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<h1>slave.cpp</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span>
<a name="l00002"></a>00002 <span class="comment"> * This file is part of the KDE libraries</span>
<a name="l00003"></a>00003 <span class="comment"> * Copyright (c) 2000 Waldo Bastian <bastian@kde.org></span>
<a name="l00004"></a>00004 <span class="comment"> * 2000 Stephan Kulow <coolo@kde.org></span>
<a name="l00005"></a>00005 <span class="comment"> *</span>
<a name="l00006"></a>00006 <span class="comment"> * $Id: slave.cpp 467686 2005-10-05 23:00:10Z dfaure $</span>
<a name="l00007"></a>00007 <span class="comment"> *</span>
<a name="l00008"></a>00008 <span class="comment"> * This library is free software; you can redistribute it and/or</span>
<a name="l00009"></a>00009 <span class="comment"> * modify it under the terms of the GNU Library General Public</span>
<a name="l00010"></a>00010 <span class="comment"> * License version 2 as published by the Free Software Foundation.</span>
<a name="l00011"></a>00011 <span class="comment"> *</span>
<a name="l00012"></a>00012 <span class="comment"> * This library is distributed in the hope that it will be useful,</span>
<a name="l00013"></a>00013 <span class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00014"></a>00014 <span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</span>
<a name="l00015"></a>00015 <span class="comment"> * Library General Public License for more details.</span>
<a name="l00016"></a>00016 <span class="comment"> *</span>
<a name="l00017"></a>00017 <span class="comment"> * You should have received a copy of the GNU Library General Public License</span>
<a name="l00018"></a>00018 <span class="comment"> * along with this library; see the file COPYING.LIB. If not, write to</span>
<a name="l00019"></a>00019 <span class="comment"> * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,</span>
<a name="l00020"></a>00020 <span class="comment"> * Boston, MA 02110-1301, USA.</span>
<a name="l00021"></a>00021 <span class="comment"> **/</span>
<a name="l00022"></a>00022
<a name="l00023"></a>00023 <span class="preprocessor">#include <config.h></span>
<a name="l00024"></a>00024
<a name="l00025"></a>00025 <span class="preprocessor">#include <time.h></span>
<a name="l00026"></a>00026 <span class="preprocessor">#include <errno.h></span>
<a name="l00027"></a>00027 <span class="preprocessor">#include <unistd.h></span>
<a name="l00028"></a>00028 <span class="preprocessor">#include <stdlib.h></span>
<a name="l00029"></a>00029 <span class="preprocessor">#include <stdio.h></span>
<a name="l00030"></a>00030 <span class="preprocessor">#include <signal.h></span>
<a name="l00031"></a>00031 <span class="preprocessor">#include <sys/types.h></span>
<a name="l00032"></a>00032
<a name="l00033"></a>00033 <span class="preprocessor">#include <qfile.h></span>
<a name="l00034"></a>00034 <span class="preprocessor">#include <qtimer.h></span>
<a name="l00035"></a>00035
<a name="l00036"></a>00036 <span class="preprocessor">#include <dcopclient.h></span>
<a name="l00037"></a>00037 <span class="preprocessor">#include <kdebug.h></span>
<a name="l00038"></a>00038 <span class="preprocessor">#include <klocale.h></span>
<a name="l00039"></a>00039 <span class="preprocessor">#include <kglobal.h></span>
<a name="l00040"></a>00040 <span class="preprocessor">#include <kstandarddirs.h></span>
<a name="l00041"></a>00041 <span class="preprocessor">#include <kapplication.h></span>
<a name="l00042"></a>00042 <span class="preprocessor">#include <ktempfile.h></span>
<a name="l00043"></a>00043 <span class="preprocessor">#include <ksock.h></span>
<a name="l00044"></a>00044 <span class="preprocessor">#include <kprocess.h></span>
<a name="l00045"></a>00045 <span class="preprocessor">#include <klibloader.h></span>
<a name="l00046"></a>00046
<a name="l00047"></a>00047 <span class="preprocessor">#include "kio/dataprotocol.h"</span>
<a name="l00048"></a>00048 <span class="preprocessor">#include "kio/slave.h"</span>
<a name="l00049"></a>00049 <span class="preprocessor">#include "kio/kservice.h"</span>
<a name="l00050"></a>00050 <span class="preprocessor">#include <kio/global.h></span>
<a name="l00051"></a>00051 <span class="preprocessor">#include <kprotocolmanager.h></span>
<a name="l00052"></a>00052 <span class="preprocessor">#include <kprotocolinfo.h></span>
<a name="l00053"></a>00053
<a name="l00054"></a>00054 <span class="preprocessor">#ifdef HAVE_PATHS_H</span>
<a name="l00055"></a>00055 <span class="preprocessor"></span><span class="preprocessor">#include <paths.h></span>
<a name="l00056"></a>00056 <span class="preprocessor">#endif</span>
<a name="l00057"></a>00057 <span class="preprocessor"></span>
<a name="l00058"></a>00058 <span class="preprocessor">#ifndef _PATH_TMP</span>
<a name="l00059"></a>00059 <span class="preprocessor"></span><span class="preprocessor">#define _PATH_TMP "/tmp"</span>
<a name="l00060"></a>00060 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
<a name="l00061"></a>00061 <span class="preprocessor"></span>
<a name="l00062"></a>00062 <span class="keyword">using</span> <span class="keyword">namespace </span>KIO;
<a name="l00063"></a>00063
<a name="l00064"></a>00064 <span class="preprocessor">#define SLAVE_CONNECTION_TIMEOUT_MIN 2</span>
<a name="l00065"></a>00065 <span class="preprocessor"></span>
<a name="l00066"></a>00066 <span class="comment">// Without debug info we consider it an error if the slave doesn't connect</span>
<a name="l00067"></a>00067 <span class="comment">// within 10 seconds.</span>
<a name="l00068"></a>00068 <span class="comment">// With debug info we give the slave an hour so that developers have a chance</span>
