opendaylight/md-sal/forwardingrules-manager/src/main/java/org/opendaylight/controller/forwardingrulesmanager/consumer/impl/FlowConsumerImpl.java

   1 package org.opendaylight.controller.forwardingrulesmanager.consumer.impl;
   2
   3 import java.util.ArrayList;
   4 import java.util.EnumSet;
   5 import java.util.HashMap;
   6 import java.util.List;
   7 import java.util.Map;
   8 import java.util.Map.Entry;
   9 import java.util.Set;
  10 import java.util.concurrent.ConcurrentHashMap;
  11 import java.util.concurrent.ConcurrentMap;
  12 import java.util.concurrent.Future;
  13
  14 import org.opendaylight.controller.clustering.services.CacheConfigException;
  15 import org.opendaylight.controller.clustering.services.CacheExistException;
  16 import org.opendaylight.controller.clustering.services.IClusterContainerServices;
  17 import org.opendaylight.controller.clustering.services.IClusterServices;
  18 import org.opendaylight.controller.md.sal.common.api.data.DataCommitHandler;
  19 import org.opendaylight.controller.md.sal.common.api.data.DataCommitHandler.DataCommitTransaction;
  20 import org.opendaylight.controller.md.sal.common.api.data.DataModification;
  21 import org.opendaylight.controller.sal.common.util.Rpcs;
  22 import org.opendaylight.controller.sal.core.IContainer;
  23 import org.opendaylight.controller.sal.utils.GlobalConstants;
  24 import org.opendaylight.controller.sal.utils.ServiceHelper;
  25 import org.opendaylight.controller.sal.utils.Status;
  26 import org.opendaylight.controller.sal.utils.StatusCode;
  27 import org.opendaylight.controller.switchmanager.ISwitchManager;
  28 import org.opendaylight.controller.switchmanager.Switch;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.config.rev130819.Flows;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.config.rev130819.flows.Flow;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.config.rev130819.flows.FlowKey;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.AddFlowInput;
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.AddFlowInputBuilder;
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.AddFlowOutput;
  35 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.FlowAdded;
  36 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.FlowRemoved;
  37 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.FlowUpdated;
  38 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.NodeErrorNotification;
  39 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.NodeExperimenterErrorNotification;
  40 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.NodeFlow;
  41 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.RemoveFlowInputBuilder;
  42 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.SalFlowListener;
  43 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.SalFlowService;
  44 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.SwitchFlowRemoved;
  45 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.UpdateFlowInputBuilder;
  46 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.flow.update.UpdatedFlowBuilder;
  47 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.instruction.list.Instruction;
  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.nodes.Node;
  52 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.NodeKey;
  53 import org.opendaylight.yangtools.concepts.Registration;
  54 import org.opendaylight.yangtools.yang.binding.DataObject;
  55 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  56 import org.opendaylight.yangtools.yang.binding.NotificationListener;
  57 import org.opendaylight.yangtools.yang.common.RpcResult;
  58 import org.slf4j.Logger;
  59 import org.slf4j.LoggerFactory;
  60
  61 public class FlowConsumerImpl implements IForwardingRulesManager {
  62     protected static final Logger logger = LoggerFactory.getLogger(FlowConsumerImpl.class);
  63     private final FlowEventListener flowEventListener = new FlowEventListener();
  64     private Registration<NotificationListener> listener1Reg;
  65     private SalFlowService flowService;
  66     // private FlowDataListener listener;
  67     private FlowDataCommitHandler commitHandler;
  68     private static ConcurrentHashMap<FlowKey, Flow> originalSwView;
  69     private static ConcurrentMap<FlowKey, Flow> installedSwView;
  70     private IClusterContainerServices clusterContainerService = null;
  71     private IContainer container;
  72     private static final String NAMEREGEX = "^[a-zA-Z0-9]+$";
  73     private static ConcurrentMap<Integer, Flow> staticFlows;
  74     private static ConcurrentMap<Integer, Integer> staticFlowsOrdinal;
  75     /*
  76      * Inactive flow list. This is for the global instance of FRM It will
  77      * contain all the flow entries which were installed on the global container
  78      * when the first container is created.
