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<a class="el" href="dir_000000.html">kdecore</a> » <a class="el" href="dir_000003.html">network</a></div>
<h1>kstreamsocket.cpp</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/* -*- C++ -*-</span>
<a name="l00002"></a>00002 <span class="comment"> * Copyright (C) 2003 Thiago Macieira <thiago.macieira@kdemail.net></span>
<a name="l00003"></a>00003 <span class="comment"> *</span>
<a name="l00004"></a>00004 <span class="comment"> *</span>
<a name="l00005"></a>00005 <span class="comment"> * Permission is hereby granted, free of charge, to any person obtaining</span>
<a name="l00006"></a>00006 <span class="comment"> * a copy of this software and associated documentation files (the</span>
<a name="l00007"></a>00007 <span class="comment"> * "Software"), to deal in the Software without restriction, including</span>
<a name="l00008"></a>00008 <span class="comment"> * without limitation the rights to use, copy, modify, merge, publish,</span>
<a name="l00009"></a>00009 <span class="comment"> * distribute, sublicense, and/or sell copies of the Software, and to</span>
<a name="l00010"></a>00010 <span class="comment"> * permit persons to whom the Software is furnished to do so, subject to</span>
<a name="l00011"></a>00011 <span class="comment"> * the following conditions:</span>
<a name="l00012"></a>00012 <span class="comment"> *</span>
<a name="l00013"></a>00013 <span class="comment"> * The above copyright notice and this permission notice shall be included </span>
<a name="l00014"></a>00014 <span class="comment"> * in all copies or substantial portions of the Software.</span>
<a name="l00015"></a>00015 <span class="comment"> *</span>
<a name="l00016"></a>00016 <span class="comment"> * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,</span>
<a name="l00017"></a>00017 <span class="comment"> * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF</span>
<a name="l00018"></a>00018 <span class="comment"> * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND</span>
<a name="l00019"></a>00019 <span class="comment"> * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE</span>
<a name="l00020"></a>00020 <span class="comment"> * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION</span>
<a name="l00021"></a>00021 <span class="comment"> * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION</span>
<a name="l00022"></a>00022 <span class="comment"> * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.</span>
<a name="l00023"></a>00023 <span class="comment"> */</span>
<a name="l00024"></a>00024
<a name="l00025"></a>00025 <span class="preprocessor">#include <config.h></span>
<a name="l00026"></a>00026
<a name="l00027"></a>00027 <span class="preprocessor">#include <qsocketnotifier.h></span>
<a name="l00028"></a>00028 <span class="preprocessor">#include <qdatetime.h></span>
<a name="l00029"></a>00029 <span class="preprocessor">#include <qtimer.h></span>
<a name="l00030"></a>00030 <span class="preprocessor">#include <qguardedptr.h></span>
<a name="l00031"></a>00031
<a name="l00032"></a>00032 <span class="preprocessor">#include "ksocketaddress.h"</span>
<a name="l00033"></a>00033 <span class="preprocessor">#include "kresolver.h"</span>
<a name="l00034"></a>00034 <span class="preprocessor">#include "ksocketdevice.h"</span>
<a name="l00035"></a>00035 <span class="preprocessor">#include "kstreamsocket.h"</span>
<a name="l00036"></a>00036
<a name="l00037"></a>00037 <span class="keyword">using</span> <span class="keyword">namespace </span>KNetwork;
<a name="l00038"></a>00038
<a name="l00039"></a>00039 <span class="keyword">class </span>KNetwork::KStreamSocketPrivate
<a name="l00040"></a>00040 {
<a name="l00041"></a>00041 <span class="keyword">public</span>:
<a name="l00042"></a>00042 <a class="codeRef" doxygen="qt.tag:" href="qvaluelist.html#ConstIterator">KResolverResults::ConstIterator</a> local, peer;
<a name="l00043"></a>00043 <a class="codeRef" doxygen="qt.tag:" href="qtime.html">QTime</a> startTime;
<a name="l00044"></a>00044 <a class="codeRef" doxygen="qt.tag:" href="qtimer.html">QTimer</a> timer;
<a name="l00045"></a>00045
<a name="l00046"></a>00046 <span class="keywordtype">int</span> timeout;
<a name="l00047"></a>00047
<a name="l00048"></a>00048 <span class="keyword">inline</span> KStreamSocketPrivate()
<a name="l00049"></a>00049 : timeout(0)
<a name="l00050"></a>00050 { }
<a name="l00051"></a>00051 };
<a name="l00052"></a>00052
