networkmodel/src/main/java/org/opendaylight/transportpce/networkmodel/service/NetworkModelServiceImpl.java

   1 /*
   2  * Copyright © 2016 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.networkmodel.service;
   9
  10 import com.google.common.util.concurrent.ListenableFuture;
  11 import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
  12 import java.util.ArrayList;
  13 import java.util.HashMap;
  14 import java.util.List;
  15 import java.util.Map;
  16 import java.util.Optional;
  17 import java.util.concurrent.ExecutionException;
  18 import java.util.concurrent.TimeUnit;
  19 import java.util.concurrent.TimeoutException;
  20 import java.util.stream.Collectors;
  21 import org.eclipse.jdt.annotation.Nullable;
  22 import org.opendaylight.mdsal.binding.api.NotificationPublishService;
  23 import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
  24 import org.opendaylight.transportpce.common.InstanceIdentifiers;
  25 import org.opendaylight.transportpce.common.NetworkUtils;
  26 import org.opendaylight.transportpce.common.mapping.PortMapping;
  27 import org.opendaylight.transportpce.common.network.NetworkTransactionService;
  28 import org.opendaylight.transportpce.networkmodel.R2RLinkDiscovery;
  29 import org.opendaylight.transportpce.networkmodel.dto.TopologyShard;
  30 import org.opendaylight.transportpce.networkmodel.util.ClliNetwork;
  31 import org.opendaylight.transportpce.networkmodel.util.LinkIdUtil;
  32 import org.opendaylight.transportpce.networkmodel.util.OpenRoadmNetwork;
  33 import org.opendaylight.transportpce.networkmodel.util.OpenRoadmOtnTopology;
  34 import org.opendaylight.transportpce.networkmodel.util.OpenRoadmTopology;
  35 import org.opendaylight.transportpce.networkmodel.util.TopologyUtils;
  36 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.networkmodel.rev201116.TopologyUpdateResult;
  37 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.networkmodel.rev201116.TopologyUpdateResultBuilder;
  38 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.networkmodel.rev201116.topology.update.result.TopologyChanges;
  39 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.networkmodel.rev201116.topology.update.result.TopologyChangesBuilder;
  40 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.networkmodel.rev201116.topology.update.result.TopologyChangesKey;
  41 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.portmapping.rev220114.OpenroadmNodeVersion;
  42 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.portmapping.rev220114.mapping.Mapping;
  43 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.portmapping.rev220114.network.nodes.NodeInfo;
  44 import org.opendaylight.yang.gen.v1.http.org.openroadm.device.types.rev191129.NodeTypes;
  45 import org.opendaylight.yang.gen.v1.http.org.openroadm.otn.network.topology.rev200529.Link1;
  46 import org.opendaylight.yang.gen.v1.http.org.openroadm.otn.network.topology.rev200529.TerminationPoint1;
  47 import org.opendaylight.yang.gen.v1.http.org.transportpce.common.types.rev210930.link.tp.LinkTp;
  48 import org.opendaylight.yang.gen.v1.http.org.transportpce.common.types.rev210930.link.tp.LinkTpBuilder;
  49 import org.opendaylight.yang.gen.v1.http.transportpce.topology.rev220123.OtnLinkType;
  50 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.rev180226.NetworkId;
  51 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.rev180226.Networks;
  52 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.rev180226.NodeId;
  53 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.rev180226.networks.Network;
  54 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.rev180226.networks.NetworkKey;
  55 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.rev180226.networks.network.Node;
  56 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.rev180226.networks.network.NodeKey;
  57 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.topology.rev180226.LinkId;
  58 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.topology.rev180226.Network1;
  59 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.topology.rev180226.Node1;
  60 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.topology.rev180226.TpId;
  61 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.topology.rev180226.networks.network.Link;
  62 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.topology.rev180226.networks.network.LinkKey;
  63 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.topology.rev180226.networks.network.node.TerminationPoint;
  64 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.topology.rev180226.networks.network.node.TerminationPointKey;
  65 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.topology.rev180226.networks.network.node.termination.point.SupportingTerminationPoint;
  66 import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.node.topology.rev150114.NetconfNodeConnectionStatus;
  67 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  68 import org.opendaylight.yangtools.yang.common.Uint32;
  69 import org.slf4j.Logger;
  70 import org.slf4j.LoggerFactory;
  71
  72 public class NetworkModelServiceImpl implements NetworkModelService {
  73
  74     private static final Logger LOG = LoggerFactory.getLogger(NetworkModelServiceImpl.class);
  75
  76     private NetworkTransactionService networkTransactionService;
  77     private final R2RLinkDiscovery linkDiscovery;
  78     private final PortMapping portMapping;
  79     private Map<String, TopologyShard> topologyShardMountedDevice;
  80     private Map<String, TopologyShard> otnTopologyShardMountedDevice;
  81     // Variables for creating and sending topology update notification
  82     private final NotificationPublishService notificationPublishService;
  83     private Map<TopologyChangesKey, TopologyChanges> topologyChanges;
  84     private TopologyUpdateResult notification = null;
  85
  86     public NetworkModelServiceImpl(final NetworkTransactionService networkTransactionService,
  87             final R2RLinkDiscovery linkDiscovery, PortMapping portMapping,
  88             final NotificationPublishService notificationPublishService) {
  89
  90         this.networkTransactionService = networkTransactionService;
  91         this.linkDiscovery = linkDiscovery;
  92         this.portMapping = portMapping;
  93         this.topologyShardMountedDevice = new HashMap<String, TopologyShard>();
  94         this.otnTopologyShardMountedDevice = new HashMap<String, TopologyShard>();
  95         this.notificationPublishService = notificationPublishService;
  96         this.topologyChanges = new HashMap<TopologyChangesKey, TopologyChanges>();
  97     }
  98
  99     public void init() {
 100         LOG.info("init ...");
 101     }
