SMBUtil.writeInt4(-1000, buffer, bufferIndex + 11);
        SMBUtil.writeInt4(0, buffer, bufferIndex + 15);
        SMBUtil.writeInt4(0, buffer, bufferIndex + 19);
        SMBUtil.writeInt4(-5000, buffer, bufferIndex + 23);
        SMBUtil.writeInt4(0, buffer, bufferIndex + 27);
        SMBUtil.writeInt4(0, buffer, bufferIndex + 31);
        buffer[bufferIndex + 35] = (byte) 0x80; // 128 as unsigned

            it.start();

            final Process currentProcess = jobProcess.getProcess();
            currentProcess.waitFor();
            it.join(5000);

            final int exitValue = currentProcess.exitValue();

            if (logger.isInfoEnabled()) {
                logger.info("Crawler: Exit Code={} - Process Output:\n{}", exitValue, it.getOutput());

            int newThreshold = currentThreshold;

            // If failure rate is high but response time is normal, be more lenient
            if (failureRate > 0.5 && avgResponseTime < 5000) {
                newThreshold = Math.min(currentThreshold + 2, 15);
            }
            // If failure rate is moderate but response time is very high, be stricter

            log.debug("Unknown host", uhe);
            // Cache negative result for host resolution failures
            this.attrExpiration = currentTime + Math.min(getContext().getConfig().getAttributeCacheTimeout(), 30000);
            return false;
        } catch (final SmbException se) {
            log.trace("exists:", se);
            switch (se.getNtStatus()) {
            case NtStatus.NT_STATUS_NO_SUCH_FILE:

            // Performance check - should complete reasonably fast with optimized locking
            long duration = endTime - startTime;
            assertTrue(duration < 5000, "Concurrent verifies should complete within 5 seconds");
        }
    }

    @Nested
    @DisplayName("Integration Tests")
    class IntegrationTests {

        @Test

                scheduleReconnect(handle, 0);
                break;
                
            case SERVER_REBOOT:
                // Wait before reconnecting
                scheduleReconnect(handle, 5000);
                break;
                
            case HANDLE_EXPIRED:
            case LEASE_BREAK:
                // Release handle, create new one
                releaseAndRecreate(handle);

        return wasInUse;
    }

    @Override
    protected long makeKey(final Request request) throws IOException {
        long m = this.mid.incrementAndGet() - 1;
        if (!this.smb2) {
            m = m % 32000;
        }
        ((CommonServerMessageBlock) request).setMid(m);
        return m;
    }

    @Override
    protected Long peekKey() throws IOException {
        do {

     */
    private boolean isWitnessServiceAvailable(InetAddress address) {
        // RPC endpoint mapper port and connection timeout
        final int RPC_ENDPOINT_PORT = 135;
        final int RPC_CONNECT_TIMEOUT_MS = 5000;

        try (Socket socket = new Socket()) {
            socket.connect(new InetSocketAddress(address, RPC_ENDPOINT_PORT), RPC_CONNECT_TIMEOUT_MS);
            return true;
        } catch (IOException e) {

    static final int ATTR_GET_MASK = 0x7FFF; /* orig 0x7fff */
    static final int ATTR_SET_MASK = 0x30A7; /* orig 0x0027 */

    static final int DEFAULT_ATTR_EXPIRATION_PERIOD = 5000;

    static final int HASH_DOT = ".".hashCode();
    static final int HASH_DOT_DOT = "..".hashCode();

    static LogStream log = LogStream.getInstance();