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author | Sascha Hauer <s.hauer@pengutronix.de> | 2010-06-24 17:37:00 +0200 |
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committer | Sascha Hauer <s.hauer@pengutronix.de> | 2010-06-24 17:37:00 +0200 |
commit | 485890986b6cff0ff2a1f23ef46cc50451c3110f (patch) | |
tree | dfb5cd6d55a245e05fac1b9517f723c6c3181b9c /scripts | |
parent | 7a1f70e70a8ef9cece22207f9f540624b4d982da (diff) | |
download | barebox-485890986b6cff0ff2a1f23ef46cc50451c3110f.tar.gz barebox-485890986b6cff0ff2a1f23ef46cc50451c3110f.tar.xz |
add netconsole host script
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'scripts')
-rwxr-xr-x | scripts/netconsole | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/scripts/netconsole b/scripts/netconsole new file mode 100755 index 0000000000..c8109bb095 --- /dev/null +++ b/scripts/netconsole @@ -0,0 +1,59 @@ +#!/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 |