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Remove extensions from head (#2487)

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Rob Ede 2021-12-08 22:58:50 +00:00 committed by GitHub
parent 07f2fe385b
commit 7dc034f0fb
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12 changed files with 96 additions and 65 deletions
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6
CHANGES.md
View file

@ -8,6 +8,7 @@
* `HttpResponse::map_into_{left,right}_body` and `HttpResponse::map_into_boxed_body`. [#2468]
* `ServiceResponse::map_into_{left,right}_body` and `HttpResponse::map_into_boxed_body`. [#2468]
* Connection data set through the `HttpServer::on_connect` callback is now accessible only from the new `HttpRequest::conn_data()` and `ServiceRequest::conn_data()` methods. [#2491]
* `HttpRequest::{req_data,req_data_mut}`. [#2487]
### Changed
* Rename `Accept::{mime_precedence => ranked}`. [#2480]
@ -16,18 +17,23 @@
* `HttpRequest::url_for` no longer constructs URLs with query or fragment components. [#2430]
* Remove `B` (body) type parameter on `App`. [#2493]
* Add `B` (body) type parameter on `Scope`. [#2492]
* Request-local data container is no longer part of a `RequestHead`. Instead it is a distinct part of a `Request`. [#2487]
### Fixed
* Accept wildcard `*` items in `AcceptLanguage`. [#2480]
* Re-exports `dev::{BodySize, MessageBody, SizedStream}`. They are exposed through the `body` module. [#2468]
* Typed headers containing lists that require one or more items now enforce this minimum. [#2482]
### Removed
* `ConnectionInfo::get`. [#2487]
[#2430]: https://github.com/actix/actix-web/pull/2430
[#2468]: https://github.com/actix/actix-web/pull/2468
[#2480]: https://github.com/actix/actix-web/pull/2480
[#2482]: https://github.com/actix/actix-web/pull/2482
[#2484]: https://github.com/actix/actix-web/pull/2484
[#2485]: https://github.com/actix/actix-web/pull/2485
[#2487]: https://github.com/actix/actix-web/pull/2487
[#2491]: https://github.com/actix/actix-web/pull/2491
[#2492]: https://github.com/actix/actix-web/pull/2492
[#2493]: https://github.com/actix/actix-web/pull/2493

3
actix-http/CHANGES.md
View file

@ -16,6 +16,8 @@
* `impl Display` for `header::Quality`. [#2486]
* Connection data set through the `on_connect_ext` callbacks is now accessible only from the new `Request::conn_data()` method. [#2491]
* `Request::take_conn_data()`. [#2491]
* `Request::take_req_data()`. [#2487]
* `impl Clone` for `RequestHead`. [#2487]
### Changed
* Rename `body::BoxBody::{from_body => new}`. [#2468]
@ -40,6 +42,7 @@
[#2468]: https://github.com/actix/actix-web/pull/2468
[#1920]: https://github.com/actix/actix-web/pull/1920
[#2486]: https://github.com/actix/actix-web/pull/2486
[#2487]: https://github.com/actix/actix-web/pull/2487
[#2488]: https://github.com/actix/actix-web/pull/2488
[#2491]: https://github.com/actix/actix-web/pull/2491

16
actix-http/examples/hello-world.rs
View file

@ -1,8 +1,9 @@
use std::{convert::Infallible, io};
use actix_http::{HttpService, Response, StatusCode};
use actix_http::{
header::HeaderValue, HttpMessage, HttpService, Request, Response, StatusCode,
};
use actix_server::Server;
use http::header::HeaderValue;
#[actix_rt::main]
async fn main() -> io::Result<()> {
@ -13,12 +14,21 @@ async fn main() -> io::Result<()> {
HttpService::build()
.client_timeout(1000)
.client_disconnect(1000)
.finish(|req| async move {
.on_connect_ext(|_, ext| {
ext.insert(42u32);
})
.finish(|req: Request| async move {
log::info!("{:?}", req);
let mut res = Response::build(StatusCode::OK);
res.insert_header(("x-head", HeaderValue::from_static("dummy value!")));
let forty_two = req.extensions().get::<u32>().unwrap().to_string();
res.insert_header((
"x-forty-two",
HeaderValue::from_str(&forty_two).unwrap(),
));
Ok::<_, Infallible>(res.body("Hello world!"))
})
.tcp()

