/** @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:  Base class to connect with server AVCPEngine

*

*/

// INCLUDE FILES

#include <e32math.h>

#include "upnpavcpengineclient.h"

#include <Uri16.h>

// Number of message slots to reserve for this client server session.

const TUint KDefaultMessageSlots = 10;

const TUid KServerUid3 = {0x101F977A};

// Function prototypes

static TInt StartServer( void );

static TInt CreateServerProcess( void );

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

// RUpnpAVCPEngineClient::RUpnpAVCPEngineClient

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

// might leave.

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

//

RUpnpAVCPEngineClient::RUpnpAVCPEngineClient()

    :RSessionBase()

    {

    }

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

// RUpnpAVCPEngineClient::Connect

// Connect to ... session.

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

//

EXPORT_C TInt RUpnpAVCPEngineClient::Connect()

    {

    TInt error = ::StartServer();

    if ( KErrNone == error )

        {

        error = CreateSession( KAVCPEngineName,

                               Version(),

                               KDefaultMessageSlots );

        }

    return error;

    }

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

// RUpnpAVCPEngineClient::Version

// Version information.

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

//

TVersion RUpnpAVCPEngineClient::Version() const

    {

	return( TVersion( KAVCPEngineMajorVersionNumber,

                      KAVCPEngineMinorVersionNumber,

                      KAVCPEngineBuildVersionNumber ) );

    }

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

// StartServer

// Static method to start the server.

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

//

static TInt StartServer()

    {

    TInt result;

    TFindServer findMessageHandler( KAVCPEngineName );

    TFullName name;

	result = findMessageHandler.Next( name );

	if ( result == KErrNone )

        {

		// Server already running

		return KErrNone;

	    }

    result = CreateServerProcess();

    if ( result != KErrNone )

        {

        return  result;

        }

    return  KErrNone;

    }

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

// CreateServerProcess

// Static method to create the server process.

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

//

static TInt CreateServerProcess()

    {

    TInt result;

	const TUidType serverUid( KNullUid, KNullUid, KServerUid3 );

	RProcess server;

	result = server.Create( KAVCPEngineFilename, KNullDesC, serverUid );

    if ( result != KErrNone )

        {

        return  result;

        }

    TRequestStatus stat = KRequestPending;

    server.Rendezvous(stat);

    if ( stat != KRequestPending )

        {

        server.Kill( 0 );       // abort startup

        }

    else

        {

        server.Resume();    // logon OK - start the server

        }

    User::WaitForRequest(stat);     // wait for start or death

    result = (server.ExitType()==EExitPanic) ? KErrGeneral : stat.Int();    

    server.Close(); 

    return result;

    }

//  End of File