<a name="l00069"></a>00069 <span class="comment">// to debug their slave.</span>
<a name="l00070"></a>00070 <span class="preprocessor">#ifdef NDEBUG</span>
<a name="l00071"></a>00071 <span class="preprocessor"></span><span class="preprocessor">#define SLAVE_CONNECTION_TIMEOUT_MAX 10</span>
<a name="l00072"></a>00072 <span class="preprocessor"></span><span class="preprocessor">#else</span>
<a name="l00073"></a>00073 <span class="preprocessor"></span><span class="preprocessor">#define SLAVE_CONNECTION_TIMEOUT_MAX 3600</span>
<a name="l00074"></a>00074 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
<a name="l00075"></a>00075 <span class="preprocessor"></span>
<a name="l00076"></a>00076 <span class="keyword">namespace </span>KIO {
<a name="l00077"></a>00077
<a name="l00081"></a>00081 <span class="keyword">class </span>SlavePrivate {
<a name="l00082"></a>00082 <span class="keyword">public</span>:
<a name="l00083"></a>00083 <span class="keywordtype">bool</span> derived; <span class="comment">// true if this instance of Slave is actually an</span>
<a name="l00084"></a>00084 <span class="comment">// instance of a derived class.</span>
<a name="l00085"></a>00085
<a name="l00086"></a>00086 SlavePrivate(<span class="keywordtype">bool</span> derived) : derived(derived) {}
<a name="l00087"></a>00087 };
<a name="l00088"></a>00088 }
<a name="l00089"></a>00089
<a name="l00090"></a><a class="code" href="classKIO_1_1Slave.html#i0">00090</a> <span class="keywordtype">void</span> Slave::accept(KSocket *socket)
<a name="l00091"></a>00091 {
<a name="l00092"></a>00092 <span class="preprocessor">#ifndef Q_WS_WIN</span>
<a name="l00093"></a>00093 <span class="preprocessor"></span> slaveconn.<a class="code" href="classKIO_1_1Connection.html#a2">init</a>(socket);
<a name="l00094"></a>00094 <span class="preprocessor">#endif</span>
<a name="l00095"></a>00095 <span class="preprocessor"></span> <span class="keyword">delete</span> serv;
<a name="l00096"></a>00096 serv = 0;
<a name="l00097"></a>00097 slaveconn.<a class="code" href="classKIO_1_1Connection.html#a4">connect</a>(<span class="keyword">this</span>, SLOT(<a class="code" href="classKIO_1_1Slave.html#i1">gotInput</a>()));
<a name="l00098"></a>00098 <a class="code" href="classKIO_1_1Slave.html#b1">unlinkSocket</a>();
<a name="l00099"></a>00099 }
<a name="l00100"></a>00100
<a name="l00101"></a><a class="code" href="classKIO_1_1Slave.html#b1">00101</a> <span class="keywordtype">void</span> <a class="code" href="classKIO_1_1Slave.html#b1">Slave::unlinkSocket</a>()
<a name="l00102"></a>00102 {
<a name="l00103"></a>00103 <span class="keywordflow">if</span> (m_socket.<a class="codeRef" doxygen="qt.tag:" href="qstring.html#isEmpty">isEmpty</a>()) <span class="keywordflow">return</span>;
<a name="l00104"></a>00104 <a class="codeRef" doxygen="qt.tag:" href="qcstring.html">QCString</a> filename = <a class="codeRef" doxygen="qt.tag:" href="qfile.html#encodeName">QFile::encodeName</a>(m_socket);
<a name="l00105"></a>00105 unlink(filename.data());
<a name="l00106"></a>00106 m_socket = QString::null;
<a name="l00107"></a>00107 }
<a name="l00108"></a>00108
<a name="l00109"></a><a class="code" href="classKIO_1_1Slave.html#i2">00109</a> <span class="keywordtype">void</span> <a class="code" href="classKIO_1_1Slave.html#i2">Slave::timeout</a>()
<a name="l00110"></a>00110 {
<a name="l00111"></a>00111 <span class="keywordflow">if</span> (!serv) <span class="keywordflow">return</span>;
<a name="l00112"></a>00112 kdDebug(7002) << <span class="stringliteral">"slave failed to connect to application pid="</span> << m_pid << <span class="stringliteral">" protocol="</span> << m_protocol << endl;
<a name="l00113"></a>00113 <span class="keywordflow">if</span> (m_pid && (::<a class="code" href="classKIO_1_1Slave.html#a4">kill</a>(m_pid, 0) == 0))
<a name="l00114"></a>00114 {
<a name="l00115"></a>00115 <span class="keywordtype">int</span> delta_t = (int) difftime(time(0), contact_started);
<a name="l00116"></a>00116 kdDebug(7002) << <span class="stringliteral">"slave is slow... pid="</span> << m_pid << <span class="stringliteral">" t="</span> << delta_t << endl;
<a name="l00117"></a>00117 <span class="keywordflow">if</span> (delta_t < SLAVE_CONNECTION_TIMEOUT_MAX)
<a name="l00118"></a>00118 {
<a name="l00119"></a>00119 <a class="codeRef" doxygen="qt.tag:" href="qtimer.html#singleShot">QTimer::singleShot</a>(1000*SLAVE_CONNECTION_TIMEOUT_MIN, <span class="keyword">this</span>, SLOT(<a class="code" href="classKIO_1_1Slave.html#i2">timeout</a>()));
<a name="l00120"></a>00120 <span class="keywordflow">return</span>;
<a name="l00121"></a>00121 }
<a name="l00122"></a>00122 }
<a name="l00123"></a>00123 kdDebug(7002) << <span class="stringliteral">"Houston, we lost our slave, pid="</span> << m_pid << endl;
<a name="l00124"></a>00124 <span class="keyword">delete</span> serv;
<a name="l00125"></a>00125 serv = 0;
<a name="l00126"></a>00126 <a class="code" href="classKIO_1_1Slave.html#b1">unlinkSocket</a>();
<a name="l00127"></a>00127 dead = <span class="keyword">true</span>;
<a name="l00128"></a>00128 <a class="codeRef" doxygen="qt.tag:" href="qstring.html">QString</a> arg = m_protocol;
<a name="l00129"></a>00129 <span class="keywordflow">if</span> (!m_host.<a class="codeRef" doxygen="qt.tag:" href="qstring.html#isEmpty">isEmpty</a>())
<a name="l00130"></a>00130 arg += <span class="stringliteral">"://"</span>+m_host;
<a name="l00131"></a>00131 kdDebug(7002) << <span class="stringliteral">"slave died pid = "</span> << m_pid << endl;
<a name="l00132"></a>00132 <a class="code" href="classKIO_1_1Slave.html#a26">ref</a>();
<a name="l00133"></a>00133 <span class="comment">// Tell the job about the problem.</span>
<a name="l00134"></a>00134 emit error(ERR_SLAVE_DIED, arg);
