renderer/src/main/java/org/opendaylight/transportpce/renderer/provisiondevice/OtnDeviceRendererServiceImpl.java

   1 /*
   2  * Copyright © 2019 AT&T 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.renderer.provisiondevice;
   9
  10 import java.util.ArrayList;
  11 import java.util.Arrays;
  12 import java.util.HashMap;
  13 import java.util.LinkedList;
  14 import java.util.List;
  15 import java.util.Map;
  16 import java.util.Optional;
  17 import java.util.concurrent.ConcurrentLinkedQueue;
  18 import java.util.concurrent.CopyOnWriteArrayList;
  19 import java.util.concurrent.ExecutionException;
  20 import java.util.concurrent.ForkJoinPool;
  21 import java.util.concurrent.ForkJoinTask;
  22 import java.util.concurrent.atomic.AtomicBoolean;
  23 import org.opendaylight.transportpce.common.StringConstants;
  24 import org.opendaylight.transportpce.common.crossconnect.CrossConnect;
  25 import org.opendaylight.transportpce.common.device.DeviceTransactionManager;
  26 import org.opendaylight.transportpce.common.openroadminterfaces.OpenRoadmInterfaceException;
  27 import org.opendaylight.transportpce.common.openroadminterfaces.OpenRoadmInterfaces;
  28 import org.opendaylight.transportpce.networkmodel.service.NetworkModelService;
  29 import org.opendaylight.transportpce.renderer.openroadminterface.OpenRoadmInterfaceFactory;
  30 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.device.renderer.rev211004.OtnServicePathInput;
  31 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.device.renderer.rev211004.OtnServicePathOutput;
  32 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.device.renderer.rev211004.OtnServicePathOutputBuilder;
  33 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.device.renderer.rev211004.az.api.info.AEndApiInfo;
  34 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.device.renderer.rev211004.az.api.info.ZEndApiInfo;
  35 import org.opendaylight.yang.gen.v1.http.org.openroadm.otn.common.types.rev200327.OpucnTribSlotDef;
  36 import org.opendaylight.yang.gen.v1.http.org.transportpce.common.types.rev210618.link.tp.LinkTp;
  37 import org.opendaylight.yang.gen.v1.http.org.transportpce.common.types.rev210618.link.tp.LinkTpBuilder;
  38 import org.opendaylight.yang.gen.v1.http.org.transportpce.common.types.rev210618.node.interfaces.NodeInterface;
  39 import org.opendaylight.yang.gen.v1.http.org.transportpce.common.types.rev210618.node.interfaces.NodeInterfaceBuilder;
  40 import org.opendaylight.yang.gen.v1.http.org.transportpce.common.types.rev210618.node.interfaces.NodeInterfaceKey;
  41 import org.opendaylight.yang.gen.v1.http.org.transportpce.common.types.rev210618.otn.renderer.nodes.Nodes;
  42 import org.slf4j.Logger;
  43 import org.slf4j.LoggerFactory;
  44
  45
  46 public class OtnDeviceRendererServiceImpl implements OtnDeviceRendererService {
  47     private static final Logger LOG = LoggerFactory.getLogger(OtnDeviceRendererServiceImpl.class);
  48     private static final String PT_03 = "03";
  49     private static final String PT_07 = "07";
  50     private final OpenRoadmInterfaceFactory openRoadmInterfaceFactory;
  51     private final CrossConnect crossConnect;
  52     private final OpenRoadmInterfaces openRoadmInterfaces;
  53     private final DeviceTransactionManager deviceTransactionManager;
  54     private final NetworkModelService networkModelService;
  55
  56     public OtnDeviceRendererServiceImpl(OpenRoadmInterfaceFactory openRoadmInterfaceFactory, CrossConnect crossConnect,
  57                                         OpenRoadmInterfaces openRoadmInterfaces,
  58                                         DeviceTransactionManager deviceTransactionManager,
  59                                         NetworkModelService networkModelService) {
  60         this.openRoadmInterfaceFactory = openRoadmInterfaceFactory;
  61         this.crossConnect = crossConnect;
  62         this.openRoadmInterfaces = openRoadmInterfaces;
  63         this.deviceTransactionManager = deviceTransactionManager;
  64         this.networkModelService = networkModelService;
  65     }
  66
  67 //TODO Align log messages and returned results messages
  68     @Override
  69     public OtnServicePathOutput setupOtnServicePath(OtnServicePathInput input, String serviceType) {
  70         LOG.info("Calling setup otn-service path");
