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.Collections;
  14 import java.util.HashSet;
  15 import java.util.List;
  16 import java.util.Map;
  17 import java.util.Set;
  18 import java.util.concurrent.Future;
  19 import java.util.function.BiFunction;
  20
  21 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  22 import org.opendaylight.controller.md.sal.binding.api.NotificationService;
  23 import org.opendaylight.controller.md.sal.common.api.clustering.EntityOwnershipService;
  24 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  25 import org.opendaylight.controller.sal.binding.api.BindingAwareBroker.ProviderContext;
  26 import org.opendaylight.controller.sal.binding.api.BindingAwareProvider;
  27 import org.opendaylight.controller.sal.binding.api.RpcProviderRegistry;
  28 import org.opendaylight.netvirt.elan.utils.ElanForwardingEntriesHandler;
  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.netvirt.elan.l2gw.internal.ElanL2GatewayProvider;
  33 import org.opendaylight.netvirt.elan.statisitcs.ElanStatisticsImpl;
  34 import org.opendaylight.netvirt.elan.statusanddiag.ElanStatusMonitor;
  35 import org.opendaylight.netvirt.elan.utils.ElanClusterUtils;
  36 import org.opendaylight.netvirt.elan.utils.ElanConstants;
  37 import org.opendaylight.netvirt.elan.utils.ElanUtils;
  38 import org.opendaylight.genius.interfacemanager.exceptions.InterfaceAlreadyExistsException;
  39 import org.opendaylight.genius.interfacemanager.globals.IfmConstants;
  40 import org.opendaylight.genius.interfacemanager.interfaces.IInterfaceManager;
  41 import org.opendaylight.genius.itm.api.IITMProvider;
  42 import org.opendaylight.genius.mdsalutil.MDSALUtil;
  43 import org.opendaylight.genius.mdsalutil.interfaces.IMdsalApiManager;
  44 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.Interfaces;
  45 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.Interface;
  46 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.InterfaceKey;
  47 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.PhysAddress;
  48 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.ElanInstances;
  49 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.ElanInterfaces;
  50 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.elan._interface.forwarding.entries.ElanInterfaceMac;
  51 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.elan.instances.ElanInstance;
  52 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.elan.instances.ElanInstanceBuilder;
  53 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.elan.instances.ElanInstanceKey;
  54 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.elan.interfaces.ElanInterface;
  55 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.elan.interfaces.ElanInterfaceBuilder;
  56 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.elan.interfaces.ElanInterfaceKey;
  57 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.elan.state.Elan;
  58 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.forwarding.entries.MacEntry;
  59 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.statistics.rev150824.ElanStatisticsService;
  60 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
  61 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.idmanager.rev160406.CreateIdPoolInput;
  62 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.idmanager.rev160406.CreateIdPoolInputBuilder;
  63 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.idmanager.rev160406.IdManagerService;
  64 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.rev160406.IfL2vlan;
  65 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.rpcs.rev160406.OdlInterfaceRpcService;
  66 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.rpcs.rev160406.ItmRpcService;
  67 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  68 import org.opendaylight.yangtools.yang.common.RpcResult;
  69 import org.slf4j.Logger;
  70 import org.slf4j.LoggerFactory;
  71
  72 import com.google.common.base.Optional;
  73
  74
  75 public class ElanServiceProvider implements BindingAwareProvider, IElanService, AutoCloseable {
  76
  77     private IdManagerService idManager;
  78     private IMdsalApiManager mdsalManager;
  79     private IInterfaceManager interfaceManager;
  80     private OdlInterfaceRpcService interfaceManagerRpcService;
  81     private ElanInstanceManager elanInstanceManager;
  82     private ElanForwardingEntriesHandler elanForwardingEntriesHandler;
  83     private ElanBridgeManager bridgeMgr;
  84
  85     public IdManagerService getIdManager() {
  86         return idManager;
  87     }
  88
  89     public ElanForwardingEntriesHandler getElanForwardingEntriesHandler() {
  90         return elanForwardingEntriesHandler;
  91     }
  92
  93     public ElanPacketInHandler getElanPacketInHandler() {
  94         return elanPacketInHandler;
  95     }
  96
  97     public ElanSmacFlowEventListener getElanSmacFlowEventListener() {
  98         return elanSmacFlowEventListener;
