interfacemanager/interfacemanager-impl/src/main/java/org/opendaylight/genius/interfacemanager/IfmUtil.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.genius.interfacemanager;
   9
  10 import com.google.common.base.Optional;
  11 import com.google.common.collect.ImmutableMap;
  12 import java.math.BigInteger;
  13 import java.util.ArrayList;
  14 import java.util.List;
  15 import java.util.concurrent.ExecutionException;
  16 import java.util.concurrent.Future;
  17 import com.google.common.util.concurrent.ListenableFuture;
  18 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  19 import org.opendaylight.controller.md.sal.binding.api.ReadOnlyTransaction;
  20 import org.opendaylight.controller.md.sal.binding.api.WriteTransaction;
  21 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  22 import org.opendaylight.genius.datastoreutils.DataStoreJobCoordinator;
  23 import org.opendaylight.genius.interfacemanager.commons.InterfaceManagerCommonUtils;
  24 import org.opendaylight.genius.interfacemanager.globals.InterfaceInfo;
  25 import org.opendaylight.genius.interfacemanager.globals.VlanInterfaceInfo;
  26 import org.opendaylight.genius.interfacemanager.servicebindings.flowbased.utilities.FlowBasedServicesUtils;
  27 import org.opendaylight.genius.mdsalutil.ActionType;
  28 import org.opendaylight.genius.mdsalutil.ActionInfo;
  29 import org.opendaylight.genius.mdsalutil.MDSALUtil;
  30 import org.opendaylight.genius.mdsalutil.MetaDataUtil;
  31 import org.opendaylight.genius.mdsalutil.NwConstants;
  32 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.iana._if.type.rev140508.L2vlan;
  33 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.iana._if.type.rev140508.Tunnel;
  34 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.Interfaces;
  35 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.InterfacesState;
  36 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.Interface;
  37 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.InterfaceKey;
  38 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.list.Action;
  39 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNodeConnector;
  40 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.instruction.instruction.WriteMetadataCase;
  41 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.instruction.instruction.write.metadata._case.WriteMetadata;
  42 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.instruction.list.Instruction;
  43 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.idmanager.rev160406.AllocateIdInput;
  44 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.idmanager.rev160406.AllocateIdInputBuilder;
  45 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.idmanager.rev160406.AllocateIdOutput;
  46 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.idmanager.rev160406.IdManagerService;
  47 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.idmanager.rev160406.IdPools;
  48 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.idmanager.rev160406.ReleaseIdInput;
  49 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.idmanager.rev160406.ReleaseIdInputBuilder;
  50 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.idmanager.rev160406.id.pools.IdPool;
  51 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.idmanager.rev160406.id.pools.IdPoolKey;
  52 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.rev160406.IfL2vlan;
  53 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.rev160406.IfL2vlan.L2vlanMode;
  54 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.rev160406.IfTunnel;
  55 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.rev160406.ParentRefs;
  56 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.rev160406.TunnelTypeBase;
  57 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.rev160406.TunnelTypeGre;
  58 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.rev160406.TunnelTypeMplsOverGre;
  59 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.rev160406.TunnelTypeVxlan;
  60 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.rev160406.TunnelTypeVxlanGpe;
  61 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.servicebinding.rev160406.ServiceBindings;
  62 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.servicebinding.rev160406.ServiceModeBase;
  63 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.servicebinding.rev160406.service.bindings.ServicesInfo;
  64 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.servicebinding.rev160406.service.bindings.ServicesInfoKey;
  65 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.servicebinding.rev160406.service.bindings.services.info.BoundServices;
  66 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.servicebinding.rev160406.service.bindings.services.info.BoundServicesKey;
  67 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeConnectorId;
  68 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeId;
  69 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.Nodes;
  70 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.node.NodeConnector;
