypeId: NodeId
    :ivar ResponseHeader:
    :vartype ResponseHeader: ResponseHeader
    :ivar Parameters:
    :vartype Parameters: CreateSubscriptionResult
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.TypeId = FourByteNodeId(ObjectIds.CreateSubscriptionResponse_Encoding_DefaultBinary)
        self.ResponseHeader = ResponseHeader()
        self.Parameters = CreateSubscriptionResult()
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.TypeId.to_binary())
        packet.append(self.ResponseHeader.to_binary())
        packet.append(self.Parameters.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return CreateSubscriptionResponse(data)

    def _binary_init(self, data):
        self.TypeId = NodeId.from_binary(data)
        self.ResponseHeader = ResponseHeader.from_binary(data)
        self.Parameters = CreateSubscriptionResult.from_binary(data)

    def __str__(self):
        return 'CreateSubscriptionResponse(' + 'TypeId:' + str(self.TypeId) + ', ' + \
               'ResponseHeader:' + str(self.ResponseHeader) + ', ' + \
               'Parameters:' + str(self.Parameters) + ')'

    __repr__ = __str__


class ModifySubscriptionParameters(FrozenClass):
    '''
    :ivar SubscriptionId:
    :vartype SubscriptionId: UInt32
    :ivar RequestedPublishingInterval:
    :vartype RequestedPublishingInterval: Double
    :ivar RequestedLifetimeCount:
    :vartype RequestedLifetimeCount: UInt32
    :ivar RequestedMaxKeepAliveCount:
    :vartype RequestedMaxKeepAliveCount: UInt32
    :ivar MaxNotificationsPerPublish:
    :vartype MaxNotificationsPerPublish: UInt32
    :ivar Priority:
    :vartype Priority: Byte
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.SubscriptionId = 0
        self.RequestedPublishingInterval = 0
        self.RequestedLifetimeCount = 0
        self.RequestedMaxKeepAliveCount = 0
        self.MaxNotificationsPerPublish = 0
        self.Priority = 0
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(uatype_UInt32.pack(self.SubscriptionId))
        packet.append(uatype_Double.pack(self.RequestedPublishingInterval))
        packet.append(uatype_UInt32.pack(self.RequestedLifetimeCount))
        packet.append(uatype_UInt32.pack(self.RequestedMaxKeepAliveCount))
        packet.append(uatype_UInt32.pack(self.MaxNotificationsPerPublish))
        packet.append(uatype_Byte.pack(self.Priority))
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return ModifySubscriptionParameters(data)

    def _binary_init(self, data):
        self.SubscriptionId = uatype_UInt32.unpack(data.read(4))[0]
        self.RequestedPublishingInterval = uatype_Double.unpack(data.read(8))[0]
        self.RequestedLifetimeCount = uatype_UInt32.unpack(data.read(4))[0]
        self.RequestedMaxKeepAliveCount = uatype_UInt32.unpack(data.read(4))[0]
        self.MaxNotificationsPerPublish = uatype_UInt32.unpack(data.read(4))[0]
        self.Priority = uatype_Byte.unpack(data.read(1))[0]

    def __str__(self):
        return 'ModifySubscriptionParameters(' + 'SubscriptionId:' + str(self.SubscriptionId) + ', ' + \
               'RequestedPublishingInterval:' + str(self.RequestedPublishingInterval) + ', ' + \
               'RequestedLifetimeCount:' + str(self.RequestedLifetimeCount) + ', ' + \
               'RequestedMaxKeepAliveCount:' + str(self.RequestedMaxKeepAliveCount) + ', ' + \
               'MaxNotificationsPerPublish:' + str(self.MaxNotificationsPerPublish) + ', ' + \
               'Priority:' + str(self.Priority) + ')'

    __repr__ = __str__


class ModifySubscriptionRequest(FrozenClass):
    '''
    :ivar TypeId:
    :vartype TypeId: NodeId
    :ivar RequestHeader:
    :vartype RequestHeader: RequestHeader
    :ivar Parameters:
    :vartype Parameters: ModifySubscriptionParameters
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.TypeId = FourByteNodeId(ObjectIds.ModifySubscriptionRequest_Encoding_DefaultBinary)
        self.RequestHeader = RequestHeader()
        self.Parameters = ModifySubscriptionParameters()
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.TypeId.to_binary())
        packet.append(self.RequestHeader.to_binary())
        packet.append(self.Parameters.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return ModifySubscriptionRequest(data)

    def _binary_init(self, data):
        self.TypeId = NodeId.from_binary(data)
        self.RequestHeader = RequestHeader.from_binary(data)
        self.Parameters = ModifySubscriptionParameters.from_binary(data)

    def __str__(self):
        return 'ModifySubscriptionRequest(' + 'TypeId:' + str(self.TypeId) + ', ' + \
               'RequestHeader:' + str(self.RequestHeader) + ', ' + \
               'Parameters:' + str(self.Parameters) + ')'

    __repr__ = __str__


class ModifySubscriptionResult(FrozenClass):
    '''
    :ivar RevisedPublishingInterval:
    :vartype RevisedPublishingInterval: Double
    :ivar RevisedLifetimeCount:
    :vartype RevisedLifetimeCount: UInt32
    :ivar RevisedMaxKeepAliveCount:
    :vartype RevisedMaxKeepAliveCount: UInt32
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.RevisedPublishingInterval = 0
        self.RevisedLifetimeCount = 0
        self.RevisedMaxKeepAliveCount = 0
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(uatype_Double.pack(self.RevisedPublishingInterval))
        packet.append(uatype_UInt32.pack(self.RevisedLifetimeCount))
        packet.append(uatype_UInt32.pack(self.RevisedMaxKeepAliveCount))
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return ModifySubscriptionResult(data)

    def _binary_init(self, data):
        self.RevisedPublishingInterval = uatype_Double.unpack(data.read(8))[0]
        self.RevisedLifetimeCount = uatype_UInt32.unpack(data.read(4))[0]
        self.RevisedMaxKeepAliveCount = uatype_UInt32.unpack(data.read(4))[0]

    def __str__(self):
        return 'ModifySubscriptionResult(' + 'RevisedPublishingInterval:' + str(self.RevisedPublishingInterval) + ', ' + \
               'RevisedLifetimeCount:' + str(self.RevisedLifetimeCount) + ', ' + \
               'RevisedMaxKeepAliveCount:' + str(self.RevisedMaxKeepAliveCount) + ')'

    __repr__ = __str__


class ModifySubscriptionResponse(FrozenClass):
    '''
    :ivar TypeId:
    :vartype TypeId: NodeId
    :ivar ResponseHeader:
    :vartype ResponseHeader: ResponseHeader
    :ivar Parameters:
    :vartype Parameters: ModifySubscriptionResult
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.TypeId = FourByteNodeId(ObjectIds.ModifySubscriptionResponse_Encoding_DefaultBinary)
        self.ResponseHeader = ResponseHeader()
        self.Parameters = ModifySubscriptionResult()
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.TypeId.to_binary())
        packet.append(self.ResponseHeader.to_binary())
        packet.append(self.Parameters.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return ModifySubscriptionResponse(data)

    def _binary_init(self, data):
        self.TypeId = NodeId.from_binary(data)
        self.ResponseHeader = ResponseHeader.from_binary(data)
        self.Parameters = ModifySubscriptionResult.from_binary(data)

    def __str__(self):
        return 'ModifySubscriptionResponse(' + 'TypeId:' + str(self.TypeId) + ', ' + \
               'ResponseHeader:' + str(self.ResponseHeader) + ', ' + \
               'Parameters:' + str(self.Parameters) + ')'

    __repr__ = __str__


class SetPublishingModeParameters(FrozenClass):
    '''
    :ivar PublishingEnabled:
    :vartype PublishingEnabled: Boolean
    :ivar SubscriptionIds:
    :vartype SubscriptionIds: UInt32
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.PublishingEnabled = True
        self.SubscriptionIds = []
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(uatype_Boolean.pack(self.PublishingEnabled))
        packet.append(uatype_Int32.pack(len(self.SubscriptionIds)))
        for fieldname in self.SubscriptionIds:
            packet.append(uatype_UInt32.pack(fieldname))
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return SetPublishingModeParameters(data)

    def _binary_init(self, data):
        self.PublishingEnabled = uatype_Boolean.unpack(data.read(1))[0]
        self.SubscriptionIds = unpack_uatype_array('UInt32', data)

    def __str__(self):
        return 'SetPublishingModeParameters(' + 'PublishingEnabled:' + str(self.PublishingEnabled) + ', ' + \
               'SubscriptionIds:' + str(self.SubscriptionIds) + ')'

    __repr__ = __str__


class SetPublishingModeRequest(FrozenClass):
    '''
    :ivar TypeId:
    :vartype TypeId: NodeId
    :ivar RequestHeader:
    :vartype RequestHeader: RequestHeader
    :ivar Parameters:
    :vartype Parameters: SetPublishingModeParameters
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.TypeId = FourByteNodeId(ObjectIds.SetPublishingModeRequest_Encoding_DefaultBinary)
        self.RequestHeader = RequestHeader()
        self.Parameters = SetPublishingModeParameters()
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.TypeId.to_binary())
        packet.append(self.RequestHeader.to_binary())
        packet.append(self.Parameters.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return SetPublishingModeRequest(data)

    def _binary_init(self, data):
        self.TypeId = NodeId.from_binary(data)
        self.RequestHeader = RequestHeader.from_binary(data)
        self.Parameters = SetPublishingModeParameters.from_binary(data)

    def __str__(self):
        return 'SetPublishingModeRequest(' + 'TypeId:' + str(self.TypeId) + ', ' + \
               'RequestHeader:' + str(self.RequestHeader) + ', ' + \
               'Parameters:' + str(self.Parameters) + ')'

    __repr__ = __str__


class SetPublishingModeResult(FrozenClass):
    '''
    :ivar Results:
    :vartype Results: StatusCode
    :ivar DiagnosticInfos:
    :vartype DiagnosticInfos: DiagnosticInfo
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.Results = []
        self.DiagnosticInfos = []
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(uatype_Int32.pack(len(self.Results)))
        for fieldname in self.Results:
            packet.append(fieldname.to_binary())
        packet.append(uatype_Int32.pack(len(self.DiagnosticInfos)))
        for fieldname in self.DiagnosticInfos:
            packet.append(fieldname.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return SetPublishingModeResult(data)

    def _binary_init(self, data):
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(StatusCode.from_binary(data))
        self.Results = array
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(DiagnosticInfo.from_binary(data))
        self.DiagnosticInfos = array

    def __str__(self):
        return 'SetPublishingModeResult(' + 'Results:' + str(self.Results) + ', ' + \
               'DiagnosticInfos:' + str(self.DiagnosticInfos) + ')'

    __repr__ = __str__


class SetPublishingModeResponse(FrozenClass):
    '''
    :ivar TypeId:
    :vartype TypeId: NodeId
    :ivar ResponseHeader:
    :vartype ResponseHeader: ResponseHeader
    :ivar Parameters:
    :vartype Parameters: SetPublishingModeResult
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.TypeId = FourByteNodeId(ObjectIds.SetPublishingModeResponse_Encoding_DefaultBinary)
        self.ResponseHeader = ResponseHeader()
        self.Parameters = SetPublishingModeResult()
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.TypeId.to_binary())
        packet.append(self.ResponseHeader.to_binary())
        packet.append(self.Parameters.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return SetPublishingModeResponse(data)

    def _binary_init(self, data):
        self.TypeId = NodeId.from_binary(data)
        self.ResponseHeader = ResponseHeader.from_binary(data)
        self.Parameters = SetPublishingModeResult.from_binary(data)

    def __str__(self):
        return 'SetPublishingModeResponse(' + 'TypeId:' + str(self.TypeId) + ', ' + \
               'ResponseHeader:' + str(self.ResponseHeader) + ', ' + \
               'Parameters:' + str(self.Parameters) + ')'

    __repr__ = __str__


class NotificationMessage(FrozenClass):
    '''
    :ivar SequenceNumber:
    :vartype SequenceNumber: UInt32
    :ivar PublishTime:
    :vartype PublishTime: DateTime
    :ivar NotificationData:
    :vartype NotificationData: ExtensionObject
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.SequenceNumber = 0
        self.PublishTime = datetime.now()
        self.NotificationData = []
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(uatype_UInt32.pack(self.SequenceNumber))
        packet.append(pack_datetime(self.PublishTime))
        packet.append(uatype_Int32.pack(len(self.NotificationData)))
        for fieldname in self.NotificationData:
            packet.append(extensionobject_to_binary(fieldname))
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return NotificationMessage(data)

    def _binary_init(self, data):
        self.SequenceNumber = uatype_UInt32.unpack(data.read(4))[0]
        self.PublishTime = unpack_datetime(data)
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(extensionobject_from_binary(data))
        self.NotificationData = array

    def __str__(self):
        return 'NotificationMessage(' + 'SequenceNumber:' + str(self.SequenceNumber) + ', ' + \
               'PublishTime:' + str(self.PublishTime) + ', ' + \
               'NotificationData:' + str(self.NotificationData) + ')'

    __repr__ = __str__


class NotificationData(FrozenClass):
    '''
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self._freeze = True

    def to_binary(self):
        packet = []
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return NotificationData(data)

    def _binary_init(self, data):
        pass

    def __str__(self):
        return 'NotificationData(' +  + ')'

    __repr__ = __str__


class DataChangeNotification(FrozenClass):
    '''
    :ivar MonitoredItems:
    :vartype MonitoredItems: MonitoredItemNotification
    :ivar DiagnosticInfos:
    :vartype DiagnosticInfos: DiagnosticInfo
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.MonitoredItems = []
        self.DiagnosticInfos = []
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(uatype_Int32.pack(len(self.MonitoredItems)))
        for fieldname in self.MonitoredItems:
            packet.append(fieldname.to_binary())
        packet.append(uatype_Int32.pack(len(self.DiagnosticInfos)))
        for fieldname in self.DiagnosticInfos:
            packet.append(fieldname.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return DataChangeNotification(data)

    def _binary_init(self, data):
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(MonitoredItemNotification.from_binary(data))
        self.MonitoredItems = array
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(DiagnosticInfo.from_binary(data))
        self.DiagnosticInfos = array

    def __str__(self):
        return 'DataChangeNotification(' + 'MonitoredItems:' + str(self.MonitoredItems) + ', ' + \
               'DiagnosticInfos:' + str(self.DiagnosticInfos) + ')'

    __repr__ = __str__


class MonitoredItemNotification(FrozenClass):
    '''
    :ivar ClientHandle:
    :vartype ClientHandle: UInt32
    :ivar Value:
    :vartype Value: DataValue
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.ClientHandle = 0
        self.Value = DataValue()
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(uatype_UInt32.pack(self.ClientHandle))
        packet.append(self.Value.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return MonitoredItemNotification(data)

    def _binary_init(self, data):
        self.ClientHandle = uatype_UInt32.unpack(data.read(4))[0]
        self.Value = DataValue.from_binary(data)

    def __str__(self):
        return 'MonitoredItemNotification(' + 'ClientHandle:' + str(self.ClientHandle) + ', ' + \
               'Value:' + str(self.Value) + ')'

