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 BigInteger 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 new BigInteger(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 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         try (ReadOnlyTransaction tx = broker.newReadOnlyTransaction()) {
 207             return tx.read(datastoreType, path).get();
 208         } catch (Exception e) {
 209             throw new RuntimeException(e);
 210         }
 211     }
 212
 213     public static List<Action> getEgressActionsForInterface(String interfaceName, Long tunnelKey, Integer actionKey,
 214                                                             DataBroker dataBroker, Boolean isDefaultEgress) {
 215         List<ActionInfo> listActionInfo = getEgressActionInfosForInterface(interfaceName, tunnelKey, actionKey==null?0:actionKey, dataBroker, isDefaultEgress);
 216         List<Action> actionsList = new ArrayList<>();
 217         for (ActionInfo actionInfo : listActionInfo) {
 218             actionsList.add(actionInfo.buildAction());
 219         }
 220         return actionsList;
 221     }
 222
 223     public static List<Instruction> getEgressInstructionsForInterface(String interfaceName, Long tunnelKey,
 224                                                                       DataBroker dataBroker, Boolean isDefaultEgress) {
 225         List<Instruction> instructions = new ArrayList<>();
 226         List<Action> actionList = MDSALUtil.buildActions(getEgressActionInfosForInterface(
 227                 interfaceName, tunnelKey, 0, dataBroker, isDefaultEgress));
 228         instructions.add(MDSALUtil.buildApplyActionsInstruction(actionList));
 229         return  instructions;
 230     }
 231
 232     public static List<Instruction> getEgressInstructionsForInterface(Interface interfaceInfo, String portNo,
 233                                                                       Long tunnelKey, boolean isDefaultEgress, int ifIndex) {
 234         List<Instruction> instructions = new ArrayList<>();
 235         InterfaceInfo.InterfaceType ifaceType = getInterfaceType(interfaceInfo);
 236         List<Action> actionList = MDSALUtil.buildActions(
 237                 getEgressActionInfosForInterface(interfaceInfo, portNo, ifaceType, tunnelKey, 0, isDefaultEgress, ifIndex));
 238         instructions.add(MDSALUtil.buildApplyActionsInstruction(actionList));
 239         return  instructions;
 240     }
 241
 242
 243     public static List<ActionInfo> getEgressActionInfosForInterface(String     interfaceName,
 244                                                                     int        actionKeyStart,
 245                                                                     DataBroker dataBroker,
 246                                                                     Boolean isDefaultEgress) {
 247         return getEgressActionInfosForInterface(interfaceName, null, actionKeyStart, dataBroker, isDefaultEgress);
 248     }
 249
 250     /**
 251      * Returns a list of Actions to be taken when sending a packet over an interface
 252      *
 253      * @param interfaceName
 254      * @param tunnelKey Optional.
 255      * @param actionKeyStart
 256      * @param dataBroker
 257      * @return
 258      */
 259     public static List<ActionInfo> getEgressActionInfosForInterface(String     interfaceName,
 260                                                                     Long       tunnelKey,
 261                                                                     int        actionKeyStart,
 262                                                                     DataBroker dataBroker,
 263                                                                     Boolean isDefaultEgress) {
 264         Interface interfaceInfo = InterfaceManagerCommonUtils.getInterfaceFromConfigDS(new InterfaceKey(interfaceName),
 265                 dataBroker);
 266         if(interfaceInfo == null){
 267             throw new NullPointerException("Interface information not present in config DS for " +interfaceName);
 268         }
 269         org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface ifState =
 270                 InterfaceManagerCommonUtils.getInterfaceStateFromOperDS(interfaceName, dataBroker);
