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 import com.google.common.base.Function;
  19 import com.google.common.base.Strings;
  20 import com.google.common.collect.ImmutableList;
  21 import com.google.common.collect.Lists;
  22 import com.google.common.util.concurrent.FutureCallback;
  23 import com.google.common.util.concurrent.Futures;
  24 import org.opendaylight.controller.config.yang.config.neutron_ovsdb.impl.IntegrationBridgeSetting;
  25 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  26 import org.opendaylight.controller.md.sal.binding.api.DataObjectModification;
  27 import org.opendaylight.controller.md.sal.binding.api.DataTreeIdentifier;
  28 import org.opendaylight.controller.md.sal.binding.api.WriteTransaction;
  29 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  30 import org.opendaylight.groupbasedpolicy.neutron.ovsdb.util.InventoryHelper;
  31 import org.opendaylight.groupbasedpolicy.neutron.ovsdb.util.NeutronOvsdbIidFactory;
  32 import org.opendaylight.groupbasedpolicy.util.DataTreeChangeHandler;
  33 import org.opendaylight.ovsdb.southbound.SouthboundConstants;
  34 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Uri;
  35 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeConnectorId;
  36 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeId;
  37 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.DatapathTypeSystem;
  38 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbBridgeAugmentation;
  39 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbBridgeAugmentationBuilder;
  40 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbBridgeName;
  41 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbBridgeProtocolOpenflow13;
  42 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbBridgeRef;
  43 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbNodeAugmentation;
  44 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbNodeRef;
  45 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbTerminationPointAugmentation;
  46 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.bridge.attributes.ControllerEntry;
  47 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.bridge.attributes.ControllerEntryBuilder;
  48 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.bridge.attributes.ProtocolEntryBuilder;
  49 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.node.attributes.ManagedNodeEntry;
  50 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.node.attributes.ManagerEntry;
  51 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.node.attributes.OpenvswitchOtherConfigs;
  52 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.node.attributes.OpenvswitchOtherConfigsKey;
  53 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NetworkTopology;
  54 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.Topology;
  55 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.TopologyKey;
  56 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
  57 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.NodeBuilder;
  58 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.NodeKey;
  59 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.node.TerminationPoint;
  60 import org.opendaylight.yangtools.yang.binding.DataObject;
  61 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  62 import org.slf4j.Logger;
  63 import org.slf4j.LoggerFactory;
  64
  65 public class OvsdbNodeListener extends DataTreeChangeHandler<Node> {
  66
  67     static final String BRIDGE_SEPARATOR = "/bridge/";
  68     static final String NEUTRON_PROVIDER_MAPPINGS_KEY = "provider_mappings";
  69     private static final Logger LOG = LoggerFactory.getLogger(OvsdbNodeListener.class);
  70     private static final String OF_SEPARATOR = ":";
  71     private static final String OF_INVENTORY_PREFIX = "openflow";
  72     private static IntegrationBridgeSetting intBrSettings;
  73
  74     private final Map<OvsdbBridgeRef, String> providerPortNameByBridgeRef = new HashMap<>();
  75     private final Map<InstanceIdentifier<Node>, NeutronBridgeWithExtPort> bridgeByNodeIid = new HashMap<>();
  76
  77     public OvsdbNodeListener(DataBroker dataProvider, IntegrationBridgeSetting brSettings) {
  78         super(dataProvider);
  79         intBrSettings = brSettings;
  80         this.registerDataTreeChangeListener(new DataTreeIdentifier<>(LogicalDatastoreType.OPERATIONAL,
  81                 InstanceIdentifier.create(NetworkTopology.class)
  82                     .child(Topology.class, new TopologyKey(SouthboundConstants.OVSDB_TOPOLOGY_ID))
  83                     .child(Node.class)));
  84     }
  85
  86     @Override
  87     protected void onWrite(DataObjectModification<Node> rootNode, InstanceIdentifier<Node> rootIdentifier) {
  88         Node node = rootNode.getDataAfter();
