// Partial Copyright Jerome Benoit. 2021. All Rights Reserved.
-import { ChargingStationWorkerData, ChargingStationWorkerMessage, ChargingStationWorkerMessageEvents } from '../types/ChargingStationWorker';
+import path from 'path';
+import { fileURLToPath } from 'url';
+import { isMainThread } from 'worker_threads';
-import Configuration from '../utils/Configuration';
+import chalk from 'chalk';
+
+import { version } from '../../package.json';
import { Storage } from '../performance/storage/Storage';
import { StorageFactory } from '../performance/storage/StorageFactory';
+import {
+ ChargingStationWorkerData,
+ ChargingStationWorkerMessage,
+ ChargingStationWorkerMessageEvents,
+} from '../types/ChargingStationWorker';
+import { StationTemplateUrl } from '../types/ConfigurationData';
+import Statistics from '../types/Statistics';
+import { ApplicationProtocol } from '../types/UIProtocol';
+import Configuration from '../utils/Configuration';
import Utils from '../utils/Utils';
import WorkerAbstract from '../worker/WorkerAbstract';
import WorkerFactory from '../worker/WorkerFactory';
-import chalk from 'chalk';
-import { isMainThread } from 'worker_threads';
-import path from 'path';
-import { version } from '../../package.json';
+import { ChargingStationUtils } from './ChargingStationUtils';
+import { AbstractUIServer } from './ui-server/AbstractUIServer';
+import { UIServiceUtils } from './ui-server/ui-services/UIServiceUtils';
+import UIServerFactory from './ui-server/UIServerFactory';
export default class Bootstrap {
private static instance: Bootstrap | null = null;
- private static workerImplementation: WorkerAbstract | null = null;
- private static storage: Storage;
- private static numberOfChargingStations: number;
- private version: string = version;
+ private workerImplementation: WorkerAbstract<ChargingStationWorkerData> | null = null;
+ private readonly uiServer!: AbstractUIServer;
+ private readonly storage!: Storage;
+ private numberOfChargingStationTemplates!: number;
+ private numberOfChargingStations!: number;
+ private readonly version: string = version;
private started: boolean;
- private workerScript: string;
+ private readonly workerScript: string;
private constructor() {
this.started = false;
- this.workerScript = path.join(path.resolve(__dirname, '../'), 'charging-station', 'ChargingStationWorker.js');
- this.initWorkerImplementation();
- Bootstrap.storage = StorageFactory.getStorage(Configuration.getPerformanceStorage().type, Configuration.getPerformanceStorage().URI, this.logPrefix());
+ this.workerScript = path.join(
+ path.resolve(path.dirname(fileURLToPath(import.meta.url)), '../'),
+ 'charging-station',
+ 'ChargingStationWorker' + path.extname(fileURLToPath(import.meta.url))
+ );
+ this.initialize();
+ Configuration.getUIServer().enabled &&
+ (this.uiServer = UIServerFactory.getUIServerImplementation(ApplicationProtocol.WS, {
+ ...Configuration.getUIServer().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 {
- if (!Bootstrap.instance) {
+ if (Bootstrap.instance === null) {
Bootstrap.instance = new Bootstrap();
}
return Bootstrap.instance;
public async start(): Promise<void> {
if (isMainThread && !this.started) {
try {
- Bootstrap.numberOfChargingStations = 0;
- await Bootstrap.storage.open();
- await Bootstrap.workerImplementation.start();
+ this.initialize();
+ await this.storage?.open();
+ await this.workerImplementation.start();
+ this.uiServer?.start();
+ const stationTemplateUrls = Configuration.getStationTemplateUrls();
+ this.numberOfChargingStationTemplates = stationTemplateUrls.length;
// Start ChargingStation object in worker thread
- if (Configuration.getStationTemplateURLs()) {
- for (const stationURL of Configuration.getStationTemplateURLs()) {
+ if (!Utils.isEmptyArray(stationTemplateUrls)) {
+ for (const stationTemplateUrl of stationTemplateUrls) {
try {
- const nbStations = stationURL.numberOfStations ?? 0;
+ const nbStations = stationTemplateUrl.numberOfStations ?? 0;
for (let index = 1; index <= nbStations; index++) {
- const workerData: ChargingStationWorkerData = {
- index,
- templateFile: path.join(path.resolve(__dirname, '../'), 'assets', 'station-templates', path.basename(stationURL.file))
- };
- await Bootstrap.workerImplementation.addElement(workerData);
- Bootstrap.numberOfChargingStations++;
+ await this.startChargingStation(index, stationTemplateUrl);
}
} catch (error) {
- console.error(chalk.red('Charging station start with template file ' + stationURL.file + ' error '), error);
+ console.error(
+ chalk.red(
+ 'Error at starting charging station with template file ' +
+ stationTemplateUrl.file +
+ ': '
+ ),
+ error
+ );
}
}
} else {
- console.warn(chalk.yellow('No stationTemplateURLs defined in configuration, exiting'));
