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.List;
  17 import java.util.Optional;
  18 import java.util.concurrent.ExecutionException;
  19 import java.util.concurrent.TimeUnit;
  20 import java.util.concurrent.TimeoutException;
  21 import java.util.stream.Collectors;
  22 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  23 import org.opendaylight.controller.md.sal.binding.api.ReadOnlyTransaction;
  24 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  25 import org.opendaylight.transportpce.common.InstanceIdentifiers;
  26 import org.opendaylight.transportpce.common.NetworkUtils;
  27 import org.opendaylight.transportpce.common.ResponseCodes;
  28 import org.opendaylight.transportpce.common.StringConstants;
  29 import org.opendaylight.transportpce.common.Timeouts;
  30 import org.opendaylight.transportpce.common.device.DeviceTransactionManager;
  31 import org.opendaylight.transportpce.common.mapping.MappingUtils;
  32 import org.opendaylight.transportpce.common.mapping.PortMapping;
  33 import org.opendaylight.transportpce.common.openroadminterfaces.OpenRoadmInterfaceException;
  34 import org.opendaylight.transportpce.common.openroadminterfaces.OpenRoadmInterfaces;
  35 import org.opendaylight.transportpce.olm.power.PowerMgmt;
  36 import org.opendaylight.transportpce.olm.util.OlmUtils;
  37 import org.opendaylight.transportpce.olm.util.OtsPmHolder;
  38 import org.opendaylight.transportpce.olm.util.RoadmLinks;
  39 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.olm.rev170418.CalculateSpanlossBaseInput;
  40 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.olm.rev170418.CalculateSpanlossBaseOutput;
  41 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.olm.rev170418.CalculateSpanlossBaseOutputBuilder;
  42 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.olm.rev170418.CalculateSpanlossCurrentInput;
  43 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.olm.rev170418.CalculateSpanlossCurrentOutput;
  44 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.olm.rev170418.CalculateSpanlossCurrentOutputBuilder;
  45 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.olm.rev170418.GetPmInput;
  46 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.olm.rev170418.GetPmInputBuilder;
  47 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.olm.rev170418.GetPmOutput;
  48 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.olm.rev170418.GetPmOutputBuilder;
  49 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.olm.rev170418.ServicePowerResetInput;
  50 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.olm.rev170418.ServicePowerResetOutput;
  51 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.olm.rev170418.ServicePowerSetupInput;
  52 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.olm.rev170418.ServicePowerSetupOutput;
  53 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.olm.rev170418.ServicePowerSetupOutputBuilder;
  54 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.olm.rev170418.ServicePowerTurndownInput;
  55 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.olm.rev170418.ServicePowerTurndownOutput;
  56 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.olm.rev170418.ServicePowerTurndownOutputBuilder;
  57 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.olm.rev170418.get.pm.output.Measurements;
  58 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.portmapping.rev170228.network.nodes.Mapping;
  59 import org.opendaylight.yang.gen.v1.http.org.openroadm.common.types.rev161014.RatioDB;
  60 import org.opendaylight.yang.gen.v1.http.org.openroadm.device.rev170206.interfaces.grp.Interface;
  61 import org.opendaylight.yang.gen.v1.http.org.openroadm.device.rev170206.interfaces.grp.InterfaceBuilder;
  62 import org.opendaylight.yang.gen.v1.http.org.openroadm.device.rev170206.interfaces.grp.InterfaceKey;
  63 import org.opendaylight.yang.gen.v1.http.org.openroadm.device.rev170206.org.openroadm.device.container.OrgOpenroadmDevice;
  64 import org.opendaylight.yang.gen.v1.http.org.openroadm.network.topology.rev181130.Link1;
  65 import org.opendaylight.yang.gen.v1.http.org.openroadm.network.types.rev181130.OpenroadmLinkType;
  66 import org.opendaylight.yang.gen.v1.http.org.openroadm.optical.transport.interfaces.rev161014.Interface1;
  67 import org.opendaylight.yang.gen.v1.http.org.openroadm.optical.transport.interfaces.rev161014.Interface1Builder;
