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.controller.md.sal.binding.api.DataBroker;
23 import org.opendaylight.controller.md.sal.binding.api.ReadWriteTransaction;
24 import org.opendaylight.controller.md.sal.binding.api.WriteTransaction;
25 import org.opendaylight.controller.md.sal.common.api.data.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.slf4j.Logger;
91 import org.slf4j.LoggerFactory;
93 public class LinkstateTopologyBuilder extends AbstractTopologyBuilder<LinkstateRoute> {
94 private static final TopologyTypes LINKSTATE_TOPOLOGY_TYPE = new TopologyTypesBuilder()
95 .addAugmentation(TopologyTypes1.class, new TopologyTypes1Builder()
96 .setBgpLinkstateTopology(new BgpLinkstateTopologyBuilder().build()).build()).build();
98 private static final String UNHANDLED_OBJECT_CLASS = "Unhandled object class {}";
100 private static final class TpHolder {
101 private final Set<LinkId> local = new HashSet<>();
102 private final Set<LinkId> remote = new HashSet<>();
104 private final TerminationPoint tp;
106 private TpHolder(final TerminationPoint tp) {
107 this.tp = requireNonNull(tp);
110 private synchronized void addLink(final LinkId id, final boolean isRemote) {
118 private synchronized boolean removeLink(final LinkId id, final boolean isRemote) {
119 final boolean removed;
121 removed = this.remote.remove(id);
123 removed = this.local.remove(id);
126 LOG.warn("Removed non-reference link {} from TP {} isRemote {}", this.tp.getTpId(), id, isRemote);
129 return this.local.isEmpty() && this.remote.isEmpty();
132 private TerminationPoint getTp() {
137 private final class NodeHolder {
138 private final Map<PrefixKey, Prefix> prefixes = new HashMap<>();
139 private final Map<TpId, TpHolder> tps = new HashMap<>();
140 private boolean advertized = false;
141 private IgpNodeAttributesBuilder inab;
142 private NodeBuilder nb;
144 private NodeHolder(final NodeId id) {
145 this.inab = new IgpNodeAttributesBuilder();
146 this.nb = new NodeBuilder().withKey(new NodeKey(id)).setNodeId(id);
150 * Synchronized in-core state of a node into the backing store using the transaction.
152 * @param trans data modification transaction which to use
153 * @return True if the node has been purged, false otherwise.
155 private boolean syncState(final WriteTransaction trans) {
156 final InstanceIdentifier<Node> nid = getNodeInstanceIdentifier(this.nb.key());
159 * Transaction's putOperationalData() does a merge. Force it onto a replace
160 * by removing the data. If we decide to remove the node -- we just skip the put.
162 trans.delete(LogicalDatastoreType.OPERATIONAL, nid);
164 if (!this.advertized) {
165 if (this.tps.isEmpty() && this.prefixes.isEmpty()) {
166 LOG.trace("Removing unadvertized unused node {}", this.nb.getNodeId());
170 LOG.trace("Node {} is still implied by {} TPs and {} prefixes", this.nb.getNodeId(), this.tps.size(),
171 this.prefixes.size());
174 // Re-generate termination points
175 this.nb.setTerminationPoint(Lists.newArrayList(Collections2.transform(this.tps.values(), TpHolder::getTp)));
177 // Re-generate prefixes
178 this.inab.setPrefix(Lists.newArrayList(this.prefixes.values()));
180 // Write the node out
181 final Node n = this.nb.addAugmentation(Node1.class, new Node1Builder()
182 .setIgpNodeAttributes(this.inab.build()).build()).build();
183 trans.put(LogicalDatastoreType.OPERATIONAL, nid, n);
184 LOG.trace("Created node {} at {}", n, nid);
188 private boolean checkForRemoval(final WriteTransaction trans) {
189 final InstanceIdentifier<Node> nid = getNodeInstanceIdentifier(this.nb.key());
191 if (!this.advertized) {
