1 /*

     2 * Copyright (c) 2007 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:  Reference implementation for ISC Driver extension

    15 *

    16 */

    17 

    18 

    19 

    20 // INCLUDE FILES

    21 

    22 #include "IscDriverExtensionDevice.h"

    23 #include "IscChannel.h"

    24 #include "IscTrace.h"

    25 #include "kern_priv.h"

    26 

    27 // EXTERNAL DATA STRUCTURES

    28 

    29 // EXTERNAL FUNCTION PROTOTYPES  

    30 

    31 // CONSTANTS

    32 _LIT( KIscDriverExtensionName,"IscDriverExtension" );

    33 _LIT( KIscDriverName,"IscDriver" );

    34 

    35 // MACROS

    36 

    37 // LOCAL CONSTANTS AND MACROS

    38 

    39 // MODULE DATA STRUCTURES

    40 

    41 // LOCAL FUNCTION PROTOTYPES

    42 

    43 // FORWARD DECLARATIONS

    44 

    45 

    46 // ============================ MEMBER FUNCTIONS ===============================

    47 

    48 

    49 // -----------------------------------------------------------------------------

    50 // DIscDriverExtensionDevice::DIscDriverExtensionDevice

    51 // C++ default constructor

    52 // ( other items were commented in a header ).

    53 // -----------------------------------------------------------------------------

    54 //

    55 DIscDriverExtensionDevice::DIscDriverExtensionDevice()

    56     : iIscDriverDevice( NULL )

    57     {

    58     C_TRACE( ( _T( "DIscDriverExtensionDevice::DIscDriverExtensionDevice()" ) ) );

    59     iParseMask |= KDeviceAllowUnit;

    60     iParseMask |= KDeviceAllowInfo;

    61     }

    62 

    63 // Destructor

    64 DIscDriverExtensionDevice::~DIscDriverExtensionDevice()

    65     {

    66     

    67     }

    68 

    69 

    70 // -----------------------------------------------------------------------------

    71 // DIscDriverExtensionDevice::Install

    72 // Complete the installation of driver

    73 // ( other items were commented in a header ).

    74 // -----------------------------------------------------------------------------

    75 //

    76 TInt DIscDriverExtensionDevice::Install()

    77     {

    78     C_TRACE( ( _T( "DIscDriverExtensionDevice::Install()" ) ) );

    79   

    80     // Find pointer to ISC Driver.

    81     TInt err( KErrNone );

    82     DObjectCon* lDevices = Kern::Containers()[ELogicalDevice];

    83     TKName driverName;

    84 

    85     ASSERT_RESET_ALWAYS( lDevices, "IscDriverExtension", EIscLogicalDevicesNotFound );

    86 

    87     //TInt driverHandle( KErrNone );  // API change in SOS9.2 WK08

    88 	TFindHandle driverHandle;

    89     err = lDevices->FindByName( driverHandle, KIscDriverName, driverName );

    90     if( KErrNone != err )

    91         {

    92         C_TRACE( ( _T( "DIscDriverExtensionDevice::Install() Pointer to IscDriver not found!" ) ) );

    93         ASSERT_RESET_ALWAYS( 0, "IscDriverExtension", EIscDriverNotFound );

    94         }

    95     iIscDriverDevice = static_cast<DIscDevice*>( lDevices->At( driverHandle ) );

    96     ASSERT_RESET_ALWAYS( iIscDriverDevice, "IscDriverExtension", EIscDriverNotFound )

    97     return ( SetName( &KIscDriverExtensionName ) );

    98     

    99     }

   100 

   101 // -----------------------------------------------------------------------------

   102 // DIscDevice::Create

   103 // Create a logical channel

   104 // ( other items were commented in a header ).

   105 // -----------------------------------------------------------------------------

   106 //

   107 TInt DIscDriverExtensionDevice::Create( 

   108     DLogicalChannelBase*& aChannel )

   109     {

   110     aChannel=new DIscChannel( iIscDriverDevice );

   111     return aChannel?KErrNone:KErrNoMemory;

   112     }

   113 

   114 // ========================== OTHER EXPORTED FUNCTIONS =========================

   115 // -----------------------------------------------------------------------------

   116 // E32Dll

   117 // Epoc Kernel Architecture 2 style entry point

   118 // ( other items were commented in a header ).

   119 // -----------------------------------------------------------------------------

   120 //

   121 DECLARE_STANDARD_LDD()

   122     {

   123     DLogicalDevice* device = new DIscDriverExtensionDevice;

   124     ASSERT_RESET_ALWAYS( device,"IscDriverExtension",EIscPanicCreateLogicalDevice );

   125     return device;

   126     

   127     }

   128 

   129 //  End of File