s0vz

#!/bin/sh
### BEGIN INIT INFO
# Provides: s0vz
# Required-Start: rc.local
# Required-Stop:
# Default-Start: 2 3 4 5
# Default-Stop: 1
# Short-Description: S0/Impulse to Volkszaehler 'RaspberryPI deamon'.
#### END INIT INFO

#!/bin/bash

DAEMON="/usr/local/sbin/s0vz"
PIDFILE="/tmp/s0vz.pid"
USER="root"
#USER="pi"

test -f $DAEMON || exit 0

case "$1" in

    start)
        test ! -f $PIDFILE || { echo "Deamon already running!"; exit 0; }
        chrt -r 99 su -c $DAEMON ${USER}
        su -c "renice -99 `pidof $DAEMON`" >/dev/null 2>&1
        ;;

    stop)
        killall -q s0vz
        rm -f /tmp/s0vz.pid
        ;;

    restart)
        $0 stop
        $0 start
        ;;

*)
echo "Usage: $0 {start|stop|restart}"
exit 1
;;
esac