X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;f=src%2Fcharging-station%2FChargingStation.ts;h=cd84076e29e3bf54e133af5258741d583b2f68fa;hb=08f130a055123f5e47c59e1a64875f8cff44d020;hp=488333379b3f847ef6749efc70fcbb10e46577ce;hpb=73c4266dacc6883a6089ed86725e4c19842cdad8;p=e-mobility-charging-stations-simulator.git diff --git a/src/charging-station/ChargingStation.ts b/src/charging-station/ChargingStation.ts index 48833337..cd84076e 100644 --- a/src/charging-station/ChargingStation.ts +++ b/src/charging-station/ChargingStation.ts @@ -1,60 +1,108 @@ // Partial Copyright Jerome Benoit. 2021. All Rights Reserved. -import { AvailabilityType, BootNotificationRequest, CachedRequest, IncomingRequest, IncomingRequestCommand, RequestCommand } from '../types/ocpp/Requests'; -import { BootNotificationResponse, RegistrationStatus } from '../types/ocpp/Responses'; -import ChargingStationConfiguration, { ConfigurationKey } from '../types/ChargingStationConfiguration'; -import ChargingStationTemplate, { CurrentType, PowerUnits, Voltage } from '../types/ChargingStationTemplate'; -import { ConnectorPhaseRotation, StandardParametersKey, SupportedFeatureProfiles, VendorDefaultParametersKey } from '../types/ocpp/Configuration'; -import { MeterValueMeasurand, MeterValuePhase } from '../types/ocpp/MeterValues'; +import { ACElectricUtils, DCElectricUtils } from '../utils/ElectricUtils'; +import { + AvailabilityType, + BootNotificationRequest, + CachedRequest, + HeartbeatRequest, + IncomingRequest, + IncomingRequestCommand, + MeterValuesRequest, + RequestCommand, + StatusNotificationRequest, +} from '../types/ocpp/Requests'; +import { + BootNotificationResponse, + ErrorResponse, + HeartbeatResponse, + MeterValuesResponse, + RegistrationStatus, + Response, + StatusNotificationResponse, +} from '../types/ocpp/Responses'; +import { + ChargingProfile, + ChargingRateUnitType, + ChargingSchedulePeriod, +} from '../types/ocpp/ChargingProfile'; +import { ChargingProfileKindType, RecurrencyKindType } from '../types/ocpp/1.6/ChargingProfile'; +import ChargingStationConfiguration, { Section } from '../types/ChargingStationConfiguration'; +import ChargingStationOcppConfiguration, { + ConfigurationKey, +} from '../types/ChargingStationOcppConfiguration'; +import ChargingStationTemplate, { + AmpereUnits, + CurrentType, + PowerUnits, + Voltage, + WsOptions, +} from '../types/ChargingStationTemplate'; +import { + ConnectorPhaseRotation, + StandardParametersKey, + SupportedFeatureProfiles, + VendorDefaultParametersKey, +} from '../types/ocpp/Configuration'; +import { MeterValue, MeterValueMeasurand, MeterValuePhase } from '../types/ocpp/MeterValues'; +import { + StopTransactionReason, + StopTransactionRequest, + StopTransactionResponse, +} from '../types/ocpp/Transaction'; import { WSError, WebSocketCloseEventStatusCode } from '../types/WebSocket'; -import WebSocket, { ClientOptions, Data, OPEN } from 'ws'; +import WebSocket, { Data, OPEN, RawData } from 'ws'; import AutomaticTransactionGenerator from './AutomaticTransactionGenerator'; +import BaseError from '../exception/BaseError'; +import { ChargePointErrorCode } from '../types/ocpp/ChargePointErrorCode'; import { ChargePointStatus } from '../types/ocpp/ChargePointStatus'; -import { ChargingProfile } from '../types/ocpp/ChargingProfile'; import ChargingStationInfo from '../types/ChargingStationInfo'; import { ChargingStationWorkerMessageEvents } from '../types/ChargingStationWorker'; -import { ClientRequestArgs } from 'http'; import Configuration from '../utils/Configuration'; import { ConnectorStatus } from '../types/ConnectorStatus'; import Constants from '../utils/Constants'; import { ErrorType } from '../types/ocpp/ErrorType'; +import { FileType } from '../types/FileType'; import FileUtils from '../utils/FileUtils'; import { JsonType } from '../types/JsonType'; import { MessageType } from '../types/ocpp/MessageType'; 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 OCPPError from '../exception/OCPPError'; import OCPPIncomingRequestService from './ocpp/OCPPIncomingRequestService'; import OCPPRequestService from './ocpp/OCPPRequestService'; import { OCPPVersion } from '../types/ocpp/OCPPVersion'; import PerformanceStatistics from '../performance/PerformanceStatistics'; import { SampledValueTemplate } from '../types/MeasurandPerPhaseSampledValueTemplates'; -import { StopTransactionReason } from '../types/ocpp/Transaction'; import { SupervisionUrlDistribution } from '../types/ConfigurationData'; import { URL } from 'url'; import Utils from '../utils/Utils'; import crypto from 'crypto'; import fs from 'fs'; import logger from '../utils/Logger'; +import moment from 'moment'; import { parentPort } from 'worker_threads'; import path from 'path'; export default class ChargingStation { - public readonly stationTemplateFile: string; + public hashId!: string; + public readonly templateFile: string; public authorizedTags: string[]; public stationInfo!: ChargingStationInfo; public readonly connectors: Map; - public configuration!: ChargingStationConfiguration; + public ocppConfiguration!: ChargingStationOcppConfiguration; public wsConnection!: WebSocket; public readonly requests: Map; public performanceStatistics!: PerformanceStatistics; public heartbeatSetInterval!: NodeJS.Timeout; public ocppRequestService!: OCPPRequestService; + public bootNotificationResponse!: BootNotificationResponse | null; private readonly index: number; + private configurationFile!: string; private bootNotificationRequest!: BootNotificationRequest; - private bootNotificationResponse!: BootNotificationResponse | null; private connectorsConfigurationHash!: string; private ocppIncomingRequestService!: OCPPIncomingRequestService; private readonly messageBuffer: Set; @@ -65,24 +113,27 @@ export default class ChargingStation { private automaticTransactionGenerator!: AutomaticTransactionGenerator; private webSocketPingSetInterval!: NodeJS.Timeout; - constructor(index: number, stationTemplateFile: string) { + constructor(index: number, templateFile: string) { this.index = index; - this.stationTemplateFile = stationTemplateFile; - this.connectors = new Map(); - this.initialize(); - + this.templateFile = templateFile; this.stopped = false; this.wsConnectionRestarted = false; this.autoReconnectRetryCount = 0; - + this.connectors = new Map(); this.requests = new Map(); this.messageBuffer = new Set(); - + this.initialize(); this.authorizedTags = this.getAuthorizedTags(); } - get wsConnectionUrl(): URL { - return this.getSupervisionUrlOcppConfiguration() ? new URL(this.getConfigurationKey(this.stationInfo.supervisionUrlOcppKey ?? VendorDefaultParametersKey.ConnectionUrl).value + '/' + this.stationInfo.chargingStationId) : this.wsConfiguredConnectionUrl; + private get wsConnectionUrl(): URL { + return this.getSupervisionUrlOcppConfiguration() + ? new URL( + this.getConfigurationKey(this.getSupervisionUrlOcppKey()).value + + '/' + + this.stationInfo.chargingStationId + ) + : this.wsConfiguredConnectionUrl; } public logPrefix(): string { @@ -103,7 +154,9 @@ export default class ChargingStation { } public getEnableStatistics(): boolean | undefined { - return !Utils.isUndefined(this.stationInfo.enableStatistics) ? this.stationInfo.enableStatistics : true; + return !Utils.isUndefined(this.stationInfo.enableStatistics) + ? this.stationInfo.enableStatistics + : true; } public getMayAuthorizeAtRemoteStart(): boolean | undefined { @@ -113,7 +166,9 @@ export default class ChargingStation { public getNumberOfPhases(): number | undefined { switch (this.getCurrentOutType()) { case CurrentType.AC: - return !Utils.isUndefined(this.stationInfo.numberOfPhases) ? this.stationInfo.numberOfPhases : 3; + return !Utils.isUndefined(this.stationInfo.numberOfPhases) + ? this.stationInfo.numberOfPhases + : 3; case CurrentType.DC: return 0; } @@ -123,6 +178,10 @@ export default class ChargingStation { return this?.wsConnection?.readyState === OPEN; } + public getRegistrationStatus(): RegistrationStatus { + return this?.bootNotificationResponse?.status; + } + public isInUnknownState(): boolean { return Utils.isNullOrUndefined(this?.bootNotificationResponse?.status); } @@ -148,7 +207,7 @@ export default class ChargingStation { } public isConnectorAvailable(id: number): boolean { - return this.getConnectorStatus(id).availability === AvailabilityType.OPERATIVE; + return id > 0 && this.getConnectorStatus(id).availability === AvailabilityType.OPERATIVE; } public getNumberOfConnectors(): number { @@ -163,8 +222,14 @@ export default class ChargingStation { return this.stationInfo.currentOutType ?? CurrentType.AC; } + public getOcppStrictCompliance(): boolean { + return this.stationInfo.ocppStrictCompliance ?? false; + } + public getVoltageOut(): number | undefined { - const errMsg = `${this.logPrefix()} Unknown ${this.getCurrentOutType()} currentOutType in template file ${this.stationTemplateFile}, cannot define default voltage out`; + const errMsg = `${this.logPrefix()} Unknown ${this.getCurrentOutType()} currentOutType in template file ${ + this.templateFile + }, cannot define default voltage out`; let defaultVoltageOut: number; switch (this.getCurrentOutType()) { case CurrentType.AC: @@ -177,7 +242,36 @@ export default class ChargingStation { logger.error(errMsg); throw new Error(errMsg); } - return !Utils.isUndefined(this.stationInfo.voltageOut) ? this.stationInfo.voltageOut : defaultVoltageOut; + return !Utils.isUndefined(this.stationInfo.voltageOut) + ? this.stationInfo.voltageOut + : defaultVoltageOut; + } + + public getConnectorMaximumAvailablePower(connectorId: number): number { + let connectorAmperageLimitationPowerLimit: number; + if ( + !Utils.isNullOrUndefined(this.getAmperageLimitation()) && + this.getAmperageLimitation() < this.stationInfo.maximumAmperage + ) { + connectorAmperageLimitationPowerLimit = + (this.getCurrentOutType() === CurrentType.AC + ? ACElectricUtils.powerTotal( + this.getNumberOfPhases(), + this.getVoltageOut(), + this.getAmperageLimitation() * this.getNumberOfConnectors() + ) + : DCElectricUtils.power(this.getVoltageOut(), this.getAmperageLimitation())) / + this.stationInfo.powerDivider; + } + const connectorMaximumPower = this.getMaximumPower() / this.stationInfo.powerDivider; + const connectorChargingProfilePowerLimit = this.getChargingProfilePowerLimit(connectorId); + return Math.min( + isNaN(connectorMaximumPower) ? Infinity : connectorMaximumPower, + isNaN(connectorAmperageLimitationPowerLimit) + ? Infinity + : connectorAmperageLimitationPowerLimit, + isNaN(connectorChargingProfilePowerLimit) ? Infinity : connectorChargingProfilePowerLimit + ); } public getTransactionIdTag(transactionId: number): string | undefined { @@ -212,35 +306,52 @@ export default class ChargingStation { return this.stationInfo.phaseLineToLineVoltageMeterValues ?? false; } - public getEnergyActiveImportRegisterByTransactionId(transactionId: number): number | undefined { - if (this.getMeteringPerTransaction()) { - for (const connectorId of this.connectors.keys()) { - if (connectorId > 0 && this.getConnectorStatus(connectorId).transactionId === transactionId) { - return this.getConnectorStatus(connectorId).transactionEnergyActiveImportRegisterValue; - } - } - } + public getCustomValueLimitationMeterValues(): boolean { + return this.stationInfo.customValueLimitationMeterValues ?? true; + } + + public getConnectorIdByTransactionId(transactionId: number): number | undefined { for (const connectorId of this.connectors.keys()) { - if (connectorId > 0 && this.getConnectorStatus(connectorId).transactionId === transactionId) { - return this.getConnectorStatus(connectorId).energyActiveImportRegisterValue; + if ( + connectorId > 0 && + this.getConnectorStatus(connectorId)?.transactionId === transactionId + ) { + return connectorId; } } } + public getEnergyActiveImportRegisterByTransactionId(transactionId: number): number | undefined { + const transactionConnectorStatus = this.getConnectorStatus( + this.getConnectorIdByTransactionId(transactionId) + ); + if (this.getMeteringPerTransaction()) { + return transactionConnectorStatus?.transactionEnergyActiveImportRegisterValue; + } + return transactionConnectorStatus?.energyActiveImportRegisterValue; + } + public getEnergyActiveImportRegisterByConnectorId(connectorId: number): number | undefined { + const connectorStatus = this.getConnectorStatus(connectorId); if (this.getMeteringPerTransaction()) { - return this.getConnectorStatus(connectorId).transactionEnergyActiveImportRegisterValue; + return connectorStatus?.transactionEnergyActiveImportRegisterValue; } - return this.getConnectorStatus(connectorId).energyActiveImportRegisterValue; + return connectorStatus?.energyActiveImportRegisterValue; } public getAuthorizeRemoteTxRequests(): boolean { - const authorizeRemoteTxRequests = this.getConfigurationKey(StandardParametersKey.AuthorizeRemoteTxRequests); - return authorizeRemoteTxRequests ? Utils.convertToBoolean(authorizeRemoteTxRequests.value) : false; + const authorizeRemoteTxRequests = this.getConfigurationKey( + StandardParametersKey.AuthorizeRemoteTxRequests + ); + return authorizeRemoteTxRequests + ? Utils.convertToBoolean(authorizeRemoteTxRequests.value) + : false; } public getLocalAuthListEnabled(): boolean { - const localAuthListEnabled = this.getConfigurationKey(StandardParametersKey.LocalAuthListEnabled); + const localAuthListEnabled = this.getConfigurationKey( + StandardParametersKey.LocalAuthListEnabled + ); return localAuthListEnabled ? Utils.convertToBoolean(localAuthListEnabled.value) : false; } @@ -251,28 +362,70 @@ export default class ChargingStation { this.startWebSocketPing(); } - public getSampledValueTemplate(connectorId: number, measurand: MeterValueMeasurand = MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER, - phase?: MeterValuePhase): SampledValueTemplate | undefined { + public getSampledValueTemplate( + connectorId: number, + measurand: MeterValueMeasurand = MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER, + phase?: MeterValuePhase + ): SampledValueTemplate | undefined { + const onPhaseStr = phase ? `on phase ${phase} ` : ''; if (!Constants.SUPPORTED_MEASURANDS.includes(measurand)) { - logger.warn(`${this.logPrefix()} Trying to get unsupported MeterValues measurand '${measurand}' ${phase ? `on phase ${phase} ` : ''}in template on connectorId ${connectorId}`); + logger.warn( + `${this.logPrefix()} Trying to get unsupported MeterValues measurand '${measurand}' ${onPhaseStr}in template on connectorId ${connectorId}` + ); return; } - if (measurand !== MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER && !this.getConfigurationKey(StandardParametersKey.MeterValuesSampledData).value.includes(measurand)) { - logger.debug(`${this.logPrefix()} Trying to get MeterValues measurand '${measurand}' ${phase ? `on phase ${phase} ` : ''}in template on connectorId ${connectorId} not found in '${StandardParametersKey.MeterValuesSampledData}' OCPP parameter`); + if ( + measurand !== MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER && + !this.getConfigurationKey(StandardParametersKey.MeterValuesSampledData)?.value.includes( + measurand + ) + ) { + logger.debug( + `${this.logPrefix()} Trying to get MeterValues measurand '${measurand}' ${onPhaseStr}in template on connectorId ${connectorId} not found in '${ + StandardParametersKey.MeterValuesSampledData + }' OCPP parameter` + ); return; } - const sampledValueTemplates: SampledValueTemplate[] = this.getConnectorStatus(connectorId).MeterValues; - for (let index = 0; !Utils.isEmptyArray(sampledValueTemplates) && index < sampledValueTemplates.length; index++) { - if (!Constants.SUPPORTED_MEASURANDS.includes(sampledValueTemplates[index]?.measurand ?? MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER)) { - logger.warn(`${this.logPrefix()} Unsupported MeterValues measurand '${measurand}' ${phase ? `on phase ${phase} ` : ''}in template on connectorId ${connectorId}`); - } else if (phase && sampledValueTemplates[index]?.phase === phase && sampledValueTemplates[index]?.measurand === measurand - && this.getConfigurationKey(StandardParametersKey.MeterValuesSampledData).value.includes(measurand)) { + const sampledValueTemplates: SampledValueTemplate[] = + this.getConnectorStatus(connectorId).MeterValues; + for ( + let index = 0; + !Utils.isEmptyArray(sampledValueTemplates) && index < sampledValueTemplates.length; + index++ + ) { + if ( + !Constants.SUPPORTED_MEASURANDS.includes( + sampledValueTemplates[index]?.measurand ?? + MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER + ) + ) { + logger.warn( + `${this.logPrefix()} Unsupported MeterValues measurand '${measurand}' ${onPhaseStr}in template on connectorId ${connectorId}` + ); + } else if ( + phase && + sampledValueTemplates[index]?.phase === phase && + sampledValueTemplates[index]?.measurand === measurand && + this.getConfigurationKey(StandardParametersKey.MeterValuesSampledData)?.value.includes( + measurand + ) + ) { return sampledValueTemplates[index]; - } else if (!phase && !sampledValueTemplates[index].phase && sampledValueTemplates[index]?.measurand === measurand - && this.getConfigurationKey(StandardParametersKey.MeterValuesSampledData).value.includes(measurand)) { + } else if ( + !phase && + !sampledValueTemplates[index].phase && + sampledValueTemplates[index]?.measurand === measurand && + this.getConfigurationKey(StandardParametersKey.MeterValuesSampledData)?.value.includes( + measurand + ) + ) { return sampledValueTemplates[index]; - } else if (measurand === MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER - && (!sampledValueTemplates[index].measurand || sampledValueTemplates[index].measurand === measurand)) { + } else if ( + measurand === MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER && + (!sampledValueTemplates[index].measurand || + sampledValueTemplates[index].measurand === measurand) + ) { return sampledValueTemplates[index]; } } @@ -281,7 +434,9 @@ export default class ChargingStation { logger.error(errorMsg); throw new Error(errorMsg); } - logger.debug(`${this.logPrefix()} No MeterValues for measurand '${measurand}' ${phase ? `on phase ${phase} ` : ''}in template on connectorId ${connectorId}`); + logger.debug( + `${this.logPrefix()} No MeterValues for measurand '${measurand}' ${onPhaseStr}in template on connectorId ${connectorId}` + ); } public getAutomaticTransactionGeneratorRequireAuthorize(): boolean { @@ -289,16 +444,37 @@ export default class ChargingStation { } public startHeartbeat(): void { - if (this.getHeartbeatInterval() && this.getHeartbeatInterval() > 0 && !this.heartbeatSetInterval) { + if ( + this.getHeartbeatInterval() && + this.getHeartbeatInterval() > 0 && + !this.heartbeatSetInterval + ) { // eslint-disable-next-line @typescript-eslint/no-misused-promises this.heartbeatSetInterval = setInterval(async (): Promise => { - await this.ocppRequestService.sendHeartbeat(); + await this.ocppRequestService.requestHandler( + this, + RequestCommand.HEARTBEAT + ); }, this.getHeartbeatInterval()); - logger.info(this.logPrefix() + ' Heartbeat started every ' + Utils.formatDurationMilliSeconds(this.getHeartbeatInterval())); + logger.info( + this.logPrefix() + + ' Heartbeat started every ' + + Utils.formatDurationMilliSeconds(this.getHeartbeatInterval()) + ); } else if (this.heartbeatSetInterval) { - logger.info(this.logPrefix() + ' Heartbeat already started every ' + Utils.formatDurationMilliSeconds(this.getHeartbeatInterval())); + logger.info( + this.logPrefix() + + ' Heartbeat already started every ' + + Utils.formatDurationMilliSeconds(this.getHeartbeatInterval()) + ); } else { - logger.error(`${this.logPrefix()} Heartbeat interval set to ${this.getHeartbeatInterval() ? Utils.formatDurationMilliSeconds(this.getHeartbeatInterval()) : this.getHeartbeatInterval()}, not starting the heartbeat`); + logger.error( + `${this.logPrefix()} Heartbeat interval set to ${ + this.getHeartbeatInterval() + ? Utils.formatDurationMilliSeconds(this.getHeartbeatInterval()) + : this.getHeartbeatInterval() + }, not starting the heartbeat` + ); } } @@ -311,27 +487,63 @@ export default class ChargingStation { public startMeterValues(connectorId: number, interval: number): void { if (connectorId === 0) { - logger.error(`${this.logPrefix()} Trying to start MeterValues on connector Id ${connectorId.toString()}`); + logger.error( + `${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 ${connectorId.toString()}`); + logger.error( + `${this.logPrefix()} Trying to start MeterValues on non existing connector Id ${connectorId.toString()}` + ); return; } if (!this.getConnectorStatus(connectorId)?.transactionStarted) { - logger.error(`${this.logPrefix()} Trying to start MeterValues on connector Id ${connectorId} with no transaction started`); + logger.error( + `${this.logPrefix()} Trying to start MeterValues on connector Id ${connectorId} with no transaction started` + ); return; - } else if (this.getConnectorStatus(connectorId)?.transactionStarted && !this.getConnectorStatus(connectorId)?.transactionId) { - logger.error(`${this.logPrefix()} Trying to start MeterValues on connector Id ${connectorId} with no transaction id`); + } else if ( + this.getConnectorStatus(connectorId)?.transactionStarted && + !this.getConnectorStatus(connectorId)?.transactionId + ) { + logger.error( + `${this.logPrefix()} Trying to start MeterValues on connector Id ${connectorId} with no transaction id` + ); return; } if (interval > 0) { // eslint-disable-next-line @typescript-eslint/no-misused-promises - this.getConnectorStatus(connectorId).transactionSetInterval = setInterval(async (): Promise => { - await this.ocppRequestService.sendMeterValues(connectorId, this.getConnectorStatus(connectorId).transactionId, interval); - }, interval); + this.getConnectorStatus(connectorId).transactionSetInterval = setInterval( + // eslint-disable-next-line @typescript-eslint/no-misused-promises + async (): Promise => { + // FIXME: Implement OCPP version agnostic helpers + const meterValue: MeterValue = OCPP16ServiceUtils.buildMeterValue( + this, + connectorId, + this.getConnectorStatus(connectorId).transactionId, + interval + ); + await this.ocppRequestService.requestHandler( + this, + RequestCommand.METER_VALUES, + { + connectorId, + transactionId: this.getConnectorStatus(connectorId).transactionId, + meterValue: [meterValue], + } + ); + }, + interval + ); } else { - logger.error(`${this.logPrefix()} Charging station ${StandardParametersKey.MeterValueSampleInterval} configuration set to ${interval ? Utils.formatDurationMilliSeconds(interval) : interval}, not sending MeterValues`); + logger.error( + `${this.logPrefix()} Charging station ${ + StandardParametersKey.MeterValueSampleInterval + } configuration set to ${ + interval ? Utils.formatDurationMilliSeconds(interval) : interval + }, not sending MeterValues` + ); } } @@ -340,23 +552,77 @@ export default class ChargingStation { this.performanceStatistics.start(); } this.openWSConnection(); - // Monitor authorization file - this.startAuthorizationFileMonitoring(); - // Monitor station template file - this.startStationTemplateFileMonitoring(); // Handle WebSocket message - this.wsConnection.on('message', this.onMessage.bind(this)); + 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)); + 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)); + 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)); + this.wsConnection.on('open', this.onOpen.bind(this) as (this: WebSocket) => void); // Handle WebSocket ping - this.wsConnection.on('ping', this.onPing.bind(this)); + 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)); - parentPort.postMessage({ id: ChargingStationWorkerMessageEvents.STARTED, data: { id: this.stationInfo.chargingStationId } }); + this.wsConnection.on('pong', this.onPong.bind(this) as (this: WebSocket, data: Buffer) => void); + // Monitor authorization file + FileUtils.watchJsonFile( + this.logPrefix(), + FileType.Authorization, + this.getAuthorizationFile(), + this.authorizedTags + ); + // Monitor charging station template file + FileUtils.watchJsonFile( + this.logPrefix(), + FileType.ChargingStationTemplate, + this.templateFile, + null, + (event, filename): void => { + if (filename && event === 'change') { + try { + logger.debug( + `${this.logPrefix()} ${FileType.ChargingStationTemplate} ${ + this.templateFile + } file have changed, reload` + ); + // Initialize + this.initialize(); + // Restart the ATG + if ( + !this.stationInfo.AutomaticTransactionGenerator.enable && + this.automaticTransactionGenerator + ) { + this.automaticTransactionGenerator.stop(); + } + this.startAutomaticTransactionGenerator(); + if (this.getEnableStatistics()) { + this.performanceStatistics.restart(); + } else { + this.performanceStatistics.stop(); + } + // FIXME?: restart heartbeat and WebSocket ping when their interval values have changed + } catch (error) { + logger.error( + `${this.logPrefix()} ${FileType.ChargingStationTemplate} file monitoring error: %j`, + error + ); + } + } + } + ); + parentPort.postMessage({ + id: ChargingStationWorkerMessageEvents.STARTED, + data: { id: this.stationInfo.chargingStationId }, + }); } public async stop(reason: StopTransactionReason = StopTransactionReason.NONE): Promise { @@ -364,7 +630,14 @@ export default class ChargingStation { await this.stopMessageSequence(reason); for (const connectorId of this.connectors.keys()) { if (connectorId > 0) { - await this.ocppRequestService.sendStatusNotification(connectorId, ChargePointStatus.UNAVAILABLE); + await this.ocppRequestService.requestHandler< + StatusNotificationRequest, + StatusNotificationResponse + >(this, RequestCommand.STATUS_NOTIFICATION, { + connectorId, + status: ChargePointStatus.UNAVAILABLE, + errorCode: ChargePointErrorCode.NO_ERROR, + }); this.getConnectorStatus(connectorId).status = ChargePointStatus.UNAVAILABLE; } } @@ -375,12 +648,26 @@ export default class ChargingStation { this.performanceStatistics.stop(); } this.bootNotificationResponse = null; - parentPort.postMessage({ id: ChargingStationWorkerMessageEvents.STOPPED, data: { id: this.stationInfo.chargingStationId } }); + parentPort.postMessage({ + id: ChargingStationWorkerMessageEvents.STOPPED, + data: { id: this.stationInfo.chargingStationId }, + }); this.stopped = true; } - public getConfigurationKey(key: string | StandardParametersKey, caseInsensitive = false): ConfigurationKey | undefined { - return this.configuration.configurationKey.find((configElement) => { + public async reset(reason?: StopTransactionReason): Promise { + await this.stop(reason); + await Utils.sleep(this.stationInfo.resetTime); + this.stationInfo = this.getStationInfo(); + this.stationInfo?.Connectors && delete this.stationInfo.Connectors; + this.start(); + } + + public getConfigurationKey( + key: string | StandardParametersKey, + caseInsensitive = false + ): ConfigurationKey | undefined { + return this.ocppConfiguration.configurationKey.find((configElement) => { if (caseInsensitive) { return configElement.key.toLowerCase() === key.toLowerCase(); } @@ -388,44 +675,152 @@ export default class ChargingStation { }); } - public addConfigurationKey(key: string | StandardParametersKey, value: string, options: { readonly?: boolean, visible?: boolean, reboot?: boolean } = { readonly: false, visible: true, reboot: false }): void { - const keyFound = this.getConfigurationKey(key); - const readonly = options.readonly; - const visible = options.visible; - const reboot = options.reboot; + public addConfigurationKey( + key: string | StandardParametersKey, + value: string, + options: { readonly?: boolean; visible?: boolean; reboot?: boolean } = { + readonly: false, + visible: true, + reboot: false, + }, + params: { overwrite?: boolean; save?: boolean } = { overwrite: false, save: false } + ): void { + options = options ?? ({} as { readonly?: boolean; visible?: boolean; reboot?: boolean }); + options.readonly = options?.readonly ?? false; + options.visible = options?.visible ?? true; + options.reboot = options?.reboot ?? false; + let keyFound = this.getConfigurationKey(key); + if (keyFound && params?.overwrite) { + this.deleteConfigurationKey(keyFound.key, { save: false }); + keyFound = undefined; + } if (!keyFound) { - this.configuration.configurationKey.push({ + this.ocppConfiguration.configurationKey.push({ key, - readonly, + readonly: options.readonly, value, - visible, - reboot, + visible: options.visible, + reboot: options.reboot, }); + params?.save && this.saveOcppConfiguration(); } else { - logger.error(`${this.logPrefix()} Trying to add an already existing configuration key: %j`, keyFound); + logger.error( + `${this.logPrefix()} Trying to add an already existing configuration key: %j`, + keyFound + ); } } - public setConfigurationKeyValue(key: string | StandardParametersKey, value: string): void { - const keyFound = this.getConfigurationKey(key); + public setConfigurationKeyValue( + key: string | StandardParametersKey, + value: string, + caseInsensitive = false + ): void { + const keyFound = this.getConfigurationKey(key, caseInsensitive); if (keyFound) { - const keyIndex = this.configuration.configurationKey.indexOf(keyFound); - this.configuration.configurationKey[keyIndex].value = value; + this.ocppConfiguration.configurationKey[ + this.ocppConfiguration.configurationKey.indexOf(keyFound) + ].value = value; + this.saveOcppConfiguration(); } else { - logger.error(`${this.logPrefix()} Trying to set a value on a non existing configuration key: %j`, { key, value }); + logger.error( + `${this.logPrefix()} Trying to set a value on a non existing configuration key: %j`, + { key, value } + ); + } + } + + public deleteConfigurationKey( + key: string | StandardParametersKey, + params: { save?: boolean; caseInsensitive?: boolean } = { save: true, caseInsensitive: false } + ): ConfigurationKey[] { + const keyFound = this.getConfigurationKey(key, params?.caseInsensitive); + if (keyFound) { + const deletedConfigurationKey = this.ocppConfiguration.configurationKey.splice( + this.ocppConfiguration.configurationKey.indexOf(keyFound), + 1 + ); + params?.save && this.saveOcppConfiguration(); + return deletedConfigurationKey; + } + } + + 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 = this.getLimitFromChargingProfiles(chargingProfiles); + 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.stationInfo.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; + 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); } @@ -444,6 +839,12 @@ export default class ChargingStation { this.stopMeterValues(connectorId); } + public hasFeatureProfile(featureProfile: SupportedFeatureProfiles) { + return this.getConfigurationKey(StandardParametersKey.SupportedFeatureProfiles)?.value.includes( + featureProfile + ); + } + public bufferMessage(message: string): void { this.messageBuffer.add(message); } @@ -462,157 +863,372 @@ export default class ChargingStation { return this.stationInfo.supervisionUrlOcppConfiguration ?? false; } + private getSupervisionUrlOcppKey(): string { + return this.stationInfo.supervisionUrlOcppKey ?? VendorDefaultParametersKey.ConnectionUrl; + } + private getChargingStationId(stationTemplate: ChargingStationTemplate): string { // In case of multiple instances: add instance index to charging station id const instanceIndex = process.env.CF_INSTANCE_INDEX ?? 0; const idSuffix = stationTemplate.nameSuffix ?? ''; - return stationTemplate.fixedName ? stationTemplate.baseName : stationTemplate.baseName + '-' + instanceIndex.toString() + ('000000000' + this.index.toString()).substr(('000000000' + this.index.toString()).length - 4) + idSuffix; - } - - private buildStationInfo(): ChargingStationInfo { - let stationTemplateFromFile: ChargingStationTemplate; + const idStr = '000000000' + this.index.toString(); + return stationTemplate.fixedName + ? stationTemplate.baseName + : stationTemplate.baseName + + '-' + + instanceIndex.toString() + + idStr.substring(idStr.length - 4) + + idSuffix; + } + + private getRandomSerialNumberSuffix(params?: { + randomBytesLength?: number; + upperCase?: boolean; + }): string { + const randomSerialNumberSuffix = crypto + .randomBytes(params?.randomBytesLength ?? 16) + .toString('hex'); + if (params?.upperCase) { + return randomSerialNumberSuffix.toUpperCase(); + } + return randomSerialNumberSuffix; + } + + private getTemplateFromFile(): ChargingStationTemplate | null { + let template: ChargingStationTemplate = null; try { - // Load template file - const fileDescriptor = fs.openSync(this.stationTemplateFile, 'r'); - stationTemplateFromFile = JSON.parse(fs.readFileSync(fileDescriptor, 'utf8')) as ChargingStationTemplate; - fs.closeSync(fileDescriptor); + const measureId = `${FileType.ChargingStationTemplate} read`; + const beginId = PerformanceStatistics.beginMeasure(measureId); + template = + (JSON.parse(fs.readFileSync(this.templateFile, 'utf8')) as ChargingStationTemplate) ?? + ({} as ChargingStationTemplate); + PerformanceStatistics.endMeasure(measureId, beginId); + template.templateHash = crypto + .createHash(Constants.DEFAULT_HASH_ALGORITHM) + .update(JSON.stringify(template)) + .digest('hex'); } catch (error) { - FileUtils.handleFileException(this.logPrefix(), 'Template', this.stationTemplateFile, error as NodeJS.ErrnoException); - } - const chargingStationId = this.getChargingStationId(stationTemplateFromFile); + FileUtils.handleFileException( + this.logPrefix(), + FileType.ChargingStationTemplate, + this.templateFile, + error as NodeJS.ErrnoException + ); + } + return template; + } + + private createSerialNumber( + stationInfo: ChargingStationInfo, + existingStationInfo?: ChargingStationInfo, + params: { randomSerialNumberUpperCase?: boolean; randomSerialNumber?: boolean } = { + randomSerialNumberUpperCase: true, + randomSerialNumber: true, + } + ): void { + params = params ?? {}; + params.randomSerialNumberUpperCase = params?.randomSerialNumberUpperCase ?? true; + params.randomSerialNumber = params?.randomSerialNumber ?? true; + if (!Utils.isEmptyObject(existingStationInfo)) { + existingStationInfo?.chargePointSerialNumber && + (stationInfo.chargePointSerialNumber = existingStationInfo.chargePointSerialNumber); + existingStationInfo?.chargeBoxSerialNumber && + (stationInfo.chargeBoxSerialNumber = existingStationInfo.chargeBoxSerialNumber); + existingStationInfo?.meterSerialNumber && + (stationInfo.meterSerialNumber = existingStationInfo.meterSerialNumber); + } else { + const serialNumberSuffix = params?.randomSerialNumber + ? this.getRandomSerialNumberSuffix({ upperCase: params.randomSerialNumberUpperCase }) + : ''; + stationInfo.chargePointSerialNumber = + stationInfo?.chargePointSerialNumberPrefix && + stationInfo.chargePointSerialNumberPrefix + serialNumberSuffix; + stationInfo.chargeBoxSerialNumber = + stationInfo?.chargeBoxSerialNumberPrefix && + stationInfo.chargeBoxSerialNumberPrefix + serialNumberSuffix; + stationInfo.meterSerialNumber = + stationInfo?.meterSerialNumberPrefix && + stationInfo.meterSerialNumberPrefix + serialNumberSuffix; + } + } + + private getStationInfoFromTemplate(): ChargingStationInfo { + const stationInfo: ChargingStationInfo = this.getTemplateFromFile(); + if (Utils.isNullOrUndefined(stationInfo)) { + const logMsg = 'Failed to read charging station template file'; + logger.error(`${this.logPrefix()} ${logMsg}`); + throw new BaseError(logMsg); + } + if (Utils.isEmptyObject(stationInfo)) { + logger.warn( + `${this.logPrefix()} Empty charging station information from template file ${ + this.templateFile + }` + ); + } + const chargingStationId = this.getChargingStationId(stationInfo); // Deprecation template keys section - this.warnDeprecatedTemplateKey(stationTemplateFromFile, 'supervisionUrl', chargingStationId, 'Use \'supervisionUrls\' instead'); - this.convertDeprecatedTemplateKey(stationTemplateFromFile, 'supervisionUrl', 'supervisionUrls'); - const stationInfo: ChargingStationInfo = stationTemplateFromFile ?? {} as ChargingStationInfo; - stationInfo.wsOptions = stationTemplateFromFile?.wsOptions ?? {}; - if (!Utils.isEmptyArray(stationTemplateFromFile.power)) { - stationTemplateFromFile.power = stationTemplateFromFile.power as number[]; - const powerArrayRandomIndex = Math.floor(Utils.secureRandom() * stationTemplateFromFile.power.length); - stationInfo.maxPower = stationTemplateFromFile.powerUnit === PowerUnits.KILO_WATT - ? stationTemplateFromFile.power[powerArrayRandomIndex] * 1000 - : stationTemplateFromFile.power[powerArrayRandomIndex]; + this.warnDeprecatedTemplateKey( + stationInfo, + 'supervisionUrl', + chargingStationId, + "Use 'supervisionUrls' instead" + ); + this.convertDeprecatedTemplateKey(stationInfo, 'supervisionUrl', 'supervisionUrls'); + stationInfo.wsOptions = stationInfo?.wsOptions ?? {}; + if (!Utils.isEmptyArray(stationInfo.power)) { + stationInfo.power = stationInfo.power as number[]; + const powerArrayRandomIndex = Math.floor(Utils.secureRandom() * stationInfo.power.length); + stationInfo.maximumPower = + stationInfo.powerUnit === PowerUnits.KILO_WATT + ? stationInfo.power[powerArrayRandomIndex] * 1000 + : stationInfo.power[powerArrayRandomIndex]; } else { - stationTemplateFromFile.power = stationTemplateFromFile.power as number; - stationInfo.maxPower = stationTemplateFromFile.powerUnit === PowerUnits.KILO_WATT - ? stationTemplateFromFile.power * 1000 - : stationTemplateFromFile.power; + stationInfo.power = stationInfo.power as number; + stationInfo.maximumPower = + stationInfo.powerUnit === PowerUnits.KILO_WATT + ? stationInfo.power * 1000 + : stationInfo.power; } delete stationInfo.power; delete stationInfo.powerUnit; stationInfo.chargingStationId = chargingStationId; - stationInfo.resetTime = stationTemplateFromFile.resetTime ? stationTemplateFromFile.resetTime * 1000 : Constants.CHARGING_STATION_DEFAULT_RESET_TIME; + stationInfo.resetTime = stationInfo.resetTime + ? stationInfo.resetTime * 1000 + : Constants.CHARGING_STATION_DEFAULT_RESET_TIME; return stationInfo; } + private createStationInfoHash(stationInfo: ChargingStationInfo): ChargingStationInfo { + if (!Utils.isEmptyObject(stationInfo)) { + const previousInfoHash = stationInfo?.infoHash ?? ''; + delete stationInfo.infoHash; + const currentInfoHash = crypto + .createHash(Constants.DEFAULT_HASH_ALGORITHM) + .update(JSON.stringify(stationInfo)) + .digest('hex'); + if ( + Utils.isEmptyString(previousInfoHash) || + (!Utils.isEmptyString(previousInfoHash) && currentInfoHash !== previousInfoHash) + ) { + stationInfo.infoHash = currentInfoHash; + } else { + stationInfo.infoHash = previousInfoHash; + } + } + return stationInfo; + } + + private getStationInfoFromFile(): ChargingStationInfo { + let stationInfo = this.getConfigurationFromFile()?.stationInfo ?? ({} as ChargingStationInfo); + stationInfo = this.createStationInfoHash(stationInfo); + return stationInfo; + } + + private getStationInfo(): ChargingStationInfo { + const stationInfoFromTemplate: ChargingStationInfo = this.getStationInfoFromTemplate(); + this.hashId = this.getHashId(stationInfoFromTemplate); + this.configurationFile = path.join( + path.resolve(__dirname, '../'), + 'assets', + 'configurations', + this.hashId + '.json' + ); + const stationInfoFromFile: ChargingStationInfo = this.getStationInfoFromFile(); + // Priority: charging station info from template > charging station info from configuration file > charging station info attribute + if (stationInfoFromFile?.templateHash === stationInfoFromTemplate.templateHash) { + if (this.stationInfo?.infoHash === stationInfoFromFile?.infoHash) { + return this.stationInfo; + } + return stationInfoFromFile; + } + this.createSerialNumber(stationInfoFromTemplate, stationInfoFromFile); + return stationInfoFromTemplate; + } + + private saveStationInfo(): void { + this.saveConfiguration(Section.stationInfo); + } + private getOcppVersion(): OCPPVersion { - return this.stationInfo.ocppVersion ? this.stationInfo.ocppVersion : OCPPVersion.VERSION_16; + return this.stationInfo.ocppVersion ?? OCPPVersion.VERSION_16; + } + + private getOcppPersistentConfiguration(): boolean { + return this.stationInfo.ocppPersistentConfiguration ?? true; } private handleUnsupportedVersion(version: OCPPVersion) { - const errMsg = `${this.logPrefix()} Unsupported protocol version '${version}' configured in template file ${this.stationTemplateFile}`; + const errMsg = `${this.logPrefix()} Unsupported protocol version '${version}' configured in template file ${ + this.templateFile + }`; logger.error(errMsg); throw new Error(errMsg); } - private initialize(): void { - this.stationInfo = this.buildStationInfo(); - this.configuration = this.getTemplateChargingStationConfiguration(); - delete this.stationInfo.Configuration; - this.bootNotificationRequest = { - chargePointModel: this.stationInfo.chargePointModel, - chargePointVendor: this.stationInfo.chargePointVendor, - ...!Utils.isUndefined(this.stationInfo.chargeBoxSerialNumberPrefix) && { chargeBoxSerialNumber: this.stationInfo.chargeBoxSerialNumberPrefix }, - ...!Utils.isUndefined(this.stationInfo.firmwareVersion) && { firmwareVersion: this.stationInfo.firmwareVersion }, + private createBootNotificationRequest(stationInfo: ChargingStationInfo): BootNotificationRequest { + return { + chargePointModel: stationInfo.chargePointModel, + chargePointVendor: stationInfo.chargePointVendor, + ...(!Utils.isUndefined(stationInfo.chargeBoxSerialNumber) && { + chargeBoxSerialNumber: stationInfo.chargeBoxSerialNumber, + }), + ...(!Utils.isUndefined(stationInfo.chargePointSerialNumber) && { + chargePointSerialNumber: stationInfo.chargePointSerialNumber, + }), + ...(!Utils.isUndefined(stationInfo.firmwareVersion) && { + firmwareVersion: stationInfo.firmwareVersion, + }), + ...(!Utils.isUndefined(stationInfo.iccid) && { iccid: stationInfo.iccid }), + ...(!Utils.isUndefined(stationInfo.imsi) && { imsi: stationInfo.imsi }), + ...(!Utils.isUndefined(stationInfo.meterSerialNumber) && { + meterSerialNumber: stationInfo.meterSerialNumber, + }), + ...(!Utils.isUndefined(stationInfo.meterType) && { + meterType: stationInfo.meterType, + }), }; + } + + private getHashId(stationInfo: ChargingStationInfo): string { + const hashBootNotificationRequest = { + chargePointModel: stationInfo.chargePointModel, + chargePointVendor: stationInfo.chargePointVendor, + ...(!Utils.isUndefined(stationInfo.chargeBoxSerialNumberPrefix) && { + chargeBoxSerialNumber: stationInfo.chargeBoxSerialNumberPrefix, + }), + ...(!Utils.isUndefined(stationInfo.chargePointSerialNumberPrefix) && { + chargePointSerialNumber: stationInfo.chargePointSerialNumberPrefix, + }), + ...(!Utils.isUndefined(stationInfo.firmwareVersion) && { + firmwareVersion: stationInfo.firmwareVersion, + }), + ...(!Utils.isUndefined(stationInfo.iccid) && { iccid: stationInfo.iccid }), + ...(!Utils.isUndefined(stationInfo.imsi) && { imsi: stationInfo.imsi }), + ...(!Utils.isUndefined(stationInfo.meterSerialNumberPrefix) && { + meterSerialNumber: stationInfo.meterSerialNumberPrefix, + }), + ...(!Utils.isUndefined(stationInfo.meterType) && { + meterType: stationInfo.meterType, + }), + }; + return crypto + .createHash(Constants.DEFAULT_HASH_ALGORITHM) + .update(JSON.stringify(hashBootNotificationRequest) + stationInfo.chargingStationId) + .digest('hex'); + } + + private initialize(): void { + this.stationInfo = this.getStationInfo(); + logger.info(`${this.logPrefix()} Charging station hashId '${this.hashId}'`); + this.bootNotificationRequest = this.createBootNotificationRequest(this.stationInfo); + this.ocppConfiguration = this.getOcppConfiguration(); + this.stationInfo?.Configuration && delete this.stationInfo.Configuration; + this.wsConfiguredConnectionUrl = new URL( + this.getConfiguredSupervisionUrl().href + '/' + this.stationInfo.chargingStationId + ); // Build connectors if needed const maxConnectors = this.getMaxNumberOfConnectors(); - if (maxConnectors <= 0) { - logger.warn(`${this.logPrefix()} Charging station template ${this.stationTemplateFile} with ${maxConnectors} connectors`); - } + this.checkMaxConnectors(maxConnectors); const templateMaxConnectors = this.getTemplateMaxNumberOfConnectors(); - if (templateMaxConnectors <= 0) { - logger.warn(`${this.logPrefix()} Charging station template ${this.stationTemplateFile} with no connector configuration`); - } - if (!this.stationInfo.Connectors[0]) { - logger.warn(`${this.logPrefix()} Charging station template ${this.stationTemplateFile} with no connector Id 0 configuration`); - } - // Sanity check - if (maxConnectors > (this.stationInfo.Connectors[0] ? templateMaxConnectors - 1 : templateMaxConnectors) && !this.stationInfo.randomConnectors) { - logger.warn(`${this.logPrefix()} Number of connectors exceeds the number of connector configurations in template ${this.stationTemplateFile}, forcing random connector configurations affectation`); + this.checkTemplateMaxConnectors(templateMaxConnectors); + if ( + maxConnectors > + (this.stationInfo?.Connectors[0] ? templateMaxConnectors - 1 : templateMaxConnectors) && + !this.stationInfo.randomConnectors + ) { + logger.warn( + `${this.logPrefix()} Number of connectors exceeds the number of connector configurations in template ${ + this.templateFile + }, forcing random connector configurations affectation` + ); this.stationInfo.randomConnectors = true; } - const connectorsConfigHash = crypto.createHash('sha256').update(JSON.stringify(this.stationInfo.Connectors) + maxConnectors.