interfacemanager/interfacemanager-impl/src/main/java/org/opendaylight/genius/interfacemanager/commons/InterfaceManagerCommonUtils.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
   9 package org.opendaylight.genius.interfacemanager.commons;
  10
  11 import com.google.common.base.Optional;
  12 import com.google.common.util.concurrent.ListenableFuture;
  13 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  14 import org.opendaylight.controller.md.sal.binding.api.WriteTransaction;
  15 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  16 import org.opendaylight.genius.interfacemanager.IfmConstants;
  17 import org.opendaylight.genius.interfacemanager.IfmUtil;
  18 import org.opendaylight.genius.interfacemanager.globals.InterfaceInfo;
  19 import org.opendaylight.genius.interfacemanager.servicebindings.flowbased.utilities.FlowBasedServicesUtils;
  20 import org.opendaylight.genius.mdsalutil.*;
  21 import org.opendaylight.genius.mdsalutil.interfaces.IMdsalApiManager;
  22 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.Interfaces;
  23 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.Interface;
  24 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.InterfaceKey;
  25 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.InterfaceBuilder;
  26 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.PhysAddress;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNodeConnector;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.rev160406.IfL2vlan;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeConnectorId;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeId;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.Nodes;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.node.NodeConnector;
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.node.NodeConnectorKey;
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node;
  35 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.NodeKey;
  36 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.idmanager.rev160406.IdManagerService;
  37 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.meta.rev160406._interface.child.info.InterfaceParentEntry;
  38 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.meta.rev160406._interface.child.info.InterfaceParentEntryKey;
  39 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.meta.rev160406._interface.child.info._interface.parent.entry.InterfaceChildEntry;
  40 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.meta.rev160406._interface.child.info._interface.parent.entry.InterfaceChildEntryBuilder;
  41 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.meta.rev160406._interface.child.info._interface.parent.entry.InterfaceChildEntryKey;
  42 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.rev160406.IfTunnel;
  43 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.rev160406.IfTunnelBuilder;
  44 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.rev160406.TunnelTypeMplsOverGre;
  45 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  46 import org.slf4j.Logger;
  47 import org.slf4j.LoggerFactory;
  48
  49 import java.math.BigInteger;
  50 import java.util.ArrayList;
  51 import java.util.List;
  52
  53 public class InterfaceManagerCommonUtils {
  54     private static final Logger LOG = LoggerFactory.getLogger(InterfaceManagerCommonUtils.class);
  55     public static NodeConnector getNodeConnectorFromInventoryOperDS(NodeConnectorId nodeConnectorId,
  56                                                                     DataBroker dataBroker) {
  57         NodeId nodeId = IfmUtil.getNodeIdFromNodeConnectorId(nodeConnectorId);
  58         InstanceIdentifier<NodeConnector> ncIdentifier = InstanceIdentifier.builder(Nodes.class)
  59                 .child(Node.class, new NodeKey(nodeId))
  60                 .child(NodeConnector.class, new NodeConnectorKey(nodeConnectorId)).build();
  61
  62         Optional<NodeConnector> nodeConnectorOptional = IfmUtil.read(LogicalDatastoreType.OPERATIONAL,
  63                 ncIdentifier, dataBroker);
  64         if (!nodeConnectorOptional.isPresent()) {
  65             return null;
  66         }
  67         return nodeConnectorOptional.get();
