Files
another-boids-in-rust/vendor/wasip2/src/imports.rs

10239 lines
514 KiB
Rust

// Generated by `wit-bindgen` 0.46.0. DO NOT EDIT!
// Options used:
// * std_feature
// * type_section_suffix: "rust-wasip2-1.0.1+wasi-0.2.4-from-crates-io"
#[rustfmt::skip]
#[allow(dead_code, clippy::all)]
pub mod wasi {
pub mod cli {
#[allow(dead_code, async_fn_in_trait, unused_imports, clippy::all)]
pub mod environment {
#[used]
#[doc(hidden)]
static __FORCE_SECTION_REF: fn() = super::super::super::__link_custom_section_describing_imports;
use super::super::super::_rt;
#[allow(unused_unsafe, clippy::all)]
/// Get the POSIX-style environment variables.
///
/// Each environment variable is provided as a pair of string variable names
/// and string value.
///
/// Morally, these are a value import, but until value imports are available
/// in the component model, this import function should return the same
/// values each time it is called.
#[allow(async_fn_in_trait)]
pub fn get_environment() -> _rt::Vec<(_rt::String, _rt::String)> {
unsafe {
#[cfg_attr(target_pointer_width = "64", repr(align(8)))]
#[cfg_attr(target_pointer_width = "32", repr(align(4)))]
struct RetArea(
[::core::mem::MaybeUninit<
u8,
>; 2 * ::core::mem::size_of::<*const u8>()],
);
let mut ret_area = RetArea(
[::core::mem::MaybeUninit::uninit(); 2
* ::core::mem::size_of::<*const u8>()],
);
let ptr0 = ret_area.0.as_mut_ptr().cast::<u8>();
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:cli/environment@0.2.4")]
unsafe extern "C" {
#[link_name = "get-environment"]
fn wit_import1(_: *mut u8);
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import1(_: *mut u8) {
unreachable!()
}
wit_import1(ptr0);
let l2 = *ptr0.add(0).cast::<*mut u8>();
let l3 = *ptr0
.add(::core::mem::size_of::<*const u8>())
.cast::<usize>();
let base10 = l2;
let len10 = l3;
let mut result10 = _rt::Vec::with_capacity(len10);
for i in 0..len10 {
let base = base10
.add(i * (4 * ::core::mem::size_of::<*const u8>()));
let e10 = {
let l4 = *base.add(0).cast::<*mut u8>();
let l5 = *base
.add(::core::mem::size_of::<*const u8>())
.cast::<usize>();
let len6 = l5;
let bytes6 = _rt::Vec::from_raw_parts(l4.cast(), len6, len6);
let l7 = *base
.add(2 * ::core::mem::size_of::<*const u8>())
.cast::<*mut u8>();
let l8 = *base
.add(3 * ::core::mem::size_of::<*const u8>())
.cast::<usize>();
let len9 = l8;
let bytes9 = _rt::Vec::from_raw_parts(l7.cast(), len9, len9);
(_rt::string_lift(bytes6), _rt::string_lift(bytes9))
};
result10.push(e10);
}
_rt::cabi_dealloc(
base10,
len10 * (4 * ::core::mem::size_of::<*const u8>()),
::core::mem::size_of::<*const u8>(),
);
let result11 = result10;
result11
}
}
#[allow(unused_unsafe, clippy::all)]
/// Get the POSIX-style arguments to the program.
#[allow(async_fn_in_trait)]
pub fn get_arguments() -> _rt::Vec<_rt::String> {
unsafe {
#[cfg_attr(target_pointer_width = "64", repr(align(8)))]
#[cfg_attr(target_pointer_width = "32", repr(align(4)))]
struct RetArea(
[::core::mem::MaybeUninit<
u8,
>; 2 * ::core::mem::size_of::<*const u8>()],
);
let mut ret_area = RetArea(
[::core::mem::MaybeUninit::uninit(); 2
* ::core::mem::size_of::<*const u8>()],
);
let ptr0 = ret_area.0.as_mut_ptr().cast::<u8>();
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:cli/environment@0.2.4")]
unsafe extern "C" {
#[link_name = "get-arguments"]
fn wit_import1(_: *mut u8);
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import1(_: *mut u8) {
unreachable!()
}
wit_import1(ptr0);
let l2 = *ptr0.add(0).cast::<*mut u8>();
let l3 = *ptr0
.add(::core::mem::size_of::<*const u8>())
.cast::<usize>();
let base7 = l2;
let len7 = l3;
let mut result7 = _rt::Vec::with_capacity(len7);
for i in 0..len7 {
let base = base7
.add(i * (2 * ::core::mem::size_of::<*const u8>()));
let e7 = {
let l4 = *base.add(0).cast::<*mut u8>();
let l5 = *base
.add(::core::mem::size_of::<*const u8>())
.cast::<usize>();
let len6 = l5;
let bytes6 = _rt::Vec::from_raw_parts(l4.cast(), len6, len6);
_rt::string_lift(bytes6)
};
result7.push(e7);
}
_rt::cabi_dealloc(
base7,
len7 * (2 * ::core::mem::size_of::<*const u8>()),
::core::mem::size_of::<*const u8>(),
);
let result8 = result7;
result8
}
}
#[allow(unused_unsafe, clippy::all)]
/// Return a path that programs should use as their initial current working
/// directory, interpreting `.` as shorthand for this.
#[allow(async_fn_in_trait)]
pub fn initial_cwd() -> Option<_rt::String> {
unsafe {
#[cfg_attr(target_pointer_width = "64", repr(align(8)))]
#[cfg_attr(target_pointer_width = "32", repr(align(4)))]
struct RetArea(
[::core::mem::MaybeUninit<
u8,
>; 3 * ::core::mem::size_of::<*const u8>()],
);
let mut ret_area = RetArea(
[::core::mem::MaybeUninit::uninit(); 3
* ::core::mem::size_of::<*const u8>()],
);
let ptr0 = ret_area.0.as_mut_ptr().cast::<u8>();
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:cli/environment@0.2.4")]
unsafe extern "C" {
#[link_name = "initial-cwd"]
fn wit_import1(_: *mut u8);
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import1(_: *mut u8) {
unreachable!()
}
wit_import1(ptr0);
let l2 = i32::from(*ptr0.add(0).cast::<u8>());
let result6 = match l2 {
0 => None,
1 => {
let e = {
let l3 = *ptr0
.add(::core::mem::size_of::<*const u8>())
.cast::<*mut u8>();
let l4 = *ptr0
.add(2 * ::core::mem::size_of::<*const u8>())
.cast::<usize>();
let len5 = l4;
let bytes5 = _rt::Vec::from_raw_parts(
l3.cast(),
len5,
len5,
);
_rt::string_lift(bytes5)
};
Some(e)
}
_ => _rt::invalid_enum_discriminant(),
};
result6
}
}
}
#[allow(dead_code, async_fn_in_trait, unused_imports, clippy::all)]
pub mod exit {
#[used]
#[doc(hidden)]
static __FORCE_SECTION_REF: fn() = super::super::super::__link_custom_section_describing_imports;
#[allow(unused_unsafe, clippy::all)]
/// Exit the current instance and any linked instances.
#[allow(async_fn_in_trait)]
pub fn exit(status: Result<(), ()>) -> () {
unsafe {
let result0 = match status {
Ok(_) => 0i32,
Err(_) => 1i32,
};
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:cli/exit@0.2.4")]
unsafe extern "C" {
#[link_name = "exit"]
fn wit_import1(_: i32);
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import1(_: i32) {
unreachable!()
}
wit_import1(result0);
}
}
}
#[allow(dead_code, async_fn_in_trait, unused_imports, clippy::all)]
pub mod stdin {
#[used]
#[doc(hidden)]
static __FORCE_SECTION_REF: fn() = super::super::super::__link_custom_section_describing_imports;
pub type InputStream = super::super::super::wasi::io::streams::InputStream;
#[allow(unused_unsafe, clippy::all)]
#[allow(async_fn_in_trait)]
pub fn get_stdin() -> InputStream {
unsafe {
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:cli/stdin@0.2.4")]
unsafe extern "C" {
#[link_name = "get-stdin"]
fn wit_import0() -> i32;
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import0() -> i32 {
unreachable!()
}
let ret = wit_import0();
super::super::super::wasi::io::streams::InputStream::from_handle(
ret as u32,
)
}
}
}
#[allow(dead_code, async_fn_in_trait, unused_imports, clippy::all)]
pub mod stdout {
#[used]
#[doc(hidden)]
static __FORCE_SECTION_REF: fn() = super::super::super::__link_custom_section_describing_imports;
pub type OutputStream = super::super::super::wasi::io::streams::OutputStream;
#[allow(unused_unsafe, clippy::all)]
#[allow(async_fn_in_trait)]
pub fn get_stdout() -> OutputStream {
unsafe {
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:cli/stdout@0.2.4")]
unsafe extern "C" {
#[link_name = "get-stdout"]
fn wit_import0() -> i32;
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import0() -> i32 {
unreachable!()
}
let ret = wit_import0();
super::super::super::wasi::io::streams::OutputStream::from_handle(
ret as u32,
)
}
}
}
#[allow(dead_code, async_fn_in_trait, unused_imports, clippy::all)]
pub mod stderr {
#[used]
#[doc(hidden)]
static __FORCE_SECTION_REF: fn() = super::super::super::__link_custom_section_describing_imports;
pub type OutputStream = super::super::super::wasi::io::streams::OutputStream;
#[allow(unused_unsafe, clippy::all)]
#[allow(async_fn_in_trait)]
pub fn get_stderr() -> OutputStream {
unsafe {
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:cli/stderr@0.2.4")]
unsafe extern "C" {
#[link_name = "get-stderr"]
fn wit_import0() -> i32;
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import0() -> i32 {
unreachable!()
}
let ret = wit_import0();
super::super::super::wasi::io::streams::OutputStream::from_handle(
ret as u32,
)
}
}
}
/// Terminal input.
///
/// In the future, this may include functions for disabling echoing,
/// disabling input buffering so that keyboard events are sent through
/// immediately, querying supported features, and so on.
#[allow(dead_code, async_fn_in_trait, unused_imports, clippy::all)]
pub mod terminal_input {
#[used]
#[doc(hidden)]
static __FORCE_SECTION_REF: fn() = super::super::super::__link_custom_section_describing_imports;
use super::super::super::_rt;
/// The input side of a terminal.
#[derive(Debug)]
#[repr(transparent)]
pub struct TerminalInput {
handle: _rt::Resource<TerminalInput>,
}
impl TerminalInput {
#[doc(hidden)]
pub unsafe fn from_handle(handle: u32) -> Self {
Self {
handle: unsafe { _rt::Resource::from_handle(handle) },
}
}
#[doc(hidden)]
pub fn take_handle(&self) -> u32 {
_rt::Resource::take_handle(&self.handle)
}
#[doc(hidden)]
pub fn handle(&self) -> u32 {
_rt::Resource::handle(&self.handle)
}
}
unsafe impl _rt::WasmResource for TerminalInput {
#[inline]
unsafe fn drop(_handle: u32) {
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:cli/terminal-input@0.2.4")]
unsafe extern "C" {
#[link_name = "[resource-drop]terminal-input"]
fn drop(_: i32);
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn drop(_: i32) {
unreachable!()
}
unsafe {
drop(_handle as i32);
}
}
}
}
/// Terminal output.
///
/// In the future, this may include functions for querying the terminal
/// size, being notified of terminal size changes, querying supported
/// features, and so on.
#[allow(dead_code, async_fn_in_trait, unused_imports, clippy::all)]
pub mod terminal_output {
#[used]
#[doc(hidden)]
static __FORCE_SECTION_REF: fn() = super::super::super::__link_custom_section_describing_imports;
use super::super::super::_rt;
/// The output side of a terminal.
#[derive(Debug)]
#[repr(transparent)]
pub struct TerminalOutput {
handle: _rt::Resource<TerminalOutput>,
}
impl TerminalOutput {
#[doc(hidden)]
pub unsafe fn from_handle(handle: u32) -> Self {
Self {
handle: unsafe { _rt::Resource::from_handle(handle) },
}
}
#[doc(hidden)]
pub fn take_handle(&self) -> u32 {
_rt::Resource::take_handle(&self.handle)
}
#[doc(hidden)]
pub fn handle(&self) -> u32 {
_rt::Resource::handle(&self.handle)
}
}
unsafe impl _rt::WasmResource for TerminalOutput {
#[inline]
unsafe fn drop(_handle: u32) {
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:cli/terminal-output@0.2.4")]
unsafe extern "C" {
#[link_name = "[resource-drop]terminal-output"]
fn drop(_: i32);
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn drop(_: i32) {
unreachable!()
}
unsafe {
drop(_handle as i32);
}
}
}
}
/// An interface providing an optional `terminal-input` for stdin as a
/// link-time authority.
#[allow(dead_code, async_fn_in_trait, unused_imports, clippy::all)]
pub mod terminal_stdin {
#[used]
#[doc(hidden)]
static __FORCE_SECTION_REF: fn() = super::super::super::__link_custom_section_describing_imports;
use super::super::super::_rt;
pub type TerminalInput = super::super::super::wasi::cli::terminal_input::TerminalInput;
#[allow(unused_unsafe, clippy::all)]
/// If stdin is connected to a terminal, return a `terminal-input` handle
/// allowing further interaction with it.
#[allow(async_fn_in_trait)]
pub fn get_terminal_stdin() -> Option<TerminalInput> {
unsafe {
#[repr(align(4))]
struct RetArea([::core::mem::MaybeUninit<u8>; 8]);
let mut ret_area = RetArea([::core::mem::MaybeUninit::uninit(); 8]);
let ptr0 = ret_area.0.as_mut_ptr().cast::<u8>();
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:cli/terminal-stdin@0.2.4")]
unsafe extern "C" {
#[link_name = "get-terminal-stdin"]
fn wit_import1(_: *mut u8);
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import1(_: *mut u8) {
unreachable!()
}
wit_import1(ptr0);
let l2 = i32::from(*ptr0.add(0).cast::<u8>());
let result4 = match l2 {
0 => None,
1 => {
let e = {
let l3 = *ptr0.add(4).cast::<i32>();
super::super::super::wasi::cli::terminal_input::TerminalInput::from_handle(
l3 as u32,
)
};
Some(e)
}
_ => _rt::invalid_enum_discriminant(),
};
result4
}
}
}
/// An interface providing an optional `terminal-output` for stdout as a
/// link-time authority.
#[allow(dead_code, async_fn_in_trait, unused_imports, clippy::all)]
pub mod terminal_stdout {
#[used]
#[doc(hidden)]
static __FORCE_SECTION_REF: fn() = super::super::super::__link_custom_section_describing_imports;
use super::super::super::_rt;
pub type TerminalOutput = super::super::super::wasi::cli::terminal_output::TerminalOutput;
#[allow(unused_unsafe, clippy::all)]
/// If stdout is connected to a terminal, return a `terminal-output` handle
/// allowing further interaction with it.
#[allow(async_fn_in_trait)]
pub fn get_terminal_stdout() -> Option<TerminalOutput> {
unsafe {
#[repr(align(4))]
struct RetArea([::core::mem::MaybeUninit<u8>; 8]);
let mut ret_area = RetArea([::core::mem::MaybeUninit::uninit(); 8]);
let ptr0 = ret_area.0.as_mut_ptr().cast::<u8>();
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:cli/terminal-stdout@0.2.4")]
unsafe extern "C" {
#[link_name = "get-terminal-stdout"]
fn wit_import1(_: *mut u8);
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import1(_: *mut u8) {
unreachable!()
}
wit_import1(ptr0);
let l2 = i32::from(*ptr0.add(0).cast::<u8>());
let result4 = match l2 {
0 => None,
1 => {
let e = {
let l3 = *ptr0.add(4).cast::<i32>();
super::super::super::wasi::cli::terminal_output::TerminalOutput::from_handle(
l3 as u32,
)
};
Some(e)
}
_ => _rt::invalid_enum_discriminant(),
};
result4
}
}
}
/// An interface providing an optional `terminal-output` for stderr as a
/// link-time authority.
#[allow(dead_code, async_fn_in_trait, unused_imports, clippy::all)]
pub mod terminal_stderr {
#[used]
#[doc(hidden)]
static __FORCE_SECTION_REF: fn() = super::super::super::__link_custom_section_describing_imports;
use super::super::super::_rt;
pub type TerminalOutput = super::super::super::wasi::cli::terminal_output::TerminalOutput;
#[allow(unused_unsafe, clippy::all)]
/// If stderr is connected to a terminal, return a `terminal-output` handle
/// allowing further interaction with it.
#[allow(async_fn_in_trait)]
pub fn get_terminal_stderr() -> Option<TerminalOutput> {
unsafe {
#[repr(align(4))]
struct RetArea([::core::mem::MaybeUninit<u8>; 8]);
let mut ret_area = RetArea([::core::mem::MaybeUninit::uninit(); 8]);
let ptr0 = ret_area.0.as_mut_ptr().cast::<u8>();
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:cli/terminal-stderr@0.2.4")]
unsafe extern "C" {
#[link_name = "get-terminal-stderr"]
fn wit_import1(_: *mut u8);
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import1(_: *mut u8) {
unreachable!()
}
wit_import1(ptr0);
let l2 = i32::from(*ptr0.add(0).cast::<u8>());
let result4 = match l2 {
0 => None,
1 => {
let e = {
let l3 = *ptr0.add(4).cast::<i32>();
super::super::super::wasi::cli::terminal_output::TerminalOutput::from_handle(
l3 as u32,
)
};
Some(e)
}
_ => _rt::invalid_enum_discriminant(),
};
result4
}
}
}
}
pub mod clocks {
/// WASI Monotonic Clock is a clock API intended to let users measure elapsed
/// time.
///
/// It is intended to be portable at least between Unix-family platforms and
/// Windows.
///
/// A monotonic clock is a clock which has an unspecified initial value, and
/// successive reads of the clock will produce non-decreasing values.
#[allow(dead_code, async_fn_in_trait, unused_imports, clippy::all)]
pub mod monotonic_clock {
#[used]
#[doc(hidden)]
static __FORCE_SECTION_REF: fn() = super::super::super::__link_custom_section_describing_imports;
use super::super::super::_rt;
pub type Pollable = super::super::super::wasi::io::poll::Pollable;
/// An instant in time, in nanoseconds. An instant is relative to an
/// unspecified initial value, and can only be compared to instances from
/// the same monotonic-clock.
pub type Instant = u64;
/// A duration of time, in nanoseconds.
pub type Duration = u64;
#[allow(unused_unsafe, clippy::all)]
/// Read the current value of the clock.
///
/// The clock is monotonic, therefore calling this function repeatedly will
/// produce a sequence of non-decreasing values.
#[allow(async_fn_in_trait)]
pub fn now() -> Instant {
unsafe {
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:clocks/monotonic-clock@0.2.4")]
unsafe extern "C" {
#[link_name = "now"]
fn wit_import0() -> i64;
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import0() -> i64 {
unreachable!()
}
let ret = wit_import0();
ret as u64
}
}
#[allow(unused_unsafe, clippy::all)]
/// Query the resolution of the clock. Returns the duration of time
/// corresponding to a clock tick.
#[allow(async_fn_in_trait)]
pub fn resolution() -> Duration {
unsafe {
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:clocks/monotonic-clock@0.2.4")]
unsafe extern "C" {
#[link_name = "resolution"]
fn wit_import0() -> i64;
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import0() -> i64 {
unreachable!()
}
let ret = wit_import0();
ret as u64
}
}
#[allow(unused_unsafe, clippy::all)]
/// Create a `pollable` which will resolve once the specified instant
/// has occurred.
#[allow(async_fn_in_trait)]
pub fn subscribe_instant(when: Instant) -> Pollable {
unsafe {
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:clocks/monotonic-clock@0.2.4")]
unsafe extern "C" {
#[link_name = "subscribe-instant"]
fn wit_import0(_: i64) -> i32;
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import0(_: i64) -> i32 {
unreachable!()
}
let ret = wit_import0(_rt::as_i64(when));
super::super::super::wasi::io::poll::Pollable::from_handle(
ret as u32,
)
}
}
#[allow(unused_unsafe, clippy::all)]
/// Create a `pollable` that will resolve after the specified duration has
/// elapsed from the time this function is invoked.
#[allow(async_fn_in_trait)]
pub fn subscribe_duration(when: Duration) -> Pollable {
unsafe {
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:clocks/monotonic-clock@0.2.4")]
unsafe extern "C" {
#[link_name = "subscribe-duration"]
fn wit_import0(_: i64) -> i32;
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import0(_: i64) -> i32 {
unreachable!()
}
let ret = wit_import0(_rt::as_i64(when));
super::super::super::wasi::io::poll::Pollable::from_handle(
ret as u32,
)
}
}
}
/// WASI Wall Clock is a clock API intended to let users query the current
/// time. The name "wall" makes an analogy to a "clock on the wall", which
/// is not necessarily monotonic as it may be reset.
///
/// It is intended to be portable at least between Unix-family platforms and
/// Windows.
///
/// A wall clock is a clock which measures the date and time according to
/// some external reference.
///
/// External references may be reset, so this clock is not necessarily
/// monotonic, making it unsuitable for measuring elapsed time.
///
/// It is intended for reporting the current date and time for humans.
#[allow(dead_code, async_fn_in_trait, unused_imports, clippy::all)]
pub mod wall_clock {
#[used]
#[doc(hidden)]
static __FORCE_SECTION_REF: fn() = super::super::super::__link_custom_section_describing_imports;
/// A time and date in seconds plus nanoseconds.
#[repr(C)]
#[derive(Clone, Copy)]
pub struct Datetime {
pub seconds: u64,
pub nanoseconds: u32,
}
impl ::core::fmt::Debug for Datetime {
fn fmt(
&self,
f: &mut ::core::fmt::Formatter<'_>,
) -> ::core::fmt::Result {
f.debug_struct("Datetime")
.field("seconds", &self.seconds)
.field("nanoseconds", &self.nanoseconds)
.finish()
}
}
#[allow(unused_unsafe, clippy::all)]
/// Read the current value of the clock.
///
/// This clock is not monotonic, therefore calling this function repeatedly
/// will not necessarily produce a sequence of non-decreasing values.
///
/// The returned timestamps represent the number of seconds since
/// 1970-01-01T00:00:00Z, also known as [POSIX's Seconds Since the Epoch],
/// also known as [Unix Time].
///
/// The nanoseconds field of the output is always less than 1000000000.
///
/// [POSIX's Seconds Since the Epoch]: https://pubs.opengroup.org/onlinepubs/9699919799/xrat/V4_xbd_chap04.html#tag_21_04_16
/// [Unix Time]: https://en.wikipedia.org/wiki/Unix_time
#[allow(async_fn_in_trait)]
pub fn now() -> Datetime {
unsafe {
#[repr(align(8))]
struct RetArea([::core::mem::MaybeUninit<u8>; 16]);
let mut ret_area = RetArea([::core::mem::MaybeUninit::uninit(); 16]);
let ptr0 = ret_area.0.as_mut_ptr().cast::<u8>();
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:clocks/wall-clock@0.2.4")]
unsafe extern "C" {
#[link_name = "now"]
fn wit_import1(_: *mut u8);
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import1(_: *mut u8) {
unreachable!()
}
wit_import1(ptr0);
let l2 = *ptr0.add(0).cast::<i64>();
let l3 = *ptr0.add(8).cast::<i32>();
let result4 = Datetime {
seconds: l2 as u64,
nanoseconds: l3 as u32,
};
result4
}
}
#[allow(unused_unsafe, clippy::all)]
/// Query the resolution of the clock.
///
/// The nanoseconds field of the output is always less than 1000000000.
#[allow(async_fn_in_trait)]
pub fn resolution() -> Datetime {
unsafe {
#[repr(align(8))]
struct RetArea([::core::mem::MaybeUninit<u8>; 16]);
let mut ret_area = RetArea([::core::mem::MaybeUninit::uninit(); 16]);
let ptr0 = ret_area.0.as_mut_ptr().cast::<u8>();
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:clocks/wall-clock@0.2.4")]
unsafe extern "C" {
#[link_name = "resolution"]
fn wit_import1(_: *mut u8);
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import1(_: *mut u8) {
unreachable!()
}
wit_import1(ptr0);
let l2 = *ptr0.add(0).cast::<i64>();
let l3 = *ptr0.add(8).cast::<i32>();
let result4 = Datetime {
seconds: l2 as u64,
nanoseconds: l3 as u32,
};
result4
}
}
}
}
pub mod filesystem {
/// WASI filesystem is a filesystem API primarily intended to let users run WASI
/// programs that access their files on their existing filesystems, without
/// significant overhead.
///
/// It is intended to be roughly portable between Unix-family platforms and
/// Windows, though it does not hide many of the major differences.
///
/// Paths are passed as interface-type `string`s, meaning they must consist of
/// a sequence of Unicode Scalar Values (USVs). Some filesystems may contain
/// paths which are not accessible by this API.
///
/// The directory separator in WASI is always the forward-slash (`/`).
///
/// All paths in WASI are relative paths, and are interpreted relative to a
/// `descriptor` referring to a base directory. If a `path` argument to any WASI
/// function starts with `/`, or if any step of resolving a `path`, including
/// `..` and symbolic link steps, reaches a directory outside of the base
/// directory, or reaches a symlink to an absolute or rooted path in the
/// underlying filesystem, the function fails with `error-code::not-permitted`.
///
/// For more information about WASI path resolution and sandboxing, see
/// [WASI filesystem path resolution].
///
/// [WASI filesystem path resolution]: https://github.com/WebAssembly/wasi-filesystem/blob/main/path-resolution.md
#[allow(dead_code, async_fn_in_trait, unused_imports, clippy::all)]
pub mod types {
#[used]
#[doc(hidden)]
static __FORCE_SECTION_REF: fn() = super::super::super::__link_custom_section_describing_imports;
use super::super::super::_rt;
pub type InputStream = super::super::super::wasi::io::streams::InputStream;
pub type OutputStream = super::super::super::wasi::io::streams::OutputStream;
pub type Error = super::super::super::wasi::io::streams::Error;
pub type Datetime = super::super::super::wasi::clocks::wall_clock::Datetime;
/// File size or length of a region within a file.
pub type Filesize = u64;
/// The type of a filesystem object referenced by a descriptor.
///
/// Note: This was called `filetype` in earlier versions of WASI.
#[repr(u8)]
#[derive(Clone, Copy, Eq, Ord, PartialEq, PartialOrd)]
pub enum DescriptorType {
/// The type of the descriptor or file is unknown or is different from
/// any of the other types specified.
Unknown,
/// The descriptor refers to a block device inode.
BlockDevice,
/// The descriptor refers to a character device inode.
CharacterDevice,
/// The descriptor refers to a directory inode.
Directory,
/// The descriptor refers to a named pipe.
Fifo,
/// The file refers to a symbolic link inode.
SymbolicLink,
/// The descriptor refers to a regular file inode.
RegularFile,
/// The descriptor refers to a socket.
Socket,
}
impl ::core::fmt::Debug for DescriptorType {
fn fmt(
&self,
f: &mut ::core::fmt::Formatter<'_>,
) -> ::core::fmt::Result {
match self {
DescriptorType::Unknown => {
f.debug_tuple("DescriptorType::Unknown").finish()
}
DescriptorType::BlockDevice => {
f.debug_tuple("DescriptorType::BlockDevice").finish()
}
DescriptorType::CharacterDevice => {
f.debug_tuple("DescriptorType::CharacterDevice").finish()
}
DescriptorType::Directory => {
f.debug_tuple("DescriptorType::Directory").finish()
}
DescriptorType::Fifo => {
f.debug_tuple("DescriptorType::Fifo").finish()
}
DescriptorType::SymbolicLink => {
f.debug_tuple("DescriptorType::SymbolicLink").finish()
}
DescriptorType::RegularFile => {
f.debug_tuple("DescriptorType::RegularFile").finish()
}
DescriptorType::Socket => {
f.debug_tuple("DescriptorType::Socket").finish()
}
}
}
}
impl DescriptorType {
#[doc(hidden)]
pub unsafe fn _lift(val: u8) -> DescriptorType {
if !cfg!(debug_assertions) {
return unsafe { ::core::mem::transmute(val) };
}
match val {
0 => DescriptorType::Unknown,
1 => DescriptorType::BlockDevice,
2 => DescriptorType::CharacterDevice,
3 => DescriptorType::Directory,
4 => DescriptorType::Fifo,
5 => DescriptorType::SymbolicLink,
6 => DescriptorType::RegularFile,
7 => DescriptorType::Socket,
_ => panic!("invalid enum discriminant"),
}
}
}
wit_bindgen::rt::bitflags::bitflags! {
#[doc = " Descriptor flags."] #[doc = ""] #[doc =
" Note: This was called `fdflags` in earlier versions of WASI."]
#[derive(PartialEq, Eq, PartialOrd, Ord, Hash, Debug, Clone, Copy)] pub
struct DescriptorFlags : u8 { #[doc = " Read mode: Data can be read."]
const READ = 1 << 0; #[doc = " Write mode: Data can be written to."]
const WRITE = 1 << 1; #[doc =
" Request that writes be performed according to synchronized I/O file"]
#[doc =
" integrity completion. The data stored in the file and the file's"]
#[doc =
" metadata are synchronized. This is similar to `O_SYNC` in POSIX."]
#[doc = ""] #[doc =
" The precise semantics of this operation have not yet been defined for"]
#[doc =
" WASI. At this time, it should be interpreted as a request, and not a"]
#[doc = " requirement."] const FILE_INTEGRITY_SYNC = 1 << 2; #[doc =
" Request that writes be performed according to synchronized I/O data"]
#[doc = " integrity completion. Only the data stored in the file is"]
#[doc = " synchronized. This is similar to `O_DSYNC` in POSIX."] #[doc =
""] #[doc =
" The precise semantics of this operation have not yet been defined for"]
#[doc =
" WASI. At this time, it should be interpreted as a request, and not a"]
#[doc = " requirement."] const DATA_INTEGRITY_SYNC = 1 << 3; #[doc =
" Requests that reads be performed at the same level of integrity"] #[doc
= " requested for writes. This is similar to `O_RSYNC` in POSIX."] #[doc
= ""] #[doc =
" The precise semantics of this operation have not yet been defined for"]
#[doc =
" WASI. At this time, it should be interpreted as a request, and not a"]
#[doc = " requirement."] const REQUESTED_WRITE_SYNC = 1 << 4; #[doc =
" Mutating directories mode: Directory contents may be mutated."] #[doc =
""] #[doc =
" When this flag is unset on a descriptor, operations using the"] #[doc =
" descriptor which would create, rename, delete, modify the data or"]
#[doc =
" metadata of filesystem objects, or obtain another handle which"] #[doc
=
" would permit any of those, shall fail with `error-code::read-only` if"]
#[doc = " they would otherwise succeed."] #[doc = ""] #[doc =
" This may only be set on directories."] const MUTATE_DIRECTORY = 1 << 5;
}
}
wit_bindgen::rt::bitflags::bitflags! {
#[doc = " Flags determining the method of how paths are resolved."]
#[derive(PartialEq, Eq, PartialOrd, Ord, Hash, Debug, Clone, Copy)] pub
struct PathFlags : u8 { #[doc =
" As long as the resolved path corresponds to a symbolic link, it is"]
#[doc = " expanded."] const SYMLINK_FOLLOW = 1 << 0; }
}
wit_bindgen::rt::bitflags::bitflags! {
#[doc = " Open flags used by `open-at`."] #[derive(PartialEq, Eq,
PartialOrd, Ord, Hash, Debug, Clone, Copy)] pub struct OpenFlags : u8 {
#[doc =
" Create file if it does not exist, similar to `O_CREAT` in POSIX."]
const CREATE = 1 << 0; #[doc =
" Fail if not a directory, similar to `O_DIRECTORY` in POSIX."] const
DIRECTORY = 1 << 1; #[doc =
" Fail if file already exists, similar to `O_EXCL` in POSIX."] const
EXCLUSIVE = 1 << 2; #[doc =
" Truncate file to size 0, similar to `O_TRUNC` in POSIX."] const
TRUNCATE = 1 << 3; }
}
/// Number of hard links to an inode.
pub type LinkCount = u64;
/// File attributes.
///
/// Note: This was called `filestat` in earlier versions of WASI.
#[repr(C)]
#[derive(Clone, Copy)]
pub struct DescriptorStat {
/// File type.
pub type_: DescriptorType,
/// Number of hard links to the file.
pub link_count: LinkCount,
/// For regular files, the file size in bytes. For symbolic links, the
/// length in bytes of the pathname contained in the symbolic link.
pub size: Filesize,
/// Last data access timestamp.
///
/// If the `option` is none, the platform doesn't maintain an access
/// timestamp for this file.
pub data_access_timestamp: Option<Datetime>,
/// Last data modification timestamp.
///
/// If the `option` is none, the platform doesn't maintain a
/// modification timestamp for this file.
pub data_modification_timestamp: Option<Datetime>,
/// Last file status-change timestamp.
///
/// If the `option` is none, the platform doesn't maintain a
/// status-change timestamp for this file.
pub status_change_timestamp: Option<Datetime>,
}
impl ::core::fmt::Debug for DescriptorStat {
fn fmt(
&self,
f: &mut ::core::fmt::Formatter<'_>,
) -> ::core::fmt::Result {
f.debug_struct("DescriptorStat")
.field("type", &self.type_)
.field("link-count", &self.link_count)
.field("size", &self.size)
.field("data-access-timestamp", &self.data_access_timestamp)
.field(
"data-modification-timestamp",
&self.data_modification_timestamp,
)
.field("status-change-timestamp", &self.status_change_timestamp)
.finish()
}
}
/// When setting a timestamp, this gives the value to set it to.
#[derive(Clone, Copy)]
pub enum NewTimestamp {
/// Leave the timestamp set to its previous value.
NoChange,
/// Set the timestamp to the current time of the system clock associated
/// with the filesystem.
Now,
/// Set the timestamp to the given value.
Timestamp(Datetime),
}
impl ::core::fmt::Debug for NewTimestamp {
fn fmt(
&self,
f: &mut ::core::fmt::Formatter<'_>,
) -> ::core::fmt::Result {
match self {
NewTimestamp::NoChange => {
f.debug_tuple("NewTimestamp::NoChange").finish()
}
NewTimestamp::Now => f.debug_tuple("NewTimestamp::Now").finish(),
NewTimestamp::Timestamp(e) => {
f.debug_tuple("NewTimestamp::Timestamp").field(e).finish()
}
}
}
}
/// A directory entry.
#[derive(Clone)]
pub struct DirectoryEntry {
/// The type of the file referred to by this directory entry.
pub type_: DescriptorType,
/// The name of the object.
pub name: _rt::String,
}
impl ::core::fmt::Debug for DirectoryEntry {
fn fmt(
&self,
f: &mut ::core::fmt::Formatter<'_>,
) -> ::core::fmt::Result {
f.debug_struct("DirectoryEntry")
.field("type", &self.type_)
.field("name", &self.name)
.finish()
}
}
/// Error codes returned by functions, similar to `errno` in POSIX.
/// Not all of these error codes are returned by the functions provided by this
/// API; some are used in higher-level library layers, and others are provided
/// merely for alignment with POSIX.
#[repr(u8)]
#[derive(Clone, Copy, Eq, Ord, PartialEq, PartialOrd)]
pub enum ErrorCode {
/// Permission denied, similar to `EACCES` in POSIX.
Access,
/// Resource unavailable, or operation would block, similar to `EAGAIN` and `EWOULDBLOCK` in POSIX.
WouldBlock,
/// Connection already in progress, similar to `EALREADY` in POSIX.
Already,
/// Bad descriptor, similar to `EBADF` in POSIX.
BadDescriptor,
/// Device or resource busy, similar to `EBUSY` in POSIX.
Busy,
/// Resource deadlock would occur, similar to `EDEADLK` in POSIX.
Deadlock,
/// Storage quota exceeded, similar to `EDQUOT` in POSIX.
Quota,
/// File exists, similar to `EEXIST` in POSIX.
Exist,
/// File too large, similar to `EFBIG` in POSIX.
FileTooLarge,
/// Illegal byte sequence, similar to `EILSEQ` in POSIX.
IllegalByteSequence,
/// Operation in progress, similar to `EINPROGRESS` in POSIX.
InProgress,
/// Interrupted function, similar to `EINTR` in POSIX.
Interrupted,
/// Invalid argument, similar to `EINVAL` in POSIX.
Invalid,
/// I/O error, similar to `EIO` in POSIX.
Io,
/// Is a directory, similar to `EISDIR` in POSIX.
IsDirectory,
/// Too many levels of symbolic links, similar to `ELOOP` in POSIX.
Loop,
/// Too many links, similar to `EMLINK` in POSIX.
TooManyLinks,
/// Message too large, similar to `EMSGSIZE` in POSIX.
MessageSize,
/// Filename too long, similar to `ENAMETOOLONG` in POSIX.
NameTooLong,
/// No such device, similar to `ENODEV` in POSIX.
NoDevice,
/// No such file or directory, similar to `ENOENT` in POSIX.
NoEntry,
/// No locks available, similar to `ENOLCK` in POSIX.
NoLock,
/// Not enough space, similar to `ENOMEM` in POSIX.
InsufficientMemory,
/// No space left on device, similar to `ENOSPC` in POSIX.
InsufficientSpace,
/// Not a directory or a symbolic link to a directory, similar to `ENOTDIR` in POSIX.
NotDirectory,
/// Directory not empty, similar to `ENOTEMPTY` in POSIX.
NotEmpty,
/// State not recoverable, similar to `ENOTRECOVERABLE` in POSIX.
NotRecoverable,
/// Not supported, similar to `ENOTSUP` and `ENOSYS` in POSIX.
Unsupported,
/// Inappropriate I/O control operation, similar to `ENOTTY` in POSIX.
NoTty,
/// No such device or address, similar to `ENXIO` in POSIX.
NoSuchDevice,
/// Value too large to be stored in data type, similar to `EOVERFLOW` in POSIX.
Overflow,
/// Operation not permitted, similar to `EPERM` in POSIX.
NotPermitted,
/// Broken pipe, similar to `EPIPE` in POSIX.
Pipe,
/// Read-only file system, similar to `EROFS` in POSIX.
ReadOnly,
/// Invalid seek, similar to `ESPIPE` in POSIX.
InvalidSeek,
/// Text file busy, similar to `ETXTBSY` in POSIX.
TextFileBusy,
/// Cross-device link, similar to `EXDEV` in POSIX.
CrossDevice,
}
impl ErrorCode {
pub fn name(&self) -> &'static str {
match self {
ErrorCode::Access => "access",
ErrorCode::WouldBlock => "would-block",
ErrorCode::Already => "already",
ErrorCode::BadDescriptor => "bad-descriptor",
ErrorCode::Busy => "busy",
ErrorCode::Deadlock => "deadlock",
ErrorCode::Quota => "quota",
ErrorCode::Exist => "exist",
ErrorCode::FileTooLarge => "file-too-large",
ErrorCode::IllegalByteSequence => "illegal-byte-sequence",
ErrorCode::InProgress => "in-progress",
ErrorCode::Interrupted => "interrupted",
ErrorCode::Invalid => "invalid",
ErrorCode::Io => "io",
ErrorCode::IsDirectory => "is-directory",
ErrorCode::Loop => "loop",
ErrorCode::TooManyLinks => "too-many-links",
ErrorCode::MessageSize => "message-size",
ErrorCode::NameTooLong => "name-too-long",
ErrorCode::NoDevice => "no-device",
ErrorCode::NoEntry => "no-entry",
ErrorCode::NoLock => "no-lock",
ErrorCode::InsufficientMemory => "insufficient-memory",
ErrorCode::InsufficientSpace => "insufficient-space",
ErrorCode::NotDirectory => "not-directory",
ErrorCode::NotEmpty => "not-empty",
ErrorCode::NotRecoverable => "not-recoverable",
ErrorCode::Unsupported => "unsupported",
ErrorCode::NoTty => "no-tty",
ErrorCode::NoSuchDevice => "no-such-device",
ErrorCode::Overflow => "overflow",
ErrorCode::NotPermitted => "not-permitted",
ErrorCode::Pipe => "pipe",
ErrorCode::ReadOnly => "read-only",
ErrorCode::InvalidSeek => "invalid-seek",
ErrorCode::TextFileBusy => "text-file-busy",
ErrorCode::CrossDevice => "cross-device",
}
}
pub fn message(&self) -> &'static str {
match self {
ErrorCode::Access => {
"Permission denied, similar to `EACCES` in POSIX."
