olm/src/main/java/org/opendaylight/transportpce/olm/power/PowerMgmtImpl.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.power;
  10 import java.math.BigDecimal;
  11 import java.math.MathContext;
  12 import java.math.RoundingMode;
  13 import java.util.HashMap;
  14 import java.util.Locale;
  15 import java.util.Map;
  16 import java.util.Optional;
  17 import org.opendaylight.mdsal.binding.api.DataBroker;
  18 import org.opendaylight.transportpce.common.crossconnect.CrossConnect;
  19 import org.opendaylight.transportpce.common.device.DeviceTransactionManager;
  20 import org.opendaylight.transportpce.common.fixedflex.GridConstant;
  21 import org.opendaylight.transportpce.common.openroadminterfaces.OpenRoadmInterfaceException;
  22 import org.opendaylight.transportpce.common.openroadminterfaces.OpenRoadmInterfaces;
  23 import org.opendaylight.transportpce.olm.util.OlmUtils;
  24 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.olm.rev210618.ServicePowerSetupInput;
  25 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.olm.rev210618.ServicePowerTurndownInput;
  26 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.portmapping.rev210927.OpenroadmNodeVersion;
  27 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.portmapping.rev210927.mapping.Mapping;
  28 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.portmapping.rev210927.mapping.MappingKey;
  29 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.portmapping.rev210927.network.Nodes;
  30 import org.opendaylight.yang.gen.v1.http.org.openroadm.common.types.rev161014.OpticalControlMode;
  31 import org.opendaylight.yang.gen.v1.http.org.openroadm.device.rev170206.interfaces.grp.Interface;
  32 import org.opendaylight.yang.gen.v1.http.org.openroadm.optical.transport.interfaces.rev161014.Interface1;
  33 import org.slf4j.Logger;
  34 import org.slf4j.LoggerFactory;
  35
  36 public class PowerMgmtImpl implements PowerMgmt {
  37     private static final Logger LOG = LoggerFactory.getLogger(PowerMgmtImpl.class);
  38     private final DataBroker db;
  39     private final OpenRoadmInterfaces openRoadmInterfaces;
  40     private final CrossConnect crossConnect;
  41     private final DeviceTransactionManager deviceTransactionManager;
  42     private static final BigDecimal DEFAULT_TPDR_PWR_100G = new BigDecimal(-5);
  43     private static final BigDecimal DEFAULT_TPDR_PWR_400G = new BigDecimal(0);
  44     private static final String INTERFACE_NOT_PRESENT = "Interface {} on node {} is not present!";
  45
  46     private long timer1 = 120000;
  47     // openroadm spec value is 120000, functest value is 3000
  48     private long timer2 = 20000;
  49     // openroadm spec value is 20000, functest value is 2000
  50
  51     public PowerMgmtImpl(DataBroker db, OpenRoadmInterfaces openRoadmInterfaces,
  52                          CrossConnect crossConnect, DeviceTransactionManager deviceTransactionManager) {
  53         this.db = db;
  54         this.openRoadmInterfaces = openRoadmInterfaces;
  55         this.crossConnect = crossConnect;
  56         this.deviceTransactionManager = deviceTransactionManager;
  57     }
  58
  59     public PowerMgmtImpl(DataBroker db, OpenRoadmInterfaces openRoadmInterfaces,
  60                          CrossConnect crossConnect, DeviceTransactionManager deviceTransactionManager,
  61                          String timer1, String timer2) {
  62         this.db = db;
  63         this.openRoadmInterfaces = openRoadmInterfaces;
  64         this.crossConnect = crossConnect;
  65         this.deviceTransactionManager = deviceTransactionManager;
  66         try {
  67             this.timer1 = Long.parseLong(timer1);
  68         } catch (NumberFormatException e) {
  69             this.timer1 = 120000;
  70             LOG.warn("Failed to retrieve Olm timer1 value from configuration - using default value {}",
  71                 this.timer1, e);
  72         }
  73         try {
  74             this.timer2 = Long.parseLong(timer2);
  75         } catch (NumberFormatException e) {
  76             this.timer2 = 20000;
  77             LOG.warn("Failed to retrieve Olm timer2 value from configuration - using default value {}",
  78                 this.timer2, e);
  79         }
  80     }
  81
  82     /**
  83      * This methods measures power requirement for turning up a WL
  84      * from the Spanloss at OTS transmit direction and update
  85      * roadm-connection target-output-power.
  86      *
  87      * @param input
  88      *            Input parameter from the olm servicePowerSetup rpc
  89      *
  90      * @return true/false based on status of operation.