<a name="l00135"></a>00135 <span class="comment">// Tell the scheduler about the problem.</span>
<a name="l00136"></a>00136 emit slaveDied(<span class="keyword">this</span>);
<a name="l00137"></a>00137 <span class="comment">// After the above signal we're dead!!</span>
<a name="l00138"></a>00138 <a class="code" href="classKIO_1_1Slave.html#a27">deref</a>();
<a name="l00139"></a>00139 }
<a name="l00140"></a>00140
<a name="l00141"></a><a class="code" href="classKIO_1_1Slave.html#a0">00141</a> <a class="code" href="classKIO_1_1Slave.html#b0">Slave::Slave</a>(KServerSocket *socket, <span class="keyword">const</span> <a class="codeRef" doxygen="qt.tag:" href="qstring.html">QString</a> &protocol, <span class="keyword">const</span> <a class="codeRef" doxygen="qt.tag:" href="qstring.html">QString</a> &socketname)
<a name="l00142"></a>00142 : <a class="code" href="classKIO_1_1SlaveInterface.html">SlaveInterface</a>(&slaveconn), serv(socket), contacted(false),
<a name="l00143"></a>00143 d(new SlavePrivate(false))
<a name="l00144"></a>00144 {
<a name="l00145"></a>00145 m_refCount = 1;
<a name="l00146"></a>00146 m_protocol = protocol;
<a name="l00147"></a>00147 m_slaveProtocol = protocol;
<a name="l00148"></a>00148 m_socket = socketname;
<a name="l00149"></a>00149 dead = <span class="keyword">false</span>;
<a name="l00150"></a>00150 contact_started = time(0);
<a name="l00151"></a>00151 idle_since = contact_started;
<a name="l00152"></a>00152 m_pid = 0;
<a name="l00153"></a>00153 m_port = 0;
<a name="l00154"></a>00154 <span class="preprocessor">#ifndef Q_WS_WIN</span>
<a name="l00155"></a>00155 <span class="preprocessor"></span> <a class="codeRef" doxygen="qt.tag:" href="qobject.html#connect">connect</a>(serv, SIGNAL(accepted( KSocket* )),
<a name="l00156"></a>00156 SLOT(<a class="code" href="classKIO_1_1Slave.html#i0">accept</a>(KSocket*) ) );
<a name="l00157"></a>00157 <span class="preprocessor">#endif</span>
<a name="l00158"></a>00158 <span class="preprocessor"></span>}
<a name="l00159"></a>00159
<a name="l00160"></a><a class="code" href="classKIO_1_1Slave.html#b0">00160</a> <a class="code" href="classKIO_1_1Slave.html#b0">Slave::Slave</a>(<span class="keywordtype">bool</span> <span class="comment">/*derived*/</span>, KServerSocket *socket, <span class="keyword">const</span> <a class="codeRef" doxygen="qt.tag:" href="qstring.html">QString</a> &protocol,
<a name="l00161"></a>00161 <span class="keyword">const</span> <a class="codeRef" doxygen="qt.tag:" href="qstring.html">QString</a> &socketname)
<a name="l00162"></a>00162 : <a class="code" href="classKIO_1_1SlaveInterface.html">SlaveInterface</a>(&slaveconn), serv(socket), contacted(false),
<a name="l00163"></a>00163 d(new SlavePrivate(true))
<a name="l00164"></a>00164 {
<a name="l00165"></a>00165 <span class="comment">// FIXME: hmm, duplicating code here from public ctor, no good (LS)</span>
<a name="l00166"></a>00166 m_refCount = 1;
<a name="l00167"></a>00167 m_protocol = protocol;
<a name="l00168"></a>00168 m_slaveProtocol = protocol;
<a name="l00169"></a>00169 m_socket = socketname;
<a name="l00170"></a>00170 dead = <span class="keyword">false</span>;
<a name="l00171"></a>00171 contact_started = time(0);
<a name="l00172"></a>00172 idle_since = contact_started;
<a name="l00173"></a>00173 m_pid = 0;
<a name="l00174"></a>00174 m_port = 0;
<a name="l00175"></a>00175 <span class="keywordflow">if</span> (serv != 0) {
<a name="l00176"></a>00176 <span class="preprocessor">#ifndef Q_WS_WIN</span>
<a name="l00177"></a>00177 <span class="preprocessor"></span> <a class="codeRef" doxygen="qt.tag:" href="qobject.html#connect">connect</a>(serv, SIGNAL(accepted( KSocket* )),
<a name="l00178"></a>00178 SLOT(<a class="code" href="classKIO_1_1Slave.html#i0">accept</a>(KSocket*) ) );
<a name="l00179"></a>00179 <span class="preprocessor">#endif</span>
<a name="l00180"></a>00180 <span class="preprocessor"></span> }
<a name="l00181"></a>00181 }
<a name="l00182"></a>00182
<a name="l00183"></a><a class="code" href="classKIO_1_1Slave.html#a1">00183</a> <a class="code" href="classKIO_1_1Slave.html#a1">Slave::~Slave</a>()
<a name="l00184"></a>00184 {
<a name="l00185"></a>00185 <span class="comment">// kdDebug(7002) << "destructing slave object pid = " << m_pid << endl;</span>
<a name="l00186"></a>00186 <span class="keywordflow">if</span> (serv != 0) {
<a name="l00187"></a>00187 <span class="keyword">delete</span> serv;
<a name="l00188"></a>00188 serv = 0;
<a name="l00189"></a>00189 }
<a name="l00190"></a>00190 <a class="code" href="classKIO_1_1Slave.html#b1">unlinkSocket</a>();
<a name="l00191"></a>00191 m_pid = 99999;
<a name="l00192"></a>00192 <span class="keyword">delete</span> d;
<a name="l00193"></a>00193 d = 0;
<a name="l00194"></a>00194 }
<a name="l00195"></a>00195
<a name="l00196"></a><a class="code" href="classKIO_1_1Slave.html#a10">00196</a> <span class="keywordtype">void</span> <a class="code" href="classKIO_1_1Slave.html#a10">Slave::setProtocol</a>(<span class="keyword">const</span> <a class="codeRef" doxygen="qt.tag:" href="qstring.html">QString</a> & protocol)
<a name="l00197"></a>00197 {
<a name="l00198"></a>00198 m_protocol = protocol;
<a name="l00199"></a>00199 }
<a name="l00200"></a>00200
<a name="l00201"></a><a class="code" href="classKIO_1_1Slave.html#a22">00201</a> <span class="keywordtype">void</span> <a class="code" href="classKIO_1_1Slave.html#a22">Slave::setIdle</a>()
<a name="l00202"></a>00202 {
<a name="l00203"></a>00203 idle_since = time(0);
<a name="l00204"></a>00204 }
<a name="l00205"></a>00205
<a name="l00206"></a><a class="code" href="classKIO_1_1Slave.html#a21">00206</a> time_t <a class="code" href="classKIO_1_1Slave.html#a21">Slave::idleTime</a>()
<a name="l00207"></a>00207 {
