lili/qt4-x11
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity
Files
master
qt4-x11/doc/html/network-torrent-trackerclient-cpp.html
lili 35a2a1d584 init
2025-08-24 20:55:26 +08:00

439 lines
33 KiB
HTML
Raw Permalink Blame History

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en_US" lang="en_US">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Qt 4.8: trackerclient.cpp Example File (network/torrent/trackerclient.cpp)</title>
<link rel="stylesheet" type="text/css" href="style/style.css" />
<script src="scripts/jquery.js" type="text/javascript"></script>
<script src="scripts/functions.js" type="text/javascript"></script>
<link rel="stylesheet" type="text/css" href="style/superfish.css" />
<link rel="stylesheet" type="text/css" href="style/narrow.css" />
<!--[if IE]>
<meta name="MSSmartTagsPreventParsing" content="true">
<meta http-equiv="imagetoolbar" content="no">
<![endif]-->
<!--[if lt IE 7]>
<link rel="stylesheet" type="text/css" href="style/style_ie6.css">
<![endif]-->
<!--[if IE 7]>
<link rel="stylesheet" type="text/css" href="style/style_ie7.css">
<![endif]-->
<!--[if IE 8]>
<link rel="stylesheet" type="text/css" href="style/style_ie8.css">
<![endif]-->
<script src="scripts/superfish.js" type="text/javascript"></script>
<script src="scripts/narrow.js" type="text/javascript"></script>
</head>
<body class="" onload="CheckEmptyAndLoadList();">
<div class="header" id="qtdocheader">
<div class="content">
<div id="nav-logo">
<a href="index.html">Home</a></div>
<a href="index.html" class="qtref"><span>Qt Reference Documentation</span></a>
<div id="narrowsearch"></div>
<div id="nav-topright">
<ul>
<li class="nav-topright-home"><a href="http://qt.digia.com/">Qt HOME</a></li>
<li class="nav-topright-dev"><a href="http://qt-project.org/">DEV</a></li>
<li class="nav-topright-doc nav-topright-doc-active"><a href="http://qt-project.org/doc/">
DOC</a></li>
<li class="nav-topright-blog"><a href="http://blog.qt.digia.com/">BLOG</a></li>
</ul>
</div>
<div id="shortCut">
<ul>
<li class="shortCut-topleft-inactive"><span><a href="index.html">Qt 4.8</a></span></li>
<li class="shortCut-topleft-active"><a href="http://qt-project.org/doc/">ALL VERSIONS </a></li>
</ul>
</div>
<ul class="sf-menu" id="narrowmenu">
<li><a href="#">API Lookup</a>
<ul>
<li><a href="classes.html">Class index</a></li>
<li><a href="functions.html">Function index</a></li>
<li><a href="modules.html">Modules</a></li>
<li><a href="namespaces.html">Namespaces</a></li>
<li><a href="qtglobal.html">Global Declarations</a></li>
<li><a href="qdeclarativeelements.html">QML elements</a></li>
</ul>
</li>
<li><a href="#">Qt Topics</a>
<ul>
<li><a href="qt-basic-concepts.html">Programming with Qt</a></li>
<li><a href="qtquick.html">Device UIs &amp; Qt Quick</a></li>
<li><a href="qt-gui-concepts.html">UI Design with Qt</a></li>
<li><a href="supported-platforms.html">Supported Platforms</a></li>
<li><a href="technology-apis.html">Qt and Key Technologies</a></li>
<li><a href="best-practices.html">How-To's and Best Practices</a></li>
</ul>
</li>
<li><a href="#">Examples</a>
<ul>
<li><a href="all-examples.html">Examples</a></li>
<li><a href="tutorials.html">Tutorials</a></li>
<li><a href="demos.html">Demos</a></li>
<li><a href="qdeclarativeexamples.html">QML Examples</a></li>
</ul>
</li>
</ul>
</div>
</div>
<div class="wrapper">
<div class="hd">
<span></span>
</div>
<div class="bd group">
<div class="sidebar">
<div class="searchlabel">
Search index:</div>
<div class="search" id="sidebarsearch">
<form id="qtdocsearch" action="" onsubmit="return false;">
<fieldset>
<input type="text" name="searchstring" id="pageType" value="" />
<div id="resultdialog">
<a href="#" id="resultclose">Close</a>
<p id="resultlinks" class="all"><a href="#" id="showallresults">All</a> | <a href="#" id="showapiresults">API</a> | <a href="#" id="showarticleresults">Articles</a> | <a href="#" id="showexampleresults">Examples</a></p>
<p id="searchcount" class="all"><span id="resultcount"></span><span id="apicount"></span><span id="articlecount"></span><span id="examplecount"></span>&nbsp;results:</p>
<ul id="resultlist" class="all">
</ul>
</div>
