/
URLChecker.php
85 lines (73 loc) · 2.57 KB
/
URLChecker.php
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
<?php
// Copyright 2004-present Facebook. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
namespace Facebook\WebDriver\Net;
use Exception;
use Facebook\WebDriver\Exception\TimeOutException;
class URLChecker
{
const POLL_INTERVAL_MS = 500;
const CONNECT_TIMEOUT_MS = 500;
public function waitUntilAvailable($timeout_in_ms, $url)
{
$end = microtime(true) + $timeout_in_ms / 1000;
while ($end > microtime(true)) {
if ($this->getHTTPResponseCode($url) === 200) {
return $this;
}
usleep(self::POLL_INTERVAL_MS);
}
throw new TimeOutException(sprintf(
'Timed out waiting for %s to become available after %d ms.',
$url,
$timeout_in_ms
));
}
public function waitUntilUnavailable($timeout_in_ms, $url)
{
$end = microtime(true) + $timeout_in_ms / 1000;
while ($end > microtime(true)) {
if ($this->getHTTPResponseCode($url) !== 200) {
return $this;
}
usleep(self::POLL_INTERVAL_MS);
}
throw new TimeOutException(sprintf(
'Timed out waiting for %s to become unavailable after %d ms.',
$url,
$timeout_in_ms
));
}
private function getHTTPResponseCode($url)
{
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
// The PHP doc indicates that CURLOPT_CONNECTTIMEOUT_MS constant is added in cURL 7.16.2
// available since PHP 5.2.3.
if (!defined('CURLOPT_CONNECTTIMEOUT_MS')) {
define('CURLOPT_CONNECTTIMEOUT_MS', 156); // default value for CURLOPT_CONNECTTIMEOUT_MS
}
curl_setopt($ch, CURLOPT_CONNECTTIMEOUT_MS, self::CONNECT_TIMEOUT_MS);
$code = null;
try {
curl_exec($ch);
$info = curl_getinfo($ch);
$code = $info['http_code'];
} catch (Exception $e) {
}
curl_close($ch);
return $code;
}
}