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.opendaylight.controller.md.sal.binding.api.DataBroker;
  27 import org.opendaylight.controller.md.sal.binding.api.ReadOnlyTransaction;
  28 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  29 import org.opendaylight.transportpce.common.InstanceIdentifiers;
  30 import org.opendaylight.transportpce.common.NetworkUtils;
  31 import org.opendaylight.transportpce.common.ResponseCodes;
  32 import org.opendaylight.transportpce.common.StringConstants;
  33 import org.opendaylight.transportpce.common.Timeouts;
  34 import org.opendaylight.transportpce.common.device.DeviceTransactionManager;
  35 import org.opendaylight.transportpce.common.mapping.MappingUtils;
  36 import org.opendaylight.transportpce.common.mapping.PortMapping;
  37 import org.opendaylight.transportpce.common.openroadminterfaces.OpenRoadmInterfaceException;
  38 import org.opendaylight.transportpce.common.openroadminterfaces.OpenRoadmInterfaces;
  39 import org.opendaylight.transportpce.olm.power.PowerMgmt;
  40 import org.opendaylight.transportpce.olm.util.OlmUtils;
  41 import org.opendaylight.transportpce.olm.util.OtsPmHolder;
  42 import org.opendaylight.transportpce.olm.util.RoadmLinks;
  43 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.olm.rev170418.CalculateSpanlossBaseInput;
  44 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.olm.rev170418.CalculateSpanlossBaseOutput;
  45 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.olm.rev170418.CalculateSpanlossBaseOutputBuilder;
  46 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.olm.rev170418.CalculateSpanlossCurrentInput;
  47 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.olm.rev170418.CalculateSpanlossCurrentOutput;
  48 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.olm.rev170418.CalculateSpanlossCurrentOutputBuilder;
  49 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.olm.rev170418.GetPmInput;
  50 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.olm.rev170418.GetPmInputBuilder;
  51 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.olm.rev170418.GetPmOutput;
  52 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.olm.rev170418.GetPmOutputBuilder;
  53 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.olm.rev170418.ServicePowerResetInput;
  54 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.olm.rev170418.ServicePowerResetOutput;
  55 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.olm.rev170418.ServicePowerSetupInput;
  56 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.olm.rev170418.ServicePowerSetupOutput;
  57 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.olm.rev170418.ServicePowerSetupOutputBuilder;
  58 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.olm.rev170418.ServicePowerTurndownInput;
  59 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.olm.rev170418.ServicePowerTurndownOutput;
  60 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.olm.rev170418.ServicePowerTurndownOutputBuilder;
  61 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.olm.rev170418.calculate.spanloss.base.output.Spans;
  62 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.olm.rev170418.calculate.spanloss.base.output.SpansBuilder;
  63 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.olm.rev170418.get.pm.output.Measurements;
  64 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.portmapping.rev170228.network.nodes.Mapping;
  65 import org.opendaylight.yang.gen.v1.http.org.openroadm.common.types.rev161014.RatioDB;
  66 import org.opendaylight.yang.gen.v1.http.org.openroadm.device.rev170206.interfaces.grp.Interface;
  67 import org.opendaylight.yang.gen.v1.http.org.openroadm.device.rev170206.interfaces.grp.InterfaceBuilder;
  68 import org.opendaylight.yang.gen.v1.http.org.openroadm.device.rev170206.interfaces.grp.InterfaceKey;
  69 import org.opendaylight.yang.gen.v1.http.org.openroadm.device.rev170206.org.openroadm.device.container.OrgOpenroadmDevice;
  70 import org.opendaylight.yang.gen.v1.http.org.openroadm.network.topology.rev181130.Link1;
