Thruway\Transport\RawSocketTransportProvider::handleClose PHP Метод

    public function handleClose(Connection $conn)
    {
        Logger::debug($this, "Raw socket closed " . $conn->getRemoteAddress());
        $session = $this->sessions[$conn];
        $this->sessions->detach($conn);
        $this->router->getEventDispatcher()->dispatch('connection_close', new ConnectionCloseEvent($session));
    }