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 final class SouthboundMapper {
  73     private static final Logger LOG = LoggerFactory.getLogger(SouthboundMapper.class);
  74     private static final String N_CONNECTIONS_STR = "n_connections";
  75
  76     private SouthboundMapper() {
  77
  78     }
  79
  80     public static IpAddress createIpAddress(InetAddress address) {
  81         IpAddress ip = null;
  82         if (address instanceof Inet4Address) {
  83             ip = createIpAddress((Inet4Address)address);
  84         } else if (address instanceof Inet6Address) {
  85             ip = createIpAddress((Inet6Address)address);
  86         }
  87         return ip;
  88     }
  89
  90     public static IpAddress createIpAddress(Inet4Address address) {
  91         return IetfInetUtil.INSTANCE.ipAddressFor(address);
  92     }
  93
  94     public static IpAddress createIpAddress(Inet6Address address) {
  95         Ipv6Address ipv6 = new Ipv6Address(address.getHostAddress());
  96         return new IpAddress(ipv6);
  97     }
  98
  99     public static InstanceIdentifier<Topology> createTopologyInstanceIdentifier() {
 100         return InstanceIdentifier
 101                 .create(NetworkTopology.class)
 102                 .child(Topology.class, new TopologyKey(SouthboundConstants.OVSDB_TOPOLOGY_ID));
 103     }
 104
 105     public static InstanceIdentifier<Node> createInstanceIdentifier(NodeId nodeId) {
 106         return createTopologyInstanceIdentifier()
 107                 .child(Node.class,new NodeKey(nodeId));
 108     }
 109
 110     @SuppressWarnings("unchecked")
 111     public static InstanceIdentifier<Node> createInstanceIdentifier(InstanceIdentifierCodec instanceIdentifierCodec,
 112             OvsdbConnectionInstance client, Bridge bridge) {
 113         InstanceIdentifier<Node> iid;
 114         if (bridge.getExternalIdsColumn() != null
 115                 && bridge.getExternalIdsColumn().getData() != null
 116                 && bridge.getExternalIdsColumn().getData().containsKey(SouthboundConstants.IID_EXTERNAL_ID_KEY)) {
 117             String iidString = bridge.getExternalIdsColumn().getData().get(SouthboundConstants.IID_EXTERNAL_ID_KEY);
 118             iid = (InstanceIdentifier<Node>) instanceIdentifierCodec.bindingDeserializerOrNull(iidString);
 119         } else {
 120             iid = createInstanceIdentifier(client, bridge.getName());
 121         }
 122         return iid;
 123     }
 124
 125     @SuppressWarnings("unchecked")
 126     public static InstanceIdentifier<Node> createInstanceIdentifier(InstanceIdentifierCodec instanceIdentifierCodec,
 127             OvsdbConnectionInstance client, Controller controller, String bridgeName) {
 128         InstanceIdentifier<Node> iid;
 129         if (controller.getExternalIdsColumn() != null
 130                 && controller.getExternalIdsColumn().getData() != null
 131                 && controller.getExternalIdsColumn().getData().containsKey(SouthboundConstants.IID_EXTERNAL_ID_KEY)) {
 132             String iidString = controller.getExternalIdsColumn().getData().get(SouthboundConstants.IID_EXTERNAL_ID_KEY);
 133             iid = (InstanceIdentifier<Node>) instanceIdentifierCodec.bindingDeserializerOrNull(iidString);
 134         } else {
 135             iid = createInstanceIdentifier(client, bridgeName);
 136         }
 137         return iid;
 138     }
 139
 140     public static InstanceIdentifier<Node> createInstanceIdentifier(
 141             OvsdbConnectionInstance client, String bridgeName) {
 142         String nodeString = client.getNodeKey().getNodeId().getValue()
 143                 + "/bridge/" + bridgeName;
 144         NodeId nodeId = new NodeId(new Uri(nodeString));
 145         return createInstanceIdentifier(nodeId);
 146
 147     }
 148
 149     public static NodeId createManagedNodeId(InstanceIdentifier<Node> iid) {
 150         NodeKey nodeKey = iid.firstKeyOf(Node.class);
 151         return nodeKey.getNodeId();
 152     }
 153
 154     public static InetAddress createInetAddress(IpAddress ip) throws UnknownHostException {
