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.bgpcep.bgp.topology.provider;
10 import static java.util.Objects.requireNonNull;
12 import com.google.common.annotations.VisibleForTesting;
13 import com.google.common.base.Preconditions;
14 import com.google.common.collect.Collections2;
15 import com.google.common.collect.Lists;
16 import java.util.ArrayList;
17 import java.util.HashMap;
18 import java.util.HashSet;
19 import java.util.List;
22 import org.opendaylight.mdsal.binding.api.DataBroker;
23 import org.opendaylight.mdsal.binding.api.ReadWriteTransaction;
24 import org.opendaylight.mdsal.binding.api.WriteTransaction;
25 import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
26 import org.opendaylight.protocol.bgp.rib.RibReference;
27 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.DomainName;
28 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.IpAddress;
29 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.IpPrefix;
30 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev180329.Ipv4InterfaceIdentifier;
31 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev180329.Ipv6InterfaceIdentifier;
32 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev180329.LinkstateAddressFamily;
33 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev180329.LinkstateSubsequentAddressFamily;
34 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev180329.TopologyIdentifier;
35 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev180329.bgp.rib.rib.loc.rib.tables.routes.LinkstateRoutesCase;
36 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev180329.linkstate.ObjectType;
37 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev180329.linkstate.object.type.LinkCase;
38 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev180329.linkstate.object.type.NodeCase;
39 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev180329.linkstate.object.type.PrefixCase;
40 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev180329.linkstate.object.type.link._case.LinkDescriptors;
41 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev180329.linkstate.path.attribute.LinkStateAttribute;
42 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev180329.linkstate.path.attribute.link.state.attribute.LinkAttributesCase;
43 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev180329.linkstate.path.attribute.link.state.attribute.NodeAttributesCase;
44 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev180329.linkstate.path.attribute.link.state.attribute.PrefixAttributesCase;
45 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev180329.linkstate.path.attribute.link.state.attribute.link.attributes._case.LinkAttributes;
46 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev180329.linkstate.path.attribute.link.state.attribute.node.attributes._case.NodeAttributes;
47 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev180329.linkstate.path.attribute.link.state.attribute.prefix.attributes._case.PrefixAttributes;
48 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev180329.linkstate.routes.LinkstateRoutes;
49 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev180329.linkstate.routes.linkstate.routes.LinkstateRoute;
50 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev180329.linkstate.routes.linkstate.routes.linkstate.route.Attributes1;
51 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev180329.path.attributes.Attributes;
52 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev180329.rib.Tables;
53 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.odl.bgp.topology.types.rev160524.TopologyTypes1;
54 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.odl.bgp.topology.types.rev160524.TopologyTypes1Builder;
55 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.odl.bgp.topology.types.rev160524.bgp.linkstate.topology.type.BgpLinkstateTopologyBuilder;
56 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.LinkId;
57 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NodeId;
58 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.TopologyId;
59 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.TpId;
60 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.link.attributes.DestinationBuilder;
61 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.link.attributes.SourceBuilder;
62 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Link;
63 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.LinkBuilder;
64 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.LinkKey;
65 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
66 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.NodeBuilder;
67 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.NodeKey;
68 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.TopologyTypes;
