--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/perfsrv/memspy/Driver/Kernel/Include/SubChannels/MemSpyDriverLogChanHeapWalkUser.h	Mon Oct 04 02:45:59 2010 +0300
@@ -0,0 +1,99 @@
+/*
+* 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 MEMSPYDRIVERLOGICALCHANHEAPWALKUSER_H
+#define MEMSPYDRIVERLOGICALCHANHEAPWALKUSER_H
+
+// System includes
+#include <e32cmn.h>
+#include <kern_priv.h>
+#ifdef __MARM__
+#include <arm.h>
+#endif
+#include <memspy/driver/memspydriverobjectsshared.h>
+#include <memspy/driver/memspydriverenumerationsshared.h>
+
+// User includes
+#include "MemSpyDriverOpCodes.h"
+#include "MemSpyDriverHeapWalker.h"
+#include "MemSpyDriverObjectsInternal.h"
+#include "MemSpyDriverLogChanHeapBase.h"
+#include "MemSpyDriverEnumerationsInternal.h"
+
+// Classes referenced
+class DMemSpyDriverDevice;
+class TMemSpyDriverLogChanHeapWalkObserver;
+
+
+class DMemSpyDriverLogChanHeapWalkUser : public DMemSpyDriverLogChanHeapBase
+	{
+public:
+	DMemSpyDriverLogChanHeapWalkUser( DMemSpyDriverDevice& aDevice, DThread& aThread );
+	~DMemSpyDriverLogChanHeapWalkUser();
+
+private: // from DMemSpyDriverLogChanBase
+	TInt Request( TInt aFunction, TAny* a1, TAny* a2 );
+    TBool IsHandler( TInt aFunction ) const;
+
+private: // Channel operation handlers
+    TInt WalkHeapInit( TMemSpyDriverInternalWalkHeapParamsInit* aParams );
+    TInt WalkHeapNextCell( TUint aTid, TMemSpyDriverInternalWalkHeapParamsCell* aParams );
+    TInt WalkHeapClose();
+    TInt WalkHeapReadCellData( TMemSpyDriverInternalWalkHeapCellDataReadParams* aParams);
+    TInt WalkHeapGetCellInfo( TAny* aCellAddress, TMemSpyDriverInternalWalkHeapParamsCell* aParams );
+        
+private: // Internal methods
+    const TMemSpyDriverInternalWalkHeapParamsCell* CellInfoForAddressWithinCellRange( TAny* aAddress ) const;
+    const TMemSpyDriverInternalWalkHeapParamsCell* CellInfoForSpecificAddress( TAny* aAddress ) const;
+
+private: // Heap walker callback
+    TBool WalkerHandleHeapCell(TMemSpyDriverCellType aCellType, TAny* aCellAddress, TInt aLength, TInt aNestingLevel, TInt aAllocNumber );
+
+private:
+    TBool iHeapWalkInitialised;
+    TInt iWalkHeapCellIndex;
+    RMemSpyDriverRHeapUser iWalkHeap;
+	RArray< TMemSpyDriverInternalWalkHeapParamsCell > iWalkHeapCells;
+    TMemSpyDriverInternalWalkHeapParamsInit iHeapWalkInitialParameters;
+
+private:
+    friend class TMemSpyDriverLogChanHeapWalkObserver;
+	};
+
+
+class TMemSpyDriverLogChanHeapWalkObserver : public MMemSpyHeapWalkerObserver
+    {
+public:
+    inline TMemSpyDriverLogChanHeapWalkObserver( DMemSpyDriverLogChanHeapWalkUser& aChannel )
+        : iChannel( aChannel )
+        {
+        }
+
+public: // From MHeapWalkerObserver
+    void HandleHeapWalkInit() { }
+    TBool HandleHeapCell(TMemSpyDriverCellType aCellType, TAny* aCellAddress, TInt aLength, TInt aNestingLevel, TInt aAllocNumber )
+        {
+        return iChannel.WalkerHandleHeapCell( aCellType, aCellAddress, aLength, aNestingLevel, aAllocNumber );
+        }
+
+private:
+    DMemSpyDriverLogChanHeapWalkUser& iChannel;
+    };
+
+
+
+#endif