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.l2gw.internal.ElanL2GatewayProvider;
  24 import org.opendaylight.netvirt.elan.statusanddiag.ElanStatusMonitor;
  25 import org.opendaylight.netvirt.elan.utils.ElanClusterUtils;
  26 import org.opendaylight.netvirt.elan.utils.ElanConstants;
  27 import org.opendaylight.netvirt.elan.utils.ElanUtils;
  28 import org.opendaylight.netvirt.elan.statisitcs.ElanStatisticsImpl;
  29 import org.opendaylight.netvirt.elanmanager.api.IElanService;
  30 import org.opendaylight.netvirt.elanmanager.exceptions.MacNotFoundException;
  31 import org.opendaylight.genius.datastoreutils.DataStoreJobCoordinator;
  32 import org.opendaylight.genius.interfacemanager.interfaces.IInterfaceManager;
  33 import org.opendaylight.genius.itm.api.IITMProvider;
  34 import org.opendaylight.genius.mdsalutil.MDSALUtil;
  35 import org.opendaylight.genius.mdsalutil.interfaces.IMdsalApiManager;
  36 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.PhysAddress;
  37 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.SalFlowService;
  38 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.idmanager.rev160406.CreateIdPoolInput;
  39 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.idmanager.rev160406.CreateIdPoolInputBuilder;
  40 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.idmanager.rev160406.IdManagerService;
  41 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.rpcs.rev160406.OdlInterfaceRpcService;
  42 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.rpcs.rev160406.ItmRpcService;
  43 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.ElanInstances;
  44 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.ElanInterfaces;
  45 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.elan._interface.forwarding.entries.ElanInterfaceMac;
  46 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.elan.instances.ElanInstance;
  47 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.elan.instances.ElanInstanceBuilder;
  48 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.elan.instances.ElanInstanceKey;
  49 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.elan.interfaces.ElanInterface;
  50 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.elan.interfaces.ElanInterfaceBuilder;
  51 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.elan.interfaces.ElanInterfaceKey;
  52 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.elan.state.Elan;
  53 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.forwarding.entries.MacEntry;
  54 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.statistics.rev150824.ElanStatisticsService;
  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     private ElanInterfaceManager elanInterfaceManager;
  71     private ElanPacketInHandler elanPacketInHandler;
  72     private ElanSmacFlowEventListener elanSmacFlowEventListener;
  73     private ElanInterfaceStateChangeListener elanInterfaceStateChangeListener;
  74     private ElanInterfaceStateClusteredListener infStateChangeClusteredListener;
  75     private ElanDpnInterfaceClusteredListener elanDpnInterfaceClusteredListener;
  76     private ElanNodeListener elanNodeListener;
  77     private NotificationService notificationService;
  78     private RpcProviderRegistry rpcProviderRegistry;
  79     private IITMProvider itmManager;
  80     private ItmRpcService itmRpcService;
  81     private DataBroker broker;
  82     private ElanL2GatewayProvider elanL2GatewayProvider;
  83
  84     private EntityOwnershipService entityOwnershipService;
  85
  86     private static final ElanStatusMonitor elanStatusMonitor = ElanStatusMonitor.getInstance();
  87     static DataStoreJobCoordinator dataStoreJobCoordinator;
  88     private ElanOvsdbNodeListener elanOvsdbNodeListener;
  89
  90     private boolean generateIntBridgeMac = true;
  91
  92     public static void setDataStoreJobCoordinator(DataStoreJobCoordinator ds) {
  93         dataStoreJobCoordinator = ds;
  94     }
  95
  96     public static DataStoreJobCoordinator getDataStoreJobCoordinator() {
  97         if (dataStoreJobCoordinator == null) {
  98             dataStoreJobCoordinator = DataStoreJobCoordinator.getInstance();
  99         }
 100         return dataStoreJobCoordinator;
 101     }
 102
 103
 104     public ElanServiceProvider(RpcProviderRegistry rpcRegistry) {
