/*

* Copyright (c) 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:  Handler of an IKE protocol plugin

*

*/

#ifndef C_IKEPLUGINHANDLER_H

#define C_IKEPLUGINHANDLER_H

#include <e32base.h>

#include "ikepluginsessionhandler.h"

#include "ikesocketdefs.h"

// FORWARD DECLARATIONS

class CIkePluginSessionHandler;

class MIkeDebug;

class MIkePluginIf;

class MKmdEventLoggerIf;

/**

 *  IKE plugin handler.

 *  IKE plugin specific handler for creating and deleting IKE plugin sessions. 

 *  

 *  @lib internal (kmdserver.exe)

  */

class CIkePluginHandler : public CBase

    {

public:

    /**

     * Two-phased constructor.

     * @param aIkeVersion IKE version

     * @param aEventLogger Event logger

     * @param aDebug Debug trace interface

     */

    static CIkePluginHandler* NewL( TInt aIkeVersion,

                                    MKmdEventLoggerIf& aEventLogger,

                                    MIkeDebug& aDebug );

    /**

     * Destructor.

     */

    ~CIkePluginHandler();

    /**

     * Creates IKE plugin session.

     * @param aVpnIapId VPN IAP id

     * @param aVpnNetId VPN NET id

     * @param aVpnInterfaceIndex VPN interface index

     * @param aIpVersion IP version

     * @param aDnsServer DNS server from IKE policy

     * @param aConnection IKE connection interface

     * @param aCallback Callback interface

     * @return Handler of IKE plugin session

     */

    CIkePluginSessionHandler& CreateIkePluginSessionL( TUint32 aVpnIapId,

                                                       TUint32 aVpnNetId,

                                                       TUint32 aVpnInterfaceIndex,

                                                       IkeSocket::TIpVersion aIpVersion,

                                                       const TInetAddr& aDnsServer,

                                                       CIkeConnectionInterface& aConnection,

                                                       MIkePluginSessionHandlerCallback& aCallback );    

    /**

     * Deletes IKE plugin session which matches VPN IAP id. Does nothing if

     * session is not found.

     * @param aVpnIapId VPN IAP Id

     */

    void DeleteIkePluginSession( TUint32 aVpnIapId );

private:

    CIkePluginHandler( TInt aIkeVersion,

                       MKmdEventLoggerIf& aEventLogger,

                       MIkeDebug& aDebug );

    /**

     * Creates IKE plugin session.

     * @param aVpnIapId VPN IAP id

     * @param aVpnNetId VPN NET id

     * @param aVpnInterfaceIndex VPN interface index

     * @param aIpVersion IP version

     * @param aDnsServerAddr DNS server address from IKE policy

     * @param aConnection IKE connection interface

     * @param aCallback Callback interface

     */

	CIkePluginSessionHandler& DoCreateIkePluginSessionL( TUint32 aVpnIapId,

	                                                     TUint32 aVpnNetId,

	                                                     TUint32 aVpnInterfaceIndex,

                                                         IkeSocket::TIpVersion aIpVersion,

                                                         const TInetAddr& aDnsServerAddr,

                                                         CIkeConnectionInterface& aConnection,

                                                         MIkePluginSessionHandlerCallback& aCallback );

    /**

     * Loads IKE plugin.

     */

	void LoadIkePluginL();

    /**

     * Unloads IKE plugin.

     */

	void UnloadIkePlugin();		

private: // data	

    /**

     * IKE version.

     * Own.

     */

    TInt                                        iIkeVersion;

    /**

     * Handle for IKE plugin library.

     * Own.

     */

    RLibrary                                    iLibrary;

    /**

     * IKE plugin.

     * Own.

     */

    MIkePluginIf*                               iIkePlugin;

    /**

     * IKE plugin session handlers.

     * Own.

     */

	RPointerArray<CIkePluginSessionHandler>     iIkePluginSessions;

    /**

     * Event logger.

     * Not own.

     */

    MKmdEventLoggerIf&                          iEventLogger;	

    /**

     * Debug trace interface.

     * Not own.

     */

    MIkeDebug&                                  iDebug;

    };

#endif // C_IKEPLUGINHANDLER_H