  68 import org.opendaylight.yang.gen.v1.http.org.openroadm.optical.transport.interfaces.rev161014.ots.container.Ots;
  69 import org.opendaylight.yang.gen.v1.http.org.openroadm.optical.transport.interfaces.rev161014.ots.container.OtsBuilder;
  70 import org.opendaylight.yang.gen.v1.http.org.openroadm.pm.types.rev161014.PmGranularity;
  71
  72 import org.opendaylight.yang.gen.v1.http.org.openroadm.resource.types.rev161014.ResourceTypeEnum;
  73 import org.opendaylight.yang.gen.v1.http.org.transportpce.common.types.rev170907.PmNamesEnum;
  74 import org.opendaylight.yang.gen.v1.http.org.transportpce.common.types.rev170907.olm.get.pm.input.ResourceIdentifierBuilder;
  75 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.rev180226.NetworkId;
  76 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.rev180226.Networks;
  77 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.rev180226.NodeId;
  78 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.rev180226.networks.Network;
  79 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.rev180226.networks.NetworkKey;
  80 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.rev180226.networks.network.Node;
  81 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.rev180226.networks.network.NodeKey;
  82 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.rev180226.networks.network.node.SupportingNode;
  83 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.topology.rev180226.LinkId;
  84 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.topology.rev180226.Network1;
  85 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.topology.rev180226.networks.network.Link;
  86 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.topology.rev180226.networks.network.LinkKey;
  87
  88 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  89 import org.opendaylight.yangtools.yang.binding.KeyedInstanceIdentifier;
  90 import org.slf4j.Logger;
  91 import org.slf4j.LoggerFactory;
  92
  93 public class OlmPowerServiceImpl implements OlmPowerService {
  94     private static final Logger LOG = LoggerFactory.getLogger(OlmPowerServiceImpl.class);
  95     private final MappingUtils mappingUtils;
  96     private final OpenRoadmInterfaces openRoadmInterfaces;
  97     private final DataBroker dataBroker;
  98     private final PowerMgmt powerMgmt;
  99     private final DeviceTransactionManager deviceTransactionManager;
 100     private final PortMapping portMapping;
 101
 102     public OlmPowerServiceImpl(DataBroker dataBroker, PowerMgmt powerMgmt,
 103                                DeviceTransactionManager deviceTransactionManager, PortMapping portMapping,
 104                                MappingUtils mappingUtils, OpenRoadmInterfaces openRoadmInterfaces) {
 105         this.dataBroker = dataBroker;
 106         this.powerMgmt = powerMgmt;
 107         this.portMapping = portMapping;
 108         this.deviceTransactionManager = deviceTransactionManager;
 109         this.mappingUtils = mappingUtils;
 110         this.openRoadmInterfaces = openRoadmInterfaces;
 111     }
 112
 113     public void init() {
 114         LOG.info("init ...");
 115     }
 116
 117     public void close() {
 118         LOG.info("close ...");
 119     }
 120
 121
 122     @Override
 123     public GetPmOutput getPm(GetPmInput pmInput) {
 124         org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.portmapping
 125             .rev170228.network.Nodes.OpenroadmVersion openroadmVersion;
 126         //LOG.info("Version returbed by mapping util is "+ mappingUtils.getOpenROADMVersion(pmInput.getNodeId()));
 127         if (mappingUtils.getOpenRoadmVersion(pmInput.getNodeId())
 128             .equals(StringConstants.OPENROADM_DEVICE_VERSION_1_2_1)) {
 129             LOG.info("Device version is 1.2.1");
 130             openroadmVersion = org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.portmapping
 131                 .rev170228.network.Nodes.OpenroadmVersion._121;
 132         } else {
 133             openroadmVersion = org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.portmapping
 134                 .rev170228.network.Nodes.OpenroadmVersion._221;
 135             LOG.info("Device version is 2.2");
 136         }
 137         LOG.info("Now calling get pm data");
 138         GetPmOutputBuilder pmOutputBuilder = OlmUtils.pmFetch(pmInput, deviceTransactionManager,