  91      */
  92     //TODO Need to Case Optical Power mode/NodeType in case of 2.2 devices
  93     public Boolean setPower(ServicePowerSetupInput input) {
  94         LOG.info("Olm-setPower initiated for input {}", input);
  95         String spectralSlotName = String.join(GridConstant.SPECTRAL_SLOT_SEPARATOR,
  96                 input.getLowerSpectralSlotNumber().toString(),
  97                 input.getHigherSpectralSlotNumber().toString());
  98         for (int i = 0; i < input.getNodes().size(); i++) {
  99             String nodeId = input.getNodes().get(i).getNodeId();
 100             String destTpId = input.getNodes().get(i).getDestTp();
 101             Optional<Nodes> inputNodeOptional = OlmUtils.getNode(nodeId, this.db);
 102             if (inputNodeOptional.isEmpty()
 103                     || inputNodeOptional.get().getNodeInfo().getNodeType() == null) {
 104                 LOG.error("OLM-PowerMgmtImpl : Error node type cannot be retrieved for node {}", nodeId);
 105                 continue;
 106             }
 107             Nodes inputNode = inputNodeOptional.get();
 108             OpenroadmNodeVersion openroadmVersion = inputNode.getNodeInfo().getOpenroadmVersion();
 109
 110             switch (inputNode.getNodeInfo().getNodeType()) {
 111                 case Xpdr:
 112                     if (destTpId == null) {
 113                         continue;
 114                     }
 115                     LOG.info("Getting data from input node {}", inputNode.getNodeInfo().getNodeType());
 116                     LOG.info("Getting mapping data for node is {}",
 117                         inputNode.nonnullMapping().values().stream().filter(o -> o.key()
 118                          .equals(new MappingKey(destTpId))).findFirst().toString());
 119                     // If its not A-End transponder
 120                     if (!destTpId.toUpperCase(Locale.getDefault()).contains("NETWORK")) {
 121                         LOG.info("{} is a drop node. Net power settings needed", nodeId);
 122                         continue;
 123                     }
 124
 125                     BigDecimal powerVal = getXpdrPowerValue(
 126                             inputNode, destTpId, nodeId, openroadmVersion.getIntValue(),
 127                             input.getNodes().get(i + 1).getSrcTp(), input.getNodes().get(i + 1).getNodeId());
 128                     if (powerVal == null) {
 129                         return false;
 130                     }
 131
 132                     String interfaceName = String.join(GridConstant.NAME_PARAMETERS_SEPARATOR,
 133                         destTpId, spectralSlotName);
 134                     if (!callSetTransponderPower(nodeId, interfaceName, powerVal, openroadmVersion)) {
 135                         LOG.info("Transponder OCH connection: {} power update failed ", interfaceName);
 136                         continue;
 137                     }
 138                     LOG.info("Transponder OCH connection: {} power updated ", interfaceName);
 139                     try {
 140                         LOG.info("Now going in sleep mode");
 141                         Thread.sleep(timer1);
 142                     } catch (InterruptedException e) {
 143                         LOG.info("Transponder warmup failed for OCH connection: {}", interfaceName, e);
 144                         // FIXME shouldn't it be LOG.warn  or LOG.error?
 145                         // or maybe this try/catch block can simply be removed
 146                     }
 147                     break;
 148                 case Rdm:
 149                     LOG.info("This is a roadm {} device", openroadmVersion.getName());
 150                     String connectionNumber = String.join(GridConstant.NAME_PARAMETERS_SEPARATOR,
 151                             input.getNodes().get(i).getSrcTp(), destTpId, spectralSlotName);
 152                     LOG.info("Connection number is {}", connectionNumber);
 153
 154                     // If Drop node leave node is power mode
 155                     if (destTpId.toUpperCase(Locale.getDefault()).contains("SRG")) {
 156                         LOG.info("Setting power at drop node");
 157                         crossConnect.setPowerLevel(nodeId, OpticalControlMode.Power.getName(), null, connectionNumber);
 158                         continue;
 159                     }
 160                     if (!destTpId.toUpperCase(Locale.getDefault()).contains("DEG")) {
 161                         continue;
 162                     }
 163                     // If Degree is transmitting end then set power
 164                     Optional<Mapping> mappingObjectOptional = inputNode.nonnullMapping()
 165                             .values().stream().filter(o -> o.key()
 166                             .equals(new MappingKey(destTpId))).findFirst();
 167                     if (mappingObjectOptional.isEmpty()) {
 168                         continue;
 169                     }
 170                     // TODO can it be return false rather than continue?
