X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;ds=sidebyside;f=src%2Fcharging-station%2FChargingStation.ts;h=7b98ed35858bd4c524cccb1af9222c0100e3922b;hb=ed6cfcff3ef6596cdf76c68f600effcb25dece72;hp=fed9f42c72eafa4824e1a4d8158b8d48e2a3327a;hpb=492cf6ab7b4e5231974ca1a9c219afbf0d53f4b9;p=e-mobility-charging-stations-simulator.git diff --git a/src/charging-station/ChargingStation.ts b/src/charging-station/ChargingStation.ts index fed9f42c..7b98ed35 100644 --- a/src/charging-station/ChargingStation.ts +++ b/src/charging-station/ChargingStation.ts @@ -1,6 +1,43 @@ // Partial Copyright Jerome Benoit. 2021. All Rights Reserved. -import { ACElectricUtils, DCElectricUtils } from '../utils/ElectricUtils'; +import crypto from 'crypto'; +import fs from 'fs'; +import path from 'path'; +import { URL } from 'url'; +import { parentPort } from 'worker_threads'; + +import WebSocket, { Data, RawData } from 'ws'; + +import BaseError from '../exception/BaseError'; +import OCPPError from '../exception/OCPPError'; +import PerformanceStatistics from '../performance/PerformanceStatistics'; +import type { AutomaticTransactionGeneratorConfiguration } from '../types/AutomaticTransactionGenerator'; +import type { ChargingStationConfiguration } from '../types/ChargingStationConfiguration'; +import type { ChargingStationInfo } from '../types/ChargingStationInfo'; +import type { ChargingStationOcppConfiguration } from '../types/ChargingStationOcppConfiguration'; +import { + type ChargingStationTemplate, + CurrentType, + PowerUnits, + type WsOptions, +} from '../types/ChargingStationTemplate'; +import { SupervisionUrlDistribution } from '../types/ConfigurationData'; +import type { ConnectorStatus } from '../types/ConnectorStatus'; +import { FileType } from '../types/FileType'; +import type { JsonType } from '../types/JsonType'; +import { ChargePointErrorCode } from '../types/ocpp/ChargePointErrorCode'; +import { ChargePointStatus } from '../types/ocpp/ChargePointStatus'; +import { ChargingProfile, ChargingRateUnitType } from '../types/ocpp/ChargingProfile'; +import { + ConnectorPhaseRotation, + StandardParametersKey, + SupportedFeatureProfiles, + VendorDefaultParametersKey, +} from '../types/ocpp/Configuration'; +import { ErrorType } from '../types/ocpp/ErrorType'; +import { MessageType } from '../types/ocpp/MessageType'; +import { MeterValue, MeterValueMeasurand } from '../types/ocpp/MeterValues'; +import { OCPPVersion } from '../types/ocpp/OCPPVersion'; import { AvailabilityType, BootNotificationRequest, @@ -21,130 +58,111 @@ import { Response, StatusNotificationResponse, } from '../types/ocpp/Responses'; -import { ChargingProfile, ChargingRateUnitType } from '../types/ocpp/ChargingProfile'; -import ChargingStationConfiguration, { Section } from '../types/ChargingStationConfiguration'; -import ChargingStationTemplate, { - CurrentType, - PowerUnits, - WsOptions, -} from '../types/ChargingStationTemplate'; -import { - ConnectorPhaseRotation, - StandardParametersKey, - SupportedFeatureProfiles, - VendorDefaultParametersKey, -} from '../types/ocpp/Configuration'; -import { MeterValue, MeterValueMeasurand } from '../types/ocpp/MeterValues'; import { StopTransactionReason, StopTransactionRequest, StopTransactionResponse, } from '../types/ocpp/Transaction'; import { WSError, WebSocketCloseEventStatusCode } from '../types/WebSocket'; -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 { ChargingStationConfigurationUtils } from './ChargingStationConfigurationUtils'; -import ChargingStationInfo from '../types/ChargingStationInfo'; -import ChargingStationOcppConfiguration from '../types/ChargingStationOcppConfiguration'; -import { ChargingStationUtils } from './ChargingStationUtils'; -import { ChargingStationWorkerMessageEvents } from '../types/ChargingStationWorker'; 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 { ACElectricUtils, DCElectricUtils } from '../utils/ElectricUtils'; import FileUtils from '../utils/FileUtils'; -import { JsonType } from '../types/JsonType'; -import { MessageType } from '../types/ocpp/MessageType'; +import logger from '../utils/Logger'; +import Utils from '../utils/Utils'; +import AuthorizedTagsCache from './AuthorizedTagsCache'; +import AutomaticTransactionGenerator from './AutomaticTransactionGenerator'; +import { ChargingStationConfigurationUtils } from './ChargingStationConfigurationUtils'; +import { ChargingStationUtils } from './ChargingStationUtils'; +import ChargingStationWorkerBroadcastChannel from './ChargingStationWorkerBroadcastChannel'; +import { MessageChannelUtils } from './MessageChannelUtils'; 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 { 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 { parentPort } from 'worker_threads'; -import path from 'path'; +import type OCPPIncomingRequestService from './ocpp/OCPPIncomingRequestService'; +import type OCPPRequestService from './ocpp/OCPPRequestService'; +import SharedLRUCache from './SharedLRUCache'; export default class ChargingStation { - public hashId!: string; + public readonly index: number; public readonly templateFile: string; - public authorizedTags: string[]; public stationInfo!: ChargingStationInfo; - public readonly connectors: Map; + public started: boolean; + public authorizedTagsCache: AuthorizedTagsCache; + public automaticTransactionGenerator!: AutomaticTransactionGenerator; public ocppConfiguration!: ChargingStationOcppConfiguration; public wsConnection!: WebSocket; + public readonly connectors: Map; public readonly requests: Map; public performanceStatistics!: PerformanceStatistics; public heartbeatSetInterval!: NodeJS.Timeout; public ocppRequestService!: OCPPRequestService; + public bootNotificationRequest!: BootNotificationRequest; public bootNotificationResponse!: BootNotificationResponse | null; - private readonly index: number; + public powerDivider!: number; + private starting: boolean; + private stopping: boolean; private configurationFile!: string; - private bootNotificationRequest!: BootNotificationRequest; + private configurationFileHash!: string; private connectorsConfigurationHash!: string; private ocppIncomingRequestService!: OCPPIncomingRequestService; private readonly messageBuffer: Set; - private wsConfiguredConnectionUrl!: URL; + private configuredSupervisionUrl!: URL; + private configuredSupervisionUrlIndex!: number; private wsConnectionRestarted: boolean; - private stopped: boolean; private autoReconnectRetryCount: number; - private automaticTransactionGenerator!: AutomaticTransactionGenerator; + private templateFileWatcher!: fs.FSWatcher; + private readonly sharedLRUCache: SharedLRUCache; private webSocketPingSetInterval!: NodeJS.Timeout; + private readonly chargingStationWorkerBroadcastChannel: ChargingStationWorkerBroadcastChannel; constructor(index: number, templateFile: string) { - this.index = index; - this.templateFile = templateFile; - this.stopped = false; + this.started = false; + this.starting = false; + this.stopping = false; this.wsConnectionRestarted = false; this.autoReconnectRetryCount = 0; + this.index = index; + this.templateFile = templateFile; this.connectors = new Map(); this.requests = new Map(); this.messageBuffer = new Set(); + this.sharedLRUCache = SharedLRUCache.getInstance(); + this.authorizedTagsCache = AuthorizedTagsCache.getInstance(); + this.chargingStationWorkerBroadcastChannel = new ChargingStationWorkerBroadcastChannel(this); + this.initialize(); - this.authorizedTags = this.getAuthorizedTags(); } private get wsConnectionUrl(): URL { - return this.getSupervisionUrlOcppConfiguration() - ? new URL( - ChargingStationConfigurationUtils.getConfigurationKey( + return new URL( + (this.getSupervisionUrlOcppConfiguration() + ? ChargingStationConfigurationUtils.getConfigurationKey( this, this.getSupervisionUrlOcppKey() - ).value + - '/' + - this.stationInfo.chargingStationId - ) - : this.wsConfiguredConnectionUrl; + ).value + : this.configuredSupervisionUrl.href) + + '/' + + this.stationInfo.chargingStationId + ); } public logPrefix(): string { - return Utils.logPrefix(` ${this.stationInfo.chargingStationId} |`); - } - - public getBootNotificationRequest(): BootNotificationRequest { - return this.bootNotificationRequest; - } - - public getRandomIdTag(): string { - const index = Math.floor(Utils.secureRandom() * this.authorizedTags.length); - return this.authorizedTags[index]; + return Utils.logPrefix( + ` ${ + this?.stationInfo?.chargingStationId ?? + ChargingStationUtils.getChargingStationId(this.index, this.getTemplateFromFile()) + } |` + ); } public hasAuthorizedTags(): boolean { - return !Utils.isEmptyArray(this.authorizedTags); + return !Utils.isEmptyArray( + this.authorizedTagsCache.getAuthorizedTags( + ChargingStationUtils.getAuthorizationFile(this.stationInfo) + ) + ); } public getEnableStatistics(): boolean | undefined { @@ -153,15 +171,20 @@ export default class ChargingStation { : true; } - public getMayAuthorizeAtRemoteStart(): boolean | undefined { - return this.stationInfo.mayAuthorizeAtRemoteStart ?? true; + public getMustAuthorizeAtRemoteStart(): boolean | undefined { + return this.stationInfo.mustAuthorizeAtRemoteStart ?? true; + } + + public getPayloadSchemaValidation(): boolean | undefined { + return this.stationInfo.payloadSchemaValidation ?? true; } - public getNumberOfPhases(): number | undefined { - switch (this.getCurrentOutType()) { + public getNumberOfPhases(stationInfo?: ChargingStationInfo): number | undefined { + const localStationInfo: ChargingStationInfo = stationInfo ?? this.stationInfo; + switch (this.getCurrentOutType(stationInfo)) { case CurrentType.AC: - return !Utils.isUndefined(this.stationInfo.numberOfPhases) - ? this.stationInfo.numberOfPhases + return !Utils.isUndefined(localStationInfo.numberOfPhases) + ? localStationInfo.numberOfPhases : 3; case CurrentType.DC: return 0; @@ -169,7 +192,7 @@ export default class ChargingStation { } public isWebSocketConnectionOpened(): boolean { - return this?.wsConnection?.readyState === OPEN; + return this?.wsConnection?.readyState === WebSocket.OPEN; } public getRegistrationStatus(): RegistrationStatus { @@ -193,7 +216,10 @@ export default class ChargingStation { } public isRegistered(): boolean { - return !this.isInUnknownState() && (this.isInAcceptedState() || this.isInPendingState()); + return ( + this.isInUnknownState() === false && + (this.isInAcceptedState() === true || this.isInPendingState() === true) + ); } public isChargingStationAvailable(): boolean { @@ -208,26 +234,27 @@ export default class ChargingStation { return this.connectors.get(0) ? this.connectors.size - 1 : this.connectors.size; } - public getConnectorStatus(id: number): ConnectorStatus { + public getConnectorStatus(id: number): ConnectorStatus | undefined { return this.connectors.get(id); } - public getCurrentOutType(): CurrentType | undefined { - return this.stationInfo.currentOutType ?? CurrentType.AC; + public getCurrentOutType(stationInfo?: ChargingStationInfo): CurrentType { + return (stationInfo ?? this.stationInfo).currentOutType ?? CurrentType.AC; } public getOcppStrictCompliance(): boolean { - return this.stationInfo.ocppStrictCompliance ?? false; + return this.stationInfo?.ocppStrictCompliance ?? false; } - public getVoltageOut(): number | undefined { + public getVoltageOut(stationInfo?: ChargingStationInfo): number | undefined { const defaultVoltageOut = ChargingStationUtils.getDefaultVoltageOut( - this.getCurrentOutType(), + this.getCurrentOutType(stationInfo), this.templateFile, this.logPrefix() ); - return !Utils.isUndefined(this.stationInfo.voltageOut) - ? this.stationInfo.voltageOut + const localStationInfo: ChargingStationInfo = stationInfo ?? this.stationInfo; + return !Utils.isUndefined(localStationInfo.voltageOut) + ? localStationInfo.voltageOut : defaultVoltageOut; } @@ -245,9 +272,9 @@ export default class ChargingStation { this.getAmperageLimitation() * this.getNumberOfConnectors() ) : DCElectricUtils.power(this.getVoltageOut(), this.getAmperageLimitation())) / - this.stationInfo.powerDivider; + this.powerDivider; } - const connectorMaximumPower = this.getMaximumPower() / this.stationInfo.powerDivider; + const connectorMaximumPower = this.getMaximumPower() / this.powerDivider; const connectorChargingProfilePowerLimit = this.getChargingProfilePowerLimit(connectorId); return Math.min( isNaN(connectorMaximumPower) ? Infinity : connectorMaximumPower, @@ -267,31 +294,31 @@ export default class ChargingStation { } public getOutOfOrderEndMeterValues(): boolean { - return this.stationInfo.outOfOrderEndMeterValues ?? false; + return this.stationInfo?.outOfOrderEndMeterValues ?? false; } public getBeginEndMeterValues(): boolean { - return this.stationInfo.beginEndMeterValues ?? false; + return this.stationInfo?.beginEndMeterValues ?? false; } public getMeteringPerTransaction(): boolean { - return this.stationInfo.meteringPerTransaction ?? true; + return this.stationInfo?.meteringPerTransaction ?? true; } public getTransactionDataMeterValues(): boolean { - return this.stationInfo.transactionDataMeterValues ?? false; + return this.stationInfo?.transactionDataMeterValues ?? false; } public getMainVoltageMeterValues(): boolean { - return this.stationInfo.mainVoltageMeterValues ?? true; + return this.stationInfo?.mainVoltageMeterValues ?? true; } public getPhaseLineToLineVoltageMeterValues(): boolean { - return this.stationInfo.phaseLineToLineVoltageMeterValues ?? false; + return this.stationInfo?.phaseLineToLineVoltageMeterValues ?? false; } public getCustomValueLimitationMeterValues(): boolean { - return this.stationInfo.customValueLimitationMeterValues ?? true; + return this.stationInfo?.customValueLimitationMeterValues ?? true; } public getConnectorIdByTransactionId(transactionId: number): number | undefined { @@ -305,22 +332,18 @@ export default class ChargingStation { } } - public getEnergyActiveImportRegisterByTransactionId(transactionId: number): number | undefined { - const transactionConnectorStatus = this.getConnectorStatus( - this.getConnectorIdByTransactionId(transactionId) + public getEnergyActiveImportRegisterByTransactionId( + transactionId: number, + meterStop = false + ): number { + return this.getEnergyActiveImportRegister( + this.getConnectorStatus(this.getConnectorIdByTransactionId(transactionId)), + meterStop ); - if (this.getMeteringPerTransaction()) { - return transactionConnectorStatus?.transactionEnergyActiveImportRegisterValue; - } - return transactionConnectorStatus?.energyActiveImportRegisterValue; } - public getEnergyActiveImportRegisterByConnectorId(connectorId: number): number | undefined { - const connectorStatus = this.getConnectorStatus(connectorId); - if (this.getMeteringPerTransaction()) { - return connectorStatus?.transactionEnergyActiveImportRegisterValue; - } - return connectorStatus?.energyActiveImportRegisterValue; + public getEnergyActiveImportRegisterByConnectorId(connectorId: number): number { + return this.getEnergyActiveImportRegister(this.getConnectorStatus(connectorId)); } public getAuthorizeRemoteTxRequests(): boolean { @@ -341,10 +364,6 @@ export default class ChargingStation { return localAuthListEnabled ? Utils.convertToBoolean(localAuthListEnabled.value) : false; } - public getAutomaticTransactionGeneratorRequireAuthorize(): boolean { - return this.stationInfo.AutomaticTransactionGenerator.requireAuthorize ?? true; - } - public startHeartbeat(): void { if ( this.getHeartbeatInterval() && @@ -407,13 +426,13 @@ export default class ChargingStation { ); return; } - if (!this.getConnectorStatus(connectorId)?.transactionStarted) { + if (this.getConnectorStatus(connectorId)?.transactionStarted === false) { logger.error( `${this.logPrefix()} Trying to start MeterValues on connector Id ${connectorId} with no transaction started` ); return; } else if ( - this.getConnectorStatus(connectorId)?.transactionStarted && + this.getConnectorStatus(connectorId)?.transactionStarted === true && !this.getConnectorStatus(connectorId)?.transactionId ) { logger.error( @@ -457,210 +476,100 @@ export default class ChargingStation { } public start(): void { - if (this.getEnableStatistics()) { - this.performanceStatistics.start(); - } - this.openWSConnection(); - // Handle WebSocket message - this.wsConnection.on( - 'message', - this.onMessage.bind(this) as (this: WebSocket, data: RawData, isBinary: boolean) => void - ); - // Handle WebSocket error - this.wsConnection.on( - 'error', - this.onError.bind(this) as (this: WebSocket, error: Error) => void - ); - // Handle WebSocket close - this.wsConnection.on( - 'close', - this.onClose.bind(this) as (this: WebSocket, code: number, reason: Buffer) => void - ); - // Handle WebSocket open - this.wsConnection.on('open', this.onOpen.bind(this) as (this: WebSocket) => void); - // Handle WebSocket ping - this.wsConnection.on('ping', this.onPing.bind(this) as (this: WebSocket, data: Buffer) => void); - // Handle WebSocket pong - this.wsConnection.on('pong', this.onPong.bind(this) as (this: WebSocket, data: Buffer) => void); - // Monitor authorization file - FileUtils.watchJsonFile( - this.logPrefix(), - FileType.Authorization, - this.getAuthorizationFile(), - this.authorizedTags - ); - // Monitor charging station template file - FileUtils.watchJsonFile( - this.logPrefix(), - FileType.ChargingStationTemplate, - this.templateFile, - null, - (event, filename): void => { - if (filename && event === 'change') { - try { - logger.debug( - `${this.logPrefix()} ${FileType.ChargingStationTemplate} ${ - this.templateFile - } file have changed, reload` - ); - // Initialize - this.initialize(); - // Restart the ATG - if ( - !this.stationInfo.AutomaticTransactionGenerator.enable && - this.automaticTransactionGenerator - ) { - this.automaticTransactionGenerator.stop(); - } - this.startAutomaticTransactionGenerator(); - if (this.getEnableStatistics()) { - this.performanceStatistics.restart(); - } else { - this.performanceStatistics.stop(); + if (this.started === false) { + if (this.starting === false) { + this.starting = true; + if (this.getEnableStatistics()) { + this.performanceStatistics.start(); + } + this.openWSConnection(); + // Monitor charging station template file + this.templateFileWatcher = FileUtils.watchJsonFile( + this.logPrefix(), + FileType.ChargingStationTemplate, + this.templateFile, + null, + (event, filename): void => { + if (filename && event === 'change') { + try { + logger.debug( + `${this.logPrefix()} ${FileType.ChargingStationTemplate} ${ + this.templateFile + } file have changed, reload` + ); + this.sharedLRUCache.deleteChargingStationTemplate(this.stationInfo?.templateHash); + // Initialize + this.initialize(); + // Restart the ATG + this.stopAutomaticTransactionGenerator(); + if ( + this.getAutomaticTransactionGeneratorConfigurationFromTemplate()?.enable === true + ) { + this.startAutomaticTransactionGenerator(); + } + if (this.getEnableStatistics()) { + this.performanceStatistics.restart(); + } else { + this.performanceStatistics.stop(); + } + // FIXME?: restart heartbeat and WebSocket ping when their interval values have changed + } catch (error) { + logger.error( + `${this.logPrefix()} ${FileType.ChargingStationTemplate} file monitoring error:`, + error + ); + } } - // FIXME?: restart heartbeat and WebSocket ping when their interval values have changed - } catch (error) { - logger.error( - `${this.logPrefix()} ${FileType.ChargingStationTemplate} file monitoring error: %j`, - error - ); } - } + ); + this.started = true; + parentPort.postMessage(MessageChannelUtils.buildStartedMessage(this)); + this.starting = false; + } else { + logger.warn(`${this.logPrefix()} Charging station is already starting...