-import ConfigurationData, { StationTemplateURL } from '../types/ConfigurationData';
+import { type FSWatcher, readFileSync, watch } from 'node:fs';
+import { dirname, join, resolve } from 'node:path';
+import { fileURLToPath } from 'node:url';
-import Constants from './Constants';
-import type { WorkerChoiceStrategy } from 'poolifier';
-import { WorkerProcessType } from '../types/Worker';
-import fs from 'fs';
-import path from 'path';
+import chalk from 'chalk';
+import merge from 'just-merge';
-export default class Configuration {
- 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>;
+import { Constants } from './Constants';
+import { hasOwnProp, isCFEnvironment, isNotEmptyString, isUndefined } from './Utils';
+import {
+ ApplicationProtocol,
+ type ConfigurationData,
+ ConfigurationSection,
+ FileType,
+ type LogConfiguration,
+ type StationTemplateUrl,
+ type StorageConfiguration,
+ StorageType,
+ SupervisionUrlDistribution,
+ type UIServerConfiguration,
+ type WorkerConfiguration,
+} from '../types';
+import {
+ DEFAULT_ELEMENT_START_DELAY,
+ DEFAULT_POOL_MAX_SIZE,
+ DEFAULT_POOL_MIN_SIZE,
+ DEFAULT_WORKER_START_DELAY,
+ WorkerProcessType,
+} from '../worker';
- static setConfigurationChangeCallback(cb: () => Promise<void>): void {
- Configuration.configurationChangeCallback = cb;
- }
+type ConfigurationSectionType =
+ | LogConfiguration
+ | StorageConfiguration
+ | WorkerConfiguration
+ | UIServerConfiguration;
- static getStatisticsDisplayInterval(): number {
- // Read conf
- return Configuration.objectHasOwnProperty(Configuration.getConfig(), 'statisticsDisplayInterval') ? Configuration.getConfig().statisticsDisplayInterval : 60;
- }
+export class Configuration {
+ private static configurationFile = join(
+ dirname(fileURLToPath(import.meta.url)),
+ 'assets',
+ 'config.json',
+ );
- static getConnectionTimeout(): number {
- Configuration.deprecateConfigurationKey('autoReconnectTimeout', 'Use \'connectionTimeout\' in charging station instead');
- Configuration.deprecateConfigurationKey('connectionTimeout', 'Use it in charging station template instead');
- // Read conf
- if (Configuration.objectHasOwnProperty(Configuration.getConfig(), 'connectionTimeout')) {
- return Configuration.getConfig().connectionTimeout;
- }
- }
+ private static configurationFileWatcher?: FSWatcher;
+ private static configurationData?: ConfigurationData;
+ private static configurationSectionCache = new Map<
+ ConfigurationSection,
+ ConfigurationSectionType
+ >([
+ [ConfigurationSection.log, Configuration.buildLogSection()],
+ [ConfigurationSection.performanceStorage, Configuration.buildPerformanceStorageSection()],
+ [ConfigurationSection.worker, Configuration.buildWorkerSection()],
+ [ConfigurationSection.uiServer, Configuration.buildUIServerSection()],
+ ]);
- static getAutoReconnectMaxRetries(): number {
- Configuration.deprecateConfigurationKey('autoReconnectMaxRetries', 'Use it in charging station template instead');
- // Read conf
- if (Configuration.objectHasOwnProperty(Configuration.getConfig(), 'autoReconnectMaxRetries')) {
- return Configuration.getConfig().autoReconnectMaxRetries;
- }
- }
+ private static configurationChangeCallback?: () => Promise<void>;
- static getStationTemplateURLs(): StationTemplateURL[] {
- Configuration.getConfig().stationTemplateURLs.forEach((stationURL: StationTemplateURL) => {
- if (!Configuration.isUndefined(stationURL['numberOfStation'])) {
- console.error(`Deprecated configuration key 'numberOfStation' usage for template file '${stationURL.file}' in 'stationTemplateURLs'. Use 'numberOfStations' instead`);
- }
- });
- // Read conf
- return Configuration.getConfig().stationTemplateURLs;
+ private constructor() {
+ // This is intentional
}