<a name="l00208"></a>00208 <span class="keywordflow">return</span> (time_t) difftime(time(0), idle_since);
<a name="l00209"></a>00209 }
<a name="l00210"></a>00210
<a name="l00211"></a><a class="code" href="classKIO_1_1Slave.html#a2">00211</a> <span class="keywordtype">void</span> <a class="code" href="classKIO_1_1Slave.html#a2">Slave::setPID</a>(pid_t pid)
<a name="l00212"></a>00212 {
<a name="l00213"></a>00213 m_pid = pid;
<a name="l00214"></a>00214 }
<a name="l00215"></a>00215
<a name="l00216"></a><a class="code" href="classKIO_1_1Slave.html#a20">00216</a> <span class="keywordtype">void</span> <a class="code" href="classKIO_1_1Slave.html#a20">Slave::hold</a>(<span class="keyword">const</span> KURL &url)
<a name="l00217"></a>00217 {
<a name="l00218"></a>00218 <span class="keywordflow">if</span> (d->derived) { <span class="comment">// TODO: clean up before KDE 4</span>
<a name="l00219"></a>00219 <a class="code" href="structKIO_1_1Slave_1_1HoldParams.html">HoldParams</a> params;
<a name="l00220"></a>00220 params.<a class="code" href="structKIO_1_1Slave_1_1HoldParams.html#o0">url</a> = &url;
<a name="l00221"></a>00221 <a class="code" href="classKIO_1_1Slave.html#b2">virtual_hook</a>(VIRTUAL_HOLD, &params);
<a name="l00222"></a>00222 <span class="keywordflow">return</span>;
<a name="l00223"></a>00223 }<span class="comment">/*end if*/</span>
<a name="l00224"></a>00224
<a name="l00225"></a>00225 <a class="code" href="classKIO_1_1Slave.html#a26">ref</a>();
<a name="l00226"></a>00226 {
<a name="l00227"></a>00227 <a class="codeRef" doxygen="qt.tag:" href="qbytearray.html">QByteArray</a> data;
<a name="l00228"></a>00228 <a class="codeRef" doxygen="qt.tag:" href="qdatastream.html">QDataStream</a> stream( data, IO_WriteOnly );
<a name="l00229"></a>00229 stream << url;
<a name="l00230"></a>00230 slaveconn.<a class="code" href="classKIO_1_1Connection.html#a9">send</a>( CMD_SLAVE_HOLD, data );
<a name="l00231"></a>00231 slaveconn.<a class="code" href="classKIO_1_1Connection.html#a5">close</a>();
<a name="l00232"></a>00232 dead = <span class="keyword">true</span>;
<a name="l00233"></a>00233 emit slaveDied(<span class="keyword">this</span>);
<a name="l00234"></a>00234 }
<a name="l00235"></a>00235 <a class="code" href="classKIO_1_1Slave.html#a27">deref</a>();
<a name="l00236"></a>00236 <span class="comment">// Call KLauncher::waitForSlave(pid);</span>
<a name="l00237"></a>00237 {
<a name="l00238"></a>00238 DCOPClient *client = kapp->dcopClient();
<a name="l00239"></a>00239 <span class="keywordflow">if</span> (!client->isAttached())
<a name="l00240"></a>00240 client->attach();
<a name="l00241"></a>00241
<a name="l00242"></a>00242 <a class="codeRef" doxygen="qt.tag:" href="qbytearray.html">QByteArray</a> params, reply;
<a name="l00243"></a>00243 <a class="codeRef" doxygen="qt.tag:" href="qcstring.html">QCString</a> replyType;
<a name="l00244"></a>00244 <a class="codeRef" doxygen="qt.tag:" href="qdatastream.html">QDataStream</a> stream(params, IO_WriteOnly);
<a name="l00245"></a>00245 pid_t pid = m_pid;
<a name="l00246"></a>00246 stream << pid;
<a name="l00247"></a>00247
<a name="l00248"></a>00248 <a class="codeRef" doxygen="qt.tag:" href="qcstring.html">QCString</a> launcher = KApplication::launcher();
<a name="l00249"></a>00249 client->call(launcher, launcher, <span class="stringliteral">"waitForSlave(pid_t)"</span>,
<a name="l00250"></a>00250 params, replyType, reply);
<a name="l00251"></a>00251 }
<a name="l00252"></a>00252 }
<a name="l00253"></a>00253
<a name="l00254"></a><a class="code" href="classKIO_1_1Slave.html#a16">00254</a> <span class="keywordtype">void</span> <a class="code" href="classKIO_1_1Slave.html#a16">Slave::suspend</a>()
<a name="l00255"></a>00255 {
<a name="l00256"></a>00256 <span class="keywordflow">if</span> (d->derived) { <span class="comment">// TODO: clean up before KDE 4</span>
<a name="l00257"></a>00257 <a class="code" href="classKIO_1_1Slave.html#b2">virtual_hook</a>(VIRTUAL_SUSPEND, 0);
<a name="l00258"></a>00258 <span class="keywordflow">return</span>;
<a name="l00259"></a>00259 }<span class="comment">/*end if*/</span>
<a name="l00260"></a>00260
<a name="l00261"></a>00261 slaveconn.<a class="code" href="classKIO_1_1Connection.html#a12">suspend</a>();
<a name="l00262"></a>00262 }
<a name="l00263"></a>00263
<a name="l00264"></a><a class="code" href="classKIO_1_1Slave.html#a17">00264</a> <span class="keywordtype">void</span> <a class="code" href="classKIO_1_1Slave.html#a17">Slave::resume</a>()
<a name="l00265"></a>00265 {
<a name="l00266"></a>00266 <span class="keywordflow">if</span> (d->derived) { <span class="comment">// TODO: clean up before KDE 4</span>
<a name="l00267"></a>00267 <a class="code" href="classKIO_1_1Slave.html#b2">virtual_hook</a>(VIRTUAL_RESUME, 0);
<a name="l00268"></a>00268 <span class="keywordflow">return</span>;
<a name="l00269"></a>00269 }<span class="comment">/*end if*/</span>
<a name="l00270"></a>00270
<a name="l00271"></a>00271 slaveconn.<a class="code" href="classKIO_1_1Connection.html#a13">resume</a>();
<a name="l00272"></a>00272 }
<a name="l00273"></a>00273
<a name="l00274"></a><a class="code" href="classKIO_1_1Slave.html#a18">00274</a> <span class="keywordtype">bool</span> <a class="code" href="classKIO_1_1Slave.html#a18">Slave::suspended</a>()
<a name="l00275"></a>00275 {
<a name="l00276"></a>00276 <span class="keywordflow">if</span> (d->derived) { <span class="comment">// TODO: clean up before KDE 4</span>
<a name="l00277"></a>00277 <a class="code" href="structKIO_1_1Slave_1_1SuspendedParams.html">SuspendedParams</a> params;
<a name="l00278"></a>00278 <a class="code" href="classKIO_1_1Slave.html#b2">virtual_hook</a>(VIRTUAL_SUSPENDED, &params);
