2 * Copyright (c) 2016 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.impl;
10 import com.google.common.collect.ImmutableCollection;
11 import com.google.common.collect.ImmutableSet;
12 import io.netty.buffer.ByteBuf;
13 import io.netty.buffer.Unpooled;
14 import java.util.Collection;
15 import java.util.List;
16 import java.util.Optional;
17 import java.util.stream.Collectors;
18 import org.opendaylight.controller.md.sal.dom.api.DOMDataWriteTransaction;
19 import org.opendaylight.protocol.bgp.linkstate.impl.nlri.LinkstateNlriParser;
20 import org.opendaylight.protocol.bgp.linkstate.spi.pojo.SimpleNlriTypeRegistry;
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.rev171207.LinkstateAddressFamily;
24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev171207.LinkstateSubsequentAddressFamily;
25 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev171207.bgp.rib.rib.loc.rib.tables.routes.LinkstateRoutesCase;
26 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev171207.bgp.rib.rib.peer.effective.rib.in.tables.routes.LinkstateRoutesCaseBuilder;
27 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev171207.linkstate.destination.CLinkstateDestination;
28 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev171207.linkstate.routes.LinkstateRoutes;
29 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev171207.linkstate.routes.LinkstateRoutesBuilder;
30 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev171207.linkstate.routes.linkstate.routes.LinkstateRoute;
31 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev171207.linkstate.routes.linkstate.routes.LinkstateRouteBuilder;
32 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev171207.linkstate.routes.linkstate.routes.LinkstateRouteKey;
33 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev171207.update.attributes.mp.reach.nlri.advertized.routes.destination.type.DestinationLinkstateCaseBuilder;
34 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev171207.update.attributes.mp.reach.nlri.advertized.routes.destination.type.destination.linkstate._case.DestinationLinkstate;
35 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev171207.update.attributes.mp.reach.nlri.advertized.routes.destination.type.destination.linkstate._case.DestinationLinkstateBuilder;
36 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev171207.path.attributes.Attributes;
37 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev171207.destination.DestinationType;
38 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev171207.rib.tables.Routes;
39 import org.opendaylight.yangtools.yang.binding.DataObject;
40 import org.opendaylight.yangtools.yang.common.QName;
41 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
42 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifier;
43 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifierWithPredicates;
44 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.PathArgument;
45 import org.opendaylight.yangtools.yang.data.api.schema.ContainerNode;
46 import org.opendaylight.yangtools.yang.data.api.schema.DataContainerChild;
47 import org.opendaylight.yangtools.yang.data.api.schema.MapEntryNode;
48 import org.opendaylight.yangtools.yang.data.api.schema.UnkeyedListEntryNode;
49 import org.opendaylight.yangtools.yang.data.api.schema.UnkeyedListNode;
50 import org.slf4j.Logger;
51 import org.slf4j.LoggerFactory;
53 public final class LinkstateRIBSupport extends AbstractRIBSupport<LinkstateRoute, LinkstateRouteKey> {
54 private static final Logger LOG = LoggerFactory.getLogger(LinkstateRIBSupport.class);
55 private static final QName ROUTE_KEY_QNAME = QName.create(LinkstateRoute.QNAME, ROUTE_KEY).intern();
56 private static final LinkstateRIBSupport SINGLETON = new LinkstateRIBSupport();
57 private final NodeIdentifier route = new NodeIdentifier(LinkstateRoute.QNAME);
58 private final NodeIdentifier nlriRoutesList = new NodeIdentifier(CLinkstateDestination.QNAME);
60 private LinkstateRIBSupport() {
61 super(LinkstateRoutesCase.class, LinkstateRoutes.class, LinkstateRoute.class, LinkstateAddressFamily.class,
62 LinkstateSubsequentAddressFamily.class, DestinationLinkstate.QNAME);
65 public static LinkstateRIBSupport getInstance() {
69 private static NodeIdentifierWithPredicates createRouteKey(final UnkeyedListEntryNode linkstate) {
70 final ByteBuf buffer = Unpooled.buffer();
71 final CLinkstateDestination cLinkstateDestination = LinkstateNlriParser.extractLinkstateDestination(linkstate);
72 SimpleNlriTypeRegistry.getInstance().serializeNlriType(cLinkstateDestination, buffer);
74 return new NodeIdentifierWithPredicates(LinkstateRoute.QNAME, ROUTE_KEY_QNAME, ByteArray.readAllBytes(buffer));
77 private static List<CLinkstateDestination> extractRoutes(final Collection<MapEntryNode> routes) {
78 return routes.stream().map(LinkstateNlriParser::extractLinkstateDestination).collect(Collectors.toList());
82 public ImmutableCollection<Class<? extends DataObject>> cacheableAttributeObjects() {
83 return ImmutableSet.of();
87 public ImmutableCollection<Class<? extends DataObject>> cacheableNlriObjects() {
88 return ImmutableSet.of();
92 public boolean isComplexRoute() {
97 protected void processDestination(final DOMDataWriteTransaction tx, final YangInstanceIdentifier routesPath,
98 final ContainerNode destination, final ContainerNode attributes, final ApplyRoute function) {
99 if (destination != null) {
100 final Optional<DataContainerChild<? extends PathArgument, ?>> maybeRoutes
101 = destination.getChild(this.nlriRoutesList);
102 processRoute(maybeRoutes, routesPath, attributes, function, tx);
106 private void processRoute(final Optional<DataContainerChild<? extends PathArgument, ?>> maybeRoutes,
107 final YangInstanceIdentifier routesPath,
108 final ContainerNode attributes, final ApplyRoute function, final DOMDataWriteTransaction tx) {
109 if (maybeRoutes.isPresent()) {
110 final DataContainerChild<? extends PathArgument, ?> routes = maybeRoutes.get();
111 if (routes instanceof UnkeyedListNode) {
112 final YangInstanceIdentifier base = routesPath.node(routesContainerIdentifier()).node(this.route);
113 for (final UnkeyedListEntryNode e : ((UnkeyedListNode) routes).getValue()) {
114 final NodeIdentifierWithPredicates routeKey = createRouteKey(e);
115 function.apply(tx, base, routeKey, e, attributes);
118 LOG.warn("Routes {} are not a map", routes);
124 protected DestinationType buildDestination(final Collection<MapEntryNode> routes) {
125 return new DestinationLinkstateCaseBuilder().setDestinationLinkstate(
126 new DestinationLinkstateBuilder().setCLinkstateDestination(extractRoutes(routes)).build()).build();
130 protected DestinationType buildWithdrawnDestination(final Collection<MapEntryNode> routes) {
131 return new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev171207.update
132 .attributes.mp.unreach.nlri.withdrawn.routes.destination.type.DestinationLinkstateCaseBuilder()
133 .setDestinationLinkstate(new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp
134 .linkstate.rev171207.update.attributes.mp.unreach.nlri.withdrawn.routes.destination.type
135 .destination.linkstate._case.DestinationLinkstateBuilder()
136 .setCLinkstateDestination(extractRoutes(routes)).build()).build();
140 public LinkstateRoute createRoute(final LinkstateRoute route, final LinkstateRouteKey routeKey,
141 final long pathId, final Attributes attributes) {
142 final LinkstateRouteBuilder builder;
144 builder = new LinkstateRouteBuilder(route);
146 builder = new LinkstateRouteBuilder();
148 return builder.setRouteKey(routeKey.getRouteKey()).setAttributes(attributes).build();
152 public Routes emptyRoutesContainer() {
153 return new LinkstateRoutesCaseBuilder().setLinkstateRoutes(new LinkstateRoutesBuilder().build()).build();