southbound/southbound-impl/src/main/java/org/opendaylight/ovsdb/southbound/transactions/md/OvsdbPortUpdateCommand.java

   1 /*
   2  * Copyright (c) 2014 Intel Corp. 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.ovsdb.southbound.transactions.md;
  10
  11 import java.util.ArrayList;
  12 import java.util.Collection;
  13 import java.util.Iterator;
  14 import java.util.List;
  15 import java.util.Map;
  16 import java.util.Map.Entry;
  17 import java.util.Set;
  18
  19 import org.opendaylight.controller.md.sal.binding.api.ReadWriteTransaction;
  20 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  21 import org.opendaylight.controller.md.sal.common.api.data.ReadFailedException;
  22 import org.opendaylight.ovsdb.lib.error.ColumnSchemaNotFoundException;
  23 import org.opendaylight.ovsdb.lib.error.SchemaVersionMismatchException;
  24 import org.opendaylight.ovsdb.lib.message.TableUpdates;
  25 import org.opendaylight.ovsdb.lib.notation.Column;
  26 import org.opendaylight.ovsdb.lib.notation.UUID;
  27 import org.opendaylight.ovsdb.lib.schema.DatabaseSchema;
  28 import org.opendaylight.ovsdb.lib.schema.GenericTableSchema;
  29 import org.opendaylight.ovsdb.lib.schema.typed.TyperUtils;
  30 import org.opendaylight.ovsdb.schema.openvswitch.Bridge;
  31 import org.opendaylight.ovsdb.schema.openvswitch.Interface;
  32 import org.opendaylight.ovsdb.schema.openvswitch.Port;
  33 import org.opendaylight.ovsdb.southbound.OvsdbConnectionInstance;
  34 import org.opendaylight.ovsdb.southbound.SouthboundConstants;
  35 import org.opendaylight.ovsdb.southbound.SouthboundMapper;
  36 import org.opendaylight.ovsdb.southbound.SouthboundUtil;
  37 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.Uuid;
  38 import org.opendaylight.yang.gen.v1.urn.opendaylight.l2.types.rev130827.VlanId;
  39 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbBridgeAugmentation;
  40 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbNodeAugmentation;
  41 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbPortInterfaceAttributes;
  42 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbTerminationPointAugmentation;
  43 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbTerminationPointAugmentationBuilder;
  44 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.node.attributes.ManagedNodeEntry;
  45 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.port._interface.attributes.InterfaceBfd;
  46 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.port._interface.attributes.InterfaceBfdBuilder;
  47 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.port._interface.attributes.InterfaceBfdKey;
  48 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.port._interface.attributes.InterfaceBfdStatus;
  49 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.port._interface.attributes.InterfaceBfdStatusBuilder;
  50 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.port._interface.attributes.InterfaceBfdStatusKey;
  51 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.port._interface.attributes.InterfaceExternalIds;
  52 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.port._interface.attributes.InterfaceExternalIdsBuilder;
  53 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.port._interface.attributes.InterfaceLldp;
  54 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.port._interface.attributes.InterfaceLldpBuilder;
  55 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.port._interface.attributes.InterfaceLldpKey;
  56 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.port._interface.attributes.InterfaceOtherConfigs;
  57 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.port._interface.attributes.InterfaceOtherConfigsBuilder;
  58 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.port._interface.attributes.Options;
  59 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.port._interface.attributes.OptionsBuilder;
  60 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.port._interface.attributes.OptionsKey;
  61 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.port._interface.attributes.PortExternalIds;
  62 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.port._interface.attributes.PortExternalIdsBuilder;
