/*

* 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:    

*

*/

// INCLUDE FILES

#include "senmobilityobserver.h"

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

// CALRObserver::NewL

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

//

CALRObserver* CALRObserver::NewL(MMobilityProtocolResp& aMobilityObserver, CSenXmlReader &aReader)

    {

    CALRObserver* self = new ( ELeave ) CALRObserver(aMobilityObserver, aReader);

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop( self );

    return self;

    }

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

// CALRObserver::ConstructL

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

//

void CALRObserver::ConstructL()

    {

#ifdef _SENDEBUG       

    TFileName logFile;

    logFile.Append( KSenMobilityLog().Left(KSenMobilityLog().Length()-4) ); // exclude ".log" file extension

    TDateTime time;

    TTime start;

    start.HomeTime();

    time=start.DateTime();

    logFile.AppendNum( time.Hour() );

    logFile.Append( KSenUnderline );

    logFile.AppendNum( time.Minute() );

    logFile.Append( KSenUnderline );

    logFile.AppendNum( time.Second() );

    logFile.Append( KSenMobilityLog().Right(4) ); // postfix with ".log" file extension

    TLSLOG_OPEN(KSenSenMobilityLogChannelBase, KSenSenMobilityLogLevel, KSenMobilityDir, logFile);

#endif    

    User::LeaveIfError( iSocketServer.Connect());

    TLSLOG_L(KSenSenMobilityLogChannelBase, KSenSenMobilityLogLevel , "CALRObserver::ConstructL()");

    }

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

// CALRObserver::CALRObserver

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

CALRObserver::CALRObserver(MMobilityProtocolResp &aMobilityObserver, CSenXmlReader &aReader) 

    : CActive( CActive::EPriorityStandard ),

     iMobilityObserver( aMobilityObserver ),

     iMobility(NULL),

     iIapId(0),

     iNewIapId(0),

     iSnapId(0),

     iReader(aReader)

    {

    CActiveScheduler::Add( this );

    }

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

// CALRObserver::~CALRObserver

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

//

CALRObserver::~CALRObserver()

    {

    TLSLOG_L(KSenSenMobilityLogChannelBase, KSenSenMobilityLogLevel , "CALRObserver::~CALRObserver() started");

    if (iMobility != NULL)

        {

        delete iMobility;

        TLSLOG_L(KSenSenMobilityLogChannelBase, KSenSenMobilityLogLevel , "-iMobility deleted ");

        }

    Cancel();

    TUint openCount(0);

    TInt retVal = iConnection.EnumerateConnections(openCount);

    if(retVal == KErrNone)

    	{

    	TLSLOG_FORMAT((KSenSenMobilityLogChannelBase, KSenSenMobilityLogLevel , _L8("- connections count : [%d] "), openCount));	

    	}

    iConnection.Close();

    iSocketServer.Close();    

    TLSLOG_L(KSenSenMobilityLogChannelBase, KSenSenMobilityLogLevel , "CALRObserver::~CALRObserver() completed");

#ifdef _SENDEBUG

    TLSLOG_CLOSE(KSenSenMobilityLogChannelBase);

#endif

    }

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

// CApplicationUsingSNAP::DoCancel

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

//

void CALRObserver::DoCancel()

    {

    iConnection.Close();

    // iConnection.Stop() should be avoided:

    // other client applications' connection should not be terminated.

