// Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies).

// All rights reserved.

// This component and the accompanying materials are made available

// under the terms of "Eclipse Public License v1.0"

// which accompanies this distribution, and is available

// at the URL "http://www.eclipse.org/legal/epl-v10.html".

//

// Initial Contributors:

// Nokia Corporation - initial contribution.

//

// Contributors:

//

// Description:

//

#include <commsdattypesv1_1.h>

#include "ATCONNCT.H"

#include "mSLOGGER.H"

#include "PHONE.H"

#include "CALL.H"

#include "ATNOCARR.H"

#include "NOTIFY.H"

#include "ATIO.H"

//

// Connect to already dialled call

//

CATConnectData* CATConnectData::NewL(CATIO* aIo, CTelObject* aTelObject,CATInit* aInit,CPhoneGlobals* aPhoneGlobals)

	{

	CATConnectData* connect=new(ELeave) CATConnectData(aIo, aTelObject, aInit,aPhoneGlobals);

	CleanupStack::PushL(connect);

	connect->ConstructL();

	CleanupStack::Pop();

	return connect;

	}

CATConnectData::CATConnectData(CATIO* aIo, CTelObject* aTelObject,CATInit* aInit,CPhoneGlobals* aPhoneGlobals)

											: CATDataCallConnectCommands(aIo,aTelObject,aInit,aPhoneGlobals)

	{}

CATConnectData::~CATConnectData()

	{}

void CATConnectData::Start(TTsyReqHandle aTsyReqHandle, TAny* aParams)

	{

	LOGTEXT(_L8("Starting Connect Command"));

	iState=EATInitialising;

	CATDataCallConnectCommands::Start(aTsyReqHandle,aParams);

	}

void CATConnectData::Stop(TTsyReqHandle aTsyReqHandle)

//

//	Send a carriage return to cancel Connect

//

	{

	__ASSERT_ALWAYS(aTsyReqHandle == iReqHandle,Panic(EIllegalTsyReqHandle));

	__ASSERT_ALWAYS(iState!=EATNotInProgress,Panic(EATCommand_NotInProgress));		

	LOGTEXT(_L8("Cancelling Connect Command"));

	RemoveConnectExpectStrings();

	iIo->WriteAndTimerCancel(this);

	if (iState!=EATInitialising)

		{

		Write(KCarriageReturn(),1);

		iState = EATCancellingWaitForWriteComplete;

		iPreConnectState=CATCallConnectCommands::ENotInProgress;	

		}

	else

		{

		AddStdExpectStrings();

		iPreConnectState=CATCallConnectCommands::ECancelling;

		iState = EATNotInProgress;

		}

	}

TInt CATConnectData::AddConnectExpectStrings()

	{

	TInt ret=AddCommonExpectStrings();

	if(ret!=KErrNone)

		return ret;

	if (!iNoDialToneExpectString)

		{

		ret=iPhoneGlobals->iConfiguration->ConfigModemString(TPtrC(KCDTypeNameNoDialTone),iNoDialToneString);

		if(ret!=KErrNone)

			return ret;

		iNoDialToneExpectString=iIo->AddExpectString(this,iNoDialToneString);

		}

	return KErrNone;

	}	

void CATConnectData::RemoveConnectExpectStrings()

	{

	RemoveCommonExpectStrings();

	iIo->RemoveExpectString(iNoDialToneExpectString);

	iNoDialToneExpectString=NULL;

	}

TInt CATConnectData::ValidateConnectExpectString()

	{

	const CCommChatString* foundChatString = iIo->FoundChatString();

	if (foundChatString == iConnectExpectString)

		return KErrNone;

	if (foundChatString == iNoCarrierExpectString)

		return KErrEtelNoCarrier;

	if (foundChatString == iNoDialToneExpectString)

		{

		LOGTEXT(_L8("Modem returned NO DIALTONE in response to dial command"));

		return KErrEtelNoDialTone;

		}

	LOGTEXT(_L8("Modem returned unknown response to connect command"));

	return KErrGeneral;

	}

void CATConnectData::CompleteWithIOError(TEventSource aSource,TInt aStatus)

	{

	if (iState!=EATNotInProgress)

