opendaylight/md-sal/statistics-manager/src/main/java/org/opendaylight/controller/md/statistics/manager/StatisticsUpdateCommiter.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 java.util.List;
  11 import java.util.concurrent.ConcurrentMap;
  12
  13 import org.opendaylight.controller.md.statistics.manager.NodeStatisticsAger.FlowEntry;
  14 import org.opendaylight.controller.md.statistics.manager.NodeStatisticsAger.QueueEntry;
  15 import org.opendaylight.controller.sal.binding.api.data.DataModificationTransaction;
  16 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNode;
  17 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNodeConnector;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowId;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.meters.Meter;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.meters.MeterBuilder;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.meters.MeterKey;
  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.inventory.rev130819.tables.table.Flow;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.tables.table.FlowBuilder;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.tables.table.FlowKey;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.statistics.rev130819.AggregateFlowStatisticsData;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.statistics.rev130819.AggregateFlowStatisticsDataBuilder;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.statistics.rev130819.AggregateFlowStatisticsUpdate;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.statistics.rev130819.FlowStatisticsData;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.statistics.rev130819.FlowStatisticsDataBuilder;
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.statistics.rev130819.FlowsStatisticsUpdate;
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.statistics.rev130819.OpendaylightFlowStatisticsListener;
  35 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.statistics.rev130819.aggregate.flow.statistics.AggregateFlowStatisticsBuilder;
  36 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.statistics.rev130819.flow.and.statistics.map.list.FlowAndStatisticsMapList;
  37 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.statistics.rev130819.flow.and.statistics.map.list.FlowAndStatisticsMapListBuilder;
  38 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.statistics.rev130819.flow.statistics.FlowStatisticsBuilder;
  39 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.table.statistics.rev131215.FlowTableStatisticsData;
  40 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.table.statistics.rev131215.FlowTableStatisticsDataBuilder;
  41 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.table.statistics.rev131215.FlowTableStatisticsUpdate;
  42 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.table.statistics.rev131215.OpendaylightFlowTableStatisticsListener;
  43 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.table.statistics.rev131215.flow.table.and.statistics.map.FlowTableAndStatisticsMap;
  44 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.table.statistics.rev131215.flow.table.statistics.FlowTableStatisticsBuilder;
  45 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.port.rev130925.queues.Queue;
  46 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.port.rev130925.queues.QueueBuilder;
  47 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.port.rev130925.queues.QueueKey;
  48 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.flow.Match;
  49 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.statistics.rev131111.GroupDescStatsUpdated;
  50 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.statistics.rev131111.GroupFeaturesUpdated;
  51 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.statistics.rev131111.GroupStatisticsUpdated;
  52 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.statistics.rev131111.NodeGroupDescStats;
  53 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.statistics.rev131111.NodeGroupDescStatsBuilder;
  54 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.statistics.rev131111.NodeGroupFeatures;
  55 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.statistics.rev131111.NodeGroupFeaturesBuilder;
  56 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.statistics.rev131111.NodeGroupStatistics;
  57 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.statistics.rev131111.NodeGroupStatisticsBuilder;
  58 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.statistics.rev131111.OpendaylightGroupStatisticsListener;
  59 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.statistics.rev131111.group.desc.GroupDescBuilder;
  60 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.statistics.rev131111.group.features.GroupFeaturesBuilder;
  61 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.statistics.rev131111.group.statistics.GroupStatisticsBuilder;
  62 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.group.desc.stats.reply.GroupDescStats;
  63 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.group.statistics.reply.GroupStats;
  64 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.groups.Group;
  65 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.groups.GroupBuilder;
  66 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.groups.GroupKey;
  67 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeId;
  68 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeRef;
  69 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.Nodes;
  70 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.node.NodeConnector;
  71 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.node.NodeConnectorBuilder;
  72 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.node.NodeConnectorKey;
  73 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node;
  74 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.NodeBuilder;
  75 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.NodeKey;
  76 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.statistics.rev131111.MeterConfigStatsUpdated;
  77 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.statistics.rev131111.MeterFeaturesUpdated;
  78 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.statistics.rev131111.MeterStatisticsUpdated;
  79 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.statistics.rev131111.NodeMeterConfigStats;
  80 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.statistics.rev131111.NodeMeterConfigStatsBuilder;
  81 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.statistics.rev131111.NodeMeterFeatures;
  82 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.statistics.rev131111.NodeMeterFeaturesBuilder;
  83 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.statistics.rev131111.NodeMeterStatistics;
  84 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.statistics.rev131111.NodeMeterStatisticsBuilder;
  85 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.statistics.rev131111.OpendaylightMeterStatisticsListener;
  86 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.statistics.rev131111.nodes.node.MeterFeaturesBuilder;
  87 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.statistics.rev131111.nodes.node.meter.MeterConfigStatsBuilder;
  88 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.statistics.rev131111.nodes.node.meter.MeterStatisticsBuilder;
  89 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.types.rev130918.meter.config.stats.reply.MeterConfigStats;
  90 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.types.rev130918.meter.statistics.reply.MeterStats;
  91 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.statistics.types.rev130925.GenericStatistics;
  92 import org.opendaylight.yang.gen.v1.urn.opendaylight.port.statistics.rev131214.FlowCapableNodeConnectorStatisticsData;
  93 import org.opendaylight.yang.gen.v1.urn.opendaylight.port.statistics.rev131214.FlowCapableNodeConnectorStatisticsDataBuilder;
  94 import org.opendaylight.yang.gen.v1.urn.opendaylight.port.statistics.rev131214.NodeConnectorStatisticsUpdate;
  95 import org.opendaylight.yang.gen.v1.urn.opendaylight.port.statistics.rev131214.OpendaylightPortStatisticsListener;
  96 import org.opendaylight.yang.gen.v1.urn.opendaylight.port.statistics.rev131214.flow.capable.node.connector.statistics.FlowCapableNodeConnectorStatisticsBuilder;
  97 import org.opendaylight.yang.gen.v1.urn.opendaylight.port.statistics.rev131214.node.connector.statistics.and.port.number.map.NodeConnectorStatisticsAndPortNumberMap;
  98 import org.opendaylight.yang.gen.v1.urn.opendaylight.queue.statistics.rev131216.FlowCapableNodeConnectorQueueStatisticsData;
  99 import org.opendaylight.yang.gen.v1.urn.opendaylight.queue.statistics.rev131216.FlowCapableNodeConnectorQueueStatisticsDataBuilder;
 100 import org.opendaylight.yang.gen.v1.urn.opendaylight.queue.statistics.rev131216.OpendaylightQueueStatisticsListener;
 101 import org.opendaylight.yang.gen.v1.urn.opendaylight.queue.statistics.rev131216.QueueStatisticsUpdate;
 102 import org.opendaylight.yang.gen.v1.urn.opendaylight.queue.statistics.rev131216.flow.capable.node.connector.queue.statistics.FlowCapableNodeConnectorQueueStatisticsBuilder;
 103 import org.opendaylight.yang.gen.v1.urn.opendaylight.queue.statistics.rev131216.queue.id.and.statistics.map.QueueIdAndStatisticsMap;
 104 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
 105 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier.InstanceIdentifierBuilder;
 106 import org.slf4j.Logger;
 107 import org.slf4j.LoggerFactory;
 108
 109 /**
 110  * Class implement statistics manager related listener interface and augment all the
 111  * received statistics data to data stores.