<a name="l00053"></a><a class="code" href="classKNetwork_1_1KStreamSocket.html#a0">00053</a> <a class="code" href="classKNetwork_1_1KStreamSocket.html#a0">KStreamSocket::KStreamSocket</a>(<span class="keyword">const</span> <a class="codeRef" doxygen="qt.tag:" href="qstring.html">QString</a>& node, <span class="keyword">const</span> <a class="codeRef" doxygen="qt.tag:" href="qstring.html">QString</a>& service,
<a name="l00054"></a>00054 <a class="codeRef" doxygen="qt.tag:" href="qobject.html">QObject</a>* parent, <span class="keyword">const</span> <span class="keywordtype">char</span> *name)
<a name="l00055"></a>00055 : <a class="code" href="classKNetwork_1_1KClientSocketBase.html">KClientSocketBase</a>(parent, name), d(new KStreamSocketPrivate)
<a name="l00056"></a>00056 {
<a name="l00057"></a>00057 <a class="code" href="classKNetwork_1_1KClientSocketBase.html#a3">peerResolver</a>().<a class="code" href="classKNetwork_1_1KResolver.html#a10">setNodeName</a>(node);
<a name="l00058"></a>00058 <a class="code" href="classKNetwork_1_1KClientSocketBase.html#a3">peerResolver</a>().<a class="code" href="classKNetwork_1_1KResolver.html#a11">setServiceName</a>(service);
<a name="l00059"></a>00059 <a class="code" href="classKNetwork_1_1KClientSocketBase.html#a3">peerResolver</a>().<a class="code" href="classKNetwork_1_1KResolver.html#a15">setFamily</a>(KResolver::KnownFamily);
<a name="l00060"></a>00060 <a class="code" href="classKNetwork_1_1KClientSocketBase.html#a5">localResolver</a>().<a class="code" href="classKNetwork_1_1KResolver.html#a15">setFamily</a>(KResolver::KnownFamily);
<a name="l00061"></a>00061
<a name="l00062"></a>00062 <a class="code" href="classKNetwork_1_1KClientSocketBase.html#b0">setSocketOptions</a>(<a class="code" href="classKNetwork_1_1KSocketBase.html#b1">socketOptions</a>() & ~Blocking);
<a name="l00063"></a>00063
<a name="l00064"></a>00064 <a class="codeRef" doxygen="qt.tag:" href="qobject.html#connect">QObject::connect</a>(&d->timer, SIGNAL(<a class="code" href="classKNetwork_1_1KStreamSocket.html#a2">timeout</a>()), <span class="keyword">this</span>, SLOT(timeoutSlot()));
<a name="l00065"></a>00065 }
<a name="l00066"></a>00066
<a name="l00067"></a><a class="code" href="classKNetwork_1_1KStreamSocket.html#a1">00067</a> <a class="code" href="classKNetwork_1_1KStreamSocket.html#a1">KStreamSocket::~KStreamSocket</a>()
<a name="l00068"></a>00068 {
<a name="l00069"></a>00069 <span class="keyword">delete</span> d;
<a name="l00070"></a>00070 <span class="comment">// KClientSocketBase's destructor closes the socket</span>
<a name="l00071"></a>00071 }
<a name="l00072"></a>00072
<a name="l00073"></a><a class="code" href="classKNetwork_1_1KStreamSocket.html#a2">00073</a> <span class="keywordtype">int</span> <a class="code" href="classKNetwork_1_1KStreamSocket.html#a2">KStreamSocket::timeout</a>()<span class="keyword"> const</span>
<a name="l00074"></a>00074 <span class="keyword"></span>{
<a name="l00075"></a>00075 <span class="keywordflow">return</span> d->timeout;
<a name="l00076"></a>00076 }
<a name="l00077"></a>00077
<a name="l00078"></a><a class="code" href="classKNetwork_1_1KStreamSocket.html#a3">00078</a> <span class="keywordtype">int</span> <a class="code" href="classKNetwork_1_1KStreamSocket.html#a3">KStreamSocket::remainingTimeout</a>()<span class="keyword"> const</span>
<a name="l00079"></a>00079 <span class="keyword"></span>{
<a name="l00080"></a>00080 <span class="keywordflow">if</span> (<a class="code" href="classKNetwork_1_1KClientSocketBase.html#a2">state</a>() != Connecting)
<a name="l00081"></a>00081 <span class="keywordflow">return</span> <a class="code" href="classKNetwork_1_1KStreamSocket.html#a2">timeout</a>();
<a name="l00082"></a>00082 <span class="keywordflow">if</span> (<a class="code" href="classKNetwork_1_1KStreamSocket.html#a2">timeout</a>() <= 0)
<a name="l00083"></a>00083 <span class="keywordflow">return</span> 0;
<a name="l00084"></a>00084
<a name="l00085"></a>00085 <span class="keywordflow">return</span> <a class="code" href="classKNetwork_1_1KStreamSocket.html#a2">timeout</a>() - d->startTime.elapsed();
<a name="l00086"></a>00086 }
<a name="l00087"></a>00087
<a name="l00088"></a><a class="code" href="classKNetwork_1_1KStreamSocket.html#a4">00088</a> <span class="keywordtype">void</span> <a class="code" href="classKNetwork_1_1KStreamSocket.html#a4">KStreamSocket::setTimeout</a>(<span class="keywordtype">int</span> msecs)
<a name="l00089"></a>00089 {
<a name="l00090"></a>00090 d->timeout = msecs;
<a name="l00091"></a>00091
