/*

* 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:  IPProxy UDP protocol expression for a regular UDP message

*                connection.

*

*/

#ifndef CBPEXPRUDPMSG_H

#define CBPEXPRUDPMSG_H

//  INCLUDES

#include <e32base.h>

#include "MBPExpression.h"

// CONSTANTS

// FORWARD DECLARATIONS

class MExpressionObserver;

// CLASS DECLARATION

/**

*  UDP protocol expression for a regular UDP message

*  to phone side port

*/

NONSHARABLE_CLASS( CExprUDPMsg ) : public CBase, public MBPExpression

    {

    public:  // Constructors and destructor

        /**

        * Factory function.

        * @param aObserver Pointer to observer.

        * @return New CBPExpression instance.

        */

        static CExprUDPMsg* NewL( MExpressionObserver* aObserver );

        /**

        * Factory function.

        * @param aObserver Pointer to observer.

        * @return New CBPExpression instance.

        */

        static CExprUDPMsg* NewLC( MExpressionObserver* aObserver );

        /**

        * Destructor.

        */

        ~CExprUDPMsg();

    public: // from MBPExpression

        TBool HandleRecievedMsgL( TDes8& aData, TInt& aStartPos, TInt& aLength );

    public: // new functions

        TInt TryParsingL( TDes8& aData, TInt& aLength );

    private:

        /**

        * Default constructor.

        * @param aObserver Pointer to observer.

        */

        CExprUDPMsg( MExpressionObserver* aObserver );

    private:    // Data

        MExpressionObserver* iObserver;

    };

#endif      // CBPEXPRUDPMSG_H

// End of File