/*
* Copyright (c) 2007 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:
*
*/
#ifndef CNATBINDING_H
#define CNATBINDING_H
// INCLUDES
#include <in_sock.h>
#include <e32base.h>
#include "mnatbindingrefresherobserver.h"
#include "nattraversalsocketuser.h"
// FORWARD DECLARATIONS
class CSTUNBinding;
class MSIPNATTraversalRequestObserver;
class MSIPNATBindingObserver;
class MNATTraversalSocketManager;
class CNATBindingRefresher;
// CLASS DECLARATION
/**
* NAT binding.
*/
class CNATBinding : public CBase,
public MNATBindingRefresherObserver,
public MNATTraversalSocketUser
{
public: // Constructors and destructor
static CNATBinding* NewL(
TUint32 aInitialRequestId,
RSocket& aSTUNSocket,
const TInetAddr& aLocalAddr,
MSIPNATTraversalRequestObserver& aInitialRequestObserver,
MSIPNATBindingObserver& aBindingObserver,
MNATTraversalSocketManager& aSocketManager);
static CNATBinding* NewLC(
TUint32 aInitialRequestId,
RSocket& aSTUNSocket,
const TInetAddr& aLocalAddr,
MSIPNATTraversalRequestObserver& aInitialRequestObserver,
MSIPNATBindingObserver& aBindingObserver,
MNATTraversalSocketManager& aSocketManager);
~CNATBinding();
public: // New functions
TBool PersistentConnectionRequired() const;
RSocket& STUNSocket();
void SetBinding(CSTUNBinding* aBinding);
CSTUNBinding* Binding();
void SendSTUNRequestL();
void SetBindingFailed(TInt aError);
TBool SetPublicAddr(const TInetAddr& aPublicAddr);
void SetRefresher(CNATBindingRefresher* aRefresher);
CNATBindingRefresher* Refresher();
TUint32 InitialRequestId() const;
MSIPNATBindingObserver& NATBindingObserver();
TBool AddressResolved() const;
const TInetAddr& PublicAddr() const;
void HandleDataL(const TDesC8& aData,
const RSocket& aSocket,
TBool& aConsumed);
void ContinueRefreshing();
public: // From MNATBindingRefresherObserver
void NATBindingRefreshComplete(TInt aCompletionCode);
public: // MNATTraversalSocketUser
const RSocket& Socket() const;
void SendingAllowed();
TBool IsSending() const;
void CancelSending();
private: // Constructors
CNATBinding(
TUint32 aInitialRequestId,
RSocket& aSocket,
const TInetAddr& aLocalAddr,
MSIPNATTraversalRequestObserver& aInitialRequestObserver,
MSIPNATBindingObserver& aBindingObserver,
MNATTraversalSocketManager& aSocketManager);
private: // New functions
void SendingCompleted();
private: // Data
TUint32 iInitialReqId;
RSocket& iSTUNSocket;
MSIPNATTraversalRequestObserver& iInitialReqObserver;
MSIPNATBindingObserver& iBindingObserver;
MNATTraversalSocketManager& iSocketManager;
TInetAddr iPublicAddr;
TBool iAddressResolved;
CSTUNBinding* iBinding; // owned
CNATBindingRefresher* iRefresher; // owned
TBool iIsSending;
};
#endif // CNATBINDING_H
// End of File