-import { PerformanceObserver, performance } from 'perf_hooks';
+// Partial Copyright Jerome Benoit. 2021. All Rights Reserved.
+
+import { AuthorizationStatus, AuthorizeResponse, StartTransactionResponse, StopTransactionReason, StopTransactionResponse } from '../types/ocpp/Transaction';
import ChargingStation from './ChargingStation';
import Constants from '../utils/Constants';
+import PerformanceStatistics from '../performance/PerformanceStatistics';
import Utils from '../utils/Utils';
import logger from '../utils/Logger';
export default class AutomaticTransactionGenerator {
- private _chargingStation: ChargingStation;
- private _timeToStop: boolean;
- private _performanceObserver: PerformanceObserver;
+ public started: boolean;
+ private chargingStation: ChargingStation;
+ private connectorsStartStatus: Record<number, boolean>;
+ private startDate!: Date;
+ private lastRunDate!: Date;
+ private stopDate!: Date;
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();
- });
- }
+ this.chargingStation = chargingStation;
+ this.connectorsStartStatus = {} as Record<number, boolean>;
+ this.stopConnectors();
+ this.started = false;
}
- get timeToStop(): boolean {
- return this._timeToStop;
+ public start(): void {
+ if (this.started) {
+ logger.error(`${this.logPrefix()} trying to start while already started`);
+ return;
+ }
+ const previousRunDuration = (this?.startDate && this?.lastRunDate) ? (this.lastRunDate.getTime() - this.startDate.getTime()) : 0;
+ this.startDate = new Date();
+ this.lastRunDate = this.startDate;
+ this.stopDate = new Date(this.startDate.getTime()
+ + (this.chargingStation.stationInfo?.AutomaticTransactionGenerator?.stopAfterHours ?? Constants.CHARGING_STATION_ATG_DEFAULT_STOP_AFTER_HOURS) * 3600 * 1000
+ - previousRunDuration);
+ this.startConnectors();
+ this.started = true;
+ logger.info(this.logPrefix() + ' started and will run for ' + Utils.formatDurationMilliSeconds(this.stopDate.getTime() - this.startDate.getTime()));
}
- _logPrefix(connectorId: number = null): string {
- if (connectorId) {
- return Utils.logPrefix(' ' + this._chargingStation.stationInfo.name + ' ATG on connector #' + connectorId + ':');
+ public stop(): void {
+ if (!this.started) {
+ logger.error(`${this.logPrefix()} trying to stop while not started`);
+ return;
}
- return Utils.logPrefix(' ' + this._chargingStation.stationInfo.name + ' ATG:');
+ this.stopConnectors();
+ this.started = false;
+ logger.info(`${this.logPrefix()} over and lasted for ${Utils.formatDurationMilliSeconds(this.lastRunDate.getTime() - this.startDate.getTime())}. Stopping all transactions`);
}
- 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);
- }
- for (const connector in this._chargingStation.connectors) {
- if (Utils.convertToInt(connector) > 0) {
- this.startConnector(Utils.convertToInt(connector));
+ private startConnectors(): void {
+ for (const connector in this.chargingStation.connectors) {
+ const connectorId = Utils.convertToInt(connector);
+ if (connectorId > 0) {
+ // Avoid hogging the event loop with a busy loop
+ setImmediate(() => {
+ this.startConnector(connectorId).catch(() => { /* This is intentional */ });
+ });
}
}
- logger.info(this._logPrefix() + ' ATG started and will stop in ' + Utils.secondstoHHMMSS(this._chargingStation.stationInfo.AutomaticTransactionGenerator.stopAfterHours * 3600));
}
- async stop(reason = ''): Promise<void> {
- 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 connector in this.chargingStation.connectors) {
+ const connectorId = Utils.convertToInt(connector);
+ if (connectorId > 0) {
+ this.stopConnector(connectorId);
}
}
- this._timeToStop = true;
}
- async startConnector(connectorId: number): Promise<void> {
- 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 startConnector(connectorId: number): Promise<void> {
