southbound/southbound-impl/src/main/java/org/opendaylight/ovsdb/southbound/SouthboundMapper.java

   1 /*
   2  * Copyright (c) 2015 Cisco Systems, Inc. and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8 package org.opendaylight.ovsdb.southbound;
   9
  10 import static org.opendaylight.ovsdb.southbound.SouthboundUtil.schemaMismatchLog;
  11
  12 import com.google.common.base.Joiner;
  13 import com.google.common.base.Preconditions;
  14 import com.google.common.base.Splitter;
  15 import com.google.common.collect.ImmutableBiMap;
  16 import com.google.common.net.InetAddresses;
  17 import java.net.Inet4Address;
  18 import java.net.Inet6Address;
  19 import java.net.InetAddress;
  20 import java.net.UnknownHostException;
  21 import java.util.ArrayList;
  22 import java.util.HashMap;
  23 import java.util.HashSet;
  24 import java.util.List;
  25 import java.util.Map;
  26 import java.util.Set;
  27 import org.opendaylight.ovsdb.lib.OvsdbClient;
  28 import org.opendaylight.ovsdb.lib.error.SchemaVersionMismatchException;
  29 import org.opendaylight.ovsdb.lib.notation.UUID;
  30 import org.opendaylight.ovsdb.lib.schema.DatabaseSchema;
  31 import org.opendaylight.ovsdb.lib.schema.typed.TyperUtils;
  32 import org.opendaylight.ovsdb.schema.openvswitch.Bridge;
  33 import org.opendaylight.ovsdb.schema.openvswitch.Controller;
  34 import org.opendaylight.ovsdb.schema.openvswitch.Manager;
  35 import org.opendaylight.ovsdb.schema.openvswitch.OpenVSwitch;
  36 import org.opendaylight.ovsdb.schema.openvswitch.Qos;
  37 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.IetfInetUtil;
  38 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.IpAddress;
  39 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv6Address;
  40 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.PortNumber;
  41 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Uri;
  42 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.DatapathId;
  43 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.DatapathTypeBase;
  44 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.DatapathTypeSystem;
  45 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.InterfaceTypeBase;
  46 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbBridgeAugmentation;
  47 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbBridgeProtocolBase;
  48 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbNodeAugmentation;
  49 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbTerminationPointAugmentation;
  50 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.QosTypeBase;
  51 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.bridge.attributes.ControllerEntry;
  52 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.bridge.attributes.ControllerEntryBuilder;
  53 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.bridge.attributes.ProtocolEntry;
  54 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.bridge.attributes.ProtocolEntryBuilder;
  55 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.node.attributes.ConnectionInfo;
  56 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.node.attributes.ConnectionInfoBuilder;
  57 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.node.attributes.ManagerEntry;
  58 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.node.attributes.ManagerEntryBuilder;
  59 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NetworkTopology;
  60 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NodeId;
  61 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.Topology;
  62 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.TopologyKey;
  63 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
  64 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.NodeKey;
  65 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.node.TerminationPoint;
  66 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.node.TerminationPointKey;
  67 import org.opendaylight.yangtools.yang.binding.DataObject;
  68 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  69 import org.slf4j.Logger;
  70 import org.slf4j.LoggerFactory;
  71
  72 public class SouthboundMapper {
  73
  74     private SouthboundMapper() { }
  75
  76     private static final Logger LOG = LoggerFactory.getLogger(SouthboundMapper.class);
  77     private static final String N_CONNECTIONS_STR = "n_connections";
  78
  79     public static IpAddress createIpAddress(InetAddress address) {
  80         IpAddress ip = null;
  81         if (address instanceof Inet4Address) {
