interfacemgr/interfacemgr-impl/src/main/java/org/opendaylight/vpnservice/interfacemgr/commons/InterfaceManagerCommonUtils.java

   1 /*
   2  * Copyright (c) 2015 - 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.vpnservice.interfacemgr.commons;
  10
  11 import java.math.BigInteger;
  12 import java.util.ArrayList;
  13 import java.util.List;
  14
  15 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  16 import org.opendaylight.controller.md.sal.binding.api.WriteTransaction;
  17 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  18 import org.opendaylight.vpnservice.interfacemgr.IfmConstants;
  19 import org.opendaylight.vpnservice.interfacemgr.IfmUtil;
  20 import org.opendaylight.vpnservice.interfacemgr.globals.InterfaceInfo;
  21 import org.opendaylight.vpnservice.interfacemgr.servicebindings.flowbased.utilities.FlowBasedServicesUtils;
  22 import org.opendaylight.vpnservice.mdsalutil.FlowEntity;
  23 import org.opendaylight.vpnservice.mdsalutil.InstructionInfo;
  24 import org.opendaylight.vpnservice.mdsalutil.InstructionType;
  25 import org.opendaylight.vpnservice.mdsalutil.MDSALUtil;
  26 import org.opendaylight.vpnservice.mdsalutil.MatchFieldType;
  27 import org.opendaylight.vpnservice.mdsalutil.MatchInfo;
  28 import org.opendaylight.vpnservice.mdsalutil.MetaDataUtil;
  29 import org.opendaylight.vpnservice.mdsalutil.NwConstants;
  30 import org.opendaylight.vpnservice.mdsalutil.interfaces.IMdsalApiManager;
  31 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.InterfaceType;
  32 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.Interfaces;
  33 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.Interface;
  34 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.InterfaceKey;
  35 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.InterfaceBuilder;
  36 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.PhysAddress;
  37 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNodeConnector;
  38 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeConnectorId;
  39 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeId;
  40 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.Nodes;
  41 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.node.NodeConnector;
  42 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.node.NodeConnectorKey;
  43 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node;
  44 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.NodeKey;
  45 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.idmanager.rev150403.IdManagerService;
  46 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.meta.rev151007._interface.child.info.InterfaceParentEntry;
  47 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.meta.rev151007._interface.child.info.InterfaceParentEntryBuilder;
  48 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.meta.rev151007._interface.child.info.InterfaceParentEntryKey;
  49 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.meta.rev151007._interface.child.info._interface.parent.entry.InterfaceChildEntry;
  50 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.meta.rev151007._interface.child.info._interface.parent.entry.InterfaceChildEntryBuilder;
  51 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.meta.rev151007._interface.child.info._interface.parent.entry.InterfaceChildEntryKey;
  52 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.rev150331.IfTunnel;
  53 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.rev150331.IfTunnelBuilder;
  54 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.rev150331.TunnelTypeMplsOverGre;
  55 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  56 import org.slf4j.Logger;
  57 import org.slf4j.LoggerFactory;
  58
  59 import com.google.common.base.Optional;
  60 import com.google.common.util.concurrent.ListenableFuture;
  61
  62 public class InterfaceManagerCommonUtils {
  63     private static final Logger LOG = LoggerFactory.getLogger(InterfaceManagerCommonUtils.class);
  64     public static NodeConnector getNodeConnectorFromInventoryOperDS(NodeConnectorId nodeConnectorId,
