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<h1 class="title">chatserver.cpp Example File</h1>
<span class="subtitle">btchat/chatserver.cpp</span>
<!-- $$$btchat/chatserver.cpp-description -->
<div class="descr"> <a name="details"></a>
<pre class="cpp">
<span class="comment">/****************************************************************************
**
** Copyright (C) 2017 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtBluetooth module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** 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
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** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
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** $QT_END_LICENSE$
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****************************************************************************/</span>
<span class="preprocessor">#include "chatserver.h"</span>
<span class="preprocessor">#include <QtBluetooth/qbluetoothserver.h></span>
<span class="preprocessor">#include <QtBluetooth/qbluetoothsocket.h></span>
<span class="keyword">static</span> <span class="keyword">const</span> QLatin1String serviceUuid(<span class="string">"e8e10f95-1a70-4b27-9ccf-02010264e9c8"</span>);
ChatServer<span class="operator">::</span>ChatServer(<span class="type">QObject</span> <span class="operator">*</span>parent)
: <span class="type">QObject</span>(parent)
{
}
ChatServer<span class="operator">::</span><span class="operator">~</span>ChatServer()
{
stopServer();
}
<span class="type">void</span> ChatServer<span class="operator">::</span>startServer(<span class="keyword">const</span> <span class="type"><a href="qbluetoothaddress.html">QBluetoothAddress</a></span><span class="operator">&</span> localAdapter)
{
<span class="keyword">if</span> (rfcommServer)
<span class="keyword">return</span>;
rfcommServer <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qbluetoothserver.html">QBluetoothServer</a></span>(<span class="type"><a href="qbluetoothserviceinfo.html">QBluetoothServiceInfo</a></span><span class="operator">::</span>RfcommProtocol<span class="operator">,</span> <span class="keyword">this</span>);
connect(rfcommServer<span class="operator">,</span> <span class="operator">&</span><span class="type"><a href="qbluetoothserver.html">QBluetoothServer</a></span><span class="operator">::</span>newConnection<span class="operator">,</span>
<span class="keyword">this</span><span class="operator">,</span> <span class="type">QOverload</span><span class="operator"><</span><span class="operator">></span><span class="operator">::</span>of(<span class="operator">&</span>ChatServer<span class="operator">::</span>clientConnected));
bool result <span class="operator">=</span> rfcommServer<span class="operator">-</span><span class="operator">></span>listen(localAdapter);
<span class="keyword">if</span> (<span class="operator">!</span>result) {
qWarning() <span class="operator"><</span><span class="operator"><</span> <span class="string">"Cannot bind chat server to"</span> <span class="operator"><</span><span class="operator"><</span> localAdapter<span class="operator">.</span>toString();
<span class="keyword">return</span>;
}
<span class="comment">//serviceInfo.setAttribute(QBluetoothServiceInfo::ServiceRecordHandle, (uint)0x00010010);</span>
<span class="type"><a href="qbluetoothserviceinfo.html">QBluetoothServiceInfo</a></span><span class="operator">::</span>Sequence profileSequence;
<span class="type"><a href="qbluetoothserviceinfo.html">QBluetoothServiceInfo</a></span><span class="operator">::</span>Sequence classId;
classId <span class="operator"><</span><span class="operator"><</span> <span class="type">QVariant</span><span class="operator">::</span>fromValue(<span class="type"><a href="qbluetoothuuid.html">QBluetoothUuid</a></span>(<span class="type"><a href="qbluetoothuuid.html">QBluetoothUuid</a></span><span class="operator">::</span>SerialPort));
classId <span class="operator"><</span><span class="operator"><</span> <span class="type">QVariant</span><span class="operator">::</span>fromValue(<span class="type">quint16</span>(<span class="number">0x100</span>));
profileSequence<span class="operator">.</span>append(<span class="type">QVariant</span><span class="operator">::</span>fromValue(classId));
serviceInfo<span class="operator">.</span>setAttribute(<span class="type"><a href="qbluetoothserviceinfo.html">QBluetoothServiceInfo</a></span><span class="operator">::</span>BluetoothProfileDescriptorList<span class="operator">,</span>
profileSequence);
