/*

* Copyright (c) 2008-2010 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

 @internalComponent

*/

#include <usb/usblogger.h>

#include <e32cmn.h>

#include "srvdef.h"

#include "msmmindicatorclient.h"

#include "OstTraceDefinitions.h"

#ifdef OST_TRACE_COMPILER_IN_USE

#include "msmmindicatorclientTraces.h"

#endif

// Costants

const TInt KConnectRetry = 0x2;

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

// RHostMassStorage

//

// Public member functions

EXPORT_C TInt RHostMassStorage::Connect()

    {

    OstTraceFunctionEntry0( RHOSTMASSSTORAGE_CONNECT_ENTRY );

    TInt retry = KConnectRetry; // Attempt to add a session to MSMM Server twice

    TInt ret(KErrNone);

    FOREVER

        {

        ret = CreateSession(KMsmmServerName, Version(), KDefaultMessageSlots);

        // We are not allowed to start the server

        if ((KErrNotFound == ret) || (KErrServerTerminated == ret))

            {

            OstTrace1( TRACE_NORMAL, RHOSTMASSSTORAGE_CONNECT, 

                    "Underlying error value = %d", ret );

            return KErrNotReady;

            }

        if ( KErrNone == ret )

            {

            break;

            }

        if ((--retry) == 0)

            {

            break;

            }

        }    

    OstTraceFunctionExit0( RHOSTMASSSTORAGE_CONNECT_EXIT );

    return ret; 

    }

EXPORT_C TInt RHostMassStorage::Disconnect()

    {

    OstTraceFunctionEntry0( RHOSTMASSSTORAGE_DISCONNECT_ENTRY );

    Close();

    OstTraceFunctionExit0( RHOSTMASSSTORAGE_DISCONNECT_EXIT );

    return KErrNone;

    }

/**

 *  Called to validate the version of the server we require for this API

 *  @return TVersion    The version of MSMM Server that supports this API

 */

EXPORT_C TVersion RHostMassStorage::Version() const

    {

    OstTraceFunctionEntry0( RHOSTMASSSTORAGE_VERSION_ENTRY );

    return TVersion(KMsmmServMajorVersionNumber,

                    KMsmmServMinorVersionNumber,

                    KMsmmServBuildVersionNumber);

    }

/** 

 * Dismount USB drives from File System asynchronously. The function will return immediately to the UI with complete status

 * The result of dismounting USB drives will be notified to the MSMM Plugin via CMsmmPolicyPluginBase

 * @return Error code of IPC.

*/

EXPORT_C TInt RHostMassStorage::EjectUsbDrives()

    {

    OstTraceFunctionEntry0( RHOSTMASSSTORAGE_EJECTUSBDRIVES_ENTRY );

    TInt ret(KErrNone);

    TIpcArgs usbmsIpcArgs;

    ret = Send(EHostMsmmServerEjectUsbDrives, usbmsIpcArgs);

    OstTraceFunctionExit0( RHOSTMASSSTORAGE_EJECTUSBDRIVES_EXIT );

    return ret;

    }

// End of file