/*

* 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:  Sender of UDP datagrams

*

*/

#ifndef C_IKEV2SENDER_H

#define C_IKEV2SENDER_H

#include <e32base.h>

// FORWARD DECLARATIONS

class MIkeDataInterface;

class TInetAddr;

/**

 *  IKEv2 sender callback interface.

 *  Callback interface which is used by CIkev2Sender object to notify

 *  about completion of sending.

 * 

 *  @lib internal (ikev2lib.lib)

  */

NONSHARABLE_CLASS(MIkev2SenderCallback)

    {

public:        

    /**

     * Notifies about completion of sending.

     *

     * @param aStatus Completion status

     * @param aMsg IKE message

     */

    virtual void SendIkeMsgCompleted( TInt aStatus ) = 0;

    };

/**

 *  IKEv1 sender.

 *  Active object provides functionality for sending UDP datagrams.

 *

 *  @lib internal (ikev1lib.lib)

  */

NONSHARABLE_CLASS(CIkev2Sender) : public CActive

    {

public:

    /**

     * Two-phased constructor.

     * @param aDataInterface IKE data interface

     * @param aCallback Callback interface

     */

    static CIkev2Sender* NewL( MIkeDataInterface& aDataInterface,

                               MIkev2SenderCallback& aCallback );

    /**

    * Destructor.

    */

    ~CIkev2Sender();

    /**

    * Sends IKE message.

    * @param aLocalPort Local port

    * @param aDestAddr Destination IP address/port

    * @param aIkeMsg IKE message

    */

    void SendIkeMsg( TInt aLocalPort,

                     TInetAddr& aDestAddr,

                     TUint8 aDscp,

                     const TDesC8& aIkeMsg );

private:

    CIkev2Sender( MIkeDataInterface& aDataInterface,

                  MIkev2SenderCallback& aCallback );

// from base class CActive            

    /**

     * From CActive

     * Handles completion of asynchronous sending.

     */    

    void RunL();

    /**

     * From CActive

     * Handles cancellation of asynchronous sending.

     */    

    void DoCancel();

private: // data

    /**

     * IKE data interface.

     * Not own.

     */

    MIkeDataInterface&          iDataInterface;

    /**

     * Callback interface.

     * Not own.

     */

    MIkev2SenderCallback&       iCallback;

    };

#endif // C_IKEV2SENDER_H