    __repr__ = __str__


class EventNotificationList(FrozenClass):
    '''
    :ivar Events:
    :vartype Events: EventFieldList
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.Events = []
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(uatype_Int32.pack(len(self.Events)))
        for fieldname in self.Events:
            packet.append(fieldname.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return EventNotificationList(data)

    def _binary_init(self, data):
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(EventFieldList.from_binary(data))
        self.Events = array

    def __str__(self):
        return 'EventNotificationList(' + 'Events:' + str(self.Events) + ')'

    __repr__ = __str__


class EventFieldList(FrozenClass):
    '''
    :ivar ClientHandle:
    :vartype ClientHandle: UInt32
    :ivar EventFields:
    :vartype EventFields: Variant
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.ClientHandle = 0
        self.EventFields = []
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(uatype_UInt32.pack(self.ClientHandle))
        packet.append(uatype_Int32.pack(len(self.EventFields)))
        for fieldname in self.EventFields:
            packet.append(fieldname.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return EventFieldList(data)

    def _binary_init(self, data):
        self.ClientHandle = uatype_UInt32.unpack(data.read(4))[0]
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(Variant.from_binary(data))
        self.EventFields = array

    def __str__(self):
        return 'EventFieldList(' + 'ClientHandle:' + str(self.ClientHandle) + ', ' + \
               'EventFields:' + str(self.EventFields) + ')'

    __repr__ = __str__


class HistoryEventFieldList(FrozenClass):
    '''
    :ivar EventFields:
    :vartype EventFields: Variant
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.EventFields = []
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(uatype_Int32.pack(len(self.EventFields)))
        for fieldname in self.EventFields:
            packet.append(fieldname.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return HistoryEventFieldList(data)

    def _binary_init(self, data):
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(Variant.from_binary(data))
        self.EventFields = array

    def __str__(self):
        return 'HistoryEventFieldList(' + 'EventFields:' + str(self.EventFields) + ')'

    __repr__ = __str__


class StatusChangeNotification(FrozenClass):
    '''
    :ivar Status:
    :vartype Status: StatusCode
    :ivar DiagnosticInfo:
    :vartype DiagnosticInfo: DiagnosticInfo
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.Status = StatusCode()
        self.DiagnosticInfo = DiagnosticInfo()
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.Status.to_binary())
        packet.append(self.DiagnosticInfo.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return StatusChangeNotification(data)

    def _binary_init(self, data):
        self.Status = StatusCode.from_binary(data)
        self.DiagnosticInfo = DiagnosticInfo.from_binary(data)

    def __str__(self):
        return 'StatusChangeNotification(' + 'Status:' + str(self.Status) + ', ' + \
               'DiagnosticInfo:' + str(self.DiagnosticInfo) + ')'

    __repr__ = __str__


class SubscriptionAcknowledgement(FrozenClass):
    '''
    :ivar SubscriptionId:
    :vartype SubscriptionId: UInt32
    :ivar SequenceNumber:
    :vartype SequenceNumber: UInt32
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.SubscriptionId = 0
        self.SequenceNumber = 0
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(uatype_UInt32.pack(self.SubscriptionId))
        packet.append(uatype_UInt32.pack(self.SequenceNumber))
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return SubscriptionAcknowledgement(data)

    def _binary_init(self, data):
        self.SubscriptionId = uatype_UInt32.unpack(data.read(4))[0]
        self.SequenceNumber = uatype_UInt32.unpack(data.read(4))[0]

    def __str__(self):
        return 'SubscriptionAcknowledgement(' + 'SubscriptionId:' + str(self.SubscriptionId) + ', ' + \
               'SequenceNumber:' + str(self.SequenceNumber) + ')'

    __repr__ = __str__


class PublishParameters(FrozenClass):
    '''
    :ivar SubscriptionAcknowledgements:
    :vartype SubscriptionAcknowledgements: SubscriptionAcknowledgement
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.SubscriptionAcknowledgements = []
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(uatype_Int32.pack(len(self.SubscriptionAcknowledgements)))
        for fieldname in self.SubscriptionAcknowledgements:
            packet.append(fieldname.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return PublishParameters(data)

    def _binary_init(self, data):
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(SubscriptionAcknowledgement.from_binary(data))
        self.SubscriptionAcknowledgements = array

    def __str__(self):
        return 'PublishParameters(' + 'SubscriptionAcknowledgements:' + str(self.SubscriptionAcknowledgements) + ')'

    __repr__ = __str__


class PublishRequest(FrozenClass):
    '''
    :ivar TypeId:
    :vartype TypeId: NodeId
    :ivar RequestHeader:
    :vartype RequestHeader: RequestHeader
    :ivar Parameters:
    :vartype Parameters: PublishParameters
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.TypeId = FourByteNodeId(ObjectIds.PublishRequest_Encoding_DefaultBinary)
        self.RequestHeader = RequestHeader()
        self.Parameters = PublishParameters()
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.TypeId.to_binary())
        packet.append(self.RequestHeader.to_binary())
        packet.append(self.Parameters.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return PublishRequest(data)

    def _binary_init(self, data):
        self.TypeId = NodeId.from_binary(data)
        self.RequestHeader = RequestHeader.from_binary(data)
        self.Parameters = PublishParameters.from_binary(data)

    def __str__(self):
        return 'PublishRequest(' + 'TypeId:' + str(self.TypeId) + ', ' + \
               'RequestHeader:' + str(self.RequestHeader) + ', ' + \
               'Parameters:' + str(self.Parameters) + ')'

    __repr__ = __str__


class PublishResult(FrozenClass):
    '''
    :ivar SubscriptionId:
    :vartype SubscriptionId: UInt32
    :ivar AvailableSequenceNumbers:
    :vartype AvailableSequenceNumbers: UInt32
    :ivar MoreNotifications:
    :vartype MoreNotifications: Boolean
    :ivar NotificationMessage:
    :vartype NotificationMessage: NotificationMessage
    :ivar Results:
    :vartype Results: StatusCode
    :ivar DiagnosticInfos:
    :vartype DiagnosticInfos: DiagnosticInfo
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.SubscriptionId = 0
        self.AvailableSequenceNumbers = []
        self.MoreNotifications = True
        self.NotificationMessage = NotificationMessage()
        self.Results = []
        self.DiagnosticInfos = []
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(uatype_UInt32.pack(self.SubscriptionId))
        packet.append(uatype_Int32.pack(len(self.AvailableSequenceNumbers)))
        for fieldname in self.AvailableSequenceNumbers:
            packet.append(uatype_UInt32.pack(fieldname))
        packet.append(uatype_Boolean.pack(self.MoreNotifications))
        packet.append(self.NotificationMessage.to_binary())
        packet.append(uatype_Int32.pack(len(self.Results)))
        for fieldname in self.Results:
            packet.append(fieldname.to_binary())
        packet.append(uatype_Int32.pack(len(self.DiagnosticInfos)))
        for fieldname in self.DiagnosticInfos:
            packet.append(fieldname.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return PublishResult(data)

    def _binary_init(self, data):
        self.SubscriptionId = uatype_UInt32.unpack(data.read(4))[0]
        self.AvailableSequenceNumbers = unpack_uatype_array('UInt32', data)
        self.MoreNotifications = uatype_Boolean.unpack(data.read(1))[0]
        self.NotificationMessage = NotificationMessage.from_binary(data)
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(StatusCode.from_binary(data))
        self.Results = array
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(DiagnosticInfo.from_binary(data))
        self.DiagnosticInfos = array

    def __str__(self):
        return 'PublishResult(' + 'SubscriptionId:' + str(self.SubscriptionId) + ', ' + \
               'AvailableSequenceNumbers:' + str(self.AvailableSequenceNumbers) + ', ' + \
               'MoreNotifications:' + str(self.MoreNotifications) + ', ' + \
               'NotificationMessage:' + str(self.NotificationMessage) + ', ' + \
               'Results:' + str(self.Results) + ', ' + \
               'DiagnosticInfos:' + str(self.DiagnosticInfos) + ')'

    __repr__ = __str__


class PublishResponse(FrozenClass):
    '''
    :ivar TypeId:
    :vartype TypeId: NodeId
    :ivar ResponseHeader:
    :vartype ResponseHeader: ResponseHeader
    :ivar Parameters:
    :vartype Parameters: PublishResult
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.TypeId = FourByteNodeId(ObjectIds.PublishResponse_Encoding_DefaultBinary)
        self.ResponseHeader = ResponseHeader()
        self.Parameters = PublishResult()
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.TypeId.to_binary())
        packet.append(self.ResponseHeader.to_binary())
        packet.append(self.Parameters.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return PublishResponse(data)

    def _binary_init(self, data):
        self.TypeId = NodeId.from_binary(data)
        self.ResponseHeader = ResponseHeader.from_binary(data)
        self.Parameters = PublishResult.from_binary(data)

    def __str__(self):
        return 'PublishResponse(' + 'TypeId:' + str(self.TypeId) + ', ' + \
               'ResponseHeader:' + str(self.ResponseHeader) + ', ' + \
               'Parameters:' + str(self.Parameters) + ')'

    __repr__ = __str__


class RepublishParameters(FrozenClass):
    '''
    :ivar SubscriptionId:
    :vartype SubscriptionId: UInt32
    :ivar RetransmitSequenceNumber:
    :vartype RetransmitSequenceNumber: UInt32
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.SubscriptionId = 0
        self.RetransmitSequenceNumber = 0
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(uatype_UInt32.pack(self.SubscriptionId))
        packet.append(uatype_UInt32.pack(self.RetransmitSequenceNumber))
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return RepublishParameters(data)

    def _binary_init(self, data):
        self.SubscriptionId = uatype_UInt32.unpack(data.read(4))[0]
        self.RetransmitSequenceNumber = uatype_UInt32.unpack(data.read(4))[0]

    def __str__(self):
        return 'RepublishParameters(' + 'SubscriptionId:' + str(self.SubscriptionId) + ', ' + \
               'RetransmitSequenceNumber:' + str(self.RetransmitSequenceNumber) + ')'

    __repr__ = __str__


class RepublishRequest(FrozenClass):
    '''
    :ivar TypeId:
    :vartype TypeId: NodeId
    :ivar RequestHeader:
    :vartype RequestHeader: RequestHeader
    :ivar Parameters:
    :vartype Parameters: RepublishParameters
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.TypeId = FourByteNodeId(ObjectIds.RepublishRequest_Encoding_DefaultBinary)
        self.RequestHeader = RequestHeader()
        self.Parameters = RepublishParameters()
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.TypeId.to_binary())
        packet.append(self.RequestHeader.to_binary())
        packet.append(self.Parameters.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return RepublishRequest(data)

    def _binary_init(self, data):
        self.TypeId = NodeId.from_binary(data)
        self.RequestHeader = RequestHeader.from_binary(data)
        self.Parameters = RepublishParameters.from_binary(data)

    def __str__(self):
        return 'RepublishRequest(' + 'TypeId:' + str(self.TypeId) + ', ' + \
               'RequestHeader:' + str(self.RequestHeader) + ', ' + \
               'Parameters:' + str(self.Parameters) + ')'

    __repr__ = __str__


class RepublishResponse(FrozenClass):
    '''
    :ivar TypeId:
    :vartype TypeId: NodeId
    :ivar ResponseHeader:
    :vartype ResponseHeader: ResponseHeader
    :ivar NotificationMessage:
    :vartype NotificationMessage: NotificationMessage
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.TypeId = FourByteNodeId(ObjectIds.RepublishResponse_Encoding_DefaultBinary)
        self.ResponseHeader = ResponseHeader()
        self.NotificationMessage = NotificationMessage()
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.TypeId.to_binary())
        packet.append(self.ResponseHeader.to_binary())
        packet.append(self.NotificationMessage.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return RepublishResponse(data)

    def _binary_init(self, data):
        self.TypeId = NodeId.from_binary(data)
        self.ResponseHeader = ResponseHeader.from_binary(data)
        self.NotificationMessage = NotificationMessage.from_binary(data)

    def __str__(self):
        return 'RepublishResponse(' + 'TypeId:' + str(self.TypeId) + ', ' + \
               'ResponseHeader:' + str(self.ResponseHeader) + ', ' + \
               'NotificationMessage:' + str(self.NotificationMessage) + ')'

    __repr__ = __str__


class TransferResult(FrozenClass):
    '''
    :ivar StatusCode:
    :vartype StatusCode: StatusCode
    :ivar AvailableSequenceNumbers:
    :vartype AvailableSequenceNumbers: UInt32
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.StatusCode = StatusCode()
        self.AvailableSequenceNumbers = []
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.StatusCode.to_binary())
        packet.append(uatype_Int32.pack(len(self.AvailableSequenceNumbers)))
        for fieldname in self.AvailableSequenceNumbers:
            packet.append(uatype_UInt32.pack(fieldname))
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return TransferResult(data)

    def _binary_init(self, data):
        self.StatusCode = StatusCode.from_binary(data)
        self.AvailableSequenceNumbers = unpack_uatype_array('UInt32', data)

    def __str__(self):
        return 'TransferResult(' + 'StatusCode:' + str(self.StatusCode) + ', ' + \
               'AvailableSequenceNumbers:' + str(self.AvailableSequenceNumbers) + ')'

    __repr__ = __str__


class TransferSubscriptionsParameters(FrozenClass):
    '''
    :ivar SubscriptionIds:
    :vartype SubscriptionIds: UInt32
    :ivar SendInitialValues:
    :vartype SendInitialValues: Boolean
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.SubscriptionIds = []
        self.SendInitialValues = True
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(uatype_Int32.pack(len(self.SubscriptionIds)))
        for fieldname in self.SubscriptionIds:
            packet.append(uatype_UInt32.pack(fieldname))
        packet.append(uatype_Boolean.pack(self.SendInitialValues))
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return TransferSubscriptionsParameters(data)

    def _binary_init(self, data):
        self.SubscriptionIds = unpack_uatype_array('UInt32', data)
        self.SendInitialValues = uatype_Boolean.unpack(data.read(1))[0]

    def __str__(self):
        return 'TransferSubscriptionsParameters(' + 'SubscriptionIds:' + str(self.SubscriptionIds) + ', ' + \
               'SendInitialValues:' + str(self.SendInitialValues) + ')'

