import path from 'path';
import { fileURLToPath } from 'url';
-import { isMainThread } from 'worker_threads';
+import { type Worker, isMainThread } from 'worker_threads';
import chalk from 'chalk';
ChargingStationWorkerMessageEvents,
} from '../types/ChargingStationWorker';
import type { StationTemplateUrl } from '../types/ConfigurationData';
-import type Statistics from '../types/Statistics';
+import type { Statistics } from '../types/Statistics';
import Configuration from '../utils/Configuration';
import logger from '../utils/Logger';
import Utils from '../utils/Utils';
const moduleName = 'Bootstrap';
-const missingChargingStationsConfigurationExitCode = 1;
-const noChargingStationTemplatesExitCode = 2;
+enum exitCodes {
+ missingChargingStationsConfiguration = 1,
+ noChargingStationTemplates = 2,
+}
export class Bootstrap {
private static instance: Bootstrap | null = null;
- private workerImplementation: WorkerAbstract<ChargingStationWorkerData> | null = null;
+ private workerImplementation: WorkerAbstract<ChargingStationWorkerData> | null;
private readonly uiServer!: AbstractUIServer;
private readonly storage!: Storage;
private numberOfChargingStationTemplates!: number;
private constructor() {
this.started = false;
+ this.workerImplementation = null;
this.workerScript = path.join(
path.resolve(path.dirname(fileURLToPath(import.meta.url)), '../'),
'charging-station',
public async start(): Promise<void> {
if (isMainThread && this.started === false) {
try {
+ // Enable unconditionally for now
+ this.logUnhandledRejection();
+ this.logUncaughtException();
this.initialize();
await this.storage?.open();
await this.workerImplementation.start();
console.warn(
chalk.yellow("'stationTemplateUrls' not defined or empty in configuration, exiting")
);
- process.exit(missingChargingStationsConfigurationExitCode);
+ process.exit(exitCodes.missingChargingStationsConfiguration);
}
if (this.numberOfChargingStations === 0) {
console.warn(
chalk.yellow('No charging station template enabled in configuration, exiting')
);
- process.exit(noChargingStationTemplatesExitCode);
+ process.exit(exitCodes.noChargingStationTemplates);
} else {
console.info(
chalk.green(
this.workerImplementation = null;
this.uiServer?.stop();
await this.storage?.close();
+ this.started = false;
} else {
- console.error(chalk.red('Trying to stop the charging stations simulator while not started'));
+ console.error(chalk.red('Cannot stop a not started charging stations simulator'));
}
- this.started = false;
}
public async restart(): Promise<void> {
workerChoiceStrategy: Configuration.getWorker().poolStrategy,
},
messageHandler: this.messageHandler.bind(this) as (
+ this: Worker,
msg: ChargingStationWorkerMessage<ChargingStationWorkerMessageData>
) => void,
}
private workerEventStarted = (data: ChargingStationData) => {
this.uiServer?.chargingStations.set(data.stationInfo.hashId, data);
++this.numberOfStartedChargingStations;
+ logger.info(
+ `${this.logPrefix()} ${moduleName}.workerEventStarted: Charging station ${
+ data.stationInfo.chargingStationId
+ } (hashId: ${data.stationInfo.hashId}) started (${
+ this.numberOfStartedChargingStations
+ } started from ${this.numberOfChargingStations})`
+ );
};
private workerEventStopped = (data: ChargingStationData) => {
this.uiServer?.chargingStations.set(data.stationInfo.hashId, data);
--this.numberOfStartedChargingStations;
+ logger.info(
+ `${this.logPrefix()} ${moduleName}.workerEventStopped: Charging station ${
+ data.stationInfo.chargingStationId
+ } (hashId: ${data.stationInfo.hashId}) stopped (${
+ this.numberOfStartedChargingStations
+ } started from ${this.numberOfChargingStations})`
+ );
};
private workerEventUpdated = (data: ChargingStationData) => {
this.initializeWorkerImplementation();
}
+ private logUncaughtException(): void {
+ process.on('uncaughtException', (error: Error) => {
+ console.error(chalk.red('Uncaught exception: '), error);
+ });
+ }
+
+ private logUnhandledRejection(): void {
+ process.on('unhandledRejection', (reason: unknown) => {
+ console.error(chalk.red('Unhandled rejection: '), reason);
+ });
+ }
+
private async startChargingStation(
index: number,
stationTemplateUrl: StationTemplateUrl