  82             ip = createIpAddress((Inet4Address)address);
  83         } else if (address instanceof Inet6Address) {
  84             ip = createIpAddress((Inet6Address)address);
  85         }
  86         return ip;
  87     }
  88
  89     public static IpAddress createIpAddress(Inet4Address address) {
  90         return IetfInetUtil.INSTANCE.ipAddressFor(address);
  91     }
  92
  93     public static IpAddress createIpAddress(Inet6Address address) {
  94         Ipv6Address ipv6 = new Ipv6Address(address.getHostAddress());
  95         return new IpAddress(ipv6);
  96     }
  97
  98     public static InstanceIdentifier<Topology> createTopologyInstanceIdentifier() {
  99         return InstanceIdentifier
 100                 .create(NetworkTopology.class)
 101                 .child(Topology.class, new TopologyKey(SouthboundConstants.OVSDB_TOPOLOGY_ID));
 102     }
 103
 104     public static InstanceIdentifier<Node> createInstanceIdentifier(NodeId nodeId) {
 105         return createTopologyInstanceIdentifier()
 106                 .child(Node.class,new NodeKey(nodeId));
 107     }
 108
 109     @SuppressWarnings("unchecked")
 110     public static InstanceIdentifier<Node> createInstanceIdentifier(InstanceIdentifierCodec instanceIdentifierCodec,
 111             OvsdbConnectionInstance client, Bridge bridge) {
 112         InstanceIdentifier<Node> iid;
 113         if (bridge.getExternalIdsColumn() != null
 114                 && bridge.getExternalIdsColumn().getData() != null
 115                 && bridge.getExternalIdsColumn().getData().containsKey(SouthboundConstants.IID_EXTERNAL_ID_KEY)) {
 116             String iidString = bridge.getExternalIdsColumn().getData().get(SouthboundConstants.IID_EXTERNAL_ID_KEY);
 117             iid = (InstanceIdentifier<Node>) instanceIdentifierCodec.bindingDeserializerOrNull(iidString);
 118         } else {
 119             iid = createInstanceIdentifier(client, bridge.getName());
 120         }
 121         return iid;
 122     }
 123
 124     @SuppressWarnings("unchecked")
 125     public static InstanceIdentifier<Node> createInstanceIdentifier(InstanceIdentifierCodec instanceIdentifierCodec,
 126             OvsdbConnectionInstance client, Controller controller, String bridgeName) {
 127         InstanceIdentifier<Node> iid;
 128         if (controller.getExternalIdsColumn() != null
 129                 && controller.getExternalIdsColumn().getData() != null
 130                 && controller.getExternalIdsColumn().getData().containsKey(SouthboundConstants.IID_EXTERNAL_ID_KEY)) {
 131             String iidString = controller.getExternalIdsColumn().getData().get(SouthboundConstants.IID_EXTERNAL_ID_KEY);
 132             iid = (InstanceIdentifier<Node>) instanceIdentifierCodec.bindingDeserializerOrNull(iidString);
 133         } else {
 134             iid = createInstanceIdentifier(client, bridgeName);
 135         }
 136         return iid;
 137     }
 138
 139     public static InstanceIdentifier<Node> createInstanceIdentifier(
 140             OvsdbConnectionInstance client, String bridgeName) {
 141         String nodeString = client.getNodeKey().getNodeId().getValue()
 142                 + "/bridge/" + bridgeName;
 143         NodeId nodeId = new NodeId(new Uri(nodeString));
 144         return createInstanceIdentifier(nodeId);
 145
 146     }
 147
 148     public static NodeId createManagedNodeId(InstanceIdentifier<Node> iid) {
 149         NodeKey nodeKey = iid.firstKeyOf(Node.class);
 150         return nodeKey.getNodeId();
 151     }
 152
 153     public static InetAddress createInetAddress(IpAddress ip) throws UnknownHostException {
 154         if (ip.getIpv4Address() != null) {
 155             return InetAddresses.forString(ip.getIpv4Address().getValue());
 156         } else if (ip.getIpv6Address() != null) {
 157             return InetAddress.getByName(ip.getIpv6Address().getValue());
 158         } else {
 159             throw new UnknownHostException("IP Address has no value");
 160         }
 161     }
 162
 163     public static DatapathId createDatapathId(Bridge bridge) {
 164         Preconditions.checkNotNull(bridge);
 165         if (bridge.getDatapathIdColumn() == null) {
 166             return null;
 167         } else {
 168             return createDatapathId(bridge.getDatapathIdColumn().getData());
 169         }
 170     }
 171
 172     public static DatapathId createDatapathId(Set<String> dpids) {
 173         Preconditions.checkNotNull(dpids);
