X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;f=src%2Fcharging-station%2Focpp%2F1.6%2FOCPP16RequestService.ts;h=afc4773d3cbc34914991faad8df89f6cdffbd4a9;hb=ed6cfcff3ef6596cdf76c68f600effcb25dece72;hp=a437e0b3dfa2df49891a1bb2fc08665822b6a62a;hpb=c0560973d259dbce64a24d10bab46246596fa1d5;p=e-mobility-charging-stations-simulator.git

diff --git a/src/charging-station/ocpp/1.6/OCPP16RequestService.ts b/src/charging-station/ocpp/1.6/OCPP16RequestService.ts
index a437e0b3..afc4773d 100644
--- a/src/charging-station/ocpp/1.6/OCPP16RequestService.ts
+++ b/src/charging-station/ocpp/1.6/OCPP16RequestService.ts
@@ -1,325 +1,301 @@
-import { AuthorizeRequest, OCPP16AuthorizeResponse, OCPP16StartTransactionResponse, OCPP16StopTransactionReason, OCPP16StopTransactionResponse, StartTransactionRequest, StopTransactionRequest } from '../../../types/ocpp/1.6/Transaction';
-import { HeartbeatRequest, OCPP16BootNotificationRequest, OCPP16IncomingRequestCommand, OCPP16RequestCommand, StatusNotificationRequest } from '../../../types/ocpp/1.6/Requests';
-import { MeterValue, MeterValueLocation, MeterValuePhase, MeterValueUnit, MeterValuesRequest, OCPP16MeterValueMeasurand, OCPP16SampledValue } from '../../../types/ocpp/1.6/MeterValues';
+// Partial Copyright Jerome Benoit. 2021. All Rights Reserved.
 
+import fs from 'fs';
+import path from 'path';
+import { fileURLToPath } from 'url';
+
+import type { JSONSchemaType } from 'ajv';
+
+import OCPPError from '../../../exception/OCPPError';
+import type { JsonObject, JsonType } from '../../../types/JsonType';
+import type { OCPP16MeterValuesRequest } from '../../../types/ocpp/1.6/MeterValues';
+import {
+  DiagnosticsStatusNotificationRequest,
+  OCPP16BootNotificationRequest,
+  OCPP16HeartbeatRequest,
+  OCPP16RequestCommand,
+  OCPP16StatusNotificationRequest,
+} from '../../../types/ocpp/1.6/Requests';
+import type {
+  OCPP16AuthorizeRequest,
+  OCPP16StartTransactionRequest,
+  OCPP16StopTransactionRequest,
+} from '../../../types/ocpp/1.6/Transaction';
+import { ErrorType } from '../../../types/ocpp/ErrorType';
+import type { RequestParams } from '../../../types/ocpp/Requests';
 import Constants from '../../../utils/Constants';
-import ElectricUtils from '../../../utils/ElectricUtils';
-import MeasurandValues from '../../../types/MeasurandValues';
-import { MessageType } from '../../../types/ocpp/MessageType';
-import { OCPP16BootNotificationResponse } from '../../../types/ocpp/1.6/RequestResponses';
-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 OCPPError from '../../OcppError';
-import OCPPRequestService from '../OCPPRequestService';
-import { PowerOutType } from '../../../types/ChargingStationTemplate';
-import Utils from '../../../utils/Utils';
 import logger from '../../../utils/Logger';
+import Utils from '../../../utils/Utils';
+import type ChargingStation from '../../ChargingStation';
+import OCPPRequestService from '../OCPPRequestService';
+import type OCPPResponseService from '../OCPPResponseService';
+import { OCPP16ServiceUtils } from './OCPP16ServiceUtils';
 
-export default class OCPP16RequestService extends OCPPRequestService {
-  public async sendHeartbeat(): Promise<void> {
-    try {
-      const payload: HeartbeatRequest = {};
-      await this.sendMessage(Utils.generateUUID(), payload, MessageType.CALL_MESSAGE, OCPP16RequestCommand.HEARTBEAT);
-    } catch (error) {
-      this.handleRequestError(OCPP16RequestCommand.HEARTBEAT, error);
-    }
-  }
-
-  public async sendBootNotification(chargePointModel: string, chargePointVendor: string, chargeBoxSerialNumber?: string, firmwareVersion?: string, chargePointSerialNumber?: string, iccid?: string, imsi?: string, meterSerialNumber?: string, meterType?: string): Promise<OCPP16BootNotificationResponse> {
-    try {
-      const payload: OCPP16BootNotificationRequest = {
-        chargePointModel,
-        chargePointVendor,
-        ...!Utils.isUndefined(chargeBoxSerialNumber) && { chargeBoxSerialNumber },
-        ...!Utils.isUndefined(chargePointSerialNumber) && { chargePointSerialNumber },
-        ...!Utils.isUndefined(firmwareVersion) && { firmwareVersion },
-        ...!Utils.isUndefined(iccid) && { iccid },
-        ...!Utils.isUndefined(imsi) && { imsi },
-        ...!Utils.isUndefined(meterSerialNumber) && { meterSerialNumber },
-        ...!Utils.isUndefined(meterType) && { meterType }
-      };
-      return await this.sendMessage(Utils.generateUUID(), payload, MessageType.CALL_MESSAGE, OCPP16RequestCommand.BOOT_NOTIFICATION) as OCPP16BootNotificationResponse;
-    } catch (error) {
-      this.handleRequestError(OCPP16RequestCommand.BOOT_NOTIFICATION, error);
-    }
-  }
+const moduleName = 'OCPP16RequestService';
 