69 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.TopologyTypesBuilder;
70 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.node.TerminationPoint;
71 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.node.TerminationPointBuilder;
72 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.node.TerminationPointKey;
73 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.nt.l3.unicast.igp.topology.rev131021.Link1;
74 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.nt.l3.unicast.igp.topology.rev131021.Link1Builder;
75 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.nt.l3.unicast.igp.topology.rev131021.Node1;
76 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.nt.l3.unicast.igp.topology.rev131021.Node1Builder;
77 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.nt.l3.unicast.igp.topology.rev131021.TerminationPoint1;
78 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.nt.l3.unicast.igp.topology.rev131021.TerminationPoint1Builder;
79 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.nt.l3.unicast.igp.topology.rev131021.igp.link.attributes.IgpLinkAttributesBuilder;
80 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.nt.l3.unicast.igp.topology.rev131021.igp.node.attributes.IgpNodeAttributes;
81 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.nt.l3.unicast.igp.topology.rev131021.igp.node.attributes.IgpNodeAttributesBuilder;
82 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.nt.l3.unicast.igp.topology.rev131021.igp.node.attributes.igp.node.attributes.Prefix;
83 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.nt.l3.unicast.igp.topology.rev131021.igp.node.attributes.igp.node.attributes.PrefixBuilder;
84 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.nt.l3.unicast.igp.topology.rev131021.igp.node.attributes.igp.node.attributes.PrefixKey;
85 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.nt.l3.unicast.igp.topology.rev131021.igp.termination.point.attributes.IgpTerminationPointAttributesBuilder;
86 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.nt.l3.unicast.igp.topology.rev131021.igp.termination.point.attributes.igp.termination.point.attributes.TerminationPointType;
87 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.nt.l3.unicast.igp.topology.rev131021.igp.termination.point.attributes.igp.termination.point.attributes.termination.point.type.IpBuilder;
88 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.nt.l3.unicast.igp.topology.rev131021.igp.termination.point.attributes.igp.termination.point.attributes.termination.point.type.UnnumberedBuilder;
89 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
90 import org.opendaylight.yangtools.yang.common.Uint32;
91 import org.slf4j.Logger;
92 import org.slf4j.LoggerFactory;
94 public class LinkstateTopologyBuilder extends AbstractTopologyBuilder<LinkstateRoute> {
95 private static final TopologyTypes LINKSTATE_TOPOLOGY_TYPE = new TopologyTypesBuilder()
96 .addAugmentation(TopologyTypes1.class, new TopologyTypes1Builder()
97 .setBgpLinkstateTopology(new BgpLinkstateTopologyBuilder().build()).build()).build();
99 private static final String UNHANDLED_OBJECT_CLASS = "Unhandled object class {}";
101 private static final class TpHolder {
102 private final Set<LinkId> local = new HashSet<>();
103 private final Set<LinkId> remote = new HashSet<>();
105 private final TerminationPoint tp;
107 TpHolder(final TerminationPoint tp) {
108 this.tp = requireNonNull(tp);
111 synchronized void addLink(final LinkId id, final boolean isRemote) {
119 synchronized boolean removeLink(final LinkId id, final boolean isRemote) {
120 final boolean removed;
122 removed = this.remote.remove(id);
124 removed = this.local.remove(id);
127 LOG.warn("Removed non-reference link {} from TP {} isRemote {}", this.tp.getTpId(), id, isRemote);
130 return this.local.isEmpty() && this.remote.isEmpty();
133 TerminationPoint getTp() {
138 private final class NodeHolder {
139 private final Map<PrefixKey, Prefix> prefixes = new HashMap<>();
140 private final Map<TpId, TpHolder> tps = new HashMap<>();
141 private boolean advertized = false;
142 private IgpNodeAttributesBuilder inab;
143 private NodeBuilder nb;
145 NodeHolder(final NodeId id) {
146 this.inab = new IgpNodeAttributesBuilder();
147 this.nb = new NodeBuilder().withKey(new NodeKey(id)).setNodeId(id);
151 * Synchronized in-core state of a node into the backing store using the transaction.
153 * @param trans data modification transaction which to use
154 * @return True if the node has been purged, false otherwise.
156 boolean syncState(final WriteTransaction trans) {
157 final InstanceIdentifier<Node> nid = getNodeInstanceIdentifier(this.nb.key());
160 * Transaction's putOperationalData() does a merge. Force it onto a replace
161 * by removing the data. If we decide to remove the node -- we just skip the put.
