vpnservice/elanmanager/elanmanager-impl/src/main/java/org/opendaylight/netvirt/elan/internal/ElanServiceProvider.java

   1 /*
   2  * Copyright (c) 2016 Ericsson India Global Services Pvt Ltd. 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.netvirt.elan.internal;
  10
  11 import java.util.ArrayList;
  12 import java.util.Collection;
  13 import java.util.List;
  14 import java.util.concurrent.Future;
  15
  16 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  17 import org.opendaylight.controller.md.sal.binding.api.NotificationService;
  18 import org.opendaylight.controller.md.sal.common.api.clustering.EntityOwnershipService;
  19 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  20 import org.opendaylight.controller.sal.binding.api.BindingAwareBroker.ProviderContext;
  21 import org.opendaylight.controller.sal.binding.api.BindingAwareProvider;
  22 import org.opendaylight.controller.sal.binding.api.RpcProviderRegistry;
  23 import org.opendaylight.netvirt.elan.utils.ElanForwardingEntriesHandler;
  24 import org.opendaylight.netvirt.elanmanager.api.IElanService;
  25 import org.opendaylight.netvirt.elanmanager.exceptions.MacNotFoundException;
  26 import org.opendaylight.genius.datastoreutils.DataStoreJobCoordinator;
  27 import org.opendaylight.netvirt.elan.l2gw.internal.ElanL2GatewayProvider;
  28 import org.opendaylight.netvirt.elan.statisitcs.ElanStatisticsImpl;
  29 import org.opendaylight.netvirt.elan.statusanddiag.ElanStatusMonitor;
  30 import org.opendaylight.netvirt.elan.utils.ElanClusterUtils;
  31 import org.opendaylight.netvirt.elan.utils.ElanConstants;
  32 import org.opendaylight.netvirt.elan.utils.ElanUtils;
  33 import org.opendaylight.genius.interfacemanager.exceptions.InterfaceAlreadyExistsException;
  34 import org.opendaylight.genius.interfacemanager.globals.IfmConstants;
  35 import org.opendaylight.genius.interfacemanager.interfaces.IInterfaceManager;
  36 import org.opendaylight.genius.itm.api.IITMProvider;
  37 import org.opendaylight.genius.mdsalutil.MDSALUtil;
  38 import org.opendaylight.genius.mdsalutil.interfaces.IMdsalApiManager;
  39 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.PhysAddress;
  40 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.ElanInstances;
  41 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.ElanInterfaces;
  42 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.elan._interface.forwarding.entries.ElanInterfaceMac;
  43 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.elan.instances.ElanInstance;
  44 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.elan.instances.ElanInstanceBuilder;
  45 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.elan.instances.ElanInstanceKey;
  46 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.elan.interfaces.ElanInterface;
  47 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.elan.interfaces.ElanInterfaceBuilder;
  48 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.elan.interfaces.ElanInterfaceKey;
  49 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.elan.state.Elan;
  50 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.forwarding.entries.MacEntry;
  51 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.statistics.rev150824.ElanStatisticsService;
  52 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
  53 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.idmanager.rev160406.CreateIdPoolInput;
  54 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.idmanager.rev160406.CreateIdPoolInputBuilder;
  55 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.idmanager.rev160406.IdManagerService;
  56 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.rev160406.IfL2vlan;
  57 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.rpcs.rev160406.OdlInterfaceRpcService;
  58 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.rpcs.rev160406.ItmRpcService;
  59 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  60 import org.opendaylight.yangtools.yang.common.RpcResult;
  61 import org.slf4j.Logger;
  62 import org.slf4j.LoggerFactory;
  63
  64 import com.google.common.base.Optional;
  65
  66
  67 public class ElanServiceProvider implements BindingAwareProvider, IElanService, AutoCloseable {
  68