 105         rpcProviderRegistry = rpcRegistry;
 106         elanStatusMonitor.registerMbean();
 107     }
 108
 109     // private ElanInterfaceStateChangeListener elanInterfaceEventListener;
 110     private ElanItmEventListener elanItmEventListener;
 111
 112     private static final Logger logger = LoggerFactory.getLogger(ElanServiceProvider.class);
 113
 114     @Override
 115     public void onSessionInitiated(ProviderContext session) {
 116         elanStatusMonitor.reportStatus("STARTING");
 117         try {
 118             createIdPool();
 119             getDataStoreJobCoordinator();
 120             broker = session.getSALService(DataBroker.class);
 121
 122             ElanUtils.setDataBroker(broker);
 123             ElanUtils.setIfaceMgrRpcService(interfaceManagerRpcService);
 124             ElanUtils.setItmRpcService(itmRpcService);
 125             ElanUtils.setMdsalManager(mdsalManager);
 126
 127             elanForwardingEntriesHandler = new ElanForwardingEntriesHandler(broker);
 128
 129             elanInterfaceManager = ElanInterfaceManager.getElanInterfaceManager();
 130             elanInterfaceManager.setInterfaceManager(interfaceManager);
 131             elanInterfaceManager.setIdManager(idManager);
 132             elanInterfaceManager.setMdSalApiManager(mdsalManager);
 133             elanInterfaceManager.setDataBroker(broker);
 134             elanInterfaceManager.setInterfaceManagerRpcService(interfaceManagerRpcService);
 135             elanInterfaceManager.setElanForwardingEntriesHandler(elanForwardingEntriesHandler);
 136
 137             elanInstanceManager = ElanInstanceManager.getElanInstanceManager();
 138             elanInstanceManager.setDataBroker(broker);
 139             elanInstanceManager.setIdManager(idManager);
 140             elanInstanceManager.setElanInterfaceManager(elanInterfaceManager);
 141             elanInstanceManager.setInterfaceManager(interfaceManager);
 142
 143
 144             elanNodeListener = new ElanNodeListener(broker, mdsalManager);
 145             elanOvsdbNodeListener = new ElanOvsdbNodeListener(broker, generateIntBridgeMac);
 146
 147             elanPacketInHandler = new ElanPacketInHandler(broker);
 148             elanPacketInHandler.setInterfaceManager(interfaceManager);
 149
 150
 151             elanSmacFlowEventListener = new ElanSmacFlowEventListener(broker);
 152             elanSmacFlowEventListener.setMdSalApiManager(mdsalManager);
 153             elanSmacFlowEventListener.setInterfaceManager(interfaceManager);
 154             elanSmacFlowEventListener.setSalFlowService(session.getRpcService(SalFlowService.class));
 155
 156
 157             // Initialize statistics rpc provider for elan
 158             ElanStatisticsService interfaceStatsService = new ElanStatisticsImpl(broker, interfaceManager,
 159                     mdsalManager);
 160             rpcProviderRegistry.addRpcImplementation(ElanStatisticsService.class, interfaceStatsService);
 161
 162             elanInterfaceStateChangeListener = new ElanInterfaceStateChangeListener(broker, elanInterfaceManager);
 163             elanInterfaceStateChangeListener.setInterfaceManager(interfaceManager);
 164
 165             infStateChangeClusteredListener = new ElanInterfaceStateClusteredListener(broker, elanInterfaceManager);
 166
 167             elanDpnInterfaceClusteredListener = new ElanDpnInterfaceClusteredListener(broker, elanInterfaceManager);
 168             ElanClusterUtils.setEntityOwnershipService(entityOwnershipService);
 169             ElanClusterUtils.setDataStoreJobCoordinator(dataStoreJobCoordinator);
 170             this.elanL2GatewayProvider = new ElanL2GatewayProvider(this);
 171
 172             elanInterfaceManager.registerListener();
 173             elanInstanceManager.registerListener();
 174             notificationService.registerNotificationListener(elanSmacFlowEventListener);
 175             notificationService.registerNotificationListener(elanPacketInHandler);
 176
 177             elanStatusMonitor.reportStatus("OPERATIONAL");
 178         } catch (Exception e) {
 179             logger.error("Error initializing services", e);
 180             elanStatusMonitor.reportStatus("ERROR");
 181         }
 182     }
 183
 184     public void setIdManager(IdManagerService idManager) {
 185         this.idManager = idManager;
 186     }
 187
