#!/bin/sh -efu


set -efu


rtprio -t "-$$"


egrep -qi '(cpsw.*watchdog|firmware.*failure|could.*not.*firmware)' /var/log/all.log && exit 1


ping_defgw()
{
	local route_args ping_args
	
	case "$1"
	in
		inet)  route_args=' -inet';  ping_args=' -c 3 -t 3 -o -q' ;;
		inet6) route_args=' -inet6'; ping_args='6 -c 3 -o -q'     ;;
	esac
	
	route -n get$route_args default \
	| awk '$1 == "gateway:" { print $2 }' \
	| xargs ping$ping_args > /dev/null 2>&1
}


ping_defgw inet6 || ping_defgw inet || exit 1


for part in `pgrep -lf 'watchdog alivetime='`
do
	case "$part"
	in
		alivetime=*)
			alivetime="`echo \"${part##*=}\" | tr -c -d 0-9`"
			
			[ "$alivetime" ] && [ "$((`date +%s` - $alivetime))" -le 10 ] && exit 0
			;;
	esac
done


exit 1