  65                                                                     DataBroker dataBroker) {
  66         NodeId nodeId = IfmUtil.getNodeIdFromNodeConnectorId(nodeConnectorId);
  67         InstanceIdentifier<NodeConnector> ncIdentifier = InstanceIdentifier.builder(Nodes.class)
  68                 .child(Node.class, new NodeKey(nodeId))
  69                 .child(NodeConnector.class, new NodeConnectorKey(nodeConnectorId)).build();
  70
  71         Optional<NodeConnector> nodeConnectorOptional = IfmUtil.read(LogicalDatastoreType.OPERATIONAL,
  72                 ncIdentifier, dataBroker);
  73         if (!nodeConnectorOptional.isPresent()) {
  74             return null;
  75         }
  76         return nodeConnectorOptional.get();
  77     }
  78
  79     public static InstanceIdentifier<Interface> getInterfaceIdentifier(InterfaceKey interfaceKey) {
  80         InstanceIdentifier.InstanceIdentifierBuilder<Interface> interfaceInstanceIdentifierBuilder =
  81                 InstanceIdentifier.builder(Interfaces.class).child(Interface.class, interfaceKey);
  82         return interfaceInstanceIdentifierBuilder.build();
  83     }
  84
  85     public static List<Interface> getAllTunnelInterfaces(DataBroker dataBroker, InterfaceInfo.InterfaceType interfaceType) {
  86         List<Interface> vxlanList = new ArrayList<Interface>();
  87         InstanceIdentifier<Interfaces> interfacesInstanceIdentifier =  InstanceIdentifier.builder(Interfaces.class).build();
  88         Optional<Interfaces> interfacesOptional  = IfmUtil.read(LogicalDatastoreType.CONFIGURATION, interfacesInstanceIdentifier, dataBroker);
  89         if (!interfacesOptional.isPresent()) {
  90             return vxlanList;
  91         }
  92         Interfaces interfaces = interfacesOptional.get();
  93         List<Interface> interfacesList = interfaces.getInterface();
  94         for (Interface iface : interfacesList) {
  95             if(IfmUtil.getInterfaceType(iface) == InterfaceInfo.InterfaceType.VXLAN_TRUNK_INTERFACE &&
  96                     iface.getAugmentation(IfTunnel.class).isInternal()) {
  97                 vxlanList.add(iface);
  98             }
  99         }
 100         return vxlanList;
 101     }
 102
 103     public static Interface getInterfaceFromConfigDS(String interfaceName, DataBroker dataBroker) {
 104         InterfaceKey interfaceKey = new InterfaceKey(interfaceName);
 105         return getInterfaceFromConfigDS(interfaceKey, dataBroker);
 106     }
 107
 108     public static Interface getInterfaceFromConfigDS(InterfaceKey interfaceKey, DataBroker dataBroker) {
 109         InstanceIdentifier<Interface> interfaceId = getInterfaceIdentifier(interfaceKey);
 110         Optional<Interface> interfaceOptional = IfmUtil.read(LogicalDatastoreType.CONFIGURATION, interfaceId, dataBroker);
 111         if (!interfaceOptional.isPresent()) {
 112             return null;
 113         }
 114
 115         return interfaceOptional.get();
 116     }
 117
 118     public static org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface getInterfaceStateFromOperDS(String interfaceName, DataBroker dataBroker) {
 119         InstanceIdentifier<org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface> ifStateId =
 120                 IfmUtil.buildStateInterfaceId(interfaceName);
 121         return getInterfaceStateFromOperDS(ifStateId, dataBroker);
 122     }
 123
 124     public static org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface getInterfaceStateFromOperDS
 125             (InstanceIdentifier<org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface> ifStateId, DataBroker dataBroker) {
 126         Optional<org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface> ifStateOptional =
 127                 IfmUtil.read(LogicalDatastoreType.OPERATIONAL, ifStateId, dataBroker);
 128         if (!ifStateOptional.isPresent()) {
 129             return null;
 130         }
 131
 132         return ifStateOptional.get();
 133     }
