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.pcep.tunnel.provider;
10 import static java.util.Objects.requireNonNull;
12 import com.google.common.base.Optional;
13 import com.google.common.base.Preconditions;
14 import com.google.common.collect.Lists;
15 import com.google.common.util.concurrent.FutureCallback;
16 import com.google.common.util.concurrent.Futures;
17 import com.google.common.util.concurrent.JdkFutureAdapters;
18 import com.google.common.util.concurrent.MoreExecutors;
19 import java.util.ArrayList;
20 import java.util.Collection;
21 import java.util.HashMap;
22 import java.util.HashSet;
23 import java.util.List;
26 import org.opendaylight.controller.md.sal.binding.api.ClusteredDataTreeChangeListener;
27 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
28 import org.opendaylight.controller.md.sal.binding.api.DataObjectModification;
29 import org.opendaylight.controller.md.sal.binding.api.DataTreeModification;
30 import org.opendaylight.controller.md.sal.binding.api.ReadWriteTransaction;
31 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
32 import org.opendaylight.controller.md.sal.common.api.data.ReadFailedException;
33 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.IpAddress;
34 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.AdministrativeStatus;
35 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.Path1;
36 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.lsp.identifiers.tlv.lsp.identifiers.AddressFamily;
37 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.lsp.identifiers.tlv.lsp.identifiers.address.family.Ipv4Case;
38 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.lsp.identifiers.tlv.lsp.identifiers.address.family.Ipv6Case;
39 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.lsp.identifiers.tlv.lsp.identifiers.address.family.ipv4._case.Ipv4;
40 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.lsp.identifiers.tlv.lsp.identifiers.address.family.ipv6._case.Ipv6;
41 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.pcep.rev131024.Node1;
42 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.pcep.rev131024.pcep.client.attributes.PathComputationClient;
43 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.pcep.rev131024.pcep.client.attributes.path.computation.client.ReportedLsp;
44 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.pcep.rev131024.pcep.client.attributes.path.computation.client.reported.lsp.Path;
45 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.tunnel.pcep.rev130820.Link1;
46 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.tunnel.pcep.rev130820.Link1Builder;
47 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.tunnel.pcep.rev130820.SupportingNode1;
48 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.tunnel.pcep.rev130820.SupportingNode1Builder;
49 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.tunnel.pcep.rev130820.tunnel.pcep.supporting.node.attributes.PathComputationClientBuilder;
50 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.LinkId;
51 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NodeId;
52 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.TopologyId;
53 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.TpId;
54 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.link.attributes.DestinationBuilder;
55 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.link.attributes.SourceBuilder;
56 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.Topology;
57 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Link;
58 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.LinkBuilder;
59 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.LinkKey;
60 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
61 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.NodeBuilder;
62 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.NodeKey;
63 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.node.TerminationPoint;
64 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.node.TerminationPointBuilder;
65 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.node.TerminationPointKey;
66 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.node.attributes.SupportingNode;