-  public async sendStatusNotification(connectorId: number, status: OCPP16ChargePointStatus, errorCode: OCPP16ChargePointErrorCode = OCPP16ChargePointErrorCode.NO_ERROR): Promise<void> {
-    try {
-      const payload: StatusNotificationRequest = {
-        connectorId,
-        errorCode,
-        status,
-      };
-      await this.sendMessage(Utils.generateUUID(), payload, MessageType.CALL_MESSAGE, OCPP16RequestCommand.STATUS_NOTIFICATION);
-    } catch (error) {
-      this.handleRequestError(OCPP16RequestCommand.STATUS_NOTIFICATION, error);
-    }
-  }
+export default class OCPP16RequestService extends OCPPRequestService {
+  private jsonSchemas: Map<OCPP16RequestCommand, JSONSchemaType<JsonObject>>;
 
-  public async sendAuthorize(idTag?: string): Promise<OCPP16AuthorizeResponse> {
-    try {
-      const payload: AuthorizeRequest = {
-        ...!Utils.isUndefined(idTag) ? { idTag } : { idTag: Constants.TRANSACTION_DEFAULT_TAGID },
-      };
-      return await this.sendMessage(Utils.generateUUID(), payload, MessageType.CALL_MESSAGE, OCPP16RequestCommand.AUTHORIZE) as OCPP16AuthorizeResponse;
-    } catch (error) {
-      this.handleRequestError(OCPP16RequestCommand.AUTHORIZE, error);
+  public constructor(ocppResponseService: OCPPResponseService) {
+    if (new.target?.name === moduleName) {
+      throw new TypeError(`Cannot construct ${new.target?.name} instances directly`);
     }
+    super(ocppResponseService);
+    this.jsonSchemas = new Map<OCPP16RequestCommand, JSONSchemaType<JsonObject>>([
+      [
+        OCPP16RequestCommand.AUTHORIZE,
+        JSON.parse(
+          fs.readFileSync(
+            path.resolve(
+              path.dirname(fileURLToPath(import.meta.url)),
+              '../../../assets/json-schemas/ocpp/1.6/Authorize.json'
+            ),
+            'utf8'
+          )
+        ) as JSONSchemaType<OCPP16AuthorizeRequest>,
+      ],
+      [
+        OCPP16RequestCommand.BOOT_NOTIFICATION,
+        JSON.parse(
+          fs.readFileSync(
+            path.resolve(
+              path.dirname(fileURLToPath(import.meta.url)),
+              '../../../assets/json-schemas/ocpp/1.6/BootNotification.json'
+            ),
+            'utf8'
+          )
+        ) as JSONSchemaType<OCPP16BootNotificationRequest>,
+      ],
+      [
+        OCPP16RequestCommand.DIAGNOSTICS_STATUS_NOTIFICATION,
+        JSON.parse(
+          fs.readFileSync(
+            path.resolve(
+              path.dirname(fileURLToPath(import.meta.url)),
+              '../../../assets/json-schemas/ocpp/1.6/DiagnosticsStatusNotification.json'
+            ),
+            'utf8'
+          )
+        ) as JSONSchemaType<DiagnosticsStatusNotificationRequest>,
+      ],
+      [
+        OCPP16RequestCommand.HEARTBEAT,
+        JSON.parse(
+          fs.readFileSync(
+            path.resolve(
+              path.dirname(fileURLToPath(import.meta.url)),
+              '../../../assets/json-schemas/ocpp/1.6/Heartbeat.json'
+            ),
+            'utf8'
+          )
+        ) as JSONSchemaType<OCPP16HeartbeatRequest>,
+      ],
+      [
+        OCPP16RequestCommand.METER_VALUES,
+        JSON.parse(
+          fs.readFileSync(
+            path.resolve(
+              path.dirname(fileURLToPath(import.meta.url)),
+              '../../../assets/json-schemas/ocpp/1.6/MeterValues.json'
+            ),
+            'utf8'
+          )
+        ) as JSONSchemaType<OCPP16MeterValuesRequest>,
+      ],
+      [
+        OCPP16RequestCommand.STATUS_NOTIFICATION,
+        JSON.parse(
+          fs.readFileSync(
+            path.resolve(
+              path.dirname(fileURLToPath(import.meta.url)),
+              '../../../assets/json-schemas/ocpp/1.6/StatusNotification.json'
+            ),
+            'utf8'
+          )
+        ) as JSONSchemaType<OCPP16StatusNotificationRequest>,
+      ],
+      [
+        OCPP16RequestCommand.START_TRANSACTION,
+        JSON.parse(
+          fs.readFileSync(
+            path.resolve(
+              path.dirname(fileURLToPath(import.meta.url)),
+              '../../../assets/json-schemas/ocpp/1.6/StartTransaction.json'
+            ),
+            'utf8'
+          )
+        ) as JSONSchemaType<OCPP16StartTransactionRequest>,
+      ],
+      [
+        OCPP16RequestCommand.STOP_TRANSACTION,
+        JSON.parse(
+          fs.readFileSync(
+            path.resolve(
+              path.dirname(fileURLToPath(import.meta.url)),
+              '../../../assets/json-schemas/ocpp/1.6/StopTransaction.json'
+            ),
+            'utf8'
+          )
+        ) as JSONSchemaType<OCPP16StopTransactionRequest>,
+      ],
+    ]);
+    this.buildRequestPayload.bind(this);
+    this.validatePayload.bind(this);
   }
 
-  public async sendStartTransaction(connectorId: number, idTag?: string): Promise<OCPP16StartTransactionResponse> {
