--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/linklayerprotocols/pppnif/INC/PPPCOMP.H	Tue Jan 26 15:23:49 2010 +0200
@@ -0,0 +1,55 @@
+// Copyright (c) 1997-2009 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:
+//
+
+/**
+ @file
+ @internalTechnology 
+*/
+
+#ifndef __PPPCOMP_H__
+#define __PPPCOMP_H__
+
+#include <es_mbuf.h>
+
+// Return value from call to compress module
+enum TPppCompressReturnValue
+	{ EPppCompressedOK, EPppCompressedNotOK, EPppCompressedFrameExpanded };
+
+class CNifFactory;
+class CPppCompressor : public CObject
+	{
+public:
+	CPppCompressor(){};
+	virtual ~CPppCompressor(){};
+
+	virtual TPppCompressReturnValue Compress(RMBufChain& aPacket, TUint16 aPppId)=0;
+	virtual TBool ResetCompressor(TInt aLength, RMBufChain& aPacket)=0;
+protected:
+	CNifFactory*	iFactory;
+	};
+
+class CPppDeCompressor : public CObject
+	{
+public:
+	virtual TBool Decompress(RMBufQ& aBufferQ)=0;
+	virtual void ResetDecompressor(TInt aLength, RMBufChain& aPacket)=0;
+
+	CPppDeCompressor(){};
+	virtual ~CPppDeCompressor(){};
+protected:
+	CNifFactory*	iFactory;
+	};
+
+#endif //__PPPCOMP_H__