  68     }
  69
  70     public static InstanceIdentifier<Interface> getInterfaceIdentifier(InterfaceKey interfaceKey) {
  71         InstanceIdentifier.InstanceIdentifierBuilder<Interface> interfaceInstanceIdentifierBuilder =
  72                 InstanceIdentifier.builder(Interfaces.class).child(Interface.class, interfaceKey);
  73         return interfaceInstanceIdentifierBuilder.build();
  74     }
  75
  76     public static List<Interface> getAllTunnelInterfaces(DataBroker dataBroker, InterfaceInfo.InterfaceType interfaceType) {
  77         List<Interface> vxlanList = new ArrayList<Interface>();
  78         InstanceIdentifier<Interfaces> interfacesInstanceIdentifier =  InstanceIdentifier.builder(Interfaces.class).build();
  79         Optional<Interfaces> interfacesOptional  = IfmUtil.read(LogicalDatastoreType.CONFIGURATION, interfacesInstanceIdentifier, dataBroker);
  80         if (!interfacesOptional.isPresent()) {
  81             return vxlanList;
  82         }
  83         Interfaces interfaces = interfacesOptional.get();
  84         List<Interface> interfacesList = interfaces.getInterface();
  85         for (Interface iface : interfacesList) {
  86             if(IfmUtil.getInterfaceType(iface) == InterfaceInfo.InterfaceType.VXLAN_TRUNK_INTERFACE &&
  87                     iface.getAugmentation(IfTunnel.class).isInternal()) {
  88                 vxlanList.add(iface);
  89             }
  90         }
  91         return vxlanList;
  92     }
  93
  94     public static Interface getInterfaceFromConfigDS(String interfaceName, DataBroker dataBroker) {
  95         InterfaceKey interfaceKey = new InterfaceKey(interfaceName);
  96         return getInterfaceFromConfigDS(interfaceKey, dataBroker);
  97     }
  98
  99     public static Interface getInterfaceFromConfigDS(InterfaceKey interfaceKey, DataBroker dataBroker) {
 100         InstanceIdentifier<Interface> interfaceId = getInterfaceIdentifier(interfaceKey);
 101         Optional<Interface> interfaceOptional = IfmUtil.read(LogicalDatastoreType.CONFIGURATION, interfaceId, dataBroker);
 102         if (!interfaceOptional.isPresent()) {
 103             return null;
 104         }
 105
 106         return interfaceOptional.get();
 107     }
 108
 109     public static org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface getInterfaceStateFromOperDS(String interfaceName, DataBroker dataBroker) {
 110         InstanceIdentifier<org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface> ifStateId =
 111                 IfmUtil.buildStateInterfaceId(interfaceName);
 112         return getInterfaceStateFromOperDS(ifStateId, dataBroker);
 113     }
 114
 115     public static org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface getInterfaceStateFromOperDS
 116             (InstanceIdentifier<org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface> ifStateId, DataBroker dataBroker) {
 117         Optional<org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface> ifStateOptional =
 118                 IfmUtil.read(LogicalDatastoreType.OPERATIONAL, ifStateId, dataBroker);
 119         if (!ifStateOptional.isPresent()) {
 120             return null;
 121         }
 122
 123         return ifStateOptional.get();
 124     }
 125     public static void makeTunnelIngressFlow(List<ListenableFuture<Void>> futures, IMdsalApiManager mdsalApiManager,
 126                                              IfTunnel tunnel, BigInteger dpnId, long portNo, Interface iface, int ifIndex, int addOrRemoveFlow) {
 127         LOG.debug("make tunnel ingress flow for {}",iface.getName());
 128         String flowRef = InterfaceManagerCommonUtils.getTunnelInterfaceFlowRef(dpnId, NwConstants.VLAN_INTERFACE_INGRESS_TABLE, iface.getName());
 129         List<MatchInfo> matches = new ArrayList<MatchInfo>();
 130         List<InstructionInfo> mkInstructions = new ArrayList<InstructionInfo>();
 131         if (NwConstants.ADD_FLOW == addOrRemoveFlow) {
 132             matches.add(new MatchInfo(MatchFieldType.in_port, new BigInteger[] {
 133                     dpnId, BigInteger.valueOf(portNo) }));
 134             mkInstructions.add(new InstructionInfo(
