| 3 |
liveuser |
1 |
<?php
|
|
|
2 |
|
|
|
3 |
namespace React\Tests\EventLoop;
|
|
|
4 |
|
|
|
5 |
use React\EventLoop\LoopInterface;
|
|
|
6 |
use React\EventLoop\StreamSelectLoop;
|
|
|
7 |
|
|
|
8 |
class StreamSelectLoopTest extends AbstractLoopTest
|
|
|
9 |
{
|
|
|
10 |
protected function tearDown()
|
|
|
11 |
{
|
|
|
12 |
parent::tearDown();
|
|
|
13 |
if (strncmp($this->getName(false), 'testSignal', 10) === 0 && extension_loaded('pcntl')) {
|
|
|
14 |
$this->resetSignalHandlers();
|
|
|
15 |
}
|
|
|
16 |
}
|
|
|
17 |
|
|
|
18 |
public function createLoop()
|
|
|
19 |
{
|
|
|
20 |
return new StreamSelectLoop();
|
|
|
21 |
}
|
|
|
22 |
|
|
|
23 |
public function testStreamSelectTimeoutEmulation()
|
|
|
24 |
{
|
|
|
25 |
$this->loop->addTimer(
|
|
|
26 |
0.05,
|
|
|
27 |
$this->expectCallableOnce()
|
|
|
28 |
);
|
|
|
29 |
|
|
|
30 |
$start = microtime(true);
|
|
|
31 |
|
|
|
32 |
$this->loop->run();
|
|
|
33 |
|
|
|
34 |
$end = microtime(true);
|
|
|
35 |
$interval = $end - $start;
|
|
|
36 |
|
|
|
37 |
$this->assertGreaterThan(0.04, $interval);
|
|
|
38 |
}
|
|
|
39 |
|
|
|
40 |
public function testStopShouldPreventRunFromBlocking($timeLimit = 0.005)
|
|
|
41 |
{
|
|
|
42 |
if (defined('HHVM_VERSION')) {
|
|
|
43 |
// HHVM is a bit slow, so give it more time
|
|
|
44 |
parent::testStopShouldPreventRunFromBlocking(0.5);
|
|
|
45 |
} else {
|
|
|
46 |
parent::testStopShouldPreventRunFromBlocking($timeLimit);
|
|
|
47 |
}
|
|
|
48 |
}
|
|
|
49 |
|
|
|
50 |
|
|
|
51 |
public function signalProvider()
|
|
|
52 |
{
|
|
|
53 |
return [
|
|
|
54 |
['SIGUSR1', SIGUSR1],
|
|
|
55 |
['SIGHUP', SIGHUP],
|
|
|
56 |
['SIGTERM', SIGTERM],
|
|
|
57 |
];
|
|
|
58 |
}
|
|
|
59 |
|
|
|
60 |
private $_signalHandled = false;
|
|
|
61 |
|
|
|
62 |
/**
|
|
|
63 |
* Test signal interrupt when no stream is attached to the loop
|
|
|
64 |
* @dataProvider signalProvider
|
|
|
65 |
*/
|
|
|
66 |
public function testSignalInterruptNoStream($sigName, $signal)
|
|
|
67 |
{
|
|
|
68 |
if (!extension_loaded('pcntl')) {
|
|
|
69 |
$this->markTestSkipped('"pcntl" extension is required to run this test.');
|
|
|
70 |
}
|
|
|
71 |
|
|
|
72 |
// dispatch signal handler once before signal is sent and once after
|
|
|
73 |
$this->loop->addTimer(0.01, function() { pcntl_signal_dispatch(); });
|
|
|
74 |
$this->loop->addTimer(0.03, function() { pcntl_signal_dispatch(); });
|
|
|
75 |
if (defined('HHVM_VERSION')) {
|
|
|
76 |
// hhvm startup is slow so we need to add another handler much later
|
|
|
77 |
$this->loop->addTimer(0.5, function() { pcntl_signal_dispatch(); });
|
|
|
78 |
}
|
|
|
79 |
|
|
|
80 |
$this->setUpSignalHandler($signal);
|
|
|
81 |
|
|
|
82 |
// spawn external process to send signal to current process id
|
|
|
