elanmanager/elanmanager-impl/src/main/java/org/opendaylight/vpnservice/elan/utils/ElanUtils.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 package org.opendaylight.vpnservice.elan.utils;
   9
  10 import com.google.common.base.Optional;
  11 import com.google.common.util.concurrent.FutureCallback;
  12 import com.google.common.util.concurrent.Futures;
  13 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  14 import org.opendaylight.controller.md.sal.binding.api.ReadOnlyTransaction;
  15 import org.opendaylight.controller.md.sal.binding.api.WriteTransaction;
  16 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  17 import org.opendaylight.vpnservice.elan.internal.ElanInstanceManager;
  18 import com.google.common.util.concurrent.CheckedFuture;
  19 import org.opendaylight.vpnservice.elan.internal.ElanServiceProvider;
  20 import org.opendaylight.vpnservice.interfacemgr.globals.InterfaceInfo;
  21 import org.opendaylight.vpnservice.interfacemgr.globals.InterfaceServiceUtil;
  22 import org.opendaylight.vpnservice.itm.api.IITMProvider;
  23 import org.opendaylight.vpnservice.mdsalutil.*;
  24 import org.opendaylight.controller.md.sal.common.api.data.TransactionCommitFailedException;
  25 import org.opendaylight.vpnservice.mdsalutil.interfaces.IMdsalApiManager;
  26 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.PhysAddress;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.OutputActionCase;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.PushVlanActionCase;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.SetFieldCase;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.list.Action;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.instruction.list.Instruction;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeId;
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.Nodes;
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node;
  35 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.NodeKey;
  36 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.elan.rev150602.*;
  37 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.elan.rev150602.elan._interface.forwarding.entries.ElanInterfaceMac;
  38 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.elan.rev150602.elan._interface.forwarding.entries.ElanInterfaceMacKey;
  39 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.elan.rev150602.elan.dpn.interfaces.ElanDpnInterfacesList;
  40 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.elan.rev150602.elan.dpn.interfaces.ElanDpnInterfacesListKey;
  41 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.elan.rev150602.elan.dpn.interfaces.elan.dpn.interfaces.list.DpnInterfaces;
  42 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.elan.rev150602.elan.dpn.interfaces.elan.dpn.interfaces.list.DpnInterfacesKey;
  43 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.elan.rev150602.elan.forwarding.tables.MacTable;
  44 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.elan.rev150602.elan.forwarding.tables.MacTableBuilder;
  45 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.elan.rev150602.elan.forwarding.tables.MacTableKey;
  46 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.elan.rev150602.elan.instances.ElanInstance;
  47 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.elan.rev150602.elan.instances.ElanInstanceBuilder;
  48 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.elan.rev150602.elan.instances.ElanInstanceKey;
  49 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.elan.rev150602.elan.interfaces.ElanInterface;
  50 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.elan.rev150602.elan.interfaces.ElanInterfaceKey;
  51 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.elan.rev150602.elan.state.Elan;
  52 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.elan.rev150602.elan.state.ElanBuilder;
  53 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.elan.rev150602.elan.state.ElanKey;
  54 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.elan.rev150602.elan.tag.name.map.ElanTagName;
  55 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.elan.rev150602.elan.tag.name.map.ElanTagNameBuilder;
  56 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.elan.rev150602.elan.tag.name.map.ElanTagNameKey;
  57 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.elan.rev150602.forwarding.entries.MacEntry;
  58 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.elan.rev150602.forwarding.entries.MacEntryKey;
  59 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.idmanager.rev150403.*;
  60 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.rpcs.rev151003.GetEgressActionsForInterfaceInputBuilder;
  61 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.rpcs.rev151003.GetEgressActionsForInterfaceOutput;
  62 import org.opendaylight.yangtools.yang.binding.DataObject;
  63 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  64 import org.opendaylight.yangtools.yang.common.RpcResult;
  65 import org.slf4j.Logger;
  66 import org.slf4j.LoggerFactory;
  67
  68 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.meta.rev151007.IfIndexesInterfaceMap;
  69 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.meta.rev151007._if.indexes._interface.map.IfIndexInterface;
  70 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.meta.rev151007._if.indexes._interface.map.IfIndexInterfaceKey;
  71 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.servicebinding.rev151015.service.bindings.ServicesInfo;
  72 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.servicebinding.rev151015.ServiceBindings;
  73 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.servicebinding.rev151015.ServiceTypeFlowBased;
  74 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.servicebinding.rev151015.StypeOpenflow;
  75 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.servicebinding.rev151015.StypeOpenflowBuilder;
  76 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.servicebinding.rev151015.service.bindings.ServicesInfoKey;
  77 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.servicebinding.rev151015.service.bindings.services.info.BoundServices;
