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<h1 class="title">echoclient.cpp Example File</h1>
<span class="subtitle">echoclient/echoclient.cpp</span>
<!-- $$$echoclient/echoclient.cpp-description -->
<div class="descr"> <a name="details"></a>
<pre class="cpp"><span class="comment">/****************************************************************************
**
** Copyright (C) 2014 Kurt Pattyn <pattyn.kurt@gmail.com>.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the QtWebSockets module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** 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 http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** As a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** $QT_END_LICENSE$
**
****************************************************************************/</span>
<span class="preprocessor">#include "echoclient.h"</span>
<span class="preprocessor">#include <QtCore/QDebug></span>
QT_USE_NAMESPACE
EchoClient<span class="operator">::</span>EchoClient(<span class="keyword">const</span> <span class="type"><a href="../qtcore/qurl.html">QUrl</a></span> <span class="operator">&</span>url<span class="operator">,</span> bool debug<span class="operator">,</span> <span class="type"><a href="../qtcore/qobject.html">QObject</a></span> <span class="operator">*</span>parent) :
<span class="type"><a href="../qtcore/qobject.html">QObject</a></span>(parent)<span class="operator">,</span>
m_url(url)<span class="operator">,</span>
m_debug(debug)
{
<span class="keyword">if</span> (m_debug)
<a href="../qtcore/qtglobal.html#qDebug">qDebug</a>() <span class="operator"><</span><span class="operator"><</span> <span class="string">"WebSocket server:"</span> <span class="operator"><</span><span class="operator"><</span> url;
connect(<span class="operator">&</span>m_webSocket<span class="operator">,</span> <span class="operator">&</span><span class="type"><a href="qwebsocket.html">QWebSocket</a></span><span class="operator">::</span>connected<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> <span class="operator">&</span>EchoClient<span class="operator">::</span>onConnected);
connect(<span class="operator">&</span>m_webSocket<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>EchoClient<span class="operator">::</span>closed);
m_webSocket<span class="operator">.</span>open(<span class="type"><a href="../qtcore/qurl.html">QUrl</a></span>(url));
}
<span class="type">void</span> EchoClient<span class="operator">::</span>onConnected()
{
<span class="keyword">if</span> (m_debug)
<a href="../qtcore/qtglobal.html#qDebug">qDebug</a>() <span class="operator"><</span><span class="operator"><</span> <span class="string">"WebSocket connected"</span>;
connect(<span class="operator">&</span>m_webSocket<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>EchoClient<span class="operator">::</span>onTextMessageReceived);
m_webSocket<span class="operator">.</span>sendTextMessage(<span class="type"><a href="../qtcore/qstring.html#QStringLiteral">QStringLiteral</a></span>(<span class="string">"Hello, world!"</span>));
}
<span class="type">void</span> EchoClient<span class="operator">::</span>onTextMessageReceived(<span class="type"><a href="../qtcore/qstring.html">QString</a></span> message)
{
<span class="keyword">if</span> (m_debug)
<a href="../qtcore/qtglobal.html#qDebug">qDebug</a>() <span class="operator"><</span><span class="operator"><</span> <span class="string">"Message received:"</span> <span class="operator"><</span><span class="operator"><</span> message;
m_webSocket<span class="operator">.</span>close();
}</pre>
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