 139             openroadmVersion);
 140
 141         return pmOutputBuilder.build();
 142     }
 143
 144     @Override
 145     public ServicePowerSetupOutput servicePowerSetup(ServicePowerSetupInput powerSetupInput) {
 146         ServicePowerSetupOutputBuilder powerSetupOutput = new ServicePowerSetupOutputBuilder();
 147         boolean successValPowerCalculation = powerMgmt.setPower(powerSetupInput);
 148
 149         if (successValPowerCalculation) {
 150             powerSetupOutput.setResult(ResponseCodes.SUCCESS_RESULT);
 151         } else {
 152             powerSetupOutput.setResult(ResponseCodes.FAILED_RESULT);
 153         }
 154         return powerSetupOutput.build();
 155     }
 156
 157     @Override
 158     public ServicePowerTurndownOutput servicePowerTurndown(
 159         ServicePowerTurndownInput powerTurndownInput) {
 160
 161         ServicePowerTurndownOutputBuilder powerTurnDownOutput = new ServicePowerTurndownOutputBuilder();
 162         // TODO add flag or return failure instead of string
 163         if (powerMgmt.powerTurnDown(powerTurndownInput)) {
 164             powerTurnDownOutput.setResult(ResponseCodes.SUCCESS_RESULT);
 165         } else {
 166             powerTurnDownOutput.setResult(ResponseCodes.FAILED_RESULT);
 167         }
 168         return powerTurnDownOutput.build();
 169     }
 170
 171     @Override
 172     public CalculateSpanlossBaseOutput calculateSpanlossBase(CalculateSpanlossBaseInput spanlossBaseInput) {
 173         LOG.info("CalculateSpanlossBase Request received for source type {}", spanlossBaseInput.getSrcType());
 174         List<RoadmLinks> roadmLinks = new ArrayList<>();
 175         CalculateSpanlossBaseOutputBuilder spanLossBaseBuilder = new CalculateSpanlossBaseOutputBuilder();
 176         boolean spanLossResult = false;
 177         //Depending on the source type do the calculation
 178         switch (spanlossBaseInput.getSrcType()) {
 179             case Link:
 180                 LOG.debug("Calculate SpanLossBase for a linkId: {}",spanlossBaseInput.getLinkId());
 181                 Link inputLink = getNetworkLinkById(spanlossBaseInput.getLinkId());
 182                 if (inputLink != null) {
 183                     RoadmLinks roadmLink = new RoadmLinks();
 184                     roadmLink.setSrcNodeId(inputLink.getSource().getSourceNode().getValue());
 185                     roadmLink.setSrcTpId(inputLink.getSource().getSourceTp().toString());
 186                     roadmLink.setDestNodeId(inputLink.getDestination().getDestNode().getValue());
 187                     roadmLink.setDestTpid(inputLink.getDestination().getDestTp().toString());
 188                     roadmLink.setLinkId(inputLink.getLinkId());
 189                     roadmLinks.add(roadmLink);
 190                     spanLossResult = getLinkSpanloss(roadmLinks);
 191                 }
 192                 break;
 193             case All:
 194                 LOG.info("Do something for all");
 195                 List<Link> networkLinks = getNetworkLinks();
 196                 if (networkLinks.isEmpty()) {
 197                     LOG.warn("Failed to get links form {} topology.", NetworkUtils.OVERLAY_NETWORK_ID);
 198                     return new CalculateSpanlossBaseOutputBuilder().setResult(ResponseCodes.FAILED_RESULT).build();
 199                 }
 200                 //else for all other links
 201                 for (Link link : networkLinks) {
 202                     Link1 roadmLinkAugmentation = link.augmentation(Link1.class);
 203                     if (roadmLinkAugmentation == null) {
 204                         LOG.debug("Missing OpenRoadm link augmentation in link {} from {} topology.",
 205                             link.getLinkId().getValue(), NetworkUtils.OVERLAY_NETWORK_ID);
 206                         continue;
 207                     }
 208                     if (OpenroadmLinkType.ROADMTOROADM.equals(roadmLinkAugmentation.getLinkType())) {
 209                         // Only calculate spanloss for Roadm-to-Roadm links
 210                         RoadmLinks roadmLink = new RoadmLinks();
 211                         roadmLink.setSrcNodeId(link.getSource().getSourceNode().getValue());
 212                         roadmLink.setSrcTpId(link.getSource().getSourceTp().toString());
 213                         roadmLink.setDestNodeId(link.getDestination().getDestNode().getValue());
 214                         roadmLink.setDestTpid(link.getDestination().getDestTp().toString());
 215                         roadmLink.setLinkId(link.getLinkId());
 216                         roadmLinks.add(roadmLink);
 217                     }
 218                 }
 219                 if (roadmLinks.isEmpty()) {
 220                     LOG.warn("Topology {} does not have any Roadm-to-Roadm links.", NetworkUtils.OVERLAY_NETWORK_ID);
 221                     return new CalculateSpanlossBaseOutputBuilder().setResult(ResponseCodes.FAILED_RESULT).build();
 222                 }
 223                 spanLossResult = getLinkSpanloss(roadmLinks);
 224                 break;
 225         }
 226
 227         if (spanLossResult) {
 228             spanLossBaseBuilder.setResult(ResponseCodes.SUCCESS_RESULT);
 229             return spanLossBaseBuilder.build();
 230         } else {
 231             LOG.warn("Spanloss calculation failed");
 232             spanLossBaseBuilder.setResult(ResponseCodes.FAILED_RESULT);
 233             return spanLossBaseBuilder.build();
 234         }
 235
 236     }
 237
 238
 239     @Override
 240     public CalculateSpanlossCurrentOutput calculateSpanlossCurrent(CalculateSpanlossCurrentInput input) {
 241         LOG.info("calculateSpanlossCurrent Request received for all links in network model.");
 242         List<Link> networkLinks = getNetworkLinks();
 243         if (networkLinks.isEmpty()) {
 244             LOG.warn("Failed to get links form {} topology.", NetworkUtils.OVERLAY_NETWORK_ID);
 245             return null;
 246         }
 247         List<RoadmLinks> roadmLinks = new ArrayList<>();
 248         for (Link link : networkLinks) {
 249             Link1 roadmLinkAugmentation = link.augmentation(Link1.class);
 250             if (roadmLinkAugmentation == null) {
 251                 LOG.debug("Missing OpenRoadm link augmentation in link {} from {} topology.",
 252                     link.getLinkId().getValue(), NetworkUtils.OVERLAY_NETWORK_ID);
 253                 continue;
 254             }
 255             if (OpenroadmLinkType.ROADMTOROADM.equals(roadmLinkAugmentation.getLinkType())) {
 256                 // Only calculate spanloss for Roadm-to-Roadm links
 257                 RoadmLinks roadmLink = new RoadmLinks();
 258                 roadmLink.setSrcNodeId(link.getSource().getSourceNode().toString());
 259                 roadmLink.setSrcTpId(link.getSource().getSourceTp().toString());
 260                 roadmLink.setDestNodeId(link.getDestination().getDestNode().toString());
 261                 roadmLink.setDestTpid(link.getDestination().getDestTp().toString());
 262                 roadmLinks.add(roadmLink);
 263             }
 264         }
 265
 266         if (roadmLinks.isEmpty()) {
 267             LOG.warn("Topology {} does not have any Roadm-to-Roadm links.", NetworkUtils.OVERLAY_NETWORK_ID);
 268             return null;
 269         }
 270
 271         boolean spanLossResult = getLinkSpanloss(roadmLinks);
 272         CalculateSpanlossCurrentOutputBuilder spanLossCurrentBuilder = new CalculateSpanlossCurrentOutputBuilder();
 273         if (spanLossResult) {
 274             spanLossCurrentBuilder.setResult(ResponseCodes.SUCCESS_RESULT);
 275             return spanLossCurrentBuilder.build();
 276         } else {
 277             LOG.error("Spanloss Current calculation failed");
 278             spanLossCurrentBuilder.setResult(ResponseCodes.FAILED_RESULT);
 279             return spanLossCurrentBuilder.build();
 280         }
 281     }
 282
 283     @Override
 284     public ServicePowerResetOutput servicePowerReset(ServicePowerResetInput input) {
 285         // TODO
 286         return null;
 287     }
 288
 289     private List<Link> getNetworkLinks() {
 290         NetworkKey overlayTopologyKey = new NetworkKey(new NetworkId(NetworkUtils.OVERLAY_NETWORK_ID));
 291
 292         InstanceIdentifier<Network1> networkIID = InstanceIdentifier.builder(Networks.class)
 293             .child(Network.class, overlayTopologyKey)
 294                 .augmentation(Network1.class)
 295                 .build();
 296         Optional<Network1> networkOptional;
 297         try (ReadOnlyTransaction rtx = this.dataBroker.newReadOnlyTransaction()) {
 298             //TODO change to constant from Timeouts class when it will be merged.
