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 java.util.Objects.requireNonNull;
  11 import static org.opendaylight.ovsdb.southbound.SouthboundUtil.schemaMismatchLog;
  12
  13 import com.google.common.base.Joiner;
  14 import com.google.common.base.Preconditions;
  15 import com.google.common.base.Splitter;
  16 import com.google.common.collect.ImmutableBiMap;
  17 import com.google.common.net.InetAddresses;
  18 import java.net.Inet4Address;
  19 import java.net.Inet6Address;
  20 import java.net.InetAddress;
  21 import java.net.UnknownHostException;
  22 import java.util.ArrayList;
  23 import java.util.HashMap;
  24 import java.util.HashSet;
  25 import java.util.List;
  26 import java.util.Map;
  27 import java.util.Set;
  28 import org.opendaylight.ovsdb.lib.OvsdbClient;
  29 import org.opendaylight.ovsdb.lib.error.SchemaVersionMismatchException;
  30 import org.opendaylight.ovsdb.lib.notation.UUID;
  31 import org.opendaylight.ovsdb.lib.schema.DatabaseSchema;
  32 import org.opendaylight.ovsdb.lib.schema.typed.TypedDatabaseSchema;
  33 import org.opendaylight.ovsdb.schema.openvswitch.Bridge;
  34 import org.opendaylight.ovsdb.schema.openvswitch.Controller;
  35 import org.opendaylight.ovsdb.schema.openvswitch.Manager;
  36 import org.opendaylight.ovsdb.schema.openvswitch.OpenVSwitch;
  37 import org.opendaylight.ovsdb.schema.openvswitch.Qos;
  38 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.IetfInetUtil;
  39 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.IpAddress;
  40 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv6Address;
  41 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.PortNumber;
  42 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Uri;
  43 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.DatapathId;
  44 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.DatapathTypeBase;
  45 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.DatapathTypeSystem;
  46 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.InterfaceTypeBase;
  47 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbBridgeAugmentation;
  48 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbBridgeProtocolBase;
  49 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbNodeAugmentation;
  50 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbTerminationPointAugmentation;
  51 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.QosTypeBase;
  52 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.bridge.attributes.ControllerEntry;
  53 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.bridge.attributes.ControllerEntryBuilder;
  54 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.bridge.attributes.ControllerEntryKey;
  55 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.bridge.attributes.ProtocolEntry;
  56 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.bridge.attributes.ProtocolEntryBuilder;
  57 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.bridge.attributes.ProtocolEntryKey;
  58 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.node.attributes.ConnectionInfo;
  59 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.node.attributes.ConnectionInfoBuilder;
  60 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.node.attributes.ManagerEntry;
  61 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.node.attributes.ManagerEntryBuilder;
  62 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.node.attributes.ManagerEntryKey;
  63 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NetworkTopology;
  64 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NodeId;
  65 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.Topology;
  66 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.TopologyKey;
  67 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
  68 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.NodeKey;
  69 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.node.TerminationPoint;
  70 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.node.TerminationPointKey;
  71 import org.opendaylight.yangtools.yang.binding.DataObject;
  72 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  73 import org.opendaylight.yangtools.yang.common.Uint16;
  74 import org.opendaylight.yangtools.yang.common.Uint32;
  75 import org.slf4j.Logger;
  76 import org.slf4j.LoggerFactory;
  77
  78 public final class SouthboundMapper {
  79     private static final Logger LOG = LoggerFactory.getLogger(SouthboundMapper.class);
