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.interfaces.IInterfaceManager;
  34 import org.opendaylight.genius.itm.api.IITMProvider;
  35 import org.opendaylight.genius.mdsalutil.MDSALUtil;
  36 import org.opendaylight.genius.mdsalutil.interfaces.IMdsalApiManager;
  37 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.PhysAddress;
  38 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.ElanInstances;
  39 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.ElanInterfaces;
  40 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.elan._interface.forwarding.entries.ElanInterfaceMac;
  41 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.elan.instances.ElanInstance;
  42 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.elan.instances.ElanInstanceBuilder;
  43 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.elan.instances.ElanInstanceKey;
  44 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.elan.interfaces.ElanInterface;
  45 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.elan.interfaces.ElanInterfaceBuilder;
  46 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.elan.interfaces.ElanInterfaceKey;
  47 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.elan.state.Elan;
  48 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.forwarding.entries.MacEntry;
  49 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.statistics.rev150824.ElanStatisticsService;
  50 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.idmanager.rev160406.CreateIdPoolInput;
  51 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.idmanager.rev160406.CreateIdPoolInputBuilder;
  52 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.idmanager.rev160406.IdManagerService;
  53 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.rpcs.rev160406.OdlInterfaceRpcService;
  54 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.rpcs.rev160406.ItmRpcService;
  55 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  56 import org.opendaylight.yangtools.yang.common.RpcResult;
  57 import org.slf4j.Logger;
  58 import org.slf4j.LoggerFactory;
  59
  60 import com.google.common.base.Optional;
  61
  62 public class ElanServiceProvider implements BindingAwareProvider, IElanService, AutoCloseable {
  63
  64     private IdManagerService idManager;
  65     private IMdsalApiManager mdsalManager;
  66     private IInterfaceManager interfaceManager;
  67     private OdlInterfaceRpcService interfaceManagerRpcService;
  68     private ElanInstanceManager elanInstanceManager;
  69     private ElanForwardingEntriesHandler elanForwardingEntriesHandler;
  70     public IdManagerService getIdManager() {
  71         return idManager;
  72     }
  73
  74     public ElanForwardingEntriesHandler getElanForwardingEntriesHandler() {
  75         return elanForwardingEntriesHandler;
  76     }
  77
  78     public ElanPacketInHandler getElanPacketInHandler() {
  79         return elanPacketInHandler;
  80     }
  81
  82     public ElanSmacFlowEventListener getElanSmacFlowEventListener() {
  83         return elanSmacFlowEventListener;
  84     }
  85
  86     public ElanInterfaceStateChangeListener getElanInterfaceStateChangeListener() {
  87         return elanInterfaceStateChangeListener;
  88     }
  89
  90     public ElanInterfaceStateClusteredListener getInfStateChangeClusteredListener() {
  91         return infStateChangeClusteredListener;
  92     }
  93
  94     public ElanDpnInterfaceClusteredListener getElanDpnInterfaceClusteredListener() {
  95         return elanDpnInterfaceClusteredListener;
  96     }
  97
  98     public ElanNodeListener getElanNodeListener() {
  99         return elanNodeListener;
 100     }
 101
 102     public NotificationService getNotificationService() {
 103         return notificationService;
 104     }
 105
 106     public RpcProviderRegistry getRpcProviderRegistry() {
 107         return rpcProviderRegistry;
 108     }
 109
 110     public ElanL2GatewayProvider getElanL2GatewayProvider() {
 111         return elanL2GatewayProvider;
 112     }
 113
 114     public static ElanStatusMonitor getElanstatusmonitor() {
 115         return elanStatusMonitor;
 116     }
 117
 118     public ElanItmEventListener getElanItmEventListener() {
 119         return elanItmEventListener;
 120     }
 121
 122     public static Logger getLogger() {
 123         return logger;
 124     }
 125
 126     private ElanInterfaceManager elanInterfaceManager;