 135                     InstructionType.write_metadata, new BigInteger[] {
 136                     MetaDataUtil.getLportTagMetaData(ifIndex).or(BigInteger.ONE),
 137                     MetaDataUtil.METADATA_MASK_LPORT_TAG_SH_FLAG}));
 138             short tableId = (tunnel.getTunnelInterfaceType().isAssignableFrom(TunnelTypeMplsOverGre.class)) ? NwConstants.L3_LFIB_TABLE :
 139                     tunnel.isInternal() ? NwConstants.INTERNAL_TUNNEL_TABLE : NwConstants.DHCP_TABLE_EXTERNAL_TUNNEL;
 140             mkInstructions.add(new InstructionInfo(InstructionType.goto_table, new long[] {tableId}));
 141         }
 142
 143         BigInteger COOKIE_VM_INGRESS_TABLE = new BigInteger("8000001", 16);
 144         FlowEntity flowEntity = MDSALUtil.buildFlowEntity(dpnId, NwConstants.VLAN_INTERFACE_INGRESS_TABLE, flowRef,
 145                 IfmConstants.DEFAULT_FLOW_PRIORITY, iface.getName(), 0, 0, COOKIE_VM_INGRESS_TABLE, matches, mkInstructions);
 146         if (NwConstants.ADD_FLOW == addOrRemoveFlow) {
 147             futures.add(mdsalApiManager.installFlow(dpnId, flowEntity));
 148         } else {
 149             futures.add(mdsalApiManager.removeFlow(dpnId, flowEntity));
 150         }
 151     }
 152     public static String getTunnelInterfaceFlowRef(BigInteger dpnId, short tableId, String ifName) {
 153         return new StringBuilder().append(dpnId).append(tableId).append(ifName).toString();
 154     }
 155
 156     public static void setOpStateForInterface(DataBroker broker, String interfaceName, org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface.OperStatus opStatus) {
 157         InstanceIdentifier<org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface> interfaceId = IfmUtil.buildStateInterfaceId(interfaceName);
 158         InterfaceBuilder ifaceBuilder = new InterfaceBuilder().setKey(new org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.InterfaceKey(interfaceName));
 159         org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface interfaceData = ifaceBuilder.setOperStatus(opStatus).build();
 160         MDSALUtil.syncUpdate(broker, LogicalDatastoreType.OPERATIONAL, interfaceId, interfaceData);
 161     }
 162
 163     public static void createInterfaceChildEntry( WriteTransaction t,
 164                                                   String parentInterface, String childInterface){
 165         InterfaceParentEntryKey interfaceParentEntryKey = new InterfaceParentEntryKey(parentInterface);
 166         InterfaceChildEntryKey interfaceChildEntryKey = new InterfaceChildEntryKey(childInterface);
 167         InstanceIdentifier<InterfaceChildEntry> intfId =
 168                 InterfaceMetaUtils.getInterfaceChildEntryIdentifier(interfaceParentEntryKey, interfaceChildEntryKey);
 169         InterfaceChildEntryBuilder entryBuilder = new InterfaceChildEntryBuilder().setKey(interfaceChildEntryKey)
 170                 .setChildInterface(childInterface);
 171         t.put(LogicalDatastoreType.CONFIGURATION, intfId, entryBuilder.build(),true);
 172     }
 173
 174     public static org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface.OperStatus
 175     updateStateEntry(Interface interfaceNew, DataBroker dataBroker, WriteTransaction transaction,
 176                      org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface ifState) {
 177         org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface.OperStatus operStatus;
 178         if (!interfaceNew.isEnabled()) {
 179             operStatus = org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface.OperStatus.Down;
 180         } else {
 181             String ncStr = ifState.getLowerLayerIf().get(0);
 182             NodeConnectorId nodeConnectorId = new NodeConnectorId(ncStr);
 183             NodeConnector nodeConnector =
 184                     InterfaceManagerCommonUtils.getNodeConnectorFromInventoryOperDS(nodeConnectorId, dataBroker);
 185             FlowCapableNodeConnector flowCapableNodeConnector =
 186                     nodeConnector.getAugmentation(FlowCapableNodeConnector.class);
 187             //State state = flowCapableNodeConnector.getState();
