X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;f=src%2Fcharging-station%2FAutomaticTransactionGenerator.ts;h=83bedaab3f52c6073d28195ad80a6df8bee54fbe;hb=5af9aa8a875b3dbd4b4d394ecac022d046fa725c;hp=cb05c8f742ff3e3170974d2d2314b4e8cf531dd1;hpb=65c5527e238721583905620633e80b63a29388db;p=e-mobility-charging-stations-simulator.git diff --git a/src/charging-station/AutomaticTransactionGenerator.ts b/src/charging-station/AutomaticTransactionGenerator.ts index cb05c8f7..83bedaab 100644 --- a/src/charging-station/AutomaticTransactionGenerator.ts +++ b/src/charging-station/AutomaticTransactionGenerator.ts @@ -1,130 +1,383 @@ -import { PerformanceObserver, performance } from 'perf_hooks'; +// Partial Copyright Jerome Benoit. 2021. All Rights Reserved. -import ChargingStation from './ChargingStation'; +import PerformanceStatistics from '../performance/PerformanceStatistics'; +import type { + AutomaticTransactionGeneratorConfiguration, + Status, +} from '../types/AutomaticTransactionGenerator'; +import { RequestCommand } from '../types/ocpp/Requests'; +import { + AuthorizationStatus, + AuthorizeRequest, + AuthorizeResponse, + StartTransactionRequest, + StartTransactionResponse, + StopTransactionReason, + StopTransactionResponse, +} from '../types/ocpp/Transaction'; import Constants from '../utils/Constants'; -import Utils from '../utils/Utils'; import logger from '../utils/Logger'; +import Utils from '../utils/Utils'; +import type ChargingStation from './ChargingStation'; export default class AutomaticTransactionGenerator { - private _chargingStation: ChargingStation; - private _timeToStop: boolean; - private _performanceObserver: PerformanceObserver; - - constructor(chargingStation: ChargingStation) { - this._chargingStation = chargingStation; - this._timeToStop = true; - if (this._chargingStation.getEnableStatistics()) { - this._performanceObserver = new PerformanceObserver((list) => { - const entry = list.getEntries()[0]; - this._chargingStation.statistics.logPerformance(entry, 'AutomaticTransactionGenerator'); - this._performanceObserver.disconnect(); - }); + private static readonly instances: Map = new Map< + string, + AutomaticTransactionGenerator + >(); + + public readonly connectorsStatus: Map; + public readonly configuration: AutomaticTransactionGeneratorConfiguration; + public started: boolean; + private readonly chargingStation: ChargingStation; + + private constructor( + automaticTransactionGeneratorConfiguration: AutomaticTransactionGeneratorConfiguration, + chargingStation: ChargingStation + ) { + this.configuration = automaticTransactionGeneratorConfiguration; + this.chargingStation = chargingStation; + this.connectorsStatus = new Map(); + this.stopConnectors(); + this.started = false; + } + + public static getInstance( + automaticTransactionGeneratorConfiguration: AutomaticTransactionGeneratorConfiguration, + chargingStation: ChargingStation + ): AutomaticTransactionGenerator { + if (!AutomaticTransactionGenerator.instances.has(chargingStation.stationInfo.hashId)) { + AutomaticTransactionGenerator.instances.set( + chargingStation.stationInfo.hashId, + new AutomaticTransactionGenerator( + automaticTransactionGeneratorConfiguration, + chargingStation + ) + ); + } + return AutomaticTransactionGenerator.instances.get(chargingStation.stationInfo.hashId); + } + + public start(): void { + if (this.started === true) { + logger.warn(`${this.logPrefix()} trying to start while already started`); + return; } + this.startConnectors(); + this.started = true; } - get timeToStop(): boolean { - return this._timeToStop; + public stop(): void { + if (this.started === false) { + logger.warn(`${this.logPrefix()} trying to stop while not started`); + return; + } + this.stopConnectors(); + this.started = false; } - _logPrefix(connectorId: number = null): string { - if (connectorId) { - return Utils.logPrefix(' ' + this._chargingStation.stationInfo.name + ' ATG on connector #' + connectorId + ':'); + public startConnector(connectorId: number): void { + if (this.chargingStation.connectors.has(connectorId) === false) { + logger.warn(`${this.logPrefix(connectorId)} trying to start on non existing connector`); + return; + } + if (this.connectorsStatus.get(connectorId)?.start === false) { + // Avoid hogging the event loop with a busy loop + setImmediate(() => { + this.internalStartConnector(connectorId).catch(() => { + /* This is intentional */ + }); + }); + } else if (this.connectorsStatus.get(connectorId)?.start === true) { + logger.warn(`${this.logPrefix(connectorId)} already started on connector`); } - return Utils.logPrefix(' ' + this._chargingStation.stationInfo.name + ' ATG:'); } - start(): void { - this._timeToStop = false; - if (this._chargingStation.stationInfo.AutomaticTransactionGenerator.stopAfterHours && - this._chargingStation.stationInfo.AutomaticTransactionGenerator.stopAfterHours > 0) { - setTimeout(() => { - this.stop(); - }, this._chargingStation.stationInfo.AutomaticTransactionGenerator.stopAfterHours * 3600 * 1000); + public stopConnector(connectorId: number): void { + this.connectorsStatus.set(connectorId, { + ...this.connectorsStatus.get(connectorId), + start: false, + }); + } + + private startConnectors(): void { + if ( + this.connectorsStatus?.size > 0 && + this.connectorsStatus.size !== this.chargingStation.getNumberOfConnectors() + ) { + this.connectorsStatus.clear(); } - for (const connector in this._chargingStation.connectors) { - if (Utils.convertToInt(connector) > 0) { - this.startConnector(Utils.convertToInt(connector)); + for (const connectorId of this.chargingStation.connectors.keys()) { + if (connectorId > 0) { + this.startConnector(connectorId); } } - logger.info(this._logPrefix() + ' ATG started and will stop in ' + Utils.secondstoHHMMSS(this._chargingStation.stationInfo.AutomaticTransactionGenerator.stopAfterHours * 3600)); } - async stop(reason = ''): Promise { - logger.info(this._logPrefix() + ' ATG OVER => STOPPING ALL TRANSACTIONS'); - for (const connector in this._chargingStation.connectors) { - if (this._chargingStation.getConnector(Utils.convertToInt(connector)).transactionStarted) { - logger.info(this._logPrefix(Utils.convertToInt(connector)) + ' ATG OVER. Stop transaction ' + this._chargingStation.getConnector(Utils.convertToInt(connector)).transactionId); - await this._chargingStation.sendStopTransaction(this._chargingStation.getConnector(Utils.convertToInt(connector)).transactionId, reason); + private stopConnectors(): void { + for (const connectorId of this.chargingStation.connectors.keys()) { + if (connectorId > 0) { + this.stopConnector(connectorId); } } - this._timeToStop = true; } - async startConnector(connectorId: number): Promise { - do { - const wait = Utils.getRandomInt(this._chargingStation.stationInfo.AutomaticTransactionGenerator.maxDelayBetweenTwoTransactions, - this._chargingStation.stationInfo.AutomaticTransactionGenerator.minDelayBetweenTwoTransactions) * 1000; - logger.info(this._logPrefix(connectorId) + ' wait for ' + Utils.secondstoHHMMSS(wait / 1000)); - await Utils.sleep(wait); - if (this._timeToStop) { - logger.debug(this._logPrefix(connectorId) + ' Entered in transaction loop while a request to stop it was made'); + private async internalStartConnector(connectorId: number): Promise { + this.initializeConnectorStatus(connectorId); + logger.info( + this.logPrefix(connectorId) + + ' started on connector and will run for ' + + Utils.formatDurationMilliSeconds( + this.connectorsStatus.get(connectorId).stopDate.getTime() - + this.connectorsStatus.get(connectorId).startDate.getTime() + ) + ); + while (this.connectorsStatus.get(connectorId).start === true) { + if (new Date() > this.connectorsStatus.get(connectorId).stopDate) { + this.stopConnector(connectorId); + break; + } + if (!this.chargingStation.isInAcceptedState()) { + logger.error( + this.logPrefix(connectorId) + + ' entered in transaction loop while the charging station is not in accepted state' + ); + this.stopConnector(connectorId); + break; + } + if (!this.chargingStation.isChargingStationAvailable()) { + logger.info( + this.logPrefix(connectorId) + + ' entered in transaction loop while the charging station is unavailable' + ); + this.stopConnector(connectorId); break; } - const start = Math.random(); - let skip = 0; - if (start < this._chargingStation.stationInfo.AutomaticTransactionGenerator.probabilityOfStart) { - skip = 0; + if (!this.chargingStation.isConnectorAvailable(connectorId)) { + logger.info( + `${this.logPrefix( + connectorId + )} entered in transaction loop while the connector ${connectorId} is unavailable` + ); + this.stopConnector(connectorId); + break; + } + if (!this.chargingStation?.ocppRequestService) { + logger.info( + `${this.logPrefix( + connectorId + )} transaction loop waiting for charging station service to be initialized` + ); + do { + await Utils.sleep(Constants.CHARGING_STATION_ATG_INITIALIZATION_TIME); + } while (!this.chargingStation?.ocppRequestService); + } + const wait = + Utils.getRandomInteger( + this.configuration.maxDelayBetweenTwoTransactions, + this.configuration.minDelayBetweenTwoTransactions + ) * 1000; + logger.info( + this.logPrefix(connectorId) + ' waiting for ' + Utils.formatDurationMilliSeconds(wait) + ); + await Utils.sleep(wait); + const start = Utils.secureRandom(); + if (start < this.configuration.probabilityOfStart) { + this.connectorsStatus.get(connectorId).skippedConsecutiveTransactions = 0; // Start transaction - let startResponse; - if (this._chargingStation.getEnableStatistics()) { - const startTransaction = performance.timerify(this.startTransaction); - this._performanceObserver.observe({ entryTypes: ['function'] }); - startResponse = await startTransaction(connectorId, this); - } else { - startResponse = await this.startTransaction(connectorId, this); - } - if (startResponse.idTagInfo.status !== 'Accepted') { - logger.info(this._logPrefix(connectorId) + ' transaction rejected'); - await Utils.sleep(Constants.CHARGING_STATION_ATG_WAIT_TIME); + const startResponse = await this.startTransaction(connectorId); + this.connectorsStatus.get(connectorId).startTransactionRequests++; + if (startResponse?.idTagInfo?.status !== AuthorizationStatus.ACCEPTED) { + logger.warn(this.logPrefix(connectorId) + ' start transaction rejected'); + this.connectorsStatus.get(connectorId).rejectedStartTransactionRequests++; } else { // Wait until end of transaction - const waitTrxEnd = Utils.getRandomInt(this._chargingStation.stationInfo.AutomaticTransactionGenerator.maxDuration, - this._chargingStation.stationInfo.AutomaticTransactionGenerator.minDuration) * 1000; - logger.info(this._logPrefix(connectorId) + ' transaction ' + this._chargingStation.getConnector(connectorId).transactionId + ' will stop in ' + Utils.secondstoHHMMSS(waitTrxEnd / 1000)); + const waitTrxEnd = + Utils.getRandomInteger(this.configuration.maxDuration, this.configuration.minDuration) * + 1000; + logger.info( + this.logPrefix(connectorId) + + ' transaction ' + + this.chargingStation.getConnectorStatus(connectorId).transactionId.toString() + + ' started and will stop in ' + + Utils.formatDurationMilliSeconds(waitTrxEnd) + ); + this.connectorsStatus.get(connectorId).acceptedStartTransactionRequests++; await Utils.sleep(waitTrxEnd); // Stop transaction - if (this._chargingStation.getConnector(connectorId).transactionStarted) { - logger.info(this._logPrefix(connectorId) + ' stop transaction ' + this._chargingStation.getConnector(connectorId).transactionId); - if (this._chargingStation.getEnableStatistics()) { - const stopTransaction = performance.timerify(this.stopTransaction); - this._performanceObserver.observe({ entryTypes: ['function'] }); - await stopTransaction(connectorId, this); - } else { - await this.stopTransaction(connectorId, this); - } - } + logger.info( + this.logPrefix(connectorId) + + ' stop transaction ' + + this.chargingStation.getConnectorStatus(connectorId).transactionId.toString() + ); + await this.stopTransaction(connectorId); } } else { - skip++; - logger.info(this._logPrefix(connectorId) + ' transaction skipped ' + skip.toString()); + this.connectorsStatus.get(connectorId).skippedConsecutiveTransactions++; + this.connectorsStatus.get(connectorId).skippedTransactions++; + logger.info( + this.logPrefix(connectorId) + + ' skipped consecutively ' + + this.connectorsStatus.get(connectorId).skippedConsecutiveTransactions.toString() + + '/' + + this.connectorsStatus.get(connectorId).skippedTransactions.toString() + + ' transaction(s)' + ); } - } while (!this._timeToStop); - logger.info(this._logPrefix(connectorId) + ' ATG STOPPED on the connector'); + this.connectorsStatus.get(connectorId).lastRunDate = new Date(); + } + this.connectorsStatus.get(connectorId).stoppedDate = new Date(); + logger.info( + this.logPrefix(connectorId) + + ' stopped on connector and lasted for ' + + Utils.formatDurationMilliSeconds( + this.connectorsStatus.get(connectorId).stoppedDate.getTime() - + this.connectorsStatus.get(connectorId).startDate.getTime() + ) + ); + logger.debug( + `${this.logPrefix(connectorId)} connector status: %j`, + this.connectorsStatus.get(connectorId) + ); } - // eslint-disable-next-line consistent-this - async startTransaction(connectorId: number, self: AutomaticTransactionGenerator): Promise { - if (self._chargingStation.hasAuthorizedTags()) { - const tagId = self._chargingStation.getRandomTagId(); - logger.info(self._logPrefix(connectorId) + ' start transaction for tagID ' + tagId); - return await self._chargingStation.sendStartTransaction(connectorId, tagId); + private initializeConnectorStatus(connectorId: number): void { + this.connectorsStatus.get(connectorId).authorizeRequests = + this?.connectorsStatus.get(connectorId)?.authorizeRequests ?? 0; + this.connectorsStatus.get(connectorId).acceptedAuthorizeRequests = + this?.connectorsStatus.get(connectorId)?.acceptedAuthorizeRequests ?? 0; + this.connectorsStatus.get(connectorId).rejectedAuthorizeRequests = + this?.connectorsStatus.get(connectorId)?.rejectedAuthorizeRequests ?? 0; + this.connectorsStatus.get(connectorId).startTransactionRequests = + this?.connectorsStatus.get(connectorId)?.startTransactionRequests ?? 0; + this.connectorsStatus.get(connectorId).acceptedStartTransactionRequests = + this?.connectorsStatus.get(connectorId)?.acceptedStartTransactionRequests ?? 0; + this.connectorsStatus.get(connectorId).rejectedStartTransactionRequests = + this?.connectorsStatus.get(connectorId)?.rejectedStartTransactionRequests ?? 0; + this.connectorsStatus.get(connectorId).stopTransactionRequests = + this?.connectorsStatus.get(connectorId)?.stopTransactionRequests ?? 0; + this.connectorsStatus.get(connectorId).acceptedStopTransactionRequests = + this?.connectorsStatus.get(connectorId)?.acceptedStopTransactionRequests ?? 0; + this.connectorsStatus.get(connectorId).rejectedStopTransactionRequests = + this?.connectorsStatus.get(connectorId)?.rejectedStopTransactionRequests ?? 0; + this.connectorsStatus.get(connectorId).skippedConsecutiveTransactions = 0; + this.connectorsStatus.get(connectorId).skippedTransactions = + this?.connectorsStatus.get(connectorId)?.skippedTransactions ?? 0; + const previousRunDuration = + this?.connectorsStatus.get(connectorId)?.startDate && + this?.connectorsStatus.get(connectorId)?.lastRunDate + ? this.connectorsStatus.get(connectorId).lastRunDate.getTime() - + this.connectorsStatus.get(connectorId).startDate.getTime() + : 0; + this.connectorsStatus.get(connectorId).startDate = new Date(); + this.connectorsStatus.get(connectorId).stopDate = new Date( + this.connectorsStatus.get(connectorId).startDate.getTime() + + (this.configuration.stopAfterHours ?? + Constants.CHARGING_STATION_ATG_DEFAULT_STOP_AFTER_HOURS) * + 3600 * + 1000 - + previousRunDuration + ); + this.connectorsStatus.get(connectorId).start = true; + } + + private async startTransaction( + connectorId: number + ): Promise { + const measureId = 'StartTransaction with ATG'; + const beginId = PerformanceStatistics.beginMeasure(measureId); + let