    }

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

// CApplicationUsingSNAP::RunL

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

//

void CALRObserver::RunL()

    {

    if ( iStatus.Int() == KErrNone )

        {

        TUint32 iap( 0 );

        iConnection.GetIntSetting( _L( "IAP\\Id" ), iap );

        iIapId = iap ;

        TLSLOG_FORMAT((KSenSenMobilityLogChannelBase, KSenSenMobilityLogLevel , _L8("-RunL registering mobility using IAPID: %d "), iIapId));

        TRAPD(err, iMobility = CActiveCommsMobilityApiExt::NewL( iConnection, *this )) ;

        TLSLOG_FORMAT((KSenSenMobilityLogChannelBase, KSenSenMobilityLogLevel , _L8("- registered for mobility service returned : %d "), err));

        }

    else

        {

        //RunL status error: " ) );

        User::Leave(iStatus.Int()) ;

        }

    }    

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

// CALRObserver::RunError

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

//

TInt CALRObserver::RunError( TInt aError )

    {

    TLSLOG_FORMAT((KSenSenMobilityLogChannelBase, KSenSenMobilityLogLevel , _L8("-CALRObserver::RunError received with error = %d"), aError));

    return KErrNone;

    }

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

// CApplicationUsingSNAP::GetActiveIap

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

//

TUint32 CALRObserver::GetActiveIap()

    {

    TLSLOG_FORMAT((KSenSenMobilityLogChannelBase, KSenSenMobilityLogLevel , _L8("- GetActiveIap (ID: %d) "), iIapId));

    return iIapId ;

    }    

TUint32 CALRObserver::GetActiveSnap()

    {

    TLSLOG_FORMAT((KSenSenMobilityLogChannelBase, KSenSenMobilityLogLevel , _L8("- GetActiveSnap (ID: %d) "), iSnapId));

    return iSnapId ;

    }    

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

// CALRObserver::PreferredCarrierAvailable

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

//

void CALRObserver::PreferredCarrierAvailable( TAccessPointInfo aOldAPInfo,

                                                 TAccessPointInfo aNewAPInfo,

                                                 TBool aIsUpgrade,

                                                 TBool aIsSeamless )

	{

    TLSLOG_L(KSenSenMobilityLogChannelBase, KSenSenMobilityLogLevel , "- PreferredCarrierAvailable callback received ");

    TLSLOG_FORMAT((KSenSenMobilityLogChannelBase, KSenSenMobilityLogLevel , _L8("- PreferredCarrierAvailable with old iapid = %d"), aOldAPInfo.AccessPoint()));

    TLSLOG_FORMAT((KSenSenMobilityLogChannelBase, KSenSenMobilityLogLevel , _L8("- PreferredCarrierAvailable with new iapid = %d"), aNewAPInfo.AccessPoint()));

    if ( aIsUpgrade )

        {

        TLSLOG_L(KSenSenMobilityLogChannelBase, KSenSenMobilityLogLevel , "- PreferredCarrierAvailable it is upgrade ");

        }

    else

        {

        TLSLOG_L(KSenSenMobilityLogChannelBase, KSenSenMobilityLogLevel , "- PreferredCarrierAvailable it is not upgrade ");

        }

    if (aIsSeamless)

        {

          // in S60 3.2, this situation cannot occur.

        TLSLOG_L(KSenSenMobilityLogChannelBase, KSenSenMobilityLogLevel , "-it is seemless in S60 3.2, this situation cannot occur. ");

        }        

	if (iIapId != aOldAPInfo.AccessPoint())

		{

		//we received callback for unwanted iap ids

        TLSLOG_L(KSenSenMobilityLogChannelBase, KSenSenMobilityLogLevel , "- ASSERT ERROR PreferredCarrierAvailable callback received ");

		}

	else

		{

        if (iIapId != aNewAPInfo.AccessPoint())

            {

            TLSLOG_FORMAT((KSenSenMobilityLogChannelBase, KSenSenMobilityLogLevel , _L8("- forwarding call PreferredCarrierAvailable callback to observer with iapID %d"), aNewAPInfo.AccessPoint()));

            iMobilityObserver.PreferredCarrierAvailable( aOldAPInfo,

                                             aNewAPInfo,

                                             aIsUpgrade,

                                             aIsSeamless ) ;

