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

// fidl_experiment = transitional_allow_list

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

use {
    bitflags::bitflags,
    fidl::{
        client::QueryResponseFut,
        endpoints::{ControlHandle as _, Responder as _},
    },
    fuchsia_zircon_status as zx_status,
    futures::future::{self, MaybeDone, TryFutureExt},
};

#[cfg(target_os = "fuchsia")]
use fuchsia_zircon as zx;

/// Signaled on the UTC clock handle when the UTC clock is determined to have
/// reached logging quality.
///
/// Logging quality timestamps are low-confidence, but presumed good enough for
/// debug logging.
///
/// The value is an alias for `ZX_USER_SIGNAL_1`
pub const SIGNAL_UTC_CLOCK_LOGGING_QUALITY: u32 = 33554432;

/// A user signal that indicates that the UTC clock has been synchronized with
/// an external time source.
///
/// We assume that the external time source has a better estimate
/// of the actual "wall clock" UTC time than our device.
///
/// You may wait on this signal if you want your code to sleep until the UTC
/// clock gets synchronized with an external time source.
///
/// When this signal is active, the clock was synchronized with an
/// external source reasonably recently. The error bounds represent the system's
/// best estimate of wall clock UTC time.
///
/// When this signal is inactive, the clock was last updated from a source
/// that is not external or was never updated at all. This can occur after a
/// reboot, or a resume. The UTC clock may have been set from the
/// real time clock (RTC), but we may not know if RTC matches wall clock.
///
/// If you need finer-grained info on the UTC clock error, you must
/// check the error bounds via [`zx_clock_get_details`][det].
///
/// This signal being active does *not* establish clock trust, and should not
/// be used as such. Also, we can not guarantee that the signal
/// will stay active after a notification. Clients should not
/// assume that the clock remains in a certain state after a signal.
///
/// The value is an alias for `ZX_USER_SIGNAL_0`.
///
/// [det]: https://fuchsia.dev/fuchsia-src/reference/kernel_objects/clock#error-bound
pub const SIGNAL_UTC_CLOCK_SYNCHRONIZED: u32 = 16777216;

#[derive(Debug, Eq, Hash, Ord, PartialEq, PartialOrd)]
pub struct MaintenanceGetWritableUtcClockResponse {
    pub utc_clock: fidl::Clock,
}

impl fidl::Standalone for MaintenanceGetWritableUtcClockResponse {}

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

impl fidl::endpoints::ProtocolMarker for MaintenanceMarker {
    type Proxy = MaintenanceProxy;
    type RequestStream = MaintenanceRequestStream;

    #[cfg(target_os = "fuchsia")]
    type SynchronousProxy = MaintenanceSynchronousProxy;

    const DEBUG_NAME: &'static str = "fuchsia.time.Maintenance";
}
impl fidl::endpoints::DiscoverableProtocolMarker for MaintenanceMarker {}

pub trait MaintenanceProxyInterface: Send + Sync {
    type GetWritableUtcClockResponseFut: std::future::Future<Output = Result<fidl::Clock, fidl::Error>>
        + Send;
    fn r#get_writable_utc_clock(&self) -> Self::GetWritableUtcClockResponseFut;
}

#[derive(Debug)]
#[cfg(target_os = "fuchsia")]
pub struct MaintenanceSynchronousProxy {
    client: fidl::client::sync::Client,
}

#[cfg(target_os = "fuchsia")]
impl fidl::endpoints::SynchronousProxy for MaintenanceSynchronousProxy {
    type Proxy = MaintenanceProxy;
    type Protocol = MaintenanceMarker;

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

    fn into_channel(self) -> fidl::Channel {
        self.client.into_channel()
    }

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

#[cfg(target_os = "fuchsia")]
impl MaintenanceSynchronousProxy {
    pub fn new(channel: fidl::Channel) -> Self {
        let protocol_name = <MaintenanceMarker as fidl::endpoints::ProtocolMarker>::DEBUG_NAME;
        Self { client: fidl::client::sync::Client::new(channel, protocol_name) }
    }

    pub fn into_channel(self) -> fidl::Channel {
        self.client.into_channel()
    }

    /// Waits until an event arrives and returns it. It is safe for other
    /// threads to make concurrent requests while waiting for an event.
    pub fn wait_for_event(&self, deadline: zx::Time) -> Result<MaintenanceEvent, fidl::Error> {
        MaintenanceEvent::decode(self.client.wait_for_event(deadline)?)
    }