  69     private IdManagerService idManager;
  70     private IMdsalApiManager mdsalManager;
  71     private IInterfaceManager interfaceManager;
  72     private OdlInterfaceRpcService interfaceManagerRpcService;
  73     private ElanInstanceManager elanInstanceManager;
  74     private ElanForwardingEntriesHandler elanForwardingEntriesHandler;
  75     private ElanBridgeManager bridgeMgr;
  76
  77     public IdManagerService getIdManager() {
  78         return idManager;
  79     }
  80
  81     public ElanForwardingEntriesHandler getElanForwardingEntriesHandler() {
  82         return elanForwardingEntriesHandler;
  83     }
  84
  85     public ElanPacketInHandler getElanPacketInHandler() {
  86         return elanPacketInHandler;
  87     }
  88
  89     public ElanSmacFlowEventListener getElanSmacFlowEventListener() {
  90         return elanSmacFlowEventListener;
  91     }
  92
  93     public ElanInterfaceStateChangeListener getElanInterfaceStateChangeListener() {
  94         return elanInterfaceStateChangeListener;
  95     }
  96
  97     public ElanInterfaceStateClusteredListener getInfStateChangeClusteredListener() {
  98         return infStateChangeClusteredListener;
  99     }
 100
 101     public ElanDpnInterfaceClusteredListener getElanDpnInterfaceClusteredListener() {
 102         return elanDpnInterfaceClusteredListener;
 103     }
 104
 105     public ElanNodeListener getElanNodeListener() {
 106         return elanNodeListener;
 107     }
 108
 109     public NotificationService getNotificationService() {
 110         return notificationService;
 111     }
 112
 113     public RpcProviderRegistry getRpcProviderRegistry() {
 114         return rpcProviderRegistry;
 115     }
 116
 117     public ElanL2GatewayProvider getElanL2GatewayProvider() {
 118         return elanL2GatewayProvider;
 119     }
 120
 121     public static ElanStatusMonitor getElanstatusmonitor() {
 122         return elanStatusMonitor;
 123     }
 124
 125     public ElanItmEventListener getElanItmEventListener() {
 126         return elanItmEventListener;
 127     }
 128
 129     public static Logger getLogger() {
 130         return logger;
 131     }
 132
 133     private ElanInterfaceManager elanInterfaceManager;
 134     private ElanPacketInHandler elanPacketInHandler;
 135     private ElanSmacFlowEventListener elanSmacFlowEventListener;
 136     private ElanInterfaceStateChangeListener elanInterfaceStateChangeListener;
 137     private ElanInterfaceStateClusteredListener infStateChangeClusteredListener;
 138     private ElanDpnInterfaceClusteredListener elanDpnInterfaceClusteredListener;
 139     private ElanNodeListener elanNodeListener;
 140     private NotificationService notificationService;
 141     private RpcProviderRegistry rpcProviderRegistry;
 142     private IITMProvider itmManager;
 143     private ItmRpcService itmRpcService;
 144     private DataBroker broker;
 145     private ElanL2GatewayProvider elanL2GatewayProvider;
 146     private ElanStatisticsService interfaceStatsService;
 147     private EntityOwnershipService entityOwnershipService;
 148     private static final ElanStatusMonitor elanStatusMonitor = ElanStatusMonitor.getInstance();
 149     static DataStoreJobCoordinator dataStoreJobCoordinator;
 150     private ElanOvsdbNodeListener elanOvsdbNodeListener;
 151
 152     private boolean generateIntBridgeMac = true;
 153
 154     public static void setDataStoreJobCoordinator(DataStoreJobCoordinator ds) {
 155         dataStoreJobCoordinator = ds;
 156     }
 157
 158     public void setBroker(DataBroker broker) {
 159         this.broker = broker;
 160     }
 161
 162     public static DataStoreJobCoordinator getDataStoreJobCoordinator() {
 163         if (dataStoreJobCoordinator == null) {
 164             dataStoreJobCoordinator = DataStoreJobCoordinator.getInstance();
 165         }
 166         return dataStoreJobCoordinator;
 167     }
 168
 169
 170     public ElanServiceProvider(RpcProviderRegistry rpcRegistry) {
 171         rpcProviderRegistry = rpcRegistry;
 172         elanStatusMonitor.registerMbean();
 173     }
 174
 175     // private ElanInterfaceStateChangeListener elanInterfaceEventListener;
 176     private ElanItmEventListener elanItmEventListener;
