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 io.netty.buffer.ByteBuf;
11 import io.netty.buffer.Unpooled;
12 import java.util.Collection;
13 import java.util.Collections;
14 import java.util.List;
15 import java.util.Optional;
16 import java.util.stream.Collectors;
17 import org.opendaylight.controller.md.sal.dom.api.DOMDataWriteTransaction;
18 import org.opendaylight.mdsal.binding.dom.codec.api.BindingNormalizedNodeSerializer;
19 import org.opendaylight.protocol.bgp.evpn.impl.nlri.EvpnNlriParser;
20 import org.opendaylight.protocol.bgp.parser.spi.PathIdUtil;
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.rev180329.EvpnSubsequentAddressFamily;
24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.evpn.rev180329.L2vpnAddressFamily;
25 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.evpn.rev180329.bgp.rib.rib.loc.rib.tables.routes.EvpnRoutesCase;
26 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.evpn.rev180329.bgp.rib.rib.loc.rib.tables.routes.EvpnRoutesCaseBuilder;
27 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.evpn.rev180329.evpn.destination.EvpnDestination;
28 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.evpn.rev180329.evpn.routes.EvpnRoutes;
29 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.evpn.rev180329.evpn.routes.EvpnRoutesBuilder;
30 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.evpn.rev180329.evpn.routes.evpn.routes.EvpnRoute;
31 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.evpn.rev180329.evpn.routes.evpn.routes.EvpnRouteBuilder;
32 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.evpn.rev180329.evpn.routes.evpn.routes.EvpnRouteKey;
33 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.evpn.rev180329.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.rev180329.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.rev180329.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.rev180329.PathId;
37 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev180329.path.attributes.Attributes;
38 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev180329.destination.DestinationType;
39 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
40 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifier;
41 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifierWithPredicates;
42 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.PathArgument;
43 import org.opendaylight.yangtools.yang.data.api.schema.ContainerNode;
44 import org.opendaylight.yangtools.yang.data.api.schema.DataContainerChild;
45 import org.opendaylight.yangtools.yang.data.api.schema.MapEntryNode;
46 import org.opendaylight.yangtools.yang.data.api.schema.UnkeyedListEntryNode;
47 import org.opendaylight.yangtools.yang.data.api.schema.UnkeyedListNode;
48 import org.slf4j.Logger;
49 import org.slf4j.LoggerFactory;
51 final class EvpnRibSupport extends AbstractRIBSupport<EvpnRoutesCase, EvpnRoutes, EvpnRoute, EvpnRouteKey> {
52 private static final Logger LOG = LoggerFactory.getLogger(EvpnRibSupport.class);
54 private static final NodeIdentifier NLRI_ROUTES_LIST = NodeIdentifier.create(EvpnDestination.QNAME);
55 private static final EvpnRoutes EMPTY_CONTAINER
56 = new EvpnRoutesBuilder().setEvpnRoute(Collections.emptyList()).build();
57 private static final EvpnRoutesCase EMPTY_CASE =
58 new EvpnRoutesCaseBuilder().setEvpnRoutes(EMPTY_CONTAINER).build();
59 private static EvpnRibSupport SINGLETON;
61 private EvpnRibSupport(final BindingNormalizedNodeSerializer mappingService) {
66 L2vpnAddressFamily.class,
67 EvpnSubsequentAddressFamily.class,
68 DestinationEvpn.QNAME);
71 static synchronized EvpnRibSupport getInstance(final BindingNormalizedNodeSerializer mappingService) {
72 if (SINGLETON == null) {
73 SINGLETON = new EvpnRibSupport(mappingService);
79 protected DestinationType buildDestination(final Collection<MapEntryNode> routes) {
80 return new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.evpn.rev180329.update
81 .attributes.mp.reach.nlri.advertized.routes.destination.type.DestinationEvpnCaseBuilder()
82 .setDestinationEvpn(new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.evpn
83 .rev180329.update.attributes.mp.reach.nlri.advertized.routes.destination.type.destination
84 .evpn._case.DestinationEvpnBuilder().setEvpnDestination(extractRoutes(routes)).build()).build();
88 protected DestinationType buildWithdrawnDestination(final Collection<MapEntryNode> routes) {
89 return new DestinationEvpnCaseBuilder().setDestinationEvpn(new DestinationEvpnBuilder()
90 .setEvpnDestination(extractRoutes(routes)).build()).build();
93 private static List<EvpnDestination> extractRoutes(final Collection<MapEntryNode> routes) {
94 return routes.stream().map(EvpnNlriParser::extractEvpnDestination).collect(Collectors.toList());
98 protected void processDestination(final DOMDataWriteTransaction tx, final YangInstanceIdentifier routesPath,
99 final ContainerNode destination, final ContainerNode attributes, final ApplyRoute function) {
100 if (destination != null) {
101 final Optional<DataContainerChild<? extends PathArgument, ?>> maybeRoutes = destination
102 .getChild(NLRI_ROUTES_LIST);
103 if (maybeRoutes.isPresent()) {
104 final DataContainerChild<? extends PathArgument, ?> routes = maybeRoutes.get();
105 if (routes instanceof UnkeyedListNode) {
106 final YangInstanceIdentifier base = routesYangInstanceIdentifier(routesPath);
107 for (final UnkeyedListEntryNode e : ((UnkeyedListNode) routes).getValue()) {
108 final NodeIdentifierWithPredicates routeKey = createRouteKey(e);
109 function.apply(tx, base, routeKey, e, attributes);
112 LOG.warn("Routes {} are not a map", routes);
118 private NodeIdentifierWithPredicates createRouteKey(final UnkeyedListEntryNode evpn) {
119 final ByteBuf buffer = Unpooled.buffer();
120 final EvpnDestination dest = EvpnNlriParser.extractRouteKeyDestination(evpn);
121 EvpnNlriParser.serializeNlri(Collections.singletonList(dest), buffer);
122 final Optional<DataContainerChild<? extends PathArgument, ?>> maybePathIdLeaf =
123 evpn.getChild(routePathIdNid());
124 return PathIdUtil.createNidKey(routeQName(), routeKeyQName(),
125 pathIdQName(), ByteArray.encodeBase64(buffer), maybePathIdLeaf);
129 public EvpnRoute createRoute(final EvpnRoute route, final String routeKey, final long pathId,
130 final Attributes attributes) {
131 final EvpnRouteBuilder builder;
133 builder = new EvpnRouteBuilder(route);
135 builder = new EvpnRouteBuilder();
137 return builder.withKey(createRouteListKey(pathId, routeKey)).setAttributes(attributes).build();
141 public EvpnRoutesCase emptyRoutesCase() {
146 public EvpnRoutes emptyRoutesContainer() {
147 return EMPTY_CONTAINER;
151 public EvpnRouteKey createRouteListKey(final long pathId, final String routeKey) {
152 return new EvpnRouteKey(new PathId(pathId), routeKey);