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.Collections;
  15 import java.util.HashMap;
  16 import java.util.List;
  17 import java.util.Map;
  18 import java.util.NoSuchElementException;
  19 import java.util.Optional;
  20 import java.util.UUID;
  21 import java.util.concurrent.ExecutionException;
  22 import java.util.stream.Collectors;
  23 import org.eclipse.jdt.annotation.NonNull;
  24 import org.eclipse.jdt.annotation.Nullable;
  25 import org.opendaylight.mdsal.binding.api.DataBroker;
  26 import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
  27 import org.opendaylight.transportpce.common.InstanceIdentifiers;
  28 import org.opendaylight.transportpce.common.NetworkUtils;
  29 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.portmapping.rev200827.network.Nodes;
  30 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.portmapping.rev200827.network.NodesKey;
  31 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.portmapping.rev200827.network.nodes.Mapping;
  32 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.portmapping.rev200827.network.nodes.MappingKey;
  33 import org.opendaylight.yang.gen.v1.http.org.openroadm.common.network.rev181130.Link1;
  34 import org.opendaylight.yang.gen.v1.http.org.openroadm.common.network.rev181130.TerminationPoint1;
  35 import org.opendaylight.yang.gen.v1.http.org.openroadm.network.types.rev181130.OpenroadmLinkType;
  36 import org.opendaylight.yang.gen.v1.http.org.openroadm.network.types.rev181130.OpenroadmNodeType;
  37 import org.opendaylight.yang.gen.v1.http.org.openroadm.network.types.rev181130.OpenroadmTpType;
  38 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.rev180226.networks.Network;
  39 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.rev180226.networks.network.Node;
  40 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.topology.rev180226.Network1;
  41 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.topology.rev180226.Node1;
  42 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.topology.rev180226.networks.network.Link;
  43 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.topology.rev180226.networks.network.node.TerminationPoint;
  44 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.common.rev181210.AdministrativeState;
  45 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.common.rev181210.LayerProtocolName;
  46 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.common.rev181210.LifecycleState;
  47 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.common.rev181210.OperationalState;
  48 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.common.rev181210.PortDirection;
  49 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.common.rev181210.PortRole;
  50 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.common.rev181210.TerminationDirection;
  51 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.common.rev181210.TerminationState;
  52 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.common.rev181210.Uuid;
  53 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.common.rev181210.global._class.Name;
  54 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.common.rev181210.global._class.NameBuilder;
  55 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.common.rev181210.global._class.NameKey;
  56 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.topology.rev181210.GetLinkDetailsInput;
  57 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.topology.rev181210.GetLinkDetailsOutput;
  58 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.topology.rev181210.GetNodeDetailsInput;
  59 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.topology.rev181210.GetNodeDetailsOutput;
  60 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.topology.rev181210.GetNodeEdgePointDetailsInput;
  61 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.topology.rev181210.GetNodeEdgePointDetailsOutput;
  62 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.topology.rev181210.GetTopologyDetailsInput;
  63 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.topology.rev181210.GetTopologyDetailsOutput;
  64 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.topology.rev181210.GetTopologyDetailsOutputBuilder;
  65 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.topology.rev181210.GetTopologyListInput;
  66 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.topology.rev181210.GetTopologyListOutput;
  67 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.topology.rev181210.TapiTopologyService;
  68 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.topology.rev181210.get.topology.details.output.Topology;
