tokio-io-timeout-1.2.0/.cargo_vcs_info.json0000644000000001360000000000100142520ustar { "git": { "sha1": "e818ed822fd92ae4c28f7d0b923913968a9cc989" }, "path_in_vcs": "" }tokio-io-timeout-1.2.0/.circleci/config.yml000064400000000000000000000015270072674642500167220ustar 00000000000000restore_registry: &RESTORE_REGISTRY restore_cache: key: registry save_registry: &SAVE_REGISTRY save_cache: key: registry-{{ .BuildNum }} paths: - /usr/local/cargo/registry/index deps_key: &DEPS_KEY key: deps-{{ checksum "~/rust-version" }}-{{ checksum "Cargo.lock" }} restore_deps: &RESTORE_DEPS restore_cache: <<: *DEPS_KEY save_deps: &SAVE_DEPS save_cache: <<: *DEPS_KEY paths: - target - /usr/local/cargo/registry/cache version: 2 jobs: build: working_directory: ~/build docker: - image: rustlang/rust:nightly environment: RUSTFLAGS: -D warnings steps: - checkout - *RESTORE_REGISTRY - run: cargo generate-lockfile - *SAVE_REGISTRY - run: rustc --version > ~/rust-version - *RESTORE_DEPS - run: cargo test - *SAVE_DEPS tokio-io-timeout-1.2.0/.github/dependabot.yml000064400000000000000000000002210072674642500172550ustar 00000000000000version: 2 updates: - package-ecosystem: cargo directory: "/" schedule: interval: daily time: "13:00" open-pull-requests-limit: 10 tokio-io-timeout-1.2.0/.gitignore000064400000000000000000000000500072674642500150550ustar 00000000000000target/ **/*.rs.bk Cargo.lock .vscode/ tokio-io-timeout-1.2.0/Cargo.toml0000644000000016440000000000100122550ustar # THIS FILE IS AUTOMATICALLY GENERATED BY CARGO # # When uploading crates to the registry Cargo will automatically # "normalize" Cargo.toml files for maximal compatibility # with all versions of Cargo and also rewrite `path` dependencies # to registry (e.g., crates.io) dependencies. # # If you are reading this file be aware that the original Cargo.toml # will likely look very different (and much more reasonable). # See Cargo.toml.orig for the original contents. [package] edition = "2018" name = "tokio-io-timeout" version = "1.2.0" authors = ["Steven Fackler "] description = "Tokio wrappers which apply timeouts to IO operations" readme = "README.md" license = "MIT/Apache-2.0" repository = "https://github.com/sfackler/tokio-io-timeout" [dependencies.pin-project-lite] version = "0.2" [dependencies.tokio] version = "1.0" features = ["time"] [dev-dependencies.tokio] version = "1.0" features = ["full"] tokio-io-timeout-1.2.0/Cargo.toml.orig000064400000000000000000000007110072674642500157600ustar 00000000000000[package] name = "tokio-io-timeout" version = "1.2.0" authors = ["Steven Fackler "] license = "MIT/Apache-2.0" description = "Tokio wrappers which apply timeouts to IO operations" repository = "https://github.com/sfackler/tokio-io-timeout" readme = "README.md" edition = "2018" [dependencies] pin-project-lite = "0.2" tokio = { version = "1.0", features = ["time"] } [dev-dependencies] tokio = { version = "1.0", features = ["full"] } tokio-io-timeout-1.2.0/LICENSE-APACHE000064400000000000000000000261360072674642500150260ustar 00000000000000 Apache License Version 2.0, January 2004 http://www.apache.org/licenses/ TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION 1. 