src/charging-station/ocpp/1.6/OCPP16IncomingRequestService.ts

   1 // Partial Copyright Jerome Benoit. 2021. All Rights Reserved.
   2
   3 import * as url from 'url';
   4
   5 import { ChangeAvailabilityRequest, ChangeConfigurationRequest, ClearChargingProfileRequest, GetConfigurationRequest, GetDiagnosticsRequest, OCPP16AvailabilityType, OCPP16IncomingRequestCommand, RemoteStartTransactionRequest, RemoteStopTransactionRequest, ResetRequest, SetChargingProfileRequest, UnlockConnectorRequest } from '../../../types/ocpp/1.6/Requests';
   6 import { ChangeAvailabilityResponse, ChangeConfigurationResponse, ClearChargingProfileResponse, GetConfigurationResponse, GetDiagnosticsResponse, SetChargingProfileResponse, UnlockConnectorResponse } from '../../../types/ocpp/1.6/Responses';
   7 import { ChargingProfilePurposeType, OCPP16ChargingProfile } from '../../../types/ocpp/1.6/ChargingProfile';
   8 import { Client, FTPResponse } from 'basic-ftp';
   9 import { IncomingRequestCommand, RequestCommand } from '../../../types/ocpp/Requests';
  10 import { OCPP16AuthorizationStatus, OCPP16StopTransactionReason } from '../../../types/ocpp/1.6/Transaction';
  11
  12 import Constants from '../../../utils/Constants';
  13 import { DefaultResponse } from '../../../types/ocpp/Responses';
  14 import { ErrorType } from '../../../types/ocpp/ErrorType';
  15 import { MessageType } from '../../../types/ocpp/MessageType';
  16 import { OCPP16ChargePointStatus } from '../../../types/ocpp/1.6/ChargePointStatus';
  17 import { OCPP16DiagnosticsStatus } from '../../../types/ocpp/1.6/DiagnosticsStatus';
  18 import { OCPP16StandardParametersKey } from '../../../types/ocpp/1.6/Configuration';
  19 import { OCPPConfigurationKey } from '../../../types/ocpp/Configuration';
  20 import OCPPError from '../OCPPError';
  21 import OCPPIncomingRequestService from '../OCPPIncomingRequestService';
  22 import Utils from '../../../utils/Utils';
  23 import fs from 'fs';
  24 import logger from '../../../utils/Logger';
  25 import path from 'path';
  26 import tar from 'tar';
  27
  28 export default class OCPP16IncomingRequestService extends OCPPIncomingRequestService {
  29   public async handleRequest(messageId: string, commandName: OCPP16IncomingRequestCommand, commandPayload: Record<string, unknown>): Promise<void> {
  30     let response;
  31     const methodName = `handleRequest${commandName}`;
  32     // Call
  33     if (typeof this[methodName] === 'function') {
  34       try {
  35         // Call the method to build the response
  36         response = await this[methodName](commandPayload);
  37       } catch (error) {
  38         // Log
  39         logger.error(this.chargingStation.logPrefix() + ' Handle request error: %j', error);
  40         // Send back an error response to inform backend
  41         await this.chargingStation.ocppRequestService.sendError(messageId, error, commandName);
  42         throw error;
  43       }
  44     } else {
  45       // Throw exception
  46       const error = new OCPPError(ErrorType.NOT_IMPLEMENTED, `${commandName} is not implemented to handle payload ${JSON.stringify(commandPayload, null, 2)}`);
  47       await this.chargingStation.ocppRequestService.sendError(messageId, error, commandName);
  48       throw error;
  49     }
  50     // Send the built response
  51     await this.chargingStation.ocppRequestService.sendMessage(messageId, response, MessageType.CALL_RESULT_MESSAGE, commandName);
  52   }
  53
  54   // Simulate charging station restart
  55   private handleRequestReset(commandPayload: ResetRequest): DefaultResponse {
  56     // eslint-disable-next-line @typescript-eslint/no-misused-promises
  57     setImmediate(async (): Promise<void> => {
  58       await this.chargingStation.stop(commandPayload.type + 'Reset' as OCPP16StopTransactionReason);
