/*

* Copyright (c) 2008-2009 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: S60 MCPR implementation

*

*/

/**

@file s60mcpr.cpp

S60 MCPR implementation

*/

#include <comms-infras/ss_msgintercept.h>

#include "s60mcpr.h"

#include "s60mcprstates.h"

#include "s60mcpractivities.h"

#ifdef SYMBIAN_ADAPTIVE_TCP_RECEIVE_WINDOW

#include <comms-infras/ss_protopt.h>

#include "s60tcprecvwin.h"

#endif //SYMBIAN_ADAPTIVE_TCP_RECEIVE_WINDOW

using namespace Messages;

using namespace MeshMachine;

using namespace ESock;

using namespace MCprActivities;

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

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

// CS60MetaConnectionProvider::NewL

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

//

CS60MetaConnectionProvider* CS60MetaConnectionProvider::NewL( CMetaConnectionProviderFactoryBase& aFactory, 

                                                              const TProviderInfo& aProviderInfo )

    {

    S60MCPRLOGSTRING("S60MCPR::NewL()");

    CS60MetaConnectionProvider* self =

        new (ELeave) CS60MetaConnectionProvider( aFactory,

                                                 aProviderInfo,

                                                 S60MCprActivities::S60MCprActivityMap::Self());

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop( self );

    return self;

    }

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

// CS60MetaConnectionProvider::CS60MetaConnectionProvider

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

//

CS60MetaConnectionProvider::CS60MetaConnectionProvider( CMetaConnectionProviderFactoryBase& aFactory,

                                                        const TProviderInfo& aProviderInfo, 

                                                        const MeshMachine::TNodeActivityMap& aActivityMap )

    :   CMobilityMetaConnectionProvider( aFactory, aProviderInfo, aActivityMap ),

        iDataClientStatusStarted( EFalse )

    {

    LOG_NODE_CREATE(KS60MCprTag, CS60MetaConnectionProvider);

    }

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

// CS60MetaConnectionProvider::ConstructL

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

//

void CS60MetaConnectionProvider::ConstructL()

    {

    CCoreMetaConnectionProvider::ConstructL();

    iPolicy = CMPMPolicyRequests::NewL( *(MMPMPolicyNotificationUser*)this );

    S60MCPRLOGSTRING2("S60MCPR<%x>::ConstructL() iPolicy=%x",(TInt*)this, (TInt*)iPolicy);

#ifdef SYMBIAN_ADAPTIVE_TCP_RECEIVE_WINDOW

    RMetaExtensionContainer mec;

    mec.Open(iAccessPointConfig);

    CleanupClosePushL(mec);

    //Append pointer to lookup table which holds the various TCP receive window sizes for different bearer types.

    CTCPReceiveWindowSize* receiveWindow;

    receiveWindow = new (ELeave)CS60TCPReceiveWindowSize();

    CleanupStack::PushL(receiveWindow);

    mec.AppendExtensionL(receiveWindow);

    CleanupStack::Pop(receiveWindow);

    //Append the pointer of CSAPSetOpt which provides generic SetOpt( ) implementation

    CSAPSetOpt* protoOption = new (ELeave)CSAPSetOpt();

    CleanupStack::PushL(protoOption);

    mec.AppendExtensionL(protoOption);

    CleanupStack::Pop(protoOption);

    iAccessPointConfig.Close();

    iAccessPointConfig.Open(mec);

    CleanupStack::PopAndDestroy(&mec);

#endif //SYMBIAN_ADAPTIVE_TCP_RECEIVE_WINDOW

    }

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

// CS60MetaConnectionProvider::~CS60MetaConnectionProvider

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

//

CS60MetaConnectionProvider::~CS60MetaConnectionProvider()

    {

    if ( iPolicy )

        {

        iPolicy->RequestDelete();

        }

    S60MCPRLOGSTRING1("S60MCPR<%x>::~CS60MetaConnectionProvider",(TInt*)this);

