# $Id$
# configures networking on the host via mysql db settings

# needs exported iface variable!
add_iface_cfg()
{
	echo "$@" >> /etc/conf.d/net.${iface}
}

config_networking()
{
	local iface

	# retrieve informations about hostname and co
	evaluate_table_xml cfg_network

	# configure hostname and domain settings:
	echo "${cfg_network_hostname}" > /etc/hostname
	echo -e "127.0.0.1\tlocalhost.${cfg_network_domain}\tlocalhost\t${cfg_network_hostname}" > /etc/hosts

# 	if ! check_network_settings
# 	then
# 		echo -e "${COLYELLOW}Could not retrieve network settings, doing nothing ...${COLDEFAULT}"
# 		return 1
# 	fi

	# remove all old nics and modules configs
	find /etc/conf.d -type f -name 'net.*' | xargs rm

	# configure all available interfaces but activate only the default_iface!
	iface_list=$(mysqldo "select iface from cfg_interfaces where serial='${ALX_SERIAL}'")

	for iface in ${iface_list}
	do
		# initialize the config
		:> /etc/conf.d/net.${iface}

		# retrieve information from mysql
		evaluate_table_xml cfg_interfaces "where serial='${ALX_SERIAL}' and iface='${iface}'"

		if [[ ${iface} = ${cfg_network_default_iface} ]]
		then
			add_iface_cfg "ONBOOT=yes"
		else
			add_iface_cfg "ONBOOT=no"
		fi

		add_iface_cfg NETWORKING=${cfg_interfaces_networking}

		case ${cfg_interfaces_networking} in
			dhcp|DHCP)
				add_iface_cfg "DHCP_PROG=/sbin/udhcpc"
				# timeout after 10 seconds and quit after retrieving a lease
				add_iface_cfg 'DHCP_START="-t 10 -q"'
				;;

			static|STATIC)
				# add hostname with valid ip to hosts
				echo -e "${cfg_interfaces_ip}\t${cfg_interfaces_hostname}.${cfg_interfaces_domain}\t${cfg_interfaces_hostname}" >> /etc/hosts
				add_iface_cfg "IP=${cfg_interfaces_ip}"
				add_iface_cfg "NETMASK=${cfg_interfaces_netmask}"
				add_iface_cfg "BROADCAST=${cfg_interfaces_broadcast}"
				;;
		esac

		# gateway or gateway overrides
		if [[ ${cfg_interfaces_gateway} != NULL ]]
		then
			add_iface_cfg "GATEWAY=${cfg_interfaces_gateway}"
		fi

		# nameserver or nameserver overrides
		if [[ ${cfg_interfaces_dns} != NULL ]]
		then
			add_iface_cfg "NAMESERVER="${cfg_interfaces_dns}""
		fi

		# force mac address override
		if [[ ${cfg_interfaces_forcemacto} != NULL ]]
		then
			add_iface_cfg FORCE_MAC_TO=${cfg_interfaces_forcemacto}
		fi

		# wireless extensions
		local value
		local var
		for var in cfg_interfaces_wireless_bitrate \
			cfg_interfaces_wireless_channel \
			cfg_interfaces_wireless_essid \
			cfg_interfaces_wireless_frequency \
			cfg_interfaces_wireless_mode \
			cfg_interfaces_wireless_nick \
			cfg_interfaces_wireless_auth_mode \
			cfg_interfaces_wireless_key_length \
			cfg_interfaces_wireless_key \
			cfg_interfaces_wireless_key_ascii
		do
			# get the value of $var
			eval value=\$$(echo ${var})

			# write it only if not empty
			if [[ -n ${value} ]] && [[ ${value} != NULL ]]
			then
				# remove cfg_interfaces_from var and convert to upcase
				add_iface_cfg "$(echo ${var/cfg_network_/} | tr '[:lower:]' '[:upper:]')=${value}"
			fi

			# clear value
			unset value
		done

		# setup wpa-driver (only zydas atm)
		case ${cfg_interfaces_module} in 
			zd1211) add_iface_cfg "WIRELESS_WPA_DRIVER=zydas" ;;
		esac
	done
}