  63 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.port._interface.attributes.PortOtherConfigs;
  64 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.port._interface.attributes.PortOtherConfigsBuilder;
  65 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.port._interface.attributes.Trunks;
  66 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.port._interface.attributes.TrunksBuilder;
  67 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NetworkTopology;
  68 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NodeId;
  69 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.TpId;
  70 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.Topology;
  71 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.TopologyKey;
  72 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
  73 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.NodeKey;
  74 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.node.TerminationPoint;
  75 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.node.TerminationPointBuilder;
  76 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.node.TerminationPointKey;
  77 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  78 import org.slf4j.Logger;
  79 import org.slf4j.LoggerFactory;
  80
  81 import com.google.common.base.Optional;
  82
  83 public class OvsdbPortUpdateCommand extends AbstractTransactionCommand {
  84     private static final Logger LOG = LoggerFactory.getLogger(OvsdbPortUpdateCommand.class);
  85     private Map<UUID, Port> portUpdatedRows;
  86     private Map<UUID, Port> portOldRows;
  87     private Map<UUID, Interface> interfaceUpdatedRows;
  88     private Map<UUID, Interface> interfaceOldRows;
  89     private Map<UUID, Bridge> bridgeUpdatedRows;
  90     public OvsdbPortUpdateCommand(OvsdbConnectionInstance key, TableUpdates updates,
  91             DatabaseSchema dbSchema) {
  92         super(key, updates, dbSchema);
  93         portUpdatedRows = TyperUtils.extractRowsUpdated(Port.class, updates, dbSchema);
  94         portOldRows = TyperUtils.extractRowsOld(Port.class, updates, dbSchema);
  95         interfaceUpdatedRows = TyperUtils.extractRowsUpdated(Interface.class, updates, dbSchema);
  96         interfaceOldRows = TyperUtils.extractRowsOld(Interface.class, updates, dbSchema);
  97         bridgeUpdatedRows = TyperUtils.extractRowsUpdated(Bridge.class, updates, dbSchema);
  98     }
  99
 100     @Override
 101     public void execute(ReadWriteTransaction transaction) {
 102         final InstanceIdentifier<Node> connectionIId = getOvsdbConnectionInstance().getInstanceIdentifier();
 103         if ( (portUpdatedRows == null && interfaceOldRows == null )
 104                 || ( interfaceOldRows.isEmpty() && portUpdatedRows.isEmpty())) {
 105             return;
 106         }
 107         Optional<Node> node = readNode(transaction, connectionIId);
 108         if (node.isPresent()) {
 109             updateTerminationPoints(transaction, node.get());
 110         }
 111     }
 112     private void updateTerminationPoints(ReadWriteTransaction transaction, Node node) {
 113         for (Entry<UUID, Port> portUpdate : portUpdatedRows.entrySet()) {
 114             String portName = null;
 115             portName = portUpdate.getValue().getNameColumn().getData();
 116             Optional<InstanceIdentifier<Node>> bridgeIid = getTerminationPointBridge(portUpdate.getKey());
 117             if (!bridgeIid.isPresent()) {
 118                 bridgeIid = getTerminationPointBridge( transaction, node, portName);
 119             }
 120             if (bridgeIid.isPresent()) {
 121                 NodeId bridgeId = SouthboundMapper.createManagedNodeId(bridgeIid.get());
 122                 TerminationPointKey tpKey = new TerminationPointKey(new TpId(portName));
 123                 TerminationPointBuilder tpBuilder = new TerminationPointBuilder();
 124                 tpBuilder.setKey(tpKey);
 125                 tpBuilder.setTpId(tpKey.getTpId());
 126                 InstanceIdentifier<TerminationPoint> tpPath =
 127                         getInstanceIdentifier(bridgeIid.get(), portUpdate.getValue());
