openflowplugin-impl/src/main/java/org/opendaylight/openflowplugin/impl/statistics/StatisticsGatheringUtils.java

   1 /*
   2  * Copyright (c) 2015 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.openflowplugin.impl.statistics;
  10
  11 import com.google.common.base.Function;
  12 import com.google.common.base.Optional;
  13 import com.google.common.collect.Iterables;
  14 import com.google.common.util.concurrent.AsyncFunction;
  15 import com.google.common.util.concurrent.CheckedFuture;
  16 import com.google.common.util.concurrent.FutureFallback;
  17 import com.google.common.util.concurrent.Futures;
  18 import com.google.common.util.concurrent.JdkFutureAdapters;
  19 import com.google.common.util.concurrent.ListenableFuture;
  20 import java.util.Collections;
  21 import java.util.List;
  22 import javax.annotation.Nullable;
  23 import org.opendaylight.controller.md.sal.binding.api.ReadOnlyTransaction;
  24 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  25 import org.opendaylight.controller.md.sal.common.api.data.ReadFailedException;
  26 import org.opendaylight.openflowplugin.api.openflow.device.DeviceContext;
  27 import org.opendaylight.openflowplugin.api.openflow.registry.flow.FlowRegistryKey;
  28 import org.opendaylight.openflowplugin.api.openflow.statistics.ofpspecific.EventIdentifier;
  29 import org.opendaylight.openflowplugin.api.openflow.statistics.ofpspecific.StatisticsGatherer;
  30 import org.opendaylight.openflowplugin.impl.registry.flow.FlowRegistryKeyFactory;
  31 import org.opendaylight.openflowplugin.impl.statistics.ofpspecific.EventsTimeCounter;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNode;
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNodeConnector;
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowId;
  35 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.meters.Meter;
  36 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.meters.MeterBuilder;
  37 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.meters.MeterKey;
  38 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.tables.Table;
  39 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.tables.TableBuilder;
  40 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.tables.TableKey;
  41 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.tables.table.Flow;
  42 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.tables.table.FlowBuilder;
  43 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.tables.table.FlowKey;
  44 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.statistics.rev130819.FlowStatisticsData;
  45 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.statistics.rev130819.FlowStatisticsDataBuilder;
  46 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.statistics.rev130819.FlowsStatisticsUpdate;
  47 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.statistics.rev130819.flow.and.statistics.map.list.FlowAndStatisticsMapList;
  48 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.statistics.rev130819.flow.statistics.FlowStatisticsBuilder;
  49 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.table.statistics.rev131215.FlowTableStatisticsData;
  50 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.table.statistics.rev131215.FlowTableStatisticsUpdate;
  51 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.table.statistics.rev131215.flow.table.and.statistics.map.FlowTableAndStatisticsMap;
  52 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.table.statistics.rev131215.flow.table.statistics.FlowTableStatistics;
  53 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.table.statistics.rev131215.flow.table.statistics.FlowTableStatisticsBuilder;
  54 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.port.rev130925.queues.Queue;
  55 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.port.rev130925.queues.QueueBuilder;
  56 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.port.rev130925.queues.QueueKey;
  57 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.statistics.rev131111.GroupDescStatsUpdated;
  58 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.statistics.rev131111.GroupStatisticsUpdated;
  59 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.statistics.rev131111.NodeGroupStatistics;
  60 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.statistics.rev131111.NodeGroupStatisticsBuilder;
  61 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.statistics.rev131111.group.statistics.GroupStatistics;
  62 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.statistics.rev131111.group.statistics.GroupStatisticsBuilder;
  63 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.GroupId;
