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 return this.nodes.computeIfAbsent(id, NodeHolder::new);
370 private void putNode(final WriteTransaction trans, final NodeHolder holder) {
371 if (holder.syncState(trans)) {
372 this.nodes.remove(holder.getNodeId());
376 private void checkNodeForRemoval(final WriteTransaction trans, final NodeHolder holder) {
377 if (holder.checkForRemoval(trans)) {
378 this.nodes.remove(holder.getNodeId());
382 private void createLink(final WriteTransaction trans, final UriBuilder base,
383 final LinkstateRoute value, final LinkCase linkCase, final Attributes attributes) {
385 final LinkAttributes la;
386 final Attributes1 attr = attributes.augmentation(Attributes1.class);
388 final LinkStateAttribute attrType = attr.getLinkStateAttribute();
389 if (attrType != null) {
390 la = ((LinkAttributesCase)attrType).getLinkAttributes();
392 LOG.debug("Missing attribute type in link {} route {}, skipping it", linkCase, value);
396 LOG.debug("Missing attributes in link {} route {}, skipping it", linkCase, value);
400 final IgpLinkAttributesBuilder ilab = new IgpLinkAttributesBuilder();
402 if (la.getMetric() != null) {
403 ilab.setMetric(la.getMetric().getValue());
405 ilab.setName(la.getLinkName());
407 ProtocolUtil.augmentProtocolId(value, ilab, la, linkCase.getLinkDescriptors());
409 final LinkBuilder lb = new LinkBuilder();
410 lb.setLinkId(buildLinkId(base, linkCase));
411 lb.addAugmentation(Link1.class, new Link1Builder().setIgpLinkAttributes(ilab.build()).build());
413 final NodeId srcNode = buildNodeId(base, linkCase.getLocalNodeDescriptors());
414 LOG.trace("Link {} implies source node {}", linkCase, srcNode);
416 final NodeId dstNode = buildNodeId(base, linkCase.getRemoteNodeDescriptors());
417 LOG.trace("Link {} implies destination node {}", linkCase, dstNode);
419 final TerminationPoint srcTp = buildLocalTp(base, linkCase.getLinkDescriptors());
420 LOG.trace("Link {} implies source TP {}", linkCase, srcTp);
422 final TerminationPoint dstTp = buildRemoteTp(base, linkCase.getLinkDescriptors());
423 LOG.trace("Link {} implies destination TP {}", linkCase, dstTp);
425 lb.setSource(new SourceBuilder().setSourceNode(srcNode).setSourceTp(srcTp.getTpId()).build());
426 lb.setDestination(new DestinationBuilder().setDestNode(dstNode).setDestTp(dstTp.getTpId()).build());
428 LOG.trace("Created TP {} as link source", srcTp);
429 NodeHolder snh = this.nodes.get(srcNode);
431 snh = getNode(srcNode);
432 snh.addTp(srcTp, lb.getLinkId(), false);
435 snh.addTp(srcTp, lb.getLinkId(), false);
436 final InstanceIdentifier<Node> nid = getNodeInstanceIdentifier(new NodeKey(snh.getNodeId()));
437 trans.put(LogicalDatastoreType.OPERATIONAL, nid.child(TerminationPoint.class, srcTp.key()), srcTp);
440 LOG.debug("Created TP {} as link destination", dstTp);
441 NodeHolder dnh = this.nodes.get(dstNode);
443 dnh = getNode(dstNode);
444 dnh.addTp(dstTp, lb.getLinkId(), true);
447 dnh.addTp(dstTp, lb.getLinkId(), true);
448 final InstanceIdentifier<Node> nid = getInstanceIdentifier().child(
449 org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network
450 .topology.topology.Node.class, new NodeKey(dnh.getNodeId()));
451 trans.put(LogicalDatastoreType.OPERATIONAL, nid.child(TerminationPoint.class, dstTp.key()), dstTp);
454 final InstanceIdentifier<Link> lid = buildLinkIdentifier(lb.getLinkId());
455 final Link link = lb.build();
457 trans.put(LogicalDatastoreType.OPERATIONAL, lid, link);
458 LOG.debug("Created link {} at {} for {}", link, lid, linkCase);
461 private void removeTp(final WriteTransaction trans, final NodeId node, final TpId tp,
462 final LinkId link, final boolean isRemote) {
463 final NodeHolder nh = this.nodes.get(node);
465 final InstanceIdentifier<Node> nid = getNodeInstanceIdentifier(new NodeKey(nh.getNodeId()));
466 trans.delete(LogicalDatastoreType.OPERATIONAL, nid.child(TerminationPoint.class,
467 new TerminationPointKey(tp)));
