import jcifs.internal.util.SMBUtil;

/**
 * SMB2 RDMA Transform Capabilities negotiate context.
 *
 * This context is used during SMB2 negotiation to indicate RDMA transform
 * capabilities when SMB Direct is supported by the client and server.
 */
public class Smb2RdmaTransformCapabilitiesContext implements NegotiateContextRequest, NegotiateContextResponse {

    // Context type

 */
package jcifs.internal.smb2.rdma;

/**
 * Constants for RDMA capabilities and default configuration values.
 * Based on MS-SMBD specification for SMB Direct protocol.
 */
public class RdmaCapabilities {

    /**
     * RDMA transform capabilities flag indicating response is requested
     */
    public static final int SMB_DIRECT_RESPONSE_REQUESTED = 0x00000001;

                }
            }
        } catch (Exception e) {
            log.debug("Cached directory listing failed, falling back to direct query", e);
        }
        
        // Fall back to direct server query
        return directory.performDirectEnumeration();
    }
}
```

## 10. Monitoring and Metrics

### 10.1 Directory Cache Statistics

        doReturn(mockIn).when(spyHandle).getInput();

        when(mockIn.readDirect(any(byte[].class), anyInt(), anyInt())).thenReturn(5);

        byte[] b = new byte[10];
        int n = spyHandle.recv(b, 1, 3);
        assertEquals(5, n);
        verify(mockIn).readDirect(eq(b), eq(1), eq(3));
    }

    @Test
    @DisplayName("send delegates to output.writeDirect with args")

     *
     * @throws IOException if a network error occurs
     */

    @Override
    public int read(final byte[] b, final int off, final int len) throws IOException {
        return readDirect(b, off, len);
    }

    /**
     * Reads up to len bytes of data from this input stream into an array of bytes.
     *
     * @param b the buffer into which the data is read

    }

    /**
     * Test getFlags method.
     * This is implicitly tested by the constructors, but an explicit test ensures its direct functionality.
     */
    @Test
    void testGetFlags() {
        int expectedFlags = 0xAABBCCDD;
        AvFlags avFlags = new AvFlags(expectedFlags);

 * This filter processes requests with specific encoding requirements and converts
 * character encodings according to configured mapping rules.
 *
 * <p>The filter intercepts requests matching configured path patterns and
 * redirects them with proper character encoding applied to parameters.</p>
 */
public class EncodingFilter implements Filter {
    /** Configuration key for encoding rules mapping */

            // Direct ACE: Allow WNET\\alice 0x001200A9
            int aliceDirectACE = 0x001200A9;
            assertTrue((aliceDirectACE & ACE.FILE_READ_DATA) != 0, "Alice's direct ACE should allow FILE_READ_DATA");
            assertFalse((aliceDirectACE & ACE.FILE_WRITE_DATA) != 0, "Alice's direct ACE should not allow FILE_WRITE_DATA");

     */
    public void setRemainingBytes(final int remainingBytes) {
        this.remainingBytes = remainingBytes;
    }

    /**
     * Add RDMA channel information for direct memory access
     *
     * @param remoteKey remote memory key
     * @param address remote memory address
     * @param length length of memory region
     */

     *
     * @throws IOException
     *             if a network error occurs
     */

    @Override
    public int read(final byte[] b, final int off, final int len) throws IOException {
        return readDirect(b, off, len);
    }

    /**
     * Reads up to len bytes of data from this input stream into an array of bytes.
     * Optimized for better performance with larger read sizes and reduced round trips.
     *