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.linkstate;
10 import com.google.common.base.Optional;
11 import com.google.common.collect.ImmutableCollection;
12 import com.google.common.collect.ImmutableSet;
13 import io.netty.buffer.ByteBuf;
14 import io.netty.buffer.Unpooled;
15 import java.util.Collection;
16 import java.util.List;
17 import java.util.stream.Collectors;
18 import javax.annotation.Nonnull;
19 import org.opendaylight.controller.md.sal.dom.api.DOMDataWriteTransaction;
20 import org.opendaylight.protocol.bgp.linkstate.nlri.LinkstateNlriParser;
21 import org.opendaylight.protocol.bgp.rib.spi.AbstractRIBSupport;
22 import org.opendaylight.protocol.util.ByteArray;
23 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.LinkstateAddressFamily;
24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.LinkstateSubsequentAddressFamily;
25 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.bgp.rib.rib.loc.rib.tables.routes.LinkstateRoutesCase;
26 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.linkstate.destination.CLinkstateDestination;
27 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.linkstate.routes.LinkstateRoutes;
28 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.linkstate.routes.linkstate.routes.LinkstateRoute;
29 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.update.attributes.mp.reach.nlri.advertized.routes.destination.type.DestinationLinkstateCaseBuilder;
30 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.update.attributes.mp.reach.nlri.advertized.routes.destination.type.destination.linkstate._case.DestinationLinkstate;
31 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.update.attributes.mp.reach.nlri.advertized.routes.destination.type.destination.linkstate._case.DestinationLinkstateBuilder;
32 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.destination.DestinationType;
33 import org.opendaylight.yangtools.yang.binding.DataObject;
34 import org.opendaylight.yangtools.yang.common.QName;
35 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
36 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifier;
37 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifierWithPredicates;
38 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.PathArgument;
39 import org.opendaylight.yangtools.yang.data.api.schema.ContainerNode;
40 import org.opendaylight.yangtools.yang.data.api.schema.DataContainerChild;
41 import org.opendaylight.yangtools.yang.data.api.schema.MapEntryNode;
42 import org.opendaylight.yangtools.yang.data.api.schema.UnkeyedListEntryNode;
43 import org.opendaylight.yangtools.yang.data.api.schema.UnkeyedListNode;
44 import org.slf4j.Logger;
45 import org.slf4j.LoggerFactory;
47 final class LinkstateRIBSupport extends AbstractRIBSupport {
48 private static final Logger LOG = LoggerFactory.getLogger(LinkstateRIBSupport.class);
49 private static final QName ROUTE_KEY = QName.create(LinkstateRoute.QNAME, "route-key").intern();
50 private static final LinkstateRIBSupport SINGLETON = new LinkstateRIBSupport();
51 private final NodeIdentifier route = new NodeIdentifier(LinkstateRoute.QNAME);
52 private final NodeIdentifier nlriRoutesList = new NodeIdentifier(CLinkstateDestination.QNAME);
54 private LinkstateRIBSupport() {
55 super(LinkstateRoutesCase.class, LinkstateRoutes.class, LinkstateRoute.class, LinkstateAddressFamily.class, LinkstateSubsequentAddressFamily.class,
56 DestinationLinkstate.QNAME);
59 static LinkstateRIBSupport getInstance() {
64 public ImmutableCollection<Class<? extends DataObject>> cacheableAttributeObjects() {
65 return ImmutableSet.of();
69 public ImmutableCollection<Class<? extends DataObject>> cacheableNlriObjects() {
70 return ImmutableSet.of();
74 public boolean isComplexRoute() {
79 protected void processDestination(final DOMDataWriteTransaction tx, final YangInstanceIdentifier routesPath,
80 final ContainerNode destination, final ContainerNode attributes, final ApplyRoute function) {
81 if (destination != null) {
82 final Optional<DataContainerChild<? extends PathArgument, ?>> maybeRoutes = destination.getChild(this.nlriRoutesList);
83 if (maybeRoutes.isPresent()) {
84 final DataContainerChild<? extends PathArgument, ?> routes = maybeRoutes.get();
85 if (routes instanceof UnkeyedListNode) {
86 final YangInstanceIdentifier base = routesPath.node(routesContainerIdentifier()).node(this.route);
87 for (final UnkeyedListEntryNode e : ((UnkeyedListNode) routes).getValue()) {
88 final NodeIdentifierWithPredicates routeKey = createRouteKey(e);
89 function.apply(tx, base, routeKey, e, attributes);
92 LOG.warn("Routes {} are not a map", routes);
98 private NodeIdentifierWithPredicates createRouteKey(final UnkeyedListEntryNode linkstate) {
99 final ByteBuf buffer = Unpooled.buffer();
100 final CLinkstateDestination cLinkstateDestination = LinkstateNlriParser.extractLinkstateDestination(linkstate);
101 LinkstateNlriParser.serializeNlri(cLinkstateDestination, buffer);
103 return new NodeIdentifierWithPredicates(LinkstateRoute.QNAME, ROUTE_KEY, ByteArray.readAllBytes(buffer));
108 protected DestinationType buildDestination(@Nonnull final Collection<MapEntryNode> routes) {
109 return new DestinationLinkstateCaseBuilder().setDestinationLinkstate(
110 new DestinationLinkstateBuilder().setCLinkstateDestination(extractRoutes(routes)).build()).build();
115 protected DestinationType buildWithdrawnDestination(@Nonnull final Collection<MapEntryNode> routes) {
116 return new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.update.attributes.mp.unreach.nlri.withdrawn.routes.destination.type.DestinationLinkstateCaseBuilder().setDestinationLinkstate(
117 new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.update.attributes.mp.unreach.nlri.withdrawn.routes.destination.type.destination.linkstate._case.DestinationLinkstateBuilder().
118 setCLinkstateDestination(extractRoutes(routes)).build()).build();
121 private List<CLinkstateDestination> extractRoutes(final Collection<MapEntryNode> routes) {
122 return routes.stream().map(LinkstateNlriParser::extractLinkstateDestination).collect(Collectors.toList());