           }

        else

            {

            TLSLOG_FORMAT((KSenSenMobilityLogChannelBase, KSenSenMobilityLogLevel , _L8("- ASSERT ERROR iIapId cant be same with newIap as iIapId = %d, newIap = %d"), iIapId, aNewAPInfo.AccessPoint()));

            }

        }

	}

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

// CALRObserver::NewCarrierActive

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

//

void CALRObserver::NewCarrierActive( TAccessPointInfo aNewAPInfo, TBool aIsSeamless )

	{

    TLSLOG_L(KSenSenMobilityLogChannelBase, KSenSenMobilityLogLevel , "- NewCarrierActive callback received ");

    TLSLOG_FORMAT((KSenSenMobilityLogChannelBase, KSenSenMobilityLogLevel , _L8("- NewCarrierActive with new iapid = %d"), aNewAPInfo.AccessPoint()));     

    if ( aIsSeamless )

        {

        TLSLOG_L(KSenSenMobilityLogChannelBase, KSenSenMobilityLogLevel , "- NewCarrierActive it is seemless ");

        }

    else

        {

        TLSLOG_L(KSenSenMobilityLogChannelBase, KSenSenMobilityLogLevel , "- NewCarrierActive it is not seemless ");

        }        

	if (iIapId != aNewAPInfo.AccessPoint())

		{

        iNewIapId = aNewAPInfo.AccessPoint() ;

        TLSLOG_FORMAT((KSenSenMobilityLogChannelBase, KSenSenMobilityLogLevel , _L8("- frowarding NewCarrierActive callback to observer with new IAPID = %d"), iNewIapId));

        iMobilityObserver.NewCarrierActive( aNewAPInfo, aIsSeamless ) ;

		}

	else

		{

        TLSLOG_FORMAT((KSenSenMobilityLogChannelBase, KSenSenMobilityLogLevel , _L8("- ASSERT ERROR NewCarrierActive callback received with oldIapId = %d, newIapInfo = %d "), iIapId, aNewAPInfo.AccessPoint() ));

    	//we received callback for wrong PreferredCarrierAvailable call

		}

    }

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

// CApplicationUsingSNAP::DoCancel

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

//

void CALRObserver::Error(TInt aError)

    {

    //iConnection.Stop();

    if (aError != KErrCancel)

        {

        TLSLOG_FORMAT((KSenSenMobilityLogChannelBase, KSenSenMobilityLogLevel , _L8("-CALRObserver::Error callback received with error = %d"), aError));        

        TLSLOG_L(KSenSenMobilityLogChannelBase, KSenSenMobilityLogLevel , "-forwarding mobility Error callback to consumer");

        iMobilityObserver.Error(aError) ;            

        }

    else

        {

        TLSLOG_L(KSenSenMobilityLogChannelBase, KSenSenMobilityLogLevel , "-User Canceled mobility Service");

        }

    }    

void CALRObserver::MigrateToPreferredCarrier()

	{

    TLSLOG_L(KSenSenMobilityLogChannelBase, KSenSenMobilityLogLevel , "- CALRObserver::MigrateToPreferredCarrier ");

    if (iMobility)    

        {

	    iMobility->MigrateToPreferredCarrier();            

        }

    else

        {

        TLSLOG_L(KSenSenMobilityLogChannelBase, KSenSenMobilityLogLevel , "- iMobility object is NULL");

        }

	}

void CALRObserver::IgnorePreferredCarrier()

	{

    TLSLOG_L(KSenSenMobilityLogChannelBase, KSenSenMobilityLogLevel , "- CALRObserver::IgnorePreferredCarrier ");

    if (iMobility)    

        {

	    iMobility->IgnorePreferredCarrier();

        }

    else

        {

        TLSLOG_L(KSenSenMobilityLogChannelBase, KSenSenMobilityLogLevel , "- iMobility object is NULL");

        }	

	}

void CALRObserver::NewCarrierAccepted() 

