opendaylight/md-sal/statistics-manager/src/main/java/org/opendaylight/controller/md/statistics/manager/impl/StatNotifyCommitTable.java

   1 /**
   2  * Copyright (c) 2014 Cisco Systems, Inc. and others.  All rights reserved.
   3  *
   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
   7  */
   8
   9 package org.opendaylight.controller.md.statistics.manager.impl;
  10
  11 import java.util.ArrayList;
  12 import java.util.List;
  13
  14 import org.opendaylight.controller.md.sal.binding.api.ReadWriteTransaction;
  15 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  16 import org.opendaylight.controller.md.sal.common.api.data.ReadFailedException;
  17 import org.opendaylight.controller.md.statistics.manager.StatRpcMsgManager.TransactionCacheContainer;
  18 import org.opendaylight.controller.md.statistics.manager.StatisticsManager;
  19 import org.opendaylight.controller.md.statistics.manager.StatisticsManager.StatDataStoreOperation;
  20 import org.opendaylight.controller.sal.binding.api.NotificationProviderService;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNode;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.tables.Table;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.tables.TableKey;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.table.statistics.rev131215.FlowTableStatisticsData;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.table.statistics.rev131215.FlowTableStatisticsDataBuilder;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.table.statistics.rev131215.FlowTableStatisticsUpdate;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.table.statistics.rev131215.OpendaylightFlowTableStatisticsListener;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.table.statistics.rev131215.flow.table.and.statistics.map.FlowTableAndStatisticsMap;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.table.statistics.rev131215.flow.table.statistics.FlowTableStatisticsBuilder;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.transaction.rev131103.TransactionAware;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.transaction.rev131103.TransactionId;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeId;
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.Nodes;
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node;
  35 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.NodeKey;
  36 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  37 import org.slf4j.Logger;
  38 import org.slf4j.LoggerFactory;
  39
  40 import com.google.common.base.Optional;
  41
  42 /**
  43  * statistics-manager
  44  * org.opendaylight.controller.md.statistics.manager.impl
  45  *
  46  * StatNotifyCommitTable
  47  * Class is a NotifyListener for TableStatistics
  48  * All expected (registered) tableStatistics will be builded and
  49  * commit to Operational/DataStore
  50  *
  51  * @author <a href="mailto:vdemcak@cisco.com">Vaclav Demcak</a>
  52  *
  53  */
  54 public class StatNotifyCommitTable extends StatAbstractNotifyCommit<OpendaylightFlowTableStatisticsListener>
  55                                         implements OpendaylightFlowTableStatisticsListener {
  56
  57     private final static Logger LOG = LoggerFactory.getLogger(StatNotifyCommitTable.class);
  58
  59     public StatNotifyCommitTable(final StatisticsManager manager,
  60             final NotificationProviderService nps) {
  61         super(manager, nps);
  62     }
  63
  64     @Override
  65     protected OpendaylightFlowTableStatisticsListener getStatNotificationListener() {
  66         return this;
  67     }
  68
  69     @Override
  70     public void onFlowTableStatisticsUpdate(final FlowTableStatisticsUpdate notification) {
  71         final TransactionId transId = notification.getTransactionId();
  72         final NodeId nodeId = notification.getId();
  73         if ( ! isExpectedStatistics(transId, nodeId)) {
  74             LOG.debug("STAT-MANAGER - FlowTableStatisticsUpdate: unregistred notification detect TransactionId {}", transId);
  75             return;
  76         }
  77         manager.getRpcMsgManager().addNotification(notification, nodeId);
  78         if (notification.isMoreReplies()) {
  79             return;
  80         }
  81         /* Don't block RPC Notification thread */
  82         manager.enqueue(new StatDataStoreOperation() {
  83             @Override
  84             public void applyOperation(final ReadWriteTransaction trans) {
  85                 final List<FlowTableAndStatisticsMap> tableStats = new ArrayList<FlowTableAndStatisticsMap>(10);
  86                 final Optional<TransactionCacheContainer<?>> txContainer = getTransactionCacheContainer(transId, nodeId);
  87                 final InstanceIdentifier<Node> nodeIdent = InstanceIdentifier.create(Nodes.class)
  88                         .child(Node.class, new NodeKey(nodeId));
  89                 if (( ! txContainer.isPresent()) || txContainer.get().getNodeId() == null) {
  90                     return;
  91                 }
  92                 final List<? extends TransactionAware> cachedNotifs = txContainer.get().getNotifications();
  93                 for (final TransactionAware notif : cachedNotifs) {
  94                     if (notif instanceof FlowTableStatisticsUpdate) {
  95                         final List<FlowTableAndStatisticsMap> statNotif =
  96                                 ((FlowTableStatisticsUpdate) notif).getFlowTableAndStatisticsMap();
  97                         if (statNotif != null) {
  98                             tableStats.addAll(statNotif);
  99                         }
 100                     }
 101                 }
 102                 /* write stat to trans */
 103                 statTableCommit(tableStats, nodeIdent, trans);
 104                 /* Notification for continue collecting statistics - Tables statistics are still same size
 105                  * and they are small - don't need to wait to whole apply operation */
 106                 notifyToCollectNextStatistics(nodeIdent);
 107             }
 108         });
 109     }
 110
 111     private void statTableCommit(final List<FlowTableAndStatisticsMap> tableStats, final InstanceIdentifier<Node> nodeIdent,
 112             final ReadWriteTransaction trans) {
 113         final InstanceIdentifier<FlowCapableNode> fNodeIdent = nodeIdent.augmentation(FlowCapableNode.class);
 114         /* check flow Capable Node and write statistics */
 115         Optional<FlowCapableNode> fNode = Optional.absent();
 116         try {
 117             fNode = trans.read(LogicalDatastoreType.OPERATIONAL, fNodeIdent).checkedGet();
 118         }
 119         catch (final ReadFailedException e) {
 120             LOG.debug("Read Operational/DS for FlowCapableNode fail! {}", fNodeIdent, e);
 121             return;
 122         }
 123         if ( ! fNode.isPresent()) {
 124             LOG.trace("Read Operational/DS for FlowCapableNode fail! Node {} doesn't exist.", fNodeIdent);
 125             return;
 126         }
 127         for (final FlowTableAndStatisticsMap tableStat : tableStats) {
 128             final FlowTableStatisticsData stats = new FlowTableStatisticsDataBuilder()
 129                     .setFlowTableStatistics(new FlowTableStatisticsBuilder(tableStat).build()).build();
 130
 131             final InstanceIdentifier<FlowTableStatisticsData> tStatIdent = fNodeIdent
 132                     .child(Table.class, new TableKey(tableStat.getTableId().getValue()))
 133                     .augmentation(FlowTableStatisticsData.class);
 134             trans.put(LogicalDatastoreType.OPERATIONAL, tStatIdent, stats, true);
 135         }
 136     }
 137 }
 138