/*

* Copyright (c) 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 "dbgtrccliutils.h"

// System includes

#include <e32std.h>

// User includes

#include "dbgtrcclidefs.h"

//

// DbgTrcCliUtils (source)

//

//

// DbgTrcCliUtils::Panic()

//

// Panic the client

//

void DbgTrcCliUtils::Panic(TDbgTrcCliPanic aPanic)

{

	_LIT(KDbgTrcCliPanic, "DBGTRCCLI");

	User::Panic(KDbgTrcCliPanic, aPanic);

}

//

// DbgTrcCliUtils::Fault()

//

// Panic the client, indicating some form of logic error or terminal

// fault.

//

void DbgTrcCliUtils::Fault(TDbgTrcCliFault aFault)

{

	_LIT(KDbgTrcCliFault, "DBGTRCCLIFAULT");

	User::Panic(KDbgTrcCliFault, aFault);

}

//

// DbgTrcCliUtils::StartDbgTrcServer()

//

// Starts the DbgTrc server.

// @return KErrNone if successful, 

//		   KErrAlreadyExists if the server is already running, otherwise a system-wide error.

TInt DbgTrcCliUtils::StartDbgTrcServer()

{

	TInt ret = KErrNone;

	//

	// Create a new server process. Simultaneous launching

	// of two such processes should be detected when the second one attempts to

	// create the server object, failing with KErrAlreadyExists.

	//

	RProcess server;

	ret = server.Create(DbgTrcCliDefs::ServerImageName(), KNullDesC, DbgTrcCliDefs::ServerUid());

	// Did we manage to create the thread/process?

	if	(ret != KErrNone)

		return ret;

	// Wait to see if the thread/process died during construction

	TRequestStatus serverDiedRequestStatus;

#if defined(EKA2)

	server.Rendezvous(serverDiedRequestStatus);

#else

	server.Logon(serverDiedRequestStatus);

#endif

	if	(serverDiedRequestStatus != KRequestPending)

	{

		// Abort startup

		server.Kill(KErrNone);

	}

	else

	{

		// Logon OK - start the server

		server.Resume();

	}

	User::WaitForRequest(serverDiedRequestStatus);

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

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

	// from KErrNone

	ret = (server.ExitType() == EExitPanic) ? KErrGeneral : serverDiedRequestStatus.Int();

	server.Close();

	return ret;

}