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

// fidl_experiment = no_optional_structs
// fidl_experiment = simple_empty_response_syntax
// fidl_experiment = unknown_interactions

#![allow(
    unused_parens, // one-element-tuple-case is not a tuple
    unused_mut, // not all args require mutation, but many do
    nonstandard_style, // auto-caps does its best, but is not always successful
)]
#![recursion_limit = "512"]

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

#[allow(unused_imports)]
use {
    bitflags::bitflags,
    fidl::{
        client::{decode_transaction_body_fut, QueryResponseFut},
        encoding::{zerocopy, Decodable as _, Encodable as _},
        endpoints::{ControlHandle as _, Responder as _},
        fidl_bits, fidl_empty_struct, fidl_enum, fidl_struct, fidl_struct_copy, fidl_table,
        fidl_union, wrap_handle_metadata,
    },
    fuchsia_zircon_status as zx_status,
    futures::future::{self, MaybeDone, TryFutureExt},
};

const _FIDL_TRACE_BINDINGS_RUST: u32 = 6;

/// Maximum number of events returned by a query.
pub const MAX_QUERY_LENGTH: u16 = 64;

/// This is currently not exhaustive.
#[derive(Copy, Clone, Debug, Eq, PartialEq, Ord, PartialOrd, Hash)]
#[repr(u32)]
pub enum LogMethod {
    LogOccurrence = 1,
    LogInteger = 2,
    LogIntegerHistogram = 3,
    LogString = 4,
    LogMetricEvents = 5,
}

impl LogMethod {
    #[inline]
    pub fn from_primitive(prim: u32) -> Option<Self> {
        match prim {
            1 => Some(Self::LogOccurrence),
            2 => Some(Self::LogInteger),
            3 => Some(Self::LogIntegerHistogram),
            4 => Some(Self::LogString),
            5 => Some(Self::LogMetricEvents),
            _ => None,
        }
    }

    #[inline]
    pub const fn into_primitive(self) -> u32 {
        self as u32
    }

    #[deprecated = "Strict enums should not use `is_unknown`"]
    #[inline]
    pub fn is_unknown(&self) -> bool {
        false
    }
}

fidl_enum! {
    name: LogMethod,
    prim_ty: u32,
    strict: true,
    min_member: LogOccurrence,
}

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

impl fidl::endpoints::ProtocolMarker for MetricEventLoggerQuerierMarker {
    type Proxy = MetricEventLoggerQuerierProxy;
    type RequestStream = MetricEventLoggerQuerierRequestStream;
    const DEBUG_NAME: &'static str = "fuchsia.metrics.test.MetricEventLoggerQuerier";
}
impl fidl::endpoints::DiscoverableProtocolMarker for MetricEventLoggerQuerierMarker {}

pub trait MetricEventLoggerQuerierProxyInterface: Send + Sync {
    type WatchLogsResponseFut: std::future::Future<
            Output = Result<(Vec<fidl_fuchsia_metrics::MetricEvent>, bool), fidl::Error>,
        > + Send;
    fn r#watch_logs(&self, project_id: u32, method: LogMethod) -> Self::WatchLogsResponseFut;
    fn r#reset_logger(&self, project_id: u32, method: LogMethod) -> Result<(), fidl::Error>;
}

