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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.
*
* $Id: ike_mobike.h 3589 2008-03-13 14:14:44Z martin $
*/
/**
* @defgroup ike_mobike ike_mobike
* @{ @ingroup tasks
*/
#ifndef IKE_MOBIKE_H_
#define IKE_MOBIKE_H_
typedef struct ike_mobike_t ike_mobike_t;
#include <library.h>
#include <sa/ike_sa.h>
#include <sa/tasks/task.h>
#include <network/packet.h>
/**
* Task of type ike_mobike, detects and handles MOBIKE extension.
*
* The MOBIKE extension is defined in RFC4555. It allows to update IKE
* and IPsec tunnel addresses.
* This tasks handles the MOBIKE_SUPPORTED notify exchange to detect MOBIKE
* support, allows the exchange of ADDITIONAL_*_ADDRESS to exchange additional
* endpoints and handles the UPDATE_SA_ADDRESS notify to finally update
* endpoints.
*/
struct ike_mobike_t {
/**
* Implements the task_t interface
*/
task_t task;
/**
* Use the task to roam to other addresses.
*
* @param address TRUE to include address list update
*/
void (*roam)(ike_mobike_t *this, bool address);
/**
* Transmision hook, called by task manager.
*
* The task manager calls this hook whenever it transmits a packet. It
* allows the mobike task to send the packet on multiple paths to do path
* probing.
*
* @param packet the packet to transmit
*/
void (*transmit)(ike_mobike_t *this, packet_t *packet);
/**
* Check if this task is probing for routability.
*
* @return TRUE if task is probing
*/
bool (*is_probing)(ike_mobike_t *this);
};
/**
* Create a new ike_mobike task.
*
* @param ike_sa IKE_SA this task works for
* @param initiator TRUE if taks is initiated by us
* @return ike_mobike task to handle by the task_manager
*/
ike_mobike_t *ike_mobike_create(ike_sa_t *ike_sa, bool initiator);
#endif /* IKE_MOBIKE_H_ @} */
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