<a name="l00279"></a>00279 <span class="keywordflow">return</span> params.<a class="code" href="structKIO_1_1Slave_1_1SuspendedParams.html#o0">retval</a>;
<a name="l00280"></a>00280 }<span class="comment">/*end if*/</span>
<a name="l00281"></a>00281
<a name="l00282"></a>00282 <span class="keywordflow">return</span> slaveconn.<a class="code" href="classKIO_1_1Connection.html#a14">suspended</a>();
<a name="l00283"></a>00283 }
<a name="l00284"></a>00284
<a name="l00285"></a><a class="code" href="classKIO_1_1Slave.html#a19">00285</a> <span class="keywordtype">void</span> <a class="code" href="classKIO_1_1Slave.html#a19">Slave::send</a>(<span class="keywordtype">int</span> cmd, <span class="keyword">const</span> <a class="codeRef" doxygen="qt.tag:" href="qbytearray.html">QByteArray</a> &arr) {
<a name="l00286"></a>00286 <span class="keywordflow">if</span> (d->derived) { <span class="comment">// TODO: clean up before KDE 4</span>
<a name="l00287"></a>00287 <a class="code" href="structKIO_1_1Slave_1_1SendParams.html">SendParams</a> params;
<a name="l00288"></a>00288 params.<a class="code" href="structKIO_1_1Slave_1_1SendParams.html#o0">cmd</a> = cmd;
<a name="l00289"></a>00289 params.<a class="code" href="structKIO_1_1Slave_1_1SendParams.html#o1">arr</a> = &arr;
<a name="l00290"></a>00290 <a class="code" href="classKIO_1_1Slave.html#b2">virtual_hook</a>(VIRTUAL_SEND, &params);
<a name="l00291"></a>00291 <span class="keywordflow">return</span>;
<a name="l00292"></a>00292 }<span class="comment">/*end if*/</span>
<a name="l00293"></a>00293
<a name="l00294"></a>00294 slaveconn.<a class="code" href="classKIO_1_1Connection.html#a9">send</a>(cmd, arr);
<a name="l00295"></a>00295 }
<a name="l00296"></a>00296
<a name="l00297"></a><a class="code" href="classKIO_1_1Slave.html#i1">00297</a> <span class="keywordtype">void</span> <a class="code" href="classKIO_1_1Slave.html#i1">Slave::gotInput</a>()
<a name="l00298"></a>00298 {
<a name="l00299"></a>00299 <a class="code" href="classKIO_1_1Slave.html#a26">ref</a>();
<a name="l00300"></a>00300 <span class="keywordflow">if</span> (!<a class="code" href="classKIO_1_1SlaveInterface.html#b0">dispatch</a>())
<a name="l00301"></a>00301 {
<a name="l00302"></a>00302 slaveconn.<a class="code" href="classKIO_1_1Connection.html#a5">close</a>();
<a name="l00303"></a>00303 dead = <span class="keyword">true</span>;
<a name="l00304"></a>00304 <a class="codeRef" doxygen="qt.tag:" href="qstring.html">QString</a> arg = m_protocol;
<a name="l00305"></a>00305 <span class="keywordflow">if</span> (!m_host.<a class="codeRef" doxygen="qt.tag:" href="qstring.html#isEmpty">isEmpty</a>())
<a name="l00306"></a>00306 arg += <span class="stringliteral">"://"</span>+m_host;
<a name="l00307"></a>00307 kdDebug(7002) << <span class="stringliteral">"slave died pid = "</span> << m_pid << endl;
<a name="l00308"></a>00308 <span class="comment">// Tell the job about the problem.</span>
<a name="l00309"></a>00309 emit error(ERR_SLAVE_DIED, arg);
<a name="l00310"></a>00310 <span class="comment">// Tell the scheduler about the problem.</span>
<a name="l00311"></a>00311 emit slaveDied(<span class="keyword">this</span>);
<a name="l00312"></a>00312 }
<a name="l00313"></a>00313 <a class="code" href="classKIO_1_1Slave.html#a27">deref</a>();
<a name="l00314"></a>00314 <span class="comment">// Here we might be dead!!</span>
<a name="l00315"></a>00315 }
<a name="l00316"></a>00316
<a name="l00317"></a><a class="code" href="classKIO_1_1Slave.html#a4">00317</a> <span class="keywordtype">void</span> <a class="code" href="classKIO_1_1Slave.html#a4">Slave::kill</a>()
<a name="l00318"></a>00318 {
<a name="l00319"></a>00319 dead = <span class="keyword">true</span>; <span class="comment">// OO can be such simple.</span>
<a name="l00320"></a>00320 kdDebug(7002) << <span class="stringliteral">"killing slave pid="</span> << m_pid << <span class="stringliteral">" ("</span> << m_protocol << <span class="stringliteral">"://"</span>
<a name="l00321"></a>00321 << m_host << <span class="stringliteral">")"</span> << endl;
<a name="l00322"></a>00322 <span class="keywordflow">if</span> (m_pid)
<a name="l00323"></a>00323 {<a class="code" href="classKIO_1_1Slave.html#a4"></a>
<a name="l00324"></a>00324 <a class="code" href="classKIO_1_1Slave.html#a4"> ::kill</a>(m_pid, SIGTERM);
<a name="l00325"></a>00325 }
<a name="l00326"></a>00326 }
<a name="l00327"></a>00327
<a name="l00328"></a><a class="code" href="classKIO_1_1Slave.html#a6">00328</a> <span class="keywordtype">void</span> <a class="code" href="classKIO_1_1Slave.html#a6">Slave::setHost</a>( <span class="keyword">const</span> <a class="codeRef" doxygen="qt.tag:" href="qstring.html">QString</a> &host, <span class="keywordtype">int</span> port,
<a name="l00329"></a>00329 <span class="keyword">const</span> <a class="codeRef" doxygen="qt.tag:" href="qstring.html">QString</a> &user, <span class="keyword">const</span> <a class="codeRef" doxygen="qt.tag:" href="qstring.html">QString</a> &passwd)
<a name="l00330"></a>00330 {
<a name="l00331"></a>00331 m_host = host;
<a name="l00332"></a>00332 m_port = port;
<a name="l00333"></a>00333 m_user = user;
<a name="l00334"></a>00334 m_passwd = passwd;
<a name="l00335"></a>00335
<a name="l00336"></a>00336 <a class="codeRef" doxygen="qt.tag:" href="qbytearray.html">QByteArray</a> data;
<a name="l00337"></a>00337 <a class="codeRef" doxygen="qt.tag:" href="qdatastream.html">QDataStream</a> stream( data, IO_WriteOnly );
<a name="l00338"></a>00338 stream << m_host << m_port << m_user << m_passwd;
<a name="l00339"></a>00339 slaveconn.<a class="code" href="classKIO_1_1Connection.html#a9">send</a>( CMD_HOST, data );
<a name="l00340"></a>00340 }
<a name="l00341"></a>00341
<a name="l00342"></a><a class="code" href="classKIO_1_1Slave.html#a7">00342</a> <span class="keywordtype">void</span> <a class="code" href="classKIO_1_1Slave.html#a7">Slave::resetHost</a>()
