#!/bin/sh

DAEMON="watchdog"

WATCHDOG_ENABLED=false
WATCHDOG_TIMEOUT=60

SUPPORTED_VENDORS="ingenic"
WATCHDOG_ARGS="-T $WATCHDOG_TIMEOUT /dev/watchdog"
WATCHDOG_VENDOR=$(ipcinfo -v)

vendor_supported() {
	for vendor in $SUPPORTED_VENDORS; do
		[ "$WATCHDOG_VENDOR" = "$vendor" ] && return 0
	done
	return 1
}

start()
{
	if [ "$(cli -g .watchdog.enabled)" = "true" ]; then
		printf "Starting ${DAEMON}: "
		echo "majestic watchdog enabled"
		exit 0
	fi

	if vendor_supported && [ "$WATCHDOG_ENABLED" = "true" ]; then
		printf "Starting ${DAEMON}: "
		start-stop-daemon -b -S -q -x "/sbin/${DAEMON}" -- ${WATCHDOG_ARGS}
		if [ $? = 0 ]; then
			echo "OK"
		else
			echo "FAIL"
		fi
	else
		echo "Watchdog: System watchdog disabled"
		exit 0
	fi
}

stop()
{
	printf "Stopping ${DAEMON}: "
	if start-stop-daemon -K -q -s KILL -n "${DAEMON}"; then
		echo "OK"
	else
		echo "FAIL"
	fi
}

case "$1" in
	start|stop)
		"$1"
		;;

	restart|reload)
		stop
		start
		;;

	*)
		echo "Usage: $0 {start|stop|restart|reload}" >&2
		exit 1
		;;
esac