- 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;
+ public static setConfigurationChangeCallback(cb: () => Promise<void>): void {
+ Configuration.configurationChangeCallback = cb;
}
- static getWorkerStartDelay(): number {
- return Configuration.objectHasOwnProperty(Configuration.getConfig(), 'workerStartDelay') ? Configuration.getConfig().workerStartDelay : Constants.WORKER_START_DELAY;
+ public static getConfigurationSection<T extends ConfigurationSectionType>(
+ sectionName: ConfigurationSection,
+ ): T {
+ if (!Configuration.isConfigurationSectionCached(sectionName)) {
+ Configuration.cacheConfigurationSection(sectionName);
+ }
+ return Configuration.configurationSectionCache.get(sectionName) as T;
}
- static getWorkerPoolMinSize(): number {
- return Configuration.objectHasOwnProperty(Configuration.getConfig(), 'workerPoolMinSize') ? Configuration.getConfig().workerPoolMinSize : Constants.DEFAULT_WORKER_POOL_MIN_SIZE;
+ public static getAutoReconnectMaxRetries(): number | undefined {
+ Configuration.warnDeprecatedConfigurationKey(
+ 'autoReconnectTimeout',
+ undefined,
+ "Use 'ConnectionTimeOut' OCPP parameter in charging station template instead",
+ );
+ Configuration.warnDeprecatedConfigurationKey(
+ 'connectionTimeout',
+ undefined,
+ "Use 'ConnectionTimeOut' OCPP parameter in charging station template instead",
+ );
+ Configuration.warnDeprecatedConfigurationKey(
+ 'autoReconnectMaxRetries',
+ undefined,
+ 'Use it in charging station template instead',
+ );
+ if (hasOwnProp(Configuration.getConfigurationData(), 'autoReconnectMaxRetries')) {
+ return Configuration.getConfigurationData()?.autoReconnectMaxRetries;
+ }
}
- static getWorkerPoolMaxSize(): number {
- Configuration.deprecateConfigurationKey('workerPoolSize;', 'Use \'workerPoolMaxSize\' instead');
- return Configuration.objectHasOwnProperty(Configuration.getConfig(), 'workerPoolMaxSize') ? Configuration.getConfig().workerPoolMaxSize : Constants.DEFAULT_WORKER_POOL_MAX_SIZE;
+ public static getStationTemplateUrls(): StationTemplateUrl[] | undefined {
+ Configuration.warnDeprecatedConfigurationKey(
+ 'stationTemplateURLs',
+ undefined,
+ "Use 'stationTemplateUrls' instead",
+ );
+ // eslint-disable-next-line @typescript-eslint/dot-notation
+ !isUndefined(
+ Configuration.getConfigurationData()!['stationTemplateURLs' as keyof ConfigurationData],
+ ) &&
+ (Configuration.getConfigurationData()!.stationTemplateUrls =
+ Configuration.getConfigurationData()![
+ // eslint-disable-next-line @typescript-eslint/dot-notation
+ 'stationTemplateURLs' as keyof ConfigurationData
+ ] as StationTemplateUrl[]);
+ Configuration.getConfigurationData()!.stationTemplateUrls.forEach(
+ (stationTemplateUrl: StationTemplateUrl) => {
+ // eslint-disable-next-line @typescript-eslint/dot-notation
+ if (!isUndefined(stationTemplateUrl['numberOfStation' as keyof StationTemplateUrl])) {
+ console.error(
+ `${chalk.green(Configuration.logPrefix())} ${chalk.red(
+ `Deprecated configuration key 'numberOfStation' usage for template file '${stationTemplateUrl.file}' in 'stationTemplateUrls'. Use 'numberOfStations' instead`,
+ )}`,
+ );
+ }
+ },
+ );
+ return Configuration.getConfigurationData()?.stationTemplateUrls;
}
- static getWorkerPoolStrategy(): WorkerChoiceStrategy {
- return Configuration.getConfig().workerPoolStrategy;
+ public static getSupervisionUrls(): string | string[] | undefined {
+ Configuration.warnDeprecatedConfigurationKey(
+ 'supervisionURLs',
+ undefined,
+ "Use 'supervisionUrls' instead",
+ );
+ // eslint-disable-next-line @typescript-eslint/dot-notation
+ if (
+ !isUndefined(
+ Configuration.getConfigurationData()!['supervisionURLs' as keyof ConfigurationData],
+ )
+ ) {
+ Configuration.getConfigurationData()!.supervisionUrls = Configuration.getConfigurationData()![
