interfacemanager/interfacemanager-impl/src/main/java/org/opendaylight/genius/interfacemanager/IfmUtil.java

   1 /*
   2  * Copyright (c) 2016, 2017 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 static org.opendaylight.genius.infra.Datastore.CONFIGURATION;
  11 import static org.opendaylight.genius.interfacemanager.globals.InterfaceInfo.InterfaceType.GRE_TRUNK_INTERFACE;
  12 import static org.opendaylight.genius.interfacemanager.globals.InterfaceInfo.InterfaceType.LOGICAL_GROUP_INTERFACE;
  13 import static org.opendaylight.genius.interfacemanager.globals.InterfaceInfo.InterfaceType.MPLS_OVER_GRE;
  14 import static org.opendaylight.genius.interfacemanager.globals.InterfaceInfo.InterfaceType.VLAN_INTERFACE;
  15 import static org.opendaylight.genius.interfacemanager.globals.InterfaceInfo.InterfaceType.VXLAN_TRUNK_INTERFACE;
  16 import static org.opendaylight.mdsal.binding.api.WriteTransaction.CREATE_MISSING_PARENTS;
  17
  18 import com.google.common.collect.ImmutableMap;
  19 import com.google.common.util.concurrent.ListenableFuture;
  20 import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
  21 import java.util.ArrayList;
  22 import java.util.Collections;
  23 import java.util.List;
  24 import java.util.Optional;
  25 import java.util.concurrent.ExecutionException;
  26 import java.util.concurrent.Future;
  27 import java.util.regex.Pattern;
  28 import org.apache.commons.lang3.BooleanUtils;
  29 import org.opendaylight.genius.datastoreutils.SingleTransactionDataBroker;
  30 import org.opendaylight.genius.infra.Datastore.Configuration;
  31 import org.opendaylight.genius.infra.ManagedNewTransactionRunner;
  32 import org.opendaylight.genius.infra.TypedWriteTransaction;
  33 import org.opendaylight.genius.interfacemanager.commons.InterfaceManagerCommonUtils;
  34 import org.opendaylight.genius.interfacemanager.globals.InterfaceInfo;
  35 import org.opendaylight.genius.interfacemanager.globals.VlanInterfaceInfo;
  36 import org.opendaylight.genius.mdsalutil.ActionInfo;
  37 import org.opendaylight.genius.mdsalutil.MDSALUtil;
  38 import org.opendaylight.genius.mdsalutil.MetaDataUtil;
  39 import org.opendaylight.genius.mdsalutil.NwConstants;
  40 import org.opendaylight.genius.mdsalutil.actions.ActionGroup;
  41 import org.opendaylight.genius.mdsalutil.actions.ActionNxResubmit;
  42 import org.opendaylight.genius.mdsalutil.actions.ActionOutput;
  43 import org.opendaylight.genius.mdsalutil.actions.ActionPushVlan;
  44 import org.opendaylight.genius.mdsalutil.actions.ActionRegLoad;
  45 import org.opendaylight.genius.mdsalutil.actions.ActionSetFieldTunnelId;
  46 import org.opendaylight.genius.mdsalutil.actions.ActionSetFieldVlanVid;
  47 import org.opendaylight.genius.mdsalutil.actions.ActionSetTunnelDestinationIp;
  48 import org.opendaylight.genius.mdsalutil.actions.ActionSetTunnelSourceIp;
  49 import org.opendaylight.infrautils.jobcoordinator.JobCoordinator;
  50 import org.opendaylight.mdsal.binding.api.DataBroker;
  51 import org.opendaylight.mdsal.binding.api.ReadTransaction;
  52 import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
  53 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.iana._if.type.rev170119.L2vlan;
  54 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.iana._if.type.rev170119.Tunnel;
  55 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Uri;
  56 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.Interfaces;
  57 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.InterfacesState;
  58 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.Interface;
  59 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.InterfaceKey;
  60 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.PhysAddress;
  61 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.list.Action;
  62 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNodeConnector;
  63 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.instruction.instruction.WriteMetadataCase;
  64 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.instruction.instruction.write.metadata._case.WriteMetadata;
  65 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.instruction.list.Instruction;
  66 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.idmanager.rev160406.AllocateIdInput;
