| 1 | // Partial Copyright Jerome Benoit. 2021. All Rights Reserved. |
| 2 | |
| 3 | import crypto from 'crypto'; |
| 4 | import fs from 'fs'; |
| 5 | import path from 'path'; |
| 6 | import { URL } from 'url'; |
| 7 | import { parentPort } from 'worker_threads'; |
| 8 | |
| 9 | import WebSocket, { Data, RawData } from 'ws'; |
| 10 | |
| 11 | import BaseError from '../exception/BaseError'; |
| 12 | import OCPPError from '../exception/OCPPError'; |
| 13 | import PerformanceStatistics from '../performance/PerformanceStatistics'; |
| 14 | import type { AutomaticTransactionGeneratorConfiguration } from '../types/AutomaticTransactionGenerator'; |
| 15 | import type ChargingStationConfiguration from '../types/ChargingStationConfiguration'; |
| 16 | import type ChargingStationInfo from '../types/ChargingStationInfo'; |
| 17 | import type ChargingStationOcppConfiguration from '../types/ChargingStationOcppConfiguration'; |
| 18 | import ChargingStationTemplate, { |
| 19 | CurrentType, |
| 20 | PowerUnits, |
| 21 | WsOptions, |
| 22 | } from '../types/ChargingStationTemplate'; |
| 23 | import { SupervisionUrlDistribution } from '../types/ConfigurationData'; |
| 24 | import type { ConnectorStatus } from '../types/ConnectorStatus'; |
| 25 | import { FileType } from '../types/FileType'; |
| 26 | import type { JsonType } from '../types/JsonType'; |
| 27 | import { ChargePointErrorCode } from '../types/ocpp/ChargePointErrorCode'; |
| 28 | import { ChargePointStatus } from '../types/ocpp/ChargePointStatus'; |
| 29 | import { ChargingProfile, ChargingRateUnitType } from '../types/ocpp/ChargingProfile'; |
| 30 | import { |
| 31 | ConnectorPhaseRotation, |
| 32 | StandardParametersKey, |
| 33 | SupportedFeatureProfiles, |
| 34 | VendorDefaultParametersKey, |
| 35 | } from '../types/ocpp/Configuration'; |
| 36 | import { ErrorType } from '../types/ocpp/ErrorType'; |
| 37 | import { MessageType } from '../types/ocpp/MessageType'; |
| 38 | import { MeterValue, MeterValueMeasurand } from '../types/ocpp/MeterValues'; |
| 39 | import { OCPPVersion } from '../types/ocpp/OCPPVersion'; |
| 40 | import { |
| 41 | AvailabilityType, |
| 42 | BootNotificationRequest, |
| 43 | CachedRequest, |
| 44 | HeartbeatRequest, |
| 45 | IncomingRequest, |
| 46 | IncomingRequestCommand, |
| 47 | MeterValuesRequest, |
| 48 | RequestCommand, |
| 49 | StatusNotificationRequest, |
| 50 | } from '../types/ocpp/Requests'; |
| 51 | import { |
| 52 | BootNotificationResponse, |
| 53 | ErrorResponse, |
| 54 | HeartbeatResponse, |
| 55 | MeterValuesResponse, |
| 56 | RegistrationStatus, |
| 57 | Response, |
| 58 | StatusNotificationResponse, |
| 59 | } from '../types/ocpp/Responses'; |
| 60 | import { |
| 61 | StopTransactionReason, |
| 62 | StopTransactionRequest, |
| 63 | StopTransactionResponse, |
| 64 | } from '../types/ocpp/Transaction'; |
| 65 | import { WSError, WebSocketCloseEventStatusCode } from '../types/WebSocket'; |
| 66 | import Configuration from '../utils/Configuration'; |
| 67 | import Constants from '../utils/Constants'; |
| 68 | import { ACElectricUtils, DCElectricUtils } from '../utils/ElectricUtils'; |
| 69 | import FileUtils from '../utils/FileUtils'; |
| 70 | import logger from '../utils/Logger'; |
| 71 | import Utils from '../utils/Utils'; |
| 72 | import AuthorizedTagsCache from './AuthorizedTagsCache'; |
| 73 | import AutomaticTransactionGenerator from './AutomaticTransactionGenerator'; |
| 74 | import { ChargingStationConfigurationUtils } from './ChargingStationConfigurationUtils'; |
| 75 | import { ChargingStationUtils } from './ChargingStationUtils'; |
| 76 | import ChargingStationWorkerBroadcastChannel from './ChargingStationWorkerBroadcastChannel'; |
| 77 | import { MessageChannelUtils } from './MessageChannelUtils'; |
| 78 | import OCPP16IncomingRequestService from './ocpp/1.6/OCPP16IncomingRequestService'; |
| 79 | import OCPP16RequestService from './ocpp/1.6/OCPP16RequestService'; |
| 80 | import OCPP16ResponseService from './ocpp/1.6/OCPP16ResponseService'; |
| 81 | import { OCPP16ServiceUtils } from './ocpp/1.6/OCPP16ServiceUtils'; |
| 82 | import type OCPPIncomingRequestService from './ocpp/OCPPIncomingRequestService'; |
| 83 | import type OCPPRequestService from './ocpp/OCPPRequestService'; |
| 84 | import SharedLRUCache from './SharedLRUCache'; |
| 85 | |
| 86 | export default class ChargingStation { |
| 87 | public hashId!: string; |
| 88 | public readonly templateFile: string; |
| 89 | public authorizedTagsCache: AuthorizedTagsCache; |
| 90 | public stationInfo!: ChargingStationInfo; |
| 91 | public stopped: boolean; |
| 92 | public readonly connectors: Map<number, ConnectorStatus>; |
| 93 | public ocppConfiguration!: ChargingStationOcppConfiguration; |
| 94 | public wsConnection!: WebSocket; |
| 95 | public readonly requests: Map<string, CachedRequest>; |
| 96 | public performanceStatistics!: PerformanceStatistics; |
| 97 | public heartbeatSetInterval!: NodeJS.Timeout; |
| 98 | public ocppRequestService!: OCPPRequestService; |
| 99 | public bootNotificationResponse!: BootNotificationResponse | null; |
| 100 | public powerDivider!: number; |
| 101 | private readonly index: number; |
| 102 | private configurationFile!: string; |
| 103 | private configurationFileHash!: string; |
| 104 | private bootNotificationRequest!: BootNotificationRequest; |
| 105 | private connectorsConfigurationHash!: string; |
| 106 | private ocppIncomingRequestService!: OCPPIncomingRequestService; |
| 107 | private readonly messageBuffer: Set<string>; |
| 108 | private configuredSupervisionUrl!: URL; |
| 109 | private wsConnectionRestarted: boolean; |
| 110 | private autoReconnectRetryCount: number; |
| 111 | private templateFileWatcher!: fs.FSWatcher; |
| 112 | private readonly sharedLRUCache: SharedLRUCache; |
| 113 | private automaticTransactionGenerator!: AutomaticTransactionGenerator; |
| 114 | private webSocketPingSetInterval!: NodeJS.Timeout; |
| 115 | private readonly chargingStationWorkerBroadcastChannel: ChargingStationWorkerBroadcastChannel; |
| 116 | |
| 117 | constructor(index: number, templateFile: string) { |
| 118 | this.index = index; |
| 119 | this.templateFile = templateFile; |
| 120 | this.stopped = false; |
| 121 | this.wsConnectionRestarted = false; |
| 122 | this.autoReconnectRetryCount = 0; |
| 123 | this.sharedLRUCache = SharedLRUCache.getInstance(); |
| 124 | this.authorizedTagsCache = AuthorizedTagsCache.getInstance(); |
| 125 | this.connectors = new Map<number, ConnectorStatus>(); |
| 126 | this.requests = new Map<string, CachedRequest>(); |
| 127 | this.messageBuffer = new Set<string>(); |
| 128 | this.chargingStationWorkerBroadcastChannel = new ChargingStationWorkerBroadcastChannel(this); |
| 129 | |
| 130 | this.initialize(); |
| 131 | } |
| 132 | |
| 133 | private get wsConnectionUrl(): URL { |
| 134 | return new URL( |
| 135 | (this.getSupervisionUrlOcppConfiguration() |
| 136 | ? ChargingStationConfigurationUtils.getConfigurationKey( |
| 137 | this, |
| 138 | this.getSupervisionUrlOcppKey() |
| 139 | ).value |
| 140 | : this.configuredSupervisionUrl.href) + |
| 141 | '/' + |
| 142 | this.stationInfo.chargingStationId |
| 143 | ); |
| 144 | } |
| 145 | |
| 146 | public logPrefix(): string { |
| 147 | return Utils.logPrefix( |
| 148 | ` ${ |
| 149 | this?.stationInfo?.chargingStationId ?? |
| 150 | ChargingStationUtils.getChargingStationId(this.index, this.getTemplateFromFile()) |
| 151 | } |` |
| 152 | ); |
| 153 | } |
| 154 | |
| 155 | public getBootNotificationRequest(): BootNotificationRequest { |
| 156 | return this.bootNotificationRequest; |
| 157 | } |
| 158 | |
| 159 | public getRandomIdTag(): string { |
| 160 | const authorizationFile = ChargingStationUtils.getAuthorizationFile(this.stationInfo); |
| 161 | const index = Math.floor( |
| 162 | Utils.secureRandom() * this.authorizedTagsCache.getAuthorizedTags(authorizationFile).length |
| 163 | ); |
| 164 | return this.authorizedTagsCache.getAuthorizedTags(authorizationFile)[index]; |
| 165 | } |
| 166 | |
| 167 | public hasAuthorizedTags(): boolean { |
| 168 | return !Utils.isEmptyArray( |
| 169 | this.authorizedTagsCache.getAuthorizedTags( |
| 170 | ChargingStationUtils.getAuthorizationFile(this.stationInfo) |
| 171 | ) |
| 172 | ); |
| 173 | } |
| 174 | |
| 175 | public getEnableStatistics(): boolean | undefined { |
| 176 | return !Utils.isUndefined(this.stationInfo.enableStatistics) |
| 177 | ? this.stationInfo.enableStatistics |
| 178 | : true; |
| 179 | } |
| 180 | |
| 181 | public getMustAuthorizeAtRemoteStart(): boolean | undefined { |
| 182 | return this.stationInfo.mustAuthorizeAtRemoteStart ?? true; |
| 183 | } |
| 184 | |
| 185 | public getPayloadSchemaValidation(): boolean | undefined { |
| 186 | return this.stationInfo.payloadSchemaValidation ?? true; |
| 187 | } |
| 188 | |
| 189 | public getNumberOfPhases(stationInfo?: ChargingStationInfo): number | undefined { |
| 190 | const localStationInfo: ChargingStationInfo = stationInfo ?? this.stationInfo; |
| 191 | switch (this.getCurrentOutType(stationInfo)) { |
| 192 | case CurrentType.AC: |
| 193 | return !Utils.isUndefined(localStationInfo.numberOfPhases) |
| 194 | ? localStationInfo.numberOfPhases |
| 195 | : 3; |
| 196 | case CurrentType.DC: |
| 197 | return 0; |
| 198 | } |
| 199 | } |
| 200 | |
| 201 | public isWebSocketConnectionOpened(): boolean { |
| 202 | return this?.wsConnection?.readyState === WebSocket.OPEN; |
| 203 | } |
| 204 | |
| 205 | public getRegistrationStatus(): RegistrationStatus { |
| 206 | return this?.bootNotificationResponse?.status; |
| 207 | } |
| 208 | |
| 209 | public isInUnknownState(): boolean { |
| 210 | return Utils.isNullOrUndefined(this?.bootNotificationResponse?.status); |
| 211 | } |
| 212 | |
| 213 | public isInPendingState(): boolean { |
| 214 | return this?.bootNotificationResponse?.status === RegistrationStatus.PENDING; |
| 215 | } |
| 216 | |
| 217 | public isInAcceptedState(): boolean { |
| 218 | return this?.bootNotificationResponse?.status === RegistrationStatus.ACCEPTED; |
| 219 | } |
| 220 | |
| 221 | public isInRejectedState(): boolean { |
| 222 | return this?.bootNotificationResponse?.status === RegistrationStatus.REJECTED; |
| 223 | } |
| 224 | |
| 225 | public isRegistered(): boolean { |
| 226 | return !this.isInUnknownState() && (this.isInAcceptedState() || this.isInPendingState()); |
| 227 | } |
| 228 | |
| 229 | public isChargingStationAvailable(): boolean { |
| 230 | return this.getConnectorStatus(0).availability === AvailabilityType.OPERATIVE; |
| 231 | } |
| 232 | |
| 233 | public isConnectorAvailable(id: number): boolean { |
