/*

* Copyright (c) 2008 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:  Content Publisher Server Session

 *

*/

// INCLUDE FILES

#include <s32mem.h>

// for CleanupResetAndDestroyPushL

#include <mmf/common/mmfcontrollerpluginresolver.h>

#include <liwgenericparam.h>

#include "cpserversession.h"

#include "cpliwmap.h"

#include "cpublisherregistrymap.h"

#include "cpsecuritypolicy.h"

#include "cpserverdef.h"

#include "cpdebug.h"

#include "cpserver.h"

#include "cpserverdatamanager.h"

#include "cpactionhandlerthread.h"

#include "cpnotificationhandler.h"

using namespace LIW;

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

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

// CCPServerSession::NewL

// Two-phased constructor.

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

//

CCPServerSession* CCPServerSession::NewL( TPointersForSession& aPasser )

    {

    CCPServerSession* self = CCPServerSession::NewLC( aPasser );

    CleanupStack::Pop( self ) ;

    return self;

    }

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

// CCPServerSession::NewLC

// Two-phased constructor.

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

//

CCPServerSession* CCPServerSession::NewLC( TPointersForSession& aPasser )

    {

    CCPServerSession* self = new ( ELeave ) CCPServerSession();

    CleanupStack::PushL( self );

    self->ConstructL( aPasser ) ;

    return self;

    }

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

// CCPServerSession::~CCPServerSession

// Destructor.

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

//

CCPServerSession::~CCPServerSession()

    {

    //remove notification handler from an array of sessions in data manager

    if ( iNotificationHandler && iDataManager )

        {

        iDataManager->RemoveObserver( iNotificationHandler );

        }

    if ( isRegister && iNotificationHandler )

        {

        iNotificationHandler->ErrorComplete( KErrCancel );

        }

    if ( iServer )

        {

        iServer->RemoveSession( );

        }

    delete iNotificationHandler;

    delete iParamList;

    }

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

// CCPServerSession::CCPServerSession

// C++ default constructor can NOT contain any code, that

// might leave.

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

//

CCPServerSession::CCPServerSession() :

    CSession2()

    {

    }

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

// CCPServerSession::ConstructL

// Symbian 2nd phase constructor can leave.

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

//

void CCPServerSession::ConstructL( TPointersForSession& aPasser )

    {

    CP_DEBUG( _L8("CCPServerSession::ConstructL()") );

    iDataManager = aPasser.iDataManager;

    iServer = aPasser.iServer;

    iActionHandlerThread = aPasser.iActionHandlerThread;

    iServer->AddSession( );

    isRegister = EFalse;

    }

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

// CCPServerSession::ServiceL

// Handle client requests.

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

//

void CCPServerSession::ServiceL( const RMessage2& aMessage )

    {

    CP_DEBUG( _L8("CCPServerSession::ServiceL()" ) );

    TBool serverLocked = GetServerLock( aMessage );

    if ( serverLocked )

        {

        aMessage.Complete( KErrLocked );

        }

    else

        {

        TInt err(KErrNone);

        TBool panicedClient(EFalse);

        TRAP( err , DispatchMessageL( aMessage, panicedClient ) );

        if ( (!(aMessage.Function( ) == ECpServerRegisterObserver ) 

            || err == KErrInUse) && !panicedClient )

            {

            aMessage.Complete( err );

            }

        }

    }

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

// CCPServerSession::ServiceL

// Handle client requests.

