import chalk from 'chalk';
import { version } from '../../package.json';
-import { Storage } from '../performance/storage/Storage';
+import BaseError from '../exception/BaseError';
+import type { Storage } from '../performance/storage/Storage';
import { StorageFactory } from '../performance/storage/StorageFactory';
import {
+ ChargingStationData,
ChargingStationWorkerData,
ChargingStationWorkerMessage,
+ 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 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 type { AbstractUIServer } from './ui-server/AbstractUIServer';
import UIServerFactory from './ui-server/UIServerFactory';
-export default class Bootstrap {
+const moduleName = 'Bootstrap';
+
+const missingChargingStationsConfigurationExitCode = 1;
+const noChargingStationTemplatesExitCode = 2;
+
+export class Bootstrap {
private static instance: Bootstrap | null = null;
private workerImplementation: WorkerAbstract<ChargingStationWorkerData> | null = null;
private readonly uiServer!: AbstractUIServer;
private readonly storage!: Storage;
private numberOfChargingStationTemplates!: number;
private numberOfChargingStations!: number;
+ private numberOfStartedChargingStations!: number;
private readonly version: string = version;
private started: boolean;
private readonly workerScript: string;
'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().type,
+ Configuration.getUIServer()
+ ));
+ Configuration.getPerformanceStorage().enabled === true &&
(this.storage = StorageFactory.getStorage(
Configuration.getPerformanceStorage().type,
Configuration.getPerformanceStorage().uri,
}
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) {
+ if (isMainThread && this.started === false) {
try {
this.initialize();
await this.storage?.open();
console.warn(
chalk.yellow("'stationTemplateUrls' not defined or empty in configuration, exiting")
);
+ process.exit(missingChargingStationsConfigurationExitCode);
}
if (this.numberOfChargingStations === 0) {
console.warn(
chalk.yellow('No charging station template enabled in configuration, exiting')
);
+ process.exit(noChargingStationTemplatesExitCode);
} else {
- console.log(
+ console.info(
chalk.green(
`Charging stations simulator ${
this.version
}
this.started = true;
} catch (error) {
- console.error(chalk.red('Bootstrap start error '), error);
+ console.error(chalk.red('Bootstrap start error: '), error);
}
} else {
console.error(chalk.red('Cannot start an already started charging stations simulator'));
}
public async stop(): Promise<void> {
- if (isMainThread && this.started) {
+ if (isMainThread && this.started === true) {
await this.workerImplementation.stop();
this.workerImplementation = null;
this.uiServer?.stop();
poolOptions: {
workerChoiceStrategy: Configuration.getWorker().poolStrategy,
},
- messageHandler: async (msg: ChargingStationWorkerMessage) => {
- if (msg.id === ChargingStationWorkerMessageEvents.STARTED) {
- this.uiServer.chargingStations.add(msg.data.id as string);
- } else if (msg.id === ChargingStationWorkerMessageEvents.STOPPED) {
- this.uiServer.chargingStations.delete(msg.data.id as string);
- } else if (msg.id === ChargingStationWorkerMessageEvents.PERFORMANCE_STATISTICS) {
- await this.storage.storePerformanceStatistics(msg.data as unknown as Statistics);
- }
- },
+ messageHandler: this.messageHandler.bind(this) as (
+ msg: ChargingStationWorkerMessage<ChargingStationWorkerMessageData>
+ ) => void,
}
));
}
+ private messageHandler(
+ msg: ChargingStationWorkerMessage<ChargingStationWorkerMessageData>
+ ): void {
+ // logger.debug(
+ // `${this.logPrefix()} ${moduleName}.messageHandler: Worker channel message received: ${JSON.stringify(
+ // msg,
+ // null,
+ // 2
+ // )}`
+ // );
+ try {
+ switch (msg.id) {
+ case ChargingStationWorkerMessageEvents.STARTED:
+ this.workerEventStarted(msg.data as ChargingStationData);
+ break;
+ case ChargingStationWorkerMessageEvents.STOPPED:
+ this.workerEventStopped(msg.data as ChargingStationData);
+ break;
+ case ChargingStationWorkerMessageEvents.UPDATED:
+ this.workerEventUpdated(msg.data as ChargingStationData);
+ break;
+ case ChargingStationWorkerMessageEvents.PERFORMANCE_STATISTICS:
+ this.workerEventPerformanceStatistics(msg.data as Statistics);
+ break;
+ default:
+ throw new BaseError(
+ `Unknown event type: '${msg.id}' for data: ${JSON.stringify(msg.data, null, 2)}`
+ );
+ }
+ } catch (error) {
+ logger.error(
+ `${this.logPrefix()} ${moduleName}.messageHandler: Error occurred while handling '${
+ msg.id
+ }' event:`,
+ error
+ );
+ }
+ }
+
+ private workerEventStarted(data: ChargingStationData) {
+ this.uiServer?.chargingStations.set(data.stationInfo.hashId, data);
+ ++this.numberOfStartedChargingStations;
+ }
+
+ private workerEventStopped(data: ChargingStationData) {
+ this.uiServer?.chargingStations.set(data.stationInfo.hashId, data);
+ --this.numberOfStartedChargingStations;
+ }
+
+ private workerEventUpdated(data: ChargingStationData) {
+ this.uiServer?.chargingStations.set(data.stationInfo.hashId, data);
+ }
+
+ private workerEventPerformanceStatistics = (data: Statistics) => {
+ this.storage.storePerformanceStatistics(data) as void;
+ };
+
private initialize() {
- this.numberOfChargingStations = 0;
this.numberOfChargingStationTemplates = 0;
+ this.numberOfChargingStations = 0;
+ this.numberOfStartedChargingStations = 0;
this.initializeWorkerImplementation();
}
path.resolve(path.dirname(fileURLToPath(import.meta.url)), '../'),
'assets',
'station-templates',
- path.basename(stationTemplateUrl.file)
+ stationTemplateUrl.file
),
};
await this.workerImplementation.addElement(workerData);
- this.numberOfChargingStations++;
+ ++this.numberOfChargingStations;
}
private logPrefix(): string {
repositories / e-mobility-charging-stations-simulator.git / blobdiff