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
  11 import java.math.BigDecimal;
  12 import java.math.MathContext;
  13 import java.math.RoundingMode;
  14 import java.util.Arrays;
  15 import java.util.HashMap;
  16 import java.util.Locale;
  17 import java.util.Map;
  18 import java.util.Optional;
  19 import java.util.stream.Collectors;
  20 import org.opendaylight.transportpce.common.crossconnect.CrossConnect;
  21 import org.opendaylight.transportpce.common.device.DeviceTransactionManager;
  22 import org.opendaylight.transportpce.common.fixedflex.GridConstant;
  23 import org.opendaylight.transportpce.common.mapping.PortMapping;
  24 import org.opendaylight.transportpce.common.openroadminterfaces.OpenRoadmInterfaceException;
  25 import org.opendaylight.transportpce.common.openroadminterfaces.OpenRoadmInterfaces;
  26 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.olm.rev210618.ServicePowerSetupInput;
  27 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.olm.rev210618.ServicePowerTurndownInput;
  28 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.portmapping.rev231221.OpenroadmNodeVersion;
  29 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.portmapping.rev231221.mapping.Mapping;
  30 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.portmapping.rev231221.mapping.MappingKey;
  31 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.portmapping.rev231221.network.Nodes;
  32 import org.opendaylight.yang.gen.v1.http.org.openroadm.common.types.rev161014.OpticalControlMode;
  33 import org.opendaylight.yang.gen.v1.http.org.openroadm.device.rev170206.interfaces.grp.Interface;
  34 import org.opendaylight.yang.gen.v1.http.org.openroadm.optical.transport.interfaces.rev161014.Interface1;
  35 import org.opendaylight.yangtools.yang.common.Decimal64;
  36 import org.osgi.service.component.annotations.Activate;
  37 import org.osgi.service.component.annotations.Component;
  38 import org.osgi.service.component.annotations.Reference;
  39 import org.osgi.service.metatype.annotations.AttributeDefinition;
  40 import org.osgi.service.metatype.annotations.ObjectClassDefinition;
  41 import org.slf4j.Logger;
  42 import org.slf4j.LoggerFactory;
  43
  44 @Component(configurationPid = "org.opendaylight.transportpce")
  45 public class PowerMgmtImpl implements PowerMgmt {
  46
  47     @ObjectClassDefinition
  48     public @interface Configuration {
  49         @AttributeDefinition
  50         long timer1() default 120000;
  51         @AttributeDefinition
  52         long timer2() default 20000;
  53     }
  54     private static final Logger LOG = LoggerFactory.getLogger(PowerMgmtImpl.class);
  55     private final OpenRoadmInterfaces openRoadmInterfaces;
  56     private final CrossConnect crossConnect;
  57     private final DeviceTransactionManager deviceTransactionManager;
  58     private final PortMapping portMapping;
  59     private static final BigDecimal DEFAULT_TPDR_PWR_100G = new BigDecimal(-5);
  60     private static final BigDecimal DEFAULT_TPDR_PWR_400G = new BigDecimal(0);
  61     private static final String INTERFACE_NOT_PRESENT = "Interface {} on node {} is not present!";
  62     private static final double MC_WIDTH_GRAN = 2 * GridConstant.GRANULARITY;
  63
  64     private long timer1;
  65     // openroadm spec value is 120000, functest value is 3000
  66     private long timer2;
  67     // openroadm spec value is 20000, functest value is 2000
  68
  69     @Activate
  70     public PowerMgmtImpl(@Reference OpenRoadmInterfaces openRoadmInterfaces,
  71             @Reference CrossConnect crossConnect,
  72             @Reference DeviceTransactionManager deviceTransactionManager,
  73             @Reference PortMapping portMapping, final Configuration configuration) {
  74         this(openRoadmInterfaces, crossConnect, deviceTransactionManager, portMapping, configuration.timer1(),
  75                 configuration.timer2());
  76     }
  77
  78     public PowerMgmtImpl(OpenRoadmInterfaces openRoadmInterfaces,
  79                          CrossConnect crossConnect, DeviceTransactionManager deviceTransactionManager,
  80             PortMapping portMapping, long timer1, long timer2) {
  81         this.openRoadmInterfaces = openRoadmInterfaces;
  82         this.crossConnect = crossConnect;
  83         this.deviceTransactionManager = deviceTransactionManager;
  84         this.portMapping = portMapping;
  85         try {
  86             this.timer1 = Long.valueOf(timer1);
  87         } catch (NumberFormatException e) {
  88             this.timer1 = 120000;
  89             LOG.warn("Failed to retrieve Olm timer1 value from configuration - using default value {}",
  90                 this.timer1, e);
  91         }
  92         try {
  93             this.timer2 = Long.valueOf(timer2);
  94         } catch (NumberFormatException e) {
  95             this.timer2 = 20000;
  96             LOG.warn("Failed to retrieve Olm timer2 value from configuration - using default value {}",
  97                 this.timer2, e);
  98         }
  99         LOG.debug("PowerMgmtImpl instantiated with olm timers = {} - {}", this.timer1, this.timer2);
 100     }
 101
 102     /**
 103      * This methods measures power requirement for turning up a WL
 104      * from the Spanloss at OTS transmit direction and update
 105      * roadm-connection target-output-power.
