clippy warnings

NamedFile: added basic ranges header support, added content-length support

.appveyor.yml

@@ -31,13 +31,13 @@ environment:
       CHANNEL: beta
     # Nightly channel
     - TARGET: i686-pc-windows-gnu
-      CHANNEL: nightly-2017-12-21
+      CHANNEL: nightly
     - TARGET: i686-pc-windows-msvc
-      CHANNEL: nightly-2017-12-21
+      CHANNEL: nightly
     - TARGET: x86_64-pc-windows-gnu
-      CHANNEL: nightly-2017-12-21
+      CHANNEL: nightly
     - TARGET: x86_64-pc-windows-msvc
-      CHANNEL: nightly-2017-12-21
+      CHANNEL: nightly
 
 # Install Rust and Cargo
 # (Based on from https://github.com/rust-lang/libc/blob/master/appveyor.yml)

.travis.yml

@@ -38,7 +38,7 @@ script:
   - |
     if [[ "$TRAVIS_RUST_VERSION" == "beta" ]]; then
     bash <(curl https://raw.githubusercontent.com/xd009642/tarpaulin/master/travis-install.sh)
-    USE_SKEPTIC=1 cargo tarpaulin --out Xml
+    USE_SKEPTIC=1 cargo tarpaulin --out Xml --no-count
     bash <(curl -s https://codecov.io/bash)
     echo "Uploaded code coverage"
     fi

CHANGES.md

@@ -1,5 +1,51 @@
 # Changes
 
+## 0.6.6 (2018-05-17)
+
+* Panic during middleware execution #226
+
+* Add support for listen_tls/listen_ssl #224
+
+* Implement extractor for `Session`
+
+* Ranges header support for NamedFile #60
+
+
+## 0.6.5 (2018-05-15)
+
+* Fix error handling during request decoding #222
+
+
+## 0.6.4 (2018-05-11)
+
+* Fix segfault in ServerSettings::get_response_builder()
+
+
+## 0.6.3 (2018-05-10)
+
+* Add `Router::with_async()` method for async handler registration.
+
+* Added error response functions for 501,502,503,504
+
+* Fix client request timeout handling
+
+
+## 0.6.2 (2018-05-09)
+
+* WsWriter trait is optional.
+
+
+## 0.6.1 (2018-05-08)
+
+* Fix http/2 payload streaming #215
+
+* Fix connector's default `keep-alive` and `lifetime` settings #212
+
+* Send `ErrorNotFound` instead of `ErrorBadRequest` when path extractor fails #214
+
+* Allow to exclude certain endpoints from logging #211
+
+
 ## 0.6.0 (2018-05-08)
 
 * Add route scopes #202

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "actix-web"
-version = "0.6.0"
+version = "0.6.6"
 authors = ["Nikolay Kim <fafhrd91@gmail.com>"]
 description = "Actix web is a simple, pragmatic and extremely fast web framework for Rust."
 readme = "README.md"

MIGRATION.md

@@ -1,5 +1,7 @@
 ## Migration from 0.5 to 0.6
 
+* `Path<T>` extractor return `ErrorNotFound` on failure instead of `ErrorBadRequest`
+
 * `ws::Message::Close` now includes optional close reason.
   `ws::CloseCode::Status` and `ws::CloseCode::Empty` have been removed.
 
@@ -11,6 +13,17 @@
 * `HttpRequest::extensions()` returns read only reference to the request's Extension
   `HttpRequest::extensions_mut()` returns mutable reference.
 
+* Instead of 
+
+   `use actix_web::middleware::{
+        CookieSessionBackend, CookieSessionError, RequestSession,
+        Session, SessionBackend, SessionImpl, SessionStorage};`
+                                
+  use `actix_web::middleware::session`
+
+   `use actix_web::middleware::session{CookieSessionBackend, CookieSessionError,
+        RequestSession, Session, SessionBackend, SessionImpl, SessionStorage};`
+
 * `FromRequest::from_request()` accepts mutable reference to a request
 
 * `FromRequest::Result` has to implement `Into<Reply<Self>>`
@@ -19,7 +32,7 @@
   https://actix.rs/actix-web/actix_web/trait.Responder.html#tymethod.respond_to)
   is generic over `S`
 
-* `HttpRequest::query()` is deprecated. Use `Query` extractor.
+*  Use `Query` extractor instead of HttpRequest::query()`.
 
    ```rust
    fn index(q: Query<HashMap<String, String>>) -> Result<..> {
@@ -33,6 +46,9 @@
    let q = Query::<HashMap<String, String>>::extract(req);
    ```
 
+* Websocket operations are implemented as `WsWriter` trait.
+  you need to use `use actix_web::ws::WsWriter`
+
 
 ## Migration from 0.4 to 0.5
 

README.md

@@ -18,6 +18,7 @@ Actix web is a simple, pragmatic and extremely fast web framework for Rust.
   [DefaultHeaders](https://actix.rs/book/actix-web/sec-9-middlewares.html#default-headers),
   [CORS](https://actix.rs/actix-web/actix_web/middleware/cors/index.html),
   [CSRF](https://actix.rs/actix-web/actix_web/middleware/csrf/index.html))
+* Includes an asynchronous [HTTP client](https://github.com/actix/actix-web/blob/master/src/client/mod.rs)
 * Built on top of [Actix actor framework](https://github.com/actix/actix)
 
 ## Documentation & community resources
@@ -36,7 +37,7 @@ extern crate actix_web;
 use actix_web::{http, server, App, Path};
 
 fn index(info: Path<(u32, String)>) -> String {
-    format!("Hello {}! id:{}", info.0, info.1)
+    format!("Hello {}! id:{}", info.1, info.0)
 }
 
 fn main() {

build.rs

@@ -1,8 +1,15 @@
 extern crate version_check;
 
 fn main() {
+    match version_check::is_min_version("1.26.0") {
+        Some((true, _)) => println!("cargo:rustc-cfg=actix_impl_trait"),
+        _ => (),
+    };
     match version_check::is_nightly() {
-        Some(true) => println!("cargo:rustc-cfg=actix_nightly"),
+        Some(true) => {
+            println!("cargo:rustc-cfg=actix_nightly");
+            println!("cargo:rustc-cfg=actix_impl_trait");
+        }
         Some(false) => (),
         None => (),
     };

src/application.rs

@@ -780,9 +780,7 @@ mod tests {
 
     #[test]
     fn test_handler() {
-        let mut app = App::new()
-            .handler("/test", |_| HttpResponse::Ok())
-            .finish();
+        let mut app = App::new().handler("/test", |_| HttpResponse::Ok()).finish();
 
         let req = TestRequest::with_uri("/test").finish();
         let resp = app.run(req);
@@ -807,9 +805,7 @@ mod tests {
 