 171                     // in that case, mappingObjectOptional could be moved inside method getSpanLossTx()
 172                     LOG.info("Dest point is Degree {}", mappingObjectOptional.get());
 173                     BigDecimal spanLossTx = getSpanLossTx(mappingObjectOptional.get().getSupportingOts(),
 174                         destTpId, nodeId, openroadmVersion.getIntValue());
 175
 176                     LOG.info("Spanloss TX is {}", spanLossTx);
 177                     if (spanLossTx == null || spanLossTx.intValue() <= 0 || spanLossTx.intValue() > 28) {
 178                         LOG.error("Power Value is null: spanLossTx null or out of openROADM range ]0,28] {}",
 179                                 spanLossTx);
 180                         return false;
 181                     }
 182                     BigDecimal powerValue = getRdmPowerValue(spanLossTx, input);
 183                     try {
 184                         if (!crossConnect.setPowerLevel(nodeId, OpticalControlMode.Power.getName(), powerValue,
 185                                 connectionNumber)) {
 186                             LOG.info("Set Power failed for Roadm-connection: {} on Node: {}",
 187                                     connectionNumber, nodeId);
 188                             // FIXME shouldn't it be LOG.error
 189                             return false;
 190                         }
 191                         LOG.info("Roadm-connection: {} updated ", connectionNumber);
 192                         Thread.sleep(timer2);
 193                         // TODO make this timer value configurable via OSGi blueprint
 194                         // although the value recommended by the white paper is 20 seconds.
 195                         // At least one vendor product needs 60 seconds
 196                         // because it is not supporting GainLoss with target-output-power.
 197
 198                         if (!crossConnect.setPowerLevel(nodeId, OpticalControlMode.GainLoss.getName(), powerValue,
 199                                 connectionNumber)) {
 200                             LOG.warn("Setting power-control mode off failed for Roadm-connection: {}",
 201                                 connectionNumber);
 202                             // FIXME no return false in that case?
 203                         }
 204                     } catch (InterruptedException e) {
 205                         LOG.error("Olm-setPower wait failed :", e);
 206                         return false;
 207                     }
 208                     break;
 209                 default :
 210                     LOG.error("OLM-PowerMgmtImpl : Error with node type for node {}", nodeId);
 211                     break;
 212             }
 213         }
 214         return true;
 215     }
 216
 217     private Map<String, Double> getTxPowerRangeMap(Nodes inputNode, String destTpId, String nodeId,
 218             Integer openroadmVersion) {
 219
 220         Optional<Mapping> mappingObject = inputNode.nonnullMapping().values().stream()
 221                 .filter(o -> o.key().equals(new MappingKey(destTpId))).findFirst();
 222         if (mappingObject.isEmpty()) {
 223             LOG.info("Mapping object not found for nodeId: {}", nodeId);
 224             // FIXME shouldn't it be LOG.error ?
 225             return null;
 226             // return null here means return false in setPower()
 227             // TODO Align protections with getSRGRxPowerRangeMap
 228         }
 229
 230         String circuitPackName = mappingObject.get().getSupportingCircuitPackName();
 231         String portName = mappingObject.get().getSupportingPort();
 232         switch (openroadmVersion) {
 233             case 1:
 234                 return PowerMgmtVersion121.getXponderPowerRange(circuitPackName, portName,
 235                     nodeId, deviceTransactionManager);
 236             case 2:
 237                 return PowerMgmtVersion221.getXponderPowerRange(circuitPackName, portName,
 238                     nodeId, deviceTransactionManager);
 239             case 3:
 240                 return PowerMgmtVersion710.getXponderPowerRange(circuitPackName, portName,
 241                     nodeId, deviceTransactionManager);
 242             default:
 243                 LOG.error("Unrecognized OpenRoadm version");
 244                 return new HashMap<>();
 245                 // FIXME shouldn't it lead to a return false in setPower()?
 246         }
 247     }
 248
 249
 250     private Map<String, Double> getSRGRxPowerRangeMap(String srgId, String nodeId, Integer openroadmVersion) {
 251
 252         Optional<Nodes> inputNode = OlmUtils.getNode(nodeId, this.db);
 253         int rdmOpenroadmVersion =
 254                 inputNode.isPresent()
 255                     ? inputNode.get().getNodeInfo().getOpenroadmVersion().getIntValue()
 256                     : openroadmVersion;
 257         Optional<Mapping> mappingObject = inputNode
 258                 .flatMap(node -> node.nonnullMapping().values().stream()
 259                     .filter(o -> o.key().equals(new MappingKey(srgId))).findFirst());
 260
 261         if (mappingObject.isEmpty()) {
 262             return new HashMap<>();
 263             // FIXME shouldn't it lead to a return false in setPower() ?
