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.util.HashMap;
  13 import java.util.Map;
  14 import java.util.Optional;
  15
  16 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  17 import org.opendaylight.transportpce.common.crossconnect.CrossConnect;
  18 import org.opendaylight.transportpce.common.device.DeviceTransactionManager;
  19 import org.opendaylight.transportpce.common.openroadminterfaces.OpenRoadmInterfaceException;
  20 import org.opendaylight.transportpce.common.openroadminterfaces.OpenRoadmInterfaces;
  21 import org.opendaylight.transportpce.olm.util.OlmUtils;
  22 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.olm.rev170418.ServicePowerSetupInput;
  23 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.olm.rev170418.ServicePowerTurndownInput;
  24 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.portmapping.rev170228.network.Nodes;
  25 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.portmapping.rev170228.network.nodes.Mapping;
  26 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.portmapping.rev170228.network.nodes.MappingKey;
  27 import org.opendaylight.yang.gen.v1.http.org.openroadm.common.types.rev161014.NodeTypes;
  28 import org.opendaylight.yang.gen.v1.http.org.openroadm.common.types.rev161014.OpticalControlMode;
  29 import org.opendaylight.yang.gen.v1.http.org.openroadm.device.rev170206.interfaces.grp.Interface;
  30 import org.opendaylight.yang.gen.v1.http.org.openroadm.optical.transport.interfaces.rev161014.Interface1;
  31 import org.slf4j.Logger;
  32 import org.slf4j.LoggerFactory;
  33
  34 public class PowerMgmtImpl implements PowerMgmt {
  35     private static final Logger LOG = LoggerFactory.getLogger(PowerMgmtImpl.class);
  36     private final DataBroker db;
  37     private final OpenRoadmInterfaces openRoadmInterfaces;
  38     private final CrossConnect crossConnect;
  39     private final DeviceTransactionManager deviceTransactionManager;
  40
  41     public PowerMgmtImpl(DataBroker db, OpenRoadmInterfaces openRoadmInterfaces,
  42                          CrossConnect crossConnect, DeviceTransactionManager deviceTransactionManager) {
  43         this.db = db;
  44         this.openRoadmInterfaces = openRoadmInterfaces;
  45         this.crossConnect = crossConnect;
  46         this.deviceTransactionManager = deviceTransactionManager;
  47     }
  48
  49     /**
  50      * This methods measures power requirement for turning up a WL
  51      * from the Spanloss at OTS transmit direction and update
  52      * roadm-connection target-output-power.
  53      *
  54      * @param input
  55      *            Input parameter from the olm servicePowerSetup rpc
  56      *
  57      * @return true/false based on status of operation.
  58      */
  59     //TODO Need to Case Optical Power mode/NodeType in case of 2.2 devices
  60     public Boolean setPower(ServicePowerSetupInput input) {
  61         LOG.info("Olm-setPower initiated");
  62         for (int i = 0; i < input.getNodes().size(); i++) {
  63             String nodeId = input.getNodes().get(i).getNodeId();
  64             String srcTpId =  input.getNodes().get(i).getSrcTp();
  65             String destTpId = input.getNodes().get(i).getDestTp();
  66             Optional<Nodes> inputNodeOptional = OlmUtils.getNode(nodeId, this.db);
  67             // If node type is transponder
  68             if (inputNodeOptional.isPresent()
  69                     && (inputNodeOptional.get().getNodeType() != null)
  70                     && inputNodeOptional.get().getNodeType().equals(NodeTypes.Xpdr)) {
  71
  72                 Nodes inputNode = inputNodeOptional.get();
  73                 Nodes.OpenroadmVersion openroadmVersion = inputNode.getOpenroadmVersion();
  74                 LOG.info("Getting data from input node {}", inputNode.getNodeType());
  75                 LOG.info("Getting mapping data for node is {}", inputNode.getMapping().stream().filter(o -> o.key()
  76                         .equals(new MappingKey(destTpId))).findFirst().toString());
  77                 // If its A-End transponder
  78                 if (destTpId.toLowerCase().contains("network")) {
  79                     java.util.Optional<Mapping> mappingObject = inputNode.getMapping().stream().filter(o -> o.key()
  80                             .equals(new MappingKey(destTpId))).findFirst();
  81                     if (mappingObject.isPresent()) {
  82                         String circuitPackName = mappingObject.get().getSupportingCircuitPackName();
  83                         String portName = mappingObject.get().getSupportingPort();
