*/
    public <T extends Response> T sendrecv ( Request request, T response, Set<RequestParam> params ) throws IOException {
        if ( isDisconnected() && this.state != 5 ) {
            throw new TransportException("Transport is disconnected " + this.name);
        }
        try {
            long timeout = !params.contains(RequestParam.NO_TIMEOUT) ? getResponseTimeout(request) : 0;

                    Smb2CloseRequest req = new Smb2CloseRequest(this.cfg, this.fileId);
                    t.send(req, RequestParam.NO_RETRY);
                }
                else {
                    t.send(new SmbComClose(this.cfg, this.fid, lastWriteTime), new SmbComBlankResponse(this.cfg), RequestParam.NO_RETRY);
                }
            }
        }
        finally {
            this.open = false;

                    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);
        }
    }

        return send(request, response, Collections.<RequestParam> emptySet());
    }


    <T extends CommonServerMessageBlockResponse> T send ( CommonServerMessageBlockRequest request, T response, Set<RequestParam> params )
            throws SmbException {
        ensureConnected(); /* must negotiate before we can test flags2, useUnicode, etc */

                        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 ) {

                        copy.setInputData(new SrvCopychunkCopy(resumeKey, chunkInfo));

                        try {
                            SrvCopyChunkCopyResponse r = dh.send(copy, RequestParam.NO_RETRY).getOutputData(SrvCopyChunkCopyResponse.class);
                            if ( log.isDebugEnabled() ) {
                                log.debug(
                                    String.format(

                if ( createResp.isReceived() && createResp.getStatus() == NtStatus.NT_STATUS_OK ) {
                    th.send(new Smb2CloseRequest(th.getConfig(), createResp.getFileId()), RequestParam.NO_RETRY);
                }
            }
            catch ( Exception e2 ) {
                log.debug("Failed to close after failure", e2);
                e.addSuppressed(e2);
            }