  67 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.idmanager.rev160406.AllocateIdInputBuilder;
  68 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.idmanager.rev160406.AllocateIdOutput;
  69 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.idmanager.rev160406.IdManagerService;
  70 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.idmanager.rev160406.IdPools;
  71 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.idmanager.rev160406.ReleaseIdInput;
  72 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.idmanager.rev160406.ReleaseIdInputBuilder;
  73 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.idmanager.rev160406.ReleaseIdOutput;
  74 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.idmanager.rev160406.id.pools.IdPool;
  75 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.idmanager.rev160406.id.pools.IdPoolKey;
  76 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.rev160406.IfL2vlan;
  77 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.rev160406.IfL2vlan.L2vlanMode;
  78 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.rev160406.IfTunnel;
  79 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.rev160406.ParentRefs;
  80 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.rev160406.ParentRefsBuilder;
  81 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.rev160406.TunnelTypeBase;
  82 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.rev160406.TunnelTypeGre;
  83 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.rev160406.TunnelTypeLogicalGroup;
  84 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.rev160406.TunnelTypeMplsOverGre;
  85 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.rev160406.TunnelTypeVxlan;
  86 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.rev160406.TunnelTypeVxlanGpe;
  87 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.servicebinding.rev160406.ServiceBindings;
  88 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.servicebinding.rev160406.ServiceModeBase;
  89 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.servicebinding.rev160406.service.bindings.ServicesInfo;
  90 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.servicebinding.rev160406.service.bindings.ServicesInfoKey;
  91 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.servicebinding.rev160406.service.bindings.services.info.BoundServices;
  92 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.servicebinding.rev160406.service.bindings.services.info.BoundServicesKey;
  93 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeConnectorId;
  94 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeId;
  95 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.NxmNxReg6;
  96 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.DatapathId;
  97 import org.opendaylight.yangtools.yang.binding.DataObject;
  98 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  99 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier.InstanceIdentifierBuilder;
 100 import org.opendaylight.yangtools.yang.common.RpcResult;
 101 import org.opendaylight.yangtools.yang.common.Uint64;
 102 import org.slf4j.Logger;
 103 import org.slf4j.LoggerFactory;
 104
 105 public final class IfmUtil {
 106     private static final Logger LOG = LoggerFactory.getLogger(IfmUtil.class);
 107     private static final Pattern GENERATE_MAC_PATTERN = Pattern.compile("(.{2})");
 108     private static final int INVALID_ID = 0;
 109
 110     private IfmUtil() {
 111         throw new IllegalStateException("Utility class");
 112     }
 113
 114     private static final ImmutableMap<Class<? extends TunnelTypeBase>, InterfaceInfo.InterfaceType>
 115         TUNNEL_TYPE_MAP = new ImmutableMap.Builder<Class<? extends TunnelTypeBase>, InterfaceInfo.InterfaceType>()
 116             .put(TunnelTypeGre.class, GRE_TRUNK_INTERFACE).put(TunnelTypeMplsOverGre.class, MPLS_OVER_GRE)
 117             .put(TunnelTypeVxlan.class, VXLAN_TRUNK_INTERFACE).put(TunnelTypeVxlanGpe.class, VXLAN_TRUNK_INTERFACE)
 118             .put(TunnelTypeLogicalGroup.class, LOGICAL_GROUP_INTERFACE)
 119             .build();
 120
 121     public static Uint64 getDpnFromNodeConnectorId(NodeConnectorId portId) {
