neutron-ovsdb/src/main/java/org/opendaylight/groupbasedpolicy/neutron/ovsdb/OvsdbNodeListener.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.groupbasedpolicy.neutron.ovsdb;
   9
  10 import javax.annotation.Nonnull;
  11 import java.util.HashMap;
  12 import java.util.HashSet;
  13 import java.util.List;
  14 import java.util.Map;
  15 import java.util.Objects;
  16 import java.util.Set;
  17
  18
  19 import com.google.common.base.Function;
  20 import com.google.common.base.Strings;
  21 import com.google.common.collect.ImmutableList;
  22 import com.google.common.collect.Lists;
  23 import com.google.common.util.concurrent.FutureCallback;
  24 import com.google.common.util.concurrent.Futures;
  25 import com.google.common.util.concurrent.MoreExecutors;
  26
  27 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  28 import org.opendaylight.controller.md.sal.binding.api.DataObjectModification;
  29 import org.opendaylight.controller.md.sal.binding.api.DataTreeIdentifier;
  30 import org.opendaylight.controller.md.sal.binding.api.WriteTransaction;
  31 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  32 import org.opendaylight.groupbasedpolicy.neutron.ovsdb.util.InventoryHelper;
  33 import org.opendaylight.groupbasedpolicy.neutron.ovsdb.util.NeutronOvsdbIidFactory;
  34 import org.opendaylight.groupbasedpolicy.util.DataTreeChangeHandler;
  35 import org.opendaylight.ovsdb.southbound.SouthboundConstants;
  36 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Uri;
  37 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.neutron.ovsdb.params.rev160812.IntegrationBridgeSetting;
  38 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeConnectorId;
  39 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeId;
  40 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.DatapathTypeSystem;
  41 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbBridgeAugmentation;
  42 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbBridgeAugmentationBuilder;
  43 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbBridgeName;
  44 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbBridgeProtocolOpenflow13;
  45 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbBridgeRef;
  46 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbNodeAugmentation;
  47 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbNodeRef;
  48 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbTerminationPointAugmentation;
  49 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.bridge.attributes.ControllerEntry;
  50 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.bridge.attributes.ControllerEntryBuilder;
  51 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.bridge.attributes.ProtocolEntryBuilder;
  52 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.node.attributes.ManagedNodeEntry;
  53 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.node.attributes.ManagerEntry;
  54 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.node.attributes.OpenvswitchOtherConfigs;
  55 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.node.attributes.OpenvswitchOtherConfigsKey;
  56 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NetworkTopology;
  57 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.Topology;
  58 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.TopologyKey;
  59 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
  60 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.NodeBuilder;
  61 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.NodeKey;
  62 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.node.TerminationPoint;
  63 import org.opendaylight.yangtools.yang.binding.DataObject;
  64 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  65 import org.slf4j.Logger;
  66 import org.slf4j.LoggerFactory;
  67
  68 public class OvsdbNodeListener extends DataTreeChangeHandler<Node> {
  69
  70     static final String BRIDGE_SEPARATOR = "/bridge/";