  71 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.node.NodeConnectorKey;
  72 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node;
  73 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.NodeKey;
  74 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.DatapathId;
  75 import org.opendaylight.yangtools.yang.binding.DataObject;
  76 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  77 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier.InstanceIdentifierBuilder;
  78 import org.opendaylight.yangtools.yang.common.RpcResult;
  79 import org.slf4j.Logger;
  80 import org.slf4j.LoggerFactory;
  81
  82 import static org.opendaylight.genius.interfacemanager.globals.InterfaceInfo.InterfaceType.VLAN_INTERFACE;
  83
  84 public class IfmUtil {
  85     private static final Logger LOG = LoggerFactory.getLogger(IfmUtil.class);
  86     private static final int INVALID_ID = 0;
  87
  88     private static final ImmutableMap<Class<? extends TunnelTypeBase>, InterfaceInfo.InterfaceType> TUNNEL_TYPE_MAP =
  89             new ImmutableMap.Builder<Class<? extends TunnelTypeBase>, InterfaceInfo.InterfaceType>()
  90                     .put(TunnelTypeGre.class, InterfaceInfo.InterfaceType.GRE_TRUNK_INTERFACE)
  91                     .put(TunnelTypeMplsOverGre.class, InterfaceInfo.InterfaceType.MPLS_OVER_GRE)
  92                     .put(TunnelTypeVxlan.class, InterfaceInfo.InterfaceType.VXLAN_TRUNK_INTERFACE)
  93                     .put(TunnelTypeVxlanGpe.class, InterfaceInfo.InterfaceType.VXLAN_TRUNK_INTERFACE)
  94                     .build();
  95
  96     public static String getDpnFromNodeConnectorId(NodeConnectorId portId) {
  97         /*
  98          * NodeConnectorId is of form 'openflow:dpnid:portnum'
  99          */
 100         String[] split = portId.getValue().split(IfmConstants.OF_URI_SEPARATOR);
 101         return split[1];
 102     }
 103
 104     public static BigInteger getDpnFromInterface(org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface ifState){
 105         NodeConnectorId ncId = getNodeConnectorIdFromInterface(ifState);
 106         if(ncId != null){
 107             return new BigInteger(getDpnFromNodeConnectorId(ncId));
 108         }
 109         return null;
 110     }
 111     public static String getPortNoFromInterfaceName(String ifaceName, DataBroker broker) {
 112         org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface ifState =
 113                 InterfaceManagerCommonUtils.getInterfaceStateFromOperDS(ifaceName, broker);
 114
 115         if(ifState == null){
 116             throw new NullPointerException("Interface information not present in oper DS for " +ifaceName);
 117         }
 118         String lowerLayerIf = ifState.getLowerLayerIf().get(0);
 119         NodeConnectorId nodeConnectorId = new NodeConnectorId(lowerLayerIf);
 120         String portNo = IfmUtil.getPortNoFromNodeConnectorId(nodeConnectorId);
 121
 122         return portNo;
 123     }
 124
 125     public static String getPortNoFromNodeConnectorId(NodeConnectorId portId) {
 126         /*
 127          * NodeConnectorId is of form 'openflow:dpnid:portnum'
 128          */
 129         String[] split = portId.getValue().split(IfmConstants.OF_URI_SEPARATOR);
 130         return split[2];
 131     }
 132
 133     public static NodeId buildDpnNodeId(BigInteger dpnId) {
 134         return new NodeId(IfmConstants.OF_URI_PREFIX + dpnId);
 135     }
 136
 137     public static InstanceIdentifier<Interface> buildId(String interfaceName) {
 138         //TODO Make this generic and move to AbstractDataChangeListener or Utils.
 139         InstanceIdentifierBuilder<Interface> idBuilder =
 140                 InstanceIdentifier.builder(Interfaces.class).child(Interface.class, new InterfaceKey(interfaceName));
 141         InstanceIdentifier<Interface> id = idBuilder.build();
 142         return id;
 143     }
 144
 145     public static InstanceIdentifier<org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface> buildStateInterfaceId(String interfaceName) {
 146         InstanceIdentifierBuilder<org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface> idBuilder =
 147                 InstanceIdentifier.builder(InterfacesState.class)
 148                         .child(org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface.class,
 149                                 new org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.InterfaceKey(interfaceName));
 150         InstanceIdentifier<org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface> id = idBuilder.build();
 151         return id;
 152     }
 153
 154     public static org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.InterfaceKey getStateInterfaceKeyFromName(
 155             String name) {
 156         return new org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.InterfaceKey(name);
 157     }
 158
 159     public static InstanceIdentifier<IdPool> getPoolId(String poolName){
 160         InstanceIdentifier.InstanceIdentifierBuilder<IdPool> idBuilder =