163 trans.delete(LogicalDatastoreType.OPERATIONAL, nid);
165 if (!this.advertized) {
166 if (this.tps.isEmpty() && this.prefixes.isEmpty()) {
167 LOG.trace("Removing unadvertized unused node {}", this.nb.getNodeId());
171 LOG.trace("Node {} is still implied by {} TPs and {} prefixes", this.nb.getNodeId(), this.tps.size(),
172 this.prefixes.size());
175 // Re-generate termination points
176 this.nb.setTerminationPoint(Lists.newArrayList(Collections2.transform(this.tps.values(), TpHolder::getTp)));
178 // Re-generate prefixes
179 this.inab.setPrefix(Lists.newArrayList(this.prefixes.values()));
181 // Write the node out
182 final Node n = this.nb.addAugmentation(Node1.class, new Node1Builder()
183 .setIgpNodeAttributes(this.inab.build()).build()).build();
184 trans.put(LogicalDatastoreType.OPERATIONAL, nid, n);
185 LOG.trace("Created node {} at {}", n, nid);
189 boolean checkForRemoval(final WriteTransaction trans) {
190 final InstanceIdentifier<Node> nid = getNodeInstanceIdentifier(this.nb.key());
192 if (!this.advertized) {
193 if (this.tps.isEmpty() && this.prefixes.isEmpty()) {
194 trans.delete(LogicalDatastoreType.OPERATIONAL, nid);
195 LOG.trace("Removing unadvertized unused node {}", this.nb.getNodeId());
199 LOG.trace("Node {} is still implied by {} TPs and {} prefixes", this.nb.getNodeId(),
200 this.tps.size(), this.prefixes.size());
205 synchronized void removeTp(final TpId tp, final LinkId link, final boolean isRemote) {
206 final TpHolder h = this.tps.get(tp);
208 if (h.removeLink(link, isRemote)) {
210 LOG.trace("Removed TP {}", tp);
213 LOG.warn("Removed non-present TP {} by link {}", tp, link);
217 void addTp(final TerminationPoint tp, final LinkId link, final boolean isRemote) {
218 final TpHolder h = this.tps.computeIfAbsent(tp.getTpId(), k -> new TpHolder(tp));
219 h.addLink(link, isRemote);
222 void addPrefix(final Prefix pfx) {
223 this.prefixes.put(pfx.key(), pfx);
226 void removePrefix(final PrefixCase prefixCase) {
227 this.prefixes.remove(new PrefixKey(prefixCase.getPrefixDescriptors().getIpReachabilityInformation()));
230 void unadvertized() {
231 this.inab = new IgpNodeAttributesBuilder();
232 this.nb = new NodeBuilder().withKey(this.nb.key()).setNodeId(this.nb.getNodeId());
233 this.advertized = false;
234 LOG.debug("Node {} is unadvertized", this.nb.getNodeId());
237 void advertized(final NodeBuilder nodeBuilder, final IgpNodeAttributesBuilder igpNodeAttBuilder) {
238 this.nb = requireNonNull(nodeBuilder);
239 this.inab = requireNonNull(igpNodeAttBuilder);
240 this.advertized = true;
241 LOG.debug("Node {} is advertized", nodeBuilder.getNodeId());
245 return this.nb.getNodeId();
249 private static final Logger LOG = LoggerFactory.getLogger(LinkstateTopologyBuilder.class);
250 private final Map<NodeId, NodeHolder> nodes = new HashMap<>();
252 public LinkstateTopologyBuilder(final DataBroker dataProvider, final RibReference locRibReference,
253 final TopologyId topologyId) {
254 super(dataProvider, locRibReference, topologyId, LINKSTATE_TOPOLOGY_TYPE, LinkstateAddressFamily.class,
255 LinkstateSubsequentAddressFamily.class);
259 LinkstateTopologyBuilder(final DataBroker dataProvider, final RibReference locRibReference,
260 final TopologyId topologyId, final long listenerResetLimitInMillsec,
261 final int listenerResetEnforceCounter) {
262 super(dataProvider, locRibReference, topologyId, LINKSTATE_TOPOLOGY_TYPE, LinkstateAddressFamily.class,
263 LinkstateSubsequentAddressFamily.class,
264 listenerResetLimitInMillsec, listenerResetEnforceCounter);
267 private static LinkId buildLinkId(final UriBuilder base, final LinkCase link) {
268 return new LinkId(new UriBuilder(base, "link").add(link).toString());
271 private static NodeId buildNodeId(final UriBuilder base, final org.opendaylight.yang.gen.v1.urn.opendaylight
