2 * Copyright (c) 2013 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.MoreObjects.ToStringHelper;
11 import com.google.common.base.Preconditions;
12 import com.google.common.collect.Lists;
13 import io.netty.buffer.ByteBuf;
14 import io.netty.buffer.Unpooled;
15 import java.util.List;
16 import org.opendaylight.protocol.bgp.linkstate.nlri.LinkstateNlriParser;
17 import org.opendaylight.protocol.bgp.parser.BGPParsingException;
18 import org.opendaylight.protocol.bgp.rib.spi.AbstractAdjRIBs;
19 import org.opendaylight.protocol.bgp.rib.spi.AdjRIBsTransaction;
20 import org.opendaylight.protocol.bgp.rib.spi.Peer;
21 import org.opendaylight.protocol.util.ByteArray;
22 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.LinkstateDestination;
23 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.linkstate.ObjectType;
24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.linkstate.destination.CLinkstateDestination;
25 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.linkstate.destination.CLinkstateDestinationBuilder;
26 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.linkstate.object.type.LinkCase;
27 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.linkstate.object.type.NodeCase;
28 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.linkstate.object.type.PrefixCase;
29 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.linkstate.path.attribute.LinkStateAttribute;
30 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.linkstate.path.attribute.link.state.attribute.LinkAttributesCase;
31 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.linkstate.path.attribute.link.state.attribute.LinkAttributesCaseBuilder;
32 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.linkstate.path.attribute.link.state.attribute.NodeAttributesCase;
33 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.linkstate.path.attribute.link.state.attribute.NodeAttributesCaseBuilder;
34 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.linkstate.path.attribute.link.state.attribute.PrefixAttributesCase;
35 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.linkstate.path.attribute.link.state.attribute.PrefixAttributesCaseBuilder;
36 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.linkstate.path.attribute.link.state.attribute.link.attributes._case.LinkAttributesBuilder;
37 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.linkstate.path.attribute.link.state.attribute.node.attributes._case.NodeAttributesBuilder;
38 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.linkstate.path.attribute.link.state.attribute.prefix.attributes._case.PrefixAttributesBuilder;
39 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.linkstate.routes.LinkstateRoutes;
40 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.linkstate.routes.linkstate.routes.LinkstateRoute;
41 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.linkstate.routes.linkstate.routes.LinkstateRouteBuilder;
42 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.linkstate.routes.linkstate.routes.LinkstateRouteKey;
43 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.linkstate.routes.linkstate.routes.linkstate.route.Attributes1;
44 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.linkstate.routes.linkstate.routes.linkstate.route.Attributes1Builder;
45 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.update.attributes.mp.reach.nlri.advertized.routes.destination.type.DestinationLinkstateCase;
46 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;
47 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;
48 import 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.DestinationLinkstate;
49 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.path.attributes.Attributes;
50 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.path.attributes.AttributesBuilder;
51 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.update.attributes.MpReachNlri;
52 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.update.attributes.MpReachNlriBuilder;
53 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.update.attributes.MpUnreachNlri;
54 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.update.attributes.MpUnreachNlriBuilder;
55 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.update.attributes.mp.reach.nlri.AdvertizedRoutes;
56 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.update.attributes.mp.reach.nlri.AdvertizedRoutesBuilder;
