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+<h1>/holvi/arto/ohjelmointi/urpo-0.0/urpo/printjob.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 "printjob.h"</span>
+<a name="l00024"></a>00024 <span class="preprocessor">#include "urpoconnection.h"</span>
+<a name="l00025"></a>00025 <span class="preprocessor">#include <QFileInfo></span>
+<a name="l00026"></a>00026 <span class="preprocessor">#include <stdexcept></span> <span class="comment">// Thowing execption for start()</span>
+<a name="l00027"></a>00027 <span class="preprocessor">#include <cstdlib></span> <span class="comment">// For random numbers generating temp file name</span>
+<a name="l00028"></a>00028
+<a name="l00029"></a>00029 PrintJob::PrintJob(<a class="code" href="class_urpo_connection.html" title="Information about ssh connection (abstract).">UrpoConnection</a>* connection) :
+<a name="l00030"></a>00030 <a class="code" href="class_urpo_job.html" title="Base class for jobs (abstract).">UrpoJob</a>(connection)
+<a name="l00031"></a>00031 {
+<a name="l00032"></a>00032 currentProcess_ = 0;
+<a name="l00033"></a>00033 }
+<a name="l00034"></a>00034
+<a name="l00035"></a>00035 PrintJob::~PrintJob()
+<a name="l00036"></a>00036 {
+<a name="l00037"></a>00037 <span class="keywordflow">if</span>( currentProcess_ )
+<a name="l00038"></a>00038 <span class="keyword">delete</span> currentProcess_;
+<a name="l00039"></a>00039 }
+<a name="l00040"></a>00040
+<a name="l00041"></a>00041
+<a name="l00042"></a>00042 <span class="keywordtype">void</span> PrintJob::freeProcess()
+<a name="l00043"></a>00043 {
+<a name="l00044"></a>00044 <span class="keywordflow">if</span>( currentProcess_)
+<a name="l00045"></a>00045 {
+<a name="l00046"></a>00046 <span class="comment">// Delete current process when event loop</span>
+<a name="l00047"></a>00047 <span class="comment">//</span>
+<a name="l00048"></a>00048 <span class="comment">// If we are processing a signal from this process</span>
+<a name="l00049"></a>00049 <span class="comment">// (process is finished), we can't delete process</span>
+<a name="l00050"></a>00050 <span class="comment">// (actually, we can delete, but we get null pointer</span>
+<a name="l00051"></a>00051 <span class="comment">// and segmentation fault !)</span>
+<a name="l00052"></a>00052 currentProcess_->deleteLater();
+<a name="l00053"></a>00053
+<a name="l00054"></a>00054 <span class="comment">// disvalidate pointer</span>
+<a name="l00055"></a>00055 currentProcess_ = 0;
+<a name="l00056"></a>00056 }
+<a name="l00057"></a>00057 }
+<a name="l00058"></a>00058
+<a name="l00059"></a><a class="code" href="class_print_job.html#a167ee653ddcb9f5130b9f92fce279050">00059</a> <span class="keywordtype">void</span> <a class="code" href="class_print_job.html#a167ee653ddcb9f5130b9f92fce279050" title="Do not use, thows execption!">PrintJob::startJob</a>()
+<a name="l00060"></a>00060 {
+<a name="l00061"></a>00061 <span class="comment">// See API documentation on header...</span>
+<a name="l00062"></a>00062 <span class="keywordflow">throw</span>( <span class="keyword">new</span> std::logic_error(<span class="stringliteral">"PrintJob::starJob() NOT for use!"</span>) );
+<a name="l00063"></a>00063 }
+<a name="l00064"></a>00064
+<a name="l00065"></a>00065
+<a name="l00066"></a><a class="code" href="class_print_job.html#a5ce2230a6599b03abefd3875a43ba62e">00066</a> <span class="keywordtype">void</span> <a class="code" href="class_print_job.html#a5ce2230a6599b03abefd3875a43ba62e" title="Print sigle file.">PrintJob::printFile</a>(<span class="keyword">const</span> QString& path, <span class="keyword">const</span> QString& printOptions)
+<a name="l00067"></a>00067 {
+<a name="l00068"></a>00068 <span class="comment">// Get information about file</span>
+<a name="l00069"></a>00069 QFileInfo fileInfo(path);