  59       await Utils.sleep(this.chargingStation.stationInfo.resetTime);
  60       this.chargingStation.start();
  61     });
  62     logger.info(`${this.chargingStation.logPrefix()} ${commandPayload.type} reset command received, simulating it. The station will be back online in ${Utils.milliSecondsToHHMMSS(this.chargingStation.stationInfo.resetTime)}`);
  63     return Constants.OCPP_RESPONSE_ACCEPTED;
  64   }
  65
  66   private handleRequestClearCache(): DefaultResponse {
  67     return Constants.OCPP_RESPONSE_ACCEPTED;
  68   }
  69
  70   private async handleRequestUnlockConnector(commandPayload: UnlockConnectorRequest): Promise<UnlockConnectorResponse> {
  71     const connectorId = commandPayload.connectorId;
  72     if (connectorId === 0) {
  73       logger.error(this.chargingStation.logPrefix() + ' Trying to unlock connector ' + connectorId.toString());
  74       return Constants.OCPP_RESPONSE_UNLOCK_NOT_SUPPORTED;
  75     }
  76     if (this.chargingStation.getConnector(connectorId)?.transactionStarted) {
  77       const transactionId = this.chargingStation.getConnector(connectorId).transactionId;
  78       const stopResponse = await this.chargingStation.ocppRequestService.sendStopTransaction(transactionId,
  79         this.chargingStation.getEnergyActiveImportRegisterByTransactionId(transactionId),
  80         this.chargingStation.getTransactionIdTag(transactionId),
  81         OCPP16StopTransactionReason.UNLOCK_COMMAND);
  82       if (stopResponse.idTagInfo?.status === OCPP16AuthorizationStatus.ACCEPTED) {
  83         return Constants.OCPP_RESPONSE_UNLOCKED;
  84       }
  85       return Constants.OCPP_RESPONSE_UNLOCK_FAILED;
  86     }
  87     await this.chargingStation.ocppRequestService.sendStatusNotification(connectorId, OCPP16ChargePointStatus.AVAILABLE);
  88     this.chargingStation.getConnector(connectorId).status = OCPP16ChargePointStatus.AVAILABLE;
  89     return Constants.OCPP_RESPONSE_UNLOCKED;
  90   }
  91
  92   private handleRequestGetConfiguration(commandPayload: GetConfigurationRequest): GetConfigurationResponse {
  93     const configurationKey: OCPPConfigurationKey[] = [];
  94     const unknownKey: string[] = [];
  95     if (Utils.isEmptyArray(commandPayload.key)) {
  96       for (const configuration of this.chargingStation.configuration.configurationKey) {
  97         if (Utils.isUndefined(configuration.visible)) {
  98           configuration.visible = true;
  99         }
 100         if (!configuration.visible) {
 101           continue;
 102         }
 103         configurationKey.push({
 104           key: configuration.key,
 105           readonly: configuration.readonly,
 106           value: configuration.value,
 107         });
 108       }
 109     } else {
 110       for (const key of commandPayload.key) {
 111         const keyFound = this.chargingStation.getConfigurationKey(key);
 112         if (keyFound) {
 113           if (Utils.isUndefined(keyFound.visible)) {
 114             keyFound.visible = true;
 115           }
 116           if (!keyFound.visible) {
 117             continue;
 118           }
 119           configurationKey.push({
 120             key: keyFound.key,
 121             readonly: keyFound.readonly,
 122             value: keyFound.value,
 123           });
 124         } else {
 125           unknownKey.push(key);
 126         }
 127       }
 128     }
 129     return {
 130       configurationKey,
 131       unknownKey,
 132     };
 133   }
 134
 135   private handleRequestChangeConfiguration(commandPayload: ChangeConfigurationRequest): ChangeConfigurationResponse {
 136     // JSON request fields type sanity check
 137     if (!Utils.isString(commandPayload.key)) {
 138       logger.error(`${this.chargingStation.logPrefix()} ${RequestCommand.CHANGE_CONFIGURATION} request key field is not a string:`, commandPayload);
