diff --git a/Cargo.lock b/Cargo.lock index a2fc599..e86fcc5 100644 --- a/Cargo.lock +++ b/Cargo.lock @@ -12,7 +12,17 @@ checksum = "cf4b9d6a944f767f8e5e0db018570623c85f3d925ac718db4e06d0187adb21c1" name = "rust-wasi-hello" version = "0.0.0" dependencies = [ - "wit-bindgen-rt", + "wasi", + "wit-bindgen-rt 0.24.0", +] + +[[package]] +name = "wasi" +version = "0.13.2+wasi-0.2.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "d9860ef2271bc7a6e1f985ac4438862a165137fe585ac10bdfad0a8aeb37ba25" +dependencies = [ + "wit-bindgen-rt 0.29.0", ] [[package]] @@ -23,3 +33,12 @@ checksum = "3b0780cf7046630ed70f689a098cd8d56c5c3b22f2a7379bbdb088879963ff96" dependencies = [ "bitflags", ] + +[[package]] +name = "wit-bindgen-rt" +version = "0.29.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "4b18e27825442721d23ed98591a80f55220cfe0bf883d92b1ead6c9be237bb34" +dependencies = [ + "bitflags", +] diff --git a/Cargo.toml b/Cargo.toml index e16de1e..f3d2a76 100644 --- a/Cargo.toml +++ b/Cargo.toml @@ -29,4 +29,5 @@ proxy = true # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html [dependencies] +wasi = "0.13.2" wit-bindgen-rt = { version = "0.24.0", features = ["bitflags"] } diff --git a/src/bindings.rs b/src/bindings.rs deleted file mode 100644 index 211af69..0000000 --- a/src/bindings.rs +++ /dev/null @@ -1,8502 +0,0 @@ -// Generated by `wit-bindgen` 0.25.0. DO NOT EDIT! -// Options used: -#[allow(dead_code)] -pub mod wasi { - #[allow(dead_code)] - pub mod cli { - #[allow(dead_code, clippy::all)] - pub mod stdout { - #[used] - #[doc(hidden)] - #[cfg(target_arch = "wasm32")] - 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)] - pub fn get_stdout() -> OutputStream { - unsafe { - #[cfg(target_arch = "wasm32")] - #[link(wasm_import_module = "wasi:cli/stdout@0.2.0")] - extern "C" { - #[link_name = "get-stdout"] - fn wit_import() -> i32; - } - - #[cfg(not(target_arch = "wasm32"))] - fn wit_import() -> i32 { - unreachable!() - } - let ret = wit_import(); - super::super::super::wasi::io::streams::OutputStream::from_handle(ret as u32) - } - } - } - - #[allow(dead_code, clippy::all)] - pub mod stderr { - #[used] - #[doc(hidden)] - #[cfg(target_arch = "wasm32")] - 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)] - pub fn get_stderr() -> OutputStream { - unsafe { - #[cfg(target_arch = "wasm32")] - #[link(wasm_import_module = "wasi:cli/stderr@0.2.0")] - extern "C" { - #[link_name = "get-stderr"] - fn wit_import() -> i32; - } - - #[cfg(not(target_arch = "wasm32"))] - fn wit_import() -> i32 { - unreachable!() - } - let ret = wit_import(); - super::super::super::wasi::io::streams::OutputStream::from_handle(ret as u32) - } - } - } - - #[allow(dead_code, clippy::all)] - pub mod stdin { - #[used] - #[doc(hidden)] - #[cfg(target_arch = "wasm32")] - 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)] - pub fn get_stdin() -> InputStream { - unsafe { - #[cfg(target_arch = "wasm32")] - #[link(wasm_import_module = "wasi:cli/stdin@0.2.0")] - extern "C" { - #[link_name = "get-stdin"] - fn wit_import() -> i32; - } - - #[cfg(not(target_arch = "wasm32"))] - fn wit_import() -> i32 { - unreachable!() - } - let ret = wit_import(); - super::super::super::wasi::io::streams::InputStream::from_handle(ret as u32) - } - } - } - } - #[allow(dead_code)] - pub mod clocks { - #[allow(dead_code, clippy::all)] - pub mod monotonic_clock { - #[used] - #[doc(hidden)] - #[cfg(target_arch = "wasm32")] - 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. - pub fn now() -> Instant { - unsafe { - #[cfg(target_arch = "wasm32")] - #[link(wasm_import_module = "wasi:clocks/monotonic-clock@0.2.0")] - extern "C" { - #[link_name = "now"] - fn wit_import() -> i64; - } - - #[cfg(not(target_arch = "wasm32"))] - fn wit_import() -> i64 { - unreachable!() - } - let ret = wit_import(); - ret as u64 - } - } - #[allow(unused_unsafe, clippy::all)] - /// Query the resolution of the clock. Returns the duration of time - /// corresponding to a clock tick. - pub fn resolution() -> Duration { - unsafe { - #[cfg(target_arch = "wasm32")] - #[link(wasm_import_module = "wasi:clocks/monotonic-clock@0.2.0")] - extern "C" { - #[link_name = "resolution"] - fn wit_import() -> i64; - } - - #[cfg(not(target_arch = "wasm32"))] - fn wit_import() -> i64 { - unreachable!() - } - let ret = wit_import(); - ret as u64 - } - } - #[allow(unused_unsafe, clippy::all)] - /// Create a `pollable` which will resolve once the specified instant - /// occured. - pub fn subscribe_instant(when: Instant) -> Pollable { - unsafe { - #[cfg(target_arch = "wasm32")] - #[link(wasm_import_module = "wasi:clocks/monotonic-clock@0.2.0")] - extern "C" { - #[link_name = "subscribe-instant"] - fn wit_import(_: i64) -> i32; - } - - #[cfg(not(target_arch = "wasm32"))] - fn wit_import(_: i64) -> i32 { - unreachable!() - } - let ret = wit_import(_rt::as_i64(when)); - super::super::super::wasi::io::poll::Pollable::from_handle(ret as u32) - } - } - #[allow(unused_unsafe, clippy::all)] - /// Create a `pollable` which will resolve once the given duration has - /// elapsed, starting at the time at which this function was called. - /// occured. - pub fn subscribe_duration(when: Duration) -> Pollable { - unsafe { - #[cfg(target_arch = "wasm32")] - #[link(wasm_import_module = "wasi:clocks/monotonic-clock@0.2.0")] - extern "C" { - #[link_name = "subscribe-duration"] - fn wit_import(_: i64) -> i32; - } - - #[cfg(not(target_arch = "wasm32"))] - fn wit_import(_: i64) -> i32 { - unreachable!() - } - let ret = wit_import(_rt::as_i64(when)); - super::super::super::wasi::io::poll::Pollable::from_handle(ret as u32) - } - } - } - - #[allow(dead_code, clippy::all)] - pub mod wall_clock { - #[used] - #[doc(hidden)] - #[cfg(target_arch = "wasm32")] - 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 - pub fn now() -> Datetime { - unsafe { - #[repr(align(8))] - struct RetArea([::core::mem::MaybeUninit; 16]); - let mut ret_area = RetArea([::core::mem::MaybeUninit::uninit(); 16]); - let ptr0 = ret_area.0.as_mut_ptr().cast::(); - #[cfg(target_arch = "wasm32")] - #[link(wasm_import_module = "wasi:clocks/wall-clock@0.2.0")] - extern "C" { - #[link_name = "now"] - fn wit_import(_: *mut u8); - } - - #[cfg(not(target_arch = "wasm32"))] - fn wit_import(_: *mut u8) { - unreachable!() - } - wit_import(ptr0); - let l1 = *ptr0.add(0).cast::(); - let l2 = *ptr0.add(8).cast::(); - Datetime { - seconds: l1 as u64, - nanoseconds: l2 as u32, - } - } - } - #[allow(unused_unsafe, clippy::all)] - /// Query the resolution of the clock. - /// - /// The nanoseconds field of the output is always less than 1000000000. - pub fn resolution() -> Datetime { - unsafe { - #[repr(align(8))] - struct RetArea([::core::mem::MaybeUninit; 16]); - let mut ret_area = RetArea([::core::mem::MaybeUninit::uninit(); 16]); - let ptr0 = ret_area.0.as_mut_ptr().cast::(); - #[cfg(target_arch = "wasm32")] - #[link(wasm_import_module = "wasi:clocks/wall-clock@0.2.0")] - extern "C" { - #[link_name = "resolution"] - fn wit_import(_: *mut u8); - } - - #[cfg(not(target_arch = "wasm32"))] - fn wit_import(_: *mut u8) { - unreachable!() - } - wit_import(ptr0); - let l1 = *ptr0.add(0).cast::(); - let l2 = *ptr0.add(8).cast::(); - Datetime { - seconds: l1 as u64, - nanoseconds: l2 as u32, - } - } - } - } - } - #[allow(dead_code)] - pub mod http { - #[allow(dead_code, clippy::all)] - pub mod types { - #[used] - #[doc(hidden)] - #[cfg(target_arch = "wasm32")] - static __FORCE_SECTION_REF: fn() = - super::super::super::__link_custom_section_describing_imports; - use super::super::super::_rt; - pub type Duration = super::super::super::wasi::clocks::monotonic_clock::Duration; - pub type InputStream = super::super::super::wasi::io::streams::InputStream; - pub type OutputStream = super::super::super::wasi::io::streams::OutputStream; - pub type IoError = super::super::super::wasi::io::error::Error; - pub type Pollable = super::super::super::wasi::io::poll::Pollable; - /// This type corresponds to HTTP standard Methods. - #[derive(Clone)] - pub enum Method { - Get, - Head, - Post, - Put, - Delete, - Connect, - Options, - Trace, - Patch, - Other(_rt::String), - } - impl ::core::fmt::Debug for Method { - fn fmt(&self, f: &mut ::core::fmt::Formatter<'_>) -> ::core::fmt::Result { - match self { - Method::Get => f.debug_tuple("Method::Get").finish(), - Method::Head => f.debug_tuple("Method::Head").finish(), - Method::Post => f.debug_tuple("Method::Post").finish(), - Method::Put => f.debug_tuple("Method::Put").finish(), - Method::Delete => f.debug_tuple("Method::Delete").finish(), - Method::Connect => f.debug_tuple("Method::Connect").finish(), - Method::Options => f.debug_tuple("Method::Options").finish(), - Method::Trace => f.debug_tuple("Method::Trace").finish(), - Method::Patch => f.debug_tuple("Method::Patch").finish(), - Method::Other(e) => f.debug_tuple("Method::Other").field(e).finish(), - } - } - } - /// This type corresponds to HTTP standard Related Schemes. - #[derive(Clone)] - pub enum Scheme { - Http, - Https, - Other(_rt::String), - } - impl ::core::fmt::Debug for Scheme { - fn fmt(&self, f: &mut ::core::fmt::Formatter<'_>) -> ::core::fmt::Result { - match self { - Scheme::Http => f.debug_tuple("Scheme::Http").finish(), - Scheme::Https => f.debug_tuple("Scheme::Https").finish(), - Scheme::Other(e) => f.debug_tuple("Scheme::Other").field(e).finish(), - } - } - } - /// Defines the case payload type for `DNS-error` above: - #[derive(Clone)] - pub struct DnsErrorPayload { - pub rcode: Option<_rt::String>, - pub info_code: Option, - } - impl ::core::fmt::Debug for DnsErrorPayload { - fn fmt(&self, f: &mut ::core::fmt::Formatter<'_>) -> ::core::fmt::Result { - f.debug_struct("DnsErrorPayload") - .field("rcode", &self.rcode) - .field("info-code", &self.info_code) - .finish() - } - } - /// Defines the case payload type for `TLS-alert-received` above: - #[derive(Clone)] - pub struct TlsAlertReceivedPayload { - pub alert_id: Option, - pub alert_message: Option<_rt::String>, - } - impl ::core::fmt::Debug for TlsAlertReceivedPayload { - fn fmt(&self, f: &mut ::core::fmt::Formatter<'_>) -> ::core::fmt::Result { - f.debug_struct("TlsAlertReceivedPayload") - .field("alert-id", &self.alert_id) - .field("alert-message", &self.alert_message) - .finish() - } - } - /// Defines the case payload type for `HTTP-response-{header,trailer}-size` above: - #[derive(Clone)] - pub struct FieldSizePayload { - pub field_name: Option<_rt::String>, - pub field_size: Option, - } - impl ::core::fmt::Debug for FieldSizePayload { - fn fmt(&self, f: &mut ::core::fmt::Formatter<'_>) -> ::core::fmt::Result { - f.debug_struct("FieldSizePayload") - .field("field-name", &self.field_name) - .field("field-size", &self.field_size) - .finish() - } - } - /// These cases are inspired by the IANA HTTP Proxy Error Types: - /// https://www.iana.org/assignments/http-proxy-status/http-proxy-status.xhtml#table-http-proxy-error-types - #[derive(Clone)] - pub enum ErrorCode { - DnsTimeout, - DnsError(DnsErrorPayload), - DestinationNotFound, - DestinationUnavailable, - DestinationIpProhibited, - DestinationIpUnroutable, - ConnectionRefused, - ConnectionTerminated, - ConnectionTimeout, - ConnectionReadTimeout, - ConnectionWriteTimeout, - ConnectionLimitReached, - TlsProtocolError, - TlsCertificateError, - TlsAlertReceived(TlsAlertReceivedPayload), - HttpRequestDenied, - HttpRequestLengthRequired, - HttpRequestBodySize(Option), - HttpRequestMethodInvalid, - HttpRequestUriInvalid, - HttpRequestUriTooLong, - HttpRequestHeaderSectionSize(Option), - HttpRequestHeaderSize(Option), - HttpRequestTrailerSectionSize(Option), - HttpRequestTrailerSize(FieldSizePayload), - HttpResponseIncomplete, - HttpResponseHeaderSectionSize(Option), - HttpResponseHeaderSize(FieldSizePayload), - HttpResponseBodySize(Option), - HttpResponseTrailerSectionSize(Option), - HttpResponseTrailerSize(FieldSizePayload), - HttpResponseTransferCoding(Option<_rt::String>), - HttpResponseContentCoding(Option<_rt::String>), - HttpResponseTimeout, - HttpUpgradeFailed, - HttpProtocolError, - LoopDetected, - ConfigurationError, - /// This is a catch-all error for anything that doesn't fit cleanly into a - /// more specific case. It also includes an optional string for an - /// unstructured description of the error. Users should not depend on the - /// string for diagnosing errors, as it's not required to be consistent - /// between implementations. - InternalError(Option<_rt::String>), - } - impl ::core::fmt::Debug for ErrorCode { - fn fmt(&self, f: &mut ::core::fmt::Formatter<'_>) -> ::core::fmt::Result { - match self { - ErrorCode::DnsTimeout => f.debug_tuple("ErrorCode::DnsTimeout").finish(), - ErrorCode::DnsError(e) => { - f.debug_tuple("ErrorCode::DnsError").field(e).finish() - } - ErrorCode::DestinationNotFound => { - f.debug_tuple("ErrorCode::DestinationNotFound").finish() - } - ErrorCode::DestinationUnavailable => { - f.debug_tuple("ErrorCode::DestinationUnavailable").finish() - } - ErrorCode::DestinationIpProhibited => { - f.debug_tuple("ErrorCode::DestinationIpProhibited").finish() - } - ErrorCode::DestinationIpUnroutable => { - f.debug_tuple("ErrorCode::DestinationIpUnroutable").finish() - } - ErrorCode::ConnectionRefused => { - f.debug_tuple("ErrorCode::ConnectionRefused").finish() - } - ErrorCode::ConnectionTerminated => { - f.debug_tuple("ErrorCode::ConnectionTerminated").finish() - } - ErrorCode::ConnectionTimeout => { - f.debug_tuple("ErrorCode::ConnectionTimeout").finish() - } - ErrorCode::ConnectionReadTimeout => { - f.debug_tuple("ErrorCode::ConnectionReadTimeout").finish() - } - ErrorCode::ConnectionWriteTimeout => { - f.debug_tuple("ErrorCode::ConnectionWriteTimeout").finish() - } - ErrorCode::ConnectionLimitReached => { - f.debug_tuple("ErrorCode::ConnectionLimitReached").finish() - } - ErrorCode::TlsProtocolError => { - f.debug_tuple("ErrorCode::TlsProtocolError").finish() - } - ErrorCode::TlsCertificateError => { - f.debug_tuple("ErrorCode::TlsCertificateError").finish() - } - ErrorCode::TlsAlertReceived(e) => f - .debug_tuple("ErrorCode::TlsAlertReceived") - .field(e) - .finish(), - ErrorCode::HttpRequestDenied => { - f.debug_tuple("ErrorCode::HttpRequestDenied").finish() - } - ErrorCode::HttpRequestLengthRequired => f - .debug_tuple("ErrorCode::HttpRequestLengthRequired") - .finish(), - ErrorCode::HttpRequestBodySize(e) => f - .debug_tuple("ErrorCode::HttpRequestBodySize") - .field(e) - .finish(), - ErrorCode::HttpRequestMethodInvalid => f - .debug_tuple("ErrorCode::HttpRequestMethodInvalid") - .finish(), - ErrorCode::HttpRequestUriInvalid => { - f.debug_tuple("ErrorCode::HttpRequestUriInvalid").finish() - } - ErrorCode::HttpRequestUriTooLong => { - f.debug_tuple("ErrorCode::HttpRequestUriTooLong").finish() - } - ErrorCode::HttpRequestHeaderSectionSize(e) => f - .debug_tuple("ErrorCode::HttpRequestHeaderSectionSize") - .field(e) - .finish(), - ErrorCode::HttpRequestHeaderSize(e) => f - .debug_tuple("ErrorCode::HttpRequestHeaderSize") - .field(e) - .finish(), - ErrorCode::HttpRequestTrailerSectionSize(e) => f - .debug_tuple("ErrorCode::HttpRequestTrailerSectionSize") - .field(e) - .finish(), - ErrorCode::HttpRequestTrailerSize(e) => f - .debug_tuple("ErrorCode::HttpRequestTrailerSize") - .field(e) - .finish(), - ErrorCode::HttpResponseIncomplete => { - f.debug_tuple("ErrorCode::HttpResponseIncomplete").finish() - } - ErrorCode::HttpResponseHeaderSectionSize(e) => f - .debug_tuple("ErrorCode::HttpResponseHeaderSectionSize") - .field(e) - .finish(), - ErrorCode::HttpResponseHeaderSize(e) => f - .debug_tuple("ErrorCode::HttpResponseHeaderSize") - .field(e) - .finish(), - ErrorCode::HttpResponseBodySize(e) => f - .debug_tuple("ErrorCode::HttpResponseBodySize") - .field(e) - .finish(), - ErrorCode::HttpResponseTrailerSectionSize(e) => f - .debug_tuple("ErrorCode::HttpResponseTrailerSectionSize") - .field(e) - .finish(), - ErrorCode::HttpResponseTrailerSize(e) => f - .debug_tuple("ErrorCode::HttpResponseTrailerSize") - .field(e) - .finish(), - ErrorCode::HttpResponseTransferCoding(e) => f - .debug_tuple("ErrorCode::HttpResponseTransferCoding") - .field(e) - .finish(), - ErrorCode::HttpResponseContentCoding(e) => f - .debug_tuple("ErrorCode::HttpResponseContentCoding") - .field(e) - .finish(), - ErrorCode::HttpResponseTimeout => { - f.debug_tuple("ErrorCode::HttpResponseTimeout").finish() - } - ErrorCode::HttpUpgradeFailed => { - f.debug_tuple("ErrorCode::HttpUpgradeFailed").finish() - } - ErrorCode::HttpProtocolError => { - f.debug_tuple("ErrorCode::HttpProtocolError").finish() - } - ErrorCode::LoopDetected => { - f.debug_tuple("ErrorCode::LoopDetected").finish() - } - ErrorCode::ConfigurationError => { - f.debug_tuple("ErrorCode::ConfigurationError").finish() - } - ErrorCode::InternalError(e) => { - f.debug_tuple("ErrorCode::InternalError").field(e).finish() - } - } - } - } - impl ::core::fmt::Display for ErrorCode { - fn fmt(&self, f: &mut ::core::fmt::Formatter<'_>) -> ::core::fmt::Result { - write!(f, "{:?}", self) - } - } - - impl std::error::Error for ErrorCode {} - /// This type enumerates the different kinds of errors that may occur when - /// setting or appending to a `fields` resource. - #[derive(Clone, Copy)] - pub enum HeaderError { - /// This error indicates that a `field-key` or `field-value` was - /// syntactically invalid when used with an operation that sets headers in a - /// `fields`. - InvalidSyntax, - /// This error indicates that a forbidden `field-key` was used when trying - /// to set a header in a `fields`. - Forbidden, - /// This error indicates that the operation on the `fields` was not - /// permitted because the fields are immutable. - Immutable, - } - impl ::core::fmt::Debug for HeaderError { - fn fmt(&self, f: &mut ::core::fmt::Formatter<'_>) -> ::core::fmt::Result { - match self { - HeaderError::InvalidSyntax => { - f.debug_tuple("HeaderError::InvalidSyntax").finish() - } - HeaderError::Forbidden => f.debug_tuple("HeaderError::Forbidden").finish(), - HeaderError::Immutable => f.debug_tuple("HeaderError::Immutable").finish(), - } - } - } - impl ::core::fmt::Display for HeaderError { - fn fmt(&self, f: &mut ::core::fmt::Formatter<'_>) -> ::core::fmt::Result { - write!(f, "{:?}", self) - } - } - - impl std::error::Error for HeaderError {} - /// Field keys are always strings. - pub type FieldKey = _rt::String; - /// Field values should always be ASCII strings. However, in - /// reality, HTTP implementations often have to interpret malformed values, - /// so they are provided as a list of bytes. - pub type FieldValue = _rt::Vec; - /// This following block defines the `fields` resource which corresponds to - /// HTTP standard Fields. Fields are a common representation used for both - /// Headers and Trailers. - /// - /// A `fields` may be mutable or immutable. A `fields` created using the - /// constructor, `from-list`, or `clone` will be mutable, but a `fields` - /// resource given by other means (including, but not limited to, - /// `incoming-request.headers`, `outgoing-request.headers`) might be be - /// immutable. In an immutable fields, the `set`, `append`, and `delete` - /// operations will fail with `header-error.immutable`. - - #[derive(Debug)] - #[repr(transparent)] - pub struct Fields { - handle: _rt::Resource, - } - - impl Fields { - #[doc(hidden)] - pub unsafe fn from_handle(handle: u32) -> Self { - Self { - handle: _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 Fields { - #[inline] - unsafe fn drop(_handle: u32) { - #[cfg(not(target_arch = "wasm32"))] - unreachable!(); - - #[cfg(target_arch = "wasm32")] - { - #[link(wasm_import_module = "wasi:http/types@0.2.0")] - extern "C" { - #[link_name = "[resource-drop]fields"] - fn drop(_: u32); - } - - drop(_handle); - } - } - } - - /// Headers is an alias for Fields. - pub type Headers = Fields; - /// Trailers is an alias for Fields. - pub type Trailers = Fields; - /// Represents an incoming HTTP Request. - - #[derive(Debug)] - #[repr(transparent)] - pub struct IncomingRequest { - handle: _rt::Resource, - } - - impl IncomingRequest { - #[doc(hidden)] - pub unsafe fn from_handle(handle: u32) -> Self { - Self { - handle: _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 IncomingRequest { - #[inline] - unsafe fn drop(_handle: u32) { - #[cfg(not(target_arch = "wasm32"))] - unreachable!(); - - #[cfg(target_arch = "wasm32")] - { - #[link(wasm_import_module = "wasi:http/types@0.2.0")] - extern "C" { - #[link_name = "[resource-drop]incoming-request"] - fn drop(_: u32); - } - - drop(_handle); - } - } - } - - /// Represents an outgoing HTTP Request. - - #[derive(Debug)] - #[repr(transparent)] - pub struct OutgoingRequest { - handle: _rt::Resource, - } - - impl OutgoingRequest { - #[doc(hidden)] - pub unsafe fn from_handle(handle: u32) -> Self { - Self { - handle: _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 OutgoingRequest { - #[inline] - unsafe fn drop(_handle: u32) { - #[cfg(not(target_arch = "wasm32"))] - unreachable!(); - - #[cfg(target_arch = "wasm32")] - { - #[link(wasm_import_module = "wasi:http/types@0.2.0")] - extern "C" { - #[link_name = "[resource-drop]outgoing-request"] - fn drop(_: u32); - } - - drop(_handle); - } - } - } - - /// Parameters for making an HTTP Request. Each of these parameters is - /// currently an optional timeout applicable to the transport layer of the - /// HTTP protocol. - /// - /// These timeouts are separate from any the user may use to bound a - /// blocking call to `wasi:io/poll.poll`. - - #[derive(Debug)] - #[repr(transparent)] - pub struct RequestOptions { - handle: _rt::Resource, - } - - impl RequestOptions { - #[doc(hidden)] - pub unsafe fn from_handle(handle: u32) -> Self { - Self { - handle: _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 RequestOptions { - #[inline] - unsafe fn drop(_handle: u32) { - #[cfg(not(target_arch = "wasm32"))] - unreachable!(); - - #[cfg(target_arch = "wasm32")] - { - #[link(wasm_import_module = "wasi:http/types@0.2.0")] - extern "C" { - #[link_name = "[resource-drop]request-options"] - fn drop(_: u32); - } - - drop(_handle); - } - } - } - - /// Represents the ability to send an HTTP Response. - /// - /// This resource is used by the `wasi:http/incoming-handler` interface to - /// allow a Response to be sent corresponding to the Request provided as the - /// other argument to `incoming-handler.handle`. - - #[derive(Debug)] - #[repr(transparent)] - pub struct ResponseOutparam { - handle: _rt::Resource, - } - - impl ResponseOutparam { - #[doc(hidden)] - pub unsafe fn from_handle(handle: u32) -> Self { - Self { - handle: _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 ResponseOutparam { - #[inline] - unsafe fn drop(_handle: u32) { - #[cfg(not(target_arch = "wasm32"))] - unreachable!(); - - #[cfg(target_arch = "wasm32")] - { - #[link(wasm_import_module = "wasi:http/types@0.2.0")] - extern "C" { - #[link_name = "[resource-drop]response-outparam"] - fn drop(_: u32); - } - - drop(_handle); - } - } - } - - /// This type corresponds to the HTTP standard Status Code. - pub type StatusCode = u16; - /// Represents an incoming HTTP Response. - - #[derive(Debug)] - #[repr(transparent)] - pub struct IncomingResponse { - handle: _rt::Resource, - } - - impl IncomingResponse { - #[doc(hidden)] - pub unsafe fn from_handle(handle: u32) -> Self { - Self { - handle: _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 IncomingResponse { - #[inline] - unsafe fn drop(_handle: u32) { - #[cfg(not(target_arch = "wasm32"))] - unreachable!(); - - #[cfg(target_arch = "wasm32")] - { - #[link(wasm_import_module = "wasi:http/types@0.2.0")] - extern "C" { - #[link_name = "[resource-drop]incoming-response"] - fn drop(_: u32); - } - - drop(_handle); - } - } - } - - /// Represents an incoming HTTP Request or Response's Body. - /// - /// A body has both its contents - a stream of bytes - and a (possibly - /// empty) set of trailers, indicating that the full contents of the - /// body have been received. This resource represents the contents as - /// an `input-stream` and the delivery of trailers as a `future-trailers`, - /// and ensures that the user of this interface may only be consuming either - /// the body contents or waiting on trailers at any given time. - - #[derive(Debug)] - #[repr(transparent)] - pub struct IncomingBody { - handle: _rt::Resource, - } - - impl IncomingBody { - #[doc(hidden)] - pub unsafe fn from_handle(handle: u32) -> Self { - Self { - handle: _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 IncomingBody { - #[inline] - unsafe fn drop(_handle: u32) { - #[cfg(not(target_arch = "wasm32"))] - unreachable!(); - - #[cfg(target_arch = "wasm32")] - { - #[link(wasm_import_module = "wasi:http/types@0.2.0")] - extern "C" { - #[link_name = "[resource-drop]incoming-body"] - fn drop(_: u32); - } - - drop(_handle); - } - } - } - - /// Represents a future which may eventaully return trailers, or an error. - /// - /// In the case that the incoming HTTP Request or Response did not have any - /// trailers, this future will resolve to the empty set of trailers once the - /// complete Request or Response body has been received. - - #[derive(Debug)] - #[repr(transparent)] - pub struct FutureTrailers { - handle: _rt::Resource, - } - - impl FutureTrailers { - #[doc(hidden)] - pub unsafe fn from_handle(handle: u32) -> Self { - Self { - handle: _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 FutureTrailers { - #[inline] - unsafe fn drop(_handle: u32) { - #[cfg(not(target_arch = "wasm32"))] - unreachable!(); - - #[cfg(target_arch = "wasm32")] - { - #[link(wasm_import_module = "wasi:http/types@0.2.0")] - extern "C" { - #[link_name = "[resource-drop]future-trailers"] - fn drop(_: u32); - } - - drop(_handle); - } - } - } - - /// Represents an outgoing HTTP Response. - - #[derive(Debug)] - #[repr(transparent)] - pub struct OutgoingResponse { - handle: _rt::Resource, - } - - impl OutgoingResponse { - #[doc(hidden)] - pub unsafe fn from_handle(handle: u32) -> Self { - Self { - handle: _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 OutgoingResponse { - #[inline] - unsafe fn drop(_handle: u32) { - #[cfg(not(target_arch = "wasm32"))] - unreachable!(); - - #[cfg(target_arch = "wasm32")] - { - #[link(wasm_import_module = "wasi:http/types@0.2.0")] - extern "C" { - #[link_name = "[resource-drop]outgoing-response"] - fn drop(_: u32); - } - - drop(_handle); - } - } - } - - /// Represents an outgoing HTTP Request or Response's Body. - /// - /// A body has both its contents - a stream of bytes - and a (possibly - /// empty) set of trailers, inducating the full contents of the body - /// have been sent. This resource represents the contents as an - /// `output-stream` child resource, and the completion of the body (with - /// optional trailers) with a static function that consumes the - /// `outgoing-body` resource, and ensures that the user of this interface - /// may not write to the body contents after the body has been finished. - /// - /// If the user code drops this resource, as opposed to calling the static - /// method `finish`, the implementation should treat the body as incomplete, - /// and that an error has occured. The implementation should propogate this - /// error to the HTTP protocol by whatever means it has available, - /// including: corrupting the body on the wire, aborting the associated - /// Request, or sending a late status code for the Response. - - #[derive(Debug)] - #[repr(transparent)] - pub struct OutgoingBody { - handle: _rt::Resource, - } - - impl OutgoingBody { - #[doc(hidden)] - pub unsafe fn from_handle(handle: u32) -> Self { - Self { - handle: _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 OutgoingBody { - #[inline] - unsafe fn drop(_handle: u32) { - #[cfg(not(target_arch = "wasm32"))] - unreachable!(); - - #[cfg(target_arch = "wasm32")] - { - #[link(wasm_import_module = "wasi:http/types@0.2.0")] - extern "C" { - #[link_name = "[resource-drop]outgoing-body"] - fn drop(_: u32); - } - - drop(_handle); - } - } - } - - /// Represents a future which may eventaully return an incoming HTTP - /// Response, or an error. - /// - /// This resource is returned by the `wasi:http/outgoing-handler` interface to - /// provide the HTTP Response corresponding to the sent Request. - - #[derive(Debug)] - #[repr(transparent)] - pub struct FutureIncomingResponse { - handle: _rt::Resource, - } - - impl FutureIncomingResponse { - #[doc(hidden)] - pub unsafe fn from_handle(handle: u32) -> Self { - Self { - handle: _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 FutureIncomingResponse { - #[inline] - unsafe fn drop(_handle: u32) { - #[cfg(not(target_arch = "wasm32"))] - unreachable!(); - - #[cfg(target_arch = "wasm32")] - { - #[link(wasm_import_module = "wasi:http/types@0.2.0")] - extern "C" { - #[link_name = "[resource-drop]future-incoming-response"] - fn drop(_: u32); - } - - drop(_handle); - } - } - } - - #[allow(unused_unsafe, clippy::all)] - /// Attempts to extract a http-related `error` from the wasi:io `error` - /// provided. - /// - /// Stream operations which return - /// `wasi:io/stream/stream-error::last-operation-failed` have a payload of - /// type `wasi:io/error/error` with more information about the operation - /// that failed. This payload can be passed through to this function to see - /// if there's http-related information about the error to return. - /// - /// Note that this function is fallible because not all io-errors are - /// http-related errors. - pub fn http_error_code(err: &IoError) -> Option { - unsafe { - #[repr(align(8))] - struct RetArea([::core::mem::MaybeUninit; 40]); - let mut ret_area = RetArea([::core::mem::MaybeUninit::uninit(); 40]); - let ptr0 = ret_area.0.as_mut_ptr().cast::(); - #[cfg(target_arch = "wasm32")] - #[link(wasm_import_module = "wasi:http/types@0.2.0")] - extern "C" { - #[link_name = "http-error-code"] - fn wit_import(_: i32, _: *mut u8); - } - - #[cfg(not(target_arch = "wasm32"))] - fn wit_import(_: i32, _: *mut u8) { - unreachable!