fdomain_fuchsia_device_fs/

fdomain_fuchsia_device_fs.rs

// WARNING: This file is machine generated by fidlgen.

#![warn(clippy::all)]
#![allow(unused_parens, unused_mut, unused_imports, nonstandard_style)]

use bitflags::bitflags;
use fdomain_client::fidl::{ControlHandle as _, FDomainFlexibleIntoResult as _, Responder as _};
use fidl::encoding::{MessageBufFor, ProxyChannelBox, ResourceDialect};
pub use fidl_fuchsia_device_fs_common::*;
use futures::future::{self, MaybeDone, TryFutureExt};
use zx_status;

#[derive(Debug, Eq, Hash, Ord, PartialEq, PartialOrd)]
pub struct ConnectorConnectRequest {
    pub server: fdomain_client::Channel,
}

impl fidl::Standalone<fdomain_client::fidl::FDomainResourceDialect> for ConnectorConnectRequest {}

#[derive(Debug, Default, PartialEq)]
pub struct DevfsAddArgs {
    /// This is the connector to be installed in devfs.
    /// `Connect()` will be called when a client connects to this node in the filesystem.
    /// Optional: If this is not provided then an empty node will appear in devfs.
    pub connector: Option<fdomain_client::fidl::ClientEnd<ConnectorMarker>>,
    /// This is the class name for installing this node in devfs.
    /// The node will be placed within /dev/class/{class_name}.
    /// If `class_name` does not exist under /dev/class/ it will be created.
    /// Optional: If this is not provided then the node will only be added via topological path.
    pub class_name: Option<String>,
    /// This is a vmo of inspect data that will be installed in devfs.
    /// Optional: If this is not provided then the devfs's inspect data will be empty.
    pub inspect: Option<fdomain_client::Vmo>,
    /// The connection types that are supported by the |connector| given.
    /// The driver framework should handle connection types that are not supported by the
    /// connector.
    /// If not provided, only the device type is assumed as supported by the connector.
    pub connector_supports: Option<ConnectionType>,
    /// This is the controller connector to be installed in devfs.
    /// `Connect()` will be called when a client connects to the device_controller connection
    /// for this node in the filesystem.
    /// Optional: If this is not provided then the Node will handle the connection natively.
    /// This option should only be used by the compat shim or in tests
    pub controller_connector: Option<fdomain_client::fidl::ClientEnd<ConnectorMarker>>,
    #[doc(hidden)]
    pub __source_breaking: fidl::marker::SourceBreaking,
}

impl fidl::Standalone<fdomain_client::fidl::FDomainResourceDialect> for DevfsAddArgs {}

#[derive(Debug, Copy, Clone, Eq, PartialEq, Ord, PartialOrd, Hash)]
pub struct ConnectorMarker;

impl fdomain_client::fidl::ProtocolMarker for ConnectorMarker {
    type Proxy = ConnectorProxy;
    type RequestStream = ConnectorRequestStream;

    const DEBUG_NAME: &'static str = "(anonymous) Connector";
}

pub trait ConnectorProxyInterface: Send + Sync {
    fn r#connect(&self, server: fdomain_client::Channel) -> Result<(), fidl::Error>;
}

#[derive(Debug, Clone)]
pub struct ConnectorProxy {
    client: fidl::client::Client<fdomain_client::fidl::FDomainResourceDialect>,
}

impl fdomain_client::fidl::Proxy for ConnectorProxy {
    type Protocol = ConnectorMarker;

    fn from_channel(inner: fdomain_client::Channel) -> Self {
        Self::new(inner)
    }

    fn into_channel(self) -> Result<fdomain_client::Channel, Self> {
        self.client.into_channel().map_err(|client| Self { client })
    }

    fn as_channel(&self) -> &fdomain_client::Channel {
        self.client.as_channel()
    }
}

impl ConnectorProxy {
    /// Create a new Proxy for fuchsia.device.fs/Connector.
    pub fn new(channel: fdomain_client::Channel) -> Self {
        let protocol_name = <ConnectorMarker as fdomain_client::fidl::ProtocolMarker>::DEBUG_NAME;
        Self { client: fidl::client::Client::new(channel, protocol_name) }
    }

    /// Get a Stream of events from the remote end of the protocol.
    ///
    /// # Panics
    ///
    /// Panics if the event stream was already taken.
    pub fn take_event_stream(&self) -> ConnectorEventStream {
        ConnectorEventStream { event_receiver: self.client.take_event_receiver() }
    }

    /// Forward a server end of a protocol so that it can be connected.
    /// + request `server` the server end of the protocol to be served. The FIDL protocol that
    ///     this speaks is determined out-of-band.
    /// - response This function has no response. The function is one-way to match the pipelining
    ///     behaviors of other virtual filesystems.
    pub fn r#connect(&self, mut server: fdomain_client::Channel) -> Result<(), fidl::Error> {
        ConnectorProxyInterface::r#connect(self, server)
    }
}

impl ConnectorProxyInterface for ConnectorProxy {
    fn r#connect(&self, mut server: fdomain_client::Channel) -> Result<(), fidl::Error> {
        self.client.send::<ConnectorConnectRequest>(
            (server,),
            0x2bfd50a6209194f9,
            fidl::encoding::DynamicFlags::empty(),
        )
    }
}

pub struct ConnectorEventStream {
    event_receiver: fidl::client::EventReceiver<fdomain_client::fidl::FDomainResourceDialect>,
}

impl std::marker::Unpin for ConnectorEventStream {}

impl futures::stream::FusedStream for ConnectorEventStream {
    fn is_terminated(&self) -> bool {
        self.event_receiver.is_terminated()
    }
}

impl futures::Stream for ConnectorEventStream {
    type Item = Result<ConnectorEvent, fidl::Error>;

    fn poll_next(
        mut self: std::pin::Pin<&mut Self>,
        cx: &mut std::task::Context<'_>,
    ) -> std::task::Poll<Option<Self::Item>> {
        match futures::ready!(futures::stream::StreamExt::poll_next_unpin(
            &mut self.event_receiver,
            cx
        )?) {
            Some(buf) => std::task::Poll::Ready(Some(ConnectorEvent::decode(buf))),
            None => std::task::Poll::Ready(None),
        }
    }
}