| 234 | return id > 0 && this.getConnectorStatus(id).availability === AvailabilityType.OPERATIVE; |
| 235 | } |
| 236 | |
| 237 | public getNumberOfConnectors(): number { |
| 238 | return this.connectors.get(0) ? this.connectors.size - 1 : this.connectors.size; |
| 239 | } |
| 240 | |
| 241 | public getConnectorStatus(id: number): ConnectorStatus { |
| 242 | return this.connectors.get(id); |
| 243 | } |
| 244 | |
| 245 | public getCurrentOutType(stationInfo?: ChargingStationInfo): CurrentType { |
| 246 | return (stationInfo ?? this.stationInfo).currentOutType ?? CurrentType.AC; |
| 247 | } |
| 248 | |
| 249 | public getOcppStrictCompliance(): boolean { |
| 250 | return this.stationInfo?.ocppStrictCompliance ?? false; |
| 251 | } |
| 252 | |
| 253 | public getVoltageOut(stationInfo?: ChargingStationInfo): number | undefined { |
| 254 | const defaultVoltageOut = ChargingStationUtils.getDefaultVoltageOut( |
| 255 | this.getCurrentOutType(stationInfo), |
| 256 | this.templateFile, |
| 257 | this.logPrefix() |
| 258 | ); |
| 259 | const localStationInfo: ChargingStationInfo = stationInfo ?? this.stationInfo; |
| 260 | return !Utils.isUndefined(localStationInfo.voltageOut) |
| 261 | ? localStationInfo.voltageOut |
| 262 | : defaultVoltageOut; |
| 263 | } |
| 264 | |
| 265 | public getConnectorMaximumAvailablePower(connectorId: number): number { |
| 266 | let connectorAmperageLimitationPowerLimit: number; |
| 267 | if ( |
| 268 | !Utils.isNullOrUndefined(this.getAmperageLimitation()) && |
| 269 | this.getAmperageLimitation() < this.stationInfo.maximumAmperage |
| 270 | ) { |
| 271 | connectorAmperageLimitationPowerLimit = |
| 272 | (this.getCurrentOutType() === CurrentType.AC |
| 273 | ? ACElectricUtils.powerTotal( |
| 274 | this.getNumberOfPhases(), |
| 275 | this.getVoltageOut(), |
| 276 | this.getAmperageLimitation() * this.getNumberOfConnectors() |
| 277 | ) |
| 278 | : DCElectricUtils.power(this.getVoltageOut(), this.getAmperageLimitation())) / |
| 279 | this.powerDivider; |
| 280 | } |
| 281 | const connectorMaximumPower = this.getMaximumPower() / this.powerDivider; |
| 282 | const connectorChargingProfilePowerLimit = this.getChargingProfilePowerLimit(connectorId); |
| 283 | return Math.min( |
| 284 | isNaN(connectorMaximumPower) ? Infinity : connectorMaximumPower, |
| 285 | isNaN(connectorAmperageLimitationPowerLimit) |
| 286 | ? Infinity |
| 287 | : connectorAmperageLimitationPowerLimit, |
| 288 | isNaN(connectorChargingProfilePowerLimit) ? Infinity : connectorChargingProfilePowerLimit |
| 289 | ); |
| 290 | } |
| 291 | |
| 292 | public getTransactionIdTag(transactionId: number): string | undefined { |
| 293 | for (const connectorId of this.connectors.keys()) { |
| 294 | if (connectorId > 0 && this.getConnectorStatus(connectorId).transactionId === transactionId) { |
| 295 | return this.getConnectorStatus(connectorId).transactionIdTag; |
| 296 | } |
| 297 | } |
| 298 | } |
| 299 | |
| 300 | public getOutOfOrderEndMeterValues(): boolean { |
| 301 | return this.stationInfo?.outOfOrderEndMeterValues ?? false; |
| 302 | } |
| 303 | |
| 304 | public getBeginEndMeterValues(): boolean { |
| 305 | return this.stationInfo?.beginEndMeterValues ?? false; |
| 306 | } |
| 307 | |
| 308 | public getMeteringPerTransaction(): boolean { |
| 309 | return this.stationInfo?.meteringPerTransaction ?? true; |
| 310 | } |
| 311 | |
| 312 | public getTransactionDataMeterValues(): boolean { |
| 313 | return this.stationInfo?.transactionDataMeterValues ?? false; |
| 314 | } |
| 315 | |
| 316 | public getMainVoltageMeterValues(): boolean { |
| 317 | return this.stationInfo?.mainVoltageMeterValues ?? true; |
| 318 | } |
| 319 | |
| 320 | public getPhaseLineToLineVoltageMeterValues(): boolean { |
| 321 | return this.stationInfo?.phaseLineToLineVoltageMeterValues ?? false; |
| 322 | } |
| 323 | |
| 324 | public getCustomValueLimitationMeterValues(): boolean { |
| 325 | return this.stationInfo?.customValueLimitationMeterValues ?? true; |
| 326 | } |
| 327 | |
| 328 | public getConnectorIdByTransactionId(transactionId: number): number | undefined { |
| 329 | for (const connectorId of this.connectors.keys()) { |
| 330 | if ( |
| 331 | connectorId > 0 && |
| 332 | this.getConnectorStatus(connectorId)?.transactionId === transactionId |
| 333 | ) { |
| 334 | return connectorId; |
| 335 | } |
| 336 | } |
| 337 | } |
| 338 | |
| 339 | public getEnergyActiveImportRegisterByTransactionId(transactionId: number): number { |
| 340 | const transactionConnectorStatus = this.getConnectorStatus( |
| 341 | this.getConnectorIdByTransactionId(transactionId) |
| 342 | ); |
| 343 | if (this.getMeteringPerTransaction()) { |
| 344 | return transactionConnectorStatus?.transactionEnergyActiveImportRegisterValue ?? 0; |
| 345 | } |
| 346 | return transactionConnectorStatus?.energyActiveImportRegisterValue ?? 0; |
| 347 | } |
| 348 | |
| 349 | public getEnergyActiveImportRegisterByConnectorId(connectorId: number): number { |
| 350 | const connectorStatus = this.getConnectorStatus(connectorId); |
| 351 | if (this.getMeteringPerTransaction()) { |
| 352 | return connectorStatus?.transactionEnergyActiveImportRegisterValue ?? 0; |
| 353 | } |
| 354 | return connectorStatus?.energyActiveImportRegisterValue ?? 0; |
| 355 | } |
| 356 | |
| 357 | public getAuthorizeRemoteTxRequests(): boolean { |
| 358 | const authorizeRemoteTxRequests = ChargingStationConfigurationUtils.getConfigurationKey( |
| 359 | this, |
| 360 | StandardParametersKey.AuthorizeRemoteTxRequests |
| 361 | ); |
| 362 | return authorizeRemoteTxRequests |
| 363 | ? Utils.convertToBoolean(authorizeRemoteTxRequests.value) |
| 364 | : false; |
| 365 | } |
| 366 | |
| 367 | public getLocalAuthListEnabled(): boolean { |
| 368 | const localAuthListEnabled = ChargingStationConfigurationUtils.getConfigurationKey( |
| 369 | this, |
| 370 | StandardParametersKey.LocalAuthListEnabled |
| 371 | ); |
| 372 | return localAuthListEnabled ? Utils.convertToBoolean(localAuthListEnabled.value) : false; |
| 373 | } |
| 374 | |
| 375 | public startHeartbeat(): void { |
| 376 | if ( |
| 377 | this.getHeartbeatInterval() && |
| 378 | this.getHeartbeatInterval() > 0 && |
| 379 | !this.heartbeatSetInterval |
| 380 | ) { |
| 381 | // eslint-disable-next-line @typescript-eslint/no-misused-promises |
| 382 | this.heartbeatSetInterval = setInterval(async (): Promise<void> => { |
| 383 | await this.ocppRequestService.requestHandler<HeartbeatRequest, HeartbeatResponse>( |
| 384 | this, |
| 385 | RequestCommand.HEARTBEAT |
| 386 | ); |
| 387 | }, this.getHeartbeatInterval()); |
| 388 | logger.info( |
| 389 | this.logPrefix() + |
| 390 | ' Heartbeat started every ' + |
| 391 | Utils.formatDurationMilliSeconds(this.getHeartbeatInterval()) |
| 392 | ); |
| 393 | } else if (this.heartbeatSetInterval) { |
| 394 | logger.info( |
| 395 | this.logPrefix() + |
| 396 | ' Heartbeat already started every ' + |
| 397 | Utils.formatDurationMilliSeconds(this.getHeartbeatInterval()) |
| 398 | ); |
| 399 | } else { |
| 400 | logger.error( |
| 401 | `${this.logPrefix()} Heartbeat interval set to ${ |
| 402 | this.getHeartbeatInterval() |
| 403 | ? Utils.formatDurationMilliSeconds(this.getHeartbeatInterval()) |
| 404 | : this.getHeartbeatInterval() |
| 405 | }, not starting the heartbeat` |
| 406 | ); |
| 407 | } |
| 408 | } |
| 409 | |
| 410 | public restartHeartbeat(): void { |
| 411 | // Stop heartbeat |
| 412 | this.stopHeartbeat(); |
| 413 | // Start heartbeat |
| 414 | this.startHeartbeat(); |
| 415 | } |
| 416 | |
| 417 | public restartWebSocketPing(): void { |
| 418 | // Stop WebSocket ping |
| 419 | this.stopWebSocketPing(); |
| 420 | // Start WebSocket ping |
| 421 | this.startWebSocketPing(); |
| 422 | } |
| 423 | |
| 424 | public startMeterValues(connectorId: number, interval: number): void { |
| 425 | if (connectorId === 0) { |
| 426 | logger.error( |
| 427 | `${this.logPrefix()} Trying to start MeterValues on connector Id ${connectorId.toString()}` |
| 428 | ); |
| 429 | return; |
| 430 | } |
| 431 | if (!this.getConnectorStatus(connectorId)) { |
| 432 | logger.error( |
| 433 | `${this.logPrefix()} Trying to start MeterValues on non existing connector Id ${connectorId.toString()}` |
| 434 | ); |
| 435 | return; |
| 436 | } |
| 437 | if (!this.getConnectorStatus(connectorId)?.transactionStarted) { |
| 438 | logger.error( |
| 439 | `${this.logPrefix()} Trying to start MeterValues on connector Id ${connectorId} with no transaction started` |
| 440 | ); |
| 441 | return; |
| 442 | } else if ( |
| 443 | this.getConnectorStatus(connectorId)?.transactionStarted && |
| 444 | !this.getConnectorStatus(connectorId)?.transactionId |
| 445 | ) { |
| 446 | logger.error( |
| 447 | `${this.logPrefix()} Trying to start MeterValues on connector Id ${connectorId} with no transaction id` |
| 448 | ); |
| 449 | return; |
| 450 | } |
| 451 | if (interval > 0) { |
| 452 | // eslint-disable-next-line @typescript-eslint/no-misused-promises |
| 453 | this.getConnectorStatus(connectorId).transactionSetInterval = setInterval( |
| 454 | // eslint-disable-next-line @typescript-eslint/no-misused-promises |
| 455 | async (): Promise<void> => { |
| 456 | // FIXME: Implement OCPP version agnostic helpers |
| 457 | const meterValue: MeterValue = OCPP16ServiceUtils.buildMeterValue( |
| 458 | this, |
| 459 | connectorId, |
| 460 | this.getConnectorStatus(connectorId).transactionId, |
| 461 | interval |
| 462 | ); |
| 463 | await this.ocppRequestService.requestHandler<MeterValuesRequest, MeterValuesResponse>( |
| 464 | this, |
| 465 | RequestCommand.METER_VALUES, |
| 466 | { |
| 467 | connectorId, |
| 468 | transactionId: this.getConnectorStatus(connectorId).transactionId, |
| 469 | meterValue: [meterValue], |
| 470 | } |
| 471 | ); |
| 472 | }, |
| 473 | interval |
| 474 | ); |
| 475 | } else { |
| 476 | logger.error( |
| 477 | `${this.logPrefix()} Charging station ${ |
| 478 | StandardParametersKey.MeterValueSampleInterval |
| 479 | } configuration set to ${ |
| 480 | interval ? Utils.formatDurationMilliSeconds(interval) : interval |
| 481 | }, not sending MeterValues` |
| 482 | ); |
| 483 | } |
| 484 | } |
| 485 | |
| 486 | public start(): void { |
| 487 | if (this.getEnableStatistics()) { |
| 488 | this.performanceStatistics.start(); |
| 489 | } |
| 490 | this.openWSConnection(); |
| 491 | // Monitor charging station template file |
| 492 | this.templateFileWatcher = FileUtils.watchJsonFile( |
| 493 | this.logPrefix(), |
| 494 | FileType.ChargingStationTemplate, |
| 495 | this.templateFile, |
| 496 | null, |
| 497 | (event, filename): void => { |
| 498 | if (filename && event === 'change') { |