+ // eslint-disable-next-line @typescript-eslint/dot-notation
+ 'supervisionURLs' as keyof ConfigurationData
+ ] as string | string[];
+ }
+ return Configuration.getConfigurationData()?.supervisionUrls;
}
- static getChargingStationsPerWorker(): number {
- return Configuration.objectHasOwnProperty(Configuration.getConfig(), 'chargingStationsPerWorker') ? Configuration.getConfig().chargingStationsPerWorker : Constants.DEFAULT_CHARGING_STATIONS_PER_WORKER;
+ public static getSupervisionUrlDistribution(): SupervisionUrlDistribution | undefined {
+ Configuration.warnDeprecatedConfigurationKey(
+ 'distributeStationToTenantEqually',
+ undefined,
+ "Use 'supervisionUrlDistribution' instead",
+ );
+ Configuration.warnDeprecatedConfigurationKey(
+ 'distributeStationsToTenantsEqually',
+ undefined,
+ "Use 'supervisionUrlDistribution' instead",
+ );
+ return hasOwnProp(Configuration.getConfigurationData(), 'supervisionUrlDistribution')
+ ? Configuration.getConfigurationData()?.supervisionUrlDistribution
+ : SupervisionUrlDistribution.ROUND_ROBIN;
}
- static getLogConsole(): boolean {
- Configuration.deprecateConfigurationKey('consoleLog', 'Use \'logConsole\' instead');
- return Configuration.objectHasOwnProperty(Configuration.getConfig(), 'logConsole') ? Configuration.getConfig().logConsole : false;
+ public static workerPoolInUse(): boolean {
+ return [WorkerProcessType.dynamicPool, WorkerProcessType.staticPool].includes(
+ Configuration.buildWorkerSection().processType!,
+ );
}
- static getLogFormat(): string {
- return Configuration.objectHasOwnProperty(Configuration.getConfig(), 'logFormat') ? Configuration.getConfig().logFormat : 'simple';
+ public static workerDynamicPoolInUse(): boolean {
+ return Configuration.buildWorkerSection().processType === WorkerProcessType.dynamicPool;
}
- static getLogRotate(): boolean {
- return Configuration.objectHasOwnProperty(Configuration.getConfig(), 'logRotate') ? Configuration.getConfig().logRotate : true;
+ private static isConfigurationSectionCached(sectionName: ConfigurationSection): boolean {
+ return Configuration.configurationSectionCache.has(sectionName);
}
- static getLogMaxFiles(): number {
- return Configuration.objectHasOwnProperty(Configuration.getConfig(), 'logMaxFiles') ? Configuration.getConfig().logMaxFiles : 7;
+ private static cacheConfigurationSection(sectionName: ConfigurationSection): void {
+ switch (sectionName) {
+ case ConfigurationSection.log:
+ Configuration.configurationSectionCache.set(sectionName, Configuration.buildLogSection());
+ break;
+ case ConfigurationSection.performanceStorage:
+ Configuration.configurationSectionCache.set(
+ sectionName,
+ Configuration.buildPerformanceStorageSection(),
+ );
+ break;
+ case ConfigurationSection.worker:
+ Configuration.configurationSectionCache.set(
+ sectionName,
+ Configuration.buildWorkerSection(),
+ );
+ break;
+ case ConfigurationSection.uiServer:
+ Configuration.configurationSectionCache.set(
+ sectionName,
+ Configuration.buildUIServerSection(),
+ );
+ break;
+ default:
+ // eslint-disable-next-line @typescript-eslint/restrict-template-expressions
+ throw new Error(`Unknown configuration section '${sectionName}'`);
+ }
}
- static getLogLevel(): string {
- return Configuration.objectHasOwnProperty(Configuration.getConfig(), 'logLevel') ? Configuration.getConfig().logLevel : 'info';
+ private static buildUIServerSection(): UIServerConfiguration {
+ if (hasOwnProp(Configuration.getConfigurationData(), 'uiWebSocketServer')) {
+ console.error(
+ `${chalk.green(Configuration.logPrefix())} ${chalk.red(
+ `Deprecated configuration section 'uiWebSocketServer' usage. Use '${ConfigurationSection.uiServer}' instead`,
+ )}`,
+ );
+ }
