X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;f=src%2Fcharging-station%2Focpp%2F1.6%2FOCPP16ResponseService.ts;h=543e2eda6e84e0a98dc8862c25c36c3d92b2dd93;hb=66dd344779f5258bbf4c76b386d005c0c2160b11;hp=9093187d38a23c10f527932eca65702cc206acac;hpb=ada189a839743451d477d5b3bddc698f2634d799;p=e-mobility-charging-stations-simulator.git

diff --git a/src/charging-station/ocpp/1.6/OCPP16ResponseService.ts b/src/charging-station/ocpp/1.6/OCPP16ResponseService.ts
index 9093187d..543e2eda 100644
--- a/src/charging-station/ocpp/1.6/OCPP16ResponseService.ts
+++ b/src/charging-station/ocpp/1.6/OCPP16ResponseService.ts
@@ -1,62 +1,312 @@
-// Partial Copyright Jerome Benoit. 2021. All Rights Reserved.
+// Partial Copyright Jerome Benoit. 2021-2023. All Rights Reserved.
 
-import OCPPError from '../../../exception/OCPPError';
-import { JsonType } from '../../../types/JsonType';
-import { OCPP16ChargePointErrorCode } from '../../../types/ocpp/1.6/ChargePointErrorCode';
-import { OCPP16ChargePointStatus } from '../../../types/ocpp/1.6/ChargePointStatus';
-import { OCPP16StandardParametersKey } from '../../../types/ocpp/1.6/Configuration';
-import {
-  OCPP16MeterValuesRequest,
-  OCPP16MeterValuesResponse,
-} from '../../../types/ocpp/1.6/MeterValues';
-import {
-  OCPP16BootNotificationRequest,
-  OCPP16RequestCommand,
-  OCPP16StatusNotificationRequest,
-} from '../../../types/ocpp/1.6/Requests';
+import { parentPort } from 'node:worker_threads';
+
+import type { JSONSchemaType } from 'ajv';
+
+import { OCPP16ServiceUtils } from './OCPP16ServiceUtils';
 import {
-  OCPP16BootNotificationResponse,
-  OCPP16RegistrationStatus,
-  OCPP16StatusNotificationResponse,
-} from '../../../types/ocpp/1.6/Responses';
+  type ChargingStation,
+  ChargingStationConfigurationUtils,
+  ChargingStationUtils,
+} from '../../../charging-station';
+import { OCPPError } from '../../../exception';
 import {
+  type ChangeAvailabilityResponse,
+  type ChangeConfigurationResponse,
+  type ClearChargingProfileResponse,
+  ErrorType,
+  type GenericResponse,
+  type GetConfigurationResponse,
+  type GetDiagnosticsResponse,
+  type JsonObject,
+  type JsonType,
   OCPP16AuthorizationStatus,
-  OCPP16AuthorizeRequest,
-  OCPP16AuthorizeResponse,
-  OCPP16StartTransactionRequest,
-  OCPP16StartTransactionResponse,
-  OCPP16StopTransactionRequest,
-  OCPP16StopTransactionResponse,
-} from '../../../types/ocpp/1.6/Transaction';
-import { ErrorType } from '../../../types/ocpp/ErrorType';
-import { ResponseHandler } from '../../../types/ocpp/Responses';
-import logger from '../../../utils/Logger';
-import Utils from '../../../utils/Utils';
-import type ChargingStation from '../../ChargingStation';
-import { ChargingStationConfigurationUtils } from '../../ChargingStationConfigurationUtils';
-import { ChargingStationUtils } from '../../ChargingStationUtils';
-import OCPPResponseService from '../OCPPResponseService';
-import { OCPP16ServiceUtils } from './OCPP16ServiceUtils';
+  type OCPP16AuthorizeRequest,
+  type OCPP16AuthorizeResponse,
+  type OCPP16BootNotificationResponse,
+  type OCPP16CancelReservationResponse,
+  OCPP16ChargePointStatus,
+  type OCPP16DataTransferResponse,
+  type OCPP16DiagnosticsStatusNotificationResponse,
+  type OCPP16FirmwareStatusNotificationResponse,
+  type OCPP16GetCompositeScheduleResponse,
+  type OCPP16HeartbeatResponse,
+  OCPP16IncomingRequestCommand,
+  type OCPP16MeterValuesRequest,
+  type OCPP16MeterValuesResponse,
+  OCPP16RequestCommand,
+  type OCPP16ReserveNowResponse,
+  OCPP16StandardParametersKey,
+  type OCPP16StartTransactionRequest,
+  type OCPP16StartTransactionResponse,
+  type OCPP16StatusNotificationResponse,
+  type OCPP16StopTransactionRequest,
+  type OCPP16StopTransactionResponse,
+  type OCPP16TriggerMessageResponse,
+  type OCPP16UpdateFirmwareResponse,
+  OCPPVersion,
+  RegistrationStatusEnumType,
+  type ResponseHandler,
+  type SetChargingProfileResponse,
+  type UnlockConnectorResponse,
+} from '../../../types';
+import { Constants, MessageChannelUtils, Utils, logger } from '../../../utils';
+import { OCPPResponseService } from '../OCPPResponseService';
 
 const moduleName = 'OCPP16ResponseService';
 
-export default class OCPP16ResponseService extends OCPPResponseService {
+export class OCPP16ResponseService extends OCPPResponseService {
+  public jsonIncomingRequestResponseSchemas: Map<
+    OCPP16IncomingRequestCommand,
+    JSONSchemaType<JsonObject>
+  >;
+
   private responseHandlers: Map<OCPP16RequestCommand, ResponseHandler>;
+  private jsonSchemas: Map<OCPP16RequestCommand, JSONSchemaType<JsonObject>>;
 
   public constructor() {
-    if (new.target?.name === moduleName) {
-      throw new TypeError(`Cannot construct ${new.target?.name} instances directly`);
-    }
-    super();
+    // if (new.target?.name === moduleName) {
+    //   throw new TypeError(`Cannot construct ${new.target?.name} instances directly`);
+    // }
+    super(OCPPVersion.VERSION_16);
     this.responseHandlers = new Map<OCPP16RequestCommand, ResponseHandler>([
       [OCPP16RequestCommand.BOOT_NOTIFICATION, this.handleResponseBootNotification.bind(this)],
-      [OCPP16RequestCommand.HEARTBEAT, this.handleResponseHeartbeat.bind(this)],
+      [OCPP16RequestCommand.HEARTBEAT, this.emptyResponseHandler.bind(this)],
       [OCPP16RequestCommand.AUTHORIZE, this.handleResponseAuthorize.bind(this)],
