2 * Copyright (c) 2018 AT&T Intellectual Property. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
9 package org.opendaylight.protocol.bgp.mvpn.impl.nlri;
11 import io.netty.buffer.ByteBuf;
12 import org.opendaylight.protocol.bgp.parser.BGPParsingException;
13 import org.opendaylight.protocol.bgp.parser.BgpTableTypeImpl;
14 import org.opendaylight.protocol.bgp.parser.spi.MultiPathSupportUtil;
15 import org.opendaylight.protocol.bgp.parser.spi.NlriParser;
16 import org.opendaylight.protocol.bgp.parser.spi.NlriSerializer;
17 import org.opendaylight.protocol.bgp.parser.spi.PeerSpecificParserConstraint;
18 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev180329.path.attributes.Attributes;
19 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev180329.Attributes1;
20 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev180329.Attributes2;
21 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev180329.update.attributes.MpReachNlriBuilder;
22 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev180329.update.attributes.MpUnreachNlriBuilder;
23 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev180329.update.attributes.mp.reach.nlri.AdvertizedRoutes;
24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev180329.update.attributes.mp.reach.nlri.AdvertizedRoutesBuilder;
25 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev180329.update.attributes.mp.unreach.nlri.WithdrawnRoutes;
26 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev180329.update.attributes.mp.unreach.nlri.WithdrawnRoutesBuilder;
27 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.mvpn.ipv6.rev180417.update.attributes.mp.reach.nlri.advertized.routes.destination.type.DestinationMvpnIpv6AdvertizedCase;
28 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.mvpn.ipv6.rev180417.update.attributes.mp.unreach.nlri.withdrawn.routes.destination.type.DestinationMvpnIpv6WithdrawnCase;
31 * https://tools.ietf.org/html/rfc6514#section-4.
33 * @author Claudio D. Gasparini
35 public final class MvpnIpv6NlriHandler implements NlriParser, NlriSerializer {
37 public void parseNlri(
39 final MpReachNlriBuilder builder,
40 final PeerSpecificParserConstraint constraint) throws BGPParsingException {
41 if (!nlri.isReadable()) {
44 final boolean mPathSupported = MultiPathSupportUtil.isTableTypeSupported(constraint,
45 new BgpTableTypeImpl(builder.getAfi(), builder.getSafi()));
47 builder.setAdvertizedRoutes(new AdvertizedRoutesBuilder()
48 .setDestinationType(Ipv6NlriHandler.parseIpv6ReachNlri(nlri, mPathSupported)).build());
53 public void parseNlri(
55 final MpUnreachNlriBuilder builder,
56 final PeerSpecificParserConstraint constraint) throws BGPParsingException {
57 if (!nlri.isReadable()) {
60 final boolean mPathSupported = MultiPathSupportUtil.isTableTypeSupported(constraint,
61 new BgpTableTypeImpl(builder.getAfi(), builder.getSafi()));
62 builder.setWithdrawnRoutes(new WithdrawnRoutesBuilder()
63 .setDestinationType(Ipv6NlriHandler.parseIpv6UnreachNlri(nlri, mPathSupported)).build());
67 public void serializeAttribute(final Attributes pathAttributes, final ByteBuf byteAggregator) {
68 final Attributes1 pathAttributes1 = pathAttributes.augmentation(Attributes1.class);
69 final Attributes2 pathAttributes2 = pathAttributes.augmentation(Attributes2.class);
70 if (pathAttributes1 != null) {
71 final AdvertizedRoutes routes = pathAttributes1.getMpReachNlri().getAdvertizedRoutes();
72 if (routes != null && routes.getDestinationType() instanceof DestinationMvpnIpv6AdvertizedCase) {
73 final DestinationMvpnIpv6AdvertizedCase reach
74 = (DestinationMvpnIpv6AdvertizedCase) routes.getDestinationType();
75 Ipv6NlriHandler.serializeNlri(reach.getDestinationMvpn().getMvpnDestination(),
78 } else if (pathAttributes2 != null) {
79 final WithdrawnRoutes withdrawnRoutes = pathAttributes2.getMpUnreachNlri().getWithdrawnRoutes();
80 if (withdrawnRoutes != null
81 && withdrawnRoutes.getDestinationType() instanceof DestinationMvpnIpv6WithdrawnCase) {
82 final DestinationMvpnIpv6WithdrawnCase reach
83 = (DestinationMvpnIpv6WithdrawnCase) withdrawnRoutes.getDestinationType();
84 Ipv6NlriHandler.serializeNlri(reach.getDestinationMvpn().getMvpnDestination(),