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  43 <h1>/holvi/arto/ohjelmointi/urpo-0.0/urpo/printerlistjob.cpp</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/**************************************************************************</span>
  44 <a name="l00002"></a>00002 <span class="comment"></span>
  45 <a name="l00003"></a>00003 <span class="comment">    URPO</span>
  46 <a name="l00004"></a>00004 <span class="comment"></span>
  47 <a name="l00005"></a>00005 <span class="comment">    Unix Remote Printing Operation</span>
  48 <a name="l00006"></a>00006 <span class="comment">    Copyright (c) Arto Hyvättinen 2010</span>
  49 <a name="l00007"></a>00007 <span class="comment"></span>
  50 <a name="l00008"></a>00008 <span class="comment">    This file is part of URPO.</span>
  51 <a name="l00009"></a>00009 <span class="comment"></span>
  52 <a name="l00010"></a>00010 <span class="comment">    URPO is free software: you can redistribute it and/or modify</span>
  53 <a name="l00011"></a>00011 <span class="comment">    it under the terms of the GNU General Public License as published by</span>
  54 <a name="l00012"></a>00012 <span class="comment">    the Free Software Foundation, either version 3 of the License, or</span>
  55 <a name="l00013"></a>00013 <span class="comment">    (at your option) any later version.</span>
  56 <a name="l00014"></a>00014 <span class="comment"></span>
  57 <a name="l00015"></a>00015 <span class="comment">    URPO is distributed in the hope that it will be useful,</span>
  58 <a name="l00016"></a>00016 <span class="comment">    but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
  59 <a name="l00017"></a>00017 <span class="comment">    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the</span>
  60 <a name="l00018"></a>00018 <span class="comment">    GNU General Public License for more details.</span>
  61 <a name="l00019"></a>00019 <span class="comment"></span>
  62 <a name="l00020"></a>00020 <span class="comment"></span>
  63 <a name="l00021"></a>00021 <span class="comment">**************************************************************************/</span>
  64 <a name="l00022"></a>00022
  65 <a name="l00023"></a>00023 <span class="preprocessor">#include &quot;printerlistjob.h&quot;</span>
  66 <a name="l00024"></a>00024 <span class="preprocessor">#include &quot;urpoconnection.h&quot;</span>
  67 <a name="l00025"></a>00025
  68 <a name="l00026"></a>00026 PrinterListJob::PrinterListJob(<a class="code" href="class_urpo_connection.html" title="Information about ssh connection (abstract).">UrpoConnection</a>* connection) :
  69 <a name="l00027"></a>00027     <a class="code" href="class_urpo_job.html" title="Base class for jobs (abstract).">UrpoJob</a>(connection)
  70 <a name="l00028"></a>00028 {
  71 <a name="l00029"></a>00029     process_=0;
  72 <a name="l00030"></a>00030 }
  73 <a name="l00031"></a>00031
  74 <a name="l00032"></a>00032
  75 <a name="l00033"></a>00033 <span class="keywordtype">void</span> PrinterListJob::startJob()
  76 <a name="l00034"></a>00034 {
  77 <a name="l00035"></a>00035     process_= <a class="code" href="class_urpo_job.html#ab54ee3b2ba06bfc71c310c746a846c48" title="Create new UrpoProcess.">newProcess</a>();
  78 <a name="l00036"></a>00036
  79 <a name="l00037"></a>00037     <span class="comment">// ssh command getting printers of cups</span>
  80 <a name="l00038"></a>00038     QString command = <span class="stringliteral">&quot;ssh &quot;</span>;
  81 <a name="l00039"></a>00039     command.append(<a class="code" href="class_urpo_job.html#a5c06ededd10c78ca736df20e1df1e269" title="Get connection pointer.">getConnection</a>()-&gt;getKeyOption());
  82 <a name="l00040"></a>00040     command.append(<a class="code" href="class_urpo_job.html#a5c06ededd10c78ca736df20e1df1e269" title="Get connection pointer.">getConnection</a>()-&gt;getHostString());
  83 <a name="l00041"></a>00041     command.append(<span class="stringliteral">&quot; env LANG=en lpstat -p&quot;</span>);
  84 <a name="l00042"></a>00042
  85 <a name="l00043"></a>00043     <span class="comment">// When finished, call doList</span>
  86 <a name="l00044"></a>00044     connect( process_, 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_printer_list_job.html#a9f54b15c51796dae1f49faefc4522b51" title="Read output and do printer list.">doList</a>(<span class="keywordtype">bool</span>)));
  87 <a name="l00045"></a>00045     process_-&gt;<a class="code" href="class_urpo_process.html#a1bf2519b81fe6d5074db04f9acd38cb0" title="Run command.">start</a>(command);
  88 <a name="l00046"></a>00046 }
  89 <a name="l00047"></a>00047
  90 <a name="l00048"></a>00048 <span class="keywordtype">void</span> PrinterListJob::cancelJob()
  91 <a name="l00049"></a>00049 {
  92 <a name="l00050"></a>00050     <span class="keywordflow">if</span>(process_)