+<a name="l00070"></a>00070 <span class="keywordflow">if</span>( fileInfo.exists() == <span class="keyword">false</span>)
+<a name="l00071"></a>00071 {
+<a name="l00072"></a>00072 <span class="comment">// File not found!</span>
+<a name="l00073"></a>00073 <a class="code" href="class_urpo_job.html#a6105276a7d9c7431aa5f24d374e33f84" title="Send debug message.">sendDebugMessage</a>( tr(<span class="stringliteral">"File %1 not exists."</span>).arg(path));
+<a name="l00074"></a>00074 <a class="code" href="class_urpo_job.html#a79d4688e55e26b373e103cb7238df9b6" title="Finish failed job.">fail</a>( tr(<span class="stringliteral">"File not found"</span>) );
+<a name="l00075"></a>00075 <span class="keywordflow">return</span>;
+<a name="l00076"></a>00076 }
+<a name="l00077"></a>00077
+<a name="l00078"></a>00078 <span class="comment">// new process for use</span>
+<a name="l00079"></a>00079 freeProcess();
+<a name="l00080"></a>00080 currentProcess_= <a class="code" href="class_urpo_job.html#ab54ee3b2ba06bfc71c310c746a846c48" title="Create new UrpoProcess.">newProcess</a>();
+<a name="l00081"></a>00081
+<a name="l00082"></a>00082
+<a name="l00083"></a>00083 <span class="comment">// Copy temperary file to temperary directory</span>
+<a name="l00084"></a>00084 pathToPrint_ = <span class="stringliteral">"/var/tmp/urpo-"</span>;
+<a name="l00085"></a>00085
+<a name="l00086"></a>00086 <span class="comment">// Securing unique of temperary files, add random</span>
+<a name="l00087"></a>00087 <span class="comment">// number between 0 and ffffff</span>
+<a name="l00088"></a>00088 pathToPrint_.append( QString::number( rand() % 0xffffff, 16));
+<a name="l00089"></a>00089
+<a name="l00090"></a>00090 <span class="comment">// In server path, replace space with _</span>
+<a name="l00091"></a>00091 pathToPrint_.append( fileInfo.fileName().replace(QChar(<span class="charliteral">' '</span>),QChar(<span class="charliteral">'_'</span>)));
+<a name="l00092"></a>00092
+<a name="l00093"></a>00093 printOptions_ = printOptions;
+<a name="l00094"></a>00094
+<a name="l00095"></a>00095 <span class="comment">// Copy command</span>
+<a name="l00096"></a>00096 QString command = <span class="stringliteral">"scp "</span>;
+<a name="l00097"></a>00097 command.append( <a class="code" href="class_urpo_job.html#a5c06ededd10c78ca736df20e1df1e269" title="Get connection pointer.">getConnection</a>()->getKeyOption());
+<a name="l00098"></a>00098 command.append(fileInfo.absoluteFilePath().replace(QString(<span class="stringliteral">" "</span>),QString(<span class="stringliteral">"\\ "</span>)) );
+<a name="l00099"></a>00099 command.append(<span class="stringliteral">" "</span>);
+<a name="l00100"></a>00100 command.append( <a class="code" href="class_urpo_job.html#a5c06ededd10c78ca736df20e1df1e269" title="Get connection pointer.">getConnection</a>()->getHostString() );
+<a name="l00101"></a>00101 command.append(<span class="stringliteral">":"</span>);
+<a name="l00102"></a>00102 command.append(pathToPrint_);
+<a name="l00103"></a>00103
+<a name="l00104"></a>00104 <span class="comment">// Next Copy Ready</span>
+<a name="l00105"></a>00105 connect( currentProcess_, SIGNAL(<a class="code" href="class_urpo_job.html#ab931a6a72a6f49c8919dcd695197288e" title="Job finished (successed of failed).">finished</a>(<span class="keywordtype">bool</span>)), <span class="keyword">this</span>, SLOT(<a class="code" href="class_print_job.html#a2dacf12d369e28e30a5955aba14d4fcf" title="When file has copied (internal use only).">copyReady</a>(<span class="keywordtype">bool</span>)));
+<a name="l00106"></a>00106
+<a name="l00107"></a>00107 currentProcess_-><a class="code" href="class_urpo_process.html#a1bf2519b81fe6d5074db04f9acd38cb0" title="Run command.">start</a>(command);
+<a name="l00108"></a>00108 }
+<a name="l00109"></a>00109