    LOG_NODE_DESTROY(KS60MCprTag, CS60MetaConnectionProvider);

    }

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

// CS60MetaConnectionProvider::ReceivedL

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

//

void CS60MetaConnectionProvider::ReceivedL( const TRuntimeCtxId& aSender, 

                                            const TNodeId& aRecipient, 

                                            TSignatureBase& aMessage )

    {

    S60MCPRLOGSTRING2("S60MCPR<%x>::ReceivedL() aMessage=%d",(TInt*)this, aMessage.MessageId().MessageId());

    ESOCK_DEBUG_MESSAGE_INTERCEPT(aSender, aMessage, aRecipient);

    TNodeContext<CS60MetaConnectionProvider> ctx( *this, aMessage, aSender, aRecipient );

    CMobilityMetaConnectionProvider::Received( ctx );

    User::LeaveIfError( ctx.iReturn );

    }

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

// CS60MetaConnectionProvider::Policy

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

//

CMPMPolicyRequests* CS60MetaConnectionProvider::Policy()

    {

    return iPolicy;

    }

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

// CS60MetaConnectionProvider::RequestPermissionToSendStarted

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

//

TBool CS60MetaConnectionProvider::RequestPermissionToSendStarted()

    {

    if ( !iDataClientStatusStarted )

        {

        iDataClientStatusStarted = ETrue;

        return ETrue;

        }

    else

        {

        return EFalse; 

        }

    }

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

// CS60MetaConnectionProvider::RequestPermissionToSendStopped

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

//

TBool CS60MetaConnectionProvider::RequestPermissionToSendStopped()

    {

    if ( iDataClientStatusStarted )

        {

        iDataClientStatusStarted = EFalse;

        return ETrue;

        }

    else

        {

        return EFalse; 

        }

    }

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

// CS60MetaConnectionProvider::PolicyPrefs

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

//

TPolicyConnPref& CS60MetaConnectionProvider::PolicyPrefs()

    {

    return iPolicyPrefs;

    }

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

// CS60MetaConnectionProvider::SetPolicyPrefs

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

//

void CS60MetaConnectionProvider::SetPolicyPrefs( TPolicyConnPref& aPrefs )

    {

    iPolicyPrefs = aPrefs;

    }

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

// CS60MetaConnectionProvider::SetSelectionPrefs

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

//

void CS60MetaConnectionProvider::SetSelectionPrefs( TSelectionPrefs& aPrefs )

    {

    iOrigPrefs = aPrefs;

    }

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

// CS60MetaConnectionProvider::SelectionPrefs

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

//

const TSelectionPrefs& CS60MetaConnectionProvider::SelectionPrefs()

    { 

    return iOrigPrefs; 

    }

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

// CS60MetaConnectionProvider::SetConnPrefList

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

//

void CS60MetaConnectionProvider::SetConnPrefList( const ESock::RConnPrefList &aConnPrefList )

    {

    iConnPrefList = aConnPrefList;

    }

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

// CS60MetaConnectionProvider::ConnPrefList

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

//

ESock::RConnPrefList CS60MetaConnectionProvider::ConnPrefList() const

    {

    return iConnPrefList;

    }

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

// CS60MetaConnectionProvider::SetSubSessionUniqueId

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

//

void CS60MetaConnectionProvider::SetSubSessionUniqueId( const TSubSessionUniqueId aSubSessionUniqueId)

    {

    iSubSessionUniqueId = aSubSessionUniqueId;

    }

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

// CS60MetaConnectionProvider::SubSessionUniqueId

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

//

TSubSessionUniqueId CS60MetaConnectionProvider::SubSessionUniqueId() const

    {

    return iSubSessionUniqueId;

    }

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

// CS60MetaConnectionProvider::IsHandshakingNow

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

//

TBool CS60MetaConnectionProvider::IsHandshakingNow() const

    {

    return iIsHandshakingNow;

    }

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

// CS60MetaConnectionProvider::SetHandshakingFlag

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

//

void CS60MetaConnectionProvider::SetHandshakingFlag()