 127     private ElanPacketInHandler elanPacketInHandler;
 128     private ElanSmacFlowEventListener elanSmacFlowEventListener;
 129     private ElanInterfaceStateChangeListener elanInterfaceStateChangeListener;
 130     private ElanInterfaceStateClusteredListener infStateChangeClusteredListener;
 131     private ElanDpnInterfaceClusteredListener elanDpnInterfaceClusteredListener;
 132     private ElanNodeListener elanNodeListener;
 133     private NotificationService notificationService;
 134     private RpcProviderRegistry rpcProviderRegistry;
 135     private IITMProvider itmManager;
 136     private ItmRpcService itmRpcService;
 137     private DataBroker broker;
 138     private ElanL2GatewayProvider elanL2GatewayProvider;
 139     private ElanStatisticsService interfaceStatsService;
 140     private EntityOwnershipService entityOwnershipService;
 141     private static final ElanStatusMonitor elanStatusMonitor = ElanStatusMonitor.getInstance();
 142     static DataStoreJobCoordinator dataStoreJobCoordinator;
 143     private ElanOvsdbNodeListener elanOvsdbNodeListener;
 144
 145     private boolean generateIntBridgeMac = true;
 146
 147     public static void setDataStoreJobCoordinator(DataStoreJobCoordinator ds) {
 148         dataStoreJobCoordinator = ds;
 149     }
 150
 151     public void setBroker(DataBroker broker) {
 152         this.broker = broker;
 153     }
 154
 155     public static DataStoreJobCoordinator getDataStoreJobCoordinator() {
 156         if (dataStoreJobCoordinator == null) {
 157             dataStoreJobCoordinator = DataStoreJobCoordinator.getInstance();
 158         }
 159         return dataStoreJobCoordinator;
 160     }
 161
 162
 163     public ElanServiceProvider(RpcProviderRegistry rpcRegistry) {
 164         rpcProviderRegistry = rpcRegistry;
 165         elanStatusMonitor.registerMbean();
 166     }
 167
 168     // private ElanInterfaceStateChangeListener elanInterfaceEventListener;
 169     private ElanItmEventListener elanItmEventListener;
 170
 171     private static final Logger logger = LoggerFactory.getLogger(ElanServiceProvider.class);
 172
 173     @Override
 174     public void onSessionInitiated(ProviderContext session) {
 175         elanStatusMonitor.reportStatus("STARTING");
 176         try {
 177             createIdPool();
 178             getDataStoreJobCoordinator();
 179             broker = session.getSALService(DataBroker.class);
 180
 181             elanOvsdbNodeListener = new ElanOvsdbNodeListener(broker, generateIntBridgeMac);
 182             ElanUtils.setElanServiceProvider(this);
 183             elanForwardingEntriesHandler = ElanForwardingEntriesHandler.getElanForwardingEntriesHandler(this);
 184             elanInterfaceManager = ElanInterfaceManager.getElanInterfaceManager(this);
 185             elanInstanceManager = ElanInstanceManager.getElanInstanceManager(this);
 186             elanNodeListener  = ElanNodeListener.getElanNodeListener(this);
 187             elanPacketInHandler = ElanPacketInHandler.getElanPacketInHandler(this);
 188             elanSmacFlowEventListener = ElanSmacFlowEventListener.getElanSmacFlowEventListener(this);
 189             // Initialize statistics rpc provider for elan
 190             interfaceStatsService = ElanStatisticsImpl.getElanStatisticsService(this);
 191             rpcProviderRegistry.addRpcImplementation(ElanStatisticsService.class, interfaceStatsService);
 192             elanInterfaceStateChangeListener = ElanInterfaceStateChangeListener.getElanInterfaceStateChangeListener(this);
 193             infStateChangeClusteredListener = ElanInterfaceStateClusteredListener.getElanInterfaceStateClusteredListener(this);
 194             elanDpnInterfaceClusteredListener = ElanDpnInterfaceClusteredListener.getElanDpnInterfaceClusteredListener(this);
 195             ElanClusterUtils.setElanServiceProvider(this);
 196             this.elanL2GatewayProvider = new ElanL2GatewayProvider(this);
 197             elanInterfaceManager.registerListener(LogicalDatastoreType.CONFIGURATION,broker);
 198             elanInstanceManager.registerListener(LogicalDatastoreType.CONFIGURATION,broker);
 199             notificationService.registerNotificationListener(elanSmacFlowEventListener);
 200             notificationService.registerNotificationListener(elanPacketInHandler);
 201             elanStatusMonitor.reportStatus("OPERATIONAL");
 202         } catch (Exception e) {