+ let uiServerConfiguration: UIServerConfiguration = {
+ enabled: false,
+ type: ApplicationProtocol.WS,
+ options: {
+ host: Constants.DEFAULT_UI_SERVER_HOST,
+ port: Constants.DEFAULT_UI_SERVER_PORT,
+ },
+ };
+ if (hasOwnProp(Configuration.getConfigurationData(), ConfigurationSection.uiServer)) {
+ uiServerConfiguration = merge<UIServerConfiguration>(
+ uiServerConfiguration,
+ Configuration.getConfigurationData()!.uiServer!,
+ );
+ }
+ if (isCFEnvironment() === true) {
+ delete uiServerConfiguration.options?.host;
+ uiServerConfiguration.options!.port = parseInt(process.env.PORT!);
+ }
+ return uiServerConfiguration;
}
- static getLogFile(): string {
- return Configuration.objectHasOwnProperty(Configuration.getConfig(), 'logFile') ? Configuration.getConfig().logFile : 'combined.log';
+ private static buildPerformanceStorageSection(): StorageConfiguration {
+ Configuration.warnDeprecatedConfigurationKey(
+ 'URI',
+ ConfigurationSection.performanceStorage,
+ "Use 'uri' instead",
+ );
+ let storageConfiguration: StorageConfiguration = {
+ enabled: false,
+ type: StorageType.JSON_FILE,
+ uri: Configuration.getDefaultPerformanceStorageUri(StorageType.JSON_FILE),
+ };
+ if (hasOwnProp(Configuration.getConfigurationData(), ConfigurationSection.performanceStorage)) {
+ storageConfiguration = {
+ ...storageConfiguration,
+ ...Configuration.getConfigurationData()?.performanceStorage,
+ ...(Configuration.getConfigurationData()?.performanceStorage?.type ===
+ StorageType.JSON_FILE &&
+ Configuration.getConfigurationData()?.performanceStorage?.uri && {
+ uri: Configuration.buildPerformanceUriFilePath(
+ new URL(Configuration.getConfigurationData()!.performanceStorage!.uri!).pathname,
+ ),
+ }),
+ };
+ }
+ return storageConfiguration;
}
- static getLogErrorFile(): string {
- Configuration.deprecateConfigurationKey('errorFile', 'Use \'logErrorFile\' instead');
- return Configuration.objectHasOwnProperty(Configuration.getConfig(), 'logErrorFile') ? Configuration.getConfig().logErrorFile : 'error.log';
+ private static buildLogSection(): LogConfiguration {
+ Configuration.warnDeprecatedConfigurationKey(
+ 'logEnabled',
+ undefined,
+ `Use '${ConfigurationSection.log}' section to define the logging enablement instead`,
+ );
+ Configuration.warnDeprecatedConfigurationKey(
+ 'logFile',
+ undefined,
+ `Use '${ConfigurationSection.log}' section to define the log file instead`,
+ );
+ Configuration.warnDeprecatedConfigurationKey(
+ 'logErrorFile',
+ undefined,
+ `Use '${ConfigurationSection.log}' section to define the log error file instead`,
+ );
+ Configuration.warnDeprecatedConfigurationKey(
+ 'logConsole',
+ undefined,
+ `Use '${ConfigurationSection.log}' section to define the console logging enablement instead`,
+ );
+ Configuration.warnDeprecatedConfigurationKey(
+ 'logStatisticsInterval',
+ undefined,
+ `Use '${ConfigurationSection.log}' section to define the log statistics interval instead`,
+ );
+ Configuration.warnDeprecatedConfigurationKey(
+ 'logLevel',
+ undefined,
+ `Use '${ConfigurationSection.log}' section to define the log level instead`,
+ );
+ Configuration.warnDeprecatedConfigurationKey(
+ 'logFormat',
+ undefined,
+ `Use '${ConfigurationSection.log}' section to define the log format instead`,
+ );
+ Configuration.warnDeprecatedConfigurationKey(
+ 'logRotate',
+ undefined,
+ `Use '${ConfigurationSection.log}' section to define the log rotation enablement instead`,
+ );
+ Configuration.warnDeprecatedConfigurationKey(
+ 'logMaxFiles',
+ undefined,
+ `Use '${ConfigurationSection.log}' section to define the log maximum files instead`,
+ );
+ Configuration.warnDeprecatedConfigurationKey(
+ 'logMaxSize',
+ undefined,
+ `Use '${ConfigurationSection.log}' section to define the log maximum size instead`,
