| <!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `/root/.cargo/registry/src/github.com-1ecc6299db9ec823/hyper-0.14.26/src/error.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>error.rs - source</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceCodePro-Semibold.ttf.woff2"><link rel="stylesheet" href="../../normalize.css"><link rel="stylesheet" href="../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" href="../../ayu.css" disabled><link rel="stylesheet" href="../../dark.css" disabled><link rel="stylesheet" href="../../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../../storage.js"></script><script defer src="../../source-script.js"></script><script defer src="../../source-files.js"></script><script defer src="../../main.js"></script><noscript><link rel="stylesheet" href="../../noscript.css"></noscript><link rel="alternate icon" type="image/png" href="../../favicon-16x16.png"><link rel="alternate icon" type="image/png" href="../../favicon-32x32.png"><link rel="icon" type="image/svg+xml" href="../../favicon.svg"></head><body class="rustdoc source"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><a class="sidebar-logo" href="../../hyper/index.html"><div class="logo-container"><img class="rust-logo" src="../../rust-logo.svg" alt="logo"></div></a></nav><main><div class="width-limiter"><nav class="sub"><a class="sub-logo-container" href="../../hyper/index.html"><img class="rust-logo" src="../../rust-logo.svg" alt="logo"></a><form class="search-form"><div class="search-container"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><a href="../../help.html">?</a></div><div id="settings-menu" tabindex="-1"><a href="../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../wheel.svg"></a></div></div></form></nav><section id="main-content" class="content"><div class="example-wrap"><pre class="src-line-numbers"><span id="1">1</span> |
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| </pre><pre class="rust"><code><span class="doccomment">//! Error and Result module. |
| </span><span class="kw">use </span>std::error::Error <span class="kw">as </span>StdError; |
| <span class="kw">use </span>std::fmt; |
| |
| <span class="doccomment">/// Result type often returned from methods that can have hyper `Error`s. |
| </span><span class="kw">pub type </span><span class="prelude-ty">Result</span><T> = std::result::Result<T, Error>; |
| |
| <span class="kw">type </span>Cause = Box<<span class="kw">dyn </span>StdError + Send + Sync>; |
| |
| <span class="doccomment">/// Represents errors that can occur handling HTTP streams. |
| </span><span class="kw">pub struct </span>Error { |
| inner: Box<ErrorImpl>, |
| } |
| |
| <span class="kw">struct </span>ErrorImpl { |
| kind: Kind, |
| cause: <span class="prelude-ty">Option</span><Cause>, |
| } |
| |
| <span class="attribute">#[derive(Debug)] |
| </span><span class="kw">pub</span>(<span class="kw">super</span>) <span class="kw">enum </span>Kind { |
| Parse(Parse), |
| User(User), |
| <span class="doccomment">/// A message reached EOF, but is not complete. |
| </span><span class="attribute">#[allow(unused)] |
| </span>IncompleteMessage, |
| <span class="doccomment">/// A connection received a message (or bytes) when not waiting for one. |
| </span><span class="attribute">#[cfg(feature = <span class="string">"http1"</span>)] |
| </span>UnexpectedMessage, |
| <span class="doccomment">/// A pending item was dropped before ever being processed. |
| </span>Canceled, |
| <span class="doccomment">/// Indicates a channel (client or body sender) is closed. |
| </span>ChannelClosed, |
| <span class="doccomment">/// An `io::Error` that occurred while trying to read or write to a network stream. |
| </span><span class="attribute">#[cfg(any(feature = <span class="string">"http1"</span>, feature = <span class="string">"http2"</span>))] |
| </span>Io, |
| <span class="doccomment">/// Error occurred while connecting. |
| </span><span class="attribute">#[allow(unused)] |
| </span>Connect, |
| <span class="doccomment">/// Error creating a TcpListener. |
| </span><span class="attribute">#[cfg(all(feature = <span class="string">"tcp"</span>, feature = <span class="string">"server"</span>))] |
| </span>Listen, |
| <span class="doccomment">/// Error accepting on an Incoming stream. |
| </span><span class="attribute">#[cfg(any(feature = <span class="string">"http1"</span>, feature = <span class="string">"http2"</span>))] |
| #[cfg(feature = <span class="string">"server"</span>)] |
| </span>Accept, |
| <span class="doccomment">/// User took too long to send headers |
| </span><span class="attribute">#[cfg(all(feature = <span class="string">"http1"</span>, feature = <span class="string">"server"</span>, feature = <span class="string">"runtime"</span>))] |
| </span>HeaderTimeout, |
| <span class="doccomment">/// Error while reading a body from connection. |
| </span><span class="attribute">#[cfg(any(feature = <span class="string">"http1"</span>, feature = <span class="string">"http2"</span>, feature = <span class="string">"stream"</span>))] |
| </span>Body, |
| <span class="doccomment">/// Error while writing a body to connection. |