  89         OvsdbNodeAugmentation ovsdbNode = node.getAugmentation(OvsdbNodeAugmentation.class);
  90         if (ovsdbNode != null) {
  91             LOG.trace("OVSDB node created: {} \n {}", rootIdentifier, node);
  92             DataObjectModification<OpenvswitchOtherConfigs> ovsOtherConfigModification = getProviderMappingsModification(rootNode);
  93             boolean integrationBridgePresent = false;
  94             if (isProviderPortNameChanged(ovsOtherConfigModification) && ovsdbNode.getManagedNodeEntry() != null) {
  95                 String newProviderPortName = getProviderPortName(ovsOtherConfigModification.getDataAfter());
  96                 LOG.debug("provider_mappings created {} on node {}", newProviderPortName, node.getNodeId().getValue());
  97                 for (ManagedNodeEntry mngdNodeEntry : ovsdbNode.getManagedNodeEntry()) {
  98                     OvsdbBridgeRef bridgeRef = mngdNodeEntry.getBridgeRef();
  99                     providerPortNameByBridgeRef.put(bridgeRef, newProviderPortName);
 100                     LOG.trace("Added Provider port name {} by OVSDB bridge ref {}", newProviderPortName,
 101                             mngdNodeEntry.getBridgeRef());
 102                     NodeKey managedNodeKey = bridgeRef.getValue().firstKeyOf(Node.class);
 103                     if (intBrSettings != null && managedNodeKey.getNodeId().getValue().equals(intBrSettings.getName())) {
 104                         integrationBridgePresent = true;
 105                     }
 106                 }
 107             }
 108             if (intBrSettings != null && !integrationBridgePresent) {
 109                 final Node bridge = createBridge(rootIdentifier,
 110                         managerToControllerEntries(ovsdbNode.getManagerEntry()), intBrSettings.getName());
 111                 InstanceIdentifier<Node> bridgeNodeIid = NeutronOvsdbIidFactory.nodeIid(
 112                         rootIdentifier.firstKeyOf(Topology.class).getTopologyId(), bridge.getNodeId());
 113                 WriteTransaction wTx = dataProvider.newWriteOnlyTransaction();
 114                 wTx.merge(LogicalDatastoreType.CONFIGURATION, bridgeNodeIid, bridge, true);
 115                 Futures.addCallback(wTx.submit(), new FutureCallback<Void>() {
 116
 117                     @Override
 118                     public void onSuccess(Void result) {
 119                         LOG.info("Bridge {} written to datastore." + bridge.getNodeId().getValue());
 120                     }
 121
 122                     @Override
 123                     public void onFailure(Throwable t) {
 124                         LOG.error("Failed to write bridge {}. Message: {}" + bridge.getNodeId().getValue(),
 125                                 t.getMessage());
 126                     }
 127                 });
 128             }
 129         }
 130         OvsdbBridgeAugmentation ovsdbBridge = node.getAugmentation(OvsdbBridgeAugmentation.class);
 131         if (ovsdbBridge != null) {
 132             LOG.trace("OVSDB bridge created: {} \n {}", rootIdentifier, node);
 133             Set<DataObjectModification<OvsdbTerminationPointAugmentation>> ovsdbTpModifications =
 134                     getOvsdbTpModifications(rootNode);
 135             NodeId ofNodeId = buildOfNodeId(ovsdbBridge);
 136             if (!ovsdbTpModifications.isEmpty() && ofNodeId != null) {
 137                 NeutronBridgeWithExtPort bridge = getBridge(rootIdentifier);
 138                 bridge.ofNodeId = ofNodeId;
 139                 LOG.trace("OF node {} representing OVSDB bridge {}", ofNodeId.getValue(), node.getNodeId().getValue());
 140             }
 141             for (DataObjectModification<OvsdbTerminationPointAugmentation> ovsdbTpModification : ovsdbTpModifications) {
 142                 OvsdbTerminationPointAugmentation newOvsdbTp = ovsdbTpModification.getDataAfter();
 143                 if (ovsdbBridge.getBridgeName().getValue().equals(newOvsdbTp.getName())) {
 144                     LOG.trace("Termination Point {} same as Bridge {}. Not processing", newOvsdbTp.getName(),
 145                             ovsdbBridge.getBridgeName().getValue());
 146                     continue;
 147                 }
 148                 String portName = newOvsdbTp.getName();
 149                 Long ofport = newOvsdbTp.getOfport();
 150                 if (isOfportOrNameChanged(ovsdbTpModification) && portName != null && ofport != null) {
 151                     NeutronBridgeWithExtPort bridge = getBridge(rootIdentifier);
 152                     bridge.ofportByName.put(ofport, portName);
 153                     LOG.trace("OVSDB termination point with ofport {} and port-name {} created.", ofport, portName);
 154                     // port name is same as provider port name so the termination point represents