       [OCPP16RequestCommand.START_TRANSACTION, this.handleResponseStartTransaction.bind(this)],
       [OCPP16RequestCommand.STOP_TRANSACTION, this.handleResponseStopTransaction.bind(this)],
-      [OCPP16RequestCommand.STATUS_NOTIFICATION, this.handleResponseStatusNotification.bind(this)],
-      [OCPP16RequestCommand.METER_VALUES, this.handleResponseMeterValues.bind(this)],
+      [OCPP16RequestCommand.STATUS_NOTIFICATION, this.emptyResponseHandler.bind(this)],
+      [OCPP16RequestCommand.METER_VALUES, this.emptyResponseHandler.bind(this)],
+      [OCPP16RequestCommand.DIAGNOSTICS_STATUS_NOTIFICATION, this.emptyResponseHandler.bind(this)],
+      [OCPP16RequestCommand.DATA_TRANSFER, this.emptyResponseHandler.bind(this)],
+      [OCPP16RequestCommand.FIRMWARE_STATUS_NOTIFICATION, this.emptyResponseHandler.bind(this)],
+    ]);
+    this.jsonSchemas = new Map<OCPP16RequestCommand, JSONSchemaType<JsonObject>>([
+      [
+        OCPP16RequestCommand.BOOT_NOTIFICATION,
+        OCPP16ServiceUtils.parseJsonSchemaFile<OCPP16BootNotificationResponse>(
+          'assets/json-schemas/ocpp/1.6/BootNotificationResponse.json',
+          moduleName,
+          'constructor'
+        ),
+      ],
+      [
+        OCPP16RequestCommand.HEARTBEAT,
+        OCPP16ServiceUtils.parseJsonSchemaFile<OCPP16HeartbeatResponse>(
+          'assets/json-schemas/ocpp/1.6/HeartbeatResponse.json',
+          moduleName,
+          'constructor'
+        ),
+      ],
+      [
+        OCPP16RequestCommand.AUTHORIZE,
+        OCPP16ServiceUtils.parseJsonSchemaFile<OCPP16AuthorizeResponse>(
+          'assets/json-schemas/ocpp/1.6/AuthorizeResponse.json',
+          moduleName,
+          'constructor'
+        ),
+      ],
+      [
+        OCPP16RequestCommand.START_TRANSACTION,
+        OCPP16ServiceUtils.parseJsonSchemaFile<OCPP16StartTransactionResponse>(
+          'assets/json-schemas/ocpp/1.6/StartTransactionResponse.json',
+          moduleName,
+          'constructor'
+        ),
+      ],
+      [
+        OCPP16RequestCommand.STOP_TRANSACTION,
+        OCPP16ServiceUtils.parseJsonSchemaFile<OCPP16StopTransactionResponse>(
+          'assets/json-schemas/ocpp/1.6/StopTransactionResponse.json',
+          moduleName,
+          'constructor'
+        ),
+      ],
+      [
+        OCPP16RequestCommand.STATUS_NOTIFICATION,
+        OCPP16ServiceUtils.parseJsonSchemaFile<OCPP16StatusNotificationResponse>(
+          'assets/json-schemas/ocpp/1.6/StatusNotificationResponse.json',
+          moduleName,
+          'constructor'
+        ),
+      ],
+      [
+        OCPP16RequestCommand.METER_VALUES,
+        OCPP16ServiceUtils.parseJsonSchemaFile<OCPP16MeterValuesResponse>(
+          'assets/json-schemas/ocpp/1.6/MeterValuesResponse.json',
+          moduleName,
+          'constructor'
+        ),
+      ],
+      [
+        OCPP16RequestCommand.DIAGNOSTICS_STATUS_NOTIFICATION,
+        OCPP16ServiceUtils.parseJsonSchemaFile<OCPP16DiagnosticsStatusNotificationResponse>(
+          'assets/json-schemas/ocpp/1.6/DiagnosticsStatusNotificationResponse.json',
+          moduleName,
+          'constructor'
+        ),
+      ],
+      [
+        OCPP16RequestCommand.DATA_TRANSFER,
+        OCPP16ServiceUtils.parseJsonSchemaFile<OCPP16DataTransferResponse>(
+          'assets/json-schemas/ocpp/1.6/DataTransferResponse.json',
+          moduleName,
+          'constructor'
+        ),
+      ],
+      [
+        OCPP16RequestCommand.FIRMWARE_STATUS_NOTIFICATION,
+        OCPP16ServiceUtils.parseJsonSchemaFile<OCPP16FirmwareStatusNotificationResponse>(
+          'assets/json-schemas/ocpp/1.6/FirmwareStatusNotificationResponse.json',
+          moduleName,
+          'constructor'
+        ),
+      ],
+      [
+        OCPP16RequestCommand.RESERVE_NOW,
+        OCPP16ServiceUtils.parseJsonSchemaFile<OCPP16ReserveNowResponse>(
+          'assets/json-schemas/ocpp/1.6/ReserveNowResponse.json',
+          moduleName,
+          'constructor'
+        ),
+      ],
+      [
+        OCPP16RequestCommand.CANCEL_RESERVATION,
+        OCPP16ServiceUtils.parseJsonSchemaFile<OCPP16CancelReservationResponse>(
+          'assets/json-schemas/ocpp/1.6/CancelReservationResponse.json',
+          moduleName,
+          'constructor'
+        ),
+      ],
+    ]);
+    this.jsonIncomingRequestResponseSchemas = new Map([
+      [
+        OCPP16IncomingRequestCommand.RESET,
+        OCPP16ServiceUtils.parseJsonSchemaFile<GenericResponse>(
+          'assets/json-schemas/ocpp/1.6/ResetResponse.json',
+          moduleName,
+          'constructor'
+        ),
+      ],
+      [
+        OCPP16IncomingRequestCommand.CLEAR_CACHE,
+        OCPP16ServiceUtils.parseJsonSchemaFile<GenericResponse>(
+          'assets/json-schemas/ocpp/1.6/ClearCacheResponse.json',
+          moduleName,
+          'constructor'
+        ),
+      ],
+      [
+        OCPP16IncomingRequestCommand.CHANGE_AVAILABILITY,
+        OCPP16ServiceUtils.parseJsonSchemaFile<ChangeAvailabilityResponse>(
+          'assets/json-schemas/ocpp/1.6/ChangeAvailabilityResponse.json',
+          moduleName,
+          'constructor'
+        ),
+      ],
+      [
+        OCPP16IncomingRequestCommand.UNLOCK_CONNECTOR,
+        OCPP16ServiceUtils.parseJsonSchemaFile<UnlockConnectorResponse>(
