refactor: revert internal exports

[e-mobility-charging-stations-simulator.git] / src / charging-station / ocpp / 1.6 / OCPP16ServiceUtils.ts

diff --git a/src/charging-station/ocpp/1.6/OCPP16ServiceUtils.ts b/src/charging-station/ocpp/1.6/OCPP16ServiceUtils.ts
index 0915aa462b3fa70deefacd04cdcdc9918063c2fc..68f4a6ea5a50271ecf1a65360d38079227e10fe5 100644 (file)
--- a/src/charging-station/ocpp/1.6/OCPP16ServiceUtils.ts
+++ b/src/charging-station/ocpp/1.6/OCPP16ServiceUtils.ts
@@ -1,35 +1,35 @@
-// Partial Copyright Jerome Benoit. 2021. All Rights Reserved.
+// Partial Copyright Jerome Benoit. 2021-2023. All Rights Reserved.
 
-import OCPPError from '../../../exception/OCPPError';
-import { CurrentType, Voltage } from '../../../types/ChargingStationTemplate';
-import type MeasurandPerPhaseSampledValueTemplates from '../../../types/MeasurandPerPhaseSampledValueTemplates';
-// eslint-disable-next-line no-duplicate-imports
-import type { SampledValueTemplate } from '../../../types/MeasurandPerPhaseSampledValueTemplates';
-import type MeasurandValues from '../../../types/MeasurandValues';
-import {
-  OCPP16StandardParametersKey,
-  OCPP16SupportedFeatureProfiles,
-} from '../../../types/ocpp/1.6/Configuration';
+import path from 'node:path';
+import { fileURLToPath } from 'node:url';
+
+import type { JSONSchemaType } from 'ajv';
+
+import type { ChargingStation } from '../../../charging-station';
+import { OCPPError } from '../../../exception';
 import {
+  CurrentType,
+  ErrorType,
+  type JsonType,
+  type MeasurandPerPhaseSampledValueTemplates,
+  type MeasurandValues,
   MeterValueContext,
   MeterValueLocation,
   MeterValueUnit,
-  OCPP16MeterValue,
+  type OCPP16ChargingProfile,
+  type OCPP16IncomingRequestCommand,
+  type OCPP16MeterValue,
   OCPP16MeterValueMeasurand,
   OCPP16MeterValuePhase,
-  OCPP16SampledValue,
-} from '../../../types/ocpp/1.6/MeterValues';
-import {
-  OCPP16IncomingRequestCommand,
   OCPP16RequestCommand,
-} from '../../../types/ocpp/1.6/Requests';
-import { ErrorType } from '../../../types/ocpp/ErrorType';
-import Constants from '../../../utils/Constants';
-import { ACElectricUtils, DCElectricUtils } from '../../../utils/ElectricUtils';
-import logger from '../../../utils/Logger';
-import Utils from '../../../utils/Utils';
-import type ChargingStation from '../../ChargingStation';
-import { ChargingStationUtils } from '../../ChargingStationUtils';
+  type OCPP16SampledValue,
+  OCPP16StandardParametersKey,
+  type OCPP16SupportedFeatureProfiles,
+  OCPPVersion,
+  type SampledValueTemplate,
+  Voltage,
+} from '../../../types';
+import { ACElectricUtils, Constants, DCElectricUtils, Utils, logger } from '../../../utils';
 import { OCPPServiceUtils } from '../OCPPServiceUtils';
 
 export class OCPP16ServiceUtils extends OCPPServiceUtils {
@@ -57,40 +57,48 @@ export class OCPP16ServiceUtils extends OCPPServiceUtils {
     debug = false
   ): OCPP16MeterValue {
     const meterValue: OCPP16MeterValue = {
-      timestamp: new Date().toISOString(),
+      timestamp: new Date(),
       sampledValue: [],
     };
     const connector = chargingStation.getConnectorStatus(connectorId);
     // SoC measurand
-    const socSampledValueTemplate = ChargingStationUtils.getSampledValueTemplate(
+    const socSampledValueTemplate = OCPP16ServiceUtils.getSampledValueTemplate(
       chargingStation,
       connectorId,
       OCPP16MeterValueMeasurand.STATE_OF_CHARGE
     );
     if (socSampledValueTemplate) {
+      const socMaximumValue = 100;
+      const socMinimumValue = socSampledValueTemplate.minimumValue ?? 0;