-    try {
-      const payload: StartTransactionRequest = {
-        connectorId,
-        ...!Utils.isUndefined(idTag) ? { idTag } : { idTag: Constants.TRANSACTION_DEFAULT_TAGID },
-        meterStart: 0,
-        timestamp: new Date().toISOString(),
-      };
-      return await this.sendMessage(Utils.generateUUID(), payload, MessageType.CALL_MESSAGE, OCPP16RequestCommand.START_TRANSACTION) as OCPP16StartTransactionResponse;
-    } catch (error) {
-      this.handleRequestError(OCPP16RequestCommand.START_TRANSACTION, error);
+  public async requestHandler<RequestType extends JsonType, ResponseType extends JsonType>(
+    chargingStation: ChargingStation,
+    commandName: OCPP16RequestCommand,
+    commandParams?: JsonType,
+    params?: RequestParams
+  ): Promise<ResponseType> {
+    if (OCPP16ServiceUtils.isRequestCommandSupported(chargingStation, commandName) === true) {
+      const requestPayload = this.buildRequestPayload<RequestType>(
+        chargingStation,
+        commandName,
+        commandParams
+      );
+      this.validatePayload(chargingStation, commandName, requestPayload);
+      return (await this.sendMessage(
+        chargingStation,
+        Utils.generateUUID(),
+        requestPayload,
+        commandName,
+        params
+      )) as unknown as ResponseType;
     }
+    // OCPPError usage here is debatable: it's an error in the OCPP stack but not targeted to sendError().
+    throw new OCPPError(
+      ErrorType.NOT_SUPPORTED,
+      `Unsupported OCPP command '${commandName}'`,
+      commandName,
+      commandParams
+    );
   }
 
-  public async sendStopTransaction(transactionId: number, meterStop: number, idTag?: string, reason: OCPP16StopTransactionReason = OCPP16StopTransactionReason.NONE): Promise<OCPP16StopTransactionResponse> {
-    try {
-      const payload: StopTransactionRequest = {
-        transactionId,
-        ...!Utils.isUndefined(idTag) && { idTag },
-        meterStop: meterStop,
-        timestamp: new Date().toISOString(),
-        ...reason && { reason },
-      };
-      return await this.sendMessage(Utils.generateUUID(), payload, MessageType.CALL_MESSAGE, OCPP16RequestCommand.STOP_TRANSACTION) as OCPP16StartTransactionResponse;
-    } catch (error) {
-      this.handleRequestError(OCPP16RequestCommand.STOP_TRANSACTION, error);
+  private buildRequestPayload<Request extends JsonType>(
+    chargingStation: ChargingStation,
+    commandName: OCPP16RequestCommand,
+    commandParams?: JsonType
+  ): Request {
+    let connectorId: number;
+    let energyActiveImportRegister: number;
+    commandParams = commandParams as JsonObject;
+    switch (commandName) {
+      case OCPP16RequestCommand.AUTHORIZE:
+        return {
+          ...(!Utils.isUndefined(commandParams?.idTag)
+            ? { idTag: commandParams.idTag }
+            : { idTag: Constants.DEFAULT_IDTAG }),
+        } as unknown as Request;
+      case OCPP16RequestCommand.BOOT_NOTIFICATION:
+        return {
+          chargePointModel: commandParams?.chargePointModel,
+          chargePointVendor: commandParams?.chargePointVendor,
+          ...(!Utils.isUndefined(commandParams?.chargeBoxSerialNumber) && {
+            chargeBoxSerialNumber: commandParams.chargeBoxSerialNumber,
+          }),
+          ...(!Utils.isUndefined(commandParams?.chargePointSerialNumber) && {
+            chargePointSerialNumber: commandParams.chargePointSerialNumber,
+          }),
+          ...(!Utils.isUndefined(commandParams?.firmwareVersion) && {
+            firmwareVersion: commandParams.firmwareVersion,
+          }),
+          ...(!Utils.isUndefined(commandParams?.iccid) && { iccid: commandParams.iccid }),
+          ...(!Utils.isUndefined(commandParams?.imsi) && { imsi: commandParams.imsi }),
+          ...(!Utils.isUndefined(commandParams?.meterSerialNumber) && {
+            meterSerialNumber: commandParams.meterSerialNumber,
+          }),
+          ...(!Utils.isUndefined(commandParams?.meterType) && {
+            meterType: commandParams.meterType,
+          }),
+        } as unknown as Request;
+      case OCPP16RequestCommand.DIAGNOSTICS_STATUS_NOTIFICATION:
+        return {
+          status: commandParams?.diagnosticsStatus,
+        } as unknown as Request;
+      case OCPP16RequestCommand.HEARTBEAT:
+        return {} as unknown as Request;
+      case OCPP16RequestCommand.METER_VALUES:
+        return {
+          connectorId: commandParams?.connectorId,
+          transactionId: commandParams?.transactionId,
+          meterValue: commandParams?.meterValue,
+        } as unknown as Request;
+      case OCPP16RequestCommand.STATUS_NOTIFICATION:
+        return {
+          connectorId: commandParams?.connectorId,
