fidl_fuchsia_net_matchers__common/

fidl_fuchsia_net_matchers__common.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::encoding::{MessageBufFor, ProxyChannelBox, ResourceDialect};
use futures::future::{self, MaybeDone, TryFutureExt};
use zx_status;

bitflags! {
    #[derive(Clone, Copy, Debug, Default, PartialEq, Eq, PartialOrd, Ord, Hash)]
    pub struct TcpState: u32 {
        const ESTABLISHED = 1;
        const SYN_SENT = 2;
        const SYN_RECV = 4;
        const FIN_WAIT1 = 8;
        const FIN_WAIT2 = 16;
        const TIME_WAIT = 32;
        const CLOSE = 64;
        const CLOSE_WAIT = 128;
        const LAST_ACK = 256;
        const LISTEN = 512;
        const CLOSING = 1024;
    }
}

impl TcpState {}

bitflags! {
    #[derive(Clone, Copy, Debug, Default, PartialEq, Eq, PartialOrd, Ord, Hash)]
    pub struct UdpState: u32 {
        /// The UDP socket is bound but not connected.
        const BOUND = 1;
        /// The UDP socket is explicitly connected.
        const CONNECTED = 2;
    }
}

impl UdpState {}

/// A matcher for IP addresses.
#[derive(Clone, Debug, PartialEq)]
pub struct Address {
    pub matcher: AddressMatcherType,
    /// Whether to check for an "inverse" or "negative" match (in which case,
    /// if the matcher criteria do *not* apply, it *is* considered a match, and
    /// vice versa).
    pub invert: bool,
}

impl fidl::Persistable for Address {}

#[derive(Clone, Debug, PartialEq)]
pub struct AddressRange {
    /// The inclusive start of the address range.
    pub start: fidl_fuchsia_net__common::IpAddress,
    /// The inclusive end of the address range.
    pub end: fidl_fuchsia_net__common::IpAddress,
}

impl fidl::Persistable for AddressRange {}

/// An empty type for use in unions.
#[derive(Clone, Copy, Debug, Eq, Hash, Ord, PartialEq, PartialOrd)]
pub struct Empty;

impl fidl::Persistable for Empty {}

/// A matcher for the mark on a socket or packet.
#[derive(Clone, Copy, Debug, Eq, Hash, Ord, PartialEq, PartialOrd)]
pub struct Mark {
    /// The mark domain to match against.
    pub domain: fidl_fuchsia_net__common::MarkDomain,
    /// The bitmask to apply while matching. Only those bits specified in this
    /// mask are compared.
    pub mask: u32,
    /// The mark value to compare for equality.
    pub value: u32,
    /// Whether to check for an "inverse" or "negative" match.
    ///
    /// The mask is applied as normal, but the value is checked for inequality.
    pub invert: bool,
}

impl fidl::Persistable for Mark {}

/// A matcher for transport-layer port numbers.
///
/// `start` must <= `end`.
#[derive(Clone, Copy, Debug, Eq, Hash, Ord, PartialEq, PartialOrd)]
pub struct Port {
    /// The inclusive start of the port range.
    pub start: u16,
    /// The inclusive end of the port range.
    pub end: u16,
    /// Whether to check for an "inverse" or "negative" match.
    pub invert: bool,
}

impl fidl::Persistable for Port {}

/// A matcher for a socket's cookie.
#[derive(Clone, Copy, Debug, Eq, Hash, Ord, PartialEq, PartialOrd)]
pub struct SocketCookie {
    /// The cookie value to compare for equality.
    pub cookie: u64,
    /// Whether to check for an "inverse" or "negative" match.
    pub invert: bool,
}

impl fidl::Persistable for SocketCookie {}

/// A matcher for ICMPv4 packets.
#[derive(Clone, Debug, Default, PartialEq)]
pub struct IcmpPacket {
    #[doc(hidden)]
    pub __source_breaking: fidl::marker::SourceBreaking,
}

impl fidl::Persistable for IcmpPacket {}

/// A matcher for ICMPv6 packets.
#[derive(Clone, Debug, Default, PartialEq)]
pub struct Icmpv6Packet {
    #[doc(hidden)]
    pub __source_breaking: fidl::marker::SourceBreaking,
}

impl fidl::Persistable for Icmpv6Packet {}

/// A matcher for TCP packets.
#[derive(Clone, Debug, Default, PartialEq)]
pub struct TcpPacket {
    /// Matcher for the TCP source port.
    pub src_port: Option<Port>,
    /// Matcher for the TCP destination port.
    pub dst_port: Option<Port>,
    #[doc(hidden)]
    pub __source_breaking: fidl::marker::SourceBreaking,
}

impl fidl::Persistable for TcpPacket {}

/// A matcher for UDP packets.
#[derive(Clone, Debug, Default, PartialEq)]
pub struct UdpPacket {
    /// Matcher for the UDP source port.
    pub src_port: Option<Port>,
    /// Matcher for the UDP destination port.
    pub dst_port: Option<Port>,
    #[doc(hidden)]
    pub __source_breaking: fidl::marker::SourceBreaking,
}

impl fidl::Persistable for UdpPacket {}

#[derive(Clone, Debug)]
pub enum AddressMatcherType {
    /// The subnet that must contain the IP address in the packet header in
    /// order for it to match.
    Subnet(fidl_fuchsia_net__common::Subnet),
    /// The range of addresses that must include the IP address in the
    /// packet header in order for it to match.
    ///
    /// The endpoints of the range must be in the same address family, and
    /// `start` must <= `end`. (Comparisons are performed on the numerical
    /// big-endian representation of the IP address.)
    Range(AddressRange),
    #[doc(hidden)]
    __SourceBreaking { unknown_ordinal: u64 },
}

/// Pattern that matches an unknown `AddressMatcherType` member.
#[macro_export]
macro_rules! AddressMatcherTypeUnknown {
    () => {
        _
    };
}

// Custom PartialEq so that unknown variants are not equal to themselves.
impl PartialEq for AddressMatcherType {
    fn eq(&self, other: &Self) -> bool {
        match (self, other) {
            (Self::Subnet(x), Self::Subnet(y)) => *x == *y,
            (Self::Range(x), Self::Range(y)) => *x == *y,
            _ => false,
        }
    }
}

impl AddressMatcherType {
    #[inline]
    pub fn ordinal(&self) -> u64 {
        match *self {
            Self::Subnet(_) => 1,
            Self::Range(_) => 2,
            Self::__SourceBreaking { unknown_ordinal } => unknown_ordinal,
        }
    }

    #[inline]
    pub fn unknown_variant_for_testing() -> Self {
        Self::__SourceBreaking { unknown_ordinal: 0 }
    }

    #[inline]
    pub fn is_unknown(&self) -> bool {
        match self {
            Self::__SourceBreaking { .. } => true,
            _ => false,
        }
    }
}

impl fidl::Persistable for AddressMatcherType {}

/// A matcher for network interfaces.
#[derive(Clone, Debug)]
pub enum Interface {
    /// The ID of the interface as assigned by the netstack.
    Id(u64),
    /// The name of the interface.
    Name(String),
    /// The port class of the interface.
    PortClass(fidl_fuchsia_net_interfaces__common::PortClass),
    #[doc(hidden)]
    __SourceBreaking { unknown_ordinal: u64 },
}

/// Pattern that matches an unknown `Interface` member.
#[macro_export]
macro_rules! InterfaceUnknown {
    () => {
        _
    };
}

// Custom PartialEq so that unknown variants are not equal to themselves.
impl PartialEq for Interface {
    fn eq(&self, other: &Self) -> bool {
        match (self, other) {
            (Self::Id(x), Self::Id(y)) => *x == *y,
            (Self::Name(x), Self::Name(y)) => *x == *y,
            (Self::PortClass(x), Self::PortClass(y)) => *x == *y,
            _ => false,
        }
    }
}

impl Interface {
    #[inline]
    pub fn ordinal(&self) -> u64 {
        match *self {
            Self::Id(_) => 1,
            Self::Name(_) => 2,
            Self::PortClass(_) => 3,
            Self::__SourceBreaking { unknown_ordinal } => unknown_ordinal,
        }
    }

    #[inline]
    pub fn unknown_variant_for_testing() -> Self {
        Self::__SourceBreaking { unknown_ordinal: 0 }
    }

