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

import org.lastaflute.web.validation.theme.conversion.ValidateTypeFailure;

import jakarta.validation.constraints.Size;

/**
 * Form class for editing access tokens in the admin interface.
 * This form extends CreateForm to include fields necessary for updating existing access tokens,
 * including tracking information for optimistic locking and audit trails.
 *
 */
public class EditForm extends CreateForm {

    /**

    }

    SmbFileOutputStream(final SmbFile file, final boolean append, final int openFlags, final int access, final int sharing)
            throws SmbException {
        this.file = file;
        this.append = append;
        this.openFlags = openFlags;
        this.sharing = sharing;
        this.access = access | SmbConstants.FILE_WRITE_DATA;

        try (SmbTreeHandleImpl th = file.ensureTreeConnected()) {

     */
    int GROUP_SECURITY_INFO = 0x2;

    /**
     * Flag indicating that discretionary access control list (DACL) information is requested or being set.
     */
    int DACL_SECURITY_INFO = 0x4;

    /**
     * Flag indicating that system access control list (SACL) information is requested or being set.
     */
    int SACL_SECURITY_INFO = 0x8;

    /**

    /**
     * Create new TCP memory region
     *
     * @param buffer memory buffer
     * @param access access permissions (ignored for TCP)
     */
    public TcpMemoryRegion(ByteBuffer buffer, EnumSet<RdmaAccess> access) {
        super(buffer, access);
    }

    @Override
    public void invalidate() {
        // No real invalidation needed for TCP
        valid = false;
    }

    /**
     * Gets the last modified time.
     *
     * @return the last modified time in milliseconds since epoch
     */
    long lastModified();

    /**
     * Gets the last access time.
     *
     * @return the last access time in milliseconds since epoch
     */
    long lastAccess();

    /**
     * Gets the file size.
     *
     * @return the file size in bytes
     */
    long length();

     * @param tree
     * @param unc
     * @param options
     * @param attrs
     * @param access
     * @param flags
     * @param initialSize
     */
    public SmbFileHandleImpl(final Configuration cfg, final byte[] fid, final SmbTreeHandleImpl tree, final String unc, final int flags,
            final int access, final int attrs, final int options, final long initialSize) {
        this.cfg = cfg;
        this.fileId = fid;

     * @param policyHandle the policy handle for this domain
     * @param access the desired access rights
     * @param sid the security identifier of the domain
     * @throws IOException if an I/O error occurs during handle creation
     */
    public SamrDomainHandle(final DcerpcHandle handle, final SamrPolicyHandle policyHandle, final int access, final rpc.sid_t sid)
            throws IOException {
        this.handle = handle;

     * @param domainHandle the domain handle containing this alias
     * @param access the desired access rights
     * @param rid the relative identifier of the alias
     * @throws IOException if an I/O error occurs during handle creation
     */
    public SamrAliasHandle(final DcerpcHandle handle, final SamrDomainHandle domainHandle, final int access, final int rid)
            throws IOException {
        this.handle = handle;

        // Assert
        assertNotNull(handle);
        verify(mockDcerpcHandle, times(1)).sendrecv(any(MsrpcLsarOpenPolicy2.class));
    }

    @Test
    void constructor_shouldHandleNullServerSuccessfully() throws IOException {
        // Arrange
        String server = null;
        int access = 123;

        doAnswer(invocation -> {