 271         if(ifState == null){
 272             throw new NullPointerException("Interface information not present in oper DS for " +interfaceName);
 273         }
 274         String lowerLayerIf = ifState.getLowerLayerIf().get(0);
 275         NodeConnectorId nodeConnectorId = new NodeConnectorId(lowerLayerIf);
 276         String portNo = IfmUtil.getPortNoFromNodeConnectorId(nodeConnectorId);
 277
 278         InterfaceInfo.InterfaceType ifaceType = getInterfaceType(interfaceInfo);
 279         return getEgressActionInfosForInterface(interfaceInfo, portNo, ifaceType, tunnelKey, actionKeyStart,
 280                 isDefaultEgress, ifState.getIfIndex());
 281     }
 282
 283
 284     public static List<ActionInfo> getEgressActionInfosForInterface(Interface interfaceInfo,
 285                                                                     String portNo,
 286                                                                     InterfaceInfo.InterfaceType ifaceType,
 287                                                                     Long       tunnelKey,
 288                                                                     int        actionKeyStart,
 289                                                                     boolean isDefaultEgress,
 290                                                                     int ifIndex) {
 291         List<ActionInfo> result = new ArrayList<>();
 292         switch (ifaceType) {
 293             case VLAN_INTERFACE:
 294                 if(isDefaultEgress) {
 295                     IfL2vlan vlanIface = interfaceInfo.getAugmentation(IfL2vlan.class);
 296                     LOG.trace("L2Vlan: {}", vlanIface);
 297                     boolean isVlanTransparent = false;
 298                     long vlanVid = 0;
 299                     if (vlanIface != null) {
 300                         vlanVid = vlanIface.getVlanId() == null ? 0 : vlanIface.getVlanId().getValue();
 301                         isVlanTransparent = vlanIface.getL2vlanMode() == IfL2vlan.L2vlanMode.Transparent;
 302                     }
 303                     if (vlanVid != 0 && !isVlanTransparent) {
 304                         result.add(new ActionInfo(ActionType.push_vlan, new String[]{}, actionKeyStart++));
 305                         result.add(new ActionInfo(ActionType.set_field_vlan_vid,
 306                                 new String[]{Long.toString(vlanVid)}, actionKeyStart++));
 307                     }
 308                     result.add(new ActionInfo(ActionType.output, new String[]{portNo}, actionKeyStart++));
 309                 }else{
 310                     long regValue = MetaDataUtil.getReg6ValueForLPortDispatcher(ifIndex, NwConstants.DEFAULT_SERVICE_INDEX);
 311                     result.add(new ActionInfo(ActionType.nx_load_reg_6,
 312                             new String[]{Integer.toString(IfmConstants.REG6_START_INDEX), Integer.toString(IfmConstants.REG6_END_INDEX),
 313                                     Long.toString(regValue)}, actionKeyStart++));
 314                     result.add(new ActionInfo(ActionType.nx_resubmit,
 315                             new String[]{Short.toString(NwConstants.EGRESS_LPORT_DISPATCHER_TABLE)}, actionKeyStart++));
 316                 }
 317                 break;
 318             case MPLS_OVER_GRE:
 319             case VXLAN_TRUNK_INTERFACE:
 320             case GRE_TRUNK_INTERFACE:
 321                 if (tunnelKey != null) {
 322                     result.add(new ActionInfo(ActionType.set_field_tunnel_id,
 323                             new BigInteger[]{BigInteger.valueOf(tunnelKey)},
 324                             actionKeyStart++));
 325                 }
 326
 327                 result.add(new ActionInfo(ActionType.output, new String[]{portNo}, actionKeyStart++));
 328                 break;
 329
 330             default:
 331                 LOG.warn("Interface Type {} not handled yet", ifaceType);
 332                 break;
 333         }
 334         return result;
 335     }
 336
 337     public static NodeId getNodeIdFromNodeConnectorId(NodeConnectorId ncId) {
 338         return new NodeId(ncId.getValue().substring(0,ncId.getValue().lastIndexOf(":")));