  79      */
  80     private static ConcurrentMap<FlowKey, Flow> inactiveFlows;
  81
  82     /*
  83      * /* Per node indexing
  84      */
  85     private static ConcurrentMap<Node, List<Flow>> nodeFlows;
  86     private boolean inContainerMode; // being used by global instance only
  87
  88     public FlowConsumerImpl() {
  89         InstanceIdentifier<? extends DataObject> path = InstanceIdentifier.builder().node(Flows.class).toInstance();
  90         flowService = FRMConsumerImpl.getProviderSession().getRpcService(SalFlowService.class);
  91
  92         if (null == flowService) {
  93             logger.error("Consumer SAL Service is down or NULL. FRM may not function as intended");
  94             System.out.println("Consumer SAL Service is down or NULL.");
  95             return;
  96         }
  97
  98         // listener = new FlowDataListener();
  99
 100         // if (null ==
 101         // FRMConsumerImpl.getDataBrokerService().registerDataChangeListener(path,
 102         // listener)) {
 103         // logger.error("Failed to listen on flow data modifcation events");
 104         // System.out.println("Consumer SAL Service is down or NULL.");
 105         // return;
 106         // }
 107
 108         // For switch events
 109         listener1Reg = FRMConsumerImpl.getNotificationService().registerNotificationListener(flowEventListener);
 110
 111         if (null == listener1Reg) {
 112             logger.error("Listener to listen on flow data modifcation events");
 113             System.out.println("Consumer SAL Service is down or NULL.");
 114             return;
 115         }
 116         // addFlowTest();
 117         System.out.println("-------------------------------------------------------------------");
 118         allocateCaches();
 119         commitHandler = new FlowDataCommitHandler();
 120         FRMConsumerImpl.getDataProviderService().registerCommitHandler(path, commitHandler);
 121         clusterContainerService = (IClusterContainerServices) ServiceHelper.getGlobalInstance(
 122                 IClusterContainerServices.class, this);
 123         container = (IContainer) ServiceHelper.getGlobalInstance(IContainer.class, this);
 124         /*
 125          * If we are not the first cluster node to come up, do not initialize
 126          * the static flow entries ordinal
 127          */
 128         if (staticFlowsOrdinal.size() == 0) {
 129             staticFlowsOrdinal.put(0, Integer.valueOf(0));
 130         }
 131     }
 132
 133     private void allocateCaches() {
 134
 135         if (this.clusterContainerService == null) {
 136             logger.warn("Un-initialized clusterContainerService, can't create cache");
 137             return;
 138         }
 139
 140         try {
 141             clusterContainerService.createCache("frm.originalSwView",
 142                     EnumSet.of(IClusterServices.cacheMode.TRANSACTIONAL));
 143             clusterContainerService.createCache("frm.installedSwView",
 144                     EnumSet.of(IClusterServices.cacheMode.TRANSACTIONAL));
 145             clusterContainerService
 146                     .createCache("frm.staticFlows", EnumSet.of(IClusterServices.cacheMode.TRANSACTIONAL));
 147             clusterContainerService.createCache("frm.staticFlowsOrdinal",
 148                     EnumSet.of(IClusterServices.cacheMode.TRANSACTIONAL));
 149             clusterContainerService.createCache("frm.inactiveFlows",
 150                     EnumSet.of(IClusterServices.cacheMode.TRANSACTIONAL));
 151             clusterContainerService.createCache("frm.nodeFlows", EnumSet.of(IClusterServices.cacheMode.TRANSACTIONAL));
 152             clusterContainerService.createCache("frm.groupFlows", EnumSet.of(IClusterServices.cacheMode.TRANSACTIONAL));
 153         } catch (CacheConfigException cce) {
 154             logger.error("CacheConfigException");
 155         } catch (CacheExistException cce) {
 156             logger.error("CacheExistException");
 157         }
 158     }
 159
 160     private void addFlowTest() {
 161         try {
 162             NodeRef nodeOne = createNodeRef("foo:node:1");
 163             AddFlowInputBuilder input1 = new AddFlowInputBuilder();
 164
 165             input1.setNode(nodeOne);
 166             AddFlowInput firstMsg = input1.build();
 167
 168             if (null != flowService) {
 169                 System.out.println(flowService.toString());
 170             } else {
 171                 System.out.println("ConsumerFlowService is NULL");
 172             }
 173             @SuppressWarnings("unused")
 174             Future<RpcResult<AddFlowOutput>> result1 = flowService.addFlow(firstMsg);
 175
 176         } catch (Exception e) {
 177             // TODO Auto-generated catch block
 178             e.printStackTrace();
 179         }
 180     }
 181
 182     /**
 183      * Adds flow to the southbound plugin and our internal database
 184      *
