fidl_fuchsia_tracing_controller/

fidl_fuchsia_tracing_controller.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 fidl::client::QueryResponseFut;
use fidl::encoding::{MessageBufFor, ProxyChannelBox, ResourceDialect};
use fidl::endpoints::{ControlHandle as _, Responder as _};
pub use fidl_fuchsia_tracing_controller__common::*;
use futures::future::{self, MaybeDone, TryFutureExt};
use zx_status;

#[derive(Debug, PartialEq)]
pub struct ProvisionerInitializeTracingRequest {
    pub controller: fidl::endpoints::ServerEnd<SessionMarker>,
    pub config: TraceConfig,
    pub output: fidl::Socket,
}

impl fidl::Standalone<fidl::encoding::DefaultFuchsiaResourceDialect>
    for ProvisionerInitializeTracingRequest
{
}

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

impl fidl::endpoints::ProtocolMarker for ProvisionerMarker {
    type Proxy = ProvisionerProxy;
    type RequestStream = ProvisionerRequestStream;
    #[cfg(target_os = "fuchsia")]
    type SynchronousProxy = ProvisionerSynchronousProxy;

    const DEBUG_NAME: &'static str = "fuchsia.tracing.controller.Provisioner";
}
impl fidl::endpoints::DiscoverableProtocolMarker for ProvisionerMarker {}

pub trait ProvisionerProxyInterface: Send + Sync {
    fn r#initialize_tracing(
        &self,
        controller: fidl::endpoints::ServerEnd<SessionMarker>,
        config: &TraceConfig,
        output: fidl::Socket,
    ) -> Result<(), fidl::Error>;
    type GetProvidersResponseFut: std::future::Future<Output = Result<Vec<ProviderInfo>, fidl::Error>>
        + Send;
    fn r#get_providers(&self) -> Self::GetProvidersResponseFut;
    type GetKnownCategoriesResponseFut: std::future::Future<Output = Result<Vec<fidl_fuchsia_tracing::KnownCategory>, fidl::Error>>
        + Send;
    fn r#get_known_categories(&self) -> Self::GetKnownCategoriesResponseFut;
}
#[derive(Debug)]
#[cfg(target_os = "fuchsia")]
pub struct ProvisionerSynchronousProxy {
    client: fidl::client::sync::Client,
}

#[cfg(target_os = "fuchsia")]
impl fidl::endpoints::SynchronousProxy for ProvisionerSynchronousProxy {
    type Proxy = ProvisionerProxy;
    type Protocol = ProvisionerMarker;

    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 ProvisionerSynchronousProxy {
    pub fn new(channel: fidl::Channel) -> Self {
        let protocol_name = <ProvisionerMarker 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::MonotonicInstant,
    ) -> Result<ProvisionerEvent, fidl::Error> {
        ProvisionerEvent::decode(self.client.wait_for_event(deadline)?)
    }

    /// Requests to initialize tracing with the specified `config`.
    ///
    /// A bad request will terminate the connection.
    ///
    /// Dropping the socket connection will abort and terminate the
    /// existing trace Session.
    ///
    /// The trace controller emits trace data to `output` as a sequence of
    /// binary formatted trace records.  Traces obtained from different providers
    /// are delimited by metadata records within the stream.
    pub fn r#initialize_tracing(
        &self,
        mut controller: fidl::endpoints::ServerEnd<SessionMarker>,
        mut config: &TraceConfig,
        mut output: fidl::Socket,
    ) -> Result<(), fidl::Error> {
        self.client.send::<ProvisionerInitializeTracingRequest>(
            (controller, config, output),
            0x3b046ed3a0684ab8,
            fidl::encoding::DynamicFlags::FLEXIBLE,
        )
    }

    /// Return the set of registered providers.
    pub fn r#get_providers(
        &self,
        ___deadline: zx::MonotonicInstant,
    ) -> Result<Vec<ProviderInfo>, fidl::Error> {
        let _response = self.client.send_query::<
            fidl::encoding::EmptyPayload,
            fidl::encoding::FlexibleType<ProvisionerGetProvidersResponse>,
        >(
            (),
            0xc4d4f36edc50d43,
            fidl::encoding::DynamicFlags::FLEXIBLE,
            ___deadline,
        )?
        .into_result::<ProvisionerMarker>("get_providers")?;
        Ok(_response.providers)
    }

    pub fn r#get_known_categories(
        &self,
        ___deadline: zx::MonotonicInstant,
    ) -> Result<Vec<fidl_fuchsia_tracing::KnownCategory>, fidl::Error> {
        let _response = self.client.send_query::<
            fidl::encoding::EmptyPayload,
            fidl::encoding::FlexibleType<ProvisionerGetKnownCategoriesResponse>,
        >(
            (),
            0x41ef99397b945a4,
            fidl::encoding::DynamicFlags::FLEXIBLE,
            ___deadline,
        )?
        .into_result::<ProvisionerMarker>("get_known_categories")?;
        Ok(_response.categories)
    }
}

#[cfg(target_os = "fuchsia")]
impl From<ProvisionerSynchronousProxy> for zx::Handle {
    fn from(value: ProvisionerSynchronousProxy) -> Self {
        value.into_channel().into()
    }
}

#[cfg(target_os = "fuchsia")]
impl From<fidl::Channel> for ProvisionerSynchronousProxy {
    fn from(value: fidl::Channel) -> Self {
        Self::new(value)
    }
}

#[cfg(target_os = "fuchsia")]
impl fidl::endpoints::FromClient for ProvisionerSynchronousProxy {
    type Protocol = ProvisionerMarker;

    fn from_client(value: fidl::endpoints::ClientEnd<ProvisionerMarker>) -> Self {
        Self::new(value.into_channel())
    }
}

#[derive(Debug, Clone)]
pub struct ProvisionerProxy {
    client: fidl::client::Client<fidl::encoding::DefaultFuchsiaResourceDialect>,
}

impl fidl::endpoints::Proxy for ProvisionerProxy {
    type Protocol = ProvisionerMarker;

    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 ProvisionerProxy {
    /// Create a new Proxy for fuchsia.tracing.controller/Provisioner.
    pub fn new(channel: ::fidl::AsyncChannel) -> Self {
        let protocol_name = <ProvisionerMarker 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) -> ProvisionerEventStream {
        ProvisionerEventStream { event_receiver: self.client.take_event_receiver() }
    }

