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/*
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* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:
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*
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*/
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#ifndef MEMSPYINSPECTEDPROCESS_H
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#define MEMSPYINSPECTEDPROCESS_H
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// System includes
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#include <kern_priv.h>
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// Shared includes
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#include <memspy/driver/memspydriverobjectsshared.h>
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// User includes
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#include "MemSpyDriverUtils.h"
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#include "MemSpyDriverEventMonitor.h"
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// Classes referenced
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class DMemSpyInspectedProcessManager;
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class TMemSpyDriverProcessInspectionInfo;
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class TMemSpyTrackedChunk
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{
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public:
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enum TType
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{
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ETypeNotRelevant = -1,
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//
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ETypeChunkHeap = 0,
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ETypeChunkLocal,
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ETypeChunkGlobalData,
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ETypeChunkProcessGlobalDataAndUserStack,
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ETypeChunkShared
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};
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public:
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TMemSpyTrackedChunk( DChunk* aChunk, TType aType );
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public: // API
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void SetSize( TInt aSize );
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TInt Size() const { return iSize; }
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//
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void SetUnused( TBool aUnused );
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TBool Unused() const { return iUnused; }
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//
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TAny* Handle() const { return iChunk; }
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//
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inline TType Type() const { return iType; }
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inline void SetType( TType aType ) { iType = aType; }
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public: // Data members
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SDblQueLink iLink;
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DChunk* iChunk;
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TType iType;
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TInt iSize;
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TBool iUnused;
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};
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class TMemSpyTrackedChunkChangeInfo
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{
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public: // Data members
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TMemSpyDriverProcessInspectionInfo iInfo;
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SDblQueLink iLink;
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};
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NONSHARABLE_CLASS(DMemSpyInspectedProcess) : public DBase, public MMemSpyEventMonitorObserver
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{
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public: // Construct / destruct
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DMemSpyInspectedProcess( DMemSpyDriverDevice& aDevice );
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~DMemSpyInspectedProcess();
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public: // API
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TInt Open( DProcess* aProcess );
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inline TUint ProcessId() const { return iProcessId; }
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public: // Change notification API
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TInt NotifyOnChange( DThread* aThread, TRequestStatus* aRequestStatus, TMemSpyDriverProcessInspectionInfo* aInfo );
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TInt NotifyOnChangeCancel();
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TBool NotifyOnChangeQueued() const;
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public: // Queue link
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SDblQueLink iLink;
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public: // From MMemSpyEventMonitorObserver
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TUint EMTypeMask() const;
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void EMHandleProcessUpdated( DProcess& aProcess );
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void EMHandleProcessRemoved( DProcess& aProcess );
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void EMHandleThreadAdd( DThread& aThread );
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void EMHandleThreadRemoved( DThread& aThread );
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void EMHandleThreadKilled( DThread& aThread );
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void EMHandleChunkAdd( DChunk& aChunk );
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void EMHandleChunkUpdated( DChunk& aChunk );
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void EMHandleChunkDeleted( DChunk& aChunk );
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// Internal helper
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void EMHandleThreadChanged( DThread& aThread );
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private: // Tracked item management
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void ResetTrackedList();
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void SetTrackedListUnused();
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void SetTrackedListUnusedStatusByType( TMemSpyTrackedChunk::TType aType, TBool aUnusedStatus );
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void DiscardUnusedTrackListItems();
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void AddTrackedChunk( DChunk* aChunk, TMemSpyTrackedChunk::TType aType );
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TMemSpyTrackedChunk* TrackedChunkByHandle( TAny* aHandle );
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private: // Internal methods
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DMemSpyInspectedProcessManager& PManager();
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DMemSpyEventMonitor& EventMonitor();
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TMemSpyTrackedChunk::TType ChunkType( DObject* aObject ) const;
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TBool IsHeapChunk( DChunk& aChunk, const TName& aName ) const;
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static TUint32 TotalStatistics( const TMemSpyDriverProcessInspectionInfo& aStats, TBool aIncludeShared = ETrue );
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static TBool IsEqual( const TMemSpyDriverProcessInspectionInfo& aLeft, const TMemSpyDriverProcessInspectionInfo& aRight );
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void ResetStatistics( TMemSpyDriverProcessInspectionInfo& aStats );
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TBool UpdateStatistics();
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void CompleteClientsRequest( TInt aCompletionCode, TMemSpyDriverProcessInspectionInfo* aInfo = NULL );
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void FindChunks( DProcess& aProcess );
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TInt StackSize( DProcess& aProcess );
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void ResetPendingChanges();
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void PrintChunkInfo( DChunk& aChunk ) const;
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TBool IsChunkRelevantToOurProcess( DChunk& aChunk ) const;
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void Lock() const;
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void Unlock() const;
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public: // Queue link for process manager
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SDblQueLink iPMLink;
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private: // Data members
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DMemSpyDriverDevice& iDevice;
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DMutex* iLock;
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TUint iProcessId;
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DProcess* iProcess;
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TBool iAmDead;
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// This differs from the 'inspection info' iMemoryStack field
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// because it just contains the size of all user-thread stacks
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// within the process.
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TInt iUserThreadStackSize;
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// Tracking chunks mapped into process
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SDblQue iTrackedChunks;
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// Changes that have occurred whilst the client was AWOL
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SDblQue iPendingChanges;
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// Tracking totals
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TMemSpyDriverProcessInspectionInfo iInfoLast;
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TMemSpyDriverProcessInspectionInfo iInfoCurrent;
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TMemSpyDriverProcessInspectionInfo iInfoPeaks;
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TMemSpyDriverProcessInspectionInfo iInfoHWMIncShared;
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TMemSpyDriverProcessInspectionInfo iInfoHWMExcShared;
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// For change notification
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TInt iChangeDeliveryCounter;
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DThread* iChangeObserverThread;
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TRequestStatus* iChangeObserverRS;
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TMemSpyDriverProcessInspectionInfo* iChangeObserverInfo;
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TBool iEventReceivedWhilstObserverWasAWOL;
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};
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#endif
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