X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;f=src%2Fcharging-station%2FChargingStation.ts;h=0a3d544a01260c2d051b5f649010aaaa88146c05;hb=a78ef5ed1052d9cc77435e2dce4aea89442824ee;hp=d7dcdceec9428543c5957738912b541a61d47ddd;hpb=ee5f26a24666fb2cef25a4beb8fee27a1b4fcd94;p=e-mobility-charging-stations-simulator.git diff --git a/src/charging-station/ChargingStation.ts b/src/charging-station/ChargingStation.ts index d7dcdcee..96bf6c1b 100644 --- a/src/charging-station/ChargingStation.ts +++ b/src/charging-station/ChargingStation.ts @@ -1,181 +1,196 @@ -// Partial Copyright Jerome Benoit. 2021. All Rights Reserved. - -import crypto from 'crypto'; -import fs from 'fs'; -import path from 'path'; -import { URL } from 'url'; -import { parentPort } from 'worker_threads'; - -import WebSocket, { Data, RawData } from 'ws'; - -import BaseError from '../exception/BaseError'; -import OCPPError from '../exception/OCPPError'; -import PerformanceStatistics from '../performance/PerformanceStatistics'; -import { AutomaticTransactionGeneratorConfiguration } from '../types/AutomaticTransactionGenerator'; -import ChargingStationConfiguration from '../types/ChargingStationConfiguration'; -import ChargingStationInfo from '../types/ChargingStationInfo'; -import ChargingStationOcppConfiguration from '../types/ChargingStationOcppConfiguration'; -import ChargingStationTemplate, { - CurrentType, - PowerUnits, - WsOptions, -} from '../types/ChargingStationTemplate'; -import { ChargingStationWorkerMessageEvents } from '../types/ChargingStationWorker'; -import { SupervisionUrlDistribution } from '../types/ConfigurationData'; -import { ConnectorStatus } from '../types/ConnectorStatus'; -import { FileType } from '../types/FileType'; -import { JsonType } from '../types/JsonType'; -import { ChargePointErrorCode } from '../types/ocpp/ChargePointErrorCode'; -import { ChargePointStatus } from '../types/ocpp/ChargePointStatus'; -import { ChargingProfile, ChargingRateUnitType } from '../types/ocpp/ChargingProfile'; +// Partial Copyright Jerome Benoit. 2021-2023. All Rights Reserved. + +import crypto from 'node:crypto'; +import fs from 'node:fs'; +import path from 'node:path'; +import { URL } from 'node:url'; +import { parentPort } from 'node:worker_threads'; + +import merge from 'just-merge'; +import WebSocket, { type RawData } from 'ws'; + import { - ConnectorPhaseRotation, - StandardParametersKey, - SupportedFeatureProfiles, - VendorDefaultParametersKey, -} from '../types/ocpp/Configuration'; -import { ErrorType } from '../types/ocpp/ErrorType'; -import { MessageType } from '../types/ocpp/MessageType'; -import { MeterValue, MeterValueMeasurand } from '../types/ocpp/MeterValues'; -import { OCPPVersion } from '../types/ocpp/OCPPVersion'; + AutomaticTransactionGenerator, + ChargingStationConfigurationUtils, + ChargingStationUtils, + ChargingStationWorkerBroadcastChannel, + IdTagsCache, + MessageChannelUtils, + SharedLRUCache, +} from './internal'; +import { + // OCPP16IncomingRequestService, + OCPP16RequestService, + // OCPP16ResponseService, + OCPP16ServiceUtils, + OCPP20IncomingRequestService, + OCPP20RequestService, + // OCPP20ResponseService, + type OCPPIncomingRequestService, + type OCPPRequestService, + // OCPPServiceUtils, +} from './ocpp'; +import { OCPP16IncomingRequestService } from './ocpp/1.6/OCPP16IncomingRequestService'; +import { OCPP16ResponseService } from './ocpp/1.6/OCPP16ResponseService'; +import { OCPP20ResponseService } from './ocpp/2.0/OCPP20ResponseService'; +import { OCPPServiceUtils } from './ocpp/OCPPServiceUtils'; +import { BaseError, OCPPError } from '../exception'; +import { PerformanceStatistics } from '../performance'; import { + type AutomaticTransactionGeneratorConfiguration, AvailabilityType, - BootNotificationRequest, - CachedRequest, - HeartbeatRequest, - IncomingRequest, - IncomingRequestCommand, - MeterValuesRequest, + type BootNotificationRequest, + type BootNotificationResponse, + type CachedRequest, + type ChargingStationConfiguration, + type ChargingStationInfo, + type ChargingStationOcppConfiguration, + type ChargingStationTemplate, + ConnectorPhaseRotation, + type ConnectorStatus, + ConnectorStatusEnum, + CurrentType, + type ErrorCallback, + type ErrorResponse, + ErrorType, + type EvseStatus, + FileType, + FirmwareStatus, + type FirmwareStatusNotificationRequest, + type FirmwareStatusNotificationResponse, + type FirmwareUpgrade, + type HeartbeatRequest, + type HeartbeatResponse, + type IncomingRequest, + type IncomingRequestCommand, + type JsonType, + MessageType, + type MeterValue, + MeterValueMeasurand, + type MeterValuesRequest, + type MeterValuesResponse, + OCPPVersion, + type OutgoingRequest, + PowerUnits, + RegistrationStatusEnumType, RequestCommand, - StatusNotificationRequest, -} from '../types/ocpp/Requests'; -import { - BootNotificationResponse, - ErrorResponse, - HeartbeatResponse, - MeterValuesResponse, - RegistrationStatus, - Response, - StatusNotificationResponse, -} from '../types/ocpp/Responses'; -import { + type Response, + StandardParametersKey, + type StatusNotificationRequest, + type StatusNotificationResponse, StopTransactionReason, - StopTransactionRequest, - StopTransactionResponse, -} from '../types/ocpp/Transaction'; -import { WSError, WebSocketCloseEventStatusCode } from '../types/WebSocket'; -import Configuration from '../utils/Configuration'; -import Constants from '../utils/Constants'; -import { ACElectricUtils, DCElectricUtils } from '../utils/ElectricUtils'; -import FileUtils from '../utils/FileUtils'; -import logger from '../utils/Logger'; -import Utils from '../utils/Utils'; -import AuthorizedTagsCache from './AuthorizedTagsCache'; -import AutomaticTransactionGenerator from './AutomaticTransactionGenerator'; -import { ChargingStationConfigurationUtils } from './ChargingStationConfigurationUtils'; -import { ChargingStationUtils } from './ChargingStationUtils'; -import OCPP16IncomingRequestService from './ocpp/1.6/OCPP16IncomingRequestService'; -import OCPP16RequestService from './ocpp/1.6/OCPP16RequestService'; -import OCPP16ResponseService from './ocpp/1.6/OCPP16ResponseService'; -import { OCPP16ServiceUtils } from './ocpp/1.6/OCPP16ServiceUtils'; -import OCPPIncomingRequestService from './ocpp/OCPPIncomingRequestService'; -import OCPPRequestService from './ocpp/OCPPRequestService'; -import SharedLRUCache from './SharedLRUCache'; - -export default class ChargingStation { - public hashId!: string; + type StopTransactionRequest, + type StopTransactionResponse, + SupervisionUrlDistribution, + SupportedFeatureProfiles, + VendorParametersKey, + type WSError, + WebSocketCloseEventStatusCode, + type WsOptions, +} from '../types'; +import { + ACElectricUtils, + Configuration, + Constants, + DCElectricUtils, + FileUtils, + Utils, + logger, +} from '../utils'; + +export class ChargingStation { + public readonly index: number; public readonly templateFile: string; - public authorizedTagsCache: AuthorizedTagsCache; public stationInfo!: ChargingStationInfo; + public started: boolean; + public starting: boolean; + public idTagsCache: IdTagsCache; + public automaticTransactionGenerator!: AutomaticTransactionGenerator | undefined; + public ocppConfiguration!: ChargingStationOcppConfiguration | undefined; + public wsConnection!: WebSocket | null; public readonly connectors: Map; - public ocppConfiguration!: ChargingStationOcppConfiguration; - public wsConnection!: WebSocket; + public readonly evses: Map; public readonly requests: Map; - public performanceStatistics!: PerformanceStatistics; + public performanceStatistics!: PerformanceStatistics | undefined; public heartbeatSetInterval!: NodeJS.Timeout; public ocppRequestService!: OCPPRequestService; - public bootNotificationResponse!: BootNotificationResponse | null; + public bootNotificationRequest!: BootNotificationRequest; + public bootNotificationResponse!: BootNotificationResponse | undefined; public powerDivider!: number; - private readonly index: number; + private stopping: boolean; private configurationFile!: string; private configurationFileHash!: string; - private bootNotificationRequest!: BootNotificationRequest; private connectorsConfigurationHash!: string; + private evsesConfigurationHash!: string; private ocppIncomingRequestService!: OCPPIncomingRequestService; private readonly messageBuffer: Set; private configuredSupervisionUrl!: URL; private wsConnectionRestarted: boolean; private autoReconnectRetryCount: number; - private stopped: boolean; - private templateFileWatcher!: fs.FSWatcher; + private templateFileWatcher!: fs.FSWatcher | undefined; private readonly sharedLRUCache: SharedLRUCache; - private automaticTransactionGenerator!: AutomaticTransactionGenerator; private webSocketPingSetInterval!: NodeJS.Timeout; + private readonly chargingStationWorkerBroadcastChannel: ChargingStationWorkerBroadcastChannel; constructor(index: number, templateFile: string) { - this.index = index; - this.templateFile = templateFile; - this.stopped = false; + this.started = false; + this.starting = false; + this.stopping = false; this.wsConnectionRestarted = false; this.autoReconnectRetryCount = 0; - this.sharedLRUCache = SharedLRUCache.getInstance(); - this.authorizedTagsCache = AuthorizedTagsCache.getInstance(); + this.index = index; + this.templateFile = templateFile; this.connectors = new Map(); + this.evses = new Map(); this.requests = new Map(); this.messageBuffer = new Set(); + this.sharedLRUCache = SharedLRUCache.getInstance(); + this.idTagsCache = IdTagsCache.getInstance(); + this.chargingStationWorkerBroadcastChannel = new ChargingStationWorkerBroadcastChannel(this); + this.initialize(); } private get wsConnectionUrl(): URL { return new URL( - (this.getSupervisionUrlOcppConfiguration() - ? ChargingStationConfigurationUtils.getConfigurationKey( - this, - this.getSupervisionUrlOcppKey() - ).value - : this.configuredSupervisionUrl.href) + - '/' + - this.stationInfo.chargingStationId + `${ + this.getSupervisionUrlOcppConfiguration() && + Utils.isNotEmptyString(this.getSupervisionUrlOcppKey()) + ? ChargingStationConfigurationUtils.getConfigurationKey( + this, + this.getSupervisionUrlOcppKey() + )?.value + : this.configuredSupervisionUrl.href + }/${this.stationInfo.chargingStationId}` ); } - public logPrefix(): string { + public logPrefix = (): string => { return Utils.logPrefix( ` ${ - this?.stationInfo?.chargingStationId ?? - ChargingStationUtils.getChargingStationId(this.index, this.getTemplateFromFile()) + (Utils.isNotEmptyString(this?.stationInfo?.chargingStationId) + ? this?.stationInfo?.chargingStationId + : ChargingStationUtils.getChargingStationId(this.index, this.getTemplateFromFile())) ?? + 'Error at building log prefix' } |` ); - } + }; - public getBootNotificationRequest(): BootNotificationRequest { - return this.bootNotificationRequest; + public hasIdTags(): boolean { + const idTagsFile = ChargingStationUtils.getIdTagsFile(this.stationInfo); + return Utils.isNotEmptyArray(this.idTagsCache.getIdTags(idTagsFile)); } - public getRandomIdTag(): string { - const authorizationFile = ChargingStationUtils.getAuthorizationFile(this.stationInfo); - const index = Math.floor( - Utils.secureRandom() * this.authorizedTagsCache.getAuthorizedTags(authorizationFile).length - ); - return this.authorizedTagsCache.getAuthorizedTags(authorizationFile)[index]; + public getEnableStatistics(): boolean { + return this.stationInfo.enableStatistics ?? false; } - public hasAuthorizedTags(): boolean { - return !Utils.isEmptyArray( - this.authorizedTagsCache.getAuthorizedTags( - ChargingStationUtils.getAuthorizationFile(this.stationInfo) - ) - ); + public getMustAuthorizeAtRemoteStart(): boolean { + return this.stationInfo.mustAuthorizeAtRemoteStart ?? true; } - public getEnableStatistics(): boolean | undefined { - return !Utils.isUndefined(this.stationInfo.enableStatistics) - ? this.stationInfo.enableStatistics - : true; - } - - public getMayAuthorizeAtRemoteStart(): boolean | undefined { - return this.stationInfo.mayAuthorizeAtRemoteStart ?? true; + public getPayloadSchemaValidation(): boolean { + return this.stationInfo.payloadSchemaValidation ?? true; } public