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<div class="title">kmthreadjob.cpp</div> </div>
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<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) 2001 Michael Goffioul <kdeprint@swing.be></span>
<a name="l00004"></a>00004 <span class="comment"> *</span>
<a name="l00005"></a>00005 <span class="comment"> * This library is free software; you can redistribute it and/or</span>
<a name="l00006"></a>00006 <span class="comment"> * modify it under the terms of the GNU Library General Public</span>
<a name="l00007"></a>00007 <span class="comment"> * License version 2 as published by the Free Software Foundation.</span>
<a name="l00008"></a>00008 <span class="comment"> *</span>
<a name="l00009"></a>00009 <span class="comment"> * This library is distributed in the hope that it will be useful,</span>
<a name="l00010"></a>00010 <span class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00011"></a>00011 <span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</span>
<a name="l00012"></a>00012 <span class="comment"> * Library General Public License for more details.</span>
<a name="l00013"></a>00013 <span class="comment"> *</span>
<a name="l00014"></a>00014 <span class="comment"> * You should have received a copy of the GNU Library General Public License</span>
<a name="l00015"></a>00015 <span class="comment"> * along with this library; see the file COPYING.LIB. If not, write to</span>
<a name="l00016"></a>00016 <span class="comment"> * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,</span>
<a name="l00017"></a>00017 <span class="comment"> * Boston, MA 02110-1301, USA.</span>
<a name="l00018"></a>00018 <span class="comment"> **/</span>
<a name="l00019"></a>00019
<a name="l00020"></a>00020 <span class="preprocessor">#include "kmthreadjob.h"</span>
<a name="l00021"></a>00021 <span class="preprocessor">#include "kmjob.h"</span>
<a name="l00022"></a>00022 <span class="preprocessor">#include "kmjobmanager.h"</span>
<a name="l00023"></a>00023
<a name="l00024"></a>00024 <span class="preprocessor">#include <qfile.h></span>
<a name="l00025"></a>00025 <span class="preprocessor">#include <qtextstream.h></span>
<a name="l00026"></a>00026 <span class="preprocessor">#include <qstringlist.h></span>
<a name="l00027"></a>00027 <span class="preprocessor">#include <kstandarddirs.h></span>
<a name="l00028"></a>00028
<a name="l00029"></a>00029 <span class="preprocessor">#include <errno.h></span>
<a name="l00030"></a>00030 <span class="preprocessor">#include <sys/types.h></span>
<a name="l00031"></a>00031 <span class="preprocessor">#include <signal.h></span>
<a name="l00032"></a>00032
<a name="l00033"></a>00033 <span class="preprocessor">#define CHARSEP '$'</span>
<a name="l00034"></a>00034 <span class="preprocessor"></span>
<a name="l00035"></a>00035 KMThreadJob::KMThreadJob(<a class="codeRef" href="qobject.html">QObject</a> *parent, <span class="keyword">const</span> <span class="keywordtype">char</span> *name)
<a name="l00036"></a>00036 : <a class="codeRef" href="qobject.html">QObject</a>(parent,name)
<a name="l00037"></a>00037 {
<a name="l00038"></a>00038 m_jobs.setAutoDelete(<span class="keyword">true</span>);
<a name="l00039"></a>00039 }
<a name="l00040"></a>00040
<a name="l00041"></a>00041 KMThreadJob::~KMThreadJob()
<a name="l00042"></a>00042 {
<a name="l00043"></a>00043 }
<a name="l00044"></a>00044
<a name="l00045"></a>00045 <a class="codeRef" href="qstring.html">QString</a> KMThreadJob::jobFile()
<a name="l00046"></a>00046 {
<a name="l00047"></a>00047 <a class="codeRef" href="qstring.html">QString</a> f = locateLocal(<span class="stringliteral">"data"</span>,<span class="stringliteral">"kdeprint/printjobs"</span>);
<a name="l00048"></a>00048 <span class="keywordflow">return</span> f;
<a name="l00049"></a>00049 }
<a name="l00050"></a>00050