       const socSampledValueTemplateValue = socSampledValueTemplate.value
         ? Utils.getRandomFloatFluctuatedRounded(
             parseInt(socSampledValueTemplate.value),
             socSampledValueTemplate.fluctuationPercent ?? Constants.DEFAULT_FLUCTUATION_PERCENT
           )
-        : Utils.getRandomInteger(100);
+        : Utils.getRandomInteger(socMaximumValue, socMinimumValue);
       meterValue.sampledValue.push(
         OCPP16ServiceUtils.buildSampledValue(socSampledValueTemplate, socSampledValueTemplateValue)
       );
       const sampledValuesIndex = meterValue.sampledValue.length - 1;
-      if (Utils.convertToInt(meterValue.sampledValue[sampledValuesIndex].value) > 100 || debug) {
+      if (
+        Utils.convertToInt(meterValue.sampledValue[sampledValuesIndex].value) > socMaximumValue ||
+        Utils.convertToInt(meterValue.sampledValue[sampledValuesIndex].value) < socMinimumValue ||
+        debug
+      ) {
         logger.error(
           `${chargingStation.logPrefix()} MeterValues measurand ${
             meterValue.sampledValue[sampledValuesIndex].measurand ??
             OCPP16MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER
-          }: connectorId ${connectorId}, transaction ${connector.transactionId}, value: ${
+          }: connector id ${connectorId}, transaction id ${
+            connector?.transactionId
+          }, value: ${socMinimumValue}/${
             meterValue.sampledValue[sampledValuesIndex].value
-          }/100`
+          }/${socMaximumValue}}`
         );
       }
     }
     // Voltage measurand
-    const voltageSampledValueTemplate = ChargingStationUtils.getSampledValueTemplate(
+    const voltageSampledValueTemplate = OCPP16ServiceUtils.getSampledValueTemplate(
       chargingStation,
       connectorId,
       OCPP16MeterValueMeasurand.VOLTAGE
@@ -120,7 +128,7 @@ export class OCPP16ServiceUtils extends OCPPServiceUtils {
       ) {
         const phaseLineToNeutralValue = `L${phase}-N`;
         const voltagePhaseLineToNeutralSampledValueTemplate =
-          ChargingStationUtils.getSampledValueTemplate(
+          OCPP16ServiceUtils.getSampledValueTemplate(
             chargingStation,
             connectorId,
             OCPP16MeterValueMeasurand.VOLTAGE,
@@ -144,7 +152,7 @@ export class OCPP16ServiceUtils extends OCPPServiceUtils {
           OCPP16ServiceUtils.buildSampledValue(
             voltagePhaseLineToNeutralSampledValueTemplate ?? voltageSampledValueTemplate,
             voltagePhaseLineToNeutralMeasurandValue ?? voltageMeasurandValue,
-            null,
+            undefined,
             phaseLineToNeutralValue as OCPP16MeterValuePhase
           )
         );
@@ -155,7 +163,7 @@ export class OCPP16ServiceUtils extends OCPPServiceUtils {
               : chargingStation.getNumberOfPhases()
           }`;
           const voltagePhaseLineToLineSampledValueTemplate =
-            ChargingStationUtils.getSampledValueTemplate(
+            OCPP16ServiceUtils.getSampledValueTemplate(
               chargingStation,
               connectorId,
               OCPP16MeterValueMeasurand.VOLTAGE,
@@ -183,7 +191,7 @@ export class OCPP16ServiceUtils extends OCPPServiceUtils {
             OCPP16ServiceUtils.buildSampledValue(
               voltagePhaseLineToLineSampledValueTemplate ?? voltageSampledValueTemplate,
               voltagePhaseLineToLineMeasurandValue ?? defaultVoltagePhaseLineToLineMeasurandValue,
-              null,
+              undefined,
               phaseLineToLineValue as OCPP16MeterValuePhase
