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/**
* @file state.h
*
* @brief Interface ike_sa_sate_t.
*
*/
/*
* Copyright (C) 2005 Jan Hutter, 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 STATE_H_
#define STATE_H_
#include <definitions.h>
#include <types.h>
#include <encoding/message.h>
extern mapping_t ike_sa_state_m[];
typedef enum ike_sa_state_t ike_sa_state_t;
/**
* States in which a IKE_SA can actually be
*
* @ingroup states
*/
enum ike_sa_state_t {
/**
* IKE_SA is is not in a state as initiator
*/
INITIATOR_INIT = 1,
/**
* IKE_SA is is not in a state as responder
*/
RESPONDER_INIT = 2,
/**
* A IKE_SA_INIT-message was sent: role initiator
*/
IKE_SA_INIT_REQUESTED = 3,
/**
* A IKE_SA_INIT-message was replied: role responder
*/
IKE_SA_INIT_RESPONDED = 4,
/**
* An IKE_AUTH-message was sent after a successful
* IKE_SA_INIT-exchange: role initiator
*/
IKE_AUTH_REQUESTED = 5,
/**
* An IKE_AUTH-message was replied: role responder.
* In this state, all the informations for an IKE_SA
* and one CHILD_SA are known.
*/
IKE_SA_ESTABLISHED = 6
};
/**
* string mappings for ike_sa_state_t
*/
extern mapping_t ike_sa_state_m[];
typedef struct state_t state_t;
/**
* @brief This interface represents an IKE_SA state
*
* @ingroup states
*/
struct state_t {
/**
* @brief Processes a incoming IKEv2-Message of type message_t.
*
* @param this state_t object
* @param[in] message message_t object to process
* @return
* - SUCCESSFUL if succeeded
* - FAILED otherwise
*/
status_t (*process_message) (state_t *this,message_t *message);
/**
* @brief Get the current state.
*
* @param this state_t object
* @return state
*/
ike_sa_state_t (*get_state) (state_t *this);
/**
* @brief Destroys a state_t object.
*
* @param this state_t object to destroy
*/
void (*destroy) (state_t *this);
};
#endif /*STATE_H_*/
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