opendaylight/md-sal/statistics-manager/src/main/java/org/opendaylight/controller/md/statistics/manager/StatisticsProvider.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.ArrayList;
  11 import java.util.List;
  12 import java.util.concurrent.ConcurrentHashMap;
  13 import java.util.concurrent.ConcurrentMap;
  14 import java.util.concurrent.ExecutionException;
  15 import java.util.concurrent.Future;
  16
  17 import org.eclipse.xtext.xbase.lib.Exceptions;
  18 import org.opendaylight.controller.md.statistics.manager.MultipartMessageManager.StatsRequestType;
  19 import org.opendaylight.controller.sal.binding.api.NotificationProviderService;
  20 import org.opendaylight.controller.sal.binding.api.data.DataBrokerService;
  21 import org.opendaylight.controller.sal.binding.api.data.DataModificationTransaction;
  22 import org.opendaylight.controller.sal.binding.api.data.DataProviderService;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNode;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNodeConnector;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.meters.Meter;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.tables.Table;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.tables.table.Flow;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.statistics.rev130819.GetAggregateFlowStatisticsFromFlowTableForAllFlowsInputBuilder;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.statistics.rev130819.GetAggregateFlowStatisticsFromFlowTableForAllFlowsOutput;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.statistics.rev130819.GetAllFlowsStatisticsFromAllFlowTablesInputBuilder;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.statistics.rev130819.GetAllFlowsStatisticsFromAllFlowTablesOutput;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.statistics.rev130819.GetFlowStatisticsFromFlowTableInputBuilder;
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.statistics.rev130819.GetFlowStatisticsFromFlowTableOutput;
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.statistics.rev130819.OpendaylightFlowStatisticsService;
  35 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.table.statistics.rev131215.GetFlowTablesStatisticsInputBuilder;
  36 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.table.statistics.rev131215.GetFlowTablesStatisticsOutput;
  37 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.table.statistics.rev131215.OpendaylightFlowTableStatisticsService;
  38 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.port.rev130925.queues.Queue;
  39 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.queue.rev130925.QueueId;
  40 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.statistics.rev131111.GetAllGroupStatisticsInputBuilder;
  41 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.statistics.rev131111.GetAllGroupStatisticsOutput;
  42 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.statistics.rev131111.GetGroupDescriptionInputBuilder;
  43 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.statistics.rev131111.GetGroupDescriptionOutput;
  44 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.statistics.rev131111.OpendaylightGroupStatisticsService;
  45 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.groups.Group;
  46 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeConnectorId;
  47 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeId;
  48 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeRef;
  49 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.Nodes;
  50 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.node.NodeConnector;
  51 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node;
  52 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.NodeKey;
  53 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.statistics.rev131111.GetAllMeterConfigStatisticsInputBuilder;
  54 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.statistics.rev131111.GetAllMeterConfigStatisticsOutput;
  55 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.statistics.rev131111.GetAllMeterStatisticsInputBuilder;
  56 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.statistics.rev131111.GetAllMeterStatisticsOutput;
  57 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.statistics.rev131111.OpendaylightMeterStatisticsService;
  58 import org.opendaylight.yang.gen.v1.urn.opendaylight.port.statistics.rev131214.GetAllNodeConnectorsStatisticsInputBuilder;
  59 import org.opendaylight.yang.gen.v1.urn.opendaylight.port.statistics.rev131214.GetAllNodeConnectorsStatisticsOutput;
  60 import org.opendaylight.yang.gen.v1.urn.opendaylight.port.statistics.rev131214.OpendaylightPortStatisticsService;
  61 import org.opendaylight.yang.gen.v1.urn.opendaylight.queue.statistics.rev131216.GetAllQueuesStatisticsFromAllPortsInputBuilder;
  62 import org.opendaylight.yang.gen.v1.urn.opendaylight.queue.statistics.rev131216.GetAllQueuesStatisticsFromAllPortsOutput;
  63 import org.opendaylight.yang.gen.v1.urn.opendaylight.queue.statistics.rev131216.GetQueueStatisticsFromGivenPortInputBuilder;
  64 import org.opendaylight.yang.gen.v1.urn.opendaylight.queue.statistics.rev131216.GetQueueStatisticsFromGivenPortOutput;
  65 import org.opendaylight.yang.gen.v1.urn.opendaylight.queue.statistics.rev131216.OpendaylightQueueStatisticsService;
  66 import org.opendaylight.yangtools.concepts.Registration;
  67 import org.opendaylight.yangtools.yang.binding.DataObject;
  68 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  69 import org.opendaylight.yangtools.yang.binding.NotificationListener;
  70 import org.opendaylight.yangtools.yang.common.RpcResult;
  71 import org.slf4j.Logger;
  72 import org.slf4j.LoggerFactory;
  73
  74 /**
  75  * Following are main responsibilities of the class:
  76  * 1) Invoke statistics request thread to send periodic statistics request to all the
  77  * flow capable switch connected to the controller. It sends statistics request for
  78  * Group,Meter,Table,Flow,Queue,Aggregate stats.