 264         }
 265
 266         String circuitPackName = mappingObject.get().getSupportingCircuitPackName();
 267         String portName = mappingObject.get().getSupportingPort();
 268         switch (rdmOpenroadmVersion) {
 269             case 1:
 270                 return PowerMgmtVersion121.getSRGRxPowerRange(nodeId, srgId,
 271                         deviceTransactionManager, circuitPackName, portName);
 272             case 2:
 273                 return PowerMgmtVersion221.getSRGRxPowerRange(nodeId, srgId,
 274                         deviceTransactionManager, circuitPackName, portName);
 275             case 3:
 276                 return PowerMgmtVersion710.getSRGRxPowerRange(nodeId, srgId,
 277                         deviceTransactionManager, circuitPackName, portName);
 278             default:
 279                 LOG.error("Unrecognized OpenRoadm version");
 280                 return null;
 281                 //return null here means return false in setPower()
 282                 // TODO Align protections with getTxPowerRangeMap
 283         }
 284     }
 285
 286     private BigDecimal getSpanLossTx(String supportingOts, String destTpId, String nodeId, Integer openroadmVersion) {
 287         try {
 288             switch (openroadmVersion) {
 289                 case 1:
 290                     Optional<Interface> interfaceOpt =
 291                         this.openRoadmInterfaces.getInterface(nodeId, supportingOts);
 292                     if (interfaceOpt.isEmpty()) {
 293                         LOG.error(INTERFACE_NOT_PRESENT, supportingOts, nodeId);
 294                         return null;
 295                     }
 296                     if (interfaceOpt.get().augmentation(Interface1.class).getOts()
 297                             .getSpanLossTransmit() == null) {
 298                         LOG.error("interface {} has no spanloss value", interfaceOpt.get().getName());
 299                         return null;
 300                     }
 301                     return interfaceOpt.get()
 302                             .augmentation(Interface1.class)
 303                             .getOts().getSpanLossTransmit().getValue();
 304                 case 2:
 305                     Optional<org.opendaylight.yang.gen.v1.http.org.openroadm.device.rev181019
 306                             .interfaces.grp.Interface> interfaceOpt1 =
 307                         this.openRoadmInterfaces.getInterface(nodeId, supportingOts);
 308                     if (interfaceOpt1.isEmpty()) {
 309                         LOG.error(INTERFACE_NOT_PRESENT, supportingOts, nodeId);
 310                         return null;
 311                     }
 312                     if (interfaceOpt1.get().augmentation(org.opendaylight.yang.gen.v1.http.org
 313                             .openroadm.optical.transport.interfaces.rev181019.Interface1.class).getOts()
 314                                 .getSpanLossTransmit() == null) {
 315                         LOG.error("interface {} has no spanloss value", interfaceOpt1.get().getName());
 316                         return null;
 317                     }
 318                     return interfaceOpt1.get()
 319                             .augmentation(org.opendaylight.yang.gen.v1.http.org
 320                                 .openroadm.optical.transport.interfaces.rev181019.Interface1.class)
 321                             .getOts().getSpanLossTransmit().getValue();
 322                 // TODO no case 3 ?
