#! /bin/sh
# init fragment for cancd
#
# chkconfig: 2345 29 20
# description: Start cancd at system boot
#
### BEGIN INIT INFO
# Provides: cancd
# Required-Start: network
# Should-Start: 
# Required-Stop:
# Default-Start: 2 3 5
# Default-Stop:
# Description: start cancd driver at system boot
### END INIT INFO


# Force LC_ALL=C
export LC_ALL=C
 
if [ -f /etc/redhat-release ]
then
. /etc/init.d/functions

init_status()
{
    return 0
}

success_status()
{
    success
    echo
}

failure_status()
{
    failure $1
    echo
}

exit_status()
{
    exit $?
}
elif [ -f /etc/SuSE-release -o -f /etc/UnitedLinux-release ]
then
. /etc/rc.status

init_status()
{
    rc_reset
}

success_status()
{
    /bin/true
    rc_status -v
}

failure_status()
{
    /bin/false
    rc_status -v
}

exit_status()
{
    rc_exit
}
else
init_status()
{
    return 0
}

success_status()
{
    echo "OK"
    return 0
}

failure_status()
{
    echo "Failed"
    return 0
}

exit_status()
{
    exit $?
}
fi

# Source configuration
[ -f /etc/sysconfig/cancd ] && . /etc/sysconfig/cancd

init_status


#
# if_fail()
#
# Evaluates return codes.  If 0, prints "OK", if 1, prints "Failed"
# and exits.  If 2, status is "already done" and nothing is printed.
# The rest of the functions in here all honor this convention.
#
if_fail()
{
    RC="$1"
    REASON="$2"
    if [ "$RC" = "0" ]
    then
        success_status
        return
    elif [ "$RC" = "2" ]
    then
        return
    fi
    failure_status ${REASON}
    exit 1
}

find_running()
{
    ps -ef | awk '/awk/{next}/\/usr\/sbin\/cancd/{print $2}'
}

start()
{
    OPT_PORT=
    if [ -n "$CANCD_PORT" ]
    then
        OPT_PORT="-p ${CANCD_PORT}"
    fi
    OPT_PATH= 
    if [ -n "$CANCD_PATH" ]
    then
        OPT_PATH="-l ${CANCD_PATH}"
    fi
    
    echo -n "Starting cancd server: "
    OUTPUT="`find_running 2>/dev/null`"
    if [ -z "$OUTPUT" ]
    then
        if [ -n "$CANCD_USER" ]
        then
            su - "$CANCD_USER" -c "/usr/sbin/cancd $OPT_PORT $OPT_PATH"
        else
            /usr/sbin/cancd $OPT_PORT $OPT_PATH
        fi
        if_fail $? "Unable to start cancd"
    else
        if_fail 0 "Already running"
    fi
}

stop()
{
    echo -n "Stopping cancd: "
    OUTPUT="`find_running 2>/dev/null`"
    if [ -z "$OUTPUT" ]
    then
        if_fail 0 "Not running"
    else
        kill $OUTPUT
        if_fail $? "Unable to kill cancd"
    fi
}

status()
{
    OUTPUT="`find_running 2>/dev/null`"
    if [ -n "$OUTPUT" ]
    then
        echo "cancd is running"
    else
        echo "cancd is not running"
    fi
}

case "$1" in
    start)
        start
	;;
	
    status)
        status
        ;;

    stop)
        stop
        ;;

    restart)
        stop
        start
	;;

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

exit 0