-import { AuthorizationStatus, AuthorizeResponse, StartTransactionResponse, StopTransactionReason, StopTransactionResponse } from '../types/ocpp/1.6/Transaction';
-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 {
public timeToStop: boolean;
+ private startDate!: Date;
+ private stopDate!: Date;
+ private runningDuration!: number;
private chargingStation: ChargingStation;
- 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, Constants.ENTITY_AUTOMATIC_TRANSACTION_GENERATOR);
- this.performanceObserver.disconnect();
- });
- }
- }
-
- _logPrefix(connectorId: number = null): string {
- if (connectorId) {
- return Utils.logPrefix(' ' + this.chargingStation.stationInfo.chargingStationId + ' ATG on connector #' + connectorId.toString() + ':');
- }
- return Utils.logPrefix(' ' + this.chargingStation.stationInfo.chargingStationId + ' ATG:');
}
- start(): void {
+ public start(): void {
+ this.startDate = new Date();
+ this.stopDate = new Date(this.startDate.getTime()
+ + (this.chargingStation.stationInfo?.AutomaticTransactionGenerator?.stopAfterHours ?? Constants.CHARGING_STATION_ATG_DEFAULT_STOP_AFTER_HOURS) * 3600 * 1000
+ - (this.runningDuration ?? 0));
this.timeToStop = false;
- if (this.chargingStation.stationInfo.AutomaticTransactionGenerator.stopAfterHours &&
- this.chargingStation.stationInfo.AutomaticTransactionGenerator.stopAfterHours > 0) {
- setTimeout(() => {
- void this.stop();
- }, this.chargingStation.stationInfo.AutomaticTransactionGenerator.stopAfterHours * 3600 * 1000);
- }
for (const connector in this.chargingStation.connectors) {
if (Utils.convertToInt(connector) > 0) {
- void this.startConnector(Utils.convertToInt(connector));
+ // Avoid hogging the event loop with a busy loop
+ setImmediate(() => {
+ this.startOnConnector(Utils.convertToInt(connector)).catch(() => { /* This is intentional */ });
+ });
}
}
- logger.info(this._logPrefix() + ' ATG started and will stop in ' + Utils.secondsToHHMMSS(this.chargingStation.stationInfo.AutomaticTransactionGenerator.stopAfterHours * 3600));
+ logger.info(this.logPrefix() + ' started and will run for ' + Utils.formatDurationMilliSeconds(this.stopDate.getTime() - this.startDate.getTime()));
}
- async stop(reason: StopTransactionReason = StopTransactionReason.NONE): Promise<void> {
- logger.info(this._logPrefix() + ' ATG OVER => STOPPING ALL TRANSACTIONS');
+ public async stop(reason: StopTransactionReason = StopTransactionReason.NONE): Promise<void> {
+ logger.info(`${this.logPrefix()} over and lasted for ${Utils.formatDurationMilliSeconds(this.runningDuration ?? 0)}. Stopping all transactions`);
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 ' + this.chargingStation.getConnector(Utils.convertToInt(connector)).transactionId.toString());
- await this.chargingStation.sendStopTransaction(this.chargingStation.getConnector(Utils.convertToInt(connector)).transactionId, reason);
+ logger.info(this.logPrefix(Utils.convertToInt(connector)) + ' over. Stop transaction ' + transactionId.toString());
+ await this.chargingStation.ocppRequestService.sendStopTransaction(transactionId, this.chargingStation.getEnergyActiveImportRegisterByTransactionId(transactionId),
+ this.chargingStation.getTransactionIdTag(transactionId), reason);
}
}
this.timeToStop = true;
}
- 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');
+ private async startOnConnector(connectorId: number): Promise<void> {
+ logger.info(this.logPrefix(connectorId) + ' started on connector');
+ let transactionSkip = 0;
+ let totalTransactionSkip = 0;
+ while (!this.timeToStop) {
+ if ((new Date()) > this.stopDate) {
+ await this.stop();
break;
}
- if (!this.chargingStation._isRegistered()) {
- logger.error(this._logPrefix(connectorId) + ' Entered in transaction loop while the charging station is not registered');
+ 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');
+ if (!this.chargingStation.isChargingStationAvailable()) {
+ logger.info(this.logPrefix(connectorId) + ' Entered in transaction loop while the charging station is unavailable');
await this.stop();
break;
}
- if (!this.chargingStation._isConnectorAvailable(connectorId)) {
- logger.info(`${this._logPrefix(connectorId)} Entered in transaction loop while the connector ${connectorId} is unavailable, stop it`);
+ if (!this.chargingStation.isConnectorAvailable(connectorId)) {
+ logger.info(`${this.logPrefix(connectorId)} Entered in transaction loop while the connector ${connectorId} is unavailable, stop it`);
break;
}
+ if (!this.chargingStation?.ocppRequestService) {
+ logger.info(`${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.getRandomInt(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;
+ transactionSkip = 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.info(this._logPrefix(connectorId) + ' transaction rejected');
+ 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.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());
+ transactionSkip++;
+ totalTransactionSkip++;
+ logger.info(this.logPrefix(connectorId) + ' skipped transaction ' + transactionSkip.toString() + '/' + totalTransactionSkip.toString());
}
- } while (!this.timeToStop);
- logger.info(this._logPrefix(connectorId) + ' ATG STOPPED on the connector');
+ this.runningDuration = (new Date()).getTime() - this.startDate.getTime();
+ }
+ 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) {
+ 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 tagId = this.chargingStation.getRandomTagId();
+ if (this.chargingStation.getAutomaticTransactionGeneratorRequireAuthorize()) {
// Authorize tagId
- const authorizeResponse = await self.chargingStation.sendAuthorize(tagId);
+ const authorizeResponse = await this.chargingStation.ocppRequestService.sendAuthorize(connectorId, tagId);
if (authorizeResponse?.idTagInfo?.status === AuthorizationStatus.ACCEPTED) {
- logger.info(self._logPrefix(connectorId) + ' start transaction for tagID ' + tagId);
+ logger.info(this.logPrefix(connectorId) + ' start transaction for tagID ' + tagId);
// Start transaction
- return await self.chargingStation.sendStartTransaction(connectorId, tagId);
+ startResponse = await this.chargingStation.ocppRequestService.sendStartTransaction(connectorId, tagId);
+ 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 tagID ' + tagId);
// Start transaction
- return await self.chargingStation.sendStartTransaction(connectorId, tagId);
+ startResponse = await this.chargingStation.ocppRequestService.sendStartTransaction(connectorId, tagId);
+ 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 a tagID');
+ 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> {
- return await self.chargingStation.sendStopTransaction(self.chargingStation.getConnector(connectorId).transactionId);
+ private async stopTransaction(connectorId: number): Promise<StopTransactionResponse> {
+ const measureId = 'StopTransaction with ATG';
+ const beginId = PerformanceStatistics.beginMeasure(measureId);
+ const transactionId = this.chargingStation.getConnector(connectorId).transactionId;
+ const stopResponse = this.chargingStation.ocppRequestService.sendStopTransaction(transactionId,
+ this.chargingStation.getEnergyActiveImportRegisterByTransactionId(transactionId), this.chargingStation.getTransactionIdTag(transactionId));
+ PerformanceStatistics.endMeasure(measureId, beginId);
+ return stopResponse;
+ }
+
+ 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:');
}
}