1 /*

     2 * Copyright (c) 2002 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:  This file is used only if RDRMRightsClient starts the

    15 *                DRM Rights Database server. 

    16 *

    17 */

    18 

    19 // INCLUDE FILES

    20 #include   <e32std.h>

    21 #include    <e32uid.h>

    22 #include <f32file.h>

    23 

    24 #ifdef RD_MULTIPLE_DRIVE

    25 #include <DriveInfo.h>

    26 #endif

    27 

    28 #include "drmengineclientserver.h"

    29 

    30 // EXTERNAL DATA STRUCTURES

    31 // EXTERNAL FUNCTION PROTOTYPES  

    32 // CONSTANTS

    33 #ifdef __WINS__

    34 LOCAL_C const TUint KServerMinHeapSize =  0x1000;  

    35 LOCAL_C const TUint KServerMaxHeapSize = 0x300000; 

    36 _LIT( KRightsServerFile, "RightsServer" );

    37 #else

    38 

    39 #ifdef RD_MULTIPLE_DRIVE

    40 _LIT( KRightsServerFile, "%c:\\RightsServer.exe" );

    41 #else

    42 _LIT( KRightsServerFile, "e:\\RightsServer.exe" );

    43 #endif

    44 #endif

    45 

    46 // MACROS

    47 // LOCAL CONSTANTS AND MACROS

    48 // MODULE DATA STRUCTURES

    49 // LOCAL FUNCTION PROTOTYPES

    50 LOCAL_C TInt CreateServer( void );

    51 

    52 // FORWARD DECLARATIONS

    53 

    54 // ============================= LOCAL FUNCTIONS ===============================

    55 

    56 // -----------------------------------------------------------------------------

    57 // CreateServer launches the DRM Rights server [process (THUMB/ARMI)|thread (WINS)]. 

    58 // Returns: KErrNone: No errors.

    59 //          <KErrNone: Symbian wide error code.

    60 // -----------------------------------------------------------------------------

    61 //

    62 LOCAL_C TInt CreateServer( void )

    63     {

    64     TInt error = KErrNone;

    65     

    66         RProcess server;

    67         

    68 #ifndef RD_MULTIPLE_DRIVE

    69     

    70         error = server.Create( KRightsServerFile, 

    71                                KNullDesC );

    72     

    73 #else //RD_MULTIPLE_DRIVE

    74         

    75         RFs fs;

    76         TInt driveNumber( -1 );

    77         TChar driveLetter;

    78         DriveInfo::GetDefaultDrive( DriveInfo::EDefaultMassStorage, driveNumber );

    79         

    80         error = fs.Connect();

    81         if( error != KErrNone )

    82             {

    83             fs.Close();

    84             return error;

    85             }

    86         

    87         fs.DriveToChar( driveNumber, driveLetter );

    88         fs.Close();

    89 	

    90         TFileName rightsServerFile;

    91         rightsServerFile.Format( KRightsServerFile, (TUint)driveLetter );

    92     

    93         error = server.Create( rightsServerFile, 

    94                                KNullDesC );

    95     

    96 #endif

    97         

    98         if ( !error )

    99             {

   100             // Give some time to the process to start.

   101             User::After( 1000 );

   102             

   103         // Kick the server up & running.

   104         server.Resume();

   105             

   106         // Local handle not needed anymore.

   107         server.Close();

   108         }

   109         

   110     return error;

   111     }

   112     

   113 // ============================ MEMBER FUNCTIONS ===============================

   114     

   115 // ========================== OTHER EXPORTED FUNCTIONS =========================

   116     

   117 // -----------------------------------------------------------------------------

   118 // DRMServerStarter starts the actual server.

   119 // Returns: KErrNone: All went OK, no errors.

   120 //          <KErrNone: Symbian wide error code.

   121 // -----------------------------------------------------------------------------

   122 //

   123 EXPORT_C TInt DRMServerStarter()

   124     {

   125     RSemaphore semaphore;

   126     TFindServer server( DRMEngine::KServerName );

   127     TFullName name;

   128     

   129     // Check if the server is already running.

   130     TInt error = server.Next( name );

   131     

   132     if ( !error )

   133         {

   134         // Yep, it's already running.

   135         return KErrNone;

   136         }

   137 

   138     error = semaphore.CreateGlobal( DRMEngine::KDRMSemaphore,   // name

   139                                     0 ,              // count

   140                                     EOwnerThread ); // owner

   141     

   142     if ( error == KErrAlreadyExists )

   143         {

   144         error = semaphore.OpenGlobal( DRMEngine::KDRMSemaphore );

   145         }

   146         

   147     if ( !error )

   148         {

   149         error = CreateServer();

   150         if ( !error )

   151             {

   152             // Wait until server has done all its things.

   153             semaphore.Wait();

   154             

   155             // Signal the (possible) next one waiting in line. Server

   156             // only signals the semaphore once but there might be several

   157             // clients waiting for this semaphore, in theory.

   158             semaphore.Signal();

   159             }

   160         

   161         // Semaphore can be destroyed.

   162         semaphore.Close();

   163         }

   164         

   165     return error; 

   166     }

   167 //  End of File