olm/src/main/java/org/opendaylight/transportpce/olm/service/OlmPowerServiceImpl.java

   1 /*
   2  * Copyright © 2017 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
   9 package org.opendaylight.transportpce.olm.service;
  10
  11 import com.google.common.base.Strings;
  12 import java.math.BigDecimal;
  13 import java.math.RoundingMode;
  14 import java.util.ArrayList;
  15 import java.util.Collections;
  16 import java.util.HashMap;
  17 import java.util.List;
  18 import java.util.Map;
  19 import java.util.Map.Entry;
  20 import java.util.Optional;
  21 import java.util.Set;
  22 import java.util.concurrent.ExecutionException;
  23 import java.util.concurrent.TimeUnit;
  24 import java.util.concurrent.TimeoutException;
  25 import java.util.stream.Collectors;
  26 import org.eclipse.jdt.annotation.Nullable;
  27 import org.opendaylight.mdsal.binding.api.DataBroker;
  28 import org.opendaylight.mdsal.binding.api.ReadTransaction;
  29 import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
  30 import org.opendaylight.transportpce.common.InstanceIdentifiers;
  31 import org.opendaylight.transportpce.common.NetworkUtils;
  32 import org.opendaylight.transportpce.common.ResponseCodes;
  33 import org.opendaylight.transportpce.common.StringConstants;
  34 import org.opendaylight.transportpce.common.Timeouts;
  35 import org.opendaylight.transportpce.common.device.DeviceTransactionManager;
  36 import org.opendaylight.transportpce.common.mapping.MappingUtils;
  37 import org.opendaylight.transportpce.common.mapping.PortMapping;
  38 import org.opendaylight.transportpce.common.openroadminterfaces.OpenRoadmInterfaceException;
  39 import org.opendaylight.transportpce.common.openroadminterfaces.OpenRoadmInterfaces;
  40 import org.opendaylight.transportpce.olm.power.PowerMgmt;
  41 import org.opendaylight.transportpce.olm.util.OlmUtils;
  42 import org.opendaylight.transportpce.olm.util.OtsPmHolder;
  43 import org.opendaylight.transportpce.olm.util.RoadmLinks;
  44 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.olm.rev170418.CalculateSpanlossBaseInput;
  45 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.olm.rev170418.CalculateSpanlossBaseOutput;
  46 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.olm.rev170418.CalculateSpanlossBaseOutputBuilder;
  47 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.olm.rev170418.CalculateSpanlossCurrentInput;
  48 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.olm.rev170418.CalculateSpanlossCurrentOutput;
  49 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.olm.rev170418.CalculateSpanlossCurrentOutputBuilder;
  50 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.olm.rev170418.GetPmInput;
  51 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.olm.rev170418.GetPmInputBuilder;
  52 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.olm.rev170418.GetPmOutput;
  53 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.olm.rev170418.GetPmOutputBuilder;
  54 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.olm.rev170418.ServicePowerResetInput;
  55 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.olm.rev170418.ServicePowerResetOutput;
  56 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.olm.rev170418.ServicePowerSetupInput;
  57 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.olm.rev170418.ServicePowerSetupOutput;
  58 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.olm.rev170418.ServicePowerSetupOutputBuilder;
  59 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.olm.rev170418.ServicePowerTurndownInput;
  60 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.olm.rev170418.ServicePowerTurndownOutput;
  61 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.olm.rev170418.ServicePowerTurndownOutputBuilder;
  62 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.olm.rev170418.calculate.spanloss.base.output.Spans;
  63 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.olm.rev170418.calculate.spanloss.base.output.SpansBuilder;
  64 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.olm.rev170418.get.pm.output.Measurements;
  65 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.portmapping.rev201012.network.nodes.Mapping;
  66 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.portmapping.rev201012.network.nodes.NodeInfo.OpenroadmVersion;
  67 import org.opendaylight.yang.gen.v1.http.org.openroadm.common.network.rev200529.Link1;
  68 import org.opendaylight.yang.gen.v1.http.org.openroadm.common.types.rev161014.RatioDB;
  69 import org.opendaylight.yang.gen.v1.http.org.openroadm.device.rev170206.interfaces.grp.Interface;