 139     }
 140     if (!Utils.isString(commandPayload.value)) {
 141       logger.error(`${this.chargingStation.logPrefix()} ${RequestCommand.CHANGE_CONFIGURATION} request value field is not a string:`, commandPayload);
 142     }
 143     const keyToChange = this.chargingStation.getConfigurationKey(commandPayload.key, true);
 144     if (!keyToChange) {
 145       return Constants.OCPP_CONFIGURATION_RESPONSE_NOT_SUPPORTED;
 146     } else if (keyToChange && keyToChange.readonly) {
 147       return Constants.OCPP_CONFIGURATION_RESPONSE_REJECTED;
 148     } else if (keyToChange && !keyToChange.readonly) {
 149       const keyIndex = this.chargingStation.configuration.configurationKey.indexOf(keyToChange);
 150       let valueChanged = false;
 151       if (this.chargingStation.configuration.configurationKey[keyIndex].value !== commandPayload.value) {
 152         this.chargingStation.configuration.configurationKey[keyIndex].value = commandPayload.value;
 153         valueChanged = true;
 154       }
 155       let triggerHeartbeatRestart = false;
 156       if (keyToChange.key === OCPP16StandardParametersKey.HeartBeatInterval && valueChanged) {
 157         this.chargingStation.setConfigurationKeyValue(OCPP16StandardParametersKey.HeartbeatInterval, commandPayload.value);
 158         triggerHeartbeatRestart = true;
 159       }
 160       if (keyToChange.key === OCPP16StandardParametersKey.HeartbeatInterval && valueChanged) {
 161         this.chargingStation.setConfigurationKeyValue(OCPP16StandardParametersKey.HeartBeatInterval, commandPayload.value);
 162         triggerHeartbeatRestart = true;
 163       }
 164       if (triggerHeartbeatRestart) {
 165         this.chargingStation.restartHeartbeat();
 166       }
 167       if (keyToChange.key === OCPP16StandardParametersKey.WebSocketPingInterval && valueChanged) {
 168         this.chargingStation.restartWebSocketPing();
 169       }
 170       if (keyToChange.reboot) {
 171         return Constants.OCPP_CONFIGURATION_RESPONSE_REBOOT_REQUIRED;
 172       }
 173       return Constants.OCPP_CONFIGURATION_RESPONSE_ACCEPTED;
 174     }
 175   }
 176
 177   private handleRequestSetChargingProfile(commandPayload: SetChargingProfileRequest): SetChargingProfileResponse {
 178     if (!this.chargingStation.getConnector(commandPayload.connectorId)) {
 179       logger.error(`${this.chargingStation.logPrefix()} Trying to set charging profile(s) to a non existing connector Id ${commandPayload.connectorId}`);
 180       return Constants.OCPP_SET_CHARGING_PROFILE_RESPONSE_REJECTED;
 181     }
 182     if (commandPayload.csChargingProfiles.chargingProfilePurpose === ChargingProfilePurposeType.CHARGE_POINT_MAX_PROFILE && commandPayload.connectorId !== 0) {
 183       return Constants.OCPP_SET_CHARGING_PROFILE_RESPONSE_REJECTED;
 184     }
 185     if (commandPayload.csChargingProfiles.chargingProfilePurpose === ChargingProfilePurposeType.TX_PROFILE && (commandPayload.connectorId === 0 || !this.chargingStation.getConnector(commandPayload.connectorId)?.transactionStarted)) {
 186       return Constants.OCPP_SET_CHARGING_PROFILE_RESPONSE_REJECTED;
 187     }
 188     this.chargingStation.setChargingProfile(commandPayload.connectorId, commandPayload.csChargingProfiles);
 189     logger.debug(`${this.chargingStation.logPrefix()} Charging profile(s) set, dump their stack: %j`, this.chargingStation.getConnector(commandPayload.connectorId).chargingProfiles);
 190     return Constants.OCPP_SET_CHARGING_PROFILE_RESPONSE_ACCEPTED;
 191   }
 192
 193   private handleRequestClearChargingProfile(commandPayload: ClearChargingProfileRequest): ClearChargingProfileResponse {
 194     if (!this.chargingStation.getConnector(commandPayload.connectorId)) {