    /// Requests to initialize tracing with the specified `config`.
    ///
    /// A bad request will terminate the connection.
    ///
    /// Dropping the socket connection will abort and terminate the
    /// existing trace Session.
    ///
    /// The trace controller emits trace data to `output` as a sequence of
    /// binary formatted trace records.  Traces obtained from different providers
    /// are delimited by metadata records within the stream.
    pub fn r#initialize_tracing(
        &self,
        mut controller: fidl::endpoints::ServerEnd<SessionMarker>,
        mut config: &TraceConfig,
        mut output: fidl::Socket,
    ) -> Result<(), fidl::Error> {
        ProvisionerProxyInterface::r#initialize_tracing(self, controller, config, output)
    }

    /// Return the set of registered providers.
    pub fn r#get_providers(
        &self,
    ) -> fidl::client::QueryResponseFut<
        Vec<ProviderInfo>,
        fidl::encoding::DefaultFuchsiaResourceDialect,
    > {
        ProvisionerProxyInterface::r#get_providers(self)
    }

    pub fn r#get_known_categories(
        &self,
    ) -> fidl::client::QueryResponseFut<
        Vec<fidl_fuchsia_tracing::KnownCategory>,
        fidl::encoding::DefaultFuchsiaResourceDialect,
    > {
        ProvisionerProxyInterface::r#get_known_categories(self)
    }
}

impl ProvisionerProxyInterface for ProvisionerProxy {
    fn r#initialize_tracing(
        &self,
        mut controller: fidl::endpoints::ServerEnd<SessionMarker>,
        mut config: &TraceConfig,
        mut output: fidl::Socket,
    ) -> Result<(), fidl::Error> {
        self.client.send::<ProvisionerInitializeTracingRequest>(
            (controller, config, output),
            0x3b046ed3a0684ab8,
            fidl::encoding::DynamicFlags::FLEXIBLE,
        )
    }

    type GetProvidersResponseFut = fidl::client::QueryResponseFut<
        Vec<ProviderInfo>,
        fidl::encoding::DefaultFuchsiaResourceDialect,
    >;
    fn r#get_providers(&self) -> Self::GetProvidersResponseFut {
        fn _decode(
            mut _buf: Result<<fidl::encoding::DefaultFuchsiaResourceDialect as fidl::encoding::ResourceDialect>::MessageBufEtc, fidl::Error>,
        ) -> Result<Vec<ProviderInfo>, fidl::Error> {
            let _response = fidl::client::decode_transaction_body::<
                fidl::encoding::FlexibleType<ProvisionerGetProvidersResponse>,
                fidl::encoding::DefaultFuchsiaResourceDialect,
                0xc4d4f36edc50d43,
            >(_buf?)?
            .into_result::<ProvisionerMarker>("get_providers")?;
            Ok(_response.providers)
        }
        self.client.send_query_and_decode::<fidl::encoding::EmptyPayload, Vec<ProviderInfo>>(
            (),
            0xc4d4f36edc50d43,
            fidl::encoding::DynamicFlags::FLEXIBLE,
            _decode,
        )
    }

    type GetKnownCategoriesResponseFut = fidl::client::QueryResponseFut<
        Vec<fidl_fuchsia_tracing::KnownCategory>,
        fidl::encoding::DefaultFuchsiaResourceDialect,
    >;
    fn r#get_known_categories(&self) -> Self::GetKnownCategoriesResponseFut {
        fn _decode(
            mut _buf: Result<<fidl::encoding::DefaultFuchsiaResourceDialect as fidl::encoding::ResourceDialect>::MessageBufEtc, fidl::Error>,
        ) -> Result<Vec<fidl_fuchsia_tracing::KnownCategory>, fidl::Error> {
            let _response = fidl::client::decode_transaction_body::<
                fidl::encoding::FlexibleType<ProvisionerGetKnownCategoriesResponse>,
                fidl::encoding::DefaultFuchsiaResourceDialect,
                0x41ef99397b945a4,
            >(_buf?)?
            .into_result::<ProvisionerMarker>("get_known_categories")?;
            Ok(_response.categories)
        }
        self.client.send_query_and_decode::<
            fidl::encoding::EmptyPayload,
            Vec<fidl_fuchsia_tracing::KnownCategory>,
        >(
            (),
            0x41ef99397b945a4,
            fidl::encoding::DynamicFlags::FLEXIBLE,
            _decode,
        )
    }
}

pub struct ProvisionerEventStream {
    event_receiver: fidl::client::EventReceiver<fidl::encoding::DefaultFuchsiaResourceDialect>,
}

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

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

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

#[derive(Debug)]
pub enum ProvisionerEvent {
    #[non_exhaustive]
    _UnknownEvent {
        /// Ordinal of the event that was sent.
        ordinal: u64,
    },
}

impl ProvisionerEvent {
    /// Decodes a message buffer as a [`ProvisionerEvent`].
    fn decode(
        mut buf: <fidl::encoding::DefaultFuchsiaResourceDialect as fidl::encoding::ResourceDialect>::MessageBufEtc,
    ) -> Result<ProvisionerEvent, 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 {
            _ if tx_header.dynamic_flags().contains(fidl::encoding::DynamicFlags::FLEXIBLE) => {
                Ok(ProvisionerEvent::_UnknownEvent { ordinal: tx_header.ordinal })
            }
            _ => Err(fidl::Error::UnknownOrdinal {
                ordinal: tx_header.ordinal,
                protocol_name: <ProvisionerMarker as fidl::endpoints::ProtocolMarker>::DEBUG_NAME,
            }),
        }
    }
}

/// A Stream of incoming requests for fuchsia.tracing.controller/Provisioner.
pub struct ProvisionerRequestStream {
    inner: std::sync::Arc<fidl::ServeInner<fidl::encoding::DefaultFuchsiaResourceDialect>>,
    is_terminated: bool,
}

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

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

impl fidl::endpoints::RequestStream for ProvisionerRequestStream {
    type Protocol = ProvisionerMarker;
    type ControlHandle = ProvisionerControlHandle;

    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 {
        ProvisionerControlHandle { inner: self.inner.clone() }
    }

