tapi/src/main/java/org/opendaylight/transportpce/tapi/topology/TapiTopologyImpl.java

   1 /*
   2  * Copyright © 2019 Orange, 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.transportpce.tapi.topology;
   9
  10 import com.google.common.util.concurrent.FluentFuture;
  11 import com.google.common.util.concurrent.ListenableFuture;
  12 import java.nio.charset.Charset;
  13 import java.util.ArrayList;
  14 import java.util.HashMap;
  15 import java.util.List;
  16 import java.util.Map;
  17 import java.util.NoSuchElementException;
  18 import java.util.Optional;
  19 import java.util.UUID;
  20 import java.util.concurrent.ExecutionException;
  21 import java.util.stream.Collectors;
  22 import org.eclipse.jdt.annotation.NonNull;
  23 import org.eclipse.jdt.annotation.Nullable;
  24 import org.opendaylight.mdsal.binding.api.DataBroker;
  25 import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
  26 import org.opendaylight.transportpce.common.InstanceIdentifiers;
  27 import org.opendaylight.transportpce.common.NetworkUtils;
  28 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.portmapping.rev200827.network.Nodes;
  29 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.portmapping.rev200827.network.NodesKey;
  30 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.portmapping.rev200827.network.nodes.Mapping;
  31 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.portmapping.rev200827.network.nodes.MappingKey;
  32 import org.opendaylight.yang.gen.v1.http.org.openroadm.common.network.rev181130.Link1;
  33 import org.opendaylight.yang.gen.v1.http.org.openroadm.common.network.rev181130.TerminationPoint1;
  34 import org.opendaylight.yang.gen.v1.http.org.openroadm.network.types.rev181130.OpenroadmLinkType;
  35 import org.opendaylight.yang.gen.v1.http.org.openroadm.network.types.rev181130.OpenroadmNodeType;
  36 import org.opendaylight.yang.gen.v1.http.org.openroadm.network.types.rev181130.OpenroadmTpType;
  37 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.rev180226.networks.Network;
  38 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.rev180226.networks.network.Node;
  39 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.topology.rev180226.Network1;
  40 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.topology.rev180226.Node1;
  41 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.topology.rev180226.networks.network.Link;
  42 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.topology.rev180226.networks.network.node.TerminationPoint;
  43 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.common.rev181210.AdministrativeState;
  44 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.common.rev181210.LayerProtocolName;
  45 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.common.rev181210.LifecycleState;
  46 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.common.rev181210.OperationalState;
  47 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.common.rev181210.PortDirection;
  48 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.common.rev181210.PortRole;
  49 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.common.rev181210.TerminationDirection;
  50 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.common.rev181210.TerminationState;
  51 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.common.rev181210.Uuid;
  52 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.common.rev181210.global._class.Name;
  53 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.common.rev181210.global._class.NameBuilder;
  54 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.common.rev181210.global._class.NameKey;
  55 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.topology.rev181210.GetLinkDetailsInput;
  56 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.topology.rev181210.GetLinkDetailsOutput;
  57 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.topology.rev181210.GetNodeDetailsInput;
  58 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.topology.rev181210.GetNodeDetailsOutput;
  59 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.topology.rev181210.GetNodeEdgePointDetailsInput;
  60 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.topology.rev181210.GetNodeEdgePointDetailsOutput;
  61 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.topology.rev181210.GetTopologyDetailsInput;
  62 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.topology.rev181210.GetTopologyDetailsOutput;
  63 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.topology.rev181210.GetTopologyDetailsOutputBuilder;
