-// Partial Copyright Jerome Benoit. 2021. All Rights Reserved.
+// Partial Copyright Jerome Benoit. 2021-2023. All Rights Reserved.
-import BaseError from '../exception/BaseError';
-import PerformanceStatistics from '../performance/PerformanceStatistics';
-import type {
- AutomaticTransactionGeneratorConfiguration,
- Status,
-} from '../types/AutomaticTransactionGenerator';
-import { RequestCommand } from '../types/ocpp/Requests';
+import { AsyncResource } from 'node:async_hooks';
+
+import { type ChargingStation, ChargingStationUtils, IdTagsCache } from './internal';
+import { BaseError } from '../exception';
+// import { PerformanceStatistics } from '../performance';
+import { PerformanceStatistics } from '../performance/PerformanceStatistics';
import {
AuthorizationStatus,
type AuthorizeRequest,
type AuthorizeResponse,
+ type AutomaticTransactionGeneratorConfiguration,
+ ConnectorStatusEnum,
+ RequestCommand,
type StartTransactionRequest,
type StartTransactionResponse,
+ type Status,
StopTransactionReason,
type 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';
+} from '../types';
+import { Constants, Utils, logger } from '../utils';
+
+const moduleName = 'AutomaticTransactionGenerator';
-export default class AutomaticTransactionGenerator {
+export class AutomaticTransactionGenerator extends AsyncResource {
private static readonly instances: Map<string, AutomaticTransactionGenerator> = new Map<
string,
AutomaticTransactionGenerator
automaticTransactionGeneratorConfiguration: AutomaticTransactionGeneratorConfiguration,
chargingStation: ChargingStation
) {
+ super(moduleName);
this.started = false;
this.configuration = automaticTransactionGeneratorConfiguration;
this.chargingStation = chargingStation;
public static getInstance(
automaticTransactionGeneratorConfiguration: AutomaticTransactionGeneratorConfiguration,
chargingStation: ChargingStation
- ): AutomaticTransactionGenerator {
+ ): AutomaticTransactionGenerator | undefined {
if (AutomaticTransactionGenerator.instances.has(chargingStation.stationInfo.hashId) === false) {
AutomaticTransactionGenerator.instances.set(
chargingStation.stationInfo.hashId,
}
public start(): void {
+ if (
+ ChargingStationUtils.checkChargingStation(this.chargingStation, this.logPrefix()) === false
+ ) {
+ return;
+ }
if (this.started === true) {
logger.warn(`${this.logPrefix()} is already started`);
return;
}
public startConnector(connectorId: number): void {
+ if (
+ ChargingStationUtils.checkChargingStation(
+ this.chargingStation,
+ this.logPrefix(connectorId)
+ ) === false
+ ) {
+ return;
+ }
if (this.connectorsStatus.has(connectorId) === false) {
- logger.warn(`${this.logPrefix(connectorId)} starting on non existing connector`);
+ logger.error(`${this.logPrefix(connectorId)} starting on non existing connector`);
throw new BaseError(`Connector ${connectorId} does not exist`);
}
if (this.connectorsStatus.get(connectorId)?.start === false) {
- // Avoid hogging the event loop with a busy loop
- setImmediate(() => {
- this.internalStartConnector(connectorId).catch(() => {
- /* This is intentional */
- });
- });
+ this.runInAsyncScope(
+ this.internalStartConnector.bind(this) as (
+ this: AutomaticTransactionGenerator,
+ ...args: any[]
+ ) => Promise<void>,
+ this,
+ connectorId
+ ).catch(Constants.EMPTY_FUNCTION);
} else if (this.connectorsStatus.get(connectorId)?.start === true) {
logger.warn(`${this.logPrefix(connectorId)} is already started on connector`);
}
public stopConnector(connectorId: number): void {
if (this.connectorsStatus.has(connectorId) === false) {
- logger.warn(`${this.logPrefix(connectorId)} stopping on non existing connector`);
