diff -r 185201be11b0 -r 516af714ebb4 perfsrv/memspy/Driver/Kernel/Include/MemSpyDriverPAndS.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/perfsrv/memspy/Driver/Kernel/Include/MemSpyDriverPAndS.h Fri Sep 17 08:38:31 2010 +0300 @@ -0,0 +1,113 @@ +/* +* 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 MEMSPYDRIVERPANDS_H +#define MEMSPYDRIVERPANDS_H + +// System includes +#include +#include +#include +#include + +// User includes +#include "MemSpyDriverLog.h" +#include + + +/** + * Spoof TProperty, the kernel-side object that encapsulates all P&S keys + */ +class TMemSpyProperty + { +public: + // The property attributes. + // Meaningful for defined properties only (ie. iType != RProperty::ETypeLimit) + // Constant while the property is defined + inline TUint32 Owner() { return iOwner; } + +public: + const TUint iCategory; + const TUint iKey; + +public: + // iType == RProperty::ETypeLimit means not defined + TUint8 iType; // updates require the system lock AND the feature lock + // reads require only one of them + // The property attributes. + // Meaningful for defined properties only (ie. iType != RProperty::ETypeLimit) + // Constant while the property is defined + TUint8 iAttr; + TCompiledSecurityPolicy iReadPolicy; + TCompiledSecurityPolicy iWritePolicy; + TUint32 iOwner; + + TUint iRefCount; // protected by the feature lock + TProperty* iNext; // hash table collision list link - + // protected by the feature lock + + class TBuf + { // Viraiable-size buffer for byte array property values + public: + static TBuf* New(TInt aSize); + + TUint16 iBufSize; // buffer size - constant + TUint16 iSize; // actual property size - protected by the system lock + TUint8 iBytes[1]; // byte array - protected by the system lock + }; + + // The property value + // Meaningful for defined properties only (ie. iType != RProperty::ETypeLimit) + union // the value (ie. iValue or iBuf->iBytes) is protected by the system lock + { + TBuf* iBuf; // pointer updates of a defined property (eg. buffer + // reallocation) require the system AND the feature locks; + // pointer reads (eg to get/set byte values) require any of them + TInt iValue; + }; + + // Called with system or feature locked + TInt Size() + { + return iBuf ? iBuf->iSize : 0; + } + + // Called with system or feature locked + TUint8* Buf() + { + return iBuf ? iBuf->iBytes : NULL; + } + + SDblQue iPendingQue; // pending subscriptions - protected by the system lock + }; + + + +/** + * Spoof of DPropertyRef - the kernel-side object that represents user-side P&S property keys + */ +class DMemSpyPropertyRef : public DObject + { +public: + TMemSpyProperty* iProp; + TRequestStatus* iStatus; + DThread* iClient; + TPropertySubsRequest iSubs; + }; + + +#endif