Nagios 3.0b5 - ePN and perl caching [SEC=UNCLASSIFIED]

[Stanley.Hopcroft at Dest.gov.au]

Dear Larry,

I am writing to thank you for your letter and say,

> -----Original Message-----


> Message: 11
> Date: Thu, 11 Oct 2007 09:21:35 -0700
> From: "Larry Low" <llow at telesphere.com>
> 
> This is without making changes to the script.
> 
> Scenario:
> 
> 1) ./configure --prefix=/opt/Nagios --enable-event-broker 
> --with-embedded-perl (I have tried --without-perlcache as well and 
> have not had time to sift through code to see if this is the actual
> problem)
> 2) Have an ePN script with sub print_help
> 3) Execute 1st check of ePN script, returns OK, no problem
> 4) Execute 2nd check of ePN script and ePN compile reports print_help 
> function is redeclared
>

Thank you for the very clear synopsis of the problem.

I have not had that experience with 3.0b4 (a few funny behaviours, but
by and large, like 2.9).
 
> If I compile without embedded-perl the problem does not exist.
> 
> I should probably post this to the devel list.
> 

You have got someones attention here.

FYI (and also to save me a reply to Andreas) the ePN stuff mainly
happens in p1.pl.

This code 

1 manages a cache of compiled plugins (ie checks if the mtime of the
plugin is different to the cached value and recompiles if it is)

2 transforms the plugin to a Perl subroutine in a package named (with a
mangled name) like the plugins file name

3 calls the subroutine if the mtime has not changed (and the compilation
is clean).

What you describe should not happen, and moreover the new stuff in 3.0
has not changed (at least as far as I can see) the interface (from that
in 2.x) to Perl in checks.c and utils.c. 

Would you send me the plugin privately so I can inspect it ?

> ----
> Larry Low
> 


Classification: UNCLASSIFIED

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