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.mdsal.binding.api.DataBroker;
  27 import org.opendaylight.mdsal.binding.api.ReadTransaction;
  28 import org.opendaylight.mdsal.common.api.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.rev191115.network.nodes.Mapping;
  65 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.portmapping.rev191115.network.nodes.NodeInfo.OpenroadmVersion;
  66 import org.opendaylight.yang.gen.v1.http.org.openroadm.common.types.rev161014.RatioDB;
  67 import org.opendaylight.yang.gen.v1.http.org.openroadm.device.rev170206.interfaces.grp.Interface;
  68 import org.opendaylight.yang.gen.v1.http.org.openroadm.device.rev170206.interfaces.grp.InterfaceBuilder;
  69 import org.opendaylight.yang.gen.v1.http.org.openroadm.network.topology.rev181130.Link1;
  70 import org.opendaylight.yang.gen.v1.http.org.openroadm.network.types.rev181130.OpenroadmLinkType;
  71 import org.opendaylight.yang.gen.v1.http.org.openroadm.optical.transport.interfaces.rev161014.Interface1;
  72 import org.opendaylight.yang.gen.v1.http.org.openroadm.optical.transport.interfaces.rev161014.Interface1Builder;
  73 import org.opendaylight.yang.gen.v1.http.org.openroadm.optical.transport.interfaces.rev161014.ots.container.Ots;
  74 import org.opendaylight.yang.gen.v1.http.org.openroadm.optical.transport.interfaces.rev161014.ots.container.OtsBuilder;
  75 import org.opendaylight.yang.gen.v1.http.org.openroadm.pm.types.rev161014.PmGranularity;
  76 import org.opendaylight.yang.gen.v1.http.org.openroadm.resource.types.rev161014.ResourceTypeEnum;
  77 import org.opendaylight.yang.gen.v1.http.org.transportpce.common.types.rev170907.PmNamesEnum;
  78 import org.opendaylight.yang.gen.v1.http.org.transportpce.common.types.rev170907.olm.get.pm.input.ResourceIdentifierBuilder;
  79 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.rev180226.NetworkId;
  80 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.rev180226.Networks;
  81 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.rev180226.NodeId;
  82 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.rev180226.networks.Network;
  83 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.rev180226.networks.NetworkKey;
  84 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.rev180226.networks.network.Node;
  85 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.rev180226.networks.network.NodeKey;
  86 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.rev180226.networks.network.node.SupportingNode;
  87 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.topology.rev180226.LinkId;
  88 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.topology.rev180226.Network1;
  89 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.topology.rev180226.networks.network.Link;
  90 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.topology.rev180226.networks.network.LinkKey;
  91 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  92 import org.opendaylight.yangtools.yang.binding.KeyedInstanceIdentifier;
  93 import org.slf4j.Logger;
  94 import org.slf4j.LoggerFactory;
  95
  96 public class OlmPowerServiceImpl implements OlmPowerService {
  97     private static final Logger LOG = LoggerFactory.getLogger(OlmPowerServiceImpl.class);
  98     private final MappingUtils mappingUtils;
  99     private final OpenRoadmInterfaces openRoadmInterfaces;
 100     private final DataBroker dataBroker;
 101     private final PowerMgmt powerMgmt;
 102     private final DeviceTransactionManager deviceTransactionManager;
 103     private final PortMapping portMapping;
 104
 105     public OlmPowerServiceImpl(DataBroker dataBroker, PowerMgmt powerMgmt,
 106                                DeviceTransactionManager deviceTransactionManager, PortMapping portMapping,
 107                                MappingUtils mappingUtils, OpenRoadmInterfaces openRoadmInterfaces) {
 108         this.dataBroker = dataBroker;
 109         this.powerMgmt = powerMgmt;