 112  * TODO: Need to add error message listener and clean-up the associated tx id
 113  * if it exists in the tx-id cache.
 114  * @author vishnoianil
 115  *
 116  */
 117 public class StatisticsUpdateCommiter implements OpendaylightGroupStatisticsListener,
 118         OpendaylightMeterStatisticsListener,
 119         OpendaylightFlowStatisticsListener,
 120         OpendaylightPortStatisticsListener,
 121         OpendaylightFlowTableStatisticsListener,
 122         OpendaylightQueueStatisticsListener{
 123
 124     public final static Logger sucLogger = LoggerFactory.getLogger(StatisticsUpdateCommiter.class);
 125
 126     private final StatisticsProvider statisticsManager;
 127     private final MultipartMessageManager messageManager;
 128
 129     private int unaccountedFlowsCounter = 1;
 130
 131     public StatisticsUpdateCommiter(final StatisticsProvider manager){
 132
 133         this.statisticsManager = manager;
 134         this.messageManager = this.statisticsManager.getMultipartMessageManager();
 135     }
 136
 137     public StatisticsProvider getStatisticsManager(){
 138         return statisticsManager;
 139     }
 140
 141     @Override
 142     public void onMeterConfigStatsUpdated(MeterConfigStatsUpdated notification) {
 143         //Check if response is for the request statistics-manager sent.
 144         if(!messageManager.isRequestTxIdExist(notification.getId(),notification.getTransactionId(),notification.isMoreReplies()))
 145             return;
 146
 147         NodeKey key = new NodeKey(notification.getId());
 148
 149         //Add statistics to local cache
 150         ConcurrentMap<NodeId, NodeStatisticsAger> cache = this.statisticsManager.getStatisticsCache();
 151         if(!cache.containsKey(notification.getId())){
 152             cache.put(notification.getId(), new NodeStatisticsAger(statisticsManager,key));
 153         }
 154         cache.get(notification.getId()).updateMeterConfigStats(notification.getMeterConfigStats());
 155
 156         //Publish data to configuration data store
 157         List<MeterConfigStats> meterConfigStatsList = notification.getMeterConfigStats();
 158
 159         for(MeterConfigStats meterConfigStats : meterConfigStatsList){
 160             DataModificationTransaction it = this.statisticsManager.startChange();
 161             MeterBuilder meterBuilder = new MeterBuilder();
 162             MeterKey meterKey = new MeterKey(meterConfigStats.getMeterId());
 163             meterBuilder.setKey(meterKey);
 164
 165             InstanceIdentifier<Meter> meterRef = InstanceIdentifier.builder(Nodes.class).child(Node.class,key)
 166                                                                                         .augmentation(FlowCapableNode.class)
 167                                                                                         .child(Meter.class,meterKey).toInstance();
 168
 169             NodeMeterConfigStatsBuilder meterConfig= new NodeMeterConfigStatsBuilder();
 170             MeterConfigStatsBuilder stats = new MeterConfigStatsBuilder();
 171             stats.fieldsFrom(meterConfigStats);
 172             meterConfig.setMeterConfigStats(stats.build());
 173
 174             //Update augmented data
 175             meterBuilder.addAugmentation(NodeMeterConfigStats.class, meterConfig.build());
 176             it.putOperationalData(meterRef, meterBuilder.build());
 177             it.commit();
 178
 179         }
 180     }
 181
 182     @Override
 183     public void onMeterStatisticsUpdated(MeterStatisticsUpdated notification) {
 184
 185         //Check if response is for the request statistics-manager sent.
