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.flow.MatchBuilder;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.instruction.list.Instruction;
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeId;
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.Nodes;
  35 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node;
  36 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.NodeKey;
  37 //import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice._interface.service.rev150602._interface.service.info.ServiceInfo;
  38 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.*;
  39 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.general.rev140714.ExtensionKey;
  40 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.general.rev140714.GeneralAugMatchNodesNodeTableFlow;
  41 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.general.rev140714.GeneralAugMatchNodesNodeTableFlowBuilder;
  42 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.general.rev140714.general.extension.grouping.ExtensionBuilder;
  43 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.general.rev140714.general.extension.list.grouping.ExtensionList;
  44 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.general.rev140714.general.extension.list.grouping.ExtensionListBuilder;
  45 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.*;
  46 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.nxm.nx.reg.grouping.NxmNxRegBuilder;
  47 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.elan.rev150602.*;
  48 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.elan.rev150602.elan._interface.forwarding.entries.ElanInterfaceMac;
  49 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.elan.rev150602.elan._interface.forwarding.entries.ElanInterfaceMacKey;
  50 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.elan.rev150602.elan.dpn.interfaces.ElanDpnInterfacesList;
  51 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.elan.rev150602.elan.dpn.interfaces.ElanDpnInterfacesListKey;
  52 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.elan.rev150602.elan.dpn.interfaces.elan.dpn.interfaces.list.DpnInterfaces;
  53 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.elan.rev150602.elan.dpn.interfaces.elan.dpn.interfaces.list.DpnInterfacesKey;
  54 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.elan.rev150602.elan.forwarding.tables.MacTable;
  55 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.elan.rev150602.elan.forwarding.tables.MacTableBuilder;
  56 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.elan.rev150602.elan.forwarding.tables.MacTableKey;
  57 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.elan.rev150602.elan.instances.ElanInstance;
  58 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.elan.rev150602.elan.instances.ElanInstanceBuilder;
  59 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.elan.rev150602.elan.instances.ElanInstanceKey;
  60 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.elan.rev150602.elan.interfaces.ElanInterface;
  61 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.elan.rev150602.elan.interfaces.ElanInterfaceKey;
  62 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.elan.rev150602.elan.state.Elan;
  63 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.elan.rev150602.elan.state.ElanBuilder;
  64 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.elan.rev150602.elan.state.ElanKey;
  65 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.elan.rev150602.elan.tag.name.map.ElanTagName;
  66 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.elan.rev150602.elan.tag.name.map.ElanTagNameBuilder;
  67 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.elan.rev150602.elan.tag.name.map.ElanTagNameKey;
  68 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.elan.rev150602.forwarding.entries.MacEntry;
  69 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.elan.rev150602.forwarding.entries.MacEntryKey;
  70 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.idmanager.rev150403.*;
  71 //import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.rev150331.IfIndexesInterfaceMap;
  72 //import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.rev150331._if.indexes._interface.map.IfIndexInterface;
  73 //import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.rev150331._if.indexes._interface.map.IfIndexInterfaceKey;
  74 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.rpcs.rev151003.GetEgressActionsForInterfaceInputBuilder;
  75 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.rpcs.rev151003.GetEgressActionsForInterfaceOutput;
  76 import org.opendaylight.yangtools.yang.binding.DataObject;
  77 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  78 import org.opendaylight.yangtools.yang.common.RpcResult;
  79 import org.slf4j.Logger;
  80 import org.slf4j.LoggerFactory;
  81
  82 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.meta.rev151007.IfIndexesInterfaceMap;
  83 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.meta.rev151007._if.indexes._interface.map.IfIndexInterface;
  84 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.meta.rev151007._if.indexes._interface.map.IfIndexInterfaceKey;
  85 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.servicebinding.rev151015.service.bindings.ServicesInfo;
  86 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.servicebinding.rev151015.ServiceBindings;
  87 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.servicebinding.rev151015.ServiceTypeFlowBased;
  88 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.servicebinding.rev151015.StypeOpenflow;
  89 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.servicebinding.rev151015.StypeOpenflowBuilder;
  90 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.servicebinding.rev151015.service.bindings.ServicesInfoKey;
  91 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.servicebinding.rev151015.service.bindings.services.info.BoundServices;