+ );
+ const defaultLogConfiguration: LogConfiguration = {
+ enabled: true,
+ file: 'logs/combined.log',
+ errorFile: 'logs/error.log',
+ statisticsInterval: Constants.DEFAULT_LOG_STATISTICS_INTERVAL,
+ level: 'info',
+ format: 'simple',
+ rotate: true,
+ };
+ const deprecatedLogConfiguration: LogConfiguration = {
+ ...(hasOwnProp(Configuration.getConfigurationData(), 'logEnabled') && {
+ enabled: Configuration.getConfigurationData()?.logEnabled,
+ }),
+ ...(hasOwnProp(Configuration.getConfigurationData(), 'logFile') && {
+ file: Configuration.getConfigurationData()?.logFile,
+ }),
+ ...(hasOwnProp(Configuration.getConfigurationData(), 'logErrorFile') && {
+ errorFile: Configuration.getConfigurationData()?.logErrorFile,
+ }),
+ ...(hasOwnProp(Configuration.getConfigurationData(), 'logStatisticsInterval') && {
+ statisticsInterval: Configuration.getConfigurationData()?.logStatisticsInterval,
+ }),
+ ...(hasOwnProp(Configuration.getConfigurationData(), 'logLevel') && {
+ level: Configuration.getConfigurationData()?.logLevel,
+ }),
+ ...(hasOwnProp(Configuration.getConfigurationData(), 'logConsole') && {
+ console: Configuration.getConfigurationData()?.logConsole,
+ }),
+ ...(hasOwnProp(Configuration.getConfigurationData(), 'logFormat') && {
+ format: Configuration.getConfigurationData()?.logFormat,
+ }),
+ ...(hasOwnProp(Configuration.getConfigurationData(), 'logRotate') && {
+ rotate: Configuration.getConfigurationData()?.logRotate,
+ }),
+ ...(hasOwnProp(Configuration.getConfigurationData(), 'logMaxFiles') && {
+ maxFiles: Configuration.getConfigurationData()?.logMaxFiles,
+ }),
+ ...(hasOwnProp(Configuration.getConfigurationData(), 'logMaxSize') && {
+ maxSize: Configuration.getConfigurationData()?.logMaxSize,
+ }),
+ };
+ const logConfiguration: LogConfiguration = {
+ ...defaultLogConfiguration,
+ ...deprecatedLogConfiguration,
+ ...(hasOwnProp(Configuration.getConfigurationData(), ConfigurationSection.log) &&
+ Configuration.getConfigurationData()?.log),
+ };
+ return logConfiguration;
}
- static getSupervisionURLs(): string[] {
- // Read conf
- return Configuration.getConfig().supervisionURLs;
+ private static buildWorkerSection(): WorkerConfiguration {
+ Configuration.warnDeprecatedConfigurationKey(
+ 'useWorkerPool',
+ undefined,
+ `Use '${ConfigurationSection.worker}' section to define the type of worker process model instead`,
+ );
+ Configuration.warnDeprecatedConfigurationKey(
+ 'workerProcess',
+ undefined,
+ `Use '${ConfigurationSection.worker}' section to define the type of worker process model instead`,
+ );
+ Configuration.warnDeprecatedConfigurationKey(
+ 'workerStartDelay',
+ undefined,
+ `Use '${ConfigurationSection.worker}' section to define the worker start delay instead`,
+ );
+ Configuration.warnDeprecatedConfigurationKey(
+ 'chargingStationsPerWorker',
+ undefined,
+ `Use '${ConfigurationSection.worker}' section to define the number of element(s) per worker instead`,
+ );
+ Configuration.warnDeprecatedConfigurationKey(
+ 'elementStartDelay',
+ undefined,
+ `Use '${ConfigurationSection.worker}' section to define the worker's element start delay instead`,
+ );
+ Configuration.warnDeprecatedConfigurationKey(
+ 'workerPoolMinSize',
+ undefined,
+ `Use '${ConfigurationSection.worker}' section to define the worker pool minimum size instead`,
+ );
+ Configuration.warnDeprecatedConfigurationKey(
+ 'workerPoolSize;',
+ undefined,
+ `Use '${ConfigurationSection.worker}' section to define the worker pool maximum size instead`,
+ );
+ Configuration.warnDeprecatedConfigurationKey(
+ 'workerPoolMaxSize;',
+ undefined,
+ `Use '${ConfigurationSection.worker}' section to define the worker pool maximum size instead`,
+ );
+ Configuration.warnDeprecatedConfigurationKey(