+          'assets/json-schemas/ocpp/1.6/UnlockConnectorResponse.json',
+          moduleName,
+          'constructor'
+        ),
+      ],
+      [
+        OCPP16IncomingRequestCommand.GET_CONFIGURATION,
+        OCPP16ServiceUtils.parseJsonSchemaFile<GetConfigurationResponse>(
+          'assets/json-schemas/ocpp/1.6/GetConfigurationResponse.json',
+          moduleName,
+          'constructor'
+        ),
+      ],
+      [
+        OCPP16IncomingRequestCommand.CHANGE_CONFIGURATION,
+        OCPP16ServiceUtils.parseJsonSchemaFile<ChangeConfigurationResponse>(
+          'assets/json-schemas/ocpp/1.6/ChangeConfigurationResponse.json',
+          moduleName,
+          'constructor'
+        ),
+      ],
+      [
+        OCPP16IncomingRequestCommand.GET_COMPOSITE_SCHEDULE,
+        OCPP16ServiceUtils.parseJsonSchemaFile<OCPP16GetCompositeScheduleResponse>(
+          'assets/json-schemas/ocpp/1.6/GetCompositeScheduleResponse.json',
+          moduleName,
+          'constructor'
+        ),
+      ],
+      [
+        OCPP16IncomingRequestCommand.SET_CHARGING_PROFILE,
+        OCPP16ServiceUtils.parseJsonSchemaFile<SetChargingProfileResponse>(
+          'assets/json-schemas/ocpp/1.6/SetChargingProfileResponse.json',
+          moduleName,
+          'constructor'
+        ),
+      ],
+      [
+        OCPP16IncomingRequestCommand.CLEAR_CHARGING_PROFILE,
+        OCPP16ServiceUtils.parseJsonSchemaFile<ClearChargingProfileResponse>(
+          'assets/json-schemas/ocpp/1.6/ClearChargingProfileResponse.json',
+          moduleName,
+          'constructor'
+        ),
+      ],
+      [
+        OCPP16IncomingRequestCommand.REMOTE_START_TRANSACTION,
+        OCPP16ServiceUtils.parseJsonSchemaFile<GenericResponse>(
+          'assets/json-schemas/ocpp/1.6/RemoteStartTransactionResponse.json',
+          moduleName,
+          'constructor'
+        ),
+      ],
+      [
+        OCPP16IncomingRequestCommand.REMOTE_STOP_TRANSACTION,
+        OCPP16ServiceUtils.parseJsonSchemaFile<GenericResponse>(
+          'assets/json-schemas/ocpp/1.6/RemoteStopTransactionResponse.json',
+          moduleName,
+          'constructor'
+        ),
+      ],
+      [
+        OCPP16IncomingRequestCommand.GET_DIAGNOSTICS,
+        OCPP16ServiceUtils.parseJsonSchemaFile<GetDiagnosticsResponse>(
+          'assets/json-schemas/ocpp/1.6/GetDiagnosticsResponse.json',
+          moduleName,
+          'constructor'
+        ),
+      ],
+      [
+        OCPP16IncomingRequestCommand.TRIGGER_MESSAGE,
+        OCPP16ServiceUtils.parseJsonSchemaFile<OCPP16TriggerMessageResponse>(
+          'assets/json-schemas/ocpp/1.6/TriggerMessageResponse.json',
+          moduleName,
+          'constructor'
+        ),
+      ],
+      [
+        OCPP16IncomingRequestCommand.DATA_TRANSFER,
+        OCPP16ServiceUtils.parseJsonSchemaFile<OCPP16DataTransferResponse>(
+          'assets/json-schemas/ocpp/1.6/DataTransferResponse.json',
+          moduleName,
+          'constructor'
+        ),
+      ],
+      [
+        OCPP16IncomingRequestCommand.UPDATE_FIRMWARE,
+        OCPP16ServiceUtils.parseJsonSchemaFile<OCPP16UpdateFirmwareResponse>(
+          'assets/json-schemas/ocpp/1.6/UpdateFirmwareResponse.json',
+          moduleName,
+          'constructor'
+        ),
+      ],
     ]);
+    this.validatePayload = this.validatePayload.bind(this) as (
+      chargingStation: ChargingStation,
+      commandName: OCPP16RequestCommand,
+      payload: JsonType
+    ) => boolean;
   }
 
   public async responseHandler(
@@ -65,22 +315,29 @@ export default class OCPP16ResponseService extends OCPPResponseService {
     payload: JsonType,
     requestPayload: JsonType
   ): Promise<void> {
-    if (chargingStation.isRegistered() || commandName === OCPP16RequestCommand.BOOT_NOTIFICATION) {
+    if (
+      chargingStation.isRegistered() === true ||
+      commandName === OCPP16RequestCommand.BOOT_NOTIFICATION
+    ) {
       if (
-        this.responseHandlers.has(commandName) &&
-        ChargingStationUtils.isRequestCommandSupported(commandName, chargingStation)
+        this.responseHandlers.has(commandName) === true &&
+        OCPP16ServiceUtils.isRequestCommandSupported(chargingStation, commandName) === true
       ) {
         try {
+          this.validatePayload(chargingStation, commandName, payload);
           await this.responseHandlers.get(commandName)(chargingStation, payload, requestPayload);
         } catch (error) {
-          logger.error(chargingStation.logPrefix() + ' Handle request response error: %j', error);
+          logger.error(
+            `${chargingStation.logPrefix()} ${moduleName}.responseHandler: Handle response error:`,
+            error
+          );
           throw error;
         }
       } else {
         // Throw exception
         throw new OCPPError(
           ErrorType.NOT_IMPLEMENTED,
-          `${commandName} is not implemented to handle request response payload ${JSON.stringify(
+          `${commandName} is not implemented to handle response PDU ${JSON.stringify(
             payload,
             null,
             2
@@ -92,22 +349,41 @@ export default class OCPP16ResponseService extends OCPPResponseService {
     } else {
       throw new OCPPError(
         ErrorType.SECURITY_ERROR,
-        `${commandName} cannot be issued to handle request response payload ${JSON.stringify(
