-import ConfigurationData, { StationTemplateURL } from '../types/ConfigurationData';
+import ConfigurationData, {
+ ServerOptions,
+ StationTemplateUrl,
+ StorageConfiguration,
+ SupervisionUrlDistribution,
+ UIServerConfiguration,
+} from '../types/ConfigurationData';
-import Utils from './Utils';
+import Constants from './Constants';
+import { EmptyObject } from '../types/EmptyObject';
+import { FileType } from '../types/FileType';
+import { HandleErrorParams } from '../types/Error';
+import { StorageType } from '../types/Storage';
+import type { WorkerChoiceStrategy } from 'poolifier';
+import WorkerConstants from '../worker/WorkerConstants';
+import { WorkerProcessType } from '../types/Worker';
+import chalk from 'chalk';
import fs from 'fs';
+import path from 'path';
export default class Configuration {
- static configuration: ConfigurationData;
+ private static configurationFile = path.join(
+ path.resolve(__dirname, '../'),
+ 'assets',
+ 'config.json'
+ );
- // Read the config file
- static getConfig(): ConfigurationData {
- if (!Configuration.configuration) {
- Configuration.configuration = JSON.parse(fs.readFileSync('./src/assets/config.json', 'utf8')) as ConfigurationData;
- }
- return Configuration.configuration;
+ 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 {
+ static getLogStatisticsInterval(): number {
+ Configuration.warnDeprecatedConfigurationKey(
+ 'statisticsDisplayInterval',
+ null,
+ "Use 'logStatisticsInterval' instead"
+ );
// Read conf
- return Utils.objectHasOwnProperty(Configuration.getConfig(), 'statisticsDisplayInterval') ? Configuration.getConfig().statisticsDisplayInterval : 60;
+ return Configuration.objectHasOwnProperty(Configuration.getConfig(), 'logStatisticsInterval')
+ ? Configuration.getConfig().logStatisticsInterval
+ : Constants.DEFAULT_LOG_STATISTICS_INTERVAL;
}
- static getAutoReconnectTimeout(): number {
- // Read conf
- return Utils.objectHasOwnProperty(Configuration.getConfig(), 'autoReconnectTimeout') ? Configuration.getConfig().autoReconnectTimeout : 10;
+ static getUIServer(): UIServerConfiguration {
+ if (Configuration.objectHasOwnProperty(Configuration.getConfig(), 'uiWebSocketServer')) {
+ console.error(
+ chalk`{green ${Configuration.logPrefix()}} {red Deprecated configuration section 'uiWebSocketServer' usage. Use 'uiServer' instead}`
+ );
+ }
+ let options: ServerOptions = {
+ host: Constants.DEFAULT_UI_WEBSOCKET_SERVER_HOST,
+ port: Constants.DEFAULT_UI_WEBSOCKET_SERVER_PORT,
+ };
+ let uiServerConfiguration: UIServerConfiguration = {
+ enabled: true,
+ options,
+ };
+ if (Configuration.objectHasOwnProperty(Configuration.getConfig(), 'uiServer')) {
+ if (Configuration.objectHasOwnProperty(Configuration.getConfig().uiServer, 'options')) {
+ options = {
+ ...options,
+ ...(Configuration.objectHasOwnProperty(
+ Configuration.getConfig().uiServer.options,
+ 'host'
+ ) && { host: Configuration.getConfig().uiServer.options.host }),
+ ...(Configuration.objectHasOwnProperty(
+ Configuration.getConfig().uiServer.options,
+ 'port'
+ ) && { port: Configuration.getConfig().uiServer.options.port }),
+ };
+ }
+ uiServerConfiguration = {
+ ...uiServerConfiguration,
+ ...(Configuration.objectHasOwnProperty(Configuration.getConfig().uiServer, 'enabled') && {
+ enabled: Configuration.getConfig().uiServer.enabled,
+ }),
+ options,
+ };
+ }
+ return uiServerConfiguration;
+ }
+
+ static getPerformanceStorage(): StorageConfiguration {
+ Configuration.warnDeprecatedConfigurationKey('URI', 'performanceStorage', "Use 'uri' instead");
+ let storageConfiguration: StorageConfiguration = {
+ enabled: false,
+ type: StorageType.JSON_FILE,
+ uri: this.getDefaultPerformanceStorageUri(StorageType.JSON_FILE),
+ };
+ if (Configuration.objectHasOwnProperty(Configuration.getConfig(), 'performanceStorage')) {
+ storageConfiguration = {
