if (log.isTraceEnabled()) {
            log.trace(req.toString());
            log.trace(Hexdump.toHexString(this.sbuf, 4, n));
        }

        this.out.write(this.sbuf, 0, 4 + n);
        this.out.flush();
        log.trace("Wrote negotiate request");
        return n;
    }

    /**
     * @throws SocketException

                    throw r;
                } catch (SmbException se) {
                    if (log.isTraceEnabled()) {
                        log.trace("Send failed", se);
                        log.trace("Request: " + request);
                        log.trace("Response: " + response);
                    }
                    throw se;
                }
            } finally {
                request.setDigest(null);