 128                 OvsdbTerminationPointAugmentationBuilder tpAugmentationBuilder =
 129                         new OvsdbTerminationPointAugmentationBuilder();
 130                 buildTerminationPoint(tpAugmentationBuilder,portUpdate.getValue());
 131                 UUID interfaceUUID = (UUID)portUpdate.getValue().getInterfacesColumn().getData().toArray()[0];
 132                 if (interfaceUpdatedRows.containsKey(interfaceUUID)) {
 133                     buildTerminationPoint(tpAugmentationBuilder,
 134                             interfaceUpdatedRows.get(interfaceUUID));
 135                     interfaceUpdatedRows.remove(interfaceUUID);
 136                     interfaceOldRows.remove(interfaceUUID);
 137                 }
 138                 tpBuilder.addAugmentation(OvsdbTerminationPointAugmentation.class, tpAugmentationBuilder.build());
 139                 if (portOldRows.containsKey(portUpdate.getKey()) && !portQosCleared(portUpdate)) {
 140                     transaction.merge(LogicalDatastoreType.OPERATIONAL,
 141                             tpPath, tpBuilder.build());
 142                 } else {
 143                     transaction.put(LogicalDatastoreType.OPERATIONAL,
 144                             tpPath, tpBuilder.build());
 145                 }
 146             }
 147         }
 148         for (Entry<UUID, Interface> interfaceUpdate : interfaceUpdatedRows.entrySet()) {
 149             String interfaceName = null;
 150             interfaceName = interfaceUpdatedRows.get(interfaceUpdate.getKey()).getNameColumn().getData();
 151             Optional<InstanceIdentifier<Node>> bridgeIid = getTerminationPointBridge( transaction, node, interfaceName);
 152             if (bridgeIid.isPresent()) {
 153                 NodeId bridgeId = SouthboundMapper.createManagedNodeId(bridgeIid.get());
 154                 TerminationPointKey tpKey = new TerminationPointKey(new TpId(interfaceName));
 155                 InstanceIdentifier<TerminationPoint> tpPath = InstanceIdentifier
 156                         .create(NetworkTopology.class)
 157                         .child(Topology.class, new TopologyKey(SouthboundConstants.OVSDB_TOPOLOGY_ID))
 158                         .child(Node.class,new NodeKey(bridgeId))
 159                         .child(TerminationPoint.class,tpKey);
 160                 TerminationPointBuilder tpBuilder = new TerminationPointBuilder();
 161                 tpBuilder.setKey(tpKey);
 162                 tpBuilder.setTpId(tpKey.getTpId());
 163                 OvsdbTerminationPointAugmentationBuilder tpAugmentationBuilder =
 164                         new OvsdbTerminationPointAugmentationBuilder();
 165                 buildTerminationPoint(tpAugmentationBuilder, interfaceUpdate.getValue());
 166                 tpBuilder.addAugmentation(OvsdbTerminationPointAugmentation.class, tpAugmentationBuilder.build());
 167                 transaction.merge(LogicalDatastoreType.OPERATIONAL,
 168                         tpPath, tpBuilder.build());
 169             }
 170         }
 171
 172     }
 173     private void buildTerminationPoint(OvsdbTerminationPointAugmentationBuilder tpAugmentationBuilder,
 174             Port portUpdate) {
 175
 176         tpAugmentationBuilder
 177                 .setName(portUpdate.getName());
 178         tpAugmentationBuilder.setPortUuid(new Uuid(
 179                 portUpdate.getUuid().toString()));
 180         updatePort(portUpdate, tpAugmentationBuilder);
 181     }
 182
 183     private void buildTerminationPoint(OvsdbTerminationPointAugmentationBuilder tpAugmentationBuilder,
 184             Interface interfaceUpdate) {
 185
 186         tpAugmentationBuilder
 187                 .setName(interfaceUpdate.getName());
 188         tpAugmentationBuilder.setInterfaceUuid(new Uuid(
 189                 interfaceUpdate.getUuid().toString()));
 190         updateInterfaces(interfaceUpdate, tpAugmentationBuilder);
 191     }
 192
 193     private Optional<Node> readNode(final ReadWriteTransaction transaction, final InstanceIdentifier<Node> nodePath) {
 194         Optional<Node> node = Optional.absent();
 195         try {
 196             node = transaction.read(
 197                     LogicalDatastoreType.OPERATIONAL, nodePath)