 323                 default:
 324                     return null;
 325             }
 326         } catch (OpenRoadmInterfaceException ex) {
 327             LOG.error("Failed to get interface {} from node {}!",
 328                 supportingOts, nodeId, ex);
 329             return null;
 330         } catch (IllegalArgumentException ex) {
 331             LOG.error("Failed to get non existing interface {} from node {}!",
 332                 supportingOts, nodeId);
 333             return null;
 334         }
 335     }
 336
 337     private BigDecimal getXpdrPowerValue(Nodes inputNode, String destTpId, String nodeId, Integer openroadmVersion,
 338             String srgId, String nextNodeId) {
 339
 340         Map<String, Double> txPowerRangeMap = getTxPowerRangeMap(inputNode, destTpId, nodeId, openroadmVersion);
 341         if (txPowerRangeMap == null) {
 342             return null;
 343             // return null here means return false in setPower()
 344         }
 345         BigDecimal powerVal =
 346             openroadmVersion == 3 ? DEFAULT_TPDR_PWR_400G : DEFAULT_TPDR_PWR_100G;
 347         if (txPowerRangeMap.isEmpty()) {
 348             LOG.info("Tranponder range not available setting to default power for nodeId: {}", nodeId);
 349             return powerVal;
 350         }
 351
 352         Map<String, Double> rxSRGPowerRangeMap = getSRGRxPowerRangeMap(srgId, nextNodeId, openroadmVersion);
 353         if (rxSRGPowerRangeMap == null) {
 354             return null;
 355             // return null here means return false in setPower()
 356             // TODO empty txPowerRangeMap + null rxSRGPowerRangeMap is allowed
 357             // => confirm this behavior is OK
 358         }
 359         if (rxSRGPowerRangeMap.isEmpty()) {
 360             LOG.info("SRG Power Range not found, setting the Transponder range to default");
 361             return powerVal;
 362         }
 363
 364         powerVal = new BigDecimal(txPowerRangeMap.get("MaxTx"))
 365             .min(new BigDecimal(rxSRGPowerRangeMap.get("MaxRx")));
 366         LOG.info("Calculated Transponder Power value is {}" , powerVal);
 367         return powerVal;
 368     }
 369
 370
 371     private BigDecimal getRdmPowerValue(BigDecimal spanLossTx, ServicePowerSetupInput input) {
 372         BigDecimal powerValue = spanLossTx.subtract(BigDecimal.valueOf(9)).min(BigDecimal.valueOf(2));
 373         // we work at constant power spectral density (50 GHz channel width @-20dBm=37.5GHz)
 374         // 87.5 GHz channel width @-20dBm=75GHz
 375         if (input.getMcWidth() != null) {
 376             LOG.debug("Input Gridsize is {}",input.getMcWidth().getValue());
 377             if (input.getMcWidth().getValue().equals(GridConstant.WIDTH_80)) {
 378                 powerValue = powerValue.add(BigDecimal.valueOf(3));
 379             } else if (input.getMcWidth().getValue().equals(GridConstant.SLOT_WIDTH_87_5)) {
 380                 BigDecimal logVal = GridConstant.SLOT_WIDTH_87_5.divide(new BigDecimal(50));
 381                 double pdsVal = 10 * Math.log10(logVal.doubleValue());
 382                 powerValue = powerValue.add(new BigDecimal(pdsVal, new MathContext(3, RoundingMode.HALF_EVEN)));
 383             }
 384         }
 385         // FIXME compliancy with OpenROADM MSA and approximations used -- should be addressed with powermask update
 386         // cf JIRA ticket https://jira.opendaylight.org/browse/TRNSPRTPCE-494
 387         LOG.info("Power Value is {}", powerValue);
 388         return powerValue;
 389     }
 390
 391     /**
 392      * This methods turns down power a WL by performing
 393      * following steps:
 394      *
 395      * <p>
 396      * 1. Pull interfaces used in service and change
 397      * status to outOfService
 398      *
 399      * <p>
 400      * 2. For each of the ROADM node set target-output-power
 401      * to -60dbm, wait for 20 seconds, turn power mode to off
 402      *
 403      * <p>
 404      * 3. Turn down power in Z to A direction and A to Z
 405      *
 406      * @param input
 407      *            Input parameter from the olm servicePowerTurndown rpc
 408      *
 409      * @return true/false based on status of operation
 410      */
 411     public Boolean powerTurnDown(ServicePowerTurndownInput input) {
 412         LOG.info("Olm-powerTurnDown initiated for input {}", input);
 413         /*Starting with last element into the list Z -> A for
 414           turning down A -> Z */
 415         String spectralSlotName = String.join(GridConstant.SPECTRAL_SLOT_SEPARATOR,
 416                 input.getLowerSpectralSlotNumber().toString(),
 417                 input.getHigherSpectralSlotNumber().toString());
 418         for (int i = input.getNodes().size() - 1; i >= 0; i--) {
 419             String nodeId = input.getNodes().get(i).getNodeId();
 420             String destTpId = input.getNodes().get(i).getDestTp();
 421             String connectionNumber =  String.join(GridConstant.NAME_PARAMETERS_SEPARATOR,
 422                     input.getNodes().get(i).getSrcTp(), destTpId, spectralSlotName);
 423             try {
 424                 if (destTpId.toUpperCase(Locale.getDefault()).contains("DEG")) {
 425                     if (!crossConnect.setPowerLevel(nodeId, OpticalControlMode.Power.getName(), new BigDecimal(-60),
 426                             connectionNumber)) {
 427                         LOG.warn("Power down failed for Roadm-connection: {}", connectionNumber);
 428                         return false;
 429                     }
 430                     Thread.sleep(timer2);
 431                     if (!crossConnect.setPowerLevel(nodeId, OpticalControlMode.Off.getName(), null, connectionNumber)) {
 432                         LOG.warn("Setting power-control mode off failed for Roadm-connection: {}", connectionNumber);
 433                         return false;
 434                     }
 435                 } else if (destTpId.toUpperCase(Locale.getDefault()).contains("SRG")) {
 436                     if (!crossConnect.setPowerLevel(nodeId, OpticalControlMode.Off.getName(), null, connectionNumber)) {
 437                         LOG.warn("Setting power-control mode off failed for Roadm-connection: {}", connectionNumber);
 438                         // FIXME a return false would allow sync with DEG case but makes current Unit tests fail
 439                     }
 440                 }
 441             } catch (InterruptedException e) {
 442                 // TODO Auto-generated catch block
 443                 LOG.error("Olm-powerTurnDown wait failed: ",e);
 444                 return false;
 445             }
 446         }
 447         return true;
 448     }
 449
 450     /**
 451      * This method retrieves transponder OCH interface and
 452      * sets power.
