import ConfigurationData, { StationTemplateURL } from '../types/ConfigurationData';
+import Constants from './Constants';
+import type { WorkerChoiceStrategy } from 'poolifier';
+import { WorkerProcessType } from '../types/Worker';
import fs from 'fs';
+import path from 'path';
export default class Configuration {
- private static configuration: ConfigurationData;
+ private static configurationFilePath = path.join(path.resolve(__dirname, '../'), 'assets', 'config.json');
+ private static configurationFileWatcher: fs.FSWatcher;
+ private static configuration: ConfigurationData | null = null;
+ private static configurationChangeCallback: () => Promise<void>;
+
+ static setConfigurationChangeCallback(cb: () => Promise<void>): void {
+ Configuration.configurationChangeCallback = cb;
+ }
static getStatisticsDisplayInterval(): number {
// Read conf
return Configuration.getConfig().stationTemplateURLs;
}
- static useWorkerPool(): boolean {
- return Configuration.getConfig().useWorkerPool;
+ static getWorkerProcess(): WorkerProcessType {
+ Configuration.deprecateConfigurationKey('useWorkerPool;', 'Use \'workerProcess\' to define the type of worker process to use instead');
+ return Configuration.objectHasOwnProperty(Configuration.getConfig(), 'workerProcess') ? Configuration.getConfig().workerProcess : WorkerProcessType.WORKER_SET;
+ }
+
+ static getWorkerStartDelay(): number {
+ return Configuration.objectHasOwnProperty(Configuration.getConfig(), 'workerStartDelay') ? Configuration.getConfig().workerStartDelay : Constants.WORKER_START_DELAY;
}
- static getWorkerPoolSize(): number {
- return Configuration.getConfig().workerPoolSize;
+ static getWorkerPoolMinSize(): number {
+ return Configuration.objectHasOwnProperty(Configuration.getConfig(), 'workerPoolMinSize') ? Configuration.getConfig().workerPoolMinSize : Constants.DEFAULT_WORKER_POOL_MIN_SIZE;
+ }
+
+ static getWorkerPoolMaxSize(): number {
+ Configuration.deprecateConfigurationKey('workerPoolSize;', 'Use \'workerPoolMaxSize\' instead');
+ return Configuration.objectHasOwnProperty(Configuration.getConfig(), 'workerPoolMaxSize') ? Configuration.getConfig().workerPoolMaxSize : Constants.DEFAULT_WORKER_POOL_MAX_SIZE;
+ }
+
+ static getWorkerPoolStrategy(): WorkerChoiceStrategy {
+ return Configuration.getConfig().workerPoolStrategy;
}
static getChargingStationsPerWorker(): number {
- return Configuration.objectHasOwnProperty(Configuration.getConfig(), 'chargingStationsPerWorker') ? Configuration.getConfig().chargingStationsPerWorker : 1;
+ return Configuration.objectHasOwnProperty(Configuration.getConfig(), 'chargingStationsPerWorker') ? Configuration.getConfig().chargingStationsPerWorker : Constants.DEFAULT_CHARGING_STATIONS_PER_WORKER;
}
static getLogConsole(): boolean {
// Read the config file
private static getConfig(): ConfigurationData {
if (!Configuration.configuration) {
- Configuration.configuration = JSON.parse(fs.readFileSync('./src/assets/config.json', 'utf8')) as ConfigurationData;
+ Configuration.configuration = JSON.parse(fs.readFileSync(Configuration.configurationFilePath, 'utf8')) as ConfigurationData;
+ if (!Configuration.configurationFileWatcher) {
+ Configuration.configurationFileWatcher = Configuration.getConfigurationFileWatcher();
+ }
}
return Configuration.configuration;
}
+ private static getConfigurationFileWatcher(): fs.FSWatcher {
+ // eslint-disable-next-line @typescript-eslint/no-misused-promises
+ return fs.watch(Configuration.configurationFilePath).on('change', async (e): Promise<void> => {
+ // Nullify to force configuration file reading
+ Configuration.configuration = null;
+ if (!Configuration.isUndefined(Configuration.configurationChangeCallback)) {
+ await Configuration.configurationChangeCallback();
+ }
+ });
+ }
+
private static objectHasOwnProperty(object: any, property: string): boolean {
- return Object.prototype.hasOwnProperty.call(object, property) as boolean;
+ return Object.prototype.hasOwnProperty.call(object, property);
}
private static isUndefined(obj: any): boolean {