  84                         Map<String, Double> txPowerRangeMap = new HashMap<>();
  85                         if (openroadmVersion.equals(Nodes.OpenroadmVersion._121)) {
  86                             txPowerRangeMap = PowerMgmtVersion121.getXponderPowerRange(circuitPackName, portName,
  87                                     nodeId, deviceTransactionManager);
  88                         } else if (openroadmVersion.equals(Nodes.OpenroadmVersion._221)) {
  89                             txPowerRangeMap = PowerMgmtVersion221.getXponderPowerRange(circuitPackName, portName,
  90                                     nodeId, deviceTransactionManager);
  91                         }
  92                         if (!txPowerRangeMap.isEmpty()) {
  93                             LOG.info("Transponder range exists for nodeId: {}", nodeId);
  94                             String srgId =  input.getNodes().get(i + 1).getSrcTp();
  95                             String nextNodeId = input.getNodes().get(i + 1).getNodeId();
  96                             Map<String, Double> rxSRGPowerRangeMap = new HashMap<>();
  97                             Optional<Mapping> mappingObjectSRG = OlmUtils.getNode(nextNodeId, db)
  98                                     .flatMap(node -> node.getMapping()
  99                                             .stream().filter(o -> o.key()
 100                                                     .equals(new MappingKey(srgId))).findFirst());
 101                             if (mappingObjectSRG.isPresent()) {
 102
 103                                 if (openroadmVersion.equals(Nodes.OpenroadmVersion._121)) {
 104                                     rxSRGPowerRangeMap = PowerMgmtVersion121.getSRGRxPowerRange(nextNodeId, srgId,
 105                                             deviceTransactionManager, mappingObjectSRG.get()
 106                                             .getSupportingCircuitPackName(),
 107                                             mappingObjectSRG.get().getSupportingPort());
 108                                 } else if (inputNode.getOpenroadmVersion().equals(Nodes.OpenroadmVersion._221)) {
 109                                     rxSRGPowerRangeMap = PowerMgmtVersion221.getSRGRxPowerRange(nextNodeId, srgId,
 110                                             deviceTransactionManager, mappingObjectSRG.get()
 111                                             .getSupportingCircuitPackName(),
 112                                             mappingObjectSRG.get().getSupportingPort());
 113                                 }
 114                             }
 115                             double powerValue = 0;
 116                             if (!rxSRGPowerRangeMap.isEmpty()) {
 117                                 LOG.info("SRG Rx Power range exists for nodeId: {}", nodeId);
 118                                 if (txPowerRangeMap.get("MaxTx")
 119                                         <= rxSRGPowerRangeMap.get("MaxRx")) {
 120                                     powerValue = txPowerRangeMap.get("MaxTx");
 121                                 } else if (rxSRGPowerRangeMap.get("MaxRx")
 122                                         < txPowerRangeMap.get("MaxTx")) {
 123                                     powerValue = rxSRGPowerRangeMap.get("MaxRx");
 124                                 }
 125                                 LOG.info("Calculated Transponder Power value is {}" , powerValue);
 126                                 String interfaceName = destTpId + "-" + input.getWaveNumber();
 127                                 if (callSetTransponderPower(nodeId, interfaceName, new BigDecimal(powerValue),
 128                                         openroadmVersion)) {
 129                                     LOG.info("Transponder OCH connection: {} power updated ", interfaceName);
 130                                     try {
 131                                         LOG.info("Now going in sleep mode");
 132                                         Thread.sleep(OlmUtils.OLM_TIMER_1);
 133                                     } catch (InterruptedException e) {
 134                                         LOG.info("Transponder warmup failed for OCH connection: {}", interfaceName, e);
 135                                     }
 136                                 } else {
 137                                     LOG.info("Transponder OCH connection: {} power update failed ", interfaceName);
 138                                 }