+        `${commandName} cannot be issued to handle response PDU ${JSON.stringify(
           payload,
           null,
           2
-        )} while the charging station is not registered on the central server. `,
+        )} while the charging station is not registered on the central server.`,
         commandName,
         payload
       );
     }
   }
 
+  private validatePayload(
+    chargingStation: ChargingStation,
+    commandName: OCPP16RequestCommand,
+    payload: JsonType
+  ): boolean {
+    if (this.jsonSchemas.has(commandName) === true) {
+      return this.validateResponsePayload(
+        chargingStation,
+        commandName,
+        this.jsonSchemas.get(commandName),
+        payload
+      );
+    }
+    logger.warn(
+      `${chargingStation.logPrefix()} ${moduleName}.validatePayload: No JSON schema found for command '${commandName}' PDU validation`
+    );
+    return false;
+  }
+
   private handleResponseBootNotification(
     chargingStation: ChargingStation,
     payload: OCPP16BootNotificationResponse
   ): void {
-    if (payload.status === OCPP16RegistrationStatus.ACCEPTED) {
+    if (payload.status === RegistrationStatusEnumType.ACCEPTED) {
       ChargingStationConfigurationUtils.addConfigurationKey(
         chargingStation,
         OCPP16StandardParametersKey.HeartbeatInterval,
@@ -122,58 +398,69 @@ export default class OCPP16ResponseService extends OCPPResponseService {
         { visible: false },
         { overwrite: true, save: true }
       );
-      chargingStation.heartbeatSetInterval
-        ? chargingStation.restartHeartbeat()
-        : chargingStation.startHeartbeat();
+      OCPP16ServiceUtils.startHeartbeatInterval(chargingStation, payload.interval);
     }
-    if (Object.values(OCPP16RegistrationStatus).includes(payload.status)) {
+    if (Object.values(RegistrationStatusEnumType).includes(payload.status)) {
       const logMsg = `${chargingStation.logPrefix()} Charging station in '${
         payload.status
       }' state on the central server`;
-      payload.status === OCPP16RegistrationStatus.REJECTED
+      payload.status === RegistrationStatusEnumType.REJECTED
         ? logger.warn(logMsg)
         : logger.info(logMsg);
     } else {
       logger.error(
-        chargingStation.logPrefix() +
-          ' Charging station boot notification response received: %j with undefined registration status',
+        `${chargingStation.logPrefix()} Charging station boot notification response received: %j with undefined registration status`,
         payload
       );
     }
   }
 
-  // eslint-disable-next-line @typescript-eslint/no-empty-function
-  private handleResponseHeartbeat(): void {}
-
   private handleResponseAuthorize(
     chargingStation: ChargingStation,
     payload: OCPP16AuthorizeResponse,
     requestPayload: OCPP16AuthorizeRequest
   ): void {
     let authorizeConnectorId: number;
-    for (const connectorId of chargingStation.connectors.keys()) {
-      if (
-        connectorId > 0 &&
-        chargingStation.getConnectorStatus(connectorId)?.authorizeIdTag === requestPayload.idTag
-      ) {
-        authorizeConnectorId = connectorId;
-        break;
+    if (chargingStation.hasEvses) {
+      for (const [evseId, evseStatus] of chargingStation.evses) {
+        if (evseId > 0) {
+          for (const [connectorId, connectorStatus] of evseStatus.connectors) {
+            if (connectorStatus?.authorizeIdTag === requestPayload.idTag) {
+              authorizeConnectorId = connectorId;
+              break;
+            }
+          }
+        }
+      }
+    } else {
+      for (const connectorId of chargingStation.connectors.keys()) {
+        if (
+          connectorId > 0 &&
+          chargingStation.getConnectorStatus(connectorId)?.authorizeIdTag === requestPayload.idTag
+        ) {
+          authorizeConnectorId = connectorId;
+          break;
+        }
       }
     }
+    const authorizeConnectorIdDefined = !Utils.isNullOrUndefined(authorizeConnectorId);
     if (payload.idTagInfo.status === OCPP16AuthorizationStatus.ACCEPTED) {
-      chargingStation.getConnectorStatus(authorizeConnectorId).idTagAuthorized = true;
+      authorizeConnectorIdDefined &&
+        (chargingStation.getConnectorStatus(authorizeConnectorId).idTagAuthorized = true);
       logger.debug(
-        `${chargingStation.logPrefix()} IdTag ${
-          requestPayload.idTag
-        } authorized on connector ${authorizeConnectorId}`
+        `${chargingStation.logPrefix()} idTag '${requestPayload.idTag}' accepted${
+          authorizeConnectorIdDefined ? ` on connector id ${authorizeConnectorId}` : ''
+        }`
       );
     } else {
-      chargingStation.getConnectorStatus(authorizeConnectorId).idTagAuthorized = false;
-      delete chargingStation.getConnectorStatus(authorizeConnectorId).authorizeIdTag;
+      if (authorizeConnectorIdDefined) {
+        chargingStation.getConnectorStatus(authorizeConnectorId).idTagAuthorized = false;
+        delete chargingStation.getConnectorStatus(authorizeConnectorId)?.authorizeIdTag;
+      }
       logger.debug(
-        `${chargingStation.logPrefix()} IdTag ${requestPayload.idTag} refused with status '${
+        `${chargingStation.logPrefix()} idTag '${requestPayload.idTag}' rejected with status '${
           payload.idTagInfo.status
-        }' on connector ${authorizeConnectorId}`