 174         if (dpids.isEmpty()) {
 175             return null;
 176         } else {
 177             String[] dpidArray = new String[dpids.size()];
 178             dpids.toArray(dpidArray);
 179             return createDatapathId(dpidArray[0]);
 180         }
 181     }
 182
 183     public static DatapathId createDatapathId(String dpid) {
 184         Preconditions.checkNotNull(dpid);
 185         DatapathId datapath;
 186         if (dpid.matches("^[0-9a-fA-F]{16}")) {
 187             Splitter splitter = Splitter.fixedLength(2);
 188             Joiner joiner = Joiner.on(":");
 189             datapath = new DatapathId(joiner.join(splitter.split(dpid)));
 190         } else {
 191             datapath = new DatapathId(dpid);
 192         }
 193         return datapath;
 194     }
 195
 196     public static String createDatapathType(OvsdbBridgeAugmentation mdsalbridge) {
 197         String datapathtype = SouthboundConstants.DATAPATH_TYPE_MAP.get(DatapathTypeSystem.class);
 198
 199         if (mdsalbridge.getDatapathType() != null && !mdsalbridge.getDatapathType().equals(DatapathTypeBase.class)) {
 200             datapathtype = SouthboundConstants.DATAPATH_TYPE_MAP.get(mdsalbridge.getDatapathType());
 201             if (datapathtype == null) {
 202                 throw new IllegalArgumentException("Unknown datapath type " + mdsalbridge.getDatapathType().getName());
 203             }
 204         }
 205         return datapathtype;
 206     }
 207
 208     public static  Class<? extends DatapathTypeBase> createDatapathType(String type) {
 209         Preconditions.checkNotNull(type);
 210         if (type.isEmpty()) {
 211             return DatapathTypeSystem.class;
 212         } else {
 213             ImmutableBiMap<String, Class<? extends DatapathTypeBase>> mapper =
 214                     SouthboundConstants.DATAPATH_TYPE_MAP.inverse();
 215             return mapper.get(type);
 216         }
 217     }
 218
 219     public static Set<String> createOvsdbBridgeProtocols(OvsdbBridgeAugmentation ovsdbBridgeNode) {
 220         Set<String> protocols = new HashSet<>();
 221         if (ovsdbBridgeNode.getProtocolEntry() != null && ovsdbBridgeNode.getProtocolEntry().size() > 0) {
 222             for (ProtocolEntry protocol : ovsdbBridgeNode.getProtocolEntry()) {
 223                 if (SouthboundConstants.OVSDB_PROTOCOL_MAP.get(protocol.getProtocol()) != null) {
 224                     protocols.add(SouthboundConstants.OVSDB_PROTOCOL_MAP.get(protocol.getProtocol()));
 225                 } else {
 226                     throw new IllegalArgumentException("Unknown protocol " + protocol.getProtocol());
 227                 }
 228             }
 229         }
 230         return protocols;
 231     }
 232
 233     public static  Class<? extends InterfaceTypeBase> createInterfaceType(String type) {
 234         Preconditions.checkNotNull(type);
 235         return SouthboundConstants.OVSDB_INTERFACE_TYPE_MAP.get(type);
 236     }
 237
 238     public static String createOvsdbInterfaceType(Class<? extends InterfaceTypeBase> mdsaltype) {
 239         Preconditions.checkNotNull(mdsaltype);
 240         ImmutableBiMap<Class<? extends InterfaceTypeBase>, String> mapper =
 241                 SouthboundConstants.OVSDB_INTERFACE_TYPE_MAP.inverse();
 242         return mapper.get(mdsaltype);
 243     }
 244
 245     public static List<ProtocolEntry> createMdsalProtocols(Bridge bridge) {
 246         Set<String> protocols = null;
 247         try {
 248             protocols = bridge.getProtocolsColumn().getData();
 249         } catch (SchemaVersionMismatchException e) {
 250             schemaMismatchLog("protocols", "Bridge", e);
 251         }
 252         List<ProtocolEntry> protocolList = new ArrayList<>();
 253         if (protocols != null && protocols.size() > 0) {
 254             ImmutableBiMap<String, Class<? extends OvsdbBridgeProtocolBase>> mapper =
 255                     SouthboundConstants.OVSDB_PROTOCOL_MAP.inverse();
 256             for (String protocol : protocols) {
 257                 if (protocol != null && mapper.get(protocol) != null) {
 258                     protocolList.add(new ProtocolEntryBuilder().setProtocol(mapper.get(protocol)).build());
 259                 }
 260             }
 261         }
 262         return protocolList;
 263     }
 264
 265     /**
 266      * Create the {@link ControllerEntry} list given an OVSDB {@link Bridge}
 267      * and {@link Controller} rows.
