btsync

#!/bin/bash
#
# btsync		Start up the btsync server daemon
#
# chkconfig: 2345 55 25
# description: btsync is like this sync thing. Google it.
#
# processname: btsync
# config: /etc/btsync.conf
# pidfile: /var/run/btync/btsync.pid

### BEGIN INIT INFO
# Provides: btsync
# Required-Start: $local_fs $network $syslog
# Required-Stop: $local_fs $syslog
# Should-Start: $syslog
# Should-Stop: $network $syslog
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
# Short-Description: Start up the btsync server daemon
# Description:       look above
### END INIT INFO

# source function library
. /etc/rc.d/init.d/functions

RETVAL=0
prog="btsync"
lockfile=/var/lock/subsys/$prog

# Some functions to make the below more readable
BTSYNC=/usr/local/bin/btsync
CONFIG=/etc/btsync.conf
PID_FILE=/var/run/btsync/btsync.pid  # Make sure this matches the directive in $CONFIG

runlevel=$(set -- $(runlevel); eval "echo \$$#" )

start()
{
	[ -x $BTSYNC ] || exit 5
	[ -f $CONFIG ] || exit 6

	echo -n $"Starting $prog: "
	su - btsync -c "$BTSYNC --config $CONFIG" && success || failure
	RETVAL=$?
	[ $RETVAL -eq 0 ] && touch $lockfile
	echo
	return $RETVAL
}

stop()
{
	echo -n $"Stopping $prog: "
	killproc -p $PID_FILE $BTSYNC
	RETVAL=$?
	# if we are in halt or reboot runlevel kill all running sessions
	# so the TCP connections are closed cleanly
	if [ "x$runlevel" = x0 -o "x$runlevel" = x6 ] ; then
	    trap '' TERM
	    killall $prog 2>/dev/null
	    trap TERM
	fi
	[ $RETVAL -eq 0 ] && rm -f $lockfile
	echo
}

reload()
{
	echo -n $"Reloading $prog: "
	killproc -p $PID_FILE $BTSYNC -HUP
	RETVAL=$?
	echo
}

restart() {
	stop
	start
}

force_reload() {
	restart
}

rh_status() {
	status -p $PID_FILE btsync
}

rh_status_q() {
	rh_status >/dev/null 2>&1
}

case "$1" in
	start)
		rh_status_q && exit 0
		start
		;;
	stop)
		if ! rh_status_q; then
			rm -f $lockfile
			exit 0
		fi
		stop
		;;
	restart)
		restart
		;;
	status)
		rh_status
		RETVAL=$?
		if [ $RETVAL -eq 3 -a -f $lockfile ] ; then
			RETVAL=2
		fi
		;;
	*)
		echo $"Usage: $0 {start|stop|restart|status}"
		RETVAL=2
esac
exit $RETVAL

Based on the sshd init script that ships with CentOS 6.