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fix http/2 error handling

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This commit is contained in:
Nikolay Kim 2018-08-07 20:48:25 -07:00
parent 57f991280c
commit 30769e3072
6 changed files with 116 additions and 58 deletions
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2
CHANGES.md
View file

@ -23,6 +23,8 @@
* Panic during access without routing being set #452
* Fixed http/2 error handling
### Deprecated
* `HttpServer::no_http2()` is deprecated, use `OpensslAcceptor::with_flags()` or

127
src/pipeline.rs
View file

@ -42,13 +42,6 @@ enum PipelineState<S, H> {
}
impl<S: 'static, H: PipelineHandler<S>> PipelineState<S, H> {
fn is_response(&self) -> bool {
match *self {
PipelineState::Response(_) => true,
_ => false,
}
}
fn poll(
&mut self, info: &mut PipelineInfo<S>, mws: &[Box<Middleware<S>>],
) -> Option<PipelineState<S, H>> {
@ -58,7 +51,8 @@ impl<S: 'static, H: PipelineHandler<S>> PipelineState<S, H> {
PipelineState::RunMiddlewares(ref mut state) => state.poll(info, mws),
PipelineState::Finishing(ref mut state) => state.poll(info, mws),
PipelineState::Completed(ref mut state) => state.poll(info),
PipelineState::Response(_) | PipelineState::None | PipelineState::Error => {
PipelineState::Response(ref mut state) => state.poll(info, mws),
PipelineState::None | PipelineState::Error => {
None
}
}
@ -130,22 +124,20 @@ impl<S: 'static, H: PipelineHandler<S>> HttpHandlerTask for Pipeline<S, H> {
let mut state = mem::replace(&mut self.1, PipelineState::None);
loop {
if state.is_response() {
if let PipelineState::Response(st) = state {
match st.poll_io(io, &mut self.0, &self.2) {
Ok(state) => {
self.1 = state;
if let Some(error) = self.0.error.take() {
return Err(error);
} else {
return Ok(Async::Ready(self.is_done()));
}
}
Err(state) => {
self.1 = state;
return Ok(Async::NotReady);
if let PipelineState::Response(st) = state {
match st.poll_io(io, &mut self.0, &self.2) {
Ok(state) => {
self.1 = state;
if let Some(error) = self.0.error.take() {
return Err(error);
} else {
return Ok(Async::Ready(self.is_done()));
}
}
Err(state) => {
self.1 = state;
return Ok(Async::NotReady);
}
}
}
match state {
@ -401,7 +393,7 @@ impl<S: 'static, H> RunMiddlewares<S, H> {
}
struct ProcessResponse<S, H> {
resp: HttpResponse,
resp: Option<HttpResponse>,
iostate: IOState,
running: RunningState,
drain: Option<oneshot::Sender<()>>,
@ -442,7 +434,7 @@ impl<S: 'static, H> ProcessResponse<S, H> {
#[inline]
fn init(resp: HttpResponse) -> PipelineState<S, H> {
PipelineState::Response(ProcessResponse {
resp,
resp: Some(resp),
iostate: IOState::Response,
running: RunningState::Running,
drain: None,
@ -451,6 +443,59 @@ impl<S: 'static, H> ProcessResponse<S, H> {
})
}
fn poll(
&mut self, info: &mut PipelineInfo<S>, mws: &[Box<Middleware<S>>],
) -> Option<PipelineState<S, H>> {
println!("POLL");
// connection is dead at this point
match mem::replace(&mut self.iostate, IOState::Done) {
IOState::Response =>
Some(FinishingMiddlewares::init(info, mws, self.resp.take().unwrap())),
IOState::Payload(_) =>
Some(FinishingMiddlewares::init(info, mws, self.resp.take().unwrap())),
IOState::Actor(mut ctx) => {
if info.disconnected.take().is_some() {
ctx.disconnected();
}
loop {
match ctx.poll() {
Ok(Async::Ready(Some(vec))) => {
if vec.is_empty() {
continue;
}
for frame in vec {
match frame {
Frame::Chunk(None) => {
info.context = Some(ctx);
return Some(FinishingMiddlewares::init(
info, mws, self.resp.take().unwrap(),
))
}
Frame::Chunk(Some(_)) => (),
Frame::Drain(fut) => {let _ = fut.send(());},
}
}
}
Ok(Async::Ready(None)) =>
return Some(FinishingMiddlewares::init(
info, mws, self.resp.take().unwrap(),
)),
Ok(Async::NotReady) => {