<a name="l00092"></a>00092 <span class="keywordflow">if</span> (<a class="code" href="classKNetwork_1_1KClientSocketBase.html#a2">state</a>() == Connecting)
<a name="l00093"></a>00093 d->timer.changeInterval(msecs);
<a name="l00094"></a>00094 }
<a name="l00095"></a>00095
<a name="l00096"></a><a class="code" href="classKNetwork_1_1KStreamSocket.html#a5">00096</a> <span class="keywordtype">bool</span> <a class="code" href="classKNetwork_1_1KStreamSocket.html#a5">KStreamSocket::bind</a>(<span class="keyword">const</span> <a class="codeRef" doxygen="qt.tag:" href="qstring.html">QString</a>& node, <span class="keyword">const</span> <a class="codeRef" doxygen="qt.tag:" href="qstring.html">QString</a>& service)
<a name="l00097"></a>00097 {
<a name="l00098"></a>00098 <span class="keywordflow">if</span> (<a class="code" href="classKNetwork_1_1KClientSocketBase.html#a2">state</a>() != Idle)
<a name="l00099"></a>00099 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00100"></a>00100
<a name="l00101"></a>00101 <span class="keywordflow">if</span> (!node.<a class="codeRef" doxygen="qt.tag:" href="qstring.html#isNull">isNull</a>())
<a name="l00102"></a>00102 <a class="code" href="classKNetwork_1_1KClientSocketBase.html#a5">localResolver</a>().<a class="code" href="classKNetwork_1_1KResolver.html#a10">setNodeName</a>(node);
<a name="l00103"></a>00103 <span class="keywordflow">if</span> (!service.<a class="codeRef" doxygen="qt.tag:" href="qstring.html#isNull">isNull</a>())
<a name="l00104"></a>00104 <a class="code" href="classKNetwork_1_1KClientSocketBase.html#a5">localResolver</a>().<a class="code" href="classKNetwork_1_1KResolver.html#a11">setServiceName</a>(service);
<a name="l00105"></a>00105 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00106"></a>00106 }
<a name="l00107"></a>00107
<a name="l00108"></a><a class="code" href="classKNetwork_1_1KStreamSocket.html#a7">00108</a> <span class="keywordtype">bool</span> <a class="code" href="classKNetwork_1_1KStreamSocket.html#a7">KStreamSocket::connect</a>(<span class="keyword">const</span> <a class="codeRef" doxygen="qt.tag:" href="qstring.html">QString</a>& node, <span class="keyword">const</span> <a class="codeRef" doxygen="qt.tag:" href="qstring.html">QString</a>& service)
<a name="l00109"></a>00109 {
<a name="l00110"></a>00110 <span class="keywordflow">if</span> (<a class="code" href="classKNetwork_1_1KClientSocketBase.html#a2">state</a>() == Connected)
<a name="l00111"></a>00111 <span class="keywordflow">return</span> <span class="keyword">true</span>; <span class="comment">// already connected</span>
<a name="l00112"></a>00112
<a name="l00113"></a>00113 <span class="keywordflow">if</span> (<a class="code" href="classKNetwork_1_1KClientSocketBase.html#a2">state</a>() > Connected)
<a name="l00114"></a>00114 <span class="keywordflow">return</span> <span class="keyword">false</span>; <span class="comment">// can't do much here</span>
<a name="l00115"></a>00115
<a name="l00116"></a>00116 <span class="keywordflow">if</span> (!node.<a class="codeRef" doxygen="qt.tag:" href="qstring.html#isNull">isNull</a>())
<a name="l00117"></a>00117 <a class="code" href="classKNetwork_1_1KClientSocketBase.html#a3">peerResolver</a>().<a class="code" href="classKNetwork_1_1KResolver.html#a10">setNodeName</a>(node);
<a name="l00118"></a>00118 <span class="keywordflow">if</span> (!service.<a class="codeRef" doxygen="qt.tag:" href="qstring.html#isNull">isNull</a>())
<a name="l00119"></a>00119 <a class="code" href="classKNetwork_1_1KClientSocketBase.html#a3">peerResolver</a>().<a class="code" href="classKNetwork_1_1KResolver.html#a11">setServiceName</a>(service);
<a name="l00120"></a>00120
<a name="l00121"></a>00121 <span class="keywordflow">if</span> (<a class="code" href="classKNetwork_1_1KClientSocketBase.html#a2">state</a>() == Connecting && !<a class="code" href="classKNetwork_1_1KSocketBase.html#a3">blocking</a>())
<a name="l00122"></a>00122 {
<a name="l00123"></a>00123 <a class="code" href="classKNetwork_1_1KActiveSocketBase.html#b0">setError</a>(IO_ConnectError, InProgress);
<a name="l00124"></a>00124 emit <a class="code" href="classKNetwork_1_1KClientSocketBase.html#l1">gotError</a>(InProgress);
<a name="l00125"></a>00125 <span class="keywordflow">return</span> <span class="keyword">true</span>; <span class="comment">// we're already connecting</span>
<a name="l00126"></a>00126 }
<a name="l00127"></a>00127
<a name="l00128"></a>00128 <span class="keywordflow">if</span> (<a class="code" href="classKNetwork_1_1KClientSocketBase.html#a2">state</a>() < HostFound)