    {

    iIsHandshakingNow = ETrue;

    }

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

// CS60MetaConnectionProvider::ClearHandshakingFlag

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

//

void CS60MetaConnectionProvider::ClearHandshakingFlag()

    {

    iIsHandshakingNow = EFalse;

    }

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

// CS60MetaConnectionProvider::PolicyNotification

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

//

void CS60MetaConnectionProvider::PolicyNotification( TMpmNotification& aNotification )

    {

    switch ( aNotification.iMPMNotificationType )

        {

        case EMPMPreferredIAPAvailable:

            {

            TMpmNotificationPrefIAPAvailable& notification = 

                static_cast<TMpmNotificationPrefIAPAvailable&>(

                             const_cast<TMpmNotification&>( aNotification ) );

            //HandlePreferredIAPAvailable( const_cast<TMpmNotificationPrefIAPAvailable&>( notification ) );

            // Check if the TPrefIAPNotifInfo contains new or old IAP. 

            //

            if ( ServiceProvider() &&

                 ((RMetaServiceProviderInterface*)ServiceProvider())->ProviderInfo().APId() != notification.iNewIapId )

                {

                S60MCPRLOGSTRING2("S60MCPR<%x>::PolicyNotification() EMPMPreferredIAPAvailable IAP %d",(TInt*)this,notification.iNewIapId);

                // Store PolicyNotification

                // This could happen if PolicyServer sends notification too early.

                //

                StorePolicyNotification( aNotification );

                // Send preferred carrier message into meshmachine.

                //

                RNodeInterface ni;

                ni.OpenPostMessageClose( NodeId(), 

                                         NodeId(), 

                                         TCFS60MCPRMessage::TMPMPreferredCarrierAvailableMsg( (TAny*)&notification ).CRef() );

                }

#ifdef _DEBUG

            else

                {

                S60MCPRLOGSTRING2("S60MCPR<%x>::PolicyNotification() EMPMPreferredIAPAvailable SAME IAP %d",(TInt*)this,notification.iNewIapId );

                }

#endif

            break;

            }

        case EMPMMobilityErrorNotification:

            {

            TMpmNotificationError& notification = 

                static_cast<TMpmNotificationError&>(

                             const_cast<TMpmNotification&>( aNotification ) );

                S60MCPRLOGSTRING2("S60MCPR<%x>::PolicyNotification() EMPMMobilityErrorNotification %d",(TInt*)this,notification.iError);

            // Store PolicyNotification

            // This could happen if PolicyServer sends notification too early.

            //

            StorePolicyNotification( aNotification );

            // Send error notification into meshmachine.

            //

            RNodeInterface ni;

            ni.OpenPostMessageClose( NodeId(), 

                                     NodeId(), 

                                     TCFS60MCPRMessage::TMPMErrorNotificationMsg( notification.iError ).CRef() );

            break;

            }

        case EMPMClientErrorNotification:

            {

            TMpmNotificationError& notification = 

                static_cast<TMpmNotificationError&>(

                             const_cast<TMpmNotification&>( aNotification ) );

            S60MCPRLOGSTRING2("S60MCPR<%x>::PolicyNotification() EMPMClientErrorNotification %d",(TInt*)this,notification.iError);

            PostToClients<TDefaultClientMatchPolicy>( TNodeCtxId( 0, Id() ),

                                                      TCFDataClient::TStop( notification.iError ).CRef(),

                                                      TClientType( TCFClientType::EData) );

            break;

            }

        case EMPMStartIAPNotification:

            {

            TMpmNotificationStartIAP& notification = 

                static_cast<TMpmNotificationStartIAP&>(

                             const_cast<TMpmNotification&>( aNotification ) );

            const TStartIAPNotifInfo& info = notification.iInfo;

            S60MCPRLOGSTRING2("S60MCPR<%x>::PolicyNotification() EMPMStartIAPNotification IAP %d",(TInt*)this,info.iIap);

            // Store PolicyNotification

            // This could happen if PolicyServer sends notification too early.