 339     }
 340
 341     public static BigInteger[] mergeOpenflowMetadataWriteInstructions(List<Instruction> instructions) {
 342         BigInteger metadata = new BigInteger("0", 16);
 343         BigInteger metadataMask = new BigInteger("0", 16);
 344         if (instructions != null && !instructions.isEmpty()) {
 345             // check if metadata write instruction is present
 346             for (Instruction instruction : instructions) {
 347                 org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.instruction.Instruction actualInstruction = instruction.getInstruction();
 348                 if (actualInstruction instanceof WriteMetadataCase) {
 349                     WriteMetadataCase writeMetaDataInstruction = (WriteMetadataCase) actualInstruction ;
 350                     WriteMetadata availableMetaData = writeMetaDataInstruction.getWriteMetadata();
 351                     metadata = metadata.or(availableMetaData.getMetadata());
 352                     metadataMask = metadataMask.or(availableMetaData.getMetadataMask());
 353                 }
 354             }
 355         }
 356         return new BigInteger[] { metadata, metadataMask };
 357     }
 358
 359     public static Integer allocateId(IdManagerService idManager, String poolName, String idKey) {
 360         AllocateIdInput getIdInput = new AllocateIdInputBuilder()
 361                 .setPoolName(poolName)
 362                 .setIdKey(idKey).build();
 363         try {
 364             Future<RpcResult<AllocateIdOutput>> result = idManager.allocateId(getIdInput);
 365             RpcResult<AllocateIdOutput> rpcResult = result.get();
 366             if(rpcResult.isSuccessful()) {
 367                 return rpcResult.getResult().getIdValue().intValue();
 368             } else {
 369                 LOG.warn("RPC Call to Get Unique Id returned with Errors {}", rpcResult.getErrors());
 370             }
 371         } catch (InterruptedException | ExecutionException e) {
 372             LOG.warn("Exception when getting Unique Id",e);
 373         }
 374         return INVALID_ID;
 375     }
 376
 377     public static void releaseId(IdManagerService idManager, String poolName, String idKey) {
 378         ReleaseIdInput idInput = new ReleaseIdInputBuilder()
 379                 .setPoolName(poolName)
 380                 .setIdKey(idKey).build();
 381         try {
 382             Future<RpcResult<Void>> result = idManager.releaseId(idInput);
 383             RpcResult<Void> rpcResult = result.get();
 384             if(!rpcResult.isSuccessful()) {
 385                 LOG.warn("RPC Call to release Id {} with Key {} returned with Errors {}",
 386                         idKey, rpcResult.getErrors());
 387             }
 388         } catch (InterruptedException | ExecutionException e) {
 389             LOG.warn("Exception when releasing Id for key {}", idKey, e);
 390         }
 391     }
 392
 393     public static BigInteger getDpnId(DatapathId datapathId){
 394         if (datapathId != null) {
 395             // Adding logs for a random issue spotted during datapath id conversion
 396             String dpIdStr = datapathId.getValue().replace(":", "");
 397             BigInteger dpnId =  new BigInteger(dpIdStr, 16);
 398             return dpnId;
 399         }
 400         return null;
 401     }
 402
 403     public static NodeConnectorId getNodeConnectorIdFromInterface(String interfaceName, DataBroker dataBroker) {
 404         return FlowBasedServicesUtils.getNodeConnectorIdFromInterface(interfaceName, dataBroker);
 405     }
 406
 407     public static String getPortName(DataBroker dataBroker, NodeConnectorId ncId){
 408         InstanceIdentifier<NodeConnector> ncIdentifier =
 409                 InstanceIdentifier.builder(Nodes.class)
 410                         .child(Node.class, new NodeKey(getNodeIdFromNodeConnectorId(ncId)))
 411                         .child(NodeConnector.class, new NodeConnectorKey(ncId)).build();
 412         return read(LogicalDatastoreType.OPERATIONAL, ncIdentifier, dataBroker).transform(
 413                 nc -> nc.getAugmentation(FlowCapableNodeConnector.class).getName()).orNull();
 414     }
 415
