#!/bin/sh /etc/rc.common
# Copyright (C) 2008-2011 OpenWrt.org

START=99

vnstat_option() {
	sed -ne "s/^[[:space:]]*$1[[:space:]]*['\"]\([^'\"]*\)['\"].*/\1/p" \
		/etc/vnstat.conf
}

start() {
	local lib="$(vnstat_option DatabaseDir)"
	local pid="$(vnstat_option PidFile)"

	[ -n "$lib" ] || {
		echo "Error: No DatabaseDir set in vnstat.conf" >&2
		exit 1
	}

	[ -n "$pid" ] || {
		echo "Error: No PidFile set in vnstat.conf" >&2
		exit 1
	}

	mkdir -p "$lib"

	init_ifaces() {
		local cfg="$1"
		init_iface() { /usr/bin/vnstat -u -i "$1" >/dev/null; }
		config_list_foreach "$cfg" interface init_iface
		return 1
	}

	config_load vnstat
	config_foreach init_ifaces vnstat

	/usr/sbin/vnstatd -d
}

stop() {
	local pid="$(vnstat_option PidFile)"
	[ -n "$pid" ] && {
		service_kill vnstatd "$pid"
		rm -f "$pid"
	}
}