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.TableBuilder;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.tables.TableKey;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.table.statistics.rev131215.FlowTableStatisticsData;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.table.statistics.rev131215.FlowTableStatisticsDataBuilder;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.table.statistics.rev131215.FlowTableStatisticsUpdate;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.table.statistics.rev131215.OpendaylightFlowTableStatisticsListener;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.table.statistics.rev131215.flow.table.and.statistics.map.FlowTableAndStatisticsMap;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.table.statistics.rev131215.flow.table.statistics.FlowTableStatistics;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.table.statistics.rev131215.flow.table.statistics.FlowTableStatisticsBuilder;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.transaction.rev131103.TransactionAware;
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.transaction.rev131103.TransactionId;
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeId;
  35 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.Nodes;
  36 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node;
  37 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.NodeKey;
  38 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  39 import org.slf4j.Logger;
  40 import org.slf4j.LoggerFactory;
  41
  42 import com.google.common.base.Optional;
  43
  44 /**
  45  * statistics-manager
  46  * org.opendaylight.controller.md.statistics.manager.impl
  47  *
  48  * StatNotifyCommitTable
  49  * Class is a NotifyListener for TableStatistics
  50  * All expected (registered) tableStatistics will be builded and
  51  * commit to Operational/DataStore
  52  *
  53  * @author <a href="mailto:vdemcak@cisco.com">Vaclav Demcak</a>
  54  *
  55  */
  56 public class StatNotifyCommitTable extends StatAbstractNotifyCommit<OpendaylightFlowTableStatisticsListener>
  57                                         implements OpendaylightFlowTableStatisticsListener {
  58
  59     private final static Logger LOG = LoggerFactory.getLogger(StatNotifyCommitTable.class);
  60
  61     public StatNotifyCommitTable(final StatisticsManager manager,
  62             final NotificationProviderService nps) {
  63         super(manager, nps);
  64     }
  65
  66     @Override
  67     protected OpendaylightFlowTableStatisticsListener getStatNotificationListener() {
  68         return this;
  69     }
  70
  71     @Override
  72     public void onFlowTableStatisticsUpdate(final FlowTableStatisticsUpdate notification) {
  73         final TransactionId transId = notification.getTransactionId();
  74         final NodeId nodeId = notification.getId();
  75         if ( ! isExpectedStatistics(transId, nodeId)) {
  76             LOG.debug("STAT-MANAGER - FlowTableStatisticsUpdate: unregistred notification detect TransactionId {}", transId);
  77             return;
  78         }
  79         manager.getRpcMsgManager().addNotification(notification, nodeId);
  80         if (notification.isMoreReplies()) {
  81             return;
  82         }
  83         /* Don't block RPC Notification thread */
  84         manager.enqueue(new StatDataStoreOperation() {
  85             @Override
  86             public void applyOperation(final ReadWriteTransaction trans) {
  87                 final List<FlowTableAndStatisticsMap> tableStats = new ArrayList<FlowTableAndStatisticsMap>(10);
  88                 final Optional<TransactionCacheContainer<?>> txContainer = getTransactionCacheContainer(transId, nodeId);
  89                 final InstanceIdentifier<Node> nodeIdent = InstanceIdentifier.create(Nodes.class)
  90                         .child(Node.class, new NodeKey(nodeId));
  91                 if (( ! txContainer.isPresent()) || txContainer.get().getNodeId() == null) {
  92                     return;
  93                 }
  94                 final List<? extends TransactionAware> cachedNotifs = txContainer.get().getNotifications();
  95                 for (final TransactionAware notif : cachedNotifs) {
  96                     if (notif instanceof FlowTableStatisticsUpdate) {
  97                         final List<FlowTableAndStatisticsMap> statNotif =
  98                                 ((FlowTableStatisticsUpdate) notif).getFlowTableAndStatisticsMap();
  99                         if (statNotif != null) {
 100                             tableStats.addAll(statNotif);
 101                         }
 102                     }
 103                 }
 104                 /* write stat to trans */
 105                 statTableCommit(tableStats, nodeIdent, trans);
 106                 /* Notification for continue collecting statistics - Tables statistics are still same size
 107                  * and they are small - don't need to wait to whole apply operation */
 108                 notifyToCollectNextStatistics(nodeIdent);
 109             }
 110         });
 111     }
 112
 113     private void statTableCommit(final List<FlowTableAndStatisticsMap> tableStats, final InstanceIdentifier<Node> nodeIdent,
 114             final ReadWriteTransaction trans) {
 115         final InstanceIdentifier<FlowCapableNode> fNodeIdent = nodeIdent.augmentation(FlowCapableNode.class);
 116         /* check flow Capable Node and write statistics */
 117         Optional<FlowCapableNode> fNode = Optional.absent();
 118         try {
 119             fNode = trans.read(LogicalDatastoreType.OPERATIONAL, fNodeIdent).checkedGet();
 120         }
 121         catch (final ReadFailedException e) {
 122             LOG.debug("Read Operational/DS for FlowCapableNode fail! {}", fNodeIdent, e);
 123             return;
 124         }
 125         if ( ! fNode.isPresent()) {
 126             LOG.trace("Read Operational/DS for FlowCapableNode fail! Node {} doesn't exist.", fNodeIdent);
 127             return;
 128         }
 129         for (final FlowTableAndStatisticsMap tableStat : tableStats) {
 130             final InstanceIdentifier<Table> tableIdent = fNodeIdent
 131                     .child(Table.class, new TableKey(tableStat.getTableId().getValue()));
 132             final Table table = new TableBuilder().setId(tableStat.getTableId().getValue()).build();
 133             trans.merge(LogicalDatastoreType.OPERATIONAL, tableIdent, table);
 134             final InstanceIdentifier<FlowTableStatisticsData> tableStatIdent = tableIdent
 135                     .augmentation(FlowTableStatisticsData.class);
 136             trans.merge(LogicalDatastoreType.OPERATIONAL, tableStatIdent, new FlowTableStatisticsDataBuilder().build());
 137
 138             final FlowTableStatistics stats = new FlowTableStatisticsBuilder(tableStat).build();
 139             final InstanceIdentifier<FlowTableStatistics> tStatIdent = tableStatIdent.child(FlowTableStatistics.class);
 140             trans.put(LogicalDatastoreType.OPERATIONAL, tStatIdent, stats);
 141         }
 142     }
 143 }
 144