</fieldset>
</form>
</div>
<div class="box first bottombar" id="lookup">
<h2 title="API Lookup"><span></span>
API Lookup</h2>
<div id="list001" class="list">
<ul id="ul001" >
<li class="defaultLink"><a href="classes.html">Class index</a></li>
<li class="defaultLink"><a href="functions.html">Function index</a></li>
<li class="defaultLink"><a href="modules.html">Modules</a></li>
<li class="defaultLink"><a href="namespaces.html">Namespaces</a></li>
<li class="defaultLink"><a href="qtglobal.html">Global Declarations</a></li>
<li class="defaultLink"><a href="qdeclarativeelements.html">QML elements</a></li>
</ul>
</div>
</div>
<div class="box bottombar" id="topics">
<h2 title="Qt Topics"><span></span>
Qt Topics</h2>
<div id="list002" class="list">
<ul id="ul002" >
<li class="defaultLink"><a href="qt-basic-concepts.html">Programming with Qt</a></li>
<li class="defaultLink"><a href="qtquick.html">Device UIs &amp; Qt Quick</a></li>
<li class="defaultLink"><a href="qt-gui-concepts.html">UI Design with Qt</a></li>
<li class="defaultLink"><a href="supported-platforms.html">Supported Platforms</a></li>
<li class="defaultLink"><a href="technology-apis.html">Qt and Key Technologies</a></li>
<li class="defaultLink"><a href="best-practices.html">How-To's and Best Practices</a></li>
</ul>
</div>
</div>
<div class="box" id="examples">
<h2 title="Examples"><span></span>
Examples</h2>
<div id="list003" class="list">
<ul id="ul003">
<li class="defaultLink"><a href="all-examples.html">Examples</a></li>
<li class="defaultLink"><a href="tutorials.html">Tutorials</a></li>
<li class="defaultLink"><a href="demos.html">Demos</a></li>
<li class="defaultLink"><a href="qdeclarativeexamples.html">QML Examples</a></li>
</ul>
</div>
</div>
</div>
<div class="wrap">
<div class="toolbar">
<div class="breadcrumb toolblock">
<ul>
<li class="first"><a href="index.html">Home</a></li>
<!-- Breadcrumbs go here -->
</ul>
</div>
<div class="toolbuttons toolblock">
<ul>
<li id="smallA" class="t_button">A</li>
<li id="medA" class="t_button active">A</li>
<li id="bigA" class="t_button">A</li>
<li id="print" class="t_button"><a href="javascript:this.print();">
<span>Print</span></a></li>
</ul>
</div>
</div>
<div class="content mainContent">
<h1 class="title">trackerclient.cpp Example File</h1>
<span class="small-subtitle">network/torrent/trackerclient.cpp</span>
<!-- $$$network/torrent/trackerclient.cpp-description -->
<div class="descr"> <a name="details"></a>
<pre class="cpp"> <span class="comment">/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** &quot;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
** &quot;AS IS&quot; 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.&quot;
**
** $QT_END_LICENSE$
**
****************************************************************************/</span>
<span class="preprocessor">#include &quot;bencodeparser.h&quot;</span>
<span class="preprocessor">#include &quot;connectionmanager.h&quot;</span>
<span class="preprocessor">#include &quot;torrentclient.h&quot;</span>
<span class="preprocessor">#include &quot;torrentserver.h&quot;</span>
<span class="preprocessor">#include &quot;trackerclient.h&quot;</span>
<span class="preprocessor">#include &lt;QtCore&gt;</span>
TrackerClient<span class="operator">::</span>TrackerClient(TorrentClient <span class="operator">*</span>downloader<span class="operator">,</span> <span class="type"><a href="qobject.html">QObject</a></span> <span class="operator">*</span>parent)
: <span class="type"><a href="qobject.html">QObject</a></span>(parent)<span class="operator">,</span> torrentDownloader(downloader)
{
length <span class="operator">=</span> <span class="number">0</span>;
requestInterval <span class="operator">=</span> <span class="number">5</span> <span class="operator">*</span> <span class="number">60</span>;
requestIntervalTimer <span class="operator">=</span> <span class="operator">-</span><span class="number">1</span>;
firstTrackerRequest <span class="operator">=</span> <span class="keyword">true</span>;
lastTrackerRequest <span class="operator">=</span> <span class="keyword">false</span>;
firstSeeding <span class="operator">=</span> <span class="keyword">true</span>;