272 .params.xml.ns.yang.bgp.linkstate.rev180329.NodeIdentifier node) {
273 return new NodeId(new UriBuilder(base, "node").addPrefix("", node).toString());
276 private static TpId buildTpId(final UriBuilder base, final TopologyIdentifier topologyIdentifier,
277 final Ipv4InterfaceIdentifier ipv4InterfaceIdentifier,
278 final Ipv6InterfaceIdentifier ipv6InterfaceIdentifier, final Uint32 id) {
279 final UriBuilder b = new UriBuilder(base, "tp");
280 if (topologyIdentifier != null) {
281 b.add("mt", topologyIdentifier.getValue());
283 if (ipv4InterfaceIdentifier != null) {
284 b.add("ipv4", ipv4InterfaceIdentifier.getValue());
286 if (ipv6InterfaceIdentifier != null) {
287 b.add("ipv6", ipv6InterfaceIdentifier.getValue());
290 return new TpId(b.add("id", id).toString());
293 private static TpId buildLocalTpId(final UriBuilder base, final LinkDescriptors linkDescriptors) {
294 return buildTpId(base, linkDescriptors.getMultiTopologyId(), linkDescriptors.getIpv4InterfaceAddress(),
295 linkDescriptors.getIpv6InterfaceAddress(), linkDescriptors.getLinkLocalIdentifier());
298 private static TerminationPoint buildTp(final TpId id, final TerminationPointType type) {
299 final TerminationPointBuilder stpb = new TerminationPointBuilder();
300 stpb.withKey(new TerminationPointKey(id));
304 stpb.addAugmentation(TerminationPoint1.class, new TerminationPoint1Builder()
305 .setIgpTerminationPointAttributes(
306 new IgpTerminationPointAttributesBuilder().setTerminationPointType(type).build()).build());
312 private static TerminationPointType getTpType(final Ipv4InterfaceIdentifier ipv4InterfaceIdentifier,
313 final Ipv6InterfaceIdentifier ipv6InterfaceIdentifier, final Uint32 id) {
314 // Order of preference: Unnumbered first, then IP
316 LOG.debug("Unnumbered termination point type: {}", id);
317 return new UnnumberedBuilder().setUnnumberedId(id).build();
321 if (ipv6InterfaceIdentifier != null) {
322 ip = new IpAddress(ipv6InterfaceIdentifier);
323 } else if (ipv4InterfaceIdentifier != null) {
324 ip = new IpAddress(ipv4InterfaceIdentifier);
330 LOG.debug("IP termination point type: {}", ip);
331 return new IpBuilder().setIpAddress(Lists.newArrayList(ip)).build();
337 private static TerminationPoint buildLocalTp(final UriBuilder base, final LinkDescriptors linkDescriptors) {
338 final TpId id = buildLocalTpId(base, linkDescriptors);
339 final TerminationPointType t = getTpType(linkDescriptors.getIpv4InterfaceAddress(),
340 linkDescriptors.getIpv6InterfaceAddress(),
341 linkDescriptors.getLinkLocalIdentifier());
343 return buildTp(id, t);
346 private static TpId buildRemoteTpId(final UriBuilder base, final LinkDescriptors linkDescriptors) {
347 return buildTpId(base, linkDescriptors.getMultiTopologyId(), linkDescriptors.getIpv4NeighborAddress(),
348 linkDescriptors.getIpv6NeighborAddress(), linkDescriptors.getLinkRemoteIdentifier());
351 private static TerminationPoint buildRemoteTp(final UriBuilder base, final LinkDescriptors linkDescriptors) {
352 final TpId id = buildRemoteTpId(base, linkDescriptors);
353 final TerminationPointType t = getTpType(linkDescriptors.getIpv4NeighborAddress(),
354 linkDescriptors.getIpv6NeighborAddress(),
355 linkDescriptors.getLinkRemoteIdentifier());
357 return buildTp(id, t);
360 private InstanceIdentifier<Link> buildLinkIdentifier(final LinkId id) {
361 return getInstanceIdentifier().child(
362 org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology
363 .topology.Link.class, new LinkKey(id));
366 private NodeHolder getNode(final NodeId id) {
367 if (this.nodes.containsKey(id)) {
368 LOG.debug("Node {} is already present", id);
369 return this.nodes.get(id);
372 final NodeHolder ret = new NodeHolder(id);
373 this.nodes.put(id, ret);
377 private void putNode(final WriteTransaction trans, final NodeHolder holder) {
378 if (holder.syncState(trans)) {
