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     public static Interface getInterfaceFromConfigDS(InterfaceKey interfaceKey, DataBroker dataBroker) {
 103         InstanceIdentifier<Interface> interfaceId = getInterfaceIdentifier(interfaceKey);
 104         Optional<Interface> interfaceOptional = IfmUtil.read(LogicalDatastoreType.CONFIGURATION, interfaceId, dataBroker);
 105         if (!interfaceOptional.isPresent()) {
 106             return null;
 107         }
 108
 109         return interfaceOptional.get();
 110     }
 111
 112     public static org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface getInterfaceStateFromOperDS(String interfaceName, DataBroker dataBroker) {
 113         InstanceIdentifier<org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface> ifStateId =
 114                 IfmUtil.buildStateInterfaceId(interfaceName);
 115         Optional<org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface> ifStateOptional =
 116                 IfmUtil.read(LogicalDatastoreType.OPERATIONAL, ifStateId, dataBroker);
 117         if (!ifStateOptional.isPresent()) {
 118             return null;
 119         }
 120
 121         return ifStateOptional.get();
 122     }
 123     public static void makeTunnelIngressFlow(List<ListenableFuture<Void>> futures, IMdsalApiManager mdsalApiManager,
 124                                              IfTunnel tunnel, BigInteger dpnId, long portNo, Interface iface, int ifIndex, int addOrRemoveFlow) {
 125         LOG.debug("make tunnel ingress flow for {}",iface.getName());
 126         String flowRef = InterfaceManagerCommonUtils.getTunnelInterfaceFlowRef(dpnId, NwConstants.VLAN_INTERFACE_INGRESS_TABLE, iface.getName());
 127         List<MatchInfo> matches = new ArrayList<MatchInfo>();
 128         List<InstructionInfo> mkInstructions = new ArrayList<InstructionInfo>();
 129         if (NwConstants.ADD_FLOW == addOrRemoveFlow) {
 130             matches.add(new MatchInfo(MatchFieldType.in_port, new BigInteger[] {
 131                     dpnId, BigInteger.valueOf(portNo) }));
 132             mkInstructions.add(new InstructionInfo(
 133                     InstructionType.write_metadata, new BigInteger[] {
 134                             MetaDataUtil.getLportTagMetaData(ifIndex).or(BigInteger.ONE),
 135                             MetaDataUtil.METADATA_MASK_LPORT_TAG_SH_FLAG}));
 136             short tableId = tunnel.getTunnelInterfaceType().isAssignableFrom(TunnelTypeMplsOverGre.class) ? NwConstants.L3_LFIB_TABLE :
 137                     tunnel.isInternal() ? NwConstants.INTERNAL_TUNNEL_TABLE : NwConstants.DHCP_TABLE_EXTERNAL_TUNNEL;
 138             mkInstructions.add(new InstructionInfo(InstructionType.goto_table, new long[] {tableId}));
 139         }
 140
 141         BigInteger COOKIE_VM_INGRESS_TABLE = new BigInteger("8000001", 16);
 142         FlowEntity flowEntity = MDSALUtil.buildFlowEntity(dpnId, NwConstants.VLAN_INTERFACE_INGRESS_TABLE, flowRef,
 143                 IfmConstants.DEFAULT_FLOW_PRIORITY, iface.getName(), 0, 0, COOKIE_VM_INGRESS_TABLE, matches, mkInstructions);
 144         if (NwConstants.ADD_FLOW == addOrRemoveFlow) {
 145             futures.add(mdsalApiManager.installFlow(dpnId, flowEntity));
 146         } else {
 147             futures.add(mdsalApiManager.removeFlow(dpnId, flowEntity));
 148         }
 149     }
 150     public static String getTunnelInterfaceFlowRef(BigInteger dpnId, short tableId, String ifName) {
 151         return new StringBuilder().append(dpnId).append(tableId).append(ifName).toString();
 152     }
 153
 154     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) {
 155         InstanceIdentifier<org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface> interfaceId = IfmUtil.buildStateInterfaceId(interfaceName);
 156         InterfaceBuilder ifaceBuilder = new InterfaceBuilder().setKey(new org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.InterfaceKey(interfaceName));
 157         org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface interfaceData = ifaceBuilder.setOperStatus(opStatus).build();
 158         MDSALUtil.syncUpdate(broker, LogicalDatastoreType.OPERATIONAL, interfaceId, interfaceData);
 159     }
 160
 161     public static void updateTunnelMonitorDetailsInConfigDS(DataBroker broker, String interfaceName, boolean monitorEnabled, long monitorInterval) {
 162         InstanceIdentifier<Interface> id = IfmUtil.buildId(interfaceName);
 163         org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.InterfaceBuilder ifaceBuilder = new org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.InterfaceBuilder();
 164         ifaceBuilder.setKey(new InterfaceKey(interfaceName));