  92 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.servicebinding.rev151015.service.bindings.services.info.BoundServicesBuilder;
  93 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.servicebinding.rev151015.service.bindings.services.info.BoundServicesKey;
  94
  95
  96 import java.math.BigInteger;
  97 import java.util.ArrayList;
  98 import java.util.List;
  99 import java.util.concurrent.ExecutionException;
 100 import java.util.concurrent.Future;
 101
 102 public class ElanUtils {
 103
 104     private static ElanServiceProvider elanServiceProvider;
 105     private static final Logger logger = LoggerFactory.getLogger(ElanUtils.class);
 106
 107     public static final FutureCallback<Void> DEFAULT_CALLBACK =
 108             new FutureCallback<Void>() {
 109                 public void onSuccess(Void result) {
 110                     logger.debug("Success in Datastore operation");
 111                 }
 112
 113                 public void onFailure(Throwable error) {
 114                     logger.error("Error in Datastore operation", error);
 115                 };
 116             };
 117
 118     public static Integer getUniqueId(IdManagerService idManager, String poolName, String idKey) {
 119         AllocateIdInput getIdInput = new AllocateIdInputBuilder()
 120                                            .setPoolName(poolName)
 121                                            .setIdKey(idKey).build();
 122
 123         try {
 124             Future<RpcResult<AllocateIdOutput>> result = idManager.allocateId(getIdInput);
 125             RpcResult<AllocateIdOutput> rpcResult = result.get();
 126             if(rpcResult.isSuccessful()) {
 127                 return rpcResult.getResult().getIdValue().intValue();
 128             } else {
 129                 logger.warn("RPC Call to Allocate Id returned with Errors {}", rpcResult.getErrors());
 130             }
 131         } catch (InterruptedException | ExecutionException e) {
 132             logger.warn("Exception when Allocating Id",e);
 133         }
 134         return 0;
 135     }
 136
 137     public static void setElanServiceProvider(ElanServiceProvider elanService) {
 138         elanServiceProvider = elanService;
 139     }
 140     public static void releaseId(IdManagerService idManager, String poolName, String idKey) {
 141         ReleaseIdInput releaseIdInput = new ReleaseIdInputBuilder().setPoolName(poolName).setIdKey(idKey).build();
 142         Future<RpcResult<Void>> result = idManager.releaseId(releaseIdInput);
 143     }
 144
 145     public static <T extends DataObject> Optional<T> read(DataBroker broker, LogicalDatastoreType datastoreType,
 146             InstanceIdentifier<T> path) {
 147
 148         ReadOnlyTransaction tx = broker.newReadOnlyTransaction();
 149
 150         Optional<T> result = Optional.absent();
 151         try {
 152             result = tx.read(datastoreType, path).get();
 153         } catch (Exception e) {
 154             throw new RuntimeException(e);
 155         }
 156
 157         return result;
 158     }
 159
 160
 161     public static <T extends DataObject> void delete(DataBroker broker, LogicalDatastoreType datastoreType, InstanceIdentifier<T> path) {
 162         WriteTransaction tx = broker.newWriteOnlyTransaction();
 163         tx.delete(datastoreType, path);
 164         Futures.addCallback(tx.submit(), DEFAULT_CALLBACK);
 165     }
 166
 167     public static InstanceIdentifier<ElanInstance> getElanInstanceIdentifier(String elanName) {
 168         return InstanceIdentifier.builder(ElanInstances.class)
 169                 .child(ElanInstance.class, new ElanInstanceKey(elanName)).build();
 170     }
 171
 172     public static InstanceIdentifier<ElanInstance> getElanInstanceIdentifier() {
 173         return InstanceIdentifier.builder(ElanInstances.class).child(ElanInstance.class).build();
 174     }
 175
 176     //elan-instances config container
 177     public static ElanInstance getElanInstanceByName(String elanInstanceName) {
 178         DataBroker broker = elanServiceProvider.getBroker();
 179         InstanceIdentifier<ElanInstance> elanIdentifierId = getElanInstanceConfigurationDataPath(elanInstanceName);
 180         Optional<ElanInstance> elanInstance = read(broker, LogicalDatastoreType.CONFIGURATION, elanIdentifierId);
 181         if(elanInstance.isPresent()) {
 182             return elanInstance.get();
 183         }
 184         return null;
 185     }
 186
 187     public static InstanceIdentifier<ElanInstance> getElanInstanceConfigurationDataPath(String elanInstanceName) {
 188         return InstanceIdentifier.builder(ElanInstances.class).child(ElanInstance.class, new ElanInstanceKey(elanInstanceName)).build();
 189     }
 190
 191     //elan-interfaces Config Container
 192     public static ElanInterface getElanInterfaceByElanInterfaceName(String elanInterfaceName) {
 193         DataBroker broker = elanServiceProvider.getBroker();
 194         InstanceIdentifier<ElanInterface> elanInterfaceId = getElanInterfaceConfigurationDataPathId(elanInterfaceName);
 195         Optional<ElanInterface> existingElanInterface = read(broker, LogicalDatastoreType.CONFIGURATION, elanInterfaceId);
 196         if(existingElanInterface.isPresent()) {
 197             return existingElanInterface.get();
 198         }
 199         return null;
 200     }
 201
 202     public static class RegMatch {
 203
 204         final Class<? extends NxmNxReg> reg;
 205         final Long value;
 206
 207         public RegMatch(Class<? extends NxmNxReg> reg, Long value) {
 208             super();
 209             this.reg = reg;
 210             this.value = value;
 211         }
 212
 213         public static RegMatch of(Class<? extends NxmNxReg> reg, Long value) {
 214             return new RegMatch(reg, value);
 215         }
 216     }
 217