379 this.nodes.remove(holder.getNodeId());
383 private void checkNodeForRemoval(final WriteTransaction trans, final NodeHolder holder) {
384 if (holder.checkForRemoval(trans)) {
385 this.nodes.remove(holder.getNodeId());
389 private void createLink(final WriteTransaction trans, final UriBuilder base,
390 final LinkstateRoute value, final LinkCase linkCase, final Attributes attributes) {
392 final LinkAttributes la;
393 final Attributes1 attr = attributes.augmentation(Attributes1.class);
395 final LinkStateAttribute attrType = attr.getLinkStateAttribute();
396 if (attrType != null) {
397 la = ((LinkAttributesCase)attrType).getLinkAttributes();
399 LOG.debug("Missing attribute type in link {} route {}, skipping it", linkCase, value);
403 LOG.debug("Missing attributes in link {} route {}, skipping it", linkCase, value);
407 final IgpLinkAttributesBuilder ilab = new IgpLinkAttributesBuilder();
409 if (la.getMetric() != null) {
410 ilab.setMetric(la.getMetric().getValue());
412 ilab.setName(la.getLinkName());
414 ProtocolUtil.augmentProtocolId(value, ilab, la, linkCase.getLinkDescriptors());
416 final LinkBuilder lb = new LinkBuilder();
417 lb.setLinkId(buildLinkId(base, linkCase));
418 lb.addAugmentation(Link1.class, new Link1Builder().setIgpLinkAttributes(ilab.build()).build());
420 final NodeId srcNode = buildNodeId(base, linkCase.getLocalNodeDescriptors());
421 LOG.trace("Link {} implies source node {}", linkCase, srcNode);
423 final NodeId dstNode = buildNodeId(base, linkCase.getRemoteNodeDescriptors());
424 LOG.trace("Link {} implies destination node {}", linkCase, dstNode);
426 final TerminationPoint srcTp = buildLocalTp(base, linkCase.getLinkDescriptors());
427 LOG.trace("Link {} implies source TP {}", linkCase, srcTp);
429 final TerminationPoint dstTp = buildRemoteTp(base, linkCase.getLinkDescriptors());
430 LOG.trace("Link {} implies destination TP {}", linkCase, dstTp);
432 lb.setSource(new SourceBuilder().setSourceNode(srcNode).setSourceTp(srcTp.getTpId()).build());
433 lb.setDestination(new DestinationBuilder().setDestNode(dstNode).setDestTp(dstTp.getTpId()).build());
435 LOG.trace("Created TP {} as link source", srcTp);
436 NodeHolder snh = this.nodes.get(srcNode);
438 snh = getNode(srcNode);
439 snh.addTp(srcTp, lb.getLinkId(), false);
442 snh.addTp(srcTp, lb.getLinkId(), false);
443 final InstanceIdentifier<Node> nid = getNodeInstanceIdentifier(new NodeKey(snh.getNodeId()));
444 trans.put(LogicalDatastoreType.OPERATIONAL, nid.child(TerminationPoint.class, srcTp.key()), srcTp);
447 LOG.debug("Created TP {} as link destination", dstTp);
448 NodeHolder dnh = this.nodes.get(dstNode);
450 dnh = getNode(dstNode);
451 dnh.addTp(dstTp, lb.getLinkId(), true);
454 dnh.addTp(dstTp, lb.getLinkId(), true);
455 final InstanceIdentifier<Node> nid = getInstanceIdentifier().child(
456 org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network
457 .topology.topology.Node.class, new NodeKey(dnh.getNodeId()));
458 trans.put(LogicalDatastoreType.OPERATIONAL, nid.child(TerminationPoint.class, dstTp.key()), dstTp);
461 final InstanceIdentifier<Link> lid = buildLinkIdentifier(lb.getLinkId());
462 final Link link = lb.build();
464 trans.put(LogicalDatastoreType.OPERATIONAL, lid, link);
465 LOG.debug("Created link {} at {} for {}", link, lid, linkCase);
468 private void removeTp(final WriteTransaction trans, final NodeId node, final TpId tp,
469 final LinkId link, final boolean isRemote) {
470 final NodeHolder nh = this.nodes.get(node);
472 final InstanceIdentifier<Node> nid = getNodeInstanceIdentifier(new NodeKey(nh.getNodeId()));
473 trans.delete(LogicalDatastoreType.OPERATIONAL, nid.child(TerminationPoint.class,
474 new TerminationPointKey(tp)));
475 nh.removeTp(tp, link, isRemote);
476 checkNodeForRemoval(trans, nh);
478 LOG.warn("Removed non-existent node {}", node);
