Re: NetSNMP::agent and ASN_COUNTER64

On 19/04/07, Maxime Henrion <[email protected]> wrote:
> It seems the NetSNMP::agent module can't deal properly with
> ASN_COUNTER64 types.  Whenever I try to use this type when calling the
> setValue() method on the request object from an embedded perl agent, no
> value is returned at all from the OID.

That doesn't surprise me greatly.



>                               the code that handles ASN_COUNTER64
> types is broken.  Indeed, it's trying to store the value in an "unsigned
> long" variable, which is going to be 32bits on the vast majority of
> 32bits platforms.

The way that counter64 values are handled in the rest of the library
is as a "struct counter64", containing two 32-bit values.   I would
expect the same approach to be used here.

I've had a quick look at the rest of the perl code, and there's a similar
problem in the file SNMP/SNMP.xs, in the routine _add_var_val_str.
My guess is that both of these places need to be re-written to work
with a "struct counter64" value, instead of a simple integer.

Dave

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