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

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

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

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

/// Messages coming through the Host Controller Interface can be one of three types.
#[derive(Copy, Clone, Debug, Eq, PartialEq, Ord, PartialOrd, Hash)]
#[repr(u32)]
pub enum PacketType {
    /// Command sent from the host to the controller.
    Cmd = 0,
    /// Event sent from the controller to the host.
    Event = 1,
    /// Data sent from the controller to the host.
    Data = 2,
}

impl PacketType {
    #[inline]
    pub fn from_primitive(prim: u32) -> Option<Self> {
        match prim {
            0 => Some(Self::Cmd),
            1 => Some(Self::Event),
            2 => Some(Self::Data),
            _ => 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
    }
}

#[derive(Clone, Debug, Eq, Hash, Ord, PartialEq, PartialOrd)]
pub struct SnoopOnPacketRequest {
    pub host_device: String,
    pub packet: SnoopPacket,
}

impl fidl::Persistable for SnoopOnPacketRequest {}

#[derive(Clone, Debug, Eq, Hash, Ord, PartialEq, PartialOrd)]
pub struct SnoopPacket {
    /// true if this packet is sent from the controller to the host.
    pub is_received: bool,
    pub type_: PacketType,
    /// Timestamp that the bt-snoop service received the packet from a snoop channel as measured
    /// by the host system.
    pub timestamp: Timestamp,
    /// Original length of the packet before truncation.
    pub original_len: u32,
    /// Payload sent over the HCI.
    pub payload: Vec<u8>,
}

impl fidl::Persistable for SnoopPacket {}

#[derive(Clone, Debug, Eq, Hash, Ord, PartialEq, PartialOrd)]
pub struct SnoopStartRequest {
    pub follow: bool,
    pub host_device: Option<String>,
}

impl fidl::Persistable for SnoopStartRequest {}

#[derive(Clone, Debug, PartialEq)]
pub struct SnoopStartResponse {
    pub status: fidl_fuchsia_bluetooth::Status,
}

impl fidl::Persistable for SnoopStartResponse {}

/// Timestamp represents the number of seconds and nanoseconds since the Unix epoch.
#[derive(Clone, Copy, Debug, Eq, Hash, Ord, PartialEq, PartialOrd)]
#[repr(C)]
pub struct Timestamp {
    /// Valid values for `subsec_nanos` can be greater than 10^9-1. Therefore the total
    /// seconds elapsed since the epoch is defined by the value of `seconds` plus
    /// `subsec_nanos` / 10^9 - the value of `seconds` alone may not be sufficient.
    ///
    /// It is invalid for the carry from `subsec_nanos` to overflow the `seconds` field.
    /// A client or server should reject such data as malformed.
    pub subsec_nanos: u32,
    pub seconds: u64,
}

impl fidl::Persistable for Timestamp {}

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

impl fidl::endpoints::ProtocolMarker for SnoopMarker {
    type Proxy = SnoopProxy;
    type RequestStream = SnoopRequestStream;

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

    const DEBUG_NAME: &'static str = "fuchsia.bluetooth.snoop.Snoop";
}
impl fidl::endpoints::DiscoverableProtocolMarker for SnoopMarker {}

pub trait SnoopProxyInterface: Send + Sync {
    type StartResponseFut: std::future::Future<Output = Result<fidl_fuchsia_bluetooth::Status, fidl::Error>>
        + Send;
    fn r#start(&self, follow: bool, host_device: Option<&str>) -> Self::StartResponseFut;
}

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

#[cfg(target_os = "fuchsia")]
impl fidl::endpoints::SynchronousProxy for SnoopSynchronousProxy {
    type Proxy = SnoopProxy;
    type Protocol = SnoopMarker;

    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 SnoopSynchronousProxy {
    pub fn new(channel: fidl::Channel) -> Self {
        let protocol_name = <SnoopMarker 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<SnoopEvent, fidl::Error> {
        SnoopEvent::decode(self.client.wait_for_event(deadline)?)
    }