<a name="l00343"></a>00343 {
<a name="l00344"></a>00344 m_host = <span class="stringliteral">"<reset>"</span>;
<a name="l00345"></a>00345 }
<a name="l00346"></a>00346
<a name="l00347"></a><a class="code" href="classKIO_1_1Slave.html#a8">00347</a> <span class="keywordtype">void</span> <a class="code" href="classKIO_1_1Slave.html#a8">Slave::setConfig</a>(<span class="keyword">const</span> <a class="code" href="classKIO_1_1MetaData.html">MetaData</a> &config)
<a name="l00348"></a>00348 {
<a name="l00349"></a>00349 <a class="codeRef" doxygen="qt.tag:" href="qbytearray.html">QByteArray</a> data;
<a name="l00350"></a>00350 <a class="codeRef" doxygen="qt.tag:" href="qdatastream.html">QDataStream</a> stream( data, IO_WriteOnly );
<a name="l00351"></a>00351 stream << config;
<a name="l00352"></a>00352 slaveconn.<a class="code" href="classKIO_1_1Connection.html#a9">send</a>( CMD_CONFIG, data );
<a name="l00353"></a>00353 }
<a name="l00354"></a>00354
<a name="l00355"></a><a class="code" href="classKIO_1_1Slave.html#e0">00355</a> <a class="code" href="classKIO_1_1Slave.html">Slave</a>* <a class="code" href="classKIO_1_1Slave.html#e0">Slave::createSlave</a>( <span class="keyword">const</span> <a class="codeRef" doxygen="qt.tag:" href="qstring.html">QString</a> &protocol, <span class="keyword">const</span> KURL& url, <span class="keywordtype">int</span>& error, <a class="codeRef" doxygen="qt.tag:" href="qstring.html">QString</a>& error_text )
<a name="l00356"></a>00356 {
<a name="l00357"></a>00357 <span class="comment">//kdDebug(7002) << "createSlave '" << protocol << "' for " << url.prettyURL() << endl;</span>
<a name="l00358"></a>00358 <span class="comment">// Firstly take into account all special slaves</span>
<a name="l00359"></a>00359 <span class="keywordflow">if</span> (protocol == <span class="stringliteral">"data"</span>)
<a name="l00360"></a>00360 <span class="keywordflow">return</span> <span class="keyword">new</span> <a class="code" href="classKIO_1_1DataProtocol.html">DataProtocol</a>();
<a name="l00361"></a>00361
<a name="l00362"></a>00362 DCOPClient *client = kapp->dcopClient();
<a name="l00363"></a>00363 <span class="keywordflow">if</span> (!client->isAttached())
<a name="l00364"></a>00364 client->attach();
<a name="l00365"></a>00365
<a name="l00366"></a>00366 <a class="codeRef" doxygen="qt.tag:" href="qstring.html">QString</a> prefix = locateLocal(<span class="stringliteral">"socket"</span>, KGlobal::instance()->instanceName());
<a name="l00367"></a>00367 KTempFile socketfile(prefix, <a class="codeRef" doxygen="qt.tag:" href="qstring.html#fromLatin1">QString::fromLatin1</a>(<span class="stringliteral">".slave-socket"</span>));
<a name="l00368"></a>00368 <span class="keywordflow">if</span> ( socketfile.status() != 0 )
<a name="l00369"></a>00369 {
<a name="l00370"></a>00370 error_text = i18n(<span class="stringliteral">"Unable to create io-slave: %1"</span>).<a class="codeRef" doxygen="qt.tag:" href="qstring.html#arg">arg</a>(strerror(errno));
<a name="l00371"></a>00371 error = KIO::ERR_CANNOT_LAUNCH_PROCESS;
<a name="l00372"></a>00372 <span class="keywordflow">return</span> 0;
<a name="l00373"></a>00373 }
<a name="l00374"></a>00374
<a name="l00375"></a>00375 <span class="preprocessor">#ifdef __CYGWIN__</span>
<a name="l00376"></a>00376 <span class="preprocessor"></span> socketfile.close();
<a name="l00377"></a>00377 <span class="preprocessor">#endif</span>
<a name="l00378"></a>00378 <span class="preprocessor"></span>
<a name="l00379"></a>00379 <span class="preprocessor">#ifndef Q_WS_WIN</span>
<a name="l00380"></a>00380 <span class="preprocessor"></span> KServerSocket *kss = <span class="keyword">new</span> KServerSocket(<a class="codeRef" doxygen="qt.tag:" href="qfile.html#encodeName">QFile::encodeName</a>(socketfile.name()));
<a name="l00381"></a>00381
<a name="l00382"></a>00382 <a class="code" href="classKIO_1_1Slave.html">Slave</a> *slave = <span class="keyword">new</span> <a class="code" href="classKIO_1_1Slave.html#b0">Slave</a>(kss, protocol, socketfile.name());
<a name="l00383"></a>00383 <span class="preprocessor">#else</span>
<a name="l00384"></a>00384 <span class="preprocessor"></span> <a class="code" href="classKIO_1_1Slave.html">Slave</a> *slave = 0;
<a name="l00385"></a>00385 <span class="preprocessor">#endif</span>
<a name="l00386"></a>00386 <span class="preprocessor"></span>
<a name="l00387"></a>00387 <span class="comment">// WABA: if the dcopserver is running under another uid we don't ask</span>
<a name="l00388"></a>00388 <span class="comment">// klauncher for a slave, because the slave might have that other uid</span>
<a name="l00389"></a>00389 <span class="comment">// as well, which might either be a) undesired or b) make it impossible</span>
<a name="l00390"></a>00390 <span class="comment">// for the slave to connect to the application.</span>
<a name="l00391"></a>00391 <span class="comment">// In such case we start the slave via KProcess.</span>
<a name="l00392"></a>00392 <span class="comment">// It's possible to force this by setting the env. variable</span>
<a name="l00393"></a>00393 <span class="comment">// KDE_FORK_SLAVES, Clearcase seems to require this.</span>
<a name="l00394"></a>00394 <span class="keyword">static</span> <span class="keywordtype">bool</span> bForkSlaves = !<a class="codeRef" doxygen="qt.tag:" href="qcstring.html">QCString</a>(getenv(<span class="stringliteral">"KDE_FORK_SLAVES"</span>)).isEmpty();
<a name="l00395"></a>00395
<a name="l00396"></a>00396 <span class="keywordflow">if</span> (bForkSlaves || !client->isAttached() || client->isAttachedToForeignServer())
<a name="l00397"></a>00397 {