 203             logger.error("Error initializing services", e);
 204             elanStatusMonitor.reportStatus("ERROR");
 205         }
 206     }
 207
 208
 209
 210     public void setIdManager(IdManagerService idManager) {
 211         this.idManager = idManager;
 212     }
 213
 214     public void setMdsalManager(IMdsalApiManager mdsalManager) {
 215         this.mdsalManager = mdsalManager;
 216     }
 217
 218     public void setInterfaceManager(IInterfaceManager interfaceManager) {
 219         this.interfaceManager = interfaceManager;
 220     }
 221
 222     public void setEntityOwnershipService(EntityOwnershipService entityOwnershipService) {
 223         this.entityOwnershipService = entityOwnershipService;
 224     }
 225
 226     public IInterfaceManager getInterfaceManager() {
 227         return this.interfaceManager;
 228     }
 229
 230     public IMdsalApiManager getMdsalManager() {
 231         return mdsalManager;
 232     }
 233
 234     public IITMProvider getItmManager() {
 235         return itmManager;
 236     }
 237
 238     public DataBroker getBroker() {
 239         return broker;
 240     }
 241
 242     public void setNotificationService(NotificationService notificationService) {
 243         this.notificationService = notificationService;
 244     }
 245
 246     public void setInterfaceManagerRpcService(OdlInterfaceRpcService interfaceManager) {
 247         this.interfaceManagerRpcService = interfaceManager;
 248     }
 249
 250     public OdlInterfaceRpcService getInterfaceManagerRpcService() {
 251         return interfaceManagerRpcService;
 252     }
 253
 254     public void setItmManager(IITMProvider itmManager) {
 255         this.itmManager = itmManager;
 256     }
 257
 258     public void setItmRpcService(ItmRpcService itmRpcService) {
 259         this.itmRpcService = itmRpcService;
 260     }
 261
 262     public ItmRpcService getItmRpcService() {
 263         return itmRpcService;
 264     }
 265
 266     public ElanInstanceManager getElanInstanceManager() {
 267         return elanInstanceManager;
 268     }
 269
 270     public ElanInterfaceManager getElanInterfaceManager() {
 271         return elanInterfaceManager;
 272     }
 273
 274     public EntityOwnershipService getEntityOwnershipService() {
 275         return entityOwnershipService;
 276     }
 277
 278     private void createIdPool() {
 279         CreateIdPoolInput createPool = new CreateIdPoolInputBuilder().setPoolName(ElanConstants.ELAN_ID_POOL_NAME)
 280             .setLow(ElanConstants.ELAN_ID_LOW_VALUE).setHigh(ElanConstants.ELAN_ID_HIGH_VALUE).build();
 281         try {
 282             Future<RpcResult<Void>> result = idManager.createIdPool(createPool);
 283             if ((result != null) && (result.get().isSuccessful())) {
 284                 logger.debug("ELAN Id Pool is created successfully");
 285             }
 286         } catch (Exception e) {
 287             logger.error("Failed to create ELAN Id pool {}", e);
 288         }
 289     }
 290
 291     @Override
 292     public boolean createElanInstance(String elanInstanceName, long macTimeout, String description) {
 293         ElanInstance existingElanInstance = elanInstanceManager.getElanInstanceByName(elanInstanceName);
 294         boolean isSuccess = true;
 295         if (existingElanInstance != null) {
 296             if (compareWithExistingElanInstance(existingElanInstance, macTimeout, description)) {
 297                 logger.debug("Elan Instance is already present in the Operational DS {}", existingElanInstance);
 298                 return true;
 299             } else {
 300                 ElanInstance updateElanInstance = new ElanInstanceBuilder().setElanInstanceName(elanInstanceName)
 301                     .setDescription(description).setMacTimeout(macTimeout)
 302                     .setKey(new ElanInstanceKey(elanInstanceName)).build();
 303                 MDSALUtil.syncWrite(broker, LogicalDatastoreType.CONFIGURATION,
 304                     ElanUtils.getElanInstanceConfigurationDataPath(elanInstanceName), updateElanInstance);
 305                 logger.debug("Updating the Elan Instance {} with MAC TIME-OUT %l and Description %s ",
 306                     updateElanInstance, macTimeout, description);
 307             }
 308         } else {
 309             ElanInstance elanInstance = new ElanInstanceBuilder().setElanInstanceName(elanInstanceName)