    #[inline]
    pub fn is_unknown(&self) -> bool {
        match self {
            Self::__SourceBreaking { .. } => true,
            _ => false,
        }
    }
}

impl fidl::Persistable for Interface {}

/// A matcher for transport-layer information in packets.
#[derive(Clone, Debug)]
pub enum PacketTransportProtocol {
    Tcp(TcpPacket),
    Udp(UdpPacket),
    Icmp(IcmpPacket),
    Icmpv6(Icmpv6Packet),
    #[doc(hidden)]
    __SourceBreaking {
        unknown_ordinal: u64,
    },
}

/// Pattern that matches an unknown `PacketTransportProtocol` member.
#[macro_export]
macro_rules! PacketTransportProtocolUnknown {
    () => {
        _
    };
}

// Custom PartialEq so that unknown variants are not equal to themselves.
impl PartialEq for PacketTransportProtocol {
    fn eq(&self, other: &Self) -> bool {
        match (self, other) {
            (Self::Tcp(x), Self::Tcp(y)) => *x == *y,
            (Self::Udp(x), Self::Udp(y)) => *x == *y,
            (Self::Icmp(x), Self::Icmp(y)) => *x == *y,
            (Self::Icmpv6(x), Self::Icmpv6(y)) => *x == *y,
            _ => false,
        }
    }
}

impl PacketTransportProtocol {
    #[inline]
    pub fn ordinal(&self) -> u64 {
        match *self {
            Self::Tcp(_) => 1,
            Self::Udp(_) => 2,
            Self::Icmp(_) => 3,
            Self::Icmpv6(_) => 4,
            Self::__SourceBreaking { unknown_ordinal } => unknown_ordinal,
        }
    }

    #[inline]
    pub fn unknown_variant_for_testing() -> Self {
        Self::__SourceBreaking { unknown_ordinal: 0 }
    }

    #[inline]
    pub fn is_unknown(&self) -> bool {
        match self {
            Self::__SourceBreaking { .. } => true,
            _ => false,
        }
    }
}

impl fidl::Persistable for PacketTransportProtocol {}

/// A matcher for transport-layer fields of a socket.
#[derive(Clone, Debug)]
pub enum SocketTransportProtocol {
    /// Matches against TCP fields.
    Tcp(TcpSocket),
    /// Matches against UDP fields.
    Udp(UdpSocket),
    #[doc(hidden)]
    __SourceBreaking { unknown_ordinal: u64 },
}

/// Pattern that matches an unknown `SocketTransportProtocol` member.
#[macro_export]
macro_rules! SocketTransportProtocolUnknown {
    () => {
        _
    };
}

// Custom PartialEq so that unknown variants are not equal to themselves.
impl PartialEq for SocketTransportProtocol {
    fn eq(&self, other: &Self) -> bool {
        match (self, other) {
            (Self::Tcp(x), Self::Tcp(y)) => *x == *y,
            (Self::Udp(x), Self::Udp(y)) => *x == *y,
            _ => false,
        }
    }
}

impl SocketTransportProtocol {
    #[inline]
    pub fn ordinal(&self) -> u64 {
        match *self {
            Self::Tcp(_) => 1,
            Self::Udp(_) => 2,
            Self::__SourceBreaking { unknown_ordinal } => unknown_ordinal,
        }
    }

    #[inline]
    pub fn unknown_variant_for_testing() -> Self {
        Self::__SourceBreaking { unknown_ordinal: 0 }
    }

    #[inline]
    pub fn is_unknown(&self) -> bool {
        match self {
            Self::__SourceBreaking { .. } => true,
            _ => false,
        }
    }
}

impl fidl::Persistable for SocketTransportProtocol {}

/// A matcher for TCP sockets.
#[derive(Clone, Debug)]
pub enum TcpSocket {
    /// Only matches against the transport protocol and nothing else.
    Empty(Empty),
    /// Match against the source port of TCP sockets.
    SrcPort(Port),
    /// Match against the destination port of TCP sockets.
    DstPort(Port),
    /// The TCP socket's state must be contained in the set of states. If unset,
    /// matches all states, just as if it was fully set.
    ///
    /// The constants are structured to correspond to the enum values of
    /// fuchsia.net.tcp.States.
    States(TcpState),
    #[doc(hidden)]
    __SourceBreaking { unknown_ordinal: u64 },
}

/// Pattern that matches an unknown `TcpSocket` member.
#[macro_export]
macro_rules! TcpSocketUnknown {
    () => {
        _
    };
}

// Custom PartialEq so that unknown variants are not equal to themselves.
impl PartialEq for TcpSocket {
    fn eq(&self, other: &Self) -> bool {
        match (self, other) {
            (Self::Empty(x), Self::Empty(y)) => *x == *y,
            (Self::SrcPort(x), Self::SrcPort(y)) => *x == *y,
            (Self::DstPort(x), Self::DstPort(y)) => *x == *y,
            (Self::States(x), Self::States(y)) => *x == *y,
            _ => false,
        }
    }
}

impl TcpSocket {
    #[inline]
    pub fn ordinal(&self) -> u64 {
        match *self {
            Self::Empty(_) => 1,
            Self::SrcPort(_) => 2,
            Self::DstPort(_) => 3,
            Self::States(_) => 4,
            Self::__SourceBreaking { unknown_ordinal } => unknown_ordinal,
        }
    }

    #[inline]
    pub fn unknown_variant_for_testing() -> Self {
        Self::__SourceBreaking { unknown_ordinal: 0 }
    }

    #[inline]
    pub fn is_unknown(&self) -> bool {
        match self {
            Self::__SourceBreaking { .. } => true,
            _ => false,
        }
    }
}

impl fidl::Persistable for TcpSocket {}

/// A matcher for UDP sockets.
#[derive(Clone, Debug)]
pub enum UdpSocket {
    /// Only matches against the transport protocol and nothing else.
    Empty(Empty),
    /// Match against the source port of UDP sockets.
    SrcPort(Port),
    /// Match against the destination port of UDP sockets.
    DstPort(Port),
    /// The UDP socket's state must be contained in the set of states.
    ///
    /// If unset, matches all states, just as if it was fully set.
    States(UdpState),
    #[doc(hidden)]
    __SourceBreaking { unknown_ordinal: u64 },
}

/// Pattern that matches an unknown `UdpSocket` member.
#[macro_export]
macro_rules! UdpSocketUnknown {
    () => {
        _
    };
}

// Custom PartialEq so that unknown variants are not equal to themselves.
impl PartialEq for UdpSocket {
    fn eq(&self, other: &Self) -> bool {
        match (self, other) {
            (Self::Empty(x), Self::Empty(y)) => *x == *y,
            (Self::SrcPort(x), Self::SrcPort(y)) => *x == *y,
            (Self::DstPort(x), Self::DstPort(y)) => *x == *y,
            (Self::States(x), Self::States(y)) => *x == *y,
            _ => false,
        }
    }
}

impl UdpSocket {
    #[inline]
    pub fn ordinal(&self) -> u64 {
        match *self {
            Self::Empty(_) => 1,
            Self::SrcPort(_) => 2,
            Self::DstPort(_) => 3,
            Self::States(_) => 4,
            Self::__SourceBreaking { unknown_ordinal } => unknown_ordinal,
        }
    }

    #[inline]
    pub fn unknown_variant_for_testing() -> Self {
        Self::__SourceBreaking { unknown_ordinal: 0 }
    }

    #[inline]
    pub fn is_unknown(&self) -> bool {
        match self {
            Self::__SourceBreaking { .. } => true,
            _ => false,
        }
    }
}

impl fidl::Persistable for UdpSocket {}

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

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

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

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

    unsafe impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Encode<Self, D> for TcpState {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_, D>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<Self>(offset);
            if self.bits() & Self::all().bits() != self.bits() {
                return Err(fidl::Error::InvalidBitsValue);
            }
            encoder.write_num(self.bits(), offset);
            Ok(())
        }
    }

    impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Decode<Self, D> for TcpState {
        #[inline(always)]
        fn new_empty() -> Self {
            Self::empty()
        }

        #[inline]
        unsafe fn decode(
            &mut self,
            decoder: &mut fidl::encoding::Decoder<'_, D>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            decoder.debug_check_bounds::<Self>(offset);
            let prim = decoder.read_num::<u32>(offset);
            *self = Self::from_bits(prim).ok_or(fidl::Error::InvalidBitsValue)?;
            Ok(())
        }
    }
    unsafe impl fidl::encoding::TypeMarker for UdpState {
        type Owned = Self;

