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cleanup h1 parse
This commit is contained in:
Nikolay Kim
parent
71c37bde5a
commit
c3d5e4301a
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@ -54,7 +54,7 @@ Each result is best of five runs. All measurements are req/sec.
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Name | 1 thread | 1 pipeline | 3 thread | 3 pipeline | 8 thread | 8 pipeline
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---- | -------- | ---------- | -------- | ---------- | -------- | ----------
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Actix | 87.200 | 813.200 | 122.100 | 1.877.000 | 107.400 | 2.390.000
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Actix | 89.100 | 815.200 | 122.100 | 1.877.000 | 107.400 | 2.350.000
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Gotham | 61.000 | 178.000 | | | |
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Iron | | | | | 94.500 | 78.000
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Rocket | | | | | 95.500 | failed
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@ -65,7 +65,7 @@ Some notes on results. Iron and Rocket got tested with 8 threads,
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which showed best results. Gothan and tokio-minihttp seem does not support
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multithreading, or at least i couldn't figured out. I manually enabled pipelining
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for *Shio* and Gotham*. While shio seems support multithreading, but it showed
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absolutly same results for any how number of threads (maybe macos?)
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absolutly same results for any how number of threads (maybe macos problem?)
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Rocket completely failed in pipelined tests.
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## Examples
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164
src/h1.rs
164
src/h1.rs
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@ -215,10 +215,10 @@ impl<T, H> Http1<T, H>
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// read incoming data
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while !self.flags.contains(Flags::ERROR) && !self.flags.contains(Flags::H2) &&
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self.tasks.len() < MAX_PIPELINED_MESSAGES {
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match self.reader.parse(self.stream.get_mut(),
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&mut self.read_buf, &self.settings)
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{
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self.tasks.len() < MAX_PIPELINED_MESSAGES
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{
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match self.reader.parse(self.stream.get_mut(),
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&mut self.read_buf, &self.settings) {
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Ok(Async::Ready(Item::Http1(mut req))) => {
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not_ready = false;
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@ -405,77 +405,58 @@ impl Reader {
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settings: &WorkerSettings<H>) -> Poll<Item, ReaderError>
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where T: AsyncRead
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{
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loop {
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match self.decode(buf)? {
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Decoding::Paused => return Ok(Async::NotReady),
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Decoding::Ready => {
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self.payload = None;
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break
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},
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Decoding::NotReady => {
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match self.read_from_io(io, buf) {
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Ok(Async::Ready(0)) => {
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if let Some(ref mut payload) = self.payload {
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payload.tx.set_error(PayloadError::Incomplete);
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}
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// http channel should not deal with payload errors
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return Err(ReaderError::Payload)
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}
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Ok(Async::Ready(_)) => {
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continue
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}
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Ok(Async::NotReady) => break,
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Err(err) => {
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if let Some(ref mut payload) = self.payload {
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payload.tx.set_error(err.into());
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}
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// http channel should not deal with payload errors
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return Err(ReaderError::Payload)
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}
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// read payload
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if self.payload.is_some() {
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match self.read_from_io(io, buf) {
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Ok(Async::Ready(0)) => {
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if let Some(ref mut payload) = self.payload {
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payload.tx.set_error(PayloadError::Incomplete);
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}
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// http channel should not deal with payload errors
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return Err(ReaderError::Payload)
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},
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Err(err) => {
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if let Some(ref mut payload) = self.payload {
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payload.tx.set_error(err.into());
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}
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// http channel should not deal with payload errors
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return Err(ReaderError::Payload)
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}
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_ => (),
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}
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match self.decode(buf)? {
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Decoding::Ready => self.payload = None,
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Decoding::Paused | Decoding::NotReady => return Ok(Async::NotReady),
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}
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}
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// if buf is empty parse_message will always return NotReady, let's avoid that
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let read = if buf.is_empty() {
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match self.read_from_io(io, buf) {
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Ok(Async::Ready(0)) => {
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debug!("Ignored premature client disconnection");
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return Err(ReaderError::Disconnect);
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},
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Ok(Async::Ready(_)) => (),
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Ok(Async::NotReady) =>
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return Ok(Async::NotReady),
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Err(err) =>
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return Err(ReaderError::Error(err.into()))
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}
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false
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} else {
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true
