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Allow to explicitly disable chunked encoding

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This commit is contained in:
Nikolay Kim 2018-01-13 16:17:33 -08:00
parent 305666067e
commit 93fdb596d4
6 changed files with 131 additions and 94 deletions
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2
CHANGES.md
View file

@ -6,6 +6,8 @@
* Do not enable chunked encoding for HTTP/1.0
* Allow to explicitly disable chunked encoding
## 0.3.0 (2018-01-12)

28
src/context.rs
View file

@ -1,9 +1,9 @@
use std;
use std::marker::PhantomData;
use std::collections::VecDeque;
use futures::{Async, Future, Poll};
use futures::sync::oneshot::Sender;
use futures::unsync::oneshot;
use smallvec::SmallVec;
use actix::{Actor, ActorState, ActorContext, AsyncContext,
Address, SyncAddress, Handler, Subscriber, ResponseType, SpawnHandle};
@ -18,7 +18,7 @@ use httprequest::HttpRequest;
pub trait ActorHttpContext: 'static {
fn disconnected(&mut self);
fn poll(&mut self) -> Poll<Option<Frame>, Error>;
fn poll(&mut self) -> Poll<Option<SmallVec<[Frame; 2]>>, Error>;
}
#[derive(Debug)]
@ -31,7 +31,7 @@ pub enum Frame {
pub struct HttpContext<A, S=()> where A: Actor<Context=HttpContext<A, S>>,
{
inner: ContextImpl<A>,
stream: VecDeque<Frame>,
stream: Option<SmallVec<[Frame; 2]>>,
request: HttpRequest<S>,
disconnected: bool,
}
@ -91,7 +91,7 @@ impl<A, S: 'static> HttpContext<A, S> where A: Actor<Context=Self> {
pub fn from_request(req: HttpRequest<S>) -> HttpContext<A, S> {
HttpContext {
inner: ContextImpl::new(None),
stream: VecDeque::new(),
stream: None,
request: req,
disconnected: false,
}
@ -121,7 +121,7 @@ impl<A, S> HttpContext<A, S> where A: Actor<Context=Self> {
#[inline]
pub fn write<B: Into<Binary>>(&mut self, data: B) {
if !self.disconnected {
self.stream.push_back(Frame::Chunk(Some(data.into())));
self.add_frame(Frame::Chunk(Some(data.into())));
} else {
warn!("Trying to write to disconnected response");
}
@ -130,14 +130,14 @@ impl<A, S> HttpContext<A, S> where A: Actor<Context=Self> {
/// Indicate end of streamimng payload. Also this method calls `Self::close`.
#[inline]
pub fn write_eof(&mut self) {
self.stream.push_back(Frame::Chunk(None));
self.add_frame(Frame::Chunk(None));
}
/// Returns drain future
pub fn drain(&mut self) -> Drain<A> {
let (tx, rx) = oneshot::channel();
self.inner.modify();
self.stream.push_back(Frame::Drain(tx));
self.add_frame(Frame::Drain(tx));
Drain::new(rx)
}
@ -146,6 +146,14 @@ impl<A, S> HttpContext<A, S> where A: Actor<Context=Self> {
pub fn connected(&self) -> bool {
!self.disconnected
}
#[inline]
fn add_frame(&mut self, frame: Frame) {
if self.stream.is_none() {
self.stream = Some(SmallVec::new());
}
self.stream.as_mut().map(|s| s.push(frame));
}
}
impl<A, S> HttpContext<A, S> where A: Actor<Context=Self> {
@ -176,7 +184,7 @@ impl<A, S> ActorHttpContext for HttpContext<A, S> where A: Actor<Context=Self>,
self.stop();
}
fn poll(&mut self) -> Poll<Option<Frame>, Error> {
fn poll(&mut self) -> Poll<Option<SmallVec<[Frame; 2]>>, Error> {
let ctx: &mut HttpContext<A, S> = unsafe {
std::mem::transmute(self as &mut HttpContext<A, S>)
};
@ -189,8 +197,8 @@ impl<A, S> ActorHttpContext for HttpContext<A, S> where A: Actor<Context=Self>,
}
// frames
if let Some(frame) = self.stream.pop_front() {
Ok(Async::Ready(Some(frame)))
if let Some(data) = self.stream.take() {
Ok(Async::Ready(Some(data)))
} else if self.inner.alive() {
Ok(Async::NotReady)
} else {