<a name="l00129"></a>00129 {
<a name="l00130"></a>00130 <span class="comment">// connection hasn't started yet</span>
<a name="l00131"></a>00131 <span class="keywordflow">if</span> (!<a class="code" href="classKNetwork_1_1KSocketBase.html#a3">blocking</a>())
<a name="l00132"></a>00132 {
<a name="l00133"></a>00133 <a class="codeRef" doxygen="qt.tag:" href="qobject.html#connect">QObject::connect</a>(<span class="keyword">this</span>, SIGNAL(<a class="code" href="classKNetwork_1_1KClientSocketBase.html#l2">hostFound</a>()), SLOT(hostFoundSlot()));
<a name="l00134"></a>00134 <span class="keywordflow">return</span> <a class="code" href="classKNetwork_1_1KClientSocketBase.html#a9">lookup</a>();
<a name="l00135"></a>00135 }
<a name="l00136"></a>00136
<a name="l00137"></a>00137 <span class="comment">// blocking mode</span>
<a name="l00138"></a>00138 <span class="keywordflow">if</span> (!<a class="code" href="classKNetwork_1_1KClientSocketBase.html#a9">lookup</a>())
<a name="l00139"></a>00139 <span class="keywordflow">return</span> <span class="keyword">false</span>; <span class="comment">// lookup failure</span>
<a name="l00140"></a>00140 }
<a name="l00141"></a>00141
<a name="l00142"></a>00142 <span class="comment">/*</span>
<a name="l00143"></a>00143 <span class="comment"> * lookup results are available here</span>
<a name="l00144"></a>00144 <span class="comment"> */</span>
<a name="l00145"></a>00145
<a name="l00146"></a>00146 <span class="keywordflow">if</span> (<a class="code" href="classKNetwork_1_1KStreamSocket.html#a2">timeout</a>() > 0)
<a name="l00147"></a>00147 {
<a name="l00148"></a>00148 <span class="keywordflow">if</span> (!<a class="code" href="classKNetwork_1_1KSocketBase.html#a3">blocking</a>() && !d->timer.isActive())
<a name="l00149"></a>00149 d->timer.start(<a class="code" href="classKNetwork_1_1KStreamSocket.html#a2">timeout</a>(), <span class="keyword">true</span>);
<a name="l00150"></a>00150 <span class="keywordflow">else</span>
<a name="l00151"></a>00151 {
<a name="l00152"></a>00152 <span class="comment">// blocking connection with timeout</span>
<a name="l00153"></a>00153 <span class="comment">// this must be handled as a special case because it requires a</span>
<a name="l00154"></a>00154 <span class="comment">// non-blocking socket</span>
<a name="l00155"></a>00155
<a name="l00156"></a>00156 d->timer.stop(); <span class="comment">// no need for a timer here</span>
<a name="l00157"></a>00157
<a name="l00158"></a>00158 <a class="code" href="classKNetwork_1_1KSocketBase.html#a10">socketDevice</a>()-><a class="code" href="classKNetwork_1_1KSocketBase.html#a2">setBlocking</a>(<span class="keyword">false</span>);
<a name="l00159"></a>00159 <span class="keywordflow">while</span> (<span class="keyword">true</span>)
<a name="l00160"></a>00160 {
<a name="l00161"></a>00161 connectionEvent();
<a name="l00162"></a>00162 <span class="keywordflow">if</span> (<a class="code" href="classKNetwork_1_1KClientSocketBase.html#a2">state</a>() < Connecting)
<a name="l00163"></a>00163 <span class="keywordflow">return</span> <span class="keyword">false</span>; <span class="comment">// error connecting</span>
<a name="l00164"></a>00164 <span class="keywordflow">if</span> (<a class="code" href="classKNetwork_1_1KClientSocketBase.html#a2">state</a>() == Connected)
<a name="l00165"></a>00165 <span class="keywordflow">return</span> <span class="keyword">true</span>; <span class="comment">// connected!</span>
<a name="l00166"></a>00166
<a name="l00167"></a>00167 <span class="keywordflow">if</span> (<a class="code" href="classKNetwork_1_1KStreamSocket.html#a3">remainingTimeout</a>() <= 0)
<a name="l00168"></a>00168 {
<a name="l00169"></a>00169 <span class="comment">// we've timed out</span>
<a name="l00170"></a>00170 timeoutSlot();
<a name="l00171"></a>00171 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00172"></a>00172 }
<a name="l00173"></a>00173
<a name="l00174"></a>00174 <span class="keywordflow">if</span> (<a class="code" href="classKNetwork_1_1KSocketBase.html#a10">socketDevice</a>()-><a class="code" href="classKNetwork_1_1KSocketBase.html#a13">error</a>() == InProgress)
<a name="l00175"></a>00175 {
<a name="l00176"></a>00176 <span class="keywordtype">bool</span> timedout;
<a name="l00177"></a>00177 <a class="code" href="classKNetwork_1_1KSocketBase.html#a10">socketDevice</a>()-><a class="code" href="classKNetwork_1_1KSocketDevice.html#a30">poll</a>(<a class="code" href="classKNetwork_1_1KStreamSocket.html#a3">remainingTimeout</a>(), &timedout);