  70 import org.opendaylight.yang.gen.v1.http.org.openroadm.device.rev170206.interfaces.grp.InterfaceBuilder;
  71 import org.opendaylight.yang.gen.v1.http.org.openroadm.network.types.rev200529.OpenroadmLinkType;
  72 import org.opendaylight.yang.gen.v1.http.org.openroadm.optical.transport.interfaces.rev161014.Interface1;
  73 import org.opendaylight.yang.gen.v1.http.org.openroadm.optical.transport.interfaces.rev161014.Interface1Builder;
  74 import org.opendaylight.yang.gen.v1.http.org.openroadm.optical.transport.interfaces.rev161014.ots.container.Ots;
  75 import org.opendaylight.yang.gen.v1.http.org.openroadm.optical.transport.interfaces.rev161014.ots.container.OtsBuilder;
  76 import org.opendaylight.yang.gen.v1.http.org.openroadm.pm.types.rev161014.PmGranularity;
  77 import org.opendaylight.yang.gen.v1.http.org.openroadm.resource.types.rev161014.ResourceTypeEnum;
  78 import org.opendaylight.yang.gen.v1.http.org.transportpce.common.types.rev201211.PmNamesEnum;
  79 import org.opendaylight.yang.gen.v1.http.org.transportpce.common.types.rev201211.olm.get.pm.input.ResourceIdentifierBuilder;
  80 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.rev180226.NetworkId;
  81 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.rev180226.Networks;
  82 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.rev180226.NodeId;
  83 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.rev180226.networks.Network;
  84 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.rev180226.networks.NetworkKey;
  85 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.rev180226.networks.network.Node;
  86 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.rev180226.networks.network.NodeKey;
  87 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.rev180226.networks.network.node.SupportingNode;
  88 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.topology.rev180226.LinkId;
  89 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.topology.rev180226.Network1;
  90 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.topology.rev180226.networks.network.Link;
  91 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.topology.rev180226.networks.network.LinkKey;
  92 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  93 import org.opendaylight.yangtools.yang.binding.KeyedInstanceIdentifier;
  94 import org.slf4j.Logger;
  95 import org.slf4j.LoggerFactory;
  96
  97 public class OlmPowerServiceImpl implements OlmPowerService {
  98     private static final Logger LOG = LoggerFactory.getLogger(OlmPowerServiceImpl.class);
  99     private final MappingUtils mappingUtils;
 100     private final OpenRoadmInterfaces openRoadmInterfaces;
 101     private final DataBroker dataBroker;
 102     private final PowerMgmt powerMgmt;
 103     private final DeviceTransactionManager deviceTransactionManager;
 104     private final PortMapping portMapping;
 105
 106     public OlmPowerServiceImpl(DataBroker dataBroker, PowerMgmt powerMgmt,
 107                                DeviceTransactionManager deviceTransactionManager, PortMapping portMapping,
 108                                MappingUtils mappingUtils, OpenRoadmInterfaces openRoadmInterfaces) {
 109         this.dataBroker = dataBroker;
 110         this.powerMgmt = powerMgmt;
 111         this.portMapping = portMapping;
 112         this.deviceTransactionManager = deviceTransactionManager;
 113         this.mappingUtils = mappingUtils;
 114         this.openRoadmInterfaces = openRoadmInterfaces;
 115     }
 116
 117     public void init() {
 118         LOG.info("init ...");
 119     }
 120
 121     public void close() {
 122         LOG.info("close ...");
 123     }
 124
 125
 126     @Override
 127     public GetPmOutput getPm(GetPmInput pmInput) {
 128         OpenroadmVersion openroadmVersion;
 129         if (mappingUtils.getOpenRoadmVersion(pmInput.getNodeId())
 130             .equals(StringConstants.OPENROADM_DEVICE_VERSION_1_2_1)) {
 131             LOG.info("Device version is 1.2.1");
 132             openroadmVersion = OpenroadmVersion._121;
 133         } else {
 134             openroadmVersion = OpenroadmVersion._221;
 135             LOG.info("Device version is 2.2.1");
 136         }
 137         LOG.info("Now calling get pm data");
 138         GetPmOutputBuilder pmOutputBuilder = OlmUtils.pmFetch(pmInput, deviceTransactionManager,
 139             openroadmVersion);
 140         return pmOutputBuilder.build();
 141     }
 142
 143     @Override
 144     public ServicePowerSetupOutput servicePowerSetup(ServicePowerSetupInput powerSetupInput) {
