// Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies).

// All rights reserved.

// This component and the accompanying materials are made available

// under the terms of the License "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:

// serverlaunch.cpp

// 

//

#include "cserverlaunch.h"

#include "tserverstartparams.h"

/** Launch the server by specified parameters

find the process and launch it

@param aParams A reference to TProcessStartParams object

@return Symbian error code

@see TProcessStartParams

@internalTechnology

@released

 */

TInt CServerLaunch::ServerLaunch(TServerStartParams& aParams)

	{

	TFindServer serverSearcher(aParams.GetServerName());

	TFileName matchingFileName;

	TInt error = serverSearcher.Next(matchingFileName); // we haev asked for a exact match, so the retunred filename can be ignored

	if(error==KErrNone)

		{

		return KErrNone; // found it, so some other kind process has just started the server for us

		}

	else

		{

		error = CreateServerProcess(aParams);		

		}

	return error;

	}

/** create server process by specified parameters

signal the clients and start the process, wait for any request.

@param aParams A reference to TProcessStartParams object

@return Symbian error code

@see TProcessStartParams

@internalTechnology

@released

 */

TInt CServerLaunch::CreateServerProcess(TServerStartParams& aParams)

	{

	RProcess server;

 	TInt r=server.Create(aParams.GetServerFileName(),aParams.GetAsCommandLine());

	if (r!=KErrNone)

		return r;

	TRequestStatus stat;

	server.Rendezvous(stat);

	if (stat!=KRequestPending)

		{

		server.Kill(0);

		}

	else

		{

		server.Resume();

		}

	User::WaitForRequest(stat);

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

	server.Close();

	return r;

	}