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<h1 class="title">chatserver.cpp Example File</h1>
<span class="subtitle">simplechat/chatserver.cpp</span>
<!-- $$$simplechat/chatserver.cpp-description -->
<div class="descr"> <a name="details"></a>
<pre class="cpp">
<span class="comment">/****************************************************************************
**
** Copyright (C) 2016 Kurt Pattyn <pattyn.kurt@gmail.com>.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtWebSockets 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
** 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."
**
** $QT_END_LICENSE$
**
****************************************************************************/</span>
<span class="preprocessor">#include "chatserver.h"</span>
<span class="preprocessor">#include <QtWebSockets></span>
<span class="preprocessor">#include <QtCore></span>
<span class="preprocessor">#include <cstdio></span>
<span class="keyword">using</span> <span class="keyword">namespace</span> std;
QT_USE_NAMESPACE
<span class="keyword">static</span> <span class="type">QString</span> getIdentifier(<span class="type"><a href="qwebsocket.html">QWebSocket</a></span> <span class="operator">*</span>peer)
{
<span class="keyword">return</span> <span class="type">QStringLiteral</span>(<span class="string">"%1:%2"</span>)<span class="operator">.</span>arg(peer<span class="operator">-</span><span class="operator">></span>peerAddress()<span class="operator">.</span>toString()<span class="operator">,</span>
<span class="type">QString</span><span class="operator">::</span>number(peer<span class="operator">-</span><span class="operator">></span>peerPort()));
}
ChatServer<span class="operator">::</span>ChatServer(<span class="type">quint16</span> port<span class="operator">,</span> <span class="type">QObject</span> <span class="operator">*</span>parent) :
<span class="type">QObject</span>(parent)<span class="operator">,</span>
m_pWebSocketServer(<span class="keyword">new</span> <span class="type"><a href="qwebsocketserver.html">QWebSocketServer</a></span>(<span class="type">QStringLiteral</span>(<span class="string">"Chat Server"</span>)<span class="operator">,</span>
<span class="type"><a href="qwebsocketserver.html">QWebSocketServer</a></span><span class="operator">::</span>NonSecureMode<span class="operator">,</span>
<span class="keyword">this</span>))
{
<span class="keyword">if</span> (m_pWebSocketServer<span class="operator">-</span><span class="operator">></span>listen(<span class="type">QHostAddress</span><span class="operator">::</span>Any<span class="operator">,</span> port))
{
<span class="type">QTextStream</span>(stdout) <span class="operator"><</span><span class="operator"><</span> <span class="string">"Chat Server listening on port "</span> <span class="operator"><</span><span class="operator"><</span> port <span class="operator"><</span><span class="operator"><</span> <span class="char">'\n'</span>;
connect(m_pWebSocketServer<span class="operator">,</span> <span class="operator">&</span><span class="type"><a href="qwebsocketserver.html">QWebSocketServer</a></span><span class="operator">::</span>newConnection<span class="operator">,</span>
<span class="keyword">this</span><span class="operator">,</span> <span class="operator">&</span>ChatServer<span class="operator">::</span>onNewConnection);
}
}
ChatServer<span class="operator">::</span><span class="operator">~</span>ChatServer()
{
m_pWebSocketServer<span class="operator">-</span><span class="operator">></span>close();
}
<span class="type">void</span> ChatServer<span class="operator">::</span>onNewConnection()
{
<span class="keyword">auto</span> pSocket <span class="operator">=</span> m_pWebSocketServer<span class="operator">-</span><span class="operator">></span>nextPendingConnection();
<span class="type">QTextStream</span>(stdout) <span class="operator"><</span><span class="operator"><</span> getIdentifier(pSocket) <span class="operator"><</span><span class="operator"><</span> <span class="string">" connected!\n"</span>;
pSocket<span class="operator">-</span><span class="operator">></span>setParent(<span class="keyword">this</span>);
connect(pSocket<span class="operator">,</span> <span class="operator">&</span><span class="type"><a href="qwebsocket.html">QWebSocket</a></span><span class="operator">::</span>textMessageReceived<span class="operator">,</span>
<span class="keyword">this</span><span class="operator">,</span> <span class="operator">&</span>ChatServer<span class="operator">::</span>processMessage);
connect(pSocket<span class="operator">,</span> <span class="operator">&</span><span class="type"><a href="qwebsocket.html">QWebSocket</a></span><span class="operator">::</span>disconnected<span class="operator">,</span>
<span class="keyword">this</span><span class="operator">,</span> <span class="operator">&</span>ChatServer<span class="operator">::</span>socketDisconnected);
m_clients <span class="operator"><</span><span class="operator"><</span> pSocket;
}
<span class="type">void</span> ChatServer<span class="operator">::</span>processMessage(<span class="keyword">const</span> <span class="type">QString</span> <span class="operator">&</span>message)
{
<span class="type"><a href="qwebsocket.html">QWebSocket</a></span> <span class="operator">*</span>pSender <span class="operator">=</span> qobject_cast<span class="operator"><</span><span class="type"><a href="qwebsocket.html">QWebSocket</a></span> <span class="operator">*</span><span class="operator">></span>(sender());
<span class="keyword">for</span> (<span class="type"><a href="qwebsocket.html">QWebSocket</a></span> <span class="operator">*</span>pClient : qAsConst(m_clients)) {
<span class="keyword">if</span> (pClient <span class="operator">!</span><span class="operator">=</span> pSender) <span class="comment">//don't echo message back to sender</span>
pClient<span class="operator">-</span><span class="operator">></span>sendTextMessage(message);
}
}
<span class="type">void</span> ChatServer<span class="operator">::</span>socketDisconnected()
{
<span class="type"><a href="qwebsocket.html">QWebSocket</a></span> <span class="operator">*</span>pClient <span class="operator">=</span> qobject_cast<span class="operator"><</span><span class="type"><a href="qwebsocket.html">QWebSocket</a></span> <span class="operator">*</span><span class="operator">></span>(sender());
<span class="type">QTextStream</span>(stdout) <span class="operator"><</span><span class="operator"><</span> getIdentifier(pClient) <span class="operator"><</span><span class="operator"><</span> <span class="string">" disconnected!\n"</span>;
<span class="keyword">if</span> (pClient)
{
m_clients<span class="operator">.</span>removeAll(pClient);
pClient<span class="operator">-</span><span class="operator">></span>deleteLater();
}
}
</pre>
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<!-- @@@simplechat/chatserver.cpp -->
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