  99     }
 100
 101     public ElanInterfaceStateChangeListener getElanInterfaceStateChangeListener() {
 102         return elanInterfaceStateChangeListener;
 103     }
 104
 105     public ElanInterfaceStateClusteredListener getInfStateChangeClusteredListener() {
 106         return infStateChangeClusteredListener;
 107     }
 108
 109     public ElanDpnInterfaceClusteredListener getElanDpnInterfaceClusteredListener() {
 110         return elanDpnInterfaceClusteredListener;
 111     }
 112
 113     public ElanNodeListener getElanNodeListener() {
 114         return elanNodeListener;
 115     }
 116
 117     public NotificationService getNotificationService() {
 118         return notificationService;
 119     }
 120
 121     public RpcProviderRegistry getRpcProviderRegistry() {
 122         return rpcProviderRegistry;
 123     }
 124
 125     public ElanL2GatewayProvider getElanL2GatewayProvider() {
 126         return elanL2GatewayProvider;
 127     }
 128
 129     public static ElanStatusMonitor getElanstatusmonitor() {
 130         return elanStatusMonitor;
 131     }
 132
 133     public ElanItmEventListener getElanItmEventListener() {
 134         return elanItmEventListener;
 135     }
 136
 137     public static Logger getLogger() {
 138         return logger;
 139     }
 140
 141     private ElanInterfaceManager elanInterfaceManager;
 142     private ElanPacketInHandler elanPacketInHandler;
 143     private ElanSmacFlowEventListener elanSmacFlowEventListener;
 144     private ElanInterfaceStateChangeListener elanInterfaceStateChangeListener;
 145     private ElanInterfaceStateClusteredListener infStateChangeClusteredListener;
 146     private ElanDpnInterfaceClusteredListener elanDpnInterfaceClusteredListener;
 147     private ElanNodeListener elanNodeListener;
 148     private NotificationService notificationService;
 149     private RpcProviderRegistry rpcProviderRegistry;
 150     private IITMProvider itmManager;
 151     private ItmRpcService itmRpcService;
 152     private DataBroker broker;
 153     private ElanL2GatewayProvider elanL2GatewayProvider;
 154     private ElanStatisticsService interfaceStatsService;
 155     private EntityOwnershipService entityOwnershipService;
 156     private static final ElanStatusMonitor elanStatusMonitor = ElanStatusMonitor.getInstance();
 157     static DataStoreJobCoordinator dataStoreJobCoordinator;
 158     private ElanOvsdbNodeListener elanOvsdbNodeListener;
 159
 160     private boolean generateIntBridgeMac = true;
 161
 162     public static void setDataStoreJobCoordinator(DataStoreJobCoordinator ds) {
 163         dataStoreJobCoordinator = ds;
 164     }
 165
 166     public void setBroker(DataBroker broker) {
 167         this.broker = broker;
 168     }
 169
 170     public static DataStoreJobCoordinator getDataStoreJobCoordinator() {
 171         if (dataStoreJobCoordinator == null) {
 172             dataStoreJobCoordinator = DataStoreJobCoordinator.getInstance();
 173         }
 174         return dataStoreJobCoordinator;
 175     }
 176
 177
 178     public ElanServiceProvider(RpcProviderRegistry rpcRegistry) {
 179         rpcProviderRegistry = rpcRegistry;
 180         elanStatusMonitor.registerMbean();
 181     }
 182
 183     // private ElanInterfaceStateChangeListener elanInterfaceEventListener;
 184     private ElanItmEventListener elanItmEventListener;
 185
 186     private static final Logger logger = LoggerFactory.getLogger(ElanServiceProvider.class);
 187
 188     @Override
 189     public void onSessionInitiated(ProviderContext session) {
 190         elanStatusMonitor.reportStatus("STARTING");
 191         try {
 192             createIdPool();
 193             getDataStoreJobCoordinator();
 194             broker = session.getSALService(DataBroker.class);
 195
 196             bridgeMgr = new ElanBridgeManager(broker);
 197             elanOvsdbNodeListener = new ElanOvsdbNodeListener(broker, generateIntBridgeMac, bridgeMgr, this);
 198             ElanUtils.setElanServiceProvider(this);
 199             elanForwardingEntriesHandler = ElanForwardingEntriesHandler.getElanForwardingEntriesHandler(this);
 200             elanInterfaceManager = ElanInterfaceManager.getElanInterfaceManager(this);
 201             elanInstanceManager = ElanInstanceManager.getElanInstanceManager(this);
 202             elanNodeListener  = ElanNodeListener.getElanNodeListener(this);
 203             elanPacketInHandler = ElanPacketInHandler.getElanPacketInHandler(this);
 204             elanSmacFlowEventListener = ElanSmacFlowEventListener.getElanSmacFlowEventListener(this);
 205             // Initialize statistics rpc provider for elan
 206             interfaceStatsService = ElanStatisticsImpl.getElanStatisticsService(this);
 207             rpcProviderRegistry.addRpcImplementation(ElanStatisticsService.class, interfaceStatsService);
 208             elanInterfaceStateChangeListener = ElanInterfaceStateChangeListener.getElanInterfaceStateChangeListener(this);
