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↳ Parent: exabgp.bgp.message.update.attribute.bgpls.prefix.opaque.PrefixOpaque.unpack()

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 1
dl 2
loc 2
rs 10
c 0
b 0
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# encoding: utf-8
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"""
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nodename.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 struct import pack

            


            
                                                                                                            
                            
            
                                    
            
            

                
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from struct import unpack

            


            
                                                                                                            
                            
            
                                    
            
            

                
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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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#

            


            
                                                                                                            
                            
            
                                    
            
            

                
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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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#     //              Opaque Prefix Attributes  (variable)           //

            


            
                                                                                                            
                            
            
                                    
            
            

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

            


            
                                                                                                            
                            
            
                                    
            
            

                
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#     https://tools.ietf.org/html/rfc7752#section-3.3.3.6

            


            
                                                                                                            
                            
            
                                    
            
            

                
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#

            


            
                                                                                                            
                            
            
                                    
            
            

                
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@LinkState.register()

            


            
                                                                                                            
                            
            
                                    
            
            

                
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class PrefixOpaque(BaseLS):

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    TLV = 1157

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    REPR = 'Opaque Prefix Attribute'

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    JSON = 'opaque-prefix'

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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    @classmethod

            


            
                                                        
            
                                    
            
            

                
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    def unpack(cls, data, length):

            


            
                                                        
            
                                    
            
            

                
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        return cls(unpack("!%ds" % length, data[:length])[0])

            


            
                                                        
            
                                    
            
            

                
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