 155                     // external port
 156                     if (portName.equals(providerPortNameByBridgeRef.get(new OvsdbBridgeRef(rootIdentifier)))) {
 157                         NodeConnectorId ofNcId = buildOfNodeConnectorId(newOvsdbTp, ofNodeId);
 158                         bridge.externalIfaces.add(ofNcId);
 159                         InventoryHelper.addOfOverlayExternalPort(bridge.ofNodeId, ofNcId, dataProvider);
 160                         LOG.debug("Added of-overlay external-interface {} to node {}", ofNcId.getValue(),
 161                                 bridge.ofNodeId);
 162                         traceBridge(rootIdentifier);
 163                     }
 164                 }
 165             }
 166         }
 167     }
 168
 169     @Override
 170     protected void onDelete(DataObjectModification<Node> rootNode, InstanceIdentifier<Node> rootIdentifier) {
 171         LOG.trace("Not implemented - OVSDB element deleted: {} \n {}", rootIdentifier, rootNode.getDataBefore());
 172     }
 173
 174     @Override
 175     protected void onSubtreeModified(DataObjectModification<Node> rootNode, InstanceIdentifier<Node> rootIdentifier) {
 176         Node node = rootNode.getDataAfter();
 177         OvsdbBridgeAugmentation ovsdbBridge = node.getAugmentation(OvsdbBridgeAugmentation.class);
 178         if (ovsdbBridge != null) {
 179             LOG.trace("OVSDB bridge updated: {} \n before {} \n after {}", rootIdentifier, rootNode.getDataBefore(),
 180                     rootNode.getDataAfter());
 181             Set<DataObjectModification<OvsdbTerminationPointAugmentation>> ovsdbTpModifications =
 182                     getOvsdbTpModifications(rootNode);
 183             NodeId ofNodeId = buildOfNodeId(ovsdbBridge);
 184             if (!ovsdbTpModifications.isEmpty() && ofNodeId != null) {
 185                 NeutronBridgeWithExtPort bridge = getBridge(rootIdentifier);
 186                 if (bridge.ofNodeId != null && !bridge.ofNodeId.equals(ofNodeId)) {
 187                     LOG.debug("OVSDB bridge {} has changed datapath-id. \n  Old: {} \n  New: {}",
 188                             node.getNodeId().getValue(), bridge.ofNodeId.getValue(), ofNodeId.getValue());
 189                     bridge.ofNodeId = ofNodeId;
 190                 }
 191             }
 192             for (DataObjectModification<OvsdbTerminationPointAugmentation> ovsdbTpModification : ovsdbTpModifications) {
 193                 OvsdbTerminationPointAugmentation newOvsdbTp = ovsdbTpModification.getDataAfter();
 194
 195                 if (newOvsdbTp == null) {
 196                     LOG.trace("Termination Point is null. Not processing");
 197                     continue;
 198                 }
 199
 200                 if (ovsdbBridge.getBridgeName().getValue().equals(newOvsdbTp.getName())) {
 201                     LOG.trace("Termination Point {} same as Bridge {}. Not processing", newOvsdbTp.getName(),
 202                             ovsdbBridge.getBridgeName().getValue());
 203                     continue;
 204                 }
 205                 String portName = newOvsdbTp.getName();
 206                 Long ofport = newOvsdbTp.getOfport();
 207                 if (isOfportOrNameChanged(ovsdbTpModification) && portName != null && ofport != null) {
 208                     NeutronBridgeWithExtPort bridge = getBridge(rootIdentifier);
 209                     bridge.ofportByName.put(ofport, portName);
 210                     LOG.trace("OVSDB termination point with ofport {} and port-name {} created.", ofport, portName);
 211                     // port name is same as provider port name so the termination point represents
 212                     // external port
 213                     if (portName.equals(providerPortNameByBridgeRef.get(new OvsdbBridgeRef(rootIdentifier)))) {
 214                         NodeConnectorId ofNcId = buildOfNodeConnectorId(newOvsdbTp, ofNodeId);
 215                         bridge.externalIfaces.add(ofNcId);
 216                         InventoryHelper.addOfOverlayExternalPort(bridge.ofNodeId, ofNcId, dataProvider);
 217                         LOG.debug("Added of-overlay external-interface {} to node {}", ofNcId.getValue(),
 218                                 bridge.ofNodeId);
 219                         traceBridge(rootIdentifier);
 220                     }
 221                 }
 222             }
 223         }
 224     }
 225
 226     private NeutronBridgeWithExtPort getBridge(InstanceIdentifier<Node> nodeIid) {
 227         NeutronBridgeWithExtPort bridge = bridgeByNodeIid.get(nodeIid);
 228         if (bridge == null) {
 229             bridge = new NeutronBridgeWithExtPort();
 230             bridgeByNodeIid.put(nodeIid, bridge);
 231         }