 177
 178     private static final Logger logger = LoggerFactory.getLogger(ElanServiceProvider.class);
 179
 180     @Override
 181     public void onSessionInitiated(ProviderContext session) {
 182         elanStatusMonitor.reportStatus("STARTING");
 183         try {
 184             createIdPool();
 185             getDataStoreJobCoordinator();
 186             broker = session.getSALService(DataBroker.class);
 187
 188             bridgeMgr = new ElanBridgeManager(broker);
 189             elanOvsdbNodeListener = new ElanOvsdbNodeListener(broker, generateIntBridgeMac, bridgeMgr, this);
 190             ElanUtils.setElanServiceProvider(this);
 191             elanForwardingEntriesHandler = ElanForwardingEntriesHandler.getElanForwardingEntriesHandler(this);
 192             elanInterfaceManager = ElanInterfaceManager.getElanInterfaceManager(this);
 193             elanInstanceManager = ElanInstanceManager.getElanInstanceManager(this);
 194             elanNodeListener  = ElanNodeListener.getElanNodeListener(this);
 195             elanPacketInHandler = ElanPacketInHandler.getElanPacketInHandler(this);
 196             elanSmacFlowEventListener = ElanSmacFlowEventListener.getElanSmacFlowEventListener(this);
 197             // Initialize statistics rpc provider for elan
 198             interfaceStatsService = ElanStatisticsImpl.getElanStatisticsService(this);
 199             rpcProviderRegistry.addRpcImplementation(ElanStatisticsService.class, interfaceStatsService);
 200             elanInterfaceStateChangeListener = ElanInterfaceStateChangeListener.getElanInterfaceStateChangeListener(this);
 201             infStateChangeClusteredListener = ElanInterfaceStateClusteredListener.getElanInterfaceStateClusteredListener(this);
 202             elanDpnInterfaceClusteredListener = ElanDpnInterfaceClusteredListener.getElanDpnInterfaceClusteredListener(this);
 203             ElanClusterUtils.setElanServiceProvider(this);
 204             this.elanL2GatewayProvider = new ElanL2GatewayProvider(this);
 205             elanInterfaceManager.registerListener(LogicalDatastoreType.CONFIGURATION,broker);
 206             elanInstanceManager.registerListener(LogicalDatastoreType.CONFIGURATION,broker);
 207             notificationService.registerNotificationListener(elanSmacFlowEventListener);
 208             notificationService.registerNotificationListener(elanPacketInHandler);
 209             elanStatusMonitor.reportStatus("OPERATIONAL");
 210         } catch (Exception e) {
 211             logger.error("Error initializing services", e);
 212             elanStatusMonitor.reportStatus("ERROR");
 213         }
 214     }
 215
 216
 217
 218     public void setIdManager(IdManagerService idManager) {
 219         this.idManager = idManager;
 220     }
 221
 222     public void setMdsalManager(IMdsalApiManager mdsalManager) {
 223         this.mdsalManager = mdsalManager;
 224     }
 225
 226     public void setInterfaceManager(IInterfaceManager interfaceManager) {
 227         this.interfaceManager = interfaceManager;
 228     }
 229
 230     public void setEntityOwnershipService(EntityOwnershipService entityOwnershipService) {
 231         this.entityOwnershipService = entityOwnershipService;
 232     }
 233
 234     public IInterfaceManager getInterfaceManager() {
 235         return this.interfaceManager;
 236     }
 237
 238     public IMdsalApiManager getMdsalManager() {
 239         return mdsalManager;
 240     }
 241
 242     public IITMProvider getItmManager() {
 243         return itmManager;
 244     }
 245
 246     public DataBroker getBroker() {
 247         return broker;
 248     }
 249
 250     public void setNotificationService(NotificationService notificationService) {
 251         this.notificationService = notificationService;
 252     }
 253
 254     public void setInterfaceManagerRpcService(OdlInterfaceRpcService interfaceManager) {
 255         this.interfaceManagerRpcService = interfaceManager;
 256     }
 257
 258     public OdlInterfaceRpcService getInterfaceManagerRpcService() {
 259         return interfaceManagerRpcService;
 260     }
 261
 262     public void setItmManager(IITMProvider itmManager) {
 263         this.itmManager = itmManager;