}
ErrorCode::WouldBlock => {
"Resource unavailable, or operation would block, similar to `EAGAIN` and `EWOULDBLOCK` in POSIX."
}
ErrorCode::Already => {
"Connection already in progress, similar to `EALREADY` in POSIX."
}
ErrorCode::BadDescriptor => {
"Bad descriptor, similar to `EBADF` in POSIX."
}
ErrorCode::Busy => {
"Device or resource busy, similar to `EBUSY` in POSIX."
}
ErrorCode::Deadlock => {
"Resource deadlock would occur, similar to `EDEADLK` in POSIX."
}
ErrorCode::Quota => {
"Storage quota exceeded, similar to `EDQUOT` in POSIX."
}
ErrorCode::Exist => "File exists, similar to `EEXIST` in POSIX.",
ErrorCode::FileTooLarge => {
"File too large, similar to `EFBIG` in POSIX."
}
ErrorCode::IllegalByteSequence => {
"Illegal byte sequence, similar to `EILSEQ` in POSIX."
}
ErrorCode::InProgress => {
"Operation in progress, similar to `EINPROGRESS` in POSIX."
}
ErrorCode::Interrupted => {
"Interrupted function, similar to `EINTR` in POSIX."
}
ErrorCode::Invalid => {
"Invalid argument, similar to `EINVAL` in POSIX."
}
ErrorCode::Io => "I/O error, similar to `EIO` in POSIX.",
ErrorCode::IsDirectory => {
"Is a directory, similar to `EISDIR` in POSIX."
}
ErrorCode::Loop => {
"Too many levels of symbolic links, similar to `ELOOP` in POSIX."
}
ErrorCode::TooManyLinks => {
"Too many links, similar to `EMLINK` in POSIX."
}
ErrorCode::MessageSize => {
"Message too large, similar to `EMSGSIZE` in POSIX."
}
ErrorCode::NameTooLong => {
"Filename too long, similar to `ENAMETOOLONG` in POSIX."
}
ErrorCode::NoDevice => {
"No such device, similar to `ENODEV` in POSIX."
}
ErrorCode::NoEntry => {
"No such file or directory, similar to `ENOENT` in POSIX."
}
ErrorCode::NoLock => {
"No locks available, similar to `ENOLCK` in POSIX."
}
ErrorCode::InsufficientMemory => {
"Not enough space, similar to `ENOMEM` in POSIX."
}
ErrorCode::InsufficientSpace => {
"No space left on device, similar to `ENOSPC` in POSIX."
}
ErrorCode::NotDirectory => {
"Not a directory or a symbolic link to a directory, similar to `ENOTDIR` in POSIX."
}
ErrorCode::NotEmpty => {
"Directory not empty, similar to `ENOTEMPTY` in POSIX."
}
ErrorCode::NotRecoverable => {
"State not recoverable, similar to `ENOTRECOVERABLE` in POSIX."
}
ErrorCode::Unsupported => {
"Not supported, similar to `ENOTSUP` and `ENOSYS` in POSIX."
}
ErrorCode::NoTty => {
"Inappropriate I/O control operation, similar to `ENOTTY` in POSIX."
}
ErrorCode::NoSuchDevice => {
"No such device or address, similar to `ENXIO` in POSIX."
}
ErrorCode::Overflow => {
"Value too large to be stored in data type, similar to `EOVERFLOW` in POSIX."
}
ErrorCode::NotPermitted => {
"Operation not permitted, similar to `EPERM` in POSIX."
}
ErrorCode::Pipe => "Broken pipe, similar to `EPIPE` in POSIX.",
ErrorCode::ReadOnly => {
"Read-only file system, similar to `EROFS` in POSIX."
}
ErrorCode::InvalidSeek => {
"Invalid seek, similar to `ESPIPE` in POSIX."
}
ErrorCode::TextFileBusy => {
"Text file busy, similar to `ETXTBSY` in POSIX."
}
ErrorCode::CrossDevice => {
"Cross-device link, similar to `EXDEV` in POSIX."
}
}
}
}
impl ::core::fmt::Debug for ErrorCode {
fn fmt(
&self,
f: &mut ::core::fmt::Formatter<'_>,
) -> ::core::fmt::Result {
f.debug_struct("ErrorCode")
.field("code", &(*self as i32))
.field("name", &self.name())
.field("message", &self.message())
.finish()
}
}
impl ::core::fmt::Display for ErrorCode {
fn fmt(
&self,
f: &mut ::core::fmt::Formatter<'_>,
) -> ::core::fmt::Result {
write!(f, "{} (error {})", self.name(), * self as i32)
}
}
#[cfg(feature = "std")]
impl std::error::Error for ErrorCode {}
impl ErrorCode {
#[doc(hidden)]
pub unsafe fn _lift(val: u8) -> ErrorCode {
if !cfg!(debug_assertions) {
return unsafe { ::core::mem::transmute(val) };
}
match val {
0 => ErrorCode::Access,
1 => ErrorCode::WouldBlock,
2 => ErrorCode::Already,
3 => ErrorCode::BadDescriptor,
4 => ErrorCode::Busy,
5 => ErrorCode::Deadlock,
6 => ErrorCode::Quota,
7 => ErrorCode::Exist,
8 => ErrorCode::FileTooLarge,
9 => ErrorCode::IllegalByteSequence,
10 => ErrorCode::InProgress,
11 => ErrorCode::Interrupted,
12 => ErrorCode::Invalid,
13 => ErrorCode::Io,
14 => ErrorCode::IsDirectory,
15 => ErrorCode::Loop,
16 => ErrorCode::TooManyLinks,
17 => ErrorCode::MessageSize,
18 => ErrorCode::NameTooLong,
19 => ErrorCode::NoDevice,
20 => ErrorCode::NoEntry,
21 => ErrorCode::NoLock,
22 => ErrorCode::InsufficientMemory,
23 => ErrorCode::InsufficientSpace,
24 => ErrorCode::NotDirectory,
25 => ErrorCode::NotEmpty,
26 => ErrorCode::NotRecoverable,
27 => ErrorCode::Unsupported,
28 => ErrorCode::NoTty,
29 => ErrorCode::NoSuchDevice,
30 => ErrorCode::Overflow,
31 => ErrorCode::NotPermitted,
32 => ErrorCode::Pipe,
33 => ErrorCode::ReadOnly,
34 => ErrorCode::InvalidSeek,
35 => ErrorCode::TextFileBusy,
36 => ErrorCode::CrossDevice,
_ => panic!("invalid enum discriminant"),
}
}
}
/// File or memory access pattern advisory information.
#[repr(u8)]
#[derive(Clone, Copy, Eq, Ord, PartialEq, PartialOrd)]
pub enum Advice {
/// The application has no advice to give on its behavior with respect
/// to the specified data.
Normal,
/// The application expects to access the specified data sequentially
/// from lower offsets to higher offsets.
Sequential,
/// The application expects to access the specified data in a random
/// order.
Random,
/// The application expects to access the specified data in the near
/// future.
WillNeed,
/// The application expects that it will not access the specified data
/// in the near future.
DontNeed,
/// The application expects to access the specified data once and then
/// not reuse it thereafter.
NoReuse,
}
impl ::core::fmt::Debug for Advice {
fn fmt(
&self,
f: &mut ::core::fmt::Formatter<'_>,
) -> ::core::fmt::Result {
match self {
Advice::Normal => f.debug_tuple("Advice::Normal").finish(),
Advice::Sequential => {
f.debug_tuple("Advice::Sequential").finish()
}
Advice::Random => f.debug_tuple("Advice::Random").finish(),
Advice::WillNeed => f.debug_tuple("Advice::WillNeed").finish(),
Advice::DontNeed => f.debug_tuple("Advice::DontNeed").finish(),
Advice::NoReuse => f.debug_tuple("Advice::NoReuse").finish(),
}
}
}
impl Advice {
#[doc(hidden)]
pub unsafe fn _lift(val: u8) -> Advice {
if !cfg!(debug_assertions) {
return unsafe { ::core::mem::transmute(val) };
}
match val {
0 => Advice::Normal,
1 => Advice::Sequential,
2 => Advice::Random,
3 => Advice::WillNeed,
4 => Advice::DontNeed,
5 => Advice::NoReuse,
_ => panic!("invalid enum discriminant"),
}
}
}
/// A 128-bit hash value, split into parts because wasm doesn't have a
/// 128-bit integer type.
#[repr(C)]
#[derive(Clone, Copy)]
pub struct MetadataHashValue {
/// 64 bits of a 128-bit hash value.
pub lower: u64,
/// Another 64 bits of a 128-bit hash value.
pub upper: u64,
}
impl ::core::fmt::Debug for MetadataHashValue {
fn fmt(
&self,
f: &mut ::core::fmt::Formatter<'_>,
) -> ::core::fmt::Result {
f.debug_struct("MetadataHashValue")
.field("lower", &self.lower)
.field("upper", &self.upper)
.finish()
}
}
/// A descriptor is a reference to a filesystem object, which may be a file,
/// directory, named pipe, special file, or other object on which filesystem
/// calls may be made.
#[derive(Debug)]
#[repr(transparent)]
pub struct Descriptor {
handle: _rt::Resource<Descriptor>,
}
impl Descriptor {
#[doc(hidden)]
pub unsafe fn from_handle(handle: u32) -> Self {
Self {
handle: unsafe { _rt::Resource::from_handle(handle) },
}
}
#[doc(hidden)]
pub fn take_handle(&self) -> u32 {
_rt::Resource::take_handle(&self.handle)
}
#[doc(hidden)]
pub fn handle(&self) -> u32 {
_rt::Resource::handle(&self.handle)
}
}
unsafe impl _rt::WasmResource for Descriptor {
#[inline]
unsafe fn drop(_handle: u32) {
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:filesystem/types@0.2.4")]
unsafe extern "C" {
#[link_name = "[resource-drop]descriptor"]
fn drop(_: i32);
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn drop(_: i32) {
unreachable!()
}
unsafe {
drop(_handle as i32);
}
}
}
/// A stream of directory entries.
#[derive(Debug)]
#[repr(transparent)]
pub struct DirectoryEntryStream {
handle: _rt::Resource<DirectoryEntryStream>,
}
impl DirectoryEntryStream {
#[doc(hidden)]
pub unsafe fn from_handle(handle: u32) -> Self {
Self {
handle: unsafe { _rt::Resource::from_handle(handle) },
}
}
#[doc(hidden)]
pub fn take_handle(&self) -> u32 {
_rt::Resource::take_handle(&self.handle)
}
#[doc(hidden)]
pub fn handle(&self) -> u32 {
_rt::Resource::handle(&self.handle)
}
}
unsafe impl _rt::WasmResource for DirectoryEntryStream {
#[inline]
unsafe fn drop(_handle: u32) {
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:filesystem/types@0.2.4")]
unsafe extern "C" {
#[link_name = "[resource-drop]directory-entry-stream"]
fn drop(_: i32);
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn drop(_: i32) {
unreachable!()
}
unsafe {
drop(_handle as i32);
}
}
}
impl Descriptor {
#[allow(unused_unsafe, clippy::all)]
/// Return a stream for reading from a file, if available.
///
/// May fail with an error-code describing why the file cannot be read.
///
/// Multiple read, write, and append streams may be active on the same open
/// file and they do not interfere with each other.
///
/// Note: This allows using `read-stream`, which is similar to `read` in POSIX.
#[allow(async_fn_in_trait)]
pub fn read_via_stream(
&self,
offset: Filesize,
) -> Result<InputStream, ErrorCode> {
unsafe {
#[repr(align(4))]
struct RetArea([::core::mem::MaybeUninit<u8>; 8]);
let mut ret_area = RetArea(
[::core::mem::MaybeUninit::uninit(); 8],
);
let ptr0 = ret_area.0.as_mut_ptr().cast::<u8>();
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:filesystem/types@0.2.4")]
unsafe extern "C" {
#[link_name = "[method]descriptor.read-via-stream"]
fn wit_import1(_: i32, _: i64, _: *mut u8);
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import1(_: i32, _: i64, _: *mut u8) {
unreachable!()
}
wit_import1((self).handle() as i32, _rt::as_i64(offset), ptr0);
let l2 = i32::from(*ptr0.add(0).cast::<u8>());
let result5 = match l2 {
0 => {
let e = {
let l3 = *ptr0.add(4).cast::<i32>();
super::super::super::wasi::io::streams::InputStream::from_handle(
l3 as u32,
)
};
Ok(e)
}
1 => {
let e = {
let l4 = i32::from(*ptr0.add(4).cast::<u8>());
ErrorCode::_lift(l4 as u8)
};
Err(e)
}
_ => _rt::invalid_enum_discriminant(),
};
result5
}
}
}
impl Descriptor {
#[allow(unused_unsafe, clippy::all)]
/// Return a stream for writing to a file, if available.
///
/// May fail with an error-code describing why the file cannot be written.
///
/// Note: This allows using `write-stream`, which is similar to `write` in
/// POSIX.
#[allow(async_fn_in_trait)]
pub fn write_via_stream(
&self,
offset: Filesize,
) -> Result<OutputStream, ErrorCode> {
unsafe {
#[repr(align(4))]
struct RetArea([::core::mem::MaybeUninit<u8>; 8]);
let mut ret_area = RetArea(
[::core::mem::MaybeUninit::uninit(); 8],
);
let ptr0 = ret_area.0.as_mut_ptr().cast::<u8>();
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:filesystem/types@0.2.4")]
unsafe extern "C" {
#[link_name = "[method]descriptor.write-via-stream"]
fn wit_import1(_: i32, _: i64, _: *mut u8);
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import1(_: i32, _: i64, _: *mut u8) {
unreachable!()
}
wit_import1((self).handle() as i32, _rt::as_i64(offset), ptr0);
let l2 = i32::from(*ptr0.add(0).cast::<u8>());
let result5 = match l2 {
0 => {
let e = {
let l3 = *ptr0.add(4).cast::<i32>();
super::super::super::wasi::io::streams::OutputStream::from_handle(
l3 as u32,
)
};
Ok(e)
}
1 => {
let e = {
let l4 = i32::from(*ptr0.add(4).cast::<u8>());
ErrorCode::_lift(l4 as u8)
};
Err(e)
}
_ => _rt::invalid_enum_discriminant(),
};
result5
}
}
}
impl Descriptor {
#[allow(unused_unsafe, clippy::all)]
/// Return a stream for appending to a file, if available.
///
/// May fail with an error-code describing why the file cannot be appended.
///
/// Note: This allows using `write-stream`, which is similar to `write` with
/// `O_APPEND` in POSIX.
#[allow(async_fn_in_trait)]
pub fn append_via_stream(&self) -> Result<OutputStream, ErrorCode> {
unsafe {
#[repr(align(4))]
struct RetArea([::core::mem::MaybeUninit<u8>; 8]);
let mut ret_area = RetArea(
[::core::mem::MaybeUninit::uninit(); 8],
);
let ptr0 = ret_area.0.as_mut_ptr().cast::<u8>();
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:filesystem/types@0.2.4")]
unsafe extern "C" {
#[link_name = "[method]descriptor.append-via-stream"]
fn wit_import1(_: i32, _: *mut u8);
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import1(_: i32, _: *mut u8) {
unreachable!()
}
wit_import1((self).handle() as i32, ptr0);
let l2 = i32::from(*ptr0.add(0).cast::<u8>());
let result5 = match l2 {
0 => {
let e = {
let l3 = *ptr0.add(4).cast::<i32>();
super::super::super::wasi::io::streams::OutputStream::from_handle(
l3 as u32,
)
};
Ok(e)
}
1 => {
let e = {
let l4 = i32::from(*ptr0.add(4).cast::<u8>());
ErrorCode::_lift(l4 as u8)
};
Err(e)
}
_ => _rt::invalid_enum_discriminant(),
};
result5
}
}
}
impl Descriptor {
#[allow(unused_unsafe, clippy::all)]
/// Provide file advisory information on a descriptor.
///
/// This is similar to `posix_fadvise` in POSIX.
#[allow(async_fn_in_trait)]
pub fn advise(
&self,
offset: Filesize,
length: Filesize,
advice: Advice,
) -> Result<(), ErrorCode> {
unsafe {
#[repr(align(1))]
struct RetArea([::core::mem::MaybeUninit<u8>; 2]);
let mut ret_area = RetArea(
[::core::mem::MaybeUninit::uninit(); 2],
);
let ptr0 = ret_area.0.as_mut_ptr().cast::<u8>();
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:filesystem/types@0.2.4")]
unsafe extern "C" {
#[link_name = "[method]descriptor.advise"]
fn wit_import1(_: i32, _: i64, _: i64, _: i32, _: *mut u8);
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import1(
_: i32,
_: i64,
_: i64,
_: i32,
_: *mut u8,
) {
unreachable!()
}
wit_import1(
(self).handle() as i32,
_rt::as_i64(offset),
_rt::as_i64(length),
advice.clone() as i32,
ptr0,
);
let l2 = i32::from(*ptr0.add(0).cast::<u8>());
let result4 = match l2 {
0 => {
let e = ();
Ok(e)
}
1 => {
let e = {
let l3 = i32::from(*ptr0.add(1).cast::<u8>());
ErrorCode::_lift(l3 as u8)
};
Err(e)
}
_ => _rt::invalid_enum_discriminant(),
};
result4
}
}
}
impl Descriptor {
#[allow(unused_unsafe, clippy::all)]
/// Synchronize the data of a file to disk.
///
/// This function succeeds with no effect if the file descriptor is not
/// opened for writing.
///
/// Note: This is similar to `fdatasync` in POSIX.
#[allow(async_fn_in_trait)]
pub fn sync_data(&self) -> Result<(), ErrorCode> {
unsafe {
#[repr(align(1))]
struct RetArea([::core::mem::MaybeUninit<u8>; 2]);
let mut ret_area = RetArea(
[::core::mem::MaybeUninit::uninit(); 2],
);
let ptr0 = ret_area.0.as_mut_ptr().cast::<u8>();
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:filesystem/types@0.2.4")]
unsafe extern "C" {
#[link_name = "[method]descriptor.sync-data"]
fn wit_import1(_: i32, _: *mut u8);
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import1(_: i32, _: *mut u8) {
unreachable!()
}
wit_import1((self).handle() as i32, ptr0);
let l2 = i32::from(*ptr0.add(0).cast::<u8>());
let result4 = match l2 {
0 => {
let e = ();
Ok(e)
}
1 => {
let e = {
let l3 = i32::from(*ptr0.add(1).cast::<u8>());
ErrorCode::_lift(l3 as u8)
};
Err(e)
}
_ => _rt::invalid_enum_discriminant(),
};
result4
}
}
}
impl Descriptor {
#[allow(unused_unsafe, clippy::all)]
/// Get flags associated with a descriptor.
///
/// Note: This returns similar flags to `fcntl(fd, F_GETFL)` in POSIX.
///
/// Note: This returns the value that was the `fs_flags` value returned
/// from `fdstat_get` in earlier versions of WASI.
#[allow(async_fn_in_trait)]
pub fn get_flags(&self) -> Result<DescriptorFlags, ErrorCode> {
unsafe {
#[repr(align(1))]
struct RetArea([::core::mem::MaybeUninit<u8>; 2]);
let mut ret_area = RetArea(
[::core::mem::MaybeUninit::uninit(); 2],
);
let ptr0 = ret_area.0.as_mut_ptr().cast::<u8>();
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:filesystem/types@0.2.4")]
unsafe extern "C" {
#[link_name = "[method]descriptor.get-flags"]
fn wit_import1(_: i32, _: *mut u8);
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import1(_: i32, _: *mut u8) {
unreachable!()
}
wit_import1((self).handle() as i32, ptr0);
let l2 = i32::from(*ptr0.add(0).cast::<u8>());
let result5 = match l2 {
0 => {
let e = {
let l3 = i32::from(*ptr0.add(1).cast::<u8>());
DescriptorFlags::empty()
| DescriptorFlags::from_bits_retain(((l3 as u8) << 0) as _)
};
Ok(e)
}
1 => {
let e = {
let l4 = i32::from(*ptr0.add(1).cast::<u8>());
ErrorCode::_lift(l4 as u8)
};
Err(e)
}
_ => _rt::invalid_enum_discriminant(),
};
result5
}
}
}
impl Descriptor {
#[allow(unused_unsafe, clippy::all)]
/// Get the dynamic type of a descriptor.
///
/// Note: This returns the same value as the `type` field of the `fd-stat`
/// returned by `stat`, `stat-at` and similar.
///
/// Note: This returns similar flags to the `st_mode & S_IFMT` value provided
/// by `fstat` in POSIX.
///
/// Note: This returns the value that was the `fs_filetype` value returned
/// from `fdstat_get` in earlier versions of WASI.
#[allow(async_fn_in_trait)]
pub fn get_type(&self) -> Result<DescriptorType, ErrorCode> {
unsafe {
#[repr(align(1))]
struct RetArea([::core::mem::MaybeUninit<u8>; 2]);
let mut ret_area = RetArea(
[::core::mem::MaybeUninit::uninit(); 2],
);
let ptr0 = ret_area.0.as_mut_ptr().cast::<u8>();
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:filesystem/types@0.2.4")]
unsafe extern "C" {
#[link_name = "[method]descriptor.get-type"]
fn wit_import1(_: i32, _: *mut u8);
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import1(_: i32, _: *mut u8) {
unreachable!()
}
wit_import1((self).handle() as i32, ptr0);
let l2 = i32::from(*ptr0.add(0).cast::<u8>());
let result5 = match l2 {
0 => {
let e = {
let l3 = i32::from(*ptr0.add(1).cast::<u8>());
DescriptorType::_lift(l3 as u8)
};
Ok(e)
}
1 => {
let e = {
let l4 = i32::from(*ptr0.add(1).cast::<u8>());
ErrorCode::_lift(l4 as u8)
};
Err(e)
}
_ => _rt::invalid_enum_discriminant(),
};
result5
}
}
}
impl Descriptor {
#[allow(unused_unsafe, clippy::all)]
/// Adjust the size of an open file. If this increases the file's size, the
/// extra bytes are filled with zeros.
///
/// Note: This was called `fd_filestat_set_size` in earlier versions of WASI.
#[allow(async_fn_in_trait)]
pub fn set_size(&self, size: Filesize) -> Result<(), ErrorCode> {
unsafe {
#[repr(align(1))]
struct RetArea([::core::mem::MaybeUninit<u8>; 2]);
let mut ret_area = RetArea(
[::core::mem::MaybeUninit::uninit(); 2],
);
let ptr0 = ret_area.0.as_mut_ptr().cast::<u8>();
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:filesystem/types@0.2.4")]
unsafe extern "C" {
#[link_name = "[method]descriptor.set-size"]
fn wit_import1(_: i32, _: i64, _: *mut u8);
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import1(_: i32, _: i64, _: *mut u8) {
unreachable!()
}
wit_import1((self).handle() as i32, _rt::as_i64(size), ptr0);
let l2 = i32::from(*ptr0.add(0).cast::<u8>());
let result4 = match l2 {
0 => {
let e = ();
Ok(e)
}
1 => {
let e = {
let l3 = i32::from(*ptr0.add(1).cast::<u8>());
ErrorCode::_lift(l3 as u8)
};
Err(e)
}
_ => _rt::invalid_enum_discriminant(),
};
result4
}
}
}
impl Descriptor {
#[allow(unused_unsafe, clippy::all)]
/// Adjust the timestamps of an open file or directory.
///
/// Note: This is similar to `futimens` in POSIX.
///
/// Note: This was called `fd_filestat_set_times` in earlier versions of WASI.
#[allow(async_fn_in_trait)]
pub fn set_times(
&self,
data_access_timestamp: NewTimestamp,
data_modification_timestamp: NewTimestamp,
) -> Result<(), ErrorCode> {
unsafe {
#[repr(align(1))]
struct RetArea([::core::mem::MaybeUninit<u8>; 2]);
let mut ret_area = RetArea(
[::core::mem::MaybeUninit::uninit(); 2],
);
let (result1_0, result1_1, result1_2) = match data_access_timestamp {
NewTimestamp::NoChange => (0i32, 0i64, 0i32),
NewTimestamp::Now => (1i32, 0i64, 0i32),
NewTimestamp::Timestamp(e) => {
let super::super::super::wasi::clocks::wall_clock::Datetime {
seconds: seconds0,
nanoseconds: nanoseconds0,
} = e;
(2i32, _rt::as_i64(seconds0), _rt::as_i32(nanoseconds0))
}
};
let (result3_0, result3_1, result3_2) = match data_modification_timestamp {
NewTimestamp::NoChange => (0i32, 0i64, 0i32),
NewTimestamp::Now => (1i32, 0i64, 0i32),
NewTimestamp::Timestamp(e) => {
let super::super::super::wasi::clocks::wall_clock::Datetime {
seconds: seconds2,
nanoseconds: nanoseconds2,
} = e;
(2i32, _rt::as_i64(seconds2), _rt::as_i32(nanoseconds2))
}
};
let ptr4 = ret_area.0.as_mut_ptr().cast::<u8>();
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:filesystem/types@0.2.4")]
unsafe extern "C" {
#[link_name = "[method]descriptor.set-times"]
fn wit_import5(
_: i32,
_: i32,
_: i64,
_: i32,
_: i32,
_: i64,
_: i32,
_: *mut u8,
);
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import5(
_: i32,
_: i32,
_: i64,
_: i32,
_: i32,
_: i64,
_: i32,
_: *mut u8,
) {
unreachable!()
}
wit_import5(
(self).handle() as i32,
result1_0,
result1_1,
result1_2,
result3_0,
result3_1,
result3_2,
ptr4,
);
let l6 = i32::from(*ptr4.add(0).cast::<u8>());
let result8 = match l6 {
0 => {
let e = ();
Ok(e)
}
1 => {
let e = {
let l7 = i32::from(*ptr4.add(1).cast::<u8>());
ErrorCode::_lift(l7 as u8)
};
Err(e)
}
_ => _rt::invalid_enum_discriminant(),
};
result8
}
}
}
impl Descriptor {
#[allow(unused_unsafe, clippy::all)]
/// Read from a descriptor, without using and updating the descriptor's offset.
///
/// This function returns a list of bytes containing the data that was
/// read, along with a bool which, when true, indicates that the end of the
/// file was reached. The returned list will contain up to `length` bytes; it
/// may return fewer than requested, if the end of the file is reached or
/// if the I/O operation is interrupted.
///
/// In the future, this may change to return a `stream<u8, error-code>`.
///
/// Note: This is similar to `pread` in POSIX.
#[allow(async_fn_in_trait)]
pub fn read(
&self,
length: Filesize,
offset: Filesize,
) -> Result<(_rt::Vec<u8>, bool), ErrorCode> {
unsafe {
#[cfg_attr(target_pointer_width = "64", repr(align(8)))]
#[cfg_attr(target_pointer_width = "32", repr(align(4)))]
struct RetArea(
[::core::mem::MaybeUninit<
u8,
>; 4 * ::core::mem::size_of::<*const u8>()],
);
let mut ret_area = RetArea(
[::core::mem::MaybeUninit::uninit(); 4
* ::core::mem::size_of::<*const u8>()],
);
let ptr0 = ret_area.0.as_mut_ptr().cast::<u8>();
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:filesystem/types@0.2.4")]
unsafe extern "C" {
#[link_name = "[method]descriptor.read"]
fn wit_import1(_: i32, _: i64, _: i64, _: *mut u8);
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import1(
_: i32,
_: i64,
_: i64,
_: *mut u8,
) {
unreachable!()
}
wit_import1(
(self).handle() as i32,
_rt::as_i64(length),
_rt::as_i64(offset),
ptr0,
);
let l2 = i32::from(*ptr0.add(0).cast::<u8>());
let result8 = match l2 {
0 => {
let e = {
let l3 = *ptr0
.add(::core::mem::size_of::<*const u8>())
.cast::<*mut u8>();
let l4 = *ptr0
.add(2 * ::core::mem::size_of::<*const u8>())
.cast::<usize>();
let len5 = l4;
let l6 = i32::from(
*ptr0
.add(3 * ::core::mem::size_of::<*const u8>())
.cast::<u8>(),
);
(
_rt::Vec::from_raw_parts(l3.cast(), len5, len5),
_rt::bool_lift(l6 as u8),
)
};
Ok(e)
}
1 => {
let e = {
let l7 = i32::from(
*ptr0.add(::core::mem::size_of::<*const u8>()).cast::<u8>(),
);
ErrorCode::_lift(l7 as u8)
};
Err(e)
}
_ => _rt::invalid_enum_discriminant(),
};
result8
}
}
}
impl Descriptor {
#[allow(unused_unsafe, clippy::all)]
/// Write to a descriptor, without using and updating the descriptor's offset.
///
/// It is valid to write past the end of a file; the file is extended to the
/// extent of the write, with bytes between the previous end and the start of
/// the write set to zero.
///
/// In the future, this may change to take a `stream<u8, error-code>`.
///
/// Note: This is similar to `pwrite` in POSIX.
#[allow(async_fn_in_trait)]
pub fn write(
&self,
buffer: &[u8],
offset: Filesize,
) -> Result<Filesize, ErrorCode> {
unsafe {
#[repr(align(8))]
struct RetArea([::core::mem::MaybeUninit<u8>; 16]);
let mut ret_area = RetArea(
[::core::mem::MaybeUninit::uninit(); 16],
);
let vec0 = buffer;
let ptr0 = vec0.as_ptr().cast::<u8>();
let len0 = vec0.len();
let ptr1 = ret_area.0.as_mut_ptr().cast::<u8>();
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:filesystem/types@0.2.4")]
unsafe extern "C" {
#[link_name = "[method]descriptor.write"]
fn wit_import2(
_: i32,
_: *mut u8,
_: usize,
_: i64,
_: *mut u8,
);
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import2(
_: i32,
_: *mut u8,
_: usize,
_: i64,
_: *mut u8,
) {
unreachable!()
}
wit_import2(
(self).handle() as i32,
ptr0.cast_mut(),
len0,
_rt::as_i64(offset),
ptr1,
);
let l3 = i32::from(*ptr1.add(0).cast::<u8>());
let result6 = match l3 {
0 => {
let e = {
let l4 = *ptr1.add(8).cast::<i64>();
l4 as u64
};
Ok(e)
}
1 => {
let e = {
let l5 = i32::from(*ptr1.add(8).cast::<u8>());
ErrorCode::_lift(l5 as u8)
};
Err(e)
}
_ => _rt::invalid_enum_discriminant(),
};
result6
}
}
}
impl Descriptor {
#[allow(unused_unsafe, clippy::all)]
/// Read directory entries from a directory.
///
/// On filesystems where directories contain entries referring to themselves
/// and their parents, often named `.` and `..` respectively, these entries
/// are omitted.
///
/// This always returns a new stream which starts at the beginning of the
/// directory. Multiple streams may be active on the same directory, and they
/// do not interfere with each other.
#[allow(async_fn_in_trait)]
pub fn read_directory(&self) -> Result<DirectoryEntryStream, ErrorCode> {
unsafe {
#[repr(align(4))]
struct RetArea([::core::mem::MaybeUninit<u8>; 8]);
let mut ret_area = RetArea(
[::core::mem::MaybeUninit::uninit(); 8],
);
let ptr0 = ret_area.0.as_mut_ptr().cast::<u8>();
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:filesystem/types@0.2.4")]
unsafe extern "C" {
#[link_name = "[method]descriptor.read-directory"]
fn wit_import1(_: i32, _: *mut u8);
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import1(_: i32, _: *mut u8) {
unreachable!()
}
wit_import1((self).handle() as i32, ptr0);
let l2 = i32::from(*ptr0.add(0).cast::<u8>());
let result5 = match l2 {
0 => {
let e = {
let l3 = *ptr0.add(4).cast::<i32>();
DirectoryEntryStream::from_handle(l3 as u32)
};
Ok(e)
}
1 => {
let e = {
let l4 = i32::from(*ptr0.add(4).cast::<u8>());
ErrorCode::_lift(l4 as u8)
};
Err(e)
}
_ => _rt::invalid_enum_discriminant(),
};
result5
}
}
}
impl Descriptor {
#[allow(unused_unsafe, clippy::all)]
/// Synchronize the data and metadata of a file to disk.
///
/// This function succeeds with no effect if the file descriptor is not
/// opened for writing.
///
/// Note: This is similar to `fsync` in POSIX.
#[allow(async_fn_in_trait)]
pub fn sync(&self) -> Result<(), ErrorCode> {
unsafe {
#[repr(align(1))]
struct RetArea([::core::mem::MaybeUninit<u8>; 2]);
let mut ret_area = RetArea(
[::core::mem::MaybeUninit::uninit(); 2],
);
let ptr0 = ret_area.0.as_mut_ptr().cast::<u8>();
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:filesystem/types@0.2.4")]
unsafe extern "C" {
#[link_name = "[method]descriptor.sync"]
fn wit_import1(_: i32, _: *mut u8);
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import1(_: i32, _: *mut u8) {
unreachable!()
}
wit_import1((self).handle() as i32, ptr0);
let l2 = i32::from(*ptr0.add(0).cast::<u8>());
let result4 = match l2 {
0 => {
let e = ();
Ok(e)
}
1 => {
let e = {
let l3 = i32::from(*ptr0.add(1).cast::<u8>());
ErrorCode::_lift(l3 as u8)
};
Err(e)
}
_ => _rt::invalid_enum_discriminant(),
};
result4
}
}
}
impl Descriptor {
#[allow(unused_unsafe, clippy::all)]
/// Create a directory.
///
/// Note: This is similar to `mkdirat` in POSIX.
#[allow(async_fn_in_trait)]
pub fn create_directory_at(&self, path: &str) -> Result<(), ErrorCode> {
unsafe {
#[repr(align(1))]
struct RetArea([::core::mem::MaybeUninit<u8>; 2]);
let mut ret_area = RetArea(
[::core::mem::MaybeUninit::uninit(); 2],
);
let vec0 = path;
let ptr0 = vec0.as_ptr().cast::<u8>();
let len0 = vec0.len();
let ptr1 = ret_area.0.as_mut_ptr().cast::<u8>();
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:filesystem/types@0.2.4")]
unsafe extern "C" {
#[link_name = "[method]descriptor.create-directory-at"]
fn wit_import2(_: i32, _: *mut u8, _: usize, _: *mut u8);
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import2(
_: i32,
_: *mut u8,
_: usize,
_: *mut u8,
) {
unreachable!()
}
wit_import2((self).handle() as i32, ptr0.cast_mut(), len0, ptr1);
let l3 = i32::from(*ptr1.add(0).cast::<u8>());
let result5 = match l3 {
0 => {
let e = ();
Ok(e)
}
1 => {
let e = {
let l4 = i32::from(*ptr1.add(1).cast::<u8>());
ErrorCode::_lift(l4 as u8)
};
Err(e)
}
_ => _rt::invalid_enum_discriminant(),
};
result5
}
}
}
impl Descriptor {
#[allow(unused_unsafe, clippy::all)]
/// Return the attributes of an open file or directory.
///
/// Note: This is similar to `fstat` in POSIX, except that it does not return
/// device and inode information. For testing whether two descriptors refer to
/// the same underlying filesystem object, use `is-same-object`. To obtain
/// additional data that can be used do determine whether a file has been
/// modified, use `metadata-hash`.
///
/// Note: This was called `fd_filestat_get` in earlier versions of WASI.
#[allow(async_fn_in_trait)]
pub fn stat(&self) -> Result<DescriptorStat, ErrorCode> {
unsafe {
#[repr(align(8))]
struct RetArea([::core::mem::MaybeUninit<u8>; 104]);
let mut ret_area = RetArea(
[::core::mem::MaybeUninit::uninit(); 104],
);
let ptr0 = ret_area.0.as_mut_ptr().cast::<u8>();
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:filesystem/types@0.2.4")]
unsafe extern "C" {
#[link_name = "[method]descriptor.stat"]
fn wit_import1(_: i32, _: *mut u8);
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import1(_: i32, _: *mut u8) {
unreachable!()
}
wit_import1((self).handle() as i32, ptr0);
let l2 = i32::from(*ptr0.add(0).cast::<u8>());
let result16 = match l2 {
0 => {
let e = {
let l3 = i32::from(*ptr0.add(8).cast::<u8>());
let l4 = *ptr0.add(16).cast::<i64>();
let l5 = *ptr0.add(24).cast::<i64>();
let l6 = i32::from(*ptr0.add(32).cast::<u8>());
let l9 = i32::from(*ptr0.add(56).cast::<u8>());
let l12 = i32::from(*ptr0.add(80).cast::<u8>());
DescriptorStat {
type_: DescriptorType::_lift(l3 as u8),
link_count: l4 as u64,
size: l5 as u64,
data_access_timestamp: match l6 {
0 => None,
1 => {
let e = {
let l7 = *ptr0.add(40).cast::<i64>();
let l8 = *ptr0.add(48).cast::<i32>();
super::super::super::wasi::clocks::wall_clock::Datetime {
seconds: l7 as u64,
nanoseconds: l8 as u32,
}
};
Some(e)
}
_ => _rt::invalid_enum_discriminant(),
},
data_modification_timestamp: match l9 {
0 => None,
1 => {
let e = {
let l10 = *ptr0.add(64).cast::<i64>();
let l11 = *ptr0.add(72).cast::<i32>();
super::super::super::wasi::clocks::wall_clock::Datetime {
seconds: l10 as u64,
nanoseconds: l11 as u32,
}
};
Some(e)
}
_ => _rt::invalid_enum_discriminant(),
},
status_change_timestamp: match l12 {
0 => None,
1 => {
let e = {
let l13 = *ptr0.add(88).cast::<i64>();
let l14 = *ptr0.add(96).cast::<i32>();
super::super::super::wasi::clocks::wall_clock::Datetime {
seconds: l13 as u64,
nanoseconds: l14 as u32,
}
};
Some(e)
}
_ => _rt::invalid_enum_discriminant(),
},
}
};
Ok(e)
}
1 => {
let e = {
let l15 = i32::from(*ptr0.add(8).cast::<u8>());
ErrorCode::_lift(l15 as u8)
};
Err(e)
}
_ => _rt::invalid_enum_discriminant(),
};
result16
}
}
}
impl Descriptor {
#[allow(unused_unsafe, clippy::all)]
/// Return the attributes of a file or directory.
///
/// Note: This is similar to `fstatat` in POSIX, except that it does not
/// return device and inode information. See the `stat` description for a
/// discussion of alternatives.
///
/// Note: This was called `path_filestat_get` in earlier versions of WASI.