`); } - ); - parentPort.postMessage({ - id: ChargingStationWorkerMessageEvents.STARTED, - data: { id: this.stationInfo.chargingStationId }, - }); + } else { + logger.warn(`${this.logPrefix()} Charging station is already started...`); + } } - public async stop(reason: StopTransactionReason = StopTransactionReason.NONE): Promise { - // Stop message sequence - await this.stopMessageSequence(reason); - for (const connectorId of this.connectors.keys()) { - if (connectorId > 0) { - await this.ocppRequestService.requestHandler< - StatusNotificationRequest, - StatusNotificationResponse - >(this, RequestCommand.STATUS_NOTIFICATION, { - connectorId, - status: ChargePointStatus.UNAVAILABLE, - errorCode: ChargePointErrorCode.NO_ERROR, - }); - this.getConnectorStatus(connectorId).status = ChargePointStatus.UNAVAILABLE; + public async stop(reason?: StopTransactionReason): Promise { + if (this.started === true) { + if (this.stopping === false) { + this.stopping = true; + await this.stopMessageSequence(reason); + this.closeWSConnection(); + if (this.getEnableStatistics()) { + this.performanceStatistics.stop(); + } + this.sharedLRUCache.deleteChargingStationConfiguration(this.configurationFileHash); + this.templateFileWatcher.close(); + this.sharedLRUCache.deleteChargingStationTemplate(this.stationInfo?.templateHash); + this.bootNotificationResponse = null; + this.started = false; + parentPort.postMessage(MessageChannelUtils.buildStoppedMessage(this)); + this.stopping = false; + } else { + logger.warn(`${this.logPrefix()} Charging station is already stopping...`); } + } else { + logger.warn(`${this.logPrefix()} Charging station is already stopped...`); } - if (this.isWebSocketConnectionOpened()) { - this.wsConnection.close(); - } - if (this.getEnableStatistics()) { - this.performanceStatistics.stop(); - } - this.bootNotificationResponse = null; - parentPort.postMessage({ - id: ChargingStationWorkerMessageEvents.STOPPED, - data: { id: this.stationInfo.chargingStationId }, - }); - this.stopped = true; } 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.initialize(); this.start(); } public saveOcppConfiguration(): void { if (this.getOcppPersistentConfiguration()) { - this.saveConfiguration(Section.ocppConfiguration); + this.saveConfiguration(); } } - public getChargingProfilePowerLimit(connectorId: number): number | undefined { - let limit: number, matchingChargingProfile: ChargingProfile; - let chargingProfiles: ChargingProfile[] = []; - // Get charging profiles for connector and sort by stack level - chargingProfiles = this.getConnectorStatus(connectorId).chargingProfiles.sort( - (a, b) => b.stackLevel - a.stackLevel - ); - // Get profiles on connector 0 - if (this.getConnectorStatus(0).chargingProfiles) { - chargingProfiles.push( - ...this.getConnectorStatus(0).chargingProfiles.sort((a, b) => b.stackLevel - a.stackLevel) - ); - } - if (!Utils.isEmptyArray(chargingProfiles)) { - const result = ChargingStationUtils.getLimitFromChargingProfiles( - chargingProfiles, - Utils.logPrefix() - ); - if (!Utils.isNullOrUndefined(result)) { - limit = result.limit; - matchingChargingProfile = result.matchingChargingProfile; - switch (this.getCurrentOutType()) { - case CurrentType.AC: - limit = - matchingChargingProfile.chargingSchedule.chargingRateUnit === - ChargingRateUnitType.WATT - ? limit - : ACElectricUtils.powerTotal(this.getNumberOfPhases(), this.getVoltageOut(), limit); - break; - case CurrentType.DC: - limit = - matchingChargingProfile.chargingSchedule.chargingRateUnit === - ChargingRateUnitType.WATT - ? limit - : DCElectricUtils.power(this.getVoltageOut(), limit); - } - - const connectorMaximumPower = this.getMaximumPower() / this.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; - } - } - ); - } - !cpReplaced && this.getConnectorStatus(connectorId).chargingProfiles?.push(cp); - } - public resetConnectorStatus(connectorId: number): void { this.getConnectorStatus(connectorId).idTagLocalAuthorized = false; this.getConnectorStatus(connectorId).idTagAuthorized = false; @@ -673,9 +582,10 @@ export default class ChargingStation { this.getConnectorStatus(connectorId).transactionEnergyActiveImportRegisterValue = 0; delete this.getConnectorStatus(connectorId).transactionBeginMeterValue; this.stopMeterValues(connectorId); + parentPort.postMessage(MessageChannelUtils.buildUpdatedMessage(this)); } - public hasFeatureProfile(featureProfile: SupportedFeatureProfiles) { + public hasFeatureProfile(featureProfile: SupportedFeatureProfiles): boolean { return ChargingStationConfigurationUtils.getConfigurationKey( this, StandardParametersKey.SupportedFeatureProfiles @@ -686,7 +596,149 @@ export default class ChargingStation { this.messageBuffer.add(message); } - private flushMessageBuffer() { + public openWSConnection( + options: WsOptions = this.stationInfo?.wsOptions ?? {}, + params: { closeOpened?: boolean; terminateOpened?: boolean } = { + closeOpened: false, + terminateOpened: false, + } + ): void { + options.handshakeTimeout = options?.handshakeTimeout ?? this.getConnectionTimeout() * 1000; + params.closeOpened = params?.closeOpened ?? false; + params.terminateOpened = params?.terminateOpened ?? false; + if ( + !Utils.isNullOrUndefined(this.stationInfo.supervisionUser) && + !Utils.isNullOrUndefined(this.stationInfo.supervisionPassword) + ) { + options.auth = `${this.stationInfo.supervisionUser}:${this.stationInfo.supervisionPassword}`; + } + if (params?.closeOpened) { + this.closeWSConnection(); + } + if (params?.terminateOpened) { + this.terminateWSConnection(); + } + let protocol: string; + switch (this.getOcppVersion()) { + case OCPPVersion.VERSION_16: + protocol = 'ocpp' + OCPPVersion.VERSION_16; + break; + default: + this.handleUnsupportedVersion(this.getOcppVersion()); + break; + } + + if (this.isWebSocketConnectionOpened() === true) { + logger.warn( + `${this.logPrefix()} OCPP connection to URL ${this.wsConnectionUrl.toString()} is already opened` + ); + return; + } + + logger.info( + `${this.logPrefix()} Open OCPP connection to URL ${this.wsConnectionUrl.toString()}` + ); + + this.wsConnection = new WebSocket(this.wsConnectionUrl, protocol, options); + + // Handle WebSocket message + this.wsConnection.on( + 'message', + this.onMessage.bind(this) as (this: WebSocket, data: RawData, isBinary: boolean) => void + ); + // Handle WebSocket error + this.wsConnection.on( + 'error', + this.onError.bind(this) as (this: WebSocket, error: Error) => void + ); + // Handle WebSocket close + this.wsConnection.on( + 'close', + this.onClose.bind(this) as (this: WebSocket, code: number, reason: Buffer) => void + ); + // Handle WebSocket open + this.wsConnection.on('open', this.onOpen.bind(this) as (this: WebSocket) => void); + // Handle WebSocket ping + this.wsConnection.on('ping', this.onPing.bind(this) as (this: WebSocket, data: Buffer) => void); + // Handle WebSocket pong + this.wsConnection.on('pong', this.onPong.bind(this) as (this: WebSocket, data: Buffer) => void); + } + + public closeWSConnection(): void { + if (this.isWebSocketConnectionOpened() === true) { + this.wsConnection.close(); + this.wsConnection = null; + } + } + + public startAutomaticTransactionGenerator( + connectorIds?: number[], + automaticTransactionGeneratorConfiguration?: AutomaticTransactionGeneratorConfiguration + ): void { + this.automaticTransactionGenerator = AutomaticTransactionGenerator.getInstance( + automaticTransactionGeneratorConfiguration ?? + this.getAutomaticTransactionGeneratorConfigurationFromTemplate(), + this + ); + if (!Utils.isEmptyArray(connectorIds)) { + for (const connectorId of connectorIds) { + this.automaticTransactionGenerator.startConnector(connectorId); + } + } else { + this.automaticTransactionGenerator.start(); + } + parentPort.postMessage(MessageChannelUtils.buildUpdatedMessage(this)); + } + + public stopAutomaticTransactionGenerator(connectorIds?: number[]): void { + if (!Utils.isEmptyArray(connectorIds)) { + for (const connectorId of connectorIds) { + this.automaticTransactionGenerator?.stopConnector(connectorId); + } + } else { + this.automaticTransactionGenerator?.stop(); + } + parentPort.postMessage(MessageChannelUtils.buildUpdatedMessage(this)); + } + + public async stopTransactionOnConnector( + connectorId: number, + reason = StopTransactionReason.NONE + ): Promise { + const transactionId = this.getConnectorStatus(connectorId).transactionId; + if ( + this.getBeginEndMeterValues() && + 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], + } + ); + } + return this.ocppRequestService.requestHandler( + this, + RequestCommand.STOP_TRANSACTION, + { + transactionId, + meterStop: this.getEnergyActiveImportRegisterByTransactionId(transactionId, true), + reason, + } + ); + } + + private flushMessageBuffer(): void { if (this.messageBuffer.size > 0) { this.messageBuffer.forEach((message) => { // TODO: evaluate the need to track performance @@ -707,16 +759,21 @@ export default class ChargingStation { private getTemplateFromFile(): ChargingStationTemplate | null { let template: ChargingStationTemplate = null; try { - 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'); + if (this.sharedLRUCache.hasChargingStationTemplate(this.stationInfo?.templateHash)) { + template = this.sharedLRUCache.getChargingStationTemplate(this.stationInfo.templateHash); + } else { + const measureId = `${FileType.ChargingStationTemplate} read`; + const beginId = PerformanceStatistics.beginMeasure(measureId); + template = JSON.parse( + fs.readFileSync(this.templateFile, 'utf8') + ) as ChargingStationTemplate; + PerformanceStatistics.endMeasure(measureId, beginId); + template.templateHash = crypto + .createHash(Constants.DEFAULT_HASH_ALGORITHM) + .update(JSON.stringify(template)) + .digest('hex'); + this.sharedLRUCache.setChargingStationTemplate(template); + } } catch (error) { FileUtils.handleFileException( this.logPrefix(), @@ -729,72 +786,98 @@ export default class ChargingStation { } private getStationInfoFromTemplate(): ChargingStationInfo { - const stationInfo: ChargingStationInfo = this.getTemplateFromFile(); - if (Utils.isNullOrUndefined(stationInfo)) { - const logMsg = 'Failed to read charging station template file'; - logger.error(`${this.logPrefix()} ${logMsg}`); - throw new BaseError(logMsg); + const stationTemplate: ChargingStationTemplate = this.getTemplateFromFile(); + if (Utils.isNullOrUndefined(stationTemplate)) { + const errorMsg = 'Failed to read charging station template file'; + logger.error(`${this.logPrefix()} ${errorMsg}`); + throw new BaseError(errorMsg); } - if (Utils.isEmptyObject(stationInfo)) { - logger.warn( - `${this.logPrefix()} Empty charging station information from template file ${ - this.templateFile - }` - ); + if (Utils.isEmptyObject(stationTemplate)) { + const errorMsg = `Empty charging station information from template file ${this.templateFile}`; + logger.error(`${this.logPrefix()} ${errorMsg}`); + throw new BaseError(errorMsg); } - const chargingStationId = ChargingStationUtils.getChargingStationId(this.index, stationInfo); // Deprecation template keys section ChargingStationUtils.warnDeprecatedTemplateKey( - stationInfo, + stationTemplate, 'supervisionUrl', this.templateFile, - Utils.logPrefix(` ${chargingStationId} |`), + this.logPrefix(), "Use 'supervisionUrls' instead" ); ChargingStationUtils.convertDeprecatedTemplateKey( - stationInfo, + stationTemplate, '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); + const stationInfo: ChargingStationInfo = + ChargingStationUtils.stationTemplateToStationInfo(stationTemplate); + stationInfo.hashId = ChargingStationUtils.getHashId(this.index, stationTemplate); + stationInfo.chargingStationId = ChargingStationUtils.getChargingStationId( + this.index, + stationTemplate + ); + ChargingStationUtils.createSerialNumber(stationTemplate, stationInfo); + if (!Utils.isEmptyArray(stationTemplate.power)) { + stationTemplate.power = stationTemplate.power as number[]; + const powerArrayRandomIndex = Math.floor(Utils.secureRandom() * stationTemplate.power.length); stationInfo.maximumPower = - stationInfo.powerUnit === PowerUnits.KILO_WATT - ? stationInfo.power[powerArrayRandomIndex] * 1000 - : stationInfo.power[powerArrayRandomIndex]; + stationTemplate.powerUnit === PowerUnits.KILO_WATT + ? stationTemplate.power[powerArrayRandomIndex] * 1000 + : stationTemplate.power[powerArrayRandomIndex]; } else { - stationInfo.power = stationInfo.power as number; + stationTemplate.power = stationTemplate.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 = stationInfo.resetTime - ? stationInfo.resetTime * 1000 + stationTemplate.powerUnit === PowerUnits.KILO_WATT + ? stationTemplate.power * 1000 + : stationTemplate.power; + } + stationInfo.resetTime = stationTemplate.resetTime + ? stationTemplate.resetTime * 1000 : Constants.CHARGING_STATION_DEFAULT_RESET_TIME; + const configuredMaxConnectors = + ChargingStationUtils.getConfiguredNumberOfConnectors(stationTemplate); + ChargingStationUtils.checkConfiguredMaxConnectors( + configuredMaxConnectors, + this.templateFile, + this.logPrefix() + ); + const templateMaxConnectors = + ChargingStationUtils.getTemplateMaxNumberOfConnectors(stationTemplate); + ChargingStationUtils.checkTemplateMaxConnectors( + templateMaxConnectors, + this.templateFile, + this.logPrefix() + ); + if ( + configuredMaxConnectors > + (stationTemplate?.Connectors[0] ? templateMaxConnectors - 1 : templateMaxConnectors) && + !stationTemplate?.randomConnectors + ) { + logger.warn( + `${this.logPrefix()} Number of connectors exceeds the number of connector configurations in template ${ + this.templateFile + }, forcing random connector configurations affectation` + ); + stationInfo.randomConnectors = true; + } + // Build connectors if needed (FIXME: should be factored out) + this.initializeConnectors(stationInfo, configuredMaxConnectors, templateMaxConnectors); + stationInfo.maximumAmperage = this.getMaximumAmperage(stationInfo); + ChargingStationUtils.createStationInfoHash(stationInfo); return stationInfo; } - private getStationInfoFromFile(): ChargingStationInfo { - let stationInfo = this.getConfigurationFromFile()?.stationInfo ?? ({} as ChargingStationInfo); - stationInfo = ChargingStationUtils.createStationInfoHash(stationInfo); + private getStationInfoFromFile(): ChargingStationInfo | null { + let stationInfo: ChargingStationInfo = null; + this.getStationInfoPersistentConfiguration() && + (stationInfo = this.getConfigurationFromFile()?.stationInfo ?? null); + stationInfo && ChargingStationUtils.createStationInfoHash(stationInfo); return stationInfo; } private getStationInfo(): ChargingStationInfo { - const stationInfoFromTemplate: ChargingStationInfo = this.getStationInfoFromTemplate(); - this.hashId = ChargingStationUtils.getHashId(stationInfoFromTemplate); - this.configurationFile = path.join( - path.resolve(__dirname, '../'), - 'assets', - 'configurations', - this.hashId + '.json' - ); + const stationInfoFromTemplate: ChargingStationInfo = this.getStationInfoFromTemplate(); const stationInfoFromFile: ChargingStationInfo = this.getStationInfoFromFile(); // Priority: charging station info from template > charging station info from configuration file > charging station info attribute if (stationInfoFromFile?.templateHash === stationInfoFromTemplate.templateHash) { @@ -803,12 +886,19 @@ export default class ChargingStation { } return stationInfoFromFile; } - ChargingStationUtils.createSerialNumber(stationInfoFromTemplate, stationInfoFromFile); + stationInfoFromFile && + ChargingStationUtils.propagateSerialNumber( + this.getTemplateFromFile(), + stationInfoFromFile, + stationInfoFromTemplate + ); return stationInfoFromTemplate; } private saveStationInfo(): void { - this.saveConfiguration(Section.stationInfo); + if (this.getStationInfoPersistentConfiguration()) { + this.saveConfiguration(); + } } private getOcppVersion(): OCPPVersion { @@ -816,60 +906,43 @@ export default class ChargingStation { } private getOcppPersistentConfiguration(): boolean { - return this.stationInfo.ocppPersistentConfiguration ?? true; + return this.stationInfo?.ocppPersistentConfiguration ?? true; + } + + private getStationInfoPersistentConfiguration(): boolean { + return this.stationInfo?.stationInfoPersistentConfiguration ?? true; } private handleUnsupportedVersion(version: OCPPVersion) { - const errMsg = `${this.logPrefix()} Unsupported protocol version '${version}' configured in template file ${ - this.templateFile - }`; - logger.error(errMsg); - throw new Error(errMsg); + const errMsg = `Unsupported protocol version '${version}' configured in template file ${this.templateFile}`; + logger.error(`${this.logPrefix()} ${errMsg}`); + throw new BaseError(errMsg); } private initialize(): void { - this.stationInfo = this.getStationInfo(); - logger.info(`${this.logPrefix()} Charging station hashId '${this.hashId}'`); - this.bootNotificationRequest = ChargingStationUtils.createBootNotificationRequest( - this.stationInfo - ); - this.ocppConfiguration = this.getOcppConfiguration(); - this.stationInfo?.Configuration && delete this.stationInfo.Configuration; - this.wsConfiguredConnectionUrl = new URL( - this.getConfiguredSupervisionUrl().href + '/' + this.stationInfo.chargingStationId + this.configurationFile = path.join( + path.dirname(this.templateFile.replace('station-templates', 'configurations')), + ChargingStationUtils.getHashId(this.index, this.getTemplateFromFile()) + '.json' ); - // Build connectors if needed - const maxConnectors = this.getMaxNumberOfConnectors(); - this.checkMaxConnectors(maxConnectors); - const templateMaxConnectors = this.getTemplateMaxNumberOfConnectors(); - this.checkTemplateMaxConnectors(templateMaxConnectors); - if ( - maxConnectors > - (this.stationInfo?.Connectors[0] ? templateMaxConnectors - 1 : templateMaxConnectors) && - !this.stationInfo.randomConnectors - ) { - logger.warn( - `${this.logPrefix()} Number of connectors exceeds the number of connector configurations in template ${ - this.templateFile - }, forcing random connector configurations affectation` - ); - this.stationInfo.randomConnectors = true; - } - this.initializeConnectors(this.stationInfo, maxConnectors, templateMaxConnectors); - this.stationInfo.maximumAmperage = this.getMaximumAmperage(); - this.stationInfo = ChargingStationUtils.createStationInfoHash(this.stationInfo); + this.stationInfo = this.getStationInfo(); this.saveStationInfo(); // Avoid duplication of connectors related information in RAM this.stationInfo?.Connectors && delete this.stationInfo.Connectors; - // OCPP configuration - this.initializeOcppConfiguration(); + this.configuredSupervisionUrl = this.getConfiguredSupervisionUrl(); if (this.getEnableStatistics()) { this.performanceStatistics = PerformanceStatistics.getInstance( - this.hashId, + this.stationInfo.hashId, this.stationInfo.chargingStationId, - this.wsConnectionUrl + this.configuredSupervisionUrl ); } + this.bootNotificationRequest = ChargingStationUtils.createBootNotificationRequest( + this.stationInfo + ); + this.powerDivider = this.getPowerDivider(); + // OCPP configuration + this.ocppConfiguration = this.getOcppConfiguration(); + this.initializeOcppConfiguration(); switch (this.getOcppVersion()) { case OCPPVersion.VERSION_16: this.ocppIncomingRequestService = @@ -882,14 +955,13 @@ export default class ChargingStation { this.handleUnsupportedVersion(this.getOcppVersion()); break; } - if (this.stationInfo.autoRegister) { + if (this.stationInfo?.autoRegister === true) { this.bootNotificationResponse = { currentTime: new Date().toISOString(), interval: this.getHeartbeatInterval() / 1000, status: RegistrationStatus.ACCEPTED, }; } - this.stationInfo.powerDivider = this.getPowerDivider(); } private initializeOcppConfiguration(): void { @@ -925,7 +997,7 @@ export default class ChargingStation { ChargingStationConfigurationUtils.addConfigurationKey( this, this.getSupervisionUrlOcppKey(), - this.getConfiguredSupervisionUrl().href, + this.configuredSupervisionUrl.href, { reboot: true } ); } else if ( @@ -1056,14 +1128,12 @@ export default class ChargingStation { private initializeConnectors( stationInfo: ChargingStationInfo, - maxConnectors: number, + configuredMaxConnectors: 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); + const logMsg = `No already defined connectors and charging station information from template ${this.templateFile} with no connectors configuration defined`; + logger.error(`${this.logPrefix()} ${logMsg}`); throw new BaseError(logMsg); } if (!stationInfo?.Connectors[0]) { @@ -1076,7 +1146,7 @@ export default class ChargingStation { if (stationInfo?.Connectors) { const connectorsConfigHash = crypto .createHash(Constants.DEFAULT_HASH_ALGORITHM) - .update(JSON.stringify(stationInfo?.Connectors) + maxConnectors.toString()) + .update(JSON.stringify(stationInfo?.Connectors) + configuredMaxConnectors.toString()) .digest('hex'); const connectorsConfigChanged = this.connectors?.size !== 0 && this.connectorsConfigurationHash !== connectorsConfigHash; @@ -1086,15 +1156,17 @@ export default class ChargingStation { // Add connector Id 0 let lastConnector = '0'; for (lastConnector in stationInfo?.Connectors) { + const connectorStatus = stationInfo?.Connectors[lastConnector]; const lastConnectorId = Utils.convertToInt(lastConnector); if ( lastConnectorId === 0 && - this.getUseConnectorId0() && - stationInfo?.Connectors[lastConnector] + this.getUseConnectorId0(stationInfo) === true && + connectorStatus ) { + this.checkStationInfoConnectorStatus(lastConnectorId, connectorStatus); this.connectors.set( lastConnectorId, - Utils.cloneObject(stationInfo?.Connectors[lastConnector]) + Utils.cloneObject(connectorStatus) ); this.getConnectorStatus(lastConnectorId).availability = AvailabilityType.OPERATIVE; if (Utils.isUndefined(this.getConnectorStatus(lastConnectorId)?.chargingProfiles)) { @@ -1104,14 +1176,13 @@ export default class ChargingStation { } // Generate all connectors if ((stationInfo?.Connectors[0] ? templateMaxConnectors - 1 : templateMaxConnectors) > 0) { - for (let index = 1; index <= maxConnectors; index++) { - const randConnectorId = stationInfo.randomConnectors + for (let index = 1; index <= configuredMaxConnectors; index++) { + const randConnectorId = stationInfo?.randomConnectors ? Utils.getRandomInteger(Utils.convertToInt(lastConnector), 1) : index; - this.connectors.set( - index, - Utils.cloneObject(stationInfo?.Connectors[randConnectorId]) - ); + const connectorStatus = stationInfo?.Connectors[randConnectorId.toString()]; + this.checkStationInfoConnectorStatus(randConnectorId, connectorStatus); + this.connectors.set(index, Utils.cloneObject(connectorStatus)); this.getConnectorStatus(index).availability = AvailabilityType.OPERATIVE; if (Utils.isUndefined(this.getConnectorStatus(index)?.chargingProfiles)) { this.getConnectorStatus(index).chargingProfiles = []; @@ -1128,35 +1199,27 @@ export default class ChargingStation { } // Initialize transaction attributes on connectors for (const connectorId of this.connectors.keys()) { - if (connectorId > 0 && !this.getConnectorStatus(connectorId)?.transactionStarted) { + if ( + connectorId > 0 && + (this.getConnectorStatus(connectorId).transactionStarted === undefined || + this.getConnectorStatus(connectorId).transactionStarted === false) + ) { this.initializeConnectorStatus(connectorId); } } } - private checkMaxConnectors(maxConnectors: number): void { - if (maxConnectors <= 0) { - logger.warn( - `${this.logPrefix()} Charging station information from template ${ - this.templateFile - } with ${maxConnectors} connectors` - ); - } - } - - private checkTemplateMaxConnectors(templateMaxConnectors: number): void { - if (templateMaxConnectors === 0) { + private checkStationInfoConnectorStatus( + connectorId: number, + connectorStatus: ConnectorStatus + ): void { + if (!Utils.isNullOrUndefined(connectorStatus?.status)) { logger.warn( `${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` + } with connector ${connectorId} status configuration defined, undefine it` ); + connectorStatus.status = undefined; } } @@ -1164,12 +1227,20 @@ export default class ChargingStation { let configuration: ChargingStationConfiguration = null; if (this.configurationFile && fs.existsSync(this.configurationFile)) { try { - const measureId = `${FileType.ChargingStationConfiguration} read`; - const beginId = PerformanceStatistics.beginMeasure(measureId); - configuration = JSON.parse( - fs.readFileSync(this.configurationFile, 'utf8') - ) as ChargingStationConfiguration; - PerformanceStatistics.endMeasure(measureId, beginId); + if (this.sharedLRUCache.hasChargingStationConfiguration(this.configurationFileHash)) { + configuration = this.sharedLRUCache.getChargingStationConfiguration( + this.configurationFileHash + ); + } else { + const measureId = `${FileType.ChargingStationConfiguration} read`; + const beginId = PerformanceStatistics.beginMeasure(measureId); + configuration = JSON.parse( + fs.readFileSync(this.configurationFile, 'utf8') + ) as ChargingStationConfiguration; + PerformanceStatistics.endMeasure(measureId, beginId); + this.configurationFileHash = configuration.configurationHash; + this.sharedLRUCache.setChargingStationConfiguration(configuration); + } } catch (error) { FileUtils.handleFileException( this.logPrefix(), @@ -1182,42 +1253,40 @@ export default class ChargingStation { return configuration; } - private saveConfiguration(section?: Section): void { + private saveConfiguration(): void { if (this.configurationFile) { try { - const configurationData: ChargingStationConfiguration = - this.getConfigurationFromFile() ?? {}; if (!fs.existsSync(path.dirname(this.configurationFile))) { fs.mkdirSync(path.dirname(this.configurationFile), { recursive: true }); } - switch (section) { - case Section.ocppConfiguration: - configurationData.configurationKey = this.ocppConfiguration.configurationKey; - break; - case Section.stationInfo: - if (configurationData?.stationInfo?.infoHash === this.stationInfo?.infoHash) { - logger.debug( - `${this.logPrefix()} Not saving unchanged charging station information to configuration file ${ - this.configurationFile - }` - ); - return; - } - configurationData.stationInfo = this.stationInfo; - break; - default: - configurationData.configurationKey = this.ocppConfiguration.configurationKey; - if (configurationData?.stationInfo?.infoHash !== this.stationInfo?.infoHash) { - configurationData.stationInfo = this.stationInfo; - } - break; + const configurationData: ChargingStationConfiguration = + this.getConfigurationFromFile() ?? {}; + this.ocppConfiguration?.configurationKey && + (configurationData.configurationKey = this.ocppConfiguration.configurationKey); + this.stationInfo && (configurationData.stationInfo = this.stationInfo); + delete configurationData.configurationHash; + const configurationHash = crypto + .createHash(Constants.DEFAULT_HASH_ALGORITHM) + .update(JSON.stringify(configurationData)) + .digest('hex'); + if (this.configurationFileHash !== configurationHash) { + configurationData.configurationHash = configurationHash; + const measureId = `${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); + this.sharedLRUCache.deleteChargingStationConfiguration(this.configurationFileHash); + this.configurationFileHash = configurationHash; + this.sharedLRUCache.setChargingStationConfiguration(configurationData); + } else { + logger.debug( + `${this.logPrefix()} Not saving unchanged charging station configuration file ${ + this.configurationFile + }` + ); } - const measureId = `${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(), @@ -1233,8 +1302,8 @@ export default class ChargingStation { } } - private getOcppConfigurationFromTemplate(): ChargingStationOcppConfiguration { - return this.getTemplateFromFile().Configuration ?? ({} as ChargingStationOcppConfiguration); + private getOcppConfigurationFromTemplate(): ChargingStationOcppConfiguration | null { + return this.getTemplateFromFile()?.Configuration ?? null; } private getOcppConfigurationFromFile(): ChargingStationOcppConfiguration | null { @@ -1247,7 +1316,7 @@ export default class ChargingStation { return configuration; } - private getOcppConfiguration(): ChargingStationOcppConfiguration { + private getOcppConfiguration(): ChargingStationOcppConfiguration | null { let ocppConfiguration: ChargingStationOcppConfiguration = this.getOcppConfigurationFromFile(); if (!ocppConfiguration) { ocppConfiguration = this.getOcppConfigurationFromTemplate(); @@ -1256,34 +1325,21 @@ export default class ChargingStation { } private async onOpen(): Promise { - if (this.isWebSocketConnectionOpened()) { + if (this.isWebSocketConnectionOpened() === true) { logger.info( `${this.logPrefix()} Connection to OCPP server through ${this.wsConnectionUrl.toString()} succeeded` ); - if (!this.isRegistered()) { + if (this.isRegistered() === false) { // Send BootNotification let registrationRetryCount = 0; do { this.bootNotificationResponse = await this.ocppRequestService.requestHandler< BootNotificationRequest, BootNotificationResponse - >( - this, - RequestCommand.BOOT_NOTIFICATION, - { - chargePointModel: this.bootNotificationRequest.chargePointModel, - chargePointVendor: this.bootNotificationRequest.chargePointVendor, - chargeBoxSerialNumber: this.bootNotificationRequest.chargeBoxSerialNumber, - firmwareVersion: this.bootNotificationRequest.firmwareVersion, - chargePointSerialNumber: this.bootNotificationRequest.chargePointSerialNumber, - iccid: this.bootNotificationRequest.iccid, - imsi: this.bootNotificationRequest.imsi, - meterSerialNumber: this.bootNotificationRequest.meterSerialNumber, - meterType: this.bootNotificationRequest.meterType, - }, - { skipBufferingOnError: true } - ); - if (!this.isRegistered()) { + >(this, RequestCommand.BOOT_NOTIFICATION, this.bootNotificationRequest, { + skipBufferingOnError: true, + }); + if (this.isRegistered() === false) { this.getRegistrationMaxRetries() !