--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/vpnengine/ikev1lib/inc/ikev1nokianattkeepalive.h	Thu Dec 17 09:14:51 2009 +0200
@@ -0,0 +1,84 @@
+/*
+* Copyright (c) 2007-2009 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:  Keepalive object for Nokia IPsec over NAT
+*
+*/
+
+
+#ifndef C_IKEV1NOKIANATTKEEPALIVE_H
+#define C_IKEV1NOKIANATTKEEPALIVE_H
+
+#include <in_sock.h> // TInetAddr
+
+class CIkev1PluginSession;
+class MIkeDebug;
+
+/**
+ * Nokia IPsec over NAT keepalive object. Sends
+ * UDP packets to specified host with specified
+ * interval to keep NAT mapping alive. Constructing
+ * the object starts sending and sending is stopped
+ * when destruction happens.
+ * @internalComponent
+ */
+NONSHARABLE_CLASS(CIkev1NokiaNattKeepAlive) : public CBase
+	{
+	
+public: // Public constructor and destructor
+	static CIkev1NokiaNattKeepAlive* NewL( CIkev1PluginSession&  aPluginSession, 
+			                          TInetAddr& aDestAddr,
+			                          TUint16 aPort,
+			                          TUint aInterval,
+			                          MIkeDebug& aDebug );
+	virtual ~CIkev1NokiaNattKeepAlive();
+
+private: // Private constructors
+
+	CIkev1NokiaNattKeepAlive( CIkev1PluginSession&  aPluginSession,
+	                          TInetAddr& aDestAddr, 
+	                          TUint16 aPort,
+	                          MIkeDebug& aDebug );
+	void ConstructL( TUint aInterval );
+	
+private:
+	
+	/**
+	 * Send
+	 * Sends keepalive packet
+	 */
+	void Send();
+
+	/**
+	 * PeriodicCallback
+	 * Callback function which is called everytime
+	 * the interval is reached.
+	 */
+	static TInt PeriodicCallback(TAny *aPtr);
+
+private:
+    CIkev1PluginSession&  iPluginSession;
+
+	TInetAddr iDestAddr;
+	TUint iPort;
+	
+	/** Data to send in keepalive packet */
+	TBuf8<1> iMsg;
+	
+	CPeriodic *iTimer;
+	
+	MIkeDebug& iDebug;
+	
+	};
+
+#endif // C_IKEV1NOKIANATTKEEPALIVE_H