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+<h1>/holvi/arto/ohjelmointi/urpo-0.0/urpo/urpoprocess.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"></span>
+<a name="l00003"></a>00003 <span class="comment"> URPO</span>
+<a name="l00004"></a>00004 <span class="comment"></span>
+<a name="l00005"></a>00005 <span class="comment"> Unix Remote Printing Operation</span>
+<a name="l00006"></a>00006 <span class="comment"> Copyright (c) Arto Hyvättinen 2010</span>
+<a name="l00007"></a>00007 <span class="comment"></span>
+<a name="l00008"></a>00008 <span class="comment"> This file is part of URPO.</span>
+<a name="l00009"></a>00009 <span class="comment"></span>
+<a name="l00010"></a>00010 <span class="comment"> URPO is free software: you can redistribute it and/or modify</span>
+<a name="l00011"></a>00011 <span class="comment"> it under the terms of the GNU General Public License as published by</span>
+<a name="l00012"></a>00012 <span class="comment"> the Free Software Foundation, either version 3 of the License, or</span>
+<a name="l00013"></a>00013 <span class="comment"> (at your option) any later version.</span>
+<a name="l00014"></a>00014 <span class="comment"></span>
+<a name="l00015"></a>00015 <span class="comment"> URPO is distributed in the hope that it will be useful,</span>
+<a name="l00016"></a>00016 <span class="comment"> but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
+<a name="l00017"></a>00017 <span class="comment"> MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span>
+<a name="l00018"></a>00018 <span class="comment"> GNU General Public License for more details.</span>
+<a name="l00019"></a>00019 <span class="comment"></span>
+<a name="l00020"></a>00020 <span class="comment"></span>
+<a name="l00021"></a>00021 <span class="comment">**************************************************************************/</span>
+<a name="l00022"></a>00022
+<a name="l00023"></a>00023 <span class="preprocessor">#include "urpoprocess.h"</span>
+<a name="l00024"></a>00024 <span class="preprocessor">#include "urpoconnection.h"</span>
+<a name="l00025"></a>00025 <span class="preprocessor">#include <QTimer></span>
+<a name="l00026"></a>00026
+<a name="l00027"></a>00027
+<a name="l00028"></a>00028 <span class="keywordtype">int</span> <span class="keyword">const</span> UrpoProcess::DEFAULTTIMEOUT;
+<a name="l00029"></a>00029
+<a name="l00030"></a><a class="code" href="class_urpo_process.html#ace05eb4301a27d8c20edfc85d28ebdcf">00030</a> <a class="code" href="class_urpo_process.html#ace05eb4301a27d8c20edfc85d28ebdcf">UrpoProcess::UrpoProcess</a>(QObject* parent) :
+<a name="l00031"></a>00031 QObject(parent)
+<a name="l00032"></a>00032 {
+<a name="l00033"></a>00033 status_ = <a class="code" href="class_urpo_process.html#a1be26b6dc5a227f88d8fa7be477578a2ac5894b205772be5c5d2cab467dc4c90d" title="Ready for connecting.">Ready</a>;
+<a name="l00034"></a>00034 error_ = <a class="code" href="class_urpo_process.html#a5b17cbee3ba24de244bd011aabac21c9a26e2a92c998579ae82dad85a3d848a7f" title="No errors happends.">NoError</a>;
+<a name="l00035"></a>00035 <a class="code" href="class_urpo_process.html#af3cd19eb0af2b51d6740471a344cbb69" title="Set timeout.">setTimeout</a>( DEFAULTTIMEOUT );
+<a name="l00036"></a>00036 }
+<a name="l00037"></a>00037
+<a name="l00038"></a><a class="code" href="class_urpo_process.html#ac4381636ee9e977dfac4d8fe53ddfeaa">00038</a> <span class="keywordtype">void</span> <a class="code" href="class_urpo_process.html#ac4381636ee9e977dfac4d8fe53ddfeaa" title="Cancel process.">UrpoProcess::terminate</a>()
