--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tcpiputils/dhcp/include/MsgSender.h	Tue Jan 26 15:23:49 2010 +0200
@@ -0,0 +1,101 @@
+// 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:
+// Message sender header file
+// 
+//
+
+/**
+ @file MsgSender.h
+*/
+
+#ifndef MSGSENDER_H
+#define MSGSENDER_H
+
+#include <e32base.h>
+#include <./libc/limits.h>
+#include "ExpireTimer.h"
+#include "DHCP_Std.h"
+
+class TInetAddr;
+class RSocket;
+
+const TInt KMicrosecondsInSecs = 1000000;
+
+class MMSListener
+/**
+  * Just a notification interface
+  *
+  * @internalTechnology
+  */
+	{
+public:
+	virtual TInt MSReportError(TInt aError) = 0;
+	};
+
+class CMessageSender : public CActive, public MExpireTimer
+	{
+public:
+	CMessageSender(MMSListener* aMMSListener, RSocket& aSocket, TTime *aTaskStartedAtCopy, const TUint aFamily);
+	virtual ~CMessageSender();
+
+	//if aRetransmitAfterMcSecs == 0 than just one transmition happens
+	void SendL(TInetAddr& aAddr, const TDesC8& aMsg, TTimeIntervalMicroSeconds aRetransmitAfterSecs, TInt aRetryCount);
+	void Cancel();
+   
+	//MExpireTimer virtuals
+	virtual void TimerExpired();
+	void SetTaskStartedTime(TTime aTaskStartedAtCopy);
+	const TUint GetFamilyType();
+
+protected:
+	virtual void DoCancel();
+	virtual void RunL();
+	virtual TInt RunError(TInt aError);
+
+protected:
+   virtual TBool SendingContinues() const;
+   virtual TBool CalculateDelay();
+
+   void StartTimerL();
+
+protected:
+	HBufC8* iMsg;
+	CExpireTimer* iExpireTimer;
+	TInetAddr iAddr;
+	RSocket& iSocket;
+	TTimeIntervalMicroSeconds32 iMicroSecs;
+	MMSListener* iMMSListener;
+   TInt iRetryCount; //counts how many times the message's been successfully sent
+   TInt iRetryDuration;
+   TInt iMaxRetryCount; //counts the max times the message has to be sent
+   TTime iTaskStartedAtCopy;
+	const TUint iFamily;
+	};
+
+inline CMessageSender::CMessageSender(MMSListener* aMMSListener,RSocket& aSocket, TTime *aTaskStartedAtCopy, const TUint aFamily) :
+      CActive(EPriorityStandard), iSocket(aSocket),iMMSListener(aMMSListener),iTaskStartedAtCopy(*aTaskStartedAtCopy),iFamily(aFamily)
+      {
+      }
+	  
+inline void CMessageSender::SetTaskStartedTime(TTime aTaskStartedAtCopy)
+     {
+     iTaskStartedAtCopy = aTaskStartedAtCopy;
+     }
+
+inline const TUint CMessageSender::GetFamilyType()
+     {
+     return iFamily;
+     }
+
+#endif