 110         this.portMapping = portMapping;
 111         this.deviceTransactionManager = deviceTransactionManager;
 112         this.mappingUtils = mappingUtils;
 113         this.openRoadmInterfaces = openRoadmInterfaces;
 114     }
 115
 116     public void init() {
 117         LOG.info("init ...");
 118     }
 119
 120     public void close() {
 121         LOG.info("close ...");
 122     }
 123
 124
 125     @Override
 126     public GetPmOutput getPm(GetPmInput pmInput) {
 127         OpenroadmVersion openroadmVersion;
 128         if (mappingUtils.getOpenRoadmVersion(pmInput.getNodeId())
 129             .equals(StringConstants.OPENROADM_DEVICE_VERSION_1_2_1)) {
 130             LOG.info("Device version is 1.2.1");
 131             openroadmVersion = OpenroadmVersion._121;
 132         } else {
 133             openroadmVersion = OpenroadmVersion._221;
 134             LOG.info("Device version is 2.2.1");
 135         }
 136         LOG.info("Now calling get pm data");
 137         GetPmOutputBuilder pmOutputBuilder = OlmUtils.pmFetch(pmInput, deviceTransactionManager,
 138             openroadmVersion);
 139         return pmOutputBuilder.build();
 140     }
 141
 142     @Override
 143     public ServicePowerSetupOutput servicePowerSetup(ServicePowerSetupInput powerSetupInput) {
 144         ServicePowerSetupOutputBuilder powerSetupOutput = new ServicePowerSetupOutputBuilder();
 145         boolean successValPowerCalculation = powerMgmt.setPower(powerSetupInput);
 146         if (successValPowerCalculation) {
 147             powerSetupOutput.setResult(ResponseCodes.SUCCESS_RESULT);
 148         } else {
 149             powerSetupOutput.setResult(ResponseCodes.FAILED_RESULT);
 150         }
 151         return powerSetupOutput.build();
 152     }
 153
 154     @Override
 155     public ServicePowerTurndownOutput servicePowerTurndown(
 156         ServicePowerTurndownInput powerTurndownInput) {
 157
 158         ServicePowerTurndownOutputBuilder powerTurnDownOutput = new ServicePowerTurndownOutputBuilder();
 159         // TODO add flag or return failure instead of string
 160         if (powerMgmt.powerTurnDown(powerTurndownInput)) {
 161             powerTurnDownOutput.setResult(ResponseCodes.SUCCESS_RESULT);
 162         } else {
 163             powerTurnDownOutput.setResult(ResponseCodes.FAILED_RESULT);
 164         }
 165         return powerTurnDownOutput.build();
 166     }
 167
 168     @Override
 169     public CalculateSpanlossBaseOutput calculateSpanlossBase(CalculateSpanlossBaseInput spanlossBaseInput) {
 170         LOG.info("CalculateSpanlossBase Request received for source type {}", spanlossBaseInput.getSrcType());
 171         List<RoadmLinks> roadmLinks = new ArrayList<>();
 172         CalculateSpanlossBaseOutputBuilder spanLossBaseBuilder = new CalculateSpanlossBaseOutputBuilder();
 173         Map<LinkId, BigDecimal> spanLossResult = null;
 174         //Depending on the source type do the calculation
 175         switch (spanlossBaseInput.getSrcType()) {
 176             case Link:
 177                 LOG.debug("Calculate SpanLossBase for a linkId: {}",spanlossBaseInput.getLinkId());
 178                 Link inputLink = getNetworkLinkById(spanlossBaseInput.getLinkId());
 179                 if (inputLink != null) {
 180                     RoadmLinks roadmLink = new RoadmLinks();
 181                     roadmLink.setSrcNodeId(inputLink.getSource().getSourceNode().getValue());
 182                     roadmLink.setSrcTpId(inputLink.getSource().getSourceTp().toString());
 183                     roadmLink.setDestNodeId(inputLink.getDestination().getDestNode().getValue());
 184                     roadmLink.setDestTpid(inputLink.getDestination().getDestTp().toString());
 185                     roadmLink.setLinkId(inputLink.getLinkId());
 186                     roadmLinks.add(roadmLink);
 187                     spanLossResult = getLinkSpanloss(roadmLinks);
 188                 }