#[derive(Debug)]
pub enum ConnectorEvent {}

impl ConnectorEvent {
    /// Decodes a message buffer as a [`ConnectorEvent`].
    fn decode(
        mut buf: <fdomain_client::fidl::FDomainResourceDialect as fidl::encoding::ResourceDialect>::MessageBufEtc,
    ) -> Result<ConnectorEvent, fidl::Error> {
        let (bytes, _handles) = buf.split_mut();
        let (tx_header, _body_bytes) = fidl::encoding::decode_transaction_header(bytes)?;
        debug_assert_eq!(tx_header.tx_id, 0);
        match tx_header.ordinal {
            _ => Err(fidl::Error::UnknownOrdinal {
                ordinal: tx_header.ordinal,
                protocol_name:
                    <ConnectorMarker as fdomain_client::fidl::ProtocolMarker>::DEBUG_NAME,
            }),
        }
    }
}

/// A Stream of incoming requests for fuchsia.device.fs/Connector.
pub struct ConnectorRequestStream {
    inner: std::sync::Arc<fidl::ServeInner<fdomain_client::fidl::FDomainResourceDialect>>,
    is_terminated: bool,
}

impl std::marker::Unpin for ConnectorRequestStream {}

impl futures::stream::FusedStream for ConnectorRequestStream {
    fn is_terminated(&self) -> bool {
        self.is_terminated
    }
}

impl fdomain_client::fidl::RequestStream for ConnectorRequestStream {
    type Protocol = ConnectorMarker;
    type ControlHandle = ConnectorControlHandle;

    fn from_channel(channel: fdomain_client::Channel) -> Self {
        Self { inner: std::sync::Arc::new(fidl::ServeInner::new(channel)), is_terminated: false }
    }

    fn control_handle(&self) -> Self::ControlHandle {
        ConnectorControlHandle { inner: self.inner.clone() }
    }

    fn into_inner(
        self,
    ) -> (::std::sync::Arc<fidl::ServeInner<fdomain_client::fidl::FDomainResourceDialect>>, bool)
    {
        (self.inner, self.is_terminated)
    }

    fn from_inner(
        inner: std::sync::Arc<fidl::ServeInner<fdomain_client::fidl::FDomainResourceDialect>>,
        is_terminated: bool,
    ) -> Self {
        Self { inner, is_terminated }
    }
}

impl futures::Stream for ConnectorRequestStream {
    type Item = Result<ConnectorRequest, fidl::Error>;

    fn poll_next(
        mut self: std::pin::Pin<&mut Self>,
        cx: &mut std::task::Context<'_>,
    ) -> std::task::Poll<Option<Self::Item>> {
        let this = &mut *self;
        if this.inner.check_shutdown(cx) {
            this.is_terminated = true;
            return std::task::Poll::Ready(None);
        }
        if this.is_terminated {
            panic!("polled ConnectorRequestStream after completion");
        }
        fidl::encoding::with_tls_decode_buf::<_, fdomain_client::fidl::FDomainResourceDialect>(
            |bytes, handles| {
                match this.inner.channel().read_etc(cx, bytes, handles) {
                    std::task::Poll::Ready(Ok(())) => {}
                    std::task::Poll::Pending => return std::task::Poll::Pending,
                    std::task::Poll::Ready(Err(None)) => {
                        this.is_terminated = true;
                        return std::task::Poll::Ready(None);
                    }
                    std::task::Poll::Ready(Err(Some(e))) => {
                        return std::task::Poll::Ready(Some(Err(fidl::Error::ServerRequestRead(
                            e.into(),
                        ))));
                    }
                }

                // A message has been received from the channel
                let (header, _body_bytes) = fidl::encoding::decode_transaction_header(bytes)?;

                std::task::Poll::Ready(Some(match header.ordinal {
                    0x2bfd50a6209194f9 => {
                        header.validate_request_tx_id(fidl::MethodType::OneWay)?;
                        let mut req = fidl::new_empty!(
                            ConnectorConnectRequest,
                            fdomain_client::fidl::FDomainResourceDialect
                        );
                        fidl::encoding::Decoder::<fdomain_client::fidl::FDomainResourceDialect>::decode_into::<ConnectorConnectRequest>(&header, _body_bytes, handles, &mut req)?;
                        let control_handle = ConnectorControlHandle { inner: this.inner.clone() };
                        Ok(ConnectorRequest::Connect { server: req.server, control_handle })
                    }
                    _ => Err(fidl::Error::UnknownOrdinal {
                        ordinal: header.ordinal,
                        protocol_name:
                            <ConnectorMarker as fdomain_client::fidl::ProtocolMarker>::DEBUG_NAME,
                    }),
                }))
            },
        )
    }
}

/// A connector lets a client forward the server end of a protocol.
#[derive(Debug)]
pub enum ConnectorRequest {
    /// Forward a server end of a protocol so that it can be connected.
    /// + request `server` the server end of the protocol to be served. The FIDL protocol that
    ///     this speaks is determined out-of-band.
    /// - response This function has no response. The function is one-way to match the pipelining
    ///     behaviors of other virtual filesystems.
    Connect { server: fdomain_client::Channel, control_handle: ConnectorControlHandle },
}

impl ConnectorRequest {
    #[allow(irrefutable_let_patterns)]
    pub fn into_connect(self) -> Option<(fdomain_client::Channel, ConnectorControlHandle)> {
        if let ConnectorRequest::Connect { server, control_handle } = self {
            Some((server, control_handle))
        } else {
            None
        }
    }

    /// Name of the method defined in FIDL
    pub fn method_name(&self) -> &'static str {
        match *self {
            ConnectorRequest::Connect { .. } => "connect",
        }
    }
}