    /// Subscribe to receive packets from the server. Packets that have been recorded are sent
    /// first.
    ///
    /// If `follow` is true, the channel stays open and packets are sent to the client as
    /// the snoop server receives them. If `follow` is false, the channel is closed by the server
    /// when all recorded packets have been sent.
    ///
    /// A `host_device` name may be provided; if so, only events from that host are sent to the client.
    /// If `host_device` is absent, the client is sent events from all host devices.
    ///
    /// Errors:
    ///   `Start` can only be called once per connection. After the first request, subsequent requests
    ///   always return an error.
    ///   `host_device` values that are not recognized by the server return an error.
    pub fn r#start(
        &self,
        mut follow: bool,
        mut host_device: Option<&str>,
        ___deadline: zx::Time,
    ) -> Result<fidl_fuchsia_bluetooth::Status, fidl::Error> {
        let _response = self.client.send_query::<SnoopStartRequest, SnoopStartResponse>(
            (follow, host_device),
            0xa520491a4a82f24,
            fidl::encoding::DynamicFlags::empty(),
            ___deadline,
        )?;
        Ok(_response.status)
    }
}

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

impl fidl::endpoints::Proxy for SnoopProxy {
    type Protocol = SnoopMarker;

    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 SnoopProxy {
    /// Create a new Proxy for fuchsia.bluetooth.snoop/Snoop.
    pub fn new(channel: fidl::AsyncChannel) -> Self {
        let protocol_name = <SnoopMarker 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) -> SnoopEventStream {
        SnoopEventStream { event_receiver: self.client.take_event_receiver() }
    }

    /// Subscribe to receive packets from the server. Packets that have been recorded are sent
    /// first.
    ///
    /// If `follow` is true, the channel stays open and packets are sent to the client as
    /// the snoop server receives them. If `follow` is false, the channel is closed by the server
    /// when all recorded packets have been sent.
    ///
    /// A `host_device` name may be provided; if so, only events from that host are sent to the client.
    /// If `host_device` is absent, the client is sent events from all host devices.
    ///
    /// Errors:
    ///   `Start` can only be called once per connection. After the first request, subsequent requests
    ///   always return an error.
    ///   `host_device` values that are not recognized by the server return an error.
    pub fn r#start(
        &self,
        mut follow: bool,
        mut host_device: Option<&str>,
    ) -> fidl::client::QueryResponseFut<fidl_fuchsia_bluetooth::Status> {
        SnoopProxyInterface::r#start(self, follow, host_device)
    }
}

impl SnoopProxyInterface for SnoopProxy {
    type StartResponseFut = fidl::client::QueryResponseFut<fidl_fuchsia_bluetooth::Status>;
    fn r#start(&self, mut follow: bool, mut host_device: Option<&str>) -> Self::StartResponseFut {
        fn _decode(
            mut _buf: Result<fidl::MessageBufEtc, fidl::Error>,
        ) -> Result<fidl_fuchsia_bluetooth::Status, fidl::Error> {
            let _response = fidl::client::decode_transaction_body::<
                SnoopStartResponse,
                0xa520491a4a82f24,
            >(_buf?)?;
            Ok(_response.status)
        }
        self.client.send_query_and_decode::<SnoopStartRequest, fidl_fuchsia_bluetooth::Status>(
            (follow, host_device),
            0xa520491a4a82f24,
            fidl::encoding::DynamicFlags::empty(),
            _decode,
        )
    }
}

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

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

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

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

#[derive(Debug)]
pub enum SnoopEvent {
    OnPacket { host_device: String, packet: SnoopPacket },
}

impl SnoopEvent {
    #[allow(irrefutable_let_patterns)]
    pub fn into_on_packet(self) -> Option<(String, SnoopPacket)> {
        if let SnoopEvent::OnPacket { host_device, packet } = self {
            Some((host_device, packet))
        } else {
            None
        }
    }