  80     private static final String N_CONNECTIONS_STR = "n_connections";
  81
  82     private SouthboundMapper() {
  83
  84     }
  85
  86     public static IpAddress createIpAddress(final InetAddress address) {
  87         IpAddress ip = null;
  88         if (address instanceof Inet4Address) {
  89             ip = createIpAddress((Inet4Address)address);
  90         } else if (address instanceof Inet6Address) {
  91             ip = createIpAddress((Inet6Address)address);
  92         }
  93         return ip;
  94     }
  95
  96     public static IpAddress createIpAddress(final Inet4Address address) {
  97         return IetfInetUtil.INSTANCE.ipAddressFor(address);
  98     }
  99
 100     public static IpAddress createIpAddress(final Inet6Address address) {
 101         Ipv6Address ipv6 = new Ipv6Address(address.getHostAddress());
 102         return new IpAddress(ipv6);
 103     }
 104
 105     public static InstanceIdentifier<Topology> createTopologyInstanceIdentifier() {
 106         return InstanceIdentifier
 107                 .create(NetworkTopology.class)
 108                 .child(Topology.class, new TopologyKey(SouthboundConstants.OVSDB_TOPOLOGY_ID));
 109     }
 110
 111     public static InstanceIdentifier<Node> createInstanceIdentifier(final NodeId nodeId) {
 112         return createTopologyInstanceIdentifier()
 113                 .child(Node.class,new NodeKey(nodeId));
 114     }
 115
 116     @SuppressWarnings("unchecked")
 117     public static InstanceIdentifier<Node> createInstanceIdentifier(
 118             final InstanceIdentifierCodec instanceIdentifierCodec, final OvsdbConnectionInstance client,
 119             final Bridge bridge) {
 120         InstanceIdentifier<Node> iid;
 121         if (bridge.getExternalIdsColumn() != null
 122                 && bridge.getExternalIdsColumn().getData() != null
 123                 && bridge.getExternalIdsColumn().getData().containsKey(SouthboundConstants.IID_EXTERNAL_ID_KEY)) {
 124             String iidString = bridge.getExternalIdsColumn().getData().get(SouthboundConstants.IID_EXTERNAL_ID_KEY);
 125             iid = (InstanceIdentifier<Node>) instanceIdentifierCodec.bindingDeserializerOrNull(iidString);
 126         } else {
 127             iid = createInstanceIdentifier(client, bridge.getName());
 128         }
 129         return iid;
 130     }
 131
 132     @SuppressWarnings("unchecked")
 133     public static InstanceIdentifier<Node> createInstanceIdentifier(
 134             final InstanceIdentifierCodec instanceIdentifierCodec, final OvsdbConnectionInstance client,
 135             final Controller controller, final String bridgeName) {
 136         InstanceIdentifier<Node> iid;
 137         if (controller.getExternalIdsColumn() != null
 138                 && controller.getExternalIdsColumn().getData() != null
 139                 && controller.getExternalIdsColumn().getData().containsKey(SouthboundConstants.IID_EXTERNAL_ID_KEY)) {
 140             String iidString = controller.getExternalIdsColumn().getData().get(SouthboundConstants.IID_EXTERNAL_ID_KEY);
 141             iid = (InstanceIdentifier<Node>) instanceIdentifierCodec.bindingDeserializerOrNull(iidString);
 142         } else {
 143             iid = createInstanceIdentifier(client, bridgeName);
 144         }
 145         return iid;
 146     }
 147
 148     public static InstanceIdentifier<Node> createInstanceIdentifier(
 149             final OvsdbConnectionInstance client, final String bridgeName) {
 150         String nodeString = client.getNodeKey().getNodeId().getValue()
 151                 + "/bridge/" + bridgeName;
 152         NodeId nodeId = new NodeId(new Uri(nodeString));
 153         return createInstanceIdentifier(nodeId);
 154
 155     }
 156
 157     public static NodeId createManagedNodeId(final InstanceIdentifier<Node> iid) {
 158         NodeKey nodeKey = iid.firstKeyOf(Node.class);
 159         return nodeKey.getNodeId();
 160     }
 161
 162     public static InetAddress createInetAddress(final IpAddress ip) throws UnknownHostException {
 163         if (ip.getIpv4Address() != null) {
 164             return InetAddresses.forString(ip.getIpv4Address().getValue());
 165         } else if (ip.getIpv6Address() != null) {
 166             return InetAddress.getByName(ip.getIpv6Address().getValue());
 167         } else {
