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// --------------------------------------------------------------------------
//
// File
//		Name:    Timer.h
//		Purpose: Generic timers which execute arbitrary code when
//			 they expire.
//		Created: 5/11/2006
//
// --------------------------------------------------------------------------

#ifndef TIMER__H
#define TIMER__H

#include <sys/time.h>

#include <vector>

#include "MemLeakFindOn.h"
#include "BoxTime.h"

class Timer
{
public:
	Timer(size_t timeoutSecs);
	virtual ~Timer();
	Timer(const Timer &);
	Timer &operator=(const Timer &);

public:
	box_time_t   GetExpiryTime() { return mExpires; }
	bool         HasExpired   () { return mExpired; }
	virtual void OnExpire     ();
	
private:
	box_time_t mExpires;
	bool       mExpired;
};

// --------------------------------------------------------------------------
//
// Class
//		Name:    Timers
//		Purpose: Static class to manage all timers and arrange 
//			 efficient delivery of wakeup signals
//		Created: 19/3/04
//
// --------------------------------------------------------------------------
class Timers
{
	private:
	static std::vector<Timer*> sTimers;
	static bool sInitialised;
	static void Reschedule();
	
	public:
	static void Init();
	static void Cleanup();
	static void Add   (Timer& rTimer);
	static void Remove(Timer& rTimer);
	static void Signal();
};

#include "MemLeakFindOff.h"

#endif // TIMER__H