#!/bin/bash
### BEGIN INIT INFO
# Provides:          rtorrent
# Required-Start:    $local_fs $remote_fs $network $syslog
# Required-Stop:     $local_fs $remote_fs $network $syslog
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: Start/stop rtorrent daemon
### END INIT INFO

# This script is an init script to run rtorrent in the background,
# using a screen. The script was designed and tested for Debian
# systems, but may work on other systems. On Debian, enable it by
# moving the script to "/etc/init.d/rtorrent" and issuing the command
# "update-rc.d rtorrent defaults 99"

USER=greg # username to run rtorrent under
RTORRENT=/usr/bin/rtorrent # rtorrent binary
SCREEN=/usr/bin/screen # screen binary
SCREEN_NAME=rtorrent # screen name (this way you can screen -r rtorrent)
PIDFILE=/var/run/rtorrent.pid # pidfile

case "$1" in

    start)
        echo "Starting rtorrent."
        start-stop-daemon --start --background --oknodo \
            --pidfile "$PIDFILE" --make-pidfile \
            --chuid $USER \
            --exec $SCREEN -- -DmUS $SCREEN_NAME $RTORRENT
        if [[ $? -ne 0 ]]; then
            echo "Error: rtorrent failed to start."
            exit 1
        fi
        echo "rtorrent started successfully."
        ;;

    stop)
        echo "Stopping rtorrent."
        start-stop-daemon --stop --oknodo --pidfile "$PIDFILE"
        if [[ $? -ne 0 ]]; then
            echo "Error: failed to stop rtorrent process."
            exit 1
        fi
        echo "rtorrent stopped successfully."
        ;;

    restart|force-reload)
        "$0" stop
        sleep 1
        "$0" start || exit 1
        ;;

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