 168             throw new UnknownHostException("IP Address has no value");
 169         }
 170     }
 171
 172     public static DatapathId createDatapathId(final Bridge bridge) {
 173         requireNonNull(bridge);
 174         if (bridge.getDatapathIdColumn() == null) {
 175             return null;
 176         } else {
 177             return createDatapathId(bridge.getDatapathIdColumn().getData());
 178         }
 179     }
 180
 181     public static DatapathId createDatapathId(final Set<String> dpids) {
 182         requireNonNull(dpids);
 183         if (dpids.isEmpty()) {
 184             return null;
 185         } else {
 186             String[] dpidArray = new String[dpids.size()];
 187             dpids.toArray(dpidArray);
 188             return createDatapathId(dpidArray[0]);
 189         }
 190     }
 191
 192     public static DatapathId createDatapathId(final String dpid) {
 193         requireNonNull(dpid);
 194         DatapathId datapath;
 195         if (dpid.matches("^[0-9a-fA-F]{16}")) {
 196             Splitter splitter = Splitter.fixedLength(2);
 197             Joiner joiner = Joiner.on(":");
 198             datapath = new DatapathId(joiner.join(splitter.split(dpid)));
 199         } else {
 200             datapath = new DatapathId(dpid);
 201         }
 202         return datapath;
 203     }
 204
 205     public static String createDatapathType(final OvsdbBridgeAugmentation mdsalbridge) {
 206         String datapathtype = SouthboundConstants.DATAPATH_TYPE_MAP.get(DatapathTypeSystem.class);
 207
 208         if (mdsalbridge.getDatapathType() != null && !mdsalbridge.getDatapathType().equals(DatapathTypeBase.class)) {
 209             datapathtype = SouthboundConstants.DATAPATH_TYPE_MAP.get(mdsalbridge.getDatapathType());
 210             if (datapathtype == null) {
 211                 throw new IllegalArgumentException("Unknown datapath type " + mdsalbridge.getDatapathType().getName());
 212             }
 213         }
 214         return datapathtype;
 215     }
 216
 217     public static Class<? extends DatapathTypeBase> createDatapathType(final String type) {
 218         if (type.isEmpty()) {
 219             return DatapathTypeSystem.class;
 220         }
 221         return SouthboundConstants.DATAPATH_TYPE_MAP.inverse().get(type);
 222     }
 223
 224     public static Set<String> createOvsdbBridgeProtocols(final OvsdbBridgeAugmentation ovsdbBridgeNode) {
 225         Set<String> protocols = new HashSet<>();
 226         Map<ProtocolEntryKey, ProtocolEntry> entries = ovsdbBridgeNode.getProtocolEntry();
 227         if (entries != null) {
 228             for (ProtocolEntry protocol : entries.values()) {
 229                 Class<? extends OvsdbBridgeProtocolBase> lookup = protocol.getProtocol();
 230                 final String toAdd = SouthboundConstants.OVSDB_PROTOCOL_MAP.get(protocol.getProtocol());
 231                 Preconditions.checkArgument(toAdd != null, "Unknown protocol %s", lookup);
 232                 protocols.add(toAdd);
 233             }
 234         }
 235         return protocols;
 236     }
 237
 238     public static  Class<? extends InterfaceTypeBase> createInterfaceType(final String type) {
 239         return SouthboundConstants.OVSDB_INTERFACE_TYPE_MAP.get(requireNonNull(type));
 240     }
 241
 242     public static String createOvsdbInterfaceType(final Class<? extends InterfaceTypeBase> mdsaltype) {
 243         return SouthboundConstants.OVSDB_INTERFACE_TYPE_MAP.inverse().get(requireNonNull(mdsaltype));
 244     }
 245
 246     public static List<ProtocolEntry> createMdsalProtocols(final 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.isEmpty()) {
 255             ImmutableBiMap<String, Class<? extends OvsdbBridgeProtocolBase>> mapper =
 256                     SouthboundConstants.OVSDB_PROTOCOL_MAP.inverse();
 257             for (String protocol : protocols) {
 258                 if (protocol != null) {
 259                     final Class<? extends OvsdbBridgeProtocolBase> mapped = mapper.get(protocol);
 260                     if (mapped != null) {
 261                         protocolList.add(new ProtocolEntryBuilder().setProtocol(mapped).build());
 262                     }
 263                 }
 264             }
 265         }
 266         return protocolList;
 267     }
 268
 269     /**
 270      * Create the {@link ControllerEntry} list given an OVSDB {@link Bridge}
 271      * and {@link Controller} rows.
