# Directory leasing
jcifs.smb.client.useDirectoryLeasing=true
jcifs.smb.client.dirCacheTimeout=60000

# RDMA
jcifs.smb.client.useRDMA=auto
jcifs.smb.client.rdmaProvider=disni

# Witness
jcifs.smb.client.useWitness=true
jcifs.smb.client.witnessNotificationTimeout=5000
```

## Risk Assessment

### Technical Risks
1. **RDMA Complexity**: Limited Java RDMA support may require JNI

        }

        @Test
        @DisplayName("Should decode efficiently for large buffers")
        void testLargeBufferDecoding() throws SMBProtocolDecodingException {
            byte[] largeBuffer = new byte[10000];
            FileFsSizeInformation info = new FileFsSizeInformation();

            long startTime = System.nanoTime();
            info.decode(largeBuffer, 0, 24);
            long endTime = System.nanoTime();

        "U0.50", // #5
        "U2.00", // #6
        "R0.00, R0.50, R0.50, R0.50, R0.50, R0.50, R0.50, R0.50"); // #7
  }

  public void testWarmUpWithColdFactor() {
    RateLimiter limiter = RateLimiter.create(5.0, 4000, MILLISECONDS, 10.0, stopwatch);
    for (int i = 0; i < 8; i++) {
      limiter.acquire(); // #1
    }
    stopwatch.sleepMillis(200); // #2: to repay for the last acquire

        "U0.50", // #5
        "U2.00", // #6
        "R0.00, R0.50, R0.50, R0.50, R0.50, R0.50, R0.50, R0.50"); // #7
  }

  public void testWarmUpWithColdFactor() {
    RateLimiter limiter = RateLimiter.create(5.0, 4000, MILLISECONDS, 10.0, stopwatch);
    for (int i = 0; i < 8; i++) {
      limiter.acquire(); // #1
    }
    stopwatch.sleepMillis(200); // #2: to repay for the last acquire

            // Verify data at different positions
            assertArrayEquals(Arrays.copyOfRange(smallBuffer, 0, smallEncodedSize),
                    Arrays.copyOfRange(largeBuffer, 500, 500 + largeEncodedSize));
        }
    }

    @Nested
    @DisplayName("Constants Tests")
    class ConstantsTest {

        @Test

    // we rule out characters that would cause problems in host headers.
    if (c <= '\u001f' || c >= '\u007f') {
      return true
    }
    // Check for the characters mentioned in the WHATWG Host parsing spec:
    // U+0000, U+0009, U+000A, U+000D, U+0020, "#", "%", "/", ":", "?", "@", "[", "\", and "]"
    // (excluding the characters covered above).
    if (" #%/:?@[\\]".indexOf(c) != -1) {
      return true
    }
  }
  return false
}

 * cache instances created by {@code CacheBuilder} will not perform any type of eviction.
 *
 * <p>Usage example:
 *
 * {@snippet :
 * LoadingCache<Key, Graph> graphs = CacheBuilder.newBuilder()
 *     .maximumSize(10000)
 *     .expireAfterWrite(Duration.ofMinutes(10))
 *     .removalListener(MY_LISTENER)
 *     .build(
 *         new CacheLoader<Key, Graph>() {
 *           public Graph load(Key key) throws AnyException {

        } finally {
            bufferManager.releaseSendRegion(sendRegion);
        }
    }
    
    private void waitForSendCredit() throws IOException {
        long deadline = System.currentTimeMillis() + 5000;  // 5 second timeout
        
        while (!rdmaConnection.canSend() && System.currentTimeMillis() < deadline) {
            try {
                Thread.sleep(10);
            } catch (InterruptedException e) {

      int chosen = Hashing.consistentHash(h, shards);
      if (chosen != last) {
        map.incrementAndGet(shards);
        last = chosen;
      }
    }
  }

  private static final int ITERS = 10000;
  private static final int MAX_SHARDS = 500;

  public void testConsistentHash_outOfRange() {
    assertThrows(IllegalArgumentException.class, () -> Hashing.consistentHash(5L, 0));
  }

import java.util.StringTokenizer;

import jcifs.smb1.Config;
import jcifs.smb1.util.Hexdump;
import jcifs.smb1.util.LogStream;

class NameServiceClient implements Runnable {

    static final int DEFAULT_SO_TIMEOUT = 5000;
    static final int DEFAULT_RCV_BUF_SIZE = 576;
    static final int DEFAULT_SND_BUF_SIZE = 576;
    static final int NAME_SERVICE_UDP_PORT = 137;
    static final int DEFAULT_RETRY_COUNT = 2;