 134     public static void makeTunnelIngressFlow(List<ListenableFuture<Void>> futures, IMdsalApiManager mdsalApiManager,
 135                                              IfTunnel tunnel, BigInteger dpnId, long portNo, Interface iface, int ifIndex, int addOrRemoveFlow) {
 136         LOG.debug("make tunnel ingress flow for {}",iface.getName());
 137         String flowRef = InterfaceManagerCommonUtils.getTunnelInterfaceFlowRef(dpnId, NwConstants.VLAN_INTERFACE_INGRESS_TABLE, iface.getName());
 138         List<MatchInfo> matches = new ArrayList<MatchInfo>();
 139         List<InstructionInfo> mkInstructions = new ArrayList<InstructionInfo>();
 140         if (NwConstants.ADD_FLOW == addOrRemoveFlow) {
 141             matches.add(new MatchInfo(MatchFieldType.in_port, new BigInteger[] {
 142                     dpnId, BigInteger.valueOf(portNo) }));
 143             mkInstructions.add(new InstructionInfo(
 144                     InstructionType.write_metadata, new BigInteger[] {
 145                             MetaDataUtil.getLportTagMetaData(ifIndex).or(BigInteger.ONE),
 146                             MetaDataUtil.METADATA_MASK_LPORT_TAG_SH_FLAG}));
 147             short tableId = tunnel.getTunnelInterfaceType().isAssignableFrom(TunnelTypeMplsOverGre.class) ? NwConstants.L3_LFIB_TABLE :
 148                     tunnel.isInternal() ? NwConstants.INTERNAL_TUNNEL_TABLE : NwConstants.DHCP_TABLE_EXTERNAL_TUNNEL;
 149             mkInstructions.add(new InstructionInfo(InstructionType.goto_table, new long[] {tableId}));
 150         }
 151
 152         BigInteger COOKIE_VM_INGRESS_TABLE = new BigInteger("8000001", 16);
 153         FlowEntity flowEntity = MDSALUtil.buildFlowEntity(dpnId, NwConstants.VLAN_INTERFACE_INGRESS_TABLE, flowRef,
 154                 IfmConstants.DEFAULT_FLOW_PRIORITY, iface.getName(), 0, 0, COOKIE_VM_INGRESS_TABLE, matches, mkInstructions);
 155         if (NwConstants.ADD_FLOW == addOrRemoveFlow) {
 156             futures.add(mdsalApiManager.installFlow(dpnId, flowEntity));
 157         } else {
 158             futures.add(mdsalApiManager.removeFlow(dpnId, flowEntity));
 159         }
 160     }
 161     public static String getTunnelInterfaceFlowRef(BigInteger dpnId, short tableId, String ifName) {
 162         return new StringBuilder().append(dpnId).append(tableId).append(ifName).toString();
 163     }
 164
 165     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) {
 166         InstanceIdentifier<org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface> interfaceId = IfmUtil.buildStateInterfaceId(interfaceName);
 167         InterfaceBuilder ifaceBuilder = new InterfaceBuilder().setKey(new org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.InterfaceKey(interfaceName));
 168         org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface interfaceData = ifaceBuilder.setOperStatus(opStatus).build();
 169         MDSALUtil.syncUpdate(broker, LogicalDatastoreType.OPERATIONAL, interfaceId, interfaceData);
 170     }
 171
 172     public static void createInterfaceChildEntry( WriteTransaction t,
 173                                                   String parentInterface, String childInterface){
 174         InterfaceParentEntryKey interfaceParentEntryKey = new InterfaceParentEntryKey(parentInterface);
 175         InterfaceChildEntryKey interfaceChildEntryKey = new InterfaceChildEntryKey(childInterface);
 176         InstanceIdentifier<InterfaceChildEntry> intfId =
 177                 InterfaceMetaUtils.getInterfaceChildEntryIdentifier(interfaceParentEntryKey, interfaceChildEntryKey);
 178         InterfaceChildEntryBuilder entryBuilder = new InterfaceChildEntryBuilder().setKey(interfaceChildEntryKey)
 179                 .setChildInterface(childInterface);
 180         t.put(LogicalDatastoreType.CONFIGURATION, intfId, entryBuilder.build(),true);
 181     }
 182
 183     public static org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface.OperStatus
 184            updateStateEntry(Interface interfaceNew, DataBroker dataBroker, WriteTransaction transaction,
 185                           org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface ifState) {
