/*

* Copyright (c) 2001-2010 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.

*

*/

/*

* %version: 21 %

*/

#ifndef EAPSESSION_H_

#define EAPSESSION_H_

#include <e32base.h>

#include <e32std.h>

#include <ecom.h>

#include "EapServerClientDef.h"

#include "EapServer.h"

#include "EapScheduler.h"

#include "eap_am_tools.h"

#include "eap_am_types.h"

#include "SendPacketHandler.h"

#include "EapMessageQueue.h"

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

class MEapolPacketHandler

    {

public:

    virtual void EapolHandleL(const TDesC8& aData) = 0;

    };

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

class CSendHandler;

class CEapCoreInterfaceImplementation;

class CEapClientProcessHandler;

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

class CEapolPacketHandler : public CBase, public MEapolPacketHandler

    {

    void EapolHandleL(const TDesC8& aData);

private:

    CEapCoreInterfaceImplementation* iClient;

    };

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

class EAP_EXPORT REapSession :  public RSessionBase

    {

public:

    // construct

    inline REapSession()

		: iSendHandler(0)

		, iProcessHandler(0)

		, iStatus(KErrNone)

		, iTools(0)

		, iClient(0)

		, iEapMessageQueue(0)

	{

	};

	EAP_FUNC_IMPORT virtual ~REapSession();

	EAP_FUNC_IMPORT void ConnectL(

		abs_eap_am_tools_c * const tools,

		MSendPacketHandler * Client,

		const TBuf<KMaxServerExe> ServerName,

		const TBuf<KMaxServerExe> ServerExe,

		const void * const aConfigurationData,

		const TInt aConfigurationDataLength,

		const TEapRequests aIfRequest);

    EAP_FUNC_IMPORT void Close();

    EAP_FUNC_IMPORT bool get_is_valid();

    /// Function receives the data message from lower layer.

    /// Data is formatted to Attribute-Value Pairs.

    /// Look at eap_tlv_header_c and eap_tlv_message_data_c.

    EAP_FUNC_IMPORT eap_status_e process_data(const TEapRequests aMessageType, const void * const data, const u32_t length);

	const EapMessageBuffer * GetFirstMessage();

	TInt DeleteFirstMessage();

	void Process(const EapMessageBuffer * const buffer, TRequestStatus &aStatus) const;

private:

    /**

    * Version information.

    * @return Version information.

    */

    TVersion Version() const;

    friend class CSendHandler;

    void Receive(TDes8& aBuffer, TRequestStatus& aStatus);

    void CancelReceive();

    CSendHandler* iSendHandler;

	CEapClientProcessHandler* iProcessHandler;

    TRequestStatus iStatus;

    abs_eap_am_tools_c * iTools;

    MSendPacketHandler* iClient;

    RProcess iServer;

	EapMessageQueue* iEapMessageQueue;

    };

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

class CSendHandler : public CActive

    {

public:

    // construct/destruct

    CSendHandler(

		abs_eap_am_tools_c * const tools,

		REapSession& aSession); //MEapolPacketHandler& aHandler, 

    virtual ~CSendHandler();

    // operation

    void Receive();

private:

    // from CActive

    void RunL();

    void DoCancel();

	TInt RunError(TInt aError);

private:

    abs_eap_am_tools_c * iTools;

    REapSession& iSession;

    TBuf8<KMaxEapData> iBuffer;

    };

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

class CEapClientProcessHandler

: public CActive

    {

public:

    CEapClientProcessHandler(

		abs_eap_am_tools_c * const tools,

		REapSession& aSession);

    virtual ~CEapClientProcessHandler();

	void Activate();

private:

    // from CActive

    void RunL();

    void DoCancel();

	TInt RunError(TInt aError);

private:

    abs_eap_am_tools_c * iTools;

    REapSession& iSession;

	bool iProcessPending;

    };

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

#endif /* EAPSESSION_H_ */