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 Constants from '../../../utils/Constants';
  42 import logger from '../../../utils/Logger';
  43 import Utils from '../../../utils/Utils';
  44 import type ChargingStation from '../../ChargingStation';
  45 import { ChargingStationConfigurationUtils } from '../../ChargingStationConfigurationUtils';
  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 (
 178       chargingStation.isRegistered() === true ||
 179       commandName === OCPP16RequestCommand.BOOT_NOTIFICATION
 180     ) {
 181       if (
 182         this.responseHandlers.has(commandName) === true &&
 183         OCPP16ServiceUtils.isRequestCommandSupported(chargingStation, commandName) === true
 184       ) {
 185         try {
 186           this.validatePayload(chargingStation, commandName, payload);
 187           await this.responseHandlers.get(commandName)(chargingStation, payload, requestPayload);
 188         } catch (error) {
 189           logger.error(
 190             `${chargingStation.logPrefix()} ${moduleName}.responseHandler: Handle response error:`,
 191             error
 192           );
 193           throw error;
 194         }
 195       } else {
 196         // Throw exception
 197         throw new OCPPError(
 198           ErrorType.NOT_IMPLEMENTED,
 199           `${commandName} is not implemented to handle response PDU ${JSON.stringify(
 200             payload,
 201             null,
 202             2
 203           )}`,
 204           commandName,
 205           payload
 206         );
 207       }
 208     } else {
 209       throw new OCPPError(
 210         ErrorType.SECURITY_ERROR,
 211         `${commandName} cannot be issued to handle response PDU ${JSON.stringify(
 212           payload,
 213           null,
 214           2
 215         )} while the charging station is not registered on the central server. `,
 216         commandName,
 217         payload
 218       );
 219     }
 220   }
 221
 222   private validatePayload(
 223     chargingStation: ChargingStation,
 224     commandName: OCPP16RequestCommand,
 225     payload: JsonType
 226   ): boolean {
 227     if (this.jsonSchemas.has(commandName)) {
 228       return this.validateResponsePayload(
 229         chargingStation,
 230         commandName,
 231         this.jsonSchemas.get(commandName),
 232         payload
 233       );
 234     }
 235     logger.warn(
 236       `${chargingStation.logPrefix()} ${moduleName}.validatePayload: No JSON schema found for command ${commandName} PDU validation`
 237     );
 238     return false;
 239   }
 240
 241   private handleResponseBootNotification(
 242     chargingStation: ChargingStation,
 243     payload: OCPP16BootNotificationResponse
 244   ): void {
 245     if (payload.status === OCPP16RegistrationStatus.ACCEPTED) {
 246       ChargingStationConfigurationUtils.addConfigurationKey(
 247         chargingStation,
 248         OCPP16StandardParametersKey.HeartbeatInterval,
 249         payload.interval.toString(),
 250         {},
 251         { overwrite: true, save: true }
 252       );
 253       ChargingStationConfigurationUtils.addConfigurationKey(
 254         chargingStation,
 255         OCPP16StandardParametersKey.HeartBeatInterval,
 256         payload.interval.toString(),
 257         { visible: false },
 258         { overwrite: true, save: true }
 259       );
 260       chargingStation.heartbeatSetInterval
 261         ? chargingStation.restartHeartbeat()
 262         : chargingStation.startHeartbeat();
 263     }
 264     if (Object.values(OCPP16RegistrationStatus).includes(payload.status)) {
 265       const logMsg = `${chargingStation.logPrefix()} Charging station in '${
 266         payload.status
 267       }' state on the central server`;
 268       payload.status === OCPP16RegistrationStatus.REJECTED
 269         ? logger.warn(logMsg)
 270         : logger.info(logMsg);
 271     } else {
 272       logger.error(
 273         chargingStation.logPrefix() +
 274           ' Charging station boot notification response received: %j with undefined registration status',
 275         payload
 276       );
 277     }
 278   }
 279
 280   private handleResponseAuthorize(
 281     chargingStation: ChargingStation,
 282     payload: OCPP16AuthorizeResponse,
 283     requestPayload: OCPP16AuthorizeRequest
 284   ): void {
 285     let authorizeConnectorId: number;
 286     for (const connectorId of chargingStation.connectors.keys()) {
 287       if (
 288         connectorId > 0 &&
 289         chargingStation.getConnectorStatus(connectorId)?.authorizeIdTag === requestPayload.idTag
 290       ) {
 291         authorizeConnectorId = connectorId;
 292         break;
 293       }
 294     }