 186         if(!messageManager.isRequestTxIdExist(notification.getId(),notification.getTransactionId(),notification.isMoreReplies()))
 187             return;
 188
 189         NodeKey key = new NodeKey(notification.getId());
 190
 191         List<MeterStats> meterStatsList = notification.getMeterStats();
 192
 193         for(MeterStats meterStats : meterStatsList){
 194
 195             //Publish data to configuration data store
 196             DataModificationTransaction it = this.statisticsManager.startChange();
 197             MeterBuilder meterBuilder = new MeterBuilder();
 198             MeterKey meterKey = new MeterKey(meterStats.getMeterId());
 199             meterBuilder.setKey(meterKey);
 200
 201             InstanceIdentifier<Meter> meterRef = InstanceIdentifier.builder(Nodes.class).child(Node.class,key)
 202                                                                                         .augmentation(FlowCapableNode.class)
 203                                                                                         .child(Meter.class,meterKey).toInstance();
 204
 205             NodeMeterStatisticsBuilder meterStatsBuilder= new NodeMeterStatisticsBuilder();
 206             MeterStatisticsBuilder stats = new MeterStatisticsBuilder();
 207             stats.fieldsFrom(meterStats);
 208             meterStatsBuilder.setMeterStatistics(stats.build());
 209
 210             //Update augmented data
 211             meterBuilder.addAugmentation(NodeMeterStatistics.class, meterStatsBuilder.build());
 212             it.putOperationalData(meterRef, meterBuilder.build());
 213             it.commit();
 214         }
 215     }
 216
 217     @Override
 218     public void onGroupDescStatsUpdated(GroupDescStatsUpdated notification) {
 219
 220         //Check if response is for the request statistics-manager sent.
 221         if(!messageManager.isRequestTxIdExist(notification.getId(),notification.getTransactionId(),notification.isMoreReplies()))
 222             return;
 223
 224         NodeKey key = new NodeKey(notification.getId());
 225
 226         //Add statistics to local cache
 227         ConcurrentMap<NodeId, NodeStatisticsAger> cache = this.statisticsManager.getStatisticsCache();
 228         if(!cache.containsKey(notification.getId())){
 229             cache.put(notification.getId(), new NodeStatisticsAger(statisticsManager,key));
 230         }
 231         cache.get(notification.getId()).updateGroupDescStats(notification.getGroupDescStats());
 232
 233         //Publish data to configuration data store
 234         List<GroupDescStats> groupDescStatsList = notification.getGroupDescStats();
 235
 236         for(GroupDescStats groupDescStats : groupDescStatsList){
 237             DataModificationTransaction it = this.statisticsManager.startChange();
 238
 239             GroupBuilder groupBuilder = new GroupBuilder();
 240             GroupKey groupKey = new GroupKey(groupDescStats.getGroupId());
 241             groupBuilder.setKey(groupKey);
 242
 243             InstanceIdentifier<Group> groupRef = InstanceIdentifier.builder(Nodes.class).child(Node.class,key)
 244                                                                                         .augmentation(FlowCapableNode.class)
 245                                                                                         .child(Group.class,groupKey).toInstance();
 246
 247             NodeGroupDescStatsBuilder groupDesc= new NodeGroupDescStatsBuilder();
 248             GroupDescBuilder stats = new GroupDescBuilder();
 249             stats.fieldsFrom(groupDescStats);
 250             groupDesc.setGroupDesc(stats.build());
 251
 252             //Update augmented data
 253             groupBuilder.addAugmentation(NodeGroupDescStats.class, groupDesc.build());
 254
 255             it.putOperationalData(groupRef, groupBuilder.build());
 256             it.commit();
 257         }
 258     }
 259
 260     @Override
 261     public void onGroupStatisticsUpdated(GroupStatisticsUpdated notification) {
 262
 263         //Check if response is for the request statistics-manager sent.
 264         if(!messageManager.isRequestTxIdExist(notification.getId(),notification.getTransactionId(),notification.isMoreReplies()))
 265             return;
 266
 267         //Publish data to configuration data store
 268         NodeKey key = new NodeKey(notification.getId());
 269         List<GroupStats> groupStatsList = notification.getGroupStats();
 270
 271         for(GroupStats groupStats : groupStatsList){
 272             DataModificationTransaction it = this.statisticsManager.startChange();
 273
 274             GroupBuilder groupBuilder = new GroupBuilder();
 275             GroupKey groupKey = new GroupKey(groupStats.getGroupId());
 276             groupBuilder.setKey(groupKey);
 277
 278             InstanceIdentifier<Group> groupRef = InstanceIdentifier.builder(Nodes.class).child(Node.class,key)
 279                                                                                         .augmentation(FlowCapableNode.class)
 280                                                                                         .child(Group.class,groupKey).toInstance();
 281
 282             NodeGroupStatisticsBuilder groupStatisticsBuilder= new NodeGroupStatisticsBuilder();
 283             GroupStatisticsBuilder stats = new GroupStatisticsBuilder();
 284             stats.fieldsFrom(groupStats);
 285             groupStatisticsBuilder.setGroupStatistics(stats.build());
 286
 287             //Update augmented data
 288             groupBuilder.addAugmentation(NodeGroupStatistics.class, groupStatisticsBuilder.build());
 289             it.putOperationalData(groupRef, groupBuilder.build());
 290             it.commit();
 291         }
 292     }
 293
 294     @Override
 295     public void onMeterFeaturesUpdated(MeterFeaturesUpdated notification) {
 296
 297         MeterFeaturesBuilder meterFeature = new MeterFeaturesBuilder();
 298         meterFeature.setMeterBandSupported(notification.getMeterBandSupported());
 299         meterFeature.setMeterCapabilitiesSupported(notification.getMeterCapabilitiesSupported());
 300         meterFeature.setMaxBands(notification.getMaxBands());
 301         meterFeature.setMaxColor(notification.getMaxColor());
 302         meterFeature.setMaxMeter(notification.getMaxMeter());
 303
 304         //Publish data to configuration data store
 305         DataModificationTransaction it = this.statisticsManager.startChange();
 306         NodeKey key = new NodeKey(notification.getId());
 307         NodeRef ref = getNodeRef(key);
 308
 309         final NodeBuilder nodeData = new NodeBuilder();
 310         nodeData.setKey(key);
 311
 312         NodeMeterFeaturesBuilder nodeMeterFeatures= new NodeMeterFeaturesBuilder();
 313         nodeMeterFeatures.setMeterFeatures(meterFeature.build());