 145         ServicePowerSetupOutputBuilder powerSetupOutput = new ServicePowerSetupOutputBuilder();
 146         boolean successValPowerCalculation = powerMgmt.setPower(powerSetupInput);
 147         if (successValPowerCalculation) {
 148             powerSetupOutput.setResult(ResponseCodes.SUCCESS_RESULT);
 149         } else {
 150             powerSetupOutput.setResult(ResponseCodes.FAILED_RESULT);
 151         }
 152         return powerSetupOutput.build();
 153     }
 154
 155     @Override
 156     public ServicePowerTurndownOutput servicePowerTurndown(
 157         ServicePowerTurndownInput powerTurndownInput) {
 158
 159         ServicePowerTurndownOutputBuilder powerTurnDownOutput = new ServicePowerTurndownOutputBuilder();
 160         // TODO add flag or return failure instead of string
 161         if (powerMgmt.powerTurnDown(powerTurndownInput)) {
 162             powerTurnDownOutput.setResult(ResponseCodes.SUCCESS_RESULT);
 163         } else {
 164             powerTurnDownOutput.setResult(ResponseCodes.FAILED_RESULT);
 165         }
 166         return powerTurnDownOutput.build();
 167     }
 168
 169     @Override
 170     public CalculateSpanlossBaseOutput calculateSpanlossBase(CalculateSpanlossBaseInput spanlossBaseInput) {
 171         LOG.info("CalculateSpanlossBase Request received for source type {}", spanlossBaseInput.getSrcType());
 172         List<RoadmLinks> roadmLinks = new ArrayList<>();
 173         CalculateSpanlossBaseOutputBuilder spanLossBaseBuilder = new CalculateSpanlossBaseOutputBuilder();
 174         Map<LinkId, BigDecimal> spanLossResult = null;
 175         //Depending on the source type do the calculation
 176         switch (spanlossBaseInput.getSrcType()) {
 177             case Link:
 178                 LOG.debug("Calculate SpanLossBase for a linkId: {}",spanlossBaseInput.getLinkId());
 179                 Link inputLink = getNetworkLinkById(spanlossBaseInput.getLinkId());
 180                 if (inputLink != null) {
 181                     RoadmLinks roadmLink = new RoadmLinks();
 182                     roadmLink.setSrcNodeId(inputLink.getSource().getSourceNode().getValue());
 183                     roadmLink.setSrcTpId(inputLink.getSource().getSourceTp().toString());
 184                     roadmLink.setDestNodeId(inputLink.getDestination().getDestNode().getValue());
 185                     roadmLink.setDestTpid(inputLink.getDestination().getDestTp().toString());
 186                     roadmLink.setLinkId(inputLink.getLinkId());
 187                     roadmLinks.add(roadmLink);
 188                     spanLossResult = getLinkSpanloss(roadmLinks);
 189                 }
 190                 break;
 191             case All:
 192                 LOG.info("Do something for all");
 193                 List<Link> networkLinks = getNetworkLinks();
 194                 if (networkLinks.isEmpty()) {
 195                     LOG.warn("Failed to get links form {} topology.", NetworkUtils.OVERLAY_NETWORK_ID);
 196                     return new CalculateSpanlossBaseOutputBuilder().setResult(ResponseCodes.FAILED_RESULT).build();
 197                 }
 198                 //else for all other links
 199                 for (Link link : networkLinks) {
 200                     Link1 roadmLinkAugmentation = link.augmentation(Link1.class);
 201                     if (roadmLinkAugmentation == null) {
 202                         LOG.debug("Missing OpenRoadm link augmentation in link {} from {} topology.",
 203                             link.getLinkId().getValue(), NetworkUtils.OVERLAY_NETWORK_ID);
 204                         continue;
 205                     }
 206                     if (OpenroadmLinkType.ROADMTOROADM.equals(roadmLinkAugmentation.getLinkType())) {
 207                         // Only calculate spanloss for Roadm-to-Roadm links
 208                         RoadmLinks roadmLink = new RoadmLinks();
 209                         roadmLink.setSrcNodeId(link.getSource().getSourceNode().getValue());
 210                         roadmLink.setSrcTpId(link.getSource().getSourceTp().toString());
 211                         roadmLink.setDestNodeId(link.getDestination().getDestNode().getValue());
 212                         roadmLink.setDestTpid(link.getDestination().getDestTp().toString());
 213                         roadmLink.setLinkId(link.getLinkId());
 214                         roadmLinks.add(roadmLink);
 215                     }
 216                 }
 217                 if (roadmLinks.isEmpty()) {
 218                     LOG.warn("Topology {} does not have any Roadm-to-Roadm links.", NetworkUtils.OVERLAY_NETWORK_ID);
