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//
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// * Copyright 2004 Neusoft America Inc.
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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 the 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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// * Contributors:
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// * Keith Collins (Neusoft America Inc.) original software development and additional code and modifications.
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// * Thomas Gahagen (Neusoft America Inc.) additional code and modifications.
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// * Zhen Yuan (Neusoft America Inc.) additional code and modifications.
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// *
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// * Description: The CChannelMgrBase class defines a single 3GPP 27.010 based logical channel
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// * called DLC. This base class is inherited by derived control and data channel
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// * classes which add specific channel type behavior.
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//
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// ChannelMgrBase.cpp
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/** @file ChannelMgrBase.cpp
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*
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*/
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#include "ChannelMgrBase.h"
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#include "CsyMsgBufBpFrame.h"
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#include "PortC32Interface.h"
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#include "Mux0710Protocol.h"
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#include "CsyDebugLogger.h"
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#include "CommFrameWriterAo.h"
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CChannelMgrBase::CChannelMgrBase(const TUint8 aDlcNum,
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CPortFactory& aPortFactory,
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CMux0710Protocol& aMux0710Protocol)
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: iV24Signals(0x0D),
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iDlcNum(aDlcNum),
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#ifndef __CSY_PROTOTYPE__
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iChannelState(ECsyChannelStateDisconnected),
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#else
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iChannelState(ECsyChannelStateConnected),
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#endif
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iPortFactory(aPortFactory),
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iPortC32Interface(NULL),
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#ifndef __CSY_PROTOTYPE__
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iMux0710Protocol(aMux0710Protocol),
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#else
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iMux0710Protocol(aMux0710Protocol),
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iChannelReady(ETrue),
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iInitFinished(ETrue),
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#endif
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iModemAllowedToSendFrames(EFlowControlOff)
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/**
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* Constructor.
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* @param aDlcNum - DLC number for the channel
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* @param aPortFactory - Reference to port factory
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* @param aMux0710Protocol - Reference to the Mux 27.010 object
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*/
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{
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}
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CChannelMgrBase::~CChannelMgrBase()
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/**
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* Destructor. Delete all resources and memory allocated by this object.
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*/
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{
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_LOG_L4C1("CChannelMgrBase::~CChannelMgrBase");
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delete iChannelObserverAo;
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delete iTimeouter;
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}
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void CChannelMgrBase::ConstructL()
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/**
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* Create any instances and allocate any memory used by this object.
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*/
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{
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_LOG_L4C1("CChannelMgrBase::ConstructL");
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iChannelObserverAo = CChannelObserverAo::NewL();
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CActiveScheduler::Add(iChannelObserverAo);
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iTimeouter = CActiveTimeouter::NewL(*this);
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iTimeoutVal = KOneSecond;
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iTxCountLimit = 10;
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}
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TDes8& CChannelMgrBase::RefToMsgBuffer()
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/**
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* This method returns a pointer to the message buffer to use
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* to format a message to send to the baseband.
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*
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* @return pointer
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*/
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{
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// only one buffer is available for messages to the baseband
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return iDataToSendToModem;
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}
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void CChannelMgrBase::ProcessRecvFrame(CCsyMsgBufBpFrame* aBpFrame)
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/**
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* This method is called to process a frame that was received
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*
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* @param aBpFrame - Pointer to the frame buffer
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*/
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{
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if (aBpFrame->GetFrameType() != KCsy0710CTLUIH)
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ProcessNonUihRecvFrame(aBpFrame);
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else
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ProcessRecvUihFrame(aBpFrame);
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}
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TInt CChannelMgrBase::PlaceOnOutboundQueue()
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/**
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* This method is called to process the "to baseband Message Q" event
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* for the channel. This event indicates that there is a message
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* that needs to be sent to the baseband.
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*/
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{
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_LOG_L4C2(">>CChannelMgrBase::PlaceOnOutboundQueue [iDlcNum=%d]",iDlcNum);
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TInt ret = KErrNone;
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if (iCsyAllowedToSendFrames == EFlowControlOn)
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{
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_LOG_L4C1("Csy -> modem flow control = ON");
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iDelayedWriteToModem = ETrue;
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// We cannot fragment and place it on the write queue yet since
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// flow control in the direction of Csy to modem is set to ON.