 188     public void setMdsalManager(IMdsalApiManager mdsalManager) {
 189         this.mdsalManager = mdsalManager;
 190     }
 191
 192     public void setInterfaceManager(IInterfaceManager interfaceManager) {
 193         this.interfaceManager = interfaceManager;
 194     }
 195
 196     public void setEntityOwnershipService(EntityOwnershipService entityOwnershipService) {
 197         this.entityOwnershipService = entityOwnershipService;
 198     }
 199
 200     public IInterfaceManager getInterfaceManager() {
 201         return this.interfaceManager;
 202     }
 203
 204     public IMdsalApiManager getMdsalManager() {
 205         return mdsalManager;
 206     }
 207
 208     public IITMProvider getItmManager() {
 209         return itmManager;
 210     }
 211
 212     public DataBroker getBroker() {
 213         return broker;
 214     }
 215
 216     public void setNotificationService(NotificationService notificationService) {
 217         this.notificationService = notificationService;
 218     }
 219
 220     public void setInterfaceManagerRpcService(OdlInterfaceRpcService interfaceManager) {
 221         this.interfaceManagerRpcService = interfaceManager;
 222     }
 223
 224     public OdlInterfaceRpcService getInterfaceManagerRpcService() {
 225         return interfaceManagerRpcService;
 226     }
 227
 228     public void setItmManager(IITMProvider itmManager) {
 229         this.itmManager = itmManager;
 230     }
 231
 232     public void setItmRpcService(ItmRpcService itmRpcService) {
 233         this.itmRpcService = itmRpcService;
 234     }
 235
 236     public ItmRpcService getItmRpcService() {
 237         return itmRpcService;
 238     }
 239
 240     public ElanInstanceManager getElanInstanceManager() {
 241         return elanInstanceManager;
 242     }
 243
 244     public ElanInterfaceManager getElanInterfaceManager() {
 245         return elanInterfaceManager;
 246     }
 247
 248     public EntityOwnershipService getEntityOwnershipService() {
 249         return entityOwnershipService;
 250     }
 251
 252     private void createIdPool() {
 253         CreateIdPoolInput createPool = new CreateIdPoolInputBuilder().setPoolName(ElanConstants.ELAN_ID_POOL_NAME)
 254                 .setLow(ElanConstants.ELAN_ID_LOW_VALUE).setHigh(ElanConstants.ELAN_ID_HIGH_VALUE).build();
 255         try {
 256             Future<RpcResult<Void>> result = idManager.createIdPool(createPool);
 257             if ((result != null) && (result.get().isSuccessful())) {
 258                 logger.debug("ELAN Id Pool is created successfully");
 259             }
 260         } catch (Exception e) {
 261             logger.error("Failed to create ELAN Id pool {}", e);
 262         }
 263     }
 264
 265     @Override
 266     public boolean createElanInstance(String elanInstanceName, long macTimeout, String description) {
 267         ElanInstance existingElanInstance = elanInstanceManager.getElanInstanceByName(elanInstanceName);
 268         boolean isSuccess = true;
 269         if (existingElanInstance != null) {
 270             if (compareWithExistingElanInstance(existingElanInstance, macTimeout, description)) {
 271                 logger.debug("Elan Instance is already present in the Operational DS {}", existingElanInstance);
 272                 return true;
 273             } else {
 274                 ElanInstance updateElanInstance = new ElanInstanceBuilder().setElanInstanceName(elanInstanceName)
 275                         .setDescription(description).setMacTimeout(macTimeout)
 276                         .setKey(new ElanInstanceKey(elanInstanceName)).build();
 277                 MDSALUtil.syncWrite(broker, LogicalDatastoreType.CONFIGURATION,
 278                         ElanUtils.getElanInstanceConfigurationDataPath(elanInstanceName), updateElanInstance);
 279                 logger.debug("Updating the Elan Instance {} with MAC TIME-OUT %l and Description %s ",
 280                         updateElanInstance, macTimeout, description);
 281             }
 282         } else {
 283             ElanInstance elanInstance = new ElanInstanceBuilder().setElanInstanceName(elanInstanceName)
 284                     .setMacTimeout(macTimeout).setDescription(description).setKey(new ElanInstanceKey(elanInstanceName))
 285                     .build();
 286             MDSALUtil.syncWrite(broker, LogicalDatastoreType.CONFIGURATION,