 155         if (ip.getIpv4Address() != null) {
 156             return InetAddresses.forString(ip.getIpv4Address().getValue());
 157         } else if (ip.getIpv6Address() != null) {
 158             return InetAddress.getByName(ip.getIpv6Address().getValue());
 159         } else {
 160             throw new UnknownHostException("IP Address has no value");
 161         }
 162     }
 163
 164     public static DatapathId createDatapathId(Bridge bridge) {
 165         Preconditions.checkNotNull(bridge);
 166         if (bridge.getDatapathIdColumn() == null) {
 167             return null;
 168         } else {
 169             return createDatapathId(bridge.getDatapathIdColumn().getData());
 170         }
 171     }
 172
 173     public static DatapathId createDatapathId(Set<String> dpids) {
 174         Preconditions.checkNotNull(dpids);
 175         if (dpids.isEmpty()) {
 176             return null;
 177         } else {
 178             String[] dpidArray = new String[dpids.size()];
 179             dpids.toArray(dpidArray);
 180             return createDatapathId(dpidArray[0]);
 181         }
 182     }
 183
 184     public static DatapathId createDatapathId(String dpid) {
 185         Preconditions.checkNotNull(dpid);
 186         DatapathId datapath;
 187         if (dpid.matches("^[0-9a-fA-F]{16}")) {
 188             Splitter splitter = Splitter.fixedLength(2);
 189             Joiner joiner = Joiner.on(":");
 190             datapath = new DatapathId(joiner.join(splitter.split(dpid)));
 191         } else {
 192             datapath = new DatapathId(dpid);
 193         }
 194         return datapath;
 195     }
 196
 197     public static String createDatapathType(OvsdbBridgeAugmentation mdsalbridge) {
 198         String datapathtype = SouthboundConstants.DATAPATH_TYPE_MAP.get(DatapathTypeSystem.class);
 199
 200         if (mdsalbridge.getDatapathType() != null && !mdsalbridge.getDatapathType().equals(DatapathTypeBase.class)) {
 201             datapathtype = SouthboundConstants.DATAPATH_TYPE_MAP.get(mdsalbridge.getDatapathType());
 202             if (datapathtype == null) {
 203                 throw new IllegalArgumentException("Unknown datapath type " + mdsalbridge.getDatapathType().getName());
 204             }
 205         }
 206         return datapathtype;
 207     }
 208
 209     public static  Class<? extends DatapathTypeBase> createDatapathType(String type) {
 210         Preconditions.checkNotNull(type);
 211         if (type.isEmpty()) {
 212             return DatapathTypeSystem.class;
 213         } else {
 214             ImmutableBiMap<String, Class<? extends DatapathTypeBase>> mapper =
 215                     SouthboundConstants.DATAPATH_TYPE_MAP.inverse();
 216             return mapper.get(type);
 217         }
 218     }
 219
 220     public static Set<String> createOvsdbBridgeProtocols(OvsdbBridgeAugmentation ovsdbBridgeNode) {
 221         Set<String> protocols = new HashSet<>();
 222         if (ovsdbBridgeNode.getProtocolEntry() != null && ovsdbBridgeNode.getProtocolEntry().size() > 0) {
 223             for (ProtocolEntry protocol : ovsdbBridgeNode.getProtocolEntry()) {
 224                 if (SouthboundConstants.OVSDB_PROTOCOL_MAP.get(protocol.getProtocol()) != null) {
 225                     protocols.add(SouthboundConstants.OVSDB_PROTOCOL_MAP.get(protocol.getProtocol()));
 226                 } else {
 227                     throw new IllegalArgumentException("Unknown protocol " + protocol.getProtocol());
 228                 }
 229             }
 230         }
 231         return protocols;
 232     }
 233
 234     public static  Class<? extends InterfaceTypeBase> createInterfaceType(String type) {
 235         Preconditions.checkNotNull(type);
 236         return SouthboundConstants.OVSDB_INTERFACE_TYPE_MAP.get(type);
 237     }
 238
 239     public static String createOvsdbInterfaceType(Class<? extends InterfaceTypeBase> mdsaltype) {
 240         Preconditions.checkNotNull(mdsaltype);
 241         ImmutableBiMap<Class<? extends InterfaceTypeBase>, String> mapper =
 242                 SouthboundConstants.OVSDB_INTERFACE_TYPE_MAP.inverse();
