bluetooth/btstack/rfcomm/rfcommflow.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Fri, 15 Jan 2010 08:13:17 +0200
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// Copyright (c) 2001-2009 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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//
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#include <bluetooth/logger.h>
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#include <e32base.h>
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#include "rfcommutil.h"
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#include "rfcommmuxer.h"
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#include "rfcommflow.h"
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#ifdef __FLOG_ACTIVE
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_LIT8(KLogComponent, LOG_COMPONENT_RFCOMM);
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#endif
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/*************************************************************************/
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CRfcommFlowStrategyFactory::CRfcommFlowStrategyFactory()
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	{
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	LOG_FUNC
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//	iFlowStrategies.Reset();  // Null all the pointers -- not necessary as array is in CBase class.
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	}
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CRfcommFlowStrategyFactory::~CRfcommFlowStrategyFactory()
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	{
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	LOG_FUNC
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	// Destroy all the state objects
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	iFlowStrategies.DeleteAll();
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	}
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CRfcommFlowStrategyFactory* CRfcommFlowStrategyFactory::NewL()
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	{
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	LOG_STATIC_FUNC
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	CRfcommFlowStrategyFactory* factory  = new (ELeave) CRfcommFlowStrategyFactory();
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	CleanupStack::PushL(factory);
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	// Create all the new states
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	factory->iFlowStrategies[EFlowInitial]  = new (ELeave) TRfcommFlowStrategyInitial(factory);
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	factory->iFlowStrategies[EFlowCreditBased] = new (ELeave) TRfcommFlowStrategyCreditBased(factory);
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	factory->iFlowStrategies[EFlowNonCreditBased] = new (ELeave) TRfcommFlowStrategyNonCreditBased(factory);
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	// etc...
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	CleanupStack::Pop();
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	return factory;
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	}
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TRfcommFlowStrategy& CRfcommFlowStrategyFactory::GetFlowStrategy(const TFlowStrategies aFlowStrategy) const
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	{
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	LOG_FUNC
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	__ASSERT_DEBUG(aFlowStrategy != EMaxFlowStrategy, Panic(ERfCommFlowStrategyOutOfBounds));
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	return *iFlowStrategies[aFlowStrategy];
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	}
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/*************************************************************************/
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TRfcommFlowStrategy::TRfcommFlowStrategy(CRfcommFlowStrategyFactory* aFactory)
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:iFactory(aFactory)
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	{
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	LOG_FUNC
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	//iFactory = aFactory;
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	}
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TRfcommFlowStrategy::~TRfcommFlowStrategy()
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	{
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	LOG_FUNC
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	}
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TRfcommFlowStrategyInitial::TRfcommFlowStrategyInitial(CRfcommFlowStrategyFactory* aFactory)
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:TRfcommFlowStrategy(aFactory) 
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	{
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	LOG_FUNC
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	}
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TRfcommFlowStrategyInitial::~TRfcommFlowStrategyInitial()
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	{
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	LOG_FUNC
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	}
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TInt TRfcommFlowStrategyInitial::DataBufferMultiple()
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	{
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	LOG_FUNC
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	return KRfcommSAPBufferMultiple;
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	};
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TUint16 TRfcommFlowStrategyInitial::UsableMTU(const CRfcommSAP& aSAP, TUint8 /*aCredit*/) const
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	/**
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	  Available frame space for data
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	**/
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	{
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	LOG_FUNC
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	__ASSERT_DEBUG(aSAP.NegotiatedMTU(), Panic(ERfcommBadCalculatedMTU));
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	return aSAP.NegotiatedMTU();
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	}
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TBool TRfcommFlowStrategyInitial::AllowWrite(CRfcommSAP& /*aSAP*/)
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	/**
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	  Ignore CBFC Credits
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	**/
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	{
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	LOG_FUNC
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	return ETrue;
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	}
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TBool TRfcommFlowStrategyInitial::AllowFCOnOff(TBool /*aCommand*/)
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	/**
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	  Always allow 'FC On/Off' commands (not be confused with FC bit in an MSC command!).
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	**/
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	{
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	LOG_FUNC
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	return ETrue;
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	}
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TInt TRfcommFlowStrategyInitial::PNConvergenceLayer(TBool aCommand)
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	/**
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	  We are negotiating so keep trying for CBFC.