 106      *
 107      * @param input
 108      *            Input parameter from the olm servicePowerSetup rpc
 109      *
 110      * @return true/false based on status of operation.
 111      */
 112     //TODO Need to Case Optical Power mode/NodeType in case of 2.2 devices
 113     public Boolean setPower(ServicePowerSetupInput input) {
 114         LOG.info("Olm-setPower initiated for input {}", input);
 115         String spectralSlotName = String.join(GridConstant.SPECTRAL_SLOT_SEPARATOR,
 116                 input.getLowerSpectralSlotNumber().toString(),
 117                 input.getHigherSpectralSlotNumber().toString());
 118         if (input.getNodes() == null) {
 119             LOG.error("No Nodes to configure");
 120             return false;
 121         }
 122         for (int i = 0; i < input.getNodes().size(); i++) {
 123             String nodeId = input.getNodes().get(i).getNodeId();
 124             String destTpId = input.getNodes().get(i).getDestTp();
 125             Nodes inputNode = this.portMapping.getNode(nodeId);
 126             if (inputNode == null || inputNode.getNodeInfo() == null) {
 127                 LOG.error("OLM-PowerMgmtImpl : Error retrieving mapping node for {}", nodeId);
 128                 return false;
 129             }
 130             OpenroadmNodeVersion openroadmVersion = inputNode.getNodeInfo().getOpenroadmVersion();
 131
 132             switch (inputNode.getNodeInfo().getNodeType()) {
 133                 case Xpdr:
 134                     if (destTpId == null) {
 135                         continue;
 136                     }
 137                     LOG.info("Getting data from input node {}", inputNode.getNodeInfo().getNodeType());
 138                     LOG.info("Getting mapping data for node is {}",
 139                         inputNode.nonnullMapping().values().stream().filter(o -> o.key()
 140                          .equals(new MappingKey(destTpId))).findFirst().toString());
 141                     // If its not A-End transponder
 142                     if (!destTpId.toUpperCase(Locale.getDefault()).contains("NETWORK")) {
 143                         LOG.info("{} is a drop node. Net power settings needed", nodeId);
 144                         continue;
 145                     }
 146
 147                     BigDecimal powerVal = getXpdrPowerValue(
 148                             inputNode, destTpId, nodeId, openroadmVersion.getIntValue(),
 149                             input.getNodes().get(i + 1).getSrcTp(), input.getNodes().get(i + 1).getNodeId());
 150                     if (powerVal == null) {
 151                         return false;
 152                     }
 153
 154                     String interfaceName = String.join(GridConstant.NAME_PARAMETERS_SEPARATOR,
 155                         destTpId, spectralSlotName);
 156                     if (!callSetTransponderPower(nodeId, interfaceName, powerVal, openroadmVersion)) {
 157                         LOG.info("Transponder OCH connection: {} power update failed ", interfaceName);
 158                         continue;
 159                     }
 160                     LOG.info("Transponder OCH connection: {} power updated ", interfaceName);
 161                     try {
 162                         LOG.info("Now going in sleep mode");
 163                         Thread.sleep(timer1);
 164                     } catch (InterruptedException e) {
 165                         LOG.info("Transponder warmup failed for OCH connection: {}", interfaceName, e);
 166                         // FIXME shouldn't it be LOG.warn  or LOG.error?