 243         return mapper.get(mdsaltype);
 244     }
 245
 246     public static List<ProtocolEntry> createMdsalProtocols(Bridge bridge) {
 247         Set<String> protocols = null;
 248         try {
 249             protocols = bridge.getProtocolsColumn().getData();
 250         } catch (SchemaVersionMismatchException e) {
 251             schemaMismatchLog("protocols", "Bridge", e);
 252         }
 253         List<ProtocolEntry> protocolList = new ArrayList<>();
 254         if (protocols != null && protocols.size() > 0) {
 255             ImmutableBiMap<String, Class<? extends OvsdbBridgeProtocolBase>> mapper =
 256                     SouthboundConstants.OVSDB_PROTOCOL_MAP.inverse();
 257             for (String protocol : protocols) {
 258                 if (protocol != null && mapper.get(protocol) != null) {
 259                     protocolList.add(new ProtocolEntryBuilder().setProtocol(mapper.get(protocol)).build());
 260                 }
 261             }
 262         }
 263         return protocolList;
 264     }
 265
 266     /**
 267      * Create the {@link ControllerEntry} list given an OVSDB {@link Bridge}
 268      * and {@link Controller} rows.
 269      *
 270      * @param bridge the {@link Bridge} to update
 271      * @param updatedControllerRows the list of {@link Controller} controllers with updates
 272      * @return list of {@link ControllerEntry} entries
 273      */
 274     public static List<ControllerEntry> createControllerEntries(Bridge bridge,
 275                                                                 Map<UUID, Controller> updatedControllerRows) {
 276
 277         LOG.debug("createControllerEntries Bridge: {}\n, updatedControllerRows: {}",
 278                 bridge, updatedControllerRows);
 279         final Set<UUID> controllerUuids = bridge.getControllerColumn().getData();
 280         final List<ControllerEntry> controllerEntries = new ArrayList<>();
 281         for (UUID controllerUuid : controllerUuids) {
 282             final Controller controller = updatedControllerRows.get(controllerUuid);
 283             addControllerEntries(controllerEntries, controller);
 284         }
 285         LOG.debug("controllerEntries: {}", controllerEntries);
 286         return controllerEntries;
 287     }
 288
 289     /**
 290      * Create the {@link ControllerEntry} list given an MDSAL {@link Node} bridge
 291      * and {@link Controller} rows.
 292      *
 293      * @param bridgeNode the {@link Node} to update
 294      * @param updatedControllerRows the list of {@link Controller} controllers with updates
 295      * @return list of {@link ControllerEntry} entries
 296      */
 297     public static List<ControllerEntry> createControllerEntries(Node bridgeNode,
 298                                                                 Map<UUID, Controller> updatedControllerRows) {
 299
 300         LOG.debug("createControllerEntries Bridge 2: {}\n, updatedControllerRows: {}",
 301                 bridgeNode, updatedControllerRows);
 302         final List<ControllerEntry> controllerEntriesCreated = new ArrayList<>();
 303         final OvsdbBridgeAugmentation ovsdbBridgeAugmentation =
 304                 bridgeNode.augmentation(OvsdbBridgeAugmentation.class);
 305         if (ovsdbBridgeAugmentation == null) {
 306             return controllerEntriesCreated;
 307         }
 308
 309         final List<ControllerEntry> controllerEntries = ovsdbBridgeAugmentation.getControllerEntry();
 310         if (controllerEntries != null) {
 311             for (ControllerEntry controllerEntry : controllerEntries) {
 312                 final Controller controller = updatedControllerRows.get(
 313                         new UUID(controllerEntry.getControllerUuid().getValue()));
 314                 addControllerEntries(controllerEntriesCreated, controller);
 315             }
 316         }
 317         LOG.debug("controllerEntries: {}", controllerEntriesCreated);
 318         return controllerEntriesCreated;
 319     }
 320
 321     /**
 322      * Add the OVSDB {@link Controller} updates to the MDSAL {@link ControllerEntry} list.
