LemmyNet/pict-rs
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Wrap BytesFreezer in span

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This commit is contained in:
Aode (lion) 2021-09-25 16:38:44 -05:00
parent d67478843b
commit f390c62cbf
1 changed files with 12 additions and 6 deletions
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18
src/stream.rs
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@ -33,7 +33,7 @@ pub(crate) struct ProcessRead<I> {
handle: JoinHandle<()>,
}
struct BytesFreezer<S>(S);
struct BytesFreezer<S>(S, Span);
impl Process {
pub(crate) fn run(command: &str, args: &[&str]) -> std::io::Result<Self> {
@ -147,7 +147,10 @@ impl Process {
pub(crate) fn bytes_stream(
input: impl AsyncRead + Unpin,
) -> impl Stream<Item = Result<Bytes, Error>> + Unpin {
BytesFreezer(FramedRead::new(input, BytesCodec::new()))
BytesFreezer(
FramedRead::new(input, BytesCodec::new()),
tracing::info_span!("Serving bytes from AsyncRead"),
)
}
impl<I> AsyncRead for ProcessRead<I>
@ -202,10 +205,13 @@ where
type Item = Result<Bytes, Error>;
fn poll_next(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Option<Self::Item>> {
Pin::new(&mut self.0)
.poll_next(cx)
.map(|opt| opt.map(|res| res.map(|bytes_mut| bytes_mut.freeze())))
.map_err(Error::from)
let span = self.1.clone();
span.in_scope(|| {
Pin::new(&mut self.0)
.poll_next(cx)
.map(|opt| opt.map(|res| res.map(|bytes_mut| bytes_mut.freeze())))
.map_err(Error::from)
})
}
}