Re: persistency of data between two runs of snmpd daemon

On 21/03/07, Josu <[email protected]> wrote:
> Is there any generic persistency mechanism provided by Net-Snmp ?
> I would like such a mechanism for my owm mib module so that when the
> daemon restarts values are recovered.

In the initialisation routine for your MIB module, add a call of the form:

        snmp_register_callback(SNMP_CALLBACK_LIBRARY,
                           SNMP_CALLBACK_STORE_DATA,
                           mymib_store, NULL);

Then define a routine "mymib_store()" to save the information
that you want to reload.
   (See agent/mibgroup/mibII/system_mib.c:system_store() for an example).

You'll also need to define (and register) suitable config parsing routines
that will handle whatever tokens you use in 'mymib_store()'
(Again, see system_mibII.c for details).


> I am using net-snmp 5.1.2.

Why?
At the very least, you should consider using the latest release on
that line (5.1.4)
But the 5.1.x line has now been closed, and there will be no further development
done on it.   The latest release is 5.4.

Dave

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