X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;f=src%2Futils%2FConfiguration.ts;h=b67afd447ae0f2ebc7a6f80f53bdfa5f57dfdf8f;hb=ae389044af7cfc9661bc53658ea405f4f1ae84ae;hp=9ab2582d140d54ddb068aaac229aeba9577734b1;hpb=2484ac1e71dc33f01b965b5898b319de938cf90d;p=e-mobility-charging-stations-simulator.git

diff --git a/src/utils/Configuration.ts b/src/utils/Configuration.ts
index 9ab2582d..b67afd44 100644
--- a/src/utils/Configuration.ts
+++ b/src/utils/Configuration.ts
@@ -1,296 +1,338 @@
-import ConfigurationData, {
-  StationTemplateUrl,
-  StorageConfiguration,
-  SupervisionUrlDistribution,
-  UIWebSocketServerConfiguration,
-} from '../types/ConfigurationData';
-
-import Constants from './Constants';
-import { EmptyObject } from '../types/EmptyObject';
-import { FileType } from '../types/FileType';
-import { HandleErrorParams } from '../types/Error';
-import { ServerOptions } from 'ws';
-import { StorageType } from '../types/Storage';
-import type { WorkerChoiceStrategy } from 'poolifier';
-import WorkerConstants from '../worker/WorkerConstants';
-import { WorkerProcessType } from '../types/Worker';
+import fs from 'node:fs';
+import path from 'node:path';
+import { fileURLToPath } from 'node:url';
+
 import chalk from 'chalk';
-import fs from 'fs';
-import path from 'path';
+import merge from 'just-merge';
+import { WorkerChoiceStrategies } from 'poolifier';
+
+import { Constants } from './Constants';
+import { Utils } from './Utils';
+import {
+  ApplicationProtocol,
+  type ConfigurationData,
+  FileType,
+  type StationTemplateUrl,
+  type StorageConfiguration,
+  StorageType,
+  SupervisionUrlDistribution,
+  type UIServerConfiguration,
+  type WorkerConfiguration,
+} from '../types';
+import { WorkerConstants, WorkerProcessType } from '../worker';
 
-export default class Configuration {
+export class Configuration {
   private static configurationFile = path.join(
-    path.resolve(__dirname, '../'),
+    path.dirname(fileURLToPath(import.meta.url)),
     'assets',
     'config.json'
   );
 
-  private static configurationFileWatcher: fs.FSWatcher;
+  private static configurationFileWatcher: fs.FSWatcher | undefined;
   private static configuration: ConfigurationData | null = null;
   private static configurationChangeCallback: () => Promise<void>;
 
-  static setConfigurationChangeCallback(cb: () => Promise<void>): void {
+  private constructor() {
+    // This is intentional
+  }
+
+  public static setConfigurationChangeCallback(cb: () => Promise<void>): void {
     Configuration.configurationChangeCallback = cb;
   }
 
-  static getLogStatisticsInterval(): number {
+  public static getLogStatisticsInterval(): number | undefined {
     Configuration.warnDeprecatedConfigurationKey(
       'statisticsDisplayInterval',
-      null,
+      undefined,
       "Use 'logStatisticsInterval' instead"
     );
     // Read conf
-    return Configuration.objectHasOwnProperty(Configuration.getConfig(), 'logStatisticsInterval')
-      ? Configuration.getConfig().logStatisticsInterval
+    return Utils.hasOwnProp(Configuration.getConfig(), 'logStatisticsInterval')
+      ? Configuration.getConfig()?.logStatisticsInterval
       : Constants.DEFAULT_LOG_STATISTICS_INTERVAL;
   }
 