             )
           );
@@ -191,7 +199,7 @@ export class OCPP16ServiceUtils extends OCPPServiceUtils {
       }
     }
     // Power.Active.Import measurand
-    const powerSampledValueTemplate = ChargingStationUtils.getSampledValueTemplate(
+    const powerSampledValueTemplate = OCPP16ServiceUtils.getSampledValueTemplate(
       chargingStation,
       connectorId,
       OCPP16MeterValueMeasurand.POWER_ACTIVE_IMPORT
@@ -199,19 +207,19 @@ export class OCPP16ServiceUtils extends OCPPServiceUtils {
     let powerPerPhaseSampledValueTemplates: MeasurandPerPhaseSampledValueTemplates = {};
     if (chargingStation.getNumberOfPhases() === 3) {
       powerPerPhaseSampledValueTemplates = {
-        L1: ChargingStationUtils.getSampledValueTemplate(
+        L1: OCPP16ServiceUtils.getSampledValueTemplate(
           chargingStation,
           connectorId,
           OCPP16MeterValueMeasurand.POWER_ACTIVE_IMPORT,
           OCPP16MeterValuePhase.L1_N
         ),
-        L2: ChargingStationUtils.getSampledValueTemplate(
+        L2: OCPP16ServiceUtils.getSampledValueTemplate(
           chargingStation,
           connectorId,
           OCPP16MeterValueMeasurand.POWER_ACTIVE_IMPORT,
           OCPP16MeterValuePhase.L2_N
         ),
-        L3: ChargingStationUtils.getSampledValueTemplate(
+        L3: OCPP16ServiceUtils.getSampledValueTemplate(
           chargingStation,
           connectorId,
           OCPP16MeterValueMeasurand.POWER_ACTIVE_IMPORT,
@@ -224,7 +232,7 @@ export class OCPP16ServiceUtils extends OCPPServiceUtils {
         chargingStation,
         powerSampledValueTemplate.measurand
       );
-      const errMsg = `${chargingStation.logPrefix()} MeterValues measurand ${
+      const errMsg = `MeterValues measurand ${
         powerSampledValueTemplate.measurand ??
         OCPP16MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER
       }: Unknown ${chargingStation.getCurrentOutType()} currentOutType in template file ${
@@ -241,6 +249,10 @@ export class OCPP16ServiceUtils extends OCPPServiceUtils {
       const connectorMaximumPowerPerPhase = Math.round(
         connectorMaximumAvailablePower / chargingStation.getNumberOfPhases()
       );
+      const connectorMinimumPower = Math.round(powerSampledValueTemplate.minimumValue) ?? 0;
+      const connectorMinimumPowerPerPhase = Math.round(
+        connectorMinimumPower / chargingStation.getNumberOfPhases()
+      );
       switch (chargingStation.getCurrentOutType()) {
         case CurrentType.AC:
           if (chargingStation.getNumberOfPhases() === 3) {
@@ -291,15 +303,24 @@ export class OCPP16ServiceUtils extends OCPPServiceUtils {
             powerMeasurandValues.L1 =
               phase1FluctuatedValue ??
               defaultFluctuatedPowerPerPhase ??
-              Utils.getRandomFloatRounded(connectorMaximumPowerPerPhase / unitDivider);
+              Utils.getRandomFloatRounded(
+                connectorMaximumPowerPerPhase / unitDivider,
+                connectorMinimumPowerPerPhase / unitDivider
+              );
             powerMeasurandValues.L2 =
               phase2FluctuatedValue ??
               defaultFluctuatedPowerPerPhase ??
-              Utils.getRandomFloatRounded(connectorMaximumPowerPerPhase / unitDivider);
+              Utils.getRandomFloatRounded(
+                connectorMaximumPowerPerPhase / unitDivider,
+                connectorMinimumPowerPerPhase / unitDivider
+              );
             powerMeasurandValues.L3 =
               phase3FluctuatedValue ??
               defaultFluctuatedPowerPerPhase ??