 195       logger.error(`${this.chargingStation.logPrefix()} Trying to clear a charging profile(s) to a non existing connector Id ${commandPayload.connectorId}`);
 196       return Constants.OCPP_CLEAR_CHARGING_PROFILE_RESPONSE_UNKNOWN;
 197     }
 198     if (commandPayload.connectorId && !Utils.isEmptyArray(this.chargingStation.getConnector(commandPayload.connectorId).chargingProfiles)) {
 199       this.chargingStation.getConnector(commandPayload.connectorId).chargingProfiles = [];
 200       logger.debug(`${this.chargingStation.logPrefix()} Charging profile(s) cleared, dump their stack: %j`, this.chargingStation.getConnector(commandPayload.connectorId).chargingProfiles);
 201       return Constants.OCPP_CLEAR_CHARGING_PROFILE_RESPONSE_ACCEPTED;
 202     }
 203     if (!commandPayload.connectorId) {
 204       let clearedCP = false;
 205       for (const connector in this.chargingStation.connectors) {
 206         if (!Utils.isEmptyArray(this.chargingStation.getConnector(Utils.convertToInt(connector)).chargingProfiles)) {
 207           this.chargingStation.getConnector(Utils.convertToInt(connector)).chargingProfiles?.forEach((chargingProfile: OCPP16ChargingProfile, index: number) => {
 208             let clearCurrentCP = false;
 209             if (chargingProfile.chargingProfileId === commandPayload.id) {
 210               clearCurrentCP = true;
 211             }
 212             if (!commandPayload.chargingProfilePurpose && chargingProfile.stackLevel === commandPayload.stackLevel) {
 213               clearCurrentCP = true;
 214             }
 215             if (!chargingProfile.stackLevel && chargingProfile.chargingProfilePurpose === commandPayload.chargingProfilePurpose) {
 216               clearCurrentCP = true;
 217             }
 218             if (chargingProfile.stackLevel === commandPayload.stackLevel && chargingProfile.chargingProfilePurpose === commandPayload.chargingProfilePurpose) {
 219               clearCurrentCP = true;
 220             }
 221             if (clearCurrentCP) {
 222               this.chargingStation.getConnector(commandPayload.connectorId).chargingProfiles[index] = {} as OCPP16ChargingProfile;
 223               logger.debug(`${this.chargingStation.logPrefix()} Charging profile(s) cleared, dump their stack: %j`, this.chargingStation.getConnector(commandPayload.connectorId).chargingProfiles);
 224               clearedCP = true;
 225             }
 226           });
 227         }
 228       }
 229       if (clearedCP) {
 230         return Constants.OCPP_CLEAR_CHARGING_PROFILE_RESPONSE_ACCEPTED;
 231       }
 232     }
 233     return Constants.OCPP_CLEAR_CHARGING_PROFILE_RESPONSE_UNKNOWN;
 234   }
 235
 236   private async handleRequestChangeAvailability(commandPayload: ChangeAvailabilityRequest): Promise<ChangeAvailabilityResponse> {
 237     const connectorId: number = commandPayload.connectorId;
 238     if (!this.chargingStation.getConnector(connectorId)) {
 239       logger.error(`${this.chargingStation.logPrefix()} Trying to change the availability of a non existing connector Id ${connectorId.toString()}`);
 240       return Constants.OCPP_AVAILABILITY_RESPONSE_REJECTED;
 241     }
 242     const chargePointStatus: OCPP16ChargePointStatus = commandPayload.type === OCPP16AvailabilityType.OPERATIVE ? OCPP16ChargePointStatus.AVAILABLE : OCPP16ChargePointStatus.UNAVAILABLE;
 243     if (connectorId === 0) {
 244       let response: ChangeAvailabilityResponse = Constants.OCPP_AVAILABILITY_RESPONSE_ACCEPTED;
 245       for (const connector in this.chargingStation.connectors) {
 246         if (this.chargingStation.getConnector(Utils.convertToInt(connector)).transactionStarted) {
 247           response = Constants.OCPP_AVAILABILITY_RESPONSE_SCHEDULED;
 248         }
 249         this.chargingStation.getConnector(Utils.convertToInt(connector)).availability = commandPayload.type;