+ 'workerPoolStrategy;',
+ undefined,
+ `Use '${ConfigurationSection.worker}' section to define the worker pool strategy instead`,
+ );
+ const defaultWorkerConfiguration: WorkerConfiguration = {
+ processType: WorkerProcessType.workerSet,
+ startDelay: DEFAULT_WORKER_START_DELAY,
+ elementsPerWorker: 'auto',
+ elementStartDelay: DEFAULT_ELEMENT_START_DELAY,
+ poolMinSize: DEFAULT_POOL_MIN_SIZE,
+ poolMaxSize: DEFAULT_POOL_MAX_SIZE,
+ };
+ hasOwnProp(Configuration.getConfigurationData(), 'workerPoolStrategy') &&
+ delete Configuration.getConfigurationData()?.workerPoolStrategy;
+ const deprecatedWorkerConfiguration: WorkerConfiguration = {
+ ...(hasOwnProp(Configuration.getConfigurationData(), 'workerProcess') && {
+ processType: Configuration.getConfigurationData()?.workerProcess,
+ }),
+ ...(hasOwnProp(Configuration.getConfigurationData(), 'workerStartDelay') && {
+ startDelay: Configuration.getConfigurationData()?.workerStartDelay,
+ }),
+ ...(hasOwnProp(Configuration.getConfigurationData(), 'chargingStationsPerWorker') && {
+ elementsPerWorker: Configuration.getConfigurationData()?.chargingStationsPerWorker,
+ }),
+ ...(hasOwnProp(Configuration.getConfigurationData(), 'elementStartDelay') && {
+ elementStartDelay: Configuration.getConfigurationData()?.elementStartDelay,
+ }),
+ ...(hasOwnProp(Configuration.getConfigurationData(), 'workerPoolMinSize') && {
+ poolMinSize: Configuration.getConfigurationData()?.workerPoolMinSize,
+ }),
+ ...(hasOwnProp(Configuration.getConfigurationData(), 'workerPoolMaxSize') && {
+ poolMaxSize: Configuration.getConfigurationData()?.workerPoolMaxSize,
+ }),
+ };
+ Configuration.warnDeprecatedConfigurationKey(
+ 'poolStrategy',
+ ConfigurationSection.worker,
+ 'Not publicly exposed to end users',
+ );
+ const workerConfiguration: WorkerConfiguration = {
+ ...defaultWorkerConfiguration,
+ ...deprecatedWorkerConfiguration,
+ ...(hasOwnProp(Configuration.getConfigurationData(), ConfigurationSection.worker) &&
+ Configuration.getConfigurationData()?.worker),
+ };
+ if (!Object.values(WorkerProcessType).includes(workerConfiguration.processType!)) {
+ throw new SyntaxError(
+ `Invalid worker process type '${workerConfiguration.processType}' defined in configuration`,
+ );
+ }
+ return workerConfiguration;
}
- static getDistributeStationsToTenantsEqually(): boolean {
- Configuration.deprecateConfigurationKey('distributeStationToTenantEqually', 'Use \'distributeStationsToTenantsEqually\' instead');
- return Configuration.objectHasOwnProperty(Configuration.getConfig(), 'distributeStationsToTenantsEqually') ? Configuration.getConfig().distributeStationsToTenantsEqually : true;
- }
+ private static logPrefix = (): string => {
+ return `${new Date().toLocaleString()} Simulator configuration |`;
+ };
- private static deprecateConfigurationKey(key: string, logMsgToAppend = '') {
- if (!Configuration.isUndefined(Configuration.getConfig()[key])) {
- console.error(`Deprecated configuration key '${key}' usage${logMsgToAppend && '. ' + logMsgToAppend}`);
+ private static warnDeprecatedConfigurationKey(
+ key: string,
+ sectionName?: string,
+ logMsgToAppend = '',
+ ) {
+ if (
+ sectionName &&
+ !isUndefined(Configuration.getConfigurationData()![sectionName as keyof ConfigurationData]) &&
+ !isUndefined(
+ (
+ Configuration.getConfigurationData()![sectionName as keyof ConfigurationData] as Record<
+ string,
+ unknown
+ >
+ )[key],
+ )
+ ) {
+ console.error(
+ `${chalk.green(Configuration.logPrefix())} ${chalk.red(
+ `Deprecated configuration key '${key}' usage in section '${sectionName}'${
+ logMsgToAppend.trim().length > 0 ? `. ${logMsgToAppend}` : ''
+ }`,
+ )}`,
+ );
+ } else if (
+ !isUndefined(Configuration.getConfigurationData()![key as keyof ConfigurationData])
