--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/bluetooth/btstack/l2cap/l2capSigPacketEcho.h	Fri Jan 15 08:13:17 2010 +0200
@@ -0,0 +1,108 @@
+// Copyright (c) 2004-2009 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 L2CAPSIGPACKETECHO_H
+#define L2CAPSIGPACKETECHO_H
+
+#include "l2capCommand.h"
+
+// Interface class used when discovering the originator of the
+// Echo Request Command.
+class MEchoResponseHandler
+	{
+public:
+	virtual void EchoResponseReceived(const TDesC8* aData) = 0;
+	};
+	
+	
+NONSHARABLE_CLASS(HEchoRequest) : public HL2CapCommand
+	{
+public:
+	static HEchoRequest* New(RMBufChain& aData,
+		  	                 TUint8 aRTXTimerDuration = KDefaultRTXTimerDuration,
+	                         TUint16 aERTXTimerDuration = KDefaultERTXTimerDuration);
+	
+	static HEchoRequest* New(TUint8 aRTXTimerDuration = KDefaultRTXTimerDuration,
+	                         TUint16 aERTXTimerDuration = KDefaultERTXTimerDuration);
+	                         
+	static TInt NewCommandIfValid(RMBufChain& aBuffer, HL2CapCommand*& aCommand);
+
+	~HEchoRequest();
+
+	TBool ProcessCommand(CL2CapSignalHandler& aSignalHandler);
+
+	TInt GetData(RMBufChain& aData) const;
+
+	inline void SetEchoResponseHandler(MEchoResponseHandler& aHandler);
+	inline void RemoveEchoResponseHandler();
+	inline MEchoResponseHandler* EchoResponseHandler() const;
+
+public:
+	const static TUint8 KEchoRequestEmptyLength		= 4;
+
+private:
+	HEchoRequest(RMBufChain& aCommand,
+                 TUint8 aRTXTimerDuration = KDefaultRTXTimerDuration,
+	             TUint16 aERTXTimerDuration = KDefaultERTXTimerDuration);
+
+private:
+	const static TUint8 KDataOffset					= 4;
+
+private:		
+	MEchoResponseHandler* iEchoResponseHandler;
+	};
+
+
+inline void HEchoRequest::SetEchoResponseHandler(MEchoResponseHandler& aHandler)
+	{
+	iEchoResponseHandler = &aHandler;
+	}
+	
+inline void HEchoRequest::RemoveEchoResponseHandler()
+	{
+	// The echo response handler no longer wishes to be informed
+	// when the response arrives.
+	iEchoResponseHandler = NULL;
+	}
+
+inline MEchoResponseHandler* HEchoRequest::EchoResponseHandler() const
+	{
+	return iEchoResponseHandler;
+	}
+
+
+NONSHARABLE_CLASS(HEchoResponse) : public HL2CapCommand
+	{
+public:
+	static HEchoResponse* New(TUint8 aId);
+	static HEchoResponse* New(RMBufChain& aData, TUint8 aId);
+	static TInt NewCommandIfValid(RMBufChain& aBuffer, HL2CapCommand*& aCommand);
+
+	~HEchoResponse();
+
+	TBool ProcessCommand(CL2CapSignalHandler& aSignalHandler);
+
+	TInt GetData(RMBufChain& aData) const;
+
+private:
+	HEchoResponse(RMBufChain& aCommand);
+
+private:
+	const static TUint8 KEchoResponseEmptyLength	= 4;
+	const static TUint8 KDataOffset					= 4;
+	};
+
+#endif