 295     const isAuthorizeConnectorIdDefined = authorizeConnectorId !== undefined;
 296     if (payload.idTagInfo.status === OCPP16AuthorizationStatus.ACCEPTED) {
 297       isAuthorizeConnectorIdDefined &&
 298         (chargingStation.getConnectorStatus(authorizeConnectorId).idTagAuthorized = true);
 299       logger.debug(
 300         `${chargingStation.logPrefix()} IdTag '${requestPayload.idTag}' accepted${
 301           isAuthorizeConnectorIdDefined ? ` on connector ${authorizeConnectorId}` : ''
 302         }`
 303       );
 304     } else {
 305       if (isAuthorizeConnectorIdDefined) {
 306         chargingStation.getConnectorStatus(authorizeConnectorId).idTagAuthorized = false;
 307         delete chargingStation.getConnectorStatus(authorizeConnectorId).authorizeIdTag;
 308       }
 309       logger.debug(
 310         `${chargingStation.logPrefix()} IdTag '${requestPayload.idTag}' rejected with status '${
 311           payload.idTagInfo.status
 312         }'${isAuthorizeConnectorIdDefined ? ` on connector ${authorizeConnectorId}` : ''}`
 313       );
 314     }
 315   }
 316
 317   private async handleResponseStartTransaction(
 318     chargingStation: ChargingStation,
 319     payload: OCPP16StartTransactionResponse,
 320     requestPayload: OCPP16StartTransactionRequest
 321   ): Promise<void> {
 322     const connectorId = requestPayload.connectorId;
 323
 324     let transactionConnectorId: number;
 325     for (const id of chargingStation.connectors.keys()) {
 326       if (id > 0 && id === connectorId) {
 327         transactionConnectorId = id;
 328         break;
 329       }
 330     }
 331     if (!transactionConnectorId) {
 332       logger.error(
 333         chargingStation.logPrefix() +
 334           ' Trying to start a transaction on a non existing connector Id ' +
 335           connectorId.toString()
 336       );
 337       return;
 338     }
 339     if (
 340       chargingStation.getConnectorStatus(connectorId).transactionRemoteStarted === true &&
 341       chargingStation.getAuthorizeRemoteTxRequests() &&
 342       chargingStation.getLocalAuthListEnabled() &&
 343       chargingStation.hasAuthorizedTags() &&
 344       chargingStation.getConnectorStatus(connectorId).idTagLocalAuthorized === false
 345     ) {
 346       logger.error(
 347         chargingStation.logPrefix() +
 348           ' Trying to start a transaction with a not local authorized idTag ' +
 349           chargingStation.getConnectorStatus(connectorId).localAuthorizeIdTag +
 350           ' on connector Id ' +
 351           connectorId.toString()
 352       );
 353       await this.resetConnectorOnStartTransactionError(chargingStation, connectorId);
 354       return;
 355     }
 356     if (
 357       chargingStation.getConnectorStatus(connectorId).transactionRemoteStarted === true &&
 358       chargingStation.getAuthorizeRemoteTxRequests() &&
 359       chargingStation.getMustAuthorizeAtRemoteStart() &&
 360       chargingStation.getConnectorStatus(connectorId).idTagLocalAuthorized === false &&
 361       chargingStation.getConnectorStatus(connectorId).idTagAuthorized === false
 362     ) {
 363       logger.error(
 364         chargingStation.logPrefix() +
 365           ' Trying to start a transaction with a not authorized idTag ' +
 366           chargingStation.getConnectorStatus(connectorId).authorizeIdTag +
 367           ' on connector Id ' +
 368           connectorId.toString()
 369       );
 370       await this.resetConnectorOnStartTransactionError(chargingStation, connectorId);
 371       return;
 372     }
 373     if (
 374       chargingStation.getConnectorStatus(connectorId).idTagAuthorized &&
 375       chargingStation.getConnectorStatus(connectorId).authorizeIdTag !== requestPayload.idTag
 376     ) {
 377       logger.error(
 378         chargingStation.logPrefix() +
 379           ' Trying to start a transaction with an idTag ' +
 380           requestPayload.idTag +
 381           ' different from the authorize request one ' +
 382           chargingStation.getConnectorStatus(connectorId).authorizeIdTag +
 383           ' on connector Id ' +
 384           connectorId.toString()
 385       );
 386       await this.resetConnectorOnStartTransactionError(chargingStation, connectorId);
 387       return;
 388     }
 389     if (
 390       chargingStation.getConnectorStatus(connectorId).idTagLocalAuthorized &&
 391       chargingStation.getConnectorStatus(connectorId).localAuthorizeIdTag !== requestPayload.idTag
 392     ) {
 393       logger.error(
 394         chargingStation.logPrefix() +
 395           ' Trying to start a transaction with an idTag ' +
 396           requestPayload.idTag +
 397           ' different from the local authorized one ' +