  78 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.servicebinding.rev151015.service.bindings.services.info.BoundServicesBuilder;
  79 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.servicebinding.rev151015.service.bindings.services.info.BoundServicesKey;
  80
  81
  82 import java.math.BigInteger;
  83 import java.util.ArrayList;
  84 import java.util.List;
  85 import java.util.concurrent.ExecutionException;
  86 import java.util.concurrent.Future;
  87
  88 public class ElanUtils {
  89
  90     private static ElanServiceProvider elanServiceProvider;
  91     private static final Logger logger = LoggerFactory.getLogger(ElanUtils.class);
  92
  93     public static final FutureCallback<Void> DEFAULT_CALLBACK =
  94             new FutureCallback<Void>() {
  95                 public void onSuccess(Void result) {
  96                     logger.debug("Success in Datastore operation");
  97                 }
  98
  99                 public void onFailure(Throwable error) {
 100                     logger.error("Error in Datastore operation", error);
 101                 };
 102             };
 103
 104     public static Integer getUniqueId(IdManagerService idManager, String poolName, String idKey) {
 105         AllocateIdInput getIdInput = new AllocateIdInputBuilder()
 106                                            .setPoolName(poolName)
 107                                            .setIdKey(idKey).build();
 108
 109         try {
 110             Future<RpcResult<AllocateIdOutput>> result = idManager.allocateId(getIdInput);
 111             RpcResult<AllocateIdOutput> rpcResult = result.get();
 112             if(rpcResult.isSuccessful()) {
 113                 return rpcResult.getResult().getIdValue().intValue();
 114             } else {
 115                 logger.warn("RPC Call to Allocate Id returned with Errors {}", rpcResult.getErrors());
 116             }
 117         } catch (InterruptedException | ExecutionException e) {
 118             logger.warn("Exception when Allocating Id",e);
 119         }
 120         return 0;
 121     }
 122
 123     public static void setElanServiceProvider(ElanServiceProvider elanService) {
 124         elanServiceProvider = elanService;
 125     }
 126     public static void releaseId(IdManagerService idManager, String poolName, String idKey) {
 127         ReleaseIdInput releaseIdInput = new ReleaseIdInputBuilder().setPoolName(poolName).setIdKey(idKey).build();
 128         Future<RpcResult<Void>> result = idManager.releaseId(releaseIdInput);
 129     }
 130
 131     public static <T extends DataObject> Optional<T> read(DataBroker broker, LogicalDatastoreType datastoreType,
 132             InstanceIdentifier<T> path) {
 133
 134         ReadOnlyTransaction tx = broker.newReadOnlyTransaction();
 135
 136         Optional<T> result = Optional.absent();
 137         try {
 138             result = tx.read(datastoreType, path).get();
 139         } catch (Exception e) {
 140             throw new RuntimeException(e);
 141         }
 142
 143         return result;
 144     }
 145
 146
 147     public static <T extends DataObject> void delete(DataBroker broker, LogicalDatastoreType datastoreType, InstanceIdentifier<T> path) {
 148         WriteTransaction tx = broker.newWriteOnlyTransaction();
 149         tx.delete(datastoreType, path);
 150         Futures.addCallback(tx.submit(), DEFAULT_CALLBACK);
 151     }
 152
 153     public static InstanceIdentifier<ElanInstance> getElanInstanceIdentifier(String elanName) {
 154         return InstanceIdentifier.builder(ElanInstances.class)
 155                 .child(ElanInstance.class, new ElanInstanceKey(elanName)).build();
 156     }
 157
 158     public static InstanceIdentifier<ElanInstance> getElanInstanceIdentifier() {
 159         return InstanceIdentifier.builder(ElanInstances.class).child(ElanInstance.class).build();
 160     }
 161
 162     //elan-instances config container
 163     public static ElanInstance getElanInstanceByName(String elanInstanceName) {
 164         DataBroker broker = elanServiceProvider.getBroker();
 165         InstanceIdentifier<ElanInstance> elanIdentifierId = getElanInstanceConfigurationDataPath(elanInstanceName);
 166         Optional<ElanInstance> elanInstance = read(broker, LogicalDatastoreType.CONFIGURATION, elanIdentifierId);
 167         if(elanInstance.isPresent()) {
 168             return elanInstance.get();
 169         }
 170         return null;
 171     }
 172
 173     public static InstanceIdentifier<ElanInstance> getElanInstanceConfigurationDataPath(String elanInstanceName) {
 174         return InstanceIdentifier.builder(ElanInstances.class).child(ElanInstance.class, new ElanInstanceKey(elanInstanceName)).build();
 175     }
 176
 177     //elan-interfaces Config Container
 178     public static ElanInterface getElanInterfaceByElanInterfaceName(String elanInterfaceName) {
 179         DataBroker broker = elanServiceProvider.getBroker();
 180         InstanceIdentifier<ElanInterface> elanInterfaceId = getElanInterfaceConfigurationDataPathId(elanInterfaceName);
 181         Optional<ElanInterface> existingElanInterface = read(broker, LogicalDatastoreType.CONFIGURATION, elanInterfaceId);
 182         if(existingElanInterface.isPresent()) {
 183             return existingElanInterface.get();
 184         }
 185         return null;
 186     }
 187
 188     public static InstanceIdentifier<ElanInterface> getElanInterfaceConfigurationDataPathId(String interfaceName) {
 189         return InstanceIdentifier.builder(ElanInterfaces.class).child(ElanInterface.class,
 190                 new ElanInterfaceKey(interfaceName)).build();
 191     }
 192
 193     //elan-state Operational container
 194     public static Elan getElanByName(String elanInstanceName) {
 195         DataBroker broker = elanServiceProvider.getBroker();
 196         InstanceIdentifier<Elan> elanIdentifier = getElanInstanceOperationalDataPath(elanInstanceName);
 197         Optional<Elan> elanInstance = read(broker, LogicalDatastoreType.OPERATIONAL, elanIdentifier);
