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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
#ifdef HAVE_SYS_TIME_H
#include <sys/time.h>
#endif
#include <vector>
#include "BoxTime.h"
#include "MemLeakFindOn.h"
class Timer;
// --------------------------------------------------------------------------
//
// 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*>* spTimers;
static void Reschedule();
static bool sRescheduleNeeded;
static void SignalHandler(int iUnused);
public:
static void Init();
static void Cleanup(bool throw_exception_if_not_initialised = true);
static void AssertInitialised();
static void Add (Timer& rTimer);
static void Remove(Timer& rTimer);
static void RequestReschedule();
static void RescheduleIfNeeded();
};
class Timer
{
public:
Timer(size_t timeoutMillis, const std::string& rName = "");
virtual ~Timer();
Timer(const Timer &);
Timer &operator=(const Timer &);
box_time_t GetExpiryTime() { return mExpires; }
virtual void OnExpire();
bool HasExpired()
{
Timers::RescheduleIfNeeded();
return mExpired;
}
const std::string& GetName() const { return mName; }
virtual void Reset(size_t timeoutMillis);
private:
box_time_t mExpires;
bool mExpired;
std::string mName;
void Start();
void Start(int64_t timeoutMillis);
void Stop();
void LogAssignment(const Timer &From);
virtual void Set(size_t timeoutMillis, bool isReset);
#ifdef WIN32
HANDLE mTimerHandle;
static VOID CALLBACK TimerRoutine(PVOID lpParam,
BOOLEAN TimerOrWaitFired);
#endif
};
#include "MemLeakFindOff.h"
#endif // TIMER__H
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