#[allow(async_fn_in_trait)]
pub fn stat_at(
&self,
path_flags: PathFlags,
path: &str,
) -> Result<DescriptorStat, ErrorCode> {
unsafe {
#[repr(align(8))]
struct RetArea([::core::mem::MaybeUninit<u8>; 104]);
let mut ret_area = RetArea(
[::core::mem::MaybeUninit::uninit(); 104],
);
let flags0 = path_flags;
let vec1 = path;
let ptr1 = vec1.as_ptr().cast::<u8>();
let len1 = vec1.len();
let ptr2 = ret_area.0.as_mut_ptr().cast::<u8>();
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:filesystem/types@0.2.4")]
unsafe extern "C" {
#[link_name = "[method]descriptor.stat-at"]
fn wit_import3(
_: i32,
_: i32,
_: *mut u8,
_: usize,
_: *mut u8,
);
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import3(
_: i32,
_: i32,
_: *mut u8,
_: usize,
_: *mut u8,
) {
unreachable!()
}
wit_import3(
(self).handle() as i32,
(flags0.bits() >> 0) as i32,
ptr1.cast_mut(),
len1,
ptr2,
);
let l4 = i32::from(*ptr2.add(0).cast::<u8>());
let result18 = match l4 {
0 => {
let e = {
let l5 = i32::from(*ptr2.add(8).cast::<u8>());
let l6 = *ptr2.add(16).cast::<i64>();
let l7 = *ptr2.add(24).cast::<i64>();
let l8 = i32::from(*ptr2.add(32).cast::<u8>());
let l11 = i32::from(*ptr2.add(56).cast::<u8>());
let l14 = i32::from(*ptr2.add(80).cast::<u8>());
DescriptorStat {
type_: DescriptorType::_lift(l5 as u8),
link_count: l6 as u64,
size: l7 as u64,
data_access_timestamp: match l8 {
0 => None,
1 => {
let e = {
let l9 = *ptr2.add(40).cast::<i64>();
let l10 = *ptr2.add(48).cast::<i32>();
super::super::super::wasi::clocks::wall_clock::Datetime {
seconds: l9 as u64,
nanoseconds: l10 as u32,
}
};
Some(e)
}
_ => _rt::invalid_enum_discriminant(),
},
data_modification_timestamp: match l11 {
0 => None,
1 => {
let e = {
let l12 = *ptr2.add(64).cast::<i64>();
let l13 = *ptr2.add(72).cast::<i32>();
super::super::super::wasi::clocks::wall_clock::Datetime {
seconds: l12 as u64,
nanoseconds: l13 as u32,
}
};
Some(e)
}
_ => _rt::invalid_enum_discriminant(),
},
status_change_timestamp: match l14 {
0 => None,
1 => {
let e = {
let l15 = *ptr2.add(88).cast::<i64>();
let l16 = *ptr2.add(96).cast::<i32>();
super::super::super::wasi::clocks::wall_clock::Datetime {
seconds: l15 as u64,
nanoseconds: l16 as u32,
}
};
Some(e)
}
_ => _rt::invalid_enum_discriminant(),
},
}
};
Ok(e)
}
1 => {
let e = {
let l17 = i32::from(*ptr2.add(8).cast::<u8>());
ErrorCode::_lift(l17 as u8)
};
Err(e)
}
_ => _rt::invalid_enum_discriminant(),
};
result18
}
}
}
impl Descriptor {
#[allow(unused_unsafe, clippy::all)]
/// Adjust the timestamps of a file or directory.
///
/// Note: This is similar to `utimensat` in POSIX.
///
/// Note: This was called `path_filestat_set_times` in earlier versions of
/// WASI.
#[allow(async_fn_in_trait)]
pub fn set_times_at(
&self,
path_flags: PathFlags,
path: &str,
data_access_timestamp: NewTimestamp,
data_modification_timestamp: NewTimestamp,
) -> Result<(), ErrorCode> {
unsafe {
#[repr(align(1))]
struct RetArea([::core::mem::MaybeUninit<u8>; 2]);
let mut ret_area = RetArea(
[::core::mem::MaybeUninit::uninit(); 2],
);
let flags0 = path_flags;
let vec1 = path;
let ptr1 = vec1.as_ptr().cast::<u8>();
let len1 = vec1.len();
let (result3_0, result3_1, result3_2) = match data_access_timestamp {
NewTimestamp::NoChange => (0i32, 0i64, 0i32),
NewTimestamp::Now => (1i32, 0i64, 0i32),
NewTimestamp::Timestamp(e) => {
let super::super::super::wasi::clocks::wall_clock::Datetime {
seconds: seconds2,
nanoseconds: nanoseconds2,
} = e;
(2i32, _rt::as_i64(seconds2), _rt::as_i32(nanoseconds2))
}
};
let (result5_0, result5_1, result5_2) = match data_modification_timestamp {
NewTimestamp::NoChange => (0i32, 0i64, 0i32),
NewTimestamp::Now => (1i32, 0i64, 0i32),
NewTimestamp::Timestamp(e) => {
let super::super::super::wasi::clocks::wall_clock::Datetime {
seconds: seconds4,
nanoseconds: nanoseconds4,
} = e;
(2i32, _rt::as_i64(seconds4), _rt::as_i32(nanoseconds4))
}
};
let ptr6 = ret_area.0.as_mut_ptr().cast::<u8>();
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:filesystem/types@0.2.4")]
unsafe extern "C" {
#[link_name = "[method]descriptor.set-times-at"]
fn wit_import7(
_: i32,
_: i32,
_: *mut u8,
_: usize,
_: i32,
_: i64,
_: i32,
_: i32,
_: i64,
_: i32,
_: *mut u8,
);
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import7(
_: i32,
_: i32,
_: *mut u8,
_: usize,
_: i32,
_: i64,
_: i32,
_: i32,
_: i64,
_: i32,
_: *mut u8,
) {
unreachable!()
}
wit_import7(
(self).handle() as i32,
(flags0.bits() >> 0) as i32,
ptr1.cast_mut(),
len1,
result3_0,
result3_1,
result3_2,
result5_0,
result5_1,
result5_2,
ptr6,
);
let l8 = i32::from(*ptr6.add(0).cast::<u8>());
let result10 = match l8 {
0 => {
let e = ();
Ok(e)
}
1 => {
let e = {
let l9 = i32::from(*ptr6.add(1).cast::<u8>());
ErrorCode::_lift(l9 as u8)
};
Err(e)
}
_ => _rt::invalid_enum_discriminant(),
};
result10
}
}
}
impl Descriptor {
#[allow(unused_unsafe, clippy::all)]
/// Create a hard link.
///
/// Fails with `error-code::no-entry` if the old path does not exist,
/// with `error-code::exist` if the new path already exists, and
/// `error-code::not-permitted` if the old path is not a file.
///
/// Note: This is similar to `linkat` in POSIX.
#[allow(async_fn_in_trait)]
pub fn link_at(
&self,
old_path_flags: PathFlags,
old_path: &str,
new_descriptor: &Descriptor,
new_path: &str,
) -> Result<(), ErrorCode> {
unsafe {
#[repr(align(1))]
struct RetArea([::core::mem::MaybeUninit<u8>; 2]);
let mut ret_area = RetArea(
[::core::mem::MaybeUninit::uninit(); 2],
);
let flags0 = old_path_flags;
let vec1 = old_path;
let ptr1 = vec1.as_ptr().cast::<u8>();
let len1 = vec1.len();
let vec2 = new_path;
let ptr2 = vec2.as_ptr().cast::<u8>();
let len2 = vec2.len();
let ptr3 = ret_area.0.as_mut_ptr().cast::<u8>();
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:filesystem/types@0.2.4")]
unsafe extern "C" {
#[link_name = "[method]descriptor.link-at"]
fn wit_import4(
_: i32,
_: i32,
_: *mut u8,
_: usize,
_: i32,
_: *mut u8,
_: usize,
_: *mut u8,
);
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import4(
_: i32,
_: i32,
_: *mut u8,
_: usize,
_: i32,
_: *mut u8,
_: usize,
_: *mut u8,
) {
unreachable!()
}
wit_import4(
(self).handle() as i32,
(flags0.bits() >> 0) as i32,
ptr1.cast_mut(),
len1,
(new_descriptor).handle() as i32,
ptr2.cast_mut(),
len2,
ptr3,
);
let l5 = i32::from(*ptr3.add(0).cast::<u8>());
let result7 = match l5 {
0 => {
let e = ();
Ok(e)
}
1 => {
let e = {
let l6 = i32::from(*ptr3.add(1).cast::<u8>());
ErrorCode::_lift(l6 as u8)
};
Err(e)
}
_ => _rt::invalid_enum_discriminant(),
};
result7
}
}
}
impl Descriptor {
#[allow(unused_unsafe, clippy::all)]
/// Open a file or directory.
///
/// If `flags` contains `descriptor-flags::mutate-directory`, and the base
/// descriptor doesn't have `descriptor-flags::mutate-directory` set,
/// `open-at` fails with `error-code::read-only`.
///
/// If `flags` contains `write` or `mutate-directory`, or `open-flags`
/// contains `truncate` or `create`, and the base descriptor doesn't have
/// `descriptor-flags::mutate-directory` set, `open-at` fails with
/// `error-code::read-only`.
///
/// Note: This is similar to `openat` in POSIX.
#[allow(async_fn_in_trait)]
pub fn open_at(
&self,
path_flags: PathFlags,
path: &str,
open_flags: OpenFlags,
flags: DescriptorFlags,
) -> Result<Descriptor, ErrorCode> {
unsafe {
#[repr(align(4))]
struct RetArea([::core::mem::MaybeUninit<u8>; 8]);
let mut ret_area = RetArea(
[::core::mem::MaybeUninit::uninit(); 8],
);
let flags0 = path_flags;
let vec1 = path;
let ptr1 = vec1.as_ptr().cast::<u8>();
let len1 = vec1.len();
let flags2 = open_flags;
let flags3 = flags;
let ptr4 = ret_area.0.as_mut_ptr().cast::<u8>();
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:filesystem/types@0.2.4")]
unsafe extern "C" {
#[link_name = "[method]descriptor.open-at"]
fn wit_import5(
_: i32,
_: i32,
_: *mut u8,
_: usize,
_: i32,
_: i32,
_: *mut u8,
);
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import5(
_: i32,
_: i32,
_: *mut u8,
_: usize,
_: i32,
_: i32,
_: *mut u8,
) {
unreachable!()
}
wit_import5(
(self).handle() as i32,
(flags0.bits() >> 0) as i32,
ptr1.cast_mut(),
len1,
(flags2.bits() >> 0) as i32,
(flags3.bits() >> 0) as i32,
ptr4,
);
let l6 = i32::from(*ptr4.add(0).cast::<u8>());
let result9 = match l6 {
0 => {
let e = {
let l7 = *ptr4.add(4).cast::<i32>();
Descriptor::from_handle(l7 as u32)
};
Ok(e)
}
1 => {
let e = {
let l8 = i32::from(*ptr4.add(4).cast::<u8>());
ErrorCode::_lift(l8 as u8)
};
Err(e)
}
_ => _rt::invalid_enum_discriminant(),
};
result9
}
}
}
impl Descriptor {
#[allow(unused_unsafe, clippy::all)]
/// Read the contents of a symbolic link.
///
/// If the contents contain an absolute or rooted path in the underlying
/// filesystem, this function fails with `error-code::not-permitted`.
///
/// Note: This is similar to `readlinkat` in POSIX.
#[allow(async_fn_in_trait)]
pub fn readlink_at(&self, path: &str) -> Result<_rt::String, ErrorCode> {
unsafe {
#[cfg_attr(target_pointer_width = "64", repr(align(8)))]
#[cfg_attr(target_pointer_width = "32", repr(align(4)))]
struct RetArea(
[::core::mem::MaybeUninit<
u8,
>; 3 * ::core::mem::size_of::<*const u8>()],
);
let mut ret_area = RetArea(
[::core::mem::MaybeUninit::uninit(); 3
* ::core::mem::size_of::<*const u8>()],
);
let vec0 = path;
let ptr0 = vec0.as_ptr().cast::<u8>();
let len0 = vec0.len();
let ptr1 = ret_area.0.as_mut_ptr().cast::<u8>();
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:filesystem/types@0.2.4")]
unsafe extern "C" {
#[link_name = "[method]descriptor.readlink-at"]
fn wit_import2(_: i32, _: *mut u8, _: usize, _: *mut u8);
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import2(
_: i32,
_: *mut u8,
_: usize,
_: *mut u8,
) {
unreachable!()
}
wit_import2((self).handle() as i32, ptr0.cast_mut(), len0, ptr1);
let l3 = i32::from(*ptr1.add(0).cast::<u8>());
let result8 = match l3 {
0 => {
let e = {
let l4 = *ptr1
.add(::core::mem::size_of::<*const u8>())
.cast::<*mut u8>();
let l5 = *ptr1
.add(2 * ::core::mem::size_of::<*const u8>())
.cast::<usize>();
let len6 = l5;
let bytes6 = _rt::Vec::from_raw_parts(
l4.cast(),
len6,
len6,
);
_rt::string_lift(bytes6)
};
Ok(e)
}
1 => {
let e = {
let l7 = i32::from(
*ptr1.add(::core::mem::size_of::<*const u8>()).cast::<u8>(),
);
ErrorCode::_lift(l7 as u8)
};
Err(e)
}
_ => _rt::invalid_enum_discriminant(),
};
result8
}
}
}
impl Descriptor {
#[allow(unused_unsafe, clippy::all)]
/// Remove a directory.
///
/// Return `error-code::not-empty` if the directory is not empty.
///
/// Note: This is similar to `unlinkat(fd, path, AT_REMOVEDIR)` in POSIX.
#[allow(async_fn_in_trait)]
pub fn remove_directory_at(&self, path: &str) -> Result<(), ErrorCode> {
unsafe {
#[repr(align(1))]
struct RetArea([::core::mem::MaybeUninit<u8>; 2]);
let mut ret_area = RetArea(
[::core::mem::MaybeUninit::uninit(); 2],
);
let vec0 = path;
let ptr0 = vec0.as_ptr().cast::<u8>();
let len0 = vec0.len();
let ptr1 = ret_area.0.as_mut_ptr().cast::<u8>();
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:filesystem/types@0.2.4")]
unsafe extern "C" {
#[link_name = "[method]descriptor.remove-directory-at"]
fn wit_import2(_: i32, _: *mut u8, _: usize, _: *mut u8);
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import2(
_: i32,
_: *mut u8,
_: usize,
_: *mut u8,
) {
unreachable!()
}
wit_import2((self).handle() as i32, ptr0.cast_mut(), len0, ptr1);
let l3 = i32::from(*ptr1.add(0).cast::<u8>());
let result5 = match l3 {
0 => {
let e = ();
Ok(e)
}
1 => {
let e = {
let l4 = i32::from(*ptr1.add(1).cast::<u8>());
ErrorCode::_lift(l4 as u8)
};
Err(e)
}
_ => _rt::invalid_enum_discriminant(),
};
result5
}
}
}
impl Descriptor {
#[allow(unused_unsafe, clippy::all)]
/// Rename a filesystem object.
///
/// Note: This is similar to `renameat` in POSIX.
#[allow(async_fn_in_trait)]
pub fn rename_at(
&self,
old_path: &str,
new_descriptor: &Descriptor,
new_path: &str,
) -> Result<(), ErrorCode> {
unsafe {
#[repr(align(1))]
struct RetArea([::core::mem::MaybeUninit<u8>; 2]);
let mut ret_area = RetArea(
[::core::mem::MaybeUninit::uninit(); 2],
);
let vec0 = old_path;
let ptr0 = vec0.as_ptr().cast::<u8>();
let len0 = vec0.len();
let vec1 = new_path;
let ptr1 = vec1.as_ptr().cast::<u8>();
let len1 = vec1.len();
let ptr2 = ret_area.0.as_mut_ptr().cast::<u8>();
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:filesystem/types@0.2.4")]
unsafe extern "C" {
#[link_name = "[method]descriptor.rename-at"]
fn wit_import3(
_: i32,
_: *mut u8,
_: usize,
_: i32,
_: *mut u8,
_: usize,
_: *mut u8,
);
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import3(
_: i32,
_: *mut u8,
_: usize,
_: i32,
_: *mut u8,
_: usize,
_: *mut u8,
) {
unreachable!()
}
wit_import3(
(self).handle() as i32,
ptr0.cast_mut(),
len0,
(new_descriptor).handle() as i32,
ptr1.cast_mut(),
len1,
ptr2,
);
let l4 = i32::from(*ptr2.add(0).cast::<u8>());
let result6 = match l4 {
0 => {
let e = ();
Ok(e)
}
1 => {
let e = {
let l5 = i32::from(*ptr2.add(1).cast::<u8>());
ErrorCode::_lift(l5 as u8)
};
Err(e)
}
_ => _rt::invalid_enum_discriminant(),
};
result6
}
}
}
impl Descriptor {
#[allow(unused_unsafe, clippy::all)]
/// Create a symbolic link (also known as a "symlink").
///
/// If `old-path` starts with `/`, the function fails with
/// `error-code::not-permitted`.
///
/// Note: This is similar to `symlinkat` in POSIX.
#[allow(async_fn_in_trait)]
pub fn symlink_at(
&self,
old_path: &str,
new_path: &str,
) -> Result<(), ErrorCode> {
unsafe {
#[repr(align(1))]
struct RetArea([::core::mem::MaybeUninit<u8>; 2]);
let mut ret_area = RetArea(
[::core::mem::MaybeUninit::uninit(); 2],
);
let vec0 = old_path;
let ptr0 = vec0.as_ptr().cast::<u8>();
let len0 = vec0.len();
let vec1 = new_path;
let ptr1 = vec1.as_ptr().cast::<u8>();
let len1 = vec1.len();
let ptr2 = ret_area.0.as_mut_ptr().cast::<u8>();
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:filesystem/types@0.2.4")]
unsafe extern "C" {
#[link_name = "[method]descriptor.symlink-at"]
fn wit_import3(
_: i32,
_: *mut u8,
_: usize,
_: *mut u8,
_: usize,
_: *mut u8,
);
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import3(
_: i32,
_: *mut u8,
_: usize,
_: *mut u8,
_: usize,
_: *mut u8,
) {
unreachable!()
}
wit_import3(
(self).handle() as i32,
ptr0.cast_mut(),
len0,
ptr1.cast_mut(),
len1,
ptr2,
);
let l4 = i32::from(*ptr2.add(0).cast::<u8>());
let result6 = match l4 {
0 => {
let e = ();
Ok(e)
}
1 => {
let e = {
let l5 = i32::from(*ptr2.add(1).cast::<u8>());
ErrorCode::_lift(l5 as u8)
};
Err(e)
}
_ => _rt::invalid_enum_discriminant(),
};
result6
}
}
}
impl Descriptor {
#[allow(unused_unsafe, clippy::all)]
/// Unlink a filesystem object that is not a directory.
///
/// Return `error-code::is-directory` if the path refers to a directory.
/// Note: This is similar to `unlinkat(fd, path, 0)` in POSIX.
#[allow(async_fn_in_trait)]
pub fn unlink_file_at(&self, path: &str) -> Result<(), ErrorCode> {
unsafe {
#[repr(align(1))]
struct RetArea([::core::mem::MaybeUninit<u8>; 2]);
let mut ret_area = RetArea(
[::core::mem::MaybeUninit::uninit(); 2],
);
let vec0 = path;
let ptr0 = vec0.as_ptr().cast::<u8>();
let len0 = vec0.len();
let ptr1 = ret_area.0.as_mut_ptr().cast::<u8>();
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:filesystem/types@0.2.4")]
unsafe extern "C" {
#[link_name = "[method]descriptor.unlink-file-at"]
fn wit_import2(_: i32, _: *mut u8, _: usize, _: *mut u8);
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import2(
_: i32,
_: *mut u8,
_: usize,
_: *mut u8,
) {
unreachable!()
}
wit_import2((self).handle() as i32, ptr0.cast_mut(), len0, ptr1);
let l3 = i32::from(*ptr1.add(0).cast::<u8>());
let result5 = match l3 {
0 => {
let e = ();
Ok(e)
}
1 => {
let e = {
let l4 = i32::from(*ptr1.add(1).cast::<u8>());
ErrorCode::_lift(l4 as u8)
};
Err(e)
}
_ => _rt::invalid_enum_discriminant(),
};
result5
}
}
}
impl Descriptor {
#[allow(unused_unsafe, clippy::all)]
/// Test whether two descriptors refer to the same filesystem object.
///
/// In POSIX, this corresponds to testing whether the two descriptors have the
/// same device (`st_dev`) and inode (`st_ino` or `d_ino`) numbers.
/// wasi-filesystem does not expose device and inode numbers, so this function
/// may be used instead.
#[allow(async_fn_in_trait)]
pub fn is_same_object(&self, other: &Descriptor) -> bool {
unsafe {
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:filesystem/types@0.2.4")]
unsafe extern "C" {
#[link_name = "[method]descriptor.is-same-object"]
fn wit_import0(_: i32, _: i32) -> i32;
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import0(_: i32, _: i32) -> i32 {
unreachable!()
}
let ret = wit_import0(
(self).handle() as i32,
(other).handle() as i32,
);
_rt::bool_lift(ret as u8)
}
}
}
impl Descriptor {
#[allow(unused_unsafe, clippy::all)]
/// Return a hash of the metadata associated with a filesystem object referred
/// to by a descriptor.
///
/// This returns a hash of the last-modification timestamp and file size, and
/// may also include the inode number, device number, birth timestamp, and
/// other metadata fields that may change when the file is modified or
/// replaced. It may also include a secret value chosen by the
/// implementation and not otherwise exposed.
///
/// Implementations are encouraged to provide the following properties:
///
/// - If the file is not modified or replaced, the computed hash value should
/// usually not change.
/// - If the object is modified or replaced, the computed hash value should
/// usually change.
/// - The inputs to the hash should not be easily computable from the
/// computed hash.
///
/// However, none of these is required.
#[allow(async_fn_in_trait)]
pub fn metadata_hash(&self) -> Result<MetadataHashValue, ErrorCode> {
unsafe {
#[repr(align(8))]
struct RetArea([::core::mem::MaybeUninit<u8>; 24]);
let mut ret_area = RetArea(
[::core::mem::MaybeUninit::uninit(); 24],
);
let ptr0 = ret_area.0.as_mut_ptr().cast::<u8>();
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:filesystem/types@0.2.4")]
unsafe extern "C" {
#[link_name = "[method]descriptor.metadata-hash"]
fn wit_import1(_: i32, _: *mut u8);
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import1(_: i32, _: *mut u8) {
unreachable!()
}
wit_import1((self).handle() as i32, ptr0);
let l2 = i32::from(*ptr0.add(0).cast::<u8>());
let result6 = match l2 {
0 => {
let e = {
let l3 = *ptr0.add(8).cast::<i64>();
let l4 = *ptr0.add(16).cast::<i64>();
MetadataHashValue {
lower: l3 as u64,
upper: l4 as u64,
}
};
Ok(e)
}
1 => {
let e = {
let l5 = i32::from(*ptr0.add(8).cast::<u8>());
ErrorCode::_lift(l5 as u8)
};
Err(e)
}
_ => _rt::invalid_enum_discriminant(),
};
result6
}
}
}
impl Descriptor {
#[allow(unused_unsafe, clippy::all)]
/// Return a hash of the metadata associated with a filesystem object referred
/// to by a directory descriptor and a relative path.
///
/// This performs the same hash computation as `metadata-hash`.
#[allow(async_fn_in_trait)]
pub fn metadata_hash_at(
&self,
path_flags: PathFlags,
path: &str,
) -> Result<MetadataHashValue, ErrorCode> {
unsafe {
#[repr(align(8))]
struct RetArea([::core::mem::MaybeUninit<u8>; 24]);
let mut ret_area = RetArea(
[::core::mem::MaybeUninit::uninit(); 24],
);
let flags0 = path_flags;
let vec1 = path;
let ptr1 = vec1.as_ptr().cast::<u8>();
let len1 = vec1.len();
let ptr2 = ret_area.0.as_mut_ptr().cast::<u8>();
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:filesystem/types@0.2.4")]
unsafe extern "C" {
#[link_name = "[method]descriptor.metadata-hash-at"]
fn wit_import3(
_: i32,
_: i32,
_: *mut u8,
_: usize,
_: *mut u8,
);
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import3(
_: i32,
_: i32,
_: *mut u8,
_: usize,
_: *mut u8,
) {
unreachable!()
}
wit_import3(
(self).handle() as i32,
(flags0.bits() >> 0) as i32,
ptr1.cast_mut(),
len1,
ptr2,
);
let l4 = i32::from(*ptr2.add(0).cast::<u8>());
let result8 = match l4 {
0 => {
let e = {
let l5 = *ptr2.add(8).cast::<i64>();
let l6 = *ptr2.add(16).cast::<i64>();
MetadataHashValue {
lower: l5 as u64,
upper: l6 as u64,
}
};
Ok(e)
}
1 => {
let e = {
let l7 = i32::from(*ptr2.add(8).cast::<u8>());
ErrorCode::_lift(l7 as u8)
};
Err(e)
}
_ => _rt::invalid_enum_discriminant(),
};
result8
}
}
}
impl DirectoryEntryStream {
#[allow(unused_unsafe, clippy::all)]
/// Read a single directory entry from a `directory-entry-stream`.
#[allow(async_fn_in_trait)]
pub fn read_directory_entry(
&self,
) -> Result<Option<DirectoryEntry>, ErrorCode> {
unsafe {
#[cfg_attr(target_pointer_width = "64", repr(align(8)))]
#[cfg_attr(target_pointer_width = "32", repr(align(4)))]
struct RetArea(
[::core::mem::MaybeUninit<
u8,
>; 5 * ::core::mem::size_of::<*const u8>()],
);
let mut ret_area = RetArea(
[::core::mem::MaybeUninit::uninit(); 5
* ::core::mem::size_of::<*const u8>()],
);
let ptr0 = ret_area.0.as_mut_ptr().cast::<u8>();
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:filesystem/types@0.2.4")]
unsafe extern "C" {
#[link_name = "[method]directory-entry-stream.read-directory-entry"]
fn wit_import1(_: i32, _: *mut u8);
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import1(_: i32, _: *mut u8) {
unreachable!()
}
wit_import1((self).handle() as i32, ptr0);
let l2 = i32::from(*ptr0.add(0).cast::<u8>());
let result9 = match l2 {
0 => {
let e = {
let l3 = i32::from(
*ptr0.add(::core::mem::size_of::<*const u8>()).cast::<u8>(),
);
match l3 {
0 => None,
1 => {
let e = {
let l4 = i32::from(
*ptr0
.add(2 * ::core::mem::size_of::<*const u8>())
.cast::<u8>(),
);
let l5 = *ptr0
.add(3 * ::core::mem::size_of::<*const u8>())
.cast::<*mut u8>();
let l6 = *ptr0
.add(4 * ::core::mem::size_of::<*const u8>())
.cast::<usize>();
let len7 = l6;
let bytes7 = _rt::Vec::from_raw_parts(
l5.cast(),
len7,
len7,
);
DirectoryEntry {
type_: DescriptorType::_lift(l4 as u8),
name: _rt::string_lift(bytes7),
}
};
Some(e)
}
_ => _rt::invalid_enum_discriminant(),
}
};
Ok(e)
}
1 => {
let e = {
let l8 = i32::from(
*ptr0.add(::core::mem::size_of::<*const u8>()).cast::<u8>(),
);
ErrorCode::_lift(l8 as u8)
};
Err(e)
}
_ => _rt::invalid_enum_discriminant(),
};
result9
}
}
}
#[allow(unused_unsafe, clippy::all)]
/// Attempts to extract a filesystem-related `error-code` from the stream
/// `error` provided.
///
/// Stream operations which return `stream-error::last-operation-failed`
/// have a payload with more information about the operation that failed.
/// This payload can be passed through to this function to see if there's
/// filesystem-related information about the error to return.
///
/// Note that this function is fallible because not all stream-related
/// errors are filesystem-related errors.
#[allow(async_fn_in_trait)]
pub fn filesystem_error_code(err: &Error) -> Option<ErrorCode> {
unsafe {
#[repr(align(1))]
struct RetArea([::core::mem::MaybeUninit<u8>; 2]);
let mut ret_area = RetArea([::core::mem::MaybeUninit::uninit(); 2]);
let ptr0 = ret_area.0.as_mut_ptr().cast::<u8>();
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:filesystem/types@0.2.4")]
unsafe extern "C" {
#[link_name = "filesystem-error-code"]
fn wit_import1(_: i32, _: *mut u8);
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import1(_: i32, _: *mut u8) {
unreachable!()
}
wit_import1((err).handle() as i32, ptr0);
let l2 = i32::from(*ptr0.add(0).cast::<u8>());
let result4 = match l2 {
0 => None,
1 => {
let e = {
let l3 = i32::from(*ptr0.add(1).cast::<u8>());
ErrorCode::_lift(l3 as u8)
};
Some(e)
}
_ => _rt::invalid_enum_discriminant(),
};
result4
}
}
}
#[allow(dead_code, async_fn_in_trait, unused_imports, clippy::all)]
pub mod preopens {
#[used]
#[doc(hidden)]
static __FORCE_SECTION_REF: fn() = super::super::super::__link_custom_section_describing_imports;
use super::super::super::_rt;
pub type Descriptor = super::super::super::wasi::filesystem::types::Descriptor;
#[allow(unused_unsafe, clippy::all)]
/// Return the set of preopened directories, and their paths.
#[allow(async_fn_in_trait)]
pub fn get_directories() -> _rt::Vec<(Descriptor, _rt::String)> {
unsafe {
#[cfg_attr(target_pointer_width = "64", repr(align(8)))]
#[cfg_attr(target_pointer_width = "32", repr(align(4)))]
struct RetArea(
[::core::mem::MaybeUninit<
u8,
>; 2 * ::core::mem::size_of::<*const u8>()],
);
let mut ret_area = RetArea(
[::core::mem::MaybeUninit::uninit(); 2
* ::core::mem::size_of::<*const u8>()],
);
let ptr0 = ret_area.0.as_mut_ptr().cast::<u8>();
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:filesystem/preopens@0.2.4")]
unsafe extern "C" {
#[link_name = "get-directories"]
fn wit_import1(_: *mut u8);
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import1(_: *mut u8) {
unreachable!()
}
wit_import1(ptr0);
let l2 = *ptr0.add(0).cast::<*mut u8>();
let l3 = *ptr0
.add(::core::mem::size_of::<*const u8>())
.cast::<usize>();
let base8 = l2;
let len8 = l3;
let mut result8 = _rt::Vec::with_capacity(len8);
for i in 0..len8 {
let base = base8
.add(i * (3 * ::core::mem::size_of::<*const u8>()));
let e8 = {
let l4 = *base.add(0).cast::<i32>();
let l5 = *base
.add(::core::mem::size_of::<*const u8>())
.cast::<*mut u8>();
let l6 = *base
.add(2 * ::core::mem::size_of::<*const u8>())
.cast::<usize>();
let len7 = l6;
let bytes7 = _rt::Vec::from_raw_parts(l5.cast(), len7, len7);
(
super::super::super::wasi::filesystem::types::Descriptor::from_handle(
l4 as u32,
),
_rt::string_lift(bytes7),
)
};
result8.push(e8);
}
_rt::cabi_dealloc(
base8,
len8 * (3 * ::core::mem::size_of::<*const u8>()),
::core::mem::size_of::<*const u8>(),
);
let result9 = result8;
result9
}
}
}
}
pub mod io {
#[allow(dead_code, async_fn_in_trait, unused_imports, clippy::all)]
pub mod error {
#[used]
#[doc(hidden)]
static __FORCE_SECTION_REF: fn() = super::super::super::__link_custom_section_describing_imports;
use super::super::super::_rt;
/// A resource which represents some error information.
///
/// The only method provided by this resource is `to-debug-string`,
/// which provides some human-readable information about the error.
///
/// In the `wasi:io` package, this resource is returned through the
/// `wasi:io/streams/stream-error` type.
///
/// To provide more specific error information, other interfaces may
/// offer functions to "downcast" this error into more specific types. For example,
/// errors returned from streams derived from filesystem types can be described using
/// the filesystem's own error-code type. This is done using the function
/// `wasi:filesystem/types/filesystem-error-code`, which takes a `borrow<error>`
/// parameter and returns an `option<wasi:filesystem/types/error-code>`.
///
/// The set of functions which can "downcast" an `error` into a more
/// concrete type is open.
#[derive(Debug)]
#[repr(transparent)]
pub struct Error {
handle: _rt::Resource<Error>,
}
impl Error {
#[doc(hidden)]
pub unsafe fn from_handle(handle: u32) -> Self {
Self {
handle: unsafe { _rt::Resource::from_handle(handle) },
}
}
#[doc(hidden)]
pub fn take_handle(&self) -> u32 {
_rt::Resource::take_handle(&self.handle)
}
#[doc(hidden)]
pub fn handle(&self) -> u32 {
_rt::Resource::handle(&self.handle)
}
}
unsafe impl _rt::WasmResource for Error {
#[inline]
unsafe fn drop(_handle: u32) {
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:io/error@0.2.4")]
unsafe extern "C" {
#[link_name = "[resource-drop]error"]
fn drop(_: i32);
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn drop(_: i32) {
unreachable!()
}
unsafe {
drop(_handle as i32);
}
}
}
impl Error {
#[allow(unused_unsafe, clippy::all)]
/// Returns a string that is suitable to assist humans in debugging
/// this error.
///
/// WARNING: The returned string should not be consumed mechanically!
/// It may change across platforms, hosts, or other implementation
/// details. Parsing this string is a major platform-compatibility
/// hazard.
#[allow(async_fn_in_trait)]
pub fn to_debug_string(&self) -> _rt::String {
unsafe {
#[cfg_attr(target_pointer_width = "64", repr(align(8)))]
#[cfg_attr(target_pointer_width = "32", repr(align(4)))]
struct RetArea(
[::core::mem::MaybeUninit<
u8,
>; 2 * ::core::mem::size_of::<*const u8>()],
);
let mut ret_area = RetArea(
[::core::mem::MaybeUninit::uninit(); 2
* ::core::mem::size_of::<*const u8>()],
);
let ptr0 = ret_area.0.as_mut_ptr().cast::<u8>();
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:io/error@0.2.4")]
unsafe extern "C" {
#[link_name = "[method]error.to-debug-string"]
fn wit_import1(_: i32, _: *mut u8);
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import1(_: i32, _: *mut u8) {
unreachable!()
}
wit_import1((self).handle() as i32, ptr0);
let l2 = *ptr0.add(0).cast::<*mut u8>();
let l3 = *ptr0
.add(::core::mem::size_of::<*const u8>())
.cast::<usize>();
let len4 = l3;
let bytes4 = _rt::Vec::from_raw_parts(l2.cast(), len4, len4);
let result5 = _rt::string_lift(bytes4);
result5
}
}
}
}
/// A poll API intended to let users wait for I/O events on multiple handles
/// at once.
#[allow(dead_code, async_fn_in_trait, unused_imports, clippy::all)]
pub mod poll {
#[used]
#[doc(hidden)]
static __FORCE_SECTION_REF: fn() = super::super::super::__link_custom_section_describing_imports;
use super::super::super::_rt;
/// `pollable` represents a single I/O event which may be ready, or not.
#[derive(Debug)]
#[repr(transparent)]
pub struct Pollable {
handle: _rt::Resource<Pollable>,
}
impl Pollable {
#[doc(hidden)]
pub unsafe fn from_handle(handle: u32) -> Self {
Self {
handle: unsafe { _rt::Resource::from_handle(handle) },
}
}
#[doc(hidden)]
pub fn take_handle(&self) -> u32 {
_rt::Resource::take_handle(&self.handle)
}
#[doc(hidden)]
pub fn handle(&self) -> u32 {
_rt::Resource::handle(&self.handle)
}
}
unsafe impl _rt::WasmResource for Pollable {
#[inline]
unsafe fn drop(_handle: u32) {
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:io/poll@0.2.4")]
unsafe extern "C" {
#[link_name = "[resource-drop]pollable"]
fn drop(_: i32);
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn drop(_: i32) {
unreachable!()
}
unsafe {
drop(_handle as i32);
}
}
}
impl Pollable {
#[allow(unused_unsafe, clippy::all)]
/// Return the readiness of a pollable. This function never blocks.
///
/// Returns `true` when the pollable is ready, and `false` otherwise.
#[allow(async_fn_in_trait)]
pub fn ready(&self) -> bool {
unsafe {
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:io/poll@0.2.4")]
unsafe extern "C" {
#[link_name = "[method]pollable.ready"]
fn wit_import0(_: i32) -> i32;
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import0(_: i32) -> i32 {
unreachable!()
}
let ret = wit_import0((self).handle() as i32);
_rt::bool_lift(ret as u8)
}
}
}
impl Pollable {
#[allow(unused_unsafe, clippy::all)]
/// `block` returns immediately if the pollable is ready, and otherwise
/// blocks until ready.
///
/// This function is equivalent to calling `poll.poll` on a list
/// containing only this pollable.
#[allow(async_fn_in_trait)]
pub fn block(&self) -> () {
unsafe {
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:io/poll@0.2.4")]
unsafe extern "C" {
#[link_name = "[method]pollable.block"]
fn wit_import0(_: i32);
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import0(_: i32) {
unreachable!()
}
wit_import0((self).handle() as i32);
}
}
}
#[allow(unused_unsafe, clippy::all)]
/// Poll for completion on a set of pollables.
///
/// This function takes a list of pollables, which identify I/O sources of
/// interest, and waits until one or more of the events is ready for I/O.
///
/// The result `list<u32>` contains one or more indices of handles in the
/// argument list that is ready for I/O.
///
/// This function traps if either:
/// - the list is empty, or:
/// - the list contains more elements than can be indexed with a `u32` value.
///
/// A timeout can be implemented by adding a pollable from the
/// wasi-clocks API to the list.
///
/// This function does not return a `result`; polling in itself does not
/// do any I/O so it doesn't fail. If any of the I/O sources identified by
/// the pollables has an error, it is indicated by marking the source as
/// being ready for I/O.
#[allow(async_fn_in_trait)]
pub fn poll(in_: &[&Pollable]) -> _rt::Vec<u32> {
unsafe {
#[cfg_attr(target_pointer_width = "64", repr(align(8)))]
#[cfg_attr(target_pointer_width = "32", repr(align(4)))]
struct RetArea(
[::core::mem::MaybeUninit<
u8,
>; 2 * ::core::mem::size_of::<*const u8>()],
);
let mut ret_area = RetArea(
[::core::mem::MaybeUninit::uninit(); 2
* ::core::mem::size_of::<*const u8>()],
);
let vec0 = in_;
let len0 = vec0.len();
let layout0 = _rt::alloc::Layout::from_size_align(vec0.len() * 4, 4)
.unwrap();
let (result0, _cleanup0) = wit_bindgen::rt::Cleanup::new(layout0);
for (i, e) in vec0.into_iter().enumerate() {
let base = result0.add(i * 4);
{
*base.add(0).cast::<i32>() = (e).handle() as i32;
}
}
let ptr1 = ret_area.0.as_mut_ptr().cast::<u8>();
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:io/poll@0.2.4")]
unsafe extern "C" {
#[link_name = "poll"]
fn wit_import2(_: *mut u8, _: usize, _: *mut u8);
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import2(_: *mut u8, _: usize, _: *mut u8) {
unreachable!()
}
wit_import2(result0, len0, ptr1);
let l3 = *ptr1.add(0).cast::<*mut u8>();
let l4 = *ptr1
.add(::core::mem::size_of::<*const u8>())
.cast::<usize>();
let len5 = l4;
let result6 = _rt::Vec::from_raw_parts(l3.cast(), len5, len5);
result6
}
}
}
/// WASI I/O is an I/O abstraction API which is currently focused on providing
/// stream types.