 161                 InstanceIdentifier.builder(IdPools.class).child(IdPool.class, new IdPoolKey(poolName));
 162         InstanceIdentifier<IdPool> id = idBuilder.build();
 163         return id;
 164     }
 165
 166     public static List<String> getPortNameAndSuffixFromInterfaceName(String intfName) {
 167         List<String> strList = new ArrayList<>(2);
 168         int index = intfName.indexOf(":");
 169         if (index != -1) {
 170             strList.add(0, intfName.substring(0, index));
 171             strList.add(1, intfName.substring(index));
 172         }
 173         return strList;
 174     }
 175
 176     public static long getGroupId(long ifIndex, InterfaceInfo.InterfaceType infType) {
 177         if (infType == InterfaceInfo.InterfaceType.LOGICAL_GROUP_INTERFACE) {
 178             return ifIndex + IfmConstants.LOGICAL_GROUP_START;
 179         }
 180         else if (infType == VLAN_INTERFACE) {
 181             return ifIndex + IfmConstants.VLAN_GROUP_START;
 182         } else {
 183             return ifIndex + IfmConstants.TRUNK_GROUP_START;
 184         }
 185     }
 186
 187     public static List<String> getDpIdPortNameAndSuffixFromInterfaceName(String intfName) {
 188         List<String> strList = new ArrayList<>(3);
 189         int index1 = intfName.indexOf(":");
 190         if (index1 != -1) {
 191             int index2 = intfName.indexOf(":", index1 + 1 );
 192             strList.add(0, intfName.substring(0, index1));
 193             if (index2 != -1) {
 194                 strList.add(1, intfName.substring(index1, index2));
 195                 strList.add(2, intfName.substring(index2));
 196             } else {
 197                 strList.add(1, intfName.substring(index1));
 198                 strList.add(2, "");
 199             }
 200         }
 201         return strList;
 202     }
 203
 204     public static <T extends DataObject> Optional<T> read(LogicalDatastoreType datastoreType,
 205                                                           InstanceIdentifier<T> path, DataBroker broker) {
 206
 207         ReadOnlyTransaction tx = broker.newReadOnlyTransaction();
 208
 209         Optional<T> result = Optional.absent();
 210         try {
 211             result = tx.read(datastoreType, path).get();
 212         } catch (Exception e) {
 213             throw new RuntimeException(e);
 214         }
 215
 216         return result;
 217     }
 218
 219     public static List<Action> getEgressActionsForInterface(String interfaceName, Long tunnelKey,
 220                                                             DataBroker dataBroker, Boolean isDefaultEgress) {
 221         List<ActionInfo> listActionInfo = getEgressActionInfosForInterface(interfaceName, tunnelKey, 0, dataBroker, isDefaultEgress);
 222         List<Action> actionsList = new ArrayList<>();
 223         for (ActionInfo actionInfo : listActionInfo) {
 224             actionsList.add(actionInfo.buildAction());
 225         }
 226         return actionsList;
 227     }
 228
 229     public static List<Instruction> getEgressInstructionsForInterface(String interfaceName, Long tunnelKey,
 230                                                                       DataBroker dataBroker, Boolean isDefaultEgress) {
 231         List<Instruction> instructions = new ArrayList<>();
 232         List<Action> actionList = MDSALUtil.buildActions(getEgressActionInfosForInterface(
 233                 interfaceName, tunnelKey, 0, dataBroker, isDefaultEgress));
 234         instructions.add(MDSALUtil.buildWriteActionsInstruction(actionList));
 235         return  instructions;
 236     }
 237
 238     public static List<Instruction> getEgressInstructionsForInterface(Interface interfaceInfo, String portNo,
 239                                                                       Long tunnelKey, boolean isDefaultEgress, int ifIndex) {
 240         List<Instruction> instructions = new ArrayList<>();
 241         InterfaceInfo.InterfaceType ifaceType = getInterfaceType(interfaceInfo);
 242         List<Action> actionList = MDSALUtil.buildActions(
 243                 getEgressActionInfosForInterface(interfaceInfo, portNo, ifaceType, tunnelKey, 0, isDefaultEgress, ifIndex));
 244         instructions.add(MDSALUtil.buildApplyActionsInstruction(actionList));
 245         return  instructions;
 246     }
 247
 248
 249     public static List<ActionInfo> getEgressActionInfosForInterface(String     interfaceName,
 250                                                                     int        actionKeyStart,
 251                                                                     DataBroker dataBroker,
 252                                                                     Boolean isDefaultEgress) {
 253         return getEgressActionInfosForInterface(interfaceName, null, actionKeyStart, dataBroker, isDefaultEgress);
 254     }
 255
 256     /**
 257      * Returns a list of Actions to be taken when sending a packet over an interface
 258      *
 259      * @param interfaceName
 260      * @param tunnelKey Optional.