    /// Decodes a message buffer as a [`SnoopEvent`].
    fn decode(mut buf: fidl::MessageBufEtc) -> Result<SnoopEvent, 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 {
            0x59c75b8752d11475 => {
                let mut out = fidl::new_empty!(SnoopOnPacketRequest);
                fidl::encoding::Decoder::decode_into::<SnoopOnPacketRequest>(
                    &tx_header,
                    _body_bytes,
                    _handles,
                    &mut out,
                )?;
                Ok((SnoopEvent::OnPacket { host_device: out.host_device, packet: out.packet }))
            }
            _ => Err(fidl::Error::UnknownOrdinal {
                ordinal: tx_header.ordinal,
                protocol_name: <SnoopMarker as fidl::endpoints::ProtocolMarker>::DEBUG_NAME,
            }),
        }
    }
}

/// A Stream of incoming requests for fuchsia.bluetooth.snoop/Snoop.
pub struct SnoopRequestStream {
    inner: std::sync::Arc<fidl::ServeInner>,
    is_terminated: bool,
}

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

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

impl fidl::endpoints::RequestStream for SnoopRequestStream {
    type Protocol = SnoopMarker;
    type ControlHandle = SnoopControlHandle;

    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 {
        SnoopControlHandle { 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 SnoopRequestStream {
    type Item = Result<SnoopRequest, 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 SnoopRequestStream after completion");
        }
        fidl::encoding::with_tls_decode_buf(|bytes, handles| {
            match this.inner.channel().read_etc(cx, bytes, handles) {
                std::task::Poll::Ready(Ok(())) => {}
                std::task::Poll::Pending => return std::task::Poll::Pending,
                std::task::Poll::Ready(Err(zx_status::Status::PEER_CLOSED)) => {
                    this.is_terminated = true;
                    return std::task::Poll::Ready(None);
                }
                std::task::Poll::Ready(Err(e)) => {
                    return std::task::Poll::Ready(Some(Err(fidl::Error::ServerRequestRead(e))))
                }
            }

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

            std::task::Poll::Ready(Some(match header.ordinal {
                0xa520491a4a82f24 => {
                    header.validate_request_tx_id(fidl::MethodType::TwoWay)?;
                    let mut req = fidl::new_empty!(SnoopStartRequest);
                    fidl::encoding::Decoder::decode_into::<SnoopStartRequest>(
                        &header,
                        _body_bytes,
                        handles,
                        &mut req,
                    )?;
                    let control_handle = SnoopControlHandle { inner: this.inner.clone() };
                    Ok(SnoopRequest::Start {
                        follow: req.follow,
                        host_device: req.host_device,

                        responder: SnoopStartResponder {
                            control_handle: std::mem::ManuallyDrop::new(control_handle),
                            tx_id: header.tx_id,
                        },
                    })
                }
                _ => Err(fidl::Error::UnknownOrdinal {
                    ordinal: header.ordinal,
                    protocol_name: <SnoopMarker as fidl::endpoints::ProtocolMarker>::DEBUG_NAME,
                }),
            }))
        })
    }
}

/// Interface to receive packets recorded as received or transmitted for a Bluetooth host.
/// Packets are received by the client as datagrams through the fidl channel as `OnPacket`
/// events.
#[derive(Debug)]
pub enum SnoopRequest {
    /// Subscribe to receive packets from the server. Packets that have been recorded are sent
    /// first.
    ///
    /// If `follow` is true, the channel stays open and packets are sent to the client as
    /// the snoop server receives them. If `follow` is false, the channel is closed by the server
    /// when all recorded packets have been sent.
    ///
    /// A `host_device` name may be provided; if so, only events from that host are sent to the client.
    /// If `host_device` is absent, the client is sent events from all host devices.
    ///
    /// Errors:
    ///   `Start` can only be called once per connection. After the first request, subsequent requests
    ///   always return an error.
    ///   `host_device` values that are not recognized by the server return an error.
    Start { follow: bool, host_device: Option<String>, responder: SnoopStartResponder },
}

impl SnoopRequest {
    #[allow(irrefutable_let_patterns)]
    pub fn into_start(self) -> Option<(bool, Option<String>, SnoopStartResponder)> {
        if let SnoopRequest::Start { follow, host_device, responder } = self {
            Some((follow, host_device, responder))
        } else {
            None
        }
    }