///
/// In the future, the component model is expected to add built-in stream types;
/// when it does, they are expected to subsume this API.
#[allow(dead_code, async_fn_in_trait, unused_imports, clippy::all)]
pub mod streams {
#[used]
#[doc(hidden)]
static __FORCE_SECTION_REF: fn() = super::super::super::__link_custom_section_describing_imports;
use super::super::super::_rt;
pub type Error = super::super::super::wasi::io::error::Error;
pub type Pollable = super::super::super::wasi::io::poll::Pollable;
/// An error for input-stream and output-stream operations.
pub enum StreamError {
/// The last operation (a write or flush) failed before completion.
///
/// More information is available in the `error` payload.
///
/// After this, the stream will be closed. All future operations return
/// `stream-error::closed`.
LastOperationFailed(Error),
/// The stream is closed: no more input will be accepted by the
/// stream. A closed output-stream will return this error on all
/// future operations.
Closed,
}
impl ::core::fmt::Debug for StreamError {
fn fmt(
&self,
f: &mut ::core::fmt::Formatter<'_>,
) -> ::core::fmt::Result {
match self {
StreamError::LastOperationFailed(e) => {
f.debug_tuple("StreamError::LastOperationFailed")
.field(e)
.finish()
}
StreamError::Closed => {
f.debug_tuple("StreamError::Closed").finish()
}
}
}
}
impl ::core::fmt::Display for StreamError {
fn fmt(
&self,
f: &mut ::core::fmt::Formatter<'_>,
) -> ::core::fmt::Result {
write!(f, "{:?}", self)
}
}
#[cfg(feature = "std")]
impl std::error::Error for StreamError {}
/// An input bytestream.
///
/// `input-stream`s are *non-blocking* to the extent practical on underlying
/// platforms. I/O operations always return promptly; if fewer bytes are
/// promptly available than requested, they return the number of bytes promptly
/// available, which could even be zero. To wait for data to be available,
/// use the `subscribe` function to obtain a `pollable` which can be polled
/// for using `wasi:io/poll`.
#[derive(Debug)]
#[repr(transparent)]
pub struct InputStream {
handle: _rt::Resource<InputStream>,
}
impl InputStream {
#[doc(hidden)]
pub unsafe fn from_handle(handle: u32) -> Self {
Self {
handle: unsafe { _rt::Resource::from_handle(handle) },
}
}
#[doc(hidden)]
pub fn take_handle(&self) -> u32 {
_rt::Resource::take_handle(&self.handle)
}
#[doc(hidden)]
pub fn handle(&self) -> u32 {
_rt::Resource::handle(&self.handle)
}
}
unsafe impl _rt::WasmResource for InputStream {
#[inline]
unsafe fn drop(_handle: u32) {
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:io/streams@0.2.4")]
unsafe extern "C" {
#[link_name = "[resource-drop]input-stream"]
fn drop(_: i32);
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn drop(_: i32) {
unreachable!()
}
unsafe {
drop(_handle as i32);
}
}
}
/// An output bytestream.
///
/// `output-stream`s are *non-blocking* to the extent practical on
/// underlying platforms. Except where specified otherwise, I/O operations also
/// always return promptly, after the number of bytes that can be written
/// promptly, which could even be zero. To wait for the stream to be ready to
/// accept data, the `subscribe` function to obtain a `pollable` which can be
/// polled for using `wasi:io/poll`.
///
/// Dropping an `output-stream` while there's still an active write in
/// progress may result in the data being lost. Before dropping the stream,
/// be sure to fully flush your writes.
#[derive(Debug)]
#[repr(transparent)]
pub struct OutputStream {
handle: _rt::Resource<OutputStream>,
}
impl OutputStream {
#[doc(hidden)]
pub unsafe fn from_handle(handle: u32) -> Self {
Self {
handle: unsafe { _rt::Resource::from_handle(handle) },
}
}
#[doc(hidden)]
pub fn take_handle(&self) -> u32 {
_rt::Resource::take_handle(&self.handle)
}
#[doc(hidden)]
pub fn handle(&self) -> u32 {
_rt::Resource::handle(&self.handle)
}
}
unsafe impl _rt::WasmResource for OutputStream {
#[inline]
unsafe fn drop(_handle: u32) {
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:io/streams@0.2.4")]
unsafe extern "C" {
#[link_name = "[resource-drop]output-stream"]
fn drop(_: i32);
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn drop(_: i32) {
unreachable!()
}
unsafe {
drop(_handle as i32);
}
}
}
impl InputStream {
#[allow(unused_unsafe, clippy::all)]
/// Perform a non-blocking read from the stream.
///
/// When the source of a `read` is binary data, the bytes from the source
/// are returned verbatim. When the source of a `read` is known to the
/// implementation to be text, bytes containing the UTF-8 encoding of the
/// text are returned.
///
/// This function returns a list of bytes containing the read data,
/// when successful. The returned list will contain up to `len` bytes;
/// it may return fewer than requested, but not more. The list is
/// empty when no bytes are available for reading at this time. The
/// pollable given by `subscribe` will be ready when more bytes are
/// available.
///
/// This function fails with a `stream-error` when the operation
/// encounters an error, giving `last-operation-failed`, or when the
/// stream is closed, giving `closed`.
///
/// When the caller gives a `len` of 0, it represents a request to
/// read 0 bytes. If the stream is still open, this call should
/// succeed and return an empty list, or otherwise fail with `closed`.
///
/// The `len` parameter is a `u64`, which could represent a list of u8 which
/// is not possible to allocate in wasm32, or not desirable to allocate as
/// as a return value by the callee. The callee may return a list of bytes
/// less than `len` in size while more bytes are available for reading.
#[allow(async_fn_in_trait)]
pub fn read(&self, len: u64) -> Result<_rt::Vec<u8>, StreamError> {
unsafe {
#[cfg_attr(target_pointer_width = "64", repr(align(8)))]
#[cfg_attr(target_pointer_width = "32", repr(align(4)))]
struct RetArea(
[::core::mem::MaybeUninit<
u8,
>; 3 * ::core::mem::size_of::<*const u8>()],
);
let mut ret_area = RetArea(
[::core::mem::MaybeUninit::uninit(); 3
* ::core::mem::size_of::<*const u8>()],
);
let ptr0 = ret_area.0.as_mut_ptr().cast::<u8>();
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:io/streams@0.2.4")]
unsafe extern "C" {
#[link_name = "[method]input-stream.read"]
fn wit_import1(_: i32, _: i64, _: *mut u8);
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import1(_: i32, _: i64, _: *mut u8) {
unreachable!()
}
wit_import1((self).handle() as i32, _rt::as_i64(&len), ptr0);
let l2 = i32::from(*ptr0.add(0).cast::<u8>());
let result9 = match l2 {
0 => {
let e = {
let l3 = *ptr0
.add(::core::mem::size_of::<*const u8>())
.cast::<*mut u8>();
let l4 = *ptr0
.add(2 * ::core::mem::size_of::<*const u8>())
.cast::<usize>();
let len5 = l4;
_rt::Vec::from_raw_parts(l3.cast(), len5, len5)
};
Ok(e)
}
1 => {
let e = {
let l6 = i32::from(
*ptr0.add(::core::mem::size_of::<*const u8>()).cast::<u8>(),
);
let v8 = match l6 {
0 => {
let e8 = {
let l7 = *ptr0
.add(4 + 1 * ::core::mem::size_of::<*const u8>())
.cast::<i32>();
super::super::super::wasi::io::error::Error::from_handle(
l7 as u32,
)
};
StreamError::LastOperationFailed(e8)
}
n => {
debug_assert_eq!(n, 1, "invalid enum discriminant");
StreamError::Closed
}
};
v8
};
Err(e)
}
_ => _rt::invalid_enum_discriminant(),
};
result9
}
}
}
impl InputStream {
#[allow(unused_unsafe, clippy::all)]
/// Read bytes from a stream, after blocking until at least one byte can
/// be read. Except for blocking, behavior is identical to `read`.
#[allow(async_fn_in_trait)]
pub fn blocking_read(
&self,
len: u64,
) -> Result<_rt::Vec<u8>, StreamError> {
unsafe {
#[cfg_attr(target_pointer_width = "64", repr(align(8)))]
#[cfg_attr(target_pointer_width = "32", repr(align(4)))]
struct RetArea(
[::core::mem::MaybeUninit<
u8,
>; 3 * ::core::mem::size_of::<*const u8>()],
);
let mut ret_area = RetArea(
[::core::mem::MaybeUninit::uninit(); 3
* ::core::mem::size_of::<*const u8>()],
);
let ptr0 = ret_area.0.as_mut_ptr().cast::<u8>();
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:io/streams@0.2.4")]
unsafe extern "C" {
#[link_name = "[method]input-stream.blocking-read"]
fn wit_import1(_: i32, _: i64, _: *mut u8);
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import1(_: i32, _: i64, _: *mut u8) {
unreachable!()
}
wit_import1((self).handle() as i32, _rt::as_i64(&len), ptr0);
let l2 = i32::from(*ptr0.add(0).cast::<u8>());
let result9 = match l2 {
0 => {
let e = {
let l3 = *ptr0
.add(::core::mem::size_of::<*const u8>())
.cast::<*mut u8>();
let l4 = *ptr0
.add(2 * ::core::mem::size_of::<*const u8>())
.cast::<usize>();
let len5 = l4;
_rt::Vec::from_raw_parts(l3.cast(), len5, len5)
};
Ok(e)
}
1 => {
let e = {
let l6 = i32::from(
*ptr0.add(::core::mem::size_of::<*const u8>()).cast::<u8>(),
);
let v8 = match l6 {
0 => {
let e8 = {
let l7 = *ptr0
.add(4 + 1 * ::core::mem::size_of::<*const u8>())
.cast::<i32>();
super::super::super::wasi::io::error::Error::from_handle(
l7 as u32,
)
};
StreamError::LastOperationFailed(e8)
}
n => {
debug_assert_eq!(n, 1, "invalid enum discriminant");
StreamError::Closed
}
};
v8
};
Err(e)
}
_ => _rt::invalid_enum_discriminant(),
};
result9
}
}
}
impl InputStream {
#[allow(unused_unsafe, clippy::all)]
/// Skip bytes from a stream. Returns number of bytes skipped.
///
/// Behaves identical to `read`, except instead of returning a list
/// of bytes, returns the number of bytes consumed from the stream.
#[allow(async_fn_in_trait)]
pub fn skip(&self, len: u64) -> Result<u64, StreamError> {
unsafe {
#[repr(align(8))]
struct RetArea([::core::mem::MaybeUninit<u8>; 16]);
let mut ret_area = RetArea(
[::core::mem::MaybeUninit::uninit(); 16],
);
let ptr0 = ret_area.0.as_mut_ptr().cast::<u8>();
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:io/streams@0.2.4")]
unsafe extern "C" {
#[link_name = "[method]input-stream.skip"]
fn wit_import1(_: i32, _: i64, _: *mut u8);
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import1(_: i32, _: i64, _: *mut u8) {
unreachable!()
}
wit_import1((self).handle() as i32, _rt::as_i64(&len), ptr0);
let l2 = i32::from(*ptr0.add(0).cast::<u8>());
let result7 = match l2 {
0 => {
let e = {
let l3 = *ptr0.add(8).cast::<i64>();
l3 as u64
};
Ok(e)
}
1 => {
let e = {
let l4 = i32::from(*ptr0.add(8).cast::<u8>());
let v6 = match l4 {
0 => {
let e6 = {
let l5 = *ptr0.add(12).cast::<i32>();
super::super::super::wasi::io::error::Error::from_handle(
l5 as u32,
)
};
StreamError::LastOperationFailed(e6)
}
n => {
debug_assert_eq!(n, 1, "invalid enum discriminant");
StreamError::Closed
}
};
v6
};
Err(e)
}
_ => _rt::invalid_enum_discriminant(),
};
result7
}
}
}
impl InputStream {
#[allow(unused_unsafe, clippy::all)]
/// Skip bytes from a stream, after blocking until at least one byte
/// can be skipped. Except for blocking behavior, identical to `skip`.
#[allow(async_fn_in_trait)]
pub fn blocking_skip(&self, len: u64) -> Result<u64, StreamError> {
unsafe {
#[repr(align(8))]
struct RetArea([::core::mem::MaybeUninit<u8>; 16]);
let mut ret_area = RetArea(
[::core::mem::MaybeUninit::uninit(); 16],
);
let ptr0 = ret_area.0.as_mut_ptr().cast::<u8>();
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:io/streams@0.2.4")]
unsafe extern "C" {
#[link_name = "[method]input-stream.blocking-skip"]
fn wit_import1(_: i32, _: i64, _: *mut u8);
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import1(_: i32, _: i64, _: *mut u8) {
unreachable!()
}
wit_import1((self).handle() as i32, _rt::as_i64(&len), ptr0);
let l2 = i32::from(*ptr0.add(0).cast::<u8>());
let result7 = match l2 {
0 => {
let e = {
let l3 = *ptr0.add(8).cast::<i64>();
l3 as u64
};
Ok(e)
}
1 => {
let e = {
let l4 = i32::from(*ptr0.add(8).cast::<u8>());
let v6 = match l4 {
0 => {
let e6 = {
let l5 = *ptr0.add(12).cast::<i32>();
super::super::super::wasi::io::error::Error::from_handle(
l5 as u32,
)
};
StreamError::LastOperationFailed(e6)
}
n => {
debug_assert_eq!(n, 1, "invalid enum discriminant");
StreamError::Closed
}
};
v6
};
Err(e)
}
_ => _rt::invalid_enum_discriminant(),
};
result7
}
}
}
impl InputStream {
#[allow(unused_unsafe, clippy::all)]
/// Create a `pollable` which will resolve once either the specified stream
/// has bytes available to read or the other end of the stream has been
/// closed.
/// The created `pollable` is a child resource of the `input-stream`.
/// Implementations may trap if the `input-stream` is dropped before
/// all derived `pollable`s created with this function are dropped.
#[allow(async_fn_in_trait)]
pub fn subscribe(&self) -> Pollable {
unsafe {
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:io/streams@0.2.4")]
unsafe extern "C" {
#[link_name = "[method]input-stream.subscribe"]
fn wit_import0(_: i32) -> i32;
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import0(_: i32) -> i32 {
unreachable!()
}
let ret = wit_import0((self).handle() as i32);
super::super::super::wasi::io::poll::Pollable::from_handle(
ret as u32,
)
}
}
}
impl OutputStream {
#[allow(unused_unsafe, clippy::all)]
/// Check readiness for writing. This function never blocks.
///
/// Returns the number of bytes permitted for the next call to `write`,
/// or an error. Calling `write` with more bytes than this function has
/// permitted will trap.
///
/// When this function returns 0 bytes, the `subscribe` pollable will
/// become ready when this function will report at least 1 byte, or an
/// error.
#[allow(async_fn_in_trait)]
pub fn check_write(&self) -> Result<u64, StreamError> {
unsafe {
#[repr(align(8))]
struct RetArea([::core::mem::MaybeUninit<u8>; 16]);
let mut ret_area = RetArea(
[::core::mem::MaybeUninit::uninit(); 16],
);
let ptr0 = ret_area.0.as_mut_ptr().cast::<u8>();
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:io/streams@0.2.4")]
unsafe extern "C" {
#[link_name = "[method]output-stream.check-write"]
fn wit_import1(_: i32, _: *mut u8);
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import1(_: i32, _: *mut u8) {
unreachable!()
}
wit_import1((self).handle() as i32, ptr0);
let l2 = i32::from(*ptr0.add(0).cast::<u8>());
let result7 = match l2 {
0 => {
let e = {
let l3 = *ptr0.add(8).cast::<i64>();
l3 as u64
};
Ok(e)
}
1 => {
let e = {
let l4 = i32::from(*ptr0.add(8).cast::<u8>());
let v6 = match l4 {
0 => {
let e6 = {
let l5 = *ptr0.add(12).cast::<i32>();
super::super::super::wasi::io::error::Error::from_handle(
l5 as u32,
)
};
StreamError::LastOperationFailed(e6)
}
n => {
debug_assert_eq!(n, 1, "invalid enum discriminant");
StreamError::Closed
}
};
v6
};
Err(e)
}
_ => _rt::invalid_enum_discriminant(),
};
result7
}
}
}
impl OutputStream {
#[allow(unused_unsafe, clippy::all)]
/// Perform a write. This function never blocks.
///
/// When the destination of a `write` is binary data, the bytes from
/// `contents` are written verbatim. When the destination of a `write` is
/// known to the implementation to be text, the bytes of `contents` are
/// transcoded from UTF-8 into the encoding of the destination and then
/// written.
///
/// Precondition: check-write gave permit of Ok(n) and contents has a
/// length of less than or equal to n. Otherwise, this function will trap.
///
/// returns Err(closed) without writing if the stream has closed since
/// the last call to check-write provided a permit.
#[allow(async_fn_in_trait)]
pub fn write(&self, contents: &[u8]) -> Result<(), StreamError> {
unsafe {
#[repr(align(4))]
struct RetArea([::core::mem::MaybeUninit<u8>; 12]);
let mut ret_area = RetArea(
[::core::mem::MaybeUninit::uninit(); 12],
);
let vec0 = contents;
let ptr0 = vec0.as_ptr().cast::<u8>();
let len0 = vec0.len();
let ptr1 = ret_area.0.as_mut_ptr().cast::<u8>();
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:io/streams@0.2.4")]
unsafe extern "C" {
#[link_name = "[method]output-stream.write"]
fn wit_import2(_: i32, _: *mut u8, _: usize, _: *mut u8);
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import2(
_: i32,
_: *mut u8,
_: usize,
_: *mut u8,
) {
unreachable!()
}
wit_import2((self).handle() as i32, ptr0.cast_mut(), len0, ptr1);
let l3 = i32::from(*ptr1.add(0).cast::<u8>());
let result7 = match l3 {
0 => {
let e = ();
Ok(e)
}
1 => {
let e = {
let l4 = i32::from(*ptr1.add(4).cast::<u8>());
let v6 = match l4 {
0 => {
let e6 = {
let l5 = *ptr1.add(8).cast::<i32>();
super::super::super::wasi::io::error::Error::from_handle(
l5 as u32,
)
};
StreamError::LastOperationFailed(e6)
}
n => {
debug_assert_eq!(n, 1, "invalid enum discriminant");
StreamError::Closed
}
};
v6
};
Err(e)
}
_ => _rt::invalid_enum_discriminant(),
};
result7
}
}
}
impl OutputStream {
#[allow(unused_unsafe, clippy::all)]
/// Perform a write of up to 4096 bytes, and then flush the stream. Block
/// until all of these operations are complete, or an error occurs.
///
/// This is a convenience wrapper around the use of `check-write`,
/// `subscribe`, `write`, and `flush`, and is implemented with the
/// following pseudo-code:
///
/// ```text
/// let pollable = this.subscribe();
/// while !contents.is_empty() {
/// // Wait for the stream to become writable
/// pollable.block();
/// let Ok(n) = this.check-write(); // eliding error handling
/// let len = min(n, contents.len());
/// let (chunk, rest) = contents.split_at(len);
/// this.write(chunk ); // eliding error handling
/// contents = rest;
/// }
/// this.flush();
/// // Wait for completion of `flush`
/// pollable.block();
/// // Check for any errors that arose during `flush`
/// let _ = this.check-write(); // eliding error handling
/// ```
#[allow(async_fn_in_trait)]
pub fn blocking_write_and_flush(
&self,
contents: &[u8],
) -> Result<(), StreamError> {
unsafe {
#[repr(align(4))]
struct RetArea([::core::mem::MaybeUninit<u8>; 12]);
let mut ret_area = RetArea(
[::core::mem::MaybeUninit::uninit(); 12],
);
let vec0 = contents;
let ptr0 = vec0.as_ptr().cast::<u8>();
let len0 = vec0.len();
let ptr1 = ret_area.0.as_mut_ptr().cast::<u8>();
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:io/streams@0.2.4")]
unsafe extern "C" {
#[link_name = "[method]output-stream.blocking-write-and-flush"]
fn wit_import2(_: i32, _: *mut u8, _: usize, _: *mut u8);
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import2(
_: i32,
_: *mut u8,
_: usize,
_: *mut u8,
) {
unreachable!()
}
wit_import2((self).handle() as i32, ptr0.cast_mut(), len0, ptr1);
let l3 = i32::from(*ptr1.add(0).cast::<u8>());
let result7 = match l3 {
0 => {
let e = ();
Ok(e)
}
1 => {
let e = {
let l4 = i32::from(*ptr1.add(4).cast::<u8>());
let v6 = match l4 {
0 => {
let e6 = {
let l5 = *ptr1.add(8).cast::<i32>();
super::super::super::wasi::io::error::Error::from_handle(
l5 as u32,
)
};
StreamError::LastOperationFailed(e6)
}
n => {
debug_assert_eq!(n, 1, "invalid enum discriminant");
StreamError::Closed
}
};
v6
};
Err(e)
}
_ => _rt::invalid_enum_discriminant(),
};
result7
}
}
}
impl OutputStream {
#[allow(unused_unsafe, clippy::all)]
/// Request to flush buffered output. This function never blocks.
///
/// This tells the output-stream that the caller intends any buffered
/// output to be flushed. the output which is expected to be flushed
/// is all that has been passed to `write` prior to this call.
///
/// Upon calling this function, the `output-stream` will not accept any
/// writes (`check-write` will return `ok(0)`) until the flush has
/// completed. The `subscribe` pollable will become ready when the
/// flush has completed and the stream can accept more writes.
#[allow(async_fn_in_trait)]
pub fn flush(&self) -> Result<(), StreamError> {
unsafe {
#[repr(align(4))]
struct RetArea([::core::mem::MaybeUninit<u8>; 12]);
let mut ret_area = RetArea(
[::core::mem::MaybeUninit::uninit(); 12],
);
let ptr0 = ret_area.0.as_mut_ptr().cast::<u8>();
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:io/streams@0.2.4")]
unsafe extern "C" {
#[link_name = "[method]output-stream.flush"]
fn wit_import1(_: i32, _: *mut u8);
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import1(_: i32, _: *mut u8) {
unreachable!()
}
wit_import1((self).handle() as i32, ptr0);
let l2 = i32::from(*ptr0.add(0).cast::<u8>());
let result6 = match l2 {
0 => {
let e = ();
Ok(e)
}
1 => {
let e = {
let l3 = i32::from(*ptr0.add(4).cast::<u8>());
let v5 = match l3 {
0 => {
let e5 = {
let l4 = *ptr0.add(8).cast::<i32>();
super::super::super::wasi::io::error::Error::from_handle(
l4 as u32,
)
};
StreamError::LastOperationFailed(e5)
}
n => {
debug_assert_eq!(n, 1, "invalid enum discriminant");
StreamError::Closed
}
};
v5
};
Err(e)
}
_ => _rt::invalid_enum_discriminant(),
};
result6
}
}
}
impl OutputStream {
#[allow(unused_unsafe, clippy::all)]
/// Request to flush buffered output, and block until flush completes
/// and stream is ready for writing again.
#[allow(async_fn_in_trait)]
pub fn blocking_flush(&self) -> Result<(), StreamError> {
unsafe {
#[repr(align(4))]
struct RetArea([::core::mem::MaybeUninit<u8>; 12]);
let mut ret_area = RetArea(
[::core::mem::MaybeUninit::uninit(); 12],
);
let ptr0 = ret_area.0.as_mut_ptr().cast::<u8>();
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:io/streams@0.2.4")]
unsafe extern "C" {
#[link_name = "[method]output-stream.blocking-flush"]
fn wit_import1(_: i32, _: *mut u8);
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import1(_: i32, _: *mut u8) {
unreachable!()
}
wit_import1((self).handle() as i32, ptr0);
let l2 = i32::from(*ptr0.add(0).cast::<u8>());
let result6 = match l2 {
0 => {
let e = ();
Ok(e)
}
1 => {
let e = {
let l3 = i32::from(*ptr0.add(4).cast::<u8>());
let v5 = match l3 {
0 => {
let e5 = {
let l4 = *ptr0.add(8).cast::<i32>();
super::super::super::wasi::io::error::Error::from_handle(
l4 as u32,
)
};
StreamError::LastOperationFailed(e5)
}
n => {
debug_assert_eq!(n, 1, "invalid enum discriminant");
StreamError::Closed
}
};
v5
};
Err(e)
}
_ => _rt::invalid_enum_discriminant(),
};
result6
}
}
}
impl OutputStream {
#[allow(unused_unsafe, clippy::all)]
/// Create a `pollable` which will resolve once the output-stream
/// is ready for more writing, or an error has occurred. When this
/// pollable is ready, `check-write` will return `ok(n)` with n>0, or an
/// error.
///
/// If the stream is closed, this pollable is always ready immediately.
///
/// The created `pollable` is a child resource of the `output-stream`.
/// Implementations may trap if the `output-stream` is dropped before
/// all derived `pollable`s created with this function are dropped.
#[allow(async_fn_in_trait)]
pub fn subscribe(&self) -> Pollable {
unsafe {
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:io/streams@0.2.4")]
unsafe extern "C" {
#[link_name = "[method]output-stream.subscribe"]
fn wit_import0(_: i32) -> i32;
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import0(_: i32) -> i32 {
unreachable!()
}
let ret = wit_import0((self).handle() as i32);
super::super::super::wasi::io::poll::Pollable::from_handle(
ret as u32,
)
}
}
}
impl OutputStream {
#[allow(unused_unsafe, clippy::all)]
/// Write zeroes to a stream.
///
/// This should be used precisely like `write` with the exact same
/// preconditions (must use check-write first), but instead of
/// passing a list of bytes, you simply pass the number of zero-bytes
/// that should be written.
#[allow(async_fn_in_trait)]
pub fn write_zeroes(&self, len: u64) -> Result<(), StreamError> {
unsafe {
#[repr(align(4))]
struct RetArea([::core::mem::MaybeUninit<u8>; 12]);
let mut ret_area = RetArea(
[::core::mem::MaybeUninit::uninit(); 12],
);
let ptr0 = ret_area.0.as_mut_ptr().cast::<u8>();
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:io/streams@0.2.4")]
unsafe extern "C" {
#[link_name = "[method]output-stream.write-zeroes"]
fn wit_import1(_: i32, _: i64, _: *mut u8);
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import1(_: i32, _: i64, _: *mut u8) {
unreachable!()
}
wit_import1((self).handle() as i32, _rt::as_i64(&len), ptr0);
let l2 = i32::from(*ptr0.add(0).cast::<u8>());
let result6 = match l2 {
0 => {
let e = ();
Ok(e)
}
1 => {
let e = {
let l3 = i32::from(*ptr0.add(4).cast::<u8>());
let v5 = match l3 {
0 => {
let e5 = {
let l4 = *ptr0.add(8).cast::<i32>();
super::super::super::wasi::io::error::Error::from_handle(
l4 as u32,
)
};
StreamError::LastOperationFailed(e5)
}
n => {
debug_assert_eq!(n, 1, "invalid enum discriminant");
StreamError::Closed
}
};
v5
};
Err(e)
}
_ => _rt::invalid_enum_discriminant(),
};
result6
}
}
}
impl OutputStream {
#[allow(unused_unsafe, clippy::all)]
/// Perform a write of up to 4096 zeroes, and then flush the stream.
/// Block until all of these operations are complete, or an error
/// occurs.
///
/// This is a convenience wrapper around the use of `check-write`,
/// `subscribe`, `write-zeroes`, and `flush`, and is implemented with
/// the following pseudo-code:
///
/// ```text
/// let pollable = this.subscribe();
/// while num_zeroes != 0 {
/// // Wait for the stream to become writable
/// pollable.block();
/// let Ok(n) = this.check-write(); // eliding error handling
/// let len = min(n, num_zeroes);
/// this.write-zeroes(len); // eliding error handling
/// num_zeroes -= len;
/// }
/// this.flush();
/// // Wait for completion of `flush`
/// pollable.block();
/// // Check for any errors that arose during `flush`
/// let _ = this.check-write(); // eliding error handling
/// ```
#[allow(async_fn_in_trait)]
pub fn blocking_write_zeroes_and_flush(
&self,
len: u64,
) -> Result<(), StreamError> {
unsafe {
#[repr(align(4))]
struct RetArea([::core::mem::MaybeUninit<u8>; 12]);
let mut ret_area = RetArea(
[::core::mem::MaybeUninit::uninit(); 12],
);
let ptr0 = ret_area.0.as_mut_ptr().cast::<u8>();
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:io/streams@0.2.4")]
unsafe extern "C" {
#[link_name = "[method]output-stream.blocking-write-zeroes-and-flush"]
fn wit_import1(_: i32, _: i64, _: *mut u8);
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import1(_: i32, _: i64, _: *mut u8) {
unreachable!()
}
wit_import1((self).handle() as i32, _rt::as_i64(&len), ptr0);
let l2 = i32::from(*ptr0.add(0).cast::<u8>());
let result6 = match l2 {
0 => {
let e = ();
Ok(e)
}
1 => {
let e = {
let l3 = i32::from(*ptr0.add(4).cast::<u8>());
let v5 = match l3 {
0 => {
let e5 = {
let l4 = *ptr0.add(8).cast::<i32>();
super::super::super::wasi::io::error::Error::from_handle(
l4 as u32,
)
};
StreamError::LastOperationFailed(e5)
}
n => {
debug_assert_eq!(n, 1, "invalid enum discriminant");
StreamError::Closed
}
};
v5
};
Err(e)
}
_ => _rt::invalid_enum_discriminant(),
};
result6
}
}
}
impl OutputStream {
#[allow(unused_unsafe, clippy::all)]
/// Read from one stream and write to another.
///
/// The behavior of splice is equivalent to:
/// 1. calling `check-write` on the `output-stream`
/// 2. calling `read` on the `input-stream` with the smaller of the
/// `check-write` permitted length and the `len` provided to `splice`
/// 3. calling `write` on the `output-stream` with that read data.
///
/// Any error reported by the call to `check-write`, `read`, or
/// `write` ends the splice and reports that error.
///
/// This function returns the number of bytes transferred; it may be less
/// than `len`.
#[allow(async_fn_in_trait)]
pub fn splice(
&self,
src: &InputStream,
len: u64,
) -> Result<u64, StreamError> {
unsafe {
#[repr(align(8))]
struct RetArea([::core::mem::MaybeUninit<u8>; 16]);
let mut ret_area = RetArea(
[::core::mem::MaybeUninit::uninit(); 16],
);
let ptr0 = ret_area.0.as_mut_ptr().cast::<u8>();
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:io/streams@0.2.4")]
unsafe extern "C" {
#[link_name = "[method]output-stream.splice"]
fn wit_import1(_: i32, _: i32, _: i64, _: *mut u8);
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import1(
_: i32,
_: i32,
_: i64,
_: *mut u8,
) {
unreachable!()
}
wit_import1(
(self).handle() as i32,
(src).handle() as i32,
_rt::as_i64(&len),
ptr0,
);
let l2 = i32::from(*ptr0.add(0).cast::<u8>());
let result7 = match l2 {
0 => {
let e = {
let l3 = *ptr0.add(8).cast::<i64>();
l3 as u64
};
Ok(e)
}
1 => {
let e = {
let l4 = i32::from(*ptr0.add(8).cast::<u8>());
let v6 = match l4 {
0 => {
let e6 = {
let l5 = *ptr0.add(12).cast::<i32>();
super::super::super::wasi::io::error::Error::from_handle(
l5 as u32,
)
};
StreamError::LastOperationFailed(e6)
}
n => {
debug_assert_eq!(n, 1, "invalid enum discriminant");
StreamError::Closed
}
};
v6
};
Err(e)
}
_ => _rt::invalid_enum_discriminant(),
};
result7
}
}
}
impl OutputStream {
#[allow(unused_unsafe, clippy::all)]
/// Read from one stream and write to another, with blocking.
///
/// This is similar to `splice`, except that it blocks until the
/// `output-stream` is ready for writing, and the `input-stream`
/// is ready for reading, before performing the `splice`.
#[allow(async_fn_in_trait)]
pub fn blocking_splice(
&self,
src: &InputStream,
len: u64,
) -> Result<u64, StreamError> {
unsafe {
#[repr(align(8))]
struct RetArea([::core::mem::MaybeUninit<u8>; 16]);
let mut ret_area = RetArea(
[::core::mem::MaybeUninit::uninit(); 16],
);
let ptr0 = ret_area.0.as_mut_ptr().cast::<u8>();
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:io/streams@0.2.4")]
unsafe extern "C" {
#[link_name = "[method]output-stream.blocking-splice"]
fn wit_import1(_: i32, _: i32, _: i64, _: *mut u8);
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import1(
_: i32,
_: i32,
_: i64,
_: *mut u8,
) {
unreachable!()
}
wit_import1(
(self).handle() as i32,
(src).handle() as i32,
_rt::as_i64(&len),
ptr0,
);
let l2 = i32::from(*ptr0.add(0).cast::<u8>());
let result7 = match l2 {
0 => {
let e = {
let l3 = *ptr0.add(8).cast::<i64>();
l3 as u64
};
Ok(e)
}
1 => {
let e = {
let l4 = i32::from(*ptr0.add(8).cast::<u8>());
let v6 = match l4 {
0 => {
let e6 = {
let l5 = *ptr0.add(12).cast::<i32>();
super::super::super::wasi::io::error::Error::from_handle(
l5 as u32,
)
};
StreamError::LastOperationFailed(e6)
}
n => {
debug_assert_eq!(n, 1, "invalid enum discriminant");
StreamError::Closed
}
};
v6
};
Err(e)
}
_ => _rt::invalid_enum_discriminant(),
};
result7
}
}
}
}
}
pub mod random {
/// WASI Random is a random data API.
///
/// It is intended to be portable at least between Unix-family platforms and
/// Windows.
#[allow(dead_code, async_fn_in_trait, unused_imports, clippy::all)]
pub mod random {
#[used]
#[doc(hidden)]
static __FORCE_SECTION_REF: fn() = super::super::super::__link_custom_section_describing_imports;
use super::super::super::_rt;
#[allow(unused_unsafe, clippy::all)]
/// Return `len` cryptographically-secure random or pseudo-random bytes.
///
/// This function must produce data at least as cryptographically secure and
/// fast as an adequately seeded cryptographically-secure pseudo-random
/// number generator (CSPRNG). It must not block, from the perspective of
/// the calling program, under any circumstances, including on the first
/// request and on requests for numbers of bytes. The returned data must
/// always be unpredictable.
///
/// This function must always return fresh data. Deterministic environments
/// must omit this function, rather than implementing it with deterministic
/// data.
#[allow(async_fn_in_trait)]
pub fn get_random_bytes(len: u64) -> _rt::Vec<u8> {
unsafe {
#[cfg_attr(target_pointer_width = "64", repr(align(8)))]
#[cfg_attr(target_pointer_width = "32", repr(align(4)))]
struct RetArea(
[::core::mem::MaybeUninit<
u8,
>; 2 * ::core::mem::size_of::<*const u8>()],
);
let mut ret_area = RetArea(
[::core::mem::MaybeUninit::uninit(); 2
* ::core::mem::size_of::<*const u8>()],
);
let ptr0 = ret_area.0.as_mut_ptr().cast::<u8>();
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:random/random@0.2.4")]
unsafe extern "C" {
#[link_name = "get-random-bytes"]
fn wit_import1(_: i64, _: *mut u8);
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import1(_: i64, _: *mut u8) {
unreachable!()
}
wit_import1(_rt::as_i64(&len), ptr0);
let l2 = *ptr0.add(0).cast::<*mut u8>();
let l3 = *ptr0
.add(::core::mem::size_of::<*const u8>())
.cast::<usize>();
let len4 = l3;
let result5 = _rt::Vec::from_raw_parts(l2.cast(), len4, len4);
result5
}
}
#[allow(unused_unsafe, clippy::all)]
/// Return a cryptographically-secure random or pseudo-random `u64` value.
///
/// This function returns the same type of data as `get-random-bytes`,
/// represented as a `u64`.
#[allow(async_fn_in_trait)]
pub fn get_random_u64() -> u64 {
unsafe {
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:random/random@0.2.4")]
unsafe extern "C" {
#[link_name = "get-random-u64"]
fn wit_import0() -> i64;
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import0() -> i64 {
unreachable!()
}
let ret = wit_import0();
ret as u64
}
}
}
/// The insecure interface for insecure pseudo-random numbers.
///
/// It is intended to be portable at least between Unix-family platforms and
/// Windows.
#[allow(dead_code, async_fn_in_trait, unused_imports, clippy::all)]
pub mod insecure {
#[used]
#[doc(hidden)]
static __FORCE_SECTION_REF: fn() = super::super::super::__link_custom_section_describing_imports;
use super::super::super::_rt;
#[allow(unused_unsafe, clippy::all)]
/// Return `len` insecure pseudo-random bytes.
///
/// This function is not cryptographically secure. Do not use it for
/// anything related to security.
///
/// There are no requirements on the values of the returned bytes, however
/// implementations are encouraged to return evenly distributed values with
/// a long period.
#[allow(async_fn_in_trait)]
pub fn get_insecure_random_bytes(len: u64) -> _rt::Vec<u8> {
unsafe {
#[cfg_attr(target_pointer_width = "64", repr(align(8)))]
#[cfg_attr(target_pointer_width = "32", repr(align(4)))]
struct RetArea(
[::core::mem::MaybeUninit<
u8,
>; 2 * ::core::mem::size_of::<*const u8>()],
);
let mut ret_area = RetArea(
[::core::mem::MaybeUninit::uninit(); 2
* ::core::mem::size_of::<*const u8>()],
);
let ptr0 = ret_area.0.as_mut_ptr().cast::<u8>();
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:random/insecure@0.2.4")]
unsafe extern "C" {
#[link_name = "get-insecure-random-bytes"]
fn wit_import1(_: i64, _: *mut u8);
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import1(_: i64, _: *mut u8) {
unreachable!()
}
wit_import1(_rt::as_i64(&len), ptr0);
let l2 = *ptr0.add(0).cast::<*mut u8>();
let l3 = *ptr0
.add(::core::mem::size_of::<*const u8>())
.cast::<usize>();
let len4 = l3;
let result5 = _rt::Vec::from_raw_parts(l2.cast(), len4, len4);
result5
}
}
#[allow(unused_unsafe, clippy::all)]
/// Return an insecure pseudo-random `u64` value.
///
/// This function returns the same type of pseudo-random data as
/// `get-insecure-random-bytes`, represented as a `u64`.
#[allow(async_fn_in_trait)]
pub fn get_insecure_random_u64() -> u64 {
unsafe {
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:random/insecure@0.2.4")]
unsafe extern "C" {
#[link_name = "get-insecure-random-u64"]
fn wit_import0() -> i64;
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import0() -> i64 {
unreachable!()
}
let ret = wit_import0();
ret as u64
}
}
}
/// The insecure-seed interface for seeding hash-map DoS resistance.
///
/// It is intended to be portable at least between Unix-family platforms and
/// Windows.
#[allow(dead_code, async_fn_in_trait, unused_imports, clippy::all)]
pub mod insecure_seed {
#[used]
#[doc(hidden)]
static __FORCE_SECTION_REF: fn() = super::super::super::__link_custom_section_describing_imports;
#[allow(unused_unsafe, clippy::all)]
/// Return a 128-bit value that may contain a pseudo-random value.
///
/// The returned value is not required to be computed from a CSPRNG, and may
/// even be entirely deterministic. Host implementations are encouraged to
/// provide pseudo-random values to any program exposed to
/// attacker-controlled content, to enable DoS protection built into many
/// languages' hash-map implementations.
///
/// This function is intended to only be called once, by a source language
/// to initialize Denial Of Service (DoS) protection in its hash-map
/// implementation.