 122         return Uint64.valueOf(getDpnStringFromNodeConnectorId(portId));
 123     }
 124
 125     public static String getDpnStringFromNodeConnectorId(NodeConnectorId portId) {
 126         /*
 127          * NodeConnectorId is of form 'openflow:dpnid:portnum'
 128          */
 129         return portId.getValue().split(IfmConstants.OF_URI_SEPARATOR)[1];
 130     }
 131
 132     public static Uint64 getDpnFromInterface(
 133             org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang
 134                 .ietf.interfaces.rev140508.interfaces.state.Interface ifState) {
 135         NodeConnectorId ncId = getNodeConnectorIdFromInterface(ifState);
 136         if (ncId != null) {
 137             return getDpnFromNodeConnectorId(ncId);
 138         }
 139         return null;
 140     }
 141
 142     public static String getPortNoFromNodeConnectorId(NodeConnectorId portId) {
 143         /*
 144          * NodeConnectorId is of form 'openflow:dpnid:portnum'
 145          */
 146         String[] split = portId.getValue().split(IfmConstants.OF_URI_SEPARATOR);
 147         return split[2];
 148     }
 149
 150     public static Long getPortNumberFromNodeConnectorId(NodeConnectorId portId) {
 151         String portNo = getPortNoFromNodeConnectorId(portId);
 152         try {
 153             return Long.valueOf(portNo);
 154         } catch (NumberFormatException ex) {
 155             LOG.trace("Unable to retrieve port number from nodeconnector id for {}", portId);
 156         }
 157         return IfmConstants.INVALID_PORT_NO;
 158     }
 159
 160     public static NodeId buildDpnNodeId(Uint64 dpnId) {
 161         return new NodeId(IfmConstants.OF_URI_PREFIX + dpnId);
 162     }
 163
 164     public static InstanceIdentifier<Interface> buildId(String interfaceName) {
 165         // TODO Make this generic and move to AbstractDataChangeListener or
 166         // Utils.
 167         InstanceIdentifierBuilder<Interface> idBuilder = InstanceIdentifier.builder(Interfaces.class)
 168                 .child(Interface.class, new InterfaceKey(interfaceName));
 169         return idBuilder.build();
 170     }
 171
 172     public static InstanceIdentifier<org.opendaylight.yang.gen.v1.urn
 173         .ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface> buildStateInterfaceId(
 174             String interfaceName) {
 175         InstanceIdentifierBuilder<org.opendaylight.yang.gen.v1.urn
 176             .ietf.params.xml.ns.yang.ietf.interfaces.rev140508
 177                 .interfaces.state.Interface> idBuilder = InstanceIdentifier
 178                 .builder(InterfacesState.class)
 179                 .child(org.opendaylight.yang.gen.v1.urn
 180                         .ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface.class,
 181                         new org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang
 182                             .ietf.interfaces.rev140508.interfaces.state.InterfaceKey(
 183                                 interfaceName));
 184         return idBuilder.build();
 185     }
 186
 187     public static org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang
 188         .ietf.interfaces.rev140508.interfaces.state.InterfaceKey getStateInterfaceKeyFromName(
 189             String name) {
 190         return new org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang
 191                 .ietf.interfaces.rev140508.interfaces.state.InterfaceKey(
 192                 name);
 193     }
 194
 195     public static InstanceIdentifier<IdPool> getPoolId(String poolName) {
 196         return InstanceIdentifier.builder(IdPools.class).child(IdPool.class, new IdPoolKey(poolName)).build();
 197     }
 198
 199     public static long getGroupId(int ifIndex, InterfaceInfo.InterfaceType infType) {
 200         if (infType == LOGICAL_GROUP_INTERFACE) {
 201             return getLogicalTunnelSelectGroupId(ifIndex);
 202         }
 203         return 0;
 204     }
 205
 206     /**
 207      * Synchronous blocking read from data store.
 208      *
 209      * @deprecated Use
 210      * {@link SingleTransactionDataBroker#syncReadOptional(DataBroker, LogicalDatastoreType, InstanceIdentifier)}
 211      *             instead of this.