     #[test]
     fn test_handler2() {
-        let mut app = App::new()
-            .handler("test", |_| HttpResponse::Ok())
-            .finish();
+        let mut app = App::new().handler("test", |_| HttpResponse::Ok()).finish();
 
         let req = TestRequest::with_uri("/test").finish();
         let resp = app.run(req);
@@ -863,29 +859,21 @@ mod tests {
     #[test]
     fn test_route() {
         let mut app = App::new()
-            .route("/test", Method::GET, |_: HttpRequest| {
-                HttpResponse::Ok()
-            })
+            .route("/test", Method::GET, |_: HttpRequest| HttpResponse::Ok())
             .route("/test", Method::POST, |_: HttpRequest| {
                 HttpResponse::Created()
             })
             .finish();
 
-        let req = TestRequest::with_uri("/test")
-            .method(Method::GET)
-            .finish();
+        let req = TestRequest::with_uri("/test").method(Method::GET).finish();
         let resp = app.run(req);
         assert_eq!(resp.as_msg().status(), StatusCode::OK);
 
-        let req = TestRequest::with_uri("/test")
-            .method(Method::POST)
-            .finish();
+        let req = TestRequest::with_uri("/test").method(Method::POST).finish();
         let resp = app.run(req);
         assert_eq!(resp.as_msg().status(), StatusCode::CREATED);
 
-        let req = TestRequest::with_uri("/test")
-            .method(Method::HEAD)
-            .finish();
+        let req = TestRequest::with_uri("/test").method(Method::HEAD).finish();
         let resp = app.run(req);
         assert_eq!(resp.as_msg().status(), StatusCode::NOT_FOUND);
     }

src/body.rs

@@ -62,10 +62,28 @@ impl Body {
         }
     }
 
+    /// Is this binary empy.
+    #[inline]
+    pub fn is_empty(&self) -> bool {
+        match *self {
+            Body::Empty => true,
+            _ => false,
+        }
+    }
+
     /// Create body from slice (copy)
     pub fn from_slice(s: &[u8]) -> Body {
         Body::Binary(Binary::Bytes(Bytes::from(s)))
     }
+
+    /// Is this binary body.
+    #[inline]
+    pub(crate) fn binary(self) -> Binary {
+        match self {
+            Body::Binary(b) => b,
+            _ => panic!(),
+        }
+    }
 }
 
 impl PartialEq for Body {

src/client/connector.rs

@@ -8,8 +8,10 @@ use std::{fmt, io, mem, time};
 use actix::actors::{Connect as ResolveConnect, Connector, ConnectorError};
 use actix::fut::WrapFuture;
 use actix::registry::ArbiterService;
-use actix::{fut, Actor, ActorFuture, ActorResponse, Arbiter, AsyncContext, Context,
-            ContextFutureSpawner, Handler, Message, Recipient, Supervised, Syn};
+use actix::{
+    fut, Actor, ActorFuture, ActorResponse, Arbiter, AsyncContext, Context,
+    ContextFutureSpawner, Handler, Message, Recipient, Supervised, Syn,
+};
 
 use futures::task::{current as current_task, Task};
 use futures::unsync::oneshot;
@@ -223,8 +225,8 @@ impl Default for ClientConnector {
                 pool: Rc::new(Pool::new(Rc::clone(&_modified))),
                 pool_modified: _modified,
                 connector: builder.build().unwrap(),
-                conn_lifetime: Duration::from_secs(15),
-                conn_keep_alive: Duration::from_secs(75),
+                conn_lifetime: Duration::from_secs(75),
+                conn_keep_alive: Duration::from_secs(15),
                 limit: 100,
                 limit_per_host: 0,
                 acquired: 0,
@@ -243,8 +245,8 @@ impl Default for ClientConnector {
             subscriber: None,
             pool: Rc::new(Pool::new(Rc::clone(&_modified))),
             pool_modified: _modified,
-            conn_lifetime: Duration::from_secs(15),
-            conn_keep_alive: Duration::from_secs(75),
+            conn_lifetime: Duration::from_secs(75),
+            conn_keep_alive: Duration::from_secs(15),
             limit: 100,
             limit_per_host: 0,
             acquired: 0,
@@ -429,8 +431,7 @@ impl ClientConnector {
         } else {
             0
         };
-        self.acquired_per_host
-            .insert(key.clone(), per_host + 1);
+        self.acquired_per_host.insert(key.clone(), per_host + 1);
     }
 
     fn release_key(&mut self, key: &Key) {
@@ -441,8 +442,7 @@ impl ClientConnector {
             return;
         };
         if per_host > 1 {
-            self.acquired_per_host
-                .insert(key.clone(), per_host - 1);
+            self.acquired_per_host.insert(key.clone(), per_host - 1);
         } else {
             self.acquired_per_host.remove(key);
         }
@@ -518,9 +518,7 @@ impl ClientConnector {
     fn collect_periodic(&mut self, ctx: &mut Context<Self>) {
         self.collect(true);
         // re-schedule next collect period
-        ctx.run_later(Duration::from_secs(1), |act, ctx| {
-            act.collect_periodic(ctx)
-        });
+        ctx.run_later(Duration::from_secs(1), |act, ctx| act.collect_periodic(ctx));
 
         // send stats
         let stats = mem::replace(&mut self.stats, ClientConnectorStats::default());
@@ -1107,10 +1105,7 @@ impl Pool {
         if self.to_close.borrow().is_empty() {
             None
         } else {
-            Some(mem::replace(
-                &mut *self.to_close.borrow_mut(),
-                Vec::new(),
-            ))
+            Some(mem::replace(&mut *self.to_close.borrow_mut(), Vec::new()))
         }
     }
 
@@ -1118,10 +1113,7 @@ impl Pool {
         if self.to_release.borrow().is_empty() {
             None
         } else {
-            Some(mem::replace(
-                &mut *self.to_release.borrow_mut(),
-                Vec::new(),
-            ))
+            Some(mem::replace(&mut *self.to_release.borrow_mut(), Vec::new()))
         }
     }
 

src/client/mod.rs

@@ -33,8 +33,10 @@ mod request;
 mod response;
 mod writer;
 