    __repr__ = __str__


class TransferSubscriptionsRequest(FrozenClass):
    '''
    :ivar TypeId:
    :vartype TypeId: NodeId
    :ivar RequestHeader:
    :vartype RequestHeader: RequestHeader
    :ivar Parameters:
    :vartype Parameters: TransferSubscriptionsParameters
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.TypeId = FourByteNodeId(ObjectIds.TransferSubscriptionsRequest_Encoding_DefaultBinary)
        self.RequestHeader = RequestHeader()
        self.Parameters = TransferSubscriptionsParameters()
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.TypeId.to_binary())
        packet.append(self.RequestHeader.to_binary())
        packet.append(self.Parameters.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return TransferSubscriptionsRequest(data)

    def _binary_init(self, data):
        self.TypeId = NodeId.from_binary(data)
        self.RequestHeader = RequestHeader.from_binary(data)
        self.Parameters = TransferSubscriptionsParameters.from_binary(data)

    def __str__(self):
        return 'TransferSubscriptionsRequest(' + 'TypeId:' + str(self.TypeId) + ', ' + \
               'RequestHeader:' + str(self.RequestHeader) + ', ' + \
               'Parameters:' + str(self.Parameters) + ')'

    __repr__ = __str__


class TransferSubscriptionsResult(FrozenClass):
    '''
    :ivar Results:
    :vartype Results: TransferResult
    :ivar DiagnosticInfos:
    :vartype DiagnosticInfos: DiagnosticInfo
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.Results = []
        self.DiagnosticInfos = []
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(uatype_Int32.pack(len(self.Results)))
        for fieldname in self.Results:
            packet.append(fieldname.to_binary())
        packet.append(uatype_Int32.pack(len(self.DiagnosticInfos)))
        for fieldname in self.DiagnosticInfos:
            packet.append(fieldname.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return TransferSubscriptionsResult(data)

    def _binary_init(self, data):
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(TransferResult.from_binary(data))
        self.Results = array
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(DiagnosticInfo.from_binary(data))
        self.DiagnosticInfos = array

    def __str__(self):
        return 'TransferSubscriptionsResult(' + 'Results:' + str(self.Results) + ', ' + \
               'DiagnosticInfos:' + str(self.DiagnosticInfos) + ')'

    __repr__ = __str__


class TransferSubscriptionsResponse(FrozenClass):
    '''
    :ivar TypeId:
    :vartype TypeId: NodeId
    :ivar ResponseHeader:
    :vartype ResponseHeader: ResponseHeader
    :ivar Parameters:
    :vartype Parameters: TransferSubscriptionsResult
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.TypeId = FourByteNodeId(ObjectIds.TransferSubscriptionsResponse_Encoding_DefaultBinary)
        self.ResponseHeader = ResponseHeader()
        self.Parameters = TransferSubscriptionsResult()
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.TypeId.to_binary())
        packet.append(self.ResponseHeader.to_binary())
        packet.append(self.Parameters.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return TransferSubscriptionsResponse(data)

    def _binary_init(self, data):
        self.TypeId = NodeId.from_binary(data)
        self.ResponseHeader = ResponseHeader.from_binary(data)
        self.Parameters = TransferSubscriptionsResult.from_binary(data)

    def __str__(self):
        return 'TransferSubscriptionsResponse(' + 'TypeId:' + str(self.TypeId) + ', ' + \
               'ResponseHeader:' + str(self.ResponseHeader) + ', ' + \
               'Parameters:' + str(self.Parameters) + ')'

    __repr__ = __str__


class DeleteSubscriptionsParameters(FrozenClass):
    '''
    :ivar SubscriptionIds:
    :vartype SubscriptionIds: UInt32
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.SubscriptionIds = []
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(uatype_Int32.pack(len(self.SubscriptionIds)))
        for fieldname in self.SubscriptionIds:
            packet.append(uatype_UInt32.pack(fieldname))
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return DeleteSubscriptionsParameters(data)

    def _binary_init(self, data):
        self.SubscriptionIds = unpack_uatype_array('UInt32', data)

    def __str__(self):
        return 'DeleteSubscriptionsParameters(' + 'SubscriptionIds:' + str(self.SubscriptionIds) + ')'

    __repr__ = __str__


class DeleteSubscriptionsRequest(FrozenClass):
    '''
    :ivar TypeId:
    :vartype TypeId: NodeId
    :ivar RequestHeader:
    :vartype RequestHeader: RequestHeader
    :ivar Parameters:
    :vartype Parameters: DeleteSubscriptionsParameters
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.TypeId = FourByteNodeId(ObjectIds.DeleteSubscriptionsRequest_Encoding_DefaultBinary)
        self.RequestHeader = RequestHeader()
        self.Parameters = DeleteSubscriptionsParameters()
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.TypeId.to_binary())
        packet.append(self.RequestHeader.to_binary())
        packet.append(self.Parameters.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return DeleteSubscriptionsRequest(data)

    def _binary_init(self, data):
        self.TypeId = NodeId.from_binary(data)
        self.RequestHeader = RequestHeader.from_binary(data)
        self.Parameters = DeleteSubscriptionsParameters.from_binary(data)

    def __str__(self):
        return 'DeleteSubscriptionsRequest(' + 'TypeId:' + str(self.TypeId) + ', ' + \
               'RequestHeader:' + str(self.RequestHeader) + ', ' + \
               'Parameters:' + str(self.Parameters) + ')'

    __repr__ = __str__


class DeleteSubscriptionsResponse(FrozenClass):
    '''
    :ivar TypeId:
    :vartype TypeId: NodeId
    :ivar ResponseHeader:
    :vartype ResponseHeader: ResponseHeader
    :ivar Results:
    :vartype Results: StatusCode
    :ivar DiagnosticInfos:
    :vartype DiagnosticInfos: DiagnosticInfo
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.TypeId = FourByteNodeId(ObjectIds.DeleteSubscriptionsResponse_Encoding_DefaultBinary)
        self.ResponseHeader = ResponseHeader()
        self.Results = []
        self.DiagnosticInfos = []
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.TypeId.to_binary())
        packet.append(self.ResponseHeader.to_binary())
        packet.append(uatype_Int32.pack(len(self.Results)))
        for fieldname in self.Results:
            packet.append(fieldname.to_binary())
        packet.append(uatype_Int32.pack(len(self.DiagnosticInfos)))
        for fieldname in self.DiagnosticInfos:
            packet.append(fieldname.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return DeleteSubscriptionsResponse(data)

    def _binary_init(self, data):
        self.TypeId = NodeId.from_binary(data)
        self.ResponseHeader = ResponseHeader.from_binary(data)
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(StatusCode.from_binary(data))
        self.Results = array
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(DiagnosticInfo.from_binary(data))
        self.DiagnosticInfos = array

    def __str__(self):
        return 'DeleteSubscriptionsResponse(' + 'TypeId:' + str(self.TypeId) + ', ' + \
               'ResponseHeader:' + str(self.ResponseHeader) + ', ' + \
               'Results:' + str(self.Results) + ', ' + \
               'DiagnosticInfos:' + str(self.DiagnosticInfos) + ')'

    __repr__ = __str__


class BuildInfo(FrozenClass):
    '''
    :ivar ProductUri:
    :vartype ProductUri: String
    :ivar ManufacturerName:
    :vartype ManufacturerName: String
    :ivar ProductName:
    :vartype ProductName: String
    :ivar SoftwareVersion:
    :vartype SoftwareVersion: String
    :ivar BuildNumber:
    :vartype BuildNumber: String
    :ivar BuildDate:
    :vartype BuildDate: DateTime
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.ProductUri = ''
        self.ManufacturerName = ''
        self.ProductName = ''
        self.SoftwareVersion = ''
        self.BuildNumber = ''
        self.BuildDate = datetime.now()
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(pack_string(self.ProductUri))
        packet.append(pack_string(self.ManufacturerName))
        packet.append(pack_string(self.ProductName))
        packet.append(pack_string(self.SoftwareVersion))
        packet.append(pack_string(self.BuildNumber))
        packet.append(pack_datetime(self.BuildDate))
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return BuildInfo(data)

    def _binary_init(self, data):
        self.ProductUri = unpack_string(data)
        self.ManufacturerName = unpack_string(data)
        self.ProductName = unpack_string(data)
        self.SoftwareVersion = unpack_string(data)
        self.BuildNumber = unpack_string(data)
        self.BuildDate = unpack_datetime(data)

    def __str__(self):
        return 'BuildInfo(' + 'ProductUri:' + str(self.ProductUri) + ', ' + \
               'ManufacturerName:' + str(self.ManufacturerName) + ', ' + \
               'ProductName:' + str(self.ProductName) + ', ' + \
               'SoftwareVersion:' + str(self.SoftwareVersion) + ', ' + \
               'BuildNumber:' + str(self.BuildNumber) + ', ' + \
               'BuildDate:' + str(self.BuildDate) + ')'

    __repr__ = __str__


class RedundantServerDataType(FrozenClass):
    '''
    :ivar ServerId:
    :vartype ServerId: String
    :ivar ServiceLevel:
    :vartype ServiceLevel: Byte
    :ivar ServerState:
    :vartype ServerState: ServerState
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.ServerId = ''
        self.ServiceLevel = 0
        self.ServerState = ServerState(0)
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(pack_string(self.ServerId))
        packet.append(uatype_Byte.pack(self.ServiceLevel))
        packet.append(uatype_UInt32.pack(self.ServerState.value))
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return RedundantServerDataType(data)

    def _binary_init(self, data):
        self.ServerId = unpack_string(data)
        self.ServiceLevel = uatype_Byte.unpack(data.read(1))[0]
        self.ServerState = ServerState(uatype_UInt32.unpack(data.read(4))[0])

    def __str__(self):
        return 'RedundantServerDataType(' + 'ServerId:' + str(self.ServerId) + ', ' + \
               'ServiceLevel:' + str(self.ServiceLevel) + ', ' + \
               'ServerState:' + str(self.ServerState) + ')'

    __repr__ = __str__


class EndpointUrlListDataType(FrozenClass):
    '''
    :ivar EndpointUrlList:
    :vartype EndpointUrlList: String
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.EndpointUrlList = []
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(uatype_Int32.pack(len(self.EndpointUrlList)))
        for fieldname in self.EndpointUrlList:
            packet.append(pack_string(fieldname))
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return EndpointUrlListDataType(data)

    def _binary_init(self, data):
        self.EndpointUrlList = unpack_uatype_array('String', data)

    def __str__(self):
        return 'EndpointUrlListDataType(' + 'EndpointUrlList:' + str(self.EndpointUrlList) + ')'

    __repr__ = __str__


class NetworkGroupDataType(FrozenClass):
    '''
    :ivar ServerUri:
    :vartype ServerUri: String
    :ivar NetworkPaths:
    :vartype NetworkPaths: EndpointUrlListDataType
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.ServerUri = ''
        self.NetworkPaths = []
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(pack_string(self.ServerUri))
        packet.append(uatype_Int32.pack(len(self.NetworkPaths)))
        for fieldname in self.NetworkPaths:
            packet.append(fieldname.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return NetworkGroupDataType(data)

    def _binary_init(self, data):
        self.ServerUri = unpack_string(data)
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(EndpointUrlListDataType.from_binary(data))
        self.NetworkPaths = array

    def __str__(self):
        return 'NetworkGroupDataType(' + 'ServerUri:' + str(self.ServerUri) + ', ' + \
               'NetworkPaths:' + str(self.NetworkPaths) + ')'

    __repr__ = __str__


class SamplingIntervalDiagnosticsDataType(FrozenClass):
    '''
    :ivar SamplingInterval:
    :vartype SamplingInterval: Double
    :ivar MonitoredItemCount:
    :vartype MonitoredItemCount: UInt32
    :ivar MaxMonitoredItemCount:
    :vartype MaxMonitoredItemCount: UInt32
    :ivar DisabledMonitoredItemCount:
    :vartype DisabledMonitoredItemCount: UInt32
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.SamplingInterval = 0
        self.MonitoredItemCount = 0
        self.MaxMonitoredItemCount = 0
        self.DisabledMonitoredItemCount = 0
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(uatype_Double.pack(self.SamplingInterval))
        packet.append(uatype_UInt32.pack(self.MonitoredItemCount))
        packet.append(uatype_UInt32.pack(self.MaxMonitoredItemCount))
        packet.append(uatype_UInt32.pack(self.DisabledMonitoredItemCount))
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return SamplingIntervalDiagnosticsDataType(data)

    def _binary_init(self, data):
        self.SamplingInterval = uatype_Double.unpack(data.read(8))[0]
        self.MonitoredItemCount = uatype_UInt32.unpack(data.read(4))[0]
        self.MaxMonitoredItemCount = uatype_UInt32.unpack(data.read(4))[0]
        self.DisabledMonitoredItemCount = uatype_UInt32.unpack(data.read(4))[0]

    def __str__(self):
        return 'SamplingIntervalDiagnosticsDataType(' + 'SamplingInterval:' + str(self.SamplingInterval) + ', ' + \
               'MonitoredItemCount:' + str(self.MonitoredItemCount) + ', ' + \
               'MaxMonitoredItemCount:' + str(self.MaxMonitoredItemCount) + ', ' + \
               'DisabledMonitoredItemCount:' + str(self.DisabledMonitoredItemCount) + ')'

