1 /** @file

     2 * Copyright (c) 2005-2006 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies  this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:  Implementation of RUpnpSessionBase

    15 *

    16 */

    17 

    18 #include "upnpsessionbase.h"

    19 // ======== LOCAL FUNCTIONS ========

    20 #include "upnpcustomlog.h"

    21 

    22 // -----------------------------------------------------------------------------

    23 // StartServer

    24 // Static method to start the server.

    25 // Start the server process. Simultaneous launching

    26 // of two such processes should be detected when the second one attempts to

    27 // create the server object, failing with KErrAlreadyExists.

    28 // -----------------------------------------------------------------------------

    29 //

    30 static TInt StartServer( TUid aUid3, const TDesC& aFileName )

    31     {

    32     const TUidType serverUid( KNullUid, KNullUid, aUid3 );

    33     RProcess server;

    34     TInt r = server.Create( aFileName, KNullDesC, serverUid );

    35     if ( r != KErrNone )

    36         {

    37         return r;

    38         }

    39     TRequestStatus stat;

    40     server.Rendezvous( stat );

    41     if ( stat != KRequestPending )

    42         {

    43         server.Kill( 0 ); // abort startup

    44         }

    45     else

    46         {

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

    48         }

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

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

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

    52     // from KErrNone

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

    54     server.Close();

    55     return r;

    56     }

    57 

    58 // -----------------------------------------------------------------------------

    59 // RUpnpSessionBase::Connect

    60 // Connect to the server, attempting to start it if necessary

    61 // -----------------------------------------------------------------------------

    62 EXPORT_C TInt RUpnpSessionBase::Connect( const TDesC& aServerName, TVersion aServerVersion,

    63     TInt aServerMessageSlots, TInt aServerStartRetryCount,

    64     const TDesC& aServerFileName, TUid aServerUid3 )

    65     {

    66     TInt retry = aServerStartRetryCount;

    67     for ( ;; )

    68         {

    69         TInt r = CreateSession( aServerName, aServerVersion, aServerMessageSlots );

    70         if ( r != KErrNotFound && r != KErrServerTerminated )

    71             {

    72             return r;

    73             }

    74         if ( --retry == 0 )

    75             {

    76             return r;

    77             }

    78         r = StartServer( aServerUid3, aServerFileName );

    79         if ( r != KErrNone && r != KErrAlreadyExists )

    80             {

    81             return r;

    82             }

    83         }

    84     }