Re: Re: How to renew (update) data stored on a OID for a get request?

On 12/02/2008, Simon Huebner <[email protected]> wrote:
> > How have you coded your MIB module?
> > What helper(s) are you using?
> >    That might affect what your code might look like.

> I fill the hrSWInstalledTable from HOST-RESOURCES-MIB with the output
> from dpkg.

One of the MIBs (high) on my list to re-implement :-)


> I store the data like in the tutorial "A table of data, stored within
> the agent" (http://www.net-snmp.org/dev/agent/data__set_8c-example.html)

Ah - that would explain your confusion.
This helper is really designed for tables where the data is held within
the agent itself - not read in from an external subsystem (e.g. dpkg).


Can I suggest that you consider using a different table helper?
Try running

     mib2c   -c mib2c.table_data.conf   -S cache=1  hrSWInstalledTable

This will generate a framework for an internal cached copy of an
external table - reloaded whenever the cache is deemed "too old".
You can then put the dpkg call into the "load" routine.

   That's the framework I'm adopting for the on-going HostRes/UCD
rewrites, and which I intend to use when I get to the hrSWInstalledTable

Dave

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