/*

* Copyright (c) 2010 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: 

*

*/

/** @file

@internalComponent

*/

#ifndef NCMCONNECTIONMANAGER_H

#define NCMCONNECTIONMANAGER_H

#ifdef OVERDUMMY_NCMCC

#include <usb/testncmcc/dummy_essock.h>

#include <usb/testncmcc/dummy_insock.h>

#include <usb/testncmcc/dummy_nifman.h>

#else

#include <es_sock.h>

#include <in_sock.h> 

#include <nifman.h>

#include <commdbconnpref.h>

#endif // OVERDUMMY_NCMCC

#include <e32property.h>

#include "ncmcommon.h"

#include "ncmiapprogressstateobserver.h"

#include "ncmiapconnectionobserver.h"

#include "ncmdhcpnotifobserver.h"

#include "ncmiapreaderobserver.h"

class MNcmConnectionManagerObserver;

class CNcmIapProgressWatcher;

class CNcmConnectionManHelper;

class CNcmDhcpNotifWatcher;

class CNcmIapReader;

class RNcmInternalSrv;

/**

 * CNcmConnectionManager to control ncm networking interface

 * It handles:

 *  1 Searching NCM IAP

 *  2 Start NCM connection

 *  3 IAP progress notification

 *  4 DHCP provisioning request from NCM internal server

 */

NONSHARABLE_CLASS(CNcmConnectionManager) : public CBase,

										public MNcmIapProgressStateObserver,

										public MNcmConnectionObserver,

										public MNcmDhcpNotificationObserver,

										public MNcmIAPReaderObserver

	{

public:

    /**

     * Constructs a CNcmConnectionManager object.

     * @param[in]   aOwner, NCM connection observer

     * @param[in]   aHostMacAddress, the NCM interface MAC address

     * @param[in]   aDataBufferSize, the EndPoint buffer size

     * @param[in]   aNcmInternalSvr, the NCM internal server

     * @return      Ownership of a new CNcmConnectionManager object

     */ 

	static CNcmConnectionManager* NewL(MNcmConnectionManagerObserver& aOwner,

            const TNcmMacAddress& aMacAddress, TUint aDataBufferSize,

            RNcmInternalSrv&   aNcmInternalSvr);

	~CNcmConnectionManager();

    /**

     * Start NCM connection

     * @param aStatus complete status for this request.

     */

	void Start(TRequestStatus& aStatus);

    /**

     * Cancel starting of NCM connection 

     */

	void StartCancel();

    /**

     * Stop NCM connection 

     */

	void Stop();

	// From MIapPorgressStateObserver

	virtual void MipsoHandleClassFatalError(TInt aError);

	// From MNcmConnectionObserver

	virtual void MicoHandleConnectionComplete(TInt aError);

	// From MNcmDhcpNotificationObserver

	virtual void MdnoHandleDhcpNotification(TInt aError);

	// From MNcmIAPReaderObserver

	virtual void MicoHandleIAPReadingComplete(TInt aError);

private:

    /**

     * Two-phase construction: phase 1

     * @param[in]   aObserver, NCM connection observer

     * @param[in]   aHostMacAddress, the NCM interface MAC address

     * @param[in]   aDataBufferSize, the EndPoint buffer size

     * @param[in]   aNcmInternalSvr, the NCM internal server

     */ 

	CNcmConnectionManager(MNcmConnectionManagerObserver& aObserver, 

	        const TNcmMacAddress& aHostMacAddress, TUint aDataBufferSize,

            RNcmInternalSrv&   aNcmInternalSvr);

	/**

	 * Two-phase construction: phase 2

	 */

	void ConstructL();

	/**

	 * Reset NCM connection manager

	 */

    void Reset();

    /*

     * Change default MTU size on NCM connection

     */

    void SetCustomMtuL();

    /*

     * Handle NCM connection building completion 

     */

	void HandleConnectionCompleteL();

private:

	// Owned.

	CNcmIapProgressWatcher*       iIapPrgrsWatcher;

	CNcmConnectionManHelper*      iConnManHelper;

	CNcmDhcpNotifWatcher*         iDhcpNotifWatcher;

	CNcmIapReader*                iIapReader;

	// Not own.

	TRequestStatus* 					iReportStatus;

	MNcmConnectionManagerObserver& 		iConnMgrObserver;

	// RSocketServ used for starting NCM IAP and configuring DHCP and NAPT, owned

	RSocketServ							iSocketServ;

	// RConnection used for starting NCM IAP and configuring DHCP server, owned

	RConnection							iConnection;

    TCommDbConnPref                     iConnPref;

	RProperty 							iProperty;

	TBool 								iConnComplete;

    const TNcmMacAddress&               iHostMacAddress;

    const TUint                         iDataBufferSize;

    RNcmInternalSrv&                    iNcmInternalSvr;

};

#endif // NCMCONNECTIONMANAGER_H