<a name="l00051"></a>00051 <span class="keywordtype">bool</span> KMThreadJob::saveJobs()
<a name="l00052"></a>00052 {
<a name="l00053"></a>00053 <a class="codeRef" href="qfile.html">QFile</a> f(jobFile());
<a name="l00054"></a>00054 <span class="keywordflow">if</span> (f.open(IO_WriteOnly))
<a name="l00055"></a>00055 {
<a name="l00056"></a>00056 <a class="codeRef" href="qtextstream.html">QTextStream</a> t(&f);
<a name="l00057"></a>00057 <a class="codeRef" href="qintdictiterator.html">QIntDictIterator<KMJob></a> it(m_jobs);
<a name="l00058"></a>00058 <span class="keywordflow">for</span> (;it.current();++it)
<a name="l00059"></a>00059 t << it.current()->id() << CHARSEP << it.current()->name() << CHARSEP << it.current()->printer() << CHARSEP << it.current()->owner() << CHARSEP << it.current()->size() << endl;
<a name="l00060"></a>00060 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00061"></a>00061 }
<a name="l00062"></a>00062 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00063"></a>00063 }
<a name="l00064"></a>00064
<a name="l00065"></a>00065 <span class="keywordtype">bool</span> KMThreadJob::loadJobs()
<a name="l00066"></a>00066 {
<a name="l00067"></a>00067 <a class="codeRef" href="qfile.html">QFile</a> f(jobFile());
<a name="l00068"></a>00068 <span class="keywordflow">if</span> (f.exists() && f.open(IO_ReadOnly))
<a name="l00069"></a>00069 {
<a name="l00070"></a>00070 <a class="codeRef" href="qtextstream.html">QTextStream</a> t(&f);
<a name="l00071"></a>00071 <a class="codeRef" href="qstring.html">QString</a> line;
<a name="l00072"></a>00072
<a name="l00073"></a>00073 m_jobs.clear();
<a name="l00074"></a>00074 <span class="keywordflow">while</span> (!t.eof())
<a name="l00075"></a>00075 {
<a name="l00076"></a>00076 line = t.readLine().stripWhiteSpace();
<a name="l00077"></a>00077 <span class="keywordflow">if</span> (line.<a class="codeRef" href="qstring.html#isEmpty">isEmpty</a>())
<a name="l00078"></a>00078 <span class="keywordflow">continue</span>;
<a name="l00079"></a>00079 <a class="codeRef" href="qstringlist.html">QStringList</a> ll = <a class="codeRef" href="qstringlist.html#split">QStringList::split</a>(CHARSEP,line,<span class="keyword">true</span>);
<a name="l00080"></a>00080 <span class="keywordflow">if</span> (ll.count() == 5)
<a name="l00081"></a>00081 {
<a name="l00082"></a>00082 KMJob *job = <span class="keyword">new</span> KMJob();
<a name="l00083"></a>00083 job->setId(ll[0].toInt());
<a name="l00084"></a>00084 job->setName(ll[1]);
<a name="l00085"></a>00085 job->setPrinter(ll[2]);
<a name="l00086"></a>00086 job->setOwner(ll[3]);
<a name="l00087"></a>00087 job->setSize(ll[4].toInt());
<a name="l00088"></a>00088 job->setState(KMJob::Printing);
<a name="l00089"></a>00089 job->setType(KMJob::Threaded);
<a name="l00090"></a>00090 job->setUri(<span class="stringliteral">"proc:/"</span>+ll[0]);
<a name="l00091"></a>00091 <span class="keywordflow">if</span> (job->id() > 0 && checkJob(job->id()))
<a name="l00092"></a>00092 m_jobs.insert(job->id(),job);
<a name="l00093"></a>00093 <span class="keywordflow">else</span>
<a name="l00094"></a>00094 <span class="keyword">delete</span> job;
<a name="l00095"></a>00095 }
<a name="l00096"></a>00096 }
<a name="l00097"></a>00097 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00098"></a>00098 }
<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
<a name="l00102"></a>00102 <span class="keywordtype">bool</span> KMThreadJob::checkJob(<span class="keywordtype">int</span> ID)
<a name="l00103"></a>00103 {
<a name="l00104"></a>00104 <span class="keywordflow">return</span> (kill((pid_t)ID,0) == 0 || errno == EPERM);
<a name="l00105"></a>00105 }
<a name="l00106"></a>00106
<a name="l00107"></a>00107 KMJob* KMThreadJob::findJob(<span class="keywordtype">int</span> ID)
<a name="l00108"></a>00108 {
<a name="l00109"></a>00109 <span class="keywordflow">return</span> m_jobs.find(ID);
