/*

* 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:  Class implements the generic EAP type interface.

*

*/

/*

*/

#ifndef _EAP_GENERIC_H_

#define _EAP_GENERIC_H_

// INCLUDES

#include <EapType.h>

#include "eap_header.h"

#include "eap_array.h"

#include "abs_eap_plugin_message.h"

#include "EapClientIf.h"

// FORWARD DECLARATIONS

class eap_am_network_id_c;

class eap_method_settings_c;

class abs_eap_am_tools_c;

class eap_certificate_entry_c;

class eap_plugin_message_base_c;

enum eap_generic_wait_state_e

{

	eap_generic_wait_state_none,

	eap_generic_wait_state_complete_get_configuration,

	eap_generic_wait_state_complete_set_configuration,

	eap_generic_wait_state_complete_delete_configuration,

	eap_generic_wait_state_complete_copy_configuration,

	eap_generic_wait_state_complete_get_type_info,

	eap_generic_wait_state_complete_invoke_ui,

	eap_generic_wait_state_complete_set_index,

};

const TUint KMaxStringLength = 64;

// CLASS DECLARATION

/**

* Class implements the generic EAP type interface.

*/

: public CEapType

, public abs_eap_plugin_message_c

, public EapClientIf

{

public:		

	/**

	* Construction function. Called by ECom after the EAP generic plugin has been loaded.

	* @param aIapInfo Pointer to the class that contains information about bearer type and unique index.

	* @return Pointer to the instance.

	*/

	static CEapGeneric* NewL(SIapInfo* aIapInfo);	

	/**

	* Destructor does nothing.

	*/

	virtual ~CEapGeneric();

	/**

	* Creates EAP protocol interface implementation. Instances an object that

	* has been derived from eap_base_type_c that handles the communication 

	* with EAP stack. 

	* @param aTools Pointer to tools class.

	* @param aPartner Used for callbacks to the stack.

	* @param is_client_when_true Specifies whether the EAP type acts as a client or server.

	* @param receive_network_id Network addresses

	* @param eap_config_if Pointer used for call back to creater of stack (eapol_am_wlan_authentication_symbian_c class).

	* @return Pointer to the implementation.

	*/		

	virtual eap_base_type_c* GetStackInterfaceL(abs_eap_am_tools_c* const aTools, 

											   abs_eap_base_type_c* const aPartner,

											   const bool is_client_when_true,

											   const eap_am_network_id_c * const receive_network_id,

											   abs_eap_configuration_if_c * const configuration_if);

	/**

	* Gets information about EAP type. 

	* @return Pointer to a class that contains the EAP type information. Also pushed to cleanup stack.

	*/

	CEapTypeInfo* GetInfoL();

	/**

	* Deletes EAP type configuration

	*/	

	void DeleteConfigurationL();

	/**

	* Returns the version of the interface that the EAP type implements.

	* The client-side of the interface must always check the version with this function 

	* and not call the functions that are not implemented. New functions must be

	* added to the end of the interface so that the order of the old functions

	* does not change.

	* @return Integer indicating the version.

	*/

	TUint GetInterfaceVersion();

	/**

	* Sets the tunneling type. This is used to indicate that this type is run inside another 

	* EAP type. 

	* @param aTunnelingType Type number for the tunneling type

	*/	

	void SetTunnelingType(const TEapExpandedType aTunnelingType);

	/**

	* Changes the index of the saved parameters.

	* @param aIndexType Indicates the bearer used for this connection.

	* @param aIndex Index for the connection. aIndexType and aIndex uniquely specify the connection.

	* @return Pointer to the implementation.

	*/

	void SetIndexL(

		const TIndexType aIndexType, 

		const TInt aIndex );

	/**

	* Sets the EAP types configuration

	* @param aSettings Structure containing the settings

	*/

	void SetConfigurationL(const EAPSettings& aSettings);

	/**

	* Gets the EAP types configuration

	* @param aSettings Structure containing the settings

	*/

	void GetConfigurationL(EAPSettings& aSettings);

	/**

	* Copies the EAP types configuration

	* @param aDestinationIndex ID to where copy the settings.

	*/

	void CopySettingsL(const TIndexType aDestinationIndexType, const TInt aDestinationIndex);

	eap_status_e complete_get_configuration(

		const eap_method_settings_c * const internal_settings);

	eap_status_e complete_set_configuration(

		const eap_status_e completion_status);

	eap_status_e complete_delete_configuration(

		const eap_status_e completion_status);

	eap_status_e complete_copy_configuration(

		const eap_status_e completion_status);

	eap_status_e complete_set_index(

		const eap_status_e completion_status);

	eap_status_e complete_get_type_info(

		const eap_method_settings_c * const internal_settings);

	eap_status_e complete_invoke_ui(

		const eap_method_settings_c * const internal_settings);

protected:

	/**

	* Constructor initialises member variables.

	*/

	CEapGeneric(

		const TIndexType aIndexType,

		const TInt aIndex,

		const TEapExpandedType aEapType);

	void ConstructL();

private:

	void Activate();

	void Complete();

	void WaitCompletion();

	void SetCompletionStatusIfStillOk(const eap_status_e status);

	/// This is pointer to the tools class.

	abs_eap_am_tools_c * const m_am_tools;

	eap_plugin_message_base_c * const m_server;

	CActiveSchedulerWait iWait;

	// Bearer type

	TIndexType iIndexType;

	// Unique index

	TInt iIndex;

	TEapExpandedType iEapType;

	// Tunneling type

	eap_type_value_e iTunnelingType;

	bool iTunnelingTypePresent;

	eap_generic_wait_state_e iWaitState;

	eap_status_e iCompletionStatus;

	TRequestStatus iAsyncronousStatus;

	TBuf<KMaxStringLength> iReleaseDate;

	TBuf<KMaxStringLength> iEapTypeVersion;

	TBuf<KMaxStringLength> iManufacturer;

	EAPSettings * ipEAPSettings;

};

#endif // _EAP_GENERIC_H_

// End of file