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cache the HTTP response

pull/39/head
Aaron Parecki 5 years ago
parent
commit
262d9a66fa
1 changed files with 15 additions and 3 deletions
  1. +15
    -3
      controllers/Parse.php

+ 15
- 3
controllers/Parse.php View File

@ -7,16 +7,20 @@ use XRay\Formats;
class Parse {
public $http;
public $mc;
private $_cacheTime = 300;
private $_pretty = false;
public function __construct() {
$this->http = new p3k\HTTP();
$this->mc = new Memcache();
$this->mc->addServer('127.0.0.1');
}
public static function debug($msg) {
public static function debug($msg, $header='X-Parse-Debug') {
syslog(LOG_INFO, $msg);
if(array_key_exists('REMOTE_ADDR', $_SERVER))
header("X-Parse-Debug: " . $msg);
header($header . ": " . $msg);
}
private function respond(Response $response, $code, $params, $headers=[]) {
@ -84,7 +88,15 @@ class Parse {
$url = \normalize_url($url);
// Now fetch the URL and check for any curl errors
$result = $this->http->get($url);
if($cached=$this->mc->get('xray-'.md5($url))) {
$result = json_decode($cached, true);
self::debug('using HTML from cache', 'X-Cache-Debug');
} else {
$result = $this->http->get($url);
$cacheData = json_encode($result);
if(strlen($cacheData) < 1000000) // App Engine limits the size of cached items, so don't cache ones larger than that
$this->mc->set('xray-'.md5($url), $cacheData, MEMCACHE_COMPRESSED, $this->_cacheTime);
}
if($result['error']) {
return $this->respond($response, 400, [

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