1 /*

     2 * Copyright (c) 2008-2010 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:

    15 *

    16 */

    17 

    18 /**

    19  @file

    20  @internalComponent

    21 */

    22 

    23 #include <usb/usblogger.h>

    24 #include <e32cmn.h>

    25 

    26 #include "srvdef.h"

    27 #include "msmmindicatorclient.h"

    28 #include "OstTraceDefinitions.h"

    29 #ifdef OST_TRACE_COMPILER_IN_USE

    30 #include "msmmindicatorclientTraces.h"

    31 #endif

    32 

    33  

    34 

    35 // Costants

    36 const TInt KConnectRetry = 0x2;

    37 

    38 

    39 //---------------------------------------------------------------------------

    40 // RHostMassStorage

    41 //

    42 // Public member functions

    43 

    44 EXPORT_C TInt RHostMassStorage::Connect()

    45     {

    46     OstTraceFunctionEntry0( RHOSTMASSSTORAGE_CONNECT_ENTRY );

    47     

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

    49     TInt ret(KErrNone);

    50     FOREVER

    51         {

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

    53         // We are not allowed to start the server

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

    55             {

    56             OstTrace1( TRACE_NORMAL, RHOSTMASSSTORAGE_CONNECT, 

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

    58             return KErrNotReady;

    59             }

    60         if ( KErrNone == ret )

    61             {

    62             break;

    63             }

    64         if ((--retry) == 0)

    65             {

    66             break;

    67             }

    68         }    

    69     OstTraceFunctionExit0( RHOSTMASSSTORAGE_CONNECT_EXIT );

    70     return ret; 

    71     }

    72 

    73 EXPORT_C TInt RHostMassStorage::Disconnect()

    74     {

    75     OstTraceFunctionEntry0( RHOSTMASSSTORAGE_DISCONNECT_ENTRY );

    76     

    77     Close();

    78     OstTraceFunctionExit0( RHOSTMASSSTORAGE_DISCONNECT_EXIT );

    79     return KErrNone;

    80     }

    81 

    82 /**

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

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

    85  */

    86 EXPORT_C TVersion RHostMassStorage::Version() const

    87     {

    88     OstTraceFunctionEntry0( RHOSTMASSSTORAGE_VERSION_ENTRY );

    89     

    90     return TVersion(KMsmmServMajorVersionNumber,

    91                     KMsmmServMinorVersionNumber,

    92                     KMsmmServBuildVersionNumber);

    93     }

    94 

    95 /** 

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

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

    98  * @return Error code of IPC.

    99 */

   100 

   101 EXPORT_C TInt RHostMassStorage::EjectUsbDrives()

   102     {

   103     OstTraceFunctionEntry0( RHOSTMASSSTORAGE_EJECTUSBDRIVES_ENTRY );

   104     

   105     TInt ret(KErrNone);

   106 

   107     TIpcArgs usbmsIpcArgs;

   108 

   109     ret = Send(EHostMsmmServerEjectUsbDrives, usbmsIpcArgs);

   110     

   111     OstTraceFunctionExit0( RHOSTMASSSTORAGE_EJECTUSBDRIVES_EXIT );

   112     return ret;

   113     }

   114 

   115 

   116 // End of file