| </span><span class="attribute">#[cfg(any(feature = <span class="string">"http1"</span>, feature = <span class="string">"http2"</span>))] |
| </span>BodyWrite, |
| <span class="doccomment">/// Error calling AsyncWrite::shutdown() |
| </span><span class="attribute">#[cfg(feature = <span class="string">"http1"</span>)] |
| </span>Shutdown, |
| |
| <span class="doccomment">/// A general error from h2. |
| </span><span class="attribute">#[cfg(feature = <span class="string">"http2"</span>)] |
| </span>Http2, |
| } |
| |
| <span class="attribute">#[derive(Debug)] |
| </span><span class="kw">pub</span>(<span class="kw">super</span>) <span class="kw">enum </span>Parse { |
| Method, |
| Version, |
| <span class="attribute">#[cfg(feature = <span class="string">"http1"</span>)] |
| </span>VersionH2, |
| Uri, |
| <span class="attribute">#[cfg_attr(not(all(feature = <span class="string">"http1"</span>, feature = <span class="string">"server"</span>)), allow(unused))] |
| </span>UriTooLong, |
| Header(Header), |
| TooLarge, |
| Status, |
| <span class="attribute">#[cfg_attr(debug_assertions, allow(unused))] |
| </span>Internal, |
| } |
| |
| <span class="attribute">#[derive(Debug)] |
| </span><span class="kw">pub</span>(<span class="kw">super</span>) <span class="kw">enum </span>Header { |
| Token, |
| <span class="attribute">#[cfg(feature = <span class="string">"http1"</span>)] |
| </span>ContentLengthInvalid, |
| <span class="attribute">#[cfg(all(feature = <span class="string">"http1"</span>, feature = <span class="string">"server"</span>))] |
| </span>TransferEncodingInvalid, |
| <span class="attribute">#[cfg(feature = <span class="string">"http1"</span>)] |
| </span>TransferEncodingUnexpected, |
| } |
| |
| <span class="attribute">#[derive(Debug)] |
| </span><span class="kw">pub</span>(<span class="kw">super</span>) <span class="kw">enum </span>User { |
| <span class="doccomment">/// Error calling user's HttpBody::poll_data(). |
| </span><span class="attribute">#[cfg(any(feature = <span class="string">"http1"</span>, feature = <span class="string">"http2"</span>))] |
| </span>Body, |
| <span class="doccomment">/// The user aborted writing of the outgoing body. |
| </span>BodyWriteAborted, |
| <span class="doccomment">/// Error calling user's MakeService. |
| </span><span class="attribute">#[cfg(any(feature = <span class="string">"http1"</span>, feature = <span class="string">"http2"</span>))] |
| #[cfg(feature = <span class="string">"server"</span>)] |
| </span>MakeService, |
| <span class="doccomment">/// Error from future of user's Service. |
| </span><span class="attribute">#[cfg(any(feature = <span class="string">"http1"</span>, feature = <span class="string">"http2"</span>))] |
| </span>Service, |
| <span class="doccomment">/// User tried to send a certain header in an unexpected context. |
| /// |
| /// For example, sending both `content-length` and `transfer-encoding`. |
| </span><span class="attribute">#[cfg(any(feature = <span class="string">"http1"</span>, feature = <span class="string">"http2"</span>))] |
| #[cfg(feature = <span class="string">"server"</span>)] |
| </span>UnexpectedHeader, |
| <span class="doccomment">/// User tried to create a Request with bad version. |
| </span><span class="attribute">#[cfg(any(feature = <span class="string">"http1"</span>, feature = <span class="string">"http2"</span>))] |
| #[cfg(feature = <span class="string">"client"</span>)] |
| </span>UnsupportedVersion, |
| <span class="doccomment">/// User tried to create a CONNECT Request with the Client. |
| </span><span class="attribute">#[cfg(any(feature = <span class="string">"http1"</span>, feature = <span class="string">"http2"</span>))] |
| #[cfg(feature = <span class="string">"client"</span>)] |
| </span>UnsupportedRequestMethod, |
| <span class="doccomment">/// User tried to respond with a 1xx (not 101) response code. |
| </span><span class="attribute">#[cfg(feature = <span class="string">"http1"</span>)] |
| #[cfg(feature = <span class="string">"server"</span>)] |
| </span>UnsupportedStatusCode, |
| <span class="doccomment">/// User tried to send a Request with Client with non-absolute URI. |
| </span><span class="attribute">#[cfg(any(feature = <span class="string">"http1"</span>, feature = <span class="string">"http2"</span>))] |
| #[cfg(feature = <span class="string">"client"</span>)] |
| </span>AbsoluteUriRequired, |
| |
| <span class="doccomment">/// User tried polling for an upgrade that doesn't exist. |
| </span>NoUpgrade, |
| |
| <span class="doccomment">/// User polled for an upgrade, but low-level API is not using upgrades. |
| </span><span class="attribute">#[cfg(feature = <span class="string">"http1"</span>)] |
| </span>ManualUpgrade, |
| |
| <span class="doccomment">/// User called `server::Connection::without_shutdown()` on an HTTP/2 conn. |
| </span><span class="attribute">#[cfg(feature = <span class="string">"server"</span>)] |
| </span>WithoutShutdownNonHttp1, |
| |
| <span class="doccomment">/// The dispatch task is gone. |
| </span><span class="attribute">#[cfg(feature = <span class="string">"client"</span>)] |
| </span>DispatchGone, |