-pub use self::connector::{ClientConnector, ClientConnectorError, ClientConnectorStats,
-                          Connect, Connection, Pause, Resume};
+pub use self::connector::{
+    ClientConnector, ClientConnectorError, ClientConnectorStats, Connect, Connection,
+    Pause, Resume,
+};
 pub(crate) use self::parser::{HttpResponseParser, HttpResponseParserError};
 pub use self::pipeline::{SendRequest, SendRequestError};
 pub use self::request::{ClientRequest, ClientRequestBuilder};
@@ -49,6 +51,7 @@ use httpresponse::HttpResponse;
 impl ResponseError for SendRequestError {
     fn error_response(&self) -> HttpResponse {
         match *self {
+            SendRequestError::Timeout => HttpResponse::GatewayTimeout(),
             SendRequestError::Connector(_) => HttpResponse::BadGateway(),
             _ => HttpResponse::InternalServerError(),
         }.into()

src/client/pipeline.rs

@@ -194,6 +194,7 @@ impl Future for SendRequest {
                     self.state = State::Send(pl);
                 }
                 State::Send(mut pl) => {
+                    pl.poll_timeout()?;
                     pl.poll_write().map_err(|e| {
                         io::Error::new(io::ErrorKind::Other, format!("{}", e).as_str())
                     })?;
@@ -269,7 +270,8 @@ impl Pipeline {
     #[inline]
     fn parse(&mut self) -> Poll<ClientResponse, HttpResponseParserError> {
         if let Some(ref mut conn) = self.conn {
-            match self.parser
+            match self
+                .parser
                 .as_mut()
                 .unwrap()
                 .parse(conn, &mut self.parser_buf)
@@ -310,12 +312,13 @@ impl Pipeline {
         let mut need_run = false;
 
         // need write?
-        match self.poll_write()
+        match self
+            .poll_write()
             .map_err(|e| io::Error::new(io::ErrorKind::Other, format!("{}", e)))?
         {
             Async::NotReady => need_run = true,
             Async::Ready(_) => {
-                let _ = self.poll_timeout().map_err(|e| {
+                self.poll_timeout().map_err(|e| {
                     io::Error::new(io::ErrorKind::Other, format!("{}", e))
                 })?;
             }
@@ -324,7 +327,8 @@ impl Pipeline {
         // need read?
         if self.parser.is_some() {
             loop {
-                match self.parser
+                match self
+                    .parser
                     .as_mut()
                     .unwrap()
                     .parse_payload(conn, &mut self.parser_buf)?
@@ -371,16 +375,15 @@ impl Pipeline {
         }
     }
 
-    fn poll_timeout(&mut self) -> Poll<(), SendRequestError> {
+    fn poll_timeout(&mut self) -> Result<(), SendRequestError> {
         if self.timeout.is_some() {
             match self.timeout.as_mut().unwrap().poll() {
-                Ok(Async::Ready(())) => Err(SendRequestError::Timeout),
-                Ok(Async::NotReady) => Ok(Async::NotReady),
+                Ok(Async::Ready(())) => return Err(SendRequestError::Timeout),
+                Ok(Async::NotReady) => (),
                 Err(_) => unreachable!(),
             }
-        } else {
-            Ok(Async::NotReady)
         }
+        Ok(())
     }
 
     #[inline]
@@ -469,7 +472,8 @@ impl Pipeline {
         }
 
         // flush io but only if we need to
-        match self.writer
+        match self
+            .writer
             .poll_completed(self.conn.as_mut().unwrap(), false)
         {
             Ok(Async::Ready(_)) => {

src/client/request.rs

@@ -499,10 +499,7 @@ impl ClientRequestBuilder {
             jar.add(cookie.into_owned());
             self.cookies = Some(jar)
         } else {
-            self.cookies
-                .as_mut()
-                .unwrap()
-                .add(cookie.into_owned());
+            self.cookies.as_mut().unwrap().add(cookie.into_owned());
         }
         self
     }
@@ -610,9 +607,7 @@ impl ClientRequestBuilder {
             }
         }
 
-        let mut request = self.request
-            .take()
-            .expect("cannot reuse request builder");
+        let mut request = self.request.take().expect("cannot reuse request builder");
 
         // set cookies
         if let Some(ref mut jar) = self.cookies {
@@ -657,9 +652,7 @@ impl ClientRequestBuilder {
         S: Stream<Item = Bytes, Error = E> + 'static,
         E: Into<Error>,
     {
-        self.body(Body::Streaming(Box::new(
-            stream.map_err(|e| e.into()),
-        )))
+        self.body(Body::Streaming(Box::new(stream.map_err(|e| e.into()))))
     }
 
     /// Set an empty body and generate `ClientRequest`

src/client/response.rs

@@ -103,12 +103,7 @@ impl ClientResponse {
 
 impl fmt::Debug for ClientResponse {
     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
-        let res = writeln!(
-            f,
-            "\nClientResponse {:?} {}",
-            self.version(),
-            self.status()
-        );
+        let res = writeln!(f, "\nClientResponse {:?} {}", self.version(), self.status());
         let _ = writeln!(f, "  headers:");
         for (key, val) in self.headers().iter() {
             let _ = writeln!(f, "    {:?}: {:?}", key, val);
@@ -138,14 +133,12 @@ mod tests {
     #[test]
     fn test_debug() {
         let resp = ClientResponse::new(ClientMessage::default());
-        resp.as_mut().headers.insert(
-            header::COOKIE,
-            HeaderValue::from_static("cookie1=value1"),
-        );
-        resp.as_mut().headers.insert(
-            header::COOKIE,
-            HeaderValue::from_static("cookie2=value2"),
-        );
+        resp.as_mut()
+            .headers
+            .insert(header::COOKIE, HeaderValue::from_static("cookie1=value1"));
+        resp.as_mut()
+            .headers
+            .insert(header::COOKIE, HeaderValue::from_static("cookie2=value2"));
 
         let dbg = format!("{:?}", resp);
         assert!(dbg.contains("ClientResponse"));

src/client/writer.rs

@@ -12,8 +12,9 @@ use flate2::write::{DeflateEncoder, GzEncoder};
 #[cfg(feature = "flate2")]
 use flate2::Compression;
 use futures::{Async, Poll};
-use http::header::{HeaderValue, CONNECTION, CONTENT_ENCODING, CONTENT_LENGTH, DATE,
-                   TRANSFER_ENCODING};
+use http::header::{
+    HeaderValue, CONNECTION, CONTENT_ENCODING, CONTENT_LENGTH, DATE, TRANSFER_ENCODING,
+};
 use http::{HttpTryFrom, Version};
 use time::{self, Duration};
 use tokio_io::AsyncWrite;
@@ -253,10 +254,8 @@ fn content_encoder(buf: SharedBytes, req: &mut ClientRequest) -> ContentEncoder
             }
             let mut b = BytesMut::new();
             let _ = write!(b, "{}", bytes.len());
-            req.headers_mut().insert(
-                CONTENT_LENGTH,
-                HeaderValue::try_from(b.freeze()).unwrap(),
-            );
+            req.headers_mut()
+                .insert(CONTENT_LENGTH, HeaderValue::try_from(b.freeze()).unwrap());
             TransferEncoding::eof(buf)
         }
         Body::Streaming(_) | Body::Actor(_) => {

src/context.rs

@@ -6,8 +6,10 @@ use std::marker::PhantomData;
 