///
/// # Expected future evolution
///
/// This will likely be changed to a value import, to prevent it from being
/// called multiple times and potentially used for purposes other than DoS
/// protection.
#[allow(async_fn_in_trait)]
pub fn insecure_seed() -> (u64, u64) {
unsafe {
#[repr(align(8))]
struct RetArea([::core::mem::MaybeUninit<u8>; 16]);
let mut ret_area = RetArea([::core::mem::MaybeUninit::uninit(); 16]);
let ptr0 = ret_area.0.as_mut_ptr().cast::<u8>();
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:random/insecure-seed@0.2.4")]
unsafe extern "C" {
#[link_name = "insecure-seed"]
fn wit_import1(_: *mut u8);
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import1(_: *mut u8) {
unreachable!()
}
wit_import1(ptr0);
let l2 = *ptr0.add(0).cast::<i64>();
let l3 = *ptr0.add(8).cast::<i64>();
let result4 = (l2 as u64, l3 as u64);
result4
}
}
}
}
pub mod sockets {
#[allow(dead_code, async_fn_in_trait, unused_imports, clippy::all)]
pub mod network {
#[used]
#[doc(hidden)]
static __FORCE_SECTION_REF: fn() = super::super::super::__link_custom_section_describing_imports;
use super::super::super::_rt;
/// An opaque resource that represents access to (a subset of) the network.
/// This enables context-based security for networking.
/// There is no need for this to map 1:1 to a physical network interface.
#[derive(Debug)]
#[repr(transparent)]
pub struct Network {
handle: _rt::Resource<Network>,
}
impl Network {
#[doc(hidden)]
pub unsafe fn from_handle(handle: u32) -> Self {
Self {
handle: unsafe { _rt::Resource::from_handle(handle) },
}
}
#[doc(hidden)]
pub fn take_handle(&self) -> u32 {
_rt::Resource::take_handle(&self.handle)
}
#[doc(hidden)]
pub fn handle(&self) -> u32 {
_rt::Resource::handle(&self.handle)
}
}
unsafe impl _rt::WasmResource for Network {
#[inline]
unsafe fn drop(_handle: u32) {
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:sockets/network@0.2.4")]
unsafe extern "C" {
#[link_name = "[resource-drop]network"]
fn drop(_: i32);
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn drop(_: i32) {
unreachable!()
}
unsafe {
drop(_handle as i32);
}
}
}
/// Error codes.
///
/// In theory, every API can return any error code.
/// In practice, API's typically only return the errors documented per API
/// combined with a couple of errors that are always possible:
/// - `unknown`
/// - `access-denied`
/// - `not-supported`
/// - `out-of-memory`
/// - `concurrency-conflict`
///
/// See each individual API for what the POSIX equivalents are. They sometimes differ per API.
#[repr(u8)]
#[derive(Clone, Copy, Eq, Ord, PartialEq, PartialOrd)]
pub enum ErrorCode {
/// Unknown error
Unknown,
/// Access denied.
///
/// POSIX equivalent: EACCES, EPERM
AccessDenied,
/// The operation is not supported.
///
/// POSIX equivalent: EOPNOTSUPP
NotSupported,
/// One of the arguments is invalid.
///
/// POSIX equivalent: EINVAL
InvalidArgument,
/// Not enough memory to complete the operation.
///
/// POSIX equivalent: ENOMEM, ENOBUFS, EAI_MEMORY
OutOfMemory,
/// The operation timed out before it could finish completely.
Timeout,
/// This operation is incompatible with another asynchronous operation that is already in progress.
///
/// POSIX equivalent: EALREADY
ConcurrencyConflict,
/// Trying to finish an asynchronous operation that:
/// - has not been started yet, or:
/// - was already finished by a previous `finish-*` call.
///
/// Note: this is scheduled to be removed when `future`s are natively supported.
NotInProgress,
/// The operation has been aborted because it could not be completed immediately.
///
/// Note: this is scheduled to be removed when `future`s are natively supported.
WouldBlock,
/// The operation is not valid in the socket's current state.
InvalidState,
/// A new socket resource could not be created because of a system limit.
NewSocketLimit,
/// A bind operation failed because the provided address is not an address that the `network` can bind to.
AddressNotBindable,
/// A bind operation failed because the provided address is already in use or because there are no ephemeral ports available.
AddressInUse,
/// The remote address is not reachable
RemoteUnreachable,
/// The TCP connection was forcefully rejected
ConnectionRefused,
/// The TCP connection was reset.
ConnectionReset,
/// A TCP connection was aborted.
ConnectionAborted,
/// The size of a datagram sent to a UDP socket exceeded the maximum
/// supported size.
DatagramTooLarge,
/// Name does not exist or has no suitable associated IP addresses.
NameUnresolvable,
/// A temporary failure in name resolution occurred.
TemporaryResolverFailure,
/// A permanent failure in name resolution occurred.
PermanentResolverFailure,
}
impl ErrorCode {
pub fn name(&self) -> &'static str {
match self {
ErrorCode::Unknown => "unknown",
ErrorCode::AccessDenied => "access-denied",
ErrorCode::NotSupported => "not-supported",
ErrorCode::InvalidArgument => "invalid-argument",
ErrorCode::OutOfMemory => "out-of-memory",
ErrorCode::Timeout => "timeout",
ErrorCode::ConcurrencyConflict => "concurrency-conflict",
ErrorCode::NotInProgress => "not-in-progress",
ErrorCode::WouldBlock => "would-block",
ErrorCode::InvalidState => "invalid-state",
ErrorCode::NewSocketLimit => "new-socket-limit",
ErrorCode::AddressNotBindable => "address-not-bindable",
ErrorCode::AddressInUse => "address-in-use",
ErrorCode::RemoteUnreachable => "remote-unreachable",
ErrorCode::ConnectionRefused => "connection-refused",
ErrorCode::ConnectionReset => "connection-reset",
ErrorCode::ConnectionAborted => "connection-aborted",
ErrorCode::DatagramTooLarge => "datagram-too-large",
ErrorCode::NameUnresolvable => "name-unresolvable",
ErrorCode::TemporaryResolverFailure => {
"temporary-resolver-failure"
}
ErrorCode::PermanentResolverFailure => {
"permanent-resolver-failure"
}
}
}
pub fn message(&self) -> &'static str {
match self {
ErrorCode::Unknown => "Unknown error",
ErrorCode::AccessDenied => {
"Access denied.
POSIX equivalent: EACCES, EPERM"
}
ErrorCode::NotSupported => {
"The operation is not supported.
POSIX equivalent: EOPNOTSUPP"
}
ErrorCode::InvalidArgument => {
"One of the arguments is invalid.
POSIX equivalent: EINVAL"
}
ErrorCode::OutOfMemory => {
"Not enough memory to complete the operation.
POSIX equivalent: ENOMEM, ENOBUFS, EAI_MEMORY"
}
ErrorCode::Timeout => {
"The operation timed out before it could finish completely."
}
ErrorCode::ConcurrencyConflict => {
"This operation is incompatible with another asynchronous operation that is already in progress.
POSIX equivalent: EALREADY"
}
ErrorCode::NotInProgress => {
"Trying to finish an asynchronous operation that:
- has not been started yet, or:
- was already finished by a previous `finish-*` call.
Note: this is scheduled to be removed when `future`s are natively supported."
}
ErrorCode::WouldBlock => {
"The operation has been aborted because it could not be completed immediately.
Note: this is scheduled to be removed when `future`s are natively supported."
}
ErrorCode::InvalidState => {
"The operation is not valid in the socket's current state."
}
ErrorCode::NewSocketLimit => {
"A new socket resource could not be created because of a system limit."
}
ErrorCode::AddressNotBindable => {
"A bind operation failed because the provided address is not an address that the `network` can bind to."
}
ErrorCode::AddressInUse => {
"A bind operation failed because the provided address is already in use or because there are no ephemeral ports available."
}
ErrorCode::RemoteUnreachable => {
"The remote address is not reachable"
}
ErrorCode::ConnectionRefused => {
"The TCP connection was forcefully rejected"
}
ErrorCode::ConnectionReset => "The TCP connection was reset.",
ErrorCode::ConnectionAborted => "A TCP connection was aborted.",
ErrorCode::DatagramTooLarge => {
"The size of a datagram sent to a UDP socket exceeded the maximum
supported size."
}
ErrorCode::NameUnresolvable => {
"Name does not exist or has no suitable associated IP addresses."
}
ErrorCode::TemporaryResolverFailure => {
"A temporary failure in name resolution occurred."
}
ErrorCode::PermanentResolverFailure => {
"A permanent failure in name resolution occurred."
}
}
}
}
impl ::core::fmt::Debug for ErrorCode {
fn fmt(
&self,
f: &mut ::core::fmt::Formatter<'_>,
) -> ::core::fmt::Result {
f.debug_struct("ErrorCode")
.field("code", &(*self as i32))
.field("name", &self.name())
.field("message", &self.message())
.finish()
}
}
impl ::core::fmt::Display for ErrorCode {
fn fmt(
&self,
f: &mut ::core::fmt::Formatter<'_>,
) -> ::core::fmt::Result {
write!(f, "{} (error {})", self.name(), * self as i32)
}
}
#[cfg(feature = "std")]
impl std::error::Error for ErrorCode {}
impl ErrorCode {
#[doc(hidden)]
pub unsafe fn _lift(val: u8) -> ErrorCode {
if !cfg!(debug_assertions) {
return unsafe { ::core::mem::transmute(val) };
}
match val {
0 => ErrorCode::Unknown,
1 => ErrorCode::AccessDenied,
2 => ErrorCode::NotSupported,
3 => ErrorCode::InvalidArgument,
4 => ErrorCode::OutOfMemory,
5 => ErrorCode::Timeout,
6 => ErrorCode::ConcurrencyConflict,
7 => ErrorCode::NotInProgress,
8 => ErrorCode::WouldBlock,
9 => ErrorCode::InvalidState,
10 => ErrorCode::NewSocketLimit,
11 => ErrorCode::AddressNotBindable,
12 => ErrorCode::AddressInUse,
13 => ErrorCode::RemoteUnreachable,
14 => ErrorCode::ConnectionRefused,
15 => ErrorCode::ConnectionReset,
16 => ErrorCode::ConnectionAborted,
17 => ErrorCode::DatagramTooLarge,
18 => ErrorCode::NameUnresolvable,
19 => ErrorCode::TemporaryResolverFailure,
20 => ErrorCode::PermanentResolverFailure,
_ => panic!("invalid enum discriminant"),
}
}
}
#[repr(u8)]
#[derive(Clone, Copy, Eq, Ord, PartialEq, PartialOrd)]
pub enum IpAddressFamily {
/// Similar to `AF_INET` in POSIX.
Ipv4,
/// Similar to `AF_INET6` in POSIX.
Ipv6,
}
impl ::core::fmt::Debug for IpAddressFamily {
fn fmt(
&self,
f: &mut ::core::fmt::Formatter<'_>,
) -> ::core::fmt::Result {
match self {
IpAddressFamily::Ipv4 => {
f.debug_tuple("IpAddressFamily::Ipv4").finish()
}
IpAddressFamily::Ipv6 => {
f.debug_tuple("IpAddressFamily::Ipv6").finish()
}
}
}
}
impl IpAddressFamily {
#[doc(hidden)]
pub unsafe fn _lift(val: u8) -> IpAddressFamily {
if !cfg!(debug_assertions) {
return unsafe { ::core::mem::transmute(val) };
}
match val {
0 => IpAddressFamily::Ipv4,
1 => IpAddressFamily::Ipv6,
_ => panic!("invalid enum discriminant"),
}
}
}
pub type Ipv4Address = (u8, u8, u8, u8);
pub type Ipv6Address = (u16, u16, u16, u16, u16, u16, u16, u16);
#[derive(Clone, Copy)]
pub enum IpAddress {
Ipv4(Ipv4Address),
Ipv6(Ipv6Address),
}
impl ::core::fmt::Debug for IpAddress {
fn fmt(
&self,
f: &mut ::core::fmt::Formatter<'_>,
) -> ::core::fmt::Result {
match self {
IpAddress::Ipv4(e) => {
f.debug_tuple("IpAddress::Ipv4").field(e).finish()
}
IpAddress::Ipv6(e) => {
f.debug_tuple("IpAddress::Ipv6").field(e).finish()
}
}
}
}
#[repr(C)]
#[derive(Clone, Copy)]
pub struct Ipv4SocketAddress {
/// sin_port
pub port: u16,
/// sin_addr
pub address: Ipv4Address,
}
impl ::core::fmt::Debug for Ipv4SocketAddress {
fn fmt(
&self,
f: &mut ::core::fmt::Formatter<'_>,
) -> ::core::fmt::Result {
f.debug_struct("Ipv4SocketAddress")
.field("port", &self.port)
.field("address", &self.address)
.finish()
}
}
#[repr(C)]
#[derive(Clone, Copy)]
pub struct Ipv6SocketAddress {
/// sin6_port
pub port: u16,
/// sin6_flowinfo
pub flow_info: u32,
/// sin6_addr
pub address: Ipv6Address,
/// sin6_scope_id
pub scope_id: u32,
}
impl ::core::fmt::Debug for Ipv6SocketAddress {
fn fmt(
&self,
f: &mut ::core::fmt::Formatter<'_>,
) -> ::core::fmt::Result {
f.debug_struct("Ipv6SocketAddress")
.field("port", &self.port)
.field("flow-info", &self.flow_info)
.field("address", &self.address)
.field("scope-id", &self.scope_id)
.finish()
}
}
#[derive(Clone, Copy)]
pub enum IpSocketAddress {
Ipv4(Ipv4SocketAddress),
Ipv6(Ipv6SocketAddress),
}
impl ::core::fmt::Debug for IpSocketAddress {
fn fmt(
&self,
f: &mut ::core::fmt::Formatter<'_>,
) -> ::core::fmt::Result {
match self {
IpSocketAddress::Ipv4(e) => {
f.debug_tuple("IpSocketAddress::Ipv4").field(e).finish()
}
IpSocketAddress::Ipv6(e) => {
f.debug_tuple("IpSocketAddress::Ipv6").field(e).finish()
}
}
}
}
}
/// This interface provides a value-export of the default network handle..
#[allow(dead_code, async_fn_in_trait, unused_imports, clippy::all)]
pub mod instance_network {
#[used]
#[doc(hidden)]
static __FORCE_SECTION_REF: fn() = super::super::super::__link_custom_section_describing_imports;
pub type Network = super::super::super::wasi::sockets::network::Network;
#[allow(unused_unsafe, clippy::all)]
/// Get a handle to the default network.
#[allow(async_fn_in_trait)]
pub fn instance_network() -> Network {
unsafe {
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:sockets/instance-network@0.2.4")]
unsafe extern "C" {
#[link_name = "instance-network"]
fn wit_import0() -> i32;
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import0() -> i32 {
unreachable!()
}
let ret = wit_import0();
super::super::super::wasi::sockets::network::Network::from_handle(
ret as u32,
)
}
}
}
#[allow(dead_code, async_fn_in_trait, unused_imports, clippy::all)]
pub mod udp {
#[used]
#[doc(hidden)]
static __FORCE_SECTION_REF: fn() = super::super::super::__link_custom_section_describing_imports;
use super::super::super::_rt;
pub type Pollable = super::super::super::wasi::io::poll::Pollable;
pub type Network = super::super::super::wasi::sockets::network::Network;
pub type ErrorCode = super::super::super::wasi::sockets::network::ErrorCode;
pub type IpSocketAddress = super::super::super::wasi::sockets::network::IpSocketAddress;
pub type IpAddressFamily = super::super::super::wasi::sockets::network::IpAddressFamily;
/// A received datagram.
#[derive(Clone)]
pub struct IncomingDatagram {
/// The payload.
///
/// Theoretical max size: ~64 KiB. In practice, typically less than 1500 bytes.
pub data: _rt::Vec<u8>,
/// The source address.
///
/// This field is guaranteed to match the remote address the stream was initialized with, if any.
///
/// Equivalent to the `src_addr` out parameter of `recvfrom`.
pub remote_address: IpSocketAddress,
}
impl ::core::fmt::Debug for IncomingDatagram {
fn fmt(
&self,
f: &mut ::core::fmt::Formatter<'_>,
) -> ::core::fmt::Result {
f.debug_struct("IncomingDatagram")
.field("data", &self.data)
.field("remote-address", &self.remote_address)
.finish()
}
}
/// A datagram to be sent out.
#[derive(Clone)]
pub struct OutgoingDatagram {
/// The payload.
pub data: _rt::Vec<u8>,
/// The destination address.
///
/// The requirements on this field depend on how the stream was initialized:
/// - with a remote address: this field must be None or match the stream's remote address exactly.
/// - without a remote address: this field is required.
///
/// If this value is None, the send operation is equivalent to `send` in POSIX. Otherwise it is equivalent to `sendto`.
pub remote_address: Option<IpSocketAddress>,
}
impl ::core::fmt::Debug for OutgoingDatagram {
fn fmt(
&self,
f: &mut ::core::fmt::Formatter<'_>,
) -> ::core::fmt::Result {
f.debug_struct("OutgoingDatagram")
.field("data", &self.data)
.field("remote-address", &self.remote_address)
.finish()
}
}
/// A UDP socket handle.
#[derive(Debug)]
#[repr(transparent)]
pub struct UdpSocket {
handle: _rt::Resource<UdpSocket>,
}
impl UdpSocket {
#[doc(hidden)]
pub unsafe fn from_handle(handle: u32) -> Self {
Self {
handle: unsafe { _rt::Resource::from_handle(handle) },
}
}
#[doc(hidden)]
pub fn take_handle(&self) -> u32 {
_rt::Resource::take_handle(&self.handle)
}
#[doc(hidden)]
pub fn handle(&self) -> u32 {
_rt::Resource::handle(&self.handle)
}
}
unsafe impl _rt::WasmResource for UdpSocket {
#[inline]
unsafe fn drop(_handle: u32) {
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:sockets/udp@0.2.4")]
unsafe extern "C" {
#[link_name = "[resource-drop]udp-socket"]
fn drop(_: i32);
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn drop(_: i32) {
unreachable!()
}
unsafe {
drop(_handle as i32);
}
}
}
#[derive(Debug)]
#[repr(transparent)]
pub struct IncomingDatagramStream {
handle: _rt::Resource<IncomingDatagramStream>,
}
impl IncomingDatagramStream {
#[doc(hidden)]
pub unsafe fn from_handle(handle: u32) -> Self {
Self {
handle: unsafe { _rt::Resource::from_handle(handle) },
}
}
#[doc(hidden)]
pub fn take_handle(&self) -> u32 {
_rt::Resource::take_handle(&self.handle)
}
#[doc(hidden)]
pub fn handle(&self) -> u32 {
_rt::Resource::handle(&self.handle)
}
}
unsafe impl _rt::WasmResource for IncomingDatagramStream {
#[inline]
unsafe fn drop(_handle: u32) {
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:sockets/udp@0.2.4")]
unsafe extern "C" {
#[link_name = "[resource-drop]incoming-datagram-stream"]
fn drop(_: i32);
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn drop(_: i32) {
unreachable!()
}
unsafe {
drop(_handle as i32);
}
}
}
#[derive(Debug)]
#[repr(transparent)]
pub struct OutgoingDatagramStream {
handle: _rt::Resource<OutgoingDatagramStream>,
}
impl OutgoingDatagramStream {
#[doc(hidden)]
pub unsafe fn from_handle(handle: u32) -> Self {
Self {
handle: unsafe { _rt::Resource::from_handle(handle) },
}
}
#[doc(hidden)]
pub fn take_handle(&self) -> u32 {
_rt::Resource::take_handle(&self.handle)
}
#[doc(hidden)]
pub fn handle(&self) -> u32 {
_rt::Resource::handle(&self.handle)
}
}
unsafe impl _rt::WasmResource for OutgoingDatagramStream {
#[inline]
unsafe fn drop(_handle: u32) {
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:sockets/udp@0.2.4")]
unsafe extern "C" {
#[link_name = "[resource-drop]outgoing-datagram-stream"]
fn drop(_: i32);
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn drop(_: i32) {
unreachable!()
}
unsafe {
drop(_handle as i32);
}
}
}
impl UdpSocket {
#[allow(unused_unsafe, clippy::all)]
/// Bind the socket to a specific network on the provided IP address and port.
///
/// If the IP address is zero (`0.0.0.0` in IPv4, `::` in IPv6), it is left to the implementation to decide which
/// network interface(s) to bind to.
/// If the port is zero, the socket will be bound to a random free port.
///
/// # Typical errors
/// - `invalid-argument`: The `local-address` has the wrong address family. (EAFNOSUPPORT, EFAULT on Windows)
/// - `invalid-state`: The socket is already bound. (EINVAL)
/// - `address-in-use`: No ephemeral ports available. (EADDRINUSE, ENOBUFS on Windows)
/// - `address-in-use`: Address is already in use. (EADDRINUSE)
/// - `address-not-bindable`: `local-address` is not an address that the `network` can bind to. (EADDRNOTAVAIL)
/// - `not-in-progress`: A `bind` operation is not in progress.
/// - `would-block`: Can't finish the operation, it is still in progress. (EWOULDBLOCK, EAGAIN)
///
/// # Implementors note
/// Unlike in POSIX, in WASI the bind operation is async. This enables
/// interactive WASI hosts to inject permission prompts. Runtimes that
/// don't want to make use of this ability can simply call the native
/// `bind` as part of either `start-bind` or `finish-bind`.
///
/// # References
/// - <https://pubs.opengroup.org/onlinepubs/9699919799/functions/bind.html>
/// - <https://man7.org/linux/man-pages/man2/bind.2.html>
/// - <https://learn.microsoft.com/en-us/windows/win32/api/winsock/nf-winsock-bind>
/// - <https://man.freebsd.org/cgi/man.cgi?query=bind&sektion=2&format=html>
#[allow(async_fn_in_trait)]
pub fn start_bind(
&self,
network: &Network,
local_address: IpSocketAddress,
) -> Result<(), ErrorCode> {
unsafe {
#[repr(align(1))]
struct RetArea([::core::mem::MaybeUninit<u8>; 2]);
let mut ret_area = RetArea(
[::core::mem::MaybeUninit::uninit(); 2],
);
use super::super::super::wasi::sockets::network::IpSocketAddress as V4;
let (
result5_0,
result5_1,
result5_2,
result5_3,
result5_4,
result5_5,
result5_6,
result5_7,
result5_8,
result5_9,
result5_10,
result5_11,
) = match local_address {
V4::Ipv4(e) => {
let super::super::super::wasi::sockets::network::Ipv4SocketAddress {
port: port0,
address: address0,
} = e;
let (t1_0, t1_1, t1_2, t1_3) = address0;
(
0i32,
_rt::as_i32(port0),
_rt::as_i32(t1_0),
_rt::as_i32(t1_1),
_rt::as_i32(t1_2),
_rt::as_i32(t1_3),
0i32,
0i32,
0i32,
0i32,
0i32,
0i32,
)
}
V4::Ipv6(e) => {
let super::super::super::wasi::sockets::network::Ipv6SocketAddress {
port: port2,
flow_info: flow_info2,
address: address2,
scope_id: scope_id2,
} = e;
let (t3_0, t3_1, t3_2, t3_3, t3_4, t3_5, t3_6, t3_7) = address2;
(
1i32,
_rt::as_i32(port2),
_rt::as_i32(flow_info2),
_rt::as_i32(t3_0),
_rt::as_i32(t3_1),
_rt::as_i32(t3_2),
_rt::as_i32(t3_3),
_rt::as_i32(t3_4),
_rt::as_i32(t3_5),
_rt::as_i32(t3_6),
_rt::as_i32(t3_7),
_rt::as_i32(scope_id2),
)
}
};
let ptr6 = ret_area.0.as_mut_ptr().cast::<u8>();
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:sockets/udp@0.2.4")]
unsafe extern "C" {
#[link_name = "[method]udp-socket.start-bind"]
fn wit_import7(
_: i32,
_: i32,
_: i32,
_: i32,
_: i32,
_: i32,
_: i32,
_: i32,
_: i32,
_: i32,
_: i32,
_: i32,
_: i32,
_: i32,
_: *mut u8,
);
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import7(
_: i32,
_: i32,
_: i32,
_: i32,
_: i32,
_: i32,
_: i32,
_: i32,
_: i32,
_: i32,
_: i32,
_: i32,
_: i32,
_: i32,
_: *mut u8,
) {
unreachable!()
}
wit_import7(
(self).handle() as i32,
(network).handle() as i32,
result5_0,
result5_1,
result5_2,
result5_3,
result5_4,
result5_5,
result5_6,
result5_7,
result5_8,
result5_9,
result5_10,
result5_11,
ptr6,
);
let l8 = i32::from(*ptr6.add(0).cast::<u8>());
let result10 = match l8 {
0 => {
let e = ();
Ok(e)
}
1 => {
let e = {
let l9 = i32::from(*ptr6.add(1).cast::<u8>());
super::super::super::wasi::sockets::network::ErrorCode::_lift(
l9 as u8,
)
};
Err(e)
}
_ => _rt::invalid_enum_discriminant(),
};
result10
}
}
}
impl UdpSocket {
#[allow(unused_unsafe, clippy::all)]
#[allow(async_fn_in_trait)]
pub fn finish_bind(&self) -> Result<(), ErrorCode> {
unsafe {
#[repr(align(1))]
struct RetArea([::core::mem::MaybeUninit<u8>; 2]);
let mut ret_area = RetArea(
[::core::mem::MaybeUninit::uninit(); 2],
);
let ptr0 = ret_area.0.as_mut_ptr().cast::<u8>();
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:sockets/udp@0.2.4")]
unsafe extern "C" {
#[link_name = "[method]udp-socket.finish-bind"]
fn wit_import1(_: i32, _: *mut u8);
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import1(_: i32, _: *mut u8) {
unreachable!()
}
wit_import1((self).handle() as i32, ptr0);
let l2 = i32::from(*ptr0.add(0).cast::<u8>());
let result4 = match l2 {
0 => {
let e = ();
Ok(e)
}
1 => {
let e = {
let l3 = i32::from(*ptr0.add(1).cast::<u8>());
super::super::super::wasi::sockets::network::ErrorCode::_lift(
l3 as u8,
)
};
Err(e)
}
_ => _rt::invalid_enum_discriminant(),
};
result4
}
}
}
impl UdpSocket {
#[allow(unused_unsafe, clippy::all)]
/// Set up inbound & outbound communication channels, optionally to a specific peer.
///
/// This function only changes the local socket configuration and does not generate any network traffic.
/// On success, the `remote-address` of the socket is updated. The `local-address` may be updated as well,
/// based on the best network path to `remote-address`.
///
/// When a `remote-address` is provided, the returned streams are limited to communicating with that specific peer:
/// - `send` can only be used to send to this destination.
/// - `receive` will only return datagrams sent from the provided `remote-address`.
///
/// This method may be called multiple times on the same socket to change its association, but
/// only the most recently returned pair of streams will be operational. Implementations may trap if
/// the streams returned by a previous invocation haven't been dropped yet before calling `stream` again.
///
/// The POSIX equivalent in pseudo-code is:
/// ```text
/// if (was previously connected) {
/// connect(s, AF_UNSPEC)
/// }
/// if (remote_address is Some) {
/// connect(s, remote_address)
/// }
/// ```
///
/// Unlike in POSIX, the socket must already be explicitly bound.
///
/// # Typical errors
/// - `invalid-argument`: The `remote-address` has the wrong address family. (EAFNOSUPPORT)
/// - `invalid-argument`: The IP address in `remote-address` is set to INADDR_ANY (`0.0.0.0` / `::`). (EDESTADDRREQ, EADDRNOTAVAIL)
/// - `invalid-argument`: The port in `remote-address` is set to 0. (EDESTADDRREQ, EADDRNOTAVAIL)
/// - `invalid-state`: The socket is not bound.
/// - `address-in-use`: Tried to perform an implicit bind, but there were no ephemeral ports available. (EADDRINUSE, EADDRNOTAVAIL on Linux, EAGAIN on BSD)
/// - `remote-unreachable`: The remote address is not reachable. (ECONNRESET, ENETRESET, EHOSTUNREACH, EHOSTDOWN, ENETUNREACH, ENETDOWN, ENONET)
/// - `connection-refused`: The connection was refused. (ECONNREFUSED)
///
/// # References
/// - <https://pubs.opengroup.org/onlinepubs/9699919799/functions/connect.html>
/// - <https://man7.org/linux/man-pages/man2/connect.2.html>
/// - <https://learn.microsoft.com/en-us/windows/win32/api/winsock2/nf-winsock2-connect>
/// - <https://man.freebsd.org/cgi/man.cgi?connect>
#[allow(async_fn_in_trait)]
pub fn stream(
&self,
remote_address: Option<IpSocketAddress>,
) -> Result<
(IncomingDatagramStream, OutgoingDatagramStream),
ErrorCode,
> {
unsafe {
#[repr(align(4))]
struct RetArea([::core::mem::MaybeUninit<u8>; 12]);
let mut ret_area = RetArea(
[::core::mem::MaybeUninit::uninit(); 12],
);
let (
result6_0,
result6_1,
result6_2,
result6_3,
result6_4,
result6_5,
result6_6,
result6_7,
result6_8,
result6_9,
result6_10,
result6_11,
result6_12,
) = match remote_address {
Some(e) => {
use super::super::super::wasi::sockets::network::IpSocketAddress as V4;
let (
result5_0,
result5_1,
result5_2,
result5_3,
result5_4,
result5_5,
result5_6,
result5_7,
result5_8,
result5_9,
result5_10,
result5_11,
) = match e {
V4::Ipv4(e) => {
let super::super::super::wasi::sockets::network::Ipv4SocketAddress {
port: port0,
address: address0,
} = e;
let (t1_0, t1_1, t1_2, t1_3) = address0;
(
0i32,
_rt::as_i32(port0),
_rt::as_i32(t1_0),
_rt::as_i32(t1_1),
_rt::as_i32(t1_2),
_rt::as_i32(t1_3),
0i32,
0i32,
0i32,
0i32,
0i32,
0i32,
)
}
V4::Ipv6(e) => {
let super::super::super::wasi::sockets::network::Ipv6SocketAddress {
port: port2,
flow_info: flow_info2,
address: address2,
scope_id: scope_id2,
} = e;
let (t3_0, t3_1, t3_2, t3_3, t3_4, t3_5, t3_6, t3_7) = address2;
(
1i32,
_rt::as_i32(port2),
_rt::as_i32(flow_info2),
_rt::as_i32(t3_0),
_rt::as_i32(t3_1),
_rt::as_i32(t3_2),
_rt::as_i32(t3_3),
_rt::as_i32(t3_4),
_rt::as_i32(t3_5),
_rt::as_i32(t3_6),
_rt::as_i32(t3_7),
_rt::as_i32(scope_id2),
)
}
};
(
1i32,
result5_0,
result5_1,
result5_2,
result5_3,
result5_4,
result5_5,
result5_6,
result5_7,
result5_8,
result5_9,
result5_10,
result5_11,
)
}
None => {
(
0i32,
0i32,
0i32,
0i32,
0i32,
0i32,
0i32,
0i32,
0i32,
0i32,
0i32,
0i32,
0i32,
)
}
};
let ptr7 = ret_area.0.as_mut_ptr().cast::<u8>();
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:sockets/udp@0.2.4")]
unsafe extern "C" {
#[link_name = "[method]udp-socket.stream"]
fn wit_import8(
_: i32,
_: i32,
_: i32,
_: i32,
_: i32,
_: i32,
_: i32,
_: i32,
_: i32,
_: i32,
_: i32,
_: i32,
_: i32,
_: i32,
_: *mut u8,
);
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import8(
_: i32,
_: i32,
_: i32,
_: i32,
_: i32,
_: i32,
_: i32,
_: i32,
_: i32,
_: i32,
_: i32,
_: i32,
_: i32,
_: i32,
_: *mut u8,
) {
unreachable!()
}
wit_import8(
(self).handle() as i32,
result6_0,
result6_1,
result6_2,
result6_3,
result6_4,
result6_5,
result6_6,
result6_7,
result6_8,
result6_9,
result6_10,
result6_11,
result6_12,
ptr7,
);
let l9 = i32::from(*ptr7.add(0).cast::<u8>());
let result13 = match l9 {
0 => {
let e = {
let l10 = *ptr7.add(4).cast::<i32>();
let l11 = *ptr7.add(8).cast::<i32>();
(
IncomingDatagramStream::from_handle(l10 as u32),
OutgoingDatagramStream::from_handle(l11 as u32),
)
};
Ok(e)
}
1 => {
let e = {
let l12 = i32::from(*ptr7.add(4).cast::<u8>());
super::super::super::wasi::sockets::network::ErrorCode::_lift(
l12 as u8,
)
};
Err(e)
}
_ => _rt::invalid_enum_discriminant(),
};
result13
}
}
}
impl UdpSocket {
#[allow(unused_unsafe, clippy::all)]
/// Get the current bound address.
///
/// POSIX mentions:
/// > If the socket has not been bound to a local name, the value
/// > stored in the object pointed to by `address` is unspecified.
///
/// WASI is stricter and requires `local-address` to return `invalid-state` when the socket hasn't been bound yet.
///
/// # Typical errors
/// - `invalid-state`: The socket is not bound to any local address.
///
/// # References
/// - <https://pubs.opengroup.org/onlinepubs/9699919799/functions/getsockname.html>
/// - <https://man7.org/linux/man-pages/man2/getsockname.2.html>
/// - <https://learn.microsoft.com/en-us/windows/win32/api/winsock/nf-winsock-getsockname>
/// - <https://man.freebsd.org/cgi/man.cgi?getsockname>
#[allow(async_fn_in_trait)]
pub fn local_address(&self) -> Result<IpSocketAddress, ErrorCode> {
unsafe {
#[repr(align(4))]
struct RetArea([::core::mem::MaybeUninit<u8>; 36]);
let mut ret_area = RetArea(
[::core::mem::MaybeUninit::uninit(); 36],
);
let ptr0 = ret_area.0.as_mut_ptr().cast::<u8>();
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:sockets/udp@0.2.4")]
unsafe extern "C" {
#[link_name = "[method]udp-socket.local-address"]
fn wit_import1(_: i32, _: *mut u8);
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import1(_: i32, _: *mut u8) {
unreachable!()
}
wit_import1((self).handle() as i32, ptr0);
let l2 = i32::from(*ptr0.add(0).cast::<u8>());
let result22 = match l2 {
0 => {
let e = {
let l3 = i32::from(*ptr0.add(4).cast::<u8>());
use super::super::super::wasi::sockets::network::IpSocketAddress as V20;
let v20 = match l3 {
0 => {
let e20 = {
let l4 = i32::from(*ptr0.add(8).cast::<u16>());
let l5 = i32::from(*ptr0.add(10).cast::<u8>());
let l6 = i32::from(*ptr0.add(11).cast::<u8>());
let l7 = i32::from(*ptr0.add(12).cast::<u8>());
let l8 = i32::from(*ptr0.add(13).cast::<u8>());
super::super::super::wasi::sockets::network::Ipv4SocketAddress {
port: l4 as u16,
address: (l5 as u8, l6 as u8, l7 as u8, l8 as u8),
}
};
V20::Ipv4(e20)
}
n => {
debug_assert_eq!(n, 1, "invalid enum discriminant");
let e20 = {
let l9 = i32::from(*ptr0.add(8).cast::<u16>());
let l10 = *ptr0.add(12).cast::<i32>();
let l11 = i32::from(*ptr0.add(16).cast::<u16>());
let l12 = i32::from(*ptr0.add(18).cast::<u16>());
let l13 = i32::from(*ptr0.add(20).cast::<u16>());
let l14 = i32::from(*ptr0.add(22).cast::<u16>());
let l15 = i32::from(*ptr0.add(24).cast::<u16>());
let l16 = i32::from(*ptr0.add(26).cast::<u16>());
let l17 = i32::from(*ptr0.add(28).cast::<u16>());
let l18 = i32::from(*ptr0.add(30).cast::<u16>());
let l19 = *ptr0.add(32).cast::<i32>();
super::super::super::wasi::sockets::network::Ipv6SocketAddress {
port: l9 as u16,
flow_info: l10 as u32,
address: (
l11 as u16,
l12 as u16,
l13 as u16,
l14 as u16,
l15 as u16,
l16 as u16,
l17 as u16,
l18 as u16,
),
scope_id: l19 as u32,
}
};
V20::Ipv6(e20)
}
};
v20
};
Ok(e)
}
1 => {
let e = {
let l21 = i32::from(*ptr0.add(4).cast::<u8>());
super::super::super::wasi::sockets::network::ErrorCode::_lift(
l21 as u8,
)
};
Err(e)
}
_ => _rt::invalid_enum_discriminant(),
};
result22
}
}
}
impl UdpSocket {
#[allow(unused_unsafe, clippy::all)]
/// Get the address the socket is currently streaming to.
///
/// # Typical errors
/// - `invalid-state`: The socket is not streaming to a specific remote address. (ENOTCONN)
///
/// # References
/// - <https://pubs.opengroup.org/onlinepubs/9699919799/functions/getpeername.html>
/// - <https://man7.org/linux/man-pages/man2/getpeername.2.html>
/// - <https://learn.microsoft.com/en-us/windows/win32/api/winsock/nf-winsock-getpeername>
/// - <https://man.freebsd.org/cgi/man.cgi?query=getpeername&sektion=2&n=1>
#[allow(async_fn_in_trait)]
pub fn remote_address(&self) -> Result<IpSocketAddress, ErrorCode> {
unsafe {
#[repr(align(4))]
struct RetArea([::core::mem::MaybeUninit<u8>; 36]);
let mut ret_area = RetArea(
[::core::mem::MaybeUninit::uninit(); 36],
);
let ptr0 = ret_area.0.as_mut_ptr().cast::<u8>();
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:sockets/udp@0.2.4")]
unsafe extern "C" {
#[link_name = "[method]udp-socket.remote-address"]
fn wit_import1(_: i32, _: *mut u8);
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import1(_: i32, _: *mut u8) {
unreachable!()
}
wit_import1((self).handle() as i32, ptr0);
let l2 = i32::from(*ptr0.add(0).cast::<u8>());
let result22 = match l2 {
0 => {
let e = {
let l3 = i32::from(*ptr0.add(4).cast::<u8>());
use super::super::super::wasi::sockets::network::IpSocketAddress as V20;
let v20 = match l3 {
0 => {
let e20 = {
let l4 = i32::from(*ptr0.add(8).cast::<u16>());
let l5 = i32::from(*ptr0.add(10).cast::<u8>());
let l6 = i32::from(*ptr0.add(11).cast::<u8>());
let l7 = i32::from(*ptr0.add(12).cast::<u8>());
let l8 = i32::from(*ptr0.add(13).cast::<u8>());
super::super::super::wasi::sockets::network::Ipv4SocketAddress {
port: l4 as u16,
address: (l5 as u8, l6 as u8, l7 as u8, l8 as u8),
}
};
V20::Ipv4(e20)
}
n => {
debug_assert_eq!(n, 1, "invalid enum discriminant");
let e20 = {
let l9 = i32::from(*ptr0.add(8).cast::<u16>());
let l10 = *ptr0.add(12).cast::<i32>();
let l11 = i32::from(*ptr0.add(16).cast::<u16>());
let l12 = i32::from(*ptr0.add(18).cast::<u16>());
let l13 = i32::from(*ptr0.add(20).cast::<u16>());
let l14 = i32::from(*ptr0.add(22).cast::<u16>());
let l15 = i32::from(*ptr0.add(24).cast::<u16>());
let l16 = i32::from(*ptr0.add(26).cast::<u16>());
let l17 = i32::from(*ptr0.add(28).cast::<u16>());
let l18 = i32::from(*ptr0.add(30).cast::<u16>());
let l19 = *ptr0.add(32).cast::<i32>();
super::super::super::wasi::sockets::network::Ipv6SocketAddress {
port: l9 as u16,
flow_info: l10 as u32,
address: (
l11 as u16,
l12 as u16,
l13 as u16,
l14 as u16,
l15 as u16,
l16 as u16,
l17 as u16,
l18 as u16,
),
scope_id: l19 as u32,
}
};
V20::Ipv6(e20)
}
};
v20
};
Ok(e)
}
1 => {
let e = {
let l21 = i32::from(*ptr0.add(4).cast::<u8>());
super::super::super::wasi::sockets::network::ErrorCode::_lift(
l21 as u8,
)
};
Err(e)
}
_ => _rt::invalid_enum_discriminant(),
};
result22
}
}
}
impl UdpSocket {
#[allow(unused_unsafe, clippy::all)]
/// Whether this is a IPv4 or IPv6 socket.