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IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. tokio-io-timeout-1.2.0/README.md000064400000000000000000000013650072674642500143560ustar 00000000000000# tokio-io-timeout [![CircleCI](https://circleci.com/gh/sfackler/tokio-io-timeout.svg?style=shield)](https://circleci.com/gh/sfackler/tokio-io-timeout) [Documentation](https://docs.rs/tokio-io-timeout) Tokio wrappers which apply timeouts to IO operations. ## License Licensed under either of * Apache License, Version 2.0, ([LICENSE-APACHE](LICENSE-APACHE) or http://www.apache.org/licenses/LICENSE-2.0) * MIT license ([LICENSE-MIT](LICENSE-MIT) or http://opensource.org/licenses/MIT) at your option. ### Contribution Unless you explicitly state otherwise, any contribution intentionally submitted for inclusion in the work by you, as defined in the Apache-2.0 license, shall be dual licensed as above, without any additional terms or conditions. tokio-io-timeout-1.2.0/src/lib.rs000064400000000000000000000424630072674642500150060ustar 00000000000000//! Tokio wrappers which apply timeouts to IO operations. //! //! These timeouts are analogous to the read and write timeouts on traditional blocking sockets. A timeout countdown is //! initiated when a read/write operation returns [`Poll::Pending`]. If a read/write does not return successfully before //! the countdown expires, an [`io::Error`] with a kind of [`TimedOut`](io::ErrorKind::TimedOut) is returned. #![doc(html_root_url = "https://docs.rs/tokio-io-timeout/1")] #![warn(missing_docs)] use pin_project_lite::pin_project; use std::future::Future; use std::io; use std::io::SeekFrom; use std::pin::Pin; use std::task::{Context, Poll}; use std::time::Duration; use tokio::io::{AsyncRead, AsyncSeek, AsyncWrite, ReadBuf}; use tokio::time::{sleep_until, Instant, Sleep}; pin_project! { #[derive(Debug)] struct TimeoutState { timeout: Option, #[pin] cur: Sleep, active: bool, } } impl TimeoutState { #[inline] fn new() -> TimeoutState { TimeoutState { timeout: None, cur: sleep_until(Instant::now()), active: false, } } #[inline] fn timeout(&self) -> Option { self.timeout } #[inline] fn set_timeout(&mut self, timeout: Option) { // since this takes &mut self, we can't yet be active self.timeout = timeout; } #[inline] fn set_timeout_pinned(mut self: Pin<&mut Self>, timeout: Option) { *self.as_mut().project().timeout = timeout; self.reset(); } #[inline] fn reset(self: Pin<&mut Self>) { let this = self.project(); if *this.active { *this.active = false; this.cur.reset(Instant::now()); } } #[inline] fn poll_check(self: Pin<&mut Self>, cx: &mut Context<'_>) -> io::Result<()> { let mut this = self.project(); let timeout = match this.timeout { Some(timeout) => *timeout, None => return Ok(()), }; if !*this.active { this.cur.as_mut().reset(Instant::now() + timeout); *this.active = true; } match this.cur.poll(cx) { Poll::Ready(()) => Err(io::Error::from(io::ErrorKind::TimedOut)), Poll::Pending => Ok(()), } } } pin_project! { /// An `AsyncRead`er which applies a timeout to read operations. #[derive(Debug)] pub struct TimeoutReader { #[pin] reader: R, #[pin] state: TimeoutState, } } impl TimeoutReader where R: AsyncRead, { /// Returns a new `TimeoutReader` wrapping the specified reader. /// /// There is initially no timeout. pub fn new(reader: R) -> TimeoutReader { TimeoutReader { reader, state: TimeoutState::new(), } } /// Returns the current read timeout. pub fn timeout(&self) -> Option { self.state.timeout() } /// Sets the read timeout. /// /// This can only be used before the reader is pinned; use [`set_timeout_pinned`](Self::set_timeout_pinned) /// otherwise. pub fn set_timeout(&mut self, timeout: Option) { self.state.set_timeout(timeout); } /// Sets the read timeout. /// /// This will reset any pending timeout. Use [`set_timeout`](Self::set_timeout) instead if the reader is not yet /// pinned. pub fn set_timeout_pinned(self: Pin<&mut Self>, timeout: Option) { self.project().state.set_timeout_pinned(timeout); } /// Returns a shared reference to the inner reader. pub