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Reland "perf(http): optimize ReadableStreams backed by a resource" (#14346)

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Divy Srivastava 2022-04-22 16:19:08 +05:30 • committed by GitHub
parent 2724235ec7
commit 57f7e07c13
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14 changed files with 277 additions and 76 deletions
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7
ext/fetch/lib.rs
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@ -485,12 +485,15 @@ impl Resource for FetchResponseBodyResource {
"fetchResponseBody".into()
}
fn read(self: Rc<Self>, mut buf: ZeroCopyBuf) -> AsyncResult<usize> {
fn read_return(
self: Rc<Self>,
mut buf: ZeroCopyBuf,
) -> AsyncResult<(usize, ZeroCopyBuf)> {
Box::pin(async move {
let mut reader = RcRef::map(&self, |r| &r.reader).borrow_mut().await;
let cancel = RcRef::map(self, |r| &r.cancel);
let read = reader.read(&mut buf).try_or_cancel(cancel).await?;
Ok(read)
Ok((read, buf))
})
}