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#!/bin/sh
#
# cdemu-daemon: CDEmu daemon
#

### BEGIN INIT INFO
# Provides:          cdemu-daemon
# Short-Description: Start the CDEmu daemon
# Description:       System mode startup script for
#                    the CDEmu daemon.
### END INIT INFO

# This script is based on the ubuntu and fedora init script.
# Modified by Nille Åkerström

NAME="cdemud"
DESC="cdemu-daemon"
LOCK="/var/lock/${DESC}.lock"
PID=$(/sbin/pidof -o %PPID ${NAME})

# Get the configuration information from /etc/rc.d/rc.cdemud.conf:
. /etc/rc.d/rc.cdemud.conf

start() 
{
    # Check if already started
    if [ -n "${PID}" ] ;then
	echo "${DESC} is already running at pid: ${PID}"
	return ${RETVAL}
	exit
    fi

    # Load module
    if [ -n "${MODULE}" ]; then
        echo -n "Inserting ${MODULE} kernel module"
        modprobe "${MODULE}" >/dev/null 2>&1
        RETVAL=$?
	if [ ${RETVAL} -eq 0 ]; then
            echo -e "\t\t\t\t\t[  OK  ]\r"
        else
            echo -e "\t\t\t\t\t[FAILED]\r"
        fi
    fi
    
    # Wait until control device is created...
    if [ -n "${CTL_DEVICE}" ]; then
        echo -n "Waiting for ${CTL_DEVICE} to be created"

        CTL_WAIT=30 # Wait at most 30 seconds
        RETVAL=1
        until [ ${CTL_WAIT} -eq 0 ]; do
            if [ -c "${CTL_DEVICE}" ]; then
                CTL_WAIT=0
                RETVAL=0
            else
                CTL_WAIT=$((CTL_WAIT-1))
                sleep 1
            fi
        done

	if [ ${RETVAL} -eq 0 ]; then
            echo -e "\t\t\t\t[  OK  ]\r"
        else
            echo -e "\t\t\t\t[FAILED]\r"
        fi
    fi


    # Daemon arguments
    DAEMON_ARGS="--daemonize"
    
    if [ -n "${DEVICES}" ]; then
        DAEMON_ARGS="${DAEMON_ARGS} --num-devices=${DEVICES}"
    fi
    if [ -n "${CTL_DEVICE}" ]; then
        DAEMON_ARGS="${DAEMON_ARGS} --ctl-device=${CTL_DEVICE}"
    fi
    if [ -n "${AUDIO_DRIVER}" ]; then
        DAEMON_ARGS="${DAEMON_ARGS} --audio-driver=${AUDIO_DRIVER}"
    fi
    if [ -n "${BUS}" ]; then
        DAEMON_ARGS="${DAEMON_ARGS} --bus=${BUS}"
    fi

    # Start daemon
    echo -n "Starting ${DESC}"
    $NAME ${DAEMON_ARGS} >/dev/null 2>&1
    RETVAL=$?
    if [ ${RETVAL} -eq 0 ] && touch ${LOCK} ; then
        echo -e "\t\t\t\t\t\t[  OK  ]\r"
        else
        echo -e "\t\t\t\t\t\t[FAILED]\r"
    fi
    return ${RETVAL}
}

stop() 
{
        # Stopping daemon
        echo -n "Stopping ${DESC}"
	if [ -n "${PID}" ] ;then
            $NAME -k >/dev/null 2>&1
            RETVAL=$?
            if [ ${RETVAL} -eq 0 ]; then
                echo -e "\t\t\t\t\t\t[  OK  ]\r"
                else
                echo -e "\t\t\t\t\t\t[FAILED]\r"
            fi
	 else 
            echo -e "\t\t\t\tWarning: ${DESC} isn't running"
	    RETVAL=0
	 fi
					    

          # Unload module
          echo -n "Removing ${MODULE} kernel module"
          LOADED=`lsmod | grep -o -e ^${MODULE} -`
          if [ "${LOADED}" = "${MODULE}" ]; then
              modprobe -r "${MODULE}" >/dev/null 2>&1
              RETVAL=$?
              if [ ${RETVAL} -eq 0 ]; then
                  echo -e "\t\t\t\t\t[  OK  ]\r"
                  else
                  echo -e "\t\t\t\t\t[FAILED]\r"
              fi
          return ${RETVAL}
          if [ $RETVAL -eq 0 ]; then
	      rm -f $LOCK
          fi
          else
              echo -e "\t\t\tWarning: ${MODULE} isn't loaded"
              RETVAL=0
          fi
          return ${RETVAL}
}

restart() {
          stop
          RETVAL=$?
          if [ ${RETVAL} -eq 0 ]; then
              PID=$(/sbin/pidof -o %PPID ${NAME})
              start
              RETVAL=$?
              if [ ${RETVAL} -ne 0 ]; then
		  echo "Couldn't start ${DESC} retry in 3sec."
		  sleep 3
		  start
		  RETVAL=$?
              fi
          fi
          return ${RETVAL}
}

# See how we were called.
case "$1" in
    "start")
        start
        ;;
    "stop")
        stop
        ;;
    "restart")
        restart
        ;;
    "force-reload" | "reload")
        echo "Warning: Not implemented"
        ;;
    *)
        echo "Usage: $0 {start|stop|restart|force-reload|reload}"
        ;;
esac

exit ${RETVAL}