/*

* Copyright (c) 2004-2009 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:

* Name          : CSIPHostResolver.h

* Part of       : ServerResolver

* Version       : SIP/4.0 

*

*/

/**

 @internalComponent

*/

#ifndef CSIPHOSTRESOLVER_H

#define CSIPHOSTRESOLVER_H

//INCLUDES

#include <e32base.h>

#include <in_sock.h>

#include "MSIPHostResolver.h"

#include "_sipcodecdefs.h"

// FORWARD DECLARATIONS

class CRequestQueue;

class CServerQuery;

class MSIPServerResolverObserver;

// CLASS DEFINITION

/**

 * CSIPHostResolver implements a

 */

class CSIPHostResolver : public CActive, public MSIPHostResolver

	{

	public:// Constructors and destructor

		/**

	 	* Creates a new CSIPHostResolver instance

	 	* @param aServer for server session

	 	* @param aConnection for connection

	 	* @returns a new instance of CSIPHostResolver

	 	*/

		static CSIPHostResolver* NewL( RSocketServ& aServer, 

                                   	   RConnection& aConnection );

	    /**

	 	* Creates a new CSIPHostResolver instance 

	 	* and pushes it to CleanupStack

	 	* @param aServer for server session

	 	* @param aConnection for connection

	 	* @returns a new instance of CSIPHostResolver

	 	*/

		static CSIPHostResolver* NewLC( RSocketServ& aServer, 

                                    	RConnection& aConnection );

		/**

	 	* Destructor.

	 	*/

		~CSIPHostResolver();

	public:// From MSIPHostResolver

		RHostResolver& Resolver();

		TRequestStatus& RequestStatus();

		void SetIPListFailed( TBool aFailed );

	public:

		void GetByQueryL( CServerQuery* aQuery );	

		void CancelGetByURI( MSIPServerResolverObserver* aObserver );

		void RunL(); 

		TInt RunError( TInt aError );

		void DoCancel();

	private:// Constructors and destructor

		void ConstructL( RSocketServ& aServer, RConnection& aConnection );

		CSIPHostResolver();

	private:

		void ResolveNext();

	private:// Data

		CRequestQueue* iRequestQueue;

		CServerQuery* iQuery;

		RHostResolver iResolver;

		TBool iObserverCancel;

		TBool iFailed;

	private: // For testing purposes

		UNIT_TEST(CSIPHostResolverTest)

		UNIT_TEST(CSIPServerResolverTest)

	};

#endif // end of CSIPHOSTRESOLVER_H

// End of File