+          status: commandParams?.status,
+          errorCode: commandParams?.errorCode,
+        } as unknown as Request;
+      case OCPP16RequestCommand.START_TRANSACTION:
+        return {
+          connectorId: commandParams?.connectorId,
+          ...(!Utils.isUndefined(commandParams?.idTag)
+            ? { idTag: commandParams?.idTag }
+            : { idTag: Constants.DEFAULT_IDTAG }),
+          meterStart: chargingStation.getEnergyActiveImportRegisterByConnectorId(
+            commandParams?.connectorId as number
+          ),
+          timestamp: new Date().toISOString(),
+        } as unknown as Request;
+      case OCPP16RequestCommand.STOP_TRANSACTION:
+        connectorId = chargingStation.getConnectorIdByTransactionId(
+          commandParams?.transactionId as number
+        );
+        commandParams?.meterStop &&
+          (energyActiveImportRegister =
+            chargingStation.getEnergyActiveImportRegisterByTransactionId(
+              commandParams?.transactionId as number,
+              true
+            ));
+        return {
+          transactionId: commandParams?.transactionId,
+          idTag:
+            commandParams?.idTag ??
+            chargingStation.getTransactionIdTag(commandParams?.transactionId as number),
+          meterStop: commandParams?.meterStop ?? energyActiveImportRegister,
+          timestamp: new Date().toISOString(),
+          reason: commandParams?.reason,
+          ...(chargingStation.getTransactionDataMeterValues() && {
+            transactionData: OCPP16ServiceUtils.buildTransactionDataMeterValues(
+              chargingStation.getConnectorStatus(connectorId).transactionBeginMeterValue,
+              OCPP16ServiceUtils.buildTransactionEndMeterValue(
+                chargingStation,
+                connectorId,
+                (commandParams?.meterStop as number) ?? energyActiveImportRegister
+              )
+            ),
+          }),
+        } as unknown as Request;
+      default:
+        // OCPPError usage here is debatable: it's an error in the OCPP stack but not targeted to sendError().
+        throw new OCPPError(
+          ErrorType.NOT_SUPPORTED,
+          // eslint-disable-next-line @typescript-eslint/restrict-template-expressions
+          `Unsupported OCPP command '${commandName}'`,
+          commandName,
+          commandParams
+        );
     }
   }
 
-  // eslint-disable-next-line consistent-this
-  public async sendMeterValues(connectorId: number, transactionId: number, interval: number, self: OCPPRequestService, debug = false): Promise<void> {
-    try {
-      const meterValue: MeterValue = {
-        timestamp: new Date().toISOString(),
-        sampledValue: [],
-      };
-      const meterValuesTemplate: OCPP16SampledValue[] = self.chargingStation.getConnector(connectorId).MeterValues;
-      for (let index = 0; index < meterValuesTemplate.length; index++) {
-        const connector = self.chargingStation.getConnector(connectorId);
-        // SoC measurand
-        if (meterValuesTemplate[index].measurand && meterValuesTemplate[index].measurand === OCPP16MeterValueMeasurand.STATE_OF_CHARGE && self.chargingStation.getConfigurationKey(OCPP16StandardParametersKey.MeterValuesSampledData).value.includes(OCPP16MeterValueMeasurand.STATE_OF_CHARGE)) {
-          meterValue.sampledValue.push({
-            ...!Utils.isUndefined(meterValuesTemplate[index].unit) ? { unit: meterValuesTemplate[index].unit } : { unit: MeterValueUnit.PERCENT },
-            ...!Utils.isUndefined(meterValuesTemplate[index].context) && { context: meterValuesTemplate[index].context },
-            measurand: meterValuesTemplate[index].measurand,
-            ...!Utils.isUndefined(meterValuesTemplate[index].location) ? { location: meterValuesTemplate[index].location } : { location: MeterValueLocation.EV },
-            ...!Utils.isUndefined(meterValuesTemplate[index].value) ? { value: meterValuesTemplate[index].value } : { value: Utils.getRandomInt(100).toString() },
-          });
-          const sampledValuesIndex = meterValue.sampledValue.length - 1;
-          if (Utils.convertToInt(meterValue.sampledValue[sampledValuesIndex].value) > 100 || debug) {
-            logger.error(`${self.chargingStation.logPrefix()} MeterValues measurand ${meterValue.sampledValue[sampledValuesIndex].measurand ? meterValue.sampledValue[sampledValuesIndex].measurand : OCPP16MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER}: connectorId ${connectorId}, transaction ${connector.transactionId}, value: ${meterValue.sampledValue[sampledValuesIndex].value}/100`);
-          }
-        // Voltage measurand