 287                     ElanUtils.getElanInstanceConfigurationDataPath(elanInstanceName), elanInstance);
 288             logger.debug("Creating the new Elan Instance {}", elanInstance);
 289         }
 290         return isSuccess;
 291     }
 292
 293     public static boolean compareWithExistingElanInstance(ElanInstance existingElanInstance, long macTimeOut,
 294             String description) {
 295         boolean isEqual = false;
 296         if (existingElanInstance.getMacTimeout() == macTimeOut
 297                 && existingElanInstance.getDescription().equals(description)) {
 298             isEqual = true;
 299         }
 300         return isEqual;
 301     }
 302
 303     @Override
 304     public void updateElanInstance(String elanInstanceName, long newMacTimout, String newDescription) {
 305         createElanInstance(elanInstanceName, newMacTimout, newDescription);
 306     }
 307
 308     @Override
 309     public boolean deleteElanInstance(String elanInstanceName) {
 310         boolean isSuccess = false;
 311         ElanInstance existingElanInstance = elanInstanceManager.getElanInstanceByName(elanInstanceName);
 312         if (existingElanInstance == null) {
 313             logger.debug("Elan Instance is not present {}", existingElanInstance);
 314             return isSuccess;
 315         }
 316         logger.debug("Deletion of the existing Elan Instance {}", existingElanInstance);
 317         ElanUtils.delete(broker, LogicalDatastoreType.CONFIGURATION,
 318                 ElanUtils.getElanInstanceConfigurationDataPath(elanInstanceName));
 319         isSuccess = true;
 320         return isSuccess;
 321     }
 322
 323     @Override
 324     public void addElanInterface(String elanInstanceName, String interfaceName, List<String> staticMacAddresses,
 325             String description) {
 326         ElanInstance existingElanInstance = elanInstanceManager.getElanInstanceByName(elanInstanceName);
 327         if (existingElanInstance != null) {
 328             ElanInterface elanInterface;
 329             if (staticMacAddresses == null) {
 330                 elanInterface = new ElanInterfaceBuilder().setElanInstanceName(elanInstanceName)
 331                         .setDescription(description).setName(interfaceName).setKey(new ElanInterfaceKey(interfaceName))
 332                         .build();
 333             } else {
 334                 elanInterface = new ElanInterfaceBuilder().setElanInstanceName(elanInstanceName)
 335                         .setDescription(description).setName(interfaceName)
 336                         .setStaticMacEntries(getPhysAddress(staticMacAddresses))
 337                         .setKey(new ElanInterfaceKey(interfaceName)).build();
 338             }
 339             MDSALUtil.syncWrite(broker, LogicalDatastoreType.CONFIGURATION,
 340                     ElanUtils.getElanInterfaceConfigurationDataPathId(interfaceName), elanInterface);
 341             logger.debug("Creating the new ELan Interface {}", elanInterface);
 342         }
 343
 344     }
 345
 346     @Override
 347     public void updateElanInterface(String elanInstanceName, String interfaceName,
 348             List<String> updatedStaticMacAddresses, String newDescription) {
 349         ElanInterface existingElanInterface = ElanUtils.getElanInterfaceByElanInterfaceName(interfaceName);
 350         if (existingElanInterface == null) {
 351             return;
 352         }
 353         List<PhysAddress> existingMacAddress = existingElanInterface.getStaticMacEntries();
 354         List<PhysAddress> updatedMacAddresses = getPhysAddress(updatedStaticMacAddresses);
 355         List<PhysAddress> updatedPhysAddress = getUpdatedPhyAddress(existingMacAddress, updatedMacAddresses);
 356         if (updatedPhysAddress.size() > 0) {
 357             logger.debug("updating the ElanInterface with new Mac Entries {}", updatedStaticMacAddresses);
 358             ElanInterface elanInterface = new ElanInterfaceBuilder().setElanInstanceName(elanInstanceName)
 359                     .setName(interfaceName).setDescription(newDescription).setStaticMacEntries(updatedPhysAddress)
 360                     .setKey(new ElanInterfaceKey(interfaceName)).build();
 361             MDSALUtil.syncWrite(broker, LogicalDatastoreType.CONFIGURATION,
