src/charging-station/ocpp/1.6/OCPP16ResponseService.ts

   1 // Partial Copyright Jerome Benoit. 2021. All Rights Reserved.
   2
   3 import fs from 'fs';
   4 import path from 'path';
   5 import { fileURLToPath } from 'url';
   6
   7 import type { JSONSchemaType } from 'ajv';
   8
   9 import OCPPError from '../../../exception/OCPPError';
  10 import type { JsonObject, JsonType } from '../../../types/JsonType';
  11 import { OCPP16ChargePointErrorCode } from '../../../types/ocpp/1.6/ChargePointErrorCode';
  12 import { OCPP16ChargePointStatus } from '../../../types/ocpp/1.6/ChargePointStatus';
  13 import { OCPP16StandardParametersKey } from '../../../types/ocpp/1.6/Configuration';
  14 import type {
  15   OCPP16MeterValuesRequest,
  16   OCPP16MeterValuesResponse,
  17 } from '../../../types/ocpp/1.6/MeterValues';
  18 import {
  19   OCPP16BootNotificationRequest,
  20   OCPP16RequestCommand,
  21   OCPP16StatusNotificationRequest,
  22 } from '../../../types/ocpp/1.6/Requests';
  23 import {
  24   DiagnosticsStatusNotificationResponse,
  25   OCPP16BootNotificationResponse,
  26   OCPP16HeartbeatResponse,
  27   OCPP16RegistrationStatus,
  28   OCPP16StatusNotificationResponse,
  29 } from '../../../types/ocpp/1.6/Responses';
  30 import {
  31   OCPP16AuthorizationStatus,
  32   OCPP16AuthorizeRequest,
  33   OCPP16AuthorizeResponse,
  34   OCPP16StartTransactionRequest,
  35   OCPP16StartTransactionResponse,
  36   OCPP16StopTransactionRequest,
  37   OCPP16StopTransactionResponse,
  38 } from '../../../types/ocpp/1.6/Transaction';
  39 import { ErrorType } from '../../../types/ocpp/ErrorType';
  40 import type { ResponseHandler } from '../../../types/ocpp/Responses';
  41 import logger from '../../../utils/Logger';
  42 import Utils from '../../../utils/Utils';
  43 import type ChargingStation from '../../ChargingStation';
  44 import { ChargingStationConfigurationUtils } from '../../ChargingStationConfigurationUtils';
  45 import { ChargingStationUtils } from '../../ChargingStationUtils';
  46 import OCPPResponseService from '../OCPPResponseService';
  47 import { OCPP16ServiceUtils } from './OCPP16ServiceUtils';
  48
  49 const moduleName = 'OCPP16ResponseService';
  50
  51 export default class OCPP16ResponseService extends OCPPResponseService {
  52   private responseHandlers: Map<OCPP16RequestCommand, ResponseHandler>;
  53   private jsonSchemas: Map<OCPP16RequestCommand, JSONSchemaType<JsonObject>>;
  54
  55   public constructor() {
  56     if (new.target?.name === moduleName) {
  57       throw new TypeError(`Cannot construct ${new.target?.name} instances directly`);
  58     }
  59     super();
  60     this.responseHandlers = new Map<OCPP16RequestCommand, ResponseHandler>([
  61       [OCPP16RequestCommand.BOOT_NOTIFICATION, this.handleResponseBootNotification.bind(this)],
  62       [OCPP16RequestCommand.HEARTBEAT, this.emptyResponseHandler.bind(this)],
  63       [OCPP16RequestCommand.AUTHORIZE, this.handleResponseAuthorize.bind(this)],
  64       [OCPP16RequestCommand.START_TRANSACTION, this.handleResponseStartTransaction.bind(this)],
  65       [OCPP16RequestCommand.STOP_TRANSACTION, this.handleResponseStopTransaction.bind(this)],
  66       [OCPP16RequestCommand.STATUS_NOTIFICATION, this.emptyResponseHandler.bind(this)],
  67       [OCPP16RequestCommand.METER_VALUES, this.emptyResponseHandler.bind(this)],
  68       [OCPP16RequestCommand.DIAGNOSTICS_STATUS_NOTIFICATION, this.emptyResponseHandler.bind(this)],
  69     ]);
  70     this.jsonSchemas = new Map<OCPP16RequestCommand, JSONSchemaType<JsonObject>>([
  71       [
  72         OCPP16RequestCommand.BOOT_NOTIFICATION,
  73         JSON.parse(
  74           fs.readFileSync(
  75             path.resolve(
  76               path.dirname(fileURLToPath(import.meta.url)),
  77               '../../../assets/json-schemas/ocpp/1.6/BootNotificationResponse.json'
  78             ),
  79             'utf8'
  80           )
  81         ) as JSONSchemaType<OCPP16BootNotificationResponse>,
  82       ],
  83       [
  84         OCPP16RequestCommand.HEARTBEAT,
  85         JSON.parse(
  86           fs.readFileSync(
  87             path.resolve(
  88               path.dirname(fileURLToPath(import.meta.url)),
