/*

* Copyright (c) 2001-2006 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the License "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:  EAP and WLAN authentication protocols.

*

*/

#if !defined(_ABS_EAP_STATE_NOTIFICATION_H_)

#define _ABS_EAP_STATE_NOTIFICATION_H_

#include "eap_am_export.h"

#include "eap_protocol_layer.h"

#include "eap_header.h"

class eap_am_network_id_c;

enum eap_state_notification_eap_e

{

	eap_state_notification_eap,

};

enum eap_state_notification_generic_e

{

	eap_state_notification_generic,

};

/// This class is the interface to state notification class.

/// This is mostly used for state indications, debugging and protocol testing.

/// The lower level could get information of the authentication states.

class EAP_EXPORT abs_eap_state_notification_c

{

private:

	//--------------------------------------------------

	//--------------------------------------------------

protected:

	//--------------------------------------------------

	//--------------------------------------------------

public:

	//--------------------------------------------------

	/**

	 * The destructor of the abs_eap_state_notification_c class does nothing special.

	 */

	virtual ~abs_eap_state_notification_c()

	{

	}

	/**

	 * The constructor of the abs_eap_state_notification_c class does nothing special.

	 */

	abs_eap_state_notification_c()

	{

	}

	/**

	 * This returns send network id.

	 */

	virtual const eap_am_network_id_c * get_send_network_id() const = 0;

	/**

	 * This returns the protocol layer that send this notification.

	 */

	virtual eap_protocol_layer_e get_protocol_layer() const = 0;

	/**

	 * This returns the protocol on the layer that send this notification.

	 * This is plain 32-bit value because of easy abstraction.

	 * Later we could do more detailed information.

	 * Each protocol layer and EAP type should define own internal states.

	 */

	virtual u32_t get_protocol() const = 0;

	/**

	 * This returns the protocol on the layer that send this notification.

	 * This is eap_type_value_e value.

	 * Before using this check the get_protocol_layer() returns eap_protocol_layer_eap,

	 * eap_protocol_layer_eap_type, eap_protocol_layer_general or eap_protocol_layer_internal_type.

	 */

	virtual eap_type_value_e get_eap_type() const = 0;

	/**

	 * This returns the previous state.

	 * This is plain 32-bit value because of easy abstraction.

	 * Later we could do more detailed information.

	 * Each protocol layer and EAP type should define own internal states.

	 */

	virtual u32_t get_previous_state() const = 0;

	/**

	 * This returns the previous state string.

	 */

	virtual eap_const_string get_previous_state_string() const = 0;

	/**

	 * This returns the current state.

	 * This is plain 32-bit value because of easy abstraction.

	 * Later we could do more detailed information.

	 * Each protocol layer and EAP type should define own internal states.

	 */

	virtual u32_t get_current_state() const = 0;

	/**

	 * This returns the current state string.

	 */

	virtual eap_const_string get_current_state_string() const = 0;

	/**

	 * This returns true when notifier is client, false when server.

	 */

	virtual bool get_is_client() const = 0;

	/**

	 * This returns EAP-Identifier.

	 */

	virtual u8_t get_eap_identifier() const = 0;

	/**

	 * This function sets flag that allows EAP-Core to send EAP-Response/Success.

	 */

	virtual bool get_allow_send_eap_success() const = 0;

	/**

	 * This function sets notification text that is displayed to user.

	 * Text must be localized string. Type of the string is known to adaptation modules.

	 * Type depends on the running environment.

	 * Value true of the parameter needs_confirmation_from_user tells whether

	 * there should be user action to confirm the text.

	 * When notification is information where user action is not needed

	 * the needs_confirmation_from_user parameter should be false.

	 * Mostly it is better to set this false to disrupt the user less.

	 */

	virtual eap_status_e set_notification_string(

		const eap_variable_data_c * const notification_string,

		const bool needs_confirmation_from_user) = 0;

	/**

	 * This function gets the notification text that is displayed to user.

	 */

	virtual const eap_variable_data_c * get_notification_string() const = 0;

	/**

	 * This function gets flag that tells whether

	 * there should be user action to confirm the text.

	 */

	virtual bool get_needs_confirmation_from_user() const = 0;

	/**

	 * The authentication error must be set when get_protocol_layer() returns eap_protocol_layer_general

	 * and get_current_state() returns eap_general_state_authentication_error.

	 */

	virtual void set_authentication_error(const eap_status_e error) = 0;

	/**

	 * This function returns the authentication error when get_protocol_layer() returns eap_protocol_layer_general

	 * and get_current_state() returns eap_general_state_authentication_error.

	 */

	virtual eap_status_e get_authentication_error() const = 0;

	/**

	 * This returns the protocol layer string string.

	 */

	virtual eap_const_string get_protocol_layer_string() const = 0;

	/**

	 * This returns the protocol string string.

	 */

	virtual eap_const_string get_protocol_string() const = 0;

	//--------------------------------------------------

}; // class abs_eap_state_notification_c

#endif //#if !defined(_ABS_EAP_STATE_NOTIFICATION_H_)

//--------------------------------------------------

// End.