 use actix::dev::{ContextImpl, SyncEnvelope, ToEnvelope};
 use actix::fut::ActorFuture;
-use actix::{Actor, ActorContext, ActorState, Addr, AsyncContext, Handler, Message,
-            SpawnHandle, Syn, Unsync};
+use actix::{
+    Actor, ActorContext, ActorState, Addr, AsyncContext, Handler, Message, SpawnHandle,
+    Syn, Unsync,
+};
 
 use body::{Binary, Body};
 use error::{Error, ErrorInternalServerError};
@@ -80,7 +82,8 @@ where
     #[doc(hidden)]
     #[inline]
     fn waiting(&self) -> bool {
-        self.inner.waiting() || self.inner.state() == ActorState::Stopping
+        self.inner.waiting()
+            || self.inner.state() == ActorState::Stopping
             || self.inner.state() == ActorState::Stopped
     }
     #[inline]

src/de.rs

@@ -202,7 +202,8 @@ impl<'de> de::MapAccess<'de> for ParamsDeserializer<'de> {
     where
         K: de::DeserializeSeed<'de>,
     {
-        self.current = self.params
+        self.current = self
+            .params
             .next()
             .map(|&(ref k, ref v)| (k.as_ref(), v.as_ref()));
         match self.current {
@@ -336,9 +337,7 @@ impl<'de> Deserializer<'de> for Value<'de> {
     where
         V: Visitor<'de>,
     {
-        visitor.visit_enum(ValueEnum {
-            value: self.value,
-        })
+        visitor.visit_enum(ValueEnum { value: self.value })
     }
 
     fn deserialize_newtype_struct<V>(
@@ -372,9 +371,7 @@ impl<'de> Deserializer<'de> for Value<'de> {
     where
         V: Visitor<'de>,
     {
-        Err(de::value::Error::custom(
-            "unsupported type: tuple struct",
-        ))
+        Err(de::value::Error::custom("unsupported type: tuple struct"))
     }
 
     unsupported_type!(deserialize_any, "any");
@@ -415,10 +412,7 @@ impl<'de> de::EnumAccess<'de> for ValueEnum<'de> {
     where
         V: de::DeserializeSeed<'de>,
     {
-        Ok((
-            seed.deserialize(Key { key: self.value })?,
-            UnitVariant,
-        ))
+        Ok((seed.deserialize(Key { key: self.value })?, UnitVariant))
     }
 }
 

src/error.rs

@@ -88,7 +88,7 @@ impl fmt::Debug for Error {
     }
 }
 
-/// `HttpResponse` for `Error`
+/// Convert `Error` to a `HttpResponse` instance
 impl From<Error> for HttpResponse {
     fn from(err: Error) -> Self {
         HttpResponse::from_error(err)
@@ -317,10 +317,7 @@ pub enum HttpRangeError {
 /// Return `BadRequest` for `HttpRangeError`
 impl ResponseError for HttpRangeError {
     fn error_response(&self) -> HttpResponse {
-        HttpResponse::with_body(
-            StatusCode::BAD_REQUEST,
-            "Invalid Range header provided",
-        )
+        HttpResponse::with_body(StatusCode::BAD_REQUEST, "Invalid Range header provided")
     }
 }
 
@@ -757,6 +754,46 @@ where
     InternalError::new(err, StatusCode::INTERNAL_SERVER_ERROR).into()
 }
 
+/// Helper function that creates wrapper of any error and
+/// generate *NOT IMPLEMENTED* response.
+#[allow(non_snake_case)]
+pub fn ErrorNotImplemented<T>(err: T) -> Error
+where
+    T: Send + Sync + fmt::Debug + fmt::Display + 'static,
+{
+    InternalError::new(err, StatusCode::NOT_IMPLEMENTED).into()
+}
+
+/// Helper function that creates wrapper of any error and
+/// generate *BAD GATEWAY* response.
+#[allow(non_snake_case)]
+pub fn ErrorBadGateway<T>(err: T) -> Error
+where
+    T: Send + Sync + fmt::Debug + fmt::Display + 'static,
+{
+    InternalError::new(err, StatusCode::BAD_GATEWAY).into()
+}
+
+/// Helper function that creates wrapper of any error and
+/// generate *SERVICE UNAVAILABLE* response.
+#[allow(non_snake_case)]
+pub fn ErrorServiceUnavailable<T>(err: T) -> Error
+where
+    T: Send + Sync + fmt::Debug + fmt::Display + 'static,
+{
+    InternalError::new(err, StatusCode::SERVICE_UNAVAILABLE).into()
+}
+
+/// Helper function that creates wrapper of any error and
+/// generate *GATEWAY TIMEOUT* response.
+#[allow(non_snake_case)]
+pub fn ErrorGatewayTimeout<T>(err: T) -> Error
+where
+    T: Send + Sync + fmt::Debug + fmt::Display + 'static,
+{
+    InternalError::new(err, StatusCode::GATEWAY_TIMEOUT).into()
+}
+
 #[cfg(test)]
 mod tests {
     use super::*;
@@ -912,4 +949,52 @@ mod tests {
         let resp: HttpResponse = err.error_response();
         assert_eq!(resp.status(), StatusCode::OK);
     }
+
+    #[test]
+    fn test_error_helpers() {
+        let r: HttpResponse = ErrorBadRequest("err").into();
+        assert_eq!(r.status(), StatusCode::BAD_REQUEST);
+
+        let r: HttpResponse = ErrorUnauthorized("err").into();
+        assert_eq!(r.status(), StatusCode::UNAUTHORIZED);
+
+        let r: HttpResponse = ErrorForbidden("err").into();
+        assert_eq!(r.status(), StatusCode::FORBIDDEN);
+
+        let r: HttpResponse = ErrorNotFound("err").into();
+        assert_eq!(r.status(), StatusCode::NOT_FOUND);
+
+        let r: HttpResponse = ErrorMethodNotAllowed("err").into();
+        assert_eq!(r.status(), StatusCode::METHOD_NOT_ALLOWED);
+
+        let r: HttpResponse = ErrorRequestTimeout("err").into();
+        assert_eq!(r.status(), StatusCode::REQUEST_TIMEOUT);
+
+        let r: HttpResponse = ErrorConflict("err").into();
+        assert_eq!(r.status(), StatusCode::CONFLICT);
+
+        let r: HttpResponse = ErrorGone("err").into();
+        assert_eq!(r.status(), StatusCode::GONE);
+
+        let r: HttpResponse = ErrorPreconditionFailed("err").into();
+        assert_eq!(r.status(), StatusCode::PRECONDITION_FAILED);
+
+        let r: HttpResponse = ErrorExpectationFailed("err").into();
+        assert_eq!(r.status(), StatusCode::EXPECTATION_FAILED);
+
+        let r: HttpResponse = ErrorInternalServerError("err").into();
+        assert_eq!(r.status(), StatusCode::INTERNAL_SERVER_ERROR);
+
+        let r: HttpResponse = ErrorNotImplemented("err").into();
+        assert_eq!(r.status(), StatusCode::NOT_IMPLEMENTED);
+
+        let r: HttpResponse = ErrorBadGateway("err").into();
+        assert_eq!(r.status(), StatusCode::BAD_GATEWAY);
+
+        let r: HttpResponse = ErrorServiceUnavailable("err").into();
+        assert_eq!(r.status(), StatusCode::SERVICE_UNAVAILABLE);
+
+        let r: HttpResponse = ErrorGatewayTimeout("err").into();
+        assert_eq!(r.status(), StatusCode::GATEWAY_TIMEOUT);
+    }
 }