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

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

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

    unsafe impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Encode<Self, D> for UdpState {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_, D>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<Self>(offset);
            if self.bits() & Self::all().bits() != self.bits() {
                return Err(fidl::Error::InvalidBitsValue);
            }
            encoder.write_num(self.bits(), offset);
            Ok(())
        }
    }

    impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Decode<Self, D> for UdpState {
        #[inline(always)]
        fn new_empty() -> Self {
            Self::empty()
        }

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

    impl fidl::encoding::ValueTypeMarker for Address {
        type Borrowed<'a> = &'a Self;
        fn borrow(value: &<Self as fidl::encoding::TypeMarker>::Owned) -> Self::Borrowed<'_> {
            value
        }
    }

    unsafe impl fidl::encoding::TypeMarker for Address {
        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
        }
    }

    unsafe impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Encode<Address, D> for &Address {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_, D>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<Address>(offset);
            // Delegate to tuple encoding.
            fidl::encoding::Encode::<Address, D>::encode(
                (
                    <AddressMatcherType as fidl::encoding::ValueTypeMarker>::borrow(&self.matcher),
                    <bool as fidl::encoding::ValueTypeMarker>::borrow(&self.invert),
                ),
                encoder,
                offset,
                _depth,
            )
        }
    }
    unsafe impl<
        D: fidl::encoding::ResourceDialect,
        T0: fidl::encoding::Encode<AddressMatcherType, D>,
        T1: fidl::encoding::Encode<bool, D>,
    > fidl::encoding::Encode<Address, D> for (T0, T1)
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_, D>,
            offset: usize,
            depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<Address>(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(16);
                (ptr as *mut u64).write_unaligned(0);
            }
            // Write the fields.
            self.0.encode(encoder, offset + 0, depth)?;
            self.1.encode(encoder, offset + 16, depth)?;
            Ok(())
        }
    }

    impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Decode<Self, D> for Address {
        #[inline(always)]
        fn new_empty() -> Self {
            Self {
                matcher: fidl::new_empty!(AddressMatcherType, D),
                invert: fidl::new_empty!(bool, D),
            }
        }

        #[inline]
        unsafe fn decode(
            &mut self,
            decoder: &mut fidl::encoding::Decoder<'_, D>,
            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(16) };
            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 + 16 + ((mask as u64).trailing_zeros() / 8) as usize,
                });
            }
            fidl::decode!(AddressMatcherType, D, &mut self.matcher, decoder, offset + 0, _depth)?;
            fidl::decode!(bool, D, &mut self.invert, decoder, offset + 16, _depth)?;
            Ok(())
        }
    }

    impl fidl::encoding::ValueTypeMarker for AddressRange {
        type Borrowed<'a> = &'a Self;
        fn borrow(value: &<Self as fidl::encoding::TypeMarker>::Owned) -> Self::Borrowed<'_> {
            value
        }
    }

    unsafe impl fidl::encoding::TypeMarker for AddressRange {
        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<D: fidl::encoding::ResourceDialect> fidl::encoding::Encode<AddressRange, D>
        for &AddressRange
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_, D>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<AddressRange>(offset);
            // Delegate to tuple encoding.
            fidl::encoding::Encode::<AddressRange, D>::encode(
                (
                    <fidl_fuchsia_net__common::IpAddress as fidl::encoding::ValueTypeMarker>::borrow(&self.start),
                    <fidl_fuchsia_net__common::IpAddress as fidl::encoding::ValueTypeMarker>::borrow(&self.end),
                ),
                encoder, offset, _depth
            )
        }
    }
    unsafe impl<
        D: fidl::encoding::ResourceDialect,
        T0: fidl::encoding::Encode<fidl_fuchsia_net__common::IpAddress, D>,
        T1: fidl::encoding::Encode<fidl_fuchsia_net__common::IpAddress, D>,
    > fidl::encoding::Encode<AddressRange, D> for (T0, T1)
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_, D>,
            offset: usize,
            depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<AddressRange>(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<D: fidl::encoding::ResourceDialect> fidl::encoding::Decode<Self, D> for AddressRange {
        #[inline(always)]
        fn new_empty() -> Self {
            Self {
                start: fidl::new_empty!(fidl_fuchsia_net__common::IpAddress, D),
                end: fidl::new_empty!(fidl_fuchsia_net__common::IpAddress, D),
            }
        }

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

    impl fidl::encoding::ValueTypeMarker for Empty {
        type Borrowed<'a> = &'a Self;
        fn borrow(value: &<Self as fidl::encoding::TypeMarker>::Owned) -> Self::Borrowed<'_> {
            value
        }
    }

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

        #[inline(always)]
        fn inline_align(_context: fidl::encoding::Context) -> usize {
            1
        }

        #[inline(always)]
        fn inline_size(_context: fidl::encoding::Context) -> usize {
            1
        }
    }

    unsafe impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Encode<Empty, D> for &Empty {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_, D>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<Empty>(offset);
            encoder.write_num(0u8, offset);
            Ok(())
        }
    }

    impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Decode<Self, D> for Empty {
        #[inline(always)]
        fn new_empty() -> Self {
            Self
        }

        #[inline]
        unsafe fn decode(
            &mut self,
            decoder: &mut fidl::encoding::Decoder<'_, D>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            decoder.debug_check_bounds::<Self>(offset);
            match decoder.read_num::<u8>(offset) {
                0 => Ok(()),
                _ => Err(fidl::Error::Invalid),
            }
        }
    }

    impl fidl::encoding::ValueTypeMarker for Mark {
        type Borrowed<'a> = &'a Self;
        fn borrow(value: &<Self as fidl::encoding::TypeMarker>::Owned) -> Self::Borrowed<'_> {
            value
        }
    }

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

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

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

    unsafe impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Encode<Mark, D> for &Mark {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_, D>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<Mark>(offset);
            // Delegate to tuple encoding.
            fidl::encoding::Encode::<Mark, D>::encode(
                (
                    <fidl_fuchsia_net__common::MarkDomain as fidl::encoding::ValueTypeMarker>::borrow(&self.domain),
                    <u32 as fidl::encoding::ValueTypeMarker>::borrow(&self.mask),
                    <u32 as fidl::encoding::ValueTypeMarker>::borrow(&self.value),
                    <bool as fidl::encoding::ValueTypeMarker>::borrow(&self.invert),
                ),
                encoder, offset, _depth
            )
        }
    }
    unsafe impl<
        D: fidl::encoding::ResourceDialect,
        T0: fidl::encoding::Encode<fidl_fuchsia_net__common::MarkDomain, D>,
        T1: fidl::encoding::Encode<u32, D>,
        T2: fidl::encoding::Encode<u32, D>,
        T3: fidl::encoding::Encode<bool, D>,
    > fidl::encoding::Encode<Mark, D> for (T0, T1, T2, T3)
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_, D>,
            offset: usize,
            depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<Mark>(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 u32).write_unaligned(0);
            }
            unsafe {
                let ptr = encoder.buf.as_mut_ptr().add(offset).offset(12);
                (ptr as *mut u32).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 + 12, depth)?;
            Ok(())
        }
    }

    impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Decode<Self, D> for Mark {
        #[inline(always)]
        fn new_empty() -> Self {
            Self {
                domain: fidl::new_empty!(fidl_fuchsia_net__common::MarkDomain, D),
                mask: fidl::new_empty!(u32, D),
                value: fidl::new_empty!(u32, D),
                invert: fidl::new_empty!(bool, D),
            }
        }

        #[inline]
        unsafe fn decode(
            &mut self,
            decoder: &mut fidl::encoding::Decoder<'_, D>,
            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 u32).read_unaligned() };
            let mask = 0xffffff00u32;
            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(12) };
            let padval = unsafe { (ptr as *const u32).read_unaligned() };
            let mask = 0xffffff00u32;
            let maskedval = padval & mask;
            if maskedval != 0 {
                return Err(fidl::Error::NonZeroPadding {
                    padding_start: offset + 12 + ((mask as u64).trailing_zeros() / 8) as usize,
                });
            }
            fidl::decode!(
                fidl_fuchsia_net__common::MarkDomain,
                D,
                &mut self.domain,
                decoder,
                offset + 0,
                _depth
            )?;
            fidl::decode!(u32, D, &mut self.mask, decoder, offset + 4, _depth)?;
            fidl::decode!(u32, D, &mut self.value, decoder, offset + 8, _depth)?;
            fidl::decode!(bool, D, &mut self.invert, decoder, offset + 12, _depth)?;
            Ok(())
        }
    }

    impl fidl::encoding::ValueTypeMarker for Port {
        type Borrowed<'a> = &'a Self;
        fn borrow(value: &<Self as fidl::encoding::TypeMarker>::Owned) -> Self::Borrowed<'_> {
            value
        }
    }

