318 lines
18 KiB
HTML
318 lines
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<h1 class="title">server.cpp Example File</h1>
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<span class="small-subtitle">ipc/localfortuneserver/server.cpp</span>
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<!-- $$$ipc/localfortuneserver/server.cpp-description -->
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<div class="descr"> <a name="details"></a>
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<pre class="cpp"> <span class="comment">/****************************************************************************
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**
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** Copyright (C) 2015 The Qt Company Ltd.
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** Contact: http://www.qt.io/licensing/
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**
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** This file is part of the examples of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:BSD$
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** You may use this file under the terms of the BSD license as follows:
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**
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** "Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions are
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** met:
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** * Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** * Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in
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** the documentation and/or other materials provided with the
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** distribution.
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** * Neither the name of The Qt Company Ltd nor the names of its
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** contributors may be used to endorse or promote products derived
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** from this software without specific prior written permission.
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**
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**
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** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/</span>
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<span class="preprocessor">#include <QtGui></span>
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<span class="preprocessor">#include <QtNetwork></span>
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<span class="preprocessor">#include <stdlib.h></span>
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<span class="preprocessor">#include "server.h"</span>
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<span class="preprocessor">#include <qlocalserver.h></span>
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<span class="preprocessor">#include <qlocalsocket.h></span>
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Server<span class="operator">::</span>Server(<span class="type"><a href="qwidget.html">QWidget</a></span> <span class="operator">*</span>parent)
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<span class="preprocessor">#ifdef Q_WS_MAEMO_5</span>
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: <span class="type"><a href="qwidget.html">QWidget</a></span>(parent)
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<span class="preprocessor">#else</span>
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: <span class="type"><a href="qdialog.html">QDialog</a></span>(parent)
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<span class="preprocessor">#endif</span>
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{
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statusLabel <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qlabel.html">QLabel</a></span>;
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statusLabel<span class="operator">-</span><span class="operator">></span>setWordWrap(<span class="keyword">true</span>);
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quitButton <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qpushbutton.html">QPushButton</a></span>(tr(<span class="string">"Quit"</span>));
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quitButton<span class="operator">-</span><span class="operator">></span>setAutoDefault(<span class="keyword">false</span>);
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server <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qlocalserver.html">QLocalServer</a></span>(<span class="keyword">this</span>);
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<span class="keyword">if</span> (<span class="operator">!</span>server<span class="operator">-</span><span class="operator">></span>listen(<span class="string">"fortune"</span>)) {
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<span class="type"><a href="qmessagebox.html">QMessageBox</a></span><span class="operator">::</span>critical(<span class="keyword">this</span><span class="operator">,</span> tr(<span class="string">"Fortune Server"</span>)<span class="operator">,</span>
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tr(<span class="string">"Unable to start the server: %1."</span>)
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<span class="operator">.</span>arg(server<span class="operator">-</span><span class="operator">></span>errorString()));
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close();
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<span class="keyword">return</span>;
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}
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statusLabel<span class="operator">-</span><span class="operator">></span>setText(tr(<span class="string">"The server is running.\n"</span>
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<span class="string">"Run the Fortune Client example now."</span>));
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fortunes <span class="operator"><</span><span class="operator"><</span> tr(<span class="string">"You've been leading a dog's life. Stay off the furniture."</span>)