  64 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.group.desc.stats.reply.GroupDescStats;
  65 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.group.statistics.reply.GroupStats;
  66 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.groups.Group;
  67 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.groups.GroupBuilder;
  68 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.groups.GroupKey;
  69 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.node.NodeConnector;
  70 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.node.NodeConnectorKey;
  71 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node;
  72 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.statistics.rev131111.MeterConfigStatsUpdated;
  73 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.statistics.rev131111.MeterStatisticsUpdated;
  74 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.statistics.rev131111.NodeMeterStatistics;
  75 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.statistics.rev131111.NodeMeterStatisticsBuilder;
  76 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.statistics.rev131111.nodes.node.meter.MeterStatistics;
  77 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.statistics.rev131111.nodes.node.meter.MeterStatisticsBuilder;
  78 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.types.rev130918.MeterId;
  79 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.types.rev130918.meter.config.stats.reply.MeterConfigStats;
  80 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.types.rev130918.meter.statistics.reply.MeterStats;
  81 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.MultipartType;
  82 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.MultipartReply;
  83 import org.opendaylight.yang.gen.v1.urn.opendaylight.port.statistics.rev131214.FlowCapableNodeConnectorStatisticsData;
  84 import org.opendaylight.yang.gen.v1.urn.opendaylight.port.statistics.rev131214.NodeConnectorStatisticsUpdate;
  85 import org.opendaylight.yang.gen.v1.urn.opendaylight.port.statistics.rev131214.flow.capable.node.connector.statistics.FlowCapableNodeConnectorStatistics;
  86 import org.opendaylight.yang.gen.v1.urn.opendaylight.port.statistics.rev131214.flow.capable.node.connector.statistics.FlowCapableNodeConnectorStatisticsBuilder;
  87 import org.opendaylight.yang.gen.v1.urn.opendaylight.port.statistics.rev131214.node.connector.statistics.and.port.number.map.NodeConnectorStatisticsAndPortNumberMap;
  88 import org.opendaylight.yang.gen.v1.urn.opendaylight.queue.statistics.rev131216.FlowCapableNodeConnectorQueueStatisticsData;
  89 import org.opendaylight.yang.gen.v1.urn.opendaylight.queue.statistics.rev131216.FlowCapableNodeConnectorQueueStatisticsDataBuilder;
  90 import org.opendaylight.yang.gen.v1.urn.opendaylight.queue.statistics.rev131216.QueueStatisticsUpdate;
  91 import org.opendaylight.yang.gen.v1.urn.opendaylight.queue.statistics.rev131216.flow.capable.node.connector.queue.statistics.FlowCapableNodeConnectorQueueStatistics;
  92 import org.opendaylight.yang.gen.v1.urn.opendaylight.queue.statistics.rev131216.flow.capable.node.connector.queue.statistics.FlowCapableNodeConnectorQueueStatisticsBuilder;
  93 import org.opendaylight.yang.gen.v1.urn.opendaylight.queue.statistics.rev131216.queue.id.and.statistics.map.QueueIdAndStatisticsMap;
  94 import org.opendaylight.yangtools.yang.binding.DataObject;
  95 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  96 import org.opendaylight.yangtools.yang.common.RpcResult;
  97 import org.slf4j.Logger;
  98 import org.slf4j.LoggerFactory;
  99
 100 /**
 101  * Created by Martin Bobak &lt;mbobak@cisco.com&gt; on 2.4.2015.
 102  */
 103 public final class StatisticsGatheringUtils {
 104
 105     private static final Logger LOG = LoggerFactory.getLogger(StatisticsGatheringUtils.class);
 106     private static final SinglePurposeMultipartReplyTranslator MULTIPART_REPLY_TRANSLATOR = new SinglePurposeMultipartReplyTranslator();
 107     public static final String QUEUE2_REQCTX = "QUEUE2REQCTX-";
 108
 109     private StatisticsGatheringUtils() {
 110         throw new IllegalStateException("This class should not be instantiated.");
 111     }
 112
 113
 114     public static ListenableFuture<Boolean> gatherStatistics(final StatisticsGatherer statisticsGatheringService,
 115                                                              final DeviceContext deviceContext,
 116                                                              final MultipartType type) {
 117         final String deviceId = deviceContext.getPrimaryConnectionContext().getNodeId().toString();
