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// distribution boxbackup-0.11rc1 (svn version: 2023_2024)
//
// Copyright (c) 2003 - 2006
// Ben Summers and contributors. All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
// 1. Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// 2. Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
// 3. All use of this software and associated advertising materials must
// display the following acknowledgment:
// This product includes software developed by Ben Summers.
// 4. The names of the Authors may not be used to endorse or promote
// products derived from this software without specific prior written
// permission.
//
// [Where legally impermissible the Authors do not disclaim liability for
// direct physical injury or death caused solely by defects in the software
// unless it is modified by a third party.]
//
// THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
// DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT,
// INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
// HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
// ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
//
//
//
// --------------------------------------------------------------------------
//
// 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();
static void Add (Timer& rTimer);
static void Remove(Timer& rTimer);
static void RequestReschedule()
{
sRescheduleNeeded = true;
}
static void RescheduleIfNeeded()
{
if (sRescheduleNeeded)
{
Reschedule();
}
}
};
class Timer
{
public:
Timer(size_t timeoutSecs);
virtual ~Timer();
Timer(const Timer &);
Timer &operator=(const Timer &);
public:
box_time_t GetExpiryTime() { return mExpires; }
virtual void OnExpire();
bool HasExpired()
{
Timers::RescheduleIfNeeded();
return mExpired;
}
private:
box_time_t mExpires;
bool mExpired;
};
#include "MemLeakFindOff.h"
#endif // TIMER__H
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