| 499 | try { |
| 500 | logger.debug( |
| 501 | `${this.logPrefix()} ${FileType.ChargingStationTemplate} ${ |
| 502 | this.templateFile |
| 503 | } file have changed, reload` |
| 504 | ); |
| 505 | this.sharedLRUCache.deleteChargingStationTemplate(this.stationInfo?.templateHash); |
| 506 | // Initialize |
| 507 | this.initialize(); |
| 508 | // Restart the ATG |
| 509 | this.stopAutomaticTransactionGenerator(); |
| 510 | this.startAutomaticTransactionGenerator(); |
| 511 | if (this.getEnableStatistics()) { |
| 512 | this.performanceStatistics.restart(); |
| 513 | } else { |
| 514 | this.performanceStatistics.stop(); |
| 515 | } |
| 516 | // FIXME?: restart heartbeat and WebSocket ping when their interval values have changed |
| 517 | } catch (error) { |
| 518 | logger.error( |
| 519 | `${this.logPrefix()} ${FileType.ChargingStationTemplate} file monitoring error:`, |
| 520 | error |
| 521 | ); |
| 522 | } |
| 523 | } |
| 524 | } |
| 525 | ); |
| 526 | parentPort.postMessage(MessageChannelUtils.buildStartedMessage(this)); |
| 527 | } |
| 528 | |
| 529 | public async stop(reason: StopTransactionReason = StopTransactionReason.NONE): Promise<void> { |
| 530 | // Stop message sequence |
| 531 | await this.stopMessageSequence(reason); |
| 532 | for (const connectorId of this.connectors.keys()) { |
| 533 | if (connectorId > 0) { |
| 534 | await this.ocppRequestService.requestHandler< |
| 535 | StatusNotificationRequest, |
| 536 | StatusNotificationResponse |
| 537 | >(this, RequestCommand.STATUS_NOTIFICATION, { |
| 538 | connectorId, |
| 539 | status: ChargePointStatus.UNAVAILABLE, |
| 540 | errorCode: ChargePointErrorCode.NO_ERROR, |
| 541 | }); |
| 542 | this.getConnectorStatus(connectorId).status = ChargePointStatus.UNAVAILABLE; |
| 543 | } |
| 544 | } |
| 545 | this.closeWSConnection(); |
| 546 | if (this.getEnableStatistics()) { |
| 547 | this.performanceStatistics.stop(); |
| 548 | } |
| 549 | this.sharedLRUCache.deleteChargingStationConfiguration(this.configurationFileHash); |
| 550 | this.templateFileWatcher.close(); |
| 551 | this.sharedLRUCache.deleteChargingStationTemplate(this.stationInfo?.templateHash); |
| 552 | this.bootNotificationResponse = null; |
| 553 | this.stopped = true; |
| 554 | parentPort.postMessage(MessageChannelUtils.buildStoppedMessage(this)); |
| 555 | } |
| 556 | |
| 557 | public async reset(reason?: StopTransactionReason): Promise<void> { |
| 558 | await this.stop(reason); |
| 559 | await Utils.sleep(this.stationInfo.resetTime); |
| 560 | this.initialize(); |
| 561 | this.start(); |
| 562 | } |
| 563 | |
| 564 | public saveOcppConfiguration(): void { |
| 565 | if (this.getOcppPersistentConfiguration()) { |
| 566 | this.saveConfiguration(); |
| 567 | } |
| 568 | } |
| 569 | |
| 570 | public getChargingProfilePowerLimit(connectorId: number): number | undefined { |
| 571 | let limit: number, matchingChargingProfile: ChargingProfile; |
| 572 | let chargingProfiles: ChargingProfile[] = []; |
| 573 | // Get charging profiles for connector and sort by stack level |
| 574 | chargingProfiles = this.getConnectorStatus(connectorId).chargingProfiles.sort( |
| 575 | (a, b) => b.stackLevel - a.stackLevel |
| 576 | ); |
| 577 | // Get profiles on connector 0 |
| 578 | if (this.getConnectorStatus(0).chargingProfiles) { |
| 579 | chargingProfiles.push( |
| 580 | ...this.getConnectorStatus(0).chargingProfiles.sort((a, b) => b.stackLevel - a.stackLevel) |
| 581 | ); |
| 582 | } |
| 583 | if (!Utils.isEmptyArray(chargingProfiles)) { |
| 584 | const result = ChargingStationUtils.getLimitFromChargingProfiles( |
| 585 | chargingProfiles, |
| 586 | this.logPrefix() |
| 587 | ); |
| 588 | if (!Utils.isNullOrUndefined(result)) { |
| 589 | limit = result.limit; |
| 590 | matchingChargingProfile = result.matchingChargingProfile; |
| 591 | switch (this.getCurrentOutType()) { |
| 592 | case CurrentType.AC: |
| 593 | limit = |
| 594 | matchingChargingProfile.chargingSchedule.chargingRateUnit === |
| 595 | ChargingRateUnitType.WATT |
| 596 | ? limit |
| 597 | : ACElectricUtils.powerTotal(this.getNumberOfPhases(), this.getVoltageOut(), limit); |
| 598 | break; |
| 599 | case CurrentType.DC: |
| 600 | limit = |
| 601 | matchingChargingProfile.chargingSchedule.chargingRateUnit === |
| 602 | ChargingRateUnitType.WATT |
| 603 | ? limit |
| 604 | : DCElectricUtils.power(this.getVoltageOut(), limit); |
| 605 | } |
| 606 | |
| 607 | const connectorMaximumPower = this.getMaximumPower() / this.powerDivider; |
| 608 | if (limit > connectorMaximumPower) { |
| 609 | logger.error( |
| 610 | `${this.logPrefix()} Charging profile id ${ |
| 611 | matchingChargingProfile.chargingProfileId |
| 612 | } limit is greater than connector id ${connectorId} maximum, dump charging profiles' stack: %j`, |
| 613 | this.getConnectorStatus(connectorId).chargingProfiles |
| 614 | ); |
| 615 | limit = connectorMaximumPower; |
| 616 | } |
| 617 | } |
| 618 | } |
| 619 | return limit; |
| 620 | } |
| 621 | |
| 622 | public setChargingProfile(connectorId: number, cp: ChargingProfile): void { |
| 623 | if (Utils.isNullOrUndefined(this.getConnectorStatus(connectorId).chargingProfiles)) { |
| 624 | logger.error( |
| 625 | `${this.logPrefix()} Trying to set a charging profile on connectorId ${connectorId} with an uninitialized charging profiles array attribute, applying deferred initialization` |
| 626 | ); |
| 627 | this.getConnectorStatus(connectorId).chargingProfiles = []; |
| 628 | } |
| 629 | if (Array.isArray(this.getConnectorStatus(connectorId).chargingProfiles) === false) { |
| 630 | logger.error( |
| 631 | `${this.logPrefix()} Trying to set a charging profile on connectorId ${connectorId} with an improper attribute type for the charging profiles array, applying proper type initialization` |
| 632 | ); |
| 633 | this.getConnectorStatus(connectorId).chargingProfiles = []; |
| 634 | } |
| 635 | let cpReplaced = false; |
| 636 | if (!Utils.isEmptyArray(this.getConnectorStatus(connectorId).chargingProfiles)) { |
| 637 | this.getConnectorStatus(connectorId).chargingProfiles?.forEach( |
| 638 | (chargingProfile: ChargingProfile, index: number) => { |
| 639 | if ( |
| 640 | chargingProfile.chargingProfileId === cp.chargingProfileId || |
| 641 | (chargingProfile.stackLevel === cp.stackLevel && |
| 642 | chargingProfile.chargingProfilePurpose === cp.chargingProfilePurpose) |
| 643 | ) { |
| 644 | this.getConnectorStatus(connectorId).chargingProfiles[index] = cp; |
| 645 | cpReplaced = true; |
| 646 | } |
| 647 | } |
| 648 | ); |
| 649 | } |
| 650 | !cpReplaced && this.getConnectorStatus(connectorId).chargingProfiles?.push(cp); |
| 651 | } |
| 652 | |
| 653 | public resetConnectorStatus(connectorId: number): void { |
| 654 | this.getConnectorStatus(connectorId).idTagLocalAuthorized = false; |
| 655 | this.getConnectorStatus(connectorId).idTagAuthorized = false; |
| 656 | this.getConnectorStatus(connectorId).transactionRemoteStarted = false; |
| 657 | this.getConnectorStatus(connectorId).transactionStarted = false; |
| 658 | delete this.getConnectorStatus(connectorId).localAuthorizeIdTag; |
| 659 | delete this.getConnectorStatus(connectorId).authorizeIdTag; |
| 660 | delete this.getConnectorStatus(connectorId).transactionId; |
| 661 | delete this.getConnectorStatus(connectorId).transactionIdTag; |
| 662 | this.getConnectorStatus(connectorId).transactionEnergyActiveImportRegisterValue = 0; |
| 663 | delete this.getConnectorStatus(connectorId).transactionBeginMeterValue; |
| 664 | this.stopMeterValues(connectorId); |
| 665 | } |
| 666 | |
| 667 | public hasFeatureProfile(featureProfile: SupportedFeatureProfiles) { |
| 668 | return ChargingStationConfigurationUtils.getConfigurationKey( |
| 669 | this, |
| 670 | StandardParametersKey.SupportedFeatureProfiles |
| 671 | )?.value.includes(featureProfile); |
| 672 | } |
| 673 | |
| 674 | public bufferMessage(message: string): void { |
| 675 | this.messageBuffer.add(message); |
| 676 | } |
| 677 | |
| 678 | public openWSConnection( |
| 679 | options: WsOptions = this.stationInfo?.wsOptions ?? {}, |
| 680 | params: { closeOpened?: boolean; terminateOpened?: boolean } = { |
| 681 | closeOpened: false, |
| 682 | terminateOpened: false, |
| 683 | } |
| 684 | ): void { |
| 685 | options.handshakeTimeout = options?.handshakeTimeout ?? this.getConnectionTimeout() * 1000; |
| 686 | params.closeOpened = params?.closeOpened ?? false; |
| 687 | params.terminateOpened = params?.terminateOpened ?? false; |
| 688 | if ( |
| 689 | !Utils.isNullOrUndefined(this.stationInfo.supervisionUser) && |
| 690 | !Utils.isNullOrUndefined(this.stationInfo.supervisionPassword) |
| 691 | ) { |
| 692 | options.auth = `${this.stationInfo.supervisionUser}:${this.stationInfo.supervisionPassword}`; |
| 693 | } |
| 694 | if (params?.closeOpened) { |
| 695 | this.closeWSConnection(); |
| 696 | } |
| 697 | if (params?.terminateOpened) { |
| 698 | this.terminateWSConnection(); |
| 699 | } |
| 700 | let protocol: string; |
| 701 | switch (this.getOcppVersion()) { |
| 702 | case OCPPVersion.VERSION_16: |
| 703 | protocol = 'ocpp' + OCPPVersion.VERSION_16; |
| 704 | break; |
| 705 | default: |
| 706 | this.handleUnsupportedVersion(this.getOcppVersion()); |
| 707 | break; |
| 708 | } |
| 709 | |
| 710 | logger.info( |
| 711 | this.logPrefix() + ' Open OCPP connection to URL ' + this.wsConnectionUrl.toString() |
| 712 | ); |
| 713 | |
| 714 | this.wsConnection = new WebSocket(this.wsConnectionUrl, protocol, options); |
| 715 | |
| 716 | // Handle WebSocket message |
| 717 | this.wsConnection.on( |
| 718 | 'message', |
| 719 | this.onMessage.bind(this) as (this: WebSocket, data: RawData, isBinary: boolean) => void |
| 720 | ); |
| 721 | // Handle WebSocket error |
| 722 | this.wsConnection.on( |
| 723 | 'error', |
| 724 | this.onError.bind(this) as (this: WebSocket, error: Error) => void |
| 725 | ); |
| 726 | // Handle WebSocket close |
| 727 | this.wsConnection.on( |
| 728 | 'close', |
| 729 | this.onClose.bind(this) as (this: WebSocket, code: number, reason: Buffer) => void |
| 730 | ); |
| 731 | // Handle WebSocket open |
| 732 | this.wsConnection.on('open', this.onOpen.bind(this) as (this: WebSocket) => void); |
| 733 | // Handle WebSocket ping |
| 734 | this.wsConnection.on('ping', this.onPing.bind(this) as (this: WebSocket, data: Buffer) => void); |
| 735 | // Handle WebSocket pong |
| 736 | this.wsConnection.on('pong', this.onPong.bind(this) as (this: WebSocket, data: Buffer) => void); |
| 737 | } |
| 738 | |
| 739 | public closeWSConnection(): void { |
| 740 | if (this.isWebSocketConnectionOpened()) { |
| 741 | this.wsConnection.close(); |