+<a name="l00110"></a><a class="code" href="class_print_job.html#a2dacf12d369e28e30a5955aba14d4fcf">00110</a> <span class="keywordtype">void</span> <a class="code" href="class_print_job.html#a2dacf12d369e28e30a5955aba14d4fcf" title="When file has copied (internal use only).">PrintJob::copyReady</a>(<span class="keywordtype">bool</span> success)
+<a name="l00111"></a>00111 {
+<a name="l00112"></a>00112 freeProcess();
+<a name="l00113"></a>00113
+<a name="l00114"></a>00114 <span class="keywordflow">if</span>( success == <span class="keyword">false</span>)
+<a name="l00115"></a>00115 {
+<a name="l00116"></a>00116 <a class="code" href="class_urpo_job.html#a79d4688e55e26b373e103cb7238df9b6" title="Finish failed job.">fail</a>( tr(<span class="stringliteral">"Failed copying file"</span>));
+<a name="l00117"></a>00117 <span class="keywordflow">return</span>;
+<a name="l00118"></a>00118 }
+<a name="l00119"></a>00119
+<a name="l00120"></a>00120 <span class="comment">// Running remote printing command</span>
+<a name="l00121"></a>00121 currentProcess_ = <a class="code" href="class_urpo_job.html#ab54ee3b2ba06bfc71c310c746a846c48" title="Create new UrpoProcess.">newProcess</a>();
+<a name="l00122"></a>00122 QString command = <span class="stringliteral">" ssh "</span>;
+<a name="l00123"></a>00123 command.append( <a class="code" href="class_urpo_job.html#a5c06ededd10c78ca736df20e1df1e269" title="Get connection pointer.">getConnection</a>()->getKeyOption()) ;
+<a name="l00124"></a>00124 command.append(<a class="code" href="class_urpo_job.html#a5c06ededd10c78ca736df20e1df1e269" title="Get connection pointer.">getConnection</a>()->getHostString());
+<a name="l00125"></a>00125 command.append(<span class="stringliteral">" lp "</span>);
+<a name="l00126"></a>00126 command.append(printOptions_);
+<a name="l00127"></a>00127 command.append(<span class="stringliteral">" "</span>);
+<a name="l00128"></a>00128 command.append(pathToPrint_);
+<a name="l00129"></a>00129
+<a name="l00130"></a>00130 <span class="comment">// Next print ready</span>
+<a name="l00131"></a>00131 connect( currentProcess_, SIGNAL(<a class="code" href="class_urpo_job.html#ab931a6a72a6f49c8919dcd695197288e" title="Job finished (successed of failed).">finished</a>(<span class="keywordtype">bool</span>)), <span class="keyword">this</span>, SLOT(<a class="code" href="class_print_job.html#af984397994fd563b0a0a810b77a68c2c" title="When files has printed (internal use only).">printReady</a>(<span class="keywordtype">bool</span>)));
+<a name="l00132"></a>00132 currentProcess_-><a class="code" href="class_urpo_process.html#a1bf2519b81fe6d5074db04f9acd38cb0" title="Run command.">start</a>(command);
+<a name="l00133"></a>00133
+<a name="l00134"></a>00134 }
+<a name="l00135"></a>00135
+<a name="l00136"></a><a class="code" href="class_print_job.html#af984397994fd563b0a0a810b77a68c2c">00136</a> <span class="keywordtype">void</span> <a class="code" href="class_print_job.html#af984397994fd563b0a0a810b77a68c2c" title="When files has printed (internal use only).">PrintJob::printReady</a>(<span class="keywordtype">bool</span> success)
+<a name="l00137"></a>00137 {
+<a name="l00138"></a>00138 <span class="comment">// Print step is ready</span>
+<a name="l00139"></a>00139 freeProcess();
+<a name="l00140"></a>00140
+<a name="l00141"></a>00141 <span class="keywordflow">if</span>( success == <span class="keyword">false</span> )
+<a name="l00142"></a>00142 {
+<a name="l00143"></a>00143 <a class="code" href="class_urpo_job.html#a79d4688e55e26b373e103cb7238df9b6" title="Finish failed job.">fail</a>( tr(<span class="stringliteral">"Print failed"</span>));
+<a name="l00144"></a>00144 <span class="keywordflow">return</span>;
+<a name="l00145"></a>00145 }
+<a name="l00146"></a>00146
+<a name="l00147"></a>00147 <span class="comment">// delete temperary file</span>