src/extractor.rs

@@ -11,7 +11,7 @@ use serde::de::{self, DeserializeOwned};
 use serde_urlencoded;
 
 use de::PathDeserializer;
-use error::{Error, ErrorBadRequest};
+use error::{Error, ErrorBadRequest, ErrorNotFound};
 use handler::{AsyncResult, FromRequest};
 use httpmessage::{HttpMessage, MessageBody, UrlEncoded};
 use httprequest::HttpRequest;
@@ -108,7 +108,7 @@ where
     fn from_request(req: &HttpRequest<S>, _: &Self::Config) -> Self::Result {
         let req = req.clone();
         de::Deserialize::deserialize(PathDeserializer::new(&req))
-            .map_err(|e| e.into())
+            .map_err(ErrorNotFound)
             .map(|inner| Path { inner })
     }
 }
@@ -330,9 +330,7 @@ impl<S: 'static> FromRequest<S> for Bytes {
         cfg.check_mimetype(req)?;
 
         Ok(Box::new(
-            MessageBody::new(req.clone())
-                .limit(cfg.limit)
-                .from_err(),
+            MessageBody::new(req.clone()).limit(cfg.limit).from_err(),
         ))
     }
 }
@@ -512,14 +510,7 @@ tuple_from_req!(TupleFromRequest1, (0, A));
 tuple_from_req!(TupleFromRequest2, (0, A), (1, B));
 tuple_from_req!(TupleFromRequest3, (0, A), (1, B), (2, C));
 tuple_from_req!(TupleFromRequest4, (0, A), (1, B), (2, C), (3, D));
-tuple_from_req!(
-    TupleFromRequest5,
-    (0, A),
-    (1, B),
-    (2, C),
-    (3, D),
-    (4, E)
-);
+tuple_from_req!(TupleFromRequest5, (0, A), (1, B), (2, C), (3, D), (4, E));
 tuple_from_req!(
     TupleFromRequest6,
     (0, A),
@@ -587,11 +578,7 @@ mod tests {
         req.payload_mut()
             .unread_data(Bytes::from_static(b"hello=world"));
 
-        match Bytes::from_request(&req, &cfg)
-            .unwrap()
-            .poll()
-            .unwrap()
-        {
+        match Bytes::from_request(&req, &cfg).unwrap().poll().unwrap() {
             Async::Ready(s) => {
                 assert_eq!(s, Bytes::from_static(b"hello=world"));
             }
@@ -606,11 +593,7 @@ mod tests {
         req.payload_mut()
             .unread_data(Bytes::from_static(b"hello=world"));
 
-        match String::from_request(&req, &cfg)
-            .unwrap()
-            .poll()
-            .unwrap()
-        {
+        match String::from_request(&req, &cfg).unwrap().poll().unwrap() {
             Async::Ready(s) => {
                 assert_eq!(s, "hello=world");
             }
@@ -680,10 +663,7 @@ mod tests {
         let mut resource = ResourceHandler::<()>::default();
         resource.name("index");
         let mut routes = Vec::new();
-        routes.push((
-            Resource::new("index", "/{key}/{value}/"),
-            Some(resource),
-        ));
+        routes.push((Resource::new("index", "/{key}/{value}/"), Some(resource)));
         let (router, _) = Router::new("", ServerSettings::default(), routes);
         assert!(router.recognize(&mut req).is_some());
 
@@ -735,10 +715,7 @@ mod tests {
         let mut resource = ResourceHandler::<()>::default();
         resource.name("index");
         let mut routes = Vec::new();
-        routes.push((
-            Resource::new("index", "/{key}/{value}/"),
-            Some(resource),
-        ));
+        routes.push((Resource::new("index", "/{key}/{value}/"), Some(resource)));
         let (router, _) = Router::new("", ServerSettings::default(), routes);
         assert!(router.recognize(&mut req).is_some());
 

src/fs.rs

@@ -20,7 +20,7 @@ use mime_guess::{get_mime_type, guess_mime_type};
 use error::Error;
 use handler::{AsyncResult, Handler, Responder, RouteHandler, WrapHandler};
 use header;
-use http::{Method, StatusCode};
+use http::{HttpRange, Method, StatusCode};
 use httpmessage::HttpMessage;
 use httprequest::HttpRequest;
 use httpresponse::HttpResponse;
@@ -203,31 +203,29 @@ impl Responder for NamedFile {
         if self.status_code != StatusCode::OK {
             let mut resp = HttpResponse::build(self.status_code);
             resp.if_some(self.path().extension(), |ext, resp| {
-                resp.set(header::ContentType(get_mime_type(
-                    &ext.to_string_lossy(),
-                )));
+                resp.set(header::ContentType(get_mime_type(&ext.to_string_lossy())));
             }).if_some(self.path().file_name(), |file_name, resp| {
-                    let mime_type = guess_mime_type(self.path());
-                    let inline_or_attachment = match mime_type.type_() {
-                        mime::IMAGE | mime::TEXT => "inline",
-                        _ => "attachment",
-                    };
-                    resp.header(
-                        "Content-Disposition",
-                        format!(
-                            "{inline_or_attachment}; filename={filename}",
-                            inline_or_attachment = inline_or_attachment,
-                            filename = file_name.to_string_lossy()
-                        ),
-                    );
-                });
+                let mime_type = guess_mime_type(self.path());
+                let inline_or_attachment = match mime_type.type_() {
+                    mime::IMAGE | mime::TEXT | mime::VIDEO => "inline",
+                    _ => "attachment",
+                };
+                resp.header(
+                    "Content-Disposition",
+                    format!(
+                        "{inline_or_attachment}; filename={filename}",
+                        inline_or_attachment = inline_or_attachment,
+                        filename = file_name.to_string_lossy()
+                    ),
+                );
+            });
             let reader = ChunkedReadFile {
                 size: self.md.len(),
                 offset: 0,
-                cpu_pool: self.cpu_pool
-                    .unwrap_or_else(|| req.cpu_pool().clone()),
+                cpu_pool: self.cpu_pool.unwrap_or_else(|| req.cpu_pool().clone()),
                 file: Some(self.file),
                 fut: None,
+                counter: 0,
             };
             return Ok(resp.streaming(reader));
         }
@@ -268,13 +266,11 @@ impl Responder for NamedFile {
         let mut resp = HttpResponse::build(self.status_code);
 
         resp.if_some(self.path().extension(), |ext, resp| {
-            resp.set(header::ContentType(get_mime_type(
-                &ext.to_string_lossy(),
-            )));
+            resp.set(header::ContentType(get_mime_type(&ext.to_string_lossy())));
         }).if_some(self.path().file_name(), |file_name, resp| {
                 let mime_type = guess_mime_type(self.path());
                 let inline_or_attachment = match mime_type.type_() {
-                    mime::IMAGE | mime::TEXT => "inline",
+                    mime::IMAGE | mime::TEXT | mime::VIDEO => "inline",
                     _ => "attachment",
                 };
                 resp.header(
@@ -293,6 +289,39 @@ impl Responder for NamedFile {
                 resp.set(header::ETag(etag));
             });
 