 272      *
 273      * @param bridge the {@link Bridge} to update
 274      * @param updatedControllerRows the list of {@link Controller} controllers with updates
 275      * @return list of {@link ControllerEntry} entries
 276      */
 277     public static List<ControllerEntry> createControllerEntries(final Bridge bridge,
 278                                                                 final Map<UUID, Controller> updatedControllerRows) {
 279
 280         LOG.debug("createControllerEntries Bridge: {}\n, updatedControllerRows: {}",
 281                 bridge, updatedControllerRows);
 282         final Set<UUID> controllerUuids = bridge.getControllerColumn().getData();
 283         final List<ControllerEntry> controllerEntries = new ArrayList<>();
 284         for (UUID controllerUuid : controllerUuids) {
 285             final Controller controller = updatedControllerRows.get(controllerUuid);
 286             addControllerEntries(controllerEntries, controller);
 287         }
 288         LOG.debug("controllerEntries: {}", controllerEntries);
 289         return controllerEntries;
 290     }
 291
 292     /**
 293      * Create the {@link ControllerEntry} list given an MDSAL {@link Node} bridge
 294      * and {@link Controller} rows.
 295      *
 296      * @param bridgeNode the {@link Node} to update
 297      * @param updatedControllerRows the list of {@link Controller} controllers with updates
 298      * @return list of {@link ControllerEntry} entries
 299      */
 300     public static List<ControllerEntry> createControllerEntries(final Node bridgeNode,
 301                                                                 final Map<UUID, Controller> updatedControllerRows) {
 302
 303         LOG.debug("createControllerEntries Bridge 2: {}\n, updatedControllerRows: {}",
 304                 bridgeNode, updatedControllerRows);
 305         final List<ControllerEntry> controllerEntriesCreated = new ArrayList<>();
 306         final OvsdbBridgeAugmentation ovsdbBridgeAugmentation =
 307                 bridgeNode.augmentation(OvsdbBridgeAugmentation.class);
 308         if (ovsdbBridgeAugmentation == null) {
 309             return controllerEntriesCreated;
 310         }
 311
 312         final Map<ControllerEntryKey, ControllerEntry> controllerEntries = ovsdbBridgeAugmentation.getControllerEntry();
 313         if (controllerEntries != null) {
 314             for (ControllerEntry controllerEntry : controllerEntries.values()) {
 315                 final Controller controller = updatedControllerRows.get(
 316                         new UUID(controllerEntry.getControllerUuid().getValue()));
 317                 addControllerEntries(controllerEntriesCreated, controller);
 318             }
 319         }
 320         LOG.debug("controllerEntries: {}", controllerEntriesCreated);
 321         return controllerEntriesCreated;
 322     }
 323
 324     /**
 325      * Add the OVSDB {@link Controller} updates to the MDSAL {@link ControllerEntry} list.
