#!/bin/bash
###############################################################################
#                                                                             #
# IPFire.org - A linux based firewall                                         #
# Copyright (C) 2012  IPFire Network Development Team                         #
#                                                                             #
# This program is free software: you can redistribute it and/or modify        #
# it under the terms of the GNU General Public License as published by        #
# the Free Software Foundation, either version 3 of the License, or           #
# (at your option) any later version.                                         #
#                                                                             #
# This program is distributed in the hope that it will be useful,             #
# but WITHOUT ANY WARRANTY; without even the implied warranty of              #
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the               #
# GNU General Public License for more details.                                #
#                                                                             #
# You should have received a copy of the GNU General Public License           #
# along with this program.  If not, see <http://www.gnu.org/licenses/>.       #
#                                                                             #
###############################################################################

DUMMY_PORT_PATTERN="dN"

function dummy_create() {
	local device=${1}
	assert isset device

	local address=${2}
	isset address || address=$(mac_generate)
	assert ismac address

	if device_exists ${device}; then
		log ERROR "dummy device '${device}' does already exist"
		return ${EXIT_ERROR}
	fi

	cmd_quiet "ip link add name ${device} address ${address} type dummy"
	local ret=$?

	if [ ${ret} -eq ${EXIT_OK} ]; then
		log DEBUG "dummy device '${device}' has been created"
	else
		log ERROR "could not create dummy device '${dummy}': ${ret}"
	fi

	return ${ret}
}

function dummy_remove() {
	local device=${1}
	assert isset device

	device_delete ${device}
}