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

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

impl fidl::endpoints::ControlHandle for SnoopControlHandle {
    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()
    }
}

impl SnoopControlHandle {
    pub fn send_on_packet(
        &self,
        mut host_device: &str,
        mut packet: &SnoopPacket,
    ) -> Result<(), fidl::Error> {
        self.inner.send::<SnoopOnPacketRequest>(
            (host_device, packet),
            0,
            0x59c75b8752d11475,
            fidl::encoding::DynamicFlags::empty(),
        )
    }
}

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

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

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

    fn send_raw(&self, mut status: &fidl_fuchsia_bluetooth::Status) -> Result<(), fidl::Error> {
        self.control_handle.inner.send::<SnoopStartResponse>(
            (status,),
            self.tx_id,
            0xa520491a4a82f24,
            fidl::encoding::DynamicFlags::empty(),
        )
    }
}

mod internal {
    use super::*;
    unsafe impl fidl::encoding::TypeMarker for PacketType {
        type Owned = Self;

        #[inline(always)]
        fn inline_align(_context: fidl::encoding::Context) -> usize {
            std::mem::align_of::<u32>()
        }

        #[inline(always)]
        fn inline_size(_context: fidl::encoding::Context) -> usize {
            std::mem::size_of::<u32>()
        }

        #[inline(always)]
        fn encode_is_copy() -> bool {
            true
        }

        #[inline(always)]
        fn decode_is_copy() -> bool {
            false
        }
    }

    impl fidl::encoding::ValueTypeMarker for PacketType {
        type Borrowed<'a> = Self;
        #[inline(always)]
        fn borrow<'a>(
            value: &'a <Self as fidl::encoding::TypeMarker>::Owned,
        ) -> Self::Borrowed<'a> {
            *value
        }
    }

    unsafe impl fidl::encoding::Encode<Self> for PacketType {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<Self>(offset);
            encoder.write_num(self.into_primitive(), offset);
            Ok(())
        }
    }

    impl fidl::encoding::Decode<Self> for PacketType {
        #[inline(always)]
        fn new_empty() -> Self {
            Self::Cmd
        }

        #[inline]
        unsafe fn decode(
            &mut self,
            decoder: &mut fidl::encoding::Decoder<'_>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            decoder.debug_check_bounds::<Self>(offset);
            let prim = decoder.read_num::<u32>(offset);

            *self = Self::from_primitive(prim).ok_or(fidl::Error::InvalidEnumValue)?;
            Ok(())
        }
    }

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

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

        #[inline(always)]
        fn inline_size(_context: fidl::encoding::Context) -> usize {
            64
        }
    }
    impl fidl::encoding::ValueTypeMarker for SnoopOnPacketRequest {
        type Borrowed<'a> = &'a Self;
        fn borrow<'a>(
            value: &'a <Self as fidl::encoding::TypeMarker>::Owned,
        ) -> Self::Borrowed<'a> {
            value
        }
    }

    unsafe impl fidl::encoding::Encode<SnoopOnPacketRequest> for &SnoopOnPacketRequest {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<SnoopOnPacketRequest>(offset);
            // Delegate to tuple encoding.
            fidl::encoding::Encode::<SnoopOnPacketRequest>::encode(
                (
                    <fidl::encoding::BoundedString<255> as fidl::encoding::ValueTypeMarker>::borrow(
                        &self.host_device,
                    ),
                    <SnoopPacket as fidl::encoding::ValueTypeMarker>::borrow(&self.packet),
                ),
                encoder,
                offset,
                _depth,
            )
        }
    }
    unsafe impl<
            T0: fidl::encoding::Encode<fidl::encoding::BoundedString<255>>,
            T1: fidl::encoding::Encode<SnoopPacket>,
        > fidl::encoding::Encode<SnoopOnPacketRequest> for (T0, T1)
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_>,
            offset: usize,
            depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<SnoopOnPacketRequest>(offset);
            // Zero out padding regions. There's no need to apply masks
            // because the unmasked parts will be overwritten by fields.
            // Write the fields.
            self.0.encode(encoder, offset + 0, depth)?;
            self.1.encode(encoder, offset + 16, depth)?;
            Ok(())
        }
    }

