blob: 17bbdac8bd8f007f390222552a911d6da5e1daa7 (
plain) (
blame)
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
|
<?php
namespace React\EventLoop\Timer;
use React\EventLoop\TimerInterface;
use SplObjectStorage;
use SplPriorityQueue;
/**
* A scheduler implementation that can hold multiple timer instances
*
* This class should only be used internally, see TimerInterface instead.
*
* @see TimerInterface
* @internal
*/
final class Timers
{
private $time;
private $timers;
private $scheduler;
public function __construct()
{
$this->timers = new SplObjectStorage();
$this->scheduler = new SplPriorityQueue();
}
public function updateTime()
{
return $this->time = microtime(true);
}
public function getTime()
{
return $this->time ?: $this->updateTime();
}
public function add(TimerInterface $timer)
{
$interval = $timer->getInterval();
$scheduledAt = $interval + microtime(true);
$this->timers->attach($timer, $scheduledAt);
$this->scheduler->insert($timer, -$scheduledAt);
}
public function contains(TimerInterface $timer)
{
return $this->timers->contains($timer);
}
public function cancel(TimerInterface $timer)
{
$this->timers->detach($timer);
}
public function getFirst()
{
while ($this->scheduler->count()) {
$timer = $this->scheduler->top();
if ($this->timers->contains($timer)) {
return $this->timers[$timer];
}
$this->scheduler->extract();
}
return null;
}
public function isEmpty()
{
return count($this->timers) === 0;
}
public function tick()
{
$time = $this->updateTime();
$timers = $this->timers;
$scheduler = $this->scheduler;
while (!$scheduler->isEmpty()) {
$timer = $scheduler->top();
if (!isset($timers[$timer])) {
$scheduler->extract();
$timers->detach($timer);
continue;
}
if ($timers[$timer] >= $time) {
break;
}
$scheduler->extract();
call_user_func($timer->getCallback(), $timer);
if ($timer->isPeriodic() && isset($timers[$timer])) {
$timers[$timer] = $scheduledAt = $timer->getInterval() + $time;
$scheduler->insert($timer, -$scheduledAt);
} else {
$timers->detach($timer);
}
}
}
}
|