  79  *
  80  * 2) Invoke statistics ager thread, to clean up all the stale statistics data from
  81  * operational data store.
  82  *
  83  * @author avishnoi@in.ibm.com
  84  *
  85  */
  86 public class StatisticsProvider implements AutoCloseable {
  87
  88     public final static Logger spLogger = LoggerFactory.getLogger(StatisticsProvider.class);
  89
  90     private DataProviderService dps;
  91
  92     private DataBrokerService dbs;
  93
  94     private NotificationProviderService nps;
  95
  96     private OpendaylightGroupStatisticsService groupStatsService;
  97
  98     private OpendaylightMeterStatisticsService meterStatsService;
  99
 100     private OpendaylightFlowStatisticsService flowStatsService;
 101
 102     private OpendaylightPortStatisticsService portStatsService;
 103
 104     private OpendaylightFlowTableStatisticsService flowTableStatsService;
 105
 106     private OpendaylightQueueStatisticsService queueStatsService;
 107
 108     private final MultipartMessageManager multipartMessageManager = new MultipartMessageManager();
 109
 110     private StatisticsUpdateHandler statsUpdateHandler;
 111
 112     private Thread statisticsRequesterThread;
 113
 114     private Thread statisticsAgerThread;
 115
 116     private final  InstanceIdentifier<Nodes> nodesIdentifier = InstanceIdentifier.builder(Nodes.class).toInstance();
 117
 118     public static final int STATS_THREAD_EXECUTION_TIME= 15000;
 119     //Local caching of stats
 120
 121     private final ConcurrentMap<NodeId,NodeStatisticsAger> statisticsCache =
 122             new ConcurrentHashMap<NodeId,NodeStatisticsAger>();
 123
 124     public DataProviderService getDataService() {
 125       return this.dps;
 126     }
 127
 128     public void setDataService(final DataProviderService dataService) {
 129       this.dps = dataService;
 130     }
 131
 132     public DataBrokerService getDataBrokerService() {
 133         return this.dbs;
 134     }
 135
 136     public void setDataBrokerService(final DataBrokerService dataBrokerService) {
 137         this.dbs = dataBrokerService;
 138     }
 139
 140     public NotificationProviderService getNotificationService() {
 141       return this.nps;
 142     }
 143
 144     public void setNotificationService(final NotificationProviderService notificationService) {
 145       this.nps = notificationService;
 146     }
 147
 148     public MultipartMessageManager getMultipartMessageManager() {
 149         return multipartMessageManager;
 150     }
 151
 152     private final StatisticsUpdateCommiter updateCommiter = new StatisticsUpdateCommiter(StatisticsProvider.this);
 153
 154     private Registration<NotificationListener> listenerRegistration;
 155
 156     public void start() {
 157
 158         NotificationProviderService nps = this.getNotificationService();
 159         Registration<NotificationListener> registerNotificationListener = nps.registerNotificationListener(this.updateCommiter);
 160         this.listenerRegistration = registerNotificationListener;
 161
 162         statsUpdateHandler = new StatisticsUpdateHandler(StatisticsProvider.this);
 163
 164         registerDataStoreUpdateListener(this.getDataBrokerService());
 165
 166         // Get Group/Meter statistics service instance
 167         groupStatsService = StatisticsManagerActivator.getProviderContext().
 168                 getRpcService(OpendaylightGroupStatisticsService.class);
 169
 170         meterStatsService = StatisticsManagerActivator.getProviderContext().
 171                 getRpcService(OpendaylightMeterStatisticsService.class);
 172
 173         flowStatsService = StatisticsManagerActivator.getProviderContext().