 209             infStateChangeClusteredListener = ElanInterfaceStateClusteredListener.getElanInterfaceStateClusteredListener(this);
 210             elanDpnInterfaceClusteredListener = ElanDpnInterfaceClusteredListener.getElanDpnInterfaceClusteredListener(this);
 211             ElanClusterUtils.setElanServiceProvider(this);
 212             this.elanL2GatewayProvider = new ElanL2GatewayProvider(this);
 213             elanInterfaceManager.registerListener(LogicalDatastoreType.CONFIGURATION,broker);
 214             elanInstanceManager.registerListener(LogicalDatastoreType.CONFIGURATION,broker);
 215             notificationService.registerNotificationListener(elanSmacFlowEventListener);
 216             notificationService.registerNotificationListener(elanPacketInHandler);
 217             elanStatusMonitor.reportStatus("OPERATIONAL");
 218         } catch (Exception e) {
 219             logger.error("Error initializing services", e);
 220             elanStatusMonitor.reportStatus("ERROR");
 221         }
 222     }
 223
 224
 225
 226     public void setIdManager(IdManagerService idManager) {
 227         this.idManager = idManager;
 228     }
 229
 230     public void setMdsalManager(IMdsalApiManager mdsalManager) {
 231         this.mdsalManager = mdsalManager;
 232     }
 233
 234     public void setInterfaceManager(IInterfaceManager interfaceManager) {
 235         this.interfaceManager = interfaceManager;
 236     }
 237
 238     public void setEntityOwnershipService(EntityOwnershipService entityOwnershipService) {
 239         this.entityOwnershipService = entityOwnershipService;
 240     }
 241
 242     public IInterfaceManager getInterfaceManager() {
 243         return this.interfaceManager;
 244     }
 245
 246     public IMdsalApiManager getMdsalManager() {
 247         return mdsalManager;
 248     }
 249
 250     public IITMProvider getItmManager() {
 251         return itmManager;
 252     }
 253
 254     public DataBroker getBroker() {
 255         return broker;
 256     }
 257
 258     public void setNotificationService(NotificationService notificationService) {
 259         this.notificationService = notificationService;
 260     }
 261
 262     public void setInterfaceManagerRpcService(OdlInterfaceRpcService interfaceManager) {
 263         this.interfaceManagerRpcService = interfaceManager;
 264     }
 265
 266     public OdlInterfaceRpcService getInterfaceManagerRpcService() {
 267         return interfaceManagerRpcService;
 268     }
 269
 270     public void setItmManager(IITMProvider itmManager) {
 271         this.itmManager = itmManager;
 272     }
 273
 274     public void setItmRpcService(ItmRpcService itmRpcService) {
 275         this.itmRpcService = itmRpcService;
 276     }
 277
 278     public ItmRpcService getItmRpcService() {
 279         return itmRpcService;
 280     }
 281
 282     public ElanInstanceManager getElanInstanceManager() {
 283         return elanInstanceManager;
 284     }
 285
 286     public ElanInterfaceManager getElanInterfaceManager() {
 287         return elanInterfaceManager;
 288     }
 289
 290     public EntityOwnershipService getEntityOwnershipService() {
 291         return entityOwnershipService;
 292     }
 293
 294     private void createIdPool() {
 295         CreateIdPoolInput createPool = new CreateIdPoolInputBuilder().setPoolName(ElanConstants.ELAN_ID_POOL_NAME)
 296             .setLow(ElanConstants.ELAN_ID_LOW_VALUE).setHigh(ElanConstants.ELAN_ID_HIGH_VALUE).build();
 297         try {
 298             Future<RpcResult<Void>> result = idManager.createIdPool(createPool);
 299             if ((result != null) && (result.get().isSuccessful())) {
 300                 logger.debug("ELAN Id Pool is created successfully");
 301             }
 302         } catch (Exception e) {
 303             logger.error("Failed to create ELAN Id pool {}", e);
 304         }
 305     }
 306
 307     @Override
 308     public boolean createElanInstance(String elanInstanceName, long macTimeout, String description) {
 309         ElanInstance existingElanInstance = elanInstanceManager.getElanInstanceByName(elanInstanceName);
 310         boolean isSuccess = true;
 311         if (existingElanInstance != null) {
 312             if (compareWithExistingElanInstance(existingElanInstance, macTimeout, description)) {
 313                 logger.debug("Elan Instance is already present in the Operational DS {}", existingElanInstance);
 314                 return true;
 315             } else {
 316                 ElanInstance updateElanInstance = new ElanInstanceBuilder().setElanInstanceName(elanInstanceName)
 317                     .setDescription(description).setMacTimeout(macTimeout)
 318                     .setKey(new ElanInstanceKey(elanInstanceName)).build();
 319                 MDSALUtil.syncWrite(broker, LogicalDatastoreType.CONFIGURATION,
 320                     ElanUtils.getElanInstanceConfigurationDataPath(elanInstanceName), updateElanInstance);
