Thanks Dave
Right now Iam using the below api as mentioned, which works fine for
UnRegistering all the Notfication receivers.:-
snmp_call_callbacks(SNMP_CALLBACK_APPLICATION,
SNMPD_CALLBACK_PRE_UPDATE_CONFIG, NULL);
Regards,
Kishore
-----Original Message-----
From: dave.shi...@googlemail.com [mailto:dave.shi...@googlemail.com] On Behalf
Of Dave Shield
Sent: Thursday, January 21, 2010 6:01 PM
To: Borra, Kishore Babu
Cc: net-snmp-users@lists.sourceforge.net; Mike Ayers
Subject: Re: help - SNMP Trap manager registration and
deregistrationdynamically...
2010/1/21 Borra, Kishore Babu <kishorebabu.bo...@adckrone.com>:
> Also I had basic question about the input parameters getting passed to the
> notifyTable_unregister_notifications(), .
>
> i..e What are the input parameters major, minor, void *serverarg, void
> *clientarg serves as ?
The first two parameters (major, minor) match those used when registering
the callback. (see snmpNotifyTable). These are used to control when this
particular callback routine will be invoked, and are passed to the callback
routine in case it needs to distinguish between different possible invocations.
It is also possible to supply some arbitrary data as part of this registration
(using the final parameter of the registration call). This is then passed to
the callback routine as the 'clientarg' parameter.
The code that triggers the callback (snmp_call_callbacks) can also provide
some arbitrary data, which is passed to the callback routine as 'serverarg'.
This is used by (e.g.) the access control callbacks, or those concerned with
registering MIB modules.
> Do we have to pass any valid values for the input args, so that in future
> it doesn't effect, even if the functionality of this api changes?
These routines are not designed to be invoked directly.
They are meant to be invoked via 'snmp_call_callbacks'.
If you are invoking notifyTable_unregister_notifications() yourself, then you
will need to monitor any code changes that affect the relevant major/minor
callback values (currently APPLICATION/PRE_UPDATE_CONFIG. But note
that this is not necessrily fixed).
If you are working outside the intended design, then the onus is on you
to watch for changes that might break your code.
Dave
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