I looked at the file and tried to use the callback
mechanism to save data. But when I shut-down my
sub-agent, the callback is not invoked at all. 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?
In persiste_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"?
Is there any step that I am missing? 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? If so, where and in what format?
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
But if register the persist_data callback, those
entries were gone.
All the colums in my MIB table are read-only but I do
need to persist them across restart.
Please help...
Thanks
Steve
--- Dave Shield <[EMAIL PROTECTED]> wrote:
> On Wed, 2005-05-25 at 01:15, Steve S. Law wrote:
> > Can you point me to what those APIs are?
> > Anything that make things easier will be helpful.
>
> Have a look at some of the existing MIB modules -
> particularly those that work with purely internal
> data.
>
> The file 'mibgroup/notification/snmpNotifyTable.c'
> might be a reasonable starting point. You should
> pay particular attention to the routines
> 'parse_snmpNotifyTable' and 'store_snmpNotifyTable'
>
> Dave
>
>
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