() - } - wit_import((err).handle() as i32, ptr0); - let l1 = i32::from(*ptr0.add(0).cast::()); - match l1 { - 0 => None, - 1 => { - let e = { - let l2 = i32::from(*ptr0.add(8).cast::()); - let v64 = match l2 { - 0 => ErrorCode::DnsTimeout, - 1 => { - let e64 = { - let l3 = i32::from(*ptr0.add(16).cast::()); - let l7 = i32::from(*ptr0.add(28).cast::()); - - DnsErrorPayload { - rcode: match l3 { - 0 => None, - 1 => { - let e = { - let l4 = - *ptr0.add(20).cast::<*mut u8>(); - let l5 = *ptr0.add(24).cast::(); - let len6 = l5; - let bytes6 = _rt::Vec::from_raw_parts( - l4.cast(), - len6, - len6, - ); - - _rt::string_lift(bytes6) - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - }, - info_code: match l7 { - 0 => None, - 1 => { - let e = { - let l8 = i32::from( - *ptr0.add(30).cast::(), - ); - - l8 as u16 - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - }, - } - }; - ErrorCode::DnsError(e64) - } - 2 => ErrorCode::DestinationNotFound, - 3 => ErrorCode::DestinationUnavailable, - 4 => ErrorCode::DestinationIpProhibited, - 5 => ErrorCode::DestinationIpUnroutable, - 6 => ErrorCode::ConnectionRefused, - 7 => ErrorCode::ConnectionTerminated, - 8 => ErrorCode::ConnectionTimeout, - 9 => ErrorCode::ConnectionReadTimeout, - 10 => ErrorCode::ConnectionWriteTimeout, - 11 => ErrorCode::ConnectionLimitReached, - 12 => ErrorCode::TlsProtocolError, - 13 => ErrorCode::TlsCertificateError, - 14 => { - let e64 = { - let l9 = i32::from(*ptr0.add(16).cast::()); - let l11 = i32::from(*ptr0.add(20).cast::()); - - TlsAlertReceivedPayload { - alert_id: match l9 { - 0 => None, - 1 => { - let e = { - let l10 = i32::from( - *ptr0.add(17).cast::(), - ); - - l10 as u8 - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - }, - alert_message: match l11 { - 0 => None, - 1 => { - let e = { - let l12 = - *ptr0.add(24).cast::<*mut u8>(); - let l13 = *ptr0.add(28).cast::(); - let len14 = l13; - let bytes14 = _rt::Vec::from_raw_parts( - l12.cast(), - len14, - len14, - ); - - _rt::string_lift(bytes14) - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - }, - } - }; - ErrorCode::TlsAlertReceived(e64) - } - 15 => ErrorCode::HttpRequestDenied, - 16 => ErrorCode::HttpRequestLengthRequired, - 17 => { - let e64 = { - let l15 = i32::from(*ptr0.add(16).cast::()); - - match l15 { - 0 => None, - 1 => { - let e = { - let l16 = *ptr0.add(24).cast::(); - - l16 as u64 - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - } - }; - ErrorCode::HttpRequestBodySize(e64) - } - 18 => ErrorCode::HttpRequestMethodInvalid, - 19 => ErrorCode::HttpRequestUriInvalid, - 20 => ErrorCode::HttpRequestUriTooLong, - 21 => { - let e64 = { - let l17 = i32::from(*ptr0.add(16).cast::()); - - match l17 { - 0 => None, - 1 => { - let e = { - let l18 = *ptr0.add(20).cast::(); - - l18 as u32 - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - } - }; - ErrorCode::HttpRequestHeaderSectionSize(e64) - } - 22 => { - let e64 = { - let l19 = i32::from(*ptr0.add(16).cast::()); - - match l19 { - 0 => None, - 1 => { - let e = { - let l20 = - i32::from(*ptr0.add(20).cast::()); - let l24 = - i32::from(*ptr0.add(32).cast::()); - - FieldSizePayload { - field_name: match l20 { - 0 => None, - 1 => { - let e = { - let l21 = *ptr0 - .add(24) - .cast::<*mut u8>( - ); - let l22 = *ptr0 - .add(28) - .cast::(); - let len23 = l22; - let bytes23 = _rt::Vec::from_raw_parts(l21.cast(), len23, len23); - - _rt::string_lift(bytes23) - }; - Some(e) - } - _ => { - _rt::invalid_enum_discriminant() - } - }, - field_size: match l24 { - 0 => None, - 1 => { - let e = { - let l25 = *ptr0 - .add(36) - .cast::(); - - l25 as u32 - }; - Some(e) - } - _ => { - _rt::invalid_enum_discriminant() - } - }, - } - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - } - }; - ErrorCode::HttpRequestHeaderSize(e64) - } - 23 => { - let e64 = { - let l26 = i32::from(*ptr0.add(16).cast::()); - - match l26 { - 0 => None, - 1 => { - let e = { - let l27 = *ptr0.add(20).cast::(); - - l27 as u32 - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - } - }; - ErrorCode::HttpRequestTrailerSectionSize(e64) - } - 24 => { - let e64 = { - let l28 = i32::from(*ptr0.add(16).cast::()); - let l32 = i32::from(*ptr0.add(28).cast::()); - - FieldSizePayload { - field_name: match l28 { - 0 => None, - 1 => { - let e = { - let l29 = - *ptr0.add(20).cast::<*mut u8>(); - let l30 = *ptr0.add(24).cast::(); - let len31 = l30; - let bytes31 = _rt::Vec::from_raw_parts( - l29.cast(), - len31, - len31, - ); - - _rt::string_lift(bytes31) - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - }, - field_size: match l32 { - 0 => None, - 1 => { - let e = { - let l33 = *ptr0.add(32).cast::(); - - l33 as u32 - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - }, - } - }; - ErrorCode::HttpRequestTrailerSize(e64) - } - 25 => ErrorCode::HttpResponseIncomplete, - 26 => { - let e64 = { - let l34 = i32::from(*ptr0.add(16).cast::()); - - match l34 { - 0 => None, - 1 => { - let e = { - let l35 = *ptr0.add(20).cast::(); - - l35 as u32 - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - } - }; - ErrorCode::HttpResponseHeaderSectionSize(e64) - } - 27 => { - let e64 = { - let l36 = i32::from(*ptr0.add(16).cast::()); - let l40 = i32::from(*ptr0.add(28).cast::()); - - FieldSizePayload { - field_name: match l36 { - 0 => None, - 1 => { - let e = { - let l37 = - *ptr0.add(20).cast::<*mut u8>(); - let l38 = *ptr0.add(24).cast::(); - let len39 = l38; - let bytes39 = _rt::Vec::from_raw_parts( - l37.cast(), - len39, - len39, - ); - - _rt::string_lift(bytes39) - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - }, - field_size: match l40 { - 0 => None, - 1 => { - let e = { - let l41 = *ptr0.add(32).cast::(); - - l41 as u32 - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - }, - } - }; - ErrorCode::HttpResponseHeaderSize(e64) - } - 28 => { - let e64 = { - let l42 = i32::from(*ptr0.add(16).cast::()); - - match l42 { - 0 => None, - 1 => { - let e = { - let l43 = *ptr0.add(24).cast::(); - - l43 as u64 - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - } - }; - ErrorCode::HttpResponseBodySize(e64) - } - 29 => { - let e64 = { - let l44 = i32::from(*ptr0.add(16).cast::()); - - match l44 { - 0 => None, - 1 => { - let e = { - let l45 = *ptr0.add(20).cast::(); - - l45 as u32 - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - } - }; - ErrorCode::HttpResponseTrailerSectionSize(e64) - } - 30 => { - let e64 = { - let l46 = i32::from(*ptr0.add(16).cast::()); - let l50 = i32::from(*ptr0.add(28).cast::()); - - FieldSizePayload { - field_name: match l46 { - 0 => None, - 1 => { - let e = { - let l47 = - *ptr0.add(20).cast::<*mut u8>(); - let l48 = *ptr0.add(24).cast::(); - let len49 = l48; - let bytes49 = _rt::Vec::from_raw_parts( - l47.cast(), - len49, - len49, - ); - - _rt::string_lift(bytes49) - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - }, - field_size: match l50 { - 0 => None, - 1 => { - let e = { - let l51 = *ptr0.add(32).cast::(); - - l51 as u32 - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - }, - } - }; - ErrorCode::HttpResponseTrailerSize(e64) - } - 31 => { - let e64 = { - let l52 = i32::from(*ptr0.add(16).cast::()); - - match l52 { - 0 => None, - 1 => { - let e = { - let l53 = *ptr0.add(20).cast::<*mut u8>(); - let l54 = *ptr0.add(24).cast::(); - let len55 = l54; - let bytes55 = _rt::Vec::from_raw_parts( - l53.cast(), - len55, - len55, - ); - - _rt::string_lift(bytes55) - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - } - }; - ErrorCode::HttpResponseTransferCoding(e64) - } - 32 => { - let e64 = { - let l56 = i32::from(*ptr0.add(16).cast::()); - - match l56 { - 0 => None, - 1 => { - let e = { - let l57 = *ptr0.add(20).cast::<*mut u8>(); - let l58 = *ptr0.add(24).cast::(); - let len59 = l58; - let bytes59 = _rt::Vec::from_raw_parts( - l57.cast(), - len59, - len59, - ); - - _rt::string_lift(bytes59) - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - } - }; - ErrorCode::HttpResponseContentCoding(e64) - } - 33 => ErrorCode::HttpResponseTimeout, - 34 => ErrorCode::HttpUpgradeFailed, - 35 => ErrorCode::HttpProtocolError, - 36 => ErrorCode::LoopDetected, - 37 => ErrorCode::ConfigurationError, - n => { - debug_assert_eq!(n, 38, "invalid enum discriminant"); - let e64 = { - let l60 = i32::from(*ptr0.add(16).cast::()); - - match l60 { - 0 => None, - 1 => { - let e = { - let l61 = *ptr0.add(20).cast::<*mut u8>(); - let l62 = *ptr0.add(24).cast::(); - let len63 = l62; - let bytes63 = _rt::Vec::from_raw_parts( - l61.cast(), - len63, - len63, - ); - - _rt::string_lift(bytes63) - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - } - }; - ErrorCode::InternalError(e64) - } - }; - - v64 - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - } - } - } - impl Fields { - #[allow(unused_unsafe, clippy::all)] - /// Construct an empty HTTP Fields. - /// - /// The resulting `fields` is mutable. - pub fn new() -> Self { - unsafe { - #[cfg(target_arch = "wasm32")] - #[link(wasm_import_module = "wasi:http/types@0.2.0")] - extern "C" { - #[link_name = "[constructor]fields"] - fn wit_import() -> i32; - } - - #[cfg(not(target_arch = "wasm32"))] - fn wit_import() -> i32 { - unreachable!() - } - let ret = wit_import(); - Fields::from_handle(ret as u32) - } - } - } - impl Fields { - #[allow(unused_unsafe, clippy::all)] - /// Construct an HTTP Fields. - /// - /// The resulting `fields` is mutable. - /// - /// The list represents each key-value pair in the Fields. Keys - /// which have multiple values are represented by multiple entries in this - /// list with the same key. - /// - /// The tuple is a pair of the field key, represented as a string, and - /// Value, represented as a list of bytes. - /// - /// An error result will be returned if any `field-key` or `field-value` is - /// syntactically invalid, or if a field is forbidden. - pub fn from_list( - entries: &[(FieldKey, FieldValue)], - ) -> Result { - unsafe { - #[repr(align(4))] - struct RetArea([::core::mem::MaybeUninit; 8]); - let mut ret_area = RetArea([::core::mem::MaybeUninit::uninit(); 8]); - let vec3 = entries; - let len3 = vec3.len(); - let layout3 = - _rt::alloc::Layout::from_size_align_unchecked(vec3.len() * 16, 4); - let result3 = if layout3.size() != 0 { - let ptr = _rt::alloc::alloc(layout3).cast::(); - if ptr.is_null() { - _rt::alloc::handle_alloc_error(layout3); - } - ptr - } else { - { - ::core::ptr::null_mut() - } - }; - for (i, e) in vec3.into_iter().enumerate() { - let base = result3.add(i * 16); - { - let (t0_0, t0_1) = e; - let vec1 = t0_0; - let ptr1 = vec1.as_ptr().cast::(); - let len1 = vec1.len(); - *base.add(4).cast::() = len1; - *base.add(0).cast::<*mut u8>() = ptr1.cast_mut(); - let vec2 = t0_1; - let ptr2 = vec2.as_ptr().cast::(); - let len2 = vec2.len(); - *base.add(12).cast::() = len2; - *base.add(8).cast::<*mut u8>() = ptr2.cast_mut(); - } - } - let ptr4 = ret_area.0.as_mut_ptr().cast::(); - #[cfg(target_arch = "wasm32")] - #[link(wasm_import_module = "wasi:http/types@0.2.0")] - extern "C" { - #[link_name = "[static]fields.from-list"] - fn wit_import(_: *mut u8, _: usize, _: *mut u8); - } - - #[cfg(not(target_arch = "wasm32"))] - fn wit_import(_: *mut u8, _: usize, _: *mut u8) { - unreachable!() - } - wit_import(result3, len3, ptr4); - let l5 = i32::from(*ptr4.add(0).cast::()); - if layout3.size() != 0 { - _rt::alloc::dealloc(result3.cast(), layout3); - } - match l5 { - 0 => { - let e = { - let l6 = *ptr4.add(4).cast::(); - - Fields::from_handle(l6 as u32) - }; - Ok(e) - } - 1 => { - let e = { - let l7 = i32::from(*ptr4.add(4).cast::()); - let v8 = match l7 { - 0 => HeaderError::InvalidSyntax, - 1 => HeaderError::Forbidden, - n => { - debug_assert_eq!(n, 2, "invalid enum discriminant"); - HeaderError::Immutable - } - }; - - v8 - }; - Err(e) - } - _ => _rt::invalid_enum_discriminant(), - } - } - } - } - impl Fields { - #[allow(unused_unsafe, clippy::all)] - /// Get all of the values corresponding to a key. If the key is not present - /// in this `fields` or is syntactically invalid, an empty list is returned. - /// However, if the key is present but empty, this is represented by a list - /// with one or more empty field-values present. - pub fn get(&self, name: &FieldKey) -> _rt::Vec { - unsafe { - #[repr(align(4))] - struct RetArea([::core::mem::MaybeUninit; 8]); - let mut ret_area = RetArea([::core::mem::MaybeUninit::uninit(); 8]); - let vec0 = name; - let ptr0 = vec0.as_ptr().cast::(); - let len0 = vec0.len(); - let ptr1 = ret_area.0.as_mut_ptr().cast::(); - #[cfg(target_arch = "wasm32")] - #[link(wasm_import_module = "wasi:http/types@0.2.0")] - extern "C" { - #[link_name = "[method]fields.get"] - fn wit_import(_: i32, _: *mut u8, _: usize, _: *mut u8); - } - - #[cfg(not(target_arch = "wasm32"))] - fn wit_import(_: i32, _: *mut u8, _: usize, _: *mut u8) { - unreachable!() - } - wit_import((self).handle() as i32, ptr0.cast_mut(), len0, ptr1); - let l2 = *ptr1.add(0).cast::<*mut u8>(); - let l3 = *ptr1.add(4).cast::(); - let base7 = l2; - let len7 = l3; - let mut result7 = _rt::Vec::with_capacity(len7); - for i in 0..len7 { - let base = base7.add(i * 8); - let e7 = { - let l4 = *base.add(0).cast::<*mut u8>(); - let l5 = *base.add(4).cast::(); - let len6 = l5; - - _rt::Vec::from_raw_parts(l4.cast(), len6, len6) - }; - result7.push(e7); - } - _rt::cabi_dealloc(base7, len7 * 8, 4); - result7 - } - } - } - impl Fields { - #[allow(unused_unsafe, clippy::all)] - /// Returns `true` when the key is present in this `fields`. If the key is - /// syntactically invalid, `false` is returned. - pub fn has(&self, name: &FieldKey) -> bool { - unsafe { - let vec0 = name; - let ptr0 = vec0.as_ptr().cast::(); - let len0 = vec0.len(); - - #[cfg(target_arch = "wasm32")] - #[link(wasm_import_module = "wasi:http/types@0.2.0")] - extern "C" { - #[link_name = "[method]fields.has"] - fn wit_import(_: i32, _: *mut u8, _: usize) -> i32; - } - - #[cfg(not(target_arch = "wasm32"))] - fn wit_import(_: i32, _: *mut u8, _: usize) -> i32 { - unreachable!() - } - let ret = wit_import((self).handle() as i32, ptr0.cast_mut(), len0); - _rt::bool_lift(ret as u8) - } - } - } - impl Fields { - #[allow(unused_unsafe, clippy::all)] - /// Set all of the values for a key. Clears any existing values for that - /// key, if they have been set. - /// - /// Fails with `header-error.immutable` if the `fields` are immutable. - /// - /// Fails with `header-error.invalid-syntax` if the `field-key` or any of - /// the `field-value`s are syntactically invalid. - pub fn set( - &self, - name: &FieldKey, - value: &[FieldValue], - ) -> Result<(), HeaderError> { - unsafe { - #[repr(align(1))] - struct RetArea([::core::mem::MaybeUninit; 2]); - let mut ret_area = RetArea([::core::mem::MaybeUninit::uninit(); 2]); - let vec0 = name; - let ptr0 = vec0.as_ptr().cast::(); - let len0 = vec0.len(); - let vec2 = value; - let len2 = vec2.len(); - let layout2 = - _rt::alloc::Layout::from_size_align_unchecked(vec2.len() * 8, 4); - let result2 = if layout2.size() != 0 { - let ptr = _rt::alloc::alloc(layout2).cast::(); - if ptr.is_null() { - _rt::alloc::handle_alloc_error(layout2); - } - ptr - } else { - { - ::core::ptr::null_mut() - } - }; - for (i, e) in vec2.into_iter().enumerate() { - let base = result2.add(i * 8); - { - let vec1 = e; - let ptr1 = vec1.as_ptr().cast::(); - let len1 = vec1.len(); - *base.add(4).cast::() = len1; - *base.add(0).cast::<*mut u8>() = ptr1.cast_mut(); - } - } - let ptr3 = ret_area.0.as_mut_ptr().cast::(); - #[cfg(target_arch = "wasm32")] - #[link(wasm_import_module = "wasi:http/types@0.2.0")] - extern "C" { - #[link_name = "[method]fields.set"] - fn wit_import( - _: i32, - _: *mut u8, - _: usize, - _: *mut u8, - _: usize, - _: *mut u8, - ); - } - - #[cfg(not(target_arch = "wasm32"))] - fn wit_import( - _: i32, - _: *mut u8, - _: usize, - _: *mut u8, - _: usize, - _: *mut u8, - ) { - unreachable!() - } - wit_import( - (self).handle() as i32, - ptr0.cast_mut(), - len0, - result2, - len2, - ptr3, - ); - let l4 = i32::from(*ptr3.add(0).cast::()); - if layout2.size() != 0 { - _rt::alloc::dealloc(result2.cast(), layout2); - } - match l4 { - 0 => { - let e = (); - Ok(e) - } - 1 => { - let e = { - let l5 = i32::from(*ptr3.add(1).cast::()); - let v6 = match l5 { - 0 => HeaderError::InvalidSyntax, - 1 => HeaderError::Forbidden, - n => { - debug_assert_eq!(n, 2, "invalid enum discriminant"); - HeaderError::Immutable - } - }; - - v6 - }; - Err(e) - } - _ => _rt::invalid_enum_discriminant(), - } - } - } - } - impl Fields { - #[allow(unused_unsafe, clippy::all)] - /// Delete all values for a key. Does nothing if no values for the key - /// exist. - /// - /// Fails with `header-error.immutable` if the `fields` are immutable. - /// - /// Fails with `header-error.invalid-syntax` if the `field-key` is - /// syntactically invalid. - pub fn delete(&self, name: &FieldKey) -> Result<(), HeaderError> { - unsafe { - #[repr(align(1))] - struct RetArea([::core::mem::MaybeUninit; 2]); - let mut ret_area = RetArea([::core::mem::MaybeUninit::uninit(); 2]); - let vec0 = name; - let ptr0 = vec0.as_ptr().cast::(); - let len0 = vec0.len(); - let ptr1 = ret_area.0.as_mut_ptr().cast::(); - #[cfg(target_arch = "wasm32")] - #[link(wasm_import_module = "wasi:http/types@0.2.0")] - extern "C" { - #[link_name = "[method]fields.delete"] - fn wit_import(_: i32, _: *mut u8, _: usize, _: *mut u8); - } - - #[cfg(not(target_arch = "wasm32"))] - fn wit_import(_: i32, _: *mut u8, _: usize, _: *mut u8) { - unreachable!() - } - wit_import((self).handle() as i32, ptr0.cast_mut(), len0, ptr1); - let l2 = i32::from(*ptr1.add(0).cast::()); - match l2 { - 0 => { - let e = (); - Ok(e) - } - 1 => { - let e = { - let l3 = i32::from(*ptr1.add(1).cast::()); - let v4 = match l3 { - 0 => HeaderError::InvalidSyntax, - 1 => HeaderError::Forbidden, - n => { - debug_assert_eq!(n, 2, "invalid enum discriminant"); - HeaderError::Immutable - } - }; - - v4 - }; - Err(e) - } - _ => _rt::invalid_enum_discriminant(), - } - } - } - } - impl Fields { - #[allow(unused_unsafe, clippy::all)] - /// Append a value for a key. Does not change or delete any existing - /// values for that key. - /// - /// Fails with `header-error.immutable` if the `fields` are immutable. - /// - /// Fails with `header-error.invalid-syntax` if the `field-key` or - /// `field-value` are syntactically invalid. - pub fn append( - &self, - name: &FieldKey, - value: &FieldValue, - ) -> Result<(), HeaderError> { - unsafe { - #[repr(align(1))] - struct RetArea([::core::mem::MaybeUninit; 2]); - let mut ret_area = RetArea([::core::mem::MaybeUninit::uninit(); 2]); - let vec0 = name; - let ptr0 = vec0.as_ptr().cast::(); - let len0 = vec0.len(); - let vec1 = value; - let ptr1 = vec1.as_ptr().cast::(); - let len1 = vec1.len(); - let ptr2 = ret_area.0.as_mut_ptr().cast::(); - #[cfg(target_arch = "wasm32")] - #[link(wasm_import_module = "wasi:http/types@0.2.0")] - extern "C" { - #[link_name = "[method]fields.append"] - fn wit_import( - _: i32, - _: *mut u8, - _: usize, - _: *mut u8, - _: usize, - _: *mut u8, - ); - } - - #[cfg(not(target_arch = "wasm32"))] - fn wit_import( - _: i32, - _: *mut u8, - _: usize, - _: *mut u8, - _: usize, - _: *mut u8, - ) { - unreachable!() - } - wit_import( - (self).handle() as i32, - ptr0.cast_mut(), - len0, - ptr1.cast_mut(), - len1, - ptr2, - ); - let l3 = i32::from(*ptr2.add(0).cast::()); - match l3 { - 0 => { - let e = (); - Ok(e) - } - 1 => { - let e = { - let l4 = i32::from(*ptr2.add(1).cast::()); - let v5 = match l4 { - 0 => HeaderError::InvalidSyntax, - 1 => HeaderError::Forbidden, - n => { - debug_assert_eq!(n, 2, "invalid enum discriminant"); - HeaderError::Immutable - } - }; - - v5 - }; - Err(e) - } - _ => _rt::invalid_enum_discriminant(), - } - } - } - } - impl Fields { - #[allow(unused_unsafe, clippy::all)] - /// Retrieve the full set of keys and values in the Fields. Like the - /// constructor, the list represents each key-value pair. - /// - /// The outer list represents each key-value pair in the Fields. Keys - /// which have multiple values are represented by multiple entries in this - /// list with the same key. - pub fn entries(&self) -> _rt::Vec<(FieldKey, FieldValue)> { - unsafe { - #[repr(align(4))] - struct RetArea([::core::mem::MaybeUninit; 8]); - let mut ret_area = RetArea([::core::mem::MaybeUninit::uninit(); 8]); - let ptr0 = ret_area.0.as_mut_ptr().cast::(); - #[cfg(target_arch = "wasm32")] - #[link(wasm_import_module = "wasi:http/types@0.2.0")] - extern "C" { - #[link_name = "[method]fields.entries"] - fn wit_import(_: i32, _: *mut u8); - } - - #[cfg(not(target_arch = "wasm32"))] - fn wit_import(_: i32, _: *mut u8) { - unreachable!() - } - wit_import((self).handle() as i32, ptr0); - let l1 = *ptr0.add(0).cast::<*mut u8>(); - let l2 = *ptr0.add(4).cast::(); - let base9 = l1; - let len9 = l2; - let mut result9 = _rt::Vec::with_capacity(len9); - for i in 0..len9 { - let base = base9.add(i * 16); - let e9 = { - let l3 = *base.add(0).cast::<*mut u8>(); - let l4 = *base.add(4).cast::(); - let len5 = l4; - let bytes5 = _rt::Vec::from_raw_parts(l3.cast(), len5, len5); - let l6 = *base.add(8).cast::<*mut u8>(); - let l7 = *base.add(12).cast::(); - let len8 = l7; - - ( - _rt::string_lift(bytes5), - _rt::Vec::from_raw_parts(l6.cast(), len8, len8), - ) - }; - result9.push(e9); - } - _rt::cabi_dealloc(base9, len9 * 16, 4); - result9 - } - } - } - impl Fields { - #[allow(unused_unsafe, clippy::all)] - /// Make a deep copy of the Fields. Equivelant in behavior to calling the - /// `fields` constructor on the return value of `entries`. The resulting - /// `fields` is mutable. - pub fn clone(&self) -> Fields { - unsafe { - #[cfg(target_arch = "wasm32")] - #[link(wasm_import_module = "wasi:http/types@0.2.0")] - extern "C" { - #[link_name = "[method]fields.clone"] - fn wit_import(_: i32) -> i32; - } - - #[cfg(not(target_arch = "wasm32"))] - fn wit_import(_: i32) -> i32 { - unreachable!() - } - let ret = wit_import((self).handle() as i32); - Fields::from_handle(ret as u32) - } - } - } - impl IncomingRequest { - #[allow(unused_unsafe, clippy::all)] - /// Returns the method of the incoming request. - pub fn method(&self) -> Method { - unsafe { - #[repr(align(4))] - struct RetArea([::core::mem::MaybeUninit; 12]); - let mut ret_area = RetArea([::core::mem::MaybeUninit::uninit(); 12]); - let ptr0 = ret_area.0.as_mut_ptr().cast::(); - #[cfg(target_arch = "wasm32")] - #[link(wasm_import_module = "wasi:http/types@0.2.0")] - extern "C" { - #[link_name = "[method]incoming-request.method"] - fn wit_import(_: i32, _: *mut u8); - } - - #[cfg(not(target_arch = "wasm32"))] - fn wit_import(_: i32, _: *mut u8) { - unreachable!() - } - wit_import((self).handle() as i32, ptr0); - let l1 = i32::from(*ptr0.add(0).cast::()); - let v5 = match l1 { - 0 => Method::Get, - 1 => Method::Head, - 2 => Method::Post, - 3 => Method::Put, - 4 => Method::Delete, - 5 => Method::Connect, - 6 => Method::Options, - 7 => Method::Trace, - 8 => Method::Patch, - n => { - debug_assert_eq!(n, 9, "invalid enum discriminant"); - let e5 = { - let l2 = *ptr0.add(4).cast::<*mut u8>(); - let l3 = *ptr0.add(8).cast::(); - let len4 = l3; - let bytes4 = _rt::Vec::from_raw_parts(l2.cast(), len4, len4); - - _rt::string_lift(bytes4) - }; - Method::Other(e5) - } - }; - v5 - } - } - } - impl IncomingRequest { - #[allow(unused_unsafe, clippy::all)] - /// Returns the path with query parameters from the request, as a string. - pub fn path_with_query(&self) -> Option<_rt::String> { - unsafe { - #[repr(align(4))] - struct RetArea([::core::mem::MaybeUninit; 12]); - let mut ret_area = RetArea([::core::mem::MaybeUninit::uninit(); 12]); - let ptr0 = ret_area.0.as_mut_ptr().cast::(); - #[cfg(target_arch = "wasm32")] - #[link(wasm_import_module = "wasi:http/types@0.2.0")] - extern "C" { - #[link_name = "[method]incoming-request.path-with-query"] - fn wit_import(_: i32, _: *mut u8); - } - - #[cfg(not(target_arch = "wasm32"))] - fn wit_import(_: i32, _: *mut u8) { - unreachable!() - } - wit_import((self).handle() as i32, ptr0); - let l1 = i32::from(*ptr0.add(0).cast::()); - match l1 { - 0 => None, - 1 => { - let e = { - let l2 = *ptr0.add(4).cast::<*mut u8>(); - let l3 = *ptr0.add(8).cast::(); - let len4 = l3; - let bytes4 = _rt::Vec::from_raw_parts(l2.cast(), len4, len4); - - _rt::string_lift(bytes4) - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - } - } - } - } - impl IncomingRequest { - #[allow(unused_unsafe, clippy::all)] - /// Returns the protocol scheme from the request. - pub fn scheme(&self) -> Option { - unsafe { - #[repr(align(4))] - struct RetArea([::core::mem::MaybeUninit; 16]); - let mut ret_area = RetArea([::core::mem::MaybeUninit::uninit(); 16]); - let ptr0 = ret_area.0.as_mut_ptr().cast::(); - #[cfg(target_arch = "wasm32")] - #[link(wasm_import_module = "wasi:http/types@0.2.0")] - extern "C" { - #[link_name = "[method]incoming-request.scheme"] - fn wit_import(_: i32, _: *mut u8); - } - - #[cfg(not(target_arch = "wasm32"))] - fn wit_import(_: i32, _: *mut u8) { - unreachable!() - } - wit_import((self).handle() as i32, ptr0); - let l1 = i32::from(*ptr0.add(0).cast::()); - match l1 { - 0 => None, - 1 => { - let e = { - let l2 = i32::from(*ptr0.add(4).cast::()); - let v6 = match l2 { - 0 => Scheme::Http, - 1 => Scheme::Https, - n => { - debug_assert_eq!(n, 2, "invalid enum discriminant"); - let e6 = { - let l3 = *ptr0.add(8).cast::<*mut u8>(); - let l4 = *ptr0.add(12).cast::(); - let len5 = l4; - let bytes5 = - _rt::Vec::from_raw_parts(l3.cast(), len5, len5); - - _rt::string_lift(bytes5) - }; - Scheme::Other(e6) - } - }; - - v6 - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - } - } - } - } - impl IncomingRequest { - #[allow(unused_unsafe, clippy::all)] - /// Returns the authority from the request, if it was present. - pub fn authority(&self) -> Option<_rt::String> { - unsafe { - #[repr(align(4))] - struct RetArea([::core::mem::MaybeUninit; 12]); - let mut ret_area = RetArea([::core::mem::MaybeUninit::uninit(); 12]); - let ptr0 = ret_area.0.as_mut_ptr().cast::(); - #[cfg(target_arch = "wasm32")] - #[link(wasm_import_module = "wasi:http/types@0.2.0")] - extern "C" { - #[link_name = "[method]incoming-request.authority"] - fn wit_import(_: i32, _: *mut u8); - } - - #[cfg(not(target_arch = "wasm32"))] - fn wit_import(_: i32, _: *mut u8) { - unreachable!() - } - wit_import((self).handle() as i32, ptr0); - let l1 = i32::from(*ptr0.add(0).cast::()); - match l1 { - 0 => None, - 1 => { - let e = { - let l2 = *ptr0.add(4).cast::<*mut u8>(); - let l3 = *ptr0.add(8).cast::(); - let len4 = l3; - let bytes4 = _rt::Vec::from_raw_parts(l2.cast(), len4, len4); - - _rt::string_lift(bytes4) - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - } - } - } - } - impl IncomingRequest { - #[allow(unused_unsafe, clippy::all)] - /// Get the `headers` associated with the request. - /// - /// The returned `headers` resource is immutable: `set`, `append`, and - /// `delete` operations will fail with `header-error.immutable`. - /// - /// The `headers` returned are a child resource: it must be dropped before - /// the parent `incoming-request` is dropped. Dropping this - /// `incoming-request` before all children are dropped will trap. - pub fn headers(&self) -> Headers { - unsafe { - #[cfg(target_arch = "wasm32")] - #[link(wasm_import_module = "wasi:http/types@0.2.0")] - extern "C" { - #[link_name = "[method]incoming-request.headers"] - fn wit_import(_: i32) -> i32; - } - - #[cfg(not(target_arch = "wasm32"))] - fn wit_import(_: i32) -> i32 { - unreachable!() - } - let ret = wit_import((self).handle() as i32); - Fields::from_handle(ret as u32) - } - } - } - impl IncomingRequest { - #[allow(unused_unsafe, clippy::all)] - /// Gives the `incoming-body` associated with this request. Will only - /// return success at most once, and subsequent calls will return error. - pub fn consume(&self) -> Result { - unsafe { - #[repr(align(4))] - struct RetArea([::core::mem::MaybeUninit; 8]); - let mut ret_area = RetArea([::core::mem::MaybeUninit::uninit(); 8]); - let ptr0 = ret_area.0.as_mut_ptr().cast::(); - #[cfg(target_arch = "wasm32")] - #[link(wasm_import_module = "wasi:http/types@0.2.0")] - extern "C" { - #[link_name = "[method]incoming-request.consume"] - fn wit_import(_: i32, _: *mut u8); - } - - #[cfg(not(target_arch = "wasm32"))] - fn wit_import(_: i32, _: *mut u8) { - unreachable!() - } - wit_import((self).handle() as i32, ptr0); - let l1 = i32::from(*ptr0.add(0).cast::()); - match l1 { - 0 => { - let e = { - let l2 = *ptr0.add(4).cast::(); - - IncomingBody::from_handle(l2 as u32) - }; - Ok(e) - } - 1 => { - let e = (); - Err(e) - } - _ => _rt::invalid_enum_discriminant(), - } - } - } - } - impl OutgoingRequest { - #[allow(unused_unsafe, clippy::all)] - /// Construct a new `outgoing-request` with a default `method` of `GET`, and - /// `none` values for `path-with-query`, `scheme`, and `authority`. - /// - /// * `headers` is the HTTP Headers for the Request. - /// - /// It is possible to construct, or manipulate with the accessor functions - /// below, an `outgoing-request` with an invalid combination of `scheme` - /// and `authority`, or `headers` which are not permitted to be sent. - /// It is the obligation of the `outgoing-handler.handle` implementation - /// to reject invalid constructions of `outgoing-request`. - pub fn new(headers: Headers) -> Self { - unsafe { - #[cfg(target_arch = "wasm32")] - #[link(wasm_import_module = "wasi:http/types@0.2.0")] - extern "C" { - #[link_name = "[constructor]outgoing-request"] - fn wit_import(_: i32) -> i32; - } - - #[cfg(not(target_arch = "wasm32"))] - fn wit_import(_: i32) -> i32 { - unreachable!() - } - let ret = wit_import((&headers).take_handle() as i32); - OutgoingRequest::from_handle(ret as u32) - } - } - } - impl OutgoingRequest { - #[allow(unused_unsafe, clippy::all)] - /// Returns the resource corresponding to the outgoing Body for this - /// Request. - /// - /// Returns success on the first call: the `outgoing-body` resource for - /// this `outgoing-request` can be retrieved at most once. Subsequent - /// calls will return error. - pub fn body(&self) -> Result { - unsafe { - #[repr(align(4))] - struct RetArea([::core::mem::MaybeUninit; 8]); - let mut ret_area = RetArea([::core::mem::MaybeUninit::uninit(); 8]); - let ptr0 = ret_area.0.as_mut_ptr().cast::(); - #[cfg(target_arch = "wasm32")] - #[link(wasm_import_module = "wasi:http/types@0.2.0")] - extern "C" { - #[link_name = "[method]outgoing-request.body"] - fn wit_import(_: i32, _: *mut u8); - } - - #[cfg(not(target_arch = "wasm32"))] - fn wit_import(_: i32, _: *mut u8) { - unreachable!() - } - wit_import((self).handle() as i32, ptr0); - let l1 = i32::from(*ptr0.add(0).cast::()); - match l1 { - 0 => { - let e = { - let l2 = *ptr0.add(4).cast::(); - - OutgoingBody::from_handle(l2 as u32) - }; - Ok(e) - } - 1 => { - let e = (); - Err(e) - } - _ => _rt::invalid_enum_discriminant(), - } - } - } - } - impl OutgoingRequest { - #[allow(unused_unsafe, clippy::all)] - /// Get the Method for the Request. - pub fn method(&self) -> Method { - unsafe { - #[repr(align(4))] - struct RetArea([::core::mem::MaybeUninit; 12]); - let mut ret_area = RetArea([::core::mem::MaybeUninit::uninit(); 12]); - let ptr0 = ret_area.0.as_mut_ptr().cast::(); - #[cfg(target_arch = "wasm32")] - #[link(wasm_import_module = "wasi:http/types@0.2.0")] - extern "C" { - #[link_name = "[method]outgoing-request.method"] - fn wit_import(_: i32, _: *mut u8); - } - - #[cfg(not(target_arch = "wasm32"))] - fn wit_import(_: i32, _: *mut u8) { - unreachable!() - } - wit_import((self).handle() as i32, ptr0); - let l1 = i32::from(*ptr0.add(0).cast::()); - let v5 = match l1 { - 0 => Method::Get, - 1 => Method::Head, - 2 => Method::Post, - 3 => Method::Put, - 4 => Method::Delete, - 5 => Method::Connect, - 6 => Method::Options, - 7 => Method::Trace, - 8 => Method::Patch, - n => { - debug_assert_eq!(n, 9, "invalid enum discriminant"); - let e5 = { - let l2 = *ptr0.add(4).cast::<*mut u8>(); - let l3 = *ptr0.add(8).cast::(); - let len4 = l3; - let bytes4 = _rt::Vec::from_raw_parts(l2.cast(), len4, len4); - - _rt::string_lift(bytes4) - }; - Method::Other(e5) - } - }; - v5 - } - } - } - impl OutgoingRequest { - #[allow(unused_unsafe, clippy::all)] - /// Set the Method for the Request. Fails if the string present in a - /// `method.other` argument is not a syntactically valid method. - pub fn set_method(&self, method: &Method) -> Result<(), ()> { - unsafe { - let (result1_0, result1_1, result1_2) = match method { - Method::Get => (0i32, ::core::ptr::null_mut(), 0usize), - Method::Head => (1i32, ::core::ptr::null_mut(), 0usize), - Method::Post => (2i32, ::core::ptr::null_mut(), 0usize), - Method::Put => (3i32, ::core::ptr::null_mut(), 0usize), - Method::Delete => (4i32, ::core::ptr::null_mut(), 0usize), - Method::Connect => (5i32, ::core::ptr::null_mut(), 0usize), - Method::Options => (6i32, ::core::ptr::null_mut(), 0usize), - Method::Trace => (7i32, ::core::ptr::null_mut(), 0usize), - Method::Patch => (8i32, ::core::ptr::null_mut(), 0usize), - Method::Other(e) => { - let vec0 = e; - let ptr0 = vec0.as_ptr().cast::(); - let len0 = vec0.len(); - - (9i32, ptr0.cast_mut(), len0) - } - }; - - #[cfg(target_arch = "wasm32")] - #[link(wasm_import_module = "wasi:http/types@0.2.0")] - extern "C" { - #[link_name = "[method]outgoing-request.set-method"] - fn wit_import(_: i32, _: i32, _: *mut u8, _: usize) -> i32; - } - - #[cfg(not(target_arch = "wasm32"))] - fn wit_import(_: i32, _: i32, _: *mut u8, _: usize) -> i32 { - unreachable!