+ logger.error(`${this.logPrefix(connectorId)} stopping on non existing connector`);
throw new BaseError(`Connector ${connectorId} does not exist`);
}
if (this.connectorsStatus.get(connectorId)?.start === true) {
}
private async internalStartConnector(connectorId: number): Promise<void> {
- this.initializeConnectorStatus(connectorId);
- this.connectorsStatus.get(connectorId).start = true;
+ this.setStartConnectorStatus(connectorId);
logger.info(
- this.logPrefix(connectorId) +
- ' started on connector and will run for ' +
- Utils.formatDurationMilliSeconds(
- this.connectorsStatus.get(connectorId).stopDate.getTime() -
- this.connectorsStatus.get(connectorId).startDate.getTime()
- )
+ `${this.logPrefix(
+ connectorId
+ )} started on connector and will run for ${Utils.formatDurationMilliSeconds(
+ this.connectorsStatus.get(connectorId).stopDate.getTime() -
+ this.connectorsStatus.get(connectorId).startDate.getTime()
+ )}`
);
- while (this.connectorsStatus.get(connectorId).start === true) {
+ while (this.connectorsStatus.get(connectorId)?.start === true) {
if (new Date() > this.connectorsStatus.get(connectorId).stopDate) {
this.stopConnector(connectorId);
break;
}
- if (!this.chargingStation.isInAcceptedState()) {
+ if (this.chargingStation.isInAcceptedState() === false) {
logger.error(
- this.logPrefix(connectorId) +
- ' entered in transaction loop while the charging station is not in accepted state'
+ `${this.logPrefix(
+ connectorId
+ )} entered in transaction loop while the charging station is not in accepted state`
);
this.stopConnector(connectorId);
break;
}
- if (!this.chargingStation.isChargingStationAvailable()) {
+ if (this.chargingStation.isChargingStationAvailable() === false) {
logger.info(
- this.logPrefix(connectorId) +
- ' entered in transaction loop while the charging station is unavailable'
+ `${this.logPrefix(
+ connectorId
+ )} entered in transaction loop while the charging station is unavailable`
);
this.stopConnector(connectorId);
break;
}
- if (!this.chargingStation.isConnectorAvailable(connectorId)) {
+ if (this.chargingStation.isConnectorAvailable(connectorId) === false) {
logger.info(
`${this.logPrefix(
connectorId
this.stopConnector(connectorId);
break;
}
+ if (
+ this.chargingStation.getConnectorStatus(connectorId)?.status ===
+ ConnectorStatusEnum.Unavailable
+ ) {
+ logger.info(
+ `${this.logPrefix(
+ connectorId
+ )} entered in transaction loop while the connector ${connectorId} status is unavailable`
+ );
+ this.stopConnector(connectorId);
+ break;
+ }
if (!this.chargingStation?.ocppRequestService) {
logger.info(
`${this.logPrefix(
this.configuration.minDelayBetweenTwoTransactions
) * 1000;
logger.info(
- this.logPrefix(connectorId) + ' waiting for ' + Utils.formatDurationMilliSeconds(wait)
+ `${this.logPrefix(connectorId)} waiting for ${Utils.formatDurationMilliSeconds(wait)}`
);
await Utils.sleep(wait);
const start = Utils.secureRandom();
Utils.getRandomInteger(this.configuration.maxDuration, this.configuration.minDuration) *
1000;
logger.info(
- this.logPrefix(connectorId) +
- ' transaction ' +
- this.chargingStation.getConnectorStatus(connectorId).transactionId.toString() +
- ' started and will stop in ' +
- Utils.formatDurationMilliSeconds(waitTrxEnd)
+ `${this.logPrefix(connectorId)} transaction ${this.chargingStation
+ .getConnectorStatus(connectorId)
+ ?.transactionId?.toString()} started and will stop in ${Utils.formatDurationMilliSeconds(
+ waitTrxEnd
+ )}`
);
await Utils.sleep(waitTrxEnd);
// Stop transaction
logger.info(
- this.logPrefix(connectorId) +
- ' stop transaction ' +
- this.chargingStation.getConnectorStatus(connectorId).transactionId.toString()