 212      */
 213     @Deprecated
 214     public static <T extends DataObject> Optional<T> read(LogicalDatastoreType datastoreType,
 215             InstanceIdentifier<T> path, DataBroker broker) {
 216         try (ReadTransaction tx = broker.newReadOnlyTransaction()) {
 217             return tx.read(datastoreType, path).get();
 218         } catch (InterruptedException | ExecutionException e) {
 219             LOG.error("Cannot read identifier", e);
 220             throw new RuntimeException(e);
 221         }
 222     }
 223
 224     public static List<Action> getEgressActionsForInterface(String interfaceName, Long tunnelKey, Integer actionKey,
 225             InterfaceManagerCommonUtils interfaceUtils, Boolean isDefaultEgress) {
 226         List<ActionInfo> listActionInfo = getEgressActionInfosForInterface(interfaceName, tunnelKey,
 227                 actionKey == null ? 0 : actionKey, interfaceUtils, isDefaultEgress);
 228         List<Action> actionsList = new ArrayList<>();
 229         for (ActionInfo actionInfo : listActionInfo) {
 230             actionsList.add(actionInfo.buildAction());
 231         }
 232         return actionsList;
 233     }
 234
 235     public static List<Instruction> getEgressInstructionsForInterface(String interfaceName, Long tunnelKey,
 236             InterfaceManagerCommonUtils interfaceUtils, Boolean isDefaultEgress) {
 237         List<Instruction> instructions = new ArrayList<>();
 238         List<Action> actionList = MDSALUtil.buildActions(
 239                 getEgressActionInfosForInterface(interfaceName, tunnelKey, 0, interfaceUtils, isDefaultEgress));
 240         instructions.add(MDSALUtil.buildApplyActionsInstruction(actionList));
 241         return instructions;
 242     }
 243
 244     public static List<Instruction> getEgressInstructionsForInterface(Interface interfaceInfo, String portNo,
 245                                                                       Long tunnelKey, boolean isDefaultEgress,
 246                                                                       int ifIndex, long groupId) {
 247         List<Instruction> instructions = new ArrayList<>();
 248         InterfaceInfo.InterfaceType ifaceType = getInterfaceType(interfaceInfo);
 249         List<Action> actionList = MDSALUtil.buildActions(
 250                 getEgressActionInfosForInterface(interfaceInfo, portNo, ifaceType, tunnelKey, 0,
 251                                                  isDefaultEgress, ifIndex, groupId));
 252         instructions.add(MDSALUtil.buildApplyActionsInstruction(actionList));
 253         return instructions;
 254     }
 255
 256     public static List<ActionInfo> getEgressActionInfosForInterface(String interfaceName, int actionKeyStart,
 257             InterfaceManagerCommonUtils interfaceUtils, Boolean isDefaultEgress) {
 258         return getEgressActionInfosForInterface(interfaceName, null, actionKeyStart, interfaceUtils, isDefaultEgress);
 259     }
 260
 261     /**
 262      * Returns a list of Actions to be taken when sending a packet over an
 263      * interface.
 264      *
 265      * @param interfaceName
 266      *            name of the interface
 267      * @param tunnelKey
 268      *            Optional.
 269      * @param actionKeyStart
 270      *            action key
 271      * @param interfaceUtils
 272      *            InterfaceManagerCommonUtils
 273      * @return list of actions
 274      */
 275     public static List<ActionInfo> getEgressActionInfosForInterface(String interfaceName, Long tunnelKey,
 276             int actionKeyStart, InterfaceManagerCommonUtils interfaceUtils, Boolean isDefaultEgress) {
 277         Interface interfaceInfo = interfaceUtils.getInterfaceFromConfigDS(new InterfaceKey(interfaceName));
 278         if (interfaceInfo == null) {
 279             throw new NullPointerException("Interface information not present in config DS for " + interfaceName);
 280         }
 281         org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang
 282                 .ietf.interfaces.rev140508.interfaces.state.Interface ifState =
 283             interfaceUtils.getInterfaceState(interfaceName);
 284         if (ifState == null) {
 285             throw new NullPointerException("Interface information not present in oper DS for " + interfaceName);
 286         }
 287         String lowerLayerIf = ifState.getLowerLayerIf().get(0);
 288         NodeConnectorId nodeConnectorId = new NodeConnectorId(lowerLayerIf);
 289         String portNo = IfmUtil.getPortNoFromNodeConnectorId(nodeConnectorId);
 290
 291         InterfaceInfo.InterfaceType ifaceType = getInterfaceType(interfaceInfo);
 292         return getEgressActionInfosForInterface(interfaceInfo, portNo, ifaceType, tunnelKey, actionKeyStart,
 293                 isDefaultEgress, ifState.getIfIndex(), 0);
 294     }
 295
 296     /**
 297      * Returns the list of egress actions for a given interface.