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

//

void CCPServerSession::DispatchMessageL( const RMessage2& aMessage, TBool& aPanicedClient )

    {

    CP_DEBUG( _L8("CCPServerSession::DispatchMessageL()" ) );

    switch ( aMessage.Function( ) )

        {

        case ECpServerAddData:

            AddDataL( aMessage );

            break;

        case ECpServerAddDataNonPersistent:

            AddDataNonPersistentL( aMessage );

            break;

        case ECpServerGetListSize:

            GetListSizeL( aMessage );

            break;

        case ECpServerGetListData:

            GetListDataL( aMessage );

            break;

        case ECpServerRemoveData:

            RemoveDataL( aMessage );

            break;

        case ECpServerRegisterObserver:

            RegisterObserverL( aMessage );

            break;

        case ECpServerAddObserver:

            AddObserverL( aMessage );

            break;

        case ECpServerRemoveObserver:

            RemoveObserverL( aMessage );

            break;

        case ECpServerUnRegisterObserver:

            UnregisterObserverL( );

            break;

        case ECpServerGetChangeInfoData:

            GetChangeInfoDataL( aMessage );

            break;

        case ECpServerExecuteAction:

            ExecuteActionL( aMessage );

            break;

        default:

            iServer->PanicClient( aMessage, ECPServerBadRequest );

            aPanicedClient = ETrue;

            break;

        }

    }

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

// CCPServerSession::AddDataL

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

//

void CCPServerSession::AddDataL( const RMessage2& aMessage )

    {

    CP_DEBUG( _L8("CCPServerSession::AddDataL()" ) );

    CCPLiwMap* map = UnpackFromClientLC( aMessage );  

    map->SetSecurityL( aMessage );

    TBool activateSupport = map->ActivateActionSupport( );

    TUint id( 0 );

    id = iDataManager->AddDataL( *map );

    TPckg<TUint> idData(id);

    aMessage.WriteL( KReturnPosition, idData );

	if(activateSupport)

	    {

	    CLiwDefaultList* list = CLiwDefaultList::NewLC( );

	    // execute activation or deactivation action for publisher

	    TRAP_IGNORE( GetAndExecuteActionL( map, list ) );

	    TRAP_IGNORE( SendNotificationL( map, list ) );

	    CleanupStack::PopAndDestroy( list );

	    }

    CleanupStack::PopAndDestroy( map );

    }

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

// CCPServerSession::AddDataNonPersistentL

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

//

void CCPServerSession::AddDataNonPersistentL( const RMessage2& aMessage )

    {

    CP_DEBUG( _L8("CCPServerSession::AddDataL()" ) );

    CCPLiwMap* map = UnpackFromClientLC( aMessage );

    map->SetSecurityL( aMessage );

    TUint id( 0 );

    TPckg<TUint> idData(id);

    iDataManager->AddNonPersistentDataL( map );

    aMessage.WriteL( KReturnPosition, idData );

    CleanupStack::PopAndDestroy( map );

    }

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

// CCPServerSession::GetListL

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

//

void CCPServerSession::GetListSizeL( const RMessage2& aMessage )

    {

    CP_DEBUG( _L8("CCPServerSession::GetListSizeL()" ) );

    CCPLiwMap* map = UnpackFromClientLC( aMessage );

    map->SetSecurityL( aMessage );

    delete iParamList;

    iParamList = NULL;

    iParamList = CLiwGenericParamList::NewL( );

    iDataManager->GetListL( *map, *iParamList );

    TPckg<TInt> sizeDes(iParamList->Size( ) );

    aMessage.WriteL( KReturnPosition, sizeDes );

    CleanupStack::PopAndDestroy( map );

    }

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

// CCPServerSession::GetListDataL

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

//

void CCPServerSession::GetListDataL( const RMessage2& aMessage )

    {

    CP_DEBUG( _L8("CCPServerSession::GetListDataL()" ) );

    if( iParamList )

        {

        ExternalizeAndWriteToClientL( aMessage, iParamList );

        delete iParamList;

        }

    iParamList = NULL;

    }

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

// CCPServerSession::RemoveDataL

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

//

void CCPServerSession::RemoveDataL( const RMessage2& aMessage )

    {

    CP_DEBUG( _L8("CCPServerSession::RemoveDataL()" ) );

