public SmbTreeHandleImpl connectWrapException(final SmbResourceLocatorImpl loc) throws SmbException {
        try {
            return connect(loc);
        } catch (final SmbException se) {
            throw se;
        } catch (final IOException ioe) {
            throw new SmbException("Failed to connect to server", ioe);
        }
    }

    /**
     * @param loc
     * @return tree handle
     * @throws IOException

            this.handle.decode(_src);
            this.retval = _src.dec_ndr_long();
        }
    }

    /**
     * SAMR Connect4 operation for establishing a connection to the SAM database.
     * This is an enhanced version of Connect2 with additional parameters.
     */
    public static class SamrConnect4 extends DcerpcMessage {

        @Override
        public int getOpnum() {

            handle.decode(_src);
            retval = _src.dec_ndr_long();
        }
    }

    /**
     * SAMR Connect4 operation for establishing a connection to the SAM database.
     * This is an enhanced version of Connect2 with additional parameters.
     */
    public static class SamrConnect4 extends DcerpcMessage {

        @Override
        public int getOpnum() {

 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.

        setTree(c, tree);

        SmbResourceLocatorImpl loc = new SmbResourceLocatorImpl(ctx, smbUrl("smb://host/share/"));
        SmbTreeHandle h = c.connect(loc);
        assertNotNull(h);
        // No host connect attempted as we're already connected
        verify(c, never()).connectHost(any(), anyString());
    }

    @Test
    @DisplayName("getSession returns null when no tree is present")

 */

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;

time="2020-07-12T20:45:50Z" level=info msg="config connector: mock"
time="2020-07-12T20:45:50Z" level=info msg="config connector: local passwords enabled"
time="2020-07-12T20:45:50Z" level=info msg="config response types accepted: [code token id_token]"
time="2020-07-12T20:45:50Z" level=info msg="config using password grant connector: local"
time="2020-07-12T20:45:50Z" level=info msg="config signing keys expire after: 3h0m0s"

    /**
     * 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 {

        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
     */