 219                     return new CalculateSpanlossBaseOutputBuilder().setResult(ResponseCodes.FAILED_RESULT).build();
 220                 }
 221                 spanLossResult = getLinkSpanloss(roadmLinks);
 222                 break;
 223             default:
 224                 LOG.info("Invalid input in request");
 225         }
 226
 227         if (spanLossResult != null && !spanLossResult.isEmpty()) {
 228             spanLossBaseBuilder.setResult(ResponseCodes.SUCCESS_RESULT);
 229             List<Spans> listSpans = new ArrayList<>();
 230             Set<Entry<LinkId, BigDecimal>> spanLossResultSet = spanLossResult.entrySet();
 231             for (Entry<LinkId, BigDecimal> entry : spanLossResultSet) {
 232                 Spans span = new SpansBuilder().setLinkId(entry.getKey()).setSpanloss(entry.getValue().toString())
 233                     .build();
 234                 listSpans.add(span);
 235             }
 236             spanLossBaseBuilder.setSpans(listSpans);
 237             return spanLossBaseBuilder.build();
 238         } else {
 239             LOG.warn("Spanloss calculation failed");
 240             spanLossBaseBuilder.setResult(ResponseCodes.FAILED_RESULT);
 241             return spanLossBaseBuilder.build();
 242         }
 243
 244     }
 245
 246
 247     @Override
 248     public CalculateSpanlossCurrentOutput calculateSpanlossCurrent(CalculateSpanlossCurrentInput input) {
 249         LOG.info("calculateSpanlossCurrent Request received for all links in network model.");
 250         List<Link> networkLinks = getNetworkLinks();
 251         if (networkLinks.isEmpty()) {
 252             LOG.warn("Failed to get links form {} topology.", NetworkUtils.OVERLAY_NETWORK_ID);
 253             return null;
 254         }
 255         List<RoadmLinks> roadmLinks = new ArrayList<>();
 256         for (Link link : networkLinks) {
 257             Link1 roadmLinkAugmentation = link.augmentation(Link1.class);
 258             if (roadmLinkAugmentation == null) {
 259                 LOG.debug("Missing OpenRoadm link augmentation in link {} from {} topology.",
 260                     link.getLinkId().getValue(), NetworkUtils.OVERLAY_NETWORK_ID);
 261                 continue;
 262             }
 263             if (OpenroadmLinkType.ROADMTOROADM.equals(roadmLinkAugmentation.getLinkType())) {
 264                 // Only calculate spanloss for Roadm-to-Roadm links
 265                 RoadmLinks roadmLink = new RoadmLinks();
 266                 roadmLink.setSrcNodeId(link.getSource().getSourceNode().getValue());
 267                 roadmLink.setSrcTpId(link.getSource().getSourceTp().toString());
 268                 roadmLink.setDestNodeId(link.getDestination().getDestNode().getValue());
 269                 roadmLink.setDestTpid(link.getDestination().getDestTp().toString());
 270                 roadmLinks.add(roadmLink);
 271             }
 272         }
 273
 274         if (roadmLinks.isEmpty()) {
 275             LOG.warn("Topology {} does not have any Roadm-to-Roadm links.", NetworkUtils.OVERLAY_NETWORK_ID);
 276             return null;
 277         }
 278
 279         Map<LinkId, BigDecimal> spanLossResult = getLinkSpanloss(roadmLinks);
 280         CalculateSpanlossCurrentOutputBuilder spanLossCurrentBuilder = new CalculateSpanlossCurrentOutputBuilder();
 281         if (spanLossResult != null && !spanLossResult.isEmpty()) {
 282             spanLossCurrentBuilder.setResult(ResponseCodes.SUCCESS_RESULT);
 283             return spanLossCurrentBuilder.build();
 284         } else {
 285             LOG.error("Spanloss Current calculation failed");
 286             spanLossCurrentBuilder.setResult(ResponseCodes.FAILED_RESULT);
 287             return spanLossCurrentBuilder.build();
 288         }
 289     }
 290
 291     @Override
 292     public ServicePowerResetOutput servicePowerReset(ServicePowerResetInput input) {
 293         // TODO
 294         return null;
 295     }
 296
 297     private List<Link> getNetworkLinks() {
 298         NetworkKey overlayTopologyKey = new NetworkKey(new NetworkId(NetworkUtils.OVERLAY_NETWORK_ID));
 299
 300         InstanceIdentifier<Network1> networkIID = InstanceIdentifier.builder(Networks.class)
 301             .child(Network.class, overlayTopologyKey)
 302                 .augmentation(Network1.class)
 303                 .build();
 304         Optional<Network1> networkOptional;
 305         try (ReadTransaction rtx = this.dataBroker.newReadOnlyTransaction()) {
 306             //TODO change to constant from Timeouts class when it will be merged.