192 if (this.tps.isEmpty() && this.prefixes.isEmpty()) {
193 trans.delete(LogicalDatastoreType.OPERATIONAL, nid);
194 LOG.trace("Removing unadvertized unused node {}", this.nb.getNodeId());
198 LOG.trace("Node {} is still implied by {} TPs and {} prefixes", this.nb.getNodeId(),
199 this.tps.size(), this.prefixes.size());
204 private synchronized void removeTp(final TpId tp, final LinkId link, final boolean isRemote) {
205 final TpHolder h = this.tps.get(tp);
207 if (h.removeLink(link, isRemote)) {
209 LOG.trace("Removed TP {}", tp);
212 LOG.warn("Removed non-present TP {} by link {}", tp, link);
216 private void addTp(final TerminationPoint tp, final LinkId link, final boolean isRemote) {
217 final TpHolder h = this.tps.computeIfAbsent(tp.getTpId(), k -> new TpHolder(tp));
218 h.addLink(link, isRemote);
221 private void addPrefix(final Prefix pfx) {
222 this.prefixes.put(pfx.key(), pfx);
225 private void removePrefix(final PrefixCase prefixCase) {
226 this.prefixes.remove(new PrefixKey(prefixCase.getPrefixDescriptors().getIpReachabilityInformation()));
229 private void unadvertized() {
230 this.inab = new IgpNodeAttributesBuilder();
231 this.nb = new NodeBuilder().withKey(this.nb.key()).setNodeId(this.nb.getNodeId());
232 this.advertized = false;
233 LOG.debug("Node {} is unadvertized", this.nb.getNodeId());
236 private void advertized(final NodeBuilder nodeBuilder, final IgpNodeAttributesBuilder igpNodeAttBuilder) {
237 this.nb = requireNonNull(nodeBuilder);
238 this.inab = requireNonNull(igpNodeAttBuilder);
239 this.advertized = true;
240 LOG.debug("Node {} is advertized", nodeBuilder.getNodeId());
243 private NodeId getNodeId() {
244 return this.nb.getNodeId();
248 private static final Logger LOG = LoggerFactory.getLogger(LinkstateTopologyBuilder.class);
249 private final Map<NodeId, NodeHolder> nodes = new HashMap<>();
251 public LinkstateTopologyBuilder(final DataBroker dataProvider, final RibReference locRibReference,
252 final TopologyId topologyId) {
253 super(dataProvider, locRibReference, topologyId, LINKSTATE_TOPOLOGY_TYPE, LinkstateAddressFamily.class,
254 LinkstateSubsequentAddressFamily.class);
258 LinkstateTopologyBuilder(final DataBroker dataProvider, final RibReference locRibReference,
259 final TopologyId topologyId, final long listenerResetLimitInMillsec,
260 final int listenerResetEnforceCounter) {
261 super(dataProvider, locRibReference, topologyId, LINKSTATE_TOPOLOGY_TYPE, LinkstateAddressFamily.class,
262 LinkstateSubsequentAddressFamily.class,
263 listenerResetLimitInMillsec, listenerResetEnforceCounter);
266 private static LinkId buildLinkId(final UriBuilder base, final LinkCase link) {
267 return new LinkId(new UriBuilder(base, "link").add(link).toString());
270 private static NodeId buildNodeId(final UriBuilder base, final org.opendaylight.yang.gen.v1.urn.opendaylight
271 .params.xml.ns.yang.bgp.linkstate.rev180329.NodeIdentifier node) {
272 return new NodeId(new UriBuilder(base, "node").addPrefix("", node).toString());
275 private static TpId buildTpId(final UriBuilder base, final TopologyIdentifier topologyIdentifier,
276 final Ipv4InterfaceIdentifier ipv4InterfaceIdentifier,
277 final Ipv6InterfaceIdentifier ipv6InterfaceIdentifier, final Long id) {
278 final UriBuilder b = new UriBuilder(base, "tp");
279 if (topologyIdentifier != null) {
280 b.add("mt", topologyIdentifier.getValue());
282 if (ipv4InterfaceIdentifier != null) {
283 b.add("ipv4", ipv4InterfaceIdentifier.getValue());
285 if (ipv6InterfaceIdentifier != null) {
286 b.add("ipv6", ipv6InterfaceIdentifier.getValue());