 314
 315         //Update augmented data
 316         nodeData.addAugmentation(NodeMeterFeatures.class, nodeMeterFeatures.build());
 317
 318         InstanceIdentifier<? extends Object> refValue = ref.getValue();
 319         it.putOperationalData(refValue, nodeData.build());
 320         it.commit();
 321     }
 322
 323     @Override
 324     public void onGroupFeaturesUpdated(GroupFeaturesUpdated notification) {
 325
 326         GroupFeaturesBuilder groupFeatures = new GroupFeaturesBuilder();
 327         groupFeatures.setActions(notification.getActions());
 328         groupFeatures.setGroupCapabilitiesSupported(notification.getGroupCapabilitiesSupported());
 329         groupFeatures.setGroupTypesSupported(notification.getGroupTypesSupported());
 330         groupFeatures.setMaxGroups(notification.getMaxGroups());
 331
 332         //Publish data to configuration data store
 333         DataModificationTransaction it = this.statisticsManager.startChange();
 334         NodeKey key = new NodeKey(notification.getId());
 335         NodeRef ref = getNodeRef(key);
 336
 337         final NodeBuilder nodeData = new NodeBuilder();
 338         nodeData.setKey(key);
 339
 340         NodeGroupFeaturesBuilder nodeGroupFeatures= new NodeGroupFeaturesBuilder();
 341         nodeGroupFeatures.setGroupFeatures(groupFeatures.build());
 342
 343         //Update augmented data
 344         nodeData.addAugmentation(NodeGroupFeatures.class, nodeGroupFeatures.build());
 345
 346         InstanceIdentifier<? extends Object> refValue = ref.getValue();
 347         it.putOperationalData(refValue, nodeData.build());
 348         it.commit();
 349     }
 350
 351     @Override
 352     public void onFlowsStatisticsUpdate(FlowsStatisticsUpdate notification) {
 353
 354         //Check if response is for the request statistics-manager sent.
 355         if(!messageManager.isRequestTxIdExist(notification.getId(),notification.getTransactionId(),notification.isMoreReplies()))
 356             return;
 357
 358         NodeKey key = new NodeKey(notification.getId());
 359         sucLogger.debug("Received flow stats update : {}",notification.toString());
 360
 361         for(FlowAndStatisticsMapList map: notification.getFlowAndStatisticsMapList()){
 362             short tableId = map.getTableId();
 363
 364             DataModificationTransaction it = this.statisticsManager.startChange();
 365
 366             boolean foundOriginalFlow = false;
 367
 368             FlowBuilder flowBuilder = new FlowBuilder();
 369
 370             FlowStatisticsDataBuilder flowStatisticsData = new FlowStatisticsDataBuilder();
 371
 372             FlowBuilder flow = new FlowBuilder();
 373             flow.setContainerName(map.getContainerName());
 374             flow.setBufferId(map.getBufferId());
 375             flow.setCookie(map.getCookie());
 376             flow.setCookieMask(map.getCookieMask());
 377             flow.setFlags(map.getFlags());
 378             flow.setFlowName(map.getFlowName());
 379             flow.setHardTimeout(map.getHardTimeout());
 380             if(map.getFlowId() != null)
 381                 flow.setId(new FlowId(map.getFlowId().getValue()));
 382             flow.setIdleTimeout(map.getIdleTimeout());
 383             flow.setInstallHw(map.isInstallHw());
 384             flow.setInstructions(map.getInstructions());
 385             if(map.getFlowId()!= null)
 386                 flow.setKey(new FlowKey(new FlowId(map.getKey().getFlowId().getValue())));
 387             flow.setMatch(map.getMatch());
 388             flow.setOutGroup(map.getOutGroup());
 389             flow.setOutPort(map.getOutPort());
 390             flow.setPriority(map.getPriority());
 391             flow.setStrict(map.isStrict());
 392             flow.setTableId(tableId);
 393
 394             Flow flowRule = flow.build();
 395
 396             FlowAndStatisticsMapListBuilder stats = new FlowAndStatisticsMapListBuilder();
 397             stats.setByteCount(map.getByteCount());
 398             stats.setPacketCount(map.getPacketCount());
 399             stats.setDuration(map.getDuration());
 400
 401             GenericStatistics flowStats = stats.build();
 402
 403             //Add statistics to local cache
 404             ConcurrentMap<NodeId, NodeStatisticsAger> cache = this.statisticsManager.getStatisticsCache();
 405             if(!cache.containsKey(notification.getId())){
 406                 cache.put(notification.getId(), new NodeStatisticsAger(statisticsManager,key));
 407             }
 408             NodeStatisticsAger nsa = cache.get(notification.getId());
 409             FlowEntry flowStatsEntry = nsa.new FlowEntry(tableId,flowRule);
 410             cache.get(notification.getId()).updateFlowStats(flowStatsEntry);
 411
 412             //Augment the data to the flow node
 413
 414             FlowStatisticsBuilder flowStatistics = new FlowStatisticsBuilder();
 415             flowStatistics.setByteCount(flowStats.getByteCount());
 416             flowStatistics.setPacketCount(flowStats.getPacketCount());
 417             flowStatistics.setDuration(flowStats.getDuration());
 418             flowStatistics.setContainerName(map.getContainerName());
 419             flowStatistics.setBufferId(map.getBufferId());
 420             flowStatistics.setCookie(map.getCookie());
 421             flowStatistics.setCookieMask(map.getCookieMask());
 422             flowStatistics.setFlags(map.getFlags());
 423             flowStatistics.setFlowName(map.getFlowName());
 424             flowStatistics.setHardTimeout(map.getHardTimeout());
 425             flowStatistics.setIdleTimeout(map.getIdleTimeout());
 426             flowStatistics.setInstallHw(map.isInstallHw());
 427             flowStatistics.setInstructions(map.getInstructions());
 428             flowStatistics.setMatch(map.getMatch());
 429             flowStatistics.setOutGroup(map.getOutGroup());
 430             flowStatistics.setOutPort(map.getOutPort());
 431             flowStatistics.setPriority(map.getPriority());
 432             flowStatistics.setStrict(map.isStrict());
 433             flowStatistics.setTableId(tableId);
 434
 435             flowStatisticsData.setFlowStatistics(flowStatistics.build());
 436
 437             sucLogger.debug("Flow : {}",flowRule.toString());
 438             sucLogger.debug("Statistics to augment : {}",flowStatistics.build().toString());
 439
 440             InstanceIdentifier<Table> tableRef = InstanceIdentifier.builder(Nodes.class).child(Node.class, key)
 441                     .augmentation(FlowCapableNode.class).child(Table.class, new TableKey(tableId)).toInstance();
 442
 443             Table table= (Table)it.readConfigurationData(tableRef);
 444
 445             //TODO: Not a good way to do it, need to figure out better way.