 174                 getRpcService(OpendaylightFlowStatisticsService.class);
 175
 176         portStatsService = StatisticsManagerActivator.getProviderContext().
 177                 getRpcService(OpendaylightPortStatisticsService.class);
 178
 179         flowTableStatsService = StatisticsManagerActivator.getProviderContext().
 180                 getRpcService(OpendaylightFlowTableStatisticsService.class);
 181
 182         queueStatsService = StatisticsManagerActivator.getProviderContext().
 183                 getRpcService(OpendaylightQueueStatisticsService.class);
 184
 185         statisticsRequesterThread = new Thread( new Runnable(){
 186
 187             @Override
 188             public void run() {
 189                 while(true){
 190                     try {
 191                         statsRequestSender();
 192
 193                         Thread.sleep(STATS_THREAD_EXECUTION_TIME);
 194                     }catch (Exception e){
 195                         spLogger.error("Exception occurred while sending stats request : {}",e);
 196                     }
 197                 }
 198             }
 199         });
 200
 201         spLogger.debug("Statistics requester thread started with timer interval : {}",STATS_THREAD_EXECUTION_TIME);
 202
 203         statisticsRequesterThread.start();
 204
 205         statisticsAgerThread = new Thread( new Runnable(){
 206
 207             @Override
 208             public void run() {
 209                 while(true){
 210                     try {
 211                         for(NodeStatisticsAger nodeStatisticsAger : statisticsCache.values()){
 212                             nodeStatisticsAger.cleanStaleStatistics();
 213                         }
 214                         multipartMessageManager.cleanStaleTransactionIds();
 215
 216                         Thread.sleep(STATS_THREAD_EXECUTION_TIME);
 217                     }catch (Exception e){
 218                         spLogger.error("Exception occurred while sending stats request : {}",e);
 219                     }
 220                 }
 221             }
 222         });
 223
 224         spLogger.debug("Statistics ager thread started with timer interval : {}",STATS_THREAD_EXECUTION_TIME);
 225
 226         statisticsAgerThread.start();
 227
 228         spLogger.info("Statistics Provider started.");
 229     }
 230
 231     private void registerDataStoreUpdateListener(DataBrokerService dbs) {
 232         //Register for Node updates
 233         InstanceIdentifier<? extends DataObject> pathNode = InstanceIdentifier.builder(Nodes.class)
 234                                                                         .child(Node.class).toInstance();
 235         dbs.registerDataChangeListener(pathNode, statsUpdateHandler);
 236
 237         //Register for flow updates
 238         InstanceIdentifier<? extends DataObject> pathFlow = InstanceIdentifier.builder(Nodes.class).child(Node.class)
 239                                                                     .augmentation(FlowCapableNode.class)
 240                                                                     .child(Table.class)
 241                                                                     .child(Flow.class).toInstance();
 242         dbs.registerDataChangeListener(pathFlow, statsUpdateHandler);
 243
 244         //Register for meter updates
 245         InstanceIdentifier<? extends DataObject> pathMeter = InstanceIdentifier.builder(Nodes.class).child(Node.class)
 246                                                     .augmentation(FlowCapableNode.class)
 247                                                     .child(Meter.class).toInstance();
 248
 249         dbs.registerDataChangeListener(pathMeter, statsUpdateHandler);
 250
 251         //Register for group updates
 252         InstanceIdentifier<? extends DataObject> pathGroup = InstanceIdentifier.builder(Nodes.class).child(Node.class)
 253                                                     .augmentation(FlowCapableNode.class)
 254                                                     .child(Group.class).toInstance();
 255         dbs.registerDataChangeListener(pathGroup, statsUpdateHandler);
 256
 257         //Register for queue updates
 258         InstanceIdentifier<? extends DataObject> pathQueue = InstanceIdentifier.builder(Nodes.class).child(Node.class)