fn get_ref(&self) -> &R { &self.reader } /// Returns a mutable reference to the inner reader. pub fn get_mut(&mut self) -> &mut R { &mut self.reader } /// Returns a pinned mutable reference to the inner reader. pub fn get_pin_mut(self: Pin<&mut Self>) -> Pin<&mut R> { self.project().reader } /// Consumes the `TimeoutReader`, returning the inner reader. pub fn into_inner(self) -> R { self.reader } } impl AsyncRead for TimeoutReader where R: AsyncRead, { fn poll_read( self: Pin<&mut Self>, cx: &mut Context<'_>, buf: &mut ReadBuf<'_>, ) -> Poll> { let this = self.project(); let r = this.reader.poll_read(cx, buf); match r { Poll::Pending => this.state.poll_check(cx)?, _ => this.state.reset(), } r } } impl AsyncWrite for TimeoutReader where R: AsyncWrite, { fn poll_write( self: Pin<&mut Self>, cx: &mut Context, buf: &[u8], ) -> Poll> { self.project().reader.poll_write(cx, buf) } fn poll_flush(self: Pin<&mut Self>, cx: &mut Context) -> Poll> { self.project().reader.poll_flush(cx) } fn poll_shutdown(self: Pin<&mut Self>, cx: &mut Context) -> Poll> { self.project().reader.poll_shutdown(cx) } fn poll_write_vectored( self: Pin<&mut Self>, cx: &mut Context<'_>, bufs: &[io::IoSlice<'_>], ) -> Poll> { self.project().reader.poll_write_vectored(cx, bufs) } fn is_write_vectored(&self) -> bool { self.reader.is_write_vectored() } } impl AsyncSeek for TimeoutReader where R: AsyncSeek, { fn start_seek(self: Pin<&mut Self>, position: SeekFrom) -> io::Result<()> { self.project().reader.start_seek(position) } fn poll_complete(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll> { self.project().reader.poll_complete(cx) } } pin_project! { /// An `AsyncWrite`er which applies a timeout to write operations. #[derive(Debug)] pub struct TimeoutWriter { #[pin] writer: W, #[pin] state: TimeoutState, } } impl TimeoutWriter where W: AsyncWrite, { /// Returns a new `TimeoutReader` wrapping the specified reader. /// /// There is initially no timeout. pub fn new(writer: W) -> TimeoutWriter { TimeoutWriter { writer, state: TimeoutState::new(), } } /// Returns the current write timeout. pub fn timeout(&self) -> Option { self.state.timeout() } /// Sets the write timeout. /// /// This can only be used before the writer is pinned; use [`set_timeout_pinned`](Self::set_timeout_pinned) /// otherwise. pub fn set_timeout(&mut self, timeout: Option) { self.state.set_timeout(timeout); } /// Sets the write timeout. /// /// This will reset any pending timeout. Use [`set_timeout`](Self::set_timeout) instead if the reader is not yet /// pinned. pub fn set_timeout_pinned(self: Pin<&mut Self>, timeout: Option) { self.project().state.set_timeout_pinned(timeout); } /// Returns a shared reference to the inner writer. pub fn get_ref(&self) -> &W { &self.writer } /// Returns a mutable reference to the inner writer. pub fn get_mut(&mut self) -> &mut W { &mut self.writer } /// Returns a pinned mutable reference to the inner writer. pub fn get_pin_mut(self: Pin<&mut Self>) -> Pin<&mut W> { self.project().writer } /// Consumes the `TimeoutWriter`, returning the inner writer. pub fn into_inner(self) -> W { self.writer } } impl AsyncWrite for TimeoutWriter where W: AsyncWrite, { fn poll_write( self: Pin<&mut Self>, cx: &mut Context, buf: &[u8], ) -> Poll> { let this = self.project(); let r = this.writer.poll_write(cx, buf); match r { Poll::Pending => this.state.poll_check(cx)?, _ => this.state.reset(), } r } fn poll_flush(self: Pin<&mut Self>, cx: &mut Context) -> Poll> { let this = self.project(); let r = this.writer.poll_flush(cx); match r { Poll::Pending => this.state.poll_check(cx)?, _ => this.state.reset(), } r } fn poll_shutdown(self: Pin<&mut Self>, cx: &mut Context) -> Poll> { let this = self.project(); let r = this.writer.poll_shutdown(cx); match r { Poll::Pending => this.state.poll_check(cx)?, _ => this.state.reset(), } r } fn poll_write_vectored( self: Pin<&mut Self>, cx: &mut Context<'_>, bufs: &[io::IoSlice<'_>], ) -> Poll> { let this = self.project(); let r = this.writer.poll_write_vectored(cx, bufs); match r { Poll::Pending => this.state.poll_check(cx)?, _ => this.state.reset(), } r } fn is_write_vectored(&self) -> bool { self.writer.is_write_vectored() } } impl AsyncRead for TimeoutWriter where W: AsyncRead, { fn poll_read( self: Pin<&mut Self>, cx: &mut Context<'_>, buf: &mut ReadBuf<'_>, ) -> Poll> { self.project().writer.poll_read(cx, buf) } } impl AsyncSeek for TimeoutWriter where W: AsyncSeek, { fn start_seek(self: Pin<&mut Self>, position: SeekFrom) -> io::Result<()> { self.project().writer.start_seek(position) } fn poll_complete(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll> { self.project().writer.poll_complete(cx) } } pin_project! { /// A stream which applies read and write timeouts to an inner stream. #[derive(Debug)] pub struct TimeoutStream { #[pin] stream: TimeoutReader> } } impl TimeoutStream where S: AsyncRead + AsyncWrite, { /// Returns a new `TimeoutStream` wrapping the specified stream. /// /// There is initially no read or write timeout. pub fn new(stream: S) -> TimeoutStream { let writer = TimeoutWriter::new(stream); let stream = TimeoutReader::new(writer); TimeoutStream { stream } } /// Returns the current read timeout. pub fn read_timeout(&self) -> Option { self.stream.timeout() } /// Sets the read timeout. /// /// This can only be used before the stream is pinned; use /// [`set_read_timeout_pinned`](Self::set_read_timeout_pinned) otherwise. pub fn set_read_timeout(&mut self, timeout: Option) { self.stream.set_timeout(timeout) } /// Sets the read timeout. /// /// This will reset any pending read timeout. Use [`set_read_timeout`](Self::set_read_timeout) instead if the stream /// has not yet been pinned. pub fn set_read_timeout_pinned(self: Pin<&mut Self>, timeout: Option) { self.project().stream.set_timeout_pinned(timeout) } /// Returns the current write timeout. pub fn write_timeout(&self) -> Option { self.stream.get_ref().timeout() } /// Sets the write timeout. /// /// This can only be used before the stream is pinned; use /// [`set_write_timeout_pinned`](Self::set_write_timeout_pinned) otherwise. pub fn set_write_timeout(&mut self, timeout: Option) { self.stream.get_mut().set_timeout(timeout) } /// Sets the write timeout. /// /// This will reset any pending write timeout. Use [`set_write_timeout`](Self::set_write_timeout) instead if the /// stream has not yet been pinned. pub fn set_write_timeout_pinned(self: Pin<&mut Self>, timeout: Option) { self.project() .stream .get_pin_mut() .set_timeout_pinned(timeout) } /// Returns a shared reference to the inner stream. pub fn get_ref(&self) -> &S { self.stream.get_ref().get_ref() } /// Returns a mutable reference to the inner stream. pub fn get_mut(&mut self) -> &mut S { self.stream.get_mut().get_mut() } /// Returns a pinned mutable reference to the inner stream. pub fn get_pin_mut(self: Pin<&mut Self>) -> Pin<&mut S> { self.project().stream.get_pin_mut().get_pin_mut() } /// Consumes the stream, returning the inner stream. pub fn into_inner(self) -> S { self.stream.into_inner().into_inner() } } impl AsyncRead for TimeoutStream where S: AsyncRead + AsyncWrite, { fn poll_read( self: Pin<&mut Self>, cx: &mut Context<'_>, buf: &mut