  71         if (input.getServiceFormat() == null || input.getServiceRate() == null) {
  72             return new OtnServicePathOutputBuilder()
  73                 .setSuccess(false)
  74                 .setResult("Error - service-type and service-rate must be present")
  75                 .build();
  76         }
  77         List<NodeInterface> nodeInterfaces = new ArrayList<>();
  78         CopyOnWriteArrayList<LinkTp> otnLinkTps = new CopyOnWriteArrayList<>();
  79         try {
  80             switch (serviceType) {
  81                 case StringConstants.SERVICE_TYPE_1GE:
  82                 case StringConstants.SERVICE_TYPE_10GE:
  83                 case StringConstants.SERVICE_TYPE_100GE_M:
  84                     LOG.info("Calling Node interfaces {} {} {} {} {} {} {}",
  85                         input.getServiceRate(), input.getEthernetEncoding(),
  86                         input.getServiceFormat(), input.getOperation(), input.getTribPortNumber(),
  87                         input.getTribSlot(), input.getNodes());
  88                     if (input.getNodes() != null) {
  89                         createLowOrderInterfaces(input, nodeInterfaces, otnLinkTps);
  90                         LOG.info("Node interfaces created just fine ");
  91                     }
  92                     break;
  93                 case StringConstants.SERVICE_TYPE_ODU4:
  94                     createHighOrderInterfaces(input, nodeInterfaces, otnLinkTps);
  95                     break;
  96                 case StringConstants.SERVICE_TYPE_ODUC4:
  97                     createOduc4TtpInterface(input, nodeInterfaces, otnLinkTps);
  98                     break;
  99                 case StringConstants.SERVICE_TYPE_100GE_S:
 100                     LOG.info("Calling Node interface for service-type {}", serviceType);
 101                     if (input.getNodes() != null) {
 102                         createHighOrderInterfaces(input, nodeInterfaces, otnLinkTps);
 103                         LOG.info("Node interfaces created");
 104                     }
 105                     break;
 106                 default:
 107                     LOG.error("Service-type {} not managed yet", serviceType);
 108                     return new OtnServicePathOutputBuilder()
 109                         .setSuccess(false)
 110                         .setResult("Service-type not managed")
 111                         .build();
 112             }
 113         } catch (OpenRoadmInterfaceException e) {
 114             LOG.warn("Service path set-up failed", e);
 115             Map<NodeInterfaceKey,NodeInterface> nodeInterfacesMap = new HashMap<>();
 116             for (NodeInterface nodeInterface : nodeInterfaces) {
 117                 if (nodeInterface != null) {
 118                     nodeInterfacesMap.put(nodeInterface.key(), nodeInterface);
 119                 }
 120             }
 121             //TODO check if we need to set a NodeInterface Map in the result in that case
 122             return new OtnServicePathOutputBuilder()
 123                     .setSuccess(false)
 124                     .setNodeInterface(nodeInterfacesMap)
 125                     .setResult("Service path set-up failed")
 126                     .setLinkTp(otnLinkTps)
 127                     .build();
 128         }
 129         LOG.info("Service path set-up succeed");
 130         List<String> results = new ArrayList<>();
 131         Map<NodeInterfaceKey,NodeInterface> nodeInterfacesMap = new HashMap<>();
 132         for (NodeInterface nodeInterface : nodeInterfaces) {
 133             if (nodeInterface != null) {
 134                 results.add("Otn Service path was set up successfully for node :" + nodeInterface.getNodeId());
 135                 nodeInterfacesMap.put(nodeInterface.key(), nodeInterface);
 136             }
 137         }
 138         return new OtnServicePathOutputBuilder()
 139                 .setSuccess(true)
 140                 .setNodeInterface(nodeInterfacesMap)
 141                 .setResult(String.join("\n", results))
 142                 .setLinkTp(otnLinkTps)
 143                 .build();
 144     }
 145
 146     @SuppressWarnings("rawtypes")
 147     // FIXME check if the ForkJoinTask raw type can be avoided
 148     // Raw types use are discouraged since they lack type safety.