self.iostate = IOState::Actor(ctx);
return None;
}
Err(err) => {
info.context = Some(ctx);
info.error = Some(err);
return Some(FinishingMiddlewares::init(info, mws, self.resp.take().unwrap()));
}
}
}
}
IOState::Done => Some(FinishingMiddlewares::init(info, mws, self.resp.take().unwrap()))
}
}
fn poll_io(
mut self, io: &mut Writer, info: &mut PipelineInfo<S>,
mws: &[Box<Middleware<S>>],
@ -462,24 +507,24 @@ impl<S: 'static, H> ProcessResponse<S, H> {
let result = match mem::replace(&mut self.iostate, IOState::Done) {
IOState::Response => {
let encoding =
self.resp.content_encoding().unwrap_or(info.encoding);
self.resp.as_ref().unwrap().content_encoding().unwrap_or(info.encoding);
let result =
match io.start(&info.req, &mut self.resp, encoding) {
match io.start(&info.req, self.resp.as_mut().unwrap(), encoding) {
Ok(res) => res,
Err(err) => {
info.error = Some(err.into());
return Ok(FinishingMiddlewares::init(
info, mws, self.resp,
info, mws, self.resp.take().unwrap(),
));
}
};
if let Some(err) = self.resp.error() {
if self.resp.status().is_server_error() {
if let Some(err) = self.resp.as_ref().unwrap().error() {
if self.resp.as_ref().unwrap().status().is_server_error() {
error!(
"Error occured during request handling, status: {} {}",
self.resp.status(), err
self.resp.as_ref().unwrap().status(), err
);
} else {
warn!(
@ -493,7 +538,7 @@ impl<S: 'static, H> ProcessResponse<S, H> {
}
// always poll stream or actor for the first time
match self.resp.replace_body(Body::Empty) {
match self.resp.as_mut().unwrap().replace_body(Body::Empty) {
Body::Streaming(stream) => {
self.iostate = IOState::Payload(stream);
continue 'inner;
@ -512,7 +557,7 @@ impl<S: 'static, H> ProcessResponse<S, H> {
if let Err(err) = io.write_eof() {
info.error = Some(err.into());
return Ok(FinishingMiddlewares::init(
info, mws, self.resp,
info, mws, self.resp.take().unwrap(),
));
}
break;
@ -523,7 +568,7 @@ impl<S: 'static, H> ProcessResponse<S, H> {
Err(err) => {
info.error = Some(err.into());
return Ok(FinishingMiddlewares::init(
info, mws, self.resp,
info, mws, self.resp.take().unwrap(),
));
}
Ok(result) => result,
@ -536,7 +581,7 @@ impl<S: 'static, H> ProcessResponse<S, H> {
Err(err) => {
info.error = Some(err);
return Ok(FinishingMiddlewares::init(
info, mws, self.resp,
info, mws, self.resp.take().unwrap(),
));
}
},
@ -559,7 +604,7 @@ impl<S: 'static, H> ProcessResponse<S, H> {
info.error = Some(err.into());
return Ok(
FinishingMiddlewares::init(
info, mws, self.resp,
info, mws, self.resp.take().unwrap(),
),
);
}
@ -572,7 +617,7 @@ impl<S: 'static, H> ProcessResponse<S, H> {
info.error = Some(err.into());
return Ok(
FinishingMiddlewares::init(
info, mws, self.resp,
info, mws, self.resp.take().unwrap(),
),
);
}
@ -598,7 +643,7 @@ impl<S: 'static, H> ProcessResponse<S, H> {
info.context = Some(ctx);
info.error = Some(err);
return Ok(FinishingMiddlewares::init(
info, mws, self.resp,
info, mws, self.resp.take().unwrap(),
));
}
}
@ -638,7 +683,7 @@ impl<S: 'static, H> ProcessResponse<S, H> {
info.context = Some(ctx);
}
info.error = Some(err.into());
return Ok(FinishingMiddlewares::init(info, mws, self.resp));
return Ok(FinishingMiddlewares::init(info, mws, self.resp.take().unwrap()));
}
}
}
@ -652,11 +697,11 @@ impl<S: 'static, H> ProcessResponse<S, H> {
Ok(_) => (),
Err(err) => {
info.error = Some(err.into());
return Ok(FinishingMiddlewares::init(info, mws, self.resp));
return Ok(FinishingMiddlewares::init(info, mws, self.resp.take().unwrap()));
}
}
self.resp.set_response_size(io.written());
Ok(FinishingMiddlewares::init(info, mws, self.resp))
self.resp.as_mut().unwrap().set_response_size(io.written());
Ok(FinishingMiddlewares::init(info, mws, self.resp.take().unwrap()))
}
_ => Err(PipelineState::Response(self)),
}

