|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
namespace Nopolabs; |
|
4
|
|
|
|
|
5
|
|
|
|
|
6
|
|
|
use Exception; |
|
7
|
|
|
use GuzzleHttp\Handler\CurlFactory; |
|
8
|
|
|
use GuzzleHttp\Handler\CurlFactoryInterface; |
|
9
|
|
|
use GuzzleHttp\Handler\CurlMultiHandler; |
|
10
|
|
|
use GuzzleHttp\Handler\EasyHandle; |
|
11
|
|
|
use Psr\Http\Message\RequestInterface; |
|
12
|
|
|
use Psr\Log\LoggerInterface; |
|
13
|
|
|
use Psr\Log\NullLogger; |
|
14
|
|
|
use React\EventLoop\LoopInterface; |
|
15
|
|
|
use React\EventLoop\Timer\TimerInterface; |
|
16
|
|
|
|
|
17
|
|
|
class ReactAwareCurlFactory implements CurlFactoryInterface |
|
18
|
|
|
{ |
|
19
|
|
|
private $eventLoop; |
|
20
|
|
|
private $logger; |
|
21
|
|
|
private $factory; |
|
22
|
|
|
private $count; |
|
23
|
|
|
|
|
24
|
|
|
/** @var CurlMultiHandler */ |
|
25
|
|
|
private $handler; |
|
26
|
|
|
|
|
27
|
|
|
/** @var TimerInterface|null */ |
|
28
|
|
|
private $timer; |
|
29
|
|
|
|
|
30
|
|
|
/** |
|
31
|
|
|
* ReactAwareCurlFactory wraps an instance of CurlFactory and keeps |
|
32
|
|
|
* track of active curl handles. When there are active curl handles it starts |
|
33
|
|
|
* a periodic task on the React event loop that calls CurlMultiHandler::tick() |
|
34
|
|
|
* allowing tasks in the Guzzle task queue to be processed. |
|
35
|
|
|
* The periodic task is stopped when there are no more active curl handles |
|
36
|
|
|
* and the Guzzle task queue is empty. |
|
37
|
|
|
* |
|
38
|
|
|
* @param LoopInterface $eventLoop |
|
39
|
|
|
* @param CurlFactory $curlFactory |
|
40
|
|
|
* @param LoggerInterface|null $logger |
|
41
|
|
|
*/ |
|
42
|
|
|
public function __construct( |
|
43
|
|
|
LoopInterface $eventLoop, |
|
44
|
|
|
CurlFactory $curlFactory, |
|
45
|
|
|
LoggerInterface $logger = null |
|
46
|
|
|
) |
|
47
|
|
|
{ |
|
48
|
|
|
$this->eventLoop = $eventLoop; |
|
49
|
|
|
$this->factory = $curlFactory; |
|
50
|
|
|
$this->logger = $logger ?? new NullLogger(); |
|
51
|
|
|
|
|
52
|
|
|
$this->count = 0; |
|
53
|
|
|
} |
|
54
|
|
|
|
|
55
|
|
|
public function setHandler(CurlMultiHandler $handler) |
|
56
|
|
|
{ |
|
57
|
|
|
$this->handler = $handler; |
|
58
|
|
|
} |
|
59
|
|
|
|
|
60
|
|
|
public function getHandler() : CurlMultiHandler |
|
61
|
|
|
{ |
|
62
|
|
|
return $this->handler; |
|
63
|
|
|
} |
|
64
|
|
|
|
|
65
|
|
|
/** |
|
66
|
|
|
* {@inheritDoc} |
|
67
|
|
|
*/ |
|
68
|
|
|
public function create(RequestInterface $request, array $options) |
|
69
|
|
|
{ |
|
70
|
|
|
$this->incrementCount(); |
|
71
|
|
|
|
|
72
|
|
|
return $this->factory->create($request, $options); |
|
73
|
|
|
} |
|
74
|
|
|
|
|
75
|
|
|
/** |
|
76
|
|
|
* {@inheritDoc} |
|
77
|
|
|
*/ |
|
78
|
|
|
public function release(EasyHandle $easy) |
|
79
|
|
|
{ |
|
80
|
|
|
$this->factory->release($easy); |
|
81
|
|
|
|
|
82
|
|
|
$this->decrementCount(); |
|
83
|
|
|
} |
|
84
|
|
|
|
|
85
|
|
|
public function tick() |
|
86
|
|
|
{ |
|
87
|
|
|
try { |
|
88
|
|
|
$this->getHandler()->tick(); |
|
89
|
|
|
} catch (Exception $exception) { |
|
90
|
|
|
$this->logger->warning('ReactAwareCurlFactory::tick() '.$exception->getMessage()); |
|
91
|
|
|
} |
|
92
|
|
|
|
|
93
|
|
|
if ($this->noMoreWork()) { |
|
94
|
|
|
$this->stopTimer(); |
|
95
|
|
|
} |
|
96
|
|
|
} |
|
97
|
|
|
|
|
98
|
|
|
public function isTimerActive() : bool |
|
99
|
|
|
{ |
|
100
|
|
|
if ($this->timer) { |
|
101
|
|
|
return $this->timer->isActive(); |
|
102
|
|
|
} |
|
103
|
|
|
|
|
104
|
|
|
return false; |
|
105
|
|
|
} |
|
106
|
|
|
|
|
107
|
|
|
public function noMoreWork() : bool |
|
108
|
|
|
{ |
|
109
|
|
|
return $this->noActiveHandles() && $this->queueIsEmpty(); |
|
110
|
|
|
} |
|
111
|
|
|
|
|
112
|
|
|
protected function noActiveHandles() : bool |
|
113
|
|
|
{ |
|
114
|
|
|
return $this->count === 0; |
|
115
|
|
|
} |
|
116
|
|
|
|
|
117
|
|
|
protected function queueIsEmpty() : bool |
|
118
|
|
|
{ |
|
119
|
|
|
return \GuzzleHttp\Promise\queue()->isEmpty(); |
|
120
|
|
|
} |
|
121
|
|
|
|
|
122
|
|
|
protected function incrementCount() |
|
123
|
|
|
{ |
|
124
|
|
|
if ($this->noActiveHandles()) { |
|
125
|
|
|
$this->startTimer(); |
|
126
|
|
|
} |
|
127
|
|
|
|
|
128
|
|
|
$this->count++; |
|
129
|
|
|
} |
|
130
|
|
|
|
|
131
|
|
|
protected function decrementCount() |
|
132
|
|
|
{ |
|
133
|
|
|
$this->count--; |
|
134
|
|
|
} |
|
135
|
|
|
|
|
136
|
|
|
protected function startTimer() |
|
137
|
|
|
{ |
|
138
|
|
|
if ($this->timer === null) { |
|
139
|
|
|
$this->timer = $this->eventLoop->addPeriodicTimer(0, [$this, 'tick']); |
|
140
|
|
|
|
|
141
|
|
|
$this->logger->debug('ReactAwareCurlFactory started periodic queue processing'); |
|
142
|
|
|
} |
|
143
|
|
|
} |
|
144
|
|
|
|
|
145
|
|
|
protected function stopTimer() |
|
146
|
|
|
{ |
|
147
|
|
|
if ($this->timer !== null) { |
|
148
|
|
|
$this->timer->cancel(); |
|
149
|
|
|
$this->timer = null; |
|
150
|
|
|
|
|
151
|
|
|
$this->logger->debug('ReactAwareCurlFactory stopped periodic queue processing'); |
|
152
|
|
|
} |
|
153
|
|
|
} |
|
154
|
|
|
} |
|
155
|
|
|
|
nopolabs /
react-aware-guzzle-client