 268      *
 269      * @param bridge the {@link Bridge} to update
 270      * @param updatedControllerRows the list of {@link Controller} controllers with updates
 271      * @return list of {@link ControllerEntry} entries
 272      */
 273     public static List<ControllerEntry> createControllerEntries(Bridge bridge,
 274                                                                 Map<UUID, Controller> updatedControllerRows) {
 275
 276         LOG.debug("createControllerEntries Bridge: {}\n, updatedControllerRows: {}",
 277                 bridge, updatedControllerRows);
 278         final Set<UUID> controllerUuids = bridge.getControllerColumn().getData();
 279         final List<ControllerEntry> controllerEntries = new ArrayList<>();
 280         for (UUID controllerUuid : controllerUuids ) {
 281             final Controller controller = updatedControllerRows.get(controllerUuid);
 282             addControllerEntries(controllerEntries, controller);
 283         }
 284         LOG.debug("controllerEntries: {}", controllerEntries);
 285         return controllerEntries;
 286     }
 287
 288     /**
 289      * Create the {@link ControllerEntry} list given an MDSAL {@link Node} bridge
 290      * and {@link Controller} rows.
 291      *
 292      * @param bridgeNode the {@link Node} to update
 293      * @param updatedControllerRows the list of {@link Controller} controllers with updates
 294      * @return list of {@link ControllerEntry} entries
 295      */
 296     public static List<ControllerEntry> createControllerEntries(Node bridgeNode,
 297                                                                 Map<UUID, Controller> updatedControllerRows) {
 298
 299         LOG.debug("createControllerEntries Bridge 2: {}\n, updatedControllerRows: {}",
 300                 bridgeNode, updatedControllerRows);
 301         final List<ControllerEntry> controllerEntriesCreated = new ArrayList<>();
 302         final OvsdbBridgeAugmentation ovsdbBridgeAugmentation =
 303                 bridgeNode.getAugmentation(OvsdbBridgeAugmentation.class);
 304         if (ovsdbBridgeAugmentation == null) {
 305             return controllerEntriesCreated;
 306         }
 307
 308         final List<ControllerEntry> controllerEntries = ovsdbBridgeAugmentation.getControllerEntry();
 309         if (controllerEntries != null) {
 310             for (ControllerEntry controllerEntry : controllerEntries) {
 311                 final Controller controller = updatedControllerRows.get(
 312                         new UUID(controllerEntry.getControllerUuid().getValue()));
 313                 addControllerEntries(controllerEntriesCreated, controller);
 314             }
 315         }
 316         LOG.debug("controllerEntries: {}", controllerEntriesCreated);
 317         return controllerEntriesCreated;
 318     }
 319
 320     /**
 321      * Add the OVSDB {@link Controller} updates to the MDSAL {@link ControllerEntry} list.
