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# encoding: utf-8
"""
igpflags.py
Created by Evelio Vila on 2016-12-01.
Copyright (c) 2014-2017 Exa Networks. All rights reserved.
from exabgp.bgp.message.notification import Notify
from exabgp.bgp.message.update.attribute.bgpls.linkstate import LINKSTATE
from exabgp.bgp.message.update.attribute.bgpls.linkstate import LsGenericFlags
# 0 1 2 3
# 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
# +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
# | Type | Length |
# |D|N|L|P| Resvd.|
# +-+-+-+-+-+-+-+-+
# https://tools.ietf.org/html/rfc7752#section-3.3.3.1
#
# +----------+---------------------------+-----------+
# | Bit | Description | Reference |
# | 'D' | IS-IS Up/Down Bit | [RFC5305] |
# | 'N' | OSPF "no unicast" Bit | [RFC5340] |
# | 'L' | OSPF "local address" Bit | [RFC5340] |
# | 'P' | OSPF "propagate NSSA" Bit | [RFC5340] |
# | Reserved | Reserved for future use. | |
# RFC 7752 3.3.3.1. IGP Flags TLV
@LINKSTATE.register()
class IgpFlags(LsGenericFlags):
REPR = 'IGP flags'
JSON = 'igp-flags'
TLV = 1152
FLAGS = ['D', 'N', 'L', 'P', 'RSV', 'RSV', 'RSV', 'RSV']
LEN = 1