// Copyright (c) 1997-2009 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:

// NullAgent

// 

//

/**

 @file 

 @internalComponent

*/

#if !defined(__NULL_AGENT_H__)

#define __NULL_AGENT_H__

#include <comms-infras/cagentbase.h>

#include <comms-infras/ni_log.h>

#include "nullagtprog.h"

#include <etelpckt.h> 

#ifndef SYMBIAN_ENABLE_SPLIT_HEADERS

#include <comms-infras/nifprvar_internal.h>

#include <nifman_internal.h>

#endif

const TInt KMajorVersionNumber=8; //< Null Agent MajorVersionNumber

const TInt KMinorVersionNumber=0; //< Null Agent MinorVersionNumber

const TInt KBuildVersionNumber=1; //< Null Agent BuildVersionNumber

namespace NullAgent

	{

/**

panic codes for a CNullAgent

*/

	enum TNullAgentPanic

		{

		ENullNifmanNotifyPointer,

		ENullTAnyPointer

		};

}

_LIT(KNullAgentName,"nullagt"); //< Name of the Null Agent

GLDEF_C void NullAgentPanic(NullAgent::TNullAgentPanic aPanic);

class CNullAgentFactory : public CNifAgentFactory

/**

A Factory for creating a NullAgent

@internalComponent  

*/

	{

protected:

	void InstallL();

	CNifAgentBase *NewAgentL(const TDesC& aName);

	TInt Info(TNifAgentInfo& aInfo, TInt aIndex) const;

	};

class CNullAgent : public CAgentBase

/**

The CNullAgent class owns a CAsyncCallback , which is used to control the asynchronous 

ServiceStarted() and DisconnectComplete() call from the Agent to Nifman.

@internalComponent

*/

	{

public:

	static CNullAgent* NewL();

	virtual ~CNullAgent();

protected:

	void ConstructL();

	CNullAgent();

public:

	// from CNifAgentBase

	void Info(TNifAgentInfo& aInfo) const;

	void Connect(TAgentConnectType aType);

	void Connect(TAgentConnectType aType, CStoreableOverrideSettings* aOverrideSettings);

	void CancelConnect();

	void Disconnect(TInt aReason);

	void ServiceStarted(TInt aError);

	void ConnectionComplete(TInt aError);

	void DisconnectionComplete();

//	void MDPOLoginComplete(TInt aError);

//	void MDPOReadPctComplete(TInt aError);

//	void MDPODestroyPctComplete(TInt aError);

//	void MDPOQoSWarningComplete(TInt aError, TBool aResponse);

	TInt GetExcessData(TDes8& aBuffer);

	TInt Notification(TNifToAgentEventType aEvent, TAny* aInfo);

	void GetLastError(TInt& aError);

	TBool IsReconnect() const {return (ETrue);};

	TInt IncomingConnectionReceived();

#ifdef SYMBIAN_ADAPTIVE_TCP_RECEIVE_WINDOW	

	virtual TUint32 GetBearerInfo() const ;

#endif //SYMBIAN_ADAPTIVE_TCP_RECEIVE_WINDOW

private:

	static TInt ServiceStartedCb(TAny* aThisPtr);

	static TInt ConnectCompleteCb(TAny* aThisPtr);

	static TInt DisconnectCompleteCb(TAny* aThisPtr);

	TUint CommDbModemBearerRate();

private:

	CAsyncCallBack iServiceStartedCallback;

	CAsyncCallBack iConnectCompleteCallback;

	CAsyncCallBack iDisconnectCallback;

	TBool iConnected;

	TBool iCancelled;

	/**

	TSY Configuration parameters 

	Used for provisioning RawIP NIF in a test environment only.	*/

	RPacketContext::TContextConfigGPRS iTsyConfig;

	};

#endif