--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/applayerprotocols/telnetengine/SRC/IOBUFFER.H	Tue Feb 02 01:09:52 2010 +0200
@@ -0,0 +1,91 @@
+/**
+* Copyright (c) 2003-2009 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:
+* Buffer class declarations
+* Contains I/O Buffer class declaration
+* 
+*
+*/
+
+
+
+/**
+ @file Iobuffer.h
+ @internalComponent 
+*/
+
+#ifndef __IO_BUFFERS_H
+#define __IO_BUFFERS_H
+
+#include <telsess.h>
+
+class MIONotifier
+/**
+@internalComponent
+*/
+	{
+public:
+	
+	virtual void WriteComplete() = 0;
+	virtual void WriteError(TInt aError) = 0;
+	virtual void ReadComplete(TInt aError) = 0;
+	virtual void ReadCompleteL() = 0;
+	virtual void Event(TInt aEvent,TInt aEventCode) = 0;
+	};
+
+class CActiveWriter;
+class CActiveReader;
+
+NONSHARABLE_CLASS(CIOBufferControl) : public CBase , public MIONotifier
+/**
+@internalComponent
+*/
+	{ 
+public:
+	CIOBufferControl();
+	~CIOBufferControl();
+
+	static CIOBufferControl* NewL(MIONotifier* aNotifier);
+	void ConstructL(MIONotifier* aNotifier);
+	TInt WriteUrgent(HBufC8* aBuffer);
+	
+	TInt Write(HBufC8* aBuffer);
+	TInt Read(TDes8& aBuffer);
+	void SetWriter(CActiveWriter* aWriter);
+	void SetReader(CActiveReader* aReader);
+
+	void Reset();
+
+	// MIONotifier
+	void WriteComplete();
+	void WriteError(TInt aError);
+	void ReadCompleteL();
+	void ReadComplete(TInt aError);
+	void Event(TInt aEvent,TInt aEventCode);
+
+public:
+
+private:
+	CActiveWriter*								iWriter;
+	CActiveReader*								iReader;
+	MIONotifier*								iNotifier;
+
+	HBufC8*										iWriteBuffers[2];
+	TInt iLiveIndex;
+	TInt iQueueIndex;
+	HBufC8*										iUrgent;
+
+	};
+
+#endif