2
actix-http/src/extensions.rs
View file

@ -19,7 +19,7 @@ impl Extensions {
#[inline]
pub fn new() -> Extensions {
Extensions {
map: AHashMap::default(),
map: AHashMap::new(),
}
}

17
actix-http/src/message.rs
View file

@ -44,13 +44,12 @@ pub trait Head: Default + 'static {
F: FnOnce(&MessagePool<Self>) -> R;
}
#[derive(Debug)]
#[derive(Debug, Clone)]
pub struct RequestHead {
pub method: Method,
pub uri: Uri,
pub version: Version,
pub headers: HeaderMap,
pub extensions: RefCell<Extensions>,
pub peer_addr: Option<net::SocketAddr>,
flags: Flags,
}
@ -62,7 +61,6 @@ impl Default for RequestHead {
uri: Uri::default(),
version: Version::HTTP_11,
headers: HeaderMap::with_capacity(16),
extensions: RefCell::new(Extensions::new()),
peer_addr: None,
flags: Flags::empty(),
}
@ -73,7 +71,6 @@ impl Head for RequestHead {
fn clear(&mut self) {
self.flags = Flags::empty();
self.headers.clear();
self.extensions.get_mut().clear();
}
fn with_pool<F, R>(f: F) -> R
@ -85,18 +82,6 @@ impl Head for RequestHead {
}
impl RequestHead {
/// Message extensions
#[inline]
pub fn extensions(&self) -> Ref<'_, Extensions> {
self.extensions.borrow()
}
/// Mutable reference to a the message's extensions
#[inline]
pub fn extensions_mut(&self) -> RefMut<'_, Extensions> {
self.extensions.borrow_mut()
}
/// Read the message headers.
pub fn headers(&self) -> &HeaderMap {
&self.headers

26
actix-http/src/request.rs
View file

@ -1,8 +1,8 @@
//! HTTP requests.
use std::{
cell::{Ref, RefMut},
fmt, net,
cell::{Ref, RefCell, RefMut},
fmt, mem, net,
rc::Rc,
str,
};
@ -22,6 +22,7 @@ pub struct Request<P = PayloadStream> {
pub(crate) payload: Payload<P>,
pub(crate) head: Message<RequestHead>,
pub(crate) conn_data: Option<Rc<Extensions>>,
pub(crate) req_data: RefCell<Extensions>,
}
impl<P> HttpMessage for Request<P> {
@ -33,19 +34,19 @@ impl<P> HttpMessage for Request<P> {
}
fn take_payload(&mut self) -> Payload<P> {
std::mem::replace(&mut self.payload, Payload::None)
mem::replace(&mut self.payload, Payload::None)
}
/// Request extensions
#[inline]
fn extensions(&self) -> Ref<'_, Extensions> {
self.head.extensions()
self.req_data.borrow()
}
/// Mutable reference to a the request's extensions
#[inline]
fn extensions_mut(&self) -> RefMut<'_, Extensions> {
self.head.extensions_mut()
self.req_data.borrow_mut()
}
}
@ -54,6 +55,7 @@ impl From<Message<RequestHead>> for Request<PayloadStream> {
Request {
head,
payload: Payload::None,
req_data: RefCell::new(Extensions::default()),
conn_data: None,
}
}
@ -65,6 +67,7 @@ impl Request<PayloadStream> {
Request {
head: Message::new(),
payload: Payload::None,
req_data: RefCell::new(Extensions::default()),
conn_data: None,
}
}
@ -76,6 +79,7 @@ impl<P> Request<P> {
Request {
payload,
head: Message::new(),
req_data: RefCell::new(Extensions::default()),
conn_data: None,
}
}
@ -88,6 +92,7 @@ impl<P> Request<P> {
Request {
payload,
head: self.head,
req_data: self.req_data,
conn_data: self.conn_data,
},
pl,
@ -101,7 +106,7 @@ impl<P> Request<P> {
/// Get request's payload
pub fn take_payload(&mut self) -> Payload<P> {
std::mem::replace(&mut self.payload, Payload::None)
mem::replace(&mut self.payload, Payload::None)
}
/// Split request into request head and payload
@ -124,7 +129,7 @@ impl<P> Request<P> {
/// Mutable reference to the message's headers.
pub fn headers_mut(&mut self) -> &mut HeaderMap {
&mut self.head_mut().headers
&mut self.head.headers
}
/// Request's uri.
@ -136,7 +141,7 @@ impl<P> Request<P> {
/// Mutable reference to the request's uri.
#[inline]
pub fn uri_mut(&mut self) -> &mut Uri {
&mut self.head_mut().uri
&mut self.head.uri
}
/// Read the Request method.
@ -198,6 +203,11 @@ impl<P> Request<P> {
pub fn take_conn_data(&mut self) -> Option<Rc<Extensions>> {
self.conn_data.take()
}
/// Returns the request data container, leaving an empty one in it's place.
pub fn take_req_data(&mut self) -> Extensions {
mem::take(&mut self.req_data.get_mut())
}
}
impl<P> fmt::Debug for Request<P> {

