diff -r 000000000000 -r 29b1cd4cb562 bluetooth/btstack/linkmgr/linkmuxer.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/bluetooth/btstack/linkmgr/linkmuxer.h Fri Jan 15 08:13:17 2010 +0200 @@ -0,0 +1,81 @@ +// Copyright (c) 2001-2009 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: +// + +#ifndef LINKMUXER_H__ +#define LINKMUXER_H__ + +#include +#include "linkqitem.h" +#include "linkflowcontrol.h" +#include "linkutil.h" +#include +#include + +class CHCIFacade; +class CHCILinkMgr; +class MHCICommandQueue; +class CACLDataQController; +class CLinkMgrProtocol; +class CHCICmdQController; + +/** + Regulates the issuing of buffers send down the same channel. + + The mux decides and notifies the appropriate Q to send data when the wire + is free. The mux will need to be fed with 'the wire is free' events and + trigger events that will indicate reception of events (external) + corresponding to the different Qs -(like NumCompletedPackets, Write + Data CommandComplete etc) +*/ +NONSHARABLE_CLASS(CLinkMuxer) : public CBase + { +public: + static CLinkMuxer* NewL(CLinkMgrProtocol& aLinkMgrProtocol, CHCIFacade& aHCIFacade); + void ObtainHostControllerBufferSizeL(); + void RecordHostControllerToHostFlowControl(TBool aFlowFlag); + CACLDataQController* HandleLocalReadBufferSizeResult(TUint16 aAclMaxLen, + TUint8 /*aScoMaxLen*/,TUint16 aNoACL,TUint16 /*aNoSCO*/); + TInt ACLPacketMTU() const; + + CACLDataQController& DataQController() const {return *iDataController;}; + void ChannelsFree(THCITransportChannel aChannel); // notification of free channels + void ChannelsClosed(THCITransportChannel aChannel); // notification of closed channels + static TInt TryToSendCallBackStatic(TAny* aCLinkMuxer); + void TryToSend(); // request to send on certain channels +#ifdef STACK_SCO_DATA + TBool CanWriteSCOData(); +#endif + ~CLinkMuxer(); + +private: + void DataTrigger(); + void CommandTrigger(); + void ConstructL(); + CLinkMuxer(CLinkMgrProtocol& aLinkMgrProtocol, CHCIFacade& aHCIFacade); + void DoSend(/*THCITransportChannel aChannel*/); // request to send on certain channels +private: +// owned resources + CHCICmdQController* iCommandController; + CACLDataQController* iDataController; + CAsyncCallBack* iSendCallBack; +// non-owned resources + CHCIFacade& iHCIFacade; + THCITransportChannel iChannelsFree; + TFlowControlMode iFlowControlMode; + CLinkMgrProtocol& iLinkMgrProtocol; + TInt iACLPacketMTU; + }; + +#endif