text: # 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):
  
  	def __init__ (self, terid):
  		self.terid = terid
  
  	def __repr__ (self):
  		return "Local TE Router ID: %s" % (self.terid)
  
  	@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])
  		return cls(terid=terid)
  
  	def json (self,compact=None):
  		return '"local-te-router-id": "%s"' % str(self.terid)
  