+ ...storageConfiguration,
+ ...(Configuration.objectHasOwnProperty(
+ Configuration.getConfig().performanceStorage,
+ 'enabled'
+ ) && { enabled: Configuration.getConfig().performanceStorage.enabled }),
+ ...(Configuration.objectHasOwnProperty(
+ Configuration.getConfig().performanceStorage,
+ 'type'
+ ) && { type: Configuration.getConfig().performanceStorage.type }),
+ ...(Configuration.objectHasOwnProperty(
+ Configuration.getConfig().performanceStorage,
+ 'uri'
+ ) && {
+ uri: this.getDefaultPerformanceStorageUri(
+ Configuration.getConfig()?.performanceStorage?.type ?? StorageType.JSON_FILE
+ ),
+ }),
+ };
+ }
+ return storageConfiguration;
}
static getAutoReconnectMaxRetries(): number {
+ Configuration.warnDeprecatedConfigurationKey(
+ 'autoReconnectTimeout',
+ null,
+ "Use 'ConnectionTimeOut' OCPP parameter in charging station template instead"
+ );
+ Configuration.warnDeprecatedConfigurationKey(
+ 'connectionTimeout',
+ null,
+ "Use 'ConnectionTimeOut' OCPP parameter in charging station template instead"
+ );
+ Configuration.warnDeprecatedConfigurationKey(
+ 'autoReconnectMaxRetries',
+ null,
+ 'Use it in charging station template instead'
+ );
// Read conf
- return Utils.objectHasOwnProperty(Configuration.getConfig(), 'autoReconnectMaxRetries') ? Configuration.getConfig().autoReconnectMaxRetries : -1;
+ if (Configuration.objectHasOwnProperty(Configuration.getConfig(), 'autoReconnectMaxRetries')) {
+ return Configuration.getConfig().autoReconnectMaxRetries;
+ }
}
- static getStationTemplateURLs(): StationTemplateURL[] {
+ static getStationTemplateUrls(): StationTemplateUrl[] {
+ Configuration.warnDeprecatedConfigurationKey(
+ 'stationTemplateURLs',
+ null,
+ "Use 'stationTemplateUrls' instead"
+ );
+ !Configuration.isUndefined(Configuration.getConfig()['stationTemplateURLs']) &&
+ (Configuration.getConfig().stationTemplateUrls = Configuration.getConfig()[
+ 'stationTemplateURLs'
+ ] as StationTemplateUrl[]);
+ Configuration.getConfig().stationTemplateUrls.forEach((stationUrl: StationTemplateUrl) => {
+ if (!Configuration.isUndefined(stationUrl['numberOfStation'])) {
+ console.error(
+ chalk`{green ${Configuration.logPrefix()}} {red Deprecated configuration key 'numberOfStation' usage for template file '${
+ stationUrl.file
+ }' in 'stationTemplateUrls'. Use 'numberOfStations' instead}`
+ );
+ }
+ });
// Read conf
- return Configuration.getConfig().stationTemplateURLs;
+ return Configuration.getConfig().stationTemplateUrls;
+ }
+
+ static getWorkerProcess(): WorkerProcessType {
+ Configuration.warnDeprecatedConfigurationKey(
+ 'useWorkerPool',
+ null,
+ "Use 'workerProcess' to define the type of worker process model 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
+ : WorkerConstants.DEFAULT_WORKER_START_DELAY;
+ }
+
+ static getElementStartDelay(): number {
+ return Configuration.objectHasOwnProperty(Configuration.getConfig(), 'elementStartDelay')
+ ? Configuration.getConfig().elementStartDelay
+ : WorkerConstants.DEFAULT_ELEMENT_START_DELAY;
+ }
+
+ static getWorkerPoolMinSize(): number {
+ return Configuration.objectHasOwnProperty(Configuration.getConfig(), 'workerPoolMinSize')
+ ? Configuration.getConfig().workerPoolMinSize
+ : WorkerConstants.DEFAULT_POOL_MIN_SIZE;
}
- static useWorkerPool(): boolean {
- return Configuration.getConfig().useWorkerPool;
+ static getWorkerPoolMaxSize(): number {
+ Configuration.warnDeprecatedConfigurationKey(
+ 'workerPoolSize;',
+ null,
+ "Use 'workerPoolMaxSize' instead"
+ );
+ return Configuration.objectHasOwnProperty(Configuration.getConfig(), 'workerPoolMaxSize')
+ ? Configuration.getConfig().workerPoolMaxSize
+ : WorkerConstants.DEFAULT_POOL_MAX_SIZE;
}
- static getWorkerPoolSize(): number {
- return Configuration.getConfig().workerPoolSize;
+ static getWorkerPoolStrategy(): WorkerChoiceStrategy {
