sending traps

In an attempt to send traps from a standalone, I've done the following:

create_trap_session("localhost", 0, "public", 1, SNMP_MSG_TRAP2);
init_traps();
[ populate notification_vars ]
send_v2trap(notification_vars);

But without success. When I step through in gdb, the sinks list is
empty. I've tried using netsnmp_config("trap2sink localhost"); as
well. (Also, snmpd_parse_config_trap2sink("", "localhost");, but that
segfaults in a tokenizer - even when there's whitespace around
localhost - and I can't really see why.)

Am I doing something ludicriously wrong somewhere? Does anyone happen
to have sample code (I've searched!) for sending a trap from a
standalone? Or even for create_trap_session?

Cheers,
-Dan

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2008/6/13 dan anderson <dan.j.anderson@gmail.com>:
> In an attempt to send traps from a standalone, I've done the following:
>
> create_trap_session("localhost", 0, "public", 1, SNMP_MSG_TRAP2);
> init_traps();
> [ populate notification_vars ]
> send_v2trap(notification_vars);

It's not clear what you mean by "a standalone".

The 'send_v2trap' routine is part of the agent API.
If you're working with a standalone application, then
this won't work. You'll need to use 'snmptrap.c' as
a template in this case.

But from the rest of your post, it sounds as if you are
working with some sort of agent.


> When I step through in gdb, the sinks list is empty.

That's normal.
This list is a left-over from the early days of the project.

Now, traps are handled by the Notification MIB module.
That's the purpose of the SNMPD_CALLBACK_SEND_TRAP[12]
calls towards the end of netsnmp_send_traps.


> Does anyone happen to have sample code (I've searched!)
> for sending a trap from a standalone?

What do you mean by "a standalone"?

Dave

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> It's not clear what you mean by "a standalone".
>
> The 'send_v2trap' routine is part of the agent API.
> If you're working with a standalone application, then
> this won't work. You'll need to use 'snmptrap.c' as
> a template in this case.

Ah, thanks. I didn't realize that API calls would require a running
agent, which I don't have the luxury of. I was hoping to be able to
avoid working with netsnmp_session objects directly.

> That's normal.
> This list is a left-over from the early days of the project.

Ah, good to know.

Thanks for the help,
-Dan

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