connect(<span class="operator">&amp;</span>http<span class="operator">,</span> SIGNAL(done(<span class="type">bool</span>))<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> SLOT(httpRequestDone(<span class="type">bool</span>)));
}
<span class="type">void</span> TrackerClient<span class="operator">::</span>start(<span class="keyword">const</span> MetaInfo <span class="operator">&amp;</span>info)
{
metaInfo <span class="operator">=</span> info;
<span class="type"><a href="qtimer.html">QTimer</a></span><span class="operator">::</span>singleShot(<span class="number">0</span><span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> SLOT(fetchPeerList()));
<span class="keyword">if</span> (metaInfo<span class="operator">.</span>fileForm() <span class="operator">=</span><span class="operator">=</span> MetaInfo<span class="operator">::</span>SingleFileForm) {
length <span class="operator">=</span> metaInfo<span class="operator">.</span>singleFile()<span class="operator">.</span>length;
} <span class="keyword">else</span> {
<span class="type"><a href="qlist.html">QList</a></span><span class="operator">&lt;</span>MetaInfoMultiFile<span class="operator">&gt;</span> files <span class="operator">=</span> metaInfo<span class="operator">.</span>multiFiles();
<span class="keyword">for</span> (<span class="type">int</span> i <span class="operator">=</span> <span class="number">0</span>; i <span class="operator">&lt;</span> files<span class="operator">.</span>size(); <span class="operator">+</span><span class="operator">+</span>i)
length <span class="operator">+</span><span class="operator">=</span> files<span class="operator">.</span>at(i)<span class="operator">.</span>length;
}
}
<span class="type">void</span> TrackerClient<span class="operator">::</span>startSeeding()
{
firstSeeding <span class="operator">=</span> <span class="keyword">true</span>;
fetchPeerList();
}
<span class="type">void</span> TrackerClient<span class="operator">::</span>stop()
{
lastTrackerRequest <span class="operator">=</span> <span class="keyword">true</span>;
http<span class="operator">.</span>abort();
fetchPeerList();
}
<span class="type">void</span> TrackerClient<span class="operator">::</span>timerEvent(<span class="type"><a href="qtimerevent.html">QTimerEvent</a></span> <span class="operator">*</span>event)
{
<span class="keyword">if</span> (event<span class="operator">-</span><span class="operator">&gt;</span>timerId() <span class="operator">=</span><span class="operator">=</span> requestIntervalTimer) {
<span class="keyword">if</span> (http<span class="operator">.</span>state() <span class="operator">=</span><span class="operator">=</span> <span class="type"><a href="qhttp.html">QHttp</a></span><span class="operator">::</span>Unconnected)
fetchPeerList();
} <span class="keyword">else</span> {
<span class="type"><a href="qobject.html">QObject</a></span><span class="operator">::</span>timerEvent(event);
}
}
<span class="type">void</span> TrackerClient<span class="operator">::</span>fetchPeerList()
{
<span class="comment">// Prepare connection details</span>
<span class="type"><a href="qstring.html">QString</a></span> fullUrl <span class="operator">=</span> metaInfo<span class="operator">.</span>announceUrl();
<span class="type"><a href="qurl.html">QUrl</a></span> url(fullUrl);
<span class="type"><a href="qstring.html">QString</a></span> passkey <span class="operator">=</span> <span class="string">&quot;?&quot;</span>;
<span class="keyword">if</span> (fullUrl<span class="operator">.</span>contains(<span class="string">&quot;?passkey&quot;</span>)) {
passkey <span class="operator">=</span> metaInfo<span class="operator">.</span>announceUrl()<span class="operator">.</span>mid(fullUrl<span class="operator">.</span>indexOf(<span class="string">&quot;?passkey&quot;</span>)<span class="operator">,</span> <span class="operator">-</span><span class="number">1</span>);
passkey <span class="operator">+</span><span class="operator">=</span> <span class="char">'&amp;'</span>;
}
<span class="comment">// Percent encode the hash</span>