+ logger.info(this.logPrefix(connectorId) + ' started on connector');
+ let skippedTransactions = 0;
+ let skippedTransactionsTotal = 0;
+ this.connectorsStartStatus[connectorId] = true;
+ while (this.connectorsStartStatus[connectorId]) {
+ if ((new Date()) > this.stopDate) {
+ this.stop();
+ break;
+ }
+ if (!this.chargingStation.isRegistered()) {
+ logger.error(this.logPrefix(connectorId) + ' Entered in transaction loop while the charging station is not registered');
+ break;
+ }
+ if (!this.chargingStation.isChargingStationAvailable()) {
+ logger.info(this.logPrefix(connectorId) + ' Entered in transaction loop while the charging station is unavailable');
+ this.stop();
+ break;
+ }
+ if (!this.chargingStation.isConnectorAvailable(connectorId)) {
+ logger.info(`${this.logPrefix(connectorId)} Entered in transaction loop while the connector ${connectorId} is unavailable, stop it`);
+ this.stopConnector(connectorId);
break;
}
- const start = Math.random();
- let skip = 0;
- if (start < this._chargingStation.stationInfo.AutomaticTransactionGenerator.probabilityOfStart) {
- skip = 0;
+ if (!this.chargingStation?.ocppRequestService) {
+ logger.info(`${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.chargingStation.stationInfo.AutomaticTransactionGenerator.maxDelayBetweenTwoTransactions,
+ this.chargingStation.stationInfo.AutomaticTransactionGenerator.minDelayBetweenTwoTransactions) * 1000;
+ logger.info(this.logPrefix(connectorId) + ' waiting for ' + Utils.formatDurationMilliSeconds(wait));
+ await Utils.sleep(wait);
+ const start = Utils.secureRandom();
+ if (start < this.chargingStation.stationInfo.AutomaticTransactionGenerator.probabilityOfStart) {
+ skippedTransactions = 0;
// Start transaction
- let startResponse;
- if (this._chargingStation.getEnableStatistics()) {
- const startTransaction = performance.timerify(this.startTransaction);
- this._performanceObserver.observe({ entryTypes: ['function'] });
- startResponse = await startTransaction(connectorId);
- } else {
- startResponse = await this.startTransaction(connectorId);
- }
- if (startResponse.idTagInfo.status !== 'Accepted') {
- logger.info(this._logPrefix(connectorId) + ' transaction rejected');
+ const startResponse = await this.startTransaction(connectorId);
+ if (startResponse?.idTagInfo?.status !== AuthorizationStatus.ACCEPTED) {
+ logger.warn(this.logPrefix(connectorId) + ' transaction rejected');
await Utils.sleep(Constants.CHARGING_STATION_ATG_WAIT_TIME);
} 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.chargingStation.stationInfo.AutomaticTransactionGenerator.maxDuration,
+ this.chargingStation.stationInfo.AutomaticTransactionGenerator.minDuration) * 1000;
+ logger.info(this.logPrefix(connectorId) + ' transaction ' + this.chargingStation.getConnector(connectorId).transactionId.toString() + ' will stop in ' + Utils.formatDurationMilliSeconds(waitTrxEnd));
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);
- } else {
- await this.stopTransaction(connectorId);
- }
- }
+ logger.info(this.logPrefix(connectorId) + ' stop transaction ' + this.chargingStation.getConnector(connectorId).transactionId.toString());
+ await this.stopTransaction(connectorId);
}
} else {
- skip++;
- logger.info(this._logPrefix(connectorId) + ' transaction skipped ' + skip);
+ skippedTransactions++;
+ skippedTransactionsTotal++;
+ logger.info(this.logPrefix(connectorId) + ' skipped transaction ' + skippedTransactions.toString() + '/' + skippedTransactionsTotal.toString());
+ }
+ this.lastRunDate = new Date();
+ }
+ await this.stopTransaction(connectorId);
+ logger.info(this.logPrefix(connectorId) + ' stopped on connector');
+ }
+
+ private stopConnector(connectorId: number): void {
+ this.connectorsStartStatus[connectorId] = false;