 139                             } else {
 140                                 LOG.info("SRG Power Range not found");
 141                             }
 142                         } else {
 143                             LOG.info("Tranponder range not available setting to default power for nodeId: {}", nodeId);
 144                             String interfaceName = destTpId + "-" + input.getWaveNumber();
 145                             if (callSetTransponderPower(nodeId, interfaceName, new BigDecimal(-5),openroadmVersion)) {
 146                                 LOG.info("Transponder OCH connection: {} power updated ", interfaceName);
 147                                 try {
 148                                     Thread.sleep(OlmUtils.OLM_TIMER_1);
 149                                 } catch (InterruptedException e) {
 150                                     // TODO Auto-generated catch block
 151                                     LOG.info("Transponder warmup failed for OCH connection: {}", interfaceName, e);
 152                                 }
 153                             } else {
 154                                 LOG.info("Transponder OCH connection: {} power update failed ", interfaceName);
 155                             }
 156                         }
 157                     } else {
 158                         LOG.info("Mapping object not found for nodeId: {}", nodeId);
 159                         return false;
 160                     }
 161                 } else {
 162                     LOG.info("{} is a drop node. Net power settings needed", nodeId);
 163                 }
 164             } else if (inputNodeOptional.isPresent()
 165                     && (inputNodeOptional.get().getNodeType() != null)
 166                     && inputNodeOptional.get().getNodeType().equals(NodeTypes.Rdm)) {
 167                 // If Degree is transmitting end then set power
 168                 Nodes inputNode = inputNodeOptional.get();
 169                 Nodes.OpenroadmVersion openroadmVersion = inputNode.getOpenroadmVersion();
 170                 LOG.info("This is a roadm {} device", openroadmVersion.getName());
 171                 String connectionNumber = srcTpId + "-" + destTpId + "-" + input.getWaveNumber();
 172                 LOG.info("Connection number is {}", connectionNumber);
 173                 if (destTpId.toLowerCase().contains("deg")) {
 174                     Optional<Mapping> mappingObjectOptional = inputNode.getMapping().stream().filter(o -> o.key()
 175                             .equals(new MappingKey(destTpId))).findFirst();
 176                     if (mappingObjectOptional.isPresent()) {
 177                         BigDecimal spanLossTx = null;
 178                         LOG.info("Dest point is Degree {}", mappingObjectOptional.get());
 179                         Mapping portMapping = mappingObjectOptional.get();
 180                         // debut reprise
 181                         if (openroadmVersion.equals(Nodes.OpenroadmVersion._121)) {
 182                             Optional<Interface> interfaceOpt;
 183                             try {
 184                                 interfaceOpt =
 185                                         this.openRoadmInterfaces.getInterface(nodeId, portMapping.getSupportingOts());
 186                             } catch (OpenRoadmInterfaceException ex) {
 187                                 LOG.error("Failed to get interface {} from node {}!", portMapping.getSupportingOts(),
 188                                         nodeId, ex);
 189                                 return false;
 190                             } catch (IllegalArgumentException ex) {
 191                                 LOG.error("Failed to get non existing interface {} from node {}!",
 192                                     portMapping.getSupportingOts(), nodeId);
 193                                 return false;
 194                             }
 195                             if (interfaceOpt.isPresent()) {
 196                                 if (interfaceOpt.get().augmentation(Interface1.class).getOts()
 197                                     .getSpanLossTransmit() != null) {
 198                                     spanLossTx = interfaceOpt.get().augmentation(Interface1.class).getOts()
 199                                             .getSpanLossTransmit().getValue();
 200                                     LOG.info("Spanloss TX is {}", spanLossTx);
 201                                 } else {