3
src/app_service.rs
View file

@ -198,6 +198,7 @@ where
actix_service::forward_ready!(service);
fn call(&self, mut req: Request) -> Self::Future {
let req_data = Rc::new(RefCell::new(req.take_req_data()));
let conn_data = req.take_conn_data();
let (head, payload) = req.into_parts();
@ -207,6 +208,7 @@ where
inner.path.reset();
inner.head = head;
inner.conn_data = conn_data;
inner.req_data = req_data;
req
} else {
HttpRequest::new(
@ -215,6 +217,7 @@ where
self.app_state.clone(),
self.app_data.clone(),
conn_data,
req_data,
)
};
self.service.call(ServiceRequest::new(req, payload))

12
src/info.rs
View file

@ -1,4 +1,4 @@
use std::{cell::Ref, convert::Infallible, net::SocketAddr};
use std::{convert::Infallible, net::SocketAddr};
use actix_utils::future::{err, ok, Ready};
use derive_more::{Display, Error};
@ -72,15 +72,7 @@ pub struct ConnectionInfo {
}
impl ConnectionInfo {
/// Create *ConnectionInfo* instance for a request.
pub fn get<'a>(req: &'a RequestHead, cfg: &AppConfig) -> Ref<'a, Self> {
if !req.extensions().contains::<ConnectionInfo>() {
req.extensions_mut().insert(ConnectionInfo::new(req, cfg));
}
Ref::map(req.extensions(), |e| e.get().unwrap())
}
fn new(req: &RequestHead, cfg: &AppConfig) -> ConnectionInfo {
pub(crate) fn new(req: &RequestHead, cfg: &AppConfig) -> ConnectionInfo {
let mut host = None;
let mut scheme = None;
let mut realip_remote_addr = None;

38
src/request.rs
View file

@ -38,6 +38,7 @@ pub(crate) struct HttpRequestInner {
pub(crate) path: Path<Url>,
pub(crate) app_data: SmallVec<[Rc<Extensions>; 4]>,
pub(crate) conn_data: Option<Rc<Extensions>>,
pub(crate) req_data: Rc<RefCell<Extensions>>,
app_state: Rc<AppInitServiceState>,
}
@ -49,6 +50,7 @@ impl HttpRequest {
app_state: Rc<AppInitServiceState>,
app_data: Rc<Extensions>,
conn_data: Option<Rc<Extensions>>,
req_data: Rc<RefCell<Extensions>>,
) -> HttpRequest {
let mut data = SmallVec::<[Rc<Extensions>; 4]>::new();
data.push(app_data);
@ -60,6 +62,7 @@ impl HttpRequest {
app_state,
app_data: data,
conn_data,
req_data,
}),
}
}
@ -156,16 +159,12 @@ impl HttpRequest {
self.resource_map().match_name(self.path())
}
/// Request extensions
#[inline]
pub fn extensions(&self) -> Ref<'_, Extensions> {
self.head().extensions()
pub fn req_data(&self) -> Ref<'_, Extensions> {
self.inner.req_data.borrow()
}
/// Mutable reference to a the request's extensions
#[inline]
pub fn extensions_mut(&self) -> RefMut<'_, Extensions> {
self.head().extensions_mut()
pub fn req_data_mut(&self) -> RefMut<'_, Extensions> {
self.inner.req_data.borrow_mut()
}
/// Returns a reference a piece of connection data set in an [on-connect] callback.
@ -248,7 +247,12 @@ impl HttpRequest {
/// borrowed.
#[inline]
pub fn connection_info(&self) -> Ref<'_, ConnectionInfo> {
ConnectionInfo::get(self.head(), self.app_config())
if !self.extensions().contains::<ConnectionInfo>() {
let info = ConnectionInfo::new(self.head(), &*self.app_config());
self.extensions_mut().insert(info);
}
Ref::map(self.extensions(), |e| e.get().unwrap())
}
/// App config
@ -321,21 +325,18 @@ impl HttpMessage for HttpRequest {
type Stream = ();
#[inline]
/// Returns Request's headers.
fn headers(&self) -> &HeaderMap {
&self.head().headers
}
/// Request extensions
#[inline]
fn extensions(&self) -> Ref<'_, Extensions> {
self.inner.head.extensions()
self.req_data()
}
/// Mutable reference to a the request's extensions
#[inline]
fn extensions_mut(&self) -> RefMut<'_, Extensions> {
self.inner.head.extensions_mut()
self.req_data_mut()
}
#[inline]
@ -348,14 +349,15 @@ impl Drop for HttpRequest {
fn drop(&mut self) {
// if possible, contribute to current worker's HttpRequest allocation pool
// This relies on no Weak<HttpRequestInner> exists anywhere.(There is none)
// This relies on no Weak<HttpRequestInner> exists anywhere. (There is none.)
if let Some(inner) = Rc::get_mut(&mut self.inner) {
if inner.app_state.pool().is_available() {
// clear additional app_data and keep the root one for reuse.
inner.app_data.truncate(1);
// inner is borrowed mut here. get head's Extension mutably
// to reduce borrow check
inner.head.extensions.get_mut().clear();
// Inner is borrowed mut here and; get req data mutably to reduce borrow check. Also
// we know the req_data Rc will not have any cloned at this point to unwrap is okay.
Rc::get_mut(&mut inner.req_data).unwrap().get_mut().clear();
// a re-borrow of pool is necessary here.
let req = self.inner.clone();

