2 * Copyright (c) 2015 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.openflowplugin.applications.topology.manager;
10 import java.util.Collection;
11 import java.util.Optional;
12 import java.util.concurrent.ExecutionException;
13 import javax.annotation.Nonnull;
14 import javax.annotation.PreDestroy;
15 import javax.inject.Inject;
16 import javax.inject.Singleton;
17 import org.apache.aries.blueprint.annotation.service.Reference;
18 import org.opendaylight.mdsal.binding.api.DataBroker;
19 import org.opendaylight.mdsal.binding.api.DataTreeModification;
20 import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
21 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNodeConnector;
22 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeConnectorRef;
23 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.Nodes;
24 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.node.NodeConnector;
25 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.node.NodeConnectorKey;
26 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node;
27 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.topology.inventory.rev131030.InventoryNodeConnector;
28 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.topology.inventory.rev131030.InventoryNodeConnectorBuilder;
29 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NodeId;
30 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.TpId;
31 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.node.TerminationPoint;
32 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.node.TerminationPointBuilder;
33 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.node.TerminationPointKey;
34 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
35 import org.slf4j.Logger;
36 import org.slf4j.LoggerFactory;
39 public class TerminationPointChangeListenerImpl extends DataTreeChangeListenerImpl<FlowCapableNodeConnector> {
40 private static final Logger LOG = LoggerFactory.getLogger(TerminationPointChangeListenerImpl.class);
43 public TerminationPointChangeListenerImpl(@Reference final DataBroker dataBroker,
44 final OperationProcessor operationProcessor) {
45 super(operationProcessor, dataBroker,
46 InstanceIdentifier.builder(Nodes.class).child(Node.class).child(NodeConnector.class)
47 .augmentation(FlowCapableNodeConnector.class).build());
48 this.operationProcessor = operationProcessor;
52 public void onDataTreeChanged(@Nonnull Collection<DataTreeModification<FlowCapableNodeConnector>> modifications) {
53 for (DataTreeModification<FlowCapableNodeConnector> modification : modifications) {
54 switch (modification.getRootNode().getModificationType()) {
56 processAddedTerminationPoints(modification);
58 case SUBTREE_MODIFIED:
59 processUpdatedTerminationPoints(modification);
62 processRemovedTerminationPoints(modification);
65 throw new IllegalArgumentException(
66 "Unhandled modification type: {}" + modification.getRootNode().getModificationType());
73 public void close() throws Exception {
77 private void processRemovedTerminationPoints(final DataTreeModification<FlowCapableNodeConnector> modification) {
78 final InstanceIdentifier<FlowCapableNodeConnector> removedNode = modification.getRootPath().getRootIdentifier();
79 final TpId terminationPointId = provideTopologyTerminationPointId(removedNode);
80 final InstanceIdentifier<TerminationPoint> iiToTopologyTerminationPoint = provideIIToTopologyTerminationPoint(
81 terminationPointId, removedNode);
83 if (iiToTopologyTerminationPoint != null) {
84 final InstanceIdentifier<org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology
85 .rev131021.network.topology.topology.Node>
86 node = iiToTopologyTerminationPoint.firstIdentifierOf(
87 org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network
88 .topology.topology.Node.class);
89 operationProcessor.enqueueOperation(manager -> {
90 Optional<org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network
91 .topology.topology.Node>
92 nodeOptional = Optional.empty();