    __repr__ = __str__


class ServerDiagnosticsSummaryDataType(FrozenClass):
    '''
    :ivar ServerViewCount:
    :vartype ServerViewCount: UInt32
    :ivar CurrentSessionCount:
    :vartype CurrentSessionCount: UInt32
    :ivar CumulatedSessionCount:
    :vartype CumulatedSessionCount: UInt32
    :ivar SecurityRejectedSessionCount:
    :vartype SecurityRejectedSessionCount: UInt32
    :ivar RejectedSessionCount:
    :vartype RejectedSessionCount: UInt32
    :ivar SessionTimeoutCount:
    :vartype SessionTimeoutCount: UInt32
    :ivar SessionAbortCount:
    :vartype SessionAbortCount: UInt32
    :ivar CurrentSubscriptionCount:
    :vartype CurrentSubscriptionCount: UInt32
    :ivar CumulatedSubscriptionCount:
    :vartype CumulatedSubscriptionCount: UInt32
    :ivar PublishingIntervalCount:
    :vartype PublishingIntervalCount: UInt32
    :ivar SecurityRejectedRequestsCount:
    :vartype SecurityRejectedRequestsCount: UInt32
    :ivar RejectedRequestsCount:
    :vartype RejectedRequestsCount: UInt32
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.ServerViewCount = 0
        self.CurrentSessionCount = 0
        self.CumulatedSessionCount = 0
        self.SecurityRejectedSessionCount = 0
        self.RejectedSessionCount = 0
        self.SessionTimeoutCount = 0
        self.SessionAbortCount = 0
        self.CurrentSubscriptionCount = 0
        self.CumulatedSubscriptionCount = 0
        self.PublishingIntervalCount = 0
        self.SecurityRejectedRequestsCount = 0
        self.RejectedRequestsCount = 0
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(uatype_UInt32.pack(self.ServerViewCount))
        packet.append(uatype_UInt32.pack(self.CurrentSessionCount))
        packet.append(uatype_UInt32.pack(self.CumulatedSessionCount))
        packet.append(uatype_UInt32.pack(self.SecurityRejectedSessionCount))
        packet.append(uatype_UInt32.pack(self.RejectedSessionCount))
        packet.append(uatype_UInt32.pack(self.SessionTimeoutCount))
        packet.append(uatype_UInt32.pack(self.SessionAbortCount))
        packet.append(uatype_UInt32.pack(self.CurrentSubscriptionCount))
        packet.append(uatype_UInt32.pack(self.CumulatedSubscriptionCount))
        packet.append(uatype_UInt32.pack(self.PublishingIntervalCount))
        packet.append(uatype_UInt32.pack(self.SecurityRejectedRequestsCount))
        packet.append(uatype_UInt32.pack(self.RejectedRequestsCount))
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return ServerDiagnosticsSummaryDataType(data)

    def _binary_init(self, data):
        self.ServerViewCount = uatype_UInt32.unpack(data.read(4))[0]
        self.CurrentSessionCount = uatype_UInt32.unpack(data.read(4))[0]
        self.CumulatedSessionCount = uatype_UInt32.unpack(data.read(4))[0]
        self.SecurityRejectedSessionCount = uatype_UInt32.unpack(data.read(4))[0]
        self.RejectedSessionCount = uatype_UInt32.unpack(data.read(4))[0]
        self.SessionTimeoutCount = uatype_UInt32.unpack(data.read(4))[0]
        self.SessionAbortCount = uatype_UInt32.unpack(data.read(4))[0]
        self.CurrentSubscriptionCount = uatype_UInt32.unpack(data.read(4))[0]
        self.CumulatedSubscriptionCount = uatype_UInt32.unpack(data.read(4))[0]
        self.PublishingIntervalCount = uatype_UInt32.unpack(data.read(4))[0]
        self.SecurityRejectedRequestsCount = uatype_UInt32.unpack(data.read(4))[0]
        self.RejectedRequestsCount = uatype_UInt32.unpack(data.read(4))[0]

    def __str__(self):
        return 'ServerDiagnosticsSummaryDataType(' + 'ServerViewCount:' + str(self.ServerViewCount) + ', ' + \
               'CurrentSessionCount:' + str(self.CurrentSessionCount) + ', ' + \
               'CumulatedSessionCount:' + str(self.CumulatedSessionCount) + ', ' + \
               'SecurityRejectedSessionCount:' + str(self.SecurityRejectedSessionCount) + ', ' + \
               'RejectedSessionCount:' + str(self.RejectedSessionCount) + ', ' + \
               'SessionTimeoutCount:' + str(self.SessionTimeoutCount) + ', ' + \
               'SessionAbortCount:' + str(self.SessionAbortCount) + ', ' + \
               'CurrentSubscriptionCount:' + str(self.CurrentSubscriptionCount) + ', ' + \
               'CumulatedSubscriptionCount:' + str(self.CumulatedSubscriptionCount) + ', ' + \
               'PublishingIntervalCount:' + str(self.PublishingIntervalCount) + ', ' + \
               'SecurityRejectedRequestsCount:' + str(self.SecurityRejectedRequestsCount) + ', ' + \
               'RejectedRequestsCount:' + str(self.RejectedRequestsCount) + ')'

    __repr__ = __str__


class ServerStatusDataType(FrozenClass):
    '''
    :ivar StartTime:
    :vartype StartTime: DateTime
    :ivar CurrentTime:
    :vartype CurrentTime: DateTime
    :ivar State:
    :vartype State: ServerState
    :ivar BuildInfo:
    :vartype BuildInfo: BuildInfo
    :ivar SecondsTillShutdown:
    :vartype SecondsTillShutdown: UInt32
    :ivar ShutdownReason:
    :vartype ShutdownReason: LocalizedText
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.StartTime = datetime.now()
        self.CurrentTime = datetime.now()
        self.State = ServerState(0)
        self.BuildInfo = BuildInfo()
        self.SecondsTillShutdown = 0
        self.ShutdownReason = LocalizedText()
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(pack_datetime(self.StartTime))
        packet.append(pack_datetime(self.CurrentTime))
        packet.append(uatype_UInt32.pack(self.State.value))
        packet.append(self.BuildInfo.to_binary())
        packet.append(uatype_UInt32.pack(self.SecondsTillShutdown))
        packet.append(self.ShutdownReason.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return ServerStatusDataType(data)

    def _binary_init(self, data):
        self.StartTime = unpack_datetime(data)
        self.CurrentTime = unpack_datetime(data)
        self.State = ServerState(uatype_UInt32.unpack(data.read(4))[0])
        self.BuildInfo = BuildInfo.from_binary(data)
        self.SecondsTillShutdown = uatype_UInt32.unpack(data.read(4))[0]
        self.ShutdownReason = LocalizedText.from_binary(data)

    def __str__(self):
        return 'ServerStatusDataType(' + 'StartTime:' + str(self.StartTime) + ', ' + \
               'CurrentTime:' + str(self.CurrentTime) + ', ' + \
               'State:' + str(self.State) + ', ' + \
               'BuildInfo:' + str(self.BuildInfo) + ', ' + \
               'SecondsTillShutdown:' + str(self.SecondsTillShutdown) + ', ' + \
               'ShutdownReason:' + str(self.ShutdownReason) + ')'

    __repr__ = __str__


class SessionDiagnosticsDataType(FrozenClass):
    '''
    :ivar SessionId:
    :vartype SessionId: NodeId
    :ivar SessionName:
    :vartype SessionName: String
    :ivar ClientDescription:
    :vartype ClientDescription: ApplicationDescription
    :ivar ServerUri:
    :vartype ServerUri: String
    :ivar EndpointUrl:
    :vartype EndpointUrl: String
    :ivar LocaleIds:
    :vartype LocaleIds: String
    :ivar ActualSessionTimeout:
    :vartype ActualSessionTimeout: Double
    :ivar MaxResponseMessageSize:
    :vartype MaxResponseMessageSize: UInt32
    :ivar ClientConnectionTime:
    :vartype ClientConnectionTime: DateTime
    :ivar ClientLastContactTime:
    :vartype ClientLastContactTime: DateTime
    :ivar CurrentSubscriptionsCount:
    :vartype CurrentSubscriptionsCount: UInt32
    :ivar CurrentMonitoredItemsCount:
    :vartype CurrentMonitoredItemsCount: UInt32
    :ivar CurrentPublishRequestsInQueue:
    :vartype CurrentPublishRequestsInQueue: UInt32
    :ivar TotalRequestCount:
    :vartype TotalRequestCount: ServiceCounterDataType
    :ivar UnauthorizedRequestCount:
    :vartype UnauthorizedRequestCount: UInt32
    :ivar ReadCount:
    :vartype ReadCount: ServiceCounterDataType
    :ivar HistoryReadCount:
    :vartype HistoryReadCount: ServiceCounterDataType
    :ivar WriteCount:
    :vartype WriteCount: ServiceCounterDataType
    :ivar HistoryUpdateCount:
    :vartype HistoryUpdateCount: ServiceCounterDataType
    :ivar CallCount:
    :vartype CallCount: ServiceCounterDataType
    :ivar CreateMonitoredItemsCount:
    :vartype CreateMonitoredItemsCount: ServiceCounterDataType
    :ivar ModifyMonitoredItemsCount:
    :vartype ModifyMonitoredItemsCount: ServiceCounterDataType
    :ivar SetMonitoringModeCount:
    :vartype SetMonitoringModeCount: ServiceCounterDataType
    :ivar SetTriggeringCount:
    :vartype SetTriggeringCount: ServiceCounterDataType
    :ivar DeleteMonitoredItemsCount:
    :vartype DeleteMonitoredItemsCount: ServiceCounterDataType
    :ivar CreateSubscriptionCount:
    :vartype CreateSubscriptionCount: ServiceCounterDataType
    :ivar ModifySubscriptionCount:
    :vartype ModifySubscriptionCount: ServiceCounterDataType
    :ivar SetPublishingModeCount:
    :vartype SetPublishingModeCount: ServiceCounterDataType
    :ivar PublishCount:
    :vartype PublishCount: ServiceCounterDataType
    :ivar RepublishCount:
    :vartype RepublishCount: ServiceCounterDataType
    :ivar TransferSubscriptionsCount:
    :vartype TransferSubscriptionsCount: ServiceCounterDataType
    :ivar DeleteSubscriptionsCount:
    :vartype DeleteSubscriptionsCount: ServiceCounterDataType
    :ivar AddNodesCount:
    :vartype AddNodesCount: ServiceCounterDataType
    :ivar AddReferencesCount:
    :vartype AddReferencesCount: ServiceCounterDataType
    :ivar DeleteNodesCount:
    :vartype DeleteNodesCount: ServiceCounterDataType
    :ivar DeleteReferencesCount:
    :vartype DeleteReferencesCount: ServiceCounterDataType
    :ivar BrowseCount:
    :vartype BrowseCount: ServiceCounterDataType
    :ivar BrowseNextCount:
    :vartype BrowseNextCount: ServiceCounterDataType
    :ivar TranslateBrowsePathsToNodeIdsCount:
    :vartype TranslateBrowsePathsToNodeIdsCount: ServiceCounterDataType
    :ivar QueryFirstCount:
    :vartype QueryFirstCount: ServiceCounterDataType
    :ivar QueryNextCount:
    :vartype QueryNextCount: ServiceCounterDataType
    :ivar RegisterNodesCount:
    :vartype RegisterNodesCount: ServiceCounterDataType
    :ivar UnregisterNodesCount:
    :vartype UnregisterNodesCount: ServiceCounterDataType
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.SessionId = NodeId()
        self.SessionName = ''
        self.ClientDescription = ApplicationDescription()
        self.ServerUri = ''
        self.EndpointUrl = ''
        self.LocaleIds = []
        self.ActualSessionTimeout = 0
        self.MaxResponseMessageSize = 0
        self.ClientConnectionTime = datetime.now()
        self.ClientLastContactTime = datetime.now()
        self.CurrentSubscriptionsCount = 0
        self.CurrentMonitoredItemsCount = 0
        self.CurrentPublishRequestsInQueue = 0
        self.TotalRequestCount = ServiceCounterDataType()
        self.UnauthorizedRequestCount = 0
        self.ReadCount = ServiceCounterDataType()
        self.HistoryReadCount = ServiceCounterDataType()
        self.WriteCount = ServiceCounterDataType()
        self.HistoryUpdateCount = ServiceCounterDataType()
        self.CallCount = ServiceCounterDataType()
        self.CreateMonitoredItemsCount = ServiceCounterDataType()
        self.ModifyMonitoredItemsCount = ServiceCounterDataType()
        self.SetMonitoringModeCount = ServiceCounterDataType()
        self.SetTriggeringCount = ServiceCounterDataType()
        self.DeleteMonitoredItemsCount = ServiceCounterDataType()
        self.CreateSubscriptionCount = ServiceCounterDataType()
        self.ModifySubscriptionCount = ServiceCounterDataType()
        self.SetPublishingModeCount = ServiceCounterDataType()
        self.PublishCount = ServiceCounterDataType()
        self.RepublishCount = ServiceCounterDataType()
        self.TransferSubscriptionsCount = ServiceCounterDataType()
        self.DeleteSubscriptionsCount = ServiceCounterDataType()
        self.AddNodesCount = ServiceCounterDataType()
        self.AddReferencesCount = ServiceCounterDataType()
        self.DeleteNodesCount = ServiceCounterDataType()
        self.DeleteReferencesCount = ServiceCounterDataType()
        self.BrowseCount = ServiceCounterDataType()
        self.BrowseNextCount = ServiceCounterDataType()
        self.TranslateBrowsePathsToNodeIdsCount = ServiceCounterDataType()
        self.QueryFirstCount = ServiceCounterDataType()
        self.QueryNextCount = ServiceCounterDataType()
        self.RegisterNodesCount = ServiceCounterDataType()
        self.UnregisterNodesCount = ServiceCounterDataType()
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.SessionId.to_binary())
        packet.append(pack_string(self.SessionName))
        packet.append(self.ClientDescription.to_binary())
        packet.append(pack_string(self.ServerUri))
        packet.append(pack_string(self.EndpointUrl))
        packet.append(uatype_Int32.pack(len(self.LocaleIds)))
        for fieldname in self.LocaleIds:
            packet.append(pack_string(fieldname))
        packet.append(uatype_Double.pack(self.ActualSessionTimeout))
        packet.append(uatype_UInt32.pack(self.MaxResponseMessageSize))
        packet.append(pack_datetime(self.ClientConnectionTime))
        packet.append(pack_datetime(self.ClientLastContactTime))
        packet.append(uatype_UInt32.pack(self.CurrentSubscriptionsCount))
        packet.append(uatype_UInt32.pack(self.CurrentMonitoredItemsCount))
        packet.append(uatype_UInt32.pack(self.CurrentPublishRequestsInQueue))
        packet.append(self.TotalRequestCount.to_binary())
        packet.append(uatype_UInt32.pack(self.UnauthorizedRequestCount))
        packet.append(self.ReadCount.to_binary())
        packet.append(self.HistoryReadCount.to_binary())
        packet.append(self.WriteCount.to_binary())
        packet.append(self.HistoryUpdateCount.to_binary())
        packet.append(self.CallCount.to_binary())
        packet.append(self.CreateMonitoredItemsCount.to_binary())
        packet.append(self.ModifyMonitoredItemsCount.to_binary())
        packet.append(self.SetMonitoringModeCount.to_binary())
        packet.append(self.SetTriggeringCount.to_binary())
        packet.append(self.DeleteMonitoredItemsCount.to_binary())
        packet.append(self.CreateSubscriptionCount.to_binary())
        packet.append(self.ModifySubscriptionCount.to_binary())
        packet.append(self.SetPublishingModeCount.to_binary())
        packet.append(self.PublishCount.to_binary())
        packet.append(self.RepublishCount.to_binary())
        packet.append(self.TransferSubscriptionsCount.to_binary())
        packet.append(self.DeleteSubscriptionsCount.to_binary())
        packet.append(self.AddNodesCount.to_binary())
        packet.append(self.AddReferencesCount.to_binary())
        packet.append(self.DeleteNodesCount.to_binary())
        packet.append(self.DeleteReferencesCount.to_binary())
        packet.append(self.BrowseCount.to_binary())
        packet.append(self.BrowseNextCount.to_binary())
        packet.append(self.TranslateBrowsePathsToNodeIdsCount.to_binary())
        packet.append(self.QueryFirstCount.to_binary())
        packet.append(self.QueryNextCount.to_binary())
        packet.append(self.RegisterNodesCount.to_binary())
        packet.append(self.UnregisterNodesCount.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return SessionDiagnosticsDataType(data)

