--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/memspy/Driver/Kernel/Include/SubChannels/MemSpyDriverLogChanHeapBase.h	Tue Feb 02 01:57:15 2010 +0200
@@ -0,0 +1,95 @@
+/*
+* Copyright (c) 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:
+*
+*/
+
+#ifndef MEMSPYDRIVERLOGICALCHANHEAPBASE_H
+#define MEMSPYDRIVERLOGICALCHANHEAPBASE_H
+
+// System includes
+#include <kern_priv.h>
+#include <memspy/driver/memspydriverobjectsshared.h>
+#include <memspy/driver/memspydriverenumerationsshared.h>
+
+// User includes
+#include "MemSpyDriverOpCodes.h"
+#include "MemSpyDriverLogChanBase.h"
+#include "MemSpyDriverObjectsInternal.h"
+#include "MemSpyDriverHeapWalker.h"
+#include "MemSpyDriverEnumerationsInternal.h"
+
+// Classes referenced
+class TMemSpyHeapInfo;
+class DMemSpyDriverDevice;
+class RMemSpyDriverRHeapUser;
+class RMemSpyMemStreamWriter;
+class RMemSpyDriverRHeapKernelInPlace;
+class RMemSpyDriverRHeapKernelFromCopy;
+
+
+class DMemSpyDriverLogChanHeapBase : public DMemSpyDriverLogChanBase, public MMemSpyHeapWalkerObserver
+	{
+public:
+    enum TDrmMatchType
+        {
+        EMatchTypeNone = 0,
+        EMatchTypeName,
+        EMatchTypeUid
+        };
+public:
+	~DMemSpyDriverLogChanHeapBase();
+
+protected:
+	DMemSpyDriverLogChanHeapBase( DMemSpyDriverDevice& aDevice, DThread& aThread );
+    TInt Construct();
+
+protected: // From DMemSpyDriverLogChanBase
+    TInt Request( TInt aFunction, TAny* a1, TAny* a2 );
+
+protected: // Capability checks for heap access
+    TDrmMatchType IsDrmThread( DThread& aThread );
+
+private: // From MHeapWalkerObserver
+    void HandleHeapWalkInit();
+    TBool HandleHeapCell( TInt aCellType, TAny* aCellAddress, TInt aLength, TInt aNestingLevel, TInt aAllocNumber );
+
+protected: // Heap utility functions
+    TInt OpenKernelHeap( RHeapK*& aHeap, DChunk*& aChunk, TDes8* aClientHeapChunkName = NULL );
+    TInt OpenKernelHeap( RMemSpyDriverRHeapKernelInPlace& aHeap, TDes8* aClientHeapChunkName = NULL );
+    TInt OpenKernelHeap( RMemSpyDriverRHeapKernelFromCopy& aHeap, TDes8* aClientHeapChunkName = NULL );
+    TInt OpenUserHeap( DThread& aClientThread, TUint aExpectedHeapVTable, RMemSpyDriverRHeapUser& aHeap, DChunk*& aUserHeapChunk, TDes8* aClientHeapChunkName = NULL );
+    TBool GetUserHeapHandle( DThread& aThread, RMemSpyDriverRHeapUser& aHeap, TUint aExpectedVTable );
+    TBool IsDebugKernel();
+    TBool IsDebugKernel( RMemSpyDriverRHeapKernelInPlace& aHeap );
+    TInt GetHeapInfoKernel( RMemSpyDriverRHeapBase& aHeap, TBool aIsDebugAllocator, const TDesC8& aChunkName, TMemSpyHeapInfo* aHeapInfo, TDes8* aTransferBuffer );
+    void PrintHeapInfo( const TMemSpyHeapInfo& aInfo );
+
+protected: // Free cells
+    void ReleaseFreeCells();
+    TInt PrepareFreeCellTransferBuffer();
+	TInt FetchFreeCells( TDes8* aBufferSink );
+    TInt CalculateFreeCellBufferSize() const;
+
+private: // Data members
+	RArray< TMemSpyDriverFreeCell > iFreeCells;
+
+    // Points to stack-based object whilst walking in progress
+    RMemSpyMemStreamWriter* iStackStream;
+    RMemSpyMemStreamWriter* iHeapStream;
+    TInt iFreeCellCount;
+	};
+
+
+#endif