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 - let lastConnector = '0'; - for (lastConnector in this.stationInfo.Connectors) { - const lastConnectorId = Utils.convertToInt(lastConnector); - if (lastConnectorId === 0 && this.getUseConnectorId0() && this.stationInfo.Connectors[lastConnector]) { - this.connectors.set(lastConnectorId, Utils.cloneObject(this.stationInfo.Connectors[lastConnector])); - this.getConnectorStatus(lastConnectorId).availability = AvailabilityType.OPERATIVE; - if (Utils.isUndefined(this.getConnectorStatus(lastConnectorId)?.chargingProfiles)) { - this.getConnectorStatus(lastConnectorId).chargingProfiles = []; - } - } - } - // Generate all connectors - if ((this.stationInfo.Connectors[0] ? templateMaxConnectors - 1 : templateMaxConnectors) > 0) { - for (let index = 1; index <= maxConnectors; index++) { - const randConnectorId = this.stationInfo.randomConnectors ? Utils.getRandomInteger(Utils.convertToInt(lastConnector), 1) : index; - this.connectors.set(index, Utils.cloneObject(this.stationInfo.Connectors[randConnectorId])); - this.getConnectorStatus(index).availability = AvailabilityType.OPERATIVE; - if (Utils.isUndefined(this.getConnectorStatus(index)?.chargingProfiles)) { - this.getConnectorStatus(index).chargingProfiles = []; - } - } - } - } - // Avoid duplication of connectors related information - delete this.stationInfo.Connectors; - // Initialize transaction attributes on connectors - for (const connectorId of this.connectors.keys()) { - if (connectorId > 0 && !this.getConnectorStatus(connectorId)?.transactionStarted) { - this.initializeConnectorStatus(connectorId); - } + this.initializeConnectors(this.stationInfo, maxConnectors, templateMaxConnectors); + this.stationInfo.maximumAmperage = this.getMaximumAmperage(); + this.stationInfo = this.createStationInfoHash(this.stationInfo); + this.saveStationInfo(); + // Avoid duplication of connectors related information in RAM + this.stationInfo?.Connectors && delete this.stationInfo.Connectors; + // OCPP configuration + this.initializeOcppConfiguration(); + if (this.getEnableStatistics()) { + this.performanceStatistics = PerformanceStatistics.getInstance( + this.hashId, + this.stationInfo.chargingStationId, + this.wsConnectionUrl + ); } - this.wsConfiguredConnectionUrl = new URL(this.getConfiguredSupervisionUrl().href + '/' + this.stationInfo.chargingStationId); switch (this.getOcppVersion()) { case OCPPVersion.VERSION_16: - this.ocppIncomingRequestService = new OCPP16IncomingRequestService(this); - this.ocppRequestService = new OCPP16RequestService(this, new OCPP16ResponseService(this)); + this.ocppIncomingRequestService = + OCPP16IncomingRequestService.getInstance(); + this.ocppRequestService = OCPP16RequestService.getInstance( + OCPP16ResponseService.getInstance() + ); break; default: this.handleUnsupportedVersion(this.getOcppVersion()); break; } - // OCPP parameters - this.initOcppParameters(); if (this.stationInfo.autoRegister) { this.bootNotificationResponse = { currentTime: new Date().toISOString(), interval: this.getHeartbeatInterval() / 1000, - status: RegistrationStatus.ACCEPTED + status: RegistrationStatus.ACCEPTED, }; } this.stationInfo.powerDivider = this.getPowerDivider(); - if (this.getEnableStatistics()) { - this.performanceStatistics = new PerformanceStatistics(this.stationInfo.chargingStationId, this.wsConnectionUrl); - } } - private initOcppParameters(): void { - if (this.getSupervisionUrlOcppConfiguration() && !this.getConfigurationKey(this.stationInfo.supervisionUrlOcppKey ?? VendorDefaultParametersKey.ConnectionUrl)) { - this.addConfigurationKey(VendorDefaultParametersKey.ConnectionUrl, this.getConfiguredSupervisionUrl().href, { reboot: true }); + private initializeOcppConfiguration(): void { + if (!this.getConfigurationKey(StandardParametersKey.HeartbeatInterval)) { + this.addConfigurationKey(StandardParametersKey.HeartbeatInterval, '0'); + } + if (!this.getConfigurationKey(StandardParametersKey.HeartBeatInterval)) { + this.addConfigurationKey(StandardParametersKey.HeartBeatInterval, '0', { visible: false }); + } + if ( + this.getSupervisionUrlOcppConfiguration() && + !this.getConfigurationKey(this.getSupervisionUrlOcppKey()) + ) { + this.addConfigurationKey( + this.getSupervisionUrlOcppKey(), + this.getConfiguredSupervisionUrl().href, + { reboot: true } + ); + } else if ( + !this.getSupervisionUrlOcppConfiguration() && + this.getConfigurationKey(this.getSupervisionUrlOcppKey()) + ) { + this.deleteConfigurationKey(this.getSupervisionUrlOcppKey(), { save: false }); + } + if ( + this.stationInfo.amperageLimitationOcppKey && + !this.getConfigurationKey(this.stationInfo.amperageLimitationOcppKey) + ) { + this.addConfigurationKey( + this.stationInfo.amperageLimitationOcppKey, + (this.stationInfo.maximumAmperage * this.getAmperageLimitationUnitDivider()).toString() + ); } if (!this.getConfigurationKey(StandardParametersKey.SupportedFeatureProfiles)) { - this.addConfigurationKey(StandardParametersKey.SupportedFeatureProfiles, `${SupportedFeatureProfiles.Core},${SupportedFeatureProfiles.Local_Auth_List_Management},${SupportedFeatureProfiles.Smart_Charging}`); - } - this.addConfigurationKey(StandardParametersKey.NumberOfConnectors, this.getNumberOfConnectors().toString(), { readonly: true }); + this.addConfigurationKey( + StandardParametersKey.SupportedFeatureProfiles, + `${SupportedFeatureProfiles.Core},${SupportedFeatureProfiles.FirmwareManagement},${SupportedFeatureProfiles.LocalAuthListManagement},${SupportedFeatureProfiles.SmartCharging},${SupportedFeatureProfiles.RemoteTrigger}` + ); + } + this.addConfigurationKey( + StandardParametersKey.NumberOfConnectors, + this.getNumberOfConnectors().toString(), + { readonly: true }, + { overwrite: true } + ); if (!this.getConfigurationKey(StandardParametersKey.MeterValuesSampledData)) { - this.addConfigurationKey(StandardParametersKey.MeterValuesSampledData, MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER); + this.addConfigurationKey( + StandardParametersKey.MeterValuesSampledData, + MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER + ); } if (!this.getConfigurationKey(StandardParametersKey.ConnectorPhaseRotation)) { const connectorPhaseRotation = []; @@ -622,66 +1238,305 @@ export default class ChargingStation { connectorPhaseRotation.push(`${connectorId}.${ConnectorPhaseRotation.RST}`); } else if (connectorId > 0 && this.getNumberOfPhases() === 0) { connectorPhaseRotation.push(`${connectorId}.${ConnectorPhaseRotation.NotApplicable}`); - // AC + // AC } else if (connectorId > 0 && this.getNumberOfPhases() === 1) { connectorPhaseRotation.push(`${connectorId}.${ConnectorPhaseRotation.NotApplicable}`); } else if (connectorId > 0 && this.getNumberOfPhases() === 3) { connectorPhaseRotation.push(`${connectorId}.${ConnectorPhaseRotation.RST}`); } } - this.addConfigurationKey(StandardParametersKey.ConnectorPhaseRotation, connectorPhaseRotation.toString()); + this.addConfigurationKey( + StandardParametersKey.ConnectorPhaseRotation, + connectorPhaseRotation.toString() + ); } if (!this.getConfigurationKey(StandardParametersKey.AuthorizeRemoteTxRequests)) { this.addConfigurationKey(StandardParametersKey.AuthorizeRemoteTxRequests, 'true'); } - if (!this.getConfigurationKey(StandardParametersKey.LocalAuthListEnabled) - && this.getConfigurationKey(StandardParametersKey.SupportedFeatureProfiles).value.includes(SupportedFeatureProfiles.Local_Auth_List_Management)) { + if ( + !this.getConfigurationKey(StandardParametersKey.LocalAuthListEnabled) && + this.getConfigurationKey(StandardParametersKey.SupportedFeatureProfiles)?.value.includes( + SupportedFeatureProfiles.LocalAuthListManagement + ) + ) { this.addConfigurationKey(StandardParametersKey.LocalAuthListEnabled, 'false'); } if (!this.getConfigurationKey(StandardParametersKey.ConnectionTimeOut)) { - this.addConfigurationKey(StandardParametersKey.ConnectionTimeOut, Constants.DEFAULT_CONNECTION_TIMEOUT.toString()); + this.addConfigurationKey( + StandardParametersKey.ConnectionTimeOut, + Constants.DEFAULT_CONNECTION_TIMEOUT.toString() + ); + } + this.saveOcppConfiguration(); + } + + private initializeConnectors( + stationInfo: ChargingStationInfo, + maxConnectors: number, + templateMaxConnectors: number + ): void { + if (!stationInfo?.Connectors && this.connectors.size === 0) { + const logMsg = `${this.logPrefix()} No already defined connectors and charging station information from template ${ + this.templateFile + } with no connectors configuration defined`; + logger.error(logMsg); + throw new BaseError(logMsg); + } + if (!stationInfo?.Connectors[0]) { + logger.warn( + `${this.logPrefix()} Charging station information from template ${ + this.templateFile + } with no connector Id 0 configuration` + ); + } + if (stationInfo?.Connectors) { + const connectorsConfigHash = crypto + .createHash(Constants.DEFAULT_HASH_ALGORITHM) + .update(JSON.stringify(stationInfo?.Connectors) + maxConnectors.toString()) + .digest('hex'); + const connectorsConfigChanged = + this.connectors?.size !== 0 && this.connectorsConfigurationHash !== connectorsConfigHash; + if (this.connectors?.size === 0 || connectorsConfigChanged) { + connectorsConfigChanged && this.connectors.clear(); + this.connectorsConfigurationHash = connectorsConfigHash; + // Add connector Id 0 + let lastConnector = '0'; + for (lastConnector in stationInfo?.Connectors) { + const lastConnectorId = Utils.convertToInt(lastConnector); + if ( + lastConnectorId === 0 && + this.getUseConnectorId0() && + stationInfo?.Connectors[lastConnector] + ) { + this.connectors.set( + lastConnectorId, + Utils.cloneObject(stationInfo?.Connectors[lastConnector]) + ); + this.getConnectorStatus(lastConnectorId).availability = AvailabilityType.OPERATIVE; + if (Utils.isUndefined(this.getConnectorStatus(lastConnectorId)?.chargingProfiles)) { + this.getConnectorStatus(lastConnectorId).chargingProfiles = []; + } + } + } + // Generate all connectors + if ((stationInfo?.Connectors[0] ? templateMaxConnectors - 1 : templateMaxConnectors) > 0) { + for (let index = 1; index <= maxConnectors; index++) { + const randConnectorId = stationInfo.randomConnectors + ? Utils.getRandomInteger(Utils.convertToInt(lastConnector), 1) + : index; + this.connectors.set( + index, + Utils.cloneObject(stationInfo?.Connectors[randConnectorId]) + ); + this.getConnectorStatus(index).availability = AvailabilityType.OPERATIVE; + if (Utils.isUndefined(this.getConnectorStatus(index)?.chargingProfiles)) { + this.getConnectorStatus(index).chargingProfiles = []; + } + } + } + } + } else { + logger.warn( + `${this.logPrefix()} Charging station information from template ${ + this.templateFile + } with no connectors configuration defined, using already defined connectors` + ); + } + // Initialize transaction attributes on connectors + for (const connectorId of this.connectors.keys()) { + if (connectorId > 0 && !this.getConnectorStatus(connectorId)?.transactionStarted) { + this.initializeConnectorStatus(connectorId); + } } } - private async onOpen(): Promise { - logger.info(`${this.logPrefix()} Connected to OCPP server through ${this.wsConnectionUrl.toString()}`); - if (!this.isRegistered()) { - // Send BootNotification - let registrationRetryCount = 0; - do { - this.bootNotificationResponse = await this.ocppRequestService.sendBootNotification(this.bootNotificationRequest.chargePointModel, - this.bootNotificationRequest.chargePointVendor, this.bootNotificationRequest.chargeBoxSerialNumber, this.bootNotificationRequest.firmwareVersion); - if (!this.isRegistered()) { - registrationRetryCount++; - await Utils.sleep(this.bootNotificationResponse?.interval ? this.bootNotificationResponse.interval * 1000 : Constants.OCPP_DEFAULT_BOOT_NOTIFICATION_INTERVAL); + private checkMaxConnectors(maxConnectors: number): void { + if (maxConnectors <= 0) { + logger.warn( + `${this.logPrefix()} Charging station information from template ${ + this.templateFile + } with ${maxConnectors} connectors` + ); + } + } + + private checkTemplateMaxConnectors(templateMaxConnectors: number): void { + if (templateMaxConnectors === 0) { + logger.warn( + `${this.logPrefix()} Charging station information from template ${ + this.templateFile + } with empty connectors configuration` + ); + } else if (templateMaxConnectors < 0) { + logger.error( + `${this.logPrefix()} Charging station information from template ${ + this.templateFile + } with no connectors configuration defined` + ); + } + } + + private getConfigurationFromFile(): ChargingStationConfiguration | null { + let configuration: ChargingStationConfiguration = null; + if (this.configurationFile && fs.existsSync(this.configurationFile)) { + try { + const measureId = `${FileType.ChargingStationConfiguration} read`; + const beginId = PerformanceStatistics.beginMeasure(measureId); + configuration = JSON.parse( + fs.readFileSync(this.configurationFile, 'utf8') + ) as ChargingStationConfiguration; + PerformanceStatistics.endMeasure(measureId, beginId); + } catch (error) { + FileUtils.handleFileException( + this.logPrefix(), + FileType.ChargingStationConfiguration, + this.configurationFile, + error as NodeJS.ErrnoException + ); + } + } + return configuration; + } + + private saveConfiguration(section?: Section): void { + if (this.configurationFile) { + try { + const configurationData: ChargingStationConfiguration = + this.getConfigurationFromFile() ?? {}; + if (!fs.existsSync(path.dirname(this.configurationFile))) { + fs.mkdirSync(path.dirname(this.configurationFile), { recursive: true }); + } + switch (section) { + case Section.ocppConfiguration: + configurationData.configurationKey = this.ocppConfiguration.configurationKey; + break; + case Section.stationInfo: + if (configurationData?.stationInfo?.infoHash === this.stationInfo?.infoHash) { + logger.debug( + `${this.logPrefix()} Not saving unchanged charging station information to configuration file ${ + this.configurationFile + }` + ); + return; + } + configurationData.stationInfo = this.stationInfo; + break; + default: + configurationData.configurationKey = this.ocppConfiguration.configurationKey; + if (configurationData?.stationInfo?.infoHash !