| use crate::Stream; |
| use pin_project_lite::pin_project; |
| use std::io; |
| use std::pin::Pin; |
| use std::task::{Context, Poll}; |
| use tokio::io::{AsyncBufRead, Split}; |
| |
| pin_project! { |
| /// A wrapper around [`tokio::io::Split`] that implements [`Stream`]. |
| /// |
| /// [`tokio::io::Split`]: struct@tokio::io::Split |
| /// [`Stream`]: trait@crate::Stream |
| #[derive(Debug)] |
| #[cfg_attr(docsrs, doc(cfg(feature = "io-util")))] |
| pub struct SplitStream<R> { |
| #[pin] |
| inner: Split<R>, |
| } |
| } |
| |
| impl<R> SplitStream<R> { |
| /// Create a new `SplitStream`. |
| pub fn new(split: Split<R>) -> Self { |
| Self { inner: split } |
| } |
| |
| /// Get back the inner `Split`. |
| pub fn into_inner(self) -> Split<R> { |
| self.inner |
| } |
| |
| /// Obtain a pinned reference to the inner `Split<R>`. |
| #[allow(clippy::wrong_self_convention)] // https://github.com/rust-lang/rust-clippy/issues/4546 |
| pub fn as_pin_mut(self: Pin<&mut Self>) -> Pin<&mut Split<R>> { |
| self.project().inner |
| } |
| } |
| |
| impl<R: AsyncBufRead> Stream for SplitStream<R> { |
| type Item = io::Result<Vec<u8>>; |
| |
| fn poll_next(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Option<Self::Item>> { |
| self.project() |
| .inner |
| .poll_next_segment(cx) |
| .map(Result::transpose) |
| } |
| } |
| |
| impl<R> AsRef<Split<R>> for SplitStream<R> { |
| fn as_ref(&self) -> &Split<R> { |
| &self.inner |
| } |
| } |
| |
| impl<R> AsMut<Split<R>> for SplitStream<R> { |
| fn as_mut(&mut self) -> &mut Split<R> { |
| &mut self.inner |
| } |
| } |