            //

            StorePolicyNotification( aNotification );

            // The TMPMStartIAPNotificationMsg only has effect if there's an activity waiting for it.

            //

            RNodeInterface ni;

            ni.OpenPostMessageClose( NodeId(), 

                                     NodeId(), 

                                     TCFS60MCPRMessage::TMPMStartIAPNotificationMsg( info.iIap ).CRef() ); 

            break;

            }

        case EMPMStopIAPNotification:

            {

            TMpmNotificationStopIAP& notification = 

                static_cast<TMpmNotificationStopIAP&>( const_cast<TMpmNotification&>( aNotification ) );

            // Allow TStop message only when ServiceProvider exists and the IAP matches or is unspecified. 

            // 

            if ( ServiceProvider() && 

                    (((RMetaServiceProviderInterface*)ServiceProvider())->ProviderInfo().APId() == notification.iInfo.iIap ||

                    notification.iInfo.iIap == 0 )) 

                {

                S60MCPRLOGSTRING2("S60MCPR<%x>::PolicyNotification() EMPMStopIAPNotification IAP %d",(TInt*)this,notification.iInfo.iIap);

                //TODO migrate to use MCPR's TStop and vertical msg down. Not supported at the moment.

                /*PostToClients<TDefaultClientMatchPolicy>( TNodeCtxId( 0, Id() ),

                                                          TCFServiceProvider::TStop( KErrCancel ).CRef(),

                                                          TClientType( TCFClientType::EData) );*/

                }

#ifdef _DEBUG

            else

                {

                S60MCPRLOGSTRING2("S60MCPR<%x>::PolicyNotification() EMPMStopIAPNotification NO MATCH! IAP %d",(TInt*)this,notification.iInfo.iIap);

                }

#endif

            break;

            }

        default:

            {

#ifdef _DEBUG

            // In debug builds, panic

            _LIT( KPanicMsg,

                  "S60MCPR::NotificationReceived: Invalid case" );

            User::Panic( KPanicMsg, KErrNotSupported );

#endif

            break;

            }

        }

    }

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

// CS60MetaConnectionProvider::ReSendPolicyNotification

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

//

void CS60MetaConnectionProvider::ReSendPolicyNotification()

    {

    if ( iPendingNotification.Length() > 0 )

        {

        // Typically deliver the notification and resubmit a request for new one.

        TUint8* msgBufferPtr = const_cast<TUint8*>( iPendingNotification.Ptr() );

        TMpmNotification* notification = reinterpret_cast<TMpmNotification*>( msgBufferPtr );

        S60MCPRLOGSTRING1("S60MCPR<%x>::ReSendPolicyNotification()",(TInt*)this);

        PolicyNotification( *const_cast<TMpmNotification*>( notification ) );

        }

    }

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

// CS60MetaConnectionProvider::ClearPolicyNotification

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

//

void CS60MetaConnectionProvider::ClearPolicyNotification()

    {

    iPendingNotification.Zero();

    }

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

// CS60MetaConnectionProvider::StorePolicyNotification

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

//

void CS60MetaConnectionProvider::StorePolicyNotification( TMpmNotification& aNotification )

    {

    // Store PolicyNotification

    // This could happen if PolicyServer sends notification too early.

    //

    if ( iPendingNotification.Length() == 0 )

        {

        ASSERT(Mem::Copy((TAny*)iPendingNotification.Ptr(), &aNotification, aNotification.Length()));

        iPendingNotification.SetLength( aNotification.Length() );

        }

#ifdef _DEBUG

    else

        {

        S60MCPRLOGSTRING2("S60MCPR<%x>::StorePolicyNotification() Notification already exists",

                  (TInt*)this, reinterpret_cast<TMpmNotification*>( &iPendingNotification )->iMPMNotificationType);

        }

#endif

    }

// End of file