+<a name="l00148"></a>00148 currentProcess_ = <a class="code" href="class_urpo_job.html#ab54ee3b2ba06bfc71c310c746a846c48" title="Create new UrpoProcess.">newProcess</a>();
+<a name="l00149"></a>00149 QString command = <span class="stringliteral">" ssh "</span>;
+<a name="l00150"></a>00150 command.append( <a class="code" href="class_urpo_job.html#a5c06ededd10c78ca736df20e1df1e269" title="Get connection pointer.">getConnection</a>()->getKeyOption()) ;
+<a name="l00151"></a>00151 command.append(<a class="code" href="class_urpo_job.html#a5c06ededd10c78ca736df20e1df1e269" title="Get connection pointer.">getConnection</a>()->getHostString());
+<a name="l00152"></a>00152 command.append(<span class="stringliteral">" rm "</span>);
+<a name="l00153"></a>00153 command.append(pathToPrint_);
+<a name="l00154"></a>00154
+<a name="l00155"></a>00155 <span class="comment">// Next delete ready</span>
+<a name="l00156"></a>00156 connect( currentProcess_, SIGNAL(<a class="code" href="class_urpo_job.html#ab931a6a72a6f49c8919dcd695197288e" title="Job finished (successed of failed).">finished</a>(<span class="keywordtype">bool</span>)),<span class="keyword">this</span>,SLOT(<a class="code" href="class_print_job.html#adb65a2765ae36c2ceab60e5a868b54f8" title="When file has deleted (internal use only).">deleteReady</a>(<span class="keywordtype">bool</span>)));
+<a name="l00157"></a>00157 currentProcess_-><a class="code" href="class_urpo_process.html#a1bf2519b81fe6d5074db04f9acd38cb0" title="Run command.">start</a>(command);
+<a name="l00158"></a>00158 }
+<a name="l00159"></a>00159
+<a name="l00160"></a><a class="code" href="class_print_job.html#adb65a2765ae36c2ceab60e5a868b54f8">00160</a> <span class="keywordtype">void</span> <a class="code" href="class_print_job.html#adb65a2765ae36c2ceab60e5a868b54f8" title="When file has deleted (internal use only).">PrintJob::deleteReady</a>(<span class="keywordtype">bool</span> success)
+<a name="l00161"></a>00161 {
+<a name="l00162"></a>00162 <span class="comment">// All done!</span>
+<a name="l00163"></a>00163 freeProcess();
+<a name="l00164"></a>00164 <span class="keywordflow">if</span>( success == <span class="keyword">false</span> )
+<a name="l00165"></a>00165 {
+<a name="l00166"></a>00166 <a class="code" href="class_urpo_job.html#a79d4688e55e26b373e103cb7238df9b6" title="Finish failed job.">fail</a>(tr(<span class="stringliteral">"Failed deleting file"</span>));
+<a name="l00167"></a>00167 }
+<a name="l00168"></a>00168 <span class="keywordflow">else</span>
+<a name="l00169"></a>00169 {
+<a name="l00170"></a>00170 <span class="comment">// Successed !!!</span>
+<a name="l00171"></a>00171 <a class="code" href="class_urpo_job.html#adca3f19275978d0514229c26871e8a19" title="Finish job.">finish</a>( Successed );
+<a name="l00172"></a>00172 }
+<a name="l00173"></a>00173 }
+<a name="l00174"></a>00174
+<a name="l00175"></a><a class="code" href="class_print_job.html#a6a7f1167cd9d660a3fa1c16276d8b6b0">00175</a> <span class="keywordtype">void</span> <a class="code" href="class_print_job.html#a6a7f1167cd9d660a3fa1c16276d8b6b0" title="Cancel printing job.">PrintJob::cancelJob</a>()
+<a name="l00176"></a>00176 {
+<a name="l00177"></a>00177 <span class="comment">// Cancelled by user.</span>
+<a name="l00178"></a>00178 <span class="keywordflow">if</span>( currentProcess_ )
+<a name="l00179"></a>00179 {
+<a name="l00180"></a>00180 currentProcess_-><a class="code" href="class_urpo_process.html#ac4381636ee9e977dfac4d8fe53ddfeaa" title="Cancel process.">terminate</a>();
+<a name="l00181"></a>00181 freeProcess();
+<a name="l00182"></a>00182 }
+<a name="l00183"></a>00183 <a class="code" href="class_urpo_job.html#adca3f19275978d0514229c26871e8a19" title="Finish job.">finish</a>( Cancelled );
+<a name="l00184"></a>00184 }
+<a name="l00185"></a>00185
+</pre></div></div>
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