/*

* Copyright (c) 2002-2004 Nokia Corporation and/or its subsidiary(-ies). 

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "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:  Subconnection class for session of ASYComms

*

*/

#ifndef CACCSRVSUBASYCOMMS_H

#define CACCSRVSUBASYCOMMS_H

// INCLUDES

#include "AccSrvProcessCommandTimer.h"

#include "AccSrvProcessCommandObserver.h"

#include "AsyProxyAPI.h"

#include "AccSrvSubBase.h"

#include <e32base.h>

// CONSTANTS

// MACROS

// DATA TYPES

enum TProcessResponseType

    {

    EProcessResponseTBool,

    EProcessResponseTInt,

    EProcessResponseTDes,

    EProcessResponseObject

    };

// FUNCTION PROTOTYPES

// FORWARD DECLARATIONS

class CAccSrvMainSession;

// CLASS DECLARATION

/**

*  Subconnection class for session of ASYComms

*

*  @lib AccServer.exe

*  @since S60 3.1

*/

NONSHARABLE_CLASS( CAccSrvSubAsyComms ) : public CAccSrvSubBase, 

                                          public MAccSrvProcessCommandObserver

    {

    public: // Constructors and destructor

        /**

        * Two-phased constructor.

        * @since S60 3.1

        * @param aProxy Pointer to an ASYProxy

        * @param aConnectionController Pointer to a connection controller object

        * @param aServerModel Pointer to a server model object

        * @param aASYThreadID id of the ASY thread

        * @param aMainServiceUid Uid of the main service ASY

        * @return Pointer to a new subsession

        */

        static CAccSrvSubAsyComms* NewL(

                         CASYProxyAPI* aProxy,

                         CAccSrvConnectionController* aConnectionController,

                         CAccSrvServerModel* aServerModel,

                         TUint aASYThreadID,

                         TUid aMainServiceUid );

        /**

        * Destructor.

        */

        virtual ~CAccSrvSubAsyComms();

    public: // New functions

    public: // Functions from base classes

        /**

        * From CAccSrvSubBase

        * Handles received messages from client.

        * @since S60 3.1

        * @param aMessage Client request.

        * @return void

        */

        void DispatchMessageL( const RMessage2& aMessage );

        /**

        * From CAccSrvSubBase Called to handle message completion handling.

        * @since S60 3.1

        * @param aMsgID Message id

        * @param aErrorCode Error Code of the operation.

        * @param aUniqueID Unique ID of the Generic ID in question.

        * @return ETrue if the message was consumpted by a observer.

        */

        TBool CompleteMessageL( TMsgID aMsgID,

                                TInt aErrorCode,

                                TInt aUniqueID );

        /**

        * From CAccSrvSubBase Called to handle message completion handling.

        * @since S60 3.1

        * @param aCmdn Process command id

        * @param aTrId Transaction id

        * @param aASYCommandParamRecord Data for NotifyProcessCommand() completion.

        * @param aPtrBuf Pointer to CBufFlat buffer where CAccPolObjectCon object

        *                is externalized to.

        * @return ETrue if the message was consumpted by a observer.

        */

        virtual TBool CompleteProcessCommandL(

                         TProcessCmdId aCmdn,

                         TInt aTrId,

                         TASYCommandParamRecord& aASYCommandParamRecord,

                         TPtr8* aPtrBuf=NULL );

    protected: // New functions

        /**

        * C++ default constructor.

        */

        CAccSrvSubAsyComms(

                CASYProxyAPI* aSession,

                CAccSrvConnectionController* aConnectionController,

                CAccSrvServerModel* aServerModel,

                TUint aASYThreadID,

                TUid aMainServiceUid );

        /**

        * By default Symbian 2nd phase constructor is private.

        */

        void ConstructL();

    protected: // Functions from base classes

    private:

        /**

        * Handles NotifyProcessCommand() client request.

        * If leave occurs, the client request is completed with that error code.

        *

        * @since S60 3.1

        * @param aMessage Client request.

        * @return void

        */

        void NotifyProcessCommand( const RMessage2& aMessage );

        /**

        * Handles CancelNotifyProcessCommand() client request.

        * If leave occurs, the client request is completed with that error code.

        *

        * @since S60 3.1

        * @param aMessage Client request.

        * @return void

        */

        void CancelNotifyProcessCommand( const RMessage2& aMessage );

        /**

        * Handles ProcessResponse() TBool, TInt and TDesC8 client request.

        * If leave occurs, the client request is completed with that error code.

        *

        * @since S60 3.1

        * @param aMessage Client request.

        * @param aResponseType Type of the response, TBool, TInt or TDesC8

        * @param aTimeOut Indicates has request timed out

        * @return void

        */

        void ProcessResponseL( const RMessage2& aMessage,

                               TProcessResponseType aResponseType,

                               TBool aTimeOut = EFalse );   

        TBool HandleCommandL( TProcessCmdId aCmdn,

                              TInt aTrId,

                              TASYCommandParamRecord& aASYCommandParamRecord,

                              TPtr8* aPtrBuf );

        TInt HandleObjectBufferWriteL( TPtr8* aPtrBuf );

        virtual void CompleteProcessCommandInitL();

        virtual void ProcessCommandTimeOutCompleteL();

    public:     // Data

    protected:  // Data

    private:    // Data

        // Stores RAccessoryAsyComms::NotifyProcessCommand() request

        RMessage2 iMessage;

        //Transaction id for outstanding SetValueL() or GetValueL

        TInt iOutstandingTrId;

				//Timeout transaction id. 

        TInt iTimeOutTrId;

        //Process command ID for outstanding SetValueL() or GetValueL

        TProcessCmdId iOutstandingProcessCmdId;

        // Pointer to timer, that handles time out during

        // Init ProcessCommand

        CAccSrvProcessCommandTimer* iInitCommandTimer; // Owned

        // Pointer to timer, that handles time out during

        // ProcessCommands

        CAccSrvProcessCommandTimer* iProcessCommandTimer; // Owned

        //This sub-session is created by ASY from iASYThreadID thread

        TUint   iASYThreadID;

        TUid    iMainServiceUid;

        // CAccPolObjectBase object is externalized to this buffer.

        // This is done when ASY Proxy buffer size is not enough.

        CBufFlat* iObjectBuf; // Owned

    public:     // Friend classes

    protected:  // Friend classes

    private:    // Friend classes

    };

#endif // CACCSRVSUBASYCOMMS_H

// End of File