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

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

impl futures::Stream for ProvisionerRequestStream {
    type Item = Result<ProvisionerRequest, 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 ProvisionerRequestStream after completion");
        }
        fidl::encoding::with_tls_decode_buf::<_, fidl::encoding::DefaultFuchsiaResourceDialect>(
            |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.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 {
                    0x3b046ed3a0684ab8 => {
                        header.validate_request_tx_id(fidl::MethodType::OneWay)?;
                        let mut req = fidl::new_empty!(
                            ProvisionerInitializeTracingRequest,
                            fidl::encoding::DefaultFuchsiaResourceDialect
                        );
                        fidl::encoding::Decoder::<fidl::encoding::DefaultFuchsiaResourceDialect>::decode_into::<ProvisionerInitializeTracingRequest>(&header, _body_bytes, handles, &mut req)?;
                        let control_handle = ProvisionerControlHandle { inner: this.inner.clone() };
                        Ok(ProvisionerRequest::InitializeTracing {
                            controller: req.controller,
                            config: req.config,
                            output: req.output,

                            control_handle,
                        })
                    }
                    0xc4d4f36edc50d43 => {
                        header.validate_request_tx_id(fidl::MethodType::TwoWay)?;
                        let mut req = fidl::new_empty!(
                            fidl::encoding::EmptyPayload,
                            fidl::encoding::DefaultFuchsiaResourceDialect
                        );
                        fidl::encoding::Decoder::<fidl::encoding::DefaultFuchsiaResourceDialect>::decode_into::<fidl::encoding::EmptyPayload>(&header, _body_bytes, handles, &mut req)?;
                        let control_handle = ProvisionerControlHandle { inner: this.inner.clone() };
                        Ok(ProvisionerRequest::GetProviders {
                            responder: ProvisionerGetProvidersResponder {
                                control_handle: std::mem::ManuallyDrop::new(control_handle),
                                tx_id: header.tx_id,
                            },
                        })
                    }
                    0x41ef99397b945a4 => {
                        header.validate_request_tx_id(fidl::MethodType::TwoWay)?;
                        let mut req = fidl::new_empty!(
                            fidl::encoding::EmptyPayload,
                            fidl::encoding::DefaultFuchsiaResourceDialect
                        );
                        fidl::encoding::Decoder::<fidl::encoding::DefaultFuchsiaResourceDialect>::decode_into::<fidl::encoding::EmptyPayload>(&header, _body_bytes, handles, &mut req)?;
                        let control_handle = ProvisionerControlHandle { inner: this.inner.clone() };
                        Ok(ProvisionerRequest::GetKnownCategories {
                            responder: ProvisionerGetKnownCategoriesResponder {
                                control_handle: std::mem::ManuallyDrop::new(control_handle),
                                tx_id: header.tx_id,
                            },
                        })
                    }
                    _ if header.tx_id == 0
                        && header
                            .dynamic_flags()
                            .contains(fidl::encoding::DynamicFlags::FLEXIBLE) =>
                    {
                        Ok(ProvisionerRequest::_UnknownMethod {
                            ordinal: header.ordinal,
                            control_handle: ProvisionerControlHandle { inner: this.inner.clone() },
                            method_type: fidl::MethodType::OneWay,
                        })
                    }
                    _ if header
                        .dynamic_flags()
                        .contains(fidl::encoding::DynamicFlags::FLEXIBLE) =>
                    {
                        this.inner.send_framework_err(
                            fidl::encoding::FrameworkErr::UnknownMethod,
                            header.tx_id,
                            header.ordinal,
                            header.dynamic_flags(),
                            (bytes, handles),
                        )?;
                        Ok(ProvisionerRequest::_UnknownMethod {
                            ordinal: header.ordinal,
                            control_handle: ProvisionerControlHandle { inner: this.inner.clone() },
                            method_type: fidl::MethodType::TwoWay,
                        })
                    }
                    _ => Err(fidl::Error::UnknownOrdinal {
                        ordinal: header.ordinal,
                        protocol_name:
                            <ProvisionerMarker as fidl::endpoints::ProtocolMarker>::DEBUG_NAME,
                    }),
                }))
            },
        )
    }
}

/// The provisioner interface used to initialize a trace Session, that can
/// then be started and stopped.
///
/// The provisioner is required to start a trace Session and bind the control
/// to the client. It can also perform tasks like getting the list of registered
/// providers and known categories, which can be performed without a existing
/// trace Session.
#[derive(Debug)]
pub enum ProvisionerRequest {
    /// Requests to initialize tracing with the specified `config`.
    ///
    /// A bad request will terminate the connection.
    ///
    /// Dropping the socket connection will abort and terminate the
    /// existing trace Session.
    ///
    /// The trace controller emits trace data to `output` as a sequence of
    /// binary formatted trace records.  Traces obtained from different providers
    /// are delimited by metadata records within the stream.
    InitializeTracing {
        controller: fidl::endpoints::ServerEnd<SessionMarker>,
        config: TraceConfig,
        output: fidl::Socket,
        control_handle: ProvisionerControlHandle,
    },
    /// Return the set of registered providers.
    GetProviders {
        responder: ProvisionerGetProvidersResponder,
    },
    GetKnownCategories {
        responder: ProvisionerGetKnownCategoriesResponder,
    },
    /// An interaction was received which does not match any known method.
    #[non_exhaustive]
    _UnknownMethod {
        /// Ordinal of the method that was called.
        ordinal: u64,
        control_handle: ProvisionerControlHandle,
        method_type: fidl::MethodType,
    },
}

impl ProvisionerRequest {
    #[allow(irrefutable_let_patterns)]
    pub fn into_initialize_tracing(
        self,
    ) -> Option<(
        fidl::endpoints::ServerEnd<SessionMarker>,
        TraceConfig,
        fidl::Socket,
        ProvisionerControlHandle,
    )> {
        if let ProvisionerRequest::InitializeTracing {
            controller,
            config,
            output,
            control_handle,
        } = self
        {
            Some((controller, config, output, control_handle))
        } else {
            None
        }
    }

    #[allow(irrefutable_let_patterns)]
    pub fn into_get_providers(self) -> Option<(ProvisionerGetProvidersResponder)> {
        if let ProvisionerRequest::GetProviders { responder } = self {
            Some((responder))
        } else {
            None
        }
    }

    #[allow(irrefutable_let_patterns)]
    pub fn into_get_known_categories(self) -> Option<(ProvisionerGetKnownCategoriesResponder)> {
        if let ProvisionerRequest::GetKnownCategories { responder } = self {
            Some((responder))
        } else {
            None
        }
    }

