powersync-plugins/everest/mqtt/everestmqtt.h

96 lines
2.6 KiB
C++

// SPDX-License-Identifier: GPL-3.0-or-later
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
*
* Copyright (C) 2013 - 2024, nymea GmbH
* Copyright (C) 2024 - 2025, chargebyte austria GmbH
*
* This file is part of nymea-plugins.
*
* nymea-plugins is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* nymea-plugins is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with nymea-plugins. If not, see <https://www.gnu.org/licenses/>.
*
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
#ifndef EVERESTMQTT_H
#define EVERESTMQTT_H
#include <QTimer>
#include <QObject>
#include <mqttclient.h>
#include <integrations/thing.h>
class EverestMqtt : public QObject
{
Q_OBJECT
public:
enum State {
StateUnplugged,
StateDisabled,
StatePreparing,
StateReserved,
StateAuthRequired,
StateWaitingForEnergy,
StateCharging,
StateChargingPausedEV,
StateChargingPausedEVSE,
StateFinished,
StateUnknown
};
Q_ENUM(State)
explicit EverestMqtt(MqttClient *client, Thing *thing, QObject *parent = nullptr);
~EverestMqtt();
Thing *thing() const;
QString connector() const;
void initialize();
void deinitialize();
void enableCharging(bool enable);
// Use only without phase switching
void setMaxChargingCurrent(double current);
// Use also for setting the charging current if phase switching is available
void setMaxChargingCurrentAndPhaseCount(uint phasesCount, double current);
private slots:
void onConnected();
void onDisconnected();
void onSubscribed(const QString &topic, Mqtt::SubscribeReturnCode subscribeReturnCode);
void onPublishReceived(const QString &topic, const QByteArray &payload, bool retained);
private:
MqttClient *m_client = nullptr;
Thing *m_thing = nullptr;
QTimer m_aliveTimer;
QString m_connector;
QString m_topicPrefix;
QStringList m_subscribedTopics;
bool m_initialized = false;
// Prepends everest_api/<connector>/ to the given topic
QString buildTopic(const QString &topic);
State convertStringToState(const QString &stateString);
};
#endif // EVERESTMQTT_H