19
src/httpresponse.rs
View file

@ -158,7 +158,7 @@ impl HttpResponse {
/// is chunked encoding enabled
#[inline]
pub fn chunked(&self) -> bool {
pub fn chunked(&self) -> Option<bool> {
self.get_ref().chunked
}
@ -329,7 +329,16 @@ impl HttpResponseBuilder {
#[inline]
pub fn chunked(&mut self) -> &mut Self {
if let Some(parts) = parts(&mut self.response, &self.err) {
parts.chunked = true;
parts.chunked = Some(true);
}
self
}
/// Force disable chunked encoding
#[inline]
pub fn no_chunking(&mut self) -> &mut Self {
if let Some(parts) = parts(&mut self.response, &self.err) {
parts.chunked = Some(false);
}
self
}
@ -641,7 +650,7 @@ struct InnerHttpResponse {
status: StatusCode,
reason: Option<&'static str>,
body: Body,
chunked: bool,
chunked: Option<bool>,
encoding: ContentEncoding,
connection_type: Option<ConnectionType>,
response_size: u64,
@ -658,7 +667,7 @@ impl InnerHttpResponse {
status: status,
reason: None,
body: body,
chunked: false,
chunked: None,
encoding: ContentEncoding::Auto,
connection_type: None,
response_size: 0,
@ -709,7 +718,7 @@ impl Pool {
if v.len() < 128 {
inner.headers.clear();
inner.version = None;
inner.chunked = false;
inner.chunked = None;
inner.reason = None;
inner.encoding = ContentEncoding::Auto;
inner.connection_type = None;

63
src/pipeline.rs
View file

@ -439,8 +439,7 @@ impl<S: 'static, H> ProcessResponse<S, H> {
ProcessResponse{ resp: resp,
iostate: IOState::Response,
running: RunningState::Running,
drain: None,
_s: PhantomData, _h: PhantomData})
drain: None, _s: PhantomData, _h: PhantomData})
}
fn poll_io(mut self, io: &mut Writer, info: &mut PipelineInfo<S>)
@ -448,7 +447,7 @@ impl<S: 'static, H> ProcessResponse<S, H> {
{
if self.drain.is_none() && self.running != RunningState::Paused {
// if task is paused, write buffer is probably full
loop {
'outter: loop {
let result = match mem::replace(&mut self.iostate, IOState::Done) {
IOState::Response => {
let result = match io.start(info.req_mut().get_inner(), &mut self.resp) {
@ -504,35 +503,44 @@ impl<S: 'static, H> ProcessResponse<S, H> {
ctx.disconnected();
}
match ctx.poll() {
Ok(Async::Ready(Some(frame))) => {
match frame {
Frame::Chunk(None) => {
info.context = Some(ctx);
self.iostate = IOState::Done;
if let Err(err) = io.write_eof() {
info.error = Some(err.into());
return Ok(
FinishingMiddlewares::init(info, self.resp))
}
break
},
Frame::Chunk(Some(chunk)) => {
self.iostate = IOState::Actor(ctx);
match io.write(chunk.as_ref()) {
Err(err) => {
Ok(Async::Ready(Some(vec))) => {
if vec.is_empty() {
self.iostate = IOState::Actor(ctx);
break
}
let mut res = None;
for frame in vec {
match frame {
Frame::Chunk(None) => {
info.context = Some(ctx);
self.iostate = IOState::Done;
if let Err(err) = io.write_eof() {
info.error = Some(err.into());
return Ok(
FinishingMiddlewares::init(info, self.resp))
},
Ok(result) => result
}
},
Frame::Drain(fut) => {
self.drain = Some(fut);
self.iostate = IOState::Actor(ctx);
break
}
break 'outter
},
Frame::Chunk(Some(chunk)) => {
match io.write(chunk.as_ref()) {
Err(err) => {
info.error = Some(err.into());
return Ok(
FinishingMiddlewares::init(info, self.resp))
},
Ok(result) => res = Some(result),
}
},
Frame::Drain(fut) =>
self.drain = Some(fut),
}
}
self.iostate = IOState::Actor(ctx);
if self.drain.is_some() {
self.running.resume();
break 'outter
}
res.unwrap()
},
Ok(Async::Ready(None)) => {
self.iostate = IOState::Done;
@ -677,6 +685,7 @@ impl<S: 'static, H> FinishingMiddlewares<S, H> {
}
}
#[derive(Debug)]
struct Completed<S, H>(PhantomData<S>, PhantomData<H>);
impl<S, H> Completed<S, H> {

