#!/bin/sh
### BEGIN INIT INFO
# Provides:          citadel
# Required-Start:    $remote_fs $syslog
# Required-Stop:     $remote_fs $syslog
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: control citadel server start at boot time
# Description:       control citadel server start at boot time
### END INIT INFO

# uncomment this to create coredumps as described in
# http://www.citadel.org/doku.php/faq:mastering_your_os:gdb#how.do.i.make.my.system.produce.core-files
# ulimit -c unlimited

# Author: Wilfried Goesgens <citadel@outgesourced.org>

RUNDIR=/var/run/citadel
PATH=/sbin:/usr/sbin:/bin:/usr/bin
DESC="Citadel Groupware "
NAME=citserver
DAEMON=/usr/sbin/$NAME
PIDFILE=$RUNDIR/citadel.pid
DAEMON_ARGS=" -d -lmail -t/dev/null"
SCRIPTNAME=/etc/init.d/citadel
SENDCOMMAND=/usr/sbin/sendcommand

# Exit if the package is not installed
[ -x "$DAEMON" ] || { echo "$DAEMON not installed"; exit 1; }

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

MODERN=

# Load the VERBOSE setting and other rcS variables
if test -f /lib/init/vars.sh ; then
    . /lib/init/vars.sh
    MODERN=1
fi
# Define LSB log_* functions.
# Depend on lsb-base (>= 3.0-6) to ensure that this file is present.
if test -f /lib/lsb/init-functions; then
    . /lib/lsb/init-functions
    MODERN=1
fi

#
# Function that starts the daemon/service
#
do_start()
{
        # check our volatile dirs.
        if test ! -d $RUNDIR; then
	    mkdir -p $RUNDIR
	    chmod go+rx $RUNDIR
	fi
	# Return
	#   0 if daemon has been started
	#   1 if daemon was already running
	#   2 if daemon could not be started
	if $DAEMON \
		$DAEMON_ARGS ; then
	    return 0
	else
	    return 2
	fi
}

#
# Function that stops the daemon/service
#
do_stop()
{
	if test -S $RUNDIR/citadel.socket; then 
	    sendcommand "DOWN" || :
	fi

	PID=`cat $PIDFILE 2>/dev/null || :`
	if [ ! -z $PID ]; then
	    rm -f $PIDFILE
	    count=0;
	    while test -S /var/run/citadel/citadel.socket -o -d /proc/$PID; do 
		count=$(($count+1))
		sleep 1
		echo -n "."
		if test "$count" = "10"; then
		    kill $PID
		fi
		if test "$count" = "20"; then
		    kill -9 $PID
		    rm -rf /var/run/citadel/*
		fi
	    done
		return 0
	fi

	return 0
}

#
# Function that sends a SIGHUP to the daemon/service
#
do_reload() {
	# Return
	#   0 if daemon could not be restarted
	#   1 if daemon has been restarted
	#   other if a failure occurred
        if $SENDCOMMAND "DOWN 1" 2>&1|grep '200 Restarting'>/dev/null ; then
	    return 1
	fi
	return 0
}

case "$1" in
  start)
	if test -n "$MODERN"; then
	    [ "$VERBOSE" != no ] && log_daemon_msg "Starting $DESC" "$NAME"
	else
	    echo "Starting $DESC" "$NAME"
	fi

	do_start
	if test -n "$MODERN"; then
	    case "$?" in
		0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;;
		2) [ "$VERBOSE" != no ] && log_end_msg 1 ;;
	    esac
	fi
	;;
  stop)
	if test -n "$MODERN"; then
	    [ "$VERBOSE" != no ] && log_daemon_msg "Stopping $DESC" "$NAME"
	else
	    echo "Stopping $DESC" "$NAME"
	fi
	do_stop
	if test -n "$MODERN"; then
		[ "$VERBOSE" != no ] && log_end_msg 0
	fi
	;;
  restart)
	$0 stop
	$0 start
	;;
  force-reload)
	if test -n "$MODERN"; then
	    log_daemon_msg "Restarting $DESC" "$NAME"
	else
	    echo "Restarting $DESC" "$NAME"
	fi

	do_reload

	if test -n "$MODERN"; then
	    case "$?" in
		0)
		    log_end_msg 0
		    ;;
		1)
	  	# Failed to stop
		    log_end_msg 1
		    ;;
	    esac
	fi
	;;

  status)
	status_of_proc "$DAEMON" $NAME
	;;

  *)
	echo "Usage: $SCRIPTNAME {start|stop|restart|force-reload}" >&2
	exit 3
	;;
esac

exit 0