 198         if(elanInstance.isPresent()) {
 199             return elanInstance.get();
 200         }
 201         return null;
 202     }
 203
 204     public static InstanceIdentifier<Elan> getElanInstanceOperationalDataPath(String elanInstanceName) {
 205         return InstanceIdentifier.builder(ElanState.class).child(Elan.class, new ElanKey(elanInstanceName)).build();
 206     }
 207
 208     // grouping of forwarding-entries
 209     public static MacEntry getInterfaceMacEntriesOperationalDataPath(String interfaceName, PhysAddress physAddress) {
 210         DataBroker broker = elanServiceProvider.getBroker();
 211         InstanceIdentifier<MacEntry> existingMacEntryId = getInterfaceMacEntriesIdentifierOperationalDataPath(interfaceName, physAddress);
 212         Optional<MacEntry> existingInterfaceMacEntry = read(broker, LogicalDatastoreType.OPERATIONAL, existingMacEntryId);
 213         if(existingInterfaceMacEntry.isPresent()) {
 214             return existingInterfaceMacEntry.get();
 215         }
 216         return null;
 217     }
 218
 219     public static MacEntry getInterfaceMacEntriesOperationalDataPathFromId(InstanceIdentifier identifier) {
 220         DataBroker broker = elanServiceProvider.getBroker();
 221         Optional<MacEntry> existingInterfaceMacEntry = read(broker, LogicalDatastoreType.OPERATIONAL, identifier);
 222         if(existingInterfaceMacEntry.isPresent()) {
 223             return existingInterfaceMacEntry.get();
 224         }
 225         return null;
 226     }
 227
 228     public static InstanceIdentifier<MacEntry> getInterfaceMacEntriesIdentifierOperationalDataPath(String interfaceName, PhysAddress physAddress) {
 229         return InstanceIdentifier.builder(ElanInterfaceForwardingEntries.class).child(ElanInterfaceMac.class,
 230                 new ElanInterfaceMacKey(interfaceName)).child(MacEntry.class, new MacEntryKey(physAddress)).build();
 231
 232     }
 233
 234     //elan-forwarding-tables Operational container
 235     public static MacEntry getMacTableByElanName(String elanName, PhysAddress physAddress) {
 236         DataBroker broker = elanServiceProvider.getBroker();
 237         InstanceIdentifier<MacEntry> macId =  getMacEntryOperationalDataPath(elanName, physAddress);
 238         Optional<MacEntry> existingElanMacEntry = read(broker, LogicalDatastoreType.OPERATIONAL, macId);
 239         if(existingElanMacEntry.isPresent()) {
 240             return existingElanMacEntry.get();
 241         }
 242         return null;
 243     }
 244
 245
 246     public static MacEntry getMacEntryFromElanMacId(InstanceIdentifier identifier) {
 247         DataBroker broker = elanServiceProvider.getBroker();
 248         Optional<MacEntry> existingInterfaceMacEntry = read(broker, LogicalDatastoreType.OPERATIONAL, identifier);
 249         if(existingInterfaceMacEntry.isPresent()) {
 250             return existingInterfaceMacEntry.get();
 251         }
 252         return null;
 253     }
 254
 255     public static InstanceIdentifier<MacEntry> getMacEntryOperationalDataPath(String elanName, PhysAddress physAddress) {
 256         return InstanceIdentifier.builder(ElanForwardingTables.class).child(MacTable.class,
 257                 new MacTableKey(elanName)).child(MacEntry.class, new MacEntryKey(physAddress)).build();
 258     }
 259
 260     public static InstanceIdentifier<MacTable> getElanMacTableOperationalDataPath(String elanName) {
 261         return InstanceIdentifier.builder(ElanForwardingTables.class).child(MacTable.class,
 262                 new MacTableKey(elanName)).build();
 263     }
 264
 265     //elan-interface-forwarding-entries Operational container
 266     public static ElanInterfaceMac getElanInterfaceMacByInterfaceName(String interfaceName) {
 267         DataBroker broker = elanServiceProvider.getBroker();
 268         InstanceIdentifier<ElanInterfaceMac> elanInterfaceId = getElanInterfaceMacEntriesOperationalDataPath(interfaceName);
 269         Optional<ElanInterfaceMac> existingElanInterface = read(broker, LogicalDatastoreType.OPERATIONAL, elanInterfaceId);
 270         if(existingElanInterface.isPresent()) {
 271             return existingElanInterface.get();
 272         }
 273         return null;
 274     }
 275
 276     public static InstanceIdentifier<ElanInterfaceMac> getElanInterfaceMacEntriesOperationalDataPath(String interfaceName) {
 277         return InstanceIdentifier.builder(ElanInterfaceForwardingEntries.class).child(ElanInterfaceMac.class,
 278                 new ElanInterfaceMacKey(interfaceName)).build();
 279     }
 280
 281     //elan-dpn-interfaces Operational Container
 282     public static DpnInterfaces getElanInterfaceInfoByElanDpn(String elanInstanceName, BigInteger dpId) {
 283         DataBroker broker = elanServiceProvider.getBroker();
 284         InstanceIdentifier<DpnInterfaces> elanDpnInterfacesId = getElanDpnInterfaceOperationalDataPath(elanInstanceName, dpId);
 285         Optional<DpnInterfaces> elanDpnInterfaces = read(broker, LogicalDatastoreType.OPERATIONAL, elanDpnInterfacesId);
 286         if(elanDpnInterfaces.isPresent()) {
 287             return elanDpnInterfaces.get();
 288         }
 289         return null;
 290     }
 291
 292     public static InstanceIdentifier<DpnInterfaces> getElanDpnInterfaceOperationalDataPath(String elanInstanceName, BigInteger dpId) {
 293         return InstanceIdentifier.builder(ElanDpnInterfaces.class).child(ElanDpnInterfacesList.class,
 294                 new ElanDpnInterfacesListKey(elanInstanceName)).child(DpnInterfaces.class, new DpnInterfacesKey(dpId)).build();
 295     }
 296
 297     //elan-tag-name-map Operational Container
 298     public static ElanTagName getElanInfoByElanTag(long elanTag) {
 299         DataBroker broker = elanServiceProvider.getBroker();
 300         InstanceIdentifier<ElanTagName> elanId = getElanInfoEntriesOperationalDataPath(elanTag);
 301         Optional<ElanTagName> existingElanInfo = ElanUtils.read(broker, LogicalDatastoreType.OPERATIONAL, elanId);
 302         if(existingElanInfo.isPresent()) {
 303             return existingElanInfo.get();