 261      * @param actionKeyStart
 262      * @param dataBroker
 263      * @return
 264      */
 265     public static List<ActionInfo> getEgressActionInfosForInterface(String     interfaceName,
 266                                                                     Long       tunnelKey,
 267                                                                     int        actionKeyStart,
 268                                                                     DataBroker dataBroker,
 269                                                                     Boolean isDefaultEgress) {
 270         Interface interfaceInfo = InterfaceManagerCommonUtils.getInterfaceFromConfigDS(new InterfaceKey(interfaceName),
 271                 dataBroker);
 272         if(interfaceInfo == null){
 273             throw new NullPointerException("Interface information not present in config DS for " +interfaceName);
 274         }
 275         org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface ifState =
 276                 InterfaceManagerCommonUtils.getInterfaceStateFromOperDS(interfaceName, dataBroker);
 277         if(ifState == null){
 278             throw new NullPointerException("Interface information not present in oper DS for " +interfaceName);
 279         }
 280         String lowerLayerIf = ifState.getLowerLayerIf().get(0);
 281         NodeConnectorId nodeConnectorId = new NodeConnectorId(lowerLayerIf);
 282         String portNo = IfmUtil.getPortNoFromNodeConnectorId(nodeConnectorId);
 283
 284         InterfaceInfo.InterfaceType ifaceType = getInterfaceType(interfaceInfo);
 285         return getEgressActionInfosForInterface(interfaceInfo, portNo, ifaceType, tunnelKey, actionKeyStart,
 286                 isDefaultEgress, ifState.getIfIndex());
 287     }
 288
 289
 290     public static List<ActionInfo> getEgressActionInfosForInterface(Interface interfaceInfo,
 291                                                                     String portNo,
 292                                                                     InterfaceInfo.InterfaceType ifaceType,
 293                                                                     Long       tunnelKey,
 294                                                                     int        actionKeyStart,
 295                                                                     boolean isDefaultEgress,
 296                                                                     int ifIndex) {
 297         List<ActionInfo> result = new ArrayList<>();
 298         switch (ifaceType) {
 299             case VLAN_INTERFACE:
 300                 if(isDefaultEgress) {
 301                     IfL2vlan vlanIface = interfaceInfo.getAugmentation(IfL2vlan.class);
 302                     LOG.trace("L2Vlan: {}", vlanIface);
 303                     boolean isVlanTransparent = false;
 304                     long vlanVid = 0;
 305                     if (vlanIface != null) {
 306                         vlanVid = vlanIface.getVlanId() == null ? 0 : vlanIface.getVlanId().getValue();
 307                         isVlanTransparent = vlanIface.getL2vlanMode() == IfL2vlan.L2vlanMode.Transparent;
 308                     }
 309                     if (vlanVid != 0 && !isVlanTransparent) {
 310                         result.add(new ActionInfo(ActionType.push_vlan, new String[]{}, actionKeyStart++));
 311                         result.add(new ActionInfo(ActionType.set_field_vlan_vid,
 312                                 new String[]{Long.toString(vlanVid)}, actionKeyStart++));
 313                     }
 314                     result.add(new ActionInfo(ActionType.output, new String[]{portNo}, actionKeyStart++));
 315                 }else{
 316                     long regValue = MetaDataUtil.getReg6ValueForLPortDispatcher(ifIndex, NwConstants.DEFAULT_SERVICE_INDEX);
 317                     result.add(new ActionInfo(ActionType.nx_load_reg_6,
 318                             new String[]{Integer.toString(IfmConstants.REG6_START_INDEX), Integer.toString(IfmConstants.REG6_END_INDEX),
 319                                     Long.toString(regValue)}, actionKeyStart++));
 320                     result.add(new ActionInfo(ActionType.nx_resubmit,
 321                             new String[]{Short.toString(NwConstants.EGRESS_LPORT_DISPATCHER_TABLE)}, actionKeyStart++));
 322                 }
 323                 break;
 324             case MPLS_OVER_GRE:
 325             case VXLAN_TRUNK_INTERFACE:
 326             case GRE_TRUNK_INTERFACE:
 327                 if (tunnelKey != null) {
 328                     result.add(new ActionInfo(ActionType.set_field_tunnel_id,