 186         org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface.OperStatus operStatus;
 187         if (!interfaceNew.isEnabled()) {
 188             operStatus = org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface.OperStatus.Down;
 189         } else {
 190             String ncStr = ifState.getLowerLayerIf().get(0);
 191             NodeConnectorId nodeConnectorId = new NodeConnectorId(ncStr);
 192             NodeConnector nodeConnector =
 193                     InterfaceManagerCommonUtils.getNodeConnectorFromInventoryOperDS(nodeConnectorId, dataBroker);
 194             FlowCapableNodeConnector flowCapableNodeConnector =
 195                     nodeConnector.getAugmentation(FlowCapableNodeConnector.class);
 196             //State state = flowCapableNodeConnector.getState();
 197             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;
 198         }
 199
 200         String ifName = interfaceNew.getName();
 201         InstanceIdentifier<org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface> ifStateId =
 202                 IfmUtil.buildStateInterfaceId(interfaceNew.getName());
 203         InterfaceBuilder ifaceBuilder = new InterfaceBuilder();
 204         ifaceBuilder.setOperStatus(operStatus);
 205         ifaceBuilder.setKey(IfmUtil.getStateInterfaceKeyFromName(ifName));
 206         transaction.merge(LogicalDatastoreType.OPERATIONAL, ifStateId, ifaceBuilder.build());
 207         return operStatus;
 208     }
 209
 210     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,
 211                                         WriteTransaction transaction) {
 212         LOG.debug("updating operational status for interface {}",interfaceName);
 213         InstanceIdentifier<org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface> ifChildStateId =
 214                 IfmUtil.buildStateInterfaceId(interfaceName);
 215         InterfaceBuilder ifaceBuilderChild = new InterfaceBuilder();
 216         ifaceBuilderChild.setOperStatus(operStatus);
 217         ifaceBuilderChild.setKey(IfmUtil.getStateInterfaceKeyFromName(interfaceName));
 218         transaction.merge(LogicalDatastoreType.OPERATIONAL, ifChildStateId, ifaceBuilderChild.build());
 219     }
 220
 221     public static void addStateEntry(String interfaceName, WriteTransaction transaction, DataBroker dataBroker, IdManagerService idManager,
 222                                      org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface ifState) {
 223         LOG.debug("adding interface state for {}",interfaceName);
 224         org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface.OperStatus operStatus = ifState.getOperStatus();
 225         PhysAddress physAddress = ifState.getPhysAddress();
 226         org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface.AdminStatus adminStatus = ifState.getAdminStatus();
 227         NodeConnectorId nodeConnectorId = new NodeConnectorId(ifState.getLowerLayerIf().get(0));
 228         InterfaceKey interfaceKey = new InterfaceKey(interfaceName);
 229         org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.Interface interfaceInfo =
 230                 InterfaceManagerCommonUtils.getInterfaceFromConfigDS(interfaceKey, dataBroker);
 231
 232         if (interfaceInfo != null && !interfaceInfo.isEnabled()) {
 233             operStatus = org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface.OperStatus.Down;
 234         }
 235
 236         InstanceIdentifier<org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface> ifStateId =
 237                 IfmUtil.buildStateInterfaceId(interfaceName);
 238         List<String> childLowerLayerIfList = new ArrayList<>();
 239         childLowerLayerIfList.add(0, nodeConnectorId.getValue());
 240         InterfaceBuilder ifaceBuilder = new InterfaceBuilder().setAdminStatus(adminStatus)
 241                 .setOperStatus(operStatus).setPhysAddress(physAddress).setLowerLayerIf(childLowerLayerIfList);
 242
 243         Integer ifIndex = IfmUtil.allocateId(idManager, IfmConstants.IFM_IDPOOL_NAME, interfaceName);