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

#[cfg(target_os = "fuchsia")]
impl MetricEventLoggerQuerierSynchronousProxy {
    pub fn new(channel: fidl::Channel) -> Self {
        let protocol_name =
            <MetricEventLoggerQuerierMarker 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<MetricEventLoggerQuerierEvent, fidl::Error> {
        MetricEventLoggerQuerierEvent::decode(self.client.wait_for_event(deadline)?)
    }
    /// Returns the _first_ N events that were logged for the logger with the
    /// given `project_id` and a `more` flag indicating whether there were
    /// more than N events logged. There is no way to retrieve events logged
    /// after the first N events.
    ///
    /// Will hang until at least one metrics metric is recorded for the given
    /// `project_id` and `method`.
    ///
    /// Repeated calls to WatchLogs for a given LogMethod will block until new
    /// events are logged with that method, enabling tests to synchronize
    /// without sleeps or timeouts.
    pub fn r#watch_logs(
        &self,
        mut project_id: u32,
        mut method: LogMethod,
        ___deadline: zx::Time,
    ) -> Result<(Vec<fidl_fuchsia_metrics::MetricEvent>, bool), fidl::Error> {
        let _value: (Vec<fidl_fuchsia_metrics::MetricEvent>, bool) =
            self.client.send_query::<_, _, false, true>(
                &mut (project_id, method),
                0x42bdf7b98ef8dbea,
                fidl::encoding::DynamicFlags::empty(),
                ___deadline,
            )?;
        Ok((_value.0, _value.1))
    }
    /// Clear all logged events by logging `method` for the logger with the
    /// given `project_id`.
    ///
    /// This is a no-op if a logger for the given `project_id` does not exist.
    /// Notably, it does _not_ create a new logger with `project_id` if one
    /// does not already exist.
    pub fn r#reset_logger(
        &self,
        mut project_id: u32,
        mut method: LogMethod,
    ) -> Result<(), fidl::Error> {
        self.client.send::<_, false>(
            &mut (project_id, method),
            0x16e0da7907d3190f,
            fidl::encoding::DynamicFlags::empty(),
        )
    }
}

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

impl fidl::endpoints::Proxy for MetricEventLoggerQuerierProxy {
    type Protocol = MetricEventLoggerQuerierMarker;

    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 MetricEventLoggerQuerierProxy {
    /// Create a new Proxy for MetricEventLoggerQuerier
    pub fn new(channel: fidl::AsyncChannel) -> Self {
        let protocol_name =
            <MetricEventLoggerQuerierMarker 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 MetricEventLoggerQuerier protocol
    ///
    /// # Panics
    ///
    /// Panics if the event stream was already taken.
    pub fn take_event_stream(&self) -> MetricEventLoggerQuerierEventStream {
        MetricEventLoggerQuerierEventStream { event_receiver: self.client.take_event_receiver() }
    }
    /// Returns the _first_ N events that were logged for the logger with the
    /// given `project_id` and a `more` flag indicating whether there were
    /// more than N events logged. There is no way to retrieve events logged
    /// after the first N events.
    ///
    /// Will hang until at least one metrics metric is recorded for the given
    /// `project_id` and `method`.
    ///
    /// Repeated calls to WatchLogs for a given LogMethod will block until new
    /// events are logged with that method, enabling tests to synchronize
    /// without sleeps or timeouts.
    pub fn r#watch_logs(
        &self,
        mut project_id: u32,
        mut method: LogMethod,
    ) -> fidl::client::QueryResponseFut<(Vec<fidl_fuchsia_metrics::MetricEvent>, bool)> {
        MetricEventLoggerQuerierProxyInterface::r#watch_logs(self, project_id, method)
    }
    /// Clear all logged events by logging `method` for the logger with the
    /// given `project_id`.
    ///
    /// This is a no-op if a logger for the given `project_id` does not exist.
    /// Notably, it does _not_ create a new logger with `project_id` if one
    /// does not already exist.
    pub fn r#reset_logger(
        &self,
        mut project_id: u32,
        mut method: LogMethod,
    ) -> Result<(), fidl::Error> {
        MetricEventLoggerQuerierProxyInterface::r#reset_logger(self, project_id, method)
    }
}