<a name="l00178"></a>00178 <span class="keywordflow">if</span> (timedout)
<a name="l00179"></a>00179 {
<a name="l00180"></a>00180 timeoutSlot();
<a name="l00181"></a>00181 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00182"></a>00182 }
<a name="l00183"></a>00183 }
<a name="l00184"></a>00184 }
<a name="l00185"></a>00185 }
<a name="l00186"></a>00186 }
<a name="l00187"></a>00187
<a name="l00188"></a>00188 connectionEvent();
<a name="l00189"></a>00189 <span class="keywordflow">return</span> <a class="code" href="classKNetwork_1_1KSocketBase.html#a13">error</a>() == NoError;
<a name="l00190"></a>00190 }
<a name="l00191"></a>00191
<a name="l00192"></a><a class="code" href="classKNetwork_1_1KStreamSocket.html#a8">00192</a> <span class="keywordtype">bool</span> <a class="code" href="classKNetwork_1_1KStreamSocket.html#a7">KStreamSocket::connect</a>(<span class="keyword">const</span> <a class="code" href="classKNetwork_1_1KResolverEntry.html">KResolverEntry</a>& entry)
<a name="l00193"></a>00193 {
<a name="l00194"></a>00194 <span class="keywordflow">return</span> <a class="code" href="classKNetwork_1_1KClientSocketBase.html#a12">KClientSocketBase::connect</a>(entry);
<a name="l00195"></a>00195 }
<a name="l00196"></a>00196
<a name="l00197"></a>00197 <span class="keywordtype">void</span> KStreamSocket::hostFoundSlot()
<a name="l00198"></a>00198 {
<a name="l00199"></a>00199 <a class="codeRef" doxygen="qt.tag:" href="qobject.html#disconnect">QObject::disconnect</a>(<span class="keyword">this</span>, SLOT(hostFoundSlot()));
<a name="l00200"></a>00200 <span class="keywordflow">if</span> (<a class="code" href="classKNetwork_1_1KStreamSocket.html#a2">timeout</a>() > 0)
<a name="l00201"></a>00201 d->timer.start(<a class="code" href="classKNetwork_1_1KStreamSocket.html#a2">timeout</a>(), <span class="keyword">true</span>);
<a name="l00202"></a>00202 <a class="codeRef" doxygen="qt.tag:" href="qtimer.html#singleShot">QTimer::singleShot</a>(0, <span class="keyword">this</span>, SLOT(connectionEvent()));
<a name="l00203"></a>00203 }
<a name="l00204"></a>00204
<a name="l00205"></a>00205 <span class="keywordtype">void</span> KStreamSocket::connectionEvent()
<a name="l00206"></a>00206 {
<a name="l00207"></a>00207 <span class="keywordflow">if</span> (<a class="code" href="classKNetwork_1_1KClientSocketBase.html#a2">state</a>() != HostFound && <a class="code" href="classKNetwork_1_1KClientSocketBase.html#a2">state</a>() != Connecting)
<a name="l00208"></a>00208 <span class="keywordflow">return</span>; <span class="comment">// nothing to do</span>
<a name="l00209"></a>00209
<a name="l00210"></a>00210 <span class="keyword">const</span> <a class="code" href="classKNetwork_1_1KResolverResults.html">KResolverResults</a>& peer = <a class="code" href="classKNetwork_1_1KClientSocketBase.html#a4">peerResults</a>();
<a name="l00211"></a>00211 <span class="keywordflow">if</span> (<a class="code" href="classKNetwork_1_1KClientSocketBase.html#a2">state</a>() == HostFound)
<a name="l00212"></a>00212 {
<a name="l00213"></a>00213 d->startTime.start();
<a name="l00214"></a>00214
<a name="l00215"></a>00215 <a class="code" href="classKNetwork_1_1KClientSocketBase.html#b1">setState</a>(Connecting);
<a name="l00216"></a>00216 emit <a class="code" href="classKNetwork_1_1KClientSocketBase.html#l0">stateChanged</a>(Connecting);
<a name="l00217"></a>00217 d->peer = peer.<a class="codeRef" doxygen="qt.tag:" href="qvaluelist.html#begin">begin</a>();
<a name="l00218"></a>00218 d->local = <a class="code" href="classKNetwork_1_1KClientSocketBase.html#a6">localResults</a>().<a class="codeRef" doxygen="qt.tag:" href="qvaluelist.html#begin">begin</a>(); <span class="comment">// just to be on the safe side</span>
<a name="l00219"></a>00219 }
<a name="l00220"></a>00220
<a name="l00221"></a>00221 <span class="keywordflow">while</span> (d->peer != peer.<a class="codeRef" doxygen="qt.tag:" href="qvaluelist.html#end">end</a>())
<a name="l00222"></a>00222 {
<a name="l00223"></a>00223 <span class="keyword">const</span> <a class="code" href="classKNetwork_1_1KResolverEntry.html">KResolverEntry</a> &r = *d->peer;
<a name="l00224"></a>00224
<a name="l00225"></a>00225 <span class="keywordflow">if</span> (<a class="code" href="classKNetwork_1_1KSocketBase.html#a10">socketDevice</a>()->socket() != -1)
<a name="l00226"></a>00226 {
<a name="l00227"></a>00227 <span class="comment">// we have an existing file descriptor</span>
<a name="l00228"></a>00228 <span class="comment">// this means that we've got activity in it (connection result)</span>