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};
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loop {
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match Reader::parse_message(buf, settings).map_err(ReaderError::Error)? {
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Message::Http1(msg, decoder) => {
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// process payload
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if let Some(payload) = decoder {
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self.payload = Some(payload);
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loop {
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match self.decode(buf)? {
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Decoding::Paused =>
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break,
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Decoding::Ready => {
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self.payload = None;
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break
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},
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Decoding::NotReady => {
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match self.read_from_io(io, buf) {
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Ok(Async::Ready(0)) => {
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trace!("parse eof");
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if let Some(ref mut payload) = self.payload {
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payload.tx.set_error(
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PayloadError::Incomplete);
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}
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// http channel should deal with payload errors
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return Err(ReaderError::Payload)
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}
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Ok(Async::Ready(_)) => {
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continue
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}
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Ok(Async::NotReady) => break,
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Err(err) => {
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if let Some(ref mut payload) = self.payload {
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payload.tx.set_error(err.into());
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}
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// http channel should deal with payload errors
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return Err(ReaderError::Payload)
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}
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}
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}
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}
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match self.decode(buf)? {
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Decoding::Paused | Decoding::NotReady => (),
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Decoding::Ready => self.payload = None,
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}
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}
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self.h1 = true;
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@ -489,42 +470,49 @@ impl Reader {
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},
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Message::NotReady => {
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if buf.capacity() >= MAX_BUFFER_SIZE {
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debug!("MAX_BUFFER_SIZE reached, closing");
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error!("MAX_BUFFER_SIZE unprocessed data reached, closing");
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return Err(ReaderError::Error(ParseError::TooLarge));
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}
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if read {
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match self.read_from_io(io, buf) {
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Ok(Async::Ready(0)) => {
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debug!("Ignored premature client disconnection");
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return Err(ReaderError::Disconnect);
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},
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Ok(Async::Ready(_)) => (),
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Ok(Async::NotReady) =>
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return Ok(Async::NotReady),
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Err(err) =>
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return Err(ReaderError::Error(err.into()))
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}
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} else {
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return Ok(Async::NotReady)
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}
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},
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}
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match self.read_from_io(io, buf) {
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Ok(Async::Ready(0)) => {
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debug!("Ignored premature client disconnection");
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return Err(ReaderError::Disconnect);
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},
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Ok(Async::Ready(_)) => (),
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Ok(Async::NotReady) =>
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return Ok(Async::NotReady),
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Err(err) =>
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return Err(ReaderError::Error(err.into()))
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}
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}
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}
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fn read_from_io<T: AsyncRead>(&mut self, io: &mut T, buf: &mut BytesMut)
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-> Poll<usize, io::Error> {
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if buf.remaining_mut() < LW_BUFFER_SIZE {
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buf.reserve(HW_BUFFER_SIZE);
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}
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-> Poll<usize, io::Error>
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{
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unsafe {
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let n = match io.read(buf.bytes_mut()) {
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Ok(n) => n,
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if buf.remaining_mut() < LW_BUFFER_SIZE {
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buf.reserve(HW_BUFFER_SIZE);
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}
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match io.read(buf.bytes_mut()) {
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Ok(n) => {
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buf.advance_mut(n);
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Ok(Async::Ready(n))
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},
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Err(e) => {
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if e.kind() == io::ErrorKind::WouldBlock {
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return Ok(Async::NotReady);
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Ok(Async::NotReady)
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} else {
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Err(e)
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}
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return Err(e)
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}
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};
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buf.advance_mut(n);
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Ok(Async::Ready(n))
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}
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}
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}
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