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Code Issues Releases Wiki Activity

body ergonomics v3 (#2468)

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This commit is contained in:
Rob Ede
2021-12-04 19:40:47 +00:00
committed by GitHub
parent a2d5c5a058
commit c7c02ef99d
84 changed files with 2134 additions and 1685 deletions
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59
actix-http/src/h1/dispatcher.rs
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@@ -1,6 +1,5 @@
use std::{
collections::VecDeque,
error::Error as StdError,
fmt,
future::Future,
io, mem, net,
@@ -19,7 +18,7 @@ use log::{error, trace};
use pin_project::pin_project;
use crate::{
body::{AnyBody, BodySize, MessageBody},
body::{BodySize, BoxBody, MessageBody},
config::ServiceConfig,
error::{DispatchError, ParseError, PayloadError},
service::HttpFlow,
@@ -51,13 +50,12 @@ bitflags! {
pub struct Dispatcher<T, S, B, X, U>
where
S: Service<Request>,
S::Error: Into<Response<AnyBody>>,
S::Error: Into<Response<BoxBody>>,
B: MessageBody,
B::Error: Into<Box<dyn StdError>>,
X: Service<Request, Response = Request>,
X::Error: Into<Response<AnyBody>>,
X::Error: Into<Response<BoxBody>>,
U: Service<(Request, Framed<T, Codec>), Response = ()>,
U::Error: fmt::Display,
@@ -73,13 +71,12 @@ where
enum DispatcherState<T, S, B, X, U>
where
S: Service<Request>,
S::Error: Into<Response<AnyBody>>,
S::Error: Into<Response<BoxBody>>,
B: MessageBody,
B::Error: Into<Box<dyn StdError>>,
X: Service<Request, Response = Request>,
X::Error: Into<Response<AnyBody>>,
X::Error: Into<Response<BoxBody>>,
U: Service<(Request, Framed<T, Codec>), Response = ()>,
U::Error: fmt::Display,
@@ -92,13 +89,12 @@ where
struct InnerDispatcher<T, S, B, X, U>
where
S: Service<Request>,
S::Error: Into<Response<AnyBody>>,
S::Error: Into<Response<BoxBody>>,
B: MessageBody,
B::Error: Into<Box<dyn StdError>>,
X: Service<Request, Response = Request>,
X::Error: Into<Response<AnyBody>>,
X::Error: Into<Response<BoxBody>>,
U: Service<(Request, Framed<T, Codec>), Response = ()>,
U::Error: fmt::Display,
@@ -137,13 +133,12 @@ where
X: Service<Request, Response = Request>,
B: MessageBody,
B::Error: Into<Box<dyn StdError>>,
{
None,
ExpectCall(#[pin] X::Future),
ServiceCall(#[pin] S::Future),
SendPayload(#[pin] B),
SendErrorPayload(#[pin] AnyBody),
SendErrorPayload(#[pin] BoxBody),
}
impl<S, B, X> State<S, B, X>
@@ -153,7 +148,6 @@ where
X: Service<Request, Response = Request>,
B: MessageBody,
B::Error: Into<Box<dyn StdError>>,
{
fn is_empty(&self) -> bool {
matches!(self, State::None)
@@ -171,14 +165,13 @@ where
T: AsyncRead + AsyncWrite + Unpin,
S: Service<Request>,
S::Error: Into<Response<AnyBody>>,
S::Error: Into<Response<BoxBody>>,
S::Response: Into<Response<B>>,
B: MessageBody,
B::Error: Into<Box<dyn StdError>>,
X: Service<Request, Response = Request>,
X::Error: Into<Response<AnyBody>>,
X::Error: Into<Response<BoxBody>>,
U: Service<(Request, Framed<T, Codec>), Response = ()>,
U::Error: fmt::Display,
@@ -232,14 +225,13 @@ where
T: AsyncRead + AsyncWrite + Unpin,
S: Service<Request>,
S::Error: Into<Response<AnyBody>>,
S::Error: Into<Response<BoxBody>>,
S::Response: Into<Response<B>>,
B: MessageBody,
B::Error: Into<Box<dyn StdError>>,
X: Service<Request, Response = Request>,
X::Error: Into<Response<AnyBody>>,
X::Error: Into<Response<BoxBody>>,
U: Service<(Request, Framed<T, Codec>), Response = ()>,
U::Error: fmt::Display,
@@ -335,7 +327,7 @@ where
fn send_error_response(
mut self: Pin<&mut Self>,
message: Response<()>,
body: AnyBody,
body: BoxBody,
) -> Result<(), DispatchError> {
let size = self.as_mut().send_response_inner(message, &body)?;
let state = match size {
@@ -380,7 +372,7 @@ where
// send_response would update InnerDispatcher state to SendPayload or
// None(If response body is empty).