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_LOG_L4C1("<<CChannelMgrBase::PlaceOnOutboundQueue - write delayed");
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return KErrNone;
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}
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if (iChannelState != ECsyChannelStateConnected)
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{
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// this should not happen (should be caught by flow control above)
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// MAF __ASSERT_DEBUG(EFalse,PANIC(KPanicIllegalState));
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_LOG_L4C1("<<CChannelMgrBase::PlaceOnOutboundQueue - write ignored");
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return KErrNone;
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}
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ret = iMux0710Protocol.Create0710DataFrames(iDataToSendToModem, iDlcNum);
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_LOG_L4C2("<<CChannelMgrBase::PlaceOnOutboundQueue [ret=%d]",ret);
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return ret;
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}
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void CChannelMgrBase::WriteCancel()
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/**
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* The client has requested the write by this DLC be cancelled.
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*/
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{
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_LOG_L4C1(">>CChannelMgrBase::WriteCancel");
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if (iDelayedWriteToModem)
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{
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_LOG_L4C1("Delayed write has been cancelled");
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iDelayedWriteToModem = EFalse;
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}
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_LOG_L4C1("Remove any frames on write queue");
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// remove any frames (if any exist) from the writer Ao and
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// place them on the free queue
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CCommFrameWriterAo* writer = iPortFactory.GetCommWriterAo();
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writer->RemoveAnyDlcFramesOnWriteList(iDlcNum, EFalse);
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writer->RemoveAnyDlcFramesFromWaitList(iDlcNum, EFalse);
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_LOG_L4C1("<<CChannelMgrBase::WriteCancel");
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}
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TInt CChannelMgrBase::Connect()
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/**
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* Request to connect the channel. If the channel state is not "Connected"
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* then issue a SABM frame and change the channel state to "Connecting".
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*
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* @return KErrNone or KErrGeneral
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*/
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{
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_LOG_L4C3(">>CChannelMgrBase::Connect [iDlcNum=%d,iChannelState=%d]",
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iDlcNum,iChannelState);
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TInt ret = KErrNone;
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if (iChannelState != ECsyChannelStateConnected)
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{
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_LOG_L4C1("Dlc is not currently connected");
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ret = iMux0710Protocol.Create0710ControlFrame(CMux0710Protocol::ESABM, iDlcNum);
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if (ret == KErrNone)
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{
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iChannelState = ECsyChannelStateConnecting;
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iInitFinished = EFalse;
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iTimeouter->Stop();
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iTimeouter->Start(iTimeoutVal);
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iTxCount = iTxCountLimit;
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}
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else
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{
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_LOG_L1C1("** Cannot send SABM **");
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}
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}
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else
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{
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_LOG_L2C1("** Ignored Connect **");
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ret = KErrGeneral;
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}
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_LOG_L4C2("<<CChannelMgrBase::Connect [ret=%d]",ret);
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return ret;
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}
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TInt CChannelMgrBase::ParameterNegotiate()
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/**
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* Request to parameter negotiation for the channel. If the channel state is not
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* "Connected" then issue a UIH frame and with the parameter negotiation.
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*
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* @return KErrNone or KErrGeneral
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*/
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{
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_LOG_L4C3(">>CChannelMgrBase::ParameterNegotiate [iDlcNum=%d,iChannelState=%d]",
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iDlcNum,iChannelState);
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TInt ret = KErrNone;
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if (iChannelState != ECsyChannelStateConnected)
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{
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_LOG_L4C1("Dlc is not currently connected");
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if (iMux0710Protocol.Create0710ControlFrame(CMux0710Protocol::EUIH, iDlcNum) == KErrNone)
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{
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iChannelState = ECsyChannelStateParameterNegotiating;
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iTimeouter->Stop();
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iTimeouter->Start(iTimeoutVal);
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iTxCount = iTxCountLimit;
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}
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else
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{
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_LOG_L1C1("** Cannot send EUIH Param Neg. **");
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ret = KErrGeneral;
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}
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}
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else
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{
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_LOG_L2C1("** Ignored ParameterNegotiate **");
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}
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_LOG_L4C2("<<CChannelMgrBase::ParameterNegotiate [ret=%d]",ret);
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return ret;
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}
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TInt CChannelMgrBase::Disconnect()
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/**
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* Request to disconnect the channel. If the channel is not "Disconnected"
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* then issue a DISC frame and change the channel state to "Disconnecting".