<a name="l00229"></a>00229 <span class="keywordflow">if</span> (<a class="code" href="classKNetwork_1_1KSocketBase.html#a10">socketDevice</a>()-><a class="code" href="classKNetwork_1_1KStreamSocket.html#a7">connect</a>(r) && <a class="code" href="classKNetwork_1_1KSocketBase.html#a10">socketDevice</a>()-><a class="code" href="classKNetwork_1_1KSocketBase.html#a13">error</a>() == NoError)
<a name="l00230"></a>00230 {
<a name="l00231"></a>00231 <span class="comment">// yes, it did connect!</span>
<a name="l00232"></a>00232 connectionSucceeded(r);
<a name="l00233"></a>00233 <span class="keywordflow">return</span>;
<a name="l00234"></a>00234 }
<a name="l00235"></a>00235 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (<a class="code" href="classKNetwork_1_1KSocketBase.html#a10">socketDevice</a>()-><a class="code" href="classKNetwork_1_1KSocketBase.html#a13">error</a>() == InProgress)
<a name="l00236"></a>00236 <span class="comment">// nope, still in progress</span>
<a name="l00237"></a>00237 <span class="keywordflow">return</span>;
<a name="l00238"></a>00238
<a name="l00239"></a>00239 <span class="comment">// no, the socket failed to connect</span>
<a name="l00240"></a>00240 <a class="code" href="classKNetwork_1_1KClientSocketBase.html#b3">copyError</a>();
<a name="l00241"></a>00241 <a class="code" href="classKNetwork_1_1KSocketBase.html#a10">socketDevice</a>()-><a class="code" href="classKNetwork_1_1KSocketDevice.html#a7">close</a>();
<a name="l00242"></a>00242 ++d->peer;
<a name="l00243"></a>00243 <span class="keywordflow">continue</span>;
<a name="l00244"></a>00244 }
<a name="l00245"></a>00245
<a name="l00246"></a>00246 <span class="comment">// try to bind</span>
<a name="l00247"></a>00247 <span class="keywordflow">if</span> (!bindLocallyFor(r))
<a name="l00248"></a>00248 {
<a name="l00249"></a>00249 <span class="comment">// could not find a matching family</span>
<a name="l00250"></a>00250 ++d->peer;
<a name="l00251"></a>00251 <span class="keywordflow">continue</span>;
<a name="l00252"></a>00252 }
<a name="l00253"></a>00253
<a name="l00254"></a>00254 {
<a name="l00255"></a>00255 <span class="keywordtype">bool</span> skip = <span class="keyword">false</span>;
<a name="l00256"></a>00256 emit <a class="code" href="classKNetwork_1_1KClientSocketBase.html#l4">aboutToConnect</a>(r, skip);
<a name="l00257"></a>00257 <span class="keywordflow">if</span> (skip)
<a name="l00258"></a>00258 {
<a name="l00259"></a>00259 ++d->peer;
<a name="l00260"></a>00260 <span class="keywordflow">continue</span>;
<a name="l00261"></a>00261 }
<a name="l00262"></a>00262 }
<a name="l00263"></a>00263
<a name="l00264"></a>00264 <span class="keywordflow">if</span> (<a class="code" href="classKNetwork_1_1KSocketBase.html#a10">socketDevice</a>()-><a class="code" href="classKNetwork_1_1KStreamSocket.html#a7">connect</a>(r) || <a class="code" href="classKNetwork_1_1KSocketBase.html#a10">socketDevice</a>()-><a class="code" href="classKNetwork_1_1KSocketBase.html#a13">error</a>() == InProgress)
<a name="l00265"></a>00265 {
<a name="l00266"></a>00266 <span class="comment">// socket is attempting to connect</span>
<a name="l00267"></a>00267 <span class="keywordflow">if</span> (<a class="code" href="classKNetwork_1_1KSocketBase.html#a10">socketDevice</a>()-><a class="code" href="classKNetwork_1_1KSocketBase.html#a13">error</a>() == InProgress)
<a name="l00268"></a>00268 {
<a name="l00269"></a>00269 <a class="codeRef" doxygen="qt.tag:" href="qsocketnotifier.html">QSocketNotifier</a> *n = <a class="code" href="classKNetwork_1_1KSocketBase.html#a10">socketDevice</a>()-><a class="code" href="classKNetwork_1_1KSocketDevice.html#a27">readNotifier</a>();
<a name="l00270"></a>00270 <a class="codeRef" doxygen="qt.tag:" href="qobject.html#connect">QObject::connect</a>(n, SIGNAL(activated(<span class="keywordtype">int</span>)),
<a name="l00271"></a>00271 <span class="keyword">this</span>, SLOT(connectionEvent()));
<a name="l00272"></a>00272 n-><a class="codeRef" doxygen="qt.tag:" href="qsocketnotifier.html#setEnabled">setEnabled</a>(<span class="keyword">true</span>);
<a name="l00273"></a>00273
<a name="l00274"></a>00274 n = <a class="code" href="classKNetwork_1_1KSocketBase.html#a10">socketDevice</a>()-><a class="code" href="classKNetwork_1_1KSocketDevice.html#a28">writeNotifier</a>();
<a name="l00275"></a>00275 <a class="codeRef" doxygen="qt.tag:" href="qobject.html#connect">QObject::connect</a>(n, SIGNAL(activated(<span class="keywordtype">int</span>)),