///
/// Equivalent to the SO_DOMAIN socket option.
#[allow(async_fn_in_trait)]
pub fn address_family(&self) -> IpAddressFamily {
unsafe {
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:sockets/udp@0.2.4")]
unsafe extern "C" {
#[link_name = "[method]udp-socket.address-family"]
fn wit_import0(_: i32) -> i32;
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import0(_: i32) -> i32 {
unreachable!()
}
let ret = wit_import0((self).handle() as i32);
super::super::super::wasi::sockets::network::IpAddressFamily::_lift(
ret as u8,
)
}
}
}
impl UdpSocket {
#[allow(unused_unsafe, clippy::all)]
/// Equivalent to the IP_TTL & IPV6_UNICAST_HOPS socket options.
///
/// If the provided value is 0, an `invalid-argument` error is returned.
///
/// # Typical errors
/// - `invalid-argument`: (set) The TTL value must be 1 or higher.
#[allow(async_fn_in_trait)]
pub fn unicast_hop_limit(&self) -> Result<u8, ErrorCode> {
unsafe {
#[repr(align(1))]
struct RetArea([::core::mem::MaybeUninit<u8>; 2]);
let mut ret_area = RetArea(
[::core::mem::MaybeUninit::uninit(); 2],
);
let ptr0 = ret_area.0.as_mut_ptr().cast::<u8>();
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:sockets/udp@0.2.4")]
unsafe extern "C" {
#[link_name = "[method]udp-socket.unicast-hop-limit"]
fn wit_import1(_: i32, _: *mut u8);
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import1(_: i32, _: *mut u8) {
unreachable!()
}
wit_import1((self).handle() as i32, ptr0);
let l2 = i32::from(*ptr0.add(0).cast::<u8>());
let result5 = match l2 {
0 => {
let e = {
let l3 = i32::from(*ptr0.add(1).cast::<u8>());
l3 as u8
};
Ok(e)
}
1 => {
let e = {
let l4 = i32::from(*ptr0.add(1).cast::<u8>());
super::super::super::wasi::sockets::network::ErrorCode::_lift(
l4 as u8,
)
};
Err(e)
}
_ => _rt::invalid_enum_discriminant(),
};
result5
}
}
}
impl UdpSocket {
#[allow(unused_unsafe, clippy::all)]
#[allow(async_fn_in_trait)]
pub fn set_unicast_hop_limit(&self, value: u8) -> Result<(), ErrorCode> {
unsafe {
#[repr(align(1))]
struct RetArea([::core::mem::MaybeUninit<u8>; 2]);
let mut ret_area = RetArea(
[::core::mem::MaybeUninit::uninit(); 2],
);
let ptr0 = ret_area.0.as_mut_ptr().cast::<u8>();
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:sockets/udp@0.2.4")]
unsafe extern "C" {
#[link_name = "[method]udp-socket.set-unicast-hop-limit"]
fn wit_import1(_: i32, _: i32, _: *mut u8);
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import1(_: i32, _: i32, _: *mut u8) {
unreachable!()
}
wit_import1((self).handle() as i32, _rt::as_i32(&value), ptr0);
let l2 = i32::from(*ptr0.add(0).cast::<u8>());
let result4 = match l2 {
0 => {
let e = ();
Ok(e)
}
1 => {
let e = {
let l3 = i32::from(*ptr0.add(1).cast::<u8>());
super::super::super::wasi::sockets::network::ErrorCode::_lift(
l3 as u8,
)
};
Err(e)
}
_ => _rt::invalid_enum_discriminant(),
};
result4
}
}
}
impl UdpSocket {
#[allow(unused_unsafe, clippy::all)]
/// The kernel buffer space reserved for sends/receives on this socket.
///
/// If the provided value is 0, an `invalid-argument` error is returned.
/// Any other value will never cause an error, but it might be silently clamped and/or rounded.
/// I.e. after setting a value, reading the same setting back may return a different value.
///
/// Equivalent to the SO_RCVBUF and SO_SNDBUF socket options.
///
/// # Typical errors
/// - `invalid-argument`: (set) The provided value was 0.
#[allow(async_fn_in_trait)]
pub fn receive_buffer_size(&self) -> Result<u64, ErrorCode> {
unsafe {
#[repr(align(8))]
struct RetArea([::core::mem::MaybeUninit<u8>; 16]);
let mut ret_area = RetArea(
[::core::mem::MaybeUninit::uninit(); 16],
);
let ptr0 = ret_area.0.as_mut_ptr().cast::<u8>();
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:sockets/udp@0.2.4")]
unsafe extern "C" {
#[link_name = "[method]udp-socket.receive-buffer-size"]
fn wit_import1(_: i32, _: *mut u8);
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import1(_: i32, _: *mut u8) {
unreachable!()
}
wit_import1((self).handle() as i32, ptr0);
let l2 = i32::from(*ptr0.add(0).cast::<u8>());
let result5 = match l2 {
0 => {
let e = {
let l3 = *ptr0.add(8).cast::<i64>();
l3 as u64
};
Ok(e)
}
1 => {
let e = {
let l4 = i32::from(*ptr0.add(8).cast::<u8>());
super::super::super::wasi::sockets::network::ErrorCode::_lift(
l4 as u8,
)
};
Err(e)
}
_ => _rt::invalid_enum_discriminant(),
};
result5
}
}
}
impl UdpSocket {
#[allow(unused_unsafe, clippy::all)]
#[allow(async_fn_in_trait)]
pub fn set_receive_buffer_size(
&self,
value: u64,
) -> Result<(), ErrorCode> {
unsafe {
#[repr(align(1))]
struct RetArea([::core::mem::MaybeUninit<u8>; 2]);
let mut ret_area = RetArea(
[::core::mem::MaybeUninit::uninit(); 2],
);
let ptr0 = ret_area.0.as_mut_ptr().cast::<u8>();
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:sockets/udp@0.2.4")]
unsafe extern "C" {
#[link_name = "[method]udp-socket.set-receive-buffer-size"]
fn wit_import1(_: i32, _: i64, _: *mut u8);
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import1(_: i32, _: i64, _: *mut u8) {
unreachable!()
}
wit_import1((self).handle() as i32, _rt::as_i64(&value), ptr0);
let l2 = i32::from(*ptr0.add(0).cast::<u8>());
let result4 = match l2 {
0 => {
let e = ();
Ok(e)
}
1 => {
let e = {
let l3 = i32::from(*ptr0.add(1).cast::<u8>());
super::super::super::wasi::sockets::network::ErrorCode::_lift(
l3 as u8,
)
};
Err(e)
}
_ => _rt::invalid_enum_discriminant(),
};
result4
}
}
}
impl UdpSocket {
#[allow(unused_unsafe, clippy::all)]
#[allow(async_fn_in_trait)]
pub fn send_buffer_size(&self) -> Result<u64, ErrorCode> {
unsafe {
#[repr(align(8))]
struct RetArea([::core::mem::MaybeUninit<u8>; 16]);
let mut ret_area = RetArea(
[::core::mem::MaybeUninit::uninit(); 16],
);
let ptr0 = ret_area.0.as_mut_ptr().cast::<u8>();
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:sockets/udp@0.2.4")]
unsafe extern "C" {
#[link_name = "[method]udp-socket.send-buffer-size"]
fn wit_import1(_: i32, _: *mut u8);
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import1(_: i32, _: *mut u8) {
unreachable!()
}
wit_import1((self).handle() as i32, ptr0);
let l2 = i32::from(*ptr0.add(0).cast::<u8>());
let result5 = match l2 {
0 => {
let e = {
let l3 = *ptr0.add(8).cast::<i64>();
l3 as u64
};
Ok(e)
}
1 => {
let e = {
let l4 = i32::from(*ptr0.add(8).cast::<u8>());
super::super::super::wasi::sockets::network::ErrorCode::_lift(
l4 as u8,
)
};
Err(e)
}
_ => _rt::invalid_enum_discriminant(),
};
result5
}
}
}
impl UdpSocket {
#[allow(unused_unsafe, clippy::all)]
#[allow(async_fn_in_trait)]
pub fn set_send_buffer_size(&self, value: u64) -> Result<(), ErrorCode> {
unsafe {
#[repr(align(1))]
struct RetArea([::core::mem::MaybeUninit<u8>; 2]);
let mut ret_area = RetArea(
[::core::mem::MaybeUninit::uninit(); 2],
);
let ptr0 = ret_area.0.as_mut_ptr().cast::<u8>();
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:sockets/udp@0.2.4")]
unsafe extern "C" {
#[link_name = "[method]udp-socket.set-send-buffer-size"]
fn wit_import1(_: i32, _: i64, _: *mut u8);
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import1(_: i32, _: i64, _: *mut u8) {
unreachable!()
}
wit_import1((self).handle() as i32, _rt::as_i64(&value), ptr0);
let l2 = i32::from(*ptr0.add(0).cast::<u8>());
let result4 = match l2 {
0 => {
let e = ();
Ok(e)
}
1 => {
let e = {
let l3 = i32::from(*ptr0.add(1).cast::<u8>());
super::super::super::wasi::sockets::network::ErrorCode::_lift(
l3 as u8,
)
};
Err(e)
}
_ => _rt::invalid_enum_discriminant(),
};
result4
}
}
}
impl UdpSocket {
#[allow(unused_unsafe, clippy::all)]
/// Create a `pollable` which will resolve once the socket is ready for I/O.
///
/// Note: this function is here for WASI 0.2 only.
/// It's planned to be removed when `future` is natively supported in Preview3.
#[allow(async_fn_in_trait)]
pub fn subscribe(&self) -> Pollable {
unsafe {
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:sockets/udp@0.2.4")]
unsafe extern "C" {
#[link_name = "[method]udp-socket.subscribe"]
fn wit_import0(_: i32) -> i32;
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import0(_: i32) -> i32 {
unreachable!()
}
let ret = wit_import0((self).handle() as i32);
super::super::super::wasi::io::poll::Pollable::from_handle(
ret as u32,
)
}
}
}
impl IncomingDatagramStream {
#[allow(unused_unsafe, clippy::all)]
/// Receive messages on the socket.
///
/// This function attempts to receive up to `max-results` datagrams on the socket without blocking.
/// The returned list may contain fewer elements than requested, but never more.
///
/// This function returns successfully with an empty list when either:
/// - `max-results` is 0, or:
/// - `max-results` is greater than 0, but no results are immediately available.
/// This function never returns `error(would-block)`.
///
/// # Typical errors
/// - `remote-unreachable`: The remote address is not reachable. (ECONNRESET, ENETRESET on Windows, EHOSTUNREACH, EHOSTDOWN, ENETUNREACH, ENETDOWN, ENONET)
/// - `connection-refused`: The connection was refused. (ECONNREFUSED)
///
/// # References
/// - <https://pubs.opengroup.org/onlinepubs/9699919799/functions/recvfrom.html>
/// - <https://pubs.opengroup.org/onlinepubs/9699919799/functions/recvmsg.html>
/// - <https://man7.org/linux/man-pages/man2/recv.2.html>
/// - <https://man7.org/linux/man-pages/man2/recvmmsg.2.html>
/// - <https://learn.microsoft.com/en-us/windows/win32/api/winsock/nf-winsock-recv>
/// - <https://learn.microsoft.com/en-us/windows/win32/api/winsock/nf-winsock-recvfrom>
/// - <https://learn.microsoft.com/en-us/previous-versions/windows/desktop/legacy/ms741687(v=vs.85)>
/// - <https://man.freebsd.org/cgi/man.cgi?query=recv&sektion=2>
#[allow(async_fn_in_trait)]
pub fn receive(
&self,
max_results: u64,
) -> Result<_rt::Vec<IncomingDatagram>, ErrorCode> {
unsafe {
#[cfg_attr(target_pointer_width = "64", repr(align(8)))]
#[cfg_attr(target_pointer_width = "32", repr(align(4)))]
struct RetArea(
[::core::mem::MaybeUninit<
u8,
>; 3 * ::core::mem::size_of::<*const u8>()],
);
let mut ret_area = RetArea(
[::core::mem::MaybeUninit::uninit(); 3
* ::core::mem::size_of::<*const u8>()],
);
let ptr0 = ret_area.0.as_mut_ptr().cast::<u8>();
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:sockets/udp@0.2.4")]
unsafe extern "C" {
#[link_name = "[method]incoming-datagram-stream.receive"]
fn wit_import1(_: i32, _: i64, _: *mut u8);
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import1(_: i32, _: i64, _: *mut u8) {
unreachable!()
}
wit_import1(
(self).handle() as i32,
_rt::as_i64(&max_results),
ptr0,
);
let l2 = i32::from(*ptr0.add(0).cast::<u8>());
let result28 = match l2 {
0 => {
let e = {
let l3 = *ptr0
.add(::core::mem::size_of::<*const u8>())
.cast::<*mut u8>();
let l4 = *ptr0
.add(2 * ::core::mem::size_of::<*const u8>())
.cast::<usize>();
let base26 = l3;
let len26 = l4;
let mut result26 = _rt::Vec::with_capacity(len26);
for i in 0..len26 {
let base = base26
.add(i * (32 + 2 * ::core::mem::size_of::<*const u8>()));
let e26 = {
let l5 = *base.add(0).cast::<*mut u8>();
let l6 = *base
.add(::core::mem::size_of::<*const u8>())
.cast::<usize>();
let len7 = l6;
let l8 = i32::from(
*base
.add(2 * ::core::mem::size_of::<*const u8>())
.cast::<u8>(),
);
use super::super::super::wasi::sockets::network::IpSocketAddress as V25;
let v25 = match l8 {
0 => {
let e25 = {
let l9 = i32::from(
*base
.add(4 + 2 * ::core::mem::size_of::<*const u8>())
.cast::<u16>(),
);
let l10 = i32::from(
*base
.add(6 + 2 * ::core::mem::size_of::<*const u8>())
.cast::<u8>(),
);
let l11 = i32::from(
*base
.add(7 + 2 * ::core::mem::size_of::<*const u8>())
.cast::<u8>(),
);
let l12 = i32::from(
*base
.add(8 + 2 * ::core::mem::size_of::<*const u8>())
.cast::<u8>(),
);
let l13 = i32::from(
*base
.add(9 + 2 * ::core::mem::size_of::<*const u8>())
.cast::<u8>(),
);
super::super::super::wasi::sockets::network::Ipv4SocketAddress {
port: l9 as u16,
address: (l10 as u8, l11 as u8, l12 as u8, l13 as u8),
}
};
V25::Ipv4(e25)
}
n => {
debug_assert_eq!(n, 1, "invalid enum discriminant");
let e25 = {
let l14 = i32::from(
*base
.add(4 + 2 * ::core::mem::size_of::<*const u8>())
.cast::<u16>(),
);
let l15 = *base
.add(8 + 2 * ::core::mem::size_of::<*const u8>())
.cast::<i32>();
let l16 = i32::from(
*base
.add(12 + 2 * ::core::mem::size_of::<*const u8>())
.cast::<u16>(),
);
let l17 = i32::from(
*base
.add(14 + 2 * ::core::mem::size_of::<*const u8>())
.cast::<u16>(),
);
let l18 = i32::from(
*base
.add(16 + 2 * ::core::mem::size_of::<*const u8>())
.cast::<u16>(),
);
let l19 = i32::from(
*base
.add(18 + 2 * ::core::mem::size_of::<*const u8>())
.cast::<u16>(),
);
let l20 = i32::from(
*base
.add(20 + 2 * ::core::mem::size_of::<*const u8>())
.cast::<u16>(),
);
let l21 = i32::from(
*base
.add(22 + 2 * ::core::mem::size_of::<*const u8>())
.cast::<u16>(),
);
let l22 = i32::from(
*base
.add(24 + 2 * ::core::mem::size_of::<*const u8>())
.cast::<u16>(),
);
let l23 = i32::from(
*base
.add(26 + 2 * ::core::mem::size_of::<*const u8>())
.cast::<u16>(),
);
let l24 = *base
.add(28 + 2 * ::core::mem::size_of::<*const u8>())
.cast::<i32>();
super::super::super::wasi::sockets::network::Ipv6SocketAddress {
port: l14 as u16,
flow_info: l15 as u32,
address: (
l16 as u16,
l17 as u16,
l18 as u16,
l19 as u16,
l20 as u16,
l21 as u16,
l22 as u16,
l23 as u16,
),
scope_id: l24 as u32,
}
};
V25::Ipv6(e25)
}
};
IncomingDatagram {
data: _rt::Vec::from_raw_parts(l5.cast(), len7, len7),
remote_address: v25,
}
};
result26.push(e26);
}
_rt::cabi_dealloc(
base26,
len26 * (32 + 2 * ::core::mem::size_of::<*const u8>()),
::core::mem::size_of::<*const u8>(),
);
result26
};
Ok(e)
}
1 => {
let e = {
let l27 = i32::from(
*ptr0.add(::core::mem::size_of::<*const u8>()).cast::<u8>(),
);
super::super::super::wasi::sockets::network::ErrorCode::_lift(
l27 as u8,
)
};
Err(e)
}
_ => _rt::invalid_enum_discriminant(),
};
result28
}
}
}
impl IncomingDatagramStream {
#[allow(unused_unsafe, clippy::all)]
/// Create a `pollable` which will resolve once the stream is ready to receive again.
///
/// Note: this function is here for WASI 0.2 only.
/// It's planned to be removed when `future` is natively supported in Preview3.
#[allow(async_fn_in_trait)]
pub fn subscribe(&self) -> Pollable {
unsafe {
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:sockets/udp@0.2.4")]
unsafe extern "C" {
#[link_name = "[method]incoming-datagram-stream.subscribe"]
fn wit_import0(_: i32) -> i32;
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import0(_: i32) -> i32 {
unreachable!()
}
let ret = wit_import0((self).handle() as i32);
super::super::super::wasi::io::poll::Pollable::from_handle(
ret as u32,
)
}
}
}
impl OutgoingDatagramStream {
#[allow(unused_unsafe, clippy::all)]
/// Check readiness for sending. This function never blocks.
///
/// Returns the number of datagrams permitted for the next call to `send`,
/// or an error. Calling `send` with more datagrams than this function has
/// permitted will trap.
///
/// When this function returns ok(0), the `subscribe` pollable will
/// become ready when this function will report at least ok(1), or an
/// error.
///
/// Never returns `would-block`.
#[allow(async_fn_in_trait)]
pub fn check_send(&self) -> Result<u64, ErrorCode> {
unsafe {
#[repr(align(8))]
struct RetArea([::core::mem::MaybeUninit<u8>; 16]);
let mut ret_area = RetArea(
[::core::mem::MaybeUninit::uninit(); 16],
);
let ptr0 = ret_area.0.as_mut_ptr().cast::<u8>();
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:sockets/udp@0.2.4")]
unsafe extern "C" {
#[link_name = "[method]outgoing-datagram-stream.check-send"]
fn wit_import1(_: i32, _: *mut u8);
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import1(_: i32, _: *mut u8) {
unreachable!()
}
wit_import1((self).handle() as i32, ptr0);
let l2 = i32::from(*ptr0.add(0).cast::<u8>());
let result5 = match l2 {
0 => {
let e = {
let l3 = *ptr0.add(8).cast::<i64>();
l3 as u64
};
Ok(e)
}
1 => {
let e = {
let l4 = i32::from(*ptr0.add(8).cast::<u8>());
super::super::super::wasi::sockets::network::ErrorCode::_lift(
l4 as u8,
)
};
Err(e)
}
_ => _rt::invalid_enum_discriminant(),
};
result5
}
}
}
impl OutgoingDatagramStream {
#[allow(unused_unsafe, clippy::all)]
/// Send messages on the socket.
///
/// This function attempts to send all provided `datagrams` on the socket without blocking and
/// returns how many messages were actually sent (or queued for sending). This function never
/// returns `error(would-block)`. If none of the datagrams were able to be sent, `ok(0)` is returned.
///
/// This function semantically behaves the same as iterating the `datagrams` list and sequentially
/// sending each individual datagram until either the end of the list has been reached or the first error occurred.
/// If at least one datagram has been sent successfully, this function never returns an error.
///
/// If the input list is empty, the function returns `ok(0)`.
///
/// Each call to `send` must be permitted by a preceding `check-send`. Implementations must trap if
/// either `check-send` was not called or `datagrams` contains more items than `check-send` permitted.
///
/// # Typical errors
/// - `invalid-argument`: The `remote-address` has the wrong address family. (EAFNOSUPPORT)
/// - `invalid-argument`: The IP address in `remote-address` is set to INADDR_ANY (`0.0.0.0` / `::`). (EDESTADDRREQ, EADDRNOTAVAIL)
/// - `invalid-argument`: The port in `remote-address` is set to 0. (EDESTADDRREQ, EADDRNOTAVAIL)
/// - `invalid-argument`: The socket is in "connected" mode and `remote-address` is `some` value that does not match the address passed to `stream`. (EISCONN)
/// - `invalid-argument`: The socket is not "connected" and no value for `remote-address` was provided. (EDESTADDRREQ)
/// - `remote-unreachable`: The remote address is not reachable. (ECONNRESET, ENETRESET on Windows, EHOSTUNREACH, EHOSTDOWN, ENETUNREACH, ENETDOWN, ENONET)
/// - `connection-refused`: The connection was refused. (ECONNREFUSED)
/// - `datagram-too-large`: The datagram is too large. (EMSGSIZE)
///
/// # References
/// - <https://pubs.opengroup.org/onlinepubs/9699919799/functions/sendto.html>
/// - <https://pubs.opengroup.org/onlinepubs/9699919799/functions/sendmsg.html>
/// - <https://man7.org/linux/man-pages/man2/send.2.html>
/// - <https://man7.org/linux/man-pages/man2/sendmmsg.2.html>
/// - <https://learn.microsoft.com/en-us/windows/win32/api/winsock2/nf-winsock2-send>
/// - <https://learn.microsoft.com/en-us/windows/win32/api/winsock2/nf-winsock2-sendto>
/// - <https://learn.microsoft.com/en-us/windows/win32/api/winsock2/nf-winsock2-wsasendmsg>
/// - <https://man.freebsd.org/cgi/man.cgi?query=send&sektion=2>
#[allow(async_fn_in_trait)]
pub fn send(
&self,
datagrams: &[OutgoingDatagram],
) -> Result<u64, ErrorCode> {
unsafe {
#[repr(align(8))]
struct RetArea([::core::mem::MaybeUninit<u8>; 16]);
let mut ret_area = RetArea(
[::core::mem::MaybeUninit::uninit(); 16],
);
let vec7 = datagrams;
let len7 = vec7.len();
let layout7 = _rt::alloc::Layout::from_size_align(
vec7.len() * (32 + 3 * ::core::mem::size_of::<*const u8>()),
::core::mem::size_of::<*const u8>(),
)
.unwrap();
let (result7, _cleanup7) = wit_bindgen::rt::Cleanup::new(
layout7,
);
for (i, e) in vec7.into_iter().enumerate() {
let base = result7
.add(i * (32 + 3 * ::core::mem::size_of::<*const u8>()));
{
let OutgoingDatagram {
data: data0,
remote_address: remote_address0,
} = e;
let vec1 = data0;
let ptr1 = vec1.as_ptr().cast::<u8>();
let len1 = vec1.len();
*base
.add(::core::mem::size_of::<*const u8>())
.cast::<usize>() = len1;
*base.add(0).cast::<*mut u8>() = ptr1.cast_mut();
match remote_address0 {
Some(e) => {
*base
.add(2 * ::core::mem::size_of::<*const u8>())
.cast::<u8>() = (1i32) as u8;
use super::super::super::wasi::sockets::network::IpSocketAddress as V6;
match e {
V6::Ipv4(e) => {
*base
.add(4 + 2 * ::core::mem::size_of::<*const u8>())
.cast::<u8>() = (0i32) as u8;
let super::super::super::wasi::sockets::network::Ipv4SocketAddress {
port: port2,
address: address2,
} = e;
*base
.add(8 + 2 * ::core::mem::size_of::<*const u8>())
.cast::<u16>() = (_rt::as_i32(port2)) as u16;
let (t3_0, t3_1, t3_2, t3_3) = address2;
*base
.add(10 + 2 * ::core::mem::size_of::<*const u8>())
.cast::<u8>() = (_rt::as_i32(t3_0)) as u8;
*base
.add(11 + 2 * ::core::mem::size_of::<*const u8>())
.cast::<u8>() = (_rt::as_i32(t3_1)) as u8;
*base
.add(12 + 2 * ::core::mem::size_of::<*const u8>())
.cast::<u8>() = (_rt::as_i32(t3_2)) as u8;
*base
.add(13 + 2 * ::core::mem::size_of::<*const u8>())
.cast::<u8>() = (_rt::as_i32(t3_3)) as u8;
}
V6::Ipv6(e) => {
*base
.add(4 + 2 * ::core::mem::size_of::<*const u8>())
.cast::<u8>() = (1i32) as u8;
let super::super::super::wasi::sockets::network::Ipv6SocketAddress {
port: port4,
flow_info: flow_info4,
address: address4,
scope_id: scope_id4,
} = e;
*base
.add(8 + 2 * ::core::mem::size_of::<*const u8>())
.cast::<u16>() = (_rt::as_i32(port4)) as u16;
*base
.add(12 + 2 * ::core::mem::size_of::<*const u8>())
.cast::<i32>() = _rt::as_i32(flow_info4);
let (t5_0, t5_1, t5_2, t5_3, t5_4, t5_5, t5_6, t5_7) = address4;
*base
.add(16 + 2 * ::core::mem::size_of::<*const u8>())
.cast::<u16>() = (_rt::as_i32(t5_0)) as u16;
*base
.add(18 + 2 * ::core::mem::size_of::<*const u8>())
.cast::<u16>() = (_rt::as_i32(t5_1)) as u16;
*base
.add(20 + 2 * ::core::mem::size_of::<*const u8>())
.cast::<u16>() = (_rt::as_i32(t5_2)) as u16;
*base
.add(22 + 2 * ::core::mem::size_of::<*const u8>())
.cast::<u16>() = (_rt::as_i32(t5_3)) as u16;
*base
.add(24 + 2 * ::core::mem::size_of::<*const u8>())
.cast::<u16>() = (_rt::as_i32(t5_4)) as u16;
*base
.add(26 + 2 * ::core::mem::size_of::<*const u8>())
.cast::<u16>() = (_rt::as_i32(t5_5)) as u16;
*base
.add(28 + 2 * ::core::mem::size_of::<*const u8>())
.cast::<u16>() = (_rt::as_i32(t5_6)) as u16;
*base
.add(30 + 2 * ::core::mem::size_of::<*const u8>())
.cast::<u16>() = (_rt::as_i32(t5_7)) as u16;
*base
.add(32 + 2 * ::core::mem::size_of::<*const u8>())
.cast::<i32>() = _rt::as_i32(scope_id4);
}
}
}
None => {
*base
.add(2 * ::core::mem::size_of::<*const u8>())
.cast::<u8>() = (0i32) as u8;
}
};
}
}
let ptr8 = ret_area.0.as_mut_ptr().cast::<u8>();
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:sockets/udp@0.2.4")]
unsafe extern "C" {
#[link_name = "[method]outgoing-datagram-stream.send"]
fn wit_import9(_: i32, _: *mut u8, _: usize, _: *mut u8);
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import9(
_: i32,
_: *mut u8,
_: usize,
_: *mut u8,
) {
unreachable!()
}
wit_import9((self).handle() as i32, result7, len7, ptr8);
let l10 = i32::from(*ptr8.add(0).cast::<u8>());
let result13 = match l10 {
0 => {
let e = {
let l11 = *ptr8.add(8).cast::<i64>();
l11 as u64
};
Ok(e)
}
1 => {
let e = {
let l12 = i32::from(*ptr8.add(8).cast::<u8>());
super::super::super::wasi::sockets::network::ErrorCode::_lift(
l12 as u8,
)
};
Err(e)
}
_ => _rt::invalid_enum_discriminant(),
};
result13
}
}
}
impl OutgoingDatagramStream {
#[allow(unused_unsafe, clippy::all)]
/// Create a `pollable` which will resolve once the stream is ready to send again.
///
/// Note: this function is here for WASI 0.2 only.
/// It's planned to be removed when `future` is natively supported in Preview3.
#[allow(async_fn_in_trait)]
pub fn subscribe(&self) -> Pollable {
unsafe {
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:sockets/udp@0.2.4")]
unsafe extern "C" {
#[link_name = "[method]outgoing-datagram-stream.subscribe"]
fn wit_import0(_: i32) -> i32;
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import0(_: i32) -> i32 {
unreachable!()
}
let ret = wit_import0((self).handle() as i32);
super::super::super::wasi::io::poll::Pollable::from_handle(
ret as u32,
)
}
}
}
}
#[allow(dead_code, async_fn_in_trait, unused_imports, clippy::all)]
pub mod udp_create_socket {
#[used]
#[doc(hidden)]
static __FORCE_SECTION_REF: fn() = super::super::super::__link_custom_section_describing_imports;
use super::super::super::_rt;
pub type ErrorCode = super::super::super::wasi::sockets::network::ErrorCode;
pub type IpAddressFamily = super::super::super::wasi::sockets::network::IpAddressFamily;
pub type UdpSocket = super::super::super::wasi::sockets::udp::UdpSocket;
#[allow(unused_unsafe, clippy::all)]
/// Create a new UDP socket.
///
/// Similar to `socket(AF_INET or AF_INET6, SOCK_DGRAM, IPPROTO_UDP)` in POSIX.
/// On IPv6 sockets, IPV6_V6ONLY is enabled by default and can't be configured otherwise.
///
/// This function does not require a network capability handle. This is considered to be safe because
/// at time of creation, the socket is not bound to any `network` yet. Up to the moment `bind` is called,
/// the socket is effectively an in-memory configuration object, unable to communicate with the outside world.
///
/// All sockets are non-blocking. Use the wasi-poll interface to block on asynchronous operations.
///
/// # Typical errors
/// - `not-supported`: The specified `address-family` is not supported. (EAFNOSUPPORT)
/// - `new-socket-limit`: The new socket resource could not be created because of a system limit. (EMFILE, ENFILE)
///
/// # References:
/// - <https://pubs.opengroup.org/onlinepubs/9699919799/functions/socket.html>
/// - <https://man7.org/linux/man-pages/man2/socket.2.html>
/// - <https://learn.microsoft.com/en-us/windows/win32/api/winsock2/nf-winsock2-wsasocketw>
/// - <https://man.freebsd.org/cgi/man.cgi?query=socket&sektion=2>
#[allow(async_fn_in_trait)]
pub fn create_udp_socket(
address_family: IpAddressFamily,
) -> Result<UdpSocket, ErrorCode> {
unsafe {
#[repr(align(4))]
struct RetArea([::core::mem::MaybeUninit<u8>; 8]);
let mut ret_area = RetArea([::core::mem::MaybeUninit::uninit(); 8]);
let ptr0 = ret_area.0.as_mut_ptr().cast::<u8>();
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:sockets/udp-create-socket@0.2.4")]
unsafe extern "C" {
#[link_name = "create-udp-socket"]
fn wit_import1(_: i32, _: *mut u8);
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import1(_: i32, _: *mut u8) {
unreachable!()
}
wit_import1(address_family.clone() as i32, ptr0);
let l2 = i32::from(*ptr0.add(0).cast::<u8>());
let result5 = match l2 {
0 => {
let e = {
let l3 = *ptr0.add(4).cast::<i32>();
super::super::super::wasi::sockets::udp::UdpSocket::from_handle(
l3 as u32,
)
};
Ok(e)
}
1 => {
let e = {
let l4 = i32::from(*ptr0.add(4).cast::<u8>());
super::super::super::wasi::sockets::network::ErrorCode::_lift(
l4 as u8,
)
};
Err(e)
}
_ => _rt::invalid_enum_discriminant(),
};
result5
}
}
}
#[allow(dead_code, async_fn_in_trait, unused_imports, clippy::all)]
pub mod tcp {
#[used]
#[doc(hidden)]
static __FORCE_SECTION_REF: fn() = super::super::super::__link_custom_section_describing_imports;
use super::super::super::_rt;
pub type InputStream = super::super::super::wasi::io::streams::InputStream;
pub type OutputStream = super::super::super::wasi::io::streams::OutputStream;
pub type Pollable = super::super::super::wasi::io::poll::Pollable;
pub type Duration = super::super::super::wasi::clocks::monotonic_clock::Duration;
pub type Network = super::super::super::wasi::sockets::network::Network;
pub type ErrorCode = super::super::super::wasi::sockets::network::ErrorCode;
pub type IpSocketAddress = super::super::super::wasi::sockets::network::IpSocketAddress;
pub type IpAddressFamily = super::super::super::wasi::sockets::network::IpAddressFamily;
#[repr(u8)]
#[derive(Clone, Copy, Eq, Ord, PartialEq, PartialOrd)]
pub enum ShutdownType {
/// Similar to `SHUT_RD` in POSIX.
Receive,
/// Similar to `SHUT_WR` in POSIX.
Send,
/// Similar to `SHUT_RDWR` in POSIX.
Both,
}
impl ::core::fmt::Debug for ShutdownType {
fn fmt(
&self,
f: &mut ::core::fmt::Formatter<'_>,
) -> ::core::fmt::Result {
match self {
ShutdownType::Receive => {
f.debug_tuple("ShutdownType::Receive").finish()
}
ShutdownType::Send => {
f.debug_tuple("ShutdownType::Send").finish()
}
ShutdownType::Both => {
f.debug_tuple("ShutdownType::Both").finish()
}
}
}
}
impl ShutdownType {
#[doc(hidden)]
pub unsafe fn _lift(val: u8) -> ShutdownType {
if !cfg!(debug_assertions) {
return unsafe { ::core::mem::transmute(val) };
}
match val {
0 => ShutdownType::Receive,
1 => ShutdownType::Send,
2 => ShutdownType::Both,
_ => panic!("invalid enum discriminant"),
}
}
}
/// A TCP socket resource.
///
/// The socket can be in one of the following states:
/// - `unbound`
/// - `bind-in-progress`
/// - `bound` (See note below)
/// - `listen-in-progress`
/// - `listening`
/// - `connect-in-progress`
/// - `connected`
/// - `closed`
/// See <https://github.com/WebAssembly/wasi-sockets/blob/main/TcpSocketOperationalSemantics.md>
/// for more information.
///
/// Note: Except where explicitly mentioned, whenever this documentation uses
/// the term "bound" without backticks it actually means: in the `bound` state *or higher*.
/// (i.e. `bound`, `listen-in-progress`, `listening`, `connect-in-progress` or `connected`)
///
/// In addition to the general error codes documented on the
/// `network::error-code` type, TCP socket methods may always return
/// `error(invalid-state)` when in the `closed` state.
#[derive(Debug)]
#[repr(transparent)]
pub struct TcpSocket {
handle: _rt::Resource<TcpSocket>,
}
impl TcpSocket {
#[doc(hidden)]
pub unsafe fn from_handle(handle: u32) -> Self {
Self {
handle: unsafe { _rt::Resource::from_handle(handle) },
}
}
#[doc(hidden)]
pub fn take_handle(&self) -> u32 {
_rt::Resource::take_handle(&self.handle)
}
#[doc(hidden)]
pub fn handle(&self) -> u32 {
_rt::Resource::handle(&self.handle)
}
}
unsafe impl _rt::WasmResource for TcpSocket {
#[inline]
unsafe fn drop(_handle: u32) {
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:sockets/tcp@0.2.4")]
unsafe extern "C" {
#[link_name = "[resource-drop]tcp-socket"]
fn drop(_: i32);
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn drop(_: i32) {
unreachable!()
}
unsafe {
drop(_handle as i32);
}
}
}
impl TcpSocket {
#[allow(unused_unsafe, clippy::all)]
/// Bind the socket to a specific network on the provided IP address and port.
///
/// If the IP address is zero (`0.0.0.0` in IPv4, `::` in IPv6), it is left to the implementation to decide which
/// network interface(s) to bind to.
/// If the TCP/UDP port is zero, the socket will be bound to a random free port.
///
/// Bind can be attempted multiple times on the same socket, even with
/// different arguments on each iteration. But never concurrently and
/// only as long as the previous bind failed. Once a bind succeeds, the
/// binding can't be changed anymore.
///
/// # Typical errors
/// - `invalid-argument`: The `local-address` has the wrong address family. (EAFNOSUPPORT, EFAULT on Windows)
/// - `invalid-argument`: `local-address` is not a unicast address. (EINVAL)
/// - `invalid-argument`: `local-address` is an IPv4-mapped IPv6 address. (EINVAL)
/// - `invalid-state`: The socket is already bound. (EINVAL)
/// - `address-in-use`: No ephemeral ports available. (EADDRINUSE, ENOBUFS on Windows)
/// - `address-in-use`: Address is already in use. (EADDRINUSE)
/// - `address-not-bindable`: `local-address` is not an address that the `network` can bind to. (EADDRNOTAVAIL)
/// - `not-in-progress`: A `bind` operation is not in progress.
/// - `would-block`: Can't finish the operation, it is still in progress. (EWOULDBLOCK, EAGAIN)
///
/// # Implementors note
/// When binding to a non-zero port, this bind operation shouldn't be affected by the TIME_WAIT
/// state of a recently closed socket on the same local address. In practice this means that the SO_REUSEADDR
/// socket option should be set implicitly on all platforms, except on Windows where this is the default behavior
/// and SO_REUSEADDR performs something different entirely.
///
/// Unlike in POSIX, in WASI the bind operation is async. This enables
/// interactive WASI hosts to inject permission prompts. Runtimes that
/// don't want to make use of this ability can simply call the native
/// `bind` as part of either `start-bind` or `finish-bind`.
