Rename private attributes and methods.
authorJérôme Benoit <jerome.benoit@sap.com>
Sat, 23 Jan 2021 06:51:56 +0000 (07:51 +0100)
committerJérôme Benoit <jerome.benoit@sap.com>
Sat, 23 Jan 2021 06:51:56 +0000 (07:51 +0100)
Signed-off-by: Jérôme Benoit <jerome.benoit@sap.com>
src/charging-station/AutomaticTransactionGenerator.ts
src/charging-station/ChargingStation.ts
src/charging-station/Worker.ts
src/utils/Statistics.ts

index b38e21432e24b83446e92ac5935e4ea5b18246d4..76758c14ea1a1cd6e22fbf968105865f98688617 100644 (file)
@@ -7,92 +7,88 @@ import Utils from '../utils/Utils';
 import logger from '../utils/Logger';
 
 export default class AutomaticTransactionGenerator {
-  private _chargingStation: ChargingStation;
-  private _timeToStop: boolean;
-  private _performanceObserver: PerformanceObserver;
+  public timeToStop: boolean;
+  private chargingStation: ChargingStation;
+  private performanceObserver: PerformanceObserver;
 
   constructor(chargingStation: ChargingStation) {
-    this._chargingStation = chargingStation;
-    this._timeToStop = true;
-    if (this._chargingStation.getEnableStatistics()) {
-      this._performanceObserver = new PerformanceObserver((list) => {
+    this.chargingStation = chargingStation;
+    this.timeToStop = true;
+    if (this.chargingStation.getEnableStatistics()) {
+      this.performanceObserver = new PerformanceObserver((list) => {
         const entry = list.getEntries()[0];
-        this._chargingStation.statistics.logPerformance(entry, Constants.ENTITY_AUTOMATIC_TRANSACTION_GENERATOR);
-        this._performanceObserver.disconnect();
+        this.chargingStation.statistics.logPerformance(entry, Constants.ENTITY_AUTOMATIC_TRANSACTION_GENERATOR);
+        this.performanceObserver.disconnect();
       });
     }
   }
 
-  get timeToStop(): boolean {
-    return this._timeToStop;
-  }
-
   _logPrefix(connectorId: number = null): string {
     if (connectorId) {
-      return Utils.logPrefix(' ' + this._chargingStation.stationInfo.chargingStationId + ' ATG on connector #' + connectorId.toString() + ':');
+      return Utils.logPrefix(' ' + this.chargingStation.stationInfo.chargingStationId + ' ATG on connector #' + connectorId.toString() + ':');
     }
-    return Utils.logPrefix(' ' + this._chargingStation.stationInfo.chargingStationId + ' ATG:');
+    return Utils.logPrefix(' ' + this.chargingStation.stationInfo.chargingStationId + ' ATG:');
   }
 
   start(): void {
-    this._timeToStop = false;
-    if (this._chargingStation.stationInfo.AutomaticTransactionGenerator.stopAfterHours &&
-      this._chargingStation.stationInfo.AutomaticTransactionGenerator.stopAfterHours > 0) {
+    this.timeToStop = false;
+    if (this.chargingStation.stationInfo.AutomaticTransactionGenerator.stopAfterHours &&
+      this.chargingStation.stationInfo.AutomaticTransactionGenerator.stopAfterHours > 0) {
       setTimeout(() => {
         void this.stop();
-      }, this._chargingStation.stationInfo.AutomaticTransactionGenerator.stopAfterHours * 3600 * 1000);
+      }, this.chargingStation.stationInfo.AutomaticTransactionGenerator.stopAfterHours * 3600 * 1000);
     }
-    for (const connector in this._chargingStation.connectors) {
+    for (const connector in this.chargingStation.connectors) {
       if (Utils.convertToInt(connector) > 0) {
         void this.startConnector(Utils.convertToInt(connector));
       }
     }
-    logger.info(this._logPrefix() + ' ATG started and will stop in ' + Utils.secondsToHHMMSS(this._chargingStation.stationInfo.AutomaticTransactionGenerator.stopAfterHours * 3600));
+    logger.info(this._logPrefix() + ' ATG started and will stop in ' + Utils.secondsToHHMMSS(this.chargingStation.stationInfo.AutomaticTransactionGenerator.stopAfterHours * 3600));
   }
 
   async stop(reason: StopTransactionReason = StopTransactionReason.NONE): Promise<void> {
     logger.info(this._logPrefix() + ' ATG OVER => STOPPING ALL TRANSACTIONS');
-    for (const connector in this._chargingStation.connectors) {
-      if (this._chargingStation.getConnector(Utils.convertToInt(connector)).transactionStarted) {
-        logger.info(this._logPrefix(Utils.convertToInt(connector)) + ' ATG OVER. Stop transaction ' + this._chargingStation.getConnector(Utils.convertToInt(connector)).transactionId.toString());
-        await this._chargingStation.sendStopTransaction(this._chargingStation.getConnector(Utils.convertToInt(connector)).transactionId, reason);
+    for (const connector in this.chargingStation.connectors) {
+      if (this.chargingStation.getConnector(Utils.convertToInt(connector)).transactionStarted) {
+        logger.info(this._logPrefix(Utils.convertToInt(connector)) + ' ATG OVER. Stop transaction ' + this.chargingStation.getConnector(Utils.convertToInt(connector)).transactionId.toString());
+        await this.chargingStation.sendStopTransaction(this.chargingStation.getConnector(Utils.convertToInt(connector)).transactionId, reason);
       }
     }
-    this._timeToStop = true;
+    this.timeToStop = true;
   }
 
   async startConnector(connectorId: number): Promise<void> {
     do {
-      if (this._timeToStop) {
+      if (this.timeToStop) {
         logger.error(this._logPrefix(connectorId) + ' Entered in transaction loop while a request to stop it was made');
         break;
       }
-      if (!this._chargingStation._isRegistered()) {
+      if (!this.chargingStation._isRegistered()) {
         logger.error(this._logPrefix(connectorId) + ' Entered in transaction loop while the charging station is not registered');
         break;
       }
-      if (!this._chargingStation._isChargingStationAvailable()) {
+      if (!this.chargingStation._isChargingStationAvailable()) {
         logger.info(this._logPrefix(connectorId) + ' Entered in transaction loop while the charging station is unavailable');
         await this.stop();
         break;
       }
-      if (!this._chargingStation._isConnectorAvailable(connectorId)) {
+      if (!this.chargingStation._isConnectorAvailable(connectorId)) {
         logger.info(`${this._logPrefix(connectorId)} Entered in transaction loop while the connector ${connectorId} is unavailable, stop it`);
         break;
       }
-      const wait = Utils.getRandomInt(this._chargingStation.stationInfo.AutomaticTransactionGenerator.maxDelayBetweenTwoTransactions,
-        this._chargingStation.stationInfo.AutomaticTransactionGenerator.minDelayBetweenTwoTransactions) * 1000;
+      const wait = Utils.getRandomInt(this.chargingStation.stationInfo.AutomaticTransactionGenerator.maxDelayBetweenTwoTransactions,
+        this.chargingStation.stationInfo.AutomaticTransactionGenerator.minDelayBetweenTwoTransactions) * 1000;
       logger.info(this._logPrefix(connectorId) + ' wait for ' + Utils.milliSecondsToHHMMSS(wait));
       await Utils.sleep(wait);
       const start = Math.random();
       let skip = 0;
-      if (start < this._chargingStation.stationInfo.AutomaticTransactionGenerator.probabilityOfStart) {
+      if (start < this.chargingStation.stationInfo.AutomaticTransactionGenerator.probabilityOfStart) {
         skip = 0;
         // Start transaction
         let startResponse: StartTransactionResponse | AuthorizeResponse;
-        if (this._chargingStation.getEnableStatistics()) {
+        if (this.chargingStation.getEnableStatistics()) {
           const startTransaction = performance.timerify(this.startTransaction);
-          this._performanceObserver.observe({ entryTypes: ['function'] });
+          this.performanceObserver.observe({ entryTypes: ['function'] });
           startResponse = await startTransaction(connectorId, this);
         } else {
           startResponse = await this.startTransaction(connectorId, this);
@@ -102,16 +98,16 @@ export default class AutomaticTransactionGenerator {
           await Utils.sleep(Constants.CHARGING_STATION_ATG_WAIT_TIME);
         } else {
           // Wait until end of transaction
-          const waitTrxEnd = Utils.getRandomInt(this._chargingStation.stationInfo.AutomaticTransactionGenerator.maxDuration,
-            this._chargingStation.stationInfo.AutomaticTransactionGenerator.minDuration) * 1000;
-          logger.info(this._logPrefix(connectorId) + ' transaction ' + this._chargingStation.getConnector(connectorId).transactionId.toString() + ' will stop in ' + Utils.milliSecondsToHHMMSS(waitTrxEnd));
+          const waitTrxEnd = Utils.getRandomInt(this.chargingStation.stationInfo.AutomaticTransactionGenerator.maxDuration,
+            this.chargingStation.stationInfo.AutomaticTransactionGenerator.minDuration) * 1000;
+          logger.info(this._logPrefix(connectorId) + ' transaction ' + this.chargingStation.getConnector(connectorId).transactionId.toString() + ' will stop in ' + Utils.milliSecondsToHHMMSS(waitTrxEnd));
           await Utils.sleep(waitTrxEnd);
           // Stop transaction
-          if (this._chargingStation.getConnector(connectorId)?.transactionStarted) {
-            logger.info(this._logPrefix(connectorId) + ' stop transaction ' + this._chargingStation.getConnector(connectorId).transactionId.toString());
-            if (this._chargingStation.getEnableStatistics()) {
+          if (this.chargingStation.getConnector(connectorId)?.transactionStarted) {
+            logger.info(this._logPrefix(connectorId) + ' stop transaction ' + this.chargingStation.getConnector(connectorId).transactionId.toString());
+            if (this.chargingStation.getEnableStatistics()) {
               const stopTransaction = performance.timerify(this.stopTransaction);
-              this._performanceObserver.observe({ entryTypes: ['function'] });
+              this.performanceObserver.observe({ entryTypes: ['function'] });
               await stopTransaction(connectorId, this);
             } else {
               await this.stopTransaction(connectorId, this);
@@ -122,34 +118,34 @@ export default class AutomaticTransactionGenerator {
         skip++;
         logger.info(this._logPrefix(connectorId) + ' transaction skipped ' + skip.toString());
       }
-    } while (!this._timeToStop);
+    } while (!this.timeToStop);
     logger.info(this._logPrefix(connectorId) + ' ATG STOPPED on the connector');
   }
 
   // eslint-disable-next-line consistent-this
   private async startTransaction(connectorId: number, self: AutomaticTransactionGenerator): Promise<StartTransactionResponse | AuthorizeResponse> {
-    if (self._chargingStation.hasAuthorizedTags()) {
-      const tagId = self._chargingStation.getRandomTagId();
-      if (self._chargingStation.stationInfo.AutomaticTransactionGenerator.requireAuthorize) {
+    if (self.chargingStation.hasAuthorizedTags()) {
+      const tagId = self.chargingStation.getRandomTagId();
+      if (self.chargingStation.stationInfo.AutomaticTransactionGenerator.requireAuthorize) {
         // Authorize tagId
-        const authorizeResponse = await self._chargingStation.sendAuthorize(tagId);
+        const authorizeResponse = await self.chargingStation.sendAuthorize(tagId);
         if (authorizeResponse?.idTagInfo?.status === AuthorizationStatus.ACCEPTED) {
           logger.info(self._logPrefix(connectorId) + ' start transaction for tagID ' + tagId);
           // Start transaction
-          return await self._chargingStation.sendStartTransaction(connectorId, tagId);
+          return await self.chargingStation.sendStartTransaction(connectorId, tagId);
         }
         return authorizeResponse;
       }
       logger.info(self._logPrefix(connectorId) + ' start transaction for tagID ' + tagId);
       // Start transaction
-      return await self._chargingStation.sendStartTransaction(connectorId, tagId);
+      return await self.chargingStation.sendStartTransaction(connectorId, tagId);
     }
     logger.info(self._logPrefix(connectorId) + ' start transaction without a tagID');
-    return await self._chargingStation.sendStartTransaction(connectorId);
+    return await self.chargingStation.sendStartTransaction(connectorId);
   }
 
