qmqtt.h 3 KB
/* ****************************************************************************
 * Copyright 2019 Open Systems Development BV                                 *
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 * Software is furnished to do so, subject to the following conditions:       *
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 * The above copyright notice and this permission notice shall be included in *
 * all copies or substantial portions of the Software.                        *
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 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR *
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,   *
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#ifndef OSDEV_COMPONENTS_QMQTT_H
#define OSDEV_COMPONENTS_QMQTT_H

#include <QObject>
#include <QString>
#include <QHash>
#include <QPointer>

#include "qmqtt_pubsubclient.h"
#include "qmqtt_configsettings.h"

namespace osdev {
namespace components {

class QMQTTClient : public QObject
{
    Q_OBJECT

public:
    QMQTTClient( const QMqttConfigSettings& connectionSettings = QMqttConfigSettings(), QObject *parent = nullptr );
    virtual ~QMQTTClient();

    void    subscribe( const QString& mqtt_topic );
    void    unsubscribe( const QString& mqtt_topic );
    void    publish( const QString& mqtt_topic, const QString& mqtt_message );

    int     getNumberOfConnections(){ return m_qhConnections.count(); }

signals:
    void    signalNewMessageReceived( const QString& mqtt_topic, const QString& mqtt_message );
    void    signalReInitialize();

private:
    bool    topicExists( const QString& topic );
    bool    createNewThread( const QString& topic );

private:    // Members (Giggity!)
    QHash<QString, QPointer<QMqttPubSubClient>> m_qhConnections;    ///< The container that keeps track of all connections by their topics.
    QMqttConfigSettings                         m_connConfig;       ///< All kinds of connection parameters in a convenient object.

};

}       /* End namespace components */
}       /* End namespace osdev  */

#endif  /* OSDEV_COMPONENTS_QMQTT_H */