| |
| <span class="doccomment">/// User aborted in an FFI callback. |
| </span><span class="attribute">#[cfg(feature = <span class="string">"ffi"</span>)] |
| </span>AbortedByCallback, |
| } |
| |
| <span class="comment">// Sentinel type to indicate the error was caused by a timeout. |
| </span><span class="attribute">#[derive(Debug)] |
| </span><span class="kw">pub</span>(<span class="kw">super</span>) <span class="kw">struct </span>TimedOut; |
| |
| <span class="kw">impl </span>Error { |
| <span class="doccomment">/// Returns true if this was an HTTP parse error. |
| </span><span class="kw">pub fn </span>is_parse(<span class="kw-2">&</span><span class="self">self</span>) -> bool { |
| <span class="macro">matches!</span>(<span class="self">self</span>.inner.kind, Kind::Parse(<span class="kw">_</span>)) |
| } |
| |
| <span class="doccomment">/// Returns true if this was an HTTP parse error caused by a message that was too large. |
| </span><span class="kw">pub fn </span>is_parse_too_large(<span class="kw-2">&</span><span class="self">self</span>) -> bool { |
| <span class="macro">matches!</span>( |
| <span class="self">self</span>.inner.kind, |
| Kind::Parse(Parse::TooLarge) | Kind::Parse(Parse::UriTooLong) |
| ) |
| } |
| |
| <span class="doccomment">/// Returns true if this was an HTTP parse error caused by an invalid response status code or |
| /// reason phrase. |
| </span><span class="kw">pub fn </span>is_parse_status(<span class="kw-2">&</span><span class="self">self</span>) -> bool { |
| <span class="macro">matches!</span>(<span class="self">self</span>.inner.kind, Kind::Parse(Parse::Status)) |
| } |
| |
| <span class="doccomment">/// Returns true if this error was caused by user code. |
| </span><span class="kw">pub fn </span>is_user(<span class="kw-2">&</span><span class="self">self</span>) -> bool { |
| <span class="macro">matches!</span>(<span class="self">self</span>.inner.kind, Kind::User(<span class="kw">_</span>)) |
| } |
| |
| <span class="doccomment">/// Returns true if this was about a `Request` that was canceled. |
| </span><span class="kw">pub fn </span>is_canceled(<span class="kw-2">&</span><span class="self">self</span>) -> bool { |
| <span class="macro">matches!</span>(<span class="self">self</span>.inner.kind, Kind::Canceled) |
| } |
| |
| <span class="doccomment">/// Returns true if a sender's channel is closed. |
| </span><span class="kw">pub fn </span>is_closed(<span class="kw-2">&</span><span class="self">self</span>) -> bool { |
| <span class="macro">matches!</span>(<span class="self">self</span>.inner.kind, Kind::ChannelClosed) |
| } |
| |
| <span class="doccomment">/// Returns true if this was an error from `Connect`. |
| </span><span class="kw">pub fn </span>is_connect(<span class="kw-2">&</span><span class="self">self</span>) -> bool { |
| <span class="macro">matches!</span>(<span class="self">self</span>.inner.kind, Kind::Connect) |
| } |
| |
| <span class="doccomment">/// Returns true if the connection closed before a message could complete. |
| </span><span class="kw">pub fn </span>is_incomplete_message(<span class="kw-2">&</span><span class="self">self</span>) -> bool { |
| <span class="macro">matches!</span>(<span class="self">self</span>.inner.kind, Kind::IncompleteMessage) |
| } |
| |
| <span class="doccomment">/// Returns true if the body write was aborted. |
| </span><span class="kw">pub fn </span>is_body_write_aborted(<span class="kw-2">&</span><span class="self">self</span>) -> bool { |
| <span class="macro">matches!</span>(<span class="self">self</span>.inner.kind, Kind::User(User::BodyWriteAborted)) |
| } |
| |
| <span class="doccomment">/// Returns true if the error was caused by a timeout. |
| </span><span class="kw">pub fn </span>is_timeout(<span class="kw-2">&</span><span class="self">self</span>) -> bool { |
| <span class="self">self</span>.find_source::<TimedOut>().is_some() |
| } |
| |
| <span class="doccomment">/// Consumes the error, returning its cause. |
| </span><span class="kw">pub fn </span>into_cause(<span class="self">self</span>) -> <span class="prelude-ty">Option</span><Box<<span class="kw">dyn </span>StdError + Send + Sync>> { |
| <span class="self">self</span>.inner.cause |
| } |
| |
| <span class="kw">pub</span>(<span class="kw">super</span>) <span class="kw">fn </span>new(kind: Kind) -> Error { |
| Error { |
| inner: Box::new(ErrorImpl { kind, cause: <span class="prelude-val">None </span>}), |
| } |
| } |
| |
| <span class="kw">pub</span>(<span class="kw">super</span>) <span class="kw">fn </span>with<C: Into<Cause>>(<span class="kw-2">mut </span><span class="self">self</span>, cause: C) -> Error { |
| <span class="self">self</span>.inner.cause = <span class="prelude-val">Some</span>(cause.into()); |
| <span class="self">self |
| </span>} |
| |
| <span class="attribute">#[cfg(any(all(feature = <span class="string">"http1"</span>, feature = <span class="string">"server"</span>), feature = <span class="string">"ffi"</span>))] |
| </span><span class="kw">pub</span>(<span class="kw">super</span>) <span class="kw">fn </span>kind(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="kw-2">&</span>Kind { |