 264     }
 265
 266     public void setItmRpcService(ItmRpcService itmRpcService) {
 267         this.itmRpcService = itmRpcService;
 268     }
 269
 270     public ItmRpcService getItmRpcService() {
 271         return itmRpcService;
 272     }
 273
 274     public ElanInstanceManager getElanInstanceManager() {
 275         return elanInstanceManager;
 276     }
 277
 278     public ElanInterfaceManager getElanInterfaceManager() {
 279         return elanInterfaceManager;
 280     }
 281
 282     public EntityOwnershipService getEntityOwnershipService() {
 283         return entityOwnershipService;
 284     }
 285
 286     private void createIdPool() {
 287         CreateIdPoolInput createPool = new CreateIdPoolInputBuilder().setPoolName(ElanConstants.ELAN_ID_POOL_NAME)
 288             .setLow(ElanConstants.ELAN_ID_LOW_VALUE).setHigh(ElanConstants.ELAN_ID_HIGH_VALUE).build();
 289         try {
 290             Future<RpcResult<Void>> result = idManager.createIdPool(createPool);
 291             if ((result != null) && (result.get().isSuccessful())) {
 292                 logger.debug("ELAN Id Pool is created successfully");
 293             }
 294         } catch (Exception e) {
 295             logger.error("Failed to create ELAN Id pool {}", e);
 296         }
 297     }
 298
 299     @Override
 300     public boolean createElanInstance(String elanInstanceName, long macTimeout, String description) {
 301         ElanInstance existingElanInstance = elanInstanceManager.getElanInstanceByName(elanInstanceName);
 302         boolean isSuccess = true;
 303         if (existingElanInstance != null) {
 304             if (compareWithExistingElanInstance(existingElanInstance, macTimeout, description)) {
 305                 logger.debug("Elan Instance is already present in the Operational DS {}", existingElanInstance);
 306                 return true;
 307             } else {
 308                 ElanInstance updateElanInstance = new ElanInstanceBuilder().setElanInstanceName(elanInstanceName)
 309                     .setDescription(description).setMacTimeout(macTimeout)
 310                     .setKey(new ElanInstanceKey(elanInstanceName)).build();
 311                 MDSALUtil.syncWrite(broker, LogicalDatastoreType.CONFIGURATION,
 312                     ElanUtils.getElanInstanceConfigurationDataPath(elanInstanceName), updateElanInstance);
 313                 logger.debug("Updating the Elan Instance {} with MAC TIME-OUT %l and Description %s ",
 314                     updateElanInstance, macTimeout, description);
 315             }
 316         } else {
 317             ElanInstance elanInstance = new ElanInstanceBuilder().setElanInstanceName(elanInstanceName)
 318                 .setMacTimeout(macTimeout).setDescription(description).setKey(new ElanInstanceKey(elanInstanceName))
 319                 .build();
 320             MDSALUtil.syncWrite(broker, LogicalDatastoreType.CONFIGURATION,
 321                 ElanUtils.getElanInstanceConfigurationDataPath(elanInstanceName), elanInstance);
 322             logger.debug("Creating the new Elan Instance {}", elanInstance);
 323         }
 324         return isSuccess;
 325     }
 326
 327     public static boolean compareWithExistingElanInstance(ElanInstance existingElanInstance, long macTimeOut,
 328                                                           String description) {
 329         boolean isEqual = false;
 330         if (existingElanInstance.getMacTimeout() == macTimeOut
 331             && existingElanInstance.getDescription().equals(description)) {
 332             isEqual = true;
 333         }
 334         return isEqual;
 335     }
 336
 337     @Override
 338     public void updateElanInstance(String elanInstanceName, long newMacTimout, String newDescription) {
 339         createElanInstance(elanInstanceName, newMacTimout, newDescription);
 340     }
 341
 342     @Override
 343     public boolean deleteElanInstance(String elanInstanceName) {
 344         boolean isSuccess = false;
 345         ElanInstance existingElanInstance = elanInstanceManager.getElanInstanceByName(elanInstanceName);
 346         if (existingElanInstance == null) {
 347             logger.debug("Elan Instance is not present {}", existingElanInstance);
