+// Partial Copyright Jerome Benoit. 2021. All Rights Reserved.
+
+import { ChargingStationWorkerData, ChargingStationWorkerMessage, ChargingStationWorkerMessageEvents } from '../types/ChargingStationWorker';
+
import Configuration from '../utils/Configuration';
-import { StationWorkerData } from '../types/Worker';
+import { Storage } from '../performance/storage/Storage';
+import { StorageFactory } from '../performance/storage/StorageFactory';
+import { UIServiceUtils } from './ui-websocket-services/UIServiceUtils';
+import UIWebSocketServer from './UIWebSocketServer';
import Utils from '../utils/Utils';
+import WorkerAbstract from '../worker/WorkerAbstract';
import WorkerFactory from '../worker/WorkerFactory';
-import Wrk from '../worker/Wrk';
+import chalk from 'chalk';
import { isMainThread } from 'worker_threads';
+import path from 'path';
+import { version } from '../../package.json';
export default class Bootstrap {
- private static instance: Bootstrap;
+ private static instance: Bootstrap | null = null;
+ private workerImplementation: WorkerAbstract | null = null;
+ private readonly uiWebSocketServer!: UIWebSocketServer;
+ private readonly storage!: Storage;
+ private numberOfChargingStations: number;
+ private readonly version: string = version;
private started: boolean;
- private workerScript: string;
- private workerImplementationInstance: Wrk;
+ private readonly workerScript: string;
private constructor() {
this.started = false;
- this.workerScript = './dist/charging-station/StationWorker.js';
+ this.workerScript = path.join(path.resolve(__dirname, '../'), 'charging-station', 'ChargingStationWorker.js');
+ this.initWorkerImplementation();
+ Configuration.getUIWebSocketServer().enabled && (this.uiWebSocketServer = new UIWebSocketServer({
+ ...Configuration.getUIWebSocketServer().options, handleProtocols: UIServiceUtils.handleProtocols
+ }));
+ Configuration.getPerformanceStorage().enabled && (this.storage = StorageFactory.getStorage(
+ Configuration.getPerformanceStorage().type,
+ Configuration.getPerformanceStorage().uri,
+ this.logPrefix()
+ ));
+ Configuration.setConfigurationChangeCallback(async () => Bootstrap.getInstance().restart());
}
public static getInstance(): Bootstrap {
public async start(): Promise<void> {
if (isMainThread && !this.started) {
try {
- let numStationsTotal = 0;
- await this.getWorkerImplementationInstance().start();
+ this.numberOfChargingStations = 0;
+ await this.storage?.open();
+ await this.workerImplementation.start();
+ this.uiWebSocketServer?.start();
+ const stationTemplateUrls = Configuration.getStationTemplateUrls();
// Start ChargingStation object in worker thread
- if (Configuration.getStationTemplateURLs()) {
- for (const stationURL of Configuration.getStationTemplateURLs()) {
+ if (stationTemplateUrls) {
+ for (const stationTemplateUrl of stationTemplateUrls) {
try {
- const nbStations = stationURL.numberOfStations ? stationURL.numberOfStations : 0;
+ const nbStations = stationTemplateUrl.numberOfStations ?? 0;
for (let index = 1; index <= nbStations; index++) {
- const workerData: StationWorkerData = {
+ const workerData: ChargingStationWorkerData = {
index,
- templateFile: stationURL.file
+ templateFile: path.join(path.resolve(__dirname, '../'), 'assets', 'station-templates', path.basename(stationTemplateUrl.file))
};
- await this.getWorkerImplementationInstance().addElement(workerData);
- numStationsTotal++;
+ await this.workerImplementation.addElement(workerData);
+ this.numberOfChargingStations++;
}
} catch (error) {
- // eslint-disable-next-line no-console
- console.error('Charging station start with template file ' + stationURL.file + ' error ', error);
+ console.error(chalk.red('Charging station start with template file ' + stationTemplateUrl.file + ' error '), error);
}
}
} else {
- console.log('No stationTemplateURLs defined in configuration, exiting');
+ console.warn(chalk.yellow('No stationTemplateUrls defined in configuration, exiting'));
}
- if (numStationsTotal === 0) {
- console.log('No charging station template enabled in configuration, exiting');
+ if (this.numberOfChargingStations === 0) {
+ console.warn(chalk.yellow('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(chalk.green(`Charging stations simulator ${this.version} started with ${this.numberOfChargingStations.toString()} charging station(s) and ${Utils.workerDynamicPoolInUse() ? `${Configuration.getWorkerPoolMinSize().toString()}/` : ''}${this.workerImplementation.size}${Utils.workerPoolInUse() ? `/${Configuration.getWorkerPoolMaxSize().toString()}` : ''} worker(s) concurrently running in '${Configuration.getWorkerProcess()}' mode${this.workerImplementation.maxElementsPerWorker ? ` (${this.workerImplementation.maxElementsPerWorker} charging station(s) per worker)` : ''}`));
}
this.started = true;
} catch (error) {
- // eslint-disable-next-line no-console
- console.error('Bootstrap start error ', error);
+ console.error(chalk.red('Bootstrap start error '), error);
}
+ } else {
+ console.error(chalk.red('Cannot start an already started charging stations simulator'));
}
}
public async stop(): Promise<void> {
if (isMainThread && this.started) {
- if (this.getWorkerImplementationInstance()) {
- await this.getWorkerImplementationInstance().stop();
- // Nullify to force worker implementation instance creation
- this.workerImplementationInstance = null;
- }
+ await this.workerImplementation.stop();
+ this.uiWebSocketServer?.stop();
+ await this.storage?.close();
+ } else {
+ console.error(chalk.red('Trying to stop the charging stations simulator while not started'));
}
this.started = false;
}
public async restart(): Promise<void> {
await this.stop();
+ this.initWorkerImplementation();
await this.start();
}
- private getWorkerImplementationInstance(): Wrk {
- if (!this.workerImplementationInstance) {
- this.workerImplementationInstance = WorkerFactory.getWorkerImplementation<StationWorkerData>(this.workerScript, Configuration.getWorkerProcess(), {
+ private initWorkerImplementation(): void {
+ this.workerImplementation = WorkerFactory.getWorkerImplementation<ChargingStationWorkerData>(this.workerScript, Configuration.getWorkerProcess(),
+ {
+ startDelay: Configuration.getWorkerStartDelay(),
poolMaxSize: Configuration.getWorkerPoolMaxSize(),
poolMinSize: Configuration.getWorkerPoolMinSize(),
- elementsPerWorker: Configuration.getChargingStationsPerWorker()
+ elementsPerWorker: Configuration.getChargingStationsPerWorker(),
+ poolOptions: {
+ workerChoiceStrategy: Configuration.getWorkerPoolStrategy()
+ },
+ messageHandler: async (msg: ChargingStationWorkerMessage) => {
+ if (msg.id === ChargingStationWorkerMessageEvents.STARTED) {
+ this.uiWebSocketServer.chargingStations.add(msg.data.id);
+ } else if (msg.id === ChargingStationWorkerMessageEvents.STOPPED) {
+ this.uiWebSocketServer.chargingStations.delete(msg.data.id);
+ } else if (msg.id === ChargingStationWorkerMessageEvents.PERFORMANCE_STATISTICS) {
+ await this.storage.storePerformanceStatistics(msg.data);
+ }
+ }
});
- }
- return this.workerImplementationInstance;
+ }
+
+ private logPrefix(): string {
+ return Utils.logPrefix(' Bootstrap |');
}
}
repositories / e-mobility-charging-stations-simulator.git / blobdiff