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<h1>system/monitor.c</h1><a href="monitor_8c.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="preprocessor">#include &lt;stdlib.h&gt;</span>    <span class="comment">/* for system() */</span>
<a name="l00002"></a>00002 <span class="preprocessor">#include &lt;sys/wait.h&gt;</span>
<a name="l00003"></a>00003 <span class="preprocessor">#include &lt;stdio.h&gt;</span>
<a name="l00004"></a>00004 <span class="preprocessor">#include &lt;string.h&gt;</span>
<a name="l00005"></a>00005 <span class="preprocessor">#include &lt;errno.h&gt;</span>
<a name="l00006"></a>00006 <span class="preprocessor">#include &lt;signal.h&gt;</span>
<a name="l00007"></a>00007 <span class="preprocessor">#include &lt;stdarg.h&gt;</span>    <span class="comment">/* for ellipse handling */</span>
<a name="l00008"></a>00008 
<a name="l00009"></a>00009 <span class="preprocessor">#include "../include/signalHandling.h"</span>
<a name="l00010"></a>00010 <span class="preprocessor">#include "../include/monitor.h"</span>
<a name="l00011"></a>00011 
<a name="l00012"></a>00012 
<a name="l00013"></a><a class="code" href="monitor_8c.html#d2e5f556fda8453832fa6b5f7c92bc85">00013</a> <span class="preprocessor">#define MONITORCMD    "/usr/bin/monitor"</span>
<a name="l00014"></a><a class="code" href="monitor_8c.html#630eb7604f0fe1161c6165cec5200b3d">00014</a> <span class="preprocessor"></span><span class="preprocessor">#define MONITORTYPE   "test"</span>
<a name="l00015"></a><a class="code" href="monitor_8c.html#d79291fa6d09c30b5ad1c10c8a5d647f">00015</a> <span class="preprocessor"></span><span class="preprocessor">#define MONITORNAME   "virtualitemlogreceiver"</span>
<a name="l00016"></a>00016 <span class="preprocessor"></span>
<a name="l00017"></a><a class="code" href="monitor_8c.html#8142dc3c72610140dfcacc52de5881fd">00017</a> <span class="keyword">const</span> <span class="keywordtype">char</span> <a class="code" href="monitor_8c.html#8142dc3c72610140dfcacc52de5881fd">severity</a>[][10] = {
<a name="l00018"></a>00018     <span class="stringliteral">"info"</span>,
<a name="l00019"></a>00019     <span class="stringliteral">"warning"</span>,
<a name="l00020"></a>00020     <span class="stringliteral">"critical"</span>,
<a name="l00021"></a>00021     <span class="stringliteral">"failure"</span>
<a name="l00022"></a>00022 };
<a name="l00023"></a>00023 
<a name="l00024"></a>00024 
<a name="l00025"></a>00025 <span class="keywordtype">int</span>
<a name="l00026"></a><a class="code" href="monitor_8c.html#afab1757e8c3bc9c5143490b256cb684">00026</a> <a class="code" href="monitor_8h.html#afab1757e8c3bc9c5143490b256cb684">monitor</a>(
<a name="l00027"></a>00027         <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span>   sev,
<a name="l00028"></a>00028         <span class="keyword">const</span> <span class="keywordtype">char</span>   * pattern,
<a name="l00029"></a>00029         <span class="keyword">const</span> <span class="keywordtype">char</span>   * message
<a name="l00030"></a>00030 ) {
<a name="l00031"></a>00031     <span class="keywordtype">char</span> monCall[1024];
<a name="l00032"></a>00032     <span class="keywordtype">int</span>  ret;
<a name="l00033"></a>00033 
<a name="l00034"></a>00034     snprintf(monCall, 1023,
<a name="l00035"></a>00035             <span class="stringliteral">"%s %s %s.%s.%s \"%s\""</span>, 
<a name="l00036"></a>00036             <a class="code" href="monitor_8c.html#d2e5f556fda8453832fa6b5f7c92bc85">MONITORCMD</a>,
<a name="l00037"></a>00037             <a class="code" href="monitor_8c.html#8142dc3c72610140dfcacc52de5881fd">severity</a>[sev],
<a name="l00038"></a>00038             <a class="code" href="monitor_8c.html#630eb7604f0fe1161c6165cec5200b3d">MONITORTYPE</a>,
