```

### Background Crawling

```java
// Configure for background execution
crawler.setBackground(true);
String sessionId = crawler.execute();

// Check crawling status
while (crawler.crawlerContext.getStatus() == CrawlerStatus.RUNNING) {
    Thread.sleep(1000);
    System.out.println("Crawling in progress...");
}

// Wait for completion
crawler.awaitTermination();

            log.debug("Negotiated file read size is " + this.readSizeFile);
        }
    }

    /**
     * Ensures that the file descriptor is openend
     *
     * @throws CIFSException if an error occurs while opening the file
     */
    public void open() throws CIFSException {
        try (SmbFileHandleImpl fh = ensureOpen()) {}
    }

    /**
     * @param file
     * @param openFlags
     * @return

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

    
    public void cleanup() {
        // Clean up all pooled regions
        RdmaMemoryRegion region;
        
        while ((region = availableSendRegions.poll()) != null) {
            region.close();
            totalReleased.incrementAndGet();
        }
        
        while ((region = availableReceiveRegions.poll()) != null) {
            region.close();
            totalReleased.incrementAndGet();
        }

     * Checks if a bucket exists in the object storage.
     * @param name the name of the bucket to check
     * @return true if the bucket exists, false otherwise
     * @throws CrawlingAccessException if an error occurs while checking bucket existence
     */
    protected boolean bucketExists(final String name) {
        try {
            final HeadBucketRequest request = HeadBucketRequest.builder().bucket(name).build();

                        final RC4 rc4 = new RC4(ntlm2SessionKey);
                        rc4.update(masterKey, 0, 16, exchangedKey, 0);
                        /* RC4 was not added to Java until 1.5u7 so let's use our own for a little while longer ...
                        try {
                            Cipher rc4 = Cipher.getInstance("RC4");
                            rc4.init(Cipher.ENCRYPT_MODE, new SecretKeySpec(ntlm2SessionKey, "RC4"));

        CoreExtensions coreExtensions = null;
        int eventType = parser.getEventType();
        boolean parsed = false;
        while (eventType != XmlPullParser.END_DOCUMENT) {
            if (eventType == XmlPullParser.START_TAG) {
                if (strict && !"extensions".equals(parser.getName())) {
                    throw new XmlPullParserException(

    BloomFilter<Object> bf = BloomFilter.create(HashTestUtils.BAD_FUNNEL, 10, 0.03);
    double fpp = bf.expectedFpp();
    assertThat(fpp).isEqualTo(0.0);
    // usually completed in less than 200 iterations
    while (fpp != 1.0) {
      boolean changed = bf.put(new Object());
      double newFpp = bf.expectedFpp();
      // if changed, the new fpp is strictly higher, otherwise it is the same

      do {
        approxLog10--;
        approxPow = approxPow.divide(BigInteger.TEN);
        approxCmp = approxPow.compareTo(x);
      } while (approxCmp > 0);
    } else {
      BigInteger nextPow = BigInteger.TEN.multiply(approxPow);
      int nextCmp = nextPow.compareTo(x);
      while (nextCmp <= 0) {
        approxLog10++;
        approxPow = nextPow;
        approxCmp = nextCmp;

    }

    static int readn(final InputStream in, final byte[] b, final int off, final int len) throws IOException {
        int i = 0, n;

        while (i < len) {
            n = in.read(b, off + i, len - i);
            if (n <= 0) {
                break;
            }
            i += n;
        }

        return i;
    }