 118         EventIdentifier wholeProcessEventIdentifier = null;
 119         if (MultipartType.OFPMPFLOW.equals(type)) {
 120             wholeProcessEventIdentifier = new EventIdentifier(type.toString(), deviceId);
 121             EventsTimeCounter.markStart(wholeProcessEventIdentifier);
 122         }
 123         final EventIdentifier ofpQueuToRequestContextEventIdentifier = new EventIdentifier(QUEUE2_REQCTX + type.toString(), deviceId);
 124         final ListenableFuture<RpcResult<List<MultipartReply>>> statisticsDataInFuture =
 125                 JdkFutureAdapters.listenInPoolThread(statisticsGatheringService.getStatisticsOfType(
 126                         ofpQueuToRequestContextEventIdentifier, type));
 127         return transformAndStoreStatisticsData(statisticsDataInFuture, deviceContext, wholeProcessEventIdentifier, type);
 128     }
 129
 130     private static ListenableFuture<Boolean> transformAndStoreStatisticsData(final ListenableFuture<RpcResult<List<MultipartReply>>> statisticsDataInFuture,
 131                                                                              final DeviceContext deviceContext,
 132                                                                              final EventIdentifier eventIdentifier, final MultipartType type) {
 133         return Futures.transform(statisticsDataInFuture, new AsyncFunction<RpcResult<List<MultipartReply>>, Boolean>() {
 134             @Nullable
 135             @Override
 136             public ListenableFuture<Boolean> apply(final RpcResult<List<MultipartReply>> rpcResult) {
 137                 boolean isMultipartProcessed = Boolean.TRUE;
 138                 if (rpcResult.isSuccessful()) {
 139                     LOG.debug("Stats reply successfully received for node {} of type {}", deviceContext.getDeviceState().getNodeId(), type);
 140
 141                     // TODO: in case the result value is null then multipart data probably got processed on the fly -
 142                     // TODO: this contract should by clearly stated and enforced - now simple true value is returned
 143                     if (null != rpcResult.getResult()) {
 144                         Iterable<? extends DataObject> allMultipartData = Collections.emptyList();
 145                         DataObject multipartData = null;
 146
 147
 148                         try {
 149                             for (final MultipartReply singleReply : rpcResult.getResult()) {
 150                                 final List<? extends DataObject> multipartDataList = MULTIPART_REPLY_TRANSLATOR.translate(deviceContext, singleReply);
 151                                 multipartData = multipartDataList.get(0);
 152                                 allMultipartData = Iterables.concat(allMultipartData, multipartDataList);
 153                             }
 154                         } catch (final Exception e) {
 155                             LOG.warn("stats processing of type {} for node {} failed during transfomation step",
 156                                     type, deviceContext.getDeviceState().getNodeId(), e);
 157                             return Futures.immediateFailedFuture(e);
 158                         }
 159
 160
 161                         try {
 162                             if (multipartData instanceof GroupStatisticsUpdated) {
 163                                 processGroupStatistics((Iterable<GroupStatisticsUpdated>) allMultipartData, deviceContext);
 164                             } else if (multipartData instanceof MeterStatisticsUpdated) {
 165                                 processMetersStatistics((Iterable<MeterStatisticsUpdated>) allMultipartData, deviceContext);
 166                             } else if (multipartData instanceof NodeConnectorStatisticsUpdate) {
 167                                 processNodeConnectorStatistics((Iterable<NodeConnectorStatisticsUpdate>) allMultipartData, deviceContext);
 168                             } else if (multipartData instanceof FlowTableStatisticsUpdate) {
 169                                 processFlowTableStatistics((Iterable<FlowTableStatisticsUpdate>) allMultipartData, deviceContext);
 170                             } else if (multipartData instanceof QueueStatisticsUpdate) {
 171                                 processQueueStatistics((Iterable<QueueStatisticsUpdate>) allMultipartData, deviceContext);
 172                             } else if (multipartData instanceof FlowsStatisticsUpdate) {
 173                                 /* FlowStat Processing is realized by NettyThread only by initPhase, otherwise it is realized