 167                         // or maybe this try/catch block can simply be removed
 168                     }
 169                     break;
 170                 case Rdm:
 171                     LOG.info("This is a roadm {} device", openroadmVersion.getName());
 172                     String connectionNumber = String.join(GridConstant.NAME_PARAMETERS_SEPARATOR,
 173                             input.getNodes().get(i).getSrcTp(), destTpId, spectralSlotName);
 174                     LOG.info("Connection number is {}", connectionNumber);
 175
 176                     // If Drop node leave node is power mode
 177                     if (destTpId.toUpperCase(Locale.getDefault()).contains("SRG")) {
 178                         LOG.info("Setting power at drop node");
 179                         crossConnect.setPowerLevel(nodeId, OpticalControlMode.Power.getName(), null, connectionNumber);
 180                         continue;
 181                     }
 182                     if (!destTpId.toUpperCase(Locale.getDefault()).contains("DEG")) {
 183                         continue;
 184                     }
 185                     // If Degree is transmitting end then set power
 186                     Optional<Mapping> mappingObjectOptional = inputNode.nonnullMapping()
 187                             .values().stream().filter(o -> o.key()
 188                             .equals(new MappingKey(destTpId))).findFirst();
 189                     if (mappingObjectOptional.isEmpty()) {
 190                         continue;
 191                     }
 192                     // TODO can it be return false rather than continue?
 193                     // in that case, mappingObjectOptional could be moved inside method getSpanLossTx()
 194                     LOG.info("Dest point is Degree {}", mappingObjectOptional.orElseThrow());
 195                     BigDecimal spanLossTx = getSpanLossTx(mappingObjectOptional.orElseThrow().getSupportingOts(),
 196                         destTpId, nodeId, openroadmVersion.getIntValue());
 197
 198                     LOG.info("Spanloss TX is {}", spanLossTx);
 199                     // TODO: The span-loss limits should be obtained from optical specifications
 200                     if (spanLossTx == null || spanLossTx.intValue() < 0 || spanLossTx.intValue() > 27) {
 201                         LOG.error("Power Value is null: spanLossTx null or out of openROADM range [0,27] {}",
 202                             spanLossTx);
 203                         return false;
 204                     }
 205                     Decimal64 powerValue = Decimal64.valueOf(getRdmPowerValue(spanLossTx, input));
 206                     try {
 207                         if (!crossConnect.setPowerLevel(nodeId, OpticalControlMode.Power.getName(), powerValue,
 208                                 connectionNumber)) {
 209                             LOG.error("Set Power failed for Roadm-connection: {} on Node: {}",
 210                                     connectionNumber, nodeId);
 211                             return false;
 212                         }
 213                         LOG.info("Roadm-connection: {} updated ", connectionNumber);
 214                         Thread.sleep(timer2);
 215                         // TODO make this timer value configurable via OSGi blueprint
 216                         // although the value recommended by the white paper is 20 seconds.
 217                         // At least one vendor product needs 60 seconds
 218                         // because it is not supporting GainLoss with target-output-power.
 219
 220                         if (!crossConnect.setPowerLevel(nodeId, OpticalControlMode.GainLoss.getName(), powerValue,
 221                                 connectionNumber)) {
 222                             LOG.error("Set GainLoss failed for Roadm-connection: {} on Node: {}",
 223                                     connectionNumber, nodeId);
 224                             return false;
 225                         }
 226                     } catch (InterruptedException e) {
 227                         LOG.error("Olm-setPower wait failed :", e);
 228                         return false;
 229                     }
 230                     break;
 231                 default :
 232                     LOG.error("OLM-PowerMgmtImpl : Error with node type for node {}", nodeId);
 233                     break;
 234             }
 235         }
 236         return true;
 237     }
 238
 239     private Map<String, Double> getTxPowerRangeMap(Nodes inputNode, String destTpId, String nodeId,
 240             Integer openroadmVersion) {
 241
 242         Optional<Mapping> mappingObject = inputNode.nonnullMapping().values().stream()
 243                 .filter(o -> o.key().equals(new MappingKey(destTpId))).findFirst();
 244         if (mappingObject.isEmpty()) {
 245             LOG.info("Mapping object not found for nodeId: {}", nodeId);
 246             // FIXME shouldn't it be LOG.error ?