289 return new TpId(b.add("id", id).toString());
292 private static TpId buildLocalTpId(final UriBuilder base, final LinkDescriptors linkDescriptors) {
293 return buildTpId(base, linkDescriptors.getMultiTopologyId(), linkDescriptors.getIpv4InterfaceAddress(),
294 linkDescriptors.getIpv6InterfaceAddress(), linkDescriptors.getLinkLocalIdentifier());
297 private static TerminationPoint buildTp(final TpId id, final TerminationPointType type) {
298 final TerminationPointBuilder stpb = new TerminationPointBuilder();
299 stpb.withKey(new TerminationPointKey(id));
303 stpb.addAugmentation(TerminationPoint1.class, new TerminationPoint1Builder()
304 .setIgpTerminationPointAttributes(
305 new IgpTerminationPointAttributesBuilder().setTerminationPointType(type).build()).build());
311 private static TerminationPointType getTpType(final Ipv4InterfaceIdentifier ipv4InterfaceIdentifier,
312 final Ipv6InterfaceIdentifier ipv6InterfaceIdentifier, final Long id) {
313 // Order of preference: Unnumbered first, then IP
315 LOG.debug("Unnumbered termination point type: {}", id);
316 return new UnnumberedBuilder().setUnnumberedId(id).build();
320 if (ipv6InterfaceIdentifier != null) {
321 ip = new IpAddress(ipv6InterfaceIdentifier);
322 } else if (ipv4InterfaceIdentifier != null) {
323 ip = new IpAddress(ipv4InterfaceIdentifier);
329 LOG.debug("IP termination point type: {}", ip);
330 return new IpBuilder().setIpAddress(Lists.newArrayList(ip)).build();
336 private static TerminationPoint buildLocalTp(final UriBuilder base, final LinkDescriptors linkDescriptors) {
337 final TpId id = buildLocalTpId(base, linkDescriptors);
338 final TerminationPointType t = getTpType(linkDescriptors.getIpv4InterfaceAddress(),
339 linkDescriptors.getIpv6InterfaceAddress(),
340 linkDescriptors.getLinkLocalIdentifier());
342 return buildTp(id, t);
345 private static TpId buildRemoteTpId(final UriBuilder base, final LinkDescriptors linkDescriptors) {
346 return buildTpId(base, linkDescriptors.getMultiTopologyId(), linkDescriptors.getIpv4NeighborAddress(),
347 linkDescriptors.getIpv6NeighborAddress(), linkDescriptors.getLinkRemoteIdentifier());
350 private static TerminationPoint buildRemoteTp(final UriBuilder base, final LinkDescriptors linkDescriptors) {
351 final TpId id = buildRemoteTpId(base, linkDescriptors);
352 final TerminationPointType t = getTpType(linkDescriptors.getIpv4NeighborAddress(),
353 linkDescriptors.getIpv6NeighborAddress(),
354 linkDescriptors.getLinkRemoteIdentifier());
356 return buildTp(id, t);
359 private InstanceIdentifier<Link> buildLinkIdentifier(final LinkId id) {
360 return getInstanceIdentifier().child(
361 org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology
362 .topology.Link.class, new LinkKey(id));
365 private NodeHolder getNode(final NodeId id) {
366 if (this.nodes.containsKey(id)) {
367 LOG.debug("Node {} is already present", id);
368 return this.nodes.get(id);
371 final NodeHolder ret = new NodeHolder(id);
372 this.nodes.put(id, ret);
376 private void putNode(final WriteTransaction trans, final NodeHolder holder) {
377 if (holder.syncState(trans)) {
378 this.nodes.remove(holder.getNodeId());
382 private void checkNodeForRemoval(final WriteTransaction trans, final NodeHolder holder) {
383 if (holder.checkForRemoval(trans)) {
384 this.nodes.remove(holder.getNodeId());
388 private void createLink(final WriteTransaction trans, final UriBuilder base,
389 final LinkstateRoute value, final LinkCase linkCase, final Attributes attributes) {
391 final LinkAttributes la;
392 final Attributes1 attr = attributes.augmentation(Attributes1.class);