 446             //TODO: major issue in any alternate approach is that flow key is incrementally assigned
 447             //to the flows stored in data store.
 448             if(table != null){
 449
 450                 for(Flow existingFlow : table.getFlow()){
 451                     sucLogger.debug("Existing flow in data store : {}",existingFlow.toString());
 452                     if(flowEquals(flowRule,existingFlow)){
 453                         InstanceIdentifier<Flow> flowRef = InstanceIdentifier.builder(Nodes.class).child(Node.class, key)
 454                                 .augmentation(FlowCapableNode.class)
 455                                 .child(Table.class, new TableKey(tableId))
 456                                 .child(Flow.class,existingFlow.getKey()).toInstance();
 457                         flowBuilder.setKey(existingFlow.getKey());
 458                         flowBuilder.addAugmentation(FlowStatisticsData.class, flowStatisticsData.build());
 459                         sucLogger.debug("Found matching flow in the datastore, augmenting statistics");
 460                         foundOriginalFlow = true;
 461                         it.putOperationalData(flowRef, flowBuilder.build());
 462                         it.commit();
 463                         break;
 464                     }
 465                 }
 466             }
 467
 468             table= (Table)it.readOperationalData(tableRef);
 469             if(!foundOriginalFlow && table != null){
 470
 471                 for(Flow existingFlow : table.getFlow()){
 472                     FlowStatisticsData augmentedflowStatisticsData = existingFlow.getAugmentation(FlowStatisticsData.class);
 473                     if(augmentedflowStatisticsData != null){
 474                         FlowBuilder existingOperationalFlow = new FlowBuilder();
 475                         existingOperationalFlow.fieldsFrom(augmentedflowStatisticsData.getFlowStatistics());
 476                         sucLogger.debug("Existing unaccounted flow in operational data store : {}",existingFlow.toString());
 477                         if(flowEquals(flowRule,existingOperationalFlow.build())){
 478                             InstanceIdentifier<Flow> flowRef = InstanceIdentifier.builder(Nodes.class).child(Node.class, key)
 479                                     .augmentation(FlowCapableNode.class)
 480                                     .child(Table.class, new TableKey(tableId))
 481                                     .child(Flow.class,existingFlow.getKey()).toInstance();
 482                             flowBuilder.setKey(existingFlow.getKey());
 483                             flowBuilder.addAugmentation(FlowStatisticsData.class, flowStatisticsData.build());
 484                             sucLogger.debug("Found matching unaccounted flow in the operational datastore, augmenting statistics");
 485                             foundOriginalFlow = true;
 486                             it.putOperationalData(flowRef, flowBuilder.build());
 487                             it.commit();
 488                             break;
 489                         }
 490                     }
 491                 }
 492             }
 493             if(!foundOriginalFlow){
 494                 long flowKey = Long.parseLong(new String("1"+Short.toString(tableId)+"0"+Integer.toString(this.unaccountedFlowsCounter)));
 495                 this.unaccountedFlowsCounter++;
 496                 FlowKey newFlowKey = new FlowKey(new FlowId(Long.toString(flowKey)));
 497                 InstanceIdentifier<Flow> flowRef = InstanceIdentifier.builder(Nodes.class).child(Node.class, key)
 498                         .augmentation(FlowCapableNode.class)
 499                         .child(Table.class, new TableKey(tableId))
 500                         .child(Flow.class,newFlowKey).toInstance();
 501                 flowBuilder.setKey(newFlowKey);
 502                 flowBuilder.addAugmentation(FlowStatisticsData.class, flowStatisticsData.build());
 503                 sucLogger.info("Flow {} is not present in config data store, augmenting statistics as an unaccounted flow",flowBuilder.build());
 504                 it.putOperationalData(flowRef, flowBuilder.build());
 505                 it.commit();
 506             }
 507         }
 508     }
 509
 510     @Override
 511     public void onAggregateFlowStatisticsUpdate(AggregateFlowStatisticsUpdate notification) {
 512         //Check if response is for the request statistics-manager sent.
