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- #!/bin/sh
- usage() {
- (
- echo "Usage: $0 <board IP> [board port]"
- echo ""
- echo "If port is not specified, '6666' will be used"
- [ -z "$*" ] && 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=$1
- port=${2:-6666}
- if [ -z "${ip}" ] || [ -n "$3" ] ; then
- usage "Invalid number of arguments"
- fi
- for nc in 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 ${port}
- elif [ -x ${0%/*}/ncb ] ; then
- # maybe it's in the same dir as the netconsole script
- exec ${0%/*}/ncb ${port}
- else
- # blah, just use regular netcat
- while ${nc} -u -l -p ${port} < /dev/null ; do
- :
- done
- fi
- ) &
- pid=$!
- ${nc} -u ${ip} ${port}
- kill ${pid} 2>/dev/null
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