	{

    TLSLOG_L(KSenSenMobilityLogChannelBase, KSenSenMobilityLogLevel , "- CALRObserver::NewCarrierAccepted ");

    if (iMobility)    

        {

	    iMobility->NewCarrierAccepted();

        }

    else

        {

        TLSLOG_L(KSenSenMobilityLogChannelBase, KSenSenMobilityLogLevel , "- iMobility object is NULL");

        }	

	}

void CALRObserver::NewCarrierRejected()

	{

    TLSLOG_L(KSenSenMobilityLogChannelBase, KSenSenMobilityLogLevel , "- CALRObserver::NewCarrierRejected ");	    	

    if (iMobility)    

        {

	    iMobility->NewCarrierRejected();

        }

    else

        {

        TLSLOG_L(KSenSenMobilityLogChannelBase, KSenSenMobilityLogLevel , "- iMobility object is NULL");

        }

	}

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

// CALRObserver::OpenSocketSever

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

//

TInt CALRObserver::OpenSocketSever()

	{

    TLSLOG_L(KSenSenMobilityLogChannelBase, KSenSenMobilityLogLevel , "- OpenSocketSever ");

    TInt err( KErrNone );

    // If iConnection is already open don't reopen it.

	if( !iConnection.SubSessionHandle() )

        {     

        TLSLOG_L(KSenSenMobilityLogChannelBase, KSenSenMobilityLogLevel , "- calling iConnection.Open ");

        err = iConnection.Open(iSocketServer);

        }     

    return err;

	}

HBufC8* CALRObserver::GetNewIapAsTransportPropertyL()

	{

    TLSLOG_L(KSenSenMobilityLogChannelBase, KSenSenMobilityLogLevel , "- GetNewIapAsTransportPropertyL ");

	CSenTransportProperties * pTransportProperties = CSenTransportProperties::NewL();

	if (iIapId != iNewIapId)

		{

        TLSLOG_FORMAT((KSenSenMobilityLogChannelBase, KSenSenMobilityLogLevel , _L8("-GetNewIapAsTransportPropertyL filling up transport properties with iNewIapId = %d"), iNewIapId));

        pTransportProperties->SetIapIdL(iNewIapId) ;

        iIapId = iNewIapId ;    //reseting current iapid as the new iapid for internal purpose

        return pTransportProperties->AsUtf8L() ;

		}

	else

		{

		delete pTransportProperties ;

		return NULL ;		

		}

	}

TInt CALRObserver::OpenConnectionL(TDesC8& aAppTransportProperties,

								 MSenTransport &aTransport,

								 CSenWSDescription& aInitializer,

								 HBufC8*& apNewTransportProperties)

	{

    TLSLOG_L(KSenSenMobilityLogChannelBase, KSenSenMobilityLogLevel , "- CALRObserver::OpenConnectionL ");	

	CSenTransportProperties * pTransportProperties = CSenTransportProperties::NewL(aAppTransportProperties, iReader);

	TUint32 id(0);

	TBool isSnap(EFalse) ;

    TBool isStartConnectionRequired(EFalse) ;

    TLSLOG_L(KSenSenMobilityLogChannelBase, KSenSenMobilityLogLevel , "- trying to get SNAPID from pTransportProperties ");

	TInt error = pTransportProperties->SnapIdL(id) ;

	if(error || id >= (TUint)KErrNotFound) //

		{

        TLSLOG_L(KSenSenMobilityLogChannelBase, KSenSenMobilityLogLevel , "- trying to get IAPID from pTransportProperties ");

	    error = pTransportProperties->IapIdL(id);		

		}

	else

		{

		isSnap = ETrue ;

		}  

    if(error || id >= (TUint)KErrNotFound) 

	    {

    	//Application Did not provide IAP ID through transport properties

    	//Now we need to check consumer and provider policy of service description

    	if( aInitializer.DescriptionClassType() == MSenServiceDescription::EWSPattern )