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<span class="operator"><</span><span class="operator"><</span> tr(<span class="string">"You've got to think about tomorrow."</span>)
|
|
<span class="operator"><</span><span class="operator"><</span> tr(<span class="string">"You will be surprised by a loud noise."</span>)
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<span class="operator"><</span><span class="operator"><</span> tr(<span class="string">"You will feel hungry again in another hour."</span>)
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<span class="operator"><</span><span class="operator"><</span> tr(<span class="string">"You might have mail."</span>)
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<span class="operator"><</span><span class="operator"><</span> tr(<span class="string">"You cannot kill time without injuring eternity."</span>)
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<span class="operator"><</span><span class="operator"><</span> tr(<span class="string">"Computers are not intelligent. They only think they are."</span>);
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connect(quitButton<span class="operator">,</span> SIGNAL(clicked())<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> SLOT(close()));
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connect(server<span class="operator">,</span> SIGNAL(newConnection())<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> SLOT(sendFortune()));
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<span class="type"><a href="qhboxlayout.html">QHBoxLayout</a></span> <span class="operator">*</span>buttonLayout <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qhboxlayout.html">QHBoxLayout</a></span>;
|
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buttonLayout<span class="operator">-</span><span class="operator">></span>addStretch(<span class="number">1</span>);
|
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buttonLayout<span class="operator">-</span><span class="operator">></span>addWidget(quitButton);
|
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buttonLayout<span class="operator">-</span><span class="operator">></span>addStretch(<span class="number">1</span>);
|
|
|
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<span class="type"><a href="qvboxlayout.html">QVBoxLayout</a></span> <span class="operator">*</span>mainLayout <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qvboxlayout.html">QVBoxLayout</a></span>;
|
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mainLayout<span class="operator">-</span><span class="operator">></span>addWidget(statusLabel);
|
|
mainLayout<span class="operator">-</span><span class="operator">></span>addLayout(buttonLayout);
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setLayout(mainLayout);
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|
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setWindowTitle(tr(<span class="string">"Fortune Server"</span>));
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}
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|
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<span class="type">void</span> Server<span class="operator">::</span>sendFortune()
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{
|
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<span class="type"><a href="qbytearray.html">QByteArray</a></span> block;
|
|
<span class="type"><a href="qdatastream.html">QDataStream</a></span> out(<span class="operator">&</span>block<span class="operator">,</span> <span class="type"><a href="qiodevice.html">QIODevice</a></span><span class="operator">::</span>WriteOnly);
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|
out<span class="operator">.</span>setVersion(<span class="type"><a href="qdatastream.html">QDataStream</a></span><span class="operator">::</span>Qt_4_0);
|
|
out <span class="operator"><</span><span class="operator"><</span> (<span class="type"><a href="qtglobal.html#quint16-typedef">quint16</a></span>)<span class="number">0</span>;
|
|
out <span class="operator"><</span><span class="operator"><</span> fortunes<span class="operator">.</span>at(qrand() <span class="operator">%</span> fortunes<span class="operator">.</span>size());
|
|
out<span class="operator">.</span>device()<span class="operator">-</span><span class="operator">></span>seek(<span class="number">0</span>);
|
|
out <span class="operator"><</span><span class="operator"><</span> (<span class="type"><a href="qtglobal.html#quint16-typedef">quint16</a></span>)(block<span class="operator">.</span>size() <span class="operator">-</span> <span class="keyword">sizeof</span>(<span class="type"><a href="qtglobal.html#quint16-typedef">quint16</a></span>));
|
|
|
|
<span class="type"><a href="qlocalsocket.html">QLocalSocket</a></span> <span class="operator">*</span>clientConnection <span class="operator">=</span> server<span class="operator">-</span><span class="operator">></span>nextPendingConnection();
|
|
connect(clientConnection<span class="operator">,</span> SIGNAL(disconnected())<span class="operator">,</span>
|
|
clientConnection<span class="operator">,</span> SLOT(deleteLater()));
|
|
|
|
clientConnection<span class="operator">-</span><span class="operator">></span>write(block);
|
|
clientConnection<span class="operator">-</span><span class="operator">></span>flush();
|
|
clientConnection<span class="operator">-</span><span class="operator">></span>disconnectFromServer();
|
|
}</pre>
|
|
</div>
|
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<!-- @@@ipc/localfortuneserver/server.cpp -->
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<acronym title="Copyright">©</acronym> 2015 The Qt Company Ltd.
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Documentation contributions included herein are the copyrights of
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their respective owners.</p>
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The documentation provided herein is licensed under the terms of the
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License version 1.3</a> as published by the Free Software Foundation.</p>
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