/*

* Copyright (c) 2007-2009 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: 

* Boilerplate code starts up server and exits the process when

* the server has stopped.

*

*/

/**

 @file

*/

#include <scs/scsserver.h>

#include <e32debug.h>

NONSHARABLE_CLASS(CSystemActiveScheduler) : public CActiveScheduler

	{

	virtual void Error(TInt aError) const;

	};

void CSystemActiveScheduler::Error(TInt aError) const

	{

	// Ignore the error and continue...

	RDebug::Printf("SCS- Active object failed with code %d - IGNORED\n", aError);

	}

static void RunServerL(TScsServerFactory aServerFactoryLC)

/**

	Allocate and start the session counting server.

	@param	aServerFactoryLC Factory function defined in the implementation

							EXE, which allocates an instance of the server object

							and puts it on the cleanup stack.

 */

	{

	CActiveScheduler* as = new(ELeave) CSystemActiveScheduler;

	CleanupStack::PushL(as);

	CActiveScheduler::Install(as);

	// the server is started when it is allocated

	(void) aServerFactoryLC();

	// tell launching process the server has started successfully

	RProcess::Rendezvous(KErrNone);

	CActiveScheduler::Start();

	// the active scheduler has been stopped here because there have

	// been no current sessions for the shutdown period.

	CleanupStack::PopAndDestroy(2, as);

	}

EXPORT_C TInt StartScsServer(TScsServerFactory aServerFactoryLC)

/**

	This function must be called from the server executable's E32Main function.

	It sets up a cleanup stack and active scheduler before starting the server.

	If the server is started successfully then this function does not return

	until the server shuts down.

	@param	aServerFactoryLC Factory function defined in the implementation

							EXE, which allocates an instance of the server object

							and puts it on the cleanup stack.

	@return					Symbian OS error code.	KErrNone indicates success,

							and any other value indicates failure.

 */

	{

	__UHEAP_MARK;

	// allocating a cleanup stack also installs it

	CTrapCleanup* tc = CTrapCleanup::New();

	if (tc == 0)

		return KErrNoMemory;

	TRAPD(r, RunServerL(aServerFactoryLC));

	delete tc;

	__UHEAP_MARKEND;

	return r;

	}