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.TypedDatabaseSchema;
  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.ControllerEntryKey;
  54 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.bridge.attributes.ProtocolEntry;
  55 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.bridge.attributes.ProtocolEntryBuilder;
  56 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.bridge.attributes.ProtocolEntryKey;
  57 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.node.attributes.ConnectionInfo;
  58 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.node.attributes.ConnectionInfoBuilder;
  59 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.node.attributes.ManagerEntry;
  60 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.node.attributes.ManagerEntryBuilder;
  61 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.node.attributes.ManagerEntryKey;
  62 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NetworkTopology;
  63 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NodeId;
  64 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.Topology;
  65 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.TopologyKey;
  66 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
  67 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.NodeKey;
  68 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.node.TerminationPoint;
  69 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.node.TerminationPointKey;
  70 import org.opendaylight.yangtools.yang.binding.DataObject;
  71 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  72 import org.slf4j.Logger;
  73 import org.slf4j.LoggerFactory;
  74
  75 public final class SouthboundMapper {
  76     private static final Logger LOG = LoggerFactory.getLogger(SouthboundMapper.class);
  77     private static final String N_CONNECTIONS_STR = "n_connections";
  78
  79     private SouthboundMapper() {
  80
  81     }
  82
  83     public static IpAddress createIpAddress(final InetAddress address) {
  84         IpAddress ip = null;
  85         if (address instanceof Inet4Address) {
  86             ip = createIpAddress((Inet4Address)address);
  87         } else if (address instanceof Inet6Address) {
  88             ip = createIpAddress((Inet6Address)address);
  89         }
  90         return ip;
  91     }
  92
  93     public static IpAddress createIpAddress(final Inet4Address address) {
  94         return IetfInetUtil.INSTANCE.ipAddressFor(address);
  95     }
  96
  97     public static IpAddress createIpAddress(final Inet6Address address) {
  98         Ipv6Address ipv6 = new Ipv6Address(address.getHostAddress());
  99         return new IpAddress(ipv6);
 100     }
 101
 102     public static InstanceIdentifier<Topology> createTopologyInstanceIdentifier() {
 103         return InstanceIdentifier
 104                 .create(NetworkTopology.class)
 105                 .child(Topology.class, new TopologyKey(SouthboundConstants.OVSDB_TOPOLOGY_ID));
 106     }
 107
 108     public static InstanceIdentifier<Node> createInstanceIdentifier(final NodeId nodeId) {
 109         return createTopologyInstanceIdentifier()
 110                 .child(Node.class,new NodeKey(nodeId));
 111     }
 112
 113     @SuppressWarnings("unchecked")
 114     public static InstanceIdentifier<Node> createInstanceIdentifier(
 115             final InstanceIdentifierCodec instanceIdentifierCodec, final OvsdbConnectionInstance client,
 116             final Bridge bridge) {
 117         InstanceIdentifier<Node> iid;
 118         if (bridge.getExternalIdsColumn() != null
 119                 && bridge.getExternalIdsColumn().getData() != null
 120                 && bridge.getExternalIdsColumn().getData().containsKey(SouthboundConstants.IID_EXTERNAL_ID_KEY)) {
 121             String iidString = bridge.getExternalIdsColumn().getData().get(SouthboundConstants.IID_EXTERNAL_ID_KEY);
 122             iid = (InstanceIdentifier<Node>) instanceIdentifierCodec.bindingDeserializerOrNull(iidString);
 123         } else {
 124             iid = createInstanceIdentifier(client, bridge.getName());
 125         }
 126         return iid;
 127     }
 128
 129     @SuppressWarnings("unchecked")
 130     public static InstanceIdentifier<Node> createInstanceIdentifier(
 131             final InstanceIdentifierCodec instanceIdentifierCodec, final OvsdbConnectionInstance client,
 132             final Controller controller, final String bridgeName) {
 133         InstanceIdentifier<Node> iid;
 134         if (controller.getExternalIdsColumn() != null
 135                 && controller.getExternalIdsColumn().getData() != null
 136                 && controller.getExternalIdsColumn().getData().containsKey(SouthboundConstants.IID_EXTERNAL_ID_KEY)) {
 137             String iidString = controller.getExternalIdsColumn().getData().get(SouthboundConstants.IID_EXTERNAL_ID_KEY);
 138             iid = (InstanceIdentifier<Node>) instanceIdentifierCodec.bindingDeserializerOrNull(iidString);
 139         } else {
 140             iid = createInstanceIdentifier(client, bridgeName);
 141         }
 142         return iid;
 143     }
 144
 145     public static InstanceIdentifier<Node> createInstanceIdentifier(
 146             final OvsdbConnectionInstance client, final String bridgeName) {
 147         String nodeString = client.getNodeKey().getNodeId().getValue()
 148                 + "/bridge/" + bridgeName;
 149         NodeId nodeId = new NodeId(new Uri(nodeString));
 150         return createInstanceIdentifier(nodeId);
 151
 152     }
 153
