import Configuration from '../utils/Configuration';
import { StationWorkerData } from '../types/Worker';
import Utils from '../utils/Utils';
+import WorkerAbstract from '../worker/WorkerAbstract';
import WorkerFactory from '../worker/WorkerFactory';
-import Wrk from '../worker/Wrk';
import { isMainThread } from 'worker_threads';
+import path from 'path';
+import { version } from '../../package.json';
export default class Bootstrap {
private static instance: Bootstrap;
+ private version: string = version ;
private started: boolean;
private workerScript: string;
- private workerImplementationInstance: Wrk;
+ private workerImplementationInstance: WorkerAbstract | null = null;
private constructor() {
this.started = false;
- this.workerScript = './dist/charging-station/StationWorker.js';
+ this.workerScript = path.join(path.resolve(__dirname, '../'), 'charging-station', 'StationWorker.js');
+ Configuration.setConfigurationChangeCallback(async () => this.restart());
}
public static getInstance(): Bootstrap {
if (isMainThread && !this.started) {
try {
let numStationsTotal = 0;
- await this.getWorkerImplementationInstance().start();
+ await this.getWorkerImplementationInstance()?.start();
// Start ChargingStation object in worker thread
if (Configuration.getStationTemplateURLs()) {
for (const stationURL of Configuration.getStationTemplateURLs()) {
for (let index = 1; index <= nbStations; index++) {
const workerData: StationWorkerData = {
index,
- templateFile: stationURL.file
+ templateFile: path.join(path.resolve(__dirname, '../'), 'assets', 'station-templates', path.basename(stationURL.file))
};
- await this.getWorkerImplementationInstance().addElement(workerData);
+ await this.getWorkerImplementationInstance()?.addElement(workerData);
numStationsTotal++;
}
} catch (error) {
- // eslint-disable-next-line no-console
console.error('Charging station start with template file ' + stationURL.file + ' error ', error);
}
}
if (numStationsTotal === 0) {
console.log('No charging station template enabled in configuration, exiting');
} else {
- console.log(`Charging station simulator started with ${numStationsTotal.toString()} charging station(s) and ${Utils.workerDynamicPoolInUse() ? `${Configuration.getWorkerPoolMinSize().toString()}/` : ''}${this.getWorkerImplementationInstance().size}${Utils.workerPoolInUse() ? `/${Configuration.getWorkerPoolMaxSize().toString()}` : ''} worker(s) concurrently running in '${Configuration.getWorkerProcess()}' mode (${this.getWorkerImplementationInstance().maxElementsPerWorker} charging station(s) per worker)`);
+ console.log(`Charging station simulator ${this.version} started with ${numStationsTotal.toString()} charging station(s) and ${Utils.workerDynamicPoolInUse() ? `${Configuration.getWorkerPoolMinSize().toString()}/` : ''}${this.getWorkerImplementationInstance().size}${Utils.workerPoolInUse() ? `/${Configuration.getWorkerPoolMaxSize().toString()}` : ''} worker(s) concurrently running in '${Configuration.getWorkerProcess()}' mode${this.getWorkerImplementationInstance().maxElementsPerWorker ? ` (${this.getWorkerImplementationInstance().maxElementsPerWorker} charging station(s) per worker)` : ''}`);
}
this.started = true;
} catch (error) {
- // eslint-disable-next-line no-console
console.error('Bootstrap start error ', error);
}
}
public async stop(): Promise<void> {
if (isMainThread && this.started) {
- await this.getWorkerImplementationInstance().stop();
- if (this.getWorkerImplementationInstance()) {
- // Nullify to force worker implementation instance creation
- this.workerImplementationInstance = null;
- }
+ await this.getWorkerImplementationInstance()?.stop();
+ // Nullify to force worker implementation instance creation
+ this.workerImplementationInstance = null;
}
this.started = false;
}
await this.start();
}
- private getWorkerImplementationInstance(): Wrk {
+ private getWorkerImplementationInstance(): WorkerAbstract | null {
if (!this.workerImplementationInstance) {
- this.workerImplementationInstance = WorkerFactory.getWorkerImplementation<StationWorkerData>(this.workerScript, Configuration.getWorkerProcess(), {
- poolMaxSize: Configuration.getWorkerPoolMaxSize(),
- poolMinSize: Configuration.getWorkerPoolMinSize(),
- elementsPerWorker: Configuration.getChargingStationsPerWorker()
- });
+ this.workerImplementationInstance = WorkerFactory.getWorkerImplementation<StationWorkerData>(this.workerScript, Configuration.getWorkerProcess(),
+ {
+ startDelay: Configuration.getWorkerStartDelay(),
+ poolMaxSize: Configuration.getWorkerPoolMaxSize(),
+ poolMinSize: Configuration.getWorkerPoolMinSize(),
+ elementsPerWorker: Configuration.getChargingStationsPerWorker(),
+ poolOptions: {
+ workerChoiceStrategy: Configuration.getWorkerPoolStrategy()
+ }
+ });
}
return this.workerImplementationInstance;
}