/*

 * Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies).

 * All rights reserved.

 * This component and the accompanying materials are made available

 * under the terms of the License "Symbian Foundation License v1.0" to Symbian Foundation members and "Symbian Foundation End User License Agreement v1.0" to non-members

 * which accompanies this distribution, and is available

 * at the URL "http://www.symbianfoundation.org/legal/licencesv10.html".

 *

 * Initial Contributors:

 * Nokia Corporation - initial contribution.

 *

 * Contributors:

 *

 * Description:

 * Name        : siphttpdigestchallengeobserver.h

 * Part of     : SIP Client

 * Interface   : SDK API, SIP Client API

 * Version     : 1.0

 *

 */

 #ifndef MSIPHTTPDIGESTCHALLENGEOBSERVER_H

 #define MSIPHTTPDIGESTCHALLENGEOBSERVER_H

 // FORWARD DECLARATIONS

 // CLASS DECLARATION

 /**

 * @publishedAll

 * @released

 *

 * The user must implement this interface if it intends to

 * provide HTTP Digest credentials upon received challenges

 * from the SIP servers on the signaling path.

 * The user should provide credentials or ignore the challenge

 * using functions defined in TSIPHttpDigest class.

 *

 *  @lib n/a

 */

 class MSIPHttpDigestChallengeObserver

 	{

     public: // New functions

 		/**

 		* SIP request resulted in 401/407 response that contains

 		* a challenge.

 		*

 		* @param aRealm a realm for which the challenge was received

 		*/

 		virtual void ChallengeReceived(const TDesC8& aRealm) = 0;

 	};

 #endif