#[derive(Debug, Clone)]
pub struct ConnectorControlHandle {
    inner: std::sync::Arc<fidl::ServeInner<fdomain_client::fidl::FDomainResourceDialect>>,
}

impl fdomain_client::fidl::ControlHandle for ConnectorControlHandle {
    fn shutdown(&self) {
        self.inner.shutdown()
    }

    fn shutdown_with_epitaph(&self, status: zx_status::Status) {
        self.inner.shutdown_with_epitaph(status)
    }

    fn is_closed(&self) -> bool {
        self.inner.channel().is_closed()
    }
    fn on_closed(&self) -> fdomain_client::OnFDomainSignals {
        self.inner.channel().on_closed()
    }
}

impl ConnectorControlHandle {}

#[derive(Debug, Copy, Clone, Eq, PartialEq, Ord, PartialOrd, Hash)]
pub struct TopologicalPathMarker;

impl fdomain_client::fidl::ProtocolMarker for TopologicalPathMarker {
    type Proxy = TopologicalPathProxy;
    type RequestStream = TopologicalPathRequestStream;

    const DEBUG_NAME: &'static str = "(anonymous) TopologicalPath";
}
pub type TopologicalPathGetTopologicalPathResult = Result<String, i32>;

pub trait TopologicalPathProxyInterface: Send + Sync {
    type GetTopologicalPathResponseFut: std::future::Future<Output = Result<TopologicalPathGetTopologicalPathResult, fidl::Error>>
        + Send;
    fn r#get_topological_path(&self) -> Self::GetTopologicalPathResponseFut;
}

#[derive(Debug, Clone)]
pub struct TopologicalPathProxy {
    client: fidl::client::Client<fdomain_client::fidl::FDomainResourceDialect>,
}

impl fdomain_client::fidl::Proxy for TopologicalPathProxy {
    type Protocol = TopologicalPathMarker;

    fn from_channel(inner: fdomain_client::Channel) -> Self {
        Self::new(inner)
    }

    fn into_channel(self) -> Result<fdomain_client::Channel, Self> {
        self.client.into_channel().map_err(|client| Self { client })
    }

    fn as_channel(&self) -> &fdomain_client::Channel {
        self.client.as_channel()
    }
}

impl TopologicalPathProxy {
    /// Create a new Proxy for fuchsia.device.fs/TopologicalPath.
    pub fn new(channel: fdomain_client::Channel) -> Self {
        let protocol_name =
            <TopologicalPathMarker as fdomain_client::fidl::ProtocolMarker>::DEBUG_NAME;
        Self { client: fidl::client::Client::new(channel, protocol_name) }
    }

    /// Get a Stream of events from the remote end of the protocol.
    ///
    /// # Panics
    ///
    /// Panics if the event stream was already taken.
    pub fn take_event_stream(&self) -> TopologicalPathEventStream {
        TopologicalPathEventStream { event_receiver: self.client.take_event_receiver() }
    }

    /// Return the topological path for this device
    pub fn r#get_topological_path(
        &self,
    ) -> fidl::client::QueryResponseFut<
        TopologicalPathGetTopologicalPathResult,
        fdomain_client::fidl::FDomainResourceDialect,
    > {
        TopologicalPathProxyInterface::r#get_topological_path(self)
    }
}

impl TopologicalPathProxyInterface for TopologicalPathProxy {
    type GetTopologicalPathResponseFut = fidl::client::QueryResponseFut<
        TopologicalPathGetTopologicalPathResult,
        fdomain_client::fidl::FDomainResourceDialect,
    >;
    fn r#get_topological_path(&self) -> Self::GetTopologicalPathResponseFut {
        fn _decode(
            mut _buf: Result<<fdomain_client::fidl::FDomainResourceDialect as fidl::encoding::ResourceDialect>::MessageBufEtc, fidl::Error>,
        ) -> Result<TopologicalPathGetTopologicalPathResult, fidl::Error> {
            let _response = fidl::client::decode_transaction_body::<
                fidl::encoding::ResultType<TopologicalPathGetTopologicalPathResponse, i32>,
                fdomain_client::fidl::FDomainResourceDialect,
                0x56f6105571a973d8,
            >(_buf?)?;
            Ok(_response.map(|x| x.path))
        }
        self.client.send_query_and_decode::<
            fidl::encoding::EmptyPayload,
            TopologicalPathGetTopologicalPathResult,
        >(
            (),
            0x56f6105571a973d8,
            fidl::encoding::DynamicFlags::empty(),
            _decode,
        )
    }
}

pub struct TopologicalPathEventStream {
    event_receiver: fidl::client::EventReceiver<fdomain_client::fidl::FDomainResourceDialect>,
}

impl std::marker::Unpin for TopologicalPathEventStream {}

impl futures::stream::FusedStream for TopologicalPathEventStream {
    fn is_terminated(&self) -> bool {
        self.event_receiver.is_terminated()
    }
}

impl futures::Stream for TopologicalPathEventStream {
    type Item = Result<TopologicalPathEvent, fidl::Error>;

    fn poll_next(
        mut self: std::pin::Pin<&mut Self>,
        cx: &mut std::task::Context<'_>,
    ) -> std::task::Poll<Option<Self::Item>> {
        match futures::ready!(futures::stream::StreamExt::poll_next_unpin(
            &mut self.event_receiver,
            cx
        )?) {
            Some(buf) => std::task::Poll::Ready(Some(TopologicalPathEvent::decode(buf))),
            None => std::task::Poll::Ready(None),
        }
    }
}

#[derive(Debug)]
pub enum TopologicalPathEvent {}

impl TopologicalPathEvent {
    /// Decodes a message buffer as a [`TopologicalPathEvent`].
    fn decode(
        mut buf: <fdomain_client::fidl::FDomainResourceDialect as fidl::encoding::ResourceDialect>::MessageBufEtc,
    ) -> Result<TopologicalPathEvent, fidl::Error> {
        let (bytes, _handles) = buf.split_mut();
        let (tx_header, _body_bytes) = fidl::encoding::decode_transaction_header(bytes)?;
        debug_assert_eq!(tx_header.tx_id, 0);
        match tx_header.ordinal {
            _ => Err(fidl::Error::UnknownOrdinal {
                ordinal: tx_header.ordinal,
                protocol_name:
                    <TopologicalPathMarker as fdomain_client::fidl::ProtocolMarker>::DEBUG_NAME,
            }),
        }
    }
}