 232         return bridge;
 233     }
 234
 235     @SuppressWarnings("unchecked")
 236     private static Set<DataObjectModification<OvsdbTerminationPointAugmentation>> getOvsdbTpModifications(
 237             DataObjectModification<Node> rootNode) {
 238         Set<DataObjectModification<OvsdbTerminationPointAugmentation>> modifications = new HashSet<>();
 239         for (DataObjectModification<? extends DataObject> modifiedChild : rootNode.getModifiedChildren()) {
 240             if (TerminationPoint.class.isAssignableFrom(modifiedChild.getDataType())) {
 241                 DataObjectModification<OvsdbTerminationPointAugmentation> modifiedAugmentation =
 242                         ((DataObjectModification<TerminationPoint>) modifiedChild)
 243                             .getModifiedAugmentation(OvsdbTerminationPointAugmentation.class);
 244                 if (modifiedAugmentation != null) {
 245                     modifications.add(modifiedAugmentation);
 246                 }
 247             }
 248         }
 249         return modifications;
 250     }
 251
 252     private static boolean isOfportOrNameChanged(
 253             DataObjectModification<OvsdbTerminationPointAugmentation> ovsdbTpModification) {
 254         if (ovsdbTpModification == null) {
 255             return false;
 256         }
 257         OvsdbTerminationPointAugmentation oldTp = ovsdbTpModification.getDataBefore();
 258         OvsdbTerminationPointAugmentation newTp = ovsdbTpModification.getDataAfter();
 259         if (oldTp != null && newTp != null) {
 260             if (oldTp.getOfport() != null && newTp.getOfport() != null && !Objects.equals(oldTp.getOfport(),
 261                 newTp.getOfport())) {
 262                 return true;
 263             }
 264             if (!(Strings.nullToEmpty(oldTp.getName())).equals(Strings.nullToEmpty(newTp.getName()))) {
 265                 return true;
 266             }
 267         }
 268         if (isOfportOrNameNotNull(oldTp)) {
 269             return true;
 270         }
 271         if (isOfportOrNameNotNull(newTp)) {
 272             return true;
 273         }
 274         return false;
 275     }
 276
 277     private static boolean isOfportOrNameNotNull(OvsdbTerminationPointAugmentation tp) {
 278         if (tp != null) {
 279             if (tp.getOfport() != null) {
 280                 return true;
 281             }
 282             if (tp.getName() != null) {
 283                 return true;
 284             }
 285         }
 286         return false;
 287     }
 288
 289     private static DataObjectModification<OpenvswitchOtherConfigs> getProviderMappingsModification(
 290             DataObjectModification<Node> rootNode) {
 291         DataObjectModification<OvsdbNodeAugmentation> modifiedOvsdbNode =
 292                 rootNode.getModifiedAugmentation(OvsdbNodeAugmentation.class);
 293         if (modifiedOvsdbNode == null) {
 294             return null;
 295         }
 296         return modifiedOvsdbNode.getModifiedChildListItem(OpenvswitchOtherConfigs.class,
 297                 new OpenvswitchOtherConfigsKey(NEUTRON_PROVIDER_MAPPINGS_KEY));
 298     }
 299
 300     private static boolean isProviderPortNameChanged(DataObjectModification<OpenvswitchOtherConfigs> ovsConfig) {
 301         if (ovsConfig == null) {
 302             return false;
 303         }
 304         OpenvswitchOtherConfigs oldConfig = ovsConfig.getDataBefore();
 305         OpenvswitchOtherConfigs newConfig = ovsConfig.getDataAfter();
 306         if (oldConfig != null && newConfig != null) {
 307             if (!(Strings.nullToEmpty(oldConfig.getOtherConfigValue())
 308                 .equals(Strings.nullToEmpty(newConfig.getOtherConfigValue())))) {
 309                 return true;
 310             }
 311         } else if (oldConfig != null && !Strings.isNullOrEmpty(oldConfig.getOtherConfigValue())) {
 312             return true;
 313         } else if (newConfig != null && !Strings.isNullOrEmpty(newConfig.getOtherConfigValue())) {
 314             return true;
 315         }
 316         return false;
 317     }
 318
 319     private static @Nonnull String getProviderPortName(OpenvswitchOtherConfigs config) {
 320         if (NEUTRON_PROVIDER_MAPPINGS_KEY.equals(config.getOtherConfigKey()) && config.getOtherConfigValue() != null) {
 321             String otherConfig = config.getOtherConfigValue();
 322             String[] elements = otherConfig.split(":");
 323             if (elements.length == 2) {
 324                 return elements[1];
 325             }
 326         }
 327         return "";
 328     }
 329
 330     /**
 331      * Extracts IP address from URI
 332      *
 333      * @param uri in format protocol:ip:port
 334      * @return IPv4 or IPv6 address as {@link String}.