  71     static final String NEUTRON_PROVIDER_MAPPINGS_KEY = "provider_mappings";
  72     private static final Logger LOG = LoggerFactory.getLogger(OvsdbNodeListener.class);
  73     private static final String OF_SEPARATOR = ":";
  74     private static final String OF_INVENTORY_PREFIX = "openflow";
  75     private static IntegrationBridgeSetting intBrSettings;
  76
  77     private final Map<OvsdbBridgeRef, String> providerPortNameByBridgeRef = new HashMap<>();
  78     private final Map<InstanceIdentifier<Node>, NeutronBridgeWithExtPort> bridgeByNodeIid = new HashMap<>();
  79
  80     public OvsdbNodeListener(DataBroker dataProvider, IntegrationBridgeSetting brSettings) {
  81         super(dataProvider);
  82         intBrSettings = brSettings;
  83         this.registerDataTreeChangeListener(new DataTreeIdentifier<>(LogicalDatastoreType.OPERATIONAL,
  84                 InstanceIdentifier.create(NetworkTopology.class)
  85                     .child(Topology.class, new TopologyKey(SouthboundConstants.OVSDB_TOPOLOGY_ID))
  86                     .child(Node.class)));
  87     }
  88
  89     @Override
  90     protected void onWrite(DataObjectModification<Node> rootNode, InstanceIdentifier<Node> rootIdentifier) {
  91         Node node = rootNode.getDataAfter();
  92         OvsdbNodeAugmentation ovsdbNode = node.getAugmentation(OvsdbNodeAugmentation.class);
  93         if (ovsdbNode != null) {
  94             LOG.trace("OVSDB node created: {} \n {}", rootIdentifier, node);
  95             DataObjectModification<OpenvswitchOtherConfigs> ovsOtherConfigModification = getProviderMappingsModification(rootNode);
  96             boolean integrationBridgePresent = false;
  97             if (isProviderPortNameChanged(ovsOtherConfigModification) && ovsdbNode.getManagedNodeEntry() != null) {
  98                 String newProviderPortName = getProviderPortName(ovsOtherConfigModification.getDataAfter());
  99                 LOG.debug("provider_mappings created {} on node {}", newProviderPortName, node.getNodeId().getValue());
 100                 for (ManagedNodeEntry mngdNodeEntry : ovsdbNode.getManagedNodeEntry()) {
 101                     OvsdbBridgeRef bridgeRef = mngdNodeEntry.getBridgeRef();
 102                     providerPortNameByBridgeRef.put(bridgeRef, newProviderPortName);
 103                     LOG.trace("Added Provider port name {} by OVSDB bridge ref {}", newProviderPortName,
 104                             mngdNodeEntry.getBridgeRef());
 105                     NodeKey managedNodeKey = bridgeRef.getValue().firstKeyOf(Node.class);
 106                     if (intBrSettings != null && managedNodeKey.getNodeId().getValue().equals(intBrSettings.getName())) {
 107                         integrationBridgePresent = true;
 108                     }
 109                 }
 110             }
 111             if (intBrSettings != null && !integrationBridgePresent) {
 112                 final Node bridge = createBridge(rootIdentifier,
 113                         managerToControllerEntries(ovsdbNode.getManagerEntry()), intBrSettings.getName());
 114                 InstanceIdentifier<Node> bridgeNodeIid = NeutronOvsdbIidFactory.nodeIid(
 115                         rootIdentifier.firstKeyOf(Topology.class).getTopologyId(), bridge.getNodeId());
 116                 WriteTransaction wTx = dataProvider.newWriteOnlyTransaction();
 117                 wTx.merge(LogicalDatastoreType.CONFIGURATION, bridgeNodeIid, bridge, true);
 118                 Futures.addCallback(wTx.submit(), new FutureCallback<Void>() {
 119
 120                     @Override
 121                     public void onSuccess(Void result) {
 122                         LOG.info("Bridge {} written to datastore." + bridge.getNodeId().getValue());
 123                     }
 124
 125                     @Override
 126                     public void onFailure(Throwable t) {