  71 import org.opendaylight.yang.gen.v1.http.org.openroadm.network.types.rev181130.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.rev170907.PmNamesEnum;
  79 import org.opendaylight.yang.gen.v1.http.org.transportpce.common.types.rev170907.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         org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.portmapping
 129             .rev170228.network.Nodes.OpenroadmVersion openroadmVersion;
 130         if (mappingUtils.getOpenRoadmVersion(pmInput.getNodeId())
 131             .equals(StringConstants.OPENROADM_DEVICE_VERSION_1_2_1)) {
 132             LOG.info("Device version is 1.2.1");
 133             openroadmVersion = org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.portmapping
 134                 .rev170228.network.Nodes.OpenroadmVersion._121;
 135         } else {
 136             openroadmVersion = org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.portmapping
 137                 .rev170228.network.Nodes.OpenroadmVersion._221;
 138             LOG.info("Device version is 2.2.1");
 139         }
 140         LOG.info("Now calling get pm data");
 141         GetPmOutputBuilder pmOutputBuilder = OlmUtils.pmFetch(pmInput, deviceTransactionManager,
 142             openroadmVersion);
 143         return pmOutputBuilder.build();
 144     }
 145
 146     @Override
 147     public ServicePowerSetupOutput servicePowerSetup(ServicePowerSetupInput powerSetupInput) {
 148         ServicePowerSetupOutputBuilder powerSetupOutput = new ServicePowerSetupOutputBuilder();
 149         boolean successValPowerCalculation = powerMgmt.setPower(powerSetupInput);
 150         if (successValPowerCalculation) {
 151             powerSetupOutput.setResult(ResponseCodes.SUCCESS_RESULT);
 152         } else {
 153             powerSetupOutput.setResult(ResponseCodes.FAILED_RESULT);
 154         }
 155         return powerSetupOutput.build();
 156     }
 157
 158     @Override
 159     public ServicePowerTurndownOutput servicePowerTurndown(
 160         ServicePowerTurndownInput powerTurndownInput) {
 161
 162         ServicePowerTurndownOutputBuilder powerTurnDownOutput = new ServicePowerTurndownOutputBuilder();
 163         // TODO add flag or return failure instead of string
 164         if (powerMgmt.powerTurnDown(powerTurndownInput)) {
 165             powerTurnDownOutput.setResult(ResponseCodes.SUCCESS_RESULT);
 166         } else {
 167             powerTurnDownOutput.setResult(ResponseCodes.FAILED_RESULT);
 168         }
 169         return powerTurnDownOutput.build();
 170     }
 171
 172     @Override
 173     public CalculateSpanlossBaseOutput calculateSpanlossBase(CalculateSpanlossBaseInput spanlossBaseInput) {
 174         LOG.info("CalculateSpanlossBase Request received for source type {}", spanlossBaseInput.getSrcType());
 175         List<RoadmLinks> roadmLinks = new ArrayList<>();
 176         CalculateSpanlossBaseOutputBuilder spanLossBaseBuilder = new CalculateSpanlossBaseOutputBuilder();
 177         Map<LinkId, BigDecimal> spanLossResult = null;
 178         //Depending on the source type do the calculation
 179         switch (spanlossBaseInput.getSrcType()) {
 180             case Link:
 181                 LOG.debug("Calculate SpanLossBase for a linkId: {}",spanlossBaseInput.getLinkId());
 182                 Link inputLink = getNetworkLinkById(spanlossBaseInput.getLinkId());
 183                 if (inputLink != null) {
 184                     RoadmLinks roadmLink = new RoadmLinks();
 185                     roadmLink.setSrcNodeId(inputLink.getSource().getSourceNode().getValue());
 186                     roadmLink.setSrcTpId(inputLink.getSource().getSourceTp().toString());
 187                     roadmLink.setDestNodeId(inputLink.getDestination().getDestNode().getValue());
 188                     roadmLink.setDestTpid(inputLink.getDestination().getDestTp().toString());
 189                     roadmLink.setLinkId(inputLink.getLinkId());
 190                     roadmLinks.add(roadmLink);
