exabgp.bgp.message.update.attribute.bgpls.node.lterid

Complexity

Total Complexity

7

Size/Duplication

Total Lines	50
Duplicated Lines	0 %

Importance

Changes

0

5 Methods

Rating	Name	Duplication	Size	Complexity
A	LocalTeRid.__repr__()	0	2	1
A	LocalTeRid.reset()	0	3	1
A	LocalTeRid.json()	0	2	1
A	LocalTeRid.unpack()	0	10	3
A	LocalTeRid.__init__()	0	2	1

# encoding: utf-8
"""
nodename.py

Created by Evelio Vila on 2016-12-01.
Copyright (c) 2014-2017 Exa Networks. All rights reserved.
"""

from exabgp.protocol.ip import IP
from exabgp.bgp.message.notification import Notify

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


#   |     1028    | IPv4 Router-ID of    |        4 | [RFC5305]/4.3     |
#   |             | Local Node           |          |                   |
#   |     1029    | IPv6 Router-ID of    |       16 | [RFC6119]/4.1     |
#   |             | Local Node           |          |                   |
#   +-------------+----------------------+----------+-------------------+
#   https://tools.ietf.org/html/rfc7752 sec 3.3.1.4  - Traffic Engineering RouterID

@LINKSTATE.register(lsid=1028)
@LINKSTATE.register(lsid=1029)
class LocalTeRid(object):
	_terids = []

	def __init__ (self):
		self.terids = [str(terid) for terid in LocalTeRid._terids]

	def __repr__ (self):
		return "Local TE Router IDs: %s" % ', '.join(self.terids)

	@classmethod
	def unpack (cls,data,length):
		if len(data) == 4:
			# IPv4 address
			terid = IP.unpack(data[:4])
		elif len(data) == 16:
			# IPv6
			terid = IP.unpack(data[:16])
		cls._terids.append(terid)

The variable terid does not seem to be defined for all execution paths.

		return cls()

	def json (self,compact=None):
		return '"local-te-router-ids": ["%s"]' % '", "'.join(self.terids)

	@classmethod
	def reset(cls):
	    cls._terids = []