<a name="l00276"></a>00276 <span class="keyword">this</span>, SLOT(connectionEvent()));
<a name="l00277"></a>00277 n-><a class="codeRef" doxygen="qt.tag:" href="qsocketnotifier.html#setEnabled">setEnabled</a>(<span class="keyword">true</span>);
<a name="l00278"></a>00278
<a name="l00279"></a>00279 <span class="keywordflow">return</span>; <span class="comment">// wait for activity</span>
<a name="l00280"></a>00280 }
<a name="l00281"></a>00281
<a name="l00282"></a>00282 <span class="comment">// socket has connected</span>
<a name="l00283"></a>00283 connectionSucceeded(r);
<a name="l00284"></a>00284 <span class="keywordflow">return</span>;
<a name="l00285"></a>00285 }
<a name="l00286"></a>00286
<a name="l00287"></a>00287 <span class="comment">// connection failed</span>
<a name="l00288"></a>00288 <span class="comment">// try next</span>
<a name="l00289"></a>00289 <a class="code" href="classKNetwork_1_1KClientSocketBase.html#b3">copyError</a>();
<a name="l00290"></a>00290 <a class="code" href="classKNetwork_1_1KSocketBase.html#a10">socketDevice</a>()-><a class="code" href="classKNetwork_1_1KSocketDevice.html#a7">close</a>();
<a name="l00291"></a>00291 ++d->peer;
<a name="l00292"></a>00292 }
<a name="l00293"></a>00293
<a name="l00294"></a>00294 <span class="comment">// that was the last item</span>
<a name="l00295"></a>00295 <a class="code" href="classKNetwork_1_1KSocketBase.html#a10">socketDevice</a>()-><a class="code" href="classKNetwork_1_1KSocketDevice.html#a5">setSocketOptions</a>(<a class="code" href="classKNetwork_1_1KSocketBase.html#b1">socketOptions</a>());
<a name="l00296"></a>00296 <a class="code" href="classKNetwork_1_1KClientSocketBase.html#b1">setState</a>(Idle);
<a name="l00297"></a>00297 emit <a class="code" href="classKNetwork_1_1KClientSocketBase.html#l0">stateChanged</a>(Idle);
<a name="l00298"></a>00298 emit <a class="code" href="classKNetwork_1_1KClientSocketBase.html#l1">gotError</a>(<a class="code" href="classKNetwork_1_1KSocketBase.html#a13">error</a>());
<a name="l00299"></a>00299 <span class="keywordflow">return</span>;
<a name="l00300"></a>00300 }
<a name="l00301"></a>00301
<a name="l00302"></a>00302 <span class="keywordtype">void</span> KStreamSocket::timeoutSlot()
<a name="l00303"></a>00303 {
<a name="l00304"></a>00304 <span class="keywordflow">if</span> (<a class="code" href="classKNetwork_1_1KClientSocketBase.html#a2">state</a>() != Connecting)
<a name="l00305"></a>00305 <span class="keywordflow">return</span>;
<a name="l00306"></a>00306
<a name="l00307"></a>00307 <span class="comment">// halt the connections</span>
<a name="l00308"></a>00308 <a class="code" href="classKNetwork_1_1KSocketBase.html#a10">socketDevice</a>()-><a class="code" href="classKNetwork_1_1KSocketDevice.html#a7">close</a>(); <span class="comment">// this also kills the notifiers</span>
<a name="l00309"></a>00309
<a name="l00310"></a>00310 <a class="code" href="classKNetwork_1_1KActiveSocketBase.html#b0">setError</a>(IO_TimeOutError, Timeout);
<a name="l00311"></a>00311 <a class="code" href="classKNetwork_1_1KClientSocketBase.html#b1">setState</a>(HostFound);
<a name="l00312"></a>00312 emit <a class="code" href="classKNetwork_1_1KClientSocketBase.html#l0">stateChanged</a>(HostFound);
<a name="l00313"></a>00313
<a name="l00314"></a>00314 <a class="codeRef" doxygen="qt.tag:" href="qguardedptr.html">QGuardedPtr<KStreamSocket></a> that = <span class="keyword">this</span>;
<a name="l00315"></a>00315 emit <a class="code" href="classKNetwork_1_1KClientSocketBase.html#l1">gotError</a>(Timeout);
<a name="l00316"></a>00316 <span class="keywordflow">if</span> (!that.<a class="codeRef" doxygen="qt.tag:" href="qguardedptr.html#isNull">isNull</a>())
<a name="l00317"></a>00317 emit <a class="code" href="classKNetwork_1_1KStreamSocket.html#l0">timedOut</a>();
<a name="l00318"></a>00318 }
<a name="l00319"></a>00319
<a name="l00320"></a>00320 <span class="keywordtype">bool</span> KStreamSocket::bindLocallyFor(<span class="keyword">const</span> <a class="code" href="classKNetwork_1_1KResolverEntry.html">KResolverEntry</a>& peer)
<a name="l00321"></a>00321 {
<a name="l00322"></a>00322 <span class="keyword">const</span> <a class="code" href="classKNetwork_1_1KResolverResults.html">KResolverResults</a>& local = <a class="code" href="classKNetwork_1_1KClientSocketBase.html#a6">localResults</a>();
<a name="l00323"></a>00323
<a name="l00324"></a>00324 <span class="keywordflow">if</span> (local.<a class="codeRef" doxygen="qt.tag:" href="qvaluelist.html#isEmpty">isEmpty</a>())