 185      * @param path
 186      * @param dataObject
 187      */
 188     private void addFlow(InstanceIdentifier<?> path, Flow dataObject) {
 189
 190         AddFlowInputBuilder input = new AddFlowInputBuilder();
 191         List<Instruction> inst = (dataObject).getInstructions().getInstruction();
 192         input.setNode((dataObject).getNode());
 193         input.setPriority((dataObject).getPriority());
 194         input.setMatch((dataObject).getMatch());
 195         input.setCookie((dataObject).getCookie());
 196         input.setInstructions((dataObject).getInstructions());
 197         dataObject.getMatch().getLayer3Match();
 198         for (int i = 0; i < inst.size(); i++) {
 199             System.out.println("i = " + i + inst.get(i).getInstruction().toString());
 200             System.out.println("i = " + i + inst.get(i).toString());
 201         }
 202
 203         System.out.println("Instruction list" + (dataObject).getInstructions().getInstruction().toString());
 204
 205         // updating the staticflow cache
 206         Integer ordinal = staticFlowsOrdinal.get(0);
 207         staticFlowsOrdinal.put(0, ++ordinal);
 208         staticFlows.put(ordinal, dataObject);
 209
 210         // We send flow to the sounthbound plugin
 211         flowService.addFlow(input.build());
 212         updateLocalDatabase((NodeFlow) dataObject, true);
 213     }
 214
 215     /**
 216      * Removes flow to the southbound plugin and our internal database
 217      *
 218      * @param path
 219      * @param dataObject
 220      */
 221     private void removeFlow(InstanceIdentifier<?> path, Flow dataObject) {
 222
 223         RemoveFlowInputBuilder input = new RemoveFlowInputBuilder();
 224         List<Instruction> inst = (dataObject).getInstructions().getInstruction();
 225         input.setNode((dataObject).getNode());
 226         input.setPriority((dataObject).getPriority());
 227         input.setMatch((dataObject).getMatch());
 228         input.setCookie((dataObject).getCookie());
 229         input.setInstructions((dataObject).getInstructions());
 230         dataObject.getMatch().getLayer3Match();
 231         for (int i = 0; i < inst.size(); i++) {
 232             System.out.println("i = " + i + inst.get(i).getInstruction().toString());
 233             System.out.println("i = " + i + inst.get(i).toString());
 234         }
 235
 236         System.out.println("Instruction list" + (dataObject).getInstructions().getInstruction().toString());
 237
 238         // updating the staticflow cache
 239         Integer ordinal = staticFlowsOrdinal.get(0);
 240         staticFlowsOrdinal.put(0, ++ordinal);
 241         staticFlows.put(ordinal, dataObject);
 242
 243         // We send flow to the sounthbound plugin
 244         flowService.removeFlow(input.build());
 245         updateLocalDatabase((NodeFlow) dataObject, false);
 246     }
 247
 248     /**
 249      * Update flow to the southbound plugin and our internal database
 250      *
 251      * @param path
 252      * @param dataObject
 253      */
 254     private void updateFlow(InstanceIdentifier<?> path, Flow dataObject) {
 255
 256         UpdateFlowInputBuilder input = new UpdateFlowInputBuilder();
 257         UpdatedFlowBuilder updatedflowbuilder = new UpdatedFlowBuilder();
 258         updatedflowbuilder.fieldsFrom(dataObject);
 259         input.setUpdatedFlow(updatedflowbuilder.build());
 260
 261         // updating the staticflow cache
 262         Integer ordinal = staticFlowsOrdinal.get(0);
 263         staticFlowsOrdinal.put(0, ++ordinal);
 264         staticFlows.put(ordinal, dataObject);
 265
 266         // We send flow to the sounthbound plugin
 267         flowService.updateFlow(input.build());
 268         updateLocalDatabase((NodeFlow) dataObject, true);
 269     }
 270
 271     @SuppressWarnings("unchecked")
 272     private void commitToPlugin(internalTransaction transaction) {
 273         for (Entry<InstanceIdentifier<?>, Flow> entry : transaction.additions.entrySet()) {
 274             System.out.println("Coming add cc in FlowDatacommitHandler");
 275             addFlow(entry.getKey(), entry.getValue());
 276         }
 277         for (@SuppressWarnings("unused")
 278         Entry<InstanceIdentifier<?>, Flow> entry : transaction.updates.entrySet()) {
 279             System.out.println("Coming update cc in FlowDatacommitHandler");
 280             updateFlow(entry.getKey(), entry.getValue());
 281         }
 282
 283         for (Entry<InstanceIdentifier<?>, Flow> entry : transaction.removals.entrySet()) {
 284             System.out.println("Coming remove cc in FlowDatacommitHandler");
 285             removeFlow(entry.getKey(), entry.getValue());
 286         }
 287
 288     }
 289
 290     private final class FlowDataCommitHandler implements DataCommitHandler<InstanceIdentifier<?>, DataObject> {
 291
 292         @SuppressWarnings("unchecked")
 293         @Override
