#!/bin/sh

# x-vdr (Installations-Skript fuer einen VDR mit Debian als Basis)
# von Marc Wernecke - www.zulu-entertainment.de
# 24.01.2009

# /etc/init.d/vdradmin-am

# Default settings
if [ -f /etc/default/vdr ]; then
  . /etc/default/vdr
  USER=$VDRUSER
  GROUP=$VDRGROUP
else
  USER=root
  GROUP=root
fi

# Script settings
PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin
DAEMON=/usr/bin/vdradmind
NAME=vdradmin
DESC="VDR Webadministration interface"
PIDFILE=/var/run/vdradmin.pid
NICE="10"

test -x $DAEMON || exit 0

set -e

# Check if the logfile exists allready, if not, create it and set 
# group and owner to $USER:$GROUP
function create_logfile () {
  LOGFILE="/var/log/vdradmind.log"
  if [ ! -e $LOGFILE ] ; then
    touch $LOGFILE
    chown $USER:$GROUP $LOGFILE
  fi
}

function init_language_environment() {
  if [ -f /etc/environment ]; then
    for var in LANG LC_ALL LC_CTYPE ; do
      value=$(egrep "^[^#]*${var}=" /etc/environment | tail -n1 | cut -d= -f2)
      eval $var=$value
    done
  fi
}

function start_daemon() {
  if [ "$vdradmin" != "off" ] && [ "$AUTOSTART" != "off" ]; then
    init_language_environment
    create_logfile
    LANG=$LANG start-stop-daemon --start \
    -c $USER:$GROUP -b -m --nicelevel $NICE --pidfile $PIDFILE \
    --exec $DAEMON -- -nf
    echo "$NAME."
  else
    echo -n "- aborted (to enable the daemon, edit /etc/default/vdr)"
  fi
}

function get_status() {
  if start-stop-daemon --start --startas $DAEMON --test \
     --name $(basename $DAEMON) --pidfile $PIDFILE >/dev/null
  then
    echo " - is not running."
    exit 3
  else
    echo " - is running."
    exit 0
  fi
}

function stop_daemon() {
  start-stop-daemon --stop -q -o --pidfile $PIDFILE > /dev/null
}

case "$1" in
  start)
    echo -n "Starting $DESC: "
    start_daemon
    ;;
  stop)
    echo -n "Stopping $DESC: "
    stop_daemon
    echo "$NAME."
    ;;
  restart|force-reload)
    echo -n "Restarting $DESC: "
    stop_daemon
    start_daemon
    ;;
  status)
    echo -n "Getting status of $DESC: $NAME"
    get_status
    ;;
  *)
    N=/etc/init.d/$NAME
    echo "Usage: $N {start|stop|restart|force-reload}" >&2
    exit 1
    ;;
esac

exit 0