 189                 break;
 190             case All:
 191                 LOG.info("Do something for all");
 192                 List<Link> networkLinks = getNetworkLinks();
 193                 if (networkLinks.isEmpty()) {
 194                     LOG.warn("Failed to get links form {} topology.", NetworkUtils.OVERLAY_NETWORK_ID);
 195                     return new CalculateSpanlossBaseOutputBuilder().setResult(ResponseCodes.FAILED_RESULT).build();
 196                 }
 197                 //else for all other links
 198                 for (Link link : networkLinks) {
 199                     Link1 roadmLinkAugmentation = link.augmentation(Link1.class);
 200                     if (roadmLinkAugmentation == null) {
 201                         LOG.debug("Missing OpenRoadm link augmentation in link {} from {} topology.",
 202                             link.getLinkId().getValue(), NetworkUtils.OVERLAY_NETWORK_ID);
 203                         continue;
 204                     }
 205                     if (OpenroadmLinkType.ROADMTOROADM.equals(roadmLinkAugmentation.getLinkType())) {
 206                         // Only calculate spanloss for Roadm-to-Roadm links
 207                         RoadmLinks roadmLink = new RoadmLinks();
 208                         roadmLink.setSrcNodeId(link.getSource().getSourceNode().getValue());
 209                         roadmLink.setSrcTpId(link.getSource().getSourceTp().toString());
 210                         roadmLink.setDestNodeId(link.getDestination().getDestNode().getValue());
 211                         roadmLink.setDestTpid(link.getDestination().getDestTp().toString());
 212                         roadmLink.setLinkId(link.getLinkId());
 213                         roadmLinks.add(roadmLink);
 214                     }
 215                 }
 216                 if (roadmLinks.isEmpty()) {
 217                     LOG.warn("Topology {} does not have any Roadm-to-Roadm links.", NetworkUtils.OVERLAY_NETWORK_ID);
 218                     return new CalculateSpanlossBaseOutputBuilder().setResult(ResponseCodes.FAILED_RESULT).build();
 219                 }
 220                 spanLossResult = getLinkSpanloss(roadmLinks);
 221                 break;
 222             default:
 223                 LOG.info("Invalid input in request");
 224         }
 225
 226         if (spanLossResult != null && !spanLossResult.isEmpty()) {
 227             spanLossBaseBuilder.setResult(ResponseCodes.SUCCESS_RESULT);
 228             List<Spans> listSpans = new ArrayList<>();
 229             Set<Entry<LinkId, BigDecimal>> spanLossResultSet = spanLossResult.entrySet();
 230             for (Entry<LinkId, BigDecimal> entry : spanLossResultSet) {
 231                 Spans span = new SpansBuilder().setLinkId(entry.getKey()).setSpanloss(entry.getValue().toString())
 232                     .build();
 233                 listSpans.add(span);
 234             }
 235             spanLossBaseBuilder.setSpans(listSpans);
 236             return spanLossBaseBuilder.build();
 237         } else {
 238             LOG.warn("Spanloss calculation failed");
 239             spanLossBaseBuilder.setResult(ResponseCodes.FAILED_RESULT);
 240             return spanLossBaseBuilder.build();
 241         }
 242
 243     }
 244
 245
 246     @Override
 247     public CalculateSpanlossCurrentOutput calculateSpanlossCurrent(CalculateSpanlossCurrentInput input) {
 248         LOG.info("calculateSpanlossCurrent Request received for all links in network model.");
 249         List<Link> networkLinks = getNetworkLinks();
 250         if (networkLinks.isEmpty()) {
 251             LOG.warn("Failed to get links form {} topology.", NetworkUtils.OVERLAY_NETWORK_ID);
 252             return null;
 253         }
 254         List<RoadmLinks> roadmLinks = new ArrayList<>();
 255         for (Link link : networkLinks) {
 256             Link1 roadmLinkAugmentation = link.augmentation(Link1.class);