90
src/server/encoding.rs
View file

@ -378,9 +378,6 @@ impl PayloadEncoder {
let transfer = match body {
Body::Empty => {
if resp.chunked() {
error!("Chunked transfer is enabled but body is set to Empty");
}
resp.headers_mut().remove(CONTENT_LENGTH);
TransferEncoding::eof(buf)
},
@ -444,54 +441,59 @@ impl PayloadEncoder {
fn streaming_encoding(buf: SharedBytes, version: Version,
resp: &mut HttpResponse) -> TransferEncoding {
if resp.chunked() {
// Enable transfer encoding
resp.headers_mut().remove(CONTENT_LENGTH);
if version == Version::HTTP_2 {
resp.headers_mut().remove(TRANSFER_ENCODING);
TransferEncoding::eof(buf)
} else {
resp.headers_mut().insert(
TRANSFER_ENCODING, HeaderValue::from_static("chunked"));
TransferEncoding::chunked(buf)
}
} else {
// if Content-Length is specified, then use it as length hint
let (len, chunked) =
if let Some(len) = resp.headers().get(CONTENT_LENGTH) {
// Content-Length
if let Ok(s) = len.to_str() {
if let Ok(len) = s.parse::<u64>() {
(Some(len), false)
match resp.chunked() {
Some(true) => {
// Enable transfer encoding
resp.headers_mut().remove(CONTENT_LENGTH);
if version == Version::HTTP_2 {
resp.headers_mut().remove(TRANSFER_ENCODING);
TransferEncoding::eof(buf)
} else {
resp.headers_mut().insert(
TRANSFER_ENCODING, HeaderValue::from_static("chunked"));
TransferEncoding::chunked(buf)
}
},
Some(false) =>
TransferEncoding::eof(buf),
None => {
// if Content-Length is specified, then use it as length hint
let (len, chunked) =
if let Some(len) = resp.headers().get(CONTENT_LENGTH) {
// Content-Length
if let Ok(s) = len.to_str() {
if let Ok(len) = s.parse::<u64>() {
(Some(len), false)
} else {
error!("illegal Content-Length: {:?}", len);
(None, false)
}
} else {
error!("illegal Content-Length: {:?}", len);
(None, false)
}
} else {
error!("illegal Content-Length: {:?}", len);
(None, false)
(None, true)
};
if !chunked {
if let Some(len) = len {
TransferEncoding::length(len, buf)
} else {
TransferEncoding::eof(buf)
}
} else {
(None, true)
};
if !chunked {
if let Some(len) = len {
TransferEncoding::length(len, buf)
} else {
TransferEncoding::eof(buf)
}
} else {
// Enable transfer encoding
match version {
Version::HTTP_11 => {
resp.headers_mut().insert(
TRANSFER_ENCODING, HeaderValue::from_static("chunked"));
TransferEncoding::chunked(buf)
},
_ => {
resp.headers_mut().remove(TRANSFER_ENCODING);
TransferEncoding::eof(buf)
// Enable transfer encoding
match version {
Version::HTTP_11 => {
resp.headers_mut().insert(
TRANSFER_ENCODING, HeaderValue::from_static("chunked"));
TransferEncoding::chunked(buf)
},
_ => {
resp.headers_mut().remove(TRANSFER_ENCODING);
TransferEncoding::eof(buf)
}
}
}
}