+ return Configuration.getConfig().workerPoolStrategy;
+ }
+
+ static getChargingStationsPerWorker(): number {
+ return Configuration.objectHasOwnProperty(
+ Configuration.getConfig(),
+ 'chargingStationsPerWorker'
+ )
+ ? Configuration.getConfig().chargingStationsPerWorker
+ : WorkerConstants.DEFAULT_ELEMENTS_PER_WORKER;
}
static getLogConsole(): boolean {
- return Utils.objectHasOwnProperty(Configuration.getConfig(), 'logConsole') ? Configuration.getConfig().logConsole : false;
+ Configuration.warnDeprecatedConfigurationKey('consoleLog', null, "Use 'logConsole' instead");
+ return Configuration.objectHasOwnProperty(Configuration.getConfig(), 'logConsole')
+ ? Configuration.getConfig().logConsole
+ : false;
}
static getLogFormat(): string {
- return Utils.objectHasOwnProperty(Configuration.getConfig(), 'logFormat') ? Configuration.getConfig().logFormat : 'simple';
+ return Configuration.objectHasOwnProperty(Configuration.getConfig(), 'logFormat')
+ ? Configuration.getConfig().logFormat
+ : 'simple';
+ }
+
+ static getLogRotate(): boolean {
+ return Configuration.objectHasOwnProperty(Configuration.getConfig(), 'logRotate')
+ ? Configuration.getConfig().logRotate
+ : true;
+ }
+
+ static getLogMaxFiles(): number {
+ return Configuration.objectHasOwnProperty(Configuration.getConfig(), 'logMaxFiles')
+ ? Configuration.getConfig().logMaxFiles
+ : 7;
}
static getLogLevel(): string {
- return Utils.objectHasOwnProperty(Configuration.getConfig(), 'logLevel') ? Configuration.getConfig().logLevel : 'info';
+ return Configuration.objectHasOwnProperty(Configuration.getConfig(), 'logLevel')
+ ? Configuration.getConfig().logLevel.toLowerCase()
+ : 'info';
}
static getLogFile(): string {
- return Utils.objectHasOwnProperty(Configuration.getConfig(), 'logFile') ? Configuration.getConfig().logFile : 'combined.log';
+ return Configuration.objectHasOwnProperty(Configuration.getConfig(), 'logFile')
+ ? Configuration.getConfig().logFile
+ : 'combined.log';
}
static getLogErrorFile(): string {
- return Utils.objectHasOwnProperty(Configuration.getConfig(), 'logErrorFile') ? Configuration.getConfig().logErrorFile : 'error.log';
+ Configuration.warnDeprecatedConfigurationKey('errorFile', null, "Use 'logErrorFile' instead");
+ return Configuration.objectHasOwnProperty(Configuration.getConfig(), 'logErrorFile')
+ ? Configuration.getConfig().logErrorFile
+ : 'error.log';
}
- static getSupervisionURLs(): string[] {
+ static getSupervisionUrls(): string | string[] {
+ Configuration.warnDeprecatedConfigurationKey(
+ 'supervisionURLs',
+ null,
+ "Use 'supervisionUrls' instead"
+ );
+ !Configuration.isUndefined(Configuration.getConfig()['supervisionURLs']) &&
+ (Configuration.getConfig().supervisionUrls = Configuration.getConfig()[
+ 'supervisionURLs'
+ ] as string[]);
// Read conf
- return Configuration.getConfig().supervisionURLs;
+ return Configuration.getConfig().supervisionUrls;
}
- static getDistributeStationToTenantEqually(): boolean {
- return Utils.objectHasOwnProperty(Configuration.getConfig(), 'distributeStationToTenantEqually') ? Configuration.getConfig().distributeStationToTenantEqually : true;
+ static getSupervisionUrlDistribution(): SupervisionUrlDistribution {
+ Configuration.warnDeprecatedConfigurationKey(
+ 'distributeStationToTenantEqually',
+ null,
+ "Use 'supervisionUrlDistribution' instead"
+ );
+ Configuration.warnDeprecatedConfigurationKey(
+ 'distributeStationsToTenantsEqually',
+ null,
+ "Use 'supervisionUrlDistribution' instead"
+ );
+ return Configuration.objectHasOwnProperty(
+ Configuration.getConfig(),
+ 'supervisionUrlDistribution'
+ )
+ ? Configuration.getConfig().supervisionUrlDistribution
+ : SupervisionUrlDistribution.ROUND_ROBIN;
+ }
+
+ private static logPrefix(): string {
+ return new Date().toLocaleString() + ' Simulator configuration |';
+ }
+