| 742 | this.wsConnection = null; |
| 743 | } |
| 744 | } |
| 745 | |
| 746 | private flushMessageBuffer() { |
| 747 | if (this.messageBuffer.size > 0) { |
| 748 | this.messageBuffer.forEach((message) => { |
| 749 | // TODO: evaluate the need to track performance |
| 750 | this.wsConnection.send(message); |
| 751 | this.messageBuffer.delete(message); |
| 752 | }); |
| 753 | } |
| 754 | } |
| 755 | |
| 756 | private getSupervisionUrlOcppConfiguration(): boolean { |
| 757 | return this.stationInfo.supervisionUrlOcppConfiguration ?? false; |
| 758 | } |
| 759 | |
| 760 | private getSupervisionUrlOcppKey(): string { |
| 761 | return this.stationInfo.supervisionUrlOcppKey ?? VendorDefaultParametersKey.ConnectionUrl; |
| 762 | } |
| 763 | |
| 764 | private getTemplateFromFile(): ChargingStationTemplate | null { |
| 765 | let template: ChargingStationTemplate = null; |
| 766 | try { |
| 767 | if (this.sharedLRUCache.hasChargingStationTemplate(this.stationInfo?.templateHash)) { |
| 768 | template = this.sharedLRUCache.getChargingStationTemplate(this.stationInfo.templateHash); |
| 769 | } else { |
| 770 | const measureId = `${FileType.ChargingStationTemplate} read`; |
| 771 | const beginId = PerformanceStatistics.beginMeasure(measureId); |
| 772 | template = JSON.parse( |
| 773 | fs.readFileSync(this.templateFile, 'utf8') |
| 774 | ) as ChargingStationTemplate; |
| 775 | PerformanceStatistics.endMeasure(measureId, beginId); |
| 776 | template.templateHash = crypto |
| 777 | .createHash(Constants.DEFAULT_HASH_ALGORITHM) |
| 778 | .update(JSON.stringify(template)) |
| 779 | .digest('hex'); |
| 780 | this.sharedLRUCache.setChargingStationTemplate(template); |
| 781 | } |
| 782 | } catch (error) { |
| 783 | FileUtils.handleFileException( |
| 784 | this.logPrefix(), |
| 785 | FileType.ChargingStationTemplate, |
| 786 | this.templateFile, |
| 787 | error as NodeJS.ErrnoException |
| 788 | ); |
| 789 | } |
| 790 | return template; |
| 791 | } |
| 792 | |
| 793 | private getStationInfoFromTemplate(): ChargingStationInfo { |
| 794 | const stationTemplate: ChargingStationTemplate = this.getTemplateFromFile(); |
| 795 | if (Utils.isNullOrUndefined(stationTemplate)) { |
| 796 | const errorMsg = 'Failed to read charging station template file'; |
| 797 | logger.error(`${this.logPrefix()} ${errorMsg}`); |
| 798 | throw new BaseError(errorMsg); |
| 799 | } |
| 800 | if (Utils.isEmptyObject(stationTemplate)) { |
| 801 | const errorMsg = `Empty charging station information from template file ${this.templateFile}`; |
| 802 | logger.error(`${this.logPrefix()} ${errorMsg}`); |
| 803 | throw new BaseError(errorMsg); |
| 804 | } |
| 805 | // Deprecation template keys section |
| 806 | ChargingStationUtils.warnDeprecatedTemplateKey( |
| 807 | stationTemplate, |
| 808 | 'supervisionUrl', |
| 809 | this.templateFile, |
| 810 | this.logPrefix(), |
| 811 | "Use 'supervisionUrls' instead" |
| 812 | ); |
| 813 | ChargingStationUtils.convertDeprecatedTemplateKey( |
| 814 | stationTemplate, |
| 815 | 'supervisionUrl', |
| 816 | 'supervisionUrls' |
| 817 | ); |
| 818 | const stationInfo: ChargingStationInfo = |
| 819 | ChargingStationUtils.stationTemplateToStationInfo(stationTemplate); |
| 820 | stationInfo.chargingStationId = ChargingStationUtils.getChargingStationId( |
| 821 | this.index, |
| 822 | stationTemplate |
| 823 | ); |
| 824 | ChargingStationUtils.createSerialNumber(stationTemplate, stationInfo); |
| 825 | if (!Utils.isEmptyArray(stationTemplate.power)) { |
| 826 | stationTemplate.power = stationTemplate.power as number[]; |
| 827 | const powerArrayRandomIndex = Math.floor(Utils.secureRandom() * stationTemplate.power.length); |
| 828 | stationInfo.maximumPower = |
| 829 | stationTemplate.powerUnit === PowerUnits.KILO_WATT |
| 830 | ? stationTemplate.power[powerArrayRandomIndex] * 1000 |
| 831 | : stationTemplate.power[powerArrayRandomIndex]; |
| 832 | } else { |
| 833 | stationTemplate.power = stationTemplate.power as number; |
| 834 | stationInfo.maximumPower = |
| 835 | stationTemplate.powerUnit === PowerUnits.KILO_WATT |
| 836 | ? stationTemplate.power * 1000 |
| 837 | : stationTemplate.power; |
| 838 | } |
| 839 | stationInfo.resetTime = stationTemplate.resetTime |
| 840 | ? stationTemplate.resetTime * 1000 |
| 841 | : Constants.CHARGING_STATION_DEFAULT_RESET_TIME; |
| 842 | const configuredMaxConnectors = ChargingStationUtils.getConfiguredNumberOfConnectors( |
| 843 | this.index, |
| 844 | stationTemplate |
| 845 | ); |
| 846 | ChargingStationUtils.checkConfiguredMaxConnectors( |
| 847 | configuredMaxConnectors, |
| 848 | this.templateFile, |
| 849 | this.logPrefix() |
| 850 | ); |
| 851 | const templateMaxConnectors = |
| 852 | ChargingStationUtils.getTemplateMaxNumberOfConnectors(stationTemplate); |
| 853 | ChargingStationUtils.checkTemplateMaxConnectors( |
| 854 | templateMaxConnectors, |
| 855 | this.templateFile, |
| 856 | this.logPrefix() |
| 857 | ); |
| 858 | if ( |
| 859 | configuredMaxConnectors > |
| 860 | (stationTemplate?.Connectors[0] ? templateMaxConnectors - 1 : templateMaxConnectors) && |
| 861 | !stationTemplate?.randomConnectors |
| 862 | ) { |
| 863 | logger.warn( |
| 864 | `${this.logPrefix()} Number of connectors exceeds the number of connector configurations in template ${ |
| 865 | this.templateFile |
| 866 | }, forcing random connector configurations affectation` |
| 867 | ); |
| 868 | stationInfo.randomConnectors = true; |
| 869 | } |
| 870 | // Build connectors if needed (FIXME: should be factored out) |
| 871 | this.initializeConnectors(stationInfo, configuredMaxConnectors, templateMaxConnectors); |
| 872 | stationInfo.maximumAmperage = this.getMaximumAmperage(stationInfo); |
| 873 | ChargingStationUtils.createStationInfoHash(stationInfo); |
| 874 | return stationInfo; |
| 875 | } |
| 876 | |
| 877 | private getStationInfoFromFile(): ChargingStationInfo | null { |
| 878 | let stationInfo: ChargingStationInfo = null; |
| 879 | this.getStationInfoPersistentConfiguration() && |
| 880 | (stationInfo = this.getConfigurationFromFile()?.stationInfo ?? null); |
| 881 | stationInfo && ChargingStationUtils.createStationInfoHash(stationInfo); |
| 882 | return stationInfo; |
| 883 | } |
| 884 | |
| 885 | private getStationInfo(): ChargingStationInfo { |
| 886 | const stationInfoFromTemplate: ChargingStationInfo = this.getStationInfoFromTemplate(); |
| 887 | const stationInfoFromFile: ChargingStationInfo = this.getStationInfoFromFile(); |
| 888 | // Priority: charging station info from template > charging station info from configuration file > charging station info attribute |
| 889 | if (stationInfoFromFile?.templateHash === stationInfoFromTemplate.templateHash) { |
| 890 | if (this.stationInfo?.infoHash === stationInfoFromFile?.infoHash) { |
| 891 | return this.stationInfo; |
| 892 | } |
| 893 | return stationInfoFromFile; |
| 894 | } |
| 895 | stationInfoFromFile && |
| 896 | ChargingStationUtils.propagateSerialNumber( |
| 897 | this.getTemplateFromFile(), |
| 898 | stationInfoFromFile, |
| 899 | stationInfoFromTemplate |
| 900 | ); |
| 901 | return stationInfoFromTemplate; |
| 902 | } |
| 903 | |
| 904 | private saveStationInfo(): void { |
| 905 | if (this.getStationInfoPersistentConfiguration()) { |
| 906 | this.saveConfiguration(); |
| 907 | } |
| 908 | } |
| 909 | |
| 910 | private getOcppVersion(): OCPPVersion { |
| 911 | return this.stationInfo.ocppVersion ?? OCPPVersion.VERSION_16; |
| 912 | } |
| 913 | |
| 914 | private getOcppPersistentConfiguration(): boolean { |
| 915 | return this.stationInfo?.ocppPersistentConfiguration ?? true; |
| 916 | } |
| 917 | |
| 918 | private getStationInfoPersistentConfiguration(): boolean { |
| 919 | return this.stationInfo?.stationInfoPersistentConfiguration ?? true; |
| 920 | } |
| 921 | |
| 922 | private handleUnsupportedVersion(version: OCPPVersion) { |
| 923 | const errMsg = `Unsupported protocol version '${version}' configured in template file ${this.templateFile}`; |
| 924 | logger.error(`${this.logPrefix()} ${errMsg}`); |
| 925 | throw new BaseError(errMsg); |
| 926 | } |
| 927 | |
| 928 | private initialize(): void { |
| 929 | this.hashId = ChargingStationUtils.getHashId(this.index, this.getTemplateFromFile()); |
| 930 | logger.info(`${this.logPrefix()} Charging station hashId '${this.hashId}'`); |
| 931 | this.configurationFile = path.join( |
| 932 | path.dirname(this.templateFile.replace('station-templates', 'configurations')), |
| 933 | this.hashId + '.json' |
| 934 | ); |
| 935 | this.stationInfo = this.getStationInfo(); |
| 936 | this.saveStationInfo(); |
| 937 | // Avoid duplication of connectors related information in RAM |
| 938 | this.stationInfo?.Connectors && delete this.stationInfo.Connectors; |
| 939 | this.configuredSupervisionUrl = this.getConfiguredSupervisionUrl(); |
| 940 | if (this.getEnableStatistics()) { |
| 941 | this.performanceStatistics = PerformanceStatistics.getInstance( |
| 942 | this.hashId, |
| 943 | this.stationInfo.chargingStationId, |
| 944 | this.configuredSupervisionUrl |
| 945 | ); |
| 946 | } |
| 947 | this.bootNotificationRequest = ChargingStationUtils.createBootNotificationRequest( |
| 948 | this.stationInfo |
| 949 | ); |
| 950 | this.powerDivider = this.getPowerDivider(); |
| 951 | // OCPP configuration |
| 952 | this.ocppConfiguration = this.getOcppConfiguration(); |
| 953 | this.initializeOcppConfiguration(); |
| 954 | switch (this.getOcppVersion()) { |
| 955 | case OCPPVersion.VERSION_16: |
| 956 | this.ocppIncomingRequestService = |
| 957 | OCPP16IncomingRequestService.getInstance<OCPP16IncomingRequestService>(); |
| 958 | this.ocppRequestService = OCPP16RequestService.getInstance<OCPP16RequestService>( |
| 959 | OCPP16ResponseService.getInstance<OCPP16ResponseService>() |
| 960 | ); |
| 961 | break; |
| 962 | default: |
| 963 | this.handleUnsupportedVersion(this.getOcppVersion()); |
| 964 | break; |
| 965 | } |
| 966 | if (this.stationInfo?.autoRegister) { |
| 967 | this.bootNotificationResponse = { |
| 968 | currentTime: new Date().toISOString(), |
| 969 | interval: this.getHeartbeatInterval() / 1000, |
| 970 | status: RegistrationStatus.ACCEPTED, |
| 971 | }; |
| 972 | } |
| 973 | } |
| 974 | |
| 975 | private initializeOcppConfiguration(): void { |
| 976 | if ( |
| 977 | !ChargingStationConfigurationUtils.getConfigurationKey( |
| 978 | this, |
| 979 | StandardParametersKey.HeartbeatInterval |
| 980 | ) |
| 981 | ) { |
| 982 | ChargingStationConfigurationUtils.addConfigurationKey( |
| 983 | this, |
| 984 | StandardParametersKey.HeartbeatInterval, |
| 985 | '0' |
| 986 | ); |
| 987 | } |
| 988 | if ( |