 304         }
 305         return null;
 306     }
 307
 308     public static InstanceIdentifier<ElanTagName> getElanInfoEntriesOperationalDataPath(long elanTag) {
 309         return InstanceIdentifier.builder(ElanTagNameMap.class).child(ElanTagName.class,
 310                 new ElanTagNameKey(elanTag)).build();
 311     }
 312
 313     // interface-index-tag operational container
 314     public static IfIndexInterface getInterfaceInfoByInterfaceTag(long interfaceTag) {
 315         DataBroker broker = elanServiceProvider.getBroker();
 316         InstanceIdentifier<IfIndexInterface> interfaceId = getInterfaceInfoEntriesOperationalDataPath(interfaceTag);
 317         Optional<IfIndexInterface> existingInterfaceInfo = ElanUtils.read(broker, LogicalDatastoreType.OPERATIONAL, interfaceId);
 318         if(existingInterfaceInfo.isPresent()) {
 319             return existingInterfaceInfo.get();
 320         }
 321         return null;
 322     }
 323
 324     public static InstanceIdentifier<IfIndexInterface> getInterfaceInfoEntriesOperationalDataPath(long interfaceTag) {
 325         return InstanceIdentifier.builder(IfIndexesInterfaceMap.class).child(IfIndexInterface.class,
 326                 new IfIndexInterfaceKey((int) interfaceTag)).build();
 327     }
 328
 329
 330
 331     public static InstanceIdentifier<ElanDpnInterfacesList> getElanDpnOperationDataPath(String elanInstanceName) {
 332         return InstanceIdentifier.builder(ElanDpnInterfaces.class).child(ElanDpnInterfacesList.class, new ElanDpnInterfacesListKey(elanInstanceName)).build();
 333     }
 334
 335     public static  ElanDpnInterfacesList getElanDpnInterfacesList(String elanName) {
 336         DataBroker broker = elanServiceProvider.getBroker();
 337         InstanceIdentifier<ElanDpnInterfacesList> elanDpnInterfaceId = getElanDpnOperationDataPath(elanName);
 338         Optional<ElanDpnInterfacesList> existingElanDpnInterfaces = ElanUtils.read(broker, LogicalDatastoreType.OPERATIONAL, elanDpnInterfaceId);
 339         if(existingElanDpnInterfaces.isPresent()) {
 340             return existingElanDpnInterfaces.get();
 341         }
 342         return null;
 343     }
 344
 345     public static  ElanDpnInterfaces getElanDpnInterfacesList() {
 346         DataBroker broker = elanServiceProvider.getBroker();
 347         InstanceIdentifier<ElanDpnInterfaces> elanDpnInterfaceId = InstanceIdentifier.builder(ElanDpnInterfaces.class).build();
 348         Optional<ElanDpnInterfaces> existingElanDpnInterfaces = ElanUtils.read(broker, LogicalDatastoreType.OPERATIONAL, elanDpnInterfaceId);
 349         if(existingElanDpnInterfaces.isPresent()) {
 350             return existingElanDpnInterfaces.get();
 351         }
 352         return null;
 353     }
 354
 355     public static ElanForwardingTables getElanForwardingList() {
 356         DataBroker broker = elanServiceProvider.getBroker();
 357         InstanceIdentifier<ElanForwardingTables> elanForwardingTableId = InstanceIdentifier.builder(ElanForwardingTables.class).build();
 358         Optional<ElanForwardingTables> existingElanForwardingList = ElanUtils.read(broker, LogicalDatastoreType.OPERATIONAL, elanForwardingTableId);
 359         if(existingElanForwardingList.isPresent()) {
 360             return existingElanForwardingList.get();
 361         }
 362         return null;
 363     }
 364
 365
 366     public static long getElanLocalBCGID(long elanTag) {
 367         return ElanConstants.ELAN_GID_MIN + (((elanTag % ElanConstants.ELAN_GID_MIN) *2) - 1);
 368     }
 369
 370     public static long getElanRemoteBCGID(long elanTag) {
 371         return ElanConstants.ELAN_GID_MIN + (((elanTag % ElanConstants.ELAN_GID_MIN) *2));
 372     }
 373
 374     public static BigInteger getElanMetadataLabel(long elanTag) {
 375         return (BigInteger.valueOf(elanTag)).shiftLeft(24);
 376     }
 377
 378     public static BigInteger getElanMetadataLabel(long elanTag, int lportTag) {
 379         return getElanMetadataLabel(elanTag).or(MetaDataUtil.getLportTagMetaData(lportTag));
 380     }
 381
 382     public static BigInteger getElanMetadataMask() {
 383         return MetaDataUtil.METADATA_MASK_SERVICE.or(MetaDataUtil.METADATA_MASK_LPORT_TAG);
 384     }
 385
 386     public static void setupMacFlows(ElanInstance elanInfo, InterfaceInfo interfaceInfo, long macTimeout,
 387                                      String macAddress) {
 388         IMdsalApiManager mdsalApiManager = elanServiceProvider.getMdsalManager();
 389         DataBroker broker = elanServiceProvider.getBroker();
 390         IITMProvider itmManager = elanServiceProvider.getItmManager();
 391         synchronized (macAddress) {
 392             logger.info("Acquired lock for mac : " + macAddress + "Proceeding with install operation.");
 393             setupKnownSmacFlow(elanInfo, interfaceInfo, macTimeout, macAddress, mdsalApiManager);
 394             setupTermDmacFlows(interfaceInfo, itmManager);
 395             setupOrigDmacFlows(elanInfo, interfaceInfo, macAddress, mdsalApiManager, broker);
 396         }
 397     }
 398
 399     public static void setupDMacFlowonRemoteDpn(ElanInstance elanInfo, InterfaceInfo interfaceInfo, BigInteger dstDpId,
 400                                      String macAddress) {
 401         synchronized (macAddress) {
 402             logger.info("Acquired lock for mac : " + macAddress + "Proceeding with install operation.");
 403             setupOrigDmacFlowsonRemoteDpn(elanInfo, interfaceInfo, dstDpId, macAddress);
 404         }
 405     }
 406
 407
 408     private static void setupKnownSmacFlow(ElanInstance elanInfo, InterfaceInfo interfaceInfo, long macTimeout,
 409                                            String macAddress, IMdsalApiManager mdsalApiManager) {
 410         FlowEntity flowEntity = getKnownSmacFlowEntity(elanInfo, interfaceInfo, macTimeout, macAddress);
 411         mdsalApiManager.installFlow(flowEntity);
 412         if (logger.isDebugEnabled()) {
 413             logger.debug("Known Smac flow entry created for elan Name:{}, logical Interface port:{} and mac address:{}", elanInfo.getElanInstanceName(), elanInfo.getDescription(), macAddress);