 257             if (roadmLinkAugmentation == null) {
 258                 LOG.debug("Missing OpenRoadm link augmentation in link {} from {} topology.",
 259                     link.getLinkId().getValue(), NetworkUtils.OVERLAY_NETWORK_ID);
 260                 continue;
 261             }
 262             if (OpenroadmLinkType.ROADMTOROADM.equals(roadmLinkAugmentation.getLinkType())) {
 263                 // Only calculate spanloss for Roadm-to-Roadm links
 264                 RoadmLinks roadmLink = new RoadmLinks();
 265                 roadmLink.setSrcNodeId(link.getSource().getSourceNode().getValue());
 266                 roadmLink.setSrcTpId(link.getSource().getSourceTp().toString());
 267                 roadmLink.setDestNodeId(link.getDestination().getDestNode().getValue());
 268                 roadmLink.setDestTpid(link.getDestination().getDestTp().toString());
 269                 roadmLinks.add(roadmLink);
 270             }
 271         }
 272
 273         if (roadmLinks.isEmpty()) {
 274             LOG.warn("Topology {} does not have any Roadm-to-Roadm links.", NetworkUtils.OVERLAY_NETWORK_ID);
 275             return null;
 276         }
 277
 278         Map<LinkId, BigDecimal> spanLossResult = getLinkSpanloss(roadmLinks);
 279         CalculateSpanlossCurrentOutputBuilder spanLossCurrentBuilder = new CalculateSpanlossCurrentOutputBuilder();
 280         if (spanLossResult != null && !spanLossResult.isEmpty()) {
 281             spanLossCurrentBuilder.setResult(ResponseCodes.SUCCESS_RESULT);
 282             return spanLossCurrentBuilder.build();
 283         } else {
 284             LOG.error("Spanloss Current calculation failed");
 285             spanLossCurrentBuilder.setResult(ResponseCodes.FAILED_RESULT);
 286             return spanLossCurrentBuilder.build();
 287         }
 288     }
 289
 290     @Override
 291     public ServicePowerResetOutput servicePowerReset(ServicePowerResetInput input) {
 292         // TODO
 293         return null;
 294     }
 295
 296     private List<Link> getNetworkLinks() {
 297         NetworkKey overlayTopologyKey = new NetworkKey(new NetworkId(NetworkUtils.OVERLAY_NETWORK_ID));
 298
 299         InstanceIdentifier<Network1> networkIID = InstanceIdentifier.builder(Networks.class)
 300             .child(Network.class, overlayTopologyKey)
 301                 .augmentation(Network1.class)
 302                 .build();
 303         Optional<Network1> networkOptional;
 304         try (ReadTransaction rtx = this.dataBroker.newReadOnlyTransaction()) {
 305             //TODO change to constant from Timeouts class when it will be merged.
 306             networkOptional = rtx.read(LogicalDatastoreType.CONFIGURATION, networkIID).get(Timeouts.DATASTORE_READ,
 307                 TimeUnit.MILLISECONDS);
 308
 309         } catch (InterruptedException | ExecutionException | TimeoutException e) {
 310             LOG.warn("Read of {} topology failed", NetworkUtils.OVERLAY_NETWORK_ID);
 311             return Collections.emptyList();
 312         }
 313
 314         if (! networkOptional.isPresent()) {
 315             LOG.warn("Network augmentation with links data is not present in {} topology.",
 316                 NetworkUtils.OVERLAY_NETWORK_ID);
 317
 318             return Collections.emptyList();
 319         }
 320
 321         List<Link> networkLinks = networkOptional.get().getLink();
 322         if ((networkLinks == null) || networkLinks.isEmpty()) {
 323             LOG.warn("Links are not present in {} topology.", NetworkUtils.OVERLAY_NETWORK_ID);
 324             return Collections.emptyList();
 325         }
 326         return networkLinks;
 327     }
 328
 329     /**
 330      * This method retrieves OTS PM from current PM list by nodeId and TPId: Steps:
 331      *
 332      * <p>
 333      * 1. Get OTS interface name from port mapping by TPId 2. Call getPm RPC to get OTS PM
 334      *
 335      * <p>
 336      *
 337      * @param nodeId Node-id of the NE.