 329                             new BigInteger[]{BigInteger.valueOf(tunnelKey.longValue())},
 330                             actionKeyStart++));
 331                 }
 332
 333                 result.add(new ActionInfo(ActionType.output, new String[]{portNo}, actionKeyStart++));
 334                 break;
 335
 336             default:
 337                 LOG.warn("Interface Type {} not handled yet", ifaceType);
 338                 break;
 339         }
 340         return result;
 341     }
 342
 343     public static NodeId getNodeIdFromNodeConnectorId(NodeConnectorId ncId) {
 344         return new NodeId(ncId.getValue().substring(0,ncId.getValue().lastIndexOf(":")));
 345     }
 346
 347     public static BigInteger[] mergeOpenflowMetadataWriteInstructions(List<Instruction> instructions) {
 348         BigInteger metadata = new BigInteger("0", 16);
 349         BigInteger metadataMask = new BigInteger("0", 16);
 350         if (instructions != null && !instructions.isEmpty()) {
 351             // check if metadata write instruction is present
 352             for (Instruction instruction : instructions) {
 353                 org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.instruction.Instruction actualInstruction = instruction.getInstruction();
 354                 if (actualInstruction instanceof WriteMetadataCase) {
 355                     WriteMetadataCase writeMetaDataInstruction = (WriteMetadataCase) actualInstruction ;
 356                     WriteMetadata availableMetaData = writeMetaDataInstruction.getWriteMetadata();
 357                     metadata = metadata.or(availableMetaData.getMetadata());
 358                     metadataMask = metadataMask.or(availableMetaData.getMetadataMask());
 359                 }
 360             }
 361         }
 362         return new BigInteger[] { metadata, metadataMask };
 363     }
 364
 365     public static Integer allocateId(IdManagerService idManager, String poolName, String idKey) {
 366         AllocateIdInput getIdInput = new AllocateIdInputBuilder()
 367                 .setPoolName(poolName)
 368                 .setIdKey(idKey).build();
 369         try {
 370             Future<RpcResult<AllocateIdOutput>> result = idManager.allocateId(getIdInput);
 371             RpcResult<AllocateIdOutput> rpcResult = result.get();
 372             if(rpcResult.isSuccessful()) {
 373                 return rpcResult.getResult().getIdValue().intValue();
 374             } else {
 375                 LOG.warn("RPC Call to Get Unique Id returned with Errors {}", rpcResult.getErrors());
 376             }
 377         } catch (InterruptedException | ExecutionException e) {
 378             LOG.warn("Exception when getting Unique Id",e);
 379         }
 380         return INVALID_ID;
 381     }
 382
 383     public static void releaseId(IdManagerService idManager, String poolName, String idKey) {
 384         ReleaseIdInput idInput = new ReleaseIdInputBuilder()
 385                 .setPoolName(poolName)
 386                 .setIdKey(idKey).build();
 387         try {
 388             Future<RpcResult<Void>> result = idManager.releaseId(idInput);
 389             RpcResult<Void> rpcResult = result.get();
 390             if(!rpcResult.isSuccessful()) {
 391                 LOG.warn("RPC Call to release Id {} with Key {} returned with Errors {}",
 392                         idKey, rpcResult.getErrors());
 393             }
 394         } catch (InterruptedException | ExecutionException e) {
 395             LOG.warn("Exception when releasing Id for key {}", idKey, e);
 396         }
 397     }
 398
 399     public static BigInteger getDpnId(DatapathId datapathId){
 400         if (datapathId != null) {
 401             // Adding logs for a random issue spotted during datapath id conversion
 402             String dpIdStr = datapathId.getValue().replace(":", "");
 403             BigInteger dpnId =  new BigInteger(dpIdStr, 16);
 404             return dpnId;
 405         }
 406         return null;
 407     }
 408
 409     public static NodeConnectorId getNodeConnectorIdFromInterface(String interfaceName, DataBroker dataBroker) {
 410         return FlowBasedServicesUtils.getNodeConnectorIdFromInterface(interfaceName, dataBroker);
 411     }
 412
 413     public static String getPortName(DataBroker dataBroker, NodeConnectorId ncId){
 414         InstanceIdentifier<NodeConnector> ncIdentifier =
 415                 InstanceIdentifier.builder(Nodes.class)
 416                         .child(Node.class, new NodeKey(getNodeIdFromNodeConnectorId(ncId)))
 417                         .child(NodeConnector.class, new NodeConnectorKey(ncId)).build();
