update changelog

CHANGES.md

@@ -8,7 +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]
-* `impl Clone` for `RequestHead`. [#2487]
+* `HttpRequest::{req_data,req_data_mut}`. [#2487]
 
 ### Changed
 * Rename `Accept::{mime_precedence => ranked}`. [#2480]
@@ -24,6 +24,9 @@
 * 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

actix-http/CHANGES.md

@@ -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
 

actix-http/src/extensions.rs

@@ -19,8 +19,7 @@ impl Extensions {
     #[inline]
     pub fn new() -> Extensions {
         Extensions {
-            map: AHashMap::with_capacity(2),
-            // map: AHashMap::new(),
+            map: AHashMap::new(),
         }
     }
 

actix-http/src/request.rs

@@ -2,7 +2,7 @@
 
 use std::{
     cell::{Ref, RefCell, RefMut},
-    fmt, net,
+    fmt, mem, net,
     rc::Rc,
     str,
 };
@@ -22,7 +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 req_data: RefCell<Extensions>,
+    pub(crate) req_data: RefCell<Extensions>,
 }
 
 impl<P> HttpMessage for Request<P> {
@@ -34,7 +34,7 @@ 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
@@ -55,7 +55,7 @@ impl From<Message<RequestHead>> for Request<PayloadStream> {
         Request {
             head,
             payload: Payload::None,
-            req_data: RefCell::new(Extensions::new()),
+            req_data: RefCell::new(Extensions::default()),
             conn_data: None,
         }
     }
@@ -67,7 +67,7 @@ impl Request<PayloadStream> {
         Request {
             head: Message::new(),
             payload: Payload::None,
-            req_data: RefCell::new(Extensions::new()),
+            req_data: RefCell::new(Extensions::default()),
             conn_data: None,
         }
     }
@@ -79,7 +79,7 @@ impl<P> Request<P> {
         Request {
             payload,
             head: Message::new(),
-            req_data: RefCell::new(Extensions::new()),
+            req_data: RefCell::new(Extensions::default()),
             conn_data: None,
         }
     }
@@ -106,7 +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
@@ -203,6 +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> {

src/app_service.rs

@@ -198,7 +198,7 @@ where
     actix_service::forward_ready!(service);
 
     fn call(&self, mut req: Request) -> Self::Future {
-        let req_data = Rc::new(RefCell::new(req.req_data.take()));
+        let req_data = Rc::new(RefCell::new(req.take_req_data()));
         let conn_data = req.take_conn_data();
         let (head, payload) = req.into_parts();
 

src/request.rs

@@ -325,18 +325,15 @@ 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.req_data()
     }
 
-    /// Mutable reference to a the request's extensions
     #[inline]
     fn extensions_mut(&self) -> RefMut<'_, Extensions> {
         self.req_data_mut()
@@ -358,7 +355,8 @@ impl Drop for HttpRequest {
                 // clear additional app_data and keep the root one for reuse.
                 inner.app_data.truncate(1);
 
-                // inner is borrowed mut here; get req data mutably to reduce borrow check
+                // 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.