 298      *
 299      * @param interfaceInfo the interface to look up
 300      * @param portNo port number
 301      * @param ifaceType the type of the interface
 302      * @param tunnelKey the tunnel key
 303      * @param actionKeyStart the start for the first key assigned for the new actions
 304      * @param isDefaultEgress if it is the default egress
 305      * @param ifIndex interface index
 306      * @param groupId group Id
 307      * @return list of actions for the interface
 308      */
 309     // The following suppression is for javac, not for checkstyle
 310     @SuppressWarnings("fallthrough")
 311     @SuppressFBWarnings("SF_SWITCH_FALLTHROUGH")
 312     public static List<ActionInfo> getEgressActionInfosForInterface(Interface interfaceInfo, String portNo,
 313             InterfaceInfo.InterfaceType ifaceType, Long tunnelKey, int actionKeyStart, boolean isDefaultEgress,
 314             int ifIndex, long groupId) {
 315         List<ActionInfo> result = new ArrayList<>();
 316         switch (ifaceType) {
 317             case MPLS_OVER_GRE:
 318                 // fall through
 319             case GRE_TRUNK_INTERFACE:
 320                 if (!isDefaultEgress) {
 321                     // TODO tunnel_id to encode GRE key, once it is supported
 322                     // Until then, tunnel_id should be "cleaned", otherwise it
 323                     // stores the value coming from a VXLAN tunnel
 324                     if (tunnelKey == null) {
 325                         tunnelKey = 0L;
 326                     }
 327                 }
 328                 // fall through
 329             case VXLAN_TRUNK_INTERFACE:
 330                 if (!isDefaultEgress) {
 331                     if (tunnelKey != null) {
 332                         result.add(new ActionSetFieldTunnelId(actionKeyStart++, Uint64.valueOf(tunnelKey)));
 333                     }
 334                 } else {
 335                     // For OF Tunnels default egress actions need to set tunnelIps
 336                     IfTunnel ifTunnel = interfaceInfo.augmentation(IfTunnel.class);
 337                     if (BooleanUtils.isTrue(ifTunnel.isTunnelRemoteIpFlow()
 338                             && ifTunnel.getTunnelDestination() != null)) {
 339                         result.add(new ActionSetTunnelDestinationIp(actionKeyStart++, ifTunnel.getTunnelDestination()));
 340                     }
 341                     if (BooleanUtils.isTrue(ifTunnel.isTunnelSourceIpFlow()
 342                             && ifTunnel.getTunnelSource() != null)) {
 343                         result.add(new ActionSetTunnelSourceIp(actionKeyStart++, ifTunnel.getTunnelSource()));
 344                     }
 345                 }
 346                 // fall through
 347             case VLAN_INTERFACE:
 348                 if (isDefaultEgress) {
 349                     IfL2vlan vlanIface = interfaceInfo.augmentation(IfL2vlan.class);
 350                     LOG.trace("get egress actions for l2vlan interface: {}", vlanIface);
 351                     boolean isVlanTransparent = false;
 352                     int vlanVid = 0;
 353                     if (vlanIface != null) {
 354                         vlanVid = vlanIface.getVlanId() == null ? 0 : vlanIface.getVlanId().getValue().toJava();
 355                         isVlanTransparent = vlanIface.getL2vlanMode() == IfL2vlan.L2vlanMode.Transparent;
 356                     }
 357                     if (vlanVid != 0 && !isVlanTransparent) {
 358                         result.add(new ActionPushVlan(actionKeyStart++));
 359                         result.add(new ActionSetFieldVlanVid(actionKeyStart++, vlanVid));
 360                     }
 361                     result.add(new ActionOutput(actionKeyStart++, new Uri(portNo)));
 362                 } else {
 363                     addEgressActionInfosForInterface(ifIndex, actionKeyStart, result);
 364                 }
