updated-packages

vendor/php-webdriver/webdriver/lib/Net/URLChecker.php

@@ -0,0 +1,73 @@
+<?php
+
+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;
+    }
+}