 322      *
 323      * @param controllerEntries the list of {@link ControllerEntry} to update
 324      * @param controller the updated OVSDB {@link Controller}
 325      */
 326     public static void addControllerEntries(List<ControllerEntry> controllerEntries,
 327                                             final Controller controller) {
 328
 329         if (controller != null && controller.getTargetColumn() != null) {
 330             final String targetString = controller.getTargetColumn().getData();
 331             final org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.Uuid uuid =
 332                     new org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang
 333                             .ietf.yang.types.rev130715.Uuid(controller.getUuid().toString());
 334             ControllerEntryBuilder builder = new ControllerEntryBuilder();
 335
 336             if (controller.getMaxBackoffColumn() != null && controller.getMaxBackoffColumn().getData() != null
 337                     && !controller.getMaxBackoffColumn().getData().isEmpty()) {
 338                 builder.setMaxBackoff(controller.getMaxBackoffColumn().getData().iterator().next());
 339             }
 340             if (controller.getInactivityProbeColumn() != null && controller.getInactivityProbeColumn().getData() != null
 341                     && !controller.getInactivityProbeColumn().getData().isEmpty()) {
 342                 builder.setInactivityProbe(controller.getInactivityProbeColumn().getData().iterator().next());
 343             }
 344             controllerEntries.add(builder
 345                     .setTarget(new Uri(targetString))
 346                     .setIsConnected(controller.getIsConnectedColumn().getData())
 347                     .setControllerUuid(uuid).build());
 348         }
 349     }
 350
 351     // This is not called from anywhere but test. Do we need this?
 352     public static Map<UUID, Controller> createOvsdbController(OvsdbBridgeAugmentation omn,DatabaseSchema dbSchema) {
 353         List<ControllerEntry> controllerEntries = omn.getControllerEntry();
 354         Map<UUID,Controller> controllerMap = new HashMap<>();
 355         if (controllerEntries != null && !controllerEntries.isEmpty()) {
 356             for (ControllerEntry controllerEntry : controllerEntries) {
 357                 String controllerNamedUuid = "Controller_" + getRandomUuid();
 358                 Controller controller = TyperUtils.getTypedRowWrapper(dbSchema, Controller.class);
 359                 controller.setTarget(controllerEntry.getTarget().getValue());
 360                 controllerMap.put(new UUID(controllerNamedUuid), controller);
 361             }
 362         }
 363         return controllerMap;
 364     }
 365
 366     public static String getRandomUuid() {
 367         return "Random_" + java.util.UUID.randomUUID().toString().replace("-", "");
 368     }
 369
 370     public static ConnectionInfo createConnectionInfo(OvsdbClient client) {
 371         ConnectionInfoBuilder connectionInfoBuilder = new ConnectionInfoBuilder();
 372         connectionInfoBuilder.setRemoteIp(createIpAddress(client.getConnectionInfo().getRemoteAddress()));
 373         connectionInfoBuilder.setRemotePort(new PortNumber(client.getConnectionInfo().getRemotePort()));
 374         connectionInfoBuilder.setLocalIp(createIpAddress(client.getConnectionInfo().getLocalAddress()));
 375         connectionInfoBuilder.setLocalPort(new PortNumber(client.getConnectionInfo().getLocalPort()));
 376         return connectionInfoBuilder.build();
 377     }
 378
 379     public static ConnectionInfo suppressLocalIpPort(ConnectionInfo connectionInfo) {
 380         ConnectionInfoBuilder connectionInfoBuilder = new ConnectionInfoBuilder();
 381         connectionInfoBuilder.setRemoteIp(connectionInfo.getRemoteIp());
 382         connectionInfoBuilder.setRemotePort(connectionInfo.getRemotePort());
 383         return connectionInfoBuilder.build();
 384     }
 385
 386     /**
 387      * Create the {@link ManagerEntry} list given an OVSDB {@link OpenVSwitch}
 388      * and {@link Manager} rows.