 218     public static void addNxRegMatch(MatchBuilder match, RegMatch... matches) {
 219         ArrayList<ExtensionList> extensions = new ArrayList<>();
 220         for (RegMatch rm : matches) {
 221             Class<? extends ExtensionKey> key;
 222             if (NxmNxReg0.class.equals(rm.reg)) {
 223                 key = NxmNxReg0Key.class;
 224             } else if (NxmNxReg1.class.equals(rm.reg)) {
 225                 key = NxmNxReg1Key.class;
 226             } else if (NxmNxReg2.class.equals(rm.reg)) {
 227                 key = NxmNxReg2Key.class;
 228             } else if (NxmNxReg3.class.equals(rm.reg)) {
 229                 key = NxmNxReg3Key.class;
 230             } else if (NxmNxReg4.class.equals(rm.reg)) {
 231                 key = NxmNxReg4Key.class;
 232             } else if (NxmNxReg5.class.equals(rm.reg)) {
 233                 key = NxmNxReg5Key.class;
 234             } else if (NxmNxReg6.class.equals(rm.reg)) {
 235                 key = NxmNxReg6Key.class;
 236             } else {
 237                 key = NxmNxReg7Key.class;
 238             }
 239             NxAugMatchNodesNodeTableFlow am = new NxAugMatchNodesNodeTableFlowBuilder().setNxmNxReg(
 240                     new NxmNxRegBuilder().setReg(rm.reg).setValue(rm.value).build()).build();
 241             extensions.add(new ExtensionListBuilder().setExtensionKey(key)
 242                     .setExtension(new ExtensionBuilder().addAugmentation(NxAugMatchNodesNodeTableFlow.class, am).build())
 243                     .build());
 244         }
 245         GeneralAugMatchNodesNodeTableFlow m = new GeneralAugMatchNodesNodeTableFlowBuilder().setExtensionList(
 246                 extensions).build();
 247         match.addAugmentation(GeneralAugMatchNodesNodeTableFlow.class, m);
 248     }
 249
 250     public static InstanceIdentifier<ElanInterface> getElanInterfaceConfigurationDataPathId(String interfaceName) {
 251         return InstanceIdentifier.builder(ElanInterfaces.class).child(ElanInterface.class,
 252                 new ElanInterfaceKey(interfaceName)).build();
 253     }
 254
 255     //elan-state Operational container
 256     public static Elan getElanByName(String elanInstanceName) {
 257         DataBroker broker = elanServiceProvider.getBroker();
 258         InstanceIdentifier<Elan> elanIdentifier = getElanInstanceOperationalDataPath(elanInstanceName);
 259         Optional<Elan> elanInstance = read(broker, LogicalDatastoreType.OPERATIONAL, elanIdentifier);
 260         if(elanInstance.isPresent()) {
 261             return elanInstance.get();
 262         }
 263         return null;
 264     }
 265
 266     public static InstanceIdentifier<Elan> getElanInstanceOperationalDataPath(String elanInstanceName) {
 267         return InstanceIdentifier.builder(ElanState.class).child(Elan.class, new ElanKey(elanInstanceName)).build();
 268     }
 269
 270     // grouping of forwarding-entries
 271     public static MacEntry getInterfaceMacEntriesOperationalDataPath(String interfaceName, PhysAddress physAddress) {
 272         DataBroker broker = elanServiceProvider.getBroker();
 273         InstanceIdentifier<MacEntry> existingMacEntryId = getInterfaceMacEntriesIdentifierOperationalDataPath(interfaceName, physAddress);
 274         Optional<MacEntry> existingInterfaceMacEntry = read(broker, LogicalDatastoreType.OPERATIONAL, existingMacEntryId);
 275         if(existingInterfaceMacEntry.isPresent()) {
 276             return existingInterfaceMacEntry.get();
 277         }
 278         return null;
 279     }
 280
 281     public static MacEntry getInterfaceMacEntriesOperationalDataPathFromId(InstanceIdentifier identifier) {
 282         DataBroker broker = elanServiceProvider.getBroker();
 283         Optional<MacEntry> existingInterfaceMacEntry = read(broker, LogicalDatastoreType.OPERATIONAL, identifier);
 284         if(existingInterfaceMacEntry.isPresent()) {
 285             return existingInterfaceMacEntry.get();
 286         }
 287         return null;
 288     }
 289
 290     public static InstanceIdentifier<MacEntry> getInterfaceMacEntriesIdentifierOperationalDataPath(String interfaceName, PhysAddress physAddress) {
 291         return InstanceIdentifier.builder(ElanInterfaceForwardingEntries.class).child(ElanInterfaceMac.class,
 292                 new ElanInterfaceMacKey(interfaceName)).child(MacEntry.class, new MacEntryKey(physAddress)).build();
 293
 294     }
 295
 296     //elan-forwarding-tables Operational container
 297     public static MacEntry getMacTableByElanName(String elanName, PhysAddress physAddress) {
 298         DataBroker broker = elanServiceProvider.getBroker();
 299         InstanceIdentifier<MacEntry> macId =  getMacEntryOperationalDataPath(elanName, physAddress);
 300         Optional<MacEntry> existingElanMacEntry = read(broker, LogicalDatastoreType.OPERATIONAL, macId);
 301         if(existingElanMacEntry.isPresent()) {
 302             return existingElanMacEntry.get();
 303         }
 304         return null;
 305     }
 306
 307
 308     public static MacEntry getMacEntryFromElanMacId(InstanceIdentifier identifier) {
 309         DataBroker broker = elanServiceProvider.getBroker();
 310         Optional<MacEntry> existingInterfaceMacEntry = read(broker, LogicalDatastoreType.OPERATIONAL, identifier);
 311         if(existingInterfaceMacEntry.isPresent()) {
 312             return existingInterfaceMacEntry.get();
 313         }
 314         return null;
 315     }
 316
 317     public static InstanceIdentifier<MacEntry> getMacEntryOperationalDataPath(String elanName, PhysAddress physAddress) {
 318         return InstanceIdentifier.builder(ElanForwardingTables.class).child(MacTable.class,
 319                 new MacTableKey(elanName)).child(MacEntry.class, new MacEntryKey(physAddress)).build();
 320     }
 321
 322     public static InstanceIdentifier<MacTable> getElanMacTableOperationalDataPath(String elanName) {
