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OspfForwardingAddress.__init__()   A

↳ Parent: exabgp.bgp.message.update.attribute.bgpls.prefix.ospfaddr

Complexity

Conditions 1

Size

Total Lines 2
Code Lines 2

Duplication

Lines 2
Ratio 100 %

Importance

Changes 0
Metric Value
cc 1
eloc 2
nop 2
dl 2
loc 2
rs 10
c 0
b 0
f 0
1 
# encoding: utf-8
2 
"""
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ospfaddr.py
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Created by Evelio Vila on 2016-12-01.

            


            
                                                                                                            
                            
            
                                    
            
            

                
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Copyright (c) 2014-2017 Exa Networks. All rights reserved.

            


            
                                                                                                            
                            
            
                                    
            
            

                
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"""

            


            
                                                                                                            
                            
            
                                    
            
            

                
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from exabgp.protocol.ip import IP

            


            
                                                                                                            
                            
            
                                    
            
            

                
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from exabgp.bgp.message.notification import Notify

            


            
                                                                                                            
                            
            
                                    
            
            

                
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from exabgp.bgp.message.update.attribute.bgpls.linkstate import LinkState

            


            
                                                                                                            
                            
            
                                    
            
            

                
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from exabgp.bgp.message.update.attribute.bgpls.linkstate import BaseLS

            


            
                                                                                                            
                            
            
                                    
            
            

                
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#      0                   1                   2                   3

            


            
                                                                                                            
                            
            
                                    
            
            

                
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#      0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1

            


            
                                                                                                            
                            
            
                                    
            
            

                
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#     +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+

            


            
                                                                                                            
                            
            
                                    
            
            

                
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#     |              Type             |             Length            |

            


            
                                                                                                            
                            
            
                                    
            
            

                
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#     +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+

            


            
                                                                                                            
                            
            
                                    
            
            

                
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#     //                Forwarding Address (variable)                //

            


            
                                                                                                            
                            
            
                                    
            
            

                
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#     +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+

            


            
                                                                                                            
                            
            
                                    
            
            

                
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#     https://tools.ietf.org/html/rfc7752#section-3.3.3.5

            


            
                                                                                                            
                            
            
                                    
            
            

                
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@LinkState.register()

            


            
                                                                                                            
                            
            
                                    
            
            

                
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class OspfForwardingAddress(BaseLS):

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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    TLV = 1156

            


            
                                                                        
                            
            
                                    
            
            

                
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    REPR = 'Ospf forwarding address'

            


            
                                                                        
                            
            
                                    
            
            

                
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    JSON = 'ospf-forwarding-address'

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    @classmethod

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    def unpack(cls, data, length):

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        size = len(data)

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        if size not in (4, 16):

            


            
                                                                                                            
                            
            
                                    
            
            

                
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            raise Notify(3, 5, "Error parsing OSPF Forwarding Address. Wrong size")

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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        return cls(IP.unpack(data[:size]))

            


            
                                                        
            
                                    
            
            

                
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