/**
* Fires off a controller web request in the background. This is used for triggering long running actions that don't require the user waiting.
*
* @param string controllerPath The full url to execute.
* @param array $post Optional post data to accompany the request
* @static
*/
public static function TriggerBackgroundTask($url, $post = null)
{
if ($url[0] != '/') {
$url = "/{$url}";
}
$key = uniqid();
$keypath = Path::Root("/cache/{$key}.srvskey");
touch($keypath);
if (!file_exists($keypath)) {
throw new Exception("Background process could not be triggered, access key could not be written");
}
if (is_array($post)) {
$post['SRVSKEY'] = $key;
} else {
$post = array('SRVSKEY' => $key);
}
//initiate the transaction.
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, WebPath::Absolute('/srvs' . $url));
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_TIMEOUT, 1);
//end the request immediately (one second), execution will continue.
curl_setopt($ch, CURLOPT_FAILONERROR, true);
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, $post);
if (curl_exec($ch) === false && file_exists($keypath)) {
unlink($keypath);
throw new Exception("Background process could not be triggered: " . curl_error($ch));
}
curl_close($ch);
}