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*
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* @return KErrNone or error code
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*/
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{
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_LOG_L4C3(">>CChannelMgrBase::Disconnect [iDlcNum=%d,iChannelState=%d]",
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iDlcNum,iChannelState);
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TInt ret = KErrNone;
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if (iChannelState == ECsyChannelStateConnected)
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{
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_LOG_L4C1("Dlc is currently connected");
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if (iMux0710Protocol.Create0710ControlFrame(CMux0710Protocol::EDISC, iDlcNum) == KErrNone)
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{
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iChannelState = ECsyChannelStateDisconnecting;
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_LOG_L1C2("** Setting Channel Ready to False for DLC %d **",iDlcNum);
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iChannelReady = EFalse;
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iTimeouter->Stop();
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// Allow time for the channel to disconnect...
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User::After(1);
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}
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else
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{
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_LOG_L1C1("** Cannot send EDISC **");
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ret = KErrGeneral;
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}
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}
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else if (iChannelState == ECsyChannelStateTransmitError)
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{
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_LOG_L2C1("** Disconnect request for channel with transmit error **");
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ret = KErrNone;
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}
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else
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{
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_LOG_L2C1("** Ignored disconnect **");
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ret = KErrGeneral;
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}
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_LOG_L4C2("<<CChannelMgrBase::Disconnect [ret=%d]",ret);
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return ret;
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}
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void CChannelMgrBase::ProcessNonUihRecvFrame(CCsyMsgBufBpFrame* aBpFrame)
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/**
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* This method is called to process a Non-UIH frame which the channel
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* has received from the baseband for the channel.
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*
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* @param aBpFrame - Pointer to the received Non-UIH frame
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*/
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{
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_LOG_L4C2(">>CChannelMgrBase::ProcessNonUihRecvFrame [iDlcNum=%d]", iDlcNum);
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TUint8 frameType = aBpFrame->GetFrameType();
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iMux0710Protocol.AddFrameFreeQ(aBpFrame);
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switch (frameType)
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{
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case KCsy0710CTLSABM:
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_LOG_L4C1("SABM");
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// MAF we should respond to this
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break;
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case KCsy0710CTLUA:
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{
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_LOG_L4C1("UA");
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iTimeouter->Stop();
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if (iChannelState == ECsyChannelStateConnecting)
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{
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_LOG_L4C1("SABM received by remote end - send MSC command");
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if (SendMscCommand(iV24Signals) == KErrNone)
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iChannelState = ECsyChannelStateMSCsent;
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}
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else if (iChannelState == ECsyChannelStateDisconnecting)
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{