 416     public static NodeConnectorId getNodeConnectorIdFromInterface(org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface ifState){
 417         if(ifState != null) {
 418             List<String> ofportIds = ifState.getLowerLayerIf();
 419             return new NodeConnectorId(ofportIds.get(0));
 420         }
 421         return null;
 422     }
 423
 424     public static InterfaceInfo.InterfaceType getInterfaceType(Interface iface) {
 425         InterfaceInfo.InterfaceType interfaceType = org.opendaylight.genius.interfacemanager.globals.InterfaceInfo.InterfaceType.UNKNOWN_INTERFACE;
 426         Class<? extends org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.InterfaceType> ifType = iface
 427                 .getType();
 428
 429         if (ifType.isAssignableFrom(L2vlan.class)) {
 430             interfaceType = VLAN_INTERFACE;
 431         } else if (ifType.isAssignableFrom(Tunnel.class)) {
 432             IfTunnel ifTunnel = iface.getAugmentation(IfTunnel.class);
 433             Class<? extends org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.rev160406.TunnelTypeBase> tunnelType = ifTunnel
 434                     .getTunnelInterfaceType();
 435             interfaceType = TUNNEL_TYPE_MAP.get(tunnelType);
 436         }
 437         return interfaceType;
 438     }
 439
 440     public static VlanInterfaceInfo getVlanInterfaceInfo(String interfaceName, Interface iface, BigInteger dpId) {
 441
 442         short vlanId = 0;
 443         String portName = null;
 444         IfL2vlan vlanIface = iface.getAugmentation(IfL2vlan.class);
 445         ParentRefs parentRefs = iface.getAugmentation(ParentRefs.class);
 446         if (parentRefs != null && parentRefs.getParentInterface() != null) {
 447             portName = parentRefs.getParentInterface();
 448         }else {
 449             LOG.warn("Portname set to null since parentRef is Null");
 450         }
 451         VlanInterfaceInfo vlanInterfaceInfo = new VlanInterfaceInfo(dpId, portName, vlanId);
 452
 453         if (vlanIface != null) {
 454             vlanId = vlanIface.getVlanId() == null ? 0 : vlanIface.getVlanId().getValue().shortValue();
 455             L2vlanMode l2VlanMode = vlanIface.getL2vlanMode();
 456
 457             if (l2VlanMode == L2vlanMode.Transparent) {
 458                 vlanInterfaceInfo.setVlanTransparent(true);
 459             }
 460             if (l2VlanMode == L2vlanMode.NativeUntagged) {
 461                 vlanInterfaceInfo.setUntaggedVlan(true);
 462             }
 463             vlanInterfaceInfo.setVlanId(vlanId);
 464
 465         }
 466         return vlanInterfaceInfo;
 467     }
 468
 469     public static void bindService(WriteTransaction t, String interfaceName, BoundServices serviceInfo,
 470                                    Class<? extends ServiceModeBase> serviceMode){
 471         LOG.info("Binding Service {} for : {}", serviceInfo.getServiceName(), interfaceName);
 472         InstanceIdentifier<BoundServices> boundServicesInstanceIdentifier = InstanceIdentifier.builder(ServiceBindings.class)
 473                 .child(ServicesInfo.class, new ServicesInfoKey(interfaceName, serviceMode))
 474                 .child(BoundServices.class, new BoundServicesKey(serviceInfo.getServicePriority())).build();
 475         t.put(LogicalDatastoreType.CONFIGURATION, boundServicesInstanceIdentifier, serviceInfo, true);
 476     }
 477
 478     public static void unbindService(DataBroker dataBroker, String interfaceName, InstanceIdentifier<BoundServices>
 479             boundServicesInstanceIdentifier, String parentInterface){
 480         LOG.info("Unbinding Service from : {}", interfaceName);
 481         DataStoreJobCoordinator dataStoreJobCoordinator = DataStoreJobCoordinator.getInstance();
 482         dataStoreJobCoordinator.enqueueJob(parentInterface,
 483                 () -> {
 484                     WriteTransaction t = dataBroker.newWriteOnlyTransaction();
 485                     t.delete(LogicalDatastoreType.CONFIGURATION, boundServicesInstanceIdentifier);
 486                     List<ListenableFuture<Void>> futures = new ArrayList<>();
 487                     futures.add(t.submit());
 488                     return futures;
 489                 }
 490         );
 491     }
 492 }