 198                     .checkedGet();
 199         } catch (final ReadFailedException e) {
 200             LOG.warn("Read Operational/DS for Node fail! {}",
 201                     nodePath, e);
 202         }
 203         return node;
 204     }
 205
 206     private Optional<InstanceIdentifier<Node>> getTerminationPointBridge( UUID portUUID) {
 207         for (UUID bridgeUUID : this.bridgeUpdatedRows.keySet()) {
 208             if (this.bridgeUpdatedRows.get(bridgeUUID).getPortsColumn().getData().contains(portUUID)) {
 209                 return Optional.of(SouthboundMapper.createInstanceIdentifier(getOvsdbConnectionInstance(),
 210                         this.bridgeUpdatedRows.get(bridgeUUID)));
 211             }
 212         }
 213         return Optional.absent();
 214     }
 215     private Optional<InstanceIdentifier<Node>> getTerminationPointBridge(
 216             final ReadWriteTransaction transaction, Node node, String tpName) {
 217         OvsdbNodeAugmentation ovsdbNode = node.getAugmentation(OvsdbNodeAugmentation.class);
 218         List<ManagedNodeEntry> managedNodes = ovsdbNode.getManagedNodeEntry();
 219         for ( ManagedNodeEntry managedNodeEntry : managedNodes ) {
 220             @SuppressWarnings("unchecked")
 221             Node managedNode = readNode(transaction
 222                     ,(InstanceIdentifier<Node>)managedNodeEntry.getBridgeRef().getValue()).get();
 223             for (TerminationPoint tpEntry : managedNode.getTerminationPoint()) {
 224                 if (tpEntry.getTpId().equals(new TpId(tpName))) {
 225                     return Optional.of((InstanceIdentifier<Node>)managedNodeEntry.getBridgeRef().getValue());
 226                 }
 227             }
 228         }
 229         return Optional.absent();
 230     }
 231
 232     private void updateInterfaces(Interface interfaceUpdate,
 233             final OvsdbTerminationPointAugmentationBuilder ovsdbTerminationPointBuilder) {
 234
 235         Column<GenericTableSchema, String> typeColumn = interfaceUpdate.getTypeColumn();
 236         String type = typeColumn.getData();
 237         updateInterface(interfaceUpdate, type,ovsdbTerminationPointBuilder);
 238     }
 239
 240     private void updatePort(final Port port,
 241             final OvsdbTerminationPointAugmentationBuilder ovsdbTerminationPointBuilder) {
 242
 243         updateVlan(port, ovsdbTerminationPointBuilder);
 244         updateVlanTrunks(port, ovsdbTerminationPointBuilder);
 245         updateVlanMode(port, ovsdbTerminationPointBuilder);
 246         updateQos(port, ovsdbTerminationPointBuilder);
 247         updatePortExternalIds(port, ovsdbTerminationPointBuilder);
 248         updatePortOtherConfig(port, ovsdbTerminationPointBuilder);
 249     }
 250
 251     private void updateInterface(final Interface interf,
 252             final String type,
 253             final OvsdbTerminationPointAugmentationBuilder ovsdbTerminationPointBuilder) {
 254
 255         ovsdbTerminationPointBuilder.setInterfaceUuid(
 256                 new Uuid(interf.getUuid().toString()));
 257         ovsdbTerminationPointBuilder.setInterfaceType(
 258                 SouthboundMapper.createInterfaceType(type));
 259         updateOfPort(interf, ovsdbTerminationPointBuilder);
 260         updateOfPortRequest(interf, ovsdbTerminationPointBuilder);
 261         updateInterfaceExternalIds(interf, ovsdbTerminationPointBuilder);
 262         updateOptions(interf, ovsdbTerminationPointBuilder);
 263         updateInterfaceOtherConfig(interf, ovsdbTerminationPointBuilder);
 264         updateInterfaceLldp(interf, ovsdbTerminationPointBuilder);
 265         updateInterfaceBfd(interf, ovsdbTerminationPointBuilder);
 266         updateInterfaceBfdStatus(interf, ovsdbTerminationPointBuilder);
 267     }
 268
 269     private void updateVlan(final Port port,
 270             final OvsdbTerminationPointAugmentationBuilder ovsdbTerminationPointBuilder) {
 271
 272         Collection<Long> vlanId = port.getTagColumn().getData();
 273         if (vlanId.size() > 0) {
 274             Iterator<Long> itr = vlanId.iterator();
 275             // There are no loops here, just get the first element.