  89               '../../../assets/json-schemas/ocpp/1.6/HeartbeatResponse.json'
  90             ),
  91             'utf8'
  92           )
  93         ) as JSONSchemaType<OCPP16HeartbeatResponse>,
  94       ],
  95       [
  96         OCPP16RequestCommand.AUTHORIZE,
  97         JSON.parse(
  98           fs.readFileSync(
  99             path.resolve(
 100               path.dirname(fileURLToPath(import.meta.url)),
 101               '../../../assets/json-schemas/ocpp/1.6/AuthorizeResponse.json'
 102             ),
 103             'utf8'
 104           )
 105         ) as JSONSchemaType<OCPP16AuthorizeResponse>,
 106       ],
 107       [
 108         OCPP16RequestCommand.START_TRANSACTION,
 109         JSON.parse(
 110           fs.readFileSync(
 111             path.resolve(
 112               path.dirname(fileURLToPath(import.meta.url)),
 113               '../../../assets/json-schemas/ocpp/1.6/StartTransactionResponse.json'
 114             ),
 115             'utf8'
 116           )
 117         ) as JSONSchemaType<OCPP16StartTransactionResponse>,
 118       ],
 119       [
 120         OCPP16RequestCommand.STOP_TRANSACTION,
 121         JSON.parse(
 122           fs.readFileSync(
 123             path.resolve(
 124               path.dirname(fileURLToPath(import.meta.url)),
 125               '../../../assets/json-schemas/ocpp/1.6/StopTransactionResponse.json'
 126             ),
 127             'utf8'
 128           )
 129         ) as JSONSchemaType<OCPP16StopTransactionResponse>,
 130       ],
 131       [
 132         OCPP16RequestCommand.STATUS_NOTIFICATION,
 133         JSON.parse(
 134           fs.readFileSync(
 135             path.resolve(
 136               path.dirname(fileURLToPath(import.meta.url)),
 137               '../../../assets/json-schemas/ocpp/1.6/StatusNotificationResponse.json'
 138             ),
 139             'utf8'
 140           )
 141         ) as JSONSchemaType<OCPP16StatusNotificationResponse>,
 142       ],
 143       [
 144         OCPP16RequestCommand.METER_VALUES,
 145         JSON.parse(
 146           fs.readFileSync(
 147             path.resolve(
 148               path.dirname(fileURLToPath(import.meta.url)),
 149               '../../../assets/json-schemas/ocpp/1.6/MeterValuesResponse.json'
 150             ),
 151             'utf8'
 152           )
 153         ) as JSONSchemaType<OCPP16MeterValuesResponse>,
 154       ],
 155       [
 156         OCPP16RequestCommand.DIAGNOSTICS_STATUS_NOTIFICATION,
 157         JSON.parse(
 158           fs.readFileSync(
 159             path.resolve(
 160               path.dirname(fileURLToPath(import.meta.url)),
 161               '../../../assets/json-schemas/ocpp/1.6/DiagnosticsStatusNotificationResponse.json'
 162             ),
 163             'utf8'
 164           )
 165         ) as JSONSchemaType<DiagnosticsStatusNotificationResponse>,
 166       ],
 167     ]);
 168     this.validatePayload.bind(this);
 169   }
 170
 171   public async responseHandler(
 172     chargingStation: ChargingStation,
 173     commandName: OCPP16RequestCommand,
 174     payload: JsonType,
 175     requestPayload: JsonType
 176   ): Promise<void> {
 177     if (chargingStation.isRegistered() || commandName === OCPP16RequestCommand.BOOT_NOTIFICATION) {
 178       if (
 179         this.responseHandlers.has(commandName) &&
 180         ChargingStationUtils.isRequestCommandSupported(commandName, chargingStation)
 181       ) {
 182         try {
 183           this.validatePayload(chargingStation, commandName, payload);
 184           await this.responseHandlers.get(commandName)(chargingStation, payload, requestPayload);
 185         } catch (error) {
 186           logger.error(
 187             `${chargingStation.logPrefix()} ${moduleName}.responseHandler: Handle response error:`,
 188             error
 189           );
 190           throw error;
 191         }
 192       } else {
 193         // Throw exception
 194         throw new OCPPError(
 195           ErrorType.NOT_IMPLEMENTED,
 196           `${commandName} is not implemented to handle response PDU ${JSON.stringify(
 197             payload,
 198             null,
 199             2
 200           )}`,
 201           commandName,
 202           payload