 310                 .setMacTimeout(macTimeout).setDescription(description).setKey(new ElanInstanceKey(elanInstanceName))
 311                 .build();
 312             MDSALUtil.syncWrite(broker, LogicalDatastoreType.CONFIGURATION,
 313                 ElanUtils.getElanInstanceConfigurationDataPath(elanInstanceName), elanInstance);
 314             logger.debug("Creating the new Elan Instance {}", elanInstance);
 315         }
 316         return isSuccess;
 317     }
 318
 319     public static boolean compareWithExistingElanInstance(ElanInstance existingElanInstance, long macTimeOut,
 320                                                           String description) {
 321         boolean isEqual = false;
 322         if (existingElanInstance.getMacTimeout() == macTimeOut
 323             && existingElanInstance.getDescription().equals(description)) {
 324             isEqual = true;
 325         }
 326         return isEqual;
 327     }
 328
 329     @Override
 330     public void updateElanInstance(String elanInstanceName, long newMacTimout, String newDescription) {
 331         createElanInstance(elanInstanceName, newMacTimout, newDescription);
 332     }
 333
 334     @Override
 335     public boolean deleteElanInstance(String elanInstanceName) {
 336         boolean isSuccess = false;
 337         ElanInstance existingElanInstance = elanInstanceManager.getElanInstanceByName(elanInstanceName);
 338         if (existingElanInstance == null) {
 339             logger.debug("Elan Instance is not present {}", existingElanInstance);
 340             return isSuccess;
 341         }
 342         logger.debug("Deletion of the existing Elan Instance {}", existingElanInstance);
 343         ElanUtils.delete(broker, LogicalDatastoreType.CONFIGURATION,
 344             ElanUtils.getElanInstanceConfigurationDataPath(elanInstanceName));
 345         isSuccess = true;
 346         return isSuccess;
 347     }
 348
 349     @Override
 350     public void addElanInterface(String elanInstanceName, String interfaceName, List<String> staticMacAddresses,
 351                                  String description) {
 352         ElanInstance existingElanInstance = elanInstanceManager.getElanInstanceByName(elanInstanceName);
 353         if (existingElanInstance != null) {
 354             ElanInterface elanInterface;
 355             if (staticMacAddresses == null) {
 356                 elanInterface = new ElanInterfaceBuilder().setElanInstanceName(elanInstanceName)
 357                     .setDescription(description).setName(interfaceName).setKey(new ElanInterfaceKey(interfaceName))
 358                     .build();
 359             } else {
 360                 elanInterface = new ElanInterfaceBuilder().setElanInstanceName(elanInstanceName)
 361                     .setDescription(description).setName(interfaceName)
 362                     .setStaticMacEntries(getPhysAddress(staticMacAddresses))
 363                     .setKey(new ElanInterfaceKey(interfaceName)).build();
 364             }
 365             MDSALUtil.syncWrite(broker, LogicalDatastoreType.CONFIGURATION,
 366                 ElanUtils.getElanInterfaceConfigurationDataPathId(interfaceName), elanInterface);
 367             logger.debug("Creating the new ELan Interface {}", elanInterface);
 368         }
 369
 370     }
 371
 372     @Override
 373     public void updateElanInterface(String elanInstanceName, String interfaceName,
 374                                     List<String> updatedStaticMacAddresses, String newDescription) {
 375         ElanInterface existingElanInterface = ElanUtils.getElanInterfaceByElanInterfaceName(interfaceName);
 376         if (existingElanInterface == null) {
 377             return;
 378         }
 379         List<PhysAddress> existingMacAddress = existingElanInterface.getStaticMacEntries();
 380         List<PhysAddress> updatedMacAddresses = getPhysAddress(updatedStaticMacAddresses);
 381         List<PhysAddress> updatedPhysAddress = getUpdatedPhyAddress(existingMacAddress, updatedMacAddresses);
 382         if (updatedPhysAddress.size() > 0) {
 383             logger.debug("updating the ElanInterface with new Mac Entries {}", updatedStaticMacAddresses);
 384             ElanInterface elanInterface = new ElanInterfaceBuilder().setElanInstanceName(elanInstanceName)
 385                 .setName(interfaceName).setDescription(newDescription).setStaticMacEntries(updatedPhysAddress)