+ ) {
+ console.error(
+ `${chalk.green(Configuration.logPrefix())} ${chalk.red(
+ `Deprecated configuration key '${key}' usage${
+ logMsgToAppend.trim().length > 0 ? `. ${logMsgToAppend}` : ''
+ }`,
+ )}`,
+ );
}
}
- // Read the config file
- private static getConfig(): ConfigurationData {
- if (!Configuration.configuration) {
- Configuration.configuration = JSON.parse(fs.readFileSync(Configuration.configurationFilePath, 'utf8')) as ConfigurationData;
- if (!Configuration.configurationFileWatcher) {
- Configuration.configurationFileWatcher = Configuration.getConfigurationFileWatcher();
+ private static getConfigurationData(): ConfigurationData | undefined {
+ if (!Configuration.configurationData) {
+ try {
+ Configuration.configurationData = JSON.parse(
+ readFileSync(Configuration.configurationFile, 'utf8'),
+ ) as ConfigurationData;
+ if (!Configuration.configurationFileWatcher) {
+ Configuration.configurationFileWatcher = Configuration.getConfigurationFileWatcher();
+ }
+ } catch (error) {
+ Configuration.handleFileException(
+ Configuration.configurationFile,
+ FileType.Configuration,
+ error as NodeJS.ErrnoException,
+ Configuration.logPrefix(),
+ );
}
}
- return Configuration.configuration;
+ return Configuration.configurationData;
}
- 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 getConfigurationFileWatcher(): FSWatcher | undefined {
+ try {
+ return watch(Configuration.configurationFile, (event, filename): void => {
+ if (filename!.trim()!.length > 0 && event === 'change') {
+ delete Configuration.configurationData;
+ Configuration.configurationSectionCache.clear();
+ if (!isUndefined(Configuration.configurationChangeCallback)) {
+ Configuration.configurationChangeCallback!().catch((error) => {
+ throw typeof error === 'string' ? new Error(error) : error;
+ });
+ }
+ }
+ });
+ } catch (error) {
+ Configuration.handleFileException(
+ Configuration.configurationFile,
+ FileType.Configuration,
+ error as NodeJS.ErrnoException,
+ Configuration.logPrefix(),
+ );
+ }
+ }
+
+ private static handleFileException(
+ file: string,
+ fileType: FileType,
+ error: NodeJS.ErrnoException,
+ logPrefix: string,
+ ): void {
+ const prefix = isNotEmptyString(logPrefix) ? `${logPrefix} ` : '';
+ let logMsg: string;
+ switch (error.code) {
+ case 'ENOENT':
+ logMsg = `${fileType} file ${file} not found:`;
+ break;
+ case 'EEXIST':
+ logMsg = `${fileType} file ${file} already exists:`;
+ break;
+ case 'EACCES':
+ logMsg = `${fileType} file ${file} access denied:`;
+ break;
+ case 'EPERM':
+ logMsg = `${fileType} file ${file} permission denied:`;
+ break;
+ default:
+ logMsg = `${fileType} file ${file} error:`;
+ }
+ console.error(`${chalk.green(prefix)}${chalk.red(`${logMsg} `)}`, error);
+ throw error;
}
- private static objectHasOwnProperty(object: any, property: string): boolean {
- return Object.prototype.hasOwnProperty.call(object, property);
+ private static getDefaultPerformanceStorageUri(storageType: StorageType) {
+ switch (storageType) {
+ case StorageType.JSON_FILE:
+ return Configuration.buildPerformanceUriFilePath(
+ `${Constants.DEFAULT_PERFORMANCE_DIRECTORY}/${Constants.DEFAULT_PERFORMANCE_RECORDS_FILENAME}`,
+ );
+ case StorageType.SQLITE:
+ return Configuration.buildPerformanceUriFilePath(
+ `${Constants.DEFAULT_PERFORMANCE_DIRECTORY}/${Constants.DEFAULT_PERFORMANCE_RECORDS_DB_NAME}.db`,
+ );
+ default:
+ throw new Error(`Performance storage URI is mandatory with storage type '${storageType}'`);
+ }
}
- private static isUndefined(obj: any): boolean {
- return typeof obj === 'undefined';
+ private static buildPerformanceUriFilePath(file: string) {
+ return `file://${join(resolve(dirname(fileURLToPath(import.meta.url)), '../'), file)}`;
}
}