#! /bin/sh
#
# spamd          Start/Stop the spam filter daemon.
#
# chkconfig: 2345 40 60
# description: spamd is a daemonized version of spamassassin
#	The point is to avoid the overhead of starting a
#	new copy of spamassassin (including perl) each
#	it is needed.

# processname: spamd
# config: 	# none
# pidfile: /var/run/spamd.pid

progpath=/usr/local/bin/spamd

proc_running(){
	proc=$1
	if test -f /var/run/$proc.pid ; then
		pid=$( cat /var/run/$proc.pid )
		if test -n "pid" && 2>/dev/null kill -0 $pid ; then
			return 0
		fi
	fi
	return 1
}

## Note that this will EXIT if the proc can't start
## within ten seconds
## cutting off any chance of continuing toward partial success.
proc_ok(){
	proc=$1
	ii=0
	while test $ii -lt 10 ; do
		if proc_running $proc ; then
		  echo "ok."
		  return
		else
		  echo -n .
		  sleep 1
		fi
		: $((ii += 1))
	done

	echo "failed!"
	exit 1
}

stop_proc() {
	proc="$1"
	sign="$2"
	proc_running $proc || return 0
	pid=$( cat /var/run/$proc.pid ) 
	echo -n "Stopping $proc ($pid): "
	kill -15 $sign$pid
	ii=0
	while test $ii -lt 10 ; do
		if proc_running $proc ; then
		  echo -n .
		  sleep 1
		else
		  echo "stopped."
		  return
		fi
		: $((ii += 1))
	done
	echo "Ooops, still running ($pid)."
}



verb="$1"; shift

case "$verb" in
	restart)
		$0 stop $@
		$0 start $@
	;;
	start)
		proc=spamd
		if proc_running $proc ; then
			1>&2 echo "  Oops, $proc is already running ($pid)."
		else
			echo -n "Starting spam daemon: "
			/bin/rm -f /var/run/$proc.pid
		  	$progpath -d -r /var/run/spamd.pid 
			proc_ok $proc
		fi
	;;

	stop)
		stop_proc spamd  ""
	;;

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