sl@0: // Copyright (c) 1998-2009 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 "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: //
sl@0: 
sl@0: #include <s32crypt.h>
sl@0: #include "U32STD.H"
sl@0: 
sl@0: class TCachePage
sl@0: 	{
sl@0: public:
sl@0: 	inline TDblQueLink& Link();
sl@0: 	inline void Deque();
sl@0: 	inline TBool IsQued() const;
sl@0: 	inline void Reque(TDblQue<TCachePage>& aQue);
sl@0: private:
sl@0: 	inline const TDblQueLinkBase& Link() const;
sl@0: public:
sl@0: 	TDblQueLink iLink;
sl@0: 	TCachePagePool* iOwner;
sl@0: 	TPageRef iRef;
sl@0: 	TPageChange iChange;
sl@0: 	};
sl@0: //
sl@0: class StorePagePool
sl@0: 	{
sl@0: public:
sl@0: 	static TPageRef ExtendL(RStorePagePool& aPool,const TAny* aPage,TPageReclamation aReclamation,const CPBEncryptionBase* aKey=NULL);
sl@0: 	static void WriteL(RStorePagePool& aPool,TPageRef aRef,const TAny* aPage,TPageChange aChange,const CPBEncryptionBase* aKey=NULL);
sl@0: 	static void ReadL(RStorePagePool& aPool,TPageRef aRef,TAny* aPage,const CPBEncryptionBase* aKey=NULL);
sl@0: 	static void DeleteL(RStorePagePool& aPool,TPageRef aRef,const CPBEncryptionBase* aKey=NULL);
sl@0: private:
sl@0: 	static void PadL(RWriteStream& aStream,TInt aLength);
sl@0: 	static void EncryptL(RWriteStream& aStream,const TAny* aPage,const CPBEncryptionBase& aKey);
sl@0: 	static void EncryptNewL(RWriteStream& aStream,const TAny* aPage,const CPBEncryptionBase& aKey);
sl@0: 	static void DecryptL(RReadStream& aStream,TAny* aPage,const CPBEncryptionBase& aKey);
sl@0: 	static void SeekL(MStreamBuf* aBuf,TInt aMark,TPageRef aRef,const CPBEncryptionBase* aKey);
sl@0: 	};
sl@0: //
sl@0: enum TPagePanic
sl@0: 	{
sl@0: 	EPageNotOpen,
sl@0: 	EPageChangeInvalid,
sl@0: 	EPageDoubleLock,
sl@0: 	EPageNotLocked,
sl@0: 	EPageCacheInUse,
sl@0: 	EPageCacheFull,
sl@0: 	EPageReclaimAvailable,
sl@0: 	EPageCipherTextOverrun,
sl@0: 	ECryptKeyUninitialised,
sl@0: 	EPageBadKeyType
sl@0: 	};
sl@0: 
sl@0: GLREF_C void Panic(TPagePanic aPanic);
sl@0: 
sl@0: #include "UP_STD.INL"
sl@0: