/*

* Copyright (c) 2006-2007 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:  ?Description

*

*/

#ifndef IRHTTPPOST_H

#define IRHTTPPOST_H

#include <f32file.h>

#include <mhttpdatasupplier.h>

#include <rhttptransaction.h>

class CIRSettings;

/**

 * CIRHttpPost class for posting the data

 * Reading from the file as chunks of data

 * using MHTTPDataSupplier - Data supplier 

 */

NONSHARABLE_CLASS ( CIRHttpPost ):public CBase,	public MHTTPDataSupplier

	{

public:

	/** 

     * CIRHttpPost::NewL

     * 1st phase constructor

     */    

     static CIRHttpPost* NewL( const RHTTPTransaction& aHttpTransaction );

	/** 

     * CIRHttpPost::~CIRHttpPost

     * C++ default destructor

     */

	virtual ~CIRHttpPost();

	/** 

     * CIRHttpPost::GetNextDataPart

     * Obtain a data part from the supplier. 

     * The data is guaranteed to survive until a call

     * is made to ReleaseData(). 

     */

	virtual TBool GetNextDataPart( TPtrC8& aDataPart );

	/** 

     * ReleaseData()

     * Release the current data part being held at the data supplier

     */

	virtual void ReleaseData();

	/** 

     * OverallDataSize()

     * Obtain the overall size of the data being supplied, 

     * if known to the supplier

     */	

	virtual TInt OverallDataSize();

	/** 

     * Reset()

     * Reset the data supplier

     * otherwise returns KErrNone

     */

	virtual TInt Reset();

	/** 

     * GetFileToPostL()

     * Prepares the data to be posted from the log file

     */

	void GetFileToPostL(TInt *aFileSize);

	/** 

     * CloseLogFile ()

     * Used to Close the log file LogUsage.gz externally from other sources (bug-fixing)

     */

	void CloseLogFile ();	

	/** 

     * SetTransaction().

     * Sets transaction.

     *

     * @param aHttpTransaction Reference to RHTTPTransaction.

     */

	void SetTransaction( const RHTTPTransaction& aHttpTransaction );

private:

	/** 

     * CIRHttpPost::CIRHttpPost

     * C++ default constructor

     * @param aHttpTransaction Reference to RHTTPTransaction

     */

	CIRHttpPost( const RHTTPTransaction& aHttpTransaction );

	/** 

     * CIRHttpPost::ConstructL

     * 2nd phase constructor

     */

    void ConstructL();

	/** 

     * CIRHttpPost::GetDataPartFromFileL

     * Obtain a data part from the browse log file.

     *

     * @param aDataPart Data from browse log to be returned.

     */

	 void GetDataPartFromFileL( TDes8& aDataPart );

private:

	/**

     * Browse log file.

     */	

    RFile iLogFile;

	/**

     * Total size of the post data file

     */

	TInt iTotalsize;

	/**

     * set the initial data sent

     */	

	TInt iStartPos;

	/**

     * remaining size of data to be sent

     */	

	TInt iRemainingLength;

     /**

     * object to HTTP Transaction 

     */

	RHTTPTransaction iTransaction;

    /**

     * Data part buffer.

     */

	RBuf8 iPartPostBuffer;

	/**

	*central repository settings handle

	*/

	CIRSettings* iSettings;

	};

#endif //IRHTTPPOST_H