482 private void removeLink(final WriteTransaction trans, final UriBuilder base, final LinkCase linkCase) {
483 final LinkId id = buildLinkId(base, linkCase);
484 final InstanceIdentifier<?> lid = buildLinkIdentifier(id);
485 trans.delete(LogicalDatastoreType.OPERATIONAL, lid);
486 LOG.debug("Removed link {}", lid);
488 removeTp(trans, buildNodeId(base, linkCase.getLocalNodeDescriptors()),
489 buildLocalTpId(base, linkCase.getLinkDescriptors()), id, false);
490 removeTp(trans, buildNodeId(base, linkCase.getRemoteNodeDescriptors()),
491 buildRemoteTpId(base, linkCase.getLinkDescriptors()), id, true);
494 private void createNode(final WriteTransaction trans, final UriBuilder base,
495 final LinkstateRoute value, final NodeCase nodeCase, final Attributes attributes) {
496 final NodeAttributes na;
498 final Attributes1 attr = attributes.augmentation(Attributes1.class);
500 final LinkStateAttribute attrType = attr.getLinkStateAttribute();
501 if (attrType != null) {
502 na = ((NodeAttributesCase)attrType).getNodeAttributes();
504 LOG.debug("Missing attribute type in node {} route {}, skipping it", nodeCase, value);
508 LOG.debug("Missing attributes in node {} route {}, skipping it", nodeCase, value);
511 final IgpNodeAttributesBuilder inab = new IgpNodeAttributesBuilder();
512 final List<IpAddress> ids = new ArrayList<>();
514 if (na.getIpv4RouterId() != null) {
515 ids.add(new IpAddress(na.getIpv4RouterId()));
517 if (na.getIpv6RouterId() != null) {
518 ids.add(new IpAddress(na.getIpv6RouterId()));
520 if (na.getDynamicHostname() != null) {
521 inab.setName(new DomainName(na.getDynamicHostname()));
524 if (!ids.isEmpty()) {
525 inab.setRouterId(ids);
527 ProtocolUtil.augmentProtocolId(value, inab, na, nodeCase.getNodeDescriptors());
529 final NodeId nid = buildNodeId(base, nodeCase.getNodeDescriptors());
530 final NodeHolder nh = getNode(nid);
532 * Eventhough the the holder creates a dummy structure, we need to duplicate it here,
533 * as that is the API requirement. The reason for it is the possible presence of supporting
534 * node -- something which the holder does not track.
536 final NodeBuilder nb = new NodeBuilder();
538 nb.withKey(new NodeKey(nb.getNodeId()));
540 nh.advertized(nb, inab);
544 private void removeNode(final WriteTransaction trans, final UriBuilder base, final NodeCase nodeCase) {
545 final NodeId id = buildNodeId(base, nodeCase.getNodeDescriptors());
546 final NodeHolder nh = this.nodes.get(id);
551 LOG.warn("Node {} does not have a holder", id);
555 private void createPrefix(final WriteTransaction trans, final UriBuilder base,
556 final LinkstateRoute value, final PrefixCase prefixCase, final Attributes attributes) {
557 final IpPrefix ippfx = prefixCase.getPrefixDescriptors().getIpReachabilityInformation();
559 LOG.warn("IP reachability not present in prefix {} route {}, skipping it", prefixCase, value);
562 final PrefixBuilder pb = new PrefixBuilder();
563 final PrefixKey pk = new PrefixKey(ippfx);
567 final PrefixAttributes pa;
568 // Very defensive lookup
569 final Attributes1 attr = attributes.augmentation(Attributes1.class);
571 final LinkStateAttribute attrType = attr.getLinkStateAttribute();
572 if (attrType != null) {
573 pa = ((PrefixAttributesCase)attrType).getPrefixAttributes();
575 LOG.debug("Missing attribute type in IP {} prefix {} route {}, skipping it", ippfx, prefixCase, value);
579 LOG.debug("Missing attributes in IP {} prefix {} route {}, skipping it", ippfx, prefixCase, value);
582 if (pa != null && pa.getPrefixMetric() != null) {
583 pb.setMetric(pa.getPrefixMetric().getValue());
585 ProtocolUtil.augmentProtocolId(value, pa, pb);
587 final Prefix pfx = pb.build();
588 LOG.debug("Created prefix {} for {}", pfx, prefixCase);
591 * All set, but... the hosting node may not exist, we may need to fake it.