-  static getUIWebSocketServer(): UIWebSocketServerConfiguration {
-    let options: ServerOptions = {
-      host: Constants.DEFAULT_UI_WEBSOCKET_SERVER_HOST,
-      port: Constants.DEFAULT_UI_WEBSOCKET_SERVER_PORT,
-    };
-    let uiWebSocketServerConfiguration: UIWebSocketServerConfiguration = {
-      enabled: true,
-      options,
+  public static getUIServer(): UIServerConfiguration {
+    if (Utils.hasOwnProp(Configuration.getConfig(), 'uiWebSocketServer')) {
+      console.error(
+        `${chalk.green(Configuration.logPrefix())} ${chalk.red(
+          "Deprecated configuration section 'uiWebSocketServer' usage. Use 'uiServer' instead"
+        )}`
+      );
+    }
+    let uiServerConfiguration: UIServerConfiguration = {
+      enabled: false,
+      type: ApplicationProtocol.WS,
+      options: {
+        host: Constants.DEFAULT_UI_SERVER_HOST,
+        port: Constants.DEFAULT_UI_SERVER_PORT,
+      },
     };
-    if (Configuration.objectHasOwnProperty(Configuration.getConfig(), 'uiWebSocketServer')) {
-      if (
-        Configuration.objectHasOwnProperty(Configuration.getConfig().uiWebSocketServer, 'options')
-      ) {
-        options = {
-          ...options,
-          ...(Configuration.objectHasOwnProperty(
-            Configuration.getConfig().uiWebSocketServer.options,
-            'host'
-          ) && { host: Configuration.getConfig().uiWebSocketServer.options.host }),
-          ...(Configuration.objectHasOwnProperty(
-            Configuration.getConfig().uiWebSocketServer.options,
-            'port'
-          ) && { port: Configuration.getConfig().uiWebSocketServer.options.port }),
-        };
-      }
-      uiWebSocketServerConfiguration = {
-        ...uiWebSocketServerConfiguration,
-        ...(Configuration.objectHasOwnProperty(
-          Configuration.getConfig().uiWebSocketServer,
-          'enabled'
-        ) && { enabled: Configuration.getConfig().uiWebSocketServer.enabled }),
-        options,
-      };
+    if (Utils.hasOwnProp(Configuration.getConfig(), 'uiServer')) {
+      uiServerConfiguration = merge<UIServerConfiguration>(
+        uiServerConfiguration,
+        Configuration.getConfig()?.uiServer
+      );
+    }
+    if (Utils.isCFEnvironment() === true) {
+      delete uiServerConfiguration.options?.host;
+      uiServerConfiguration.options.port = parseInt(process.env.PORT);
     }
-    return uiWebSocketServerConfiguration;
+    return uiServerConfiguration;
   }
 
-  static getPerformanceStorage(): StorageConfiguration {
+  public 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')) {
+    if (Utils.hasOwnProp(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
-          ),
-        }),
+        ...Configuration.getConfig()?.performanceStorage,
+        ...(Configuration.getConfig()?.performanceStorage?.type === StorageType.JSON_FILE &&
+          Configuration.getConfig()?.performanceStorage?.uri && {
+            uri: Configuration.buildPerformanceUriFilePath(
+              new URL(Configuration.getConfig()?.performanceStorage?.uri).pathname
+            ),
+          }),
       };
     }
     return storageConfiguration;
   }
 
-  static getAutoReconnectMaxRetries(): number {
+  public static getAutoReconnectMaxRetries(): number | undefined {
     Configuration.warnDeprecatedConfigurationKey(
       'autoReconnectTimeout',
-      null,
+      undefined,
       "Use 'ConnectionTimeOut' OCPP parameter in charging station template instead"
     );
     Configuration.warnDeprecatedConfigurationKey(
       'connectionTimeout',
-      null,
+      undefined,
       "Use 'ConnectionTimeOut' OCPP parameter in charging station template instead"
     );
     Configuration.warnDeprecatedConfigurationKey(
       'autoReconnectMaxRetries',
-      null,
+      undefined,
       'Use it in charging station template instead'
     );
     // Read conf
-    if (Configuration.objectHasOwnProperty(Configuration.getConfig(), 'autoReconnectMaxRetries')) {
-      return Configuration.getConfig().autoReconnectMaxRetries;
+    if (Utils.hasOwnProp(Configuration.getConfig(), 'autoReconnectMaxRetries')) {
+      return Configuration.getConfig()?.autoReconnectMaxRetries;
     }
   }
 