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

        #[inline(always)]
        fn inline_align(_context: fidl::encoding::Context) -> usize {
            2
        }

        #[inline(always)]
        fn inline_size(_context: fidl::encoding::Context) -> usize {
            6
        }
    }

    unsafe impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Encode<Port, D> for &Port {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_, D>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<Port>(offset);
            // Delegate to tuple encoding.
            fidl::encoding::Encode::<Port, D>::encode(
                (
                    <u16 as fidl::encoding::ValueTypeMarker>::borrow(&self.start),
                    <u16 as fidl::encoding::ValueTypeMarker>::borrow(&self.end),
                    <bool as fidl::encoding::ValueTypeMarker>::borrow(&self.invert),
                ),
                encoder,
                offset,
                _depth,
            )
        }
    }
    unsafe impl<
        D: fidl::encoding::ResourceDialect,
        T0: fidl::encoding::Encode<u16, D>,
        T1: fidl::encoding::Encode<u16, D>,
        T2: fidl::encoding::Encode<bool, D>,
    > fidl::encoding::Encode<Port, D> for (T0, T1, T2)
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_, D>,
            offset: usize,
            depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<Port>(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(4);
                (ptr as *mut u16).write_unaligned(0);
            }
            // Write the fields.
            self.0.encode(encoder, offset + 0, depth)?;
            self.1.encode(encoder, offset + 2, depth)?;
            self.2.encode(encoder, offset + 4, depth)?;
            Ok(())
        }
    }

    impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Decode<Self, D> for Port {
        #[inline(always)]
        fn new_empty() -> Self {
            Self {
                start: fidl::new_empty!(u16, D),
                end: fidl::new_empty!(u16, D),
                invert: fidl::new_empty!(bool, D),
            }
        }

        #[inline]
        unsafe fn decode(
            &mut self,
            decoder: &mut fidl::encoding::Decoder<'_, D>,
            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(4) };
            let padval = unsafe { (ptr as *const u16).read_unaligned() };
            let mask = 0xff00u16;
            let maskedval = padval & mask;
            if maskedval != 0 {
                return Err(fidl::Error::NonZeroPadding {
                    padding_start: offset + 4 + ((mask as u64).trailing_zeros() / 8) as usize,
                });
            }
            fidl::decode!(u16, D, &mut self.start, decoder, offset + 0, _depth)?;
            fidl::decode!(u16, D, &mut self.end, decoder, offset + 2, _depth)?;
            fidl::decode!(bool, D, &mut self.invert, decoder, offset + 4, _depth)?;
            Ok(())
        }
    }

    impl fidl::encoding::ValueTypeMarker for SocketCookie {
        type Borrowed<'a> = &'a Self;
        fn borrow(value: &<Self as fidl::encoding::TypeMarker>::Owned) -> Self::Borrowed<'_> {
            value
        }
    }

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

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

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

    unsafe impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Encode<SocketCookie, D>
        for &SocketCookie
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_, D>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<SocketCookie>(offset);
            // Delegate to tuple encoding.
            fidl::encoding::Encode::<SocketCookie, D>::encode(
                (
                    <u64 as fidl::encoding::ValueTypeMarker>::borrow(&self.cookie),
                    <bool as fidl::encoding::ValueTypeMarker>::borrow(&self.invert),
                ),
                encoder,
                offset,
                _depth,
            )
        }
    }
    unsafe impl<
        D: fidl::encoding::ResourceDialect,
        T0: fidl::encoding::Encode<u64, D>,
        T1: fidl::encoding::Encode<bool, D>,
    > fidl::encoding::Encode<SocketCookie, D> for (T0, T1)
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_, D>,
            offset: usize,
            depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<SocketCookie>(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(8);
                (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<D: fidl::encoding::ResourceDialect> fidl::encoding::Decode<Self, D> for SocketCookie {
        #[inline(always)]
        fn new_empty() -> Self {
            Self { cookie: fidl::new_empty!(u64, D), invert: fidl::new_empty!(bool, D) }
        }

        #[inline]
        unsafe fn decode(
            &mut self,
            decoder: &mut fidl::encoding::Decoder<'_, D>,
            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(8) };
            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 + 8 + ((mask as u64).trailing_zeros() / 8) as usize,
                });
            }
            fidl::decode!(u64, D, &mut self.cookie, decoder, offset + 0, _depth)?;
            fidl::decode!(bool, D, &mut self.invert, decoder, offset + 8, _depth)?;
            Ok(())
        }
    }

    impl IcmpPacket {
        #[inline(always)]
        fn max_ordinal_present(&self) -> u64 {
            0
        }
    }

    impl fidl::encoding::ValueTypeMarker for IcmpPacket {
        type Borrowed<'a> = &'a Self;
        fn borrow(value: &<Self as fidl::encoding::TypeMarker>::Owned) -> Self::Borrowed<'_> {
            value
        }
    }

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

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

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

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

            Ok(())
        }
    }

    impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Decode<Self, D> for IcmpPacket {
        #[inline(always)]
        fn new_empty() -> Self {
            Self::default()
        }

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

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

            Ok(())
        }
    }

    impl Icmpv6Packet {
        #[inline(always)]
        fn max_ordinal_present(&self) -> u64 {
            0
        }
    }

    impl fidl::encoding::ValueTypeMarker for Icmpv6Packet {
        type Borrowed<'a> = &'a Self;
        fn borrow(value: &<Self as fidl::encoding::TypeMarker>::Owned) -> Self::Borrowed<'_> {
            value
        }
    }

    unsafe impl fidl::encoding::TypeMarker for Icmpv6Packet {
        type Owned = Self;

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

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

    unsafe impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Encode<Icmpv6Packet, D>
        for &Icmpv6Packet
    {
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_, D>,
            offset: usize,
            mut depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<Icmpv6Packet>(offset);
            // Vector header
            let max_ordinal: u64 = self.max_ordinal_present();
            encoder.write_num(max_ordinal, offset);
            encoder.write_num(fidl::encoding::ALLOC_PRESENT_U64, offset + 8);
            // Calling encoder.out_of_line_offset(0) is not allowed.
            if max_ordinal == 0 {
                return Ok(());
            }
            depth.increment()?;
            let envelope_size = 8;
            let bytes_len = max_ordinal as usize * envelope_size;
            #[allow(unused_variables)]
            let offset = encoder.out_of_line_offset(bytes_len);
            let mut _prev_end_offset: usize = 0;

            Ok(())
        }
    }

    impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Decode<Self, D> for Icmpv6Packet {
        #[inline(always)]
        fn new_empty() -> Self {
            Self::default()
        }

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

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

            Ok(())
        }
    }

    impl TcpPacket {
        #[inline(always)]
        fn max_ordinal_present(&self) -> u64 {
            if let Some(_) = self.dst_port {
                return 2;
            }
            if let Some(_) = self.src_port {
                return 1;
            }
            0
        }
    }

    impl fidl::encoding::ValueTypeMarker for TcpPacket {
        type Borrowed<'a> = &'a Self;
        fn borrow(value: &<Self as fidl::encoding::TypeMarker>::Owned) -> Self::Borrowed<'_> {
            value
        }
    }

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

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

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

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

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

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

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

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

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

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

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

            _prev_end_offset = cur_offset + envelope_size;

            Ok(())
        }
    }

    impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Decode<Self, D> for TcpPacket {
        #[inline(always)]
        fn new_empty() -> Self {
            Self::default()
        }

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

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

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

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

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

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

            next_offset += envelope_size;

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

            Ok(())
        }
    }

    impl UdpPacket {
        #[inline(always)]
        fn max_ordinal_present(&self) -> u64 {
            if let Some(_) = self.dst_port {
                return 2;
            }
            if let Some(_) = self.src_port {
                return 1;
            }
            0
        }
    }

    impl fidl::encoding::ValueTypeMarker for UdpPacket {
        type Borrowed<'a> = &'a Self;
        fn borrow(value: &<Self as fidl::encoding::TypeMarker>::Owned) -> Self::Borrowed<'_> {
            value
        }
    }

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

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

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

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

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

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

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

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

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

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

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

            _prev_end_offset = cur_offset + envelope_size;

            Ok(())
        }
    }

    impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Decode<Self, D> for UdpPacket {
        #[inline(always)]
        fn new_empty() -> Self {
            Self::default()
        }

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

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

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

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

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

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

            next_offset += envelope_size;

