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.inet;
10 import java.util.ArrayList;
11 import java.util.Collection;
12 import java.util.Collections;
13 import java.util.List;
14 import javax.annotation.Nonnull;
15 import org.opendaylight.protocol.bgp.parser.spi.PathIdUtil;
16 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4Prefix;
17 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev171207.bgp.rib.rib.loc.rib.tables.routes.Ipv4RoutesCase;
18 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev171207.ipv4.prefixes.DestinationIpv4;
19 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev171207.ipv4.prefixes.DestinationIpv4Builder;
20 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev171207.ipv4.prefixes.destination.ipv4.Ipv4Prefixes;
21 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev171207.ipv4.prefixes.destination.ipv4.Ipv4PrefixesBuilder;
22 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev171207.ipv4.routes.Ipv4Routes;
23 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev171207.ipv4.routes.ipv4.routes.Ipv4Route;
24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev171207.ipv4.routes.ipv4.routes.Ipv4RouteBuilder;
25 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev171207.ipv4.routes.ipv4.routes.Ipv4RouteKey;
26 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev171207.update.attributes.mp.reach.nlri.advertized.routes.destination.type.DestinationIpv4CaseBuilder;
27 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev171207.Ipv4PrefixAndPathId;
28 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev171207.PathId;
29 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev171207.path.attributes.Attributes;
30 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev171207.destination.DestinationType;
31 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.Ipv4AddressFamily;
32 import org.opendaylight.yangtools.yang.data.api.schema.MapEntryNode;
33 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNodes;
36 * Class supporting IPv4 unicast RIBs.
38 final class IPv4RIBSupport extends AbstractIPRibSupport<org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns
39 .yang.bgp.inet.rev171207.bgp.rib.rib.peer.adj.rib.in.tables.routes.Ipv4RoutesCase,
40 Ipv4Route, Ipv4RouteKey> {
42 private static final IPv4RIBSupport SINGLETON = new IPv4RIBSupport();
44 private IPv4RIBSupport() {
45 super(Ipv4PrefixAndPathId.class, Ipv4AddressFamily.class,
46 Ipv4RoutesCase.class, Ipv4Routes.class, Ipv4Route.class, DestinationIpv4.QNAME, Ipv4Prefixes.QNAME);
49 static IPv4RIBSupport getInstance() {
53 private List<Ipv4Prefixes> extractPrefixes(final Collection<MapEntryNode> routes) {
54 final List<Ipv4Prefixes> prefs = new ArrayList<>(routes.size());
55 for (final MapEntryNode route : routes) {
56 final String prefix = (String) NormalizedNodes.findNode(route, routePrefixIdentifier()).get().getValue();
57 final Ipv4PrefixesBuilder prefixBuilder = new Ipv4PrefixesBuilder().setPrefix(new Ipv4Prefix(prefix));
58 prefixBuilder.setPathId(PathIdUtil.buildPathId(route, routePathIdNid()));
59 prefs.add(prefixBuilder.build());
66 protected DestinationType buildDestination(@Nonnull final Collection<MapEntryNode> routes) {
67 return new DestinationIpv4CaseBuilder().setDestinationIpv4(new DestinationIpv4Builder()
68 .setIpv4Prefixes(extractPrefixes(routes)).build()).build();
73 protected DestinationType buildWithdrawnDestination(@Nonnull final Collection<MapEntryNode> routes) {
74 return new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev171207.update
75 .attributes.mp.unreach.nlri.withdrawn.routes.destination.type.DestinationIpv4CaseBuilder()
76 .setDestinationIpv4(new DestinationIpv4Builder().setIpv4Prefixes(extractPrefixes(routes))
81 public Ipv4RouteKey extractRouteKey(final Ipv4Route route) {
82 return route.getKey();
86 public Ipv4Route createRoute(final Ipv4Route route, final Ipv4RouteKey routeKey, final PathId pathId,
87 final Attributes attributes) {
88 final Ipv4RouteBuilder builder;
90 builder = new Ipv4RouteBuilder(route);
92 builder = new Ipv4RouteBuilder();
94 return builder.setPrefix(routeKey.getPrefix()).setPathId(pathId).setAttributes(attributes).build();
98 public Collection<Ipv4Route> changedRoutes(final org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang
99 .bgp.inet.rev171207.bgp.rib.rib.peer.adj.rib.in.tables.routes.Ipv4RoutesCase routes) {
100 final Ipv4Routes routeCont = routes.getIpv4Routes();
101 if (routeCont == null) {
102 return Collections.emptyList();
104 return routeCont.getIpv4Route();
108 public Ipv4RouteKey createNewRouteKey(final PathId pathId, final Ipv4RouteKey routeKey) {
109 return new Ipv4RouteKey(pathId, routeKey.getPrefix());