-              Utils.getRandomFloatRounded(connectorMaximumPowerPerPhase / unitDivider);
+              Utils.getRandomFloatRounded(
+                connectorMaximumPowerPerPhase / unitDivider,
+                connectorMinimumPowerPerPhase / unitDivider
+              );
           } else {
             powerMeasurandValues.L1 = powerSampledValueTemplate.value
               ? Utils.getRandomFloatFluctuatedRounded(
@@ -311,7 +332,10 @@ export class OCPP16ServiceUtils extends OCPPServiceUtils {
                   powerSampledValueTemplate.fluctuationPercent ??
                     Constants.DEFAULT_FLUCTUATION_PERCENT
                 )
-              : Utils.getRandomFloatRounded(connectorMaximumPower / unitDivider);
+              : Utils.getRandomFloatRounded(
+                  connectorMaximumPower / unitDivider,
+                  connectorMinimumPower / unitDivider
+                );
             powerMeasurandValues.L2 = 0;
             powerMeasurandValues.L3 = 0;
           }
@@ -331,10 +355,13 @@ export class OCPP16ServiceUtils extends OCPPServiceUtils {
                 powerSampledValueTemplate.fluctuationPercent ??
                   Constants.DEFAULT_FLUCTUATION_PERCENT
               )
-            : Utils.getRandomFloatRounded(connectorMaximumPower / unitDivider);
+            : Utils.getRandomFloatRounded(
+                connectorMaximumPower / unitDivider,
+                connectorMinimumPower / unitDivider
+              );
           break;
         default:
-          logger.error(errMsg);
+          logger.error(`${chargingStation.logPrefix()} ${errMsg}`);
           throw new OCPPError(ErrorType.INTERNAL_ERROR, errMsg, OCPP16RequestCommand.METER_VALUES);
       }
       meterValue.sampledValue.push(
@@ -345,16 +372,21 @@ export class OCPP16ServiceUtils extends OCPPServiceUtils {
       );
       const sampledValuesIndex = meterValue.sampledValue.length - 1;
       const connectorMaximumPowerRounded = Utils.roundTo(connectorMaximumPower / unitDivider, 2);
+      const connectorMinimumPowerRounded = Utils.roundTo(connectorMinimumPower / unitDivider, 2);
       if (
         Utils.convertToFloat(meterValue.sampledValue[sampledValuesIndex].value) >
           connectorMaximumPowerRounded ||
+        Utils.convertToFloat(meterValue.sampledValue[sampledValuesIndex].value) <
+          connectorMinimumPowerRounded ||
         debug
       ) {
         logger.error(
           `${chargingStation.logPrefix()} MeterValues measurand ${
             meterValue.sampledValue[sampledValuesIndex].measurand ??
             OCPP16MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER
-          }: connectorId ${connectorId}, transaction ${connector.transactionId}, value: ${
+          }: connector id ${connectorId}, transaction id ${
+            connector?.transactionId
+          }, value: ${connectorMinimumPowerRounded}/${
             meterValue.sampledValue[sampledValuesIndex].value
           }/${connectorMaximumPowerRounded}`
         );
@@ -370,7 +402,7 @@ export class OCPP16ServiceUtils extends OCPPServiceUtils {
             (powerPerPhaseSampledValueTemplates[`L${phase}`] as SampledValueTemplate) ??