 174                                  * by MD-SAL thread */
 175                                 return processFlowStatistics((Iterable<FlowsStatisticsUpdate>) allMultipartData, deviceContext, eventIdentifier);
 176
 177                             } else if (multipartData instanceof GroupDescStatsUpdated) {
 178                                 processGroupDescStats((Iterable<GroupDescStatsUpdated>) allMultipartData, deviceContext);
 179                             } else if (multipartData instanceof MeterConfigStatsUpdated) {
 180                                 processMeterConfigStatsUpdated((Iterable<MeterConfigStatsUpdated>) allMultipartData, deviceContext);
 181                             } else {
 182                                 isMultipartProcessed = Boolean.FALSE;
 183                             }
 184                         } catch (final Exception e) {
 185                             LOG.warn("stats processing of type {} for node {} failed during write-to-tx step",
 186                                     type, deviceContext.getDeviceState().getNodeId(), e);
 187                             return Futures.immediateFailedFuture(e);
 188                         }
 189
 190                         LOG.debug("Stats reply added to transaction for node {} of type {}", deviceContext.getDeviceState().getNodeId(), type);
 191
 192                         //TODO : implement experimenter
 193                     } else {
 194                         LOG.debug("Stats reply was empty for node {} of type {}", deviceContext.getDeviceState().getNodeId(), type);
 195                     }
 196
 197                 } else {
 198                     LOG.debug("Stats reply FAILED for node {} of type {}: {}", deviceContext.getDeviceState().getNodeId(), type, rpcResult.getErrors());
 199                     isMultipartProcessed = Boolean.FALSE;
 200                 }
 201                 return Futures.immediateFuture(isMultipartProcessed);
 202             }
 203         });
 204     }
 205
 206     private static void processMeterConfigStatsUpdated(final Iterable<MeterConfigStatsUpdated> data, final DeviceContext deviceContext) {
 207         final InstanceIdentifier<FlowCapableNode> fNodeIdent = assembleFlowCapableNodeInstanceIdentifier(deviceContext);
 208         deleteAllKnownMeters(deviceContext, fNodeIdent);
 209         for (final MeterConfigStatsUpdated meterConfigStatsUpdated : data) {
 210             for (final MeterConfigStats meterConfigStats : meterConfigStatsUpdated.getMeterConfigStats()) {
 211                 final MeterId meterId = meterConfigStats.getMeterId();
 212                 final InstanceIdentifier<Meter> meterInstanceIdentifier = fNodeIdent.child(Meter.class, new MeterKey(meterId));
 213
 214                 final MeterBuilder meterBuilder = new MeterBuilder(meterConfigStats);
 215                 meterBuilder.setKey(new MeterKey(meterId));
 216                 meterBuilder.addAugmentation(NodeMeterStatistics.class, new NodeMeterStatisticsBuilder().build());
 217                 deviceContext.getDeviceMeterRegistry().store(meterId);
 218                 deviceContext.writeToTransaction(LogicalDatastoreType.OPERATIONAL, meterInstanceIdentifier, meterBuilder.build());
 219             }
 220         }
 221         deviceContext.submitTransaction();
 222     }
 223
 224     private static ListenableFuture<Boolean> processFlowStatistics(final Iterable<FlowsStatisticsUpdate> data,
 225             final DeviceContext deviceContext, final EventIdentifier eventIdentifier) {
 226         final ListenableFuture<Void> deleFuture = deleteAllKnownFlows(deviceContext);
 227         return Futures.transform(deleFuture, new Function<Void, Boolean>() {
 228
 229             @Override
 230             public Boolean apply(final Void input) {
 231                 writeFlowStatistics(data, deviceContext);
 232                 deviceContext.submitTransaction();
 233                 EventsTimeCounter.markEnd(eventIdentifier);
 234                 return Boolean.TRUE;
 235             }
 236         });
 237     }
 238
 239     public static void writeFlowStatistics(final Iterable<FlowsStatisticsUpdate> data, final DeviceContext deviceContext) {
 240         final InstanceIdentifier<FlowCapableNode> fNodeIdent = assembleFlowCapableNodeInstanceIdentifier(deviceContext);
 241         for (final FlowsStatisticsUpdate flowsStatistics : data) {
 242             for (final FlowAndStatisticsMapList flowStat : flowsStatistics.getFlowAndStatisticsMapList()) {
 243                 final FlowBuilder flowBuilder = new FlowBuilder(flowStat);
 244                 flowBuilder.addAugmentation(FlowStatisticsData.class, refineFlowStatisticsAugmentation(flowStat).build());
