private static final int SO_TIMEOUT = Config.getInt( "jcifs.smb1.netbios.soTimeout", DEFAULT_SO_TIMEOUT );
    private static final int RETRY_COUNT = Config.getInt( "jcifs.smb1.netbios.retryCount", DEFAULT_RETRY_COUNT );
    private static final int RETRY_TIMEOUT = Config.getInt( "jcifs.smb1.netbios.retryTimeout", DEFAULT_RETRY_TIMEOUT);
    private static final int LPORT = Config.getInt( "jcifs.smb1.netbios.lport", 0 );

 */
public enum RequestParam {

    /**
     * 
     */
    NONE,

    /**
     * Wait indefinitely for a response
     */
    NO_TIMEOUT,

    /**
     * Do not retry request on failure
     */
    NO_RETRY,

    /**
     * Save the raw payload for further inspection
     */
    RETAIN_PAYLOAD

                            Smb2IoctlResponse response = copy.getResponse();
                            if ( !retry && response.isReceived() && !response.isError()
                                    && response.getStatus() == NtStatus.NT_STATUS_INVALID_PARAMETER ) {
                                retry = true;
                                SrvCopyChunkCopyResponse outputData = response.getOutputData(SrvCopyChunkCopyResponse.class);

                    this.dcList[ i ] = null;
                }
            }

            /*
             * No DCs found, for retieval of list by expiring it and retry.
             */
            this.dcListExpiration = 0;
        }
        while ( retry-- > 0 );

        this.dcListExpiration = now + 1000 * 60 * 15; /* 15 min */

                    Smb2SetInfoRequest treq = new Smb2SetInfoRequest(th.getConfig(), fh.getFileId());
                    treq.setFileInformation(new FileEndOfFileInformation(0));
                    th.send(treq, RequestParam.NO_RETRY);
                }
            }
        }
        catch ( CIFSException e ) {
            throw SmbException.wrap(e);
        }
    }

                        dc_list[i] = null;
                    }
                }

                /* No DCs found, for retieval of list by expiring it and retry.
                 */
                dc_list_expiration = 0;
            } while (retry-- > 0);

            dc_list_expiration = now + 1000 * 60 * 15; /* 15 min */
}

        throw new UnknownHostException(

                req.setInputData(new ByteEncodable(buf, off, length));
                req.setMaxOutputResponse(maxRecvSize);
                Smb2IoctlResponse resp = th.send(req, RequestParam.NO_RETRY);
                return resp.getOutputLength();
            }
            else if ( this.transact ) {
                TransTransactNamedPipe req = new TransTransactNamedPipe(th.getConfig(), fh.getFid(), buf, off, length);

            boolean retry = true;

            // this will run at most twice. The first time, the firstRun flag is turned off, and if the retry flag
            // is set on the first run, it will be turned off and not re-set on the second try. This is because the
            // only way the retry flag can be set is if ( firstRun == true ).
            while (firstRun || retry) {

                    Smb2WriteResponse resp = th.send(request, RequestParam.NO_RETRY);
                    cnt = resp.getCount();
                }
                else {
                    SmbComWriteAndX request = new SmbComWriteAndX(th.getConfig(), fh.getFid(), this.fp, len - w - off, b, off, w, null);
                    th.send(request, this.write_andx_resp, RequestParam.NO_RETRY);
                    cnt = this.write_andx_resp.getCount();

                        request.setReadLength(r);
                        request.setRemainingBytes(len - r);

                        try {
                            Smb2ReadResponse resp = th.send(request, RequestParam.NO_RETRY);
                            n = resp.getDataLength();
                        }
                        catch ( SmbException e ) {
                            if ( e.getNtStatus() == 0xC0000011 ) {