 149     // Resulting Problems are observed at run time and not at compile time
 150     public OtnServicePathOutput deleteOtnServicePath(OtnServicePathInput input, String serviceType) {
 151         if (input.getNodes() == null) {
 152             LOG.error("Unable to delete otn service path. input nodes = null");
 153             return new OtnServicePathOutputBuilder()
 154                 .setResult("Unable to delete otn service path. input nodes = null")
 155                 .setSuccess(false)
 156                 .build();
 157         }
 158         List<Nodes> nodes = input.getNodes();
 159         AtomicBoolean success = new AtomicBoolean(true);
 160         ConcurrentLinkedQueue<String> results = new ConcurrentLinkedQueue<>();
 161         CopyOnWriteArrayList<LinkTp> otnLinkTps = new CopyOnWriteArrayList<>();
 162         ForkJoinPool forkJoinPool = new ForkJoinPool();
 163         ForkJoinTask forkJoinTask = forkJoinPool.submit(() -> nodes.parallelStream().forEach(node -> {
 164             String nodeId = node.getNodeId();
 165             LOG.info("Deleting service setup on node {}", nodeId);
 166             String networkTp = node.getNetworkTp();
 167             if (networkTp == null || input.getServiceRate() == null || input.getServiceFormat() == null) {
 168                 LOG.error("destination ({}) or service-rate ({}) or service-format ({}) is null.",
 169                     networkTp, input.getServiceRate(), input.getServiceFormat());
 170                 return;
 171             }
 172             if (!this.deviceTransactionManager.isDeviceMounted(nodeId)) {
 173                 String result = nodeId + " is not mounted on the controller";
 174                 results.add(result);
 175                 success.set(false);
 176                 LOG.warn(result);
 177                 forkJoinPool.shutdown();
 178                 return;
 179                 // TODO should deletion end here?
 180             }
 181             // if the node is currently mounted then proceed.
 182             List<String> interfacesToDelete = new LinkedList<>();
 183             String connectionNumber = "";
 184             switch (serviceType) {
 185                 case StringConstants.SERVICE_TYPE_100GE_S:
 186                     connectionNumber = getConnectionNumber(null, node, networkTp, "ODU4");
 187                     break;
 188                 case StringConstants.SERVICE_TYPE_100GE_M:
 189                     connectionNumber = getConnectionNumber(input.getServiceName(), node, networkTp, "ODU4");
 190                     otnLinkTps.add(new LinkTpBuilder()
 191                         .setNodeId(nodeId)
 192                         .setTpId(networkTp)
 193                         .build());
 194                     break;
 195                 case StringConstants.SERVICE_TYPE_ODU4:
 196                     if (node.getClientTp() == null && node.getNetwork2Tp() == null) {
 197                         interfacesToDelete.add(networkTp + "-ODU4");
 198                         otnLinkTps.add(new LinkTpBuilder()
 199                             .setNodeId(nodeId)
 200                             .setTpId(networkTp)
 201                             .build());
 202                     }
 203                     if (node.getClientTp() == null && node.getNetwork2Tp() != null) {
 204                         interfacesToDelete.add(networkTp + "-ODU4");
 205                         interfacesToDelete.add(node.getNetwork2Tp() + "-ODU4");
 206                         connectionNumber = getConnectionNumber(null, node, networkTp, "ODU4");
 207                     }
 208                     break;
 209                 case StringConstants.SERVICE_TYPE_ODUC4:
 210                     if (node.getClientTp() == null && node.getNetwork2Tp() == null) {
 211                         interfacesToDelete.add(networkTp + "-ODUC4");
 212                         otnLinkTps.add(new LinkTpBuilder()
 213                             .setNodeId(nodeId)
 214                             .setTpId(networkTp)
 215                             .build());
 216                     }
 217                     if (node.getClientTp() == null && node.getNetwork2Tp() != null) {
 218                         interfacesToDelete.add(networkTp + "-ODUC4");
 219                         interfacesToDelete.add(node.getNetwork2Tp() + "-ODUC4");
 220                         connectionNumber = getConnectionNumber(null, node, networkTp, "ODUC4");
 221                     }
 222                     break;
 223                 case StringConstants.SERVICE_TYPE_10GE:
 224                     connectionNumber = getConnectionNumber(input.getServiceName(), node, networkTp, "ODU2e");
 225                     otnLinkTps.add(new LinkTpBuilder()
 226                         .setNodeId(nodeId)
 227                         .setTpId(networkTp)
 228                         .build());
 229                     break;
 230                 case StringConstants.SERVICE_TYPE_1GE:
 231                     connectionNumber = getConnectionNumber(input.getServiceName(), node, networkTp, "ODU0");
 232                     otnLinkTps.add(new LinkTpBuilder()
 233                         .setNodeId(nodeId)
 234                         .setTpId(networkTp)
 235                         .build());
 236                     break;
 237                 default:
 238                     LOG.error("service-type {} not managed yet", serviceType);
 239                     String result = serviceType + " is not supported";
 240                     results.add(result);
 241                     success.set(false);
 242                     return;
 243             }
 244             List<String> intToDelete = this.crossConnect.deleteCrossConnect(nodeId, connectionNumber, true);
 245             for (String interf : intToDelete == null ? new ArrayList<String>() : intToDelete) {
 246                 if (!this.openRoadmInterfaceFactory.isUsedByOtnXc(nodeId, interf, connectionNumber,
 247                         this.deviceTransactionManager)) {
 248                     interfacesToDelete.add(interf);
 249                     String supportedInterface = this.openRoadmInterfaces.getSupportedInterface(nodeId, interf);
 250                     if (supportedInterface == null) {
 251                         continue;
 252                     }
 253                     if ((input.getServiceRate().intValue() == 100 && !supportedInterface.contains("ODUC4"))
 254                         || (input.getServiceRate().intValue() != 100 && !supportedInterface.contains("ODU4"))) {
 255                         interfacesToDelete.add(supportedInterface);
 256                     }
 257                 }
 258             }
 259
 260             for (String interfaceId : interfacesToDelete) {
 261                 try {
 262                     this.openRoadmInterfaces.deleteInterface(nodeId, interfaceId);
 263                 } catch (OpenRoadmInterfaceException e) {
 264                     String result = String.format("Failed to delete interface %s on node %s!", interfaceId, nodeId);
 265                     success.set(false);
 266                     LOG.error(result, e);
 267                     results.add(result);
 268                 }
 269             }
 270         }));
 271         try {
 272             forkJoinTask.get();
 273         } catch (InterruptedException | ExecutionException e) {
 274             LOG.error("Error while deleting service paths!", e);
 275             return new OtnServicePathOutputBuilder()
 276                 .setResult("Error while deleting service paths!")
 277                 .setSuccess(false)
 278                 .build();
 279         }
 280         forkJoinPool.shutdown();
 281         return new OtnServicePathOutputBuilder()
 282                 .setSuccess(success.get())
 283                 .setLinkTp(otnLinkTps)
 284                 .setResult(
 285                     results.isEmpty()
 286                         ? "Request processed"
 287                         : String.join("\n", results))
 288                 .build();
 289     }
 290
 291     private String getConnectionNumber(String serviceName, Nodes node, String networkTp, String oduType) {
 292         List<String> list1 = new ArrayList<>();
 293         List<String> list2 = new ArrayList<>(Arrays.asList("x"));
 294         if (node.getClientTp() != null) {
 295             list1.addAll(Arrays.asList(node.getClientTp(), oduType));
 296             list2.addAll(Arrays.asList(networkTp, oduType));
 297         } else if (node.getNetwork2Tp() != null) {
 298             list1.addAll(Arrays.asList(networkTp, oduType));
 299             list2.addAll(Arrays.asList(node.getNetwork2Tp(), oduType));
 300         } else {
 301             return "";
 302         }
 303         if (serviceName != null) {
 304             list1.add(serviceName);
 305             list2.add(serviceName);
 306         }
 307         list1.addAll(list2);
 308         return String.join("-", list1);
 309     }
 310
 311     private Optional<String> postCrossConnect(List<String> createdOduInterfaces, Nodes node)
 312             throws OpenRoadmInterfaceException {
 313         return this.crossConnect.postOtnCrossConnect(createdOduInterfaces, node);
 314     }
 315
 316     private void createLowOrderInterfaces(OtnServicePathInput input, List<NodeInterface> nodeInterfaces,
 317             CopyOnWriteArrayList<LinkTp> linkTpList) throws OpenRoadmInterfaceException {
 318         for (Nodes node : input.getNodes()) {
 319             AEndApiInfo apiInfoA = null;
 320             ZEndApiInfo apiInfoZ = null;
 321             if (input.getAEndApiInfo() != null && input.getAEndApiInfo().getNodeId().contains(node.getNodeId())) {
 322                 apiInfoA = input.getAEndApiInfo();
 323             }
 324             if (input.getZEndApiInfo() != null && input.getZEndApiInfo().getNodeId().contains(node.getNodeId())) {
 325                 apiInfoZ = input.getZEndApiInfo();
 326             }
 327             // check if the node is mounted or not?
