--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/sdkcreationmw/sdkruntimes/new_wsock_3pc/inc/winsockBinders.h	Wed Apr 21 10:32:25 2010 +0530
@@ -0,0 +1,127 @@
+// 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 the License "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:
+// tunnelnif.h 
+// 
+//
+
+/**
+ @file 
+ @internalComponent
+*/
+
+#ifndef WINSOCKBINDERS_H__
+#define WINSOCKBINDERS_H__
+
+#include <comms-infras/nifif.h>
+#include <in6_if.h>
+#include <eui_addr.h>	// TE64Addr
+#include <comms-infras/ss_flowbinders.h>
+#include <comms-infras/ss_nodemessages.h>
+#include "winsockflow.h"				// for CTunnelNcp::Info()
+
+using namespace ESock;
+
+const TInt KWinsockMtu = 1500;
+
+class CWinsockFlow;
+
+NONSHARABLE_CLASS(CWinsockNcp) : public CBase, public ESock::MLowerDataSender, public ESock::MLowerControl
+	{
+public:
+	// from MLowerControl
+	virtual TInt GetName(TDes& aName);
+	virtual TInt BlockFlow(ESock::MLowerControl::TBlockOption /*aOption*/);
+
+	// from MLowerDataSender
+	virtual ESock::MLowerDataSender::TSendResult Send(RMBufChain& aPdu);
+
+	// Utility functions called from CTunnelFlow
+	ESock::MLowerDataSender* Bind(ESock::MUpperDataReceiver* aUpperReceiver, ESock::MUpperControl* aUpperControl);
+	void Unbind(ESock::MUpperDataReceiver* aUpperReceiver, ESock::MUpperControl* aUpperControl);
+	TBool MatchesUpperControl(const ESock::MUpperControl* aUpperControl);
+	void StartSending();
+
+protected:
+	CWinsockNcp(CWinsockFlow& aFlow);
+	inline const TWinsockInfo* Info();
+
+protected:
+    CWinsockFlow* iFlow;
+	
+    TInetAddr iNameSer1;
+	TInetAddr iNameSer2;
+
+	ESock::MUpperControl* iUpperControl;
+	ESock::MUpperDataReceiver* iUpperReceiver;
+	};
+
+// ======================================================================================
+
+NONSHARABLE_CLASS(CWinsockNcp4) : public CWinsockNcp
+	{
+public:
+	static CWinsockNcp4* ConstructL(CWinsockFlow& aLink);
+
+	// from MLowerDataSender
+	virtual TInt GetConfig(TBinderConfig& aConfig);
+	virtual TInt Control(TUint, TUint, TDes8&);
+	//
+
+	virtual TInt Notification(TWinsockAgentMessage::TTunnelSetAddress& aMessage);
+
+private:
+    CWinsockNcp4(CWinsockFlow& aLink);
+
+	TUint32 iLocalAddress;
+	};
+
+// ======================================================================================
+
+NONSHARABLE_CLASS(CWinsockNcp6) : public CWinsockNcp
+	{
+public:
+	static CWinsockNcp6* ConstructL(CWinsockFlow& aLink);
+
+	// from MLowerDataSender
+	virtual TInt GetConfig(TBinderConfig& aConfig);
+	virtual TInt Control(TUint, TUint, TDes8&);
+	//
+
+	virtual TInt Notification(TWinsockAgentMessage::TTunnelSetAddress& aMessage);
+
+private:
+    CWinsockNcp6(CWinsockFlow& aLink);
+
+	TInetAddr iLocalAddress;
+	};
+
+// ======================================================================================
+
+class CWinsockNcpLog : public CBase
+	{
+public:
+	static void Write(const TDesC& aDes);
+	static void Printf(TRefByValue<const TDesC> aFmt, ...);
+	};
+
+//
+// Inline functions
+//
+
+inline const TWinsockInfo* CWinsockNcp::Info()
+	{
+	return iFlow->Info();
+	}
+
+#endif