Workerman\Connection\TcpConnection::bufferIsFull PHP Метод

    protected function bufferIsFull()
    {
        // Buffer has been marked as full but still has data to send then the packet is discarded.
        if ($this->maxSendBufferSize <= strlen($this->_sendBuffer)) {
            if ($this->onError) {
                try {
                    call_user_func($this->onError, $this, WORKERMAN_SEND_FAIL, 'send buffer full and drop package');
                } catch (\Exception $e) {
                    Worker::log($e);
                    exit(250);
                } catch (\Error $e) {
                    Worker::log($e);
                    exit(250);
                }
            }
            return true;
        }
        return false;
    }