<a name="l00398"></a>00398 <a class="codeRef" doxygen="qt.tag:" href="qstring.html">QString</a> _name = <a class="code" href="classKProtocolInfo.html#e3">KProtocolInfo::exec</a>(protocol);
<a name="l00399"></a>00399 <span class="keywordflow">if</span> (_name.<a class="codeRef" doxygen="qt.tag:" href="qstring.html#isEmpty">isEmpty</a>())
<a name="l00400"></a>00400 {
<a name="l00401"></a>00401 error_text = i18n(<span class="stringliteral">"Unknown protocol '%1'."</span>).<a class="codeRef" doxygen="qt.tag:" href="qstring.html#arg">arg</a>(protocol);
<a name="l00402"></a>00402 error = KIO::ERR_CANNOT_LAUNCH_PROCESS;
<a name="l00403"></a>00403 <span class="keyword">delete</span> slave;
<a name="l00404"></a>00404 <span class="keywordflow">return</span> 0;
<a name="l00405"></a>00405 }
<a name="l00406"></a>00406 <a class="codeRef" doxygen="qt.tag:" href="qstring.html">QString</a> lib_path = KLibLoader::findLibrary(_name.<a class="codeRef" doxygen="qt.tag:" href="qstring.html#latin1">latin1</a>());
<a name="l00407"></a>00407 <span class="keywordflow">if</span> (lib_path.<a class="codeRef" doxygen="qt.tag:" href="qstring.html#isEmpty">isEmpty</a>())
<a name="l00408"></a>00408 {
<a name="l00409"></a>00409 error_text = i18n(<span class="stringliteral">"Can not find io-slave for protocol '%1'."</span>).<a class="codeRef" doxygen="qt.tag:" href="qstring.html#arg">arg</a>(protocol);
<a name="l00410"></a>00410 error = KIO::ERR_CANNOT_LAUNCH_PROCESS;
<a name="l00411"></a>00411 <span class="keywordflow">return</span> 0;
<a name="l00412"></a>00412 }
<a name="l00413"></a>00413
<a name="l00414"></a>00414 KProcess proc;
<a name="l00415"></a>00415
<a name="l00416"></a>00416 proc << locate(<span class="stringliteral">"exe"</span>, <span class="stringliteral">"kioslave"</span>) << lib_path << protocol << <span class="stringliteral">""</span> << socketfile.name();
<a name="l00417"></a>00417 kdDebug(7002) << <span class="stringliteral">"kioslave"</span> << <span class="stringliteral">", "</span> << lib_path << <span class="stringliteral">", "</span> << protocol << <span class="stringliteral">", "</span> << QString::null << <span class="stringliteral">", "</span> << socketfile.name() << endl;
<a name="l00418"></a>00418
<a name="l00419"></a>00419 proc.start(KProcess::DontCare);
<a name="l00420"></a>00420
<a name="l00421"></a>00421 <span class="preprocessor">#ifndef Q_WS_WIN</span>
<a name="l00422"></a>00422 <span class="preprocessor"></span> slave-><a class="code" href="classKIO_1_1Slave.html#a2">setPID</a>(proc.pid());
<a name="l00423"></a>00423 <a class="codeRef" doxygen="qt.tag:" href="qtimer.html#singleShot">QTimer::singleShot</a>(1000*SLAVE_CONNECTION_TIMEOUT_MIN, slave, SLOT(<a class="code" href="classKIO_1_1Slave.html#i2">timeout</a>()));
<a name="l00424"></a>00424 <span class="preprocessor">#endif</span>
<a name="l00425"></a>00425 <span class="preprocessor"></span> <span class="keywordflow">return</span> slave;
<a name="l00426"></a>00426 }
<a name="l00427"></a>00427
<a name="l00428"></a>00428
<a name="l00429"></a>00429 <a class="codeRef" doxygen="qt.tag:" href="qbytearray.html">QByteArray</a> params, reply;
<a name="l00430"></a>00430 <a class="codeRef" doxygen="qt.tag:" href="qcstring.html">QCString</a> replyType;
<a name="l00431"></a>00431 <a class="codeRef" doxygen="qt.tag:" href="qdatastream.html">QDataStream</a> stream(params, IO_WriteOnly);
<a name="l00432"></a>00432 stream << protocol << url.host() << socketfile.name();
<a name="l00433"></a>00433
<a name="l00434"></a>00434 <a class="codeRef" doxygen="qt.tag:" href="qcstring.html">QCString</a> launcher = KApplication::launcher();
<a name="l00435"></a>00435 <span class="keywordflow">if</span> (!client->call(launcher, launcher, <span class="stringliteral">"requestSlave(QString,QString,QString)"</span>,
<a name="l00436"></a>00436 params, replyType, reply)) {
<a name="l00437"></a>00437 error_text = i18n(<span class="stringliteral">"Cannot talk to klauncher"</span>);
<a name="l00438"></a>00438 error = KIO::ERR_SLAVE_DEFINED;
<a name="l00439"></a>00439 <span class="keyword">delete</span> slave;
<a name="l00440"></a>00440 <span class="keywordflow">return</span> 0;
<a name="l00441"></a>00441 }
<a name="l00442"></a>00442 <a class="codeRef" doxygen="qt.tag:" href="qdatastream.html">QDataStream</a> stream2(reply, IO_ReadOnly);
<a name="l00443"></a>00443 <a class="codeRef" doxygen="qt.tag:" href="qstring.html">QString</a> errorStr;
<a name="l00444"></a>00444 pid_t pid;
<a name="l00445"></a>00445 stream2 >> pid >> errorStr;
<a name="l00446"></a>00446 <span class="keywordflow">if</span> (!pid)
<a name="l00447"></a>00447 {
<a name="l00448"></a>00448 error_text = i18n(<span class="stringliteral">"Unable to create io-slave:\nklauncher said: %1"</span>).<a class="codeRef" doxygen="qt.tag:" href="qstring.html#arg">arg</a>(errorStr);
<a name="l00449"></a>00449 error = KIO::ERR_CANNOT_LAUNCH_PROCESS;
<a name="l00450"></a>00450 <span class="keyword">delete</span> slave;
<a name="l00451"></a>00451 <span class="keywordflow">return</span> 0;
<a name="l00452"></a>00452 }
<a name="l00453"></a>00453 <span class="preprocessor">#ifndef Q_WS_WIN</span>
<a name="l00454"></a>00454 <span class="preprocessor"></span> slave-><a class="code" href="classKIO_1_1Slave.html#a2">setPID</a>(pid);
<a name="l00455"></a>00455 <a class="codeRef" doxygen="qt.tag:" href="qtimer.html#singleShot">QTimer::singleShot</a>(1000*SLAVE_CONNECTION_TIMEOUT_MIN, slave, SLOT(<a class="code" href="classKIO_1_1Slave.html#i2">timeout</a>()));
<a name="l00456"></a>00456 <span class="preprocessor">#endif</span>
<a name="l00457"></a>00457 <span class="preprocessor"></span> <span class="keywordflow">return</span> slave;
<a name="l00458"></a>00458 }
<a name="l00459"></a>00459