<span class="type"><a href="qbytearray.html">QByteArray</a></span> infoHash <span class="operator">=</span> torrentDownloader<span class="operator">-</span><span class="operator">&gt;</span>infoHash();
<span class="type"><a href="qstring.html">QString</a></span> encodedSum;
<span class="keyword">for</span> (<span class="type">int</span> i <span class="operator">=</span> <span class="number">0</span>; i <span class="operator">&lt;</span> infoHash<span class="operator">.</span>size(); <span class="operator">+</span><span class="operator">+</span>i) {
encodedSum <span class="operator">+</span><span class="operator">=</span> <span class="char">'%'</span>;
encodedSum <span class="operator">+</span><span class="operator">=</span> <span class="type"><a href="qstring.html">QString</a></span><span class="operator">::</span>number(infoHash<span class="operator">[</span>i<span class="operator">]</span><span class="operator">,</span> <span class="number">16</span>)<span class="operator">.</span>right(<span class="number">2</span>)<span class="operator">.</span>rightJustified(<span class="number">2</span><span class="operator">,</span> <span class="char">'0'</span>);
}
<span class="type">bool</span> seeding <span class="operator">=</span> (torrentDownloader<span class="operator">-</span><span class="operator">&gt;</span>state() <span class="operator">=</span><span class="operator">=</span> TorrentClient<span class="operator">::</span>Seeding);
<span class="type"><a href="qbytearray.html">QByteArray</a></span> query;
query <span class="operator">+</span><span class="operator">=</span> url<span class="operator">.</span>path()<span class="operator">.</span>toLatin1();
query <span class="operator">+</span><span class="operator">=</span> passkey;
query <span class="operator">+</span><span class="operator">=</span> <span class="string">&quot;info_hash=&quot;</span> <span class="operator">+</span> encodedSum;
query <span class="operator">+</span><span class="operator">=</span> <span class="string">&quot;&amp;peer_id=&quot;</span> <span class="operator">+</span> ConnectionManager<span class="operator">::</span>instance()<span class="operator">-</span><span class="operator">&gt;</span>clientId();
query <span class="operator">+</span><span class="operator">=</span> <span class="string">&quot;&amp;port=&quot;</span> <span class="operator">+</span> <span class="type"><a href="qbytearray.html">QByteArray</a></span><span class="operator">::</span>number(TorrentServer<span class="operator">::</span>instance()<span class="operator">-</span><span class="operator">&gt;</span>serverPort());
query <span class="operator">+</span><span class="operator">=</span> <span class="string">&quot;&amp;compact=1&quot;</span>;
query <span class="operator">+</span><span class="operator">=</span> <span class="string">&quot;&amp;uploaded=&quot;</span> <span class="operator">+</span> <span class="type"><a href="qbytearray.html">QByteArray</a></span><span class="operator">::</span>number(torrentDownloader<span class="operator">-</span><span class="operator">&gt;</span>uploadedBytes());
<span class="keyword">if</span> (<span class="operator">!</span>firstSeeding) {
query <span class="operator">+</span><span class="operator">=</span> <span class="string">&quot;&amp;downloaded=0&quot;</span>;
query <span class="operator">+</span><span class="operator">=</span> <span class="string">&quot;&amp;left=0&quot;</span>;
} <span class="keyword">else</span> {
query <span class="operator">+</span><span class="operator">=</span> <span class="string">&quot;&amp;downloaded=&quot;</span> <span class="operator">+</span> <span class="type"><a href="qbytearray.html">QByteArray</a></span><span class="operator">::</span>number(
torrentDownloader<span class="operator">-</span><span class="operator">&gt;</span>downloadedBytes());
<span class="type">int</span> left <span class="operator">=</span> <a href="qtglobal.html#qMax">qMax</a><span class="operator">&lt;</span><span class="type">int</span><span class="operator">&gt;</span>(<span class="number">0</span><span class="operator">,</span> metaInfo<span class="operator">.</span>totalSize() <span class="operator">-</span> torrentDownloader<span class="operator">-</span><span class="operator">&gt;</span>downloadedBytes());