/// A Stream of incoming requests for fuchsia.device.fs/TopologicalPath.
pub struct TopologicalPathRequestStream {
    inner: std::sync::Arc<fidl::ServeInner<fdomain_client::fidl::FDomainResourceDialect>>,
    is_terminated: bool,
}

impl std::marker::Unpin for TopologicalPathRequestStream {}

impl futures::stream::FusedStream for TopologicalPathRequestStream {
    fn is_terminated(&self) -> bool {
        self.is_terminated
    }
}

impl fdomain_client::fidl::RequestStream for TopologicalPathRequestStream {
    type Protocol = TopologicalPathMarker;
    type ControlHandle = TopologicalPathControlHandle;

    fn from_channel(channel: fdomain_client::Channel) -> Self {
        Self { inner: std::sync::Arc::new(fidl::ServeInner::new(channel)), is_terminated: false }
    }

    fn control_handle(&self) -> Self::ControlHandle {
        TopologicalPathControlHandle { inner: self.inner.clone() }
    }

    fn into_inner(
        self,
    ) -> (::std::sync::Arc<fidl::ServeInner<fdomain_client::fidl::FDomainResourceDialect>>, bool)
    {
        (self.inner, self.is_terminated)
    }

    fn from_inner(
        inner: std::sync::Arc<fidl::ServeInner<fdomain_client::fidl::FDomainResourceDialect>>,
        is_terminated: bool,
    ) -> Self {
        Self { inner, is_terminated }
    }
}

impl futures::Stream for TopologicalPathRequestStream {
    type Item = Result<TopologicalPathRequest, fidl::Error>;

    fn poll_next(
        mut self: std::pin::Pin<&mut Self>,
        cx: &mut std::task::Context<'_>,
    ) -> std::task::Poll<Option<Self::Item>> {
        let this = &mut *self;
        if this.inner.check_shutdown(cx) {
            this.is_terminated = true;
            return std::task::Poll::Ready(None);
        }
        if this.is_terminated {
            panic!("polled TopologicalPathRequestStream after completion");
        }
        fidl::encoding::with_tls_decode_buf::<_, fdomain_client::fidl::FDomainResourceDialect>(
            |bytes, handles| {
                match this.inner.channel().read_etc(cx, bytes, handles) {
                    std::task::Poll::Ready(Ok(())) => {}
                    std::task::Poll::Pending => return std::task::Poll::Pending,
                    std::task::Poll::Ready(Err(None)) => {
                        this.is_terminated = true;
                        return std::task::Poll::Ready(None);
                    }
                    std::task::Poll::Ready(Err(Some(e))) => {
                        return std::task::Poll::Ready(Some(Err(fidl::Error::ServerRequestRead(
                            e.into(),
                        ))));
                    }
                }

                // A message has been received from the channel
                let (header, _body_bytes) = fidl::encoding::decode_transaction_header(bytes)?;

                std::task::Poll::Ready(Some(match header.ordinal {
                0x56f6105571a973d8 => {
                    header.validate_request_tx_id(fidl::MethodType::TwoWay)?;
                    let mut req = fidl::new_empty!(fidl::encoding::EmptyPayload, fdomain_client::fidl::FDomainResourceDialect);
                    fidl::encoding::Decoder::<fdomain_client::fidl::FDomainResourceDialect>::decode_into::<fidl::encoding::EmptyPayload>(&header, _body_bytes, handles, &mut req)?;
                    let control_handle = TopologicalPathControlHandle {
                        inner: this.inner.clone(),
                    };
                    Ok(TopologicalPathRequest::GetTopologicalPath {
                        responder: TopologicalPathGetTopologicalPathResponder {
                            control_handle: std::mem::ManuallyDrop::new(control_handle),
                            tx_id: header.tx_id,
                        },
                    })
                }
                _ => Err(fidl::Error::UnknownOrdinal {
                    ordinal: header.ordinal,
                    protocol_name: <TopologicalPathMarker as fdomain_client::fidl::ProtocolMarker>::DEBUG_NAME,
                }),
            }))
            },
        )
    }
}

#[derive(Debug)]
pub enum TopologicalPathRequest {
    /// Return the topological path for this device
    GetTopologicalPath { responder: TopologicalPathGetTopologicalPathResponder },
}

impl TopologicalPathRequest {
    #[allow(irrefutable_let_patterns)]
    pub fn into_get_topological_path(self) -> Option<(TopologicalPathGetTopologicalPathResponder)> {
        if let TopologicalPathRequest::GetTopologicalPath { responder } = self {
            Some((responder))
        } else {
            None
        }
    }

    /// Name of the method defined in FIDL
    pub fn method_name(&self) -> &'static str {
        match *self {
            TopologicalPathRequest::GetTopologicalPath { .. } => "get_topological_path",
        }
    }
}

#[derive(Debug, Clone)]
pub struct TopologicalPathControlHandle {
    inner: std::sync::Arc<fidl::ServeInner<fdomain_client::fidl::FDomainResourceDialect>>,
}

impl fdomain_client::fidl::ControlHandle for TopologicalPathControlHandle {
    fn shutdown(&self) {
        self.inner.shutdown()
    }

    fn shutdown_with_epitaph(&self, status: zx_status::Status) {
        self.inner.shutdown_with_epitaph(status)
    }

    fn is_closed(&self) -> bool {
        self.inner.channel().is_closed()
    }
    fn on_closed(&self) -> fdomain_client::OnFDomainSignals {
        self.inner.channel().on_closed()
    }
}

impl TopologicalPathControlHandle {}

#[must_use = "FIDL methods require a response to be sent"]
#[derive(Debug)]
pub struct TopologicalPathGetTopologicalPathResponder {
    control_handle: std::mem::ManuallyDrop<TopologicalPathControlHandle>,
    tx_id: u32,
}

/// Set the the channel to be shutdown (see [`TopologicalPathControlHandle::shutdown`])
/// if the responder is dropped without sending a response, so that the client
/// doesn't hang. To prevent this behavior, call `drop_without_shutdown`.
impl std::ops::Drop for TopologicalPathGetTopologicalPathResponder {
    fn drop(&mut self) {
        self.control_handle.shutdown();
        // Safety: drops once, never accessed again
        unsafe { std::mem::ManuallyDrop::drop(&mut self.control_handle) };
    }
}

impl fdomain_client::fidl::Responder for TopologicalPathGetTopologicalPathResponder {
    type ControlHandle = TopologicalPathControlHandle;

    fn control_handle(&self) -> &TopologicalPathControlHandle {
        &self.control_handle
    }

    fn drop_without_shutdown(mut self) {
        // Safety: drops once, never accessed again due to mem::forget
        unsafe { std::mem::ManuallyDrop::drop(&mut self.control_handle) };
        // Prevent Drop from running (which would shut down the channel)
        std::mem::forget(self);
    }
}

impl TopologicalPathGetTopologicalPathResponder {
    /// Sends a response to the FIDL transaction.
    ///
    /// Sets the channel to shutdown if an error occurs.
    pub fn send(self, mut result: Result<&str, i32>) -> Result<(), fidl::Error> {
        let _result = self.send_raw(result);
        if _result.is_err() {
            self.control_handle.shutdown();
        }
        self.drop_without_shutdown();
        _result
    }