57 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.update.attributes.mp.unreach.nlri.WithdrawnRoutes;
58 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.update.attributes.mp.unreach.nlri.WithdrawnRoutesBuilder;
59 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.rib.Tables;
60 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.rib.TablesKey;
61 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
62 import org.opendaylight.yangtools.yang.binding.KeyedInstanceIdentifier;
63 import org.slf4j.Logger;
64 import org.slf4j.LoggerFactory;
66 final class LinkstateAdjRIBsIn extends AbstractAdjRIBs<CLinkstateDestination, LinkstateRoute, LinkstateRouteKey> {
68 private abstract static class LinkstateRIBEntryData<A extends LinkStateAttribute> extends RIBEntryData<CLinkstateDestination, LinkstateRoute, LinkstateRouteKey> {
69 private final A lsattr;
71 protected LinkstateRIBEntryData(final Peer peer, final Attributes attributes, final A lsattr) {
72 super(peer, attributes);
76 protected abstract LinkStateAttribute createAttributes(A lsattr);
79 protected final LinkstateRoute getDataObject(final CLinkstateDestination key, final LinkstateRouteKey id) {
80 final LinkstateRouteBuilder builder = new LinkstateRouteBuilder();
83 builder.setIdentifier(key.getIdentifier());
84 builder.setProtocolId(key.getProtocolId());
85 builder.setDistinguisher(key.getDistinguisher());
86 builder.setAttributes(new AttributesBuilder(getAttributes()).addAugmentation(Attributes1.class,
87 new Attributes1Builder().setLinkStateAttribute(Preconditions.checkNotNull(createAttributes(this.lsattr))).build()).build());
88 builder.setObjectType(Preconditions.checkNotNull(key.getObjectType()));
90 return builder.build();
94 protected ToStringHelper addToStringAttributes(final ToStringHelper toStringHelper) {
95 return toStringHelper.add("lsattr", this.lsattr);
99 private static final Logger LOG = LoggerFactory.getLogger(LinkstateAdjRIBsIn.class);
100 private final InstanceIdentifier<LinkstateRoutes> routesBasePath;
102 LinkstateAdjRIBsIn(final KeyedInstanceIdentifier<Tables, TablesKey> basePath) {
104 this.routesBasePath = basePath.builder().child((Class)LinkstateRoutes.class).build();
109 public KeyedInstanceIdentifier<LinkstateRoute, LinkstateRouteKey> identifierForKey(final InstanceIdentifier<Tables> basePath, final CLinkstateDestination key) {
110 final ByteBuf keyBuf = Unpooled.buffer();
111 LinkstateNlriParser.serializeNlri(key, keyBuf);
112 return basePath.child((Class)LinkstateRoutes.class).child(LinkstateRoute.class,
113 new LinkstateRouteKey(ByteArray.readAllBytes(keyBuf)));
117 public KeyedInstanceIdentifier<LinkstateRoute, LinkstateRouteKey> identifierForKey(final CLinkstateDestination key) {
118 final ByteBuf keyBuf = Unpooled.buffer();
119 LinkstateNlriParser.serializeNlri(key, keyBuf);
120 return this.routesBasePath.child(LinkstateRoute.class,
121 new LinkstateRouteKey(ByteArray.readAllBytes(keyBuf)));
124 private static LinkstateRIBEntryData<PrefixAttributesCase> createPrefixData(final Peer peer,
125 final Attributes attributes, final LinkStateAttribute lsattr) {
126 return new LinkstateRIBEntryData<PrefixAttributesCase>(peer, attributes, (PrefixAttributesCase) lsattr) {
128 protected LinkStateAttribute createAttributes(final PrefixAttributesCase lsattr) {
129 final PrefixAttributesCaseBuilder b = new PrefixAttributesCaseBuilder();
130 if (lsattr != null && lsattr.getPrefixAttributes() != null) {
131 b.setPrefixAttributes(new PrefixAttributesBuilder(lsattr.getPrefixAttributes()).build());
138 private static LinkstateRIBEntryData<LinkAttributesCase> createLinkData(final Peer peer,
139 final Attributes attributes, final LinkStateAttribute lsattr) {
140 return new LinkstateRIBEntryData<LinkAttributesCase>(peer, attributes, (LinkAttributesCase) lsattr) {
142 protected LinkStateAttribute createAttributes(final LinkAttributesCase lsattr) {
143 final LinkAttributesCaseBuilder b = new LinkAttributesCaseBuilder();
144 if (lsattr != null && lsattr.getLinkAttributes() != null) {
145 b.setLinkAttributes(new LinkAttributesBuilder(lsattr.getLinkAttributes()).build());
152 private static LinkstateRIBEntryData<NodeAttributesCase> createNodeData(final Peer peer,
153 final Attributes attributes, final LinkStateAttribute lsattr) {
154 return new LinkstateRIBEntryData<NodeAttributesCase>(peer, attributes, (NodeAttributesCase) lsattr) {
