X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;f=src%2Futils%2FConfiguration.ts;h=57ee31df0c355f0ddc6dd736d35a402ae9e70cb6;hb=8f3d04b045bb95cd8e40e86893a3e47e00793bb8;hp=9492bb9b37d631865ba0a750c53561d5c41859b4;hpb=524d9cb333fd690edb702c88517f79b3f3d6813e;p=e-mobility-charging-stations-simulator.git

diff --git a/src/utils/Configuration.ts b/src/utils/Configuration.ts
index 9492bb9b..57ee31df 100644
--- a/src/utils/Configuration.ts
+++ b/src/utils/Configuration.ts
@@ -1,73 +1,419 @@
-import ConfigurationData, { StationTemplateURL } from '../types/ConfigurationData';
+import ConfigurationData, {
+  StationTemplateUrl,
+  StorageConfiguration,
+  SupervisionUrlDistribution,
+  UIWebSocketServerConfiguration,
+} from '../types/ConfigurationData';
 
-import Utils from './Utils';
+import Constants from './Constants';
+import { EmptyObject } from '../types/EmptyObject';
+import { HandleErrorParams } from '../types/Error';
+import { ServerOptions } from 'ws';
+import { StorageType } from '../types/Storage';
+import type { WorkerChoiceStrategy } from 'poolifier';
+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 configurationFilePath = 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
+      : 60;
   }
 
-  static getAutoReconnectTimeout(): number {
-    // Read conf
-    return Utils.objectHasOwnProperty(Configuration.getConfig(), 'autoReconnectTimeout') ? Configuration.getConfig().autoReconnectTimeout : 10;
+  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,
+    };
+    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,
+      };
+    }
+    return uiWebSocketServerConfiguration;
+  }
+
+  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 to use instead"
+    );
+    return Configuration.objectHasOwnProperty(Configuration.getConfig(), 'workerProcess')
+      ? Configuration.getConfig().workerProcess
+      : WorkerProcessType.WORKER_SET;
   }
 
-  static useWorkerPool(): boolean {
-    return Configuration.getConfig().useWorkerPool;
+  static getWorkerStartDelay(): number {
+    return Configuration.objectHasOwnProperty(Configuration.getConfig(), 'workerStartDelay')
+      ? Configuration.getConfig().workerStartDelay
+      : Constants.WORKER_START_DELAY;
   }
 
-  static getWorkerPoolSize(): number {
-    return Configuration.getConfig().workerPoolSize;
+  static getElementStartDelay(): number {
+    return Configuration.objectHasOwnProperty(Configuration.getConfig(), 'elementStartDelay')
+      ? Configuration.getConfig().elementStartDelay
+      : Constants.ELEMENT_START_DELAY;
+  }
+
+  static getWorkerPoolMinSize(): number {
+    return Configuration.objectHasOwnProperty(Configuration.getConfig(), 'workerPoolMinSize')
+      ? Configuration.getConfig().workerPoolMinSize
+      : Constants.DEFAULT_WORKER_POOL_MIN_SIZE;
+  }
+
+  static getWorkerPoolMaxSize(): number {
+    Configuration.warnDeprecatedConfigurationKey(
+      'workerPoolSize;',
+      null,
+      "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
+      : Constants.DEFAULT_CHARGING_STATIONS_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 getDistributeStationsToTenantsEqually(): boolean {
-    return Utils.objectHasOwnProperty(Configuration.getConfig(), 'distributeStationsToTenantsEqually') ? Configuration.getConfig().distributeStationsToTenantsEqually : 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 = ''
+  ) {
+    // eslint-disable-next-line @typescript-eslint/no-unsafe-member-access
+    if (
+      sectionName &&
+      !Configuration.isUndefined(Configuration.getConfig()[sectionName]) &&
+      !Configuration.isUndefined(Configuration.getConfig()[sectionName][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${
+          logMsgToAppend && '. ' + logMsgToAppend
+        }}`
+      );
+    }
+  }
+
+  // Read the config file
+  private static getConfig(): ConfigurationData {
+    if (!Configuration.configuration) {
+      try {
+        Configuration.configuration = JSON.parse(
+          fs.readFileSync(Configuration.configurationFilePath, 'utf8')
+        ) as ConfigurationData;
+      } catch (error) {
+        Configuration.handleFileException(
+          Configuration.logPrefix(),
+          'Configuration',
+          Configuration.configurationFilePath,
+          error
+        );
+      }
+      if (!Configuration.configurationFileWatcher) {
+        Configuration.configurationFileWatcher = Configuration.getConfigurationFileWatcher();
+      }
+    }
+    return Configuration.configuration;
+  }
+
+  private static getConfigurationFileWatcher(): fs.FSWatcher {
+    try {
+      return fs.watch(Configuration.configurationFilePath, (event, filename): void => {
+        if (filename && event === 'change') {
+          // Nullify to force configuration file reading
+          Configuration.configuration = null;
+          if (!Configuration.isUndefined(Configuration.configurationChangeCallback)) {
+            Configuration.configurationChangeCallback().catch((error) => {
+              throw typeof error === 'string' ? new Error(error) : error;
+            });
+          }
+        }
+      });
+    } catch (error) {
+      Configuration.handleFileException(
+        Configuration.logPrefix(),
+        'Configuration',
+        Configuration.configurationFilePath,
+        error as Error
+      );
+    }
+  }
+
+  private static getDefaultPerformanceStorageUri(storageType: StorageType) {
+    const SQLiteFileName = `${Constants.DEFAULT_PERFORMANCE_RECORDS_DB_NAME}.db`;
+    switch (storageType) {
+      case StorageType.JSON_FILE:
+        return `file://${path.join(
+          path.resolve(__dirname, '../../'),
+          Constants.DEFAULT_PERFORMANCE_RECORDS_FILENAME
+        )}`;
+      case StorageType.SQLITE:
+        return `file://${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: string,
+    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;
+    }
   }
 }