+// 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 '../utils/PerformanceStatistics';
import Utils from '../utils/Utils';
import logger from '../utils/Logger';
export default class AutomaticTransactionGenerator {
public timeToStop: boolean;
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.performanceStatistics.logPerformance(entry, Constants.ENTITY_AUTOMATIC_TRANSACTION_GENERATOR);
- this.performanceObserver.disconnect();
- });
- }
}
public async start(): Promise<void> {
const start = Math.random();
let skip = 0;
if (start < this.chargingStation.stationInfo.AutomaticTransactionGenerator.probabilityOfStart) {
- skip = 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);
// 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);
- }
+ await this.stopTransaction(connectorId);
}
}
} else {
}
// 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.getAutomaticTransactionGeneratorRequireAuthorize()) {
+ 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.ocppRequestService.sendAuthorize(connectorId, 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.ocppRequestService.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.ocppRequestService.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.ocppRequestService.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> {
- const transactionId = self.chargingStation.getConnector(connectorId).transactionId;
- return await self.chargingStation.ocppRequestService.sendStopTransaction(transactionId, self.chargingStation.getEnergyActiveImportRegisterByTransactionId(transactionId),
- self.chargingStation.getTransactionIdTag(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 {