 244         ifaceBuilder.setIfIndex(ifIndex);
 245
 246         if(interfaceInfo != null){
 247             ifaceBuilder.setType(interfaceInfo.getType());
 248         }
 249         ifaceBuilder.setKey(IfmUtil.getStateInterfaceKeyFromName(interfaceName));
 250         transaction.put(LogicalDatastoreType.OPERATIONAL, ifStateId, ifaceBuilder.build(), true);
 251
 252         // create lportTag Interface Map
 253         InterfaceMetaUtils.createLportTagInterfaceMap(transaction, interfaceName, ifIndex);
 254
 255         // install ingress flow
 256         BigInteger dpId = new BigInteger(IfmUtil.getDpnFromNodeConnectorId(nodeConnectorId));
 257         long portNo = Long.valueOf(IfmUtil.getPortNoFromNodeConnectorId(nodeConnectorId));
 258         if(interfaceInfo != null && interfaceInfo.isEnabled() && ifState.getOperStatus() == org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface.OperStatus.Up) {
 259             List<MatchInfo> matches = FlowBasedServicesUtils.getMatchInfoForVlanPortAtIngressTable(dpId, portNo, interfaceInfo);
 260             FlowBasedServicesUtils.installVlanFlow(dpId, portNo, interfaceInfo, transaction, matches, ifIndex);
 261         }
 262     }
 263
 264     public static org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface
 265                   addStateEntry(Interface interfaceInfo, String portName, WriteTransaction transaction, IdManagerService idManager,
 266                                      PhysAddress physAddress, org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface.OperStatus operStatus,
 267                                      org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface.AdminStatus adminStatus,
 268                                      NodeConnectorId nodeConnectorId) {
 269         LOG.debug("adding interface state for {}",portName);
 270         if (interfaceInfo != null && !interfaceInfo.isEnabled()) {
 271             operStatus = org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface.OperStatus.Down;
 272         }
 273         InstanceIdentifier<org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface> ifStateId =
 274                 IfmUtil.buildStateInterfaceId(portName);
 275         List<String> childLowerLayerIfList = new ArrayList<>();
 276         childLowerLayerIfList.add(0, nodeConnectorId.getValue());
 277         InterfaceBuilder ifaceBuilder = new InterfaceBuilder().setAdminStatus(adminStatus)
 278                 .setOperStatus(operStatus).setPhysAddress(physAddress).setLowerLayerIf(childLowerLayerIfList);
 279
 280         Integer ifIndex = IfmUtil.allocateId(idManager, IfmConstants.IFM_IDPOOL_NAME, portName);
 281         ifaceBuilder.setIfIndex(ifIndex);
 282
 283         if(interfaceInfo != null){
 284             ifaceBuilder.setType(interfaceInfo.getType());
 285         }
 286         ifaceBuilder.setKey(IfmUtil.getStateInterfaceKeyFromName(portName));
 287         org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface ifState = ifaceBuilder.build();
 288         transaction.put(LogicalDatastoreType.OPERATIONAL, ifStateId,ifState , true);
 289
 290         // allocate lport tag and set in if-index
 291         InterfaceMetaUtils.createLportTagInterfaceMap(transaction, portName, ifIndex);
 292         return ifState;
 293     }
 294
 295     public static void deleteStateEntry(String interfaceName, WriteTransaction transaction) {
 296         LOG.debug("removing interface state 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     // For trunk interfaces, binding to a parent interface which is already bound to another trunk interface should not
 303     // be allowed
 304     public static boolean createInterfaceChildEntryIfNotPresent( DataBroker dataBroker, WriteTransaction t,
 305                                                String parentInterface, String childInterface){
 306         InterfaceParentEntryKey interfaceParentEntryKey = new InterfaceParentEntryKey(parentInterface);
 307         InstanceIdentifier<InterfaceParentEntry> interfaceParentEntryIdentifier =