 323      *
 324      * @param controllerEntries the list of {@link ControllerEntry} to update
 325      * @param controller the updated OVSDB {@link Controller}
 326      */
 327     public static void addControllerEntries(List<ControllerEntry> controllerEntries,
 328                                             final Controller controller) {
 329
 330         if (controller != null && controller.getTargetColumn() != null) {
 331             final String targetString = controller.getTargetColumn().getData();
 332             final org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.Uuid uuid =
 333                     new org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang
 334                             .ietf.yang.types.rev130715.Uuid(controller.getUuid().toString());
 335             ControllerEntryBuilder builder = new ControllerEntryBuilder();
 336
 337             if (controller.getMaxBackoffColumn() != null && controller.getMaxBackoffColumn().getData() != null
 338                     && !controller.getMaxBackoffColumn().getData().isEmpty()) {
 339                 builder.setMaxBackoff(controller.getMaxBackoffColumn().getData().iterator().next());
 340             }
 341             if (controller.getInactivityProbeColumn() != null && controller.getInactivityProbeColumn().getData() != null
 342                     && !controller.getInactivityProbeColumn().getData().isEmpty()) {
 343                 builder.setInactivityProbe(controller.getInactivityProbeColumn().getData().iterator().next());
 344             }
 345             controllerEntries.add(builder
 346                     .setTarget(new Uri(targetString))
 347                     .setIsConnected(controller.getIsConnectedColumn().getData())
 348                     .setControllerUuid(uuid).build());
 349         }
 350     }
 351
 352     // This is not called from anywhere but test. Do we need this?
 353     public static Map<UUID, Controller> createOvsdbController(OvsdbBridgeAugmentation omn,DatabaseSchema dbSchema) {
 354         List<ControllerEntry> controllerEntries = omn.getControllerEntry();
 355         Map<UUID,Controller> controllerMap = new HashMap<>();
 356         if (controllerEntries != null && !controllerEntries.isEmpty()) {
 357             for (ControllerEntry controllerEntry : controllerEntries) {
 358                 String controllerNamedUuid = "Controller_" + getRandomUuid();
 359                 Controller controller = TyperUtils.getTypedRowWrapper(dbSchema, Controller.class);
 360                 controller.setTarget(controllerEntry.getTarget().getValue());
 361                 controllerMap.put(new UUID(controllerNamedUuid), controller);
 362             }
 363         }
 364         return controllerMap;
 365     }
 366
 367     public static String getRandomUuid() {
 368         return "Random_" + java.util.UUID.randomUUID().toString().replace("-", "");
 369     }
 370
 371     public static ConnectionInfo createConnectionInfo(OvsdbClient client) {
 372         ConnectionInfoBuilder connectionInfoBuilder = new ConnectionInfoBuilder();
 373         connectionInfoBuilder.setRemoteIp(createIpAddress(client.getConnectionInfo().getRemoteAddress()));
 374         connectionInfoBuilder.setRemotePort(new PortNumber(client.getConnectionInfo().getRemotePort()));
 375         connectionInfoBuilder.setLocalIp(createIpAddress(client.getConnectionInfo().getLocalAddress()));
 376         connectionInfoBuilder.setLocalPort(new PortNumber(client.getConnectionInfo().getLocalPort()));
 377         return connectionInfoBuilder.build();
 378     }
 379
 380     public static ConnectionInfo suppressLocalIpPort(ConnectionInfo connectionInfo) {
 381         ConnectionInfoBuilder connectionInfoBuilder = new ConnectionInfoBuilder();
 382         connectionInfoBuilder.setRemoteIp(connectionInfo.getRemoteIp());
 383         connectionInfoBuilder.setRemotePort(connectionInfo.getRemotePort());
 384         return connectionInfoBuilder.build();
 385     }
 386
 387     /**
 388      * Create the {@link ManagerEntry} list given an OVSDB {@link OpenVSwitch}
 389      * and {@link Manager} rows.
