/*

* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

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

* which accompanies this distribution, and is available

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

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:  Events for socket

*

*/

#ifndef MSOCKETOBSERVER_H

#define MSOCKETOBSERVER_H

//  INCLUDES

#include <e32def.h>

#include <es_sock.h>

// FORWARD DECLARATIONS

class MSocket;

class CSocket;

// CLASS DECLARATION

/**

*  Events for socket.

*/

NONSHARABLE_CLASS( MSocketObserver )

    {

    // Abstract functions

    public:

        /**

        * Data has been received.

        * @param aSocket MSocket where the data received from.

        * @param aData Received data.

        */

        virtual void DataReceivedL(

            const MSocket* aSocket, const TDesC8& aData ) = 0;

        /**

        * Error occurred in socket.

        * @param aSocket MSocket object that caused error.

        * @param aErrorCode Error code.

        */

        virtual void ErrorL( const MSocket* aSocket, TInt aErrorCode ) = 0;

        /**

        * Socket disconnected.

        * @param aSocket Socket that disconnected.

        */

        virtual void DisconnectedL( const MSocket* aSocket ) = 0;

        /**

        * Notifies that the observer has leaved while executing the callback

        * function.

        * @param aSocket Socket that caused the leave.

        * @param aLeaveCode Leave code.

        */

        virtual void ObserverLeaved(

            const MSocket* aSocket, TInt aLeaveCode ) = 0;

    };

#endif      // MSOCKETOBSERVER_H

// End of File