 294         public DataCommitTransaction requestCommit(DataModification<InstanceIdentifier<?>, DataObject> modification) {
 295             // We should verify transaction
 296             System.out.println("Coming in FlowDatacommitHandler");
 297             internalTransaction transaction = new internalTransaction(modification);
 298             transaction.prepareUpdate();
 299             return transaction;
 300         }
 301     }
 302
 303     private final class internalTransaction implements DataCommitTransaction<InstanceIdentifier<?>, DataObject> {
 304
 305         private final DataModification<InstanceIdentifier<?>, DataObject> modification;
 306
 307         @Override
 308         public DataModification<InstanceIdentifier<?>, DataObject> getModification() {
 309             return modification;
 310         }
 311
 312         public internalTransaction(DataModification<InstanceIdentifier<?>, DataObject> modification) {
 313             this.modification = modification;
 314         }
 315
 316         Map<InstanceIdentifier<?>, Flow> additions = new HashMap<>();
 317         Map<InstanceIdentifier<?>, Flow> updates = new HashMap<>();
 318         Map<InstanceIdentifier<?>, Flow> removals = new HashMap<>();
 319
 320         /**
 321          * We create a plan which flows will be added, which will be updated and
 322          * which will be removed based on our internal state.
 323          *
 324          */
 325         void prepareUpdate() {
 326
 327             Set<Entry<InstanceIdentifier<?>, DataObject>> puts = modification.getUpdatedConfigurationData().entrySet();
 328             for (Entry<InstanceIdentifier<?>, DataObject> entry : puts) {
 329
 330                 // validating the DataObject
 331
 332                 Status status = validate(container, (NodeFlow) entry);
 333                 if (!status.isSuccess()) {
 334                     logger.warn("Invalid Configuration for flow {}. The failure is {}", entry, status.getDescription());
 335                     String error = "Invalid Configuration (" + status.getDescription() + ")";
 336                     logger.error(error);
 337                     return;
 338                 }
 339                 // Presence check
 340                 if (flowEntryExists((NodeFlow) entry)) {
 341                     String error = "Entry with this name on specified table already exists";
 342                     logger.warn("Entry with this name on specified table already exists: {}", entry);
 343                     logger.error(error);
 344                     return;
 345                 }
 346                 if (originalSwView.containsKey(entry)) {
 347                     logger.warn("Operation Rejected: A flow with same match and priority exists on the target node");
 348                     logger.trace("Aborting to install {}", entry);
 349                     continue;
 350                 }
 351                 if (!FRMUtil.validateMatch((NodeFlow) entry)) {
 352                     logger.error("Not a valid Match");
 353                     return;
 354                 }
 355                 if (!FRMUtil.validateInstructions((NodeFlow) entry)) {
 356                     logger.error("Not a valid Instruction");
 357                     return;
 358                 }
 359                 if (entry.getValue() instanceof Flow) {
 360                     Flow flow = (Flow) entry.getValue();
 361                     preparePutEntry(entry.getKey(), flow);
 362                 }
 363
 364             }
 365
 366             // removals = modification.getRemovedConfigurationData();
 367             Set<InstanceIdentifier<?>> removedData = modification.getRemovedConfigurationData();
 368             for (InstanceIdentifier<?> removal : removedData) {
 369                 DataObject value = modification.getOriginalConfigurationData().get(removal);
 370                 if (value instanceof Flow) {
 371                     removals.put(removal, (Flow) value);
 372                 }
 373             }
 374
 375         }
 376
 377         private void preparePutEntry(InstanceIdentifier<?> key, Flow flow) {
 378             Flow original = originalSwView.get(key);
 379             if (original != null) {
 380                 // It is update for us
 381                 System.out.println("Coming update  in FlowDatacommitHandler");
 382                 updates.put(key, flow);
 383             } else {
 384                 // It is addition for us
 385                 System.out.println("Coming add in FlowDatacommitHandler");
 386                 additions.put(key, flow);
 387             }
 388         }
 389
 390         /**
 391          * We are OK to go with execution of plan
 392          *
 393          */
 394         @Override
 395         public RpcResult<Void> finish() throws IllegalStateException {
 396
 397             commitToPlugin(this);
 398             // We return true if internal transaction is successful.