+        }'${authorizeConnectorIdDefined ? ` on connector id ${authorizeConnectorId}` : ''}`
       );
     }
   }
@@ -183,114 +470,123 @@ export default class OCPP16ResponseService extends OCPPResponseService {
     payload: OCPP16StartTransactionResponse,
     requestPayload: OCPP16StartTransactionRequest
   ): Promise<void> {
-    const connectorId = requestPayload.connectorId;
-
-    let transactionConnectorId: number;
-    for (const id of chargingStation.connectors.keys()) {
-      if (id > 0 && id === connectorId) {
-        transactionConnectorId = id;
-        break;
-      }
-    }
-    if (!transactionConnectorId) {
+    const transactionConnectorId = requestPayload.connectorId;
+    if (
+      transactionConnectorId === 0 ||
+      chargingStation.hasConnector(transactionConnectorId) === false
+    ) {
       logger.error(
-        chargingStation.logPrefix() +
-          ' Trying to start a transaction on a non existing connector Id ' +
-          connectorId.toString()
+        `${chargingStation.logPrefix()} Trying to start a transaction on a non existing connector id ${transactionConnectorId.toString()}`
       );
       return;
     }
     if (
-      chargingStation.getConnectorStatus(connectorId).transactionRemoteStarted &&
-      chargingStation.getAuthorizeRemoteTxRequests() &&
-      chargingStation.getLocalAuthListEnabled() &&
-      chargingStation.hasAuthorizedTags() &&
-      !chargingStation.getConnectorStatus(connectorId).idTagLocalAuthorized
+      chargingStation.getConnectorStatus(transactionConnectorId)?.transactionRemoteStarted ===
+        true &&
+      chargingStation.getAuthorizeRemoteTxRequests() === true &&
+      chargingStation.getLocalAuthListEnabled() === true &&
+      chargingStation.hasIdTags() &&
+      chargingStation.getConnectorStatus(transactionConnectorId)?.idTagLocalAuthorized === false
     ) {
       logger.error(
-        chargingStation.logPrefix() +
-          ' Trying to start a transaction with a not local authorized idTag ' +
-          chargingStation.getConnectorStatus(connectorId).localAuthorizeIdTag +
-          ' on connector Id ' +
-          connectorId.toString()
+        `${chargingStation.logPrefix()} Trying to start a transaction with a not local authorized idTag ${
+          chargingStation.getConnectorStatus(transactionConnectorId)?.localAuthorizeIdTag
+        } on connector id ${transactionConnectorId.toString()}`
       );
-      await this.resetConnectorOnStartTransactionError(chargingStation, connectorId);
+      await this.resetConnectorOnStartTransactionError(chargingStation, transactionConnectorId);
       return;
     }
     if (
-      chargingStation.getConnectorStatus(connectorId).transactionRemoteStarted &&
-      chargingStation.getAuthorizeRemoteTxRequests() &&
-      chargingStation.getMayAuthorizeAtRemoteStart() &&
-      !chargingStation.getConnectorStatus(connectorId).idTagLocalAuthorized &&
-      !chargingStation.getConnectorStatus(connectorId).idTagAuthorized
+      chargingStation.getConnectorStatus(transactionConnectorId)?.transactionRemoteStarted ===
+        true &&
+      chargingStation.getAuthorizeRemoteTxRequests() === true &&
+      chargingStation.getMustAuthorizeAtRemoteStart() === true &&
+      chargingStation.getConnectorStatus(transactionConnectorId)?.idTagLocalAuthorized === false &&
+      chargingStation.getConnectorStatus(transactionConnectorId)?.idTagAuthorized === false
     ) {
       logger.error(
-        chargingStation.logPrefix() +
-          ' Trying to start a transaction with a not authorized idTag ' +
-          chargingStation.getConnectorStatus(connectorId).authorizeIdTag +
-          ' on connector Id ' +
-          connectorId.toString()
+        `${chargingStation.logPrefix()} Trying to start a transaction with a not authorized idTag ${
+          chargingStation.getConnectorStatus(transactionConnectorId)?.authorizeIdTag
+        } on connector id ${transactionConnectorId.toString()}`
       );
-      await this.resetConnectorOnStartTransactionError(chargingStation, connectorId);
+      await this.resetConnectorOnStartTransactionError(chargingStation, transactionConnectorId);
       return;
     }
     if (
-      chargingStation.getConnectorStatus(connectorId).idTagAuthorized &&
-      chargingStation.getConnectorStatus(connectorId).authorizeIdTag !== requestPayload.idTag
+      chargingStation.getConnectorStatus(transactionConnectorId)?.idTagAuthorized &&
+      chargingStation.getConnectorStatus(transactionConnectorId)?.authorizeIdTag !==
+        requestPayload.idTag
     ) {
       logger.error(
-        chargingStation.logPrefix() +
-          ' Trying to start a transaction with an idTag ' +
-          requestPayload.idTag +
-          ' different from the authorize request one ' +
-          chargingStation.getConnectorStatus(connectorId).authorizeIdTag +
-          ' on connector Id ' +
-          connectorId.toString()
+        `${chargingStation.logPrefix()} Trying to start a transaction with an idTag ${
+          requestPayload.idTag
+        } different from the authorize request one ${
+          chargingStation.getConnectorStatus(transactionConnectorId)?.authorizeIdTag
+        } on connector id ${transactionConnectorId.toString()}`
       );
-      await this.resetConnectorOnStartTransactionError(chargingStation, connectorId);