 203         );
 204       }
 205     } else {
 206       throw new OCPPError(
 207         ErrorType.SECURITY_ERROR,
 208         `${commandName} cannot be issued to handle response PDU ${JSON.stringify(
 209           payload,
 210           null,
 211           2
 212         )} while the charging station is not registered on the central server. `,
 213         commandName,
 214         payload
 215       );
 216     }
 217   }
 218
 219   private validatePayload(
 220     chargingStation: ChargingStation,
 221     commandName: OCPP16RequestCommand,
 222     payload: JsonType
 223   ): boolean {
 224     if (this.jsonSchemas.has(commandName)) {
 225       return this.validateResponsePayload(
 226         chargingStation,
 227         commandName,
 228         this.jsonSchemas.get(commandName),
 229         payload
 230       );
 231     }
 232     logger.warn(
 233       `${chargingStation.logPrefix()} ${moduleName}.validatePayload: No JSON schema found for command ${commandName} PDU validation`
 234     );
 235     return false;
 236   }
 237
 238   private handleResponseBootNotification(
 239     chargingStation: ChargingStation,
 240     payload: OCPP16BootNotificationResponse
 241   ): void {
 242     if (payload.status === OCPP16RegistrationStatus.ACCEPTED) {
 243       ChargingStationConfigurationUtils.addConfigurationKey(
 244         chargingStation,
 245         OCPP16StandardParametersKey.HeartbeatInterval,
 246         payload.interval.toString(),
 247         {},
 248         { overwrite: true, save: true }
 249       );
 250       ChargingStationConfigurationUtils.addConfigurationKey(
 251         chargingStation,
 252         OCPP16StandardParametersKey.HeartBeatInterval,
 253         payload.interval.toString(),
 254         { visible: false },
 255         { overwrite: true, save: true }
 256       );
 257       chargingStation.heartbeatSetInterval
 258         ? chargingStation.restartHeartbeat()
 259         : chargingStation.startHeartbeat();
 260     }
 261     if (Object.values(OCPP16RegistrationStatus).includes(payload.status)) {
 262       const logMsg = `${chargingStation.logPrefix()} Charging station in '${
 263         payload.status
 264       }' state on the central server`;
 265       payload.status === OCPP16RegistrationStatus.REJECTED
 266         ? logger.warn(logMsg)
 267         : logger.info(logMsg);
 268     } else {
 269       logger.error(
 270         chargingStation.logPrefix() +
 271           ' Charging station boot notification response received: %j with undefined registration status',
 272         payload
 273       );
 274     }
 275   }
 276
 277   private handleResponseAuthorize(
 278     chargingStation: ChargingStation,
 279     payload: OCPP16AuthorizeResponse,
 280     requestPayload: OCPP16AuthorizeRequest
 281   ): void {
 282     let authorizeConnectorId: number;
 283     for (const connectorId of chargingStation.connectors.keys()) {
 284       if (
 285         connectorId > 0 &&
 286         chargingStation.getConnectorStatus(connectorId)?.authorizeIdTag === requestPayload.idTag
 287       ) {
 288         authorizeConnectorId = connectorId;
 289         break;
 290       }
 291     }
 292     if (payload.idTagInfo.status === OCPP16AuthorizationStatus.ACCEPTED) {
 293       chargingStation.getConnectorStatus(authorizeConnectorId).idTagAuthorized = true;
 294       logger.debug(
 295         `${chargingStation.logPrefix()} IdTag ${
 296           requestPayload.idTag
 297         } authorized on connector ${authorizeConnectorId}`
 298       );
 299     } else {
 300       chargingStation.getConnectorStatus(authorizeConnectorId).idTagAuthorized = false;
 301       delete chargingStation.getConnectorStatus(authorizeConnectorId).authorizeIdTag;
 302       logger.debug(
 303         `${chargingStation.logPrefix()} IdTag ${requestPayload.idTag} refused with status '${
 304           payload.idTagInfo.status
 305         }' on connector ${authorizeConnectorId}`
 306       );
 307     }
 308   }
 309
 310   private async handleResponseStartTransaction(
 311     chargingStation: ChargingStation,
 312     payload: OCPP16StartTransactionResponse,
 313     requestPayload: OCPP16StartTransactionRequest
 314   ): Promise<void> {