 245
 246                 final short tableId = flowStat.getTableId();
 247                 final FlowRegistryKey flowRegistryKey = FlowRegistryKeyFactory.create(flowBuilder.build());
 248                 final FlowId flowId = deviceContext.getDeviceFlowRegistry().storeIfNecessary(flowRegistryKey, tableId);
 249
 250                 final FlowKey flowKey = new FlowKey(flowId);
 251                 flowBuilder.setKey(flowKey);
 252                 final TableKey tableKey = new TableKey(tableId);
 253                 final InstanceIdentifier<Flow> flowIdent = fNodeIdent.child(Table.class, tableKey).child(Flow.class, flowKey);
 254                 deviceContext.writeToTransaction(LogicalDatastoreType.OPERATIONAL, flowIdent, flowBuilder.build());
 255             }
 256         }
 257     }
 258
 259     /**
 260      * Method extracts flow statistics out of flowAndStatistics model
 261      *
 262      * @param flowAndStats
 263      */
 264     private static FlowStatisticsDataBuilder refineFlowStatisticsAugmentation(final FlowAndStatisticsMapList flowAndStats) {
 265         final FlowStatisticsBuilder flowStatisticsBuilder = new FlowStatisticsBuilder(flowAndStats);
 266         final FlowStatisticsDataBuilder flowStatisticsDataBld = new FlowStatisticsDataBuilder();
 267         flowStatisticsDataBld.setFlowStatistics(flowStatisticsBuilder.build());
 268         return flowStatisticsDataBld;
 269     }
 270
 271     public static ListenableFuture<Void> deleteAllKnownFlows(final DeviceContext deviceContext) {
 272         /* DeviceState.deviceSynchronized is a marker for actual phase - false means initPhase, true means noInitPhase */
 273         if (deviceContext.getDeviceState().deviceSynchronized()) {
 274             final InstanceIdentifier<FlowCapableNode> flowCapableNodePath = assembleFlowCapableNodeInstanceIdentifier(deviceContext);
 275             final ReadOnlyTransaction readTx = deviceContext.getReadTransaction();
 276             final CheckedFuture<Optional<FlowCapableNode>, ReadFailedException> flowCapableNodeFuture = readTx.read(
 277                     LogicalDatastoreType.OPERATIONAL, flowCapableNodePath);
 278
 279             /* we wish to close readTx for fallBack */
 280             Futures.withFallback(flowCapableNodeFuture, new FutureFallback<Optional<FlowCapableNode>>() {
 281
 282                 @Override
 283                 public ListenableFuture<Optional<FlowCapableNode>> create(final Throwable t) throws Exception {
 284                     readTx.close();
 285                     return Futures.immediateFailedFuture(t);
 286                 }
 287             });
 288             /*
 289              * we have to read actual tables with all information before we set empty Flow list, merge is expensive and
 290              * not applicable for lists
 291              */
 292             return Futures.transform(flowCapableNodeFuture, new AsyncFunction<Optional<FlowCapableNode>, Void>() {
 293
 294                 @Override
 295                 public ListenableFuture<Void> apply(final Optional<FlowCapableNode> flowCapNodeOpt) throws Exception {
 296                     if (flowCapNodeOpt.isPresent()) {
 297                         for (final Table tableData : flowCapNodeOpt.get().getTable()) {
 298                             final Table table = new TableBuilder(tableData).setFlow(Collections.<Flow> emptyList()).build();
 299                             final InstanceIdentifier<Table> iiToTable = flowCapableNodePath.child(Table.class, tableData.getKey());
 300                             deviceContext.writeToTransaction(LogicalDatastoreType.OPERATIONAL, iiToTable, table);
 301                         }
 302                     }
 303                     deviceContext.getDeviceFlowRegistry().removeMarked();
 304                     readTx.close();
 305                     return Futures.immediateFuture(null);
 306                 }
 307
 308             });
 309         }
 310         return Futures.immediateFuture(null);
 311     }
 312
 313     private static void processQueueStatistics(final Iterable<QueueStatisticsUpdate> data, final DeviceContext deviceContext) {
 314         // TODO: clean all queues of all node-connectors before writing up-to-date stats
 315         final InstanceIdentifier<Node> nodeIdent = deviceContext.getDeviceState().getNodeInstanceIdentifier();
 316         for (final QueueStatisticsUpdate queueStatisticsUpdate : data) {
 317             for (final QueueIdAndStatisticsMap queueStat : queueStatisticsUpdate.getQueueIdAndStatisticsMap()) {
 318                 if (queueStat.getQueueId() != null) {