  69 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.topology.rev181210.get.topology.details.output.TopologyBuilder;
  70 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.topology.rev181210.node.OwnedNodeEdgePoint;
  71 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.topology.rev181210.node.OwnedNodeEdgePointBuilder;
  72 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.topology.rev181210.node.OwnedNodeEdgePointKey;
  73 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.topology.rev181210.node.edge.point.MappedServiceInterfacePoint;
  74 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.topology.rev181210.node.edge.point.MappedServiceInterfacePointBuilder;
  75 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.topology.rev181210.node.edge.point.MappedServiceInterfacePointKey;
  76 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.topology.rev181210.topology.LinkKey;
  77 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.topology.rev181210.topology.NodeBuilder;
  78 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.topology.rev181210.topology.NodeKey;
  79 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  80 import org.opendaylight.yangtools.yang.binding.KeyedInstanceIdentifier;
  81 import org.opendaylight.yangtools.yang.common.RpcResult;
  82 import org.opendaylight.yangtools.yang.common.RpcResultBuilder;
  83 import org.slf4j.Logger;
  84 import org.slf4j.LoggerFactory;
  85
  86 public class TapiTopologyImpl implements TapiTopologyService {
  87
  88     private static final Logger LOG = LoggerFactory.getLogger(TapiTopologyImpl.class);
  89     private static final String ETH_TOPO = "Ethernet Topology";
  90     private static final String T0_MULTI_LAYER_TOPO = "T0 - Multi-layer topology";
  91     private final DataBroker dataBroker;
  92
  93     public TapiTopologyImpl(DataBroker dataBroker) {
  94         this.dataBroker = dataBroker;
  95     }
  96
  97     @Override
  98     public ListenableFuture<RpcResult<GetNodeDetailsOutput>> getNodeDetails(GetNodeDetailsInput input) {
  99         // TODO Auto-generated method stub
 100         return null;
 101     }
 102
 103     @Override
 104     public ListenableFuture<RpcResult<GetTopologyDetailsOutput>> getTopologyDetails(GetTopologyDetailsInput input) {
 105         LOG.info("Building TAPI Topology abstraction from {}", input.getTopologyIdOrName());
 106         Topology topology = null;
 107         switch (input.getTopologyIdOrName()) {
 108             case NetworkUtils.OVERLAY_NETWORK_ID:
 109                 topology = createAbstractedOpenroadmTopology();
 110                 break;
 111             case NetworkUtils.OTN_NETWORK_ID:
 112                 topology = createAbstractedOtnTopology();
 113                 break;
 114             default:
 115                 LOG.error("{} unknown - can not be abstracted", input.getTopologyIdOrName());
 116                 break;
 117         }
 118         if (topology != null) {
 119             return RpcResultBuilder.success(new GetTopologyDetailsOutputBuilder().setTopology(topology).build())
 120                 .buildFuture();
 121         } else {
 122             return RpcResultBuilder.success(new GetTopologyDetailsOutputBuilder().build()).buildFuture();
 123         }
 124     }
 125
 126     private Topology createAbstractedOpenroadmTopology() {
 127         // read openroadm-topology
 128         @NonNull
 129         FluentFuture<Optional<Network>> openroadmTopoOpt = dataBroker.newReadOnlyTransaction()
 130                 .read(LogicalDatastoreType.CONFIGURATION, InstanceIdentifiers.OVERLAY_NETWORK_II);
 131         if (!openroadmTopoOpt.isDone()) {
 132             LOG.warn("Cannot get openroadm topology, returning null");
 133             return null;
 134         }
 135         Optional<Network> optionalOpenroadmTop = null;
 136         try {
 137             optionalOpenroadmTop = openroadmTopoOpt.get();
 138         } catch (InterruptedException e) {
 139             //sonar : "InterruptedException" should not be ignored (java:S2142)
 140             //https://www.ibm.com/developerworks/java/library/j-jtp05236/index.html?ca=drs-#2.1
 141             Thread.currentThread().interrupt();
 142             return null;
 143         } catch (ExecutionException | NoSuchElementException e) {
 144             LOG.error("Impossible to retrieve openroadm-topology from mdsal", e);
 145             return null;
 146         }
 147
 148         if (!optionalOpenroadmTop.isPresent()) {
 149             LOG.warn("Openroadm topology is not present, returning null");
 150             return null;