    /// Retrieve a UTC clock handle with write rights.
    pub fn r#get_writable_utc_clock(
        &self,
        ___deadline: zx::Time,
    ) -> Result<fidl::Clock, fidl::Error> {
        let _response = self
            .client
            .send_query::<fidl::encoding::EmptyPayload, MaintenanceGetWritableUtcClockResponse>(
                (),
                0x7e4ff4ceb95bb136,
                fidl::encoding::DynamicFlags::empty(),
                ___deadline,
            )?;
        Ok(_response.utc_clock)
    }
}

#[derive(Debug, Clone)]
pub struct MaintenanceProxy {
    client: fidl::client::Client,
}

impl fidl::endpoints::Proxy for MaintenanceProxy {
    type Protocol = MaintenanceMarker;

    fn from_channel(inner: fidl::AsyncChannel) -> Self {
        Self::new(inner)
    }

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

    fn as_channel(&self) -> &::fidl::AsyncChannel {
        self.client.as_channel()
    }
}

impl MaintenanceProxy {
    /// Create a new Proxy for fuchsia.time/Maintenance.
    pub fn new(channel: fidl::AsyncChannel) -> Self {
        let protocol_name = <MaintenanceMarker as fidl::endpoints::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) -> MaintenanceEventStream {
        MaintenanceEventStream { event_receiver: self.client.take_event_receiver() }
    }

    /// Retrieve a UTC clock handle with write rights.
    pub fn r#get_writable_utc_clock(&self) -> fidl::client::QueryResponseFut<fidl::Clock> {
        MaintenanceProxyInterface::r#get_writable_utc_clock(self)
    }
}

impl MaintenanceProxyInterface for MaintenanceProxy {
    type GetWritableUtcClockResponseFut = fidl::client::QueryResponseFut<fidl::Clock>;
    fn r#get_writable_utc_clock(&self) -> Self::GetWritableUtcClockResponseFut {
        fn _decode(
            mut _buf: Result<fidl::MessageBufEtc, fidl::Error>,
        ) -> Result<fidl::Clock, fidl::Error> {
            let _response = fidl::client::decode_transaction_body::<
                MaintenanceGetWritableUtcClockResponse,
                0x7e4ff4ceb95bb136,
            >(_buf?)?;
            Ok(_response.utc_clock)
        }
        self.client.send_query_and_decode::<fidl::encoding::EmptyPayload, fidl::Clock>(
            (),
            0x7e4ff4ceb95bb136,
            fidl::encoding::DynamicFlags::empty(),
            _decode,
        )
    }
}

pub struct MaintenanceEventStream {
    event_receiver: fidl::client::EventReceiver,
}

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

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

impl futures::Stream for MaintenanceEventStream {
    type Item = Result<MaintenanceEvent, 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(MaintenanceEvent::decode(buf))),
            None => std::task::Poll::Ready(None),
        }
    }
}

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

impl MaintenanceEvent {
    /// Decodes a message buffer as a [`MaintenanceEvent`].
    fn decode(mut buf: fidl::MessageBufEtc) -> Result<MaintenanceEvent, 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: <MaintenanceMarker as fidl::endpoints::ProtocolMarker>::DEBUG_NAME,
            }),
        }
    }
}

/// A Stream of incoming requests for fuchsia.time/Maintenance.
pub struct MaintenanceRequestStream {
    inner: std::sync::Arc<fidl::ServeInner>,
    is_terminated: bool,
}

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

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

impl fidl::endpoints::RequestStream for MaintenanceRequestStream {
    type Protocol = MaintenanceMarker;
    type ControlHandle = MaintenanceControlHandle;

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

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

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

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

impl futures::Stream for MaintenanceRequestStream {
    type Item = Result<MaintenanceRequest, 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 MaintenanceRequestStream after completion");
        }
        fidl::encoding::with_tls_decode_buf(|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(zx_status::Status::PEER_CLOSED)) => {
                    this.is_terminated = true;
                    return std::task::Poll::Ready(None);
                }
                std::task::Poll::Ready(Err(e)) => {
                    return std::task::Poll::Ready(Some(Err(fidl::Error::ServerRequestRead(e))))
                }
            }