+<a name="l00039"></a>00039 {
+<a name="l00040"></a>00040 fail(<a class="code" href="class_urpo_process.html#a5b17cbee3ba24de244bd011aabac21c9a6284f1526b7edf5014aabba519d584ff" title="User cancelled operation.">Cancelled</a>);
+<a name="l00041"></a>00041 }
+<a name="l00042"></a>00042
+<a name="l00043"></a><a class="code" href="class_urpo_process.html#af1d8cbb3465d62ab7541aac2fef7f963">00043</a> QStringList <a class="code" href="class_urpo_process.html#af1d8cbb3465d62ab7541aac2fef7f963" title="Get output of command.">UrpoProcess::getOutput</a>()
+<a name="l00044"></a>00044 {
+<a name="l00045"></a>00045 <span class="keywordflow">return</span> output_;
+<a name="l00046"></a>00046 }
+<a name="l00047"></a>00047
+<a name="l00048"></a>00048 <span class="keywordtype">void</span> UrpoProcess::fail(UrpoError error)
+<a name="l00049"></a>00049 {
+<a name="l00050"></a>00050 status_=<a class="code" href="class_urpo_process.html#a1be26b6dc5a227f88d8fa7be477578a2a5e0b84210eb20245a9f3a925297088e2" title="Command failed.">Failed</a>;
+<a name="l00051"></a>00051 error_=error;
+<a name="l00052"></a>00052 qprocess_.terminate();
+<a name="l00053"></a>00053 emit <a class="code" href="class_urpo_process.html#ab1c5d2e4c2bda8d34700b478fd5af1ad" title="Process finished (successed of failed).">finished</a>(<span class="keyword">false</span>);
+<a name="l00054"></a>00054 <a class="code" href="class_urpo_process.html#a0d75a2951e7add2e70c02cd8bf56de3e" title="Send debug message.">sendDebugMessage</a>( <a class="code" href="class_urpo_process.html#a5a400d2abb550076c778a6030293e764" title="Error of process (in string).">getErrorString</a>() );
+<a name="l00055"></a>00055 }
+<a name="l00056"></a>00056
+<a name="l00057"></a>00057
+<a name="l00058"></a><a class="code" href="class_urpo_process.html#ab8865ef6fcb92b3fa9228474654065da">00058</a> <span class="keywordtype">void</span> <a class="code" href="class_urpo_process.html#ab8865ef6fcb92b3fa9228474654065da" title="Timeout during connecting.">UrpoProcess::timeout</a>()
+<a name="l00059"></a>00059 {
+<a name="l00060"></a>00060 <span class="comment">// If process is still running, it means timeout!</span>
+<a name="l00061"></a>00061 <span class="keywordflow">if</span>( status_ == <a class="code" href="class_urpo_process.html#a1be26b6dc5a227f88d8fa7be477578a2a82cb6930485e0c3b85e341346b2c924d" title="Command running.">Running</a>)
+<a name="l00062"></a>00062 fail(<a class="code" href="class_urpo_process.html#a5b17cbee3ba24de244bd011aabac21c9afba71edd7db677a460890436a85e56ce" title="Timed out.">Timeout</a>);
+<a name="l00063"></a>00063 }
+<a name="l00064"></a>00064
+<a name="l00065"></a><a class="code" href="class_urpo_process.html#a1bf2519b81fe6d5074db04f9acd38cb0">00065</a> <span class="keywordtype">void</span> <a class="code" href="class_urpo_process.html#a1bf2519b81fe6d5074db04f9acd38cb0" title="Run command.">UrpoProcess::start</a>(<span class="keyword">const</span> QString &command)
+<a name="l00066"></a>00066 {
+<a name="l00067"></a>00067 <a class="code" href="class_urpo_process.html#a0d75a2951e7add2e70c02cd8bf56de3e" title="Send debug message.">sendDebugMessage</a>(QString(<span class="stringliteral">"[Running command %1 ]"</span>).arg(command));
+<a name="l00068"></a>00068
+<a name="l00069"></a>00069 <span class="comment">// Process finished handling</span>
+<a name="l00070"></a>00070 connect( &qprocess_, SIGNAL(<a class="code" href="class_urpo_process.html#ab1c5d2e4c2bda8d34700b478fd5af1ad" title="Process finished (successed of failed).">finished</a>(<span class="keywordtype">int</span>,QProcess::ExitStatus)), <span class="keyword">this</span>, SLOT(<a class="code" href="class_urpo_process.html#aba6e812efd10c7b466563c171baf7284" title="SSH client has finished.">processFinished</a>(<span class="keywordtype">int</span>,QProcess::ExitStatus)));