   // eslint-disable-next-line consistent-this
   private async stopTransaction(connectorId: number, self: AutomaticTransactionGenerator): Promise<StopTransactionResponse> {
-    return await self._chargingStation.sendStopTransaction(self._chargingStation.getConnector(connectorId).transactionId);
+    return await self.chargingStation.sendStopTransaction(self.chargingStation.getConnector(connectorId).transactionId);
   }
 }
index f94efde394bf2bd18e710e07a431a4ae141fceb1..b3a2e62239303fb6e5af5868570d6de74c8e8795 100644 (file)
@@ -31,43 +31,43 @@ import fs from 'fs';
 import logger from '../utils/Logger';
 
 export default class ChargingStation {
-  private _index: number;
-  private _stationTemplateFile: string;
-  private _stationInfo: ChargingStationInfo;
-  private _bootNotificationRequest: BootNotificationRequest;
-  private _bootNotificationResponse: BootNotificationResponse;
-  private _connectors: Connectors;
-  private _configuration: ChargingStationConfiguration;
-  private _connectorsConfigurationHash: string;
-  private _supervisionUrl: string;
-  private _wsConnectionUrl: string;
-  private _wsConnection: WebSocket;
-  private _hasStopped: boolean;
-  private _hasSocketRestarted: boolean;
-  private _autoReconnectRetryCount: number;
-  private _requests: Requests;
-  private _messageQueue: string[];
-  private _automaticTransactionGeneration: AutomaticTransactionGenerator;
-  private _authorizedTags: string[];
-  private _heartbeatSetInterval: NodeJS.Timeout;
-  private _webSocketPingSetInterval: NodeJS.Timeout;
-  private _statistics: Statistics;
-  private _performanceObserver: PerformanceObserver;
+  public stationInfo: ChargingStationInfo;
+  public connectors: Connectors;
+  public statistics: Statistics;
+  private index: number;
+  private stationTemplateFile: string;
+  private bootNotificationRequest: BootNotificationRequest;
+  private bootNotificationResponse: BootNotificationResponse;
+  private configuration: ChargingStationConfiguration;
+  private connectorsConfigurationHash: string;
+  private supervisionUrl: string;
+  private wsConnectionUrl: string;
+  private wsConnection: WebSocket;
+  private hasStopped: boolean;
+  private hasSocketRestarted: boolean;
+  private autoReconnectRetryCount: number;
+  private requests: Requests;
+  private messageQueue: string[];
+  private automaticTransactionGeneration: AutomaticTransactionGenerator;
+  private authorizedTags: string[];
+  private heartbeatSetInterval: NodeJS.Timeout;
+  private webSocketPingSetInterval: NodeJS.Timeout;
+  private performanceObserver: PerformanceObserver;
 
   constructor(index: number, stationTemplateFile: string) {
-    this._index = index;
-    this._stationTemplateFile = stationTemplateFile;
-    this._connectors = {} as Connectors;
+    this.index = index;
+    this.stationTemplateFile = stationTemplateFile;
+    this.connectors = {} as Connectors;
     this._initialize();
 
-    this._hasStopped = false;
-    this._hasSocketRestarted = false;
-    this._autoReconnectRetryCount = 0;
+    this.hasStopped = false;
+    this.hasSocketRestarted = false;
+    this.autoReconnectRetryCount = 0;
 
-    this._requests = {} as Requests;
-    this._messageQueue = [] as string[];
+    this.requests = {} as Requests;
+    this.messageQueue = [] as string[];
 
-    this._authorizedTags = this._loadAndGetAuthorizedTags();
+    this.authorizedTags = this._loadAndGetAuthorizedTags();
   }
 
   _getChargingStationId(stationTemplate: ChargingStationTemplate): string {
@@ -77,18 +77,18 @@ export default class ChargingStation {
 
     const idSuffix = stationTemplate.nameSuffix ? stationTemplate.nameSuffix : '';
 
-    return stationTemplate.fixedName ? stationTemplate.baseName : stationTemplate.baseName + '-' + instanceIndex.toString() + ('000000000' + this._index.toString()).substr(('000000000' + this._index.toString()).length - 4) + idSuffix;
+    return stationTemplate.fixedName ? stationTemplate.baseName : stationTemplate.baseName + '-' + instanceIndex.toString() + ('000000000' + this.index.toString()).substr(('000000000' + this.index.toString()).length - 4) + idSuffix;
   }
 
   _buildStationInfo(): ChargingStationInfo {
     let stationTemplateFromFile: ChargingStationTemplate;
     try {
       // Load template file
-      const fileDescriptor = fs.openSync(this._stationTemplateFile, 'r');
+      const fileDescriptor = fs.openSync(this.stationTemplateFile, 'r');
       stationTemplateFromFile = JSON.parse(fs.readFileSync(fileDescriptor, 'utf8')) as ChargingStationTemplate;
       fs.closeSync(fileDescriptor);
     } catch (error) {
-      logger.error('Template file ' + this._stationTemplateFile + ' loading error: %j', error);
+      logger.error('Template file ' + this.stationTemplateFile + ' loading error: %j', error);
       throw error;
     }
     const stationInfo: ChargingStationInfo = stationTemplateFromFile || {} as ChargingStationInfo;
@@ -103,63 +103,59 @@ export default class ChargingStation {
     return stationInfo;
   }
 
-  get stationInfo(): ChargingStationInfo {
-    return this._stationInfo;
-  }
-
   _initialize(): void {
-    this._stationInfo = this._buildStationInfo();
-    this._bootNotificationRequest = {
-      chargePointModel: this._stationInfo.chargePointModel,
-      chargePointVendor: this._stationInfo.chargePointVendor,
-      ...!Utils.isUndefined(this._stationInfo.chargeBoxSerialNumberPrefix) && { chargeBoxSerialNumber: this._stationInfo.chargeBoxSerialNumberPrefix },
-      ...!Utils.isUndefined(this._stationInfo.firmwareVersion) && { firmwareVersion: this._stationInfo.firmwareVersion },
+    this.stationInfo = this._buildStationInfo();
+    this.bootNotificationRequest = {
+      chargePointModel: this.stationInfo.chargePointModel,
+      chargePointVendor: this.stationInfo.chargePointVendor,
+      ...!Utils.isUndefined(this.stationInfo.chargeBoxSerialNumberPrefix) && { chargeBoxSerialNumber: this.stationInfo.chargeBoxSerialNumberPrefix },
+      ...!Utils.isUndefined(this.stationInfo.firmwareVersion) && { firmwareVersion: this.stationInfo.firmwareVersion },
     };
-    this._configuration = this._getTemplateChargingStationConfiguration();
-    this._supervisionUrl = this._getSupervisionURL();
-    this._wsConnectionUrl = this._supervisionUrl + '/' + this._stationInfo.chargingStationId;
+    this.configuration = this._getTemplateChargingStationConfiguration();
+    this.supervisionUrl = this._getSupervisionURL();
+    this.wsConnectionUrl = this.supervisionUrl + '/' + this.stationInfo.chargingStationId;
     // Build connectors if needed
     const maxConnectors = this._getMaxNumberOfConnectors();
     if (maxConnectors <= 0) {
-      logger.warn(`${this._logPrefix()} Charging station template ${this._stationTemplateFile} with ${maxConnectors} connectors`);
+      logger.warn(`${this._logPrefix()} Charging station template ${this.stationTemplateFile} with ${maxConnectors} connectors`);
     }
     const templateMaxConnectors = this._getTemplateMaxNumberOfConnectors();
     if (templateMaxConnectors <= 0) {
-      logger.warn(`${this._logPrefix()} Charging station template ${this._stationTemplateFile} with no connector configuration`);
+      logger.warn(`${this._logPrefix()} Charging station template ${this.stationTemplateFile} with no connector configuration`);
     }
-    if (!this._stationInfo.Connectors[0]) {
-      logger.warn(`${this._logPrefix()} Charging station template ${this._stationTemplateFile} with no connector Id 0 configuration`);
+    if (!this.stationInfo.Connectors[0]) {
+      logger.warn(`${this._logPrefix()} Charging station template ${this.stationTemplateFile} with no connector Id 0 configuration`);
     }
     // Sanity check
-    if (maxConnectors > (this._stationInfo.Connectors[0] ? templateMaxConnectors - 1 : templateMaxConnectors) && !this._stationInfo.randomConnectors) {
-      logger.warn(`${this._logPrefix()} Number of connectors exceeds the number of connector configurations in template ${this._stationTemplateFile}, forcing random connector configurations affectation`);
-      this._stationInfo.randomConnectors = true;
+    if (maxConnectors > (this.stationInfo.Connectors[0] ? templateMaxConnectors - 1 : templateMaxConnectors) && !this.stationInfo.randomConnectors) {
+      logger.warn(`${this._logPrefix()} Number of connectors exceeds the number of connector configurations in template ${this.stationTemplateFile}, forcing random connector configurations affectation`);
+      this.stationInfo.randomConnectors = true;
     }
-    const connectorsConfigHash = crypto.createHash('sha256').update(JSON.stringify(this._stationInfo.Connectors) + maxConnectors.toString()).digest('hex');
+    const connectorsConfigHash = crypto.createHash('sha256').update(JSON.stringify(this.stationInfo.Connectors) + maxConnectors.toString()).digest('hex');
     // FIXME: Handle shrinking the number of connectors
-    if (!this._connectors || (this._connectors && this._connectorsConfigurationHash !== connectorsConfigHash)) {
-      this._connectorsConfigurationHash = connectorsConfigHash;
+    if (!this.connectors || (this.connectors && this.connectorsConfigurationHash !== connectorsConfigHash)) {
+      this.connectorsConfigurationHash = connectorsConfigHash;
       // Add connector Id 0
       let lastConnector = '0';
-      for (lastConnector in this._stationInfo.Connectors) {
-        if (Utils.convertToInt(lastConnector) === 0 && this._getUseConnectorId0() && this._stationInfo.Connectors[lastConnector]) {
-          this._connectors[lastConnector] = Utils.cloneObject<Connector>(this._stationInfo.Connectors[lastConnector]);
-          this._connectors[lastConnector].availability = AvailabilityType.OPERATIVE;
+      for (lastConnector in this.stationInfo.Connectors) {
+        if (Utils.convertToInt(lastConnector) === 0 && this._getUseConnectorId0() && this.stationInfo.Connectors[lastConnector]) {
+          this.connectors[lastConnector] = Utils.cloneObject<Connector>(this.stationInfo.Connectors[lastConnector]);
+          this.connectors[lastConnector].availability = AvailabilityType.OPERATIVE;
         }
       }
       // Generate all connectors
-      if ((this._stationInfo.Connectors[0] ? templateMaxConnectors - 1 : templateMaxConnectors) > 0) {
+      if ((this.stationInfo.Connectors[0] ? templateMaxConnectors - 1 : templateMaxConnectors) > 0) {
         for (let index = 1; index <= maxConnectors; index++) {
-          const randConnectorID = this._stationInfo.randomConnectors ? Utils.getRandomInt(Utils.convertToInt(lastConnector), 1) : index;
-          this._connectors[index] = Utils.cloneObject<Connector>(this._stationInfo.Connectors[randConnectorID]);
-          this._connectors[index].availability = AvailabilityType.OPERATIVE;
+          const randConnectorID = this.stationInfo.randomConnectors ? Utils.getRandomInt(Utils.convertToInt(lastConnector), 1) : index;
+          this.connectors[index] = Utils.cloneObject<Connector>(this.stationInfo.Connectors[randConnectorID]);
+          this.connectors[index].availability = AvailabilityType.OPERATIVE;
         }
       }
     }
     // Avoid duplication of connectors related information
-    delete this._stationInfo.Connectors;
+    delete this.stationInfo.Connectors;
     // Initialize transaction attributes on connectors
-    for (const connector in this._connectors) {
+    for (const connector in this.connectors) {
       if (Utils.convertToInt(connector) > 0 && !this.getConnector(Utils.convertToInt(connector)).transactionStarted) {
         this._initTransactionOnConnector(Utils.convertToInt(connector));
       }
@@ -169,48 +165,40 @@ export default class ChargingStation {
     if (!this._getConfigurationKey(StandardParametersKey.MeterValuesSampledData)) {
       this._addConfigurationKey(StandardParametersKey.MeterValuesSampledData, MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER);
     }
-    this._stationInfo.powerDivider = this._getPowerDivider();
+    this.stationInfo.powerDivider = this._getPowerDivider();
     if (this.getEnableStatistics()) {
-      this._statistics = Statistics.getInstance();
-      this._statistics.objName = this._stationInfo.chargingStationId;
-      this._performanceObserver = new PerformanceObserver((list) => {
+      this.statistics = Statistics.getInstance();
+      this.statistics.objName = this.stationInfo.chargingStationId;
+      this.performanceObserver = new PerformanceObserver((list) => {
         const entry = list.getEntries()[0];
-        this._statistics.logPerformance(entry, Constants.ENTITY_CHARGING_STATION);
-        this._performanceObserver.disconnect();
+        this.statistics.logPerformance(entry, Constants.ENTITY_CHARGING_STATION);
+        this.performanceObserver.disconnect();
       });
     }
   }
 