 307             networkOptional = rtx.read(LogicalDatastoreType.CONFIGURATION, networkIID).get(Timeouts.DATASTORE_READ,
 308                 TimeUnit.MILLISECONDS);
 309
 310         } catch (InterruptedException | ExecutionException | TimeoutException e) {
 311             LOG.warn("Read of {} topology failed", NetworkUtils.OVERLAY_NETWORK_ID);
 312             return Collections.emptyList();
 313         }
 314
 315         if (! networkOptional.isPresent()) {
 316             LOG.warn("Network augmentation with links data is not present in {} topology.",
 317                 NetworkUtils.OVERLAY_NETWORK_ID);
 318
 319             return Collections.emptyList();
 320         }
 321
 322         @Nullable Map<LinkKey, Link> networkLinks = networkOptional.get().getLink();
 323         if ((networkLinks == null) || networkLinks.isEmpty()) {
 324             LOG.warn("Links are not present in {} topology.", NetworkUtils.OVERLAY_NETWORK_ID);
 325             return Collections.emptyList();
 326         }
 327         return new ArrayList<>(networkLinks.values());
 328     }
 329
 330     /**
 331      * This method retrieves OTS PM from current PM list by nodeId and TPId: Steps:
 332      *
 333      * <p>
 334      * 1. Get OTS interface name from port mapping by TPId 2. Call getPm RPC to get OTS PM
 335      *
 336      * <p>
 337      *
 338      * @param nodeId Node-id of the NE.
 339      * @param tpID Termination point Name.
 340      * @param pmName PM name which need to be retrieved
 341      * @return reference to OtsPmHolder
 342      */
 343     private OtsPmHolder getPmMeasurements(String nodeId, String tpID, String pmName) {
 344         String realNodeId = getRealNodeId(nodeId);
 345         Mapping mapping = portMapping.getMapping(realNodeId, tpID);
 346         if (mapping == null) {
 347             return null;
 348         }
 349         GetPmInput getPmInput = new GetPmInputBuilder().setNodeId(realNodeId)
 350             .setResourceType(ResourceTypeEnum.Interface)
 351             .setResourceIdentifier(
 352                 new ResourceIdentifierBuilder().setResourceName(mapping.getSupportingOts()).build())
 353             .setPmNameType(PmNamesEnum.valueOf(pmName))
 354             .setGranularity(PmGranularity._15min)
 355             .build();
 356         GetPmOutput otsPmOutput = getPm(getPmInput);
 357
 358         if (otsPmOutput == null) {
 359             LOG.info("OTS PM not found for NodeId: {} TP Id:{} PMName:{}", realNodeId, tpID, pmName);
 360             return null;
 361         }
 362         try {
 363             for (Measurements measurement : otsPmOutput.getMeasurements()) {
 364                 if (pmName.equals(measurement.getPmparameterName())) {
 365                     return new OtsPmHolder(pmName, Double.parseDouble(measurement.getPmparameterValue()),
 366                         mapping.getSupportingOts());
 367                 }
 368             }
 369         } catch (NumberFormatException e) {
 370             LOG.warn("Unable to get PM for NodeId: {} TP Id:{} PMName:{}", realNodeId, tpID, pmName, e);
 371         }
 372         return null;
 373     }
 374
 375     /**
 376      * This method Sets Spanloss on A-End and Z-End OTS interface: Steps:
 377      *
 378      * <p>
 379      * 1. Read existing interface details
 380      *
 381      * <p>
 382      * 2. Set spanloss
 383      *
 384      * @param nodeId nodeId of NE on which spanloss need to be updated
 385      * @param interfaceName OTS interface for NE on which spanloss is cacluated
 386      * @param spanLoss calculated spanloss value
 387      * @param direction for which spanloss is calculated.It can be either Tx or Rx
 388      * @return true/false
 389      */
 390     private boolean setSpanLoss(String nodeId, String interfaceName, BigDecimal spanLoss, String direction) {
 391         String realNodeId = getRealNodeId(nodeId);
 392         try {
 393             LOG.info("Setting Spanloss in device for {}, InterfaceName: {}", realNodeId, interfaceName);
 394             if (mappingUtils.getOpenRoadmVersion(realNodeId)
 395                 .equals(StringConstants.OPENROADM_DEVICE_VERSION_1_2_1)) {
