Hi!
On Die, 2011-10-18 at 22:48 +0800, tao jiang wrote:
[...]
> Thanks for your guide.
> But there is still a question
> if recvfrom() used, how to figure out the client's dest ip for reply ?
> i.e. on which ip the server receieved the request
> when construct the IP header, i don't know which saddr to fill in
Ooops, forgot that we need the destination address of the received
packet too to construct the answer for it.
Then yes, it seems that you would need the raw packet on the receiving
side too.
[ Full quote deelted ]
Bernd
--
Bernd Petrovitsch Email : bernd@xxxxxxxxxxxxxxxxxxx
LUGA : http://www.luga.at
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