+ console.warn(
+ chalk.yellow("'stationTemplateUrls' not defined or empty in configuration, exiting")
+ );
}
- if (Bootstrap.numberOfChargingStations === 0) {
- console.warn(chalk.yellow('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(chalk.green(`Charging stations simulator ${this.version} started with ${Bootstrap.numberOfChargingStations.toString()} charging station(s) and ${Utils.workerDynamicPoolInUse() ? `${Configuration.getWorkerPoolMinSize().toString()}/` : ''}${Bootstrap.workerImplementation.size}${Utils.workerPoolInUse() ? `/${Configuration.getWorkerPoolMaxSize().toString()}` : ''} worker(s) concurrently running in '${Configuration.getWorkerProcess()}' mode${Bootstrap.workerImplementation.maxElementsPerWorker ? ` (${Bootstrap.workerImplementation.maxElementsPerWorker} charging station(s) per worker)` : ''}`));
+ console.log(
+ chalk.green(
+ `Charging stations simulator ${
+ this.version
+ } started with ${this.numberOfChargingStations.toString()} charging station(s) from ${this.numberOfChargingStationTemplates.toString()} configured charging station template(s) and ${
+ ChargingStationUtils.workerDynamicPoolInUse()
+ ? `${Configuration.getWorker().poolMinSize.toString()}/`
+ : ''
+ }${this.workerImplementation.size}${
+ ChargingStationUtils.workerPoolInUse()
+ ? `/${Configuration.getWorker().poolMaxSize.toString()}`
+ : ''
+ } worker(s) concurrently running in '${Configuration.getWorker().processType}' mode${
+ this.workerImplementation.maxElementsPerWorker
+ ? ` (${this.workerImplementation.maxElementsPerWorker} charging station(s) per worker)`
+ : ''
+ }`
+ )
+ );
}
this.started = true;
} catch (error) {
public async stop(): Promise<void> {
if (isMainThread && this.started) {
- await Bootstrap.workerImplementation.stop();
- await Bootstrap.storage.close();
+ await this.workerImplementation.stop();
+ this.workerImplementation = null;
+ this.uiServer?.stop();
+ await this.storage?.close();
} else {
console.error(chalk.red('Trying to stop the charging stations simulator while not started'));
}
public async restart(): Promise<void> {
await this.stop();
- this.initWorkerImplementation();
+ this.initialize();
await this.start();
}
- private initWorkerImplementation(): void {
- Bootstrap.workerImplementation = WorkerFactory.getWorkerImplementation<ChargingStationWorkerData>(this.workerScript, Configuration.getWorkerProcess(),
- {
- startDelay: Configuration.getWorkerStartDelay(),
- poolMaxSize: Configuration.getWorkerPoolMaxSize(),
- poolMinSize: Configuration.getWorkerPoolMinSize(),
- elementsPerWorker: Configuration.getChargingStationsPerWorker(),
- poolOptions: {
- workerChoiceStrategy: Configuration.getWorkerPoolStrategy()
- },
- messageHandler: async (msg: ChargingStationWorkerMessage) => {
- if (msg.id === ChargingStationWorkerMessageEvents.PERFORMANCE_STATISTICS) {
- await Bootstrap.storage.storePerformanceStatistics(msg.data);
- }
+ private initializeWorkerImplementation(): void {
+ !this.workerImplementation &&
+ (this.workerImplementation = WorkerFactory.getWorkerImplementation<ChargingStationWorkerData>(
+ this.workerScript,
+ Configuration.getWorker().processType,
+ {
+ workerStartDelay: Configuration.getWorker().startDelay,
+ elementStartDelay: Configuration.getWorker().elementStartDelay,
+ poolMaxSize: Configuration.getWorker().poolMaxSize,
+ poolMinSize: Configuration.getWorker().poolMinSize,
+ elementsPerWorker: Configuration.getWorker().elementsPerWorker,
+ poolOptions: {
+ workerChoiceStrategy: Configuration.getWorker().poolStrategy,
+ },
+ messageHandler: async (msg: ChargingStationWorkerMessage) => {
+ if (msg.id === ChargingStationWorkerMessageEvents.STARTED) {
+ this.uiServer.chargingStations.add(msg.data.id as string);
+ } else if (msg.id === ChargingStationWorkerMessageEvents.STOPPED) {
+ this.uiServer.chargingStations.delete(msg.data.id as string);
+ } else if (msg.id === ChargingStationWorkerMessageEvents.PERFORMANCE_STATISTICS) {
+ await this.storage.storePerformanceStatistics(msg.data as unknown as Statistics);
+ }
+ },
}
- });
+ ));
+ }
+
+ private initialize() {
+ this.numberOfChargingStations = 0;
+ this.numberOfChargingStationTemplates = 0;
+ this.initializeWorkerImplementation();
+ }
+
+ private async startChargingStation(
+ index: number,
+ stationTemplateUrl: StationTemplateUrl
+ ): Promise<void> {
+ const workerData: ChargingStationWorkerData = {
+ index,
+ templateFile: path.join(
+ path.resolve(path.dirname(fileURLToPath(import.meta.url)), '../'),
+ 'assets',
+ 'station-templates',
+ stationTemplateUrl.file
+ ),
+ };
+ await this.workerImplementation.addElement(workerData);
+ this.numberOfChargingStations++;
}
private logPrefix(): string {
repositories / e-mobility-charging-stations-simulator.git / blobdiff