() - } - let ret = - wit_import((self).handle() as i32, result1_0, result1_1, result1_2); - match ret { - 0 => { - let e = (); - Ok(e) - } - 1 => { - let e = (); - Err(e) - } - _ => _rt::invalid_enum_discriminant(), - } - } - } - } - impl OutgoingRequest { - #[allow(unused_unsafe, clippy::all)] - /// Get the combination of the HTTP Path and Query for the Request. - /// When `none`, this represents an empty Path and empty Query. - pub fn path_with_query(&self) -> Option<_rt::String> { - unsafe { - #[repr(align(4))] - struct RetArea([::core::mem::MaybeUninit; 12]); - let mut ret_area = RetArea([::core::mem::MaybeUninit::uninit(); 12]); - let ptr0 = ret_area.0.as_mut_ptr().cast::(); - #[cfg(target_arch = "wasm32")] - #[link(wasm_import_module = "wasi:http/types@0.2.0")] - extern "C" { - #[link_name = "[method]outgoing-request.path-with-query"] - fn wit_import(_: i32, _: *mut u8); - } - - #[cfg(not(target_arch = "wasm32"))] - fn wit_import(_: i32, _: *mut u8) { - unreachable!() - } - wit_import((self).handle() as i32, ptr0); - let l1 = i32::from(*ptr0.add(0).cast::()); - match l1 { - 0 => None, - 1 => { - let e = { - let l2 = *ptr0.add(4).cast::<*mut u8>(); - let l3 = *ptr0.add(8).cast::(); - let len4 = l3; - let bytes4 = _rt::Vec::from_raw_parts(l2.cast(), len4, len4); - - _rt::string_lift(bytes4) - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - } - } - } - } - impl OutgoingRequest { - #[allow(unused_unsafe, clippy::all)] - /// Set the combination of the HTTP Path and Query for the Request. - /// When `none`, this represents an empty Path and empty Query. Fails is the - /// string given is not a syntactically valid path and query uri component. - pub fn set_path_with_query(&self, path_with_query: Option<&str>) -> Result<(), ()> { - unsafe { - let (result1_0, result1_1, result1_2) = match path_with_query { - Some(e) => { - let vec0 = e; - let ptr0 = vec0.as_ptr().cast::(); - let len0 = vec0.len(); - - (1i32, ptr0.cast_mut(), len0) - } - None => (0i32, ::core::ptr::null_mut(), 0usize), - }; - #[cfg(target_arch = "wasm32")] - #[link(wasm_import_module = "wasi:http/types@0.2.0")] - extern "C" { - #[link_name = "[method]outgoing-request.set-path-with-query"] - fn wit_import(_: i32, _: i32, _: *mut u8, _: usize) -> i32; - } - - #[cfg(not(target_arch = "wasm32"))] - fn wit_import(_: i32, _: i32, _: *mut u8, _: usize) -> i32 { - unreachable!() - } - let ret = - wit_import((self).handle() as i32, result1_0, result1_1, result1_2); - match ret { - 0 => { - let e = (); - Ok(e) - } - 1 => { - let e = (); - Err(e) - } - _ => _rt::invalid_enum_discriminant(), - } - } - } - } - impl OutgoingRequest { - #[allow(unused_unsafe, clippy::all)] - /// Get the HTTP Related Scheme for the Request. When `none`, the - /// implementation may choose an appropriate default scheme. - pub fn scheme(&self) -> Option { - unsafe { - #[repr(align(4))] - struct RetArea([::core::mem::MaybeUninit; 16]); - let mut ret_area = RetArea([::core::mem::MaybeUninit::uninit(); 16]); - let ptr0 = ret_area.0.as_mut_ptr().cast::(); - #[cfg(target_arch = "wasm32")] - #[link(wasm_import_module = "wasi:http/types@0.2.0")] - extern "C" { - #[link_name = "[method]outgoing-request.scheme"] - fn wit_import(_: i32, _: *mut u8); - } - - #[cfg(not(target_arch = "wasm32"))] - fn wit_import(_: i32, _: *mut u8) { - unreachable!() - } - wit_import((self).handle() as i32, ptr0); - let l1 = i32::from(*ptr0.add(0).cast::()); - match l1 { - 0 => None, - 1 => { - let e = { - let l2 = i32::from(*ptr0.add(4).cast::()); - let v6 = match l2 { - 0 => Scheme::Http, - 1 => Scheme::Https, - n => { - debug_assert_eq!(n, 2, "invalid enum discriminant"); - let e6 = { - let l3 = *ptr0.add(8).cast::<*mut u8>(); - let l4 = *ptr0.add(12).cast::(); - let len5 = l4; - let bytes5 = - _rt::Vec::from_raw_parts(l3.cast(), len5, len5); - - _rt::string_lift(bytes5) - }; - Scheme::Other(e6) - } - }; - - v6 - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - } - } - } - } - impl OutgoingRequest { - #[allow(unused_unsafe, clippy::all)] - /// Set the HTTP Related Scheme for the Request. When `none`, the - /// implementation may choose an appropriate default scheme. Fails if the - /// string given is not a syntactically valid uri scheme. - pub fn set_scheme(&self, scheme: Option<&Scheme>) -> Result<(), ()> { - unsafe { - let (result2_0, result2_1, result2_2, result2_3) = match scheme { - Some(e) => { - let (result1_0, result1_1, result1_2) = match e { - Scheme::Http => (0i32, ::core::ptr::null_mut(), 0usize), - Scheme::Https => (1i32, ::core::ptr::null_mut(), 0usize), - Scheme::Other(e) => { - let vec0 = e; - let ptr0 = vec0.as_ptr().cast::(); - let len0 = vec0.len(); - - (2i32, ptr0.cast_mut(), len0) - } - }; - - (1i32, result1_0, result1_1, result1_2) - } - None => (0i32, 0i32, ::core::ptr::null_mut(), 0usize), - }; - #[cfg(target_arch = "wasm32")] - #[link(wasm_import_module = "wasi:http/types@0.2.0")] - extern "C" { - #[link_name = "[method]outgoing-request.set-scheme"] - fn wit_import(_: i32, _: i32, _: i32, _: *mut u8, _: usize) -> i32; - } - - #[cfg(not(target_arch = "wasm32"))] - fn wit_import(_: i32, _: i32, _: i32, _: *mut u8, _: usize) -> i32 { - unreachable!() - } - let ret = wit_import( - (self).handle() as i32, - result2_0, - result2_1, - result2_2, - result2_3, - ); - match ret { - 0 => { - let e = (); - Ok(e) - } - 1 => { - let e = (); - Err(e) - } - _ => _rt::invalid_enum_discriminant(), - } - } - } - } - impl OutgoingRequest { - #[allow(unused_unsafe, clippy::all)] - /// Get the HTTP Authority for the Request. A value of `none` may be used - /// with Related Schemes which do not require an Authority. The HTTP and - /// HTTPS schemes always require an authority. - pub fn authority(&self) -> Option<_rt::String> { - unsafe { - #[repr(align(4))] - struct RetArea([::core::mem::MaybeUninit; 12]); - let mut ret_area = RetArea([::core::mem::MaybeUninit::uninit(); 12]); - let ptr0 = ret_area.0.as_mut_ptr().cast::(); - #[cfg(target_arch = "wasm32")] - #[link(wasm_import_module = "wasi:http/types@0.2.0")] - extern "C" { - #[link_name = "[method]outgoing-request.authority"] - fn wit_import(_: i32, _: *mut u8); - } - - #[cfg(not(target_arch = "wasm32"))] - fn wit_import(_: i32, _: *mut u8) { - unreachable!() - } - wit_import((self).handle() as i32, ptr0); - let l1 = i32::from(*ptr0.add(0).cast::()); - match l1 { - 0 => None, - 1 => { - let e = { - let l2 = *ptr0.add(4).cast::<*mut u8>(); - let l3 = *ptr0.add(8).cast::(); - let len4 = l3; - let bytes4 = _rt::Vec::from_raw_parts(l2.cast(), len4, len4); - - _rt::string_lift(bytes4) - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - } - } - } - } - impl OutgoingRequest { - #[allow(unused_unsafe, clippy::all)] - /// Set the HTTP Authority for the Request. A value of `none` may be used - /// with Related Schemes which do not require an Authority. The HTTP and - /// HTTPS schemes always require an authority. Fails if the string given is - /// not a syntactically valid uri authority. - pub fn set_authority(&self, authority: Option<&str>) -> Result<(), ()> { - unsafe { - let (result1_0, result1_1, result1_2) = match authority { - Some(e) => { - let vec0 = e; - let ptr0 = vec0.as_ptr().cast::(); - let len0 = vec0.len(); - - (1i32, ptr0.cast_mut(), len0) - } - None => (0i32, ::core::ptr::null_mut(), 0usize), - }; - #[cfg(target_arch = "wasm32")] - #[link(wasm_import_module = "wasi:http/types@0.2.0")] - extern "C" { - #[link_name = "[method]outgoing-request.set-authority"] - fn wit_import(_: i32, _: i32, _: *mut u8, _: usize) -> i32; - } - - #[cfg(not(target_arch = "wasm32"))] - fn wit_import(_: i32, _: i32, _: *mut u8, _: usize) -> i32 { - unreachable!() - } - let ret = - wit_import((self).handle() as i32, result1_0, result1_1, result1_2); - match ret { - 0 => { - let e = (); - Ok(e) - } - 1 => { - let e = (); - Err(e) - } - _ => _rt::invalid_enum_discriminant(), - } - } - } - } - impl OutgoingRequest { - #[allow(unused_unsafe, clippy::all)] - /// Get the headers associated with the Request. - /// - /// The returned `headers` resource is immutable: `set`, `append`, and - /// `delete` operations will fail with `header-error.immutable`. - /// - /// This headers resource is a child: it must be dropped before the parent - /// `outgoing-request` is dropped, or its ownership is transfered to - /// another component by e.g. `outgoing-handler.handle`. - pub fn headers(&self) -> Headers { - unsafe { - #[cfg(target_arch = "wasm32")] - #[link(wasm_import_module = "wasi:http/types@0.2.0")] - extern "C" { - #[link_name = "[method]outgoing-request.headers"] - fn wit_import(_: i32) -> i32; - } - - #[cfg(not(target_arch = "wasm32"))] - fn wit_import(_: i32) -> i32 { - unreachable!() - } - let ret = wit_import((self).handle() as i32); - Fields::from_handle(ret as u32) - } - } - } - impl RequestOptions { - #[allow(unused_unsafe, clippy::all)] - /// Construct a default `request-options` value. - pub fn new() -> Self { - unsafe { - #[cfg(target_arch = "wasm32")] - #[link(wasm_import_module = "wasi:http/types@0.2.0")] - extern "C" { - #[link_name = "[constructor]request-options"] - fn wit_import() -> i32; - } - - #[cfg(not(target_arch = "wasm32"))] - fn wit_import() -> i32 { - unreachable!() - } - let ret = wit_import(); - RequestOptions::from_handle(ret as u32) - } - } - } - impl RequestOptions { - #[allow(unused_unsafe, clippy::all)] - /// The timeout for the initial connect to the HTTP Server. - pub fn connect_timeout(&self) -> Option { - unsafe { - #[repr(align(8))] - struct RetArea([::core::mem::MaybeUninit; 16]); - let mut ret_area = RetArea([::core::mem::MaybeUninit::uninit(); 16]); - let ptr0 = ret_area.0.as_mut_ptr().cast::(); - #[cfg(target_arch = "wasm32")] - #[link(wasm_import_module = "wasi:http/types@0.2.0")] - extern "C" { - #[link_name = "[method]request-options.connect-timeout"] - fn wit_import(_: i32, _: *mut u8); - } - - #[cfg(not(target_arch = "wasm32"))] - fn wit_import(_: i32, _: *mut u8) { - unreachable!() - } - wit_import((self).handle() as i32, ptr0); - let l1 = i32::from(*ptr0.add(0).cast::()); - match l1 { - 0 => None, - 1 => { - let e = { - let l2 = *ptr0.add(8).cast::(); - - l2 as u64 - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - } - } - } - } - impl RequestOptions { - #[allow(unused_unsafe, clippy::all)] - /// Set the timeout for the initial connect to the HTTP Server. An error - /// return value indicates that this timeout is not supported. - pub fn set_connect_timeout(&self, duration: Option) -> Result<(), ()> { - unsafe { - let (result0_0, result0_1) = match duration { - Some(e) => (1i32, _rt::as_i64(e)), - None => (0i32, 0i64), - }; - #[cfg(target_arch = "wasm32")] - #[link(wasm_import_module = "wasi:http/types@0.2.0")] - extern "C" { - #[link_name = "[method]request-options.set-connect-timeout"] - fn wit_import(_: i32, _: i32, _: i64) -> i32; - } - - #[cfg(not(target_arch = "wasm32"))] - fn wit_import(_: i32, _: i32, _: i64) -> i32 { - unreachable!() - } - let ret = wit_import((self).handle() as i32, result0_0, result0_1); - match ret { - 0 => { - let e = (); - Ok(e) - } - 1 => { - let e = (); - Err(e) - } - _ => _rt::invalid_enum_discriminant(), - } - } - } - } - impl RequestOptions { - #[allow(unused_unsafe, clippy::all)] - /// The timeout for receiving the first byte of the Response body. - pub fn first_byte_timeout(&self) -> Option { - unsafe { - #[repr(align(8))] - struct RetArea([::core::mem::MaybeUninit; 16]); - let mut ret_area = RetArea([::core::mem::MaybeUninit::uninit(); 16]); - let ptr0 = ret_area.0.as_mut_ptr().cast::(); - #[cfg(target_arch = "wasm32")] - #[link(wasm_import_module = "wasi:http/types@0.2.0")] - extern "C" { - #[link_name = "[method]request-options.first-byte-timeout"] - fn wit_import(_: i32, _: *mut u8); - } - - #[cfg(not(target_arch = "wasm32"))] - fn wit_import(_: i32, _: *mut u8) { - unreachable!() - } - wit_import((self).handle() as i32, ptr0); - let l1 = i32::from(*ptr0.add(0).cast::()); - match l1 { - 0 => None, - 1 => { - let e = { - let l2 = *ptr0.add(8).cast::(); - - l2 as u64 - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - } - } - } - } - impl RequestOptions { - #[allow(unused_unsafe, clippy::all)] - /// Set the timeout for receiving the first byte of the Response body. An - /// error return value indicates that this timeout is not supported. - pub fn set_first_byte_timeout(&self, duration: Option) -> Result<(), ()> { - unsafe { - let (result0_0, result0_1) = match duration { - Some(e) => (1i32, _rt::as_i64(e)), - None => (0i32, 0i64), - }; - #[cfg(target_arch = "wasm32")] - #[link(wasm_import_module = "wasi:http/types@0.2.0")] - extern "C" { - #[link_name = "[method]request-options.set-first-byte-timeout"] - fn wit_import(_: i32, _: i32, _: i64) -> i32; - } - - #[cfg(not(target_arch = "wasm32"))] - fn wit_import(_: i32, _: i32, _: i64) -> i32 { - unreachable!() - } - let ret = wit_import((self).handle() as i32, result0_0, result0_1); - match ret { - 0 => { - let e = (); - Ok(e) - } - 1 => { - let e = (); - Err(e) - } - _ => _rt::invalid_enum_discriminant(), - } - } - } - } - impl RequestOptions { - #[allow(unused_unsafe, clippy::all)] - /// The timeout for receiving subsequent chunks of bytes in the Response - /// body stream. - pub fn between_bytes_timeout(&self) -> Option { - unsafe { - #[repr(align(8))] - struct RetArea([::core::mem::MaybeUninit; 16]); - let mut ret_area = RetArea([::core::mem::MaybeUninit::uninit(); 16]); - let ptr0 = ret_area.0.as_mut_ptr().cast::(); - #[cfg(target_arch = "wasm32")] - #[link(wasm_import_module = "wasi:http/types@0.2.0")] - extern "C" { - #[link_name = "[method]request-options.between-bytes-timeout"] - fn wit_import(_: i32, _: *mut u8); - } - - #[cfg(not(target_arch = "wasm32"))] - fn wit_import(_: i32, _: *mut u8) { - unreachable!() - } - wit_import((self).handle() as i32, ptr0); - let l1 = i32::from(*ptr0.add(0).cast::()); - match l1 { - 0 => None, - 1 => { - let e = { - let l2 = *ptr0.add(8).cast::(); - - l2 as u64 - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - } - } - } - } - impl RequestOptions { - #[allow(unused_unsafe, clippy::all)] - /// Set the timeout for receiving subsequent chunks of bytes in the Response - /// body stream. An error return value indicates that this timeout is not - /// supported. - pub fn set_between_bytes_timeout( - &self, - duration: Option, - ) -> Result<(), ()> { - unsafe { - let (result0_0, result0_1) = match duration { - Some(e) => (1i32, _rt::as_i64(e)), - None => (0i32, 0i64), - }; - #[cfg(target_arch = "wasm32")] - #[link(wasm_import_module = "wasi:http/types@0.2.0")] - extern "C" { - #[link_name = "[method]request-options.set-between-bytes-timeout"] - fn wit_import(_: i32, _: i32, _: i64) -> i32; - } - - #[cfg(not(target_arch = "wasm32"))] - fn wit_import(_: i32, _: i32, _: i64) -> i32 { - unreachable!() - } - let ret = wit_import((self).handle() as i32, result0_0, result0_1); - match ret { - 0 => { - let e = (); - Ok(e) - } - 1 => { - let e = (); - Err(e) - } - _ => _rt::invalid_enum_discriminant(), - } - } - } - } - impl ResponseOutparam { - #[allow(unused_unsafe, clippy::all)] - /// Set the value of the `response-outparam` to either send a response, - /// or indicate an error. - /// - /// This method consumes the `response-outparam` to ensure that it is - /// called at most once. If it is never called, the implementation - /// will respond with an error. - /// - /// The user may provide an `error` to `response` to allow the - /// implementation determine how to respond with an HTTP error response. - pub fn set(param: ResponseOutparam, response: Result) { - unsafe { - let ( - result38_0, - result38_1, - result38_2, - result38_3, - result38_4, - result38_5, - result38_6, - result38_7, - ) = match &response { - Ok(e) => ( - 0i32, - (e).take_handle() as i32, - 0i32, - ::core::mem::MaybeUninit::::zeroed(), - ::core::ptr::null_mut(), - ::core::ptr::null_mut(), - 0usize, - 0i32, - ), - Err(e) => { - let ( - result37_0, - result37_1, - result37_2, - result37_3, - result37_4, - result37_5, - result37_6, - ) = match e { - ErrorCode::DnsTimeout => ( - 0i32, - 0i32, - ::core::mem::MaybeUninit::::zeroed(), - ::core::ptr::null_mut(), - ::core::ptr::null_mut(), - 0usize, - 0i32, - ), - ErrorCode::DnsError(e) => { - let DnsErrorPayload { - rcode: rcode0, - info_code: info_code0, - } = e; - let (result2_0, result2_1, result2_2) = match rcode0 { - Some(e) => { - let vec1 = e; - let ptr1 = vec1.as_ptr().cast::(); - let len1 = vec1.len(); - - (1i32, ptr1.cast_mut(), len1) - } - None => (0i32, ::core::ptr::null_mut(), 0usize), - }; - let (result3_0, result3_1) = match info_code0 { - Some(e) => (1i32, _rt::as_i32(e)), - None => (0i32, 0i32), - }; - ( - 1i32, - result2_0, - { - let mut t = - ::core::mem::MaybeUninit::::uninit(); - t.as_mut_ptr().cast::<*mut u8>().write(result2_1); - t - }, - result2_2 as *mut u8, - result3_0 as *mut u8, - result3_1 as usize, - 0i32, - ) - } - ErrorCode::DestinationNotFound => ( - 2i32, - 0i32, - ::core::mem::MaybeUninit::::zeroed(), - ::core::ptr::null_mut(), - ::core::ptr::null_mut(), - 0usize, - 0i32, - ), - ErrorCode::DestinationUnavailable => ( - 3i32, - 0i32, - ::core::mem::MaybeUninit::::zeroed(), - ::core::ptr::null_mut(), - ::core::ptr::null_mut(), - 0usize, - 0i32, - ), - ErrorCode::DestinationIpProhibited => ( - 4i32, - 0i32, - ::core::mem::MaybeUninit::::zeroed(), - ::core::ptr::null_mut(), - ::core::ptr::null_mut(), - 0usize, - 0i32, - ), - ErrorCode::DestinationIpUnroutable => ( - 5i32, - 0i32, - ::core::mem::MaybeUninit::::zeroed(), - ::core::ptr::null_mut(), - ::core::ptr::null_mut(), - 0usize, - 0i32, - ), - ErrorCode::ConnectionRefused => ( - 6i32, - 0i32, - ::core::mem::MaybeUninit::::zeroed(), - ::core::ptr::null_mut(), - ::core::ptr::null_mut(), - 0usize, - 0i32, - ), - ErrorCode::ConnectionTerminated => ( - 7i32, - 0i32, - ::core::mem::MaybeUninit::::zeroed(), - ::core::ptr::null_mut(), - ::core::ptr::null_mut(), - 0usize, - 0i32, - ), - ErrorCode::ConnectionTimeout => ( - 8i32, - 0i32, - ::core::mem::MaybeUninit::::zeroed(), - ::core::ptr::null_mut(), - ::core::ptr::null_mut(), - 0usize, - 0i32, - ), - ErrorCode::ConnectionReadTimeout => ( - 9i32, - 0i32, - ::core::mem::MaybeUninit::::zeroed(), - ::core::ptr::null_mut(), - ::core::ptr::null_mut(), - 0usize, - 0i32, - ), - ErrorCode::ConnectionWriteTimeout => ( - 10i32, - 0i32, - ::core::mem::MaybeUninit::::zeroed(), - ::core::ptr::null_mut(), - ::core::ptr::null_mut(), - 0usize, - 0i32, - ), - ErrorCode::ConnectionLimitReached => ( - 11i32, - 0i32, - ::core::mem::MaybeUninit::::zeroed(), - ::core::ptr::null_mut(), - ::core::ptr::null_mut(), - 0usize, - 0i32, - ), - ErrorCode::TlsProtocolError => ( - 12i32, - 0i32, - ::core::mem::MaybeUninit::::zeroed(), - ::core::ptr::null_mut(), - ::core::ptr::null_mut(), - 0usize, - 0i32, - ), - ErrorCode::TlsCertificateError => ( - 13i32, - 0i32, - ::core::mem::MaybeUninit::::zeroed(), - ::core::ptr::null_mut(), - ::core::ptr::null_mut(), - 0usize, - 0i32, - ), - ErrorCode::TlsAlertReceived(e) => { - let TlsAlertReceivedPayload { - alert_id: alert_id4, - alert_message: alert_message4, - } = e; - let (result5_0, result5_1) = match alert_id4 { - Some(e) => (1i32, _rt::as_i32(e)), - None => (0i32, 0i32), - }; - let (result7_0, result7_1, result7_2) = match alert_message4 - { - Some(e) => { - let vec6 = e; - let ptr6 = vec6.as_ptr().cast::(); - let len6 = vec6.len(); - - (1i32, ptr6.cast_mut(), len6) - } - None => (0i32, ::core::ptr::null_mut(), 0usize), - }; - ( - 14i32, - result5_0, - ::core::mem::MaybeUninit::new( - i64::from(result5_1) as u64 - ), - result7_0 as *mut u8, - result7_1, - result7_2, - 0i32, - ) - } - ErrorCode::HttpRequestDenied => ( - 15i32, - 0i32, - ::core::mem::MaybeUninit::::zeroed(), - ::core::ptr::null_mut(), - ::core::ptr::null_mut(), - 0usize, - 0i32, - ), - ErrorCode::HttpRequestLengthRequired => ( - 16i32, - 0i32, - ::core::mem::MaybeUninit::::zeroed(), - ::core::ptr::null_mut(), - ::core::ptr::null_mut(), - 0usize, - 0i32, - ), - ErrorCode::HttpRequestBodySize(e) => { - let (result8_0, result8_1) = match e { - Some(e) => (1i32, _rt::as_i64(e)), - None => (0i32, 0i64), - }; - ( - 17i32, - result8_0, - ::core::mem::MaybeUninit::new(result8_1 as u64), - ::core::ptr::null_mut(), - ::core::ptr::null_mut(), - 0usize, - 0i32, - ) - } - ErrorCode::HttpRequestMethodInvalid => ( - 18i32, - 0i32, - ::core::mem::MaybeUninit::::zeroed(), - ::core::ptr::null_mut(), - ::core::ptr::null_mut(), - 0usize, - 0i32, - ), - ErrorCode::HttpRequestUriInvalid => ( - 19i32, - 0i32, - ::core::mem::MaybeUninit::::zeroed(), - ::core::ptr::null_mut(), - ::core::ptr::null_mut(), - 0usize, - 0i32, - ), - ErrorCode::HttpRequestUriTooLong => ( - 20i32, - 0i32, - ::core::mem::MaybeUninit::::zeroed(), - ::core::ptr::null_mut(), - ::core::ptr::null_mut(), - 0usize, - 0i32, - ), - ErrorCode::HttpRequestHeaderSectionSize(e) => { - let (result9_0, result9_1) = match e { - Some(e) => (1i32, _rt::as_i32(e)), - None => (0i32, 0i32), - }; - ( - 21i32, - result9_0, - ::core::mem::MaybeUninit::new( - i64::from(result9_1) as u64 - ), - ::core::ptr::null_mut(), - ::core::ptr::null_mut(), - 0usize, - 0i32, - ) - } - ErrorCode::HttpRequestHeaderSize(e) => { - let ( - result14_0, - result14_1, - result14_2, - result14_3, - result14_4, - result14_5, - ) = match e { - Some(e) => { - let FieldSizePayload { - field_name: field_name10, - field_size: field_size10, - } = e; - let (result12_0, result12_1, result12_2) = - match field_name10 { - Some(e) => { - let vec11 = e; - let ptr11 = vec11.as_ptr().cast::(); - let len11 = vec11.len(); - - (1i32, ptr11.cast_mut(), len11) - } - None => { - (0i32, ::core::ptr::null_mut(), 0usize) - } - }; - let (result13_0, result13_1) = match field_size10 { - Some(e) => (1i32, _rt::as_i32(e)), - None => (0i32, 0i32), - }; - ( - 1i32, result12_0, result12_1, result12_2, - result13_0, result13_1, - ) - } - None => ( - 0i32, - 0i32, - ::core::ptr::null_mut(), - 0usize, - 0i32, - 0i32, - ), - }; - ( - 22i32, - result14_0, - ::core::mem::MaybeUninit::new( - i64::from(result14_1) as u64 - ), - result14_2, - result14_3 as *mut u8, - result14_4 as usize, - result14_5, - ) - } - ErrorCode::HttpRequestTrailerSectionSize(e) => { - let (result15_0, result15_1) = match e { - Some(e) => (1i32, _rt::as_i32(e)), - None => (0i32, 0i32), - }; - ( - 23i32, - result15_0, - ::core::mem::MaybeUninit::new( - i64::from(result15_1) as u64 - ), - ::core::ptr::null_mut(), - ::core::ptr::null_mut(), - 0usize, - 0i32, - ) - } - ErrorCode::HttpRequestTrailerSize(e) => { - let FieldSizePayload { - field_name: field_name16, - field_size: field_size16, - } = e; - let (result18_0, result18_1, result18_2) = - match field_name16 { - Some(e) => { - let vec17 = e; - let ptr17 = vec17.as_ptr().cast::(); - let len17 = vec17.len(); - - (1i32, ptr17.cast_mut(), len17) - } - None => (0i32, ::core::ptr::null_mut(), 0usize), - }; - let (result19_0, result19_1) = match field_size16 { - Some(e) => (1i32, _rt::as_i32(e)), - None => (0i32, 0i32), - }; - ( - 24i32, - result18_0, - { - let mut t = - ::core::mem::MaybeUninit::::uninit(); - t.as_mut_ptr().cast::<*mut u8>().write(result18_1); - t - }, - result18_2 as *mut u8, - result19_0 as *mut u8, - result19_1 as usize, - 0i32, - ) - } - ErrorCode::HttpResponseIncomplete => ( - 25i32, - 0i32, - ::core::mem::MaybeUninit::::zeroed(), - ::core::ptr::null_mut(), - ::core::ptr::null_mut(), - 0usize, - 0i32, - ), - ErrorCode::HttpResponseHeaderSectionSize(e) => { - let (result20_0, result20_1) = match e { - Some(e) => (1i32, _rt::as_i32(e)), - None => (0i32, 0i32), - }; - ( - 26i32, - result20_0, - ::core::mem::MaybeUninit::new( - i64::from(result20_1) as u64 - ), - ::core::ptr::null_mut(), - ::core::ptr::null_mut(), - 0usize, - 0i32, - ) - } - ErrorCode::HttpResponseHeaderSize(e) => { - let FieldSizePayload { - field_name: field_name21, - field_size: field_size21, - } = e; - let (result23_0, result23_1, result23_2) = - match field_name21 { - Some(e) => { - let vec22 = e; - let ptr22 = vec22.as_ptr().cast::(); - let len22 = vec22.len(); - - (1i32, ptr22.cast_mut(), len22) - } - None => (0i32, ::core::ptr::null_mut(), 0usize), - }; - let (result24_0, result24_1) = match field_size21 { - Some(e) => (1i32, _rt::as_i32(e)), - None => (0i32, 0i32), - }; - ( - 27i32, - result23_0, - { - let mut t = - ::core::mem::MaybeUninit::::uninit(); - t.as_mut_ptr().cast::<*mut u8>().write(result23_1); - t - }, - result23_2 as *mut u8, - result24_0 as *mut u8, - result24_1 as usize, - 0i32, - ) - } - ErrorCode::HttpResponseBodySize(e) => { - let (result25_0, result25_1) = match e { - Some(e) => (1i32, _rt::as_i64(e)), - None => (0i32, 0i64), - }; - ( - 28i32, - result25_0, - ::core::mem::MaybeUninit::new(result25_1 as u64), - ::core::ptr::null_mut(), - ::core::ptr::null_mut(), - 0usize, - 0i32, - ) - } - ErrorCode::HttpResponseTrailerSectionSize(e) => { - let (result26_0, result26_1) = match e { - Some(e) => (1i32, _rt::as_i32(e)), - None => (0i32, 0i32), - }; - ( - 29i32, - result26_0, - ::core::mem::MaybeUninit::new( - i64::from(result26_1) as u64 - ), - ::core::ptr::null_mut(), - ::core::ptr::null_mut(), - 0usize, - 0i32, - ) - } - ErrorCode::HttpResponseTrailerSize(e) => { - let FieldSizePayload { - field_name: field_name27, - field_size: field_size27, - } = e; - let (result29_0, result29_1, result29_2) = - match field_name27 { - Some(e) => { - let vec28 = e; - let ptr28 = vec28.as_ptr().cast::(); - let len28 = vec28.len(); - - (1i32, ptr28.cast_mut(), len28) - } - None => (0i32, ::core::ptr::null_mut(), 0usize), - }; - let (result30_0, result30_1) = match field_size27 { - Some(e) => (1i32, _rt::as_i32(e)), - None => (0i32, 0i32), - }; - ( - 30i32, - result29_0, - { - let mut t = - ::core::mem::MaybeUninit::::uninit(); - t.as_mut_ptr().cast::<*mut u8>().write(result29_1); - t - }, - result29_2 as *mut u8, - result30_0 as *mut u8, - result30_1 as usize, - 0i32, - ) - } - ErrorCode::HttpResponseTransferCoding(e) => { - let (result32_0, result32_1, result32_2) = match e { - Some(e) => { - let vec31 = e; - let ptr31 = vec31.as_ptr().cast::(); - let len31 = vec31.len(); - - (1i32, ptr31.cast_mut(), len31) - } - None => (0i32, ::core::ptr::null_mut(), 0usize), - }; - ( - 31i32, - result32_0, - { - let mut t = - ::core::mem::MaybeUninit::::uninit(); - t.as_mut_ptr().cast::<*mut u8>().write(result32_1); - t - }, - result32_2 as *mut u8, - ::core::ptr::null_mut(), - 0usize, - 0i32, - ) - } - ErrorCode::HttpResponseContentCoding(e) => { - let (result34_0, result34_1, result34_2) = match e { - Some(e) => { - let vec33 = e; - let ptr33 = vec33.as_ptr().cast::(); - let len33 = vec33.len(); - - (1i32, ptr33.cast_mut(), len33) - } - None => (0i32, ::core::ptr::null_mut(), 0usize), - }; - ( - 32i32, - result34_0, - { - let mut t = - ::core::mem::MaybeUninit::::uninit(); - t.as_mut_ptr().cast::<*mut u8>().write(result34_1); - t - }, - result34_2 as *mut u8, - ::core::ptr::null_mut(), - 0usize, - 0i32, - ) - } - ErrorCode::HttpResponseTimeout => ( - 33i32, - 0i32, - ::core::mem::MaybeUninit::::zeroed(), - ::core::ptr::null_mut(), - ::core::ptr::null_mut(), - 0usize, - 0i32, - ), - ErrorCode::HttpUpgradeFailed => ( - 34i32, - 0i32, - ::core::mem::MaybeUninit::::zeroed(), - ::core::ptr::null_mut(), - ::core::ptr::null_mut(), - 0usize, - 0i32, - ), - ErrorCode::HttpProtocolError => ( - 35i32, - 0i32, - ::core::mem::MaybeUninit::::zeroed(), - ::core::ptr::null_mut(), - ::core::ptr::null_mut(), - 0usize, - 0i32, - ), - ErrorCode::LoopDetected => ( - 36i32, - 0i32, - ::core::mem::MaybeUninit::::zeroed(), - ::core::ptr::null_mut(), - ::core::ptr::null_mut(), - 0usize, - 0i32, - ), - ErrorCode::ConfigurationError => ( - 37i32, - 0i32, - ::core::mem::MaybeUninit::::zeroed(), - ::core::ptr::null_mut(), - ::core::ptr::null_mut(), - 0usize, - 0i32, - ), - ErrorCode::InternalError(e) => { - let (result36_0, result36_1, result36_2) = match e { - Some(e) => { - let vec35 = e; - let ptr35 = vec35.as_ptr().cast::(); - let len35 = vec35.len(); - - (1i32, ptr35.cast_mut(), len35) - } - None => (0i32, ::core::ptr::null_mut(), 0usize), - }; - ( - 38i32, - result36_0, - { - let mut t = - ::core::mem::MaybeUninit::::uninit(); - t.as_mut_ptr().cast::<*mut u8>().write(result36_1); - t - }, - result36_2 as *mut u8, - ::core::ptr::null_mut(), - 0usize, - 0i32, - ) - } - }; - - ( - 1i32, result37_0, result37_1, result37_2, result37_3, - result37_4, result37_5, result37_6, - ) - } - }; - #[cfg(target_arch = "wasm32")] - #[link(wasm_import_module = "wasi:http/types@0.2.0")] - extern "C" { - #[link_name = "[static]response-outparam.set"] - fn wit_import( - _: i32, - _: i32, - _: i32, - _: i32, - _: ::core::mem::MaybeUninit, - _: *mut u8, - _: *mut u8, - _: usize, - _: i32, - ); - } - - #[cfg(not(target_arch = "wasm32"))] - fn wit_import( - _: i32, - _: i32, - _: i32, - _: i32, - _: ::core::mem::MaybeUninit, - _: *mut u8, - _: *mut u8, - _: usize, - _: i32, - ) { - unreachable!() - } - wit_import( - (¶m).take_handle() as i32, - result38_0, - result38_1, - result38_2, - result38_3, - result38_4, - result38_5, - result38_6, - result38_7, - ); - } - } - } - impl IncomingResponse { - #[allow(unused_unsafe, clippy::all)] - /// Returns the status code from the incoming response. - pub fn status(&self) -> StatusCode { - unsafe { - #[cfg(target_arch = "wasm32")] - #[link(wasm_import_module = "wasi:http/types@0.2.0")] - extern "C" { - #[link_name = "[method]incoming-response.status"] - fn wit_import(_: i32) -> i32; - } - - #[cfg(not(target_arch = "wasm32"))] - fn wit_import(_: i32) -> i32 { - unreachable!() - } - let ret = wit_import((self).handle() as i32); - ret as u16 - } - } - } - impl IncomingResponse { - #[allow(unused_unsafe, clippy::all)] - /// Returns the headers from the incoming response. - /// - /// The returned `headers` resource is immutable: `set`, `append`, and - /// `delete` operations will fail with `header-error.immutable`. - /// - /// This headers resource is a child: it must be dropped before the parent - /// `incoming-response` is dropped. - pub fn headers(&self) -> Headers { - unsafe { - #[cfg(target_arch = "wasm32")] - #[link(wasm_import_module = "wasi:http/types@0.2.0")] - extern "C" { - #[link_name = "[method]incoming-response.headers"] - fn wit_import(_: i32) -> i32; - } - - #[cfg(not(target_arch = "wasm32"))] - fn wit_import(_: i32) -> i32 { - unreachable!() - } - let ret = wit_import((self).handle() as i32); - Fields::from_handle(ret as u32) - } - } - } - impl IncomingResponse { - #[allow(unused_unsafe, clippy::all)] - /// Returns the incoming body. May be called at most once. Returns error - /// if called additional times. - pub fn consume(&self) -> Result { - unsafe { - #[repr(align(4))] - struct RetArea([::core::mem::MaybeUninit; 8]); - let mut ret_area = RetArea([::core::mem::MaybeUninit::uninit(); 8]); - let ptr0 = ret_area.0.as_mut_ptr().cast::(); - #[cfg(target_arch = "wasm32")] - #[link(wasm_import_module = "wasi:http/types@0.2.0")] - extern "C" { - #[link_name = "[method]incoming-response.consume"] - fn wit_import(_: i32, _: *mut u8); - } - - #[cfg(not(target_arch = "wasm32"))] - fn wit_import(_: i32, _: *mut u8) { - unreachable!