22
src/server/h2.rs
View file

@ -102,13 +102,19 @@ where
loop {
let mut not_ready = true;
let disconnected = self.flags.contains(Flags::DISCONNECTED);
// check in-flight connections
for item in &mut self.tasks {
// read payload
item.poll_payload();
if !disconnected {
item.poll_payload();
}
if !item.flags.contains(EntryFlags::EOF) {
if disconnected {
item.flags.insert(EntryFlags::EOF);
} else {
let retry = item.payload.need_read() == PayloadStatus::Read;
loop {
match item.task.poll_io(&mut item.stream) {
@ -141,12 +147,14 @@ where
}
break;
}
} else if !item.flags.contains(EntryFlags::FINISHED) {
}
}
if item.flags.contains(EntryFlags::EOF) && !item.flags.contains(EntryFlags::FINISHED) {
match item.task.poll_completed() {
Ok(Async::NotReady) => (),
Ok(Async::Ready(_)) => {
not_ready = false;
item.flags.insert(EntryFlags::FINISHED);
item.flags.insert(EntryFlags::FINISHED | EntryFlags::WRITE_DONE);
}
Err(err) => {
item.flags.insert(
@ -161,6 +169,7 @@ where
if item.flags.contains(EntryFlags::FINISHED)
&& !item.flags.contains(EntryFlags::WRITE_DONE)
&& !disconnected
{
match item.stream.poll_completed(false) {
Ok(Async::NotReady) => (),
@ -168,7 +177,7 @@ where
not_ready = false;
item.flags.insert(EntryFlags::WRITE_DONE);
}
Err(_err) => {
Err(_) => {
item.flags.insert(EntryFlags::ERROR);
}
}
@ -177,7 +186,7 @@ where
// cleanup finished tasks
while !self.tasks.is_empty() {
if self.tasks[0].flags.contains(EntryFlags::EOF)
if self.tasks[0].flags.contains(EntryFlags::FINISHED)
&& self.tasks[0].flags.contains(EntryFlags::WRITE_DONE)
|| self.tasks[0].flags.contains(EntryFlags::ERROR)
{
@ -397,6 +406,7 @@ impl<H: HttpHandler + 'static> Entry<H> {
}
Ok(Async::NotReady) => break,
Err(err) => {
println!("POLL-PAYLOAD error: {:?}", err);
self.payload.set_error(PayloadError::Http2(err));
break;
}

7
src/server/h2writer.rs
View file

@ -167,7 +167,6 @@ impl<H: 'static> Writer for H2Writer<H> {
Ok(WriterState::Done)
} else {
self.flags.insert(Flags::EOF);
self.written = bytes.len() as u64;
self.buffer.write(bytes.as_ref())?;
if let Some(ref mut stream) = self.stream {
self.flags.insert(Flags::RESERVED);
@ -183,8 +182,6 @@ impl<H: 'static> Writer for H2Writer<H> {
}
fn write(&mut self, payload: &Binary) -> io::Result<WriterState> {
self.written = payload.len() as u64;
if !self.flags.contains(Flags::DISCONNECTED) {
if self.flags.contains(Flags::STARTED) {
// TODO: add warning, write after EOF
@ -253,7 +250,9 @@ impl<H: 'static> Writer for H2Writer<H> {
return Ok(Async::Ready(()));
}
}
Err(e) => return Err(io::Error::new(io::ErrorKind::Other, e)),
Err(e) => {
return Err(io::Error::new(io::ErrorKind::Other, e))
}
}
}
}

6
src/test.rs
View file

@ -15,8 +15,10 @@ use tokio::runtime::current_thread::Runtime;
#[cfg(feature = "alpn")]
use openssl::ssl::SslAcceptorBuilder;
#[cfg(all(feature = "rust-tls"))]
#[cfg(feature = "rust-tls")]
use rustls::ServerConfig;
#[cfg(feature = "rust-tls")]
use server::RustlsAcceptor;
use application::{App, HttpApplication};
use body::Binary;
@ -342,7 +344,7 @@ impl<S: 'static> TestServerBuilder<S> {
let ssl = self.rust_ssl.take();
if let Some(ssl) = ssl {
let tcp = net::TcpListener::bind(addr).unwrap();
srv = srv.listen_rustls(tcp, ssl).unwrap();
srv = srv.listen_with(tcp, RustlsAcceptor::new(ssl)).unwrap();
}
}
if !has_ssl {

10
tests/test_ws.rs
View file

@ -210,7 +210,7 @@ impl Ws2 {
ctx.drain()
.and_then(|_, act, ctx| {
act.count += 1;
if act.count != 10_000 {
if act.count != 1_000 {
act.send(ctx);
}
actix::fut::ok(())
@ -248,7 +248,7 @@ fn test_server_send_text() {
});
let (mut reader, _writer) = srv.ws().unwrap();
for _ in 0..10_000 {
for _ in 0..1_000 {
let (item, r) = srv.execute(reader.into_future()).unwrap();
reader = r;
assert_eq!(item, data);
@ -272,7 +272,7 @@ fn test_server_send_bin() {
});
let (mut reader, _writer) = srv.ws().unwrap();
for _ in 0..10_000 {
for _ in 0..1_000 {
let (item, r) = srv.execute(reader.into_future()).unwrap();
reader = r;
assert_eq!(item, data);
@ -308,7 +308,7 @@ fn test_ws_server_ssl() {
let (mut reader, _writer) = srv.ws().unwrap();
let data = Some(ws::Message::Text("0".repeat(65_536)));
for _ in 0..10_000 {
for _ in 0..1_000 {
let (item, r) = srv.execute(reader.into_future()).unwrap();
reader = r;
assert_eq!(item, data);
@ -347,7 +347,7 @@ fn test_ws_server_rust_tls() {
let (mut reader, _writer) = srv.ws().unwrap();
let data = Some(ws::Message::Text("0".repeat(65_536)));
for _ in 0..10_000 {
for _ in 0..1_000 {
let (item, r) = srv.execute(reader.into_future()).unwrap();
reader = r;
assert_eq!(item, data);