+// Partial Copyright Jerome Benoit. 2021. All Rights Reserved.
+
import { AuthorizationStatus, AuthorizeResponse, StartTransactionResponse, StopTransactionReason, StopTransactionResponse } from '../types/ocpp/Transaction';
-import { PerformanceObserver, performance } from 'perf_hooks';
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 {
- public timeToStop: boolean;
+ public started: boolean;
private chargingStation: ChargingStation;
- private performanceObserver!: PerformanceObserver;
+ 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.performanceStatistics.logPerformance(entry, Constants.ENTITY_AUTOMATIC_TRANSACTION_GENERATOR);
- this.performanceObserver.disconnect();
- });
+ this.connectorsStartStatus = {} as Record<number, boolean>;
+ this.stopConnectors();
+ this.started = false;
+ }
+
+ public start(): void {
+ if (this.started) {
+ logger.error(`${this.logPrefix()} trying to start while already started`);
+ return;
}
+ const previousRunDuration = (this?.startDate && this?.lastRunDate) ? (this.lastRunDate.getTime() - this.startDate.getTime()) : 0;
+ this.startDate = new Date();
+ this.lastRunDate = this.startDate;
+ this.stopDate = new Date(this.startDate.getTime()
+ + (this.chargingStation.stationInfo?.AutomaticTransactionGenerator?.stopAfterHours ?? Constants.CHARGING_STATION_ATG_DEFAULT_STOP_AFTER_HOURS) * 3600 * 1000
+ - previousRunDuration);
+ this.startConnectors();
+ this.started = true;
+ logger.info(this.logPrefix() + ' started and will run for ' + Utils.formatDurationMilliSeconds(this.stopDate.getTime() - this.startDate.getTime()));
}
- public async start(): Promise<void> {
- this.timeToStop = false;
- if (this.chargingStation.stationInfo.AutomaticTransactionGenerator.stopAfterHours &&
- this.chargingStation.stationInfo.AutomaticTransactionGenerator.stopAfterHours > 0) {
- // eslint-disable-next-line @typescript-eslint/no-misused-promises
- setTimeout(async (): Promise<void> => {
- await this.stop();
- }, this.chargingStation.stationInfo.AutomaticTransactionGenerator.stopAfterHours * 3600 * 1000);
+ public stop(): void {
+ if (!this.started) {
+ logger.error(`${this.logPrefix()} trying to stop while not started`);
+ return;
}
+ this.stopConnectors();
+ this.started = false;
+ logger.info(`${this.logPrefix()} over and lasted for ${Utils.formatDurationMilliSeconds(this.lastRunDate.getTime() - this.startDate.getTime())}. Stopping all transactions`);
+ }
+
+ private startConnectors(): void {
for (const connector in this.chargingStation.connectors) {
- if (Utils.convertToInt(connector) > 0) {
- await this.startConnector(Utils.convertToInt(connector));
+ 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));
}
- public async stop(reason: StopTransactionReason = StopTransactionReason.NONE): Promise<void> {
- logger.info(this.logPrefix() + ' ATG OVER => STOPPING ALL TRANSACTIONS');
+ private stopConnectors(): void {
for (const connector in this.chargingStation.connectors) {
- const transactionId = this.chargingStation.getConnector(Utils.convertToInt(connector)).transactionId;
- if (this.chargingStation.getConnector(Utils.convertToInt(connector)).transactionStarted) {
- logger.info(this.logPrefix(Utils.convertToInt(connector)) + ' ATG OVER. Stop transaction ' + transactionId.toString());
- await this.chargingStation.ocppRequestService.sendStopTransaction(transactionId, this.chargingStation.getTransactionMeterStop(transactionId),
- this.chargingStation.getTransactionIdTag(transactionId), reason);
+ const connectorId = Utils.convertToInt(connector);
+ if (connectorId > 0) {
+ this.stopConnector(connectorId);
}
}
- this.timeToStop = true;
}
private async startConnector(connectorId: number): Promise<void> {
- do {
- if (this.timeToStop) {
- logger.error(this.logPrefix(connectorId) + ' Entered in transaction loop while a request to stop it was made');
+ 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()) {
}
if (!this.chargingStation.isChargingStationAvailable()) {
logger.info(this.logPrefix(connectorId) + ' Entered in transaction loop while the charging station is unavailable');
- await this.stop();
+ 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;
}
if (!this.chargingStation?.ocppRequestService) {
await Utils.sleep(Constants.CHARGING_STATION_ATG_INITIALIZATION_TIME);
} while (!this.chargingStation?.ocppRequestService);
}
- const wait = Utils.getRandomInt(this.chargingStation.stationInfo.AutomaticTransactionGenerator.maxDelayBetweenTwoTransactions,