== -1 && registrationRetryCount++; await Utils.sleep( this.bootNotificationResponse?.interval @@ -1292,24 +1348,23 @@ export default class ChargingStation { ); } } while ( - !this.isRegistered() && + this.isRegistered() === false && (registrationRetryCount <= this.getRegistrationMaxRetries() || this.getRegistrationMaxRetries() === -1) ); } - if (this.isRegistered()) { + if (this.isRegistered() === true) { if (this.isInAcceptedState()) { await this.startMessageSequence(); - this.wsConnectionRestarted && this.flushMessageBuffer(); } } else { logger.error( `${this.logPrefix()} Registration failure: max retries reached (${this.getRegistrationMaxRetries()}) or retry disabled (${this.getRegistrationMaxRetries()})` ); } - this.stopped && (this.stopped = false); - this.autoReconnectRetryCount = 0; this.wsConnectionRestarted = false; + this.autoReconnectRetryCount = 0; + parentPort.postMessage(MessageChannelUtils.buildUpdatedMessage(this)); } else { logger.warn( `${this.logPrefix()} Connection to OCPP server through ${this.wsConnectionUrl.toString()} failed` @@ -1323,7 +1378,7 @@ export default class ChargingStation { case WebSocketCloseEventStatusCode.CLOSE_NORMAL: case WebSocketCloseEventStatusCode.CLOSE_NO_STATUS: logger.info( - `${this.logPrefix()} WebSocket normally closed with status '${ChargingStationUtils.getWebSocketCloseEventStatusString( + `${this.logPrefix()} WebSocket normally closed with status '${Utils.getWebSocketCloseEventStatusString( code )}' and reason '${reason}'` ); @@ -1332,13 +1387,14 @@ export default class ChargingStation { // Abnormal close default: logger.error( - `${this.logPrefix()} WebSocket abnormally closed with status '${ChargingStationUtils.getWebSocketCloseEventStatusString( + `${this.logPrefix()} WebSocket abnormally closed with status '${Utils.getWebSocketCloseEventStatusString( code )}' and reason '${reason}'` ); - await this.reconnect(code); + this.started === true && (await this.reconnect()); break; } + parentPort.postMessage(MessageChannelUtils.buildUpdatedMessage(this)); } private async onMessage(data: Data): Promise { @@ -1357,14 +1413,14 @@ export default class ChargingStation { let errMsg: string; try { const request = JSON.parse(data.toString()) as IncomingRequest | Response | ErrorResponse; - if (Utils.isIterable(request)) { + if (Array.isArray(request) === true) { [messageType, messageId] = request; // Check the type of message switch (messageType) { // Incoming Message case MessageType.CALL_MESSAGE: [, , commandName, commandPayload] = request as IncomingRequest; - if (this.getEnableStatistics()) { + if (this.getEnableStatistics() === true) { this.performanceStatistics.addRequestStatistic(commandName, messageType); } logger.debug( @@ -1383,7 +1439,7 @@ export default class ChargingStation { // Outcome Message case MessageType.CALL_RESULT_MESSAGE: [, , commandPayload] = request as Response; - if (!this.requests.has(messageId)) { + if (this.requests.has(messageId) === false) { // Error throw new OCPPError( ErrorType.INTERNAL_ERROR, @@ -1394,19 +1450,19 @@ export default class ChargingStation { } // Respond cachedRequest = this.requests.get(messageId); - if (Utils.isIterable(cachedRequest)) { - [responseCallback, , requestCommandName, requestPayload] = cachedRequest; + if (Array.isArray(cachedRequest) === true) { + [responseCallback, errorCallback, requestCommandName, requestPayload] = cachedRequest; } else { throw new OCPPError( ErrorType.PROTOCOL_ERROR, - `Cached request for message id ${messageId} response is not iterable`, + `Cached request for message id ${messageId} response is not an array`, null, cachedRequest as unknown as JsonType ); } logger.debug( `${this.logPrefix()} << Command '${ - requestCommandName ?? '' + requestCommandName ?? Constants.UNKNOWN_COMMAND }' received response payload: ${JSON.stringify(request)}` ); responseCallback(commandPayload, requestPayload); @@ -1414,7 +1470,7 @@ export default class ChargingStation { // Error Message case MessageType.CALL_ERROR_MESSAGE: [, , errorType, errorMessage, errorDetails] = request as ErrorResponse; - if (!this.requests.has(messageId)) { + if (this.requests.has(messageId) === false) { // Error throw new OCPPError( ErrorType.INTERNAL_ERROR, @@ -1424,19 +1480,19 @@ export default class ChargingStation { ); } cachedRequest = this.requests.get(messageId); - if (Utils.isIterable(cachedRequest)) { + if (Array.isArray(cachedRequest) === true) { [, errorCallback, requestCommandName] = cachedRequest; } else { throw new OCPPError( ErrorType.PROTOCOL_ERROR, - `Cached request for message id ${messageId} error response is not iterable`, + `Cached request for message id ${messageId} error response is not an array`, null, cachedRequest as unknown as JsonType ); } logger.debug( `${this.logPrefix()} << Command '${ - requestCommandName ?? '' + requestCommandName ?? Constants.UNKNOWN_COMMAND }' received error payload: ${JSON.stringify(request)}` ); errorCallback(new OCPPError(errorType, errorMessage, requestCommandName, errorDetails)); @@ -1444,32 +1500,57 @@ export default class ChargingStation { // Error default: // eslint-disable-next-line @typescript-eslint/restrict-template-expressions - errMsg = `${this.logPrefix()} Wrong message type ${messageType}`; - logger.error(errMsg); + errMsg = `Wrong message type ${messageType}`; + logger.error(`${this.logPrefix()} ${errMsg}`); throw new OCPPError(ErrorType.PROTOCOL_ERROR, errMsg); } + parentPort.postMessage(MessageChannelUtils.buildUpdatedMessage(this)); } else { - throw new OCPPError(ErrorType.PROTOCOL_ERROR, 'Incoming message is not iterable', null, { - payload: request, + throw new OCPPError(ErrorType.PROTOCOL_ERROR, 'Incoming message is not an array', null, { + request, }); } } catch (error) { // Log logger.error( - '%s Incoming OCPP message %j matching cached request %j processing error %j', - this.logPrefix(), - data.toString(), - this.requests.get(messageId), + `${this.logPrefix()} Incoming OCPP command '${ + commandName ?? requestCommandName ?? Constants.UNKNOWN_COMMAND + }' message '${data.toString()}'${ + messageType !== MessageType.CALL_MESSAGE + ? ` matching cached request '${JSON.stringify(this.requests.get(messageId))}'` + : '' + } processing error:`, error ); - // Send error - messageType === MessageType.CALL_MESSAGE && - (await this.ocppRequestService.sendError( - this, - messageId, - error as OCPPError, - commandName ?? requestCommandName ?? null - )); + if (error instanceof OCPPError === false) { + logger.warn( + `${this.logPrefix()} Error thrown at incoming OCPP command '${ + commandName ?? requestCommandName ?? Constants.UNKNOWN_COMMAND + }' message '${data.toString()}' handling is not an OCPPError:`, + error + ); + } + switch (messageType) { + case MessageType.CALL_MESSAGE: + // Send error + await this.ocppRequestService.sendError( + this, + messageId, + error as OCPPError, + commandName ?? requestCommandName ?? null + ); + break; + case MessageType.CALL_RESULT_MESSAGE: + case MessageType.CALL_ERROR_MESSAGE: + if (errorCallback) { + // Reject the deferred promise in case of error at response handling (rejecting an already fulfilled promise is a no-op) + errorCallback(error as OCPPError, false); + } else { + // Remove the request from the cache in case of error at response handling + this.requests.delete(messageId); + } + break; + } } } @@ -1482,61 +1563,55 @@ export default class ChargingStation { } private onError(error: WSError): void { - logger.error(this.logPrefix() + ' WebSocket error: %j', error); - } - - private getAuthorizationFile(): string | undefined { - return ( - this.stationInfo.authorizationFile && - path.join( - path.resolve(__dirname, '../'), - 'assets', - path.basename(this.stationInfo.authorizationFile) - ) - ); + this.closeWSConnection(); + logger.error(this.logPrefix() + ' WebSocket error:', error); } - private getAuthorizedTags(): string[] { - let authorizedTags: string[] = []; - const authorizationFile = this.getAuthorizationFile(); - if (authorizationFile) { - try { - // Load authorization file - authorizedTags = JSON.parse(fs.readFileSync(authorizationFile, 'utf8')) as string[]; - } catch (error) { - FileUtils.handleFileException( - this.logPrefix(), - FileType.Authorization, - authorizationFile, - error as NodeJS.ErrnoException - ); - } - } else { - logger.info( - this.logPrefix() + ' No authorization file given in template file ' + this.templateFile + private getEnergyActiveImportRegister( + connectorStatus: ConnectorStatus, + meterStop = false + ): number { + if (this.getMeteringPerTransaction() === true) { + return ( + (meterStop === true + ? Math.round(connectorStatus?.transactionEnergyActiveImportRegisterValue) + : connectorStatus?.transactionEnergyActiveImportRegisterValue) ?? 0 ); } - return authorizedTags; + return ( + (meterStop === true + ? Math.round(connectorStatus?.energyActiveImportRegisterValue) + : connectorStatus?.energyActiveImportRegisterValue) ?? 