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_LOG_L4C2("Channel disconnected %d", iDlcNum);
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iChannelState = ECsyChannelStateDisconnected;
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if (iPortFactory.DecrementNumOfOpenPorts())
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{
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NotifyChannelReady();
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}
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}
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}
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break;
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case KCsy0710CTLDM: // 0x0F
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_LOG_L4C1("DM");
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break;
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case KCsy0710CTLDISC: // 0x43
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_LOG_L4C1("DISC");
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// MAF we should respond to this
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break;
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case KCsy0710CTLUIH:
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case KCsy0710CTLUI:
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// MAF __ASSERT_DEBUG(EFalse,PANIC(KPanicIllegalState)); here
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break;
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default:
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_LOG_L1C2("** Unknown FrameType = 0x%02x **", frameType);
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break;
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}
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_LOG_L4C1("<<CChannelMgrBase::ProcessNonUihRecvFrame");
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}
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|
363 |
TInt CChannelMgrBase::SendMscCommand(TUint8 aV24Signals)
|
|
|
364 |
/**
|
|
|
365 |
* Sends an MSC command
|
|
|
366 |
*
|
|
|
367 |
* @param aV24Signals
|
|
|
368 |
* @return error if failed to send
|
|
|
369 |
*/
|
|
|
370 |
{
|
|
|
371 |
_LOG_L4C2(">>CChannelMgrBase::SendMscCommand [aV24Signals=0x%02x]",
|
|
|
372 |
aV24Signals);
|
|
|
373 |
|
|
|
374 |
if (iMscReplyExpected)
|
|
|
375 |
{
|
|
|
376 |
_LOG_L4C1("<<CChannelMgrBase::SendMscCommand - already doing MSC");
|
|
|
377 |
return KErrNotReady;
|
|
|
378 |
}
|
|
|
379 |
|
|
|
380 |
// Keep the signals in case of resend
|
|
|
381 |
iV24Signals = aV24Signals;
|
|
|
382 |
TInt ret = iMux0710Protocol.Create0710ControlFrame(
|
|
|
383 |
CMux0710Protocol::EUIH, iDlcNum, CMux0710Protocol::EMSC, iV24Signals);
|
|
|
384 |
|
|
|
385 |
if (ret != KErrNone)
|
|
|
386 |
{
|
|
|
387 |
_LOG_L1C1("** Could not send MSC command **");
|
|
|
388 |
}
|
|
|
389 |
else
|
|
|
390 |
{
|
|
|
391 |
iTimeouter->Stop();
|
|
|
392 |
iTimeouter->Start(iTimeoutVal);
|
|
|
393 |
iTxCount = iTxCountLimit;
|
|
|
394 |
iMscReplyExpected = ETrue;
|
|
|
395 |
}
|
|
|
396 |
|
|
|
397 |
_LOG_L4C2("<<CChannelMgrBase::SendMscCommand [ret=%d]",ret);
|
|
|
398 |
return ret;
|
|
|
399 |
}
|
|
|
400 |
|
|
|
401 |
void CChannelMgrBase::MscReceived(TUint8 aV24Signals)
|
|
|
402 |
/**
|
|
|
403 |
* Processes a received MSC command
|
|
|
404 |
*
|
|
|
405 |
* @param aV24Signals
|
|
|
406 |
*/
|
|
|
407 |
{
|
|
|
408 |
_LOG_L4C2(">>CChannelMgrBase::MscReceived [aV24Signals=0x%x]",
|
|
|
409 |
aV24Signals);
|
|
|
410 |
|
|
|
411 |
if (!iMscReplyExpected)
|
|
|
412 |
{
|
|
|
413 |
_LOG_L2C1("*** Not expecting MscReceived? ***");
|
|
|
414 |
return;
|
|
|
415 |
}
|
|
|
416 |
|
|
|
417 |
iMscReplyExpected = EFalse;
|
|
|
418 |
iTimeouter->Stop();
|
|
|
419 |
|
|
|
420 |
if (iChannelState == ECsyChannelStateMSCsent)
|
|
|
421 |
{
|
|
|
422 |
_LOG_L4C1("MSC cmd part of start up sequence");
|
|
|
423 |
iChannelState = ECsyChannelStateWaitingForChannelReady;
|
|
|
424 |
|
|
|
425 |
//different type of channel may need different init process.
|
|
|
426 |
if (iPortC32Interface)
|
|
|
427 |
{
|
|
|
428 |
#ifdef _27010ADVANCEOPTION
|
|
|
429 |
if (iPortC32Interface->GetClientType() == CPortFactory::EC32ClientIpNif)
|
|
|
430 |
{
|
|
|
431 |
_LOG_L4C1(" IpNif Channel Initialized");
|
|
|
432 |
// Don't need to wait for AT command interpreter ready since not AT
|
|
|
433 |
iChannelState = ECsyChannelStateConnected;
|
|
|
434 |
NotifyChannelReady();
|
|
|
435 |
ModemAndCsyToClientFlowCtrl(EFlowControlOff);
|
|
|
436 |
}
|
|
|
437 |
#endif
|
|
|
438 |
}
|
|
|
439 |
else
|
|
|
440 |
{
|
|
|
441 |
// Command channel
|
|
|
442 |
iChannelState = ECsyChannelStateConnected;
|
|
|
443 |
NotifyChannelReady();
|
|
|
444 |
}
|
|
|
445 |
}
|
|
|
446 |
|
|
|
447 |
if ((iDlcNum)&&(iV24Signals != aV24Signals))
|
|
|
448 |
{
|
|
|
449 |
_LOG_L4C3("Data Dlc - Response different to sent [%x != %x]",
|
|
|
450 |
iV24Signals, aV24Signals);
|
|
|
451 |
|
|
|
452 |
ReceivedV24Signals(aV24Signals);
|
|
|
453 |
}
|
|
|
454 |
|
|
|
455 |
_LOG_L4C1("<<CChannelMgrBase::MscReceived");
|
|
|
456 |
}
|
|
|
457 |
|
|
|
458 |
void CChannelMgrBase::ModemAndCsyToClientFlowCtrl(const TFlowControl aFlowControl)
|
|
|
459 |
/**
|
|
|
460 |
* Set the channel's flow control to the specified value.
|
|
|
461 |
* Update the associate port object's flow control if the port object
|
|
|
462 |
* exists.
