utorrent

#!/bin/sh

### BEGIN INIT INFO
# Provides:          uTorrent
# Required-Start:    $local_fs $remote_fs $network
# Required-Stop:     $local_fs $remote_fs $network
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: Start or stop the uTorrent.
### END INIT INFO

#
#
# Original source: http://forum.utorrent.com/viewtopic.php?id=88044
#
# uTorrent start stop service script
#
# copy to /etc/init.d
# run "update-rc.d utorrent defaults" to install
# run "update-rc.d utorrent remove" to remove
#
#
# version 2 improvments by:
# @author FanFan Huang (kaboom05+utorrentscript@gmail.com)
#
#
UTORRENT_PATH=/opt/utorrent-server-alpha-v3_3 #where you extracted your utserver executable
LOGFILE=/var/log/utorrent.log #must be a writable directory
USER=asim #any user account you can create the utorrent user if you like
GROUP=asim
NICE=15
SCRIPTNAME=/etc/init.d/utorrent #must match this file name

DESC="uTorrent Server for Linux"
CHDIR=$UTORRENT_PATH
NAME=utserver
UT_SETTINGS=$UTORRENT_PATH
UT_LOG=$LOGFILE

DAEMON_ARGS="-settingspath ${UT_SETTINGS} -logfile ${UT_LOG}"
DAEMON=$CHDIR/$NAME
PIDFILE=/var/run/utorrent.pid
STOP_TIMEOUT=5
INIT_VERBOSE=yes

FAILURE=false

# Exit if the package is not installed
[ -x "$DAEMON" ] || exit 0

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

# Load the VERBOSE setting and other rcS variables
. /lib/init/vars.sh

# Define LSB log_* functions.
# Depend on lsb-base (>= 3.0-6) to ensure that this file is present.
. /lib/lsb/init-functions

#
# Function that starts the daemon/service
#
do_start()
{
	FAILURE=false
        # Return
        #   0 if daemon has been started
        #   1 if daemon was already running
        #   2 if daemon could not be started
		#	3 if port bind failed
				
        start-stop-daemon --start --nicelevel $NICE --quiet --make-pidfile --pidfile $PIDFILE --chuid $USER:$GROUP --chdir $CHDIR --background --exec $DAEMON --test > /dev/null 
		if [  "$?" = "1" ]; then 
			return 1
		fi
		
        start-stop-daemon --start --nicelevel $NICE --quiet --make-pidfile --pidfile $PIDFILE --chuid $USER:$GROUP --chdir $CHDIR --background --exec $DAEMON -- $DAEMON_ARGS
		if [ "$?" != "0" ]; then
			return 2
		fi
		
		#bind validation
		while [ ! -e $LOGFILE ]; do
			sleep 1 #Wait for file to be generated
		done

######################## DISABLED ENABLE THIS SECTION IF YOU HAVE IPv6 HANGS WITH NO IPv6 Support ################
#		while [ ! -n "$(cat $LOGFILE|grep 'IPv6 is installed')" ]; do
#        	#wait until utorrent has finished bootup (IPv6 MESSAGE is the last message)#
#			sleep 1
#		done

		RESULT=$(cat $LOGFILE|grep 'bind failed')
        if [ -n "$RESULT" ]; then
			return 3
        fi
		
		return 0
}

#
# Function that stops the daemon/service
#
do_stop()
{
        # Return
        #   0 if daemon has been stopped
        #   1 if daemon was already stopped
        #   2 if daemon could not be stopped
        #   other if a failure occurred
        start-stop-daemon --stop --quiet --retry=TERM/30/KILL/5 --pidfile $PIDFILE --name $NAME
		RETVAL="$?"
        if [ "$RETVAL" = 2 ]; then
			return 2
		fi
        
        start-stop-daemon --stop --quiet --oknodo --retry=0/30/KILL/5 --exec $DAEMON
		RETVAL="$?"
        if [ "$RETVAL" = 2 ]; then
			return 2
		fi
		
		#block process until server is completed shutting down fully
		while [ -n "$(pidof "$NAME")" ]; do
			sleep 1
		done
		
        # Many daemons don't delete their pidfiles when they exit.
        rm -f $PIDFILE
		rm -f $LOGFILE #we don't want to keep our logfile
        return "$RETVAL"
}

#
# Function that sends a SIGHUP to the daemon/service
#
do_reload() {
        #
        # If the daemon can reload its configuration without
        # restarting (for example, when it is sent a SIGHUP),
        # then implement that here.
        #
        start-stop-daemon --stop --signal 1 --quiet --pidfile $PIDFILE --name $NAME
        return 0
}

msg_start() {
	case "$1" in
			0|1) 
				if [ "$VERBOSE" != no ]; then 
					log_end_msg 0 
				fi
			;;
			2) 
				if [ "$VERBOSE" != no ]; then
					log_end_msg 1 
				fi
			;;
			3)
				if [ "$VERBOSE" != no ]; then
					log_daemon_msg "Port bind failure detected uTorrent may have limited functionality please change the bind port and restart uTorrent"
					log_end_msg 1
				fi
			;;
	esac
}

msg_stop() {
	case "$1" in
			0|1)
				if [ "$VERBOSE" != no ]; then
					log_end_msg 0
				fi
			;;
			*) 
				if [ "$VERBOSE" != no ]; then
					log_daemon_msg "Failed to stop service exit status $STATUS"
					log_end_msg 1 
				fi
	esac
}

case "$1" in
	start)
        if [ "$VERBOSE" != no ]; then
			log_daemon_msg "Starting $DESC"
		fi
        do_start
        msg_start "$?"
		;;
	stop)
        if [ "$VERBOSE" != no ]; then 
			log_daemon_msg "Stopping $DESC"
		fi
        do_stop
		msg_stop "$?"
        ;;
	status)
		if [ -e "$PIDFILE" ]; then
			PID=" PID:($(cat $PIDFILE))"
		else
			PID=""
		fi
		status_of_proc "$DAEMON" "uTorrent$PID"
		
			if [ "$?" != "0" ]; then
				exit $?
			fi
		;;
	restart|force-reload)
        #
        # If the "reload" option is implemented then remove the
        # 'force-reload' alias
        #
        log_daemon_msg "Restarting $DESC"
        do_stop
		STATUS="$?"
		if [ "$STATUS" -ne 0 ] && [ "$STATUS" -ne 1 ]; then
			log_daemon_msg "Could not stop exit status $STATUS"
			log_end_msg 1
			exit 1
		fi
		
		do_start
		STATUS="$?"
		case "$STATUS" in
			0)
			log_end_msg 0
			;;
			*)
			log_daemon_msg "Restart failed start exist status $STATUS"
			log_end_msg 1
		esac	
	;;
	log)
		if [ -e "$LOGFILE" ]; then
			LOG=$(cat $LOGFILE)
				echo "$LOG"
		else
			echo "uTorrent is not running no active log file"
		fi
	;;

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