-  static getStationTemplateUrls(): StationTemplateUrl[] {
+  public static getStationTemplateUrls(): StationTemplateUrl[] | undefined {
     Configuration.warnDeprecatedConfigurationKey(
       'stationTemplateURLs',
-      null,
+      undefined,
       "Use 'stationTemplateUrls' instead"
     );
-    !Configuration.isUndefined(Configuration.getConfig()['stationTemplateURLs']) &&
+    !Utils.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}`
-        );
+    Configuration.getConfig().stationTemplateUrls.forEach(
+      (stationTemplateUrl: StationTemplateUrl) => {
+        if (!Utils.isUndefined(stationTemplateUrl['numberOfStation'])) {
+          console.error(
+            `${chalk.green(Configuration.logPrefix())} ${chalk.red(
+              `Deprecated configuration key 'numberOfStation' usage for template file '${stationTemplateUrl.file}' in 'stationTemplateUrls'. Use 'numberOfStations' instead`
+            )}`
+          );
+        }
       }
-    });
+    );
     // Read conf
-    return Configuration.getConfig().stationTemplateUrls;
+    return Configuration.getConfig()?.stationTemplateUrls;
   }
 
-  static getWorkerProcess(): WorkerProcessType {
+  public static getWorker(): WorkerConfiguration {
     Configuration.warnDeprecatedConfigurationKey(
       'useWorkerPool',
-      null,
-      "Use 'workerProcess' to define the type of worker process model to use instead"
+      undefined,
+      "Use 'worker' section to define the type of worker process model instead"
+    );
+    Configuration.warnDeprecatedConfigurationKey(
+      'workerProcess',
+      undefined,
+      "Use 'worker' section to define the type of worker process model instead"
+    );
+    Configuration.warnDeprecatedConfigurationKey(
+      'workerStartDelay',
+      undefined,
+      "Use 'worker' section to define the worker start delay instead"
     );
-    return Configuration.objectHasOwnProperty(Configuration.getConfig(), 'workerProcess')
-      ? Configuration.getConfig().workerProcess
-      : WorkerProcessType.WORKER_SET;
+    Configuration.warnDeprecatedConfigurationKey(
+      'chargingStationsPerWorker',
+      undefined,
+      "Use 'worker' section to define the number of element(s) per worker instead"
+    );
+    Configuration.warnDeprecatedConfigurationKey(
+      'elementStartDelay',
+      undefined,
+      "Use 'worker' section to define the worker's element start delay instead"
+    );
+    Configuration.warnDeprecatedConfigurationKey(
+      'workerPoolMinSize',
+      undefined,
+      "Use 'worker' section to define the worker pool minimum size instead"
+    );
+    Configuration.warnDeprecatedConfigurationKey(
+      'workerPoolSize;',
+      undefined,
+      "Use 'worker' section to define the worker pool maximum size instead"
+    );
+    Configuration.warnDeprecatedConfigurationKey(
+      'workerPoolMaxSize;',
+      undefined,
+      "Use 'worker' section to define the worker pool maximum size instead"
+    );
+    Configuration.warnDeprecatedConfigurationKey(
+      'workerPoolStrategy;',
+      undefined,
+      "Use 'worker' section to define the worker pool strategy instead"
+    );
+    let workerConfiguration: WorkerConfiguration = {
+      processType: Utils.hasOwnProp(Configuration.getConfig(), 'workerProcess')
+        ? Configuration.getConfig()?.workerProcess
+        : WorkerProcessType.workerSet,
+      startDelay: Utils.hasOwnProp(Configuration.getConfig(), 'workerStartDelay')
+        ? Configuration.getConfig()?.workerStartDelay
+        : WorkerConstants.DEFAULT_WORKER_START_DELAY,
+      elementsPerWorker: Utils.hasOwnProp(Configuration.getConfig(), 'chargingStationsPerWorker')
+        ? Configuration.getConfig()?.chargingStationsPerWorker
+        : WorkerConstants.DEFAULT_ELEMENTS_PER_WORKER,
+      elementStartDelay: Utils.hasOwnProp(Configuration.getConfig(), 'elementStartDelay')
+        ? Configuration.getConfig()?.elementStartDelay
+        : WorkerConstants.DEFAULT_ELEMENT_START_DELAY,
+      poolMinSize: Utils.hasOwnProp(Configuration.getConfig(), 'workerPoolMinSize')
+        ? Configuration.getConfig()?.workerPoolMinSize
+        : WorkerConstants.DEFAULT_POOL_MIN_SIZE,
+      poolMaxSize: Utils.hasOwnProp(Configuration.getConfig(), 'workerPoolMaxSize')
+        ? Configuration.getConfig()?.workerPoolMaxSize
+        : WorkerConstants.DEFAULT_POOL_MAX_SIZE,
+      poolStrategy:
+        Configuration.getConfig()?.workerPoolStrategy ?? WorkerChoiceStrategies.ROUND_ROBIN,
+    };
+    if (Utils.hasOwnProp(Configuration.getConfig(), 'worker')) {
+      workerConfiguration = { ...workerConfiguration, ...Configuration.getConfig()?.worker };
+    }
+    return workerConfiguration;
   }
 