+        // TODO: Debug, enabling "accept-ranges: bytes" causes problems with
+        // certain clients when not using the ranges header.
+        //resp.header(header::ACCEPT_RANGES, format!("bytes"));
+
+        let mut length = self.md.len();
+        let mut offset = 0;
+
+        // check for ranges header
+        if let Some(ranges) = req.headers().get(header::RANGE) {
+            if let Ok(rangesheader) = ranges.to_str() {
+                if let Ok(rangesvec) = HttpRange::parse(rangesheader, length) {
+                    length = rangesvec[0].length - 1;
+                    offset = rangesvec[0].start;
+                    resp.header(
+                        header::RANGE,
+                        format!(
+                            "bytes={}-{}/{}",
+                            offset,
+                            offset + length,
+                            self.md.len()
+                        ),
+                    );
+                } else {
+                    resp.header(header::RANGE, format!("*/{}", length));
+                    return Ok(resp.status(StatusCode::RANGE_NOT_SATISFIABLE).finish());
+                };
+            } else {
+                return Ok(resp.status(StatusCode::BAD_REQUEST).finish());
+            };
+        };
+
+        resp.header(header::CONTENT_LENGTH, format!("{}", length));
+
         if precondition_failed {
             return Ok(resp.status(StatusCode::PRECONDITION_FAILED).finish());
         } else if not_modified {
@@ -303,12 +332,15 @@ impl Responder for NamedFile {
             Ok(resp.finish())
         } else {
             let reader = ChunkedReadFile {
-                size: self.md.len(),
-                offset: 0,
-                cpu_pool: self.cpu_pool
-                    .unwrap_or_else(|| req.cpu_pool().clone()),
+                offset,
+                size: length,
+                cpu_pool: self.cpu_pool.unwrap_or_else(|| req.cpu_pool().clone()),
                 file: Some(self.file),
                 fut: None,
+                counter: 0,
+            };
+            if offset != 0 || length != self.md.len() {
+                return Ok(resp.status(StatusCode::PARTIAL_CONTENT).streaming(reader));
             };
             Ok(resp.streaming(reader))
         }
@@ -323,6 +355,7 @@ pub struct ChunkedReadFile {
     cpu_pool: CpuPool,
     file: Option<File>,
     fut: Option<CpuFuture<(File, Bytes), io::Error>>,
+    counter: u64,
 }
 
 impl Stream for ChunkedReadFile {
@@ -336,6 +369,7 @@ impl Stream for ChunkedReadFile {
                     self.fut.take();
                     self.file = Some(file);
                     self.offset += bytes.len() as u64;
+                    self.counter += bytes.len() as u64;
                     Ok(Async::Ready(Some(bytes)))
                 }
                 Async::NotReady => Ok(Async::NotReady),
@@ -344,14 +378,16 @@ impl Stream for ChunkedReadFile {
 
         let size = self.size;
         let offset = self.offset;
+        let counter = self.counter;
 
-        if size == offset {
+        if size == counter {
             Ok(Async::Ready(None))
         } else {
             let mut file = self.file.take().expect("Use after completion");
             self.fut = Some(self.cpu_pool.spawn_fn(move || {
-                let max_bytes = cmp::min(size.saturating_sub(offset), 65_536) as usize;
-                let mut buf = BytesMut::with_capacity(max_bytes);
+                let max_bytes: usize;
+                max_bytes = cmp::min(size.saturating_sub(counter), 65_536) as usize;
+                let mut buf = BytesMut::from(Vec::with_capacity(max_bytes));
                 file.seek(io::SeekFrom::Start(offset))?;
                 let nbytes = file.read(unsafe { buf.bytes_mut() })?;
                 if nbytes == 0 {
@@ -584,7 +620,8 @@ impl<S: 'static> Handler<S> for StaticFiles<S> {
         if !self.accessible {
             Ok(self.default.handle(req))
         } else {
-            let relpath = match req.match_info()
+            let relpath = match req
+                .match_info()
                 .get("tail")
                 .map(|tail| PathBuf::from_param(tail.trim_left_matches('/')))
             {
@@ -656,9 +693,7 @@ mod tests {
             "text/x-toml"
         );
         assert_eq!(
-            resp.headers()
-                .get(header::CONTENT_DISPOSITION)
-                .unwrap(),
+            resp.headers().get(header::CONTENT_DISPOSITION).unwrap(),
             "inline; filename=Cargo.toml"
         );
     }
@@ -682,9 +717,7 @@ mod tests {
             "image/png"
         );
         assert_eq!(
-            resp.headers()
-                .get(header::CONTENT_DISPOSITION)
-                .unwrap(),
+            resp.headers().get(header::CONTENT_DISPOSITION).unwrap(),
             "inline; filename=test.png"
         );
     }
@@ -708,9 +741,7 @@ mod tests {
             "application/octet-stream"
         );
         assert_eq!(
-            resp.headers()
-                .get(header::CONTENT_DISPOSITION)
-                .unwrap(),
+            resp.headers().get(header::CONTENT_DISPOSITION).unwrap(),
             "attachment; filename=test.binary"
         );
     }
@@ -735,14 +766,71 @@ mod tests {
             "text/x-toml"
         );
         assert_eq!(
-            resp.headers()
-                .get(header::CONTENT_DISPOSITION)
-                .unwrap(),
+            resp.headers().get(header::CONTENT_DISPOSITION).unwrap(),
             "inline; filename=Cargo.toml"
         );
         assert_eq!(resp.status(), StatusCode::NOT_FOUND);
     }
 