 321                 logger.debug("Updating the Elan Instance {} with MAC TIME-OUT %l and Description %s ",
 322                     updateElanInstance, macTimeout, description);
 323             }
 324         } else {
 325             ElanInstance elanInstance = new ElanInstanceBuilder().setElanInstanceName(elanInstanceName)
 326                 .setMacTimeout(macTimeout).setDescription(description).setKey(new ElanInstanceKey(elanInstanceName))
 327                 .build();
 328             MDSALUtil.syncWrite(broker, LogicalDatastoreType.CONFIGURATION,
 329                 ElanUtils.getElanInstanceConfigurationDataPath(elanInstanceName), elanInstance);
 330             logger.debug("Creating the new Elan Instance {}", elanInstance);
 331         }
 332         return isSuccess;
 333     }
 334
 335     public static boolean compareWithExistingElanInstance(ElanInstance existingElanInstance, long macTimeOut,
 336                                                           String description) {
 337         boolean isEqual = false;
 338         if (existingElanInstance.getMacTimeout() == macTimeOut
 339             && existingElanInstance.getDescription().equals(description)) {
 340             isEqual = true;
 341         }
 342         return isEqual;
 343     }
 344
 345     @Override
 346     public void updateElanInstance(String elanInstanceName, long newMacTimout, String newDescription) {
 347         createElanInstance(elanInstanceName, newMacTimout, newDescription);
 348     }
 349
 350     @Override
 351     public boolean deleteElanInstance(String elanInstanceName) {
 352         boolean isSuccess = false;
 353         ElanInstance existingElanInstance = elanInstanceManager.getElanInstanceByName(elanInstanceName);
 354         if (existingElanInstance == null) {
 355             logger.debug("Elan Instance is not present {}", existingElanInstance);
 356             return isSuccess;
 357         }
 358         logger.debug("Deletion of the existing Elan Instance {}", existingElanInstance);
 359         ElanUtils.delete(broker, LogicalDatastoreType.CONFIGURATION,
 360             ElanUtils.getElanInstanceConfigurationDataPath(elanInstanceName));
 361         isSuccess = true;
 362         return isSuccess;
 363     }
 364
 365     @Override
 366     public void addElanInterface(String elanInstanceName, String interfaceName, List<String> staticMacAddresses,
 367                                  String description) {
 368         ElanInstance existingElanInstance = elanInstanceManager.getElanInstanceByName(elanInstanceName);
 369         if (existingElanInstance != null) {
 370             ElanInterface elanInterface;
 371             if (staticMacAddresses == null) {
 372                 elanInterface = new ElanInterfaceBuilder().setElanInstanceName(elanInstanceName)
 373                     .setDescription(description).setName(interfaceName).setKey(new ElanInterfaceKey(interfaceName))
 374                     .build();
 375             } else {
 376                 elanInterface = new ElanInterfaceBuilder().setElanInstanceName(elanInstanceName)
 377                     .setDescription(description).setName(interfaceName)
 378                     .setStaticMacEntries(getPhysAddress(staticMacAddresses))
 379                     .setKey(new ElanInterfaceKey(interfaceName)).build();
 380             }
 381             MDSALUtil.syncWrite(broker, LogicalDatastoreType.CONFIGURATION,
 382                 ElanUtils.getElanInterfaceConfigurationDataPathId(interfaceName), elanInterface);
 383             logger.debug("Creating the new ELan Interface {}", elanInterface);
 384         }
 385
 386     }
 387
 388     @Override
 389     public void updateElanInterface(String elanInstanceName, String interfaceName,
 390                                     List<String> updatedStaticMacAddresses, String newDescription) {
 391         ElanInterface existingElanInterface = ElanUtils.getElanInterfaceByElanInterfaceName(interfaceName);
 392         if (existingElanInterface == null) {
 393             return;
 394         }
 395         List<PhysAddress> existingMacAddress = existingElanInterface.getStaticMacEntries();
 396         List<PhysAddress> updatedMacAddresses = getPhysAddress(updatedStaticMacAddresses);
 397         List<PhysAddress> updatedPhysAddress = getUpdatedPhyAddress(existingMacAddress, updatedMacAddresses);
 398         if (updatedPhysAddress.size() > 0) {
 399             logger.debug("updating the ElanInterface with new Mac Entries {}", updatedStaticMacAddresses);
 400             ElanInterface elanInterface = new ElanInterfaceBuilder().setElanInstanceName(elanInstanceName)
 401                 .setName(interfaceName).setDescription(newDescription).setStaticMacEntries(updatedPhysAddress)
 402                 .setKey(new ElanInterfaceKey(interfaceName)).build();
 403             MDSALUtil.syncWrite(broker, LogicalDatastoreType.CONFIGURATION,