    /// Name of the method defined in FIDL
    pub fn method_name(&self) -> &'static str {
        match *self {
            ProvisionerRequest::InitializeTracing { .. } => "initialize_tracing",
            ProvisionerRequest::GetProviders { .. } => "get_providers",
            ProvisionerRequest::GetKnownCategories { .. } => "get_known_categories",
            ProvisionerRequest::_UnknownMethod {
                method_type: fidl::MethodType::OneWay, ..
            } => "unknown one-way method",
            ProvisionerRequest::_UnknownMethod {
                method_type: fidl::MethodType::TwoWay, ..
            } => "unknown two-way method",
        }
    }
}

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

impl fidl::endpoints::ControlHandle for ProvisionerControlHandle {
    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) -> fidl::OnSignalsRef<'_> {
        self.inner.channel().on_closed()
    }

    #[cfg(target_os = "fuchsia")]
    fn signal_peer(
        &self,
        clear_mask: zx::Signals,
        set_mask: zx::Signals,
    ) -> Result<(), zx_status::Status> {
        use fidl::Peered;
        self.inner.channel().signal_peer(clear_mask, set_mask)
    }
}

impl ProvisionerControlHandle {}

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

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

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

    fn send_raw(&self, mut providers: &[ProviderInfo]) -> Result<(), fidl::Error> {
        self.control_handle
            .inner
            .send::<fidl::encoding::FlexibleType<ProvisionerGetProvidersResponse>>(
                fidl::encoding::Flexible::new((providers,)),
                self.tx_id,
                0xc4d4f36edc50d43,
                fidl::encoding::DynamicFlags::FLEXIBLE,
            )
    }
}

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

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

    fn control_handle(&self) -> &ProvisionerControlHandle {
        &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 ProvisionerGetKnownCategoriesResponder {
    /// Sends a response to the FIDL transaction.
    ///
    /// Sets the channel to shutdown if an error occurs.
    pub fn send(
        self,
        mut categories: &[fidl_fuchsia_tracing::KnownCategory],
    ) -> Result<(), fidl::Error> {
        let _result = self.send_raw(categories);
        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 categories: &[fidl_fuchsia_tracing::KnownCategory],
    ) -> Result<(), fidl::Error> {
        let _result = self.send_raw(categories);
        self.drop_without_shutdown();
        _result
    }

    fn send_raw(
        &self,
        mut categories: &[fidl_fuchsia_tracing::KnownCategory],
    ) -> Result<(), fidl::Error> {
        self.control_handle
            .inner
            .send::<fidl::encoding::FlexibleType<ProvisionerGetKnownCategoriesResponse>>(
                fidl::encoding::Flexible::new((categories,)),
                self.tx_id,
                0x41ef99397b945a4,
                fidl::encoding::DynamicFlags::FLEXIBLE,
            )
    }
}

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

impl fidl::endpoints::ProtocolMarker for SessionMarker {
    type Proxy = SessionProxy;
    type RequestStream = SessionRequestStream;
    #[cfg(target_os = "fuchsia")]
    type SynchronousProxy = SessionSynchronousProxy;

    const DEBUG_NAME: &'static str = "(anonymous) Session";
}
pub type SessionStartTracingResult = Result<(), StartError>;
pub type SessionStopTracingResult = Result<StopResult, StopError>;

pub trait SessionProxyInterface: Send + Sync {
    type StartTracingResponseFut: std::future::Future<Output = Result<SessionStartTracingResult, fidl::Error>>
        + Send;
    fn r#start_tracing(&self, payload: &StartOptions) -> Self::StartTracingResponseFut;
    type StopTracingResponseFut: std::future::Future<Output = Result<SessionStopTracingResult, fidl::Error>>
        + Send;
    fn r#stop_tracing(&self, payload: &StopOptions) -> Self::StopTracingResponseFut;
    type WatchAlertResponseFut: std::future::Future<Output = Result<String, fidl::Error>> + Send;
    fn r#watch_alert(&self) -> Self::WatchAlertResponseFut;
}
#[derive(Debug)]
#[cfg(target_os = "fuchsia")]
pub struct SessionSynchronousProxy {
    client: fidl::client::sync::Client,
}

#[cfg(target_os = "fuchsia")]
impl fidl::endpoints::SynchronousProxy for SessionSynchronousProxy {
    type Proxy = SessionProxy;
    type Protocol = SessionMarker;

    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 SessionSynchronousProxy {
    pub fn new(channel: fidl::Channel) -> Self {
        let protocol_name = <SessionMarker 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::MonotonicInstant,
    ) -> Result<SessionEvent, fidl::Error> {
        SessionEvent::decode(self.client.wait_for_event(deadline)?)
    }

    /// Requests to start tracing with the specified `options`.
    ///
    /// If tracing has already started then the request is ignored,
    /// except to send back an error code.
    ///
    /// The trace Session acknowledges the request when all
    /// registered providers have been started or after
    /// `TraceConfig.start_timeout_milliseconds` milliseconds.
    /// One useful reason for the has-started acknowledgement is that the
    /// trace program can start a program to trace knowing that all the
    /// providers are started.
    pub fn r#start_tracing(
        &self,
        mut payload: &StartOptions,
        ___deadline: zx::MonotonicInstant,
    ) -> Result<SessionStartTracingResult, fidl::Error> {
        let _response = self.client.send_query::<
            StartOptions,
            fidl::encoding::FlexibleResultType<fidl::encoding::EmptyStruct, StartError>,
        >(
            payload,
            0xde9b6ccbe936631,
            fidl::encoding::DynamicFlags::FLEXIBLE,
            ___deadline,
        )?
        .into_result::<SessionMarker>("start_tracing")?;
        Ok(_response.map(|x| x))
    }

    /// Requests to stop tracing.
    ///
    /// If tracing has already stopped then this does nothing.
    /// Returning a result lets callers know when it's ok to, for example,
    /// start tracing again.
    pub fn r#stop_tracing(
        &self,
        mut payload: &StopOptions,
        ___deadline: zx::MonotonicInstant,
    ) -> Result<SessionStopTracingResult, fidl::Error> {
        let _response = self
            .client
            .send_query::<StopOptions, fidl::encoding::FlexibleResultType<StopResult, StopError>>(
                payload,
                0x50fefc9b3ff9b03a,
                fidl::encoding::DynamicFlags::FLEXIBLE,
                ___deadline,
            )?
            .into_result::<SessionMarker>("stop_tracing")?;
        Ok(_response.map(|x| x))
    }