 188             operStatus = flowCapableNodeConnector == null ? org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface.OperStatus.Down : org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface.OperStatus.Up;
 189         }
 190
 191         String ifName = interfaceNew.getName();
 192         InstanceIdentifier<org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface> ifStateId =
 193                 IfmUtil.buildStateInterfaceId(interfaceNew.getName());
 194         InterfaceBuilder ifaceBuilder = new InterfaceBuilder();
 195         ifaceBuilder.setOperStatus(operStatus);
 196         ifaceBuilder.setKey(IfmUtil.getStateInterfaceKeyFromName(ifName));
 197         transaction.merge(LogicalDatastoreType.OPERATIONAL, ifStateId, ifaceBuilder.build());
 198         return operStatus;
 199     }
 200
 201     public static void updateOperStatus(String interfaceName, org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface.OperStatus operStatus,
 202                                         WriteTransaction transaction) {
 203         LOG.debug("updating operational status for interface {}",interfaceName);
 204         InstanceIdentifier<org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface> ifChildStateId =
 205                 IfmUtil.buildStateInterfaceId(interfaceName);
 206         InterfaceBuilder ifaceBuilderChild = new InterfaceBuilder();
 207         ifaceBuilderChild.setOperStatus(operStatus);
 208         ifaceBuilderChild.setKey(IfmUtil.getStateInterfaceKeyFromName(interfaceName));
 209         transaction.merge(LogicalDatastoreType.OPERATIONAL, ifChildStateId, ifaceBuilderChild.build());
 210     }
 211
 212     public static void addStateEntry(String interfaceName, WriteTransaction transaction, DataBroker dataBroker, IdManagerService idManager,
 213                                      org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface ifState) {
 214         LOG.debug("adding interface state for {}",interfaceName);
 215         org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface.OperStatus operStatus = ifState.getOperStatus();
 216         PhysAddress physAddress = ifState.getPhysAddress();
 217         org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface.AdminStatus adminStatus = ifState.getAdminStatus();
 218         NodeConnectorId nodeConnectorId = new NodeConnectorId(ifState.getLowerLayerIf().get(0));
 219         InterfaceKey interfaceKey = new InterfaceKey(interfaceName);
 220         org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.Interface interfaceInfo =
 221                 InterfaceManagerCommonUtils.getInterfaceFromConfigDS(interfaceKey, dataBroker);
 222
 223         if (interfaceInfo != null && !interfaceInfo.isEnabled()) {
 224             operStatus = org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface.OperStatus.Down;
 225         }
 226
 227         InstanceIdentifier<org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface> ifStateId =
 228                 IfmUtil.buildStateInterfaceId(interfaceName);
 229         List<String> childLowerLayerIfList = new ArrayList<>();
 230         childLowerLayerIfList.add(0, nodeConnectorId.getValue());
 231         InterfaceBuilder ifaceBuilder = new InterfaceBuilder().setAdminStatus(adminStatus)
 232                 .setOperStatus(operStatus).setPhysAddress(physAddress).setLowerLayerIf(childLowerLayerIfList);
 233
 234         Integer ifIndex = IfmUtil.allocateId(idManager, IfmConstants.IFM_IDPOOL_NAME, interfaceName);
 235         ifaceBuilder.setIfIndex(ifIndex);
 236
 237         if(interfaceInfo != null){
 238             ifaceBuilder.setType(interfaceInfo.getType());
 239         }
 240         ifaceBuilder.setKey(IfmUtil.getStateInterfaceKeyFromName(interfaceName));
 241         transaction.put(LogicalDatastoreType.OPERATIONAL, ifStateId, ifaceBuilder.build(), true);
 242
 243         // create lportTag Interface Map
 244         InterfaceMetaUtils.createLportTagInterfaceMap(transaction, interfaceName, ifIndex);
 245
 246         // install ingress flow
 247         BigInteger dpId = new BigInteger(IfmUtil.getDpnFromNodeConnectorId(nodeConnectorId));
 248         long portNo = Long.valueOf(IfmUtil.getPortNoFromNodeConnectorId(nodeConnectorId));