67 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.node.attributes.SupportingNodeBuilder;
68 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.node.attributes.SupportingNodeKey;
69 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.nt.l3.unicast.igp.topology.rev131021.TerminationPoint1;
70 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.nt.l3.unicast.igp.topology.rev131021.TerminationPoint1Builder;
71 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.nt.l3.unicast.igp.topology.rev131021.igp.termination.point.attributes.IgpTerminationPointAttributesBuilder;
72 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;
73 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.Ip;
74 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;
75 import org.opendaylight.yangtools.yang.binding.DataObject;
76 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
77 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier.PathArgument;
78 import org.slf4j.Logger;
79 import org.slf4j.LoggerFactory;
81 public final class NodeChangedListener implements ClusteredDataTreeChangeListener<Node> {
82 private static final Logger LOG = LoggerFactory.getLogger(NodeChangedListener.class);
83 private final InstanceIdentifier<Topology> target;
84 private final DataBroker dataProvider;
85 private final TopologyId source;
87 NodeChangedListener(final DataBroker dataProvider, final TopologyId source, final InstanceIdentifier<Topology> target) {
88 this.dataProvider = requireNonNull(dataProvider);
89 this.target = requireNonNull(target);
90 this.source = requireNonNull(source);
93 private static void categorizeIdentifier(final InstanceIdentifier<?> i, final Set<InstanceIdentifier<ReportedLsp>> changedLsps,
94 final Set<InstanceIdentifier<Node>> changedNodes) {
95 final InstanceIdentifier<ReportedLsp> li = i.firstIdentifierOf(ReportedLsp.class);
97 final InstanceIdentifier<Node> ni = i.firstIdentifierOf(Node.class);
99 LOG.warn("Ignoring uncategorized identifier {}", i);
101 changedNodes.add(ni);
108 private static void enumerateLsps(final InstanceIdentifier<Node> id, final Node node, final Set<InstanceIdentifier<ReportedLsp>> lsps) {
110 LOG.trace("Skipping null node", id);
113 final Node1 pccnode = node.getAugmentation(Node1.class);
114 if (pccnode == null) {
115 LOG.trace("Skipping non-PCEP-enabled node {}", id);
119 for (final ReportedLsp l : pccnode.getPathComputationClient().getReportedLsp()) {
120 lsps.add(id.builder().augmentation(Node1.class).child(PathComputationClient.class).child(ReportedLsp.class, l.getKey()).build());
124 private static LinkId linkIdForLsp(final InstanceIdentifier<ReportedLsp> i, final ReportedLsp lsp) {
125 return new LinkId(i.firstKeyOf(Node.class, NodeKey.class).getNodeId().getValue() + "/lsps/" + lsp.getName());
128 private InstanceIdentifier<Link> linkForLsp(final LinkId linkId) {
129 return this.target.child(Link.class, new LinkKey(linkId));
132 private SupportingNode createSupportingNode(final NodeId sni, final Boolean inControl) {
133 final SupportingNodeKey sk = new SupportingNodeKey(sni, this.source);
134 final SupportingNodeBuilder snb = new SupportingNodeBuilder();
137 snb.addAugmentation(SupportingNode1.class, new SupportingNode1Builder().setPathComputationClient(
138 new PathComputationClientBuilder().setControlling(inControl).build()).build());
143 private void handleSni(final InstanceIdentifier<Node> sni, final Node n, final Boolean inControl, final ReadWriteTransaction trans) {
145 final NodeKey k = InstanceIdentifier.keyOf(sni);
146 boolean have = false;
148 * We may have found a termination point which has been created as a destination,
149 * so it does not have a supporting node pointer. Since we now know what it is,
152 if (n.getSupportingNode() != null) {
153 for (final SupportingNode sn : n.getSupportingNode()) {
154 if (sn.getNodeRef().equals(k.getNodeId())) {
161 final SupportingNode sn = createSupportingNode(k.getNodeId(), inControl);
162 trans.put(LogicalDatastoreType.OPERATIONAL, this.target.child(Node.class, n.getKey()).child(
163 SupportingNode.class, sn.getKey()), sn);
168 private InstanceIdentifier<TerminationPoint> getIpTerminationPoint(final ReadWriteTransaction trans, final IpAddress addr,