0 + ); } - private getUseConnectorId0(): boolean | undefined { - return !Utils.isUndefined(this.stationInfo.useConnectorId0) - ? this.stationInfo.useConnectorId0 + private getUseConnectorId0(stationInfo?: ChargingStationInfo): boolean { + const localStationInfo = stationInfo ?? this.stationInfo; + return !Utils.isUndefined(localStationInfo.useConnectorId0) + ? localStationInfo.useConnectorId0 : true; } private getNumberOfRunningTransactions(): number { let trxCount = 0; for (const connectorId of this.connectors.keys()) { - if (connectorId > 0 && this.getConnectorStatus(connectorId)?.transactionStarted) { + if (connectorId > 0 && this.getConnectorStatus(connectorId)?.transactionStarted === true) { trxCount++; } } return trxCount; } + private async stopRunningTransactions(reason = StopTransactionReason.NONE): Promise { + for (const connectorId of this.connectors.keys()) { + if (connectorId > 0 && this.getConnectorStatus(connectorId)?.transactionStarted === true) { + await this.stopTransactionOnConnector(connectorId, reason); + } + } + } + // 0 for disabling - private getConnectionTimeout(): number | undefined { + private getConnectionTimeout(): number { if ( ChargingStationConfigurationUtils.getConfigurationKey( this, @@ -1556,7 +1631,7 @@ export default class ChargingStation { } // -1 for unlimited, 0 for disabling - private getAutoReconnectMaxRetries(): number | undefined { + private getAutoReconnectMaxRetries(): number { if (!Utils.isUndefined(this.stationInfo.autoReconnectMaxRetries)) { return this.stationInfo.autoReconnectMaxRetries; } @@ -1567,7 +1642,7 @@ export default class ChargingStation { } // 0 for disabling - private getRegistrationMaxRetries(): number | undefined { + private getRegistrationMaxRetries(): number { if (!Utils.isUndefined(this.stationInfo.registrationMaxRetries)) { return this.stationInfo.registrationMaxRetries; } @@ -1576,50 +1651,28 @@ export default class ChargingStation { private getPowerDivider(): number { let powerDivider = this.getNumberOfConnectors(); - if (this.stationInfo.powerSharedByConnectors) { + if (this.stationInfo?.powerSharedByConnectors) { powerDivider = this.getNumberOfRunningTransactions(); } return powerDivider; } - private getTemplateMaxNumberOfConnectors(): number { - if (!this.stationInfo?.Connectors) { - return -1; - } - return Object.keys(this.stationInfo?.Connectors).length; - } - - private getMaxNumberOfConnectors(): number { - let maxConnectors: number; - if (!Utils.isEmptyArray(this.stationInfo.numberOfConnectors)) { - const numberOfConnectors = this.stationInfo.numberOfConnectors as number[]; - // Distribute evenly the number of connectors - maxConnectors = numberOfConnectors[(this.index - 1) % numberOfConnectors.length]; - } else if (!Utils.isUndefined(this.stationInfo.numberOfConnectors)) { - maxConnectors = this.stationInfo.numberOfConnectors as number; - } else { - 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 getMaximumPower(stationInfo?: ChargingStationInfo): number { + const localStationInfo = stationInfo ?? this.stationInfo; + return (localStationInfo['maxPower'] as number) ?? localStationInfo.maximumPower; } - private getMaximumAmperage(): number | undefined { - const maximumPower = this.getMaximumPower(); - switch (this.getCurrentOutType()) { + private getMaximumAmperage(stationInfo: ChargingStationInfo): number | undefined { + const maximumPower = this.getMaximumPower(stationInfo); + switch (this.getCurrentOutType(stationInfo)) { case CurrentType.AC: return ACElectricUtils.amperagePerPhaseFromPower( - this.getNumberOfPhases(), + this.getNumberOfPhases(stationInfo), maximumPower / this.getNumberOfConnectors(), - this.getVoltageOut() + this.getVoltageOut(stationInfo) ); case CurrentType.DC: - return DCElectricUtils.amperage(maximumPower, this.getVoltageOut()); + return DCElectricUtils.amperage(maximumPower, this.getVoltageOut(stationInfo)); } } @@ -1642,27 +1695,65 @@ export default class ChargingStation { } } + private getChargingProfilePowerLimit(connectorId: number): number | undefined { + let limit: number, matchingChargingProfile: ChargingProfile; + let chargingProfiles: ChargingProfile[] = []; + // Get charging profiles for connector and sort by stack level + chargingProfiles = this.getConnectorStatus(connectorId).chargingProfiles.sort( + (a, b) => b.stackLevel - a.stackLevel + ); + // Get profiles on connector 0 + if (this.getConnectorStatus(0).chargingProfiles) { + chargingProfiles.push( + ...this.getConnectorStatus(0).chargingProfiles.sort((a, b) => b.stackLevel - a.stackLevel) + ); + } + if (!Utils.isEmptyArray(chargingProfiles)) { + const result = ChargingStationUtils.getLimitFromChargingProfiles( + chargingProfiles, + this.logPrefix() + ); + if (!Utils.isNullOrUndefined(result)) { + limit = result.limit; + matchingChargingProfile = result.matchingChargingProfile; + switch (this.getCurrentOutType()) { + case CurrentType.AC: + limit = + matchingChargingProfile.chargingSchedule.chargingRateUnit === + ChargingRateUnitType.WATT + ? limit + : ACElectricUtils.powerTotal(this.getNumberOfPhases(), this.getVoltageOut(), limit); + break; + case CurrentType.DC: + limit = + matchingChargingProfile.chargingSchedule.chargingRateUnit === + ChargingRateUnitType.WATT + ? limit + : DCElectricUtils.power(this.getVoltageOut(), limit); + } + const connectorMaximumPower = this.getMaximumPower() / this.powerDivider; + if (limit > connectorMaximumPower) { + logger.error( + `${this.logPrefix()} Charging profile id ${ + matchingChargingProfile.chargingProfileId + } limit is greater than connector id ${connectorId} maximum, dump charging profiles' stack: %j`, + this.getConnectorStatus(connectorId).chargingProfiles + ); + limit = connectorMaximumPower; + } + } + } + return limit; + } + private async startMessageSequence(): Promise { - if (this.stationInfo.autoRegister) { + if (this.stationInfo?.autoRegister === true) { await this.ocppRequestService.requestHandler< BootNotificationRequest, BootNotificationResponse - >( - this, - RequestCommand.BOOT_NOTIFICATION, - { - chargePointModel: this.bootNotificationRequest.chargePointModel, - chargePointVendor: this.bootNotificationRequest.chargePointVendor, - chargeBoxSerialNumber: this.bootNotificationRequest.chargeBoxSerialNumber, - firmwareVersion: this.bootNotificationRequest.firmwareVersion, - chargePointSerialNumber: this.bootNotificationRequest.chargePointSerialNumber, - iccid: this.bootNotificationRequest.iccid, - imsi: this.bootNotificationRequest.imsi, - meterSerialNumber: this.bootNotificationRequest.meterSerialNumber, - meterType: this.bootNotificationRequest.meterType, - }, - { skipBufferingOnError: true } - ); + >(this, RequestCommand.BOOT_NOTIFICATION, this.bootNotificationRequest, { + skipBufferingOnError: true, + }); } // Start WebSocket ping this.startWebSocketPing(); @@ -1670,76 +1761,43 @@ export default class ChargingStation { this.startHeartbeat(); // Initialize connectors status for (const connectorId of this.connectors.keys()) { + let chargePointStatus: ChargePointStatus; if (connectorId === 0) { continue; } else if ( - !this.stopped && !this.getConnectorStatus(connectorId)?.status && - this.getConnectorStatus(connectorId)?.bootStatus + (this.isChargingStationAvailable() === false || + this.isConnectorAvailable(connectorId) === false) ) { - // Send status in template at startup - await this.ocppRequestService.requestHandler< - StatusNotificationRequest, - StatusNotificationResponse - >(this, RequestCommand.STATUS_NOTIFICATION, { - connectorId, - status: this.getConnectorStatus(connectorId).bootStatus, - errorCode: ChargePointErrorCode.NO_ERROR, - }); - this.getConnectorStatus(connectorId).status = - this.getConnectorStatus(connectorId).bootStatus; + chargePointStatus = ChargePointStatus.UNAVAILABLE; } else if ( - this.stopped && - this.getConnectorStatus(connectorId)?.status && + !this.getConnectorStatus(connectorId)?.status && this.getConnectorStatus(connectorId)?.bootStatus ) { - // Send status in template after reset - await this.ocppRequestService.requestHandler< - StatusNotificationRequest, - StatusNotificationResponse - >(this, RequestCommand.STATUS_NOTIFICATION, { - connectorId, - status: this.getConnectorStatus(connectorId).bootStatus, - errorCode: ChargePointErrorCode.NO_ERROR, - }); - this.getConnectorStatus(connectorId).status = - this.getConnectorStatus(connectorId).bootStatus; - } else if (!this.stopped && this.getConnectorStatus(connectorId)?.status) { - // Send previous status at template reload - await this.ocppRequestService.requestHandler< - StatusNotificationRequest, - StatusNotificationResponse - >(this, RequestCommand.STATUS_NOTIFICATION, { - connectorId, - status: this.getConnectorStatus(connectorId).status, - errorCode: ChargePointErrorCode.NO_ERROR, - }); + // Set boot status in template at startup + chargePointStatus = this.getConnectorStatus(connectorId).bootStatus; + } else if (this.getConnectorStatus(connectorId)?.status) { + // Set previous status at startup + chargePointStatus = this.getConnectorStatus(connectorId).status; } else { - // Send default status - await this.ocppRequestService.requestHandler< - StatusNotificationRequest, - StatusNotificationResponse - >(this, RequestCommand.STATUS_NOTIFICATION, { - connectorId, - status: ChargePointStatus.AVAILABLE, - errorCode: ChargePointErrorCode.NO_ERROR, - }); - this.getConnectorStatus(connectorId).status = ChargePointStatus.AVAILABLE; + // Set default status + chargePointStatus = ChargePointStatus.AVAILABLE; } + await this.ocppRequestService.requestHandler< + StatusNotificationRequest, + StatusNotificationResponse + >(this, RequestCommand.STATUS_NOTIFICATION, { + connectorId, + status: chargePointStatus, + errorCode: ChargePointErrorCode.NO_ERROR, + }); + this.getConnectorStatus(connectorId).status = chargePointStatus; } // Start the ATG - this.startAutomaticTransactionGenerator(); - } - - private