#! /bin/sh
### BEGIN INIT INFO
# Provides:          awful
# Required-Start:    $local_fs $network
# Required-Stop:     $local_fs
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: Awful web framework
# Description:       This script starts the awful web framework (see http://wiki.call-cc.org/egg/awful)
### END INIT INFO

# Author: Mario Domenech Goulart (http://parenteses.org/mario)

PATH=/sbin:/usr/sbin:/bin:/usr/bin
DESC="Awful web framework"
NAME=awful
DAEMON=/usr/bin/$NAME
DAEMON_ARGS=""
PIDFILE=/var/run/$NAME.pid
SCRIPTNAME=/etc/init.d/$NAME

[ -e "/etc/awful/awful.conf" ] && DAEMON_ARGS="/etc/awful/awful.conf $DAEMON_ARGS"

# Exit if the package is not installed
[ -x "$DAEMON" ] || exit 0

# Read configuration variable file if it is present
[ -r /etc/default/$NAME ] && . /etc/default/$NAME

# Load the VERBOSE setting and other rcS variables
. /lib/init/vars.sh

# Define LSB log_* functions.
# Depend on lsb-base (>= 3.0-6) to ensure that this file is present.
. /lib/lsb/init-functions

awful_pid () {
    ps ax | grep "$DAEMON" 2> /dev/null | grep -v grep | awk '{print $1}'
}

#
# Function that starts the daemon/service
#
do_start()
{
    # Return
    #   0 if daemon has been started
    #   1 if daemon was already running
    #   2 if daemon could not be started
    pid=`awful_pid`
    if  [ -z "$pid" ]; then
        # make sure /var/log/awful exists an awful can write to it
        $DAEMON $DAEMON_ARGS &> /var/log/awful/init.log &
        if [ "$?" == "0" ]; then
            return 0
        else
            return 2
        fi
    else
        return 1
    fi
}

#
# Function that stops the daemon/service
#
do_stop()
{
    # Return
    #   0 if daemon has been stopped
    #   1 if daemon was already stopped
    #   2 if daemon could not be stopped
    #   other if a failure occurred
    pid=`awful_pid`
    if [ -z "$pid" ]; then
        return 1
    fi

    kill $pid
    if [ "$?" == "0" ]; then
        return 0
    else
        return 2
    fi
}

#
# Function to reload
#
do_reload() {
    # Considering awful defines a /reload page
    wget -O /dev/null http://localhost/reload &> /dev/null
}

case "$1" in
  start)
        [ "$VERBOSE" != no ] && log_daemon_msg "Starting $DESC" "$NAME"
        do_start
        case "$?" in
                0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;;
                2) [ "$VERBOSE" != no ] && log_end_msg 1 ;;
        esac
        ;;
  stop)
        [ "$VERBOSE" != no ] && log_daemon_msg "Stopping $DESC" "$NAME"
        do_stop
        case "$?" in
                0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;;
                2) [ "$VERBOSE" != no ] && log_end_msg 1 ;;
        esac
        ;;
  reload|force-reload)
        do_reload
        ;;
  restart)
        log_daemon_msg "Restarting $DESC" "$NAME"
        do_stop
        case "$?" in
          0|1)
                do_start
                case "$?" in
                        0) log_end_msg 0 ;;
                        1) log_end_msg 1 ;; # Old process is still running
                        *) log_end_msg 1 ;; # Failed to start
                esac
                ;;
          *)
                # Failed to stop
                log_end_msg 1
                ;;
        esac
        ;;
  *)
        echo "Usage: $SCRIPTNAME {start|stop|restart|reload|force-reload}" >&2
        exit 3
        ;;
esac

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