 323         return InstanceIdentifier.builder(ElanForwardingTables.class).child(MacTable.class,
 324                 new MacTableKey(elanName)).build();
 325     }
 326
 327     //elan-interface-forwarding-entries Operational container
 328     public static ElanInterfaceMac getElanInterfaceMacByInterfaceName(String interfaceName) {
 329         DataBroker broker = elanServiceProvider.getBroker();
 330         InstanceIdentifier<ElanInterfaceMac> elanInterfaceId = getElanInterfaceMacEntriesOperationalDataPath(interfaceName);
 331         Optional<ElanInterfaceMac> existingElanInterface = read(broker, LogicalDatastoreType.OPERATIONAL, elanInterfaceId);
 332         if(existingElanInterface.isPresent()) {
 333             return existingElanInterface.get();
 334         }
 335         return null;
 336     }
 337
 338     public static InstanceIdentifier<ElanInterfaceMac> getElanInterfaceMacEntriesOperationalDataPath(String interfaceName) {
 339         return InstanceIdentifier.builder(ElanInterfaceForwardingEntries.class).child(ElanInterfaceMac.class,
 340                 new ElanInterfaceMacKey(interfaceName)).build();
 341     }
 342
 343     //elan-dpn-interfaces Operational Container
 344     public static DpnInterfaces getElanInterfaceInfoByElanDpn(String elanInstanceName, BigInteger dpId) {
 345         DataBroker broker = elanServiceProvider.getBroker();
 346         InstanceIdentifier<DpnInterfaces> elanDpnInterfacesId = getElanDpnInterfaceOperationalDataPath(elanInstanceName, dpId);
 347         Optional<DpnInterfaces> elanDpnInterfaces = read(broker, LogicalDatastoreType.OPERATIONAL, elanDpnInterfacesId);
 348         if(elanDpnInterfaces.isPresent()) {
 349             return elanDpnInterfaces.get();
 350         }
 351         return null;
 352     }
 353
 354     public static InstanceIdentifier<DpnInterfaces> getElanDpnInterfaceOperationalDataPath(String elanInstanceName, BigInteger dpId) {
 355         return InstanceIdentifier.builder(ElanDpnInterfaces.class).child(ElanDpnInterfacesList.class,
 356                 new ElanDpnInterfacesListKey(elanInstanceName)).child(DpnInterfaces.class, new DpnInterfacesKey(dpId)).build();
 357     }
 358
 359     //elan-tag-name-map Operational Container
 360     public static ElanTagName getElanInfoByElanTag(long elanTag) {
 361         DataBroker broker = elanServiceProvider.getBroker();
 362         InstanceIdentifier<ElanTagName> elanId = getElanInfoEntriesOperationalDataPath(elanTag);
 363         Optional<ElanTagName> existingElanInfo = ElanUtils.read(broker, LogicalDatastoreType.OPERATIONAL, elanId);
 364         if(existingElanInfo.isPresent()) {
 365             return existingElanInfo.get();
 366         }
 367         return null;
 368     }
 369
 370     public static InstanceIdentifier<ElanTagName> getElanInfoEntriesOperationalDataPath(long elanTag) {
 371         return InstanceIdentifier.builder(ElanTagNameMap.class).child(ElanTagName.class,
 372                 new ElanTagNameKey(elanTag)).build();
 373     }
 374
 375     // interface-index-tag operational container
 376     public static IfIndexInterface getInterfaceInfoByInterfaceTag(long interfaceTag) {
 377         DataBroker broker = elanServiceProvider.getBroker();
 378         InstanceIdentifier<IfIndexInterface> interfaceId = getInterfaceInfoEntriesOperationalDataPath(interfaceTag);
 379         Optional<IfIndexInterface> existingInterfaceInfo = ElanUtils.read(broker, LogicalDatastoreType.OPERATIONAL, interfaceId);
 380         if(existingInterfaceInfo.isPresent()) {
 381             return existingInterfaceInfo.get();
 382         }
 383         return null;
 384     }
 385
 386     public static InstanceIdentifier<IfIndexInterface> getInterfaceInfoEntriesOperationalDataPath(long interfaceTag) {
 387         return InstanceIdentifier.builder(IfIndexesInterfaceMap.class).child(IfIndexInterface.class,
 388                 new IfIndexInterfaceKey((int) interfaceTag)).build();
 389     }
 390
 391
 392
 393     public static InstanceIdentifier<ElanDpnInterfacesList> getElanDpnOperationDataPath(String elanInstanceName) {
 394         return InstanceIdentifier.builder(ElanDpnInterfaces.class).child(ElanDpnInterfacesList.class, new ElanDpnInterfacesListKey(elanInstanceName)).build();
 395     }
 396
 397     public static  ElanDpnInterfacesList getElanDpnInterfacesList(String elanName) {
 398         DataBroker broker = elanServiceProvider.getBroker();
 399         InstanceIdentifier<ElanDpnInterfacesList> elanDpnInterfaceId = getElanDpnOperationDataPath(elanName);
 400         Optional<ElanDpnInterfacesList> existingElanDpnInterfaces = ElanUtils.read(broker, LogicalDatastoreType.OPERATIONAL, elanDpnInterfaceId);
 401         if(existingElanDpnInterfaces.isPresent()) {
 402             return existingElanDpnInterfaces.get();
 403         }
 404         return null;
 405     }
 406
 407     public static  ElanDpnInterfaces getElanDpnInterfacesList() {
 408         DataBroker broker = elanServiceProvider.getBroker();
 409         InstanceIdentifier<ElanDpnInterfaces> elanDpnInterfaceId = InstanceIdentifier.builder(ElanDpnInterfaces.class).build();
 410         Optional<ElanDpnInterfaces> existingElanDpnInterfaces = ElanUtils.read(broker, LogicalDatastoreType.OPERATIONAL, elanDpnInterfaceId);
 411         if(existingElanDpnInterfaces.isPresent()) {
 412             return existingElanDpnInterfaces.get();
 413         }
 414         return null;
 415     }
 416
 417     public static ElanForwardingTables getElanForwardingList() {
 418         DataBroker broker = elanServiceProvider.getBroker();
 419         InstanceIdentifier<ElanForwardingTables> elanForwardingTableId = InstanceIdentifier.builder(ElanForwardingTables.class).build();
 420         Optional<ElanForwardingTables> existingElanForwardingList = ElanUtils.read(broker, LogicalDatastoreType.OPERATIONAL, elanForwardingTableId);
 421         if(existingElanForwardingList.isPresent()) {
 422             return existingElanForwardingList.get();
