/*

 * Copyright (c) 2002-2005 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:   Class for doing asynchronous service.

 *

 */

#include "epos_comasuplprotocolmanager1.h"

#include "epos_csuplcommunicationmanager.h"

#include "epos_csuplsettingsinternal.h"

#include "epos_omasuplconstants.h"

#include "epos_comasuplconnrequestor.h"

#include "epos_momasuplconnobserver.h"

#include "epos_comasupltrace.h"

#include "epos_comasuplfallbackhandler.h"

#include "epos_comasupldialogtimer.h"

_LIT(KTraceFileName,"SUPL_OMA_SESSION::epos_comasuplconnrequestor.cpp");

// ============================ MEMBER FUNCTIONS ===============================

// -----------------------------------------------------------------------------

// COMASuplConnRequestor::COMASuplConnRequestor

// C++ constructor can NOT contain any code, that might leave.

// -----------------------------------------------------------------------------

//

COMASuplConnRequestor::COMASuplConnRequestor(CSuplCommunicationManager& aCommMgr,

        COMASUPLProtocolManager1& aProtoMgr, 

        TUint aPort, 

        MOMASuplConnObserver& aObserver):

        CActive( EPriorityStandard ),

        iCommMgr(aCommMgr), 

        iProtocolManager(aProtoMgr),

        iPort(aPort),

        iObserver( aObserver),    				 						  

        iIapDialogShown(EFalse),

        iIapDlgTimerExpired(EFalse),    				 			            

        {

        }

// -----------------------------------------------------------------------------

// COMASuplConnRequestor::ConstructL

// Symbian 2nd phase constructor can leave.

// -----------------------------------------------------------------------------

//

//void COMASuplConnRequestor::ConstructL(const TDesC8& aHostAddr)

void COMASuplConnRequestor::ConstructL()

    {

    CActiveScheduler::Add( this );

    iTLSAuthenticationFailed = EFalse;

    iSuplSettings = CSuplSettingsInternal::NewL();

    iTrace = COMASuplTrace::NewL();

    iIsHSLPGenerated = EFalse;

    iHslpAddrFromImsiUsed = EFalse;

    iFallBackHandler = COMASuplFallBackHandler::NewL(*iSuplSettings);

    iLastConnectionError = KErrNone;

    iCurrentSLPId = KErrNotFound;

    iDialogTimer = COMASuplDialogTimer::NewL(*this);

    }

// -----------------------------------------------------------------------------

// COMASuplConnRequestor::NewL

// Two-phased constructor.

// -----------------------------------------------------------------------------

//

COMASuplConnRequestor* COMASuplConnRequestor::NewL( CSuplCommunicationManager& aCommMgr,COMASUPLProtocolManager1& aProtoMgr,  

        TUint aPort,MOMASuplConnObserver& aObserver)

    {

    COMASuplConnRequestor* self =  new ( ELeave ) COMASuplConnRequestor(aCommMgr,aProtoMgr,aPort,

            aObserver);	    																	

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop(self);

    return self;

    }

// -----------------------------------------------------------------------------

// COMASuplConnRequestor::COMASuplConnRequestor

// -----------------------------------------------------------------------------

//

COMASuplConnRequestor::~COMASuplConnRequestor()

    {

    Cancel();

    if(iDialogTimer)

        {

        iDialogTimer->Cancel();

        delete iDialogTimer;

        iDialogTimer = NULL;

        }

    delete iSuplSettings;

    delete iTrace;

    delete iFallBackHandler;

    }

// -----------------------------------------------------------------------------

// COMASuplConnRequestor::OpenConnection

// -----------------------------------------------------------------------------

//    

void COMASuplConnRequestor::CreateConnectionL()

    {

	if(!iIsSettingInitilized)

        {

		iState = EInitialState;

        InitilizeSetting();

        }

    else

        {

		TBuf<100> iapName;

		TBuf<128> buffer;

		iState = EConnecting;  

		TBool isIapDialogShown = EFalse;

		TInt errorCode = iFallBackHandler->GetNextSLPAddressL(iCurrentSLPId,iHostAddress,iapName,iTls,iPskTls,iLastConnectionError,isIapDialogShown);

		if(errorCode == KErrNone)

			{

			TBool ret = ConvertIAPNameToIdL(iapName,iIAPId);

			if(!ret)

				{

					buffer.Copy(_L("No access point configured for "));

					buffer.Append(iHostAddress);

					iTrace->Trace(buffer,KTraceFileName, __LINE__); 				

					if( isIapDialogShown )