 249         if(interfaceInfo != null && interfaceInfo.isEnabled() &&
 250                 ifState.getOperStatus() == org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface.OperStatus.Up) {
 251             List<MatchInfo> matches = FlowBasedServicesUtils.getMatchInfoForVlanPortAtIngressTable(dpId, portNo, interfaceInfo);
 252             FlowBasedServicesUtils.installVlanFlow(dpId, portNo, interfaceInfo, transaction, matches, ifIndex);
 253         }
 254     }
 255
 256     public static org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface addStateEntry(Interface interfaceInfo, String portName, WriteTransaction transaction, IdManagerService idManager,
 257                                                                                                                                               PhysAddress physAddress, org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface.OperStatus operStatus,
 258                                                                                                                                               org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface.AdminStatus adminStatus,
 259                                                                                                                                               NodeConnectorId nodeConnectorId) {
 260         LOG.debug("adding interface state for {}",portName);
 261         if (interfaceInfo != null && !interfaceInfo.isEnabled()) {
 262             operStatus = org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface.OperStatus.Down;
 263         }
 264         InstanceIdentifier<org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface> ifStateId =
 265                 IfmUtil.buildStateInterfaceId(portName);
 266         List<String> childLowerLayerIfList = new ArrayList<>();
 267         childLowerLayerIfList.add(0, nodeConnectorId.getValue());
 268         InterfaceBuilder ifaceBuilder = new InterfaceBuilder().setAdminStatus(adminStatus)
 269                 .setOperStatus(operStatus).setPhysAddress(physAddress).setLowerLayerIf(childLowerLayerIfList);
 270
 271         Integer ifIndex = IfmUtil.allocateId(idManager, IfmConstants.IFM_IDPOOL_NAME, portName);
 272         ifaceBuilder.setIfIndex(ifIndex);
 273
 274         if(interfaceInfo != null){
 275             ifaceBuilder.setType(interfaceInfo.getType());
 276         }
 277         ifaceBuilder.setKey(IfmUtil.getStateInterfaceKeyFromName(portName));
 278         org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface ifState = ifaceBuilder.build();
 279         transaction.put(LogicalDatastoreType.OPERATIONAL, ifStateId, ifState , true);
 280
 281         // allocate lport tag and set in if-index
 282         InterfaceMetaUtils.createLportTagInterfaceMap(transaction, portName, ifIndex);
 283
 284         // install ingress flow if this is an l2vlan interface
 285         if(InterfaceManagerCommonUtils.isVlanInterface(interfaceInfo) && interfaceInfo.isEnabled() &&
 286                 ifState.getOperStatus() == org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface.OperStatus.Up) {
 287             BigInteger dpId = new BigInteger(IfmUtil.getDpnFromNodeConnectorId(nodeConnectorId));
 288             long portNo = Long.valueOf(IfmUtil.getPortNoFromNodeConnectorId(nodeConnectorId));
 289             List<MatchInfo> matches = FlowBasedServicesUtils.getMatchInfoForVlanPortAtIngressTable(dpId, portNo, interfaceInfo);
 290             FlowBasedServicesUtils.installVlanFlow(dpId, portNo, interfaceInfo, transaction, matches, ifIndex);
 291         }
 292         return ifState;
 293     }
 294
 295     public static void deleteStateEntry(String interfaceName, WriteTransaction transaction) {
 296         LOG.debug("removing interface state entry for {}",interfaceName);
 297         InstanceIdentifier<org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface> ifChildStateId =
 298                 IfmUtil.buildStateInterfaceId(interfaceName);
 299         transaction.delete(LogicalDatastoreType.OPERATIONAL, ifChildStateId);
 300     }
 301
 302     public static void deleteInterfaceStateInformation(String interfaceName, WriteTransaction transaction, IdManagerService idManagerService) {