 423         }
 424         return null;
 425     }
 426
 427
 428     public static long getElanLocalBCGID(long elanTag) {
 429         return ElanConstants.ELAN_GID_MIN + (((elanTag % ElanConstants.ELAN_GID_MIN) *2) - 1);
 430     }
 431
 432     public static long getElanRemoteBCGID(long elanTag) {
 433         return ElanConstants.ELAN_GID_MIN + (((elanTag % ElanConstants.ELAN_GID_MIN) *2));
 434     }
 435
 436     public static BigInteger getElanMetadataLabel(long elanTag) {
 437         return (BigInteger.valueOf(elanTag)).shiftLeft(24);
 438     }
 439
 440     public static BigInteger getElanMetadataLabel(long elanTag, int lportTag) {
 441         return getElanMetadataLabel(elanTag).or(MetaDataUtil.getLportTagMetaData(lportTag));
 442     }
 443
 444     public static BigInteger getElanMetadataMask() {
 445         return MetaDataUtil.METADATA_MASK_SERVICE.or(MetaDataUtil.METADATA_MASK_LPORT_TAG);
 446     }
 447
 448     public static void setupMacFlows(ElanInstance elanInfo, InterfaceInfo interfaceInfo, long macTimeout,
 449                                      String macAddress) {
 450         IMdsalApiManager mdsalApiManager = elanServiceProvider.getMdsalManager();
 451         DataBroker broker = elanServiceProvider.getBroker();
 452         IITMProvider itmManager = elanServiceProvider.getItmManager();
 453         synchronized (macAddress) {
 454             logger.info("Acquired lock for mac : " + macAddress + "Proceeding with install operation.");
 455             setupKnownSmacFlow(elanInfo, interfaceInfo, macTimeout, macAddress, mdsalApiManager);
 456             setupTermDmacFlows(interfaceInfo, itmManager);
 457             setupOrigDmacFlows(elanInfo, interfaceInfo, macAddress, mdsalApiManager, broker);
 458         }
 459     }
 460
 461     public static void setupDMacFlowonRemoteDpn(ElanInstance elanInfo, InterfaceInfo interfaceInfo, BigInteger dstDpId,
 462                                      String macAddress) {
 463         synchronized (macAddress) {
 464             logger.info("Acquired lock for mac : " + macAddress + "Proceeding with install operation.");
 465             setupOrigDmacFlowsonRemoteDpn(elanInfo, interfaceInfo, dstDpId, macAddress);
 466         }
 467     }
 468
 469
 470     private static void setupKnownSmacFlow(ElanInstance elanInfo, InterfaceInfo interfaceInfo, long macTimeout,
 471                                            String macAddress, IMdsalApiManager mdsalApiManager) {
 472         FlowEntity flowEntity = getKnownSmacFlowEntity(elanInfo, interfaceInfo, macTimeout, macAddress);
 473         mdsalApiManager.installFlow(flowEntity);
 474         if (logger.isDebugEnabled()) {
 475             logger.debug("Known Smac flow entry created for elan Name:{}, logical Interface port:{} and mac address:{}", elanInfo.getElanInstanceName(), elanInfo.getDescription(), macAddress);
 476         }
 477     }
 478
 479     private static FlowEntity getKnownSmacFlowEntity(ElanInstance elanInfo, InterfaceInfo interfaceInfo, long macTimeout, String macAddress) {
 480         BigInteger dpId = interfaceInfo.getDpId();
 481         int lportTag = interfaceInfo.getInterfaceTag();
 482         long elanTag = elanInfo.getElanTag();
 483         // Matching metadata and eth_src fields
 484         List<MatchInfo> mkMatches = new ArrayList<MatchInfo>();
 485         mkMatches.add(new MatchInfo(MatchFieldType.metadata, new BigInteger[] {
 486                 ElanUtils.getElanMetadataLabel(elanInfo.getElanTag(), lportTag),
 487                 ElanUtils.getElanMetadataMask() }));
 488         mkMatches.add(new MatchInfo(MatchFieldType.eth_src, new String[] { macAddress }));
 489         List<InstructionInfo> mkInstructions = new ArrayList<InstructionInfo>();
 490         mkInstructions.add(new InstructionInfo(InstructionType.goto_table, new long[] { ElanConstants.ELAN_DMAC_TABLE }));
 491
 492         FlowEntity flowEntity = MDSALUtil.buildFlowEntity(dpId, ElanConstants.ELAN_SMAC_TABLE,
 493                 getKnownDynamicmacFlowRef(ElanConstants.ELAN_SMAC_TABLE, dpId, lportTag, macAddress, elanTag),
 494                 20, elanInfo.getDescription(), (int)macTimeout, 0, ElanConstants.COOKIE_ELAN_KNOWN_SMAC.add(BigInteger.valueOf(elanTag)),
 495                 mkMatches, mkInstructions);
 496         flowEntity.setStrictFlag(true);
 497         flowEntity.setSendFlowRemFlag(macTimeout != 0); //If Mac timeout is 0, the flow wont be deleted automatically, so no need to get notified
 498         return flowEntity;
 499     }
 500
 501     private static void setupTermDmacFlows(InterfaceInfo interfaceInfo, IITMProvider itmManager) {
 502         BigInteger dpId = interfaceInfo.getDpId();
 503         long lportGroupId = interfaceInfo.getGroupId();
 504         int lportTag = interfaceInfo.getInterfaceTag();
 505         List <ActionInfo> actionsInfos = new ArrayList <ActionInfo> ();
 506         actionsInfos = getEgressActionsForInterface(interfaceInfo.getInterfaceName());
 507
 508         //FIXME [ELANBE] ITM Service API to invoke Terminating Service
 509         //itmManager.createTerminatingServiceActions(dpId, lportTag, actionsInfos);
 510         if (logger.isDebugEnabled()) {
 511             logger.debug("Terminating service table flow entry created on dpn:{} for logical Interface port:{}", dpId, interfaceInfo.getPortName());
 512         }
 513     }
 514
 515     public static List<ActionInfo> getEgressActionsForInterface(String ifName) {
 516         List<ActionInfo> listActionInfo = new ArrayList<ActionInfo>();
 517         try {
 518             Future<RpcResult<GetEgressActionsForInterfaceOutput>> result =
 519                     elanServiceProvider.getInterfaceManagerRpcService().getEgressActionsForInterface(
 520                             new GetEgressActionsForInterfaceInputBuilder().setIntfName(ifName).build());
 521             RpcResult<GetEgressActionsForInterfaceOutput> rpcResult = result.get();