+ const wait = Utils.getRandomInteger(this.chargingStation.stationInfo.AutomaticTransactionGenerator.maxDelayBetweenTwoTransactions,
this.chargingStation.stationInfo.AutomaticTransactionGenerator.minDelayBetweenTwoTransactions) * 1000;
- logger.info(this.logPrefix(connectorId) + ' wait for ' + Utils.milliSecondsToHHMMSS(wait));
+ logger.info(this.logPrefix(connectorId) + ' waiting for ' + Utils.formatDurationMilliSeconds(wait));
await Utils.sleep(wait);
- const start = Math.random();
- let skip = 0;
+ const start = Utils.secureRandom();
if (start < this.chargingStation.stationInfo.AutomaticTransactionGenerator.probabilityOfStart) {
- skip = 0;
+ skippedTransactions = 0;
// Start transaction
- let startResponse: StartTransactionResponse | AuthorizeResponse;
- 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);
- }
+ 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,
+ 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.milliSecondsToHHMMSS(waitTrxEnd));
+ 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.toString());
- 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.getConnector(connectorId).transactionId.toString());
+ await this.stopTransaction(connectorId);
}
} else {
- skip++;
- logger.info(this.logPrefix(connectorId) + ' transaction skipped ' + skip.toString());
+ skippedTransactions++;
+ skippedTransactionsTotal++;
+ logger.info(this.logPrefix(connectorId) + ' skipped transaction ' + skippedTransactions.toString() + '/' + skippedTransactionsTotal.toString());
}
- } while (!this.timeToStop);
- logger.info(this.logPrefix(connectorId) + ' ATG STOPPED on the connector');
+ this.lastRunDate = new Date();
+ }
+ await this.stopTransaction(connectorId);
+ logger.info(this.logPrefix(connectorId) + ' stopped on connector');
}
- // eslint-disable-next-line consistent-this
- private async startTransaction(connectorId: number, self: AutomaticTransactionGenerator): Promise<StartTransactionResponse | AuthorizeResponse> {
- if (self.chargingStation.hasAuthorizedTags()) {
- const tagId = self.chargingStation.getRandomTagId();
- if (self.chargingStation.stationInfo.AutomaticTransactionGenerator.requireAuthorize) {
- // Authorize tagId
- const authorizeResponse = await self.chargingStation.ocppRequestService.sendAuthorize(tagId);
+ 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(self.logPrefix(connectorId) + ' start transaction for tagID ' + tagId);
+ logger.info(this.logPrefix(connectorId) + ' start transaction for idTag ' + idTag);
// Start transaction
- return await self.chargingStation.ocppRequestService.sendStartTransaction(connectorId, tagId);
+ startResponse = await this.chargingStation.ocppRequestService.sendStartTransaction(connectorId, idTag);
+ PerformanceStatistics.endMeasure(measureId, beginId);
+ return startResponse;
}
+ PerformanceStatistics.endMeasure(measureId, beginId);
return authorizeResponse;
}
- logger.info(self.logPrefix(connectorId) + ' start transaction for tagID ' + tagId);
+ logger.info(this.logPrefix(connectorId) + ' start transaction for idTag ' + idTag);
// Start transaction
- return await self.chargingStation.ocppRequestService.sendStartTransaction(connectorId, tagId);
+ startResponse = await this.chargingStation.ocppRequestService.sendStartTransaction(connectorId, idTag);
+ PerformanceStatistics.endMeasure(measureId, beginId);
+ return startResponse;
}
- logger.info(self.logPrefix(connectorId) + ' start transaction without a tagID');
- return await self.chargingStation.ocppRequestService.sendStartTransaction(connectorId);
+ logger.info(this.logPrefix(connectorId) + ' start transaction without an idTag');
+ startResponse = await this.chargingStation.ocppRequestService.sendStartTransaction(connectorId);
+ PerformanceStatistics.endMeasure(measureId, beginId);
+ return startResponse;
}
- // eslint-disable-next-line consistent-this
- private async stopTransaction(connectorId: number, self: AutomaticTransactionGenerator): Promise<StopTransactionResponse> {
- const transactionId = self.chargingStation.getConnector(connectorId).transactionId;
- return await self.chargingStation.ocppRequestService.sendStopTransaction(transactionId, self.chargingStation.getTransactionMeterStop(transactionId),
- self.chargingStation.getTransactionIdTag(transactionId));
+ 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() : ''}`);
+ }
+ PerformanceStatistics.endMeasure(measureId, beginId);
+ return stopResponse;
}
private logPrefix(connectorId?: number): string {
repositories / e-mobility-charging-stations-simulator.git / blobdiff