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