2014-02-07 00:19:53 +01:00
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<?php
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2014-04-12 12:14:37 +02:00
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2014-02-07 00:26:32 +01:00
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namespace ManiaControl\Files;
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2014-02-07 00:19:53 +01:00
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2014-04-27 15:21:57 +02:00
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use cURL\Event;
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2014-02-18 18:13:59 +01:00
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use cURL\Exception;
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use cURL\Request;
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2014-02-07 00:19:53 +01:00
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use ManiaControl\ManiaControl;
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2014-02-07 12:30:53 +01:00
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/**
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* Asynchronous File Reader
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*
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2014-05-02 17:40:47 +02:00
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* @author ManiaControl Team <mail@maniacontrol.com>
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* @copyright 2014 ManiaControl Team
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* @license http://www.gnu.org/licenses/ GNU General Public License, Version 3
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2014-02-07 12:30:53 +01:00
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*/
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2014-02-07 19:33:14 +01:00
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class AsynchronousFileReader {
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2014-06-14 15:48:27 +02:00
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/*
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* Constants
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*/
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const CONTENT_TYPE_JSON = 'application/json';
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2014-04-12 12:14:37 +02:00
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/*
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2014-02-07 00:19:53 +01:00
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* Private Properties
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*/
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private $maniaControl = null;
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2014-06-27 00:17:02 +02:00
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/** @var Request[] $requests */
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2014-02-18 18:13:59 +01:00
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private $requests = array();
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2014-02-07 00:19:53 +01:00
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/**
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2014-06-27 00:17:02 +02:00
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* Construct a new Asynchronous File Reader Instance
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2014-02-07 00:19:53 +01:00
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*
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* @param ManiaControl $maniaControl
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*/
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public function __construct(ManiaControl $maniaControl) {
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$this->maniaControl = $maniaControl;
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}
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2014-02-07 14:17:03 +01:00
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/**
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2014-06-27 00:17:02 +02:00
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* Append available Data of active Requests
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2014-02-07 14:17:03 +01:00
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*/
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2014-02-07 00:19:53 +01:00
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public function appendData() {
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2014-05-02 17:40:47 +02:00
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foreach ($this->requests as $key => $request) {
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2014-02-18 18:13:59 +01:00
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try {
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if ($request->socketPerform()) {
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$request->socketSelect();
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2014-02-17 00:34:20 +01:00
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}
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2014-05-02 17:40:47 +02:00
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} catch (Exception $e) {
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2014-06-14 14:32:29 +02:00
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if ($e->getMessage() === 'Cannot perform if there are no requests in queue.') {
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2014-02-18 18:13:59 +01:00
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unset($this->requests[$key]);
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} else {
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throw $e;
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2014-02-16 22:38:14 +01:00
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}
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2014-02-07 00:19:53 +01:00
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}
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2014-02-17 00:38:32 +01:00
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}
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2014-02-07 00:19:53 +01:00
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}
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2014-02-15 13:52:46 +01:00
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/**
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2014-06-14 15:48:27 +02:00
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* Load a Remote File
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2014-02-15 13:52:46 +01:00
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*
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2014-06-14 15:48:27 +02:00
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* @param string $url
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* @param callable $function
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* @param string $contentType
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* @param int $keepAlive
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2014-02-15 13:52:46 +01:00
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*/
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2014-06-14 15:48:27 +02:00
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public function loadFile($url, callable $function, $contentType = 'UTF-8', $keepAlive = 0) {
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2014-06-27 00:17:02 +02:00
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$headers = array();
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array_push($headers, 'Content-Type: ' . $contentType);
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2014-02-24 09:49:29 +01:00
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if ($keepAlive) {
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2014-06-14 15:48:27 +02:00
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array_push($headers, 'Keep-Alive: ' . $keepAlive);
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array_push($headers, 'Connection: Keep-Alive');
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2014-02-23 17:55:32 +01:00
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}
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2014-06-27 00:59:45 +02:00
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$request = $this->newRequest($url);
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$request->getOptions()
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->set(CURLOPT_AUTOREFERER, true) // accept link reference
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->set(CURLOPT_HTTPHEADER, $headers); // headers
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2014-02-15 13:52:46 +01:00
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2014-04-27 15:21:57 +02:00
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$request->addListener('complete', function (Event $event) use (&$function) {
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2014-06-27 00:17:02 +02:00
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$error = null;
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$content = null;
