bluetooth/btstack/linkmgr/ProxySAP.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Tue, 25 May 2010 13:54:55 +0300
branchRCL_3
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permissions -rw-r--r--
Revision: 201018 Kit: 2010121
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// Copyright (c) 2003-2009 Nokia Corporation and/or its subsidiary(-ies).
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// All rights reserved.
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// This component and the accompanying materials are made available
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// under the terms of "Eclipse Public License v1.0"
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// which accompanies this distribution, and is available
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// at the URL "http://www.eclipse.org/legal/epl-v10.html".
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//
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// Initial Contributors:
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// Nokia Corporation - initial contribution.
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//
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// Contributors:
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//
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// Description:
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// Defines the Proxy SAP class
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// 
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//
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#ifndef _PROXYSAP_H_
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#define _PROXYSAP_H_
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#include <bt_sock.h>
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#include <es_mbuf.h>
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#include "physicallinks.h"
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#include "notification.h"
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#include "btconsts.h"
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class CACLRawConduit;
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NONSHARABLE_CLASS(TRequestedLinkPolicy)
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/**
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	Not to be confused with the TLinkPolicy - that's just for the HCI Command
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	This is to store the preferences of the RBTBaseband within a Proxy SAP
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**/
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	{
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public:
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	TRequestedLinkPolicy(TUint8 aSettings, TBool aSwitchAllowed);
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	TBool IsModeAllowed(TBTLinkMode aMode) const;
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	TBool IsSwitchAllowed() const;
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	void SetModeAllowed(TBTLinkMode, TBool aAllowed);
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	void SetSwitchAllowed(TBool aAllowed);
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	TBool IsModeRequested(TBTLinkMode aMode) const;
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	TBool IsAnyModeRequested() const;
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	TInt SetModeRequested(TBTLinkMode aMode);
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	TUint8 ModesAllowed() const;
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	TUint8 CurrentModeRequest()	const;
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private:
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	TBool	iSwitchAllowed;
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	TUint8	iModesAllowed;
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	TUint8	iCurrentModeRequest;
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	};
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NONSHARABLE_CLASS(TBTQueuedBasebandEventNotification) : public TBTBasebandEventNotification
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/**
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	Extends via aggregation public TBTBasebandEventNotification class to make it queue-able
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**/
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	{
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public:
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	TBTQueuedBasebandEventNotification(const TBTBasebandEventNotification& aEvent)
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		: TBTBasebandEventNotification(aEvent) {};
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public:
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	TSglQueLink iLink;
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	};
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NONSHARABLE_CLASS(CBTProxySAP) : public CBTBasebandSAP
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/**
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	Acts as the proxy to RBTBaseband - its MSocketNotify is a CSocket
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	It is itself an MSocketNotify as this is an ideal way for the real SAP to talk to it
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**/
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	{
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friend class CACLRawConduit;
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public:
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	static CBTProxySAP* NewLC(CPhysicalLinksManager& aConnectionMan, CPhysicalLink*);
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	static CBTProxySAP* NewL(CPhysicalLinksManager& aConnectionMan, CPhysicalLink*);
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	~CBTProxySAP();
0
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// from SAP - the proxy will not do all of these
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	virtual void Start();
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	virtual void RemName(TSockAddr& anAddr) const ;
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	virtual TInt SetRemName(TSockAddr& anAddr);
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	virtual TInt GetOption(TUint level,TUint name,TDes8& anOption)const ;
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	virtual void Ioctl(TUint level,TUint name,TDes8* anOption);
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	virtual void CancelIoctl(TUint aLevel,TUint aName);
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	virtual TInt SAPSetOption(TUint level,TUint name,const TDesC8 &anOption);
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	virtual void ActiveOpen();
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	virtual void ActiveOpen(const TDesC8& aConnectionData);
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	virtual TInt PassiveOpen(TUint aQueSize);
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	virtual TInt PassiveOpen(TUint aQueSize,const TDesC8& aConnectionData);
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	virtual void Shutdown(TCloseType aCloseType);
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	virtual void Shutdown(TCloseType aCloseType,const TDesC8& aDisconnectionData);
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	virtual void AutoBind();
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	virtual void IoctlComplete(TInt aErr, TUint aLevel, TUint aName, TDesC8* aBuf=NULL);
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	TUint Write(const TDesC8& aDesc,TUint aOptions, TSockAddr* aAddr);
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	void GetData(TDes8& aDesc,TUint options,TSockAddr* anAddr=NULL);
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	void Timeout(TBasebandTimeout aTimeout);
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	static TInt SignalConnectComplete(TAny* aCPhysicalLink);// async callback
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	TBool IsModeRequested(TBTLinkMode aMode) const;
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	TBool IsAnyModeChangeRequested() const; 
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	TUint8 GetRequestedModes() const;
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	TUint8 GetAllowedModes() const;
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	TBool IsRoleSwitchAllowed() const;
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	TBool RequestedActiveMode() const;
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	void DataReceived();
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	void TerminatePhysicalLinksComplete();
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// from MPhysicalLinkObserver
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	void PhysicalLinkChange(const TBTBasebandEventNotification & aEvent, CPhysicalLink& aPhysicalLink);
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	void Error(TInt aError);
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	void Disconnect();
23
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0
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public:
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	TSglQueLink			iQueueLink;	
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	TBTDblQueLink		iPLMLink;	
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private:
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	CBTProxySAP(CPhysicalLinksManager& aConnectionMan, CPhysicalLink* aPhysicalSAP);
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	void ConstructL();
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	TInt CreateRawConduit();
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	void AsyncCheckLinkUp();
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	TInt SetModeRequested(TBTLinkMode aMode);
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	void SetBasebandNotificationOptions(TUint32 aOption);
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	void PhysicalLinkUp();
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	void PhysicalLinkDown();
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	void PhysicalLinkError(TInt aError);
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	void ClearBasebandEventQueue();
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	TBool CanCreatePhysicalLink();
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	void ClearPhysicalLink();
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	void SetNullBasebandState(TBTBasebandEventNotification & aEvent);
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#ifdef HOSTCONTROLLER_TO_HOST_FLOW_CONTROL
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	void TryToFreeBuffers();
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	static TInt AsyncFreeBuffers(TAny* aCACLLink);
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	CAsyncCallBack*							iBufferFreeCallback;
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	RArray<RMBufChain>						iInboundBuffer; 
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	TInt									iInboundPacketIndex;
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	TInt									iInboundBuffersFreed;
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#else
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	// for no flow control
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	RMBufPktQ								iInboundBuffer;
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#endif
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private:
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	enum TEventNotificationStatus
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		{
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		EDisabled,
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		EEnabledCanSend,
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		EEnabledOneShot,
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		EEnabledQueuing,
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		};
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	enum TTerminateStatus
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		{
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		ENone,
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		ETerminatingAllLinks,
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		ETerminatingSingleLink,
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		};
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	CAsyncCallBack*			iAsyncCallback;
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	CACLRawConduit*			iRawConduit; 
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	TRequestedLinkPolicy	iRequestedLinkPolicy;
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	TBool					iRawConduitReady;
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	TBool					iNotifiedUp;
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	TTerminateStatus		iTerminating;
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	TUint32					iBasebandNotifyOptions;
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	TSglQue<TBTQueuedBasebandEventNotification> iEventNotificationQueue;
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	TEventNotificationStatus					iEventNotificationStatus;
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	TBool					iRequestedActiveMode;
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	};
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#endif //_PROXYSAP_H_