/*

* Copyright (c) 2002-2006 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:  Handler for ASY instance

*

*/

// INCLUDE FILES

#include "ASYProxy.h"

#include "ASYProxyAsyHandler.h"

#include "acc_debug.h"

#include <AsyServiceUids.h>

#include <e32svr.h>

#include <e32def.h>

// EXTERNAL DATA STRUCTURES

// EXTERNAL FUNCTION PROTOTYPES

// CONSTANTS

const TInt KMinASYHeapSize      = 0x2000;

const TInt KMaxASYHeapSize      = 0x8000;

const TInt KMinASYStackSize     = 0x1000;

const TInt KDefaultASYStackSize = 0x2000;

const TInt KMaxASYStackSize     = 0x4000;

// MACROS

// LOCAL CONSTANTS AND MACROS

// MODULE DATA STRUCTURES

// LOCAL FUNCTION PROTOTYPES

// FORWARD DECLARATIONS

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

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

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

// CASYProxyASYHandler::CASYProxyASYHandler

// C++ default constructor can NOT contain any code, that

// might leave.

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

//

CASYProxyASYHandler::CASYProxyASYHandler(

      CASYProxy* aASYProxy,

      const TInt aIndex,

      const TUid aHandlerUid,

      const CImplementationInformation& aImplementationInformation )

    : iHandlerUid( aHandlerUid ),

      iASYProxy( aASYProxy ),    

      iASYState( EASYProxyASYReset ),

      iIndex( aIndex ),

      iHeapValue( KDefaultASYHeapSize ),

      iStackValue( KDefaultASYStackSize )

    {

    COM_TRACE_4( "[AccFW:AsyProxy] CASYProxyASYHandler::CASYProxyASYHandler(0x%x, %d, 0x%x, 0x%x )", aASYProxy, aIndex, aHandlerUid.iUid, &aImplementationInformation );

    iImplementationInformation = const_cast<CImplementationInformation*>

                                           ( &aImplementationInformation );

    COM_TRACE_1( "[AccFW:AsyProxy] CASYProxyASYHandler::CASYProxyASYHandler( 0x%x )", &iImplementationInformation );

    SetMemoryValues();

    COM_TRACE_( "[AccFW:AsyProxy] CASYProxyASYHandler::CASYProxyASYHandler" );

    }

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

// CASYProxyASYHandler::ConstructL

// Symbian 2nd phase constructor can leave.

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

//

void CASYProxyASYHandler::ConstructL()

    {

    COM_TRACE_( "[AccFW:AsyProxy] CASYProxyASYHandler::ConstructL()" );

    LoadASYL();

    COM_TRACE_( "[AccFW:AsyProxy] CASYProxyASYHandler::ConstructL - return void" );

    }

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

// CASYProxyASYHandler::NewL

// Two-phased constructor.

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

//

CASYProxyASYHandler* CASYProxyASYHandler::NewL(

        CASYProxy* aASYProxy,

        const TInt aIndex,

        const TUid aHandlerUid,

        const CImplementationInformation& aImplementationInformation )

    {

    COM_TRACE_4( "[AccFW:AsyProxy] CASYProxyASYHandler::CASYProxyASYHandler(0x%x, %d, 0x%x, 0x%x )", aASYProxy, aIndex, aHandlerUid.iUid, &aImplementationInformation );

    CASYProxyASYHandler* self = new ( ELeave ) CASYProxyASYHandler(

                                               aASYProxy,

                                               aIndex,

                                               aHandlerUid,

                                               aImplementationInformation

                                               );

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop( self );

    COM_TRACE_1( "[AccFW:AsyProxy] CASYProxyASYHandler::NewL - return 0x%x", self );

    return self;

    }

// Destructor

CASYProxyASYHandler::~CASYProxyASYHandler()

    {

    COM_TRACE_( "[AccFW:AsyProxy] CASYProxyASYHandler::~CASYProxyASYHandler()" );

    if ( iASYServiceMain )

        {

        // Cancel main service

        iASYServiceMain->Cancel();

        delete iASYServiceMain;

        iASYServiceMain = NULL;

