1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/security/cryptomgmtlibs/securitycommonutils/inc/ipcbuf.h	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,61 @@
     1.4 +/*
     1.5 +* Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).
     1.6 +* All rights reserved.
     1.7 +* This component and the accompanying materials are made available
     1.8 +* under the terms of the License "Eclipse Public License v1.0"
     1.9 +* which accompanies this distribution, and is available
    1.10 +* at the URL "http://www.eclipse.org/legal/epl-v10.html".
    1.11 +*
    1.12 +* Initial Contributors:
    1.13 +* Nokia Corporation - initial contribution.
    1.14 +*
    1.15 +* Contributors:
    1.16 +*
    1.17 +* Description: 
    1.18 +* Library to add s32strm support for IPC (ie. stream via multiple IPC read/writes instead of
    1.19 +* copying to a buffer and streaming to/from there.
    1.20 +*
    1.21 +*/
    1.22 +
    1.23 +
    1.24 +/**
    1.25 + @file
    1.26 + @internalTechnology
    1.27 + @released
    1.28 +*/
    1.29 +#ifndef __IPCBUF_H__
    1.30 +#define __IPCBUF_H__
    1.31 +
    1.32 +#include <e32base.h>
    1.33 +#include <s32buf.h>
    1.34 +
    1.35 +_LIT(KIpcBufPanic, "IpcBuf");
    1.36 +
    1.37 +class RIpcBuf : public MStreamBuf
    1.38 +	{
    1.39 +public:
    1.40 +IMPORT_C void Open(const RMessagePtr2& aMessage, TInt aMessageSlot);
    1.41 +	
    1.42 +protected:
    1.43 +IMPORT_C TStreamPos DoSeekL(TMark aMark, TStreamLocation aLocation, TInt anOffset);
    1.44 +
    1.45 +IMPORT_C TInt DoReadL(TAny *aPtr, TInt aMaxLength);
    1.46 +IMPORT_C void DoWriteL(const TAny* aPtr,TInt aLength);
    1.47 +	
    1.48 +private:
    1.49 +	enum TIpcBufPanic
    1.50 +		{
    1.51 +		EIpcBufSeekUnknownLocation,
    1.52 +		EIpcBufSeekBadOffset
    1.53 +		};
    1.54 +	
    1.55 +private:
    1.56 +	TInt iReadPos;
    1.57 +	TInt iWritePos;
    1.58 +	RMessagePtr2 iMessage;
    1.59 +	TInt iMessageSlot;
    1.60 +	};
    1.61 +
    1.62 +
    1.63 +
    1.64 +#endif /* __IPCBUF_H__ */