 299             networkOptional = rtx.read(LogicalDatastoreType.CONFIGURATION, networkIID).get(Timeouts.DATASTORE_READ,
 300                 TimeUnit.MILLISECONDS).toJavaUtil();
 301
 302         } catch (InterruptedException | ExecutionException | TimeoutException e) {
 303             LOG.warn("Read of {} topology failed", NetworkUtils.OVERLAY_NETWORK_ID);
 304             return Collections.emptyList();
 305         }
 306
 307         if (! networkOptional.isPresent()) {
 308             LOG.warn("Network augmentation with links data is not present in {} topology.",
 309                 NetworkUtils.OVERLAY_NETWORK_ID);
 310
 311             return Collections.emptyList();
 312         }
 313
 314         List<Link> networkLinks = networkOptional.get().getLink();
 315         if ((networkLinks == null) || networkLinks.isEmpty()) {
 316             LOG.warn("Links are not present in {} topology.", NetworkUtils.OVERLAY_NETWORK_ID);
 317             return Collections.emptyList();
 318         }
 319         return networkLinks;
 320     }
 321
 322     /**
 323      * This method retrieves OTS PM from current PM list by nodeId and TPId: Steps:
 324      *
 325      * <p>
 326      * 1. Get OTS interface name from port mapping by TPId 2. Call getPm RPC to get OTS PM
 327      *
 328      * <p>
 329      *
 330      * @param nodeId Node-id of the NE.
 331      * @param tpID Termination point Name.
 332      * @param pmName PM name which need to be retrieved
 333      * @return reference to OtsPmHolder
 334      */
 335     private OtsPmHolder getPmMeasurements(String nodeId, String tpID, String pmName) {
 336         String realNodeId = getRealNodeId(nodeId);
 337         Mapping mapping = portMapping.getMapping(realNodeId, tpID);
 338         if (mapping == null) {
 339             return null;
 340         }
 341         GetPmInput getPmInput = new GetPmInputBuilder().setNodeId(realNodeId)
 342             .setResourceType(ResourceTypeEnum.Interface)
 343             .setResourceIdentifier(
 344                 new ResourceIdentifierBuilder().setResourceName(mapping.getSupportingOts()).build())
 345             .setPmNameType(PmNamesEnum.valueOf(pmName))
 346             .setGranularity(PmGranularity._15min)
 347             .build();
 348         GetPmOutput otsPmOutput = getPm(getPmInput);
 349
 350         if (otsPmOutput == null) {
 351             LOG.info("OTS PM not found for NodeId: {} TP Id:{} PMName:{}", realNodeId, tpID, pmName);
 352             return null;
 353         }
 354         try {
 355             for (Measurements measurement : otsPmOutput.getMeasurements()) {
 356                 if (pmName.equals(measurement.getPmparameterName())) {
 357                     return new OtsPmHolder(pmName, Double.parseDouble(measurement.getPmparameterValue()),
 358                         mapping.getSupportingOts());
 359                 }
 360             }
 361         } catch (NumberFormatException e) {
 362             LOG.warn("Unable to get PM for NodeId: {} TP Id:{} PMName:{}", realNodeId, tpID, pmName, e);
 363         }
 364         return null;
 365     }
 366
 367     /**
 368      * This method Sets Spanloss on A-End and Z-End OTS interface: Steps:
 369      *
 370      * <p>
 371      * 1. Read existing interface details
 372      *
 373      * <p>
 374      * 2. Set spanloss
 375      *
 376      * @param nodeId nodeId of NE on which spanloss need to be updated
 377      * @param interfaceName OTS interface for NE on which spanloss is cacluated
 378      * @param spanLoss calculated spanloss value
 379      * @param direction for which spanloss is calculated.It can be either Tx or Rx
 380      * @return true/false
 381      */
 382     private boolean setSpanLoss(String nodeId, String interfaceName, BigDecimal spanLoss, String direction,
 383                                 LinkId linkId) {
 384         String realNodeId = getRealNodeId(nodeId);
 385         BigDecimal initialSpanloss = new BigDecimal(0);
 386         try {
 387             LOG.info("Setting Spanloss in device for {}, InterfaceName: {}", realNodeId, interfaceName);
 388             if (mappingUtils.getOpenRoadmVersion(realNodeId)
 389                 .equals(StringConstants.OPENROADM_DEVICE_VERSION_1_2_1)) {
 390                 RatioDB spanLossRx;
 391                 RatioDB spanLossTx;
 392
 393                 Optional<Interface> interfaceObject;