-  get connectors(): Connectors {
-    return this._connectors;
-  }
-
-  get statistics(): Statistics {
-    return this._statistics;
-  }
-
   _logPrefix(): string {
-    return Utils.logPrefix(` ${this._stationInfo.chargingStationId}:`);
+    return Utils.logPrefix(` ${this.stationInfo.chargingStationId}:`);
   }
 
   _isWebSocketOpen(): boolean {
-    return this._wsConnection?.readyState === WebSocket.OPEN;
+    return this.wsConnection?.readyState === WebSocket.OPEN;
   }
 
   _isRegistered(): boolean {
-    return this._bootNotificationResponse?.status === RegistrationStatus.ACCEPTED;
+    return this.bootNotificationResponse?.status === RegistrationStatus.ACCEPTED;
   }
 
   _getTemplateChargingStationConfiguration(): ChargingStationConfiguration {
-    return this._stationInfo.Configuration ? this._stationInfo.Configuration : {} as ChargingStationConfiguration;
+    return this.stationInfo.Configuration ? this.stationInfo.Configuration : {} as ChargingStationConfiguration;
   }
 
   _getAuthorizationFile(): string {
-    return this._stationInfo.authorizationFile && this._stationInfo.authorizationFile;
+    return this.stationInfo.authorizationFile && this.stationInfo.authorizationFile;
   }
 
   _getUseConnectorId0(): boolean {
-    return !Utils.isUndefined(this._stationInfo.useConnectorId0) ? this._stationInfo.useConnectorId0 : true;
+    return !Utils.isUndefined(this.stationInfo.useConnectorId0) ? this.stationInfo.useConnectorId0 : true;
   }
 
   _loadAndGetAuthorizedTags(): string[] {
@@ -227,28 +215,28 @@ export default class ChargingStation {
         throw error;
       }
     } else {
-      logger.info(this._logPrefix() + ' No authorization file given in template file ' + this._stationTemplateFile);
+      logger.info(this._logPrefix() + ' No authorization file given in template file ' + this.stationTemplateFile);
     }
     return authorizedTags;
   }
 
   getRandomTagId(): string {
-    const index = Math.floor(Math.random() * this._authorizedTags.length);
-    return this._authorizedTags[index];
+    const index = Math.floor(Math.random() * this.authorizedTags.length);
+    return this.authorizedTags[index];
   }
 
   hasAuthorizedTags(): boolean {
-    return !Utils.isEmptyArray(this._authorizedTags);
+    return !Utils.isEmptyArray(this.authorizedTags);
   }
 
   getEnableStatistics(): boolean {
-    return !Utils.isUndefined(this._stationInfo.enableStatistics) ? this._stationInfo.enableStatistics : true;
+    return !Utils.isUndefined(this.stationInfo.enableStatistics) ? this.stationInfo.enableStatistics : true;
   }
 
   _getNumberOfPhases(): number {
     switch (this._getPowerOutType()) {
       case PowerOutType.AC:
-        return !Utils.isUndefined(this._stationInfo.numberOfPhases) ? this._stationInfo.numberOfPhases : 3;
+        return !Utils.isUndefined(this.stationInfo.numberOfPhases) ? this.stationInfo.numberOfPhases : 3;
       case PowerOutType.DC:
         return 0;
     }
@@ -256,7 +244,7 @@ export default class ChargingStation {
 
   _getNumberOfRunningTransactions(): number {
     let trxCount = 0;
-    for (const connector in this._connectors) {
+    for (const connector in this.connectors) {
       if (Utils.convertToInt(connector) > 0 && this.getConnector(Utils.convertToInt(connector)).transactionStarted) {
         trxCount++;
       }
@@ -266,8 +254,8 @@ export default class ChargingStation {
 
   // 0 for disabling
   _getConnectionTimeout(): number {
-    if (!Utils.isUndefined(this._stationInfo.connectionTimeout)) {
-      return this._stationInfo.connectionTimeout;
+    if (!Utils.isUndefined(this.stationInfo.connectionTimeout)) {
+      return this.stationInfo.connectionTimeout;
     }
     if (!Utils.isUndefined(Configuration.getConnectionTimeout())) {
       return Configuration.getConnectionTimeout();
@@ -277,8 +265,8 @@ export default class ChargingStation {
 
   // -1 for unlimited, 0 for disabling
   _getAutoReconnectMaxRetries(): number {
-    if (!Utils.isUndefined(this._stationInfo.autoReconnectMaxRetries)) {
-      return this._stationInfo.autoReconnectMaxRetries;
+    if (!Utils.isUndefined(this.stationInfo.autoReconnectMaxRetries)) {
+      return this.stationInfo.autoReconnectMaxRetries;
     }
     if (!Utils.isUndefined(Configuration.getAutoReconnectMaxRetries())) {
       return Configuration.getAutoReconnectMaxRetries();
@@ -288,22 +276,22 @@ export default class ChargingStation {
 
   // 0 for disabling
   _getRegistrationMaxRetries(): number {
-    if (!Utils.isUndefined(this._stationInfo.registrationMaxRetries)) {
-      return this._stationInfo.registrationMaxRetries;
+    if (!Utils.isUndefined(this.stationInfo.registrationMaxRetries)) {
+      return this.stationInfo.registrationMaxRetries;
     }
     return -1;
   }
 
   _getPowerDivider(): number {
     let powerDivider = this._getNumberOfConnectors();
-    if (this._stationInfo.powerSharedByConnectors) {
+    if (this.stationInfo.powerSharedByConnectors) {
       powerDivider = this._getNumberOfRunningTransactions();
     }
     return powerDivider;
   }
 
   getConnector(id: number): Connector {
-    return this._connectors[id];
+    return this.connectors[id];
   }
 
   _isConnectorAvailable(id: number): boolean {
@@ -315,29 +303,29 @@ export default class ChargingStation {
   }
 
   _getTemplateMaxNumberOfConnectors(): number {
-    return Object.keys(this._stationInfo.Connectors).length;
+    return Object.keys(this.stationInfo.Connectors).length;
   }
 
   _getMaxNumberOfConnectors(): number {
     let maxConnectors = 0;
-    if (!Utils.isEmptyArray(this._stationInfo.numberOfConnectors)) {
-      const numberOfConnectors = this._stationInfo.numberOfConnectors as number[];
+    if (!Utils.isEmptyArray(this.stationInfo.numberOfConnectors)) {
+      const numberOfConnectors = this.stationInfo.numberOfConnectors as number[];
       // Distribute evenly the number of connectors
-      maxConnectors = numberOfConnectors[(this._index - 1) % numberOfConnectors.length];
-    } else if (!Utils.isUndefined(this._stationInfo.numberOfConnectors)) {
-      maxConnectors = this._stationInfo.numberOfConnectors as number;
+      maxConnectors = numberOfConnectors[(this.index - 1) % numberOfConnectors.length];
+    } else if (!Utils.isUndefined(this.stationInfo.numberOfConnectors)) {
+      maxConnectors = this.stationInfo.numberOfConnectors as number;
     } else {
-      maxConnectors = this._stationInfo.Connectors[0] ? this._getTemplateMaxNumberOfConnectors() - 1 : this._getTemplateMaxNumberOfConnectors();
+      maxConnectors = this.stationInfo.Connectors[0] ? this._getTemplateMaxNumberOfConnectors() - 1 : this._getTemplateMaxNumberOfConnectors();
     }
     return maxConnectors;
   }
 
   _getNumberOfConnectors(): number {
-    return this._connectors[0] ? Object.keys(this._connectors).length - 1 : Object.keys(this._connectors).length;
+    return this.connectors[0] ? Object.keys(this.connectors).length - 1 : Object.keys(this.connectors).length;
   }
 
   _getVoltageOut(): number {
-    const errMsg = `${this._logPrefix()} Unknown ${this._getPowerOutType()} powerOutType in template file ${this._stationTemplateFile}, cannot define default voltage out`;
+    const errMsg = `${this._logPrefix()} Unknown ${this._getPowerOutType()} powerOutType in template file ${this.stationTemplateFile}, cannot define default voltage out`;
     let defaultVoltageOut: number;
     switch (this._getPowerOutType()) {
       case PowerOutType.AC:
@@ -350,11 +338,11 @@ export default class ChargingStation {
         logger.error(errMsg);
         throw Error(errMsg);
     }
-    return !Utils.isUndefined(this._stationInfo.voltageOut) ? this._stationInfo.voltageOut : defaultVoltageOut;
+    return !Utils.isUndefined(this.stationInfo.voltageOut) ? this.stationInfo.voltageOut : defaultVoltageOut;
   }
 
   _getTransactionIdTag(transactionId: number): string {
-    for (const connector in this._connectors) {
+    for (const connector in this.connectors) {
       if (Utils.convertToInt(connector) > 0 && this.getConnector(Utils.convertToInt(connector)).transactionId === transactionId) {
         return this.getConnector(Utils.convertToInt(connector)).idTag;
       }
@@ -362,7 +350,7 @@ export default class ChargingStation {
   }
 
   _getTransactionMeterStop(transactionId: number): number {
-    for (const connector in this._connectors) {
+    for (const connector in this.connectors) {
       if (Utils.convertToInt(connector) > 0 && this.getConnector(Utils.convertToInt(connector)).transactionId === transactionId) {
         return this.getConnector(Utils.convertToInt(connector)).lastEnergyActiveImportRegisterValue;
       }
@@ -370,15 +358,15 @@ export default class ChargingStation {
   }
 
   _getPowerOutType(): PowerOutType {
-    return !Utils.isUndefined(this._stationInfo.powerOutType) ? this._stationInfo.powerOutType : PowerOutType.AC;
+    return !Utils.isUndefined(this.stationInfo.powerOutType) ? this.stationInfo.powerOutType : PowerOutType.AC;
   }
 