    def _binary_init(self, data):
        self.SessionId = NodeId.from_binary(data)
        self.SessionName = unpack_string(data)
        self.ClientDescription = ApplicationDescription.from_binary(data)
        self.ServerUri = unpack_string(data)
        self.EndpointUrl = unpack_string(data)
        self.LocaleIds = unpack_uatype_array('String', data)
        self.ActualSessionTimeout = uatype_Double.unpack(data.read(8))[0]
        self.MaxResponseMessageSize = uatype_UInt32.unpack(data.read(4))[0]
        self.ClientConnectionTime = unpack_datetime(data)
        self.ClientLastContactTime = unpack_datetime(data)
        self.CurrentSubscriptionsCount = uatype_UInt32.unpack(data.read(4))[0]
        self.CurrentMonitoredItemsCount = uatype_UInt32.unpack(data.read(4))[0]
        self.CurrentPublishRequestsInQueue = uatype_UInt32.unpack(data.read(4))[0]
        self.TotalRequestCount = ServiceCounterDataType.from_binary(data)
        self.UnauthorizedRequestCount = uatype_UInt32.unpack(data.read(4))[0]
        self.ReadCount = ServiceCounterDataType.from_binary(data)
        self.HistoryReadCount = ServiceCounterDataType.from_binary(data)
        self.WriteCount = ServiceCounterDataType.from_binary(data)
        self.HistoryUpdateCount = ServiceCounterDataType.from_binary(data)
        self.CallCount = ServiceCounterDataType.from_binary(data)
        self.CreateMonitoredItemsCount = ServiceCounterDataType.from_binary(data)
        self.ModifyMonitoredItemsCount = ServiceCounterDataType.from_binary(data)
        self.SetMonitoringModeCount = ServiceCounterDataType.from_binary(data)
        self.SetTriggeringCount = ServiceCounterDataType.from_binary(data)
        self.DeleteMonitoredItemsCount = ServiceCounterDataType.from_binary(data)
        self.CreateSubscriptionCount = ServiceCounterDataType.from_binary(data)
        self.ModifySubscriptionCount = ServiceCounterDataType.from_binary(data)
        self.SetPublishingModeCount = ServiceCounterDataType.from_binary(data)
        self.PublishCount = ServiceCounterDataType.from_binary(data)
        self.RepublishCount = ServiceCounterDataType.from_binary(data)
        self.TransferSubscriptionsCount = ServiceCounterDataType.from_binary(data)
        self.DeleteSubscriptionsCount = ServiceCounterDataType.from_binary(data)
        self.AddNodesCount = ServiceCounterDataType.from_binary(data)
        self.AddReferencesCount = ServiceCounterDataType.from_binary(data)
        self.DeleteNodesCount = ServiceCounterDataType.from_binary(data)
        self.DeleteReferencesCount = ServiceCounterDataType.from_binary(data)
        self.BrowseCount = ServiceCounterDataType.from_binary(data)
        self.BrowseNextCount = ServiceCounterDataType.from_binary(data)
        self.TranslateBrowsePathsToNodeIdsCount = ServiceCounterDataType.from_binary(data)
        self.QueryFirstCount = ServiceCounterDataType.from_binary(data)
        self.QueryNextCount = ServiceCounterDataType.from_binary(data)
        self.RegisterNodesCount = ServiceCounterDataType.from_binary(data)
        self.UnregisterNodesCount = ServiceCounterDataType.from_binary(data)

    def __str__(self):
        return 'SessionDiagnosticsDataType(' + 'SessionId:' + str(self.SessionId) + ', ' + \
               'SessionName:' + str(self.SessionName) + ', ' + \
               'ClientDescription:' + str(self.ClientDescription) + ', ' + \
               'ServerUri:' + str(self.ServerUri) + ', ' + \
               'EndpointUrl:' + str(self.EndpointUrl) + ', ' + \
               'LocaleIds:' + str(self.LocaleIds) + ', ' + \
               'ActualSessionTimeout:' + str(self.ActualSessionTimeout) + ', ' + \
               'MaxResponseMessageSize:' + str(self.MaxResponseMessageSize) + ', ' + \
               'ClientConnectionTime:' + str(self.ClientConnectionTime) + ', ' + \
               'ClientLastContactTime:' + str(self.ClientLastContactTime) + ', ' + \
               'CurrentSubscriptionsCount:' + str(self.CurrentSubscriptionsCount) + ', ' + \
               'CurrentMonitoredItemsCount:' + str(self.CurrentMonitoredItemsCount) + ', ' + \
               'CurrentPublishRequestsInQueue:' + str(self.CurrentPublishRequestsInQueue) + ', ' + \
               'TotalRequestCount:' + str(self.TotalRequestCount) + ', ' + \
               'UnauthorizedRequestCount:' + str(self.UnauthorizedRequestCount) + ', ' + \
               'ReadCount:' + str(self.ReadCount) + ', ' + \
               'HistoryReadCount:' + str(self.HistoryReadCount) + ', ' + \
               'WriteCount:' + str(self.WriteCount) + ', ' + \
               'HistoryUpdateCount:' + str(self.HistoryUpdateCount) + ', ' + \
               'CallCount:' + str(self.CallCount) + ', ' + \
               'CreateMonitoredItemsCount:' + str(self.CreateMonitoredItemsCount) + ', ' + \
               'ModifyMonitoredItemsCount:' + str(self.ModifyMonitoredItemsCount) + ', ' + \
               'SetMonitoringModeCount:' + str(self.SetMonitoringModeCount) + ', ' + \
               'SetTriggeringCount:' + str(self.SetTriggeringCount) + ', ' + \
               'DeleteMonitoredItemsCount:' + str(self.DeleteMonitoredItemsCount) + ', ' + \
               'CreateSubscriptionCount:' + str(self.CreateSubscriptionCount) + ', ' + \
               'ModifySubscriptionCount:' + str(self.ModifySubscriptionCount) + ', ' + \
               'SetPublishingModeCount:' + str(self.SetPublishingModeCount) + ', ' + \
               'PublishCount:' + str(self.PublishCount) + ', ' + \
               'RepublishCount:' + str(self.RepublishCount) + ', ' + \
               'TransferSubscriptionsCount:' + str(self.TransferSubscriptionsCount) + ', ' + \
               'DeleteSubscriptionsCount:' + str(self.DeleteSubscriptionsCount) + ', ' + \
               'AddNodesCount:' + str(self.AddNodesCount) + ', ' + \
               'AddReferencesCount:' + str(self.AddReferencesCount) + ', ' + \
               'DeleteNodesCount:' + str(self.DeleteNodesCount) + ', ' + \
               'DeleteReferencesCount:' + str(self.DeleteReferencesCount) + ', ' + \
               'BrowseCount:' + str(self.BrowseCount) + ', ' + \
               'BrowseNextCount:' + str(self.BrowseNextCount) + ', ' + \
               'TranslateBrowsePathsToNodeIdsCount:' + str(self.TranslateBrowsePathsToNodeIdsCount) + ', ' + \
               'QueryFirstCount:' + str(self.QueryFirstCount) + ', ' + \
               'QueryNextCount:' + str(self.QueryNextCount) + ', ' + \
               'RegisterNodesCount:' + str(self.RegisterNodesCount) + ', ' + \
               'UnregisterNodesCount:' + str(self.UnregisterNodesCount) + ')'

    __repr__ = __str__


class SessionSecurityDiagnosticsDataType(FrozenClass):
    '''
    :ivar SessionId:
    :vartype SessionId: NodeId
    :ivar ClientUserIdOfSession:
    :vartype ClientUserIdOfSession: String
    :ivar ClientUserIdHistory:
    :vartype ClientUserIdHistory: String
    :ivar AuthenticationMechanism:
    :vartype AuthenticationMechanism: String
    :ivar Encoding:
    :vartype Encoding: String
    :ivar TransportProtocol:
    :vartype TransportProtocol: String
    :ivar SecurityMode:
    :vartype SecurityMode: MessageSecurityMode
    :ivar SecurityPolicyUri:
    :vartype SecurityPolicyUri: String
    :ivar ClientCertificate:
    :vartype ClientCertificate: ByteString
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.SessionId = NodeId()
        self.ClientUserIdOfSession = ''
        self.ClientUserIdHistory = []
        self.AuthenticationMechanism = ''
        self.Encoding = ''
        self.TransportProtocol = ''
        self.SecurityMode = MessageSecurityMode(0)
        self.SecurityPolicyUri = ''
        self.ClientCertificate = b''
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.SessionId.to_binary())
        packet.append(pack_string(self.ClientUserIdOfSession))
        packet.append(uatype_Int32.pack(len(self.ClientUserIdHistory)))
        for fieldname in self.ClientUserIdHistory:
            packet.append(pack_string(fieldname))
        packet.append(pack_string(self.AuthenticationMechanism))
        packet.append(pack_string(self.Encoding))
        packet.append(pack_string(self.TransportProtocol))
        packet.append(uatype_UInt32.pack(self.SecurityMode.value))
        packet.append(pack_string(self.SecurityPolicyUri))
        packet.append(pack_bytes(self.ClientCertificate))
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return SessionSecurityDiagnosticsDataType(data)

    def _binary_init(self, data):
        self.SessionId = NodeId.from_binary(data)
        self.ClientUserIdOfSession = unpack_string(data)
        self.ClientUserIdHistory = unpack_uatype_array('String', data)
        self.AuthenticationMechanism = unpack_string(data)
        self.Encoding = unpack_string(data)
        self.TransportProtocol = unpack_string(data)
        self.SecurityMode = MessageSecurityMode(uatype_UInt32.unpack(data.read(4))[0])
        self.SecurityPolicyUri = unpack_string(data)
        self.ClientCertificate = unpack_bytes(data)

    def __str__(self):
        return 'SessionSecurityDiagnosticsDataType(' + 'SessionId:' + str(self.SessionId) + ', ' + \
               'ClientUserIdOfSession:' + str(self.ClientUserIdOfSession) + ', ' + \
               'ClientUserIdHistory:' + str(self.ClientUserIdHistory) + ', ' + \
               'AuthenticationMechanism:' + str(self.AuthenticationMechanism) + ', ' + \
               'Encoding:' + str(self.Encoding) + ', ' + \
               'TransportProtocol:' + str(self.TransportProtocol) + ', ' + \
               'SecurityMode:' + str(self.SecurityMode) + ', ' + \
               'SecurityPolicyUri:' + str(self.SecurityPolicyUri) + ', ' + \
               'ClientCertificate:' + str(self.ClientCertificate) + ')'

    __repr__ = __str__


class ServiceCounterDataType(FrozenClass):
    '''
    :ivar TotalCount:
    :vartype TotalCount: UInt32
    :ivar ErrorCount:
    :vartype ErrorCount: UInt32
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.TotalCount = 0
        self.ErrorCount = 0
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(uatype_UInt32.pack(self.TotalCount))
        packet.append(uatype_UInt32.pack(self.ErrorCount))
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return ServiceCounterDataType(data)

    def _binary_init(self, data):
        self.TotalCount = uatype_UInt32.unpack(data.read(4))[0]
        self.ErrorCount = uatype_UInt32.unpack(data.read(4))[0]

    def __str__(self):
        return 'ServiceCounterDataType(' + 'TotalCount:' + str(self.TotalCount) + ', ' + \
               'ErrorCount:' + str(self.ErrorCount) + ')'

    __repr__ = __str__


class StatusResult(FrozenClass):
    '''
    :ivar StatusCode:
    :vartype StatusCode: StatusCode
    :ivar DiagnosticInfo:
    :vartype DiagnosticInfo: DiagnosticInfo
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.StatusCode = StatusCode()
        self.DiagnosticInfo = DiagnosticInfo()
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.StatusCode.to_binary())
        packet.append(self.DiagnosticInfo.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return StatusResult(data)

    def _binary_init(self, data):
        self.StatusCode = StatusCode.from_binary(data)
        self.DiagnosticInfo = DiagnosticInfo.from_binary(data)

    def __str__(self):
        return 'StatusResult(' + 'StatusCode:' + str(self.StatusCode) + ', ' + \
               'DiagnosticInfo:' + str(self.DiagnosticInfo) + ')'

    __repr__ = __str__


class SubscriptionDiagnosticsDataType(FrozenClass):
    '''
    :ivar SessionId:
    :vartype SessionId: NodeId
    :ivar SubscriptionId:
    :vartype SubscriptionId: UInt32
    :ivar Priority:
    :vartype Priority: Byte
    :ivar PublishingInterval:
    :vartype PublishingInterval: Double
    :ivar MaxKeepAliveCount:
    :vartype MaxKeepAliveCount: UInt32
    :ivar MaxLifetimeCount:
    :vartype MaxLifetimeCount: UInt32
    :ivar MaxNotificationsPerPublish:
    :vartype MaxNotificationsPerPublish: UInt32
    :ivar PublishingEnabled:
    :vartype PublishingEnabled: Boolean
    :ivar ModifyCount:
    :vartype ModifyCount: UInt32
    :ivar EnableCount:
    :vartype EnableCount: UInt32
    :ivar DisableCount:
    :vartype DisableCount: UInt32
    :ivar RepublishRequestCount:
    :vartype RepublishRequestCount: UInt32
    :ivar RepublishMessageRequestCount:
    :vartype RepublishMessageRequestCount: UInt32
    :ivar RepublishMessageCount:
    :vartype RepublishMessageCount: UInt32
    :ivar TransferRequestCount:
    :vartype TransferRequestCount: UInt32
    :ivar TransferredToAltClientCount:
    :vartype TransferredToAltClientCount: UInt32
    :ivar TransferredToSameClientCount:
    :vartype TransferredToSameClientCount: UInt32
    :ivar PublishRequestCount:
    :vartype PublishRequestCount: UInt32
    :ivar DataChangeNotificationsCount:
    :vartype DataChangeNotificationsCount: UInt32
    :ivar EventNotificationsCount:
    :vartype EventNotificationsCount: UInt32
    :ivar NotificationsCount:
    :vartype NotificationsCount: UInt32
    :ivar LatePublishRequestCount:
    :vartype LatePublishRequestCount: UInt32
    :ivar CurrentKeepAliveCount:
    :vartype CurrentKeepAliveCount: UInt32
    :ivar CurrentLifetimeCount:
    :vartype CurrentLifetimeCount: UInt32
    :ivar UnacknowledgedMessageCount:
    :vartype UnacknowledgedMessageCount: UInt32
    :ivar DiscardedMessageCount:
    :vartype DiscardedMessageCount: UInt32
    :ivar MonitoredItemCount:
    :vartype MonitoredItemCount: UInt32
    :ivar DisabledMonitoredItemCount:
    :vartype DisabledMonitoredItemCount: UInt32
    :ivar MonitoringQueueOverflowCount:
    :vartype MonitoringQueueOverflowCount: UInt32
    :ivar NextSequenceNumber:
    :vartype NextSequenceNumber: UInt32
    :ivar EventQueueOverFlowCount:
    :vartype EventQueueOverFlowCount: UInt32
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.SessionId = NodeId()
        self.SubscriptionId = 0
        self.Priority = 0
        self.PublishingInterval = 0
        self.MaxKeepAliveCount = 0
        self.MaxLifetimeCount = 0
        self.MaxNotificationsPerPublish = 0
        self.PublishingEnabled = True
        self.ModifyCount = 0
        self.EnableCount = 0
        self.DisableCount = 0
        self.RepublishRequestCount = 0
        self.RepublishMessageRequestCount = 0
        self.RepublishMessageCount = 0
        self.TransferRequestCount = 0
        self.TransferredToAltClientCount = 0
        self.TransferredToSameClientCount = 0
        self.PublishRequestCount = 0
        self.DataChangeNotificationsCount = 0
        self.EventNotificationsCount = 0
        self.NotificationsCount = 0
        self.LatePublishRequestCount = 0
        self.CurrentKeepAliveCount = 0
        self.CurrentLifetimeCount = 0
        self.UnacknowledgedMessageCount = 0
        self.DiscardedMessageCount = 0
        self.MonitoredItemCount = 0
        self.DisabledMonitoredItemCount = 0
        self.MonitoringQueueOverflowCount = 0
        self.NextSequenceNumber = 0
        self.EventQueueOverFlowCount = 0
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.SessionId.to_binary())
        packet.append(uatype_UInt32.pack(self.SubscriptionId))
        packet.append(uatype_Byte.pack(self.Priority))
        packet.append(uatype_Double.pack(self.PublishingInterval))
        packet.append(uatype_UInt32.pack(self.MaxKeepAliveCount))
        packet.append(uatype_UInt32.pack(self.MaxLifetimeCount))
        packet.append(uatype_UInt32.pack(self.MaxNotificationsPerPublish))
        packet.append(uatype_Boolean.pack(self.PublishingEnabled))
        packet.append(uatype_UInt32.pack(self.ModifyCount))
        packet.append(uatype_UInt32.pack(self.EnableCount))
        packet.append(uatype_UInt32.pack(self.DisableCount))
        packet.append(uatype_UInt32.pack(self.RepublishRequestCount))
        packet.append(uatype_UInt32.pack(self.RepublishMessageRequestCount))
        packet.append(uatype_UInt32.pack(self.RepublishMessageCount))
        packet.append(uatype_UInt32.pack(self.TransferRequestCount))
        packet.append(uatype_UInt32.pack(self.TransferredToAltClientCount))
        packet.append(uatype_UInt32.pack(self.TransferredToSameClientCount))
        packet.append(uatype_UInt32.pack(self.PublishRequestCount))
        packet.append(uatype_UInt32.pack(self.DataChangeNotificationsCount))
        packet.append(uatype_UInt32.pack(self.EventNotificationsCount))
        packet.append(uatype_UInt32.pack(self.NotificationsCount))
        packet.append(uatype_UInt32.pack(self.LatePublishRequestCount))
        packet.append(uatype_UInt32.pack(self.CurrentKeepAliveCount))
        packet.append(uatype_UInt32.pack(self.CurrentLifetimeCount))
        packet.append(uatype_UInt32.pack(self.UnacknowledgedMessageCount))
        packet.append(uatype_UInt32.pack(self.DiscardedMessageCount))
        packet.append(uatype_UInt32.pack(self.MonitoredItemCount))
        packet.append(uatype_UInt32.pack(self.DisabledMonitoredItemCount))
        packet.append(uatype_UInt32.pack(self.MonitoringQueueOverflowCount))
        packet.append(uatype_UInt32.pack(self.NextSequenceNumber))
        packet.append(uatype_UInt32.pack(self.EventQueueOverFlowCount))
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return SubscriptionDiagnosticsDataType(data)