 165         IfTunnelBuilder ifTunnelBuilder = new IfTunnelBuilder();
 166         ifTunnelBuilder.setMonitorEnabled(monitorEnabled);
 167         ifTunnelBuilder.setMonitorInterval(monitorInterval);
 168         ifaceBuilder.addAugmentation(IfTunnel.class, ifTunnelBuilder.build());
 169
 170         LOG.trace("Updating trunk interface {} in Config DS", interfaceName);
 171         MDSALUtil.syncUpdate(broker, LogicalDatastoreType.OPERATIONAL, id, ifaceBuilder.build());
 172     }
 173
 174     public static void createInterfaceChildEntry( WriteTransaction t,
 175                                                   String parentInterface, String childInterface){
 176         InterfaceParentEntryKey interfaceParentEntryKey = new InterfaceParentEntryKey(parentInterface);
 177         InterfaceChildEntryKey interfaceChildEntryKey = new InterfaceChildEntryKey(childInterface);
 178         InstanceIdentifier<InterfaceChildEntry> intfId =
 179                 InterfaceMetaUtils.getInterfaceChildEntryIdentifier(interfaceParentEntryKey, interfaceChildEntryKey);
 180         InterfaceChildEntryBuilder entryBuilder = new InterfaceChildEntryBuilder().setKey(interfaceChildEntryKey)
 181                 .setChildInterface(childInterface);
 182         t.put(LogicalDatastoreType.CONFIGURATION, intfId, entryBuilder.build(),true);
 183     }
 184
 185     public static org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface.OperStatus
 186            updateStateEntry(Interface interfaceNew, DataBroker dataBroker, WriteTransaction transaction,
 187                           org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface ifState) {
 188         org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface.OperStatus operStatus;
 189         if (!interfaceNew.isEnabled()) {
 190             operStatus = org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface.OperStatus.Down;
 191         } else {
 192             String ncStr = ifState.getLowerLayerIf().get(0);
 193             NodeConnectorId nodeConnectorId = new NodeConnectorId(ncStr);
 194             NodeConnector nodeConnector =
 195                     InterfaceManagerCommonUtils.getNodeConnectorFromInventoryOperDS(nodeConnectorId, dataBroker);
 196             FlowCapableNodeConnector flowCapableNodeConnector =
 197                     nodeConnector.getAugmentation(FlowCapableNodeConnector.class);
 198             //State state = flowCapableNodeConnector.getState();
 199             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;
 200         }
 201
 202         String ifName = interfaceNew.getName();
 203         InstanceIdentifier<org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface> ifStateId =
 204                 IfmUtil.buildStateInterfaceId(interfaceNew.getName());
 205         InterfaceBuilder ifaceBuilder = new InterfaceBuilder();
 206         ifaceBuilder.setOperStatus(operStatus);
 207         ifaceBuilder.setKey(IfmUtil.getStateInterfaceKeyFromName(ifName));
 208         transaction.merge(LogicalDatastoreType.OPERATIONAL, ifStateId, ifaceBuilder.build());
 209         return operStatus;
 210     }
 211
 212     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,
 213                                         WriteTransaction transaction) {
 214         LOG.debug("updating operational status for interface {}",interfaceName);
 215         InstanceIdentifier<org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface> ifChildStateId =
 216                 IfmUtil.buildStateInterfaceId(interfaceName);
 217         InterfaceBuilder ifaceBuilderChild = new InterfaceBuilder();
 218         ifaceBuilderChild.setOperStatus(operStatus);
 219         ifaceBuilderChild.setKey(IfmUtil.getStateInterfaceKeyFromName(interfaceName));
 220         transaction.merge(LogicalDatastoreType.OPERATIONAL, ifChildStateId, ifaceBuilderChild.build());
 221     }
 222
 223     public static void addStateEntry(String interfaceName, WriteTransaction transaction, DataBroker dataBroker, IdManagerService idManager,
 224                                      org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface ifState) {
 225         LOG.debug("adding interface state for {}",interfaceName);
 226         org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface.OperStatus operStatus = ifState.getOperStatus();
 227         PhysAddress physAddress = ifState.getPhysAddress();
 228         org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface.AdminStatus adminStatus = ifState.getAdminStatus();
 229         NodeConnectorId nodeConnectorId = new NodeConnectorId(ifState.getLowerLayerIf().get(0));
 230         InterfaceKey interfaceKey = new InterfaceKey(interfaceName);