 308                 InterfaceMetaUtils.getInterfaceParentEntryIdentifier(interfaceParentEntryKey);
 309         InterfaceParentEntry interfaceParentEntry =
 310                 InterfaceMetaUtils.getInterfaceParentEntryFromConfigDS(interfaceParentEntryIdentifier, dataBroker);
 311
 312         if(interfaceParentEntry != null){
 313             LOG.error("Trying to bind the same parent interface {} to multiple trunk interfaces. ", parentInterface);
 314             return false;
 315         }
 316
 317         LOG.info("First vlan trunk {} bound on parent-interface {}", childInterface, parentInterface);
 318         InterfaceChildEntryKey interfaceChildEntryKey = new InterfaceChildEntryKey(childInterface);
 319         InstanceIdentifier<InterfaceChildEntry> intfId =
 320                 InterfaceMetaUtils.getInterfaceChildEntryIdentifier(interfaceParentEntryKey, interfaceChildEntryKey);
 321         InterfaceChildEntryBuilder entryBuilder = new InterfaceChildEntryBuilder().setKey(interfaceChildEntryKey)
 322                 .setChildInterface(childInterface);
 323         t.put(LogicalDatastoreType.CONFIGURATION, intfId, entryBuilder.build(),true);
 324         return true;
 325     }
 326
 327     public static boolean deleteParentInterfaceEntry( WriteTransaction t, String parentInterface){
 328         InterfaceParentEntryKey interfaceParentEntryKey = new InterfaceParentEntryKey(parentInterface);
 329         InstanceIdentifier<InterfaceParentEntry> interfaceParentEntryIdentifier = InterfaceMetaUtils.getInterfaceParentEntryIdentifier(interfaceParentEntryKey);
 330         t.delete(LogicalDatastoreType.CONFIGURATION, interfaceParentEntryIdentifier);
 331         return true;
 332     }
 333
 334     public static void deleteInterfaceChildEntry(WriteTransaction transaction, DataBroker dataBroker, String parentInterface, String childInterface){
 335         InterfaceParentEntryKey interfaceParentEntryKey = new InterfaceParentEntryKey(parentInterface);
 336         InstanceIdentifier<InterfaceParentEntry> interfaceParentEntryIid =
 337                 InterfaceMetaUtils.getInterfaceParentEntryIdentifier(interfaceParentEntryKey);
 338         InterfaceParentEntry interfaceParentEntry =
 339                 InterfaceMetaUtils.getInterfaceParentEntryFromConfigDS(interfaceParentEntryIid, dataBroker);
 340
 341         if(interfaceParentEntry == null){
 342             return;
 343         }
 344
 345         List<InterfaceChildEntry> interfaceChildEntries = interfaceParentEntry.getInterfaceChildEntry();
 346         if (interfaceChildEntries.size() <= 1) {
 347             transaction.delete(LogicalDatastoreType.CONFIGURATION, interfaceParentEntryIid);
 348         } else {
 349             InterfaceChildEntryKey interfaceChildEntryKey = new InterfaceChildEntryKey(childInterface);
 350             InstanceIdentifier<InterfaceChildEntry> interfaceChildEntryIid =
 351                     InterfaceMetaUtils.getInterfaceChildEntryIdentifier(interfaceParentEntryKey, interfaceChildEntryKey);
 352             transaction.delete(LogicalDatastoreType.CONFIGURATION, interfaceChildEntryIid);
 353         }
 354     }
 355
 356     /*
 357      * update operational state of interface based on events like tunnel monitoring
 358      */
 359     public static void updateOpState(WriteTransaction transaction, String interfaceName,
 360                                      org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface.OperStatus operStatus){
 361         InstanceIdentifier<org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface> ifStateId =
 362                 IfmUtil.buildStateInterfaceId(interfaceName);
 363         LOG.debug("updating tep interface state as {} for {}", operStatus.name(), interfaceName);
 364         InterfaceBuilder ifaceBuilder = new InterfaceBuilder().setOperStatus(operStatus);
 365         ifaceBuilder.setKey(IfmUtil.getStateInterfaceKeyFromName(interfaceName));
 366         transaction.merge(LogicalDatastoreType.OPERATIONAL, ifStateId, ifaceBuilder.build());
 367     }
 368
 369 }