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vendor/facebook/webdriver/lib/Net/URLChecker.php 2.29 KB
ad2e91f7   Mihail   move multyparser ...
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  <?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($timeout_in_ms, $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($timeout_in_ms, $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($timeout_in_ms, $url) {
      $ch = curl_init();
      curl_setopt($ch, CURLOPT_URL, $url);
      curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
      curl_setopt($ch, CURLOPT_CONNECTTIMEOUT_MS, self::CONNECT_TIMEOUT_MS);
      // There is a PHP bug in some versions which didn't define the constant.
      curl_setopt(
        $ch,
        156, // 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;
    }
  }