/*

* 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:  Local TCP connection for emulator testing

*

*/

#ifndef CLOCALTCPCONNECTION_H

#define CLOCALTCPCONNECTION_H

//  INCLUDES

#include <e32base.h>

#include <es_sock.h>

#include <in_sock.h>

// DATA TYPES

enum TLocalTCPConnState

    {

    ELTCStateDisconnected = 0,

    ELTCStateConnecting,

    ELTCStateConnected,

    ELTCStateDisconnecting

    };

// FORWARD DECLARATIONS

class MLocalTCPConnectionObserver;

// CLASS DECLARATION

/**

*  Local TCP connection, which connects to local TCP port.

*

*/

NONSHARABLE_CLASS( CLocalTCPConnection ) : public CActive

    {

    public:  // Constructors and destructor

        /**

        * Factory function.

        * @param aObserver TCP connection observer.

        * @param aPort Port to connect to.

        * @return New CLocalTCPConnection instance.

        */

        static CLocalTCPConnection* NewL(

            MLocalTCPConnectionObserver* aObserver, TInt aPort );

        /**

        * Factory function.

        * @param aObserver TCP connection observer.

        * @param aPort Port to connect to.

        * @return New CLocalTCPConnection instance.

        */

        static CLocalTCPConnection* NewLC(

            MLocalTCPConnectionObserver* aObserver, TInt aPort );

        /**

        * Destructor.

        */

        ~CLocalTCPConnection();

    public: // New functions

        void IssueConnectL();

        void IssueDisconnect();

        void SetObserver( MLocalTCPConnectionObserver* aObserver );

        TBool IsConnected();

        RSocket* Socket();

        void SetSocketOwnership( TBool aOwns );

    public: // Functions from base classes

        /**

        * From CActive. Pending request has been completed.

        */

        void RunL();

        /**

        * From CActive. Pending request has been cancelled.

        */

        void DoCancel();

        /**

        * From CActive. RunL has leaved.

        */

        TInt RunError( TInt aError );

    public: // New methods

        /**

        * Returns the port number of this connection

        * @return Port number

        */

        TInt Port();

    private:

        /**

        * Default constructor.

        */

        CLocalTCPConnection( MLocalTCPConnectionObserver* aObserver,

                             TInt aPort );

        /**

        * 2nd phase constructor.

        */

        void ConstructL();

    private:    // Data

        MLocalTCPConnectionObserver* iObserver;

        RSocketServ iSocketServer;

        RSocket* iSocket;

        TInetAddr iAddr;

        TLocalTCPConnState iState;

        TBool iOwnsSocket;

    };

#endif      // CLOCALTCPCONNECTION_H

// End of File