+      await this.resetConnectorOnStartTransactionError(chargingStation, transactionConnectorId);
       return;
     }
     if (
-      chargingStation.getConnectorStatus(connectorId).idTagLocalAuthorized &&
-      chargingStation.getConnectorStatus(connectorId).localAuthorizeIdTag !== requestPayload.idTag
+      chargingStation.getConnectorStatus(transactionConnectorId)?.idTagLocalAuthorized &&
+      chargingStation.getConnectorStatus(transactionConnectorId)?.localAuthorizeIdTag !==
+        requestPayload.idTag
     ) {
       logger.error(
-        chargingStation.logPrefix() +
-          ' Trying to start a transaction with an idTag ' +
-          requestPayload.idTag +
-          ' different from the local authorized one ' +
-          chargingStation.getConnectorStatus(connectorId).localAuthorizeIdTag +
-          ' on connector Id ' +
-          connectorId.toString()
+        `${chargingStation.logPrefix()} Trying to start a transaction with an idTag ${
+          requestPayload.idTag
+        } different from the local authorized one ${
+          chargingStation.getConnectorStatus(transactionConnectorId)?.localAuthorizeIdTag
+        } on connector id ${transactionConnectorId.toString()}`
       );
-      await this.resetConnectorOnStartTransactionError(chargingStation, connectorId);
+      await this.resetConnectorOnStartTransactionError(chargingStation, transactionConnectorId);
       return;
     }
-    if (chargingStation.getConnectorStatus(connectorId)?.transactionStarted) {
-      logger.debug(
-        chargingStation.logPrefix() +
-          ' Trying to start a transaction on an already used connector ' +
-          connectorId.toString() +
-          ': %j',
-        chargingStation.getConnectorStatus(connectorId)
+    if (chargingStation.getConnectorStatus(transactionConnectorId)?.transactionStarted === true) {
+      logger.error(
+        `${chargingStation.logPrefix()} Trying to start a transaction on an already used connector id ${transactionConnectorId.toString()}:`,
+        chargingStation.getConnectorStatus(transactionConnectorId)
       );
       return;
     }
+    if (chargingStation.hasEvses) {
+      for (const [evseId, evseStatus] of chargingStation.evses) {
+        if (evseStatus.connectors.size > 1) {
+          for (const [connectorId, connectorStatus] of evseStatus.connectors) {
+            if (
+              transactionConnectorId !== connectorId &&
+              connectorStatus?.transactionStarted === true
+            ) {
+              logger.error(
+                `${chargingStation.logPrefix()} Trying to start a transaction on an already used evse id ${evseId.toString()}:`,
+                evseStatus
+              );
+              await this.resetConnectorOnStartTransactionError(
+                chargingStation,
+                transactionConnectorId
+              );
+              return;
+            }
+          }
+        }
+      }
+    }
     if (
-      chargingStation.getConnectorStatus(connectorId)?.status !==
-        OCPP16ChargePointStatus.AVAILABLE &&
-      chargingStation.getConnectorStatus(connectorId)?.status !== OCPP16ChargePointStatus.PREPARING
+      chargingStation.getConnectorStatus(transactionConnectorId)?.status !==
+        OCPP16ChargePointStatus.Available &&
+      chargingStation.getConnectorStatus(transactionConnectorId)?.status !==
+        OCPP16ChargePointStatus.Preparing
     ) {
       logger.error(
-        `${chargingStation.logPrefix()} Trying to start a transaction on connector ${connectorId.toString()} with status ${
-          chargingStation.getConnectorStatus(connectorId)?.status
+        `${chargingStation.logPrefix()} Trying to start a transaction on connector id ${transactionConnectorId.toString()} with status ${
+          chargingStation.getConnectorStatus(transactionConnectorId)?.status
         }`
       );
       return;
     }
     if (!Number.isInteger(payload.transactionId)) {
       logger.warn(
-        `${chargingStation.logPrefix()} Trying to start a transaction on connector ${connectorId.toString()} with a non integer transaction Id ${
+        `${chargingStation.logPrefix()} Trying to start a transaction on connector id ${transactionConnectorId.toString()} with a non integer transaction id ${
           payload.transactionId
         }, converting to integer`
       );
@@ -298,16 +594,18 @@ export default class OCPP16ResponseService extends OCPPResponseService {
     }
 
     if (payload.idTagInfo?.status === OCPP16AuthorizationStatus.ACCEPTED) {
-      chargingStation.getConnectorStatus(connectorId).transactionStarted = true;
-      chargingStation.getConnectorStatus(connectorId).transactionId = payload.transactionId;
-      chargingStation.getConnectorStatus(connectorId).transactionIdTag = requestPayload.idTag;
+      chargingStation.getConnectorStatus(transactionConnectorId).transactionStarted = true;
+      chargingStation.getConnectorStatus(transactionConnectorId).transactionId =
+        payload.transactionId;
+      chargingStation.getConnectorStatus(transactionConnectorId).transactionIdTag =
+        requestPayload.idTag;
       chargingStation.getConnectorStatus(
-        connectorId
+        transactionConnectorId
       ).transactionEnergyActiveImportRegisterValue = 0;
-      chargingStation.getConnectorStatus(connectorId).transactionBeginMeterValue =