 328             List<String> createdEthInterfaces = new ArrayList<>();
 329             List<String> createdOduInterfaces = new ArrayList<>();
 330             switch (input.getServiceRate().intValue()) {
 331                 case 1:
 332                     LOG.info("Input service is 1G");
 333                     if (node.getClientTp() != null) {
 334                         createdEthInterfaces.add(
 335                             openRoadmInterfaceFactory.createOpenRoadmEth1GInterface(node.getNodeId(),
 336                                 node.getClientTp()));
 337                         createdOduInterfaces.add(
 338                             // suppporting interface?, payload ?
 339                             openRoadmInterfaceFactory.createOpenRoadmOdu0Interface(node.getNodeId(), node.getClientTp(),
 340                                 input.getServiceName(), PT_07, false, input.getTribPortNumber(), input.getTribSlot()));
 341                     }
 342                     createdOduInterfaces.add(
 343                         openRoadmInterfaceFactory.createOpenRoadmOdu0Interface(node.getNodeId(), node.getNetworkTp(),
 344                             input.getServiceName(), PT_07, true, input.getTribPortNumber(), input.getTribSlot()));
 345                     linkTpList.add(
 346                         new LinkTpBuilder().setNodeId(node.getNodeId()).setTpId(node.getNetworkTp()).build());
 347                     if (node.getNetwork2Tp() != null) {
 348                         createdOduInterfaces.add(
 349                             // supporting interface? payload ?
 350                             openRoadmInterfaceFactory.createOpenRoadmOdu0Interface(node.getNodeId(),
 351                                 node.getNetwork2Tp(), input.getServiceName(), PT_07, true, input.getTribPortNumber(),
 352                                 input.getTribSlot()));
 353                         linkTpList.add(
 354                             new LinkTpBuilder().setNodeId(node.getNodeId()).setTpId(node.getNetworkTp()).build());
 355                     }
 356                     break;
 357                 case 10:
 358                     LOG.info("Input service is 10G");
 359                     if (node.getClientTp() != null) {
 360                         createdEthInterfaces.add(openRoadmInterfaceFactory.createOpenRoadmEth10GInterface(
 361                             node.getNodeId(), node.getClientTp()));
 362                         createdOduInterfaces.add(
 363                             // suppporting interface?, payload ?
 364                             openRoadmInterfaceFactory.createOpenRoadmOdu2eInterface(node.getNodeId(),
 365                                 node.getClientTp(), input.getServiceName(), false, input.getTribPortNumber(),
 366                                 input.getTribSlot(), apiInfoA, apiInfoZ));
 367                     }
 368                     createdOduInterfaces.add(
 369                         // supporting interface? payload ?
 370                         openRoadmInterfaceFactory.createOpenRoadmOdu2eInterface(node.getNodeId(), node.getNetworkTp(),
 371                             input.getServiceName(), true, input.getTribPortNumber(), input.getTribSlot(), apiInfoA,
 372                             apiInfoZ));
 373                     linkTpList.add(
 374                         new LinkTpBuilder().setNodeId(node.getNodeId()).setTpId(node.getNetworkTp()).build());
 375                     if (node.getNetwork2Tp() != null) {
 376                         createdOduInterfaces.add(
 377                             // supporting interface? payload ?
