multimediacommsengine/mmcecli/src/mceserverstarter.cpp
author hgs
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/*
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* Copyright (c) 2005 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:    
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*
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*/
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#include <e32math.h>
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#include "mceserverstarter.h"
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#include "mceclientserver.h"
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#define RETURN_IF_ERROR(err) {TInt _err=err; if(_err!=KErrNone) {return _err;}}
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// -----------------------------------------------------------------------------
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// MceServerStarter::Start
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// -----------------------------------------------------------------------------
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//
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TInt MceServerStarter::Start ()
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	{
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	TInt err = KErrNone;
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    TFindServer findServer( KMceServerName );
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    TFullName name;
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	if ( findServer.Next( name ) == KErrNone) 
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        {
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        return KErrNone; // Server already running
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        }
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	RSemaphore semaphore;
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	err = semaphore.CreateGlobal( KMceServerSemaphoreName , 0 );
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	if ( err != KErrNone )
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		{
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		return err;
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		}
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	err = CreateServerProcess( semaphore );
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	semaphore.Close ();
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    return err;
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	}
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// -----------------------------------------------------------------------------
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// MceServerStarter::CreateServerProcess
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// -----------------------------------------------------------------------------
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//
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TInt MceServerStarter::CreateServerProcess (RSemaphore& aSemaphore)
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	{
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	const TUidType serverUid (KNullUid, KNullUid, KServerUid3);
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#if ((defined (__WINS__) || defined(__WINSCW__)) && !defined (EKA2))
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	RLibrary lib;
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    RETURN_IF_ERROR (lib.Load(KMceServerFilename,serverUid))
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    //  Get the WinsMain function
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	TLibraryFunction functionWinsMain = lib.Lookup (1);
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    //  Call it and cast the result to a thread function
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	TThreadFunction serverThreadFunction = 
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        reinterpret_cast<TThreadFunction> (functionWinsMain());
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	TName threadName (KSipServerName);
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	// Append a random number to make it unique
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	threadName.AppendNum (Math::Random(), EHex);
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	RThread server;
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    TInt err = server.Create (threadName,
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                              serverThreadFunction, // thread's main function
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                              KDefaultStackSize,
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                              NULL,
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                              &lib,
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                              NULL,
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                              KServerMinHeapSize,
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                              KServerMaxHeapSize,
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                              EOwnerProcess );
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	lib.Close ();	// if successful, server thread has handle to library now
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    RETURN_IF_ERROR (err)
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	server.SetPriority (EPriorityMore);
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#else // HW build
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	RProcess server;
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	RETURN_IF_ERROR (server.Create( KMceServerName, KNullDesC, serverUid ) )
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#endif
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	server.Resume ();
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	aSemaphore.Wait();
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	TInt exitReason = server.ExitReason();
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	server.Close ();
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    return exitReason;
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	}