 389      *
 390      * @param ovsdbNode the {@link OpenVSwitch} to update
 391      * @param updatedManagerRows the list of {@link Manager} managers with updates
 392      * @return list of {@link ManagerEntry} entries
 393      */
 394     public static List<ManagerEntry> createManagerEntries(OpenVSwitch ovsdbNode,
 395                                                                 Map<UUID, Manager> updatedManagerRows) {
 396
 397         LOG.debug("createManagerEntries OpenVSwitch: {}\n, updatedManagerRows: {}",
 398                 ovsdbNode, updatedManagerRows);
 399         final Set<UUID> managerUuids = ovsdbNode.getManagerOptionsColumn().getData();
 400         final List<ManagerEntry> managerEntries = new ArrayList<>();
 401         for (UUID managerUuid : managerUuids) {
 402             final Manager manager = updatedManagerRows.get(managerUuid);
 403             addManagerEntries(managerEntries, manager);
 404         }
 405         LOG.debug("managerEntries: {}", managerEntries);
 406         return managerEntries;
 407     }
 408
 409     /**
 410      * Create the {@link ManagerEntry} list given an MDSAL {@link Node} ovsdbNode
 411      * and {@link Manager} rows.
 412      *
 413      * @param ovsdbNode the {@link Node} to update
 414      * @param updatedManagerRows the list of {@link Manager} managers with updates
 415      * @return list of {@link ManagerEntry} entries
 416      */
 417     public static List<ManagerEntry> createManagerEntries(Node ovsdbNode,
 418                                                                 Map<Uri, Manager> updatedManagerRows) {
 419
 420         LOG.debug("createManagerEntries based on OVSDB Node: {}\n, updatedManagerRows: {}",
 421                 ovsdbNode, updatedManagerRows);
 422         final List<ManagerEntry> managerEntriesCreated = new ArrayList<>();
 423         final OvsdbNodeAugmentation ovsdbNodeAugmentation =
 424                 ovsdbNode.getAugmentation(OvsdbNodeAugmentation.class);
 425         if (ovsdbNodeAugmentation == null) {
 426             return managerEntriesCreated;
 427         }
 428
 429         final List<ManagerEntry> managerEntries = ovsdbNodeAugmentation.getManagerEntry();
 430         if (managerEntries != null) {
 431             for (ManagerEntry managerEntry : managerEntries) {
 432                 final Manager manager = updatedManagerRows.get(managerEntry.getTarget());
 433                 addManagerEntries(managerEntriesCreated, manager);
 434             }
 435         }
 436         LOG.debug("managerEntries: {}", managerEntriesCreated);
 437         return managerEntriesCreated;
 438     }
 439
 440     /**
 441      * Add the OVSDB {@link Manager} updates to the MDSAL {@link ManagerEntry} list.
 442      *
 443      * @param managerEntries the list of {@link ManagerEntry} to update
 444      * @param manager the updated OVSDB {@link Manager}
 445      */
 446     public static void addManagerEntries(List<ManagerEntry> managerEntries,
 447                                             final Manager manager) {
 448
 449         if (manager != null && manager.getTargetColumn() != null) {
 450             long numberOfConnections = 0;
 451             final String targetString = manager.getTargetColumn().getData();
 452
 453             final Map<String, String> statusAttributeMap =
 454                             manager.getStatusColumn() == null ? null : manager.getStatusColumn().getData();
 455             if (statusAttributeMap != null && statusAttributeMap.containsKey(N_CONNECTIONS_STR)) {
 456                 String numberOfConnectionValueStr = statusAttributeMap.get(N_CONNECTIONS_STR);
 457                 numberOfConnections = Integer.parseInt(numberOfConnectionValueStr);
 458             } else {
 459                 final boolean isConnected = manager.getIsConnectedColumn().getData();
 460                 if (isConnected) {
 461                     numberOfConnections = 1;
 462                 }
 463             }
 464             managerEntries.add(new ManagerEntryBuilder()
 465                     .setTarget(new Uri(targetString))
 466                     .setNumberOfConnections(numberOfConnections)
 467                     .setConnected(manager.getIsConnectedColumn().getData()).build());
 468         }
 469     }
 470
 471     /**
 472      * Return the MD-SAL QoS type class corresponding to the QoS type {@link Qos}.