468 nh.removeTp(tp, link, isRemote);
469 checkNodeForRemoval(trans, nh);
471 LOG.warn("Removed non-existent node {}", node);
475 private void removeLink(final WriteTransaction trans, final UriBuilder base, final LinkCase linkCase) {
476 final LinkId id = buildLinkId(base, linkCase);
477 final InstanceIdentifier<?> lid = buildLinkIdentifier(id);
478 trans.delete(LogicalDatastoreType.OPERATIONAL, lid);
479 LOG.debug("Removed link {}", lid);
481 removeTp(trans, buildNodeId(base, linkCase.getLocalNodeDescriptors()),
482 buildLocalTpId(base, linkCase.getLinkDescriptors()), id, false);
483 removeTp(trans, buildNodeId(base, linkCase.getRemoteNodeDescriptors()),
484 buildRemoteTpId(base, linkCase.getLinkDescriptors()), id, true);
487 private void createNode(final WriteTransaction trans, final UriBuilder base,
488 final LinkstateRoute value, final NodeCase nodeCase, final Attributes attributes) {
489 final NodeAttributes na;
491 final Attributes1 attr = attributes.augmentation(Attributes1.class);
493 final LinkStateAttribute attrType = attr.getLinkStateAttribute();
494 if (attrType != null) {
495 na = ((NodeAttributesCase)attrType).getNodeAttributes();
497 LOG.debug("Missing attribute type in node {} route {}, skipping it", nodeCase, value);
501 LOG.debug("Missing attributes in node {} route {}, skipping it", nodeCase, value);
504 final IgpNodeAttributesBuilder inab = new IgpNodeAttributesBuilder();
505 final List<IpAddress> ids = new ArrayList<>();
507 if (na.getIpv4RouterId() != null) {
508 ids.add(new IpAddress(na.getIpv4RouterId()));
510 if (na.getIpv6RouterId() != null) {
511 ids.add(new IpAddress(na.getIpv6RouterId()));
513 if (na.getDynamicHostname() != null) {
514 inab.setName(new DomainName(na.getDynamicHostname()));
517 if (!ids.isEmpty()) {
518 inab.setRouterId(ids);
520 ProtocolUtil.augmentProtocolId(value, inab, na, nodeCase.getNodeDescriptors());
522 final NodeId nid = buildNodeId(base, nodeCase.getNodeDescriptors());
523 final NodeHolder nh = getNode(nid);
525 * Eventhough the the holder creates a dummy structure, we need to duplicate it here,
526 * as that is the API requirement. The reason for it is the possible presence of supporting
527 * node -- something which the holder does not track.
529 final NodeBuilder nb = new NodeBuilder();
531 nb.withKey(new NodeKey(nb.getNodeId()));
533 nh.advertized(nb, inab);
537 private void removeNode(final WriteTransaction trans, final UriBuilder base, final NodeCase nodeCase) {
538 final NodeId id = buildNodeId(base, nodeCase.getNodeDescriptors());
539 final NodeHolder nh = this.nodes.get(id);
544 LOG.warn("Node {} does not have a holder", id);
548 private void createPrefix(final WriteTransaction trans, final UriBuilder base,
549 final LinkstateRoute value, final PrefixCase prefixCase, final Attributes attributes) {
550 final IpPrefix ippfx = prefixCase.getPrefixDescriptors().getIpReachabilityInformation();
552 LOG.warn("IP reachability not present in prefix {} route {}, skipping it", prefixCase, value);
555 final PrefixBuilder pb = new PrefixBuilder();
556 final PrefixKey pk = new PrefixKey(ippfx);
560 final PrefixAttributes pa;
561 // Very defensive lookup
562 final Attributes1 attr = attributes.augmentation(Attributes1.class);
564 final LinkStateAttribute attrType = attr.getLinkStateAttribute();
565 if (attrType != null) {
566 pa = ((PrefixAttributesCase)attrType).getPrefixAttributes();
568 LOG.debug("Missing attribute type in IP {} prefix {} route {}, skipping it", ippfx, prefixCase, value);
572 LOG.debug("Missing attributes in IP {} prefix {} route {}, skipping it", ippfx, prefixCase, value);
575 if (pa != null && pa.getPrefixMetric() != null) {
576 pb.setMetric(pa.getPrefixMetric().getValue());
578 ProtocolUtil.augmentProtocolId(value, pa, pb);
580 final Prefix pfx = pb.build();
581 LOG.debug("Created prefix {} for {}", pfx, prefixCase);
584 * All set, but... the hosting node may not exist, we may need to fake it.
