/*

* 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 "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          : CProxyResolveActor.h

* Part of       : ProxyResolver

* Version       : SIP/4.0 

*

*/

/**

 @internalComponent

*/

#ifndef CPROXYRESOLVEACTOR_H

#define CPROXYRESOLVEACTOR_H

// INCLUDES

#include <e32base.h>

#include <es_sock.h>

#include "MQueryObserver.h"

// FORWARD DECLARATIONS

class CProxyResolvingQueue;

class CProxyQuery;

class MSIPProxyResolverObserver;

class CProxyResolveActor : 

        public CActive,

        public MQueryObserver

    {

public:

    static CProxyResolveActor* NewL ();

    static CProxyResolveActor* NewLC ();

    ~CProxyResolveActor ();

    // actual resolver function

    void ResolveProxyL ( TUint&                     aRequestId, 

                         TUint32                    aIapId, 

                         MSIPProxyResolverObserver& aObserver );

    // cancel spesific query

    void CancelById ( TUint aRequestId );

public: // From CActive

    void RunL (); 

    TInt RunError (TInt aError);

    void DoCancel ();

private:

    void ConstructL ();

    CProxyResolveActor ();

    // process next query

    void ResolveNext ();

    // make the actual DHCP query

    void PerformDHCPQuery();

    // MQueryObserver callback: RConnection opened

    void ConnectionReady( CProxyQuery* aQuery);

    // MQueryObserver callback: RConnection failed

    void ErrorOccured( TInt aError, CProxyQuery* aQuery );

private: // Data

    CProxyResolvingQueue* iRequestQueue;    

    CProxyQuery* iCurrentQuery;

    RSocketServ   iServer;    

#ifdef CPPUNIT_TEST

    friend class CProxyResolveActorTest;

#endif

    };

#endif // CPROXYRESOLVEACTOR_H

// End of File