            {

            // Check if <ConsumerPolicy/> was defined in SC aInitializer (constructor argument)

            // and if IAP was predefined

            CSenWSPattern* pConsumerPolicy = (CSenWSPattern*)&aInitializer;

		    TLSLOG_L(KSenSenMobilityLogChannelBase, KSenSenMobilityLogLevel , "- trying to get SNAPID from pConsumerPolicy ");

			error = pConsumerPolicy->ConsumerSnapId( id );

			if(error || id >= (TUint)KErrNotFound) 

			    {

        		TLSLOG_L(KSenSenMobilityLogChannelBase, KSenSenMobilityLogLevel , "- trying to get IAPID from pConsumerPolicy ");

				error = pConsumerPolicy->ConsumerIapId( id );			 	

			    }

			else

    			{

    			isSnap = ETrue ;

    			}			    

           }

        if( error || id >= (TUint)KErrNotFound) // IAP ID must be 0...INT_MAX, since (TUInt)KErrNotFound == INT_MAX+1

            {

    		// Check if <ProviderPolicy/> was defined in SC aInitializer (constructor argument)

            // and if IAP was predefined

            TLSLOG_L(KSenSenMobilityLogChannelBase, KSenSenMobilityLogLevel , "- trying to get SNAPID from aInitializer ");

            error = aInitializer.SnapId( id );

			if(error || id >= (TUint)KErrNotFound) 

			    {

                TLSLOG_L(KSenSenMobilityLogChannelBase, KSenSenMobilityLogLevel , "- trying to get IAPID from aInitializer ");

				error = aInitializer.IapId( id );		 	

			    }            

			else

    			{

    			isSnap = ETrue ;

    			}			    

            }            

        if( error || id >= (TUint)KErrNotFound) // IAP ID must be 0...INT_MAX, since (TUInt)KErrNotFound == INT_MAX+1

	    	{

	    	//initialiser didnot provide iap/snap id

	    	//if another SC has already set up a transport we dont want to prompt

	        MSenProperties& property = aTransport.PropertiesL() ;

	    	switch (property.PropertiesClassType())

		    	{    		

	    		case MSenProperties::ESenLayeredTransportProperties:

	    		case MSenProperties::ESenLayeredHttpTransportProperties:

	    		case MSenProperties::ESenLayeredVtcpTransportProperties:

	    			{

	    			CSenLayeredTransportProperties& layerdPropery = (CSenLayeredTransportProperties&)property ;

                    TLSLOG_L(KSenSenMobilityLogChannelBase, KSenSenMobilityLogLevel , "- trying to get SNAPID from layerdPropery ");

	    			error = layerdPropery.SnapIdL(id) ;

	    			if(error || id >= (TUint)KErrNotFound) 

		    			{

                        TLSLOG_L(KSenSenMobilityLogChannelBase, KSenSenMobilityLogLevel , "- trying to get IAPID from layerdPropery ");

		    			error = layerdPropery.IapIdL(id) ;    				

		    			}

	    			else

		    			{

		    			isSnap = ETrue ;

		    			}

	    			}    			

		    		break;

		    	}

		    }	        	

	    }

    TUint32 openId(id);

    if (iIapId == 0 && iSnapId == 0)

        {

        //check with first Snapid

        isStartConnectionRequired = ETrue ;

     	TLSLOG_FORMAT((KSenSenMobilityLogChannelBase, KSenSenMobilityLogLevel , _L8("- StartConnection required as (iIapId == 0 && iSnapId == 0) openId = %d, isSnap = %d, iIapId = %d and iSnapId = %d "), openId, isSnap, iIapId, iSnapId));

        }

    else if(isSnap != EFalse && openId != iSnapId)

        {

        isStartConnectionRequired = ETrue ;