 348             return isSuccess;
 349         }
 350         logger.debug("Deletion of the existing Elan Instance {}", existingElanInstance);
 351         ElanUtils.delete(broker, LogicalDatastoreType.CONFIGURATION,
 352             ElanUtils.getElanInstanceConfigurationDataPath(elanInstanceName));
 353         isSuccess = true;
 354         return isSuccess;
 355     }
 356
 357     @Override
 358     public void addElanInterface(String elanInstanceName, String interfaceName, List<String> staticMacAddresses,
 359                                  String description) {
 360         ElanInstance existingElanInstance = elanInstanceManager.getElanInstanceByName(elanInstanceName);
 361         if (existingElanInstance != null) {
 362             ElanInterface elanInterface;
 363             if (staticMacAddresses == null) {
 364                 elanInterface = new ElanInterfaceBuilder().setElanInstanceName(elanInstanceName)
 365                     .setDescription(description).setName(interfaceName).setKey(new ElanInterfaceKey(interfaceName))
 366                     .build();
 367             } else {
 368                 elanInterface = new ElanInterfaceBuilder().setElanInstanceName(elanInstanceName)
 369                     .setDescription(description).setName(interfaceName)
 370                     .setStaticMacEntries(getPhysAddress(staticMacAddresses))
 371                     .setKey(new ElanInterfaceKey(interfaceName)).build();
 372             }
 373             MDSALUtil.syncWrite(broker, LogicalDatastoreType.CONFIGURATION,
 374                 ElanUtils.getElanInterfaceConfigurationDataPathId(interfaceName), elanInterface);
 375             logger.debug("Creating the new ELan Interface {}", elanInterface);
 376         }
 377
 378     }
 379
 380     @Override
 381     public void updateElanInterface(String elanInstanceName, String interfaceName,
 382                                     List<String> updatedStaticMacAddresses, String newDescription) {
 383         ElanInterface existingElanInterface = ElanUtils.getElanInterfaceByElanInterfaceName(interfaceName);
 384         if (existingElanInterface == null) {
 385             return;
 386         }
 387         List<PhysAddress> existingMacAddress = existingElanInterface.getStaticMacEntries();
 388         List<PhysAddress> updatedMacAddresses = getPhysAddress(updatedStaticMacAddresses);
 389         List<PhysAddress> updatedPhysAddress = getUpdatedPhyAddress(existingMacAddress, updatedMacAddresses);
 390         if (updatedPhysAddress.size() > 0) {
 391             logger.debug("updating the ElanInterface with new Mac Entries {}", updatedStaticMacAddresses);
 392             ElanInterface elanInterface = new ElanInterfaceBuilder().setElanInstanceName(elanInstanceName)
 393                 .setName(interfaceName).setDescription(newDescription).setStaticMacEntries(updatedPhysAddress)
 394                 .setKey(new ElanInterfaceKey(interfaceName)).build();
 395             MDSALUtil.syncWrite(broker, LogicalDatastoreType.CONFIGURATION,
 396                 ElanUtils.getElanInterfaceConfigurationDataPathId(interfaceName), elanInterface);
 397         }
 398     }
 399
 400     @Override
 401     public void deleteElanInterface(String elanInstanceName, String interfaceName) {
 402         ElanInterface existingElanInterface = ElanUtils.getElanInterfaceByElanInterfaceName(interfaceName);
 403         if (existingElanInterface != null) {
 404             ElanUtils.delete(broker, LogicalDatastoreType.CONFIGURATION,
 405                 ElanUtils.getElanInterfaceConfigurationDataPathId(interfaceName));
 406             logger.debug("deleting the Elan Interface {}", existingElanInterface);
 407         }
 408     }
 409
 410     @Override
 411     public void addStaticMacAddress(String elanInstanceName, String interfaceName, String macAddress) {
 412         ElanInterface existingElanInterface = ElanUtils.getElanInterfaceByElanInterfaceName(interfaceName);
 413         PhysAddress updateStaticMacAddress = new PhysAddress(macAddress);
 414         if (existingElanInterface != null) {
 415             List<PhysAddress> existingMacAddress = existingElanInterface.getStaticMacEntries();
