if (file.type != SmbFile.TYPE_NAMED_PIPE) {
            file.open(openFlags, access, SmbFile.ATTR_NORMAL, 0);
            this.openFlags &= ~(SmbFile.O_CREAT | SmbFile.O_TRUNC);
        } else {
            file.connect0();
        }
        readSize = Math.min(file.tree.session.transport.rcv_buf_size - 70, file.tree.session.transport.server.maxBufferSize - 70);
    }

    /**
     * Converts an SmbException to an IOException.
     *

         *
         * @throws IOException If the connection cannot be established
         */
        @Override
        public synchronized void connect() throws IOException {
            if (connected) {
                return;
            }
            final String projectId = System.getenv("GCS_PROJECT_ID");
            final String endpoint = System.getenv("GCS_ENDPOINT");

         *
         * @throws IOException If the connection cannot be established
         */
        @Override
        public synchronized void connect() throws IOException {
            if (connected) {
                return;
            }
            final String endpoint = System.getenv().get("S3_ENDPOINT");
            final String accessKey = System.getenv().get("S3_ACCESS_KEY");

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

/**
 * Interface for SMB Tree Connect response messages.
 * Handles the server's response to a tree connect request, providing tree ID,
 * service type, and DFS information for the connected share.
 *
 * @author mbechler
 */
public interface TreeConnectResponse extends CommonServerMessageBlockResponse {

    /**

import jcifs.internal.smb1.AndXServerMessageBlock;
import jcifs.internal.smb1.ServerMessageBlock;

/**
 * SMB1 Tree Connect AndX response implementation.
 * Handles server responses to tree connect requests in SMB1 protocol, providing
 * information about the connected share including service type and DFS capabilities.
 *
 * @author mbechler
 */

import jcifs.internal.smb2.ServerMessageBlock2;
import jcifs.internal.smb2.ServerMessageBlock2Response;
import jcifs.internal.util.SMBUtil;

/**
 * SMB2 Tree Connect response message.
 *
 * This response contains information about the connected
 * tree, including share type and capabilities.
 *
 * @author mbechler
 */
public class Smb2TreeConnectResponse extends ServerMessageBlock2Response implements TreeConnectResponse {

        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);

 */

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;

    /**
     * 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
     */

        // 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)