() - } - wit_import((self).handle() as i32, ptr0); - let l1 = i32::from(*ptr0.add(0).cast::()); - match l1 { - 0 => { - let e = { - let l2 = *ptr0.add(4).cast::(); - - IncomingBody::from_handle(l2 as u32) - }; - Ok(e) - } - 1 => { - let e = (); - Err(e) - } - _ => _rt::invalid_enum_discriminant(), - } - } - } - } - impl IncomingBody { - #[allow(unused_unsafe, clippy::all)] - /// Returns the contents of the body, as a stream of bytes. - /// - /// Returns success on first call: the stream representing the contents - /// can be retrieved at most once. Subsequent calls will return error. - /// - /// The returned `input-stream` resource is a child: it must be dropped - /// before the parent `incoming-body` is dropped, or consumed by - /// `incoming-body.finish`. - /// - /// This invariant ensures that the implementation can determine whether - /// the user is consuming the contents of the body, waiting on the - /// `future-trailers` to be ready, or neither. This allows for network - /// backpressure is to be applied when the user is consuming the body, - /// and for that backpressure to not inhibit delivery of the trailers if - /// the user does not read the entire body. - pub fn stream(&self) -> Result { - unsafe { - #[repr(align(4))] - struct RetArea([::core::mem::MaybeUninit; 8]); - let mut ret_area = RetArea([::core::mem::MaybeUninit::uninit(); 8]); - let ptr0 = ret_area.0.as_mut_ptr().cast::(); - #[cfg(target_arch = "wasm32")] - #[link(wasm_import_module = "wasi:http/types@0.2.0")] - extern "C" { - #[link_name = "[method]incoming-body.stream"] - fn wit_import(_: i32, _: *mut u8); - } - - #[cfg(not(target_arch = "wasm32"))] - fn wit_import(_: i32, _: *mut u8) { - unreachable!() - } - wit_import((self).handle() as i32, ptr0); - let l1 = i32::from(*ptr0.add(0).cast::()); - match l1 { - 0 => { - let e = { - let l2 = *ptr0.add(4).cast::(); - - super::super::super::wasi::io::streams::InputStream::from_handle( - l2 as u32, - ) - }; - Ok(e) - } - 1 => { - let e = (); - Err(e) - } - _ => _rt::invalid_enum_discriminant(), - } - } - } - } - impl IncomingBody { - #[allow(unused_unsafe, clippy::all)] - /// Takes ownership of `incoming-body`, and returns a `future-trailers`. - /// This function will trap if the `input-stream` child is still alive. - pub fn finish(this: IncomingBody) -> FutureTrailers { - unsafe { - #[cfg(target_arch = "wasm32")] - #[link(wasm_import_module = "wasi:http/types@0.2.0")] - extern "C" { - #[link_name = "[static]incoming-body.finish"] - fn wit_import(_: i32) -> i32; - } - - #[cfg(not(target_arch = "wasm32"))] - fn wit_import(_: i32) -> i32 { - unreachable!() - } - let ret = wit_import((&this).take_handle() as i32); - FutureTrailers::from_handle(ret as u32) - } - } - } - impl FutureTrailers { - #[allow(unused_unsafe, clippy::all)] - /// Returns a pollable which becomes ready when either the trailers have - /// been received, or an error has occured. When this pollable is ready, - /// the `get` method will return `some`. - pub fn subscribe(&self) -> Pollable { - unsafe { - #[cfg(target_arch = "wasm32")] - #[link(wasm_import_module = "wasi:http/types@0.2.0")] - extern "C" { - #[link_name = "[method]future-trailers.subscribe"] - fn wit_import(_: i32) -> i32; - } - - #[cfg(not(target_arch = "wasm32"))] - fn wit_import(_: i32) -> i32 { - unreachable!() - } - let ret = wit_import((self).handle() as i32); - super::super::super::wasi::io::poll::Pollable::from_handle(ret as u32) - } - } - } - impl FutureTrailers { - #[allow(unused_unsafe, clippy::all)] - /// Returns the contents of the trailers, or an error which occured, - /// once the future is ready. - /// - /// The outer `option` represents future readiness. Users can wait on this - /// `option` to become `some` using the `subscribe` method. - /// - /// The outer `result` is used to retrieve the trailers or error at most - /// once. It will be success on the first call in which the outer option - /// is `some`, and error on subsequent calls. - /// - /// The inner `result` represents that either the HTTP Request or Response - /// body, as well as any trailers, were received successfully, or that an - /// error occured receiving them. The optional `trailers` indicates whether - /// or not trailers were present in the body. - /// - /// When some `trailers` are returned by this method, the `trailers` - /// resource is immutable, and a child. Use of the `set`, `append`, or - /// `delete` methods will return an error, and the resource must be - /// dropped before the parent `future-trailers` is dropped. - pub fn get(&self) -> Option, ErrorCode>, ()>> { - unsafe { - #[repr(align(8))] - struct RetArea([::core::mem::MaybeUninit; 56]); - let mut ret_area = RetArea([::core::mem::MaybeUninit::uninit(); 56]); - let ptr0 = ret_area.0.as_mut_ptr().cast::(); - #[cfg(target_arch = "wasm32")] - #[link(wasm_import_module = "wasi:http/types@0.2.0")] - extern "C" { - #[link_name = "[method]future-trailers.get"] - fn wit_import(_: i32, _: *mut u8); - } - - #[cfg(not(target_arch = "wasm32"))] - fn wit_import(_: i32, _: *mut u8) { - unreachable!() - } - wit_import((self).handle() as i32, ptr0); - let l1 = i32::from(*ptr0.add(0).cast::()); - match l1 { - 0 => None, - 1 => { - let e = { - let l2 = i32::from(*ptr0.add(8).cast::()); - - match l2 { - 0 => { - let e = { - let l3 = i32::from(*ptr0.add(16).cast::()); - - match l3 { - 0 => { - let e = - { - let l4 = i32::from( - *ptr0.add(24).cast::(), - ); - - match l4 { - 0 => None, - 1 => { - let e = { - let l5 = *ptr0.add(28).cast::(); - - Fields::from_handle(l5 as u32) - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - } - }; - Ok(e) - } - 1 => { - let e = { - let l6 = i32::from( - *ptr0.add(24).cast::(), - ); - let v68 = match l6 { - 0 => { - ErrorCode::DnsTimeout - } - 1 => { - let e68 = { - let l7 = i32::from(*ptr0.add(32).cast::()); - let l11 = i32::from(*ptr0.add(44).cast::()); - - DnsErrorPayload{ - rcode: match l7 { - 0 => None, - 1 => { - let e = { - let l8 = *ptr0.add(36).cast::<*mut u8>(); - let l9 = *ptr0.add(40).cast::(); - let len10 = l9; - let bytes10 = _rt::Vec::from_raw_parts(l8.cast(), len10, len10); - - _rt::string_lift(bytes10) - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - }, - info_code: match l11 { - 0 => None, - 1 => { - let e = { - let l12 = i32::from(*ptr0.add(46).cast::()); - - l12 as u16 - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - }, - } - }; - ErrorCode::DnsError(e68) - } - 2 => { - ErrorCode::DestinationNotFound - } - 3 => { - ErrorCode::DestinationUnavailable - } - 4 => { - ErrorCode::DestinationIpProhibited - } - 5 => { - ErrorCode::DestinationIpUnroutable - } - 6 => { - ErrorCode::ConnectionRefused - } - 7 => { - ErrorCode::ConnectionTerminated - } - 8 => { - ErrorCode::ConnectionTimeout - } - 9 => { - ErrorCode::ConnectionReadTimeout - } - 10 => { - ErrorCode::ConnectionWriteTimeout - } - 11 => { - ErrorCode::ConnectionLimitReached - } - 12 => { - ErrorCode::TlsProtocolError - } - 13 => { - ErrorCode::TlsCertificateError - } - 14 => { - let e68 = { - let l13 = i32::from(*ptr0.add(32).cast::()); - let l15 = i32::from(*ptr0.add(36).cast::()); - - TlsAlertReceivedPayload{ - alert_id: match l13 { - 0 => None, - 1 => { - let e = { - let l14 = i32::from(*ptr0.add(33).cast::()); - - l14 as u8 - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - }, - alert_message: match l15 { - 0 => None, - 1 => { - let e = { - let l16 = *ptr0.add(40).cast::<*mut u8>(); - let l17 = *ptr0.add(44).cast::(); - let len18 = l17; - let bytes18 = _rt::Vec::from_raw_parts(l16.cast(), len18, len18); - - _rt::string_lift(bytes18) - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - }, - } - }; - ErrorCode::TlsAlertReceived(e68) - } - 15 => { - ErrorCode::HttpRequestDenied - } - 16 => { - ErrorCode::HttpRequestLengthRequired - } - 17 => { - let e68 = { - let l19 = i32::from(*ptr0.add(32).cast::()); - - match l19 { - 0 => None, - 1 => { - let e = { - let l20 = *ptr0.add(40).cast::(); - - l20 as u64 - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - } - }; - ErrorCode::HttpRequestBodySize(e68) - } - 18 => { - ErrorCode::HttpRequestMethodInvalid - } - 19 => { - ErrorCode::HttpRequestUriInvalid - } - 20 => { - ErrorCode::HttpRequestUriTooLong - } - 21 => { - let e68 = { - let l21 = i32::from(*ptr0.add(32).cast::()); - - match l21 { - 0 => None, - 1 => { - let e = { - let l22 = *ptr0.add(36).cast::(); - - l22 as u32 - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - } - }; - ErrorCode::HttpRequestHeaderSectionSize(e68) - } - 22 => { - let e68 = { - let l23 = i32::from(*ptr0.add(32).cast::()); - - match l23 { - 0 => None, - 1 => { - let e = { - let l24 = i32::from(*ptr0.add(36).cast::()); - let l28 = i32::from(*ptr0.add(48).cast::()); - - FieldSizePayload{ - field_name: match l24 { - 0 => None, - 1 => { - let e = { - let l25 = *ptr0.add(40).cast::<*mut u8>(); - let l26 = *ptr0.add(44).cast::(); - let len27 = l26; - let bytes27 = _rt::Vec::from_raw_parts(l25.cast(), len27, len27); - - _rt::string_lift(bytes27) - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - }, - field_size: match l28 { - 0 => None, - 1 => { - let e = { - let l29 = *ptr0.add(52).cast::(); - - l29 as u32 - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - }, - } - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - } - }; - ErrorCode::HttpRequestHeaderSize(e68) - } - 23 => { - let e68 = { - let l30 = i32::from(*ptr0.add(32).cast::()); - - match l30 { - 0 => None, - 1 => { - let e = { - let l31 = *ptr0.add(36).cast::(); - - l31 as u32 - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - } - }; - ErrorCode::HttpRequestTrailerSectionSize(e68) - } - 24 => { - let e68 = { - let l32 = i32::from(*ptr0.add(32).cast::()); - let l36 = i32::from(*ptr0.add(44).cast::()); - - FieldSizePayload{ - field_name: match l32 { - 0 => None, - 1 => { - let e = { - let l33 = *ptr0.add(36).cast::<*mut u8>(); - let l34 = *ptr0.add(40).cast::(); - let len35 = l34; - let bytes35 = _rt::Vec::from_raw_parts(l33.cast(), len35, len35); - - _rt::string_lift(bytes35) - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - }, - field_size: match l36 { - 0 => None, - 1 => { - let e = { - let l37 = *ptr0.add(48).cast::(); - - l37 as u32 - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - }, - } - }; - ErrorCode::HttpRequestTrailerSize(e68) - } - 25 => { - ErrorCode::HttpResponseIncomplete - } - 26 => { - let e68 = { - let l38 = i32::from(*ptr0.add(32).cast::()); - - match l38 { - 0 => None, - 1 => { - let e = { - let l39 = *ptr0.add(36).cast::(); - - l39 as u32 - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - } - }; - ErrorCode::HttpResponseHeaderSectionSize(e68) - } - 27 => { - let e68 = { - let l40 = i32::from(*ptr0.add(32).cast::()); - let l44 = i32::from(*ptr0.add(44).cast::()); - - FieldSizePayload{ - field_name: match l40 { - 0 => None, - 1 => { - let e = { - let l41 = *ptr0.add(36).cast::<*mut u8>(); - let l42 = *ptr0.add(40).cast::(); - let len43 = l42; - let bytes43 = _rt::Vec::from_raw_parts(l41.cast(), len43, len43); - - _rt::string_lift(bytes43) - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - }, - field_size: match l44 { - 0 => None, - 1 => { - let e = { - let l45 = *ptr0.add(48).cast::(); - - l45 as u32 - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - }, - } - }; - ErrorCode::HttpResponseHeaderSize(e68) - } - 28 => { - let e68 = { - let l46 = i32::from(*ptr0.add(32).cast::()); - - match l46 { - 0 => None, - 1 => { - let e = { - let l47 = *ptr0.add(40).cast::(); - - l47 as u64 - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - } - }; - ErrorCode::HttpResponseBodySize(e68) - } - 29 => { - let e68 = { - let l48 = i32::from(*ptr0.add(32).cast::()); - - match l48 { - 0 => None, - 1 => { - let e = { - let l49 = *ptr0.add(36).cast::(); - - l49 as u32 - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - } - }; - ErrorCode::HttpResponseTrailerSectionSize(e68) - } - 30 => { - let e68 = { - let l50 = i32::from(*ptr0.add(32).cast::()); - let l54 = i32::from(*ptr0.add(44).cast::()); - - FieldSizePayload{ - field_name: match l50 { - 0 => None, - 1 => { - let e = { - let l51 = *ptr0.add(36).cast::<*mut u8>(); - let l52 = *ptr0.add(40).cast::(); - let len53 = l52; - let bytes53 = _rt::Vec::from_raw_parts(l51.cast(), len53, len53); - - _rt::string_lift(bytes53) - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - }, - field_size: match l54 { - 0 => None, - 1 => { - let e = { - let l55 = *ptr0.add(48).cast::(); - - l55 as u32 - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - }, - } - }; - ErrorCode::HttpResponseTrailerSize(e68) - } - 31 => { - let e68 = { - let l56 = i32::from(*ptr0.add(32).cast::()); - - match l56 { - 0 => None, - 1 => { - let e = { - let l57 = *ptr0.add(36).cast::<*mut u8>(); - let l58 = *ptr0.add(40).cast::(); - let len59 = l58; - let bytes59 = _rt::Vec::from_raw_parts(l57.cast(), len59, len59); - - _rt::string_lift(bytes59) - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - } - }; - ErrorCode::HttpResponseTransferCoding(e68) - } - 32 => { - let e68 = { - let l60 = i32::from(*ptr0.add(32).cast::()); - - match l60 { - 0 => None, - 1 => { - let e = { - let l61 = *ptr0.add(36).cast::<*mut u8>(); - let l62 = *ptr0.add(40).cast::(); - let len63 = l62; - let bytes63 = _rt::Vec::from_raw_parts(l61.cast(), len63, len63); - - _rt::string_lift(bytes63) - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - } - }; - ErrorCode::HttpResponseContentCoding(e68) - } - 33 => { - ErrorCode::HttpResponseTimeout - } - 34 => { - ErrorCode::HttpUpgradeFailed - } - 35 => { - ErrorCode::HttpProtocolError - } - 36 => { - ErrorCode::LoopDetected - } - 37 => { - ErrorCode::ConfigurationError - } - n => { - debug_assert_eq!(n, 38, "invalid enum discriminant"); - let e68 = { - let l64 = i32::from(*ptr0.add(32).cast::()); - - match l64 { - 0 => None, - 1 => { - let e = { - let l65 = *ptr0.add(36).cast::<*mut u8>(); - let l66 = *ptr0.add(40).cast::(); - let len67 = l66; - let bytes67 = _rt::Vec::from_raw_parts(l65.cast(), len67, len67); - - _rt::string_lift(bytes67) - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - } - }; - ErrorCode::InternalError(e68) - } - }; - - v68 - }; - Err(e) - } - _ => _rt::invalid_enum_discriminant(), - } - }; - Ok(e) - } - 1 => { - let e = (); - Err(e) - } - _ => _rt::invalid_enum_discriminant(), - } - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - } - } - } - } - impl OutgoingResponse { - #[allow(unused_unsafe, clippy::all)] - /// Construct an `outgoing-response`, with a default `status-code` of `200`. - /// If a different `status-code` is needed, it must be set via the - /// `set-status-code` method. - /// - /// * `headers` is the HTTP Headers for the Response. - pub fn new(headers: Headers) -> Self { - unsafe { - #[cfg(target_arch = "wasm32")] - #[link(wasm_import_module = "wasi:http/types@0.2.0")] - extern "C" { - #[link_name = "[constructor]outgoing-response"] - fn wit_import(_: i32) -> i32; - } - - #[cfg(not(target_arch = "wasm32"))] - fn wit_import(_: i32) -> i32 { - unreachable!() - } - let ret = wit_import((&headers).take_handle() as i32); - OutgoingResponse::from_handle(ret as u32) - } - } - } - impl OutgoingResponse { - #[allow(unused_unsafe, clippy::all)] - /// Get the HTTP Status Code for the Response. - pub fn status_code(&self) -> StatusCode { - unsafe { - #[cfg(target_arch = "wasm32")] - #[link(wasm_import_module = "wasi:http/types@0.2.0")] - extern "C" { - #[link_name = "[method]outgoing-response.status-code"] - fn wit_import(_: i32) -> i32; - } - - #[cfg(not(target_arch = "wasm32"))] - fn wit_import(_: i32) -> i32 { - unreachable!() - } - let ret = wit_import((self).handle() as i32); - ret as u16 - } - } - } - impl OutgoingResponse { - #[allow(unused_unsafe, clippy::all)] - /// Set the HTTP Status Code for the Response. Fails if the status-code - /// given is not a valid http status code. - pub fn set_status_code(&self, status_code: StatusCode) -> Result<(), ()> { - unsafe { - #[cfg(target_arch = "wasm32")] - #[link(wasm_import_module = "wasi:http/types@0.2.0")] - extern "C" { - #[link_name = "[method]outgoing-response.set-status-code"] - fn wit_import(_: i32, _: i32) -> i32; - } - - #[cfg(not(target_arch = "wasm32"))] - fn wit_import(_: i32, _: i32) -> i32 { - unreachable!() - } - let ret = wit_import((self).handle() as i32, _rt::as_i32(status_code)); - match ret { - 0 => { - let e = (); - Ok(e) - } - 1 => { - let e = (); - Err(e) - } - _ => _rt::invalid_enum_discriminant(), - } - } - } - } - impl OutgoingResponse { - #[allow(unused_unsafe, clippy::all)] - /// Get the headers associated with the Request. - /// - /// The returned `headers` resource is immutable: `set`, `append`, and - /// `delete` operations will fail with `header-error.immutable`. - /// - /// This headers resource is a child: it must be dropped before the parent - /// `outgoing-request` is dropped, or its ownership is transfered to - /// another component by e.g. `outgoing-handler.handle`. - pub fn headers(&self) -> Headers { - unsafe { - #[cfg(target_arch = "wasm32")] - #[link(wasm_import_module = "wasi:http/types@0.2.0")] - extern "C" { - #[link_name = "[method]outgoing-response.headers"] - fn wit_import(_: i32) -> i32; - } - - #[cfg(not(target_arch = "wasm32"))] - fn wit_import(_: i32) -> i32 { - unreachable!() - } - let ret = wit_import((self).handle() as i32); - Fields::from_handle(ret as u32) - } - } - } - impl OutgoingResponse { - #[allow(unused_unsafe, clippy::all)] - /// Returns the resource corresponding to the outgoing Body for this Response. - /// - /// Returns success on the first call: the `outgoing-body` resource for - /// this `outgoing-response` can be retrieved at most once. Subsequent - /// calls will return error. - pub fn body(&self) -> Result { - unsafe { - #[repr(align(4))] - struct RetArea([::core::mem::MaybeUninit; 8]); - let mut ret_area = RetArea([::core::mem::MaybeUninit::uninit(); 8]); - let ptr0 = ret_area.0.as_mut_ptr().cast::(); - #[cfg(target_arch = "wasm32")] - #[link(wasm_import_module = "wasi:http/types@0.2.0")] - extern "C" { - #[link_name = "[method]outgoing-response.body"] - fn wit_import(_: i32, _: *mut u8); - } - - #[cfg(not(target_arch = "wasm32"))] - fn wit_import(_: i32, _: *mut u8) { - unreachable!() - } - wit_import((self).handle() as i32, ptr0); - let l1 = i32::from(*ptr0.add(0).cast::()); - match l1 { - 0 => { - let e = { - let l2 = *ptr0.add(4).cast::(); - - OutgoingBody::from_handle(l2 as u32) - }; - Ok(e) - } - 1 => { - let e = (); - Err(e) - } - _ => _rt::invalid_enum_discriminant(), - } - } - } - } - impl OutgoingBody { - #[allow(unused_unsafe, clippy::all)] - /// Returns a stream for writing the body contents. - /// - /// The returned `output-stream` is a child resource: it must be dropped - /// before the parent `outgoing-body` resource is dropped (or finished), - /// otherwise the `outgoing-body` drop or `finish` will trap. - /// - /// Returns success on the first call: the `output-stream` resource for - /// this `outgoing-body` may be retrieved at most once. Subsequent calls - /// will return error. - pub fn write(&self) -> Result { - unsafe { - #[repr(align(4))] - struct RetArea([::core::mem::MaybeUninit; 8]); - let mut ret_area = RetArea([::core::mem::MaybeUninit::uninit(); 8]); - let ptr0 = ret_area.0.as_mut_ptr().cast::(); - #[cfg(target_arch = "wasm32")] - #[link(wasm_import_module = "wasi:http/types@0.2.0")] - extern "C" { - #[link_name = "[method]outgoing-body.write"] - fn wit_import(_: i32, _: *mut u8); - } - - #[cfg(not(target_arch = "wasm32"))] - fn wit_import(_: i32, _: *mut u8) { - unreachable!() - } - wit_import((self).handle() as i32, ptr0); - let l1 = i32::from(*ptr0.add(0).cast::()); - match l1 { - 0 => { - let e = { - let l2 = *ptr0.add(4).cast::(); - - super::super::super::wasi::io::streams::OutputStream::from_handle(l2 as u32) - }; - Ok(e) - } - 1 => { - let e = (); - Err(e) - } - _ => _rt::invalid_enum_discriminant(), - } - } - } - } - impl OutgoingBody { - #[allow(unused_unsafe, clippy::all)] - /// Finalize an outgoing body, optionally providing trailers. This must be - /// called to signal that the response is complete. If the `outgoing-body` - /// is dropped without calling `outgoing-body.finalize`, the implementation - /// should treat the body as corrupted. - /// - /// Fails if the body's `outgoing-request` or `outgoing-response` was - /// constructed with a Content-Length header, and the contents written - /// to the body (via `write`) does not match the value given in the - /// Content-Length. - pub fn finish( - this: OutgoingBody, - trailers: Option, - ) -> Result<(), ErrorCode> { - unsafe { - #[repr(align(8))] - struct RetArea([::core::mem::MaybeUninit; 40]); - let mut ret_area = RetArea([::core::mem::MaybeUninit::uninit(); 40]); - let (result0_0, result0_1) = match &trailers { - Some(e) => (1i32, (e).take_handle() as i32), - None => (0i32, 0i32), - }; - let ptr1 = ret_area.0.as_mut_ptr().cast::(); - #[cfg(target_arch = "wasm32")] - #[link(wasm_import_module = "wasi:http/types@0.2.0")] - extern "C" { - #[link_name = "[static]outgoing-body.finish"] - fn wit_import(_: i32, _: i32, _: i32, _: *mut u8); - } - - #[cfg(not(target_arch = "wasm32"))] - fn wit_import(_: i32, _: i32, _: i32, _: *mut u8) { - unreachable!() - } - wit_import((&this).take_handle() as i32, result0_0, result0_1, ptr1); - let l2 = i32::from(*ptr1.add(0).cast::()); - match l2 { - 0 => { - let e = (); - Ok(e) - } - 1 => { - let e = { - let l3 = i32::from(*ptr1.add(8).cast::()); - let v65 = match l3 { - 0 => ErrorCode::DnsTimeout, - 1 => { - let e65 = { - let l4 = i32::from(*ptr1.add(16).cast::()); - let l8 = i32::from(*ptr1.add(28).cast::()); - - DnsErrorPayload { - rcode: match l4 { - 0 => None, - 1 => { - let e = { - let l5 = - *ptr1.add(20).cast::<*mut u8>(); - let l6 = - *ptr1.add(24).cast::(); - let len7 = l6; - let bytes7 = - _rt::Vec::from_raw_parts( - l5.cast(), - len7, - len7, - ); - - _rt::string_lift(bytes7) - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - }, - info_code: match l8 { - 0 => None, - 1 => { - let e = { - let l9 = i32::from( - *ptr1.add(30).cast::(), - ); - - l9 as u16 - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - }, - } - }; - ErrorCode::DnsError(e65) - } - 2 => ErrorCode::DestinationNotFound, - 3 => ErrorCode::DestinationUnavailable, - 4 => ErrorCode::DestinationIpProhibited, - 5 => ErrorCode::DestinationIpUnroutable, - 6 => ErrorCode::ConnectionRefused, - 7 => ErrorCode::ConnectionTerminated, - 8 => ErrorCode::ConnectionTimeout, - 9 => ErrorCode::ConnectionReadTimeout, - 10 => ErrorCode::ConnectionWriteTimeout, - 11 => ErrorCode::ConnectionLimitReached, - 12 => ErrorCode::TlsProtocolError, - 13 => ErrorCode::TlsCertificateError, - 14 => { - let e65 = { - let l10 = i32::from(*ptr1.add(16).cast::()); - let l12 = i32::from(*ptr1.add(20).cast::()); - - TlsAlertReceivedPayload { - alert_id: match l10 { - 0 => None, - 1 => { - let e = { - let l11 = i32::from( - *ptr1.add(17).cast::(), - ); - - l11 as u8 - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - }, - alert_message: match l12 { - 0 => None, - 1 => { - let e = { - let l13 = - *ptr1.add(24).cast::<*mut u8>(); - let l14 = - *ptr1.add(28).cast::(); - let len15 = l14; - let bytes15 = - _rt::Vec::from_raw_parts( - l13.cast(), - len15, - len15, - ); - - _rt::string_lift(bytes15) - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - }, - } - }; - ErrorCode::TlsAlertReceived(e65) - } - 15 => ErrorCode::HttpRequestDenied, - 16 => ErrorCode::HttpRequestLengthRequired, - 17 => { - let e65 = { - let l16 = i32::from(*ptr1.add(16).cast::()); - - match l16 { - 0 => None, - 1 => { - let e = { - let l17 = *ptr1.add(24).cast::(); - - l17 as u64 - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - } - }; - ErrorCode::HttpRequestBodySize(e65) - } - 18 => ErrorCode::HttpRequestMethodInvalid, - 19 => ErrorCode::HttpRequestUriInvalid, - 20 => ErrorCode::HttpRequestUriTooLong, - 21 => { - let e65 = { - let l18 = i32::from(*ptr1.add(16).cast::()); - - match l18 { - 0 => None, - 1 => { - let e = { - let l19 = *ptr1.add(20).cast::(); - - l19 as u32 - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - } - }; - ErrorCode::HttpRequestHeaderSectionSize(e65) - } - 22 => { - let e65 = { - let l20 = i32::from(*ptr1.add(16).cast::()); - - match l20 { - 0 => None, - 1 => { - let e = { - let l21 = i32::from( - *ptr1.add(20).cast::(), - ); - let l25 = i32::from( - *ptr1.add(32).cast::(), - ); - - FieldSizePayload{ - field_name: match l21 { - 0 => None, - 1 => { - let e = { - let l22 = *ptr1.add(24).cast::<*mut u8>(); - let l23 = *ptr1.add(28).cast::(); - let len24 = l23; - let bytes24 = _rt::Vec::from_raw_parts(l22.cast(), len24, len24); - - _rt::string_lift(bytes24) - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - }, - field_size: match l25 { - 0 => None, - 1 => { - let e = { - let l26 = *ptr1.add(36).cast::(); - - l26 as u32 - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - }, - } - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - } - }; - ErrorCode::HttpRequestHeaderSize(e65) - } - 23 => { - let e65 = { - let l27 = i32::from(*ptr1.add(16).cast::()); - - match l27 { - 0 => None, - 1 => { - let e = { - let l28 = *ptr1.add(20).cast::(); - - l28 as u32 - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - } - }; - ErrorCode::HttpRequestTrailerSectionSize(e65) - } - 24 => { - let e65 = { - let l29 = i32::from(*ptr1.add(16).cast::()); - let l33 = i32::from(*ptr1.add(28).cast::()); - - FieldSizePayload { - field_name: match l29 { - 0 => None, - 1 => { - let e = { - let l30 = - *ptr1.add(20).cast::<*mut u8>(); - let l31 = - *ptr1.add(24).cast::(); - let len32 = l31; - let bytes32 = - _rt::Vec::from_raw_parts( - l30.cast(), - len32, - len32, - ); - - _rt::string_lift(bytes32) - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - }, - field_size: match l33 { - 0 => None, - 1 => { - let e = { - let l34 = - *ptr1.add(32).cast::(); - - l34 as u32 - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - }, - } - }; - ErrorCode::HttpRequestTrailerSize(e65) - } - 25 => ErrorCode::HttpResponseIncomplete, - 26 => { - let e65 = { - let l35 = i32::from(*ptr1.add(16).cast::()); - - match l35 { - 0 => None, - 1 => { - let e = { - let l36 = *ptr1.add(20).cast::(); - - l36 as u32 - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - } - }; - ErrorCode::HttpResponseHeaderSectionSize(e65) - } - 27 => { - let e65 = { - let l37 = i32::from(*ptr1.add(16).cast::()); - let l41 = i32::from(*ptr1.add(28).cast::()); - - FieldSizePayload { - field_name: match l37 { - 0 => None, - 1 => { - let e = { - let l38 = - *ptr1.add(20).cast::<*mut u8>(); - let l39 = - *ptr1.add(24).cast::(); - let len40 = l39; - let bytes40 = - _rt::Vec::from_raw_parts( - l38.cast(), - len40, - len40, - ); - - _rt::string_lift(bytes40) - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - }, - field_size: match l41 { - 0 => None, - 1 => { - let e = { - let l42 = - *ptr1.add(32).cast::(); - - l42 as u32 - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - }, - } - }; - ErrorCode::HttpResponseHeaderSize(e65) - } - 28 => { - let e65 = { - let l43 = i32::from(*ptr1.add(16).cast::()); - - match l43 { - 0 => None, - 1 => { - let e = { - let l44 = *ptr1.add(24).cast::(); - - l44 as u64 - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - } - }; - ErrorCode::HttpResponseBodySize(e65) - } - 29 => { - let e65 = { - let l45 = i32::from(*ptr1.add(16).cast::()); - - match l45 { - 0 => None, - 1 => { - let e = { - let l46 = *ptr1.add(20).cast::(); - - l46 as u32 - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - } - }; - ErrorCode::HttpResponseTrailerSectionSize(e65) - } - 30 => { - let e65 = { - let l47 = i32::from(*ptr1.add(16).cast::()); - let l51 = i32::from(*ptr1.add(28).cast::()); - - FieldSizePayload { - field_name: match l47 { - 0 => None, - 1 => { - let e = { - let l48 = - *ptr1.add(20).cast::<*mut u8>(); - let l49 = - *ptr1.add(24).cast::(); - let len50 = l49; - let bytes50 = - _rt::Vec::from_raw_parts( - l48.cast(), - len50, - len50, - ); - - _rt::string_lift(bytes50) - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - }, - field_size: match l51 { - 0 => None, - 1 => { - let e = { - let l52 = - *ptr1.add(32).cast::(); - - l52 as u32 - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - }, - } - }; - ErrorCode::HttpResponseTrailerSize(e65) - } - 31 => { - let e65 = { - let l53 = i32::from(*ptr1.add(16).cast::()); - - match l53 { - 0 => None, - 1 => { - let e = { - let l54 = - *ptr1.add(20).cast::<*mut u8>(); - let l55 = *ptr1.add(24).cast::(); - let len56 = l55; - let bytes56 = _rt::Vec::from_raw_parts( - l54.cast(), - len56, - len56, - ); - - _rt::string_lift(bytes56) - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - } - }; - ErrorCode::HttpResponseTransferCoding(e65) - } - 32 => { - let e65 = { - let l57 = i32::from(*ptr1.add(16).cast::()); - - match l57 { - 0 => None, - 1 => { - let e = { - let l58 = - *ptr1.add(20).cast::<*mut u8>(); - let l59 = *ptr1.add(24).cast::(); - let len60 = l59; - let bytes60 = _rt::Vec::from_raw_parts( - l58.cast(), - len60, - len60, - ); - - _rt::string_lift(bytes60) - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - } - }; - ErrorCode::HttpResponseContentCoding(e65) - } - 33 => ErrorCode::HttpResponseTimeout, - 34 => ErrorCode::HttpUpgradeFailed, - 35 => ErrorCode::HttpProtocolError, - 36 => ErrorCode::LoopDetected, - 37 => ErrorCode::ConfigurationError, - n => { - debug_assert_eq!(n, 38, "invalid enum discriminant"); - let e65 = { - let l61 = i32::from(*ptr1.add(16).cast::()); - - match l61 { - 0 => None, - 1 => { - let e = { - let l62 = - *ptr1.add(20).cast::<*mut u8>(); - let l63 = *ptr1.add(24).cast::(); - let len64 = l63; - let bytes64 = _rt::Vec::from_raw_parts( - l62.cast(), - len64, - len64, - ); - - _rt::string_lift(bytes64) - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - } - }; - ErrorCode::InternalError(e65) - } - }; - - v65 - }; - Err(e) - } - _ => _rt::invalid_enum_discriminant(), - } - } - } - } - impl FutureIncomingResponse { - #[allow(unused_unsafe, clippy::all)] - /// Returns a pollable which becomes ready when either the Response has - /// been received, or an error has occured. When this pollable is ready, - /// the `get` method will return `some`. - pub fn subscribe(&self) -> Pollable { - unsafe { - #[cfg(target_arch = "wasm32")] - #[link(wasm_import_module = "wasi:http/types@0.2.0")] - extern "C" { - #[link_name = "[method]future-incoming-response.subscribe"] - fn wit_import(_: i32) -> i32; - } - - #[cfg(not(target_arch = "wasm32"))] - fn wit_import(_: i32) -> i32 { - unreachable!() - } - let ret = wit_import((self).handle() as i32); - super::super::super::wasi::io::poll::Pollable::from_handle(ret as u32) - } - } - } - impl FutureIncomingResponse { - #[allow(unused_unsafe, clippy::all)] - /// Returns the incoming HTTP Response, or an error, once one is ready. - /// - /// The outer `option` represents future readiness. Users can wait on this - /// `option` to become `some` using the `subscribe` method. - /// - /// The outer `result` is used to retrieve the response or error at most - /// once. It will be success on the first call in which the outer option - /// is `some`, and error on subsequent calls. - /// - /// The inner `result` represents that either the incoming HTTP Response - /// status and headers have recieved successfully, or that an error - /// occured. Errors may also occur while consuming the response body, - /// but those will be reported by the `incoming-body` and its - /// `output-stream` child. - pub fn get(&self) -> Option, ()>> { - unsafe { - #[repr(align(8))] - struct RetArea([::core::mem::MaybeUninit; 56]); - let mut ret_area = RetArea([::core::mem::MaybeUninit::uninit(); 56]); - let ptr0 = ret_area.0.as_mut_ptr().cast::(); - #[cfg(target_arch = "wasm32")] - #[link(wasm_import_module = "wasi:http/types@0.2.0")] - extern "C" { - #[link_name = "[method]future-incoming-response.get"] - fn wit_import(_: i32, _: *mut u8); - } - - #[cfg(not(target_arch = "wasm32"))] - fn wit_import(_: i32, _: *mut u8) { - unreachable!