 250         if (response === Constants.OCPP_AVAILABILITY_RESPONSE_ACCEPTED) {
 251           await this.chargingStation.ocppRequestService.sendStatusNotification(Utils.convertToInt(connector), chargePointStatus);
 252           this.chargingStation.getConnector(Utils.convertToInt(connector)).status = chargePointStatus;
 253         }
 254       }
 255       return response;
 256     } else if (connectorId > 0 && (this.chargingStation.getConnector(0).availability === OCPP16AvailabilityType.OPERATIVE || (this.chargingStation.getConnector(0).availability === OCPP16AvailabilityType.INOPERATIVE && commandPayload.type === OCPP16AvailabilityType.INOPERATIVE))) {
 257       if (this.chargingStation.getConnector(connectorId)?.transactionStarted) {
 258         this.chargingStation.getConnector(connectorId).availability = commandPayload.type;
 259         return Constants.OCPP_AVAILABILITY_RESPONSE_SCHEDULED;
 260       }
 261       this.chargingStation.getConnector(connectorId).availability = commandPayload.type;
 262       await this.chargingStation.ocppRequestService.sendStatusNotification(connectorId, chargePointStatus);
 263       this.chargingStation.getConnector(connectorId).status = chargePointStatus;
 264       return Constants.OCPP_AVAILABILITY_RESPONSE_ACCEPTED;
 265     }
 266     return Constants.OCPP_AVAILABILITY_RESPONSE_REJECTED;
 267   }
 268
 269   private async handleRequestRemoteStartTransaction(commandPayload: RemoteStartTransactionRequest): Promise<DefaultResponse> {
 270     const transactionConnectorId: number = commandPayload.connectorId;
 271     if (transactionConnectorId) {
 272       await this.chargingStation.ocppRequestService.sendStatusNotification(transactionConnectorId, OCPP16ChargePointStatus.PREPARING);
 273       this.chargingStation.getConnector(transactionConnectorId).status = OCPP16ChargePointStatus.PREPARING;
 274       if (this.chargingStation.isChargingStationAvailable() && this.chargingStation.isConnectorAvailable(transactionConnectorId)) {
 275         // Check if authorized
 276         if (this.chargingStation.getAuthorizeRemoteTxRequests()) {
 277           let authorized = false;
 278           if (this.chargingStation.getLocalAuthListEnabled() && this.chargingStation.hasAuthorizedTags()
 279               && this.chargingStation.authorizedTags.find((value) => value === commandPayload.idTag)) {
 280             authorized = true;
 281           }
 282           if (!authorized || (authorized && this.chargingStation.getMayAuthorizeAtRemoteStart())) {
 283             const authorizeResponse = await this.chargingStation.ocppRequestService.sendAuthorize(transactionConnectorId, commandPayload.idTag);
 284             if (authorizeResponse?.idTagInfo?.status === OCPP16AuthorizationStatus.ACCEPTED) {
 285               authorized = true;
 286             } else {
 287               authorized = false;
 288             }
 289           }
 290           if (authorized) {
 291             // Authorization successful, start transaction
 292             if (this.setRemoteStartTransactionChargingProfile(transactionConnectorId, commandPayload.chargingProfile)) {
 293               if ((await this.chargingStation.ocppRequestService.sendStartTransaction(transactionConnectorId, commandPayload.idTag)).idTagInfo.status === OCPP16AuthorizationStatus.ACCEPTED) {
 294                 logger.debug(this.chargingStation.logPrefix() + ' Transaction remotely STARTED on ' + this.chargingStation.stationInfo.chargingStationId + '#' + transactionConnectorId.toString() + ' for idTag ' + commandPayload.idTag);
 295                 return Constants.OCPP_RESPONSE_ACCEPTED;
 296               }
 297               return this.notifyRemoteStartTransactionRejected(transactionConnectorId, commandPayload.idTag);
 298             }
