1 // Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

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

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 // Name          : SIPServerStarter.cpp

    15 // Part of       : SIPClient

    16 // Version       : SIP/4.0 

    17 //

    18 

    19 

    20 

    21 

    22 #include <e32math.h>

    23 #include "SIPServerStarter.h"

    24 #include "sipclientserver.h"

    25 #include "sipclient.pan"

    26 

    27 _LIT(KSipServerStarterMutex, "SipServerStarterMutex");

    28 

    29 #define RETURN_IF_ERROR(err) {TInt _err=err; if(_err!=KErrNone) {return _err;}}

    30 

    31 // -----------------------------------------------------------------------------

    32 // SIPServerStarter::Start

    33 // -----------------------------------------------------------------------------

    34 //

    35 TInt SIPServerStarter::Start ()

    36 	{

    37 	TInt err = KErrNone;

    38 

    39     RMutex mutex;

    40     err = mutex.CreateGlobal(KSipServerStarterMutex);

    41     if (err != KErrNone)

    42         {

    43         err = mutex.OpenGlobal(KSipServerStarterMutex);

    44         if (err != KErrNone)

    45             {

    46             return err;

    47             }

    48         }

    49     mutex.Wait();   

    50         {

    51         // Protected with a mutex

    52         TFindServer findServer(KSipServerName);

    53         TFullName name;

    54 	    if (findServer.Next(name) == KErrNone) 

    55             {

    56             mutex.Signal();

    57             mutex.Close();

    58             return KErrNone; // Server already running

    59             }

    60 		

    61 	    RSemaphore semaphore;

    62 	    err = semaphore.CreateGlobal(KSipServerSemaphoreName,0);

    63 	    if (err == KErrNone)

    64 		    {

    65 	        err = CreateServerProcess(semaphore);

    66 	        semaphore.Close();

    67 		    }

    68         }

    69     mutex.Signal();

    70     mutex.Close();

    71 

    72     return err;

    73 	}

    74 

    75 // -----------------------------------------------------------------------------

    76 // SIPServerStarter::CreateServerProcess

    77 // -----------------------------------------------------------------------------

    78 //

    79 TInt SIPServerStarter::CreateServerProcess (RSemaphore& aSemaphore)

    80 	{

    81 	const TUidType serverUid (KNullUid, KNullUid, KServerUid3);

    82 	RProcess server;

    83 	RETURN_IF_ERROR(server.Create(KSipServerName,KNullDesC,serverUid))

    84 	server.Resume ();

    85 	aSemaphore.Wait();

    86 	TInt exitReason = server.ExitReason();

    87 	server.Close ();

    88     return exitReason;

    89 	}