 416             if (existingMacAddress.contains(updateStaticMacAddress)) {
 417                 return;
 418             }
 419             existingMacAddress.add(updateStaticMacAddress);
 420             ElanInterface elanInterface = new ElanInterfaceBuilder().setElanInstanceName(elanInstanceName)
 421                 .setName(interfaceName).setStaticMacEntries(existingMacAddress)
 422                 .setDescription(existingElanInterface.getDescription()).setKey(new ElanInterfaceKey(interfaceName))
 423                 .build();
 424             MDSALUtil.syncWrite(broker, LogicalDatastoreType.CONFIGURATION,
 425                 ElanUtils.getElanInterfaceConfigurationDataPathId(interfaceName), elanInterface);
 426         }
 427     }
 428
 429     @Override
 430     public void deleteStaticMacAddress(String elanInstanceName, String interfaceName, String macAddress)
 431         throws MacNotFoundException {
 432         ElanInterface existingElanInterface = ElanUtils.getElanInterfaceByElanInterfaceName(interfaceName);
 433         PhysAddress physAddress = new PhysAddress(macAddress);
 434         if (existingElanInterface == null) {
 435             return;
 436         }
 437         List<PhysAddress> existingMacAddress = existingElanInterface.getStaticMacEntries();
 438         if (existingMacAddress.contains(physAddress)) {
 439             existingMacAddress.remove(physAddress);
 440             ElanInterface elanInterface = new ElanInterfaceBuilder().setElanInstanceName(elanInstanceName)
 441                 .setName(interfaceName).setStaticMacEntries(existingMacAddress)
 442                 .setDescription(existingElanInterface.getDescription()).setKey(new ElanInterfaceKey(interfaceName))
 443                 .build();
 444             MDSALUtil.syncWrite(broker, LogicalDatastoreType.CONFIGURATION,
 445                 ElanUtils.getElanInterfaceConfigurationDataPathId(interfaceName), elanInterface);
 446         } else {
 447             throw new MacNotFoundException("Mac Not Found Exception");
 448         }
 449     }
 450
 451     @Override
 452     public Collection<MacEntry> getElanMacTable(String elanInstanceName) {
 453         Elan elanInfo = ElanUtils.getElanByName(elanInstanceName);
 454         List<MacEntry> macAddress = new ArrayList<>();
 455         if (elanInfo == null) {
 456             return macAddress;
 457         }
 458         List<String> elanInterfaces = elanInfo.getElanInterfaces();
 459         if (elanInterfaces != null && elanInterfaces.size() > 0) {
 460             for (String elanInterface : elanInterfaces) {
 461                 ElanInterfaceMac elanInterfaceMac = ElanUtils.getElanInterfaceMacByInterfaceName(elanInterface);
 462                 if (elanInterfaceMac != null && elanInterfaceMac.getMacEntry() != null
 463                     && elanInterfaceMac.getMacEntry().size() > 0) {
 464                     macAddress.addAll(elanInterfaceMac.getMacEntry());
 465                 }
 466             }
 467         }
 468         return macAddress;
 469     }
 470
 471     @Override
 472     public void flushMACTable(String elanInstanceName) {
 473         Elan elanInfo = ElanUtils.getElanByName(elanInstanceName);
 474         if (elanInfo == null) {
 475             return;
 476         }
 477         List<String> elanInterfaces = elanInfo.getElanInterfaces();
 478         if (elanInterfaces == null || elanInterfaces.isEmpty()) {
 479             return;
 480         }
 481         for (String elanInterface : elanInterfaces) {
 482             ElanInterfaceMac elanInterfaceMac = ElanUtils.getElanInterfaceMacByInterfaceName(elanInterface);
 483             if (elanInterfaceMac.getMacEntry() != null && elanInterfaceMac.getMacEntry().size() > 0) {
 484                 List<MacEntry> macEntries = elanInterfaceMac.getMacEntry();
 485                 for (MacEntry macEntry : macEntries) {
 486                     try {
 487                         deleteStaticMacAddress(elanInstanceName, elanInterface, macEntry.getMacAddress().getValue());
 488                     } catch (MacNotFoundException e) {
 489                         logger.error("Mac Not Found Exception {}", e);
 490                         e.printStackTrace();
 491                     }