| <span class="kw-2">&</span><span class="self">self</span>.inner.kind |
| } |
| |
| <span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">fn </span>find_source<E: StdError + <span class="lifetime">'static</span>>(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="prelude-ty">Option</span><<span class="kw-2">&</span>E> { |
| <span class="kw">let </span><span class="kw-2">mut </span>cause = <span class="self">self</span>.source(); |
| <span class="kw">while let </span><span class="prelude-val">Some</span>(err) = cause { |
| <span class="kw">if let </span><span class="prelude-val">Some</span>(<span class="kw-2">ref </span>typed) = err.downcast_ref() { |
| <span class="kw">return </span><span class="prelude-val">Some</span>(typed); |
| } |
| cause = err.source(); |
| } |
| |
| <span class="comment">// else |
| </span><span class="prelude-val">None |
| </span>} |
| |
| <span class="attribute">#[cfg(feature = <span class="string">"http2"</span>)] |
| </span><span class="kw">pub</span>(<span class="kw">super</span>) <span class="kw">fn </span>h2_reason(<span class="kw-2">&</span><span class="self">self</span>) -> h2::Reason { |
| <span class="comment">// Find an h2::Reason somewhere in the cause stack, if it exists, |
| // otherwise assume an INTERNAL_ERROR. |
| </span><span class="self">self</span>.find_source::<h2::Error>() |
| .and_then(|h2_err| h2_err.reason()) |
| .unwrap_or(h2::Reason::INTERNAL_ERROR) |
| } |
| |
| <span class="kw">pub</span>(<span class="kw">super</span>) <span class="kw">fn </span>new_canceled() -> Error { |
| Error::new(Kind::Canceled) |
| } |
| |
| <span class="attribute">#[cfg(feature = <span class="string">"http1"</span>)] |
| </span><span class="kw">pub</span>(<span class="kw">super</span>) <span class="kw">fn </span>new_incomplete() -> Error { |
| Error::new(Kind::IncompleteMessage) |
| } |
| |
| <span class="attribute">#[cfg(feature = <span class="string">"http1"</span>)] |
| </span><span class="kw">pub</span>(<span class="kw">super</span>) <span class="kw">fn </span>new_too_large() -> Error { |
| Error::new(Kind::Parse(Parse::TooLarge)) |
| } |
| |
| <span class="attribute">#[cfg(feature = <span class="string">"http1"</span>)] |
| </span><span class="kw">pub</span>(<span class="kw">super</span>) <span class="kw">fn </span>new_version_h2() -> Error { |
| Error::new(Kind::Parse(Parse::VersionH2)) |
| } |
| |
| <span class="attribute">#[cfg(feature = <span class="string">"http1"</span>)] |
| </span><span class="kw">pub</span>(<span class="kw">super</span>) <span class="kw">fn </span>new_unexpected_message() -> Error { |
| Error::new(Kind::UnexpectedMessage) |
| } |
| |
| <span class="attribute">#[cfg(any(feature = <span class="string">"http1"</span>, feature = <span class="string">"http2"</span>))] |
| </span><span class="kw">pub</span>(<span class="kw">super</span>) <span class="kw">fn </span>new_io(cause: std::io::Error) -> Error { |
| Error::new(Kind::Io).with(cause) |
| } |
| |
| <span class="attribute">#[cfg(all(feature = <span class="string">"server"</span>, feature = <span class="string">"tcp"</span>))] |
| </span><span class="kw">pub</span>(<span class="kw">super</span>) <span class="kw">fn </span>new_listen<E: Into<Cause>>(cause: E) -> Error { |
| Error::new(Kind::Listen).with(cause) |
| } |
| |
| <span class="attribute">#[cfg(any(feature = <span class="string">"http1"</span>, feature = <span class="string">"http2"</span>))] |
| #[cfg(feature = <span class="string">"server"</span>)] |
| </span><span class="kw">pub</span>(<span class="kw">super</span>) <span class="kw">fn </span>new_accept<E: Into<Cause>>(cause: E) -> Error { |
| Error::new(Kind::Accept).with(cause) |
| } |
| |
| <span class="attribute">#[cfg(any(feature = <span class="string">"http1"</span>, feature = <span class="string">"http2"</span>))] |
| #[cfg(feature = <span class="string">"client"</span>)] |
| </span><span class="kw">pub</span>(<span class="kw">super</span>) <span class="kw">fn </span>new_connect<E: Into<Cause>>(cause: E) -> Error { |
| Error::new(Kind::Connect).with(cause) |
| } |
| |
| <span class="kw">pub</span>(<span class="kw">super</span>) <span class="kw">fn </span>new_closed() -> Error { |
| Error::new(Kind::ChannelClosed) |
| } |
| |
| <span class="attribute">#[cfg(any(feature = <span class="string">"http1"</span>, feature = <span class="string">"http2"</span>, feature = <span class="string">"stream"</span>))] |
| </span><span class="kw">pub</span>(<span class="kw">super</span>) <span class="kw">fn </span>new_body<E: Into<Cause>>(cause: E) -> Error { |
| Error::new(Kind::Body).with(cause) |
| } |
| |
| <span class="attribute">#[cfg(any(feature = <span class="string">"http1"</span>, feature = <span class="string">"http2"</span>))] |
| </span><span class="kw">pub</span>(<span class="kw">super</span>) <span class="kw">fn </span>new_body_write<E: Into<Cause>>(cause: E) -> Error { |
| Error::new(Kind::BodyWrite).with(cause) |
| } |
| |
| <span class="kw">pub</span>(<span class="kw">super</span>) <span class="kw">fn </span>new_body_write_aborted() -> Error { |
| Error::new(Kind::User(User::BodyWriteAborted)) |