 414         }
 415     }
 416
 417     private static FlowEntity getKnownSmacFlowEntity(ElanInstance elanInfo, InterfaceInfo interfaceInfo, long macTimeout, String macAddress) {
 418         BigInteger dpId = interfaceInfo.getDpId();
 419         int lportTag = interfaceInfo.getInterfaceTag();
 420         long elanTag = elanInfo.getElanTag();
 421         // Matching metadata and eth_src fields
 422         List<MatchInfo> mkMatches = new ArrayList<MatchInfo>();
 423         mkMatches.add(new MatchInfo(MatchFieldType.metadata, new BigInteger[] {
 424                 ElanUtils.getElanMetadataLabel(elanInfo.getElanTag(), lportTag),
 425                 ElanUtils.getElanMetadataMask() }));
 426         mkMatches.add(new MatchInfo(MatchFieldType.eth_src, new String[] { macAddress }));
 427         List<InstructionInfo> mkInstructions = new ArrayList<InstructionInfo>();
 428         mkInstructions.add(new InstructionInfo(InstructionType.goto_table, new long[] { ElanConstants.ELAN_DMAC_TABLE }));
 429
 430         FlowEntity flowEntity = MDSALUtil.buildFlowEntity(dpId, ElanConstants.ELAN_SMAC_TABLE,
 431                 getKnownDynamicmacFlowRef(ElanConstants.ELAN_SMAC_TABLE, dpId, lportTag, macAddress, elanTag),
 432                 20, elanInfo.getDescription(), (int)macTimeout, 0, ElanConstants.COOKIE_ELAN_KNOWN_SMAC.add(BigInteger.valueOf(elanTag)),
 433                 mkMatches, mkInstructions);
 434         flowEntity.setStrictFlag(true);
 435         flowEntity.setSendFlowRemFlag(macTimeout != 0); //If Mac timeout is 0, the flow wont be deleted automatically, so no need to get notified
 436         return flowEntity;
 437     }
 438
 439     private static void setupTermDmacFlows(InterfaceInfo interfaceInfo, IITMProvider itmManager) {
 440         BigInteger dpId = interfaceInfo.getDpId();
 441         long lportGroupId = interfaceInfo.getGroupId();
 442         int lportTag = interfaceInfo.getInterfaceTag();
 443         List <ActionInfo> actionsInfos = new ArrayList <ActionInfo> ();
 444         actionsInfos = getEgressActionsForInterface(interfaceInfo.getInterfaceName());
 445
 446         //FIXME [ELANBE] ITM Service API to invoke Terminating Service
 447         //itmManager.createTerminatingServiceActions(dpId, lportTag, actionsInfos);
 448         if (logger.isDebugEnabled()) {
 449             logger.debug("Terminating service table flow entry created on dpn:{} for logical Interface port:{}", dpId, interfaceInfo.getPortName());
 450         }
 451     }
 452
 453     public static List<ActionInfo> getEgressActionsForInterface(String ifName) {
 454         List<ActionInfo> listActionInfo = new ArrayList<ActionInfo>();
 455         try {
 456             Future<RpcResult<GetEgressActionsForInterfaceOutput>> result =
 457                     elanServiceProvider.getInterfaceManagerRpcService().getEgressActionsForInterface(
 458                             new GetEgressActionsForInterfaceInputBuilder().setIntfName(ifName).build());
 459             RpcResult<GetEgressActionsForInterfaceOutput> rpcResult = result.get();
 460             if(!rpcResult.isSuccessful()) {
 461                 logger.warn("RPC Call to Get egress actions for interface {} returned with Errors {}", ifName, rpcResult.getErrors());
 462             } else {
 463                 List<org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.list.Action> actions =
 464                         rpcResult.getResult().getAction();
 465                 for (Action action : actions) {
 466                     org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.Action actionClass = action.getAction();
 467                     if (actionClass instanceof OutputActionCase) {
 468                         listActionInfo.add(new ActionInfo(ActionType.output,
 469                                 new String[] {((OutputActionCase)actionClass).getOutputAction()
 470                                         .getOutputNodeConnector().getValue()}));
 471                     } else if (actionClass instanceof PushVlanActionCase) {
 472                         listActionInfo.add(new ActionInfo(ActionType.push_vlan, new String[] {}));
 473                     } else if (actionClass instanceof SetFieldCase) {
 474                         if (((SetFieldCase)actionClass).getSetField().getVlanMatch() != null) {
 475                             int vlanVid = ((SetFieldCase)actionClass).getSetField().getVlanMatch().getVlanId().getVlanId().getValue();
 476                             listActionInfo.add(new ActionInfo(ActionType.set_field_vlan_vid,
 477                                     new String[] { Long.toString(vlanVid) }));
 478                         }
 479                     }
 480                 }
 481             }
 482         } catch (InterruptedException | ExecutionException e) {
 483             logger.warn("Exception when egress actions for interface {}", ifName, e);
 484         }
 485         return listActionInfo;
 486     }
 487
 488     private static void setupOrigDmacFlows(ElanInstance elanInfo, InterfaceInfo interfaceInfo, String macAddress,
 489                                            IMdsalApiManager mdsalApiManager, DataBroker broker) {
 490         BigInteger dpId = interfaceInfo.getDpId();
 491         String ifName = interfaceInfo.getInterfaceName();
 492         long ifTag = interfaceInfo.getInterfaceTag();
 493         long groupId = interfaceInfo.getGroupId();
 494         String elanInstanceName = elanInfo.getElanInstanceName();
 495         List<DpnInterfaces> remoteFEs = getInvolvedDpnsInElan(elanInstanceName);
 496         if(remoteFEs != null) {
 497             for (DpnInterfaces remoteFE : remoteFEs) {
 498                 Long elanTag = elanInfo.getElanTag();
 499                 if (remoteFE.getDpId().equals(dpId)) {
 500                     // On the local FE set up a direct output flow
 501                     setupLocalDmacFlow(elanTag, dpId, ifName, macAddress, elanInstanceName, mdsalApiManager, ifTag);
 502                     if (logger.isDebugEnabled()) {