+      chargingStation.getConnectorStatus(transactionConnectorId).transactionBeginMeterValue =
         OCPP16ServiceUtils.buildTransactionBeginMeterValue(
           chargingStation,
-          connectorId,
+          transactionConnectorId,
           requestPayload.meterStart
         );
       chargingStation.getBeginEndMeterValues() &&
@@ -315,32 +613,24 @@ export default class OCPP16ResponseService extends OCPPResponseService {
           OCPP16MeterValuesRequest,
           OCPP16MeterValuesResponse
         >(chargingStation, OCPP16RequestCommand.METER_VALUES, {
-          connectorId,
+          connectorId: transactionConnectorId,
           transactionId: payload.transactionId,
-          meterValue: [chargingStation.getConnectorStatus(connectorId).transactionBeginMeterValue],
+          meterValue: [
+            chargingStation.getConnectorStatus(transactionConnectorId).transactionBeginMeterValue,
+          ],
         }));
-      await chargingStation.ocppRequestService.requestHandler<
-        OCPP16StatusNotificationRequest,
-        OCPP16StatusNotificationResponse
-      >(chargingStation, OCPP16RequestCommand.STATUS_NOTIFICATION, {
-        connectorId,
-        status: OCPP16ChargePointStatus.CHARGING,
-        errorCode: OCPP16ChargePointErrorCode.NO_ERROR,
-      });
-      chargingStation.getConnectorStatus(connectorId).status = OCPP16ChargePointStatus.CHARGING;
+      await OCPP16ServiceUtils.sendAndSetConnectorStatus(
+        chargingStation,
+        transactionConnectorId,
+        OCPP16ChargePointStatus.Charging
+      );
       logger.info(
-        chargingStation.logPrefix() +
-          ' Transaction ' +
-          payload.transactionId.toString() +
-          ' STARTED on ' +
-          chargingStation.stationInfo.chargingStationId +
-          '#' +
-          connectorId.toString() +
-          ' for idTag ' +
-          requestPayload.idTag
+        `${chargingStation.logPrefix()} Transaction with id ${payload.transactionId.toString()} STARTED on ${
+          chargingStation.stationInfo.chargingStationId
+        }#${transactionConnectorId.toString()} for idTag '${requestPayload.idTag}'`
       );
       if (chargingStation.stationInfo.powerSharedByConnectors) {
-        chargingStation.powerDivider++;
+        ++chargingStation.powerDivider;
       }
       const configuredMeterValueSampleInterval =
         ChargingStationConfigurationUtils.getConfigurationKey(
@@ -348,22 +638,18 @@ export default class OCPP16ResponseService extends OCPPResponseService {
           OCPP16StandardParametersKey.MeterValueSampleInterval
         );
       chargingStation.startMeterValues(
-        connectorId,
+        transactionConnectorId,
         configuredMeterValueSampleInterval
           ? Utils.convertToInt(configuredMeterValueSampleInterval.value) * 1000
-          : 60000
+          : Constants.DEFAULT_METER_VALUES_INTERVAL
       );
     } else {
       logger.warn(
-        chargingStation.logPrefix() +
-          ' Starting transaction id ' +
-          payload.transactionId.toString() +
-          " REJECTED with status '" +
-          payload?.idTagInfo?.status +
-          "', idTag " +
-          requestPayload.idTag
+        `${chargingStation.logPrefix()} Starting transaction with id ${payload.transactionId.toString()} REJECTED with status '${
+          payload.idTagInfo?.status
+        }', idTag '${requestPayload.idTag}'`
       );
-      await this.resetConnectorOnStartTransactionError(chargingStation, connectorId);
+      await this.resetConnectorOnStartTransactionError(chargingStation, transactionConnectorId);
     }
   }
 
@@ -371,19 +657,17 @@ export default class OCPP16ResponseService extends OCPPResponseService {
     chargingStation: ChargingStation,
     connectorId: number
   ): Promise<void> {
-    chargingStation.resetConnectorStatus(connectorId);
+    ChargingStationUtils.resetConnectorStatus(chargingStation.getConnectorStatus(connectorId));
+    chargingStation.stopMeterValues(connectorId);
+    parentPort?.postMessage(MessageChannelUtils.buildUpdatedMessage(chargingStation));
     if (
-      chargingStation.getConnectorStatus(connectorId).status !== OCPP16ChargePointStatus.AVAILABLE
+      chargingStation.getConnectorStatus(connectorId)?.status !== OCPP16ChargePointStatus.Available
     ) {
-      await chargingStation.ocppRequestService.requestHandler<
-        OCPP16StatusNotificationRequest,
-        OCPP16StatusNotificationResponse
-      >(chargingStation, OCPP16RequestCommand.STATUS_NOTIFICATION, {
+      await OCPP16ServiceUtils.sendAndSetConnectorStatus(
+        chargingStation,
         connectorId,
-        status: OCPP16ChargePointStatus.AVAILABLE,
-        errorCode: OCPP16ChargePointErrorCode.NO_ERROR,
-      });
-      chargingStation.getConnectorStatus(connectorId).status = OCPP16ChargePointStatus.AVAILABLE;
+        OCPP16ChargePointStatus.Available
+      );
     }
   }
 
@@ -395,86 +679,65 @@ export default class OCPP16ResponseService extends OCPPResponseService {
     const transactionConnectorId = chargingStation.getConnectorIdByTransactionId(
       requestPayload.transactionId
     );
-    if (!transactionConnectorId) {
+    if (Utils.isNullOrUndefined(transactionConnectorId)) {
       logger.error(
-        chargingStation.logPrefix() +
-          ' Trying to stop a non existing transaction ' +