    def _binary_init(self, data):
        self.SessionId = NodeId.from_binary(data)
        self.SubscriptionId = uatype_UInt32.unpack(data.read(4))[0]
        self.Priority = uatype_Byte.unpack(data.read(1))[0]
        self.PublishingInterval = uatype_Double.unpack(data.read(8))[0]
        self.MaxKeepAliveCount = uatype_UInt32.unpack(data.read(4))[0]
        self.MaxLifetimeCount = uatype_UInt32.unpack(data.read(4))[0]
        self.MaxNotificationsPerPublish = uatype_UInt32.unpack(data.read(4))[0]
        self.PublishingEnabled = uatype_Boolean.unpack(data.read(1))[0]
        self.ModifyCount = uatype_UInt32.unpack(data.read(4))[0]
        self.EnableCount = uatype_UInt32.unpack(data.read(4))[0]
        self.DisableCount = uatype_UInt32.unpack(data.read(4))[0]
        self.RepublishRequestCount = uatype_UInt32.unpack(data.read(4))[0]
        self.RepublishMessageRequestCount = uatype_UInt32.unpack(data.read(4))[0]
        self.RepublishMessageCount = uatype_UInt32.unpack(data.read(4))[0]
        self.TransferRequestCount = uatype_UInt32.unpack(data.read(4))[0]
        self.TransferredToAltClientCount = uatype_UInt32.unpack(data.read(4))[0]
        self.TransferredToSameClientCount = uatype_UInt32.unpack(data.read(4))[0]
        self.PublishRequestCount = uatype_UInt32.unpack(data.read(4))[0]
        self.DataChangeNotificationsCount = uatype_UInt32.unpack(data.read(4))[0]
        self.EventNotificationsCount = uatype_UInt32.unpack(data.read(4))[0]
        self.NotificationsCount = uatype_UInt32.unpack(data.read(4))[0]
        self.LatePublishRequestCount = uatype_UInt32.unpack(data.read(4))[0]
        self.CurrentKeepAliveCount = uatype_UInt32.unpack(data.read(4))[0]
        self.CurrentLifetimeCount = uatype_UInt32.unpack(data.read(4))[0]
        self.UnacknowledgedMessageCount = uatype_UInt32.unpack(data.read(4))[0]
        self.DiscardedMessageCount = uatype_UInt32.unpack(data.read(4))[0]
        self.MonitoredItemCount = uatype_UInt32.unpack(data.read(4))[0]
        self.DisabledMonitoredItemCount = uatype_UInt32.unpack(data.read(4))[0]
        self.MonitoringQueueOverflowCount = uatype_UInt32.unpack(data.read(4))[0]
        self.NextSequenceNumber = uatype_UInt32.unpack(data.read(4))[0]
        self.EventQueueOverFlowCount = uatype_UInt32.unpack(data.read(4))[0]

    def __str__(self):
        return 'SubscriptionDiagnosticsDataType(' + 'SessionId:' + str(self.SessionId) + ', ' + \
               'SubscriptionId:' + str(self.SubscriptionId) + ', ' + \
               'Priority:' + str(self.Priority) + ', ' + \
               'PublishingInterval:' + str(self.PublishingInterval) + ', ' + \
               'MaxKeepAliveCount:' + str(self.MaxKeepAliveCount) + ', ' + \
               'MaxLifetimeCount:' + str(self.MaxLifetimeCount) + ', ' + \
               'MaxNotificationsPerPublish:' + str(self.MaxNotificationsPerPublish) + ', ' + \
               'PublishingEnabled:' + str(self.PublishingEnabled) + ', ' + \
               'ModifyCount:' + str(self.ModifyCount) + ', ' + \
               'EnableCount:' + str(self.EnableCount) + ', ' + \
               'DisableCount:' + str(self.DisableCount) + ', ' + \
               'RepublishRequestCount:' + str(self.RepublishRequestCount) + ', ' + \
               'RepublishMessageRequestCount:' + str(self.RepublishMessageRequestCount) + ', ' + \
               'RepublishMessageCount:' + str(self.RepublishMessageCount) + ', ' + \
               'TransferRequestCount:' + str(self.TransferRequestCount) + ', ' + \
               'TransferredToAltClientCount:' + str(self.TransferredToAltClientCount) + ', ' + \
               'TransferredToSameClientCount:' + str(self.TransferredToSameClientCount) + ', ' + \
               'PublishRequestCount:' + str(self.PublishRequestCount) + ', ' + \
               'DataChangeNotificationsCount:' + str(self.DataChangeNotificationsCount) + ', ' + \
               'EventNotificationsCount:' + str(self.EventNotificationsCount) + ', ' + \
               'NotificationsCount:' + str(self.NotificationsCount) + ', ' + \
               'LatePublishRequestCount:' + str(self.LatePublishRequestCount) + ', ' + \
               'CurrentKeepAliveCount:' + str(self.CurrentKeepAliveCount) + ', ' + \
               'CurrentLifetimeCount:' + str(self.CurrentLifetimeCount) + ', ' + \
               'UnacknowledgedMessageCount:' + str(self.UnacknowledgedMessageCount) + ', ' + \
               'DiscardedMessageCount:' + str(self.DiscardedMessageCount) + ', ' + \
               'MonitoredItemCount:' + str(self.MonitoredItemCount) + ', ' + \
               'DisabledMonitoredItemCount:' + str(self.DisabledMonitoredItemCount) + ', ' + \
               'MonitoringQueueOverflowCount:' + str(self.MonitoringQueueOverflowCount) + ', ' + \
               'NextSequenceNumber:' + str(self.NextSequenceNumber) + ', ' + \
               'EventQueueOverFlowCount:' + str(self.EventQueueOverFlowCount) + ')'

    __repr__ = __str__


class ModelChangeStructureDataType(FrozenClass):
    '''
    :ivar Affected:
    :vartype Affected: NodeId
    :ivar AffectedType:
    :vartype AffectedType: NodeId
    :ivar Verb:
    :vartype Verb: Byte
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.Affected = NodeId()
        self.AffectedType = NodeId()
        self.Verb = 0
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.Affected.to_binary())
        packet.append(self.AffectedType.to_binary())
        packet.append(uatype_Byte.pack(self.Verb))
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return ModelChangeStructureDataType(data)

    def _binary_init(self, data):
        self.Affected = NodeId.from_binary(data)
        self.AffectedType = NodeId.from_binary(data)
        self.Verb = uatype_Byte.unpack(data.read(1))[0]

    def __str__(self):
        return 'ModelChangeStructureDataType(' + 'Affected:' + str(self.Affected) + ', ' + \
               'AffectedType:' + str(self.AffectedType) + ', ' + \
               'Verb:' + str(self.Verb) + ')'

    __repr__ = __str__


class SemanticChangeStructureDataType(FrozenClass):
    '''
    :ivar Affected:
    :vartype Affected: NodeId
    :ivar AffectedType:
    :vartype AffectedType: NodeId
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.Affected = NodeId()
        self.AffectedType = NodeId()
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.Affected.to_binary())
        packet.append(self.AffectedType.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return SemanticChangeStructureDataType(data)

    def _binary_init(self, data):
        self.Affected = NodeId.from_binary(data)
        self.AffectedType = NodeId.from_binary(data)

    def __str__(self):
        return 'SemanticChangeStructureDataType(' + 'Affected:' + str(self.Affected) + ', ' + \
               'AffectedType:' + str(self.AffectedType) + ')'

    __repr__ = __str__


class Range(FrozenClass):
    '''
    :ivar Low:
    :vartype Low: Double
    :ivar High:
    :vartype High: Double
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.Low = 0
        self.High = 0
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(uatype_Double.pack(self.Low))
        packet.append(uatype_Double.pack(self.High))
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return Range(data)

    def _binary_init(self, data):
        self.Low = uatype_Double.unpack(data.read(8))[0]
        self.High = uatype_Double.unpack(data.read(8))[0]

    def __str__(self):
        return 'Range(' + 'Low:' + str(self.Low) + ', ' + \
               'High:' + str(self.High) + ')'

    __repr__ = __str__


class EUInformation(FrozenClass):
    '''
    :ivar NamespaceUri:
    :vartype NamespaceUri: String
    :ivar UnitId:
    :vartype UnitId: Int32
    :ivar DisplayName:
    :vartype DisplayName: LocalizedText
    :ivar Description:
    :vartype Description: LocalizedText
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.NamespaceUri = ''
        self.UnitId = 0
        self.DisplayName = LocalizedText()
        self.Description = LocalizedText()
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(pack_string(self.NamespaceUri))
        packet.append(uatype_Int32.pack(self.UnitId))
        packet.append(self.DisplayName.to_binary())
        packet.append(self.Description.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return EUInformation(data)

    def _binary_init(self, data):
        self.NamespaceUri = unpack_string(data)
        self.UnitId = uatype_Int32.unpack(data.read(4))[0]
        self.DisplayName = LocalizedText.from_binary(data)
        self.Description = LocalizedText.from_binary(data)

    def __str__(self):
        return 'EUInformation(' + 'NamespaceUri:' + str(self.NamespaceUri) + ', ' + \
               'UnitId:' + str(self.UnitId) + ', ' + \
               'DisplayName:' + str(self.DisplayName) + ', ' + \
               'Description:' + str(self.Description) + ')'

    __repr__ = __str__


class ComplexNumberType(FrozenClass):
    '''
    :ivar Real:
    :vartype Real: Float
    :ivar Imaginary:
    :vartype Imaginary: Float
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.Real = 0
        self.Imaginary = 0
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(uatype_Float.pack(self.Real))
        packet.append(uatype_Float.pack(self.Imaginary))
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return ComplexNumberType(data)

    def _binary_init(self, data):
        self.Real = uatype_Float.unpack(data.read(4))[0]
        self.Imaginary = uatype_Float.unpack(data.read(4))[0]

    def __str__(self):
        return 'ComplexNumberType(' + 'Real:' + str(self.Real) + ', ' + \
               'Imaginary:' + str(self.Imaginary) + ')'

    __repr__ = __str__


class DoubleComplexNumberType(FrozenClass):
    '''
    :ivar Real:
    :vartype Real: Double
    :ivar Imaginary:
    :vartype Imaginary: Double
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.Real = 0
        self.Imaginary = 0
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(uatype_Double.pack(self.Real))
        packet.append(uatype_Double.pack(self.Imaginary))
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return DoubleComplexNumberType(data)

    def _binary_init(self, data):
        self.Real = uatype_Double.unpack(data.read(8))[0]
        self.Imaginary = uatype_Double.unpack(data.read(8))[0]

    def __str__(self):
        return 'DoubleComplexNumberType(' + 'Real:' + str(self.Real) + ', ' + \
               'Imaginary:' + str(self.Imaginary) + ')'

    __repr__ = __str__


class AxisInformation(FrozenClass):
    '''
    :ivar EngineeringUnits:
    :vartype EngineeringUnits: EUInformation
    :ivar EURange:
    :vartype EURange: Range
    :ivar Title:
    :vartype Title: LocalizedText
    :ivar AxisScaleType:
    :vartype AxisScaleType: AxisScaleEnumeration
    :ivar AxisSteps:
    :vartype AxisSteps: Double
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.EngineeringUnits = EUInformation()
        self.EURange = Range()
        self.Title = LocalizedText()
        self.AxisScaleType = AxisScaleEnumeration(0)
        self.AxisSteps = []
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.EngineeringUnits.to_binary())
        packet.append(self.EURange.to_binary())
        packet.append(self.Title.to_binary())
        packet.append(uatype_UInt32.pack(self.AxisScaleType.value))
        packet.append(uatype_Int32.pack(len(self.AxisSteps)))
        for fieldname in self.AxisSteps:
            packet.append(uatype_Double.pack(fieldname))
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return AxisInformation(data)

    def _binary_init(self, data):
        self.EngineeringUnits = EUInformation.from_binary(data)
        self.EURange = Range.from_binary(data)
        self.Title = LocalizedText.from_binary(data)
        self.AxisScaleType = AxisScaleEnumeration(uatype_UInt32.unpack(data.read(4))[0])
        self.AxisSteps = unpack_uatype_array('Double', data)

    def __str__(self):
        return 'AxisInformation(' + 'EngineeringUnits:' + str(self.EngineeringUnits) + ', ' + \
               'EURange:' + str(self.EURange) + ', ' + \
               'Title:' + str(self.Title) + ', ' + \
               'AxisScaleType:' + str(self.AxisScaleType) + ', ' + \
               'AxisSteps:' + str(self.AxisSteps) + ')'