 378                             openRoadmInterfaceFactory.createOpenRoadmOdu2eInterface(node.getNodeId(),
 379                                 node.getNetwork2Tp(), input.getServiceName(), true, input.getTribPortNumber(),
 380                                 input.getTribSlot(), apiInfoA, apiInfoZ));
 381                         linkTpList.add(
 382                             new LinkTpBuilder().setNodeId(node.getNodeId()).setTpId(node.getNetworkTp()).build());
 383                     }
 384                     break;
 385                 case 100:
 386                     LOG.info("Input service is 100G");
 387                     // Take the first and last value in the list of OpucnTribSlot (assuming SH would provide
 388                     // min and max value only, size two)
 389                     OpucnTribSlotDef minOpucnTs = OpucnTribSlotDef.getDefaultInstance(
 390                         input.getOpucnTribSlots().get(0).getValue());
 391                     OpucnTribSlotDef maxOpucnTs = OpucnTribSlotDef.getDefaultInstance(
 392                         input.getOpucnTribSlots().get(1).getValue());
 393                     if (node.getClientTp() != null) {
 394                         createdEthInterfaces.add(openRoadmInterfaceFactory.createOpenRoadmEth100GInterface(
 395                             node.getNodeId(), node.getClientTp()));
 396                         // OPUCn trib information is optional when creating ODU4 ethernet (client) interface
 397                         createdOduInterfaces.add(
 398                             openRoadmInterfaceFactory.createOpenRoadmOtnOdu4LoInterface(node.getNodeId(),
 399                             node.getClientTp(), input.getServiceName(), PT_07, false, minOpucnTs,
 400                                 maxOpucnTs));
 401                     }
 402                     // Here payload-type is optional and is not used for interface creation (especially for network)
 403                     createdOduInterfaces.add(
 404                         openRoadmInterfaceFactory.createOpenRoadmOtnOdu4LoInterface(node.getNodeId(),
 405                             node.getNetworkTp(), input.getServiceName(), PT_07, true, minOpucnTs,
 406                             maxOpucnTs));
 407                     linkTpList.add(
 408                         new LinkTpBuilder().setNodeId(node.getNodeId()).setTpId(node.getNetworkTp()).build());
 409                     // Here payload-type is optional and is not used for service creation
 410                     // This is needed if there is an intermediate node
 411                     if (node.getNetwork2Tp() != null) {
 412                         createdOduInterfaces.add(
 413                             openRoadmInterfaceFactory.createOpenRoadmOtnOdu4LoInterface(node.getNodeId(),
 414                                 node.getNetwork2Tp(), input.getServiceName(), PT_07, true, minOpucnTs,
 415                                 maxOpucnTs));
 416                         linkTpList.add(
 417                             new LinkTpBuilder().setNodeId(node.getNodeId()).setTpId(node.getNetworkTp()).build());
 418                     }
 419                     break;
 420                 default:
 421                     LOG.error("service rate {} not managed yet", input.getServiceRate());
 422                     return;
 423             }
 424
 425             // implement cross connect
 426             List<String> createdConnections = new ArrayList<>();
 427             if (!createdOduInterfaces.isEmpty()) {
 428                 Optional<String> connectionNameOpt = postCrossConnect(createdOduInterfaces, node);
 429                 createdConnections.add(connectionNameOpt.get());
 430                 LOG.info("Created cross connects");
 431             }
 432             nodeInterfaces.add(new NodeInterfaceBuilder()
 433                     .withKey(new NodeInterfaceKey(node.getNodeId()))
 434                     .setNodeId(node.getNodeId())
 435                     .setConnectionId(createdConnections)
 436                     .setEthInterfaceId(createdEthInterfaces)
 437                     .setOduInterfaceId(createdOduInterfaces)
 438                     .build());
 439         }
 440     }
 441
 442     private void createHighOrderInterfaces(OtnServicePathInput input, List<NodeInterface> nodeInterfaces,
 443             CopyOnWriteArrayList<LinkTp> linkTpList) throws OpenRoadmInterfaceException {
 444         for (Nodes node : input.nonnullNodes()) {
 445             AEndApiInfo apiInfoA = null;
 446             ZEndApiInfo apiInfoZ = null;
 447             if (input.getAEndApiInfo() != null && input.getAEndApiInfo().getNodeId().contains(node.getNodeId())) {
 448                 apiInfoA = input.getAEndApiInfo();
 449             }
 450             if (input.getZEndApiInfo() != null && input.getZEndApiInfo().getNodeId().contains(node.getNodeId())) {
 451                 apiInfoZ = input.getZEndApiInfo();
 452             }
 453             // check if the node is mounted or not?
 454             List<String> createdEthInterfaces = new ArrayList<>();
 455             List<String> createdOduInterfaces = new ArrayList<>();
 456             switch (input.getServiceRate().intValue()) {
 457                 case 100:
 458                     LOG.info("Input service is 100G");
 459                     if (node.getClientTp() != null && node.getNetwork2Tp() == null) {
 460                         createdEthInterfaces.add(openRoadmInterfaceFactory.createOpenRoadmEth100GInterface(
 461                             node.getNodeId(), node.getClientTp()));
 462                         createdOduInterfaces.add(openRoadmInterfaceFactory.createOpenRoadmOdu4HOInterface(
 463                                 node.getNodeId(), node.getClientTp(), false, apiInfoA, apiInfoZ, "21"));
 464                         // supporting interface? payload ?