startResponse: StartTransactionResponse; + if (this.chargingStation.hasAuthorizedTags()) { + const idTag = this.chargingStation.getRandomIdTag(); + const startTransactionLogMsg = `${this.logPrefix( + connectorId + )} start transaction for idTag '${idTag}'`; + if (this.getRequireAuthorize()) { + this.chargingStation.getConnectorStatus(connectorId).authorizeIdTag = idTag; + // Authorize idTag + const authorizeResponse: AuthorizeResponse = + await this.chargingStation.ocppRequestService.requestHandler< + AuthorizeRequest, + AuthorizeResponse + >(this.chargingStation, RequestCommand.AUTHORIZE, { + idTag, + }); + this.connectorsStatus.get(connectorId).authorizeRequests++; + if (authorizeResponse?.idTagInfo?.status === AuthorizationStatus.ACCEPTED) { + this.connectorsStatus.get(connectorId).acceptedAuthorizeRequests++; + logger.info(startTransactionLogMsg); + // Start transaction + startResponse = await this.chargingStation.ocppRequestService.requestHandler< + StartTransactionRequest, + StartTransactionResponse + >(this.chargingStation, RequestCommand.START_TRANSACTION, { + connectorId, + idTag, + }); + PerformanceStatistics.endMeasure(measureId, beginId); + return startResponse; + } + this.connectorsStatus.get(connectorId).rejectedAuthorizeRequests++; + PerformanceStatistics.endMeasure(measureId, beginId); + return authorizeResponse; + } + logger.info(startTransactionLogMsg); + // Start transaction + startResponse = await this.chargingStation.ocppRequestService.requestHandler< + StartTransactionRequest, + StartTransactionResponse + >(this.chargingStation, RequestCommand.START_TRANSACTION, { + connectorId, + idTag, + }); + PerformanceStatistics.endMeasure(measureId, beginId); + return startResponse; } - logger.info(self._logPrefix(connectorId) + ' start transaction without a tagID'); - return await self._chargingStation.sendStartTransaction(connectorId); + logger.info(`${this.logPrefix(connectorId)} start transaction without an idTag`); + startResponse = await this.chargingStation.ocppRequestService.requestHandler< + StartTransactionRequest, + StartTransactionResponse + >(this.chargingStation, RequestCommand.START_TRANSACTION, { connectorId }); + PerformanceStatistics.endMeasure(measureId, beginId); + return startResponse; + } + + private async stopTransaction( + connectorId: number, + reason: StopTransactionReason = StopTransactionReason.LOCAL + ): Promise { + const measureId = 'StopTransaction with ATG'; + const beginId = PerformanceStatistics.beginMeasure(measureId); + let stopResponse: StopTransactionResponse; + if (this.chargingStation.getConnectorStatus(connectorId)?.transactionStarted === true) { + stopResponse = await this.chargingStation.stopTransactionOnConnector(connectorId, reason); + this.connectorsStatus.get(connectorId).stopTransactionRequests++; + if (stopResponse.idTagInfo?.status === AuthorizationStatus.ACCEPTED) { + this.connectorsStatus.get(connectorId).acceptedStopTransactionRequests++; + } else { + this.connectorsStatus.get(connectorId).rejectedStopTransactionRequests++; + } + } else { + const transactionId = this.chargingStation.getConnectorStatus(connectorId).transactionId; + logger.warn( + `${this.logPrefix(connectorId)} trying to stop a not started transaction${ + transactionId ? ' ' + transactionId.toString() : '' + }` + ); + } + PerformanceStatistics.endMeasure(measureId, beginId); + return stopResponse; + } + + private getRequireAuthorize(): boolean { + return this.configuration?.requireAuthorize ?? true; } - // eslint-disable-next-line consistent-this - async stopTransaction(connectorId: number, self: AutomaticTransactionGenerator): Promise { - await self._chargingStation.sendStopTransaction(self._chargingStation.getConnector(connectorId).transactionId); + private logPrefix(connectorId?: number): string { + return Utils.logPrefix( + ` ${this.chargingStation.stationInfo.chargingStationId} | ATG${ + connectorId !== undefined ? ` on connector #${connectorId.toString()}` : '' + }:` + ); } }