128 lines
2.6 KiB
C++
128 lines
2.6 KiB
C++
/* SPDX-License-Identifier: GPL-2.0-or-later
|
|
* Copyright 2001-2002 NaN Holding BV. All rights reserved. */
|
|
|
|
/** \file
|
|
* \ingroup GHOST
|
|
*/
|
|
|
|
/**
|
|
* Copyright (C) 2001 NaN Technologies B.V.
|
|
*/
|
|
|
|
#include "GHOST_TimerManager.h"
|
|
|
|
#include <algorithm>
|
|
|
|
#include "GHOST_TimerTask.h"
|
|
|
|
GHOST_TimerManager::GHOST_TimerManager()
|
|
{
|
|
}
|
|
|
|
GHOST_TimerManager::~GHOST_TimerManager()
|
|
{
|
|
disposeTimers();
|
|
}
|
|
|
|
uint32_t GHOST_TimerManager::getNumTimers()
|
|
{
|
|
return uint32_t(m_timers.size());
|
|
}
|
|
|
|
bool GHOST_TimerManager::getTimerFound(GHOST_TimerTask *timer)
|
|
{
|
|
TTimerVector::const_iterator iter = std::find(m_timers.begin(), m_timers.end(), timer);
|
|
return iter != m_timers.end();
|
|
}
|
|
|
|
GHOST_TSuccess GHOST_TimerManager::addTimer(GHOST_TimerTask *timer)
|
|
{
|
|
GHOST_TSuccess success;
|
|
if (!getTimerFound(timer)) {
|
|
/* Add the timer task. */
|
|
m_timers.push_back(timer);
|
|
success = GHOST_kSuccess;
|
|
}
|
|
else {
|
|
success = GHOST_kFailure;
|
|
}
|
|
return success;
|
|
}
|
|
|
|
GHOST_TSuccess GHOST_TimerManager::removeTimer(GHOST_TimerTask *timer)
|
|
{
|
|
GHOST_TSuccess success;
|
|
TTimerVector::iterator iter = std::find(m_timers.begin(), m_timers.end(), timer);
|
|
if (iter != m_timers.end()) {
|
|
/* Remove the timer task. */
|
|
m_timers.erase(iter);
|
|
delete timer;
|
|
success = GHOST_kSuccess;
|
|
}
|
|
else {
|
|
success = GHOST_kFailure;
|
|
}
|
|
return success;
|
|
}
|
|
|
|
uint64_t GHOST_TimerManager::nextFireTime()
|
|
{
|
|
uint64_t smallest = GHOST_kFireTimeNever;
|
|
TTimerVector::iterator iter;
|
|
|
|
for (iter = m_timers.begin(); iter != m_timers.end(); ++iter) {
|
|
const uint64_t next = (*iter)->getNext();
|
|
|
|
if (next < smallest) {
|
|
smallest = next;
|
|
}
|
|
}
|
|
|
|
return smallest;
|
|
}
|
|
|
|
bool GHOST_TimerManager::fireTimers(uint64_t time)
|
|
{
|
|
TTimerVector::iterator iter;
|
|
bool anyProcessed = false;
|
|
|
|
for (iter = m_timers.begin(); iter != m_timers.end(); ++iter) {
|
|
if (fireTimer(time, *iter)) {
|
|
anyProcessed = true;
|
|
}
|
|
}
|
|
|
|
return anyProcessed;
|
|
}
|
|
|
|
bool GHOST_TimerManager::fireTimer(uint64_t time, GHOST_TimerTask *task)
|
|
{
|
|
uint64_t next = task->getNext();
|
|
|
|
/* Check if the timer should be fired. */
|
|
if (time > next) {
|
|
/* Fire the timer. */
|
|
GHOST_TimerProcPtr timerProc = task->getTimerProc();
|
|
uint64_t start = task->getStart();
|
|
timerProc(task, time - start);
|
|
|
|
/* Update the time at which we will fire it again. */
|
|
uint64_t interval = task->getInterval();
|
|
uint64_t numCalls = (next - start) / interval;
|
|
numCalls++;
|
|
next = start + numCalls * interval;
|
|
task->setNext(next);
|
|
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
void GHOST_TimerManager::disposeTimers()
|
|
{
|
|
while (m_timers.empty() == false) {
|
|
delete m_timers[0];
|
|
m_timers.erase(m_timers.begin());
|
|
}
|
|
}
|