 398           chargingStation.getConnectorStatus(connectorId).localAuthorizeIdTag +
 399           ' on connector Id ' +
 400           connectorId.toString()
 401       );
 402       await this.resetConnectorOnStartTransactionError(chargingStation, connectorId);
 403       return;
 404     }
 405     if (chargingStation.getConnectorStatus(connectorId)?.transactionStarted === true) {
 406       logger.debug(
 407         chargingStation.logPrefix() +
 408           ' Trying to start a transaction on an already used connector ' +
 409           connectorId.toString() +
 410           ': %j',
 411         chargingStation.getConnectorStatus(connectorId)
 412       );
 413       return;
 414     }
 415     if (
 416       chargingStation.getConnectorStatus(connectorId)?.status !==
 417         OCPP16ChargePointStatus.AVAILABLE &&
 418       chargingStation.getConnectorStatus(connectorId)?.status !== OCPP16ChargePointStatus.PREPARING
 419     ) {
 420       logger.error(
 421         `${chargingStation.logPrefix()} Trying to start a transaction on connector ${connectorId.toString()} with status ${
 422           chargingStation.getConnectorStatus(connectorId)?.status
 423         }`
 424       );
 425       return;
 426     }
 427     // if (!Number.isInteger(payload.transactionId)) {
 428     //   logger.warn(
 429     //     `${chargingStation.logPrefix()} Trying to start a transaction on connector ${connectorId.toString()} with a non integer transaction Id ${
 430     //       payload.transactionId
 431     //     }, converting to integer`
 432     //   );
 433     //   payload.transactionId = Utils.convertToInt(payload.transactionId);
 434     // }
 435
 436     if (payload.idTagInfo?.status === OCPP16AuthorizationStatus.ACCEPTED) {
 437       chargingStation.getConnectorStatus(connectorId).transactionStarted = true;
 438       chargingStation.getConnectorStatus(connectorId).transactionId = payload.transactionId;
 439       chargingStation.getConnectorStatus(connectorId).transactionIdTag = requestPayload.idTag;
 440       chargingStation.getConnectorStatus(
 441         connectorId
 442       ).transactionEnergyActiveImportRegisterValue = 0;
 443       chargingStation.getConnectorStatus(connectorId).transactionBeginMeterValue =
 444         OCPP16ServiceUtils.buildTransactionBeginMeterValue(
 445           chargingStation,
 446           connectorId,
 447           requestPayload.meterStart
 448         );
 449       chargingStation.getBeginEndMeterValues() &&
 450         (await chargingStation.ocppRequestService.requestHandler<
 451           OCPP16MeterValuesRequest,
 452           OCPP16MeterValuesResponse
 453         >(chargingStation, OCPP16RequestCommand.METER_VALUES, {
 454           connectorId,
 455           transactionId: payload.transactionId,
 456           meterValue: [chargingStation.getConnectorStatus(connectorId).transactionBeginMeterValue],
 457         }));
 458       await chargingStation.ocppRequestService.requestHandler<
 459         OCPP16StatusNotificationRequest,
 460         OCPP16StatusNotificationResponse
 461       >(chargingStation, OCPP16RequestCommand.STATUS_NOTIFICATION, {
 462         connectorId,
 463         status: OCPP16ChargePointStatus.CHARGING,
 464         errorCode: OCPP16ChargePointErrorCode.NO_ERROR,
 465       });
 466       chargingStation.getConnectorStatus(connectorId).status = OCPP16ChargePointStatus.CHARGING;
 467       logger.info(
 468         chargingStation.logPrefix() +
 469           ' Transaction ' +
 470           payload.transactionId.toString() +
 471           ' STARTED on ' +
 472           chargingStation.stationInfo.chargingStationId +
 473           '#' +
 474           connectorId.toString() +
 475           " for idTag '" +
 476           requestPayload.idTag +
 477           "'"
 478       );
 479       if (chargingStation.stationInfo.powerSharedByConnectors) {
 480         chargingStation.powerDivider++;
 481       }
 482       const configuredMeterValueSampleInterval =
 483         ChargingStationConfigurationUtils.getConfigurationKey(
 484           chargingStation,
 485           OCPP16StandardParametersKey.MeterValueSampleInterval
 486         );
 487       chargingStation.startMeterValues(
 488         connectorId,
 489         configuredMeterValueSampleInterval
 490           ? Utils.convertToInt(configuredMeterValueSampleInterval.value) * 1000
 491           : Constants.DEFAULT_METER_VALUES_INTERVAL
 492       );
 493     } else {
 494       logger.warn(
 495         chargingStation.logPrefix() +
 496           ' Starting transaction id ' +
 497           payload.transactionId.toString() +
 498           " REJECTED with status '" +
 499           payload?.idTagInfo?.status +
 500           "', idTag '" +
