Re: Marshaling SNMP DateAndTime via pass_persist

On 31 August 2011 09:01, Alistair Bayley <[email protected]> wrote:
> Hello,
>
> I'm trying to write an extension module for snmpd, and decided to use
> the pass_persist mechanism. I can get it to successfully return values
> as long as they are numbers or strings (e.g. integer, string,
> Counter32, DisplayString), but I cannot figure out how to return a
> DateAndTime (from RFC 2579: http://tools.ietf.org/html/rfc2579 ).
>
> How should I marshal DateAndTime values? Is there some other type I
> can use instead? I see the TimeStamp type in RFC 2579, but this is the
> sysUpTime value at the event time; I'd rather have an absoluate (UTC)
> date and time, or some equivalent.


I've just noticed in the docs for pass (above pass_persist) that the
type must be one from this list:
  integer, gauge, counter, timeticks, ipaddress, objectid, or string

So I guess for now I'll return the DateAndTime as 2 columns (yes, it's
in a table): 1 as string, and 2 as counter (seconds-since-epoch).

Thanks,
Alistair

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