 102
 103     public void close() {
 104     }
 105
 106     @Override
 107     public void createOpenRoadmNode(String nodeId, String openRoadmVersion) {
 108         try {
 109             LOG.info("createOpenROADMNode: {} ", nodeId);
 110
 111             if (!portMapping.createMappingData(nodeId, openRoadmVersion)) {
 112                 LOG.warn("Could not generate port mapping for {} skipping network model creation", nodeId);
 113                 return;
 114             }
 115             NodeInfo nodeInfo = portMapping.getNode(nodeId).getNodeInfo();
 116             // node creation in clli-network
 117             Node clliNode = ClliNetwork.createNode(nodeId, nodeInfo);
 118             InstanceIdentifier<Node> iiClliNode = InstanceIdentifier.builder(Networks.class)
 119                 .child(Network.class, new NetworkKey(new NetworkId(NetworkUtils.CLLI_NETWORK_ID)))
 120                 .child(Node.class, clliNode.key())
 121                 .build();
 122             LOG.info("creating node in {}", NetworkUtils.CLLI_NETWORK_ID);
 123             networkTransactionService.merge(LogicalDatastoreType.CONFIGURATION, iiClliNode, clliNode);
 124
 125             // node creation in openroadm-network
 126             Node openroadmNetworkNode = OpenRoadmNetwork.createNode(nodeId, nodeInfo);
 127             InstanceIdentifier<Node> iiopenroadmNetworkNode = InstanceIdentifier.builder(Networks.class)
 128                 .child(Network.class, new NetworkKey(new NetworkId(NetworkUtils.UNDERLAY_NETWORK_ID)))
 129                 .child(Node.class, openroadmNetworkNode.key())
 130                 .build();
 131             LOG.info("creating node in {}", NetworkUtils.UNDERLAY_NETWORK_ID);
 132             networkTransactionService.merge(LogicalDatastoreType.CONFIGURATION, iiopenroadmNetworkNode,
 133                 openroadmNetworkNode);
 134
 135             // nodes/links creation in openroadm-topology
 136             TopologyShard topologyShard = OpenRoadmTopology.createTopologyShard(portMapping.getNode(nodeId));
 137             if (topologyShard != null) {
 138                 this.topologyShardMountedDevice.put(nodeId, topologyShard);
 139                 for (Node openRoadmTopologyNode : topologyShard.getNodes()) {
 140                     LOG.info("creating node {} in {}", openRoadmTopologyNode.getNodeId().getValue(),
 141                         NetworkUtils.OVERLAY_NETWORK_ID);
 142                     InstanceIdentifier<Node> iiOpenRoadmTopologyNode = InstanceIdentifier.builder(Networks.class)
 143                         .child(Network.class, new NetworkKey(new NetworkId(NetworkUtils.OVERLAY_NETWORK_ID)))
 144                         .child(Node.class, openRoadmTopologyNode.key())
 145                         .build();
 146                     networkTransactionService.merge(LogicalDatastoreType.CONFIGURATION, iiOpenRoadmTopologyNode,
 147                         openRoadmTopologyNode);
 148                 }
 149                 for (Link openRoadmTopologyLink : topologyShard.getLinks()) {
 150                     LOG.info("creating link {} in {}", openRoadmTopologyLink.getLinkId().getValue(),
 151                         NetworkUtils.OVERLAY_NETWORK_ID);
 152                     InstanceIdentifier<Link> iiOpenRoadmTopologyLink = InstanceIdentifier.builder(Networks.class)
 153                         .child(Network.class, new NetworkKey(new NetworkId(NetworkUtils.OVERLAY_NETWORK_ID)))
 154                         .augmentation(Network1.class)
 155                         .child(Link.class, openRoadmTopologyLink.key())
 156                         .build();
 157                     networkTransactionService.merge(LogicalDatastoreType.CONFIGURATION, iiOpenRoadmTopologyLink,
 158                         openRoadmTopologyLink);
 159                 }
 160             } else {
 161                 LOG.error("Unable to create openroadm-topology shard for node {}!", nodeId);
 162             }
 163             // nodes/links creation in otn-topology
 164             if (nodeInfo.getNodeType().getIntValue() == 2 && (nodeInfo.getOpenroadmVersion().getIntValue() != 1)) {
 165                 createOpenRoadmOtnNode(nodeId);
 166             }
 167             networkTransactionService.commit().get();
 168             // neighbour links through LLDP
 169             if (nodeInfo.getNodeType().getIntValue() == 1) {
 170                 this.linkDiscovery.readLLDP(new NodeId(nodeId), openRoadmVersion);
 171             }
 172             LOG.info("all nodes and links created");
 173         } catch (InterruptedException | ExecutionException e) {
 174             LOG.error("ERROR: ", e);
 175         }
 176     }
 177
 178     @Override
 179     public void setOpenRoadmNodeStatus(String nodeId, NetconfNodeConnectionStatus.ConnectionStatus connectionStatus) {
 180         LOG.info("setOpenROADMNodeStatus: {} {}", nodeId, connectionStatus.name());
 181         /*
 182           TODO: set connection status of the device in model,
 183           TODO: so we don't need to keep it in memory (Set<String> currentMountedDevice)
 184           TODO: unfortunately there is no connection status OpenROADM in network models
 185           TODO: waiting for new model version
 186          */
 187     }
 188
 189     /*
 190      @see org.opendaylight.transportpce.networkmodel.service.NetworkModelService# deleteOpenROADMnode(java.lang.String)
 191      */
 192
 193     @Override
 194     public boolean deleteOpenRoadmnode(String nodeId) {
 195         try {
 196             if (!this.portMapping.isNodeExist(nodeId)) {
 197                 return false;
 198             }
 199             NodeKey nodeIdKey = new NodeKey(new NodeId(nodeId));
 200
 201             LOG.info("deleting node in {}", NetworkUtils.UNDERLAY_NETWORK_ID);
 202             InstanceIdentifier<Node> iiopenroadmNetworkNode = InstanceIdentifier.builder(Networks.class)
 203                 .child(Network.class, new NetworkKey(new NetworkId(NetworkUtils.UNDERLAY_NETWORK_ID)))
 204                 .child(Node.class, nodeIdKey)
 205                 .build();
 206             this.networkTransactionService.delete(LogicalDatastoreType.CONFIGURATION, iiopenroadmNetworkNode);
 207
 208             TopologyShard topologyShard = this.topologyShardMountedDevice.get(nodeId);
 209             if (topologyShard != null) {
 210                 for (Node openRoadmTopologyNode : topologyShard.getNodes()) {
 211                     LOG.info("deleting node {} in {}", openRoadmTopologyNode.getNodeId().getValue(),
 212                         NetworkUtils.OVERLAY_NETWORK_ID);
 213                     InstanceIdentifier<Node> iiOpenRoadmTopologyNode = InstanceIdentifier.builder(Networks.class)