 276             int id = itr.next().intValue();
 277             ovsdbTerminationPointBuilder.setVlanTag(new VlanId(id));
 278         }
 279     }
 280
 281     private void updateVlanTrunks(final Port port,
 282             final OvsdbTerminationPointAugmentationBuilder ovsdbTerminationPointBuilder) {
 283
 284         Set<Long> portTrunks = port.getTrunksColumn().getData();
 285         List<Trunks> modelTrunks = new ArrayList<>();
 286         if (!portTrunks.isEmpty()) {
 287             for (Long trunk: portTrunks) {
 288                 if (trunk != null) {
 289                     modelTrunks.add(new TrunksBuilder()
 290                         .setTrunk(new VlanId(trunk.intValue())).build());
 291                 }
 292             }
 293             ovsdbTerminationPointBuilder.setTrunks(modelTrunks);
 294         }
 295     }
 296
 297     private void updateVlanMode(final Port port,
 298             final OvsdbTerminationPointAugmentationBuilder ovsdbTerminationPointBuilder) {
 299
 300         Collection<String> vlanMode = port.getVlanModeColumn().getData();
 301         if (!vlanMode.isEmpty()) {
 302             Iterator<String> itr = vlanMode.iterator();
 303             String vlanType = itr.next();
 304             if (vlanType.equals(SouthboundConstants.VLANMODES.ACCESS.getMode())) {
 305                 ovsdbTerminationPointBuilder
 306                     .setVlanMode(OvsdbPortInterfaceAttributes.VlanMode.Access);
 307             } else if (vlanType.equals(SouthboundConstants.VLANMODES.NATIVE_TAGGED.getMode())) {
 308                 ovsdbTerminationPointBuilder
 309                     .setVlanMode(OvsdbPortInterfaceAttributes.VlanMode.NativeTagged);
 310             } else if (vlanType.equals(SouthboundConstants.VLANMODES.NATIVE_UNTAGGED.getMode())) {
 311                 ovsdbTerminationPointBuilder
 312                     .setVlanMode(OvsdbPortInterfaceAttributes.VlanMode.NativeUntagged);
 313             } else if (vlanType.equals(SouthboundConstants.VLANMODES.TRUNK.getMode())) {
 314                 ovsdbTerminationPointBuilder
 315                     .setVlanMode(OvsdbPortInterfaceAttributes.VlanMode.Trunk);
 316             } else {
 317                 LOG.debug("Invalid vlan mode {}.", vlanType);
 318             }
 319         }
 320     }
 321
 322     private void updateQos(final Port port,
 323             final OvsdbTerminationPointAugmentationBuilder ovsdbTerminationPointBuilder) {
 324         if (port.getQosColumn() == null) {
 325             return;
 326         }
 327         Collection<UUID> qosUuidCol = port.getQosColumn().getData();
 328         if (!qosUuidCol.isEmpty()) {
 329             Iterator<UUID> itr = qosUuidCol.iterator();
 330             UUID qosUuid = itr.next();
 331             ovsdbTerminationPointBuilder.setQos(new Uuid(qosUuid.toString()));
 332         }
 333     }
 334
 335     private void updateOfPort(final Interface interf,
 336             final OvsdbTerminationPointAugmentationBuilder ovsdbTerminationPointBuilder) {
 337
 338         Set<Long> ofPorts = interf.getOpenFlowPortColumn().getData();
 339         if (ofPorts != null && !ofPorts.isEmpty()) {
 340             Iterator<Long> ofPortsIter = ofPorts.iterator();
 341             long ofPort = ofPortsIter.next();
 342             if (ofPort >= 0) {
 343                 ovsdbTerminationPointBuilder
 344                     .setOfport(ofPort);
 345             } else {
 346                 LOG.debug("Received negative value for ofPort from ovsdb for {} {} {}",
 347                         interf.getName(),ofPort);
 348             }
 349         }
 350     }
 351
 352     private void updateOfPortRequest(final Interface interf,
 353             final OvsdbTerminationPointAugmentationBuilder ovsdbTerminationPointBuilder) {
 354
 355         Set<Long> ofPortRequests = null;
 356         try {
 357             ofPortRequests = interf.getOpenFlowPortRequestColumn().getData();
 358         } catch (ColumnSchemaNotFoundException e) {
 359             LOG.warn("Cannot find openflow column", e);
 360         }
 361         if (ofPortRequests != null && !ofPortRequests.isEmpty()) {
