//----------------------------------------------------------------------------
//
//  Copyright (C) Intel Corporation, 2007 - 2010.
//
//  File:       KeepAliveTimer.h
//
//  Contents:   A timer which goes off on a set time, which checks the 
//				keep alive timeout of all open tunnels, 
//				and close a disconnected tunnel
//
//  Notes:      
//----------------------------------------------------------------------------
#ifndef KEEPALIVE_TIMER_H
#define KEEPALIVE_TIMER_H

#include "ace/Timer_Queue.h"
#include "ace/Reactor.h"

#include "global.h"
#include "ObserverPattern.h"

class KeepAliveTimer : public ACE_Event_Handler, public Observer_Pattern_Subject
{

public:
	KeepAliveTimer(void);
	~KeepAliveTimer(void);

	STATUS start(void);
	STATUS close(void);	
	
	STATUS start(const ACE_Time_Value &initialDelay, const ACE_Time_Value &interval); 
	int handle_timeout(const ACE_Time_Value &current_time, const void * arg = NULL);
	int ReleaseExpiredConnectedSystemsEnumeration(void);

private:

	long _timer_id;
};


#endif /* KEEPALIVE_TIMER_H */