--- Dave Shield <[EMAIL PROTECTED]> wrote:
> On Tue, 2005-06-21 at 02:01, Steve S. Law wrote:
> > In my init_applTable(), after
> > netsnmp_register_table_iterator, I did:
> >
> > snmp_register_callback(SNMP_CALLBACK_LIBRARY,
> >
> SNMP_CALLBACK_STORE_DATA,
> > persist_data,
> > NULL);
> > persist_data is my callback function. Is that the
> > right place to register?
>
> Yes.
>
> > In persist_data function, I just went through my
> > table and caled read_config_store_data() for each
> > column and then snmpd_store_config() to save the
> > record.
> >
> > I was expecting that when I killed my sub-agent
> > process, the callback will be invoked as part of
> > snmp_shutdown("my-agent"?
>
> It should be, yes.
> How did you kill the agent?
I used kill command without any option.
kill <pid of my sub-agent>
> If you put debugging output into the 'persist_data'
> routine, does this get displayed or not?
Nope. I have printf statements inside persist_data,
but they are not printed out at all.
>
>
> > My MIB table has
> > 26 columns which I want save. Do I need to put all
> > those columns in some configuration file first
> before
> > running my sub-agent?
>
> No.
> That's what the 'persist_data' routine is for.
>
>
>
> > I looked at my-agent.conf file and noted that if I
> > don't register callback function, then
> my-agent.conf
> > will have some entries such as
> > engineBoots 193
> > oldEngineID 0x80001f88800024857c0b6d2f42
>
> This is in /var/net-snmp/my-agent.conf - yes?
Yes. The one automatically created.
>
> > But if register the persist_data callback, those
> > entries were gone.
>
> Hmmm... That sounds a bit worrying.
>
> Dave
>
>
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