 315     const connectorId = requestPayload.connectorId;
 316
 317     let transactionConnectorId: number;
 318     for (const id of chargingStation.connectors.keys()) {
 319       if (id > 0 && id === connectorId) {
 320         transactionConnectorId = id;
 321         break;
 322       }
 323     }
 324     if (!transactionConnectorId) {
 325       logger.error(
 326         chargingStation.logPrefix() +
 327           ' Trying to start a transaction on a non existing connector Id ' +
 328           connectorId.toString()
 329       );
 330       return;
 331     }
 332     if (
 333       chargingStation.getConnectorStatus(connectorId).transactionRemoteStarted &&
 334       chargingStation.getAuthorizeRemoteTxRequests() &&
 335       chargingStation.getLocalAuthListEnabled() &&
 336       chargingStation.hasAuthorizedTags() &&
 337       !chargingStation.getConnectorStatus(connectorId).idTagLocalAuthorized
 338     ) {
 339       logger.error(
 340         chargingStation.logPrefix() +
 341           ' Trying to start a transaction with a not local authorized idTag ' +
 342           chargingStation.getConnectorStatus(connectorId).localAuthorizeIdTag +
 343           ' on connector Id ' +
 344           connectorId.toString()
 345       );
 346       await this.resetConnectorOnStartTransactionError(chargingStation, connectorId);
 347       return;
 348     }
 349     if (
 350       chargingStation.getConnectorStatus(connectorId).transactionRemoteStarted &&
 351       chargingStation.getAuthorizeRemoteTxRequests() &&
 352       chargingStation.getMayAuthorizeAtRemoteStart() &&
 353       !chargingStation.getConnectorStatus(connectorId).idTagLocalAuthorized &&
 354       !chargingStation.getConnectorStatus(connectorId).idTagAuthorized
 355     ) {
 356       logger.error(
 357         chargingStation.logPrefix() +
 358           ' Trying to start a transaction with a not authorized idTag ' +
 359           chargingStation.getConnectorStatus(connectorId).authorizeIdTag +
 360           ' on connector Id ' +
 361           connectorId.toString()
 362       );
 363       await this.resetConnectorOnStartTransactionError(chargingStation, connectorId);
 364       return;
 365     }
 366     if (
 367       chargingStation.getConnectorStatus(connectorId).idTagAuthorized &&
 368       chargingStation.getConnectorStatus(connectorId).authorizeIdTag !== requestPayload.idTag
 369     ) {
 370       logger.error(
 371         chargingStation.logPrefix() +
 372           ' Trying to start a transaction with an idTag ' +
 373           requestPayload.idTag +
 374           ' different from the authorize request one ' +
 375           chargingStation.getConnectorStatus(connectorId).authorizeIdTag +
 376           ' on connector Id ' +
 377           connectorId.toString()
 378       );
 379       await this.resetConnectorOnStartTransactionError(chargingStation, connectorId);
 380       return;
 381     }
 382     if (
 383       chargingStation.getConnectorStatus(connectorId).idTagLocalAuthorized &&
 384       chargingStation.getConnectorStatus(connectorId).localAuthorizeIdTag !== requestPayload.idTag
 385     ) {
 386       logger.error(
 387         chargingStation.logPrefix() +
 388           ' Trying to start a transaction with an idTag ' +
 389           requestPayload.idTag +
 390           ' different from the local authorized one ' +
 391           chargingStation.getConnectorStatus(connectorId).localAuthorizeIdTag +
 392           ' on connector Id ' +
 393           connectorId.toString()
 394       );
 395       await this.resetConnectorOnStartTransactionError(chargingStation, connectorId);
 396       return;
 397     }
 398     if (chargingStation.getConnectorStatus(connectorId)?.transactionStarted) {
 399       logger.debug(
 400         chargingStation.logPrefix() +
 401           ' Trying to start a transaction on an already used connector ' +
 402           connectorId.toString() +
 403           ': %j',
 404         chargingStation.getConnectorStatus(connectorId)
 405       );
 406       return;
 407     }
 408     if (
 409       chargingStation.getConnectorStatus(connectorId)?.status !==
 410         OCPP16ChargePointStatus.AVAILABLE &&