+ private static warnDeprecatedConfigurationKey(
+ key: string,
+ sectionName?: string,
+ logMsgToAppend = ''
+ ) {
+ if (
+ sectionName &&
+ !Configuration.isUndefined(Configuration.getConfig()[sectionName]) &&
+ !Configuration.isUndefined(
+ (Configuration.getConfig()[sectionName] as Record<string, unknown>)[key]
+ )
+ ) {
+ console.error(
+ chalk`{green ${Configuration.logPrefix()}} {red Deprecated configuration key '${key}' usage in section '${sectionName}'${
+ logMsgToAppend && '. ' + logMsgToAppend
+ }}`
+ );
+ } else if (!Configuration.isUndefined(Configuration.getConfig()[key])) {
+ console.error(
+ chalk`{green ${Configuration.logPrefix()}} {red Deprecated configuration key '${key}' usage${
+ logMsgToAppend && '. ' + logMsgToAppend
+ }}`
+ );
+ }
+ }
+
+ // Read the config file
+ private static getConfig(): ConfigurationData {
+ if (!Configuration.configuration) {
+ try {
+ Configuration.configuration = JSON.parse(
+ fs.readFileSync(Configuration.configurationFile, 'utf8')
+ ) as ConfigurationData;
+ } catch (error) {
+ Configuration.handleFileException(
+ Configuration.logPrefix(),
+ FileType.Configuration,
+ Configuration.configurationFile,
+ error as NodeJS.ErrnoException
+ );
+ }
+ if (!Configuration.configurationFileWatcher) {
+ Configuration.configurationFileWatcher = Configuration.getConfigurationFileWatcher();
+ }
+ }
+ return Configuration.configuration;
+ }
+
+ private static getConfigurationFileWatcher(): fs.FSWatcher {
+ try {
+ return fs.watch(Configuration.configurationFile, (event, filename): void => {
+ if (filename && event === 'change') {
+ // Nullify to force configuration file reading
+ Configuration.configuration = null;
+ if (!Configuration.isUndefined(Configuration.configurationChangeCallback)) {
+ Configuration.configurationChangeCallback().catch((error) => {
+ throw typeof error === 'string' ? new Error(error) : error;
+ });
+ }
+ }
+ });
+ } catch (error) {
+ Configuration.handleFileException(
+ Configuration.logPrefix(),
+ FileType.Configuration,
+ Configuration.configurationFile,
+ error as NodeJS.ErrnoException
+ );
+ }
+ }
+
+ private static getDefaultPerformanceStorageUri(storageType: StorageType) {
+ const SQLiteFileName = `${Constants.DEFAULT_PERFORMANCE_RECORDS_DB_NAME}.db`;
+ switch (storageType) {
+ case StorageType.JSON_FILE:
+ return `file://${path.join(
+ path.resolve(__dirname, '../../'),
+ Constants.DEFAULT_PERFORMANCE_RECORDS_FILENAME
+ )}`;
+ case StorageType.SQLITE:
+ return `file://${path.join(path.resolve(__dirname, '../../'), SQLiteFileName)}`;
+ default:
+ throw new Error(`Performance storage URI is mandatory with storage type '${storageType}'`);
+ }
+ }
+
+ private static objectHasOwnProperty(object: unknown, property: string): boolean {
+ return Object.prototype.hasOwnProperty.call(object, property) as boolean;
+ }
+
+ private static isUndefined(obj: unknown): boolean {
+ return typeof obj === 'undefined';
+ }
+
+ private static handleFileException(
+ logPrefix: string,
+ fileType: FileType,
+ filePath: string,
+ error: NodeJS.ErrnoException,
+ params: HandleErrorParams<EmptyObject> = { throwError: true }
+ ): void {
+ const prefix = logPrefix.length !== 0 ? logPrefix + ' ' : '';
+ if (error.code === 'ENOENT') {
+ console.error(
+ chalk.green(prefix) + chalk.red(fileType + ' file ' + filePath + ' not found: '),
+ error
+ );
+ } else if (error.code === 'EEXIST') {
+ console.error(
+ chalk.green(prefix) + chalk.red(fileType + ' file ' + filePath + ' already exists: '),
+ error
+ );
+ } else if (error.code === 'EACCES') {
+ console.error(
+ chalk.green(prefix) + chalk.red(fileType + ' file ' + filePath + ' access denied: '),
+ error
+ );
+ } else {
+ console.error(
+ chalk.green(prefix) + chalk.red(fileType + ' file ' + filePath + ' error: '),
+ error
+ );
+ }
+ if (params?.throwError) {
+ throw error;
+ }
}
}