 191                     spanLossResult = getLinkSpanloss(roadmLinks);
 192                 }
 193                 break;
 194             case All:
 195                 LOG.info("Do something for all");
 196                 List<Link> networkLinks = getNetworkLinks();
 197                 if (networkLinks.isEmpty()) {
 198                     LOG.warn("Failed to get links form {} topology.", NetworkUtils.OVERLAY_NETWORK_ID);
 199                     return new CalculateSpanlossBaseOutputBuilder().setResult(ResponseCodes.FAILED_RESULT).build();
 200                 }
 201                 //else for all other links
 202                 for (Link link : networkLinks) {
 203                     Link1 roadmLinkAugmentation = link.augmentation(Link1.class);
 204                     if (roadmLinkAugmentation == null) {
 205                         LOG.debug("Missing OpenRoadm link augmentation in link {} from {} topology.",
 206                             link.getLinkId().getValue(), NetworkUtils.OVERLAY_NETWORK_ID);
 207                         continue;
 208                     }
 209                     if (OpenroadmLinkType.ROADMTOROADM.equals(roadmLinkAugmentation.getLinkType())) {
 210                         // Only calculate spanloss for Roadm-to-Roadm links
 211                         RoadmLinks roadmLink = new RoadmLinks();
 212                         roadmLink.setSrcNodeId(link.getSource().getSourceNode().getValue());
 213                         roadmLink.setSrcTpId(link.getSource().getSourceTp().toString());
 214                         roadmLink.setDestNodeId(link.getDestination().getDestNode().getValue());
 215                         roadmLink.setDestTpid(link.getDestination().getDestTp().toString());
 216                         roadmLink.setLinkId(link.getLinkId());
 217                         roadmLinks.add(roadmLink);
 218                     }
 219                 }
 220                 if (roadmLinks.isEmpty()) {
 221                     LOG.warn("Topology {} does not have any Roadm-to-Roadm links.", NetworkUtils.OVERLAY_NETWORK_ID);
 222                     return new CalculateSpanlossBaseOutputBuilder().setResult(ResponseCodes.FAILED_RESULT).build();
 223                 }
 224                 spanLossResult = getLinkSpanloss(roadmLinks);
 225                 break;
 226             default:
 227                 LOG.info("Invalid input in request");
 228         }
 229
 230         if (spanLossResult != null && !spanLossResult.isEmpty()) {
 231             spanLossBaseBuilder.setResult(ResponseCodes.SUCCESS_RESULT);
 232             List<Spans> listSpans = new ArrayList<>();
 233             Set<Entry<LinkId, BigDecimal>> spanLossResultSet = spanLossResult.entrySet();
 234             for (Entry<LinkId, BigDecimal> entry : spanLossResultSet) {
 235                 Spans span = new SpansBuilder().setLinkId(entry.getKey()).setSpanloss(entry.getValue().toString())
 236                     .build();
 237                 listSpans.add(span);
 238             }
 239             spanLossBaseBuilder.setSpans(listSpans);
 240             return spanLossBaseBuilder.build();
 241         } else {
 242             LOG.warn("Spanloss calculation failed");
 243             spanLossBaseBuilder.setResult(ResponseCodes.FAILED_RESULT);
 244             return spanLossBaseBuilder.build();
 245         }
 246
 247     }
 248
 249
 250     @Override
 251     public CalculateSpanlossCurrentOutput calculateSpanlossCurrent(CalculateSpanlossCurrentInput input) {
 252         LOG.info("calculateSpanlossCurrent Request received for all links in network model.");
 253         List<Link> networkLinks = getNetworkLinks();
 254         if (networkLinks.isEmpty()) {
 255             LOG.warn("Failed to get links form {} topology.", NetworkUtils.OVERLAY_NETWORK_ID);
 256             return null;
 257         }
 258         List<RoadmLinks> roadmLinks = new ArrayList<>();
 259         for (Link link : networkLinks) {
 260             Link1 roadmLinkAugmentation = link.augmentation(Link1.class);
