sl@0: // Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: // All rights reserved.
sl@0: // This component and the accompanying materials are made available
sl@0: // under the terms of the License "Eclipse Public License v1.0"
sl@0: // which accompanies this distribution, and is available
sl@0: // at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: //
sl@0: // Initial Contributors:
sl@0: // Nokia Corporation - initial contribution.
sl@0: //
sl@0: // Contributors:
sl@0: //
sl@0: // Description:
sl@0: // e32test/debug/d_eventtracker.h
sl@0: // 
sl@0: //
sl@0: 
sl@0: #ifndef __D_EVENTTRACKER_H__
sl@0: #define __D_EVENTTRACKER_H__
sl@0: 
sl@0: #include "platform.h"
sl@0: 
sl@0: 
sl@0: /** Base class for representing objects being tracked.  */
sl@0: 
sl@0: class TTrackedItem
sl@0: 	{
sl@0: public:
sl@0: 	TTrackedItem(const DBase* aObject);
sl@0: 	
sl@0: public:
sl@0: 	SDblQueLink iLink;
sl@0: 	const DBase* const iObject; 		// key
sl@0: 	TBool iAccountedFor;
sl@0: 	};
sl@0: 
sl@0: /** Subclass for representing DObjects being tracked.  */
sl@0: 
sl@0: class TTrackedObject : public TTrackedItem
sl@0: 	{
sl@0: public:
sl@0: 	TTrackedObject(DObject* aObject, TObjectType aType);
sl@0: 	TBool CheckIntegrity(const TDesC& aName, TObjectType aType) const;
sl@0: 
sl@0: public:
sl@0: 	TFullName iFullName;
sl@0: 	const TObjectType iType;
sl@0: 	};
sl@0: 
sl@0: /** Subclass for representing DCodeSegs being tracked.  */
sl@0: 
sl@0: class TTrackedCodeSeg : public TTrackedItem
sl@0: 	{
sl@0: public:
sl@0: 	TTrackedCodeSeg(const DCodeSeg* aCodeSeg);
sl@0: 	TBool CheckIntegrity(TInt aAccessCount) const;
sl@0: 
sl@0: public:
sl@0: 	TInt iAccessCount;
sl@0: 	};
sl@0: 
sl@0: 
sl@0: /** Event handler and container for all objects being tracked.  */
sl@0: 
sl@0: class DEventTracker : public DKernelEventHandler
sl@0: 	{
sl@0: public:
sl@0: 	DEventTracker();
sl@0: 	TInt Create(DLogicalDevice* aDevice, TBool aUseHook);
sl@0: 	~DEventTracker();
sl@0: 	TInt Start();
sl@0: 	TInt Stop();
sl@0: 
sl@0: private:
sl@0: 	static TUint EventHandler(TKernelEvent aEvent, TAny* a1, TAny* a2, TAny* aThis);
sl@0: 	TUint HandleEvent(TKernelEvent aType, TAny* a1, TAny* a2);
sl@0: 	TInt AddExistingObjects();
sl@0: 	TInt AddObjectsFromContainer(TObjectType aType);
sl@0: 	TInt AddCodeSegsFromList();
sl@0: 	TInt CheckIntegrity();
sl@0: 	void CheckContainerIntegrity(TObjectType aType);
sl@0: 	void CheckCodeSegListIntegrity();
sl@0: 	void CheckAllAccountedFor();
sl@0: 
sl@0: 	TTrackedItem* LookupItem(DBase* aItem) const;
sl@0: 
sl@0: 	void AddObject(TObjectType aType, DObject* aObject);
sl@0: 	void RemoveObject(TObjectType aType, DObject* aObject);
sl@0: 	void UpdateObject(TObjectType aType, DObject* aObject, TBool aMustBeRenamed);
sl@0: 	void AddCodeSeg(DCodeSeg* aCodeSeg, DProcess* aProcess);
sl@0: 	void RemoveCodeSeg(DCodeSeg* aCodeSeg, DProcess* aProcess);
sl@0: 	void ProcessLoaded(DProcess* aProcess);
sl@0: 
sl@0: 	void StopTracking();
sl@0: 	void DumpCounters() const;
sl@0: 
sl@0: 	static void BranchToEventHandler();
sl@0: 	static TUint BreakPointSize();
sl@0: 
sl@0: 	// Dummy handler to be copied into RAM
sl@0: 	static TUint DummyHandler(TKernelEvent aEvent, TAny* a1, TAny* a2);
sl@0: 
sl@0: 	// Size of dummy handler
sl@0: 	static TUint DummyHandlerSize();
sl@0: 
sl@0: 	// Copy the default handler
sl@0: 	static void CopyDummyHandler(TLinAddr aLinAddr);
sl@0: 
sl@0: private:
sl@0: 	/** Lock serialising calls to event handler */
sl@0: 	DMutex* iLock;
sl@0: 	TBool iTracking;
sl@0: 	/** Tracking list (of TTrackedItem).
sl@0: 		Must be accessed only when tracking is disabled or with iLock held.
sl@0: 		Object addresses are used as keys and so must be unique.
sl@0: 	 */
sl@0: 	SDblQue iItems;
sl@0: 	TInt iOOM;
sl@0: 	TInt iErrorCount;
sl@0: 	TInt iCounters[EEventLimit];
sl@0: 	DLogicalDevice* iDevice;	// open reference to LDD for avoiding lifetime issues
sl@0: 	};
sl@0: 
sl@0: GLREF_D DEventTracker* TheEventTracker;
sl@0: 
sl@0: #endif // __D_EVENTTRACKER_H__