-  static getWorkerStartDelay(): number {
-    return Configuration.objectHasOwnProperty(Configuration.getConfig(), 'workerStartDelay')
-      ? Configuration.getConfig().workerStartDelay
-      : WorkerConstants.DEFAULT_WORKER_START_DELAY;
+  public static workerPoolInUse(): boolean {
+    return [WorkerProcessType.dynamicPool, WorkerProcessType.staticPool].includes(
+      Configuration.getWorker().processType
+    );
   }
 
-  static getElementStartDelay(): number {
-    return Configuration.objectHasOwnProperty(Configuration.getConfig(), 'elementStartDelay')
-      ? Configuration.getConfig().elementStartDelay
-      : WorkerConstants.DEFAULT_ELEMENT_START_DELAY;
+  public static workerDynamicPoolInUse(): boolean {
+    return Configuration.getWorker().processType === WorkerProcessType.dynamicPool;
   }
 
-  static getWorkerPoolMinSize(): number {
-    return Configuration.objectHasOwnProperty(Configuration.getConfig(), 'workerPoolMinSize')
-      ? Configuration.getConfig().workerPoolMinSize
-      : WorkerConstants.DEFAULT_POOL_MIN_SIZE;
+  public static getLogEnabled(): boolean | undefined {
+    return Utils.hasOwnProp(Configuration.getConfig(), 'logEnabled')
+      ? Configuration.getConfig()?.logEnabled
+      : true;
   }
 
-  static getWorkerPoolMaxSize(): number {
+  public static getLogConsole(): boolean | undefined {
     Configuration.warnDeprecatedConfigurationKey(
-      'workerPoolSize;',
-      null,
-      "Use 'workerPoolMaxSize' instead"
+      'consoleLog',
+      undefined,
+      "Use 'logConsole' instead"
     );
-    return Configuration.objectHasOwnProperty(Configuration.getConfig(), 'workerPoolMaxSize')
-      ? Configuration.getConfig().workerPoolMaxSize
-      : WorkerConstants.DEFAULT_POOL_MAX_SIZE;
-  }
-
-  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 {
-    Configuration.warnDeprecatedConfigurationKey('consoleLog', null, "Use 'logConsole' instead");
-    return Configuration.objectHasOwnProperty(Configuration.getConfig(), 'logConsole')
-      ? Configuration.getConfig().logConsole
+    return Utils.hasOwnProp(Configuration.getConfig(), 'logConsole')
+      ? Configuration.getConfig()?.logConsole
       : false;
   }
 
-  static getLogFormat(): string {
-    return Configuration.objectHasOwnProperty(Configuration.getConfig(), 'logFormat')
-      ? Configuration.getConfig().logFormat
+  public static getLogFormat(): string | undefined {
+    return Utils.hasOwnProp(Configuration.getConfig(), 'logFormat')
+      ? Configuration.getConfig()?.logFormat
       : 'simple';
   }
 
-  static getLogRotate(): boolean {
-    return Configuration.objectHasOwnProperty(Configuration.getConfig(), 'logRotate')
-      ? Configuration.getConfig().logRotate
+  public static getLogRotate(): boolean | undefined {
+    return Utils.hasOwnProp(Configuration.getConfig(), 'logRotate')
+      ? Configuration.getConfig()?.logRotate
       : true;
   }
 
-  static getLogMaxFiles(): number {
-    return Configuration.objectHasOwnProperty(Configuration.getConfig(), 'logMaxFiles')
-      ? Configuration.getConfig().logMaxFiles
-      : 7;
+  public static getLogMaxFiles(): number | string | false | undefined {
+    return (
+      Utils.hasOwnProp(Configuration.getConfig(), 'logMaxFiles') &&
+      Configuration.getConfig()?.logMaxFiles
+    );
   }
 
