*/

package jcifs.smb1.smb1;

import jcifs.smb1.util.LogStream;

class SmbTree {

    private static int tree_conn_counter;

    /* 0 - not connected
     * 1 - connecting
     * 2 - connected
     * 3 - disconnecting
     */
    int connectionState;
    int tid;

    String share;
    String service = "?????";
    String service0;
    SmbSession session;

 2. It attempts to retrieve a connection with that address from the **connection pool**.
 3. If it doesn't find a connection in the pool, it selects a **route** to attempt. This usually means making a DNS request to get the server's IP addresses. It then selects a TLS version and proxy server if necessary.

   *
   * <p>If {@code edge} already connects an endpoint pair equal to {@code endpoints}, then this
   * method will have no effect.
   *
   * @return {@code true} if the network was modified as a result of this call
   * @throws IllegalArgumentException if {@code edge} already exists in the graph and connects some
   *     other endpoint pair that is not equal to {@code endpoints}

        super(remote, local);
    }

    @Override
    public void connect() throws IOException {
        try {
            socketChannel = SocketChannel.open();
            if (localAddress != null) {
                socketChannel.bind(localAddress);
            }

            socketChannel.connect(remoteAddress);
            socket = socketChannel.socket();
            socket.setTcpNoDelay(true);

    /**
     * Constructs an unconnected NbtSocket.
     */
    public NbtSocket() {
    }

    /**
     * Constructs an NbtSocket and connects it to the specified NetBIOS address and port.
     *
     * @param address the NetBIOS address to connect to
     * @param port the port number, or 0 for the default NetBIOS session service port
     * @throws IOException if an I/O error occurs while creating the socket
     */

    /**
     * Connect the transport
     *
     * @param timeout the maximum time to wait for the connection in milliseconds
     * @return whether the transport was connected
     * @throws TransportException if the connection fails
     */
    public synchronized boolean connect(final long timeout) throws TransportException {
        int st = this.state;
        try {

                    /* Some pipes may require that the hostname in the tree connect
                     * be the netbios name. So if we have the netbios server name
                     * from the NTLMSSP type 2 message, and the share is IPC$, we
                     * assert that the tree connect path uses the netbios hostname.
                     */

   * value that are {@linkplain Range#isConnected connected} to this range.
   *
   * <p>The behavior of {@link #get(Comparable) get(k)} after calling this method is identical to
   * the behavior described in {@link #put(Range, Object) put(range, value)}, however the ranges
   * returned from {@link #asMapOfRanges} will be different if there were existing entries which
   * connect to the given range and value.
   *

        // Arrange: spy on instance to force connect() failure with specific exception
        CIFSContext ctx = mock(CIFSContext.class);
        SmbTreeConnectionTrace trace = Mockito.spy(new SmbTreeConnectionTrace(ctx));
        doThrow(thrown).when(trace).connect(loc);

        // Act & Assert: both UnknownHostException and IOException should become CIFSException (SmbException)

        this.endpoint = new Object();
    }

    @Override
    public void connect() throws IOException {
        try {
            // In real implementation, this would establish the RDMA connection:
            // endpoint.connect(remoteAddress, 1000);  // 1 second timeout

            state = RdmaConnectionState.CONNECTED;
            log.debug("DiSNI RDMA connection established to {}", remoteAddress);