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	**/
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	{
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	LOG_FUNC
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	return aCommand?KCBFCCommandFlag:KCBFCResponseFlag;
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	}
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TUint8 TRfcommFlowStrategyInitial::PNFinalOctet() // FIXME: Rename to InitialCredit()
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	/**
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	  We are negotiating so keep trying for CBFC.
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	**/
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	{
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	LOG_FUNC
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	return KInitialCredit;
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	}
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TUint8 TRfcommFlowStrategyInitial::WriteCredit(CRfcommSAP& /*aSAP*/)
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	/**
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	  Return number of CBFC credits to send in UIH frame.
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	**/
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	{
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	LOG_FUNC
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	return 0;
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	}
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void TRfcommFlowStrategyInitial::OutgoingMSCReviseSignals(TBool /*aCommand*/, TUint8& /*aSignals*/)
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	/**
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	  Only requires action for CBFC.
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	**/
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	{
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	LOG_FUNC
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	}
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void TRfcommFlowStrategyInitial::ReviseDonatedCredits(CRfcommSAP& /*aSAP*/, TUint8 /*aCredit*/)
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	/**
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	  Only requires action for CBFC.
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	**/
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	{
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	LOG_FUNC
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	}
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void TRfcommFlowStrategyInitial::ReviseTransmittedCredits(CRfcommSAP& /*aSAP*/)
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	{
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	LOG_FUNC
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	/**
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	  Only requires action for CBFC.
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	**/
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	}
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CRfcommDataFrame* TRfcommFlowStrategyInitial::NewDataFrame(CRfcommMuxer& aMuxer, 
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													 TUint8 aAddr, 
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												     TInt aLen, 
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#ifdef _DEBUG
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												     TUint8 aCredit,
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#else
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												     TUint8 /*aCredit*/,
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#endif
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												     CRfcommSAP* aSAP)
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	/**
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	   Returns a new data (UIH) frame for the specified DLCI
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	   The C/R bit for the UIH frame is always 1 for the initiator and
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	   0 for the responder, which is the same as for commands.
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	**/
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	{
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	LOG_FUNC
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	__ASSERT_DEBUG(!aCredit, Panic(ERfcommUnexpectedCBFCCredit));
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	CRfcommDataFrame* frm=NULL;
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	TRAPD(err, frm=CRfcommDataFrame::NewL(aLen, aMuxer, aSAP));
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	if(!err)
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		{
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		frm->SetAddress(aAddr);
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		frm->SetControl(KUIHCtrlField);
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		}
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	return frm;	//	NB should be NULL if CRfcommDataFrame was not created
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	}
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TBool TRfcommFlowStrategyInitial::CanProcessNewData(const TBool aAllowProcessNewData) const
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	/**
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	  If a SAP's buffer becomes too full, then that SAP will cause the muxer
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	  to block any further intake of data. 'aSAPNoFreeSpaceMask' points to the
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	  relevant muxer flag.
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	**/
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	{
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	LOG_FUNC
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	return aAllowProcessNewData;
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	}
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void TRfcommFlowStrategyInitial::DecodeLength(TBool /*aCBFC*/, 
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										 	  TDesC8& /*aPacket*/, 
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											  TInt& /*aCreditBuffer*/, 
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											  TInt& /*aHeaderLengthBuffer*/)
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	/**
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	  Do nothing - not CBFC.
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	**/
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	{
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	LOG_FUNC
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	}
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TBool TRfcommFlowStrategyInitial::ProcessDataFrameReviseCredits(CRfcommSAP& /*aSAP*/, 
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													   TBool /*aPoll*/,
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													   TUint8 /*aCredit*/)
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	/**
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	  Not CBFC - return false => do nothing.
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	**/
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	{
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	LOG_FUNC
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	return EFalse;
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	}
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TBool TRfcommFlowStrategyInitial::MSC(CRfcommSAP& aSAP, TUint8 aSignals)
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	/**
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	  Respond to flow control aspects of an MSC signal.
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	**/
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	{
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	LOG_FUNC
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	// Set CTS. We're clear to send if flow control is off so this 
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	// is the inverse of the Flow Control bit
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	aSAP.CTS(!(aSignals & KModemSignalFC));
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	if(aSAP.CTS())
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		{
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		// Unblock ESOCK to try again (which might block again!)