| } |
| |
| <span class="kw">fn </span>new_user(user: User) -> Error { |
| Error::new(Kind::User(user)) |
| } |
| |
| <span class="attribute">#[cfg(any(feature = <span class="string">"http1"</span>, feature = <span class="string">"http2"</span>))] |
| #[cfg(feature = <span class="string">"server"</span>)] |
| </span><span class="kw">pub</span>(<span class="kw">super</span>) <span class="kw">fn </span>new_user_header() -> Error { |
| Error::new_user(User::UnexpectedHeader) |
| } |
| |
| <span class="attribute">#[cfg(all(feature = <span class="string">"http1"</span>, feature = <span class="string">"server"</span>, feature = <span class="string">"runtime"</span>))] |
| </span><span class="kw">pub</span>(<span class="kw">super</span>) <span class="kw">fn </span>new_header_timeout() -> Error { |
| Error::new(Kind::HeaderTimeout) |
| } |
| |
| <span class="attribute">#[cfg(any(feature = <span class="string">"http1"</span>, feature = <span class="string">"http2"</span>))] |
| #[cfg(feature = <span class="string">"client"</span>)] |
| </span><span class="kw">pub</span>(<span class="kw">super</span>) <span class="kw">fn </span>new_user_unsupported_version() -> Error { |
| Error::new_user(User::UnsupportedVersion) |
| } |
| |
| <span class="attribute">#[cfg(any(feature = <span class="string">"http1"</span>, feature = <span class="string">"http2"</span>))] |
| #[cfg(feature = <span class="string">"client"</span>)] |
| </span><span class="kw">pub</span>(<span class="kw">super</span>) <span class="kw">fn </span>new_user_unsupported_request_method() -> Error { |
| Error::new_user(User::UnsupportedRequestMethod) |
| } |
| |
| <span class="attribute">#[cfg(feature = <span class="string">"http1"</span>)] |
| #[cfg(feature = <span class="string">"server"</span>)] |
| </span><span class="kw">pub</span>(<span class="kw">super</span>) <span class="kw">fn </span>new_user_unsupported_status_code() -> Error { |
| Error::new_user(User::UnsupportedStatusCode) |
| } |
| |
| <span class="attribute">#[cfg(any(feature = <span class="string">"http1"</span>, feature = <span class="string">"http2"</span>))] |
| #[cfg(feature = <span class="string">"client"</span>)] |
| </span><span class="kw">pub</span>(<span class="kw">super</span>) <span class="kw">fn </span>new_user_absolute_uri_required() -> Error { |
| Error::new_user(User::AbsoluteUriRequired) |
| } |
| |
| <span class="kw">pub</span>(<span class="kw">super</span>) <span class="kw">fn </span>new_user_no_upgrade() -> Error { |
| Error::new_user(User::NoUpgrade) |
| } |
| |
| <span class="attribute">#[cfg(feature = <span class="string">"http1"</span>)] |
| </span><span class="kw">pub</span>(<span class="kw">super</span>) <span class="kw">fn </span>new_user_manual_upgrade() -> Error { |
| Error::new_user(User::ManualUpgrade) |
| } |
| |
| <span class="attribute">#[cfg(any(feature = <span class="string">"http1"</span>, feature = <span class="string">"http2"</span>))] |
| #[cfg(feature = <span class="string">"server"</span>)] |
| </span><span class="kw">pub</span>(<span class="kw">super</span>) <span class="kw">fn </span>new_user_make_service<E: Into<Cause>>(cause: E) -> Error { |
| Error::new_user(User::MakeService).with(cause) |
| } |
| |
| <span class="attribute">#[cfg(any(feature = <span class="string">"http1"</span>, feature = <span class="string">"http2"</span>))] |
| </span><span class="kw">pub</span>(<span class="kw">super</span>) <span class="kw">fn </span>new_user_service<E: Into<Cause>>(cause: E) -> Error { |
| Error::new_user(User::Service).with(cause) |
| } |
| |
| <span class="attribute">#[cfg(any(feature = <span class="string">"http1"</span>, feature = <span class="string">"http2"</span>))] |
| </span><span class="kw">pub</span>(<span class="kw">super</span>) <span class="kw">fn </span>new_user_body<E: Into<Cause>>(cause: E) -> Error { |
| Error::new_user(User::Body).with(cause) |
| } |
| |
| <span class="attribute">#[cfg(feature = <span class="string">"server"</span>)] |
| </span><span class="kw">pub</span>(<span class="kw">super</span>) <span class="kw">fn </span>new_without_shutdown_not_h1() -> Error { |
| Error::new(Kind::User(User::WithoutShutdownNonHttp1)) |
| } |
| |
| <span class="attribute">#[cfg(feature = <span class="string">"http1"</span>)] |
| </span><span class="kw">pub</span>(<span class="kw">super</span>) <span class="kw">fn </span>new_shutdown(cause: std::io::Error) -> Error { |
| Error::new(Kind::Shutdown).with(cause) |
| } |
| |
| <span class="attribute">#[cfg(feature = <span class="string">"ffi"</span>)] |
| </span><span class="kw">pub</span>(<span class="kw">super</span>) <span class="kw">fn </span>new_user_aborted_by_callback() -> Error { |
| Error::new_user(User::AbortedByCallback) |
| } |
| |
| <span class="attribute">#[cfg(feature = <span class="string">"client"</span>)] |
| </span><span class="kw">pub</span>(<span class="kw">super</span>) <span class="kw">fn </span>new_user_dispatch_gone() -> Error { |
| Error::new(Kind::User(User::DispatchGone)) |
| } |
| |
| <span class="attribute">#[cfg(feature = <span class="string">"http2"</span>)] |