   _getSupervisionURL(): string {
-    const supervisionUrls = Utils.cloneObject<string | string[]>(this._stationInfo.supervisionURL ? this._stationInfo.supervisionURL : Configuration.getSupervisionURLs());
+    const supervisionUrls = Utils.cloneObject<string | string[]>(this.stationInfo.supervisionURL ? this.stationInfo.supervisionURL : Configuration.getSupervisionURLs());
     let indexUrl = 0;
     if (!Utils.isEmptyArray(supervisionUrls)) {
       if (Configuration.getDistributeStationsToTenantsEqually()) {
-        indexUrl = this._index % supervisionUrls.length;
+        indexUrl = this.index % supervisionUrls.length;
       } else {
         // Get a random url
         indexUrl = Math.floor(Math.random() * supervisionUrls.length);
@@ -389,7 +377,7 @@ export default class ChargingStation {
   }
 
   _getReconnectExponentialDelay(): boolean {
-    return !Utils.isUndefined(this._stationInfo.reconnectExponentialDelay) ? this._stationInfo.reconnectExponentialDelay : false;
+    return !Utils.isUndefined(this.stationInfo.reconnectExponentialDelay) ? this.stationInfo.reconnectExponentialDelay : false;
   }
 
   _getHeartbeatInterval(): number {
@@ -419,16 +407,16 @@ export default class ChargingStation {
     // Start heartbeat
     this._startHeartbeat();
     // Initialize connectors status
-    for (const connector in this._connectors) {
+    for (const connector in this.connectors) {
       if (Utils.convertToInt(connector) === 0) {
         continue;
-      } else if (!this._hasStopped && !this.getConnector(Utils.convertToInt(connector))?.status && this.getConnector(Utils.convertToInt(connector))?.bootStatus) {
+      } else if (!this.hasStopped && !this.getConnector(Utils.convertToInt(connector))?.status && this.getConnector(Utils.convertToInt(connector))?.bootStatus) {
         // Send status in template at startup
         await this.sendStatusNotification(Utils.convertToInt(connector), this.getConnector(Utils.convertToInt(connector)).bootStatus);
-      } else if (this._hasStopped && this.getConnector(Utils.convertToInt(connector))?.bootStatus) {
+      } else if (this.hasStopped && this.getConnector(Utils.convertToInt(connector))?.bootStatus) {
         // Send status in template after reset
         await this.sendStatusNotification(Utils.convertToInt(connector), this.getConnector(Utils.convertToInt(connector)).bootStatus);
-      } else if (!this._hasStopped && this.getConnector(Utils.convertToInt(connector))?.status) {
+      } else if (!this.hasStopped && this.getConnector(Utils.convertToInt(connector))?.status) {
         // Send previous status at template reload
         await this.sendStatusNotification(Utils.convertToInt(connector), this.getConnector(Utils.convertToInt(connector)).status);
       } else {
@@ -437,16 +425,16 @@ export default class ChargingStation {
       }
     }
     // Start the ATG
-    if (this._stationInfo.AutomaticTransactionGenerator.enable) {
-      if (!this._automaticTransactionGeneration) {
-        this._automaticTransactionGeneration = new AutomaticTransactionGenerator(this);
+    if (this.stationInfo.AutomaticTransactionGenerator.enable) {
+      if (!this.automaticTransactionGeneration) {
+        this.automaticTransactionGeneration = new AutomaticTransactionGenerator(this);
       }
-      if (this._automaticTransactionGeneration.timeToStop) {
-        this._automaticTransactionGeneration.start();
+      if (this.automaticTransactionGeneration.timeToStop) {
+        this.automaticTransactionGeneration.start();
       }
     }
     if (this.getEnableStatistics()) {
-      this._statistics.start();
+      this.statistics.start();
     }
   }
 
@@ -456,12 +444,12 @@ export default class ChargingStation {
     // Stop heartbeat
     this._stopHeartbeat();
     // Stop the ATG
-    if (this._stationInfo.AutomaticTransactionGenerator.enable &&
-      this._automaticTransactionGeneration &&
-      !this._automaticTransactionGeneration.timeToStop) {
-      await this._automaticTransactionGeneration.stop(reason);
+    if (this.stationInfo.AutomaticTransactionGenerator.enable &&
+      this.automaticTransactionGeneration &&
+      !this.automaticTransactionGeneration.timeToStop) {
+      await this.automaticTransactionGeneration.stop(reason);
     } else {
-      for (const connector in this._connectors) {
+      for (const connector in this.connectors) {
         if (Utils.convertToInt(connector) > 0 && this.getConnector(Utils.convertToInt(connector)).transactionStarted) {
           await this.sendStopTransaction(this.getConnector(Utils.convertToInt(connector)).transactionId, reason);
         }
@@ -471,14 +459,14 @@ export default class ChargingStation {
 
   _startWebSocketPing(): void {
     const webSocketPingInterval: number = this._getConfigurationKey(StandardParametersKey.WebSocketPingInterval) ? Utils.convertToInt(this._getConfigurationKey(StandardParametersKey.WebSocketPingInterval).value) : 0;
-    if (webSocketPingInterval > 0 && !this._webSocketPingSetInterval) {
-      this._webSocketPingSetInterval = setInterval(() => {
+    if (webSocketPingInterval > 0 && !this.webSocketPingSetInterval) {
+      this.webSocketPingSetInterval = setInterval(() => {
         if (this._isWebSocketOpen()) {
-          this._wsConnection.ping((): void => { });
+          this.wsConnection.ping((): void => { });
         }
       }, webSocketPingInterval * 1000);
       logger.info(this._logPrefix() + ' WebSocket ping started every ' + Utils.secondsToHHMMSS(webSocketPingInterval));
-    } else if (this._webSocketPingSetInterval) {
+    } else if (this.webSocketPingSetInterval) {
       logger.info(this._logPrefix() + ' WebSocket ping every ' + Utils.secondsToHHMMSS(webSocketPingInterval) + ' already started');
     } else {
       logger.error(`${this._logPrefix()} WebSocket ping interval set to ${webSocketPingInterval ? Utils.secondsToHHMMSS(webSocketPingInterval) : webSocketPingInterval}, not starting the WebSocket ping`);
@@ -486,9 +474,9 @@ export default class ChargingStation {
   }
 
   _stopWebSocketPing(): void {
-    if (this._webSocketPingSetInterval) {
-      clearInterval(this._webSocketPingSetInterval);
-      this._webSocketPingSetInterval = null;
+    if (this.webSocketPingSetInterval) {
+      clearInterval(this.webSocketPingSetInterval);
+      this.webSocketPingSetInterval = null;
     }
   }
 
@@ -500,12 +488,12 @@ export default class ChargingStation {
   }
 
   _startHeartbeat(): void {
-    if (this._getHeartbeatInterval() && this._getHeartbeatInterval() > 0 && !this._heartbeatSetInterval) {
-      this._heartbeatSetInterval = setInterval(async () => {
+    if (this._getHeartbeatInterval() && this._getHeartbeatInterval() > 0 && !this.heartbeatSetInterval) {
+      this.heartbeatSetInterval = setInterval(async () => {
         await this.sendHeartbeat();
       }, this._getHeartbeatInterval());
       logger.info(this._logPrefix() + ' Heartbeat started every ' + Utils.milliSecondsToHHMMSS(this._getHeartbeatInterval()));
-    } else if (this._heartbeatSetInterval) {
+    } else if (this.heartbeatSetInterval) {
       logger.info(this._logPrefix() + ' Heartbeat every ' + Utils.milliSecondsToHHMMSS(this._getHeartbeatInterval()) + ' already started');
     } else {
       logger.error(`${this._logPrefix()} Heartbeat interval set to ${this._getHeartbeatInterval() ? Utils.milliSecondsToHHMMSS(this._getHeartbeatInterval()) : this._getHeartbeatInterval()}, not starting the heartbeat`);
@@ -513,9 +501,9 @@ export default class ChargingStation {
   }
 
   _stopHeartbeat(): void {
-    if (this._heartbeatSetInterval) {
-      clearInterval(this._heartbeatSetInterval);
-      this._heartbeatSetInterval = null;
+    if (this.heartbeatSetInterval) {
+      clearInterval(this.heartbeatSetInterval);
+      this.heartbeatSetInterval = null;
     }
   }
 
@@ -531,7 +519,7 @@ export default class ChargingStation {
       try {
         logger.debug(this._logPrefix() + ' Authorization file ' + this._getAuthorizationFile() + ' have changed, reload');
         // Initialize _authorizedTags
-        this._authorizedTags = this._loadAndGetAuthorizedTags();
+        this.authorizedTags = this._loadAndGetAuthorizedTags();
       } catch (error) {
         logger.error(this._logPrefix() + ' Authorization file monitoring error: %j', error);
       }
@@ -539,23 +527,23 @@ export default class ChargingStation {
   }
 
   _startStationTemplateFileMonitoring(): void {
-    fs.watch(this._stationTemplateFile).on('change', (e) => {
+    fs.watch(this.stationTemplateFile).on('change', (e) => {
       try {
-        logger.debug(this._logPrefix() + ' Template file ' + this._stationTemplateFile + ' have changed, reload');
+        logger.debug(this._logPrefix() + ' Template file ' + this.stationTemplateFile + ' have changed, reload');
         // Initialize
         this._initialize();
         // Stop the ATG
-        if (!this._stationInfo.AutomaticTransactionGenerator.enable &&
-          this._automaticTransactionGeneration) {
-          this._automaticTransactionGeneration.stop().catch(() => { });
+        if (!this.stationInfo.AutomaticTransactionGenerator.enable &&
+          this.automaticTransactionGeneration) {
+          this.automaticTransactionGeneration.stop().catch(() => { });
         }
         // Start the ATG
-        if (this._stationInfo.AutomaticTransactionGenerator.enable) {
-          if (!this._automaticTransactionGeneration) {
-            this._automaticTransactionGeneration = new AutomaticTransactionGenerator(this);
+        if (this.stationInfo.AutomaticTransactionGenerator.enable) {
+          if (!this.automaticTransactionGeneration) {
+            this.automaticTransactionGeneration = new AutomaticTransactionGenerator(this);
           }
-          if (this._automaticTransactionGeneration.timeToStop) {
-            this._automaticTransactionGeneration.start();
+          if (this.automaticTransactionGeneration.timeToStop) {
+            this.automaticTransactionGeneration.start();
           }
         }
         // FIXME?: restart heartbeat and WebSocket ping when their interval values have changed
@@ -585,7 +573,7 @@ export default class ChargingStation {
       this.getConnector(connectorId).transactionSetInterval = setInterval(async () => {
         if (this.getEnableStatistics()) {
           const sendMeterValues = performance.timerify(this.sendMeterValues);
-          this._performanceObserver.observe({
+          this.performanceObserver.observe({
             entryTypes: ['function'],
           });
           await sendMeterValues(connectorId, interval, this);
@@ -606,10 +594,10 @@ export default class ChargingStation {
       options.handshakeTimeout = this._getConnectionTimeout() * 1000;
     }
     if (this._isWebSocketOpen() && forceCloseOpened) {
-      this._wsConnection.close();
+      this.wsConnection.close();
     }
-    this._wsConnection = new WebSocket(this._wsConnectionUrl, 'ocpp' + Constants.OCPP_VERSION_16, options);
-    logger.info(this._logPrefix() + ' Will communicate through URL ' + this._supervisionUrl);
+    this.wsConnection = new WebSocket(this.wsConnectionUrl, 'ocpp' + Constants.OCPP_VERSION_16, options);
+    logger.info(this._logPrefix() + ' Will communicate through URL ' + this.supervisionUrl);
   }
 