 299             return this.notifyRemoteStartTransactionRejected(transactionConnectorId, commandPayload.idTag);
 300           }
 301           return this.notifyRemoteStartTransactionRejected(transactionConnectorId, commandPayload.idTag);
 302         }
 303         // No authorization check required, start transaction
 304         if (this.setRemoteStartTransactionChargingProfile(transactionConnectorId, commandPayload.chargingProfile)) {
 305           if ((await this.chargingStation.ocppRequestService.sendStartTransaction(transactionConnectorId, commandPayload.idTag)).idTagInfo.status === OCPP16AuthorizationStatus.ACCEPTED) {
 306             logger.debug(this.chargingStation.logPrefix() + ' Transaction remotely STARTED on ' + this.chargingStation.stationInfo.chargingStationId + '#' + transactionConnectorId.toString() + ' for idTag ' + commandPayload.idTag);
 307             return Constants.OCPP_RESPONSE_ACCEPTED;
 308           }
 309           return this.notifyRemoteStartTransactionRejected(transactionConnectorId, commandPayload.idTag);
 310         }
 311         return this.notifyRemoteStartTransactionRejected(transactionConnectorId, commandPayload.idTag);
 312       }
 313       return this.notifyRemoteStartTransactionRejected(transactionConnectorId, commandPayload.idTag);
 314     }
 315     return this.notifyRemoteStartTransactionRejected(transactionConnectorId, commandPayload.idTag);
 316   }
 317
 318   private async notifyRemoteStartTransactionRejected(connectorId: number, idTag: string): Promise<DefaultResponse> {
 319     if (this.chargingStation.getConnector(connectorId).status !== OCPP16ChargePointStatus.AVAILABLE) {
 320       await this.chargingStation.ocppRequestService.sendStatusNotification(connectorId, OCPP16ChargePointStatus.AVAILABLE);
 321       this.chargingStation.getConnector(connectorId).status = OCPP16ChargePointStatus.AVAILABLE;
 322     }
 323     logger.warn(this.chargingStation.logPrefix() + ' Remote starting transaction REJECTED on connector Id ' + connectorId.toString() + ', idTag ' + idTag + ', availability ' + this.chargingStation.getConnector(connectorId).availability + ', status ' + this.chargingStation.getConnector(connectorId).status);
 324     return Constants.OCPP_RESPONSE_REJECTED;
 325   }
 326
 327   private setRemoteStartTransactionChargingProfile(connectorId: number, cp: OCPP16ChargingProfile): boolean {
 328     if (cp && cp.chargingProfilePurpose === ChargingProfilePurposeType.TX_PROFILE) {
 329       this.chargingStation.setChargingProfile(connectorId, cp);
 330       logger.debug(`${this.chargingStation.logPrefix()} Charging profile(s) set at remote start transaction, dump their stack: %j`, this.chargingStation.getConnector(connectorId).chargingProfiles);
 331       return true;
 332     } else if (cp && cp.chargingProfilePurpose !== ChargingProfilePurposeType.TX_PROFILE) {
 333       logger.warn(`${this.chargingStation.logPrefix()} Not allowed to set ${cp.chargingProfilePurpose} charging profile(s) at remote start transaction`);
 334       return false;
 335     } else if (!cp) {
 336       return true;
 337     }
 338   }
 339
 340   private async handleRequestRemoteStopTransaction(commandPayload: RemoteStopTransactionRequest): Promise<DefaultResponse> {
 341     const transactionId = commandPayload.transactionId;
 342     for (const connector in this.chargingStation.connectors) {
 343       if (Utils.convertToInt(connector) > 0 && this.chargingStation.getConnector(Utils.convertToInt(connector))?.transactionId === transactionId) {
 344         await this.chargingStation.ocppRequestService.sendStatusNotification(Utils.convertToInt(connector), OCPP16ChargePointStatus.FINISHING);
 345         this.chargingStation.getConnector(Utils.convertToInt(connector)).status = OCPP16ChargePointStatus.FINISHING;