  64 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.topology.rev181210.GetTopologyListInput;
  65 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.topology.rev181210.GetTopologyListOutput;
  66 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.topology.rev181210.TapiTopologyService;
  67 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.topology.rev181210.get.topology.details.output.Topology;
  68 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.topology.rev181210.get.topology.details.output.TopologyBuilder;
  69 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.topology.rev181210.node.OwnedNodeEdgePoint;
  70 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.topology.rev181210.node.OwnedNodeEdgePointBuilder;
  71 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.topology.rev181210.node.OwnedNodeEdgePointKey;
  72 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.topology.rev181210.node.edge.point.MappedServiceInterfacePoint;
  73 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.topology.rev181210.node.edge.point.MappedServiceInterfacePointBuilder;
  74 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.topology.rev181210.node.edge.point.MappedServiceInterfacePointKey;
  75 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.topology.rev181210.topology.LinkKey;
  76 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.topology.rev181210.topology.NodeBuilder;
  77 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.topology.rev181210.topology.NodeKey;
  78 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  79 import org.opendaylight.yangtools.yang.binding.KeyedInstanceIdentifier;
  80 import org.opendaylight.yangtools.yang.common.RpcResult;
  81 import org.opendaylight.yangtools.yang.common.RpcResultBuilder;
  82 import org.slf4j.Logger;
  83 import org.slf4j.LoggerFactory;
  84
  85 public class TapiTopologyImpl implements TapiTopologyService {
  86
  87     private static final Logger LOG = LoggerFactory.getLogger(TapiTopologyImpl.class);
  88     private static final String ETH_TOPO = "Ethernet Topology";
  89     private static final String T0_MULTI_LAYER_TOPO = "T0 - Multi-layer topology";
  90     private final DataBroker dataBroker;
  91
  92     public TapiTopologyImpl(DataBroker dataBroker) {
  93         this.dataBroker = dataBroker;
  94     }
  95
  96     @Override
  97     public ListenableFuture<RpcResult<GetNodeDetailsOutput>> getNodeDetails(GetNodeDetailsInput input) {
  98         // TODO Auto-generated method stub
  99         return null;
 100     }
 101
 102     @Override
 103     public ListenableFuture<RpcResult<GetTopologyDetailsOutput>> getTopologyDetails(GetTopologyDetailsInput input) {
 104         LOG.info("Building TAPI Topology abstraction from {}", input.getTopologyIdOrName());
 105         Topology topology = null;
 106         switch (input.getTopologyIdOrName()) {
 107             case NetworkUtils.OVERLAY_NETWORK_ID:
 108                 topology = createAbstractedOpenroadmTopology();
 109                 break;
 110             case NetworkUtils.OTN_NETWORK_ID:
 111                 topology = createAbstractedOtnTopology();
 112                 break;
 113             default:
 114                 LOG.error("{} unknown - can not be abstracted", input.getTopologyIdOrName());
 115                 break;
 116         }
 117         if (topology != null) {
 118             return RpcResultBuilder.success(new GetTopologyDetailsOutputBuilder().setTopology(topology).build())
 119                 .buildFuture();
 120         } else {
 121             return RpcResultBuilder.success(new GetTopologyDetailsOutputBuilder().build()).buildFuture();
 122         }
 123     }
 124
 125     private Topology createAbstractedOpenroadmTopology() {
 126         // read openroadm-topology
 127         @NonNull
 128         FluentFuture<Optional<Network>> openroadmTopoOpt = dataBroker.newReadOnlyTransaction()
 129                 .read(LogicalDatastoreType.CONFIGURATION, InstanceIdentifiers.OVERLAY_NETWORK_II);
 130         if (!openroadmTopoOpt.isDone()) {
 131             LOG.warn("Cannot get openroadm topology, returning null");
 132             return null;
 133         }
 134         Optional<Network> optionalOpenroadmTop = null;
 135         try {
 136             optionalOpenroadmTop = openroadmTopoOpt.get();
 137         } catch (InterruptedException e) {
 138             //sonar : "InterruptedException" should not be ignored (java:S2142)
 139             //https://www.ibm.com/developerworks/java/library/j-jtp05236/index.html?ca=drs-#2.1
 140             Thread.currentThread().interrupt();
