// 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 "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 <e32base.h>

#include "coredumpserver.h"

#include <debuglogging.h>

_LIT(KWildCard, "*");

/**

Checks whether another instance of the CDS exists in the system. It is checked

that:

    * the secure id of another process is KSecurityServerSecureID??

    * the PID is different to this process

    * the FileName of the other process contains KCoreDumpServerName

The final check is only made for the benefit of hardware boards, in a 

production device, the first two checks would be sufficient.

@return ETrue if the CDS is judged to be already running, EFalse otherwise

*/

TBool CDSAlreadyExists()

	{

	//find PID of this process

	RProcess process;

	TProcessId thisProcessId = process.Id();

	TFindProcess find(KWildCard);

	TFullName name;

	//try and find another CDS based on SecureID value??, which has a different PID

	while(find.Next(name)==KErrNone)

		{

		if (process.Open(find) == KErrNone)

			{

			//if(process.SecureId() == KSecurityServerSecureID) //does CDS have something like that

				{

				if(process.Id() != thisProcessId)

					{

					if(process.FileName().Find(KCoreDumpServerName) != KErrNotFound)

						{

	                    LOG_MSG( "core_dump_main.cpp::CDSAlreadyExists() returning: true" );

						process.Close();

						return ETrue;

						}

					}

				}

			}

		process.Close();

		}

	LOG_MSG( "core_dump_main.cpp::CDSAlreadyExists() returning: false\n" );

	return EFalse;

	}

/**

Perform all server initialisation, in particular creation of the

scheduler and server and then run the scheduler

*/

void CCoreDumpServer::RunServerL()

	{

	LOG_MSG( "CCoreDumpServer::RunServerL() -> new (ELeave) CActiveScheduler\n" );

	CActiveScheduler* scheduler = new (ELeave) CActiveScheduler;

	LOG_MSG( "CCoreDumpServer::RunServerL() -> PushL(scheduler)\n" );

	CleanupStack::PushL(scheduler);

	LOG_MSG( "CCoreDumpServer::RunServerL() -> Install(scheduler)\n" );

	CActiveScheduler::Install(scheduler);

	LOG_MSG( "CCoreDumpServer::RunServerL() -> CCoreDumpServer::NewLC()\n" );

	CCoreDumpServer::NewLC();

	LOG_MSG( "CCoreDumpServer::RunServerL() -> Rendezvous(KErrNone)\n" );

	RProcess::Rendezvous(KErrNone);

	LOG_MSG( "CCoreDumpServer::RunServerL() -> CActiveScheduler::Start()\n" );

	CActiveScheduler::Start();

	// Free the server and active scheduler.

    CleanupStack::PopAndDestroy(2, scheduler);

	}

/**

   Entry point for Core Dump Server

*/

TInt E32Main()

	{

	__UHEAP_MARK;

	CTrapCleanup* cleanup = CTrapCleanup::New();

	TInt err = KErrNoMemory;

	if	(cleanup)

		{

        if(!CDSAlreadyExists())

            {

		    TRAP(err, CCoreDumpServer::RunServerL());

            }

        else

            err = KErrAlreadyExists; 

		delete cleanup;

		}

	LOG_MSG2( "<- core_dump_main.cpp::E32Main() returning: %d\n", err );

	__UHEAP_MARKEND;

	return KErrNone;

	}