getNumberOfPhases(stationInfo?: ChargingStationInfo): number | undefined { @@ -194,7 +209,7 @@ export default class ChargingStation { return this?.wsConnection?.readyState === WebSocket.OPEN; } - public getRegistrationStatus(): RegistrationStatus { + public getRegistrationStatus(): RegistrationStatusEnumType | undefined { return this?.bootNotificationResponse?.status; } @@ -203,39 +218,42 @@ export default class ChargingStation { } public isInPendingState(): boolean { - return this?.bootNotificationResponse?.status === RegistrationStatus.PENDING; + return this?.bootNotificationResponse?.status === RegistrationStatusEnumType.PENDING; } public isInAcceptedState(): boolean { - return this?.bootNotificationResponse?.status === RegistrationStatus.ACCEPTED; + return this?.bootNotificationResponse?.status === RegistrationStatusEnumType.ACCEPTED; } public isInRejectedState(): boolean { - return this?.bootNotificationResponse?.status === RegistrationStatus.REJECTED; + return this?.bootNotificationResponse?.status === RegistrationStatusEnumType.REJECTED; } public isRegistered(): boolean { - return !this.isInUnknownState() && (this.isInAcceptedState() || this.isInPendingState()); + return ( + this.isInUnknownState() === false && + (this.isInAcceptedState() === true || this.isInPendingState() === true) + ); } public isChargingStationAvailable(): boolean { - return this.getConnectorStatus(0).availability === AvailabilityType.OPERATIVE; + return this.getConnectorStatus(0)?.availability === AvailabilityType.Operative; } public isConnectorAvailable(id: number): boolean { - return id > 0 && this.getConnectorStatus(id).availability === AvailabilityType.OPERATIVE; + return id > 0 && this.getConnectorStatus(id)?.availability === AvailabilityType.Operative; } public getNumberOfConnectors(): number { return this.connectors.get(0) ? this.connectors.size - 1 : this.connectors.size; } - public getConnectorStatus(id: number): ConnectorStatus { + public getConnectorStatus(id: number): ConnectorStatus | undefined { return this.connectors.get(id); } public getCurrentOutType(stationInfo?: ChargingStationInfo): CurrentType { - return (stationInfo ?? this.stationInfo).currentOutType ?? CurrentType.AC; + return (stationInfo ?? this.stationInfo)?.currentOutType ?? CurrentType.AC; } public getOcppStrictCompliance(): boolean { @@ -254,11 +272,16 @@ export default class ChargingStation { : defaultVoltageOut; } + public getMaximumPower(stationInfo?: ChargingStationInfo): number { + const localStationInfo = stationInfo ?? this.stationInfo; + return (localStationInfo['maxPower'] as number) ?? localStationInfo.maximumPower; + } + public getConnectorMaximumAvailablePower(connectorId: number): number { let connectorAmperageLimitationPowerLimit: number; if ( !Utils.isNullOrUndefined(this.getAmperageLimitation()) && - this.getAmperageLimitation() < this.stationInfo.maximumAmperage + this.getAmperageLimitation() < this.stationInfo?.maximumAmperage ) { connectorAmperageLimitationPowerLimit = (this.getCurrentOutType() === CurrentType.AC @@ -271,20 +294,24 @@ export default class ChargingStation { this.powerDivider; } const connectorMaximumPower = this.getMaximumPower() / this.powerDivider; - const connectorChargingProfilePowerLimit = this.getChargingProfilePowerLimit(connectorId); + const connectorChargingProfilesPowerLimit = + ChargingStationUtils.getChargingStationConnectorChargingProfilesPowerLimit(this, connectorId); return Math.min( isNaN(connectorMaximumPower) ? Infinity : connectorMaximumPower, isNaN(connectorAmperageLimitationPowerLimit) ? Infinity : connectorAmperageLimitationPowerLimit, - isNaN(connectorChargingProfilePowerLimit) ? Infinity : connectorChargingProfilePowerLimit + isNaN(connectorChargingProfilesPowerLimit) ? Infinity : connectorChargingProfilesPowerLimit ); } public getTransactionIdTag(transactionId: number): string | undefined { for (const connectorId of this.connectors.keys()) { - if (connectorId > 0 && this.getConnectorStatus(connectorId).transactionId === transactionId) { - return this.getConnectorStatus(connectorId).transactionIdTag; + if ( + connectorId > 0 && + this.getConnectorStatus(connectorId)?.transactionId === transactionId + ) { + return this.getConnectorStatus(connectorId)?.transactionIdTag; } } } @@ -328,22 +355,18 @@ export default class ChargingStation { } } - public getEnergyActiveImportRegisterByTransactionId(transactionId: number): number | undefined { - const transactionConnectorStatus = this.getConnectorStatus( - this.getConnectorIdByTransactionId(transactionId) + public getEnergyActiveImportRegisterByTransactionId( + transactionId: number, + rounded = false + ): number { + return this.getEnergyActiveImportRegister( + this.getConnectorStatus(this.getConnectorIdByTransactionId(transactionId)), + rounded ); - if (this.getMeteringPerTransaction()) { - return transactionConnectorStatus?.transactionEnergyActiveImportRegisterValue; - } - return transactionConnectorStatus?.energyActiveImportRegisterValue; } - public getEnergyActiveImportRegisterByConnectorId(connectorId: number): number | undefined { - const connectorStatus = this.getConnectorStatus(connectorId); - if (this.getMeteringPerTransaction()) { - return connectorStatus?.transactionEnergyActiveImportRegisterValue; - } - return connectorStatus?.energyActiveImportRegisterValue; + public getEnergyActiveImportRegisterByConnectorId(connectorId: number, rounded = false): number { + return this.getEnergyActiveImportRegister(this.getConnectorStatus(connectorId), rounded); } public getAuthorizeRemoteTxRequests(): boolean { @@ -364,37 +387,73 @@ export default class ChargingStation { return localAuthListEnabled ? Utils.convertToBoolean(localAuthListEnabled.value) : false; } - public startHeartbeat(): void { + public getHeartbeatInterval(): number { + const HeartbeatInterval = ChargingStationConfigurationUtils.getConfigurationKey( + this, + StandardParametersKey.HeartbeatInterval + ); + if (HeartbeatInterval) { + return Utils.convertToInt(HeartbeatInterval.value) * 1000; + } + const HeartBeatInterval = ChargingStationConfigurationUtils.getConfigurationKey( + this, + StandardParametersKey.HeartBeatInterval + ); + if (HeartBeatInterval) { + return Utils.convertToInt(HeartBeatInterval.value) * 1000; + } + this.stationInfo?.autoRegister === false && + logger.warn( + `${this.logPrefix()} Heartbeat interval configuration key not set, using default value: ${ + Constants.DEFAULT_HEARTBEAT_INTERVAL + }` + ); + return Constants.DEFAULT_HEARTBEAT_INTERVAL; + } + + public setSupervisionUrl(url: string): void { if ( - this.getHeartbeatInterval() && - this.getHeartbeatInterval() > 0 && - !this.heartbeatSetInterval + this.getSupervisionUrlOcppConfiguration() && + Utils.isNotEmptyString(this.getSupervisionUrlOcppKey()) ) { - // eslint-disable-next-line @typescript-eslint/no-misused-promises - this.heartbeatSetInterval = setInterval(async (): Promise => { - await this.ocppRequestService.requestHandler( - this, - RequestCommand.HEARTBEAT - ); + ChargingStationConfigurationUtils.setConfigurationKeyValue( + this, + this.getSupervisionUrlOcppKey(), + url + ); + } else { + this.stationInfo.supervisionUrls = url; + this.saveStationInfo(); + this.configuredSupervisionUrl = this.getConfiguredSupervisionUrl(); + } + } + + public startHeartbeat(): void { + if (this.getHeartbeatInterval() > 0 && !this.heartbeatSetInterval) { + this.heartbeatSetInterval = setInterval(() => { + this.ocppRequestService + .requestHandler(this, RequestCommand.HEARTBEAT) + .catch((error) => { + logger.error( + `${this.logPrefix()} Error while sending '${RequestCommand.HEARTBEAT}':`, + error + ); + }); }, this.getHeartbeatInterval()); logger.info( - this.logPrefix() + - ' Heartbeat started every ' + - Utils.formatDurationMilliSeconds(this.getHeartbeatInterval()) + `${this.logPrefix()} Heartbeat started every ${Utils.formatDurationMilliSeconds( + this.getHeartbeatInterval() + )}` ); } else if (this.heartbeatSetInterval) { logger.info( - this.logPrefix() + - ' Heartbeat already started every ' + - Utils.formatDurationMilliSeconds(this.getHeartbeatInterval()) + `${this.logPrefix()} Heartbeat already started every ${Utils.formatDurationMilliSeconds( + this.getHeartbeatInterval() + )}` ); } else { logger.error( - `${this.logPrefix()} Heartbeat interval set to ${ - this.getHeartbeatInterval() - ? Utils.formatDurationMilliSeconds(this.getHeartbeatInterval()) - : this.getHeartbeatInterval() - }, not starting the heartbeat` + `${this.logPrefix()} Heartbeat interval set to ${this.getHeartbeatInterval()}, not starting the heartbeat` ); } } @@ -416,140 +475,145 @@ export default class ChargingStation { public startMeterValues(connectorId: number, interval: number): void { if (connectorId === 0) { logger.error( - `${this.logPrefix()} Trying to start MeterValues on connector Id ${connectorId.toString()}` + `${this.logPrefix()} Trying to start MeterValues on connector id ${connectorId.toString()}` ); return; } if (!this.getConnectorStatus(connectorId)) { logger.error( - `${this.logPrefix()} Trying to start MeterValues on non existing connector Id ${connectorId.toString()}` + `${this.logPrefix()} Trying to start MeterValues on non existing connector id ${connectorId.toString()}` ); return; } - if (!this.getConnectorStatus(connectorId)?.transactionStarted) { + if (this.getConnectorStatus(connectorId)?.transactionStarted === false) { logger.error( - `${this.logPrefix()} Trying to start MeterValues on connector Id ${connectorId} with no transaction started` + `${this.logPrefix()} Trying to start MeterValues on connector id ${connectorId} with no transaction started` ); return; } else if ( - this.getConnectorStatus(connectorId)?.transactionStarted && - !this.getConnectorStatus(connectorId)?.transactionId + this.getConnectorStatus(connectorId)?.transactionStarted === true && + Utils.isNullOrUndefined(this.getConnectorStatus(connectorId)?.transactionId) ) { logger.error( - `${this.logPrefix()} Trying to start MeterValues on connector Id ${connectorId} with no transaction id` + `${this.logPrefix()} Trying to start MeterValues on connector id ${connectorId} with no transaction id` ); return; } if (interval > 0) { - // eslint-disable-next-line @typescript-eslint/no-misused-promises - this.getConnectorStatus(connectorId).transactionSetInterval = setInterval( - // eslint-disable-next-line @typescript-eslint/no-misused-promises - async (): Promise => { - // FIXME: Implement OCPP version agnostic helpers - const meterValue: MeterValue = OCPP16ServiceUtils.buildMeterValue( - this, - connectorId, - this.getConnectorStatus(connectorId).transactionId, - interval - ); - await this.ocppRequestService.requestHandler( + this.getConnectorStatus(connectorId).transactionSetInterval = setInterval(() => { + // FIXME: Implement OCPP version agnostic helpers + const meterValue: MeterValue = OCPP16ServiceUtils.buildMeterValue( + this, + connectorId, + this.getConnectorStatus(connectorId).transactionId, + interval + ); + this.ocppRequestService + .requestHandler( this, RequestCommand.METER_VALUES, { connectorId, - transactionId: this.getConnectorStatus(connectorId).transactionId, + transactionId: this.getConnectorStatus(connectorId)?.transactionId, meterValue: [meterValue], } - ); - }, - interval - ); + ) + .catch((error) => { + logger.error( + `${this.logPrefix()} Error while sending '${RequestCommand.METER_VALUES}':`, + error + ); + }); + }, interval); } else { logger.error( `${this.logPrefix()} Charging station ${ StandardParametersKey.MeterValueSampleInterval - } configuration set to ${ - interval ? Utils.formatDurationMilliSeconds(interval) : interval - }, not sending MeterValues` + } configuration set to ${interval}, not sending MeterValues` ); } } public start(): void { - if (this.getEnableStatistics()) { - this.performanceStatistics.start(); - } - this.openWSConnection(); - // Monitor charging station template file - this.templateFileWatcher = FileUtils.watchJsonFile( - this.logPrefix(), - FileType.ChargingStationTemplate, - this.templateFile, - null, - (event, filename): void => { - if (filename && event === 'change') { - try { - logger.debug( - `${this.logPrefix()} ${FileType.ChargingStationTemplate} ${ - this.templateFile - } file have changed, reload` - ); - this.sharedLRUCache.deleteChargingStationTemplate(this.stationInfo?.templateHash); - // Initialize - this.initialize(); - // Restart the ATG - this.stopAutomaticTransactionGenerator(); - this.startAutomaticTransactionGenerator(); - if (this.getEnableStatistics()) { - this.performanceStatistics.restart(); - } else { - this.performanceStatistics.stop(); + if (this.started === false) { + if (this.starting === false) { + this.starting = true; + if (this.getEnableStatistics() === true) { + this.performanceStatistics?.start(); + } + this.openWSConnection(); + // Monitor charging station template file + this.templateFileWatcher = FileUtils.watchJsonFile( + this.templateFile, + FileType.ChargingStationTemplate, + this.logPrefix(), + undefined, + (event, filename): void => { + if (Utils.isNotEmptyString(filename) && event === 'change') { + try { + logger.debug( + `${this.logPrefix()} ${FileType.ChargingStationTemplate} ${ + this.templateFile + } file have changed, reload` + ); + this.sharedLRUCache.deleteChargingStationTemplate(this.stationInfo?.templateHash); + // Initialize + this.initialize(); + // Restart the ATG + this.stopAutomaticTransactionGenerator(); + if ( + this.getAutomaticTransactionGeneratorConfigurationFromTemplate()?.enable === true + ) { + this.startAutomaticTransactionGenerator(); + } + if (this.getEnableStatistics() === true) { + this.performanceStatistics?.restart(); + } else { + this.performanceStatistics?.stop(); + } + // FIXME?: restart heartbeat and WebSocket ping when their interval values have changed + } catch (error) { + logger.error( + `${this.logPrefix()} ${FileType.ChargingStationTemplate} file monitoring error:`, + error + ); + } } - // FIXME?: restart heartbeat and WebSocket ping when their interval values have changed - } catch (error) { - logger.error( - `${this.logPrefix()} ${FileType.ChargingStationTemplate} file monitoring error: %j`, - error - ); } - } + ); + this.started = true; + parentPort?.postMessage(MessageChannelUtils.buildStartedMessage(this)); + this.starting = false; + } else { + logger.warn(`${this.logPrefix()} Charging station is already starting...`); } - ); - parentPort.postMessage({ - id: ChargingStationWorkerMessageEvents.STARTED, - data: { id: this.stationInfo.chargingStationId }, - }); + } else { + logger.warn(`${this.logPrefix()} Charging station is already started...`); + } } - public async stop(reason: StopTransactionReason = StopTransactionReason.NONE): Promise { - // Stop message sequence - await this.stopMessageSequence(reason); - for (const connectorId of this.connectors.keys()) { - if (connectorId > 0) { - await this.ocppRequestService.requestHandler< - StatusNotificationRequest, - StatusNotificationResponse - >(this, RequestCommand.STATUS_NOTIFICATION, { - connectorId, - status: ChargePointStatus.UNAVAILABLE, - errorCode: ChargePointErrorCode.NO_ERROR, - }); - this.getConnectorStatus(connectorId).status = ChargePointStatus.UNAVAILABLE; + public async stop(reason?: StopTransactionReason): Promise { + if (this.started === true) { + if (this.stopping === false) { + this.stopping = true; + await this.stopMessageSequence(reason); + this.closeWSConnection(); + if (this.getEnableStatistics() === true) { + this.performanceStatistics?.stop(); + } + this.sharedLRUCache.deleteChargingStationConfiguration(this.configurationFileHash); + this.templateFileWatcher?.close(); + this.sharedLRUCache.deleteChargingStationTemplate(this.stationInfo?.templateHash); + delete this.bootNotificationResponse; + this.started = false; + parentPort?.postMessage(MessageChannelUtils.buildStoppedMessage(this)); + this.stopping = false; + } else { + logger.warn(`${this.logPrefix()} Charging station is already stopping...`); } + } else { + logger.warn(`${this.logPrefix()} Charging station is already stopped...`); } - this.closeWSConnection(); - if (this.getEnableStatistics()) { - this.performanceStatistics.stop(); - } - this.sharedLRUCache.deleteChargingStationConfiguration(this.configurationFileHash); - this.templateFileWatcher.close(); - this.sharedLRUCache.deleteChargingStationTemplate(this.stationInfo?.templateHash); - this.bootNotificationResponse = null; - parentPort.postMessage({ - id: ChargingStationWorkerMessageEvents.STOPPED, - data: { id: this.stationInfo.chargingStationId }, - }); - this.stopped = true; } public async reset(reason?: StopTransactionReason): Promise { @@ -565,121 +629,195 @@ export default class ChargingStation { } } - public getChargingProfilePowerLimit(connectorId: number): number | undefined { - let limit: number, matchingChargingProfile: ChargingProfile; - let chargingProfiles: ChargingProfile[] = []; - // Get charging profiles for connector and sort by stack level - chargingProfiles = this.getConnectorStatus(connectorId).chargingProfiles.sort( - (a, b) => b.stackLevel - a.stackLevel - ); - // Get profiles on connector 0 - if (this.getConnectorStatus(0).chargingProfiles) { - chargingProfiles.push( - ...this.getConnectorStatus(0).chargingProfiles.sort((a, b) => b.stackLevel - a.stackLevel) - ); - } - if (!Utils.isEmptyArray(chargingProfiles)) { - const result = ChargingStationUtils.getLimitFromChargingProfiles( - chargingProfiles, - Utils.logPrefix() - ); - if (!Utils.isNullOrUndefined(result)) { - limit = result.limit; - matchingChargingProfile = result.matchingChargingProfile; - switch (this.getCurrentOutType()) { - case CurrentType.AC: - limit = - matchingChargingProfile.chargingSchedule.chargingRateUnit === - ChargingRateUnitType.WATT - ? limit - : ACElectricUtils.powerTotal(this.getNumberOfPhases(), this.getVoltageOut(), limit); - break; - case CurrentType.DC: - limit = - matchingChargingProfile.chargingSchedule.chargingRateUnit === - ChargingRateUnitType.WATT - ? limit - : DCElectricUtils.power(this.getVoltageOut(), limit); - } - - const connectorMaximumPower = this.getMaximumPower() / this.powerDivider; - if (limit > connectorMaximumPower) { - logger.error( - `${this.logPrefix()} Charging profile id ${ - matchingChargingProfile.chargingProfileId - } limit is greater than connector id ${connectorId} maximum, dump charging profiles' stack: %j`, - this.getConnectorStatus(connectorId).chargingProfiles - ); - limit = connectorMaximumPower; - } - } - } - return limit; - } - - public setChargingProfile(connectorId: number, cp: ChargingProfile): void { - if (Utils.isNullOrUndefined(this.getConnectorStatus(connectorId).chargingProfiles)) { - logger.error( - `${this.logPrefix()} Trying to set a charging profile on connectorId ${connectorId} with an uninitialized charging profiles array attribute, applying deferred initialization` - ); - this.getConnectorStatus(connectorId).chargingProfiles = []; - } - if (!Array.isArray(this.getConnectorStatus(connectorId).chargingProfiles)) { - logger.error( - `${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` - ); - this.getConnectorStatus(connectorId).chargingProfiles = []; - } - let cpReplaced = false; - if (!Utils.isEmptyArray(this.getConnectorStatus(connectorId).chargingProfiles)) { - this.getConnectorStatus(connectorId).chargingProfiles?.forEach( - (chargingProfile: ChargingProfile, index: number) => { - if ( - chargingProfile.chargingProfileId === cp.chargingProfileId || - (chargingProfile.stackLevel === cp.stackLevel && - chargingProfile.chargingProfilePurpose === cp.chargingProfilePurpose) - ) { - this.getConnectorStatus(connectorId).chargingProfiles[index] = cp; - cpReplaced = true; - } - } - ); - } - !cpReplaced && this.getConnectorStatus(connectorId).chargingProfiles?.push(cp); - } - public resetConnectorStatus(connectorId: number): void { this.getConnectorStatus(connectorId).idTagLocalAuthorized = false; this.getConnectorStatus(connectorId).idTagAuthorized = false; this.getConnectorStatus(connectorId).transactionRemoteStarted = false; this.getConnectorStatus(connectorId).transactionStarted = false; - delete this.getConnectorStatus(connectorId).localAuthorizeIdTag; - delete this.getConnectorStatus(connectorId).authorizeIdTag; - delete this.getConnectorStatus(connectorId).transactionId; - delete this.getConnectorStatus(connectorId).transactionIdTag; + delete this.getConnectorStatus(connectorId)?.localAuthorizeIdTag; + delete this.getConnectorStatus(connectorId)?.authorizeIdTag; + delete this.getConnectorStatus(connectorId)?.transactionId; + delete this.getConnectorStatus(connectorId)?.transactionIdTag; this.getConnectorStatus(connectorId).transactionEnergyActiveImportRegisterValue = 0; - delete this.getConnectorStatus(connectorId).transactionBeginMeterValue; + delete this.getConnectorStatus(connectorId)?.transactionBeginMeterValue; this.stopMeterValues(connectorId); + parentPort?.postMessage(MessageChannelUtils.buildUpdatedMessage(this)); } - public hasFeatureProfile(featureProfile: SupportedFeatureProfiles) { + public hasFeatureProfile(featureProfile: SupportedFeatureProfiles): boolean | undefined { return ChargingStationConfigurationUtils.getConfigurationKey( this, StandardParametersKey.SupportedFeatureProfiles - )?.value.includes(featureProfile); + )?.value?.includes(featureProfile); } public bufferMessage(message: string): void { this.messageBuffer.add(message); } - private flushMessageBuffer() { + public openWSConnection( + options: WsOptions = this.stationInfo?.wsOptions ?? {}, + params: { closeOpened?: boolean; terminateOpened?: boolean } = { + closeOpened: false, + terminateOpened: false, + } + ): void { + options.handshakeTimeout = options?.handshakeTimeout ?? this.getConnectionTimeout() * 1000; + params.closeOpened = params?.closeOpened ?? false; + params.terminateOpened = params?.terminateOpened ?? false; + if (this.started === false && this.starting === false) { + logger.warn( + `${this.logPrefix()} Cannot open OCPP connection to URL ${this.wsConnectionUrl.toString()} on stopped charging station` + ); + return; + } + if ( + !Utils.isNullOrUndefined(this.stationInfo.supervisionUser) && + !Utils.isNullOrUndefined(this.stationInfo.supervisionPassword) + ) { + options.auth = `${this.stationInfo.supervisionUser}:${this.stationInfo.supervisionPassword}`; + } + if (params?.closeOpened) { + this.closeWSConnection(); + } + if (params?.terminateOpened) { + this.terminateWSConnection(); + } + + if (this.isWebSocketConnectionOpened() === true) { + logger.warn( + `${this.logPrefix()} OCPP connection to URL ${this.wsConnectionUrl.toString()} is already opened` + ); + return; + } + + logger.info( + `${this.logPrefix()} Open OCPP connection to URL ${this.wsConnectionUrl.toString()}` + ); + + this.wsConnection = new WebSocket( + this.wsConnectionUrl, + `ocpp${this.stationInfo.ocppVersion ?? OCPPVersion.VERSION_16}`, + options + ); + + // Handle WebSocket message + this.wsConnection.on( + 'message', + this.onMessage.bind(this) as (this: WebSocket, data: RawData, isBinary: boolean) => void + ); + // Handle WebSocket error + this.wsConnection.on( + 'error', + this.onError.bind(this) as (this: WebSocket, error: Error) => void + ); + // Handle WebSocket close + this.wsConnection.on( + 'close', + this.onClose.bind(this) as (this: WebSocket, code: number, reason: Buffer) => void + ); + // Handle WebSocket open + this.wsConnection.on('open', this.onOpen.bind(this) as (this: WebSocket) => void); + // Handle WebSocket ping + this.wsConnection.on('ping', this.onPing.bind(this) as (this: WebSocket, data: Buffer) => void); + // Handle WebSocket pong + this.wsConnection.on('pong', this.onPong.bind(this) as (this: WebSocket, data: Buffer) => void); + } + + public closeWSConnection(): void { + if (this.isWebSocketConnectionOpened() === true) { + this.wsConnection?.close(); + this.wsConnection = null; + } + } + + public startAutomaticTransactionGenerator( + connectorIds?: number[], + automaticTransactionGeneratorConfiguration?: AutomaticTransactionGeneratorConfiguration + ): void { + this.automaticTransactionGenerator = AutomaticTransactionGenerator.getInstance( + automaticTransactionGeneratorConfiguration ?? + this.getAutomaticTransactionGeneratorConfigurationFromTemplate(), + this + ); + if (Utils.isNotEmptyArray(connectorIds)) { + for (const connectorId of