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