1 /*

     2 * Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description: 

    15 *

    16 */

    17 

    18 #ifndef CNATBINDINGSTUNREFRESHER_H

    19 #define CNATBINDINGSTUNREFRESHER_H

    20 

    21 //  INCLUDES

    22 #include "cnatbindingrefresher.h"

    23 

    24 // FORWARD DECLARATIONS

    25 class CNATBinding;

    26 

    27 // CLASS DECLARATION

    28 /**

    29 * A class for STUN based NAT binding refresh.

    30 */

    31 class CNATBindingSTUNRefresher : public CNATBindingRefresher

    32     {

    33     public:  // Constructors and destructor

    34 

    35         CNATBindingSTUNRefresher(

    36             CDeltaTimer& aDeltaTimer,

    37             TInt aRefreshInterval,

    38             MNATBindingRefresherObserver& aObserver,

    39             CNATBinding& aNATBinding );

    40 

    41         ~CNATBindingSTUNRefresher();

    42 

    43     public: // From CNATBindingRefresher

    44 

    45         TBool HasSocket(const RSocket& aSocket) const;

    46 

    47     protected: // From CNATBindingRefresher

    48 

    49         TInt RefreshInterval();

    50 

    51         virtual void RefreshTimerExpiredL();

    52 

    53         virtual void CancelRefresh();

    54 

    55     protected: // Data

    56 

    57         CNATBinding& iNATBinding;

    58 

    59     private: // Data

    60 

    61         TInt iRefreshInterval;

    62         TInt64 iRandomSeed;

    63 

    64     friend class UT_CNATBindingSTUNRefresher;

    65     };

    66 

    67 #endif // CNATBINDINGSTUNREFRESHER_H

    68 

    69 // End of File