 259                                                                     .child(NodeConnector.class)
 260                                                                     .augmentation(FlowCapableNodeConnector.class)
 261                                                                     .child(Queue.class).toInstance();
 262         dbs.registerDataChangeListener(pathQueue, statsUpdateHandler);
 263     }
 264
 265     protected DataModificationTransaction startChange() {
 266
 267         DataProviderService dps = this.getDataService();
 268         return dps.beginTransaction();
 269     }
 270
 271     private void statsRequestSender(){
 272
 273         List<Node> targetNodes = getAllConnectedNodes();
 274
 275         if(targetNodes == null)
 276             return;
 277
 278
 279         for (Node targetNode : targetNodes){
 280
 281             if(targetNode.getAugmentation(FlowCapableNode.class) != null){
 282                 sendStatisticsRequestsToNode(targetNode);
 283             }
 284         }
 285     }
 286
 287     public void sendStatisticsRequestsToNode(Node targetNode){
 288
 289         spLogger.debug("Send requests for statistics collection to node : {})",targetNode.getId());
 290
 291         InstanceIdentifier<Node> targetInstanceId = InstanceIdentifier.builder(Nodes.class).child(Node.class,targetNode.getKey()).toInstance();
 292
 293         NodeRef targetNodeRef = new NodeRef(targetInstanceId);
 294
 295         try{
 296             sendAggregateFlowsStatsFromAllTablesRequest(targetNode.getKey());
 297
 298             sendAllFlowsStatsFromAllTablesRequest(targetNodeRef);
 299
 300             sendAllNodeConnectorsStatisticsRequest(targetNodeRef);
 301
 302             sendAllFlowTablesStatisticsRequest(targetNodeRef);
 303
 304             sendAllQueueStatsFromAllNodeConnector (targetNodeRef);
 305
 306             sendAllGroupStatisticsRequest(targetNodeRef);
 307
 308             sendAllMeterStatisticsRequest(targetNodeRef);
 309
 310             sendGroupDescriptionRequest(targetNodeRef);
 311
 312             sendMeterConfigStatisticsRequest(targetNodeRef);
 313         }catch(Exception e){
 314             spLogger.error("Exception occured while sending statistics requests : {}", e);
 315         }
 316     }
 317
 318
 319     public void sendAllFlowTablesStatisticsRequest(NodeRef targetNodeRef) throws InterruptedException, ExecutionException {
 320         final GetFlowTablesStatisticsInputBuilder input =
 321                 new GetFlowTablesStatisticsInputBuilder();
 322
 323         input.setNode(targetNodeRef);
 324
 325         Future<RpcResult<GetFlowTablesStatisticsOutput>> response =
 326                 flowTableStatsService.getFlowTablesStatistics(input.build());
 327
 328         this.multipartMessageManager.addTxIdToRequestTypeEntry(getNodeId(targetNodeRef),response.get().getResult().getTransactionId()
 329                 , StatsRequestType.ALL_FLOW_TABLE);
 330
 331     }
 332
 333     public void sendAllFlowsStatsFromAllTablesRequest(NodeRef targetNode) throws InterruptedException, ExecutionException{
 334         final GetAllFlowsStatisticsFromAllFlowTablesInputBuilder input =
 335                 new GetAllFlowsStatisticsFromAllFlowTablesInputBuilder();
 336
 337         input.setNode(targetNode);
 338
 339         Future<RpcResult<GetAllFlowsStatisticsFromAllFlowTablesOutput>> response =
 340                 flowStatsService.getAllFlowsStatisticsFromAllFlowTables(input.build());
 341
 342         this.multipartMessageManager.addTxIdToRequestTypeEntry(getNodeId(targetNode), response.get().getResult().getTransactionId()
 343                 , StatsRequestType.ALL_FLOW);
 344
 345     }
 346
 347     public void sendFlowStatsFromTableRequest(NodeRef targetNode,Flow flow) throws InterruptedException, ExecutionException{
 348         final GetFlowStatisticsFromFlowTableInputBuilder input =
 349                 new GetFlowStatisticsFromFlowTableInputBuilder();
 350
 351         input.setNode(targetNode);
 352         input.fieldsFrom(flow);
 353
 354         Future<RpcResult<GetFlowStatisticsFromFlowTableOutput>> response =
 355                 flowStatsService.getFlowStatisticsFromFlowTable(input.build());
 356