 513         if(!messageManager.isRequestTxIdExist(notification.getId(),notification.getTransactionId(),notification.isMoreReplies()))
 514             return;
 515
 516         NodeKey key = new NodeKey(notification.getId());
 517
 518         Short tableId = messageManager.getTableIdForTxId(notification.getId(),notification.getTransactionId());
 519         if(tableId != null){
 520
 521             DataModificationTransaction it = this.statisticsManager.startChange();
 522
 523             InstanceIdentifier<Table> tableRef = InstanceIdentifier.builder(Nodes.class).child(Node.class, key)
 524                     .augmentation(FlowCapableNode.class).child(Table.class, new TableKey(tableId)).toInstance();
 525
 526             AggregateFlowStatisticsDataBuilder aggregateFlowStatisticsDataBuilder = new AggregateFlowStatisticsDataBuilder();
 527             AggregateFlowStatisticsBuilder aggregateFlowStatisticsBuilder = new AggregateFlowStatisticsBuilder();
 528             aggregateFlowStatisticsBuilder.setByteCount(notification.getByteCount());
 529             aggregateFlowStatisticsBuilder.setFlowCount(notification.getFlowCount());
 530             aggregateFlowStatisticsBuilder.setPacketCount(notification.getPacketCount());
 531             aggregateFlowStatisticsDataBuilder.setAggregateFlowStatistics(aggregateFlowStatisticsBuilder.build());
 532
 533             sucLogger.debug("Augment aggregate statistics: {} for table {} on Node {}",aggregateFlowStatisticsBuilder.build().toString(),tableId,key);
 534
 535             TableBuilder tableBuilder = new TableBuilder();
 536             tableBuilder.setKey(new TableKey(tableId));
 537             tableBuilder.addAugmentation(AggregateFlowStatisticsData.class, aggregateFlowStatisticsDataBuilder.build());
 538             it.putOperationalData(tableRef, tableBuilder.build());
 539             it.commit();
 540
 541         }
 542     }
 543
 544     @Override
 545     public void onNodeConnectorStatisticsUpdate(NodeConnectorStatisticsUpdate notification) {
 546         //Check if response is for the request statistics-manager sent.
 547         if(!messageManager.isRequestTxIdExist(notification.getId(),notification.getTransactionId(),notification.isMoreReplies()))
 548             return;
 549
 550         NodeKey key = new NodeKey(notification.getId());
 551
 552         List<NodeConnectorStatisticsAndPortNumberMap> portsStats = notification.getNodeConnectorStatisticsAndPortNumberMap();
 553         for(NodeConnectorStatisticsAndPortNumberMap portStats : portsStats){
 554
 555             DataModificationTransaction it = this.statisticsManager.startChange();
 556
 557             FlowCapableNodeConnectorStatisticsBuilder statisticsBuilder
 558                                             = new FlowCapableNodeConnectorStatisticsBuilder();
 559             statisticsBuilder.setBytes(portStats.getBytes());
 560             statisticsBuilder.setCollisionCount(portStats.getCollisionCount());
 561             statisticsBuilder.setDuration(portStats.getDuration());
 562             statisticsBuilder.setPackets(portStats.getPackets());
 563             statisticsBuilder.setReceiveCrcError(portStats.getReceiveCrcError());
 564             statisticsBuilder.setReceiveDrops(portStats.getReceiveDrops());
 565             statisticsBuilder.setReceiveErrors(portStats.getReceiveErrors());
 566             statisticsBuilder.setReceiveFrameError(portStats.getReceiveFrameError());
 567             statisticsBuilder.setReceiveOverRunError(portStats.getReceiveOverRunError());
 568             statisticsBuilder.setTransmitDrops(portStats.getTransmitDrops());
 569             statisticsBuilder.setTransmitErrors(portStats.getTransmitErrors());
 570
 571             //Augment data to the node-connector
 572             FlowCapableNodeConnectorStatisticsDataBuilder statisticsDataBuilder =
 573                     new FlowCapableNodeConnectorStatisticsDataBuilder();
 574
 575             statisticsDataBuilder.setFlowCapableNodeConnectorStatistics(statisticsBuilder.build());
 576
 577             InstanceIdentifier<NodeConnector> nodeConnectorRef = InstanceIdentifier.builder(Nodes.class).child(Node.class, key).child(NodeConnector.class, new NodeConnectorKey(portStats.getNodeConnectorId())).toInstance();
 578
 579             NodeConnector nodeConnector = (NodeConnector)it.readOperationalData(nodeConnectorRef);
 580
 581             if(nodeConnector != null){
 582                 sucLogger.debug("Augmenting port statistics {} to port {}",statisticsDataBuilder.build().toString(),nodeConnectorRef.toString());
 583                 NodeConnectorBuilder nodeConnectorBuilder = new NodeConnectorBuilder();
 584                 nodeConnectorBuilder.addAugmentation(FlowCapableNodeConnectorStatisticsData.class, statisticsDataBuilder.build());
 585                 it.putOperationalData(nodeConnectorRef, nodeConnectorBuilder.build());
 586                 it.commit();
 587             }
 588         }
 589     }
 590
 591     @Override
 592     public void onFlowTableStatisticsUpdate(FlowTableStatisticsUpdate notification) {
 593         //Check if response is for the request statistics-manager sent.
 594         if(!messageManager.isRequestTxIdExist(notification.getId(),notification.getTransactionId(),notification.isMoreReplies()))
 595             return;
 596
 597         NodeKey key = new NodeKey(notification.getId());
 598
 599         List<FlowTableAndStatisticsMap> flowTablesStatsList = notification.getFlowTableAndStatisticsMap();
 600         for (FlowTableAndStatisticsMap ftStats : flowTablesStatsList){
 601
 602             DataModificationTransaction it = this.statisticsManager.startChange();
 603
 604             InstanceIdentifier<Table> tableRef = InstanceIdentifier.builder(Nodes.class).child(Node.class, key)
 605                     .augmentation(FlowCapableNode.class).child(Table.class, new TableKey(ftStats.getTableId().getValue())).toInstance();
 606
 607             FlowTableStatisticsDataBuilder statisticsDataBuilder = new FlowTableStatisticsDataBuilder();
 608
 609             FlowTableStatisticsBuilder statisticsBuilder = new FlowTableStatisticsBuilder();
 610             statisticsBuilder.setActiveFlows(ftStats.getActiveFlows());
 611             statisticsBuilder.setPacketsLookedUp(ftStats.getPacketsLookedUp());
 612             statisticsBuilder.setPacketsMatched(ftStats.getPacketsMatched());
 613
 614             statisticsDataBuilder.setFlowTableStatistics(statisticsBuilder.build());
 615
 616             sucLogger.debug("Augment flow table statistics: {} for table {} on Node {}",statisticsBuilder.build().toString(),ftStats.getTableId(),key);
 617
 618             TableBuilder tableBuilder = new TableBuilder();
 619             tableBuilder.setKey(new TableKey(ftStats.getTableId().getValue()));
 620             tableBuilder.addAugmentation(FlowTableStatisticsData.class, statisticsDataBuilder.build());
 621             it.putOperationalData(tableRef, tableBuilder.build());
 622             it.commit();
 623         }
 624     }
 625
 626     @Override
 627     public void onQueueStatisticsUpdate(QueueStatisticsUpdate notification) {
 628
 629         //Check if response is for the request statistics-manager sent.
