import java.util.concurrent.atomic.AtomicLong;
import java.util.concurrent.atomic.AtomicReference;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * Simplified circuit breaker implementation for SMB operations.
 * Thread-safe and lock-free implementation to prevent cascading failures.
 *
 * Features:
 * - Simple state management (CLOSED, OPEN, HALF_OPEN)
 * - Lock-free atomic operations

    }

    @Test
    void testSMBHeader() {
        assertNotNull(SMBUtil.SMB_HEADER);
        assertEquals(24, SMBUtil.SMB_HEADER.length);

        // Verify SMB header signature
        assertEquals((byte) 0xFF, SMBUtil.SMB_HEADER[0]);
        assertEquals((byte) 'S', SMBUtil.SMB_HEADER[1]);
        assertEquals((byte) 'M', SMBUtil.SMB_HEADER[2]);

/* jcifs smb client library in Java
 * Copyright (C) 2000  "Michael B. Allen" <jcifs at samba dot org>
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,

        // Prepare test data with zero values
        byte[] buffer = createValidBuffer("zerofile.txt", "ZEROFI~1.TXT", true);

        // Set zero values - for SMB times, 0 in wire format represents 0 in Java time
        SMBUtil.writeInt4(0, buffer, 0); // nextEntryOffset
        SMBUtil.writeInt4(0, buffer, 4); // fileIndex

        assertEquals(Smb2CreateRequest.SMB2_IMPERSONATION_LEVEL_DELEGATE, impLevel);
    }

    @Test
    @DisplayName("Test SMB create flags setter")
    void testSetSmbCreateFlags() {
        request = new Smb2CreateRequest(mockConfig, "test.txt");

        long flags = 0x1234567890ABCDEFL;
        request.setSmbCreateFlags(flags);

     * This method implements incremental crawling by comparing timestamps and checking document
     * expiration. It also handles special cases for different URL schemes (SMB, file, FTP).
     *
     * @param client the crawler client to use for accessing the URL
     * @param urlQueue the URL queue item containing the URL to check

/* jcifs smb client library in Java
 * Copyright (C) 2002  "Michael B. Allen" <jcifs at samba dot org>
 *                   "Eric Glass" <jcifs at samba dot org>
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *

     */
    public void setImpersonationLevel(final int impersonationLevel) {
        this.impersonationLevel = impersonationLevel;
    }

    /**
     * Set the SMB create flags
     * @param smbCreateFlags the smbCreateFlags to set
     */
    public void setSmbCreateFlags(final long smbCreateFlags) {
        this.smbCreateFlags = smbCreateFlags;
    }

    /**

 * MA 02111-1307, USA
 */

package jcifs.util;

import java.io.IOException;
import java.util.Date;

import jcifs.SmbConstants;

/**
 * Encoding and decoding utility class for SMB protocol.
 * Provides methods for encoding/decoding various data types in different byte orders.
 */
public final class Encdec {

    private static final long SEC_BETWEEEN_1904_AND_1970 = 2082844800L;

import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.atomic.AtomicLong;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import jcifs.RuntimeCIFSException;
import jcifs.smb.RequestParam;

/**
 * This class simplifies communication for protocols that support
 * multiplexing requests. It encapsulates a stream and some protocol
 * knowledge (provided by a concrete subclass) so that connecting,