 231         org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.Interface interfaceInfo =
 232                 InterfaceManagerCommonUtils.getInterfaceFromConfigDS(interfaceKey, dataBroker);
 233
 234         if (interfaceInfo != null && !interfaceInfo.isEnabled()) {
 235             operStatus = org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface.OperStatus.Down;
 236         }
 237
 238         InstanceIdentifier<org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface> ifStateId =
 239                 IfmUtil.buildStateInterfaceId(interfaceName);
 240         List<String> childLowerLayerIfList = new ArrayList<>();
 241         childLowerLayerIfList.add(0, nodeConnectorId.getValue());
 242         InterfaceBuilder ifaceBuilder = new InterfaceBuilder().setAdminStatus(adminStatus)
 243                 .setOperStatus(operStatus).setPhysAddress(physAddress).setLowerLayerIf(childLowerLayerIfList);
 244
 245         Integer ifIndex = IfmUtil.allocateId(idManager, IfmConstants.IFM_IDPOOL_NAME, interfaceName);
 246         ifaceBuilder.setIfIndex(ifIndex);
 247
 248         if(interfaceInfo != null){
 249             ifaceBuilder.setType(interfaceInfo.getType());
 250         }
 251         ifaceBuilder.setKey(IfmUtil.getStateInterfaceKeyFromName(interfaceName));
 252         transaction.put(LogicalDatastoreType.OPERATIONAL, ifStateId, ifaceBuilder.build(), true);
 253
 254         // create lportTag Interface Map
 255         InterfaceMetaUtils.createLportTagInterfaceMap(transaction, interfaceName, ifIndex);
 256
 257         // install ingress flow
 258         BigInteger dpId = new BigInteger(IfmUtil.getDpnFromNodeConnectorId(nodeConnectorId));
 259         long portNo = Long.valueOf(IfmUtil.getPortNoFromNodeConnectorId(nodeConnectorId));
 260         if(interfaceInfo.isEnabled() && ifState.getOperStatus() == org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface.OperStatus.Up) {
 261             List<MatchInfo> matches = FlowBasedServicesUtils.getMatchInfoForVlanPortAtIngressTable(dpId, portNo, interfaceInfo);
 262             FlowBasedServicesUtils.installVlanFlow(dpId, portNo, interfaceInfo, transaction, matches, ifIndex);
 263         }
 264     }
 265
 266     public static org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface
 267                   addStateEntry(Interface interfaceInfo, String portName, WriteTransaction transaction, IdManagerService idManager,
 268                                      PhysAddress physAddress, org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface.OperStatus operStatus,
 269                                      org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface.AdminStatus adminStatus,
 270                                      NodeConnectorId nodeConnectorId) {
 271         LOG.debug("adding interface state for {}",portName);
 272         if (interfaceInfo != null && !interfaceInfo.isEnabled()) {
 273             operStatus = org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface.OperStatus.Down;
 274         }
 275         InstanceIdentifier<org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface> ifStateId =
 276                 IfmUtil.buildStateInterfaceId(portName);
 277         List<String> childLowerLayerIfList = new ArrayList<>();
 278         childLowerLayerIfList.add(0, nodeConnectorId.getValue());
 279         InterfaceBuilder ifaceBuilder = new InterfaceBuilder().setAdminStatus(adminStatus)
 280                 .setOperStatus(operStatus).setPhysAddress(physAddress).setLowerLayerIf(childLowerLayerIfList);
 281
 282         Integer ifIndex = IfmUtil.allocateId(idManager, IfmConstants.IFM_IDPOOL_NAME, portName);
 283         ifaceBuilder.setIfIndex(ifIndex);
 284
 285         if(interfaceInfo != null){
 286             ifaceBuilder.setType(interfaceInfo.getType());
 287         }
 288         ifaceBuilder.setKey(IfmUtil.getStateInterfaceKeyFromName(portName));
 289         org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface ifState = ifaceBuilder.build();
 290         transaction.put(LogicalDatastoreType.OPERATIONAL, ifStateId,ifState , true);
 291
 292         // allocate lport tag and set in if-index
 293         InterfaceMetaUtils.createLportTagInterfaceMap(transaction, portName, ifIndex);
 294         return ifState;
 295     }
 296
 297     public static void deleteStateEntry(String interfaceName, WriteTransaction transaction) {
 298         LOG.debug("removing interface state for {}",interfaceName);
 299         InstanceIdentifier<org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface> ifChildStateId =
 300                 IfmUtil.buildStateInterfaceId(interfaceName);