 394                 interfaceObject = openRoadmInterfaces.getInterface(realNodeId, interfaceName);
 395                 if (interfaceObject.isPresent()) {
 396                     InstanceIdentifier<Interface> interfacesIID = InstanceIdentifier.create(OrgOpenroadmDevice.class)
 397                         .child(Interface.class, new InterfaceKey(interfaceName));
 398                     InterfaceBuilder interfaceBuilder = new InterfaceBuilder(interfaceObject.get());
 399                     OtsBuilder otsBuilder = new OtsBuilder();
 400                     Interface intf = interfaceObject.get();
 401                     if (intf.augmentation(Interface1.class) != null
 402                         && intf.augmentation(Interface1.class).getOts() != null) {
 403                         Ots ots = intf.augmentation(Interface1.class).getOts();
 404                         otsBuilder.setFiberType(ots.getFiberType());
 405                         spanLossRx = ots.getSpanLossReceive();
 406                         spanLossTx = ots.getSpanLossTransmit();
 407                     } else {
 408                         spanLossRx = new RatioDB(spanLoss);
 409                         spanLossTx = new RatioDB(spanLoss);
 410                     }
 411                     Interface1Builder intf1Builder = new Interface1Builder();
 412                     if (direction.equals("TX")) {
 413                         otsBuilder.setSpanLossTransmit(new RatioDB(spanLoss));
 414                         otsBuilder.setSpanLossReceive(spanLossRx);
 415                     } else {
 416                         otsBuilder.setSpanLossTransmit(spanLossTx).setSpanLossReceive(new RatioDB(spanLoss));
 417                     }
 418                     interfaceBuilder.addAugmentation(Interface1.class, intf1Builder.setOts(otsBuilder.build()).build());
 419                     openRoadmInterfaces.postInterface(realNodeId,interfaceBuilder);
 420                     LOG.info("Spanloss Value update completed successfully");
 421                     return true;
 422                 } else {
 423                     LOG.error("Interface not found for nodeId: {} and interfaceName: {}",
 424                         nodeId,interfaceName);
 425                     return false;
 426                 }
 427             } else if (mappingUtils.getOpenRoadmVersion(realNodeId)
 428                 .equals(StringConstants.OPENROADM_DEVICE_VERSION_2_2_1)) {
 429
 430                 org.opendaylight.yang.gen.v1.http.org.openroadm.common.types.rev181019.RatioDB spanLossRx;
 431                 org.opendaylight.yang.gen.v1.http.org.openroadm.common.types
 432                     .rev181019.RatioDB spanLossTx;
 433                 Optional<org.opendaylight.yang.gen.v1.http.org.openroadm.device.rev181019
 434                     .interfaces.grp.Interface> interfaceObject =
 435                         openRoadmInterfaces.getInterface(nodeId, interfaceName);
 436                 if (interfaceObject.isPresent()) {
 437                     InstanceIdentifier<org.opendaylight.yang.gen.v1.http.org.openroadm.device.rev181019
 438                         .interfaces.grp.Interface> interfacesIID =
 439                         InstanceIdentifier.create(org.opendaylight.yang.gen.v1.http.org.openroadm
 440                             .device.rev181019.org.openroadm.device.container.OrgOpenroadmDevice.class)
 441                             .child(org.opendaylight.yang.gen.v1.http.org.openroadm
 442                                 .device.rev181019.interfaces.grp.Interface.class, new org.opendaylight.yang.gen
 443                                 .v1.http.org.openroadm.device.rev181019.interfaces.grp.InterfaceKey(interfaceName));
 444                     org.opendaylight.yang.gen.v1.http.org.openroadm.device
 445                         .rev181019.interfaces.grp.InterfaceBuilder interfaceBuilder =
 446                         new org.opendaylight.yang.gen.v1.http.org.openroadm.device
 447                             .rev181019.interfaces.grp.InterfaceBuilder(interfaceObject.get());
 448                     org.opendaylight.yang.gen.v1.http.org.openroadm.optical
 449                         .transport.interfaces.rev181019.ots.container.OtsBuilder otsBuilder =
 450                         new org.opendaylight.yang.gen.v1.http.org.openroadm
 451                             .optical.transport.interfaces.rev181019.ots.container.OtsBuilder();