 338      * @param tpID Termination point Name.
 339      * @param pmName PM name which need to be retrieved
 340      * @return reference to OtsPmHolder
 341      */
 342     private OtsPmHolder getPmMeasurements(String nodeId, String tpID, String pmName) {
 343         String realNodeId = getRealNodeId(nodeId);
 344         Mapping mapping = portMapping.getMapping(realNodeId, tpID);
 345         if (mapping == null) {
 346             return null;
 347         }
 348         GetPmInput getPmInput = new GetPmInputBuilder().setNodeId(realNodeId)
 349             .setResourceType(ResourceTypeEnum.Interface)
 350             .setResourceIdentifier(
 351                 new ResourceIdentifierBuilder().setResourceName(mapping.getSupportingOts()).build())
 352             .setPmNameType(PmNamesEnum.valueOf(pmName))
 353             .setGranularity(PmGranularity._15min)
 354             .build();
 355         GetPmOutput otsPmOutput = getPm(getPmInput);
 356
 357         if (otsPmOutput == null) {
 358             LOG.info("OTS PM not found for NodeId: {} TP Id:{} PMName:{}", realNodeId, tpID, pmName);
 359             return null;
 360         }
 361         try {
 362             for (Measurements measurement : otsPmOutput.getMeasurements()) {
 363                 if (pmName.equals(measurement.getPmparameterName())) {
 364                     return new OtsPmHolder(pmName, Double.parseDouble(measurement.getPmparameterValue()),
 365                         mapping.getSupportingOts());
 366                 }
 367             }
 368         } catch (NumberFormatException e) {
 369             LOG.warn("Unable to get PM for NodeId: {} TP Id:{} PMName:{}", realNodeId, tpID, pmName, e);
 370         }
 371         return null;
 372     }
 373
 374     /**
 375      * This method Sets Spanloss on A-End and Z-End OTS interface: Steps:
 376      *
 377      * <p>
 378      * 1. Read existing interface details
 379      *
 380      * <p>
 381      * 2. Set spanloss
 382      *
 383      * @param nodeId nodeId of NE on which spanloss need to be updated
 384      * @param interfaceName OTS interface for NE on which spanloss is cacluated
 385      * @param spanLoss calculated spanloss value
 386      * @param direction for which spanloss is calculated.It can be either Tx or Rx
 387      * @return true/false
 388      */
 389     private boolean setSpanLoss(String nodeId, String interfaceName, BigDecimal spanLoss, String direction) {
 390         String realNodeId = getRealNodeId(nodeId);
 391         try {
 392             LOG.info("Setting Spanloss in device for {}, InterfaceName: {}", realNodeId, interfaceName);
 393             if (mappingUtils.getOpenRoadmVersion(realNodeId)
 394                 .equals(StringConstants.OPENROADM_DEVICE_VERSION_1_2_1)) {
 395                 RatioDB spanLossRx;
 396                 RatioDB spanLossTx;
 397
 398                 Optional<Interface> interfaceObject;
 399                 interfaceObject = openRoadmInterfaces.getInterface(realNodeId, interfaceName);
 400                 if (interfaceObject.isPresent()) {
 401                     InterfaceBuilder interfaceBuilder = new InterfaceBuilder(interfaceObject.get());
 402                     OtsBuilder otsBuilder = new OtsBuilder();
 403                     Interface intf = interfaceObject.get();
 404                     if (intf.augmentation(Interface1.class) != null
 405                         && intf.augmentation(Interface1.class).getOts() != null) {
 406                         Ots ots = intf.augmentation(Interface1.class).getOts();
 407                         otsBuilder.setFiberType(ots.getFiberType());
 408                         spanLossRx = ots.getSpanLossReceive();
 409                         spanLossTx = ots.getSpanLossTransmit();
 410                     } else {