 365                 break;
 366             case LOGICAL_GROUP_INTERFACE:
 367                 if (isDefaultEgress) {
 368                     result.add(new ActionGroup(groupId));
 369                 } else {
 370                     addEgressActionInfosForInterface(ifIndex, actionKeyStart, result);
 371                 }
 372                 break;
 373
 374             default:
 375                 LOG.warn("Interface Type {} not handled yet", ifaceType);
 376                 break;
 377         }
 378         return result;
 379     }
 380
 381     public static void addEgressActionInfosForInterface(int ifIndex, int actionKeyStart, List<ActionInfo> result) {
 382         long regValue = MetaDataUtil.getReg6ValueForLPortDispatcher(ifIndex, NwConstants.DEFAULT_SERVICE_INDEX);
 383         result.add(new ActionRegLoad(actionKeyStart++, NxmNxReg6.class, IfmConstants.REG6_START_INDEX,
 384                 IfmConstants.REG6_END_INDEX, regValue));
 385         result.add(new ActionNxResubmit(actionKeyStart, NwConstants.EGRESS_LPORT_DISPATCHER_TABLE));
 386     }
 387
 388     public static NodeId getNodeIdFromNodeConnectorId(NodeConnectorId ncId) {
 389         return new NodeId(ncId.getValue().substring(0, ncId.getValue().lastIndexOf(':')));
 390     }
 391
 392     public static Uint64[] mergeOpenflowMetadataWriteInstructions(List<Instruction> instructions) {
 393         Uint64 metadata = Uint64.ZERO;
 394         Uint64 metadataMask = Uint64.ZERO;
 395         if (instructions != null && !instructions.isEmpty()) {
 396             // check if metadata write instruction is present
 397             for (Instruction instruction : instructions) {
 398                 org.opendaylight.yang.gen.v1.urn.opendaylight.flow
 399                     .types.rev131026.instruction.Instruction actualInstruction = instruction
 400                         .getInstruction();
 401                 if (actualInstruction instanceof WriteMetadataCase) {
 402                     WriteMetadataCase writeMetaDataInstruction = (WriteMetadataCase) actualInstruction;
 403                     WriteMetadata availableMetaData = writeMetaDataInstruction.getWriteMetadata();
 404                     metadata = Uint64.fromLongBits(metadata.longValue() | availableMetaData.getMetadata().longValue());
 405                     metadataMask = Uint64.fromLongBits(metadataMask.longValue()
 406                         | availableMetaData.getMetadataMask().longValue());
 407                 }
 408             }
 409         }
 410         return new Uint64[] { metadata, metadataMask };
 411     }
 412
 413     public static Integer allocateId(IdManagerService idManager, String poolName, String idKey) {
 414         AllocateIdInput getIdInput = new AllocateIdInputBuilder().setPoolName(poolName).setIdKey(idKey).build();
 415         try {
 416             Future<RpcResult<AllocateIdOutput>> result = idManager.allocateId(getIdInput);
 417             RpcResult<AllocateIdOutput> rpcResult = result.get();
 418             if (rpcResult.isSuccessful()) {
 419                 return rpcResult.getResult().getIdValue().intValue();
 420             } else {
 421                 LOG.warn("RPC Call to Get Unique Id returned with Errors {}", rpcResult.getErrors());
 422             }
 423         } catch (InterruptedException | ExecutionException e) {
 424             LOG.warn("Exception when getting Unique Id", e);
 425         }
 426         return INVALID_ID;
 427     }
 428
 429     public static void releaseId(IdManagerService idManager, String poolName, String idKey) {
 430         ReleaseIdInput idInput = new ReleaseIdInputBuilder().setPoolName(poolName).setIdKey(idKey).build();
 431         try {
 432             ListenableFuture<RpcResult<ReleaseIdOutput>> result = idManager.releaseId(idInput);
 433             RpcResult<ReleaseIdOutput> rpcResult = result.get();
 434             if (!rpcResult.isSuccessful()) {