-          requestPayload.transactionId.toString()
+        `${chargingStation.logPrefix()} Trying to stop a non existing transaction with id ${requestPayload.transactionId.toString()}`
       );
       return;
     }
-    if (payload.idTagInfo?.status === OCPP16AuthorizationStatus.ACCEPTED) {
-      chargingStation.getBeginEndMeterValues() &&
-        !chargingStation.getOcppStrictCompliance() &&
-        chargingStation.getOutOfOrderEndMeterValues() &&
-        (await chargingStation.ocppRequestService.requestHandler<
-          OCPP16MeterValuesRequest,
-          OCPP16MeterValuesResponse
-        >(chargingStation, OCPP16RequestCommand.METER_VALUES, {
-          connectorId: transactionConnectorId,
-          transactionId: requestPayload.transactionId,
-          meterValue: [
-            OCPP16ServiceUtils.buildTransactionEndMeterValue(
-              chargingStation,
-              transactionConnectorId,
-              requestPayload.meterStop
-            ),
-          ],
-        }));
-      if (
-        !chargingStation.isChargingStationAvailable() ||
-        !chargingStation.isConnectorAvailable(transactionConnectorId)
-      ) {
-        await chargingStation.ocppRequestService.requestHandler<
-          OCPP16StatusNotificationRequest,
-          OCPP16StatusNotificationResponse
-        >(chargingStation, OCPP16RequestCommand.STATUS_NOTIFICATION, {
-          connectorId: transactionConnectorId,
-          status: OCPP16ChargePointStatus.UNAVAILABLE,
-          errorCode: OCPP16ChargePointErrorCode.NO_ERROR,
-        });
-        chargingStation.getConnectorStatus(transactionConnectorId).status =
-          OCPP16ChargePointStatus.UNAVAILABLE;
-      } else {
-        await chargingStation.ocppRequestService.requestHandler<
-          OCPP16BootNotificationRequest,
-          OCPP16BootNotificationResponse
-        >(chargingStation, OCPP16RequestCommand.STATUS_NOTIFICATION, {
-          connectorId: transactionConnectorId,
-          status: OCPP16ChargePointStatus.AVAILABLE,
-          errorCode: OCPP16ChargePointErrorCode.NO_ERROR,
-        });
-        chargingStation.getConnectorStatus(transactionConnectorId).status =
-          OCPP16ChargePointStatus.AVAILABLE;
-      }
-      if (chargingStation.stationInfo.powerSharedByConnectors) {
-        chargingStation.powerDivider--;
-      }
-      logger.info(
-        chargingStation.logPrefix() +
-          ' Transaction ' +
-          requestPayload.transactionId.toString() +
-          ' STOPPED on ' +
-          chargingStation.stationInfo.chargingStationId +
-          '#' +
-          transactionConnectorId.toString()
+    chargingStation.getBeginEndMeterValues() === true &&
+      chargingStation.getOcppStrictCompliance() === false &&
+      chargingStation.getOutOfOrderEndMeterValues() === true &&
+      (await chargingStation.ocppRequestService.requestHandler<
+        OCPP16MeterValuesRequest,
+        OCPP16MeterValuesResponse
+      >(chargingStation, OCPP16RequestCommand.METER_VALUES, {
+        connectorId: transactionConnectorId,
+        transactionId: requestPayload.transactionId,
+        meterValue: [
+          OCPP16ServiceUtils.buildTransactionEndMeterValue(
+            chargingStation,
+            transactionConnectorId,
+            requestPayload.meterStop
+          ),
+        ],
+      }));
+    if (
+      chargingStation.isChargingStationAvailable() === false ||
+      chargingStation.isConnectorAvailable(transactionConnectorId) === false
+    ) {
+      await OCPP16ServiceUtils.sendAndSetConnectorStatus(
+        chargingStation,
+        transactionConnectorId,
+        OCPP16ChargePointStatus.Unavailable
       );
-      chargingStation.resetConnectorStatus(transactionConnectorId);
     } else {
-      logger.warn(
-        chargingStation.logPrefix() +
-          ' Stopping transaction id ' +
-          requestPayload.transactionId.toString() +
-          " REJECTED with status '" +
-          payload.idTagInfo?.status +
-          "'"
+      await OCPP16ServiceUtils.sendAndSetConnectorStatus(
+        chargingStation,
+        transactionConnectorId,
+        OCPP16ChargePointStatus.Available
       );
     }
+    if (chargingStation.stationInfo.powerSharedByConnectors) {
+      chargingStation.powerDivider--;
+    }
+    ChargingStationUtils.resetConnectorStatus(
+      chargingStation.getConnectorStatus(transactionConnectorId)
+    );
+    chargingStation.stopMeterValues(transactionConnectorId);
+    parentPort?.postMessage(MessageChannelUtils.buildUpdatedMessage(chargingStation));
+    const logMsg = `${chargingStation.logPrefix()} Transaction with id ${requestPayload.transactionId.toString()} STOPPED on ${
+      chargingStation.stationInfo.chargingStationId
+    }#${transactionConnectorId?.toString()} with status '${
+      payload.idTagInfo?.status ?? 'undefined'
+    }'`;
+    if (
+      Utils.isNullOrUndefined(payload.idTagInfo) ||
+      payload.idTagInfo?.status === OCPP16AuthorizationStatus.ACCEPTED
+    ) {
+      logger.info(logMsg);
+    } else {
+      logger.warn(logMsg);
+    }
   }
-
-  // eslint-disable-next-line @typescript-eslint/no-empty-function
-  private handleResponseStatusNotification(): void {}
-
-  // eslint-disable-next-line @typescript-eslint/no-empty-function
-  private handleResponseMeterValues(): void {}
 }