7
src/request_data.rs
View file

@ -33,10 +33,9 @@ use crate::{dev::Payload, error::ErrorInternalServerError, Error, FromRequest, H
/// req: HttpRequest,
/// opt_flag: Option<web::ReqData<FlagFromMiddleware>>,
/// ) -> impl Responder {
/// // use an optional extractor if the middleware is
/// // not guaranteed to add this type of requests data
/// // use an option extractor if middleware is not guaranteed to add this type of req data
/// if let Some(flag) = opt_flag {
/// assert_eq!(&flag.into_inner(), req.extensions().get::<FlagFromMiddleware>().unwrap());
/// assert_eq!(&flag.into_inner(), req.req_data().get::<FlagFromMiddleware>().unwrap());
/// }
///
/// HttpResponse::Ok()
@ -68,7 +67,7 @@ impl<T: Clone + 'static> FromRequest for ReqData<T> {
type Future = Ready<Result<Self, Error>>;
fn from_request(req: &HttpRequest, _: &mut Payload) -> Self::Future {
if let Some(st) = req.extensions().get::<T>() {
if let Some(st) = req.req_data().get::<T>() {
ok(ReqData(st.clone()))
} else {
log::debug!(

2
src/service.rs
View file

@ -194,7 +194,7 @@ impl ServiceRequest {
/// Get *ConnectionInfo* for the current request.
#[inline]
pub fn connection_info(&self) -> Ref<'_, ConnectionInfo> {
ConnectionInfo::get(self.head(), &*self.app_config())
self.req.connection_info()
}
/// Get a reference to the Path parameters.

27
src/test.rs
View file

@ -581,7 +581,14 @@ impl TestRequest {
let app_state = AppInitServiceState::new(Rc::new(self.rmap), self.config.clone());
ServiceRequest::new(
HttpRequest::new(self.path, head, app_state, Rc::new(self.app_data), None),
HttpRequest::new(
self.path,
head,
app_state,
Rc::new(self.app_data),
None,
Default::default(),
),
payload,
)
}
@ -599,7 +606,14 @@ impl TestRequest {
let app_state = AppInitServiceState::new(Rc::new(self.rmap), self.config.clone());
HttpRequest::new(self.path, head, app_state, Rc::new(self.app_data), None)
HttpRequest::new(
self.path,
head,
app_state,
Rc::new(self.app_data),
None,
Default::default(),
)
}
/// Complete request creation and generate `HttpRequest` and `Payload` instances
@ -610,7 +624,14 @@ impl TestRequest {
let app_state = AppInitServiceState::new(Rc::new(self.rmap), self.config.clone());
let req = HttpRequest::new(self.path, head, app_state, Rc::new(self.app_data), None);
let req = HttpRequest::new(
self.path,
head,
app_state,
Rc::new(self.app_data),
None,
Default::default(),
);
(req, payload)
}