 396                 RatioDB spanLossRx;
 397                 RatioDB spanLossTx;
 398
 399                 Optional<Interface> interfaceObject;
 400                 interfaceObject = openRoadmInterfaces.getInterface(realNodeId, interfaceName);
 401                 if (interfaceObject.isPresent()) {
 402                     InterfaceBuilder interfaceBuilder = new InterfaceBuilder(interfaceObject.get());
 403                     OtsBuilder otsBuilder = new OtsBuilder();
 404                     Interface intf = interfaceObject.get();
 405                     if (intf.augmentation(Interface1.class) != null
 406                         && intf.augmentation(Interface1.class).getOts() != null) {
 407                         Ots ots = intf.augmentation(Interface1.class).getOts();
 408                         otsBuilder.setFiberType(ots.getFiberType());
 409                         spanLossRx = ots.getSpanLossReceive();
 410                         spanLossTx = ots.getSpanLossTransmit();
 411                     } else {
 412                         spanLossRx = new RatioDB(spanLoss);
 413                         spanLossTx = new RatioDB(spanLoss);
 414                     }
 415                     Interface1Builder intf1Builder = new Interface1Builder();
 416                     if (direction.equals("TX")) {
 417                         otsBuilder.setSpanLossTransmit(new RatioDB(spanLoss));
 418                         otsBuilder.setSpanLossReceive(spanLossRx);
 419                     } else {
 420                         otsBuilder.setSpanLossTransmit(spanLossTx).setSpanLossReceive(new RatioDB(spanLoss));
 421                     }
 422                     interfaceBuilder.addAugmentation(intf1Builder.setOts(otsBuilder.build()).build());
 423                     openRoadmInterfaces.postInterface(realNodeId,interfaceBuilder);
 424                     LOG.info("Spanloss Value update completed successfully");
 425                     return true;
 426                 } else {
 427                     LOG.error("Interface not found for nodeId: {} and interfaceName: {}", nodeId, interfaceName);
 428                     return false;
 429                 }
 430             } else if (mappingUtils.getOpenRoadmVersion(realNodeId)
 431                 .equals(StringConstants.OPENROADM_DEVICE_VERSION_2_2_1)) {
 432
 433                 org.opendaylight.yang.gen.v1.http.org.openroadm.common.types.rev181019.RatioDB spanLossRx;
 434                 org.opendaylight.yang.gen.v1.http.org.openroadm.common.types
 435                     .rev181019.RatioDB spanLossTx;
 436                 Optional<org.opendaylight.yang.gen.v1.http.org.openroadm.device.rev181019
 437                     .interfaces.grp.Interface> interfaceObject =
 438                         openRoadmInterfaces.getInterface(realNodeId, interfaceName);
 439                 if (interfaceObject.isPresent()) {
 440                     org.opendaylight.yang.gen.v1.http.org.openroadm.device
 441                         .rev181019.interfaces.grp.InterfaceBuilder interfaceBuilder =
 442                         new org.opendaylight.yang.gen.v1.http.org.openroadm.device
 443                             .rev181019.interfaces.grp.InterfaceBuilder(interfaceObject.get());
 444                     org.opendaylight.yang.gen.v1.http.org.openroadm.optical
 445                         .transport.interfaces.rev181019.ots.container.OtsBuilder otsBuilder =
 446                         new org.opendaylight.yang.gen.v1.http.org.openroadm
 447                             .optical.transport.interfaces.rev181019.ots.container.OtsBuilder();
 448                     org.opendaylight.yang.gen.v1.http.org.openroadm.device.rev181019.interfaces.grp.Interface intf =
 449                         interfaceObject.get();
 450                     if (intf.augmentation(org.opendaylight.yang.gen.v1.http.org.openroadm.optical
 451                         .transport.interfaces.rev181019.Interface1.class) != null
 452                             && intf.augmentation(org.opendaylight.yang.gen.v1.http.org.openroadm.optical.transport
 453                                 .interfaces.rev181019.Interface1.class).getOts() != null) {