 202                                     LOG.error("interface {} has no spanloss value", interfaceOpt.get().getName());
 203                                 }
 204                             } else {
 205                                 LOG.error("Interface {} on node {} is not present!", portMapping.getSupportingOts(),
 206                                     nodeId);
 207                                 return false;
 208                             }
 209                         } else if (openroadmVersion.equals(Nodes.OpenroadmVersion._221)) {
 210                             Optional<org.opendaylight.yang.gen.v1.http.org.openroadm.device.rev181019.interfaces.grp
 211                                 .Interface> interfaceOpt;
 212                             try {
 213                                 interfaceOpt =
 214                                         this.openRoadmInterfaces.getInterface(nodeId, portMapping.getSupportingOts());
 215                             } catch (OpenRoadmInterfaceException ex) {
 216                                 LOG.error("Failed to get interface {} from node {}!", portMapping.getSupportingOts(),
 217                                         nodeId, ex);
 218                                 return false;
 219                             } catch (IllegalArgumentException ex) {
 220                                 LOG.error("Failed to get non existing interface {} from node {}!",
 221                                     portMapping.getSupportingOts(), nodeId);
 222                                 return false;
 223                             }
 224                             if (interfaceOpt.isPresent()) {
 225                                 if (interfaceOpt.get().augmentation(org.opendaylight.yang.gen.v1.http.org
 226                                         .openroadm.optical.transport.interfaces.rev181019.Interface1.class).getOts()
 227                                         .getSpanLossTransmit() != null) {
 228                                     spanLossTx = interfaceOpt.get().augmentation(org.opendaylight.yang.gen.v1.http.org
 229                                             .openroadm.optical.transport.interfaces.rev181019.Interface1.class).getOts()
 230                                             .getSpanLossTransmit().getValue();
 231                                     LOG.info("Spanloss TX is {}", spanLossTx);
 232                                 } else {
 233                                     LOG.error("interface {} has no spanloss value", interfaceOpt.get().getName());
 234                                 }
 235                             } else {
 236                                 LOG.error("Interface {} on node {} is not present!", portMapping.getSupportingOts(),
 237                                     nodeId);
 238                                 return false;
 239                             }
 240                         }
 241
 242                         BigDecimal powerValue =  null;
 243                         if (spanLossTx != null &&  spanLossTx.intValue() <= 28 && spanLossTx.intValue() > 0) {
 244                             powerValue = BigDecimal.valueOf(Math.min(spanLossTx.doubleValue() - 9, 2));
 245                             LOG.info("Power Value is {}", powerValue);
 246                         } else if (spanLossTx.intValue() > 28) {
 247                             LOG.error(
 248                                 "Power Value is null - spanLossTx > 28dB not compliant with openROADM specifications");
 249                             return false;
 250                         } else if (spanLossTx.intValue() <= 0) {
 251                             LOG.error(
 252                                 "Power Value is null - spanLossTx <= 0 dB not compliant with openROADM specifications");
 253                             return false;
 254                         } else {
 255                             LOG.error("Power Value is null - spanLossTx is null");
 256                             return false;
 257                         }
 258                         try {
 259                             Boolean setXconnPowerSuccessVal = crossConnect.setPowerLevel(nodeId,
 260                                     OpticalControlMode.Power, powerValue, connectionNumber);
 261                             LOG.info("Success Value is {}", setXconnPowerSuccessVal);
 262                             if (setXconnPowerSuccessVal) {
 263                                 LOG.info("Roadm-connection: {} updated ");
 264                                 //The value recommended by the white paper is 20 seconds and not 60.