 214                         .child(Network.class, new NetworkKey(new NetworkId(NetworkUtils.OVERLAY_NETWORK_ID)))
 215                         .child(Node.class, openRoadmTopologyNode.key())
 216                         .build();
 217                     this.networkTransactionService.delete(LogicalDatastoreType.CONFIGURATION, iiOpenRoadmTopologyNode);
 218                 }
 219                 for (Link openRoadmTopologyLink : topologyShard.getLinks()) {
 220                     LOG.info("deleting link {} in {}", openRoadmTopologyLink.getLinkId().getValue(),
 221                         NetworkUtils.OVERLAY_NETWORK_ID);
 222                     InstanceIdentifier<Link> iiOpenRoadmTopologyLink = InstanceIdentifier.builder(Networks.class)
 223                         .child(Network.class, new NetworkKey(new NetworkId(NetworkUtils.OVERLAY_NETWORK_ID)))
 224                         .augmentation(Network1.class)
 225                         .child(Link.class, openRoadmTopologyLink.key())
 226                         .build();
 227                     this.networkTransactionService.delete(LogicalDatastoreType.CONFIGURATION, iiOpenRoadmTopologyLink);
 228                 }
 229             } else {
 230                 LOG.warn("TopologyShard for node '{}' is not present", nodeId);
 231             }
 232             @Nullable
 233             OpenroadmNodeVersion deviceVersion = this.portMapping.getNode(nodeId).getNodeInfo().getOpenroadmVersion();
 234             @Nullable
 235             NodeTypes nodeType = this.portMapping.getNode(nodeId).getNodeInfo().getNodeType();
 236             if (nodeType.getIntValue() == 2 && deviceVersion.getIntValue() != 1) {
 237                 TopologyShard otnTopologyShard = this.otnTopologyShardMountedDevice.get(nodeId);
 238                 if (otnTopologyShard != null) {
 239                     LOG.info("suppression de otnTopologyShard = {}", otnTopologyShard.toString());
 240                     for (Node otnTopologyNode : otnTopologyShard.getNodes()) {
 241                         LOG.info("deleting node {} in {}", otnTopologyNode.getNodeId().getValue(),
 242                             NetworkUtils.OTN_NETWORK_ID);
 243                         InstanceIdentifier<Node> iiotnTopologyNode = InstanceIdentifier.builder(Networks.class)
 244                             .child(Network.class, new NetworkKey(new NetworkId(NetworkUtils.OTN_NETWORK_ID)))
 245                             .child(Node.class, otnTopologyNode.key())
 246                             .build();
 247                         this.networkTransactionService.delete(LogicalDatastoreType.CONFIGURATION, iiotnTopologyNode);
 248                     }
 249                     for (Link otnTopologyLink : otnTopologyShard.getLinks()) {
 250                         LOG.info("deleting link {} in {}", otnTopologyLink.getLinkId().getValue(),
 251                             NetworkUtils.OTN_NETWORK_ID);
 252                         InstanceIdentifier<Link> iiotnTopologyLink = InstanceIdentifier.builder(Networks.class)
 253                             .child(Network.class, new NetworkKey(new NetworkId(NetworkUtils.OTN_NETWORK_ID)))
 254                             .augmentation(Network1.class)
 255                             .child(Link.class, otnTopologyLink.key())
 256                             .build();
 257                         this.networkTransactionService.delete(LogicalDatastoreType.CONFIGURATION, iiotnTopologyLink);
 258                     }
 259                 }
 260             }
 261
 262             LOG.info("deleteOpenROADMnode: {} version {}", nodeId, deviceVersion.getName());
 263             this.portMapping.deletePortMappingNode(nodeId);
 264
 265             this.networkTransactionService.commit().get(1, TimeUnit.SECONDS);
 266             LOG.info("all nodes and links deleted ! ");
 267         } catch (InterruptedException | ExecutionException | TimeoutException e) {
 268             LOG.error("Error when trying to delete node : {}", nodeId, e);
 269             return false;
 270         }
 271         return true;
 272     }
 273
 274     @Override
 275     public void updateOpenRoadmTopologies(String nodeId, Mapping mapping) {
 276         LOG.info("update OpenRoadm topologies after change update from: {} ", nodeId);
 277         this.topologyChanges.clear();
 278         Network openroadmTopology = null;
 279         Network otnTopology = null;
 280         Map<LinkKey, Link> openroadmTopologyLinks = null;
 281         Map<LinkKey, Link> otnTopologyLinks = null;
 282         try {
 283             openroadmTopology = this.networkTransactionService
 284                 .read(LogicalDatastoreType.CONFIGURATION, InstanceIdentifiers.OVERLAY_NETWORK_II)
 285                 .get().get();
 286             if (openroadmTopology.augmentation(Network1.class) != null) {
 287                 openroadmTopologyLinks = openroadmTopology.augmentation(Network1.class).getLink();
 288             }
 289             otnTopology = this.networkTransactionService
 290                 .read(LogicalDatastoreType.CONFIGURATION, InstanceIdentifiers.OTN_NETWORK_II)
 291                 .get().get();
 292             if (otnTopology.augmentation(Network1.class) != null) {
 293                 otnTopologyLinks = otnTopology.augmentation(Network1.class).getLink();
 294             }
 295         } catch (InterruptedException | ExecutionException e) {
 296             LOG.error("Error when trying to update node : {}", nodeId, e);
 297         }
 298         if (openroadmTopology == null || otnTopology == null) {
 299             LOG.warn("Error getting topologies from datastore");
 300             return;
 301         }
 302         String abstractNodeid = String.join("-", nodeId, mapping.getLogicalConnectionPoint().split("-")[0]);
 303         // nodes/links update in openroadm-topology
 304         if (openroadmTopology.getNode() != null) {
 305             TopologyShard topologyShard = TopologyUtils.updateTopologyShard(abstractNodeid, mapping,
 306                 openroadmTopology.getNode(), openroadmTopologyLinks);
 307             if (topologyShard.getLinks() != null) {
 308                 for (Link link : topologyShard.getLinks()) {
 309                     LOG.info("updating links {} in {}", link.getLinkId().getValue(),
 310                         NetworkUtils.OVERLAY_NETWORK_ID);
 311                     InstanceIdentifier<Link> iiTopologyLink = InstanceIdentifier.builder(Networks.class)
 312                         .child(Network.class, new NetworkKey(new NetworkId(NetworkUtils.OVERLAY_NETWORK_ID)))
 313                         .augmentation(Network1.class)
 314                         .child(Link.class, link.key())
 315                         .build();
