if (currentState == State.OPEN && shouldAttemptReset()) {
                log.debug("[{}] Attempting to reset circuit breaker from OPEN to HALF_OPEN", name);
                transitionTo(State.HALF_OPEN);
                currentState = State.HALF_OPEN;
            }

            // Block if circuit is open
            if (currentState == State.OPEN) {
                totalRequests.incrementAndGet();

    } else {
      eventsForMatching.forEach loop@{
        when (e.closes(it)) {
          null -> return // no open event
          true -> return // found open event
          false -> return@loop // this is not the open event so continue
        }
      }
      fail<Any>("event $e without matching start event")
    }
  }

     */

    static final int FILE_SUPERSEDE = 0x0;

    /* Open the file or fail if it does not exist
     * aka OPEN_EXISTING
     */

    static final int FILE_OPEN = 0x1;

    /* Create the file or fail if it does not exist
     * aka CREATE_NEW
     */

    static final int FILE_CREATE = 0x2;

    /* Open the file or create it if it does not exist
     * aka OPEN_ALWAYS
     */

     */
    int TYPE_COMM = 0x40;

    /* open flags */

    /**
     * Open for reading only.
     */
    int O_RDONLY = 0x01;
    /**
     * Open for writing only.
     */
    int O_WRONLY = 0x02;
    /**
     * Open for reading and writing.
     */
    int O_RDWR = 0x03;
    /**
     * Open in append mode.
     */
    int O_APPEND = 0x04;

   * events.
   */
  open fun onOpen(
    eventSource: EventSource,
    response: Response,
  ) {
  }

  open fun onEvent(
    eventSource: EventSource,
    id: String?,
    type: String?,
    data: String,
  ) {
  }

  /**
   * No further calls to this listener will be made.
   */
  open fun onClosed(eventSource: EventSource) {
  }

  /**

import jcifs.internal.smb1.ServerMessageBlock;
import jcifs.internal.util.SMBUtil;
import jcifs.util.Hexdump;

/**
 * SMB1 Open AndX request message.
 *
 * This command is used to open or create a file for access over
 * the network with enhanced capabilities compared to the basic Open command.
 */
public class SmbComOpenAndX extends AndXServerMessageBlock {

    // flags (not the same as flags constructor argument)

    }

    @Test
    void close_shouldCloseHandleSuccessfully() throws IOException {
        // Arrange
        int access = 0x01;
        // Simulate successful open
        doAnswer(invocation -> {
            MsrpcSamrOpenDomain rpc = invocation.getArgument(0);
            rpc.retval = 0;
            return null;

      for (int aHigh = 0; aHigh < 6; aHigh++) {
        for (BoundType aLowType : BoundType.values()) {
          for (BoundType aHighType : BoundType.values()) {
            if ((aLow == aHigh && aLowType == OPEN && aHighType == OPEN) || aLow > aHigh) {
              continue;
            }
            for (int bLow = 0; bLow < 6; bLow++) {
              for (int bHigh = 0; bHigh < 6; bHigh++) {

    }
  }

  /**
   * Returns true if this stream is open. A stream is open until either:
   *
   *  * A `SYN_RESET` frame abnormally terminates the stream.
   *  * Both input and output streams have transmitted all data and headers.
   *
   * Note that the input stream may continue to yield data even after a stream reports itself as
   * not open. This is because input data is buffered.
   */
  val isOpen: Boolean

  fun enqueueCancel() {
    cancel = true
  }

  override fun onOpen(
    eventSource: EventSource,
    response: Response,
  ) {
    get().log("[ES] onOpen", Platform.INFO, null)
    events.add(Open(eventSource, response))
    drainCancelQueue(eventSource)
  }

  override fun onEvent(
    eventSource: EventSource,
    id: String?,
    type: String?,
    data: String,
  ) {