#!/bin/sh

. /etc/init.d/globals

# Neutrino's exit codes
ERROR=-1
NORMAL=0
SHUTDOWN=1
REBOOT=2

# if neutrino crashes, just restart it or reboot the box?
REBOOT_ON_ERROR=true

do_cleanup() {
	# remove files created by neutrino
	rm -f /tmp/.timer
}

do_shutdown() {
	dt -t"SHUTDOWN"
	poweroff
}

do_reboot() {
	dt -t"REBOOT"
	reboot
}

while true; do
	do_cleanup

	neutrino; RET=$?
	LOGINFO "Neutrino exited with exit code $RET"

	if [ $RET -eq $NORMAL ]; then
		# do nothing
		break
	elif [ $RET -eq $SHUTDOWN ]; then
		do_shutdown
		break
	elif [ $RET -eq $REBOOT ]; then
		do_cleanup
		do_reboot
		break
	fi

	dt -t"NEUTRINO: $RET"

	# report errors on external display
	if [ -e /tmp/.lcd-* ]; then
		echo "0"		> /tmp/lcd/mode_logo
		echo "Neutrino"		> /tmp/lcd/service
		echo "Error: $RET"	> /tmp/lcd/event
	fi

	if $REBOOT_ON_ERROR; then
		LOGINFO "Rebooting due to REBOOT_ON_ERROR=true and exit code $RET"
		do_reboot
		break
	fi

	LOGINFO "Restarting neutrino after exit code $RET"
done