--- /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 <e32base.h>
+#include "linkqitem.h"
+#include "linkflowcontrol.h"
+#include "linkutil.h"
+#include <bluetooth/linkmuxnotifier.h>
+#include <bluetooth/hci/hctlchannelobserver.h>
+
+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