private function acceptCommand($watcherId, $commandServer)
{
if (!($client = @stream_socket_accept($commandServer, $timeout = 0))) {
return;
}
stream_set_blocking($client, false);
$parser = $this->commandParser($client);
$readWatcherId = \Amp\onReadable($client, function () use($parser) {
$parser->next();
});
$parser->send($readWatcherId);
}