    /// Similar to "send" but does not shutdown the channel if an error occurs.
    pub fn send_no_shutdown_on_err(self, mut result: Result<&str, i32>) -> Result<(), fidl::Error> {
        let _result = self.send_raw(result);
        self.drop_without_shutdown();
        _result
    }

    fn send_raw(&self, mut result: Result<&str, i32>) -> Result<(), fidl::Error> {
        self.control_handle.inner.send::<fidl::encoding::ResultType<
            TopologicalPathGetTopologicalPathResponse,
            i32,
        >>(
            result.map(|path| (path,)),
            self.tx_id,
            0x56f6105571a973d8,
            fidl::encoding::DynamicFlags::empty(),
        )
    }
}

mod internal {
    use super::*;

    impl fidl::encoding::ResourceTypeMarker for ConnectorConnectRequest {
        type Borrowed<'a> = &'a mut Self;
        fn take_or_borrow<'a>(
            value: &'a mut <Self as fidl::encoding::TypeMarker>::Owned,
        ) -> Self::Borrowed<'a> {
            value
        }
    }

    unsafe impl fidl::encoding::TypeMarker for ConnectorConnectRequest {
        type Owned = Self;

        #[inline(always)]
        fn inline_align(_context: fidl::encoding::Context) -> usize {
            4
        }

        #[inline(always)]
        fn inline_size(_context: fidl::encoding::Context) -> usize {
            4
        }
    }

    unsafe impl
        fidl::encoding::Encode<
            ConnectorConnectRequest,
            fdomain_client::fidl::FDomainResourceDialect,
        > for &mut ConnectorConnectRequest
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_, fdomain_client::fidl::FDomainResourceDialect>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<ConnectorConnectRequest>(offset);
            // Delegate to tuple encoding.
            fidl::encoding::Encode::<
                ConnectorConnectRequest,
                fdomain_client::fidl::FDomainResourceDialect,
            >::encode(
                (<fidl::encoding::HandleType<
                    fdomain_client::Channel,
                    { fidl::ObjectType::CHANNEL.into_raw() },
                    2147483648,
                > as fidl::encoding::ResourceTypeMarker>::take_or_borrow(
                    &mut self.server
                ),),
                encoder,
                offset,
                _depth,
            )
        }
    }
    unsafe impl<
        T0: fidl::encoding::Encode<
                fidl::encoding::HandleType<
                    fdomain_client::Channel,
                    { fidl::ObjectType::CHANNEL.into_raw() },
                    2147483648,
                >,
                fdomain_client::fidl::FDomainResourceDialect,
            >,
    >
        fidl::encoding::Encode<
            ConnectorConnectRequest,
            fdomain_client::fidl::FDomainResourceDialect,
        > for (T0,)
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_, fdomain_client::fidl::FDomainResourceDialect>,
            offset: usize,
            depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<ConnectorConnectRequest>(offset);
            // Zero out padding regions. There's no need to apply masks
            // because the unmasked parts will be overwritten by fields.
            // Write the fields.
            self.0.encode(encoder, offset + 0, depth)?;
            Ok(())
        }
    }

    impl fidl::encoding::Decode<Self, fdomain_client::fidl::FDomainResourceDialect>
        for ConnectorConnectRequest
    {
        #[inline(always)]
        fn new_empty() -> Self {
            Self {
                server: fidl::new_empty!(fidl::encoding::HandleType<fdomain_client::Channel, { fidl::ObjectType::CHANNEL.into_raw() }, 2147483648>, fdomain_client::fidl::FDomainResourceDialect),
            }
        }

        #[inline]
        unsafe fn decode(
            &mut self,
            decoder: &mut fidl::encoding::Decoder<'_, fdomain_client::fidl::FDomainResourceDialect>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            decoder.debug_check_bounds::<Self>(offset);
            // Verify that padding bytes are zero.
            fidl::decode!(fidl::encoding::HandleType<fdomain_client::Channel, { fidl::ObjectType::CHANNEL.into_raw() }, 2147483648>, fdomain_client::fidl::FDomainResourceDialect, &mut self.server, decoder, offset + 0, _depth)?;
            Ok(())
        }
    }

    impl DevfsAddArgs {
        #[inline(always)]
        fn max_ordinal_present(&self) -> u64 {
            if let Some(_) = self.controller_connector {
                return 5;
            }
            if let Some(_) = self.connector_supports {
                return 4;
            }
            if let Some(_) = self.inspect {
                return 3;
            }
            if let Some(_) = self.class_name {
                return 2;
            }
            if let Some(_) = self.connector {
                return 1;
            }
            0
        }
    }

    impl fidl::encoding::ResourceTypeMarker for DevfsAddArgs {
        type Borrowed<'a> = &'a mut Self;
        fn take_or_borrow<'a>(
            value: &'a mut <Self as fidl::encoding::TypeMarker>::Owned,
        ) -> Self::Borrowed<'a> {
            value
        }
    }

    unsafe impl fidl::encoding::TypeMarker for DevfsAddArgs {
        type Owned = Self;

        #[inline(always)]
        fn inline_align(_context: fidl::encoding::Context) -> usize {
            8
        }

