/**
* {@inheritdoc}
*/
public function start(HttpRequest $request, LoggerInterface $logger = null)
{
$this->logger = $logger;
if ($this->logger) {
$this->address = $request->getClientAddress();
$this->logger->debug('Enabled SSE for {address} using HTTP/{version}', ['address' => $this->address, 'version' => $request->getProtocolVersion()]);
}
}
/**
* Perform a direct upgrade of the connection to HTTP/2.
*
* @param HttpDriverContext $context HTTP context related to the HTTP endpoint.
* @param SocketStream $socket The underlying socket transport.
* @param HttpRequest $request The HTTP request that caused the connection upgrade.
* @param callable $action Server action to be performed for each incoming HTTP request.
*/
protected function upgradeConnectionDirect(HttpDriverContext $context, SocketStream $socket, HttpRequest $request, callable $action) : \Generator
{
$preface = (yield $socket->readBuffer(\strlen(Connection::PREFACE_BODY), true));
if ($preface !== Connection::PREFACE_BODY) {
throw new StatusException(Http::BAD_REQUEST, 'Invalid HTTP/2 connection preface body');
}
if ($this->logger) {
$this->logger->info('{ip} "{method} {target} HTTP/{protocol}" {status} {size}', ['ip' => $request->getClientAddress(), 'method' => $request->getMethod(), 'target' => $request->getRequestTarget(), 'protocol' => $request->getProtocolVersion(), 'status' => Http::SWITCHING_PROTOCOLS, 'size' => '-']);
}
$conn = new Connection($socket, new HPack($this->hpackContext), $this->logger);
(yield $conn->performServerHandshake(null, true));
if ($this->logger) {
$this->logger->info('HTTP/{protocol} connection from {peer} upgraded to HTTP/2', ['protocol' => $request->getProtocolVersion(), 'peer' => $socket->getRemoteAddress()]);
}
$remotePeer = $socket->getRemoteAddress();
try {
while (null !== ($received = (yield $conn->nextRequest($context)))) {
new Coroutine($this->processRequest($conn, $action, ...$received), true);
}
} finally {
try {
$conn->shutdown();
} finally {
if ($this->logger) {
$this->logger->debug('Closed HTTP/2 connection to {peer}', ['peer' => $remotePeer]);
}
}
}
}
protected function sendDeferredResponse(SocketStream $socket, HttpRequest $request, HttpResponse $response, bool $nobody, bool $close) : \Generator
{
if ($this->logger) {
$this->logger->info('{ip} "{method} {target} HTTP/{protocol}" {status} {size}', ['ip' => $request->getClientAddress(), 'method' => $request->getMethod(), 'target' => $request->getRequestTarget(), 'protocol' => $request->getProtocolVersion(), 'status' => $response->getStatusCode(), 'size' => '-']);
}
if (!$nobody) {
$close = true;
}
(yield $socket->write($this->serializeHeaders($response, $close, null, $nobody, true) . "\r\n"));
(yield $socket->flush());
if ($nobody) {
$response->getBody()->close(false);
return !$close;
}
$watcher = null;
$task = new Coroutine(function () use(&$watcher, $socket, $request, $response) {
$body = $response->getBody();
$body->start($request, $this->logger);
$bodyStream = (yield $body->getReadableStream());
$e = null;
try {
while (null !== ($chunk = (yield $bodyStream->read()))) {
(yield $socket->write($chunk));
}
} catch (StreamClosedException $e) {
// Client disconnected from server.
} finally {
try {
$bodyStream->close();
} finally {
$body->close($e ? true : false);
}
$watcher->cancel(new \RuntimeException());
}
return false;
}, true);
$watcher = new Coroutine(function () use($socket, $task) {
$socket = $socket->getSocket();
while (\is_resource($socket) && !\feof($socket)) {
(yield new AwaitRead($socket));
}
$task->cancel(new StreamClosedException('Client disconnected'));
});
return (yield $task);
}