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

            Ok(())
        }
    }

    impl fidl::encoding::ValueTypeMarker for AddressMatcherType {
        type Borrowed<'a> = &'a Self;
        fn borrow(value: &<Self as fidl::encoding::TypeMarker>::Owned) -> Self::Borrowed<'_> {
            value
        }
    }

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

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

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

    unsafe impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Encode<AddressMatcherType, D>
        for &AddressMatcherType
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_, D>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<AddressMatcherType>(offset);
            encoder.write_num::<u64>(self.ordinal(), offset);
            match self {
                AddressMatcherType::Subnet(ref val) => fidl::encoding::encode_in_envelope::<
                    fidl_fuchsia_net__common::Subnet,
                    D,
                >(
                    <fidl_fuchsia_net__common::Subnet as fidl::encoding::ValueTypeMarker>::borrow(
                        val,
                    ),
                    encoder,
                    offset + 8,
                    _depth,
                ),
                AddressMatcherType::Range(ref val) => {
                    fidl::encoding::encode_in_envelope::<AddressRange, D>(
                        <AddressRange as fidl::encoding::ValueTypeMarker>::borrow(val),
                        encoder,
                        offset + 8,
                        _depth,
                    )
                }
                AddressMatcherType::__SourceBreaking { .. } => Err(fidl::Error::UnknownUnionTag),
            }
        }
    }

    impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Decode<Self, D> for AddressMatcherType {
        #[inline(always)]
        fn new_empty() -> Self {
            Self::__SourceBreaking { unknown_ordinal: 0 }
        }

        #[inline]
        unsafe fn decode(
            &mut self,
            decoder: &mut fidl::encoding::Decoder<'_, D>,
            offset: usize,
            mut depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            decoder.debug_check_bounds::<Self>(offset);
            #[allow(unused_variables)]
            let next_out_of_line = decoder.next_out_of_line();
            let handles_before = decoder.remaining_handles();
            let (ordinal, inlined, num_bytes, num_handles) =
                fidl::encoding::decode_union_inline_portion(decoder, offset)?;

            let member_inline_size = match ordinal {
                1 => <fidl_fuchsia_net__common::Subnet as fidl::encoding::TypeMarker>::inline_size(
                    decoder.context,
                ),
                2 => <AddressRange as fidl::encoding::TypeMarker>::inline_size(decoder.context),
                0 => return Err(fidl::Error::UnknownUnionTag),
                _ => num_bytes as usize,
            };

            if inlined != (member_inline_size <= 4) {
                return Err(fidl::Error::InvalidInlineBitInEnvelope);
            }
            let _inner_offset;
            if inlined {
                decoder.check_inline_envelope_padding(offset + 8, member_inline_size)?;
                _inner_offset = offset + 8;
            } else {
                depth.increment()?;
                _inner_offset = decoder.out_of_line_offset(member_inline_size)?;
            }
            match ordinal {
                1 => {
                    #[allow(irrefutable_let_patterns)]
                    if let AddressMatcherType::Subnet(_) = self {
                        // Do nothing, read the value into the object
                    } else {
                        // Initialize `self` to the right variant
                        *self = AddressMatcherType::Subnet(fidl::new_empty!(
                            fidl_fuchsia_net__common::Subnet,
                            D
                        ));
                    }
                    #[allow(irrefutable_let_patterns)]
                    if let AddressMatcherType::Subnet(ref mut val) = self {
                        fidl::decode!(
                            fidl_fuchsia_net__common::Subnet,
                            D,
                            val,
                            decoder,
                            _inner_offset,
                            depth
                        )?;
                    } else {
                        unreachable!()
                    }
                }
                2 => {
                    #[allow(irrefutable_let_patterns)]
                    if let AddressMatcherType::Range(_) = self {
                        // Do nothing, read the value into the object
                    } else {
                        // Initialize `self` to the right variant
                        *self = AddressMatcherType::Range(fidl::new_empty!(AddressRange, D));
                    }
                    #[allow(irrefutable_let_patterns)]
                    if let AddressMatcherType::Range(ref mut val) = self {
                        fidl::decode!(AddressRange, D, val, decoder, _inner_offset, depth)?;
                    } else {
                        unreachable!()
                    }
                }
                #[allow(deprecated)]
                ordinal => {
                    for _ in 0..num_handles {
                        decoder.drop_next_handle()?;
                    }
                    *self = AddressMatcherType::__SourceBreaking { unknown_ordinal: ordinal };
                }
            }
            if !inlined && decoder.next_out_of_line() != next_out_of_line + (num_bytes as usize) {
                return Err(fidl::Error::InvalidNumBytesInEnvelope);
            }
            if handles_before != decoder.remaining_handles() + (num_handles as usize) {
                return Err(fidl::Error::InvalidNumHandlesInEnvelope);
            }
            Ok(())
        }
    }

    impl fidl::encoding::ValueTypeMarker for Interface {
        type Borrowed<'a> = &'a Self;
        fn borrow(value: &<Self as fidl::encoding::TypeMarker>::Owned) -> Self::Borrowed<'_> {
            value
        }
    }

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

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

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

    unsafe impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Encode<Interface, D>
        for &Interface
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_, D>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<Interface>(offset);
            encoder.write_num::<u64>(self.ordinal(), offset);
            match self {
            Interface::Id(ref val) => {
                fidl::encoding::encode_in_envelope::<u64, D>(
                    <u64 as fidl::encoding::ValueTypeMarker>::borrow(val),
                    encoder, offset + 8, _depth
                )
            }
            Interface::Name(ref val) => {
                fidl::encoding::encode_in_envelope::<fidl::encoding::BoundedString<15>, D>(
                    <fidl::encoding::BoundedString<15> as fidl::encoding::ValueTypeMarker>::borrow(val),
                    encoder, offset + 8, _depth
                )
            }
            Interface::PortClass(ref val) => {
                fidl::encoding::encode_in_envelope::<fidl_fuchsia_net_interfaces__common::PortClass, D>(
                    <fidl_fuchsia_net_interfaces__common::PortClass as fidl::encoding::ValueTypeMarker>::borrow(val),
                    encoder, offset + 8, _depth
                )
            }
            Interface::__SourceBreaking { .. } => Err(fidl::Error::UnknownUnionTag),
        }
        }
    }

    impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Decode<Self, D> for Interface {
        #[inline(always)]
        fn new_empty() -> Self {
            Self::__SourceBreaking { unknown_ordinal: 0 }
        }

        #[inline]
        unsafe fn decode(
            &mut self,
            decoder: &mut fidl::encoding::Decoder<'_, D>,
            offset: usize,
            mut depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            decoder.debug_check_bounds::<Self>(offset);
            #[allow(unused_variables)]
            let next_out_of_line = decoder.next_out_of_line();
            let handles_before = decoder.remaining_handles();
            let (ordinal, inlined, num_bytes, num_handles) =
                fidl::encoding::decode_union_inline_portion(decoder, offset)?;

            let member_inline_size = match ordinal {
            1 => <u64 as fidl::encoding::TypeMarker>::inline_size(decoder.context),
            2 => <fidl::encoding::BoundedString<15> as fidl::encoding::TypeMarker>::inline_size(decoder.context),
            3 => <fidl_fuchsia_net_interfaces__common::PortClass as fidl::encoding::TypeMarker>::inline_size(decoder.context),
            0 => return Err(fidl::Error::UnknownUnionTag),
            _ => num_bytes as usize,
        };