 151         }
 152         Network openroadmTopo = optionalOpenroadmTop.get();
 153         List<Node> nodeList = new ArrayList<>(openroadmTopo.getNode().values());
 154         List<Link> linkList = null;
 155         if (openroadmTopo.augmentation(Network1.class) != null) {
 156             linkList = new ArrayList<>(openroadmTopo.augmentation(Network1.class).getLink().values());
 157         } else {
 158             linkList = new ArrayList<>();
 159         }
 160         List<Link> xponderOutLinkList = linkList.stream()
 161                 .filter(lk -> lk.augmentation(Link1.class).getLinkType().equals(OpenroadmLinkType.XPONDEROUTPUT))
 162                 .collect(Collectors.toList());
 163         List<Link> xponderInLinkList = linkList.stream()
 164                 .filter(lk -> lk.augmentation(Link1.class).getLinkType().equals(OpenroadmLinkType.XPONDERINPUT))
 165                 .collect(Collectors.toList());
 166
 167         List<Node> xpdrNodeList = nodeList
 168                 .stream()
 169                 .filter(nt -> nt
 170                         .augmentation(org.opendaylight.yang.gen.v1
 171                                 .http.org.openroadm.common.network.rev181130.Node1.class)
 172                         .getNodeType().equals(OpenroadmNodeType.XPONDER)).collect(Collectors.toList());
 173         Map<String, List<String>> clientPortMap = new HashMap<>();
 174         for (Node node : xpdrNodeList) {
 175             String nodeId = node.getSupportingNode().values().stream()
 176                 .filter(sn -> sn.getNetworkRef().getValue().equals(NetworkUtils.UNDERLAY_NETWORK_ID))
 177                 .findFirst()
 178                 .get().getNodeRef().getValue();
 179             List<String> clientPortList = new ArrayList<>();
 180             for (TerminationPoint tp : node.augmentation(Node1.class).getTerminationPoint().values()) {
 181                 if (tp.augmentation(TerminationPoint1.class).getTpType().equals(OpenroadmTpType.XPONDERCLIENT)
 182                         && checkTp(node.getNodeId().getValue(), nodeId, tp, xponderOutLinkList, xponderInLinkList)) {
 183                     clientPortList.add(tp.getTpId().getValue());
 184                 }
 185             }
 186             if (!clientPortList.isEmpty()) {
 187                 clientPortMap.put(nodeId, clientPortList);
 188             }
 189         }
 190         List<String> goodTpList = extractGoodTpList(clientPortMap);
 191         // tapi topology creation
 192         Map<NameKey, Name> names = new HashMap<>();
 193         Name name = new NameBuilder().setValue(ETH_TOPO).setValueName("Topo Name").build();
 194         names.put(name.key(), name);
 195         Uuid uuid = new Uuid(UUID.nameUUIDFromBytes(ETH_TOPO.getBytes(Charset.forName("UTF-8"))).toString());
 196         Map<NodeKey ,org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.topology.rev181210.topology.Node>
 197             tapiNodeList = new HashMap<>();
 198         org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.topology.rev181210.topology.Node node
 199             = createTapiNode(goodTpList);
 200         tapiNodeList.put(node.key(), node);
 201         return new TopologyBuilder().setName(names).setUuid(uuid).setNode(tapiNodeList).build();
 202
 203     }
 204
 205     private List<String> extractGoodTpList(Map<String, List<String>> clientPortMap) {
 206         List<String> goodTpList = new ArrayList<>();
 207         for (Map.Entry<String, List<String>> entry : clientPortMap.entrySet()) {
 208             String key = entry.getKey();
 209             List<String> value = entry.getValue();
 210             for (String tpid : value) {
 211                 goodTpList.add(key + "--" + tpid);
 212             }
 213         }
 214         return goodTpList;
 215     }
 216
 217     private Topology createAbstractedOtnTopology() {
 218         // read otn-topology
 219         @NonNull
 220         FluentFuture<Optional<Network>> otnTopoOpt = dataBroker.newReadOnlyTransaction().read(
 221             LogicalDatastoreType.CONFIGURATION, InstanceIdentifiers.OTN_NETWORK_II);
 222         if (otnTopoOpt.isDone()) {
 223             Network otnTopo = null;
 224             try {
 225                 otnTopo = otnTopoOpt.get().get();
 226             } catch (InterruptedException | ExecutionException | NoSuchElementException e) {
 227                 LOG.error("Impossible to retreive otn-topology from mdsal",e);
 228                 return null;
 229             }
 230             List<Node> nodeList = new ArrayList<>(otnTopo.getNode().values());