 326      *
 327      * @param controllerEntries the list of {@link ControllerEntry} to update
 328      * @param controller the updated OVSDB {@link Controller}
 329      */
 330     public static void addControllerEntries(final List<ControllerEntry> controllerEntries,
 331                                             final Controller controller) {
 332
 333         if (controller != null && controller.getTargetColumn() != null) {
 334             final String targetString = controller.getTargetColumn().getData();
 335             final org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.Uuid uuid =
 336                     new org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang
 337                             .ietf.yang.types.rev130715.Uuid(controller.getUuid().toString());
 338             ControllerEntryBuilder builder = new ControllerEntryBuilder();
 339
 340             if (controller.getMaxBackoffColumn() != null && controller.getMaxBackoffColumn().getData() != null
 341                     && !controller.getMaxBackoffColumn().getData().isEmpty()) {
 342                 builder.setMaxBackoff(Uint32.valueOf(controller.getMaxBackoffColumn().getData().iterator().next()));
 343             }
 344             if (controller.getInactivityProbeColumn() != null && controller.getInactivityProbeColumn().getData() != null
 345                     && !controller.getInactivityProbeColumn().getData().isEmpty()) {
 346                 builder.setInactivityProbe(
 347                     Uint32.valueOf(controller.getInactivityProbeColumn().getData().iterator().next()));
 348             }
 349             controllerEntries.add(builder
 350                     .setTarget(new Uri(targetString))
 351                     .setIsConnected(controller.getIsConnectedColumn().getData())
 352                     .setControllerUuid(uuid).build());
 353         }
 354     }
 355
 356     // This is not called from anywhere but test. Do we need this?
 357     public static Map<UUID, Controller> createOvsdbController(final OvsdbBridgeAugmentation omn,
 358             final DatabaseSchema dbSchema) {
 359         Map<ControllerEntryKey, ControllerEntry> controllerEntries = omn.getControllerEntry();
 360         Map<UUID,Controller> controllerMap = new HashMap<>();
 361         if (controllerEntries != null && !controllerEntries.isEmpty()) {
 362             for (ControllerEntry controllerEntry : controllerEntries.values()) {
 363                 String controllerNamedUuid = "Controller_" + getRandomUuid();
 364                 Controller controller = TypedDatabaseSchema.of(dbSchema).getTypedRowWrapper(Controller.class);
 365                 controller.setTarget(controllerEntry.getTarget().getValue());
 366                 controllerMap.put(new UUID(controllerNamedUuid), controller);
 367             }
 368         }
 369         return controllerMap;
 370     }
 371
 372     public static String getRandomUuid() {
 373         return "Random_" + java.util.UUID.randomUUID().toString().replace("-", "");
 374     }
 375
 376     public static ConnectionInfo createConnectionInfo(final OvsdbClient client) {
 377         ConnectionInfoBuilder connectionInfoBuilder = new ConnectionInfoBuilder();
 378         connectionInfoBuilder.setRemoteIp(createIpAddress(client.getConnectionInfo().getRemoteAddress()));
 379         connectionInfoBuilder.setRemotePort(new PortNumber(Uint16.valueOf(client.getConnectionInfo().getRemotePort())));
 380         connectionInfoBuilder.setLocalIp(createIpAddress(client.getConnectionInfo().getLocalAddress()));
 381         connectionInfoBuilder.setLocalPort(new PortNumber(Uint16.valueOf(client.getConnectionInfo().getLocalPort())));
 382         return connectionInfoBuilder.build();
 383     }
 384
 385     public static ConnectionInfo suppressLocalIpPort(final ConnectionInfo connectionInfo) {
 386         ConnectionInfoBuilder connectionInfoBuilder = new ConnectionInfoBuilder();
 387         connectionInfoBuilder.setRemoteIp(connectionInfo.getRemoteIp());
 388         connectionInfoBuilder.setRemotePort(connectionInfo.getRemotePort());
 389         return connectionInfoBuilder.build();
 390     }
 391
 392     /**
 393      * Create the {@link ManagerEntry} list given an OVSDB {@link OpenVSwitch}
 394      * and {@link Manager} rows.