 501           requestPayload.idTag +
 502           "'"
 503       );
 504       await this.resetConnectorOnStartTransactionError(chargingStation, connectorId);
 505     }
 506   }
 507
 508   private async resetConnectorOnStartTransactionError(
 509     chargingStation: ChargingStation,
 510     connectorId: number
 511   ): Promise<void> {
 512     chargingStation.resetConnectorStatus(connectorId);
 513     if (
 514       chargingStation.getConnectorStatus(connectorId).status !== OCPP16ChargePointStatus.AVAILABLE
 515     ) {
 516       await chargingStation.ocppRequestService.requestHandler<
 517         OCPP16StatusNotificationRequest,
 518         OCPP16StatusNotificationResponse
 519       >(chargingStation, OCPP16RequestCommand.STATUS_NOTIFICATION, {
 520         connectorId,
 521         status: OCPP16ChargePointStatus.AVAILABLE,
 522         errorCode: OCPP16ChargePointErrorCode.NO_ERROR,
 523       });
 524       chargingStation.getConnectorStatus(connectorId).status = OCPP16ChargePointStatus.AVAILABLE;
 525     }
 526   }
 527
 528   private async handleResponseStopTransaction(
 529     chargingStation: ChargingStation,
 530     payload: OCPP16StopTransactionResponse,
 531     requestPayload: OCPP16StopTransactionRequest
 532   ): Promise<void> {
 533     const transactionConnectorId = chargingStation.getConnectorIdByTransactionId(
 534       requestPayload.transactionId
 535     );
 536     if (!transactionConnectorId) {
 537       logger.error(
 538         chargingStation.logPrefix() +
 539           ' Trying to stop a non existing transaction ' +
 540           requestPayload.transactionId.toString()
 541       );
 542       return;
 543     }
 544     if (payload.idTagInfo?.status === OCPP16AuthorizationStatus.ACCEPTED) {
 545       chargingStation.getBeginEndMeterValues() &&
 546         !chargingStation.getOcppStrictCompliance() &&
 547         chargingStation.getOutOfOrderEndMeterValues() &&
 548         (await chargingStation.ocppRequestService.requestHandler<
 549           OCPP16MeterValuesRequest,
 550           OCPP16MeterValuesResponse
 551         >(chargingStation, OCPP16RequestCommand.METER_VALUES, {
 552           connectorId: transactionConnectorId,
 553           transactionId: requestPayload.transactionId,
 554           meterValue: [
 555             OCPP16ServiceUtils.buildTransactionEndMeterValue(
 556               chargingStation,
 557               transactionConnectorId,
 558               requestPayload.meterStop
 559             ),
 560           ],
 561         }));
 562       if (
 563         chargingStation.isChargingStationAvailable() === false ||
 564         chargingStation.isConnectorAvailable(transactionConnectorId) === false
 565       ) {
 566         await chargingStation.ocppRequestService.requestHandler<
 567           OCPP16StatusNotificationRequest,
 568           OCPP16StatusNotificationResponse
 569         >(chargingStation, OCPP16RequestCommand.STATUS_NOTIFICATION, {
 570           connectorId: transactionConnectorId,
 571           status: OCPP16ChargePointStatus.UNAVAILABLE,
 572           errorCode: OCPP16ChargePointErrorCode.NO_ERROR,
 573         });
 574         chargingStation.getConnectorStatus(transactionConnectorId).status =
 575           OCPP16ChargePointStatus.UNAVAILABLE;
 576       } else {
 577         await chargingStation.ocppRequestService.requestHandler<
 578           OCPP16BootNotificationRequest,
 579           OCPP16BootNotificationResponse
 580         >(chargingStation, OCPP16RequestCommand.STATUS_NOTIFICATION, {
 581           connectorId: transactionConnectorId,
 582           status: OCPP16ChargePointStatus.AVAILABLE,
 583           errorCode: OCPP16ChargePointErrorCode.NO_ERROR,
 584         });
 585         chargingStation.getConnectorStatus(transactionConnectorId).status =
 586           OCPP16ChargePointStatus.AVAILABLE;
 587       }
 588       if (chargingStation.stationInfo.powerSharedByConnectors) {
 589         chargingStation.powerDivider--;
 590       }
 591       chargingStation.resetConnectorStatus(transactionConnectorId);
 592       logger.info(
 593         chargingStation.logPrefix() +
 594           ' Transaction ' +
 595           requestPayload.transactionId.toString() +
 596           ' STOPPED on ' +
 597           chargingStation.stationInfo.chargingStationId +
 598           '#' +
 599           transactionConnectorId.toString()
 600       );
 601     } else {
 602       logger.warn(
 603         chargingStation.logPrefix() +
 604           ' Stopping transaction id ' +
 605           requestPayload.transactionId.toString() +
 606           " REJECTED with status '" +
 607           payload.idTagInfo?.status +
 608           "'"
 609       );
 610     }
 611   }
 612 }