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.controller.md.sal.binding.api.DataBroker;
19 import org.opendaylight.controller.md.sal.binding.api.DataTreeModification;
20 import org.opendaylight.controller.md.sal.common.api.data.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 = Optional.ofNullable(
95 manager.readFromTransaction(LogicalDatastoreType.OPERATIONAL, node).get().orNull());
96 } catch (InterruptedException | ExecutionException e) {
97 LOG.warn("Error occurred when trying to read NodeConnector: {}", e.getMessage());
98 LOG.debug("Error occurred when trying to read NodeConnector.. ", e);
100 if (nodeOptional.isPresent()) {
101 TopologyManagerUtil.removeAffectedLinks(terminationPointId, manager, II_TO_TOPOLOGY);
102 manager.addDeleteOperationToTxChain(LogicalDatastoreType.OPERATIONAL,
103 iiToTopologyTerminationPoint);
108 "Instance identifier to inventory wasn't translated to topology while deleting termination point.");
112 private void processUpdatedTerminationPoints(final DataTreeModification<FlowCapableNodeConnector> modification) {
113 // TODO Auto-generated method stub
116 private void processAddedTerminationPoints(final DataTreeModification<FlowCapableNodeConnector> modification) {
117 final InstanceIdentifier<FlowCapableNodeConnector> iiToNodeInInventory = modification.getRootPath()
118 .getRootIdentifier();
119 TpId terminationPointIdInTopology = provideTopologyTerminationPointId(iiToNodeInInventory);
120 if (terminationPointIdInTopology != null) {
121 InstanceIdentifier<TerminationPoint> iiToTopologyTerminationPoint = provideIIToTopologyTerminationPoint(
122 terminationPointIdInTopology, iiToNodeInInventory);
123 TerminationPoint point = prepareTopologyTerminationPoint(terminationPointIdInTopology, iiToNodeInInventory);
124 sendToTransactionChain(point, iiToTopologyTerminationPoint);
125 removeLinks(modification.getRootNode().getDataAfter(), point);
127 LOG.debug("Inventory node connector key is null. Data can't be written to topology termination point");
131 private void removeLinks(final FlowCapableNodeConnector flowCapNodeConnector, final TerminationPoint point) {
132 operationProcessor.enqueueOperation(manager -> {
133 if ((flowCapNodeConnector.getState() != null && flowCapNodeConnector.getState().isLinkDown()) || (
134 flowCapNodeConnector.getConfiguration() != null && flowCapNodeConnector.getConfiguration()
136 TopologyManagerUtil.removeAffectedLinks(point.getTpId(), manager, II_TO_TOPOLOGY);
141 private static TerminationPoint prepareTopologyTerminationPoint(final TpId terminationPointIdInTopology,
143 InstanceIdentifier<FlowCapableNodeConnector>
144 iiToNodeInInventory) {
145 final InventoryNodeConnector inventoryNodeConnector = new InventoryNodeConnectorBuilder()
146 .setInventoryNodeConnectorRef(
147 new NodeConnectorRef(iiToNodeInInventory.firstIdentifierOf(NodeConnector.class))).build();
148 final TerminationPointBuilder terminationPointBuilder = new TerminationPointBuilder();
149 terminationPointBuilder.setTpId(terminationPointIdInTopology);
150 terminationPointBuilder.addAugmentation(InventoryNodeConnector.class, inventoryNodeConnector);
151 return terminationPointBuilder.build();
154 private InstanceIdentifier<TerminationPoint> provideIIToTopologyTerminationPoint(
155 final TpId terminationPointIdInTopology,
156 final InstanceIdentifier<FlowCapableNodeConnector> iiToNodeInInventory) {
157 NodeId nodeIdInTopology = provideTopologyNodeId(iiToNodeInInventory);
158 if (terminationPointIdInTopology != null && nodeIdInTopology != null) {
159 InstanceIdentifier<org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology
160 .rev131021.network.topology.topology.Node>
161 iiToTopologyNode = provideIIToTopologyNode(nodeIdInTopology);
162 return iiToTopologyNode.builder()
163 .child(TerminationPoint.class, new TerminationPointKey(terminationPointIdInTopology)).build();
166 "Value of termination point ID in topology is null. Instance identifier to topology can't be "
172 private static TpId provideTopologyTerminationPointId(
173 final InstanceIdentifier<FlowCapableNodeConnector> iiToNodeInInventory) {
174 NodeConnectorKey inventoryNodeConnectorKey = iiToNodeInInventory.firstKeyOf(NodeConnector.class);
175 if (inventoryNodeConnectorKey != null) {
176 return new TpId(inventoryNodeConnectorKey.getId().getValue());