/** @file

* Copyright (c) 2005-2006 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:  CUpnpAVCPEngineSession

*

*/

// INCLUDE FILES

#include "upnpavcpenginesession.h"

#include "upnpavcpmanager.h"

#include "upnpavcontrolpoint.h"

#include "upnpcommand.h"

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

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

// CUpnpAVCPEngineSession::CContentControlSession

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

// might leave.

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

//

CUpnpAVCPEngineSession::CUpnpAVCPEngineSession( const RThread& /*aClient*/, 

                                                CUpnpAVCPEngine& aAVCPEngine, 

                                                CUpnpAVCPManager& aManager)

    : CSession2(),

    iAVCPEngine( aAVCPEngine ),

    iAVCPManager( aManager )

    {

    }

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

// CUpnpAVCPEngineSession::ConstructL

// Symbian 2nd phase constructor can leave.

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

//

void CUpnpAVCPEngineSession::ConstructL()

    {    

    iAVCPEngine.IncrementSessions(this);

    }

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

// CUpnpAVCPEngineSession::~CUpnpAVCPEngineSession

// Destructor.

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

//

CUpnpAVCPEngineSession::~CUpnpAVCPEngineSession()

    {

    iAVCPEngine.DecrementSessions(this);

    iCommandList.ResetAndDestroy();

    }

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

// CUpnpAVCPEngineSession::ServiceL

// Handle client requests.

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

//

void CUpnpAVCPEngineSession::ServiceL( const RMessage2& aMessage )

    {

	TInt index = KErrNotFound;

    switch ( aMessage.Function() )

        {

        // getting result from previous invoked command

        case EDownloadDeviceList:  

        case EDownloadDirList:                    

        case EDownloadMetadata:   

        	DEBUGSTRING(("Command for results with id %d", aMessage.Int0()));

            index = CommandById(aMessage.Int0());

            if (index != KErrNotFound) 

            {

                CUpnpCommand* resultCommand =  iCommandList[index];

                CleanupStack::PushL(resultCommand);

                resultCommand->SetResultL(aMessage);

                CleanupStack::PopAndDestroy(resultCommand);

                aMessage.Complete(KErrNone);

            }

            else 

            {

            	DEBUGSTRING(("Results not found %d", aMessage.Int0()));

                aMessage.Complete(KErrNotFound);

            }

            break;

        // all else commands

        default:

            CUpnpCommand* command = CUpnpCommand::NewL(iAVCPManager, *this, aMessage);            

            if (command) 

            {            	

                iCommandList.AppendL(command);

                CleanupStack::PushL(command);

                command->ExecuteL();

                CleanupStack::Pop(command); // it will be destroyed after completion

            }

            else 

            {                            

                PanicClient( aMessage, EAVCPEngineBadRequest );

            }

            break;

        }

	}

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

// CUpnpAVCPEngineSession::RemoveCommand

// remove command

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

//

void CUpnpAVCPEngineSession::RemoveCommand(CUpnpCommand* aCommand) 

	{

    TInt index = iCommandList.Find(aCommand); 

    if (index != KErrNotFound) 

	    {

	    DEBUGSTRING8(("CUpnpAVCPEngineSession::RemoveCommand with index %d", index));

	    iCommandList.Remove(index); 

	    }

	}

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

// CUpnpAVCPEngineSession::CommandById

//  Index of command with given id

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

//

TInt CUpnpAVCPEngineSession::CommandById(TInt aId) 

	{

    TInt i = KErrNotFound;

    for ( i=0; i < iCommandList.Count() && iCommandList[i]->Id() != aId; i++ )

    {}

    if ( i != iCommandList.Count() )

	    {

        return i;

	    }

    return KErrNotFound;   

	}

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

// CUpnpAVCPEngineSession::PanicClient

//  Panic client

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

//

void CUpnpAVCPEngineSession::PanicClient( const RMessage2 &aMessage, TInt aPanic ) const

	{

	aMessage.Panic( KAVCPEngine, aPanic ) ; // Note: this panics the client thread, not server

	}

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

// CUpnpAVCPEngineSession::NewL

// Two-phased constructor.

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

//

CUpnpAVCPEngineSession* CUpnpAVCPEngineSession::NewL( 

                                             const RThread& aClient, 

                                             CUpnpAVCPEngine& aServer, 

                                             CUpnpAVCPManager& aManager )

    {

    CUpnpAVCPEngineSession* self = new (ELeave) CUpnpAVCPEngineSession( 

        aClient, aServer, aManager);

    CleanupStack::PushL( self );

    self->ConstructL() ;

    CleanupStack::Pop( self ) ;

    return self ;

    }

// End of File