 247             return null;
 248             // return null here means return false in setPower()
 249             // TODO Align protections with getSRGRxPowerRangeMap
 250         }
 251
 252         String circuitPackName = mappingObject.orElseThrow().getSupportingCircuitPackName();
 253         String portName = mappingObject.orElseThrow().getSupportingPort();
 254         switch (openroadmVersion) {
 255             case 1:
 256                 return PowerMgmtVersion121.getXponderPowerRange(circuitPackName, portName,
 257                     nodeId, deviceTransactionManager);
 258             case 2:
 259                 return PowerMgmtVersion221.getXponderPowerRange(circuitPackName, portName,
 260                     nodeId, deviceTransactionManager);
 261             case 3:
 262                 return PowerMgmtVersion710.getXponderPowerRange(circuitPackName, portName,
 263                     nodeId, deviceTransactionManager);
 264             default:
 265                 LOG.error("Unrecognized OpenRoadm version");
 266                 return new HashMap<>();
 267                 // FIXME shouldn't it lead to a return false in setPower()?
 268         }
 269     }
 270
 271
 272     private Map<String, Double> getSRGRxPowerRangeMap(String srgId, String nodeId, Integer openroadmVersion) {
 273
 274         Nodes inputNode = this.portMapping.getNode(nodeId);
 275         int rdmOpenroadmVersion = inputNode.getNodeInfo().getOpenroadmVersion().getIntValue();
 276         Optional<Mapping> mappingObject = inputNode.nonnullMapping().values().stream()
 277                 .filter(o -> o.key().equals(new MappingKey(srgId)))
 278                 .findFirst();
 279
 280         if (mappingObject.isEmpty()) {
 281             return new HashMap<>();
 282             // FIXME shouldn't it lead to a return false in setPower() ?
 283         }
 284
 285         String circuitPackName = mappingObject.orElseThrow().getSupportingCircuitPackName();
 286         String portName = mappingObject.orElseThrow().getSupportingPort();
 287         switch (rdmOpenroadmVersion) {
 288             case 1:
 289                 return PowerMgmtVersion121.getSRGRxPowerRange(nodeId, srgId,
 290                         deviceTransactionManager, circuitPackName, portName);
 291             case 2:
 292                 return PowerMgmtVersion221.getSRGRxPowerRange(nodeId, srgId,
 293                         deviceTransactionManager, circuitPackName, portName);
 294             case 3:
 295                 return PowerMgmtVersion710.getSRGRxPowerRange(nodeId, srgId,
 296                         deviceTransactionManager, circuitPackName, portName);
 297             default:
 298                 LOG.error("Unrecognized OpenRoadm version");
 299                 return null;
 300                 //return null here means return false in setPower()
 301                 // TODO Align protections with getTxPowerRangeMap
 302         }
 303     }
 304
 305     private BigDecimal getSpanLossTx(String supportingOts, String destTpId, String nodeId, Integer openroadmVersion) {
 306         try {
 307             switch (openroadmVersion) {
 308                 case 1:
 309                     Optional<Interface> interfaceOpt =
 310                         this.openRoadmInterfaces.getInterface(nodeId, supportingOts);
 311                     if (interfaceOpt.isEmpty()) {
 312                         LOG.error(INTERFACE_NOT_PRESENT, supportingOts, nodeId);
 313                         return null;
 314                     }
 315                     if (interfaceOpt.orElseThrow().augmentation(Interface1.class).getOts()
 316                             .getSpanLossTransmit() == null) {
 317                         LOG.error("interface {} has no spanloss value", interfaceOpt.orElseThrow().getName());
 318                         return null;
 319                     }
 320                     return interfaceOpt.orElseThrow()
 321                             .augmentation(Interface1.class)
 322                             .getOts().getSpanLossTransmit().getValue().decimalValue();
 323                 case 2:
 324                     Optional<org.opendaylight.yang.gen.v1.http.org.openroadm.device.rev181019
 325                             .interfaces.grp.Interface> interfaceOpt1 =
 326                         this.openRoadmInterfaces.getInterface(nodeId, supportingOts);
 327                     if (interfaceOpt1.isEmpty()) {
 328                         LOG.error(INTERFACE_NOT_PRESENT, supportingOts, nodeId);
 329                         return null;
 330                     }
 331                     if (interfaceOpt1.orElseThrow().augmentation(org.opendaylight.yang.gen.v1.http.org
 332                             .openroadm.optical.transport.interfaces.rev181019.Interface1.class).getOts()
 333                                 .getSpanLossTransmit() == null) {
 334                         LOG.error("interface {} has no spanloss value", interfaceOpt1.orElseThrow().getName());
 335                         return null;
 336                     }
 337                     return interfaceOpt1.orElseThrow()
 338                             .augmentation(org.opendaylight.yang.gen.v1.http.org
 339                                 .openroadm.optical.transport.interfaces.rev181019.Interface1.class)
 340                             .getOts().getSpanLossTransmit().getValue().decimalValue();
 341                 // TODO no case 3 ?