 265                                 //TODO - commented code because one vendor is not supporting
 266                                 //GainLoss with target-output-power
 267                                 Thread.sleep(OlmUtils.OLM_TIMER_1);
 268                                 crossConnect.setPowerLevel(nodeId, OpticalControlMode.GainLoss, powerValue,
 269                                         connectionNumber);
 270                             } else {
 271                                 LOG.info("Set Power failed for Roadm-connection: {} on Node: {}", connectionNumber,
 272                                         nodeId);
 273                                 return false;
 274                             }
 275                         } catch (InterruptedException e) {
 276                             LOG.error("Olm-setPower wait failed {}", e);
 277                             return false;
 278                         }
 279                     }
 280                     // If Drop node leave node is power mode
 281                 } else if (destTpId.toLowerCase().contains("srg")) {
 282                     LOG.info("Setting power at drop node");
 283                     crossConnect.setPowerLevel(nodeId, OpticalControlMode.Power, null, connectionNumber);
 284                 }
 285             }
 286         }
 287         return true;
 288     }
 289
 290     /**
 291      * This methods turns down power a WL by performing
 292      * following steps:
 293      *
 294      * <p>
 295      * 1. Pull interfaces used in service and change
 296      * status to outOfService
 297      *
 298      * <p>
 299      * 2. For each of the ROADM node set target-output-power
 300      * to -60dbm, wait for 20 seconds, turn power mode to off
 301      *
 302      * <p>
 303      * 3. Turn down power in Z to A direction and A to Z
 304      *
 305      * @param input
 306      *            Input parameter from the olm servicePowerTurndown rpc
 307      *
 308      * @return true/false based on status of operation
 309      */
 310     public Boolean powerTurnDown(ServicePowerTurndownInput input) {
 311         LOG.info("Olm-powerTurnDown initiated");
 312         /*Starting with last element into the list Z -> A for
 313           turning down A -> Z */
 314         for (int i = input.getNodes().size() - 1; i >= 0; i--) {
 315             String nodeId = input.getNodes().get(i).getNodeId();
 316             String srcTpId =  input.getNodes().get(i).getSrcTp();
 317             String destTpId = input.getNodes().get(i).getDestTp();
 318             Long wlNumber = input.getWaveNumber();
 319             String connectionNumber =  srcTpId + "-" + destTpId + "-" + wlNumber;
 320             if (destTpId.toLowerCase().contains("srg")) {
 321                 crossConnect.setPowerLevel(nodeId, OpticalControlMode.Off, null, connectionNumber);
 322             } else if (destTpId.toLowerCase().contains("deg")) {
 323                 try {
 324                     if (!crossConnect.setPowerLevel(nodeId, OpticalControlMode.Power , new BigDecimal(-60),
 325                             connectionNumber)) {
 326                         LOG.warn("Power down failed for Roadm-connection: {}", connectionNumber);
 327                         return false;
 328                     }
 329                     Thread.sleep(OlmUtils.OLM_TIMER_2);
 330                     if (! crossConnect.setPowerLevel(nodeId, OpticalControlMode.Off , null, connectionNumber)) {
 331                         LOG.warn("Setting power-control mode off failed for Roadm-connection: {}", connectionNumber);
 332                         return false;
 333                     }
 334                 } catch (InterruptedException e) {
 335                     // TODO Auto-generated catch block
 336                     LOG.error("Olm-powerTurnDown wait failed {}",e);
 337                     return false;
 338                 }
 339             }
 340         }
 341         return true;
 342     }
 343
 344     /**
 345      * This method does an edit-config on roadm connection subtree for a given
 346      * connection number in order to set power level for use by the optical
 347      * power control.
 348      *
 349      * @param inputNode
 350      *            PortMapping network node.
 351      * @param destTpId
 352      *            Destination termination point.
 353      * @param srgId
 354      *            SRG Id to which network port is connected to.
 355      * @param nextNodeId
 356      *            Next roadm connect.
 357      * @param waveLength
 358      *            WaveLength number part of request
 359      * @return true/false based on status of operation.
