--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tcpiputils/dhcp/include/DHCPIP6MsgSender.h	Tue Jan 26 15:23:49 2010 +0200
@@ -0,0 +1,68 @@
+// 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:
+// DHCP IP6 Message sender header file
+// 
+//
+
+/**
+ @file DHCPIP6MsgSender.h
+*/
+
+#ifndef DHCPIP6MSGSENDER_H
+#define DHCPIP6MSGSENDER_H
+
+#include "MsgSender.h"
+
+const TInt KIP6RndMin = -KMicrosecondsInSecs / 1000;
+const TInt KIP6RndMax = KMicrosecondsInSecs / 1000;
+const TInt KIP6MaxSecs = 0xFF;
+
+class CDHCPIP6MessageSender : public CMessageSender
+	{
+public:
+	CDHCPIP6MessageSender( MMSListener* aMMSListener, RSocket& aSocket, TTime *aTaskStart, const TUint aFamily);
+
+   void SetListener( MMSListener* aMMSListener );
+   MMSListener* EventListener() const;
+   void SetMaxRetryTimeout( TInt aSeconds );
+   void SetMaxRetryCount( TInt aCount );
+   void SetMaxRetryDuration( TInt aSeconds );
+   void SetInitialRetryTimeout( TInt aSeconds );
+   void SetFirstSendDelay( TInt aSeconds );
+
+protected:
+   virtual TBool SendingContinues() const;
+   virtual TBool CalculateDelay();
+
+protected:
+   TDhcpRnd iXid;
+   //the following values are stored in microsecods
+   TInt iInitialRetryTimeout;  //initial timeout between two subsequent retransmission
+   TInt iMaxRetryTimeout;  //max timeout between two subsequent retransmission
+   TInt iMaxRetryCount;    //upper limit of the number of times to retransmit the message
+   TInt iMaxRetryDuration; //upper limit of the time to retransmit the message
+                           //if iMaxRetryDuration == MAX_INT than the retransmission ends
+                           //when RT > MRT || RC > MRC
+   TInt iFirstSendDelay;
+	};
+
+inline CDHCPIP6MessageSender::CDHCPIP6MessageSender( MMSListener* aMMSListener, RSocket& aSocket, TTime *aTaskStartedAtCopy, const TUint aFamily) :
+      CMessageSender( aMMSListener, aSocket, aTaskStartedAtCopy, aFamily ),
+      iMaxRetryTimeout( static_cast<TInt>(KWaitForResponseTime) ),
+      iMaxRetryCount( INT_MAX ),
+      iMaxRetryDuration( INT_MAX )
+      {
+      }
+
+#endif