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 CNATBINDINGSTUNANDCRLFREFRESHER_H

    19 #define CNATBINDINGSTUNANDCRLFREFRESHER_H

    20 

    21 //  INCLUDES

    22 #include "cnatbindingstunrefresher.h"

    23 #include "mnatbindingrefresherobserver.h"

    24 

    25 // FORWARD DECLARATIONS

    26 class CUdpCRLFSender;

    27 class MNATTraversalSocketManager;

    28 

    29 // CLASS DECLARATION

    30 /**

    31 * A class for STUN based NAT binding refresh.

    32 */

    33 class CNATBindingSTUNAndCRLFRefresher : public CNATBindingSTUNRefresher,

    34                                         public MNATBindingRefresherObserver

    35     {

    36     public:  // Constructors and destructor

    37 

    38         static CNATBindingSTUNAndCRLFRefresher* NewL(

    39             CDeltaTimer& aDeltaTimer,

    40             TInt aRefreshInterval,

    41             MNATBindingRefresherObserver& aObserver,

    42             CNATBinding& aNATBinding,

    43             RSocket& aSocket,

    44             const TInetAddr& aAddr,

    45             MNATTraversalSocketManager& aSocketManager );

    46 

    47         static CNATBindingSTUNAndCRLFRefresher* NewLC(

    48             CDeltaTimer& aDeltaTimer,

    49             TInt aRefreshInterval,

    50             MNATBindingRefresherObserver& aObserver,

    51             CNATBinding& aNATBinding,

    52             RSocket& aSocket,

    53             const TInetAddr& aAddr,

    54             MNATTraversalSocketManager& aSocketManager );

    55 

    56         ~CNATBindingSTUNAndCRLFRefresher();

    57 

    58     public: // From MNATBindingRefresherObserver

    59 

    60         void NATBindingRefreshComplete( TInt aCompletionCode );

    61 

    62     protected: // From CNATBindingRefresher

    63 

    64         void RefreshTimerExpiredL();

    65 

    66         void CancelRefresh();

    67 

    68     private: // Constructors

    69 

    70         CNATBindingSTUNAndCRLFRefresher(

    71             CDeltaTimer& aDeltaTimer,

    72             TInt aRefreshInterval,

    73             MNATBindingRefresherObserver& aObserver,

    74             CNATBinding& aNATBinding );

    75 

    76          void ConstructL(

    77             RSocket& aSocket,

    78             const TInetAddr& aAddr,

    79             MNATTraversalSocketManager& aSocketManager );

    80 

    81     private: // Data

    82 

    83         CUdpCRLFSender* iCRLFSender;

    84     };

    85 

    86 #endif // CNATBINDINGSTUNANDCRLFREFRESHER_H

    87 

    88 // End of File