 454                         org.opendaylight.yang.gen.v1.http.org.openroadm.optical.transport.interfaces
 455                             .rev181019.ots.container.Ots ots =
 456                                 intf.augmentation(org.opendaylight.yang.gen.v1.http.org.openroadm.optical
 457                                     .transport.interfaces.rev181019.Interface1.class).getOts();
 458
 459                         otsBuilder.setFiberType(ots.getFiberType());
 460                         spanLossRx = ots.getSpanLossReceive();
 461                         spanLossTx = ots.getSpanLossTransmit();
 462                     } else {
 463                         spanLossRx = new org.opendaylight.yang.gen.v1.http.org
 464                             .openroadm.common.types.rev181019.RatioDB(spanLoss);
 465                         spanLossTx = new org.opendaylight.yang.gen.v1.http.org
 466                             .openroadm.common.types.rev181019.RatioDB(spanLoss);
 467                     }
 468                     org.opendaylight.yang.gen.v1.http.org.openroadm.optical.transport.interfaces
 469                         .rev181019.Interface1Builder intf1Builder =
 470                             new org.opendaylight.yang.gen.v1.http.org.openroadm.optical
 471                             .transport.interfaces.rev181019.Interface1Builder();
 472                     if (direction.equals("TX")) {
 473                         otsBuilder.setSpanLossTransmit(new org.opendaylight.yang.gen.v1.http.org
 474                             .openroadm.common.types.rev181019.RatioDB(spanLoss));
 475                         otsBuilder.setSpanLossReceive(spanLossRx);
 476                     } else {
 477                         otsBuilder.setSpanLossTransmit(spanLossTx).setSpanLossReceive(
 478                             new org.opendaylight.yang.gen.v1.http.org.openroadm.common.types.rev181019.RatioDB(spanLoss)
 479                         );
 480                     }
 481                     interfaceBuilder.addAugmentation(intf1Builder.setOts(otsBuilder.build()).build());
 482                     openRoadmInterfaces.postInterface(realNodeId,interfaceBuilder);
 483                     LOG.info("Spanloss Value update completed successfully");
 484                     return true;
 485                 } else {
 486                     LOG.error("Interface not found for nodeId: {} and interfaceName: {}", nodeId,interfaceName);
 487                     return false;
 488                 }
 489             }
 490         } catch (OpenRoadmInterfaceException e) {
 491             // TODO Auto-generated catch block
 492             LOG.error("OpenRoadmInterfaceException occured: ",e);
 493         } /**catch (InterruptedException e) {
 494          // TODO Auto-generated catch block
 495          } catch (ExecutionException e) {
 496          // TODO Auto-generated catch block
 497          }**/
 498         return false;
 499     }
 500
 501     /**
 502      * This method calculates Spanloss by TranmistPower - Receive Power Steps:
 503      *
 504      * <p>
 505      * 1. Read PM measurement
 506      *
 507      * <p>
 508      * 2. Set Spanloss value for interface
 509      *
 510      * @param roadmLinks
 511      *            reference to list of RoadmLinks
 512      * @return map with list of spans with their spanloss value
 513      */
 514     private Map<LinkId, BigDecimal> getLinkSpanloss(List<RoadmLinks> roadmLinks) {
 515         Map<LinkId, BigDecimal> map = new HashMap<>();
 516         LOG.info("Executing GetLinkSpanLoss");
 517         BigDecimal spanLoss;
 518         for (RoadmLinks link : roadmLinks) {
 519             String sourceNodeId = link.getSrcNodeId();
 520             String sourceTpId = link.getSrcTpId();
 521             String destNodeId = link.getDestNodeId();
 522             String destTpId = link.getDestTpid();
 523             OtsPmHolder srcOtsPmHoler = getPmMeasurements(sourceNodeId, sourceTpId, "OpticalPowerOutput");
 524             OtsPmHolder destOtsPmHoler = getPmMeasurements(destNodeId, destTpId, "OpticalPowerInput");
 525             if (srcOtsPmHoler.getOtsInterfaceName() == null || destOtsPmHoler.getOtsInterfaceName() == null) {