+<a name="l00071"></a>00071
+<a name="l00072"></a>00072 <span class="comment">// Timer for timeout</span>
+<a name="l00073"></a>00073 <span class="comment">// use UrpoConnection's default timeout settings</span>
+<a name="l00074"></a>00074 QTimer::singleShot( <a class="code" href="class_urpo_process.html#aaa8de6c9a6635cf2433958a60e4cf87f" title="Return timeout.">getTimeout</a>(), <span class="keyword">this</span>, SLOT(<a class="code" href="class_urpo_process.html#ab8865ef6fcb92b3fa9228474654065da" title="Timeout during connecting.">timeout</a>()) );
+<a name="l00075"></a>00075
+<a name="l00076"></a>00076 <span class="comment">// Start process</span>
+<a name="l00077"></a>00077 status_ = <a class="code" href="class_urpo_process.html#a1be26b6dc5a227f88d8fa7be477578a2a82cb6930485e0c3b85e341346b2c924d" title="Command running.">Running</a>;
+<a name="l00078"></a>00078
+<a name="l00079"></a>00079 qprocess_.start(command);
+<a name="l00080"></a>00080
+<a name="l00081"></a>00081 }
+<a name="l00082"></a>00082
+<a name="l00083"></a><a class="code" href="class_urpo_process.html#aba6e812efd10c7b466563c171baf7284">00083</a> <span class="keywordtype">void</span> <a class="code" href="class_urpo_process.html#aba6e812efd10c7b466563c171baf7284" title="SSH client has finished.">UrpoProcess::processFinished</a>(<span class="keywordtype">int</span> exitCode,QProcess::ExitStatus exitStatus)
+<a name="l00084"></a>00084 {
+<a name="l00085"></a>00085 <span class="keywordflow">if</span>( exitCode)
+<a name="l00086"></a>00086 {
+<a name="l00087"></a>00087 <a class="code" href="class_urpo_process.html#a0d75a2951e7add2e70c02cd8bf56de3e" title="Send debug message.">sendDebugMessage</a>( QString( tr(<span class="stringliteral">"Process exited with code %1"</span>) ).arg(exitCode));
+<a name="l00088"></a>00088 <span class="comment">// Get data from ssh server</span>
+<a name="l00089"></a>00089 QByteArray newData = qprocess_.readAllStandardError();
+<a name="l00090"></a>00090 <a class="code" href="class_urpo_process.html#a0d75a2951e7add2e70c02cd8bf56de3e" title="Send debug message.">sendDebugMessage</a>( QString(newData) );
+<a name="l00091"></a>00091
+<a name="l00092"></a>00092 fail(<a class="code" href="class_urpo_process.html#a5b17cbee3ba24de244bd011aabac21c9a07e7216198891523a8929af6b852e7aa" title="Error connecting host.">ConnectionError</a>);
+<a name="l00093"></a>00093 }
+<a name="l00094"></a>00094 <span class="keywordflow">else</span> <span class="keywordflow">if</span>( exitStatus == QProcess::CrashExit)
+<a name="l00095"></a>00095 <span class="comment">// Process failed</span>
+<a name="l00096"></a>00096 fail(<a class="code" href="class_urpo_process.html#a5b17cbee3ba24de244bd011aabac21c9a891ce4a53adb16a45fff88029c8739b6" title="Error running process.">ProcessError</a>);
+<a name="l00097"></a>00097 <span class="keywordflow">else</span>
+<a name="l00098"></a>00098 {
+<a name="l00099"></a>00099 <span class="comment">// Read output</span>
+<a name="l00100"></a>00100 QByteArray bytes = qprocess_.readAllStandardOutput();
+<a name="l00101"></a>00101 QString string(bytes);
+<a name="l00102"></a>00102 <a class="code" href="class_urpo_process.html#a0d75a2951e7add2e70c02cd8bf56de3e" title="Send debug message.">sendDebugMessage</a>(<span class="keywordtype">string</span>);
+<a name="l00103"></a>00103 <span class="comment">// Split to lines and store to output_</span>
