210d2652
 Steven de Ridder
Initial commit.
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/* ****************************************************************************
* Copyright 2019 Open Systems Development BV *
* *
* Permission is hereby granted, free of charge, to any person obtaining a *
* copy of this software and associated documentation files (the "Software"), *
* to deal in the Software without restriction, including without limitation *
* the rights to use, copy, modify, merge, publish, distribute, sublicense, *
* and/or sell copies of the Software, and to permit persons to whom the *
* Software is furnished to do so, subject to the following conditions: *
* *
* The above copyright notice and this permission notice shall be included in *
* all copies or substantial portions of the Software. *
* *
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR *
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, *
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL *
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER *
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING *
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER *
* DEALINGS IN THE SOFTWARE. *
* ***************************************************************************/
#include "qmqtt.h"
#include "log.h"
using namespace osdev::components;
QMQTTClient::QMQTTClient( const QMqttConfigSettings& connectionSettings, QObject *parent )
: QObject(parent)
, m_qhConnections()
, m_connConfig( connectionSettings )
{
}
QMQTTClient::~QMQTTClient()
{
// Clean up any connections we have.
for( auto key : m_qhConnections.keys())
{
QPointer<QMqttPubSubClient> pTemp = m_qhConnections.take( key );
if(pTemp)
{
delete pTemp.data();
}
}
}
void QMQTTClient::subscribe( const QString& mqtt_topic )
{
if(!topicExists( mqtt_topic ) )
{
if( !createNewThread( mqtt_topic ) )
{
LogError("[QMQTTClient::subscribe]", QString("There was an error creating a subscription to : %1").arg(mqtt_topic));
}
}
if( topicExists( mqtt_topic ) )
{
m_qhConnections.value( mqtt_topic )->subscribe( mqtt_topic );
}
}
void QMQTTClient::unsubscribe(const QString& mqtt_topic)
{
if( topicExists( mqtt_topic ) )
{
m_qhConnections.value( mqtt_topic )->unsubscribe( mqtt_topic );
}
}
void QMQTTClient::publish(const QString& mqtt_topic, const QString& mqtt_message)
{
if( !topicExists( mqtt_topic ) )
{
if( !createNewThread( mqtt_topic ) )
{
LogError("[QMQTTClient::publish]", QString("There was an error creating publishing to : %1").arg( mqtt_topic ) );
}
}
if(topicExists(mqtt_topic))
{
m_qhConnections.value(mqtt_topic)->publish(mqtt_topic, mqtt_message);
}
}
bool QMQTTClient::createNewThread(const QString& topic)
{
QPointer<QMqttPubSubClient> pThread = new QMqttPubSubClient(m_connConfig.getHostAddress(), m_connConfig.getPortNumber() );
if(pThread)
{
connect( pThread.data(), &QMqttPubSubClient::signalMessageReceived, this, &QMQTTClient::signalNewMessageReceived );
connect( pThread.data(), &QMqttPubSubClient::signalReInitialise, this, &QMQTTClient::signalReInitialize );
m_qhConnections.insert( topic, pThread );
}
return m_qhConnections.contains( topic );
}
bool QMQTTClient::topicExists( const QString& topic )
{
if( m_qhConnections.contains( topic ) )
return true;
else
return false;
}
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