    CCPLiwMap* map = UnpackFromClientLC( aMessage );

    map->SetSecurityL( aMessage );

    iDataManager->RemoveDataL( *map );

    CleanupStack::PopAndDestroy( map );

    }

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

// CCPServerSession::ExecuteActionL

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

//

void CCPServerSession::ExecuteActionL( const RMessage2& aMessage )

    {

    TInt error(KErrNone);

    CP_DEBUG( _L8("CCPServerSession::ExecuteActionSizeL()" ) );

    CCPLiwMap* map = UnpackFromClientLC( aMessage );

    CLiwGenericParamList* paramList = CLiwGenericParamList::NewLC( );

    CLiwDefaultList* list = CLiwDefaultList::NewLC();

    error = iDataManager->GetActionL( *map, *paramList, list );

    //we notify apart from action execution result. So in fact

    //notification means there was an attempt to execute action 

    iDataManager->HandleChangeL( list );

    User::LeaveIfError( error );

    ExecuteL( *paramList );    

    CleanupStack::PopAndDestroy( list );

    CleanupStack::PopAndDestroy( paramList );

    CleanupStack::PopAndDestroy( map );

    }

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

// CCPServerSession::ExecuteL

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

//

void CCPServerSession::ExecuteL(

        const CLiwGenericParamList& aActionParams )

    {

    for ( TInt i = 0; i < aActionParams.Count(); i++ )

    	{

		TLiwGenericParam param;

 	    param.PushL();

    	aActionParams.AtL( i, param );

    	CLiwGenericParamList* singleAction = CLiwGenericParamList::NewLC();

    	singleAction->AppendL( param );

    	TRAP_IGNORE( iActionHandlerThread->ExecuteL( *singleAction ) );

    	CleanupStack::PopAndDestroy( singleAction );

		CleanupStack::PopAndDestroy( &param );

    	}

    }

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

// CCPServerSession::RegisterObserverL

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

//

void CCPServerSession::RegisterObserverL( const RMessage2& aMessage )

    {

    CP_DEBUG( _L8("CCPServerSession::RegisterObserverL()" ) );

    if ( !isRegister )

        {

        if (aMessage.Int3() != KErrAlreadyExists &&

            aMessage.GetDesLength( KDescriptorPosition) < KErrNone )

            {

            iServer->PanicClient( aMessage, ECPServerBadRequest );

            User::Leave( KErrGeneral );

            }

        if ( !iNotificationHandler )

            {

            iNotificationHandler = CCPNotificationHandler::NewL(

                                               iServer->GetNotifications());

            iDataManager->AddObserverL( iNotificationHandler );

            }

        iNotificationHandler->SaveMessageL( aMessage );

        isRegister = ETrue;

        }

    else

        {

        User::Leave( KErrInUse );

        }

    }

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

// CCPServerSession::AddObserverL

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

//

void CCPServerSession::AddObserverL( const RMessage2& aMessage )

    {

    CP_DEBUG( _L8("CCPServerSession::AddObserverL()" ) );

    if( iNotificationHandler )

        {

        iNotificationHandler->AddObserverL( aMessage );

        }

    }

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

// CCPServerSession::RemoveObserverL

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

//

void CCPServerSession::RemoveObserverL( const RMessage2& aMessage )

    {

    CP_DEBUG( _L8("CCPServerSession::RemoveObserverL()" ) );

    if( iNotificationHandler )

        {

        iNotificationHandler->RemoveObserverL( aMessage );

        }

    }

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

// CCPServerSession::UnregisterObserverL

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

//

void CCPServerSession::UnregisterObserverL()

    {

    CP_DEBUG( _L8("CCPServerSession::UnregisterObserverL()" ) );

    if ( isRegister )

        {

        //remove notification handler from an array of sessions in data manager

        iDataManager->RemoveObserver( iNotificationHandler );

        //reset filter for this session

        iNotificationHandler->ErrorComplete( KErrCancel );

        delete iNotificationHandler;

        iNotificationHandler = NULL;

        isRegister = EFalse;