    /// Returns the next alert when it arrives.
    ///
    /// Alerts received by the Session are queued until a WatchAlert
    /// request is received. Alerts are sent to the caller in the order
    /// they were received.
    ///
    /// WatchAlert requests are also queued until an alert is received
    /// and the requests are serviced in the order they were received.
    pub fn r#watch_alert(&self, ___deadline: zx::MonotonicInstant) -> Result<String, fidl::Error> {
        let _response = self.client.send_query::<
            fidl::encoding::EmptyPayload,
            fidl::encoding::FlexibleType<SessionWatchAlertResponse>,
        >(
            (),
            0x1f1c080716d92276,
            fidl::encoding::DynamicFlags::FLEXIBLE,
            ___deadline,
        )?
        .into_result::<SessionMarker>("watch_alert")?;
        Ok(_response.alert_name)
    }
}

#[cfg(target_os = "fuchsia")]
impl From<SessionSynchronousProxy> for zx::Handle {
    fn from(value: SessionSynchronousProxy) -> Self {
        value.into_channel().into()
    }
}

#[cfg(target_os = "fuchsia")]
impl From<fidl::Channel> for SessionSynchronousProxy {
    fn from(value: fidl::Channel) -> Self {
        Self::new(value)
    }
}

#[cfg(target_os = "fuchsia")]
impl fidl::endpoints::FromClient for SessionSynchronousProxy {
    type Protocol = SessionMarker;

    fn from_client(value: fidl::endpoints::ClientEnd<SessionMarker>) -> Self {
        Self::new(value.into_channel())
    }
}

#[derive(Debug, Clone)]
pub struct SessionProxy {
    client: fidl::client::Client<fidl::encoding::DefaultFuchsiaResourceDialect>,
}

impl fidl::endpoints::Proxy for SessionProxy {
    type Protocol = SessionMarker;

    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 SessionProxy {
    /// Create a new Proxy for fuchsia.tracing.controller/Session.
    pub fn new(channel: ::fidl::AsyncChannel) -> Self {
        let protocol_name = <SessionMarker 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) -> SessionEventStream {
        SessionEventStream { event_receiver: self.client.take_event_receiver() }
    }

    /// Requests to start tracing with the specified `options`.
    ///
    /// If tracing has already started then the request is ignored,
    /// except to send back an error code.
    ///
    /// The trace Session acknowledges the request when all
    /// registered providers have been started or after
    /// `TraceConfig.start_timeout_milliseconds` milliseconds.
    /// One useful reason for the has-started acknowledgement is that the
    /// trace program can start a program to trace knowing that all the
    /// providers are started.
    pub fn r#start_tracing(
        &self,
        mut payload: &StartOptions,
    ) -> fidl::client::QueryResponseFut<
        SessionStartTracingResult,
        fidl::encoding::DefaultFuchsiaResourceDialect,
    > {
        SessionProxyInterface::r#start_tracing(self, payload)
    }

    /// Requests to stop tracing.
    ///
    /// If tracing has already stopped then this does nothing.
    /// Returning a result lets callers know when it's ok to, for example,
    /// start tracing again.
    pub fn r#stop_tracing(
        &self,
        mut payload: &StopOptions,
    ) -> fidl::client::QueryResponseFut<
        SessionStopTracingResult,
        fidl::encoding::DefaultFuchsiaResourceDialect,
    > {
        SessionProxyInterface::r#stop_tracing(self, payload)
    }

    /// Returns the next alert when it arrives.
    ///
    /// Alerts received by the Session are queued until a WatchAlert
    /// request is received. Alerts are sent to the caller in the order
    /// they were received.
    ///
    /// WatchAlert requests are also queued until an alert is received
    /// and the requests are serviced in the order they were received.
    pub fn r#watch_alert(
        &self,
    ) -> fidl::client::QueryResponseFut<String, fidl::encoding::DefaultFuchsiaResourceDialect> {
        SessionProxyInterface::r#watch_alert(self)
    }
}

impl SessionProxyInterface for SessionProxy {
    type StartTracingResponseFut = fidl::client::QueryResponseFut<
        SessionStartTracingResult,
        fidl::encoding::DefaultFuchsiaResourceDialect,
    >;
    fn r#start_tracing(&self, mut payload: &StartOptions) -> Self::StartTracingResponseFut {
        fn _decode(
            mut _buf: Result<<fidl::encoding::DefaultFuchsiaResourceDialect as fidl::encoding::ResourceDialect>::MessageBufEtc, fidl::Error>,
        ) -> Result<SessionStartTracingResult, fidl::Error> {
            let _response = fidl::client::decode_transaction_body::<
                fidl::encoding::FlexibleResultType<fidl::encoding::EmptyStruct, StartError>,
                fidl::encoding::DefaultFuchsiaResourceDialect,
                0xde9b6ccbe936631,
            >(_buf?)?
            .into_result::<SessionMarker>("start_tracing")?;
            Ok(_response.map(|x| x))
        }
        self.client.send_query_and_decode::<StartOptions, SessionStartTracingResult>(
            payload,
            0xde9b6ccbe936631,
            fidl::encoding::DynamicFlags::FLEXIBLE,
            _decode,
        )
    }

    type StopTracingResponseFut = fidl::client::QueryResponseFut<
        SessionStopTracingResult,
        fidl::encoding::DefaultFuchsiaResourceDialect,
    >;
    fn r#stop_tracing(&self, mut payload: &StopOptions) -> Self::StopTracingResponseFut {
        fn _decode(
            mut _buf: Result<<fidl::encoding::DefaultFuchsiaResourceDialect as fidl::encoding::ResourceDialect>::MessageBufEtc, fidl::Error>,
        ) -> Result<SessionStopTracingResult, fidl::Error> {
            let _response = fidl::client::decode_transaction_body::<
                fidl::encoding::FlexibleResultType<StopResult, StopError>,
                fidl::encoding::DefaultFuchsiaResourceDialect,
                0x50fefc9b3ff9b03a,
            >(_buf?)?
            .into_result::<SessionMarker>("stop_tracing")?;
            Ok(_response.map(|x| x))
        }
        self.client.send_query_and_decode::<StopOptions, SessionStopTracingResult>(
            payload,
            0x50fefc9b3ff9b03a,
            fidl::encoding::DynamicFlags::FLEXIBLE,
            _decode,
        )
    }