394 final LinkStateAttribute attrType = attr.getLinkStateAttribute();
395 if (attrType != null) {
396 la = ((LinkAttributesCase)attrType).getLinkAttributes();
398 LOG.debug("Missing attribute type in link {} route {}, skipping it", linkCase, value);
402 LOG.debug("Missing attributes in link {} route {}, skipping it", linkCase, value);
406 final IgpLinkAttributesBuilder ilab = new IgpLinkAttributesBuilder();
408 if (la.getMetric() != null) {
409 ilab.setMetric(la.getMetric().getValue());
411 ilab.setName(la.getLinkName());
413 ProtocolUtil.augmentProtocolId(value, ilab, la, linkCase.getLinkDescriptors());
415 final LinkBuilder lb = new LinkBuilder();
416 lb.setLinkId(buildLinkId(base, linkCase));
417 lb.addAugmentation(Link1.class, new Link1Builder().setIgpLinkAttributes(ilab.build()).build());
419 final NodeId srcNode = buildNodeId(base, linkCase.getLocalNodeDescriptors());
420 LOG.trace("Link {} implies source node {}", linkCase, srcNode);
422 final NodeId dstNode = buildNodeId(base, linkCase.getRemoteNodeDescriptors());
423 LOG.trace("Link {} implies destination node {}", linkCase, dstNode);
425 final TerminationPoint srcTp = buildLocalTp(base, linkCase.getLinkDescriptors());
426 LOG.trace("Link {} implies source TP {}", linkCase, srcTp);
428 final TerminationPoint dstTp = buildRemoteTp(base, linkCase.getLinkDescriptors());
429 LOG.trace("Link {} implies destination TP {}", linkCase, dstTp);
431 lb.setSource(new SourceBuilder().setSourceNode(srcNode).setSourceTp(srcTp.getTpId()).build());
432 lb.setDestination(new DestinationBuilder().setDestNode(dstNode).setDestTp(dstTp.getTpId()).build());
434 LOG.trace("Created TP {} as link source", srcTp);
435 NodeHolder snh = this.nodes.get(srcNode);
437 snh = getNode(srcNode);
438 snh.addTp(srcTp, lb.getLinkId(), false);
441 snh.addTp(srcTp, lb.getLinkId(), false);
442 final InstanceIdentifier<Node> nid = getNodeInstanceIdentifier(new NodeKey(snh.getNodeId()));
443 trans.put(LogicalDatastoreType.OPERATIONAL, nid.child(TerminationPoint.class, srcTp.key()), srcTp);
446 LOG.debug("Created TP {} as link destination", dstTp);
447 NodeHolder dnh = this.nodes.get(dstNode);
449 dnh = getNode(dstNode);
450 dnh.addTp(dstTp, lb.getLinkId(), true);
453 dnh.addTp(dstTp, lb.getLinkId(), true);
454 final InstanceIdentifier<Node> nid = getInstanceIdentifier().child(
455 org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network
456 .topology.topology.Node.class, new NodeKey(dnh.getNodeId()));
457 trans.put(LogicalDatastoreType.OPERATIONAL, nid.child(TerminationPoint.class, dstTp.key()), dstTp);
460 final InstanceIdentifier<Link> lid = buildLinkIdentifier(lb.getLinkId());
461 final Link link = lb.build();
463 trans.put(LogicalDatastoreType.OPERATIONAL, lid, link);
464 LOG.debug("Created link {} at {} for {}", link, lid, linkCase);
467 private void removeTp(final WriteTransaction trans, final NodeId node, final TpId tp,
468 final LinkId link, final boolean isRemote) {
469 final NodeHolder nh = this.nodes.get(node);
471 final InstanceIdentifier<Node> nid = getNodeInstanceIdentifier(new NodeKey(nh.getNodeId()));
472 trans.delete(LogicalDatastoreType.OPERATIONAL, nid.child(TerminationPoint.class,
473 new TerminationPointKey(tp)));
474 nh.removeTp(tp, link, isRemote);
475 checkNodeForRemoval(trans, nh);
477 LOG.warn("Removed non-existent node {}", node);
481 private void removeLink(final WriteTransaction trans, final UriBuilder base, final LinkCase linkCase) {
482 final LinkId id = buildLinkId(base, linkCase);
483 final InstanceIdentifier<?> lid = buildLinkIdentifier(id);
