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exabgp.bgp.message.update.attribute.bgpls.prefix.srrid.SrSourceRouterID.json()   A

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Complexity

Conditions 1

Size

Total Lines 2
Code Lines 2

Duplication

Lines 2
Ratio 100 %

Importance

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cc 1
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rs 10
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# encoding: utf-8
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"""
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srrid.py
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Created by Evelio Vila

            


            
                                                                                                            
                            
            
                                    
            
            

                
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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.update.attribute.bgpls.linkstate import LinkState

            


            
                                                                                                            
                            
            
                                    
            
            

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

            


            
                                                                                                            
                            
            
                                    
            
            

                
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#    draft-gredler-idr-bgp-ls-segment-routing-ext-03

            


            
                                                                                                            
                            
            
                                    
            
            

                
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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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#   //                  IPv4/IPv6 Address (Router-ID)              //

            


            
                                                                                                            
                            
            
                                    
            
            

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

            


            
                                                                                                            
                            
            
                                    
            
            

                
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#     Source Router Identifier (Source Router-ID) TLV

            


            
                                                                                                            
                            
            
                                    
            
            

                
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@LinkState.register()

            


            
                                                                                                            
                            
            
                                    
            
            

                
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class SrSourceRouterID(BaseLS):

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    TLV = 1171

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    REPR = 'Source router identifier'

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    JSON = 'sr-source-router-id'

            


            
                                                                                                            
                            
            
                                    
            
            

                
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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 SR Source Router ID. Wrong size")

            


                            

                    
                        
                    
                    
                    
                    
                                                                                                    
                        

                            
                            
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The variable Notify does not seem to be defined.
                                                                                                

                    
                                                    

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

            


            
                                                                                                            
                            
            
                                    
            
            

                
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