        #[inline(always)]
        fn inline_size(_context: fidl::encoding::Context) -> usize {
            16
        }
    }

    unsafe impl fidl::encoding::Encode<DevfsAddArgs, fdomain_client::fidl::FDomainResourceDialect>
        for &mut DevfsAddArgs
    {
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_, fdomain_client::fidl::FDomainResourceDialect>,
            offset: usize,
            mut depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<DevfsAddArgs>(offset);
            // Vector header
            let max_ordinal: u64 = self.max_ordinal_present();
            encoder.write_num(max_ordinal, offset);
            encoder.write_num(fidl::encoding::ALLOC_PRESENT_U64, offset + 8);
            // Calling encoder.out_of_line_offset(0) is not allowed.
            if max_ordinal == 0 {
                return Ok(());
            }
            depth.increment()?;
            let envelope_size = 8;
            let bytes_len = max_ordinal as usize * envelope_size;
            #[allow(unused_variables)]
            let offset = encoder.out_of_line_offset(bytes_len);
            let mut _prev_end_offset: usize = 0;
            if 1 > max_ordinal {
                return Ok(());
            }

            // Write at offset+(ordinal-1)*envelope_size, since ordinals are one-based and envelopes
            // are envelope_size bytes.
            let cur_offset: usize = (1 - 1) * envelope_size;

            // Zero reserved fields.
            encoder.padding(offset + _prev_end_offset, cur_offset - _prev_end_offset);

            // Safety:
            // - bytes_len is calculated to fit envelope_size*max(member.ordinal).
            // - Since cur_offset is envelope_size*(member.ordinal - 1) and the envelope takes
            //   envelope_size bytes, there is always sufficient room.
            fidl::encoding::encode_in_envelope_optional::<fidl::encoding::Endpoint<fdomain_client::fidl::ClientEnd<ConnectorMarker>>, fdomain_client::fidl::FDomainResourceDialect>(
            self.connector.as_mut().map(<fidl::encoding::Endpoint<fdomain_client::fidl::ClientEnd<ConnectorMarker>> as fidl::encoding::ResourceTypeMarker>::take_or_borrow),
            encoder, offset + cur_offset, depth
        )?;

            _prev_end_offset = cur_offset + envelope_size;
            if 2 > max_ordinal {
                return Ok(());
            }

            // Write at offset+(ordinal-1)*envelope_size, since ordinals are one-based and envelopes
            // are envelope_size bytes.
            let cur_offset: usize = (2 - 1) * envelope_size;

            // Zero reserved fields.
            encoder.padding(offset + _prev_end_offset, cur_offset - _prev_end_offset);

            // Safety:
            // - bytes_len is calculated to fit envelope_size*max(member.ordinal).
            // - Since cur_offset is envelope_size*(member.ordinal - 1) and the envelope takes
            //   envelope_size bytes, there is always sufficient room.
            fidl::encoding::encode_in_envelope_optional::<
                fidl::encoding::BoundedString<255>,
                fdomain_client::fidl::FDomainResourceDialect,
            >(
                self.class_name.as_ref().map(
                    <fidl::encoding::BoundedString<255> as fidl::encoding::ValueTypeMarker>::borrow,
                ),
                encoder,
                offset + cur_offset,
                depth,
            )?;

            _prev_end_offset = cur_offset + envelope_size;
            if 3 > max_ordinal {
                return Ok(());
            }

            // Write at offset+(ordinal-1)*envelope_size, since ordinals are one-based and envelopes
            // are envelope_size bytes.
            let cur_offset: usize = (3 - 1) * envelope_size;

            // Zero reserved fields.
            encoder.padding(offset + _prev_end_offset, cur_offset - _prev_end_offset);

            // Safety:
            // - bytes_len is calculated to fit envelope_size*max(member.ordinal).
            // - Since cur_offset is envelope_size*(member.ordinal - 1) and the envelope takes
            //   envelope_size bytes, there is always sufficient room.
            fidl::encoding::encode_in_envelope_optional::<
                fidl::encoding::HandleType<
                    fdomain_client::Vmo,
                    { fidl::ObjectType::VMO.into_raw() },
                    2147483648,
                >,
                fdomain_client::fidl::FDomainResourceDialect,
            >(
                self.inspect.as_mut().map(
                    <fidl::encoding::HandleType<
                        fdomain_client::Vmo,
                        { fidl::ObjectType::VMO.into_raw() },
                        2147483648,
                    > as fidl::encoding::ResourceTypeMarker>::take_or_borrow,
                ),
                encoder,
                offset + cur_offset,
                depth,
            )?;

            _prev_end_offset = cur_offset + envelope_size;
            if 4 > max_ordinal {
                return Ok(());
            }

            // Write at offset+(ordinal-1)*envelope_size, since ordinals are one-based and envelopes
            // are envelope_size bytes.
            let cur_offset: usize = (4 - 1) * envelope_size;

            // Zero reserved fields.
            encoder.padding(offset + _prev_end_offset, cur_offset - _prev_end_offset);

            // Safety:
            // - bytes_len is calculated to fit envelope_size*max(member.ordinal).
            // - Since cur_offset is envelope_size*(member.ordinal - 1) and the envelope takes
            //   envelope_size bytes, there is always sufficient room.
            fidl::encoding::encode_in_envelope_optional::<
                ConnectionType,
                fdomain_client::fidl::FDomainResourceDialect,
            >(
                self.connector_supports
                    .as_ref()
                    .map(<ConnectionType as fidl::encoding::ValueTypeMarker>::borrow),
                encoder,
                offset + cur_offset,
                depth,
            )?;

            _prev_end_offset = cur_offset + envelope_size;
            if 5 > max_ordinal {
                return Ok(());
            }

            // Write at offset+(ordinal-1)*envelope_size, since ordinals are one-based and envelopes
            // are envelope_size bytes.
            let cur_offset: usize = (5 - 1) * envelope_size;

            // Zero reserved fields.
            encoder.padding(offset + _prev_end_offset, cur_offset - _prev_end_offset);

            // Safety:
            // - bytes_len is calculated to fit envelope_size*max(member.ordinal).
            // - Since cur_offset is envelope_size*(member.ordinal - 1) and the envelope takes
            //   envelope_size bytes, there is always sufficient room.
            fidl::encoding::encode_in_envelope_optional::<fidl::encoding::Endpoint<fdomain_client::fidl::ClientEnd<ConnectorMarker>>, fdomain_client::fidl::FDomainResourceDialect>(
            self.controller_connector.as_mut().map(<fidl::encoding::Endpoint<fdomain_client::fidl::ClientEnd<ConnectorMarker>> as fidl::encoding::ResourceTypeMarker>::take_or_borrow),
            encoder, offset + cur_offset, depth
        )?;