484 trans.delete(LogicalDatastoreType.OPERATIONAL, lid);
485 LOG.debug("Removed link {}", lid);
487 removeTp(trans, buildNodeId(base, linkCase.getLocalNodeDescriptors()),
488 buildLocalTpId(base, linkCase.getLinkDescriptors()), id, false);
489 removeTp(trans, buildNodeId(base, linkCase.getRemoteNodeDescriptors()),
490 buildRemoteTpId(base, linkCase.getLinkDescriptors()), id, true);
493 private void createNode(final WriteTransaction trans, final UriBuilder base,
494 final LinkstateRoute value, final NodeCase nodeCase, final Attributes attributes) {
495 final NodeAttributes na;
497 final Attributes1 attr = attributes.augmentation(Attributes1.class);
499 final LinkStateAttribute attrType = attr.getLinkStateAttribute();
500 if (attrType != null) {
501 na = ((NodeAttributesCase)attrType).getNodeAttributes();
503 LOG.debug("Missing attribute type in node {} route {}, skipping it", nodeCase, value);
507 LOG.debug("Missing attributes in node {} route {}, skipping it", nodeCase, value);
510 final IgpNodeAttributesBuilder inab = new IgpNodeAttributesBuilder();
511 final List<IpAddress> ids = new ArrayList<>();
513 if (na.getIpv4RouterId() != null) {
514 ids.add(new IpAddress(na.getIpv4RouterId()));
516 if (na.getIpv6RouterId() != null) {
517 ids.add(new IpAddress(na.getIpv6RouterId()));
519 if (na.getDynamicHostname() != null) {
520 inab.setName(new DomainName(na.getDynamicHostname()));
523 if (!ids.isEmpty()) {
524 inab.setRouterId(ids);
526 ProtocolUtil.augmentProtocolId(value, inab, na, nodeCase.getNodeDescriptors());
528 final NodeId nid = buildNodeId(base, nodeCase.getNodeDescriptors());
529 final NodeHolder nh = getNode(nid);
531 * Eventhough the the holder creates a dummy structure, we need to duplicate it here,
532 * as that is the API requirement. The reason for it is the possible presence of supporting
533 * node -- something which the holder does not track.
535 final NodeBuilder nb = new NodeBuilder();
537 nb.withKey(new NodeKey(nb.getNodeId()));
539 nh.advertized(nb, inab);
543 private void removeNode(final WriteTransaction trans, final UriBuilder base, final NodeCase nodeCase) {
544 final NodeId id = buildNodeId(base, nodeCase.getNodeDescriptors());
545 final NodeHolder nh = this.nodes.get(id);
550 LOG.warn("Node {} does not have a holder", id);
554 private void createPrefix(final WriteTransaction trans, final UriBuilder base,
555 final LinkstateRoute value, final PrefixCase prefixCase, final Attributes attributes) {
556 final IpPrefix ippfx = prefixCase.getPrefixDescriptors().getIpReachabilityInformation();
558 LOG.warn("IP reachability not present in prefix {} route {}, skipping it", prefixCase, value);
561 final PrefixBuilder pb = new PrefixBuilder();
562 final PrefixKey pk = new PrefixKey(ippfx);
566 final PrefixAttributes pa;
567 // Very defensive lookup
568 final Attributes1 attr = attributes.augmentation(Attributes1.class);
570 final LinkStateAttribute attrType = attr.getLinkStateAttribute();
571 if (attrType != null) {
572 pa = ((PrefixAttributesCase)attrType).getPrefixAttributes();
574 LOG.debug("Missing attribute type in IP {} prefix {} route {}, skipping it", ippfx, prefixCase, value);
578 LOG.debug("Missing attributes in IP {} prefix {} route {}, skipping it", ippfx, prefixCase, value);
581 if (pa != null && pa.getPrefixMetric() != null) {
582 pb.setMetric(pa.getPrefixMetric().getValue());
584 ProtocolUtil.augmentProtocolId(value, pa, pb);
586 final Prefix pfx = pb.build();
587 LOG.debug("Created prefix {} for {}", pfx, prefixCase);
590 * All set, but... the hosting node may not exist, we may need to fake it.
