-import { ChargingStationWorkerData, WorkerEvents, WorkerMessage } from '../types/Worker';
+// Partial Copyright Jerome Benoit. 2021. All Rights Reserved.
+
+import {
+ ChargingStationWorkerData,
+ ChargingStationWorkerMessage,
+ ChargingStationWorkerMessageEvents,
+} from '../types/ChargingStationWorker';
import Configuration from '../utils/Configuration';
-import { Storage } from '../utils/performance-storage/Storage';
-import { StorageFactory } from '../utils/performance-storage/StorageFactory';
+import { StationTemplateUrl } from '../types/ConfigurationData';
+import Statistics from '../types/Statistics';
+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';
export default class Bootstrap {
private static instance: Bootstrap | null = null;
- private static workerImplementation: WorkerAbstract | null = null;
- private static storage: Storage;
- private version: string = version;
+ private workerImplementation: WorkerAbstract<ChargingStationWorkerData> | 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 readonly workerScript: string;
private constructor() {
this.started = false;
- this.workerScript = path.join(path.resolve(__dirname, '../'), 'charging-station', 'ChargingStationWorker.js');
+ 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());
+ 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 async start(): Promise<void> {
if (isMainThread && !this.started) {
try {
- let numStationsTotal = 0;
- await Bootstrap.workerImplementation.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: ChargingStationWorkerData = {
- index,
- templateFile: path.join(path.resolve(__dirname, '../'), 'assets', 'station-templates', path.basename(stationURL.file))
- };
- await Bootstrap.workerImplementation.addElement(workerData);
- numStationsTotal++;
+ 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(
+ 'Charging station start with template file ' + stationTemplateUrl.file + ' error '
+ ),
+ error
+ );
}
}
} else {
- console.warn(chalk.yellow('No stationTemplateURLs defined in configuration, exiting'));
+ console.warn(chalk.yellow('No stationTemplateUrls defined in configuration, exiting'));
}
- if (numStationsTotal === 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 station simulator ${this.version} started with ${numStationsTotal.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) 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) {
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) {
- await Bootstrap.workerImplementation.stop();
+ 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;
}
await this.start();
}
- private initWorkerImplementation() {
- Bootstrap.workerImplementation = WorkerFactory.getWorkerImplementation<ChargingStationWorkerData>(this.workerScript, Configuration.getWorkerProcess(),
+ private initWorkerImplementation(): void {
+ this.workerImplementation = WorkerFactory.getWorkerImplementation<ChargingStationWorkerData>(
+ this.workerScript,
+ Configuration.getWorkerProcess(),
{
- startDelay: Configuration.getWorkerStartDelay(),
+ workerStartDelay: Configuration.getWorkerStartDelay(),
+ elementStartDelay: Configuration.getElementStartDelay(),
poolMaxSize: Configuration.getWorkerPoolMaxSize(),
poolMinSize: Configuration.getWorkerPoolMinSize(),
elementsPerWorker: Configuration.getChargingStationsPerWorker(),
poolOptions: {
- workerChoiceStrategy: Configuration.getWorkerPoolStrategy()
- }
- }, (msg: WorkerMessage) => {
- if (msg.id === WorkerEvents.PERFORMANCE_STATISTICS) {
- Bootstrap.storage.storePerformanceStatistics(msg.data);
- }
- });
+ workerChoiceStrategy: Configuration.getWorkerPoolStrategy(),
+ },
+ messageHandler: async (msg: ChargingStationWorkerMessage) => {
+ if (msg.id === ChargingStationWorkerMessageEvents.STARTED) {
+ this.uiWebSocketServer.chargingStations.add(msg.data.id as string);
+ } else if (msg.id === ChargingStationWorkerMessageEvents.STOPPED) {
+ this.uiWebSocketServer.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 async startChargingStation(
+ index: number,
+ stationTemplateUrl: StationTemplateUrl
+ ): Promise<void> {
+ const workerData: ChargingStationWorkerData = {
+ index,
+ templateFile: path.join(
+ path.resolve(__dirname, '../'),
+ 'assets',
+ 'station-templates',
+ path.basename(stationTemplateUrl.file)
+ ),
+ };
+ await this.workerImplementation.addElement(workerData);
+ this.numberOfChargingStations++;
}
private logPrefix(): string {