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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 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 LsGenericFlags |
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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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# |O|T|E|B|R|V| Rsvd| |
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# +-+-+-+-+-+-+-+-+-+ |
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# https://tools.ietf.org/html/rfc7752 Sec 3.3.1.1. Node Flag Bits TLV |
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# +-----------------+-------------------------+------------+ |
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# | Bit | Description | Reference | |
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# +-----------------+-------------------------+------------+ |
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# | 'O' | Overload Bit | [ISO10589] | |
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# | 'T' | Attached Bit | [ISO10589] | |
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# | 'E' | External Bit | [RFC2328] | |
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# | 'B' | ABR Bit | [RFC2328] | |
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# | 'R' | Router Bit | [RFC5340] | |
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# | 'V' | V6 Bit | [RFC5340] | |
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# | Reserved (Rsvd) | Reserved for future use | | |
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# +-----------------+-------------------------+------------+ |
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# https://tools.ietf.org/html/rfc7752 sec 3.3.1.1 Node Flag Bits Definitions |
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# RFC 7752 3.3.1.1. Node Flag Bits TLV |
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@LINKSTATE.register() |
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class NodeFlags(LsGenericFlags): |
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REPR = 'Node Flags' |
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JSON = 'node-flags' |
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TLV = 1024 |
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LS_NODE_FLAGS = ['O', 'T', 'E', 'B', 'R', 'V', 'RSV', 'RSV'] |
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LEN = 1 |
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Exa-Networks /
exabgp