    __repr__ = __str__


class XVType(FrozenClass):
    '''
    :ivar X:
    :vartype X: Double
    :ivar Value:
    :vartype Value: Float
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.X = 0
        self.Value = 0
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(uatype_Double.pack(self.X))
        packet.append(uatype_Float.pack(self.Value))
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return XVType(data)

    def _binary_init(self, data):
        self.X = uatype_Double.unpack(data.read(8))[0]
        self.Value = uatype_Float.unpack(data.read(4))[0]

    def __str__(self):
        return 'XVType(' + 'X:' + str(self.X) + ', ' + \
               'Value:' + str(self.Value) + ')'

    __repr__ = __str__


class ProgramDiagnosticDataType(FrozenClass):
    '''
    :ivar CreateSessionId:
    :vartype CreateSessionId: NodeId
    :ivar CreateClientName:
    :vartype CreateClientName: String
    :ivar InvocationCreationTime:
    :vartype InvocationCreationTime: DateTime
    :ivar LastTransitionTime:
    :vartype LastTransitionTime: DateTime
    :ivar LastMethodCall:
    :vartype LastMethodCall: String
    :ivar LastMethodSessionId:
    :vartype LastMethodSessionId: NodeId
    :ivar LastMethodInputArguments:
    :vartype LastMethodInputArguments: Argument
    :ivar LastMethodOutputArguments:
    :vartype LastMethodOutputArguments: Argument
    :ivar LastMethodCallTime:
    :vartype LastMethodCallTime: DateTime
    :ivar LastMethodReturnStatus:
    :vartype LastMethodReturnStatus: StatusResult
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.CreateSessionId = NodeId()
        self.CreateClientName = ''
        self.InvocationCreationTime = datetime.now()
        self.LastTransitionTime = datetime.now()
        self.LastMethodCall = ''
        self.LastMethodSessionId = NodeId()
        self.LastMethodInputArguments = []
        self.LastMethodOutputArguments = []
        self.LastMethodCallTime = datetime.now()
        self.LastMethodReturnStatus = StatusResult()
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(self.CreateSessionId.to_binary())
        packet.append(pack_string(self.CreateClientName))
        packet.append(pack_datetime(self.InvocationCreationTime))
        packet.append(pack_datetime(self.LastTransitionTime))
        packet.append(pack_string(self.LastMethodCall))
        packet.append(self.LastMethodSessionId.to_binary())
        packet.append(uatype_Int32.pack(len(self.LastMethodInputArguments)))
        for fieldname in self.LastMethodInputArguments:
            packet.append(fieldname.to_binary())
        packet.append(uatype_Int32.pack(len(self.LastMethodOutputArguments)))
        for fieldname in self.LastMethodOutputArguments:
            packet.append(fieldname.to_binary())
        packet.append(pack_datetime(self.LastMethodCallTime))
        packet.append(self.LastMethodReturnStatus.to_binary())
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return ProgramDiagnosticDataType(data)

    def _binary_init(self, data):
        self.CreateSessionId = NodeId.from_binary(data)
        self.CreateClientName = unpack_string(data)
        self.InvocationCreationTime = unpack_datetime(data)
        self.LastTransitionTime = unpack_datetime(data)
        self.LastMethodCall = unpack_string(data)
        self.LastMethodSessionId = NodeId.from_binary(data)
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(Argument.from_binary(data))
        self.LastMethodInputArguments = array
        length = uatype_Int32.unpack(data.read(4))[0]
        array = []
        if length != -1:
            for _ in range(0, length):
                array.append(Argument.from_binary(data))
        self.LastMethodOutputArguments = array
        self.LastMethodCallTime = unpack_datetime(data)
        self.LastMethodReturnStatus = StatusResult.from_binary(data)

    def __str__(self):
        return 'ProgramDiagnosticDataType(' + 'CreateSessionId:' + str(self.CreateSessionId) + ', ' + \
               'CreateClientName:' + str(self.CreateClientName) + ', ' + \
               'InvocationCreationTime:' + str(self.InvocationCreationTime) + ', ' + \
               'LastTransitionTime:' + str(self.LastTransitionTime) + ', ' + \
               'LastMethodCall:' + str(self.LastMethodCall) + ', ' + \
               'LastMethodSessionId:' + str(self.LastMethodSessionId) + ', ' + \
               'LastMethodInputArguments:' + str(self.LastMethodInputArguments) + ', ' + \
               'LastMethodOutputArguments:' + str(self.LastMethodOutputArguments) + ', ' + \
               'LastMethodCallTime:' + str(self.LastMethodCallTime) + ', ' + \
               'LastMethodReturnStatus:' + str(self.LastMethodReturnStatus) + ')'

    __repr__ = __str__


class Annotation(FrozenClass):
    '''
    :ivar Message:
    :vartype Message: String
    :ivar UserName:
    :vartype UserName: String
    :ivar AnnotationTime:
    :vartype AnnotationTime: DateTime
    '''
    def __init__(self, binary=None):
        if binary is not None:
            self._binary_init(binary)
            self._freeze = True
            return
        self.Message = ''
        self.UserName = ''
        self.AnnotationTime = datetime.now()
        self._freeze = True

    def to_binary(self):
        packet = []
        packet.append(pack_string(self.Message))
        packet.append(pack_string(self.UserName))
        packet.append(pack_datetime(self.AnnotationTime))
        return b''.join(packet)

    @staticmethod
    def from_binary(data):
        return Annotation(data)

    def _binary_init(self, data):
        self.Message = unpack_string(data)
        self.UserName = unpack_string(data)
        self.AnnotationTime = unpack_datetime(data)

    def __str__(self):
        return 'Annotation(' + 'Message:' + str(self.Message) + ', ' + \
               'UserName:' + str(self.UserName) + ', ' + \
               'AnnotationTime:' + str(self.AnnotationTime) + ')'