    impl fidl::encoding::Decode<Self> for SnoopOnPacketRequest {
        #[inline(always)]
        fn new_empty() -> Self {
            Self {
                host_device: fidl::new_empty!(fidl::encoding::BoundedString<255>),
                packet: fidl::new_empty!(SnoopPacket),
            }
        }

        #[inline]
        unsafe fn decode(
            &mut self,
            decoder: &mut fidl::encoding::Decoder<'_>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            decoder.debug_check_bounds::<Self>(offset);
            // Verify that padding bytes are zero.
            fidl::decode!(
                fidl::encoding::BoundedString<255>,
                &mut self.host_device,
                decoder,
                offset + 0,
                _depth
            )?;
            fidl::decode!(SnoopPacket, &mut self.packet, decoder, offset + 16, _depth)?;
            Ok(())
        }
    }

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

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

        #[inline(always)]
        fn inline_size(_context: fidl::encoding::Context) -> usize {
            48
        }
    }
    impl fidl::encoding::ValueTypeMarker for SnoopPacket {
        type Borrowed<'a> = &'a Self;
        fn borrow<'a>(
            value: &'a <Self as fidl::encoding::TypeMarker>::Owned,
        ) -> Self::Borrowed<'a> {
            value
        }
    }

    unsafe impl fidl::encoding::Encode<SnoopPacket> for &SnoopPacket {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<SnoopPacket>(offset);
            // Delegate to tuple encoding.
            fidl::encoding::Encode::<SnoopPacket>::encode(
                (
                    <bool as fidl::encoding::ValueTypeMarker>::borrow(&self.is_received),
                    <PacketType as fidl::encoding::ValueTypeMarker>::borrow(&self.type_),
                    <Timestamp as fidl::encoding::ValueTypeMarker>::borrow(&self.timestamp),
                    <u32 as fidl::encoding::ValueTypeMarker>::borrow(&self.original_len),
                    <fidl::encoding::UnboundedVector<u8> as fidl::encoding::ValueTypeMarker>::borrow(&self.payload),
                ),
                encoder, offset, _depth
            )
        }
    }
    unsafe impl<
            T0: fidl::encoding::Encode<bool>,
            T1: fidl::encoding::Encode<PacketType>,
            T2: fidl::encoding::Encode<Timestamp>,
            T3: fidl::encoding::Encode<u32>,
            T4: fidl::encoding::Encode<fidl::encoding::UnboundedVector<u8>>,
        > fidl::encoding::Encode<SnoopPacket> for (T0, T1, T2, T3, T4)
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_>,
            offset: usize,
            depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<SnoopPacket>(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 + 4, depth)?;
            self.2.encode(encoder, offset + 8, depth)?;
            self.3.encode(encoder, offset + 24, depth)?;
            self.4.encode(encoder, offset + 32, depth)?;
            Ok(())
        }
    }

    impl fidl::encoding::Decode<Self> for SnoopPacket {
        #[inline(always)]
        fn new_empty() -> Self {
            Self {
                is_received: fidl::new_empty!(bool),
                type_: fidl::new_empty!(PacketType),
                timestamp: fidl::new_empty!(Timestamp),
                original_len: fidl::new_empty!(u32),
                payload: fidl::new_empty!(fidl::encoding::UnboundedVector<u8>),
            }
        }

