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 CCRLFSENDER_H

    19 #define CCRLFSENDER_H

    20 

    21 //  INCLUDES

    22 #include <e32base.h>

    23 #include <es_sock.h>

    24 #include <securesocket.h>

    25 

    26 // FORWARD DECLARATIONS

    27 class MNATBindingRefresherObserver;

    28 

    29 

    30 // CLASS DECLARATION

    31 /**

    32 * A base class for sending CRLF bursts to network.

    33 */

    34 class CCRLFSender : public CActive

    35     {

    36     public:    // Constructors and destructor

    37 

    38         virtual ~CCRLFSender();

    39 

    40     public: // New functions

    41 

    42         virtual TBool PersistentConnectionRequired() const;

    43 

    44         virtual TBool HasSocket( const RSocket& aSocket ) const;

    45 

    46         virtual TBool HasSocket( const CSecureSocket& aSocket ) const;

    47 

    48         void Send();

    49 

    50     private: // From CActive

    51 

    52         void RunL();

    53 

    54     protected: // Constructors

    55 

    56         CCRLFSender( MNATBindingRefresherObserver& aObserver );

    57 

    58     protected: // New functions

    59 

    60         virtual void Send( const TDesC8& aData ) = 0;

    61 

    62         virtual TBool ReadyToSend();

    63 

    64         virtual void SendingCompleted();

    65 

    66     protected: // Data

    67 

    68         MNATBindingRefresherObserver& iObserver;

    69     };

    70 

    71 #endif // CCRLFSENDER_H

    72 

    73 // End of File