593 final NodeId node = buildNodeId(base, prefixCase.getAdvertisingNodeDescriptors());
594 NodeHolder nh = this.nodes.get(node);
601 final InstanceIdentifier<Node> nid = getNodeInstanceIdentifier(new NodeKey(nh.getNodeId()));
602 final InstanceIdentifier<IgpNodeAttributes> inaId = nid.builder().augmentation(Node1.class)
603 .child(IgpNodeAttributes.class).build();
604 trans.put(LogicalDatastoreType.OPERATIONAL, inaId.child(Prefix.class, pk), pfx);
608 private void removePrefix(final WriteTransaction trans, final UriBuilder base, final PrefixCase prefixCase) {
609 final NodeId node = buildNodeId(base, prefixCase.getAdvertisingNodeDescriptors());
610 final NodeHolder nh = this.nodes.get(node);
612 LOG.debug("Removed prefix {}", prefixCase);
613 final InstanceIdentifier<Node> nid = getNodeInstanceIdentifier(new NodeKey(nh.getNodeId()));
614 final InstanceIdentifier<IgpNodeAttributes> inaId = nid.builder().augmentation(Node1.class)
615 .child(IgpNodeAttributes.class).build();
616 final IpPrefix ippfx = prefixCase.getPrefixDescriptors().getIpReachabilityInformation();
618 LOG.warn("IP reachability not present in prefix {}, skipping it", prefixCase);
621 final PrefixKey pk = new PrefixKey(ippfx);
622 trans.delete(LogicalDatastoreType.OPERATIONAL, inaId.child(Prefix.class, pk));
623 nh.removePrefix(prefixCase);
624 checkNodeForRemoval(trans, nh);
626 LOG.warn("Removing prefix from non-existing node {}", node);
630 private InstanceIdentifier<Node> getNodeInstanceIdentifier(final NodeKey nodeKey) {
631 return getInstanceIdentifier().child(
632 org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network
633 .topology.topology.Node.class, nodeKey);
637 protected void createObject(final ReadWriteTransaction trans,
638 final InstanceIdentifier<LinkstateRoute> id, final LinkstateRoute value) {
639 final UriBuilder base = new UriBuilder(value);
641 final ObjectType t = value.getObjectType();
642 Preconditions.checkArgument(t != null, "Route %s value %s has null object type", id, value);
644 if (t instanceof LinkCase) {
645 createLink(trans, base, value, (LinkCase) t, value.getAttributes());
646 } else if (t instanceof NodeCase) {
647 createNode(trans, base, value, (NodeCase) t, value.getAttributes());
648 } else if (t instanceof PrefixCase) {
649 createPrefix(trans, base, value, (PrefixCase) t, value.getAttributes());
651 LOG.debug(UNHANDLED_OBJECT_CLASS, t.implementedInterface());
656 protected void removeObject(final ReadWriteTransaction trans,
657 final InstanceIdentifier<LinkstateRoute> id, final LinkstateRoute value) {
659 LOG.error("Empty before-data received in delete data change notification for instance id {}", id);
663 final UriBuilder base = new UriBuilder(value);
665 final ObjectType t = value.getObjectType();
666 if (t instanceof LinkCase) {
667 removeLink(trans, base, (LinkCase) t);
668 } else if (t instanceof NodeCase) {
669 removeNode(trans, base, (NodeCase) t);
670 } else if (t instanceof PrefixCase) {
671 removePrefix(trans, base, (PrefixCase) t);
673 LOG.debug(UNHANDLED_OBJECT_CLASS, t.implementedInterface());
678 protected InstanceIdentifier<LinkstateRoute> getRouteWildcard(final InstanceIdentifier<Tables> tablesId) {
679 return tablesId.child(LinkstateRoutesCase.class, LinkstateRoutes.class).child(LinkstateRoute.class);
683 protected void clearTopology() {