93 lines
3.2 KiB
C++
93 lines
3.2 KiB
C++
// SPDX-License-Identifier: GPL-3.0-or-later
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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
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*
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* Copyright (C) 2013 - 2024, nymea GmbH
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* Copyright (C) 2024 - 2025, chargebyte austria GmbH
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*
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* This file is part of nymea-plugins.
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*
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* nymea-plugins 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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* nymea-plugins 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 GNU
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* 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 nymea-plugins. If not, see <https://www.gnu.org/licenses/>.
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*
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* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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#ifndef FRONIUSSOLARCONNECTION_H
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#define FRONIUSSOLARCONNECTION_H
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#include <QObject>
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#include <QQueue>
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#include <QHostAddress>
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#include <QNetworkAccessManager>
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#include <network/networkaccessmanager.h>
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#include "froniusnetworkreply.h"
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class FroniusSolarConnection : public QObject
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{
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Q_OBJECT
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public:
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explicit FroniusSolarConnection(NetworkAccessManager *networkManager, const QHostAddress &address, QObject *parent = nullptr);
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QHostAddress address() const;
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void setAddress(const QHostAddress &address);
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bool available() const;
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bool busy() const;
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FroniusNetworkReply *getVersion();
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FroniusNetworkReply *getActiveDevices();
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FroniusNetworkReply *getPowerFlowRealtimeData();
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FroniusNetworkReply *getInverterRealtimeData(int inverterId);
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FroniusNetworkReply *getMeterRealtimeData(int meterId);
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FroniusNetworkReply *getStorageRealtimeData(int meterId);
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signals:
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void availableChanged(bool available);
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private:
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NetworkAccessManager *m_networkManager = nullptr;
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QHostAddress m_address;
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bool m_available = false;
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// Fallback solution for dead nam requests, this happens on some platforms
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// Note: we enable for now the custom network access manager
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// Some fronius inverters keep the connection alive and get stuck somehow.
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// In order to workaround this issue, we have to recreate the nam after each request.
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// Stuff like disableing pipelining, queueing requests did not fix the issue, only
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// destroying and re-creating the nam helped here. Current guess: the persistant TCP connection
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// keeps some resources blocked. The issue is actually on the fronius webserver side, and just on some
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// rare hardware so far.
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QNetworkAccessManager *m_customNetworkManager = nullptr;
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bool m_useCustomNetworkManager = true; // Force for now
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uint m_errorOperationCanceledCount = 0;
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uint m_errorOperationCanceledCountLimit = 3;
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uint m_errorCount = 0;
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uint m_errorCountLimit = 5;
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// Request queue to prevent overloading the device with requests
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FroniusNetworkReply *m_currentReply = nullptr;
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QQueue<FroniusNetworkReply *> m_requestQueue;
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QNetworkRequest buildRequest(const QUrl &url);
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void sendNextRequest();
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};
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#endif // FRONIUSSOLARCONNECTION_H
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