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
9 package org.opendaylight.openflowplugin.applications.frm.impl;
11 import com.google.common.base.Preconditions;
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.controller.md.sal.binding.api.DataBroker;
18 import org.opendaylight.controller.md.sal.binding.api.DataTreeIdentifier;
19 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
20 import org.opendaylight.openflowplugin.applications.frm.FlowNodeConnectorInventoryTranslator;
21 import org.opendaylight.openflowplugin.common.wait.SimpleTaskRetryLooper;
22 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNodeConnector;
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.nodes.Node;
26 import org.opendaylight.yangtools.concepts.ListenerRegistration;
27 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
28 import org.slf4j.Logger;
29 import org.slf4j.LoggerFactory;
31 public class FlowNodeConnectorInventoryTranslatorImpl extends AbstractNodeConnectorCommitter<FlowCapableNodeConnector>
32 implements FlowNodeConnectorInventoryTranslator {
34 private static final Logger LOG = LoggerFactory.getLogger(FlowNodeConnectorInventoryTranslatorImpl.class);
36 private ListenerRegistration<FlowNodeConnectorInventoryTranslatorImpl> dataTreeChangeListenerRegistration;
38 private static final String SEPARATOR = ":";
40 private static final InstanceIdentifier<FlowCapableNodeConnector> II_TO_FLOW_CAPABLE_NODE_CONNECTOR
41 = InstanceIdentifier.builder(Nodes.class)
43 .child(NodeConnector.class)
44 .augmentation(FlowCapableNodeConnector.class)
47 private final Multimap<BigInteger, String> dpnToPortMultiMap = Multimaps
48 .synchronizedListMultimap(ArrayListMultimap.<BigInteger, String>create());
50 @SuppressWarnings("IllegalCatch")
51 public FlowNodeConnectorInventoryTranslatorImpl(final DataBroker dataBroker) {
52 Preconditions.checkNotNull(dataBroker, "DataBroker can not be null!");
54 final DataTreeIdentifier<FlowCapableNodeConnector> treeId =
55 new DataTreeIdentifier<>(LogicalDatastoreType.OPERATIONAL, getWildCardPath());
57 SimpleTaskRetryLooper looper = new SimpleTaskRetryLooper(ForwardingRulesManagerImpl.STARTUP_LOOP_TICK,
58 ForwardingRulesManagerImpl.STARTUP_LOOP_MAX_RETRIES);
59 dataTreeChangeListenerRegistration = looper.loopUntilNoException(() -> dataBroker
60 .registerDataTreeChangeListener(treeId, FlowNodeConnectorInventoryTranslatorImpl.this));
61 } catch (final Exception e) {
62 LOG.warn(" FlowNodeConnectorInventoryTranslatorImpl listener registration fail!");
63 LOG.debug("FlowNodeConnectorInventoryTranslatorImpl DataTreeChangeListener registration fail ..", e);
65 IllegalStateException("FlowNodeConnectorInventoryTranslatorImpl startup fail! System needs restart.", e);
70 protected InstanceIdentifier<FlowCapableNodeConnector> getWildCardPath() {
71 return InstanceIdentifier.create(Nodes.class)
73 .child(NodeConnector.class)
74 .augmentation(FlowCapableNodeConnector.class);
79 if (dataTreeChangeListenerRegistration != null) {
80 dataTreeChangeListenerRegistration.close();
81 dataTreeChangeListenerRegistration = null;
86 public void remove(InstanceIdentifier<FlowCapableNodeConnector> identifier, FlowCapableNodeConnector del,
87 InstanceIdentifier<FlowCapableNodeConnector> nodeConnIdent) {
88 if (compareInstanceIdentifierTail(identifier, II_TO_FLOW_CAPABLE_NODE_CONNECTOR)) {
89 LOG.debug("Node Connector removed");
90 String nodeConnectorIdentifier = nodeConnIdent.firstKeyOf(NodeConnector.class)
92 BigInteger dpId = getDpIdFromPortName(nodeConnectorIdentifier);
94 dpnToPortMultiMap.remove(dpId, nodeConnectorIdentifier);
99 public void update(InstanceIdentifier<FlowCapableNodeConnector> identifier, FlowCapableNodeConnector original,
100 FlowCapableNodeConnector update, InstanceIdentifier<FlowCapableNodeConnector> nodeConnIdent) {
101 if (compareInstanceIdentifierTail(identifier, II_TO_FLOW_CAPABLE_NODE_CONNECTOR)) {
102 LOG.debug("Node Connector updated");
103 // Don't need to do anything as we are not considering updates here
108 public void add(InstanceIdentifier<FlowCapableNodeConnector> identifier, FlowCapableNodeConnector add,
109 InstanceIdentifier<FlowCapableNodeConnector> nodeConnIdent) {
110 if (compareInstanceIdentifierTail(identifier, II_TO_FLOW_CAPABLE_NODE_CONNECTOR)) {
111 LOG.debug("Node Connector added");
112 String nodeConnectorIdentifier = nodeConnIdent
113 .firstKeyOf(NodeConnector.class).getId().getValue();
114 BigInteger dpId = getDpIdFromPortName(nodeConnectorIdentifier);
116 if (!dpnToPortMultiMap.containsEntry(dpId, nodeConnectorIdentifier)) {
117 dpnToPortMultiMap.put(dpId, nodeConnectorIdentifier);
119 LOG.error("Duplicate Event.Node Connector already added");
124 private boolean compareInstanceIdentifierTail(InstanceIdentifier<?> identifier1,
125 InstanceIdentifier<?> identifier2) {
126 return Iterables.getLast(identifier1.getPathArguments())
127 .equals(Iterables.getLast(identifier2.getPathArguments()));
131 public boolean isNodeConnectorUpdated(BigInteger dpId, String portName) {
132 return dpnToPortMultiMap.containsEntry(dpId,portName) ;
136 private BigInteger getDpIdFromPortName(String portName) {
137 String dpId = portName.substring(portName.indexOf(SEPARATOR) + 1, portName.lastIndexOf(SEPARATOR));
138 return new BigInteger(dpId);