 319                     final FlowCapableNodeConnectorQueueStatistics statChild =
 320                             new FlowCapableNodeConnectorQueueStatisticsBuilder(queueStat).build();
 321                     final FlowCapableNodeConnectorQueueStatisticsDataBuilder statBuild =
 322                             new FlowCapableNodeConnectorQueueStatisticsDataBuilder();
 323                     statBuild.setFlowCapableNodeConnectorQueueStatistics(statChild);
 324                     final QueueKey qKey = new QueueKey(queueStat.getQueueId());
 325                     final InstanceIdentifier<Queue> queueIdent = nodeIdent
 326                             .child(NodeConnector.class, new NodeConnectorKey(queueStat.getNodeConnectorId()))
 327                             .augmentation(FlowCapableNodeConnector.class)
 328                             .child(Queue.class, qKey);
 329                     final QueueBuilder queueBuilder = new QueueBuilder()
 330                             .setKey(qKey)
 331                             .setQueueId(queueStat.getQueueId())
 332                             // node-connector-id is already contained in parent node and the port-id here is of incompatible format
 333                             .addAugmentation(FlowCapableNodeConnectorQueueStatisticsData.class, statBuild.build());
 334                     deviceContext.writeToTransaction(LogicalDatastoreType.OPERATIONAL, queueIdent, queueBuilder.build());
 335                 }
 336             }
 337         }
 338         deviceContext.submitTransaction();
 339     }
 340
 341     private static void processFlowTableStatistics(final Iterable<FlowTableStatisticsUpdate> data, final DeviceContext deviceContext) {
 342         final InstanceIdentifier<FlowCapableNode> fNodeIdent = assembleFlowCapableNodeInstanceIdentifier(deviceContext);
 343         for (final FlowTableStatisticsUpdate flowTableStatisticsUpdate : data) {
 344
 345             for (final FlowTableAndStatisticsMap tableStat : flowTableStatisticsUpdate.getFlowTableAndStatisticsMap()) {
 346                 final InstanceIdentifier<FlowTableStatistics> tStatIdent = fNodeIdent.child(Table.class, new TableKey(tableStat.getTableId().getValue()))
 347                         .augmentation(FlowTableStatisticsData.class).child(FlowTableStatistics.class);
 348                 final FlowTableStatistics stats = new FlowTableStatisticsBuilder(tableStat).build();
 349                 deviceContext.writeToTransaction(LogicalDatastoreType.OPERATIONAL, tStatIdent, stats);
 350             }
 351         }
 352         deviceContext.submitTransaction();
 353     }
 354
 355     private static void processNodeConnectorStatistics(final Iterable<NodeConnectorStatisticsUpdate> data, final DeviceContext deviceContext) {
 356         final InstanceIdentifier<Node> nodeIdent = deviceContext.getDeviceState().getNodeInstanceIdentifier();
 357         for (final NodeConnectorStatisticsUpdate nodeConnectorStatisticsUpdate : data) {
 358             for (final NodeConnectorStatisticsAndPortNumberMap nConnectPort : nodeConnectorStatisticsUpdate.getNodeConnectorStatisticsAndPortNumberMap()) {
 359                 final FlowCapableNodeConnectorStatistics stats = new FlowCapableNodeConnectorStatisticsBuilder(nConnectPort).build();
 360                 final NodeConnectorKey key = new NodeConnectorKey(nConnectPort.getNodeConnectorId());
 361                 final InstanceIdentifier<NodeConnector> nodeConnectorIdent = nodeIdent.child(NodeConnector.class, key);
 362                 final InstanceIdentifier<FlowCapableNodeConnectorStatisticsData> nodeConnStatIdent = nodeConnectorIdent
 363                         .augmentation(FlowCapableNodeConnectorStatisticsData.class);
 364                 final InstanceIdentifier<FlowCapableNodeConnectorStatistics> flowCapNodeConnStatIdent =
 365                         nodeConnStatIdent.child(FlowCapableNodeConnectorStatistics.class);
 366                 deviceContext.writeToTransaction(LogicalDatastoreType.OPERATIONAL, flowCapNodeConnStatIdent, stats);
 367             }
 368         }
 369         deviceContext.submitTransaction();
 370     }
 371
 372     private static void processMetersStatistics(final Iterable<MeterStatisticsUpdated> data,
 373                                                 final DeviceContext deviceContext) {
 374         final InstanceIdentifier<FlowCapableNode> fNodeIdent = assembleFlowCapableNodeInstanceIdentifier(deviceContext);
 375         for (final MeterStatisticsUpdated meterStatisticsUpdated : data) {
 376             for (final MeterStats mStat : meterStatisticsUpdated.getMeterStats()) {