+ }
+
+ private async startTransaction(connectorId: number): Promise<StartTransactionResponse | AuthorizeResponse> {
+ const measureId = 'StartTransaction with ATG';
+ const beginId = PerformanceStatistics.beginMeasure(measureId);
+ let startResponse: StartTransactionResponse;
+ if (this.chargingStation.hasAuthorizedTags()) {
+ const idTag = this.chargingStation.getRandomIdTag();
+ if (this.chargingStation.getAutomaticTransactionGeneratorRequireAuthorize()) {
+ // Authorize idTag
+ const authorizeResponse = await this.chargingStation.ocppRequestService.sendAuthorize(connectorId, idTag);
+ if (authorizeResponse?.idTagInfo?.status === AuthorizationStatus.ACCEPTED) {
+ logger.info(this.logPrefix(connectorId) + ' start transaction for idTag ' + idTag);
+ // Start transaction
+ startResponse = await this.chargingStation.ocppRequestService.sendStartTransaction(connectorId, idTag);
+ PerformanceStatistics.endMeasure(measureId, beginId);
+ return startResponse;
+ }
+ PerformanceStatistics.endMeasure(measureId, beginId);
+ return authorizeResponse;
}
- } while (!this._timeToStop);
- logger.info(this._logPrefix(connectorId) + ' ATG STOPPED on the connector');
+ logger.info(this.logPrefix(connectorId) + ' start transaction for idTag ' + idTag);
+ // Start transaction
+ startResponse = await this.chargingStation.ocppRequestService.sendStartTransaction(connectorId, idTag);
+ PerformanceStatistics.endMeasure(measureId, beginId);
+ return startResponse;
+ }
+ logger.info(this.logPrefix(connectorId) + ' start transaction without an idTag');
+ startResponse = await this.chargingStation.ocppRequestService.sendStartTransaction(connectorId);
+ PerformanceStatistics.endMeasure(measureId, beginId);
+ return startResponse;
}
- async startTransaction(connectorId: number): Promise<unknown> {
- if (this._chargingStation.hasAuthorizedTags()) {
- const tagId = this._chargingStation.getRandomTagId();
- logger.info(this._logPrefix(connectorId) + ' start transaction for tagID ' + tagId);
- return this._chargingStation.sendStartTransaction(connectorId, tagId);
+ private async stopTransaction(connectorId: number, reason: StopTransactionReason = StopTransactionReason.NONE): Promise<StopTransactionResponse> {
+ const measureId = 'StopTransaction with ATG';
+ const beginId = PerformanceStatistics.beginMeasure(measureId);
+ let transactionId = 0;
+ let stopResponse: StopTransactionResponse;
+ if (this.chargingStation.getConnector(connectorId)?.transactionStarted) {
+ transactionId = this.chargingStation.getConnector(connectorId).transactionId;
+ stopResponse = await this.chargingStation.ocppRequestService.sendStopTransaction(transactionId,
+ this.chargingStation.getEnergyActiveImportRegisterByTransactionId(transactionId),
+ this.chargingStation.getTransactionIdTag(transactionId),
+ reason);
+ } else {
+ logger.warn(`${this.logPrefix(connectorId)} trying to stop a not started transaction${transactionId ? ' ' + transactionId.toString() : ''}`);
}
- logger.info(this._logPrefix(connectorId) + ' start transaction without a tagID');
- return this._chargingStation.sendStartTransaction(connectorId);
+ PerformanceStatistics.endMeasure(measureId, beginId);
+ return stopResponse;
}
- async stopTransaction(connectorId: number): Promise<void> {
- await this._chargingStation.sendStopTransaction(this._chargingStation.getConnector(connectorId).transactionId);
+ private logPrefix(connectorId?: number): string {
+ if (connectorId) {
+ return Utils.logPrefix(' ' + this.chargingStation.stationInfo.chargingStationId + ' | ATG on connector #' + connectorId.toString() + ':');
+ }
+ return Utils.logPrefix(' ' + this.chargingStation.stationInfo.chargingStationId + ' | ATG:');
}
}
repositories / e-mobility-charging-stations-simulator.git / blobdiff