+<a name="l00104"></a>00104 output_=<span class="keywordtype">string</span>.split(<span class="stringliteral">"\n"</span>);
+<a name="l00105"></a>00105 status_=<a class="code" href="class_urpo_process.html#a1be26b6dc5a227f88d8fa7be477578a2acaff40cc10b23085fd28e0b757de08b9" title="Command successed.">Successed</a>;
+<a name="l00106"></a>00106 emit <a class="code" href="class_urpo_process.html#ab1c5d2e4c2bda8d34700b478fd5af1ad" title="Process finished (successed of failed).">finished</a>(<span class="keyword">true</span>);
+<a name="l00107"></a>00107 }
+<a name="l00108"></a>00108 }
+<a name="l00109"></a>00109
+<a name="l00110"></a><a class="code" href="class_urpo_process.html#a5a400d2abb550076c778a6030293e764">00110</a> QString <a class="code" href="class_urpo_process.html#a5a400d2abb550076c778a6030293e764" title="Error of process (in string).">UrpoProcess::getErrorString</a>()<span class="keyword"> const</span>
+<a name="l00111"></a>00111 <span class="keyword"></span>{
+<a name="l00112"></a>00112 <span class="keywordflow">switch</span>( <a class="code" href="class_urpo_process.html#af71059723175a0ee9324a9794eff4cb1" title="Error of process.">getError</a>() )
+<a name="l00113"></a>00113 {
+<a name="l00114"></a>00114 <span class="keywordflow">case</span> <a class="code" href="class_urpo_process.html#a5b17cbee3ba24de244bd011aabac21c9a26e2a92c998579ae82dad85a3d848a7f" title="No errors happends.">NoError</a>:
+<a name="l00115"></a>00115 <span class="keywordflow">return</span> QString();
+<a name="l00116"></a>00116 <span class="keywordflow">case</span> <a class="code" href="class_urpo_process.html#a5b17cbee3ba24de244bd011aabac21c9a891ce4a53adb16a45fff88029c8739b6" title="Error running process.">ProcessError</a>:
+<a name="l00117"></a>00117 <span class="keywordflow">return</span> tr(<span class="stringliteral">"External program calling error"</span>);
+<a name="l00118"></a>00118 <span class="keywordflow">case</span> <a class="code" href="class_urpo_process.html#a5b17cbee3ba24de244bd011aabac21c9a07e7216198891523a8929af6b852e7aa" title="Error connecting host.">ConnectionError</a>:
+<a name="l00119"></a>00119 <span class="keywordflow">return</span> tr(<span class="stringliteral">"Connection error"</span>);
+<a name="l00120"></a>00120 <span class="keywordflow">case</span> <a class="code" href="class_urpo_process.html#a5b17cbee3ba24de244bd011aabac21c9a2de1e6756c01a0fe2f56e3f324f7845f" title="Authentication failed.">AuthError</a>:
+<a name="l00121"></a>00121 <span class="keywordflow">return</span> tr(<span class="stringliteral">"Authentication error"</span>);
+<a name="l00122"></a>00122 <span class="keywordflow">case</span> <a class="code" href="class_urpo_process.html#a5b17cbee3ba24de244bd011aabac21c9afba71edd7db677a460890436a85e56ce" title="Timed out.">Timeout</a>:
+<a name="l00123"></a>00123 <span class="keywordflow">return</span> tr(<span class="stringliteral">"Time out"</span>);
+<a name="l00124"></a>00124 <span class="keywordflow">case</span> <a class="code" href="class_urpo_process.html#a5b17cbee3ba24de244bd011aabac21c9a6284f1526b7edf5014aabba519d584ff" title="User cancelled operation.">Cancelled</a>:
+<a name="l00125"></a>00125 <span class="keywordflow">return</span> tr(<span class="stringliteral">"User cancelled"</span>);
+<a name="l00126"></a>00126 }
+<a name="l00127"></a>00127 <span class="keywordflow">return</span> QString();
+<a name="l00128"></a>00128 }
+<a name="l00129"></a>00129
+<a name="l00130"></a>00130
+</pre></div></div>
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