/**
* Порождает объект класса React\Promise.
*
* @return mixed Возвращает React\Promise
*
* @throws \Exception если результатом запроса уже является Future
*/
public function promise()
{
if ($this->future) {
throw new \Exception("You could not give promise when future is in!");
}
if ($this->promise) {
return $this->promise;
}
return $this->promise = Promise::create($this->stream, $this->onResolve);
}
/**
* Устанавливает обработчики событий для сокетов
*
* @param Stream $stream
* @param Deferred $deferred
* @param callable $onResolve
*/
protected static function setListenersToStream(Stream $stream, $deferred, $onResolve)
{
$response = new \Phasty\Server\Http\Response();
$response->setReadStream($stream);
$response->on("read-complete", function ($event, $response) use($deferred, $onResolve) {
$result = Result::processResponse($response);
Promise::resolveWith($deferred, $result, $onResolve);
});
$response->on("error", function ($event) use($deferred) {
$deferred->reject(new \Exception($event->getData()));
});
$streamSet = PromiseContext::getActiveStreamSet();
if (is_null($streamSet)) {
$deferred->reject(new \Exception("No promise context"));
$stream->close();
return;
}
$streamSet->addReadStream($stream);
$timer = new Timer(Result::OPERATION_TIMEOUT_SECONDS, Result::OPERATION_TIMEOUT_MICROSECONDS, function () use($stream, $deferred) {
$deferred->reject(new \Exception("Operation timed out"));
$stream->close();
});
$streamSet->addTimer($timer);
}