 404                 ElanUtils.getElanInterfaceConfigurationDataPathId(interfaceName), elanInterface);
 405         }
 406     }
 407
 408     @Override
 409     public void deleteElanInterface(String elanInstanceName, String interfaceName) {
 410         ElanInterface existingElanInterface = ElanUtils.getElanInterfaceByElanInterfaceName(interfaceName);
 411         if (existingElanInterface != null) {
 412             ElanUtils.delete(broker, LogicalDatastoreType.CONFIGURATION,
 413                 ElanUtils.getElanInterfaceConfigurationDataPathId(interfaceName));
 414             logger.debug("deleting the Elan Interface {}", existingElanInterface);
 415         }
 416     }
 417
 418     @Override
 419     public void addStaticMacAddress(String elanInstanceName, String interfaceName, String macAddress) {
 420         ElanInterface existingElanInterface = ElanUtils.getElanInterfaceByElanInterfaceName(interfaceName);
 421         PhysAddress updateStaticMacAddress = new PhysAddress(macAddress);
 422         if (existingElanInterface != null) {
 423             List<PhysAddress> existingMacAddress = existingElanInterface.getStaticMacEntries();
 424             if (existingMacAddress.contains(updateStaticMacAddress)) {
 425                 return;
 426             }
 427             existingMacAddress.add(updateStaticMacAddress);
 428             ElanInterface elanInterface = new ElanInterfaceBuilder().setElanInstanceName(elanInstanceName)
 429                 .setName(interfaceName).setStaticMacEntries(existingMacAddress)
 430                 .setDescription(existingElanInterface.getDescription()).setKey(new ElanInterfaceKey(interfaceName))
 431                 .build();
 432             MDSALUtil.syncWrite(broker, LogicalDatastoreType.CONFIGURATION,
 433                 ElanUtils.getElanInterfaceConfigurationDataPathId(interfaceName), elanInterface);
 434         }
 435     }
 436
 437     @Override
 438     public void deleteStaticMacAddress(String elanInstanceName, String interfaceName, String macAddress)
 439         throws MacNotFoundException {
 440         ElanInterface existingElanInterface = ElanUtils.getElanInterfaceByElanInterfaceName(interfaceName);
 441         PhysAddress physAddress = new PhysAddress(macAddress);
 442         if (existingElanInterface == null) {
 443             return;
 444         }
 445         List<PhysAddress> existingMacAddress = existingElanInterface.getStaticMacEntries();
 446         if (existingMacAddress.contains(physAddress)) {
 447             existingMacAddress.remove(physAddress);
 448             ElanInterface elanInterface = new ElanInterfaceBuilder().setElanInstanceName(elanInstanceName)
 449                 .setName(interfaceName).setStaticMacEntries(existingMacAddress)
 450                 .setDescription(existingElanInterface.getDescription()).setKey(new ElanInterfaceKey(interfaceName))
 451                 .build();
 452             MDSALUtil.syncWrite(broker, LogicalDatastoreType.CONFIGURATION,
 453                 ElanUtils.getElanInterfaceConfigurationDataPathId(interfaceName), elanInterface);
 454         } else {
 455             throw new MacNotFoundException("Mac Not Found Exception");
 456         }
 457     }
 458
 459     @Override
 460     public Collection<MacEntry> getElanMacTable(String elanInstanceName) {
 461         Elan elanInfo = ElanUtils.getElanByName(elanInstanceName);
 462         List<MacEntry> macAddress = new ArrayList<>();
 463         if (elanInfo == null) {
 464             return macAddress;
 465         }
 466         List<String> elanInterfaces = elanInfo.getElanInterfaces();
 467         if (elanInterfaces != null && elanInterfaces.size() > 0) {
 468             for (String elanInterface : elanInterfaces) {
 469                 ElanInterfaceMac elanInterfaceMac = ElanUtils.getElanInterfaceMacByInterfaceName(elanInterface);
 470                 if (elanInterfaceMac != null && elanInterfaceMac.getMacEntry() != null
 471                     && elanInterfaceMac.getMacEntry().size() > 0) {
 472                     macAddress.addAll(elanInterfaceMac.getMacEntry());
 473                 }
 474             }
 475         }
 476         return macAddress;
 477     }
 478
 479     @Override
 480     public void flushMACTable(String elanInstanceName) {
 481         Elan elanInfo = ElanUtils.getElanByName(elanInstanceName);
 482         if (elanInfo == null) {
 483             return;
 484         }
 485         List<String> elanInterfaces = elanInfo.getElanInterfaces();
 486         if (elanInterfaces == null || elanInterfaces.isEmpty()) {
 487             return;
 488         }
 489         for (String elanInterface : elanInterfaces) {
 490             ElanInterfaceMac elanInterfaceMac = ElanUtils.getElanInterfaceMacByInterfaceName(elanInterface);
 491             if (elanInterfaceMac.getMacEntry() != null && elanInterfaceMac.getMacEntry().size() > 0) {
 492                 List<MacEntry> macEntries = elanInterfaceMac.getMacEntry();
