mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-30 15:03:18 +00:00
f0d4607d25
socat is a very powerful tool to work with socets (and not only) in UNIX systems. Let's add support for it in netconsole. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Tested-by: Ferry Toth <fntoth@gmail.com> Reviewed-by: Ramon Fried <rfried.dev@gmail.com>
71 lines
1.4 KiB
Bash
Executable file
71 lines
1.4 KiB
Bash
Executable file
#!/bin/sh
|
|
|
|
usage() {
|
|
(
|
|
echo "Usage: $0 <board-IP> [board-port [board-in-port]]"
|
|
echo ""
|
|
echo "If port is not specified, '6666' will be used"
|
|
[ -z "$*" ] && exit 0
|
|
echo ""
|
|
echo "ERROR: $*"
|
|
exit 1
|
|
) 1>&2
|
|
exit $?
|
|
}
|
|
|
|
while [ -n "$1" ] ; do
|
|
case $1 in
|
|
-h|--help) usage;;
|
|
--) break;;
|
|
-*) usage "Invalid option $1";;
|
|
*) break;;
|
|
esac
|
|
shift
|
|
done
|
|
|
|
ip=$1
|
|
board_out_port=${2:-6666}
|
|
board_in_port=${3:-${board_out_port}}
|
|
|
|
echo Board out port: ${board_out_port}
|
|
echo Board in port: ${board_in_port}
|
|
|
|
if [ -z "${ip}" ] || [ -n "$4" ] ; then
|
|
usage "Invalid number of arguments"
|
|
fi
|
|
|
|
for nc in socat netcat nc ; do
|
|
type ${nc} >/dev/null 2>&1 && break
|
|
done
|
|
|
|
trap "stty icanon echo intr ^C" 0 2 3 5 10 13 15
|
|
echo "NOTE: the interrupt signal (normally ^C) has been remapped to ^T"
|
|
|
|
stty -icanon -echo intr ^T
|
|
(
|
|
if type ncb 2>/dev/null ; then
|
|
# see if ncb is in $PATH
|
|
exec ncb ${board_out_port}
|
|
|
|
elif [ "${nc}" = "socat" ] ; then
|
|
# socat does support broadcast
|
|
while ${nc} STDIO "UDP4-LISTEN:${board_out_port}"; do :; done
|
|
|
|
elif [ -x ${0%/*}/ncb ] ; then
|
|
# maybe it's in the same dir as the netconsole script
|
|
exec ${0%/*}/ncb ${board_out_port}
|
|
|
|
else
|
|
# blah, just use regular netcat
|
|
while ${nc} -u -l -p ${board_out_port} < /dev/null ; do
|
|
:
|
|
done
|
|
fi
|
|
) &
|
|
pid=$!
|
|
if [ "${nc}" = "socat" ] ; then
|
|
${nc} - "UDP4:${ip}:${board_in_port}"
|
|
else
|
|
${nc} -u ${ip} ${board_in_port}
|
|
fi
|
|
kill ${pid} 2>/dev/null
|