<a name="l00325"></a>00325 <span class="comment">// user doesn't want to bind to any specific local address</span>
<a name="l00326"></a>00326 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00327"></a>00327
<a name="l00328"></a>00328 <span class="keywordtype">bool</span> foundone = <span class="keyword">false</span>;
<a name="l00329"></a>00329 <span class="comment">// scan the local resolution for a matching family</span>
<a name="l00330"></a>00330 <span class="keywordflow">for</span> (d->local = local.<a class="codeRef" doxygen="qt.tag:" href="qvaluelist.html#begin">begin</a>(); d->local != local.<a class="codeRef" doxygen="qt.tag:" href="qvaluelist.html#end">end</a>(); ++d->local)
<a name="l00331"></a>00331 <span class="keywordflow">if</span> ((*d->local).family() == peer.<a class="code" href="classKNetwork_1_1KResolverEntry.html#a7">family</a>())
<a name="l00332"></a>00332 {
<a name="l00333"></a>00333 <span class="comment">// found a suitable address!</span>
<a name="l00334"></a>00334 foundone = <span class="keyword">true</span>;
<a name="l00335"></a>00335
<a name="l00336"></a>00336 <span class="keywordflow">if</span> (<a class="code" href="classKNetwork_1_1KSocketBase.html#a10">socketDevice</a>()-><a class="code" href="classKNetwork_1_1KStreamSocket.html#a5">bind</a>(*d->local))
<a name="l00337"></a>00337 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00338"></a>00338 }
<a name="l00339"></a>00339
<a name="l00340"></a>00340 <span class="keywordflow">if</span> (!foundone)
<a name="l00341"></a>00341 {
<a name="l00342"></a>00342 <span class="comment">// found nothing</span>
<a name="l00343"></a>00343 <a class="code" href="classKNetwork_1_1KActiveSocketBase.html#b0">setError</a>(IO_BindError, NotSupported);
<a name="l00344"></a>00344 emit <a class="code" href="classKNetwork_1_1KClientSocketBase.html#l1">gotError</a>(NotSupported);
<a name="l00345"></a>00345 }
<a name="l00346"></a>00346 <span class="keywordflow">else</span>
<a name="l00347"></a>00347 <a class="code" href="classKNetwork_1_1KClientSocketBase.html#b3">copyError</a>();
<a name="l00348"></a>00348 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00349"></a>00349 }
<a name="l00350"></a>00350
<a name="l00351"></a>00351 <span class="keywordtype">void</span> KStreamSocket::connectionSucceeded(<span class="keyword">const</span> <a class="code" href="classKNetwork_1_1KResolverEntry.html">KResolverEntry</a>& peer)
<a name="l00352"></a>00352 {
<a name="l00353"></a>00353 <a class="codeRef" doxygen="qt.tag:" href="qobject.html#disconnect">QObject::disconnect</a>(<a class="code" href="classKNetwork_1_1KSocketBase.html#a10">socketDevice</a>()->readNotifier(), 0, <span class="keyword">this</span>, SLOT(connectionEvent()));
<a name="l00354"></a>00354 <a class="codeRef" doxygen="qt.tag:" href="qobject.html#disconnect">QObject::disconnect</a>(<a class="code" href="classKNetwork_1_1KSocketBase.html#a10">socketDevice</a>()->writeNotifier(), 0, <span class="keyword">this</span>, SLOT(connectionEvent()));
<a name="l00355"></a>00355
<a name="l00356"></a>00356 <a class="code" href="classKNetwork_1_1KActiveSocketBase.html#b1">resetError</a>();
<a name="l00357"></a>00357 <a class="codeRef" doxygen="qt.tag:" href="qiodevice.html#setFlags">setFlags</a>(IO_Sequential | IO_Raw | IO_ReadWrite | IO_Open | IO_Async);
<a name="l00358"></a>00358 <a class="code" href="classKNetwork_1_1KClientSocketBase.html#b1">setState</a>(Connected);
<a name="l00359"></a>00359 <a class="code" href="classKNetwork_1_1KSocketBase.html#a10">socketDevice</a>()-><a class="code" href="classKNetwork_1_1KSocketDevice.html#a5">setSocketOptions</a>(<a class="code" href="classKNetwork_1_1KSocketBase.html#b1">socketOptions</a>());
<a name="l00360"></a>00360 d->timer.stop();
<a name="l00361"></a>00361 emit <a class="code" href="classKNetwork_1_1KClientSocketBase.html#l0">stateChanged</a>(Connected);
<a name="l00362"></a>00362
<a name="l00363"></a>00363 <span class="keywordflow">if</span> (!<a class="code" href="classKNetwork_1_1KClientSocketBase.html#a6">localResults</a>().isEmpty())
<a name="l00364"></a>00364 emit <a class="code" href="classKNetwork_1_1KClientSocketBase.html#l3">bound</a>(*d->local);
<a name="l00365"></a>00365 emit <a class="code" href="classKNetwork_1_1KClientSocketBase.html#l5">connected</a>(peer);
<a name="l00366"></a>00366 }
<a name="l00367"></a>00367
<a name="l00368"></a>00368 <span class="preprocessor">#include "kstreamsocket.moc"</span>
</pre></div> </div></div>
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