 316                     networkTransactionService.merge(LogicalDatastoreType.CONFIGURATION, iiTopologyLink, link);
 317                 }
 318             }
 319             if (topologyShard.getTps() != null) {
 320                 for (TerminationPoint tp : topologyShard.getTps()) {
 321                     LOG.info("updating TP {} in openroadm-topology", tp.getTpId().getValue());
 322                     InstanceIdentifier<TerminationPoint> iiTopologyTp = InstanceIdentifier.builder(Networks.class)
 323                         .child(Network.class, new NetworkKey(new NetworkId(NetworkUtils.OVERLAY_NETWORK_ID)))
 324                         .child(Node.class, new NodeKey(new NodeId(abstractNodeid)))
 325                         .augmentation(Node1.class)
 326                         .child(TerminationPoint.class, new TerminationPointKey(tp.getTpId()))
 327                         .build();
 328                     networkTransactionService.merge(LogicalDatastoreType.CONFIGURATION, iiTopologyTp, tp);
 329                     TopologyChanges tc = new TopologyChangesBuilder()
 330                         .withKey(new TopologyChangesKey(abstractNodeid, tp.getTpId().getValue()))
 331                         .setNodeId(abstractNodeid)
 332                         .setTpId(tp.getTpId().getValue())
 333                         .setState(tp.augmentation(
 334                             org.opendaylight.yang.gen.v1.http.org.openroadm.common.network.rev200529.TerminationPoint1
 335                                 .class).getOperationalState())
 336                         .build();
 337                     if (!this.topologyChanges.containsKey(tc.key())) {
 338                         this.topologyChanges.put(tc.key(), tc);
 339                     }
 340                 }
 341             }
 342         }
 343         // nodes/links update in otn-topology
 344         if (otnTopology.getNode() != null
 345             && otnTopology.getNode().containsKey(new NodeKey(new NodeId(abstractNodeid)))) {
 346             TopologyShard otnShard = TopologyUtils.updateTopologyShard(abstractNodeid, mapping,
 347                 otnTopology.getNode(), otnTopologyLinks);
 348             if (otnShard.getLinks() != null) {
 349                 for (Link link : otnShard.getLinks()) {
 350                     LOG.info("updating links {} in {}", link.getLinkId().getValue(),
 351                         NetworkUtils.OVERLAY_NETWORK_ID);
 352                     InstanceIdentifier<Link> iiTopologyLink = InstanceIdentifier.builder(Networks.class)
 353                         .child(Network.class, new NetworkKey(new NetworkId(NetworkUtils.OTN_NETWORK_ID)))
 354                         .augmentation(Network1.class)
 355                         .child(Link.class, link.key())
 356                         .build();
 357                     networkTransactionService.merge(LogicalDatastoreType.CONFIGURATION, iiTopologyLink, link);
 358                 }
 359             }
 360             if (otnShard.getTps() != null) {
 361                 for (TerminationPoint tp : otnShard.getTps()) {
 362                     LOG.info("updating TP {} in otn-topology", tp.getTpId().getValue());
 363                     InstanceIdentifier<TerminationPoint> iiTopologyTp = InstanceIdentifier.builder(Networks.class)
 364                         .child(Network.class, new NetworkKey(new NetworkId(NetworkUtils.OTN_NETWORK_ID)))
 365                         .child(Node.class, new NodeKey(new NodeId(abstractNodeid)))
 366                         .augmentation(Node1.class)
 367                         .child(TerminationPoint.class, new TerminationPointKey(tp.getTpId()))
 368                         .build();
 369                     networkTransactionService.merge(LogicalDatastoreType.CONFIGURATION, iiTopologyTp, tp);
 370                     TopologyChanges tc = new TopologyChangesBuilder()
 371                         .withKey(new TopologyChangesKey(abstractNodeid, tp.getTpId().getValue()))
 372                         .setNodeId(abstractNodeid)
 373                         .setTpId(tp.getTpId().getValue())
 374                         .setState(tp.augmentation(
 375                             org.opendaylight.yang.gen.v1.http.org.openroadm.common.network.rev200529.TerminationPoint1
 376                                 .class).getOperationalState())
 377                         .build();
 378                     if (!this.topologyChanges.containsKey(tc.key())) {
 379                         this.topologyChanges.put(tc.key(), tc);
 380                     }
 381                 }
 382             }
 383         }
 384         // commit datastore updates
 385         try {
 386             networkTransactionService.commit().get();
 387             sendNotification();
 388         } catch (InterruptedException | ExecutionException e) {
 389             LOG.error("Error updating openroadm-topology", e);
 390         }
 391     }
 392
 393     @Override
 394     public void createOtnLinks(
 395         org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.renderer.rev210915.renderer.rpc.result.sp.Link
 396         notifLink, List<String> suppLinks, OtnLinkType linkType) {
 397
 398         TopologyShard otnTopologyShard;
 399         switch (linkType) {
 400             case OTU4:
 401             case OTUC2:
 402             case OTUC3:
 403             case OTUC4:
 404                 otnTopologyShard = OpenRoadmOtnTopology.createOtnLinks(notifLink, null, null, linkType);
 405                 break;
 406             case ODTU4:
 407             case ODUC2:
 408             case ODUC3:
 409             case ODUC4:
 410                 List<LinkId> linkIdList = new ArrayList<>();
 411                 if (suppLinks != null) {
 412                     suppLinks.forEach(lk -> linkIdList.add(new LinkId(lk)));
 413                 }
 414                 List<Link> supportedOtu4links = getOtnLinks(linkIdList);
 415                 String nodeTopoA = convertNetconfNodeIdToTopoNodeId(notifLink.getATermination().getNodeId(),
 416                     notifLink.getATermination().getTpId());
 417                 String nodeTopoZ = convertNetconfNodeIdToTopoNodeId(notifLink.getZTermination().getNodeId(),
 418                     notifLink.getZTermination().getTpId());
 419                 List<TerminationPoint> tps = getOtnNodeTps(nodeTopoA, notifLink.getATermination().getTpId(), nodeTopoZ,
 420                     notifLink.getZTermination().getTpId());
 421                 otnTopologyShard = OpenRoadmOtnTopology.createOtnLinks(notifLink, supportedOtu4links, tps, linkType);
 422                 break;
 423             default:
 424                 LOG.error("unknown otn link type {}", linkType);