 453      *
 454      * @param nodeId
 455      *            Unique identifier for the mounted netconf- node
 456      * @param interfaceName
 457      *            OCH interface name carrying WL
 458      * @param txPower
 459      *            Calculated transmit power
 460      * @param openroadmVersion
 461      *            Version of openRoadm device software
 462      * @return true/false based on status of operation
 463      */
 464     private boolean callSetTransponderPower(String nodeId, String interfaceName, BigDecimal txPower,
 465                                             OpenroadmNodeVersion openroadmVersion) {
 466
 467         boolean powerSetupResult = false;
 468         try {
 469             switch (openroadmVersion.getIntValue()) {
 470                 case 1:
 471                     Optional<Interface> interfaceOptional121 =
 472                         openRoadmInterfaces.getInterface(nodeId, interfaceName);
 473                     if (interfaceOptional121.isEmpty()) {
 474                         LOG.error(INTERFACE_NOT_PRESENT, interfaceName, nodeId);
 475                         return false;
 476                     }
 477                     powerSetupResult = PowerMgmtVersion121.setTransponderPower(nodeId, interfaceName,
 478                             txPower, deviceTransactionManager, interfaceOptional121.get());
 479                     break;
 480                 case 2:
 481                     Optional<org.opendaylight.yang.gen.v1.http.org.openroadm.device.rev181019.interfaces.grp
 482                             .Interface> interfaceOptional221 =
 483                         openRoadmInterfaces.getInterface(nodeId, interfaceName);
 484                     if (interfaceOptional221.isEmpty()) {
 485                         LOG.error(INTERFACE_NOT_PRESENT, interfaceName, nodeId);
 486                         return false;
 487                     }
 488                     powerSetupResult = PowerMgmtVersion221.setTransponderPower(nodeId, interfaceName,
 489                             txPower, deviceTransactionManager, interfaceOptional221.get());
 490                     break;
 491                 case 3:
 492                     Optional<org.opendaylight.yang.gen.v1.http.org.openroadm.device.rev200529.interfaces.grp
 493                             .Interface> interfaceOptional710 =
 494                         openRoadmInterfaces.getInterface(nodeId, interfaceName);
 495                     if (interfaceOptional710.isEmpty()) {
 496                         LOG.error(INTERFACE_NOT_PRESENT, interfaceName, nodeId);
 497                         return false;
 498                     }
 499                     powerSetupResult = PowerMgmtVersion710.setTransponderPower(nodeId, interfaceName,
 500                             txPower, deviceTransactionManager, interfaceOptional710.get());
 501                     break;
 502                 default:
 503                     LOG.error("Unrecognized OpenRoadm version");
 504                     return false;
 505             }
 506         } catch (OpenRoadmInterfaceException ex) {
 507             LOG.error("Failed to get interface {} from node {}!", interfaceName, nodeId, ex);
 508             return false;
 509         }
 510         if (!powerSetupResult) {
 511             LOG.debug("Transponder power setup failed for nodeId {} on interface {}",
 512                     nodeId, interfaceName);
 513             return false;
 514         }
 515         LOG.debug("Transponder power set up completed successfully for nodeId {} and interface {}",
 516                 nodeId,interfaceName);
 517         return true;
 518     }
 519
 520 }