  93 <a name="l00051"></a>00051         process_-&gt;<a class="code" href="class_urpo_process.html#ac4381636ee9e977dfac4d8fe53ddfeaa" title="Cancel process.">terminate</a>();
  94 <a name="l00052"></a>00052     <a class="code" href="class_urpo_job.html#adca3f19275978d0514229c26871e8a19" title="Finish job.">finish</a>(Cancelled);
  95 <a name="l00053"></a>00053 }
  96 <a name="l00054"></a>00054
  97 <a name="l00055"></a><a class="code" href="class_printer_list_job.html#a9f54b15c51796dae1f49faefc4522b51">00055</a> <span class="keywordtype">void</span> <a class="code" href="class_printer_list_job.html#a9f54b15c51796dae1f49faefc4522b51" title="Read output and do printer list.">PrinterListJob::doList</a>(<span class="keywordtype">bool</span> success)
  98 <a name="l00056"></a>00056 {
  99 <a name="l00057"></a>00057     <span class="keywordflow">if</span>( process_ &amp;&amp; success )
 100 <a name="l00058"></a>00058     {
 101 <a name="l00059"></a>00059         <span class="keywordflow">foreach</span>(QString line, process_-&gt;<a class="code" href="class_urpo_process.html#af1d8cbb3465d62ab7541aac2fef7f963" title="Get output of command.">getOutput</a>())
 102 <a name="l00060"></a>00060         {
 103 <a name="l00061"></a>00061             <span class="keywordflow">if</span>(!line.section(<span class="charliteral">&#39; &#39;</span>,1,1).isEmpty())
 104 <a name="l00062"></a>00062                 printers_.append( line.section(<span class="charliteral">&#39; &#39;</span>,1,1));
 105 <a name="l00063"></a>00063             <span class="comment">// List of printers!</span>
 106 <a name="l00064"></a>00064         }
 107 <a name="l00065"></a>00065         <a class="code" href="class_urpo_job.html#adca3f19275978d0514229c26871e8a19" title="Finish job.">finish</a>(Successed);
 108 <a name="l00066"></a>00066     }
 109 <a name="l00067"></a>00067     <span class="keywordflow">else</span>
 110 <a name="l00068"></a>00068     {
 111 <a name="l00069"></a>00069         <span class="comment">// Error!</span>
 112 <a name="l00070"></a>00070         <span class="comment">// Set error message</span>
 113 <a name="l00071"></a>00071         <span class="keywordflow">switch</span>( process_-&gt;<a class="code" href="class_urpo_process.html#af71059723175a0ee9324a9794eff4cb1" title="Error of process.">getError</a>() )
 114 <a name="l00072"></a>00072         {
 115 <a name="l00073"></a>00073         <span class="keywordflow">case</span> <a class="code" href="class_urpo_process.html#a5b17cbee3ba24de244bd011aabac21c9a891ce4a53adb16a45fff88029c8739b6" title="Error running process.">UrpoProcess::ProcessError</a> :
 116 <a name="l00074"></a>00074             <a class="code" href="class_urpo_job.html#a79d4688e55e26b373e103cb7238df9b6" title="Finish failed job.">fail</a>( tr(<span class="stringliteral">&quot;Failed to run ssh client.&quot;</span>)); <span class="keywordflow">break</span>;
 117 <a name="l00075"></a>00075         <span class="keywordflow">case</span> <a class="code" href="class_urpo_process.html#a5b17cbee3ba24de244bd011aabac21c9a07e7216198891523a8929af6b852e7aa" title="Error connecting host.">UrpoProcess::ConnectionError</a>:
 118 <a name="l00076"></a>00076             <a class="code" href="class_urpo_job.html#a79d4688e55e26b373e103cb7238df9b6" title="Finish failed job.">fail</a>( tr(<span class="stringliteral">&quot;Failed to connect host&quot;</span>)); <span class="keywordflow">break</span>;
 119 <a name="l00077"></a>00077         <span class="keywordflow">case</span> <a class="code" href="class_urpo_process.html#a5b17cbee3ba24de244bd011aabac21c9afba71edd7db677a460890436a85e56ce" title="Timed out.">UrpoProcess::Timeout</a>:
 120 <a name="l00078"></a>00078             <a class="code" href="class_urpo_job.html#a79d4688e55e26b373e103cb7238df9b6" title="Finish failed job.">fail</a>( tr(<span class="stringliteral">&quot;Time out or authentication error&quot;</span>)); <span class="keywordflow">break</span>;
 121 <a name="l00079"></a>00079         <span class="keywordflow">case</span> <a class="code" href="class_urpo_process.html#a5b17cbee3ba24de244bd011aabac21c9a6284f1526b7edf5014aabba519d584ff" title="User cancelled operation.">UrpoProcess::Cancelled</a>:
 122 <a name="l00080"></a>00080             <a class="code" href="class_urpo_job.html#a79d4688e55e26b373e103cb7238df9b6" title="Finish failed job.">fail</a>( tr(<span class="stringliteral">&quot;User cancelled&quot;</span>)); <span class="keywordflow">break</span>;
 123 <a name="l00081"></a>00081         <span class="keywordflow">default</span>:
 124 <a name="l00082"></a>00082             <a class="code" href="class_urpo_job.html#a79d4688e55e26b373e103cb7238df9b6" title="Finish failed job.">fail</a>( tr(<span class="stringliteral">&quot;Connection failed&quot;</span>));
 125 <a name="l00083"></a>00083         }
 126 <a name="l00084"></a>00084     }
 127 <a name="l00085"></a>00085 }
 128 </pre></div></div>
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