1 /*

     2 * Copyright (c) 2008 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:  Declares main application class.

    15  *

    16 */

    17 

    18 

    19 #ifndef __SOCKETOBSERVER_H__

    20 #define __SOCKETOBSERVER_H__

    21 

    22 /*!

    23  This class specifies the socket observer interface

    24  Used in conjunction with CSocketReader & CSocketWriter classes

    25  */

    26 class MSocketObserver

    27     {

    28 public:

    29     /*!

    30      Report a communication error.

    31      @param aSocketID socket being observed.

    32      @param aConnectionLost True if the error is a failure to read.

    33      @param aErrorCode associated error code.

    34      */

    35     virtual void HandleSocketError(TUint aSocketID, TBool aConnectionLost,

    36             TInt aErrorCode) = 0;

    37 

    38     /*!

    39      Data has been received on the socket and read into a buffer.

    40      @param aSocketID socket being observed.

    41      @param aBuffer the data buffer.

    42      @result ETrue to continue reading.

    43      @result EFalse to stop reading.

    44      */

    45     virtual TBool

    46             HandleDataReceived(TUint aSocketID, const TDesC8& aBuffer) = 0;

    47 

    48     /*!

    49      Data has been sent on the socket.

    50      @param aSocketID socket being observed

    51      */

    52     virtual void HandleWriteComplete(TUint aSocketID) = 0;

    53 

    54     };

    55 

    56 #endif // __SOCKETOBSERVER_H__