blob: 0cdaad206116a1fbb0f12d50f54aa285b1022ec8 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
|
/* 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());
}
}
|