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/*
* Copyright (C) 2007 Martin Willi
* Hochschule fuer Technik Rapperswil
*
* 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 2 of the License, or (at your
* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
*
* 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.
*/
#ifndef IFACE_H
#define IFACE_H
#include <library.h>
#include <collections/enumerator.h>
#include <networking/host.h>
#define TAP_DEVICE "/dev/net/tun"
typedef struct iface_t iface_t;
#include "mconsole.h"
#include "bridge.h"
#include "guest.h"
/**
* Interface in a guest, connected to a tap device on the host.
*/
struct iface_t {
/**
* Get the interface name in the guest (e.g. eth0).
*
* @return guest interface name
*/
char* (*get_guestif)(iface_t *this);
/**
* Get the interface name at the host (e.g. tap0).
*
* @return host interface (tap device) name
*/
char* (*get_hostif)(iface_t *this);
/**
* Add an address to the interface.
*
* @param addr address to add to the interface
* @param bits network prefix length in bits
* @return TRUE if address added
*/
bool (*add_address)(iface_t *this, host_t *addr, int bits);
/**
* Create an enumerator over all installed addresses.
*
* @return enumerator over host_t*
*/
enumerator_t* (*create_address_enumerator)(iface_t *this);
/**
* Remove an address from an interface.
*
* @note The network prefix length has to be the same as used in add_address
*
* @param addr address to remove
* @param bits network prefix length in bits
* @return TRUE if address removed
*/
bool (*delete_address)(iface_t *this, host_t *addr, int bits);
/**
* Set the bridge this interface is attached to.
*
* @param bridge assigned bridge, or NULL for none
*/
void (*set_bridge)(iface_t *this, bridge_t *bridge);
/**
* Get the bridge this iface is connected, or NULL.
*
* @return connected bridge, or NULL
*/
bridge_t* (*get_bridge)(iface_t *this);
/**
* Get the guest this iface belongs to.
*
* @return guest of this iface
*/
guest_t* (*get_guest)(iface_t *this);
/**
* Destroy an interface
*/
void (*destroy) (iface_t *this);
};
/**
* Create a new interface for a guest
*
* @param name name of the interface in the guest
* @param guest guest this iface is connecting
* @param mconsole mconsole of guest
* @return interface descriptor, or NULL if failed
*/
iface_t *iface_create(char *name, guest_t *guest, mconsole_t *mconsole);
#endif /* IFACE_H */
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