						{

						TInt err = iProtocolManager.LaunchSettingsUI(this,iHostAddress);

						if(err != KErrNone)

							{

							buffer.Copy(_L("Error in launching UI : "));

							buffer.AppendNum(err);

							iTrace->Trace(buffer,KTraceFileName, __LINE__);                 

							iHostAddress.Zero();

							iObserver.OperationCompleteL(err);

							}

							else

							iIapDialogShown = ETrue;

						}

				}

			else

	            {

	            iIsTimeoutDialogTimerStarted = EFalse;

	            iDialogTimer->Cancel();

	            buffer.Copy(_L("Connecting to "));

	            buffer.Append(iHostAddress);

	            iTrace->Trace(buffer,KTraceFileName, __LINE__); 				

	            iConnection = iCommMgr.CreateConnectionL(iHostAddress,iTls,iPskTls,iPort,iIAPId);

	            OpenConnection();

	            }	

			}

	    else

	        {

	        iHostAddress.Zero();

	        iObserver.OperationCompleteL(errorCode);

	        }

		}

    }

// -----------------------------------------------------------------------------

// COMASuplConnRequestor::OpenConnection

// -----------------------------------------------------------------------------

//    

void COMASuplConnRequestor::CreateConnectionL(TInt aDialogTimeOutDelay)

    {

    iIsTimeoutDialogTimerStarted = ETrue;

    iDialogTimer->StartTimer(aDialogTimeOutDelay); 

    CreateConnectionL();

    }

// -----------------------------------------------------------------------------

// COMASuplConnRequestor::OpenConnection

// -----------------------------------------------------------------------------

//    

TInt COMASuplConnRequestor::GetLocalIPAddress(TInetAddr &aAddress)

    {

    if(iConnection)

        {

        return iConnection->GetLocalIPAddress(aAddress);	

        }

    return KErrGeneral;

    }

// -----------------------------------------------------------------------------

// COMASuplConnRequestor::SendPacket

// -----------------------------------------------------------------------------

//

void COMASuplConnRequestor::SendPacket(const TDesC8& aPacket)

    {

      if(iConnection)

    	{

        iState = ESending;

	    iConnection->Send(aPacket,iStatus);

		SetActive();

	  	}

	}

// -----------------------------------------------------------------------------

// COMASuplConnRequestor::OpenConnection

// -----------------------------------------------------------------------------

//    

void COMASuplConnRequestor::OpenConnection()

    {

    if(iIsSettingInitilized)

        {

            {

            iState = EConnecting;

            }

        }

    else

        {

		iState = EInitilizeSetting;

        InitilizeSetting();

        }

    }

// -----------------------------------------------------------------------------

// COMASuplConnRequestor::ListenToMessages

// -----------------------------------------------------------------------------

//    

void COMASuplConnRequestor::ListenToMessages()

    {

    if(iConnection)

        {

        iConnection->ListenToMessages();

        }

    }

// -----------------------------------------------------------------------------

// COMASuplConnRequestor::CloseConnection

// -----------------------------------------------------------------------------

//    

void COMASuplConnRequestor::CloseConnection()

    {

		if(iConnection )

		    {

		    iConnection->CloseConnection();           

		iCommMgr.DestroyConnection(iConnection);

		    iConnection = NULL;

		    }

	}

// -----------------------------------------------------------------------------

// COMASuplConnRequestor::RunL

// -----------------------------------------------------------------------------

//

void COMASuplConnRequestor::RunL()

    {

    iLastConnectionError = iStatus.Int();

    TBuf<64> buffer(_L("Error during connection : "));

    buffer.AppendNum(iLastConnectionError);

    iTrace->Trace(buffer,KTraceFileName, __LINE__); 					

    switch(iState)

        {

		case EInitialState:

            {

            iIsSettingInitilized = ETrue;

            iTrace->Trace(_L("Setting API Initilizing Completed..."), KTraceFileName, __LINE__);

            CreateConnectionL();

            break;

            }

        case  EConnecting:

            {

            if(iLastConnectionError < 0)

                {

                iHostAddress.Zero();

                CloseConnection();

                }

            else

                {

                ListenToMessages();                            

                iObserver.OperationCompleteL(iLastConnectionError);

                }

            break;

            }

        case EInitilizeSetting:

            {

            if(iLastConnectionError == KErrNone)

                {

                iIsSettingInitilized = ETrue;

                iTrace->Trace(_L("Setting API Initilizing Completed..."), KTraceFileName, __LINE__); 				