    type WatchAlertResponseFut =
        fidl::client::QueryResponseFut<String, fidl::encoding::DefaultFuchsiaResourceDialect>;
    fn r#watch_alert(&self) -> Self::WatchAlertResponseFut {
        fn _decode(
            mut _buf: Result<<fidl::encoding::DefaultFuchsiaResourceDialect as fidl::encoding::ResourceDialect>::MessageBufEtc, fidl::Error>,
        ) -> Result<String, fidl::Error> {
            let _response = fidl::client::decode_transaction_body::<
                fidl::encoding::FlexibleType<SessionWatchAlertResponse>,
                fidl::encoding::DefaultFuchsiaResourceDialect,
                0x1f1c080716d92276,
            >(_buf?)?
            .into_result::<SessionMarker>("watch_alert")?;
            Ok(_response.alert_name)
        }
        self.client.send_query_and_decode::<fidl::encoding::EmptyPayload, String>(
            (),
            0x1f1c080716d92276,
            fidl::encoding::DynamicFlags::FLEXIBLE,
            _decode,
        )
    }
}

pub struct SessionEventStream {
    event_receiver: fidl::client::EventReceiver<fidl::encoding::DefaultFuchsiaResourceDialect>,
}

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

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

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

#[derive(Debug)]
pub enum SessionEvent {
    OnSessionStateChange {
        state: SessionState,
    },
    #[non_exhaustive]
    _UnknownEvent {
        /// Ordinal of the event that was sent.
        ordinal: u64,
    },
}

impl SessionEvent {
    #[allow(irrefutable_let_patterns)]
    pub fn into_on_session_state_change(self) -> Option<SessionState> {
        if let SessionEvent::OnSessionStateChange { state } = self {
            Some((state))
        } else {
            None
        }
    }

    /// Decodes a message buffer as a [`SessionEvent`].
    fn decode(
        mut buf: <fidl::encoding::DefaultFuchsiaResourceDialect as fidl::encoding::ResourceDialect>::MessageBufEtc,
    ) -> Result<SessionEvent, 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 {
            0x7ab1640718b971cd => {
                let mut out = fidl::new_empty!(
                    SessionOnSessionStateChangeRequest,
                    fidl::encoding::DefaultFuchsiaResourceDialect
                );
                fidl::encoding::Decoder::<fidl::encoding::DefaultFuchsiaResourceDialect>::decode_into::<SessionOnSessionStateChangeRequest>(&tx_header, _body_bytes, _handles, &mut out)?;
                Ok((SessionEvent::OnSessionStateChange { state: out.state }))
            }
            _ if tx_header.dynamic_flags().contains(fidl::encoding::DynamicFlags::FLEXIBLE) => {
                Ok(SessionEvent::_UnknownEvent { ordinal: tx_header.ordinal })
            }
            _ => Err(fidl::Error::UnknownOrdinal {
                ordinal: tx_header.ordinal,
                protocol_name: <SessionMarker as fidl::endpoints::ProtocolMarker>::DEBUG_NAME,
            }),
        }
    }
}

/// A Stream of incoming requests for fuchsia.tracing.controller/Session.
pub struct SessionRequestStream {
    inner: std::sync::Arc<fidl::ServeInner<fidl::encoding::DefaultFuchsiaResourceDialect>>,
    is_terminated: bool,
}

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

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

impl fidl::endpoints::RequestStream for SessionRequestStream {
    type Protocol = SessionMarker;
    type ControlHandle = SessionControlHandle;

    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 {
        SessionControlHandle { inner: self.inner.clone() }
    }

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

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

impl futures::Stream for SessionRequestStream {
    type Item = Result<SessionRequest, 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 SessionRequestStream after completion");
        }
        fidl::encoding::with_tls_decode_buf::<_, fidl::encoding::DefaultFuchsiaResourceDialect>(
            |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.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 {
                    0xde9b6ccbe936631 => {
                        header.validate_request_tx_id(fidl::MethodType::TwoWay)?;
                        let mut req = fidl::new_empty!(
                            StartOptions,
                            fidl::encoding::DefaultFuchsiaResourceDialect
                        );
                        fidl::encoding::Decoder::<fidl::encoding::DefaultFuchsiaResourceDialect>::decode_into::<StartOptions>(&header, _body_bytes, handles, &mut req)?;
                        let control_handle = SessionControlHandle { inner: this.inner.clone() };
                        Ok(SessionRequest::StartTracing {
                            payload: req,
                            responder: SessionStartTracingResponder {
                                control_handle: std::mem::ManuallyDrop::new(control_handle),
                                tx_id: header.tx_id,
                            },
                        })
                    }
                    0x50fefc9b3ff9b03a => {
                        header.validate_request_tx_id(fidl::MethodType::TwoWay)?;
                        let mut req = fidl::new_empty!(
                            StopOptions,
                            fidl::encoding::DefaultFuchsiaResourceDialect
                        );
                        fidl::encoding::Decoder::<fidl::encoding::DefaultFuchsiaResourceDialect>::decode_into::<StopOptions>(&header, _body_bytes, handles, &mut req)?;
                        let control_handle = SessionControlHandle { inner: this.inner.clone() };
                        Ok(SessionRequest::StopTracing {
                            payload: req,
                            responder: SessionStopTracingResponder {
                                control_handle: std::mem::ManuallyDrop::new(control_handle),
                                tx_id: header.tx_id,
                            },
                        })
                    }
                    0x1f1c080716d92276 => {
                        header.validate_request_tx_id(fidl::MethodType::TwoWay)?;
                        let mut req = fidl::new_empty!(
                            fidl::encoding::EmptyPayload,
                            fidl::encoding::DefaultFuchsiaResourceDialect
                        );
                        fidl::encoding::Decoder::<fidl::encoding::DefaultFuchsiaResourceDialect>::decode_into::<fidl::encoding::EmptyPayload>(&header, _body_bytes, handles, &mut req)?;
                        let control_handle = SessionControlHandle { inner: this.inner.clone() };
                        Ok(SessionRequest::WatchAlert {
                            responder: SessionWatchAlertResponder {
                                control_handle: std::mem::ManuallyDrop::new(control_handle),
                                tx_id: header.tx_id,
                            },
                        })
                    }
                    _ if header.tx_id == 0
                        && header
                            .dynamic_flags()
                            .contains(fidl::encoding::DynamicFlags::FLEXIBLE) =>
                    {
                        Ok(SessionRequest::_UnknownMethod {
                            ordinal: header.ordinal,
                            control_handle: SessionControlHandle { inner: this.inner.clone() },
                            method_type: fidl::MethodType::OneWay,
                        })
                    }
                    _ if header
                        .dynamic_flags()
                        .contains(fidl::encoding::DynamicFlags::FLEXIBLE) =>
                    {
                        this.inner.send_framework_err(
                            fidl::encoding::FrameworkErr::UnknownMethod,
                            header.tx_id,
                            header.ordinal,
                            header.dynamic_flags(),
                            (bytes, handles),
                        )?;
                        Ok(SessionRequest::_UnknownMethod {
                            ordinal: header.ordinal,
                            control_handle: SessionControlHandle { inner: this.inner.clone() },
                            method_type: fidl::MethodType::TwoWay,
                        })
                    }
                    _ => Err(fidl::Error::UnknownOrdinal {
                        ordinal: header.ordinal,
                        protocol_name:
                            <SessionMarker as fidl::endpoints::ProtocolMarker>::DEBUG_NAME,
                    }),
                }))
            },
        )
    }
}

/// The session interface used by the trace tool to start/stop/terminate a trace Session.
///
/// The trace Session may lightly validate the structure of
/// trace records as it copies them from trace buffers into the output.
/// In particular, it may verify the size of each record header to ensure
/// that the framing of trace records in the data stream is maintained.
///
/// The trace Session does not validate the contents of the trace records
/// themselves.  For example, it does not try to check argument lengths in
/// events.  This ensures that the trace format can be extended without needing
/// to modify the trace Session.
///
/// The trace Session must be initialized from the provisioner. It can then be
/// used to start/stop tracing as many times as needed. Dropping the Session
/// will terminate tracing.
#[derive(Debug)]
pub enum SessionRequest {
    /// Requests to start tracing with the specified `options`.
    ///
    /// If tracing has already started then the request is ignored,
    /// except to send back an error code.
    ///
    /// The trace Session acknowledges the request when all
    /// registered providers have been started or after
    /// `TraceConfig.start_timeout_milliseconds` milliseconds.
    /// One useful reason for the has-started acknowledgement is that the
    /// trace program can start a program to trace knowing that all the
    /// providers are started.
    StartTracing { payload: StartOptions, responder: SessionStartTracingResponder },
    /// Requests to stop tracing.
    ///
    /// If tracing has already stopped then this does nothing.
    /// Returning a result lets callers know when it's ok to, for example,
    /// start tracing again.
    StopTracing { payload: StopOptions, responder: SessionStopTracingResponder },
    /// Returns the next alert when it arrives.
    ///
    /// Alerts received by the Session are queued until a WatchAlert
    /// request is received. Alerts are sent to the caller in the order
    /// they were received.
    ///
    /// WatchAlert requests are also queued until an alert is received
    /// and the requests are serviced in the order they were received.
    WatchAlert { responder: SessionWatchAlertResponder },
    /// An interaction was received which does not match any known method.
    #[non_exhaustive]
    _UnknownMethod {
        /// Ordinal of the method that was called.
        ordinal: u64,
        control_handle: SessionControlHandle,
        method_type: fidl::MethodType,
    },
}

impl SessionRequest {
    #[allow(irrefutable_let_patterns)]
    pub fn into_start_tracing(self) -> Option<(StartOptions, SessionStartTracingResponder)> {
        if let SessionRequest::StartTracing { payload, responder } = self {
            Some((payload, responder))
        } else {
            None
        }
    }

    #[allow(irrefutable_let_patterns)]
    pub fn into_stop_tracing(self) -> Option<(StopOptions, SessionStopTracingResponder)> {
        if let SessionRequest::StopTracing { payload, responder } = self {
            Some((payload, responder))
        } else {
            None
        }
    }

    #[allow(irrefutable_let_patterns)]
    pub fn into_watch_alert(self) -> Option<(SessionWatchAlertResponder)> {
        if let SessionRequest::WatchAlert { responder } = self {
            Some((responder))
        } else {
            None
        }
    }

    /// Name of the method defined in FIDL
    pub fn method_name(&self) -> &'static str {
        match *self {
            SessionRequest::StartTracing { .. } => "start_tracing",
            SessionRequest::StopTracing { .. } => "stop_tracing",
            SessionRequest::WatchAlert { .. } => "watch_alert",
            SessionRequest::_UnknownMethod { method_type: fidl::MethodType::OneWay, .. } => {
                "unknown one-way method"
            }
            SessionRequest::_UnknownMethod { method_type: fidl::MethodType::TwoWay, .. } => {
                "unknown two-way method"
            }
        }
    }
}

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

impl fidl::endpoints::ControlHandle for SessionControlHandle {
    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) -> fidl::OnSignalsRef<'_> {
        self.inner.channel().on_closed()
    }

    #[cfg(target_os = "fuchsia")]
    fn signal_peer(
        &self,
        clear_mask: zx::Signals,
        set_mask: zx::Signals,
    ) -> Result<(), zx_status::Status> {
        use fidl::Peered;
        self.inner.channel().signal_peer(clear_mask, set_mask)
    }
}

impl SessionControlHandle {
    pub fn send_on_session_state_change(&self, mut state: SessionState) -> Result<(), fidl::Error> {
        self.inner.send::<SessionOnSessionStateChangeRequest>(
            (state,),
            0,
            0x7ab1640718b971cd,
            fidl::encoding::DynamicFlags::FLEXIBLE,
        )
    }
}

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

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

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

    fn send_raw(&self, mut result: Result<(), StartError>) -> Result<(), fidl::Error> {
        self.control_handle.inner.send::<fidl::encoding::FlexibleResultType<
            fidl::encoding::EmptyStruct,
            StartError,
        >>(
            fidl::encoding::FlexibleResult::new(result),
            self.tx_id,
            0xde9b6ccbe936631,
            fidl::encoding::DynamicFlags::FLEXIBLE,
        )
    }
}

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

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

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

    fn send_raw(&self, mut result: Result<&StopResult, StopError>) -> Result<(), fidl::Error> {
        self.control_handle.inner.send::<fidl::encoding::FlexibleResultType<StopResult, StopError>>(
            fidl::encoding::FlexibleResult::new(result),
            self.tx_id,
            0x50fefc9b3ff9b03a,
            fidl::encoding::DynamicFlags::FLEXIBLE,
        )
    }
}