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if ($event->response->hasError()) {
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$error = $event->response->getError()
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->getMessage();
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2014-02-18 18:13:59 +01:00
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} else {
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2014-06-27 00:17:02 +02:00
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$content = $event->response->getContent();
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2014-02-17 00:34:20 +01:00
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}
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2014-02-18 18:13:59 +01:00
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call_user_func($function, $content, $error);
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});
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2014-02-18 18:44:52 +01:00
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$this->addRequest($request);
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2014-02-15 13:52:46 +01:00
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}
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2014-02-16 22:38:14 +01:00
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/**
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2014-06-27 00:59:45 +02:00
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* Create a new cURL Request for the given URL
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2014-06-27 00:17:02 +02:00
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*
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2014-06-27 00:59:45 +02:00
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* @param string $url
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* @return Request
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2014-06-27 00:17:02 +02:00
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*/
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2014-06-27 00:59:45 +02:00
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protected function newRequest($url) {
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$request = new Request($url);
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$request->getOptions()
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->set(CURLOPT_TIMEOUT, 10)
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2014-06-27 00:17:02 +02:00
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->set(CURLOPT_HEADER, false) // don't display response header
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->set(CURLOPT_CRLF, true) // linux line feed
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->set(CURLOPT_ENCODING, '') // accept encoding
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2014-06-27 00:59:45 +02:00
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->set(CURLOPT_USERAGENT, 'ManiaControl v' . ManiaControl::VERSION) // user-agent
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->set(CURLOPT_RETURNTRANSFER, true); // return instead of output content
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return $request;
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2014-06-27 00:17:02 +02:00
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}
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/**
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* Add a Request to the queue
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2014-02-18 23:29:13 +01:00
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*
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2014-02-18 18:44:52 +01:00
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* @param Request $request
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2014-02-16 22:38:14 +01:00
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*/
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2014-06-27 00:59:45 +02:00
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protected function addRequest(Request $request) {
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2014-02-18 18:44:52 +01:00
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array_push($this->requests, $request);
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}
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2014-02-16 22:38:14 +01:00
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2014-02-18 23:29:13 +01:00
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/**
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* Send Data via POST Method
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*
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2014-06-27 00:17:02 +02:00
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* @param string $url
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* @param callable $function
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* @param string $content
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* @param bool $compression
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* @param string $contentType
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2014-02-18 23:29:13 +01:00
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*/
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2014-06-27 00:17:02 +02:00
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public function postData($url, callable $function, $content, $compression = false,
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$contentType = 'text/xml; charset=UTF-8;') {
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$headers = array();
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array_push($headers, 'Content-Type: ' . $contentType);
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array_push($headers, 'Keep-Alive: 300');
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array_push($headers, 'Connection: Keep-Alive');
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2014-06-27 00:59:45 +02:00
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$content = str_replace(array("\r", "\n"), '', $content);
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2014-02-18 23:29:13 +01:00
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if ($compression) {
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2014-02-24 09:49:29 +01:00
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$content = zlib_encode($content, 31);
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2014-06-27 00:17:02 +02:00
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array_push($headers, 'Content-Encoding: gzip');
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2014-02-18 23:29:13 +01:00
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}
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2014-02-20 17:59:09 +01:00
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2014-06-27 00:59:45 +02:00
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$request = $this->newRequest($url);
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$request->getOptions()
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->set(CURLOPT_POST, true) // post method
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->set(CURLOPT_POSTFIELDS, $content) // post content field
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->set(CURLOPT_HTTPHEADER, $headers); // headers
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2014-02-18 23:29:13 +01:00
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2014-04-27 15:21:57 +02:00
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$request->addListener('complete', function (Event $event) use (&$function) {
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2014-06-27 00:17:02 +02:00
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$error = null;
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$content = null;
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if ($event->response->hasError()) {
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$error = $event->response->getError()
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->getMessage();
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2014-02-18 23:29:13 +01:00
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} else {
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2014-06-27 00:17:02 +02:00
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$content = $event->response->getContent();
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2014-02-18 23:29:13 +01:00
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}
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call_user_func($function, $content, $error);
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});
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$this->addRequest($request);
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2014-02-07 00:19:53 +01:00
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}
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2014-06-27 00:17:02 +02:00
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}
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