 386                 .setKey(new ElanInterfaceKey(interfaceName)).build();
 387             MDSALUtil.syncWrite(broker, LogicalDatastoreType.CONFIGURATION,
 388                 ElanUtils.getElanInterfaceConfigurationDataPathId(interfaceName), elanInterface);
 389         }
 390     }
 391
 392     @Override
 393     public void deleteElanInterface(String elanInstanceName, String interfaceName) {
 394         ElanInterface existingElanInterface = ElanUtils.getElanInterfaceByElanInterfaceName(interfaceName);
 395         if (existingElanInterface != null) {
 396             ElanUtils.delete(broker, LogicalDatastoreType.CONFIGURATION,
 397                 ElanUtils.getElanInterfaceConfigurationDataPathId(interfaceName));
 398             logger.debug("deleting the Elan Interface {}", existingElanInterface);
 399         }
 400     }
 401
 402     @Override
 403     public void addStaticMacAddress(String elanInstanceName, String interfaceName, String macAddress) {
 404         ElanInterface existingElanInterface = ElanUtils.getElanInterfaceByElanInterfaceName(interfaceName);
 405         PhysAddress updateStaticMacAddress = new PhysAddress(macAddress);
 406         if (existingElanInterface != null) {
 407             List<PhysAddress> existingMacAddress = existingElanInterface.getStaticMacEntries();
 408             if (existingMacAddress.contains(updateStaticMacAddress)) {
 409                 return;
 410             }
 411             existingMacAddress.add(updateStaticMacAddress);
 412             ElanInterface elanInterface = new ElanInterfaceBuilder().setElanInstanceName(elanInstanceName)
 413                 .setName(interfaceName).setStaticMacEntries(existingMacAddress)
 414                 .setDescription(existingElanInterface.getDescription()).setKey(new ElanInterfaceKey(interfaceName))
 415                 .build();
 416             MDSALUtil.syncWrite(broker, LogicalDatastoreType.CONFIGURATION,
 417                 ElanUtils.getElanInterfaceConfigurationDataPathId(interfaceName), elanInterface);
 418         }
 419     }
 420
 421     @Override
 422     public void deleteStaticMacAddress(String elanInstanceName, String interfaceName, String macAddress)
 423         throws MacNotFoundException {
 424         ElanInterface existingElanInterface = ElanUtils.getElanInterfaceByElanInterfaceName(interfaceName);
 425         PhysAddress physAddress = new PhysAddress(macAddress);
 426         if (existingElanInterface == null) {
 427             return;
 428         }
 429         List<PhysAddress> existingMacAddress = existingElanInterface.getStaticMacEntries();
 430         if (existingMacAddress.contains(physAddress)) {
 431             existingMacAddress.remove(physAddress);
 432             ElanInterface elanInterface = new ElanInterfaceBuilder().setElanInstanceName(elanInstanceName)
 433                 .setName(interfaceName).setStaticMacEntries(existingMacAddress)
 434                 .setDescription(existingElanInterface.getDescription()).setKey(new ElanInterfaceKey(interfaceName))
 435                 .build();
 436             MDSALUtil.syncWrite(broker, LogicalDatastoreType.CONFIGURATION,
 437                 ElanUtils.getElanInterfaceConfigurationDataPathId(interfaceName), elanInterface);
 438         } else {
 439             throw new MacNotFoundException("Mac Not Found Exception");
 440         }
 441     }
 442
 443     @Override
 444     public Collection<MacEntry> getElanMacTable(String elanInstanceName) {
 445         Elan elanInfo = ElanUtils.getElanByName(elanInstanceName);
 446         List<MacEntry> macAddress = new ArrayList<>();
 447         if (elanInfo == null) {
 448             return macAddress;
 449         }
 450         List<String> elanInterfaces = elanInfo.getElanInterfaces();
 451         if (elanInterfaces != null && elanInterfaces.size() > 0) {
 452             for (String elanInterface : elanInterfaces) {
 453                 ElanInterfaceMac elanInterfaceMac = ElanUtils.getElanInterfaceMacByInterfaceName(elanInterface);
 454                 if (elanInterfaceMac != null && elanInterfaceMac.getMacEntry() != null
 455                     && elanInterfaceMac.getMacEntry().size() > 0) {
 456                     macAddress.addAll(elanInterfaceMac.getMacEntry());
 457                 }
 458             }
 459         }
 460         return macAddress;
 461     }
 462
 463     @Override
 464     public void flushMACTable(String elanInstanceName) {