connectorIds) { + this.automaticTransactionGenerator?.startConnector(connectorId); + } + } else { + this.automaticTransactionGenerator?.start(); + } + parentPort?.postMessage(MessageChannelUtils.buildUpdatedMessage(this)); + } + + public stopAutomaticTransactionGenerator(connectorIds?: number[]): void { + if (Utils.isNotEmptyArray(connectorIds)) { + for (const connectorId of connectorIds) { + this.automaticTransactionGenerator?.stopConnector(connectorId); + } + } else { + this.automaticTransactionGenerator?.stop(); + } + parentPort?.postMessage(MessageChannelUtils.buildUpdatedMessage(this)); + } + + public async stopTransactionOnConnector( + connectorId: number, + reason = StopTransactionReason.NONE + ): Promise { + const transactionId = this.getConnectorStatus(connectorId)?.transactionId; + if ( + this.getBeginEndMeterValues() === true && + this.getOcppStrictCompliance() === true && + this.getOutOfOrderEndMeterValues() === false + ) { + // FIXME: Implement OCPP version agnostic helpers + const transactionEndMeterValue = OCPP16ServiceUtils.buildTransactionEndMeterValue( + this, + connectorId, + this.getEnergyActiveImportRegisterByTransactionId(transactionId) + ); + await this.ocppRequestService.requestHandler( + this, + RequestCommand.METER_VALUES, + { + connectorId, + transactionId, + meterValue: [transactionEndMeterValue], + } + ); + } + return this.ocppRequestService.requestHandler( + this, + RequestCommand.STOP_TRANSACTION, + { + transactionId, + meterStop: this.getEnergyActiveImportRegisterByTransactionId(transactionId, true), + reason, + } + ); + } + + private flushMessageBuffer(): void { if (this.messageBuffer.size > 0) { - this.messageBuffer.forEach((message) => { - // TODO: evaluate the need to track performance - this.wsConnection.send(message); + for (const message of this.messageBuffer.values()) { + let beginId: string; + let commandName: RequestCommand; + const [messageType] = JSON.parse(message) as OutgoingRequest | Response | ErrorResponse; + const isRequest = messageType === MessageType.CALL_MESSAGE; + if (isRequest) { + [, , commandName] = JSON.parse(message) as OutgoingRequest; + beginId = PerformanceStatistics.beginMeasure(commandName); + } + this.wsConnection?.send(message); + isRequest && PerformanceStatistics.endMeasure(commandName, beginId); + logger.debug( + `${this.logPrefix()} >> Buffered ${OCPPServiceUtils.getMessageTypeString( + messageType + )} payload sent: ${message}` + ); this.messageBuffer.delete(message); - }); + } } } @@ -688,11 +826,11 @@ export default class ChargingStation { } private getSupervisionUrlOcppKey(): string { - return this.stationInfo.supervisionUrlOcppKey ?? VendorDefaultParametersKey.ConnectionUrl; + return this.stationInfo.supervisionUrlOcppKey ?? VendorParametersKey.ConnectionUrl; } - private getTemplateFromFile(): ChargingStationTemplate | null { - let template: ChargingStationTemplate = null; + private getTemplateFromFile(): ChargingStationTemplate | undefined { + let template: ChargingStationTemplate; try { if (this.sharedLRUCache.hasChargingStationTemplate(this.stationInfo?.templateHash)) { template = this.sharedLRUCache.getChargingStationTemplate(this.stationInfo.templateHash); @@ -711,19 +849,19 @@ export default class ChargingStation { } } catch (error) { FileUtils.handleFileException( - this.logPrefix(), - FileType.ChargingStationTemplate, this.templateFile, - error as NodeJS.ErrnoException + FileType.ChargingStationTemplate, + error as NodeJS.ErrnoException, + this.logPrefix() ); } return template; } private getStationInfoFromTemplate(): ChargingStationInfo { - const stationTemplate: ChargingStationTemplate = this.getTemplateFromFile(); + const stationTemplate: ChargingStationTemplate | undefined = this.getTemplateFromFile(); if (Utils.isNullOrUndefined(stationTemplate)) { - const errorMsg = 'Failed to read charging station template file'; + const errorMsg = `Failed to read charging station template file ${this.templateFile}`; logger.error(`${this.logPrefix()} ${errorMsg}`); throw new BaseError(errorMsg); } @@ -732,90 +870,119 @@ export default class ChargingStation { logger.error(`${this.logPrefix()} ${errorMsg}`); throw new BaseError(errorMsg); } - // Deprecation template keys section - ChargingStationUtils.warnDeprecatedTemplateKey( - stationTemplate, - 'supervisionUrl', + ChargingStationUtils.warnTemplateKeysDeprecation( this.templateFile, - this.logPrefix(), - "Use 'supervisionUrls' instead" - ); - ChargingStationUtils.convertDeprecatedTemplateKey( stationTemplate, - 'supervisionUrl', - 'supervisionUrls' + this.logPrefix() ); const stationInfo: ChargingStationInfo = ChargingStationUtils.stationTemplateToStationInfo(stationTemplate); + stationInfo.hashId = ChargingStationUtils.getHashId(this.index, stationTemplate); stationInfo.chargingStationId = ChargingStationUtils.getChargingStationId( this.index, stationTemplate ); + stationInfo.ocppVersion = stationTemplate?.ocppVersion ?? OCPPVersion.VERSION_16; ChargingStationUtils.createSerialNumber(stationTemplate, stationInfo); - if (!Utils.isEmptyArray(stationTemplate.power)) { + if (Utils.isNotEmptyArray(stationTemplate?.power)) { stationTemplate.power = stationTemplate.power as number[]; const powerArrayRandomIndex = Math.floor(Utils.secureRandom() * stationTemplate.power.length); stationInfo.maximumPower = - stationTemplate.powerUnit === PowerUnits.KILO_WATT + stationTemplate?.powerUnit === PowerUnits.KILO_WATT ? stationTemplate.power[powerArrayRandomIndex] * 1000 : stationTemplate.power[powerArrayRandomIndex]; } else { - stationTemplate.power = stationTemplate.power as number; + stationTemplate.power = stationTemplate?.power as number; stationInfo.maximumPower = - stationTemplate.powerUnit === PowerUnits.KILO_WATT + stationTemplate?.powerUnit === PowerUnits.KILO_WATT ? stationTemplate.power * 1000 : stationTemplate.power; } - stationInfo.resetTime = stationTemplate.resetTime + stationInfo.firmwareVersionPattern = + stationTemplate?.firmwareVersionPattern ?? Constants.SEMVER_PATTERN; + if ( + Utils.isNotEmptyString(stationInfo.firmwareVersion) && + new RegExp(stationInfo.firmwareVersionPattern).test(stationInfo.firmwareVersion) === false + ) { + logger.warn( + `${this.logPrefix()} Firmware version '${stationInfo.firmwareVersion}' in template file ${ + this.templateFile + } does not match firmware version pattern '${stationInfo.firmwareVersionPattern}'` + ); + } + stationInfo.firmwareUpgrade = merge( + { + versionUpgrade: { + step: 1, + }, + reset: true, + }, + stationTemplate?.firmwareUpgrade ?? {} + ); + stationInfo.resetTime = !Utils.isNullOrUndefined(stationTemplate?.resetTime) ? stationTemplate.resetTime * 1000 : Constants.CHARGING_STATION_DEFAULT_RESET_TIME; - const configuredMaxConnectors = ChargingStationUtils.getConfiguredNumberOfConnectors( - this.index, - stationTemplate - ); + const configuredMaxConnectors = + ChargingStationUtils.getConfiguredNumberOfConnectors(stationTemplate); ChargingStationUtils.checkConfiguredMaxConnectors( configuredMaxConnectors, this.templateFile, - Utils.logPrefix() - ); - const templateMaxConnectors = - ChargingStationUtils.getTemplateMaxNumberOfConnectors(stationTemplate); - ChargingStationUtils.checkTemplateMaxConnectors( - templateMaxConnectors, - this.templateFile, - Utils.logPrefix() + this.logPrefix() ); - if ( - configuredMaxConnectors > - (stationTemplate?.Connectors[0] ? templateMaxConnectors - 1 : templateMaxConnectors) && - !stationTemplate?.randomConnectors - ) { - logger.warn( - `${this.logPrefix()} Number of connectors exceeds the number of connector configurations in template ${ - this.templateFile - }, forcing random connector configurations affectation` + // Build evses or connectors if needed (FIXME: should be factored out) + if (stationInfo?.Connectors && !stationInfo?.Evses) { + const templateMaxConnectors = ChargingStationUtils.getMaxNumberOfConnectors( + stationTemplate.Connectors ); - stationInfo.randomConnectors = true; + ChargingStationUtils.checkTemplateMaxConnectors( + templateMaxConnectors, + this.templateFile, + this.logPrefix() + ); + if ( + configuredMaxConnectors > + (stationTemplate?.Connectors[0] ? templateMaxConnectors - 1 : templateMaxConnectors) && + !stationTemplate?.randomConnectors + ) { + logger.warn( + `${this.logPrefix()} Number of connectors exceeds the number of connector configurations in template ${ + this.templateFile + }, forcing random connector configurations affectation` + ); + stationInfo.randomConnectors = true; + } + this.initializeConnectors(stationInfo, configuredMaxConnectors); + } else if (stationInfo?.Evses && !stationInfo?.Connectors) { + this.initializeEvses(stationInfo); + } else if (stationInfo?.Evses && stationInfo?.Connectors) { + const errorMsg = `Connectors and evses defined at the same time in template file ${this.templateFile}`; + logger.error(`${this.logPrefix()} ${errorMsg}`); + throw new BaseError(errorMsg); + } else { + const errorMsg = `No connectors or evses defined in template file ${this.templateFile}`; + logger.error(`${this.logPrefix()} ${errorMsg}`); + throw new BaseError(errorMsg); } - // Build connectors if needed (FIXME: should be factored out) - this.initializeConnectors(stationInfo, configuredMaxConnectors, templateMaxConnectors); stationInfo.maximumAmperage = this.getMaximumAmperage(stationInfo); ChargingStationUtils.createStationInfoHash(stationInfo); return stationInfo; } - private getStationInfoFromFile(): ChargingStationInfo | null { - let stationInfo: ChargingStationInfo = null; + private getStationInfoFromFile(): ChargingStationInfo | undefined { + let stationInfo: ChargingStationInfo | undefined; this.getStationInfoPersistentConfiguration() && - (stationInfo = this.getConfigurationFromFile()?.stationInfo ?? null); + (stationInfo = this.getConfigurationFromFile()?.stationInfo); stationInfo && ChargingStationUtils.createStationInfoHash(stationInfo); return stationInfo; } private getStationInfo(): ChargingStationInfo { const stationInfoFromTemplate: ChargingStationInfo = this.getStationInfoFromTemplate(); - const stationInfoFromFile: ChargingStationInfo = this.getStationInfoFromFile(); - // Priority: charging station info from template > charging station info from configuration file > charging station info attribute + const stationInfoFromFile: ChargingStationInfo | undefined = this.getStationInfoFromFile(); + // Priority: + // 1. charging station info from template + // 2. charging station info from configuration file + // 3. charging station info attribute if (stationInfoFromFile?.templateHash === stationInfoFromTemplate.templateHash) { if (this.stationInfo?.infoHash === stationInfoFromFile?.infoHash) { return this.stationInfo; @@ -837,10 +1004,6 @@ export default class ChargingStation { } } - private getOcppVersion(): OCPPVersion { - return this.stationInfo.ocppVersion ?? OCPPVersion.VERSION_16; - } - private getOcppPersistentConfiguration(): boolean { return this.stationInfo?.ocppPersistentConfiguration ?? true; } @@ -850,28 +1013,42 @@ export default class ChargingStation { } private handleUnsupportedVersion(version: OCPPVersion) { - const errMsg = `${this.logPrefix()} Unsupported protocol version '${version}' configured in template file ${ - this.templateFile - }`; - logger.error(errMsg); - throw new Error(errMsg); + const errMsg = `Unsupported protocol version '${version}' configured in template file ${this.templateFile}`; + logger.error(`${this.logPrefix()} ${errMsg}`); + throw new BaseError(errMsg); } private initialize(): void { - this.hashId = ChargingStationUtils.getHashId(this.index, this.getTemplateFromFile()); - logger.info(`${this.logPrefix()} Charging station hashId '${this.hashId}'`); this.configurationFile = path.join( path.dirname(this.templateFile.replace('station-templates', 'configurations')), - this.hashId + '.json' + `${ChargingStationUtils.getHashId(this.index, this.getTemplateFromFile())}.json` ); this.stationInfo = this.getStationInfo(); + if ( + this.stationInfo.firmwareStatus === FirmwareStatus.Installing && + Utils.isNotEmptyString(this.stationInfo.firmwareVersion) && + Utils.isNotEmptyString(this.stationInfo.firmwareVersionPattern) + ) { + const patternGroup: number | undefined = + this.stationInfo.firmwareUpgrade?.versionUpgrade?.patternGroup ?? + this.stationInfo.firmwareVersion?.split('.').length; + const match = this.stationInfo?.firmwareVersion + ?.match(new RegExp(this.stationInfo.firmwareVersionPattern)) + ?.slice(1, patternGroup + 1); + const patchLevelIndex = match.length - 1; + match[patchLevelIndex] = ( + Utils.convertToInt(match[patchLevelIndex]) + + this.stationInfo.firmwareUpgrade?.versionUpgrade?.step + ).toString(); + this.stationInfo.firmwareVersion = match?.join('.'); + } this.saveStationInfo(); // Avoid duplication of connectors related information in RAM - this.stationInfo?.Connectors && delete this.stationInfo.Connectors; + delete this.stationInfo?.Connectors; this.configuredSupervisionUrl = this.getConfiguredSupervisionUrl(); - if (this.getEnableStatistics()) { + if (this.getEnableStatistics() === true) { this.performanceStatistics = PerformanceStatistics.getInstance( - this.hashId, + this.stationInfo.hashId, this.stationInfo.chargingStationId, this.configuredSupervisionUrl ); @@ -883,7 +1060,19 @@ export default class ChargingStation { // OCPP configuration this.ocppConfiguration = this.getOcppConfiguration(); this.initializeOcppConfiguration(); - switch (this.getOcppVersion()) { + this.initializeOcppServices(); + if (this.stationInfo?.autoRegister === true) { + this.bootNotificationResponse = { + currentTime: new Date(), + interval: this.getHeartbeatInterval() / 1000, + status: RegistrationStatusEnumType.ACCEPTED, + }; + } + } + + private initializeOcppServices(): void { + const ocppVersion = this.stationInfo.ocppVersion ?? OCPPVersion.VERSION_16; + switch (ocppVersion) { case OCPPVersion.VERSION_16: this.ocppIncomingRequestService = OCPP16IncomingRequestService.getInstance(); @@ -891,17 +1080,18 @@ export default class ChargingStation { OCPP16ResponseService.getInstance() ); break; + case OCPPVersion.VERSION_20: + case OCPPVersion.VERSION_201: + this.ocppIncomingRequestService = + OCPP20IncomingRequestService.getInstance(); + this.ocppRequestService = OCPP20RequestService.getInstance( + OCPP20ResponseService.getInstance() + ); + break; default: - this.handleUnsupportedVersion(this.getOcppVersion()); + this.handleUnsupportedVersion(ocppVersion); break; } - if (this.stationInfo?.autoRegister) { - this.bootNotificationResponse = { - currentTime: new Date().toISOString(), - interval: this.getHeartbeatInterval() / 1000, - status: RegistrationStatus.ACCEPTED, - }; - } } private initializeOcppConfiguration(): void { @@ -932,6 +1122,7 @@ export default class ChargingStation { } if ( this.getSupervisionUrlOcppConfiguration() && + Utils.isNotEmptyString(this.getSupervisionUrlOcppKey()) && !ChargingStationConfigurationUtils.getConfigurationKey(this, this.getSupervisionUrlOcppKey()) ) { ChargingStationConfigurationUtils.addConfigurationKey( @@ -942,6 +1133,7 @@ export default class ChargingStation { ); } else if ( !this.getSupervisionUrlOcppConfiguration() && + Utils.isNotEmptyString(this.getSupervisionUrlOcppKey()) && ChargingStationConfigurationUtils.getConfigurationKey(this, this.getSupervisionUrlOcppKey()) ) { ChargingStationConfigurationUtils.deleteConfigurationKey( @@ -951,7 +1143,7 @@ export default class ChargingStation { ); } if ( - this.stationInfo.amperageLimitationOcppKey && + Utils.isNotEmptyString(this.stationInfo?.amperageLimitationOcppKey) && !ChargingStationConfigurationUtils.getConfigurationKey( this, this.stationInfo.amperageLimitationOcppKey @@ -1043,7 +1235,7 @@ export default class ChargingStation { ChargingStationConfigurationUtils.getConfigurationKey( this, StandardParametersKey.SupportedFeatureProfiles - )?.value.includes(SupportedFeatureProfiles.LocalAuthListManagement) + )?.value?.includes(SupportedFeatureProfiles.LocalAuthListManagement) ) { ChargingStationConfigurationUtils.addConfigurationKey( this, @@ -1068,63 +1260,64 @@ export default class ChargingStation { private initializeConnectors( stationInfo: ChargingStationInfo, - configuredMaxConnectors: number, - templateMaxConnectors: number + configuredMaxConnectors: number ): void { if (!stationInfo?.Connectors && this.connectors.size === 0) { - const logMsg = `${this.logPrefix()} No already defined connectors and charging station information from template ${ - this.templateFile - } with no connectors configuration defined`; - logger.error(logMsg); + const logMsg = `No already defined connectors and charging station information from template ${this.templateFile} with no connectors configuration defined`; + logger.error(`${this.logPrefix()} ${logMsg}`); throw new BaseError(logMsg); } if (!stationInfo?.Connectors[0]) { logger.warn( `${this.logPrefix()} Charging station information from template ${ this.templateFile - } with no connector Id 0 configuration` + } with no connector id 0 configuration` ); } if (stationInfo?.Connectors) { const connectorsConfigHash = crypto .createHash(Constants.DEFAULT_HASH_ALGORITHM) - .update(JSON.stringify(stationInfo?.Connectors) + configuredMaxConnectors.toString()) + .update(`${JSON.stringify(stationInfo?.Connectors)}${configuredMaxConnectors.toString()}`) .digest('hex'); const connectorsConfigChanged = this.connectors?.size !== 0 && this.connectorsConfigurationHash !== connectorsConfigHash; if (this.connectors?.size === 0 || connectorsConfigChanged) { connectorsConfigChanged && this.connectors.clear(); this.connectorsConfigurationHash = connectorsConfigHash; - // Add connector Id 0 + // Add connector id 0 let lastConnector = '0'; for (lastConnector in stationInfo?.Connectors) { + const connectorStatus = stationInfo?.Connectors[lastConnector]; const lastConnectorId = Utils.convertToInt(lastConnector); if ( lastConnectorId === 0 && - this.getUseConnectorId0(stationInfo) && - stationInfo?.Connectors[lastConnector] + this.getUseConnectorId0(stationInfo) === true && + connectorStatus ) { + this.checkStationInfoConnectorStatus(lastConnectorId, connectorStatus); this.connectors.set( lastConnectorId, - Utils.cloneObject(stationInfo?.Connectors[lastConnector]) + Utils.cloneObject(connectorStatus) ); - this.getConnectorStatus(lastConnectorId).availability = AvailabilityType.OPERATIVE; + this.getConnectorStatus(lastConnectorId).availability = AvailabilityType.Operative; if (Utils.isUndefined(this.getConnectorStatus(lastConnectorId)?.chargingProfiles)) { this.getConnectorStatus(lastConnectorId).chargingProfiles = []; } } } // Generate all connectors + const templateMaxConnectors = ChargingStationUtils.getMaxNumberOfConnectors( + stationInfo?.Connectors + ); if ((stationInfo?.Connectors[0] ? templateMaxConnectors - 1 : templateMaxConnectors) > 0) { for (let index = 1; index <= configuredMaxConnectors; index++) { const randConnectorId = stationInfo?.randomConnectors ? Utils.getRandomInteger(Utils.convertToInt(lastConnector), 1) : index; - this.connectors.set( - index, - Utils.cloneObject(stationInfo?.Connectors[randConnectorId]) - ); - this.getConnectorStatus(index).availability = AvailabilityType.OPERATIVE; + const connectorStatus = stationInfo?.Connectors[randConnectorId.toString()]; + this.checkStationInfoConnectorStatus(randConnectorId, connectorStatus); + this.connectors.set(index, Utils.cloneObject(connectorStatus)); + this.getConnectorStatus(index).availability = AvailabilityType.Operative; if (Utils.isUndefined(this.getConnectorStatus(index)?.chargingProfiles)) { this.getConnectorStatus(index).chargingProfiles = []; } @@ -1135,19 +1328,118 @@ export default class ChargingStation { logger.warn( `${this.logPrefix()} Charging station information from template ${ this.templateFile - } with no connectors configuration defined, using already defined connectors` + } with no connectors configuration defined, using already defined connectors` + ); + } + // Initialize connectors status + for (const connectorId of this.connectors.keys()) { + if (connectorId > 0 && this.getConnectorStatus(connectorId)?.transactionStarted === true) { + logger.warn( + `${this.logPrefix()} Connector ${connectorId} at initialization has a transaction started: ${ + this.getConnectorStatus(connectorId)?.transactionId + }` + ); + } + if ( + connectorId > 0 && + Utils.isNullOrUndefined(this.getConnectorStatus(connectorId)?.transactionStarted) + ) { + this.initializeConnectorStatus(this.getConnectorStatus(connectorId)); + } + } + } + + private buildConnectorsMap( + connectors: Record + ): Map { + const connectorsMap = new Map(); + for (const connector in connectors) { + const connectorStatus = connectors[connector]; + const connectorId = Utils.convertToInt(connector); + this.checkStationInfoConnectorStatus(connectorId, connectorStatus); + connectorsMap.set(connectorId, Utils.cloneObject(connectorStatus)); + connectorsMap.get(connectorId).availability = AvailabilityType.Operative; + if (Utils.isUndefined(connectorsMap.get(connectorId)?.chargingProfiles)) { + connectorsMap.get(connectorId).chargingProfiles = []; + } + } + return connectorsMap; + } + + private initializeConnectorsMapStatus(connectors: Map): void { + for (const connectorId of connectors.keys()) { + if (connectorId > 0 && connectors.get(connectorId)?.transactionStarted === true) { + logger.warn( + `${this.logPrefix()} Connector ${connectorId} at initialization has a transaction started: ${ + connectors.get(connectorId)?.transactionId + }` + ); + } + if ( + connectorId > 0 && + Utils.isNullOrUndefined(connectors.get(connectorId)?.transactionStarted) + ) { + this.initializeConnectorStatus(connectors.get(connectorId)); + } + } + } + + private initializeEvses(stationInfo: ChargingStationInfo): void { + if (!stationInfo?.Evses && this.evses.size === 0) { + const logMsg = `No already defined evses and charging station information from template ${this.templateFile} with no evses configuration defined`; + logger.warn(`${this.logPrefix()} ${logMsg}`); + return; + } + if (!stationInfo?.Evses[0]) { + logger.warn( + `${this.logPrefix()} Charging station information from template ${ + this.templateFile + } with no evse id 0 configuration` + ); + } + if (stationInfo?.Evses) { + const evsesConfigHash = crypto + .createHash(Constants.DEFAULT_HASH_ALGORITHM) + .update(`${JSON.stringify(stationInfo?.Evses)}`) + .digest('hex'); + const evsesConfigChanged = + this.evses?.size !== 0 && this.evsesConfigurationHash !== evsesConfigHash; + if (this.evses?.size === 0 || evsesConfigChanged) { + evsesConfigChanged && this.evses.clear(); + this.evsesConfigurationHash = evsesConfigHash; + for (const evse in stationInfo?.Evses) { + this.evses.set(Utils.convertToInt(evse), { + connectors: this.buildConnectorsMap(stationInfo?.Evses[evse]?.Connectors), + availability: AvailabilityType.Operative, + }); + this.initializeConnectorsMapStatus(this.evses.get(Utils.convertToInt(evse))?.connectors); + } + } + } else { + logger.warn( + `${this.logPrefix()} Charging station information from template ${ + this.templateFile + } with no evses configuration defined, using already defined evses` ); } - // Initialize transaction attributes on connectors - for (const connectorId of this.connectors.keys()) { - if (connectorId > 0 && !this.getConnectorStatus(connectorId)?.transactionStarted) { - this.initializeConnectorStatus(connectorId); - } + } + + private checkStationInfoConnectorStatus( + connectorId: number, + connectorStatus: ConnectorStatus + ): void { + if (!Utils.isNullOrUndefined(connectorStatus?.status)) { + logger.warn( + `${this.logPrefix()} Charging station information from template ${ + this.templateFile + } with connector ${connectorId} status configuration defined, undefine it` + ); + delete connectorStatus.status; } } - private getConfigurationFromFile(): ChargingStationConfiguration | null { - let configuration: ChargingStationConfiguration = null; + private getConfigurationFromFile(): ChargingStationConfiguration | undefined { + let configuration: ChargingStationConfiguration | undefined; if (this.configurationFile && fs.existsSync(this.configurationFile)) { try { if (this.sharedLRUCache.hasChargingStationConfiguration(this.configurationFileHash)) { @@ -1166,10 +1458,10 @@ export default class ChargingStation { } } catch (error) { FileUtils.handleFileException( - this.logPrefix(), - FileType.ChargingStationConfiguration, this.configurationFile, - error as NodeJS.ErrnoException + FileType.ChargingStationConfiguration, + error as NodeJS.ErrnoException, + this.logPrefix() ); } } @@ -1183,7 +1475,7 @@ export default class ChargingStation { fs.mkdirSync(path.dirname(this.configurationFile), { recursive: true }); } const configurationData: ChargingStationConfiguration = - this.getConfigurationFromFile() ?? {}; + Utils.cloneObject(this.getConfigurationFromFile()) ?? {}; this.ocppConfiguration?.configurationKey && (configurationData.configurationKey = this.ocppConfiguration.configurationKey); this.stationInfo && (configurationData.stationInfo = this.stationInfo); @@ -1212,10 +1504,10 @@ export default class ChargingStation { } } catch (error) { FileUtils.handleFileException( - this.logPrefix(), - FileType.ChargingStationConfiguration, this.configurationFile, - error as NodeJS.ErrnoException + FileType.ChargingStationConfiguration, + error as NodeJS.ErrnoException, + this.logPrefix() ); } } else { @@ -1225,22 +1517,26 @@ export default class ChargingStation { } } - private getOcppConfigurationFromTemplate(): ChargingStationOcppConfiguration | null { - return this.getTemplateFromFile()?.Configuration ?? null; + private getOcppConfigurationFromTemplate(): ChargingStationOcppConfiguration | undefined { + return this.getTemplateFromFile()?.Configuration; } - private getOcppConfigurationFromFile(): ChargingStationOcppConfiguration | null { - let configuration: ChargingStationConfiguration = null; - if (this.getOcppPersistentConfiguration()) { + private getOcppConfigurationFromFile(): ChargingStationOcppConfiguration | undefined { + let configuration: ChargingStationConfiguration | undefined; + if (this.getOcppPersistentConfiguration() === true) { const configurationFromFile = this.getConfigurationFromFile(); configuration = configurationFromFile?.configurationKey && configurationFromFile; } - configuration && delete configuration.stationInfo; + if (!Utils.isNullOrUndefined(configuration)) { + delete configuration.stationInfo; + delete configuration.configurationHash; + } return configuration; } - private getOcppConfiguration(): ChargingStationOcppConfiguration | null { - let ocppConfiguration: ChargingStationOcppConfiguration = this.getOcppConfigurationFromFile(); + private getOcppConfiguration(): ChargingStationOcppConfiguration | undefined { + let ocppConfiguration: ChargingStationOcppConfiguration | undefined = + this.getOcppConfigurationFromFile(); if (!ocppConfiguration) { ocppConfiguration = this.getOcppConfigurationFromTemplate(); } @@ -1248,60 +1544,46 @@ export default class ChargingStation { } private async onOpen(): Promise { - if (this.isWebSocketConnectionOpened()) { + if (this.isWebSocketConnectionOpened() === true) { logger.info( `${this.logPrefix()} Connection to OCPP server through ${this.wsConnectionUrl.toString()} succeeded` ); - if (!this.isRegistered()) { + if (this.isRegistered() === false) { // Send BootNotification let registrationRetryCount = 0; do { this.bootNotificationResponse = await this.ocppRequestService.requestHandler< BootNotificationRequest, BootNotificationResponse - >( - this, - RequestCommand.BOOT_NOTIFICATION, - { - chargePointModel: this.bootNotificationRequest.chargePointModel, - chargePointVendor: this.bootNotificationRequest.chargePointVendor, - chargeBoxSerialNumber: this.bootNotificationRequest.chargeBoxSerialNumber, - firmwareVersion: this.bootNotificationRequest.firmwareVersion, - chargePointSerialNumber: this.bootNotificationRequest.chargePointSerialNumber, - iccid: this.bootNotificationRequest.iccid, - imsi: this.bootNotificationRequest.imsi, - meterSerialNumber: this.bootNotificationRequest.meterSerialNumber, - meterType: this.bootNotificationRequest.meterType, - }, - { skipBufferingOnError: true } - ); - if (!this.isRegistered()) { + >(this, RequestCommand.BOOT_NOTIFICATION, this.bootNotificationRequest, { + skipBufferingOnError: true, + }); + if (this.isRegistered() === false) { this.getRegistrationMaxRetries() !== -1 && registrationRetryCount++; await Utils.sleep( - this.bootNotificationResponse?.interval + this?.bootNotificationResponse?.interval ? this.bootNotificationResponse.interval * 1000 : Constants.OCPP_DEFAULT_BOOT_NOTIFICATION_INTERVAL ); } } while ( - !this.isRegistered() && + this.isRegistered() === false && (registrationRetryCount <= this.getRegistrationMaxRetries() || this.getRegistrationMaxRetries() === -1) ); } - if (this.isRegistered()) { - if (this.isInAcceptedState()) { + if (this.isRegistered() === true) { + if (this.isInAcceptedState() === true) { await this.startMessageSequence(); - this.wsConnectionRestarted && this.flushMessageBuffer(); } } else { logger.error( `${this.logPrefix()} Registration failure: max retries reached (${this.getRegistrationMaxRetries()}) or retry disabled (${this.getRegistrationMaxRetries()})` ); } - this.stopped && (this.stopped = false); - this.autoReconnectRetryCount = 0; this.wsConnectionRestarted = false; + this.autoReconnectRetryCount = 0; + parentPort?.postMessage(MessageChannelUtils.buildUpdatedMessage(this)); } else { logger.warn( `${this.logPrefix()} Connection to OCPP server through ${this.wsConnectionUrl.toString()} failed` @@ -1309,204 +1591,241 @@ export default class ChargingStation { } } - private async onClose(code: number, reason: string): Promise { + private async onClose(code: number, reason: Buffer): Promise { switch (code) { // Normal close case WebSocketCloseEventStatusCode.CLOSE_NORMAL: case WebSocketCloseEventStatusCode.CLOSE_NO_STATUS: logger.info( - `${this.logPrefix()} WebSocket normally closed with status '${ChargingStationUtils.getWebSocketCloseEventStatusString( + `${this.logPrefix()} WebSocket normally closed with status '${Utils.getWebSocketCloseEventStatusString( code - )}' and reason '${reason}'` + )}' and reason '${reason.toString()}'` ); this.autoReconnectRetryCount = 0; break; // Abnormal close default: logger.error( - `${this.logPrefix()} WebSocket abnormally closed with status '${ChargingStationUtils.getWebSocketCloseEventStatusString( + `${this.logPrefix()} WebSocket abnormally closed with status '${Utils.getWebSocketCloseEventStatusString( code - )}' and reason '${reason}'` + )}' and reason '${reason.toString()}'` ); - await this.reconnect(code); + this.started === true && (await this.reconnect()); break; } + parentPort?.postMessage(MessageChannelUtils.buildUpdatedMessage(this)); + } + + private getCachedRequest(messageType: MessageType, messageId: string): CachedRequest | undefined { + const cachedRequest = this.requests.get(messageId); + if (Array.isArray(cachedRequest) === true) { + return cachedRequest; + } + throw new OCPPError( + ErrorType.PROTOCOL_ERROR, + `Cached request for message id ${messageId} ${OCPPServiceUtils.getMessageTypeString( + messageType + )} is not an array`, + undefined, + cachedRequest as JsonType + ); + } + + private async handleIncomingMessage(request: IncomingRequest): Promise { + const [messageType, messageId, commandName, commandPayload] = request; + if (this.getEnableStatistics() === true) { + this.performanceStatistics?.addRequestStatistic(commandName, messageType); + } + logger.debug( + `${this.logPrefix()} << Command '${commandName}' received request payload: ${JSON.stringify( + request + )}` + ); + // Process the message + await this.ocppIncomingRequestService.incomingRequestHandler( + this, + messageId, + commandName, + commandPayload + ); + } + + private handleResponseMessage(response: Response): void { + const [messageType, messageId, commandPayload] = response; + if (this.requests.has(messageId) === false) { + // Error + throw new OCPPError( + ErrorType.INTERNAL_ERROR, + `Response for unknown message id ${messageId}`, + undefined, + commandPayload + ); + } + // Respond + const [responseCallback, , requestCommandName, requestPayload] = this.getCachedRequest( + messageType, + messageId + ); + logger.debug( + `${this.logPrefix()} << Command '${ + requestCommandName ?? Constants.UNKNOWN_COMMAND + }' received response payload: ${JSON.stringify(response)}` + ); + responseCallback(commandPayload, requestPayload); + } + + private handleErrorMessage(errorResponse: ErrorResponse): void { + const [messageType, messageId, errorType, errorMessage, errorDetails] = errorResponse; + if (this.requests.has(messageId) === false) { + // Error + throw new OCPPError( + ErrorType.INTERNAL_ERROR, + `Error response for unknown message id ${messageId}`, + undefined, + { errorType, errorMessage, errorDetails } + ); + } + const [, errorCallback, requestCommandName] = this.getCachedRequest(messageType, messageId); + logger.debug( + `${this.logPrefix()} << Command '${ + requestCommandName ?? Constants.UNKNOWN_COMMAND + }' received error response payload: ${JSON.stringify(errorResponse)}` + ); + errorCallback(new OCPPError(errorType, errorMessage, requestCommandName, errorDetails)); } - private async onMessage(data: Data): Promise { + private async onMessage(data: RawData): Promise { + let request: IncomingRequest | Response | ErrorResponse; let messageType: number; - let messageId: string; - let commandName: IncomingRequestCommand; - let commandPayload: JsonType; - let errorType: ErrorType; - let errorMessage: string; - let errorDetails: JsonType; - let responseCallback: (payload: JsonType, requestPayload: JsonType) => void; - let errorCallback: (error: OCPPError, requestStatistic?: boolean) => void; - let requestCommandName: RequestCommand | IncomingRequestCommand; - let requestPayload: JsonType; - let cachedRequest: CachedRequest; let errMsg: string; try { - const request = JSON.parse(data.toString()) as IncomingRequest | Response | ErrorResponse; - if (Utils.isIterable(request)) { - [messageType, messageId] = request; + request = JSON.parse(data.toString()) as IncomingRequest | Response | ErrorResponse; + if (Array.isArray(request) === true) { + [messageType] = request; // Check the type of message switch (messageType) { // Incoming Message case MessageType.CALL_MESSAGE: - [, , commandName, commandPayload] = request as IncomingRequest; - if (this.getEnableStatistics()) { - this.performanceStatistics.addRequestStatistic(commandName, messageType); - } - logger.debug( - `${this.logPrefix()} << Command '${commandName}' received request payload: ${JSON.stringify( - request - )}` - ); - // Process the message - await this.ocppIncomingRequestService.incomingRequestHandler( - this, - messageId, - commandName, - commandPayload - ); + await this.handleIncomingMessage(request as IncomingRequest); break; - // Outcome Message + // Response Message case MessageType.CALL_RESULT_MESSAGE: - [, , commandPayload] = request as Response; - if (!this.requests.has(messageId)) { - // Error - throw new OCPPError( - ErrorType.INTERNAL_ERROR, - `Response for unknown message id ${messageId}`, - null, - commandPayload - ); - } - // Respond - cachedRequest = this.requests.get(messageId); - if (Utils.isIterable(cachedRequest)) { - [responseCallback, , requestCommandName, requestPayload] = cachedRequest; - } else { - throw new OCPPError( - ErrorType.PROTOCOL_ERROR, - `Cached request for message id ${messageId} response is not iterable`, - null, - cachedRequest as unknown as JsonType - ); - } - logger.debug( - `${this.logPrefix()} << Command '${ - requestCommandName ?? 'unknown' - }' received response payload: ${JSON.stringify(request)}` - ); - responseCallback(commandPayload, requestPayload); + this.handleResponseMessage(request as Response); break; // Error Message case MessageType.CALL_ERROR_MESSAGE: - [, , errorType, errorMessage, errorDetails] = request as ErrorResponse; - if (!this.requests.has(messageId)) { - // Error - throw new OCPPError( - ErrorType.INTERNAL_ERROR, - `Error response for unknown message id ${messageId}`, - null, - { errorType, errorMessage, errorDetails } - ); - } - cachedRequest = this.requests.get(messageId); - if (Utils.isIterable(cachedRequest)) { - [, errorCallback, requestCommandName] = cachedRequest; - } else { - throw new OCPPError( - ErrorType.PROTOCOL_ERROR, - `Cached request for message id ${messageId} error response is not iterable`, - null, - cachedRequest as unknown as JsonType - ); - } - logger.debug( - `${this.logPrefix()} << Command '${ - requestCommandName ?? 