| </span><span class="kw">pub</span>(<span class="kw">super</span>) <span class="kw">fn </span>new_h2(cause: ::h2::Error) -> Error { |
| <span class="kw">if </span>cause.is_io() { |
| Error::new_io(cause.into_io().expect(<span class="string">"h2::Error::is_io"</span>)) |
| } <span class="kw">else </span>{ |
| Error::new(Kind::Http2).with(cause) |
| } |
| } |
| |
| <span class="doccomment">/// The error's standalone message, without the message from the source. |
| </span><span class="kw">pub fn </span>message(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="kw">impl </span>fmt::Display + <span class="lifetime">'_ </span>{ |
| <span class="self">self</span>.description() |
| } |
| |
| <span class="kw">fn </span>description(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="kw-2">&</span>str { |
| <span class="kw">match </span><span class="self">self</span>.inner.kind { |
| Kind::Parse(Parse::Method) => <span class="string">"invalid HTTP method parsed"</span>, |
| Kind::Parse(Parse::Version) => <span class="string">"invalid HTTP version parsed"</span>, |
| <span class="attribute">#[cfg(feature = <span class="string">"http1"</span>)] |
| </span>Kind::Parse(Parse::VersionH2) => <span class="string">"invalid HTTP version parsed (found HTTP2 preface)"</span>, |
| Kind::Parse(Parse::Uri) => <span class="string">"invalid URI"</span>, |
| Kind::Parse(Parse::UriTooLong) => <span class="string">"URI too long"</span>, |
| Kind::Parse(Parse::Header(Header::Token)) => <span class="string">"invalid HTTP header parsed"</span>, |
| <span class="attribute">#[cfg(feature = <span class="string">"http1"</span>)] |
| </span>Kind::Parse(Parse::Header(Header::ContentLengthInvalid)) => { |
| <span class="string">"invalid content-length parsed" |
| </span>} |
| <span class="attribute">#[cfg(all(feature = <span class="string">"http1"</span>, feature = <span class="string">"server"</span>))] |
| </span>Kind::Parse(Parse::Header(Header::TransferEncodingInvalid)) => { |
| <span class="string">"invalid transfer-encoding parsed" |
| </span>} |
| <span class="attribute">#[cfg(feature = <span class="string">"http1"</span>)] |
| </span>Kind::Parse(Parse::Header(Header::TransferEncodingUnexpected)) => { |
| <span class="string">"unexpected transfer-encoding parsed" |
| </span>} |
| Kind::Parse(Parse::TooLarge) => <span class="string">"message head is too large"</span>, |
| Kind::Parse(Parse::Status) => <span class="string">"invalid HTTP status-code parsed"</span>, |
| Kind::Parse(Parse::Internal) => { |
| <span class="string">"internal error inside Hyper and/or its dependencies, please report" |
| </span>} |
| Kind::IncompleteMessage => <span class="string">"connection closed before message completed"</span>, |
| <span class="attribute">#[cfg(feature = <span class="string">"http1"</span>)] |
| </span>Kind::UnexpectedMessage => <span class="string">"received unexpected message from connection"</span>, |
| Kind::ChannelClosed => <span class="string">"channel closed"</span>, |
| Kind::Connect => <span class="string">"error trying to connect"</span>, |
| Kind::Canceled => <span class="string">"operation was canceled"</span>, |
| <span class="attribute">#[cfg(all(feature = <span class="string">"server"</span>, feature = <span class="string">"tcp"</span>))] |
| </span>Kind::Listen => <span class="string">"error creating server listener"</span>, |
| <span class="attribute">#[cfg(any(feature = <span class="string">"http1"</span>, feature = <span class="string">"http2"</span>))] |
| #[cfg(feature = <span class="string">"server"</span>)] |
| </span>Kind::Accept => <span class="string">"error accepting connection"</span>, |
| <span class="attribute">#[cfg(all(feature = <span class="string">"http1"</span>, feature = <span class="string">"server"</span>, feature = <span class="string">"runtime"</span>))] |
| </span>Kind::HeaderTimeout => <span class="string">"read header from client timeout"</span>, |
| <span class="attribute">#[cfg(any(feature = <span class="string">"http1"</span>, feature = <span class="string">"http2"</span>, feature = <span class="string">"stream"</span>))] |
| </span>Kind::Body => <span class="string">"error reading a body from connection"</span>, |
| <span class="attribute">#[cfg(any(feature = <span class="string">"http1"</span>, feature = <span class="string">"http2"</span>))] |
| </span>Kind::BodyWrite => <span class="string">"error writing a body to connection"</span>, |
| <span class="attribute">#[cfg(feature = <span class="string">"http1"</span>)] |
| </span>Kind::Shutdown => <span class="string">"error shutting down connection"</span>, |
| <span class="attribute">#[cfg(feature = <span class="string">"http2"</span>)] |
| </span>Kind::Http2 => <span class="string">"http2 error"</span>, |
| <span class="attribute">#[cfg(any(feature = <span class="string">"http1"</span>, feature = <span class="string">"http2"</span>))] |
| </span>Kind::Io => <span class="string">"connection error"</span>, |
| |
| <span class="attribute">#[cfg(any(feature = <span class="string">"http1"</span>, feature = <span class="string">"http2"</span>))] |
| </span>Kind::User(User::Body) => <span class="string">"error from user's HttpBody stream"</span>, |