() - } - wit_import((self).handle() as i32, ptr0); - let l1 = i32::from(*ptr0.add(0).cast::()); - match l1 { - 0 => None, - 1 => { - let e = { - let l2 = i32::from(*ptr0.add(8).cast::()); - - match l2 { - 0 => { - let e = { - let l3 = i32::from(*ptr0.add(16).cast::()); - - match l3 { - 0 => { - let e = { - let l4 = *ptr0.add(24).cast::(); - - IncomingResponse::from_handle(l4 as u32) - }; - Ok(e) - } - 1 => { - let e = { - let l5 = i32::from( - *ptr0.add(24).cast::(), - ); - let v67 = match l5 { - 0 => { - ErrorCode::DnsTimeout - } - 1 => { - let e67 = { - let l6 = i32::from(*ptr0.add(32).cast::()); - let l10 = i32::from(*ptr0.add(44).cast::()); - - DnsErrorPayload{ - rcode: match l6 { - 0 => None, - 1 => { - let e = { - let l7 = *ptr0.add(36).cast::<*mut u8>(); - let l8 = *ptr0.add(40).cast::(); - let len9 = l8; - let bytes9 = _rt::Vec::from_raw_parts(l7.cast(), len9, len9); - - _rt::string_lift(bytes9) - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - }, - info_code: match l10 { - 0 => None, - 1 => { - let e = { - let l11 = i32::from(*ptr0.add(46).cast::()); - - l11 as u16 - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - }, - } - }; - ErrorCode::DnsError(e67) - } - 2 => { - ErrorCode::DestinationNotFound - } - 3 => { - ErrorCode::DestinationUnavailable - } - 4 => { - ErrorCode::DestinationIpProhibited - } - 5 => { - ErrorCode::DestinationIpUnroutable - } - 6 => { - ErrorCode::ConnectionRefused - } - 7 => { - ErrorCode::ConnectionTerminated - } - 8 => { - ErrorCode::ConnectionTimeout - } - 9 => { - ErrorCode::ConnectionReadTimeout - } - 10 => { - ErrorCode::ConnectionWriteTimeout - } - 11 => { - ErrorCode::ConnectionLimitReached - } - 12 => { - ErrorCode::TlsProtocolError - } - 13 => { - ErrorCode::TlsCertificateError - } - 14 => { - let e67 = { - let l12 = i32::from(*ptr0.add(32).cast::()); - let l14 = i32::from(*ptr0.add(36).cast::()); - - TlsAlertReceivedPayload{ - alert_id: match l12 { - 0 => None, - 1 => { - let e = { - let l13 = i32::from(*ptr0.add(33).cast::()); - - l13 as u8 - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - }, - alert_message: match l14 { - 0 => None, - 1 => { - let e = { - let l15 = *ptr0.add(40).cast::<*mut u8>(); - let l16 = *ptr0.add(44).cast::(); - let len17 = l16; - let bytes17 = _rt::Vec::from_raw_parts(l15.cast(), len17, len17); - - _rt::string_lift(bytes17) - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - }, - } - }; - ErrorCode::TlsAlertReceived(e67) - } - 15 => { - ErrorCode::HttpRequestDenied - } - 16 => { - ErrorCode::HttpRequestLengthRequired - } - 17 => { - let e67 = { - let l18 = i32::from(*ptr0.add(32).cast::()); - - match l18 { - 0 => None, - 1 => { - let e = { - let l19 = *ptr0.add(40).cast::(); - - l19 as u64 - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - } - }; - ErrorCode::HttpRequestBodySize(e67) - } - 18 => { - ErrorCode::HttpRequestMethodInvalid - } - 19 => { - ErrorCode::HttpRequestUriInvalid - } - 20 => { - ErrorCode::HttpRequestUriTooLong - } - 21 => { - let e67 = { - let l20 = i32::from(*ptr0.add(32).cast::()); - - match l20 { - 0 => None, - 1 => { - let e = { - let l21 = *ptr0.add(36).cast::(); - - l21 as u32 - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - } - }; - ErrorCode::HttpRequestHeaderSectionSize(e67) - } - 22 => { - let e67 = { - let l22 = i32::from(*ptr0.add(32).cast::()); - - match l22 { - 0 => None, - 1 => { - let e = { - let l23 = i32::from(*ptr0.add(36).cast::()); - let l27 = i32::from(*ptr0.add(48).cast::()); - - FieldSizePayload{ - field_name: match l23 { - 0 => None, - 1 => { - let e = { - let l24 = *ptr0.add(40).cast::<*mut u8>(); - let l25 = *ptr0.add(44).cast::(); - let len26 = l25; - let bytes26 = _rt::Vec::from_raw_parts(l24.cast(), len26, len26); - - _rt::string_lift(bytes26) - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - }, - field_size: match l27 { - 0 => None, - 1 => { - let e = { - let l28 = *ptr0.add(52).cast::(); - - l28 as u32 - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - }, - } - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - } - }; - ErrorCode::HttpRequestHeaderSize(e67) - } - 23 => { - let e67 = { - let l29 = i32::from(*ptr0.add(32).cast::()); - - match l29 { - 0 => None, - 1 => { - let e = { - let l30 = *ptr0.add(36).cast::(); - - l30 as u32 - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - } - }; - ErrorCode::HttpRequestTrailerSectionSize(e67) - } - 24 => { - let e67 = { - let l31 = i32::from(*ptr0.add(32).cast::()); - let l35 = i32::from(*ptr0.add(44).cast::()); - - FieldSizePayload{ - field_name: match l31 { - 0 => None, - 1 => { - let e = { - let l32 = *ptr0.add(36).cast::<*mut u8>(); - let l33 = *ptr0.add(40).cast::(); - let len34 = l33; - let bytes34 = _rt::Vec::from_raw_parts(l32.cast(), len34, len34); - - _rt::string_lift(bytes34) - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - }, - field_size: match l35 { - 0 => None, - 1 => { - let e = { - let l36 = *ptr0.add(48).cast::(); - - l36 as u32 - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - }, - } - }; - ErrorCode::HttpRequestTrailerSize(e67) - } - 25 => { - ErrorCode::HttpResponseIncomplete - } - 26 => { - let e67 = { - let l37 = i32::from(*ptr0.add(32).cast::()); - - match l37 { - 0 => None, - 1 => { - let e = { - let l38 = *ptr0.add(36).cast::(); - - l38 as u32 - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - } - }; - ErrorCode::HttpResponseHeaderSectionSize(e67) - } - 27 => { - let e67 = { - let l39 = i32::from(*ptr0.add(32).cast::()); - let l43 = i32::from(*ptr0.add(44).cast::()); - - FieldSizePayload{ - field_name: match l39 { - 0 => None, - 1 => { - let e = { - let l40 = *ptr0.add(36).cast::<*mut u8>(); - let l41 = *ptr0.add(40).cast::(); - let len42 = l41; - let bytes42 = _rt::Vec::from_raw_parts(l40.cast(), len42, len42); - - _rt::string_lift(bytes42) - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - }, - field_size: match l43 { - 0 => None, - 1 => { - let e = { - let l44 = *ptr0.add(48).cast::(); - - l44 as u32 - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - }, - } - }; - ErrorCode::HttpResponseHeaderSize(e67) - } - 28 => { - let e67 = { - let l45 = i32::from(*ptr0.add(32).cast::()); - - match l45 { - 0 => None, - 1 => { - let e = { - let l46 = *ptr0.add(40).cast::(); - - l46 as u64 - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - } - }; - ErrorCode::HttpResponseBodySize(e67) - } - 29 => { - let e67 = { - let l47 = i32::from(*ptr0.add(32).cast::()); - - match l47 { - 0 => None, - 1 => { - let e = { - let l48 = *ptr0.add(36).cast::(); - - l48 as u32 - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - } - }; - ErrorCode::HttpResponseTrailerSectionSize(e67) - } - 30 => { - let e67 = { - let l49 = i32::from(*ptr0.add(32).cast::()); - let l53 = i32::from(*ptr0.add(44).cast::()); - - FieldSizePayload{ - field_name: match l49 { - 0 => None, - 1 => { - let e = { - let l50 = *ptr0.add(36).cast::<*mut u8>(); - let l51 = *ptr0.add(40).cast::(); - let len52 = l51; - let bytes52 = _rt::Vec::from_raw_parts(l50.cast(), len52, len52); - - _rt::string_lift(bytes52) - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - }, - field_size: match l53 { - 0 => None, - 1 => { - let e = { - let l54 = *ptr0.add(48).cast::(); - - l54 as u32 - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - }, - } - }; - ErrorCode::HttpResponseTrailerSize(e67) - } - 31 => { - let e67 = { - let l55 = i32::from(*ptr0.add(32).cast::()); - - match l55 { - 0 => None, - 1 => { - let e = { - let l56 = *ptr0.add(36).cast::<*mut u8>(); - let l57 = *ptr0.add(40).cast::(); - let len58 = l57; - let bytes58 = _rt::Vec::from_raw_parts(l56.cast(), len58, len58); - - _rt::string_lift(bytes58) - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - } - }; - ErrorCode::HttpResponseTransferCoding(e67) - } - 32 => { - let e67 = { - let l59 = i32::from(*ptr0.add(32).cast::()); - - match l59 { - 0 => None, - 1 => { - let e = { - let l60 = *ptr0.add(36).cast::<*mut u8>(); - let l61 = *ptr0.add(40).cast::(); - let len62 = l61; - let bytes62 = _rt::Vec::from_raw_parts(l60.cast(), len62, len62); - - _rt::string_lift(bytes62) - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - } - }; - ErrorCode::HttpResponseContentCoding(e67) - } - 33 => { - ErrorCode::HttpResponseTimeout - } - 34 => { - ErrorCode::HttpUpgradeFailed - } - 35 => { - ErrorCode::HttpProtocolError - } - 36 => { - ErrorCode::LoopDetected - } - 37 => { - ErrorCode::ConfigurationError - } - n => { - debug_assert_eq!(n, 38, "invalid enum discriminant"); - let e67 = { - let l63 = i32::from(*ptr0.add(32).cast::()); - - match l63 { - 0 => None, - 1 => { - let e = { - let l64 = *ptr0.add(36).cast::<*mut u8>(); - let l65 = *ptr0.add(40).cast::(); - let len66 = l65; - let bytes66 = _rt::Vec::from_raw_parts(l64.cast(), len66, len66); - - _rt::string_lift(bytes66) - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - } - }; - ErrorCode::InternalError(e67) - } - }; - - v67 - }; - Err(e) - } - _ => _rt::invalid_enum_discriminant(), - } - }; - Ok(e) - } - 1 => { - let e = (); - Err(e) - } - _ => _rt::invalid_enum_discriminant(), - } - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - } - } - } - } - } - - #[allow(dead_code, clippy::all)] - pub mod outgoing_handler { - #[used] - #[doc(hidden)] - #[cfg(target_arch = "wasm32")] - static __FORCE_SECTION_REF: fn() = - super::super::super::__link_custom_section_describing_imports; - use super::super::super::_rt; - pub type OutgoingRequest = super::super::super::wasi::http::types::OutgoingRequest; - pub type RequestOptions = super::super::super::wasi::http::types::RequestOptions; - pub type FutureIncomingResponse = - super::super::super::wasi::http::types::FutureIncomingResponse; - pub type ErrorCode = super::super::super::wasi::http::types::ErrorCode; - #[allow(unused_unsafe, clippy::all)] - /// This function is invoked with an outgoing HTTP Request, and it returns - /// a resource `future-incoming-response` which represents an HTTP Response - /// which may arrive in the future. - /// - /// The `options` argument accepts optional parameters for the HTTP - /// protocol's transport layer. - /// - /// This function may return an error if the `outgoing-request` is invalid - /// or not allowed to be made. Otherwise, protocol errors are reported - /// through the `future-incoming-response`. - pub fn handle( - request: OutgoingRequest, - options: Option, - ) -> Result { - unsafe { - #[repr(align(8))] - struct RetArea([::core::mem::MaybeUninit; 40]); - let mut ret_area = RetArea([::core::mem::MaybeUninit::uninit(); 40]); - let (result0_0, result0_1) = match &options { - Some(e) => (1i32, (e).take_handle() as i32), - None => (0i32, 0i32), - }; - let ptr1 = ret_area.0.as_mut_ptr().cast::(); - #[cfg(target_arch = "wasm32")] - #[link(wasm_import_module = "wasi:http/outgoing-handler@0.2.0")] - extern "C" { - #[link_name = "handle"] - fn wit_import(_: i32, _: i32, _: i32, _: *mut u8); - } - - #[cfg(not(target_arch = "wasm32"))] - fn wit_import(_: i32, _: i32, _: i32, _: *mut u8) { - unreachable!() - } - wit_import((&request).take_handle() as i32, result0_0, result0_1, ptr1); - let l2 = i32::from(*ptr1.add(0).cast::()); - match l2 { - 0 => { - let e = { - let l3 = *ptr1.add(8).cast::(); - - super::super::super::wasi::http::types::FutureIncomingResponse::from_handle(l3 as u32) - }; - Ok(e) - } - 1 => { - let e = { - let l4 = i32::from(*ptr1.add(8).cast::()); - use super::super::super::wasi::http::types::ErrorCode as V66; - let v66 = match l4 { - 0 => V66::DnsTimeout, - 1 => { - let e66 = { - let l5 = i32::from(*ptr1.add(16).cast::()); - let l9 = i32::from(*ptr1.add(28).cast::()); - - super::super::super::wasi::http::types::DnsErrorPayload{ - rcode: match l5 { - 0 => None, - 1 => { - let e = { - let l6 = *ptr1.add(20).cast::<*mut u8>(); - let l7 = *ptr1.add(24).cast::(); - let len8 = l7; - let bytes8 = _rt::Vec::from_raw_parts(l6.cast(), len8, len8); - - _rt::string_lift(bytes8) - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - }, - info_code: match l9 { - 0 => None, - 1 => { - let e = { - let l10 = i32::from(*ptr1.add(30).cast::()); - - l10 as u16 - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - }, - } - }; - V66::DnsError(e66) - } - 2 => V66::DestinationNotFound, - 3 => V66::DestinationUnavailable, - 4 => V66::DestinationIpProhibited, - 5 => V66::DestinationIpUnroutable, - 6 => V66::ConnectionRefused, - 7 => V66::ConnectionTerminated, - 8 => V66::ConnectionTimeout, - 9 => V66::ConnectionReadTimeout, - 10 => V66::ConnectionWriteTimeout, - 11 => V66::ConnectionLimitReached, - 12 => V66::TlsProtocolError, - 13 => V66::TlsCertificateError, - 14 => { - let e66 = { - let l11 = i32::from(*ptr1.add(16).cast::()); - let l13 = i32::from(*ptr1.add(20).cast::()); - - super::super::super::wasi::http::types::TlsAlertReceivedPayload{ - alert_id: match l11 { - 0 => None, - 1 => { - let e = { - let l12 = i32::from(*ptr1.add(17).cast::()); - - l12 as u8 - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - }, - alert_message: match l13 { - 0 => None, - 1 => { - let e = { - let l14 = *ptr1.add(24).cast::<*mut u8>(); - let l15 = *ptr1.add(28).cast::(); - let len16 = l15; - let bytes16 = _rt::Vec::from_raw_parts(l14.cast(), len16, len16); - - _rt::string_lift(bytes16) - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - }, - } - }; - V66::TlsAlertReceived(e66) - } - 15 => V66::HttpRequestDenied, - 16 => V66::HttpRequestLengthRequired, - 17 => { - let e66 = { - let l17 = i32::from(*ptr1.add(16).cast::()); - - match l17 { - 0 => None, - 1 => { - let e = { - let l18 = *ptr1.add(24).cast::(); - - l18 as u64 - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - } - }; - V66::HttpRequestBodySize(e66) - } - 18 => V66::HttpRequestMethodInvalid, - 19 => V66::HttpRequestUriInvalid, - 20 => V66::HttpRequestUriTooLong, - 21 => { - let e66 = { - let l19 = i32::from(*ptr1.add(16).cast::()); - - match l19 { - 0 => None, - 1 => { - let e = { - let l20 = *ptr1.add(20).cast::(); - - l20 as u32 - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - } - }; - V66::HttpRequestHeaderSectionSize(e66) - } - 22 => { - let e66 = { - let l21 = i32::from(*ptr1.add(16).cast::()); - - match l21 { - 0 => None, - 1 => { - let e = { - let l22 = - i32::from(*ptr1.add(20).cast::()); - let l26 = - i32::from(*ptr1.add(32).cast::()); - - super::super::super::wasi::http::types::FieldSizePayload{ - field_name: match l22 { - 0 => None, - 1 => { - let e = { - let l23 = *ptr1.add(24).cast::<*mut u8>(); - let l24 = *ptr1.add(28).cast::(); - let len25 = l24; - let bytes25 = _rt::Vec::from_raw_parts(l23.cast(), len25, len25); - - _rt::string_lift(bytes25) - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - }, - field_size: match l26 { - 0 => None, - 1 => { - let e = { - let l27 = *ptr1.add(36).cast::(); - - l27 as u32 - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - }, - } - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - } - }; - V66::HttpRequestHeaderSize(e66) - } - 23 => { - let e66 = { - let l28 = i32::from(*ptr1.add(16).cast::()); - - match l28 { - 0 => None, - 1 => { - let e = { - let l29 = *ptr1.add(20).cast::(); - - l29 as u32 - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - } - }; - V66::HttpRequestTrailerSectionSize(e66) - } - 24 => { - let e66 = { - let l30 = i32::from(*ptr1.add(16).cast::()); - let l34 = i32::from(*ptr1.add(28).cast::()); - - super::super::super::wasi::http::types::FieldSizePayload{ - field_name: match l30 { - 0 => None, - 1 => { - let e = { - let l31 = *ptr1.add(20).cast::<*mut u8>(); - let l32 = *ptr1.add(24).cast::(); - let len33 = l32; - let bytes33 = _rt::Vec::from_raw_parts(l31.cast(), len33, len33); - - _rt::string_lift(bytes33) - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - }, - field_size: match l34 { - 0 => None, - 1 => { - let e = { - let l35 = *ptr1.add(32).cast::(); - - l35 as u32 - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - }, - } - }; - V66::HttpRequestTrailerSize(e66) - } - 25 => V66::HttpResponseIncomplete, - 26 => { - let e66 = { - let l36 = i32::from(*ptr1.add(16).cast::()); - - match l36 { - 0 => None, - 1 => { - let e = { - let l37 = *ptr1.add(20).cast::(); - - l37 as u32 - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - } - }; - V66::HttpResponseHeaderSectionSize(e66) - } - 27 => { - let e66 = { - let l38 = i32::from(*ptr1.add(16).cast::()); - let l42 = i32::from(*ptr1.add(28).cast::()); - - super::super::super::wasi::http::types::FieldSizePayload{ - field_name: match l38 { - 0 => None, - 1 => { - let e = { - let l39 = *ptr1.add(20).cast::<*mut u8>(); - let l40 = *ptr1.add(24).cast::(); - let len41 = l40; - let bytes41 = _rt::Vec::from_raw_parts(l39.cast(), len41, len41); - - _rt::string_lift(bytes41) - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - }, - field_size: match l42 { - 0 => None, - 1 => { - let e = { - let l43 = *ptr1.add(32).cast::(); - - l43 as u32 - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - }, - } - }; - V66::HttpResponseHeaderSize(e66) - } - 28 => { - let e66 = { - let l44 = i32::from(*ptr1.add(16).cast::()); - - match l44 { - 0 => None, - 1 => { - let e = { - let l45 = *ptr1.add(24).cast::(); - - l45 as u64 - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - } - }; - V66::HttpResponseBodySize(e66) - } - 29 => { - let e66 = { - let l46 = i32::from(*ptr1.add(16).cast::()); - - match l46 { - 0 => None, - 1 => { - let e = { - let l47 = *ptr1.add(20).cast::(); - - l47 as u32 - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - } - }; - V66::HttpResponseTrailerSectionSize(e66) - } - 30 => { - let e66 = { - let l48 = i32::from(*ptr1.add(16).cast::()); - let l52 = i32::from(*ptr1.add(28).cast::()); - - super::super::super::wasi::http::types::FieldSizePayload{ - field_name: match l48 { - 0 => None, - 1 => { - let e = { - let l49 = *ptr1.add(20).cast::<*mut u8>(); - let l50 = *ptr1.add(24).cast::(); - let len51 = l50; - let bytes51 = _rt::Vec::from_raw_parts(l49.cast(), len51, len51); - - _rt::string_lift(bytes51) - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - }, - field_size: match l52 { - 0 => None, - 1 => { - let e = { - let l53 = *ptr1.add(32).cast::(); - - l53 as u32 - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - }, - } - }; - V66::HttpResponseTrailerSize(e66) - } - 31 => { - let e66 = { - let l54 = i32::from(*ptr1.add(16).cast::()); - - match l54 { - 0 => None, - 1 => { - let e = { - let l55 = *ptr1.add(20).cast::<*mut u8>(); - let l56 = *ptr1.add(24).cast::(); - let len57 = l56; - let bytes57 = _rt::Vec::from_raw_parts( - l55.cast(), - len57, - len57, - ); - - _rt::string_lift(bytes57) - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - } - }; - V66::HttpResponseTransferCoding(e66) - } - 32 => { - let e66 = { - let l58 = i32::from(*ptr1.add(16).cast::()); - - match l58 { - 0 => None, - 1 => { - let e = { - let l59 = *ptr1.add(20).cast::<*mut u8>(); - let l60 = *ptr1.add(24).cast::(); - let len61 = l60; - let bytes61 = _rt::Vec::from_raw_parts( - l59.cast(), - len61, - len61, - ); - - _rt::string_lift(bytes61) - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - } - }; - V66::HttpResponseContentCoding(e66) - } - 33 => V66::HttpResponseTimeout, - 34 => V66::HttpUpgradeFailed, - 35 => V66::HttpProtocolError, - 36 => V66::LoopDetected, - 37 => V66::ConfigurationError, - n => { - debug_assert_eq!(n, 38, "invalid enum discriminant"); - let e66 = { - let l62 = i32::from(*ptr1.add(16).cast::()); - - match l62 { - 0 => None, - 1 => { - let e = { - let l63 = *ptr1.add(20).cast::<*mut u8>(); - let l64 = *ptr1.add(24).cast::(); - let len65 = l64; - let bytes65 = _rt::Vec::from_raw_parts( - l63.cast(), - len65, - len65, - ); - - _rt::string_lift(bytes65) - }; - Some(e) - } - _ => _rt::invalid_enum_discriminant(), - } - }; - V66::InternalError(e66) - } - }; - - v66 - }; - Err(e) - } - _ => _rt::invalid_enum_discriminant(), - } - } - } - } - } - #[allow(dead_code)] - pub mod io { - #[allow(dead_code, clippy::all)] - pub mod poll { - #[used] - #[doc(hidden)] - #[cfg(target_arch = "wasm32")] - static __FORCE_SECTION_REF: fn() = - super::super::super::__link_custom_section_describing_imports; - use super::super::super::_rt; - /// `pollable` epresents a single I/O event which may be ready, or not. - - #[derive(Debug)] - #[repr(transparent)] - pub struct Pollable { - handle: _rt::Resource, - } - - impl Pollable { - #[doc(hidden)] - pub unsafe fn from_handle(handle: u32) -> Self { - Self { - handle: _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(not(target_arch = "wasm32"))] - unreachable!(); - - #[cfg(target_arch = "wasm32")] - { - #[link(wasm_import_module = "wasi:io/poll@0.2.0")] - extern "C" { - #[link_name = "[resource-drop]pollable"] - fn drop(_: u32); - } - - drop(_handle); - } - } - } - - 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. - pub fn ready(&self) -> bool { - unsafe { - #[cfg(target_arch = "wasm32")] - #[link(wasm_import_module = "wasi:io/poll@0.2.0")] - extern "C" { - #[link_name = "[method]pollable.ready"] - fn wit_import(_: i32) -> i32; - } - - #[cfg(not(target_arch = "wasm32"))] - fn wit_import(_: i32) -> i32 { - unreachable!() - } - let ret = wit_import((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. - pub fn block(&self) { - unsafe { - #[cfg(target_arch = "wasm32")] - #[link(wasm_import_module = "wasi:io/poll@0.2.0")] - extern "C" { - #[link_name = "[method]pollable.block"] - fn wit_import(_: i32); - } - - #[cfg(not(target_arch = "wasm32"))] - fn wit_import(_: i32) { - unreachable!() - } - wit_import((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` contains one or more indices of handles in the - /// argument list that is ready for I/O. - /// - /// If the list contains more elements than can be indexed with a `u32` - /// value, this function traps. - /// - /// 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 reaedy for I/O. - pub fn poll(in_: &[&Pollable]) -> _rt::Vec { - unsafe { - #[repr(align(4))] - struct RetArea([::core::mem::MaybeUninit; 8]); - let mut ret_area = RetArea([::core::mem::MaybeUninit::uninit(); 8]); - let vec0 = in_; - let len0 = vec0.len(); - let layout0 = _rt::alloc::Layout::from_size_align_unchecked(vec0.len() * 4, 4); - let result0 = if layout0.size() != 0 { - let ptr = _rt::alloc::alloc(layout0).cast::(); - if ptr.is_null() { - _rt::alloc::handle_alloc_error(layout0); - } - ptr - } else { - { - ::core::ptr::null_mut() - } - }; - for (i, e) in vec0.into_iter().enumerate() { - let base = result0.add(i * 4); - { - *base.add(0).cast::() = (e).handle() as i32; - } - } - let ptr1 = ret_area.0.as_mut_ptr().cast::(); - #[cfg(target_arch = "wasm32")] - #[link(wasm_import_module = "wasi:io/poll@0.2.0")] - extern "C" { - #[link_name = "poll"] - fn wit_import(_: *mut u8, _: usize, _: *mut u8); - } - - #[cfg(not(target_arch = "wasm32"))] - fn wit_import(_: *mut u8, _: usize, _: *mut u8) { - unreachable!() - } - wit_import(result0, len0, ptr1); - let l2 = *ptr1.add(0).cast::<*mut u8>(); - let l3 = *ptr1.add(4).cast::(); - let len4 = l3; - if layout0.size() != 0 { - _rt::alloc::dealloc(result0.cast(), layout0); - } - _rt::Vec::from_raw_parts(l2.cast(), len4, len4) - } - } - } - - #[allow(dead_code, clippy::all)] - pub mod error { - #[used] - #[doc(hidden)] - #[cfg(target_arch = "wasm32")] - 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 - /// provide functions to further "downcast" this error into more specific - /// error information. For example, `error`s returned in streams derived - /// from filesystem types to be described using the filesystem's own - /// error-code type, using the function - /// `wasi:filesystem/types/filesystem-error-code`, which takes a parameter - /// `borrow` and returns - /// `option`. - /// - /// 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, - } - - impl Error { - #[doc(hidden)] - pub unsafe fn from_handle(handle: u32) -> Self { - Self { - handle: _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(not(target_arch = "wasm32"))] - unreachable!(); - - #[cfg(target_arch = "wasm32")] - { - #[link(wasm_import_module = "wasi:io/error@0.2.0")] - extern "C" { - #[link_name = "[resource-drop]error"] - fn drop(_: u32); - } - - drop(_handle); - } - } - } - - 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. - pub fn to_debug_string(&self) -> _rt::String { - unsafe { - #[repr(align(4))] - struct RetArea([::core::mem::MaybeUninit; 8]); - let mut ret_area = RetArea([::core::mem::MaybeUninit::uninit(); 8]); - let ptr0 = ret_area.0.as_mut_ptr().cast::(); - #[cfg(target_arch = "wasm32")] - #[link(wasm_import_module = "wasi:io/error@0.2.0")] - extern "C" { - #[link_name = "[method]error.to-debug-string"] - fn wit_import(_: i32, _: *mut u8); - } - - #[cfg(not(target_arch = "wasm32"))] - fn wit_import(_: i32, _: *mut u8) { - unreachable!() - } - wit_import((self).handle() as i32, ptr0); - let l1 = *ptr0.add(0).cast::<*mut u8>(); - let l2 = *ptr0.add(4).cast::(); - let len3 = l2; - let bytes3 = _rt::Vec::from_raw_parts(l1.cast(), len3, len3); - _rt::string_lift(bytes3) - } - } - } - } - - #[allow(dead_code, clippy::all)] - pub mod streams { - #[used] - #[doc(hidden)] - #[cfg(target_arch = "wasm32")] - 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. - 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) - } - } - - 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, - } - - impl InputStream { - #[doc(hidden)] - pub unsafe fn from_handle(handle: u32) -> Self { - Self { - handle: _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(not(target_arch = "wasm32"))] - unreachable!(); - - #[cfg(target_arch = "wasm32")] - { - #[link(wasm_import_module = "wasi:io/streams@0.2.0")] - extern "C" { - #[link_name = "[resource-drop]input-stream"] - fn drop(_: u32); - } - - drop(_handle); - } - } - } - - /// 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`. - - #[derive(Debug)] - #[repr(transparent)] - pub struct OutputStream { - handle: _rt::Resource, - } - - impl OutputStream { - #[doc(hidden)] - pub unsafe fn from_handle(handle: u32) -> Self { - Self { - handle: _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(not(target_arch = "wasm32"))] - unreachable!(); - - #[cfg(target_arch = "wasm32")] - { - #[link(wasm_import_module = "wasi:io/streams@0.2.0")] - extern "C" { - #[link_name = "[resource-drop]output-stream"] - fn drop(_: u32); - } - - drop(_handle); - } - } - } - - impl InputStream { - #[allow(unused_unsafe, clippy::all)] - /// Perform a non-blocking read from the stream. - /// - /// 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. - pub fn read(&self, len: u64) -> Result<_rt::Vec, StreamError> { - unsafe { - #[repr(align(4))] - struct RetArea([::core::mem::MaybeUninit; 12]); - let mut ret_area = RetArea([::core::mem::MaybeUninit::uninit(); 12]); - let ptr0 = ret_area.0.as_mut_ptr().cast::(); - #[cfg(target_arch = "wasm32")] - #[link(wasm_import_module = "wasi:io/streams@0.2.0")] - extern "C" { - #[link_name = "[method]input-stream.read"] - fn wit_import(_: i32, _: i64, _: *mut u8); - } - - #[cfg(not(target_arch = "wasm32"))] - fn wit_import(_: i32, _: i64, _: *mut u8) { - unreachable!() - } - wit_import((self).handle() as i32, _rt::as_i64(&len), ptr0); - let l1 = i32::from(*ptr0.add(0).cast::()); - match l1 { - 0 => { - let e = { - let l2 = *ptr0.add(4).cast::<*mut u8>(); - let l3 = *ptr0.add(8).cast::(); - let len4 = l3; - - _rt::Vec::from_raw_parts(l2.cast(), len4, len4) - }; - Ok(e) - } - 1 => { - let e = { - let l5 = i32::from(*ptr0.add(4).cast::()); - let v7 = match l5 { - 0 => { - let e7 = { - let l6 = *ptr0.add(8).cast::(); - - super::super::super::wasi::io::error::Error::from_handle(l6 as u32) - }; - StreamError::LastOperationFailed(e7) - } - n => { - debug_assert_eq!(n, 1, "invalid enum discriminant"); - StreamError::Closed - } - }; - - v7 - }; - Err(e) - } - _ => _rt::invalid_enum_discriminant(), - } - } - } - } - 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`. - pub fn blocking_read(&self, len: u64) -> Result<_rt::Vec, StreamError> { - unsafe { - #[repr(align(4))] - struct RetArea([::core::mem::MaybeUninit; 12]); - let mut ret_area = RetArea([::core::mem::MaybeUninit::uninit(); 12]); - let ptr0 = ret_area.0.as_mut_ptr().cast::(); - #[cfg(target_arch = "wasm32")] - #[link(wasm_import_module = "wasi:io/streams@0.2.0")] - extern "C" { - #[link_name = "[method]input-stream.blocking-read"] - fn wit_import(_: i32, _: i64, _: *mut u8); - } - - #[cfg(not(target_arch = "wasm32"))] - fn wit_import(_: i32, _: i64, _: *mut u8) { - unreachable!() - } - wit_import((self).handle() as i32, _rt::as_i64(&len), ptr0); - let l1 = i32::from(*ptr0.add(0).cast::()); - match l1 { - 0 => { - let e = { - let l2 = *ptr0.add(4).cast::<*mut u8>(); - let l3 = *ptr0.add(8).cast::(); - let len4 = l3; - - _rt::Vec::from_raw_parts(l2.cast(), len4, len4) - }; - Ok(e) - } - 1 => { - let e = { - let l5 = i32::from(*ptr0.add(4).cast::()); - let v7 = match l5 { - 0 => { - let e7 = { - let l6 = *ptr0.add(8).cast::(); - - super::super::super::wasi::io::error::Error::from_handle(l6 as u32) - }; - StreamError::LastOperationFailed(e7) - } - n => { - debug_assert_eq!(n, 1, "invalid enum discriminant"); - StreamError::Closed - } - }; - - v7 - }; - Err(e) - } - _ => _rt::invalid_enum_discriminant(), - } - } - } - } - 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. - pub fn skip(&self, len: u64) -> Result { - unsafe { - #[repr(align(8))] - struct RetArea([::core::mem::MaybeUninit; 16]); - let mut ret_area = RetArea([::core::mem::MaybeUninit::uninit(); 16]); - let ptr0 = ret_area.0.as_mut_ptr().cast::(); - #[cfg(target_arch = "wasm32")] - #[link(wasm_import_module = "wasi:io/streams@0.2.0")] - extern "C" { - #[link_name = "[method]input-stream.skip"] - fn wit_import(_: i32, _: i64, _: *mut u8); - } - - #[cfg(not(target_arch = "wasm32"))] - fn wit_import(_: i32, _: i64, _: *mut u8) { - unreachable!() - } - wit_import((self).handle() as i32, _rt::as_i64(&len), ptr0); - let l1 = i32::from(*ptr0.add(0).cast::()); - match l1 { - 0 => { - let e = { - let l2 = *ptr0.add(8).cast::(); - - l2 as u64 - }; - Ok(e) - } - 1 => { - let e = { - let l3 = i32::from(*ptr0.add(8).cast::()); - let v5 = match l3 { - 0 => { - let e5 = { - let l4 = *ptr0.add(12).cast::(); - - 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(), - } - } - } - } - 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`. - pub fn blocking_skip(&self, len: u64) -> Result { - unsafe { - #[repr(align(8))] - struct RetArea([::core::mem::MaybeUninit; 16]); - let mut ret_area = RetArea([::core::mem::MaybeUninit::uninit(); 16]); - let ptr0 = ret_area.0.as_mut_ptr().cast::(); - #[cfg(target_arch = "wasm32")] - #[link(wasm_import_module = "wasi:io/streams@0.2.0")] - extern "C" { - #[link_name = "[method]input-stream.blocking-skip"] - fn wit_import(_: i32, _: i64, _: *mut u8); - } - - #[cfg(not(target_arch = "wasm32"))] - fn wit_import(_: i32, _: i64, _: *mut u8) { - unreachable!() - } - wit_import((self).handle() as i32, _rt::as_i64(&len), ptr0); - let l1 = i32::from(*ptr0.add(0).cast::()); - match l1 { - 0 => { - let e = { - let l2 = *ptr0.add(8).cast::(); - - l2 as u64 - }; - Ok(e) - } - 1 => { - let e = { - let l3 = i32::from(*ptr0.add(8).cast::()); - let v5 = match l3 { - 0 => { - let e5 = { - let l4 = *ptr0.add(12).cast::(); - - 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(), - } - } - } - } - 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. - pub fn subscribe(&self) -> Pollable { - unsafe { - #[cfg(target_arch = "wasm32")] - #[link(wasm_import_module = "wasi:io/streams@0.2.0")] - extern "C" { - #[link_name = "[method]input-stream.subscribe"] - fn wit_import(_: i32) -> i32; - } - - #[cfg(not(target_arch = "wasm32"))] - fn wit_import(_: i32) -> i32 { - unreachable!