 465         Elan elanInfo = ElanUtils.getElanByName(elanInstanceName);
 466         if (elanInfo == null) {
 467             return;
 468         }
 469         List<String> elanInterfaces = elanInfo.getElanInterfaces();
 470         if (elanInterfaces == null || elanInterfaces.isEmpty()) {
 471             return;
 472         }
 473         for (String elanInterface : elanInterfaces) {
 474             ElanInterfaceMac elanInterfaceMac = ElanUtils.getElanInterfaceMacByInterfaceName(elanInterface);
 475             if (elanInterfaceMac.getMacEntry() != null && elanInterfaceMac.getMacEntry().size() > 0) {
 476                 List<MacEntry> macEntries = elanInterfaceMac.getMacEntry();
 477                 for (MacEntry macEntry : macEntries) {
 478                     try {
 479                         deleteStaticMacAddress(elanInstanceName, elanInterface, macEntry.getMacAddress().getValue());
 480                     } catch (MacNotFoundException e) {
 481                         logger.error("Mac Not Found Exception {}", e);
 482                         e.printStackTrace();
 483                     }
 484                 }
 485             }
 486         }
 487
 488     }
 489
 490     @Override
 491     public void close() throws Exception {
 492         this.elanInstanceManager.close();
 493         this.elanL2GatewayProvider.close();
 494     }
 495
 496     public static List<PhysAddress> getPhysAddress(List<String> macAddress) {
 497         List<PhysAddress> physAddresses = new ArrayList<>();
 498         for (String mac : macAddress) {
 499             physAddresses.add(new PhysAddress(mac));
 500         }
 501         return physAddresses;
 502     }
 503
 504     public List<PhysAddress> getUpdatedPhyAddress(List<PhysAddress> originalAddresses,
 505                                                   List<PhysAddress> updatePhyAddresses) {
 506         if (updatePhyAddresses != null && !updatePhyAddresses.isEmpty()) {
 507             List<PhysAddress> existingClonedPhyAddress = new ArrayList<>();
 508             if (originalAddresses != null && !originalAddresses.isEmpty()) {
 509                 existingClonedPhyAddress.addAll(0, originalAddresses);
 510                 originalAddresses.removeAll(updatePhyAddresses);
 511                 updatePhyAddresses.removeAll(existingClonedPhyAddress);
 512             }
 513         }
 514         return updatePhyAddresses;
 515     }
 516
 517     @Override
 518     public ElanInstance getElanInstance(String elanName) {
 519         return ElanUtils.getElanInstanceByName(elanName);
 520     }
 521
 522     @Override
 523     public List<ElanInstance> getElanInstances() {
 524         List<ElanInstance> elanList = new ArrayList<>();
 525         InstanceIdentifier<ElanInstances> elanInstancesIdentifier = InstanceIdentifier.builder(ElanInstances.class)
 526             .build();
 527         Optional<ElanInstances> elansOptional = ElanUtils.read(broker, LogicalDatastoreType.CONFIGURATION,
 528             elanInstancesIdentifier);
 529         if (elansOptional.isPresent()) {
 530             elanList.addAll(elansOptional.get().getElanInstance());
 531         }
 532         return elanList;
 533     }
 534
 535     @Override
 536     public List<String> getElanInterfaces(String elanInstanceName) {
 537         List<String> elanInterfaces = new ArrayList<>();
 538         InstanceIdentifier<ElanInterfaces> elanInterfacesIdentifier = InstanceIdentifier.builder(ElanInterfaces.class)
 539             .build();
 540         Optional<ElanInterfaces> elanInterfacesOptional = ElanUtils.read(broker, LogicalDatastoreType.CONFIGURATION,
 541             elanInterfacesIdentifier);
 542         if (!elanInterfacesOptional.isPresent()) {
 543             return elanInterfaces;
 544         }
 545         List<ElanInterface> elanInterfaceList = elanInterfacesOptional.get().getElanInterface();
 546         for (ElanInterface elanInterface : elanInterfaceList) {
 547             if (elanInterface.getElanInstanceName().equals(elanInstanceName)) {
 548                 elanInterfaces.add(elanInterface.getName());
 549             }
 550         }
 551         return elanInterfaces;
 552     }
 553
 554     public boolean getGenerateIntBridgeMac() {
 555         return generateIntBridgeMac;
 556     }
 557
 558     public void setGenerateIntBridgeMac(boolean generateIntBridgeMac) {
 559         this.generateIntBridgeMac = generateIntBridgeMac;
 560     }
 561 }