   start(): void {
@@ -619,85 +607,85 @@ export default class ChargingStation {
     // Monitor station template file
     this._startStationTemplateFileMonitoring();
     // Handle Socket incoming messages
-    this._wsConnection.on('message', this.onMessage.bind(this));
+    this.wsConnection.on('message', this.onMessage.bind(this));
     // Handle Socket error
-    this._wsConnection.on('error', this.onError.bind(this));
+    this.wsConnection.on('error', this.onError.bind(this));
     // Handle Socket close
-    this._wsConnection.on('close', this.onClose.bind(this));
+    this.wsConnection.on('close', this.onClose.bind(this));
     // Handle Socket opening connection
-    this._wsConnection.on('open', this.onOpen.bind(this));
+    this.wsConnection.on('open', this.onOpen.bind(this));
     // Handle Socket ping
-    this._wsConnection.on('ping', this.onPing.bind(this));
+    this.wsConnection.on('ping', this.onPing.bind(this));
     // Handle Socket pong
-    this._wsConnection.on('pong', this.onPong.bind(this));
+    this.wsConnection.on('pong', this.onPong.bind(this));
   }
 
   async stop(reason: StopTransactionReason = StopTransactionReason.NONE): Promise<void> {
     // Stop message sequence
     await this._stopMessageSequence(reason);
-    for (const connector in this._connectors) {
+    for (const connector in this.connectors) {
       if (Utils.convertToInt(connector) > 0) {
         await this.sendStatusNotification(Utils.convertToInt(connector), ChargePointStatus.UNAVAILABLE);
       }
     }
     if (this._isWebSocketOpen()) {
-      this._wsConnection.close();
+      this.wsConnection.close();
     }
-    this._bootNotificationResponse = null;
-    this._hasStopped = true;
+    this.bootNotificationResponse = null;
+    this.hasStopped = true;
   }
 
   async _reconnect(error): Promise<void> {
     // Stop heartbeat
     this._stopHeartbeat();
     // Stop the ATG if needed
-    if (this._stationInfo.AutomaticTransactionGenerator.enable &&
-      this._stationInfo.AutomaticTransactionGenerator.stopOnConnectionFailure &&
-      this._automaticTransactionGeneration &&
-      !this._automaticTransactionGeneration.timeToStop) {
-      this._automaticTransactionGeneration.stop().catch(() => { });
-    }
-    if (this._autoReconnectRetryCount < this._getAutoReconnectMaxRetries() || this._getAutoReconnectMaxRetries() === -1) {
-      this._autoReconnectRetryCount++;
-      const reconnectDelay = (this._getReconnectExponentialDelay() ? Utils.exponentialDelay(this._autoReconnectRetryCount) : this._getConnectionTimeout() * 1000);
+    if (this.stationInfo.AutomaticTransactionGenerator.enable &&
+      this.stationInfo.AutomaticTransactionGenerator.stopOnConnectionFailure &&
+      this.automaticTransactionGeneration &&
+      !this.automaticTransactionGeneration.timeToStop) {
+      this.automaticTransactionGeneration.stop().catch(() => { });
+    }
+    if (this.autoReconnectRetryCount < this._getAutoReconnectMaxRetries() || this._getAutoReconnectMaxRetries() === -1) {
+      this.autoReconnectRetryCount++;
+      const reconnectDelay = (this._getReconnectExponentialDelay() ? Utils.exponentialDelay(this.autoReconnectRetryCount) : this._getConnectionTimeout() * 1000);
       logger.error(`${this._logPrefix()} Socket: connection retry in ${Utils.roundTo(reconnectDelay, 2)}ms, timeout ${reconnectDelay - 100}ms`);
       await Utils.sleep(reconnectDelay);
-      logger.error(this._logPrefix() + ' Socket: reconnecting try #' + this._autoReconnectRetryCount.toString());
+      logger.error(this._logPrefix() + ' Socket: reconnecting try #' + this.autoReconnectRetryCount.toString());
       this._openWSConnection({ handshakeTimeout: reconnectDelay - 100 });
-      this._hasSocketRestarted = true;
+      this.hasSocketRestarted = true;
     } else if (this._getAutoReconnectMaxRetries() !== -1) {
-      logger.error(`${this._logPrefix()} Socket reconnect failure: max retries reached (${this._autoReconnectRetryCount}) or retry disabled (${this._getAutoReconnectMaxRetries()})`);
+      logger.error(`${this._logPrefix()} Socket reconnect failure: max retries reached (${this.autoReconnectRetryCount}) or retry disabled (${this._getAutoReconnectMaxRetries()})`);
     }
   }
 
   async onOpen(): Promise<void> {
-    logger.info(`${this._logPrefix()} Is connected to server through ${this._wsConnectionUrl}`);
+    logger.info(`${this._logPrefix()} Is connected to server through ${this.wsConnectionUrl}`);
     if (!this._isRegistered()) {
       // Send BootNotification
       let registrationRetryCount = 0;
       do {
-        this._bootNotificationResponse = await this.sendBootNotification();
+        this.bootNotificationResponse = await this.sendBootNotification();
         if (!this._isRegistered()) {
           registrationRetryCount++;
-          await Utils.sleep(this._bootNotificationResponse?.interval ? this._bootNotificationResponse.interval * 1000 : Constants.OCPP_DEFAULT_BOOT_NOTIFICATION_INTERVAL);
+          await Utils.sleep(this.bootNotificationResponse?.interval ? this.bootNotificationResponse.interval * 1000 : Constants.OCPP_DEFAULT_BOOT_NOTIFICATION_INTERVAL);
         }
       } while (!this._isRegistered() && (registrationRetryCount <= this._getRegistrationMaxRetries() || this._getRegistrationMaxRetries() === -1));
     }
     if (this._isRegistered()) {
       await this._startMessageSequence();
-      if (this._hasSocketRestarted && this._isWebSocketOpen()) {
-        if (!Utils.isEmptyArray(this._messageQueue)) {
-          this._messageQueue.forEach((message, index) => {
-            this._messageQueue.splice(index, 1);
-            this._wsConnection.send(message);
+      if (this.hasSocketRestarted && this._isWebSocketOpen()) {
+        if (!Utils.isEmptyArray(this.messageQueue)) {
+          this.messageQueue.forEach((message, index) => {
+            this.messageQueue.splice(index, 1);
+            this.wsConnection.send(message);
           });
         }
       }
     } else {
       logger.error(`${this._logPrefix()} Registration failure: max retries reached (${this._getRegistrationMaxRetries()}) or retry disabled (${this._getRegistrationMaxRetries()})`);
     }
-    this._autoReconnectRetryCount = 0;
-    this._hasSocketRestarted = false;
+    this.autoReconnectRetryCount = 0;
+    this.hasSocketRestarted = false;
   }
 
   async onError(errorEvent): Promise<void> {
@@ -714,7 +702,7 @@ export default class ChargingStation {
       case WebSocketCloseEventStatusCode.CLOSE_NORMAL: // Normal close
       case WebSocketCloseEventStatusCode.CLOSE_NO_STATUS:
         logger.info(`${this._logPrefix()} Socket normally closed with status '${Utils.getWebSocketCloseEventStatusString(closeEvent)}'`);
-        this._autoReconnectRetryCount = 0;
+        this.autoReconnectRetryCount = 0;
         break;
       default: // Abnormal close
         logger.error(`${this._logPrefix()} Socket abnormally closed with status '${Utils.getWebSocketCloseEventStatusString(closeEvent)}'`);
@@ -746,7 +734,7 @@ export default class ChargingStation {
         // Incoming Message
         case MessageType.CALL_MESSAGE:
           if (this.getEnableStatistics()) {
-            this._statistics.addMessage(commandName, messageType);
+            this.statistics.addMessage(commandName, messageType);
           }
           // Process the call
           await this.handleRequest(messageId, commandName, commandPayload);
@@ -754,8 +742,8 @@ export default class ChargingStation {
         // Outcome Message
         case MessageType.CALL_RESULT_MESSAGE:
           // Respond
-          if (Utils.isIterable(this._requests[messageId])) {
-            [responseCallback, , requestPayload] = this._requests[messageId];
+          if (Utils.isIterable(this.requests[messageId])) {
+            [responseCallback, , requestPayload] = this.requests[messageId];
           } else {
             throw new Error(`Response request for message id ${messageId} is not iterable`);
           }
@@ -763,21 +751,21 @@ export default class ChargingStation {
             // Error
             throw new Error(`Response request for unknown message id ${messageId}`);
           }
-          delete this._requests[messageId];
+          delete this.requests[messageId];
           responseCallback(commandName, requestPayload);
           break;
         // Error Message
         case MessageType.CALL_ERROR_MESSAGE:
-          if (!this._requests[messageId]) {
+          if (!this.requests[messageId]) {
             // Error
             throw new Error(`Error request for unknown message id ${messageId}`);
           }
-          if (Utils.isIterable(this._requests[messageId])) {
-            [, rejectCallback] = this._requests[messageId];
+          if (Utils.isIterable(this.requests[messageId])) {
+            [, rejectCallback] = this.requests[messageId];
           } else {
             throw new Error(`Error request for message id ${messageId} is not iterable`);
           }
-          delete this._requests[messageId];
+          delete this.requests[messageId];
           rejectCallback(new OCPPError(commandName, commandPayload.toString(), errorDetails));
           break;
         // Error
@@ -788,7 +776,7 @@ export default class ChargingStation {
       }
     } catch (error) {
       // Log
-      logger.error('%s Incoming message %j processing error %j on request content type %j', this._logPrefix(), messageEvent, error, this._requests[messageId]);
+      logger.error('%s Incoming message %j processing error %j on request content type %j', this._logPrefix(), messageEvent, error, this.requests[messageId]);
       // Send error
       messageType !== MessageType.CALL_ERROR_MESSAGE && await this.sendError(messageId, error, commandName);
     }
@@ -805,7 +793,7 @@ export default class ChargingStation {
 
