//----------------------------------------------------------------------------
//
//  Copyright (C) Intel Corporation, 2007 - 2008.
//
//  File:       DynamicConfiguration.cpp
//
//  Contents:   A timer which goes off on a set time, which reads the 
//				dynamic configuration file, 
//				and updates its elements accordingly
//
//  Notes:      
//----------------------------------------------------------------------------

#include "DynamicConfiguration.h"
#include "Options.h"
#include "global.h"

DynamicConfiguration::DynamicConfiguration(void) : _timer_id(-1)
{
}

DynamicConfiguration::~DynamicConfiguration(void)
{
}

STATUS DynamicConfiguration::start (const ACE_Time_Value &initialDelay, const ACE_Time_Value &interval) 
{

	long retValue = ACE_Reactor::instance ()->schedule_timer(this, NULL, initialDelay, interval);
	_timer_id = retValue;

	if (retValue == STATUS_FAILURE) {
		return STATUS_FAILURE;
	}	
	
	return STATUS_SUCCESS;
}

STATUS DynamicConfiguration::close(void) 
{
	ACE_Reactor * reactor = ACE_Reactor::instance(); 
	if (reactor == NULL) 
	{
		return STATUS_FAILURE;
	}
	int retVal = reactor->cancel_timer(_timer_id);
	// IMPORTANT: cancel_timer returns 0 if it does not find the _timer_id.
	// Therefore I return STATUS_FAILURE (-1) for it! 
	// If it does succeed it returns 1, therefore I return STATUS_SUCCESS (0)
	if (retVal == 0) {
		return STATUS_FAILURE;
	}
	return STATUS_SUCCESS;
}


int DynamicConfiguration::handle_timeout(const ACE_Time_Value &current_time, const void * arg)
{
	int tcp_count=TCP_COUNTER.GetCounterValue();
	int tunnel_count=TUNNEL_COUNTER.GetCounterValue();
	ACE_DEBUG((MY_DEBUG ACE_TEXT("Handler counters:\n\tTUNNEL_COUNTER = %d\n\tTCP_COUNTER = %d\n"), tunnel_count, tcp_count));

	int readRet;
	if ((Options::instance() == NULL) || ((readRet = Options::instance() -> read_dynamic_file()) == STATUS_FAILURE)) {

#if defined (ACE_WIN32) && !defined (ACE_LACKS_WIN32_SERVICES) && defined (_SERVICE)
		m_pLogger.LogErrorEvent(MPS_ERROR, MPS_CONFIG_DYNAMIC_FAIL_MESSAGE);
#endif  /* ACE_WIN32 && !(ACE_LACKS_WIN32_SERVICES) && (_SERVICE)*/
		ACE_ERROR ((MY_ERROR  ACE_TEXT ("Error while reading dynamic configuration file.\n")));
	}
	else
	{
		// if  1 <= readRet <= 2 than the dynamic config file was changed.
		if ((readRet >= 1) && (readRet <= 2))
		{
			notify();
		}
	}
	return 0;
}