            if inlined != (member_inline_size <= 4) {
                return Err(fidl::Error::InvalidInlineBitInEnvelope);
            }
            let _inner_offset;
            if inlined {
                decoder.check_inline_envelope_padding(offset + 8, member_inline_size)?;
                _inner_offset = offset + 8;
            } else {
                depth.increment()?;
                _inner_offset = decoder.out_of_line_offset(member_inline_size)?;
            }
            match ordinal {
                1 => {
                    #[allow(irrefutable_let_patterns)]
                    if let Interface::Id(_) = self {
                        // Do nothing, read the value into the object
                    } else {
                        // Initialize `self` to the right variant
                        *self = Interface::Id(fidl::new_empty!(u64, D));
                    }
                    #[allow(irrefutable_let_patterns)]
                    if let Interface::Id(ref mut val) = self {
                        fidl::decode!(u64, D, val, decoder, _inner_offset, depth)?;
                    } else {
                        unreachable!()
                    }
                }
                2 => {
                    #[allow(irrefutable_let_patterns)]
                    if let Interface::Name(_) = self {
                        // Do nothing, read the value into the object
                    } else {
                        // Initialize `self` to the right variant
                        *self =
                            Interface::Name(fidl::new_empty!(fidl::encoding::BoundedString<15>, D));
                    }
                    #[allow(irrefutable_let_patterns)]
                    if let Interface::Name(ref mut val) = self {
                        fidl::decode!(
                            fidl::encoding::BoundedString<15>,
                            D,
                            val,
                            decoder,
                            _inner_offset,
                            depth
                        )?;
                    } else {
                        unreachable!()
                    }
                }
                3 => {
                    #[allow(irrefutable_let_patterns)]
                    if let Interface::PortClass(_) = self {
                        // Do nothing, read the value into the object
                    } else {
                        // Initialize `self` to the right variant
                        *self = Interface::PortClass(fidl::new_empty!(
                            fidl_fuchsia_net_interfaces__common::PortClass,
                            D
                        ));
                    }
                    #[allow(irrefutable_let_patterns)]
                    if let Interface::PortClass(ref mut val) = self {
                        fidl::decode!(
                            fidl_fuchsia_net_interfaces__common::PortClass,
                            D,
                            val,
                            decoder,
                            _inner_offset,
                            depth
                        )?;
                    } else {
                        unreachable!()
                    }
                }
                #[allow(deprecated)]
                ordinal => {
                    for _ in 0..num_handles {
                        decoder.drop_next_handle()?;
                    }
                    *self = Interface::__SourceBreaking { unknown_ordinal: ordinal };
                }
            }
            if !inlined && decoder.next_out_of_line() != next_out_of_line + (num_bytes as usize) {
                return Err(fidl::Error::InvalidNumBytesInEnvelope);
            }
            if handles_before != decoder.remaining_handles() + (num_handles as usize) {
                return Err(fidl::Error::InvalidNumHandlesInEnvelope);
            }
            Ok(())
        }
    }

    impl fidl::encoding::ValueTypeMarker for PacketTransportProtocol {
        type Borrowed<'a> = &'a Self;
        fn borrow(value: &<Self as fidl::encoding::TypeMarker>::Owned) -> Self::Borrowed<'_> {
            value
        }
    }

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

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

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

    unsafe impl<D: fidl::encoding::ResourceDialect>
        fidl::encoding::Encode<PacketTransportProtocol, D> for &PacketTransportProtocol
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_, D>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<PacketTransportProtocol>(offset);
            encoder.write_num::<u64>(self.ordinal(), offset);
            match self {
                PacketTransportProtocol::Tcp(ref val) => {
                    fidl::encoding::encode_in_envelope::<TcpPacket, D>(
                        <TcpPacket as fidl::encoding::ValueTypeMarker>::borrow(val),
                        encoder,
                        offset + 8,
                        _depth,
                    )
                }
                PacketTransportProtocol::Udp(ref val) => {
                    fidl::encoding::encode_in_envelope::<UdpPacket, D>(
                        <UdpPacket as fidl::encoding::ValueTypeMarker>::borrow(val),
                        encoder,
                        offset + 8,
                        _depth,
                    )
                }
                PacketTransportProtocol::Icmp(ref val) => {
                    fidl::encoding::encode_in_envelope::<IcmpPacket, D>(
                        <IcmpPacket as fidl::encoding::ValueTypeMarker>::borrow(val),
                        encoder,
                        offset + 8,
                        _depth,
                    )
                }
                PacketTransportProtocol::Icmpv6(ref val) => {
                    fidl::encoding::encode_in_envelope::<Icmpv6Packet, D>(
                        <Icmpv6Packet as fidl::encoding::ValueTypeMarker>::borrow(val),
                        encoder,
                        offset + 8,
                        _depth,
                    )
                }
                PacketTransportProtocol::__SourceBreaking { .. } => {
                    Err(fidl::Error::UnknownUnionTag)
                }
            }
        }
    }

    impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Decode<Self, D>
        for PacketTransportProtocol
    {
        #[inline(always)]
        fn new_empty() -> Self {
            Self::__SourceBreaking { unknown_ordinal: 0 }
        }

        #[inline]
        unsafe fn decode(
            &mut self,
            decoder: &mut fidl::encoding::Decoder<'_, D>,
            offset: usize,
            mut depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            decoder.debug_check_bounds::<Self>(offset);
            #[allow(unused_variables)]
            let next_out_of_line = decoder.next_out_of_line();
            let handles_before = decoder.remaining_handles();
            let (ordinal, inlined, num_bytes, num_handles) =
                fidl::encoding::decode_union_inline_portion(decoder, offset)?;

            let member_inline_size = match ordinal {
                1 => <TcpPacket as fidl::encoding::TypeMarker>::inline_size(decoder.context),
                2 => <UdpPacket as fidl::encoding::TypeMarker>::inline_size(decoder.context),
                3 => <IcmpPacket as fidl::encoding::TypeMarker>::inline_size(decoder.context),
                4 => <Icmpv6Packet as fidl::encoding::TypeMarker>::inline_size(decoder.context),
                0 => return Err(fidl::Error::UnknownUnionTag),
                _ => num_bytes as usize,
            };

            if inlined != (member_inline_size <= 4) {
                return Err(fidl::Error::InvalidInlineBitInEnvelope);
            }
            let _inner_offset;
            if inlined {
                decoder.check_inline_envelope_padding(offset + 8, member_inline_size)?;
                _inner_offset = offset + 8;
            } else {
                depth.increment()?;
                _inner_offset = decoder.out_of_line_offset(member_inline_size)?;
            }
            match ordinal {
                1 => {
                    #[allow(irrefutable_let_patterns)]
                    if let PacketTransportProtocol::Tcp(_) = self {
                        // Do nothing, read the value into the object
                    } else {
                        // Initialize `self` to the right variant
                        *self = PacketTransportProtocol::Tcp(fidl::new_empty!(TcpPacket, D));
                    }
                    #[allow(irrefutable_let_patterns)]
                    if let PacketTransportProtocol::Tcp(ref mut val) = self {
                        fidl::decode!(TcpPacket, D, val, decoder, _inner_offset, depth)?;
                    } else {
                        unreachable!()
                    }
                }
                2 => {
                    #[allow(irrefutable_let_patterns)]
                    if let PacketTransportProtocol::Udp(_) = self {
                        // Do nothing, read the value into the object
                    } else {
                        // Initialize `self` to the right variant
                        *self = PacketTransportProtocol::Udp(fidl::new_empty!(UdpPacket, D));
                    }
                    #[allow(irrefutable_let_patterns)]
                    if let PacketTransportProtocol::Udp(ref mut val) = self {
                        fidl::decode!(UdpPacket, D, val, decoder, _inner_offset, depth)?;
                    } else {
                        unreachable!()
                    }
                }
                3 => {
                    #[allow(irrefutable_let_patterns)]
                    if let PacketTransportProtocol::Icmp(_) = self {
                        // Do nothing, read the value into the object
                    } else {
                        // Initialize `self` to the right variant
                        *self = PacketTransportProtocol::Icmp(fidl::new_empty!(IcmpPacket, D));
                    }
                    #[allow(irrefutable_let_patterns)]
                    if let PacketTransportProtocol::Icmp(ref mut val) = self {
                        fidl::decode!(IcmpPacket, D, val, decoder, _inner_offset, depth)?;
                    } else {
                        unreachable!()
                    }
                }
                4 => {
                    #[allow(irrefutable_let_patterns)]
                    if let PacketTransportProtocol::Icmpv6(_) = self {
                        // Do nothing, read the value into the object
                    } else {
                        // Initialize `self` to the right variant
                        *self = PacketTransportProtocol::Icmpv6(fidl::new_empty!(Icmpv6Packet, D));
                    }
                    #[allow(irrefutable_let_patterns)]
                    if let PacketTransportProtocol::Icmpv6(ref mut val) = self {
                        fidl::decode!(Icmpv6Packet, D, val, decoder, _inner_offset, depth)?;
                    } else {
                        unreachable!()
                    }
                }
                #[allow(deprecated)]
                ordinal => {
                    for _ in 0..num_handles {
                        decoder.drop_next_handle()?;
                    }
                    *self = PacketTransportProtocol::__SourceBreaking { unknown_ordinal: ordinal };
                }
            }
            if !inlined && decoder.next_out_of_line() != next_out_of_line + (num_bytes as usize) {
                return Err(fidl::Error::InvalidNumBytesInEnvelope);
            }
            if handles_before != decoder.remaining_handles() + (num_handles as usize) {
                return Err(fidl::Error::InvalidNumHandlesInEnvelope);
            }
            Ok(())
        }
    }

    impl fidl::encoding::ValueTypeMarker for SocketTransportProtocol {
        type Borrowed<'a> = &'a Self;
        fn borrow(value: &<Self as fidl::encoding::TypeMarker>::Owned) -> Self::Borrowed<'_> {
            value
        }
    }