 630         if(!messageManager.isRequestTxIdExist(notification.getId(),notification.getTransactionId(),notification.isMoreReplies()))
 631             return;
 632
 633         NodeKey key = new NodeKey(notification.getId());
 634
 635         //Add statistics to local cache
 636         ConcurrentMap<NodeId, NodeStatisticsAger> cache = this.statisticsManager.getStatisticsCache();
 637         if(!cache.containsKey(notification.getId())){
 638             cache.put(notification.getId(), new NodeStatisticsAger(statisticsManager,key));
 639         }
 640
 641         NodeStatisticsAger nsa = cache.get(notification.getId());
 642
 643         List<QueueIdAndStatisticsMap> queuesStats = notification.getQueueIdAndStatisticsMap();
 644         for(QueueIdAndStatisticsMap swQueueStats : queuesStats){
 645
 646             QueueEntry queueEntry = nsa.new QueueEntry(swQueueStats.getNodeConnectorId(),swQueueStats.getQueueId());
 647             nsa.updateQueueStats(queueEntry);
 648
 649             FlowCapableNodeConnectorQueueStatisticsDataBuilder queueStatisticsDataBuilder = new FlowCapableNodeConnectorQueueStatisticsDataBuilder();
 650
 651             FlowCapableNodeConnectorQueueStatisticsBuilder queueStatisticsBuilder = new FlowCapableNodeConnectorQueueStatisticsBuilder();
 652
 653             queueStatisticsBuilder.fieldsFrom(swQueueStats);
 654
 655             queueStatisticsDataBuilder.setFlowCapableNodeConnectorQueueStatistics(queueStatisticsBuilder.build());
 656
 657             DataModificationTransaction it = this.statisticsManager.startChange();
 658
 659             InstanceIdentifier<Queue> queueRef
 660                     = InstanceIdentifier.builder(Nodes.class)
 661                                         .child(Node.class, key)
 662                                         .child(NodeConnector.class, new NodeConnectorKey(swQueueStats.getNodeConnectorId()))
 663                                         .augmentation(FlowCapableNodeConnector.class)
 664                                         .child(Queue.class, new QueueKey(swQueueStats.getQueueId())).toInstance();
 665
 666             QueueBuilder queueBuilder = new QueueBuilder();
 667             queueBuilder.addAugmentation(FlowCapableNodeConnectorQueueStatisticsData.class, queueStatisticsDataBuilder.build());
 668             queueBuilder.setKey(new QueueKey(swQueueStats.getQueueId()));
 669
 670             sucLogger.debug("Augmenting queue statistics {} of queue {} to port {}"
 671                                         ,queueStatisticsDataBuilder.build().toString(),
 672                                         swQueueStats.getQueueId(),
 673                                         swQueueStats.getNodeConnectorId());
 674
 675             it.putOperationalData(queueRef, queueBuilder.build());
 676             it.commit();
 677
 678         }
 679
 680     }
 681
 682     private NodeRef getNodeRef(NodeKey nodeKey){
 683         InstanceIdentifierBuilder<?> builder = InstanceIdentifier.builder(Nodes.class).child(Node.class, nodeKey);
 684         return new NodeRef(builder.toInstance());
 685     }
 686
 687     public boolean flowEquals(Flow statsFlow, Flow storedFlow) {
 688         if (statsFlow.getClass() != storedFlow.getClass()) {
 689             return false;
 690         }
 691         if (statsFlow.getBufferId()== null) {
 692             if (storedFlow.getBufferId() != null) {
 693                 return false;
 694             }
 695         } else if(!statsFlow.getBufferId().equals(storedFlow.getBufferId())) {
 696             return false;
 697         }
 698         if (statsFlow.getContainerName()== null) {
 699             if (storedFlow.getContainerName()!= null) {
 700                 return false;
 701             }
 702         } else if(!statsFlow.getContainerName().equals(storedFlow.getContainerName())) {
 703             return false;
 704         }
 705         if (statsFlow.getCookie()== null) {
 706             if (storedFlow.getCookie()!= null) {
 707                 return false;
 708             }
 709         } else if(!statsFlow.getCookie().equals(storedFlow.getCookie())) {
 710             return false;
 711         }
 712         if (statsFlow.getMatch()== null) {
 713             if (storedFlow.getMatch() != null) {
 714                 return false;
 715             }
 716         } //else if(!statsFlow.getMatch().equals(storedFlow.getMatch())) {
 717         else if(!matchEquals(statsFlow.getMatch(), storedFlow.getMatch())) {
 718             return false;
 719         }
 720         if (statsFlow.getHardTimeout() == null) {
 721             if (storedFlow.getHardTimeout() != null) {
 722                 return false;
 723             }
 724         } else if(!statsFlow.getHardTimeout().equals(storedFlow.getHardTimeout() )) {
 725             return false;
 726         }
 727         if (statsFlow.getIdleTimeout()== null) {
 728             if (storedFlow.getIdleTimeout() != null) {
 729                 return false;
 730             }
 731         } else if(!statsFlow.getIdleTimeout().equals(storedFlow.getIdleTimeout())) {
 732             return false;
 733         }
 734         if (statsFlow.getPriority() == null) {
 735             if (storedFlow.getPriority() != null) {
 736                 return false;
 737             }
 738         } else if(!statsFlow.getPriority().equals(storedFlow.getPriority())) {
 739             return false;
 740         }
 741         if (statsFlow.getTableId() == null) {
 742             if (storedFlow.getTableId() != null) {
 743                 return false;
 744             }
 745         } else if(!statsFlow.getTableId().equals(storedFlow.getTableId())) {
 746             return false;
 747         }
 748         return true;
 749     }
 750
 751     /**
 752      * Explicit equals method to compare the 'match' for flows stored in the data-stores and flow fetched from the switch.