 362             Iterator<Long> ofPortRequestsIter = ofPortRequests.iterator();
 363             int ofPort = ofPortRequestsIter.next().intValue();
 364             if (ofPort >= 0) {
 365                 ovsdbTerminationPointBuilder
 366                     .setOfportRequest(ofPort);
 367             } else {
 368                 LOG.debug("Received negative value for ofPort from ovsdb for {} {} {}",
 369                         interf.getName(),ofPort);
 370             }
 371         }
 372     }
 373
 374     private void updateInterfaceExternalIds(final Interface interf,
 375             final OvsdbTerminationPointAugmentationBuilder ovsdbTerminationPointBuilder) {
 376
 377         Map<String, String> interfaceExternalIds =
 378                 interf.getExternalIdsColumn().getData();
 379         if (interfaceExternalIds != null && !interfaceExternalIds.isEmpty()) {
 380             Set<String> externalIdKeys = interfaceExternalIds.keySet();
 381             List<InterfaceExternalIds> externalIdsList =
 382                     new ArrayList<>();
 383             String externalIdValue;
 384             for (String externalIdKey : externalIdKeys) {
 385                 externalIdValue = interfaceExternalIds.get(externalIdKey);
 386                 if (externalIdKey != null && externalIdValue != null) {
 387                     externalIdsList.add(new InterfaceExternalIdsBuilder()
 388                             .setExternalIdKey(externalIdKey)
 389                             .setExternalIdValue(externalIdValue).build());
 390                 }
 391             }
 392             ovsdbTerminationPointBuilder.setInterfaceExternalIds(externalIdsList);
 393         }
 394     }
 395
 396     private void updatePortExternalIds(final Port port,
 397             final OvsdbTerminationPointAugmentationBuilder ovsdbTerminationPointBuilder) {
 398
 399         Map<String, String> portExternalIds = port.getExternalIdsColumn().getData();
 400         if (portExternalIds != null && !portExternalIds.isEmpty()) {
 401             Set<String> externalIdKeys = portExternalIds.keySet();
 402             List<PortExternalIds> externalIdsList = new ArrayList<>();
 403             String externalIdValue;
 404             for (String externalIdKey : externalIdKeys) {
 405                 externalIdValue = portExternalIds.get(externalIdKey);
 406                 if (externalIdKey != null && externalIdValue != null) {
 407                     externalIdsList.add(new PortExternalIdsBuilder()
 408                             .setExternalIdKey(externalIdKey)
 409                             .setExternalIdValue(externalIdValue).build());
 410                 }
 411             }
 412             ovsdbTerminationPointBuilder.setPortExternalIds(externalIdsList);
 413         }
 414     }
 415
 416     private void updateOptions(final Interface interf,
 417             final OvsdbTerminationPointAugmentationBuilder ovsdbTerminationPointBuilder) {
 418
 419         Map<String, String> optionsMap = interf.getOptionsColumn().getData();
 420         if (optionsMap != null && !optionsMap.isEmpty()) {
 421             List<Options> options = new ArrayList<>();
 422             String optionsValueString;
 423             OptionsKey optionsKey;
 424             for (String optionsKeyString : optionsMap.keySet()) {
 425                 optionsValueString = optionsMap.get(optionsKeyString);
 426                 if (optionsKeyString != null && optionsValueString != null) {
 427                     optionsKey = new OptionsKey(optionsKeyString);
 428                     options.add(new OptionsBuilder()
 429                         .setKey(optionsKey)
 430                         .setValue(optionsValueString).build());
 431                 }
 432             }
 433             ovsdbTerminationPointBuilder.setOptions(options);
 434         }
 435     }
 436
 437     private void updatePortOtherConfig(final Port port,
 438             final OvsdbTerminationPointAugmentationBuilder ovsdbTerminationPointBuilder) {
 439
 440         Map<String, String> portOtherConfigMap = port.getOtherConfigColumn().getData();