query <span class="operator">+</span><span class="operator">=</span> <span class="string">&quot;&amp;left=&quot;</span> <span class="operator">+</span> <span class="type"><a href="qbytearray.html">QByteArray</a></span><span class="operator">::</span>number(seeding <span class="operator">?</span> <span class="number">0</span> : left);
}
<span class="keyword">if</span> (seeding <span class="operator">&amp;</span><span class="operator">&amp;</span> firstSeeding) {
query <span class="operator">+</span><span class="operator">=</span> <span class="string">&quot;&amp;event=completed&quot;</span>;
firstSeeding <span class="operator">=</span> <span class="keyword">false</span>;
} <span class="keyword">else</span> <span class="keyword">if</span> (firstTrackerRequest) {
firstTrackerRequest <span class="operator">=</span> <span class="keyword">false</span>;
query <span class="operator">+</span><span class="operator">=</span> <span class="string">&quot;&amp;event=started&quot;</span>;
} <span class="keyword">else</span> <span class="keyword">if</span>(lastTrackerRequest) {
query <span class="operator">+</span><span class="operator">=</span> <span class="string">&quot;&amp;event=stopped&quot;</span>;
}
<span class="keyword">if</span> (<span class="operator">!</span>trackerId<span class="operator">.</span>isEmpty())
query <span class="operator">+</span><span class="operator">=</span> <span class="string">&quot;&amp;trackerid=&quot;</span> <span class="operator">+</span> trackerId;
http<span class="operator">.</span>setHost(url<span class="operator">.</span>host()<span class="operator">,</span> url<span class="operator">.</span>port() <span class="operator">=</span><span class="operator">=</span> <span class="operator">-</span><span class="number">1</span> <span class="operator">?</span> <span class="number">80</span> : url<span class="operator">.</span>port());
<span class="keyword">if</span> (<span class="operator">!</span>url<span class="operator">.</span>userName()<span class="operator">.</span>isEmpty())
http<span class="operator">.</span>setUser(url<span class="operator">.</span>userName()<span class="operator">,</span> url<span class="operator">.</span>password());
http<span class="operator">.</span>get(query);
}
<span class="type">void</span> TrackerClient<span class="operator">::</span>httpRequestDone(<span class="type">bool</span> error)
{
<span class="keyword">if</span> (lastTrackerRequest) {
<span class="keyword">emit</span> stopped();
<span class="keyword">return</span>;
}
<span class="keyword">if</span> (error) {
<span class="keyword">emit</span> connectionError(http<span class="operator">.</span>error());
<span class="keyword">return</span>;
}
<span class="type"><a href="qbytearray.html">QByteArray</a></span> response <span class="operator">=</span> http<span class="operator">.</span>readAll();
http<span class="operator">.</span>abort();
BencodeParser parser;
<span class="keyword">if</span> (<span class="operator">!</span>parser<span class="operator">.</span>parse(response)) {
<a href="qtglobal.html#qWarning">qWarning</a>(<span class="string">&quot;Error parsing bencode response from tracker: %s&quot;</span><span class="operator">,</span>
<a href="qtglobal.html#qPrintable">qPrintable</a>(parser<span class="operator">.</span>errorString()));
http<span class="operator">.</span>abort();
<span class="keyword">return</span>;
}
<span class="type"><a href="qmap.html">QMap</a></span><span class="operator">&lt;</span><span class="type"><a href="qbytearray.html">QByteArray</a></span><span class="operator">,</span> <span class="type"><a href="qvariant.html">QVariant</a></span><span class="operator">&gt;</span> dict <span class="operator">=</span> parser<span class="operator">.</span>dictionary();
<span class="keyword">if</span> (dict<span class="operator">.</span>contains(<span class="string">&quot;failure reason&quot;</span>)) {
<span class="comment">// no other items are present</span>
