Initial MQTT bell app based on systray

2020-10-26 20:25:50 +01:00
commit 2debcf4c7d
27 changed files with 1926 additions and 0 deletions
--- a/publisher.cpp
+++ b/publisher.cpp
@@ -0,0 +1,165 @@
+Skip to content
+Why GitHub?
+Team
+Enterprise
+Explore
+Marketplace
+Pricing
+Search
+
+Sign in
+Sign up
+emqx
+/
+qmqtt
+60388208
+Code
+Issues
+4
+Pull requests
+Actions
+Projects
+Security
+Insights
+Join GitHub today
+GitHub is home to over 50 million developers working together to host and review code, manage projects, and build software together.
+
+qmqtt/examples/qmqtt/client/example.cpp
+@KonstantinRitt
+KonstantinRitt Rename module to qmqtt
+…
+Latest commit ada0692 on Aug 21, 2018
+ History
+ 1 contributor
+132 lines (119 sloc)  4.14 KB
+
+/*
+ * example.cpp - qmqtt example
+ *
+ * Copyright (c) 2013  Ery Lee <ery.lee at gmail dot com>
+ * All rights reserved.
+ *
+ * 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 mqttc 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.
+ *
+ */
+#include <qmqtt.h>
+#include <QCoreApplication>
+#include <QTimer>
+
+const QHostAddress EXAMPLE_HOST = QHostAddress("172.16.1.254");
+const quint16 EXAMPLE_PORT = 1883;
+const QString EXAMPLE_TOPIC = "home/bell/ring";
+
+class Publisher : public QMQTT::Client
+{
+    Q_OBJECT
+public:
+    explicit Publisher(const QHostAddress& host = EXAMPLE_HOST,
+                       const quint16 port = EXAMPLE_PORT,
+                       QObject* parent = NULL)
+        : QMQTT::Client(host, port, parent)
+        , _number(0)
+    {
+        connect(this, &Publisher::connected, this, &Publisher::onConnected);
+        connect(&_timer, &QTimer::timeout, this, &Publisher::onTimeout);
+        connect(this, &Publisher::disconnected, this, &Publisher::onDisconnected);
+    }
+    virtual ~Publisher() {}
+
+    QTimer _timer;
+    quint16 _number;
+
+public slots:
+    void onConnected()
+    {
+        subscribe(EXAMPLE_TOPIC, 0);
+        _timer.start(1000);
+    }
+
+    void onTimeout()
+    {
+        QMQTT::Message message(_number, EXAMPLE_TOPIC,
+                               QString("Number is %1").arg(_number).toUtf8());
+        publish(message);
+        _number++;
+        if(_number >= 10)
+        {
+            _timer.stop();
+            disconnectFromHost();
+        }
+    }
+
+    void onDisconnected()
+    {
+        QTimer::singleShot(0, qApp, &QCoreApplication::quit);
+    }
+};
+
+class Subscriber : public QMQTT::Client
+{
+    Q_OBJECT
+public:
+    explicit Subscriber(const QHostAddress& host = EXAMPLE_HOST,
+                        const quint16 port = EXAMPLE_PORT,
+                        QObject* parent = NULL)
+        : QMQTT::Client(host, port, parent)
+        , _qout(stdout)
+    {
+        connect(this, &Subscriber::connected, this, &Subscriber::onConnected);
+        connect(this, &Subscriber::subscribed, this, &Subscriber::onSubscribed);
+        connect(this, &Subscriber::received, this, &Subscriber::onReceived);
+    }
+    virtual ~Subscriber() {}
+
+    QTextStream _qout;
+
+public slots:
+    void onConnected()
+    {
+        _qout << "connected" << endl;
+        subscribe(EXAMPLE_TOPIC, 0);
+    }
+
+    void onSubscribed(const QString& topic)
+    {
+        _qout << "subscribed " << topic << endl;
+    }
+
+    void onReceived(const QMQTT::Message& message)
+    {
+        _qout << "publish received: \"" << QString::fromUtf8(message.payload())
+              << "\"" << endl;
+    }
+};
+
+int main(int argc, char** argv)
+{
+    QCoreApplication app(argc, argv);
+    Subscriber subscriber;
+    subscriber.connectToHost();
+    Publisher publisher;
+    publisher.connectToHost();
+    return app.exec();
+}