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perf(http2): reduce empty EOS frames if end is already known

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This commit is contained in:
Sean McArthur
2018-04-18 16:35:53 -07:00
parent a4eb612bd5
commit 38eba1540f
3 changed files with 20 additions and 8 deletions
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19
src/proto/h2/mod.rs
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@@ -71,14 +71,25 @@ where
// - call self.body_tx.poll_capacity(), return if NotReady
match self.stream.poll_data() {
Ok(Async::Ready(Some(chunk))) => {
trace!("send body chunk: {}B", chunk.as_ref().len());
self.body_tx.send_data(SendBuf(Some(Cursor::new(chunk))), false)
.map_err(::Error::new_h2)?;
let is_eos = self.stream.is_end_stream();
trace!(
"send body chunk: {} bytes, eos={}",
chunk.as_ref().len(),
is_eos,
);
let buf = SendBuf(Some(Cursor::new(chunk)));
self.body_tx.send_data(buf, is_eos)
.map_err(::Error::new_body_write)?;
if is_eos {
return Ok(Async::Ready(()))
}
},
Ok(Async::Ready(None)) => {
trace!("send body eos");
self.body_tx.send_data(SendBuf(None), true)
.map_err(::Error::new_h2)?;
.map_err(::Error::new_body_write)?;
return Ok(Async::Ready(()));
},
Ok(Async::NotReady) => return Ok(Async::NotReady),