               powerSampledValueTemplate,
             powerMeasurandValues[`L${phase}`] as number,
-            null,
+            undefined,
             phaseValue as OCPP16MeterValuePhase
           )
         );
@@ -379,9 +411,15 @@ export class OCPP16ServiceUtils extends OCPPServiceUtils {
           connectorMaximumPowerPerPhase / unitDivider,
           2
         );
+        const connectorMinimumPowerPerPhaseRounded = Utils.roundTo(
+          connectorMinimumPowerPerPhase / unitDivider,
+          2
+        );
         if (
           Utils.convertToFloat(meterValue.sampledValue[sampledValuesPerPhaseIndex].value) >
             connectorMaximumPowerPerPhaseRounded ||
+          Utils.convertToFloat(meterValue.sampledValue[sampledValuesPerPhaseIndex].value) <
+            connectorMinimumPowerPerPhaseRounded ||
           debug
         ) {
           logger.error(
@@ -390,7 +428,9 @@ export class OCPP16ServiceUtils extends OCPPServiceUtils {
               OCPP16MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER
             }: phase ${
               meterValue.sampledValue[sampledValuesPerPhaseIndex].phase
-            }, connectorId ${connectorId}, transaction ${connector.transactionId}, value: ${
+            }, connector id ${connectorId}, transaction id ${
+              connector?.transactionId
+            }, value: ${connectorMinimumPowerPerPhaseRounded}/${
               meterValue.sampledValue[sampledValuesPerPhaseIndex].value
             }/${connectorMaximumPowerPerPhaseRounded}`
           );
@@ -398,7 +438,7 @@ export class OCPP16ServiceUtils extends OCPPServiceUtils {
       }
     }
     // Current.Import measurand
-    const currentSampledValueTemplate = ChargingStationUtils.getSampledValueTemplate(
+    const currentSampledValueTemplate = OCPP16ServiceUtils.getSampledValueTemplate(
       chargingStation,
       connectorId,
       OCPP16MeterValueMeasurand.CURRENT_IMPORT
@@ -406,19 +446,19 @@ export class OCPP16ServiceUtils extends OCPPServiceUtils {
     let currentPerPhaseSampledValueTemplates: MeasurandPerPhaseSampledValueTemplates = {};
     if (chargingStation.getNumberOfPhases() === 3) {
       currentPerPhaseSampledValueTemplates = {
-        L1: ChargingStationUtils.getSampledValueTemplate(
+        L1: OCPP16ServiceUtils.getSampledValueTemplate(
           chargingStation,
           connectorId,
           OCPP16MeterValueMeasurand.CURRENT_IMPORT,
           OCPP16MeterValuePhase.L1
         ),
-        L2: ChargingStationUtils.getSampledValueTemplate(
+        L2: OCPP16ServiceUtils.getSampledValueTemplate(
           chargingStation,
           connectorId,
           OCPP16MeterValueMeasurand.CURRENT_IMPORT,
           OCPP16MeterValuePhase.L2
         ),
-        L3: ChargingStationUtils.getSampledValueTemplate(
+        L3: OCPP16ServiceUtils.getSampledValueTemplate(
           chargingStation,
           connectorId,
           OCPP16MeterValueMeasurand.CURRENT_IMPORT,
@@ -431,7 +471,7 @@ export class OCPP16ServiceUtils extends OCPPServiceUtils {
         chargingStation,
         currentSampledValueTemplate.measurand
       );
-      const errMsg = `${chargingStation.logPrefix()} MeterValues measurand ${
+      const errMsg = `MeterValues measurand ${
         currentSampledValueTemplate.measurand ??
         OCPP16MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER
       }: Unknown ${chargingStation.getCurrentOutType()} currentOutType in template file ${
@@ -443,6 +483,7 @@ export class OCPP16ServiceUtils extends OCPPServiceUtils {
       const currentMeasurandValues: MeasurandValues = {} as MeasurandValues;
       const connectorMaximumAvailablePower =
         chargingStation.getConnectorMaximumAvailablePower(connectorId);
+      const connectorMinimumAmperage = currentSampledValueTemplate.minimumValue ?? 0;
       let connectorMaximumAmperage: number;
       switch (chargingStation.getCurrentOutType()) {
         case CurrentType.AC:
@@ -499,15 +540,15 @@ export class OCPP16ServiceUtils extends OCPPServiceUtils {
             currentMeasurandValues.L1 =
               phase1FluctuatedValue ??
               defaultFluctuatedAmperagePerPhase ??
-              Utils.getRandomFloatRounded(connectorMaximumAmperage);
+              Utils.getRandomFloatRounded(connectorMaximumAmperage, connectorMinimumAmperage);
             currentMeasurandValues.L2 =
               phase2FluctuatedValue ??
               defaultFluctuatedAmperagePerPhase ??