impl MetricEventLoggerQuerierProxyInterface for MetricEventLoggerQuerierProxy {
    type WatchLogsResponseFut =
        fidl::client::QueryResponseFut<(Vec<fidl_fuchsia_metrics::MetricEvent>, bool)>;
    fn r#watch_logs(
        &self,
        mut project_id: u32,
        mut method: LogMethod,
    ) -> Self::WatchLogsResponseFut {
        fn transform(
            result: Result<(Vec<fidl_fuchsia_metrics::MetricEvent>, bool), fidl::Error>,
        ) -> Result<(Vec<fidl_fuchsia_metrics::MetricEvent>, bool), fidl::Error> {
            result.map(|_value| (_value.0, _value.1))
        }
        let send_result = self.client.call_send_raw_query::<_, false>(
            &mut (project_id, method),
            0x42bdf7b98ef8dbea,
            fidl::encoding::DynamicFlags::empty(),
        );
        QueryResponseFut(match send_result {
            Ok(res_fut) => future::maybe_done(
                res_fut.and_then(|buf| decode_transaction_body_fut::<_, _, true>(buf, transform)),
            ),
            Err(e) => MaybeDone::Done(Err(e)),
        })
    }
    fn r#reset_logger(
        &self,
        mut project_id: u32,
        mut method: LogMethod,
    ) -> Result<(), fidl::Error> {
        self.client.send::<_, false>(
            &mut (project_id, method),
            0x16e0da7907d3190f,
            fidl::encoding::DynamicFlags::empty(),
        )
    }
}

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

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

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

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

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

        std::task::Poll::Ready(Some(MetricEventLoggerQuerierEvent::decode(buf)))
    }
}

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

impl MetricEventLoggerQuerierEvent {
    /// Decodes a message buffer as a [`MetricEventLoggerQuerierEvent`]. Transaction
    /// ID in the message must be zero; this method does not check TXID.
    fn decode(mut buf: fidl::MessageBufEtc) -> Result<MetricEventLoggerQuerierEvent, fidl::Error> {
        let (bytes, _handles) = buf.split_mut();
        let (tx_header, _body_bytes) = fidl::encoding::decode_transaction_header(bytes)?;

        match tx_header.ordinal() {
            _ => Err(fidl::Error::UnknownOrdinal {
                ordinal: tx_header.ordinal(),
                protocol_name:
                    <MetricEventLoggerQuerierMarker as fidl::endpoints::ProtocolMarker>::DEBUG_NAME,
            }),
        }
    }
}

/// A Stream of incoming requests for MetricEventLoggerQuerier
pub struct MetricEventLoggerQuerierRequestStream {
    inner: std::sync::Arc<fidl::ServeInner>,
    is_terminated: bool,
}

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

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

impl fidl::endpoints::RequestStream for MetricEventLoggerQuerierRequestStream {
    type Protocol = MetricEventLoggerQuerierMarker;
    type ControlHandle = MetricEventLoggerQuerierControlHandle;

    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 {
        MetricEventLoggerQuerierControlHandle { 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 MetricEventLoggerQuerierRequestStream {
    type Item = Result<MetricEventLoggerQuerierRequest, 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.poll_shutdown(cx) {
            this.is_terminated = true;
            return std::task::Poll::Ready(None);
        }
        if this.is_terminated {
            panic!("polled MetricEventLoggerQuerierRequestStream 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)?;
            if !header.is_compatible() {
                return std::task::Poll::Ready(Some(Err(fidl::Error::IncompatibleMagicNumber(
                    header.magic_number(),
                ))));
            }

            std::task::Poll::Ready(Some(match header.ordinal() {
                0x42bdf7b98ef8dbea => {
                    let mut req: (u32,LogMethod,) = fidl::encoding::Decodable::new_empty();
                    fidl::duration_begin!("fidl", "decode", "bindings" => _FIDL_TRACE_BINDINGS_RUST, "name" => "fuchsia.metrics.test/MetricEventLoggerQuerierWatchLogsRequest");
                    fidl::trace_blob!("fidl:blob", "decode", bytes);if header.dynamic_flags().contains(fidl::encoding::DynamicFlags::BYTE_OVERFLOW) {
                        Err(fidl::Error::LargeMessageImpossible)?;
                    }
                    fidl::encoding::Decoder::decode_into(&header, _body_bytes, handles, &mut req)?;
                    fidl::duration_end!("fidl", "decode", "bindings" => _FIDL_TRACE_BINDINGS_RUST, "size" => bytes.len() as u32, "handle_count" => handles.len() as u32);
                    let control_handle = MetricEventLoggerQuerierControlHandle {
                        inner: this.inner.clone(),
                    };