        }

    COM_TRACE_( "[AccFW:AsyProxy] CASYProxyASYHandler::~CASYProxyASYHandler" );

    }

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

// CASYProxyASYHandler::SetMemoryValues

// Sets heap and stack memory values for a new thread

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

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

//

void CASYProxyASYHandler::SetMemoryValues()

    {

    COM_TRACE_( "[AccFW:AsyProxy] CASYProxyASYHandler::SetMemoryValues()" );

    TBuf8<KMaxImplementationInfoDataLength> bufOpaqData;

    bufOpaqData = iImplementationInformation->OpaqueData();

    TInt tmpHeapMemValue( 0 );

    TInt tmpStackMemValue( 0 );

    _LIT8( KMatchHeapAndStack, "Heap=0x????|Stack=0x????" );

    _LIT8( KMatchHeap,         "Heap=0x????" );

    _LIT8( KMatchStackAndHeap, "Stack=0x????|Heap=0x????" );

    _LIT8( KMatchStack,        "Stack=0x????" );

    _LIT8(KHeap,"Heap=0x");

    _LIT8(KStack,"Stack=0x");

    if ( ( KErrNotFound != bufOpaqData.Match( KMatchHeapAndStack ) ) ||

         ( KErrNotFound != bufOpaqData.Match( KMatchHeap ) ) ||

         ( KErrNotFound != bufOpaqData.Match( KMatchStackAndHeap ) ) ||

         ( KErrNotFound != bufOpaqData.Match( KMatchStack ) ) )

        {

        tmpHeapMemValue = ReadMemoryItem( bufOpaqData, KHeap );

        tmpStackMemValue = ReadMemoryItem( bufOpaqData, KStack );

        if ( ( tmpHeapMemValue != KErrGeneral ) &&

             ( tmpStackMemValue != KErrGeneral ) )

            {

            if ( ( tmpHeapMemValue > KMinASYHeapSize) &&

                 ( tmpHeapMemValue < KMaxASYHeapSize ) )

                {

                iHeapValue = tmpHeapMemValue;

                }

            if ( ( tmpStackMemValue > KMinASYStackSize) &&

                 ( tmpStackMemValue < KMaxASYStackSize ) )

                {

                iStackValue = tmpStackMemValue;

                }

            }

        }

    else

        {

        COM_TRACE_( "[AccFW:AsyProxy] CASYProxyASYHandler::SetMemoryValues - Opaque data was empty or in wrong format." );

        }

    COM_TRACE_2( "[AccFW:AsyProxy] CASYProxyASYHandler::SetMemoryValues(iHeapValue == 0x%x, iStackValue == 0x%x)", iHeapValue, iStackValue );

    COM_TRACE_( "[AccFW:AsyProxy] CASYProxyASYHandler::SetMemoryValues - return void" );

    }

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

// CASYProxyASYHandler::ReadMemoryItem

// Sets heap and stack memory values for a new thread

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

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

//

TInt CASYProxyASYHandler::ReadMemoryItem( const TDesC8& aOpaqData,

                                          const TDesC8& aMemKey )

    {

    COM_TRACE_( "[AccFW:AsyProxy] CASYProxyASYHandler::ReadMemoryItem( TDesC8, TDesC8 )" );

    TPtrC8 ptrValue;

    TChar tmpChar;

    TLex8 lex;

    TBool hDigitsOK( ETrue );

    TUint memValue( 0 );

    const TInt KValueLength( 4 );

    TInt valueBeg(0);

    TInt valueFind( 0 );

    TInt retValue( KErrGeneral );

    valueFind = aOpaqData.Find( aMemKey );

    if ( KErrNotFound != valueFind )

        {

        valueBeg = valueFind + aMemKey.Length();

        ptrValue.Set( aOpaqData.Mid( valueBeg, KValueLength ) );

        for ( TInt i=0; i < KValueLength; i++ )

            {

            tmpChar = ptrValue[i];

            if ( !tmpChar.IsHexDigit() )

                {

                hDigitsOK = EFalse;

                COM_TRACE_( "[AccFW:AsyProxy] CASYProxyASYHandler::ReadMemoryItem - Opaque data was in wrong format." );

                break;