 127                         LOG.error("Failed to write bridge {}. Message: {}" + bridge.getNodeId().getValue(),
 128                                 t.getMessage());
 129                     }
 130                 }, MoreExecutors.directExecutor());
 131             }
 132         }
 133         OvsdbBridgeAugmentation ovsdbBridge = node.getAugmentation(OvsdbBridgeAugmentation.class);
 134         if (ovsdbBridge != null) {
 135             LOG.trace("OVSDB bridge created: {} \n {}", rootIdentifier, node);
 136             Set<DataObjectModification<OvsdbTerminationPointAugmentation>> ovsdbTpModifications =
 137                     getOvsdbTpModifications(rootNode);
 138             NodeId ofNodeId = buildOfNodeId(ovsdbBridge);
 139             if (!ovsdbTpModifications.isEmpty() && ofNodeId != null) {
 140                 NeutronBridgeWithExtPort bridge = getBridge(rootIdentifier);
 141                 bridge.ofNodeId = ofNodeId;
 142                 LOG.trace("OF node {} representing OVSDB bridge {}", ofNodeId.getValue(), node.getNodeId().getValue());
 143             }
 144             for (DataObjectModification<OvsdbTerminationPointAugmentation> ovsdbTpModification : ovsdbTpModifications) {
 145                 OvsdbTerminationPointAugmentation newOvsdbTp = ovsdbTpModification.getDataAfter();
 146                 if (ovsdbBridge.getBridgeName().getValue().equals(newOvsdbTp.getName())) {
 147                     LOG.trace("Termination Point {} same as Bridge {}. Not processing", newOvsdbTp.getName(),
 148                             ovsdbBridge.getBridgeName().getValue());
 149                     continue;
 150                 }
 151                 String portName = newOvsdbTp.getName();
 152                 Long ofport = newOvsdbTp.getOfport();
 153                 if (isOfportOrNameChanged(ovsdbTpModification) && portName != null && ofport != null) {
 154                     NeutronBridgeWithExtPort bridge = getBridge(rootIdentifier);
 155                     bridge.ofportByName.put(ofport, portName);
 156                     LOG.trace("OVSDB termination point with ofport {} and port-name {} created.", ofport, portName);
 157                     // port name is same as provider port name so the termination point represents
 158                     // external port
 159                     if (portName.equals(providerPortNameByBridgeRef.get(new OvsdbBridgeRef(rootIdentifier)))) {
 160                         NodeConnectorId ofNcId = buildOfNodeConnectorId(newOvsdbTp, ofNodeId);
 161                         bridge.externalIfaces.add(ofNcId);
 162                         InventoryHelper.addOfOverlayExternalPort(bridge.ofNodeId, ofNcId, dataProvider);
 163                         LOG.debug("Added of-overlay external-interface {} to node {}", ofNcId.getValue(),
 164                                 bridge.ofNodeId);
 165                         traceBridge(rootIdentifier);
 166                     }
 167                 }
 168             }
 169         }
 170     }
 171
 172     @Override
 173     protected void onDelete(DataObjectModification<Node> rootNode, InstanceIdentifier<Node> rootIdentifier) {
 174         LOG.trace("Not implemented - OVSDB element deleted: {} \n {}", rootIdentifier, rootNode.getDataBefore());
 175     }
 176
 177     @Override
 178     protected void onSubtreeModified(DataObjectModification<Node> rootNode, InstanceIdentifier<Node> rootIdentifier) {
 179         Node node = rootNode.getDataAfter();
 180         OvsdbBridgeAugmentation ovsdbBridge = node.getAugmentation(OvsdbBridgeAugmentation.class);
 181         if (ovsdbBridge != null) {
 182             LOG.trace("OVSDB bridge updated: {} \n before {} \n after {}", rootIdentifier, rootNode.getDataBefore(),
 183                     rootNode.getDataAfter());
 184             Set<DataObjectModification<OvsdbTerminationPointAugmentation>> ovsdbTpModifications =
 185                     getOvsdbTpModifications(rootNode);