() - } - let ret = wit_import((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. - pub fn check_write(&self) -> Result { - unsafe { - #[repr(align(8))] - struct RetArea([::core::mem::MaybeUninit; 16]); - let mut ret_area = RetArea([::core::mem::MaybeUninit::uninit(); 16]); - let ptr0 = ret_area.0.as_mut_ptr().cast::(); - #[cfg(target_arch = "wasm32")] - #[link(wasm_import_module = "wasi:io/streams@0.2.0")] - extern "C" { - #[link_name = "[method]output-stream.check-write"] - fn wit_import(_: i32, _: *mut u8); - } - - #[cfg(not(target_arch = "wasm32"))] - fn wit_import(_: i32, _: *mut u8) { - unreachable!() - } - wit_import((self).handle() as i32, ptr0); - let l1 = i32::from(*ptr0.add(0).cast::()); - match l1 { - 0 => { - let e = { - let l2 = *ptr0.add(8).cast::(); - - l2 as u64 - }; - Ok(e) - } - 1 => { - let e = { - let l3 = i32::from(*ptr0.add(8).cast::()); - let v5 = match l3 { - 0 => { - let e5 = { - let l4 = *ptr0.add(12).cast::(); - - 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(), - } - } - } - } - impl OutputStream { - #[allow(unused_unsafe, clippy::all)] - /// Perform a write. This function never blocks. - /// - /// 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. - pub fn write(&self, contents: &[u8]) -> Result<(), StreamError> { - unsafe { - #[repr(align(4))] - struct RetArea([::core::mem::MaybeUninit; 12]); - let mut ret_area = RetArea([::core::mem::MaybeUninit::uninit(); 12]); - let vec0 = contents; - let ptr0 = vec0.as_ptr().cast::(); - let len0 = vec0.len(); - let ptr1 = ret_area.0.as_mut_ptr().cast::(); - #[cfg(target_arch = "wasm32")] - #[link(wasm_import_module = "wasi:io/streams@0.2.0")] - extern "C" { - #[link_name = "[method]output-stream.write"] - fn wit_import(_: i32, _: *mut u8, _: usize, _: *mut u8); - } - - #[cfg(not(target_arch = "wasm32"))] - fn wit_import(_: i32, _: *mut u8, _: usize, _: *mut u8) { - unreachable!() - } - wit_import((self).handle() as i32, ptr0.cast_mut(), len0, ptr1); - let l2 = i32::from(*ptr1.add(0).cast::()); - match l2 { - 0 => { - let e = (); - Ok(e) - } - 1 => { - let e = { - let l3 = i32::from(*ptr1.add(4).cast::()); - let v5 = match l3 { - 0 => { - let e5 = { - let l4 = *ptr1.add(8).cast::(); - - 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(), - } - } - } - } - 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 - /// poll-one(pollable); - /// 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` - /// poll-one(pollable); - /// // Check for any errors that arose during `flush` - /// let _ = this.check-write(); // eliding error handling - /// ``` - pub fn blocking_write_and_flush(&self, contents: &[u8]) -> Result<(), StreamError> { - unsafe { - #[repr(align(4))] - struct RetArea([::core::mem::MaybeUninit; 12]); - let mut ret_area = RetArea([::core::mem::MaybeUninit::uninit(); 12]); - let vec0 = contents; - let ptr0 = vec0.as_ptr().cast::(); - let len0 = vec0.len(); - let ptr1 = ret_area.0.as_mut_ptr().cast::(); - #[cfg(target_arch = "wasm32")] - #[link(wasm_import_module = "wasi:io/streams@0.2.0")] - extern "C" { - #[link_name = "[method]output-stream.blocking-write-and-flush"] - fn wit_import(_: i32, _: *mut u8, _: usize, _: *mut u8); - } - - #[cfg(not(target_arch = "wasm32"))] - fn wit_import(_: i32, _: *mut u8, _: usize, _: *mut u8) { - unreachable!() - } - wit_import((self).handle() as i32, ptr0.cast_mut(), len0, ptr1); - let l2 = i32::from(*ptr1.add(0).cast::()); - match l2 { - 0 => { - let e = (); - Ok(e) - } - 1 => { - let e = { - let l3 = i32::from(*ptr1.add(4).cast::()); - let v5 = match l3 { - 0 => { - let e5 = { - let l4 = *ptr1.add(8).cast::(); - - 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(), - } - } - } - } - 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. - pub fn flush(&self) -> Result<(), StreamError> { - unsafe { - #[repr(align(4))] - struct RetArea([::core::mem::MaybeUninit; 12]); - let mut ret_area = RetArea([::core::mem::MaybeUninit::uninit(); 12]); - let ptr0 = ret_area.0.as_mut_ptr().cast::(); - #[cfg(target_arch = "wasm32")] - #[link(wasm_import_module = "wasi:io/streams@0.2.0")] - extern "C" { - #[link_name = "[method]output-stream.flush"] - fn wit_import(_: i32, _: *mut u8); - } - - #[cfg(not(target_arch = "wasm32"))] - fn wit_import(_: i32, _: *mut u8) { - unreachable!() - } - wit_import((self).handle() as i32, ptr0); - let l1 = i32::from(*ptr0.add(0).cast::()); - match l1 { - 0 => { - let e = (); - Ok(e) - } - 1 => { - let e = { - let l2 = i32::from(*ptr0.add(4).cast::()); - let v4 = match l2 { - 0 => { - let e4 = { - let l3 = *ptr0.add(8).cast::(); - - super::super::super::wasi::io::error::Error::from_handle(l3 as u32) - }; - StreamError::LastOperationFailed(e4) - } - n => { - debug_assert_eq!(n, 1, "invalid enum discriminant"); - StreamError::Closed - } - }; - - v4 - }; - Err(e) - } - _ => _rt::invalid_enum_discriminant(), - } - } - } - } - impl OutputStream { - #[allow(unused_unsafe, clippy::all)] - /// Request to flush buffered output, and block until flush completes - /// and stream is ready for writing again. - pub fn blocking_flush(&self) -> Result<(), StreamError> { - unsafe { - #[repr(align(4))] - struct RetArea([::core::mem::MaybeUninit; 12]); - let mut ret_area = RetArea([::core::mem::MaybeUninit::uninit(); 12]); - let ptr0 = ret_area.0.as_mut_ptr().cast::(); - #[cfg(target_arch = "wasm32")] - #[link(wasm_import_module = "wasi:io/streams@0.2.0")] - extern "C" { - #[link_name = "[method]output-stream.blocking-flush"] - fn wit_import(_: i32, _: *mut u8); - } - - #[cfg(not(target_arch = "wasm32"))] - fn wit_import(_: i32, _: *mut u8) { - unreachable!() - } - wit_import((self).handle() as i32, ptr0); - let l1 = i32::from(*ptr0.add(0).cast::()); - match l1 { - 0 => { - let e = (); - Ok(e) - } - 1 => { - let e = { - let l2 = i32::from(*ptr0.add(4).cast::()); - let v4 = match l2 { - 0 => { - let e4 = { - let l3 = *ptr0.add(8).cast::(); - - super::super::super::wasi::io::error::Error::from_handle(l3 as u32) - }; - StreamError::LastOperationFailed(e4) - } - n => { - debug_assert_eq!(n, 1, "invalid enum discriminant"); - StreamError::Closed - } - }; - - v4 - }; - Err(e) - } - _ => _rt::invalid_enum_discriminant(), - } - } - } - } - 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 occured. 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. - pub fn subscribe(&self) -> Pollable { - unsafe { - #[cfg(target_arch = "wasm32")] - #[link(wasm_import_module = "wasi:io/streams@0.2.0")] - extern "C" { - #[link_name = "[method]output-stream.subscribe"] - fn wit_import(_: i32) -> i32; - } - - #[cfg(not(target_arch = "wasm32"))] - fn wit_import(_: i32) -> i32 { - unreachable!() - } - let ret = wit_import((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. - pub fn write_zeroes(&self, len: u64) -> Result<(), StreamError> { - unsafe { - #[repr(align(4))] - struct RetArea([::core::mem::MaybeUninit; 12]); - let mut ret_area = RetArea([::core::mem::MaybeUninit::uninit(); 12]); - let ptr0 = ret_area.0.as_mut_ptr().cast::(); - #[cfg(target_arch = "wasm32")] - #[link(wasm_import_module = "wasi:io/streams@0.2.0")] - extern "C" { - #[link_name = "[method]output-stream.write-zeroes"] - fn wit_import(_: i32, _: i64, _: *mut u8); - } - - #[cfg(not(target_arch = "wasm32"))] - fn wit_import(_: i32, _: i64, _: *mut u8) { - unreachable!() - } - wit_import((self).handle() as i32, _rt::as_i64(&len), ptr0); - let l1 = i32::from(*ptr0.add(0).cast::()); - match l1 { - 0 => { - let e = (); - Ok(e) - } - 1 => { - let e = { - let l2 = i32::from(*ptr0.add(4).cast::()); - let v4 = match l2 { - 0 => { - let e4 = { - let l3 = *ptr0.add(8).cast::(); - - super::super::super::wasi::io::error::Error::from_handle(l3 as u32) - }; - StreamError::LastOperationFailed(e4) - } - n => { - debug_assert_eq!(n, 1, "invalid enum discriminant"); - StreamError::Closed - } - }; - - v4 - }; - Err(e) - } - _ => _rt::invalid_enum_discriminant(), - } - } - } - } - 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 - /// poll-one(pollable); - /// 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` - /// poll-one(pollable); - /// // Check for any errors that arose during `flush` - /// let _ = this.check-write(); // eliding error handling - /// ``` - pub fn blocking_write_zeroes_and_flush(&self, len: u64) -> Result<(), StreamError> { - unsafe { - #[repr(align(4))] - struct RetArea([::core::mem::MaybeUninit; 12]); - let mut ret_area = RetArea([::core::mem::MaybeUninit::uninit(); 12]); - let ptr0 = ret_area.0.as_mut_ptr().cast::(); - #[cfg(target_arch = "wasm32")] - #[link(wasm_import_module = "wasi:io/streams@0.2.0")] - extern "C" { - #[link_name = "[method]output-stream.blocking-write-zeroes-and-flush"] - fn wit_import(_: i32, _: i64, _: *mut u8); - } - - #[cfg(not(target_arch = "wasm32"))] - fn wit_import(_: i32, _: i64, _: *mut u8) { - unreachable!() - } - wit_import((self).handle() as i32, _rt::as_i64(&len), ptr0); - let l1 = i32::from(*ptr0.add(0).cast::()); - match l1 { - 0 => { - let e = (); - Ok(e) - } - 1 => { - let e = { - let l2 = i32::from(*ptr0.add(4).cast::()); - let v4 = match l2 { - 0 => { - let e4 = { - let l3 = *ptr0.add(8).cast::(); - - super::super::super::wasi::io::error::Error::from_handle(l3 as u32) - }; - StreamError::LastOperationFailed(e4) - } - n => { - debug_assert_eq!(n, 1, "invalid enum discriminant"); - StreamError::Closed - } - }; - - v4 - }; - Err(e) - } - _ => _rt::invalid_enum_discriminant(), - } - } - } - } - impl OutputStream { - #[allow(unused_unsafe, clippy::all)] - /// Read from one stream and write to another. - /// - /// The behavior of splice is equivelant 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`. - pub fn splice(&self, src: &InputStream, len: u64) -> Result { - unsafe { - #[repr(align(8))] - struct RetArea([::core::mem::MaybeUninit; 16]); - let mut ret_area = RetArea([::core::mem::MaybeUninit::uninit(); 16]); - let ptr0 = ret_area.0.as_mut_ptr().cast::(); - #[cfg(target_arch = "wasm32")] - #[link(wasm_import_module = "wasi:io/streams@0.2.0")] - extern "C" { - #[link_name = "[method]output-stream.splice"] - fn wit_import(_: i32, _: i32, _: i64, _: *mut u8); - } - - #[cfg(not(target_arch = "wasm32"))] - fn wit_import(_: i32, _: i32, _: i64, _: *mut u8) { - unreachable!() - } - wit_import( - (self).handle() as i32, - (src).handle() as i32, - _rt::as_i64(&len), - ptr0, - ); - let l1 = i32::from(*ptr0.add(0).cast::()); - match l1 { - 0 => { - let e = { - let l2 = *ptr0.add(8).cast::(); - - l2 as u64 - }; - Ok(e) - } - 1 => { - let e = { - let l3 = i32::from(*ptr0.add(8).cast::()); - let v5 = match l3 { - 0 => { - let e5 = { - let l4 = *ptr0.add(12).cast::(); - - 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(), - } - } - } - } - 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`. - pub fn blocking_splice( - &self, - src: &InputStream, - len: u64, - ) -> Result { - unsafe { - #[repr(align(8))] - struct RetArea([::core::mem::MaybeUninit; 16]); - let mut ret_area = RetArea([::core::mem::MaybeUninit::uninit(); 16]); - let ptr0 = ret_area.0.as_mut_ptr().cast::(); - #[cfg(target_arch = "wasm32")] - #[link(wasm_import_module = "wasi:io/streams@0.2.0")] - extern "C" { - #[link_name = "[method]output-stream.blocking-splice"] - fn wit_import(_: i32, _: i32, _: i64, _: *mut u8); - } - - #[cfg(not(target_arch = "wasm32"))] - fn wit_import(_: i32, _: i32, _: i64, _: *mut u8) { - unreachable!() - } - wit_import( - (self).handle() as i32, - (src).handle() as i32, - _rt::as_i64(&len), - ptr0, - ); - let l1 = i32::from(*ptr0.add(0).cast::()); - match l1 { - 0 => { - let e = { - let l2 = *ptr0.add(8).cast::(); - - l2 as u64 - }; - Ok(e) - } - 1 => { - let e = { - let l3 = i32::from(*ptr0.add(8).cast::()); - let v5 = match l3 { - 0 => { - let e5 = { - let l4 = *ptr0.add(12).cast::(); - - 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(), - } - } - } - } - } - } - #[allow(dead_code)] - pub mod random { - #[allow(dead_code, clippy::all)] - pub mod random { - #[used] - #[doc(hidden)] - #[cfg(target_arch = "wasm32")] - 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. - pub fn get_random_bytes(len: u64) -> _rt::Vec { - unsafe { - #[repr(align(4))] - struct RetArea([::core::mem::MaybeUninit; 8]); - let mut ret_area = RetArea([::core::mem::MaybeUninit::uninit(); 8]); - let ptr0 = ret_area.0.as_mut_ptr().cast::(); - #[cfg(target_arch = "wasm32")] - #[link(wasm_import_module = "wasi:random/random@0.2.0")] - extern "C" { - #[link_name = "get-random-bytes"] - fn wit_import(_: i64, _: *mut u8); - } - - #[cfg(not(target_arch = "wasm32"))] - fn wit_import(_: i64, _: *mut u8) { - unreachable!() - } - wit_import(_rt::as_i64(&len), ptr0); - let l1 = *ptr0.add(0).cast::<*mut u8>(); - let l2 = *ptr0.add(4).cast::(); - let len3 = l2; - _rt::Vec::from_raw_parts(l1.cast(), len3, len3) - } - } - #[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`. - pub fn get_random_u64() -> u64 { - unsafe { - #[cfg(target_arch = "wasm32")] - #[link(wasm_import_module = "wasi:random/random@0.2.0")] - extern "C" { - #[link_name = "get-random-u64"] - fn wit_import() -> i64; - } - - #[cfg(not(target_arch = "wasm32"))] - fn wit_import() -> i64 { - unreachable!() - } - let ret = wit_import(); - ret as u64 - } - } - } - } -} -#[allow(dead_code)] -pub mod exports { - #[allow(dead_code)] - pub mod wasi { - #[allow(dead_code)] - pub mod http { - #[allow(dead_code, clippy::all)] - pub mod incoming_handler { - #[used] - #[doc(hidden)] - #[cfg(target_arch = "wasm32")] - static __FORCE_SECTION_REF: fn() = - super::super::super::super::__link_custom_section_describing_imports; - use super::super::super::super::_rt; - pub type IncomingRequest = - super::super::super::super::wasi::http::types::IncomingRequest; - pub type ResponseOutparam = - super::super::super::super::wasi::http::types::ResponseOutparam; - #[doc(hidden)] - #[allow(non_snake_case)] - pub unsafe fn _export_handle_cabi(arg0: i32, arg1: i32) { - #[cfg(target_arch = "wasm32")] - _rt::run_ctors_once(); - T::handle(super::super::super::super::wasi::http::types::IncomingRequest::from_handle(arg0 as u32), super::super::super::super::wasi::http::types::ResponseOutparam::from_handle(arg1 as u32)); - } - pub trait Guest { - /// This function is invoked with an incoming HTTP Request, and a resource - /// `response-outparam` which provides the capability to reply with an HTTP - /// Response. The response is sent by calling the `response-outparam.set` - /// method, which allows execution to continue after the response has been - /// sent. This enables both streaming to the response body, and performing other - /// work. - /// - /// The implementor of this function must write a response to the - /// `response-outparam` before returning, or else the caller will respond - /// with an error on its behalf. - fn handle(request: IncomingRequest, response_out: ResponseOutparam); - } - #[doc(hidden)] - - macro_rules! __export_wasi_http_incoming_handler_0_2_0_cabi{ - ($ty:ident with_types_in $($path_to_types:tt)*) => (const _: () = { - - #[export_name = "wasi:http/incoming-handler@0.2.0#handle"] - unsafe extern "C" fn export_handle(arg0: i32,arg1: i32,) { - $($path_to_types)*::_export_handle_cabi::<$ty>(arg0, arg1) - } - };); - } - #[doc(hidden)] - pub(crate) use __export_wasi_http_incoming_handler_0_2_0_cabi; - } - } - } -} -mod _rt { - - 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 { - // NB: This would ideally be `u32` but it is not. The fact that this has - // interior mutability is not exposed in the API of this type except for the - // `take_handle` method which is supposed to in theory be private. - // - // This represents, almost all the time, a valid handle value. When it's - // invalid it's stored as `u32::MAX`. - handle: AtomicU32, - _marker: marker::PhantomData, - } - - /// 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 Resource { - #[doc(hidden)] - pub unsafe fn from_handle(handle: u32) -> Self { - debug_assert!(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` 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` 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) -> u32 { - resource.handle.swap(u32::MAX, Relaxed) - } - - #[doc(hidden)] - pub fn handle(resource: &Resource) -> u32 { - resource.handle.load(Relaxed) - } - } - - impl fmt::Debug for Resource { - fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - f.debug_struct("Resource") - .field("handle", &self.handle) - .finish() - } - } - - impl Drop for Resource { - fn drop(&mut self) { - unsafe { - match self.handle.load(Relaxed) { - // If this handle was "taken" then don't do anything in the - // destructor. - u32::MAX => {} - - // ... but otherwise do actually destroy it with the imported - // component model intrinsic as defined through `T`. - 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 use alloc_crate::vec::Vec; - - pub fn as_i64(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 use alloc_crate::string::String; - pub unsafe fn string_lift(bytes: Vec) -> String { - if cfg!(debug_assertions) { - String::from_utf8(bytes).unwrap() - } else { - String::from_utf8_unchecked(bytes) - } - } - pub unsafe fn invalid_enum_discriminant() -> T { - if cfg!(debug_assertions) { - panic!("invalid enum discriminant") - } else { - core::hint::unreachable_unchecked() - } - } - pub unsafe fn cabi_dealloc(ptr: *mut u8, size: usize, align: usize) { - if size == 0 { - return; - } - let layout = alloc::Layout::from_size_align_unchecked(size, align); - alloc::dealloc(ptr as *mut u8, layout); - } - - pub fn as_i32(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 - } - } - - #[cfg(target_arch = "wasm32")] - pub fn run_ctors_once() { - wit_bindgen_rt::run_ctors_once(); - } - extern crate alloc as alloc_crate; -} - -/// Generates `#[no_mangle]` functions to export the specified type as the -/// root implementation of all generated traits. -/// -/// For more information see the documentation of `wit_bindgen::generate!`. -/// -/// ```rust -/// # macro_rules! export{ ($($t:tt)*) => (); } -/// # trait Guest {} -/// struct MyType; -/// -/// impl Guest for MyType { -/// // ... -/// } -/// -/// export!(MyType); -/// ``` -#[allow(unused_macros)] -#[doc(hidden)] - -macro_rules! __export_target_world_impl { - ($ty:ident) => (self::export!($ty with_types_in self);); - ($ty:ident with_types_in $($path_to_types_root:tt)*) => ( - $($path_to_types_root)*::exports::wasi::http::incoming_handler::__export_wasi_http_incoming_handler_0_2_0_cabi!($ty with_types_in $($path_to_types_root)*::exports::wasi::http::incoming_handler); - ) -} -#[doc(inline)] -pub(crate) use __export_target_world_impl as export; - -#[cfg(target_arch = "wasm32")] -#[link_section = "component-type:wit-bindgen:0.25.0:target-world:encoded world"] -#[doc(hidden)] -pub static __WIT_BINDGEN_COMPONENT_TYPE: [u8; 7050] = *b"\ -\0asm\x0d\0\x01\0\0\x19\x16wit-component-encoding\x04\0\x07\x876\x01A\x02\x01A#\x01\ -B\x0a\x04\0\x08pollable\x03\x01\x01h\0\x01@\x01\x04self\x01\0\x7f\x04\0\x16[meth\ -od]pollable.ready\x01\x02\x01@\x01\x04self\x01\x01\0\x04\0\x16[method]pollable.b\ -lock\x01\x03\x01p\x01\x01py\x01@\x01\x02in\x04\0\x05\x04\0\x04poll\x01\x06\x03\x01\ -\x12wasi:io/poll@0.2.0\x05\0\x02\x03\0\0\x08pollable\x01B\x0f\x02\x03\x02\x01\x01\ -\x04\0\x08pollable\x03\0\0\x01w\x04\0\x07instant\x03\0\x02\x01w\x04\0\x08duratio\ -n\x03\0\x04\x01@\0\0\x03\x04\0\x03now\x01\x06\x01@\0\0\x05\x04\0\x0aresolution\x01\ -\x07\x01i\x01\x01@\x01\x04when\x03\0\x08\x04\0\x11subscribe-instant\x01\x09\x01@\ -\x01\x04when\x05\0\x08\x04\0\x12subscribe-duration\x01\x0a\x03\x01!wasi:clocks/m\ 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-ut-stream\x03\0\0\x01i\x01\x01@\0\0\x02\x04\0\x0aget-stderr\x01\x03\x03\x01\x15w\ -asi:cli/stderr@0.2.0\x05\x0c\x01B\x05\x02\x03\x02\x01\x07\x04\0\x0cinput-stream\x03\ -\0\0\x01i\x01\x01@\0\0\x02\x04\0\x09get-stdin\x01\x03\x03\x01\x14wasi:cli/stdin@\ -0.2.0\x05\x0d\x02\x03\0\x04\x10outgoing-request\x02\x03\0\x04\x0frequest-options\ -\x02\x03\0\x04\x18future-incoming-response\x02\x03\0\x04\x0aerror-code\x01B\x0f\x02\ -\x03\x02\x01\x0e\x04\0\x10outgoing-request\x03\0\0\x02\x03\x02\x01\x0f\x04\0\x0f\ -request-options\x03\0\x02\x02\x03\x02\x01\x10\x04\0\x18future-incoming-response\x03\ -\0\x04\x02\x03\x02\x01\x11\x04\0\x0aerror-code\x03\0\x06\x01i\x01\x01i\x03\x01k\x09\ -\x01i\x05\x01j\x01\x0b\x01\x07\x01@\x02\x07request\x08\x07options\x0a\0\x0c\x04\0\ -\x06handle\x01\x0d\x03\x01\x20wasi:http/outgoing-handler@0.2.0\x05\x12\x01B\x05\x01\ -r\x02\x07secondsw\x0bnanosecondsy\x04\0\x08datetime\x03\0\0\x01@\0\0\x01\x04\0\x03\ -now\x01\x02\x04\0\x0aresolution\x01\x02\x03\x01\x1cwasi:clocks/wall-clock@0.2.0\x05\ -\x13\x02\x03\0\x04\x10incoming-request\x02\x03\0\x04\x11response-outparam\x01B\x08\ -\x02\x03\x02\x01\x14\x04\0\x10incoming-request\x03\0\0\x02\x03\x02\x01\x15\x04\0\ -\x11response-outparam\x03\0\x02\x01i\x01\x01i\x03\x01@\x02\x07request\x04\x0cres\ -ponse-out\x05\x01\0\x04\0\x06handle\x01\x06\x04\x01\x20wasi:http/incoming-handle\ -r@0.2.0\x05\x16\x04\x01(sunfishcode:rust-wasi-hello/target-world\x04\0\x0b\x12\x01\ -\0\x0ctarget-world\x03\0\0\0G\x09producers\x01\x0cprocessed-by\x02\x0dwit-compon\ -ent\x070.208.1\x10wit-bindgen-rust\x060.25.0"; - -#[inline(never)] -#[doc(hidden)] -#[cfg(target_arch = "wasm32")] -pub fn __link_custom_section_describing_imports() { - wit_bindgen_rt::maybe_link_cabi_realloc(); -} diff --git a/src/lib.rs b/src/lib.rs index c4a3b60..a784963 100644 --- a/src/lib.rs +++ b/src/lib.rs @@ -1,14 +1,11 @@ -mod bindings; - -pub use bindings::wasi::http::types::{ +pub use wasi::http::types::{ Fields, IncomingRequest, OutgoingBody, OutgoingResponse, ResponseOutparam, }; struct Component; +wasi::http::proxy::export!(Component); -bindings::export!(Component with_types_in bindings); - -impl bindings::exports::wasi::http::incoming_handler::Guest for Component { +impl wasi::exports::http::incoming_handler::Guest for Component { fn handle(_request: IncomingRequest, outparam: ResponseOutparam) { let hdrs = Fields::new(); let resp = OutgoingResponse::new(hdrs); diff --git a/wit/deps/cli/command.wit b/wit/deps/cli/command.wit deleted file mode 100644 index d8005bd..0000000 --- a/wit/deps/cli/command.wit +++ /dev/null @@ -1,7 +0,0 @@ -package wasi:cli@0.2.0; - -world command { - include imports; - - export run; -} diff --git a/wit/deps/cli/environment.wit b/wit/deps/cli/environment.wit deleted file mode 100644 index 7006523..0000000 --- a/wit/deps/cli/environment.wit +++ /dev/null @@ -1,18 +0,0 @@ -interface environment { - /// 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. - get-environment: func() -> list>; - - /// Get the POSIX-style arguments to the program. - get-arguments: func() -> list; - - /// Return a path that programs should use as their initial current working - /// directory, interpreting `.` as shorthand for this. - initial-cwd: func() -> option; -} diff --git a/wit/deps/cli/exit.wit b/wit/deps/cli/exit.wit deleted file mode 100644 index d0c2b82..0000000 --- a/wit/deps/cli/exit.wit +++ /dev/null @@ -1,4 +0,0 @@ -interface exit { - /// Exit the current instance and any linked instances. - exit: func(status: result); -} diff --git a/wit/deps/cli/imports.wit b/wit/deps/cli/imports.wit deleted file mode 100644 index 083b84a..0000000 --- a/wit/deps/cli/imports.wit +++ /dev/null @@ -1,20 +0,0 @@ -package wasi:cli@0.2.0; - -world imports { - include wasi:clocks/imports@0.2.0; - include wasi:filesystem/imports@0.2.0; - include wasi:sockets/imports@0.2.0; - include wasi:random/imports@0.2.0; - include wasi:io/imports@0.2.0; - - import environment; - import exit; - import stdin; - import stdout; - import stderr; - import terminal-input; - import terminal-output; - import terminal-stdin; - import terminal-stdout; - import terminal-stderr; -} diff --git a/wit/deps/cli/run.wit b/wit/deps/cli/run.wit deleted file mode 100644 index a70ee8c..0000000 --- a/wit/deps/cli/run.wit +++ /dev/null @@ -1,4 +0,0 @@ -interface run { - /// Run the program. - run: func() -> result; -} diff --git a/wit/deps/cli/stdio.wit b/wit/deps/cli/stdio.wit deleted file mode 100644 index 31ef35b..0000000 --- a/wit/deps/cli/stdio.wit +++ /dev/null @@ -1,17 +0,0 @@ -interface stdin { - use wasi:io/streams@0.2.0.{input-stream}; - - get-stdin: func() -> input-stream; -} - -interface stdout { - use wasi:io/streams@0.2.0.{output-stream}; - - get-stdout: func() -> output-stream; -} - -interface stderr { - use wasi:io/streams@0.2.0.{output-stream}; - - get-stderr: func() -> output-stream; -} diff --git a/wit/deps/cli/terminal.wit b/wit/deps/cli/terminal.wit deleted file mode 100644 index 38c724e..0000000 --- a/wit/deps/cli/terminal.wit +++ /dev/null @@ -1,49 +0,0 @@ -/// 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. -interface terminal-input { - /// The input side of a terminal. - resource terminal-input; -} - -/// 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. -interface terminal-output { - /// The output side of a terminal. - resource terminal-output; -} - -/// An interface providing an optional `terminal-input` for stdin as a -/// link-time authority. -interface terminal-stdin { - use terminal-input.{terminal-input}; - - /// If stdin is connected to a terminal, return a `terminal-input` handle - /// allowing further interaction with it. - get-terminal-stdin: func() -> option; -} - -/// An interface providing an optional `terminal-output` for stdout as a -/// link-time authority. -interface terminal-stdout { - use terminal-output.{terminal-output}; - - /// If stdout is connected to a terminal, return a `terminal-output` handle - /// allowing further interaction with it. - get-terminal-stdout: func() -> option; -} - -/// An interface providing an optional `terminal-output` for stderr as a -/// link-time authority. -interface terminal-stderr { - use terminal-output.{terminal-output}; - - /// If stderr is connected to a terminal, return a `terminal-output` handle - /// allowing further interaction with it. - get-terminal-stderr: func() -> option; -} diff --git a/wit/deps/clocks/monotonic-clock.wit b/wit/deps/clocks/monotonic-clock.wit deleted file mode 100644 index 4e4dc3a..0000000 --- a/wit/deps/clocks/monotonic-clock.wit +++ /dev/null @@ -1,45 +0,0 @@ -package wasi:clocks@0.2.0; -/// 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. -/// -/// It is intended for measuring elapsed time. -interface monotonic-clock { - use wasi:io/poll@0.2.0.{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. - type instant = u64; - - /// A duration of time, in nanoseconds. - type duration = u64; - - /// Read the current value of the clock. - /// - /// The clock is monotonic, therefore calling this function repeatedly will - /// produce a sequence of non-decreasing values. - now: func() -> instant; - - /// Query the resolution of the clock. Returns the duration of time - /// corresponding to a clock tick. - resolution: func() -> duration; - - /// Create a `pollable` which will resolve once the specified instant - /// occured. - subscribe-instant: func( - when: instant, - ) -> pollable; - - /// Create a `pollable` which will resolve once the given duration has - /// elapsed, starting at the time at which this function was called. - /// occured. - subscribe-duration: func( - when: duration, - ) -> pollable; -} diff --git a/wit/deps/clocks/wall-clock.wit b/wit/deps/clocks/wall-clock.wit deleted file mode 100644 index 440ca0f..0000000 --- a/wit/deps/clocks/wall-clock.wit +++ /dev/null @@ -1,42 +0,0 @@ -package wasi:clocks@0.2.0; -/// 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. -interface wall-clock { - /// A time and date in seconds plus nanoseconds. - record datetime { - seconds: u64, - nanoseconds: u32, - } - - /// 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 - now: func() -> datetime; - - /// Query the resolution of the clock. - /// - /// The nanoseconds field of the output is always less than 1000000000. - resolution: func() -> datetime; -} diff --git a/wit/deps/clocks/world.wit b/wit/deps/clocks/world.wit deleted file mode 100644 index c022457..0000000 --- a/wit/deps/clocks/world.wit +++ /dev/null @@ -1,6 +0,0 @@ -package wasi:clocks@0.2.0; - -world imports { - import monotonic-clock; - import wall-clock; -} diff --git a/wit/deps/filesystem/preopens.wit b/wit/deps/filesystem/preopens.wit deleted file mode 100644 index da801f6..0000000 --- a/wit/deps/filesystem/preopens.wit +++ /dev/null @@ -1,8 +0,0 @@ -package wasi:filesystem@0.2.0; - -interface preopens { - use types.{descriptor}; - - /// Return the set of preopened directories, and their path. - get-directories: func() -> list>; -} diff --git a/wit/deps/filesystem/types.wit b/wit/deps/filesystem/types.wit deleted file mode 100644 index 11108fc..0000000 --- a/wit/deps/filesystem/types.wit +++ /dev/null @@ -1,634 +0,0 @@ -package wasi:filesystem@0.2.0; -/// 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 -interface types { - use wasi:io/streams@0.2.0.{input-stream, output-stream, error}; - use wasi:clocks/wall-clock@0.2.0.