2 * Copyright (c) 2015, 2017 Ericsson India Global Services Pvt Ltd. 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.frm.impl;
10 import static java.util.Objects.requireNonNull;
12 import com.google.common.collect.ArrayListMultimap;
13 import com.google.common.collect.Iterables;
14 import com.google.common.collect.Multimap;
15 import com.google.common.collect.Multimaps;
16 import java.math.BigInteger;
17 import org.opendaylight.mdsal.binding.api.DataBroker;
18 import org.opendaylight.mdsal.binding.api.DataTreeIdentifier;
19 import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
20 import org.opendaylight.openflowplugin.applications.frm.FlowNodeConnectorInventoryTranslator;
21 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNodeConnector;
22 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.Nodes;
23 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.node.NodeConnector;
24 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node;
25 import org.opendaylight.yangtools.concepts.Registration;
26 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
27 import org.slf4j.Logger;
28 import org.slf4j.LoggerFactory;
30 public final class FlowNodeConnectorInventoryTranslatorImpl
31 extends AbstractNodeConnectorCommitter<FlowCapableNodeConnector>
32 implements FlowNodeConnectorInventoryTranslator {
33 private static final Logger LOG = LoggerFactory.getLogger(FlowNodeConnectorInventoryTranslatorImpl.class);
34 private static final String SEPARATOR = ":";
35 private static final InstanceIdentifier<FlowCapableNodeConnector> II_TO_FLOW_CAPABLE_NODE_CONNECTOR =
36 InstanceIdentifier.builder(Nodes.class)
38 .child(NodeConnector.class)
39 .augmentation(FlowCapableNodeConnector.class)
42 private Registration listenerRegistration;
44 private final Multimap<BigInteger, String> dpnToPortMultiMap = Multimaps.synchronizedListMultimap(
45 ArrayListMultimap.create());
47 public FlowNodeConnectorInventoryTranslatorImpl(final DataBroker dataBroker) {
48 requireNonNull(dataBroker, "DataBroker can not be null!");
49 listenerRegistration = dataBroker.registerDataTreeChangeListener(
50 DataTreeIdentifier.of(LogicalDatastoreType.OPERATIONAL, getWildCardPath()), this);
54 protected InstanceIdentifier<FlowCapableNodeConnector> getWildCardPath() {
55 return InstanceIdentifier.create(Nodes.class)
57 .child(NodeConnector.class)
58 .augmentation(FlowCapableNodeConnector.class);
63 if (listenerRegistration != null) {
64 listenerRegistration.close();
65 listenerRegistration = null;
70 public void remove(final InstanceIdentifier<FlowCapableNodeConnector> identifier,
71 final FlowCapableNodeConnector del, final InstanceIdentifier<FlowCapableNodeConnector> nodeConnIdent) {
72 if (compareInstanceIdentifierTail(identifier, II_TO_FLOW_CAPABLE_NODE_CONNECTOR)) {
73 LOG.debug("Node Connector removed");
74 String nodeConnectorIdentifier = nodeConnIdent.firstKeyOf(NodeConnector.class)
76 BigInteger dpId = getDpIdFromPortName(nodeConnectorIdentifier);
78 dpnToPortMultiMap.remove(dpId, nodeConnectorIdentifier);
83 public void update(final InstanceIdentifier<FlowCapableNodeConnector> identifier,
84 final FlowCapableNodeConnector original, final FlowCapableNodeConnector update,
85 final InstanceIdentifier<FlowCapableNodeConnector> nodeConnIdent) {
86 if (compareInstanceIdentifierTail(identifier, II_TO_FLOW_CAPABLE_NODE_CONNECTOR)) {
87 LOG.debug("Node Connector updated");
88 // Don't need to do anything as we are not considering updates here
93 public void add(final InstanceIdentifier<FlowCapableNodeConnector> identifier, final FlowCapableNodeConnector add,
94 final InstanceIdentifier<FlowCapableNodeConnector> nodeConnIdent) {
95 if (compareInstanceIdentifierTail(identifier, II_TO_FLOW_CAPABLE_NODE_CONNECTOR)) {
96 LOG.debug("Node Connector added");
97 String nodeConnectorIdentifier = nodeConnIdent
98 .firstKeyOf(NodeConnector.class).getId().getValue();
99 BigInteger dpId = getDpIdFromPortName(nodeConnectorIdentifier);
101 if (!dpnToPortMultiMap.containsEntry(dpId, nodeConnectorIdentifier)) {
102 dpnToPortMultiMap.put(dpId, nodeConnectorIdentifier);
104 LOG.error("Duplicate Event.Node Connector already added");
109 private static boolean compareInstanceIdentifierTail(final InstanceIdentifier<?> identifier1,
110 final InstanceIdentifier<?> identifier2) {
111 return Iterables.getLast(identifier1.getPathArguments())
112 .equals(Iterables.getLast(identifier2.getPathArguments()));
116 public boolean isNodeConnectorUpdated(final BigInteger dpId, final String portName) {
117 return dpnToPortMultiMap.containsEntry(dpId,portName) ;
121 private static BigInteger getDpIdFromPortName(final String portName) {
122 String dpId = portName.substring(portName.indexOf(SEPARATOR) + 1, portName.lastIndexOf(SEPARATOR));
123 return new BigInteger(dpId);