// 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 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 logger from '../utils/Logger';
+import Utils from '../utils/Utils';
+import type ChargingStation from './ChargingStation';
export default class AutomaticTransactionGenerator {
+ private static readonly instances: Map<string, AutomaticTransactionGenerator> = new Map<
+ string,
+ AutomaticTransactionGenerator
+ >();
+
+ public readonly connectorsStatus: Map<number, Status>;
+ public readonly configuration: AutomaticTransactionGeneratorConfiguration;
public started: boolean;
- private chargingStation: ChargingStation;
- private connectorsStartStatus: Record<number, boolean>;
- private startDate!: Date;
- private lastRunDate!: Date;
- private stopDate!: Date;
+ private readonly chargingStation: ChargingStation;
- constructor(chargingStation: ChargingStation) {
+ private constructor(
+ automaticTransactionGeneratorConfiguration: AutomaticTransactionGeneratorConfiguration,
+ chargingStation: ChargingStation
+ ) {
+ this.configuration = automaticTransactionGeneratorConfiguration;
this.chargingStation = chargingStation;
- this.connectorsStartStatus = {} as Record<number, boolean>;
+ this.connectorsStatus = new Map<number, Status>();
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) {
- logger.error(`${this.logPrefix()} trying to start while already started`);
+ if (this.started === true) {
+ logger.warn(`${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 stop(): void {
- if (!this.started) {
- logger.error(`${this.logPrefix()} trying to stop while not started`);
+ if (this.started === false) {
+ logger.warn(`${this.logPrefix()} trying to stop while not started`);
return;
}
this.stopConnectors();
this.started = false;
- logger.info(`${this.logPrefix()} over and lasted for ${Utils.formatDurationMilliSeconds(this.lastRunDate.getTime() - this.startDate.getTime())}. Stopping all transactions`);
+ }
+
+ public startConnector(connectorId: number): void {
+ if (this.chargingStation.connectors.has(connectorId) === false) {
+ logger.warn(`${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`);
+ }
+ }
+
+ public stopConnector(connectorId: number): void {
+ this.connectorsStatus.set(connectorId, {
+ ...this.connectorsStatus.get(connectorId),
+ start: false,
+ });
}
private startConnectors(): void {
- for (const connector in this.chargingStation.connectors) {
- const connectorId = Utils.convertToInt(connector);
+ if (
+ this.connectorsStatus?.size > 0 &&
+ this.connectorsStatus.size !== this.chargingStation.getNumberOfConnectors()
+ ) {
+ this.connectorsStatus.clear();
+ }
+ for (const connectorId of this.chargingStation.connectors.keys()) {
if (connectorId > 0) {
- // Avoid hogging the event loop with a busy loop
- setImmediate(() => {
- this.startConnector(connectorId).catch(() => { /* This is intentional */ });
- });
+ this.startConnector(connectorId);
}
}
}
private stopConnectors(): void {
- for (const connector in this.chargingStation.connectors) {
- const connectorId = Utils.convertToInt(connector);
+ for (const connectorId of this.chargingStation.connectors.keys()) {
if (connectorId > 0) {
this.stopConnector(connectorId);
}
}
}
- 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();
+ private async internalStartConnector(connectorId: number): Promise<void> {
+ 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.isRegistered()) {
- logger.error(this.logPrefix(connectorId) + ' Entered in transaction loop while the charging station is not registered');
+ 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.stop();
+ logger.info(
+ this.logPrefix(connectorId) +
+ ' entered in transaction loop while the charging station is unavailable'
+ );
+ this.stopConnector(connectorId);
break;
}
if (!this.chargingStation.isConnectorAvailable(connectorId)) {
- logger.info(`${this.logPrefix(connectorId)} Entered in transaction loop while the connector ${connectorId} is unavailable, stop it`);
+ logger.info(
+ `${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`);
+ 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));
+ 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.chargingStation.stationInfo.AutomaticTransactionGenerator.probabilityOfStart) {
- skippedTransactions = 0;
+ if (start < this.configuration.probabilityOfStart) {
+ this.connectorsStatus.get(connectorId).skippedConsecutiveTransactions = 0;
// Start transaction
const startResponse = await this.startTransaction(connectorId);
+ this.connectorsStatus.get(connectorId).startTransactionRequests++;
if (startResponse?.idTagInfo?.status !== AuthorizationStatus.ACCEPTED) {
- logger.warn(this.logPrefix(connectorId) + ' transaction rejected');
- await Utils.sleep(Constants.CHARGING_STATION_ATG_WAIT_TIME);
+ logger.warn(this.logPrefix(connectorId) + ' start transaction rejected');