                    Ok(MetricEventLoggerQuerierRequest::WatchLogs {project_id: req.0,method: req.1,responder:MetricEventLoggerQuerierWatchLogsResponder {
                                control_handle: std::mem::ManuallyDrop::new(control_handle),
                                tx_id: header.tx_id(),
                                ordinal: header.ordinal(),
                            },})
                }
                0x16e0da7907d3190f => {
                    let mut req: (u32,LogMethod,) = fidl::encoding::Decodable::new_empty();
                    fidl::duration_begin!("fidl", "decode", "bindings" => _FIDL_TRACE_BINDINGS_RUST, "name" => "fuchsia.metrics.test/MetricEventLoggerQuerierResetLoggerRequest");
                    fidl::trace_blob!("fidl:blob", "decode", bytes);if header.dynamic_flags().contains(fidl::encoding::DynamicFlags::BYTE_OVERFLOW) {
                        Err(fidl::Error::LargeMessageImpossible)?;
                    }
                    fidl::encoding::Decoder::decode_into(&header, _body_bytes, handles, &mut req)?;
                    fidl::duration_end!("fidl", "decode", "bindings" => _FIDL_TRACE_BINDINGS_RUST, "size" => bytes.len() as u32, "handle_count" => handles.len() as u32);
                    let control_handle = MetricEventLoggerQuerierControlHandle {
                        inner: this.inner.clone(),
                    };

                    Ok(MetricEventLoggerQuerierRequest::ResetLogger {project_id: req.0,method: req.1,control_handle,})
                }
                _ => Err(fidl::Error::UnknownOrdinal {
                    ordinal: header.ordinal(),
                    protocol_name: <MetricEventLoggerQuerierMarker as fidl::endpoints::ProtocolMarker>::DEBUG_NAME,
                }),
            }))
        })
    }
}
/// LoggerQuerier provides a way to query mock metrics services to check that
/// clients of metrics are logging events as expected.
#[derive(Debug)]
pub enum MetricEventLoggerQuerierRequest {
    /// Returns the _first_ N events that were logged for the logger with the
    /// given `project_id` and a `more` flag indicating whether there were
    /// more than N events logged. There is no way to retrieve events logged
    /// after the first N events.
    ///
    /// Will hang until at least one metrics metric is recorded for the given
    /// `project_id` and `method`.
    ///
    /// Repeated calls to WatchLogs for a given LogMethod will block until new
    /// events are logged with that method, enabling tests to synchronize
    /// without sleeps or timeouts.
    WatchLogs {
        project_id: u32,

        method: LogMethod,
        responder: MetricEventLoggerQuerierWatchLogsResponder,
    },
    /// Clear all logged events by logging `method` for the logger with the
    /// given `project_id`.
    ///
    /// This is a no-op if a logger for the given `project_id` does not exist.
    /// Notably, it does _not_ create a new logger with `project_id` if one
    /// does not already exist.
    ResetLogger {
        project_id: u32,

        method: LogMethod,
        control_handle: MetricEventLoggerQuerierControlHandle,
    },
}

impl MetricEventLoggerQuerierRequest {
    #[allow(irrefutable_let_patterns)]
    pub fn into_watch_logs(
        self,
    ) -> Option<(u32, LogMethod, MetricEventLoggerQuerierWatchLogsResponder)> {
        if let MetricEventLoggerQuerierRequest::WatchLogs { project_id, method, responder } = self {
            Some((project_id, method, responder))
        } else {
            None
        }
    }