 342                 default:
 343                     return null;
 344             }
 345         } catch (OpenRoadmInterfaceException ex) {
 346             LOG.error("Failed to get interface {} from node {}!",
 347                 supportingOts, nodeId, ex);
 348             return null;
 349         } catch (IllegalArgumentException ex) {
 350             LOG.error("Failed to get non existing interface {} from node {}!",
 351                 supportingOts, nodeId);
 352             return null;
 353         }
 354     }
 355
 356     private BigDecimal getXpdrPowerValue(Nodes inputNode, String destTpId, String nodeId, Integer openroadmVersion,
 357             String srgId, String nextNodeId) {
 358
 359         Map<String, Double> txPowerRangeMap = getTxPowerRangeMap(inputNode, destTpId, nodeId, openroadmVersion);
 360         if (txPowerRangeMap == null) {
 361             return null;
 362             // return null here means return false in setPower()
 363         }
 364         BigDecimal powerVal =
 365             openroadmVersion == 3 ? DEFAULT_TPDR_PWR_400G : DEFAULT_TPDR_PWR_100G;
 366         if (txPowerRangeMap.isEmpty()) {
 367             LOG.info("Tranponder range not available setting to default power for nodeId: {}", nodeId);
 368             return powerVal;
 369         }
 370
 371         Map<String, Double> rxSRGPowerRangeMap = getSRGRxPowerRangeMap(srgId, nextNodeId, openroadmVersion);
 372         if (rxSRGPowerRangeMap == null) {
 373             return null;
 374             // return null here means return false in setPower()
 375             // TODO empty txPowerRangeMap + null rxSRGPowerRangeMap is allowed
 376             // => confirm this behavior is OK
 377         }
 378         if (rxSRGPowerRangeMap.isEmpty()) {
 379             LOG.info("SRG Power Range not found, setting the Transponder range to default");
 380             return powerVal;
 381         }
 382
 383         powerVal = new BigDecimal(txPowerRangeMap.get("MaxTx"))
 384             .min(new BigDecimal(rxSRGPowerRangeMap.get("MaxRx")));
 385         LOG.info("Calculated Transponder Power value is {}" , powerVal);
 386         return powerVal;
 387     }
 388
 389
 390     private BigDecimal getRdmPowerValue(BigDecimal spanLossTx, ServicePowerSetupInput input) {
 391         // TODO: These values will be obtained from the specifications
 392         // power-value here refers to the Pin[50GHz]
 393         BigDecimal powerValue;
 394         if (spanLossTx.doubleValue()  >= 23.0) {
 395             powerValue = BigDecimal.valueOf(2.0);
 396         } else if (spanLossTx.doubleValue()  >= 8.0) {
 397             powerValue = BigDecimal.valueOf(- (8.0 - spanLossTx.doubleValue()) / 3.0 - 3.0);
 398         } else if (spanLossTx.doubleValue() >= 6.0) {
 399             powerValue = BigDecimal.valueOf(-3.0);
 400         } else {
 401             powerValue = spanLossTx.subtract(BigDecimal.valueOf(9));
 402         }
 403         BigDecimal mcWidth = new BigDecimal(50);
 404         // we work at constant power spectral density (50 GHz channel width @-20dBm=37.5GHz)
 405         // 87.5 GHz channel width @-20dBm=75GHz
 406         if (input.getMcWidth() != null) {
 407             // Units of MC-width are in GHz, meaning it should be 40/50/87.5GHz
 408             // TODO: Should we validate this units before proceeding?