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		return ETrue;
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		}
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	return EFalse;
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	}
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void TRfcommFlowStrategyInitial::UpdateRxFlowControlState(CRfcommSAP& aSAP)
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	/**
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		Do non-CBFC flow control.
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	**/
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	{
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	LOG_FUNC
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	if(aSAP.DataBuffer().Count() + aSAP.Mux()->GetMaxDataSize() <=
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	   aSAP.DataBuffer().Length())
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		{
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		// Let the mux know we can take more data
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		//FC
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		aSAP.Mux()->SetCanHandleData(aSAP, ETrue);
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		}
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	if(aSAP.DataBuffer().Count() <= aSAP.LowTideMark())
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		{
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		if(!aSAP.CTR())
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			{
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			// We should send a flow on since we've sent an off
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			//FC
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			TUint8 signals=aSAP.Signals();
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			signals &= (~KModemSignalFC);
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			TInt result=aSAP.Mux()->SendMSC(aSAP, signals);
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			if(result == KErrNone)
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				{
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				// Update state if we sent it, otherwise don't
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				aSAP.SetSignals(signals);
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				aSAP.CTR(ETrue);
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				}
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			//
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			}
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		}
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	}
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TBool TRfcommFlowStrategyInitial::NewDataReviseCredits(CRfcommSAP& /*aSAP*/, const TDesC8& /*aData*/)
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	/**
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		Do nothing - SAPWise (CBFC) only.
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	**/
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	{
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	LOG_FUNC
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	return ETrue;
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	}
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void TRfcommFlowStrategyInitial::NewData(CRfcommSAP& aSAP)
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	/**
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		Deal with flow control when new data is coming in and CBFC is not on.
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	**/
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	{
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	LOG_FUNC
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	if(aSAP.DataBuffer().Count() + aSAP.Mux()->GetMaxDataSize() >=
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	   aSAP.DataBuffer().Length())
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		/**
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			N.B. CircularBuffers: Length() is MaxLength() and Count() is Length()!
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		**/
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		{
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		//Tell the mux we canna take any more, capt'n
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		aSAP.Mux()->SetCanHandleData(aSAP, EFalse);
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		}
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   322
		
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	if(aSAP.DataBuffer().Count() >= aSAP.HighTideMark())
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		{
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		// Now try to send a flow off, if we haven't already
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		if(aSAP.CTR())
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			{
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			//FC
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			TUint8 signals=aSAP.Signals();
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			signals |= KModemSignalFC;
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			TInt result=aSAP.Mux()->SendMSC(aSAP, signals);
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			if(result == KErrNone)
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   333
				{
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				// we sent it, so update state
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				aSAP.SetSignals(signals);
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diff changeset
   336
				aSAP.CTR(EFalse);
29b1cd4cb562 Revision: 200951_001
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parents:
diff changeset
   337
				}
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   338
			//
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   339
			}
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   340
		}
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   341
	return;
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   342
	}
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   343
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   344
CRfcommFlowStrategyFactory::TFlowStrategies TRfcommFlowStrategyInitial::FlowType()
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   345
	{
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   346
	LOG_FUNC
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   347
	return CRfcommFlowStrategyFactory::EFlowInitial;
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   348
	}
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   349
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   350
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   351
TRfcommFlowStrategyCreditBased::TRfcommFlowStrategyCreditBased(CRfcommFlowStrategyFactory* aFactory)
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   352
:TRfcommFlowStrategyInitial(aFactory) 
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   353
	{
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   354
	LOG_FUNC
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   355
	}
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   356
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   357
TRfcommFlowStrategyCreditBased::~TRfcommFlowStrategyCreditBased()
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   358
	{
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   359
	LOG_FUNC
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   360
	}
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   361
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   362
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   363
TInt TRfcommFlowStrategyCreditBased::DataBufferMultiple()
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   364
	{
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   365
	LOG_FUNC
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   366
	return KRfcommSAPCBFCBufferMultiple;
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   367
	};
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   368
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   369
TUint16 TRfcommFlowStrategyCreditBased::UsableMTU(const CRfcommSAP& aSAP, TUint8 aCredit) const
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   370
	/**
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   371
	  Available frame space for data
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   372
	**/
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   373
	{
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   374
	LOG_FUNC
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   375
	__ASSERT_DEBUG(aSAP.NegotiatedMTU(), Panic(ERfcommBadCalculatedMTU));
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   376
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   377
	//Allow for possible credit in header.
