1 // Copyright (c) 2006-2009 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 the License "Symbian Foundation License v1.0"

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.symbianfoundation.org/legal/sfl-v10.html".

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 // serverlaunch.cpp

    15 // 

    16 //

    17 

    18 #include "cserverlaunch.h"

    19 #include "tserverstartparams.h"

    20 

    21 /** Launch the server by specified parameters

    22 find the process and launch it

    23 

    24 @param aParams A reference to TProcessStartParams object

    25 @return Symbian error code

    26 @see TProcessStartParams

    27 @internalTechnology

    28 @released

    29  */

    30 TInt CServerLaunch::ServerLaunch(TServerStartParams& aParams)

    31 	{

    32 	TFindServer serverSearcher(aParams.GetServerName());

    33 	TFileName matchingFileName;

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

    35 	if(error==KErrNone)

    36 		{

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

    38 		}

    39 	else

    40 		{

    41 		error = CreateServerProcess(aParams);		

    42 		}

    43 	return error;

    44 	}

    45 

    46 /** create server process by specified parameters

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

    48 

    49 @param aParams A reference to TProcessStartParams object

    50 @return Symbian error code

    51 @see TProcessStartParams

    52 @internalTechnology

    53 @released

    54  */

    55 TInt CServerLaunch::CreateServerProcess(TServerStartParams& aParams)

    56 	{

    57 	RProcess server;

    58  	

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

    60 	if (r!=KErrNone)

    61 		return r;

    62 	TRequestStatus stat;

    63 	server.Rendezvous(stat);

    64 	if (stat!=KRequestPending)

    65 		{

    66 		server.Kill(0);

    67 		}

    68 	else

    69 		{

    70 		server.Resume();

    71 		}

    72 	User::WaitForRequest(stat);

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

    74 	server.Close();

    75 	return r;

    76 	}

    77