 141             return null;
 142         } catch (ExecutionException | NoSuchElementException e) {
 143             LOG.error("Impossible to retrieve openroadm-topology from mdsal", e);
 144             return null;
 145         }
 146
 147         if (!optionalOpenroadmTop.isPresent()) {
 148             LOG.warn("Openroadm topology is not present, returning null");
 149             return null;
 150         }
 151         Network openroadmTopo = optionalOpenroadmTop.get();
 152         List<Node> nodeList = new ArrayList<>(openroadmTopo.getNode().values());
 153         List<Link> linkList = null;
 154         if (openroadmTopo.augmentation(Network1.class) != null) {
 155             linkList = new ArrayList<>(openroadmTopo.augmentation(Network1.class).getLink().values());
 156         } else {
 157             linkList = new ArrayList<>();
 158         }
 159         List<Link> xponderOutLinkList = linkList.stream()
 160                 .filter(lk -> lk.augmentation(Link1.class).getLinkType().equals(OpenroadmLinkType.XPONDEROUTPUT))
 161                 .collect(Collectors.toList());
 162         List<Link> xponderInLinkList = linkList.stream()
 163                 .filter(lk -> lk.augmentation(Link1.class).getLinkType().equals(OpenroadmLinkType.XPONDERINPUT))
 164                 .collect(Collectors.toList());
 165
 166         List<Node> xpdrNodeList = nodeList
 167                 .stream()
 168                 .filter(nt -> nt
 169                         .augmentation(org.opendaylight.yang.gen.v1
 170                                 .http.org.openroadm.common.network.rev181130.Node1.class)
 171                         .getNodeType().equals(OpenroadmNodeType.XPONDER)).collect(Collectors.toList());
 172         Map<String, List<String>> clientPortMap = new HashMap<>();
 173         for (Node node : xpdrNodeList) {
 174             String nodeId = node.getSupportingNode().values().stream()
 175                 .filter(sn -> sn.getNetworkRef().getValue().equals(NetworkUtils.UNDERLAY_NETWORK_ID))
 176                 .findFirst()
 177                 .get().getNodeRef().getValue();
 178             List<String> clientPortList = new ArrayList<>();
 179             for (TerminationPoint tp : node.augmentation(Node1.class).getTerminationPoint().values()) {
 180                 if (tp.augmentation(TerminationPoint1.class).getTpType().equals(OpenroadmTpType.XPONDERCLIENT)
 181                         && checkTp(node.getNodeId().getValue(), nodeId, tp, xponderOutLinkList, xponderInLinkList)) {
 182                     clientPortList.add(tp.getTpId().getValue());
 183                 }
 184             }
 185             if (!clientPortList.isEmpty()) {
 186                 clientPortMap.put(nodeId, clientPortList);
 187             }
 188         }
 189         List<String> goodTpList = extractGoodTpList(clientPortMap);
 190         // tapi topology creation
 191         Map<NameKey, Name> names = new HashMap<>();
 192         Name name = new NameBuilder().setValue(ETH_TOPO).setValueName("Topo Name").build();
 193         names.put(name.key(), name);
 194         Uuid uuid = new Uuid(UUID.nameUUIDFromBytes(ETH_TOPO.getBytes(Charset.forName("UTF-8"))).toString());
 195         Map<NodeKey ,org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.topology.rev181210.topology.Node>
 196             tapiNodeList = new HashMap<>();
 197         org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.topology.rev181210.topology.Node node
 198             = createTapiNode(goodTpList);
 199         tapiNodeList.put(node.key(), node);
 200         return new TopologyBuilder().setName(names).setUuid(uuid).setNode(tapiNodeList).build();
 201
 202     }
 203
 204     private List<String> extractGoodTpList(Map<String, List<String>> clientPortMap) {
 205         List<String> goodTpList = new ArrayList<>();
 206         for (Map.Entry<String, List<String>> entry : clientPortMap.entrySet()) {
 207             String key = entry.getKey();
 208             List<String> value = entry.getValue();
 209             for (String tpid : value) {
 210                 goodTpList.add(key + "--" + tpid);
 211             }
 212         }
 213         return goodTpList;
 214     }
 215
 216     private Topology createAbstractedOtnTopology() {
 217         // read otn-topology
 218         @NonNull
 219         FluentFuture<Optional<Network>> otnTopoOpt = dataBroker.newReadOnlyTransaction().read(
 220             LogicalDatastoreType.CONFIGURATION, InstanceIdentifiers.OTN_NETWORK_II);
 221         if (otnTopoOpt.isDone()) {
 222             Network otnTopo = null;
 223             try {
