2 * Copyright (c) 2014 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.md.controller.topology.manager;
10 import static org.opendaylight.md.controller.topology.manager.FlowCapableNodeMapping.getNodeConnectorKey;
11 import static org.opendaylight.md.controller.topology.manager.FlowCapableNodeMapping.getNodeKey;
12 import static org.opendaylight.md.controller.topology.manager.FlowCapableNodeMapping.toTerminationPoint;
13 import static org.opendaylight.md.controller.topology.manager.FlowCapableNodeMapping.toTerminationPointId;
14 import static org.opendaylight.md.controller.topology.manager.FlowCapableNodeMapping.toTopologyLink;
15 import static org.opendaylight.md.controller.topology.manager.FlowCapableNodeMapping.toTopologyNode;
16 import static org.opendaylight.md.controller.topology.manager.FlowCapableNodeMapping.toTopologyNodeId;
18 import java.util.Collection;
19 import java.util.Collections;
20 import java.util.List;
21 import org.opendaylight.controller.md.sal.binding.api.ReadWriteTransaction;
22 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
23 import org.opendaylight.controller.md.sal.common.api.data.ReadFailedException;
24 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNodeConnectorUpdated;
25 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNodeUpdated;
26 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.topology.discovery.rev130819.FlowTopologyDiscoveryListener;
27 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.topology.discovery.rev130819.LinkDiscovered;
28 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.topology.discovery.rev130819.LinkOverutilized;
29 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.topology.discovery.rev130819.LinkRemoved;
30 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.topology.discovery.rev130819.LinkUtilizationNormal;
31 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeConnectorRef;
32 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeConnectorRemoved;
33 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeConnectorUpdated;
34 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeRef;
35 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeRemoved;
36 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeUpdated;
37 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.OpendaylightInventoryListener;
38 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.node.NodeConnectorKey;
39 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NodeId;
40 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.TpId;
41 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.Topology;
42 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Link;
43 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
44 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.NodeKey;
45 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.node.TerminationPoint;
46 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.node.TerminationPointKey;
47 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
48 import org.slf4j.Logger;
49 import org.slf4j.LoggerFactory;
51 import com.google.common.base.Optional;
52 import com.google.common.base.Preconditions;
53 import com.google.common.collect.Lists;
54 import com.google.common.util.concurrent.CheckedFuture;
55 import com.google.common.util.concurrent.FutureCallback;
56 import com.google.common.util.concurrent.Futures;
58 class FlowCapableTopologyExporter implements FlowTopologyDiscoveryListener, OpendaylightInventoryListener {
60 private static final Logger LOG = LoggerFactory.getLogger(FlowCapableTopologyExporter.class);
61 private final InstanceIdentifier<Topology> topology;
62 private final OperationProcessor processor;
64 FlowCapableTopologyExporter(final OperationProcessor processor,
65 final InstanceIdentifier<Topology> topology) {
66 this.processor = Preconditions.checkNotNull(processor);
67 this.topology = Preconditions.checkNotNull(topology);
71 public void onNodeRemoved(final NodeRemoved notification) {
73 final NodeId nodeId = toTopologyNodeId(getNodeKey(notification.getNodeRef()).getId());
74 final InstanceIdentifier<Node> nodeInstance = toNodeIdentifier(notification.getNodeRef());
76 processor.enqueueOperation(new TopologyOperation() {
78 public void applyOperation(ReadWriteTransaction transaction) {
79 removeAffectedLinks(nodeId, transaction);
80 transaction.delete(LogicalDatastoreType.OPERATIONAL, nodeInstance);
84 public String toString() {
85 return "onNodeRemoved";
91 public void onNodeUpdated(final NodeUpdated notification) {
