[AGENT++] problem with notify_register() and response through callback function

[Martijn Spaan]

Jochen,

Thanks for your reply. I've followed your advice to empty the 
oid-/target collections and it works. I can now receive all my traps 
perfectly.

Thanks,

Martijn

Jochen Katz wrote:

> Hi Martijn,
>
>> I am trying to receive traps from a printer device, but something 
>> goes wrong. I use notify_register() to register the traps I want to 
>> subscribe to. I also see (with a sniffer) that the traps are received 
>> by my computer successfully but they are not redirected to my 
>> callback function I have specified when calling notify_register().
>
>
> did you try with empty Oid-/Targetcollections?
>
>> When debugging I see that in the receive_snmp_response(), GetEntry() 
>> is called with a specified notify_id. This id contains 0 and the 
>> GetEntry() returns NULL because absolutely no entries are registered.
>
>
> receive_snmp_response() should not be invloved for trap receiption. 
> Instead receive_snmp_notification() should be called from 
> CNotifyEventQueue::HandleEvents().
>
>> What goes wrong, and what can I do about it. If you need more 
>> information I will gladly provide it.
>
>
> You can compile snmp++ with _DEBUG defined and try to receive the trap 
> with the receive_trap example.
>
> Regards,
>   Jochen
>
>