 390      *
 391      * @param ovsdbNode the {@link OpenVSwitch} to update
 392      * @param updatedManagerRows the list of {@link Manager} managers with updates
 393      * @return list of {@link ManagerEntry} entries
 394      */
 395     public static List<ManagerEntry> createManagerEntries(OpenVSwitch ovsdbNode,
 396                                                                 Map<UUID, Manager> updatedManagerRows) {
 397
 398         LOG.debug("createManagerEntries OpenVSwitch: {}\n, updatedManagerRows: {}",
 399                 ovsdbNode, updatedManagerRows);
 400         final Set<UUID> managerUuids = ovsdbNode.getManagerOptionsColumn().getData();
 401         final List<ManagerEntry> managerEntries = new ArrayList<>();
 402         for (UUID managerUuid : managerUuids) {
 403             final Manager manager = updatedManagerRows.get(managerUuid);
 404             addManagerEntries(managerEntries, manager);
 405         }
 406         LOG.debug("managerEntries: {}", managerEntries);
 407         return managerEntries;
 408     }
 409
 410     /**
 411      * Create the {@link ManagerEntry} list given an MDSAL {@link Node} ovsdbNode
 412      * and {@link Manager} rows.
 413      *
 414      * @param ovsdbNode the {@link Node} to update
 415      * @param updatedManagerRows the list of {@link Manager} managers with updates
 416      * @return list of {@link ManagerEntry} entries
 417      */
 418     public static List<ManagerEntry> createManagerEntries(Node ovsdbNode,
 419                                                                 Map<Uri, Manager> updatedManagerRows) {
 420
 421         LOG.debug("createManagerEntries based on OVSDB Node: {}\n, updatedManagerRows: {}",
 422                 ovsdbNode, updatedManagerRows);
 423         final List<ManagerEntry> managerEntriesCreated = new ArrayList<>();
 424         final OvsdbNodeAugmentation ovsdbNodeAugmentation =
 425                 ovsdbNode.augmentation(OvsdbNodeAugmentation.class);
 426         if (ovsdbNodeAugmentation == null) {
 427             return managerEntriesCreated;
 428         }
 429
 430         final List<ManagerEntry> managerEntries = ovsdbNodeAugmentation.getManagerEntry();
 431         if (managerEntries != null) {
 432             for (ManagerEntry managerEntry : managerEntries) {
 433                 final Manager manager = updatedManagerRows.get(managerEntry.getTarget());
 434                 addManagerEntries(managerEntriesCreated, manager);
 435             }
 436         }
 437         LOG.debug("managerEntries: {}", managerEntriesCreated);
 438         return managerEntriesCreated;
 439     }
 440
 441     /**
 442      * Add the OVSDB {@link Manager} updates to the MDSAL {@link ManagerEntry} list.
 443      *
 444      * @param managerEntries the list of {@link ManagerEntry} to update
 445      * @param manager the updated OVSDB {@link Manager}
 446      */
 447     public static void addManagerEntries(List<ManagerEntry> managerEntries,
 448                                             final Manager manager) {
 449
 450         if (manager != null && manager.getTargetColumn() != null) {
 451             long numberOfConnections = 0;
 452             final String targetString = manager.getTargetColumn().getData();
 453
 454             final Map<String, String> statusAttributeMap =
 455                             manager.getStatusColumn() == null ? null : manager.getStatusColumn().getData();
 456             if (statusAttributeMap != null && statusAttributeMap.containsKey(N_CONNECTIONS_STR)) {
 457                 String numberOfConnectionValueStr = statusAttributeMap.get(N_CONNECTIONS_STR);
 458                 numberOfConnections = Integer.parseInt(numberOfConnectionValueStr);
 459             } else {
 460                 final boolean isConnected = manager.getIsConnectedColumn().getData();
 461                 if (isConnected) {
 462                     numberOfConnections = 1;
 463                 }
 464             }
 465             managerEntries.add(new ManagerEntryBuilder()
 466                     .setTarget(new Uri(targetString))
 467                     .setNumberOfConnections(numberOfConnections)
 468                     .setConnected(manager.getIsConnectedColumn().getData()).build());
 469         }
 470     }
 471
 472     /**
 473      * Return the MD-SAL QoS type class corresponding to the QoS type {@link Qos}.