classId<span class="operator">.</span>clear();
classId <span class="operator"><</span><span class="operator"><</span> <span class="type">QVariant</span><span class="operator">::</span>fromValue(<span class="type"><a href="qbluetoothuuid.html">QBluetoothUuid</a></span>(serviceUuid));
classId <span class="operator"><</span><span class="operator"><</span> <span class="type">QVariant</span><span class="operator">::</span>fromValue(<span class="type"><a href="qbluetoothuuid.html">QBluetoothUuid</a></span>(<span class="type"><a href="qbluetoothuuid.html">QBluetoothUuid</a></span><span class="operator">::</span>SerialPort));
serviceInfo<span class="operator">.</span>setAttribute(<span class="type"><a href="qbluetoothserviceinfo.html">QBluetoothServiceInfo</a></span><span class="operator">::</span>ServiceClassIds<span class="operator">,</span> classId);
serviceInfo<span class="operator">.</span>setAttribute(<span class="type"><a href="qbluetoothserviceinfo.html">QBluetoothServiceInfo</a></span><span class="operator">::</span>ServiceName<span class="operator">,</span> tr(<span class="string">"Bt Chat Server"</span>));
serviceInfo<span class="operator">.</span>setAttribute(<span class="type"><a href="qbluetoothserviceinfo.html">QBluetoothServiceInfo</a></span><span class="operator">::</span>ServiceDescription<span class="operator">,</span>
tr(<span class="string">"Example bluetooth chat server"</span>));
serviceInfo<span class="operator">.</span>setAttribute(<span class="type"><a href="qbluetoothserviceinfo.html">QBluetoothServiceInfo</a></span><span class="operator">::</span>ServiceProvider<span class="operator">,</span> tr(<span class="string">"qt-project.org"</span>));
serviceInfo<span class="operator">.</span>setServiceUuid(<span class="type"><a href="qbluetoothuuid.html">QBluetoothUuid</a></span>(serviceUuid));
<span class="type"><a href="qbluetoothserviceinfo.html">QBluetoothServiceInfo</a></span><span class="operator">::</span>Sequence publicBrowse;
publicBrowse <span class="operator"><</span><span class="operator"><</span> <span class="type">QVariant</span><span class="operator">::</span>fromValue(<span class="type"><a href="qbluetoothuuid.html">QBluetoothUuid</a></span>(<span class="type"><a href="qbluetoothuuid.html">QBluetoothUuid</a></span><span class="operator">::</span>PublicBrowseGroup));
serviceInfo<span class="operator">.</span>setAttribute(<span class="type"><a href="qbluetoothserviceinfo.html">QBluetoothServiceInfo</a></span><span class="operator">::</span>BrowseGroupList<span class="operator">,</span>
publicBrowse);
<span class="type"><a href="qbluetoothserviceinfo.html">QBluetoothServiceInfo</a></span><span class="operator">::</span>Sequence protocolDescriptorList;
<span class="type"><a href="qbluetoothserviceinfo.html">QBluetoothServiceInfo</a></span><span class="operator">::</span>Sequence protocol;
protocol <span class="operator"><</span><span class="operator"><</span> <span class="type">QVariant</span><span class="operator">::</span>fromValue(<span class="type"><a href="qbluetoothuuid.html">QBluetoothUuid</a></span>(<span class="type"><a href="qbluetoothuuid.html">QBluetoothUuid</a></span><span class="operator">::</span>L2cap));
protocolDescriptorList<span class="operator">.</span>append(<span class="type">QVariant</span><span class="operator">::</span>fromValue(protocol));
protocol<span class="operator">.</span>clear();
protocol <span class="operator"><</span><span class="operator"><</span> <span class="type">QVariant</span><span class="operator">::</span>fromValue(<span class="type"><a href="qbluetoothuuid.html">QBluetoothUuid</a></span>(<span class="type"><a href="qbluetoothuuid.html">QBluetoothUuid</a></span><span class="operator">::</span>Rfcomm))
<span class="operator"><</span><span class="operator"><</span> <span class="type">QVariant</span><span class="operator">::</span>fromValue(<span class="type">quint8</span>(rfcommServer<span class="operator">-</span><span class="operator">></span>serverPort()));
protocolDescriptorList<span class="operator">.</span>append(<span class="type">QVariant</span><span class="operator">::</span>fromValue(protocol));
serviceInfo<span class="operator">.</span>setAttribute(<span class="type"><a href="qbluetoothserviceinfo.html">QBluetoothServiceInfo</a></span><span class="operator">::</span>ProtocolDescriptorList<span class="operator">,</span>
protocolDescriptorList);
serviceInfo<span class="operator">.</span>registerService(localAdapter);
}
<span class="type">void</span> ChatServer<span class="operator">::</span>stopServer()
{
<span class="comment">// Unregister service</span>