 346         await this.chargingStation.ocppRequestService.sendStopTransaction(transactionId, this.chargingStation.getEnergyActiveImportRegisterByTransactionId(transactionId),
 347           this.chargingStation.getTransactionIdTag(transactionId));
 348         return Constants.OCPP_RESPONSE_ACCEPTED;
 349       }
 350     }
 351     logger.info(this.chargingStation.logPrefix() + ' Trying to remote stop a non existing transaction ' + transactionId.toString());
 352     return Constants.OCPP_RESPONSE_REJECTED;
 353   }
 354
 355   private async handleRequestGetDiagnostics(commandPayload: GetDiagnosticsRequest): Promise<GetDiagnosticsResponse> {
 356     logger.debug(this.chargingStation.logPrefix() + ' ' + IncomingRequestCommand.GET_DIAGNOSTICS + ' request received: %j', commandPayload);
 357     const uri = new url.URL(commandPayload.location);
 358     if (uri.protocol.startsWith('ftp:')) {
 359       let ftpClient: Client;
 360       try {
 361         const logFiles = fs.readdirSync(path.resolve(__dirname, '../../../../')).filter((file) => file.endsWith('.log')).map((file) => path.join('./', file));
 362         const diagnosticsArchive = this.chargingStation.stationInfo.chargingStationId + '_logs.tar.gz';
 363         tar.create({ gzip: true }, logFiles).pipe(fs.createWriteStream(diagnosticsArchive));
 364         ftpClient = new Client();
 365         const accessResponse = await ftpClient.access({
 366           host: uri.host,
 367           ...(uri.port !== '') && { port: Utils.convertToInt(uri.port) },
 368           ...(uri.username !== '') && { user: uri.username },
 369           ...(uri.password !== '') && { password: uri.password },
 370         });
 371         let uploadResponse: FTPResponse;
 372         if (accessResponse.code === 220) {
 373           // eslint-disable-next-line @typescript-eslint/no-misused-promises
 374           ftpClient.trackProgress(async (info) => {
 375             logger.info(`${this.chargingStation.logPrefix()} ${info.bytes / 1024} bytes transferred from diagnostics archive ${info.name}`);
 376             await this.chargingStation.ocppRequestService.sendDiagnosticsStatusNotification(OCPP16DiagnosticsStatus.Uploading);
 377           });
 378           uploadResponse = await ftpClient.uploadFrom(path.join(path.resolve(__dirname, '../../../../'), diagnosticsArchive), uri.pathname + diagnosticsArchive);
 379           if (uploadResponse.code === 226) {
 380             await this.chargingStation.ocppRequestService.sendDiagnosticsStatusNotification(OCPP16DiagnosticsStatus.Uploaded);
 381             if (ftpClient) {
 382               ftpClient.close();
 383             }
 384             return { fileName: diagnosticsArchive };
 385           }
 386           throw new OCPPError(ErrorType.GENERIC_ERROR, `Diagnostics transfer failed with error code ${accessResponse.code.toString()}${uploadResponse?.code && '|' + uploadResponse?.code.toString()}`);
 387         }
 388         throw new OCPPError(ErrorType.GENERIC_ERROR, `Diagnostics transfer failed with error code ${accessResponse.code.toString()}${uploadResponse?.code && '|' + uploadResponse?.code.toString()}`);
 389       } catch (error) {
 390         await this.chargingStation.ocppRequestService.sendDiagnosticsStatusNotification(OCPP16DiagnosticsStatus.UploadFailed);
 391         if (ftpClient) {
 392           ftpClient.close();
 393         }
 394         return this.handleIncomingRequestError(IncomingRequestCommand.GET_DIAGNOSTICS, error, Constants.OCPP_RESPONSE_EMPTY);
 395       }
 396     } else {
 397       logger.error(`${this.chargingStation.logPrefix()} Unsupported protocol ${uri.protocol} to transfer the diagnostic logs archive`);
 398       await this.chargingStation.ocppRequestService.sendDiagnosticsStatusNotification(OCPP16DiagnosticsStatus.UploadFailed);
 399       return Constants.OCPP_RESPONSE_EMPTY;
 400     }
 401   }
 402 }