| 989 | !ChargingStationConfigurationUtils.getConfigurationKey( |
| 990 | this, |
| 991 | StandardParametersKey.HeartBeatInterval |
| 992 | ) |
| 993 | ) { |
| 994 | ChargingStationConfigurationUtils.addConfigurationKey( |
| 995 | this, |
| 996 | StandardParametersKey.HeartBeatInterval, |
| 997 | '0', |
| 998 | { visible: false } |
| 999 | ); |
| 1000 | } |
| 1001 | if ( |
| 1002 | this.getSupervisionUrlOcppConfiguration() && |
| 1003 | !ChargingStationConfigurationUtils.getConfigurationKey(this, this.getSupervisionUrlOcppKey()) |
| 1004 | ) { |
| 1005 | ChargingStationConfigurationUtils.addConfigurationKey( |
| 1006 | this, |
| 1007 | this.getSupervisionUrlOcppKey(), |
| 1008 | this.configuredSupervisionUrl.href, |
| 1009 | { reboot: true } |
| 1010 | ); |
| 1011 | } else if ( |
| 1012 | !this.getSupervisionUrlOcppConfiguration() && |
| 1013 | ChargingStationConfigurationUtils.getConfigurationKey(this, this.getSupervisionUrlOcppKey()) |
| 1014 | ) { |
| 1015 | ChargingStationConfigurationUtils.deleteConfigurationKey( |
| 1016 | this, |
| 1017 | this.getSupervisionUrlOcppKey(), |
| 1018 | { save: false } |
| 1019 | ); |
| 1020 | } |
| 1021 | if ( |
| 1022 | this.stationInfo.amperageLimitationOcppKey && |
| 1023 | !ChargingStationConfigurationUtils.getConfigurationKey( |
| 1024 | this, |
| 1025 | this.stationInfo.amperageLimitationOcppKey |
| 1026 | ) |
| 1027 | ) { |
| 1028 | ChargingStationConfigurationUtils.addConfigurationKey( |
| 1029 | this, |
| 1030 | this.stationInfo.amperageLimitationOcppKey, |
| 1031 | ( |
| 1032 | this.stationInfo.maximumAmperage * |
| 1033 | ChargingStationUtils.getAmperageLimitationUnitDivider(this.stationInfo) |
| 1034 | ).toString() |
| 1035 | ); |
| 1036 | } |
| 1037 | if ( |
| 1038 | !ChargingStationConfigurationUtils.getConfigurationKey( |
| 1039 | this, |
| 1040 | StandardParametersKey.SupportedFeatureProfiles |
| 1041 | ) |
| 1042 | ) { |
| 1043 | ChargingStationConfigurationUtils.addConfigurationKey( |
| 1044 | this, |
| 1045 | StandardParametersKey.SupportedFeatureProfiles, |
| 1046 | `${SupportedFeatureProfiles.Core},${SupportedFeatureProfiles.FirmwareManagement},${SupportedFeatureProfiles.LocalAuthListManagement},${SupportedFeatureProfiles.SmartCharging},${SupportedFeatureProfiles.RemoteTrigger}` |
| 1047 | ); |
| 1048 | } |
| 1049 | ChargingStationConfigurationUtils.addConfigurationKey( |
| 1050 | this, |
| 1051 | StandardParametersKey.NumberOfConnectors, |
| 1052 | this.getNumberOfConnectors().toString(), |
| 1053 | { readonly: true }, |
| 1054 | { overwrite: true } |
| 1055 | ); |
| 1056 | if ( |
| 1057 | !ChargingStationConfigurationUtils.getConfigurationKey( |
| 1058 | this, |
| 1059 | StandardParametersKey.MeterValuesSampledData |
| 1060 | ) |
| 1061 | ) { |
| 1062 | ChargingStationConfigurationUtils.addConfigurationKey( |
| 1063 | this, |
| 1064 | StandardParametersKey.MeterValuesSampledData, |
| 1065 | MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER |
| 1066 | ); |
| 1067 | } |
| 1068 | if ( |
| 1069 | !ChargingStationConfigurationUtils.getConfigurationKey( |
| 1070 | this, |
| 1071 | StandardParametersKey.ConnectorPhaseRotation |
| 1072 | ) |
| 1073 | ) { |
| 1074 | const connectorPhaseRotation = []; |
| 1075 | for (const connectorId of this.connectors.keys()) { |
| 1076 | // AC/DC |
| 1077 | if (connectorId === 0 && this.getNumberOfPhases() === 0) { |
| 1078 | connectorPhaseRotation.push(`${connectorId}.${ConnectorPhaseRotation.RST}`); |
| 1079 | } else if (connectorId > 0 && this.getNumberOfPhases() === 0) { |
| 1080 | connectorPhaseRotation.push(`${connectorId}.${ConnectorPhaseRotation.NotApplicable}`); |
| 1081 | // AC |
| 1082 | } else if (connectorId > 0 && this.getNumberOfPhases() === 1) { |
| 1083 | connectorPhaseRotation.push(`${connectorId}.${ConnectorPhaseRotation.NotApplicable}`); |
| 1084 | } else if (connectorId > 0 && this.getNumberOfPhases() === 3) { |
| 1085 | connectorPhaseRotation.push(`${connectorId}.${ConnectorPhaseRotation.RST}`); |
| 1086 | } |
| 1087 | } |
| 1088 | ChargingStationConfigurationUtils.addConfigurationKey( |
| 1089 | this, |
| 1090 | StandardParametersKey.ConnectorPhaseRotation, |
| 1091 | connectorPhaseRotation.toString() |
| 1092 | ); |
| 1093 | } |
| 1094 | if ( |
| 1095 | !ChargingStationConfigurationUtils.getConfigurationKey( |
| 1096 | this, |
| 1097 | StandardParametersKey.AuthorizeRemoteTxRequests |
| 1098 | ) |
| 1099 | ) { |
| 1100 | ChargingStationConfigurationUtils.addConfigurationKey( |
| 1101 | this, |
| 1102 | StandardParametersKey.AuthorizeRemoteTxRequests, |
| 1103 | 'true' |
| 1104 | ); |
| 1105 | } |
| 1106 | if ( |
| 1107 | !ChargingStationConfigurationUtils.getConfigurationKey( |
| 1108 | this, |
| 1109 | StandardParametersKey.LocalAuthListEnabled |
| 1110 | ) && |
| 1111 | ChargingStationConfigurationUtils.getConfigurationKey( |
| 1112 | this, |
| 1113 | StandardParametersKey.SupportedFeatureProfiles |
| 1114 | )?.value.includes(SupportedFeatureProfiles.LocalAuthListManagement) |
| 1115 | ) { |
| 1116 | ChargingStationConfigurationUtils.addConfigurationKey( |
| 1117 | this, |
| 1118 | StandardParametersKey.LocalAuthListEnabled, |
| 1119 | 'false' |
| 1120 | ); |
| 1121 | } |
| 1122 | if ( |
| 1123 | !ChargingStationConfigurationUtils.getConfigurationKey( |
| 1124 | this, |
| 1125 | StandardParametersKey.ConnectionTimeOut |
| 1126 | ) |
| 1127 | ) { |
| 1128 | ChargingStationConfigurationUtils.addConfigurationKey( |
| 1129 | this, |
| 1130 | StandardParametersKey.ConnectionTimeOut, |
| 1131 | Constants.DEFAULT_CONNECTION_TIMEOUT.toString() |
| 1132 | ); |
| 1133 | } |
| 1134 | this.saveOcppConfiguration(); |
| 1135 | } |
| 1136 | |
| 1137 | private initializeConnectors( |
| 1138 | stationInfo: ChargingStationInfo, |
| 1139 | configuredMaxConnectors: number, |
| 1140 | templateMaxConnectors: number |
| 1141 | ): void { |
| 1142 | if (!stationInfo?.Connectors && this.connectors.size === 0) { |
| 1143 | const logMsg = `No already defined connectors and charging station information from template ${this.templateFile} with no connectors configuration defined`; |
| 1144 | logger.error(`${this.logPrefix()} ${logMsg}`); |
| 1145 | throw new BaseError(logMsg); |
| 1146 | } |
| 1147 | if (!stationInfo?.Connectors[0]) { |
| 1148 | logger.warn( |
| 1149 | `${this.logPrefix()} Charging station information from template ${ |
| 1150 | this.templateFile |
| 1151 | } with no connector Id 0 configuration` |
| 1152 | ); |
| 1153 | } |
| 1154 | if (stationInfo?.Connectors) { |
| 1155 | const connectorsConfigHash = crypto |
| 1156 | .createHash(Constants.DEFAULT_HASH_ALGORITHM) |
| 1157 | .update(JSON.stringify(stationInfo?.Connectors) + configuredMaxConnectors.toString()) |
| 1158 | .digest('hex'); |
| 1159 | const connectorsConfigChanged = |
| 1160 | this.connectors?.size !== 0 && this.connectorsConfigurationHash !== connectorsConfigHash; |
| 1161 | if (this.connectors?.size === 0 || connectorsConfigChanged) { |
| 1162 | connectorsConfigChanged && this.connectors.clear(); |
| 1163 | this.connectorsConfigurationHash = connectorsConfigHash; |
| 1164 | // Add connector Id 0 |
| 1165 | let lastConnector = '0'; |
| 1166 | for (lastConnector in stationInfo?.Connectors) { |
| 1167 | const lastConnectorId = Utils.convertToInt(lastConnector); |
| 1168 | if ( |
| 1169 | lastConnectorId === 0 && |
| 1170 | this.getUseConnectorId0(stationInfo) && |
| 1171 | stationInfo?.Connectors[lastConnector] |
| 1172 | ) { |
| 1173 | this.connectors.set( |
| 1174 | lastConnectorId, |
| 1175 | Utils.cloneObject<ConnectorStatus>(stationInfo?.Connectors[lastConnector]) |
| 1176 | ); |
| 1177 | this.getConnectorStatus(lastConnectorId).availability = AvailabilityType.OPERATIVE; |
| 1178 | if (Utils.isUndefined(this.getConnectorStatus(lastConnectorId)?.chargingProfiles)) { |
| 1179 | this.getConnectorStatus(lastConnectorId).chargingProfiles = []; |
| 1180 | } |
| 1181 | } |
| 1182 | } |
| 1183 | // Generate all connectors |
| 1184 | if ((stationInfo?.Connectors[0] ? templateMaxConnectors - 1 : templateMaxConnectors) > 0) { |
| 1185 | for (let index = 1; index <= configuredMaxConnectors; index++) { |
| 1186 | const randConnectorId = stationInfo?.randomConnectors |
| 1187 | ? Utils.getRandomInteger(Utils.convertToInt(lastConnector), 1) |
| 1188 | : index; |
| 1189 | this.connectors.set( |
| 1190 | index, |
| 1191 | Utils.cloneObject<ConnectorStatus>(stationInfo?.Connectors[randConnectorId]) |
| 1192 | ); |
| 1193 | this.getConnectorStatus(index).availability = AvailabilityType.OPERATIVE; |
| 1194 | if (Utils.isUndefined(this.getConnectorStatus(index)?.chargingProfiles)) { |
| 1195 | this.getConnectorStatus(index).chargingProfiles = []; |
| 1196 | } |
| 1197 | } |
| 1198 | } |
| 1199 | } |
| 1200 | } else { |
| 1201 | logger.warn( |
| 1202 | `${this.logPrefix()} Charging station information from template ${ |
| 1203 | this.templateFile |
| 1204 | } with no connectors configuration defined, using already defined connectors` |
| 1205 | ); |
| 1206 | } |
| 1207 | // Initialize transaction attributes on connectors |
| 1208 | for (const connectorId of this.connectors.keys()) { |
| 1209 | if (connectorId > 0 && !this.getConnectorStatus(connectorId)?.transactionStarted) { |
| 1210 | this.initializeConnectorStatus(connectorId); |
| 1211 | } |
| 1212 | } |
| 1213 | } |
| 1214 | |
| 1215 | private getConfigurationFromFile(): ChargingStationConfiguration | null { |
| 1216 | let configuration: ChargingStationConfiguration = null; |
| 1217 | if (this.configurationFile && fs.existsSync(this.configurationFile)) { |
| 1218 | try { |
| 1219 | if (this.sharedLRUCache.hasChargingStationConfiguration(this.configurationFileHash)) { |
| 1220 | configuration = this.sharedLRUCache.getChargingStationConfiguration( |
| 1221 | this.configurationFileHash |
| 1222 | ); |
| 1223 | } else { |
| 1224 | const measureId = `${FileType.ChargingStationConfiguration} read`; |
| 1225 | const beginId = PerformanceStatistics.beginMeasure(measureId); |
| 1226 | configuration = JSON.parse( |
| 1227 | fs.readFileSync(this.configurationFile, 'utf8') |
| 1228 | ) as ChargingStationConfiguration; |
| 1229 | PerformanceStatistics.endMeasure(measureId, beginId); |
| 1230 | this.configurationFileHash = configuration.configurationHash; |
| 1231 | this.sharedLRUCache.setChargingStationConfiguration(configuration); |
| 1232 | } |
| 1233 | } catch (error) { |
| 1234 | FileUtils.handleFileException( |
| 1235 | this.logPrefix(), |
| 1236 | FileType.ChargingStationConfiguration, |
| 1237 | this.configurationFile, |
| 1238 | error as NodeJS.ErrnoException |
| 1239 | ); |
| 1240 | } |
| 1241 | } |
| 1242 | return configuration; |