   async sendBootNotification(): Promise<BootNotificationResponse> {
     try {
-      return await this.sendMessage(Utils.generateUUID(), this._bootNotificationRequest, MessageType.CALL_MESSAGE, RequestCommand.BOOT_NOTIFICATION) as BootNotificationResponse;
+      return await this.sendMessage(Utils.generateUUID(), this.bootNotificationRequest, MessageType.CALL_MESSAGE, RequestCommand.BOOT_NOTIFICATION) as BootNotificationResponse;
     } catch (error) {
       this.handleRequestError(RequestCommand.BOOT_NOTIFICATION, error);
     }
@@ -882,7 +870,7 @@ export default class ChargingStation {
         // Request
         case MessageType.CALL_MESSAGE:
           // Build request
-          this._requests[messageId] = [responseCallback, rejectCallback, commandParams] as Request;
+          this.requests[messageId] = [responseCallback, rejectCallback, commandParams] as Request;
           messageToSend = JSON.stringify([messageType, messageId, commandName, commandParams]);
           break;
         // Response
@@ -899,14 +887,14 @@ export default class ChargingStation {
       // Check if wsConnection opened and charging station registered
       if (this._isWebSocketOpen() && (this._isRegistered() || commandName === RequestCommand.BOOT_NOTIFICATION)) {
         if (this.getEnableStatistics()) {
-          this._statistics.addMessage(commandName, messageType);
+          this.statistics.addMessage(commandName, messageType);
         }
         // Yes: Send Message
-        this._wsConnection.send(messageToSend);
+        this.wsConnection.send(messageToSend);
       } else if (commandName !== RequestCommand.BOOT_NOTIFICATION) {
         let dups = false;
         // Handle dups in buffer
-        for (const message of this._messageQueue) {
+        for (const message of this.messageQueue) {
           // Same message
           if (messageToSend === message) {
             dups = true;
@@ -915,7 +903,7 @@ export default class ChargingStation {
         }
         if (!dups) {
           // Buffer message
-          this._messageQueue.push(messageToSend);
+          this.messageQueue.push(messageToSend);
         }
         // Reject it
         return rejectCallback(new OCPPError(commandParams.code ? commandParams.code : ErrorType.GENERIC_ERROR, commandParams.message ? commandParams.message : `WebSocket closed for message id '${messageId}' with content '${messageToSend}', message buffered`, commandParams.details ? commandParams.details : {}));
@@ -932,7 +920,7 @@ export default class ChargingStation {
       // Function that will receive the request's response
       async function responseCallback(payload: Record<string, unknown> | string, requestPayload: Record<string, unknown>): Promise<void> {
         if (self.getEnableStatistics()) {
-          self._statistics.addMessage(commandName, messageType);
+          self.statistics.addMessage(commandName, messageType);
         }
         // Send the response
         await self.handleResponse(commandName as RequestCommand, payload, requestPayload);
@@ -942,12 +930,12 @@ export default class ChargingStation {
       // Function that will receive the request's rejection
       function rejectCallback(error: OCPPError): void {
         if (self.getEnableStatistics()) {
-          self._statistics.addMessage(commandName, messageType);
+          self.statistics.addMessage(commandName, messageType);
         }
         logger.debug(`${self._logPrefix()} Error: %j occurred when calling command %s with parameters: %j`, error, commandName, commandParams);
         // Build Exception
         // eslint-disable-next-line no-empty-function
-        self._requests[messageId] = [() => { }, () => { }, {}]; // Properly format the request
+        self.requests[messageId] = [() => { }, () => { }, {}]; // Properly format the request
         // Send error
         reject(error);
       }
@@ -965,10 +953,10 @@ export default class ChargingStation {
 
   handleResponseBootNotification(payload: BootNotificationResponse, requestPayload: BootNotificationRequest): void {
     if (payload.status === RegistrationStatus.ACCEPTED) {
-      this._heartbeatSetInterval ? this._restartHeartbeat() : this._startHeartbeat();
+      this.heartbeatSetInterval ? this._restartHeartbeat() : this._startHeartbeat();
       this._addConfigurationKey(StandardParametersKey.HeartBeatInterval, payload.interval.toString());
       this._addConfigurationKey(StandardParametersKey.HeartbeatInterval, payload.interval.toString(), false, false);
-      this._hasStopped && (this._hasStopped = false);
+      this.hasStopped && (this.hasStopped = false);
     } else if (payload.status === RegistrationStatus.PENDING) {
       logger.info(this._logPrefix() + ' Charging station in pending state on the central server');
     } else {
@@ -994,7 +982,7 @@ export default class ChargingStation {
     const connectorId = requestPayload.connectorId;
 
     let transactionConnectorId: number;
-    for (const connector in this._connectors) {
+    for (const connector in this.connectors) {
       if (Utils.convertToInt(connector) > 0 && Utils.convertToInt(connector) === connectorId) {
         transactionConnectorId = Utils.convertToInt(connector);
         break;
@@ -1015,9 +1003,9 @@ export default class ChargingStation {
       this.getConnector(connectorId).idTag = requestPayload.idTag;
       this.getConnector(connectorId).lastEnergyActiveImportRegisterValue = 0;
       await this.sendStatusNotification(connectorId, ChargePointStatus.CHARGING);
-      logger.info(this._logPrefix() + ' Transaction ' + payload.transactionId.toString() + ' STARTED on ' + this._stationInfo.chargingStationId + '#' + connectorId.toString() + ' for idTag ' + requestPayload.idTag);
-      if (this._stationInfo.powerSharedByConnectors) {
-        this._stationInfo.powerDivider++;
+      logger.info(this._logPrefix() + ' Transaction ' + payload.transactionId.toString() + ' STARTED on ' + this.stationInfo.chargingStationId + '#' + connectorId.toString() + ' for idTag ' + requestPayload.idTag);
+      if (this.stationInfo.powerSharedByConnectors) {
+        this.stationInfo.powerDivider++;
       }
       const configuredMeterValueSampleInterval = this._getConfigurationKey(StandardParametersKey.MeterValueSampleInterval);
       this._startMeterValues(connectorId,
@@ -1031,7 +1019,7 @@ export default class ChargingStation {
 
   async handleResponseStopTransaction(payload: StopTransactionResponse, requestPayload: StopTransactionRequest): Promise<void> {
     let transactionConnectorId: number;
-    for (const connector in this._connectors) {
+    for (const connector in this.connectors) {
       if (Utils.convertToInt(connector) > 0 && this.getConnector(Utils.convertToInt(connector))?.transactionId === requestPayload.transactionId) {
         transactionConnectorId = Utils.convertToInt(connector);
         break;
@@ -1047,10 +1035,10 @@ export default class ChargingStation {
       } else {
         await this.sendStatusNotification(transactionConnectorId, ChargePointStatus.AVAILABLE);
       }
-      if (this._stationInfo.powerSharedByConnectors) {
-        this._stationInfo.powerDivider--;
+      if (this.stationInfo.powerSharedByConnectors) {
+        this.stationInfo.powerDivider--;
       }
-      logger.info(this._logPrefix() + ' Transaction ' + requestPayload.transactionId.toString() + ' STOPPED on ' + this._stationInfo.chargingStationId + '#' + transactionConnectorId.toString());
+      logger.info(this._logPrefix() + ' Transaction ' + requestPayload.transactionId.toString() + ' STOPPED on ' + this.stationInfo.chargingStationId + '#' + transactionConnectorId.toString());
       this._resetTransactionOnConnector(transactionConnectorId);
     } else {
       logger.error(this._logPrefix() + ' Stopping transaction id ' + requestPayload.transactionId.toString() + ' REJECTED with status ' + payload.idTagInfo?.status);
@@ -1096,10 +1084,10 @@ export default class ChargingStation {
   handleRequestReset(commandPayload: ResetRequest): DefaultResponse {
     setImmediate(async () => {
       await this.stop(commandPayload.type + 'Reset' as StopTransactionReason);
-      await Utils.sleep(this._stationInfo.resetTime);
+      await Utils.sleep(this.stationInfo.resetTime);
       await this.start();
     });
-    logger.info(`${this._logPrefix()} ${commandPayload.type} reset command received, simulating it. The station will be back online in ${Utils.milliSecondsToHHMMSS(this._stationInfo.resetTime)}`);
+    logger.info(`${this._logPrefix()} ${commandPayload.type} reset command received, simulating it. The station will be back online in ${Utils.milliSecondsToHHMMSS(this.stationInfo.resetTime)}`);
     return Constants.OCPP_RESPONSE_ACCEPTED;
   }
 
@@ -1125,7 +1113,7 @@ export default class ChargingStation {
   }
 
   _getConfigurationKey(key: string | StandardParametersKey, caseInsensitive = false): ConfigurationKey {
-    const configurationKey: ConfigurationKey = this._configuration.configurationKey.find((configElement) => {
+    const configurationKey: ConfigurationKey = this.configuration.configurationKey.find((configElement) => {
       if (caseInsensitive) {
         return configElement.key.toLowerCase() === key.toLowerCase();
       }
@@ -1137,7 +1125,7 @@ export default class ChargingStation {
   _addConfigurationKey(key: string | StandardParametersKey, value: string, readonly = false, visible = true, reboot = false): void {
     const keyFound = this._getConfigurationKey(key);
     if (!keyFound) {
-      this._configuration.configurationKey.push({
+      this.configuration.configurationKey.push({
         key,
         readonly,
         value,
@@ -1152,8 +1140,8 @@ export default class ChargingStation {
   _setConfigurationKeyValue(key: string | StandardParametersKey, value: string): void {
     const keyFound = this._getConfigurationKey(key);
     if (keyFound) {
-      const keyIndex = this._configuration.configurationKey.indexOf(keyFound);
-      this._configuration.configurationKey[keyIndex].value = value;
+      const keyIndex = this.configuration.configurationKey.indexOf(keyFound);
+      this.configuration.configurationKey[keyIndex].value = value;
     } else {
       logger.error(`${this._logPrefix()} Trying to set a value on a non existing configuration key: %j`, { key, value });
     }
@@ -1163,7 +1151,7 @@ export default class ChargingStation {
     const configurationKey: OCPPConfigurationKey[] = [];
     const unknownKey: string[] = [];
     if (Utils.isEmptyArray(commandPayload.key)) {
-      for (const configuration of this._configuration.configurationKey) {
+      for (const configuration of this.configuration.configurationKey) {
         if (Utils.isUndefined(configuration.visible)) {
           configuration.visible = true;
         }
@@ -1216,10 +1204,10 @@ export default class ChargingStation {
     } else if (keyToChange && keyToChange.readonly) {
       return Constants.OCPP_CONFIGURATION_RESPONSE_REJECTED;
     } else if (keyToChange && !keyToChange.readonly) {
-      const keyIndex = this._configuration.configurationKey.indexOf(keyToChange);
+      const keyIndex = this.configuration.configurationKey.indexOf(keyToChange);
       let valueChanged = false;
-      if (this._configuration.configurationKey[keyIndex].value !== commandPayload.value) {
-        this._configuration.configurationKey[keyIndex].value = commandPayload.value;
+      if (this.configuration.configurationKey[keyIndex].value !== commandPayload.value) {
+        this.configuration.configurationKey[keyIndex].value = commandPayload.value;
         valueChanged = true;
       }
       let triggerHeartbeatRestart = false;
@@ -1272,7 +1260,7 @@ export default class ChargingStation {
     const chargePointStatus: ChargePointStatus = commandPayload.type === AvailabilityType.OPERATIVE ? ChargePointStatus.AVAILABLE : ChargePointStatus.UNAVAILABLE;
     if (connectorId === 0) {
       let response: ChangeAvailabilityResponse = Constants.OCPP_AVAILABILITY_RESPONSE_ACCEPTED;
-      for (const connector in this._connectors) {
+      for (const connector in this.connectors) {
         if (this.getConnector(Utils.convertToInt(connector)).transactionStarted) {
           response = Constants.OCPP_AVAILABILITY_RESPONSE_SCHEDULED;
         }
@@ -1297,11 +1285,11 @@ export default class ChargingStation {
     if (this._isChargingStationAvailable() && this._isConnectorAvailable(transactionConnectorID)) {
       if (this._getAuthorizeRemoteTxRequests() && this._getLocalAuthListEnabled() && this.hasAuthorizedTags()) {
         // Check if authorized
-        if (this._authorizedTags.find((value) => value === commandPayload.idTag)) {
+        if (this.authorizedTags.find((value) => value === commandPayload.idTag)) {
           await this.sendStatusNotification(transactionConnectorID, ChargePointStatus.PREPARING);
           // Authorization successful start transaction
           await this.sendStartTransaction(transactionConnectorID, commandPayload.idTag);
-          logger.debug(this._logPrefix() + ' Transaction remotely STARTED on ' + this._stationInfo.chargingStationId + '#' + transactionConnectorID.toString() + ' for idTag ' + commandPayload.idTag);
+          logger.debug(this._logPrefix() + ' Transaction remotely STARTED on ' + this.stationInfo.chargingStationId + '#' + transactionConnectorID.toString() + ' for idTag ' + commandPayload.idTag);
           return Constants.OCPP_RESPONSE_ACCEPTED;
         }
         logger.error(this._logPrefix() + ' Remote starting transaction REJECTED on connector Id ' + transactionConnectorID.toString() + ', idTag ' + commandPayload.idTag);
@@ -1310,7 +1298,7 @@ export default class ChargingStation {
       await this.sendStatusNotification(transactionConnectorID, ChargePointStatus.PREPARING);
       // No local authorization check required => start transaction
       await this.sendStartTransaction(transactionConnectorID, commandPayload.idTag);
-      logger.debug(this._logPrefix() + ' Transaction remotely STARTED on ' + this._stationInfo.chargingStationId + '#' + transactionConnectorID.toString() + ' for idTag ' + commandPayload.idTag);
+      logger.debug(this._logPrefix() + ' Transaction remotely STARTED on ' + this.stationInfo.chargingStationId + '#' + transactionConnectorID.toString() + ' for idTag ' + commandPayload.idTag);
       return Constants.OCPP_RESPONSE_ACCEPTED;
     }
     logger.error(this._logPrefix() + ' Remote starting transaction REJECTED on unavailable connector Id ' + transactionConnectorID.toString() + ', idTag ' + commandPayload.idTag);
@@ -1319,7 +1307,7 @@ export default class ChargingStation {
 