 503                         logger.debug("Dmac flow entry created for elan Name:{}, logical port Name:{} and mac address:{} on dpn:{}", elanInstanceName, interfaceInfo.getPortName(), macAddress, dpId);
 504                     }
 505                 } else {
 506                     if (isDpnPresent(remoteFE.getDpId())) {
 507                         // Check for the Remote DPN present in Inventory Manager
 508                         setupRemoteDmacFlow(remoteFE.getDpId(), dpId, interfaceInfo.getInterfaceTag(), elanTag, macAddress, elanInstanceName);
 509                         if (logger.isDebugEnabled()) {
 510                             logger.debug("Dmac flow entry created for elan Name:{}, logical port Name:{} and mac address:{} on dpn:{}", elanInstanceName, interfaceInfo.getPortName(), macAddress, remoteFE.getDpId());
 511                         }
 512                     }
 513                 }
 514             }
 515         }
 516     }
 517
 518     private static void setupOrigDmacFlowsonRemoteDpn(ElanInstance elanInfo, InterfaceInfo interfaceInfo, BigInteger dstDpId, String macAddress) {
 519         BigInteger dpId = interfaceInfo.getDpId();
 520         String elanInstanceName = elanInfo.getElanInstanceName();
 521         List<DpnInterfaces> remoteFEs = getInvolvedDpnsInElan(elanInstanceName);
 522         for(DpnInterfaces remoteFE: remoteFEs) {
 523             Long elanTag = elanInfo.getElanTag();
 524             if (remoteFE.getDpId().equals(dstDpId)) {
 525                 // Check for the Remote DPN present in Inventory Manager
 526                 setupRemoteDmacFlow(dstDpId, dpId, interfaceInfo.getInterfaceTag(), elanTag, macAddress, elanInstanceName);
 527                 if (logger.isDebugEnabled()) {
 528                     logger.debug("Dmac flow entry created for elan Name:{}, logical port Name:{} and mac address {} on dpn:{}", elanInstanceName, interfaceInfo.getPortName(), macAddress, remoteFE.getDpId());
 529                 }
 530                 break;
 531             }
 532         }
 533     }
 534
 535
 536     @SuppressWarnings("unchecked")
 537     public static List<DpnInterfaces> getInvolvedDpnsInElan(String elanName) {
 538         List<DpnInterfaces> dpns = ElanInstanceManager.getElanInstanceManager().getElanDPNByName(elanName);
 539         return dpns;
 540     }
 541
 542     private static void setupLocalDmacFlow(long elanTag, BigInteger dpId, String ifName, String macAddress,
 543                                            String displayName, IMdsalApiManager mdsalApiManager, long ifTag) {
 544         FlowEntity flowEntity = getLocalDmacFlowEntry(elanTag, dpId, ifName, macAddress, displayName, ifTag);
 545         mdsalApiManager.installFlow(flowEntity);
 546
 547     }
 548
 549     public static String getKnownDynamicmacFlowRef(short tableId, BigInteger dpId, long lporTag, String macAddress, long elanTag) {
 550         return new StringBuffer().append(tableId).append(elanTag).append(dpId).append(lporTag).append(macAddress).toString();
 551     }
 552
 553     public static String getKnownDynamicmacFlowRef(short tableId, BigInteger dpId, BigInteger remoteDpId, String macAddress, long elanTag) {
 554         return new StringBuffer().append(tableId).append(elanTag).append(dpId).append(remoteDpId).append(macAddress).toString();
 555     }
 556
 557     public static FlowEntity getLocalDmacFlowEntry(long elanTag, BigInteger dpId, String ifName, String macAddress,
 558                                                    String displayName, long ifTag) {
 559         List<MatchInfo> mkMatches = new ArrayList<MatchInfo>();
 560         mkMatches.add(new MatchInfo(MatchFieldType.metadata, new BigInteger[] {
 561                 ElanUtils.getElanMetadataLabel(elanTag),
 562                 MetaDataUtil.METADATA_MASK_SERVICE }));
 563         mkMatches.add(new MatchInfo(MatchFieldType.eth_dst, new String[] { macAddress }));
 564
 565         List<InstructionInfo> mkInstructions = new ArrayList<InstructionInfo>();
 566         List <ActionInfo> actionsInfos = new ArrayList <ActionInfo> ();
 567         actionsInfos.addAll(getEgressActionsForInterface(ifName));
 568         mkInstructions.add(new InstructionInfo(InstructionType.write_actions, actionsInfos));
 569
 570         FlowEntity flowEntity = MDSALUtil.buildFlowEntity(dpId, ElanConstants.ELAN_DMAC_TABLE,
 571                 getKnownDynamicmacFlowRef(ElanConstants.ELAN_DMAC_TABLE, dpId, ifTag, macAddress, elanTag),
 572                 20, displayName, 0, 0, ElanConstants.COOKIE_ELAN_KNOWN_DMAC.add(BigInteger.valueOf(elanTag)),
 573                 mkMatches, mkInstructions);
 574         return flowEntity;
 575     }
 576
 577     public static void setupRemoteDmacFlow(BigInteger srcDpId, BigInteger destDpId, int lportTag, long elanTag, String macAddress,
 578                                            String displayName) {
 579         IMdsalApiManager mdsalApiManager = elanServiceProvider.getMdsalManager();
 580         FlowEntity flowEntity = getRemoteDmacFlowEntry(srcDpId, destDpId, lportTag, elanTag, macAddress, displayName);
 581         mdsalApiManager.installFlow(flowEntity);
 582     }
 583
 584     public static FlowEntity getRemoteDmacFlowEntry(BigInteger srcDpId, BigInteger destDpId, int lportTag, long elanTag,
 585                                                     String macAddress, String displayName) {
 586         IITMProvider itmManager = elanServiceProvider.getItmManager();
 587         List<MatchInfo> mkMatches = new ArrayList<MatchInfo>();
 588         mkMatches.add(new MatchInfo(MatchFieldType.metadata, new BigInteger[]{
 589                 ElanUtils.getElanMetadataLabel(elanTag),
 590                 MetaDataUtil.METADATA_MASK_SERVICE }));
 591         mkMatches.add(new MatchInfo(MatchFieldType.eth_dst, new String[] { macAddress }));
 592
 593         List<InstructionInfo> mkInstructions = new ArrayList<InstructionInfo>();
 594         //List of ActionInfo for the provided Source and Destination DPIDs
 595         try {
 596             //FIXME [ELANBE] Removing ITM API for now, will need this for multi dpn.