 441         if (portOtherConfigMap != null && !portOtherConfigMap.isEmpty()) {
 442             List<PortOtherConfigs> portOtherConfigs = new ArrayList<>();
 443             String portOtherConfigValueString;
 444             for (String portOtherConfigKeyString : portOtherConfigMap.keySet()) {
 445                 portOtherConfigValueString = portOtherConfigMap.get(portOtherConfigKeyString);
 446                 if (portOtherConfigKeyString != null && portOtherConfigValueString != null) {
 447                     portOtherConfigs.add(new PortOtherConfigsBuilder()
 448                         .setOtherConfigKey(portOtherConfigKeyString)
 449                         .setOtherConfigValue(portOtherConfigValueString).build());
 450                 }
 451             }
 452             ovsdbTerminationPointBuilder.setPortOtherConfigs(portOtherConfigs);
 453         }
 454     }
 455
 456     private void updateInterfaceLldp(final Interface interf,
 457             final OvsdbTerminationPointAugmentationBuilder ovsdbTerminationPointBuilder) {
 458
 459         try {
 460             Map<String, String> interfaceLldpMap = interf.getLldpColumn().getData();
 461             if (interfaceLldpMap != null && !interfaceLldpMap.isEmpty()) {
 462                 List<InterfaceLldp> interfaceLldpList = new ArrayList<>();
 463                 for (String interfaceLldpKeyString : interfaceLldpMap.keySet()) {
 464                     String interfaceLldpValueString = interfaceLldpMap.get(interfaceLldpKeyString);
 465                     if (interfaceLldpKeyString != null && interfaceLldpValueString!=null) {
 466                         interfaceLldpList.add(new InterfaceLldpBuilder()
 467                                 .setKey(new InterfaceLldpKey(interfaceLldpKeyString))
 468                                 .setLldpKey(interfaceLldpKeyString)
 469                                 .setLldpValue(interfaceLldpValueString)
 470                                 .build());
 471                     }
 472                 }
 473                 ovsdbTerminationPointBuilder.setInterfaceLldp(interfaceLldpList);
 474             }
 475         } catch (SchemaVersionMismatchException e) {
 476             // We don't care about the exception stack trace here
 477             LOG.debug("lldp column for Interface Table unsupported for this version of ovsdb schema. {}", e.getMessage());
 478         }
 479     }
 480
 481     private void updateInterfaceOtherConfig(final Interface interf,
 482             final OvsdbTerminationPointAugmentationBuilder ovsdbTerminationPointBuilder) {
 483
 484         Map<String, String> interfaceOtherConfigMap = interf.getOtherConfigColumn().getData();
 485         if (interfaceOtherConfigMap != null && !interfaceOtherConfigMap.isEmpty()) {
 486             List<InterfaceOtherConfigs> interfaceOtherConfigs = new ArrayList<>();
 487             String interfaceOtherConfigValueString;
 488             for (String interfaceOtherConfigKeyString : interfaceOtherConfigMap.keySet()) {
 489                 interfaceOtherConfigValueString = interfaceOtherConfigMap.get(interfaceOtherConfigKeyString);
 490                 if (interfaceOtherConfigKeyString != null && interfaceOtherConfigValueString != null) {
 491                     interfaceOtherConfigs.add(new InterfaceOtherConfigsBuilder()
 492                         .setOtherConfigKey(interfaceOtherConfigKeyString)
 493                         .setOtherConfigValue(interfaceOtherConfigValueString).build());
 494                 }
 495             }
 496             ovsdbTerminationPointBuilder.setInterfaceOtherConfigs(interfaceOtherConfigs);
 497         }
 498     }
 499
 500     private void updateInterfaceBfdStatus(final Interface interf,
 501             final OvsdbTerminationPointAugmentationBuilder ovsdbTerminationPointBuilder) {
 502
 503         try {
 504             Map<String, String> interfaceBfdStatusMap = interf.getBfdStatusColumn().getData();
 505             if (interfaceBfdStatusMap != null && !interfaceBfdStatusMap.isEmpty()) {
 506                 List<InterfaceBfdStatus> interfaceBfdStatusList = new ArrayList<>();