<a name="l00110"></a>00110 }
<a name="l00111"></a>00111
<a name="l00112"></a>00112 KMJob* KMThreadJob::findJob(<span class="keyword">const</span> <a class="codeRef" href="qstring.html">QString</a>& uri)
<a name="l00113"></a>00113 {
<a name="l00114"></a>00114 <span class="keywordflow">if</span> (uri.<a class="codeRef" href="qstring.html#startsWith">startsWith</a>(<span class="stringliteral">"proc:/"</span>))
<a name="l00115"></a>00115 {
<a name="l00116"></a>00116 <span class="keywordtype">int</span> pid = uri.<a class="codeRef" href="qstring.html#mid">mid</a>(6).toInt();
<a name="l00117"></a>00117 <span class="keywordflow">if</span> (pid > 0)
<a name="l00118"></a>00118 <span class="keywordflow">return</span> m_jobs.find(pid);
<a name="l00119"></a>00119 }
<a name="l00120"></a>00120 <span class="keywordflow">return</span> NULL;
<a name="l00121"></a>00121 }
<a name="l00122"></a>00122
<a name="l00123"></a>00123 <span class="keywordtype">bool</span> KMThreadJob::removeJob(<span class="keywordtype">int</span> ID)
<a name="l00124"></a>00124 {
<a name="l00125"></a>00125 <span class="keywordflow">if</span> (!checkJob(ID) || kill((pid_t)ID, SIGTERM) == 0)
<a name="l00126"></a>00126 {
<a name="l00127"></a>00127 m_jobs.remove(ID);
<a name="l00128"></a>00128 saveJobs();
<a name="l00129"></a>00129 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00130"></a>00130 }
<a name="l00131"></a>00131 <span class="keywordflow">else</span>
<a name="l00132"></a>00132 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00133"></a>00133 }
<a name="l00134"></a>00134
<a name="l00135"></a>00135 <span class="keywordtype">void</span> KMThreadJob::createJob(<span class="keywordtype">int</span> ID, <span class="keyword">const</span> <a class="codeRef" href="qstring.html">QString</a>& printer, <span class="keyword">const</span> <a class="codeRef" href="qstring.html">QString</a>& name, <span class="keyword">const</span> <a class="codeRef" href="qstring.html">QString</a>& owner, <span class="keywordtype">int</span> size)
<a name="l00136"></a>00136 {
<a name="l00137"></a>00137 KMThreadJob mth(0);
<a name="l00138"></a>00138 KMJob *job = <span class="keyword">new</span> KMJob();
<a name="l00139"></a>00139 job->setId(ID);
<a name="l00140"></a>00140 job->setPrinter(printer);
<a name="l00141"></a>00141 job->setName(name);
<a name="l00142"></a>00142 job->setOwner(owner);
<a name="l00143"></a>00143 job->setSize(size);
<a name="l00144"></a>00144 job->setType(KMJob::Threaded);
<a name="l00145"></a>00145 mth.createJob(job);
<a name="l00146"></a>00146 }
<a name="l00147"></a>00147
<a name="l00148"></a>00148 <span class="keywordtype">void</span> KMThreadJob::createJob(KMJob *job)
<a name="l00149"></a>00149 {
<a name="l00150"></a>00150 <span class="keywordflow">if</span> (job->id() > 0)
<a name="l00151"></a>00151 {
<a name="l00152"></a>00152 loadJobs();
<a name="l00153"></a>00153 <span class="keywordflow">if</span> (!m_jobs.find(job->id()))
<a name="l00154"></a>00154 {
<a name="l00155"></a>00155 m_jobs.insert(job->id(),job);
<a name="l00156"></a>00156 saveJobs();
<a name="l00157"></a>00157 }
<a name="l00158"></a>00158 }
<a name="l00159"></a>00159 }
<a name="l00160"></a>00160
<a name="l00161"></a>00161 <span class="keywordtype">void</span> KMThreadJob::updateManager(KMJobManager *mgr)
<a name="l00162"></a>00162 {
<a name="l00163"></a>00163 loadJobs();
<a name="l00164"></a>00164 <a class="codeRef" href="qintdictiterator.html">QIntDictIterator<KMJob></a> it(m_jobs);
<a name="l00165"></a>00165 <span class="keywordflow">for</span> (;it.current();++it)
<a name="l00166"></a>00166 {
<a name="l00167"></a>00167 KMJob *job = <span class="keyword">new</span> KMJob(*(it.current()));
<a name="l00168"></a>00168 mgr->addJob(job);
<a name="l00169"></a>00169 }
<a name="l00170"></a>00170 }
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