startAutomaticTransactionGenerator() { - if (this.stationInfo.AutomaticTransactionGenerator.enable) { - if (!this.automaticTransactionGenerator) { - this.automaticTransactionGenerator = AutomaticTransactionGenerator.getInstance(this); - } - if (!this.automaticTransactionGenerator.started) { - this.automaticTransactionGenerator.start(); - } + if (this.getAutomaticTransactionGeneratorConfigurationFromTemplate()?.enable === true) { + this.startAutomaticTransactionGenerator(); } + this.wsConnectionRestarted === true && this.flushMessageBuffer(); } private async stopMessageSequence( @@ -1749,47 +1807,23 @@ export default class ChargingStation { this.stopWebSocketPing(); // Stop heartbeat this.stopHeartbeat(); - // Stop the ATG - if ( - this.stationInfo.AutomaticTransactionGenerator.enable && - this.automaticTransactionGenerator?.started - ) { - this.automaticTransactionGenerator.stop(); + // Stop ongoing transactions + if (this.automaticTransactionGenerator?.started === true) { + this.stopAutomaticTransactionGenerator(); } else { - for (const connectorId of this.connectors.keys()) { - if (connectorId > 0 && this.getConnectorStatus(connectorId)?.transactionStarted) { - const transactionId = this.getConnectorStatus(connectorId).transactionId; - if ( - this.getBeginEndMeterValues() && - this.getOcppStrictCompliance() && - !this.getOutOfOrderEndMeterValues() - ) { - // FIXME: Implement OCPP version agnostic helpers - const transactionEndMeterValue = OCPP16ServiceUtils.buildTransactionEndMeterValue( - this, - connectorId, - this.getEnergyActiveImportRegisterByTransactionId(transactionId) - ); - await this.ocppRequestService.requestHandler( - this, - RequestCommand.METER_VALUES, - { - connectorId, - transactionId, - meterValue: transactionEndMeterValue, - } - ); - } - await this.ocppRequestService.requestHandler< - StopTransactionRequest, - StopTransactionResponse - >(this, RequestCommand.STOP_TRANSACTION, { - transactionId, - meterStop: this.getEnergyActiveImportRegisterByTransactionId(transactionId), - idTag: this.getTransactionIdTag(transactionId), - reason, - }); - } + await this.stopRunningTransactions(reason); + } + for (const connectorId of this.connectors.keys()) { + if (connectorId > 0) { + await this.ocppRequestService.requestHandler< + StatusNotificationRequest, + StatusNotificationResponse + >(this, RequestCommand.STATUS_NOTIFICATION, { + connectorId, + status: ChargePointStatus.UNAVAILABLE, + errorCode: ChargePointErrorCode.NO_ERROR, + }); + this.getConnectorStatus(connectorId).status = null; } } } @@ -1808,7 +1842,7 @@ export default class ChargingStation { : 0; if (webSocketPingInterval > 0 && !this.webSocketPingSetInterval) { this.webSocketPingSetInterval = setInterval(() => { - if (this.isWebSocketConnectionOpened()) { + if (this.isWebSocketConnectionOpened() === true) { this.wsConnection.ping((): void => { /* This is intentional */ }); @@ -1822,9 +1856,8 @@ export default class ChargingStation { } else if (this.webSocketPingSetInterval) { logger.info( this.logPrefix() + - ' WebSocket ping every ' + - Utils.formatDurationSeconds(webSocketPingInterval) + - ' already started' + ' WebSocket ping already started every ' + + Utils.formatDurationSeconds(webSocketPingInterval) ); } else { logger.error( @@ -1848,39 +1881,34 @@ export default class ChargingStation { this.stationInfo.supervisionUrls ?? Configuration.getSupervisionUrls() ); if (!Utils.isEmptyArray(supervisionUrls)) { - let urlIndex = 0; switch (Configuration.getSupervisionUrlDistribution()) { case SupervisionUrlDistribution.ROUND_ROBIN: - urlIndex = (this.index - 1) % supervisionUrls.length; + // FIXME + this.configuredSupervisionUrlIndex = (this.index - 1) % supervisionUrls.length; break; case SupervisionUrlDistribution.RANDOM: - // Get a random url - urlIndex = Math.floor(Utils.secureRandom() * supervisionUrls.length); + this.configuredSupervisionUrlIndex = Math.floor( + Utils.secureRandom() * supervisionUrls.length + ); break; - case SupervisionUrlDistribution.SEQUENTIAL: - if (this.index <= supervisionUrls.length) { - urlIndex = this.index - 1; - } else { - logger.warn( - `${this.logPrefix()} No more configured supervision urls available, using the first one` - ); - } + case SupervisionUrlDistribution.CHARGING_STATION_AFFINITY: + this.configuredSupervisionUrlIndex = (this.index - 1) % supervisionUrls.length; break; default: logger.error( `${this.logPrefix()} Unknown supervision url distribution '${Configuration.getSupervisionUrlDistribution()}' from values '${SupervisionUrlDistribution.toString()}', defaulting to ${ - SupervisionUrlDistribution.ROUND_ROBIN + SupervisionUrlDistribution.CHARGING_STATION_AFFINITY }` ); - urlIndex = (this.index - 1) % supervisionUrls.length; + this.configuredSupervisionUrlIndex = (this.index - 1) % supervisionUrls.length; break; } - return new URL(supervisionUrls[urlIndex]); + return new URL(supervisionUrls[this.configuredSupervisionUrlIndex]); } return new URL(supervisionUrls as string); } - private getHeartbeatInterval(): number | undefined { + private getHeartbeatInterval(): number { const HeartbeatInterval = ChargingStationConfigurationUtils.getConfigurationKey( this, StandardParametersKey.HeartbeatInterval @@ -1895,7 +1923,7 @@ export default class ChargingStation { if (HeartBeatInterval) { return Utils.convertToInt(HeartBeatInterval.value) * 1000; } - !this.stationInfo.autoRegister && + this.stationInfo?.autoRegister === false && logger.warn( `${this.logPrefix()} Heartbeat interval configuration key not set, using default value: ${ Constants.DEFAULT_HEARTBEAT_INTERVAL @@ -1910,33 +1938,11 @@ export default class ChargingStation { } } - private openWSConnection( - options: WsOptions = this.stationInfo.wsOptions, - forceCloseOpened = false - ): void { - options.handshakeTimeout = options?.handshakeTimeout ?? this.getConnectionTimeout() * 1000; - if ( - !Utils.isNullOrUndefined(this.stationInfo.supervisionUser) && - !Utils.isNullOrUndefined(this.stationInfo.supervisionPassword) - ) { - options.auth = `${this.stationInfo.supervisionUser}:${this.stationInfo.supervisionPassword}`; - } - if (this.isWebSocketConnectionOpened() && forceCloseOpened) { - this.wsConnection.close(); - } - let protocol: string; - switch (this.getOcppVersion()) { - case OCPPVersion.VERSION_16: - protocol = 'ocpp' + OCPPVersion.VERSION_16; - break; - default: - this.handleUnsupportedVersion(this.getOcppVersion()); - break; + private terminateWSConnection(): void { + if (this.isWebSocketConnectionOpened() === true) { + this.wsConnection.terminate(); + this.wsConnection = null; } - this.wsConnection = new WebSocket(this.wsConnectionUrl, protocol, options); - logger.info( - this.logPrefix() + ' Open OCPP connection to URL ' + this.wsConnectionUrl.toString() - ); } private stopMeterValues(connectorId: number) { @@ -1945,24 +1951,20 @@ export default class ChargingStation { } } - private getReconnectExponentialDelay(): boolean | undefined { + private getReconnectExponentialDelay(): boolean { return !Utils.isUndefined(this.stationInfo.reconnectExponentialDelay) ? this.stationInfo.reconnectExponentialDelay : false; } - private async reconnect(code: number): Promise { + private async reconnect(): Promise { // Stop WebSocket ping this.stopWebSocketPing(); // Stop heartbeat this.stopHeartbeat(); // Stop the ATG if needed - if ( - this.stationInfo.AutomaticTransactionGenerator.enable && - this.stationInfo.AutomaticTransactionGenerator.stopOnConnectionFailure && - this.automaticTransactionGenerator?.started - ) { - this.automaticTransactionGenerator.stop(); + if (this.automaticTransactionGenerator?.configuration?.stopOnConnectionFailure === true) { + this.stopAutomaticTransactionGenerator(); } if ( this.autoReconnectRetryCount < this.getAutoReconnectMaxRetries() || @@ -1972,33 +1974,39 @@ export default class ChargingStation { const reconnectDelay = this.getReconnectExponentialDelay() ? Utils.exponentialDelay(this.autoReconnectRetryCount) : this.getConnectionTimeout() * 1000; - const reconnectTimeout = reconnectDelay - 100 > 0 && reconnectDelay; + const reconnectDelayWithdraw = 1000; + const reconnectTimeout = + reconnectDelay && reconnectDelay - reconnectDelayWithdraw > 0 + ? reconnectDelay - reconnectDelayWithdraw + : 0; logger.error( - `${this.logPrefix()} WebSocket: connection retry in ${Utils.roundTo( + `${this.logPrefix()} WebSocket connection retry in ${Utils.roundTo( reconnectDelay, 2 )}ms, timeout ${reconnectTimeout}ms` ); await Utils.sleep(reconnectDelay); logger.error( - this.logPrefix() + - ' WebSocket: reconnecting try #' + - this.autoReconnectRetryCount.toString() + this.logPrefix() + ' WebSocket connection retry #' + this.autoReconnectRetryCount.toString() ); this.openWSConnection( - { ...this.stationInfo.wsOptions, handshakeTimeout: reconnectTimeout }, - true + { ...(this.stationInfo?.wsOptions ?? {}), handshakeTimeout: reconnectTimeout }, + { closeOpened: true } ); this.wsConnectionRestarted = true; } else if (this.getAutoReconnectMaxRetries() !== -1) { logger.error( - `${this.logPrefix()} WebSocket reconnect failure: maximum retries reached (${ + `${this.logPrefix()} WebSocket connection retries failure: maximum retries reached (${ this.autoReconnectRetryCount - }) or retry disabled (${this.getAutoReconnectMaxRetries()})` + }) or retries disabled (${this.getAutoReconnectMaxRetries()})` ); } } + private getAutomaticTransactionGeneratorConfigurationFromTemplate(): AutomaticTransactionGeneratorConfiguration | null { + return this.getTemplateFromFile()?.AutomaticTransactionGenerator ?? null; + } + private initializeConnectorStatus(connectorId: number): void { this.getConnectorStatus(connectorId).idTagLocalAuthorized = false; this.getConnectorStatus(connectorId).idTagAuthorized = false;