 435                 LOG.warn("RPC Call to release Id with Key {} returned with Errors {}", idKey, rpcResult.getErrors());
 436             }
 437         } catch (InterruptedException | ExecutionException e) {
 438             LOG.warn("Exception when releasing Id for key {}", idKey, e);
 439         }
 440     }
 441
 442     public static Uint64 getDpnId(DatapathId datapathId) {
 443         if (datapathId != null) {
 444             // Adding logs for a random issue spotted during datapath id
 445             // conversion
 446             String dpIdStr = datapathId.getValue().replace(":", "");
 447             return Uint64.valueOf(dpIdStr, 16);
 448         }
 449         return null;
 450     }
 451
 452     public static NodeConnectorId getNodeConnectorIdFromInterface(
 453             org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang
 454                 .ietf.interfaces.rev140508.interfaces.state.Interface ifState) {
 455         if (ifState != null) {
 456             List<String> ofportIds = ifState.getLowerLayerIf();
 457             return new NodeConnectorId(ofportIds.get(0));
 458         }
 459         return null;
 460     }
 461
 462     public static InterfaceInfo.InterfaceType getInterfaceType(Interface iface) {
 463         InterfaceInfo.InterfaceType interfaceType = org.opendaylight
 464                 .genius.interfacemanager.globals.InterfaceInfo.InterfaceType.UNKNOWN_INTERFACE;
 465         Class<? extends org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang
 466                 .ietf.interfaces.rev140508.InterfaceType> ifType = iface
 467                 .getType();
 468
 469         if (ifType.isAssignableFrom(L2vlan.class)) {
 470             interfaceType = VLAN_INTERFACE;
 471         } else if (ifType.isAssignableFrom(Tunnel.class)) {
 472             IfTunnel ifTunnel = iface.augmentation(IfTunnel.class);
 473             Class<? extends org.opendaylight.yang.gen.v1.urn.opendaylight
 474                     .genius.interfacemanager.rev160406.TunnelTypeBase> tunnelType = ifTunnel
 475                     .getTunnelInterfaceType();
 476             interfaceType = tunnelType.isAssignableFrom(TunnelTypeLogicalGroup.class)
 477                     ? InterfaceInfo.InterfaceType.LOGICAL_GROUP_INTERFACE :  TUNNEL_TYPE_MAP.get(tunnelType);
 478         }
 479         return interfaceType;
 480     }
 481
 482     public static VlanInterfaceInfo getVlanInterfaceInfo(Interface iface, Uint64 dpId) {
 483         short vlanId = 0;
 484         String portName = null;
 485         IfL2vlan vlanIface = iface.augmentation(IfL2vlan.class);
 486         ParentRefs parentRefs = iface.augmentation(ParentRefs.class);
 487         if (parentRefs != null && parentRefs.getParentInterface() != null) {
 488             portName = parentRefs.getParentInterface();
 489         } else {
 490             LOG.warn("Portname set to null since parentRef is Null");
 491         }
 492         VlanInterfaceInfo vlanInterfaceInfo = new VlanInterfaceInfo(dpId, portName, vlanId);
 493
 494         if (vlanIface != null) {
 495             vlanId = vlanIface.getVlanId() == null ? 0 : vlanIface.getVlanId().getValue().shortValue();
 496             L2vlanMode l2VlanMode = vlanIface.getL2vlanMode();
 497
 498             if (l2VlanMode == L2vlanMode.Transparent) {
 499                 vlanInterfaceInfo.setVlanTransparent(true);
 500             }
 501             if (l2VlanMode == L2vlanMode.NativeUntagged) {
 502                 vlanInterfaceInfo.setUntaggedVlan(true);
 503             }
 504             vlanInterfaceInfo.setVlanId(vlanId);
 505
 506         }
 507         return vlanInterfaceInfo;
 508     }
 509
 510     public static Uint64 getDeadBeefBytesForMac() {
 511         final long raw = IfmConstants.DEAD_BEEF_MAC_PREFIX.longValue() & 0xFFFFFFFFL;
 512         return Uint64.fromLongBits(raw << 16);
 513     }
 514
 515     public static Uint64 fillPortNumberToMac(long portNumber) {
 516         return Uint64.fromLongBits(portNumber & 0xFFFF);