 261             if (roadmLinkAugmentation == null) {
 262                 LOG.debug("Missing OpenRoadm link augmentation in link {} from {} topology.",
 263                     link.getLinkId().getValue(), NetworkUtils.OVERLAY_NETWORK_ID);
 264                 continue;
 265             }
 266             if (OpenroadmLinkType.ROADMTOROADM.equals(roadmLinkAugmentation.getLinkType())) {
 267                 // Only calculate spanloss for Roadm-to-Roadm links
 268                 RoadmLinks roadmLink = new RoadmLinks();
 269                 roadmLink.setSrcNodeId(link.getSource().getSourceNode().getValue());
 270                 roadmLink.setSrcTpId(link.getSource().getSourceTp().toString());
 271                 roadmLink.setDestNodeId(link.getDestination().getDestNode().getValue());
 272                 roadmLink.setDestTpid(link.getDestination().getDestTp().toString());
 273                 roadmLinks.add(roadmLink);
 274             }
 275         }
 276
 277         if (roadmLinks.isEmpty()) {
 278             LOG.warn("Topology {} does not have any Roadm-to-Roadm links.", NetworkUtils.OVERLAY_NETWORK_ID);
 279             return null;
 280         }
 281
 282         Map<LinkId, BigDecimal> spanLossResult = getLinkSpanloss(roadmLinks);
 283         CalculateSpanlossCurrentOutputBuilder spanLossCurrentBuilder = new CalculateSpanlossCurrentOutputBuilder();
 284         if (spanLossResult != null && !spanLossResult.isEmpty()) {
 285             spanLossCurrentBuilder.setResult(ResponseCodes.SUCCESS_RESULT);
 286             return spanLossCurrentBuilder.build();
 287         } else {
 288             LOG.error("Spanloss Current calculation failed");
 289             spanLossCurrentBuilder.setResult(ResponseCodes.FAILED_RESULT);
 290             return spanLossCurrentBuilder.build();
 291         }
 292     }
 293
 294     @Override
 295     public ServicePowerResetOutput servicePowerReset(ServicePowerResetInput input) {
 296         // TODO
 297         return null;
 298     }
 299
 300     private List<Link> getNetworkLinks() {
 301         NetworkKey overlayTopologyKey = new NetworkKey(new NetworkId(NetworkUtils.OVERLAY_NETWORK_ID));
 302
 303         InstanceIdentifier<Network1> networkIID = InstanceIdentifier.builder(Networks.class)
 304             .child(Network.class, overlayTopologyKey)
 305                 .augmentation(Network1.class)
 306                 .build();
 307         Optional<Network1> networkOptional;
 308         try (ReadOnlyTransaction rtx = this.dataBroker.newReadOnlyTransaction()) {
 309             //TODO change to constant from Timeouts class when it will be merged.
 310             networkOptional = rtx.read(LogicalDatastoreType.CONFIGURATION, networkIID).get(Timeouts.DATASTORE_READ,
 311                 TimeUnit.MILLISECONDS).toJavaUtil();
 312
 313         } catch (InterruptedException | ExecutionException | TimeoutException e) {
 314             LOG.warn("Read of {} topology failed", NetworkUtils.OVERLAY_NETWORK_ID);
 315             return Collections.emptyList();
 316         }
 317
 318         if (! networkOptional.isPresent()) {
 319             LOG.warn("Network augmentation with links data is not present in {} topology.",
 320                 NetworkUtils.OVERLAY_NETWORK_ID);
 321
 322             return Collections.emptyList();
 323         }
 324
 325         List<Link> networkLinks = networkOptional.get().getLink();
 326         if ((networkLinks == null) || networkLinks.isEmpty()) {
 327             LOG.warn("Links are not present in {} topology.", NetworkUtils.OVERLAY_NETWORK_ID);
 328             return Collections.emptyList();
 329         }
 330         return networkLinks;
 331     }
 332
 333     /**
 334      * This method retrieves OTS PM from current PM list by nodeId and TPId: Steps:
 335      *
 336      * <p>
 337      * 1. Get OTS interface name from port mapping by TPId 2. Call getPm RPC to get OTS PM
 338      *
 339      * <p>
 340      *
 341      * @param nodeId Node-id of the NE.
 342      * @param tpID Termination point Name.
