<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE html> <html lang="en"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>ftpdatachannel.cpp Example File | Qt SCXML 5.9</title> <link rel="stylesheet" type="text/css" href="style/offline-simple.css" /> <script type="text/javascript"> document.getElementsByTagName("link").item(0).setAttribute("href", "style/offline.css"); // loading style sheet breaks anchors that were jumped to before // so force jumping to anchor again setTimeout(function() { var anchor = location.hash; // need to jump to different anchor first (e.g. none) location.hash = "#"; setTimeout(function() { location.hash = anchor; }, 0); }, 0); </script> </head> <body> <div class="header" id="qtdocheader"> <div class="main"> <div class="main-rounded"> <div class="navigationbar"> <table><tr> <td >Qt 5.9</td><td ><a href="qtscxml-index.html">Qt SCXML</a></td><td ><a href="qtscxml-ftpclient-example.html">Qt SCXML FTP Client Example</a></td><td >ftpdatachannel.cpp Example File</td></tr></table><table class="buildversion"><tr> <td id="buildversion" width="100%" align="right">Qt 5.9.4 Reference Documentation</td> </tr></table> </div> </div> <div class="content"> <div class="line"> <div class="content mainContent"> <div class="sidebar"><div class="sidebar-content" id="sidebar-content"></div></div> <h1 class="title">ftpdatachannel.cpp Example File</h1> <span class="subtitle">ftpclient/ftpdatachannel.cpp</span> <!-- $$$ftpclient/ftpdatachannel.cpp-description --> <div class="descr"> <a name="details"></a> <pre class="cpp"> <span class="comment">/**************************************************************************** ** ** Copyright (C) 2016 The Qt Company Ltd. ** Contact: https://www.qt.io/licensing/ ** ** This file is part of the QtScxml 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 "ftpdatachannel.h"</span> FtpDataChannel<span class="operator">::</span>FtpDataChannel(<span class="type">QObject</span> <span class="operator">*</span>parent) : <span class="type">QObject</span>(parent) { connect(<span class="operator">&</span>m_server<span class="operator">,</span> <span class="operator">&</span><span class="type">QTcpServer</span><span class="operator">::</span>newConnection<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> <span class="operator">[</span><span class="keyword">this</span><span class="operator">]</span>() { m_socket<span class="operator">.</span>reset(m_server<span class="operator">.</span>nextPendingConnection()); connect(m_socket<span class="operator">.</span>data()<span class="operator">,</span> <span class="operator">&</span><span class="type">QTcpSocket</span><span class="operator">::</span>readyRead<span class="operator">,</span> <span class="operator">[</span><span class="keyword">this</span><span class="operator">]</span>() { <span class="keyword">emit</span> dataReceived(m_socket<span class="operator">-</span><span class="operator">></span>readAll()); }); }); } <span class="type">void</span> FtpDataChannel<span class="operator">::</span>listen(<span class="keyword">const</span> <span class="type">QHostAddress</span> <span class="operator">&</span>address) { m_server<span class="operator">.</span>listen(address); } <span class="type">void</span> FtpDataChannel<span class="operator">::</span>sendData(<span class="keyword">const</span> <span class="type">QByteArray</span> <span class="operator">&</span>data) { <span class="keyword">if</span> (m_socket) m_socket<span class="operator">-</span><span class="operator">></span>write(<span class="type">QByteArray</span>(data)<span class="operator">.</span>replace(<span class="string">"\n"</span><span class="operator">,</span> <span class="string">"\r\n"</span>)); } <span class="type">void</span> FtpDataChannel<span class="operator">::</span>close() { <span class="keyword">if</span> (m_socket) m_socket<span class="operator">-</span><span class="operator">></span>disconnectFromHost(); } <span class="type">QString</span> FtpDataChannel<span class="operator">::</span>portspec() <span class="keyword">const</span> { <span class="comment">// Yes, this is a weird format, but say hello to FTP.</span> <span class="type">QString</span> portSpec; <span class="type">quint32</span> ipv4 <span class="operator">=</span> m_server<span class="operator">.</span>serverAddress()<span class="operator">.</span>toIPv4Address(); <span class="type">quint16</span> port <span class="operator">=</span> m_server<span class="operator">.</span>serverPort(); portSpec <span class="operator">+</span><span class="operator">=</span> <span class="type">QString</span><span class="operator">::</span>number((ipv4 <span class="operator">&</span> <span class="number">0xff000000</span>) <span class="operator">></span><span class="operator">></span> <span class="number">24</span>); portSpec <span class="operator">+</span><span class="operator">=</span> <span class="char">','</span> <span class="operator">+</span> <span class="type">QString</span><span class="operator">::</span>number((ipv4 <span class="operator">&</span> <span class="number">0x00ff0000</span>) <span class="operator">></span><span class="operator">></span> <span class="number">16</span>); portSpec <span class="operator">+</span><span class="operator">=</span> <span class="char">','</span> <span class="operator">+</span> <span class="type">QString</span><span class="operator">::</span>number((ipv4 <span class="operator">&</span> <span class="number">0x0000ff00</span>) <span class="operator">></span><span class="operator">></span> <span class="number">8</span>); portSpec <span class="operator">+</span><span class="operator">=</span> <span class="char">','</span> <span class="operator">+</span> <span class="type">QString</span><span class="operator">::</span>number(ipv4 <span class="operator">&</span> <span class="number">0x000000ff</span>); portSpec <span class="operator">+</span><span class="operator">=</span> <span class="char">','</span> <span class="operator">+</span> <span class="type">QString</span><span class="operator">::</span>number((port <span class="operator">&</span> <span class="number">0xff00</span>) <span class="operator">></span><span class="operator">></span> <span class="number">8</span>); portSpec <span class="operator">+</span><span class="operator">=</span> <span class="char">','</span> <span class="operator">+</span> <span class="type">QString</span><span class="operator">::</span>number(port <span class="operator">&</span><span class="number">0x00ff</span>); <span class="keyword">return</span> portSpec; } </pre> </div> <!-- @@@ftpclient/ftpdatachannel.cpp --> </div> </div> </div> </div> </div> <div class="footer"> <p> <acronym title="Copyright">©</acronym> 2017 The Qt Company Ltd. Documentation contributions included herein are the copyrights of their respective owners.<br> The documentation provided herein is licensed under the terms of the <a href="http://www.gnu.org/licenses/fdl.html">GNU Free Documentation License version 1.3</a> as published by the Free Software Foundation.<br> Qt and respective logos are trademarks of The Qt Company Ltd. in Finland and/or other countries worldwide. All other trademarks are property of their respective owners. </p> </div> </body> </html>