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   378
	return (STATIC_CAST(TUint16, (aSAP.NegotiatedMTU() - (aCredit?1:0))));
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   379
	}
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   380
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   381
TBool TRfcommFlowStrategyCreditBased::AllowWrite(CRfcommSAP& aSAP)
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   382
	/**
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   383
	**/
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   384
	{
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   385
	LOG_FUNC
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   386
	return aSAP.LocalCredit();
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   387
	}
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   388
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   389
TBool TRfcommFlowStrategyCreditBased::AllowFCOnOff(TBool aCommand)
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   390
	/**
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   391
	  Allow responses only. Do not transmit an 'FC On/Off' command.
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   392
	  (not be confused with FC bit in an MSC command!)
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   393
	**/
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   394
	{
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   395
	LOG_FUNC
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   396
	return !aCommand; //N.B. Reverse logic - if command then return 'EFalse'
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   397
	}
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   398
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   399
TUint8 TRfcommFlowStrategyCreditBased::WriteCredit(CRfcommSAP& aSAP)
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   400
	/**
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   401
	  Return number of CBFC credits to send in UIH frame
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   402
	**/
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   403
	{
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   404
	LOG_FUNC
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   405
	return aSAP.FreeCredit();
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   406
	}
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   407
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   408
void TRfcommFlowStrategyCreditBased::OutgoingMSCReviseSignals(TBool aCommand, TUint8& aSignals)
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   409
	/**
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   410
	  There is a bit that when zero => CTS should be set to true. 
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   411
	  For CBFC this bit must always be zero if we are sending a command. 
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   412
	  Thus we are masking that part of an MSC command which tells the remote 
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   413
	  to switch its CTS off (and so stop sending). 
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   414
	  Required by SPEC.
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   415
	**/
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   416
	{
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   417
	LOG_FUNC
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   418
	if(aCommand)
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   419
		aSignals &= (~KModemSignalFC);
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   420
	}
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   421
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   422
void TRfcommFlowStrategyCreditBased::ReviseDonatedCredits(CRfcommSAP& aSAP, TUint8 aCredit)
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   423
	/**
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   424
	  Revise proxy credit (our knowledge of remote credit) upwards by 'aCredit'.
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   425
	**/
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   426
	{
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   427
	LOG_FUNC
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   428
	//credit change
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   429
	//Increase proxy credit by 'aCredit'.
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   430
	aSAP.ProxyForRemoteCreditAddCredit(aCredit);
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   431
	}
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   432
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   433
void TRfcommFlowStrategyCreditBased::ReviseTransmittedCredits(CRfcommSAP& aSAP)
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   434
	/**
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   435
	  Revise our own credits downward by one.
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   436
	  Revise proxy credit (our knowledge of remote credit) upwards by 'aCredit'.
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   437
	**/
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   438
	{
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   439
	LOG_FUNC
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   440
	//Decrement allowed transmission credits.
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   441
	aSAP.LocalCreditDecrement();
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   442
	}
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   443
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   444
CRfcommDataFrame* TRfcommFlowStrategyCreditBased::NewDataFrame(CRfcommMuxer& aMuxer, 
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   445
												   TUint8 aAddr, 
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   446
												   TInt aLen, 
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   447
												   TUint8 aCredit,
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   448
												   CRfcommSAP* aSAP)
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   449
	/**
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   450
	   Returns a new data (UIH) frame for the specified DLCI
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   451
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   452
	   The C/R bit for the UIH frame is always 1 for the initiator and
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   453
	   0 for the responder, which is the same as for commands.
