/**

 * Copyright (c) 2010 Sasken Communication Technologies Ltd.

 * All rights reserved.

 * This component and the accompanying materials are made available

 * under the terms of the "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:

 * Chandradeep Gandhi, Sasken Communication Technologies Ltd - Initial contribution

 *

 * Contributors:

 * Manasij Roy, Nalina Hariharan

 */

#ifndef SMFCLIENTSYMBIAN_H_

#define SMFCLIENTSYMBIAN_H_

#include <e32base.h>

#include <e32cmn.h>

#include "smfglobal.h"

#include "smfobserver.h"

#include "smfprovider.h"

#include <QStringList>

#include "smfclientsymbiansession.h"

/**

 * Private client implementation for Symbian.

 */

class CSmfClientSymbian : public CActive

{

public: // Constructors and destructors

	/**

	 * Two phase contruction.

	 * @param aObserver For callback

	 */

     static CSmfClientSymbian* NewL(smfObserver* aObserver=NULL);

     static CSmfClientSymbian* NewLC(smfObserver* aObserver);

     CSmfClientSymbian(smfObserver* aObserver);

     /**

     * ~CSmfClientSymbian.

     * Destructor.

     * Destroys the object and release all memory objects.

     */

     virtual ~CSmfClientSymbian();

 public: 

     /**

      * Calls SendReceive of the RSessionBase object.

      * @param aSerializedData serialized by the caller.

      * @param aInterfaceName Interface name

      * @param requestType Opcode

      * @param maxSize Max data size that is allocated in the client side for

      * receiving this data

      * @param xtraInfo XtraInfo when required by server other than smfProvider

      */

     TInt sendRequest(QByteArray& aSerializedData,

    		 QString aInterfaceName,

    		 SmfRequestTypeID requestType,TInt aMaxAllocation,QByteArray xtraInfo=QByteArray());

     /**

      * This overloaded API is for ESmfGetServices, where data should be

      * fetched synchronously

      */

     QByteArray sendRequest(QString aInterfaceName,

    		 SmfRequestTypeID requestType,TInt maxSize=10);

     /**

      * For sending request specific to DSM. These are used by SmfRelationMngr API

      * @param requestType Opcode

      * @param aSerializedData Data to be passed to DSM through server, interpretation

      * depends on Relation manager and DSM

      * @maxSize Size to be allocated in the client side

      * @return Data received from server, interpretation depends on SmfRelationMngr and DSM

      */

     QByteArray sendDSMSyncRequest(SmfRequestTypeID requestType,QByteArray& aSerializedData,SmfError& aErr,TInt maxSize=10);

     /**

      * For testing purpose only

      */

     TInt sendDummyRequest(QByteArray* provider,QString aInterfaceName,

    		 SmfRequestTypeID requestType);

     /**

     * CancelRequest.

     * Cancels an outstanding request.

     */

     void CancelRequest() ;

 protected: // Functions from base classes

     /**

     * From CActive, RunL.

     * Callback function.

     * Invoked to handle responses from the server.

     */

     void RunL();

     /**

     * From CActive, DoCancel.

     * Cancels any outstanding operation.

     */

     void DoCancel();

     TInt RunError(TInt aError);

 private: // Constructors and destructors

     /**

     * CSmfClientSymbian.

     * Performs the first phase of two phase construction.

     */

     CSmfClientSymbian();

     /**

     * ConstructL.

     * Performs the second phase construction of a

     * CSmfClientSymbian object.

     */

     void ConstructL();

     //debugging

     void writeLog(QString log);

 private: // Data

     /**

     * iSession, the server session.

     */

     RSmfClientSymbianSession iSession;

     /**

      * For callback, when the client gets serviced by the server

      */

     smfObserver* iObserver;

     //Interface name, to be passed to the server

     TBuf<128> iInterfaceName;

     QString iInterfaceNameQt;

     //Data ptr

     TPtr iDataPtr;

     //Bytearray

     QByteArray* iBytearray;

     HBufC* iBuffer;

     TInt iMaxMessageSize;

 	/**

 	 * Testing

 	 */

 	QStringList dummyList;

 	QByteArray* dummyArray;

};

#endif /* SMFCLIENTSYMBIAN_H_ */