156 protected LinkStateAttribute createAttributes(final NodeAttributesCase lsattr) {
157 final NodeAttributesCaseBuilder b = new NodeAttributesCaseBuilder();
158 if (lsattr != null && lsattr.getNodeAttributes() != null) {
159 b.setNodeAttributes(new NodeAttributesBuilder(lsattr.getNodeAttributes()).build());
167 public void addRoutes(final AdjRIBsTransaction trans, final Peer peer, final MpReachNlri nlri,
168 final Attributes attributes) {
169 LOG.debug("Passed nlri {}", nlri);
170 final LinkstateDestination keys = ((DestinationLinkstateCase) nlri.getAdvertizedRoutes().getDestinationType()).getDestinationLinkstate();
172 LOG.debug("No destinations present in advertized routes");
175 LOG.debug("Iterating over route destinations {}", keys);
176 for (final CLinkstateDestination key : keys.getCLinkstateDestination()) {
177 LOG.debug("Processing route key {}", key);
178 LinkStateAttribute lsattr = null;
179 final Attributes1 pa = attributes.getAugmentation(Attributes1.class);
181 lsattr = pa.getLinkStateAttribute();
183 RIBEntryData<CLinkstateDestination, LinkstateRoute, LinkstateRouteKey> data = null;
184 final ObjectType ot = key.getObjectType();
185 if (ot instanceof LinkCase) {
186 data = createLinkData(peer, attributes, lsattr);
187 } else if (ot instanceof NodeCase) {
188 data = createNodeData(peer, attributes, lsattr);
189 } else if (ot instanceof PrefixCase) {
190 data = createPrefixData(peer, attributes, lsattr);
192 super.add(trans, peer, key, data);
197 public void removeRoutes(final AdjRIBsTransaction trans, final Peer peer, final MpUnreachNlri nlri) {
198 final DestinationLinkstate keys = ((org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.update.attributes.mp.unreach.nlri.withdrawn.routes.destination.type.DestinationLinkstateCase) nlri.getWithdrawnRoutes().getDestinationType()).getDestinationLinkstate();
200 for (final CLinkstateDestination key : keys.getCLinkstateDestination()) {
201 super.remove(trans, peer, key);
206 public void addAdvertisement(final MpReachNlriBuilder builder, final LinkstateRoute data) {
207 final CLinkstateDestinationBuilder nlri = new CLinkstateDestinationBuilder();
208 nlri.setProtocolId(data.getProtocolId());
209 nlri.setIdentifier(data.getIdentifier());
210 final Attributes a = data.getAttributes();
211 if (a != null && a.getCNextHop() != null) {
212 builder.setCNextHop(a.getCNextHop());
214 final ObjectType type = data.getObjectType();
215 nlri.setObjectType(type);
216 final AdvertizedRoutes ar = builder.getAdvertizedRoutes();
218 builder.setAdvertizedRoutes(new AdvertizedRoutesBuilder().setDestinationType(
219 new DestinationLinkstateCaseBuilder().setDestinationLinkstate(new DestinationLinkstateBuilder()
220 .setCLinkstateDestination(Lists.newArrayList(nlri.build())).build()).build()).build());
222 ((DestinationLinkstateCase) ar.getDestinationType()).getDestinationLinkstate().getCLinkstateDestination().add(nlri.build());
227 public void addWithdrawal(final MpUnreachNlriBuilder builder, final CLinkstateDestination id) {
228 final WithdrawnRoutes wr = builder.getWithdrawnRoutes();
230 builder.setWithdrawnRoutes(new WithdrawnRoutesBuilder().setDestinationType(
231 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(
232 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()
233 .setCLinkstateDestination(Lists.newArrayList(id)).build()).build()).build());
235 ((org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.update.attributes.mp.unreach.nlri.withdrawn.routes.destination.type.DestinationLinkstateCase) wr.getDestinationType())
236 .getDestinationLinkstate().getCLinkstateDestination().add(id);
240 @SuppressWarnings("unchecked")
242 public KeyedInstanceIdentifier<LinkstateRoute, LinkstateRouteKey> routeIdentifier(final InstanceIdentifier<?> id) {
243 return (KeyedInstanceIdentifier<LinkstateRoute, LinkstateRouteKey>)id.firstIdentifierOf(LinkstateRoute.class);
247 public CLinkstateDestination keyForIdentifier(final KeyedInstanceIdentifier<LinkstateRoute, LinkstateRouteKey> id) {
248 final LinkstateRouteKey route = id.getKey();
249 List<CLinkstateDestination> dests = null;
251 dests = LinkstateNlriParser.parseNlri(Unpooled.wrappedBuffer(route.getRouteKey()), false);
252 } catch (final BGPParsingException e) {
253 LOG.warn("Unable to parse LinkstateRoute Key {}", route, e);
255 if (dests == null || dests.size() != 1) {
256 LOG.warn("Null or more than one LinkstateRoute Key was parsed");