 362                     ElanUtils.getElanInterfaceConfigurationDataPathId(interfaceName), elanInterface);
 363         }
 364     }
 365
 366     @Override
 367     public void deleteElanInterface(String elanInstanceName, String interfaceName) {
 368         ElanInterface existingElanInterface = ElanUtils.getElanInterfaceByElanInterfaceName(interfaceName);
 369         if (existingElanInterface != null) {
 370             ElanUtils.delete(broker, LogicalDatastoreType.CONFIGURATION,
 371                     ElanUtils.getElanInterfaceConfigurationDataPathId(interfaceName));
 372             logger.debug("deleting the Elan Interface {}", existingElanInterface);
 373         }
 374     }
 375
 376     @Override
 377     public void addStaticMacAddress(String elanInstanceName, String interfaceName, String macAddress) {
 378         ElanInterface existingElanInterface = ElanUtils.getElanInterfaceByElanInterfaceName(interfaceName);
 379         PhysAddress updateStaticMacAddress = new PhysAddress(macAddress);
 380         if (existingElanInterface != null) {
 381             List<PhysAddress> existingMacAddress = existingElanInterface.getStaticMacEntries();
 382             if (existingMacAddress.contains(updateStaticMacAddress)) {
 383                 return;
 384             }
 385             existingMacAddress.add(updateStaticMacAddress);
 386             ElanInterface elanInterface = new ElanInterfaceBuilder().setElanInstanceName(elanInstanceName)
 387                     .setName(interfaceName).setStaticMacEntries(existingMacAddress)
 388                     .setDescription(existingElanInterface.getDescription()).setKey(new ElanInterfaceKey(interfaceName))
 389                     .build();
 390             MDSALUtil.syncWrite(broker, LogicalDatastoreType.CONFIGURATION,
 391                     ElanUtils.getElanInterfaceConfigurationDataPathId(interfaceName), elanInterface);
 392         }
 393     }
 394
 395     @Override
 396     public void deleteStaticMacAddress(String elanInstanceName, String interfaceName, String macAddress)
 397             throws MacNotFoundException {
 398         ElanInterface existingElanInterface = ElanUtils.getElanInterfaceByElanInterfaceName(interfaceName);
 399         PhysAddress physAddress = new PhysAddress(macAddress);
 400         if (existingElanInterface == null) {
 401             return;
 402         }
 403         List<PhysAddress> existingMacAddress = existingElanInterface.getStaticMacEntries();
 404         if (existingMacAddress.contains(physAddress)) {
 405             existingMacAddress.remove(physAddress);
 406             ElanInterface elanInterface = new ElanInterfaceBuilder().setElanInstanceName(elanInstanceName)
 407                     .setName(interfaceName).setStaticMacEntries(existingMacAddress)
 408                     .setDescription(existingElanInterface.getDescription()).setKey(new ElanInterfaceKey(interfaceName))
 409                     .build();
 410             MDSALUtil.syncWrite(broker, LogicalDatastoreType.CONFIGURATION,
 411                     ElanUtils.getElanInterfaceConfigurationDataPathId(interfaceName), elanInterface);
 412         } else {
 413             throw new MacNotFoundException("Mac Not Found Exception");
 414         }
 415     }
 416
 417     @Override
 418     public Collection<MacEntry> getElanMacTable(String elanInstanceName) {
 419         Elan elanInfo = ElanUtils.getElanByName(elanInstanceName);
 420         List<MacEntry> macAddress = new ArrayList<>();
 421         if (elanInfo == null) {
 422             return macAddress;
 423         }
 424         List<String> elanInterfaces = elanInfo.getElanInterfaces();
 425         if (elanInterfaces != null && elanInterfaces.size() > 0) {
 426             for (String elanInterface : elanInterfaces) {
 427                 ElanInterfaceMac elanInterfaceMac = ElanUtils.getElanInterfaceMacByInterfaceName(elanInterface);
 428                 if (elanInterfaceMac != null && elanInterfaceMac.getMacEntry() != null
 429                         && elanInterfaceMac.getMacEntry().size() > 0) {
 430                     macAddress.addAll(elanInterfaceMac.getMacEntry());
 431                 }
 432             }
 433         }
 434         return macAddress;
 435     }
 436
 437     @Override
 438     public void flushMACTable(String elanInstanceName) {
 439         Elan elanInfo = ElanUtils.getElanByName(elanInstanceName);