<a name="l00460"></a><a class="code" href="classKIO_1_1Slave.html#e1">00460</a> <a class="code" href="classKIO_1_1Slave.html">Slave</a>* <a class="code" href="classKIO_1_1Slave.html#e1">Slave::holdSlave</a>( <span class="keyword">const</span> <a class="codeRef" doxygen="qt.tag:" href="qstring.html">QString</a> &protocol, <span class="keyword">const</span> KURL& url )
<a name="l00461"></a>00461 {
<a name="l00462"></a>00462 <span class="comment">//kdDebug(7002) << "holdSlave '" << protocol << "' for " << url.prettyURL() << endl;</span>
<a name="l00463"></a>00463 <span class="comment">// Firstly take into account all special slaves</span>
<a name="l00464"></a>00464 <span class="keywordflow">if</span> (protocol == <span class="stringliteral">"data"</span>)
<a name="l00465"></a>00465 <span class="keywordflow">return</span> 0;
<a name="l00466"></a>00466
<a name="l00467"></a>00467 DCOPClient *client = kapp->dcopClient();
<a name="l00468"></a>00468 <span class="keywordflow">if</span> (!client->isAttached())
<a name="l00469"></a>00469 client->attach();
<a name="l00470"></a>00470
<a name="l00471"></a>00471 <a class="codeRef" doxygen="qt.tag:" href="qstring.html">QString</a> prefix = locateLocal(<span class="stringliteral">"socket"</span>, KGlobal::instance()->instanceName());
<a name="l00472"></a>00472 KTempFile socketfile(prefix, <a class="codeRef" doxygen="qt.tag:" href="qstring.html#fromLatin1">QString::fromLatin1</a>(<span class="stringliteral">".slave-socket"</span>));
<a name="l00473"></a>00473 <span class="keywordflow">if</span> ( socketfile.status() != 0 )
<a name="l00474"></a>00474 <span class="keywordflow">return</span> 0;
<a name="l00475"></a>00475
<a name="l00476"></a>00476 <span class="preprocessor">#ifdef __CYGWIN__</span>
<a name="l00477"></a>00477 <span class="preprocessor"></span> socketfile.close();
<a name="l00478"></a>00478 socketfile.unlink();
<a name="l00479"></a>00479 <span class="preprocessor">#endif</span>
<a name="l00480"></a>00480 <span class="preprocessor"></span>
<a name="l00481"></a>00481 <span class="preprocessor">#ifndef Q_WS_WIN</span>
<a name="l00482"></a>00482 <span class="preprocessor"></span> KServerSocket *kss = <span class="keyword">new</span> KServerSocket(<a class="codeRef" doxygen="qt.tag:" href="qfile.html#encodeName">QFile::encodeName</a>(socketfile.name()));
<a name="l00483"></a>00483
<a name="l00484"></a>00484 <a class="code" href="classKIO_1_1Slave.html">Slave</a> *slave = <span class="keyword">new</span> <a class="code" href="classKIO_1_1Slave.html#b0">Slave</a>(kss, protocol, socketfile.name());
<a name="l00485"></a>00485 <span class="preprocessor">#else</span>
<a name="l00486"></a>00486 <span class="preprocessor"></span> <a class="code" href="classKIO_1_1Slave.html">Slave</a> *slave = 0;
<a name="l00487"></a>00487 <span class="preprocessor">#endif</span>
<a name="l00488"></a>00488 <span class="preprocessor"></span>
<a name="l00489"></a>00489 <a class="codeRef" doxygen="qt.tag:" href="qbytearray.html">QByteArray</a> params, reply;
<a name="l00490"></a>00490 <a class="codeRef" doxygen="qt.tag:" href="qcstring.html">QCString</a> replyType;
<a name="l00491"></a>00491 <a class="codeRef" doxygen="qt.tag:" href="qdatastream.html">QDataStream</a> stream(params, IO_WriteOnly);
<a name="l00492"></a>00492 stream << url << socketfile.name();
<a name="l00493"></a>00493
<a name="l00494"></a>00494 <a class="codeRef" doxygen="qt.tag:" href="qcstring.html">QCString</a> launcher = KApplication::launcher();
<a name="l00495"></a>00495 <span class="keywordflow">if</span> (!client->call(launcher, launcher, <span class="stringliteral">"requestHoldSlave(KURL,QString)"</span>,
<a name="l00496"></a>00496 params, replyType, reply)) {
<a name="l00497"></a>00497 <span class="keyword">delete</span> slave;
<a name="l00498"></a>00498 <span class="keywordflow">return</span> 0;
<a name="l00499"></a>00499 }
<a name="l00500"></a>00500 <a class="codeRef" doxygen="qt.tag:" href="qdatastream.html">QDataStream</a> stream2(reply, IO_ReadOnly);
<a name="l00501"></a>00501 pid_t pid;
<a name="l00502"></a>00502 stream2 >> pid;
<a name="l00503"></a>00503 <span class="keywordflow">if</span> (!pid)
<a name="l00504"></a>00504 {
<a name="l00505"></a>00505 <span class="keyword">delete</span> slave;
<a name="l00506"></a>00506 <span class="keywordflow">return</span> 0;
<a name="l00507"></a>00507 }
<a name="l00508"></a>00508 <span class="preprocessor">#ifndef Q_WS_WIN</span>
<a name="l00509"></a>00509 <span class="preprocessor"></span> slave-><a class="code" href="classKIO_1_1Slave.html#a2">setPID</a>(pid);
<a name="l00510"></a>00510 <a class="codeRef" doxygen="qt.tag:" href="qtimer.html#singleShot">QTimer::singleShot</a>(1000*SLAVE_CONNECTION_TIMEOUT_MIN, slave, SLOT(<a class="code" href="classKIO_1_1Slave.html#i2">timeout</a>()));
<a name="l00511"></a>00511 <span class="preprocessor">#endif</span>
<a name="l00512"></a>00512 <span class="preprocessor"></span> <span class="keywordflow">return</span> slave;
<a name="l00513"></a>00513 }
<a name="l00514"></a>00514
<a name="l00515"></a><a class="code" href="classKIO_1_1Slave.html#b2">00515</a> <span class="keywordtype">void</span> <a class="code" href="classKIO_1_1Slave.html#b2">Slave::virtual_hook</a>( <span class="keywordtype">int</span> <span class="keywordtype">id</span>, <span class="keywordtype">void</span>* data ) {
<a name="l00516"></a>00516 <a class="code" href="classKIO_1_1SlaveInterface.html#b9">KIO::SlaveInterface::virtual_hook</a>( <span class="keywordtype">id</span>, data );
<a name="l00517"></a>00517 }
<a name="l00518"></a>00518
<a name="l00519"></a>00519 <span class="preprocessor">#include "slave.moc"</span>
</pre></div> </div></div>
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