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// Copyright (c) 1998-2009 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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#include <s32crypt.h>
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#include "U32STD.H"
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class TCachePage
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{
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public:
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inline TDblQueLink& Link();
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inline void Deque();
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inline TBool IsQued() const;
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inline void Reque(TDblQue<TCachePage>& aQue);
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private:
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inline const TDblQueLinkBase& Link() const;
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public:
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TDblQueLink iLink;
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TCachePagePool* iOwner;
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TPageRef iRef;
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TPageChange iChange;
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};
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//
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class StorePagePool
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{
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public:
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static TPageRef ExtendL(RStorePagePool& aPool,const TAny* aPage,TPageReclamation aReclamation,const CPBEncryptionBase* aKey=NULL);
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static void WriteL(RStorePagePool& aPool,TPageRef aRef,const TAny* aPage,TPageChange aChange,const CPBEncryptionBase* aKey=NULL);
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static void ReadL(RStorePagePool& aPool,TPageRef aRef,TAny* aPage,const CPBEncryptionBase* aKey=NULL);
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static void DeleteL(RStorePagePool& aPool,TPageRef aRef,const CPBEncryptionBase* aKey=NULL);
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private:
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static void PadL(RWriteStream& aStream,TInt aLength);
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static void EncryptL(RWriteStream& aStream,const TAny* aPage,const CPBEncryptionBase& aKey);
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static void EncryptNewL(RWriteStream& aStream,const TAny* aPage,const CPBEncryptionBase& aKey);
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static void DecryptL(RReadStream& aStream,TAny* aPage,const CPBEncryptionBase& aKey);
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static void SeekL(MStreamBuf* aBuf,TInt aMark,TPageRef aRef,const CPBEncryptionBase* aKey);
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};
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//
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enum TPagePanic
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{
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EPageNotOpen,
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EPageChangeInvalid,
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EPageDoubleLock,
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EPageNotLocked,
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EPageCacheInUse,
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EPageCacheFull,
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EPageReclaimAvailable,
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EPageCipherTextOverrun,
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ECryptKeyUninitialised,
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EPageBadKeyType
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};
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GLREF_C void Panic(TPagePanic aPanic);
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#include "UP_STD.INL"
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