   async handleRequestRemoteStopTransaction(commandPayload: RemoteStopTransactionRequest): Promise<DefaultResponse> {
     const transactionId = commandPayload.transactionId;
-    for (const connector in this._connectors) {
+    for (const connector in this.connectors) {
       if (Utils.convertToInt(connector) > 0 && this.getConnector(Utils.convertToInt(connector))?.transactionId === transactionId) {
         await this.sendStatusNotification(Utils.convertToInt(connector), ChargePointStatus.FINISHING);
         await this.sendStopTransaction(transactionId);
@@ -1382,19 +1370,19 @@ export default class ChargingStation {
         // Power.Active.Import measurand
         } else if (meterValuesTemplate[index].measurand && meterValuesTemplate[index].measurand === MeterValueMeasurand.POWER_ACTIVE_IMPORT && self._getConfigurationKey(StandardParametersKey.MeterValuesSampledData).value.includes(MeterValueMeasurand.POWER_ACTIVE_IMPORT)) {
           // FIXME: factor out powerDivider checks
-          if (Utils.isUndefined(self._stationInfo.powerDivider)) {
+          if (Utils.isUndefined(self.stationInfo.powerDivider)) {
             const errMsg = `${self._logPrefix()} MeterValues measurand ${meterValuesTemplate[index].measurand ? meterValuesTemplate[index].measurand : MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER}: powerDivider is undefined`;
             logger.error(errMsg);
             throw Error(errMsg);
-          } else if (self._stationInfo.powerDivider && self._stationInfo.powerDivider <= 0) {
-            const errMsg = `${self._logPrefix()} MeterValues measurand ${meterValuesTemplate[index].measurand ? meterValuesTemplate[index].measurand : MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER}: powerDivider have zero or below value ${self._stationInfo.powerDivider}`;
+          } else if (self.stationInfo.powerDivider && self.stationInfo.powerDivider <= 0) {
+            const errMsg = `${self._logPrefix()} MeterValues measurand ${meterValuesTemplate[index].measurand ? meterValuesTemplate[index].measurand : MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER}: powerDivider have zero or below value ${self.stationInfo.powerDivider}`;
             logger.error(errMsg);
             throw Error(errMsg);
           }
-          const errMsg = `${self._logPrefix()} MeterValues measurand ${meterValuesTemplate[index].measurand ? meterValuesTemplate[index].measurand : MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER}: Unknown ${self._getPowerOutType()} powerOutType in template file ${self._stationTemplateFile}, cannot calculate ${meterValuesTemplate[index].measurand ? meterValuesTemplate[index].measurand : MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER} measurand value`;
+          const errMsg = `${self._logPrefix()} MeterValues measurand ${meterValuesTemplate[index].measurand ? meterValuesTemplate[index].measurand : MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER}: Unknown ${self._getPowerOutType()} powerOutType in template file ${self.stationTemplateFile}, cannot calculate ${meterValuesTemplate[index].measurand ? meterValuesTemplate[index].measurand : MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER} measurand value`;
           const powerMeasurandValues = {} as MeasurandValues;
-          const maxPower = Math.round(self._stationInfo.maxPower / self._stationInfo.powerDivider);
-          const maxPowerPerPhase = Math.round((self._stationInfo.maxPower / self._stationInfo.powerDivider) / self._getNumberOfPhases());
+          const maxPower = Math.round(self.stationInfo.maxPower / self.stationInfo.powerDivider);
+          const maxPowerPerPhase = Math.round((self.stationInfo.maxPower / self.stationInfo.powerDivider) / self._getNumberOfPhases());
           switch (self._getPowerOutType()) {
             case PowerOutType.AC:
               if (Utils.isUndefined(meterValuesTemplate[index].value)) {
@@ -1442,21 +1430,21 @@ export default class ChargingStation {
         // Current.Import measurand
         } else if (meterValuesTemplate[index].measurand && meterValuesTemplate[index].measurand === MeterValueMeasurand.CURRENT_IMPORT && self._getConfigurationKey(StandardParametersKey.MeterValuesSampledData).value.includes(MeterValueMeasurand.CURRENT_IMPORT)) {
           // FIXME: factor out powerDivider checks
-          if (Utils.isUndefined(self._stationInfo.powerDivider)) {
+          if (Utils.isUndefined(self.stationInfo.powerDivider)) {
             const errMsg = `${self._logPrefix()} MeterValues measurand ${meterValuesTemplate[index].measurand ? meterValuesTemplate[index].measurand : MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER}: powerDivider is undefined`;
             logger.error(errMsg);
             throw Error(errMsg);
-          } else if (self._stationInfo.powerDivider && self._stationInfo.powerDivider <= 0) {
-            const errMsg = `${self._logPrefix()} MeterValues measurand ${meterValuesTemplate[index].measurand ? meterValuesTemplate[index].measurand : MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER}: powerDivider have zero or below value ${self._stationInfo.powerDivider}`;
+          } else if (self.stationInfo.powerDivider && self.stationInfo.powerDivider <= 0) {
+            const errMsg = `${self._logPrefix()} MeterValues measurand ${meterValuesTemplate[index].measurand ? meterValuesTemplate[index].measurand : MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER}: powerDivider have zero or below value ${self.stationInfo.powerDivider}`;
             logger.error(errMsg);
             throw Error(errMsg);
           }
-          const errMsg = `${self._logPrefix()} MeterValues measurand ${meterValuesTemplate[index].measurand ? meterValuesTemplate[index].measurand : MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER}: Unknown ${self._getPowerOutType()} powerOutType in template file ${self._stationTemplateFile}, cannot calculate ${meterValuesTemplate[index].measurand ? meterValuesTemplate[index].measurand : MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER} measurand value`;
+          const errMsg = `${self._logPrefix()} MeterValues measurand ${meterValuesTemplate[index].measurand ? meterValuesTemplate[index].measurand : MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER}: Unknown ${self._getPowerOutType()} powerOutType in template file ${self.stationTemplateFile}, cannot calculate ${meterValuesTemplate[index].measurand ? meterValuesTemplate[index].measurand : MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER} measurand value`;
           const currentMeasurandValues: MeasurandValues = {} as MeasurandValues;
           let maxAmperage: number;
           switch (self._getPowerOutType()) {
             case PowerOutType.AC:
-              maxAmperage = ElectricUtils.ampPerPhaseFromPower(self._getNumberOfPhases(), self._stationInfo.maxPower / self._stationInfo.powerDivider, self._getVoltageOut());
+              maxAmperage = ElectricUtils.ampPerPhaseFromPower(self._getNumberOfPhases(), self.stationInfo.maxPower / self.stationInfo.powerDivider, self._getVoltageOut());
               if (Utils.isUndefined(meterValuesTemplate[index].value)) {
                 currentMeasurandValues.L1 = Utils.getRandomFloatRounded(maxAmperage);
                 currentMeasurandValues.L2 = 0;
@@ -1469,7 +1457,7 @@ export default class ChargingStation {
               }
               break;
             case PowerOutType.DC:
-              maxAmperage = ElectricUtils.ampTotalFromPower(self._stationInfo.maxPower / self._stationInfo.powerDivider, self._getVoltageOut());
+              maxAmperage = ElectricUtils.ampTotalFromPower(self.stationInfo.maxPower / self.stationInfo.powerDivider, self._getVoltageOut());
               if (Utils.isUndefined(meterValuesTemplate[index].value)) {
                 currentMeasurandValues.allPhases = Utils.getRandomFloatRounded(maxAmperage);
               }
@@ -1503,17 +1491,17 @@ export default class ChargingStation {
         // Energy.Active.Import.Register measurand (default)
         } else if (!meterValuesTemplate[index].measurand || meterValuesTemplate[index].measurand === MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER) {
           // FIXME: factor out powerDivider checks
-          if (Utils.isUndefined(self._stationInfo.powerDivider)) {
+          if (Utils.isUndefined(self.stationInfo.powerDivider)) {
             const errMsg = `${self._logPrefix()} MeterValues measurand ${meterValuesTemplate[index].measurand ? meterValuesTemplate[index].measurand : MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER}: powerDivider is undefined`;
             logger.error(errMsg);
             throw Error(errMsg);
-          } else if (self._stationInfo.powerDivider && self._stationInfo.powerDivider <= 0) {
-            const errMsg = `${self._logPrefix()} MeterValues measurand ${meterValuesTemplate[index].measurand ? meterValuesTemplate[index].measurand : MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER}: powerDivider have zero or below value ${self._stationInfo.powerDivider}`;
+          } else if (self.stationInfo.powerDivider && self.stationInfo.powerDivider <= 0) {
+            const errMsg = `${self._logPrefix()} MeterValues measurand ${meterValuesTemplate[index].measurand ? meterValuesTemplate[index].measurand : MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER}: powerDivider have zero or below value ${self.stationInfo.powerDivider}`;
             logger.error(errMsg);
             throw Error(errMsg);
           }
           if (Utils.isUndefined(meterValuesTemplate[index].value)) {
-            const measurandValue = Utils.getRandomInt(self._stationInfo.maxPower / (self._stationInfo.powerDivider * 3600000) * interval);
+            const measurandValue = Utils.getRandomInt(self.stationInfo.maxPower / (self.stationInfo.powerDivider * 3600000) * interval);
             // Persist previous value in connector
             if (connector && !Utils.isNullOrUndefined(connector.lastEnergyActiveImportRegisterValue) && connector.lastEnergyActiveImportRegisterValue >= 0) {
               connector.lastEnergyActiveImportRegisterValue += measurandValue;
@@ -1530,7 +1518,7 @@ export default class ChargingStation {
               { value: connector.lastEnergyActiveImportRegisterValue.toString() },
           });
           const sampledValuesIndex = meterValue.sampledValue.length - 1;
-          const maxConsumption = Math.round(self._stationInfo.maxPower * 3600 / (self._stationInfo.powerDivider * interval));
+          const maxConsumption = Math.round(self.stationInfo.maxPower * 3600 / (self.stationInfo.powerDivider * interval));
           if (Utils.convertToFloat(meterValue.sampledValue[sampledValuesIndex].value) > maxConsumption || debug) {
             logger.error(`${self._logPrefix()} MeterValues measurand ${meterValue.sampledValue[sampledValuesIndex].measurand ? meterValue.sampledValue[sampledValuesIndex].measurand : MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER}: connectorId ${connectorId}, transaction ${connector.transactionId}, value: ${meterValue.sampledValue[sampledValuesIndex].value}/${maxConsumption}`);
           }
index 370ec7a3f3779130ead17fc7b677207506f62b3f..824a304b8b43e17e75cb95271ed8b2d365273ca3 100644 (file)
@@ -1,16 +1,16 @@
-import { Worker, WorkerOptions } from 'worker_threads';
-
 import Configuration from '../utils/Configuration';
 import Constants from '../utils/Constants';
-import Pool from 'worker-threads-pool';
+import { Worker } from 'worker_threads';
 import WorkerData from '../types/WorkerData';
+import WorkerPool from './WorkerPool';
 
 export default class Wrk {
-  private _workerScript: string;
-  private _workerData: WorkerData;
-  private _worker: Worker;
-  private _maxWorkerElements: number;
-  private _numWorkerElements: number;
+  private static wrkInstances: Wrk[];
+  private workerScript: string;
+  private workerData: WorkerData;
+  private worker: Worker;
+  private maxWorkerElements: number;
+  private numWorkerElements: number;
 