 411                         spanLossRx = new RatioDB(spanLoss);
 412                         spanLossTx = new RatioDB(spanLoss);
 413                     }
 414                     Interface1Builder intf1Builder = new Interface1Builder();
 415                     if (direction.equals("TX")) {
 416                         otsBuilder.setSpanLossTransmit(new RatioDB(spanLoss));
 417                         otsBuilder.setSpanLossReceive(spanLossRx);
 418                     } else {
 419                         otsBuilder.setSpanLossTransmit(spanLossTx).setSpanLossReceive(new RatioDB(spanLoss));
 420                     }
 421                     interfaceBuilder.addAugmentation(Interface1.class, intf1Builder.setOts(otsBuilder.build()).build());
 422                     openRoadmInterfaces.postInterface(realNodeId,interfaceBuilder);
 423                     LOG.info("Spanloss Value update completed successfully");
 424                     return true;
 425                 } else {
 426                     LOG.error("Interface not found for nodeId: {} and interfaceName: {}", nodeId, interfaceName);
 427                     return false;
 428                 }
 429             } else if (mappingUtils.getOpenRoadmVersion(realNodeId)
 430                 .equals(StringConstants.OPENROADM_DEVICE_VERSION_2_2_1)) {
 431
 432                 org.opendaylight.yang.gen.v1.http.org.openroadm.common.types.rev181019.RatioDB spanLossRx;
 433                 org.opendaylight.yang.gen.v1.http.org.openroadm.common.types
 434                     .rev181019.RatioDB spanLossTx;
 435                 Optional<org.opendaylight.yang.gen.v1.http.org.openroadm.device.rev181019
 436                     .interfaces.grp.Interface> interfaceObject =
 437                         openRoadmInterfaces.getInterface(realNodeId, interfaceName);
 438                 if (interfaceObject.isPresent()) {
 439                     org.opendaylight.yang.gen.v1.http.org.openroadm.device
 440                         .rev181019.interfaces.grp.InterfaceBuilder interfaceBuilder =
 441                         new org.opendaylight.yang.gen.v1.http.org.openroadm.device
 442                             .rev181019.interfaces.grp.InterfaceBuilder(interfaceObject.get());
 443                     org.opendaylight.yang.gen.v1.http.org.openroadm.optical
 444                         .transport.interfaces.rev181019.ots.container.OtsBuilder otsBuilder =
 445                         new org.opendaylight.yang.gen.v1.http.org.openroadm
 446                             .optical.transport.interfaces.rev181019.ots.container.OtsBuilder();
 447                     org.opendaylight.yang.gen.v1.http.org.openroadm.device.rev181019.interfaces.grp.Interface intf =
 448                         interfaceObject.get();
 449                     if (intf.augmentation(org.opendaylight.yang.gen.v1.http.org.openroadm.optical
 450                         .transport.interfaces.rev181019.Interface1.class) != null
 451                             && intf.augmentation(org.opendaylight.yang.gen.v1.http.org.openroadm.optical.transport
 452                                 .interfaces.rev181019.Interface1.class).getOts() != null) {
 453                         org.opendaylight.yang.gen.v1.http.org.openroadm.optical.transport.interfaces
 454                             .rev181019.ots.container.Ots ots =
 455                                 intf.augmentation(org.opendaylight.yang.gen.v1.http.org.openroadm.optical
 456                                     .transport.interfaces.rev181019.Interface1.class).getOts();
 457
 458                         otsBuilder.setFiberType(ots.getFiberType());
 459                         spanLossRx = ots.getSpanLossReceive();
 460                         spanLossTx = ots.getSpanLossTransmit();
 461                     } else {
