Mike Ayers wrote:

>> From: Peter Hicks [mailto:peter.hi...@poggs.co.uk] 
>> Sent: Thursday, May 07, 2009 5:53 AM
> 
>> DISMAN-EVENT-MIB defines sysUpTime.0 as sysUpTimeInstance, 
>> which appears to confuse SNMP.pm, returning a VarBind without
 >> an instance...
 >>
 >> [snip]
 >>
>> Is this intended behaviour?  How should I work around it in an 
>> application which assumes that requesting OID 'sysUpTime' and 
>> instance 0 will return the same OID and instance in the returned VarBind?
> 
> Use numerical OIDs - they will always match.

Ick, that's horrendously ugly and makes code very difficult to read.

What I did was to check for an instance in the returned VarBind, and if 
there's no instance, convert the OID to numeric format, lop off the last 
element (in this case, "0") and use that as the instance, then convert 
the OID back to text.

Works like a treat and I save my full-stop key and the sanity of anyone 
else looking at my code :-)


Peter

-- 
Peter Hicks | e: my.n...@poggs.co.uk | g: 0x5DA31330 | w: www.poggs.com

   A: Because it destroys the flow of the conversation
   Q: Why is top-posting bad?

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