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   454
	**/
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   455
	{
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   456
	LOG_FUNC
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   457
	CRfcommDataFrame* frm=NULL;
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   458
	TInt err = 0;
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   459
	if(aCredit)
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   460
		{
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   461
		TRAP(err, frm=CRfcommCreditDataFrame::NewL(aLen, aMuxer, aSAP));
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   462
		if(!err)
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   463
			{
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   464
			frm->SetAddress(aAddr);
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   465
			frm->SetControl(KUIHCBFCCtrlField); //FIXME - redone later
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   466
			((CRfcommCreditDataFrame*)frm)->SetCredit(aCredit);
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   467
			}
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   468
		}
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   469
	else
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   470
		{
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   471
		TRAP(err, frm=CRfcommDataFrame::NewL(aLen, aMuxer, aSAP));
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   472
		if(!err)
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   473
			{
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   474
			frm->SetAddress(aAddr);
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   475
			frm->SetControl(KUIHCtrlField); //FIXME - redone later ... Poll bit always 0 for UIH
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   476
			}
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   477
		}
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   478
	return frm;	//	NB should be NULL if CRfcommDataFrame was not created
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   479
	}
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   480
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   481
TBool TRfcommFlowStrategyCreditBased::CanProcessNewData(const TBool /*aAllowProcessNewData*/) const
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   482
	/**
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   483
	  CBFC is on (=>SAP wise flow control). This function is for MUX wide 
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   484
	  flow control, and so should ignore all flags and never block here.
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   485
	**/
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   486
	{
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   487
	LOG_FUNC
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   488
	return ETrue;
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   489
	}
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   490
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   491
void TRfcommFlowStrategyCreditBased::DecodeLength(TBool aCBFC, 
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   492
											      TDesC8& aPacket, 
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   493
											      TInt& aCreditBuffer, 
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   494
											      TInt& aHeaderLengthBuffer)
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   495
	/**
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   496
		Provides the credit buffer with the sent credit, and revises the
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   497
		header length buffer to take credit byte into account.
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   498
	**/
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   499
	{
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   500
	LOG_FUNC
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   501
	TInt cIndex = ((aPacket)[2] & 1)?3:4;
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   502
	if (aCBFC)
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   503
		{
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   504
		aCreditBuffer = aPacket[cIndex];
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   505
		aHeaderLengthBuffer++;	// data is 1 byte smaller
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   506
		LOG1(_L("RFCOMM: Incoming packet: value in credit field is %d"), aCreditBuffer);
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   507
		}
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   508
	else
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   509
		{
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   510
		LOG(_L("RFCOMM: No credit field in incoming packet"));
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   511
		}
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   512
	}
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   513
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   514
TBool TRfcommFlowStrategyCreditBased::ProcessDataFrameReviseCredits(CRfcommSAP& aSAP, 
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   515
													   TBool aPoll,
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   516
													   TUint8 aCredit)
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   517
	/**
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   518
	   Add 'aCredit' (discovered in incoming data frame)to our credit.
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   519
	   If as a result we have credits when non had previously existed, 
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   520
	   return true to unblock SAP.
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   521
	**/
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   522
	//credit change
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   523
	{
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   524
	LOG_FUNC
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   525
	LOG(_L("CRfcommFlowSAPWise::ProcessDataFrameReviseCredits"));
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   526
	if (aPoll)
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   527
		{
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   528
		TBool isUnblock = (!(aSAP.LocalCredit()) && aCredit)?ETrue:EFalse;
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   529
		aSAP.LocalCreditAddCredit(aCredit);
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   530
		if (isUnblock)
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   531
			{
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   532
			LOG(_L("RFCOMM: Transmit credit was zero."));
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   533
			if (aSAP.SendBlocked() & CRfcommSAP::EBlockedByMux)
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   534
				{
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   535
				return ETrue;
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   536
				}
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   537
			}
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   538
		}
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   539
	else
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   540
		{
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   541
		LOG(_L("RFCOMM: Data with no Tx Credit"));
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   542
		}
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   543
	return EFalse;
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   544
	}
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   545
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   546
TBool TRfcommFlowStrategyCreditBased::MSC(CRfcommSAP& aSAP, TUint8 /*aSignals*/)
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   547
	/**
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   548
	  "Clear To Send" must be set to true. Flow control is handled
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   549
	  only by credits. See "AllowWrite()".
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   550
	**/
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   551
	{
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   552
	LOG_FUNC
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   553
	aSAP.CTS(ETrue);
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   554
	return ETrue;
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   555
	}
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   556
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   557
void TRfcommFlowStrategyCreditBased::UpdateRxFlowControlState(CRfcommSAP& aSAP)
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   558
	/**
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   559
	  Donate credits if possible when data is read off SAPs ring buffer.
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   560
	  Note: Function was called Read() originally, but actually is independent
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   561
	  of anything to do with reading.
