[ILUG] (no subject)

[Dave Airlie]

This is the only way Linux can report back the error on the socket...

so it sees box 1 has closed, and reports the error on the next call on the
socket...

use two sockets...

Dave.


On Thu, 25 Apr 2002, Padraig Brady wrote:

> Stephen Shirley wrote:
> > Mornin' all,
> > 	Right, here's a weird one for ye. I have a processs on a linux box,
> > writing to 2 sun boxes alternately, over UDP. If i shut down the
> > listener on sun box no. 1, i start getting "Connection refused" from sun
> > box no. _2_. Just to be sure, i used netcat to connect to the port on
> > box no. 2, and sure enough, it was fine.
> > 	Now all the above writing was done using sendto() on a single
> > socket. If i change the code so that it opens a new socket each time it
> > wants to write, and calls connect(), and then uses write(), it all works
> > fine.
>
> Weird. Are you sure you're not calling connect() in the sendto()
> implementation?
>
> > 	I'm also having problems with dropped packets on a private lan, but
> > 	i don't know if that's related yet or not.Anyone have any
> > 	suggestions/similar experiences/funny stoires?
>
> You can't ever assume no packet loss for UDP.
> Even on localhost.
>
> Padraig.
>
>
>

-- 
David Airlie, Software Engineer
http://www.skynet.ie/~airlied / airlied at skynet.ie
pam_smb / Linux DecStation / Linux VAX / ILUG person