 597             //List<ActionInfo> actionsInfos = itmManager.ITMIngressGetActions(srcDpId, destDpId, lportTag);
 598             //mkInstructions.add(new InstructionInfo(InstructionType.write_actions, actionsInfos));
 599         } catch (Exception e) {
 600             logger.error("Interface Not Found exception");
 601         }
 602
 603         FlowEntity flowEntity = MDSALUtil.buildFlowEntity(srcDpId, ElanConstants.ELAN_DMAC_TABLE,
 604                 getKnownDynamicmacFlowRef(ElanConstants.ELAN_DMAC_TABLE, srcDpId, destDpId, macAddress, elanTag),
 605                 20, displayName, 0, 0, ElanConstants.COOKIE_ELAN_KNOWN_DMAC.add(BigInteger.valueOf(elanTag)),
 606                 mkMatches, mkInstructions);
 607         return flowEntity;
 608     }
 609
 610     public static void deleteMacFlows(ElanInstance elanInfo, InterfaceInfo interfaceInfo, MacEntry macEntry) {
 611         if (elanInfo == null || interfaceInfo == null) {
 612             return;
 613         }
 614         String macAddress = macEntry.getMacAddress().getValue();
 615         synchronized (macAddress) {
 616             logger.info("Acquired lock for mac : " + macAddress + "Proceeding with remove operation.");
 617             deleteMacFlows(elanInfo, interfaceInfo,  macAddress, true);
 618         }
 619     }
 620
 621     public static void deleteMacFlows(ElanInstance elanInfo, InterfaceInfo interfaceInfo, String macAddress, boolean deleteSmac) {
 622         String elanInstanceName = elanInfo.getElanInstanceName();
 623         String ifName = interfaceInfo.getInterfaceName();
 624         long ifTag = interfaceInfo.getInterfaceTag();
 625         List<DpnInterfaces> remoteFEs = getInvolvedDpnsInElan(elanInstanceName);
 626         IMdsalApiManager mdsalApiManager = elanServiceProvider.getMdsalManager();
 627         IITMProvider itmManager = elanServiceProvider.getItmManager();
 628         BigInteger srcdpId = interfaceInfo.getDpId();
 629         String displayName = elanInstanceName;
 630         long groupId = interfaceInfo.getGroupId();
 631         for (DpnInterfaces dpnInterface: remoteFEs) {
 632             Long elanTag = elanInfo.getElanTag();
 633             if (dpnInterface.getDpId().equals(srcdpId)) {
 634                 if(deleteSmac) {
 635                     mdsalApiManager.removeFlow(getKnownSmacFlowEntity(elanInfo, interfaceInfo, 0, macAddress));
 636                 }
 637                 mdsalApiManager.removeFlow(getLocalDmacFlowEntry(elanTag, dpnInterface.getDpId(), ifName, macAddress, displayName, ifTag));
 638
 639                 //FIXME [ELANBE] Removing ITM API for now, will need this for multi dpn.