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

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

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

    unsafe impl<D: fidl::encoding::ResourceDialect>
        fidl::encoding::Encode<SocketTransportProtocol, D> for &SocketTransportProtocol
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_, D>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<SocketTransportProtocol>(offset);
            encoder.write_num::<u64>(self.ordinal(), offset);
            match self {
                SocketTransportProtocol::Tcp(ref val) => {
                    fidl::encoding::encode_in_envelope::<TcpSocket, D>(
                        <TcpSocket as fidl::encoding::ValueTypeMarker>::borrow(val),
                        encoder,
                        offset + 8,
                        _depth,
                    )
                }
                SocketTransportProtocol::Udp(ref val) => {
                    fidl::encoding::encode_in_envelope::<UdpSocket, D>(
                        <UdpSocket as fidl::encoding::ValueTypeMarker>::borrow(val),
                        encoder,
                        offset + 8,
                        _depth,
                    )
                }
                SocketTransportProtocol::__SourceBreaking { .. } => {
                    Err(fidl::Error::UnknownUnionTag)
                }
            }
        }
    }

    impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Decode<Self, D>
        for SocketTransportProtocol
    {
        #[inline(always)]
        fn new_empty() -> Self {
            Self::__SourceBreaking { unknown_ordinal: 0 }
        }

        #[inline]
        unsafe fn decode(
            &mut self,
            decoder: &mut fidl::encoding::Decoder<'_, D>,
            offset: usize,
            mut depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            decoder.debug_check_bounds::<Self>(offset);
            #[allow(unused_variables)]
            let next_out_of_line = decoder.next_out_of_line();
            let handles_before = decoder.remaining_handles();
            let (ordinal, inlined, num_bytes, num_handles) =
                fidl::encoding::decode_union_inline_portion(decoder, offset)?;

            let member_inline_size = match ordinal {
                1 => <TcpSocket as fidl::encoding::TypeMarker>::inline_size(decoder.context),
                2 => <UdpSocket as fidl::encoding::TypeMarker>::inline_size(decoder.context),
                0 => return Err(fidl::Error::UnknownUnionTag),
                _ => num_bytes as usize,
            };

            if inlined != (member_inline_size <= 4) {
                return Err(fidl::Error::InvalidInlineBitInEnvelope);
            }
            let _inner_offset;
            if inlined {
                decoder.check_inline_envelope_padding(offset + 8, member_inline_size)?;
                _inner_offset = offset + 8;
            } else {
                depth.increment()?;
                _inner_offset = decoder.out_of_line_offset(member_inline_size)?;
            }
            match ordinal {
                1 => {
                    #[allow(irrefutable_let_patterns)]
                    if let SocketTransportProtocol::Tcp(_) = self {
                        // Do nothing, read the value into the object
                    } else {
                        // Initialize `self` to the right variant
                        *self = SocketTransportProtocol::Tcp(fidl::new_empty!(TcpSocket, D));
                    }
                    #[allow(irrefutable_let_patterns)]
                    if let SocketTransportProtocol::Tcp(ref mut val) = self {
                        fidl::decode!(TcpSocket, D, val, decoder, _inner_offset, depth)?;
                    } else {
                        unreachable!()
                    }
                }
                2 => {
                    #[allow(irrefutable_let_patterns)]
                    if let SocketTransportProtocol::Udp(_) = self {
                        // Do nothing, read the value into the object
                    } else {
                        // Initialize `self` to the right variant
                        *self = SocketTransportProtocol::Udp(fidl::new_empty!(UdpSocket, D));
                    }
                    #[allow(irrefutable_let_patterns)]
                    if let SocketTransportProtocol::Udp(ref mut val) = self {
                        fidl::decode!(UdpSocket, D, val, decoder, _inner_offset, depth)?;
                    } else {
                        unreachable!()
                    }
                }
                #[allow(deprecated)]
                ordinal => {
                    for _ in 0..num_handles {
                        decoder.drop_next_handle()?;
                    }
                    *self = SocketTransportProtocol::__SourceBreaking { unknown_ordinal: ordinal };
                }
            }
            if !inlined && decoder.next_out_of_line() != next_out_of_line + (num_bytes as usize) {
                return Err(fidl::Error::InvalidNumBytesInEnvelope);
            }
            if handles_before != decoder.remaining_handles() + (num_handles as usize) {
                return Err(fidl::Error::InvalidNumHandlesInEnvelope);
            }
            Ok(())
        }
    }

    impl fidl::encoding::ValueTypeMarker for TcpSocket {
        type Borrowed<'a> = &'a Self;
        fn borrow(value: &<Self as fidl::encoding::TypeMarker>::Owned) -> Self::Borrowed<'_> {
            value
        }
    }

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

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

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

    unsafe impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Encode<TcpSocket, D>
        for &TcpSocket
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_, D>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<TcpSocket>(offset);
            encoder.write_num::<u64>(self.ordinal(), offset);
            match self {
                TcpSocket::Empty(ref val) => fidl::encoding::encode_in_envelope::<Empty, D>(
                    <Empty as fidl::encoding::ValueTypeMarker>::borrow(val),
                    encoder,
                    offset + 8,
                    _depth,
                ),
                TcpSocket::SrcPort(ref val) => fidl::encoding::encode_in_envelope::<Port, D>(
                    <Port as fidl::encoding::ValueTypeMarker>::borrow(val),
                    encoder,
                    offset + 8,
                    _depth,
                ),
                TcpSocket::DstPort(ref val) => fidl::encoding::encode_in_envelope::<Port, D>(
                    <Port as fidl::encoding::ValueTypeMarker>::borrow(val),
                    encoder,
                    offset + 8,
                    _depth,
                ),
                TcpSocket::States(ref val) => fidl::encoding::encode_in_envelope::<TcpState, D>(
                    <TcpState as fidl::encoding::ValueTypeMarker>::borrow(val),
                    encoder,
                    offset + 8,
                    _depth,
                ),
                TcpSocket::__SourceBreaking { .. } => Err(fidl::Error::UnknownUnionTag),
            }
        }
    }

    impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Decode<Self, D> for TcpSocket {
        #[inline(always)]
        fn new_empty() -> Self {
            Self::__SourceBreaking { unknown_ordinal: 0 }
        }

        #[inline]
        unsafe fn decode(
            &mut self,
            decoder: &mut fidl::encoding::Decoder<'_, D>,
            offset: usize,
            mut depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            decoder.debug_check_bounds::<Self>(offset);
            #[allow(unused_variables)]
            let next_out_of_line = decoder.next_out_of_line();
            let handles_before = decoder.remaining_handles();
            let (ordinal, inlined, num_bytes, num_handles) =
                fidl::encoding::decode_union_inline_portion(decoder, offset)?;

            let member_inline_size = match ordinal {
                1 => <Empty as fidl::encoding::TypeMarker>::inline_size(decoder.context),
                2 => <Port as fidl::encoding::TypeMarker>::inline_size(decoder.context),
                3 => <Port as fidl::encoding::TypeMarker>::inline_size(decoder.context),
                4 => <TcpState as fidl::encoding::TypeMarker>::inline_size(decoder.context),
                0 => return Err(fidl::Error::UnknownUnionTag),
                _ => num_bytes as usize,
            };