-  static getLogLevel(): string {
-    return Configuration.objectHasOwnProperty(Configuration.getConfig(), 'logLevel')
-      ? Configuration.getConfig().logLevel.toLowerCase()
+  public static getLogMaxSize(): number | string | false | undefined {
+    return (
+      Utils.hasOwnProp(Configuration.getConfig(), 'logMaxFiles') &&
+      Configuration.getConfig()?.logMaxSize
+    );
+  }
+
+  public static getLogLevel(): string | undefined {
+    return Utils.hasOwnProp(Configuration.getConfig(), 'logLevel')
+      ? Configuration.getConfig()?.logLevel?.toLowerCase()
       : 'info';
   }
 
-  static getLogFile(): string {
-    return Configuration.objectHasOwnProperty(Configuration.getConfig(), 'logFile')
-      ? Configuration.getConfig().logFile
+  public static getLogFile(): string | undefined {
+    return Utils.hasOwnProp(Configuration.getConfig(), 'logFile')
+      ? Configuration.getConfig()?.logFile
       : 'combined.log';
   }
 
-  static getLogErrorFile(): string {
-    Configuration.warnDeprecatedConfigurationKey('errorFile', null, "Use 'logErrorFile' instead");
-    return Configuration.objectHasOwnProperty(Configuration.getConfig(), 'logErrorFile')
-      ? Configuration.getConfig().logErrorFile
+  public static getLogErrorFile(): string | undefined {
+    Configuration.warnDeprecatedConfigurationKey(
+      'errorFile',
+      undefined,
+      "Use 'logErrorFile' instead"
+    );
+    return Utils.hasOwnProp(Configuration.getConfig(), 'logErrorFile')
+      ? Configuration.getConfig()?.logErrorFile
       : 'error.log';
   }
 
-  static getSupervisionUrls(): string | string[] {
+  public static getSupervisionUrls(): string | string[] | undefined {
     Configuration.warnDeprecatedConfigurationKey(
       'supervisionURLs',
-      null,
+      undefined,
       "Use 'supervisionUrls' instead"
     );
-    !Configuration.isUndefined(Configuration.getConfig()['supervisionURLs']) &&
-      (Configuration.getConfig().supervisionUrls = Configuration.getConfig()[
-        'supervisionURLs'
-      ] as string[]);
+    !Utils.isUndefined(Configuration.getConfig()['supervisionURLs']) &&
+      (Configuration.getConfig().supervisionUrls = Configuration.getConfig()['supervisionURLs'] as
+        | string
+        | string[]);
     // Read conf
-    return Configuration.getConfig().supervisionUrls;
+    return Configuration.getConfig()?.supervisionUrls;
   }
 
-  static getSupervisionUrlDistribution(): SupervisionUrlDistribution {
+  public static getSupervisionUrlDistribution(): SupervisionUrlDistribution | undefined {
     Configuration.warnDeprecatedConfigurationKey(
       'distributeStationToTenantEqually',
-      null,
+      undefined,
       "Use 'supervisionUrlDistribution' instead"
     );
     Configuration.warnDeprecatedConfigurationKey(
       'distributeStationsToTenantsEqually',
-      null,
+      undefined,
       "Use 'supervisionUrlDistribution' instead"
     );
-    return Configuration.objectHasOwnProperty(
-      Configuration.getConfig(),
-      'supervisionUrlDistribution'
-    )
-      ? Configuration.getConfig().supervisionUrlDistribution
+    return Utils.hasOwnProp(Configuration.getConfig(), 'supervisionUrlDistribution')
+      ? Configuration.getConfig()?.supervisionUrlDistribution
       : SupervisionUrlDistribution.ROUND_ROBIN;
   }
 
