/*
* Copyright (c) 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:
*
*/
#ifndef CNATBINDINGCRLFREFRESHER_H
#define CNATBINDINGCRLFREFRESHER_H
// INCLUDES
#include "cnatbindingrefresher.h"
// FORWARD DECLARATIONS
class CCRLFSender;
// CLASS DECLARATION
/**
* A class for refreshing NAT bindings using CRLF bursts
* over connection oriented transports like TCP and TLS.
*/
class CNATBindingCRLFRefresher : public CNATBindingRefresher
{
public: // Constructors and destructor
CNATBindingCRLFRefresher(
CDeltaTimer& aDeltaTimer,
TInt aRefreshInterval,
MNATBindingRefresherObserver& aObserver,
CCRLFSender* aSender );
~CNATBindingCRLFRefresher();
public: // From CNATBindingRefresher
TBool PersistentConnectionRequired() const;
TBool HasSocket(const RSocket& aSocket) const;
TBool HasSocket(const CSecureSocket& aSocket) const;
protected: // From CNATBindingRefresher
TInt RefreshInterval();
void RefreshTimerExpiredL();
void CancelRefresh();
private: // Data
TInt iRefreshInterval;
CCRLFSender* iSender; // owned
};
#endif // CNATBINDINGCRLFREFRESHER_H
// End of File