		{

		iState = EATNotInProgress;

		CATCallConnectCommands::CompleteWithIOError(aSource,aStatus);

		}

	}

void CATConnectData::EventSignal(TEventSource aSource)

	{

	if ((aSource==ETimeOutCompletion)&&(iState!=EATSpeedReadComplete)

		&&(iState!=EATCancellingReadCompleted)&&(iState!=EATNotInProgress)

		&&(iPreConnectState!=EATWaitForATCheckOK))

		{

		LOGTEXT(_L8("Timeout Error during Connect"));

		iState = EATNotInProgress;

		Complete(KErrTimedOut,aSource);

		return;

		}

	if (iPreConnectState!=CATCallConnectCommands::EATInitCompleted

		&& iPreConnectState!=CATCallConnectCommands::ENotInProgress)

		{

		CATCallConnectCommands::PreConnectEventSignal(aSource);

		if (iPreConnectState==CATCallConnectCommands::ENotInProgress)	// cancelled

			iState=EATNotInProgress;

		if (iPreConnectState!=CATCallConnectCommands::EATInitCompleted)

			return;

		else 

			iState=EATSendConnectCommand;

		}

	switch(iState)

		{

	case EATSendConnectCommand:

		{

		ChangeLineStatus(RCall::EStatusConnecting);

		// EStatusConnecting always results in KErrNone return

		(void)ChangeCallStatus(RMobileCall::EStatusConnecting);

		iPhoneGlobals->iNotificationStore->CheckNotification(REINTERPRET_CAST(CCallBase*,iTelObject),EBegunConnecting);

		Write(KDialCommand,3);

		iState=EATConnectWaitForWriteComplete;

		}

		break;

	case EATConnectWaitForWriteComplete:

		{

		__ASSERT_ALWAYS(aSource==EWriteCompletion,Panic(EATCommand_IllegalCompletionWriteExpected));

		TInt ret=AddConnectExpectStrings();

		if (ret)

			{

			Complete(ret,aSource);

			break;

			}

		iIo->SetTimeOut(this,(iPhoneGlobals->iPhoneStatus.iWaitForCarrierTime*1000)+KExtraWaitTime);

		iState=EATConnectReadCompleted;

		break;

		}

	case EATConnectReadCompleted:

		__ASSERT_ALWAYS(aSource==EReadCompletion,Panic(EATCommand_IllegalCompletionReadExpected));

			{

			TInt ret=ValidateConnectExpectString();

			RemoveConnectExpectStrings();

			if (ret!=KErrNone)

				{

				iState = EATNotInProgress;

				Complete(ret,aSource);

				}

			iIo->SetTimeOut(this,KTimeForExtraRxData);

			iState=EATSpeedReadComplete;

			}

		break;

	case EATSpeedReadComplete:

		{

		__ASSERT_ALWAYS(aSource==ETimeOutCompletion,Panic(EATCommand_IllegalCompletionWaitExpected));

		iIo->WriteAndTimerCancel(this);

		TInt ret=ParseForBearerCapsResponse();

		iState = EATNotInProgress;

		if (ret!=KErrNone)

			{

			Complete(ret,aSource);

			break;

			}

		ret=ParseForBearerSpeedResponse();

		Complete(ret,aSource);

		}

		break;

	case EATCancellingWaitForWriteComplete:

		{

		__ASSERT_ALWAYS(aSource==EWriteCompletion,Panic(EATCommand_IllegalCompletionWriteExpected));

		TInt ret=AddConnectExpectStrings();

		if (ret)

			{

			Complete(ret,aSource);

			break;

			}

		iIo->SetTimeOut(this);

		iState=EATCancellingReadCompleted;

		}

		break;

	case EATCancellingReadCompleted:

			{

			iState = EATNotInProgress;

			if (aSource==EReadCompletion)

				{

				TInt ret=ValidateConnectExpectString();

				RemoveConnectExpectStrings();

				if (ret==KErrNone)

					{

					Complete(KErrNone,aSource);	// Has connected despite sending CR

					return;

					}

				}

			RemoveConnectExpectStrings();

			Complete(KErrCancel,aSource);

			}

		break;

	default:

		;

		}

	}