/*

* 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          : CNATTraversalNotIntegrated.h

* Part of       : ConnectionMgr

* Version       : SIP/5.0 

*

*/

/**

 @internalComponent

*/

#ifndef CNATTRAVERSALNOTINTEGRATED_H

#define CNATTRAVERSALNOTINTEGRATED_H

// INCLUDES

#include <sipnattraversalcontroller.h>

// FORWARD DECLARATIONS

// HELPER CLASS DEFINITION

class TPendingAsyncRequest

    {

    public: // Methods

        TPendingAsyncRequest( TDeltaTimerEntry aTimerEntry,

                              TUint32 aIapId,

                              MSIPNATTraversalRequestObserver& aObserver,

                              TUint32 aRequestId );

        TBool MatchRequestId( TUint32 aRequestId ) const;

        TBool MatchIapId( TUint32 aIapId ) const;

    public: // Data

        TDeltaTimerEntry iTimerEntry;

        TUint32 iIapId;

        MSIPNATTraversalRequestObserver& iObserver;

        TUint32 iRequestId;

    };

// CLASS DEFINITION

/**

* Handling situations where NATTravesalController ecom plugin cannot be used.

*/

class CNATTraversalNotIntegrated : public CSIPNATTraversalController

    {

    public: // Constructor and destructor

        static CNATTraversalNotIntegrated* NewL();

        ~CNATTraversalNotIntegrated();

    public: // From CSIPNATTraversalController

        TUint32 ResolvePublicAddrL(

            TUint32 aIapId,

            RConnection& aConnection,

            const TInetAddr& aLocalAddr,

            const TDesC8& aDomain,

            RSocket& aUdpSocket,

            const TInetAddr& aNextHopAddr,

            MSIPNATBindingObserver* aBindingObserver,

            MSIPNATTraversalRequestObserver& aRequestObserver );

        void Cancel( TUint32 aRequestId );        

        TBool RefreshNATBindingL( 

            RSocket& aSocket,

            const MSIPNATBindingObserver* aBindingObserver );

        TBool RefreshNATBindingL(

            CSecureSocket& aSecureSocket,

            const MSIPNATBindingObserver* aBindingObserver );

        void UpdateNextHop( 

            const TInetAddr& aNextHopAddr,

            const MSIPNATBindingObserver* aBindingObserver );  

        void SocketIdle( 

            TBool aIdle,

            RSocket& aSocket );

        void SocketIdle( 

            TBool aIdle,

            CSecureSocket& aSecureSocket );

        void DataReceivedL( 

            const TDesC8& aData,

            const RSocket& aUdpSocket,

            TBool& aHandled );    

        void FreeResources( 

            TUint32 aIapId );

        void FreeResources( 

            MSIPNATBindingObserver& aBindingObserver );

    public: // New methods

        static TInt CompletionCallback( TAny* aAny );

    private: // Constructors

        void ConstructL();

        CNATTraversalNotIntegrated();

    private: // New methods

        void AddAsyncRequestL( TUint32 aIapId,

                               MSIPNATTraversalRequestObserver& aRequestObserver,

                               TUint32 aRequestId );

        void CompletePendingAsyncRequest();

        TUint32 NextRequestId();

    private: // Data

        CDeltaTimer* iAsyncCompletionTimer;

        RArray< TPendingAsyncRequest > iAsyncRequests;

        TUint32 iRequestIdCounter;

#ifdef CPPUNIT_TEST

        friend class COutgoingRequestQueueTest;

#endif

    };

#endif // CNATTRAVERSALNOTINTEGRATED_H