 640                 //itmManager.removeTerminatingServiceAction(dpnInterface.getDpId(), interfaceInfo.getInterfaceTag());
 641                   if (logger.isDebugEnabled()) {
 642                     logger.debug("All the required flows deleted for elan:{}, logical Interface port:{} and mac address:{} on dpn:{}", elanInstanceName, interfaceInfo.getPortName(), macAddress, dpnInterface.getDpId());
 643                 }
 644             } else if (isDpnPresent(dpnInterface.getDpId())) {
 645                 mdsalApiManager.removeFlow(
 646                         getRemoteDmacFlowEntry(dpnInterface.getDpId(), srcdpId, interfaceInfo.getInterfaceTag(), elanTag, macAddress,
 647                                 displayName));
 648                 if (logger.isDebugEnabled()) {
 649                     logger.debug("Dmac flow entry deleted for elan:{}, logical interface port:{} and mac address:{} on dpn:{}", elanInstanceName, interfaceInfo.getPortName(), macAddress, dpnInterface.getDpId());
 650                 }
 651             }
 652         }
 653     }
 654
 655     public static void UpdateOperationalDataStore(DataBroker broker, IdManagerService idManager, ElanInstance elanInstanceAdded) {
 656         String elanInstanceName = elanInstanceAdded.getElanInstanceName();
 657         long elanTag = ElanUtils.getUniqueId(idManager, ElanConstants.ELAN_ID_POOL_NAME, elanInstanceName);
 658         Elan elanInfo = new ElanBuilder().setName(elanInstanceName).setKey(new ElanKey(elanInstanceName)).build();
 659         //Add the ElanState in the elan-state operational data-store
 660         MDSALUtil.syncWrite(broker, LogicalDatastoreType.OPERATIONAL, ElanUtils.getElanInstanceOperationalDataPath(elanInstanceName), elanInfo);
 661         //Add the ElanMacTable in the elan-mac-table operational data-store
 662         MacTable elanMacTable = new MacTableBuilder().setKey(new MacTableKey(elanInstanceName)).build();
 663         MDSALUtil.syncWrite(broker, LogicalDatastoreType.OPERATIONAL, ElanUtils.getElanMacTableOperationalDataPath(elanInstanceName), elanMacTable);
 664         ElanTagName elanTagName = new ElanTagNameBuilder().setElanTag(elanTag).setKey(new ElanTagNameKey(elanTag)).setName(elanInstanceName).build();
 665         //Add the ElanTag to ElanName in the elan-tag-name Operational data-store
 666         MDSALUtil.syncWrite(broker, LogicalDatastoreType.OPERATIONAL, ElanUtils.getElanInfoEntriesOperationalDataPath(elanTag), elanTagName);
 667         ElanInstance elanInstanceWithTag = new ElanInstanceBuilder().setElanInstanceName(elanInstanceName).setDescription(elanInstanceAdded.getDescription()).setMacTimeout(elanInstanceAdded
 668                 .getMacTimeout() == null ? ElanConstants.DEFAULT_MAC_TIME_OUT : elanInstanceAdded.getMacTimeout()).setKey(elanInstanceAdded.getKey()).setElanTag(elanTag).build();
 669         MDSALUtil.syncUpdate(broker, LogicalDatastoreType.CONFIGURATION, getElanInstanceIdentifier(elanInstanceName), elanInstanceWithTag);
 670     }
 671
 672     public static boolean isDpnPresent(BigInteger dpnId) {
 673         DataBroker broker = elanServiceProvider.getBroker();
 674         boolean isPresent = false;
 675         String dpn = String.format("%s:%s", "openflow",dpnId);
 676         NodeId nodeId = new NodeId(dpn);
 677         InstanceIdentifier<Node> node = InstanceIdentifier.builder(Nodes.class).child(Node.class, new NodeKey(nodeId)).build();
 678         Optional<Node> nodePresent = read(broker, LogicalDatastoreType.OPERATIONAL, node);
 679         if(nodePresent.isPresent()) {
 680             isPresent = true;
 681         }
 682         return isPresent;
 683     }
 684
 685     public static ServicesInfo getServiceInfo(String elanInstanceName, long elanTag, String interfaceName) {
 686         int priority = ElanConstants.ELAN_SERVICE_PRIORITY;
 687         int instructionKey = 0;
 688         List<Instruction> instructions = new ArrayList<Instruction>();
 689         instructions.add(MDSALUtil.buildAndGetWriteMetadaInstruction(ElanUtils.getElanMetadataLabel(elanTag), MetaDataUtil.METADATA_MASK_SERVICE, ++instructionKey));
 690         instructions.add(MDSALUtil.buildAndGetGotoTableInstruction(ElanConstants.ELAN_SMAC_TABLE, ++instructionKey));
 691
 692         ServicesInfo serviceInfo = InterfaceServiceUtil.buildServiceInfo(String.format("%s.%s", elanInstanceName, interfaceName), ElanConstants.ELAN_SERVICE_INDEX,
 693                 priority, ElanConstants.COOKIE_ELAN_INGRESS_TABLE, instructions);
 694         return serviceInfo;
 695     }
 696
 697     public static <T extends DataObject> void delete(DataBroker broker, LogicalDatastoreType datastoreType,
 698                                               InstanceIdentifier<T> path, FutureCallback<Void> callback) {
 699         WriteTransaction tx = broker.newWriteOnlyTransaction();
 700         tx.delete(datastoreType, path);
 701         Futures.addCallback(tx.submit(), callback);
 702     }
 703
 704     public static <T extends DataObject> void syncWrite(DataBroker broker, LogicalDatastoreType datastoreType,
 705                                                         InstanceIdentifier<T> path, T data) {
 706         WriteTransaction tx = broker.newWriteOnlyTransaction();
 707         tx.put(datastoreType, path, data, true);
 708         CheckedFuture<Void, TransactionCommitFailedException> futures = tx.submit();
 709         try {
 710             futures.get();
 711         } catch (InterruptedException | ExecutionException e) {
 712             logger.error("Error writing to datastore (path, data) : ({}, {})", path, data);
 713             throw new RuntimeException(e.getMessage());
 714         }
 715     }
 716
 717
 718     public static BoundServices getBoundServices(String serviceName, short servicePriority, int flowPriority,
 719                                                  BigInteger cookie, List<Instruction> instructions) {
 720         StypeOpenflowBuilder augBuilder = new StypeOpenflowBuilder().setFlowCookie(cookie).setFlowPriority(flowPriority).setInstruction(instructions);
 721         return new BoundServicesBuilder().setKey(new BoundServicesKey(servicePriority))
 722                 .setServiceName(serviceName).setServicePriority(servicePriority)
 723                 .setServiceType(ServiceTypeFlowBased.class).addAugmentation(StypeOpenflow.class, augBuilder.build()).build();
 724     }
 725
 726     public static InstanceIdentifier<BoundServices> buildServiceId(String vpnInterfaceName, short serviceIndex) {
 727         return InstanceIdentifier.builder(ServiceBindings.class).child(ServicesInfo.class, new ServicesInfoKey(vpnInterfaceName))
 728                 .child(BoundServices.class, new BoundServicesKey(serviceIndex)).build();
 729     }
 730
 731 }