 231             List<Node> otnNodeList = nodeList.stream().filter(nt -> nt.augmentation(
 232                 org.opendaylight.yang.gen.v1.http.org.openroadm.common.network.rev181130.Node1.class)
 233                 .getNodeType().equals(OpenroadmNodeType.SWITCH) || nt.augmentation(
 234                     org.opendaylight.yang.gen.v1.http.org.openroadm.common.network.rev181130.Node1.class)
 235                     .getNodeType().equals(OpenroadmNodeType.MUXPDR)).collect(Collectors.toList());
 236             Map<NodeKey, org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.topology.rev181210.topology.Node>
 237                 tapiNodeList = new HashMap<>();
 238             Map<LinkKey, org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.topology.rev181210.topology.Link>
 239                 tapiLinkList = new HashMap<>();
 240             Uuid topoUuid = new Uuid(UUID.nameUUIDFromBytes(T0_MULTI_LAYER_TOPO.getBytes(Charset.forName("UTF-8")))
 241                 .toString());
 242             ConvertORTopoObjectToTapiTopoObject tapiFactory = new ConvertORTopoObjectToTapiTopoObject(topoUuid);
 243             for (Node node : otnNodeList) {
 244                 tapiFactory.convertNode(node);
 245                 tapiNodeList.putAll(tapiFactory.getTapiNodes());
 246                 tapiLinkList.putAll(tapiFactory.getTapiLinks());
 247             }
 248             if (otnTopo.augmentation(Network1.class) != null) {
 249                 List<Link> otnLinkList = new ArrayList<>(otnTopo.augmentation(Network1.class).getLink().values());
 250                 Collections.sort(otnLinkList, (l1, l2) -> l1.getLinkId().getValue()
 251                     .compareTo(l2.getLinkId().getValue()));
 252                 tapiFactory.convertLinks(otnLinkList);
 253                 tapiLinkList.putAll(tapiFactory.getTapiLinks());
 254             }
 255             Name name = new NameBuilder().setValue(T0_MULTI_LAYER_TOPO).setValueName("TAPI Topology Name").build();
 256             return new TopologyBuilder()
 257                     .setName(Map.of(name.key(), name))
 258                     .setUuid(topoUuid)
 259                     .setNode(tapiNodeList)
 260                     .setLink(tapiLinkList).build();
 261         } else {
 262             return null;
 263         }
 264     }
 265
 266     @Override
 267     public ListenableFuture<RpcResult<GetNodeEdgePointDetailsOutput>> getNodeEdgePointDetails(
 268         GetNodeEdgePointDetailsInput input) {
 269         // TODO Auto-generated method stub
 270         return null;
 271     }
 272
 273     @Override
 274     public ListenableFuture<RpcResult<GetLinkDetailsOutput>> getLinkDetails(GetLinkDetailsInput input) {
 275         // TODO Auto-generated method stub
 276         return null;
 277     }
 278
 279     @Override
 280     public ListenableFuture<RpcResult<GetTopologyListOutput>> getTopologyList(GetTopologyListInput input) {
 281         // TODO Auto-generated method stub
 282         return null;
 283     }
 284
 285     private org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.topology.rev181210.topology.Node createTapiNode(List<
 286         String> tpList) {
 287         Name name = new NameBuilder().setValueName("node name").setValue("TAPI Ethernet Node").build();
 288         List<LayerProtocolName> layerProtocols = new ArrayList<>();
 289         layerProtocols.add(LayerProtocolName.ETH);
 290         Map<OwnedNodeEdgePointKey, OwnedNodeEdgePoint> onepl = new HashMap<>();
 291         for (int i = 0; i < tpList.size(); i++) {
 292             Name onedName = new NameBuilder().setValueName("OwnedNodeEdgePoint " + i).setValue(tpList.get(i)).build();
 293             OwnedNodeEdgePoint onep = new OwnedNodeEdgePointBuilder()
 294                 .setUuid(new Uuid(UUID.nameUUIDFromBytes(("OwnedNodeEdgePoint " + i).getBytes(Charset.forName("UTF-8")))
 295                     .toString()))
 296                 .setLayerProtocolName(LayerProtocolName.ETH).setMappedServiceInterfacePoint(createSIP(1))
 297                 .setLinkPortDirection(PortDirection.BIDIRECTIONAL).setLinkPortRole(PortRole.SYMMETRIC)
 298                 .setAdministrativeState(AdministrativeState.UNLOCKED).setOperationalState(OperationalState.ENABLED)
 299                 .setLifecycleState(LifecycleState.INSTALLED).setName(Map.of(onedName.key(), onedName))
 300                 .setTerminationDirection(
 301                     TerminationDirection.BIDIRECTIONAL).setTerminationState(TerminationState.TERMINATEDBIDIRECTIONAL)
 302                 .build();
 303             onepl.put(onep.key(), onep);
 304         }
 305
 306         return new NodeBuilder()