 360      */
 361     private boolean setTransponderPowerTx(Nodes inputNode, String destTpId, String srgId,
 362                                           String nextNodeId, Long waveLength) {
 363         Map<String, Double> txPowerRangeMap = null;
 364         Map<String, Double> rxSRGPowerRangeMap = null;
 365         Nodes.OpenroadmVersion openroadmVersion;
 366         Optional<Mapping> mappingObject = inputNode.getMapping().stream().filter(o -> o.key()
 367                 .equals(new MappingKey(destTpId))).findFirst();
 368         String nodeId = inputNode.getNodeId();
 369         if (mappingObject.isPresent()) {
 370             String circuitPackName = mappingObject.get().getSupportingCircuitPackName();
 371             String portName = mappingObject.get().getSupportingPort();
 372             openroadmVersion = inputNode.getOpenroadmVersion();
 373             if (inputNode.getOpenroadmVersion().equals(Nodes.OpenroadmVersion._121)) {
 374                 txPowerRangeMap = PowerMgmtVersion121.getXponderPowerRange(circuitPackName, portName,
 375                         nodeId, deviceTransactionManager);
 376             } else if (inputNode.getOpenroadmVersion().equals(Nodes.OpenroadmVersion._221)) {
 377                 txPowerRangeMap = PowerMgmtVersion221.getXponderPowerRange(circuitPackName, portName,
 378                         nodeId, deviceTransactionManager);
 379             }
 380             LOG.info("Transponder power range is fine");
 381             if (!txPowerRangeMap.isEmpty()) {
 382                 LOG.info("Transponder power range is not null {}, {}", nextNodeId,srgId);
 383                 //Transponder range is not empty then check SRG Range
 384
 385                 Optional<Mapping> mappingObjectSRG = OlmUtils.getNode(nextNodeId, db)
 386                         .flatMap(node -> node.getMapping()
 387                                 .stream().filter(o -> o.key()
 388                                         .equals(new MappingKey(srgId))).findFirst());
 389                 if (mappingObjectSRG.isPresent()) {
 390                     LOG.info("Transponder range exists for nodeId: {}", nodeId);
 391                     if (inputNode.getOpenroadmVersion().equals(Nodes.OpenroadmVersion._121)) {
 392                         rxSRGPowerRangeMap = PowerMgmtVersion121.getSRGRxPowerRange(nextNodeId, srgId,
 393                                 deviceTransactionManager, mappingObjectSRG.get().getSupportingCircuitPackName(),
 394                                 mappingObjectSRG.get().getSupportingPort());
 395                     } else if (inputNode.getOpenroadmVersion().equals(Nodes.OpenroadmVersion._221)) {
 396                         rxSRGPowerRangeMap = PowerMgmtVersion221.getSRGRxPowerRange(nextNodeId, srgId,
 397                                 deviceTransactionManager, mappingObjectSRG.get().getSupportingCircuitPackName(),
 398                                 mappingObjectSRG.get().getSupportingPort());
 399                     }
 400                 }
 401                 double powerValue = 0;
 402                 if (!rxSRGPowerRangeMap.isEmpty()) {
 403                     LOG.debug("SRG Rx Power range exists for nodeId: {}", nodeId);
 404                     if (txPowerRangeMap.get("MaxTx")
 405                             <= rxSRGPowerRangeMap.get("MaxRx")) {
 406                         powerValue = txPowerRangeMap.get("MaxTx");
 407                     } else if (rxSRGPowerRangeMap.get("MaxRx")
 408                             < txPowerRangeMap.get("MaxTx")) {
 409                         powerValue = rxSRGPowerRangeMap.get("MaxRx");
 410                     }
 411                     LOG.debug("Calculated Transponder Power value is {}" , powerValue);
 412                     String interfaceName = destTpId + "-" + waveLength;
 413                     if (callSetTransponderPower(nodeId,interfaceName,new BigDecimal(powerValue),
 414                             openroadmVersion)) {
 415                         LOG.info("Transponder OCH connection: {} power updated ", interfaceName);
 416                         try {
 417                             LOG.info("Now going in sleep mode");
 418                             Thread.sleep(90000);
 419                             return true;
 420                         } catch (InterruptedException e) {
 421                             LOG.info("Transponder warmup failed for OCH connection: {}", interfaceName, e);
 422                             return false;
 423                         }
 424                     } else {
 425                         LOG.info("Transponder OCH connection: {} power update failed ", interfaceName);
 426                         return false;
 427                     }
 428                 } else {
 429                     LOG.info("Transponder Range exists but SRG Power Range not found");
 430                     return false;
 431                 }
 432             } else {
 433                 LOG.info("Tranponder range not available seting to default power for nodeId: {}", nodeId);
 434                 String interfaceName = destTpId + "-" + waveLength;
 435                 if (callSetTransponderPower(nodeId,interfaceName,new BigDecimal(-5),
 436                         openroadmVersion)) {
 437                     LOG.info("Transponder OCH connection: {} power updated ", interfaceName);
 438                     try {
 439                         Thread.sleep(OlmUtils.OLM_TIMER_1);
 440                         return true;
 441                     } catch (InterruptedException e) {
 442                         // TODO Auto-generated catch block
 443                         LOG.info("Transponder warmup failed for OCH connection: {}", interfaceName, e);
 444                         return false;
 445                     }
 446                 } else {
 447                     LOG.info("Transponder OCH connection: {} power update failed ", interfaceName);
 448                     return false;
 449                 }
 450             }
 451         } else {
 452             LOG.info("Mapping object not found for nodeId: {}", nodeId);
 453             return false;
 454         }
 455     }
 456
 457     /**
 458      * This method retrieves transponder OCH interface and
 459      * sets power.
