FreeOpcUa /
python-opcua
| @@ 973-1000 (lines=28) @@ | ||
| 970 | self.ServerPicoseconds = None |
|
| 971 | self._freeze = True |
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| 972 | ||
| 973 | def to_binary(self): |
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| 974 | packet = [] |
|
| 975 | if self.Value: |
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| 976 | self.Encoding |= (1 << 0) |
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| 977 | if self.StatusCode: |
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| 978 | self.Encoding |= (1 << 1) |
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| 979 | if self.SourceTimestamp: |
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| 980 | self.Encoding |= (1 << 2) |
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| 981 | if self.ServerTimestamp: |
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| 982 | self.Encoding |= (1 << 3) |
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| 983 | if self.SourcePicoseconds: |
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| 984 | self.Encoding |= (1 << 4) |
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| 985 | if self.ServerPicoseconds: |
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| 986 | self.Encoding |= (1 << 5) |
|
| 987 | packet.append(uabin.Primitives.UInt8.pack(self.Encoding)) |
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| 988 | if self.Value: |
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| 989 | packet.append(self.Value.to_binary()) |
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| 990 | if self.StatusCode: |
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| 991 | packet.append(self.StatusCode.to_binary()) |
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| 992 | if self.SourceTimestamp: |
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| 993 | packet.append(uabin.Primitives.DateTime.pack(self.SourceTimestamp)) # self.SourceTimestamp.to_binary()) |
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| 994 | if self.ServerTimestamp: |
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| 995 | packet.append(uabin.Primitives.DateTime.pack(self.ServerTimestamp)) # self.ServerTimestamp.to_binary()) |
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| 996 | if self.SourcePicoseconds: |
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| 997 | packet.append(uabin.Primitives.UInt16.pack(self.SourcePicoseconds)) |
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| 998 | if self.ServerPicoseconds: |
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| 999 | packet.append(uabin.Primitives.UInt16.pack(self.ServerPicoseconds)) |
|
| 1000 | return b''.join(packet) |
|
| 1001 | ||
| 1002 | @staticmethod |
|
| 1003 | def from_binary(data): |
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| @@ 1016-1037 (lines=22) @@ | ||
| 1013 | packet.append(uabin.Primitives.UInt16.pack(self.SourcePicoseconds)) |
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| 1014 | if self.ServerTimestamp: |
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| 1015 | packet.append(uabin.Primitives.DateTime.pack(self.ServerTimestamp)) |
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| 1016 | if self.ServerPicoseconds: |
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| 1017 | packet.append(uabin.Primitives.UInt16.pack(self.ServerPicoseconds)) |
|
| 1018 | return b''.join(packet) |
|
| 1019 | ||
| 1020 | @staticmethod |
|
| 1021 | def from_binary(data): |
|
| 1022 | obj = DataValue() |
|
| 1023 | self.Encoding = uabin.Primitives.UInt8.unpack(data) |
|
| 1024 | if obj.Encoding & (1 << 0): |
|
| 1025 | obj.Value = Variant.from_binary(data) |
|
| 1026 | else: |
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| 1027 | obj.Value = Variant() |
|
| 1028 | if obj.Encoding & (1 << 1): |
|
| 1029 | obj.StatusCode = StatusCode.from_binary(data) |
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| 1030 | else: |
|
| 1031 | obj.StatusCode = StatusCode() |
|
| 1032 | if obj.Encoding & (1 << 2): |
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| 1033 | self.SourceTimestamp = uabin.Primitives.DateTime.unpack(data) |
|
| 1034 | else: |
|
| 1035 | obj.SourceTimestamp = datetime.utcnow() |
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| 1036 | if obj.Encoding & (1 << 3): |
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| 1037 | self.SourcePicoseconds = uabin.Primitives.UInt16.unpack(data) |
|
| 1038 | else: |
|
| 1039 | obj.SourcePicoseconds = 0 |
|
| 1040 | if obj.Encoding & (1 << 4): |
|