serviceInfo<span class="operator">.</span>unregisterService();
<span class="comment">// Close sockets</span>
qDeleteAll(clientSockets);
<span class="comment">// Close server</span>
<span class="keyword">delete</span> rfcommServer;
rfcommServer <span class="operator">=</span> nullptr;
}
<span class="type">void</span> ChatServer<span class="operator">::</span>sendMessage(<span class="keyword">const</span> <span class="type">QString</span> <span class="operator">&</span>message)
{
<span class="type">QByteArray</span> text <span class="operator">=</span> message<span class="operator">.</span>toUtf8() <span class="operator">+</span> <span class="char">'\n'</span>;
<span class="keyword">for</span> (<span class="type"><a href="qbluetoothsocket.html">QBluetoothSocket</a></span> <span class="operator">*</span>socket : qAsConst(clientSockets))
socket<span class="operator">-</span><span class="operator">></span>write(text);
}
<span class="type">void</span> ChatServer<span class="operator">::</span>clientConnected()
{
<span class="type"><a href="qbluetoothsocket.html">QBluetoothSocket</a></span> <span class="operator">*</span>socket <span class="operator">=</span> rfcommServer<span class="operator">-</span><span class="operator">></span>nextPendingConnection();
<span class="keyword">if</span> (<span class="operator">!</span>socket)
<span class="keyword">return</span>;
connect(socket<span class="operator">,</span> <span class="operator">&</span><span class="type"><a href="qbluetoothsocket.html">QBluetoothSocket</a></span><span class="operator">::</span>readyRead<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> <span class="operator">&</span>ChatServer<span class="operator">::</span>readSocket);
connect(socket<span class="operator">,</span> <span class="operator">&</span><span class="type"><a href="qbluetoothsocket.html">QBluetoothSocket</a></span><span class="operator">::</span>disconnected<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> <span class="type">QOverload</span><span class="operator"><</span><span class="operator">></span><span class="operator">::</span>of(<span class="operator">&</span>ChatServer<span class="operator">::</span>clientDisconnected));
clientSockets<span class="operator">.</span>append(socket);
<span class="keyword">emit</span> clientConnected(socket<span class="operator">-</span><span class="operator">></span>peerName());
}
<span class="type">void</span> ChatServer<span class="operator">::</span>clientDisconnected()
{
<span class="type"><a href="qbluetoothsocket.html">QBluetoothSocket</a></span> <span class="operator">*</span>socket <span class="operator">=</span> qobject_cast<span class="operator"><</span><span class="type"><a href="qbluetoothsocket.html">QBluetoothSocket</a></span> <span class="operator">*</span><span class="operator">></span>(sender());
<span class="keyword">if</span> (<span class="operator">!</span>socket)
<span class="keyword">return</span>;
<span class="keyword">emit</span> clientDisconnected(socket<span class="operator">-</span><span class="operator">></span>peerName());
clientSockets<span class="operator">.</span>removeOne(socket);
socket<span class="operator">-</span><span class="operator">></span>deleteLater();
}
<span class="type">void</span> ChatServer<span class="operator">::</span>readSocket()
{
<span class="type"><a href="qbluetoothsocket.html">QBluetoothSocket</a></span> <span class="operator">*</span>socket <span class="operator">=</span> qobject_cast<span class="operator"><</span><span class="type"><a href="qbluetoothsocket.html">QBluetoothSocket</a></span> <span class="operator">*</span><span class="operator">></span>(sender());
<span class="keyword">if</span> (<span class="operator">!</span>socket)
<span class="keyword">return</span>;
<span class="keyword">while</span> (socket<span class="operator">-</span><span class="operator">></span>canReadLine()) {
<span class="type">QByteArray</span> line <span class="operator">=</span> socket<span class="operator">-</span><span class="operator">></span>readLine()<span class="operator">.</span>trimmed();
<span class="keyword">emit</span> messageReceived(socket<span class="operator">-</span><span class="operator">></span>peerName()<span class="operator">,</span>
<span class="type">QString</span><span class="operator">::</span>fromUtf8(line<span class="operator">.</span>constData()<span class="operator">,</span> line<span class="operator">.</span>length()));
}
}
</pre>
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<!-- @@@btchat/chatserver.cpp -->
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