 493                 for (MacEntry macEntry : macEntries) {
 494                     try {
 495                         deleteStaticMacAddress(elanInstanceName, elanInterface, macEntry.getMacAddress().getValue());
 496                     } catch (MacNotFoundException e) {
 497                         logger.error("Mac Not Found Exception {}", e);
 498                         e.printStackTrace();
 499                     }
 500                 }
 501             }
 502         }
 503
 504     }
 505
 506     @Override
 507     public void close() throws Exception {
 508         this.elanInstanceManager.close();
 509         this.elanL2GatewayProvider.close();
 510     }
 511
 512     public static List<PhysAddress> getPhysAddress(List<String> macAddress) {
 513         List<PhysAddress> physAddresses = new ArrayList<>();
 514         for (String mac : macAddress) {
 515             physAddresses.add(new PhysAddress(mac));
 516         }
 517         return physAddresses;
 518     }
 519
 520     public List<PhysAddress> getUpdatedPhyAddress(List<PhysAddress> originalAddresses,
 521                                                   List<PhysAddress> updatePhyAddresses) {
 522         if (updatePhyAddresses != null && !updatePhyAddresses.isEmpty()) {
 523             List<PhysAddress> existingClonedPhyAddress = new ArrayList<>();
 524             if (originalAddresses != null && !originalAddresses.isEmpty()) {
 525                 existingClonedPhyAddress.addAll(0, originalAddresses);
 526                 originalAddresses.removeAll(updatePhyAddresses);
 527                 updatePhyAddresses.removeAll(existingClonedPhyAddress);
 528             }
 529         }
 530         return updatePhyAddresses;
 531     }
 532
 533     @Override
 534     public ElanInstance getElanInstance(String elanName) {
 535         return ElanUtils.getElanInstanceByName(elanName);
 536     }
 537
 538     @Override
 539     public List<ElanInstance> getElanInstances() {
 540         List<ElanInstance> elanList = new ArrayList<>();
 541         InstanceIdentifier<ElanInstances> elanInstancesIdentifier = InstanceIdentifier.builder(ElanInstances.class)
 542             .build();
 543         Optional<ElanInstances> elansOptional = ElanUtils.read(broker, LogicalDatastoreType.CONFIGURATION,
 544             elanInstancesIdentifier);
 545         if (elansOptional.isPresent()) {
 546             elanList.addAll(elansOptional.get().getElanInstance());
 547         }
 548         return elanList;
 549     }
 550
 551     @Override
 552     public List<String> getElanInterfaces(String elanInstanceName) {
 553         List<String> elanInterfaces = new ArrayList<>();
 554         InstanceIdentifier<ElanInterfaces> elanInterfacesIdentifier = InstanceIdentifier.builder(ElanInterfaces.class)
 555             .build();
 556         Optional<ElanInterfaces> elanInterfacesOptional = ElanUtils.read(broker, LogicalDatastoreType.CONFIGURATION,
 557             elanInterfacesIdentifier);
 558         if (!elanInterfacesOptional.isPresent()) {
 559             return elanInterfaces;
 560         }
 561         List<ElanInterface> elanInterfaceList = elanInterfacesOptional.get().getElanInterface();
 562         for (ElanInterface elanInterface : elanInterfaceList) {
 563             if (elanInterface.getElanInstanceName().equals(elanInstanceName)) {
 564                 elanInterfaces.add(elanInterface.getName());
 565             }
 566         }
 567         return elanInterfaces;
 568     }
 569
 570     public boolean getGenerateIntBridgeMac() {
 571         return generateIntBridgeMac;
 572     }
 573
 574     public void setGenerateIntBridgeMac(boolean generateIntBridgeMac) {
 575         this.generateIntBridgeMac = generateIntBridgeMac;
 576     }
 577
 578     @Override
 579     public void createExternalElanNetworks(Node node) {
 580         handleExternalElanNetworks(node, new BiFunction<ElanInstance, String, Void>() {
 581
 582             @Override
 583             public Void apply(ElanInstance elanInstance, String interfaceName) {
 584                 createExternalElanNetwork(elanInstance, interfaceName);
 585                 return null;
 586             }
 587         });
 588     }
 589
 590     @Override
 591     public void createExternalElanNetwork(ElanInstance elanInstance) {
 592         handleExternalElanNetwork(elanInstance, new BiFunction<ElanInstance, String, Void>() {
 593
 594             @Override
 595             public Void apply(ElanInstance elanInstance, String interfaceName) {
 596                 createExternalElanNetwork(elanInstance, interfaceName);
 597                 return null;
 598             }
 599
 600         });
 601     }
 602
 603     @Override
 604     public void deleteExternalElanNetworks(Node node) {
 605         handleExternalElanNetworks(node, new BiFunction<ElanInstance, String, Void>() {
 606
 607             @Override
 608             public Void apply(ElanInstance elanInstance, String interfaceName) {
