ReactPHP + Symfony = PROFITaneb 1000req/s s minimálními nároky na server
1. sraz přátel Symfony v Praze (29.10.2015)
O mně
• Kouzelná Almara
• Skrz.cz
• @jakubkulhan
• github.com/jakubkulhan
Slovníček
• klik = najedu myší na nabídku a zmáčknu tlačítko
• imprese = podíval jsem se na nabídku (alespoň polovina nabídky byla ve viewportu alespoň jednu sekundu)
• CTR (click-through rate) = kliky / imprese
ReactPHP(neplést s ReactJS!)
http://reactphp.org/
(https://github.com/jakubkulhan/hit-server-bench)
Boot$kernel = new AppKernel( $environment = $input->getOption("environment"), $environment !== "prod" ); $kernel->boot();
$loop = Factory::create();
/** @var Container $container */ $container = $kernel->getContainer(); $container->set("react.loop", $loop);
$socket = new Socket($loop); $http = new Server($socket);
$http->on("request", function ( Request $request, Response $response ) use ($kernel, $loop) { // ... });
$socket->listen( $port = $input->getOption("port"), $host = $input->getOption("host") );
echo "Listening to {$host}:{$port}\n";
$loop->run();
ReactPHP → Symfony$headers = $request->getHeaders(); $cookies = []; if (isset($headers["Cookie"])) { foreach ((array)$headers["Cookie"] as $cookieHeader) { foreach (explode(";", $cookieHeader) as $cookie) { list($name, $value) = explode("=", trim($cookie), 2); $cookies[$name] = urldecode($value); } } } $symfonyRequest = new SymfonyRequest( $request->getQuery(), [], // TODO: handle post data [], $cookies, [], [ "REQUEST_URI" => $request->getPath(), "SERVER_NAME" => explode(":", $headers["Host"])[0], "REMOTE_ADDR" => $request->remoteAddress, "QUERY_STRING" => http_build_query($request->getQuery()), ], null // TODO: handle post data ); $symfonyRequest->headers->replace($headers); $symfonyResponse = $kernel->handle($symfonyRequest); if ($kernel instanceof TerminableInterface) { $kernel->terminate($symfonyRequest, $symfonyResponse); }
Symfony → ReactPHPif ($symfonyResponse instanceof PromiseInterface) { $symfonyResponse->then(function (SymfonyResponse $symfonyResponse) use ($response) { $this->send($response, $symfonyResponse);
}, function ($error) use ($loop, $response) { echo "Exception: ", (string) $error, "\n";
$response->writeHead(500, ["Content-Type" => "text/plain"]); $response->end("500 Internal Server Error"); $loop->stop(); });
} elseif ($symfonyResponse instanceof SymfonyResponse) { $this->send($response, $symfonyResponse);
} else { echo "Unsupported response type: ", get_class($symfonyResponse), "\n";
$response->writeHead(500, ["Content-Type" => "text/plain"]); $response->end("500 Internal Server Error"); $loop->stop(); }
Symfony → ReactPHP (2)
private function send(Response $res, SymfonyResponse $symfonyResponse) { $headers = $symfonyResponse->headers->allPreserveCase(); $headers["X-Powered-By"] = "Love";
$cookies = $symfonyResponse->headers->getCookies(); if (count($cookies)) { $headers["Set-Cookie"] = []; foreach ($symfonyResponse->headers->getCookies() as $cookie) { $headers["Set-Cookie"][] = (string)$cookie; } }
$res->writeHead($symfonyResponse->getStatusCode(), $headers); $res->end($symfonyResponse->getContent()); }
Controller/** * @Controller */ class IndexController { /** * @var LoopInterface * * @Autowired */ public $loop;
public function indexAction(Request $request) { return Response::create("Hello, world!\n"); }
public function promiseAction(Request $request) { $secs = intval($request->attributes->get("secs")); $deferred = new Deferred(); $this->loop->addTimer($secs, function () use ($secs, $deferred) { $deferred->resolve(Response::create("{$secs} seconds later...\n")); }); return $deferred->promise(); } }
Knihovny• ReactPHP (např. HTTP klient, ZeroMQ)
https://github.com/reactphp
• MySQLhttps://github.com/kaja47/async-mysqlhttps://github.com/KhristenkoYura/react-mysqlhttps://github.com/bixuehujin/reactphp-mysql
• Redis https://github.com/nrk/predis-async
• RabbitMQ https://github.com/jakubkulhan/bunny
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