|
|
|
463 |
*
|
|
|
464 |
* @param aFlowControl - New flow control state
|
|
|
465 |
*/
|
|
|
466 |
{
|
|
|
467 |
_LOG_L4C3(">>CChannelMgrBase::ModemAndCsyToClientFlowCtrl [aFlowControl=%d,iDlcNum=%d]",
|
|
|
468 |
aFlowControl,iDlcNum);
|
|
|
469 |
|
|
|
470 |
iCsyAllowedToSendFrames = aFlowControl;
|
|
|
471 |
if ((aFlowControl == EFlowControlOff)&&(iDelayedWriteToModem))
|
|
|
472 |
{
|
|
|
473 |
_LOG_L4C1("Flow control now OFF - delayed frame to send");
|
|
|
474 |
|
|
|
475 |
TInt ret = iMux0710Protocol.Create0710DataFrames(iDataToSendToModem, iDlcNum);
|
|
|
476 |
if (ret)
|
|
|
477 |
{
|
|
|
478 |
_LOG_L1C2("** Fragmentation failed [ret=%d] **",ret);
|
|
|
479 |
}
|
|
|
480 |
else
|
|
|
481 |
{
|
|
|
482 |
_LOG_L4C1("Delayed write placed on write queue");
|
|
|
483 |
iDelayedWriteToModem = EFalse;
|
|
|
484 |
}
|
|
|
485 |
}
|
|
|
486 |
|
|
|
487 |
CPortC32InterfaceBase* port = GetC32Port();
|
|
|
488 |
if (port)
|
|
|
489 |
port->ModemAndCsyToClientFlowCtrl(aFlowControl);
|
|
|
490 |
else
|
|
|
491 |
{
|
|
|
492 |
_LOG_L2C1("** GetC32Port() returned NULL **");
|
|
|
493 |
}
|
|
|
494 |
|
|
|
495 |
_LOG_L4C1("<<CChannelMgrBase::ModemAndCsyToClientFlowCtrl");
|
|
|
496 |
}
|
|
|
497 |
|
|
|
498 |
void CChannelMgrBase::ReceivedV24Signals(const TUint8 aV24Signals)
|
|
|
499 |
/**
|
|
|
500 |
* Set the channel's signals to the specified value.
|
|
|
501 |
* Update the associate port object's flow control if the port object
|
|
|
502 |
* exists.
|
|
|
503 |
*
|
|
|
504 |
* @param aSignals - new signal state
|
|
|
505 |
*/
|
|
|
506 |
{
|
|
|
507 |
_LOG_L4C3(">>CChannelMgrBase::ReceivedV24Signals [aV24Signals=0x%x,iDlcNum=%d]",
|
|
|
508 |
aV24Signals,iDlcNum);
|
|
|
509 |
|
|
|
510 |
CPortC32InterfaceBase* port = GetC32Port();
|
|
|
511 |
if (port)
|
|
|
512 |
{
|
|
|
513 |
// Flow control
|
|
|
514 |
TFlowControl flowControl = EFlowControlOff;
|
|
|
515 |
|
|
|
516 |
// FC (bit 2)
|
|
|
517 |
if (aV24Signals & 0x02)
|
|
|
518 |
{
|
|
|
519 |
_LOG_L4C2("FC=1 - modem dlc %d unable to accept frames",iDlcNum);
|
|
|
520 |
flowControl = EFlowControlOn;
|
|
|
521 |
_LOG_L4C1("flowControl On (i.e stop flow)");
|
|
|
522 |
|
|
|
523 |
// move frames for this dlc from write list to wait list
|
|
|
524 |
iPortFactory.GetCommWriterAo()->RemoveAnyDlcFramesOnWriteList(iDlcNum);
|
|
|
525 |
}
|
|
|
526 |
else
|
|
|
527 |
{
|
|
|
528 |
// move any frames for this dlc from wait to write list
|
|
|
529 |
iPortFactory.GetCommWriterAo()->RemoveAnyDlcFramesFromWaitList(iDlcNum);
|
|
|
530 |
}
|
|
|
531 |
|
|
|
532 |
ModemAndCsyToClientFlowCtrl(flowControl);
|
|
|
533 |
|
|
|
534 |
port->ReceivedV24Signals(aV24Signals);
|
|
|
535 |
}
|
|
|
536 |
else
|
|
|
537 |
{
|
|
|
538 |
_LOG_L2C1("** GetC32Port() returned NULL **");
|
|
|
539 |
}
|
|
|
540 |
|
|
|
541 |
_LOG_L4C1("<<CChannelMgrBase::ReceivedV24Signals");
|
|
|
542 |
}
|
|
|
543 |
|
|
|
544 |
void CChannelMgrBase::WaitForChannelReady()
|
|
|
545 |
/**
|
|
|
546 |
* This method starts an active object and waits for the channel ready
|
|
|
547 |
* call back signal.