'unknown' - }' received error payload: ${JSON.stringify(request)}` - ); - errorCallback(new OCPPError(errorType, errorMessage, requestCommandName, errorDetails)); + this.handleErrorMessage(request as ErrorResponse); break; - // Error + // Unknown Message default: // eslint-disable-next-line @typescript-eslint/restrict-template-expressions - errMsg = `${this.logPrefix()} Wrong message type ${messageType}`; - logger.error(errMsg); + errMsg = `Wrong message type ${messageType}`; + logger.error(`${this.logPrefix()} ${errMsg}`); throw new OCPPError(ErrorType.PROTOCOL_ERROR, errMsg); } + parentPort?.postMessage(MessageChannelUtils.buildUpdatedMessage(this)); } else { - throw new OCPPError(ErrorType.PROTOCOL_ERROR, 'Incoming message is not iterable', null, { - payload: request, + throw new OCPPError(ErrorType.PROTOCOL_ERROR, 'Incoming message is not an array', null, { + request, }); } } catch (error) { - // Log - logger.error( - "%s Incoming OCPP '%s' message '%j' matching cached request '%j' processing error: %j", - this.logPrefix(), - commandName ?? requestCommandName ?? null, - data.toString(), - this.requests.get(messageId), - error - ); - if (!(error instanceof OCPPError)) { + let commandName: IncomingRequestCommand; + let requestCommandName: RequestCommand | IncomingRequestCommand; + let errorCallback: ErrorCallback; + const [, messageId] = request; + switch (messageType) { + case MessageType.CALL_MESSAGE: + [, , commandName] = request as IncomingRequest; + // Send error + await this.ocppRequestService.sendError(this, messageId, error as OCPPError, commandName); + break; + case MessageType.CALL_RESULT_MESSAGE: + case MessageType.CALL_ERROR_MESSAGE: + if (this.requests.has(messageId) === true) { + [, errorCallback, requestCommandName] = this.getCachedRequest(messageType, messageId); + // Reject the deferred promise in case of error at response handling (rejecting an already fulfilled promise is a no-op) + errorCallback(error as OCPPError, false); + } else { + // Remove the request from the cache in case of error at response handling + this.requests.delete(messageId); + } + break; + } + if (error instanceof OCPPError === false) { logger.warn( - "%s Error thrown at incoming OCPP '%s' message '%j' handling is not an OCPPError: %j", - this.logPrefix(), - commandName ?? requestCommandName ?? null, - data.toString(), + `${this.logPrefix()} Error thrown at incoming OCPP command '${ + commandName ?? requestCommandName ?? Constants.UNKNOWN_COMMAND + }' message '${data.toString()}' handling is not an OCPPError:`, error ); } - // Send error - messageType === MessageType.CALL_MESSAGE && - (await this.ocppRequestService.sendError( - this, - messageId, - error as OCPPError, - commandName ?? requestCommandName ?? null - )); + logger.error( + `${this.logPrefix()} Incoming OCPP command '${ + commandName ?? requestCommandName ?? Constants.UNKNOWN_COMMAND + }' message '${data.toString()}'${ + messageType !== MessageType.CALL_MESSAGE + ? ` matching cached request '${JSON.stringify(this.requests.get(messageId))}'` + : '' + } processing error:`, + error + ); } } private onPing(): void { - logger.debug(this.logPrefix() + ' Received a WS ping (rfc6455) from the server'); + logger.debug(`${this.logPrefix()} Received a WS ping (rfc6455) from the server`); } private onPong(): void { - logger.debug(this.logPrefix() + ' Received a WS pong (rfc6455) from the server'); + logger.debug(`${this.logPrefix()} Received a WS pong (rfc6455) from the server`); } private onError(error: WSError): void { this.closeWSConnection(); - logger.error(this.logPrefix() + ' WebSocket error: %j', error); + logger.error(`${this.logPrefix()} WebSocket error:`, error); + } + + private getEnergyActiveImportRegister(connectorStatus: ConnectorStatus, rounded = false): number { + if (this.getMeteringPerTransaction() === true) { + return ( + (rounded === true + ? Math.round(connectorStatus?.transactionEnergyActiveImportRegisterValue) + : connectorStatus?.transactionEnergyActiveImportRegisterValue) ?? 0 + ); + } + return ( + (rounded === true + ? Math.round(connectorStatus?.energyActiveImportRegisterValue) + : connectorStatus?.energyActiveImportRegisterValue) ?? 0 + ); } - private getUseConnectorId0(stationInfo?: ChargingStationInfo): boolean | undefined { + private getUseConnectorId0(stationInfo?: ChargingStationInfo): boolean { const localStationInfo = stationInfo ?? this.stationInfo; - return !Utils.isUndefined(localStationInfo.useConnectorId0) - ? localStationInfo.useConnectorId0 - : true; + return localStationInfo?.useConnectorId0 ?? true; } private getNumberOfRunningTransactions(): number { let trxCount = 0; for (const connectorId of this.connectors.keys()) { - if (connectorId > 0 && this.getConnectorStatus(connectorId)?.transactionStarted) { + if (connectorId > 0 && this.getConnectorStatus(connectorId)?.transactionStarted === true) { trxCount++; } } return trxCount; } + private async stopRunningTransactions(reason = StopTransactionReason.NONE): Promise { + for (const connectorId of this.connectors.keys()) { + if (connectorId > 0 && this.getConnectorStatus(connectorId)?.transactionStarted === true) { + await this.stopTransactionOnConnector(connectorId, reason); + } + } + } + // 0 for disabling - private getConnectionTimeout(): number | undefined { + private getConnectionTimeout(): number { if ( ChargingStationConfigurationUtils.getConfigurationKey( this, @@ -1552,11 +1871,6 @@ export default class ChargingStation { return powerDivider; } - private getMaximumPower(stationInfo?: ChargingStationInfo): number { - const localStationInfo = stationInfo ?? this.stationInfo; - return (localStationInfo['maxPower'] as number) ?? localStationInfo.maximumPower; - } - private getMaximumAmperage(stationInfo: ChargingStationInfo): number | undefined { const maximumPower = this.getMaximumPower(stationInfo); switch (this.getCurrentOutType(stationInfo)) { @@ -1573,7 +1887,7 @@ export default class ChargingStation { private getAmperageLimitation(): number | undefined { if ( - this.stationInfo.amperageLimitationOcppKey && + Utils.isNotEmptyString(this.stationInfo?.amperageLimitationOcppKey) && ChargingStationConfigurationUtils.getConfigurationKey( this, this.stationInfo.amperageLimitationOcppKey @@ -1584,33 +1898,20 @@ export default class ChargingStation { ChargingStationConfigurationUtils.getConfigurationKey( this, this.stationInfo.amperageLimitationOcppKey - ).value + )?.value ) / ChargingStationUtils.getAmperageLimitationUnitDivider(this.stationInfo) ); } } private async startMessageSequence(): Promise { - if (this.stationInfo?.autoRegister) { + if (this.stationInfo?.autoRegister === true) { await this.ocppRequestService.requestHandler< BootNotificationRequest, BootNotificationResponse - >( - this, - RequestCommand.BOOT_NOTIFICATION, - { - chargePointModel: this.bootNotificationRequest.chargePointModel, - chargePointVendor: this.bootNotificationRequest.chargePointVendor, - chargeBoxSerialNumber: this.bootNotificationRequest.chargeBoxSerialNumber, - firmwareVersion: this.bootNotificationRequest.firmwareVersion, - chargePointSerialNumber: this.bootNotificationRequest.chargePointSerialNumber, - iccid: this.bootNotificationRequest.iccid, - imsi: this.bootNotificationRequest.imsi, - meterSerialNumber: this.bootNotificationRequest.meterSerialNumber, - meterType: this.bootNotificationRequest.meterType, - }, - { skipBufferingOnError: true } - ); + >(this, RequestCommand.BOOT_NOTIFICATION, this.bootNotificationRequest, { + skipBufferingOnError: true, + }); } // Start WebSocket ping this.startWebSocketPing(); @@ -1618,86 +1919,45 @@ export default class ChargingStation { this.startHeartbeat(); // Initialize connectors status for (const connectorId of this.connectors.keys()) { + let connectorStatus: ConnectorStatusEnum | undefined; if (connectorId === 0) { continue; } else if ( - !this.stopped && !this.getConnectorStatus(connectorId)?.status && - this.getConnectorStatus(connectorId)?.bootStatus + (this.isChargingStationAvailable() === false || + this.isConnectorAvailable(connectorId) === false) ) { - // Send status in template at startup - await this.ocppRequestService.requestHandler< - StatusNotificationRequest, - StatusNotificationResponse - >(this, RequestCommand.STATUS_NOTIFICATION, { - connectorId, - status: this.getConnectorStatus(connectorId).bootStatus, - errorCode: ChargePointErrorCode.NO_ERROR, - }); - this.getConnectorStatus(connectorId).status = - this.getConnectorStatus(connectorId).bootStatus; + connectorStatus = ConnectorStatusEnum.Unavailable; } else if ( - this.stopped && - this.getConnectorStatus(connectorId)?.status && + !this.getConnectorStatus(connectorId)?.status && this.getConnectorStatus(connectorId)?.bootStatus ) { - // Send status in template after reset - await this.ocppRequestService.requestHandler< - StatusNotificationRequest, - StatusNotificationResponse - >(this, RequestCommand.STATUS_NOTIFICATION, { - connectorId, - status: this.getConnectorStatus(connectorId).bootStatus, - errorCode: ChargePointErrorCode.NO_ERROR, - }); - this.getConnectorStatus(connectorId).status = - this.getConnectorStatus(connectorId).bootStatus; - } else if (!this.stopped && this.getConnectorStatus(connectorId)?.status) { - // Send previous status at template reload - await this.ocppRequestService.requestHandler< - StatusNotificationRequest, - StatusNotificationResponse - >(this, RequestCommand.STATUS_NOTIFICATION, { - connectorId, - status: this.getConnectorStatus(connectorId).status, - errorCode: ChargePointErrorCode.NO_ERROR, - }); + // Set boot status in template at startup + connectorStatus = this.getConnectorStatus(connectorId)?.bootStatus; + } else if (this.getConnectorStatus(connectorId)?.status) { + // Set previous status at startup + connectorStatus = this.getConnectorStatus(connectorId)?.status; } else { - // Send default status - await this.ocppRequestService.requestHandler< - StatusNotificationRequest, - StatusNotificationResponse - >(this, RequestCommand.STATUS_NOTIFICATION, { - connectorId, - status: ChargePointStatus.AVAILABLE, - errorCode: ChargePointErrorCode.NO_ERROR, - }); - this.getConnectorStatus(connectorId).status = ChargePointStatus.AVAILABLE; + // Set default status + connectorStatus = ConnectorStatusEnum.Available; } + await OCPPServiceUtils.sendAndSetConnectorStatus(this, connectorId, connectorStatus); } - // Start the ATG - this.startAutomaticTransactionGenerator(); - } - - private startAutomaticTransactionGenerator() { - if (this.getAutomaticTransactionGeneratorConfigurationFromTemplate()?.enable) { - if (!this.automaticTransactionGenerator) { - this.automaticTransactionGenerator = AutomaticTransactionGenerator.getInstance( - this.getAutomaticTransactionGeneratorConfigurationFromTemplate(), - this - ); - } - if (!this.automaticTransactionGenerator.started) { - this.automaticTransactionGenerator.start(); - } + if (this.stationInfo?.firmwareStatus === FirmwareStatus.Installing) { + await this.ocppRequestService.requestHandler< + FirmwareStatusNotificationRequest, + FirmwareStatusNotificationResponse + >(this, RequestCommand.FIRMWARE_STATUS_NOTIFICATION, { + status: FirmwareStatus.Installed, + }); + this.stationInfo.firmwareStatus = FirmwareStatus.Installed; } - } - private stopAutomaticTransactionGenerator(): void { - if (this.automaticTransactionGenerator?.started) { - this.automaticTransactionGenerator.stop(); - this.automaticTransactionGenerator = null; + // Start the ATG + if (this.getAutomaticTransactionGeneratorConfigurationFromTemplate()?.enable === true) { + this.startAutomaticTransactionGenerator(); } + this.wsConnectionRestarted === true && this.flushMessageBuffer(); } private async stopMessageSequence( @@ -1708,43 +1968,26 @@ export default class ChargingStation { // Stop heartbeat this.stopHeartbeat(); // Stop ongoing transactions - if (this.automaticTransactionGenerator?.configuration?.enable) { + if (this.automaticTransactionGenerator?.started === true) { this.stopAutomaticTransactionGenerator(); } else { - for (const connectorId of