 303         LOG.debug("removing interface state information for {}",interfaceName);
 304         InstanceIdentifier<org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface> ifChildStateId =
 305                 IfmUtil.buildStateInterfaceId(interfaceName);
 306         transaction.delete(LogicalDatastoreType.OPERATIONAL, ifChildStateId);
 307         InterfaceMetaUtils.removeLportTagInterfaceMap(idManagerService, transaction, interfaceName);
 308     }
 309
 310     // For trunk interfaces, binding to a parent interface which is already bound to another trunk interface should not
 311     // be allowed
 312     public static boolean createInterfaceChildEntryIfNotPresent( DataBroker dataBroker, WriteTransaction t,
 313                                                                  String parentInterface, String childInterface){
 314         InterfaceParentEntryKey interfaceParentEntryKey = new InterfaceParentEntryKey(parentInterface);
 315         InstanceIdentifier<InterfaceParentEntry> interfaceParentEntryIdentifier =
 316                 InterfaceMetaUtils.getInterfaceParentEntryIdentifier(interfaceParentEntryKey);
 317         InterfaceParentEntry interfaceParentEntry =
 318                 InterfaceMetaUtils.getInterfaceParentEntryFromConfigDS(interfaceParentEntryIdentifier, dataBroker);
 319
 320         if(interfaceParentEntry != null){
 321             LOG.error("Trying to bind the same parent interface {} to multiple trunk interfaces. ", parentInterface);
 322             return false;
 323         }
 324
 325         LOG.info("First vlan trunk {} bound on parent-interface {}", childInterface, parentInterface);
 326         InterfaceChildEntryKey interfaceChildEntryKey = new InterfaceChildEntryKey(childInterface);
 327         InstanceIdentifier<InterfaceChildEntry> intfId =
 328                 InterfaceMetaUtils.getInterfaceChildEntryIdentifier(interfaceParentEntryKey, interfaceChildEntryKey);
 329         InterfaceChildEntryBuilder entryBuilder = new InterfaceChildEntryBuilder().setKey(interfaceChildEntryKey)
 330                 .setChildInterface(childInterface);
 331         t.put(LogicalDatastoreType.CONFIGURATION, intfId, entryBuilder.build(),true);
 332         return true;
 333     }
 334
 335     public static boolean deleteParentInterfaceEntry( WriteTransaction t, String parentInterface){
 336         InterfaceParentEntryKey interfaceParentEntryKey = new InterfaceParentEntryKey(parentInterface);
 337         InstanceIdentifier<InterfaceParentEntry> interfaceParentEntryIdentifier = InterfaceMetaUtils.getInterfaceParentEntryIdentifier(interfaceParentEntryKey);
 338         t.delete(LogicalDatastoreType.CONFIGURATION, interfaceParentEntryIdentifier);
 339         return true;
 340     }
 341
 342     /*
 343      * update operational state of interface based on events like tunnel monitoring
 344      */
 345     public static void updateOpState(WriteTransaction transaction, String interfaceName,
 346                                      org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface.OperStatus operStatus){
 347         InstanceIdentifier<org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface> ifStateId =
 348                 IfmUtil.buildStateInterfaceId(interfaceName);
 349         LOG.debug("updating tep interface state as {} for {}", operStatus.name(), interfaceName);
 350         InterfaceBuilder ifaceBuilder = new InterfaceBuilder().setOperStatus(operStatus);
 351         ifaceBuilder.setKey(IfmUtil.getStateInterfaceKeyFromName(interfaceName));
 352         transaction.merge(LogicalDatastoreType.OPERATIONAL, ifStateId, ifaceBuilder.build());
 353     }
 354
 355     public static boolean isTunnelInterface(Interface interfaceInfo){
 356         if(interfaceInfo != null && interfaceInfo.getAugmentation(IfTunnel.class) != null){
 357             return true;
 358         }
 359         return false;
 360     }
 361
 362     public static boolean isVlanInterface(Interface interfaceInfo){
 363         if(interfaceInfo != null && interfaceInfo.getAugmentation(IfL2vlan.class) != null){
 364             return true;
 365         }
 366         return false;
 367     }
 368
 369 }