 186             NodeId ofNodeId = buildOfNodeId(ovsdbBridge);
 187             if (!ovsdbTpModifications.isEmpty() && ofNodeId != null) {
 188                 NeutronBridgeWithExtPort bridge = getBridge(rootIdentifier);
 189                 if (bridge.ofNodeId != null && !bridge.ofNodeId.equals(ofNodeId)) {
 190                     LOG.debug("OVSDB bridge {} has changed datapath-id. \n  Old: {} \n  New: {}",
 191                             node.getNodeId().getValue(), bridge.ofNodeId.getValue(), ofNodeId.getValue());
 192                     bridge.ofNodeId = ofNodeId;
 193                 }
 194             }
 195             for (DataObjectModification<OvsdbTerminationPointAugmentation> ovsdbTpModification : ovsdbTpModifications) {
 196                 OvsdbTerminationPointAugmentation newOvsdbTp = ovsdbTpModification.getDataAfter();
 197
 198                 if (newOvsdbTp == null) {
 199                     LOG.trace("Termination Point is null. Not processing");
 200                     continue;
 201                 }
 202
 203                 if (ovsdbBridge.getBridgeName().getValue().equals(newOvsdbTp.getName())) {
 204                     LOG.trace("Termination Point {} same as Bridge {}. Not processing", newOvsdbTp.getName(),
 205                             ovsdbBridge.getBridgeName().getValue());
 206                     continue;
 207                 }
 208                 String portName = newOvsdbTp.getName();
 209                 Long ofport = newOvsdbTp.getOfport();
 210                 if (isOfportOrNameChanged(ovsdbTpModification) && portName != null && ofport != null) {
 211                     NeutronBridgeWithExtPort bridge = getBridge(rootIdentifier);
 212                     bridge.ofportByName.put(ofport, portName);
 213                     LOG.trace("OVSDB termination point with ofport {} and port-name {} created.", ofport, portName);
 214                     // port name is same as provider port name so the termination point represents
 215                     // external port
 216                     if (portName.equals(providerPortNameByBridgeRef.get(new OvsdbBridgeRef(rootIdentifier)))) {
 217                         NodeConnectorId ofNcId = buildOfNodeConnectorId(newOvsdbTp, ofNodeId);
 218                         bridge.externalIfaces.add(ofNcId);
 219                         InventoryHelper.addOfOverlayExternalPort(bridge.ofNodeId, ofNcId, dataProvider);
 220                         LOG.debug("Added of-overlay external-interface {} to node {}", ofNcId.getValue(),
 221                                 bridge.ofNodeId);
 222                         traceBridge(rootIdentifier);
 223                     }
 224                 }
 225             }
 226         }
 227     }
 228
 229     private NeutronBridgeWithExtPort getBridge(InstanceIdentifier<Node> nodeIid) {
 230         NeutronBridgeWithExtPort bridge = bridgeByNodeIid.get(nodeIid);
 231         if (bridge == null) {
 232             bridge = new NeutronBridgeWithExtPort();
 233             bridgeByNodeIid.put(nodeIid, bridge);
 234         }
 235         return bridge;
 236     }
 237
 238     @SuppressWarnings("unchecked")
 239     private static Set<DataObjectModification<OvsdbTerminationPointAugmentation>> getOvsdbTpModifications(
 240             DataObjectModification<Node> rootNode) {
 241         Set<DataObjectModification<OvsdbTerminationPointAugmentation>> modifications = new HashSet<>();
 242         for (DataObjectModification<? extends DataObject> modifiedChild : rootNode.getModifiedChildren()) {
 243             if (TerminationPoint.class.isAssignableFrom(modifiedChild.getDataType())) {
 244                 DataObjectModification<OvsdbTerminationPointAugmentation> modifiedAugmentation =
 245                         ((DataObjectModification<TerminationPoint>) modifiedChild)
 246                             .getModifiedAugmentation(OvsdbTerminationPointAugmentation.class);
