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Special Forums IP Networking Identifying Server graceful shutdown Post 302491804 by Corona688 on Friday 28th of January 2011 10:46:08 AM
Old 01-28-2011
There's only so much you can learn from a lack of information.

If you weren't expecting even a graceful close, you can probably mark that down to either a server bug, server crash, or someone killing that program. I'd have expected an actual error return from a network problem. And if it breaks gracelessly that could be either a network problem or someone pulling the plug(data, power, whatever -- yours or theirs!). Experiment with it a bit, see what results you get from different kinds of failures. There might be nothing for it but to see if it's possible to recontact the server after the socket close to tell the difference between some failures.
 

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UNIXSERVER(1)						      General Commands Manual						     UNIXSERVER(1)

NAME
unixserver - UNIX domain socket server SYNOPSIS
unixserver [options] socket program DESCRIPTION
Unixserver is UNIX domain socket server that conform to UCSPI, the UNIX Client-Server Program Interface. OPTIONS
-q Quiet. Do not print any messages. -Q (default) Print error messages. -v Verbose. Print error and status messages. -d Do not delete the socket file on exit. -D (default) Delete the socket file on exit. -u UID Change user id to UID after creating socket. -g GID Change group id to GID after creating socket. -U Same as '-u $UID -g $GID'. -o UID Make the socket owned by UID. -r GID Make the socket group owned by GID. -O Same as '-o $SOCKET_UID -r $SOCKET_GID'. -p PERM Set the permissions on the created socket (in octal). Note: this option, if set, overrides the mask below. (defaults to 0666 minus umask) -m MASK Set umask to MASK (in octal) before creating socket. (defaults to 0, previous value is restored afterwards) -c N Do not handle more than N simultaneous connections. (default 10) -b N Allow a backlog of N connections. -B BANNER Write BANNER to the client immediately after connecting. SEE ALSO
unixclient(1), unixcat(1) http://cr.yp.to/proto/ucspi.txt AUTHOR
ucspi-unix package was written by Bruce Guenter <bruceg@em.ca> This manual page was originally written by Tomas Kuliavas <tokul@bigfoot.com> for the Debian GNU/Linux system, but may be used elsewhere under the GPL. UNIXSERVER(1)
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