            if inlined != (member_inline_size <= 4) {
                return Err(fidl::Error::InvalidInlineBitInEnvelope);
            }
            let _inner_offset;
            if inlined {
                decoder.check_inline_envelope_padding(offset + 8, member_inline_size)?;
                _inner_offset = offset + 8;
            } else {
                depth.increment()?;
                _inner_offset = decoder.out_of_line_offset(member_inline_size)?;
            }
            match ordinal {
                1 => {
                    #[allow(irrefutable_let_patterns)]
                    if let TcpSocket::Empty(_) = self {
                        // Do nothing, read the value into the object
                    } else {
                        // Initialize `self` to the right variant
                        *self = TcpSocket::Empty(fidl::new_empty!(Empty, D));
                    }
                    #[allow(irrefutable_let_patterns)]
                    if let TcpSocket::Empty(ref mut val) = self {
                        fidl::decode!(Empty, D, val, decoder, _inner_offset, depth)?;
                    } else {
                        unreachable!()
                    }
                }
                2 => {
                    #[allow(irrefutable_let_patterns)]
                    if let TcpSocket::SrcPort(_) = self {
                        // Do nothing, read the value into the object
                    } else {
                        // Initialize `self` to the right variant
                        *self = TcpSocket::SrcPort(fidl::new_empty!(Port, D));
                    }
                    #[allow(irrefutable_let_patterns)]
                    if let TcpSocket::SrcPort(ref mut val) = self {
                        fidl::decode!(Port, D, val, decoder, _inner_offset, depth)?;
                    } else {
                        unreachable!()
                    }
                }
                3 => {
                    #[allow(irrefutable_let_patterns)]
                    if let TcpSocket::DstPort(_) = self {
                        // Do nothing, read the value into the object
                    } else {
                        // Initialize `self` to the right variant
                        *self = TcpSocket::DstPort(fidl::new_empty!(Port, D));
                    }
                    #[allow(irrefutable_let_patterns)]
                    if let TcpSocket::DstPort(ref mut val) = self {
                        fidl::decode!(Port, D, val, decoder, _inner_offset, depth)?;
                    } else {
                        unreachable!()
                    }
                }
                4 => {
                    #[allow(irrefutable_let_patterns)]
                    if let TcpSocket::States(_) = self {
                        // Do nothing, read the value into the object
                    } else {
                        // Initialize `self` to the right variant
                        *self = TcpSocket::States(fidl::new_empty!(TcpState, D));
                    }
                    #[allow(irrefutable_let_patterns)]
                    if let TcpSocket::States(ref mut val) = self {
                        fidl::decode!(TcpState, D, val, decoder, _inner_offset, depth)?;
                    } else {
                        unreachable!()
                    }
                }
                #[allow(deprecated)]
                ordinal => {
                    for _ in 0..num_handles {
                        decoder.drop_next_handle()?;
                    }
                    *self = TcpSocket::__SourceBreaking { unknown_ordinal: ordinal };
                }
            }
            if !inlined && decoder.next_out_of_line() != next_out_of_line + (num_bytes as usize) {
                return Err(fidl::Error::InvalidNumBytesInEnvelope);
            }
            if handles_before != decoder.remaining_handles() + (num_handles as usize) {
                return Err(fidl::Error::InvalidNumHandlesInEnvelope);
            }
            Ok(())
        }
    }

    impl fidl::encoding::ValueTypeMarker for UdpSocket {
        type Borrowed<'a> = &'a Self;
        fn borrow(value: &<Self as fidl::encoding::TypeMarker>::Owned) -> Self::Borrowed<'_> {
            value
        }
    }

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

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

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

    unsafe impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Encode<UdpSocket, D>
        for &UdpSocket
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_, D>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<UdpSocket>(offset);
            encoder.write_num::<u64>(self.ordinal(), offset);
            match self {
                UdpSocket::Empty(ref val) => fidl::encoding::encode_in_envelope::<Empty, D>(
                    <Empty as fidl::encoding::ValueTypeMarker>::borrow(val),
                    encoder,
                    offset + 8,
                    _depth,
                ),
                UdpSocket::SrcPort(ref val) => fidl::encoding::encode_in_envelope::<Port, D>(
                    <Port as fidl::encoding::ValueTypeMarker>::borrow(val),
                    encoder,
                    offset + 8,
                    _depth,
                ),
                UdpSocket::DstPort(ref val) => fidl::encoding::encode_in_envelope::<Port, D>(
                    <Port as fidl::encoding::ValueTypeMarker>::borrow(val),
                    encoder,
                    offset + 8,
                    _depth,
                ),
                UdpSocket::States(ref val) => fidl::encoding::encode_in_envelope::<UdpState, D>(
                    <UdpState as fidl::encoding::ValueTypeMarker>::borrow(val),
                    encoder,
                    offset + 8,
                    _depth,
                ),
                UdpSocket::__SourceBreaking { .. } => Err(fidl::Error::UnknownUnionTag),
            }
        }
    }

    impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Decode<Self, D> for UdpSocket {
        #[inline(always)]
        fn new_empty() -> Self {
            Self::__SourceBreaking { unknown_ordinal: 0 }
        }

        #[inline]
        unsafe fn decode(
            &mut self,
            decoder: &mut fidl::encoding::Decoder<'_, D>,
            offset: usize,
            mut depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            decoder.debug_check_bounds::<Self>(offset);
            #[allow(unused_variables)]
            let next_out_of_line = decoder.next_out_of_line();
            let handles_before = decoder.remaining_handles();
            let (ordinal, inlined, num_bytes, num_handles) =
                fidl::encoding::decode_union_inline_portion(decoder, offset)?;

            let member_inline_size = match ordinal {
                1 => <Empty as fidl::encoding::TypeMarker>::inline_size(decoder.context),
                2 => <Port as fidl::encoding::TypeMarker>::inline_size(decoder.context),
                3 => <Port as fidl::encoding::TypeMarker>::inline_size(decoder.context),
                4 => <UdpState as fidl::encoding::TypeMarker>::inline_size(decoder.context),
                0 => return Err(fidl::Error::UnknownUnionTag),
                _ => num_bytes as usize,
            };

            if inlined != (member_inline_size <= 4) {
                return Err(fidl::Error::InvalidInlineBitInEnvelope);
            }
            let _inner_offset;
            if inlined {
                decoder.check_inline_envelope_padding(offset + 8, member_inline_size)?;
                _inner_offset = offset + 8;
            } else {
                depth.increment()?;
                _inner_offset = decoder.out_of_line_offset(member_inline_size)?;
            }
            match ordinal {
                1 => {
                    #[allow(irrefutable_let_patterns)]
                    if let UdpSocket::Empty(_) = self {
                        // Do nothing, read the value into the object
                    } else {
                        // Initialize `self` to the right variant
                        *self = UdpSocket::Empty(fidl::new_empty!(Empty, D));
                    }
                    #[allow(irrefutable_let_patterns)]
                    if let UdpSocket::Empty(ref mut val) = self {
                        fidl::decode!(Empty, D, val, decoder, _inner_offset, depth)?;
                    } else {
                        unreachable!()
                    }
                }
                2 => {
                    #[allow(irrefutable_let_patterns)]
                    if let UdpSocket::SrcPort(_) = self {
                        // Do nothing, read the value into the object
                    } else {
                        // Initialize `self` to the right variant
                        *self = UdpSocket::SrcPort(fidl::new_empty!(Port, D));
                    }
                    #[allow(irrefutable_let_patterns)]
                    if let UdpSocket::SrcPort(ref mut val) = self {
                        fidl::decode!(Port, D, val, decoder, _inner_offset, depth)?;
                    } else {
                        unreachable!()
                    }
                }
                3 => {
                    #[allow(irrefutable_let_patterns)]
                    if let UdpSocket::DstPort(_) = self {
                        // Do nothing, read the value into the object
                    } else {
                        // Initialize `self` to the right variant
                        *self = UdpSocket::DstPort(fidl::new_empty!(Port, D));
                    }
                    #[allow(irrefutable_let_patterns)]
                    if let UdpSocket::DstPort(ref mut val) = self {
                        fidl::decode!(Port, D, val, decoder, _inner_offset, depth)?;
                    } else {
                        unreachable!()
                    }
                }
                4 => {
                    #[allow(irrefutable_let_patterns)]
                    if let UdpSocket::States(_) = self {
                        // Do nothing, read the value into the object
                    } else {
                        // Initialize `self` to the right variant
                        *self = UdpSocket::States(fidl::new_empty!(UdpState, D));
                    }
                    #[allow(irrefutable_let_patterns)]
                    if let UdpSocket::States(ref mut val) = self {
                        fidl::decode!(UdpState, D, val, decoder, _inner_offset, depth)?;
                    } else {
                        unreachable!()
                    }
                }
                #[allow(deprecated)]
                ordinal => {
                    for _ in 0..num_handles {
                        decoder.drop_next_handle()?;
                    }
                    *self = UdpSocket::__SourceBreaking { unknown_ordinal: ordinal };
                }
            }
            if !inlined && decoder.next_out_of_line() != next_out_of_line + (num_bytes as usize) {
                return Err(fidl::Error::InvalidNumBytesInEnvelope);
            }
            if handles_before != decoder.remaining_handles() + (num_handles as usize) {
                return Err(fidl::Error::InvalidNumHandlesInEnvelope);
            }
            Ok(())
        }
    }
}