 522             System.out.println("Data is populated");
 523             if(!rpcResult.isSuccessful()) {
 524                 logger.warn("RPC Call to Get egress actions for interface {} returned with Errors {}", ifName, rpcResult.getErrors());
 525             } else {
 526                 List<org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.list.Action> actions =
 527                         rpcResult.getResult().getAction();
 528                 for (Action action : actions) {
 529                     org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.Action actionClass = action.getAction();
 530                     if (actionClass instanceof OutputActionCase) {
 531                         System.out.println("Data ");
 532                         listActionInfo.add(new ActionInfo(ActionType.output,
 533                                 new String[] {((OutputActionCase)actionClass).getOutputAction()
 534                                         .getOutputNodeConnector().getValue()}));
 535                     } else if (actionClass instanceof PushVlanActionCase) {
 536                         listActionInfo.add(new ActionInfo(ActionType.push_vlan, new String[] {}));
 537                     } else if (actionClass instanceof SetFieldCase) {
 538                         if (((SetFieldCase)actionClass).getSetField().getVlanMatch() != null) {
 539                             int vlanVid = ((SetFieldCase)actionClass).getSetField().getVlanMatch().getVlanId().getVlanId().getValue();
 540                             listActionInfo.add(new ActionInfo(ActionType.set_field_vlan_vid,
 541                                     new String[] { Long.toString(vlanVid) }));
 542                         }
 543                     }
 544                 }
 545             }
 546         } catch (InterruptedException | ExecutionException e) {
 547             logger.warn("Exception when egress actions for interface {}", ifName, e);
 548         }
 549         return listActionInfo;
 550     }
 551
 552     private static void setupOrigDmacFlows(ElanInstance elanInfo, InterfaceInfo interfaceInfo, String macAddress,
 553                                            IMdsalApiManager mdsalApiManager, DataBroker broker) {
 554         BigInteger dpId = interfaceInfo.getDpId();
 555         String ifName = interfaceInfo.getInterfaceName();
 556         long ifTag = interfaceInfo.getInterfaceTag();
 557         long groupId = interfaceInfo.getGroupId();
 558         String elanInstanceName = elanInfo.getElanInstanceName();
 559         List<DpnInterfaces> remoteFEs = getInvolvedDpnsInElan(elanInstanceName);
 560         if(remoteFEs != null) {
 561             for (DpnInterfaces remoteFE : remoteFEs) {
 562                 Long elanTag = elanInfo.getElanTag();
 563                 if (remoteFE.getDpId().equals(dpId)) {
 564                     // On the local FE set up a direct output flow
 565                     setupLocalDmacFlow(elanTag, dpId, ifName, macAddress, elanInstanceName, mdsalApiManager, ifTag);
 566                     if (logger.isDebugEnabled()) {
 567                         logger.debug("Dmac flow entry created for elan Name:{}, logical port Name:{} and mac address:{} on dpn:{}", elanInstanceName, interfaceInfo.getPortName(), macAddress, dpId);
 568                     }
 569                 } else {
 570                     if (isDpnPresent(remoteFE.getDpId())) {
 571                         // Check for the Remote DPN present in Inventory Manager
 572                         setupRemoteDmacFlow(remoteFE.getDpId(), dpId, interfaceInfo.getInterfaceTag(), elanTag, macAddress, elanInstanceName);
 573                         if (logger.isDebugEnabled()) {
 574                             logger.debug("Dmac flow entry created for elan Name:{}, logical port Name:{} and mac address:{} on dpn:{}", elanInstanceName, interfaceInfo.getPortName(), macAddress, remoteFE.getDpId());
 575                         }
 576                     }
 577                 }
 578             }
 579         }
 580     }
 581
 582     private static void setupOrigDmacFlowsonRemoteDpn(ElanInstance elanInfo, InterfaceInfo interfaceInfo, BigInteger dstDpId, String macAddress) {
 583         BigInteger dpId = interfaceInfo.getDpId();
 584         String elanInstanceName = elanInfo.getElanInstanceName();
 585         List<DpnInterfaces> remoteFEs = getInvolvedDpnsInElan(elanInstanceName);
 586         for(DpnInterfaces remoteFE: remoteFEs) {
 587             Long elanTag = elanInfo.getElanTag();
 588             if (remoteFE.getDpId().equals(dstDpId)) {
 589                 // Check for the Remote DPN present in Inventory Manager
 590                 setupRemoteDmacFlow(dstDpId, dpId, interfaceInfo.getInterfaceTag(), elanTag, macAddress, elanInstanceName);
 591                 if (logger.isDebugEnabled()) {
 592                     logger.debug("Dmac flow entry created for elan Name:{}, logical port Name:{} and mac address {} on dpn:{}", elanInstanceName, interfaceInfo.getPortName(), macAddress, remoteFE.getDpId());
 593                 }
 594                 break;
 595             }
 596         }
 597     }
 598
 599
 600     @SuppressWarnings("unchecked")
 601     public static List<DpnInterfaces> getInvolvedDpnsInElan(String elanName) {
 602         List<DpnInterfaces> dpns = ElanInstanceManager.getElanInstanceManager().getElanDPNByName(elanName);
 603         return dpns;
 604     }
 605
 606     private static void setupLocalDmacFlow(long elanTag, BigInteger dpId, String ifName, String macAddress,
 607                                            String displayName, IMdsalApiManager mdsalApiManager, long ifTag) {
 608         FlowEntity flowEntity = getLocalDmacFlowEntry(elanTag, dpId, ifName, macAddress, displayName, ifTag);
 609         mdsalApiManager.installFlow(flowEntity);
 610
 611     }
 612