 224                 otnTopo = otnTopoOpt.get().get();
 225             } catch (InterruptedException | ExecutionException | NoSuchElementException e) {
 226                 LOG.error("Impossible to retreive otn-topology from mdsal",e);
 227                 return null;
 228             }
 229             List<Node> nodeList = new ArrayList<>(otnTopo.getNode().values());
 230             List<Node> otnNodeList = nodeList.stream().filter(nt -> nt.augmentation(
 231                 org.opendaylight.yang.gen.v1.http.org.openroadm.common.network.rev181130.Node1.class)
 232                 .getNodeType().equals(OpenroadmNodeType.SWITCH) || nt.augmentation(
 233                     org.opendaylight.yang.gen.v1.http.org.openroadm.common.network.rev181130.Node1.class)
 234                     .getNodeType().equals(OpenroadmNodeType.MUXPDR)).collect(Collectors.toList());
 235             Map<NodeKey, org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.topology.rev181210.topology.Node>
 236                 tapiNodeList = new HashMap<>();
 237             Map<LinkKey, org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.topology.rev181210.topology.Link>
 238                 tapiLinkList = new HashMap<>();
 239             Uuid topoUuid = new Uuid(UUID.nameUUIDFromBytes(T0_MULTI_LAYER_TOPO.getBytes(Charset.forName("UTF-8")))
 240                 .toString());
 241             for (Node node : otnNodeList) {
 242                 ConvertORTopoObjectToTapiTopoObject tapiFactory =
 243                     new ConvertORTopoObjectToTapiTopoObject(node, null, topoUuid);
 244                 tapiFactory.convertNode();
 245                 tapiNodeList.putAll(tapiFactory.getTapiNodes());
 246                 tapiLinkList.putAll(tapiFactory.getTapiLinks());
 247             }
 248             Name name = new NameBuilder().setValue(T0_MULTI_LAYER_TOPO).setValueName("TAPI Topology Name").build();
 249             return new TopologyBuilder()
 250                     .setName(Map.of(name.key(), name))
 251                     .setUuid(topoUuid)
 252                     .setNode(tapiNodeList)
 253                     .setLink(tapiLinkList).build();
 254         } else {
 255             return null;
 256         }
 257     }
 258
 259     @Override
 260     public ListenableFuture<RpcResult<GetNodeEdgePointDetailsOutput>> getNodeEdgePointDetails(
 261         GetNodeEdgePointDetailsInput input) {
 262         // TODO Auto-generated method stub
 263         return null;
 264     }
 265
 266     @Override
 267     public ListenableFuture<RpcResult<GetLinkDetailsOutput>> getLinkDetails(GetLinkDetailsInput input) {
 268         // TODO Auto-generated method stub
 269         return null;
 270     }
 271
 272     @Override
 273     public ListenableFuture<RpcResult<GetTopologyListOutput>> getTopologyList(GetTopologyListInput input) {
 274         // TODO Auto-generated method stub
 275         return null;
 276     }
 277
 278     private org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.topology.rev181210.topology.Node createTapiNode(List<
 279         String> tpList) {
 280         Name name = new NameBuilder().setValueName("node name").setValue("TAPI Ethernet Node").build();
 281         List<LayerProtocolName> layerProtocols = new ArrayList<>();
 282         layerProtocols.add(LayerProtocolName.ETH);
 283         Map<OwnedNodeEdgePointKey, OwnedNodeEdgePoint> onepl = new HashMap<>();
 284         for (int i = 0; i < tpList.size(); i++) {
 285             Name onedName = new NameBuilder().setValueName("OwnedNodeEdgePoint " + i).setValue(tpList.get(i)).build();
 286             OwnedNodeEdgePoint onep = new OwnedNodeEdgePointBuilder()
 287                 .setUuid(new Uuid(UUID.nameUUIDFromBytes(("OwnedNodeEdgePoint " + i).getBytes(Charset.forName("UTF-8")))
 288                     .toString()))
 289                 .setLayerProtocolName(LayerProtocolName.ETH).setMappedServiceInterfacePoint(createSIP(1))
 290                 .setLinkPortDirection(PortDirection.BIDIRECTIONAL).setLinkPortRole(PortRole.SYMMETRIC)
 291                 .setAdministrativeState(AdministrativeState.UNLOCKED).setOperationalState(OperationalState.ENABLED)
 292                 .setLifecycleState(LifecycleState.INSTALLED).setName(Map.of(onedName.key(), onedName))
 293                 .setTerminationDirection(
 294                     TerminationDirection.BIDIRECTIONAL).setTerminationState(TerminationState.TERMINATEDBIDIRECTIONAL)
 295                 .build();
 296             onepl.put(onep.key(), onep);
 297         }
 298
 299         return new NodeBuilder()
