/*+
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* Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies).+
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* All rights reserved.+
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* This component and the accompanying materials are made available+
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* under the terms of "Eclipse Public License v1.0"+
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* which accompanies this distribution, and is available+
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".+
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*+
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* Initial Contributors:+
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* Nokia Corporation - initial contribution.+
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*+
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* Contributors:+
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*+
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* Description: +
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*+
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*/+
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+
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#ifndef CUDPCRLFSENDER_H+
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#define CUDPCRLFSENDER_H+
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+
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//  INCLUDES+
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#include "ccrlfsender.h"+
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#include "nattraversalsocketuser.h"+
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+
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// FORWARD DECLARATIONS+
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class MNATTraversalSocketManager;+
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+
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// CLASS DECLARATION+
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/**+
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* A class for sending CRLF bursts to network using UDP socket.+
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*/+
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class CUdpCRLFSender :+
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    public CCRLFSender,+
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    public MNATTraversalSocketUser+
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    {+
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    public:    // Constructors and destructor+
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+
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        CUdpCRLFSender(+
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            RSocket& aSocket,+
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            const TInetAddr& aAddr,+
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            MNATBindingRefresherObserver& aObserver,+
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            MNATTraversalSocketManager& aSocketManager );+
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+
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        ~CUdpCRLFSender();+
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+
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    public: // From CCRLFSender+
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+
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        TBool PersistentConnectionRequired() const;+
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+
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        TBool HasSocket( const RSocket& aSocket ) const;+
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+
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    public: // From MNATTraversalSocketUser+
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+
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        const RSocket& Socket() const;+
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+
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        void SendingAllowed();+
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+
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        TBool IsSending() const;+
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+
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        void CancelSending();+
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+
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    protected: // From CActive+
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+
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        void DoCancel();+
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+
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    protected: // From CCRLFSender+
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+
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        void Send( const TDesC8& aData );+
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+
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        TBool ReadyToSend();+
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+
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        void SendingCompleted();+
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+
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    private: // Data+
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+
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        RSocket& iSocket;+
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        TInetAddr iAddr;+
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        MNATTraversalSocketManager& iSocketManager;+
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        TBool iAllowedToSend;+
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    };+
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+
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#endif // CUDPCRLFSENDER_H+
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+
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// End of File+
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