-              Utils.getRandomFloatRounded(connectorMaximumAmperage);
+              Utils.getRandomFloatRounded(connectorMaximumAmperage, connectorMinimumAmperage);
             currentMeasurandValues.L3 =
               phase3FluctuatedValue ??
               defaultFluctuatedAmperagePerPhase ??
-              Utils.getRandomFloatRounded(connectorMaximumAmperage);
+              Utils.getRandomFloatRounded(connectorMaximumAmperage, connectorMinimumAmperage);
           } else {
             currentMeasurandValues.L1 = currentSampledValueTemplate.value
               ? Utils.getRandomFloatFluctuatedRounded(
@@ -519,7 +560,7 @@ export class OCPP16ServiceUtils extends OCPPServiceUtils {
                   currentSampledValueTemplate.fluctuationPercent ??
                     Constants.DEFAULT_FLUCTUATION_PERCENT
                 )
-              : Utils.getRandomFloatRounded(connectorMaximumAmperage);
+              : Utils.getRandomFloatRounded(connectorMaximumAmperage, connectorMinimumAmperage);
             currentMeasurandValues.L2 = 0;
             currentMeasurandValues.L3 = 0;
           }
@@ -544,10 +585,10 @@ export class OCPP16ServiceUtils extends OCPPServiceUtils {
                 currentSampledValueTemplate.fluctuationPercent ??
                   Constants.DEFAULT_FLUCTUATION_PERCENT
               )
-            : Utils.getRandomFloatRounded(connectorMaximumAmperage);
+            : Utils.getRandomFloatRounded(connectorMaximumAmperage, connectorMinimumAmperage);
           break;
         default:
-          logger.error(errMsg);
+          logger.error(`${chargingStation.logPrefix()} ${errMsg}`);
           throw new OCPPError(ErrorType.INTERNAL_ERROR, errMsg, OCPP16RequestCommand.METER_VALUES);
       }
       meterValue.sampledValue.push(
@@ -560,13 +601,17 @@ export class OCPP16ServiceUtils extends OCPPServiceUtils {
       if (
         Utils.convertToFloat(meterValue.sampledValue[sampledValuesIndex].value) >
           connectorMaximumAmperage ||
+        Utils.convertToFloat(meterValue.sampledValue[sampledValuesIndex].value) <
+          connectorMinimumAmperage ||
         debug
       ) {
         logger.error(
           `${chargingStation.logPrefix()} MeterValues measurand ${
             meterValue.sampledValue[sampledValuesIndex].measurand ??
             OCPP16MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER
-          }: connectorId ${connectorId}, transaction ${connector.transactionId}, value: ${
+          }: connector id ${connectorId}, transaction id ${
+            connector?.transactionId
+          }, value: ${connectorMinimumAmperage}/${
             meterValue.sampledValue[sampledValuesIndex].value
           }/${connectorMaximumAmperage}`
         );
@@ -582,7 +627,7 @@ export class OCPP16ServiceUtils extends OCPPServiceUtils {
             (currentPerPhaseSampledValueTemplates[phaseValue] as SampledValueTemplate) ??