+    #[test]
+    fn test_named_file_ranges_status_code() {
+        let mut srv = test::TestServer::with_factory(|| {
+            App::new().handler("test", StaticFiles::new(".").index_file("Cargo.toml"))
+        });
+
+        let request = srv
+            .get()
+            .uri(srv.url("/t%65st/Cargo.toml"))
+            .header(header::RANGE, "bytes=10-20")
+            .finish()
+            .unwrap();
+        let response = srv.execute(request.send()).unwrap();
+
+        assert_eq!(response.status(), StatusCode::PARTIAL_CONTENT);
+    }
+
+    #[test]
+    fn test_named_file_ranges_headers() {
+        let mut srv = test::TestServer::with_factory(|| {
+            App::new().handler(
+                "test",
+                StaticFiles::new(".").index_file("tests/test.binary"),
+            )
+        });
+
+        let request = srv
+            .get()
+            .uri(srv.url("/t%65st/tests/test.binary"))
+            .header(header::RANGE, "bytes=10-20")
+            .finish()
+            .unwrap();
+        let response = srv.execute(request.send()).unwrap();
+        let contentlength = response
+            .headers()
+            .get(header::CONTENT_LENGTH)
+            .unwrap()
+            .to_str()
+            .unwrap();
+
+        assert_eq!(contentlength, "10");
+
+        let request = srv
+            .get()
+            .uri(srv.url("/t%65st/tests/test.binary"))
+            .header(header::RANGE, "bytes=10-20")
+            .finish()
+            .unwrap();
+        let response = srv.execute(request.send()).unwrap();
+        let range = response
+            .headers()
+            .get(header::RANGE)
+            .unwrap()
+            .to_str()
+            .unwrap();
+
+        assert_eq!(range, "bytes=10-20/100");
+    }
+
     #[test]
     fn test_named_file_not_allowed() {
         let req = TestRequest::default().method(Method::POST).finish();
@@ -764,7 +852,8 @@ mod tests {
     fn test_static_files() {
         let mut st = StaticFiles::new(".").show_files_listing();
         st.accessible = false;
-        let resp = st.handle(HttpRequest::default())
+        let resp = st
+            .handle(HttpRequest::default())
             .respond_to(&HttpRequest::default())
             .unwrap();
         let resp = resp.as_msg();
@@ -772,7 +861,8 @@ mod tests {
 
         st.accessible = true;
         st.show_index = false;
-        let resp = st.handle(HttpRequest::default())
+        let resp = st
+            .handle(HttpRequest::default())
             .respond_to(&HttpRequest::default())
             .unwrap();
         let resp = resp.as_msg();
@@ -782,9 +872,7 @@ mod tests {
         req.match_info_mut().add("tail", "");
 
         st.show_index = true;
-        let resp = st.handle(req)
-            .respond_to(&HttpRequest::default())
-            .unwrap();
+        let resp = st.handle(req).respond_to(&HttpRequest::default()).unwrap();
         let resp = resp.as_msg();
         assert_eq!(
             resp.headers().get(header::CONTENT_TYPE).unwrap(),
@@ -800,9 +888,7 @@ mod tests {
         let mut req = HttpRequest::default();
         req.match_info_mut().add("tail", "tests");
 
-        let resp = st.handle(req)
-            .respond_to(&HttpRequest::default())
-            .unwrap();
+        let resp = st.handle(req).respond_to(&HttpRequest::default()).unwrap();
         let resp = resp.as_msg();
         assert_eq!(resp.status(), StatusCode::FOUND);
         assert_eq!(
@@ -813,9 +899,7 @@ mod tests {
         let mut req = HttpRequest::default();
         req.match_info_mut().add("tail", "tests/");
 
-        let resp = st.handle(req)
-            .respond_to(&HttpRequest::default())
-            .unwrap();
+        let resp = st.handle(req).respond_to(&HttpRequest::default()).unwrap();
         let resp = resp.as_msg();
         assert_eq!(resp.status(), StatusCode::FOUND);
         assert_eq!(
@@ -830,9 +914,7 @@ mod tests {
         let mut req = HttpRequest::default();
         req.match_info_mut().add("tail", "tools/wsload");
 
-        let resp = st.handle(req)
-            .respond_to(&HttpRequest::default())
-            .unwrap();
+        let resp = st.handle(req).respond_to(&HttpRequest::default()).unwrap();
         let resp = resp.as_msg();
         assert_eq!(resp.status(), StatusCode::FOUND);
         assert_eq!(
@@ -907,7 +989,8 @@ mod tests {
             App::new().handler("test", StaticFiles::new(".").index_file("Cargo.toml"))
         });
 
-        let request = srv.get()
+        let request = srv
+            .get()
             .uri(srv.url("/test/%43argo.toml"))
             .finish()
             .unwrap();

src/handler.rs

@@ -362,7 +362,8 @@ where
         self, req: &HttpRequest<S>,
     ) -> Result<AsyncResult<HttpResponse>, Error> {
         let req = req.clone();
-        let fut = self.map_err(|e| e.into())
+        let fut = self
+            .map_err(|e| e.into())
             .then(move |r| match r.respond_to(&req) {
                 Ok(reply) => match reply.into().into() {
                     AsyncResultItem::Ok(resp) => ok(resp),
@@ -397,10 +398,7 @@ where
     S: 'static,
 {
     pub fn new(h: H) -> Self {
-        WrapHandler {
-            h,
-            s: PhantomData,
-        }
+        WrapHandler { h, s: PhantomData }
     }
 }
 
@@ -456,16 +454,16 @@ where
     S: 'static,
 {
     fn handle(&mut self, req: HttpRequest<S>) -> AsyncResult<HttpResponse> {
-        let fut = (self.h)(req.clone())
-            .map_err(|e| e.into())
-            .then(move |r| match r.respond_to(&req) {
+        let fut = (self.h)(req.clone()).map_err(|e| e.into()).then(move |r| {
+            match r.respond_to(&req) {
                 Ok(reply) => match reply.into().into() {
                     AsyncResultItem::Ok(resp) => Either::A(ok(resp)),
                     AsyncResultItem::Err(e) => Either::A(err(e)),
                     AsyncResultItem::Future(fut) => Either::B(fut),
                 },
                 Err(e) => Either::A(err(e)),
-            });
+            }
+        });
         AsyncResult::async(Box::new(fut))
     }
 }
@@ -492,14 +490,15 @@ where
 /// }
 ///
 /// /// extract path info using serde
-/// fn index(state: State<MyApp>, info: Path<Info>) -> String {
-///     format!("{} {}!", state.msg, info.username)
+/// fn index(data: (State<MyApp>, Path<Info>)) -> String {
+///     let (state, path) = data;
+///     format!("{} {}!", state.msg, path.username)
 /// }
 ///
 /// fn main() {
 ///     let app = App::with_state(MyApp{msg: "Welcome"}).resource(
 ///        "/{username}/index.html",                      // <- define path parameters
-///        |r| r.method(http::Method::GET).with2(index)); // <- use `with` extractor
+///        |r| r.method(http::Method::GET).with(index));  // <- use `with` extractor
 /// }
 /// ```
 pub struct State<S>(HttpRequest<S>);

src/header/shared/encoding.rs

@@ -1,8 +1,9 @@
 use std::fmt;
 use std::str;
 
