#!/bin/sh /etc/rc.common
# Copyright (C) 2006 OpenWrt.org
# batmand start script, version 0.2

START=54

BIN=/usr/sbin/batmand*

BATMANDEVS="eth0 eth1 ath0 ath1"
BATMANDEVS_USE=""

start() {
	echo "Starting batmand..."
	if [ ! -x $BIN ]; then echo "batmand not installed"; exit; fi;
	ip_classB="";
	ip_host="";
	for iface in $BATMANDEVS; do
		if [ -n "$(ifconfig $iface 2>/dev/null)" ]; then
			ip_classB=$(ifconfig $iface 2>/dev/null |  awk 'BEGIN{FS=" +|:|\\."} $2 == "inet" {print $4"."$5; exit}')
			ip_host=$(ifconfig $iface 2>/dev/null |  awk 'BEGIN{FS=" +|:|\\."} $2 == "inet" {print $7; exit}')
			break;
		fi;
	done
	if [ -z "$ip_classB" ]; then echo "no usable device found"; exit; fi;
	base_addr=40
	brd=$ip_classB".43.255"
	msk=255.255.252.0
	
	for iface in $BATMANDEVS; do
		if [ -z "$(ifconfig $iface 2>/dev/null)" ]; then continue; fi
		if [ base_addr = 43 ]; then
			echo "WARNING: batmand startscript only supports up to three batmand-devices (excluding tap)"
			break;
		fi
		ifconfig $iface:1 $ip_classB"."$((base_addr++))".$ip_host" netmask $msk broadcast $brd
		BATMANDEVS_USE=$BATMANDEVS_USE" "$iface:1
	done
	$BIN $BATMANDEVS_USE
}

stop() {
	echo "Stopping batmand if running..."
	killall $(find $BIN | awk 'BEGIN{FS="/"}{print$NF}') >/dev/null 2>&1
	for iface in $BATMANDEVS; do
		ifconfig $iface:1 down >/dev/null 2>/dev/null
	done
	sleep 1
}