opendaylight/md-sal/statistics-manager/src/main/java/org/opendaylight/controller/md/statistics/manager/GroupDescStatsTracker.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.md.statistics.manager.MultipartMessageManager.StatsRequestType;
  12 import org.opendaylight.controller.sal.binding.api.data.DataBrokerService;
  13 import org.opendaylight.controller.sal.binding.api.data.DataModificationTransaction;
  14 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNode;
  15 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.statistics.rev131111.GetGroupDescriptionInputBuilder;
  16 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.statistics.rev131111.NodeGroupDescStats;
  17 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.statistics.rev131111.NodeGroupDescStatsBuilder;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.statistics.rev131111.OpendaylightGroupStatisticsService;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.statistics.rev131111.group.desc.GroupDescBuilder;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.group.desc.stats.reply.GroupDescStats;
  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 final class GroupDescStatsTracker extends AbstractListeningStatsTracker<GroupDescStats, GroupDescStats> {
  30     private static final Logger logger = LoggerFactory.getLogger(GroupDescStatsTracker.class);
  31     private final OpendaylightGroupStatisticsService groupStatsService;
  32
  33     public GroupDescStatsTracker(OpendaylightGroupStatisticsService groupStatsService, final FlowCapableContext context, final long lifetimeNanos) {
  34         super(context, lifetimeNanos);
  35         this.groupStatsService = groupStatsService;
  36     }
  37
  38     @Override
  39     protected GroupDescStats updateSingleStat(DataModificationTransaction trans, GroupDescStats item) {
  40         GroupBuilder groupBuilder = new GroupBuilder();
  41         GroupKey groupKey = new GroupKey(item.getGroupId());
  42         groupBuilder.setKey(groupKey);
  43
  44         InstanceIdentifier<Group> groupRef = getNodeIdentifierBuilder()
  45                 .augmentation(FlowCapableNode.class).child(Group.class,groupKey).build();
  46
  47         NodeGroupDescStatsBuilder groupDesc= new NodeGroupDescStatsBuilder();
  48         groupDesc.setGroupDesc(new GroupDescBuilder(item).build());
  49
  50         //Update augmented data
  51         groupBuilder.addAugmentation(NodeGroupDescStats.class, groupDesc.build());
  52
  53         trans.putOperationalData(groupRef, groupBuilder.build());
  54         return item;
  55     }
  56
  57     @Override
  58     protected void cleanupSingleStat(DataModificationTransaction trans, GroupDescStats item) {
  59         InstanceIdentifier<NodeGroupDescStats> groupRef = getNodeIdentifierBuilder().augmentation(FlowCapableNode.class)
  60                 .child(Group.class, new GroupKey(item.getGroupId())).augmentation(NodeGroupDescStats.class).build();
  61         trans.removeOperationalData(groupRef);
  62     }
  63
  64     @Override
  65     protected InstanceIdentifier<?> listenPath() {
  66         return getNodeIdentifierBuilder().augmentation(FlowCapableNode.class).child(Group.class).build();
  67     }
  68
  69     @Override
  70     protected String statName() {
  71         return "Group Descriptor";
  72     }
  73
  74     public void request() {
  75         if (groupStatsService != null) {
  76             final GetGroupDescriptionInputBuilder input = new GetGroupDescriptionInputBuilder();
  77             input.setNode(getNodeRef());
  78
  79             requestHelper(groupStatsService.getGroupDescription(input.build()), StatsRequestType.GROUP_DESC);
  80         }
  81     }
  82
  83     @Override
  84     public void onDataChanged(DataChangeEvent<InstanceIdentifier<?>, DataObject> change) {
  85         for (InstanceIdentifier<?> key : change.getCreatedConfigurationData().keySet()) {
  86             if (Group.class.equals(key.getTargetType())) {
  87                 logger.debug("Key {} triggered request", key);
  88                 request();
  89             } else {
  90                 logger.debug("Ignoring key {}", key);
  91             }
  92         }
  93
  94         final DataModificationTransaction trans = startTransaction();
  95         for (InstanceIdentifier<?> key : change.getRemovedConfigurationData()) {
  96             if (Group.class.equals(key.getTargetType())) {
  97                 @SuppressWarnings("unchecked")
  98                 InstanceIdentifier<Group> group = (InstanceIdentifier<Group>)key;
  99                 InstanceIdentifier<?> del = InstanceIdentifier.builder(group).augmentation(NodeGroupDescStats.class).toInstance();
 100                 logger.debug("Key {} triggered remove of augmentation {}", key, del);
 101
 102                 trans.removeOperationalData(del);
 103             }
 104         }
 105         trans.commit();
 106     }
 107
 108     @Override
 109     public void start(final DataBrokerService dbs) {
 110         if (groupStatsService == null) {
 111             logger.debug("No Group Statistics service, not subscribing to groups on node {}", getNodeIdentifier());
 112             return;
 113         }
 114
 115         super.start(dbs);
 116     }
 117 }