| 1243 | } |
| 1244 | |
| 1245 | private saveConfiguration(): void { |
| 1246 | if (this.configurationFile) { |
| 1247 | try { |
| 1248 | if (!fs.existsSync(path.dirname(this.configurationFile))) { |
| 1249 | fs.mkdirSync(path.dirname(this.configurationFile), { recursive: true }); |
| 1250 | } |
| 1251 | const configurationData: ChargingStationConfiguration = |
| 1252 | this.getConfigurationFromFile() ?? {}; |
| 1253 | this.ocppConfiguration?.configurationKey && |
| 1254 | (configurationData.configurationKey = this.ocppConfiguration.configurationKey); |
| 1255 | this.stationInfo && (configurationData.stationInfo = this.stationInfo); |
| 1256 | delete configurationData.configurationHash; |
| 1257 | const configurationHash = crypto |
| 1258 | .createHash(Constants.DEFAULT_HASH_ALGORITHM) |
| 1259 | .update(JSON.stringify(configurationData)) |
| 1260 | .digest('hex'); |
| 1261 | if (this.configurationFileHash !== configurationHash) { |
| 1262 | configurationData.configurationHash = configurationHash; |
| 1263 | const measureId = `${FileType.ChargingStationConfiguration} write`; |
| 1264 | const beginId = PerformanceStatistics.beginMeasure(measureId); |
| 1265 | const fileDescriptor = fs.openSync(this.configurationFile, 'w'); |
| 1266 | fs.writeFileSync(fileDescriptor, JSON.stringify(configurationData, null, 2), 'utf8'); |
| 1267 | fs.closeSync(fileDescriptor); |
| 1268 | PerformanceStatistics.endMeasure(measureId, beginId); |
| 1269 | this.sharedLRUCache.deleteChargingStationConfiguration(this.configurationFileHash); |
| 1270 | this.configurationFileHash = configurationHash; |
| 1271 | this.sharedLRUCache.setChargingStationConfiguration(configurationData); |
| 1272 | } else { |
| 1273 | logger.debug( |
| 1274 | `${this.logPrefix()} Not saving unchanged charging station configuration file ${ |
| 1275 | this.configurationFile |
| 1276 | }` |
| 1277 | ); |
| 1278 | } |
| 1279 | } catch (error) { |
| 1280 | FileUtils.handleFileException( |
| 1281 | this.logPrefix(), |
| 1282 | FileType.ChargingStationConfiguration, |
| 1283 | this.configurationFile, |
| 1284 | error as NodeJS.ErrnoException |
| 1285 | ); |
| 1286 | } |
| 1287 | } else { |
| 1288 | logger.error( |
| 1289 | `${this.logPrefix()} Trying to save charging station configuration to undefined configuration file` |
| 1290 | ); |
| 1291 | } |
| 1292 | } |
| 1293 | |
| 1294 | private getOcppConfigurationFromTemplate(): ChargingStationOcppConfiguration | null { |
| 1295 | return this.getTemplateFromFile()?.Configuration ?? null; |
| 1296 | } |
| 1297 | |
| 1298 | private getOcppConfigurationFromFile(): ChargingStationOcppConfiguration | null { |
| 1299 | let configuration: ChargingStationConfiguration = null; |
| 1300 | if (this.getOcppPersistentConfiguration()) { |
| 1301 | const configurationFromFile = this.getConfigurationFromFile(); |
| 1302 | configuration = configurationFromFile?.configurationKey && configurationFromFile; |
| 1303 | } |
| 1304 | configuration && delete configuration.stationInfo; |
| 1305 | return configuration; |
| 1306 | } |
| 1307 | |
| 1308 | private getOcppConfiguration(): ChargingStationOcppConfiguration | null { |
| 1309 | let ocppConfiguration: ChargingStationOcppConfiguration = this.getOcppConfigurationFromFile(); |
| 1310 | if (!ocppConfiguration) { |
| 1311 | ocppConfiguration = this.getOcppConfigurationFromTemplate(); |
| 1312 | } |
| 1313 | return ocppConfiguration; |
| 1314 | } |
| 1315 | |
| 1316 | private async onOpen(): Promise<void> { |
| 1317 | if (this.isWebSocketConnectionOpened()) { |
| 1318 | logger.info( |
| 1319 | `${this.logPrefix()} Connection to OCPP server through ${this.wsConnectionUrl.toString()} succeeded` |
| 1320 | ); |
| 1321 | if (!this.isRegistered()) { |
| 1322 | // Send BootNotification |
| 1323 | let registrationRetryCount = 0; |
| 1324 | do { |
| 1325 | this.bootNotificationResponse = await this.ocppRequestService.requestHandler< |
| 1326 | BootNotificationRequest, |
| 1327 | BootNotificationResponse |
| 1328 | >( |
| 1329 | this, |
| 1330 | RequestCommand.BOOT_NOTIFICATION, |
| 1331 | { |
| 1332 | chargePointModel: this.bootNotificationRequest.chargePointModel, |
| 1333 | chargePointVendor: this.bootNotificationRequest.chargePointVendor, |
| 1334 | chargeBoxSerialNumber: this.bootNotificationRequest.chargeBoxSerialNumber, |
| 1335 | firmwareVersion: this.bootNotificationRequest.firmwareVersion, |
| 1336 | chargePointSerialNumber: this.bootNotificationRequest.chargePointSerialNumber, |
| 1337 | iccid: this.bootNotificationRequest.iccid, |
| 1338 | imsi: this.bootNotificationRequest.imsi, |
| 1339 | meterSerialNumber: this.bootNotificationRequest.meterSerialNumber, |
| 1340 | meterType: this.bootNotificationRequest.meterType, |
| 1341 | }, |
| 1342 | { skipBufferingOnError: true } |
| 1343 | ); |
| 1344 | if (!this.isRegistered()) { |
| 1345 | this.getRegistrationMaxRetries() !== -1 && registrationRetryCount++; |
| 1346 | await Utils.sleep( |
| 1347 | this.bootNotificationResponse?.interval |
| 1348 | ? this.bootNotificationResponse.interval * 1000 |
| 1349 | : Constants.OCPP_DEFAULT_BOOT_NOTIFICATION_INTERVAL |
| 1350 | ); |
| 1351 | } |
| 1352 | } while ( |
| 1353 | !this.isRegistered() && |
| 1354 | (registrationRetryCount <= this.getRegistrationMaxRetries() || |
| 1355 | this.getRegistrationMaxRetries() === -1) |
| 1356 | ); |
| 1357 | } |
| 1358 | if (this.isRegistered()) { |
| 1359 | if (this.isInAcceptedState()) { |
| 1360 | await this.startMessageSequence(); |
| 1361 | this.wsConnectionRestarted && this.flushMessageBuffer(); |
| 1362 | } |
| 1363 | } else { |
| 1364 | logger.error( |
| 1365 | `${this.logPrefix()} Registration failure: max retries reached (${this.getRegistrationMaxRetries()}) or retry disabled (${this.getRegistrationMaxRetries()})` |
| 1366 | ); |
| 1367 | } |
| 1368 | this.stopped && (this.stopped = false); |
| 1369 | this.autoReconnectRetryCount = 0; |
| 1370 | this.wsConnectionRestarted = false; |
| 1371 | } else { |
| 1372 | logger.warn( |
| 1373 | `${this.logPrefix()} Connection to OCPP server through ${this.wsConnectionUrl.toString()} failed` |
| 1374 | ); |
| 1375 | } |
| 1376 | } |
| 1377 | |
| 1378 | private async onClose(code: number, reason: string): Promise<void> { |
| 1379 | switch (code) { |
| 1380 | // Normal close |
| 1381 | case WebSocketCloseEventStatusCode.CLOSE_NORMAL: |
| 1382 | case WebSocketCloseEventStatusCode.CLOSE_NO_STATUS: |
| 1383 | logger.info( |
| 1384 | `${this.logPrefix()} WebSocket normally closed with status '${ChargingStationUtils.getWebSocketCloseEventStatusString( |
| 1385 | code |
| 1386 | )}' and reason '${reason}'` |
| 1387 | ); |
| 1388 | this.autoReconnectRetryCount = 0; |
| 1389 | break; |
| 1390 | // Abnormal close |
| 1391 | default: |
| 1392 | logger.error( |
| 1393 | `${this.logPrefix()} WebSocket abnormally closed with status '${ChargingStationUtils.getWebSocketCloseEventStatusString( |
| 1394 | code |
| 1395 | )}' and reason '${reason}'` |
| 1396 | ); |
| 1397 | await this.reconnect(code); |
| 1398 | break; |
| 1399 | } |
| 1400 | } |
| 1401 | |
| 1402 | private async onMessage(data: Data): Promise<void> { |
| 1403 | let messageType: number; |
| 1404 | let messageId: string; |
| 1405 | let commandName: IncomingRequestCommand; |
| 1406 | let commandPayload: JsonType; |
| 1407 | let errorType: ErrorType; |
| 1408 | let errorMessage: string; |
| 1409 | let errorDetails: JsonType; |
| 1410 | let responseCallback: (payload: JsonType, requestPayload: JsonType) => void; |
| 1411 | let errorCallback: (error: OCPPError, requestStatistic?: boolean) => void; |
| 1412 | let requestCommandName: RequestCommand | IncomingRequestCommand; |
| 1413 | let requestPayload: JsonType; |
| 1414 | let cachedRequest: CachedRequest; |
| 1415 | let errMsg: string; |
| 1416 | try { |
| 1417 | const request = JSON.parse(data.toString()) as IncomingRequest | Response | ErrorResponse; |
| 1418 | if (Array.isArray(request) === true) { |
| 1419 | [messageType, messageId] = request; |
| 1420 | // Check the type of message |
| 1421 | switch (messageType) { |
| 1422 | // Incoming Message |
| 1423 | case MessageType.CALL_MESSAGE: |
| 1424 | [, , commandName, commandPayload] = request as IncomingRequest; |
| 1425 | if (this.getEnableStatistics()) { |
| 1426 | this.performanceStatistics.addRequestStatistic(commandName, messageType); |
| 1427 | } |
| 1428 | logger.debug( |
| 1429 | `${this.logPrefix()} << Command '${commandName}' received request payload: ${JSON.stringify( |
| 1430 | request |
| 1431 | )}` |
| 1432 | ); |
| 1433 | // Process the message |
| 1434 | await this.ocppIncomingRequestService.incomingRequestHandler( |
| 1435 | this, |
| 1436 | messageId, |
| 1437 | commandName, |
| 1438 | commandPayload |
| 1439 | ); |
| 1440 | break; |
| 1441 | // Outcome Message |
| 1442 | case MessageType.CALL_RESULT_MESSAGE: |
| 1443 | [, , commandPayload] = request as Response; |
| 1444 | if (!this.requests.has(messageId)) { |
| 1445 | // Error |
| 1446 | throw new OCPPError( |
| 1447 | ErrorType.INTERNAL_ERROR, |
| 1448 | `Response for unknown message id ${messageId}`, |
| 1449 | null, |
| 1450 | commandPayload |
| 1451 | ); |
| 1452 | } |
| 1453 | // Respond |
| 1454 | cachedRequest = this.requests.get(messageId); |
| 1455 | if (Array.isArray(cachedRequest) === true) { |
| 1456 | [responseCallback, , requestCommandName, requestPayload] = cachedRequest; |
| 1457 | } else { |
| 1458 | throw new OCPPError( |
| 1459 | ErrorType.PROTOCOL_ERROR, |
| 1460 | `Cached request for message id ${messageId} response is not an array`, |
| 1461 | null, |
| 1462 | cachedRequest as unknown as JsonType |
| 1463 | ); |
| 1464 | } |
| 1465 | logger.debug( |
| 1466 | `${this.logPrefix()} << Command '${ |
| 1467 | requestCommandName ?? 'unknown' |
| 1468 | }' received response payload: ${JSON.stringify(request)}` |
| 1469 | ); |
| 1470 | responseCallback(commandPayload, requestPayload); |
| 1471 | break; |
| 1472 | // Error Message |
| 1473 | case MessageType.CALL_ERROR_MESSAGE: |
| 1474 | [, , errorType, errorMessage, errorDetails] = request as ErrorResponse; |
| 1475 | if (!this.requests.has(messageId)) { |
| 1476 | // Error |
| 1477 | throw new OCPPError( |
| 1478 | ErrorType.INTERNAL_ERROR, |
| 1479 | `Error response for unknown message id ${messageId}`, |
| 1480 | null, |
| 1481 | { errorType, errorMessage, errorDetails } |
| 1482 | ); |
| 1483 | } |
| 1484 | cachedRequest = this.requests.get(messageId); |
| 1485 | if (Array.isArray(cachedRequest) === true) { |
| 1486 | [, errorCallback, requestCommandName] = cachedRequest; |
| 1487 | } else { |
| 1488 | throw new OCPPError( |