-        } else if (meterValuesTemplate[index].measurand && meterValuesTemplate[index].measurand === OCPP16MeterValueMeasurand.VOLTAGE && self.chargingStation.getConfigurationKey(OCPP16StandardParametersKey.MeterValuesSampledData).value.includes(OCPP16MeterValueMeasurand.VOLTAGE)) {
-          const voltageMeasurandValue = Utils.getRandomFloatRounded(self.chargingStation.getVoltageOut() + self.chargingStation.getVoltageOut() * 0.1, self.chargingStation.getVoltageOut() - self.chargingStation.getVoltageOut() * 0.1);
-          meterValue.sampledValue.push({
-            ...!Utils.isUndefined(meterValuesTemplate[index].unit) ? { unit: meterValuesTemplate[index].unit } : { unit: MeterValueUnit.VOLT },
-            ...!Utils.isUndefined(meterValuesTemplate[index].context) && { context: meterValuesTemplate[index].context },
-            measurand: meterValuesTemplate[index].measurand,
-            ...!Utils.isUndefined(meterValuesTemplate[index].location) && { location: meterValuesTemplate[index].location },
-            ...!Utils.isUndefined(meterValuesTemplate[index].value) ? { value: meterValuesTemplate[index].value } : { value: voltageMeasurandValue.toString() },
-          });
-          for (let phase = 1; self.chargingStation.getNumberOfPhases() === 3 && phase <= self.chargingStation.getNumberOfPhases(); phase++) {
-            let phaseValue: string;
-            if (self.chargingStation.getVoltageOut() >= 0 && self.chargingStation.getVoltageOut() <= 250) {
-              phaseValue = `L${phase}-N`;
-            } else if (self.chargingStation.getVoltageOut() > 250) {
-              phaseValue = `L${phase}-L${(phase + 1) % self.chargingStation.getNumberOfPhases() !== 0 ? (phase + 1) % self.chargingStation.getNumberOfPhases() : self.chargingStation.getNumberOfPhases()}`;
-            }
-            meterValue.sampledValue.push({
-              ...!Utils.isUndefined(meterValuesTemplate[index].unit) ? { unit: meterValuesTemplate[index].unit } : { unit: MeterValueUnit.VOLT },
-              ...!Utils.isUndefined(meterValuesTemplate[index].context) && { context: meterValuesTemplate[index].context },
-              measurand: meterValuesTemplate[index].measurand,
-              ...!Utils.isUndefined(meterValuesTemplate[index].location) && { location: meterValuesTemplate[index].location },
-              ...!Utils.isUndefined(meterValuesTemplate[index].value) ? { value: meterValuesTemplate[index].value } : { value: voltageMeasurandValue.toString() },
-              phase: phaseValue as MeterValuePhase,
-            });
-          }
-        // Power.Active.Import measurand
-        } else if (meterValuesTemplate[index].measurand && meterValuesTemplate[index].measurand === OCPP16MeterValueMeasurand.POWER_ACTIVE_IMPORT && self.chargingStation.getConfigurationKey(OCPP16StandardParametersKey.MeterValuesSampledData).value.includes(OCPP16MeterValueMeasurand.POWER_ACTIVE_IMPORT)) {
-          // FIXME: factor out powerDivider checks
-          if (Utils.isUndefined(self.chargingStation.stationInfo.powerDivider)) {
-            const errMsg = `${self.chargingStation.logPrefix()} MeterValues measurand ${meterValuesTemplate[index].measurand ? meterValuesTemplate[index].measurand : OCPP16MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER}: powerDivider is undefined`;
-            logger.error(errMsg);
-            throw Error(errMsg);
-          } else if (self.chargingStation.stationInfo.powerDivider && self.chargingStation.stationInfo.powerDivider <= 0) {
-            const errMsg = `${self.chargingStation.logPrefix()} MeterValues measurand ${meterValuesTemplate[index].measurand ? meterValuesTemplate[index].measurand : OCPP16MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER}: powerDivider have zero or below value ${self.chargingStation.stationInfo.powerDivider}`;
-            logger.error(errMsg);
-            throw Error(errMsg);
-          }
-          const errMsg = `${self.chargingStation.logPrefix()} MeterValues measurand ${meterValuesTemplate[index].measurand ? meterValuesTemplate[index].measurand : OCPP16MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER}: Unknown ${self.chargingStation.getPowerOutType()} powerOutType in template file ${self.chargingStation.stationTemplateFile}, cannot calculate ${meterValuesTemplate[index].measurand ? meterValuesTemplate[index].measurand : OCPP16MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER} measurand value`;
-          const powerMeasurandValues = {} as MeasurandValues;
-          const maxPower = Math.round(self.chargingStation.stationInfo.maxPower / self.chargingStation.stationInfo.powerDivider);
-          const maxPowerPerPhase = Math.round((self.chargingStation.stationInfo.maxPower / self.chargingStation.stationInfo.powerDivider) / self.chargingStation.getNumberOfPhases());
-          switch (self.chargingStation.getPowerOutType()) {