ReadBuf<'_>, ) -> Poll> { self.project().stream.poll_read(cx, buf) } } impl AsyncWrite for TimeoutStream where S: AsyncRead + AsyncWrite, { fn poll_write( self: Pin<&mut Self>, cx: &mut Context, buf: &[u8], ) -> Poll> { self.project().stream.poll_write(cx, buf) } fn poll_flush(self: Pin<&mut Self>, cx: &mut Context) -> Poll> { self.project().stream.poll_flush(cx) } fn poll_shutdown(self: Pin<&mut Self>, cx: &mut Context) -> Poll> { self.project().stream.poll_shutdown(cx) } fn poll_write_vectored( self: Pin<&mut Self>, cx: &mut Context<'_>, bufs: &[io::IoSlice<'_>], ) -> Poll> { self.project().stream.poll_write_vectored(cx, bufs) } fn is_write_vectored(&self) -> bool { self.stream.is_write_vectored() } } #[cfg(test)] mod test { use super::*; use std::io::Write; use std::net::TcpListener; use std::thread; use tokio::io::{AsyncReadExt, AsyncWriteExt}; use tokio::net::TcpStream; use tokio::pin; pin_project! { struct DelayStream { #[pin] sleep: Sleep, } } impl DelayStream { fn new(until: Instant) -> Self { DelayStream { sleep: sleep_until(until), } } } impl AsyncRead for DelayStream { fn poll_read( self: Pin<&mut Self>, cx: &mut Context, _buf: &mut ReadBuf, ) -> Poll> { match self.project().sleep.poll(cx) { Poll::Ready(()) => Poll::Ready(Ok(())), Poll::Pending => Poll::Pending, } } } impl AsyncWrite for DelayStream { fn poll_write( self: Pin<&mut Self>, cx: &mut Context, buf: &[u8], ) -> Poll> { match self.project().sleep.poll(cx) { Poll::Ready(()) => Poll::Ready(Ok(buf.len())), Poll::Pending => Poll::Pending, } } fn poll_flush(self: Pin<&mut Self>, _cx: &mut Context) -> Poll> { Poll::Ready(Ok(())) } fn poll_shutdown(self: Pin<&mut Self>, _cx: &mut Context) -> Poll> { Poll::Ready(Ok(())) } } #[tokio::test] async fn read_timeout() { let reader = DelayStream::new(Instant::now() + Duration::from_millis(500)); let mut reader = TimeoutReader::new(reader); reader.set_timeout(Some(Duration::from_millis(100))); pin!(reader); let r = reader.read(&mut [0]).await; assert_eq!(r.err().unwrap().kind(), io::ErrorKind::TimedOut); } #[tokio::test] async fn read_ok() { let reader = DelayStream::new(Instant::now() + Duration::from_millis(100)); let mut reader = TimeoutReader::new(reader); reader.set_timeout(Some(Duration::from_millis(500))); pin!(reader); reader.read(&mut [0]).await.unwrap(); } #[tokio::test] async fn write_timeout() { let writer = DelayStream::new(Instant::now() + Duration::from_millis(500)); let mut writer = TimeoutWriter::new(writer); writer.set_timeout(Some(Duration::from_millis(100))); pin!(writer); let r = writer.write(&[0]).await; assert_eq!(r.err().unwrap().kind(), io::ErrorKind::TimedOut); } #[tokio::test] async fn write_ok() { let writer = DelayStream::new(Instant::now() + Duration::from_millis(100)); let mut writer = TimeoutWriter::new(writer); writer.set_timeout(Some(Duration::from_millis(500))); pin!(writer); writer.write(&[0]).await.unwrap(); } #[tokio::test] async fn tcp_read() { let listener = TcpListener::bind("127.0.0.1:0").unwrap(); let addr = listener.local_addr().unwrap(); thread::spawn(move || { let mut socket = listener.accept().unwrap().0; thread::sleep(Duration::from_millis(10)); socket.write_all(b"f").unwrap(); thread::sleep(Duration::from_millis(500)); let _ = socket.write_all(b"f"); // this may hit an eof }); let s = TcpStream::connect(&addr).await.unwrap(); let mut s = TimeoutStream::new(s); s.set_read_timeout(Some(Duration::from_millis(100))); pin!(s); s.read(&mut [0]).await.unwrap(); let r = s.read(&mut [0]).await; match r { Ok(_) => panic!("unexpected success"), Err(ref e) if e.kind() == io::ErrorKind::TimedOut => (), Err(e) => panic!("{:?}", e), } } }