/*

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

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "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:

*

*/

#include "../../public/clientServerShared.h"

#include "classControllerClientSession.h"

/**

 * Function used by RClassControllerClient::Connect member function.

 * It exists to create a new process which contains the server side code.

 *

 * @return Value of error code created

 */

static TInt StartServer()

	{

	const TUidType serverUid(KNullUid, KNullUid, KObexCCUid);

	RProcess server;

	TInt err = server.Create(KServerExe, KNullDesC, serverUid);

	if ( err != KErrNone )

		{

		return err;

		}

	TRequestStatus stat;

	server.Rendezvous(stat);

	if ( stat != KRequestPending )

		{

		server.Kill(0); 	// abort startup

		}

	else

		{

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

		}

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

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

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

	// from KErrNone

	err = (server.ExitType() == EExitPanic) ? KErrServerTerminated : stat.Int();

	server.Close();

	return err;

	}

/**

 * Function that creates a session with the server and then returns the appropriate error code.

 * Then calls StartServer to start the process with the server side code.

 * 

 * @return Value of error code produced

 */

EXPORT_C TInt RClassControllerClient::Connect()

	{

	TInt retry = 2;

	FOREVER

		{

		//Create Session, With server name from shared header 

		//And lowest version number of the server with which this client is compatible. 

		//Number of message slots available, -1 for meessages from global free pool

		TInt err = CreateSession(KServerName, TVersion(KMajorVersionNumber,KMinorVersionNumber,KBuildVersionNumber), KMessageSlots);

		if ((err != KErrNotFound) && (err != KErrServerTerminated))

			{

			return err;

			}

		if (--retry == 0)

			{

			return err;

			}

		err = StartServer();

		if ((err != KErrNone) && (err != KErrAlreadyExists))

			{

			return err;

			}

		}

	}

/**

 * Function that sends a message to the server to initiate the start

 * of an Obex Service. On completion, TRequestStatus contains error code.

 *

 * @return Value of TRequestStatus 

 */

EXPORT_C TInt RClassControllerClient::StartService()

	{

	return (SendReceive(EStartClassContServer));

	}

/**

 * Function that sends a message to the server to initiate the stop

 * of an Obex Service. On completion, TRequestStatus contains error code.

 *

 * @return Value of TRequestStatus 

 */

EXPORT_C TInt RClassControllerClient::StopService()

	{

	return (SendReceive(EStopClassContServer));

	}