        #[inline]
        unsafe fn decode(
            &mut self,
            decoder: &mut fidl::encoding::Decoder<'_>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            decoder.debug_check_bounds::<Self>(offset);
            // Verify that padding bytes are zero.
            let ptr = unsafe { decoder.buf.as_ptr().add(offset).offset(0) };
            let padval = unsafe { (ptr as *const u64).read_unaligned() };
            let mask = 0xffffff00u64;
            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!(bool, &mut self.is_received, decoder, offset + 0, _depth)?;
            fidl::decode!(PacketType, &mut self.type_, decoder, offset + 4, _depth)?;
            fidl::decode!(Timestamp, &mut self.timestamp, decoder, offset + 8, _depth)?;
            fidl::decode!(u32, &mut self.original_len, decoder, offset + 24, _depth)?;
            fidl::decode!(
                fidl::encoding::UnboundedVector<u8>,
                &mut self.payload,
                decoder,
                offset + 32,
                _depth
            )?;
            Ok(())
        }
    }

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

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

        #[inline(always)]
        fn inline_size(_context: fidl::encoding::Context) -> usize {
            24
        }
    }
    impl fidl::encoding::ValueTypeMarker for SnoopStartRequest {
        type Borrowed<'a> = &'a Self;
        fn borrow<'a>(
            value: &'a <Self as fidl::encoding::TypeMarker>::Owned,
        ) -> Self::Borrowed<'a> {
            value
        }
    }

    unsafe impl fidl::encoding::Encode<SnoopStartRequest> for &SnoopStartRequest {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<SnoopStartRequest>(offset);
            // Delegate to tuple encoding.
            fidl::encoding::Encode::<SnoopStartRequest>::encode(
                (
                    <bool as fidl::encoding::ValueTypeMarker>::borrow(&self.follow),
                    <fidl::encoding::Optional<fidl::encoding::BoundedString<255>> as fidl::encoding::ValueTypeMarker>::borrow(&self.host_device),
                ),
                encoder, offset, _depth
            )
        }
    }
    unsafe impl<
            T0: fidl::encoding::Encode<bool>,
            T1: fidl::encoding::Encode<fidl::encoding::Optional<fidl::encoding::BoundedString<255>>>,
        > fidl::encoding::Encode<SnoopStartRequest> for (T0, T1)
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_>,
            offset: usize,
            depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<SnoopStartRequest>(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);
            }
            // Write the fields.
            self.0.encode(encoder, offset + 0, depth)?;
            self.1.encode(encoder, offset + 8, depth)?;
            Ok(())
        }
    }

    impl fidl::encoding::Decode<Self> for SnoopStartRequest {
        #[inline(always)]
        fn new_empty() -> Self {
            Self {
                follow: fidl::new_empty!(bool),
                host_device: fidl::new_empty!(
                    fidl::encoding::Optional<fidl::encoding::BoundedString<255>>
                ),
            }
        }

        #[inline]
        unsafe fn decode(
            &mut self,
            decoder: &mut fidl::encoding::Decoder<'_>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            decoder.debug_check_bounds::<Self>(offset);
            // Verify that padding bytes are zero.
            let ptr = unsafe { decoder.buf.as_ptr().add(offset).offset(0) };
            let padval = unsafe { (ptr as *const u64).read_unaligned() };
            let mask = 0xffffffffffffff00u64;
            let maskedval = padval & mask;
            if maskedval != 0 {
                return Err(fidl::Error::NonZeroPadding {
                    padding_start: offset + 0 + ((mask as u64).trailing_zeros() / 8) as usize,
                });
            }
            fidl::decode!(bool, &mut self.follow, decoder, offset + 0, _depth)?;
            fidl::decode!(
                fidl::encoding::Optional<fidl::encoding::BoundedString<255>>,
                &mut self.host_device,
                decoder,
                offset + 8,
                _depth
            )?;
            Ok(())
        }
    }

