#!/bin/sh
#
# Synchronet BBS detached-screen init script
#
# User definable options.  Edit these as necessary.
#

# For now, the location of the sbbs install.
PREFIX=/usr/local/sbbs

# The location of the sbbs executable.
SBBSEXEC=$PREFIX/exec

# Location of the ctrl directory (where sbbs.ini can be found)
export SBBSCTRL=$PREFIX/ctrl

# The username for the bbs to change to once it has started.
USER=bbs

# The group to change to
GROUP=bbs

# Set this to the home directory of the user that the BBS runs as.
export HOME=/home/bbs

#
# Don't edit anything below this line.
#

PATH=$SBBSEXEC:/sbin:/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin
EXEC=$SBBSEXEC/sbbs
NAME=sbbs
DESC="Synchronet BBS Server"
PIDFILE=/var/run/sbbs.pid
SCREENFILE=/var/run/sbbs.screen

set -e

(test -f $EXEC) && (test -f `which screen`) || exit 0

if [ -z "`grep ^$USER /etc/passwd`" ]; then
	echo "User \"$USER\" does not exist in /etc/passwd"
	exit 1;
fi

if [ ! -z "$USER" ]; then
	USER=un$USER;
fi

if [ ! -z "$GROUP" ]; then
	GROUP=ug$GROUP;
fi

if [ -f $PIDFILE ]; then
	if [ $(ps -ef | grep $EXEC | grep -v grep | grep -c $EXEC) -eq 0 ]; then
		echo -n "stale lockfile found, removing -- "
		rm -f $PIDFILE;
	fi
fi

case "$1" in
   start)
	echo -n "Starting $DESC: "
	if [ -f $PIDFILE ]; then
		echo "already running according to $PIDFILE. Not started."
	else
		screen -m -D $EXEC $USER $GROUP &
		# fork process and give it a "screen"
		echo $! > $SCREENFILE
		sleep 2
		echo $(pidof $EXEC | tr \  \\n | sort | head -n1) > $PIDFILE
		echo "$NAME"
		echo "[ detached console ]"
	fi
	;;
   stop)
	echo -n "Stopping $DESC: "
	if [ ! -f $PIDFILE ]; then
		echo "None found running."
		exit 1;
	fi
	PID=`cat $PIDFILE`
	kill -TERM `expr $PID + 2` 2>&1 > /dev/null
	echo "$NAME."
	;;
force-stop)
	echo -n "Killing all $DESC: "
	if [ -f $PIDFILE ]; then
		kill -KILL `cat $PIDFILE` 2>&1 > /dev/null || true;
	fi
	killall -KILL $EXEC 2>&1 > /dev/null
	rm -f $PIDFILE
	echo "$NAME."
	;;
force-reload)
	echo -n "Reloading $DESC config: "
	if [ ! -f $PIDFILE ]; then
		echo "None found running."
		exit 1;
	fi
	PID=`cat $PIDFILE`
	kill -HUP `expr $PID + 2` 2>&1 > /dev/null
	echo "$NAME."
	;;
restart)
	echo -n "Restarting $DESC: "
	$0 stop
	sleep 5
	if [ ! $(ps -ef | grep $EXEC | grep -v grep | grep -c $EXEC) -eq 0 ]; then
		$0 force-stop;
	fi
	sleep 1
	$0 start
	echo "$NAME."
	;;
screen)
      # run this script with parameter of "screen" to get the virtual console
      # back that sbbs is running on.  To detach from the "screen" and
      # leave sbbs running, hit Ctrl-A and then D.

	if [ -f $PIDFILE ]; then
		screen -r `cat $SCREENFILE`
	else echo "No $NAME apparently running."
	fi
	;;
   *)
	echo "Usage: $0 {start|stop|restart|force-stop|force-reload|screen}"
	exit 1
esac

exit 0