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

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

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

    fn send_raw(&self, mut alert_name: &str) -> Result<(), fidl::Error> {
        self.control_handle.inner.send::<fidl::encoding::FlexibleType<SessionWatchAlertResponse>>(
            fidl::encoding::Flexible::new((alert_name,)),
            self.tx_id,
            0x1f1c080716d92276,
            fidl::encoding::DynamicFlags::FLEXIBLE,
        )
    }
}

mod internal {
    use super::*;

    impl fidl::encoding::ResourceTypeMarker for ProvisionerInitializeTracingRequest {
        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 ProvisionerInitializeTracingRequest {
        type Owned = Self;

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

        #[inline(always)]
        fn inline_size(_context: fidl::encoding::Context) -> usize {
            32
        }
    }

    unsafe impl
        fidl::encoding::Encode<
            ProvisionerInitializeTracingRequest,
            fidl::encoding::DefaultFuchsiaResourceDialect,
        > for &mut ProvisionerInitializeTracingRequest
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<
                '_,
                fidl::encoding::DefaultFuchsiaResourceDialect,
            >,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<ProvisionerInitializeTracingRequest>(offset);
            // Delegate to tuple encoding.
            fidl::encoding::Encode::<ProvisionerInitializeTracingRequest, fidl::encoding::DefaultFuchsiaResourceDialect>::encode(
                (
                    <fidl::encoding::Endpoint<fidl::endpoints::ServerEnd<SessionMarker>> as fidl::encoding::ResourceTypeMarker>::take_or_borrow(&mut self.controller),
                    <TraceConfig as fidl::encoding::ValueTypeMarker>::borrow(&self.config),
                    <fidl::encoding::HandleType<fidl::Socket, { fidl::ObjectType::SOCKET.into_raw() }, 16392> as fidl::encoding::ResourceTypeMarker>::take_or_borrow(&mut self.output),
                ),
                encoder, offset, _depth
            )
        }
    }
    unsafe impl<
            T0: fidl::encoding::Encode<
                fidl::encoding::Endpoint<fidl::endpoints::ServerEnd<SessionMarker>>,
                fidl::encoding::DefaultFuchsiaResourceDialect,
            >,
            T1: fidl::encoding::Encode<TraceConfig, fidl::encoding::DefaultFuchsiaResourceDialect>,
            T2: fidl::encoding::Encode<
                fidl::encoding::HandleType<
                    fidl::Socket,
                    { fidl::ObjectType::SOCKET.into_raw() },
                    16392,
                >,
                fidl::encoding::DefaultFuchsiaResourceDialect,
            >,
        >
        fidl::encoding::Encode<
            ProvisionerInitializeTracingRequest,
            fidl::encoding::DefaultFuchsiaResourceDialect,
        > for (T0, T1, T2)
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<
                '_,
                fidl::encoding::DefaultFuchsiaResourceDialect,
            >,
            offset: usize,
            depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<ProvisionerInitializeTracingRequest>(offset);
            // Zero out padding regions. There's no need to apply masks
            // because the unmasked parts will be overwritten by fields.
            unsafe {
                let ptr = encoder.buf.as_mut_ptr().add(offset).offset(0);
                (ptr as *mut u64).write_unaligned(0);
            }
            unsafe {
                let ptr = encoder.buf.as_mut_ptr().add(offset).offset(24);
                (ptr as *mut u64).write_unaligned(0);
            }
            // Write the fields.
            self.0.encode(encoder, offset + 0, depth)?;
            self.1.encode(encoder, offset + 8, depth)?;
            self.2.encode(encoder, offset + 24, depth)?;
            Ok(())
        }
    }

    impl fidl::encoding::Decode<Self, fidl::encoding::DefaultFuchsiaResourceDialect>
        for ProvisionerInitializeTracingRequest
    {
        #[inline(always)]
        fn new_empty() -> Self {
            Self {
                controller: fidl::new_empty!(
                    fidl::encoding::Endpoint<fidl::endpoints::ServerEnd<SessionMarker>>,
                    fidl::encoding::DefaultFuchsiaResourceDialect
                ),
                config: fidl::new_empty!(
                    TraceConfig,
                    fidl::encoding::DefaultFuchsiaResourceDialect
                ),
                output: fidl::new_empty!(fidl::encoding::HandleType<fidl::Socket, { fidl::ObjectType::SOCKET.into_raw() }, 16392>, fidl::encoding::DefaultFuchsiaResourceDialect),
            }
        }

        #[inline]
        unsafe fn decode(
            &mut self,
            decoder: &mut fidl::encoding::Decoder<
                '_,
                fidl::encoding::DefaultFuchsiaResourceDialect,
            >,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            decoder.debug_check_bounds::<Self>(offset);
            // Verify that padding bytes are zero.
            let ptr = unsafe { decoder.buf.as_ptr().add(offset).offset(0) };
            let padval = unsafe { (ptr as *const u64).read_unaligned() };
            let mask = 0xffffffff00000000u64;
            let maskedval = padval & mask;
            if maskedval != 0 {
                return Err(fidl::Error::NonZeroPadding {
                    padding_start: offset + 0 + ((mask as u64).trailing_zeros() / 8) as usize,
                });
            }
            let ptr = unsafe { decoder.buf.as_ptr().add(offset).offset(24) };
            let padval = unsafe { (ptr as *const u64).read_unaligned() };
            let mask = 0xffffffff00000000u64;
            let maskedval = padval & mask;
            if maskedval != 0 {
                return Err(fidl::Error::NonZeroPadding {
                    padding_start: offset + 24 + ((mask as u64).trailing_zeros() / 8) as usize,
                });
            }
            fidl::decode!(
                fidl::encoding::Endpoint<fidl::endpoints::ServerEnd<SessionMarker>>,
                fidl::encoding::DefaultFuchsiaResourceDialect,
                &mut self.controller,
                decoder,
                offset + 0,
                _depth
            )?;
            fidl::decode!(
                TraceConfig,
                fidl::encoding::DefaultFuchsiaResourceDialect,
                &mut self.config,
                decoder,
                offset + 8,
                _depth
            )?;
            fidl::decode!(fidl::encoding::HandleType<fidl::Socket, { fidl::ObjectType::SOCKET.into_raw() }, 16392>, fidl::encoding::DefaultFuchsiaResourceDialect, &mut self.output, decoder, offset + 24, _depth)?;
            Ok(())
        }
    }
}