 462                         spanLossRx = new org.opendaylight.yang.gen.v1.http.org
 463                             .openroadm.common.types.rev181019.RatioDB(spanLoss);
 464                         spanLossTx = new org.opendaylight.yang.gen.v1.http.org
 465                             .openroadm.common.types.rev181019.RatioDB(spanLoss);
 466                     }
 467                     org.opendaylight.yang.gen.v1.http.org.openroadm.optical.transport.interfaces
 468                         .rev181019.Interface1Builder intf1Builder =
 469                             new org.opendaylight.yang.gen.v1.http.org.openroadm.optical
 470                             .transport.interfaces.rev181019.Interface1Builder();
 471                     if (direction.equals("TX")) {
 472                         otsBuilder.setSpanLossTransmit(new org.opendaylight.yang.gen.v1.http.org
 473                             .openroadm.common.types.rev181019.RatioDB(spanLoss));
 474                         otsBuilder.setSpanLossReceive(spanLossRx);
 475                     } else {
 476                         otsBuilder.setSpanLossTransmit(spanLossTx).setSpanLossReceive(
 477                             new org.opendaylight.yang.gen.v1.http.org.openroadm.common.types.rev181019.RatioDB(spanLoss)
 478                         );
 479                     }
 480                     interfaceBuilder.addAugmentation(org.opendaylight.yang.gen.v1.http
 481                         .org.openroadm.optical.transport.interfaces.rev181019.Interface1.class,
 482                         intf1Builder.setOts(otsBuilder.build()).build());
 483                     openRoadmInterfaces.postInterface(realNodeId,interfaceBuilder);
 484                     LOG.info("Spanloss Value update completed successfully");
 485                     return true;
 486                 } else {
 487                     LOG.error("Interface not found for nodeId: {} and interfaceName: {}", nodeId,interfaceName);
 488                     return false;
 489                 }
 490             }
 491         } catch (OpenRoadmInterfaceException e) {
 492             // TODO Auto-generated catch block
 493             LOG.error("OpenRoadmInterfaceException occured {}",e);
 494         } /**catch (InterruptedException e) {
 495          // TODO Auto-generated catch block
 496          } catch (ExecutionException e) {
 497          // TODO Auto-generated catch block
 498          }**/
 499         return false;
 500     }
 501
 502     /**
 503      * This method calculates Spanloss by TranmistPower - Receive Power Steps:
 504      *
 505      * <p>
 506      * 1. Read PM measurement
 507      *
 508      * <p>
 509      * 2. Set Spanloss value for interface
 510      *
 511      * @param roadmLinks
 512      *            reference to list of RoadmLinks
 513      * @return map with list of spans with their spanloss value
 514      */
 515     private Map<LinkId, BigDecimal> getLinkSpanloss(List<RoadmLinks> roadmLinks) {
 516         Map<LinkId, BigDecimal> map = new HashMap<LinkId, BigDecimal>();
 517         LOG.info("Executing GetLinkSpanLoss");
 518         BigDecimal spanLoss = new BigDecimal(0);
 519         for (RoadmLinks link : roadmLinks) {
 520             String sourceNodeId = link.getSrcNodeId().toString();
 521             String sourceTpId = link.getSrcTpId();
 522             String destNodeId = link.getDestNodeId().toString();
 523             String destTpId = link.getDestTpid();
 524             OtsPmHolder srcOtsPmHoler = getPmMeasurements(sourceNodeId, sourceTpId, "OpticalPowerOutput");
 525             OtsPmHolder destOtsPmHoler = getPmMeasurements(destNodeId, destTpId, "OpticalPowerInput");
 526             spanLoss = new BigDecimal(srcOtsPmHoler.getOtsParameterVal() - destOtsPmHoler.getOtsParameterVal())
 527                 .setScale(0, RoundingMode.HALF_UP);
