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

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

        return response;
    }


    @Override
    public boolean exists () throws SmbException {

        if ( this.attrExpiration > System.currentTimeMillis() ) {
            log.trace("Using cached attributes");
            return this.isExists;
        }

        this.attributes = ATTR_READONLY | ATTR_DIRECTORY;
        this.createTime = 0L;
        this.lastModified = 0L;