 452                     org.opendaylight.yang.gen.v1.http.org.openroadm.device.rev181019.interfaces.grp.Interface intf =
 453                         interfaceObject.get();
 454                     if (intf.augmentation(org.opendaylight.yang.gen.v1.http.org.openroadm.optical
 455                         .transport.interfaces.rev181019.Interface1.class) != null
 456                             && intf.augmentation(org.opendaylight.yang.gen.v1.http.org.openroadm.optical.transport
 457                                 .interfaces.rev181019.Interface1.class).getOts() != null) {
 458                         org.opendaylight.yang.gen.v1.http.org.openroadm.optical.transport.interfaces
 459                             .rev181019.ots.container.Ots ots =
 460                                 intf.augmentation(org.opendaylight.yang.gen.v1.http.org.openroadm.optical
 461                                     .transport.interfaces.rev181019.Interface1.class).getOts();
 462
 463                         otsBuilder.setFiberType(ots.getFiberType());
 464                         spanLossRx = ots.getSpanLossReceive();
 465                         spanLossTx = ots.getSpanLossTransmit();
 466                     } else {
 467                         spanLossRx = new org.opendaylight.yang.gen.v1.http.org
 468                             .openroadm.common.types.rev181019.RatioDB(spanLoss);
 469                         spanLossTx = new org.opendaylight.yang.gen.v1.http.org
 470                             .openroadm.common.types.rev181019.RatioDB(spanLoss);
 471                     }
 472                     org.opendaylight.yang.gen.v1.http.org.openroadm.optical.transport.interfaces
 473                         .rev181019.Interface1Builder intf1Builder =
 474                             new org.opendaylight.yang.gen.v1.http.org.openroadm.optical
 475                             .transport.interfaces.rev181019.Interface1Builder();
 476                     if (direction.equals("TX")) {
 477                         otsBuilder.setSpanLossTransmit(new org.opendaylight.yang.gen.v1.http.org
 478                             .openroadm.common.types.rev181019.RatioDB(spanLoss));
 479                         otsBuilder.setSpanLossReceive(spanLossRx);
 480                     } else {
 481                         otsBuilder.setSpanLossTransmit(spanLossTx).setSpanLossReceive(
 482                             new org.opendaylight.yang.gen.v1.http.org.openroadm.common.types.rev181019.RatioDB(spanLoss)
 483                         );
 484                     }
 485                     interfaceBuilder.addAugmentation(org.opendaylight.yang.gen.v1.http
 486                         .org.openroadm.optical.transport.interfaces.rev181019.Interface1.class,
 487                         intf1Builder.setOts(otsBuilder.build()).build());
 488                     openRoadmInterfaces.postInterface(realNodeId,interfaceBuilder);
 489                     LOG.info("Spanloss Value update completed successfully");
 490                     return true;
 491                 } else {
 492                     LOG.error("Interface not found for nodeId: {} and interfaceName: {}",
 493                         nodeId,interfaceName);
 494                     return false;
 495                 }
 496             }
 497         } catch (OpenRoadmInterfaceException e) {
 498             // TODO Auto-generated catch block
 499             e.printStackTrace();
 500         } /**catch (InterruptedException e) {
 501          // TODO Auto-generated catch block
 502             e.printStackTrace();
 503         } catch (ExecutionException e) {
 504          // TODO Auto-generated catch block
 505             e.printStackTrace();
 506         }**/
 507         return false;
 508     }
 509
 510     /**
 511      * This method calculates Spanloss by TranmistPower - Receive Power Steps:
 512      *
 513      * <p>
 514      * 1. Read PM measurement
 515      *
 516      * <p>
 517      * 2. Set Spanloss value for interface
 518      *
 519      * @param roadmLinks
 520      *            reference to list of RoadmLinks
 521      * @return map with list of spans with their spanloss value
 522      */
 523     private boolean getLinkSpanloss(List<RoadmLinks> roadmLinks) {
 524         LOG.info("Executing GetLinkSpanLoss");
 525         BigDecimal spanLoss = new BigDecimal(0);
 526
 527         for (int i = 0; i < roadmLinks.size(); i++) {
 528             //TODO Add logic to check PM measurement for 3 times