 377                 final MeterStatistics stats = new MeterStatisticsBuilder(mStat).build();
 378                 final MeterId meterId = mStat.getMeterId();
 379                 final InstanceIdentifier<Meter> meterIdent = fNodeIdent.child(Meter.class, new MeterKey(meterId));
 380                 final InstanceIdentifier<NodeMeterStatistics> nodeMeterStatIdent = meterIdent
 381                         .augmentation(NodeMeterStatistics.class);
 382                 final InstanceIdentifier<MeterStatistics> msIdent = nodeMeterStatIdent.child(MeterStatistics.class);
 383                 deviceContext.writeToTransaction(LogicalDatastoreType.OPERATIONAL, msIdent, stats);
 384             }
 385         }
 386         deviceContext.submitTransaction();
 387     }
 388
 389     private static void deleteAllKnownMeters(final DeviceContext deviceContext, final InstanceIdentifier<FlowCapableNode> fNodeIdent) {
 390         for (final MeterId meterId : deviceContext.getDeviceMeterRegistry().getAllMeterIds()) {
 391             final InstanceIdentifier<Meter> meterIdent = fNodeIdent.child(Meter.class, new MeterKey(meterId));
 392             deviceContext.addDeleteToTxChain(LogicalDatastoreType.OPERATIONAL, meterIdent);
 393         }
 394         deviceContext.getDeviceMeterRegistry().removeMarked();
 395     }
 396
 397     private static void processGroupDescStats(final Iterable<GroupDescStatsUpdated> data, final DeviceContext deviceContext) {
 398         final InstanceIdentifier<FlowCapableNode> fNodeIdent =
 399                 deviceContext.getDeviceState().getNodeInstanceIdentifier().augmentation(FlowCapableNode.class);
 400         deleteAllKnownGroups(deviceContext, fNodeIdent);
 401
 402         for (final GroupDescStatsUpdated groupDescStatsUpdated : data) {
 403             for (final GroupDescStats groupDescStats : groupDescStatsUpdated.getGroupDescStats()) {
 404                 final GroupId groupId = groupDescStats.getGroupId();
 405
 406                 final GroupBuilder groupBuilder = new GroupBuilder(groupDescStats);
 407                 groupBuilder.setKey(new GroupKey(groupId));
 408                 groupBuilder.addAugmentation(NodeGroupStatistics.class, new NodeGroupStatisticsBuilder().build());
 409
 410                 final InstanceIdentifier<Group> groupIdent = fNodeIdent.child(Group.class, new GroupKey(groupId));
 411
 412                 deviceContext.getDeviceGroupRegistry().store(groupId);
 413                 deviceContext.writeToTransaction(LogicalDatastoreType.OPERATIONAL, groupIdent, groupBuilder.build());
 414             }
 415         }
 416         deviceContext.submitTransaction();
 417     }
 418
 419     private static void deleteAllKnownGroups(final DeviceContext deviceContext, final InstanceIdentifier<FlowCapableNode> fNodeIdent) {
 420         for (final GroupId groupId : deviceContext.getDeviceGroupRegistry().getAllGroupIds()) {
 421             final InstanceIdentifier<Group> groupIdent = fNodeIdent.child(Group.class, new GroupKey(groupId));
 422             deviceContext.addDeleteToTxChain(LogicalDatastoreType.OPERATIONAL, groupIdent);
 423         }
 424         deviceContext.getDeviceGroupRegistry().removeMarked();
 425     }
 426
 427     private static void processGroupStatistics(final Iterable<GroupStatisticsUpdated> data, final DeviceContext deviceContext) {
 428         final InstanceIdentifier<FlowCapableNode> fNodeIdent = assembleFlowCapableNodeInstanceIdentifier(deviceContext);
 429         for (final GroupStatisticsUpdated groupStatistics : data) {
 430             for (final GroupStats groupStats : groupStatistics.getGroupStats()) {
 431
 432                 final InstanceIdentifier<Group> groupIdent = fNodeIdent.child(Group.class, new GroupKey(groupStats.getGroupId()));
 433                 final InstanceIdentifier<NodeGroupStatistics> nGroupStatIdent = groupIdent
 434                         .augmentation(NodeGroupStatistics.class);
 435
 436                 final InstanceIdentifier<GroupStatistics> gsIdent = nGroupStatIdent.child(GroupStatistics.class);
 437                 final GroupStatistics stats = new GroupStatisticsBuilder(groupStats).build();
 438                 deviceContext.writeToTransaction(LogicalDatastoreType.OPERATIONAL, gsIdent, stats);
 439             }
 440         }
 441         deviceContext.submitTransaction();
 442     }
 443
 444     private static InstanceIdentifier<FlowCapableNode> assembleFlowCapableNodeInstanceIdentifier(final DeviceContext deviceContext) {
 445         return deviceContext.getDeviceState().getNodeInstanceIdentifier().augmentation(FlowCapableNode.class);
 446     }
 447 }