<a name="l00039"></a>00039             <a class="code" href="monitor_8c.html#d79291fa6d09c30b5ad1c10c8a5d647f">MONITORNAME</a>,
<a name="l00040"></a>00040             pattern,
<a name="l00041"></a>00041             message);
<a name="l00042"></a>00042 
<a name="l00043"></a>00043     ret = system(monCall);
<a name="l00044"></a>00044 
<a name="l00045"></a>00045     <span class="keywordflow">if</span> (WIFSIGNALED(ret)) {
<a name="l00046"></a>00046         <span class="keywordflow">switch</span> (WTERMSIG(ret)) {
<a name="l00047"></a>00047             <span class="keywordflow">case</span> SIGINT:
<a name="l00048"></a>00048             <span class="keywordflow">case</span> SIGQUIT:
<a name="l00049"></a>00049                 syslog(LOG_INFO, <span class="stringliteral">"interrupted in monitor call"</span>);
<a name="l00050"></a>00050                 <a class="code" href="signalHandling_8h.html#960e985a396acaabb1bbed4f15668ade">doShutdown</a>=1;
<a name="l00051"></a>00051         }
<a name="l00052"></a>00052     }
<a name="l00053"></a>00053 
<a name="l00054"></a>00054     <span class="keywordflow">if</span> (-1 == ret || 0 != WEXITSTATUS(ret)) {
<a name="l00055"></a>00055         syslog(LOG_ERR, <span class="stringliteral">"call monitoring failed: %s"</span>, strerror(errno));
<a name="l00056"></a>00056     }
<a name="l00057"></a>00057 
<a name="l00058"></a>00058     <span class="keywordflow">return</span> ret;
<a name="l00059"></a>00059 }
<a name="l00060"></a>00060 
<a name="l00061"></a>00061 <span class="comment">/* this handles simple %d and %s replacements,</span>
<a name="l00062"></a>00062 <span class="comment"> * complexer stuff must be prepared via snprintf</span>
<a name="l00063"></a>00063 <span class="comment"> * the complete message should not extend 1024</span>
<a name="l00064"></a>00064 <span class="comment"> * Bytes, else it will be truncated silently */</span>
<a name="l00065"></a>00065 <span class="keywordtype">int</span>
<a name="l00066"></a><a class="code" href="monitor_8c.html#13e7bf0022db0d9f5dd6aeb82ec69999">00066</a> <a class="code" href="monitor_8h.html#5d332cf84a9d6dd9c77382a74960cccf">syslogMonitor</a>(
<a name="l00067"></a>00067         <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span>   logLvl,
<a name="l00068"></a>00068         <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span>   sev,
<a name="l00069"></a>00069         <span class="keyword">const</span> <span class="keywordtype">char</span>   * pattern,
<a name="l00070"></a>00070         <span class="keyword">const</span> <span class="keywordtype">char</span>   * message,
<a name="l00071"></a>00071         ...
<a name="l00072"></a>00072 ) {
<a name="l00073"></a>00073     va_list args;
<a name="l00074"></a>00074     <span class="keywordtype">char</span>    buffer[1025];
<a name="l00075"></a>00075     <span class="keywordtype">int</span>     maxBuf    = <span class="keyword">sizeof</span>(buffer)/<span class="keyword">sizeof</span>(buffer[0]);
<a name="l00076"></a>00076 
<a name="l00077"></a>00077     memset(buffer, 0, maxBuf);
<a name="l00078"></a>00078 
<a name="l00079"></a>00079     va_start(args, message);
<a name="l00080"></a>00080     vsnprintf(buffer, 1024, message, args);
<a name="l00081"></a>00081     va_end(args);
<a name="l00082"></a>00082 
<a name="l00083"></a>00083     syslog(logLvl, <span class="stringliteral">"%s"</span>, buffer);
<a name="l00084"></a>00084     <a class="code" href="monitor_8h.html#afab1757e8c3bc9c5143490b256cb684">monitor</a>(sev, pattern, buffer);
<a name="l00085"></a>00085 
<a name="l00086"></a>00086     <span class="keywordflow">return</span> 0;
<a name="l00087"></a>00087 }
</pre></div></div>
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