   /**
    * Create a new `Wrk`.
@@ -20,10 +20,10 @@ export default class Wrk {
    * @param {number} maxWorkerElements
    */
   constructor(workerScript: string, workerData: WorkerData, maxWorkerElements = 1) {
-    this._workerData = workerData;
-    this._workerScript = workerScript;
-    this._maxWorkerElements = maxWorkerElements;
-    this._numWorkerElements = 0;
+    this.workerData = workerData;
+    this.workerScript = workerScript;
+    this.maxWorkerElements = maxWorkerElements;
+    this.numWorkerElements = 0;
     if (Configuration.useWorkerPool()) {
       WorkerPool.maxConcurrentWorkers = Configuration.getWorkerPoolMaxSize();
     }
@@ -36,11 +36,11 @@ export default class Wrk {
    */
   async start(): Promise<Worker> {
     if (Configuration.useWorkerPool()) {
-      await this._startWorkerWithPool();
+      await this.startWorkerPool();
     } else {
-      await this._startWorker();
+      await this.startWorker();
     }
-    return this._worker;
+    return this.worker;
   }
 
   /**
@@ -52,12 +52,12 @@ export default class Wrk {
     if (Configuration.useWorkerPool()) {
       throw Error('Cannot add Wrk element if the worker pool is enabled');
     }
-    if (this._numWorkerElements >= this._maxWorkerElements) {
+    if (this.numWorkerElements >= this.maxWorkerElements) {
       throw Error('Cannot add Wrk element: max number of elements per worker reached');
     }
-    this._workerData = workerData;
-    this._worker.postMessage({ id: Constants.START_WORKER_ELEMENT, workerData: workerData });
-    this._numWorkerElements++;
+    this.workerData = workerData;
+    this.worker.postMessage({ id: Constants.START_WORKER_ELEMENT, workerData: workerData });
+    this.numWorkerElements++;
   }
 
   /**
@@ -76,15 +76,15 @@ export default class Wrk {
    * @return {Promise}
    * @private
    */
-  private async _startWorkerWithPool() {
+  private async startWorkerPool() {
     return new Promise((resolve, reject) => {
-      WorkerPool.acquire(this._workerScript, { workerData: this._workerData }, (err, worker) => {
+      WorkerPool.acquire(this.workerScript, { workerData: this.workerData }, (err, worker) => {
         if (err) {
           return reject(err);
         }
         worker.once('message', resolve);
         worker.once('error', reject);
-        this._worker = worker;
+        this.worker = worker;
       });
     });
   }
@@ -94,9 +94,9 @@ export default class Wrk {
    * @return {Promise}
    * @private
    */
-  private async _startWorker() {
+  private async startWorker() {
     return new Promise((resolve, reject) => {
-      const worker = new Worker(this._workerScript, { workerData: this._workerData });
+      const worker = new Worker(this.workerScript, { workerData: this.workerData });
       worker.on('message', resolve);
       worker.on('error', reject);
       worker.on('exit', (code) => {
@@ -104,31 +104,8 @@ export default class Wrk {
           reject(new Error(`Worker stopped with exit code ${code}`));
         }
       });
-      this._numWorkerElements++;
-      this._worker = worker;
+      this.numWorkerElements++;
+      this.worker = worker;
     });
   }
 }
-
-
-class WorkerPool {
-  public static maxConcurrentWorkers: number;
-  private static _instance: Pool;
-
-  private constructor() { }
-
-  public static getInstance(): Pool {
-    if (!WorkerPool._instance) {
-      WorkerPool._instance = new Pool({ max: WorkerPool.maxConcurrentWorkers });
-    }
-    return WorkerPool._instance;
-  }
-
-  public static acquire(filename: string, options: WorkerOptions, callback: (error: Error | null, worker: Worker) => void): void {
-    WorkerPool.getInstance().acquire(filename, options, callback);
-  }
-
-  public static getPoolSize(): number {
-    return WorkerPool.getInstance().size;
-  }
-}
index d6174d96dea7a602fa19712816283e42a8a25701..de8951d02e345f276bd24a8fe1af9ee2b2312a58 100644 (file)
@@ -10,15 +10,11 @@ import logger from './Logger';
 
 export default class Statistics {
   private static instance: Statistics;
-  private _objName: string;
-  private _commandsStatistics: CommandStatistics;
+  public objName: string;
+  private commandsStatistics: CommandStatistics;
 
   private constructor() {
-    this._commandsStatistics = {} as CommandStatistics;
-  }
-
-  set objName(objName: string) {
-    this._objName = objName;
+    this.commandsStatistics = {} as CommandStatistics;
   }
 
   static getInstance(): Statistics {
@@ -31,35 +27,35 @@ export default class Statistics {
   addMessage(command: RequestCommand | IncomingRequestCommand, messageType: MessageType): void {
     switch (messageType) {
       case MessageType.CALL_MESSAGE:
-        if (this._commandsStatistics[command] && this._commandsStatistics[command].countRequest) {
-          this._commandsStatistics[command].countRequest++;
+        if (this.commandsStatistics[command] && this.commandsStatistics[command].countRequest) {
+          this.commandsStatistics[command].countRequest++;
         } else {
-          this._commandsStatistics[command] = {} as CommandStatisticsData;
-          this._commandsStatistics[command].countRequest = 1;
+          this.commandsStatistics[command] = {} as CommandStatisticsData;
+          this.commandsStatistics[command].countRequest = 1;
         }
         break;
       case MessageType.CALL_RESULT_MESSAGE:
-        if (this._commandsStatistics[command]) {
-          if (this._commandsStatistics[command].countResponse) {
-            this._commandsStatistics[command].countResponse++;
+        if (this.commandsStatistics[command]) {
+          if (this.commandsStatistics[command].countResponse) {
+            this.commandsStatistics[command].countResponse++;
           } else {
-            this._commandsStatistics[command].countResponse = 1;
+            this.commandsStatistics[command].countResponse = 1;
           }
         } else {
-          this._commandsStatistics[command] = {} as CommandStatisticsData;
-          this._commandsStatistics[command].countResponse = 1;
+          this.commandsStatistics[command] = {} as CommandStatisticsData;
+          this.commandsStatistics[command].countResponse = 1;
         }
         break;
       case MessageType.CALL_ERROR_MESSAGE:
-        if (this._commandsStatistics[command]) {
-          if (this._commandsStatistics[command].countError) {
-            this._commandsStatistics[command].countError++;
+        if (this.commandsStatistics[command]) {
+          if (this.commandsStatistics[command].countError) {
+            this.commandsStatistics[command].countError++;
           } else {
-            this._commandsStatistics[command].countError = 1;
+            this.commandsStatistics[command].countError = 1;
           }
         } else {
-          this._commandsStatistics[command] = {} as CommandStatisticsData;
-          this._commandsStatistics[command].countError = 1;
+          this.commandsStatistics[command] = {} as CommandStatisticsData;
+          this.commandsStatistics[command].countError = 1;
         }
         break;
       default:
@@ -83,7 +79,7 @@ export default class Statistics {
   }
 
   private _display(): void {
-    logger.info(this._logPrefix() + ' %j', this._commandsStatistics);
+    logger.info(this._logPrefix() + ' %j', this.commandsStatistics);
   }
 
   private _displayInterval(): void {
@@ -118,21 +114,21 @@ export default class Statistics {
       command = MAPCOMMAND[command] as RequestCommand | IncomingRequestCommand;
     }
     // Initialize command statistics
-    if (!this._commandsStatistics[command]) {
-      this._commandsStatistics[command] = {} as CommandStatisticsData;
+    if (!this.commandsStatistics[command]) {
+      this.commandsStatistics[command] = {} as CommandStatisticsData;
     }
     // Update current statistics timers
-    this._commandsStatistics[command].countTimeMeasurement = this._commandsStatistics[command].countTimeMeasurement ? this._commandsStatistics[command].countTimeMeasurement + 1 : 1;
-    this._commandsStatistics[command].currentTimeMeasurement = duration;
-    this._commandsStatistics[command].minTimeMeasurement = this._commandsStatistics[command].minTimeMeasurement ? (this._commandsStatistics[command].minTimeMeasurement > duration ? duration : this._commandsStatistics[command].minTimeMeasurement) : duration;
-    this._commandsStatistics[command].maxTimeMeasurement = this._commandsStatistics[command].maxTimeMeasurement ? (this._commandsStatistics[command].maxTimeMeasurement < duration ? duration : this._commandsStatistics[command].maxTimeMeasurement) : duration;
-    this._commandsStatistics[command].totalTimeMeasurement = this._commandsStatistics[command].totalTimeMeasurement ? this._commandsStatistics[command].totalTimeMeasurement + duration : duration;
-    this._commandsStatistics[command].avgTimeMeasurement = this._commandsStatistics[command].totalTimeMeasurement / this._commandsStatistics[command].countTimeMeasurement;
-    Array.isArray(this._commandsStatistics[command].timeMeasurementSeries) ? this._commandsStatistics[command].timeMeasurementSeries.push(duration) : this._commandsStatistics[command].timeMeasurementSeries = [duration] as CircularArray<number>;
-    this._commandsStatistics[command].medTimeMeasurement = this.median(this._commandsStatistics[command].timeMeasurementSeries);
+    this.commandsStatistics[command].countTimeMeasurement = this.commandsStatistics[command].countTimeMeasurement ? this.commandsStatistics[command].countTimeMeasurement + 1 : 1;
+    this.commandsStatistics[command].currentTimeMeasurement = duration;
+    this.commandsStatistics[command].minTimeMeasurement = this.commandsStatistics[command].minTimeMeasurement ? (this.commandsStatistics[command].minTimeMeasurement > duration ? duration : this.commandsStatistics[command].minTimeMeasurement) : duration;
+    this.commandsStatistics[command].maxTimeMeasurement = this.commandsStatistics[command].maxTimeMeasurement ? (this.commandsStatistics[command].maxTimeMeasurement < duration ? duration : this.commandsStatistics[command].maxTimeMeasurement) : duration;
+    this.commandsStatistics[command].totalTimeMeasurement = this.commandsStatistics[command].totalTimeMeasurement ? this.commandsStatistics[command].totalTimeMeasurement + duration : duration;
+    this.commandsStatistics[command].avgTimeMeasurement = this.commandsStatistics[command].totalTimeMeasurement / this.commandsStatistics[command].countTimeMeasurement;
+    Array.isArray(this.commandsStatistics[command].timeMeasurementSeries) ? this.commandsStatistics[command].timeMeasurementSeries.push(duration) : this.commandsStatistics[command].timeMeasurementSeries = [duration] as CircularArray<number>;
+    this.commandsStatistics[command].medTimeMeasurement = this.median(this.commandsStatistics[command].timeMeasurementSeries);
   }
 
   private _logPrefix(): string {
-    return Utils.logPrefix(` ${this._objName} Statistics:`);
+    return Utils.logPrefix(` ${this.objName} Statistics:`);
   }
 }