 474      *
 475      * @param type the QoS type to match {@link String}
 476      * @return class matching the input QoS type {@link QosTypeBase}
 477      */
 478     public static  Class<? extends QosTypeBase> createQosType(String type) {
 479         Preconditions.checkNotNull(type);
 480         if (type.isEmpty()) {
 481             LOG.info("QoS type not supplied");
 482             return QosTypeBase.class;
 483         } else {
 484             ImmutableBiMap<String, Class<? extends QosTypeBase>> mapper =
 485                     SouthboundConstants.QOS_TYPE_MAP.inverse();
 486             if (mapper.get(type) == null) {
 487                 LOG.info("QoS type not found in model: {}", type);
 488                 return QosTypeBase.class;
 489             } else {
 490                 return mapper.get(type);
 491             }
 492         }
 493     }
 494
 495     public static String createQosType(Class<? extends QosTypeBase> qosTypeClass) {
 496         String qosType = SouthboundConstants.QOS_TYPE_MAP.get(QosTypeBase.class);
 497
 498         if (qosTypeClass != null && !qosTypeClass.equals(QosTypeBase.class)) {
 499             qosType = SouthboundConstants.QOS_TYPE_MAP.get(qosTypeClass);
 500             if (qosType == null) {
 501                 throw new IllegalArgumentException("Unknown QoS type" + qosTypeClass.getName());
 502             }
 503         }
 504         return qosType;
 505     }
 506
 507
 508     public static InstanceIdentifier<Node> getInstanceIdentifier(InstanceIdentifierCodec instanceIdentifierCodec,
 509             OpenVSwitch ovs) {
 510         if (ovs.getExternalIdsColumn() != null
 511                 && ovs.getExternalIdsColumn().getData() != null
 512                 && ovs.getExternalIdsColumn().getData().containsKey(SouthboundConstants.IID_EXTERNAL_ID_KEY)) {
 513             String iidString = ovs.getExternalIdsColumn().getData().get(SouthboundConstants.IID_EXTERNAL_ID_KEY);
 514             return (InstanceIdentifier<Node>) instanceIdentifierCodec.bindingDeserializerOrNull(iidString);
 515         } else {
 516             String nodeString = SouthboundConstants.OVSDB_URI_PREFIX + "://" + SouthboundConstants.UUID + "/"
 517                     + ovs.getUuid().toString();
 518             NodeId nodeId = new NodeId(new Uri(nodeString));
 519             NodeKey nodeKey = new NodeKey(nodeId);
 520             return InstanceIdentifier.builder(NetworkTopology.class)
 521                     .child(Topology.class,new TopologyKey(SouthboundConstants.OVSDB_TOPOLOGY_ID))
 522                     .child(Node.class,nodeKey)
 523                     .build();
 524         }
 525     }
 526
 527     public static Map<InstanceIdentifier<?>, DataObject> extractTerminationPointConfigurationChanges(
 528             final Node bridgeNode) {
 529         Map<InstanceIdentifier<?>, DataObject> changes = new HashMap<>();
 530         final InstanceIdentifier<Node> bridgeNodeIid =
 531                 SouthboundMapper.createInstanceIdentifier(bridgeNode.getNodeId());
 532         changes.put(bridgeNodeIid, bridgeNode);
 533
 534         List<TerminationPoint> terminationPoints = bridgeNode.getTerminationPoint();
 535         if (terminationPoints != null && !terminationPoints.isEmpty()) {
 536             for (TerminationPoint tp : terminationPoints) {
 537                 OvsdbTerminationPointAugmentation ovsdbTerminationPointAugmentation =
 538                         tp.augmentation(OvsdbTerminationPointAugmentation.class);
 539                 if (ovsdbTerminationPointAugmentation != null) {
 540                     final InstanceIdentifier<OvsdbTerminationPointAugmentation> tpIid =
 541                             bridgeNodeIid
 542                                     .child(TerminationPoint.class, new TerminationPointKey(tp.getTpId()))
 543                                     .builder()
 544                                     .augmentation(OvsdbTerminationPointAugmentation.class)
 545                                     .build();
 546                     changes.put(tpIid, ovsdbTerminationPointAugmentation);
 547                 }
 548             }
 549         }
 550         return changes;
 551     }
 552 }