-// Partial Copyright Jerome Benoit. 2021. All Rights Reserved.
+// Partial Copyright Jerome Benoit. 2021-2023. All Rights Reserved.
-import path from 'path';
-import { fileURLToPath } from 'url';
-import { isMainThread } from 'worker_threads';
+import path from 'node:path';
+import { fileURLToPath } from 'node:url';
+import { type Worker, isMainThread } from 'worker_threads';
import chalk from 'chalk';
+import { ChargingStationUtils } from './ChargingStationUtils';
+import type { AbstractUIServer } from './ui-server/AbstractUIServer';
+import UIServerFactory from './ui-server/UIServerFactory';
import { version } from '../../package.json';
import BaseError from '../exception/BaseError';
-import { Storage } from '../performance/storage/Storage';
+import type { Storage } from '../performance/storage/Storage';
import { StorageFactory } from '../performance/storage/StorageFactory';
import {
- ChargingStationData,
- ChargingStationWorkerData,
- ChargingStationWorkerMessage,
- ChargingStationWorkerMessageData,
+ type ChargingStationData,
+ type ChargingStationWorkerData,
+ type ChargingStationWorkerMessage,
+ type ChargingStationWorkerMessageData,
ChargingStationWorkerMessageEvents,
} from '../types/ChargingStationWorker';
-import { StationTemplateUrl } from '../types/ConfigurationData';
-import Statistics from '../types/Statistics';
-import { ApplicationProtocol } from '../types/UIProtocol';
+import type { StationTemplateUrl } from '../types/ConfigurationData';
+import type { Statistics } from '../types/Statistics';
+import type { MessageHandler } from '../types/Worker';
import Configuration from '../utils/Configuration';
import logger from '../utils/Logger';
import Utils from '../utils/Utils';
-import WorkerAbstract from '../worker/WorkerAbstract';
+import type WorkerAbstract from '../worker/WorkerAbstract';
import WorkerFactory from '../worker/WorkerFactory';
-import { ChargingStationUtils } from './ChargingStationUtils';
-import { AbstractUIServer } from './ui-server/AbstractUIServer';
-import { UIServiceUtils } from './ui-server/ui-services/UIServiceUtils';
-import UIServerFactory from './ui-server/UIServerFactory';
const moduleName = 'Bootstrap';
-export default class Bootstrap {
+enum exitCodes {
+ missingChargingStationsConfiguration = 1,
+ noChargingStationTemplates = 2,
+}
+
+export class Bootstrap {
private static instance: Bootstrap | null = null;
- private workerImplementation: WorkerAbstract<ChargingStationWorkerData> | null = null;
- private readonly uiServer!: AbstractUIServer;
+ private workerImplementation: WorkerAbstract<ChargingStationWorkerData> | null;
+ private readonly uiServer!: AbstractUIServer | null;
private readonly storage!: Storage;
- private numberOfChargingStationTemplates!: number;
+ private numberOfChargingStationTemplates!: number | undefined;
private numberOfChargingStations!: number;
private numberOfStartedChargingStations!: number;
private readonly version: string = version;
private constructor() {
this.started = false;
+ this.workerImplementation = null;
this.workerScript = path.join(
path.resolve(path.dirname(fileURLToPath(import.meta.url)), '../'),
'charging-station',
- 'ChargingStationWorker' + path.extname(fileURLToPath(import.meta.url))
+ `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 &&
+ Configuration.getUIServer().enabled === true &&
+ (this.uiServer = UIServerFactory.getUIServerImplementation(Configuration.getUIServer()));
+ Configuration.getPerformanceStorage().enabled === true &&
(this.storage = StorageFactory.getStorage(
Configuration.getPerformanceStorage().type,
Configuration.getPerformanceStorage().uri,
}
public async start(): Promise<void> {
- if (isMainThread && !this.started) {
+ if (isMainThread && this.started === false) {
try {
+ // Enable unconditionally for now
+ this.logUnhandledRejection();
+ this.logUncaughtException();
this.initialize();
await this.storage?.open();
- await this.workerImplementation.start();
+ await this.workerImplementation?.start();
this.uiServer?.start();
const stationTemplateUrls = Configuration.getStationTemplateUrls();
- this.numberOfChargingStationTemplates = stationTemplateUrls.length;
+ this.numberOfChargingStationTemplates = stationTemplateUrls?.length;
// Start ChargingStation object in worker thread
if (!Utils.isEmptyArray(stationTemplateUrls)) {
for (const stationTemplateUrl of stationTemplateUrls) {
} catch (error) {
console.error(
chalk.red(
- 'Error at starting charging station with template file ' +
