#!/bin/sh
#
# Check http://wiki.debian.org/LSBInitScripts
#
### BEGIN INIT INFO
# Provides:          torrent
# Required-Start:    $local_fs $network $syslog
# Required-Stop:     $syslog
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: Start torrent in a screen session
### END INIT INFO

start_transmission() {
    # run screen as root, otherwise rtorrent would own a screen process
    # it cannot access to, due to /dev/pts/* acls.
    screen -dmS torrent su --login torrent -c "transmission-daemon -f"
}
configure_transmission() {
    su --login torrent -c "transmission-remote --folder /server/torrent/download/ --port-mapping --encryption preferred --download-unlimited --upload-limit 5 --enable-pex"
}
stop_transmission() {
    su --login torrent -c "transmission-remote -q"
}
stop_screen() {
    screen -X "exit" torrent
}

case "$1" in
    start)
	echo "Starting torrent..."
	stop_screen > /dev/null # we shouldn't have concurrent screen sessions
	start_transmission
	sleep 5s && configure_transmission & # time for the daemon to start
	;;
    stop)
	echo "Stopping torrent..."
	stop_transmission
	stop_screen
	;;
    restart)
	echo "Restarting torrent..."
	stop_transmission
	stop_screen	
	start_transmission
	sleep 5s && configure_transmission & # time for the daemon to start
	;;
    force-reload)
	echo "Reloading torrent..."
	configure_transmission
	;;
    status)
	# quite crude
	ps aux | grep transmission
	;;
    *)
	echo "Usage: $0 {start|stop|restart|force-reload|status}"
	exit 1
	;;
esac

exit 0