== this.stationInfo?.infoHash) { + configurationData.stationInfo = this.stationInfo; + } + break; } - } while (!this.isRegistered() && (registrationRetryCount <= this.getRegistrationMaxRetries() || this.getRegistrationMaxRetries() === -1)); + const measureId = `${FileType.ChargingStationConfiguration} write`; + const beginId = PerformanceStatistics.beginMeasure(measureId); + const fileDescriptor = fs.openSync(this.configurationFile, 'w'); + fs.writeFileSync(fileDescriptor, JSON.stringify(configurationData, null, 2), 'utf8'); + fs.closeSync(fileDescriptor); + PerformanceStatistics.endMeasure(measureId, beginId); + } catch (error) { + FileUtils.handleFileException( + this.logPrefix(), + FileType.ChargingStationConfiguration, + this.configurationFile, + error as NodeJS.ErrnoException + ); + } + } else { + logger.error( + `${this.logPrefix()} Trying to save charging station configuration to undefined configuration file` + ); } - if (this.isRegistered() && this.stationInfo.autoRegister) { - await this.ocppRequestService.sendBootNotification(this.bootNotificationRequest.chargePointModel, - this.bootNotificationRequest.chargePointVendor, this.bootNotificationRequest.chargeBoxSerialNumber, this.bootNotificationRequest.firmwareVersion); + } + + private getOcppConfigurationFromTemplate(): ChargingStationOcppConfiguration { + return this.getTemplateFromFile().Configuration ?? ({} as ChargingStationOcppConfiguration); + } + + private getOcppConfigurationFromFile(): ChargingStationOcppConfiguration | null { + let configuration: ChargingStationConfiguration = null; + if (this.getOcppPersistentConfiguration()) { + const configurationFromFile = this.getConfigurationFromFile(); + configuration = configurationFromFile?.configurationKey && configurationFromFile; } - if (this.isInAcceptedState()) { - await this.startMessageSequence(); - this.stopped && (this.stopped = false); - if (this.wsConnectionRestarted && this.isWebSocketConnectionOpened()) { - this.flushMessageBuffer(); + configuration && delete configuration.stationInfo; + return configuration; + } + + private getOcppConfiguration(): ChargingStationOcppConfiguration { + let ocppConfiguration: ChargingStationOcppConfiguration = this.getOcppConfigurationFromFile(); + if (!ocppConfiguration) { + ocppConfiguration = this.getOcppConfigurationFromTemplate(); + } + return ocppConfiguration; + } + + private saveOcppConfiguration(): void { + if (this.getOcppPersistentConfiguration()) { + this.saveConfiguration(Section.ocppConfiguration); + } + } + + private async onOpen(): Promise { + if (this.isWebSocketConnectionOpened()) { + logger.info( + `${this.logPrefix()} Connection to OCPP server through ${this.wsConnectionUrl.toString()} succeeded` + ); + if (!this.isRegistered()) { + // Send BootNotification + let registrationRetryCount = 0; + do { + this.bootNotificationResponse = await this.ocppRequestService.requestHandler< + BootNotificationRequest, + BootNotificationResponse + >( + this, + RequestCommand.BOOT_NOTIFICATION, + { + chargePointModel: this.bootNotificationRequest.chargePointModel, + chargePointVendor: this.bootNotificationRequest.chargePointVendor, + chargeBoxSerialNumber: this.bootNotificationRequest.chargeBoxSerialNumber, + firmwareVersion: this.bootNotificationRequest.firmwareVersion, + chargePointSerialNumber: this.bootNotificationRequest.chargePointSerialNumber, + iccid: this.bootNotificationRequest.iccid, + imsi: this.bootNotificationRequest.imsi, + meterSerialNumber: this.bootNotificationRequest.meterSerialNumber, + meterType: this.bootNotificationRequest.meterType, + }, + { skipBufferingOnError: true } + ); + if (!this.isRegistered()) { + this.getRegistrationMaxRetries() !== -1 && registrationRetryCount++; + await Utils.sleep( + this.bootNotificationResponse?.interval + ? this.bootNotificationResponse.interval * 1000 + : Constants.OCPP_DEFAULT_BOOT_NOTIFICATION_INTERVAL + ); + } + } while ( + !this.isRegistered() && + (registrationRetryCount <= this.getRegistrationMaxRetries() || + this.getRegistrationMaxRetries() === -1) + ); } - } else if (this.isInPendingState()) { - // The central server shall issue a TriggerMessage to the charging station for the boot notification at the end of its configuration process - while (!this.isInAcceptedState()) { - await Utils.sleep(Constants.CHARGING_STATION_DEFAULT_START_SEQUENCE_DELAY); + if (this.isRegistered()) { + if (this.isInAcceptedState()) { + await this.startMessageSequence(); + this.wsConnectionRestarted && this.flushMessageBuffer(); + } + } else { + logger.error( + `${this.logPrefix()} Registration failure: max retries reached (${this.getRegistrationMaxRetries()}) or retry disabled (${this.getRegistrationMaxRetries()})` + ); } - await this.startMessageSequence(); this.stopped && (this.stopped = false); - if (this.wsConnectionRestarted && this.isWebSocketConnectionOpened()) { - this.flushMessageBuffer(); - } + this.autoReconnectRetryCount = 0; + this.wsConnectionRestarted = false; } else { - logger.error(`${this.logPrefix()} Registration failure: max retries reached (${this.getRegistrationMaxRetries()}) or retry disabled (${this.getRegistrationMaxRetries()})`); + logger.warn( + `${this.logPrefix()} Connection to OCPP server through ${this.wsConnectionUrl.toString()} failed` + ); } - this.autoReconnectRetryCount = 0; - this.wsConnectionRestarted = false; } private async onClose(code: number, reason: string): Promise { @@ -689,83 +1544,154 @@ export default class ChargingStation { // Normal close case WebSocketCloseEventStatusCode.CLOSE_NORMAL: case WebSocketCloseEventStatusCode.CLOSE_NO_STATUS: - logger.info(`${this.logPrefix()} WebSocket normally closed with status '${Utils.getWebSocketCloseEventStatusString(code)}' and reason '${reason}'`); + logger.info( + `${this.logPrefix()} WebSocket normally closed with status '${Utils.getWebSocketCloseEventStatusString( + code + )}' and reason '${reason}'` + ); this.autoReconnectRetryCount = 0; break; // Abnormal close default: - logger.error(`${this.logPrefix()} WebSocket abnormally closed with status '${Utils.getWebSocketCloseEventStatusString(code)}' and reason '${reason}'`); + logger.error( + `${this.logPrefix()} WebSocket abnormally closed with status '${Utils.getWebSocketCloseEventStatusString( + code + )}' and reason '${reason}'` + ); await this.reconnect(code); break; } } private async onMessage(data: Data): Promise { - let [messageType, messageId, commandName, commandPayload, errorDetails]: IncomingRequest = [0, '', '' as IncomingRequestCommand, {}, {}]; - let responseCallback: (payload: JsonType | string, requestPayload: JsonType | OCPPError) => void; - let rejectCallback: (error: OCPPError, requestStatistic?: boolean) => void; + let messageType: number; + let messageId: string; + let commandName: IncomingRequestCommand; + let commandPayload: JsonType; + let errorType: ErrorType; + let errorMessage: string; + let errorDetails: JsonType; + let responseCallback: (payload: JsonType, requestPayload: JsonType) => void; + let errorCallback: (error: OCPPError, requestStatistic?: boolean) => void; let requestCommandName: RequestCommand | IncomingRequestCommand; - let requestPayload: JsonType | OCPPError; + let requestPayload: JsonType; let cachedRequest: CachedRequest; let errMsg: string; try { - const request = JSON.parse(data.toString()) as IncomingRequest; + const request = JSON.parse(data.toString()) as IncomingRequest | Response | ErrorResponse; if (Utils.isIterable(request)) { - // Parse the message - [messageType, messageId, commandName, commandPayload, errorDetails] = request; + [messageType, messageId] = request; + // Check the type of message + switch (messageType) { + // Incoming Message + case MessageType.CALL_MESSAGE: + [, , commandName, commandPayload] = request as IncomingRequest; + if (this.getEnableStatistics()) { + this.performanceStatistics.addRequestStatistic(commandName, messageType); + } + logger.debug( + `${this.logPrefix()} << Command '${commandName}' received request payload: ${JSON.stringify( + request + )}` + ); + // Process the message + await this.ocppIncomingRequestService.incomingRequestHandler( + this, + messageId, + commandName, + commandPayload + ); + break; + // Outcome 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 ?? '' + }' received response payload: ${JSON.stringify(request)}` + ); + responseCallback(commandPayload, requestPayload); + 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 ?? '' + }' received error payload: ${JSON.stringify(request)}` + ); + errorCallback(new OCPPError(errorType, errorMessage, requestCommandName, errorDetails)); + break; + // Error + default: + // eslint-disable-next-line @typescript-eslint/restrict-template-expressions + errMsg = `${this.logPrefix()} Wrong message type ${messageType}`; + logger.error(errMsg); + throw new OCPPError(ErrorType.PROTOCOL_ERROR, errMsg); + } } else { - throw new OCPPError(ErrorType.PROTOCOL_ERROR, 'Incoming request is not iterable', commandName); - } - // Check the Type of message - switch (messageType) { - // Incoming Message - case MessageType.CALL_MESSAGE: - if (this.getEnableStatistics()) { - this.performanceStatistics.addRequestStatistic(commandName, messageType); - } - // Process the call - await this.ocppIncomingRequestService.handleRequest(messageId, commandName, commandPayload); - break; - // Outcome Message - case MessageType.CALL_RESULT_MESSAGE: - // Respond - cachedRequest = this.requests.get(messageId); - if (Utils.isIterable(cachedRequest)) { - [responseCallback, , , requestPayload] = cachedRequest; - } else { - throw new OCPPError(ErrorType.PROTOCOL_ERROR, `Cached request for message id ${messageId} response is not iterable`, commandName); - } - if (!responseCallback) { - // Error - throw new OCPPError(ErrorType.INTERNAL_ERROR, `Response for unknown message id ${messageId}`, commandName); - } - responseCallback(commandName, requestPayload); - break; - // Error Message - case MessageType.CALL_ERROR_MESSAGE: - cachedRequest = this.requests.get(messageId); - if (Utils.isIterable(cachedRequest)) { - [, rejectCallback, requestCommandName] = cachedRequest; - } else { - throw new OCPPError(ErrorType.PROTOCOL_ERROR, `Cached request for message id ${messageId} error response is not iterable`); - } - if (!rejectCallback) { - // Error - throw new OCPPError(ErrorType.INTERNAL_ERROR, `Error response for unknown message id ${messageId}`, requestCommandName); - } - rejectCallback(new OCPPError(commandName, commandPayload.toString(), requestCommandName, errorDetails)); - break; - // Error - default: - errMsg = `${this.logPrefix()} Wrong message type ${messageType}`; - logger.error(errMsg); - throw new OCPPError(ErrorType.PROTOCOL_ERROR, errMsg); + throw new OCPPError(ErrorType.PROTOCOL_ERROR, 'Incoming message is not iterable', null, { + payload: request, + }); } } catch (error) { // Log - logger.error('%s Incoming OCPP message %j matching cached request %j processing error %j', this.logPrefix(), data.toString(), this.requests.get(messageId), error); + logger.error( + '%s Incoming OCPP message %j matching cached request %j processing error %j', + this.logPrefix(), + data.toString(), + this.requests.get(messageId), + error + ); // Send error - messageType === MessageType.CALL_MESSAGE && await this.ocppRequestService.sendError(messageId, error as OCPPError, commandName); + messageType === MessageType.CALL_MESSAGE && + (await this.ocppRequestService.sendError( + this, + messageId, + error as OCPPError, + commandName ?? requestCommandName ?? null + )); } } @@ -777,21 +1703,19 @@ export default class ChargingStation { logger.debug(this.logPrefix() + ' Received a WS pong (rfc6455) from the server'); } - private async onError(error: WSError): Promise { + private onError(error: WSError): void { logger.error(this.logPrefix() + ' WebSocket error: %j', error); - // switch (error.code) { - // case 'ECONNREFUSED': - // await this.reconnect(error); - // break; - // } - } - - private getTemplateChargingStationConfiguration(): ChargingStationConfiguration { - return this.stationInfo.Configuration ?? {} as ChargingStationConfiguration; } private getAuthorizationFile(): string | undefined { - return this.stationInfo.authorizationFile && path.join(path.resolve(__dirname, '../'), 'assets', path.basename(this.stationInfo.authorizationFile)); + return ( + this.stationInfo.authorizationFile && + path.join( + path.resolve(__dirname, '../'), + 'assets', + path.basename(this.stationInfo.authorizationFile) + ) + ); } private getAuthorizedTags(): string[] { @@ -800,20 +1724,27 @@ export default class ChargingStation { if (authorizationFile) { try { // Load authorization file - const fileDescriptor = fs.openSync(authorizationFile, 'r'); - authorizedTags = JSON.parse(fs.readFileSync(fileDescriptor, 'utf8')) as string[]; - fs.closeSync(fileDescriptor); + authorizedTags = JSON.parse(fs.readFileSync(authorizationFile, 'utf8')) as string[]; } catch (error) { - FileUtils.handleFileException(this.logPrefix(), 'Authorization', authorizationFile, error as NodeJS.ErrnoException); + FileUtils.handleFileException( + this.logPrefix(), + FileType.Authorization, + authorizationFile, + error as NodeJS.ErrnoException + ); } } else { - logger.info(this.logPrefix() + ' No authorization file given in template file ' + this.stationTemplateFile); + logger.info( + this.logPrefix() + ' No authorization file given in template file ' + this.templateFile + ); } return authorizedTags; } private getUseConnectorId0(): boolean | undefined { - return !Utils.isUndefined(this.stationInfo.useConnectorId0) ? this.stationInfo.useConnectorId0 : true; + return !Utils.isUndefined(this.stationInfo.useConnectorId0) + ? this.stationInfo.useConnectorId0 + : true; } private getNumberOfRunningTransactions(): number { @@ -829,7 +1760,10 @@ export default class ChargingStation { // 0 for disabling private getConnectionTimeout(): number | undefined { if (this.getConfigurationKey(StandardParametersKey.ConnectionTimeOut)) { - return parseInt(this.getConfigurationKey(StandardParametersKey.ConnectionTimeOut).value) ?? Constants.DEFAULT_CONNECTION_TIMEOUT; + return ( + parseInt(this.getConfigurationKey(StandardParametersKey.ConnectionTimeOut).value) ?? + Constants.DEFAULT_CONNECTION_TIMEOUT + ); } return Constants.DEFAULT_CONNECTION_TIMEOUT; } @@ -862,7 +1796,10 @@ export default class ChargingStation { } private getTemplateMaxNumberOfConnectors(): number { - return Object.keys(this.stationInfo.Connectors).length; + if (!this.stationInfo?.Connectors) { + return -1; + } + return Object.keys(this.stationInfo?.Connectors).length; } private getMaxNumberOfConnectors(): number { @@ -874,12 +1811,82 @@ export default class ChargingStation { } else if (!Utils.isUndefined(this.stationInfo.numberOfConnectors)) { maxConnectors = this.stationInfo.numberOfConnectors as number; } else { - maxConnectors = this.stationInfo.Connectors[0] ? this.getTemplateMaxNumberOfConnectors() - 1 : this.getTemplateMaxNumberOfConnectors(); + maxConnectors = this.stationInfo?.Connectors[0] + ? this.getTemplateMaxNumberOfConnectors() - 1 + : this.getTemplateMaxNumberOfConnectors(); } return maxConnectors; } + private getMaximumPower(): number { + return (this.stationInfo['maxPower'] as number) ?? this.stationInfo.maximumPower; + } + + private getMaximumAmperage(): number | undefined { + const maximumPower = this.getMaximumPower(); + switch (this.getCurrentOutType()) { + case CurrentType.AC: + return ACElectricUtils.amperagePerPhaseFromPower( + this.getNumberOfPhases(), + maximumPower / this.getNumberOfConnectors(), + this.getVoltageOut() + ); + case CurrentType.DC: + return DCElectricUtils.amperage(maximumPower, this.getVoltageOut()); + } + } + + private getAmperageLimitationUnitDivider(): number { + let unitDivider = 1; + switch (this.stationInfo.amperageLimitationUnit) { + case AmpereUnits.DECI_AMPERE: + unitDivider = 10; + break; + case AmpereUnits.CENTI_AMPERE: + unitDivider = 100; + break; + case AmpereUnits.MILLI_AMPERE: + unitDivider = 1000; + break; + } + return unitDivider; + } + + private getAmperageLimitation(): number | undefined { + if ( + this.stationInfo.amperageLimitationOcppKey && + this.getConfigurationKey(this.stationInfo.amperageLimitationOcppKey) + ) { + return ( + Utils.convertToInt( + this.getConfigurationKey(this.stationInfo.amperageLimitationOcppKey).value + ) / this.getAmperageLimitationUnitDivider() + ); + } + } + private async startMessageSequence(): Promise { + if (this.stationInfo.autoRegister) { + 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 } + ); + } // Start WebSocket ping this.startWebSocketPing(); // Start heartbeat @@ -888,20 +1895,58 @@ export default class ChargingStation { for (const connectorId of this.connectors.keys()) { if (connectorId === 0) { continue; - } else if (!this.stopped && !this.getConnectorStatus(connectorId)?.status && this.getConnectorStatus(connectorId)?.bootStatus) { + } else if ( + !this.stopped && + !this.getConnectorStatus(connectorId)?.status && + this.getConnectorStatus(connectorId)?.bootStatus + ) { // Send status in template at startup - await this.ocppRequestService.sendStatusNotification(connectorId, this.getConnectorStatus(connectorId).bootStatus); - this.getConnectorStatus(connectorId).status = this.getConnectorStatus(connectorId).bootStatus; - } else if (this.stopped && this.getConnectorStatus(connectorId)?.status && this.getConnectorStatus(connectorId)?.bootStatus) { + 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 && + this.getConnectorStatus(connectorId)?.bootStatus + ) { // Send status in template after reset - await this.ocppRequestService.sendStatusNotification(connectorId, this.getConnectorStatus(connectorId).bootStatus); - this.getConnectorStatus(connectorId).status = this.getConnectorStatus(connectorId).bootStatus; + 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.sendStatusNotification(connectorId, this.getConnectorStatus(connectorId).status); + await this.ocppRequestService.requestHandler< + StatusNotificationRequest, + StatusNotificationResponse + >(this, RequestCommand.STATUS_NOTIFICATION, { + connectorId, + status: this.getConnectorStatus(connectorId).status, + errorCode: ChargePointErrorCode.NO_ERROR, + }); } else { // Send default status - await this.ocppRequestService.sendStatusNotification(connectorId, ChargePointStatus.AVAILABLE); + await this.ocppRequestService.requestHandler< + StatusNotificationRequest, + StatusNotificationResponse + >(this, RequestCommand.STATUS_NOTIFICATION, { + connectorId, + status: ChargePointStatus.AVAILABLE, + errorCode: ChargePointErrorCode.NO_ERROR, + }); this.getConnectorStatus(connectorId).status = ChargePointStatus.AVAILABLE; } } @@ -912,7 +1957,7 @@ export default class ChargingStation { private startAutomaticTransactionGenerator() { if (this.stationInfo.AutomaticTransactionGenerator.enable) { if (!this.automaticTransactionGenerator) { - this.automaticTransactionGenerator = new AutomaticTransactionGenerator(this); + this.automaticTransactionGenerator = AutomaticTransactionGenerator.getInstance(this); } if (!this.automaticTransactionGenerator.started) { this.automaticTransactionGenerator.start(); @@ -920,42 +1965,94 @@ export default class ChargingStation { } } - private async stopMessageSequence(reason: StopTransactionReason = StopTransactionReason.NONE): Promise { + private async stopMessageSequence( + reason: StopTransactionReason = StopTransactionReason.NONE + ): Promise { // Stop WebSocket ping this.stopWebSocketPing(); // Stop heartbeat this.stopHeartbeat(); // Stop the ATG - if (this.stationInfo.AutomaticTransactionGenerator.enable && - this.automaticTransactionGenerator && - this.automaticTransactionGenerator.started) { + if ( + this.stationInfo.AutomaticTransactionGenerator.enable && + this.automaticTransactionGenerator?.started + ) { this.automaticTransactionGenerator.stop(); } else { for (const connectorId of this.connectors.keys()) { if (connectorId > 0 && this.getConnectorStatus(connectorId)?.transactionStarted) { const transactionId = this.getConnectorStatus(connectorId).transactionId; - await this.ocppRequestService.sendStopTransaction(transactionId, this.getEnergyActiveImportRegisterByTransactionId(transactionId), - this.getTransactionIdTag(transactionId), reason); + 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, + }); } } } } private startWebSocketPing(): void { - const webSocketPingInterval: number = this.getConfigurationKey(StandardParametersKey.WebSocketPingInterval) - ? Utils.convertToInt(this.getConfigurationKey(StandardParametersKey.WebSocketPingInterval).value) + const webSocketPingInterval: number = this.getConfigurationKey( + StandardParametersKey.WebSocketPingInterval + ) + ? Utils.convertToInt( + this.getConfigurationKey(StandardParametersKey.WebSocketPingInterval).value + ) : 0; if (webSocketPingInterval > 0 && !this.webSocketPingSetInterval) { this.webSocketPingSetInterval = setInterval(() => { if (this.isWebSocketConnectionOpened()) { - this.wsConnection.ping((): void => { /* This is intentional */ }); + this.wsConnection.ping((): void => { + /* This is intentional */ + }); } }, webSocketPingInterval * 1000); - logger.info(this.logPrefix() + ' WebSocket ping started every ' + Utils.formatDurationSeconds(webSocketPingInterval)); + logger.info( + 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'); + logger.info( + this.logPrefix() + + ' WebSocket ping every ' + + Utils.formatDurationSeconds(webSocketPingInterval) + + ' already started' + ); } else { - logger.error(`${this.logPrefix()} WebSocket ping interval set to ${webSocketPingInterval ? Utils.formatDurationSeconds(webSocketPingInterval) : webSocketPingInterval}, not starting the WebSocket ping`); + logger.error( + `${this.logPrefix()} WebSocket ping interval set to ${ + webSocketPingInterval + ? Utils.formatDurationSeconds(webSocketPingInterval) + : webSocketPingInterval + }, not starting the WebSocket ping` + ); } } @@ -965,22 +2062,37 @@ export default class ChargingStation { } } - private warnDeprecatedTemplateKey(template: ChargingStationTemplate, key: string, chargingStationId: string, logMsgToAppend = ''): void { + private warnDeprecatedTemplateKey( + template: ChargingStationTemplate, + key: string, + chargingStationId: string, + logMsgToAppend = '' + ): void { if (!Utils.isUndefined(template[key])) { - logger.warn(`${Utils.logPrefix(` ${chargingStationId} |`)} Deprecated template key '${key}' usage in file '${this.stationTemplateFile}'${logMsgToAppend && '. ' + logMsgToAppend}`); + const logPrefixStr = ` ${chargingStationId} |`; + logger.warn( + `${Utils.logPrefix(logPrefixStr)} Deprecated