--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/vpnengine/ikev1lib/inc/ikev1keepalive.h	Thu Dec 17 09:14:51 2009 +0200
@@ -0,0 +1,96 @@
+/*
+* Copyright (c) 2005-2007 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:  IKEv1 keep alive object
+*
+*/
+
+
+#ifndef C_IKEV1KEEPALIVE_H
+#define C_IKEV1KEEPALIVE_H
+
+#include <in_sock.h> // TInetAddr
+
+class CIkev1PluginSession;
+class CEchoSender;
+
+/** 
+* IKE keepalive event handler
+* @internalComponent
+*/
+class MDpdHeartBeatEventHandler
+{
+	public:
+		/** 
+         * IKE PKI service operation completed 
+         * @internalComponent
+         * @param aStatus completion status of operation
+         * @param aObject pointer to CIkePkiService object
+         * 
+         */
+		virtual void EventHandlerL()=0; 
+};
+
+
+NONSHARABLE_CLASS(CIkeV1KeepAlive) : public CTimer
+{
+	public:
+		static CIkeV1KeepAlive* NewL( CIkev1PluginSession& aPluginSession,
+		                              TInt aPort,
+		                              TInetAddr& aDestAddr, 
+		                              TInt NatKeepAlive,
+		                              TInt DpdKeepAlive,
+		                              MDpdHeartBeatEventHandler* aHandler,
+		                              TUint8 aDscp = 0 );
+		~CIkeV1KeepAlive();
+
+	protected:
+	//
+	// CActive methods
+	//
+		void DoCancel();
+		void RunL();
+		TInt RunError(TInt aError);
+
+	private: // implementation
+	    CIkeV1KeepAlive( CIkev1PluginSession& aPluginSession,
+	                     TInt aPort,
+	                     TInetAddr& aDestAddr, 
+	                     TInt NatKeepAlive,
+	                     TInt DpdKeepAlive, 
+	                     MDpdHeartBeatEventHandler* aHandler,
+	                     TUint8 aDscp );
+		void ConstructL();		
+		void StartTimer();
+
+	private: // data
+		MDpdHeartBeatEventHandler* iCallback;
+		CIkev1PluginSession&       iPluginSession;
+		
+		TInt                       iPort;
+
+	    /** Data to send in keepalive packet */
+	    TBuf8<1>                   iMsg;		
+
+		TInt                       iNatKeepAlive;
+		TInt                       iDpdKeepAlive;
+
+		TInt                       iCurrDPDTimeLeft;
+		TInt                       iRemainingTime;
+
+		TInetAddr                  iDestAddr; 
+		
+		TUint8                     iDscp;
+};
+
+#endif // C_IKEV1KEEPALIVE_H