Re: struct socket and peers

Fred Love (flove@mindspring.com)
Tue, 01 Jul 1997 17:18:42 -0500

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James R. Leu wrote:
>
> This a "How do I do this in the kernel" question. If there is a better list
> to post to, please give me the address, and I will take my question else
> where.
>
> With a udp socket (struct socket) how can I tell if it's peer is connected,
> or if there is data waitng to be read.
>
> It is my understanding that (struct socket*)s->conn is not used with IP
> protocols.
>
> Thanks
> --
> James R. Leu

Hi James,
UDP is connectionless in nature, you just use the sendto() recvfrom()
calls to send to a remote IP/port or receive from a remote IP/port UDP
socket. This assumes you have already done the work to create the
socket, etc.

Fred

Next message: Dr. Werner Fink: "Time for a pre-patch-2.0.31-3?"
Previous message: Phil Karn: "Bug#10955: with IP masquerading, tcpdump doesn't show what's on the wire"
Maybe in reply to: James R. Leu: "struct socket and peers"