 343      * @param pmName PM name which need to be retrieved
 344      * @return reference to OtsPmHolder
 345      */
 346     private OtsPmHolder getPmMeasurements(String nodeId, String tpID, String pmName) {
 347         String realNodeId = getRealNodeId(nodeId);
 348         Mapping mapping = portMapping.getMapping(realNodeId, tpID);
 349         if (mapping == null) {
 350             return null;
 351         }
 352         GetPmInput getPmInput = new GetPmInputBuilder().setNodeId(realNodeId)
 353             .setResourceType(ResourceTypeEnum.Interface)
 354             .setResourceIdentifier(
 355                 new ResourceIdentifierBuilder().setResourceName(mapping.getSupportingOts()).build())
 356             .setPmNameType(PmNamesEnum.valueOf(pmName))
 357             .setGranularity(PmGranularity._15min)
 358             .build();
 359         GetPmOutput otsPmOutput = getPm(getPmInput);
 360
 361         if (otsPmOutput == null) {
 362             LOG.info("OTS PM not found for NodeId: {} TP Id:{} PMName:{}", realNodeId, tpID, pmName);
 363             return null;
 364         }
 365         try {
 366             for (Measurements measurement : otsPmOutput.getMeasurements()) {
 367                 if (pmName.equals(measurement.getPmparameterName())) {
 368                     return new OtsPmHolder(pmName, Double.parseDouble(measurement.getPmparameterValue()),
 369                         mapping.getSupportingOts());
 370                 }
 371             }
 372         } catch (NumberFormatException e) {
 373             LOG.warn("Unable to get PM for NodeId: {} TP Id:{} PMName:{}", realNodeId, tpID, pmName, e);
 374         }
 375         return null;
 376     }
 377
 378     /**
 379      * This method Sets Spanloss on A-End and Z-End OTS interface: Steps:
 380      *
 381      * <p>
 382      * 1. Read existing interface details
 383      *
 384      * <p>
 385      * 2. Set spanloss
 386      *
 387      * @param nodeId nodeId of NE on which spanloss need to be updated
 388      * @param interfaceName OTS interface for NE on which spanloss is cacluated
 389      * @param spanLoss calculated spanloss value
 390      * @param direction for which spanloss is calculated.It can be either Tx or Rx
 391      * @return true/false
 392      */
 393     private boolean setSpanLoss(String nodeId, String interfaceName, BigDecimal spanLoss, String direction) {
 394         String realNodeId = getRealNodeId(nodeId);
 395         BigDecimal initialSpanloss = new BigDecimal(0);
 396         try {
 397             LOG.info("Setting Spanloss in device for {}, InterfaceName: {}", realNodeId, interfaceName);
 398             if (mappingUtils.getOpenRoadmVersion(realNodeId)
 399                 .equals(StringConstants.OPENROADM_DEVICE_VERSION_1_2_1)) {
 400                 RatioDB spanLossRx;
 401                 RatioDB spanLossTx;
 402
 403                 Optional<Interface> interfaceObject;
 404                 interfaceObject = openRoadmInterfaces.getInterface(realNodeId, interfaceName);
 405                 if (interfaceObject.isPresent()) {
 406                     InstanceIdentifier<Interface> interfacesIID = InstanceIdentifier.create(OrgOpenroadmDevice.class)
 407                         .child(Interface.class, new InterfaceKey(interfaceName));
 408                     InterfaceBuilder interfaceBuilder = new InterfaceBuilder(interfaceObject.get());
 409                     OtsBuilder otsBuilder = new OtsBuilder();
 410                     Interface intf = interfaceObject.get();
 411                     if (intf.augmentation(Interface1.class) != null
 412                         && intf.augmentation(Interface1.class).getOts() != null) {
 413                         Ots ots = intf.augmentation(Interface1.class).getOts();
 414                         otsBuilder.setFiberType(ots.getFiberType());
 415                         spanLossRx = ots.getSpanLossReceive();
 416                         spanLossTx = ots.getSpanLossTransmit();
 417                     } else {
 418                         spanLossRx = new RatioDB(spanLoss);