{datetime}; - - /// File size or length of a region within a file. - type filesize = u64; - - /// The type of a filesystem object referenced by a descriptor. - /// - /// Note: This was called `filetype` in earlier versions of WASI. - enum descriptor-type { - /// 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. - block-device, - /// The descriptor refers to a character device inode. - character-device, - /// The descriptor refers to a directory inode. - directory, - /// The descriptor refers to a named pipe. - fifo, - /// The file refers to a symbolic link inode. - symbolic-link, - /// The descriptor refers to a regular file inode. - regular-file, - /// The descriptor refers to a socket. - socket, - } - - /// Descriptor flags. - /// - /// Note: This was called `fdflags` in earlier versions of WASI. - flags descriptor-flags { - /// Read mode: Data can be read. - read, - /// Write mode: Data can be written to. - write, - /// Request that writes be performed according to synchronized I/O file - /// integrity completion. The data stored in the file and the file's - /// metadata are synchronized. This is similar to `O_SYNC` in POSIX. - /// - /// The precise semantics of this operation have not yet been defined for - /// WASI. At this time, it should be interpreted as a request, and not a - /// requirement. - file-integrity-sync, - /// Request that writes be performed according to synchronized I/O data - /// integrity completion. Only the data stored in the file is - /// synchronized. This is similar to `O_DSYNC` in POSIX. - /// - /// The precise semantics of this operation have not yet been defined for - /// WASI. At this time, it should be interpreted as a request, and not a - /// requirement. - data-integrity-sync, - /// Requests that reads be performed at the same level of integrety - /// requested for writes. This is similar to `O_RSYNC` in POSIX. - /// - /// The precise semantics of this operation have not yet been defined for - /// WASI. At this time, it should be interpreted as a request, and not a - /// requirement. - requested-write-sync, - /// Mutating directories mode: Directory contents may be mutated. - /// - /// When this flag is unset on a descriptor, operations using the - /// descriptor which would create, rename, delete, modify the data or - /// metadata of filesystem objects, or obtain another handle which - /// would permit any of those, shall fail with `error-code::read-only` if - /// they would otherwise succeed. - /// - /// This may only be set on directories. - mutate-directory, - } - - /// File attributes. - /// - /// Note: This was called `filestat` in earlier versions of WASI. - record descriptor-stat { - /// File type. - %type: descriptor-type, - /// Number of hard links to the file. - link-count: link-count, - /// For regular files, the file size in bytes. For symbolic links, the - /// length in bytes of the pathname contained in the symbolic link. - size: filesize, - /// Last data access timestamp. - /// - /// If the `option` is none, the platform doesn't maintain an access - /// timestamp for this file. - data-access-timestamp: option, - /// Last data modification timestamp. - /// - /// If the `option` is none, the platform doesn't maintain a - /// modification timestamp for this file. - data-modification-timestamp: option, - /// Last file status-change timestamp. - /// - /// If the `option` is none, the platform doesn't maintain a - /// status-change timestamp for this file. - status-change-timestamp: option, - } - - /// Flags determining the method of how paths are resolved. - flags path-flags { - /// As long as the resolved path corresponds to a symbolic link, it is - /// expanded. - symlink-follow, - } - - /// Open flags used by `open-at`. - flags open-flags { - /// Create file if it does not exist, similar to `O_CREAT` in POSIX. - create, - /// Fail if not a directory, similar to `O_DIRECTORY` in POSIX. - directory, - /// Fail if file already exists, similar to `O_EXCL` in POSIX. - exclusive, - /// Truncate file to size 0, similar to `O_TRUNC` in POSIX. - truncate, - } - - /// Number of hard links to an inode. - type link-count = u64; - - /// When setting a timestamp, this gives the value to set it to. - variant new-timestamp { - /// Leave the timestamp set to its previous value. - no-change, - /// 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), - } - - /// A directory entry. - record directory-entry { - /// The type of the file referred to by this directory entry. - %type: descriptor-type, - - /// The name of the object. - name: string, - } - - /// 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. - enum error-code { - /// Permission denied, similar to `EACCES` in POSIX. - access, - /// Resource unavailable, or operation would block, similar to `EAGAIN` and `EWOULDBLOCK` in POSIX. - would-block, - /// Connection already in progress, similar to `EALREADY` in POSIX. - already, - /// Bad descriptor, similar to `EBADF` in POSIX. - bad-descriptor, - /// 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. - file-too-large, - /// Illegal byte sequence, similar to `EILSEQ` in POSIX. - illegal-byte-sequence, - /// Operation in progress, similar to `EINPROGRESS` in POSIX. - in-progress, - /// 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. - is-directory, - /// Too many levels of symbolic links, similar to `ELOOP` in POSIX. - loop, - /// Too many links, similar to `EMLINK` in POSIX. - too-many-links, - /// Message too large, similar to `EMSGSIZE` in POSIX. - message-size, - /// Filename too long, similar to `ENAMETOOLONG` in POSIX. - name-too-long, - /// No such device, similar to `ENODEV` in POSIX. - no-device, - /// No such file or directory, similar to `ENOENT` in POSIX. - no-entry, - /// No locks available, similar to `ENOLCK` in POSIX. - no-lock, - /// Not enough space, similar to `ENOMEM` in POSIX. - insufficient-memory, - /// No space left on device, similar to `ENOSPC` in POSIX. - insufficient-space, - /// Not a directory or a symbolic link to a directory, similar to `ENOTDIR` in POSIX. - not-directory, - /// Directory not empty, similar to `ENOTEMPTY` in POSIX. - not-empty, - /// State not recoverable, similar to `ENOTRECOVERABLE` in POSIX. - not-recoverable, - /// Not supported, similar to `ENOTSUP` and `ENOSYS` in POSIX. - unsupported, - /// Inappropriate I/O control operation, similar to `ENOTTY` in POSIX. - no-tty, - /// No such device or address, similar to `ENXIO` in POSIX. - no-such-device, - /// Value too large to be stored in data type, similar to `EOVERFLOW` in POSIX. - overflow, - /// Operation not permitted, similar to `EPERM` in POSIX. - not-permitted, - /// Broken pipe, similar to `EPIPE` in POSIX. - pipe, - /// Read-only file system, similar to `EROFS` in POSIX. - read-only, - /// Invalid seek, similar to `ESPIPE` in POSIX. - invalid-seek, - /// Text file busy, similar to `ETXTBSY` in POSIX. - text-file-busy, - /// Cross-device link, similar to `EXDEV` in POSIX. - cross-device, - } - - /// File or memory access pattern advisory information. - 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. - will-need, - /// The application expects that it will not access the specified data - /// in the near future. - dont-need, - /// The application expects to access the specified data once and then - /// not reuse it thereafter. - no-reuse, - } - - /// A 128-bit hash value, split into parts because wasm doesn't have a - /// 128-bit integer type. - record metadata-hash-value { - /// 64 bits of a 128-bit hash value. - lower: u64, - /// Another 64 bits of a 128-bit hash value. - upper: u64, - } - - /// 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. - resource descriptor { - /// 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. - read-via-stream: func( - /// The offset within the file at which to start reading. - offset: filesize, - ) -> result; - - /// 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. - write-via-stream: func( - /// The offset within the file at which to start writing. - offset: filesize, - ) -> result; - - /// 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 in POSIX. - append-via-stream: func() -> result; - - /// Provide file advisory information on a descriptor. - /// - /// This is similar to `posix_fadvise` in POSIX. - advise: func( - /// The offset within the file to which the advisory applies. - offset: filesize, - /// The length of the region to which the advisory applies. - length: filesize, - /// The advice. - advice: advice - ) -> result<_, error-code>; - - /// 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. - sync-data: func() -> result<_, error-code>; - - /// 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. - get-flags: func() -> result; - - /// 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. - get-type: func() -> result; - - /// 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. - set-size: func(size: filesize) -> result<_, error-code>; - - /// 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. - set-times: func( - /// The desired values of the data access timestamp. - data-access-timestamp: new-timestamp, - /// The desired values of the data modification timestamp. - data-modification-timestamp: new-timestamp, - ) -> result<_, error-code>; - - /// 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`. - /// - /// Note: This is similar to `pread` in POSIX. - read: func( - /// The maximum number of bytes to read. - length: filesize, - /// The offset within the file at which to read. - offset: filesize, - ) -> result, bool>, error-code>; - - /// 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`. - /// - /// Note: This is similar to `pwrite` in POSIX. - write: func( - /// Data to write - buffer: list, - /// The offset within the file at which to write. - offset: filesize, - ) -> result; - - /// 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. - read-directory: func() -> result; - - /// 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. - sync: func() -> result<_, error-code>; - - /// Create a directory. - /// - /// Note: This is similar to `mkdirat` in POSIX. - create-directory-at: func( - /// The relative path at which to create the directory. - path: string, - ) -> result<_, error-code>; - - /// 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. - stat: func() -> result; - - /// 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. - stat-at: func( - /// Flags determining the method of how the path is resolved. - path-flags: path-flags, - /// The relative path of the file or directory to inspect. - path: string, - ) -> result; - - /// 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. - set-times-at: func( - /// Flags determining the method of how the path is resolved. - path-flags: path-flags, - /// The relative path of the file or directory to operate on. - path: string, - /// The desired values of the data access timestamp. - data-access-timestamp: new-timestamp, - /// The desired values of the data modification timestamp. - data-modification-timestamp: new-timestamp, - ) -> result<_, error-code>; - - /// Create a hard link. - /// - /// Note: This is similar to `linkat` in POSIX. - link-at: func( - /// Flags determining the method of how the path is resolved. - old-path-flags: path-flags, - /// The relative source path from which to link. - old-path: string, - /// The base directory for `new-path`. - new-descriptor: borrow, - /// The relative destination path at which to create the hard link. - new-path: string, - ) -> result<_, error-code>; - - /// Open a file or directory. - /// - /// The returned descriptor is not guaranteed to be the lowest-numbered - /// descriptor not currently open/ it is randomized to prevent applications - /// from depending on making assumptions about indexes, since this is - /// error-prone in multi-threaded contexts. The returned descriptor is - /// guaranteed to be less than 2**31. - /// - /// 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. - open-at: func( - /// Flags determining the method of how the path is resolved. - path-flags: path-flags, - /// The relative path of the object to open. - path: string, - /// The method by which to open the file. - open-flags: open-flags, - /// Flags to use for the resulting descriptor. - %flags: descriptor-flags, - ) -> result; - - /// 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. - readlink-at: func( - /// The relative path of the symbolic link from which to read. - path: string, - ) -> result; - - /// 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. - remove-directory-at: func( - /// The relative path to a directory to remove. - path: string, - ) -> result<_, error-code>; - - /// Rename a filesystem object. - /// - /// Note: This is similar to `renameat` in POSIX. - rename-at: func( - /// The relative source path of the file or directory to rename. - old-path: string, - /// The base directory for `new-path`. - new-descriptor: borrow, - /// The relative destination path to which to rename the file or directory. - new-path: string, - ) -> result<_, error-code>; - - /// 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. - symlink-at: func( - /// The contents of the symbolic link. - old-path: string, - /// The relative destination path at which to create the symbolic link. - new-path: string, - ) -> result<_, error-code>; - - /// 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. - unlink-file-at: func( - /// The relative path to a file to unlink. - path: string, - ) -> result<_, error-code>; - - /// 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. - is-same-object: func(other: borrow) -> bool; - - /// 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 encourated 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. - metadata-hash: func() -> result; - - /// 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`. - metadata-hash-at: func( - /// Flags determining the method of how the path is resolved. - path-flags: path-flags, - /// The relative path of the file or directory to inspect. - path: string, - ) -> result; - } - - /// A stream of directory entries. - resource directory-entry-stream { - /// Read a single directory entry from a `directory-entry-stream`. - read-directory-entry: func() -> result, error-code>; - } - - /// 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. - filesystem-error-code: func(err: borrow) -> option; -} diff --git a/wit/deps/filesystem/world.wit b/wit/deps/filesystem/world.wit deleted file mode 100644 index 663f579..0000000 --- a/wit/deps/filesystem/world.wit +++ /dev/null @@ -1,6 +0,0 @@ -package wasi:filesystem@0.2.0; - -world imports { - import types; - import preopens; -} diff --git a/wit/deps/http/handler.wit b/wit/deps/http/handler.wit deleted file mode 100644 index a34a064..0000000 --- a/wit/deps/http/handler.wit +++ /dev/null @@ -1,43 +0,0 @@ -/// This interface defines a handler of incoming HTTP Requests. It should -/// be exported by components which can respond to HTTP Requests. -interface incoming-handler { - use types.{incoming-request, response-outparam}; - - /// This function is invoked with an incoming HTTP Request, and a resource - /// `response-outparam` which provides the capability to reply with an HTTP - /// Response. The response is sent by calling the `response-outparam.set` - /// method, which allows execution to continue after the response has been - /// sent. This enables both streaming to the response body, and performing other - /// work. - /// - /// The implementor of this function must write a response to the - /// `response-outparam` before returning, or else the caller will respond - /// with an error on its behalf. - handle: func( - request: incoming-request, - response-out: response-outparam - ); -} - -/// This interface defines a handler of outgoing HTTP Requests. It should be -/// imported by components which wish to make HTTP Requests. -interface outgoing-handler { - use types.{ - outgoing-request, request-options, future-incoming-response, error-code - }; - - /// This function is invoked with an outgoing HTTP Request, and it returns - /// a resource `future-incoming-response` which represents an HTTP Response - /// which may arrive in the future. - /// - /// The `options` argument accepts optional parameters for the HTTP - /// protocol's transport layer. - /// - /// This function may return an error if the `outgoing-request` is invalid - /// or not allowed to be made. Otherwise, protocol errors are reported - /// through the `future-incoming-response`. - handle: func( - request: outgoing-request, - options: option - ) -> result; -} diff --git a/wit/deps/http/proxy.wit b/wit/deps/http/proxy.wit deleted file mode 100644 index 26a975e..0000000 --- a/wit/deps/http/proxy.wit +++ /dev/null @@ -1,38 +0,0 @@ -package wasi:http@0.2.0; - -/// The `wasi:http/imports` world imports all the APIs for HTTP proxies. -/// It is intended to be `include`d in other worlds. -world imports { - /// HTTP proxies have access to time and randomness. - include wasi:clocks/imports@0.2.0; - import wasi:random/random@0.2.0; - - /// Proxies have standard output and error streams which are expected to - /// terminate in a developer-facing console provided by the host. - import wasi:cli/stdout@0.2.0; - import wasi:cli/stderr@0.2.0; - - /// TODO: this is a temporary workaround until component tooling is able to - /// gracefully handle the absence of stdin. Hosts must return an eof stream - /// for this import, which is what wasi-libc + tooling will do automatically - /// when this import is properly removed. - import wasi:cli/stdin@0.2.0; - - /// This is the default handler to use when user code simply wants to make an - /// HTTP request (e.g., via `fetch()`). - import outgoing-handler; -} - -/// The `wasi:http/proxy` world captures a widely-implementable intersection of -/// hosts that includes HTTP forward and reverse proxies. Components targeting -/// this world may concurrently stream in and out any number of incoming and -/// outgoing HTTP requests. -world proxy { - include imports; - - /// The host delivers incoming HTTP requests to a component by calling the - /// `handle` function of this exported interface. A host may arbitrarily reuse - /// or not reuse component instance when delivering incoming HTTP requests and - /// thus a component must be able to handle 0..N calls to `handle`. - export incoming-handler; -} diff --git a/wit/deps/http/types.wit b/wit/deps/http/types.wit deleted file mode 100644 index 70cce55..0000000 --- a/wit/deps/http/types.wit +++ /dev/null @@ -1,577 +0,0 @@ -/// This interface defines all of the types and methods for implementing -/// HTTP Requests and Responses, both incoming and outgoing, as well as -/// their headers, trailers, and bodies. -interface types { - use wasi:clocks/monotonic-clock@0.2.0.{duration}; - use wasi:io/streams@0.2.0.{input-stream, output-stream}; - use wasi:io/error@0.2.0.{error as io-error}; - use wasi:io/poll@0.2.0.{pollable}; - - /// This type corresponds to HTTP standard Methods. - variant method { - get, - head, - post, - put, - delete, - connect, - options, - trace, - patch, - other(string) - } - - /// This type corresponds to HTTP standard Related Schemes. - variant scheme { - HTTP, - HTTPS, - other(string) - } - - /// These cases are inspired by the IANA HTTP Proxy Error Types: - /// https://www.iana.org/assignments/http-proxy-status/http-proxy-status.xhtml#table-http-proxy-error-types - variant error-code { - DNS-timeout, - DNS-error(DNS-error-payload), - destination-not-found, - destination-unavailable, - destination-IP-prohibited, - destination-IP-unroutable, - connection-refused, - connection-terminated, - connection-timeout, - connection-read-timeout, - connection-write-timeout, - connection-limit-reached, - TLS-protocol-error, - TLS-certificate-error, - TLS-alert-received(TLS-alert-received-payload), - HTTP-request-denied, - HTTP-request-length-required, - HTTP-request-body-size(option), - HTTP-request-method-invalid, - HTTP-request-URI-invalid, - HTTP-request-URI-too-long, - HTTP-request-header-section-size(option), - HTTP-request-header-size(option), - HTTP-request-trailer-section-size(option), - HTTP-request-trailer-size(field-size-payload), - HTTP-response-incomplete, - HTTP-response-header-section-size(option), - HTTP-response-header-size(field-size-payload), - HTTP-response-body-size(option), - HTTP-response-trailer-section-size(option), - HTTP-response-trailer-size(field-size-payload), - HTTP-response-transfer-coding(option), - HTTP-response-content-coding(option), - HTTP-response-timeout, - HTTP-upgrade-failed, - HTTP-protocol-error, - loop-detected, - configuration-error, - /// This is a catch-all error for anything that doesn't fit cleanly into a - /// more specific case. It also includes an optional string for an - /// unstructured description of the error. Users should not depend on the - /// string for diagnosing errors, as it's not required to be consistent - /// between implementations. - internal-error(option) - } - - /// Defines the case payload type for `DNS-error` above: - record DNS-error-payload { - rcode: option, - info-code: option - } - - /// Defines the case payload type for `TLS-alert-received` above: - record TLS-alert-received-payload { - alert-id: option, - alert-message: option - } - - /// Defines the case payload type for `HTTP-response-{header,trailer}-size` above: - record field-size-payload { - field-name: option, - field-size: option - } - - /// Attempts to extract a http-related `error` from the wasi:io `error` - /// provided. - /// - /// Stream operations which return - /// `wasi:io/stream/stream-error::last-operation-failed` have a payload of - /// type `wasi:io/error/error` with more information about the operation - /// that failed. This payload can be passed through to this function to see - /// if there's http-related information about the error to return. - /// - /// Note that this function is fallible because not all io-errors are - /// http-related errors. - http-error-code: func(err: borrow) -> option; - - /// This type enumerates the different kinds of errors that may occur when - /// setting or appending to a `fields` resource. - variant header-error { - /// This error indicates that a `field-key` or `field-value` was - /// syntactically invalid when used with an operation that sets headers in a - /// `fields`. - invalid-syntax, - - /// This error indicates that a forbidden `field-key` was used when trying - /// to set a header in a `fields`. - forbidden, - - /// This error indicates that the operation on the `fields` was not - /// permitted because the fields are immutable. - immutable, - } - - /// Field keys are always strings. - type field-key = string; - - /// Field values should always be ASCII strings. However, in - /// reality, HTTP implementations often have to interpret malformed values, - /// so they are provided as a list of bytes. - type field-value = list; - - /// This following block defines the `fields` resource which corresponds to - /// HTTP standard Fields. Fields are a common representation used for both - /// Headers and Trailers. - /// - /// A `fields` may be mutable or immutable. A `fields` created using the - /// constructor, `from-list`, or `clone` will be mutable, but a `fields` - /// resource given by other means (including, but not limited to, - /// `incoming-request.headers`, `outgoing-request.headers`) might be be - /// immutable. In an immutable fields, the `set`, `append`, and `delete` - /// operations will fail with `header-error.immutable`. - resource fields { - - /// Construct an empty HTTP Fields. - /// - /// The resulting `fields` is mutable. - constructor(); - - /// Construct an HTTP Fields. - /// - /// The resulting `fields` is mutable. - /// - /// The list represents each key-value pair in the Fields. Keys - /// which have multiple values are represented by multiple entries in this - /// list with the same key. - /// - /// The tuple is a pair of the field key, represented as a string, and - /// Value, represented as a list of bytes. - /// - /// An error result will be returned if any `field-key` or `field-value` is - /// syntactically invalid, or if a field is forbidden. - from-list: static func( - entries: list> - ) -> result; - - /// Get all of the values corresponding to a key. If the key is not present - /// in this `fields` or is syntactically invalid, an empty list is returned. - /// However, if the key is present but empty, this is represented by a list - /// with one or more empty field-values present. - get: func(name: field-key) -> list; - - /// Returns `true` when the key is present in this `fields`. If the key is - /// syntactically invalid, `false` is returned. - has: func(name: field-key) -> bool; - - /// Set all of the values for a key. Clears any existing values for that - /// key, if they have been set. - /// - /// Fails with `header-error.immutable` if the `fields` are immutable. - /// - /// Fails with `header-error.invalid-syntax` if the `field-key` or any of - /// the `field-value`s are syntactically invalid. - set: func(name: field-key, value: list) -> result<_, header-error>; - - /// Delete all values for a key. Does nothing if no values for the key - /// exist. - /// - /// Fails with `header-error.immutable` if the `fields` are immutable. - /// - /// Fails with `header-error.invalid-syntax` if the `field-key` is - /// syntactically invalid. - delete: func(name: field-key) -> result<_, header-error>; - - /// Append a value for a key. Does not change or delete any existing - /// values for that key. - /// - /// Fails with `header-error.immutable` if the `fields` are immutable. - /// - /// Fails with `header-error.invalid-syntax` if the `field-key` or - /// `field-value` are syntactically invalid. - append: func(name: field-key, value: field-value) -> result<_, header-error>; - - /// Retrieve the full set of keys and values in the Fields. Like the - /// constructor, the list represents each key-value pair. - /// - /// The outer list represents each key-value pair in the Fields. Keys - /// which have multiple values are represented by multiple entries in this - /// list with the same key. - entries: func() -> list>; - - /// Make a deep copy of the Fields. Equivelant in behavior to calling the - /// `fields` constructor on the return value of `entries`. The resulting - /// `fields` is mutable. - clone: func() -> fields; - } - - /// Headers is an alias for Fields. - type headers = fields; - - /// Trailers is an alias for Fields. - type trailers = fields; - - /// Represents an incoming HTTP Request. - resource incoming-request { - - /// Returns the method of the incoming request. - method: func() -> method; - - /// Returns the path with query parameters from the request, as a string. - path-with-query: func() -> option; - - /// Returns the protocol scheme from the request. - scheme: func() -> option; - - /// Returns the authority from the request, if it was present. - authority: func() -> option; - - /// Get the `headers` associated with the request. - /// - /// The returned `headers` resource is immutable: `set`, `append`, and - /// `delete` operations will fail with `header-error.immutable`. - /// - /// The `headers` returned are a child resource: it must be dropped before - /// the parent `incoming-request` is dropped. Dropping this - /// `incoming-request` before all children are dropped will trap. - headers: func() -> headers; - - /// Gives the `incoming-body` associated with this request. Will only - /// return success at most once, and subsequent calls will return error. - consume: func() -> result; - } - - /// Represents an outgoing HTTP Request. - resource outgoing-request { - - /// Construct a new `outgoing-request` with a default `method` of `GET`, and - /// `none` values for `path-with-query`, `scheme`, and `authority`. - /// - /// * `headers` is the HTTP Headers for the Request. - /// - /// It is possible to construct, or manipulate with the accessor functions - /// below, an `outgoing-request` with an invalid combination of `scheme` - /// and `authority`, or `headers` which are not permitted to be sent. - /// It is the obligation of the `outgoing-handler.handle` implementation - /// to reject invalid constructions of `outgoing-request`. - constructor( - headers: headers - ); - - /// Returns the resource corresponding to the outgoing Body for this - /// Request. - /// - /// Returns success on the first call: the `outgoing-body` resource for - /// this `outgoing-request` can be retrieved at most once. Subsequent - /// calls will return error. - body: func() -> result; - - /// Get the Method for the Request. - method: func() -> method; - /// Set the Method for the Request. Fails if the string present in a - /// `method.other` argument is not a syntactically valid method. - set-method: func(method: method) -> result; - - /// Get the combination of the HTTP Path and Query for the Request. - /// When `none`, this represents an empty Path and empty Query. - path-with-query: func() -> option; - /// Set the combination of the HTTP Path and Query for the Request. - /// When `none`, this represents an empty Path and empty Query. Fails is the - /// string given is not a syntactically valid path and query uri component. - set-path-with-query: func(path-with-query: option) -> result; - - /// Get the HTTP Related Scheme for the Request. When `none`, the - /// implementation may choose an appropriate default scheme. - scheme: func() -> option; - /// Set the HTTP Related Scheme for the Request. When `none`, the - /// implementation may choose an appropriate default scheme. Fails if the - /// string given is not a syntactically valid uri scheme. - set-scheme: func(scheme: option) -> result; - - /// Get the HTTP Authority for the Request. A value of `none` may be used - /// with Related Schemes which do not require an Authority. The HTTP and - /// HTTPS schemes always require an authority. - authority: func() -> option; - /// Set the HTTP Authority for the Request. A value of `none` may be used - /// with Related Schemes which do not require an Authority. The HTTP and - /// HTTPS schemes always require an authority. Fails if the string given is - /// not a syntactically valid uri authority. - set-authority: func(authority: option) -> result; - - /// Get the headers associated with the Request. - /// - /// The returned `headers` resource is immutable: `set`, `append`, and - /// `delete` operations will fail with `header-error.immutable`. - /// - /// This headers resource is a child: it must be dropped before the parent - /// `outgoing-request` is dropped, or its ownership is transfered to - /// another component by e.g. `outgoing-handler.handle`. - headers: func() -> headers; - } - - /// Parameters for making an HTTP Request. Each of these parameters is - /// currently an optional timeout applicable to the transport layer of the - /// HTTP protocol. - /// - /// These timeouts are separate from any the user may use to bound a - /// blocking call to `wasi:io/poll.poll`. - resource request-options { - /// Construct a default `request-options` value. - constructor(); - - /// The timeout for the initial connect to the HTTP Server. - connect-timeout: func() -> option; - - /// Set the timeout for the initial connect to the HTTP Server. An error - /// return value indicates that this timeout is not supported. - set-connect-timeout: func(duration: option) -> result; - - /// The timeout for receiving the first byte of the Response body. - first-byte-timeout: func() -> option; - - /// Set the timeout for receiving the first byte of the Response body. An - /// error return value indicates that this timeout is not supported. - set-first-byte-timeout: func(duration: option) -> result; - - /// The timeout for receiving subsequent chunks of bytes in the Response - /// body stream. - between-bytes-timeout: func() -> option; - - /// Set the timeout for receiving subsequent chunks of bytes in the Response - /// body stream. An error return value indicates that this timeout is not - /// supported. - set-between-bytes-timeout: func(duration: option) -> result; - } - - /// Represents the ability to send an HTTP Response. - /// - /// This resource is used by the `wasi:http/incoming-handler` interface to - /// allow a Response to be sent corresponding to the Request provided as the - /// other argument to `incoming-handler.handle`. - resource response-outparam { - - /// Set the value of the `response-outparam` to either send a response, - /// or indicate an error. - /// - /// This method consumes the `response-outparam` to ensure that it is - /// called at most once. If it is never called, the implementation - /// will respond with an error. - /// - /// The user may provide an `error` to `response` to allow the - /// implementation determine how to respond with an HTTP error response. - set: static func( - param: response-outparam, - response: result, - ); - } - - /// This type corresponds to the HTTP standard Status Code. - type status-code = u16; - - /// Represents an incoming HTTP Response. - resource incoming-response { - - /// Returns the status code from the incoming response. - status: func() -> status-code; - - /// Returns the headers from the incoming response. - /// - /// The returned `headers` resource is immutable: `set`, `append`, and - /// `delete` operations will fail with `header-error.immutable`. - /// - /// This headers resource is a child: it must be dropped before the parent - /// `incoming-response` is dropped. - headers: func() -> headers; - - /// Returns the incoming body. May be called at most once. Returns error - /// if called additional times. - consume: func() -> result; - } - - /// Represents an incoming HTTP Request or Response's Body. - /// - /// A body has both its contents - a stream of bytes - and a (possibly - /// empty) set of trailers, indicating that the full contents of the - /// body have been received. This resource represents the contents as - /// an `input-stream` and the