5 echo "Usage: $0 <board-IP> [board-port [board-in-port]]"
7 echo "If port is not specified, '6666' will be used"
16 while [ -n "$1" ] ; do
20 -*) usage "Invalid option $1";;
27 board_out_port=${2:-6666}
28 board_in_port=${3:-${board_out_port}}
30 echo Board out port: ${board_out_port}
31 echo Board in port: ${board_in_port}
33 if [ -z "${ip}" ] || [ -n "$4" ] ; then
34 usage "Invalid number of arguments"
37 for nc in socat netcat nc ; do
38 type ${nc} >/dev/null 2>&1 && break
41 trap "stty icanon echo intr ^C" 0 2 3 5 10 13 15
42 echo "NOTE: the interrupt signal (normally ^C) has been remapped to ^T"
44 stty -icanon -echo intr ^T
46 if type ncb 2>/dev/null ; then
47 # see if ncb is in $PATH
48 exec ncb ${board_out_port}
50 elif [ "${nc}" = "socat" ] ; then
51 # socat does support broadcast
52 while ${nc} STDIO "UDP4-LISTEN:${board_out_port}"; do :; done
54 elif [ -x ${0%/*}/ncb ] ; then
55 # maybe it's in the same dir as the netconsole script
56 exec ${0%/*}/ncb ${board_out_port}
59 # blah, just use regular netcat
60 while ${nc} -u -l -p ${board_out_port} < /dev/null ; do
66 if [ "${nc}" = "socat" ] ; then
67 ${nc} - "UDP4:${ip}:${board_in_port}"
69 ${nc} -u ${ip} ${board_in_port}
71 kill ${pid} 2>/dev/null