 411       chargingStation.getConnectorStatus(connectorId)?.status !== OCPP16ChargePointStatus.PREPARING
 412     ) {
 413       logger.error(
 414         `${chargingStation.logPrefix()} Trying to start a transaction on connector ${connectorId.toString()} with status ${
 415           chargingStation.getConnectorStatus(connectorId)?.status
 416         }`
 417       );
 418       return;
 419     }
 420     if (!Number.isInteger(payload.transactionId)) {
 421       logger.warn(
 422         `${chargingStation.logPrefix()} Trying to start a transaction on connector ${connectorId.toString()} with a non integer transaction Id ${
 423           payload.transactionId
 424         }, converting to integer`
 425       );
 426       payload.transactionId = Utils.convertToInt(payload.transactionId);
 427     }
 428
 429     if (payload.idTagInfo?.status === OCPP16AuthorizationStatus.ACCEPTED) {
 430       chargingStation.getConnectorStatus(connectorId).transactionStarted = true;
 431       chargingStation.getConnectorStatus(connectorId).transactionId = payload.transactionId;
 432       chargingStation.getConnectorStatus(connectorId).transactionIdTag = requestPayload.idTag;
 433       chargingStation.getConnectorStatus(
 434         connectorId
 435       ).transactionEnergyActiveImportRegisterValue = 0;
 436       chargingStation.getConnectorStatus(connectorId).transactionBeginMeterValue =
 437         OCPP16ServiceUtils.buildTransactionBeginMeterValue(
 438           chargingStation,
 439           connectorId,
 440           requestPayload.meterStart
 441         );
 442       chargingStation.getBeginEndMeterValues() &&
 443         (await chargingStation.ocppRequestService.requestHandler<
 444           OCPP16MeterValuesRequest,
 445           OCPP16MeterValuesResponse
 446         >(chargingStation, OCPP16RequestCommand.METER_VALUES, {
 447           connectorId,
 448           transactionId: payload.transactionId,
 449           meterValue: [chargingStation.getConnectorStatus(connectorId).transactionBeginMeterValue],
 450         }));
 451       await chargingStation.ocppRequestService.requestHandler<
 452         OCPP16StatusNotificationRequest,
 453         OCPP16StatusNotificationResponse
 454       >(chargingStation, OCPP16RequestCommand.STATUS_NOTIFICATION, {
 455         connectorId,
 456         status: OCPP16ChargePointStatus.CHARGING,
 457         errorCode: OCPP16ChargePointErrorCode.NO_ERROR,
 458       });
 459       chargingStation.getConnectorStatus(connectorId).status = OCPP16ChargePointStatus.CHARGING;
 460       logger.info(
 461         chargingStation.logPrefix() +
 462           ' Transaction ' +
 463           payload.transactionId.toString() +
 464           ' STARTED on ' +
 465           chargingStation.stationInfo.chargingStationId +
 466           '#' +
 467           connectorId.toString() +
 468           ' for idTag ' +
 469           requestPayload.idTag
 470       );
 471       if (chargingStation.stationInfo.powerSharedByConnectors) {
 472         chargingStation.powerDivider++;
 473       }
 474       const configuredMeterValueSampleInterval =
 475         ChargingStationConfigurationUtils.getConfigurationKey(
 476           chargingStation,
 477           OCPP16StandardParametersKey.MeterValueSampleInterval
 478         );
 479       chargingStation.startMeterValues(
 480         connectorId,
 481         configuredMeterValueSampleInterval
 482           ? Utils.convertToInt(configuredMeterValueSampleInterval.value) * 1000
 483           : 60000
 484       );
 485     } else {
 486       logger.warn(
 487         chargingStation.logPrefix() +
 488           ' Starting transaction id ' +
 489           payload.transactionId.toString() +
 490           " REJECTED with status '" +
 491           payload?.idTagInfo?.status +
 492           "', idTag " +
 493           requestPayload.idTag
 494       );
 495       await this.resetConnectorOnStartTransactionError(chargingStation, connectorId);
 496     }
 497   }
 498
 499   private async resetConnectorOnStartTransactionError(
 500     chargingStation: ChargingStation,
 501     connectorId: number
 502   ): Promise<void> {
 503     chargingStation.resetConnectorStatus(connectorId);
 504     if (
 505       chargingStation.getConnectorStatus(connectorId).status !== OCPP16ChargePointStatus.AVAILABLE
