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

. /etc/init.d/rc.functions

rm -f /tmp/vdr-sxfe_stop /tmp/vdr-sxfe_run

case "$1" in
	-k)
		touch /tmp/vdr-sxfe_stop
		killproc "/usr/bin/vdr-sxfe" 2
		killproc "/usr/bin/runvdr-sxfe" 1
		rm -f /tmp/vdr-sxfe_stop
		exit $?
		;;
	-r)
		killproc "/usr/bin/vdr-sxfe" 2
		exit $?
		;;
	-f)
		force=1
		;;
	-s)
		shift
		echo "$@" > /tmp/vdr-sxfe_run
		killproc "/usr/bin/vdr-sxfe" 2
		exit $?
		;;
	-n)
		norestart=1
		;;
	-*)
		echo "Usage $0 [-k | -r | -f | -n | -s PROG]"
		echo "      -k   kill vdr-sxfe"
		echo "      -r   restart vdr-sxfe"
		echo "      -f   force vdr-sxfe (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=${VDR_SXFE_ARGS#*://}
	ip=${ip%% *}
	while ! { echo quit | nc $ip 37890 2>/dev/null; } do test -e /tmp/vdr-sxfe_stop && break; usleep 100000 "#waiting for xineliboutput"; done
	
	test -e /tmp/vdr-sxfe_stop && break
	
	# schnelle wiederholte Neustarts verzögern
	if [ 0$starttime -gt $(( `date +%s` - 15 )) ]; then
		sleep 10 "#delaying vdr-sxfe restart"
	fi
	starttime=`date +%s`
	
	update_config "audio.output.speaker_arrangement" "audio.output.speaker_arrangement:$XINELIBOUTPUT_SPEAKER" /root/.xine/config_xineliboutput

	if ps | grep -v "grep" | grep -q "lircd" && ! ps | grep -v "grep" | grep "vdr " | grep -q " --lirc"; then
		VDR_SXFE_ARGS="$VDR_SXFE_ARGS --lirc"
	else
		VDR_SXFE_ARGS="$(echo "$VDR_SXFE_ARGS" | sed "s/--hud//")"
	fi
	if [ -n "$APPLICATION_POS_VDRVDR" ]; then
		VDR_SXFE_ARGS="$(echo "$VDR_SXFE_ARGS" | sed "s/--fullscreen//")"
	fi
	
	# starte vdr-sxfe
	eval /usr/bin/vdr-sxfe $VDR_SXFE_ARGS ${VDR_SXFE_ASPECT:+--aspect=${VDR_SXFE_ASPECT}} >>/var/log/vdr-sxfe 2>&1
	status=$?
	
	echo -n "vdr-sxfe exits at "; date
	
	if [ -e /tmp/vdr-sxfe_run ]; then
		run="$(cat /tmp/vdr-sxfe_run)"
		echo -n "switch to $run"
		eval $run -n
		rm /tmp/vdr-sxfe_run
	else
		test -e /tmp/vdr-sxfe_stop -o "$norestart" = "1" && break
		test $status = 1 && sleep 3
	fi
done
rm -f /var/run/runvdr-sxfe.pid /tmp/vdr-sxfe_stop /tmp/vdr-sxfe_run