template key '${key}' usage in file '${ + this.templateFile + }'${logMsgToAppend && '. ' + logMsgToAppend}` + ); } } - private convertDeprecatedTemplateKey(template: ChargingStationTemplate, deprecatedKey: string, key: string): void { + private convertDeprecatedTemplateKey( + template: ChargingStationTemplate, + deprecatedKey: string, + key: string + ): void { if (!Utils.isUndefined(template[deprecatedKey])) { - // eslint-disable-next-line @typescript-eslint/no-unsafe-assignment - template[key] = template[deprecatedKey]; + template[key] = template[deprecatedKey] as unknown; delete template[deprecatedKey]; } } private getConfiguredSupervisionUrl(): URL { - const supervisionUrls = Utils.cloneObject(this.stationInfo.supervisionUrls ?? Configuration.getSupervisionUrls()); + const supervisionUrls = Utils.cloneObject( + this.stationInfo.supervisionUrls ?? Configuration.getSupervisionUrls() + ); if (!Utils.isEmptyArray(supervisionUrls)) { let urlIndex = 0; switch (Configuration.getSupervisionUrlDistribution()) { @@ -995,11 +2107,17 @@ export default class ChargingStation { if (this.index <= supervisionUrls.length) { urlIndex = this.index - 1; } else { - logger.warn(`${this.logPrefix()} No more configured supervision urls available, using the first one`); + logger.warn( + `${this.logPrefix()} No more configured supervision urls available, using the first one` + ); } break; default: - logger.error(`${this.logPrefix()} Unknown supervision url distribution '${Configuration.getSupervisionUrlDistribution()}' from values '${SupervisionUrlDistribution.toString()}', defaulting to ${SupervisionUrlDistribution.ROUND_ROBIN}`); + logger.error( + `${this.logPrefix()} Unknown supervision url distribution '${Configuration.getSupervisionUrlDistribution()}' from values '${SupervisionUrlDistribution.toString()}', defaulting to ${ + SupervisionUrlDistribution.ROUND_ROBIN + }` + ); urlIndex = (this.index - 1) % supervisionUrls.length; break; } @@ -1017,7 +2135,12 @@ export default class ChargingStation { if (HeartBeatInterval) { return Utils.convertToInt(HeartBeatInterval.value) * 1000; } - !this.stationInfo.autoRegister && logger.warn(`${this.logPrefix()} Heartbeat interval configuration key not set, using default value: ${Constants.DEFAULT_HEARTBEAT_INTERVAL}`); + !this.stationInfo.autoRegister && + logger.warn( + `${this.logPrefix()} Heartbeat interval configuration key not set, using default value: ${ + Constants.DEFAULT_HEARTBEAT_INTERVAL + }` + ); return Constants.DEFAULT_HEARTBEAT_INTERVAL; } @@ -1027,9 +2150,15 @@ export default class ChargingStation { } } - private openWSConnection(options: ClientOptions & ClientRequestArgs = this.stationInfo.wsOptions, forceCloseOpened = false): void { + private openWSConnection( + options: WsOptions = this.stationInfo.wsOptions, + forceCloseOpened = false + ): void { options.handshakeTimeout = options?.handshakeTimeout ?? this.getConnectionTimeout() * 1000; - if (!Utils.isNullOrUndefined(this.stationInfo.supervisionUser) && !Utils.isNullOrUndefined(this.stationInfo.supervisionPassword)) { + if ( + !Utils.isNullOrUndefined(this.stationInfo.supervisionUser) && + !Utils.isNullOrUndefined(this.stationInfo.supervisionPassword) + ) { options.auth = `${this.stationInfo.supervisionUser}:${this.stationInfo.supervisionPassword}`; } if (this.isWebSocketConnectionOpened() && forceCloseOpened) { @@ -1045,7 +2174,9 @@ export default class ChargingStation { break; } this.wsConnection = new WebSocket(this.wsConnectionUrl, protocol, options); - logger.info(this.logPrefix() + ' Open OCPP connection to URL ' + this.wsConnectionUrl.toString()); + logger.info( + this.logPrefix() + ' Open OCPP connection to URL ' + this.wsConnectionUrl.toString() + ); } private stopMeterValues(connectorId: number) { @@ -1054,61 +2185,10 @@ export default class ChargingStation { } } - private startAuthorizationFileMonitoring(): void { - const authorizationFile = this.getAuthorizationFile(); - if (authorizationFile) { - try { - fs.watch(authorizationFile, (event, filename) => { - if (filename && event === 'change') { - try { - logger.debug(this.logPrefix() + ' Authorization file ' + authorizationFile + ' have changed, reload'); - // Initialize authorizedTags - this.authorizedTags = this.getAuthorizedTags(); - } catch (error) { - logger.error(this.logPrefix() + ' Authorization file monitoring error: %j', error); - } - } - }); - } catch (error) { - FileUtils.handleFileException(this.logPrefix(), 'Authorization', authorizationFile, error as NodeJS.ErrnoException); - } - } else { - logger.info(this.logPrefix() + ' No authorization file given in template file ' + this.stationTemplateFile + '. Not monitoring changes'); - } - } - - private startStationTemplateFileMonitoring(): void { - try { - fs.watch(this.stationTemplateFile, (event, filename): void => { - if (filename && event === 'change') { - try { - logger.debug(this.logPrefix() + ' Template file ' + this.stationTemplateFile + ' have changed, reload'); - // Initialize - this.initialize(); - // Restart the ATG - if (!this.stationInfo.AutomaticTransactionGenerator.enable && - this.automaticTransactionGenerator) { - this.automaticTransactionGenerator.stop(); - } - this.startAutomaticTransactionGenerator(); - if (this.getEnableStatistics()) { - 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() + ' Charging station template file monitoring error: %j', error); - } - } - }); - } catch (error) { - FileUtils.handleFileException(this.logPrefix(), 'Template', this.stationTemplateFile, error as NodeJS.ErrnoException); - } - } - private getReconnectExponentialDelay(): boolean | undefined { - return !Utils.isUndefined(this.stationInfo.reconnectExponentialDelay) ? this.stationInfo.reconnectExponentialDelay : false; + return !Utils.isUndefined(this.stationInfo.reconnectExponentialDelay) + ? this.stationInfo.reconnectExponentialDelay + : false; } private async reconnect(code: number): Promise { @@ -1117,23 +2197,45 @@ export default class ChargingStation { // Stop heartbeat this.stopHeartbeat(); // Stop the ATG if needed - if (this.stationInfo.AutomaticTransactionGenerator.enable && + if ( + this.stationInfo.AutomaticTransactionGenerator.enable && this.stationInfo.AutomaticTransactionGenerator.stopOnConnectionFailure && - this.automaticTransactionGenerator && - this.automaticTransactionGenerator.started) { + this.automaticTransactionGenerator?.started + ) { this.automaticTransactionGenerator.stop(); } - if (this.autoReconnectRetryCount < this.getAutoReconnectMaxRetries() || this.getAutoReconnectMaxRetries() === -1) { + if ( + this.autoReconnectRetryCount < this.getAutoReconnectMaxRetries() || + this.getAutoReconnectMaxRetries() === -1 + ) { this.autoReconnectRetryCount++; - const reconnectDelay = (this.getReconnectExponentialDelay() ? Utils.exponentialDelay(this.autoReconnectRetryCount) : this.getConnectionTimeout() * 1000); - const reconnectTimeout = (reconnectDelay - 100) > 0 && reconnectDelay; - logger.error(`${this.logPrefix()} WebSocket: connection retry in ${Utils.roundTo(reconnectDelay, 2)}ms, timeout ${reconnectTimeout}ms`); + const reconnectDelay = this.getReconnectExponentialDelay() + ? Utils.exponentialDelay(this.autoReconnectRetryCount) + : this.getConnectionTimeout() * 1000; + const reconnectTimeout = reconnectDelay - 100 > 0 && reconnectDelay; + logger.error( + `${this.logPrefix()} WebSocket: connection retry in ${Utils.roundTo( + reconnectDelay, + 2 + )}ms, timeout ${reconnectTimeout}ms` + ); await Utils.sleep(reconnectDelay); - logger.error(this.logPrefix() + ' WebSocket: reconnecting try #' + this.autoReconnectRetryCount.toString()); - this.openWSConnection({ ...this.stationInfo.wsOptions, handshakeTimeout: reconnectTimeout }, true); + logger.error( + this.logPrefix() + + ' WebSocket: reconnecting try #' + + this.autoReconnectRetryCount.toString() + ); + this.openWSConnection( + { ...this.stationInfo.wsOptions, handshakeTimeout: reconnectTimeout }, + true + ); this.wsConnectionRestarted = true; } else if (this.getAutoReconnectMaxRetries() !== -1) { - logger.error(`${this.logPrefix()} WebSocket reconnect failure: max retries reached (${this.autoReconnectRetryCount}) or retry disabled (${this.getAutoReconnectMaxRetries()})`); + logger.error( + `${this.logPrefix()} WebSocket reconnect failure: maximum retries reached (${ + this.autoReconnectRetryCount + }) or retry disabled (${this.getAutoReconnectMaxRetries()})` + ); } } @@ -1145,5 +2247,105 @@ export default class ChargingStation { this.getConnectorStatus(connectorId).energyActiveImportRegisterValue = 0; this.getConnectorStatus(connectorId).transactionEnergyActiveImportRegisterValue = 0; } -} + /** + * Charging profiles should already be sorted by connectorId and stack level (highest stack level has priority) + * + * @param {ChargingProfile[]} chargingProfiles + * @returns {{ limit, matchingChargingProfile }} + */ + private getLimitFromChargingProfiles(chargingProfiles: ChargingProfile[]): { + limit: number; + matchingChargingProfile: ChargingProfile; + } | null { + for (const chargingProfile of chargingProfiles) { + // Set helpers + const currentMoment = moment(); + const chargingSchedule = chargingProfile.chargingSchedule; + // Check type (recurring) and if it is already active + // Adjust the daily recurring schedule to today + if ( + chargingProfile.chargingProfileKind === ChargingProfileKindType.RECURRING && + chargingProfile.recurrencyKind === RecurrencyKindType.DAILY && + currentMoment.isAfter(chargingSchedule.startSchedule) + ) { + const currentDate = new Date(); + chargingSchedule.startSchedule = new Date(chargingSchedule.startSchedule); + chargingSchedule.startSchedule.setFullYear( + currentDate.getFullYear(), + currentDate.getMonth(), + currentDate.getDate() + ); + // Check if the start of the schedule is yesterday + if (moment(chargingSchedule.startSchedule).isAfter(currentMoment)) { + chargingSchedule.startSchedule.setDate(currentDate.getDate() - 1); + } + } else if (moment(chargingSchedule.startSchedule).isAfter(currentMoment)) { + return null; + } + // Check if the charging profile is active + if ( + moment(chargingSchedule.startSchedule) + .add(chargingSchedule.duration, 's') + .isAfter(currentMoment) + ) { + let lastButOneSchedule: ChargingSchedulePeriod; + // Search the right schedule period + for (const schedulePeriod of chargingSchedule.chargingSchedulePeriod) { + // Handling of only one period + if ( + chargingSchedule.chargingSchedulePeriod.length === 1 && + schedulePeriod.startPeriod === 0 + ) { + const result = { + limit: schedulePeriod.limit, + matchingChargingProfile: chargingProfile, + }; + logger.debug( + `${this.logPrefix()} Matching charging profile found for power limitation: %j`, + result + ); + return result; + } + // Find the right schedule period + if ( + moment(chargingSchedule.startSchedule) + .add(schedulePeriod.startPeriod, 's') + .isAfter(currentMoment) + ) { + // Found the schedule: last but one is the correct one + const result = { + limit: lastButOneSchedule.limit, + matchingChargingProfile: chargingProfile, + }; + logger.debug( + `${this.logPrefix()} Matching charging profile found for power limitation: %j`, + result + ); + return result; + } + // Keep it + lastButOneSchedule = schedulePeriod; + // Handle the last schedule period + if ( + schedulePeriod.startPeriod === + chargingSchedule.chargingSchedulePeriod[ + chargingSchedule.chargingSchedulePeriod.length - 1 + ].startPeriod + ) { + const result = { + limit: lastButOneSchedule.limit, + matchingChargingProfile: chargingProfile, + }; + logger.debug( + `${this.logPrefix()} Matching charging profile found for power limitation: %j`, + result + ); + return result; + } + } + } + } + return null; + } +}