| 1489 | ErrorType.PROTOCOL_ERROR, |
| 1490 | `Cached request for message id ${messageId} error response is not an array`, |
| 1491 | null, |
| 1492 | cachedRequest as unknown as JsonType |
| 1493 | ); |
| 1494 | } |
| 1495 | logger.debug( |
| 1496 | `${this.logPrefix()} << Command '${ |
| 1497 | requestCommandName ?? 'unknown' |
| 1498 | }' received error payload: ${JSON.stringify(request)}` |
| 1499 | ); |
| 1500 | errorCallback(new OCPPError(errorType, errorMessage, requestCommandName, errorDetails)); |
| 1501 | break; |
| 1502 | // Error |
| 1503 | default: |
| 1504 | // eslint-disable-next-line @typescript-eslint/restrict-template-expressions |
| 1505 | errMsg = `Wrong message type ${messageType}`; |
| 1506 | logger.error(`${this.logPrefix()} ${errMsg}`); |
| 1507 | throw new OCPPError(ErrorType.PROTOCOL_ERROR, errMsg); |
| 1508 | } |
| 1509 | parentPort.postMessage(MessageChannelUtils.buildUpdatedMessage(this)); |
| 1510 | } else { |
| 1511 | throw new OCPPError(ErrorType.PROTOCOL_ERROR, 'Incoming message is not an array', null, { |
| 1512 | payload: request, |
| 1513 | }); |
| 1514 | } |
| 1515 | } catch (error) { |
| 1516 | // Log |
| 1517 | logger.error( |
| 1518 | `${this.logPrefix()} Incoming OCPP command '${ |
| 1519 | commandName ?? requestCommandName ?? null |
| 1520 | }' message '${data.toString()}' matching cached request '${JSON.stringify( |
| 1521 | this.requests.get(messageId) |
| 1522 | )}' processing error:`, |
| 1523 | error |
| 1524 | ); |
| 1525 | if (!(error instanceof OCPPError)) { |
| 1526 | logger.warn( |
| 1527 | `${this.logPrefix()} Error thrown at incoming OCPP command '${ |
| 1528 | commandName ?? requestCommandName ?? null |
| 1529 | }' message '${data.toString()}' handling is not an OCPPError:`, |
| 1530 | error |
| 1531 | ); |
| 1532 | } |
| 1533 | // Send error |
| 1534 | messageType === MessageType.CALL_MESSAGE && |
| 1535 | (await this.ocppRequestService.sendError( |
| 1536 | this, |
| 1537 | messageId, |
| 1538 | error as OCPPError, |
| 1539 | commandName ?? requestCommandName ?? null |
| 1540 | )); |
| 1541 | } |
| 1542 | } |
| 1543 | |
| 1544 | private onPing(): void { |
| 1545 | logger.debug(this.logPrefix() + ' Received a WS ping (rfc6455) from the server'); |
| 1546 | } |
| 1547 | |
| 1548 | private onPong(): void { |
| 1549 | logger.debug(this.logPrefix() + ' Received a WS pong (rfc6455) from the server'); |
| 1550 | } |
| 1551 | |
| 1552 | private onError(error: WSError): void { |
| 1553 | this.closeWSConnection(); |
| 1554 | logger.error(this.logPrefix() + ' WebSocket error:', error); |
| 1555 | } |
| 1556 | |
| 1557 | private getUseConnectorId0(stationInfo?: ChargingStationInfo): boolean | undefined { |
| 1558 | const localStationInfo = stationInfo ?? this.stationInfo; |
| 1559 | return !Utils.isUndefined(localStationInfo.useConnectorId0) |
| 1560 | ? localStationInfo.useConnectorId0 |
| 1561 | : true; |
| 1562 | } |
| 1563 | |
| 1564 | private getNumberOfRunningTransactions(): number { |
| 1565 | let trxCount = 0; |
| 1566 | for (const connectorId of this.connectors.keys()) { |
| 1567 | if (connectorId > 0 && this.getConnectorStatus(connectorId)?.transactionStarted) { |
| 1568 | trxCount++; |
| 1569 | } |
| 1570 | } |
| 1571 | return trxCount; |
| 1572 | } |
| 1573 | |
| 1574 | // 0 for disabling |
| 1575 | private getConnectionTimeout(): number | undefined { |
| 1576 | if ( |
| 1577 | ChargingStationConfigurationUtils.getConfigurationKey( |
| 1578 | this, |
| 1579 | StandardParametersKey.ConnectionTimeOut |
| 1580 | ) |
| 1581 | ) { |
| 1582 | return ( |
| 1583 | parseInt( |
| 1584 | ChargingStationConfigurationUtils.getConfigurationKey( |
| 1585 | this, |
| 1586 | StandardParametersKey.ConnectionTimeOut |
| 1587 | ).value |
| 1588 | ) ?? Constants.DEFAULT_CONNECTION_TIMEOUT |
| 1589 | ); |
| 1590 | } |
| 1591 | return Constants.DEFAULT_CONNECTION_TIMEOUT; |
| 1592 | } |
| 1593 | |
| 1594 | // -1 for unlimited, 0 for disabling |
| 1595 | private getAutoReconnectMaxRetries(): number | undefined { |
| 1596 | if (!Utils.isUndefined(this.stationInfo.autoReconnectMaxRetries)) { |
| 1597 | return this.stationInfo.autoReconnectMaxRetries; |
| 1598 | } |
| 1599 | if (!Utils.isUndefined(Configuration.getAutoReconnectMaxRetries())) { |
| 1600 | return Configuration.getAutoReconnectMaxRetries(); |
| 1601 | } |
| 1602 | return -1; |
| 1603 | } |
| 1604 | |
| 1605 | // 0 for disabling |
| 1606 | private getRegistrationMaxRetries(): number | undefined { |
| 1607 | if (!Utils.isUndefined(this.stationInfo.registrationMaxRetries)) { |
| 1608 | return this.stationInfo.registrationMaxRetries; |
| 1609 | } |
| 1610 | return -1; |
| 1611 | } |
| 1612 | |
| 1613 | private getPowerDivider(): number { |
| 1614 | let powerDivider = this.getNumberOfConnectors(); |
| 1615 | if (this.stationInfo?.powerSharedByConnectors) { |
| 1616 | powerDivider = this.getNumberOfRunningTransactions(); |
| 1617 | } |
| 1618 | return powerDivider; |
| 1619 | } |
| 1620 | |
| 1621 | private getMaximumPower(stationInfo?: ChargingStationInfo): number { |
| 1622 | const localStationInfo = stationInfo ?? this.stationInfo; |
| 1623 | return (localStationInfo['maxPower'] as number) ?? localStationInfo.maximumPower; |
| 1624 | } |
| 1625 | |
| 1626 | private getMaximumAmperage(stationInfo: ChargingStationInfo): number | undefined { |
| 1627 | const maximumPower = this.getMaximumPower(stationInfo); |
| 1628 | switch (this.getCurrentOutType(stationInfo)) { |
| 1629 | case CurrentType.AC: |
| 1630 | return ACElectricUtils.amperagePerPhaseFromPower( |
| 1631 | this.getNumberOfPhases(stationInfo), |
| 1632 | maximumPower / this.getNumberOfConnectors(), |
| 1633 | this.getVoltageOut(stationInfo) |
| 1634 | ); |
| 1635 | case CurrentType.DC: |
| 1636 | return DCElectricUtils.amperage(maximumPower, this.getVoltageOut(stationInfo)); |
| 1637 | } |
| 1638 | } |
| 1639 | |
| 1640 | private getAmperageLimitation(): number | undefined { |
| 1641 | if ( |
| 1642 | this.stationInfo.amperageLimitationOcppKey && |
| 1643 | ChargingStationConfigurationUtils.getConfigurationKey( |
| 1644 | this, |
| 1645 | this.stationInfo.amperageLimitationOcppKey |
| 1646 | ) |
| 1647 | ) { |
| 1648 | return ( |
| 1649 | Utils.convertToInt( |
| 1650 | ChargingStationConfigurationUtils.getConfigurationKey( |
| 1651 | this, |
| 1652 | this.stationInfo.amperageLimitationOcppKey |
| 1653 | ).value |
| 1654 | ) / ChargingStationUtils.getAmperageLimitationUnitDivider(this.stationInfo) |
| 1655 | ); |
| 1656 | } |
| 1657 | } |
| 1658 | |
| 1659 | private async startMessageSequence(): Promise<void> { |
| 1660 | if (this.stationInfo?.autoRegister) { |
| 1661 | await this.ocppRequestService.requestHandler< |
| 1662 | BootNotificationRequest, |
| 1663 | BootNotificationResponse |
| 1664 | >( |
| 1665 | this, |
| 1666 | RequestCommand.BOOT_NOTIFICATION, |
| 1667 | { |
| 1668 | chargePointModel: this.bootNotificationRequest.chargePointModel, |
| 1669 | chargePointVendor: this.bootNotificationRequest.chargePointVendor, |
| 1670 | chargeBoxSerialNumber: this.bootNotificationRequest.chargeBoxSerialNumber, |
| 1671 | firmwareVersion: this.bootNotificationRequest.firmwareVersion, |
| 1672 | chargePointSerialNumber: this.bootNotificationRequest.chargePointSerialNumber, |
| 1673 | iccid: this.bootNotificationRequest.iccid, |
| 1674 | imsi: this.bootNotificationRequest.imsi, |
| 1675 | meterSerialNumber: this.bootNotificationRequest.meterSerialNumber, |
| 1676 | meterType: this.bootNotificationRequest.meterType, |
| 1677 | }, |
| 1678 | { skipBufferingOnError: true } |
| 1679 | ); |
| 1680 | } |
| 1681 | // Start WebSocket ping |
| 1682 | this.startWebSocketPing(); |
| 1683 | // Start heartbeat |
| 1684 | this.startHeartbeat(); |
| 1685 | // Initialize connectors status |
| 1686 | for (const connectorId of this.connectors.keys()) { |
| 1687 | if (connectorId === 0) { |
| 1688 | continue; |
| 1689 | } else if ( |
| 1690 | !this.stopped && |
| 1691 | !this.getConnectorStatus(connectorId)?.status && |
| 1692 | this.getConnectorStatus(connectorId)?.bootStatus |
| 1693 | ) { |
| 1694 | // Send status in template at startup |
| 1695 | await this.ocppRequestService.requestHandler< |
| 1696 | StatusNotificationRequest, |
| 1697 | StatusNotificationResponse |
| 1698 | >(this, RequestCommand.STATUS_NOTIFICATION, { |
| 1699 | connectorId, |
| 1700 | status: this.getConnectorStatus(connectorId).bootStatus, |
| 1701 | errorCode: ChargePointErrorCode.NO_ERROR, |
| 1702 | }); |
| 1703 | this.getConnectorStatus(connectorId).status = |
| 1704 | this.getConnectorStatus(connectorId).bootStatus; |
| 1705 | } else if ( |
| 1706 | this.stopped && |
| 1707 | this.getConnectorStatus(connectorId)?.status && |
| 1708 | this.getConnectorStatus(connectorId)?.bootStatus |
| 1709 | ) { |
| 1710 | // Send status in template after reset |
| 1711 | await this.ocppRequestService.requestHandler< |
| 1712 | StatusNotificationRequest, |
| 1713 | StatusNotificationResponse |
| 1714 | >(this, RequestCommand.STATUS_NOTIFICATION, { |
| 1715 | connectorId, |
| 1716 | status: this.getConnectorStatus(connectorId).bootStatus, |
| 1717 | errorCode: ChargePointErrorCode.NO_ERROR, |
| 1718 | }); |
| 1719 | this.getConnectorStatus(connectorId).status = |
| 1720 | this.getConnectorStatus(connectorId).bootStatus; |
| 1721 | } else if (!this.stopped && this.getConnectorStatus(connectorId)?.status) { |
| 1722 | // Send previous status at template reload |
| 1723 | await this.ocppRequestService.requestHandler< |
| 1724 | StatusNotificationRequest, |
| 1725 | StatusNotificationResponse |
| 1726 | >(this, RequestCommand.STATUS_NOTIFICATION, { |
| 1727 | connectorId, |
| 1728 | status: this.getConnectorStatus(connectorId).status, |
| 1729 | errorCode: ChargePointErrorCode.NO_ERROR, |
| 1730 | }); |
| 1731 | } else { |
| 1732 | // Send default status |
| 1733 | await this.ocppRequestService.requestHandler< |
| 1734 | StatusNotificationRequest, |
| 1735 | StatusNotificationResponse |
| 1736 | >(this, RequestCommand.STATUS_NOTIFICATION, { |
| 1737 | connectorId, |
| 1738 | status: ChargePointStatus.AVAILABLE, |
| 1739 | errorCode: ChargePointErrorCode.NO_ERROR, |
| 1740 | }); |
| 1741 | this.getConnectorStatus(connectorId).status = ChargePointStatus.AVAILABLE; |
| 1742 | } |
| 1743 | } |
| 1744 | // Start the ATG |
| 1745 | this.startAutomaticTransactionGenerator(); |
| 1746 | } |
| 1747 | |
| 1748 | private startAutomaticTransactionGenerator() { |
| 1749 | if (this.getAutomaticTransactionGeneratorConfigurationFromTemplate()?.enable) { |
| 1750 | if (!this.automaticTransactionGenerator) { |