-            case PowerOutType.AC:
-              if (Utils.isUndefined(meterValuesTemplate[index].value)) {
-                powerMeasurandValues.L1 = Utils.getRandomFloatRounded(maxPowerPerPhase);
-                powerMeasurandValues.L2 = 0;
-                powerMeasurandValues.L3 = 0;
-                if (self.chargingStation.getNumberOfPhases() === 3) {
-                  powerMeasurandValues.L2 = Utils.getRandomFloatRounded(maxPowerPerPhase);
-                  powerMeasurandValues.L3 = Utils.getRandomFloatRounded(maxPowerPerPhase);
-                }
-                powerMeasurandValues.allPhases = Utils.roundTo(powerMeasurandValues.L1 + powerMeasurandValues.L2 + powerMeasurandValues.L3, 2);
-              }
-              break;
-            case PowerOutType.DC:
-              if (Utils.isUndefined(meterValuesTemplate[index].value)) {
-                powerMeasurandValues.allPhases = Utils.getRandomFloatRounded(maxPower);
-              }
-              break;
-            default:
-              logger.error(errMsg);
-              throw Error(errMsg);
-          }
-          meterValue.sampledValue.push({
-            ...!Utils.isUndefined(meterValuesTemplate[index].unit) ? { unit: meterValuesTemplate[index].unit } : { unit: MeterValueUnit.WATT },
-            ...!Utils.isUndefined(meterValuesTemplate[index].context) && { context: meterValuesTemplate[index].context },
-            measurand: meterValuesTemplate[index].measurand,
-            ...!Utils.isUndefined(meterValuesTemplate[index].location) && { location: meterValuesTemplate[index].location },
-            ...!Utils.isUndefined(meterValuesTemplate[index].value) ? { value: meterValuesTemplate[index].value } : { value: powerMeasurandValues.allPhases.toString() },
-          });
-          const sampledValuesIndex = meterValue.sampledValue.length - 1;
-          if (Utils.convertToFloat(meterValue.sampledValue[sampledValuesIndex].value) > maxPower || debug) {
-            logger.error(`${self.chargingStation.logPrefix()} MeterValues measurand ${meterValue.sampledValue[sampledValuesIndex].measurand ? meterValue.sampledValue[sampledValuesIndex].measurand : OCPP16MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER}: connectorId ${connectorId}, transaction ${connector.transactionId}, value: ${meterValue.sampledValue[sampledValuesIndex].value}/${maxPower}`);
-          }
-          for (let phase = 1; self.chargingStation.getNumberOfPhases() === 3 && phase <= self.chargingStation.getNumberOfPhases(); phase++) {
-            const phaseValue = `L${phase}-N`;
-            meterValue.sampledValue.push({
-              ...!Utils.isUndefined(meterValuesTemplate[index].unit) ? { unit: meterValuesTemplate[index].unit } : { unit: MeterValueUnit.WATT },
-              ...!Utils.isUndefined(meterValuesTemplate[index].context) && { context: meterValuesTemplate[index].context },
-              ...!Utils.isUndefined(meterValuesTemplate[index].measurand) && { measurand: meterValuesTemplate[index].measurand },
-              ...!Utils.isUndefined(meterValuesTemplate[index].location) && { location: meterValuesTemplate[index].location },
-              ...!Utils.isUndefined(meterValuesTemplate[index].value) ? { value: meterValuesTemplate[index].value } : { value: powerMeasurandValues[`L${phase}`] as string },
-              phase: phaseValue as MeterValuePhase,
-            });
-          }
-        // Current.Import measurand
-        } else if (meterValuesTemplate[index].measurand && meterValuesTemplate[index].measurand === OCPP16MeterValueMeasurand.CURRENT_IMPORT && self.chargingStation.getConfigurationKey(OCPP16StandardParametersKey.MeterValuesSampledData).value.includes(OCPP16MeterValueMeasurand.CURRENT_IMPORT)) {
-          // FIXME: factor out powerDivider checks
-          if (Utils.isUndefined(self.chargingStation.stationInfo.powerDivider)) {
-            const errMsg = `${self.chargingStation.logPrefix()} MeterValues measurand ${meterValuesTemplate[index].measurand ? meterValuesTemplate[index].measurand : OCPP16MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER}: powerDivider is undefined`;
-            logger.error(errMsg);
-            throw Error(errMsg);
-          } else if (self.chargingStation.stationInfo.powerDivider && self.chargingStation.stationInfo.powerDivider <= 0) {
-            const errMsg = `${self.chargingStation.logPrefix()} MeterValues measurand ${meterValuesTemplate[index].measurand ? meterValuesTemplate[index].measurand : OCPP16MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER}: powerDivider have zero or below value ${self.chargingStation.stationInfo.powerDivider}`;
-            logger.error(errMsg);
-            throw Error(errMsg);
-          }