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   562
	**/
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   563
	{
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   564
	LOG_FUNC
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   565
	if(aSAP.ProxyForRemoteCredit() <= KRfcommCreditsLowWaterMark)
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   566
		{
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   567
		TUint8 spareCredits = aSAP.FreeCredit();
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   568
		if (spareCredits && spareCredits>=aSAP.ProxyForRemoteCredit())
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   569
			{// We've got a worth while no. of credits to forward. Do a donation.
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   570
			aSAP.Mux()->Donate(aSAP, spareCredits);	// send an empty frame with credits
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   571
			}
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   572
		}
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   573
	LOG2(_L("RFCOMM: After: RxCr %d, ReUsed (or Free) %d"), aSAP.ProxyForRemoteCredit(), aSAP.FreeCreditCalculation());
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   574
	}
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   575
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   576
TBool TRfcommFlowStrategyCreditBased::NewDataReviseCredits(CRfcommSAP& aSAP, const TDesC8& aData)
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   577
	/**
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   578
		Revise proxy credit downwards by one if a frame has arrived containing 
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   579
		new data.
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   580
	**/
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   581
	//credit change
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   582
	{
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   583
	LOG_FUNC
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   584
	if (aData.Length() > 0)
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   585
		{
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   586
		if (aSAP.ProxyForRemoteCredit() == 0)
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   587
			{
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   588
			// got to disconnect cos they're ignoring our credits
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   589
			LOG(_L("RFCOMM: Data received with 0 receive credit"));
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   590
			return EFalse;
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   591
			}
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   592
		else
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   593
			{
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   594
			// update remote transmit credit proxy
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   595
			aSAP.ProxyForRemoteCreditDecrement();
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   596
			}
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   597
		}
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   598
	return ETrue;
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   599
	}
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   600
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   601
void TRfcommFlowStrategyCreditBased::NewData(CRfcommSAP& aSAP)
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   602
	/**
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   603
		If other side have run out of credits, check that we really
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   604
		don't have any to send them. This should rarely happen, as
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   605
		NotifyNewData tries to forward credits before they run out.
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   606
	**/
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   607
	{
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   608
	LOG_FUNC
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   609
	if (aSAP.ProxyForRemoteCredit() == 0)
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   610
		{// they have run out! See if we have any credits
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   611
		TUint8 spareCredits = aSAP.FreeCredit();
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   612
		if(spareCredits)
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   613
			{// got some credits! Send them.
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   614
			aSAP.Mux()->Donate(aSAP, spareCredits);	// an empty frame with credits
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   615
			}
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   616
		}
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   617
	return;
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   618
	}
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   619
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   620
CRfcommFlowStrategyFactory::TFlowStrategies TRfcommFlowStrategyCreditBased::FlowType()
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   621
	{
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   622
	LOG_FUNC
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   623
	return CRfcommFlowStrategyFactory::EFlowCreditBased;
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   624
	}
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   625
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   626
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   627
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   628
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   629
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   630
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   631
TRfcommFlowStrategyNonCreditBased::TRfcommFlowStrategyNonCreditBased(CRfcommFlowStrategyFactory* aFactory)
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   632
:TRfcommFlowStrategyInitial(aFactory) 
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   633
	{
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   634
	LOG_FUNC
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   635
	}
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   636
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   637
TRfcommFlowStrategyNonCreditBased::~TRfcommFlowStrategyNonCreditBased()
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   638
	{
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   639
	LOG_FUNC
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   640
	}
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   641
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   642
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   643
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   644
TInt TRfcommFlowStrategyNonCreditBased::PNConvergenceLayer(TBool /*aCommand*/)
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   645
	/**
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   646
	  Always allow 'FC On/Off'.
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   647
	**/
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   648
	{
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   649
	LOG_FUNC
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   650
	return 0x00;
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   651
	}
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   652
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   653
TUint8 TRfcommFlowStrategyNonCreditBased::PNFinalOctet()
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   654
	/**
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   655
	  Return 0.
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   656
	**/
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   657
	{
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   658
	LOG_FUNC
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   659
	return 0x00;
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   660
	}
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   661
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   662
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   663
CRfcommFlowStrategyFactory::TFlowStrategies TRfcommFlowStrategyNonCreditBased::FlowType()
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   664
	{
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   665
	LOG_FUNC
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   666
	return CRfcommFlowStrategyFactory::EFlowNonCreditBased;
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   667
	}
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   668