 526                 LOG.warn("OTS is not present for the link {}", link);
 527                 continue;
 528             }
 529             spanLoss = BigDecimal.valueOf(srcOtsPmHoler.getOtsParameterVal() - destOtsPmHoler.getOtsParameterVal())
 530                 .setScale(1, RoundingMode.HALF_UP);
 531             LOG.info("Spanloss Calculated as :{}={}-{}",
 532                 spanLoss, srcOtsPmHoler.getOtsParameterVal(), destOtsPmHoler.getOtsParameterVal());
 533             if (spanLoss.doubleValue() > 28) {
 534                 LOG.warn("Span Loss is out of range of OpenROADM specifications");
 535             }
 536             if (!setSpanLoss(sourceNodeId, srcOtsPmHoler.getOtsInterfaceName(), spanLoss, "TX")) {
 537                 LOG.info("Setting spanLoss failed for {}", sourceNodeId);
 538                 return null;
 539             }
 540             if (!setSpanLoss(destNodeId, destOtsPmHoler.getOtsInterfaceName(), spanLoss, "RX")) {
 541                 LOG.info("Setting spanLoss failed for {}", destNodeId);
 542                 return null;
 543             }
 544             map.put(link.getLinkId(), spanLoss);
 545         }
 546         return map;
 547     }
 548
 549     private String getRealNodeId(String mappedNodeId) {
 550         KeyedInstanceIdentifier<Node, NodeKey> mappedNodeII =
 551             InstanceIdentifiers.OVERLAY_NETWORK_II.child(Node.class, new NodeKey(new NodeId(mappedNodeId)));
 552         Optional<Node> realNode;
 553         try (ReadTransaction readOnlyTransaction = this.dataBroker.newReadOnlyTransaction()) {
 554             realNode = readOnlyTransaction.read(LogicalDatastoreType.CONFIGURATION, mappedNodeII).get();
 555         } catch (InterruptedException | ExecutionException e) {
 556             LOG.error("Error on getRealNodeId {} :", mappedNodeId, e);
 557             throw new IllegalStateException(e);
 558         }
 559         if (!realNode.isPresent() || (realNode.get().getSupportingNode() == null)) {
 560             LOG.error("supporting node is null");
 561             throw new IllegalArgumentException(
 562                 String.format("Could not find node %s, or supporting node is not present", mappedNodeId));
 563         }
 564         List<SupportingNode> collect = realNode.get().nonnullSupportingNode().values().stream()
 565             .filter(node -> (node.getNetworkRef() != null)
 566                 && NetworkUtils.UNDERLAY_NETWORK_ID.equals(node.getNetworkRef().getValue())
 567                 && (node.getNodeRef() != null) && !Strings.isNullOrEmpty(node.getNodeRef().getValue()))
 568             .collect(Collectors.toList());
 569         if (collect.isEmpty() || (collect.size() > 1)) {
 570             throw new IllegalArgumentException(String.format("Invalid support node count [%d] was found for node %s",
 571                 collect.size(), mappedNodeId));
 572
 573         }
 574         LOG.info("getRealNodeId - return {}", collect.iterator().next().getNodeRef().getValue());
 575         return collect.iterator().next().getNodeRef().getValue();
 576     }
 577
 578     private Link getNetworkLinkById(LinkId linkId) {
 579         NetworkKey overlayTopologyKey = new NetworkKey(new NetworkId(NetworkUtils.OVERLAY_NETWORK_ID));
 580         InstanceIdentifier<Link> linkIID = InstanceIdentifier.builder(Networks.class)
 581             .child(Network.class, overlayTopologyKey)
 582             .augmentation(Network1.class).child(Link.class, new LinkKey(linkId))
 583             .build();
 584         Optional<Link> linkOptional;
 585         try (ReadTransaction rtx = dataBroker.newReadOnlyTransaction()) {
 586             //TODO change to constant from Timeouts class when it will be merged.
 587             linkOptional = rtx.read(LogicalDatastoreType.CONFIGURATION, linkIID).get(Timeouts.DATASTORE_READ,
 588                 TimeUnit.MILLISECONDS);
 589             return linkOptional.get();
 590         } catch (InterruptedException | ExecutionException | TimeoutException e) {
 591             LOG.warn("Read of {} topology failed", NetworkUtils.OVERLAY_NETWORK_ID);
 592             return null;
 593         }
 594     }
 595
 596 }