86 lines
2.6 KiB
PHP
86 lines
2.6 KiB
PHP
<?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;
|
|
}
|
|
}
|