592 final NodeId node = buildNodeId(base, prefixCase.getAdvertisingNodeDescriptors());
593 NodeHolder nh = this.nodes.get(node);
600 final InstanceIdentifier<Node> nid = getNodeInstanceIdentifier(new NodeKey(nh.getNodeId()));
601 final InstanceIdentifier<IgpNodeAttributes> inaId = nid.builder().augmentation(Node1.class)
602 .child(IgpNodeAttributes.class).build();
603 trans.put(LogicalDatastoreType.OPERATIONAL, inaId.child(Prefix.class, pk), pfx);
607 private void removePrefix(final WriteTransaction trans, final UriBuilder base, final PrefixCase prefixCase) {
608 final NodeId node = buildNodeId(base, prefixCase.getAdvertisingNodeDescriptors());
609 final NodeHolder nh = this.nodes.get(node);
611 LOG.debug("Removed prefix {}", prefixCase);
612 final InstanceIdentifier<Node> nid = getNodeInstanceIdentifier(new NodeKey(nh.getNodeId()));
613 final InstanceIdentifier<IgpNodeAttributes> inaId = nid.builder().augmentation(Node1.class)
614 .child(IgpNodeAttributes.class).build();
615 final IpPrefix ippfx = prefixCase.getPrefixDescriptors().getIpReachabilityInformation();
617 LOG.warn("IP reachability not present in prefix {}, skipping it", prefixCase);
620 final PrefixKey pk = new PrefixKey(ippfx);
621 trans.delete(LogicalDatastoreType.OPERATIONAL, inaId.child(Prefix.class, pk));
622 nh.removePrefix(prefixCase);
623 checkNodeForRemoval(trans, nh);
625 LOG.warn("Removing prefix from non-existing node {}", node);
629 private InstanceIdentifier<Node> getNodeInstanceIdentifier(final NodeKey nodeKey) {
630 return getInstanceIdentifier().child(
631 org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network
632 .topology.topology.Node.class, nodeKey);
636 protected void createObject(final ReadWriteTransaction trans,
637 final InstanceIdentifier<LinkstateRoute> id, final LinkstateRoute value) {
638 final UriBuilder base = new UriBuilder(value);
640 final ObjectType t = value.getObjectType();
641 Preconditions.checkArgument(t != null, "Route %s value %s has null object type", id, value);
643 if (t instanceof LinkCase) {
644 createLink(trans, base, value, (LinkCase) t, value.getAttributes());
645 } else if (t instanceof NodeCase) {
646 createNode(trans, base, value, (NodeCase) t, value.getAttributes());
647 } else if (t instanceof PrefixCase) {
648 createPrefix(trans, base, value, (PrefixCase) t, value.getAttributes());
650 LOG.debug(UNHANDLED_OBJECT_CLASS, t.getImplementedInterface());
655 protected void removeObject(final ReadWriteTransaction trans,
656 final InstanceIdentifier<LinkstateRoute> id, final LinkstateRoute value) {
658 LOG.error("Empty before-data received in delete data change notification for instance id {}", id);
662 final UriBuilder base = new UriBuilder(value);
664 final ObjectType t = value.getObjectType();
665 if (t instanceof LinkCase) {
666 removeLink(trans, base, (LinkCase) t);
667 } else if (t instanceof NodeCase) {
668 removeNode(trans, base, (NodeCase) t);
669 } else if (t instanceof PrefixCase) {
670 removePrefix(trans, base, (PrefixCase) t);
672 LOG.debug(UNHANDLED_OBJECT_CLASS, t.getImplementedInterface());
677 protected InstanceIdentifier<LinkstateRoute> getRouteWildcard(final InstanceIdentifier<Tables> tablesId) {
678 return tablesId.child(LinkstateRoutesCase.class, LinkstateRoutes.class).child(LinkstateRoute.class);
682 protected void clearTopology() {