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<?php
namespace Ratchet\Http;
use Ratchet\MessageComponentInterface;
use Ratchet\ConnectionInterface;
use Guzzle\Http\Message\Response;
class HttpServer implements MessageComponentInterface {
/**
* Buffers incoming HTTP requests returning a Guzzle Request when coalesced
* @var HttpRequestParser
* @note May not expose this in the future, may do through facade methods
*/
protected $_reqParser;
/**
* @var \Ratchet\Http\HttpServerInterface
*/
protected $_httpServer;
/**
* @param HttpServerInterface
*/
public function __construct(HttpServerInterface $component) {
$this->_httpServer = $component;
$this->_reqParser = new HttpRequestParser;
}
/**
* {@inheritdoc}
*/
public function onOpen(ConnectionInterface $conn) {
$conn->httpHeadersReceived = false;
}
/**
* {@inheritdoc}
*/
public function onMessage(ConnectionInterface $from, $msg) {
if (true !== $from->httpHeadersReceived) {
try {
if (null === ($request = $this->_reqParser->onMessage($from, $msg))) {
return;
}
} catch (\OverflowException $oe) {
return $this->close($from, 413);
}
$from->httpHeadersReceived = true;
return $this->_httpServer->onOpen($from, $request);
}
$this->_httpServer->onMessage($from, $msg);
}
/**
* {@inheritdoc}
*/
public function onClose(ConnectionInterface $conn) {
if ($conn->httpHeadersReceived) {
$this->_httpServer->onClose($conn);
}
}
/**
* {@inheritdoc}
*/
public function onError(ConnectionInterface $conn, \Exception $e) {
if ($conn->httpHeadersReceived) {
$this->_httpServer->onError($conn, $e);
} else {
$this->close($conn, 500);
}
}
/**
* Close a connection with an HTTP response
* @param \Ratchet\ConnectionInterface $conn
* @param int $code HTTP status code
* @return null
*/
protected function close(ConnectionInterface $conn, $code = 400) {
$response = new Response($code, array(
'X-Powered-By' => \Ratchet\VERSION
));
$conn->send((string)$response);
$conn->close();
}
}
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