throw new DfsReferral(dr);
    }

    <T extends CommonServerMessageBlockResponse> T send(final CommonServerMessageBlockRequest request, final T response)
            throws SmbException {
        return send(request, response, Collections.<RequestParam> emptySet());
    }

    <T extends CommonServerMessageBlockResponse> T send(final CommonServerMessageBlockRequest request, T response,

                }

                if (t.isSMB2()) {
                    final 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 {

    /** Local port to bind for SMB connections */
    protected int smbLocalPort = 0;
    /** Maximum multiplex count for concurrent requests */
    protected int maxMpxCount = SmbConstants.DEFAULT_MAX_MPX_COUNT;
    /** Send buffer size for SMB socket operations */
    protected int smbSendBufferSize = SmbConstants.DEFAULT_SND_BUF_SIZE;
    /** Receive buffer size for SMB socket operations */

    /** Default socket timeout in milliseconds */
    int DEFAULT_SO_TIMEOUT = 35000;
    /** Default receive buffer size in bytes */
    int DEFAULT_RCV_BUF_SIZE = 60416;
    /** Default send buffer size in bytes */
    int DEFAULT_SND_BUF_SIZE = 16644;
    /** Default session limit */
    int DEFAULT_SSN_LIMIT = 250;
    /** Default connection timeout in milliseconds */
    int DEFAULT_CONN_TIMEOUT = 35000;

                if (file.type == SmbFile.TYPE_NAMED_PIPE) {
                    request.minCount = request.maxCount = request.remaining = 1024;
                }
                file.send(request, response);
            } catch (final SmbException se) {
                if (file.type == SmbFile.TYPE_NAMED_PIPE && se.getNtStatus() == NtStatus.NT_STATUS_PIPE_BROKEN) {
                    return -1;

            if (aggregations != null) {
                builder.facetResponse(new FacetResponse(aggregations));
            }

        });
        return builder.build();
    }

    /**
     * Sends a search request to OpenSearch with the specified parameters.
     *
     * @param query the search query string
     * @param params the search request parameters

                    resp.setContentType("text/html");
                    doDirectory(req, resp, smbFile);
                } else {
                    // Send 401
                    resp.setStatus(HttpServletResponse.SC_UNAUTHORIZED);
                    resp.setHeader("WWW-Authenticate", "NTLM");
                    resp.flushBuffer();
                }
            }

 */
package jcifs.internal.witness;

import jcifs.dcerpc.ndr.NdrBuffer;
import jcifs.dcerpc.ndr.NdrException;

/**
 * WitnessHeartbeat RPC message implementation for MS-SWN specification.
 * This message is used to send periodic heartbeats to maintain witness registrations.
 */
public class WitnessHeartbeatMessage extends WitnessRpcMessage {

    // Input parameters for WitnessHeartbeat
    private byte[] contextHandle;

    }
    
    private void startAsyncNotification(ChangeNotificationHandle handle) {
        CompletableFuture.runAsync(() -> {
            while (handle.active) {
                try {
                    // Send SMB2 Change Notify request
                    Smb2ChangeNotifyRequest request = new Smb2ChangeNotifyRequest();
                    request.setFileId(handle.directoryFile.getFileId());

        if (this.handle.isStale()) {
            throw new IOException("DCERPC pipe is no longer open");
        }
        this.handle.send(buf, off, length);
    }

    @Override
    protected int doReceiveFragment(final byte[] buf) throws IOException {
        if (buf.length < getMaxRecv()) {