+ `${this.logPrefix(connectorId)} stop transaction ${this.chargingStation
+ .getConnectorStatus(connectorId)
+ ?.transactionId?.toString()}`
);
await this.stopTransaction(connectorId);
}
this.connectorsStatus.get(connectorId).skippedConsecutiveTransactions++;
this.connectorsStatus.get(connectorId).skippedTransactions++;
logger.info(
- this.logPrefix(connectorId) +
- ' skipped consecutively ' +
- this.connectorsStatus.get(connectorId).skippedConsecutiveTransactions.toString() +
- '/' +
- this.connectorsStatus.get(connectorId).skippedTransactions.toString() +
- ' transaction(s)'
+ `${this.logPrefix(connectorId)} skipped consecutively ${this.connectorsStatus
+ .get(connectorId)
+ ?.skippedConsecutiveTransactions?.toString()}/${this.connectorsStatus
+ .get(connectorId)
+ ?.skippedTransactions?.toString()} transaction(s)`
);
}
this.connectorsStatus.get(connectorId).lastRunDate = new Date();
}
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()
- )
+ `${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`,
);
}
- 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).acceptedStopTransactionRequests =
- this?.connectorsStatus.get(connectorId)?.acceptedStopTransactionRequests ?? 0;
- this.connectorsStatus.get(connectorId).rejectedStopTransactionRequests =
- this?.connectorsStatus.get(connectorId)?.rejectedStopTransactionRequests ?? 0;
+ private setStartConnectorStatus(connectorId: number): void {
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)?.startDate &&
+ this.connectorsStatus.get(connectorId)?.lastRunDate
? this.connectorsStatus.get(connectorId).lastRunDate.getTime() -
this.connectorsStatus.get(connectorId).startDate.getTime()
: 0;
1000 -
previousRunDuration
);
- this.connectorsStatus.get(connectorId).start =
- this?.connectorsStatus.get(connectorId)?.start ?? false;
+ this.connectorsStatus.get(connectorId).start = true;
}
private initializeConnectorsStatus(): void {
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.hasIdTags()) {
+ const idTag = IdTagsCache.getInstance().getIdTag(
+ this.configuration?.idTagDistribution,
+ this.chargingStation,
+ connectorId
+ );
const startTransactionLogMsg = `${this.logPrefix(
connectorId
)} start transaction with an idTag '${idTag}'`;
this.connectorsStatus.get(connectorId).rejectedStopTransactionRequests++;
}
} else {
- const transactionId = this.chargingStation.getConnectorStatus(connectorId).transactionId;
+ const transactionId = this.chargingStation.getConnectorStatus(connectorId)?.transactionId;
logger.warn(
`${this.logPrefix(connectorId)} stopping a not started transaction${
- transactionId ? ' ' + transactionId.toString() : ''
+ !Utils.isNullOrUndefined(transactionId) ? ` ${transactionId?.toString()}` : ''
}`
);
}
return this.configuration?.requireAuthorize ?? true;
}
- private logPrefix(connectorId?: number): string {
+ private logPrefix = (connectorId?: number): string => {
return Utils.logPrefix(
` ${this.chargingStation.stationInfo.chargingStationId} | ATG${
- connectorId !== undefined ? ` on connector #${connectorId.toString()}` : ''
+ !Utils.isNullOrUndefined(connectorId) ? ` on connector #${connectorId.toString()}` : ''
}:`
);
- }
+ };
private handleStartTransactionResponse(
connectorId: number,
if (startResponse?.idTagInfo?.status === AuthorizationStatus.ACCEPTED) {
this.connectorsStatus.get(connectorId).acceptedStartTransactionRequests++;
} else {
- logger.warn(this.logPrefix(connectorId) + ' start transaction rejected');
+ logger.warn(`${this.logPrefix(connectorId)} start transaction rejected`);
this.connectorsStatus.get(connectorId).rejectedStartTransactionRequests++;
}
}