     	TLSLOG_FORMAT((KSenSenMobilityLogChannelBase, KSenSenMobilityLogLevel , _L8("- StartConnection required as (isSnap == EFalse && openId != iIapId) openId = %d, isSnap = %d and iSnapId = %d "), openId, isSnap, iSnapId));        

        }

    else if(isSnap == EFalse && openId != iIapId)

        {

        isStartConnectionRequired = ETrue ;

        TLSLOG_FORMAT((KSenSenMobilityLogChannelBase, KSenSenMobilityLogLevel , _L8("-StartConnection required aws (isSnap == EFalse && openId != iIapId) openId = %d, isSnap = %d and iIapId = %d"), openId, isSnap, iIapId));

        }

    else

        {

        isStartConnectionRequired = EFalse ;

        TLSLOG_L(KSenSenMobilityLogChannelBase, KSenSenMobilityLogLevel , "- call StartConnection not required ");

        }

   if (isStartConnectionRequired != EFalse)

		{

        TLSLOG_L(KSenSenMobilityLogChannelBase, KSenSenMobilityLogLevel , "- calling StartConnection ");		

    	error = StartConnection(openId, isSnap) ;

	    if (openId != id)

		    {

        	TLSLOG_FORMAT((KSenSenMobilityLogChannelBase, KSenSenMobilityLogLevel , _L8("- OpenConnectionL setting up transport properties with iapid %d "), openId));

		    pTransportProperties->SetIapIdL(openId) ;

		    apNewTransportProperties = pTransportProperties->AsUtf8LC() ;

		    //CleanupStack::PopAndDestroy(pTransportProperties);

		    delete pTransportProperties;

		    pTransportProperties = NULL;	

		    CleanupStack::Pop();

		    }

		else

		    {

		    apNewTransportProperties = NULL ;

		    }

    	}

	else

    	{

    	TLSLOG_L(KSenSenMobilityLogChannelBase, KSenSenMobilityLogLevel , "- OpenConnectionL returning apNewTransportProperties = NULL ");	

		apNewTransportProperties = NULL ;

		if (iMobility)

    		{

    		//Already Registered for mobility service for the iap

    	    TLSLOG_L(KSenSenMobilityLogChannelBase, KSenSenMobilityLogLevel , "- OpenConnectionL Already Registered for mobility service for the iap");	

    		error = KErrNone ;

    		}

    	}		    

     	TLSLOG_FORMAT((KSenSenMobilityLogChannelBase, KSenSenMobilityLogLevel , _L8("- CALRObserver::OpenConnectionL returnd %d "), error));

        return error ;

	}

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

// CALRObserver::StartConnection

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

//

TInt CALRObserver::StartConnection(TUint32& aId, TBool aIsSnapId)

    {

    TLSLOG_L(KSenSenMobilityLogChannelBase, KSenSenMobilityLogLevel , "- CALRObserver::StartConnection ");

    TLSLOG_FORMAT((KSenSenMobilityLogChannelBase, KSenSenMobilityLogLevel , _L8("- CALRObserver::StartConnection aId(%d) aIsSnapId(%d) "),  aId, aIsSnapId));

	TInt errRet = KErrNone;

	if( !IsActive() )

	    {

	    if (aIsSnapId == EFalse)

			{

			if (aId !=0 && aId != iIapId)

				{

		        // IAP ID is provided and the new IAPID is not equal to the old IAP ID 

		        //we need to close old Connection and start the Connection with new

		        //IAPID as application is interested to change it on fly        

				//but openId must not be Zero (0)

				iConnection.Close();  

				TLSLOG_L(KSenSenMobilityLogChannelBase, KSenSenMobilityLogLevel , "- CALRObserver::StartConnection iConnection closed as new IAPID for the same connection");

				}

			}

		else

			{

			if (aId !=0 && aId != iSnapId)

				{

				// SNAP ID is provided and the new SNAPID is not equal to the old SNAP ID 

				//we need to close old Connection and start the Connection with new

				//SNAPID as application is interested to change it on fly