 465                         createdOduInterfaces.add(openRoadmInterfaceFactory.createOpenRoadmOdu4HOInterface(
 466                                 node.getNodeId(), node.getNetworkTp(), true, null, null, "21"));
 467                         linkTpList.add(new LinkTpBuilder().setNodeId(node.getNodeId()).setTpId(node.getClientTp())
 468                                 .build());
 469                     }
 470                     if (node.getClientTp() == null && node.getNetwork2Tp() == null) {
 471                         createdOduInterfaces.add(openRoadmInterfaceFactory.createOpenRoadmOdu4HOInterface(
 472                             node.getNodeId(), node.getNetworkTp(), false, apiInfoA, apiInfoZ, "21"));
 473                         linkTpList.add(new LinkTpBuilder().setNodeId(node.getNodeId()).setTpId(node.getNetworkTp())
 474                             .build());
 475                     }
 476                     if (node.getClientTp() == null && node.getNetwork2Tp() != null) {
 477                         // supporting interface? payload ?
 478                         createdOduInterfaces.add(openRoadmInterfaceFactory.createOpenRoadmOdu4HOInterface(
 479                             node.getNodeId(), node.getNetworkTp(), true, null, null, "21"));
 480                         createdOduInterfaces.add(openRoadmInterfaceFactory.createOpenRoadmOdu4HOInterface(
 481                                 node.getNodeId(), node.getNetwork2Tp(), true, null, null, "21"));
 482                     }
 483                     break;
 484                 default:
 485                     LOG.error("service rate {} not managed yet", input.getServiceRate());
 486                     return;
 487             }
 488
 489             // implement cross connect
 490             List<String> createdConnections = new ArrayList<>();
 491             if (createdOduInterfaces.size() == 2) {
 492                 Optional<String> connectionNameOpt = postCrossConnect(createdOduInterfaces, node);
 493                 createdConnections.add(connectionNameOpt.get());
 494                 LOG.info("Created cross connects");
 495             }
 496             nodeInterfaces.add(new NodeInterfaceBuilder()
 497                     .withKey(new NodeInterfaceKey(node.getNodeId()))
 498                     .setNodeId(node.getNodeId())
 499                     .setConnectionId(createdConnections)
 500                     .setEthInterfaceId(createdEthInterfaces)
 501                     .setOduInterfaceId(createdOduInterfaces)
 502                     .build());
 503         }
 504     }
 505
 506     private void createOduc4TtpInterface(OtnServicePathInput input, List<NodeInterface> nodeInterfaces,
 507         CopyOnWriteArrayList<LinkTp> linkTpList) throws OpenRoadmInterfaceException {
 508         if (input.getNodes() == null) {
 509             return;
 510         }
 511         LOG.info("Creation of ODUC4 TTP interface in OTN service path {}", input);
 512         for (int i = 0; i < input.getNodes().size(); i++) {
 513             Nodes node = input.getNodes().get(i);
 514             String supportingOtuInterface = node.getNetworkTp() + "-OTUC4";
 515
 516             Nodes tgtNode =
 517                 i + 1 == input.getNodes().size()
 518                 // For the end node, tgtNode becomes the first node in the list
 519                     ? input.getNodes().get(0)
 520                     : input.getNodes().get(i + 1);
 521
 522             nodeInterfaces.add(new NodeInterfaceBuilder()
 523                     .withKey(new NodeInterfaceKey(node.getNodeId()))
 524                     .setNodeId(node.getNodeId())
 525                     .setOduInterfaceId(List.of(
 526                         // though this is odu, actually it has ODUC4 interfaces
 527                         openRoadmInterfaceFactory.createOpenRoadmOtnOduc4Interface(node.getNodeId(),
 528                             node.getNetworkTp(), supportingOtuInterface, tgtNode.getNodeId(), tgtNode.getNetworkTp())))
 529                     .build());
 530             linkTpList.add(new LinkTpBuilder().setNodeId(node.getNodeId()).setTpId(node.getNetworkTp()).build());
 531         }
 532     }
 533 }