// Copyright (c) 2009 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:

// 

// 

/** 

 @file

 @internalTechnology 

 RUsbMscFile Client side header

 Implements the Symbian OS USB mass storage server RUsbMscFile API 

 */

#ifndef USBMSCFILE_H

#define USBMSCFILE_H

#include <e32std.h>

#include "usbmscfileshared.h"

class RUsbMscFile : public RSessionBase

/**

 The RUsbMscFile class implements the Symbian OS USB mass storage RUsbMscFile API 

 @internalTechnology

 */

	{

public:

	/**

     Constructor

	 @internalTechnology

	 */

	inline RUsbMscFile();

	/**

     Extract the version of the server providing the RUsbMscFile API

     @return	Version of the server

     @internalTechnology

	 */

	inline TVersion Version() const;

	/**

	 * Setup a logical unit. Maps a file containing a file system image

	 * to a logical Mass Storage unit. The parameter aLun is reserved for 

	 * future expansion, currently only one unit with LUN = 0 is supported.

	 * 

	 * @param aFileName path to the file containing the file system image

	 * @param aProtocol type of SCSI protocol to use

	 * @param aLun logical unit number (LUN) to assign

     * @return KErrNone on success, otherwise system wide error code 

	 */

	inline TInt SetupLogicalUnit( const TDesC& aFileName, 

	                              const TInt aProtocol, 

	                              const TInt aLun = 0 );

	/**

     StartL the mass storage transport service

	 @param aMsConfig	mass storage configuration info

	 @internalTechnology

	 @return KErrNone on success, otherwise system wide error code 

	 */

	inline TInt Start( const TMassStorageConfig& aMsConfig );

	/**

     Stops mass storage transport service

	 @internalTechnology

	 @return KErrNone on success, otherwise system wide error code 

	 */

	inline TInt Stop();

	/**

     Shut down the Mass Storage server

	 @internalTechnology

	 @return KErrNone on success, otherwise system wide error code 

	 */

	inline TInt Shutdown();

	/**

	 Connects to mass storage file server

	 @internalTechnology

	 @return KErrNone on success, otherwise system wide error code 

	 */

    inline TInt Connect();

	};

#include "usbmscfile.inl"

#endif //USBMSCFILE_H