169 final InstanceIdentifier<Node> sni, final Boolean inControl) throws ReadFailedException {
170 final Topology topo = trans.read(LogicalDatastoreType.OPERATIONAL, this.target).checkedGet().get();
171 if (topo.getNode() != null) {
172 for (final Node n : topo.getNode()) {
173 if(n.getTerminationPoint() != null) {
174 for (final TerminationPoint tp : n.getTerminationPoint()) {
175 final TerminationPoint1 tpa = tp.getAugmentation(TerminationPoint1.class);
177 final TerminationPointType tpt = tpa.getIgpTerminationPointAttributes().getTerminationPointType();
178 if (tpt instanceof Ip) {
179 for (final IpAddress a : ((Ip) tpt).getIpAddress()) {
180 if (addr.equals(a)) {
181 handleSni(sni, n, inControl, trans);
182 return this.target.builder().child(Node.class, n.getKey()).child(TerminationPoint.class, tp.getKey()).build();
186 LOG.debug("Ignoring termination point type {}", tpt);
193 LOG.debug("Termination point for {} not found, creating a new one", addr);
194 return createTP(addr, sni, inControl, trans);
197 private InstanceIdentifier<TerminationPoint> createTP(final IpAddress addr, final InstanceIdentifier<Node> sni,
198 final Boolean inControl, final ReadWriteTransaction trans) {
199 final String url = "ip://" + addr.toString();
200 final TerminationPointKey tpk = new TerminationPointKey(new TpId(url));
201 final TerminationPointBuilder tpb = new TerminationPointBuilder();
202 tpb.setKey(tpk).setTpId(tpk.getTpId());
203 tpb.addAugmentation(TerminationPoint1.class, new TerminationPoint1Builder().setIgpTerminationPointAttributes(
204 new IgpTerminationPointAttributesBuilder().setTerminationPointType(
205 new IpBuilder().setIpAddress(Lists.newArrayList(addr)).build()).build()).build());
207 final NodeKey nk = new NodeKey(new NodeId(url));
208 final NodeBuilder nb = new NodeBuilder();
209 nb.setKey(nk).setNodeId(nk.getNodeId());
210 nb.setTerminationPoint(Lists.newArrayList(tpb.build()));
212 nb.setSupportingNode(Lists.newArrayList(createSupportingNode(InstanceIdentifier.keyOf(sni).getNodeId(), inControl)));
214 final InstanceIdentifier<Node> nid = this.target.child(Node.class, nb.getKey());
215 trans.put(LogicalDatastoreType.OPERATIONAL, nid, nb.build());
216 return nid.child(TerminationPoint.class, tpb.getKey());
219 private void create(final ReadWriteTransaction trans, final InstanceIdentifier<ReportedLsp> i, final ReportedLsp value) throws ReadFailedException {
220 final InstanceIdentifier<Node> ni = i.firstIdentifierOf(Node.class);
222 final Path1 rl = value.getPath().get(0).getAugmentation(Path1.class);
224 final AddressFamily af = rl.getLsp().getTlvs().getLspIdentifiers().getAddressFamily();
227 * We are trying to ensure we have source and destination nodes.
229 final IpAddress srcIp, dstIp;
230 if (af instanceof Ipv4Case) {
231 final Ipv4 ipv4 = ((Ipv4Case) af).getIpv4();
232 srcIp = new IpAddress(ipv4.getIpv4TunnelSenderAddress());
233 dstIp = new IpAddress(ipv4.getIpv4TunnelEndpointAddress());
234 } else if (af instanceof Ipv6Case) {
235 final Ipv6 ipv6 = ((Ipv6Case) af).getIpv6();
236 srcIp = new IpAddress(ipv6.getIpv6TunnelSenderAddress());
237 dstIp = new IpAddress(ipv6.getIpv6TunnelSenderAddress());
239 throw new IllegalArgumentException("Unsupported address family: " + af.getImplementedInterface());
242 final Path path0 = value.getPath().get(0);
243 final Link1Builder lab = new Link1Builder();
244 if (path0.getBandwidth() != null) {
245 lab.setBandwidth(path0.getBandwidth().getBandwidth());
247 if (path0.getClassType() != null) {
248 lab.setClassType(path0.getClassType().getClassType());
250 lab.setSymbolicPathName(value.getName());
252 final InstanceIdentifier<TerminationPoint> dst = getIpTerminationPoint(trans, dstIp, null, Boolean.FALSE);
253 final InstanceIdentifier<TerminationPoint> src = getIpTerminationPoint(trans, srcIp, ni, rl.getLsp().isDelegate());
255 final org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.Link1Builder slab = new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.Link1Builder();
256 slab.setOperationalStatus(rl.getLsp().getOperational());
257 slab.setAdministrativeStatus(rl.getLsp().isAdministrative() ? AdministrativeStatus.Active : AdministrativeStatus.Inactive);