94 nodeOptional = manager.readFromTransaction(LogicalDatastoreType.OPERATIONAL, node).get();
95 } catch (InterruptedException | ExecutionException e) {
96 LOG.warn("Error occurred when trying to read NodeConnector: {}", e.getMessage());
97 LOG.debug("Error occurred when trying to read NodeConnector.. ", e);
99 if (nodeOptional.isPresent()) {
100 TopologyManagerUtil.removeAffectedLinks(terminationPointId, manager, II_TO_TOPOLOGY);
101 manager.addDeleteOperationToTxChain(LogicalDatastoreType.OPERATIONAL,
102 iiToTopologyTerminationPoint);
107 "Instance identifier to inventory wasn't translated to topology while deleting termination point.");
111 private void processUpdatedTerminationPoints(final DataTreeModification<FlowCapableNodeConnector> modification) {
112 // TODO Auto-generated method stub
115 private void processAddedTerminationPoints(final DataTreeModification<FlowCapableNodeConnector> modification) {
116 final InstanceIdentifier<FlowCapableNodeConnector> iiToNodeInInventory = modification.getRootPath()
117 .getRootIdentifier();
118 TpId terminationPointIdInTopology = provideTopologyTerminationPointId(iiToNodeInInventory);
119 if (terminationPointIdInTopology != null) {
120 InstanceIdentifier<TerminationPoint> iiToTopologyTerminationPoint = provideIIToTopologyTerminationPoint(
121 terminationPointIdInTopology, iiToNodeInInventory);
122 TerminationPoint point = prepareTopologyTerminationPoint(terminationPointIdInTopology, iiToNodeInInventory);
123 sendToTransactionChain(point, iiToTopologyTerminationPoint);
124 removeLinks(modification.getRootNode().getDataAfter(), point);
126 LOG.debug("Inventory node connector key is null. Data can't be written to topology termination point");
130 private void removeLinks(final FlowCapableNodeConnector flowCapNodeConnector, final TerminationPoint point) {
131 operationProcessor.enqueueOperation(manager -> {
132 if (flowCapNodeConnector.getState() != null && flowCapNodeConnector.getState().isLinkDown()
133 || flowCapNodeConnector.getConfiguration() != null
134 && flowCapNodeConnector.getConfiguration().isPORTDOWN()) {
135 TopologyManagerUtil.removeAffectedLinks(point.getTpId(), manager, II_TO_TOPOLOGY);
140 private static TerminationPoint prepareTopologyTerminationPoint(final TpId terminationPointIdInTopology,
142 InstanceIdentifier<FlowCapableNodeConnector>
143 iiToNodeInInventory) {
144 final InventoryNodeConnector inventoryNodeConnector = new InventoryNodeConnectorBuilder()
145 .setInventoryNodeConnectorRef(
146 new NodeConnectorRef(iiToNodeInInventory.firstIdentifierOf(NodeConnector.class))).build();
147 final TerminationPointBuilder terminationPointBuilder = new TerminationPointBuilder();
148 terminationPointBuilder.setTpId(terminationPointIdInTopology);
149 terminationPointBuilder.addAugmentation(InventoryNodeConnector.class, inventoryNodeConnector);
150 return terminationPointBuilder.build();
153 private InstanceIdentifier<TerminationPoint> provideIIToTopologyTerminationPoint(
154 final TpId terminationPointIdInTopology,
155 final InstanceIdentifier<FlowCapableNodeConnector> iiToNodeInInventory) {
156 NodeId nodeIdInTopology = provideTopologyNodeId(iiToNodeInInventory);
157 if (terminationPointIdInTopology != null && nodeIdInTopology != null) {
158 InstanceIdentifier<org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology
159 .rev131021.network.topology.topology.Node>
160 iiToTopologyNode = provideIIToTopologyNode(nodeIdInTopology);
161 return iiToTopologyNode.builder()
162 .child(TerminationPoint.class, new TerminationPointKey(terminationPointIdInTopology)).build();
165 "Value of termination point ID in topology is null. Instance identifier to topology can't be "
171 private static TpId provideTopologyTerminationPointId(
172 final InstanceIdentifier<FlowCapableNodeConnector> iiToNodeInInventory) {
173 NodeConnectorKey inventoryNodeConnectorKey = iiToNodeInInventory.firstKeyOf(NodeConnector.class);
174 if (inventoryNodeConnectorKey != null) {
175 return new TpId(inventoryNodeConnectorKey.getId().getValue());