// Copyright (c) 2008-2009 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:

//

/**

 @file

 @internalComponent

*/

#ifndef PAIRINGSERVER_H

#define PAIRINGSERVER_H

#include <e32base.h>

#include <es_prot.h>

#include "oobdata.h"

#include "simplepairingresult.h"

#include "SecManNotifiers.h"

class CPhysicalLinksManager;

class CBTProxySAP;

class CPairingSession;

class CPairingSubSession;

class COobDataSession;

class CLinkMgrProtocol;

const TUint KOOBBtAddrOffset = 2;

const TUint KOOBOptionalDataOffset = 8;

/**

This class is the server which provides the services associated with

Bluetooth pairing.

*/

NONSHARABLE_CLASS(CPairingServer)

	: public CPolicyServer

	{

friend class CPairingSession;

public:

	static CPairingServer* NewL(COobDataManager& aOobDataManager, CSimplePairingResultList& aSimplePairingResultList, CAuthenticationResultList& aAuthenticationResultList);

	~CPairingServer();

	void SetPhysicalLinksManager(CPhysicalLinksManager& aLinksMan);

	void ClearPhysicalLinkMgr();

	void SetLinksMgrProtocol(CLinkMgrProtocol& aLinkMgrProtocol);

	void ClearLinksMgrProtocol();

private: // used by sessions.

	CObjectCon* NewContainerL();

	void DeleteContainer(CObjectCon* aContainer);

	CPhysicalLinksManager& LinksManL() const;

	COobDataManager& OobDataManager() const;

	CSimplePairingResultList& SimplePairingResultList() const;

	CAuthenticationResultList& AuthenticationResultList() const;

private:

	CPairingServer(COobDataManager& aOobDataManager, CSimplePairingResultList& aSimplePairingResultList, CAuthenticationResultList& aAuthenticationResultList);

	void ConstructL();

	void AddSession();

	void DropSession();

private: // from CPolicyServer

	CSession2* NewSessionL(const TVersion &aVersion, const RMessage2& aMessage) const;

private: // unowned

	COobDataManager&			iOobDataManager;

	CSimplePairingResultList&	iSimplePairingResultList;

	CAuthenticationResultList&	iAuthenticationResultList;

	CPhysicalLinksManager*		iLinksMan;

	CLinkMgrProtocol*		 	iLinkMgrProtocol;

private: // owned

	CObjectConIx*			iContainerIndex;

	TInt					iSessionCount;

	};

/**

This class provides the session representation for the Pairing server.

The class mostly manages and dispatches requests to subsessions.

*/

NONSHARABLE_CLASS(CPairingSession)

	: public CSession2

	{

public:

	static CPairingSession* NewL(CPairingServer& aPairingServer);

	~CPairingSession();

private:

	CPairingSession(CPairingServer& aPairingServer);

	void CreateL();

	CPairingServer& Server() const;

	TBool DispatchSessMessageL(const RMessage2& aMessage);

	void DispatchSubSessMessageL(const RMessage2& aMessage);

	CPairingSubSession* SubSessionFromHandle(TInt aHandle);

	void NewOobDataSubSessionL(const RMessage2& aMessage);

	void NewDedicatedBondingSubSessionL(const RMessage2& aMessage);

	void NewSimplePairingResultSubSessionL(const RMessage2& aMessage);

	void NewAuthenticationResultSubSessionL(const RMessage2& aMessage);

	void SubSessionConstructL(const RMessage2& aMessage, CPairingSubSession* aSubSession);

	void DeleteSubSession(const RMessage2& aMessage);

#ifdef _DEBUG

	// We don't use __DECLARE_TEST because we don't want to export this function.

	void __DbgTestInvariant() const;

#endif // _DEBUG

private: // from CSession2

	void ServiceL(const RMessage2& aMessage);

	void ServiceError(const RMessage2& aMessage, TInt aError);

private:

	CObjectCon* iContainer;

	CObjectIx*	iSubSessions;

	// Unowned

	CPairingServer& 	iPairingServer;

	};

/**

This abstract class provides the base class representation for all subsessions on the

pairing server.

*/

NONSHARABLE_CLASS(CPairingSubSession)

	: public CObject

	{

public:

	~CPairingSubSession();

	virtual void DispatchSubSessMessageL(const RMessage2& aMessage) = 0;

protected:

	CPairingSubSession(CPairingSession& aSession);

	void ConstructL();

	CPairingSession& Session() const;

private:

	CPairingSession&	iSession;

	};

/**

This is the pairing server sub-session for handling OOB data requests.

This covers both inbound OOB data provision, and outbound OOB data retrieval.