259 final LinkId id = linkIdForLsp(i, value);
260 final LinkBuilder lb = new LinkBuilder();
263 lb.setSource(new SourceBuilder().setSourceNode(src.firstKeyOf(Node.class, NodeKey.class).getNodeId()).setSourceTp(
264 src.firstKeyOf(TerminationPoint.class, TerminationPointKey.class).getTpId()).build());
265 lb.setDestination(new DestinationBuilder().setDestNode(dst.firstKeyOf(Node.class, NodeKey.class).getNodeId()).setDestTp(
266 dst.firstKeyOf(TerminationPoint.class, TerminationPointKey.class).getTpId()).build());
267 lb.addAugmentation(Link1.class, lab.build());
268 lb.addAugmentation(org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.Link1.class,
271 trans.put(LogicalDatastoreType.OPERATIONAL, linkForLsp(id), lb.build());
274 private InstanceIdentifier<TerminationPoint> tpIdentifier(final NodeId node, final TpId tp) {
275 return this.target.builder().child(Node.class, new NodeKey(node)).child(TerminationPoint.class, new TerminationPointKey(tp)).build();
278 private InstanceIdentifier<Node> nodeIdentifier(final NodeId node) {
279 return this.target.child(Node.class, new NodeKey(node));
282 private void remove(final ReadWriteTransaction trans, final InstanceIdentifier<ReportedLsp> i, final ReportedLsp value) throws ReadFailedException {
283 final InstanceIdentifier<Link> li = linkForLsp(linkIdForLsp(i, value));
285 final Optional<Link> ol = trans.read(LogicalDatastoreType.OPERATIONAL, li).checkedGet();
286 if (!ol.isPresent()) {
290 final Link l = ol.get();
291 LOG.debug("Removing link {} (was {})", li, l);
292 trans.delete(LogicalDatastoreType.OPERATIONAL, li);
294 LOG.debug("Searching for orphan links/nodes");
295 final Optional<Topology> ot = trans.read(LogicalDatastoreType.OPERATIONAL, this.target).checkedGet();
296 Preconditions.checkState(ot.isPresent());
298 final Topology t = ot.get();
299 final NodeId srcNode = l.getSource().getSourceNode();
300 final NodeId dstNode = l.getDestination().getDestNode();
301 final TpId srcTp = l.getSource().getSourceTp();
302 final TpId dstTp = l.getDestination().getDestTp();
304 boolean orphSrcNode = true, orphDstNode = true, orphDstTp = true, orphSrcTp = true;
305 for (final Link lw : t.getLink()) {
306 LOG.trace("Checking link {}", lw);
308 final NodeId sn = lw.getSource().getSourceNode();
309 final NodeId dn = lw.getDestination().getDestNode();
310 final TpId st = lw.getSource().getSourceTp();
311 final TpId dt = lw.getDestination().getDestTp();
313 // Source node checks
314 if (srcNode.equals(sn)) {
316 LOG.debug("Node {} held by source of link {}", srcNode, lw);
319 if (orphSrcTp && srcTp.equals(st)) {
320 LOG.debug("TP {} held by source of link {}", srcTp, lw);
324 if (srcNode.equals(dn)) {
326 LOG.debug("Node {} held by destination of link {}", srcNode, lw);
329 if (orphSrcTp && srcTp.equals(dt)) {
330 LOG.debug("TP {} held by destination of link {}", srcTp, lw);
335 // Destination node checks
336 if (dstNode.equals(sn)) {
338 LOG.debug("Node {} held by source of link {}", dstNode, lw);
341 if (orphDstTp && dstTp.equals(st)) {
342 LOG.debug("TP {} held by source of link {}", dstTp, lw);
346 if (dstNode.equals(dn)) {
348 LOG.debug("Node {} held by destination of link {}", dstNode, lw);
351 if (orphDstTp && dstTp.equals(dt)) {
352 LOG.debug("TP {} held by destination of link {}", dstTp, lw);
358 if (orphSrcNode && !orphSrcTp) {
359 LOG.warn("Orphan source node {} but not TP {}, retaining the node", srcNode, srcTp);
362 if (orphDstNode && !orphDstTp) {
363 LOG.warn("Orphan destination node {} but not TP {}, retaining the node", dstNode, dstTp);
368 LOG.debug("Removing orphan node {}", srcNode);
369 trans.delete(LogicalDatastoreType.OPERATIONAL, nodeIdentifier(srcNode));
370 } else if (orphSrcTp) {
371 LOG.debug("Removing orphan TP {} on node {}", srcTp, srcNode);
372 trans.delete(LogicalDatastoreType.OPERATIONAL, tpIdentifier(srcNode, srcTp));
375 LOG.debug("Removing orphan node {}", dstNode);
376 trans.delete(LogicalDatastoreType.OPERATIONAL, nodeIdentifier(dstNode));
377 } else if (orphDstTp) {
378 LOG.debug("Removing orphan TP {} on node {}", dstTp, dstNode);