 425                 otnTopologyShard = new TopologyShard(null, null);
 426         }
 427         if (otnTopologyShard.getLinks() != null) {
 428             for (Link otnTopologyLink : otnTopologyShard.getLinks()) {
 429                 LOG.info("creating and updating otn links {} in {}", otnTopologyLink.getLinkId().getValue(),
 430                     NetworkUtils.OVERLAY_NETWORK_ID);
 431                 InstanceIdentifier<Link> iiOtnTopologyLink = InstanceIdentifier.builder(Networks.class)
 432                     .child(Network.class, new NetworkKey(new NetworkId(NetworkUtils.OTN_NETWORK_ID)))
 433                     .augmentation(Network1.class)
 434                     .child(Link.class, otnTopologyLink.key())
 435                     .build();
 436                 networkTransactionService.merge(LogicalDatastoreType.CONFIGURATION, iiOtnTopologyLink, otnTopologyLink);
 437             }
 438         }
 439         if (otnTopologyShard.getTps() != null) {
 440             for (TerminationPoint otnTopologyTp : otnTopologyShard.getTps()) {
 441                 LOG.info("updating otn nodes TP {} in otn-topology", otnTopologyTp.getTpId().getValue());
 442                 List<SupportingTerminationPoint> supportingTerminationPoint =
 443                     new ArrayList<>(otnTopologyTp.nonnullSupportingTerminationPoint().values());
 444                 InstanceIdentifier<TerminationPoint> iiOtnTopologyTp = InstanceIdentifier.builder(Networks.class)
 445                     .child(Network.class, new NetworkKey(new NetworkId(NetworkUtils.OTN_NETWORK_ID)))
 446                     .child(Node.class, new NodeKey(supportingTerminationPoint.get(0).getNodeRef()))
 447                     .augmentation(Node1.class)
 448                     .child(TerminationPoint.class, new TerminationPointKey(otnTopologyTp.getTpId()))
 449                     .build();
 450                 networkTransactionService.merge(LogicalDatastoreType.CONFIGURATION, iiOtnTopologyTp, otnTopologyTp);
 451             }
 452         }
 453         try {
 454             networkTransactionService.commit().get();
 455         } catch (InterruptedException | ExecutionException e) {
 456             LOG.error("Error adding OTN links in otn-topology", e);
 457         }
 458         LOG.info("OTN links created");
 459     }
 460
 461     @Override
 462     public void deleteOtnLinks(
 463         org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.renderer.rev210915.renderer.rpc.result.sp.Link
 464         notifLink, List<String> suppLinks, OtnLinkType linkType) {
 465
 466         TopologyShard otnTopologyShard;
 467         String nodeTopoA = convertNetconfNodeIdToTopoNodeId(notifLink.getATermination().getNodeId(),
 468             notifLink.getATermination().getTpId());
 469         String nodeTopoZ = convertNetconfNodeIdToTopoNodeId(notifLink.getZTermination().getNodeId(),
 470             notifLink.getZTermination().getTpId());
 471         String tpA = notifLink.getATermination().getTpId();
 472         String tpZ = notifLink.getZTermination().getTpId();
 473         List<Link> otuLinks;
 474         List<LinkId> linkIdList = new ArrayList<>();
 475         switch (linkType) {
 476             case OTU4:
 477             case OTUC2:
 478             case OTUC3:
 479             case OTUC4:
 480                 linkIdList.add(LinkIdUtil.buildOtnLinkId(nodeTopoA, tpA, nodeTopoZ, tpZ, linkType.getName()));
 481                 linkIdList.add(LinkIdUtil.buildOtnLinkId(nodeTopoZ, tpZ, nodeTopoA, tpA, linkType.getName()));
 482                 otuLinks = getOtnLinks(linkIdList);
 483                 if (checkLinks(otuLinks)) {
 484                     deleteLinks(otuLinks);
 485                 } else {
 486                     LOG.error("Error deleting OTU4 links");
 487                 }
 488                 otnTopologyShard = new TopologyShard(null, null);
 489                 break;
 490             case ODTU4:
 491             case ODUC2:
 492             case ODUC3:
 493             case ODUC4:
 494                 linkIdList.add(LinkIdUtil.buildOtnLinkId(nodeTopoA, tpA, nodeTopoZ, tpZ, linkType.getName()));
 495                 linkIdList.add(LinkIdUtil.buildOtnLinkId(nodeTopoZ, tpZ, nodeTopoA, tpA, linkType.getName()));
 496                 List<Link> oduLinks = getOtnLinks(linkIdList);
 497                 List<TerminationPoint> tps = getOtnNodeTps(nodeTopoA, tpA, nodeTopoZ, tpZ);
 498                 if (checkLinks(oduLinks) && checkTerminationPoints(tps)) {
 499                     deleteLinks(oduLinks);
 500                     linkIdList.clear();
 501                     if (suppLinks != null) {
 502                         suppLinks.forEach(lk -> linkIdList.add(new LinkId(lk)));
 503                     }
 504                     otuLinks = getOtnLinks(linkIdList);
 505
 506                     otnTopologyShard = OpenRoadmOtnTopology.deleteOtnLinks(otuLinks, tps, linkType);
 507                 } else {
 508                     LOG.error("Error deleting ODU4 links");
 509                     otnTopologyShard = new TopologyShard(null, null);
 510                 }
 511                 break;
 512             default:
 513                 LOG.error("unknown otn link type {}", linkType);
 514                 otnTopologyShard = new TopologyShard(null, null);
 515         }
 516
 517         if (otnTopologyShard.getLinks() != null) {
 518             for (Link otnTopologyLink : otnTopologyShard.getLinks()) {
 519                 LOG.info("deleting and updating otn links {} in {}", otnTopologyLink.getLinkId().getValue(),
 520                     NetworkUtils.OVERLAY_NETWORK_ID);
 521                 InstanceIdentifier<Link> iiOtnTopologyLink = InstanceIdentifier.builder(Networks.class)
 522                     .child(Network.class, new NetworkKey(new NetworkId(NetworkUtils.OTN_NETWORK_ID)))
 523                     .augmentation(Network1.class)
 524                     .child(Link.class, otnTopologyLink.key())
 525                     .build();
 526                 networkTransactionService.merge(LogicalDatastoreType.CONFIGURATION, iiOtnTopologyLink, otnTopologyLink);
 527             }
 528         }
 529         if (otnTopologyShard.getTps() != null) {
 530             for (TerminationPoint otnTopologyTp : otnTopologyShard.getTps()) {
 531                 LOG.info("updating otn nodes TP {} in otn-topology", otnTopologyTp.getTpId().getValue());
 532                 List<SupportingTerminationPoint> supportingTerminationPoint =
 533                     new ArrayList<>(otnTopologyTp.nonnullSupportingTerminationPoint().values());
 534                 InstanceIdentifier<TerminationPoint> iiOtnTopologyTp = InstanceIdentifier.builder(Networks.class)