83 |
$this->forkSendSignal($signal);
|
|
|
84 |
$this->loop->run();
|
|
|
85 |
$this->assertTrue($this->_signalHandled);
|
|
|
86 |
}
|
|
|
87 |
|
|
|
88 |
/**
|
|
|
89 |
* Test signal interrupt when a stream is attached to the loop
|
|
|
90 |
* @dataProvider signalProvider
|
|
|
91 |
*/
|
|
|
92 |
public function testSignalInterruptWithStream($sigName, $signal)
|
|
|
93 |
{
|
|
|
94 |
if (!extension_loaded('pcntl')) {
|
|
|
95 |
$this->markTestSkipped('"pcntl" extension is required to run this test.');
|
|
|
96 |
}
|
|
|
97 |
|
|
|
98 |
// dispatch signal handler every 10ms
|
|
|
99 |
$this->loop->addPeriodicTimer(0.01, function() { pcntl_signal_dispatch(); });
|
|
|
100 |
|
|
|
101 |
// add stream to the loop
|
|
|
102 |
list($writeStream, $readStream) = stream_socket_pair(STREAM_PF_UNIX, STREAM_SOCK_STREAM, STREAM_IPPROTO_IP);
|
|
|
103 |
$this->loop->addReadStream($readStream, function($stream, $loop) {
|
|
|
104 |
/** @var $loop LoopInterface */
|
|
|
105 |
$read = fgets($stream);
|
|
|
106 |
if ($read === "end loop\n") {
|
|
|
107 |
$loop->stop();
|
|
|
108 |
}
|
|
|
109 |
});
|
|
|
110 |
$this->loop->addTimer(0.05, function() use ($writeStream) {
|
|
|
111 |
fwrite($writeStream, "end loop\n");
|
|
|
112 |
});
|
|
|
113 |
|
|
|
114 |
$this->setUpSignalHandler($signal);
|
|
|
115 |
|
|
|
116 |
// spawn external process to send signal to current process id
|
|
|
117 |
$this->forkSendSignal($signal);
|
|
|
118 |
|
|
|
119 |
$this->loop->run();
|
|
|
120 |
|
|
|
121 |
$this->assertTrue($this->_signalHandled);
|
|
|
122 |
}
|
|
|
123 |
|
|
|
124 |
/**
|
|
|
125 |
* add signal handler for signal
|
|
|
126 |
*/
|
|
|
127 |
protected function setUpSignalHandler($signal)
|
|
|
128 |
{
|
|
|
129 |
$this->_signalHandled = false;
|
|
|
130 |
$this->assertTrue(pcntl_signal($signal, function() { $this->_signalHandled = true; }));
|
|
|
131 |
}
|
|
|
132 |
|
|
|
133 |
/**
|
|
|
134 |
* reset all signal handlers to default
|
|
|
135 |
*/
|
|
|
136 |
protected function resetSignalHandlers()
|
|
|
137 |
{
|
|
|
138 |
foreach($this->signalProvider() as $signal) {
|
|
|
139 |
pcntl_signal($signal[1], SIG_DFL);
|
|
|
140 |
}
|
|
|
141 |
}
|
|
|
142 |
|
|
|
143 |
/**
|
|
|
144 |
* fork child process to send signal to current process id
|
|
|
145 |
*/
|
|
|
146 |
protected function forkSendSignal($signal)
|
|
|
147 |
{
|
|
|
148 |
$currentPid = posix_getpid();
|
|
|
149 |
$childPid = pcntl_fork();
|
|
|
150 |
if ($childPid == -1) {
|
|
|
151 |
$this->fail("Failed to fork child process!");
|
|
|
152 |
} else if ($childPid === 0) {
|
|
|
153 |
// this is executed in the child process
|
|
|
154 |
usleep(20000);
|
|
|
155 |
posix_kill($currentPid, $signal);
|
|
|
156 |
die();
|
|
|
157 |
}
|
|
|
158 |
}
|
|
|
159 |
}
|