+ this.connectorsStatus.get(connectorId).rejectedStartTransactionRequests++;
} else {
// Wait until end of transaction
- 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));
+ 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
- logger.info(this.logPrefix(connectorId) + ' stop transaction ' + this.chargingStation.getConnector(connectorId).transactionId.toString());
+ logger.info(
+ this.logPrefix(connectorId) +
+ ' stop transaction ' +
+ this.chargingStation.getConnectorStatus(connectorId).transactionId.toString()
+ );
await this.stopTransaction(connectorId);
}
} else {
- skippedTransactions++;
- skippedTransactionsTotal++;
- logger.info(this.logPrefix(connectorId) + ' skipped transaction ' + skippedTransactions.toString() + '/' + skippedTransactionsTotal.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)'
+ );
}
- this.lastRunDate = new Date();
+ this.connectorsStatus.get(connectorId).lastRunDate = new Date();
}
await this.stopTransaction(connectorId);
- logger.info(this.logPrefix(connectorId) + ' stopped on connector');
+ 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)
+ );
}
- private stopConnector(connectorId: number): void {
- this.connectorsStartStatus[connectorId] = false;
+ 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).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<StartTransactionResponse | AuthorizeResponse> {
+ 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()) {
+ const startTransactionLogMsg = `${this.logPrefix(
+ connectorId
+ )} start transaction for idTag '${idTag}'`;
+ if (this.getRequireAuthorize()) {
+ this.chargingStation.getConnectorStatus(connectorId).authorizeIdTag = idTag;
// Authorize idTag
- const authorizeResponse = await this.chargingStation.ocppRequestService.sendAuthorize(connectorId, 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) {
- logger.info(this.logPrefix(connectorId) + ' start transaction for idTag ' + idTag);
+ this.connectorsStatus.get(connectorId).acceptedAuthorizeRequests++;
+ logger.info(startTransactionLogMsg);
// Start transaction
- startResponse = await this.chargingStation.ocppRequestService.sendStartTransaction(connectorId, idTag);
+ 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(this.logPrefix(connectorId) + ' start transaction for idTag ' + idTag);
+ logger.info(startTransactionLogMsg);
// Start transaction
- startResponse = await this.chargingStation.ocppRequestService.sendStartTransaction(connectorId, idTag);
+ startResponse = await this.chargingStation.ocppRequestService.requestHandler<
+ StartTransactionRequest,
+ StartTransactionResponse
+ >(this.chargingStation, RequestCommand.START_TRANSACTION, {
+ 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);
+ logger.info(`${this.logPrefix(connectorId)} start transaction without an idTag`);
+ startResponse = await this.chargingStation.ocppRequestService.requestHandler<
+ StartTransactionRequest,
+ StartTransactionResponse
+ >(this.chargingStation, RequestCommand.START_TRANSACTION, { connectorId });
PerformanceStatistics.endMeasure(measureId, beginId);
return startResponse;
}
- private async stopTransaction(connectorId: number, reason: StopTransactionReason = StopTransactionReason.NONE): Promise<StopTransactionResponse> {
+ private async stopTransaction(
+ connectorId: number,
+ reason: StopTransactionReason = StopTransactionReason.LOCAL
+ ): Promise<StopTransactionResponse> {
const measureId = 'StopTransaction with ATG';
const beginId = PerformanceStatistics.beginMeasure(measureId);
- let transactionId = 0;
let stopResponse: StopTransactionResponse;
- if (this.chargingStation.getConnector(connectorId)?.transactionStarted) {
- transactionId = this.chargingStation.getConnector(connectorId).transactionId;
- stopResponse = await this.chargingStation.ocppRequestService.sendStopTransaction(transactionId,
- this.chargingStation.getEnergyActiveImportRegisterByTransactionId(transactionId),
- this.chargingStation.getTransactionIdTag(transactionId),
- reason);
+ if (this.chargingStation.getConnectorStatus(connectorId)?.transactionStarted) {
+ stopResponse = await this.chargingStation.stopTransactionOnConnector(connectorId, reason);
+ this.connectorsStatus.get(connectorId).stopTransactionRequests++;
} else {
- logger.warn(`${this.logPrefix(connectorId)} trying to stop a not started transaction${transactionId ? ' ' + transactionId.toString() : ''}`);
+ const transactionId = this.chargingStation.getConnectorStatus(connectorId).transactionId;
+ logger.warn(
+ `${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;
+ }
+
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:');
+ return Utils.logPrefix(
+ ` ${this.chargingStation.stationInfo.chargingStationId} | ATG${
+ connectorId !== undefined ? ` on connector #${connectorId.toString()}` : ''
+ }:`
+ );
}
}
repositories / e-mobility-charging-stations-simulator.git / blobdiff