 535                     .child(Network.class, new NetworkKey(new NetworkId(NetworkUtils.OTN_NETWORK_ID)))
 536                     .child(Node.class, new NodeKey(supportingTerminationPoint.get(0).getNodeRef()))
 537                     .augmentation(Node1.class)
 538                     .child(TerminationPoint.class, new TerminationPointKey(otnTopologyTp.getTpId()))
 539                     .build();
 540                 networkTransactionService.put(LogicalDatastoreType.CONFIGURATION, iiOtnTopologyTp, otnTopologyTp);
 541             }
 542         }
 543         try {
 544             networkTransactionService.commit().get();
 545         } catch (InterruptedException | ExecutionException e) {
 546             LOG.error("Error deleting OTN links in otn-topology", e);
 547         }
 548         LOG.info("OTN links deletion terminated");
 549     }
 550
 551     @Override
 552     public void updateOtnLinks(
 553         org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.renderer.rev210915.renderer.rpc.result.sp.Link
 554             notifLink, List<String> suppLinks, Uint32 serviceRate, Short tribPortNb, Short minTribSoltNb,
 555             Short maxTribSlotNb, boolean isDeletion) {
 556
 557         List<LinkTp> linkTerminations = new ArrayList<>();
 558         List<Link> supportedOdu4Links = null;
 559         if (notifLink != null) {
 560             // retreive termination-points to be updated
 561             linkTerminations.add(new LinkTpBuilder()
 562                     .setNodeId(notifLink.getATermination().getNodeId())
 563                     .setTpId(notifLink.getATermination().getTpId())
 564                     .build());
 565             linkTerminations.add(new LinkTpBuilder()
 566                     .setNodeId(notifLink.getZTermination().getNodeId())
 567                     .setTpId(notifLink.getZTermination().getTpId())
 568                     .build());
 569             // retreive supported links
 570             supportedOdu4Links = getSupportingOdu4Links(linkTerminations, serviceRate);
 571         } else if (suppLinks != null) {
 572              // retreive supported links
 573             List<LinkId> linkIdList = new ArrayList<>();
 574             if (suppLinks != null) {
 575                 suppLinks.forEach(lk -> linkIdList.add(new LinkId(lk)));
 576             }
 577             supportedOdu4Links = getOtnLinks(linkIdList);
 578             // retreive termination-points to be updated
 579             for (Link link : supportedOdu4Links) {
 580                 LinkTp atermination = new LinkTpBuilder()
 581                     .setNodeId(link.getSource().getSourceNode().getValue())
 582                     .setTpId(link.getSource().getSourceTp().getValue())
 583                     .build();
 584                 linkTerminations.add(atermination);
 585             }
 586         } else {
 587             LOG.error("Impossible to update OTN links and their associated termination points in otn-topology");
 588             return;
 589         }
 590         List<TerminationPoint> tps = getOtnNodeTps(linkTerminations);
 591         TopologyShard otnTopologyShard;
 592         otnTopologyShard = OpenRoadmOtnTopology.updateOtnLinks(supportedOdu4Links, tps, serviceRate, tribPortNb,
 593             minTribSoltNb, maxTribSlotNb, isDeletion);
 594         if (otnTopologyShard.getLinks() != null) {
 595             for (Link otnTopologyLink : otnTopologyShard.getLinks()) {
 596                 LOG.info("creating and updating otn links {} in {}", otnTopologyLink.getLinkId().getValue(),
 597                     NetworkUtils.OVERLAY_NETWORK_ID);
 598                 InstanceIdentifier<Link> iiOtnTopologyLink = InstanceIdentifier.builder(Networks.class)
 599                     .child(Network.class, new NetworkKey(new NetworkId(NetworkUtils.OTN_NETWORK_ID)))
 600                     .augmentation(Network1.class)
 601                     .child(Link.class, new LinkKey(new LinkId(otnTopologyLink.getLinkId().getValue())))
 602                     .build();
 603                 networkTransactionService.merge(LogicalDatastoreType.CONFIGURATION, iiOtnTopologyLink, otnTopologyLink);
 604             }
 605         }
 606         if (otnTopologyShard.getTps() != null) {
 607             for (TerminationPoint otnTopologyTp : otnTopologyShard.getTps()) {
 608                 LOG.info("updating otn nodes TP {} in otn-topology", otnTopologyTp.getTpId().getValue());
 609                 List<SupportingTerminationPoint> supportingTerminationPoint =
 610                     new ArrayList<>(otnTopologyTp.nonnullSupportingTerminationPoint().values());
 611                 InstanceIdentifier<TerminationPoint> iiOtnTopologyTp = InstanceIdentifier.builder(Networks.class)
 612                     .child(Network.class, new NetworkKey(new NetworkId(NetworkUtils.OTN_NETWORK_ID)))
 613                     .child(Node.class, new NodeKey(supportingTerminationPoint.get(0).getNodeRef()))
 614                     .augmentation(Node1.class)
 615                     .child(TerminationPoint.class, new TerminationPointKey(new TpId(otnTopologyTp.getTpId()
 616                         .getValue())))
 617                     .build();
 618                 if (isDeletion) {
 619                     networkTransactionService.merge(LogicalDatastoreType.CONFIGURATION, iiOtnTopologyTp, otnTopologyTp);
 620                 } else {
 621                     networkTransactionService.put(LogicalDatastoreType.CONFIGURATION, iiOtnTopologyTp, otnTopologyTp);
 622                 }
 623             }
 624         }
 625         try {
 626             networkTransactionService.commit().get();
 627         } catch (InterruptedException | ExecutionException e) {
 628             LOG.error("Error updating OTN links in otn-topology", e);
 629         }
 630     }
 631
 632     @Override
 633     public void updateOtnLinks(List<String> suppLinks, boolean isDeletion) {
 634         List<LinkId> linkIdList = new ArrayList<>();
 635         if (suppLinks != null) {
 636             suppLinks.forEach(lk -> linkIdList.add(new LinkId(lk)));
 637         }
 638         List<Link> supportedOtu4links = getOtnLinks(linkIdList);
 639
 640         TopologyShard otnTopologyShard = OpenRoadmOtnTopology.updateOtnLinks(supportedOtu4links, isDeletion);
 641         if (otnTopologyShard.getLinks() != null) {
 642             for (Link otnTopologyLink : otnTopologyShard.getLinks()) {
 643                 LOG.info("creating and updating otn links {} in {}", otnTopologyLink.getLinkId().getValue(),
 644                     NetworkUtils.OVERLAY_NETWORK_ID);
 645                 InstanceIdentifier<Link> iiOtnTopologyLink = InstanceIdentifier.builder(Networks.class)