| 1751 | this.automaticTransactionGenerator = AutomaticTransactionGenerator.getInstance( |
| 1752 | this.getAutomaticTransactionGeneratorConfigurationFromTemplate(), |
| 1753 | this |
| 1754 | ); |
| 1755 | } |
| 1756 | if (!this.automaticTransactionGenerator.started) { |
| 1757 | this.automaticTransactionGenerator.start(); |
| 1758 | } |
| 1759 | } |
| 1760 | } |
| 1761 | |
| 1762 | private stopAutomaticTransactionGenerator(): void { |
| 1763 | if (this.automaticTransactionGenerator?.started) { |
| 1764 | this.automaticTransactionGenerator.stop(); |
| 1765 | this.automaticTransactionGenerator = null; |
| 1766 | } |
| 1767 | } |
| 1768 | |
| 1769 | private async stopMessageSequence( |
| 1770 | reason: StopTransactionReason = StopTransactionReason.NONE |
| 1771 | ): Promise<void> { |
| 1772 | // Stop WebSocket ping |
| 1773 | this.stopWebSocketPing(); |
| 1774 | // Stop heartbeat |
| 1775 | this.stopHeartbeat(); |
| 1776 | // Stop ongoing transactions |
| 1777 | if (this.automaticTransactionGenerator?.configuration?.enable) { |
| 1778 | this.stopAutomaticTransactionGenerator(); |
| 1779 | } else { |
| 1780 | for (const connectorId of this.connectors.keys()) { |
| 1781 | if (connectorId > 0 && this.getConnectorStatus(connectorId)?.transactionStarted) { |
| 1782 | const transactionId = this.getConnectorStatus(connectorId).transactionId; |
| 1783 | if ( |
| 1784 | this.getBeginEndMeterValues() && |
| 1785 | this.getOcppStrictCompliance() && |
| 1786 | !this.getOutOfOrderEndMeterValues() |
| 1787 | ) { |
| 1788 | // FIXME: Implement OCPP version agnostic helpers |
| 1789 | const transactionEndMeterValue = OCPP16ServiceUtils.buildTransactionEndMeterValue( |
| 1790 | this, |
| 1791 | connectorId, |
| 1792 | this.getEnergyActiveImportRegisterByTransactionId(transactionId) |
| 1793 | ); |
| 1794 | await this.ocppRequestService.requestHandler<MeterValuesRequest, MeterValuesResponse>( |
| 1795 | this, |
| 1796 | RequestCommand.METER_VALUES, |
| 1797 | { |
| 1798 | connectorId, |
| 1799 | transactionId, |
| 1800 | meterValue: [transactionEndMeterValue], |
| 1801 | } |
| 1802 | ); |
| 1803 | } |
| 1804 | await this.ocppRequestService.requestHandler< |
| 1805 | StopTransactionRequest, |
| 1806 | StopTransactionResponse |
| 1807 | >(this, RequestCommand.STOP_TRANSACTION, { |
| 1808 | transactionId, |
| 1809 | meterStop: this.getEnergyActiveImportRegisterByTransactionId(transactionId), |
| 1810 | idTag: this.getTransactionIdTag(transactionId), |
| 1811 | reason, |
| 1812 | }); |
| 1813 | } |
| 1814 | } |
| 1815 | } |
| 1816 | } |
| 1817 | |
| 1818 | private startWebSocketPing(): void { |
| 1819 | const webSocketPingInterval: number = ChargingStationConfigurationUtils.getConfigurationKey( |
| 1820 | this, |
| 1821 | StandardParametersKey.WebSocketPingInterval |
| 1822 | ) |
| 1823 | ? Utils.convertToInt( |
| 1824 | ChargingStationConfigurationUtils.getConfigurationKey( |
| 1825 | this, |
| 1826 | StandardParametersKey.WebSocketPingInterval |
| 1827 | ).value |
| 1828 | ) |
| 1829 | : 0; |
| 1830 | if (webSocketPingInterval > 0 && !this.webSocketPingSetInterval) { |
| 1831 | this.webSocketPingSetInterval = setInterval(() => { |
| 1832 | if (this.isWebSocketConnectionOpened()) { |
| 1833 | this.wsConnection.ping((): void => { |
| 1834 | /* This is intentional */ |
| 1835 | }); |
| 1836 | } |
| 1837 | }, webSocketPingInterval * 1000); |
| 1838 | logger.info( |
| 1839 | this.logPrefix() + |
| 1840 | ' WebSocket ping started every ' + |
| 1841 | Utils.formatDurationSeconds(webSocketPingInterval) |
| 1842 | ); |
| 1843 | } else if (this.webSocketPingSetInterval) { |
| 1844 | logger.info( |
| 1845 | this.logPrefix() + |
| 1846 | ' WebSocket ping every ' + |
| 1847 | Utils.formatDurationSeconds(webSocketPingInterval) + |
| 1848 | ' already started' |
| 1849 | ); |
| 1850 | } else { |
| 1851 | logger.error( |
| 1852 | `${this.logPrefix()} WebSocket ping interval set to ${ |
| 1853 | webSocketPingInterval |
| 1854 | ? Utils.formatDurationSeconds(webSocketPingInterval) |
| 1855 | : webSocketPingInterval |
| 1856 | }, not starting the WebSocket ping` |
| 1857 | ); |
| 1858 | } |
| 1859 | } |
| 1860 | |
| 1861 | private stopWebSocketPing(): void { |
| 1862 | if (this.webSocketPingSetInterval) { |
| 1863 | clearInterval(this.webSocketPingSetInterval); |
| 1864 | } |
| 1865 | } |
| 1866 | |
| 1867 | private getConfiguredSupervisionUrl(): URL { |
| 1868 | const supervisionUrls = Utils.cloneObject<string | string[]>( |
| 1869 | this.stationInfo.supervisionUrls ?? Configuration.getSupervisionUrls() |
| 1870 | ); |
| 1871 | if (!Utils.isEmptyArray(supervisionUrls)) { |
| 1872 | let urlIndex = 0; |
| 1873 | switch (Configuration.getSupervisionUrlDistribution()) { |
| 1874 | case SupervisionUrlDistribution.ROUND_ROBIN: |
| 1875 | urlIndex = (this.index - 1) % supervisionUrls.length; |
| 1876 | break; |
| 1877 | case SupervisionUrlDistribution.RANDOM: |
| 1878 | // Get a random url |
| 1879 | urlIndex = Math.floor(Utils.secureRandom() * supervisionUrls.length); |
| 1880 | break; |
| 1881 | case SupervisionUrlDistribution.SEQUENTIAL: |
| 1882 | if (this.index <= supervisionUrls.length) { |
| 1883 | urlIndex = this.index - 1; |
| 1884 | } else { |
| 1885 | logger.warn( |
| 1886 | `${this.logPrefix()} No more configured supervision urls available, using the first one` |
| 1887 | ); |
| 1888 | } |
| 1889 | break; |
| 1890 | default: |
| 1891 | logger.error( |
| 1892 | `${this.logPrefix()} Unknown supervision url distribution '${Configuration.getSupervisionUrlDistribution()}' from values '${SupervisionUrlDistribution.toString()}', defaulting to ${ |
| 1893 | SupervisionUrlDistribution.ROUND_ROBIN |
| 1894 | }` |
| 1895 | ); |
| 1896 | urlIndex = (this.index - 1) % supervisionUrls.length; |
| 1897 | break; |
| 1898 | } |
| 1899 | return new URL(supervisionUrls[urlIndex]); |
| 1900 | } |
| 1901 | return new URL(supervisionUrls as string); |
| 1902 | } |
| 1903 | |
| 1904 | private getHeartbeatInterval(): number | undefined { |
| 1905 | const HeartbeatInterval = ChargingStationConfigurationUtils.getConfigurationKey( |
| 1906 | this, |
| 1907 | StandardParametersKey.HeartbeatInterval |
| 1908 | ); |
| 1909 | if (HeartbeatInterval) { |
| 1910 | return Utils.convertToInt(HeartbeatInterval.value) * 1000; |
| 1911 | } |
| 1912 | const HeartBeatInterval = ChargingStationConfigurationUtils.getConfigurationKey( |
| 1913 | this, |
| 1914 | StandardParametersKey.HeartBeatInterval |
| 1915 | ); |
| 1916 | if (HeartBeatInterval) { |
| 1917 | return Utils.convertToInt(HeartBeatInterval.value) * 1000; |
| 1918 | } |
| 1919 | !this.stationInfo?.autoRegister && |
| 1920 | logger.warn( |
| 1921 | `${this.logPrefix()} Heartbeat interval configuration key not set, using default value: ${ |
| 1922 | Constants.DEFAULT_HEARTBEAT_INTERVAL |
| 1923 | }` |
| 1924 | ); |
| 1925 | return Constants.DEFAULT_HEARTBEAT_INTERVAL; |
| 1926 | } |
| 1927 | |
| 1928 | private stopHeartbeat(): void { |
| 1929 | if (this.heartbeatSetInterval) { |
| 1930 | clearInterval(this.heartbeatSetInterval); |
| 1931 | } |
| 1932 | } |
| 1933 | |
| 1934 | private terminateWSConnection(): void { |
| 1935 | if (this.isWebSocketConnectionOpened()) { |
| 1936 | this.wsConnection.terminate(); |
| 1937 | this.wsConnection = null; |
| 1938 | } |
| 1939 | } |
| 1940 | |
| 1941 | private stopMeterValues(connectorId: number) { |
| 1942 | if (this.getConnectorStatus(connectorId)?.transactionSetInterval) { |
| 1943 | clearInterval(this.getConnectorStatus(connectorId).transactionSetInterval); |
| 1944 | } |
| 1945 | } |
| 1946 | |
| 1947 | private getReconnectExponentialDelay(): boolean | undefined { |
| 1948 | return !Utils.isUndefined(this.stationInfo.reconnectExponentialDelay) |
| 1949 | ? this.stationInfo.reconnectExponentialDelay |
| 1950 | : false; |
| 1951 | } |
| 1952 | |
| 1953 | private async reconnect(code: number): Promise<void> { |
| 1954 | // Stop WebSocket ping |
| 1955 | this.stopWebSocketPing(); |
| 1956 | // Stop heartbeat |
| 1957 | this.stopHeartbeat(); |
| 1958 | // Stop the ATG if needed |
| 1959 | if (this.automaticTransactionGenerator?.configuration?.stopOnConnectionFailure) { |
| 1960 | this.stopAutomaticTransactionGenerator(); |
| 1961 | } |
| 1962 | if ( |
| 1963 | this.autoReconnectRetryCount < this.getAutoReconnectMaxRetries() || |
| 1964 | this.getAutoReconnectMaxRetries() === -1 |
| 1965 | ) { |
| 1966 | this.autoReconnectRetryCount++; |
| 1967 | const reconnectDelay = this.getReconnectExponentialDelay() |
| 1968 | ? Utils.exponentialDelay(this.autoReconnectRetryCount) |
| 1969 | : this.getConnectionTimeout() * 1000; |
| 1970 | const reconnectDelayWithdraw = 1000; |
| 1971 | const reconnectTimeout = |
| 1972 | reconnectDelay && reconnectDelay - reconnectDelayWithdraw > 0 |
| 1973 | ? reconnectDelay - reconnectDelayWithdraw |
| 1974 | : 0; |
| 1975 | logger.error( |
| 1976 | `${this.logPrefix()} WebSocket: connection retry in ${Utils.roundTo( |
| 1977 | reconnectDelay, |
| 1978 | 2 |
| 1979 | )}ms, timeout ${reconnectTimeout}ms` |
| 1980 | ); |
| 1981 | await Utils.sleep(reconnectDelay); |
| 1982 | logger.error( |
| 1983 | this.logPrefix() + |
| 1984 | ' WebSocket: reconnecting try #' + |
| 1985 | this.autoReconnectRetryCount.toString() |
| 1986 | ); |
| 1987 | this.openWSConnection( |
| 1988 | { ...(this.stationInfo?.wsOptions ?? {}), handshakeTimeout: reconnectTimeout }, |
| 1989 | { closeOpened: true } |
| 1990 | ); |
| 1991 | this.wsConnectionRestarted = true; |
| 1992 | } else if (this.getAutoReconnectMaxRetries() !== -1) { |
| 1993 | logger.error( |
| 1994 | `${this.logPrefix()} WebSocket reconnect failure: maximum retries reached (${ |
| 1995 | this.autoReconnectRetryCount |
| 1996 | }) or retry disabled (${this.getAutoReconnectMaxRetries()})` |
| 1997 | ); |
| 1998 | } |
| 1999 | } |
| 2000 | |
| 2001 | private getAutomaticTransactionGeneratorConfigurationFromTemplate(): AutomaticTransactionGeneratorConfiguration | null { |
| 2002 | return this.getTemplateFromFile()?.AutomaticTransactionGenerator ?? null; |
| 2003 | } |
| 2004 | |
| 2005 | private initializeConnectorStatus(connectorId: number): void { |
| 2006 | this.getConnectorStatus(connectorId).idTagLocalAuthorized = false; |
| 2007 | this.getConnectorStatus(connectorId).idTagAuthorized = false; |
| 2008 | this.getConnectorStatus(connectorId).transactionRemoteStarted = false; |
| 2009 | this.getConnectorStatus(connectorId).transactionStarted = false; |
| 2010 | this.getConnectorStatus(connectorId).energyActiveImportRegisterValue = 0; |
| 2011 | this.getConnectorStatus(connectorId).transactionEnergyActiveImportRegisterValue = 0; |
| 2012 | } |
| 2013 | } |