92 FlowCapableNodeUpdated fcnu = notification.getAugmentation(FlowCapableNodeUpdated.class);
94 processor.enqueueOperation(new TopologyOperation() {
96 public void applyOperation(final ReadWriteTransaction transaction) {
97 final Node node = toTopologyNode(toTopologyNodeId(notification.getId()), notification.getNodeRef());
98 final InstanceIdentifier<Node> path = getNodePath(toTopologyNodeId(notification.getId()));
99 transaction.merge(LogicalDatastoreType.OPERATIONAL, path, node, true);
103 public String toString() {
104 return "onNodeUpdated";
111 public void onNodeConnectorRemoved(final NodeConnectorRemoved notification) {
113 final InstanceIdentifier<TerminationPoint> tpInstance = toTerminationPointIdentifier(
114 notification.getNodeConnectorRef());
116 final TpId tpId = toTerminationPointId(getNodeConnectorKey(
117 notification.getNodeConnectorRef()).getId());
119 processor.enqueueOperation(new TopologyOperation() {
121 public void applyOperation(ReadWriteTransaction transaction) {
122 removeAffectedLinks(tpId, transaction);
123 transaction.delete(LogicalDatastoreType.OPERATIONAL, tpInstance);
127 public String toString() {
128 return "onNodeConnectorRemoved";
134 public void onNodeConnectorUpdated(final NodeConnectorUpdated notification) {
135 final FlowCapableNodeConnectorUpdated fcncu = notification.getAugmentation(
136 FlowCapableNodeConnectorUpdated.class);
138 processor.enqueueOperation(new TopologyOperation() {
140 public void applyOperation(final ReadWriteTransaction transaction) {
141 final NodeId nodeId = toTopologyNodeId(getNodeKey(notification.getNodeConnectorRef()).getId());
142 TerminationPoint point = toTerminationPoint(toTerminationPointId(notification.getId()),
143 notification.getNodeConnectorRef());
144 final InstanceIdentifier<TerminationPoint> path = tpPath(nodeId, point.getKey().getTpId());
145 transaction.merge(LogicalDatastoreType.OPERATIONAL, path, point, true);
146 if ((fcncu.getState() != null && fcncu.getState().isLinkDown())
147 || (fcncu.getConfiguration() != null && fcncu.getConfiguration().isPORTDOWN())) {
148 removeAffectedLinks(point.getTpId(), transaction);
153 public String toString() {
154 return "onNodeConnectorUpdated";
161 public void onLinkDiscovered(final LinkDiscovered notification) {
162 processor.enqueueOperation(new TopologyOperation() {
164 public void applyOperation(final ReadWriteTransaction transaction) {
165 final Link link = toTopologyLink(notification);
166 final InstanceIdentifier<Link> path = linkPath(link);
167 transaction.merge(LogicalDatastoreType.OPERATIONAL, path, link, true);
171 public String toString() {
172 return "onLinkDiscovered";
178 public void onLinkOverutilized(final LinkOverutilized notification) {
183 public void onLinkRemoved(final LinkRemoved notification) {
184 processor.enqueueOperation(new TopologyOperation() {
186 public void applyOperation(final ReadWriteTransaction transaction) {
187 transaction.delete(LogicalDatastoreType.OPERATIONAL, linkPath(toTopologyLink(notification)));
191 public String toString() {
192 return "onLinkRemoved";
198 public void onLinkUtilizationNormal(final LinkUtilizationNormal notification) {
202 private InstanceIdentifier<Node> toNodeIdentifier(final NodeRef ref) {
203 org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.NodeKey invNodeKey = getNodeKey(ref);
204 NodeKey nodeKey = new NodeKey(toTopologyNodeId(invNodeKey.getId()));
205 return topology.child(Node.class, nodeKey);
208 private InstanceIdentifier<TerminationPoint> toTerminationPointIdentifier(final NodeConnectorRef ref) {
209 org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.NodeKey invNodeKey = getNodeKey(ref);
210 NodeConnectorKey invNodeConnectorKey = getNodeConnectorKey(ref);
211 return tpPath(toTopologyNodeId(invNodeKey.getId()), toTerminationPointId(invNodeConnectorKey.getId()));
214 private void removeAffectedLinks(final NodeId id, final ReadWriteTransaction transaction) {
215 CheckedFuture<Optional<Topology>, ReadFailedException> topologyDataFuture =
216 transaction.read(LogicalDatastoreType.OPERATIONAL, topology);
217 Futures.addCallback(topologyDataFuture, new FutureCallback<Optional<Topology>>() {
219 public void onSuccess(Optional<Topology> topologyOptional) {
220 removeAffectedLinks(id, topologyOptional);
224 public void onFailure(Throwable throwable) {
225 LOG.error("Error reading topology data for topology {}", topology, throwable);
230 private void removeAffectedLinks(final NodeId id, Optional<Topology> topologyOptional) {