 613     public static String getKnownDynamicmacFlowRef(short tableId, BigInteger dpId, long lporTag, String macAddress, long elanTag) {
 614         return new StringBuffer().append(tableId).append(elanTag).append(dpId).append(lporTag).append(macAddress).toString();
 615     }
 616
 617     public static String getKnownDynamicmacFlowRef(short tableId, BigInteger dpId, BigInteger remoteDpId, String macAddress, long elanTag) {
 618         return new StringBuffer().append(tableId).append(elanTag).append(dpId).append(remoteDpId).append(macAddress).toString();
 619     }
 620
 621     public static FlowEntity getLocalDmacFlowEntry(long elanTag, BigInteger dpId, String ifName, String macAddress,
 622                                                    String displayName, long ifTag) {
 623         List<MatchInfo> mkMatches = new ArrayList<MatchInfo>();
 624         mkMatches.add(new MatchInfo(MatchFieldType.metadata, new BigInteger[] {
 625                 ElanUtils.getElanMetadataLabel(elanTag),
 626                 MetaDataUtil.METADATA_MASK_SERVICE }));
 627         mkMatches.add(new MatchInfo(MatchFieldType.eth_dst, new String[] { macAddress }));
 628
 629         List<InstructionInfo> mkInstructions = new ArrayList<InstructionInfo>();
 630         List <ActionInfo> actionsInfos = new ArrayList <ActionInfo> ();
 631         actionsInfos.addAll(getEgressActionsForInterface(ifName));
 632         mkInstructions.add(new InstructionInfo(InstructionType.write_actions, actionsInfos));
 633
 634         FlowEntity flowEntity = MDSALUtil.buildFlowEntity(dpId, ElanConstants.ELAN_DMAC_TABLE,
 635                 getKnownDynamicmacFlowRef(ElanConstants.ELAN_DMAC_TABLE, dpId, ifTag, macAddress, elanTag),
 636                 20, displayName, 0, 0, ElanConstants.COOKIE_ELAN_KNOWN_DMAC.add(BigInteger.valueOf(elanTag)),
 637                 mkMatches, mkInstructions);
 638         return flowEntity;
 639     }
 640
 641     public static void setupRemoteDmacFlow(BigInteger srcDpId, BigInteger destDpId, int lportTag, long elanTag, String macAddress,
 642                                            String displayName) {
 643         IMdsalApiManager mdsalApiManager = elanServiceProvider.getMdsalManager();
 644         FlowEntity flowEntity = getRemoteDmacFlowEntry(srcDpId, destDpId, lportTag, elanTag, macAddress, displayName);
 645         mdsalApiManager.installFlow(flowEntity);
 646     }
 647
 648     public static FlowEntity getRemoteDmacFlowEntry(BigInteger srcDpId, BigInteger destDpId, int lportTag, long elanTag,
 649                                                     String macAddress, String displayName) {
 650         IITMProvider itmManager = elanServiceProvider.getItmManager();
 651         List<MatchInfo> mkMatches = new ArrayList<MatchInfo>();
 652         mkMatches.add(new MatchInfo(MatchFieldType.metadata, new BigInteger[]{
 653                 ElanUtils.getElanMetadataLabel(elanTag),
 654                 MetaDataUtil.METADATA_MASK_SERVICE }));
 655         mkMatches.add(new MatchInfo(MatchFieldType.eth_dst, new String[] { macAddress }));
 656
 657         List<InstructionInfo> mkInstructions = new ArrayList<InstructionInfo>();
 658         //List of ActionInfo for the provided Source and Destination DPIDs
 659         try {
 660             //FIXME [ELANBE] Removing ITM API for now, will need this for multi dpn.
 661             //List<ActionInfo> actionsInfos = itmManager.ITMIngressGetActions(srcDpId, destDpId, lportTag);
 662             //mkInstructions.add(new InstructionInfo(InstructionType.write_actions, actionsInfos));
 663         } catch (Exception e) {
 664             logger.error("Interface Not Found exception");
 665         }
 666
 667         FlowEntity flowEntity = MDSALUtil.buildFlowEntity(srcDpId, ElanConstants.ELAN_DMAC_TABLE,
 668                 getKnownDynamicmacFlowRef(ElanConstants.ELAN_DMAC_TABLE, srcDpId, destDpId, macAddress, elanTag),
 669                 20, displayName, 0, 0, ElanConstants.COOKIE_ELAN_KNOWN_DMAC.add(BigInteger.valueOf(elanTag)),
 670                 mkMatches, mkInstructions);
 671         return flowEntity;
 672     }
 673
 674     public static void deleteMacFlows(ElanInstance elanInfo, InterfaceInfo interfaceInfo, MacEntry macEntry) {
 675         if (elanInfo == null || interfaceInfo == null) {
 676             return;
 677         }
 678         String macAddress = macEntry.getMacAddress().getValue();
 679         synchronized (macAddress) {
 680             logger.info("Acquired lock for mac : " + macAddress + "Proceeding with remove operation.");
 681             deleteMacFlows(elanInfo, interfaceInfo,  macAddress, true);
 682         }
 683     }
 684
 685     public static void deleteMacFlows(ElanInstance elanInfo, InterfaceInfo interfaceInfo, String macAddress, boolean deleteSmac) {
 686         String elanInstanceName = elanInfo.getElanInstanceName();
 687         String ifName = interfaceInfo.getInterfaceName();
 688         long ifTag = interfaceInfo.getInterfaceTag();
 689         List<DpnInterfaces> remoteFEs = getInvolvedDpnsInElan(elanInstanceName);
 690         IMdsalApiManager mdsalApiManager = elanServiceProvider.getMdsalManager();
 691         IITMProvider itmManager = elanServiceProvider.getItmManager();
 692         BigInteger srcdpId = interfaceInfo.getDpId();
 693         String displayName = elanInstanceName;
 694         long groupId = interfaceInfo.getGroupId();
 695         for (DpnInterfaces dpnInterface: remoteFEs) {
 696             Long elanTag = elanInfo.getElanTag();
 697             if (dpnInterface.getDpId().equals(srcdpId)) {
 698                 if(deleteSmac) {
 699                     mdsalApiManager.removeFlow(getKnownSmacFlowEntity(elanInfo, interfaceInfo, 0, macAddress));
 700                 }
 701                 mdsalApiManager.removeFlow(getLocalDmacFlowEntry(elanTag, dpnInterface.getDpId(), ifName, macAddress, displayName, ifTag));
 702
 703                 //FIXME [ELANBE] Removing ITM API for now, will need this for multi dpn.