 646                     .child(Network.class, new NetworkKey(new NetworkId(NetworkUtils.OTN_NETWORK_ID)))
 647                     .augmentation(Network1.class)
 648                     .child(Link.class, otnTopologyLink.key())
 649                     .build();
 650                 networkTransactionService.merge(LogicalDatastoreType.CONFIGURATION, iiOtnTopologyLink, otnTopologyLink);
 651             }
 652         }
 653         try {
 654             networkTransactionService.commit().get();
 655         } catch (InterruptedException | ExecutionException e) {
 656             LOG.error("Error adding OTN links in otn-topology", e);
 657         }
 658         LOG.info("OTN links updated");
 659     }
 660
 661     private List<Link> getOtnLinks(List<LinkId> linkIds) {
 662         List<Link> links = new ArrayList<>();
 663         for (LinkId linkId : linkIds) {
 664             InstanceIdentifier<Link> iiLink = InstanceIdentifier.builder(Networks.class)
 665                 .child(Network.class, new NetworkKey(new NetworkId(NetworkUtils.OTN_NETWORK_ID)))
 666                 .augmentation(Network1.class)
 667                 .child(Link.class, new LinkKey(linkId))
 668                 .build();
 669             ListenableFuture<Optional<Link>> linkOptLf = networkTransactionService
 670                 .read(LogicalDatastoreType.CONFIGURATION, iiLink);
 671             if (linkOptLf.isDone()) {
 672                 try {
 673                     if (linkOptLf.get().isPresent()) {
 674                         links.add(linkOptLf.get().get());
 675                     }
 676                 } catch (InterruptedException | ExecutionException e) {
 677                     LOG.error("Error retreiving OTN links from otn-topology", e);
 678                 }
 679             } else {
 680                 LOG.error("Error retreiving link {} from otn-topology", linkId.getValue());
 681             }
 682         }
 683         return links;
 684     }
 685
 686     private boolean checkLinks(List<Link> links) {
 687         if (links.isEmpty()) {
 688             return false;
 689         }
 690         for (Link link : links) {
 691             if (link.augmentation(Link1.class) != null
 692                     && !link.augmentation(Link1.class).getUsedBandwidth().equals(Uint32.valueOf(0))) {
 693                 return false;
 694             }
 695         }
 696         return true;
 697     }
 698
 699     private boolean checkTerminationPoints(List<TerminationPoint> tps) {
 700         if (tps.isEmpty()) {
 701             return false;
 702         }
 703         for (TerminationPoint tp : tps) {
 704             if (tp.augmentation(TerminationPoint1.class) != null && tp.augmentation(TerminationPoint1.class)
 705                     .getXpdrTpPortConnectionAttributes().getTsPool() != null && tp.augmentation(TerminationPoint1.class)
 706                     .getXpdrTpPortConnectionAttributes().getTsPool().size() != 80) {
 707                 return false;
 708             }
 709         }
 710         return true;
 711     }
 712
 713     private List<TerminationPoint> getOtnNodeTps(String nodeTopoA, String tpA, String nodeTopoZ, String tpZ) {
 714         List<TerminationPoint> tps = new ArrayList<>();
 715         InstanceIdentifier<TerminationPoint> iiTpA = InstanceIdentifier.builder(Networks.class)
 716             .child(Network.class, new NetworkKey(new NetworkId(NetworkUtils.OTN_NETWORK_ID)))
 717             .child(Node.class, new NodeKey(new NodeId(nodeTopoA)))
 718             .augmentation(Node1.class)
 719             .child(TerminationPoint.class, new TerminationPointKey(new TpId(tpA)))
 720             .build();
 721         Optional<TerminationPoint> tpAOpt = Optional.empty();
 722         InstanceIdentifier<TerminationPoint> iiTpZ = InstanceIdentifier.builder(Networks.class)
 723             .child(Network.class, new NetworkKey(new NetworkId(NetworkUtils.OTN_NETWORK_ID)))
 724             .child(Node.class, new NodeKey(new NodeId(nodeTopoZ)))
 725             .augmentation(Node1.class)
 726             .child(TerminationPoint.class, new TerminationPointKey(new TpId(tpZ)))
 727             .build();
 728         Optional<TerminationPoint> tpZOpt = Optional.empty();
 729
 730         if (networkTransactionService.read(LogicalDatastoreType.CONFIGURATION, iiTpA).isDone()
 731                 && networkTransactionService.read(LogicalDatastoreType.CONFIGURATION, iiTpZ).isDone()) {
 732             try {
 733                 tpAOpt = networkTransactionService.read(LogicalDatastoreType.CONFIGURATION, iiTpA).get();
 734                 tpZOpt = networkTransactionService.read(LogicalDatastoreType.CONFIGURATION, iiTpZ).get();
 735             } catch (InterruptedException | ExecutionException e) {
 736                 LOG.error("Error retreiving tp {} of node {} or tp {} from node {} from otn-topology", tpA, nodeTopoA,
 737                     tpZ, nodeTopoZ, e);
 738             }
 739         } else {
 740             LOG.error("error getting node termination points from the datastore");
 741         }
 742
 743         if (tpAOpt.isPresent() && tpZOpt.isPresent()) {
 744             tps.add(tpAOpt.get());
 745             tps.add(tpZOpt.get());
 746         }
 747         return tps;
 748     }
 749
 750     private List<TerminationPoint> getOtnNodeTps(List<LinkTp> linkTerminations) {
 751         List<TerminationPoint> tps = new ArrayList<>();
 752         for (LinkTp linkTp : linkTerminations) {
 753             String tp = linkTp.getTpId();
 754             String nodeId = formatNodeName(linkTp.getNodeId(), tp);
 755             InstanceIdentifier<TerminationPoint> iiTp = InstanceIdentifier.builder(Networks.class)
 756                 .child(Network.class, new NetworkKey(new NetworkId(NetworkUtils.OTN_NETWORK_ID)))
 757                 .child(Node.class, new NodeKey(new NodeId(nodeId)))
 758                 .augmentation(Node1.class)
 759                 .child(TerminationPoint.class, new TerminationPointKey(new TpId(tp)))
 760                 .build();
 761             Optional<TerminationPoint> tpOpt;
 762             if (networkTransactionService.read(LogicalDatastoreType.CONFIGURATION, iiTp).isDone()) {
 763                 try {
 764                     tpOpt = networkTransactionService.read(LogicalDatastoreType.CONFIGURATION, iiTp).get();
 765                     if (tpOpt.isPresent()) {
 766                         tps.add(tpOpt.get());
 767                     }
 768                 } catch (InterruptedException | ExecutionException e) {
 769                     LOG.error("Error retreiving tp {} of node {} from otn-topology", tp, nodeId, e);
 770                 }
 771             } else {
 772                 LOG.error("error getting node termination points from the datastore");