 247                 if (modifiedAugmentation != null) {
 248                     modifications.add(modifiedAugmentation);
 249                 }
 250             }
 251         }
 252         return modifications;
 253     }
 254
 255     private static boolean isOfportOrNameChanged(
 256             DataObjectModification<OvsdbTerminationPointAugmentation> ovsdbTpModification) {
 257         if (ovsdbTpModification == null) {
 258             return false;
 259         }
 260         OvsdbTerminationPointAugmentation oldTp = ovsdbTpModification.getDataBefore();
 261         OvsdbTerminationPointAugmentation newTp = ovsdbTpModification.getDataAfter();
 262         if (oldTp != null && newTp != null) {
 263             if (oldTp.getOfport() != null && newTp.getOfport() != null && !Objects.equals(oldTp.getOfport(),
 264                 newTp.getOfport())) {
 265                 return true;
 266             }
 267             if (!(Strings.nullToEmpty(oldTp.getName())).equals(Strings.nullToEmpty(newTp.getName()))) {
 268                 return true;
 269             }
 270         }
 271         if (isOfportOrNameNotNull(oldTp)) {
 272             return true;
 273         }
 274         if (isOfportOrNameNotNull(newTp)) {
 275             return true;
 276         }
 277         return false;
 278     }
 279
 280     private static boolean isOfportOrNameNotNull(OvsdbTerminationPointAugmentation tp) {
 281         if (tp != null) {
 282             if (tp.getOfport() != null) {
 283                 return true;
 284             }
 285             if (tp.getName() != null) {
 286                 return true;
 287             }
 288         }
 289         return false;
 290     }
 291
 292     private static DataObjectModification<OpenvswitchOtherConfigs> getProviderMappingsModification(
 293             DataObjectModification<Node> rootNode) {
 294         DataObjectModification<OvsdbNodeAugmentation> modifiedOvsdbNode =
 295                 rootNode.getModifiedAugmentation(OvsdbNodeAugmentation.class);
 296         if (modifiedOvsdbNode == null) {
 297             return null;
 298         }
 299         return modifiedOvsdbNode.getModifiedChildListItem(OpenvswitchOtherConfigs.class,
 300                 new OpenvswitchOtherConfigsKey(NEUTRON_PROVIDER_MAPPINGS_KEY));
 301     }
 302
 303     private static boolean isProviderPortNameChanged(DataObjectModification<OpenvswitchOtherConfigs> ovsConfig) {
 304         if (ovsConfig == null) {
 305             return false;
 306         }
 307         OpenvswitchOtherConfigs oldConfig = ovsConfig.getDataBefore();
 308         OpenvswitchOtherConfigs newConfig = ovsConfig.getDataAfter();
 309         if (oldConfig != null && newConfig != null) {
 310             if (!(Strings.nullToEmpty(oldConfig.getOtherConfigValue())
 311                 .equals(Strings.nullToEmpty(newConfig.getOtherConfigValue())))) {
 312                 return true;
 313             }
 314         } else if (oldConfig != null && !Strings.isNullOrEmpty(oldConfig.getOtherConfigValue())) {
 315             return true;
 316         } else if (newConfig != null && !Strings.isNullOrEmpty(newConfig.getOtherConfigValue())) {
 317             return true;
 318         }
 319         return false;
 320     }
 321
 322     private static @Nonnull String getProviderPortName(OpenvswitchOtherConfigs config) {
 323         if (NEUTRON_PROVIDER_MAPPINGS_KEY.equals(config.getOtherConfigKey()) && config.getOtherConfigValue() != null) {
 324             String otherConfig = config.getOtherConfigValue();
 325             String[] elements = otherConfig.split(":");
 326             if (elements.length == 2) {
 327                 return elements[1];
 328             }
 329         }
 330         return "";
 331     }
 332
 333     /**
 334      * Extracts IP address from URI
 335      *
 336      * @param uri in format protocol:ip:port
 337      * @return IPv4 or IPv6 address as {@link String}.