 492                 }
 493             }
 494         }
 495
 496     }
 497
 498     @Override
 499     public void close() throws Exception {
 500         this.elanInstanceManager.close();
 501         this.elanL2GatewayProvider.close();
 502     }
 503
 504     public static List<PhysAddress> getPhysAddress(List<String> macAddress) {
 505         List<PhysAddress> physAddresses = new ArrayList<>();
 506         for (String mac : macAddress) {
 507             physAddresses.add(new PhysAddress(mac));
 508         }
 509         return physAddresses;
 510     }
 511
 512     public List<PhysAddress> getUpdatedPhyAddress(List<PhysAddress> originalAddresses,
 513                                                   List<PhysAddress> updatePhyAddresses) {
 514         if (updatePhyAddresses != null && !updatePhyAddresses.isEmpty()) {
 515             List<PhysAddress> existingClonedPhyAddress = new ArrayList<>();
 516             if (originalAddresses != null && !originalAddresses.isEmpty()) {
 517                 existingClonedPhyAddress.addAll(0, originalAddresses);
 518                 originalAddresses.removeAll(updatePhyAddresses);
 519                 updatePhyAddresses.removeAll(existingClonedPhyAddress);
 520             }
 521         }
 522         return updatePhyAddresses;
 523     }
 524
 525     @Override
 526     public ElanInstance getElanInstance(String elanName) {
 527         return ElanUtils.getElanInstanceByName(elanName);
 528     }
 529
 530     @Override
 531     public List<ElanInstance> getElanInstances() {
 532         List<ElanInstance> elanList = new ArrayList<>();
 533         InstanceIdentifier<ElanInstances> elanInstancesIdentifier = InstanceIdentifier.builder(ElanInstances.class)
 534             .build();
 535         Optional<ElanInstances> elansOptional = ElanUtils.read(broker, LogicalDatastoreType.CONFIGURATION,
 536             elanInstancesIdentifier);
 537         if (elansOptional.isPresent()) {
 538             elanList.addAll(elansOptional.get().getElanInstance());
 539         }
 540         return elanList;
 541     }
 542
 543     @Override
 544     public List<String> getElanInterfaces(String elanInstanceName) {
 545         List<String> elanInterfaces = new ArrayList<>();
 546         InstanceIdentifier<ElanInterfaces> elanInterfacesIdentifier = InstanceIdentifier.builder(ElanInterfaces.class)
 547             .build();
 548         Optional<ElanInterfaces> elanInterfacesOptional = ElanUtils.read(broker, LogicalDatastoreType.CONFIGURATION,
 549             elanInterfacesIdentifier);
 550         if (!elanInterfacesOptional.isPresent()) {
 551             return elanInterfaces;
 552         }
 553         List<ElanInterface> elanInterfaceList = elanInterfacesOptional.get().getElanInterface();
 554         for (ElanInterface elanInterface : elanInterfaceList) {
 555             if (elanInterface.getElanInstanceName().equals(elanInstanceName)) {
 556                 elanInterfaces.add(elanInterface.getName());
 557             }
 558         }
 559         return elanInterfaces;
 560     }
 561
 562     public boolean getGenerateIntBridgeMac() {
 563         return generateIntBridgeMac;
 564     }
 565
 566     public void setGenerateIntBridgeMac(boolean generateIntBridgeMac) {
 567         this.generateIntBridgeMac = generateIntBridgeMac;
 568     }
 569
 570     @Override
 571     public void createExternalElanNetworks(Node node) {
 572         if (!bridgeMgr.isIntegrationBridge(node)) {
 573             return;
 574         }
 575
 576         List<ElanInstance> elanInstances = getElanInstances();
 577         if (elanInstances == null || elanInstances.isEmpty()) {
 578             logger.trace("No ELAN instances found");
 579             return;
 580         }
 581
 582         for (ElanInstance elanInstance : elanInstances) {
 583             String interfaceName = getExtInterfaceName(node, elanInstance.getPhysicalNetworkName());
 584             createExternalElanNetwork(elanInstance, node, interfaceName);
 585         }
 586     }
 587
 588     @Override
 589     public void createExternalElanNetwork(ElanInstance elanInstance) {
 590         if (elanInstance.getPhysicalNetworkName() == null) {