                OpenConnection();

                }

            else

                {

                iTrace->Trace(_L("Setting API Initilizing Failed..."), KTraceFileName, __LINE__); 				

                iObserver.OperationCompleteL(iLastConnectionError);

                }	

            break;

            }

        case ESending:

            {

            iObserver.OperationCompleteL(iLastConnectionError);

            break;

            }

        }

    }

// -----------------------------------------------------------------------------

// COMASuplConnRequestor::RunError

// -----------------------------------------------------------------------------

//

TInt COMASuplConnRequestor::RunError(TInt /* aError */)

    {

    return KErrNone;

    }

// -----------------------------------------------------------------------------

// COMASuplConnRequestor::DoCancel

// -----------------------------------------------------------------------------

//

void COMASuplConnRequestor::DoCancel()

    {    

    switch(iState)

        {

        case EConnecting:

            if ( iConnection )

                iConnection->CancelConnect(iStatus);

            break;

        case ESending:

            if ( iConnection )	

                iConnection->CancelSend(iStatus);

            break;

        case EInitilizeSetting:

            iSuplSettings->CancelInitialize();

        default:

            break;

        } 

    }

// -----------------------------------------------------------------------------

// COMASuplConnRequestor::DoCancel

// -----------------------------------------------------------------------------

//

void COMASuplConnRequestor::CancelReadOperation()

    {    

    if(iConnection)

        {

        iConnection->CancelListenToMessages();

        }

    }

// -----------------------------------------------------------------------------

// COMASuplConnRequestor::SetIAPID

// -----------------------------------------------------------------------------

//

void COMASuplConnRequestor::SetIAPID(TInt aIAPID)

    {

    iIAPId = aIAPID;

    }

// -----------------------------------------------------------------------------

// COMASuplConnRequestor::InitilizeSetting

// -----------------------------------------------------------------------------

//

void COMASuplConnRequestor::InitilizeSetting()

    {

    iTrace->Trace(_L("Intilizing Setting API..."), KTraceFileName, __LINE__); 				

    iSuplSettings->Initialize(iStatus);

    SetActive();

    }

// -----------------------------------------------------------------------------

// COMASuplConnRequestor::IsHslpGenerated

// -----------------------------------------------------------------------------

//

void COMASuplConnRequestor::IsHslpGenerated(TBool aIsGenerated)

    {

    iIsHSLPGenerated = aIsGenerated;

    }	

// -----------------------------------------------------------------------------

// COMASuplConnRequestor::IsHslpAddrFromImsiUsed

// -----------------------------------------------------------------------------

//

TBool COMASuplConnRequestor::IsHslpAddrFromImsiUsed()

    {

    return iHslpAddrFromImsiUsed;

    }	

TUint COMASuplConnRequestor::GetPortNumber()

	{

	return iConnection->GetPortNumberUsed();

	}

// -----------------------------------------------------------------------------

// COMASuplConnRequestor::SetDefaultParametersL

// -----------------------------------------------------------------------------

//

void COMASuplConnRequestor::SetDefaultParametersL(const TDesC& aClientProvidedHSLPAddress,TBool aFallBackAllowed)	

    {

    iFallBackHandler->SetFallBackParametersL(aClientProvidedHSLPAddress,aFallBackAllowed);	

    }

// -----------------------------------------------------------------------------

// COMASuplConnRequestor::SetDefaultParametersL

// -----------------------------------------------------------------------------

//

void COMASuplConnRequestor::GetUsedServerAddress(TDes& aHSLPAddressUsed)	

    {

    aHSLPAddressUsed.Copy(iHostAddress);

    }

// -----------------------------------------------------------------------------

// COMASuplConnRequestor::ConvertIAPNameToIdL

// 

// -----------------------------------------------------------------------------

TBool COMASuplConnRequestor::ConvertIAPNameToIdL(const TDesC& aIAPName, TUint32& aIAPId)

    {

    TBool result = EFalse;

    CCommsDatabase* commDb = CCommsDatabase::NewL(EDatabaseTypeIAP);

    CleanupStack::PushL(commDb);

    CCommsDbTableView* tableView = commDb->OpenIAPTableViewMatchingBearerSetLC(ECommDbBearerCSD|ECommDbBearerGPRS,

            ECommDbConnectionDirectionOutgoing);

    TInt retval = tableView->GotoFirstRecord();

    while ((retval == KErrNone) && (!result))

        {

        HBufC * iap_name = tableView->ReadLongTextLC( TPtrC( COMMDB_NAME) );