 473      *
 474      * @param type the QoS type to match {@link String}
 475      * @return class matching the input QoS type {@link QosTypeBase}
 476      */
 477     public static  Class<? extends QosTypeBase> createQosType(String type) {
 478         Preconditions.checkNotNull(type);
 479         if (type.isEmpty()) {
 480             LOG.info("QoS type not supplied");
 481             return QosTypeBase.class;
 482         } else {
 483             ImmutableBiMap<String, Class<? extends QosTypeBase>> mapper =
 484                     SouthboundConstants.QOS_TYPE_MAP.inverse();
 485             if (mapper.get(type) == null) {
 486                 LOG.info("QoS type not found in model: {}", type);
 487                 return QosTypeBase.class;
 488             } else {
 489                 return mapper.get(type);
 490             }
 491         }
 492     }
 493
 494     public static String createQosType(Class<? extends QosTypeBase> qosTypeClass) {
 495         String qosType = SouthboundConstants.QOS_TYPE_MAP.get(QosTypeBase.class);
 496
 497         if (qosTypeClass != null && !qosTypeClass.equals(QosTypeBase.class)) {
 498             qosType = SouthboundConstants.QOS_TYPE_MAP.get(qosTypeClass);
 499             if (qosType == null) {
 500                 throw new IllegalArgumentException("Unknown QoS type" + qosTypeClass.getName());
 501             }
 502         }
 503         return qosType;
 504     }
 505
 506
 507     public static InstanceIdentifier<Node> getInstanceIdentifier(InstanceIdentifierCodec instanceIdentifierCodec,
 508             OpenVSwitch ovs) {
 509         if (ovs.getExternalIdsColumn() != null
 510                 && ovs.getExternalIdsColumn().getData() != null
 511                 && ovs.getExternalIdsColumn().getData().containsKey(SouthboundConstants.IID_EXTERNAL_ID_KEY)) {
 512             String iidString = ovs.getExternalIdsColumn().getData().get(SouthboundConstants.IID_EXTERNAL_ID_KEY);
 513             return (InstanceIdentifier<Node>) instanceIdentifierCodec.bindingDeserializerOrNull(iidString);
 514         } else {
 515             String nodeString = SouthboundConstants.OVSDB_URI_PREFIX + "://" + SouthboundConstants.UUID + "/"
 516                     + ovs.getUuid().toString();
 517             NodeId nodeId = new NodeId(new Uri(nodeString));
 518             NodeKey nodeKey = new NodeKey(nodeId);
 519             return InstanceIdentifier.builder(NetworkTopology.class)
 520                     .child(Topology.class,new TopologyKey(SouthboundConstants.OVSDB_TOPOLOGY_ID))
 521                     .child(Node.class,nodeKey)
 522                     .build();
 523         }
 524     }
 525
 526     public static Map<InstanceIdentifier<?>, DataObject> extractTerminationPointConfigurationChanges(
 527             final Node bridgeNode) {
 528         Map<InstanceIdentifier<?>, DataObject> changes = new HashMap<>();
 529         final InstanceIdentifier<Node> bridgeNodeIid =
 530                 SouthboundMapper.createInstanceIdentifier(bridgeNode.getNodeId());
 531         changes.put(bridgeNodeIid, bridgeNode);
 532
 533         List<TerminationPoint> terminationPoints = bridgeNode.getTerminationPoint();
 534         if (terminationPoints != null && !terminationPoints.isEmpty()) {
 535             for (TerminationPoint tp : terminationPoints) {
 536                 OvsdbTerminationPointAugmentation ovsdbTerminationPointAugmentation =
 537                         tp.getAugmentation(OvsdbTerminationPointAugmentation.class);
 538                 if (ovsdbTerminationPointAugmentation != null) {
 539                     final InstanceIdentifier<OvsdbTerminationPointAugmentation> tpIid =
 540                             bridgeNodeIid
 541                                     .child(TerminationPoint.class, new TerminationPointKey(tp.getTpId()))
 542                                     .builder()
 543                                     .augmentation(OvsdbTerminationPointAugmentation.class)
 544                                     .build();
 545                     changes.put(tpIid, ovsdbTerminationPointAugmentation);
 546                 }
 547             }
 548         }
 549         return changes;
 550     }
 551 }