snmptraphandling.py

[Giles Coochey]

> On 29 Nov 2007, at 08:53, Giles Coochey wrote:
> 
> > Is anyone using Francois Meehan's snmptraphandling.py script?
> >
> > There's a part of the script where it opens the Nagios.cmd file.
> > I'm not
> > a python coder, but it appears to me that it writes to the file
> > with 'w'
> > which would overwrite any pending commands that Nagios has not yet
> > processed:
> >
> 
> nagios.cmd is a pipe, not an ordinary file and the contents cannot be
> overwritten as such - whatever gets written into the pipe will be
> read out of the pipe by the controlling binary in the same order.
> 
> If you cat the pipe then the contents will be lost to nagios, as when
> items are read from the pipe they are automatically removed from it.
> 
> Pipes have the first letter as a 'p' on 'ls -l'.
> 

Thanks Duncan, so it's a FIFO. So now I need to find out why I'm losing
events along the way :-(

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