diff options
author | Maurice Kalinowski <maurice.kalinowski@qt.io> | 2017-09-20 09:37:05 +0200 |
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committer | Maurice Kalinowski <maurice.kalinowski@qt.io> | 2017-09-27 06:35:27 +0000 |
commit | bb226a8dc9b6508c8d72c67b5260b9a733f7fca1 (patch) | |
tree | af4a24547bea34da58a66316ba09ff9ef887396c /tradeshow/iot-sensortag/mqttupdate.h | |
parent | cf2ec248f2c8d6fabc539f2acef4df5d3c0e8b6c (diff) |
iot-sensortag: Add support for MQTT
Using MQTT a sensor can send its data to a broker as well as display
data from a remote MQTT broker.
Change-Id: I01f961e89b2c6d028498ce61e4087a47742b8b82
Reviewed-by: Maurice Kalinowski <maurice.kalinowski@qt.io>
Diffstat (limited to 'tradeshow/iot-sensortag/mqttupdate.h')
-rw-r--r-- | tradeshow/iot-sensortag/mqttupdate.h | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/tradeshow/iot-sensortag/mqttupdate.h b/tradeshow/iot-sensortag/mqttupdate.h new file mode 100644 index 0000000..2c2d424 --- /dev/null +++ b/tradeshow/iot-sensortag/mqttupdate.h @@ -0,0 +1,121 @@ +/**************************************************************************** +** +** Copyright (C) 2017 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ +** +** This file is part of the examples of Qt for Device Creation. +** +** $QT_BEGIN_LICENSE:BSD$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see https://www.qt.io/terms-conditions. For further +** information use the contact form at https://www.qt.io/contact-us. +** +** BSD License Usage +** Alternatively, you may use this file under the terms of the BSD license +** as follows: +** +** "Redistribution and use in source and binary forms, with or without +** modification, are permitted provided that the following conditions are +** met: +** * Redistributions of source code must retain the above copyright +** notice, this list of conditions and the following disclaimer. +** * Redistributions in binary form must reproduce the above copyright +** notice, this list of conditions and the following disclaimer in +** the documentation and/or other materials provided with the +** distribution. +** * Neither the name of The Qt Company Ltd nor the names of its +** contributors may be used to endorse or promote products derived +** from this software without specific prior written permission. +** +** +** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." +** +** $QT_END_LICENSE$ +** +****************************************************************************/ +#ifndef MQTTUPDATE_H +#define MQTTUPDATE_H + +#include <QObject> +#include <QTimer> + +class DataProviderPool; +class SensorTagDataProvider; +class QMqttClient; + +//#define MQTT_TIMER_BASED_PUBLISH 1 + +class MqttEventHandler : public QObject +{ + Q_OBJECT +public: + explicit MqttEventHandler(const QString &name, QObject *parent = 0); + ~MqttEventHandler(); + DataProviderPool *m_providerPool; +public slots: + void uploadGyro(); + void uploadTemperature(); + void uploadHumidity(); + void uploadLight(); + void uploadAltitude(); + void uploadBarometer(); + void uploadAccelerometer(); + void uploadMagnetometer(); + void uploadRotation(); + + void clientConnected(); + void sendAlive(); + +private: + QString m_deviceName; + QString m_topicPrefix; + QMqttClient *m_client; + QTimer m_pingTimer; +}; + +class MqttUpdate : public QObject +{ + Q_OBJECT +public: + explicit MqttUpdate(QObject *parent = 0); + + void setDataProviderPool(DataProviderPool *provider); + + int updateInterval() const; + void setUpdateInterval(int interval); + void restart(); + void stop(); + +#ifdef MQTT_TIMER_BASED_PUBLISH +protected: + void timerEvent(QTimerEvent* event); + virtual void writeToCloud(); +#else +#endif + +protected: + DataProviderPool *m_providerPool; +private: + QThread *m_handlerThread; + MqttEventHandler *m_handler; + int m_updateInterval; +#ifdef MQTT_TIMER_BASED_PUBLISH + int m_timerId; +#endif +}; + +#endif // MQTTUPDATE_H |