 419                         spanLossTx = new RatioDB(spanLoss);
 420                     }
 421                     Interface1Builder intf1Builder = new Interface1Builder();
 422                     if (direction.equals("TX")) {
 423                         otsBuilder.setSpanLossTransmit(new RatioDB(spanLoss));
 424                         otsBuilder.setSpanLossReceive(spanLossRx);
 425                     } else {
 426                         otsBuilder.setSpanLossTransmit(spanLossTx).setSpanLossReceive(new RatioDB(spanLoss));
 427                     }
 428                     interfaceBuilder.addAugmentation(Interface1.class, intf1Builder.setOts(otsBuilder.build()).build());
 429                     openRoadmInterfaces.postInterface(realNodeId,interfaceBuilder);
 430                     LOG.info("Spanloss Value update completed successfully");
 431                     return true;
 432                 } else {
 433                     LOG.error("Interface not found for nodeId: {} and interfaceName: {}", nodeId, interfaceName);
 434                     return false;
 435                 }
 436             } else if (mappingUtils.getOpenRoadmVersion(realNodeId)
 437                 .equals(StringConstants.OPENROADM_DEVICE_VERSION_2_2_1)) {
 438
 439                 org.opendaylight.yang.gen.v1.http.org.openroadm.common.types.rev181019.RatioDB spanLossRx;
 440                 org.opendaylight.yang.gen.v1.http.org.openroadm.common.types
 441                     .rev181019.RatioDB spanLossTx;
 442                 Optional<org.opendaylight.yang.gen.v1.http.org.openroadm.device.rev181019
 443                     .interfaces.grp.Interface> interfaceObject =
 444                         openRoadmInterfaces.getInterface(realNodeId, interfaceName);
 445                 if (interfaceObject.isPresent()) {
 446                     InstanceIdentifier<org.opendaylight.yang.gen.v1.http.org.openroadm.device.rev181019
 447                         .interfaces.grp.Interface> interfacesIID =
 448                         InstanceIdentifier.create(org.opendaylight.yang.gen.v1.http.org.openroadm
 449                             .device.rev181019.org.openroadm.device.container.OrgOpenroadmDevice.class)
 450                             .child(org.opendaylight.yang.gen.v1.http.org.openroadm
 451                                 .device.rev181019.interfaces.grp.Interface.class, new org.opendaylight.yang.gen
 452                                 .v1.http.org.openroadm.device.rev181019.interfaces.grp.InterfaceKey(interfaceName));
 453                     org.opendaylight.yang.gen.v1.http.org.openroadm.device
 454                         .rev181019.interfaces.grp.InterfaceBuilder interfaceBuilder =
 455                         new org.opendaylight.yang.gen.v1.http.org.openroadm.device
 456                             .rev181019.interfaces.grp.InterfaceBuilder(interfaceObject.get());
 457                     org.opendaylight.yang.gen.v1.http.org.openroadm.optical
 458                         .transport.interfaces.rev181019.ots.container.OtsBuilder otsBuilder =
 459                         new org.opendaylight.yang.gen.v1.http.org.openroadm
 460                             .optical.transport.interfaces.rev181019.ots.container.OtsBuilder();
 461                     org.opendaylight.yang.gen.v1.http.org.openroadm.device.rev181019.interfaces.grp.Interface intf =
 462                         interfaceObject.get();
 463                     if (intf.augmentation(org.opendaylight.yang.gen.v1.http.org.openroadm.optical
 464                         .transport.interfaces.rev181019.Interface1.class) != null
 465                             && intf.augmentation(org.opendaylight.yang.gen.v1.http.org.openroadm.optical.transport
 466                                 .interfaces.rev181019.Interface1.class).getOts() != null) {
 467                         org.opendaylight.yang.gen.v1.http.org.openroadm.optical.transport.interfaces
 468                             .rev181019.ots.container.Ots ots =
