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#!/bin/bash
#
# Script to start/stop spanning tree called from kernel
# Make sure umask is sane
umask 022
# Set up a default search path.
PATH="/sbin:/usr/sbin:/bin:/usr/bin"
export PATH
if [ $# -ne 2 ]; then
echo "Usage: bridge-stp <bridge> {start|stop}"
exit 1
fi
bridge=$1
service=rstpd
pid_file=/var/run/${servicename}.pid
# Set $pid to pids from /var/run* for {program}. $pid should be declared
# local in the caller.
# Returns LSB exit code for the 'status' action.
checkpid() {
pid=
if [ -f "$1" ] ; then
local line p
read line < "$pid_file"
for p in $line ; do
[ -z "${p//[0-9]/}" -a -d "/proc/$p" ] && pid="$pid $p"
done
if [ -n "$pid" ]; then
return 0
fi
return 1 # "Program is dead and /var/run pid file exists"
fi
return 3 # "Program is not running"
}
daemon() {
local pid
checkpid $pid_file
[ -n "$pid" ] && return
# start it
/sbin/rstpd
RETVAL=$?
[ $RETVAL -eq 0 ] && touch /var/lock/subsys/$service
}
start() {
daemon
}
case $2 in
start)
daemon
exec /sbin/rstpctl rstp $bridge on ;;
stop)
exec /sbin/rstpctl rstp $bridge off ;;
*)
echo "Unknown action:" $2
echo "Usage: bridge-stp <bridge> {start|stop}"
exit 1
esac
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