 609                 deleteExternalElanNetwork(elanInstance, interfaceName);
 610                 return null;
 611             }
 612         });
 613     }
 614
 615     @Override
 616     public void deleteExternalElanNetwork(ElanInstance elanInstance) {
 617         handleExternalElanNetwork(elanInstance, new BiFunction<ElanInstance, String, Void>() {
 618
 619             @Override
 620             public Void apply(ElanInstance elanInstance, String interfaceName) {
 621                 deleteExternalElanNetwork(elanInstance, interfaceName);
 622                 return null;
 623             }
 624
 625         });
 626     }
 627
 628     @Override
 629     public void updateExternalElanNetworks(Node origNode, Node updatedNode) {
 630         if (!bridgeMgr.isIntegrationBridge(updatedNode)) {
 631             return;
 632         }
 633
 634         List<ElanInstance> elanInstances = getElanInstances();
 635         if (elanInstances == null || elanInstances.isEmpty()) {
 636             logger.trace("No ELAN instances found");
 637             return;
 638         }
 639
 640         Optional<Map<String, String>> origProviderMapOpt = bridgeMgr.getOpenvswitchOtherConfigMap(origNode,
 641                 ElanBridgeManager.PROVIDER_MAPPINGS_KEY);
 642         Optional<Map<String, String>> updatedProviderMapOpt = bridgeMgr.getOpenvswitchOtherConfigMap(updatedNode,
 643                 ElanBridgeManager.PROVIDER_MAPPINGS_KEY);
 644         Map<String, String> origProviderMappping = origProviderMapOpt.or(Collections.emptyMap());
 645         Map<String, String> updatedProviderMappping = updatedProviderMapOpt.or(Collections.emptyMap());
 646
 647         for (ElanInstance elanInstance : elanInstances) {
 648             String physicalNetworkName = elanInstance.getPhysicalNetworkName();
 649             if (physicalNetworkName != null) {
 650                 String origPortName = origProviderMappping.get(physicalNetworkName);
 651                 String updatedPortName = updatedProviderMappping.get(physicalNetworkName);
 652                 if (origPortName != null && !origPortName.equals(updatedPortName)) {
 653                     deleteExternalElanNetwork(elanInstance, getExtInterfaceName(origNode, physicalNetworkName));
 654                 }
 655                 if (updatedPortName != null && !updatedPortName.equals(origPortName)) {
 656                     createExternalElanNetwork(elanInstance, getExtInterfaceName(updatedNode, updatedPortName));
 657                 }
 658             }
 659         }
 660     }
 661
 662     private void createExternalElanNetwork(ElanInstance elanInstance, String interfaceName) {
 663         if (interfaceName == null) {
 664             logger.trace("No physial interface is attached to {}", elanInstance.getPhysicalNetworkName());
 665             return;
 666         }
 667
 668         String elanInterfaceName = createIetfInterfaces(elanInstance, interfaceName);
 669         addElanInterface(elanInstance.getElanInstanceName(), elanInterfaceName, null, null);
 670     }
 671
 672     private void deleteExternalElanNetwork(ElanInstance elanInstance, String interfaceName) {
 673         if (interfaceName == null) {
 674             logger.trace("No physial interface is attached to {}", elanInstance.getPhysicalNetworkName());
 675             return;
 676         }
 677
 678         String elanInstanceName = elanInstance.getElanInstanceName();
 679         for (String elanInterface : getExternalElanInterfaces(elanInstanceName)) {
 680             if (elanInterface.startsWith(interfaceName)) {
 681                 deleteIetfInterface(elanInterface);
 682                 deleteElanInterface(elanInstanceName, elanInterface);
 683             }
 684         }
 685     }
 686
 687     @Override
 688     public Collection<String> getExternalElanInterfaces(String elanInstanceName) {
 689         List<String> elanInterfaces = getElanInterfaces(elanInstanceName);
 690         if (elanInterfaces == null || elanInterfaces.isEmpty()) {
 691             logger.trace("No ELAN interfaces defined for {}", elanInstanceName);
 692             return Collections.emptySet();
 693         }
 694
 695         Set<String> externalElanInterfaces = new HashSet<>();
 696         for (String elanInterface : elanInterfaces) {
 697             if (ElanUtils.isExternal(elanInterface)) {
 698                 externalElanInterfaces.add(elanInterface);
 699             }
 700         }
 701
 702         return externalElanInterfaces;
 703     }
 704
 705     /**
 706      * Create ietf-interfaces based on the ELAN segment type.<br>
 707      * For segment type flat - create transparent interface pointing to the
 708      * patch-port attached to the physnet port.<br>
 709      * For segment type vlan - create trunk interface pointing to the patch-port
 710      * attached to the physnet port + trunk-member interface pointing to the
 711      * trunk interface.