| Kind::User(User::BodyWriteAborted) => <span class="string">"user body write aborted"</span>, |
| <span class="attribute">#[cfg(any(feature = <span class="string">"http1"</span>, feature = <span class="string">"http2"</span>))] |
| #[cfg(feature = <span class="string">"server"</span>)] |
| </span>Kind::User(User::MakeService) => <span class="string">"error from user's MakeService"</span>, |
| <span class="attribute">#[cfg(any(feature = <span class="string">"http1"</span>, feature = <span class="string">"http2"</span>))] |
| </span>Kind::User(User::Service) => <span class="string">"error from user's Service"</span>, |
| <span class="attribute">#[cfg(any(feature = <span class="string">"http1"</span>, feature = <span class="string">"http2"</span>))] |
| #[cfg(feature = <span class="string">"server"</span>)] |
| </span>Kind::User(User::UnexpectedHeader) => <span class="string">"user sent unexpected header"</span>, |
| <span class="attribute">#[cfg(any(feature = <span class="string">"http1"</span>, feature = <span class="string">"http2"</span>))] |
| #[cfg(feature = <span class="string">"client"</span>)] |
| </span>Kind::User(User::UnsupportedVersion) => <span class="string">"request has unsupported HTTP version"</span>, |
| <span class="attribute">#[cfg(any(feature = <span class="string">"http1"</span>, feature = <span class="string">"http2"</span>))] |
| #[cfg(feature = <span class="string">"client"</span>)] |
| </span>Kind::User(User::UnsupportedRequestMethod) => <span class="string">"request has unsupported HTTP method"</span>, |
| <span class="attribute">#[cfg(feature = <span class="string">"http1"</span>)] |
| #[cfg(feature = <span class="string">"server"</span>)] |
| </span>Kind::User(User::UnsupportedStatusCode) => { |
| <span class="string">"response has 1xx status code, not supported by server" |
| </span>} |
| <span class="attribute">#[cfg(any(feature = <span class="string">"http1"</span>, feature = <span class="string">"http2"</span>))] |
| #[cfg(feature = <span class="string">"client"</span>)] |
| </span>Kind::User(User::AbsoluteUriRequired) => <span class="string">"client requires absolute-form URIs"</span>, |
| Kind::User(User::NoUpgrade) => <span class="string">"no upgrade available"</span>, |
| <span class="attribute">#[cfg(feature = <span class="string">"http1"</span>)] |
| </span>Kind::User(User::ManualUpgrade) => <span class="string">"upgrade expected but low level API in use"</span>, |
| <span class="attribute">#[cfg(feature = <span class="string">"server"</span>)] |
| </span>Kind::User(User::WithoutShutdownNonHttp1) => { |
| <span class="string">"without_shutdown() called on a non-HTTP/1 connection" |
| </span>} |
| <span class="attribute">#[cfg(feature = <span class="string">"client"</span>)] |
| </span>Kind::User(User::DispatchGone) => <span class="string">"dispatch task is gone"</span>, |
| <span class="attribute">#[cfg(feature = <span class="string">"ffi"</span>)] |
| </span>Kind::User(User::AbortedByCallback) => <span class="string">"operation aborted by an application callback"</span>, |
| } |
| } |
| } |
| |
| <span class="kw">impl </span>fmt::Debug <span class="kw">for </span>Error { |
| <span class="kw">fn </span>fmt(<span class="kw-2">&</span><span class="self">self</span>, f: <span class="kw-2">&mut </span>fmt::Formatter<<span class="lifetime">'_</span>>) -> fmt::Result { |
| <span class="kw">let </span><span class="kw-2">mut </span>f = f.debug_tuple(<span class="string">"hyper::Error"</span>); |
| f.field(<span class="kw-2">&</span><span class="self">self</span>.inner.kind); |
| <span class="kw">if let </span><span class="prelude-val">Some</span>(<span class="kw-2">ref </span>cause) = <span class="self">self</span>.inner.cause { |
| f.field(cause); |
| } |
| f.finish() |
| } |
| } |
| |
| <span class="kw">impl </span>fmt::Display <span class="kw">for </span>Error { |
| <span class="kw">fn </span>fmt(<span class="kw-2">&</span><span class="self">self</span>, f: <span class="kw-2">&mut </span>fmt::Formatter<<span class="lifetime">'_</span>>) -> fmt::Result { |
| <span class="kw">if let </span><span class="prelude-val">Some</span>(<span class="kw-2">ref </span>cause) = <span class="self">self</span>.inner.cause { |
| <span class="macro">write!</span>(f, <span class="string">"{}: {}"</span>, <span class="self">self</span>.description(), cause) |
| } <span class="kw">else </span>{ |
| f.write_str(<span class="self">self</span>.description()) |
| } |
| } |
| } |
| |
| <span class="kw">impl </span>StdError <span class="kw">for </span>Error { |
| <span class="kw">fn </span>source(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="prelude-ty">Option</span><<span class="kw-2">&</span>(<span class="kw">dyn </span>StdError + <span class="lifetime">'static</span>)> { |
| <span class="self">self</span>.inner |
| .cause |
| .as_ref() |
| .map(|cause| <span class="kw-2">&**</span>cause <span class="kw">as </span><span class="kw-2">&</span>(<span class="kw">dyn </span>StdError + <span class="lifetime">'static</span>)) |
| } |
| } |
| |
| <span class="attribute">#[doc(hidden)] |
| </span><span class="kw">impl </span>From<Parse> <span class="kw">for </span>Error { |
