/*

* 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:   SUPL Server startup code

*

*/

#include <e32base.h>

#include <e32math.h>

#include "epos_suplterminal.h"

#include "epos_suplterminalipc.h"

#include "epos_startsuplserver.h"

#ifdef _DEBUG

#include <e32debug.h>

#endif

_LIT(KSuplServerStartupSemaphoreName, "SuplServerStartupSem");

/**

 * Start the server process/thread which lives in an EPOCEXE object.

 *

 * \internal

 * @return KErrNone if successful, any other error code otherwise

 */

TInt RSuplTerminalServer::StartServer()

    {

    TRequestStatus started;

    TInt ret;

    RSemaphore startupSemaphore;

    ret = startupSemaphore.CreateGlobal( KSuplServerStartupSemaphoreName, 0 );

    if ( ret == KErrAlreadyExists )

        {

        // The server is starting up, but has not yet started 

        startupSemaphore.OpenGlobal( KSuplServerStartupSemaphoreName );

        // wait until the server has started up, Max 5 secs.

        TInt err = startupSemaphore.Wait(5000000); 

        startupSemaphore.Close();

        if (err != KErrNone)

        	return err;

        else

        	return ret;

        }

#ifdef _DEBUG

    RDebug::Print(_L("SuplApi: Starting SUPL Server..."));

#endif

    const TUidType serverUid(KNullUid, KNullUid, KSuplServerUid3);

    // Simultaneous launching of two such processes should be detected 

    // when the second one attempts to create the server object, 

    // failing with KErrAlreadyExists.

    //

    RProcess server;

    ret = server.Create(KSuplServerImg, KNullDesC, serverUid);

    if (ret != KErrNone)

        {

#ifdef _DEBUG

        RDebug::Print(_L("SuplTerminalApi: server start failed %d"), ret);

#endif

        startupSemaphore.Close();

        return ret;

        }

    TRequestStatus died;

    server.Rendezvous(died);

    if (died != KRequestPending)

        {

        // logon failed - server is not yet running, so cannot have terminated

        User::WaitForRequest(died); // eat signal

        server.Kill(0);                         // abort startup

        }

    else

        {

        server.Resume();

        }

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

    // we can't use the 'exit reason' if the server panicked as this

    // is the panic 'reason' and may be '0' which cannot be distinguished

    // from KErrNone

    ret = (server.ExitType() == EExitPanic) ? KErrGeneral : died.Int();

    server.Close();

    startupSemaphore.Wait();

    startupSemaphore.Close();

    return ret;

    }

//

// End of file