118 lines
5.2 KiB
C#
118 lines
5.2 KiB
C#
/*
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* OCPP.Core - https://github.com/dallmann-consulting/OCPP.Core
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* Copyright (C) 2020-2021 dallmann consulting GmbH.
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* All Rights Reserved.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Threading.Tasks;
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using Microsoft.Extensions.Logging;
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using Newtonsoft.Json;
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using OCPP.Core.Database;
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using OCPP.Core.Server.Messages_OCPP20;
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namespace OCPP.Core.Server
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{
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public partial class ControllerOCPP20
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{
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public string HandleMeterValues(OCPPMessage msgIn, OCPPMessage msgOut)
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{
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string errorCode = null;
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MeterValuesResponse meterValuesResponse = new MeterValuesResponse();
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meterValuesResponse.CustomData = new CustomDataType();
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meterValuesResponse.CustomData.VendorId = VendorId;
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int connectorId = -1;
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string msgMeterValue = string.Empty;
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try
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{
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Logger.LogTrace("Processing meter values...");
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MeterValuesRequest meterValueRequest = DeserializeMessage<MeterValuesRequest>(msgIn);
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Logger.LogTrace("MeterValues => Message deserialized");
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connectorId = meterValueRequest.EvseId;
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if (ChargePointStatus != null)
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{
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// Known charge station => extract meter values with correct scale
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double currentChargeKW = -1;
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double meterKWH = -1;
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DateTimeOffset? meterTime = null;
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double stateOfCharge = -1;
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GetMeterValues(meterValueRequest.MeterValue, out meterKWH, out currentChargeKW, out stateOfCharge, out meterTime);
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// write charging/meter data in chargepoint status
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if (connectorId > 0)
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{
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msgMeterValue = $"Meter (kWh): {meterKWH} | Charge (kW): {currentChargeKW} | SoC (%): {stateOfCharge}";
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if (meterKWH >= 0)
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{
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UpdateConnectorStatus(connectorId, null, null, meterKWH, meterTime);
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}
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if (currentChargeKW >= 0 || meterKWH >= 0 || stateOfCharge >= 0)
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{
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if (ChargePointStatus.OnlineConnectors.ContainsKey(connectorId))
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{
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OnlineConnectorStatus ocs = ChargePointStatus.OnlineConnectors[connectorId];
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if (currentChargeKW >= 0) ocs.ChargeRateKW = currentChargeKW;
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if (meterKWH >= 0) ocs.MeterKWH = meterKWH;
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if (stateOfCharge >= 0) ocs.SoC = stateOfCharge;
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}
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else
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{
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OnlineConnectorStatus ocs = new OnlineConnectorStatus();
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if (currentChargeKW >= 0) ocs.ChargeRateKW = currentChargeKW;
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if (meterKWH >= 0) ocs.MeterKWH = meterKWH;
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if (stateOfCharge >= 0) ocs.SoC = stateOfCharge;
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if (ChargePointStatus.OnlineConnectors.TryAdd(connectorId, ocs))
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{
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Logger.LogTrace("MeterValues => Set OnlineConnectorStatus for ChargePoint={0} / Connector={1} / Values: {2}", ChargePointStatus?.Id, connectorId, msgMeterValue);
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}
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else
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{
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Logger.LogError("MeterValues => Error adding new OnlineConnectorStatus for ChargePoint={0} / Connector={1} / Values: {2}", ChargePointStatus?.Id, connectorId, msgMeterValue);
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}
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}
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}
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}
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}
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else
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{
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// Unknown charge station
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errorCode = ErrorCodes.GenericError;
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}
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msgOut.JsonPayload = JsonConvert.SerializeObject(meterValuesResponse);
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Logger.LogTrace("MeterValues => Response serialized");
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}
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catch (Exception exp)
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{
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Logger.LogError(exp, "MeterValues => Exception: {0}", exp.Message);
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errorCode = ErrorCodes.InternalError;
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}
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WriteMessageLog(ChargePointStatus.Id, connectorId, msgIn.Action, msgMeterValue, errorCode);
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return errorCode;
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}
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}
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}
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