 300                 .setUuid(new Uuid(UUID.nameUUIDFromBytes(name.getValue().getBytes(Charset.forName("UTF-8")))
 301                     .toString()))
 302                 .setName(Map.of(name.key(), name)).setLayerProtocolName(layerProtocols)
 303                 .setAdministrativeState(AdministrativeState.UNLOCKED)
 304                 .setOperationalState(OperationalState.ENABLED)
 305                 .setLifecycleState(LifecycleState.INSTALLED)
 306                 .setOwnedNodeEdgePoint(onepl)
 307                 .build();
 308     }
 309
 310     private Map<MappedServiceInterfacePointKey, MappedServiceInterfacePoint> createSIP(int nb) {
 311         Map<MappedServiceInterfacePointKey, MappedServiceInterfacePoint> msipl = new HashMap<>();
 312         for (int i = 0; i < nb; i++) {
 313             MappedServiceInterfacePoint msip = new MappedServiceInterfacePointBuilder().setServiceInterfacePointUuid(
 314                 new Uuid(UUID.randomUUID().toString())).build();
 315             msipl.put(msip.key(), msip);
 316         }
 317         return msipl;
 318     }
 319
 320     private boolean checkTp(String nodeIdTopo, String nodeIdPortMap, TerminationPoint tp, List<Link> xpdOut, List<
 321         Link> xpdIn) {
 322         @Nullable
 323         String networkLcp = tp.augmentation(
 324             org.opendaylight.yang.gen.v1.http.transportpce.topology.rev200129.TerminationPoint1.class)
 325             .getAssociatedConnectionMapPort();
 326         @NonNull
 327         KeyedInstanceIdentifier<Mapping, MappingKey> pmIID = InstanceIdentifier.create(
 328             org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.portmapping.rev200827.Network.class)
 329             .child(Nodes.class, new NodesKey(nodeIdPortMap)).child(Mapping.class, new MappingKey(networkLcp));
 330         @NonNull
 331         FluentFuture<Optional<Mapping>> mappingOpt = dataBroker.newReadOnlyTransaction().read(
 332             LogicalDatastoreType.CONFIGURATION, pmIID);
 333         Mapping mapping = null;
 334         if (mappingOpt.isDone()) {
 335             try {
 336                 mapping = mappingOpt.get().get();
 337             } catch (InterruptedException | ExecutionException e) {
 338                 LOG.error("Error getting mapping for {}", networkLcp,e);
 339                 return false;
 340             }
 341         } else {
 342             LOG.error("Impossible to get mapping of associated network port {} of tp {}", networkLcp, tp.getTpId()
 343                 .getValue());
 344             return false;
 345         }
 346         String networkPortDirection = mapping.getPortDirection();
 347         long count = 0;
 348         switch (networkPortDirection) {
 349             case "bidirectional":
 350                 count += xpdOut.stream().filter(lk -> lk.getSource().getSourceNode().getValue().equals(nodeIdTopo) && lk
 351                     .getSource().getSourceTp().equals(networkLcp)).count();
 352                 count += xpdIn.stream().filter(lk -> lk.getDestination().getDestNode().getValue().equals(nodeIdTopo)
 353                     && lk.getDestination().getDestTp().equals(networkLcp)).count();
 354                 return (count == 2);
 355             case "tx":
 356             case "rx":
 357                 @Nullable
 358                 String partnerLcp = mapping.getPartnerLcp();
 359                 if (mapping.getPortQual().equals("tx")) {
 360                     count += xpdOut.stream().filter(lk -> lk.getSource().getSourceNode().getValue().equals(nodeIdTopo)
 361                         && lk.getSource().getSourceTp().equals(networkLcp)).count();
 362                     count += xpdIn.stream().filter(lk -> lk.getDestination().getDestNode().getValue().equals(nodeIdTopo)
 363                         && lk.getDestination().getDestTp().equals(partnerLcp)).count();
 364                 }
 365                 if (mapping.getPortQual().equals("rx")) {
 366                     count += xpdIn.stream().filter(lk -> lk.getDestination().getDestNode().getValue().equals(nodeIdTopo)
 367                         && lk.getDestination().getDestTp().equals(networkLcp)).count();
 368                     count += xpdOut.stream().filter(lk -> lk.getSource().getSourceNode().getValue().equals(nodeIdTopo)
 369                         && lk.getSource().getSourceTp().equals(partnerLcp)).count();
 370                 }
 371                 return (count == 2);
 372             default:
 373                 LOG.error("Invalid port direction for {}", networkLcp);
 374                 return false;
 375         }
 376     }
 377
 378 }