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

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

        #[inline(always)]
        fn inline_size(_context: fidl::encoding::Context) -> usize {
            8
        }
    }
    impl fidl::encoding::ValueTypeMarker for SnoopStartResponse {
        type Borrowed<'a> = &'a Self;
        fn borrow<'a>(
            value: &'a <Self as fidl::encoding::TypeMarker>::Owned,
        ) -> Self::Borrowed<'a> {
            value
        }
    }

    unsafe impl fidl::encoding::Encode<SnoopStartResponse> for &SnoopStartResponse {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<SnoopStartResponse>(offset);
            // Delegate to tuple encoding.
            fidl::encoding::Encode::<SnoopStartResponse>::encode(
                (<fidl_fuchsia_bluetooth::Status as fidl::encoding::ValueTypeMarker>::borrow(
                    &self.status,
                ),),
                encoder,
                offset,
                _depth,
            )
        }
    }
    unsafe impl<T0: fidl::encoding::Encode<fidl_fuchsia_bluetooth::Status>>
        fidl::encoding::Encode<SnoopStartResponse> for (T0,)
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_>,
            offset: usize,
            depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<SnoopStartResponse>(offset);
            // Zero out padding regions. There's no need to apply masks
            // because the unmasked parts will be overwritten by fields.
            // Write the fields.
            self.0.encode(encoder, offset + 0, depth)?;
            Ok(())
        }
    }

    impl fidl::encoding::Decode<Self> for SnoopStartResponse {
        #[inline(always)]
        fn new_empty() -> Self {
            Self { status: fidl::new_empty!(fidl_fuchsia_bluetooth::Status) }
        }

        #[inline]
        unsafe fn decode(
            &mut self,
            decoder: &mut fidl::encoding::Decoder<'_>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            decoder.debug_check_bounds::<Self>(offset);
            // Verify that padding bytes are zero.
            fidl::decode!(
                fidl_fuchsia_bluetooth::Status,
                &mut self.status,
                decoder,
                offset + 0,
                _depth
            )?;
            Ok(())
        }
    }

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

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

        #[inline(always)]
        fn inline_size(_context: fidl::encoding::Context) -> usize {
            16
        }
    }
    impl fidl::encoding::ValueTypeMarker for Timestamp {
        type Borrowed<'a> = &'a Self;
        fn borrow<'a>(
            value: &'a <Self as fidl::encoding::TypeMarker>::Owned,
        ) -> Self::Borrowed<'a> {
            value
        }
    }

    unsafe impl fidl::encoding::Encode<Timestamp> for &Timestamp {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<Timestamp>(offset);
            unsafe {
                // Copy the object into the buffer.
                let buf_ptr = encoder.buf.as_mut_ptr().add(offset);
                (buf_ptr as *mut Timestamp).write_unaligned((self as *const Timestamp).read());
                // Zero out padding regions. Unlike `fidl_struct_impl_noncopy!`, this must be
                // done second because the memcpy will write garbage to these bytes.
                let padding_ptr = buf_ptr.offset(0) as *mut u64;
                let padding_mask = 0xffffffff00000000u64;
                padding_ptr.write_unaligned(padding_ptr.read_unaligned() & !padding_mask);
            }
            Ok(())
        }
    }
    unsafe impl<T0: fidl::encoding::Encode<u32>, T1: fidl::encoding::Encode<u64>>
        fidl::encoding::Encode<Timestamp> for (T0, T1)
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_>,
            offset: usize,
            depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<Timestamp>(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);
            }
            // Write the fields.
            self.0.encode(encoder, offset + 0, depth)?;
            self.1.encode(encoder, offset + 8, depth)?;
            Ok(())
        }
    }

    impl fidl::encoding::Decode<Self> for Timestamp {
        #[inline(always)]
        fn new_empty() -> Self {
            Self { subsec_nanos: fidl::new_empty!(u32), seconds: fidl::new_empty!(u64) }
        }

        #[inline]
        unsafe fn decode(
            &mut self,
            decoder: &mut fidl::encoding::Decoder<'_>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            decoder.debug_check_bounds::<Self>(offset);
            let buf_ptr = unsafe { decoder.buf.as_ptr().add(offset) };
            // Verify that padding bytes are zero.
            let ptr = unsafe { buf_ptr.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,
                });
            }
            // Copy from the buffer into the object.
            unsafe {
                std::ptr::copy_nonoverlapping(buf_ptr, self as *mut Self as *mut u8, 16);
            }
            Ok(())
        }
    }
}