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
9 package org.opendaylight.openflowplugin.applications.statistics.manager.impl;
11 import java.util.concurrent.ExecutionException;
12 import java.util.concurrent.TimeUnit;
13 import java.util.concurrent.TimeoutException;
15 import org.opendaylight.controller.sal.binding.api.NotificationProviderService;
16 import org.opendaylight.openflowplugin.applications.statistics.manager.StatNotifyCommiter;
17 import org.opendaylight.openflowplugin.applications.statistics.manager.StatRpcMsgManager.TransactionCacheContainer;
18 import org.opendaylight.openflowplugin.applications.statistics.manager.StatisticsManager;
19 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.transaction.rev150304.TransactionId;
20 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeId;
21 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node;
22 import org.opendaylight.yangtools.concepts.ListenerRegistration;
23 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
24 import org.opendaylight.yangtools.yang.binding.NotificationListener;
25 import org.slf4j.Logger;
26 import org.slf4j.LoggerFactory;
28 import com.google.common.base.Optional;
29 import com.google.common.base.Preconditions;
33 * org.opendaylight.openflowplugin.applications.statistics.manager.impl
35 * StatAbstratNotifiCommiter
36 * Class is abstract implementation for all no Configuration/DataStore DataObjects
37 * and represent common functionality for all DataObject Statistics Commiters.
38 * Class defines contract between DataObject and relevant Statistics NotificationListener.
41 public abstract class StatAbstractNotifyCommit<N extends NotificationListener> implements StatNotifyCommiter<N> {
43 private static final Logger LOG = LoggerFactory.getLogger(StatAbstractNotifyCommit.class);
45 private static final long MAX_WAIT_TIME = 10;
47 protected final StatisticsManager manager;
48 private ListenerRegistration<NotificationListener> notifyListenerRegistration;
50 public StatAbstractNotifyCommit(final StatisticsManager manager,
51 final NotificationProviderService nps) {
52 Preconditions.checkArgument(nps != null, "NotificationProviderService can not be null!");
53 this.manager = Preconditions.checkNotNull(manager, "StatisticManager can not be null!");
54 notifyListenerRegistration = nps.registerNotificationListener(getStatNotificationListener());
59 if (notifyListenerRegistration != null) {
61 notifyListenerRegistration.close();
63 catch (final Exception e) {
64 LOG.error("Error by stop {} StatNotificationListener. Exception {}",
65 this.getClass().getSimpleName(), e);
67 notifyListenerRegistration = null;
72 * Method returns Statistics Notification Listener for relevant DataObject implementation,
73 * which is declared for {@link StatNotifyCommiter} interface.
77 protected abstract N getStatNotificationListener();
80 * PreConfigurationCheck - Node identified by input InstanceIdentifier<Node>
81 * has to be registered in {@link org.opendaylight.openflowplugin.applications.statistics.manager.StatPermCollector}
83 * @param InstanceIdentifier<Node> nodeIdent
85 protected boolean preConfigurationCheck(final InstanceIdentifier<Node> nodeIdent) {
86 Preconditions.checkNotNull(nodeIdent, "FlowCapableNode ident can not be null!");
87 return manager.isProvidedFlowNodeActive(nodeIdent);
90 protected void notifyToCollectNextStatistics(final InstanceIdentifier<Node> nodeIdent, final TransactionId xid) {
91 Preconditions.checkNotNull(nodeIdent, "FlowCapableNode ident can not be null!");
92 manager.collectNextStatistics(nodeIdent, xid);
96 * Wrapping Future object call for {@link org.opendaylight.openflowplugin.applications.statistics.manager.StatRpcMsgManager}
97 * getTransactionCacheContainer with 10sec TimeOut.
98 * Method has returned {@link Optional} which could contains a {@link TransactionCacheContainer}
100 * @param TransactionId transId
101 * @param NodeId nodeId
104 protected Optional<TransactionCacheContainer<?>> getTransactionCacheContainer(final TransactionId transId, final NodeId nodeId) {
105 Optional<TransactionCacheContainer<?>> txContainer;
107 txContainer = manager.getRpcMsgManager().getTransactionCacheContainer(transId, nodeId).get(MAX_WAIT_TIME, TimeUnit.SECONDS);
109 catch (InterruptedException | ExecutionException | TimeoutException e) {
110 LOG.warn("Get TransactionCacheContainer fail!", e);
111 txContainer = Optional.absent();
117 * Method validate TransactionCacheContainer. It needs to call before every txCacheContainer processing.
119 * @param txCacheContainer
122 protected boolean isTransactionCacheContainerValid(final Optional<TransactionCacheContainer<?>> txCacheContainer) {
123 if ( ! txCacheContainer.isPresent()) {
124 LOG.debug("Transaction Cache Container is not presented!");
127 if (txCacheContainer.get().getNodeId() == null) {
128 LOG.debug("Transaction Cache Container {} don't have Node ID!", txCacheContainer.get().getId());
131 if (txCacheContainer.get().getNotifications() == null) {
132 LOG.debug("Transaction Cache Container {} for {} node don't have Notifications!",
133 txCacheContainer.get().getId(), txCacheContainer.get().getNodeId());
140 * Wrapping Future object call to {@link org.opendaylight.openflowplugin.applications.statistics.manager.StatRpcMsgManager}
141 * isExpectedStatistics with 10sec TimeOut.
142 * Method has checked registration for provided {@link TransactionId} and {@link NodeId}
144 * @param TransactionId transId - Transaction identification
145 * @param NodeId nodeId - Node identification
148 protected boolean isExpectedStatistics(final TransactionId transId, final NodeId nodeId) {
149 Boolean isExpectedStat = Boolean.FALSE;
151 isExpectedStat = manager.getRpcMsgManager().isExpectedStatistics(transId, nodeId).get(MAX_WAIT_TIME, TimeUnit.SECONDS);
153 catch (InterruptedException | ExecutionException | TimeoutException e) {
154 LOG.warn("Check Transaction registraion {} fail!", transId, e);
157 return isExpectedStat.booleanValue();