<span class="keyword">emit</span> failure(<span class="type"><a href="qstring.html">QString</a></span><span class="operator">::</span>fromUtf8(dict<span class="operator">.</span>value(<span class="string">&quot;failure reason&quot;</span>)<span class="operator">.</span>toByteArray()));
<span class="keyword">return</span>;
}
<span class="keyword">if</span> (dict<span class="operator">.</span>contains(<span class="string">&quot;warning message&quot;</span>)) {
<span class="comment">// continue processing</span>
<span class="keyword">emit</span> warning(<span class="type"><a href="qstring.html">QString</a></span><span class="operator">::</span>fromUtf8(dict<span class="operator">.</span>value(<span class="string">&quot;warning message&quot;</span>)<span class="operator">.</span>toByteArray()));
}
<span class="keyword">if</span> (dict<span class="operator">.</span>contains(<span class="string">&quot;tracker id&quot;</span>)) {
<span class="comment">// store it</span>
trackerId <span class="operator">=</span> dict<span class="operator">.</span>value(<span class="string">&quot;tracker id&quot;</span>)<span class="operator">.</span>toByteArray();
}
<span class="keyword">if</span> (dict<span class="operator">.</span>contains(<span class="string">&quot;interval&quot;</span>)) {
<span class="comment">// Mandatory item</span>
<span class="keyword">if</span> (requestIntervalTimer <span class="operator">!</span><span class="operator">=</span> <span class="operator">-</span><span class="number">1</span>)
killTimer(requestIntervalTimer);
requestIntervalTimer <span class="operator">=</span> startTimer(dict<span class="operator">.</span>value(<span class="string">&quot;interval&quot;</span>)<span class="operator">.</span>toInt() <span class="operator">*</span> <span class="number">1000</span>);
}
<span class="keyword">if</span> (dict<span class="operator">.</span>contains(<span class="string">&quot;peers&quot;</span>)) {
<span class="comment">// store it</span>
peers<span class="operator">.</span>clear();
<span class="type"><a href="qvariant.html">QVariant</a></span> peerEntry <span class="operator">=</span> dict<span class="operator">.</span>value(<span class="string">&quot;peers&quot;</span>);
<span class="keyword">if</span> (peerEntry<span class="operator">.</span>type() <span class="operator">=</span><span class="operator">=</span> <span class="type"><a href="qvariant.html">QVariant</a></span><span class="operator">::</span>List) {
<span class="type"><a href="qlist.html">QList</a></span><span class="operator">&lt;</span><span class="type"><a href="qvariant.html">QVariant</a></span><span class="operator">&gt;</span> peerTmp <span class="operator">=</span> peerEntry<span class="operator">.</span>toList();
<span class="keyword">for</span> (<span class="type">int</span> i <span class="operator">=</span> <span class="number">0</span>; i <span class="operator">&lt;</span> peerTmp<span class="operator">.</span>size(); <span class="operator">+</span><span class="operator">+</span>i) {
TorrentPeer tmp;
<span class="type"><a href="qmap.html">QMap</a></span><span class="operator">&lt;</span><span class="type"><a href="qbytearray.html">QByteArray</a></span><span class="operator">,</span> <span class="type"><a href="qvariant.html">QVariant</a></span><span class="operator">&gt;</span> peer <span class="operator">=</span> qvariant_cast<span class="operator">&lt;</span><span class="type"><a href="qmap.html">QMap</a></span><span class="operator">&lt;</span><span class="type"><a href="qbytearray.html">QByteArray</a></span><span class="operator">,</span> <span class="type"><a href="qvariant.html">QVariant</a></span><span class="operator">&gt;</span> <span class="operator">&gt;</span>(peerTmp<span class="operator">.</span>at(i));
tmp<span class="operator">.</span>id <span class="operator">=</span> <span class="type"><a href="qstring.html">QString</a></span><span class="operator">::</span>fromUtf8(peer<span class="operator">.</span>value(<span class="string">&quot;peer id&quot;</span>)<span class="operator">.</span>toByteArray());
tmp<span class="operator">.</span>address<span class="operator">.</span>setAddress(<span class="type"><a href="qstring.html">QString</a></span><span class="operator">::</span>fromUtf8(peer<span class="operator">.</span>value(<span class="string">&quot;ip&quot;</span>)<span class="operator">.</span>toByteArray()));
