public abstract class RdmaConnection implements AutoCloseable {

    /**
     * RDMA connection state enumeration
     */
    public enum RdmaConnectionState {
        /** Connection is not established */
        DISCONNECTED,
        /** Connection is being established */
        CONNECTING,
        /** Connection is established but not ready for RDMA operations */
        CONNECTED,

import jcifs.internal.smb2.ServerMessageBlock2Response;
import jcifs.internal.util.SMBUtil;

/**
 * SMB2 Tree Disconnect response message.
 *
 * This response confirms that the tree connection
 * has been successfully disconnected.
 *
 * @author mbechler
 */
public class Smb2TreeDisconnectResponse extends ServerMessageBlock2Response {

    /**
     * Creates a new SMB2 tree disconnect response.
     *

import (
	"context"
	"net"
	"time"
)

// CheckPortAvailability - check if given host and port is already in use.
// Note: The check method tries to listen on given port and closes it.
// It is possible to have a disconnected client in this tiny window of time.
func CheckPortAvailability(host, port string, opts TCPOptions) (err error) {
	lc := &net.ListenConfig{}

	ctx, cancel := context.WithTimeout(context.Background(), time.Second)

 */
package jcifs.internal.smb2.multichannel;

/**
 * SMB3 Multi-Channel connection states
 */
public enum ChannelState {
    /**
     * Channel is not connected
     */
    DISCONNECTED(0),

    /**
     * Connection establishment in progress
     */
    CONNECTING(1),

    /**
     * Authentication in progress
     */
    AUTHENTICATING(2),

    /**

        try (SmbSessionImpl session = getSession()) {
            if (isConnected()) {
                try (SmbTransportImpl transport = session.getTransport()) {
                    if (transport.isDisconnected() || transport.getRemoteHostName() == null) {
                        /*
                         * Tree/session thinks it is connected but transport disconnected
                         * under it, reset tree to reflect the truth.

	"net"
	"syscall"
	"time"
)

// CheckPortAvailability - check if given host and port is already in use.
// Note: The check method tries to listen on given port and closes it.
// It is possible to have a disconnected client in this tiny window of time.
func CheckPortAvailability(host, port string, opts TCPOptions) (err error) {
	lc := &net.ListenConfig{
		Control: func(network, address string, c syscall.RawConn) error {

        // Note: Real SmbTransportImpl will report as disconnected without actual socket
        SmbTransportImpl second = testPool.getSmbTransport(ctx, address, 445, false);

        // Then: Will create new connection since real transport has no socket
        assertNotSame(first, second, "Should create new connection when first is disconnected");
    }

    @Test

        assertThrows(SmbException.class, () -> tree.treeConnect(null, null));
        // After failure, state should be reset to disconnected
        assertEquals(0, tree.connectionState);
    }

    @Test
    void testSend() throws SmbException {
        SmbTree tree = new SmbTree(session, "testShare", "A:");

 * named pipe without actually removing the data from the pipe.
 */
public class TransPeekNamedPipeResponse extends SmbComTransactionResponse {

    /**
     * Named pipe status indicating the pipe is disconnected.
     */
    public static final int STATUS_DISCONNECTED = 1;

    /**
     * Named pipe status indicating the pipe is listening for connections.
     */
    public static final int STATUS_LISTENING = 2;

     */
    @Test
    public void testConnectedFlag() {
        assertFalse("Initially not connected", fesenClient.connected());

        // After destroy, should be disconnected
        fesenClient.destroy();
        assertFalse("Should be disconnected after destroy", fesenClient.connected());
    }