// Copyright (c) 2004-2009 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:

 //

 // INCLUDE FILES

 #include <e32std.h>

 #include <e32svr.h>

 #include "a3f_trace_heap.h"

 // EXTERNAL DATA STRUCTURES

 //extern  ?external_data;

 TUint32* 	TraceHeap::iTraceMask = NULL;

 TUint32* 	TraceHeap::iTraceLevel = NULL;

 TBool*      TraceHeap::iApiOnly = NULL;

 RHeap* 		TraceHeap::iTraceHeap = NULL;

 // EXTERNAL FUNCTION PROTOTYPES  

 //extern ?external_function( ?arg_type,?arg_type );

 // CONSTANTS

 //const ?type ?constant_var = ?constant;

 // MACROS

 //#define ?macro ?macro_def

 // LOCAL CONSTANTS AND MACROS

 //const ?type ?constant_var = ?constant;

 //#define ?macro_name ?macro_def

 // MODULE DATA STRUCTURES

 //enum ?declaration

 //typedef ?declaration

 // LOCAL FUNCTION PROTOTYPES

 //?type ?function_name( ?arg_type, ?arg_type );

 // FORWARD DECLARATIONS

 //class ?FORWARD_CLASSNAME;

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

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

 // ?classname::?member_function

 // ?implementation_description

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

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

 //

 EXPORT_C void TraceHeap::CreateL(const TUint aDefaultMask)

     {

     // check that the heap is not already created

 	if ( TraceHeap::iTraceHeap )

 	    {

 	    return;

 	    }

 	// create a heap private to the owning process (heap can also be created as global)

 	TraceHeap::iTraceHeap = UserHeap::ChunkHeap( NULL, KMinHeapSize, KMinHeapSize, KMinHeapGrowBy );

 	__ASSERT_ALWAYS( TraceHeap::iTraceHeap, User::Leave(KErrGeneral));

 	// create iTrace... variables

 	TraceHeap::iTraceMask = (TUint32*)TraceHeap::iTraceHeap->AllocL( sizeof(TUint32) );

 	*TraceHeap::iTraceMask = aDefaultMask;

     TraceHeap::iTraceLevel = (TUint32*)TraceHeap::iTraceHeap->AllocL( sizeof(TUint32) );

 	*TraceHeap::iTraceLevel = 0;		

     TraceHeap::iApiOnly = (TBool*)TraceHeap::iTraceHeap->AllocL( sizeof(TBool) );

 	*TraceHeap::iApiOnly = EFalse;		

     }

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

 // ?classname::?member_function

 // ?implementation_description

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

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

 //

 EXPORT_C TUint32 TraceHeap::TraceMask()

 	{

 	return *TraceHeap::iTraceMask;

 	}

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

 // ?classname::?member_function

 // ?implementation_description

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

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

 //

 EXPORT_C void TraceHeap::SetTraceMask(

 	const TUint32 aTraceMask )

 	{

     if ( !TraceHeap::iTraceHeap )

         {

         TRAP_IGNORE(TraceHeap::CreateL());   

         }

 	*TraceHeap::iTraceMask = aTraceMask;

 	}

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

 // ?classname::?member_function

 // ?implementation_description

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

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

 //

 EXPORT_C TBool TraceHeap::IsMaskOn(

 	const TUint32 aMask )

 	{

 	return ( *TraceHeap::iTraceMask & aMask );

 	}

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

 // ?classname::?member_function

 // ?implementation_description

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

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

 //

 EXPORT_C void TraceHeap::SetLevel( const TUint32 aTraceLevel )

     {

     *TraceHeap::iTraceLevel = aTraceLevel;

     }

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

 // ?classname::?member_function

 // ?implementation_description

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

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

 //    

 EXPORT_C TBool TraceHeap::IsBelowLevel( const TUint32 aLevel )

     {

     return (*TraceHeap::iTraceLevel > aLevel);

     }

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

 // ?classname::?member_function

 // ?implementation_description

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

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

 //    

 EXPORT_C TUint32 TraceHeap::TraceLevel()

     {

     return *TraceHeap::iTraceLevel;

     }

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

 // ?classname::?member_function

 // ?implementation_description

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

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

 //    

 EXPORT_C TBool TraceHeap::IsApiOnly()

     {

     return *iApiOnly;

     }

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

 // ?classname::?member_function

 // ?implementation_description

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

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

 //    

 EXPORT_C void TraceHeap::SetApiOnly( const TBool aApiOnly)

     {

     *iApiOnly = aApiOnly;

     }

 //  End of File