 154     public static NodeId createManagedNodeId(final InstanceIdentifier<Node> iid) {
 155         NodeKey nodeKey = iid.firstKeyOf(Node.class);
 156         return nodeKey.getNodeId();
 157     }
 158
 159     public static InetAddress createInetAddress(final IpAddress ip) throws UnknownHostException {
 160         if (ip.getIpv4Address() != null) {
 161             return InetAddresses.forString(ip.getIpv4Address().getValue());
 162         } else if (ip.getIpv6Address() != null) {
 163             return InetAddress.getByName(ip.getIpv6Address().getValue());
 164         } else {
 165             throw new UnknownHostException("IP Address has no value");
 166         }
 167     }
 168
 169     public static DatapathId createDatapathId(final Bridge bridge) {
 170         Preconditions.checkNotNull(bridge);
 171         if (bridge.getDatapathIdColumn() == null) {
 172             return null;
 173         } else {
 174             return createDatapathId(bridge.getDatapathIdColumn().getData());
 175         }
 176     }
 177
 178     public static DatapathId createDatapathId(final Set<String> dpids) {
 179         Preconditions.checkNotNull(dpids);
 180         if (dpids.isEmpty()) {
 181             return null;
 182         } else {
 183             String[] dpidArray = new String[dpids.size()];
 184             dpids.toArray(dpidArray);
 185             return createDatapathId(dpidArray[0]);
 186         }
 187     }
 188
 189     public static DatapathId createDatapathId(final String dpid) {
 190         Preconditions.checkNotNull(dpid);
 191         DatapathId datapath;
 192         if (dpid.matches("^[0-9a-fA-F]{16}")) {
 193             Splitter splitter = Splitter.fixedLength(2);
 194             Joiner joiner = Joiner.on(":");
 195             datapath = new DatapathId(joiner.join(splitter.split(dpid)));
 196         } else {
 197             datapath = new DatapathId(dpid);
 198         }
 199         return datapath;
 200     }
 201
 202     public static String createDatapathType(final OvsdbBridgeAugmentation mdsalbridge) {
 203         String datapathtype = SouthboundConstants.DATAPATH_TYPE_MAP.get(DatapathTypeSystem.class);
 204
 205         if (mdsalbridge.getDatapathType() != null && !mdsalbridge.getDatapathType().equals(DatapathTypeBase.class)) {
 206             datapathtype = SouthboundConstants.DATAPATH_TYPE_MAP.get(mdsalbridge.getDatapathType());
 207             if (datapathtype == null) {
 208                 throw new IllegalArgumentException("Unknown datapath type " + mdsalbridge.getDatapathType().getName());
 209             }
 210         }
 211         return datapathtype;
 212     }
 213
 214     public static Class<? extends DatapathTypeBase> createDatapathType(final String type) {
 215         if (type.isEmpty()) {
 216             return DatapathTypeSystem.class;
 217         }
 218         return SouthboundConstants.DATAPATH_TYPE_MAP.inverse().get(type);
 219     }
 220
 221     public static Set<String> createOvsdbBridgeProtocols(final OvsdbBridgeAugmentation ovsdbBridgeNode) {
 222         Set<String> protocols = new HashSet<>();
 223         Map<ProtocolEntryKey, ProtocolEntry> entries = ovsdbBridgeNode.getProtocolEntry();
 224         if (entries != null) {
 225             for (ProtocolEntry protocol : entries.values()) {
 226                 Class<? extends OvsdbBridgeProtocolBase> lookup = protocol.getProtocol();
 227                 final String toAdd = SouthboundConstants.OVSDB_PROTOCOL_MAP.get(protocol.getProtocol());
 228                 Preconditions.checkArgument(toAdd != null, "Unknown protocol %s", lookup);
 229                 protocols.add(toAdd);
 230             }
 231         }
 232         return protocols;
 233     }
 234
 235     public static  Class<? extends InterfaceTypeBase> createInterfaceType(final String type) {
 236         Preconditions.checkNotNull(type);
 237         return SouthboundConstants.OVSDB_INTERFACE_TYPE_MAP.get(type);
 238     }
 239
 240     public static String createOvsdbInterfaceType(final Class<? extends InterfaceTypeBase> mdsaltype) {
 241         Preconditions.checkNotNull(mdsaltype);
 242         ImmutableBiMap<Class<? extends InterfaceTypeBase>, String> mapper =
 243                 SouthboundConstants.OVSDB_INTERFACE_TYPE_MAP.inverse();
 244         return mapper.get(mdsaltype);
 245     }
 246
 247     public static List<ProtocolEntry> createMdsalProtocols(final Bridge bridge) {
 248         Set<String> protocols = null;
 249         try {
 250             protocols = bridge.getProtocolsColumn().getData();
 251         } catch (SchemaVersionMismatchException e) {
 252             schemaMismatchLog("protocols", "Bridge", e);
 253         }
 254         List<ProtocolEntry> protocolList = new ArrayList<>();
 255         if (protocols != null && !protocols.isEmpty()) {
 256             ImmutableBiMap<String, Class<? extends OvsdbBridgeProtocolBase>> mapper =
 257                     SouthboundConstants.OVSDB_PROTOCOL_MAP.inverse();
 258             for (String protocol : protocols) {
 259                 if (protocol != null) {
 260                     final Class<? extends OvsdbBridgeProtocolBase> mapped = mapper.get(protocol);
 261                     if (mapped != null) {
 262                         protocolList.add(new ProtocolEntryBuilder().setProtocol(mapped).build());
 263                     }
 264                 }
 265             }
 266         }
 267         return protocolList;
 268     }
 269
 270     /**
 271      * Create the {@link ControllerEntry} list given an OVSDB {@link Bridge}
 272      * and {@link Controller} rows.