delivery of trailers as a `future-trailers`, - /// and ensures that the user of this interface may only be consuming either - /// the body contents or waiting on trailers at any given time. - resource incoming-body { - - /// Returns the contents of the body, as a stream of bytes. - /// - /// Returns success on first call: the stream representing the contents - /// can be retrieved at most once. Subsequent calls will return error. - /// - /// The returned `input-stream` resource is a child: it must be dropped - /// before the parent `incoming-body` is dropped, or consumed by - /// `incoming-body.finish`. - /// - /// This invariant ensures that the implementation can determine whether - /// the user is consuming the contents of the body, waiting on the - /// `future-trailers` to be ready, or neither. This allows for network - /// backpressure is to be applied when the user is consuming the body, - /// and for that backpressure to not inhibit delivery of the trailers if - /// the user does not read the entire body. - %stream: func() -> result; - - /// Takes ownership of `incoming-body`, and returns a `future-trailers`. - /// This function will trap if the `input-stream` child is still alive. - finish: static func(this: incoming-body) -> future-trailers; - } - - /// Represents a future which may eventaully return trailers, or an error. - /// - /// In the case that the incoming HTTP Request or Response did not have any - /// trailers, this future will resolve to the empty set of trailers once the - /// complete Request or Response body has been received. - resource future-trailers { - - /// Returns a pollable which becomes ready when either the trailers have - /// been received, or an error has occured. When this pollable is ready, - /// the `get` method will return `some`. - subscribe: func() -> pollable; - - /// Returns the contents of the trailers, or an error which occured, - /// once the future is ready. - /// - /// The outer `option` represents future readiness. Users can wait on this - /// `option` to become `some` using the `subscribe` method. - /// - /// The outer `result` is used to retrieve the trailers or error at most - /// once. It will be success on the first call in which the outer option - /// is `some`, and error on subsequent calls. - /// - /// The inner `result` represents that either the HTTP Request or Response - /// body, as well as any trailers, were received successfully, or that an - /// error occured receiving them. The optional `trailers` indicates whether - /// or not trailers were present in the body. - /// - /// When some `trailers` are returned by this method, the `trailers` - /// resource is immutable, and a child. Use of the `set`, `append`, or - /// `delete` methods will return an error, and the resource must be - /// dropped before the parent `future-trailers` is dropped. - get: func() -> option, error-code>>>; - } - - /// Represents an outgoing HTTP Response. - resource outgoing-response { - - /// Construct an `outgoing-response`, with a default `status-code` of `200`. - /// If a different `status-code` is needed, it must be set via the - /// `set-status-code` method. - /// - /// * `headers` is the HTTP Headers for the Response. - constructor(headers: headers); - - /// Get the HTTP Status Code for the Response. - status-code: func() -> status-code; - - /// Set the HTTP Status Code for the Response. Fails if the status-code - /// given is not a valid http status code. - set-status-code: func(status-code: status-code) -> result; - - /// Get the headers associated with the Request. - /// - /// The returned `headers` resource is immutable: `set`, `append`, and - /// `delete` operations will fail with `header-error.immutable`. - /// - /// This headers resource is a child: it must be dropped before the parent - /// `outgoing-request` is dropped, or its ownership is transfered to - /// another component by e.g. `outgoing-handler.handle`. - headers: func() -> headers; - - /// Returns the resource corresponding to the outgoing Body for this Response. - /// - /// Returns success on the first call: the `outgoing-body` resource for - /// this `outgoing-response` can be retrieved at most once. Subsequent - /// calls will return error. - body: func() -> result; - } - - /// Represents an outgoing HTTP Request or Response's Body. - /// - /// A body has both its contents - a stream of bytes - and a (possibly - /// empty) set of trailers, inducating the full contents of the body - /// have been sent. This resource represents the contents as an - /// `output-stream` child resource, and the completion of the body (with - /// optional trailers) with a static function that consumes the - /// `outgoing-body` resource, and ensures that the user of this interface - /// may not write to the body contents after the body has been finished. - /// - /// If the user code drops this resource, as opposed to calling the static - /// method `finish`, the implementation should treat the body as incomplete, - /// and that an error has occured. The implementation should propogate this - /// error to the HTTP protocol by whatever means it has available, - /// including: corrupting the body on the wire, aborting the associated - /// Request, or sending a late status code for the Response. - resource outgoing-body { - - /// Returns a stream for writing the body contents. - /// - /// The returned `output-stream` is a child resource: it must be dropped - /// before the parent `outgoing-body` resource is dropped (or finished), - /// otherwise the `outgoing-body` drop or `finish` will trap. - /// - /// Returns success on the first call: the `output-stream` resource for - /// this `outgoing-body` may be retrieved at most once. Subsequent calls - /// will return error. - write: func() -> result; - - /// Finalize an outgoing body, optionally providing trailers. This must be - /// called to signal that the response is complete. If the `outgoing-body` - /// is dropped without calling `outgoing-body.finalize`, the implementation - /// should treat the body as corrupted. - /// - /// Fails if the body's `outgoing-request` or `outgoing-response` was - /// constructed with a Content-Length header, and the contents written - /// to the body (via `write`) does not match the value given in the - /// Content-Length. - finish: static func( - this: outgoing-body, - trailers: option - ) -> result<_, error-code>; - } - - /// Represents a future which may eventaully return an incoming HTTP - /// Response, or an error. - /// - /// This resource is returned by the `wasi:http/outgoing-handler` interface to - /// provide the HTTP Response corresponding to the sent Request. - resource future-incoming-response { - /// Returns a pollable which becomes ready when either the Response has - /// been received, or an error has occured. When this pollable is ready, - /// the `get` method will return `some`. - subscribe: func() -> pollable; - - /// Returns the incoming HTTP Response, or an error, once one is ready. - /// - /// The outer `option` represents future readiness. Users can wait on this - /// `option` to become `some` using the `subscribe` method. - /// - /// The outer `result` is used to retrieve the response or error at most - /// once. It will be success on the first call in which the outer option - /// is `some`, and error on subsequent calls. - /// - /// The inner `result` represents that either the incoming HTTP Response - /// status and headers have recieved successfully, or that an error - /// occured. Errors may also occur while consuming the response body, - /// but those will be reported by the `incoming-body` and its - /// `output-stream` child. - get: func() -> option>>; - - } -} diff --git a/wit/deps/io/error.wit b/wit/deps/io/error.wit deleted file mode 100644 index 22e5b64..0000000 --- a/wit/deps/io/error.wit +++ /dev/null @@ -1,34 +0,0 @@ -package wasi:io@0.2.0; - - -interface error { - /// 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 - /// provide functions to further "downcast" this error into more specific - /// error information. For example, `error`s returned in streams derived - /// from filesystem types to be described using the filesystem's own - /// error-code type, using the function - /// `wasi:filesystem/types/filesystem-error-code`, which takes a parameter - /// `borrow` and returns - /// `option`. - /// - /// The set of functions which can "downcast" an `error` into a more - /// concrete type is open. - resource error { - /// 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. - to-debug-string: func() -> string; - } -} diff --git a/wit/deps/io/poll.wit b/wit/deps/io/poll.wit deleted file mode 100644 index c982f1a..0000000 --- a/wit/deps/io/poll.wit +++ /dev/null @@ -1,41 +0,0 @@ -package wasi:io@0.2.0; - -/// A poll API intended to let users wait for I/O events on multiple handles -/// at once. -interface poll { - /// `pollable` epresents a single I/O event which may be ready, or not. - resource pollable { - - /// Return the readiness of a pollable. This function never blocks. - /// - /// Returns `true` when the pollable is ready, and `false` otherwise. - ready: func() -> bool; - - /// `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. - block: func(); - } - - /// 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` contains one or more indices of handles in the - /// argument list that is ready for I/O. - /// - /// If the list contains more elements than can be indexed with a `u32` - /// value, this function traps. - /// - /// 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 reaedy for I/O. - poll: func(in: list>) -> list; -} diff --git a/wit/deps/io/streams.wit b/wit/deps/io/streams.wit deleted file mode 100644 index c797e37..0000000 --- a/wit/deps/io/streams.wit +++ /dev/null @@ -1,251 +0,0 @@ -package wasi:io@0.2.0; - -/// 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. -interface streams { - use error.{error}; - use poll.{pollable}; - - /// An error for input-stream and output-stream operations. - variant stream-error { - /// The last operation (a write or flush) failed before completion. - /// - /// More information is available in the `error` payload. - last-operation-failed(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 - } - - /// 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`. - resource input-stream { - /// Perform a non-blocking read from the stream. - /// - /// 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. - read: func( - /// The maximum number of bytes to read - len: u64 - ) -> result, stream-error>; - - /// Read bytes from a stream, after blocking until at least one byte can - /// be read. Except for blocking, behavior is identical to `read`. - blocking-read: func( - /// The maximum number of bytes to read - len: u64 - ) -> result, stream-error>; - - /// 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. - skip: func( - /// The maximum number of bytes to skip. - len: u64, - ) -> result; - - /// Skip bytes from a stream, after blocking until at least one byte - /// can be skipped. Except for blocking behavior, identical to `skip`. - blocking-skip: func( - /// The maximum number of bytes to skip. - len: u64, - ) -> result; - - /// 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. - subscribe: func() -> pollable; - } - - - /// 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`. - resource output-stream { - /// 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. - check-write: func() -> result; - - /// Perform a write. This function never blocks. - /// - /// 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. - write: func( - contents: list - ) -> result<_, stream-error>; - - /// 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 - /// poll-one(pollable); - /// 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` - /// poll-one(pollable); - /// // Check for any errors that arose during `flush` - /// let _ = this.check-write(); // eliding error handling - /// ``` - blocking-write-and-flush: func( - contents: list - ) -> result<_, stream-error>; - - /// 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. - flush: func() -> result<_, stream-error>; - - /// Request to flush buffered output, and block until flush completes - /// and stream is ready for writing again. - blocking-flush: func() -> result<_, stream-error>; - - /// Create a `pollable` which will resolve once the output-stream - /// is ready for more writing, or an error has occured. 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. - subscribe: func() -> pollable; - - /// 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. - write-zeroes: func( - /// The number of zero-bytes to write - len: u64 - ) -> result<_, stream-error>; - - /// 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 - /// poll-one(pollable); - /// 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` - /// poll-one(pollable); - /// // Check for any errors that arose during `flush` - /// let _ = this.check-write(); // eliding error handling - /// ``` - blocking-write-zeroes-and-flush: func( - /// The number of zero-bytes to write - len: u64 - ) -> result<_, stream-error>; - - /// Read from one stream and write to another. - /// - /// The behavior of splice is equivelant 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`. - splice: func( - /// The stream to read from - src: borrow, - /// The number of bytes to splice - len: u64, - ) -> result; - - /// 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`. - blocking-splice: func( - /// The stream to read from - src: borrow, - /// The number of bytes to splice - len: u64, - ) -> result; - } -} diff --git a/wit/deps/io/world.wit b/wit/deps/io/world.wit deleted file mode 100644 index 5f0b43f..0000000 --- a/wit/deps/io/world.wit +++ /dev/null @@ -1,6 +0,0 @@ -package wasi:io@0.2.0; - -world imports { - import streams; - import poll; -} diff --git a/wit/deps/random/insecure-seed.wit b/wit/deps/random/insecure-seed.wit deleted file mode 100644 index 47210ac..0000000 --- a/wit/deps/random/insecure-seed.wit +++ /dev/null @@ -1,25 +0,0 @@ -package wasi:random@0.2.0; -/// The insecure-seed interface for seeding hash-map DoS resistance. -/// -/// It is intended to be portable at least between Unix-family platforms and -/// Windows. -interface insecure-seed { - /// 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. - insecure-seed: func() -> tuple; -} diff --git a/wit/deps/random/insecure.wit b/wit/deps/random/insecure.wit deleted file mode 100644 index c58f4ee..0000000 --- a/wit/deps/random/insecure.wit +++ /dev/null @@ -1,22 +0,0 @@ -package wasi:random@0.2.0; -/// The insecure interface for insecure pseudo-random numbers. -/// -/// It is intended to be portable at least between Unix-family platforms and -/// Windows. -interface insecure { - /// 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. - get-insecure-random-bytes: func(len: u64) -> list; - - /// 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`. - get-insecure-random-u64: func() -> u64; -} diff --git a/wit/deps/random/random.wit b/wit/deps/random/random.wit deleted file mode 100644 index 0c017f0..0000000 --- a/wit/deps/random/random.wit +++ /dev/null @@ -1,26 +0,0 @@ -package wasi:random@0.2.0; -/// WASI Random is a random data API. -/// -/// It is intended to be portable at least between Unix-family platforms and -/// Windows. -interface random { - /// 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. - get-random-bytes: func(len: u64) -> list; - - /// 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`. - get-random-u64: func() -> u64; -} diff --git a/wit/deps/random/world.wit b/wit/deps/random/world.wit deleted file mode 100644 index 3da3491..0000000 --- a/wit/deps/random/world.wit +++ /dev/null @@ -1,7 +0,0 @@ -package wasi:random@0.2.0; - -world imports { - import random; - import insecure; - import insecure-seed; -} diff --git a/wit/deps/sockets/instance-network.wit b/wit/deps/sockets/instance-network.wit deleted file mode 100644 index e455d0f..0000000 --- a/wit/deps/sockets/instance-network.wit +++ /dev/null @@ -1,9 +0,0 @@ - -/// This interface provides a value-export of the default network handle.. -interface instance-network { - use network.{network}; - - /// Get a handle to the default network. - instance-network: func() -> network; - -} diff --git a/wit/deps/sockets/ip-name-lookup.wit b/wit/deps/sockets/ip-name-lookup.wit deleted file mode 100644 index 8e639ec..0000000 --- a/wit/deps/sockets/ip-name-lookup.wit +++ /dev/null @@ -1,51 +0,0 @@ - -interface ip-name-lookup { - use wasi:io/poll@0.2.0.{pollable}; - use network.{network, error-code, ip-address}; - - - /// 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: - /// - - /// - - /// - - /// - - resolve-addresses: func(network: borrow, name: string) -> result; - - resource resolve-address-stream { - /// 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) - resolve-next-address: func() -> result, error-code>; - - /// Create a `pollable` which will resolve once the stream is ready for I/O. - /// - /// Note: this function is here for WASI Preview2 only. - /// It's planned to be removed when `future` is natively supported in Preview3. - subscribe: func() -> pollable; - } -} diff --git a/wit/deps/sockets/network.wit b/wit/deps/sockets/network.wit deleted file mode 100644 index 9cadf06..0000000 --- a/wit/deps/sockets/network.wit +++ /dev/null @@ -1,145 +0,0 @@ - -interface network { - /// 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. - resource network; - - /// 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. - enum error-code { - /// Unknown error - unknown, - - /// Access denied. - /// - /// POSIX equivalent: EACCES, EPERM - access-denied, - - /// The operation is not supported. - /// - /// POSIX equivalent: EOPNOTSUPP - not-supported, - - /// One of the arguments is invalid. - /// - /// POSIX equivalent: EINVAL - invalid-argument, - - /// Not enough memory to complete the operation. - /// - /// POSIX equivalent: ENOMEM, ENOBUFS, EAI_MEMORY - out-of-memory, - - /// 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 - concurrency-conflict, - - /// 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. - not-in-progress, - - /// 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. - would-block, - - - /// The operation is not valid in the socket's current state. - invalid-state, - - /// A new socket resource could not be created because of a system limit. - new-socket-limit, - - /// A bind operation failed because the provided address is not an address that the `network` can bind to. - address-not-bindable, - - /// A bind operation failed because the provided address is already in use or because there are no ephemeral ports available. - address-in-use, - - /// The remote address is not reachable - remote-unreachable, - - - /// The TCP connection was forcefully rejected - connection-refused, - - /// The TCP connection was reset. - connection-reset, - - /// A TCP connection was aborted. - connection-aborted, - - - /// The size of a datagram sent to a UDP socket exceeded the maximum - /// supported size. - datagram-too-large, - - - /// Name does not exist or has no suitable associated IP addresses. - name-unresolvable, - - /// A temporary failure in name resolution occurred. - temporary-resolver-failure, - - /// A permanent failure in name resolution occurred. - permanent-resolver-failure, - } - - enum ip-address-family { - /// Similar to `AF_INET` in POSIX. - ipv4, - - /// Similar to `AF_INET6` in POSIX. - ipv6, - } - - type ipv4-address = tuple; - type ipv6-address = tuple; - - variant ip-address { - ipv4(ipv4-address), - ipv6(ipv6-address), - } - - record ipv4-socket-address { - /// sin_port - port: u16, - /// sin_addr - address: ipv4-address, - } - - record ipv6-socket-address { - /// sin6_port - port: u16, - /// sin6_flowinfo - flow-info: u32, - /// sin6_addr - address: ipv6-address, - /// sin6_scope_id - scope-id: u32, - } - - variant ip-socket-address { - ipv4(ipv4-socket-address), - ipv6(ipv6-socket-address), - } - -} diff --git a/wit/deps/sockets/tcp-create-socket.wit b/wit/deps/sockets/tcp-create-socket.wit deleted file mode 100644 index c7ddf1f..0000000 --- a/wit/deps/sockets/tcp-create-socket.wit +++ /dev/null @@ -1,27 +0,0 @@ - -interface tcp-create-socket { - use network.{network, error-code, ip-address-family}; - use tcp.{tcp-socket}; - - /// 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 - /// - - /// - - /// - - /// - - create-tcp-socket: func(address-family: ip-address-family) -> result; -} diff --git a/wit/deps/sockets/tcp.wit b/wit/deps/sockets/tcp.wit deleted file mode 100644 index fbe023b..0000000 --- a/wit/deps/sockets/tcp.wit +++ /dev/null @@ -1,309 +0,0 @@ - -interface tcp { - use wasi:io/streams@0.2.0.{input-stream, output-stream}; - use wasi:io/poll@0.2.0.{pollable}; - use wasi:clocks/monotonic-clock@0.2.0.{duration}; - use network.{network, error-code, ip-socket-address, ip-address-family}; - - enum shutdown-type { - /// Similar to `SHUT_RD` in POSIX. - receive, - - /// Similar to `SHUT_WR` in POSIX. - send, - - /// Similar to `SHUT_RDWR` in POSIX. - both, - } - - - /// A TCP socket handle. - resource tcp-socket { - /// 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. - /// - /// Unlike in POSIX, this function is async. This enables interactive WASI hosts to inject permission prompts. - /// - /// # Typical `start` 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) - /// - /// # Typical `finish` errors - /// - `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. - /// - /// # References - /// - - /// - - /// - - /// - - start-bind: func(network: borrow, local-address: ip-socket-address) -> result<_, error-code>; - finish-bind: func() -> result<_, error-code>; - - /// Connect to a remote endpoint. - /// - /// On success: - /// - the socket is transitioned into the Connection state - /// - a pair of streams is returned that can be used to read & write to the connection - /// - /// After a failed connection attempt, the only valid action left is to - /// `drop` the socket. A single socket can not be used to connect more than once. - /// - /// # Typical `start` 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 Connection state. (EISCONN) - /// - `invalid-state`: The socket is already in the Listener state. (EOPNOTSUPP, EINVAL on Windows) - /// - /// # Typical `finish` errors - /// - `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) - /// - /// # References - /// - - /// - - /// - - /// - - start-connect: func(network: borrow, remote-address: ip-socket-address) -> result<_, error-code>; - finish-connect: func() -> result, error-code>; - - /// Start listening for new connections. - /// - /// Transitions the socket into the Listener state. - /// - /// Unlike POSIX: - /// - this function is async. This enables interactive WASI hosts to inject permission prompts. - /// - the socket must already be explicitly bound. - /// - /// # Typical `start` errors - /// - `invalid-state`: The socket is not bound to any local address. (EDESTADDRREQ) - /// - `invalid-state`: The socket is already in the Connection state. (EISCONN, EINVAL on BSD) - /// - `invalid-state`: The socket is already in the Listener state. - /// - /// # Typical `finish` errors - /// - `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) - /// - /// # References - /// - - /// - - /// - - /// - - start-listen: func() -> result<_, error-code>; - finish-listen: func() -> result<_, error-code>; - - /// Accept a new client socket. - /// - /// The returned socket is bound and in the Connection 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 Listener 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 - /// - - /// - - /// - - /// - - accept: func() -> result, error-code>; - - /// 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 - /// - - /// - - /// - - /// - - local-address: func() -> result; - - /// Get the remote address. - /// - /// # Typical errors - /// - `invalid-state`: The socket is not connected to a remote address. (ENOTCONN) - /// - /// # References - /// - - /// - - /// - - /// - - remote-address: func() -> result; - - /// Whether the socket is listening for new connections. - /// - /// Equivalent to the SO_ACCEPTCONN socket option. - is-listening: func() -> bool; - - /// Whether this is a IPv4 or IPv6 socket. - /// - /// Equivalent to the SO_DOMAIN socket option. - address-family: func() -> ip-address-family; - - /// 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 already in the Connection state. - set-listen-backlog-size: func(value: u64) -> result<_, error-code>; - - /// 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. - keep-alive-enabled: func() -> result; - set-keep-alive-enabled: func(value: bool) -> result<_, error-code>; - - /// 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. - keep-alive-idle-time: func() -> result; - set-keep-alive-idle-time: func(value: duration) -> result<_, error-code>; - - /// 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. - keep-alive-interval: func() -> result; - set-keep-alive-interval: func(value: duration) -> result<_, error-code>; - - /// 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. - keep-alive-count: func() -> result; - set-keep-alive-count: func(value: u32) -> result<_, error-code>; - - /// 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. - /// - `invalid-state`: (set) The socket is already in the Connection state. - /// - `invalid-state`: (set) The socket is already in the Listener state. - hop-limit: func() -> result; - set-hop-limit: func(value: u8) -> result<_, error-code>; - - /// 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. - /// - `invalid-state`: (set) The socket is already in the Connection state. - /// - `invalid-state`: (set) The socket is already in the Listener state. - receive-buffer-size: func() -> result; - set-receive-buffer-size: func(value: u64) -> result<_, error-code>; - send-buffer-size: func() -> result; - set-send-buffer-size: func(value: u64) -> result<_, error-code>; - - /// Create a `pollable` which will resolve once the socket is ready for I/O. - /// - /// Note: this function is here for WASI Preview2 only. - /// It's planned to be removed when `future` is natively supported in Preview3. - subscribe: func() -> pollable; - - /// 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 a 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 Connection state. (ENOTCONN) - /// - /// # References - /// - - /// - - /// - - /// - - shutdown: func(shutdown-type: shutdown-type) -> result<_, error-code>; - } -} diff --git a/wit/deps/sockets/udp-create-socket.wit b/wit/deps/sockets/udp-create-socket.wit deleted file mode 100644 index 0482d1f..0000000 --- a/wit/deps/sockets/udp-create-socket.wit +++ /dev/null @@ -1,27 +0,0 @@ - -interface udp-create-socket { - use network.{network, error-code, ip-address-family}; - use udp.{udp-socket}; - - /// 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: - /// - - /// - - /// - - /// - - create-udp-socket: func(address-family: ip-address-family) -> result; -} diff --git a/wit/deps/sockets/udp.wit b/wit/deps/sockets/udp.wit deleted file mode 100644 index b9826a6..0000000 --- a/wit/deps/sockets/udp.wit +++ /dev/null @@ -1,264 +0,0 @@ - -interface udp { - use wasi:io/poll@0.2.0.{pollable}; - use network.{network, error-code, ip-socket-address, ip-address-family}; - - /// A received datagram. - record incoming-datagram { - /// The payload. - /// - /// Theoretical max size: ~64 KiB. In practice, typically less than 1500 bytes. - data: list, - - /// 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`. - remote-address: ip-socket-address, - } - - /// A datagram to be sent out. - record outgoing-datagram { - /// The payload. - data: list, - - /// 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`. - remote-address: option, - } - - - - /// A UDP socket handle. - resource udp-socket { - /// 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. - /// - /// Unlike in POSIX, this function is async. This enables interactive WASI hosts to inject permission prompts. - /// - /// # Typical `start` errors - /// - `invalid-argument`: The `local-address` has the wrong address family. (EAFNOSUPPORT, EFAULT on Windows) - /// - `invalid-state`: The socket is already bound. (EINVAL) - /// - /// # Typical `finish` errors - /// - `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) - /// - /// # References - /// - - /// - - /// - - /// - - start-bind: func(network: borrow, local-address: ip-socket-address) -> result<_, error-code>; - finish-bind: func() -> result<_, error-code>; - - /// 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 - /// - - /// - - /// - - /// - - %stream: func(remote-address: option) -> result, error-code>; - - /// 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 - /// - - /// - - /// - - /// - - local-address: func() -> result; - - /// 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 - /// - - /// - - /// - - /// - - remote-address: func() -> result; - - /// Whether this is a IPv4 or IPv6 socket. - /// - /// Equivalent to the SO_DOMAIN socket option. - address-family: func() -> ip-address-family; - - /// 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. - unicast-hop-limit: func() -> result; - set-unicast-hop-limit: func(value: u8) -> result<_, error-code>; - - /// 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. - receive-buffer-size: func() -> result; - set-receive-buffer-size: func(value: u64) -> result<_, error-code>; - send-buffer-size: func() -> result; - set-send-buffer-size: func(value: u64) -> result<_, error-code>; - - /// Create a `pollable` which will resolve once the socket is ready for I/O. - /// - /// Note: this function is here for WASI Preview2 only. - /// It's planned to be removed when `future` is natively supported in Preview3. - subscribe: func() -> pollable; - } - - resource incoming-datagram-stream { - /// 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 - /// - - /// - - /// - - /// - - /// - - /// - - /// - - /// - - receive: func(max-results: u64) -> result, error-code>; - - /// Create a `pollable` which will resolve once the stream is ready to receive again. - /// - /// Note: this function is here for WASI Preview2 only. - /// It's planned to be removed when `future` is natively supported in Preview3. - subscribe: func() -> pollable; - } - - resource outgoing-datagram-stream { - /// 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`. - check-send: func() -> result; - - /// 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 - /// - - /// - - /// - - /// - - /// - - /// - - /// - - /// - - send: func(datagrams: list) -> result; - - /// Create a `pollable` which will resolve once the stream is ready to send again. - /// - /// Note: this function is here for WASI Preview2 only. - /// It's planned to be removed when `future` is natively supported in Preview3. - subscribe: func() -> pollable; - } -} diff --git a/wit/deps/sockets/world.wit b/wit/deps/sockets/world.wit deleted file mode 100644 index f8bb92a..0000000 --- a/wit/deps/sockets/world.wit +++ /dev/null @@ -1,11 +0,0 @@ -package wasi:sockets@0.2.0; - -world imports { - import instance-network; - import network; - import udp; - import udp-create-socket; - import tcp; - import tcp-create-socket; - import ip-name-lookup; -} diff --git a/wit/world.wit b/wit/world.wit deleted file mode 100644 index b9ac3f0..0000000 --- a/wit/world.wit +++ /dev/null @@ -1,5 +0,0 @@ -package sunfishcode:rust-wasi-hello; - -world target-world { - include wasi:http/proxy@0.2.0; -}