 335      */
 336     private static @Nonnull String getIpAddrFromUri(Uri uri) {
 337         String otherConfig = uri.getValue();
 338         String[] elements = otherConfig.split(":");
 339         // IPv6 expression also contains colons
 340         if (elements.length < 3) {
 341             return "";
 342         }
 343         StringBuilder sb = new StringBuilder();
 344         // first (protocol) and last (port) elements are filtered
 345         for (int i = 1; i < elements.length - 1; i++) {
 346             sb.append(elements[i]);
 347         }
 348         return sb.toString();
 349     }
 350
 351     private List<ControllerEntry> managerToControllerEntries(List<ManagerEntry> managerEntries) {
 352         return Lists.transform(managerEntries, new Function<ManagerEntry, ControllerEntry>() {
 353
 354             @Override
 355             public ControllerEntry apply(ManagerEntry managerEntry) {
 356                 String ipAddr = getIpAddrFromUri(managerEntry.getTarget());
 357                 Uri uri = new Uri(intBrSettings.getOpenflowProtocol() + OF_SEPARATOR + ipAddr + OF_SEPARATOR
 358                         + intBrSettings.getOpenflowPort());
 359                 return new ControllerEntryBuilder().setTarget(new Uri(uri)).build();
 360             }
 361         });
 362     }
 363
 364     private Node createBridge(InstanceIdentifier<Node> managedByIid, List<ControllerEntry> controllerEntries,
 365             String bridgeName) {
 366         OvsdbBridgeAugmentation br = new OvsdbBridgeAugmentationBuilder()
 367             .setBridgeName(new OvsdbBridgeName(bridgeName))
 368             .setManagedBy(new OvsdbNodeRef(managedByIid))
 369             .setControllerEntry(controllerEntries)
 370             .setDatapathType(DatapathTypeSystem.class)
 371             .setProtocolEntry(
 372                     ImmutableList.of(new ProtocolEntryBuilder().setProtocol(
 373                             OvsdbBridgeProtocolOpenflow13.class).build()))
 374             .build();
 375         NodeKey managerNodeKey = managedByIid.firstKeyOf(Node.class);
 376         return new NodeBuilder().setNodeId(
 377                 new org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NodeId(
 378                         managerNodeKey.getNodeId().getValue() + BRIDGE_SEPARATOR + bridgeName))
 379             .addAugmentation(OvsdbBridgeAugmentation.class, br)
 380             .build();
 381     }
 382
 383     private static NodeId buildOfNodeId(OvsdbBridgeAugmentation ovsdbBridge) {
 384         if (ovsdbBridge.getDatapathId() == null) {
 385             return null;
 386         }
 387         Long macLong = InventoryHelper.getLongFromDpid(ovsdbBridge.getDatapathId().getValue());
 388         return new NodeId(OF_INVENTORY_PREFIX + OF_SEPARATOR + String.valueOf(macLong));
 389     }
 390
 391     private static NodeConnectorId buildOfNodeConnectorId(OvsdbTerminationPointAugmentation terminationPoint,
 392             NodeId nodeId) {
 393         if (terminationPoint.getOfport() == null) {
 394             return null;
 395         }
 396         return new NodeConnectorId(nodeId.getValue() + OF_SEPARATOR + String.valueOf(terminationPoint.getOfport()));
 397     }
 398
 399     private void traceBridge(InstanceIdentifier<Node> identifier) {
 400         if (LOG.isTraceEnabled()) {
 401             NeutronBridgeWithExtPort bridge = bridgeByNodeIid.get(identifier);
 402             if (bridge == null) {
 403                 LOG.trace("Bridge does not exist: {}", identifier);
 404                 return;
 405             }
 406             String providerPortName = providerPortNameByBridgeRef.get(new OvsdbBridgeRef(identifier));
 407             LOG.trace("State of bridge:\n  ID: {} \n  providerPortName: {} \n  {}", identifier, providerPortName,
 408                     bridge);
 409         }
 410     }
 411
 412     private class NeutronBridgeWithExtPort {
 413
 414         NodeId ofNodeId;
 415         Set<NodeConnectorId> externalIfaces = new HashSet<>();
 416         Map<Long, String> ofportByName = new HashMap<>();
 417
 418         @Override
 419         public String toString() {
 420             return "NeutronBridgeWithExtPort:\n  ofNodeId=" + ofNodeId + "\n  externalIfaces=" + externalIfaces
 421                     + ",\n  ofportByName=" + ofportByName;
 422         }
 423     }
 424
 425 }