/*

* Copyright (c) 2009-2010 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:  NAT/Firewall handler for VoIP XML processor

*

*/

#ifndef  VOIPXMLNATFWHANDLER_H

#define  VOIPXMLNATFWHANDLER_H

#include "voipxmlprocessordefaults.h"

struct TAdditionalStun

    {

//public:

    /**

     * STUN server address.

     */

    TBuf8<KMaxNodeValueLength> iStunSrvAddr;

    /**

     * STUN server port.

     */

    TInt iStunSrvPort;

    /**

     * STUN server username.

     */

    TBuf8<KMaxNodeValueLength> iStunSrvUsername;

    /**

     * STUN server password.

     */

    TBuf8<KMaxNodeValueLength> iStunSrvPassword;

    };

/**

*  VoipXmlNatFwHandler

*  NAT/Framwrork handler class.

* 

*  @lib voipxmlprocessor.lib

*  @since S60 v5.0

*/

class CVoipXmlNatFwHandler : public CBase

    {

#ifdef _DEBUG

    friend class UT_CVoipXmlNatFwHandler;

    friend class UT_CVoipXmlParamHandler;

#endif

public:

    static CVoipXmlNatFwHandler* NewL();

    ~CVoipXmlNatFwHandler();

public:

    /**

     * Sets NAT/Firewall setting.

     *

     * @since S60 v5.0

     * @param aParam Parameter to be set.

     * @param aValue Value of the setting.

     */

    void SetSetting( TInt aType, TInt aParam, const TDesC8& aValue );

    /**

     * Stores settings to Central Repository (actually calls StoreSettingsL).

     *

     * @since S60 v5.0

     * @return KErrNone if successful,

     *         KErrNotSupported if no settings to be stored,

     *         KErrCompletion if settings could not be stored.

     */

    TInt StoreSettings();

    /**

     * Method to inform the handler that currently deployed settings

     * have ended. This way we will know when iCurrentAdditionalStunServer

     * server should be appended to iAdditionalStunServers array.

     *

     * @since S60 v5.0

     * @param aType Type of settings.

     */

    void SettingsEnd( TInt aType );

private:

    /**

     * Commits actual Central Repository storage.

     *

     * @since S60 v5.0

     */

    void StoreSettingsL();

private:

    CVoipXmlNatFwHandler();

    void ConstructL();

private:

    /**

     * Tells if any settings have been set to internal members.

     */

    TBool iSettingsSet;

    /**

     * Domain name.

     * Own.

     */

    HBufC8* iDomain;

    /**

     * STUN server address.

     * Own.

     */

    HBufC8* iStunSrvAddr;

    /**

     * STUN server port.

     */

    TInt iStunSrvPort;

    /**

     * TCP refresh interval.

     */

    TInt iTcpRefreshInterval;

    /**

     * UDP refresh interval.

     */

    TInt iUdpRefreshInterval;

    /**

     * CRLF refresh.

     */

    TInt iCrlfRefresh;

    /**

     * STUN server username.

     * Own.

     */

    HBufC8* iStunSrvUsername;

    /**

     * STUN server password.

     * Own.

     */

    HBufC8* iStunSrvPassword;

    /**

     * STUN shared secret.

     */

    TInt iStunSharedSecret;

    /**

     * Start port of STUN port range.

     */

    TInt iStartPortRange;

    /**

     * End port of STUN port range.

     */

    TInt iEndPortRange;

    /**

     * NAT protocol

     * Own.

     */

    HBufC8* iNatProtocol;

    /**

     * Additional STUN server data that is being currently modified.

     * After modifications are done, it is appended to iAdditionalStunServers.

     */

    TAdditionalStun iCurrentAdditionalStunServer;

    /**

     * Array for holding additional STUN server data.

     */

    RPointerArray<TAdditionalStun> iAdditionalStunServers;

    };

#endif // VOIPXMLNATFWHANDLER_H

// End of file.