 753      * Usecase: e.g If user don't set any ethernet source and destination address for match,data store will store null for
 754      * these address.
 755      * e.g [_ethernetMatch=EthernetMatch [_ethernetDestination=null, _ethernetSource=null, _ethernetType=
 756      * EthernetType [_type=EtherType [_value=2048], _mask=null, augmentation=[]]
 757      *
 758      * But when you fetch the flows from switch, openflow driver library converts all zero bytes of mac address in the
 759      * message stream to 00:00:00:00:00:00. Following string shows how library interpret the zero mac address bytes and
 760      * eventually when translator convert it to MD-SAL match, this is how it looks
 761      * [_ethernetDestination=EthernetDestination [_address=MacAddress [_value=00:00:00:00:00:00], _mask=null, augmentation=[]],
 762      * _ethernetSource=EthernetSource [_address=MacAddress [_value=00:00:00:00:00:00], _mask=null, augmentation=[]],
 763      * _ethernetType=EthernetType [_type=EtherType [_value=2048], _mask=null, augmentation=[]]
 764      *
 765      * Similarly for inPort, if user/application don't set any value for it, FRM will store null value for it in data store.
 766      * When we fetch the same flow (with its statistics) from switch, plugin converts its value to openflow:X:0.
 767      *  e.g _inPort=Uri [_value=openflow:1:0]
 768      *
 769      * So this custom equals method add additional check to take care of these scenario, in case any match element is null in data-store-flow, but not
 770      * in the flow fetched from switch.
 771      *
 772      * @param statsFlow
 773      * @param storedFlow
 774      * @return
 775      */
 776
 777     public boolean matchEquals(Match statsFlow, Match storedFlow) {
 778         if (statsFlow == storedFlow) {
 779             return true;
 780         }
 781         if (storedFlow.getClass() != statsFlow.getClass()) {
 782             return false;
 783         }
 784         if (storedFlow.getEthernetMatch() == null) {
 785             if (statsFlow.getEthernetMatch() != null) {
 786                 return false;
 787             }
 788         } else if(!storedFlow.getEthernetMatch().equals(statsFlow.getEthernetMatch())) {
 789             return false;
 790         }
 791         if (storedFlow.getIcmpv4Match()== null) {
 792             if (statsFlow.getIcmpv4Match() != null) {
 793                 return false;
 794             }
 795         } else if(!storedFlow.getIcmpv4Match().equals(statsFlow.getIcmpv4Match())) {
 796             return false;
 797         }
 798         if (storedFlow.getIcmpv6Match() == null) {
 799             if (statsFlow.getIcmpv6Match() != null) {
 800                 return false;
 801             }
 802         } else if(!storedFlow.getIcmpv6Match().equals(statsFlow.getIcmpv6Match())) {
 803             return false;
 804         }
 805         if (storedFlow.getInPhyPort() == null) {
 806             if (statsFlow.getInPhyPort() != null) {
 807                 return false;
 808             }
 809         } else if(!storedFlow.getInPhyPort().equals(statsFlow.getInPhyPort())) {
 810             return false;
 811         }
 812         if (storedFlow.getInPort()== null) {
 813             if (statsFlow.getInPort() != null) {
 814                 return false;
 815             }
 816         } else if(!storedFlow.getInPort().equals(statsFlow.getInPort())) {
 817             return false;
 818         }
 819         if (storedFlow.getIpMatch()== null) {
 820             if (statsFlow.getIpMatch() != null) {
 821                 return false;
 822             }
 823         } else if(!storedFlow.getIpMatch().equals(statsFlow.getIpMatch())) {
 824             return false;
 825         }
 826         if (storedFlow.getLayer3Match()== null) {
 827             if (statsFlow.getLayer3Match() != null) {
 828                     return false;
 829             }
 830         } else if(!storedFlow.getLayer3Match().equals(statsFlow.getLayer3Match())) {
 831             return false;
 832         }
 833         if (storedFlow.getLayer4Match()== null) {
 834             if (statsFlow.getLayer4Match() != null) {
 835                 return false;
 836             }
 837         } else if(!storedFlow.getLayer4Match().equals(statsFlow.getLayer4Match())) {
 838             return false;
 839         }
 840         if (storedFlow.getMetadata() == null) {
 841             if (statsFlow.getMetadata() != null) {
 842                 return false;
 843             }
 844         } else if(!storedFlow.getMetadata().equals(statsFlow.getMetadata())) {
 845             return false;
 846         }
 847         if (storedFlow.getProtocolMatchFields() == null) {
 848             if (statsFlow.getProtocolMatchFields() != null) {
 849                 return false;
 850             }
 851         } else if(!storedFlow.getProtocolMatchFields().equals(statsFlow.getProtocolMatchFields())) {
 852             return false;
 853         }
 854         if (storedFlow.getTunnel()== null) {
 855             if (statsFlow.getTunnel() != null) {
 856                 return false;
 857             }
 858         } else if(!storedFlow.getTunnel().equals(statsFlow.getTunnel())) {
 859             return false;
 860         }
 861         if (storedFlow.getVlanMatch()== null) {
 862             if (statsFlow.getVlanMatch() != null) {
 863                 return false;
 864             }
 865         } else if(!storedFlow.getVlanMatch().equals(statsFlow.getVlanMatch())) {
 866             return false;
 867         }
 868         return true;
 869     }
 870 }