 460      *
 461      * @param nodeId
 462      *            Unique identifier for the mounted netconf- node
 463      * @param interfaceName
 464      *            OCH interface name carrying WL
 465      * @param txPower
 466      *            Calculated transmit power
 467      * @param openroadmVersion
 468      *            Version of openRoadm device software
 469      * @return true/false based on status of operation
 470      */
 471     private boolean callSetTransponderPower(String nodeId, String interfaceName, BigDecimal txPower,
 472                                             Nodes.OpenroadmVersion openroadmVersion) {
 473         boolean powerSetupResult = false;
 474         try {
 475             if (openroadmVersion.equals(Nodes.OpenroadmVersion._121)) {
 476                 Optional<Interface> interfaceOptional;
 477                 interfaceOptional = openRoadmInterfaces.getInterface(nodeId, interfaceName);
 478                 if (interfaceOptional.isPresent()) {
 479                     powerSetupResult = PowerMgmtVersion121.setTransponderPower(nodeId, interfaceName,
 480                             txPower, deviceTransactionManager, interfaceOptional.get());
 481                 } else {
 482                     LOG.error("Interface {} on node {} is not present!", interfaceName, nodeId);
 483                     return false;
 484                 }
 485             } else if (openroadmVersion.equals(Nodes.OpenroadmVersion._221)) {
 486                 Optional<org.opendaylight.yang.gen.v1.http.org.openroadm.device.rev181019.interfaces.grp
 487                         .Interface> interfaceOptional;
 488                 interfaceOptional = openRoadmInterfaces.getInterface(nodeId, interfaceName);
 489                 if (interfaceOptional.isPresent()) {
 490                     powerSetupResult = PowerMgmtVersion221.setTransponderPower(nodeId, interfaceName,
 491                             txPower, deviceTransactionManager, interfaceOptional.get());
 492                 } else {
 493                     LOG.error("Interface {} on node {} is not present!", interfaceName, nodeId);
 494                     return false;
 495                 }
 496             }
 497         } catch (OpenRoadmInterfaceException ex) {
 498             LOG.error("Failed to get interface {} from node {}!", interfaceName, nodeId, ex);
 499             return false;
 500         }
 501         if (powerSetupResult) {
 502             LOG.debug("Transponder power set up completed successfully for nodeId {} and interface {}",
 503                     nodeId,interfaceName);
 504             return powerSetupResult;
 505         } else {
 506             LOG.debug("Transponder power setup failed for nodeId {} on interface {}",
 507                     nodeId, interfaceName);
 508             return powerSetupResult;
 509         }
 510     }
 511
 512     /**
 513      * This method retrieves transponder OCH interface and
 514      * sets power.