23
src/ws/context.rs
View file

@ -1,8 +1,8 @@
use std::mem;
use std::collections::VecDeque;
use futures::{Async, Poll};
use futures::sync::oneshot::Sender;
use futures::unsync::oneshot;
use smallvec::SmallVec;
use actix::{Actor, ActorState, ActorContext, AsyncContext,
Address, SyncAddress, Handler, Subscriber, ResponseType, SpawnHandle};
@ -23,7 +23,7 @@ use ws::proto::{OpCode, CloseCode};
pub struct WebsocketContext<A, S=()> where A: Actor<Context=WebsocketContext<A, S>>,
{
inner: ContextImpl<A>,
stream: VecDeque<ContextFrame>,
stream: Option<SmallVec<[ContextFrame; 2]>>,
request: HttpRequest<S>,
disconnected: bool,
}
@ -88,7 +88,7 @@ impl<A, S: 'static> WebsocketContext<A, S> where A: Actor<Context=Self> {
pub fn from_request(req: HttpRequest<S>) -> WebsocketContext<A, S> {
WebsocketContext {
inner: ContextImpl::new(None),
stream: VecDeque::new(),
stream: None,
request: req,
disconnected: false,
}
@ -107,7 +107,7 @@ impl<A, S> WebsocketContext<A, S> where A: Actor<Context=Self> {
#[inline]
fn write<B: Into<Binary>>(&mut self, data: B) {
if !self.disconnected {
self.stream.push_back(ContextFrame::Chunk(Some(data.into())));
self.add_frame(ContextFrame::Chunk(Some(data.into())));
} else {
warn!("Trying to write to disconnected response");
}
@ -173,7 +173,7 @@ impl<A, S> WebsocketContext<A, S> where A: Actor<Context=Self> {
pub fn drain(&mut self) -> Drain<A> {
let (tx, rx) = oneshot::channel();
self.inner.modify();
self.stream.push_back(ContextFrame::Drain(tx));
self.add_frame(ContextFrame::Drain(tx));
Drain::new(rx)
}
@ -182,6 +182,13 @@ impl<A, S> WebsocketContext<A, S> where A: Actor<Context=Self> {
pub fn connected(&self) -> bool {
!self.disconnected
}
fn add_frame(&mut self, frame: ContextFrame) {
if self.stream.is_none() {
self.stream = Some(SmallVec::new());
}
self.stream.as_mut().map(|s| s.push(frame));
}
}
impl<A, S> WebsocketContext<A, S> where A: Actor<Context=Self> {
@ -212,7 +219,7 @@ impl<A, S> ActorHttpContext for WebsocketContext<A, S> where A: Actor<Context=Se
self.stop();
}
fn poll(&mut self) -> Poll<Option<ContextFrame>, Error> {
fn poll(&mut self) -> Poll<Option<SmallVec<[ContextFrame;2]>>, Error> {
let ctx: &mut WebsocketContext<A, S> = unsafe {
mem::transmute(self as &mut WebsocketContext<A, S>)
};
@ -225,8 +232,8 @@ impl<A, S> ActorHttpContext for WebsocketContext<A, S> where A: Actor<Context=Se
}
// frames
if let Some(frame) = self.stream.pop_front() {
Ok(Async::Ready(Some(frame)))
if let Some(data) = self.stream.take() {
Ok(Async::Ready(Some(data)))
} else if self.inner.alive() {
Ok(Async::NotReady)
} else {