persistentstorage/sql/SRC/Server/IPC/IPCStream.h
changeset 0 08ec8eefde2f
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/persistentstorage/sql/SRC/Server/IPC/IPCStream.h	Fri Jan 22 11:06:30 2010 +0200
@@ -0,0 +1,74 @@
+// Copyright (c) 2005-2009 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 __IPCSTREAM_H__
+#define __IPCSTREAM_H__
+
+#include <s32mem.h>
+#include "IpcDefs.h"
+
+/**
+IPC, server-side class.
+
+HIpcStream class is part of the server-side IPC framework, used for transferring large blocks of 
+data to/from the client side.
+
+@internalComponent
+*/
+NONSHARABLE_CLASS(HIpcStream)
+	{
+public:
+	inline HIpcStream(MStreamBuf* aHost, TInt aReadPos);
+	~HIpcStream();
+
+	TInt ReadL(const RMessage2& aMessage);	
+	void WriteL(const RMessage2& aMessage);	
+	inline TInt SizeL();
+	void SynchL();
+	
+private:
+	MStreamBuf& 			iHost;
+	TInt 					iRPos;
+	TInt 					iWPos;
+	
+	};
+
+/**
+IPC, server-side class.
+
+HIpcReadBuf class is part of the server-side IPC framework, used for transferring large blocks of 
+data to the client side.
+
+The difference between HIpcReadBuf and HIpcBufBuf is that HIpcReadBuf does not allocate memory for
+the data. It keeps just a pointer to the data which needs to be sent to the client side.
+
+@see HIpcStream
+
+@internalComponent
+*/
+NONSHARABLE_CLASS(HIpcReadBuf) : public TMemBuf
+	{
+public:
+	inline static HIpcReadBuf* NewL(const TDesC8& aDes);
+	
+private:
+	inline HIpcReadBuf(const TDesC8& aDes);
+	virtual void DoRelease();
+	
+	};
+
+#include "IPCStream.inl"
+
+#endif//__IPCSTREAM_H__