 357         this.multipartMessageManager.addTxIdToRequestTypeEntry(getNodeId(targetNode), response.get().getResult().getTransactionId()
 358                 , StatsRequestType.ALL_FLOW);
 359
 360     }
 361
 362     public void sendAggregateFlowsStatsFromAllTablesRequest(NodeKey targetNodeKey) throws InterruptedException, ExecutionException{
 363
 364         List<Short> tablesId = getTablesFromNode(targetNodeKey);
 365
 366         if(tablesId.size() != 0){
 367             for(Short id : tablesId){
 368
 369                 spLogger.debug("Send aggregate stats request for flow table {} to node {}",id,targetNodeKey);
 370                 GetAggregateFlowStatisticsFromFlowTableForAllFlowsInputBuilder input =
 371                         new GetAggregateFlowStatisticsFromFlowTableForAllFlowsInputBuilder();
 372
 373                 input.setNode(new NodeRef(InstanceIdentifier.builder(Nodes.class).child(Node.class, targetNodeKey).toInstance()));
 374                 input.setTableId(new org.opendaylight.yang.gen.v1.urn.opendaylight.table.types.rev131026.TableId(id));
 375                 Future<RpcResult<GetAggregateFlowStatisticsFromFlowTableForAllFlowsOutput>> response =
 376                         flowStatsService.getAggregateFlowStatisticsFromFlowTableForAllFlows(input.build());
 377
 378                 multipartMessageManager.setTxIdAndTableIdMapEntry(targetNodeKey.getId(), response.get().getResult().getTransactionId(), id);
 379                 this.multipartMessageManager.addTxIdToRequestTypeEntry(targetNodeKey.getId(), response.get().getResult().getTransactionId()
 380                         , StatsRequestType.AGGR_FLOW);
 381             }
 382         }else{
 383             spLogger.debug("No details found in data store for flow tables associated with Node {}",targetNodeKey);
 384         }
 385     }
 386
 387     public void sendAllNodeConnectorsStatisticsRequest(NodeRef targetNode) throws InterruptedException, ExecutionException{
 388
 389         final GetAllNodeConnectorsStatisticsInputBuilder input = new GetAllNodeConnectorsStatisticsInputBuilder();
 390
 391         input.setNode(targetNode);
 392
 393         Future<RpcResult<GetAllNodeConnectorsStatisticsOutput>> response =
 394                 portStatsService.getAllNodeConnectorsStatistics(input.build());
 395         this.multipartMessageManager.addTxIdToRequestTypeEntry(getNodeId(targetNode), response.get().getResult().getTransactionId()
 396                 , StatsRequestType.ALL_PORT);
 397
 398     }
 399
 400     public void sendAllGroupStatisticsRequest(NodeRef targetNode) throws InterruptedException, ExecutionException{
 401
 402         final GetAllGroupStatisticsInputBuilder input = new GetAllGroupStatisticsInputBuilder();
 403
 404         input.setNode(targetNode);
 405
 406         Future<RpcResult<GetAllGroupStatisticsOutput>> response =
 407                 groupStatsService.getAllGroupStatistics(input.build());
 408
 409         this.multipartMessageManager.addTxIdToRequestTypeEntry(getNodeId(targetNode), response.get().getResult().getTransactionId()
 410                 , StatsRequestType.ALL_GROUP);
 411
 412     }
 413
 414     public void sendGroupDescriptionRequest(NodeRef targetNode) throws InterruptedException, ExecutionException{
 415         final GetGroupDescriptionInputBuilder input = new GetGroupDescriptionInputBuilder();
 416
 417         input.setNode(targetNode);
 418
 419         Future<RpcResult<GetGroupDescriptionOutput>> response =
 420                 groupStatsService.getGroupDescription(input.build());
 421
 422         this.multipartMessageManager.addTxIdToRequestTypeEntry(getNodeId(targetNode), response.get().getResult().getTransactionId()
 423                 , StatsRequestType.GROUP_DESC);
 424
 425     }
 426
 427     public void sendAllMeterStatisticsRequest(NodeRef targetNode) throws InterruptedException, ExecutionException{
 428
 429         GetAllMeterStatisticsInputBuilder input = new GetAllMeterStatisticsInputBuilder();
 430
 431         input.setNode(targetNode);
 432
 433         Future<RpcResult<GetAllMeterStatisticsOutput>> response =
 434                 meterStatsService.getAllMeterStatistics(input.build());
 435
 436         this.multipartMessageManager.addTxIdToRequestTypeEntry(getNodeId(targetNode), response.get().getResult().getTransactionId()
 437                 , StatsRequestType.ALL_METER);;
 438
 439     }
 440
 441     public void sendMeterConfigStatisticsRequest(NodeRef targetNode) throws InterruptedException, ExecutionException{
 442
 443         GetAllMeterConfigStatisticsInputBuilder input = new GetAllMeterConfigStatisticsInputBuilder();
 444
 445         input.setNode(targetNode);
 446
 447         Future<RpcResult<GetAllMeterConfigStatisticsOutput>> response =
 448                 meterStatsService.getAllMeterConfigStatistics(input.build());
 449
 450         this.multipartMessageManager.addTxIdToRequestTypeEntry(getNodeId(targetNode), response.get().getResult().getTransactionId()
 451                 , StatsRequestType.METER_CONFIG);;
 452
 453     }
 454
 455     public void sendAllQueueStatsFromAllNodeConnector(NodeRef targetNode) throws InterruptedException, ExecutionException {
 456         GetAllQueuesStatisticsFromAllPortsInputBuilder input = new GetAllQueuesStatisticsFromAllPortsInputBuilder();
 457
 458         input.setNode(targetNode);
 459
 460         Future<RpcResult<GetAllQueuesStatisticsFromAllPortsOutput>> response =
 461                 queueStatsService.getAllQueuesStatisticsFromAllPorts(input.build());
 462
 463         this.multipartMessageManager.addTxIdToRequestTypeEntry(getNodeId(targetNode), response.get().getResult().getTransactionId()
 464                 , StatsRequestType.ALL_QUEUE_STATS);;
 465
 466     }
 467
 468     public void sendQueueStatsFromGivenNodeConnector(NodeRef targetNode,NodeConnectorId nodeConnectorId, QueueId queueId) throws InterruptedException, ExecutionException {
 469         GetQueueStatisticsFromGivenPortInputBuilder input = new GetQueueStatisticsFromGivenPortInputBuilder();
 470
 471         input.setNode(targetNode);
 472         input.setNodeConnectorId(nodeConnectorId);
 473         input.setQueueId(queueId);
 474         Future<RpcResult<GetQueueStatisticsFromGivenPortOutput>> response =
 475                 queueStatsService.getQueueStatisticsFromGivenPort(input.build());
 476
 477         this.multipartMessageManager.addTxIdToRequestTypeEntry(getNodeId(targetNode), response.get().getResult().getTransactionId()
 478                 , StatsRequestType.ALL_QUEUE_STATS);;
 479
 480     }
 481
 482     public ConcurrentMap<NodeId, NodeStatisticsAger> getStatisticsCache() {
 483         return statisticsCache;
 484     }
 485
 486     private List<Node> getAllConnectedNodes(){
 487
 488         Nodes nodes = (Nodes) dps.readOperationalData(nodesIdentifier);
 489         if(nodes == null)
 490             return null;
 491
 492         spLogger.info("Number of connected nodes : {}",nodes.getNode().size());
 493         return nodes.getNode();
 494     }
 495
 496     private List<Short> getTablesFromNode(NodeKey nodeKey){
 497         InstanceIdentifier<FlowCapableNode> nodesIdentifier = InstanceIdentifier.builder(Nodes.class).child(Node.class,nodeKey).augmentation(FlowCapableNode.class).toInstance();
 498
 499         FlowCapableNode node = (FlowCapableNode)dps.readOperationalData(nodesIdentifier);
 500         List<Short> tablesId = new ArrayList<Short>();
 501         if(node != null && node.getTable()!=null){
 502             spLogger.info("Number of tables {} supported by node {}",node.getTable().size(),nodeKey);
 503             for(Table table: node.getTable()){
 504                 tablesId.add(table.getId());
 505             }
 506         }
 507         return tablesId;
 508     }
 509
 510     @SuppressWarnings("unchecked")
 511     private NodeId getNodeId(NodeRef nodeRef){
 512         InstanceIdentifier<Node> nodeII = (InstanceIdentifier<Node>) nodeRef.getValue();
 513         NodeKey nodeKey = InstanceIdentifier.keyOf(nodeII);
 514         return nodeKey.getId();
 515     }
 516
 517     @SuppressWarnings("deprecation")
 518     @Override
 519     public void close(){
 520
 521         try {
 522             spLogger.info("Statistics Provider stopped.");
 523             if (this.listenerRegistration != null) {
 524
 525                 this.listenerRegistration.close();
 526
 527                 this.statisticsRequesterThread.destroy();
 528
 529                 this.statisticsAgerThread.destroy();
 530
 531             }
 532           } catch (Throwable e) {
 533             throw Exceptions.sneakyThrow(e);
 534           }
 535     }
 536
 537 }