 399             // return Rpcs.getRpcResult(true, null, Collections.emptySet());
 400             return Rpcs.getRpcResult(true, null, null);
 401         }
 402
 403         /**
 404          *
 405          * We should rollback our preparation
 406          *
 407          */
 408         @Override
 409         public RpcResult<Void> rollback() throws IllegalStateException {
 410             // NOOP - we did not modified any internal state during
 411             // requestCommit phase
 412             // return Rpcs.getRpcResult(true, null, Collections.emptySet());
 413             return Rpcs.getRpcResult(true, null, null);
 414
 415         }
 416
 417         public Status validate(IContainer container, NodeFlow dataObject) {
 418
 419             // container validation
 420             Switch sw = null;
 421             Node node = null;
 422             String containerName = (container == null) ? GlobalConstants.DEFAULT.toString() : container.getName();
 423             ISwitchManager switchManager = (ISwitchManager) ServiceHelper.getInstance(ISwitchManager.class,
 424                     containerName, this);
 425             // flow Name validation
 426             if (dataObject.getFlowName() == null || dataObject.getFlowName().trim().isEmpty()
 427                     || !dataObject.getFlowName().matches(NAMEREGEX)) {
 428                 return new Status(StatusCode.BADREQUEST, "Invalid Flow name");
 429             }
 430             // Node Validation
 431             if (dataObject.getNode() == null) {
 432                 return new Status(StatusCode.BADREQUEST, "Node is null");
 433             }
 434
 435             if (switchManager != null) {
 436                 for (Switch device : switchManager.getNetworkDevices()) {
 437                     node = (Node) device.getNode();
 438                     if (device.getNode().equals(dataObject.getNode())) {
 439                         sw = device;
 440                         break;
 441                     }
 442                 }
 443                 if (sw == null) {
 444                     return new Status(StatusCode.BADREQUEST, String.format("Node %s not found", node));
 445                 }
 446             } else {
 447                 logger.debug("switchmanager is not set yet");
 448             }
 449
 450             if (dataObject.getPriority() != null) {
 451                 if (dataObject.getPriority() < 0 || dataObject.getPriority() > 65535) {
 452                     return new Status(StatusCode.BADREQUEST, String.format("priority %s is not in the range 0 - 65535",
 453                             dataObject.getPriority()));
 454                 }
 455             }
 456
 457             return new Status(StatusCode.SUCCESS);
 458         }
 459
 460         private boolean flowEntryExists(NodeFlow config) {
 461             // Flow name has to be unique on per table id basis
 462             for (ConcurrentMap.Entry<FlowKey, Flow> entry : originalSwView.entrySet()) {
 463                 if (entry.getValue().getFlowName().equals(config.getFlowName())
 464                         && entry.getValue().getTableId().equals(config.getTableId())) {
 465                     return true;
 466                 }
 467             }
 468             return false;
 469         }
 470     }
 471
 472     final class FlowEventListener implements SalFlowListener {
 473
 474         List<FlowAdded> addedFlows = new ArrayList<>();
 475         List<FlowRemoved> removedFlows = new ArrayList<>();
 476         List<FlowUpdated> updatedFlows = new ArrayList<>();
 477
 478         @Override
 479         public void onFlowAdded(FlowAdded notification) {
 480             System.out.println("added flow..........................");
 481             addedFlows.add(notification);
 482         }
 483
 484         @Override
 485         public void onFlowRemoved(FlowRemoved notification) {
 486             removedFlows.add(notification);
 487         };
 488
 489         @Override
 490         public void onFlowUpdated(FlowUpdated notification) {
 491             updatedFlows.add(notification);
 492         }
 493
 494         @Override
 495         public void onSwitchFlowRemoved(SwitchFlowRemoved notification) {
 496             // TODO
 497         }
 498
 499         @Override
 500         public void onNodeErrorNotification(NodeErrorNotification notification) {
 501             // TODO Auto-generated method stub
 502
 503         }
 504
 505         @Override
 506         public void onNodeExperimenterErrorNotification(
 507                 NodeExperimenterErrorNotification notification) {
 508             // TODO Auto-generated method stub
 509
 510         };