|
|
|
548 |
*/
|
|
|
549 |
{
|
|
|
550 |
_LOG_L4C1(">>CChannelMgrBase::WaitForChannelReady");
|
|
|
551 |
|
|
|
552 |
if (iMux0710Protocol.MaxRetriesReached())
|
|
|
553 |
{
|
|
|
554 |
_LOG_L4C1("Mux Max Retries reached - so skip Channel Ready");
|
|
|
555 |
}
|
|
|
556 |
else
|
|
|
557 |
{
|
|
|
558 |
// kick off an active object and wait for channel ready call back
|
|
|
559 |
if (iChannelReady)
|
|
|
560 |
{
|
|
|
561 |
_LOG_L4C2("iChannelReady=%d",iChannelReady);
|
|
|
562 |
}
|
|
|
563 |
else if (!iChannelObserverAo->IsActive())
|
|
|
564 |
{
|
|
|
565 |
// start the active object. CSY will wait here until channel is ready
|
|
|
566 |
// nest active scheduler is used here as we did not want to block whole thread (reading/writing)
|
|
|
567 |
|
|
|
568 |
iChannelObserverAo->StartWait();
|
|
|
569 |
|
|
|
570 |
// start a nested scheduling; blocks until CActiveScheduler::Stop()
|
|
|
571 |
// is called in DoCancel()
|
|
|
572 |
|
|
|
573 |
// MAF look at use CActiveSchedulerWait instead of this
|
|
|
574 |
|
|
|
575 |
// One basic assumption here is that CSY will process port open request one by one
|
|
|
576 |
// (although there may be mutiple port open requests from clients, c32 will call PortFactory::NewPortL
|
|
|
577 |
// one by one.) This assumption should be valid as it is only one thread for c32
|
|
|
578 |
// if this assumption does not hold, headache follows.
|
|
|
579 |
_LOG_L4C1("Start wait for channel ready");
|
|
|
580 |
|
|
|
581 |
CActiveScheduler::Start();
|
|
|
582 |
_LOG_L4C1("End wait for channel ready");
|
|
|
583 |
}
|
|
|
584 |
else
|
|
|
585 |
{
|
|
|
586 |
_LOG_L4C1("We are here only when others are already waiting");
|
|
|
587 |
}
|
|
|
588 |
}
|
|
|
589 |
_LOG_L4C1("<<CChannelMgrBase::WaitForChannelReady");
|
|
|
590 |
}
|
|
|
591 |
|
|
|
592 |
void CChannelMgrBase::TimedOut()
|
|
|
593 |
/**
|
|
|
594 |
* This method will be called when we have a timeout During receive a reply.
|
|
|
595 |
* It will retransmit if needed.
|
|
|
596 |
*/
|
|
|
597 |
{
|
|
|
598 |
_LOG_L4C1(">>CChannelMgrBase::TimedOut");
|
|
|
599 |
|
|
|
600 |
iTxCount--;
|
|
|
601 |
if (iTxCount > 0) // retransmit
|
|
|
602 |
{
|
|
|
603 |
_LOG_L4C2("iTxCount=%d",iTxCount);
|
|
|
604 |
|
|
|
605 |
TInt ret = KErrNone;
|
|
|
606 |
if (iMscReplyExpected)
|
|
|
607 |
{
|
|
|
608 |
iMscReplyExpected = EFalse;
|
|
|
609 |
ret = SendMscCommand(iV24Signals);
|
|
|
610 |
}
|
|
|
611 |
else
|
|
|
612 |
{
|
|
|
613 |
switch(iChannelState)
|
|
|
614 |
{
|
|
|
615 |
case ECsyChannelStateParameterNegotiating:
|
|
|
616 |
ret = iMux0710Protocol.Create0710ControlFrame(
|
|
|
617 |
CMux0710Protocol::EUIH, iDlcNum, CMux0710Protocol::EParamNeg);
|
|
|
618 |
break;
|
|
|
619 |
case ECsyChannelStateConnecting:
|
|
|
620 |
ret = iMux0710Protocol.Create0710ControlFrame(
|
|
|
621 |
CMux0710Protocol::ESABM, iDlcNum);
|
|
|
622 |
break;
|
|
|
623 |
case ECsyChannelStateDisconnecting:
|
|
|
624 |
ret = iMux0710Protocol.Create0710ControlFrame(
|
|
|
625 |
CMux0710Protocol::EDISC, iDlcNum);
|
|
|
626 |
break;
|
|
|
627 |
default:
|
|
|
628 |
// should never reach here
|
|
|
629 |
_LOG_L1C1("** unexpected receiving timeout **");
|
|
|
630 |
}
|
|
|
631 |
}
|
|
|
632 |
if (ret)
|
|
|
633 |
{
|
|
|
634 |
// Error sending - we shall just wait until the timeout and try again
|
|
|
635 |
_LOG_L1C2("** Error sending on dlc 0 [ret=%d] **",ret);
|
|
|
636 |
}
|
|
|
637 |
iTimeouter->Stop();
|
|
|
638 |
iTimeouter->Start(iTimeoutVal);
|
|
|
639 |
}
|
|
|
640 |
else
|
|
|
641 |
{
|
|
|
642 |
_LOG_L1C1("** Retries expired **");
|
|
|
643 |
if (iMscReplyExpected)
|
|
|
644 |
{
|
|
|
645 |
_LOG_L1C1("** Retries expired for MSC command **");
|
|
|
646 |
iMscReplyExpected = EFalse;
|
|
|
647 |
}
|
|
|
648 |
|
|
|
649 |
// we have problem communication, may need to reset?
|
|
|
650 |
iChannelState = ECsyChannelStateTransmitError;
|
|
|
651 |
NotifyChannelReady();
|
|
|
652 |
}
|
|
|
653 |
|
|
|
654 |
_LOG_L4C1("<<CChannelMgrBase::TimedOut");
|
|
|
655 |
}
|
|
|
656 |
|
|
|
657 |
void CChannelMgrBase::NotifyChannelReady()
|
|
|
658 |
/**
|
|
|
659 |
* This method stops the waiting for a channel.
|
|
|
660 |
*/
|
|
|
661 |
{
|
|
|
662 |
_LOG_L4C1("CChannelMgrBase::NotifyChannelReady");
|
|
|
663 |
|
|
|
664 |
iChannelReady = ETrue;
|
|
|
665 |
iInitFinished = ETrue;
|
|
|
666 |
|
|
|
667 |