 395      *
 396      * @param ovsdbNode the {@link OpenVSwitch} to update
 397      * @param updatedManagerRows the list of {@link Manager} managers with updates
 398      * @return list of {@link ManagerEntry} entries
 399      */
 400     public static List<ManagerEntry> createManagerEntries(final OpenVSwitch ovsdbNode,
 401                                                                 final Map<UUID, Manager> updatedManagerRows) {
 402
 403         LOG.debug("createManagerEntries OpenVSwitch: {}\n, updatedManagerRows: {}",
 404                 ovsdbNode, updatedManagerRows);
 405         final Set<UUID> managerUuids = ovsdbNode.getManagerOptionsColumn().getData();
 406         final List<ManagerEntry> managerEntries = new ArrayList<>();
 407         for (UUID managerUuid : managerUuids) {
 408             final Manager manager = updatedManagerRows.get(managerUuid);
 409             addManagerEntries(managerEntries, manager);
 410         }
 411         LOG.debug("managerEntries: {}", managerEntries);
 412         return managerEntries;
 413     }
 414
 415     /**
 416      * Create the {@link ManagerEntry} list given an MDSAL {@link Node} ovsdbNode
 417      * and {@link Manager} rows.
 418      *
 419      * @param ovsdbNode the {@link Node} to update
 420      * @param updatedManagerRows the list of {@link Manager} managers with updates
 421      * @return list of {@link ManagerEntry} entries
 422      */
 423     public static List<ManagerEntry> createManagerEntries(final Node ovsdbNode,
 424                                                                 final Map<Uri, Manager> updatedManagerRows) {
 425
 426         LOG.debug("createManagerEntries based on OVSDB Node: {}\n, updatedManagerRows: {}",
 427                 ovsdbNode, updatedManagerRows);
 428         final List<ManagerEntry> managerEntriesCreated = new ArrayList<>();
 429         final OvsdbNodeAugmentation ovsdbNodeAugmentation =
 430                 ovsdbNode.augmentation(OvsdbNodeAugmentation.class);
 431         if (ovsdbNodeAugmentation == null) {
 432             return managerEntriesCreated;
 433         }
 434
 435         final Map<ManagerEntryKey, ManagerEntry> managerEntries = ovsdbNodeAugmentation.getManagerEntry();
 436         if (managerEntries != null) {
 437             for (ManagerEntry managerEntry : managerEntries.values()) {
 438                 final Manager manager = updatedManagerRows.get(managerEntry.getTarget());
 439                 addManagerEntries(managerEntriesCreated, manager);
 440             }
 441         }
 442         LOG.debug("managerEntries: {}", managerEntriesCreated);
 443         return managerEntriesCreated;
 444     }
 445
 446     /**
 447      * Add the OVSDB {@link Manager} updates to the MDSAL {@link ManagerEntry} list.
 448      *
 449      * @param managerEntries the list of {@link ManagerEntry} to update
 450      * @param manager the updated OVSDB {@link Manager}
 451      */
 452     public static void addManagerEntries(final List<ManagerEntry> managerEntries,
 453                                             final Manager manager) {
 454
 455         if (manager != null && manager.getTargetColumn() != null) {
 456             Uint32 numberOfConnections = Uint32.ZERO;
 457             final String targetString = manager.getTargetColumn().getData();
 458
 459             final Map<String, String> statusAttributeMap =
 460                             manager.getStatusColumn() == null ? null : manager.getStatusColumn().getData();
 461             if (statusAttributeMap != null && statusAttributeMap.containsKey(N_CONNECTIONS_STR)) {
 462                 String numberOfConnectionValueStr = statusAttributeMap.get(N_CONNECTIONS_STR);
 463                 numberOfConnections = Uint32.valueOf(numberOfConnectionValueStr);
 464             } else {
 465                 final boolean isConnected = manager.getIsConnectedColumn().getData();
 466                 if (isConnected) {
 467                     numberOfConnections = Uint32.ONE;
 468                 }
 469             }
 470             managerEntries.add(new ManagerEntryBuilder()
 471                     .setTarget(new Uri(targetString))
 472                     .setNumberOfConnections(numberOfConnections)
 473                     .setConnected(manager.getIsConnectedColumn().getData()).build());
 474         }
 475     }
 476
 477     /**
 478      * Return the MD-SAL QoS type class corresponding to the QoS type {@link Qos}.