               currentSampledValueTemplate,
             currentMeasurandValues[phaseValue] as number,
-            null,
+            undefined,
             phaseValue as OCPP16MeterValuePhase
           )
         );
@@ -590,6 +635,8 @@ export class OCPP16ServiceUtils extends OCPPServiceUtils {
         if (
           Utils.convertToFloat(meterValue.sampledValue[sampledValuesPerPhaseIndex].value) >
             connectorMaximumAmperage ||
+          Utils.convertToFloat(meterValue.sampledValue[sampledValuesPerPhaseIndex].value) <
+            connectorMinimumAmperage ||
           debug
         ) {
           logger.error(
@@ -598,7 +645,9 @@ export class OCPP16ServiceUtils extends OCPPServiceUtils {
               OCPP16MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER
             }: phase ${
               meterValue.sampledValue[sampledValuesPerPhaseIndex].phase
-            }, connectorId ${connectorId}, transaction ${connector.transactionId}, value: ${
+            }, connector id ${connectorId}, transaction id ${
+              connector?.transactionId
+            }, value: ${connectorMinimumAmperage}/${
               meterValue.sampledValue[sampledValuesPerPhaseIndex].value
             }/${connectorMaximumAmperage}`
           );
@@ -606,7 +655,7 @@ export class OCPP16ServiceUtils extends OCPPServiceUtils {
       }
     }
     // Energy.Active.Import.Register measurand (default)
-    const energySampledValueTemplate = ChargingStationUtils.getSampledValueTemplate(
+    const energySampledValueTemplate = OCPP16ServiceUtils.getSampledValueTemplate(
       chargingStation,
       connectorId
     );
@@ -640,9 +689,9 @@ export class OCPP16ServiceUtils extends OCPPServiceUtils {
       // Persist previous value on connector
       if (
         connector &&
-        !Utils.isNullOrUndefined(connector.energyActiveImportRegisterValue) &&
+        Utils.isNullOrUndefined(connector.energyActiveImportRegisterValue) === false &&
         connector.energyActiveImportRegisterValue >= 0 &&
-        !Utils.isNullOrUndefined(connector.transactionEnergyActiveImportRegisterValue) &&
+        Utils.isNullOrUndefined(connector.transactionEnergyActiveImportRegisterValue) === false &&
         connector.transactionEnergyActiveImportRegisterValue >= 0
       ) {
         connector.energyActiveImportRegisterValue += energyValueRounded;
@@ -667,8 +716,8 @@ export class OCPP16ServiceUtils extends OCPPServiceUtils {
           `${chargingStation.logPrefix()} MeterValues measurand ${
             meterValue.sampledValue[sampledValuesIndex].measurand ??
             OCPP16MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER
-          }: connectorId ${connectorId}, transaction ${
-            connector.transactionId
+          }: connector id ${connectorId}, transaction id ${
+            connector?.transactionId
           }, value: ${energyValueRounded}/${connectorMaximumEnergyRounded}, duration: ${Utils.roundTo(
             interval / (3600 * 1000),
             4
@@ -685,11 +734,11 @@ export class OCPP16ServiceUtils extends OCPPServiceUtils {
     meterStart: number
   ): OCPP16MeterValue {
     const meterValue: OCPP16MeterValue = {
-      timestamp: new Date().toISOString(),
+      timestamp: new Date(),
       sampledValue: [],
     };
     // Energy.Active.Import.Register measurand (default)
-    const sampledValueTemplate = ChargingStationUtils.getSampledValueTemplate(
+    const sampledValueTemplate = OCPP16ServiceUtils.getSampledValueTemplate(
       chargingStation,
       connectorId
     );
@@ -697,7 +746,7 @@ export class OCPP16ServiceUtils extends OCPPServiceUtils {
     meterValue.sampledValue.push(
       OCPP16ServiceUtils.buildSampledValue(
         sampledValueTemplate,
-        Utils.roundTo(meterStart / unitDivider, 4),
+        Utils.roundTo((meterStart ?? 0) / unitDivider, 4),
         MeterValueContext.TRANSACTION_BEGIN
       )
     );
@@ -710,11 +759,11 @@ export class OCPP16ServiceUtils extends OCPPServiceUtils {
     meterStop: number
   ): OCPP16MeterValue {
     const meterValue: OCPP16MeterValue = {
-      timestamp: new Date().toISOString(),
+      timestamp: new Date(),
       sampledValue: [],
     };