 515      *
 516      * @param nodeId
 517      *            Unique identifier for the mounted netconf- node
 518      * @param interfaceName
 519      *            OCH interface name carrying WL
 520      * @param openroadmVersion
 521      *            Version of openRoadm device software
 522      * @param wavelength
 523      *            Wavelength Number    *
 524      * @return true/false based on status of operation
 525      */
 526     private boolean callSetRoadmPowerTx(String nodeId, String interfaceName,
 527                                         Nodes.OpenroadmVersion openroadmVersion,
 528                                         Long wavelength, String connectionNumber) {
 529         if (interfaceName == null) {
 530             crossConnect.setPowerLevel(nodeId,
 531                     OpticalControlMode.Power , null,connectionNumber);
 532             return true;
 533         }
 534         try {
 535             if (openroadmVersion.equals(Nodes.OpenroadmVersion._121)) {
 536                 Optional<Interface> interfaceOpt;
 537                 interfaceOpt = openRoadmInterfaces.getInterface(nodeId, interfaceName);
 538                 if (interfaceOpt.isPresent()) {
 539                     BigDecimal spanLossTx = interfaceOpt.get().augmentation(Interface1.class).getOts()
 540                             .getSpanLossTransmit().getValue();
 541                     LOG.debug("Spanloss TX is {}", spanLossTx);
 542                     BigDecimal powerValue = BigDecimal.valueOf(Math.min(spanLossTx.doubleValue() - 9, 2));
 543                     LOG.debug("Power Value is {}", powerValue);
 544                     Boolean setXconnPowerSuccessVal = crossConnect.setPowerLevel(nodeId,
 545                             OpticalControlMode.Power, powerValue,connectionNumber);
 546                     if (setXconnPowerSuccessVal) {
 547                         LOG.info("Roadm-connection: {} updated ");
 548                         //TODO - commented code because one vendor is not supporting
 549                         //GainLoss with target-output-power
 550                         Thread.sleep(OlmUtils.OLM_TIMER_2);
 551                         crossConnect.setPowerLevel(nodeId,
 552                                 OpticalControlMode.GainLoss, powerValue,connectionNumber);
 553                         return true;
 554                     } else {
 555                         LOG.info("Set Power failed for Roadm-connection: {} on Node: {}", connectionNumber, nodeId);
 556                         return false;
 557                     }
 558                 } else {
 559                     LOG.error("Interface {} on node {} is not present!", interfaceName, nodeId);
 560                     return false;
 561                 }
 562             } else if (openroadmVersion.equals(Nodes.OpenroadmVersion._221)) {
 563                 Optional<org.opendaylight.yang.gen.v1.http.org.openroadm.device.rev181019.interfaces
 564                         .grp.Interface> interfaceOpt;
 565                 interfaceOpt = openRoadmInterfaces.getInterface(nodeId, interfaceName);
 566                 if (interfaceOpt.isPresent()) {
 567                     BigDecimal spanLossTx = interfaceOpt.get().augmentation(org.opendaylight.yang.gen.v1.http
 568                             .org.openroadm.optical.transport.interfaces.rev181019.Interface1.class).getOts()
 569                             .getSpanLossTransmit().getValue();
 570                     LOG.debug("Spanloss TX is {}", spanLossTx);
 571                     BigDecimal powerValue = BigDecimal.valueOf(Math.min(spanLossTx.doubleValue() - 9, 2));
 572                     LOG.debug("Power Value is {}", powerValue);
 573                     Boolean setXconnPowerSuccessVal = crossConnect.setPowerLevel(nodeId,
 574                             OpticalControlMode.Power, powerValue,connectionNumber);
 575                     if (setXconnPowerSuccessVal) {
 576                         LOG.info("Roadm-connection: {} updated ");
 577                         //TODO - commented code because one vendor is not supporting
 578                         //GainLoss with target-output-power
 579                         Thread.sleep(OlmUtils.OLM_TIMER_2);
 580                         crossConnect.setPowerLevel(nodeId,
 581                                 OpticalControlMode.GainLoss, powerValue,connectionNumber);
 582                         return true;
 583                     } else {
 584                         LOG.info("Set Power failed for Roadm-connection: {} on Node: {}", connectionNumber, nodeId);
 585                         return false;
 586                     }
 587                 }
 588             }
 589         } catch (OpenRoadmInterfaceException | InterruptedException ex) {
 590             LOG.error("Error during power setup on Roadm nodeId: {} for connection: {}", nodeId, connectionNumber, ex);
 591             return false;
 592         }
 593         return false;
 594     }
 595
 596 }