// continue loop to poll it.
self.as_mut().send_error_response(res, AnyBody::empty())?;
self.as_mut().send_error_response(res, BoxBody::new(()))?;
}
// return with upgrade request and poll it exclusively.
@@ -400,7 +392,7 @@ where
// send service call error as response
Poll::Ready(Err(err)) => {
let res: Response<AnyBody> = err.into();
let res: Response<BoxBody> = err.into();
let (res, body) = res.replace_body(());
self.as_mut().send_error_response(res, body)?;
}
@@ -497,7 +489,7 @@ where
// send expect error as response
Poll::Ready(Err(err)) => {
let res: Response<AnyBody> = err.into();
let res: Response<BoxBody> = err.into();
let (res, body) = res.replace_body(());
self.as_mut().send_error_response(res, body)?;
}
@@ -546,7 +538,7 @@ where
// to notify the dispatcher a new state is set and the outer loop
// should be continue.
Poll::Ready(Err(err)) => {
let res: Response<AnyBody> = err.into();
let res: Response<BoxBody> = err.into();
let (res, body) = res.replace_body(());
return self.send_error_response(res, body);
}
@@ -566,7 +558,7 @@ where
Poll::Pending => Ok(()),
// see the comment on ExpectCall state branch's Ready(Err(err)).
Poll::Ready(Err(err)) => {
let res: Response<AnyBody> = err.into();
let res: Response<BoxBody> = err.into();
let (res, body) = res.replace_body(());
self.send_error_response(res, body)
}
@@ -772,7 +764,7 @@ where
trace!("Slow request timeout");
let _ = self.as_mut().send_error_response(
Response::with_body(StatusCode::REQUEST_TIMEOUT, ()),
AnyBody::empty(),
BoxBody::new(()),
);
this = self.project();
this.flags.insert(Flags::STARTED | Flags::SHUTDOWN);
@@ -909,14 +901,13 @@ where
T: AsyncRead + AsyncWrite + Unpin,
S: Service<Request>,
S::Error: Into<Response<AnyBody>>,
S::Error: Into<Response<BoxBody>>,
S::Response: Into<Response<B>>,
B: MessageBody,
B::Error: Into<Box<dyn StdError>>,
X: Service<Request, Response = Request>,
X::Error: Into<Response<AnyBody>>,
X::Error: Into<Response<BoxBody>>,
U: Service<(Request, Framed<T, Codec>), Response = ()>,
U::Error: fmt::Display,
@@ -1067,17 +1058,19 @@ mod tests {
}
}
fn ok_service() -> impl Service<Request, Response = Response<AnyBody>, Error = Error>
fn ok_service(
) -> impl Service<Request, Response = Response<impl MessageBody>, Error = Error>
{
fn_service(|_req: Request| ready(Ok::<_, Error>(Response::ok())))
}
fn echo_path_service(
) -> impl Service<Request, Response = Response<AnyBody>, Error = Error> {
) -> impl Service<Request, Response = Response<impl MessageBody>, Error = Error>
{
fn_service(|req: Request| {
let path = req.path().as_bytes();
ready(Ok::<_, Error>(
Response::ok().set_body(AnyBody::copy_from_slice(path)),
Response::ok().set_body(Bytes::copy_from_slice(path)),
))
})
}