 301         transaction.delete(LogicalDatastoreType.OPERATIONAL, ifChildStateId);
 302     }
 303
 304     // For trunk interfaces, binding to a parent interface which is already bound to another trunk interface should not
 305     // be allowed
 306     public static boolean createInterfaceChildEntryIfNotPresent( DataBroker dataBroker, WriteTransaction t,
 307                                                String parentInterface, String childInterface){
 308         InterfaceParentEntryKey interfaceParentEntryKey = new InterfaceParentEntryKey(parentInterface);
 309         InstanceIdentifier<InterfaceParentEntry> interfaceParentEntryIdentifier =
 310                 InterfaceMetaUtils.getInterfaceParentEntryIdentifier(interfaceParentEntryKey);
 311         InterfaceParentEntry interfaceParentEntry =
 312                 InterfaceMetaUtils.getInterfaceParentEntryFromConfigDS(interfaceParentEntryIdentifier, dataBroker);
 313
 314         if(interfaceParentEntry != null){
 315             LOG.error("Trying to bind the same parent interface {} to multiple trunk interfaces. ", parentInterface);
 316             return false;
 317         }
 318
 319         LOG.info("First vlan trunk {} bound on parent-interface {}", childInterface, parentInterface);
 320         InterfaceChildEntryKey interfaceChildEntryKey = new InterfaceChildEntryKey(childInterface);
 321         InstanceIdentifier<InterfaceChildEntry> intfId =
 322                 InterfaceMetaUtils.getInterfaceChildEntryIdentifier(interfaceParentEntryKey, interfaceChildEntryKey);
 323         InterfaceChildEntryBuilder entryBuilder = new InterfaceChildEntryBuilder().setKey(interfaceChildEntryKey)
 324                 .setChildInterface(childInterface);
 325         t.put(LogicalDatastoreType.CONFIGURATION, intfId, entryBuilder.build(),true);
 326         return true;
 327     }
 328
 329     public static boolean deleteParentInterfaceEntry( WriteTransaction t, String parentInterface){
 330         InterfaceParentEntryKey interfaceParentEntryKey = new InterfaceParentEntryKey(parentInterface);
 331         InstanceIdentifier<InterfaceParentEntry> interfaceParentEntryIdentifier = InterfaceMetaUtils.getInterfaceParentEntryIdentifier(interfaceParentEntryKey);
 332         t.delete(LogicalDatastoreType.CONFIGURATION, interfaceParentEntryIdentifier);
 333         return true;
 334     }
 335
 336     public static void deleteInterfaceChildEntry(WriteTransaction transaction, DataBroker dataBroker, String parentInterface, String childInterface){
 337         InterfaceParentEntryKey interfaceParentEntryKey = new InterfaceParentEntryKey(parentInterface);
 338         InstanceIdentifier<InterfaceParentEntry> interfaceParentEntryIid =
 339                 InterfaceMetaUtils.getInterfaceParentEntryIdentifier(interfaceParentEntryKey);
 340         InterfaceParentEntry interfaceParentEntry =
 341                 InterfaceMetaUtils.getInterfaceParentEntryFromConfigDS(interfaceParentEntryIid, dataBroker);
 342
 343         if(interfaceParentEntry == null){
 344             return;
 345         }
 346
 347         List<InterfaceChildEntry> interfaceChildEntries = interfaceParentEntry.getInterfaceChildEntry();
 348         if (interfaceChildEntries.size() <= 1) {
 349             transaction.delete(LogicalDatastoreType.CONFIGURATION, interfaceParentEntryIid);
 350         } else {
 351             InterfaceChildEntryKey interfaceChildEntryKey = new InterfaceChildEntryKey(childInterface);
 352             InstanceIdentifier<InterfaceChildEntry> interfaceChildEntryIid =
 353                     InterfaceMetaUtils.getInterfaceChildEntryIdentifier(interfaceParentEntryKey, interfaceChildEntryKey);
 354             transaction.delete(LogicalDatastoreType.CONFIGURATION, interfaceChildEntryIid);
 355         }
 356     }
 357
 358     /*
 359      * update operational state of interface based on events like tunnel monitoring
 360      */
 361     public static void updateOpState(WriteTransaction transaction, String interfaceName,
 362                                      org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface.OperStatus operStatus){
 363         LOG.debug("updating tep interface state for {}", interfaceName);
 364         InstanceIdentifier<org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface> ifStateId =
 365                 IfmUtil.buildStateInterfaceId(interfaceName);
 366         InterfaceBuilder ifaceBuilder = new InterfaceBuilder().setOperStatus(operStatus);
 367         ifaceBuilder.setKey(IfmUtil.getStateInterfaceKeyFromName(interfaceName));
 368         transaction.merge(LogicalDatastoreType.OPERATIONAL, ifStateId, ifaceBuilder.build());
 369     }
 370
 371 }