-  private static logPrefix(): string {
-    return new Date().toLocaleString() + ' Simulator configuration |';
-  }
+  private static logPrefix = (): string => {
+    return `${new Date().toLocaleString()} Simulator configuration |`;
+  };
 
   private static warnDeprecatedConfigurationKey(
     key: string,
@@ -299,27 +341,29 @@ export default class Configuration {
   ) {
     if (
       sectionName &&
-      !Configuration.isUndefined(Configuration.getConfig()[sectionName]) &&
-      !Configuration.isUndefined(
-        (Configuration.getConfig()[sectionName] as Record<string, unknown>)[key]
-      )
+      !Utils.isUndefined(Configuration.getConfig()[sectionName]) &&
+      !Utils.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
-        }}`
+        `${chalk.green(Configuration.logPrefix())} ${chalk.red(
+          `Deprecated configuration key '${key}' usage in section '${sectionName}'${
+            logMsgToAppend.trim().length > 0 ? `. ${logMsgToAppend}` : ''
+          }`
+        )}`
       );
-    } else if (!Configuration.isUndefined(Configuration.getConfig()[key])) {
+    } else if (!Utils.isUndefined(Configuration.getConfig()[key])) {
       console.error(
-        chalk`{green ${Configuration.logPrefix()}} {red Deprecated configuration key '${key}' usage${
-          logMsgToAppend && '. ' + logMsgToAppend
-        }}`
+        `${chalk.green(Configuration.logPrefix())} ${chalk.red(
+          `Deprecated configuration key '${key}' usage${
+            logMsgToAppend.trim().length > 0 ? `. ${logMsgToAppend}` : ''
+          }`
+        )}`
       );
     }
   }
 
   // Read the config file
-  private static getConfig(): ConfigurationData {
+  private static getConfig(): ConfigurationData | null {
     if (!Configuration.configuration) {
       try {
         Configuration.configuration = JSON.parse(
@@ -327,10 +371,10 @@ export default class Configuration {
         ) as ConfigurationData;
       } catch (error) {
         Configuration.handleFileException(
-          Configuration.logPrefix(),
-          FileType.Configuration,
           Configuration.configurationFile,
-          error as NodeJS.ErrnoException
+          FileType.Configuration,
+          error as NodeJS.ErrnoException,
+          Configuration.logPrefix()
         );
       }
       if (!Configuration.configurationFileWatcher) {
@@ -340,13 +384,13 @@ export default class Configuration {
     return Configuration.configuration;
   }
 
-  private static getConfigurationFileWatcher(): fs.FSWatcher {
+  private static getConfigurationFileWatcher(): fs.FSWatcher | undefined {
     try {
       return fs.watch(Configuration.configurationFile, (event, filename): void => {
-        if (filename && event === 'change') {
+        if (filename?.trim().length > 0 && event === 'change') {
           // Nullify to force configuration file reading
           Configuration.configuration = null;
-          if (!Configuration.isUndefined(Configuration.configurationChangeCallback)) {
+          if (!Utils.isUndefined(Configuration.configurationChangeCallback)) {
             Configuration.configurationChangeCallback().catch((error) => {
               throw typeof error === 'string' ? new Error(error) : error;
             });
@@ -355,68 +399,61 @@ export default class Configuration {
       });
     } catch (error) {
       Configuration.handleFileException(
-        Configuration.logPrefix(),
-        FileType.Configuration,
         Configuration.configurationFile,
-        error as NodeJS.ErrnoException
+        FileType.Configuration,
+        error as NodeJS.ErrnoException,
+        Configuration.logPrefix()
       );
     }
   }
 
+  private static handleFileException(
+    file: string,
+    fileType: FileType,
+    error: NodeJS.ErrnoException,
+    logPrefix: string
+  ): void {
+    const prefix = Utils.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 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, '../../'),
+        return Configuration.buildPerformanceUriFilePath(
           Constants.DEFAULT_PERFORMANCE_RECORDS_FILENAME
-        )}`;
+        );
       case StorageType.SQLITE:
-        return `file://${path.join(path.resolve(__dirname, '../../'), SQLiteFileName)}`;
+        return Configuration.buildPerformanceUriFilePath(
+          `${Constants.DEFAULT_PERFORMANCE_RECORDS_DB_NAME}.db`
+        );
       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;
-    }
+  private static buildPerformanceUriFilePath(file: string) {
+    return `file://${path.join(
+      path.resolve(path.dirname(fileURLToPath(import.meta.url)), '../'),
+      file
+    )}`;
   }
 }