 591             logger.trace("No physical network attached to {}", elanInstance.getElanInstanceName());
 592             return;
 593         }
 594
 595         List<Node> nodes = bridgeMgr.southboundUtils.getOvsdbNodes();
 596         if (nodes == null || nodes.isEmpty()) {
 597             logger.trace("No OVS nodes found while creating external network for ELAN {}",
 598                     elanInstance.getElanInstanceName());
 599             return;
 600         }
 601
 602         for (Node node : nodes) {
 603             if (bridgeMgr.isIntegrationBridge(node)) {
 604                 String interfaceName = getExtInterfaceName(node, elanInstance.getPhysicalNetworkName());
 605                 createExternalElanNetwork(elanInstance, node, interfaceName);
 606             }
 607         }
 608     }
 609
 610     private void createExternalElanNetwork(ElanInstance elanInstance, Node node, String interfaceName) {
 611         if (interfaceName == null) {
 612             logger.trace("No physial interface is attached to {} node {}", elanInstance.getPhysicalNetworkName(),
 613                     node.getNodeId().getValue());
 614         }
 615
 616         String elanInterfaceName = createIetfInterfaces(elanInstance, interfaceName);
 617         addElanInterface(elanInstance.getElanInstanceName(), elanInterfaceName, null, null);
 618     }
 619
 620     /**
 621      * Create ietf-interfaces based on the ELAN segment type.<br>
 622      * For segment type flat - create transparent interface pointing to the
 623      * patch-port attached to the physnet port.<br>
 624      * For segment type vlan - create trunk interface pointing to the patch-port
 625      * attached to the physnet port + trunk-member interface pointing to the
 626      * trunk interface.
 627      *
 628      * @param elanInstance
 629      *            ELAN instance
 630      * @param parentRef
 631      *            parent interface name
 632      * @return the name of the interface to be added to the ELAN instance i.e.
 633      *         trunk-member name for vlan network and transparent for flat
 634      *         network or null otherwise
 635      */
 636     private String createIetfInterfaces(ElanInstance elanInstance, String parentRef) {
 637         String interfaceName = null;
 638
 639         try {
 640             if (ElanUtils.isFlat(elanInstance)) {
 641                 interfaceName = parentRef + IfmConstants.OF_URI_PREFIX + "flat";
 642                 interfaceManager.createVLANInterface(interfaceName, parentRef, null, null, null,
 643                         IfL2vlan.L2vlanMode.Transparent);
 644             } else if (ElanUtils.isVlan(elanInstance)) {
 645                 String trunkName = parentRef + IfmConstants.OF_URI_PREFIX + "trunk";
 646                 interfaceManager.createVLANInterface(interfaceName, parentRef, null, null, null,
 647                         IfL2vlan.L2vlanMode.Trunk);
 648                 Long segmentationId = elanInstance.getSegmentationId();
 649                 interfaceName = parentRef + IfmConstants.OF_URI_PREFIX + segmentationId;
 650                 interfaceManager.createVLANInterface(interfaceName, trunkName, null, segmentationId.intValue(), null,
 651                         IfL2vlan.L2vlanMode.TrunkMember);
 652             }
 653         } catch (InterfaceAlreadyExistsException e) {
 654             logger.trace("Interface {} was already created", interfaceName);
 655         }
 656
 657         return interfaceName;
 658     }
 659
 660     private String getExtInterfaceName(Node node, String physicalNetworkName) {
 661         if (physicalNetworkName == null) {
 662             return null;
 663         }
 664
 665         String providerMappingValue = bridgeMgr.getProviderMappingValue(node, physicalNetworkName);
 666         if (providerMappingValue == null) {
 667             logger.trace("No provider mapping found for physicalNetworkName {} node {}", physicalNetworkName,
 668                     node.getNodeId().getValue());
 669             return null;
 670         }
 671
 672         return bridgeMgr.southboundUtils.getDataPathId(node) + IfmConstants.OF_URI_SEPARATOR
 673                 + bridgeMgr.getIntBridgePortNameFor(node, providerMappingValue);
 674     }
 675
 676 }