+import { StationWorkerData, WorkerEvents, WorkerMessage } from '../types/Worker';
+
import Configuration from '../utils/Configuration';
-import { StationWorkerData } from '../types/Worker';
+import { Storage } from '../utils/performance-storage/Storage';
+import { StorageFactory } from '../utils/performance-storage/StorageFactory';
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';
export default class Bootstrap {
- private static instance: Bootstrap;
+ private static instance: Bootstrap | null = null;
+ private static workerImplementation: WorkerAbstract | null = null;
+ private static storage: Storage;
private version: string = version;
private started: boolean;
private workerScript: string;
- private workerImplementation: WorkerAbstract | null = null;
private constructor() {
this.started = false;
this.workerScript = path.join(path.resolve(__dirname, '../'), 'charging-station', 'StationWorker.js');
this.initWorkerImplementation();
+ Bootstrap.storage = StorageFactory.getStorage(Configuration.getPerformanceStorage().type, Configuration.getPerformanceStorage().URI, this.logPrefix());
Configuration.setConfigurationChangeCallback(async () => Bootstrap.getInstance().restart());
}
if (isMainThread && !this.started) {
try {
let numStationsTotal = 0;
- await this.workerImplementation.start();
+ await Bootstrap.workerImplementation.start();
// Start ChargingStation object in worker thread
if (Configuration.getStationTemplateURLs()) {
for (const stationURL of Configuration.getStationTemplateURLs()) {
index,
templateFile: path.join(path.resolve(__dirname, '../'), 'assets', 'station-templates', path.basename(stationURL.file))
};
- await this.workerImplementation.addElement(workerData);
+ await Bootstrap.workerImplementation.addElement(workerData);
numStationsTotal++;
}
} catch (error) {
- console.error('Charging station start with template file ' + stationURL.file + ' error ', error);
+ console.error(chalk.red('Charging station start with template file ' + stationURL.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');
+ console.warn(chalk.yellow('No charging station template enabled in configuration, exiting'));
} else {
- console.log(`Charging station simulator ${this.version} started with ${numStationsTotal.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)` : ''}`);
+ 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)` : ''}`));
}
this.started = true;
} catch (error) {
- console.error('Bootstrap start error ', error);
+ console.error(chalk.red('Bootstrap start error '), error);
}
}
}
public async stop(): Promise<void> {
if (isMainThread && this.started) {
- await this.workerImplementation.stop();
+ await Bootstrap.workerImplementation.stop();
}
this.started = false;
}
public async restart(): Promise<void> {
await this.stop();
- this.initWorkerImplementation(true);
+ this.initWorkerImplementation();
await this.start();
}
- private initWorkerImplementation(forceInstantiation = false) {
- this.workerImplementation = WorkerFactory.getWorkerImplementation<StationWorkerData>(this.workerScript, Configuration.getWorkerProcess(),
+ private initWorkerImplementation() {
+ Bootstrap.workerImplementation = WorkerFactory.getWorkerImplementation<StationWorkerData>(this.workerScript, Configuration.getWorkerProcess(),
{
startDelay: Configuration.getWorkerStartDelay(),
poolMaxSize: Configuration.getWorkerPoolMaxSize(),
poolOptions: {
workerChoiceStrategy: Configuration.getWorkerPoolStrategy()
}
- }, forceInstantiation);
- if (!this.workerImplementation) {
+ }, (msg: WorkerMessage) => {
+ if (msg.id === WorkerEvents.PERFORMANCE_STATISTICS) {
+ Bootstrap.storage.storePerformanceStatistics(msg.data);
+ }
+ });
+ if (!Bootstrap.workerImplementation) {
throw new Error('Worker implementation not found');
}
}
+
+ private logPrefix(): string {
+ return Utils.logPrefix(' Bootstrap');
+ }
}