                }

            }

        if ( hDigitsOK )

            {

            lex.Assign( ptrValue );

            if ( !lex.Val( memValue, EHex ) )

                {

                retValue = memValue;

                }

            }

        }

    else

        {

        retValue = 0;

        }

    COM_TRACE_1( "[AccFW:AsyProxy] CASYProxyASYHandler::ReadMemoryItem - return 0x%x", retValue );

    return retValue;

    }

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

// CASYProxyASYHandler::LoadAsysL

// Creates a new CASYProxyMainService object and orders it to start a new thread

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

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

//

void CASYProxyASYHandler::LoadASYL()

    {

    COM_TRACE_( "[AccFW:AsyProxy] CASYProxyASYHandler::LoadASYL()" );

    COM_TRACE_1( "[AccFW:AsyProxy] CASYProxyASYHandler::LoadASYL - iIndex == %d", iIndex );

    COM_TRACE_2( "[AccFW:AsyProxy] CASYProxyASYHandler::LoadASYL[%d] - ImplementationUid == 0x%x", iIndex, iImplementationInformation->ImplementationUid() );

    COM_TRACE_2( "[AccFW:AsyProxy] CASYProxyASYHandler::LoadASYL[%d] - iHandlerUid == 0x%x", iIndex, iHandlerUid );

    COM_TRACE_2( "[AccFW:AsyProxy] CASYProxyASYHandler::LoadASYL[%d] - dllUid == display_name == %S", iIndex, &iImplementationInformation->DisplayName() );

    COM_TRACE_2( "[AccFW:AsyProxy] CASYProxyASYHandler::LoadASYL[%d] - iHeapValue == 0x%x", iIndex, iHeapValue );

    COM_TRACE_2( "[AccFW:AsyProxy] CASYProxyASYHandler::LoadASYL[%d] - iStackValue == 0x%x", iIndex, iStackValue );

    iASYServiceMain = CASYProxyMainService::NewL( this );

    iASYServiceMain->StartThreadL(

                     iImplementationInformation->ImplementationUid(),

                     iHandlerUid,

                     iHeapValue,

                     iStackValue );

    COM_TRACE_( "[AccFW:AsyProxy] CASYProxyASYHandler::LoadASYL - return void" );

    }

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

// CASYProxyASYHandler::UpdateASYStateL

// Updates the status information of ASY

// Informs ASYProxy about changes of status

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

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

//

void CASYProxyASYHandler::UpdateASYStateL( TASYProxyASYState aASYState )

    {

    COM_TRACE_2( "[AccFW:AsyProxy] CASYProxyASYHandler::UpdateASYStateL(iIndex == %d, aAsyState == %d)", iIndex, aASYState );

    iASYState = aASYState;

    if ( aASYState == EASYProxyASYConnectionReady )

        {

        iASYProxy->LoadCompleteL( iIndex );

        }

    else if ( aASYState == EASYProxyASYThreadKills )

        {

        iASYProxy->ThreadKills( iIndex );

        }

    COM_TRACE_( "[AccFW:AsyProxy] CASYProxyASYHandler::UpdateASYStateL - return void" );

    }

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

// CASYProxyASYHandler::CurrentState

// Returns the current status of ASY

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

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

//

TASYProxyASYState CASYProxyASYHandler::CurrentState() const

    {

    COM_TRACE_( "[AccFW:AsyProxy] CASYProxyASYHandler::CurrentState()" );

    COM_TRACE_1( "[AccFW:AsyProxy] CASYProxyASYHandler::CurrentState - iIndex == %d", iIndex );

    COM_TRACE_1( "[AccFW:AsyProxy] CASYProxyASYHandler::CurrentState - return %d", iASYState );

    return iASYState;

    }

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

// CASYProxyASYHandler::Index

// Returns the index of this ASY

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

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

//

TInt CASYProxyASYHandler::Index() const

    {

    COM_TRACE_( "[AccFW:AsyProxy] CASYProxyASYHandler::Index()" );

    COM_TRACE_1( "[AccFW:AsyProxy] CASYProxyASYHandler::Index - return %d", iIndex );

    return iIndex;

    }

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

// End of File