///
/// # References
/// - <https://pubs.opengroup.org/onlinepubs/9699919799/functions/bind.html>
/// - <https://man7.org/linux/man-pages/man2/bind.2.html>
/// - <https://learn.microsoft.com/en-us/windows/win32/api/winsock/nf-winsock-bind>
/// - <https://man.freebsd.org/cgi/man.cgi?query=bind&sektion=2&format=html>
#[allow(async_fn_in_trait)]
pub fn start_bind(
&self,
network: &Network,
local_address: IpSocketAddress,
) -> Result<(), ErrorCode> {
unsafe {
#[repr(align(1))]
struct RetArea([::core::mem::MaybeUninit<u8>; 2]);
let mut ret_area = RetArea(
[::core::mem::MaybeUninit::uninit(); 2],
);
use super::super::super::wasi::sockets::network::IpSocketAddress as V4;
let (
result5_0,
result5_1,
result5_2,
result5_3,
result5_4,
result5_5,
result5_6,
result5_7,
result5_8,
result5_9,
result5_10,
result5_11,
) = match local_address {
V4::Ipv4(e) => {
let super::super::super::wasi::sockets::network::Ipv4SocketAddress {
port: port0,
address: address0,
} = e;
let (t1_0, t1_1, t1_2, t1_3) = address0;
(
0i32,
_rt::as_i32(port0),
_rt::as_i32(t1_0),
_rt::as_i32(t1_1),
_rt::as_i32(t1_2),
_rt::as_i32(t1_3),
0i32,
0i32,
0i32,
0i32,
0i32,
0i32,
)
}
V4::Ipv6(e) => {
let super::super::super::wasi::sockets::network::Ipv6SocketAddress {
port: port2,
flow_info: flow_info2,
address: address2,
scope_id: scope_id2,
} = e;
let (t3_0, t3_1, t3_2, t3_3, t3_4, t3_5, t3_6, t3_7) = address2;
(
1i32,
_rt::as_i32(port2),
_rt::as_i32(flow_info2),
_rt::as_i32(t3_0),
_rt::as_i32(t3_1),
_rt::as_i32(t3_2),
_rt::as_i32(t3_3),
_rt::as_i32(t3_4),
_rt::as_i32(t3_5),
_rt::as_i32(t3_6),
_rt::as_i32(t3_7),
_rt::as_i32(scope_id2),
)
}
};
let ptr6 = ret_area.0.as_mut_ptr().cast::<u8>();
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:sockets/tcp@0.2.4")]
unsafe extern "C" {
#[link_name = "[method]tcp-socket.start-bind"]
fn wit_import7(
_: i32,
_: i32,
_: i32,
_: i32,
_: i32,
_: i32,
_: i32,
_: i32,
_: i32,
_: i32,
_: i32,
_: i32,
_: i32,
_: i32,
_: *mut u8,
);
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import7(
_: i32,
_: i32,
_: i32,
_: i32,
_: i32,
_: i32,
_: i32,
_: i32,
_: i32,
_: i32,
_: i32,
_: i32,
_: i32,
_: i32,
_: *mut u8,
) {
unreachable!()
}
wit_import7(
(self).handle() as i32,
(network).handle() as i32,
result5_0,
result5_1,
result5_2,
result5_3,
result5_4,
result5_5,
result5_6,
result5_7,
result5_8,
result5_9,
result5_10,
result5_11,
ptr6,
);
let l8 = i32::from(*ptr6.add(0).cast::<u8>());
let result10 = match l8 {
0 => {
let e = ();
Ok(e)
}
1 => {
let e = {
let l9 = i32::from(*ptr6.add(1).cast::<u8>());
super::super::super::wasi::sockets::network::ErrorCode::_lift(
l9 as u8,
)
};
Err(e)
}
_ => _rt::invalid_enum_discriminant(),
};
result10
}
}
}
impl TcpSocket {
#[allow(unused_unsafe, clippy::all)]
#[allow(async_fn_in_trait)]
pub fn finish_bind(&self) -> Result<(), ErrorCode> {
unsafe {
#[repr(align(1))]
struct RetArea([::core::mem::MaybeUninit<u8>; 2]);
let mut ret_area = RetArea(
[::core::mem::MaybeUninit::uninit(); 2],
);
let ptr0 = ret_area.0.as_mut_ptr().cast::<u8>();
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:sockets/tcp@0.2.4")]
unsafe extern "C" {
#[link_name = "[method]tcp-socket.finish-bind"]
fn wit_import1(_: i32, _: *mut u8);
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import1(_: i32, _: *mut u8) {
unreachable!()
}
wit_import1((self).handle() as i32, ptr0);
let l2 = i32::from(*ptr0.add(0).cast::<u8>());
let result4 = match l2 {
0 => {
let e = ();
Ok(e)
}
1 => {
let e = {
let l3 = i32::from(*ptr0.add(1).cast::<u8>());
super::super::super::wasi::sockets::network::ErrorCode::_lift(
l3 as u8,
)
};
Err(e)
}
_ => _rt::invalid_enum_discriminant(),
};
result4
}
}
}
impl TcpSocket {
#[allow(unused_unsafe, clippy::all)]
/// Connect to a remote endpoint.
///
/// On success:
/// - the socket is transitioned into the `connected` state.
/// - a pair of streams is returned that can be used to read & write to the connection
///
/// After a failed connection attempt, the socket will be in the `closed`
/// state and the only valid action left is to `drop` the socket. A single
/// socket can not be used to connect more than once.
///
/// # Typical errors
/// - `invalid-argument`: The `remote-address` has the wrong address family. (EAFNOSUPPORT)
/// - `invalid-argument`: `remote-address` is not a unicast address. (EINVAL, ENETUNREACH on Linux, EAFNOSUPPORT on MacOS)
/// - `invalid-argument`: `remote-address` is an IPv4-mapped IPv6 address. (EINVAL, EADDRNOTAVAIL on Illumos)
/// - `invalid-argument`: The IP address in `remote-address` is set to INADDR_ANY (`0.0.0.0` / `::`). (EADDRNOTAVAIL on Windows)
/// - `invalid-argument`: The port in `remote-address` is set to 0. (EADDRNOTAVAIL on Windows)
/// - `invalid-argument`: The socket is already attached to a different network. The `network` passed to `connect` must be identical to the one passed to `bind`.
/// - `invalid-state`: The socket is already in the `connected` state. (EISCONN)
/// - `invalid-state`: The socket is already in the `listening` state. (EOPNOTSUPP, EINVAL on Windows)
/// - `timeout`: Connection timed out. (ETIMEDOUT)
/// - `connection-refused`: The connection was forcefully rejected. (ECONNREFUSED)
/// - `connection-reset`: The connection was reset. (ECONNRESET)
/// - `connection-aborted`: The connection was aborted. (ECONNABORTED)
/// - `remote-unreachable`: The remote address is not reachable. (EHOSTUNREACH, EHOSTDOWN, ENETUNREACH, ENETDOWN, ENONET)
/// - `address-in-use`: Tried to perform an implicit bind, but there were no ephemeral ports available. (EADDRINUSE, EADDRNOTAVAIL on Linux, EAGAIN on BSD)
/// - `not-in-progress`: A connect operation is not in progress.
/// - `would-block`: Can't finish the operation, it is still in progress. (EWOULDBLOCK, EAGAIN)
///
/// # Implementors note
/// The POSIX equivalent of `start-connect` is the regular `connect` syscall.
/// Because all WASI sockets are non-blocking this is expected to return
/// EINPROGRESS, which should be translated to `ok()` in WASI.
///
/// The POSIX equivalent of `finish-connect` is a `poll` for event `POLLOUT`
/// with a timeout of 0 on the socket descriptor. Followed by a check for
/// the `SO_ERROR` socket option, in case the poll signaled readiness.
///
/// # References
/// - <https://pubs.opengroup.org/onlinepubs/9699919799/functions/connect.html>
/// - <https://man7.org/linux/man-pages/man2/connect.2.html>
/// - <https://learn.microsoft.com/en-us/windows/win32/api/winsock2/nf-winsock2-connect>
/// - <https://man.freebsd.org/cgi/man.cgi?connect>
#[allow(async_fn_in_trait)]
pub fn start_connect(
&self,
network: &Network,
remote_address: IpSocketAddress,
) -> Result<(), ErrorCode> {
unsafe {
#[repr(align(1))]
struct RetArea([::core::mem::MaybeUninit<u8>; 2]);
let mut ret_area = RetArea(
[::core::mem::MaybeUninit::uninit(); 2],
);
use super::super::super::wasi::sockets::network::IpSocketAddress as V4;
let (
result5_0,
result5_1,
result5_2,
result5_3,
result5_4,
result5_5,
result5_6,
result5_7,
result5_8,
result5_9,
result5_10,
result5_11,
) = match remote_address {
V4::Ipv4(e) => {
let super::super::super::wasi::sockets::network::Ipv4SocketAddress {
port: port0,
address: address0,
} = e;
let (t1_0, t1_1, t1_2, t1_3) = address0;
(
0i32,
_rt::as_i32(port0),
_rt::as_i32(t1_0),
_rt::as_i32(t1_1),
_rt::as_i32(t1_2),
_rt::as_i32(t1_3),
0i32,
0i32,
0i32,
0i32,
0i32,
0i32,
)
}
V4::Ipv6(e) => {
let super::super::super::wasi::sockets::network::Ipv6SocketAddress {
port: port2,
flow_info: flow_info2,
address: address2,
scope_id: scope_id2,
} = e;
let (t3_0, t3_1, t3_2, t3_3, t3_4, t3_5, t3_6, t3_7) = address2;
(
1i32,
_rt::as_i32(port2),
_rt::as_i32(flow_info2),
_rt::as_i32(t3_0),
_rt::as_i32(t3_1),
_rt::as_i32(t3_2),
_rt::as_i32(t3_3),
_rt::as_i32(t3_4),
_rt::as_i32(t3_5),
_rt::as_i32(t3_6),
_rt::as_i32(t3_7),
_rt::as_i32(scope_id2),
)
}
};
let ptr6 = ret_area.0.as_mut_ptr().cast::<u8>();
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:sockets/tcp@0.2.4")]
unsafe extern "C" {
#[link_name = "[method]tcp-socket.start-connect"]
fn wit_import7(
_: i32,
_: i32,
_: i32,
_: i32,
_: i32,
_: i32,
_: i32,
_: i32,
_: i32,
_: i32,
_: i32,
_: i32,
_: i32,
_: i32,
_: *mut u8,
);
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import7(
_: i32,
_: i32,
_: i32,
_: i32,
_: i32,
_: i32,
_: i32,
_: i32,
_: i32,
_: i32,
_: i32,
_: i32,
_: i32,
_: i32,
_: *mut u8,
) {
unreachable!()
}
wit_import7(
(self).handle() as i32,
(network).handle() as i32,
result5_0,
result5_1,
result5_2,
result5_3,
result5_4,
result5_5,
result5_6,
result5_7,
result5_8,
result5_9,
result5_10,
result5_11,
ptr6,
);
let l8 = i32::from(*ptr6.add(0).cast::<u8>());
let result10 = match l8 {
0 => {
let e = ();
Ok(e)
}
1 => {
let e = {
let l9 = i32::from(*ptr6.add(1).cast::<u8>());
super::super::super::wasi::sockets::network::ErrorCode::_lift(
l9 as u8,
)
};
Err(e)
}
_ => _rt::invalid_enum_discriminant(),
};
result10
}
}
}
impl TcpSocket {
#[allow(unused_unsafe, clippy::all)]
#[allow(async_fn_in_trait)]
pub fn finish_connect(
&self,
) -> Result<(InputStream, OutputStream), ErrorCode> {
unsafe {
#[repr(align(4))]
struct RetArea([::core::mem::MaybeUninit<u8>; 12]);
let mut ret_area = RetArea(
[::core::mem::MaybeUninit::uninit(); 12],
);
let ptr0 = ret_area.0.as_mut_ptr().cast::<u8>();
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:sockets/tcp@0.2.4")]
unsafe extern "C" {
#[link_name = "[method]tcp-socket.finish-connect"]
fn wit_import1(_: i32, _: *mut u8);
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import1(_: i32, _: *mut u8) {
unreachable!()
}
wit_import1((self).handle() as i32, ptr0);
let l2 = i32::from(*ptr0.add(0).cast::<u8>());
let result6 = match l2 {
0 => {
let e = {
let l3 = *ptr0.add(4).cast::<i32>();
let l4 = *ptr0.add(8).cast::<i32>();
(
super::super::super::wasi::io::streams::InputStream::from_handle(
l3 as u32,
),
super::super::super::wasi::io::streams::OutputStream::from_handle(
l4 as u32,
),
)
};
Ok(e)
}
1 => {
let e = {
let l5 = i32::from(*ptr0.add(4).cast::<u8>());
super::super::super::wasi::sockets::network::ErrorCode::_lift(
l5 as u8,
)
};
Err(e)
}
_ => _rt::invalid_enum_discriminant(),
};
result6
}
}
}
impl TcpSocket {
#[allow(unused_unsafe, clippy::all)]
/// Start listening for new connections.
///
/// Transitions the socket into the `listening` state.
///
/// Unlike POSIX, the socket must already be explicitly bound.
///
/// # Typical errors
/// - `invalid-state`: The socket is not bound to any local address. (EDESTADDRREQ)
/// - `invalid-state`: The socket is already in the `connected` state. (EISCONN, EINVAL on BSD)
/// - `invalid-state`: The socket is already in the `listening` state.
/// - `address-in-use`: Tried to perform an implicit bind, but there were no ephemeral ports available. (EADDRINUSE)
/// - `not-in-progress`: A listen operation is not in progress.
/// - `would-block`: Can't finish the operation, it is still in progress. (EWOULDBLOCK, EAGAIN)
///
/// # Implementors note
/// Unlike in POSIX, in WASI the listen operation is async. This enables
/// interactive WASI hosts to inject permission prompts. Runtimes that
/// don't want to make use of this ability can simply call the native
/// `listen` as part of either `start-listen` or `finish-listen`.
///
/// # References
/// - <https://pubs.opengroup.org/onlinepubs/9699919799/functions/listen.html>
/// - <https://man7.org/linux/man-pages/man2/listen.2.html>
/// - <https://learn.microsoft.com/en-us/windows/win32/api/winsock2/nf-winsock2-listen>
/// - <https://man.freebsd.org/cgi/man.cgi?query=listen&sektion=2>
#[allow(async_fn_in_trait)]
pub fn start_listen(&self) -> Result<(), ErrorCode> {
unsafe {
#[repr(align(1))]
struct RetArea([::core::mem::MaybeUninit<u8>; 2]);
let mut ret_area = RetArea(
[::core::mem::MaybeUninit::uninit(); 2],
);
let ptr0 = ret_area.0.as_mut_ptr().cast::<u8>();
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:sockets/tcp@0.2.4")]
unsafe extern "C" {
#[link_name = "[method]tcp-socket.start-listen"]
fn wit_import1(_: i32, _: *mut u8);
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import1(_: i32, _: *mut u8) {
unreachable!()
}
wit_import1((self).handle() as i32, ptr0);
let l2 = i32::from(*ptr0.add(0).cast::<u8>());
let result4 = match l2 {
0 => {
let e = ();
Ok(e)
}
1 => {
let e = {
let l3 = i32::from(*ptr0.add(1).cast::<u8>());
super::super::super::wasi::sockets::network::ErrorCode::_lift(
l3 as u8,
)
};
Err(e)
}
_ => _rt::invalid_enum_discriminant(),
};
result4
}
}
}
impl TcpSocket {
#[allow(unused_unsafe, clippy::all)]
#[allow(async_fn_in_trait)]
pub fn finish_listen(&self) -> Result<(), ErrorCode> {
unsafe {
#[repr(align(1))]
struct RetArea([::core::mem::MaybeUninit<u8>; 2]);
let mut ret_area = RetArea(
[::core::mem::MaybeUninit::uninit(); 2],
);
let ptr0 = ret_area.0.as_mut_ptr().cast::<u8>();
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:sockets/tcp@0.2.4")]
unsafe extern "C" {
#[link_name = "[method]tcp-socket.finish-listen"]
fn wit_import1(_: i32, _: *mut u8);
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import1(_: i32, _: *mut u8) {
unreachable!()
}
wit_import1((self).handle() as i32, ptr0);
let l2 = i32::from(*ptr0.add(0).cast::<u8>());
let result4 = match l2 {
0 => {
let e = ();
Ok(e)
}
1 => {
let e = {
let l3 = i32::from(*ptr0.add(1).cast::<u8>());
super::super::super::wasi::sockets::network::ErrorCode::_lift(
l3 as u8,
)
};
Err(e)
}
_ => _rt::invalid_enum_discriminant(),
};
result4
}
}
}
impl TcpSocket {
#[allow(unused_unsafe, clippy::all)]
/// Accept a new client socket.
///
/// The returned socket is bound and in the `connected` state. The following properties are inherited from the listener socket:
/// - `address-family`
/// - `keep-alive-enabled`
/// - `keep-alive-idle-time`
/// - `keep-alive-interval`
/// - `keep-alive-count`
/// - `hop-limit`
/// - `receive-buffer-size`
/// - `send-buffer-size`
///
/// On success, this function returns the newly accepted client socket along with
/// a pair of streams that can be used to read & write to the connection.
///
/// # Typical errors
/// - `invalid-state`: Socket is not in the `listening` state. (EINVAL)
/// - `would-block`: No pending connections at the moment. (EWOULDBLOCK, EAGAIN)
/// - `connection-aborted`: An incoming connection was pending, but was terminated by the client before this listener could accept it. (ECONNABORTED)
/// - `new-socket-limit`: The new socket resource could not be created because of a system limit. (EMFILE, ENFILE)
///
/// # References
/// - <https://pubs.opengroup.org/onlinepubs/9699919799/functions/accept.html>
/// - <https://man7.org/linux/man-pages/man2/accept.2.html>
/// - <https://learn.microsoft.com/en-us/windows/win32/api/winsock2/nf-winsock2-accept>
/// - <https://man.freebsd.org/cgi/man.cgi?query=accept&sektion=2>
#[allow(async_fn_in_trait)]
pub fn accept(
&self,
) -> Result<(TcpSocket, InputStream, OutputStream), ErrorCode> {
unsafe {
#[repr(align(4))]
struct RetArea([::core::mem::MaybeUninit<u8>; 16]);
let mut ret_area = RetArea(
[::core::mem::MaybeUninit::uninit(); 16],
);
let ptr0 = ret_area.0.as_mut_ptr().cast::<u8>();
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:sockets/tcp@0.2.4")]
unsafe extern "C" {
#[link_name = "[method]tcp-socket.accept"]
fn wit_import1(_: i32, _: *mut u8);
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import1(_: i32, _: *mut u8) {
unreachable!()
}
wit_import1((self).handle() as i32, ptr0);
let l2 = i32::from(*ptr0.add(0).cast::<u8>());
let result7 = match l2 {
0 => {
let e = {
let l3 = *ptr0.add(4).cast::<i32>();
let l4 = *ptr0.add(8).cast::<i32>();
let l5 = *ptr0.add(12).cast::<i32>();
(
TcpSocket::from_handle(l3 as u32),
super::super::super::wasi::io::streams::InputStream::from_handle(
l4 as u32,
),
super::super::super::wasi::io::streams::OutputStream::from_handle(
l5 as u32,
),
)
};
Ok(e)
}
1 => {
let e = {
let l6 = i32::from(*ptr0.add(4).cast::<u8>());
super::super::super::wasi::sockets::network::ErrorCode::_lift(
l6 as u8,
)
};
Err(e)
}
_ => _rt::invalid_enum_discriminant(),
};
result7
}
}
}
impl TcpSocket {
#[allow(unused_unsafe, clippy::all)]
/// Get the bound local address.
///
/// POSIX mentions:
/// > If the socket has not been bound to a local name, the value
/// > stored in the object pointed to by `address` is unspecified.
///
/// WASI is stricter and requires `local-address` to return `invalid-state` when the socket hasn't been bound yet.
///
/// # Typical errors
/// - `invalid-state`: The socket is not bound to any local address.
///
/// # References
/// - <https://pubs.opengroup.org/onlinepubs/9699919799/functions/getsockname.html>
/// - <https://man7.org/linux/man-pages/man2/getsockname.2.html>
/// - <https://learn.microsoft.com/en-us/windows/win32/api/winsock/nf-winsock-getsockname>
/// - <https://man.freebsd.org/cgi/man.cgi?getsockname>
#[allow(async_fn_in_trait)]
pub fn local_address(&self) -> Result<IpSocketAddress, ErrorCode> {
unsafe {
#[repr(align(4))]
struct RetArea([::core::mem::MaybeUninit<u8>; 36]);
let mut ret_area = RetArea(
[::core::mem::MaybeUninit::uninit(); 36],
);
let ptr0 = ret_area.0.as_mut_ptr().cast::<u8>();
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:sockets/tcp@0.2.4")]
unsafe extern "C" {
#[link_name = "[method]tcp-socket.local-address"]
fn wit_import1(_: i32, _: *mut u8);
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import1(_: i32, _: *mut u8) {
unreachable!()
}
wit_import1((self).handle() as i32, ptr0);
let l2 = i32::from(*ptr0.add(0).cast::<u8>());
let result22 = match l2 {
0 => {
let e = {
let l3 = i32::from(*ptr0.add(4).cast::<u8>());
use super::super::super::wasi::sockets::network::IpSocketAddress as V20;
let v20 = match l3 {
0 => {
let e20 = {
let l4 = i32::from(*ptr0.add(8).cast::<u16>());
let l5 = i32::from(*ptr0.add(10).cast::<u8>());
let l6 = i32::from(*ptr0.add(11).cast::<u8>());
let l7 = i32::from(*ptr0.add(12).cast::<u8>());
let l8 = i32::from(*ptr0.add(13).cast::<u8>());
super::super::super::wasi::sockets::network::Ipv4SocketAddress {
port: l4 as u16,
address: (l5 as u8, l6 as u8, l7 as u8, l8 as u8),
}
};
V20::Ipv4(e20)
}
n => {
debug_assert_eq!(n, 1, "invalid enum discriminant");
let e20 = {
let l9 = i32::from(*ptr0.add(8).cast::<u16>());
let l10 = *ptr0.add(12).cast::<i32>();
let l11 = i32::from(*ptr0.add(16).cast::<u16>());
let l12 = i32::from(*ptr0.add(18).cast::<u16>());
let l13 = i32::from(*ptr0.add(20).cast::<u16>());
let l14 = i32::from(*ptr0.add(22).cast::<u16>());
let l15 = i32::from(*ptr0.add(24).cast::<u16>());
let l16 = i32::from(*ptr0.add(26).cast::<u16>());
let l17 = i32::from(*ptr0.add(28).cast::<u16>());
let l18 = i32::from(*ptr0.add(30).cast::<u16>());
let l19 = *ptr0.add(32).cast::<i32>();
super::super::super::wasi::sockets::network::Ipv6SocketAddress {
port: l9 as u16,
flow_info: l10 as u32,
address: (
l11 as u16,
l12 as u16,
l13 as u16,
l14 as u16,
l15 as u16,
l16 as u16,
l17 as u16,
l18 as u16,
),
scope_id: l19 as u32,
}
};
V20::Ipv6(e20)
}
};
v20
};
Ok(e)
}
1 => {
let e = {
let l21 = i32::from(*ptr0.add(4).cast::<u8>());
super::super::super::wasi::sockets::network::ErrorCode::_lift(
l21 as u8,
)
};
Err(e)
}
_ => _rt::invalid_enum_discriminant(),
};
result22
}
}
}
impl TcpSocket {
#[allow(unused_unsafe, clippy::all)]
/// Get the remote address.
///
/// # Typical errors
/// - `invalid-state`: The socket is not connected to a remote address. (ENOTCONN)
///
/// # References
/// - <https://pubs.opengroup.org/onlinepubs/9699919799/functions/getpeername.html>
/// - <https://man7.org/linux/man-pages/man2/getpeername.2.html>
/// - <https://learn.microsoft.com/en-us/windows/win32/api/winsock/nf-winsock-getpeername>
/// - <https://man.freebsd.org/cgi/man.cgi?query=getpeername&sektion=2&n=1>
#[allow(async_fn_in_trait)]
pub fn remote_address(&self) -> Result<IpSocketAddress, ErrorCode> {
unsafe {
#[repr(align(4))]
struct RetArea([::core::mem::MaybeUninit<u8>; 36]);
let mut ret_area = RetArea(
[::core::mem::MaybeUninit::uninit(); 36],
);
let ptr0 = ret_area.0.as_mut_ptr().cast::<u8>();
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:sockets/tcp@0.2.4")]
unsafe extern "C" {
#[link_name = "[method]tcp-socket.remote-address"]
fn wit_import1(_: i32, _: *mut u8);
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import1(_: i32, _: *mut u8) {
unreachable!()
}
wit_import1((self).handle() as i32, ptr0);
let l2 = i32::from(*ptr0.add(0).cast::<u8>());
let result22 = match l2 {
0 => {
let e = {
let l3 = i32::from(*ptr0.add(4).cast::<u8>());
use super::super::super::wasi::sockets::network::IpSocketAddress as V20;
let v20 = match l3 {
0 => {
let e20 = {
let l4 = i32::from(*ptr0.add(8).cast::<u16>());
let l5 = i32::from(*ptr0.add(10).cast::<u8>());
let l6 = i32::from(*ptr0.add(11).cast::<u8>());
let l7 = i32::from(*ptr0.add(12).cast::<u8>());
let l8 = i32::from(*ptr0.add(13).cast::<u8>());
super::super::super::wasi::sockets::network::Ipv4SocketAddress {
port: l4 as u16,
address: (l5 as u8, l6 as u8, l7 as u8, l8 as u8),
}
};
V20::Ipv4(e20)
}
n => {
debug_assert_eq!(n, 1, "invalid enum discriminant");
let e20 = {
let l9 = i32::from(*ptr0.add(8).cast::<u16>());
let l10 = *ptr0.add(12).cast::<i32>();
let l11 = i32::from(*ptr0.add(16).cast::<u16>());
let l12 = i32::from(*ptr0.add(18).cast::<u16>());
let l13 = i32::from(*ptr0.add(20).cast::<u16>());
let l14 = i32::from(*ptr0.add(22).cast::<u16>());
let l15 = i32::from(*ptr0.add(24).cast::<u16>());
let l16 = i32::from(*ptr0.add(26).cast::<u16>());
let l17 = i32::from(*ptr0.add(28).cast::<u16>());
let l18 = i32::from(*ptr0.add(30).cast::<u16>());
let l19 = *ptr0.add(32).cast::<i32>();
super::super::super::wasi::sockets::network::Ipv6SocketAddress {
port: l9 as u16,
flow_info: l10 as u32,
address: (
l11 as u16,
l12 as u16,
l13 as u16,
l14 as u16,
l15 as u16,
l16 as u16,
l17 as u16,
l18 as u16,
),
scope_id: l19 as u32,
}
};
V20::Ipv6(e20)
}
};
v20
};
Ok(e)
}
1 => {
let e = {
let l21 = i32::from(*ptr0.add(4).cast::<u8>());
super::super::super::wasi::sockets::network::ErrorCode::_lift(
l21 as u8,
)
};
Err(e)
}
_ => _rt::invalid_enum_discriminant(),
};
result22
}
}
}
impl TcpSocket {
#[allow(unused_unsafe, clippy::all)]
/// Whether the socket is in the `listening` state.
///
/// Equivalent to the SO_ACCEPTCONN socket option.
#[allow(async_fn_in_trait)]
pub fn is_listening(&self) -> bool {
unsafe {
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:sockets/tcp@0.2.4")]
unsafe extern "C" {
#[link_name = "[method]tcp-socket.is-listening"]
fn wit_import0(_: i32) -> i32;
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import0(_: i32) -> i32 {
unreachable!()
}
let ret = wit_import0((self).handle() as i32);
_rt::bool_lift(ret as u8)
}
}
}
impl TcpSocket {
#[allow(unused_unsafe, clippy::all)]
/// Whether this is a IPv4 or IPv6 socket.
///
/// Equivalent to the SO_DOMAIN socket option.
#[allow(async_fn_in_trait)]
pub fn address_family(&self) -> IpAddressFamily {
unsafe {
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:sockets/tcp@0.2.4")]
unsafe extern "C" {
#[link_name = "[method]tcp-socket.address-family"]
fn wit_import0(_: i32) -> i32;
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import0(_: i32) -> i32 {
unreachable!()
}
let ret = wit_import0((self).handle() as i32);
super::super::super::wasi::sockets::network::IpAddressFamily::_lift(
ret as u8,
)
}
}
}
impl TcpSocket {
#[allow(unused_unsafe, clippy::all)]
/// Hints the desired listen queue size. Implementations are free to ignore this.
///
/// If the provided value is 0, an `invalid-argument` error is returned.
/// Any other value will never cause an error, but it might be silently clamped and/or rounded.
///
/// # Typical errors
/// - `not-supported`: (set) The platform does not support changing the backlog size after the initial listen.
/// - `invalid-argument`: (set) The provided value was 0.
/// - `invalid-state`: (set) The socket is in the `connect-in-progress` or `connected` state.
#[allow(async_fn_in_trait)]
pub fn set_listen_backlog_size(
&self,
value: u64,
) -> Result<(), ErrorCode> {
unsafe {
#[repr(align(1))]
struct RetArea([::core::mem::MaybeUninit<u8>; 2]);
let mut ret_area = RetArea(
[::core::mem::MaybeUninit::uninit(); 2],
);
let ptr0 = ret_area.0.as_mut_ptr().cast::<u8>();
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:sockets/tcp@0.2.4")]
unsafe extern "C" {
#[link_name = "[method]tcp-socket.set-listen-backlog-size"]
fn wit_import1(_: i32, _: i64, _: *mut u8);
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import1(_: i32, _: i64, _: *mut u8) {
unreachable!()
}
wit_import1((self).handle() as i32, _rt::as_i64(&value), ptr0);
let l2 = i32::from(*ptr0.add(0).cast::<u8>());
let result4 = match l2 {
0 => {
let e = ();
Ok(e)
}
1 => {
let e = {
let l3 = i32::from(*ptr0.add(1).cast::<u8>());
super::super::super::wasi::sockets::network::ErrorCode::_lift(
l3 as u8,
)
};
Err(e)
}
_ => _rt::invalid_enum_discriminant(),
};
result4
}
}
}
impl TcpSocket {
#[allow(unused_unsafe, clippy::all)]
/// Enables or disables keepalive.
///
/// The keepalive behavior can be adjusted using:
/// - `keep-alive-idle-time`
/// - `keep-alive-interval`
/// - `keep-alive-count`
/// These properties can be configured while `keep-alive-enabled` is false, but only come into effect when `keep-alive-enabled` is true.
///
/// Equivalent to the SO_KEEPALIVE socket option.
#[allow(async_fn_in_trait)]
pub fn keep_alive_enabled(&self) -> Result<bool, ErrorCode> {
unsafe {
#[repr(align(1))]
struct RetArea([::core::mem::MaybeUninit<u8>; 2]);
let mut ret_area = RetArea(
[::core::mem::MaybeUninit::uninit(); 2],
);
let ptr0 = ret_area.0.as_mut_ptr().cast::<u8>();
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:sockets/tcp@0.2.4")]
unsafe extern "C" {
#[link_name = "[method]tcp-socket.keep-alive-enabled"]
fn wit_import1(_: i32, _: *mut u8);
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import1(_: i32, _: *mut u8) {
unreachable!()
}
wit_import1((self).handle() as i32, ptr0);
let l2 = i32::from(*ptr0.add(0).cast::<u8>());
let result5 = match l2 {
0 => {
let e = {
let l3 = i32::from(*ptr0.add(1).cast::<u8>());
_rt::bool_lift(l3 as u8)
};
Ok(e)
}
1 => {
let e = {
let l4 = i32::from(*ptr0.add(1).cast::<u8>());
super::super::super::wasi::sockets::network::ErrorCode::_lift(
l4 as u8,
)
};
Err(e)
}
_ => _rt::invalid_enum_discriminant(),
};
result5
}
}
}
impl TcpSocket {
#[allow(unused_unsafe, clippy::all)]
#[allow(async_fn_in_trait)]
pub fn set_keep_alive_enabled(
&self,
value: bool,
) -> Result<(), ErrorCode> {
unsafe {
#[repr(align(1))]
struct RetArea([::core::mem::MaybeUninit<u8>; 2]);
let mut ret_area = RetArea(
[::core::mem::MaybeUninit::uninit(); 2],
);
let ptr0 = ret_area.0.as_mut_ptr().cast::<u8>();
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:sockets/tcp@0.2.4")]
unsafe extern "C" {
#[link_name = "[method]tcp-socket.set-keep-alive-enabled"]
fn wit_import1(_: i32, _: i32, _: *mut u8);
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import1(_: i32, _: i32, _: *mut u8) {
unreachable!()
}
wit_import1(
(self).handle() as i32,
match &value {
true => 1,
false => 0,
},
ptr0,
);
let l2 = i32::from(*ptr0.add(0).cast::<u8>());
let result4 = match l2 {
0 => {
let e = ();
Ok(e)
}
1 => {
let e = {
let l3 = i32::from(*ptr0.add(1).cast::<u8>());
super::super::super::wasi::sockets::network::ErrorCode::_lift(
l3 as u8,
)
};
Err(e)
}
_ => _rt::invalid_enum_discriminant(),
};
result4
}
}
}
impl TcpSocket {
#[allow(unused_unsafe, clippy::all)]
/// Amount of time the connection has to be idle before TCP starts sending keepalive packets.
///
/// If the provided value is 0, an `invalid-argument` error is returned.
/// Any other value will never cause an error, but it might be silently clamped and/or rounded.
/// I.e. after setting a value, reading the same setting back may return a different value.
///
/// Equivalent to the TCP_KEEPIDLE socket option. (TCP_KEEPALIVE on MacOS)
///
/// # Typical errors
/// - `invalid-argument`: (set) The provided value was 0.
#[allow(async_fn_in_trait)]
pub fn keep_alive_idle_time(&self) -> Result<Duration, ErrorCode> {
unsafe {
#[repr(align(8))]
struct RetArea([::core::mem::MaybeUninit<u8>; 16]);
let mut ret_area = RetArea(
[::core::mem::MaybeUninit::uninit(); 16],
);
let ptr0 = ret_area.0.as_mut_ptr().cast::<u8>();
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:sockets/tcp@0.2.4")]
unsafe extern "C" {
#[link_name = "[method]tcp-socket.keep-alive-idle-time"]
fn wit_import1(_: i32, _: *mut u8);
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import1(_: i32, _: *mut u8) {
unreachable!()
}
wit_import1((self).handle() as i32, ptr0);
let l2 = i32::from(*ptr0.add(0).cast::<u8>());
let result5 = match l2 {
0 => {
let e = {
let l3 = *ptr0.add(8).cast::<i64>();
l3 as u64
};
Ok(e)
}
1 => {
let e = {
let l4 = i32::from(*ptr0.add(8).cast::<u8>());
super::super::super::wasi::sockets::network::ErrorCode::_lift(
l4 as u8,
)
};
Err(e)
}
_ => _rt::invalid_enum_discriminant(),
};
result5
}
}
}
impl TcpSocket {
#[allow(unused_unsafe, clippy::all)]
#[allow(async_fn_in_trait)]
pub fn set_keep_alive_idle_time(
&self,
value: Duration,
) -> Result<(), ErrorCode> {
unsafe {
#[repr(align(1))]
struct RetArea([::core::mem::MaybeUninit<u8>; 2]);
let mut ret_area = RetArea(
[::core::mem::MaybeUninit::uninit(); 2],
);
let ptr0 = ret_area.0.as_mut_ptr().cast::<u8>();
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:sockets/tcp@0.2.4")]
unsafe extern "C" {
#[link_name = "[method]tcp-socket.set-keep-alive-idle-time"]
fn wit_import1(_: i32, _: i64, _: *mut u8);
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import1(_: i32, _: i64, _: *mut u8) {
unreachable!()
}
wit_import1((self).handle() as i32, _rt::as_i64(value), ptr0);
let l2 = i32::from(*ptr0.add(0).cast::<u8>());
let result4 = match l2 {
0 => {
let e = ();
Ok(e)
}
1 => {
let e = {
let l3 = i32::from(*ptr0.add(1).cast::<u8>());
super::super::super::wasi::sockets::network::ErrorCode::_lift(
l3 as u8,
)
};
Err(e)
}
_ => _rt::invalid_enum_discriminant(),
};
result4
}
}
}
impl TcpSocket {
#[allow(unused_unsafe, clippy::all)]
/// The time between keepalive packets.
///
/// If the provided value is 0, an `invalid-argument` error is returned.
/// Any other value will never cause an error, but it might be silently clamped and/or rounded.
/// I.e. after setting a value, reading the same setting back may return a different value.
///
/// Equivalent to the TCP_KEEPINTVL socket option.
///
/// # Typical errors
/// - `invalid-argument`: (set) The provided value was 0.
#[allow(async_fn_in_trait)]
pub fn keep_alive_interval(&self) -> Result<Duration, ErrorCode> {
unsafe {
#[repr(align(8))]
struct RetArea([::core::mem::MaybeUninit<u8>; 16]);
let mut ret_area = RetArea(
[::core::mem::MaybeUninit::uninit(); 16],
);
let ptr0 = ret_area.0.as_mut_ptr().cast::<u8>();
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:sockets/tcp@0.2.4")]
unsafe extern "C" {
#[link_name = "[method]tcp-socket.keep-alive-interval"]
fn wit_import1(_: i32, _: *mut u8);
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import1(_: i32, _: *mut u8) {
unreachable!()
}
wit_import1((self).handle() as i32, ptr0);
let l2 = i32::from(*ptr0.add(0).cast::<u8>());
let result5 = match l2 {
0 => {
let e = {
let l3 = *ptr0.add(8).cast::<i64>();
l3 as u64
};
Ok(e)
}
1 => {
let e = {
let l4 = i32::from(*ptr0.add(8).cast::<u8>());
super::super::super::wasi::sockets::network::ErrorCode::_lift(
l4 as u8,
)
};
Err(e)
}
_ => _rt::invalid_enum_discriminant(),
};
result5
}
}
}
impl TcpSocket {
#[allow(unused_unsafe, clippy::all)]
#[allow(async_fn_in_trait)]
pub fn set_keep_alive_interval(
&self,
value: Duration,
) -> Result<(), ErrorCode> {
unsafe {
#[repr(align(1))]
struct RetArea([::core::mem::MaybeUninit<u8>; 2]);
let mut ret_area = RetArea(
[::core::mem::MaybeUninit::uninit(); 2],
);
let ptr0 = ret_area.0.as_mut_ptr().cast::<u8>();
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:sockets/tcp@0.2.4")]
unsafe extern "C" {
#[link_name = "[method]tcp-socket.set-keep-alive-interval"]
fn wit_import1(_: i32, _: i64, _: *mut u8);
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import1(_: i32, _: i64, _: *mut u8) {
unreachable!()
}
wit_import1((self).handle() as i32, _rt::as_i64(value), ptr0);
let l2 = i32::from(*ptr0.add(0).cast::<u8>());
let result4 = match l2 {
0 => {
let e = ();
Ok(e)
}
1 => {
let e = {
let l3 = i32::from(*ptr0.add(1).cast::<u8>());
super::super::super::wasi::sockets::network::ErrorCode::_lift(
l3 as u8,
)
};
Err(e)
}
_ => _rt::invalid_enum_discriminant(),
};
result4
}
}
}
impl TcpSocket {
#[allow(unused_unsafe, clippy::all)]
/// The maximum amount of keepalive packets TCP should send before aborting the connection.
///
/// If the provided value is 0, an `invalid-argument` error is returned.
/// Any other value will never cause an error, but it might be silently clamped and/or rounded.
/// I.e. after setting a value, reading the same setting back may return a different value.
///
/// Equivalent to the TCP_KEEPCNT socket option.
///
/// # Typical errors
/// - `invalid-argument`: (set) The provided value was 0.