 511
 512     }
 513
 514     // Commented out DataChangeListene - to be used by Stats
 515
 516     // final class FlowDataListener implements DataChangeListener {
 517     // private SalFlowService flowService;
 518     //
 519     // public FlowDataListener() {
 520     //
 521     // }
 522     //
 523     // @Override
 524     // public void onDataChanged(
 525     // DataChangeEvent<InstanceIdentifier<?>, DataObject> change) {
 526     // System.out.println("Coming in onDataChange..............");
 527     // @SuppressWarnings("unchecked")
 528     // Collection<DataObject> additions = (Collection<DataObject>)
 529     // change.getCreatedConfigurationData();
 530     // // we can check for getCreated, getDeleted or getUpdated from DataChange
 531     // Event class
 532     // for (DataObject dataObject : additions) {
 533     // if (dataObject instanceof NodeFlow) {
 534     // NodeRef nodeOne = createNodeRef("foo:node:1");
 535     // // validating the dataObject here
 536     // AddFlowInputBuilder input = new AddFlowInputBuilder();
 537     // input.setNode(((NodeFlow) dataObject).getNode());
 538     // input.setNode(nodeOne);
 539     // // input.setPriority(((NodeFlow) dataObject).getPriority());
 540     // //input.setMatch(((NodeFlow) dataObject).getMatch());
 541     // //input.setFlowTable(((NodeFlow) dataObject).getFlowTable());
 542     // //input.setCookie(((NodeFlow) dataObject).getCookie());
 543     // //input.setAction(((NodeFlow) dataObject).getAction());
 544     //
 545     // @SuppressWarnings("unused")
 546     // Future<RpcResult<java.lang.Void>> result =
 547     // flowService.addFlow(input.build());
 548     // }
 549     // }
 550     // }
 551     // }
 552
 553     private static void updateLocalDatabase(NodeFlow entry, boolean add) {
 554
 555         updateSwViewes(entry, add);
 556
 557         updateNodeFlowsDB(entry, add);
 558
 559     }
 560
 561     /*
 562      * Update the node mapped flows database
 563      */
 564     private static void updateSwViewes(NodeFlow entry, boolean add) {
 565         if (add) {
 566             FlowConsumerImpl.originalSwView.put((FlowKey) entry, (Flow) entry);
 567             installedSwView.put((FlowKey) entry, (Flow) entry);
 568         } else {
 569             originalSwView.remove(entry);
 570             installedSwView.remove(entry);
 571
 572         }
 573     }
 574
 575     @Override
 576     public List<DataObject> get() {
 577
 578         List<DataObject> orderedList = new ArrayList<DataObject>();
 579         ConcurrentMap<Integer, Flow> flowMap = staticFlows;
 580         int maxKey = staticFlowsOrdinal.get(0).intValue();
 581         for (int i = 0; i <= maxKey; i++) {
 582             Flow entry = flowMap.get(i);
 583             if (entry != null) {
 584                 orderedList.add(entry);
 585             }
 586         }
 587         return orderedList;
 588     }
 589
 590     @Override
 591     public DataObject getWithName(String name, org.opendaylight.controller.sal.core.Node n) {
 592         if (this instanceof FlowConsumerImpl) {
 593             for (ConcurrentMap.Entry<Integer, Flow> flowEntry : staticFlows.entrySet()) {
 594                 Flow flow = flowEntry.getValue();
 595                 if (flow.getNode().equals(n) && flow.getFlowName().equals(name)) {
 596
 597                     return flowEntry.getValue();
 598                 }
 599             }
 600         }
 601         return null;
 602     }
 603
 604     /*
 605      * Update the node mapped flows database
 606      */
 607     private static void updateNodeFlowsDB(NodeFlow entry, boolean add) {
 608         Node node = (Node) entry.getNode();
 609
 610         List<Flow> nodeIndeces = nodeFlows.get(node);
 611         if (nodeIndeces == null) {
 612             if (!add) {
 613                 return;
 614             } else {
 615                 nodeIndeces = new ArrayList<Flow>();
 616             }
 617         }
 618
 619         if (add) {
 620             nodeIndeces.add((Flow) entry);
 621         } else {
 622             nodeIndeces.remove(entry);
 623         }
 624
 625         // Update cache across cluster
 626         if (nodeIndeces.isEmpty()) {
 627             nodeFlows.remove(node);
 628         } else {
 629             nodeFlows.put(node, nodeIndeces);
 630         }
 631     }
 632
 633     private static NodeRef createNodeRef(String string) {
 634         NodeKey key = new NodeKey(new NodeId(string));
 635         InstanceIdentifier<Node> path = InstanceIdentifier.builder().node(Nodes.class).node(Node.class, key)
 636                 .toInstance();
 637
 638         return new NodeRef(path);
 639     }
 640 }