            // 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 {
                0x7e4ff4ceb95bb136 => {
                    header.validate_request_tx_id(fidl::MethodType::TwoWay)?;
                    let mut req = fidl::new_empty!(fidl::encoding::EmptyPayload);
                    fidl::encoding::Decoder::decode_into::<fidl::encoding::EmptyPayload>(
                        &header,
                        _body_bytes,
                        handles,
                        &mut req,
                    )?;
                    let control_handle = MaintenanceControlHandle { inner: this.inner.clone() };
                    Ok(MaintenanceRequest::GetWritableUtcClock {
                        responder: MaintenanceGetWritableUtcClockResponder {
                            control_handle: std::mem::ManuallyDrop::new(control_handle),
                            tx_id: header.tx_id,
                        },
                    })
                }
                _ => Err(fidl::Error::UnknownOrdinal {
                    ordinal: header.ordinal,
                    protocol_name:
                        <MaintenanceMarker as fidl::endpoints::ProtocolMarker>::DEBUG_NAME,
                }),
            }))
        })
    }
}

/// Provides access to a UTC clock for the purposes of
/// keeping it up-to-date with external time sources.
///
/// The client does not own the UTC clock, but is given
/// a lease in order to keep the time synchronized.
#[derive(Debug)]
pub enum MaintenanceRequest {
    /// Retrieve a UTC clock handle with write rights.
    GetWritableUtcClock { responder: MaintenanceGetWritableUtcClockResponder },
}

impl MaintenanceRequest {
    #[allow(irrefutable_let_patterns)]
    pub fn into_get_writable_utc_clock(self) -> Option<(MaintenanceGetWritableUtcClockResponder)> {
        if let MaintenanceRequest::GetWritableUtcClock { responder } = self {
            Some((responder))
        } else {
            None
        }
    }

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

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

impl fidl::endpoints::ControlHandle for MaintenanceControlHandle {
    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<'a>(&'a self) -> fidl::OnSignals<'a> {
        self.inner.channel().on_closed()
    }
}

impl MaintenanceControlHandle {}

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

/// Set the the channel to be shutdown (see [`MaintenanceControlHandle::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 MaintenanceGetWritableUtcClockResponder {
    fn drop(&mut self) {
        self.control_handle.shutdown();
        // Safety: drops once, never accessed again
        unsafe { std::mem::ManuallyDrop::drop(&mut self.control_handle) };
    }
}

impl fidl::endpoints::Responder for MaintenanceGetWritableUtcClockResponder {
    type ControlHandle = MaintenanceControlHandle;

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

    fn send_raw(&self, mut utc_clock: fidl::Clock) -> Result<(), fidl::Error> {
        self.control_handle.inner.send::<MaintenanceGetWritableUtcClockResponse>(
            (utc_clock,),
            self.tx_id,
            0x7e4ff4ceb95bb136,
            fidl::encoding::DynamicFlags::empty(),
        )
    }
}

mod internal {
    use super::*;

    unsafe impl fidl::encoding::TypeMarker for MaintenanceGetWritableUtcClockResponse {
        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
        }
    }
    impl fidl::encoding::ResourceTypeMarker for MaintenanceGetWritableUtcClockResponse {
        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::Encode<MaintenanceGetWritableUtcClockResponse>
        for &mut MaintenanceGetWritableUtcClockResponse
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<MaintenanceGetWritableUtcClockResponse>(offset);
            // Delegate to tuple encoding.
            fidl::encoding::Encode::<MaintenanceGetWritableUtcClockResponse>::encode(
                (<fidl::encoding::HandleType<
                    fidl::Clock,
                    { fidl::ObjectType::CLOCK.into_raw() },
                    2147483648,
                > as fidl::encoding::ResourceTypeMarker>::take_or_borrow(
                    &mut self.utc_clock
                ),),
                encoder,
                offset,
                _depth,
            )
        }
    }
    unsafe impl<
            T0: fidl::encoding::Encode<
                fidl::encoding::HandleType<
                    fidl::Clock,
                    { fidl::ObjectType::CLOCK.into_raw() },
                    2147483648,
                >,
            >,
        > fidl::encoding::Encode<MaintenanceGetWritableUtcClockResponse> for (T0,)
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_>,
            offset: usize,
            depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<MaintenanceGetWritableUtcClockResponse>(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> for MaintenanceGetWritableUtcClockResponse {
        #[inline(always)]
        fn new_empty() -> Self {
            Self {
                utc_clock: fidl::new_empty!(fidl::encoding::HandleType<fidl::Clock, { fidl::ObjectType::CLOCK.into_raw() }, 2147483648>),
            }
        }

        #[inline]
        unsafe fn decode(
            &mut self,
            decoder: &mut fidl::encoding::Decoder<'_>,
            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<fidl::Clock, { fidl::ObjectType::CLOCK.into_raw() }, 2147483648>, &mut self.utc_clock, decoder, offset + 0, _depth)?;
            Ok(())
        }
    }
}