    __repr__ = __str__


ExtensionClasses = {
    ObjectIds.TrustListDataType_Encoding_DefaultBinary: TrustListDataType,
    ObjectIds.Argument_Encoding_DefaultBinary: Argument,
    ObjectIds.EnumValueType_Encoding_DefaultBinary: EnumValueType,
    ObjectIds.OptionSet_Encoding_DefaultBinary: OptionSet,
    ObjectIds.Union_Encoding_DefaultBinary: Union,
    ObjectIds.TimeZoneDataType_Encoding_DefaultBinary: TimeZoneDataType,
    ObjectIds.ApplicationDescription_Encoding_DefaultBinary: ApplicationDescription,
    ObjectIds.RequestHeader_Encoding_DefaultBinary: RequestHeader,
    ObjectIds.ResponseHeader_Encoding_DefaultBinary: ResponseHeader,
    ObjectIds.ServiceFault_Encoding_DefaultBinary: ServiceFault,
    ObjectIds.FindServersRequest_Encoding_DefaultBinary: FindServersRequest,
    ObjectIds.FindServersResponse_Encoding_DefaultBinary: FindServersResponse,
    ObjectIds.ServerOnNetwork_Encoding_DefaultBinary: ServerOnNetwork,
    ObjectIds.FindServersOnNetworkRequest_Encoding_DefaultBinary: FindServersOnNetworkRequest,
    ObjectIds.FindServersOnNetworkResponse_Encoding_DefaultBinary: FindServersOnNetworkResponse,
    ObjectIds.UserTokenPolicy_Encoding_DefaultBinary: UserTokenPolicy,
    ObjectIds.EndpointDescription_Encoding_DefaultBinary: EndpointDescription,
    ObjectIds.GetEndpointsRequest_Encoding_DefaultBinary: GetEndpointsRequest,
    ObjectIds.GetEndpointsResponse_Encoding_DefaultBinary: GetEndpointsResponse,
    ObjectIds.RegisteredServer_Encoding_DefaultBinary: RegisteredServer,
    ObjectIds.RegisterServerRequest_Encoding_DefaultBinary: RegisterServerRequest,
    ObjectIds.RegisterServerResponse_Encoding_DefaultBinary: RegisterServerResponse,
    ObjectIds.DiscoveryConfiguration_Encoding_DefaultBinary: DiscoveryConfiguration,
    ObjectIds.MdnsDiscoveryConfiguration_Encoding_DefaultBinary: MdnsDiscoveryConfiguration,
    ObjectIds.RegisterServer2Request_Encoding_DefaultBinary: RegisterServer2Request,
    ObjectIds.RegisterServer2Response_Encoding_DefaultBinary: RegisterServer2Response,
    ObjectIds.ChannelSecurityToken_Encoding_DefaultBinary: ChannelSecurityToken,
    ObjectIds.OpenSecureChannelRequest_Encoding_DefaultBinary: OpenSecureChannelRequest,
    ObjectIds.OpenSecureChannelResponse_Encoding_DefaultBinary: OpenSecureChannelResponse,
    ObjectIds.CloseSecureChannelRequest_Encoding_DefaultBinary: CloseSecureChannelRequest,
    ObjectIds.CloseSecureChannelResponse_Encoding_DefaultBinary: CloseSecureChannelResponse,
    ObjectIds.SignedSoftwareCertificate_Encoding_DefaultBinary: SignedSoftwareCertificate,
    ObjectIds.SignatureData_Encoding_DefaultBinary: SignatureData,
    ObjectIds.CreateSessionRequest_Encoding_DefaultBinary: CreateSessionRequest,
    ObjectIds.CreateSessionResponse_Encoding_DefaultBinary: CreateSessionResponse,
    ObjectIds.UserIdentityToken_Encoding_DefaultBinary: UserIdentityToken,
    ObjectIds.AnonymousIdentityToken_Encoding_DefaultBinary: AnonymousIdentityToken,
    ObjectIds.UserNameIdentityToken_Encoding_DefaultBinary: UserNameIdentityToken,
    ObjectIds.X509IdentityToken_Encoding_DefaultBinary: X509IdentityToken,
    ObjectIds.KerberosIdentityToken_Encoding_DefaultBinary: KerberosIdentityToken,
    ObjectIds.IssuedIdentityToken_Encoding_DefaultBinary: IssuedIdentityToken,
    ObjectIds.ActivateSessionRequest_Encoding_DefaultBinary: ActivateSessionRequest,
    ObjectIds.ActivateSessionResponse_Encoding_DefaultBinary: ActivateSessionResponse,
    ObjectIds.CloseSessionRequest_Encoding_DefaultBinary: CloseSessionRequest,
    ObjectIds.CloseSessionResponse_Encoding_DefaultBinary: CloseSessionResponse,
    ObjectIds.CancelRequest_Encoding_DefaultBinary: CancelRequest,
    ObjectIds.CancelResponse_Encoding_DefaultBinary: CancelResponse,
    ObjectIds.NodeAttributes_Encoding_DefaultBinary: NodeAttributes,
    ObjectIds.ObjectAttributes_Encoding_DefaultBinary: ObjectAttributes,
    ObjectIds.VariableAttributes_Encoding_DefaultBinary: VariableAttributes,
    ObjectIds.MethodAttributes_Encoding_DefaultBinary: MethodAttributes,
    ObjectIds.ObjectTypeAttributes_Encoding_DefaultBinary: ObjectTypeAttributes,
    ObjectIds.VariableTypeAttributes_Encoding_DefaultBinary: VariableTypeAttributes,
    ObjectIds.ReferenceTypeAttributes_Encoding_DefaultBinary: ReferenceTypeAttributes,
    ObjectIds.DataTypeAttributes_Encoding_DefaultBinary: DataTypeAttributes,
    ObjectIds.ViewAttributes_Encoding_DefaultBinary: ViewAttributes,
    ObjectIds.AddNodesItem_Encoding_DefaultBinary: AddNodesItem,
    ObjectIds.AddNodesResult_Encoding_DefaultBinary: AddNodesResult,
    ObjectIds.AddNodesRequest_Encoding_DefaultBinary: AddNodesRequest,
    ObjectIds.AddNodesResponse_Encoding_DefaultBinary: AddNodesResponse,
    ObjectIds.AddReferencesItem_Encoding_DefaultBinary: AddReferencesItem,
    ObjectIds.AddReferencesRequest_Encoding_DefaultBinary: AddReferencesRequest,
    ObjectIds.AddReferencesResponse_Encoding_DefaultBinary: AddReferencesResponse,
    ObjectIds.DeleteNodesItem_Encoding_DefaultBinary: DeleteNodesItem,
    ObjectIds.DeleteNodesRequest_Encoding_DefaultBinary: DeleteNodesRequest,
    ObjectIds.DeleteNodesResponse_Encoding_DefaultBinary: DeleteNodesResponse,
    ObjectIds.DeleteReferencesItem_Encoding_DefaultBinary: DeleteReferencesItem,
    ObjectIds.DeleteReferencesRequest_Encoding_DefaultBinary: DeleteReferencesRequest,
    ObjectIds.DeleteReferencesResponse_Encoding_DefaultBinary: DeleteReferencesResponse,
    ObjectIds.ViewDescription_Encoding_DefaultBinary: ViewDescription,
    ObjectIds.BrowseDescription_Encoding_DefaultBinary: BrowseDescription,
    ObjectIds.ReferenceDescription_Encoding_DefaultBinary: ReferenceDescription,
    ObjectIds.BrowseResult_Encoding_DefaultBinary: BrowseResult,
    ObjectIds.BrowseRequest_Encoding_DefaultBinary: BrowseRequest,
    ObjectIds.BrowseResponse_Encoding_DefaultBinary: BrowseResponse,
    ObjectIds.BrowseNextRequest_Encoding_DefaultBinary: BrowseNextRequest,
    ObjectIds.BrowseNextResponse_Encoding_DefaultBinary: BrowseNextResponse,
    ObjectIds.RelativePathElement_Encoding_DefaultBinary: RelativePathElement,
    ObjectIds.RelativePath_Encoding_DefaultBinary: RelativePath,
    ObjectIds.BrowsePath_Encoding_DefaultBinary: BrowsePath,
    ObjectIds.BrowsePathTarget_Encoding_DefaultBinary: BrowsePathTarget,
    ObjectIds.BrowsePathResult_Encoding_DefaultBinary: BrowsePathResult,
    ObjectIds.TranslateBrowsePathsToNodeIdsRequest_Encoding_DefaultBinary: TranslateBrowsePathsToNodeIdsRequest,
    ObjectIds.TranslateBrowsePathsToNodeIdsResponse_Encoding_DefaultBinary: TranslateBrowsePathsToNodeIdsResponse,
    ObjectIds.RegisterNodesRequest_Encoding_DefaultBinary: RegisterNodesRequest,
    ObjectIds.RegisterNodesResponse_Encoding_DefaultBinary: RegisterNodesResponse,
    ObjectIds.UnregisterNodesRequest_Encoding_DefaultBinary: UnregisterNodesRequest,
    ObjectIds.UnregisterNodesResponse_Encoding_DefaultBinary: UnregisterNodesResponse,
    ObjectIds.EndpointConfiguration_Encoding_DefaultBinary: EndpointConfiguration,
    ObjectIds.SupportedProfile_Encoding_DefaultBinary: SupportedProfile,
    ObjectIds.SoftwareCertificate_Encoding_DefaultBinary: SoftwareCertificate,
    ObjectIds.QueryDataDescription_Encoding_DefaultBinary: QueryDataDescription,
    ObjectIds.NodeTypeDescription_Encoding_DefaultBinary: NodeTypeDescription,
    ObjectIds.QueryDataSet_Encoding_DefaultBinary: QueryDataSet,
    ObjectIds.NodeReference_Encoding_DefaultBinary: NodeReference,
    ObjectIds.ContentFilterElement_Encoding_DefaultBinary: ContentFilterElement,
    ObjectIds.ContentFilter_Encoding_DefaultBinary: ContentFilter,
    ObjectIds.ElementOperand_Encoding_DefaultBinary: ElementOperand,
    ObjectIds.LiteralOperand_Encoding_DefaultBinary: LiteralOperand,
    ObjectIds.AttributeOperand_Encoding_DefaultBinary: AttributeOperand,
    ObjectIds.SimpleAttributeOperand_Encoding_DefaultBinary: SimpleAttributeOperand,
    ObjectIds.ContentFilterElementResult_Encoding_DefaultBinary: ContentFilterElementResult,
    ObjectIds.ContentFilterResult_Encoding_DefaultBinary: ContentFilterResult,
    ObjectIds.ParsingResult_Encoding_DefaultBinary: ParsingResult,
    ObjectIds.QueryFirstRequest_Encoding_DefaultBinary: QueryFirstRequest,
    ObjectIds.QueryFirstResponse_Encoding_DefaultBinary: QueryFirstResponse,
    ObjectIds.QueryNextRequest_Encoding_DefaultBinary: QueryNextRequest,
    ObjectIds.QueryNextResponse_Encoding_DefaultBinary: QueryNextResponse,
    ObjectIds.ReadValueId_Encoding_DefaultBinary: ReadValueId,
    ObjectIds.ReadRequest_Encoding_DefaultBinary: ReadRequest,
    ObjectIds.ReadResponse_Encoding_DefaultBinary: ReadResponse,
    ObjectIds.HistoryReadValueId_Encoding_DefaultBinary: HistoryReadValueId,
    ObjectIds.HistoryReadResult_Encoding_DefaultBinary: HistoryReadResult,
    ObjectIds.HistoryReadDetails_Encoding_DefaultBinary: HistoryReadDetails,
    ObjectIds.ReadEventDetails_Encoding_DefaultBinary: ReadEventDetails,
    ObjectIds.ReadRawModifiedDetails_Encoding_DefaultBinary: ReadRawModifiedDetails,
    ObjectIds.ReadProcessedDetails_Encoding_DefaultBinary: ReadProcessedDetails,
    ObjectIds.ReadAtTimeDetails_Encoding_DefaultBinary: ReadAtTimeDetails,
    ObjectIds.HistoryData_Encoding_DefaultBinary: HistoryData,
    ObjectIds.ModificationInfo_Encoding_DefaultBinary: ModificationInfo,
    ObjectIds.HistoryModifiedData_Encoding_DefaultBinary: HistoryModifiedData,
    ObjectIds.HistoryEvent_Encoding_DefaultBinary: HistoryEvent,
    ObjectIds.HistoryReadRequest_Encoding_DefaultBinary: HistoryReadRequest,
    ObjectIds.HistoryReadResponse_Encoding_DefaultBinary: HistoryReadResponse,
    ObjectIds.WriteValue_Encoding_DefaultBinary: WriteValue,
    ObjectIds.WriteRequest_Encoding_DefaultBinary: WriteRequest,
    ObjectIds.WriteResponse_Encoding_DefaultBinary: WriteResponse,
    ObjectIds.HistoryUpdateDetails_Encoding_DefaultBinary: HistoryUpdateDetails,
    ObjectIds.UpdateDataDetails_Encoding_DefaultBinary: UpdateDataDetails,
    ObjectIds.UpdateStructureDataDetails_Encoding_DefaultBinary: UpdateStructureDataDetails,
    ObjectIds.UpdateEventDetails_Encoding_DefaultBinary: UpdateEventDetails,
    ObjectIds.DeleteRawModifiedDetails_Encoding_DefaultBinary: DeleteRawModifiedDetails,
    ObjectIds.DeleteAtTimeDetails_Encoding_DefaultBinary: DeleteAtTimeDetails,
    ObjectIds.DeleteEventDetails_Encoding_DefaultBinary: DeleteEventDetails,
    ObjectIds.HistoryUpdateResult_Encoding_DefaultBinary: HistoryUpdateResult,
    ObjectIds.HistoryUpdateRequest_Encoding_DefaultBinary: HistoryUpdateRequest,
    ObjectIds.HistoryUpdateResponse_Encoding_DefaultBinary: HistoryUpdateResponse,
    ObjectIds.CallMethodRequest_Encoding_DefaultBinary: CallMethodRequest,
    ObjectIds.CallMethodResult_Encoding_DefaultBinary: CallMethodResult,
    ObjectIds.CallRequest_Encoding_DefaultBinary: CallRequest,
    ObjectIds.CallResponse_Encoding_DefaultBinary: CallResponse,
    ObjectIds.MonitoringFilter_Encoding_DefaultBinary: MonitoringFilter,
    ObjectIds.DataChangeFilter_Encoding_DefaultBinary: DataChangeFilter,
    ObjectIds.EventFilter_Encoding_DefaultBinary: EventFilter,
    ObjectIds.AggregateConfiguration_Encoding_DefaultBinary: AggregateConfiguration,
    ObjectIds.AggregateFilter_Encoding_DefaultBinary: AggregateFilter,
    ObjectIds.MonitoringFilterResult_Encoding_DefaultBinary: MonitoringFilterResult,
    ObjectIds.EventFilterResult_Encoding_DefaultBinary: EventFilterResult,
    ObjectIds.AggregateFilterResult_Encoding_DefaultBinary: AggregateFilterResult,
    ObjectIds.MonitoringParameters_Encoding_DefaultBinary: MonitoringParameters,
    ObjectIds.MonitoredItemCreateRequest_Encoding_DefaultBinary: MonitoredItemCreateRequest,
    ObjectIds.MonitoredItemCreateResult_Encoding_DefaultBinary: MonitoredItemCreateResult,
    ObjectIds.CreateMonitoredItemsRequest_Encoding_DefaultBinary: CreateMonitoredItemsRequest,
    ObjectIds.CreateMonitoredItemsResponse_Encoding_DefaultBinary: CreateMonitoredItemsResponse,
    ObjectIds.MonitoredItemModifyRequest_Encoding_DefaultBinary: MonitoredItemModifyRequest,
    ObjectIds.MonitoredItemModifyResult_Encoding_DefaultBinary: MonitoredItemModifyResult,
    ObjectIds.ModifyMonitoredItemsRequest_Encoding_DefaultBinary: ModifyMonitoredItemsRequest,
    ObjectIds.ModifyMonitoredItemsResponse_Encoding_DefaultBinary: ModifyMonitoredItemsResponse,
    ObjectIds.SetMonitoringModeRequest_Encoding_DefaultBinary: SetMonitoringModeRequest,
    ObjectIds.SetMonitoringModeResponse_Encoding_DefaultBinary: SetMonitoringModeResponse,
    ObjectIds.SetTriggeringRequest_Encoding_DefaultBinary: SetTriggeringRequest,
    ObjectIds.SetTriggeringResponse_Encoding_DefaultBinary: SetTriggeringResponse,
    ObjectIds.DeleteMonitoredItemsRequest_Encoding_DefaultBinary: DeleteMonitoredItemsRequest,
    ObjectIds.DeleteMonitoredItemsResponse_Encoding_DefaultBinary: DeleteMonitoredItemsResponse,
    ObjectIds.CreateSubscriptionRequest_Encoding_DefaultBinary: CreateSubscriptionRequest,
    ObjectIds.CreateSubscriptionResponse_Encoding_DefaultBinary: CreateSubscriptionResponse,
    ObjectIds.ModifySubscriptionRequest_Encoding_DefaultBinary: ModifySubscriptionRequest,
    ObjectIds.ModifySubscriptionResponse_Encoding_DefaultBinary: ModifySubscriptionResponse,
    ObjectIds.SetPublishingModeRequest_Encoding_DefaultBinary: SetPublishingModeRequest,
    ObjectIds.SetPublishingModeResponse_Encoding_DefaultBinary: SetPublishingModeResponse,
    ObjectIds.NotificationMessage_Encoding_DefaultBinary: NotificationMessage,
    ObjectIds.NotificationData_Encoding_DefaultBinary: NotificationData,
    ObjectIds.DataChangeNotification_Encoding_DefaultBinary: DataChangeNotification,
    ObjectIds.MonitoredItemNotification_Encoding_DefaultBinary: MonitoredItemNotification,
    ObjectIds.EventNotificationList_Encoding_DefaultBinary: EventNotificationList,
    ObjectIds.EventFieldList_Encoding_DefaultBinary: EventFieldList,
    ObjectIds.HistoryEventFieldList_Encoding_DefaultBinary: HistoryEventFieldList,
    ObjectIds.StatusChangeNotification_Encoding_DefaultBinary: StatusChangeNotification,
    ObjectIds.SubscriptionAcknowledgement_Encoding_DefaultBinary: SubscriptionAcknowledgement,
    ObjectIds.PublishRequest_Encoding_DefaultBinary: PublishRequest,
    ObjectIds.PublishResponse_Encoding_DefaultBinary: PublishResponse,
    ObjectIds.RepublishRequest_Encoding_DefaultBinary: RepublishRequest,
    ObjectIds.RepublishResponse_Encoding_DefaultBinary: RepublishResponse,
    ObjectIds.TransferResult_Encoding_DefaultBinary: TransferResult,
    ObjectIds.TransferSubscriptionsRequest_Encoding_DefaultBinary: TransferSubscriptionsRequest,
    ObjectIds.TransferSubscriptionsResponse_Encoding_DefaultBinary: TransferSubscriptionsResponse,
    ObjectIds.DeleteSubscriptionsRequest_Encoding_DefaultBinary: DeleteSubscriptionsRequest,
    ObjectIds.DeleteSubscriptionsResponse_Encoding_DefaultBinary: DeleteSubscriptionsResponse,
    ObjectIds.BuildInfo_Encoding_DefaultBinary: BuildInfo,
    ObjectIds.RedundantServerDataType_Encoding_DefaultBinary: RedundantServerDataType,
    ObjectIds.EndpointUrlListDataType_Encoding_DefaultBinary: EndpointUrlListDataType,
    ObjectIds.NetworkGroupDataType_Encoding_DefaultBinary: NetworkGroupDataType,
    ObjectIds.SamplingIntervalDiagnosticsDataType_Encoding_DefaultBinary: SamplingIntervalDiagnosticsDataType,
    ObjectIds.ServerDiagnosticsSummaryDataType_Encoding_DefaultBinary: ServerDiagnosticsSummaryDataType,
    ObjectIds.ServerStatusDataType_Encoding_DefaultBinary: ServerStatusDataType,
    ObjectIds.SessionDiagnosticsDataType_Encoding_DefaultBinary: SessionDiagnosticsDataType,
    ObjectIds.SessionSecurityDiagnosticsDataType_Encoding_DefaultBinary: SessionSecurityDiagnosticsDataType,
    ObjectIds.ServiceCounterDataType_Encoding_DefaultBinary: ServiceCounterDataType,
    ObjectIds.StatusResult_Encoding_DefaultBinary: StatusResult,
    ObjectIds.SubscriptionDiagnosticsDataType_Encoding_DefaultBinary: SubscriptionDiagnosticsDataType,
    ObjectIds.ModelChangeStructureDataType_Encoding_DefaultBinary: ModelChangeStructureDataType,
    ObjectIds.SemanticChangeStructureDataType_Encoding_DefaultBinary: SemanticChangeStructureDataType,
    ObjectIds.Range_Encoding_DefaultBinary: Range,
    ObjectIds.EUInformation_Encoding_DefaultBinary: EUInformation,
    ObjectIds.ComplexNumberType_Encoding_DefaultBinary: ComplexNumberType,
    ObjectIds.DoubleComplexNumberType_Encoding_DefaultBinary: DoubleComplexNumberType,
    ObjectIds.AxisInformation_Encoding_DefaultBinary: AxisInformation,
    ObjectIds.XVType_Encoding_DefaultBinary: XVType,
    ObjectIds.ProgramDiagnosticDataType_Encoding_DefaultBinary: ProgramDiagnosticDataType,
    ObjectIds.Annotation_Encoding_DefaultBinary: Annotation,
}


def extensionobject_from_binary(data):
    """
    Convert binary-coded ExtensionObject to a Python object.
    Returns an object, or None if TypeId is zero
    """
    TypeId = NodeId.from_binary(data)
    Encoding = ord(data.read(1))
    body = None
    if Encoding & (1 << 0):
        length = uatype_Int32.unpack(data.read(4))[0]
        if length < 1:
            body = Buffer(b"")
        else:
            body = data.copy(length)
            data.skip(length)
    if TypeId.Identifier == 0:
        return None
    elif TypeId.Identifier not in ExtensionClasses:
        raise UAError("unknown ExtensionObject Type: {}".format(TypeId))
    klass = ExtensionClasses[TypeId.Identifier]
    if body is None:
        raise UAError("parsing ExtensionObject {} without data".format(klass.__name__))
    return klass.from_binary(body)


def extensionobject_to_binary(obj):
    """
    Convert Python object to binary-coded ExtensionObject.
    If obj is None, convert to empty ExtensionObject (TypeId = 0, no Body).
    Returns a binary string
    """
    TypeId = NodeId()
    Encoding = 0
    Body = None
    if obj is not None:
        TypeId = FourByteNodeId(getattr(ObjectIds, "{}_Encoding_DefaultBinary".format(obj.__class__.__name__)))
        Encoding |= (1 << 0)
        Body = obj.to_binary()
    packet = []
    packet.append(TypeId.to_binary())
    packet.append(uatype_UInt8.pack(Encoding))
    if Body:
        packet.append(pack_bytes(Body))
    return b''.join(packet)

FreeOpcUa / python-opcua

Pull Request — master (#114)

opcua.ua.AddReferencesResponse.from_binary() A

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