 409             LOG.debug("Input Grid size is {}", input.getMcWidth().getValue());
 410
 411             // We round-off the mc-width to the nearest grid-value based on the granularity of 12.5 GHz
 412             double nbrMcSlots = Math.ceil(input.getMcWidth().getValue().doubleValue() / MC_WIDTH_GRAN);
 413             LOG.debug("Nearest (ceil) number of slots {}", nbrMcSlots);
 414             mcWidth = new BigDecimal(MC_WIDTH_GRAN * nbrMcSlots);
 415             LOG.debug("Given mc-width={}, Rounded mc-width={}", input.getMcWidth().getValue(), mcWidth);
 416
 417             BigDecimal logVal = mcWidth.divide(new BigDecimal(50));
 418             double pdsVal = 10 * Math.log10(logVal.doubleValue());
 419             // Addition of PSD value will give Pin[87.5 GHz]
 420             powerValue = powerValue.add(new BigDecimal(pdsVal, new MathContext(3, RoundingMode.HALF_EVEN)));
 421         }
 422         // FIXME compliancy with OpenROADM MSA and approximations used -- should be addressed with powermask update
 423         // cf JIRA ticket https://jira.opendaylight.org/browse/TRNSPRTPCE-494
 424         powerValue = powerValue.setScale(2, RoundingMode.CEILING);
 425         // target-output-power yang precision is 2, so we limit here to 2
 426         LOG.info("The power value is P1[{}GHz]={} dB for spanloss {}", mcWidth, powerValue, spanLossTx);
 427         return powerValue;
 428     }
 429
 430     /**
 431      * This methods turns down power a WL by performing
 432      * following steps:
 433      *
 434      * <p>
 435      * 1. Pull interfaces used in service and change
 436      * status to outOfService
 437      *
 438      * <p>
 439      * 2. For each of the ROADM node set target-output-power
 440      * to -60dbm, wait for 20 seconds, turn power mode to off
 441      *
 442      * <p>
 443      * 3. Turn down power in Z to A direction and A to Z
 444      *
 445      * @param input
 446      *            Input parameter from the olm servicePowerTurndown rpc
 447      *
 448      * @return true/false based on status of operation
 449      */
 450     public Boolean powerTurnDown(ServicePowerTurndownInput input) {
 451         LOG.info("Olm-powerTurnDown initiated for input {}", input);
 452         /*Starting with last element into the list Z -> A for
 453           turning down A -> Z */
 454         String spectralSlotName = String.join(GridConstant.SPECTRAL_SLOT_SEPARATOR,
 455                 input.getLowerSpectralSlotNumber().toString(),
 456                 input.getHigherSpectralSlotNumber().toString());
 457         for (int i = input.getNodes().size() - 1; i >= 0; i--) {
 458             String nodeId = input.getNodes().get(i).getNodeId();
 459             String destTpId = input.getNodes().get(i).getDestTp();
 460             String connectionNumber =  String.join(GridConstant.NAME_PARAMETERS_SEPARATOR,
 461                     input.getNodes().get(i).getSrcTp(), destTpId, spectralSlotName);
 462             try {
 463                 if (destTpId.toUpperCase(Locale.getDefault()).contains("DEG")) {
 464                     if (!crossConnect.setPowerLevel(nodeId, OpticalControlMode.Power.getName(),
 465                             Decimal64.valueOf("-60"), connectionNumber)) {
 466                         LOG.warn("Power down failed for Roadm-connection: {}", connectionNumber);
 467                         return false;
 468                     }
 469                     Thread.sleep(timer2);
 470                     if (!crossConnect.setPowerLevel(nodeId, OpticalControlMode.Off.getName(), null, connectionNumber)) {
 471                         LOG.warn("Setting power-control mode off failed for Roadm-connection: {}", connectionNumber);
 472                         return false;
 473                     }
 474                 } else if (destTpId.toUpperCase(Locale.getDefault()).contains("SRG")) {
 475                     if (!crossConnect.setPowerLevel(nodeId, OpticalControlMode.Off.getName(), null, connectionNumber)) {
 476                         LOG.warn("Setting power-control mode off failed for Roadm-connection: {}", connectionNumber);
 477                         // FIXME a return false would allow sync with DEG case but makes current Unit tests fail
 478                     }
 479                 }
 480             } catch (InterruptedException e) {
 481                 // TODO Auto-generated catch block
 482                 LOG.error("Olm-powerTurnDown wait failed: ",e);
 483                 return false;
 484             }
 485         }
 486         return true;
 487     }
 488
 489     /**
 490      * This method retrieves transponder OCH interface and
 491      * sets power.