-          const errMsg = `${self.chargingStation.logPrefix()} MeterValues measurand ${meterValuesTemplate[index].measurand ? meterValuesTemplate[index].measurand : OCPP16MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER}: Unknown ${self.chargingStation.getPowerOutType()} powerOutType in template file ${self.chargingStation.stationTemplateFile}, cannot calculate ${meterValuesTemplate[index].measurand ? meterValuesTemplate[index].measurand : OCPP16MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER} measurand value`;
-          const currentMeasurandValues: MeasurandValues = {} as MeasurandValues;
-          let maxAmperage: number;
-          switch (self.chargingStation.getPowerOutType()) {
-            case PowerOutType.AC:
-              maxAmperage = ElectricUtils.ampPerPhaseFromPower(self.chargingStation.getNumberOfPhases(), self.chargingStation.stationInfo.maxPower / self.chargingStation.stationInfo.powerDivider, self.chargingStation.getVoltageOut());
-              if (Utils.isUndefined(meterValuesTemplate[index].value)) {
-                currentMeasurandValues.L1 = Utils.getRandomFloatRounded(maxAmperage);
-                currentMeasurandValues.L2 = 0;
-                currentMeasurandValues.L3 = 0;
-                if (self.chargingStation.getNumberOfPhases() === 3) {
-                  currentMeasurandValues.L2 = Utils.getRandomFloatRounded(maxAmperage);
-                  currentMeasurandValues.L3 = Utils.getRandomFloatRounded(maxAmperage);
-                }
-                currentMeasurandValues.allPhases = Utils.roundTo((currentMeasurandValues.L1 + currentMeasurandValues.L2 + currentMeasurandValues.L3) / self.chargingStation.getNumberOfPhases(), 2);
-              }
-              break;
-            case PowerOutType.DC:
-              maxAmperage = ElectricUtils.ampTotalFromPower(self.chargingStation.stationInfo.maxPower / self.chargingStation.stationInfo.powerDivider, self.chargingStation.getVoltageOut());
-              if (Utils.isUndefined(meterValuesTemplate[index].value)) {
-                currentMeasurandValues.allPhases = Utils.getRandomFloatRounded(maxAmperage);
-              }
-              break;
-            default:
-              logger.error(errMsg);
-              throw Error(errMsg);
-          }
-          meterValue.sampledValue.push({
-            ...!Utils.isUndefined(meterValuesTemplate[index].unit) ? { unit: meterValuesTemplate[index].unit } : { unit: MeterValueUnit.AMP },
-            ...!Utils.isUndefined(meterValuesTemplate[index].context) && { context: meterValuesTemplate[index].context },
-            measurand: meterValuesTemplate[index].measurand,
-            ...!Utils.isUndefined(meterValuesTemplate[index].location) && { location: meterValuesTemplate[index].location },
-            ...!Utils.isUndefined(meterValuesTemplate[index].value) ? { value: meterValuesTemplate[index].value } : { value: currentMeasurandValues.allPhases.toString() },
-          });
-          const sampledValuesIndex = meterValue.sampledValue.length - 1;
-          if (Utils.convertToFloat(meterValue.sampledValue[sampledValuesIndex].value) > maxAmperage || debug) {
-            logger.error(`${self.chargingStation.logPrefix()} MeterValues measurand ${meterValue.sampledValue[sampledValuesIndex].measurand ? meterValue.sampledValue[sampledValuesIndex].measurand : OCPP16MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER}: connectorId ${connectorId}, transaction ${connector.transactionId}, value: ${meterValue.sampledValue[sampledValuesIndex].value}/${maxAmperage}`);
-          }
-          for (let phase = 1; self.chargingStation.getNumberOfPhases() === 3 && phase <= self.chargingStation.getNumberOfPhases(); phase++) {
-            const phaseValue = `L${phase}`;
-            meterValue.sampledValue.push({
-              ...!Utils.isUndefined(meterValuesTemplate[index].unit) ? { unit: meterValuesTemplate[index].unit } : { unit: MeterValueUnit.AMP },
-              ...!Utils.isUndefined(meterValuesTemplate[index].context) && { context: meterValuesTemplate[index].context },
-              ...!Utils.isUndefined(meterValuesTemplate[index].measurand) && { measurand: meterValuesTemplate[index].measurand },
-              ...!Utils.isUndefined(meterValuesTemplate[index].location) && { location: meterValuesTemplate[index].location },
-              ...!Utils.isUndefined(meterValuesTemplate[index].value) ? { value: meterValuesTemplate[index].value } : { value: currentMeasurandValues[phaseValue] as string },
-              phase: phaseValue as MeterValuePhase,
-            });
-          }
-        // Energy.Active.Import.Register measurand (default)
-        } else if (!meterValuesTemplate[index].measurand || meterValuesTemplate[index].measurand === OCPP16MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER) {