 479      *
 480      * @param type the QoS type to match {@link String}
 481      * @return class matching the input QoS type {@link QosTypeBase}
 482      */
 483     public static  Class<? extends QosTypeBase> createQosType(final String type) {
 484         requireNonNull(type);
 485         if (type.isEmpty()) {
 486             LOG.info("QoS type not supplied");
 487             return QosTypeBase.class;
 488         } else {
 489             ImmutableBiMap<String, Class<? extends QosTypeBase>> mapper =
 490                     SouthboundConstants.QOS_TYPE_MAP.inverse();
 491             if (mapper.get(type) == null) {
 492                 LOG.info("QoS type not found in model: {}", type);
 493                 return QosTypeBase.class;
 494             } else {
 495                 return mapper.get(type);
 496             }
 497         }
 498     }
 499
 500     public static String createQosType(final Class<? extends QosTypeBase> qosTypeClass) {
 501         String qosType = SouthboundConstants.QOS_TYPE_MAP.get(QosTypeBase.class);
 502
 503         if (qosTypeClass != null && !qosTypeClass.equals(QosTypeBase.class)) {
 504             qosType = SouthboundConstants.QOS_TYPE_MAP.get(qosTypeClass);
 505             if (qosType == null) {
 506                 throw new IllegalArgumentException("Unknown QoS type" + qosTypeClass.getName());
 507             }
 508         }
 509         return qosType;
 510     }
 511
 512
 513     public static InstanceIdentifier<Node> getInstanceIdentifier(final InstanceIdentifierCodec instanceIdentifierCodec,
 514             final OpenVSwitch ovs) {
 515         if (ovs.getExternalIdsColumn() != null
 516                 && ovs.getExternalIdsColumn().getData() != null
 517                 && ovs.getExternalIdsColumn().getData().containsKey(SouthboundConstants.IID_EXTERNAL_ID_KEY)) {
 518             String iidString = ovs.getExternalIdsColumn().getData().get(SouthboundConstants.IID_EXTERNAL_ID_KEY);
 519             return (InstanceIdentifier<Node>) instanceIdentifierCodec.bindingDeserializerOrNull(iidString);
 520         } else {
 521             String nodeString = SouthboundConstants.OVSDB_URI_PREFIX + "://" + SouthboundConstants.UUID + "/"
 522                     + ovs.getUuid().toString();
 523             NodeId nodeId = new NodeId(new Uri(nodeString));
 524             NodeKey nodeKey = new NodeKey(nodeId);
 525             return InstanceIdentifier.builder(NetworkTopology.class)
 526                     .child(Topology.class,new TopologyKey(SouthboundConstants.OVSDB_TOPOLOGY_ID))
 527                     .child(Node.class,nodeKey)
 528                     .build();
 529         }
 530     }
 531
 532     public static Map<InstanceIdentifier<?>, DataObject> extractTerminationPointConfigurationChanges(
 533             final Node bridgeNode) {
 534         Map<InstanceIdentifier<?>, DataObject> changes = new HashMap<>();
 535         final InstanceIdentifier<Node> bridgeNodeIid =
 536                 SouthboundMapper.createInstanceIdentifier(bridgeNode.getNodeId());
 537         changes.put(bridgeNodeIid, bridgeNode);
 538
 539         Map<TerminationPointKey, TerminationPoint> terminationPoints = bridgeNode.getTerminationPoint();
 540         if (terminationPoints != null) {
 541             for (TerminationPoint tp : terminationPoints.values()) {
 542                 OvsdbTerminationPointAugmentation ovsdbTerminationPointAugmentation =
 543                         tp.augmentation(OvsdbTerminationPointAugmentation.class);
 544                 if (ovsdbTerminationPointAugmentation != null) {
 545                     final InstanceIdentifier<OvsdbTerminationPointAugmentation> tpIid =
 546                             bridgeNodeIid
 547                                     .child(TerminationPoint.class, new TerminationPointKey(tp.getTpId()))
 548                                     .builder()
 549                                     .augmentation(OvsdbTerminationPointAugmentation.class)
 550                                     .build();
 551                     changes.put(tpIid, ovsdbTerminationPointAugmentation);
 552                 }
 553             }
 554         }
 555         return changes;
 556     }
 557 }