this.connectors.keys()) { - if (connectorId > 0 && this.getConnectorStatus(connectorId)?.transactionStarted) { - const transactionId = this.getConnectorStatus(connectorId).transactionId; - if ( - this.getBeginEndMeterValues() && - this.getOcppStrictCompliance() && - !this.getOutOfOrderEndMeterValues() - ) { - // FIXME: Implement OCPP version agnostic helpers - const transactionEndMeterValue = OCPP16ServiceUtils.buildTransactionEndMeterValue( - this, - connectorId, - this.getEnergyActiveImportRegisterByTransactionId(transactionId) - ); - await this.ocppRequestService.requestHandler( - this, - RequestCommand.METER_VALUES, - { - connectorId, - transactionId, - meterValue: [transactionEndMeterValue], - } - ); - } - await this.ocppRequestService.requestHandler< - StopTransactionRequest, - StopTransactionResponse - >(this, RequestCommand.STOP_TRANSACTION, { - transactionId, - meterStop: this.getEnergyActiveImportRegisterByTransactionId(transactionId), - idTag: this.getTransactionIdTag(transactionId), - reason, - }); - } + await this.stopRunningTransactions(reason); + } + for (const connectorId of this.connectors.keys()) { + if (connectorId > 0) { + await this.ocppRequestService.requestHandler< + StatusNotificationRequest, + StatusNotificationResponse + >( + this, + RequestCommand.STATUS_NOTIFICATION, + OCPPServiceUtils.buildStatusNotificationRequest( + this, + connectorId, + ConnectorStatusEnum.Unavailable + ) + ); + delete this.getConnectorStatus(connectorId)?.status; } } } @@ -1758,36 +2001,29 @@ export default class ChargingStation { ChargingStationConfigurationUtils.getConfigurationKey( this, StandardParametersKey.WebSocketPingInterval - ).value + )?.value ) : 0; if (webSocketPingInterval > 0 && !this.webSocketPingSetInterval) { this.webSocketPingSetInterval = setInterval(() => { - if (this.isWebSocketConnectionOpened()) { - this.wsConnection.ping((): void => { - /* This is intentional */ - }); + if (this.isWebSocketConnectionOpened() === true) { + this.wsConnection?.ping(); } }, webSocketPingInterval * 1000); logger.info( - this.logPrefix() + - ' WebSocket ping started every ' + - Utils.formatDurationSeconds(webSocketPingInterval) + `${this.logPrefix()} WebSocket ping started every ${Utils.formatDurationSeconds( + webSocketPingInterval + )}` ); } else if (this.webSocketPingSetInterval) { logger.info( - this.logPrefix() + - ' WebSocket ping every ' + - Utils.formatDurationSeconds(webSocketPingInterval) + - ' already started' + `${this.logPrefix()} WebSocket ping already started every ${Utils.formatDurationSeconds( + webSocketPingInterval + )}` ); } else { logger.error( - `${this.logPrefix()} WebSocket ping interval set to ${ - webSocketPingInterval - ? Utils.formatDurationSeconds(webSocketPingInterval) - : webSocketPingInterval - }, not starting the WebSocket ping` + `${this.logPrefix()} WebSocket ping interval set to ${webSocketPingInterval}, not starting the WebSocket ping` ); } } @@ -1795,170 +2031,68 @@ export default class ChargingStation { private stopWebSocketPing(): void { if (this.webSocketPingSetInterval) { clearInterval(this.webSocketPingSetInterval); + delete this.webSocketPingSetInterval; } } private getConfiguredSupervisionUrl(): URL { - const supervisionUrls = Utils.cloneObject( - this.stationInfo.supervisionUrls ?? Configuration.getSupervisionUrls() - ); - if (!Utils.isEmptyArray(supervisionUrls)) { - let urlIndex = 0; + const supervisionUrls = this.stationInfo?.supervisionUrls ?? Configuration.getSupervisionUrls(); + if (Utils.isNotEmptyArray(supervisionUrls)) { + let configuredSupervisionUrlIndex: number; switch (Configuration.getSupervisionUrlDistribution()) { - case SupervisionUrlDistribution.ROUND_ROBIN: - urlIndex = (this.index - 1) % supervisionUrls.length; - break; case SupervisionUrlDistribution.RANDOM: - // Get a random url - urlIndex = Math.floor(Utils.secureRandom() * supervisionUrls.length); - break; - case SupervisionUrlDistribution.SEQUENTIAL: - if (this.index <= supervisionUrls.length) { - urlIndex = this.index - 1; - } else { - logger.warn( - `${this.logPrefix()} No more configured supervision urls available, using the first one` - ); - } + configuredSupervisionUrlIndex = Math.floor(Utils.secureRandom() * supervisionUrls.length); break; + case SupervisionUrlDistribution.ROUND_ROBIN: + case SupervisionUrlDistribution.CHARGING_STATION_AFFINITY: default: - logger.error( - `${this.logPrefix()} Unknown supervision url distribution '${Configuration.getSupervisionUrlDistribution()}' from values '${SupervisionUrlDistribution.toString()}', defaulting to ${ - SupervisionUrlDistribution.ROUND_ROBIN - }` - ); - urlIndex = (this.index - 1) % supervisionUrls.length; + Object.values(SupervisionUrlDistribution).includes( + Configuration.getSupervisionUrlDistribution() + ) === false && + logger.error( + `${this.logPrefix()} Unknown supervision url distribution '${Configuration.getSupervisionUrlDistribution()}' from values '${SupervisionUrlDistribution.toString()}', defaulting to ${ + SupervisionUrlDistribution.CHARGING_STATION_AFFINITY + }` + ); + configuredSupervisionUrlIndex = (this.index - 1) % supervisionUrls.length; break; } - return new URL(supervisionUrls[urlIndex]); + return new URL(supervisionUrls[configuredSupervisionUrlIndex]); } return new URL(supervisionUrls as string); } - private getHeartbeatInterval(): number | undefined { - const HeartbeatInterval = ChargingStationConfigurationUtils.getConfigurationKey( - this, - StandardParametersKey.HeartbeatInterval - ); - if (HeartbeatInterval) { - return Utils.convertToInt(HeartbeatInterval.value) * 1000; - } - const HeartBeatInterval = ChargingStationConfigurationUtils.getConfigurationKey( - this, - StandardParametersKey.HeartBeatInterval - ); - if (HeartBeatInterval) { - return Utils.convertToInt(HeartBeatInterval.value) * 1000; - } - !this.stationInfo?.autoRegister && - logger.warn( - `${this.logPrefix()} Heartbeat interval configuration key not set, using default value: ${ - Constants.DEFAULT_HEARTBEAT_INTERVAL - }` - ); - return Constants.DEFAULT_HEARTBEAT_INTERVAL; - } - private stopHeartbeat(): void { if (this.heartbeatSetInterval) { clearInterval(this.heartbeatSetInterval); - } - } - - private openWSConnection( - options: WsOptions = this.stationInfo?.wsOptions ?? {}, - params: { closeOpened?: boolean; terminateOpened?: boolean } = { - closeOpened: false, - terminateOpened: false, - } - ): void { - options.handshakeTimeout = options?.handshakeTimeout ?? this.getConnectionTimeout() * 1000; - params.closeOpened = params?.closeOpened ?? false; - params.terminateOpened = params?.terminateOpened ?? false; - if ( - !Utils.isNullOrUndefined(this.stationInfo.supervisionUser) && - !Utils.isNullOrUndefined(this.stationInfo.supervisionPassword) - ) { - options.auth = `${this.stationInfo.supervisionUser}:${this.stationInfo.supervisionPassword}`; - } - if (params?.closeOpened) { - this.closeWSConnection(); - } - if (params?.terminateOpened) { - this.terminateWSConnection(); - } - let protocol: string; - switch (this.getOcppVersion()) { - case OCPPVersion.VERSION_16: - protocol = 'ocpp' + OCPPVersion.VERSION_16; - break; - default: - this.handleUnsupportedVersion(this.getOcppVersion()); - break; - } - - logger.info( - this.logPrefix() + ' Open OCPP connection to URL ' + this.wsConnectionUrl.toString() - ); - - this.wsConnection = new WebSocket(this.wsConnectionUrl, protocol, options); - - // Handle WebSocket message - this.wsConnection.on( - 'message', - this.onMessage.bind(this) as (this: WebSocket, data: RawData, isBinary: boolean) => void - ); - // Handle WebSocket error - this.wsConnection.on( - 'error', - this.onError.bind(this) as (this: WebSocket, error: Error) => void - ); - // Handle WebSocket close - this.wsConnection.on( - 'close', - this.onClose.bind(this) as (this: WebSocket, code: number, reason: Buffer) => void - ); - // Handle WebSocket open - this.wsConnection.on('open', this.onOpen.bind(this) as (this: WebSocket) => void); - // Handle WebSocket ping - this.wsConnection.on('ping', this.onPing.bind(this) as (this: WebSocket, data: Buffer) => void); - // Handle WebSocket pong - this.wsConnection.on('pong', this.onPong.bind(this) as (this: WebSocket, data: Buffer) => void); - } - - private closeWSConnection(): void { - if (this.isWebSocketConnectionOpened()) { - this.wsConnection.close(); - this.wsConnection = null; + delete this.heartbeatSetInterval; } } private terminateWSConnection(): void { - if (this.isWebSocketConnectionOpened()) { - this.wsConnection.terminate(); + if (this.isWebSocketConnectionOpened() === true) { + this.wsConnection?.terminate(); this.wsConnection = null; } } private stopMeterValues(connectorId: number) { if (this.getConnectorStatus(connectorId)?.transactionSetInterval) { - clearInterval(this.getConnectorStatus(connectorId).transactionSetInterval); + clearInterval(this.getConnectorStatus(connectorId)?.transactionSetInterval); } } - private getReconnectExponentialDelay(): boolean | undefined { - return !Utils.isUndefined(this.stationInfo.reconnectExponentialDelay) - ? this.stationInfo.reconnectExponentialDelay - : false; + private getReconnectExponentialDelay(): boolean { + return this.stationInfo?.reconnectExponentialDelay ?? false; } - private async reconnect(code: number): Promise { + private async reconnect(): Promise { // Stop WebSocket ping this.stopWebSocketPing(); // Stop heartbeat this.stopHeartbeat(); // Stop the ATG if needed - if (this.automaticTransactionGenerator?.configuration?.stopOnConnectionFailure) { + if (this.automaticTransactionGenerator?.configuration?.stopOnConnectionFailure === true) { this.stopAutomaticTransactionGenerator(); } if ( @@ -1975,41 +2109,44 @@ export default class ChargingStation { ? reconnectDelay - reconnectDelayWithdraw : 0; logger.error( - `${this.logPrefix()} WebSocket: connection retry in ${Utils.roundTo( + `${this.logPrefix()} WebSocket connection retry in ${Utils.roundTo( reconnectDelay, 2 )}ms, timeout ${reconnectTimeout}ms` ); await Utils.sleep(reconnectDelay); logger.error( - this.logPrefix() + - ' WebSocket: reconnecting try #' + - this.autoReconnectRetryCount.toString() + `${this.logPrefix()} WebSocket connection retry #${this.autoReconnectRetryCount.toString()}` ); this.openWSConnection( - { ...(this.stationInfo?.wsOptions ?? {}), handshakeTimeout: reconnectTimeout }, + { + ...(this.stationInfo?.wsOptions ?? {}), + handshakeTimeout: reconnectTimeout, + }, { closeOpened: true } ); this.wsConnectionRestarted = true; } else if (this.getAutoReconnectMaxRetries() !== -1) { logger.error( - `${this.logPrefix()} WebSocket reconnect failure: maximum retries reached (${ + `${this.logPrefix()} WebSocket connection retries failure: maximum retries reached (${ this.autoReconnectRetryCount - }) or retry disabled (${this.getAutoReconnectMaxRetries()})` + }) or retries disabled (${this.getAutoReconnectMaxRetries()})` ); } } - private getAutomaticTransactionGeneratorConfigurationFromTemplate(): AutomaticTransactionGeneratorConfiguration | null { - return this.getTemplateFromFile()?.AutomaticTransactionGenerator ?? null; + private getAutomaticTransactionGeneratorConfigurationFromTemplate(): + | AutomaticTransactionGeneratorConfiguration + | undefined { + return this.getTemplateFromFile()?.AutomaticTransactionGenerator; } - private initializeConnectorStatus(connectorId: number): void { - this.getConnectorStatus(connectorId).idTagLocalAuthorized = false; - this.getConnectorStatus(connectorId).idTagAuthorized = false; - this.getConnectorStatus(connectorId).transactionRemoteStarted = false; - this.getConnectorStatus(connectorId).transactionStarted = false; - this.getConnectorStatus(connectorId).energyActiveImportRegisterValue = 0; - this.getConnectorStatus(connectorId).transactionEnergyActiveImportRegisterValue = 0; + private initializeConnectorStatus(connectorStatus: ConnectorStatus): void { + connectorStatus.idTagLocalAuthorized = false; + connectorStatus.idTagAuthorized = false; + connectorStatus.transactionRemoteStarted = false; + connectorStatus.transactionStarted = false; + connectorStatus.energyActiveImportRegisterValue = 0; + connectorStatus.transactionEnergyActiveImportRegisterValue = 0; } }