#[allow(async_fn_in_trait)]
pub fn keep_alive_count(&self) -> Result<u32, ErrorCode> {
unsafe {
#[repr(align(4))]
struct RetArea([::core::mem::MaybeUninit<u8>; 8]);
let mut ret_area = RetArea(
[::core::mem::MaybeUninit::uninit(); 8],
);
let ptr0 = ret_area.0.as_mut_ptr().cast::<u8>();
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:sockets/tcp@0.2.4")]
unsafe extern "C" {
#[link_name = "[method]tcp-socket.keep-alive-count"]
fn wit_import1(_: i32, _: *mut u8);
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import1(_: i32, _: *mut u8) {
unreachable!()
}
wit_import1((self).handle() as i32, ptr0);
let l2 = i32::from(*ptr0.add(0).cast::<u8>());
let result5 = match l2 {
0 => {
let e = {
let l3 = *ptr0.add(4).cast::<i32>();
l3 as u32
};
Ok(e)
}
1 => {
let e = {
let l4 = i32::from(*ptr0.add(4).cast::<u8>());
super::super::super::wasi::sockets::network::ErrorCode::_lift(
l4 as u8,
)
};
Err(e)
}
_ => _rt::invalid_enum_discriminant(),
};
result5
}
}
}
impl TcpSocket {
#[allow(unused_unsafe, clippy::all)]
#[allow(async_fn_in_trait)]
pub fn set_keep_alive_count(&self, value: u32) -> Result<(), ErrorCode> {
unsafe {
#[repr(align(1))]
struct RetArea([::core::mem::MaybeUninit<u8>; 2]);
let mut ret_area = RetArea(
[::core::mem::MaybeUninit::uninit(); 2],
);
let ptr0 = ret_area.0.as_mut_ptr().cast::<u8>();
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:sockets/tcp@0.2.4")]
unsafe extern "C" {
#[link_name = "[method]tcp-socket.set-keep-alive-count"]
fn wit_import1(_: i32, _: i32, _: *mut u8);
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import1(_: i32, _: i32, _: *mut u8) {
unreachable!()
}
wit_import1((self).handle() as i32, _rt::as_i32(&value), ptr0);
let l2 = i32::from(*ptr0.add(0).cast::<u8>());
let result4 = match l2 {
0 => {
let e = ();
Ok(e)
}
1 => {
let e = {
let l3 = i32::from(*ptr0.add(1).cast::<u8>());
super::super::super::wasi::sockets::network::ErrorCode::_lift(
l3 as u8,
)
};
Err(e)
}
_ => _rt::invalid_enum_discriminant(),
};
result4
}
}
}
impl TcpSocket {
#[allow(unused_unsafe, clippy::all)]
/// Equivalent to the IP_TTL & IPV6_UNICAST_HOPS socket options.
///
/// If the provided value is 0, an `invalid-argument` error is returned.
///
/// # Typical errors
/// - `invalid-argument`: (set) The TTL value must be 1 or higher.
#[allow(async_fn_in_trait)]
pub fn hop_limit(&self) -> Result<u8, ErrorCode> {
unsafe {
#[repr(align(1))]
struct RetArea([::core::mem::MaybeUninit<u8>; 2]);
let mut ret_area = RetArea(
[::core::mem::MaybeUninit::uninit(); 2],
);
let ptr0 = ret_area.0.as_mut_ptr().cast::<u8>();
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:sockets/tcp@0.2.4")]
unsafe extern "C" {
#[link_name = "[method]tcp-socket.hop-limit"]
fn wit_import1(_: i32, _: *mut u8);
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import1(_: i32, _: *mut u8) {
unreachable!()
}
wit_import1((self).handle() as i32, ptr0);
let l2 = i32::from(*ptr0.add(0).cast::<u8>());
let result5 = match l2 {
0 => {
let e = {
let l3 = i32::from(*ptr0.add(1).cast::<u8>());
l3 as u8
};
Ok(e)
}
1 => {
let e = {
let l4 = i32::from(*ptr0.add(1).cast::<u8>());
super::super::super::wasi::sockets::network::ErrorCode::_lift(
l4 as u8,
)
};
Err(e)
}
_ => _rt::invalid_enum_discriminant(),
};
result5
}
}
}
impl TcpSocket {
#[allow(unused_unsafe, clippy::all)]
#[allow(async_fn_in_trait)]
pub fn set_hop_limit(&self, value: u8) -> Result<(), ErrorCode> {
unsafe {
#[repr(align(1))]
struct RetArea([::core::mem::MaybeUninit<u8>; 2]);
let mut ret_area = RetArea(
[::core::mem::MaybeUninit::uninit(); 2],
);
let ptr0 = ret_area.0.as_mut_ptr().cast::<u8>();
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:sockets/tcp@0.2.4")]
unsafe extern "C" {
#[link_name = "[method]tcp-socket.set-hop-limit"]
fn wit_import1(_: i32, _: i32, _: *mut u8);
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import1(_: i32, _: i32, _: *mut u8) {
unreachable!()
}
wit_import1((self).handle() as i32, _rt::as_i32(&value), ptr0);
let l2 = i32::from(*ptr0.add(0).cast::<u8>());
let result4 = match l2 {
0 => {
let e = ();
Ok(e)
}
1 => {
let e = {
let l3 = i32::from(*ptr0.add(1).cast::<u8>());
super::super::super::wasi::sockets::network::ErrorCode::_lift(
l3 as u8,
)
};
Err(e)
}
_ => _rt::invalid_enum_discriminant(),
};
result4
}
}
}
impl TcpSocket {
#[allow(unused_unsafe, clippy::all)]
/// The kernel buffer space reserved for sends/receives on this socket.
///
/// If the provided value is 0, an `invalid-argument` error is returned.
/// Any other value will never cause an error, but it might be silently clamped and/or rounded.
/// I.e. after setting a value, reading the same setting back may return a different value.
///
/// Equivalent to the SO_RCVBUF and SO_SNDBUF socket options.
///
/// # Typical errors
/// - `invalid-argument`: (set) The provided value was 0.
#[allow(async_fn_in_trait)]
pub fn receive_buffer_size(&self) -> Result<u64, ErrorCode> {
unsafe {
#[repr(align(8))]
struct RetArea([::core::mem::MaybeUninit<u8>; 16]);
let mut ret_area = RetArea(
[::core::mem::MaybeUninit::uninit(); 16],
);
let ptr0 = ret_area.0.as_mut_ptr().cast::<u8>();
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:sockets/tcp@0.2.4")]
unsafe extern "C" {
#[link_name = "[method]tcp-socket.receive-buffer-size"]
fn wit_import1(_: i32, _: *mut u8);
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import1(_: i32, _: *mut u8) {
unreachable!()
}
wit_import1((self).handle() as i32, ptr0);
let l2 = i32::from(*ptr0.add(0).cast::<u8>());
let result5 = match l2 {
0 => {
let e = {
let l3 = *ptr0.add(8).cast::<i64>();
l3 as u64
};
Ok(e)
}
1 => {
let e = {
let l4 = i32::from(*ptr0.add(8).cast::<u8>());
super::super::super::wasi::sockets::network::ErrorCode::_lift(
l4 as u8,
)
};
Err(e)
}
_ => _rt::invalid_enum_discriminant(),
};
result5
}
}
}
impl TcpSocket {
#[allow(unused_unsafe, clippy::all)]
#[allow(async_fn_in_trait)]
pub fn set_receive_buffer_size(
&self,
value: u64,
) -> Result<(), ErrorCode> {
unsafe {
#[repr(align(1))]
struct RetArea([::core::mem::MaybeUninit<u8>; 2]);
let mut ret_area = RetArea(
[::core::mem::MaybeUninit::uninit(); 2],
);
let ptr0 = ret_area.0.as_mut_ptr().cast::<u8>();
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:sockets/tcp@0.2.4")]
unsafe extern "C" {
#[link_name = "[method]tcp-socket.set-receive-buffer-size"]
fn wit_import1(_: i32, _: i64, _: *mut u8);
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import1(_: i32, _: i64, _: *mut u8) {
unreachable!()
}
wit_import1((self).handle() as i32, _rt::as_i64(&value), ptr0);
let l2 = i32::from(*ptr0.add(0).cast::<u8>());
let result4 = match l2 {
0 => {
let e = ();
Ok(e)
}
1 => {
let e = {
let l3 = i32::from(*ptr0.add(1).cast::<u8>());
super::super::super::wasi::sockets::network::ErrorCode::_lift(
l3 as u8,
)
};
Err(e)
}
_ => _rt::invalid_enum_discriminant(),
};
result4
}
}
}
impl TcpSocket {
#[allow(unused_unsafe, clippy::all)]
#[allow(async_fn_in_trait)]
pub fn send_buffer_size(&self) -> Result<u64, ErrorCode> {
unsafe {
#[repr(align(8))]
struct RetArea([::core::mem::MaybeUninit<u8>; 16]);
let mut ret_area = RetArea(
[::core::mem::MaybeUninit::uninit(); 16],
);
let ptr0 = ret_area.0.as_mut_ptr().cast::<u8>();
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:sockets/tcp@0.2.4")]
unsafe extern "C" {
#[link_name = "[method]tcp-socket.send-buffer-size"]
fn wit_import1(_: i32, _: *mut u8);
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import1(_: i32, _: *mut u8) {
unreachable!()
}
wit_import1((self).handle() as i32, ptr0);
let l2 = i32::from(*ptr0.add(0).cast::<u8>());
let result5 = match l2 {
0 => {
let e = {
let l3 = *ptr0.add(8).cast::<i64>();
l3 as u64
};
Ok(e)
}
1 => {
let e = {
let l4 = i32::from(*ptr0.add(8).cast::<u8>());
super::super::super::wasi::sockets::network::ErrorCode::_lift(
l4 as u8,
)
};
Err(e)
}
_ => _rt::invalid_enum_discriminant(),
};
result5
}
}
}
impl TcpSocket {
#[allow(unused_unsafe, clippy::all)]
#[allow(async_fn_in_trait)]
pub fn set_send_buffer_size(&self, value: u64) -> Result<(), ErrorCode> {
unsafe {
#[repr(align(1))]
struct RetArea([::core::mem::MaybeUninit<u8>; 2]);
let mut ret_area = RetArea(
[::core::mem::MaybeUninit::uninit(); 2],
);
let ptr0 = ret_area.0.as_mut_ptr().cast::<u8>();
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:sockets/tcp@0.2.4")]
unsafe extern "C" {
#[link_name = "[method]tcp-socket.set-send-buffer-size"]
fn wit_import1(_: i32, _: i64, _: *mut u8);
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import1(_: i32, _: i64, _: *mut u8) {
unreachable!()
}
wit_import1((self).handle() as i32, _rt::as_i64(&value), ptr0);
let l2 = i32::from(*ptr0.add(0).cast::<u8>());
let result4 = match l2 {
0 => {
let e = ();
Ok(e)
}
1 => {
let e = {
let l3 = i32::from(*ptr0.add(1).cast::<u8>());
super::super::super::wasi::sockets::network::ErrorCode::_lift(
l3 as u8,
)
};
Err(e)
}
_ => _rt::invalid_enum_discriminant(),
};
result4
}
}
}
impl TcpSocket {
#[allow(unused_unsafe, clippy::all)]
/// Create a `pollable` which can be used to poll for, or block on,
/// completion of any of the asynchronous operations of this socket.
///
/// When `finish-bind`, `finish-listen`, `finish-connect` or `accept`
/// return `error(would-block)`, this pollable can be used to wait for
/// their success or failure, after which the method can be retried.
///
/// The pollable is not limited to the async operation that happens to be
/// in progress at the time of calling `subscribe` (if any). Theoretically,
/// `subscribe` only has to be called once per socket and can then be
/// (re)used for the remainder of the socket's lifetime.
///
/// See <https://github.com/WebAssembly/wasi-sockets/blob/main/TcpSocketOperationalSemantics.md#pollable-readiness>
/// for more information.
///
/// Note: this function is here for WASI 0.2 only.
/// It's planned to be removed when `future` is natively supported in Preview3.
#[allow(async_fn_in_trait)]
pub fn subscribe(&self) -> Pollable {
unsafe {
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:sockets/tcp@0.2.4")]
unsafe extern "C" {
#[link_name = "[method]tcp-socket.subscribe"]
fn wit_import0(_: i32) -> i32;
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import0(_: i32) -> i32 {
unreachable!()
}
let ret = wit_import0((self).handle() as i32);
super::super::super::wasi::io::poll::Pollable::from_handle(
ret as u32,
)
}
}
}
impl TcpSocket {
#[allow(unused_unsafe, clippy::all)]
/// Initiate a graceful shutdown.
///
/// - `receive`: The socket is not expecting to receive any data from
/// the peer. The `input-stream` associated with this socket will be
/// closed. Any data still in the receive queue at time of calling
/// this method will be discarded.
/// - `send`: The socket has no more data to send to the peer. The `output-stream`
/// associated with this socket will be closed and a FIN packet will be sent.
/// - `both`: Same effect as `receive` & `send` combined.
///
/// This function is idempotent; shutting down a direction more than once
/// has no effect and returns `ok`.
///
/// The shutdown function does not close (drop) the socket.
///
/// # Typical errors
/// - `invalid-state`: The socket is not in the `connected` state. (ENOTCONN)
///
/// # References
/// - <https://pubs.opengroup.org/onlinepubs/9699919799/functions/shutdown.html>
/// - <https://man7.org/linux/man-pages/man2/shutdown.2.html>
/// - <https://learn.microsoft.com/en-us/windows/win32/api/winsock/nf-winsock-shutdown>
/// - <https://man.freebsd.org/cgi/man.cgi?query=shutdown&sektion=2>
#[allow(async_fn_in_trait)]
pub fn shutdown(
&self,
shutdown_type: ShutdownType,
) -> Result<(), ErrorCode> {
unsafe {
#[repr(align(1))]
struct RetArea([::core::mem::MaybeUninit<u8>; 2]);
let mut ret_area = RetArea(
[::core::mem::MaybeUninit::uninit(); 2],
);
let ptr0 = ret_area.0.as_mut_ptr().cast::<u8>();
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:sockets/tcp@0.2.4")]
unsafe extern "C" {
#[link_name = "[method]tcp-socket.shutdown"]
fn wit_import1(_: i32, _: i32, _: *mut u8);
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import1(_: i32, _: i32, _: *mut u8) {
unreachable!()
}
wit_import1(
(self).handle() as i32,
shutdown_type.clone() as i32,
ptr0,
);
let l2 = i32::from(*ptr0.add(0).cast::<u8>());
let result4 = match l2 {
0 => {
let e = ();
Ok(e)
}
1 => {
let e = {
let l3 = i32::from(*ptr0.add(1).cast::<u8>());
super::super::super::wasi::sockets::network::ErrorCode::_lift(
l3 as u8,
)
};
Err(e)
}
_ => _rt::invalid_enum_discriminant(),
};
result4
}
}
}
}
#[allow(dead_code, async_fn_in_trait, unused_imports, clippy::all)]
pub mod tcp_create_socket {
#[used]
#[doc(hidden)]
static __FORCE_SECTION_REF: fn() = super::super::super::__link_custom_section_describing_imports;
use super::super::super::_rt;
pub type ErrorCode = super::super::super::wasi::sockets::network::ErrorCode;
pub type IpAddressFamily = super::super::super::wasi::sockets::network::IpAddressFamily;
pub type TcpSocket = super::super::super::wasi::sockets::tcp::TcpSocket;
#[allow(unused_unsafe, clippy::all)]
/// Create a new TCP socket.
///
/// Similar to `socket(AF_INET or AF_INET6, SOCK_STREAM, IPPROTO_TCP)` in POSIX.
/// On IPv6 sockets, IPV6_V6ONLY is enabled by default and can't be configured otherwise.
///
/// This function does not require a network capability handle. This is considered to be safe because
/// at time of creation, the socket is not bound to any `network` yet. Up to the moment `bind`/`connect`
/// is called, the socket is effectively an in-memory configuration object, unable to communicate with the outside world.
///
/// All sockets are non-blocking. Use the wasi-poll interface to block on asynchronous operations.
///
/// # Typical errors
/// - `not-supported`: The specified `address-family` is not supported. (EAFNOSUPPORT)
/// - `new-socket-limit`: The new socket resource could not be created because of a system limit. (EMFILE, ENFILE)
///
/// # References
/// - <https://pubs.opengroup.org/onlinepubs/9699919799/functions/socket.html>
/// - <https://man7.org/linux/man-pages/man2/socket.2.html>
/// - <https://learn.microsoft.com/en-us/windows/win32/api/winsock2/nf-winsock2-wsasocketw>
/// - <https://man.freebsd.org/cgi/man.cgi?query=socket&sektion=2>
#[allow(async_fn_in_trait)]
pub fn create_tcp_socket(
address_family: IpAddressFamily,
) -> Result<TcpSocket, ErrorCode> {
unsafe {
#[repr(align(4))]
struct RetArea([::core::mem::MaybeUninit<u8>; 8]);
let mut ret_area = RetArea([::core::mem::MaybeUninit::uninit(); 8]);
let ptr0 = ret_area.0.as_mut_ptr().cast::<u8>();
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:sockets/tcp-create-socket@0.2.4")]
unsafe extern "C" {
#[link_name = "create-tcp-socket"]
fn wit_import1(_: i32, _: *mut u8);
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import1(_: i32, _: *mut u8) {
unreachable!()
}
wit_import1(address_family.clone() as i32, ptr0);
let l2 = i32::from(*ptr0.add(0).cast::<u8>());
let result5 = match l2 {
0 => {
let e = {
let l3 = *ptr0.add(4).cast::<i32>();
super::super::super::wasi::sockets::tcp::TcpSocket::from_handle(
l3 as u32,
)
};
Ok(e)
}
1 => {
let e = {
let l4 = i32::from(*ptr0.add(4).cast::<u8>());
super::super::super::wasi::sockets::network::ErrorCode::_lift(
l4 as u8,
)
};
Err(e)
}
_ => _rt::invalid_enum_discriminant(),
};
result5
}
}
}
#[allow(dead_code, async_fn_in_trait, unused_imports, clippy::all)]
pub mod ip_name_lookup {
#[used]
#[doc(hidden)]
static __FORCE_SECTION_REF: fn() = super::super::super::__link_custom_section_describing_imports;
use super::super::super::_rt;
pub type Pollable = super::super::super::wasi::io::poll::Pollable;
pub type Network = super::super::super::wasi::sockets::network::Network;
pub type ErrorCode = super::super::super::wasi::sockets::network::ErrorCode;
pub type IpAddress = super::super::super::wasi::sockets::network::IpAddress;
#[derive(Debug)]
#[repr(transparent)]
pub struct ResolveAddressStream {
handle: _rt::Resource<ResolveAddressStream>,
}
impl ResolveAddressStream {
#[doc(hidden)]
pub unsafe fn from_handle(handle: u32) -> Self {
Self {
handle: unsafe { _rt::Resource::from_handle(handle) },
}
}
#[doc(hidden)]
pub fn take_handle(&self) -> u32 {
_rt::Resource::take_handle(&self.handle)
}
#[doc(hidden)]
pub fn handle(&self) -> u32 {
_rt::Resource::handle(&self.handle)
}
}
unsafe impl _rt::WasmResource for ResolveAddressStream {
#[inline]
unsafe fn drop(_handle: u32) {
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:sockets/ip-name-lookup@0.2.4")]
unsafe extern "C" {
#[link_name = "[resource-drop]resolve-address-stream"]
fn drop(_: i32);
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn drop(_: i32) {
unreachable!()
}
unsafe {
drop(_handle as i32);
}
}
}
#[allow(unused_unsafe, clippy::all)]
/// Resolve an internet host name to a list of IP addresses.
///
/// Unicode domain names are automatically converted to ASCII using IDNA encoding.
/// If the input is an IP address string, the address is parsed and returned
/// as-is without making any external requests.
///
/// See the wasi-socket proposal README.md for a comparison with getaddrinfo.
///
/// This function never blocks. It either immediately fails or immediately
/// returns successfully with a `resolve-address-stream` that can be used
/// to (asynchronously) fetch the results.
///
/// # Typical errors
/// - `invalid-argument`: `name` is a syntactically invalid domain name or IP address.
///
/// # References:
/// - <https://pubs.opengroup.org/onlinepubs/9699919799/functions/getaddrinfo.html>
/// - <https://man7.org/linux/man-pages/man3/getaddrinfo.3.html>
/// - <https://learn.microsoft.com/en-us/windows/win32/api/ws2tcpip/nf-ws2tcpip-getaddrinfo>
/// - <https://man.freebsd.org/cgi/man.cgi?query=getaddrinfo&sektion=3>
#[allow(async_fn_in_trait)]
pub fn resolve_addresses(
network: &Network,
name: &str,
) -> Result<ResolveAddressStream, ErrorCode> {
unsafe {
#[repr(align(4))]
struct RetArea([::core::mem::MaybeUninit<u8>; 8]);
let mut ret_area = RetArea([::core::mem::MaybeUninit::uninit(); 8]);
let vec0 = name;
let ptr0 = vec0.as_ptr().cast::<u8>();
let len0 = vec0.len();
let ptr1 = ret_area.0.as_mut_ptr().cast::<u8>();
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:sockets/ip-name-lookup@0.2.4")]
unsafe extern "C" {
#[link_name = "resolve-addresses"]
fn wit_import2(_: i32, _: *mut u8, _: usize, _: *mut u8);
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import2(
_: i32,
_: *mut u8,
_: usize,
_: *mut u8,
) {
unreachable!()
}
wit_import2((network).handle() as i32, ptr0.cast_mut(), len0, ptr1);
let l3 = i32::from(*ptr1.add(0).cast::<u8>());
let result6 = match l3 {
0 => {
let e = {
let l4 = *ptr1.add(4).cast::<i32>();
ResolveAddressStream::from_handle(l4 as u32)
};
Ok(e)
}
1 => {
let e = {
let l5 = i32::from(*ptr1.add(4).cast::<u8>());
super::super::super::wasi::sockets::network::ErrorCode::_lift(
l5 as u8,
)
};
Err(e)
}
_ => _rt::invalid_enum_discriminant(),
};
result6
}
}
impl ResolveAddressStream {
#[allow(unused_unsafe, clippy::all)]
/// Returns the next address from the resolver.
///
/// This function should be called multiple times. On each call, it will
/// return the next address in connection order preference. If all
/// addresses have been exhausted, this function returns `none`.
///
/// This function never returns IPv4-mapped IPv6 addresses.
///
/// # Typical errors
/// - `name-unresolvable`: Name does not exist or has no suitable associated IP addresses. (EAI_NONAME, EAI_NODATA, EAI_ADDRFAMILY)
/// - `temporary-resolver-failure`: A temporary failure in name resolution occurred. (EAI_AGAIN)
/// - `permanent-resolver-failure`: A permanent failure in name resolution occurred. (EAI_FAIL)
/// - `would-block`: A result is not available yet. (EWOULDBLOCK, EAGAIN)
#[allow(async_fn_in_trait)]
pub fn resolve_next_address(
&self,
) -> Result<Option<IpAddress>, ErrorCode> {
unsafe {
#[repr(align(2))]
struct RetArea([::core::mem::MaybeUninit<u8>; 22]);
let mut ret_area = RetArea(
[::core::mem::MaybeUninit::uninit(); 22],
);
let ptr0 = ret_area.0.as_mut_ptr().cast::<u8>();
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:sockets/ip-name-lookup@0.2.4")]
unsafe extern "C" {
#[link_name = "[method]resolve-address-stream.resolve-next-address"]
fn wit_import1(_: i32, _: *mut u8);
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import1(_: i32, _: *mut u8) {
unreachable!()
}
wit_import1((self).handle() as i32, ptr0);
let l2 = i32::from(*ptr0.add(0).cast::<u8>());
let result19 = match l2 {
0 => {
let e = {
let l3 = i32::from(*ptr0.add(2).cast::<u8>());
match l3 {
0 => None,
1 => {
let e = {
let l4 = i32::from(*ptr0.add(4).cast::<u8>());
use super::super::super::wasi::sockets::network::IpAddress as V17;
let v17 = match l4 {
0 => {
let e17 = {
let l5 = i32::from(*ptr0.add(6).cast::<u8>());
let l6 = i32::from(*ptr0.add(7).cast::<u8>());
let l7 = i32::from(*ptr0.add(8).cast::<u8>());
let l8 = i32::from(*ptr0.add(9).cast::<u8>());
(l5 as u8, l6 as u8, l7 as u8, l8 as u8)
};
V17::Ipv4(e17)
}
n => {
debug_assert_eq!(n, 1, "invalid enum discriminant");
let e17 = {
let l9 = i32::from(*ptr0.add(6).cast::<u16>());
let l10 = i32::from(*ptr0.add(8).cast::<u16>());
let l11 = i32::from(*ptr0.add(10).cast::<u16>());
let l12 = i32::from(*ptr0.add(12).cast::<u16>());
let l13 = i32::from(*ptr0.add(14).cast::<u16>());
let l14 = i32::from(*ptr0.add(16).cast::<u16>());
let l15 = i32::from(*ptr0.add(18).cast::<u16>());
let l16 = i32::from(*ptr0.add(20).cast::<u16>());
(
l9 as u16,
l10 as u16,
l11 as u16,
l12 as u16,
l13 as u16,
l14 as u16,
l15 as u16,
l16 as u16,
)
};
V17::Ipv6(e17)
}
};
v17
};
Some(e)
}
_ => _rt::invalid_enum_discriminant(),
}
};
Ok(e)
}
1 => {
let e = {
let l18 = i32::from(*ptr0.add(2).cast::<u8>());
super::super::super::wasi::sockets::network::ErrorCode::_lift(
l18 as u8,
)
};
Err(e)
}
_ => _rt::invalid_enum_discriminant(),
};
result19
}
}
}
impl ResolveAddressStream {
#[allow(unused_unsafe, clippy::all)]
/// Create a `pollable` which will resolve once the stream is ready for I/O.
///
/// Note: this function is here for WASI 0.2 only.
/// It's planned to be removed when `future` is natively supported in Preview3.
#[allow(async_fn_in_trait)]
pub fn subscribe(&self) -> Pollable {
unsafe {
#[cfg(target_arch = "wasm32")]
#[link(wasm_import_module = "wasi:sockets/ip-name-lookup@0.2.4")]
unsafe extern "C" {
#[link_name = "[method]resolve-address-stream.subscribe"]
fn wit_import0(_: i32) -> i32;
}
#[cfg(not(target_arch = "wasm32"))]
unsafe extern "C" fn wit_import0(_: i32) -> i32 {
unreachable!()
}
let ret = wit_import0((self).handle() as i32);
super::super::super::wasi::io::poll::Pollable::from_handle(
ret as u32,
)
}
}
}
}
}
}
#[rustfmt::skip]
mod _rt {
#![allow(dead_code, clippy::all)]
pub use alloc_crate::vec::Vec;
pub use alloc_crate::string::String;
pub unsafe fn string_lift(bytes: Vec<u8>) -> String {
if cfg!(debug_assertions) {
String::from_utf8(bytes).unwrap()
} else {
unsafe { String::from_utf8_unchecked(bytes) }
}
}
pub unsafe fn cabi_dealloc(ptr: *mut u8, size: usize, align: usize) {
if size == 0 {
return;
}
unsafe {
let layout = alloc::Layout::from_size_align_unchecked(size, align);
alloc::dealloc(ptr, layout);
}
}
pub unsafe fn invalid_enum_discriminant<T>() -> T {
if cfg!(debug_assertions) {
panic!("invalid enum discriminant")
} else {
unsafe { core::hint::unreachable_unchecked() }
}
}
use core::fmt;
use core::marker;
use core::sync::atomic::{AtomicU32, Ordering::Relaxed};
/// A type which represents a component model resource, either imported or
/// exported into this component.
///
/// This is a low-level wrapper which handles the lifetime of the resource
/// (namely this has a destructor). The `T` provided defines the component model
/// intrinsics that this wrapper uses.
///
/// One of the chief purposes of this type is to provide `Deref` implementations
/// to access the underlying data when it is owned.
///
/// This type is primarily used in generated code for exported and imported
/// resources.
#[repr(transparent)]
pub struct Resource<T: WasmResource> {
handle: AtomicU32,
_marker: marker::PhantomData<T>,
}
/// A trait which all wasm resources implement, namely providing the ability to
/// drop a resource.
///
/// This generally is implemented by generated code, not user-facing code.
#[allow(clippy::missing_safety_doc)]
pub unsafe trait WasmResource {
/// Invokes the `[resource-drop]...` intrinsic.
unsafe fn drop(handle: u32);
}
impl<T: WasmResource> Resource<T> {
#[doc(hidden)]
pub unsafe fn from_handle(handle: u32) -> Self {
debug_assert!(handle != 0 && handle != u32::MAX);
Self {
handle: AtomicU32::new(handle),
_marker: marker::PhantomData,
}
}
/// Takes ownership of the handle owned by `resource`.
///
/// Note that this ideally would be `into_handle` taking `Resource<T>` by
/// ownership. The code generator does not enable that in all situations,
/// unfortunately, so this is provided instead.
///
/// Also note that `take_handle` is in theory only ever called on values
/// owned by a generated function. For example a generated function might
/// take `Resource<T>` as an argument but then call `take_handle` on a
/// reference to that argument. In that sense the dynamic nature of
/// `take_handle` should only be exposed internally to generated code, not
/// to user code.
#[doc(hidden)]
pub fn take_handle(resource: &Resource<T>) -> u32 {
resource.handle.swap(u32::MAX, Relaxed)
}
#[doc(hidden)]
pub fn handle(resource: &Resource<T>) -> u32 {
resource.handle.load(Relaxed)
}
}
impl<T: WasmResource> fmt::Debug for Resource<T> {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
f.debug_struct("Resource").field("handle", &self.handle).finish()
}
}
impl<T: WasmResource> Drop for Resource<T> {
fn drop(&mut self) {
unsafe {
match self.handle.load(Relaxed) {
u32::MAX => {}
other => T::drop(other),
}
}
}
}
pub unsafe fn bool_lift(val: u8) -> bool {
if cfg!(debug_assertions) {
match val {
0 => false,
1 => true,
_ => panic!("invalid bool discriminant"),
}
} else {
val != 0
}
}
pub use alloc_crate::alloc;
pub fn as_i64<T: AsI64>(t: T) -> i64 {
t.as_i64()
}
pub trait AsI64 {
fn as_i64(self) -> i64;
}
impl<'a, T: Copy + AsI64> AsI64 for &'a T {
fn as_i64(self) -> i64 {
(*self).as_i64()
}
}
impl AsI64 for i64 {
#[inline]
fn as_i64(self) -> i64 {
self as i64
}
}
impl AsI64 for u64 {
#[inline]
fn as_i64(self) -> i64 {
self as i64
}
}
pub fn as_i32<T: AsI32>(t: T) -> i32 {
t.as_i32()
}
pub trait AsI32 {
fn as_i32(self) -> i32;
}
impl<'a, T: Copy + AsI32> AsI32 for &'a T {
fn as_i32(self) -> i32 {
(*self).as_i32()
}
}
impl AsI32 for i32 {
#[inline]
fn as_i32(self) -> i32 {
self as i32
}
}
impl AsI32 for u32 {
#[inline]
fn as_i32(self) -> i32 {
self as i32
}
}
impl AsI32 for i16 {
#[inline]
fn as_i32(self) -> i32 {
self as i32
}
}
impl AsI32 for u16 {
#[inline]
fn as_i32(self) -> i32 {
self as i32
}
}
impl AsI32 for i8 {
#[inline]
fn as_i32(self) -> i32 {
self as i32
}
}
impl AsI32 for u8 {
#[inline]
fn as_i32(self) -> i32 {
self as i32
}
}
impl AsI32 for char {
#[inline]
fn as_i32(self) -> i32 {
self as i32
}
}
impl AsI32 for usize {
#[inline]
fn as_i32(self) -> i32 {
self as i32
}
}
extern crate alloc as alloc_crate;
}
#[rustfmt::skip]
#[cfg(target_arch = "wasm32")]
#[cfg_attr(feature = "rustc-dep-of-std", unsafe(link_section = "component-type:wit-bindgen:0.46.0:wasi:cli@0.2.4:imports:encoded worldrust-wasip2-1.0.1+wasi-0.2.4-from-crates-io-in-libstd"))]
#[cfg_attr(not(feature = "rustc-dep-of-std"), unsafe(link_section = "component-type:wit-bindgen:0.46.0:wasi:cli@0.2.4:imports:encoded worldrust-wasip2-1.0.1+wasi-0.2.4-from-crates-io"))]
#[doc(hidden)]
#[allow(clippy::octal_escapes)]
pub static __WIT_BINDGEN_COMPONENT_TYPE: [u8; 10730] = *b"\
\0asm\x0d\0\x01\0\0\x19\x16wit-component-encoding\x04\0\x07\xecR\x01A\x02\x01AG\x01\
B\x0a\x01o\x02ss\x01p\0\x01@\0\0\x01\x04\0\x0fget-environment\x01\x02\x01ps\x01@\
\0\0\x03\x04\0\x0dget-arguments\x01\x04\x01ks\x01@\0\0\x05\x04\0\x0binitial-cwd\x01\
\x06\x03\0\x1awasi:cli/environment@0.2.4\x05\0\x01B\x03\x01j\0\0\x01@\x01\x06sta\
tus\0\x01\0\x04\0\x04exit\x01\x01\x03\0\x13wasi:cli/exit@0.2.4\x05\x01\x01B\x04\x04\
\0\x05error\x03\x01\x01h\0\x01@\x01\x04self\x01\0s\x04\0\x1d[method]error.to-deb\
ug-string\x01\x02\x03\0\x13wasi:io/error@0.2.4\x05\x02\x01B\x0a\x04\0\x08pollabl\
e\x03\x01\x01h\0\x01@\x01\x04self\x01\0\x7f\x04\0\x16[method]pollable.ready\x01\x02\
\x01@\x01\x04self\x01\x01\0\x04\0\x16[method]pollable.block\x01\x03\x01p\x01\x01\
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p-socket.start-connect\x01\x18\x01i\x01\x01i\x03\x01o\x02\x19\x1a\x01j\x01\x1b\x01\
\x0b\x01@\x01\x04self\x13\0\x1c\x04\0![method]tcp-socket.finish-connect\x01\x1d\x04\
\0\x1f[method]tcp-socket.start-listen\x01\x17\x04\0\x20[method]tcp-socket.finish\
-listen\x01\x17\x01i\x12\x01o\x03\x1e\x19\x1a\x01j\x01\x1f\x01\x0b\x01@\x01\x04s\
elf\x13\0\x20\x04\0\x19[method]tcp-socket.accept\x01!\x01j\x01\x0d\x01\x0b\x01@\x01\
\x04self\x13\0\"\x04\0\x20[method]tcp-socket.local-address\x01#\x04\0![method]tc\
p-socket.remote-address\x01#\x01@\x01\x04self\x13\0\x7f\x04\0\x1f[method]tcp-soc\
ket.is-listening\x01$\x01@\x01\x04self\x13\0\x0f\x04\0![method]tcp-socket.addres\
s-family\x01%\x01@\x02\x04self\x13\x05valuew\0\x15\x04\0*[method]tcp-socket.set-\
listen-backlog-size\x01&\x01j\x01\x7f\x01\x0b\x01@\x01\x04self\x13\0'\x04\0%[met\
hod]tcp-socket.keep-alive-enabled\x01(\x01@\x02\x04self\x13\x05value\x7f\0\x15\x04\
\0)[method]tcp-socket.set-keep-alive-enabled\x01)\x01j\x01\x07\x01\x0b\x01@\x01\x04\
self\x13\0*\x04\0'[method]tcp-socket.keep-alive-idle-time\x01+\x01@\x02\x04self\x13\
\x05value\x07\0\x15\x04\0+[method]tcp-socket.set-keep-alive-idle-time\x01,\x04\0\
&[method]tcp-socket.keep-alive-interval\x01+\x04\0*[method]tcp-socket.set-keep-a\
live-interval\x01,\x01j\x01y\x01\x0b\x01@\x01\x04self\x13\0-\x04\0#[method]tcp-s\
ocket.keep-alive-count\x01.\x01@\x02\x04self\x13\x05valuey\0\x15\x04\0'[method]t\
cp-socket.set-keep-alive-count\x01/\x01j\x01}\x01\x0b\x01@\x01\x04self\x13\00\x04\
\0\x1c[method]tcp-socket.hop-limit\x011\x01@\x02\x04self\x13\x05value}\0\x15\x04\
\0\x20[method]tcp-socket.set-hop-limit\x012\x01j\x01w\x01\x0b\x01@\x01\x04self\x13\
\03\x04\0&[method]tcp-socket.receive-buffer-size\x014\x04\0*[method]tcp-socket.s\
et-receive-buffer-size\x01&\x04\0#[method]tcp-socket.send-buffer-size\x014\x04\0\
'[method]tcp-socket.set-send-buffer-size\x01&\x01i\x05\x01@\x01\x04self\x13\05\x04\
\0\x1c[method]tcp-socket.subscribe\x016\x01@\x02\x04self\x13\x0dshutdown-type\x11\
\0\x15\x04\0\x1b[method]tcp-socket.shutdown\x017\x03\0\x16wasi:sockets/tcp@0.2.4\
\x05$\x02\x03\0\x15\x0atcp-socket\x01B\x0c\x02\x03\x02\x01\x1b\x04\0\x07network\x03\
\0\0\x02\x03\x02\x01\x1d\x04\0\x0aerror-code\x03\0\x02\x02\x03\x02\x01\x1f\x04\0\
\x11ip-address-family\x03\0\x04\x02\x03\x02\x01%\x04\0\x0atcp-socket\x03\0\x06\x01\
i\x07\x01j\x01\x08\x01\x03\x01@\x01\x0eaddress-family\x05\0\x09\x04\0\x11create-\
tcp-socket\x01\x0a\x03\0$wasi:sockets/tcp-create-socket@0.2.4\x05&\x02\x03\0\x11\
\x0aip-address\x01B\x16\x02\x03\x02\x01\x05\x04\0\x08pollable\x03\0\0\x02\x03\x02\
\x01\x1b\x04\0\x07network\x03\0\x02\x02\x03\x02\x01\x1d\x04\0\x0aerror-code\x03\0\
\x04\x02\x03\x02\x01'\x04\0\x0aip-address\x03\0\x06\x04\0\x16resolve-address-str\
eam\x03\x01\x01h\x08\x01k\x07\x01j\x01\x0a\x01\x05\x01@\x01\x04self\x09\0\x0b\x04\
\03[method]resolve-address-stream.resolve-next-address\x01\x0c\x01i\x01\x01@\x01\
\x04self\x09\0\x0d\x04\0([method]resolve-address-stream.subscribe\x01\x0e\x01h\x03\
\x01i\x08\x01j\x01\x10\x01\x05\x01@\x02\x07network\x0f\x04names\0\x11\x04\0\x11r\
esolve-addresses\x01\x12\x03\0!wasi:sockets/ip-name-lookup@0.2.4\x05(\x01B\x05\x01\
p}\x01@\x01\x03lenw\0\0\x04\0\x10get-random-bytes\x01\x01\x01@\0\0w\x04\0\x0eget\
-random-u64\x01\x02\x03\0\x18wasi:random/random@0.2.4\x05)\x01B\x05\x01p}\x01@\x01\
\x03lenw\0\0\x04\0\x19get-insecure-random-bytes\x01\x01\x01@\0\0w\x04\0\x17get-i\
nsecure-random-u64\x01\x02\x03\0\x1awasi:random/insecure@0.2.4\x05*\x01B\x03\x01\
o\x02ww\x01@\0\0\0\x04\0\x0dinsecure-seed\x01\x01\x03\0\x1fwasi:random/insecure-\
seed@0.2.4\x05+\x04\0\x16wasi:cli/imports@0.2.4\x04\0\x0b\x0d\x01\0\x07imports\x03\
\0\0\0G\x09producers\x01\x0cprocessed-by\x02\x0dwit-component\x070.239.0\x10wit-\
bindgen-rust\x060.46.0";
#[inline(never)]
#[doc(hidden)]
pub fn __link_custom_section_describing_imports() {
wit_bindgen::rt::maybe_link_cabi_realloc();
}