379 trans.delete(LogicalDatastoreType.OPERATIONAL, tpIdentifier(dstNode, dstTp));
384 public void onDataTreeChanged(final Collection<DataTreeModification<Node>> changes) {
385 final ReadWriteTransaction trans = this.dataProvider.newReadWriteTransaction();
387 final Set<InstanceIdentifier<ReportedLsp>> lsps = new HashSet<>();
388 final Set<InstanceIdentifier<Node>> nodes = new HashSet<>();
390 final Map<InstanceIdentifier<?>, DataObject> original = new HashMap<>();
391 final Map<InstanceIdentifier<?>, DataObject> updated = new HashMap<>();
392 final Map<InstanceIdentifier<?>, DataObject> created = new HashMap<>();
394 for (final DataTreeModification<?> change : changes) {
395 final InstanceIdentifier<?> iid = change.getRootPath().getRootIdentifier();
396 final DataObjectModification<?> rootNode = change.getRootNode();
397 handleChangedNode(rootNode, iid, lsps, nodes, original, updated, created);
400 // Now walk all nodes, check for removals/additions and cascade them to LSPs
401 for (final InstanceIdentifier<Node> iid : nodes) {
402 enumerateLsps(iid, (Node) original.get(iid), lsps);
403 enumerateLsps(iid, (Node) updated.get(iid), lsps);
404 enumerateLsps(iid, (Node) created.get(iid), lsps);
407 // We now have list of all affected LSPs. Walk them create/remove them
408 updateTransaction(trans, lsps, original, updated, created);
410 Futures.addCallback(JdkFutureAdapters.listenInPoolThread(trans.submit()), new FutureCallback<Void>() {
412 public void onSuccess(final Void result) {
413 LOG.trace("Topology change committed successfully");
417 public void onFailure(final Throwable t) {
418 LOG.error("Failed to propagate a topology change, target topology became inconsistent", t);
420 }, MoreExecutors.directExecutor());
423 private void handleChangedNode(final DataObjectModification<?> changedNode, final InstanceIdentifier<?> iid,
424 final Set<InstanceIdentifier<ReportedLsp>> lsps, final Set<InstanceIdentifier<Node>> nodes,
425 final Map<InstanceIdentifier<?>, DataObject> original, final Map<InstanceIdentifier<?>, DataObject> updated,
426 final Map<InstanceIdentifier<?>, DataObject> created) {
428 // Categorize reported identifiers
429 categorizeIdentifier(iid, lsps, nodes);
432 switch (changedNode.getModificationType()) {
434 original.put(iid, changedNode.getDataBefore());
436 case SUBTREE_MODIFIED:
437 original.put(iid, changedNode.getDataBefore());
438 updated.put(iid, changedNode.getDataAfter());
441 created.put(iid, changedNode.getDataAfter());
444 throw new IllegalArgumentException("Unhandled modification type " + changedNode.getModificationType());
447 for (DataObjectModification<? extends DataObject> child : changedNode.getModifiedChildren()) {
448 final List<PathArgument> pathArguments = new ArrayList<>();
449 for (PathArgument pathArgument : iid.getPathArguments()) {
450 pathArguments.add(pathArgument);
452 pathArguments.add(child.getIdentifier());
453 final InstanceIdentifier<?> childIID = InstanceIdentifier.create(pathArguments);
454 handleChangedNode(child, childIID, lsps, nodes, original, updated, created);
458 private void updateTransaction(final ReadWriteTransaction trans, final Set<InstanceIdentifier<ReportedLsp>> lsps,
459 final Map<InstanceIdentifier<?>, ? extends DataObject> old, final Map<InstanceIdentifier<?>, DataObject> updated,
460 final Map<InstanceIdentifier<?>, DataObject> created) {
462 for (final InstanceIdentifier<ReportedLsp> i : lsps) {
463 final ReportedLsp oldValue = (ReportedLsp) old.get(i);
464 ReportedLsp newValue = (ReportedLsp) updated.get(i);
465 if (newValue == null) {
466 newValue = (ReportedLsp) created.get(i);
469 LOG.debug("Updating lsp {} value {} -> {}", i, oldValue, newValue);
470 if (oldValue != null) {
472 remove(trans, i, oldValue);
473 } catch (final ReadFailedException e) {
474 LOG.warn("Failed to remove LSP {}", i, e);
477 if (newValue != null) {
479 create(trans, i, newValue);
480 } catch (final ReadFailedException e) {
481 LOG.warn("Failed to add LSP {}", i, e);
487 public static InstanceIdentifier<Link> linkIdentifier(final InstanceIdentifier<Topology> topology, final NodeId node, final String name) {
488 return topology.child(Link.class, new LinkKey(new LinkId(node.getValue() + "/lsp/" + name)));