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.evpn.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.Collections;
16 import java.util.List;
17 import java.util.Optional;
18 import java.util.stream.Collectors;
19 import org.opendaylight.controller.md.sal.dom.api.DOMDataWriteTransaction;
20 import org.opendaylight.protocol.bgp.evpn.impl.nlri.EvpnNlriParser;
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.evpn.rev171213.EvpnSubsequentAddressFamily;
24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.evpn.rev171213.L2vpnAddressFamily;
25 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.evpn.rev171213.bgp.rib.rib.loc.rib.tables.routes.EvpnRoutesCase;
26 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.evpn.rev171213.bgp.rib.rib.peer.effective.rib.in.tables.routes.EvpnRoutesCaseBuilder;
27 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.evpn.rev171213.evpn.destination.EvpnDestination;
28 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.evpn.rev171213.evpn.routes.EvpnRoutes;
29 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.evpn.rev171213.evpn.routes.EvpnRoutesBuilder;
30 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.evpn.rev171213.evpn.routes.evpn.routes.EvpnRoute;
31 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.evpn.rev171213.evpn.routes.evpn.routes.EvpnRouteBuilder;
32 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.evpn.rev171213.evpn.routes.evpn.routes.EvpnRouteKey;
33 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.evpn.rev171213.update.attributes.mp.reach.nlri.advertized.routes.destination.type.destination.evpn._case.DestinationEvpn;
34 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.evpn.rev171213.update.attributes.mp.unreach.nlri.withdrawn.routes.destination.type.DestinationEvpnCaseBuilder;
35 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.evpn.rev171213.update.attributes.mp.unreach.nlri.withdrawn.routes.destination.type.destination.evpn._case.DestinationEvpnBuilder;
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 final class EvpnRibSupport extends AbstractRIBSupport<EvpnRoute, EvpnRouteKey> {
54 private static final EvpnRibSupport SINGLETON = new EvpnRibSupport();
55 private static final Logger LOG = LoggerFactory.getLogger(EvpnRibSupport.class);
56 private static final QName ROUTE_KEY_QNAME = QName.create(EvpnRoute.QNAME, ROUTE_KEY).intern();
57 private static final NodeIdentifier NLRI_ROUTES_LIST = NodeIdentifier.create(EvpnDestination.QNAME);
59 private EvpnRibSupport() {
60 super(EvpnRoutesCase.class, EvpnRoutes.class, EvpnRoute.class,
61 L2vpnAddressFamily.class, EvpnSubsequentAddressFamily.class, DestinationEvpn.QNAME);
64 static EvpnRibSupport getInstance() {
69 public ImmutableCollection<Class<? extends DataObject>> cacheableAttributeObjects() {
70 return ImmutableSet.of();
74 public ImmutableCollection<Class<? extends DataObject>> cacheableNlriObjects() {
75 return ImmutableSet.of();
79 public boolean isComplexRoute() {
84 protected DestinationType buildDestination(final Collection<MapEntryNode> routes) {
85 return new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.evpn.rev171213.update
86 .attributes.mp.reach.nlri.advertized.routes.destination.type.DestinationEvpnCaseBuilder()
87 .setDestinationEvpn(new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.evpn
88 .rev171213.update.attributes.mp.reach.nlri.advertized.routes.destination.type.destination
89 .evpn._case.DestinationEvpnBuilder().setEvpnDestination(extractRoutes(routes)).build()).build();
93 protected DestinationType buildWithdrawnDestination(final Collection<MapEntryNode> routes) {
94 return new DestinationEvpnCaseBuilder().setDestinationEvpn(new DestinationEvpnBuilder()
95 .setEvpnDestination(extractRoutes(routes)).build()).build();
98 private static List<EvpnDestination> extractRoutes(final Collection<MapEntryNode> routes) {
99 return routes.stream().map(EvpnNlriParser::extractEvpnDestination).collect(Collectors.toList());
103 protected void processDestination(final DOMDataWriteTransaction tx, final YangInstanceIdentifier routesPath,
104 final ContainerNode destination, final ContainerNode attributes, final ApplyRoute function) {
105 if (destination != null) {
106 final Optional<DataContainerChild<? extends PathArgument, ?>> maybeRoutes = destination
107 .getChild(NLRI_ROUTES_LIST);
108 if (maybeRoutes.isPresent()) {
109 final DataContainerChild<? extends PathArgument, ?> routes = maybeRoutes.get();
110 if (routes instanceof UnkeyedListNode) {
111 final YangInstanceIdentifier base = routesPath.node(routesContainerIdentifier()).node(routeNid());
112 for (final UnkeyedListEntryNode e : ((UnkeyedListNode) routes).getValue()) {
113 final NodeIdentifierWithPredicates routeKey = createRouteKey(e);
114 function.apply(tx, base, routeKey, e, attributes);
117 LOG.warn("Routes {} are not a map", routes);
123 private NodeIdentifierWithPredicates createRouteKey(final UnkeyedListEntryNode evpn) {
124 final ByteBuf buffer = Unpooled.buffer();
125 final EvpnDestination dest = EvpnNlriParser.extractRouteKeyDestination(evpn);
126 EvpnNlriParser.serializeNlri(Collections.singletonList(dest), buffer);
127 return new NodeIdentifierWithPredicates(routeQName(), ROUTE_KEY_QNAME, ByteArray.encodeBase64(buffer));
131 public EvpnRoute createRoute(final EvpnRoute route, final EvpnRouteKey routeKey, final long pathId,
132 final Attributes attributes) {
133 final EvpnRouteBuilder builder;
135 builder = new EvpnRouteBuilder(route);
137 builder = new EvpnRouteBuilder();
139 return builder.setRouteKey(routeKey.getRouteKey()).setAttributes(attributes).build();
143 public Routes emptyRoutesContainer() {
144 return new EvpnRoutesCaseBuilder().setEvpnRoutes(new EvpnRoutesBuilder().build()).build();