 529             OtsPmHolder srcOtsPmHoler = getPmMeasurements(roadmLinks.get(i).getSrcNodeId(),
 530                 roadmLinks.get(i).getSrcTpId(), "OpticalPowerOutput");
 531             OtsPmHolder destOtsPmHoler = getPmMeasurements(roadmLinks.get(i).getDestNodeId(),
 532                 roadmLinks.get(i).getDestTpid(), "OpticalPowerInput");
 533             spanLoss = new BigDecimal(srcOtsPmHoler.getOtsParameterVal() - destOtsPmHoler.getOtsParameterVal())
 534                 .setScale(0, RoundingMode.HALF_UP);
 535             LOG.info("Spanloss Calculated as :" + spanLoss + "=" + srcOtsPmHoler.getOtsParameterVal() + "-"
 536                 + destOtsPmHoler.getOtsParameterVal());
 537             //TODO make it 3 times in here
 538             if (spanLoss.doubleValue() < 28 && spanLoss.doubleValue() > 0) {
 539                 if (!setSpanLoss(roadmLinks.get(i).getSrcNodeId(), srcOtsPmHoler.getOtsInterfaceName(), spanLoss,
 540                     "TX", roadmLinks.get(i).getLinkId())) {
 541                     LOG.info("Setting spanLoss failed for " + roadmLinks.get(i).getSrcNodeId());
 542                     return false;
 543                 }
 544                 if (!setSpanLoss(roadmLinks.get(i).getDestNodeId(), destOtsPmHoler.getOtsInterfaceName(), spanLoss,
 545                     "RX",roadmLinks.get(i).getLinkId())) {
 546                     LOG.info("Setting spanLoss failed for " + roadmLinks.get(i).getDestNodeId());
 547                     return false;
 548                 }
 549             }
 550         }
 551         return true;
 552     }
 553
 554     private String getRealNodeId(String mappedNodeId) {
 555         KeyedInstanceIdentifier<Node, NodeKey> mappedNodeII =
 556             InstanceIdentifiers.OVERLAY_NETWORK_II.child(Node.class, new NodeKey(new NodeId(mappedNodeId)));
 557         com.google.common.base.Optional<Node> realNode;
 558         try (ReadOnlyTransaction readOnlyTransaction = this.dataBroker.newReadOnlyTransaction()) {
 559             realNode = readOnlyTransaction.read(LogicalDatastoreType.CONFIGURATION, mappedNodeII).get();
 560         } catch (InterruptedException | ExecutionException e) {
 561             LOG.error(e.getMessage(), e);
 562             throw new IllegalStateException(e);
 563         }
 564         if (!realNode.isPresent() || (realNode.get().getSupportingNode() == null)) {
 565             throw new IllegalArgumentException(
 566                 String.format("Could not find node %s, or supporting node is not present", mappedNodeId));
 567         }
 568         List<SupportingNode> collect = realNode.get().getSupportingNode().stream()
 569             .filter(node -> (node.getNetworkRef() != null)
 570                 && NetworkUtils.UNDERLAY_NETWORK_ID.equals(node.getNetworkRef().getValue())
 571                 && (node.getNodeRef() != null) && !Strings.isNullOrEmpty(node.getNodeRef().getValue()))
 572             .collect(Collectors.toList());
 573         if (collect.isEmpty() || (collect.size() > 1)) {
 574             throw new IllegalArgumentException(String.format("Invalid support node count [%d] was found for node %s",
 575                 collect.size(), mappedNodeId));
 576
 577         }
 578         return collect.iterator().next().getNodeRef().getValue();
 579     }
 580
 581     private Link getNetworkLinkById(LinkId linkId) {
 582         NetworkKey overlayTopologyKey = new NetworkKey(new NetworkId(NetworkUtils.OVERLAY_NETWORK_ID));
 583         InstanceIdentifier<Link> linkIID = InstanceIdentifier.builder(Networks.class)
 584             .child(Network.class, overlayTopologyKey)
 585             .augmentation(Network1.class).child(Link.class, new LinkKey(linkId))
 586             .build();
 587         Optional<Link> linkOptional;
 588         try (ReadOnlyTransaction rtx = dataBroker.newReadOnlyTransaction()) {
 589             //TODO change to constant from Timeouts class when it will be merged.
 590             linkOptional = rtx.read(LogicalDatastoreType.CONFIGURATION, linkIID).get(Timeouts.DATASTORE_READ,
 591                 TimeUnit.MILLISECONDS).toJavaUtil();
 592             return linkOptional.get();
 593         } catch (InterruptedException | ExecutionException | TimeoutException e) {
 594             LOG.warn("Read of {} topology failed", NetworkUtils.OVERLAY_NETWORK_ID);
 595             return null;
 596         }
 597     }
 598
 599 }