586 final NodeId node = buildNodeId(base, prefixCase.getAdvertisingNodeDescriptors());
587 NodeHolder nh = this.nodes.get(node);
594 final InstanceIdentifier<Node> nid = getNodeInstanceIdentifier(new NodeKey(nh.getNodeId()));
595 final InstanceIdentifier<IgpNodeAttributes> inaId = nid.builder().augmentation(Node1.class)
596 .child(IgpNodeAttributes.class).build();
597 trans.put(LogicalDatastoreType.OPERATIONAL, inaId.child(Prefix.class, pk), pfx);
601 private void removePrefix(final WriteTransaction trans, final UriBuilder base, final PrefixCase prefixCase) {
602 final NodeId node = buildNodeId(base, prefixCase.getAdvertisingNodeDescriptors());
603 final NodeHolder nh = this.nodes.get(node);
605 LOG.debug("Removed prefix {}", prefixCase);
606 final InstanceIdentifier<Node> nid = getNodeInstanceIdentifier(new NodeKey(nh.getNodeId()));
607 final InstanceIdentifier<IgpNodeAttributes> inaId = nid.builder().augmentation(Node1.class)
608 .child(IgpNodeAttributes.class).build();
609 final IpPrefix ippfx = prefixCase.getPrefixDescriptors().getIpReachabilityInformation();
611 LOG.warn("IP reachability not present in prefix {}, skipping it", prefixCase);
614 final PrefixKey pk = new PrefixKey(ippfx);
615 trans.delete(LogicalDatastoreType.OPERATIONAL, inaId.child(Prefix.class, pk));
616 nh.removePrefix(prefixCase);
617 checkNodeForRemoval(trans, nh);
619 LOG.warn("Removing prefix from non-existing node {}", node);
623 private InstanceIdentifier<Node> getNodeInstanceIdentifier(final NodeKey nodeKey) {
624 return getInstanceIdentifier().child(
625 org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network
626 .topology.topology.Node.class, nodeKey);
630 protected void createObject(final ReadWriteTransaction trans,
631 final InstanceIdentifier<LinkstateRoute> id, final LinkstateRoute value) {
632 final UriBuilder base = new UriBuilder(value);
634 final ObjectType t = value.getObjectType();
635 Preconditions.checkArgument(t != null, "Route %s value %s has null object type", id, value);
637 if (t instanceof LinkCase) {
638 createLink(trans, base, value, (LinkCase) t, value.getAttributes());
639 } else if (t instanceof NodeCase) {
640 createNode(trans, base, value, (NodeCase) t, value.getAttributes());
641 } else if (t instanceof PrefixCase) {
642 createPrefix(trans, base, value, (PrefixCase) t, value.getAttributes());
644 LOG.debug(UNHANDLED_OBJECT_CLASS, t.implementedInterface());
649 protected void removeObject(final ReadWriteTransaction trans,
650 final InstanceIdentifier<LinkstateRoute> id, final LinkstateRoute value) {
652 LOG.error("Empty before-data received in delete data change notification for instance id {}", id);
656 final UriBuilder base = new UriBuilder(value);
658 final ObjectType t = value.getObjectType();
659 if (t instanceof LinkCase) {
660 removeLink(trans, base, (LinkCase) t);
661 } else if (t instanceof NodeCase) {
662 removeNode(trans, base, (NodeCase) t);
663 } else if (t instanceof PrefixCase) {
664 removePrefix(trans, base, (PrefixCase) t);
666 LOG.debug(UNHANDLED_OBJECT_CLASS, t.implementedInterface());
671 protected InstanceIdentifier<LinkstateRoute> getRouteWildcard(final InstanceIdentifier<Tables> tablesId) {
672 return tablesId.child(LinkstateRoutesCase.class, LinkstateRoutes.class).child(LinkstateRoute.class);
676 protected void clearTopology() {