*/

NONSHARABLE_CLASS(COobDataSession)

	: public CPairingSubSession

	, private XOobLocalDataObserver

	{

public:

	static COobDataSession* NewLC(CPairingSession& aSession, COobDataManager& aOobDataManager);

	~COobDataSession();

private:

	COobDataSession(CPairingSession& aSession, COobDataManager& aOobDataManager);

	void ProvideParsedRemoteOobDataL(const RMessage2& aMessage);

	void ProvideRawRemoteOobDataL(const RMessage2& aMessage);

	void ClearRemoteOobDataL(const RMessage2& aMessage);

	void ReadLocalOobDataL(const RMessage2& aMessage);

	void CancelReadLocalOobData(const RMessage2& aMessage);

	void LocalOobDataRetrievedL(const TBluetoothSimplePairingHash& aHash, const TBluetoothSimplePairingRandomizer& aRandomizer);

	void TryCancelReadLocalOobData();

	COobDataManager& OobDataManager() const;

private: // from CPairingSubSession

	void DispatchSubSessMessageL(const RMessage2& aMessage);

private: // from XOobLocalDataObserver

	void XoldoLocalOobDataRetrieved(TInt aResult, const TBluetoothSimplePairingHash& aHash, const TBluetoothSimplePairingRandomizer& aRandomizer);

private: // unowned

	COobDataManager&	iOobDataManager;

private: // owned

	RMessage2			iReadLocalOobDataMsg;

	};

/**

This is the pairing server sub-session for handling dedicated bonding requests.

To the client side this represents a single dedicated bond attempt...

*/

NONSHARABLE_CLASS(CDedicatedBondingSession)

	: public CPairingSubSession

	, public MAccessRequestResponseHandler

	, public MSocketNotify

	{

public:

	static CDedicatedBondingSession* NewLC(CPairingSession& aSession, CPhysicalLinksManager& aPhysicalLinksManager);

	~CDedicatedBondingSession();

private:

	CDedicatedBondingSession(CPairingSession& aSession, CPhysicalLinksManager& aPhysicalLinksManager);

	void ConstructL();

	void StartBondingL(const RMessage2& aMessage);

	void DoAccessRequestL();

	void Shutdown();

	void Complete(TInt aError);

	static TInt StaticShutdown(TAny* aPtr);

private: // from CPairingSubSession

	void DispatchSubSessMessageL(const RMessage2& aMessage);

private: // from MAccessRequestResponseHandler

	void AccessRequestComplete(TInt aResult);

private: // from MSocketNotify

	void NewData(TUint aCount);

	void CanSend();

	void ConnectComplete();

	void ConnectComplete(const TDesC8& aConnectData);

	void ConnectComplete(CServProviderBase& aSSP);

	void ConnectComplete(CServProviderBase& aSSP, const TDesC8& aConnectData);

	void CanClose(TDelete aDelete=EDelete);

	void CanClose(const TDesC8& aDisconnectData, TDelete aDelete=EDelete);

	void Error(TInt aError, TUint anOperationMask=EErrorAllOperations);

	void Disconnect(void);

	void Disconnect(TDesC8& aDisconnectData);

	void IoctlComplete(TDesC8* aBuf);

	void NoBearer(const TDesC8& aConnectionParams);

	void Bearer(const TDesC8& aConnectionInfo);

private:

	enum TState

		{

		EInitialConnectionPending,

		EInitialConnection,

		EZombie,

		EFinalConnectionPending,

		EFinalConnection,

		EShutdown,

		};

private:

	TState					iState;

private: // unowned

	CPhysicalLinksManager&	iPhysicalLinksManager;

private: // owned

	RMessage2				iStartBondingMsg;

	CBTProxySAP*			iProxySap;

	CAsyncCallBack*			iAsyncShutdown;

	};

NONSHARABLE_CLASS(CSimplePairingResultSession)

	: public CPairingSubSession

	, public MBluetoothSecurityResultObserver

	{

public:

	static CSimplePairingResultSession* NewLC(CPairingSession& aSession, CSimplePairingResultList& aResultList);

	~CSimplePairingResultSession();

private:

	CSimplePairingResultSession(CPairingSession& aSession, CSimplePairingResultList& aResultList);

	void ConstructL();

	void SimplePairingResultL(const RMessage2& aMessage);

	void CancelSimplePairingResult(const RMessage2& aMessage);

	void ReturnResultL(const TBTDevAddr& aDevAddr);

private: // from CPairingSubSession

	void DispatchSubSessMessageL(const RMessage2& aMessage);

private: // from MBluetoothSecurityResultObserver

	TInt MbsroResult(const TBTDevAddr& aDevAddr, TInt aResult);

private: // unowned

	CSimplePairingResultList&	iResultList;

private: // owned

	RMessage2			iResultMsg;

	};

NONSHARABLE_CLASS(CAuthenticationResultSession)

	: public CPairingSubSession

	, public MBluetoothSecurityResultObserver

	{

public:

	static CAuthenticationResultSession* NewLC(CPairingSession& aSession, CAuthenticationResultList& aResultList);

	~CAuthenticationResultSession();

private:

	CAuthenticationResultSession(CPairingSession& aSession, CAuthenticationResultList& aResultList);

	void ConstructL();

	void AuthenticationResultL(const RMessage2& aMessage);

	void CancelAuthenticationResult(const RMessage2& aMessage);

	void ReturnResultL(const TBTDevAddr& aDevAddr);

private: // from CPairingSubSession

	void DispatchSubSessMessageL(const RMessage2& aMessage);

private: // from MBluetoothSecurityResultObserver

	TInt MbsroResult(const TBTDevAddr& aDevAddr, TInt aResult);

private: // unowned

	CAuthenticationResultList&	iResultList;

private: // owned

	RMessage2			iResultMsg;

	};

#endif // PAIRINGSERVER_H