 338      */
 339     private static @Nonnull String getIpAddrFromUri(Uri uri) {
 340         String otherConfig = uri.getValue();
 341         String[] elements = otherConfig.split(":");
 342         // IPv6 expression also contains colons
 343         if (elements.length < 3) {
 344             return "";
 345         }
 346         StringBuilder sb = new StringBuilder();
 347         // first (protocol) and last (port) elements are filtered
 348         for (int i = 1; i < elements.length - 1; i++) {
 349             sb.append(elements[i]);
 350         }
 351         return sb.toString();
 352     }
 353
 354     private List<ControllerEntry> managerToControllerEntries(List<ManagerEntry> managerEntries) {
 355         return Lists.transform(managerEntries, new Function<ManagerEntry, ControllerEntry>() {
 356
 357             @Override
 358             public ControllerEntry apply(ManagerEntry managerEntry) {
 359                 String ipAddr = getIpAddrFromUri(managerEntry.getTarget());
 360                 Uri uri = new Uri(intBrSettings.getOpenflowProtocol() + OF_SEPARATOR + ipAddr + OF_SEPARATOR
 361                         + intBrSettings.getOpenflowPort());
 362                 return new ControllerEntryBuilder().setTarget(new Uri(uri)).build();
 363             }
 364         });
 365     }
 366
 367     private Node createBridge(InstanceIdentifier<Node> managedByIid, List<ControllerEntry> controllerEntries,
 368             String bridgeName) {
 369         OvsdbBridgeAugmentation br = new OvsdbBridgeAugmentationBuilder()
 370             .setBridgeName(new OvsdbBridgeName(bridgeName))
 371             .setManagedBy(new OvsdbNodeRef(managedByIid))
 372             .setControllerEntry(controllerEntries)
 373             .setDatapathType(DatapathTypeSystem.class)
 374             .setProtocolEntry(
 375                     ImmutableList.of(new ProtocolEntryBuilder().setProtocol(
 376                             OvsdbBridgeProtocolOpenflow13.class).build()))
 377             .build();
 378         NodeKey managerNodeKey = managedByIid.firstKeyOf(Node.class);
 379         return new NodeBuilder().setNodeId(
 380                 new org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NodeId(
 381                         managerNodeKey.getNodeId().getValue() + BRIDGE_SEPARATOR + bridgeName))
 382             .addAugmentation(OvsdbBridgeAugmentation.class, br)
 383             .build();
 384     }
 385
 386     private static NodeId buildOfNodeId(OvsdbBridgeAugmentation ovsdbBridge) {
 387         if (ovsdbBridge.getDatapathId() == null) {
 388             return null;
 389         }
 390         Long macLong = InventoryHelper.getLongFromDpid(ovsdbBridge.getDatapathId().getValue());
 391         return new NodeId(OF_INVENTORY_PREFIX + OF_SEPARATOR + String.valueOf(macLong));
 392     }
 393
 394     private static NodeConnectorId buildOfNodeConnectorId(OvsdbTerminationPointAugmentation terminationPoint,
 395             NodeId nodeId) {
 396         if (terminationPoint.getOfport() == null) {
 397             return null;
 398         }
 399         return new NodeConnectorId(nodeId.getValue() + OF_SEPARATOR + String.valueOf(terminationPoint.getOfport()));
 400     }
 401
 402     private void traceBridge(InstanceIdentifier<Node> identifier) {
 403         if (LOG.isTraceEnabled()) {
 404             NeutronBridgeWithExtPort bridge = bridgeByNodeIid.get(identifier);
 405             if (bridge == null) {
 406                 LOG.trace("Bridge does not exist: {}", identifier);
 407                 return;
 408             }
 409             String providerPortName = providerPortNameByBridgeRef.get(new OvsdbBridgeRef(identifier));
 410             LOG.trace("State of bridge:\n  ID: {} \n  providerPortName: {} \n  {}", identifier, providerPortName,
 411                     bridge);
 412         }
 413     }
 414
 415     private class NeutronBridgeWithExtPort {
 416
 417         NodeId ofNodeId;
 418         Set<NodeConnectorId> externalIfaces = new HashSet<>();
 419         Map<Long, String> ofportByName = new HashMap<>();
 420
 421         @Override
 422         public String toString() {
 423             return "NeutronBridgeWithExtPort:\n  ofNodeId=" + ofNodeId + "\n  externalIfaces=" + externalIfaces
 424                     + ",\n  ofportByName=" + ofportByName;
 425         }
 426     }
 427
 428 }