| <span class="kw">fn </span>from(err: Parse) -> Error { |
| Error::new(Kind::Parse(err)) |
| } |
| } |
| |
| <span class="attribute">#[cfg(feature = <span class="string">"http1"</span>)] |
| </span><span class="kw">impl </span>Parse { |
| <span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">fn </span>content_length_invalid() -> <span class="self">Self </span>{ |
| Parse::Header(Header::ContentLengthInvalid) |
| } |
| |
| <span class="attribute">#[cfg(all(feature = <span class="string">"http1"</span>, feature = <span class="string">"server"</span>))] |
| </span><span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">fn </span>transfer_encoding_invalid() -> <span class="self">Self </span>{ |
| Parse::Header(Header::TransferEncodingInvalid) |
| } |
| |
| <span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">fn </span>transfer_encoding_unexpected() -> <span class="self">Self </span>{ |
| Parse::Header(Header::TransferEncodingUnexpected) |
| } |
| } |
| |
| <span class="kw">impl </span>From<httparse::Error> <span class="kw">for </span>Parse { |
| <span class="kw">fn </span>from(err: httparse::Error) -> Parse { |
| <span class="kw">match </span>err { |
| httparse::Error::HeaderName |
| | httparse::Error::HeaderValue |
| | httparse::Error::NewLine |
| | httparse::Error::Token => Parse::Header(Header::Token), |
| httparse::Error::Status => Parse::Status, |
| httparse::Error::TooManyHeaders => Parse::TooLarge, |
| httparse::Error::Version => Parse::Version, |
| } |
| } |
| } |
| |
| <span class="kw">impl </span>From<http::method::InvalidMethod> <span class="kw">for </span>Parse { |
| <span class="kw">fn </span>from(<span class="kw">_</span>: http::method::InvalidMethod) -> Parse { |
| Parse::Method |
| } |
| } |
| |
| <span class="kw">impl </span>From<http::status::InvalidStatusCode> <span class="kw">for </span>Parse { |
| <span class="kw">fn </span>from(<span class="kw">_</span>: http::status::InvalidStatusCode) -> Parse { |
| Parse::Status |
| } |
| } |
| |
| <span class="kw">impl </span>From<http::uri::InvalidUri> <span class="kw">for </span>Parse { |
| <span class="kw">fn </span>from(<span class="kw">_</span>: http::uri::InvalidUri) -> Parse { |
| Parse::Uri |
| } |
| } |
| |
| <span class="kw">impl </span>From<http::uri::InvalidUriParts> <span class="kw">for </span>Parse { |
| <span class="kw">fn </span>from(<span class="kw">_</span>: http::uri::InvalidUriParts) -> Parse { |
| Parse::Uri |
| } |
| } |
| |
| <span class="attribute">#[doc(hidden)] |
| </span><span class="kw">trait </span>AssertSendSync: Send + Sync + <span class="lifetime">'static </span>{} |
| <span class="attribute">#[doc(hidden)] |
| </span><span class="kw">impl </span>AssertSendSync <span class="kw">for </span>Error {} |
| |
| <span class="comment">// ===== impl TimedOut ==== |
| |
| </span><span class="kw">impl </span>fmt::Display <span class="kw">for </span>TimedOut { |
| <span class="kw">fn </span>fmt(<span class="kw-2">&</span><span class="self">self</span>, f: <span class="kw-2">&mut </span>fmt::Formatter<<span class="lifetime">'_</span>>) -> fmt::Result { |
| f.write_str(<span class="string">"operation timed out"</span>) |
| } |
| } |
| |
| <span class="kw">impl </span>StdError <span class="kw">for </span>TimedOut {} |
| |
| <span class="attribute">#[cfg(test)] |
| </span><span class="kw">mod </span>tests { |
| <span class="kw">use super</span>::<span class="kw-2">*</span>; |
| <span class="kw">use </span>std::mem; |
| |
| <span class="attribute">#[test] |
| </span><span class="kw">fn </span>error_size_of() { |
| <span class="macro">assert_eq!</span>(mem::size_of::<Error>(), mem::size_of::<usize>()); |
| } |
| |
| <span class="attribute">#[cfg(feature = <span class="string">"http2"</span>)] |
| #[test] |
| </span><span class="kw">fn </span>h2_reason_unknown() { |
| <span class="kw">let </span>closed = Error::new_closed(); |
| <span class="macro">assert_eq!</span>(closed.h2_reason(), h2::Reason::INTERNAL_ERROR); |
| } |
| |
| <span class="attribute">#[cfg(feature = <span class="string">"http2"</span>)] |
| #[test] |
| </span><span class="kw">fn </span>h2_reason_one_level() { |
| <span class="kw">let </span>body_err = Error::new_user_body(h2::Error::from(h2::Reason::ENHANCE_YOUR_CALM)); |
| <span class="macro">assert_eq!</span>(body_err.h2_reason(), h2::Reason::ENHANCE_YOUR_CALM); |
| } |
| |
| <span class="attribute">#[cfg(feature = <span class="string">"http2"</span>)] |
| #[test] |
| </span><span class="kw">fn </span>h2_reason_nested() { |
| <span class="kw">let </span>recvd = Error::new_h2(h2::Error::from(h2::Reason::HTTP_1_1_REQUIRED)); |
| <span class="comment">// Suppose a user were proxying the received error |
| </span><span class="kw">let </span>svc_err = Error::new_user_service(recvd); |
| <span class="macro">assert_eq!</span>(svc_err.h2_reason(), h2::Reason::HTTP_1_1_REQUIRED); |
| } |
| } |
| </code></pre></div> |
| </section></div></main><div id="rustdoc-vars" data-root-path="../../" data-current-crate="hyper" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0-nightly (5c8bff74b 2022-10-21)" ></div></body></html> |
