2 * Copyright (c) 2015 Cisco Systems, Inc. and others. 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.rib.impl;
10 import com.google.common.collect.ImmutableCollection;
11 import com.google.common.collect.ImmutableSet;
12 import java.util.ArrayList;
13 import java.util.Collection;
14 import java.util.List;
15 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Ipv6Prefix;
16 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev150305.bgp.rib.rib.loc.rib.tables.routes.Ipv6RoutesCase;
17 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev150305.ipv6.prefixes.DestinationIpv6;
18 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev150305.ipv6.prefixes.DestinationIpv6Builder;
19 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev150305.ipv6.prefixes.destination.ipv6.Ipv6Prefixes;
20 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev150305.ipv6.prefixes.destination.ipv6.Ipv6PrefixesBuilder;
21 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev150305.ipv6.routes.Ipv6Routes;
22 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev150305.ipv6.routes.ipv6.routes.Ipv6Route;
23 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev150305.update.attributes.mp.reach.nlri.advertized.routes.destination.type.DestinationIpv6CaseBuilder;
24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.update.attributes.MpReachNlri;
25 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.update.attributes.MpReachNlriBuilder;
26 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.update.attributes.MpUnreachNlri;
27 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.update.attributes.MpUnreachNlriBuilder;
28 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.update.attributes.mp.reach.nlri.AdvertizedRoutesBuilder;
29 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.update.attributes.mp.unreach.nlri.WithdrawnRoutesBuilder;
30 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.rib.tables.Routes;
31 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.Ipv6AddressFamily;
32 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.UnicastSubsequentAddressFamily;
33 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.next.hop.CNextHop;
34 import org.opendaylight.yangtools.yang.binding.DataObject;
35 import org.opendaylight.yangtools.yang.common.QName;
36 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifier;
37 import org.opendaylight.yangtools.yang.data.api.schema.ChoiceNode;
38 import org.opendaylight.yangtools.yang.data.api.schema.MapEntryNode;
39 import org.opendaylight.yangtools.yang.data.impl.schema.Builders;
40 import org.opendaylight.yangtools.yang.data.impl.schema.ImmutableNodes;
43 * Class supporting IPv6 unicast RIBs.
45 final class IPv6RIBSupport extends AbstractIPRIBSupport {
46 private static final QName PREFIX_QNAME = QName.create(Ipv6Route.QNAME, "prefix").intern();
47 private static final IPv6RIBSupport SINGLETON = new IPv6RIBSupport();
48 private static final ImmutableCollection<Class<? extends DataObject>> CACHEABLE_NLRI_OBJECTS =
49 ImmutableSet.<Class<? extends DataObject>>of(org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev150305.Ipv6Prefix.class);
50 private final ChoiceNode emptyRoutes = Builders.choiceBuilder()
51 .withNodeIdentifier(new NodeIdentifier(Routes.QNAME))
52 .addChild(Builders.containerBuilder()
53 .withNodeIdentifier(new NodeIdentifier(Ipv6Routes.QNAME))
54 .withChild(ImmutableNodes.mapNodeBuilder(Ipv6Route.QNAME).build()).build()).build();
55 private final NodeIdentifier destination = new NodeIdentifier(DestinationIpv6.QNAME);
56 private final NodeIdentifier route = new NodeIdentifier(Ipv6Route.QNAME);
57 private final NodeIdentifier nlriRoutesList = new NodeIdentifier(Ipv6Prefixes.QNAME);
58 private final NodeIdentifier routeKeyLeaf = new NodeIdentifier(PREFIX_QNAME);
60 private IPv6RIBSupport() {
61 super(Ipv6RoutesCase.class, Ipv6Routes.class, Ipv6Route.class);
64 static IPv6RIBSupport getInstance() {
69 public ChoiceNode emptyRoutes() {
70 return this.emptyRoutes;
74 protected NodeIdentifier destinationContainerIdentifier() {
75 return this.destination;
79 protected NodeIdentifier routeIdentifier() {
84 protected NodeIdentifier routeKeyLeafIdentifier() {
85 return this.routeKeyLeaf;
89 protected NodeIdentifier nlriRoutesListIdentifier() {
90 return this.nlriRoutesList;
94 protected QName keyLeafQName() {
99 protected QName routeQName() {
100 return Ipv6Route.QNAME;
104 public ImmutableCollection<Class<? extends DataObject>> cacheableNlriObjects() {
105 return CACHEABLE_NLRI_OBJECTS;
108 private List<Ipv6Prefixes> extractPrefixes(final Collection<MapEntryNode> routes) {
109 final List<Ipv6Prefixes> prefs = new ArrayList<>(routes.size());
110 for (final MapEntryNode ipv6Route : routes) {
111 final String prefix = (String) ipv6Route.getChild(this.routeKeyLeaf).get().getValue();
112 prefs.add(new Ipv6PrefixesBuilder().setPrefix(new Ipv6Prefix(prefix)).build());
118 protected MpReachNlri buildReach(final Collection<MapEntryNode> routes, final CNextHop hop) {
119 final MpReachNlriBuilder mb = new MpReachNlriBuilder();
120 mb.setAfi(Ipv6AddressFamily.class);
121 mb.setSafi(UnicastSubsequentAddressFamily.class);
123 mb.setAdvertizedRoutes(new AdvertizedRoutesBuilder().setDestinationType(
124 new DestinationIpv6CaseBuilder().setDestinationIpv6(
125 new DestinationIpv6Builder().setIpv6Prefixes(extractPrefixes(routes)).build()).build()).build());
130 protected MpUnreachNlri buildUnreach(final Collection<MapEntryNode> routes) {
131 final MpUnreachNlriBuilder mb = new MpUnreachNlriBuilder();
132 mb.setAfi(Ipv6AddressFamily.class);
133 mb.setSafi(UnicastSubsequentAddressFamily.class);
134 mb.setWithdrawnRoutes(new WithdrawnRoutesBuilder().setDestinationType(
135 new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev150305.update.attributes.mp.unreach.nlri.withdrawn.routes.destination.type.DestinationIpv6CaseBuilder().setDestinationIpv6(
136 new DestinationIpv6Builder().setIpv6Prefixes(extractPrefixes(routes)).build()).build()).build());