            _prev_end_offset = cur_offset + envelope_size;

            Ok(())
        }
    }

    impl fidl::encoding::Decode<Self, fdomain_client::fidl::FDomainResourceDialect> for DevfsAddArgs {
        #[inline(always)]
        fn new_empty() -> Self {
            Self::default()
        }

        unsafe fn decode(
            &mut self,
            decoder: &mut fidl::encoding::Decoder<'_, fdomain_client::fidl::FDomainResourceDialect>,
            offset: usize,
            mut depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            decoder.debug_check_bounds::<Self>(offset);
            let len = match fidl::encoding::decode_vector_header(decoder, offset)? {
                None => return Err(fidl::Error::NotNullable),
                Some(len) => len,
            };
            // Calling decoder.out_of_line_offset(0) is not allowed.
            if len == 0 {
                return Ok(());
            };
            depth.increment()?;
            let envelope_size = 8;
            let bytes_len = len * envelope_size;
            let offset = decoder.out_of_line_offset(bytes_len)?;
            // Decode the envelope for each type.
            let mut _next_ordinal_to_read = 0;
            let mut next_offset = offset;
            let end_offset = offset + bytes_len;
            _next_ordinal_to_read += 1;
            if next_offset >= end_offset {
                return Ok(());
            }

            // Decode unknown envelopes for gaps in ordinals.
            while _next_ordinal_to_read < 1 {
                fidl::encoding::decode_unknown_envelope(decoder, next_offset, depth)?;
                _next_ordinal_to_read += 1;
                next_offset += envelope_size;
            }

            let next_out_of_line = decoder.next_out_of_line();
            let handles_before = decoder.remaining_handles();
            if let Some((inlined, num_bytes, num_handles)) =
                fidl::encoding::decode_envelope_header(decoder, next_offset)?
            {
                let member_inline_size = <fidl::encoding::Endpoint<
                    fdomain_client::fidl::ClientEnd<ConnectorMarker>,
                > as fidl::encoding::TypeMarker>::inline_size(
                    decoder.context
                );
                if inlined != (member_inline_size <= 4) {
                    return Err(fidl::Error::InvalidInlineBitInEnvelope);
                }
                let inner_offset;
                let mut inner_depth = depth.clone();
                if inlined {
                    decoder.check_inline_envelope_padding(next_offset, member_inline_size)?;
                    inner_offset = next_offset;
                } else {
                    inner_offset = decoder.out_of_line_offset(member_inline_size)?;
                    inner_depth.increment()?;
                }
                let val_ref = self.connector.get_or_insert_with(|| {
                    fidl::new_empty!(
                        fidl::encoding::Endpoint<fdomain_client::fidl::ClientEnd<ConnectorMarker>>,
                        fdomain_client::fidl::FDomainResourceDialect
                    )
                });
                fidl::decode!(
                    fidl::encoding::Endpoint<fdomain_client::fidl::ClientEnd<ConnectorMarker>>,
                    fdomain_client::fidl::FDomainResourceDialect,
                    val_ref,
                    decoder,
                    inner_offset,
                    inner_depth
                )?;
                if !inlined && decoder.next_out_of_line() != next_out_of_line + (num_bytes as usize)
                {
                    return Err(fidl::Error::InvalidNumBytesInEnvelope);
                }
                if handles_before != decoder.remaining_handles() + (num_handles as usize) {
                    return Err(fidl::Error::InvalidNumHandlesInEnvelope);
                }
            }

            next_offset += envelope_size;
            _next_ordinal_to_read += 1;
            if next_offset >= end_offset {
                return Ok(());
            }

            // Decode unknown envelopes for gaps in ordinals.
            while _next_ordinal_to_read < 2 {
                fidl::encoding::decode_unknown_envelope(decoder, next_offset, depth)?;
                _next_ordinal_to_read += 1;
                next_offset += envelope_size;
            }

            let next_out_of_line = decoder.next_out_of_line();
            let handles_before = decoder.remaining_handles();
            if let Some((inlined, num_bytes, num_handles)) =
                fidl::encoding::decode_envelope_header(decoder, next_offset)?
            {
                let member_inline_size =
                    <fidl::encoding::BoundedString<255> as fidl::encoding::TypeMarker>::inline_size(
                        decoder.context,
                    );
                if inlined != (member_inline_size <= 4) {
                    return Err(fidl::Error::InvalidInlineBitInEnvelope);
                }
                let inner_offset;
                let mut inner_depth = depth.clone();
                if inlined {
                    decoder.check_inline_envelope_padding(next_offset, member_inline_size)?;
                    inner_offset = next_offset;
                } else {
                    inner_offset = decoder.out_of_line_offset(member_inline_size)?;
                    inner_depth.increment()?;
                }
                let val_ref = self.class_name.get_or_insert_with(|| {
                    fidl::new_empty!(
                        fidl::encoding::BoundedString<255>,
                        fdomain_client::fidl::FDomainResourceDialect
                    )
                });
                fidl::decode!(
                    fidl::encoding::BoundedString<255>,
                    fdomain_client::fidl::FDomainResourceDialect,
                    val_ref,
                    decoder,
                    inner_offset,
                    inner_depth
                )?;
                if !inlined && decoder.next_out_of_line() != next_out_of_line + (num_bytes as usize)
                {
                    return Err(fidl::Error::InvalidNumBytesInEnvelope);
                }
                if handles_before != decoder.remaining_handles() + (num_handles as usize) {
                    return Err(fidl::Error::InvalidNumHandlesInEnvelope);
                }
            }

            next_offset += envelope_size;
            _next_ordinal_to_read += 1;
            if next_offset >= end_offset {
                return Ok(());
            }