 704                 //itmManager.removeTerminatingServiceAction(dpnInterface.getDpId(), interfaceInfo.getInterfaceTag());
 705                   if (logger.isDebugEnabled()) {
 706                     logger.debug("All the required flows deleted for elan:{}, logical Interface port:{} and mac address:{} on dpn:{}", elanInstanceName, interfaceInfo.getPortName(), macAddress, dpnInterface.getDpId());
 707                 }
 708             } else if (isDpnPresent(dpnInterface.getDpId())) {
 709                 mdsalApiManager.removeFlow(
 710                         getRemoteDmacFlowEntry(dpnInterface.getDpId(), srcdpId, interfaceInfo.getInterfaceTag(), elanTag, macAddress,
 711                                 displayName));
 712                 if (logger.isDebugEnabled()) {
 713                     logger.debug("Dmac flow entry deleted for elan:{}, logical interface port:{} and mac address:{} on dpn:{}", elanInstanceName, interfaceInfo.getPortName(), macAddress, dpnInterface.getDpId());
 714                 }
 715             }
 716         }
 717     }
 718
 719     public static void UpdateOperationalDataStore(DataBroker broker, IdManagerService idManager, ElanInstance elanInstanceAdded) {
 720         String elanInstanceName = elanInstanceAdded.getElanInstanceName();
 721         long elanTag = ElanUtils.getUniqueId(idManager, ElanConstants.ELAN_ID_POOL_NAME, elanInstanceName);
 722         Elan elanInfo = new ElanBuilder().setName(elanInstanceName).setKey(new ElanKey(elanInstanceName)).build();
 723         //Add the ElanState in the elan-state operational data-store
 724         MDSALUtil.syncWrite(broker, LogicalDatastoreType.OPERATIONAL, ElanUtils.getElanInstanceOperationalDataPath(elanInstanceName), elanInfo);
 725         //Add the ElanMacTable in the elan-mac-table operational data-store
 726         MacTable elanMacTable = new MacTableBuilder().setKey(new MacTableKey(elanInstanceName)).build();
 727         MDSALUtil.syncWrite(broker, LogicalDatastoreType.OPERATIONAL, ElanUtils.getElanMacTableOperationalDataPath(elanInstanceName), elanMacTable);
 728         ElanTagName elanTagName = new ElanTagNameBuilder().setElanTag(elanTag).setKey(new ElanTagNameKey(elanTag)).setName(elanInstanceName).build();
 729         //Add the ElanTag to ElanName in the elan-tag-name Operational data-store
 730         MDSALUtil.syncWrite(broker, LogicalDatastoreType.OPERATIONAL, ElanUtils.getElanInfoEntriesOperationalDataPath(elanTag), elanTagName);
 731         ElanInstance elanInstanceWithTag = new ElanInstanceBuilder().setElanInstanceName(elanInstanceName).setDescription(elanInstanceAdded.getDescription()).setMacTimeout(elanInstanceAdded
 732                 .getMacTimeout() == null ? ElanConstants.DEFAULT_MAC_TIME_OUT : elanInstanceAdded.getMacTimeout()).setKey(elanInstanceAdded.getKey()).setElanTag(elanTag).build();
 733         MDSALUtil.syncUpdate(broker, LogicalDatastoreType.CONFIGURATION, getElanInstanceIdentifier(elanInstanceName), elanInstanceWithTag);
 734     }
 735
 736     public static boolean isDpnPresent(BigInteger dpnId) {
 737         DataBroker broker = elanServiceProvider.getBroker();
 738         boolean isPresent = false;
 739         String dpn = String.format("%s:%s", "openflow",dpnId);
 740         NodeId nodeId = new NodeId(dpn);
 741         InstanceIdentifier<Node> node = InstanceIdentifier.builder(Nodes.class).child(Node.class, new NodeKey(nodeId)).build();
 742         Optional<Node> nodePresent = read(broker, LogicalDatastoreType.OPERATIONAL, node);
 743         if(nodePresent.isPresent()) {
 744             isPresent = true;
 745         }
 746         return isPresent;
 747     }
 748
 749     public static ServicesInfo getServiceInfo(String elanInstanceName, long elanTag, String interfaceName) {
 750         int priority = ElanConstants.ELAN_SERVICE_PRIORITY;
 751         int instructionKey = 0;
 752         List<Instruction> instructions = new ArrayList<Instruction>();
 753         instructions.add(MDSALUtil.buildAndGetWriteMetadaInstruction(ElanUtils.getElanMetadataLabel(elanTag), MetaDataUtil.METADATA_MASK_SERVICE, ++instructionKey));
 754         instructions.add(MDSALUtil.buildAndGetGotoTableInstruction(ElanConstants.ELAN_SMAC_TABLE, ++instructionKey));
 755
 756         ServicesInfo serviceInfo = InterfaceServiceUtil.buildServiceInfo(String.format("%s.%s", elanInstanceName, interfaceName), ElanConstants.ELAN_SERVICE_INDEX,
 757                 priority, ElanConstants.COOKIE_ELAN_INGRESS_TABLE, instructions);
 758         return serviceInfo;
 759     }
 760
 761     public static <T extends DataObject> void delete(DataBroker broker, LogicalDatastoreType datastoreType,
 762                                               InstanceIdentifier<T> path, FutureCallback<Void> callback) {
 763         WriteTransaction tx = broker.newWriteOnlyTransaction();
 764         tx.delete(datastoreType, path);
 765         Futures.addCallback(tx.submit(), callback);
 766     }
 767
 768     public static <T extends DataObject> void syncWrite(DataBroker broker, LogicalDatastoreType datastoreType,
 769                                                         InstanceIdentifier<T> path, T data) {
 770         WriteTransaction tx = broker.newWriteOnlyTransaction();
 771         tx.put(datastoreType, path, data, true);
 772         CheckedFuture<Void, TransactionCommitFailedException> futures = tx.submit();
 773         try {
 774             futures.get();
 775         } catch (InterruptedException | ExecutionException e) {
 776             logger.error("Error writing to datastore (path, data) : ({}, {})", path, data);
 777             throw new RuntimeException(e.getMessage());
 778         }
 779     }
 780
 781
 782     public static BoundServices getBoundServices(String serviceName, short servicePriority, int flowPriority,
 783                                                  BigInteger cookie, List<Instruction> instructions) {
 784         StypeOpenflowBuilder augBuilder = new StypeOpenflowBuilder().setFlowCookie(cookie).setFlowPriority(flowPriority).setInstruction(instructions);
 785         return new BoundServicesBuilder().setKey(new BoundServicesKey(servicePriority))
 786                 .setServiceName(serviceName).setServicePriority(servicePriority)
 787                 .setServiceType(ServiceTypeFlowBased.class).addAugmentation(StypeOpenflow.class, augBuilder.build()).build();
 788     }
 789
 790     public static InstanceIdentifier<BoundServices> buildServiceId(String vpnInterfaceName, short serviceIndex) {
 791         return InstanceIdentifier.builder(ServiceBindings.class).child(ServicesInfo.class, new ServicesInfoKey(vpnInterfaceName))
 792                 .child(BoundServices.class, new BoundServicesKey(serviceIndex)).build();
 793     }
 794
 795 }