}
    
    public WitnessRegisterResponse register(WitnessRegisterRequest request) throws IOException {
        try {
            WitnessRegisterStub stub = new WitnessRegisterStub(request);
            handle.sendrecv(stub);
            return stub.getResponse();
        } catch (Exception e) {
            throw new IOException("Witness register RPC failed", e);
        }
    }
    

     * @param timeout the maximum time to wait for the response in milliseconds
     * @throws IOException if an I/O error occurs during communication
     */
    public synchronized void sendrecv(final Request request, final Response response, long timeout) throws IOException {
        makeKey(request);
        response.isReceived = false;
        try {
            response_map.put(request, response);

pkg go/types, const RecvOnly ChanDir
pkg go/types, const Rune = 5
pkg go/types, const Rune BasicKind
pkg go/types, const SendOnly = 1
pkg go/types, const SendOnly ChanDir
pkg go/types, const SendRecv = 0
pkg go/types, const SendRecv ChanDir
pkg go/types, const String = 17
pkg go/types, const String BasicKind
pkg go/types, const Uint = 7
pkg go/types, const Uint BasicKind
pkg go/types, const Uint16 = 9

		w.writeType(buf, typ.Elem())

	case *types.Chan:
		var s string
		switch typ.Dir() {
		case types.SendOnly:
			s = "chan<- "
		case types.RecvOnly:
			s = "<-chan "
		case types.SendRecv:
			s = "chan "
		default:
			panic("unreachable")
		}
		buf.WriteString(s)
		w.writeType(buf, typ.Elem())

	case *types.Alias:
		w.writeType(buf, types.Unalias(typ))

	case *types.Named:

        DcerpcHandle handle = DcerpcHandle.getHandle("ncacn_np:" + getAddress().getHostAddress() + "[\\PIPE\\netdfs]", auth);
        try {
            rpc = new MsrpcDfsRootEnum(getServer());
            handle.sendrecv(rpc);
            if (rpc.retval != 0) {
                throw new SmbException(rpc.retval, true);
            }
            return rpc.getEntries();
        } finally {
            try {

                server = server + ":" + this.fileLocator.getPort();
            }
            try (DcerpcHandle handle = DcerpcHandle.getHandle("ncacn_np:" + server + "[\\PIPE\\srvsvc]", getContext())) {
                handle.sendrecv(rpc);
                if (rpc.retval != 0) {
                    throw new SmbException(rpc.retval, true);
                }
                aces = rpc.getSecurity();
                if (aces != null) {

				}
				break reqLoop
			}
			// Grab a send token.
		sendReq:
			select {
			case <-m.ctx.Done():
				m.addErrorNonBlockingClose(errResp, context.Cause(m.ctx))
				errState = true
				continue
			case <-pingTimer:
				if !m.doPing(errResp) {
					errState = true
					continue
				}
				goto sendReq
			case <-m.outBlock:
			}
			msg := message{
				Op:      OpMuxClientMsg,

		}(t)
		start := time.Now()
		if st.Requests != nil {
			defer close(st.Requests)
		}
		// Fill up queue.
		for sendReq {
			select {
			case st.Requests <- []byte("Hello"):
				time.Sleep(10 * time.Millisecond)
			default:
				sendReq = false
			}
		}
		cancel()
		<-serverCanceled
		t.Log("server cancel time:", time.Since(start))
		clientEnd := <-clientCanceled