#!/bin/sh

[ -e /etc/rc.defaults ] && . /etc/rc.defaults
[ -e /etc/rc.conf ] && . /etc/rc.conf

DAEMON=inadyn
DEFAULTOPTS="/etc/inadyn.conf"

case "$1" in
	start)
		
		if [ ! -f "/var/run/$DAEMON.pid" ]
		then
			
			# Set default options if none set in rc.conf
			if [ $inadyn_config="" ]
			then
				echo "No options set in rc.conf for $DAEMON, using defaults"
				inadyn_config=$DEFAULTOPTS
			fi
			#Check for existence of config file
			if [ ! -f $inadyn_config ]
				echo "Error: Configuration file $inadyn_config not found!"
				echo "Please read /etc/inadyn.conf.example"
				exit 1
			fi
			# Start Daemon
			echo "Starting $DAEMON"
			$DAEMON --input_file $inadyn_config >> /var/log/inadyn.log &
			# Get Daemon pid
			# Strip script PID from pidof output
			DAEMONPID=`pidof $DAEMON|sed s/$$//`
			# Write pid to file
			echo $DAEMONPID > /var/run/$DAEMON.pid
			# Check Daemon launched OK
			if ps -fp$! > /dev/null 2>&1
			then
				echo "  >> OK"
			else
				echo "  ** FAILED"
			fi
		else
			# Daemon already running, show status
			echo "already running"
			$0 status
			exit 1
		fi
		;;
	stop)
		# Make sure we don't nuke this script 
		# in the process of stopping daemon.
		# killall will kill this script as well
		# as it shares the same ps name
		if [ ! -f "/var/run/$DAEMON.pid" ]
                then                                   
			# Daemon not running, show status
                        $0 status
			exit 1
		fi
		echo "Stopping $DAEMON"
		# kill daemon
		kill `cat /var/run/$DAEMON.pid`
		# Remove pid file
		rm /var/run/$DAEMON.pid
		echo "  >> OK"
		;;
	restart)
		# If daemon not running, start
		# Otherwise start and stop daemon
		# Ugly hack as ps id's change when using
		# $0 start and $0 stop

		if [ ! -f "/var/run/$DAEMON.pid" ]
		then
			echo "$DAEMON not running, starting"
			exec /etc/rc.d/$DAEMON start
		else
			echo "Stopping $DAEMON"
			kill `cat /var/run/$DAEMON.pid`
			rm /var/run/$DAEMON.pid
			echo "  >> OK"
			exec /etc/rc.d/$DAEMON start
		fi
		;;

	status)
		
		if [ ! -f "/var/run/$DAEMON.pid" ]
		then
			echo "$DAEMON is not running or pidfile does not exist"
		else
			DAEMONPID=`cat /var/run/$DAEMON.pid`
			echo "$DAEMON is running with pid $DAEMONPID"
		fi
		;;
	*)
		echo "Usage: $0 <start|stop|restart|status>"
		exit 1
		;;
esac
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