 507                 for (String interfaceBfdStatusKeyString : interfaceBfdStatusMap.keySet()) {
 508                     String interfaceBfdStatusValueString = interfaceBfdStatusMap.get(interfaceBfdStatusKeyString);
 509                     if (interfaceBfdStatusKeyString != null && interfaceBfdStatusValueString!=null) {
 510                         interfaceBfdStatusList.add(new InterfaceBfdStatusBuilder()
 511                                 .setKey(new InterfaceBfdStatusKey(interfaceBfdStatusKeyString))
 512                                 .setBfdStatusKey(interfaceBfdStatusKeyString)
 513                                 .setBfdStatusValue(interfaceBfdStatusValueString)
 514                                 .build());
 515                     }
 516                 }
 517                 ovsdbTerminationPointBuilder.setInterfaceBfdStatus(interfaceBfdStatusList);
 518             }
 519         } catch (SchemaVersionMismatchException e) {
 520             // We don't care about the exception stack trace here
 521             LOG.debug("bfd-status column for Interface Table unsupported for this version of ovsdb schema. {}", e.getMessage());
 522         }
 523     }
 524
 525     private void updateInterfaceBfd(final Interface interf,
 526             final OvsdbTerminationPointAugmentationBuilder ovsdbTerminationPointBuilder) {
 527
 528         try {
 529             Map<String, String> interfaceBfdMap = interf.getBfdColumn().getData();
 530             if (interfaceBfdMap != null && !interfaceBfdMap.isEmpty()) {
 531                 List<InterfaceBfd> interfaceBfdList = new ArrayList<>();
 532                 for (String interfaceBfdKeyString : interfaceBfdMap.keySet()) {
 533                     String interfaceBfdValueString = interfaceBfdMap.get(interfaceBfdKeyString);
 534                     if (interfaceBfdKeyString != null && interfaceBfdValueString!=null) {
 535                         interfaceBfdList.add(new InterfaceBfdBuilder()
 536                                 .setKey(new InterfaceBfdKey(interfaceBfdKeyString))
 537                                 .setBfdKey(interfaceBfdKeyString)
 538                                 .setBfdValue(interfaceBfdValueString)
 539                                 .build());
 540                     }
 541                 }
 542                 ovsdbTerminationPointBuilder.setInterfaceBfd(interfaceBfdList);
 543             }
 544         } catch (SchemaVersionMismatchException e) {
 545             // We don't care about the exception stack trace here
 546             LOG.debug("bfd column for Interface Table unsupported for this version of ovsdb schema. {}", e.getMessage());
 547         }
 548     }
 549
 550     private boolean portQosCleared(Entry<UUID, Port> portUpdate) {
 551         if (portUpdate.getValue().getQosColumn() == null) {
 552             return false;
 553         }
 554         Collection<UUID> newQos = portUpdate.getValue().getQosColumn().getData();
 555         if (portOldRows.get(portUpdate.getKey()).getQosColumn() == null) {
 556             return false;
 557         }
 558         Collection<UUID> oldQos = portOldRows.get(portUpdate.getKey()).getQosColumn().getData();
 559
 560         if (newQos.isEmpty() && !oldQos.isEmpty()) {
 561             return true;
 562         } else {
 563             return false;
 564         }
 565     }
 566
 567     private InstanceIdentifier<TerminationPoint> getInstanceIdentifier(InstanceIdentifier<Node> bridgeIid,Port port) {
 568         if (port.getExternalIdsColumn() != null
 569                 && port.getExternalIdsColumn().getData() != null
 570                 && port.getExternalIdsColumn().getData().containsKey(SouthboundConstants.IID_EXTERNAL_ID_KEY)) {
 571             String iidString = port.getExternalIdsColumn().getData().get(SouthboundConstants.IID_EXTERNAL_ID_KEY);
 572             return (InstanceIdentifier<TerminationPoint>) SouthboundUtil.deserializeInstanceIdentifier(iidString);
 573         } else {
 574             return bridgeIid.child(TerminationPoint.class, new TerminationPointKey(new TpId(port.getName())));
 575         }
 576     }
 577 }