 492      *
 493      * @param nodeId
 494      *            Unique identifier for the mounted netconf- node
 495      * @param interfaceName
 496      *            OCH interface name carrying WL
 497      * @param txPower
 498      *            Calculated transmit power
 499      * @param openroadmVersion
 500      *            Version of openRoadm device software
 501      * @return true/false based on status of operation
 502      */
 503     private boolean callSetTransponderPower(String nodeId, String interfaceName, BigDecimal txPower,
 504                                             OpenroadmNodeVersion openroadmVersion) {
 505
 506         boolean powerSetupResult = false;
 507         try {
 508             switch (openroadmVersion.getIntValue()) {
 509                 case 1:
 510                     Optional<Interface> interfaceOptional121 =
 511                         openRoadmInterfaces.getInterface(nodeId, interfaceName);
 512                     if (interfaceOptional121.isEmpty()) {
 513                         LOG.error(INTERFACE_NOT_PRESENT, interfaceName, nodeId);
 514                         return false;
 515                     }
 516                     powerSetupResult = PowerMgmtVersion121.setTransponderPower(nodeId, interfaceName,
 517                             txPower, deviceTransactionManager, interfaceOptional121.orElseThrow());
 518                     break;
 519                 case 2:
 520                     Optional<org.opendaylight.yang.gen.v1.http.org.openroadm.device.rev181019.interfaces.grp
 521                             .Interface> interfaceOptional221 =
 522                         openRoadmInterfaces.getInterface(nodeId, interfaceName);
 523                     if (interfaceOptional221.isEmpty()) {
 524                         LOG.error(INTERFACE_NOT_PRESENT, interfaceName, nodeId);
 525                         return false;
 526                     }
 527                     powerSetupResult = PowerMgmtVersion221.setTransponderPower(nodeId, interfaceName,
 528                             txPower, deviceTransactionManager, interfaceOptional221.orElseThrow());
 529                     break;
 530                 case 3:
 531                     Optional<org.opendaylight.yang.gen.v1.http.org.openroadm.device.rev200529.interfaces.grp
 532                             .Interface> interfaceOptional710 =
 533                         openRoadmInterfaces.getInterface(nodeId, interfaceName);
 534                     if (interfaceOptional710.isEmpty()) {
 535                         LOG.error(INTERFACE_NOT_PRESENT, interfaceName, nodeId);
 536                         return false;
 537                     }
 538                     // Check the support-interface-cap type
 539                     // Get the logical connection point name from the interface-name, by splitting it by "-"
 540                     // and discard the last part. For instance XPDR1-NETWORK1-xxx:xxx
 541                     String logicalConnectionPoint =
 542                         Arrays.stream(interfaceName.split("-", 3)).limit(2).collect(Collectors.joining("-"));
 543                     LOG.info("Logical connection point {} for Interface {}", logicalConnectionPoint, interfaceName);
 544                     Mapping portMap = portMapping.getMapping(nodeId, logicalConnectionPoint);
 545                     if (portMap == null) {
 546                         throw new OpenRoadmInterfaceException(
 547                                 OpenRoadmInterfaceException.mapping_msg_err(nodeId, logicalConnectionPoint));
 548                     }
 549                     powerSetupResult = PowerMgmtVersion710.setTransponderPower(nodeId, interfaceName,
 550                         txPower, deviceTransactionManager, interfaceOptional710.orElseThrow(), portMap);
 551                     break;
 552                 default:
 553                     LOG.error("Unrecognized OpenRoadm version");
 554                     return false;
 555             }
 556         } catch (OpenRoadmInterfaceException ex) {
 557             LOG.error("Failed to get interface {} from node {}!", interfaceName, nodeId, ex);
 558             return false;
 559         }
 560         if (!powerSetupResult) {
 561             LOG.debug("Transponder power setup failed for nodeId {} on interface {}",
 562                     nodeId, interfaceName);
 563             return false;
 564         }
 565         LOG.debug("Transponder power set up completed successfully for nodeId {} and interface {}",
 566                 nodeId,interfaceName);
 567         return true;
 568     }
 569
 570 }