 469                                 intf.augmentation(org.opendaylight.yang.gen.v1.http.org.openroadm.optical
 470                                     .transport.interfaces.rev181019.Interface1.class).getOts();
 471
 472                         otsBuilder.setFiberType(ots.getFiberType());
 473                         spanLossRx = ots.getSpanLossReceive();
 474                         spanLossTx = ots.getSpanLossTransmit();
 475                     } else {
 476                         spanLossRx = new org.opendaylight.yang.gen.v1.http.org
 477                             .openroadm.common.types.rev181019.RatioDB(spanLoss);
 478                         spanLossTx = new org.opendaylight.yang.gen.v1.http.org
 479                             .openroadm.common.types.rev181019.RatioDB(spanLoss);
 480                     }
 481                     org.opendaylight.yang.gen.v1.http.org.openroadm.optical.transport.interfaces
 482                         .rev181019.Interface1Builder intf1Builder =
 483                             new org.opendaylight.yang.gen.v1.http.org.openroadm.optical
 484                             .transport.interfaces.rev181019.Interface1Builder();
 485                     if (direction.equals("TX")) {
 486                         otsBuilder.setSpanLossTransmit(new org.opendaylight.yang.gen.v1.http.org
 487                             .openroadm.common.types.rev181019.RatioDB(spanLoss));
 488                         otsBuilder.setSpanLossReceive(spanLossRx);
 489                     } else {
 490                         otsBuilder.setSpanLossTransmit(spanLossTx).setSpanLossReceive(
 491                             new org.opendaylight.yang.gen.v1.http.org.openroadm.common.types.rev181019.RatioDB(spanLoss)
 492                         );
 493                     }
 494                     interfaceBuilder.addAugmentation(org.opendaylight.yang.gen.v1.http
 495                         .org.openroadm.optical.transport.interfaces.rev181019.Interface1.class,
 496                         intf1Builder.setOts(otsBuilder.build()).build());
 497                     openRoadmInterfaces.postInterface(realNodeId,interfaceBuilder);
 498                     LOG.info("Spanloss Value update completed successfully");
 499                     return true;
 500                 } else {
 501                     LOG.error("Interface not found for nodeId: {} and interfaceName: {}", nodeId,interfaceName);
 502                     return false;
 503                 }
 504             }
 505         } catch (OpenRoadmInterfaceException e) {
 506             // TODO Auto-generated catch block
 507             LOG.error("OpenRoadmInterfaceException occured {}",e);
 508         } /**catch (InterruptedException e) {
 509          // TODO Auto-generated catch block
 510          } catch (ExecutionException e) {
 511          // TODO Auto-generated catch block
 512          }**/
 513         return false;
 514     }
 515
 516     /**
 517      * This method calculates Spanloss by TranmistPower - Receive Power Steps:
 518      *
 519      * <p>
 520      * 1. Read PM measurement
 521      *
 522      * <p>
 523      * 2. Set Spanloss value for interface
 524      *
 525      * @param roadmLinks
 526      *            reference to list of RoadmLinks
 527      * @return map with list of spans with their spanloss value
 528      */
 529     private Map<LinkId, BigDecimal> getLinkSpanloss(List<RoadmLinks> roadmLinks) {
 530         Map<LinkId, BigDecimal> map = new HashMap<LinkId, BigDecimal>();
 531         LOG.info("Executing GetLinkSpanLoss");
 532         BigDecimal spanLoss = new BigDecimal(0);
 533         for (RoadmLinks link : roadmLinks) {
 534             String sourceNodeId = link.getSrcNodeId().toString();
 535             String sourceTpId = link.getSrcTpId();
 536             String destNodeId = link.getDestNodeId().toString();
 537             String destTpId = link.getDestTpid();
 538             OtsPmHolder srcOtsPmHoler = getPmMeasurements(sourceNodeId, sourceTpId, "OpticalPowerOutput");
 539             OtsPmHolder destOtsPmHoler = getPmMeasurements(destNodeId, destTpId, "OpticalPowerInput");