 418         Optional<NodeConnector> optNc = read(LogicalDatastoreType.OPERATIONAL, ncIdentifier, dataBroker);
 419         if(optNc.isPresent()) {
 420             NodeConnector nc = optNc.get();
 421             FlowCapableNodeConnector fcnc = nc.getAugmentation(FlowCapableNodeConnector.class);
 422             return fcnc.getName();
 423         }
 424         return null;
 425     }
 426
 427     public static NodeConnectorId getNodeConnectorIdFromInterface(org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface ifState){
 428         if(ifState != null) {
 429             List<String> ofportIds = ifState.getLowerLayerIf();
 430             return new NodeConnectorId(ofportIds.get(0));
 431         }
 432         return null;
 433     }
 434
 435     public static InterfaceInfo.InterfaceType getInterfaceType(Interface iface) {
 436         InterfaceInfo.InterfaceType interfaceType = org.opendaylight.genius.interfacemanager.globals.InterfaceInfo.InterfaceType.UNKNOWN_INTERFACE;
 437         Class<? extends org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.InterfaceType> ifType = iface
 438                 .getType();
 439
 440         if (ifType.isAssignableFrom(L2vlan.class)) {
 441             interfaceType = VLAN_INTERFACE;
 442         } else if (ifType.isAssignableFrom(Tunnel.class)) {
 443             IfTunnel ifTunnel = iface.getAugmentation(IfTunnel.class);
 444             Class<? extends org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.rev160406.TunnelTypeBase> tunnelType = ifTunnel
 445                     .getTunnelInterfaceType();
 446             interfaceType = TUNNEL_TYPE_MAP.get(tunnelType);
 447         }
 448         return interfaceType;
 449     }
 450
 451     public static VlanInterfaceInfo getVlanInterfaceInfo(String interfaceName, Interface iface, BigInteger dpId) {
 452
 453         short vlanId = 0;
 454         String portName = null;
 455         IfL2vlan vlanIface = iface.getAugmentation(IfL2vlan.class);
 456         ParentRefs parentRefs = iface.getAugmentation(ParentRefs.class);
 457         if (parentRefs != null && parentRefs.getParentInterface() != null) {
 458             portName = parentRefs.getParentInterface();
 459         }else {
 460             LOG.warn("Portname set to null since parentRef is Null");
 461         }
 462         VlanInterfaceInfo vlanInterfaceInfo = new VlanInterfaceInfo(dpId, portName, vlanId);
 463
 464         if (vlanIface != null) {
 465             vlanId = vlanIface.getVlanId() == null ? 0 : vlanIface.getVlanId().getValue().shortValue();
 466             L2vlanMode l2VlanMode = vlanIface.getL2vlanMode();
 467
 468             if (l2VlanMode == L2vlanMode.Transparent) {
 469                 vlanInterfaceInfo.setVlanTransparent(true);
 470             }
 471             if (l2VlanMode == L2vlanMode.NativeUntagged) {
 472                 vlanInterfaceInfo.setUntaggedVlan(true);
 473             }
 474             vlanInterfaceInfo.setVlanId(vlanId);
 475
 476         }
 477         return vlanInterfaceInfo;
 478     }
 479
 480     public static void bindService(WriteTransaction t, String interfaceName, BoundServices serviceInfo,
 481                                    Class<? extends ServiceModeBase> serviceMode){
 482         LOG.info("Binding Service {} for : {}", serviceInfo.getServiceName(), interfaceName);
 483         InstanceIdentifier<BoundServices> boundServicesInstanceIdentifier = InstanceIdentifier.builder(ServiceBindings.class)
 484                 .child(ServicesInfo.class, new ServicesInfoKey(interfaceName, serviceMode))
 485                 .child(BoundServices.class, new BoundServicesKey(serviceInfo.getServicePriority())).build();
 486         t.put(LogicalDatastoreType.CONFIGURATION, boundServicesInstanceIdentifier, serviceInfo, true);
 487     }
 488
 489     public static void unbindService(DataBroker dataBroker, String interfaceName, InstanceIdentifier<BoundServices>
 490             boundServicesInstanceIdentifier, Class<? extends ServiceModeBase> serviceMode){
 491         LOG.info("Unbinding Service from : {}", interfaceName);
 492         DataStoreJobCoordinator dataStoreJobCoordinator = DataStoreJobCoordinator.getInstance();
 493         dataStoreJobCoordinator.enqueueJob(interfaceName,
 494                 () -> {
 495                     WriteTransaction t = dataBroker.newWriteOnlyTransaction();
 496                     t.delete(LogicalDatastoreType.CONFIGURATION, boundServicesInstanceIdentifier);
 497                     List<ListenableFuture<Void>> futures = new ArrayList<>();
 498                     futures.add(t.submit());
 499                     return futures;
 500                 }
 501         );
 502     }
 503 }