-          // FIXME: factor out powerDivider checks
-          if (Utils.isUndefined(self.chargingStation.stationInfo.powerDivider)) {
-            const errMsg = `${self.chargingStation.logPrefix()} MeterValues measurand ${meterValuesTemplate[index].measurand ? meterValuesTemplate[index].measurand : OCPP16MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER}: powerDivider is undefined`;
-            logger.error(errMsg);
-            throw Error(errMsg);
-          } else if (self.chargingStation.stationInfo.powerDivider && self.chargingStation.stationInfo.powerDivider <= 0) {
-            const errMsg = `${self.chargingStation.logPrefix()} MeterValues measurand ${meterValuesTemplate[index].measurand ? meterValuesTemplate[index].measurand : OCPP16MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER}: powerDivider have zero or below value ${self.chargingStation.stationInfo.powerDivider}`;
-            logger.error(errMsg);
-            throw Error(errMsg);
-          }
-          if (Utils.isUndefined(meterValuesTemplate[index].value)) {
-            const measurandValue = Utils.getRandomInt(self.chargingStation.stationInfo.maxPower / (self.chargingStation.stationInfo.powerDivider * 3600000) * interval);
-            // Persist previous value in connector
-            if (connector && !Utils.isNullOrUndefined(connector.lastEnergyActiveImportRegisterValue) && connector.lastEnergyActiveImportRegisterValue >= 0) {
-              connector.lastEnergyActiveImportRegisterValue += measurandValue;
-            } else {
-              connector.lastEnergyActiveImportRegisterValue = 0;
-            }
-          }
-          meterValue.sampledValue.push({
-            ...!Utils.isUndefined(meterValuesTemplate[index].unit) ? { unit: meterValuesTemplate[index].unit } : { unit: MeterValueUnit.WATT_HOUR },
-            ...!Utils.isUndefined(meterValuesTemplate[index].context) && { context: meterValuesTemplate[index].context },
-            ...!Utils.isUndefined(meterValuesTemplate[index].measurand) && { measurand: meterValuesTemplate[index].measurand },
-            ...!Utils.isUndefined(meterValuesTemplate[index].location) && { location: meterValuesTemplate[index].location },
-            ...!Utils.isUndefined(meterValuesTemplate[index].value) ? { value: meterValuesTemplate[index].value } :
-              { value: connector.lastEnergyActiveImportRegisterValue.toString() },
-          });
-          const sampledValuesIndex = meterValue.sampledValue.length - 1;
-          const maxConsumption = Math.round(self.chargingStation.stationInfo.maxPower * 3600 / (self.chargingStation.stationInfo.powerDivider * interval));
-          if (Utils.convertToFloat(meterValue.sampledValue[sampledValuesIndex].value) > maxConsumption || debug) {
-            logger.error(`${self.chargingStation.logPrefix()} MeterValues measurand ${meterValue.sampledValue[sampledValuesIndex].measurand ? meterValue.sampledValue[sampledValuesIndex].measurand : OCPP16MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER}: connectorId ${connectorId}, transaction ${connector.transactionId}, value: ${meterValue.sampledValue[sampledValuesIndex].value}/${maxConsumption}`);
-          }
-        // Unsupported measurand
-        } else {
-          logger.info(`${self.chargingStation.logPrefix()} Unsupported MeterValues measurand ${meterValuesTemplate[index].measurand ? meterValuesTemplate[index].measurand : OCPP16MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER} on connectorId ${connectorId}`);
-        }
-      }
-      const payload: MeterValuesRequest = {
-        connectorId,
-        transactionId,
-        meterValue,
-      };
-      await self.sendMessage(Utils.generateUUID(), payload, MessageType.CALL_MESSAGE, OCPP16RequestCommand.METERVALUES);
-    } catch (error) {
-      self.handleRequestError(OCPP16RequestCommand.METERVALUES, error);
+  private validatePayload<Request extends JsonType>(
+    chargingStation: ChargingStation,
+    commandName: OCPP16RequestCommand,
+    requestPayload: Request
+  ): boolean {
+    if (this.jsonSchemas.has(commandName)) {
+      return this.validateRequestPayload(
+        chargingStation,
+        commandName,
+        this.jsonSchemas.get(commandName),
+        requestPayload
+      );
     }
-  }
-
-  public async sendError(messageId: string, error: OCPPError, commandName: OCPP16RequestCommand | OCPP16IncomingRequestCommand): Promise<unknown> {
-    // Send error
-    return this.sendMessage(messageId, error, MessageType.CALL_ERROR_MESSAGE, commandName);
+    logger.warn(
+      `${chargingStation.logPrefix()} ${moduleName}.validatePayload: No JSON schema found for command ${commandName} PDU validation`
+    );
+    return false;
   }
 }