/*

* Copyright (c) 2007-2008 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:  Implementation of FSMailServer startup and other basic 

*                functionality

*

*/

#include "emailtrace.h"

#include <e32base.h>

#include <eikstart.h>

#include <eikenv.h>

#include <bautils.h>

#include "fsmailserverdefinitions.h"

#include "FsEmailGlobalDialogsApplication.h"

_LIT( KFSMailServerName, "FSMailServer" );

// ======== GLOBAL FUNCTIONS ========

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

// Checks if the process is already running

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

//

LOCAL_C TBool IsMailServerRunning()

    {

    TBool oneIsRunning( EFalse );

    TFileName fileName;

    TFindProcess finder;

    while ( finder.Next( fileName ) == KErrNone )

        {

        RProcess process;

        TInt outcome = process.Open( fileName );

        if ( outcome != KErrNone )

            {

            continue;

            }

        // Check is this mail server process and is it running

        if ( process.SecureId() == KFSMailServerUid && 

             process.ExitType() == EExitPending )

            {

            if ( oneIsRunning )

                {

                // Found second process with the same sid. This

                // means that one other process besides this process

                // with the same sid is already running.

                // So one instance of fsmailserver is already running.

                process.Close();

                return ETrue;

                }

            else

                {

                oneIsRunning = ETrue;

                }

            }

        process.Close();

        }

    return EFalse;

    }

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

// Create new FSMailServer application, called by UI framework

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

//

LOCAL_C CApaApplication* NewApplication()

    {

    FUNC_LOG;

    return new CFsEmailGlobalDialogsApplication;

    }

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

// Main function of the application executable.

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

//

GLDEF_C TInt E32Main()

    {

    TInt error = KErrNone;

    // First check that the server isn't already running

    if ( IsMailServerRunning() )

        {

        error = KErrAlreadyExists;

        }

    // Start application server if we aren't already running

    if( error == KErrNone )

        {

        // Rename to help identification in error situations

        error = User::RenameThread( KFSMailServerName );

        if( error != KErrNone )

            {

            // Keep on going even if thread renaming fails

        }

        error = EikStart::RunApplication( NewApplication );

        }

    return error;

    }