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

   1 /*
   2  * Copyright IBM Corporation, 2013.  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 package org.opendaylight.controller.md.statistics.manager;
   9
  10 import org.opendaylight.controller.md.sal.common.api.data.DataChangeEvent;
  11 import org.opendaylight.controller.sal.binding.api.data.DataBrokerService;
  12 import org.opendaylight.controller.sal.binding.api.data.DataModificationTransaction;
  13 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNode;
  14 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.statistics.rev131111.GetAllGroupStatisticsInputBuilder;
  15 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.statistics.rev131111.NodeGroupStatistics;
  16 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.statistics.rev131111.NodeGroupStatisticsBuilder;
  17 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.statistics.rev131111.OpendaylightGroupStatisticsService;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.statistics.rev131111.group.statistics.GroupStatisticsBuilder;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.group.statistics.reply.GroupStats;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.group.statistics.reply.GroupStatsBuilder;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.groups.Group;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.groups.GroupBuilder;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.groups.GroupKey;
  24 import org.opendaylight.yangtools.yang.binding.DataObject;
  25 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  26 import org.slf4j.Logger;
  27 import org.slf4j.LoggerFactory;
  28
  29 import com.google.common.base.Preconditions;
  30
  31 final class GroupStatsTracker extends AbstractListeningStatsTracker<GroupStats, GroupStats> {
  32     private static final Logger logger = LoggerFactory.getLogger(GroupStatsTracker.class);
  33     private final OpendaylightGroupStatisticsService groupStatsService;
  34
  35     GroupStatsTracker(OpendaylightGroupStatisticsService groupStatsService, FlowCapableContext context) {
  36         super(context);
  37         this.groupStatsService = Preconditions.checkNotNull(groupStatsService);
  38     }
  39
  40     @Override
  41     protected void cleanupSingleStat(DataModificationTransaction trans, GroupStats item) {
  42         InstanceIdentifier<NodeGroupStatistics> groupRef = getNodeIdentifierBuilder().augmentation(FlowCapableNode.class)
  43                 .child(Group.class, new GroupKey(item.getGroupId())).augmentation(NodeGroupStatistics.class).build();
  44         trans.removeOperationalData(groupRef);
  45     }
  46
  47     @Override
  48     protected GroupStats updateSingleStat(DataModificationTransaction trans,
  49             GroupStats item) {
  50         GroupBuilder groupBuilder = new GroupBuilder();
  51         GroupKey groupKey = new GroupKey(item.getGroupId());
  52         groupBuilder.setKey(groupKey);
  53
  54         InstanceIdentifier<Group> groupRef = getNodeIdentifierBuilder().augmentation(FlowCapableNode.class)
  55                 .child(Group.class,groupKey).build();
  56
  57         NodeGroupStatisticsBuilder groupStatisticsBuilder= new NodeGroupStatisticsBuilder();
  58         groupStatisticsBuilder.setGroupStatistics(new GroupStatisticsBuilder(item).build());
  59
  60         //Update augmented data
  61         groupBuilder.addAugmentation(NodeGroupStatistics.class, groupStatisticsBuilder.build());
  62         trans.putOperationalData(groupRef, groupBuilder.build());
  63         return item;
  64     }
  65
  66     @Override
  67     protected InstanceIdentifier<?> listenPath() {
  68         return getNodeIdentifierBuilder().augmentation(FlowCapableNode.class).child(Group.class).build();
  69     }
  70
  71     @Override
  72     protected String statName() {
  73         return "Group";
  74     }
  75
  76     @Override
  77     public void request() {
  78         final GetAllGroupStatisticsInputBuilder input = new GetAllGroupStatisticsInputBuilder();
  79         input.setNode(getNodeRef());
  80
  81         requestHelper(groupStatsService.getAllGroupStatistics(input.build()));
  82     }
  83
  84     @Override
  85     public void onDataChanged(DataChangeEvent<InstanceIdentifier<?>, DataObject> change) {
  86         final DataModificationTransaction trans = startTransaction();
  87         for (InstanceIdentifier<?> key : change.getRemovedConfigurationData()) {
  88             if (Group.class.equals(key.getTargetType())) {
  89                 @SuppressWarnings("unchecked")
  90                 InstanceIdentifier<Group> group = (InstanceIdentifier<Group>)key;
  91                 InstanceIdentifier<?> del = group.augmentation(NodeGroupStatistics.class);
  92                 logger.debug("Key {} triggered remove of augmentation {}", key, del);
  93
  94                 trans.removeOperationalData(del);
  95             }
  96         }
  97         trans.commit();
  98     }
  99
 100     @Override
 101     public void start(final DataBrokerService dbs) {
 102         if (groupStatsService == null) {
 103             logger.debug("No Group Statistics service, not subscribing to groups on node {}", getNodeIdentifier());
 104             return;
 105         }
 106
 107         super.start(dbs);
 108     }
 109
 110     @Override
 111     protected GroupStats createInvariantKey(GroupStats item) {
 112         GroupStatsBuilder groupStatsBuilder = new GroupStatsBuilder();
 113         groupStatsBuilder.setKey(item.getKey());
 114         groupStatsBuilder.setGroupId(item.getGroupId());
 115         return groupStatsBuilder.build();
 116     }
 117 }