     // Energy.Active.Import.Register measurand (default)
-    const sampledValueTemplate = ChargingStationUtils.getSampledValueTemplate(
+    const sampledValueTemplate = OCPP16ServiceUtils.getSampledValueTemplate(
       chargingStation,
       connectorId
     );
@@ -722,7 +771,7 @@ export class OCPP16ServiceUtils extends OCPPServiceUtils {
     meterValue.sampledValue.push(
       OCPP16ServiceUtils.buildSampledValue(
         sampledValueTemplate,
-        Utils.roundTo(meterStop / unitDivider, 4),
+        Utils.roundTo((meterStop ?? 0) / unitDivider, 4),
         MeterValueContext.TRANSACTION_END
       )
     );
@@ -739,6 +788,58 @@ export class OCPP16ServiceUtils extends OCPPServiceUtils {
     return meterValues;
   }
 
+  public static setChargingProfile(
+    chargingStation: ChargingStation,
+    connectorId: number,
+    cp: OCPP16ChargingProfile
+  ): void {
+    if (
+      Utils.isNullOrUndefined(chargingStation.getConnectorStatus(connectorId)?.chargingProfiles)
+    ) {
+      logger.error(
+        `${chargingStation.logPrefix()} Trying to set a charging profile on connector id ${connectorId} with an uninitialized charging profiles array attribute, applying deferred initialization`
+      );
+      chargingStation.getConnectorStatus(connectorId).chargingProfiles = [];
+    }
+    if (
+      Array.isArray(chargingStation.getConnectorStatus(connectorId)?.chargingProfiles) === false
+    ) {
+      logger.error(
+        `${chargingStation.logPrefix()} Trying to set a charging profile on connector id ${connectorId} with an improper attribute type for the charging profiles array, applying proper type initialization`
+      );
+      chargingStation.getConnectorStatus(connectorId).chargingProfiles = [];
+    }
+    let cpReplaced = false;
+    if (Utils.isNotEmptyArray(chargingStation.getConnectorStatus(connectorId)?.chargingProfiles)) {
+      chargingStation
+        .getConnectorStatus(connectorId)
+        ?.chargingProfiles?.forEach((chargingProfile: OCPP16ChargingProfile, index: number) => {
+          if (
+            chargingProfile.chargingProfileId === cp.chargingProfileId ||
+            (chargingProfile.stackLevel === cp.stackLevel &&
+              chargingProfile.chargingProfilePurpose === cp.chargingProfilePurpose)
+          ) {
+            chargingStation.getConnectorStatus(connectorId).chargingProfiles[index] = cp;
+            cpReplaced = true;
+          }
+        });
+    }
+    !cpReplaced && chargingStation.getConnectorStatus(connectorId)?.chargingProfiles?.push(cp);
+  }
+
+  public static parseJsonSchemaFile<T extends JsonType>(
+    relativePath: string,
+    moduleName?: string,
+    methodName?: string
+  ): JSONSchemaType<T> {
+    return super.parseJsonSchemaFile<T>(
+      path.resolve(path.dirname(fileURLToPath(import.meta.url)), relativePath),
+      OCPPVersion.VERSION_16,
+      moduleName,
+      methodName
+    );
+  }
+
   private static buildSampledValue(
     sampledValueTemplate: SampledValueTemplate,
     value: number,
@@ -770,16 +871,16 @@ export class OCPP16ServiceUtils extends OCPPServiceUtils {
     measurandType: OCPP16MeterValueMeasurand
   ): void {
     if (Utils.isUndefined(chargingStation.powerDivider)) {
-      const errMsg = `${chargingStation.logPrefix()} MeterValues measurand ${
+      const errMsg = `MeterValues measurand ${
         measurandType ?? OCPP16MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER
       }: powerDivider is undefined`;
-      logger.error(errMsg);
+      logger.error(`${chargingStation.logPrefix()} ${errMsg}`);
       throw new OCPPError(ErrorType.INTERNAL_ERROR, errMsg, OCPP16RequestCommand.METER_VALUES);
     } else if (chargingStation?.powerDivider <= 0) {
-      const errMsg = `${chargingStation.logPrefix()} MeterValues measurand ${
+      const errMsg = `MeterValues measurand ${
         measurandType ?? OCPP16MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER
       }: powerDivider have zero or below value ${chargingStation.powerDivider}`;
-      logger.error(errMsg);
+      logger.error(`${chargingStation.logPrefix()} ${errMsg}`);
       throw new OCPPError(ErrorType.INTERNAL_ERROR, errMsg, OCPP16RequestCommand.METER_VALUES);
     }
   }