        }

    else

        {

        User::Leave( KErrNotFound );

        }

    }

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

// CCPServerSession::GetChangeInfoDataL

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

//

void CCPServerSession::GetChangeInfoDataL( const RMessage2& aMessage )

    {

    CP_DEBUG( _L8("CCPServerSession::GetChangeInfoData()" ) );

    if( iNotificationHandler )

        {

        isRegister = EFalse;

        ExternalizeAndWriteToClientL( aMessage,

            iNotificationHandler->GetPointerToChangeInfoList( ) );

        iNotificationHandler->Reset( );

        }

    }

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

// CCPServerSession::ExternalizeAndWriteToClient

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

//

void CCPServerSession::ExternalizeAndWriteToClientL(

    const RMessage2& aMessage, const CLiwGenericParamList* outParamList )

    {

    CP_DEBUG( _L8("CCPServerSession::ExternalizeAndWriteToClientL()" ) );

    HBufC8* buf = HBufC8::NewLC( outParamList->Size( ) );

    TPtr8 des = buf->Des( );

    RDesWriteStream writeStream(des);

    CleanupClosePushL( writeStream );

    outParamList->ExternalizeL( writeStream );

    writeStream.CommitL( );

    aMessage.WriteL( KDescriptorPosition, des );

    CleanupStack::PopAndDestroy( &writeStream );

    CleanupStack::PopAndDestroy( buf );

    }

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

// 

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

//

CCPLiwMap* CCPServerSession::UnpackFromClientLC( const RMessage2& aMessage )

    {

    CP_DEBUG( _L8("CCPServerSession::UnpackFromClientLC()") );

    TInt deslen = aMessage.GetDesLengthL( KDescriptorPosition );

    HBufC8* buffer = HBufC8::NewLC( deslen );

    TPtr8 tempDes = buffer->Des( );

    aMessage.Read( KDescriptorPosition, tempDes );

    RDesReadStream datastrm( *buffer);

    CleanupClosePushL( datastrm );

    CCPLiwMap* inParamList = CCPLiwMap::NewL( datastrm );

    CleanupStack::PopAndDestroy( &datastrm );

    CleanupStack::PopAndDestroy( buffer );

    inParamList->PushL( );

    return inParamList;

    }

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

// CCPServerSession::SendNotificationL

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

//

void CCPServerSession::SendNotificationL( CCPLiwMap* aMap, 

		CLiwDefaultList* aNotificationList ) 

    {

    RBuf8 trigger;

    trigger.CleanupClosePushL();

    aMap->GetPropertyL( KActionTrigger, trigger );

    if( ( trigger == KActivateTrigger ) || ( trigger == KDeactivateTrigger ) )

        {

        iDataManager->HandleChangeL( aNotificationList );

        }

    CleanupStack::PopAndDestroy( &trigger );

    }

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

// CCPServerSession::GetAndExecuteActionL

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

//

void CCPServerSession::GetAndExecuteActionL( CCPLiwMap* aMap,

		CLiwDefaultList* aNotificationList, TBool aInsertTrigger )

    {

    if (aInsertTrigger)

        {

        aMap->InsertL( KActionTrigger, TLiwVariant( KActivateTrigger ) ); 

        }

    CLiwGenericParamList* paramList = CLiwGenericParamList::NewLC();

    iDataManager->GetActionL( *aMap, *paramList, aNotificationList );

    iActionHandlerThread->ExecuteL( *paramList );    

    CleanupStack::PopAndDestroy( paramList );

    }

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

// CCPServerSession::GetServerLock

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

//

TBool CCPServerSession::GetServerLock( const RMessage2& aMessage )

	{

	// Allways allow to unregister

	return ( (aMessage.Function() != ECpServerUnRegisterObserver) 

			&& iServer->GetLock() ); 

	}

// End of File