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
8 package org.opendaylight.protocol.bgp.mvpn.impl;
10 import static com.google.common.base.Verify.verify;
12 import io.netty.buffer.ByteBuf;
13 import io.netty.buffer.Unpooled;
14 import java.util.Collection;
15 import java.util.Collections;
16 import java.util.List;
17 import java.util.Optional;
18 import java.util.stream.Collectors;
19 import org.opendaylight.mdsal.binding.dom.codec.api.BindingNormalizedNodeSerializer;
20 import org.opendaylight.protocol.bgp.mvpn.impl.nlri.Ipv4NlriHandler;
21 import org.opendaylight.protocol.bgp.parser.spi.PathIdUtil;
22 import org.opendaylight.protocol.util.ByteArray;
23 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev180329.destination.DestinationType;
24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.mvpn.ipv4.rev180417.MvpnDestination;
25 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.mvpn.ipv4.rev180417.bgp.rib.rib.loc.rib.tables.routes.MvpnRoutesIpv4Case;
26 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.mvpn.ipv4.rev180417.mvpn.destination.MvpnDestinationBuilder;
27 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.mvpn.ipv4.rev180417.mvpn.routes.ipv4.MvpnRoutesIpv4;
28 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.mvpn.ipv4.rev180417.mvpn.routes.ipv4.MvpnRoutesIpv4Builder;
29 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.mvpn.ipv4.rev180417.update.attributes.mp.reach.nlri.advertized.routes.destination.type.DestinationMvpnIpv4AdvertizedCaseBuilder;
30 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.mvpn.ipv4.rev180417.update.attributes.mp.reach.nlri.advertized.routes.destination.type.destination.mvpn.ipv4.advertized._case.DestinationMvpn;
31 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.mvpn.ipv4.rev180417.update.attributes.mp.reach.nlri.advertized.routes.destination.type.destination.mvpn.ipv4.advertized._case.DestinationMvpnBuilder;
32 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.mvpn.ipv4.rev180417.update.attributes.mp.unreach.nlri.withdrawn.routes.destination.type.DestinationMvpnIpv4WithdrawnCaseBuilder;
33 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.mvpn.rev200120.mvpn.routes.MvpnRoute;
34 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev180329.rib.tables.Routes;
35 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev200120.Ipv4AddressFamily;
36 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifierWithPredicates;
37 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.PathArgument;
38 import org.opendaylight.yangtools.yang.data.api.schema.DataContainerChild;
39 import org.opendaylight.yangtools.yang.data.api.schema.DataContainerNode;
40 import org.opendaylight.yangtools.yang.data.api.schema.MapEntryNode;
41 import org.opendaylight.yangtools.yang.data.api.schema.UnkeyedListEntryNode;
44 * Ipv4 Mvpn RIBSupport.
46 * @author Claudio D. Gasparini
48 final class MvpnIpv4RIBSupport extends AbstractMvpnRIBSupport<MvpnRoutesIpv4Case, MvpnRoutesIpv4> {
49 private static final MvpnRoutesIpv4 EMPTY_CONTAINER
50 = new MvpnRoutesIpv4Builder().setMvpnRoute(Collections.emptyList()).build();
51 private static MvpnIpv4RIBSupport SINGLETON;
53 private MvpnIpv4RIBSupport(final BindingNormalizedNodeSerializer mappingService) {
55 MvpnRoutesIpv4Case.class,
57 Ipv4AddressFamily.class,
58 DestinationMvpn.QNAME,
59 MvpnDestination.QNAME);
62 static synchronized MvpnIpv4RIBSupport getInstance(final BindingNormalizedNodeSerializer mappingService) {
63 if (SINGLETON == null) {
64 SINGLETON = new MvpnIpv4RIBSupport(mappingService);
69 private List<org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.mvpn.ipv4.rev180417.mvpn
70 .destination.MvpnDestination> extractRoutes(final Collection<MapEntryNode> routes) {
71 return routes.stream().map(this::extractDestinations).collect(Collectors.toList());
74 private org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.mvpn.ipv4.rev180417.mvpn
75 .destination.MvpnDestination extractDestinations(final DataContainerNode<? extends PathArgument> mvpnDest) {
76 return new MvpnDestinationBuilder()
77 .setMvpnChoice(extractMvpnChoice(mvpnDest))
78 .setPathId(PathIdUtil.buildPathId(mvpnDest, routePathIdNid()))
83 protected DestinationType buildDestination(final Collection<MapEntryNode> routes) {
84 return new DestinationMvpnIpv4AdvertizedCaseBuilder().setDestinationMvpn(
85 new DestinationMvpnBuilder().setMvpnDestination(extractRoutes(routes)).build()).build();
89 protected DestinationType buildWithdrawnDestination(final Collection<MapEntryNode> routes) {
90 return new DestinationMvpnIpv4WithdrawnCaseBuilder().setDestinationMvpn(
91 new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.mvpn.ipv4.rev180417.update
92 .attributes.mp.unreach.nlri.withdrawn.routes.destination.type.destination.mvpn.ipv4.withdrawn
93 ._case.DestinationMvpnBuilder().setMvpnDestination(extractRoutes(routes)).build()).build();
97 public MvpnRoutesIpv4 emptyRoutesContainer() {
98 return EMPTY_CONTAINER;
102 public NodeIdentifierWithPredicates createRouteKey(final UnkeyedListEntryNode mvpn) {
103 final ByteBuf buffer = Unpooled.buffer();
104 final org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.mvpn.ipv4.rev180417.mvpn.destination
105 .MvpnDestination dest = extractDestinations(mvpn);
106 Ipv4NlriHandler.serializeNlri(Collections.singletonList(dest), buffer);
107 final Optional<DataContainerChild<? extends PathArgument, ?>> maybePathIdLeaf =
108 mvpn.getChild(routePathIdNid());
109 return PathIdUtil.createNidKey(routeQName(), routeKeyTemplate(),
110 ByteArray.encodeBase64(buffer), maybePathIdLeaf);
114 public List<MvpnRoute> extractAdjRibInRoutes(final Routes routes) {
115 verify(routes instanceof org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.mvpn.ipv4
116 .rev180417.bgp.rib.rib.peer.adj.rib.in.tables.routes.MvpnRoutesIpv4Case, "Unrecognized routes %s", routes);
117 return ((org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.mvpn.ipv4.rev180417
118 .bgp.rib.rib.peer.adj.rib.in.tables.routes.MvpnRoutesIpv4Case) routes).getMvpnRoutesIpv4()