 517     }
 518
 519     public static String generateMacAddress(long portNo) {
 520         final long raw = getDeadBeefBytesForMac().longValue() | fillPortNumberToMac(portNo).longValue();
 521         return GENERATE_MAC_PATTERN.matcher(Long.toUnsignedString(raw))
 522                 .replaceAll("$1" + IfmConstants.MAC_SEPARATOR)
 523                 .substring(0, IfmConstants.MAC_STRING_LENGTH);
 524     }
 525
 526     public static PhysAddress getPhyAddress(long portNo, FlowCapableNodeConnector flowCapableNodeConnector) {
 527         String southboundMacAddress = flowCapableNodeConnector.getHardwareAddress().getValue();
 528         if (IfmConstants.INVALID_MAC.equals(southboundMacAddress)) {
 529             LOG.debug("Invalid MAC Address received for {}, generating MAC Address",
 530                     flowCapableNodeConnector.getName());
 531             southboundMacAddress = generateMacAddress(portNo);
 532         }
 533         return new PhysAddress(southboundMacAddress);
 534     }
 535
 536     public static void updateInterfaceParentRef(TypedWriteTransaction<Configuration> tx, String interfaceName,
 537             String parentInterface) {
 538         InstanceIdentifier<ParentRefs> parentRefIdentifier = InstanceIdentifier.builder(Interfaces.class)
 539                 .child(Interface.class, new InterfaceKey(interfaceName)).augmentation(ParentRefs.class).build();
 540         ParentRefs parentRefs = new ParentRefsBuilder().setParentInterface(parentInterface).build();
 541         tx.merge(parentRefIdentifier, parentRefs);
 542         LOG.debug(
 543                 "Updating parentRefInterface for interfaceName {}. "
 544                         + "interfaceKey {}, with parentRef augmentation pointing to {}",
 545                 interfaceName, new InterfaceKey(interfaceName), parentInterface);
 546     }
 547
 548     public static InstanceIdentifier<BoundServices> buildBoundServicesIId(short servicePriority, String interfaceName,
 549             Class<? extends ServiceModeBase> serviceMode) {
 550         return InstanceIdentifier.builder(ServiceBindings.class)
 551                 .child(ServicesInfo.class, new ServicesInfoKey(interfaceName, serviceMode))
 552                 .child(BoundServices.class, new BoundServicesKey(servicePriority)).build();
 553     }
 554
 555     public static void bindService(TypedWriteTransaction<Configuration> tx, String interfaceName,
 556         BoundServices serviceInfo, Class<? extends ServiceModeBase> serviceMode) {
 557         LOG.info("Binding Service {} for : {}", serviceInfo.getServiceName(), interfaceName);
 558         InstanceIdentifier<BoundServices> boundServicesInstanceIdentifier = buildBoundServicesIId(
 559             serviceInfo.getServicePriority().toJava(), interfaceName, serviceMode);
 560         tx.put(boundServicesInstanceIdentifier, serviceInfo, CREATE_MISSING_PARENTS);
 561     }
 562
 563     public static void unbindService(ManagedNewTransactionRunner txRunner, JobCoordinator coordinator,
 564             String interfaceName, InstanceIdentifier<BoundServices> boundServicesInstanceIdentifier) {
 565         coordinator.enqueueJob(interfaceName, () -> Collections.singletonList(
 566                 txRunner.callWithNewWriteOnlyTransactionAndSubmit(CONFIGURATION,
 567                     tx -> unbindService(tx, interfaceName, boundServicesInstanceIdentifier))));
 568     }
 569
 570     public static void unbindService(TypedWriteTransaction<Configuration> tx, String interfaceName,
 571             InstanceIdentifier<BoundServices> boundServicesInstanceIdentifier) {
 572         LOG.info("Unbinding Service from : {}", interfaceName);
 573         tx.delete(boundServicesInstanceIdentifier);
 574     }
 575
 576     public static long getLogicalTunnelSelectGroupId(int lportTag) {
 577         return org.opendaylight.genius.interfacemanager.globals.IfmConstants.VXLAN_GROUPID_MIN + lportTag;
 578     }
 579 }