Problem with a UDP server implements

[michi1 at michaelblizek.twilightparadox.com]

Hi!

On 16:29 Sat 15 Oct     , tao jiang wrote:
> michi:
> 
> 1.
> Is that to create two sockets
> and one bind to 10.0.0.1 the other bind to 10.0.0.2
> then use epoll wait these two sockets ?

Yes, exactly.

> 2.
> Is there any way to find out the turple like TCP
> then the UDP server can reply with exactly the ip it recieved the
> client's request ?

You should receive the packet only on the socket which is bound to the
address. You can save the bind address somewhere, so you know the local
address. You will know the client address because it is passed back by
recvfrom.

	-Michi
-- 
programing a layer 3+4 network protocol for mesh networks
see http://michaelblizek.twilightparadox.com