nagios and local syslog

[Andreas Ericsson]

Andreas Ericsson wrote:
> Marc Powell wrote:
>>> -----Original Message-----
>>> From: nagios-users-bounces at lists.sourceforge.net [mailto:nagios-users-
>>> bounces at lists.sourceforge.net] On Behalf Of oboissard at free.fr
>>> Sent: Friday, October 12, 2007 5:31 PM
>>> To: dennis at huenseler.net
>>> Cc: nagios-users at lists.sourceforge.net
>>> Subject: Re: [Nagios-users] nagios and local syslog
>>>
>>> Hi
>>>
>>> I think it would be very good to implement it on syslog .
>>> As nagios is written in C language , I think i's just syslog function
>>> arguments to change .
>> Doesn't look like it's _quite_ that simple. The syslogging is done in
>> base/logging.c in the write_to_syslog function. The code specifies the
>> log levels (USER and INFO), but does not specify the facility to use,
>> relying on the default syslog facility to catch it. From man 3 syslog,
>> an openlog call needs to be added to specify the log facility to use for
>> subsequent syslog() calls.
>>
> 
> LOG_USER is the facility. LOG_INFO is the severity. openlog() is only used
> to set a default facility in case one isn't passed to the syslog() function.
> 
> The code (in glibc's syslog() function) should look something like this:
> 
> 	if (!(priority & 0x3f8))
> 		priority |= default_priority;
> 
> except that 0x3f8 is a macro called LOG_FACMASK.
> 

And to reply to the original poster:
It's really quite trivial to add that precise functionality to nagios, but as
I've got more pressing things to do, I'll leave the hacking as an exercise
to you. It'll make you feel good when you're done. ;-)

-- 
Andreas Ericsson                   andreas.ericsson at op5.se
OP5 AB                             www.op5.se
Tel: +46 8-230225                  Fax: +46 8-230231

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