/*
* Copyright (c) 2008-2010 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: IKE connection
*
*/
#ifndef C_IKECONNECTION_H
#define C_IKECONNECTION_H
#include <e32base.h>
#include <in_sock.h>
#include <extendedconnpref.h>
#include "connobserver.h"
#include "datatransfer.h"
#include "ikeconnectioninterface.h"
// FORWARD DECLARATIONS
class CConnObserver;
class CDataTransfer;
class CLocalAddressResolver;
class MIkeDebug;
class RSocketServ;
/**
* IKE socket connection class.
*
* This class provides functionality for managing VPN AP's real network
* connection. This class implements IKE socket connection interface
* (CIkeConnectionInterface).
*
* This class owns data transfer object, which implements data interface
* (MIkeDataInterface). Possible fatal data transfer errors are handled
* in this class.
*
* @lib ikesocket.lib
*/
NONSHARABLE_CLASS( CIkeConnection ) : public CIkeConnectionInterface,
public MDataTransferCallback,
public MConnObserverCallback
{
public:
/**
* Two-phased constructor.
* @param aDebug Debug trace interface
*/
static CIkeConnection* NewL( MIkeDebug& aDebug );
/**
* Destructor.
*/
~CIkeConnection();
/**
* Opens data interface.
*
* @param aIkeMajorVersion IKE major version
* @param aIpVersion IP protocol version
* @return Data interface
*/
MIkeDataInterface& OpenDataInterfaceL( const TIkeMajorVersion aIkeMajorVersion,
const TIpVersion aIpVersion );
// from base class MIkeConnectionInterface
void StartConnection( const TUint32 aIapId,
const TUint32 aSnapId,
TRequestStatus& aStatus,
const TBool aForcedRoaming = EFalse );
void CancelStartConnection();
void StopConnection();
void ResolveFQDNAddress( const TDesC& aFQDN,
TNameEntry& aNameEntry,
TRequestStatus& aStatus );
void CancelResolveFQDNAddress();
void NotifyDisconnect( TRequestStatus& aStatus );
void CancelNotifyDisconnect();
TUint32 IapId() const;
TUint32 NetId() const;
TUint32 SnapId() const;
TInt GetLocalAddress( const TIpVersion aIpVersion,
TInetAddr& aLocalIp );
// from base class MDataTransferCallback
/**
* Notification about fatal data transfer error.
*
* @param aError Error value
* @param aErrorType Error type
*/
void DataTransferError( const TInt aError,
const TErrorType aErrorType );
// from base class MConnObserverCallback
/**
* Notification about link disconnection.
*
* @param aStatus Link disconnection status
*/
void LinkDisconnected( const TInt aStatus );
private:
enum TConnectionState
{
EIdle,
EConnecting,
EResolvingFQDN,
EConnected
};
CIkeConnection( MIkeDebug& aDebug );
void ConstructL();
/**
* Creates connection preferences.
* @param aIapId IAP id
* @param aSnapId SNAP id
* @param aForcedRoaming Indicates whether forced roaming is enabled or
* disabled for SNAP
*/
void CreatePreferencesL( const TUint32 aIapId,
const TUint32 aSnapId,
const TBool aForcedRoaming );
/**
* Cleans connection preferences.
*/
void CleanPreferences();
/**
* Updates IAP id and NET id.
*/
void UpdateRealIapData();
/**
* Handles completion of asynchronous request in EConnecting state.
*/
void DoStateAfterConnecting();
/**
* Handles completion of asynchronous request in EResolvingFQDN state.
*/
void DoStateAfterResolvingFQDN();
/**
* Implements cancellation of connection starting.
*/
void DoCancelStartConnection();
/**
* Implements cancellation of FQDN address resolving.
*/
void DoCancelResolveFQDNAddress();
// from base class CActive
/**
* From CActive.
* Handles an active object's request completion event.
*/
void RunL();
/**
* From CActive.
* Implements cancellation of an active request.
*/
void DoCancel();
private: // data
/**
* Connection state.
* Own.
*/
TConnectionState iState;
/**
* Socket server.
* Own.
*/
RSocketServ iSocketServer;
/**
* Network connection.
* Own.
*/
RConnection iConnection;
/**
* Host resolver.
* Own.
*/
RHostResolver iResolver;
/**
* IP version.
* Own.
*/
TIpVersion iIpVersion;
/**
* IAP id.
* Own.
*/
TUint32 iIapId;
/**
* NET id.
* Own.
*/
TUint32 iNetId;
/**
* SNAP id.
* Own.
*/
TUint32 iSnapId;
/**
* Extended connection preferences.
* Own.
*/
TExtendedConnPref iExtendedPrefs;
/**
* Connection preferences list.
* Own.
*/
TConnPrefList iConnPrefList;
/**
* Pointer to client's request status. Used for starting connection and
* resolving FQDN address.
* Not own.
*/
TRequestStatus* iClientStatus;
/**
* Pointer to client's request status. Used for requesting disconnect
* notification.
* Not own.
*/
TRequestStatus* iClientStatusNotifyDisconnect;
/**
* Data transfer object.
* Own.
*/
CDataTransfer* iDataTransfer;
/**
* Link status observer.
* Own.
*/
CConnObserver* iLinkObserver;
/**
* Local address resolver.
* Own.
*/
CLocalAddressResolver* iLocalAddressResolver;
/**
* Debug trace interface.
* Not own.
*/
MIkeDebug& iDebug;
};
#endif // C_IKECONNECTION_H