 773             }
 774         }
 775         return tps;
 776     }
 777
 778     private void deleteLinks(List<Link> links) {
 779         for (Link otnTopologyLink : links) {
 780             LOG.info("deleting link {} from {}", otnTopologyLink.getLinkId().getValue(),
 781                 NetworkUtils.OVERLAY_NETWORK_ID);
 782             InstanceIdentifier<Link> iiOtnTopologyLink = InstanceIdentifier.builder(Networks.class)
 783                 .child(Network.class, new NetworkKey(new NetworkId(NetworkUtils.OTN_NETWORK_ID)))
 784                 .augmentation(Network1.class)
 785                 .child(Link.class, otnTopologyLink.key())
 786                 .build();
 787             networkTransactionService.delete(LogicalDatastoreType.CONFIGURATION, iiOtnTopologyLink);
 788         }
 789         try {
 790             networkTransactionService.commit().get();
 791         } catch (InterruptedException | ExecutionException e) {
 792             LOG.error("Error deleting OTN links from otn-topology", e);
 793         }
 794     }
 795
 796     private List<Link> getSupportingOdu4Links(List<LinkTp> nodesTopoTps, Uint32 serviceRate) {
 797         InstanceIdentifier<Network1> iiOtnTopologyLinks = InstanceIdentifier.builder(Networks.class)
 798             .child(Network.class, new NetworkKey(new NetworkId(NetworkUtils.OTN_NETWORK_ID)))
 799             .augmentation(Network1.class)
 800             .build();
 801         ListenableFuture<Optional<Network1>> netw1Fl = networkTransactionService
 802             .read(LogicalDatastoreType.CONFIGURATION, iiOtnTopologyLinks);
 803         Optional<Network1> netw1Opt = Optional.empty();
 804         if (netw1Fl.isDone()) {
 805             try {
 806                 netw1Opt = netw1Fl.get();
 807             } catch (InterruptedException | ExecutionException e) {
 808                 LOG.error("Error retreiving list of links from otn-topology", e);
 809             }
 810         }
 811         List<Link> odu4links = null;
 812         if (netw1Opt.isPresent() && netw1Opt.get().getLink() != null) {
 813             odu4links = netw1Opt
 814                 .get()
 815                 .nonnullLink().values()
 816                 .stream().filter(lk -> lk.getLinkId().getValue()
 817                     .startsWith(Uint32.valueOf(100).equals(serviceRate) ? "ODUC4" : "ODTU4"))
 818                 .collect(Collectors.toList());
 819         }
 820         if (odu4links == null) {
 821             return null;
 822         }
 823         List<Link> links = new ArrayList<>();
 824         for (LinkTp linkTp : nodesTopoTps) {
 825             String tp = linkTp.getTpId();
 826             String nodeId = new StringBuilder(linkTp.getNodeId()).append("-")
 827                 .append(tp.split("-")[0]).toString();
 828             Link slink = odu4links.stream().filter(lk -> lk.getSource().getSourceNode().getValue()
 829                 .equals(nodeId) && lk.getSource().getSourceTp().getValue().equals(tp)).findFirst().get();
 830             if (!links.contains(slink)) {
 831                 links.add(slink);
 832             }
 833             Link dlink = odu4links.stream().filter(lk -> lk.getDestination().getDestNode().getValue()
 834                 .equals(nodeId) && lk.getDestination().getDestTp().getValue().equals(tp)).findFirst().get();
 835             if (!links.contains(dlink)) {
 836                 links.add(dlink);
 837             }
 838         }
 839         LOG.debug("odu4oduC4links = {}", links);
 840         return links;
 841     }
 842
 843     private void createOpenRoadmOtnNode(String nodeId) {
 844         TopologyShard otnTopologyShard = OpenRoadmOtnTopology.createTopologyShard(portMapping.getNode(nodeId));
 845         if (otnTopologyShard != null) {
 846             this.otnTopologyShardMountedDevice.put(nodeId, otnTopologyShard);
 847             for (Node otnTopologyNode : otnTopologyShard.getNodes()) {
 848                 LOG.info("creating otn node {} in {}", otnTopologyNode.getNodeId().getValue(),
 849                     NetworkUtils.OTN_NETWORK_ID);
 850                 InstanceIdentifier<Node> iiOtnTopologyNode = InstanceIdentifier.builder(Networks.class)
 851                     .child(Network.class, new NetworkKey(new NetworkId(NetworkUtils.OTN_NETWORK_ID)))
 852                     .child(Node.class, otnTopologyNode.key())
 853                     .build();
 854                 networkTransactionService.merge(LogicalDatastoreType.CONFIGURATION, iiOtnTopologyNode, otnTopologyNode);
 855             }
 856             for (Link otnTopologyLink : otnTopologyShard.getLinks()) {
 857                 LOG.info("creating otn link {} in {}", otnTopologyLink.getLinkId().getValue(),
 858                     NetworkUtils.OVERLAY_NETWORK_ID);
 859                 InstanceIdentifier<Link> iiOtnTopologyLink = InstanceIdentifier.builder(Networks.class)
 860                     .child(Network.class, new NetworkKey(new NetworkId(NetworkUtils.OTN_NETWORK_ID)))
 861                     .augmentation(Network1.class)
 862                     .child(Link.class, otnTopologyLink.key())
 863                     .build();
 864                 networkTransactionService.merge(LogicalDatastoreType.CONFIGURATION, iiOtnTopologyLink, otnTopologyLink);
 865             }
 866         } else {
 867             LOG.error("Unable to create OTN topology shard for node {}!", nodeId);
 868         }
 869     }
 870
 871     private String convertNetconfNodeIdToTopoNodeId(String nodeId, String tpId) {
 872         return new StringBuilder(nodeId).append("-").append(tpId.split("-")[0]).toString();
 873     }
 874
 875     private static String formatNodeName(String nodeName, String tpName) {
 876         return nodeName.contains("-XPDR")
 877             ? nodeName
 878             : new StringBuilder(nodeName).append("-").append(tpName.split("-")[0]).toString();
 879     }
 880
 881     @SuppressFBWarnings(
 882             value = "UPM_UNCALLED_PRIVATE_METHOD",
 883             justification = "false positive, this method is used by public updateOpenRoadmNetworkTopology")
 884     private void sendNotification() {
 885         if (topologyChanges.isEmpty()) {
 886             LOG.warn("Empty Topology Change List. No updates in topology");
 887             return;
 888         }
 889         this.notification = new TopologyUpdateResultBuilder()
 890             .setTopologyChanges(topologyChanges)
 891             .build();
 892         try {
 893             notificationPublishService.putNotification(this.notification);
 894         } catch (InterruptedException e) {
 895             LOG.error("Notification offer rejected. Error={}", e.getMessage());
 896         }
 897     }
 898 }