231 if (!topologyOptional.isPresent()) {
235 List<Link> linkList = topologyOptional.get().getLink() != null ?
236 topologyOptional.get().getLink() : Collections.<Link> emptyList();
237 final List<InstanceIdentifier<Link>> linkIDsToDelete = Lists.newArrayList();
238 for (Link link : linkList) {
239 if (id.equals(link.getSource().getSourceNode()) ||
240 id.equals(link.getDestination().getDestNode())) {
241 linkIDsToDelete.add(linkPath(link));
245 enqueueLinkDeletes(linkIDsToDelete);
248 private void enqueueLinkDeletes(final Collection<InstanceIdentifier<Link>> linkIDsToDelete) {
249 if(!linkIDsToDelete.isEmpty()) {
250 processor.enqueueOperation(new TopologyOperation() {
252 public void applyOperation(ReadWriteTransaction transaction) {
253 for(InstanceIdentifier<Link> linkID: linkIDsToDelete) {
254 transaction.delete(LogicalDatastoreType.OPERATIONAL, linkID);
259 public String toString() {
260 return "Delete Links " + linkIDsToDelete.size();
266 private void removeAffectedLinks(final TpId id, final ReadWriteTransaction transaction) {
267 CheckedFuture<Optional<Topology>, ReadFailedException> topologyDataFuture =
268 transaction.read(LogicalDatastoreType.OPERATIONAL, topology);
269 Futures.addCallback(topologyDataFuture, new FutureCallback<Optional<Topology>>() {
271 public void onSuccess(Optional<Topology> topologyOptional) {
272 removeAffectedLinks(id, topologyOptional);
276 public void onFailure(Throwable throwable) {
277 LOG.error("Error reading topology data for topology {}", topology, throwable);
282 private void removeAffectedLinks(final TpId id, Optional<Topology> topologyOptional) {
283 if (!topologyOptional.isPresent()) {
287 List<Link> linkList = topologyOptional.get().getLink() != null
288 ? topologyOptional.get().getLink() : Collections.<Link> emptyList();
289 final List<InstanceIdentifier<Link>> linkIDsToDelete = Lists.newArrayList();
290 for (Link link : linkList) {
291 if (id.equals(link.getSource().getSourceTp()) ||
292 id.equals(link.getDestination().getDestTp())) {
293 linkIDsToDelete.add(linkPath(link));
297 enqueueLinkDeletes(linkIDsToDelete);
300 private InstanceIdentifier<Node> getNodePath(final NodeId nodeId) {
301 return topology.child(Node.class, new NodeKey(nodeId));
304 private InstanceIdentifier<TerminationPoint> tpPath(final NodeId nodeId, final TpId tpId) {
305 NodeKey nodeKey = new NodeKey(nodeId);
306 TerminationPointKey tpKey = new TerminationPointKey(tpId);
307 return topology.child(Node.class, nodeKey).child(TerminationPoint.class, tpKey);
310 private InstanceIdentifier<Link> linkPath(final Link link) {
311 return topology.child(Link.class, link.getKey());