 712      *
 713      * @param elanInstance
 714      *            ELAN instance
 715      * @param parentRef
 716      *            parent interface name
 717      * @return the name of the interface to be added to the ELAN instance i.e.
 718      *         trunk-member name for vlan network and transparent for flat
 719      *         network or null otherwise
 720      */
 721     private String createIetfInterfaces(ElanInstance elanInstance, String parentRef) {
 722         String interfaceName = null;
 723
 724         try {
 725             if (ElanUtils.isFlat(elanInstance)) {
 726                 interfaceName = parentRef + IfmConstants.OF_URI_SEPARATOR + "flat";
 727                 interfaceManager.createVLANInterface(interfaceName, parentRef, null, null, null,
 728                         IfL2vlan.L2vlanMode.Transparent, true);
 729             } else if (ElanUtils.isVlan(elanInstance)) {
 730                 String trunkName = parentRef + IfmConstants.OF_URI_SEPARATOR + "trunk";
 731                 interfaceManager.createVLANInterface(interfaceName, parentRef, null, null, null,
 732                         IfL2vlan.L2vlanMode.Trunk, true);
 733                 Long segmentationId = elanInstance.getSegmentationId();
 734                 interfaceName = parentRef + IfmConstants.OF_URI_SEPARATOR + segmentationId;
 735                 interfaceManager.createVLANInterface(interfaceName, trunkName, null, segmentationId.intValue(), null,
 736                         IfL2vlan.L2vlanMode.TrunkMember, true);
 737             }
 738         } catch (InterfaceAlreadyExistsException e) {
 739             logger.trace("Interface {} was already created", interfaceName);
 740         }
 741
 742         return interfaceName;
 743     }
 744
 745     private void deleteIetfInterface(String interfaceName) {
 746         InterfaceKey interfaceKey = new InterfaceKey(interfaceName);
 747         InstanceIdentifier<Interface> interfaceInstanceIdentifier = InstanceIdentifier
 748                 .builder(Interfaces.class).child(Interface.class, interfaceKey).build();
 749         MDSALUtil.syncDelete(broker, LogicalDatastoreType.CONFIGURATION, interfaceInstanceIdentifier);
 750         logger.debug("Deleting IETF interface {}", interfaceName);
 751     }
 752
 753     private String getExtInterfaceName(Node node, String physicalNetworkName) {
 754         if (physicalNetworkName == null) {
 755             return null;
 756         }
 757
 758         String providerMappingValue = bridgeMgr.getProviderMappingValue(node, physicalNetworkName);
 759         if (providerMappingValue == null) {
 760             logger.trace("No provider mapping found for physicalNetworkName {} node {}", physicalNetworkName,
 761                     node.getNodeId().getValue());
 762             return null;
 763         }
 764
 765         return bridgeMgr.southboundUtils.getDataPathId(node) + IfmConstants.OF_URI_SEPARATOR
 766                 + bridgeMgr.getIntBridgePortNameFor(node, providerMappingValue);
 767     }
 768
 769     private void handleExternalElanNetworks(Node node, BiFunction<ElanInstance, String, Void> function) {
 770         if (!bridgeMgr.isIntegrationBridge(node)) {
 771             return;
 772         }
 773
 774         List<ElanInstance> elanInstances = getElanInstances();
 775         if (elanInstances == null || elanInstances.isEmpty()) {
 776             logger.trace("No ELAN instances found");
 777             return;
 778         }
 779
 780         for (ElanInstance elanInstance : elanInstances) {
 781             String interfaceName = getExtInterfaceName(node, elanInstance.getPhysicalNetworkName());
 782             if (interfaceName != null) {
 783                 function.apply(elanInstance, interfaceName);
 784             }
 785         }
 786     }
 787
 788     private void handleExternalElanNetwork(ElanInstance elanInstance, BiFunction<ElanInstance, String, Void> function) {
 789         String elanInstanceName = elanInstance.getElanInstanceName();
 790         if (elanInstance.getPhysicalNetworkName() == null) {
 791             logger.trace("No physical network attached to {}", elanInstanceName);
 792             return;
 793         }
 794
 795         List<Node> nodes = bridgeMgr.southboundUtils.getOvsdbNodes();
 796         if (nodes == null || nodes.isEmpty()) {
 797             logger.trace("No OVS nodes found while creating external network for ELAN {}",
 798                     elanInstance.getElanInstanceName());
 799             return;
 800         }
 801
 802         for (Node node : nodes) {
 803             if (bridgeMgr.isIntegrationBridge(node)) {
 804                 String interfaceName = getExtInterfaceName(node, elanInstance.getPhysicalNetworkName());
 805                 function.apply(elanInstance, interfaceName);
 806             }
 807         }
 808     }
 809
 810 }