/*

* Copyright (c) 2007-2008 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:    ICMPv6 receiver

*

*/

#ifndef C_CNCMICMPV6RECEIVER_H

#define C_CNCMICMPV6RECEIVER_H

// INCLUDES

#include <e32base.h>

#include <in_sock.h>

// FORWARD DECLARATIONS

class MNcmSessionObserver;

class CNcmIcmpSender;

class MNcmIcmpObserver;

// CONSTANTS

const TInt KMaxUdpMessageSize = 1300;

/**

 *  Receives and handles ICMPv6 errors.

 *

 *  @lib connectionmux.lib

 *  @since S60 v3.2

 */

NONSHARABLE_CLASS( CNcmIcmpV6Receiver ): public CActive

    {

    friend class UT_CNcmIcmpReceiver;

public: // Constructors and destructor

    /** 

     * Two-phased constructor

     *

     * @param   aServer             Socket server

     * @param   aConnection         RConnection

     * @param   aObserver           ICMP error observer

     */

    static CNcmIcmpV6Receiver* NewL( RSocketServ& aServer,

        RConnection& aConnection, MNcmIcmpObserver& aObserver );

    virtual ~CNcmIcmpV6Receiver();

public: // From CActive

    void RunL();

    void DoCancel();

private: // Constructors, for internal use

    CNcmIcmpV6Receiver( RSocketServ& aServer,

        RConnection& aConnection, MNcmIcmpObserver& aObserver );

    void ConstructL();

private: // New functions, for internal use

    void Receive();

    void CheckError();

private: // Data

    /**

     * Socket server

     */

    RSocketServ& iServer;

    /**

     * RConnection

     */

    RConnection& iConnection;

    /**

     * Socket

     */

    RSocket iSocket;

    /**

     * ICMP sender

     * Own

     */

    CNcmIcmpSender* iIcmpSender;

    /**

     * Buffer where data is received from the socket

     */

    TBuf8<KMaxUdpMessageSize> iData;

    /**

     * Address

     */

    TInetAddr iAddress;

    /**

     * ICMP error observer

     */

    MNcmIcmpObserver& iObserver;

    };

#endif // end of C_CNCMICMPV6RECEIVER_H