 540             spanLoss = new BigDecimal(srcOtsPmHoler.getOtsParameterVal() - destOtsPmHoler.getOtsParameterVal())
 541                 .setScale(0, RoundingMode.HALF_UP);
 542             LOG.info("Spanloss Calculated as :{}={}-{}",
 543                 spanLoss, srcOtsPmHoler.getOtsParameterVal(), destOtsPmHoler.getOtsParameterVal());
 544             if (spanLoss.doubleValue() > 28) {
 545                 LOG.warn("Span Loss is out of range of OpenROADM specifications");
 546             }
 547             if (!setSpanLoss(sourceNodeId, srcOtsPmHoler.getOtsInterfaceName(), spanLoss, "TX")) {
 548                 LOG.info("Setting spanLoss failed for {}", sourceNodeId);
 549                 return null;
 550             }
 551             if (!setSpanLoss(destNodeId, destOtsPmHoler.getOtsInterfaceName(), spanLoss, "RX")) {
 552                 LOG.info("Setting spanLoss failed for {}", destNodeId);
 553                 return null;
 554             }
 555             map.put(link.getLinkId(), spanLoss);
 556         }
 557         return map;
 558     }
 559
 560     private String getRealNodeId(String mappedNodeId) {
 561         KeyedInstanceIdentifier<Node, NodeKey> mappedNodeII =
 562             InstanceIdentifiers.OVERLAY_NETWORK_II.child(Node.class, new NodeKey(new NodeId(mappedNodeId)));
 563         com.google.common.base.Optional<Node> realNode;
 564         try (ReadOnlyTransaction readOnlyTransaction = this.dataBroker.newReadOnlyTransaction()) {
 565             realNode = readOnlyTransaction.read(LogicalDatastoreType.CONFIGURATION, mappedNodeII).get();
 566         } catch (InterruptedException | ExecutionException e) {
 567             LOG.error(e.getMessage(), e);
 568             throw new IllegalStateException(e);
 569         }
 570         if (!realNode.isPresent() || (realNode.get().getSupportingNode() == null)) {
 571             LOG.error("supporting node is null");
 572             throw new IllegalArgumentException(
 573                 String.format("Could not find node %s, or supporting node is not present", mappedNodeId));
 574         }
 575         List<SupportingNode> collect = realNode.get().getSupportingNode().stream()
 576             .filter(node -> (node.getNetworkRef() != null)
 577                 && NetworkUtils.UNDERLAY_NETWORK_ID.equals(node.getNetworkRef().getValue())
 578                 && (node.getNodeRef() != null) && !Strings.isNullOrEmpty(node.getNodeRef().getValue()))
 579             .collect(Collectors.toList());
 580         if (collect.isEmpty() || (collect.size() > 1)) {
 581             throw new IllegalArgumentException(String.format("Invalid support node count [%d] was found for node %s",
 582                 collect.size(), mappedNodeId));
 583
 584         }
 585         LOG.info("getRealNodeId - return {}", collect.iterator().next().getNodeRef().getValue());
 586         return collect.iterator().next().getNodeRef().getValue();
 587     }
 588
 589     private Link getNetworkLinkById(LinkId linkId) {
 590         NetworkKey overlayTopologyKey = new NetworkKey(new NetworkId(NetworkUtils.OVERLAY_NETWORK_ID));
 591         InstanceIdentifier<Link> linkIID = InstanceIdentifier.builder(Networks.class)
 592             .child(Network.class, overlayTopologyKey)
 593             .augmentation(Network1.class).child(Link.class, new LinkKey(linkId))
 594             .build();
 595         Optional<Link> linkOptional;
 596         try (ReadOnlyTransaction rtx = dataBroker.newReadOnlyTransaction()) {
 597             //TODO change to constant from Timeouts class when it will be merged.
 598             linkOptional = rtx.read(LogicalDatastoreType.CONFIGURATION, linkIID).get(Timeouts.DATASTORE_READ,
 599                 TimeUnit.MILLISECONDS).toJavaUtil();
 600             return linkOptional.get();
 601         } catch (InterruptedException | ExecutionException | TimeoutException e) {
 602             LOG.warn("Read of {} topology failed", NetworkUtils.OVERLAY_NETWORK_ID);
 603             return null;
 604         }
 605     }
 606
 607 }