// complete the active object if it is running
|
|
|
668 |
if (iChannelObserverAo->IsActive())
|
|
|
669 |
{
|
|
|
670 |
iChannelObserverAo->ChannelReady();
|
|
|
671 |
}
|
|
|
672 |
}
|
|
|
673 |
|
|
|
674 |
TInt CChannelMgrBase::SetCsyToModemFlowControl(TFlowControl aFlowControl)
|
|
|
675 |
/**
|
|
|
676 |
*
|
|
|
677 |
*/
|
|
|
678 |
{
|
|
|
679 |
_LOG_L4C3(">>CChannelMgrBase::SetCsyToModemFlowControl [aFlowControl=%d,iDlcNum=%d]",
|
|
|
680 |
aFlowControl,iDlcNum);
|
|
|
681 |
|
|
|
682 |
TInt ret = KErrNone;
|
|
|
683 |
if (aFlowControl != iModemAllowedToSendFrames)
|
|
|
684 |
{
|
|
|
685 |
TUint8 v24Signals = iV24Signals;
|
|
|
686 |
TBool sendCommand = EFalse;
|
|
|
687 |
if (aFlowControl == EFlowControlOn)
|
|
|
688 |
{
|
|
|
689 |
_LOG_L4C1("aFlowControl = ON");
|
|
|
690 |
if (v24Signals & 0x02)
|
|
|
691 |
{
|
|
|
692 |
_LOG_L4C1("** Flow control already set **");
|
|
|
693 |
}
|
|
|
694 |
else
|
|
|
695 |
{
|
|
|
696 |
v24Signals |= 0x02;
|
|
|
697 |
sendCommand = ETrue;
|
|
|
698 |
}
|
|
|
699 |
}
|
|
|
700 |
else
|
|
|
701 |
{
|
|
|
702 |
_LOG_L4C1("aFlowControl = OFF");
|
|
|
703 |
if (v24Signals & 0x02)
|
|
|
704 |
{
|
|
|
705 |
v24Signals ^= 0x02;
|
|
|
706 |
sendCommand = ETrue;
|
|
|
707 |
}
|
|
|
708 |
else
|
|
|
709 |
{
|
|
|
710 |
_LOG_L4C1("Flow control already off");
|
|
|
711 |
}
|
|
|
712 |
}
|
|
|
713 |
if (sendCommand)
|
|
|
714 |
{
|
|
|
715 |
ret = SendMscCommand(v24Signals);
|
|
|
716 |
if (ret)
|
|
|
717 |
{
|
|
|
718 |
_LOG_L4C1("SendMscCommand failed");
|
|
|
719 |
}
|
|
|
720 |
else
|
|
|
721 |
{
|
|
|
722 |
_LOG_L4C3("Csy to modem flow control changed %d -> %d",
|
|
|
723 |
iModemAllowedToSendFrames,aFlowControl);
|
|
|
724 |
iModemAllowedToSendFrames = aFlowControl;
|
|
|
725 |
}
|
|
|
726 |
}
|
|
|
727 |
}
|
|
|
728 |
|
|
|
729 |
_LOG_L4C2("<<CChannelMgrBase::SetCsyToModemFlowControl [ret=%d]",ret);
|
|
|
730 |
return ret;
|
|
|
731 |
}
|
|
|
732 |
|
|
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733 |
//
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734 |
// class CChannelObserverAo
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735 |
//
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736 |
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737 |
CChannelObserverAo::CChannelObserverAo()
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738 |
: CActive(CActive::EPriorityStandard)
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739 |
/**
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740 |
* Constructor. Pass priority of active object to base class.
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741 |
*
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742 |
*/
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743 |
{}
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744 |
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745 |
CChannelObserverAo* CChannelObserverAo::NewL()
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746 |
/**
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747 |
* This method uses two phase construction and the cleanup stack
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748 |
* to create an instance of class CChannelObserverAo.
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749 |
*
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* @return Pointer to the created instance
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751 |
*/
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752 |
{
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753 |
_LOG_L4C1("CChannelObserverAo::NewL");
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754 |
return new (ELeave) CChannelObserverAo();
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}
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756 |
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757 |
CChannelObserverAo::~CChannelObserverAo()
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758 |
/**
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759 |
* Destructor. Cancel any outstanding request.
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760 |
*/
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761 |
{
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762 |
if (IsActive())
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763 |
Cancel();
