usage() {
(
- echo "Usage: $0 <board IP> [board port]"
+ echo "Usage: $0 <board-IP> [board-port [board-in-port]]"
echo ""
echo "If port is not specified, '6666' will be used"
[ -z "$*" ] && exit 0
done
ip=$1
-port=${2:-6666}
+board_out_port=${2:-6666}
+board_in_port=${3:-${board_out_port}}
-if [ -z "${ip}" ] || [ -n "$3" ] ; then
+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 netcat nc ; do
- type ${nc} >/dev/null && break
+ type ${nc} >/dev/null 2>&1 && break
done
trap "stty icanon echo intr ^C" 0 2 3 5 10 13 15
echo "NOTE: the interrupt signal (normally ^C) has been remapped to ^T"
stty -icanon -echo intr ^T
-${nc} -u -l -p ${port} < /dev/null &
-exec ${nc} -u ${ip} ${port}
+(
+if type ncb 2>/dev/null ; then
+ # see if ncb is in $PATH
+ exec ncb ${board_out_port}
+
+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 ${board_out_port} < /dev/null ; do
+ :
+ done
+fi
+) &
+pid=$!
+${nc} -u ${ip} ${board_in_port}
+kill ${pid} 2>/dev/null