) {
    if (byteCount < 0L) {
      throw IndexOutOfBoundsException()
    }
    var mutablePos = pos
    var mutableByteCount = byteCount

    while (mutableByteCount > 0L) {
      val bytesRead = fileChannel.transferTo(mutablePos, mutableByteCount, sink)
      mutablePos += bytesRead
      mutableByteCount -= bytesRead
    }
  }

        }
    }

    /**
     * Transfers the contents of the file channel {@literal from} to {@literal to}.
     *
     * @param from
     *            The source file channel. Must not be {@literal null}.
     * @param to
     *            The destination file channel. Must not be {@literal null}.
     * @return The number of bytes transferred.
     */
    public static long transfer(final FileChannel from, final FileChannel to) {

  /** Creates a new byte array for buffering reads or writes. */
  static byte[] createBuffer() {
    return new byte[BUFFER_SIZE];
  }

  /**
   * There are three methods to implement {@link FileChannel#transferTo(long, long,
   * WritableByteChannel)}:
   *
   * <ol>
   *   <li>Use sendfile(2) or equivalent. Requires that both the input channel and the output

# RDMA (SMB Direct) Feature - Detailed Design Document

## 1. Overview

SMB Direct enables high-performance data transfer using Remote Direct Memory Access (RDMA) technology. This provides ultra-low latency and high bandwidth data transfer by bypassing the traditional TCP/IP stack and allowing direct memory-to-memory transfers between client and server.

## 2. Protocol Specification Reference

- **MS-SMBD**: SMB2 Remote Direct Memory Access (RDMA) Transport Protocol

        this.transfers = new IdentityHashMap<>();
    }

    @Override
    public void debug(String message) {}

    @Override
    public void transferCompleted(TransferEvent transferEvent) {
        ArtifactTransferEvent event = wrap(transferEvent);

        Long transferred;
        synchronized (transfers) {
            transferred = transfers.remove(transferEvent.getResource());
        }

public class TestTransferListener extends AbstractTransferListener {

    private final List<String> transfers = new ArrayList<>();

    public List<String> getTransfers() {
        return transfers;
    }

    public void addTransfer(String name) {
        transfers.add(name);
    }

        } catch (final Exception e) {
            engineObj.status = "red";
            engineObj.exception = e.getMessage();
        }
        return engineObj;
    }

    /**
     * Data transfer object representing filesystem statistics.
     */
    public static class FsObj {
        /**
         * Default constructor.
         */
        public FsObj() {
            // Default constructor

     * A transfer is completed.
     */
    public static final int TRANSFER_COMPLETED = 2;

    /**
     * A transfer is in progress.
     */
    public static final int TRANSFER_PROGRESS = 3;

    /**
     * An error occurred during transfer
     */
    public static final int TRANSFER_ERROR = 4;

    /**
     * Indicates GET transfer  (from the repository)
     */
    public static final int REQUEST_GET = 5;

    val headers1 =
      Headers
        .Builder()
        .add("Connection", "close")
        .add("Transfer-Encoding", "chunked")
        .build()
    val headers2 =
      Headers
        .Builder()
        .add("Connection", "close")
        .add("Transfer-Encoding", "chunked")
        .build()
    assertThat(headers2).isEqualTo(headers1)

     *
     * @return The of the artifact in bytes or a negative value if unknown.
     */
    long getContentLength();

    /**
     * Gets the timestamp when the transfer of this artifact was started.
     *
     * @return The timestamp when the transfer of this artifact was started.
     */
    long getTransferStartTime();