    #[allow(irrefutable_let_patterns)]
    pub fn into_reset_logger(
        self,
    ) -> Option<(u32, LogMethod, MetricEventLoggerQuerierControlHandle)> {
        if let MetricEventLoggerQuerierRequest::ResetLogger { project_id, method, control_handle } =
            self
        {
            Some((project_id, method, control_handle))
        } else {
            None
        }
    }

    /// Name of the method defined in FIDL
    pub fn method_name(&self) -> &'static str {
        match *self {
            MetricEventLoggerQuerierRequest::WatchLogs { .. } => "watch_logs",
            MetricEventLoggerQuerierRequest::ResetLogger { .. } => "reset_logger",
        }
    }
}

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

impl fidl::endpoints::ControlHandle for MetricEventLoggerQuerierControlHandle {
    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 MetricEventLoggerQuerierControlHandle {}
#[must_use = "FIDL methods require a response to be sent"]
#[derive(Debug)]
pub struct MetricEventLoggerQuerierWatchLogsResponder {
    control_handle: std::mem::ManuallyDrop<MetricEventLoggerQuerierControlHandle>,
    tx_id: u32,
    ordinal: u64,
}

/// Set the the channel to be shutdown (see [`MetricEventLoggerQuerierControlHandle::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 MetricEventLoggerQuerierWatchLogsResponder {
    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 MetricEventLoggerQuerierWatchLogsResponder {
    type ControlHandle = MetricEventLoggerQuerierControlHandle;

    fn control_handle(&self) -> &MetricEventLoggerQuerierControlHandle {
        &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 MetricEventLoggerQuerierWatchLogsResponder {
    /// Sends a response to the FIDL transaction.
    ///
    /// Sets the channel to shutdown if an error occurs.
    pub fn send(
        self,
        mut events: &mut dyn ExactSizeIterator<Item = &mut fidl_fuchsia_metrics::MetricEvent>,
        mut more: bool,
    ) -> Result<(), fidl::Error> {
        let r = self.send_raw(events, more);
        if r.is_err() {
            self.control_handle.shutdown();
        }
        self.drop_without_shutdown();
        r
    }

    /// Similar to "send" but does not shutdown the channel if
    /// an error occurs.
    pub fn send_no_shutdown_on_err(
        self,
        mut events: &mut dyn ExactSizeIterator<Item = &mut fidl_fuchsia_metrics::MetricEvent>,
        mut more: bool,
    ) -> Result<(), fidl::Error> {
        let r = self.send_raw(events, more);
        self.drop_without_shutdown();
        r
    }

    fn send_raw(
        &self,
        mut events: &mut dyn ExactSizeIterator<Item = &mut fidl_fuchsia_metrics::MetricEvent>,
        mut more: bool,
    ) -> Result<(), fidl::Error> {
        let mut response = ((events, more));

        let mut msg = fidl::encoding::TransactionMessage {
            header: fidl::encoding::TransactionHeader::new(
                self.tx_id,
                self.ordinal,
                fidl::encoding::DynamicFlags::empty(),
            ),
            body: &mut response,
        };

        fidl::encoding::with_tls_encode_buf(|bytes, handles| {
            fidl::duration_begin!("fidl", "encode", "bindings" => _FIDL_TRACE_BINDINGS_RUST, "name" => "fuchsia.metrics.test/MetricEventLoggerQuerierWatchLogsResponse");
            fidl::encoding::Encoder::encode(bytes, handles, &mut msg)?;
            fidl::trace_blob!("fidl:blob", "encode", bytes.as_slice());
            fidl::duration_end!("fidl", "encode", "bindings" => _FIDL_TRACE_BINDINGS_RUST, "size" => bytes.len() as u32, "handle_count" => handles.len() as u32);

            self.control_handle.inner.send_raw_msg(&*bytes, &mut *handles)
        })
    }
}