 528             LOG.info("Spanloss Calculated as :{}={}-{}",
 529                 spanLoss, srcOtsPmHoler.getOtsParameterVal(), destOtsPmHoler.getOtsParameterVal());
 530             if (spanLoss.doubleValue() > 28) {
 531                 LOG.warn("Span Loss is out of range of OpenROADM specifications");
 532             }
 533             if (!setSpanLoss(sourceNodeId, srcOtsPmHoler.getOtsInterfaceName(), spanLoss, "TX")) {
 534                 LOG.info("Setting spanLoss failed for {}", sourceNodeId);
 535                 return null;
 536             }
 537             if (!setSpanLoss(destNodeId, destOtsPmHoler.getOtsInterfaceName(), spanLoss, "RX")) {
 538                 LOG.info("Setting spanLoss failed for {}", destNodeId);
 539                 return null;
 540             }
 541             map.put(link.getLinkId(), spanLoss);
 542         }
 543         return map;
 544     }
 545
 546     private String getRealNodeId(String mappedNodeId) {
 547         KeyedInstanceIdentifier<Node, NodeKey> mappedNodeII =
 548             InstanceIdentifiers.OVERLAY_NETWORK_II.child(Node.class, new NodeKey(new NodeId(mappedNodeId)));
 549         Optional<Node> realNode;
 550         try (ReadTransaction readOnlyTransaction = this.dataBroker.newReadOnlyTransaction()) {
 551             realNode = readOnlyTransaction.read(LogicalDatastoreType.CONFIGURATION, mappedNodeII).get();
 552         } catch (InterruptedException | ExecutionException e) {
 553             LOG.error(e.getMessage(), e);
 554             throw new IllegalStateException(e);
 555         }
 556         if (!realNode.isPresent() || (realNode.get().getSupportingNode() == null)) {
 557             LOG.error("supporting node is null");
 558             throw new IllegalArgumentException(
 559                 String.format("Could not find node %s, or supporting node is not present", mappedNodeId));
 560         }
 561         List<SupportingNode> collect = realNode.get().getSupportingNode().stream()
 562             .filter(node -> (node.getNetworkRef() != null)
 563                 && NetworkUtils.UNDERLAY_NETWORK_ID.equals(node.getNetworkRef().getValue())
 564                 && (node.getNodeRef() != null) && !Strings.isNullOrEmpty(node.getNodeRef().getValue()))
 565             .collect(Collectors.toList());
 566         if (collect.isEmpty() || (collect.size() > 1)) {
 567             throw new IllegalArgumentException(String.format("Invalid support node count [%d] was found for node %s",
 568                 collect.size(), mappedNodeId));
 569
 570         }
 571         LOG.info("getRealNodeId - return {}", collect.iterator().next().getNodeRef().getValue());
 572         return collect.iterator().next().getNodeRef().getValue();
 573     }
 574
 575     private Link getNetworkLinkById(LinkId linkId) {
 576         NetworkKey overlayTopologyKey = new NetworkKey(new NetworkId(NetworkUtils.OVERLAY_NETWORK_ID));
 577         InstanceIdentifier<Link> linkIID = InstanceIdentifier.builder(Networks.class)
 578             .child(Network.class, overlayTopologyKey)
 579             .augmentation(Network1.class).child(Link.class, new LinkKey(linkId))
 580             .build();
 581         Optional<Link> linkOptional;
 582         try (ReadTransaction rtx = dataBroker.newReadOnlyTransaction()) {
 583             //TODO change to constant from Timeouts class when it will be merged.
 584             linkOptional = rtx.read(LogicalDatastoreType.CONFIGURATION, linkIID).get(Timeouts.DATASTORE_READ,
 585                 TimeUnit.MILLISECONDS);
 586             return linkOptional.get();
 587         } catch (InterruptedException | ExecutionException | TimeoutException e) {
 588             LOG.warn("Read of {} topology failed", NetworkUtils.OVERLAY_NETWORK_ID);
 589             return null;
 590         }
 591     }
 592
 593 }