<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40">
<head>
<META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=us-ascii">
<meta name=Generator content="Microsoft Word 12 (filtered medium)">
<style>
<!--
/* Font Definitions */
@font-face
{font-family:Calibri;
panose-1:2 15 5 2 2 2 4 3 2 4;}
@font-face
{font-family:Verdana;
panose-1:2 11 6 4 3 5 4 4 2 4;}
/* Style Definitions */
p.MsoNormal, li.MsoNormal, div.MsoNormal
{margin:0cm;
margin-bottom:.0001pt;
font-size:11.0pt;
font-family:"Calibri","sans-serif";}
a:link, span.MsoHyperlink
{mso-style-priority:99;
color:blue;
text-decoration:underline;}
a:visited, span.MsoHyperlinkFollowed
{mso-style-priority:99;
color:purple;
text-decoration:underline;}
span.EmailStyle17
{mso-style-type:personal-compose;
font-family:"Calibri","sans-serif";
color:windowtext;}
span.apple-style-span
{mso-style-name:apple-style-span;}
.MsoChpDefault
{mso-style-type:export-only;}
@page Section1
{size:612.0pt 792.0pt;
margin:70.85pt 70.85pt 70.85pt 70.85pt;}
div.Section1
{page:Section1;}
-->
</style>
<!--[if gte mso 9]><xml>
<o:shapedefaults v:ext="edit" spidmax="1026" />
</xml><![endif]--><!--[if gte mso 9]><xml>
<o:shapelayout v:ext="edit">
<o:idmap v:ext="edit" data="1" />
</o:shapelayout></xml><![endif]-->
</head>
<body lang=FR link=blue vlink=purple>
<div class=Section1>
<p class=MsoNormal><span lang=EN-US>Hello everyone,<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US>I was surprised to read this phrase in the
nagios documentation about embedded perl : <o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US>“</span><span class=apple-style-span><span
lang=EN-US style='font-size:8.5pt;font-family:"Verdana","sans-serif";
color:black'>Without the embedded Perl interpreter, Nagios executes Perl (and
non-Perl) plugins by forking and executing the plugins as an external command.
When the embedded Perl interpreter is used, Nagios can execute Perl plugins by
simply making a library call. »<o:p></o:p></span></span></p>
<p class=MsoNormal><span class=apple-style-span><span lang=EN-US
style='font-size:10.0pt;font-family:"Verdana","sans-serif";color:black'><a
href="http://nagios.sourceforge.net/docs/3_0/passivechecks.html">http://nagios.sourceforge.net/docs/3_0/passivechecks.html</a><o:p></o:p></span></span></p>
<p class=MsoNormal><span class=apple-style-span><span lang=EN-US
style='font-size:10.0pt;font-family:"Verdana","sans-serif";color:black'><o:p> </o:p></span></span></p>
<p class=MsoNormal><span class=apple-style-span><span lang=EN-US
style='font-size:10.0pt;font-family:"Verdana","sans-serif";color:black'>If I
had read correctly the code in base/checks.c, Nagios compile the plugin code
using EPN, then fork and execute the previously compiled script.<o:p></o:p></span></span></p>
<p class=MsoNormal><span class=apple-style-span><span lang=EN-US
style='font-size:10.0pt;font-family:"Verdana","sans-serif";color:black'>Otherwise
I guess a perl script with an infinity loop would make Nagios stucks.<o:p></o:p></span></span></p>
<p class=MsoNormal><span class=apple-style-span><span lang=EN-US
style='font-size:10.0pt;font-family:"Verdana","sans-serif";color:black'><o:p> </o:p></span></span></p>
<p class=MsoNormal><span class=apple-style-span><span lang=EN-US
style='font-size:10.0pt;font-family:"Verdana","sans-serif";color:black'>Am I
wrong?<o:p></o:p></span></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US>Yann Jouanin<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US>http://www.yannj.fr<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
</div>
</body>
</html>