}

        // Close all connections without synchronization - concurrent collections are thread-safe
        connections.forEach(conn -> {
            try {
                conn.disconnect(true, true);
            } catch (Exception e) {
                log.debug("Error closing connection: {}", e.getMessage());
            }
        });
        connections.clear();

    @DisplayName("Should close all connections and return in-use status")
    void testCloseAllConnections() throws Exception {
        // Given: Create pooled and non-pooled connections
        SmbTransportImpl pooled = pool.getSmbTransport(ctx, address, 445, false);
        SmbTransportImpl nonPooled = pool.getSmbTransport(ctx, address, 445, true);

        // Use reflection to access concurrent collections

     *
     * Property {@code jcifs.smb.client.lport} (int)
     *
     * @return local port to use for outgoing connections
     */
    int getLocalPort();

    /**
     *
     * Property {@code jcifs.smb.client.laddr} (string)
     *
     * @return local address to use for outgoing connections
     */
    InetAddress getLocalAddr();

    /**
     *

            "The specified network name is no longer available.", "Network access is denied.", "Bad device type",
            "The network name cannot be found.",
            "No more connections can be made to this remote computer at this time because there are already as many connections as the computer can accept.",

                // In a real implementation, this would handle RPC requests
                // For the mock, we just accept connections and close them
                clientSocket.close();
            } catch (IOException e) {
                if (running.get()) {
                    log.debug("Error accepting client connection", e);
                }
            }
        }
    }

    @Override
    public void close() {

    protected int smbSessionTimeout = SmbConstants.DEFAULT_SO_TIMEOUT;
    /** Whether idle timeout is disabled for connections */
    protected boolean idleTimeoutDisabled = false;
    /** Local address to bind for SMB connections */
    protected InetAddress smbLocalAddress;
    /** Local port to bind for SMB connections */
    protected int smbLocalPort = 0;
    /** Maximum multiplex count for concurrent requests */

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

import jcifs.CIFSException;
import jcifs.Configuration;

/**
 * SMB3 Multi-Channel Manager.
 *
 * Manages multiple network connections for improved performance and redundancy
 * as specified in the SMB 3.x multi-channel feature.
 */
public class MultiChannelManager {

    private static final Logger log = LoggerFactory.getLogger(MultiChannelManager.class);

            "The specified network name is no longer available.", "Network access is denied.", "The network name cannot be found.",
            "No more connections can be made to this remote computer at this time because there are already as many connections as the computer can accept.",

 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
package jcifs.internal.smb2.multichannel;

/**
 * Load balancing strategies for multi-channel connections
 */
public enum LoadBalancingStrategy {
    /**
     * Round-robin selection through available channels
     */
    ROUND_ROBIN,

    /**
     * Select the least busy channel based on pending operations

    }

    /**
     * Get total number of connections created
     *
     * @return connection count
     */
    public long getConnectionsCreated() {
        return connectionsCreated.get();
    }

    /**
     * Get number of currently active connections
     *
     * @return active connection count
     */
    public long getConnectionsActive() {