 506     ) {
 507       await chargingStation.ocppRequestService.requestHandler<
 508         OCPP16StatusNotificationRequest,
 509         OCPP16StatusNotificationResponse
 510       >(chargingStation, OCPP16RequestCommand.STATUS_NOTIFICATION, {
 511         connectorId,
 512         status: OCPP16ChargePointStatus.AVAILABLE,
 513         errorCode: OCPP16ChargePointErrorCode.NO_ERROR,
 514       });
 515       chargingStation.getConnectorStatus(connectorId).status = OCPP16ChargePointStatus.AVAILABLE;
 516     }
 517   }
 518
 519   private async handleResponseStopTransaction(
 520     chargingStation: ChargingStation,
 521     payload: OCPP16StopTransactionResponse,
 522     requestPayload: OCPP16StopTransactionRequest
 523   ): Promise<void> {
 524     const transactionConnectorId = chargingStation.getConnectorIdByTransactionId(
 525       requestPayload.transactionId
 526     );
 527     if (!transactionConnectorId) {
 528       logger.error(
 529         chargingStation.logPrefix() +
 530           ' Trying to stop a non existing transaction ' +
 531           requestPayload.transactionId.toString()
 532       );
 533       return;
 534     }
 535     if (payload.idTagInfo?.status === OCPP16AuthorizationStatus.ACCEPTED) {
 536       chargingStation.getBeginEndMeterValues() &&
 537         !chargingStation.getOcppStrictCompliance() &&
 538         chargingStation.getOutOfOrderEndMeterValues() &&
 539         (await chargingStation.ocppRequestService.requestHandler<
 540           OCPP16MeterValuesRequest,
 541           OCPP16MeterValuesResponse
 542         >(chargingStation, OCPP16RequestCommand.METER_VALUES, {
 543           connectorId: transactionConnectorId,
 544           transactionId: requestPayload.transactionId,
 545           meterValue: [
 546             OCPP16ServiceUtils.buildTransactionEndMeterValue(
 547               chargingStation,
 548               transactionConnectorId,
 549               requestPayload.meterStop
 550             ),
 551           ],
 552         }));
 553       if (
 554         !chargingStation.isChargingStationAvailable() ||
 555         !chargingStation.isConnectorAvailable(transactionConnectorId)
 556       ) {
 557         await chargingStation.ocppRequestService.requestHandler<
 558           OCPP16StatusNotificationRequest,
 559           OCPP16StatusNotificationResponse
 560         >(chargingStation, OCPP16RequestCommand.STATUS_NOTIFICATION, {
 561           connectorId: transactionConnectorId,
 562           status: OCPP16ChargePointStatus.UNAVAILABLE,
 563           errorCode: OCPP16ChargePointErrorCode.NO_ERROR,
 564         });
 565         chargingStation.getConnectorStatus(transactionConnectorId).status =
 566           OCPP16ChargePointStatus.UNAVAILABLE;
 567       } else {
 568         await chargingStation.ocppRequestService.requestHandler<
 569           OCPP16BootNotificationRequest,
 570           OCPP16BootNotificationResponse
 571         >(chargingStation, OCPP16RequestCommand.STATUS_NOTIFICATION, {
 572           connectorId: transactionConnectorId,
 573           status: OCPP16ChargePointStatus.AVAILABLE,
 574           errorCode: OCPP16ChargePointErrorCode.NO_ERROR,
 575         });
 576         chargingStation.getConnectorStatus(transactionConnectorId).status =
 577           OCPP16ChargePointStatus.AVAILABLE;
 578       }
 579       if (chargingStation.stationInfo.powerSharedByConnectors) {
 580         chargingStation.powerDivider--;
 581       }
 582       logger.info(
 583         chargingStation.logPrefix() +
 584           ' Transaction ' +
 585           requestPayload.transactionId.toString() +
 586           ' STOPPED on ' +
 587           chargingStation.stationInfo.chargingStationId +
 588           '#' +
 589           transactionConnectorId.toString()
 590       );
 591       chargingStation.resetConnectorStatus(transactionConnectorId);
 592     } else {
 593       logger.warn(
 594         chargingStation.logPrefix() +
 595           ' Stopping transaction id ' +
 596           requestPayload.transactionId.toString() +
 597           " REJECTED with status '" +
 598           payload.idTagInfo?.status +
 599           "'"
 600       );
 601     }
 602   }
 603 }