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764 |
}
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765 |
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766 |
void CChannelObserverAo::RunL()
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767 |
/**
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768 |
* This method should not be called. Request of this
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769 |
* active object will only be canceled.
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770 |
*/
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771 |
{
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772 |
// MAF __ASSERT_DEBUG(EFalse,PANIC(KPanicIllegalState));
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773 |
_LOG_L1C1("** CChannelObserverAo::RunL() - should not be called **");
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774 |
}
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775 |
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776 |
void CChannelObserverAo::DoCancel()
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777 |
/**
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778 |
* Cancel an outstanding request. This will complete request
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779 |
* with KErrCancel and stop waiting.
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780 |
*/
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781 |
{
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782 |
_LOG_L4C1("CChannelObserverAo::DoCancel");
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783 |
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784 |
iStatus = KErrCancel;
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785 |
TRequestStatus* temp = &iStatus;
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786 |
User::RequestComplete(temp, KErrCancel);
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787 |
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788 |
_LOG_L4C1("CChannelObserverAo stop scheduler");
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789 |
CActiveScheduler::Stop();
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790 |
}
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791 |
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792 |
void CChannelObserverAo::StartWait()
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793 |
/**
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794 |
* Set active and start waiting.
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795 |
*/
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796 |
{
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797 |
_LOG_L4C1("CChannelObserverAo::StartWait");
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798 |
if (!IsActive())
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799 |
{
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800 |
iStatus = KRequestPending;
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801 |
SetActive();
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802 |
}
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803 |
}
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804 |
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805 |
void CChannelObserverAo::ChannelReady()
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806 |
/**
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807 |
* Called when expected event occured to stop waiting.
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808 |
*/
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809 |
{
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810 |
_LOG_L4C1("CChannelObserverAo::ChannelReady");
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811 |
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812 |
// complete current request
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813 |
if (IsActive())
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814 |
{
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815 |
_LOG_L4C1("CChannelObserverAo Active");
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816 |
Cancel();
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817 |
}
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818 |
}
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