#!/bin/sh

DAEMON="dnsmasq"
PIDFILE="/var/run/$DAEMON.pid"

[ -f /etc/dnsmasq.conf ] || exit 0

case "$1" in
	start)
		printf "Starting dnsmasq: "
		start-stop-daemon -S -p "$PIDFILE" -x "/usr/sbin/$DAEMON" -- \
			--pid-file="$PIDFILE"
		# shellcheck disable=SC2181
		[ $? = 0 ] && echo "OK" || echo "FAIL"
		;;
	stop)
		printf "Stopping dnsmasq: "
		start-stop-daemon -K -q -p "$PIDFILE" -x "/usr/sbin/$DAEMON"
		# shellcheck disable=SC2181
		[ $? = 0 ] && echo "OK" || echo "FAIL"
		# wait for dnsmasq process to be gone
		while true; do
			pid="$( cat "${PIDFILE}" 2>/dev/null || true )"
			{ [ -n "${pid}" ] && [ -d "/proc/${pid}" ]; } || break
			sleep 0.1
		done
		rm -f "$PIDFILE"
		;;
	restart|reload)
		$0 stop
		$0 start
		;;
	*)
		echo "Usage: $0 {start|stop|restart}"
		exit 1
esac

exit 0