 307                 .setUuid(new Uuid(UUID.nameUUIDFromBytes(name.getValue().getBytes(Charset.forName("UTF-8")))
 308                     .toString()))
 309                 .setName(Map.of(name.key(), name)).setLayerProtocolName(layerProtocols)
 310                 .setAdministrativeState(AdministrativeState.UNLOCKED)
 311                 .setOperationalState(OperationalState.ENABLED)
 312                 .setLifecycleState(LifecycleState.INSTALLED)
 313                 .setOwnedNodeEdgePoint(onepl)
 314                 .build();
 315     }
 316
 317     private Map<MappedServiceInterfacePointKey, MappedServiceInterfacePoint> createSIP(int nb) {
 318         Map<MappedServiceInterfacePointKey, MappedServiceInterfacePoint> msipl = new HashMap<>();
 319         for (int i = 0; i < nb; i++) {
 320             MappedServiceInterfacePoint msip = new MappedServiceInterfacePointBuilder().setServiceInterfacePointUuid(
 321                 new Uuid(UUID.randomUUID().toString())).build();
 322             msipl.put(msip.key(), msip);
 323         }
 324         return msipl;
 325     }
 326
 327     private boolean checkTp(String nodeIdTopo, String nodeIdPortMap, TerminationPoint tp, List<Link> xpdOut, List<
 328         Link> xpdIn) {
 329         @Nullable
 330         String networkLcp = tp.augmentation(
 331             org.opendaylight.yang.gen.v1.http.transportpce.topology.rev200129.TerminationPoint1.class)
 332             .getAssociatedConnectionMapPort();
 333         @NonNull
 334         KeyedInstanceIdentifier<Mapping, MappingKey> pmIID = InstanceIdentifier.create(
 335             org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.portmapping.rev200827.Network.class)
 336             .child(Nodes.class, new NodesKey(nodeIdPortMap)).child(Mapping.class, new MappingKey(networkLcp));
 337         @NonNull
 338         FluentFuture<Optional<Mapping>> mappingOpt = dataBroker.newReadOnlyTransaction().read(
 339             LogicalDatastoreType.CONFIGURATION, pmIID);
 340         Mapping mapping = null;
 341         if (mappingOpt.isDone()) {
 342             try {
 343                 mapping = mappingOpt.get().get();
 344             } catch (InterruptedException | ExecutionException e) {
 345                 LOG.error("Error getting mapping for {}", networkLcp,e);
 346                 return false;
 347             }
 348         } else {
 349             LOG.error("Impossible to get mapping of associated network port {} of tp {}", networkLcp, tp.getTpId()
 350                 .getValue());
 351             return false;
 352         }
 353         String networkPortDirection = mapping.getPortDirection();
 354         long count = 0;
 355         switch (networkPortDirection) {
 356             case "bidirectional":
 357                 count += xpdOut.stream().filter(lk -> lk.getSource().getSourceNode().getValue().equals(nodeIdTopo) && lk
 358                     .getSource().getSourceTp().equals(networkLcp)).count();
 359                 count += xpdIn.stream().filter(lk -> lk.getDestination().getDestNode().getValue().equals(nodeIdTopo)
 360                     && lk.getDestination().getDestTp().equals(networkLcp)).count();
 361                 return (count == 2);
 362             case "tx":
 363             case "rx":
 364                 @Nullable
 365                 String partnerLcp = mapping.getPartnerLcp();
 366                 if (mapping.getPortQual().equals("tx")) {
 367                     count += xpdOut.stream().filter(lk -> lk.getSource().getSourceNode().getValue().equals(nodeIdTopo)
 368                         && lk.getSource().getSourceTp().equals(networkLcp)).count();
 369                     count += xpdIn.stream().filter(lk -> lk.getDestination().getDestNode().getValue().equals(nodeIdTopo)
 370                         && lk.getDestination().getDestTp().equals(partnerLcp)).count();
 371                 }
 372                 if (mapping.getPortQual().equals("rx")) {
 373                     count += xpdIn.stream().filter(lk -> lk.getDestination().getDestNode().getValue().equals(nodeIdTopo)
 374                         && lk.getDestination().getDestTp().equals(networkLcp)).count();
 375                     count += xpdOut.stream().filter(lk -> lk.getSource().getSourceNode().getValue().equals(nodeIdTopo)
 376                         && lk.getSource().getSourceTp().equals(partnerLcp)).count();
 377                 }
 378                 return (count == 2);
 379             default:
 380                 LOG.error("Invalid port direction for {}", networkLcp);
 381                 return false;
 382         }
 383     }
 384
 385 }