#!/bin/sh
#
# run vdr-sxfe

. /etc/init.d/rc.functions

rm -f /tmp/vompclient_*

case "$1" in
	-k)
		touch /tmp/vompclient_stop
		killproc "/usr/bin/runvompclient" 1
		killproc "/usr/bin/vompclient" 10
		rm -f /tmp/vompclient_stop
		exit $?
		;;
	-r)
		touch /tmp/vompclient_restart
		killproc "/usr/bin/vompclient" 10
		exit $?
		;;
	-f)
		force=1
		;;
	-s)
		shift
		echo "$@" > /tmp/vompclient_run
		killproc "/usr/bin/vompclient" 10
		exit $?
		;;
	-n)
		norestart=1
		;;
	-*)
		echo "Usage $0 [-k | -r | -f | -n | -s PROG]"
		echo "      -k   kill vompclient"
		echo "      -r   restart vompclient"
		echo "      -f   force vompclient (re)start"
		echo "      -s   switch to PROG until PROG exited"
		echo "      -n   no restart if an error occur"
		exit 1
		;;
esac

# accept only one instance
ps=$(ps); echo "$ps" | grep "{${0##*/}}" | grep -q -v $$ && {
	if [ -z "$force" ]; then
		echo "${0##*/} is already running"
		exit 1
	else
		$0 -k
	fi
}

while (true) do
	. /etc/rc.config
	
	ip=$NETWORK_SERVER_IP
	if ps ww | grep -v "grep" | grep "vdr" | grep -q "vompserver"; then
		ip=127.0.0.1
	fi
	if [ -n "$ip" ]; then
		while ! { echo quit | nc $ip 3024 2>/dev/null; } do test -e /tmp/vompclient_stop && break; usleep 100000 "#waiting for vompserver"; done
	fi
	
	test -e /tmp/vompclient_stop && break
	
	# schnelle wiederholte Neustarts verzögern
	if [ 0$starttime -gt $(( `date +%s` - 15 )) ]; then
		sleep 10 "#delaying vompclient restart"
	fi
	starttime=`date +%s`
	
	args=""
	if ps ww | grep -v "grep" | grep "vdr" | grep -q "vompserver"; then
		args="-s $ip"
		ifconfig lo mtu 1500
	fi
	
	# starte vompclient
	{ eval /usr/bin/vompclient -n $VOMPCLIENT_ARGS $args 2>&1 && touch /tmp/vompclient_shutdown; } | grep -v "Too many open files" >>/var/log/vompclient
	
	echo -n "vompclient exits at "; date
	
	if [ -e /tmp/vompclient_run ]; then
		run="$(cat /tmp/vompclient_run)"
		echo -n "switch to $run"
		eval $run -n
		rm /tmp/vompclient_run
	elif [ -e /tmp/vompclient_stop ]; then
		test "$norestart" = "1" && break
	elif [ -e /tmp/vompclient_shutdown -a ! -e /tmp/vompclient_restart ]; then
		shutdown
		break
	fi
	rm -f /tmp/vompclient_*
done
rm -f /tmp/vompclient_*