            // Decode unknown envelopes for gaps in ordinals.
            while _next_ordinal_to_read < 3 {
                fidl::encoding::decode_unknown_envelope(decoder, next_offset, depth)?;
                _next_ordinal_to_read += 1;
                next_offset += envelope_size;
            }

            let next_out_of_line = decoder.next_out_of_line();
            let handles_before = decoder.remaining_handles();
            if let Some((inlined, num_bytes, num_handles)) =
                fidl::encoding::decode_envelope_header(decoder, next_offset)?
            {
                let member_inline_size = <fidl::encoding::HandleType<
                    fdomain_client::Vmo,
                    { fidl::ObjectType::VMO.into_raw() },
                    2147483648,
                > as fidl::encoding::TypeMarker>::inline_size(
                    decoder.context
                );
                if inlined != (member_inline_size <= 4) {
                    return Err(fidl::Error::InvalidInlineBitInEnvelope);
                }
                let inner_offset;
                let mut inner_depth = depth.clone();
                if inlined {
                    decoder.check_inline_envelope_padding(next_offset, member_inline_size)?;
                    inner_offset = next_offset;
                } else {
                    inner_offset = decoder.out_of_line_offset(member_inline_size)?;
                    inner_depth.increment()?;
                }
                let val_ref =
                self.inspect.get_or_insert_with(|| fidl::new_empty!(fidl::encoding::HandleType<fdomain_client::Vmo, { fidl::ObjectType::VMO.into_raw() }, 2147483648>, fdomain_client::fidl::FDomainResourceDialect));
                fidl::decode!(fidl::encoding::HandleType<fdomain_client::Vmo, { fidl::ObjectType::VMO.into_raw() }, 2147483648>, fdomain_client::fidl::FDomainResourceDialect, val_ref, decoder, inner_offset, inner_depth)?;
                if !inlined && decoder.next_out_of_line() != next_out_of_line + (num_bytes as usize)
                {
                    return Err(fidl::Error::InvalidNumBytesInEnvelope);
                }
                if handles_before != decoder.remaining_handles() + (num_handles as usize) {
                    return Err(fidl::Error::InvalidNumHandlesInEnvelope);
                }
            }

            next_offset += envelope_size;
            _next_ordinal_to_read += 1;
            if next_offset >= end_offset {
                return Ok(());
            }

            // Decode unknown envelopes for gaps in ordinals.
            while _next_ordinal_to_read < 4 {
                fidl::encoding::decode_unknown_envelope(decoder, next_offset, depth)?;
                _next_ordinal_to_read += 1;
                next_offset += envelope_size;
            }

            let next_out_of_line = decoder.next_out_of_line();
            let handles_before = decoder.remaining_handles();
            if let Some((inlined, num_bytes, num_handles)) =
                fidl::encoding::decode_envelope_header(decoder, next_offset)?
            {
                let member_inline_size =
                    <ConnectionType as fidl::encoding::TypeMarker>::inline_size(decoder.context);
                if inlined != (member_inline_size <= 4) {
                    return Err(fidl::Error::InvalidInlineBitInEnvelope);
                }
                let inner_offset;
                let mut inner_depth = depth.clone();
                if inlined {
                    decoder.check_inline_envelope_padding(next_offset, member_inline_size)?;
                    inner_offset = next_offset;
                } else {
                    inner_offset = decoder.out_of_line_offset(member_inline_size)?;
                    inner_depth.increment()?;
                }
                let val_ref = self.connector_supports.get_or_insert_with(|| {
                    fidl::new_empty!(ConnectionType, fdomain_client::fidl::FDomainResourceDialect)
                });
                fidl::decode!(
                    ConnectionType,
                    fdomain_client::fidl::FDomainResourceDialect,
                    val_ref,
                    decoder,
                    inner_offset,
                    inner_depth
                )?;
                if !inlined && decoder.next_out_of_line() != next_out_of_line + (num_bytes as usize)
                {
                    return Err(fidl::Error::InvalidNumBytesInEnvelope);
                }
                if handles_before != decoder.remaining_handles() + (num_handles as usize) {
                    return Err(fidl::Error::InvalidNumHandlesInEnvelope);
                }
            }

            next_offset += envelope_size;
            _next_ordinal_to_read += 1;
            if next_offset >= end_offset {
                return Ok(());
            }

            // Decode unknown envelopes for gaps in ordinals.
            while _next_ordinal_to_read < 5 {
                fidl::encoding::decode_unknown_envelope(decoder, next_offset, depth)?;
                _next_ordinal_to_read += 1;
                next_offset += envelope_size;
            }

            let next_out_of_line = decoder.next_out_of_line();
            let handles_before = decoder.remaining_handles();
            if let Some((inlined, num_bytes, num_handles)) =
                fidl::encoding::decode_envelope_header(decoder, next_offset)?
            {
                let member_inline_size = <fidl::encoding::Endpoint<
                    fdomain_client::fidl::ClientEnd<ConnectorMarker>,
                > as fidl::encoding::TypeMarker>::inline_size(
                    decoder.context
                );
                if inlined != (member_inline_size <= 4) {
                    return Err(fidl::Error::InvalidInlineBitInEnvelope);
                }
                let inner_offset;
                let mut inner_depth = depth.clone();
                if inlined {
                    decoder.check_inline_envelope_padding(next_offset, member_inline_size)?;
                    inner_offset = next_offset;
                } else {
                    inner_offset = decoder.out_of_line_offset(member_inline_size)?;
                    inner_depth.increment()?;
                }
                let val_ref = self.controller_connector.get_or_insert_with(|| {
                    fidl::new_empty!(
                        fidl::encoding::Endpoint<fdomain_client::fidl::ClientEnd<ConnectorMarker>>,
                        fdomain_client::fidl::FDomainResourceDialect
                    )
                });
                fidl::decode!(
                    fidl::encoding::Endpoint<fdomain_client::fidl::ClientEnd<ConnectorMarker>>,
                    fdomain_client::fidl::FDomainResourceDialect,
                    val_ref,
                    decoder,
                    inner_offset,
                    inner_depth
                )?;
                if !inlined && decoder.next_out_of_line() != next_out_of_line + (num_bytes as usize)
                {
                    return Err(fidl::Error::InvalidNumBytesInEnvelope);
                }
                if handles_before != decoder.remaining_handles() + (num_handles as usize) {
                    return Err(fidl::Error::InvalidNumHandlesInEnvelope);
                }
            }

            next_offset += envelope_size;

            // Decode the remaining unknown envelopes.
            while next_offset < end_offset {
                _next_ordinal_to_read += 1;
                fidl::encoding::decode_unknown_envelope(decoder, next_offset, depth)?;
                next_offset += envelope_size;
            }

            Ok(())
        }
    }
}