tmp<span class="operator">.</span>port <span class="operator">=</span> peer<span class="operator">.</span>value(<span class="string">&quot;port&quot;</span>)<span class="operator">.</span>toInt();
peers <span class="operator">&lt;</span><span class="operator">&lt;</span> tmp;
}
} <span class="keyword">else</span> {
<span class="type"><a href="qbytearray.html">QByteArray</a></span> peerTmp <span class="operator">=</span> peerEntry<span class="operator">.</span>toByteArray();
<span class="keyword">for</span> (<span class="type">int</span> i <span class="operator">=</span> <span class="number">0</span>; i <span class="operator">&lt;</span> peerTmp<span class="operator">.</span>size(); i <span class="operator">+</span><span class="operator">=</span> <span class="number">6</span>) {
TorrentPeer tmp;
<span class="type"><a href="qtglobal.html#uchar-typedef">uchar</a></span> <span class="operator">*</span>data <span class="operator">=</span> (<span class="type"><a href="qtglobal.html#uchar-typedef">uchar</a></span> <span class="operator">*</span>)peerTmp<span class="operator">.</span>constData() <span class="operator">+</span> i;
tmp<span class="operator">.</span>port <span class="operator">=</span> (<span class="type">int</span>(data<span class="operator">[</span><span class="number">4</span><span class="operator">]</span>) <span class="operator">&lt;</span><span class="operator">&lt;</span> <span class="number">8</span>) <span class="operator">+</span> data<span class="operator">[</span><span class="number">5</span><span class="operator">]</span>;
<span class="type"><a href="qtglobal.html#uint-typedef">uint</a></span> ipAddress <span class="operator">=</span> <span class="number">0</span>;
ipAddress <span class="operator">+</span><span class="operator">=</span> <span class="type"><a href="qtglobal.html#uint-typedef">uint</a></span>(data<span class="operator">[</span><span class="number">0</span><span class="operator">]</span>) <span class="operator">&lt;</span><span class="operator">&lt;</span> <span class="number">24</span>;
ipAddress <span class="operator">+</span><span class="operator">=</span> <span class="type"><a href="qtglobal.html#uint-typedef">uint</a></span>(data<span class="operator">[</span><span class="number">1</span><span class="operator">]</span>) <span class="operator">&lt;</span><span class="operator">&lt;</span> <span class="number">16</span>;
ipAddress <span class="operator">+</span><span class="operator">=</span> <span class="type"><a href="qtglobal.html#uint-typedef">uint</a></span>(data<span class="operator">[</span><span class="number">2</span><span class="operator">]</span>) <span class="operator">&lt;</span><span class="operator">&lt;</span> <span class="number">8</span>;
ipAddress <span class="operator">+</span><span class="operator">=</span> <span class="type"><a href="qtglobal.html#uint-typedef">uint</a></span>(data<span class="operator">[</span><span class="number">3</span><span class="operator">]</span>);
tmp<span class="operator">.</span>address<span class="operator">.</span>setAddress(ipAddress);
peers <span class="operator">&lt;</span><span class="operator">&lt;</span> tmp;
}
}
<span class="keyword">emit</span> peerListUpdated(peers);
}
}</pre>
</div>
<!-- @@@network/torrent/trackerclient.cpp -->
</div>
</div>
</div>
<div class="ft">
<span></span>
</div>
</div>
<div class="footer">
<p>
<acronym title="Copyright">&copy;</acronym> 2015 The Qt Company Ltd.
Documentation contributions included herein are the copyrights of
their respective owners.</p>
<br />
<p>
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.</p>
<p>
Documentation sources may be obtained from <a href="http://www.qt-project.org">
www.qt-project.org</a>.</p>
<br />
<p>
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. <a title="Privacy Policy"
href="http://en.gitorious.org/privacy_policy/">Privacy Policy</a></p>
</div>
<script src="scripts/functions.js" type="text/javascript"></script>
</body>
</html>
Reference in New Issue View Git Blame Copy Permalink