 273      *
 274      * @param bridge the {@link Bridge} to update
 275      * @param updatedControllerRows the list of {@link Controller} controllers with updates
 276      * @return list of {@link ControllerEntry} entries
 277      */
 278     public static List<ControllerEntry> createControllerEntries(final Bridge bridge,
 279                                                                 final Map<UUID, Controller> updatedControllerRows) {
 280
 281         LOG.debug("createControllerEntries Bridge: {}\n, updatedControllerRows: {}",
 282                 bridge, updatedControllerRows);
 283         final Set<UUID> controllerUuids = bridge.getControllerColumn().getData();
 284         final List<ControllerEntry> controllerEntries = new ArrayList<>();
 285         for (UUID controllerUuid : controllerUuids) {
 286             final Controller controller = updatedControllerRows.get(controllerUuid);
 287             addControllerEntries(controllerEntries, controller);
 288         }
 289         LOG.debug("controllerEntries: {}", controllerEntries);
 290         return controllerEntries;
 291     }
 292
 293     /**
 294      * Create the {@link ControllerEntry} list given an MDSAL {@link Node} bridge
 295      * and {@link Controller} rows.
 296      *
 297      * @param bridgeNode the {@link Node} to update
 298      * @param updatedControllerRows the list of {@link Controller} controllers with updates
 299      * @return list of {@link ControllerEntry} entries
 300      */
 301     public static List<ControllerEntry> createControllerEntries(final Node bridgeNode,
 302                                                                 final Map<UUID, Controller> updatedControllerRows) {
 303
 304         LOG.debug("createControllerEntries Bridge 2: {}\n, updatedControllerRows: {}",
 305                 bridgeNode, updatedControllerRows);
 306         final List<ControllerEntry> controllerEntriesCreated = new ArrayList<>();
 307         final OvsdbBridgeAugmentation ovsdbBridgeAugmentation =
 308                 bridgeNode.augmentation(OvsdbBridgeAugmentation.class);
 309         if (ovsdbBridgeAugmentation == null) {
 310             return controllerEntriesCreated;
 311         }
 312
 313         final Map<ControllerEntryKey, ControllerEntry> controllerEntries = ovsdbBridgeAugmentation.getControllerEntry();
 314         if (controllerEntries != null) {
 315             for (ControllerEntry controllerEntry : controllerEntries.values()) {
 316                 final Controller controller = updatedControllerRows.get(
 317                         new UUID(controllerEntry.getControllerUuid().getValue()));
 318                 addControllerEntries(controllerEntriesCreated, controller);
 319             }
 320         }
 321         LOG.debug("controllerEntries: {}", controllerEntriesCreated);
 322         return controllerEntriesCreated;
 323     }
 324
 325     /**
 326      * Add the OVSDB {@link Controller} updates to the MDSAL {@link ControllerEntry} list.
 327      *
 328      * @param controllerEntries the list of {@link ControllerEntry} to update
 329      * @param controller the updated OVSDB {@link Controller}
 330      */
 331     public static void addControllerEntries(final List<ControllerEntry> controllerEntries,
 332                                             final Controller controller) {
 333
 334         if (controller != null && controller.getTargetColumn() != null) {
 335             final String targetString = controller.getTargetColumn().getData();
 336             final org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.Uuid uuid =
 337                     new org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang
 338                             .ietf.yang.types.rev130715.Uuid(controller.getUuid().toString());
 339             ControllerEntryBuilder builder = new ControllerEntryBuilder();
 340
 341             if (controller.getMaxBackoffColumn() != null && controller.getMaxBackoffColumn().getData() != null
 342                     && !controller.getMaxBackoffColumn().getData().isEmpty()) {
 343                 builder.setMaxBackoff(controller.getMaxBackoffColumn().getData().iterator().next());
 344             }
 345             if (controller.getInactivityProbeColumn() != null && controller.getInactivityProbeColumn().getData() != null
 346                     && !controller.getInactivityProbeColumn().getData().isEmpty()) {
 347                 builder.setInactivityProbe(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(client.getConnectionInfo().getRemotePort()));
 380         connectionInfoBuilder.setLocalIp(createIpAddress(client.getConnectionInfo().getLocalAddress()));
 381         connectionInfoBuilder.setLocalPort(new PortNumber(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             long numberOfConnections = 0;
 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 = Integer.parseInt(numberOfConnectionValueStr);
 464             } else {
 465                 final boolean isConnected = manager.getIsConnectedColumn().getData();
 466                 if (isConnected) {
 467                     numberOfConnections = 1;
 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         Preconditions.checkNotNull(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 }