- stationTemplateUrl.file +
- ': '
+ `Error at starting charging station with template file ${stationTemplateUrl.file}: `
),
error
);
console.warn(
chalk.yellow("'stationTemplateUrls' not defined or empty in configuration, exiting")
);
+ process.exit(exitCodes.missingChargingStationsConfiguration);
}
if (this.numberOfChargingStations === 0) {
console.warn(
chalk.yellow('No charging station template enabled in configuration, exiting')
);
- process.exit();
+ process.exit(exitCodes.noChargingStationTemplates);
} else {
console.info(
chalk.green(
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()}/`
+ ? `${Configuration.getWorker().poolMinSize?.toString()}/`
: ''
- }${this.workerImplementation.size}${
+ }${this.workerImplementation?.size}${
ChargingStationUtils.workerPoolInUse()
- ? `/${Configuration.getWorker().poolMaxSize.toString()}`
+ ? `/${Configuration.getWorker().poolMaxSize?.toString()}`
: ''
} worker(s) concurrently running in '${Configuration.getWorker().processType}' mode${
- this.workerImplementation.maxElementsPerWorker
- ? ` (${this.workerImplementation.maxElementsPerWorker} charging station(s) per worker)`
+ !Utils.isNullOrUndefined(this.workerImplementation?.maxElementsPerWorker)
+ ? ` (${this.workerImplementation?.maxElementsPerWorker} charging station(s) per worker)`
: ''
}`
)
}
this.started = true;
} catch (error) {
- console.error(chalk.red('Bootstrap start error '), error);
+ console.error(chalk.red('Bootstrap start error: '), error);
}
} else {
console.error(chalk.red('Cannot start an already started charging stations simulator'));
}
public async stop(): Promise<void> {
- if (isMainThread && this.started) {
- await this.workerImplementation.stop();
+ if (isMainThread && this.started === true) {
+ await this.workerImplementation?.stop();
this.workerImplementation = null;
this.uiServer?.stop();
await this.storage?.close();
+ this.started = false;
} else {
- console.error(chalk.red('Trying to stop the charging stations simulator while not started'));
+ console.error(chalk.red('Cannot stop a not started charging stations simulator'));
}
- this.started = false;
}
public async restart(): Promise<void> {
}
private initializeWorkerImplementation(): void {
- !this.workerImplementation &&
+ this.workerImplementation === null &&
(this.workerImplementation = WorkerFactory.getWorkerImplementation<ChargingStationWorkerData>(
this.workerScript,
Configuration.getWorker().processType,
poolOptions: {
workerChoiceStrategy: Configuration.getWorker().poolStrategy,
},
- messageHandler: this.messageHandler.bind(this) as (
- msg: ChargingStationWorkerMessage<ChargingStationWorkerMessageData>
- ) => void,
+ messageHandler: this.messageHandler.bind(this) as MessageHandler<Worker>,
}
));
}
}
}
- private workerEventStarted(data: ChargingStationData) {
- this.uiServer?.chargingStations.set(data.hashId, data);
+ private workerEventStarted = (data: ChargingStationData) => {
+ this.uiServer?.chargingStations.set(data.stationInfo.hashId, data);
++this.numberOfStartedChargingStations;
- }
+ logger.info(
+ `${this.logPrefix()} ${moduleName}.workerEventStarted: Charging station ${
+ data.stationInfo.chargingStationId
+ } (hashId: ${data.stationInfo.hashId}) started (${
+ this.numberOfStartedChargingStations
+ } started from ${this.numberOfChargingStations})`
+ );
+ };
- private workerEventStopped(data: ChargingStationData) {
- this.uiServer?.chargingStations.set(data.hashId, data);
+ private workerEventStopped = (data: ChargingStationData) => {
+ this.uiServer?.chargingStations.set(data.stationInfo.hashId, data);
--this.numberOfStartedChargingStations;
- }
+ logger.info(
+ `${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.uiServer?.chargingStations.set(data.hashId, data);
- }
+ private workerEventUpdated = (data: ChargingStationData) => {
+ this.uiServer?.chargingStations.set(data.stationInfo.hashId, data);
+ };
private workerEventPerformanceStatistics = (data: Statistics) => {
this.storage.storePerformanceStatistics(data) as void;
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
stationTemplateUrl.file
),
};
- await this.workerImplementation.addElement(workerData);
+ await this.workerImplementation?.addElement(workerData);
++this.numberOfChargingStations;
}
- private logPrefix(): string {
+ private logPrefix = (): string => {
return Utils.logPrefix(' Bootstrap |');
- }
+ };
}
repositories / e-mobility-charging-stations-simulator.git / blobdiff