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PrefixMetric.__init__()   A

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

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
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"""
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prefixmetric.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 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

            


            
                                                                                                            
                            
            
                                    
            
            

                
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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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#     |                            Metric                             |

            


            
                                                                                                            
                            
            
                                    
            
            

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

            


            
                                                                                                            
                            
            
                                    
            
            

                
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#     https://tools.ietf.org/html/rfc7752#section-3.3.3.4

            


            
                                                                                                            
                            
            
                                    
            
            

                
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@LinkState.register()

            


            
                                                                                                            
                            
            
                                    
            
            

                
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class PrefixMetric(BaseLS):

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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    TLV = 1155

            


            
                                                                        
                            
            
                                    
            
            

                
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    REPR = 'prefix_metric'

            


            
                                                                        
                            
            
                                    
            
            

                
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    JSON = 'prefix-metric'

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    LEN = 4

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    @classmethod

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    def unpack(cls, data, length):

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        cls.check(length)

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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        return cls(int(unpack("!L", data)[0]))

            


            
                                                        
            
                                    
            
            

                
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