# Copyright (c) 2004-2005 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header$

# Based on bridge script, which was
# Contributed by Roy Marples (uberlord@gentoo.org)

# Fix any potential localisation problems
# Note that LC_ALL trumps LC_anything_else according to locale(7)
madwifi() {
	LC_ALL=C /sbin/wlanconfig "$@"
}

# char* madwifi_provides(void)
#
# Returns a string to change module definition for starting up
madwifi_provides() {
	echo "madwifi"
}

# void madwifi_depend(void)
#
# Sets up the dependancies for the module
madwifi_depend() {
	after interface
	after wireless
	before dhcp
}

# bool madwifi_check_installed(void)
#
# Returns 1 if bridge is installed, otherwise 0
madwifi_check_installed() {
	[[ -x /sbin/wlanconfig ]] && return 0
	${1:-false} && eerror "For madwifi support, emerge net-wireless/madwifi-tools"
	return 1
}

# bool madwifi_check_depends(void)
#
# Checks to see if we have the needed functions
madwifi_check_depends() {
	local f

	for f in interface_variable interface_down interface_del_addresses interface_set_flag; do
		[[ $( type -t ${f} ) == function ]] && continue
		eerror "wlanconfig: missing required function ${f}\n"
		return 1
	done

	return 0
}

# char* madwifi_get_vars(char *interface)
#
# Returns a string spaced with possible user set
# configuration variables
madwifi_get_vars() {
	echo "madwifi_${1} wlanconfig_${1}"
}

# bool madwifi_start(char *iface)
#
# #set up bridge
madwifi_pre_start() {
	local iface=${1} ports i e x ifvar=$( interface_variable ${1} )
	local -a opts
	eval ports=\"\$\{madwifi_${ifvar}\[@\]\}\"	

	[[ -z ${ports} ]] && return 0

	ebegin "Creating madwifi virtual interfaces based on ${iface}"
        eindent

        for i in ${ports}; do
                ebegin "${i}"
		eval portmode=$( eval echo \$\{mode_${i}\} | tr '[:upper:]' '[:lower:]' )
		portmode=${portmode:-managed}
## Ugly but works
		if [[ ${portmode} == "auto" || ${portmode} == "managed" ]] ;
			then
			portmode="sta"
		fi
		if [[ ${portmode} == "ad-hoc" ]] ; then
			portmode="adhoc"
		fi
		if [[ ${portmode} == "master" ]] ; then
			portmode="ap"
		fi
		einfo "Creating port ${i} in mode ${portmode}"
                e=$( wlanconfig ${i} create wlandev ${iface} wlanmode ${portmode} 2>&1 )
                if [[ ${e} != ${i} ]]; then
                        eend 1 "${e}"
                        return 1
                fi
                eend 0
        done
        eoutdent

	return 0
}

madwifi_stop() {
	local iface=${1} ports i e x ifvar=$( interface_variable ${1} )
	local -a opts
	eval ports=\"\$\{madwifi_${ifvar}\[@\]\}\"	

	[[ -z ${ports} ]] && return 0

        ebegin "Destroying madwifi virtual interfaces based on ${iface}"
        for i in ${ports}; do
                ebegin "${i}"
		portmode="sta"
		eval portmode=\"\$\{mode_${i}\[@\]\}\"
                e=$( wlanconfig ${i} destroy 2>&1 )
                if [[ -n ${e} ]]; then
                        eend 1 "${e}"
                        return 1
                fi
                eend 0
        done
        eoutdent

        eend 0
        return 0
}