 440         if (elanInfo == null) {
 441             return;
 442         }
 443         List<String> elanInterfaces = elanInfo.getElanInterfaces();
 444         if (elanInterfaces == null || elanInterfaces.isEmpty()) {
 445             return;
 446         }
 447         for (String elanInterface : elanInterfaces) {
 448             ElanInterfaceMac elanInterfaceMac = ElanUtils.getElanInterfaceMacByInterfaceName(elanInterface);
 449             if (elanInterfaceMac.getMacEntry() != null && elanInterfaceMac.getMacEntry().size() > 0) {
 450                 List<MacEntry> macEntries = elanInterfaceMac.getMacEntry();
 451                 for (MacEntry macEntry : macEntries) {
 452                     try {
 453                         deleteStaticMacAddress(elanInstanceName, elanInterface, macEntry.getMacAddress().getValue());
 454                     } catch (MacNotFoundException e) {
 455                         logger.error("Mac Not Found Exception {}", e);
 456                         e.printStackTrace();
 457                     }
 458                 }
 459             }
 460         }
 461
 462     }
 463
 464     @Override
 465     public void close() throws Exception {
 466         this.elanInstanceManager.close();
 467         this.elanL2GatewayProvider.close();
 468     }
 469
 470     public static List<PhysAddress> getPhysAddress(List<String> macAddress) {
 471         List<PhysAddress> physAddresses = new ArrayList<>();
 472         for (String mac : macAddress) {
 473             physAddresses.add(new PhysAddress(mac));
 474         }
 475         return physAddresses;
 476     }
 477
 478     public List<PhysAddress> getUpdatedPhyAddress(List<PhysAddress> originalAddresses,
 479             List<PhysAddress> updatePhyAddresses) {
 480         if (updatePhyAddresses != null && !updatePhyAddresses.isEmpty()) {
 481             List<PhysAddress> existingClonedPhyAddress = new ArrayList<>();
 482             if (originalAddresses != null && !originalAddresses.isEmpty()) {
 483                 existingClonedPhyAddress.addAll(0, originalAddresses);
 484                 originalAddresses.removeAll(updatePhyAddresses);
 485                 updatePhyAddresses.removeAll(existingClonedPhyAddress);
 486             }
 487         }
 488         return updatePhyAddresses;
 489     }
 490
 491     @Override
 492     public ElanInstance getElanInstance(String elanName) {
 493         return ElanUtils.getElanInstanceByName(elanName);
 494     }
 495
 496     @Override
 497     public List<ElanInstance> getElanInstances() {
 498         List<ElanInstance> elanList = new ArrayList<>();
 499         InstanceIdentifier<ElanInstances> elanInstancesIdentifier = InstanceIdentifier.builder(ElanInstances.class)
 500                 .build();
 501         Optional<ElanInstances> elansOptional = ElanUtils.read(broker, LogicalDatastoreType.CONFIGURATION,
 502                 elanInstancesIdentifier);
 503         if (elansOptional.isPresent()) {
 504             elanList.addAll(elansOptional.get().getElanInstance());
 505         }
 506         return elanList;
 507     }
 508
 509     @Override
 510     public List<String> getElanInterfaces(String elanInstanceName) {
 511         List<String> elanInterfaces = new ArrayList<>();
 512         InstanceIdentifier<ElanInterfaces> elanInterfacesIdentifier = InstanceIdentifier.builder(ElanInterfaces.class)
 513                 .build();
 514         Optional<ElanInterfaces> elanInterfacesOptional = ElanUtils.read(broker, LogicalDatastoreType.CONFIGURATION,
 515                 elanInterfacesIdentifier);
 516         if (!elanInterfacesOptional.isPresent()) {
 517             return elanInterfaces;
 518         }
 519         List<ElanInterface> elanInterfaceList = elanInterfacesOptional.get().getElanInterface();
 520         for (ElanInterface elanInterface : elanInterfaceList) {
 521             if (elanInterface.getElanInstanceName().equals(elanInstanceName)) {
 522                 elanInterfaces.add(elanInterface.getName());
 523             }
 524         }
 525         return elanInterfaces;
 526     }
 527
 528     public boolean getGenerateIntBridgeMac() {
 529         return generateIntBridgeMac;
 530     }
 531
 532     public void setGenerateIntBridgeMac(boolean generateIntBridgeMac) {
 533         this.generateIntBridgeMac = generateIntBridgeMac;
 534     }
 535 }