-pub use self::Encoding::{Brotli, Chunked, Compress, Deflate, EncodingExt, Gzip,
-                         Identity, Trailers};
+pub use self::Encoding::{
+    Brotli, Chunked, Compress, Deflate, EncodingExt, Gzip, Identity, Trailers,
+};
 
 /// A value to represent an encoding used in `Transfer-Encoding`
 /// or `Accept-Encoding` header.

src/header/shared/entity.rs

@@ -132,7 +132,8 @@ impl FromStr for EntityTag {
             return Err(::error::ParseError::Header);
         }
         // The etag is weak if its first char is not a DQUOTE.
-        if slice.len() >= 2 && slice.starts_with('"')
+        if slice.len() >= 2
+            && slice.starts_with('"')
             && check_slice_validity(&slice[1..length - 1])
         {
             // No need to check if the last char is a DQUOTE,
@@ -141,7 +142,8 @@ impl FromStr for EntityTag {
                 weak: false,
                 tag: slice[1..length - 1].to_owned(),
             });
-        } else if slice.len() >= 4 && slice.starts_with("W/\"")
+        } else if slice.len() >= 4
+            && slice.starts_with("W/\"")
             && check_slice_validity(&slice[3..length - 1])
         {
             return Ok(EntityTag {
@@ -213,10 +215,7 @@ mod tests {
             format!("{}", EntityTag::strong("foobar".to_owned())),
             "\"foobar\""
         );
-        assert_eq!(
-            format!("{}", EntityTag::strong("".to_owned())),
-            "\"\""
-        );
+        assert_eq!(format!("{}", EntityTag::strong("".to_owned())), "\"\"");
         assert_eq!(
             format!("{}", EntityTag::weak("weak-etag".to_owned())),
             "W/\"weak-etag\""
@@ -225,10 +224,7 @@ mod tests {
             format!("{}", EntityTag::weak("\u{0065}".to_owned())),
             "W/\"\x65\""
         );
-        assert_eq!(
-            format!("{}", EntityTag::weak("".to_owned())),
-            "W/\"\""
-        );
+        assert_eq!(format!("{}", EntityTag::weak("".to_owned())), "W/\"\"");
     }
 
     #[test]

src/header/shared/httpdate.rs

@@ -105,9 +105,7 @@ mod tests {
     #[test]
     fn test_date() {
         assert_eq!(
-            "Sun, 07 Nov 1994 08:48:37 GMT"
-                .parse::<HttpDate>()
-                .unwrap(),
+            "Sun, 07 Nov 1994 08:48:37 GMT".parse::<HttpDate>().unwrap(),
             NOV_07
         );
         assert_eq!(
@@ -117,9 +115,7 @@ mod tests {
             NOV_07
         );
         assert_eq!(
-            "Sun Nov  7 08:48:37 1994"
-                .parse::<HttpDate>()
-                .unwrap(),
+            "Sun Nov  7 08:48:37 1994".parse::<HttpDate>().unwrap(),
             NOV_07
         );
         assert!("this-is-no-date".parse::<HttpDate>().is_err());

src/header/shared/quality_item.rs

@@ -63,11 +63,7 @@ impl<T: fmt::Display> fmt::Display for QualityItem<T> {
         match self.quality.0 {
             1000 => Ok(()),
             0 => f.write_str("; q=0"),
-            x => write!(
-                f,
-                "; q=0.{}",
-                format!("{:03}", x).trim_right_matches('0')
-            ),
+            x => write!(f, "; q=0.{}", format!("{:03}", x).trim_right_matches('0')),
         }
     }
 }
@@ -295,10 +291,6 @@ mod tests {
     #[test]
     fn test_fuzzing_bugs() {
         assert!("99999;".parse::<QualityItem<String>>().is_err());
-        assert!(
-            "\x0d;;;=\u{d6aa}=="
-                .parse::<QualityItem<String>>()
-                .is_err()
-        )
+        assert!("\x0d;;;=\u{d6aa}==".parse::<QualityItem<String>>().is_err())
     }
 }

src/helpers.rs

@@ -190,16 +190,8 @@ mod tests {
         // trailing slashes
         let params = vec![
             ("/resource1", "", StatusCode::OK),
-            (
-                "/resource1/",
-                "/resource1",
-                StatusCode::MOVED_PERMANENTLY,
-            ),
-            (
-                "/resource2",
-                "/resource2/",
-                StatusCode::MOVED_PERMANENTLY,
-            ),
+            ("/resource1/", "/resource1", StatusCode::MOVED_PERMANENTLY),
+            ("/resource2", "/resource2/", StatusCode::MOVED_PERMANENTLY),
             ("/resource2/", "", StatusCode::OK),
             ("/resource1?p1=1&p2=2", "", StatusCode::OK),
             (
@@ -222,11 +214,7 @@ mod tests {
             if !target.is_empty() {
                 assert_eq!(
                     target,
-                    r.headers()
-                        .get(header::LOCATION)
-                        .unwrap()
-                        .to_str()
-                        .unwrap()
+                    r.headers().get(header::LOCATION).unwrap().to_str().unwrap()
                 );
             }
         }
@@ -276,16 +264,8 @@ mod tests {
         // trailing slashes
         let params = vec![
             ("/resource1/a/b", "", StatusCode::OK),
-            (
-                "/resource1/",
-                "/resource1",
-                StatusCode::MOVED_PERMANENTLY,
-            ),
-            (
-                "/resource1//",
-                "/resource1",
-                StatusCode::MOVED_PERMANENTLY,
-            ),
+            ("/resource1/", "/resource1", StatusCode::MOVED_PERMANENTLY),
+            ("/resource1//", "/resource1", StatusCode::MOVED_PERMANENTLY),
             (
                 "//resource1//a//b",
                 "/resource1/a/b",
@@ -356,11 +336,7 @@ mod tests {
             if !target.is_empty() {
                 assert_eq!(
                     target,
-                    r.headers()
-                        .get(header::LOCATION)
-                        .unwrap()
-                        .to_str()
-                        .unwrap()
+                    r.headers().get(header::LOCATION).unwrap().to_str().unwrap()
                 );
             }
         }
@@ -540,11 +516,7 @@ mod tests {
             if !target.is_empty() {
                 assert_eq!(
                     target,
-                    r.headers()
-                        .get(header::LOCATION)
-                        .unwrap()
-                        .to_str()
-                        .unwrap()
+                    r.headers().get(header::LOCATION).unwrap().to_str().unwrap()
                 );
             }
         }

src/httpcodes.rs

@@ -55,10 +55,7 @@ impl HttpResponse {
     STATIC_RESP!(PreconditionFailed, StatusCode::PRECONDITION_FAILED);
     STATIC_RESP!(PayloadTooLarge, StatusCode::PAYLOAD_TOO_LARGE);
     STATIC_RESP!(UriTooLong, StatusCode::URI_TOO_LONG);
-    STATIC_RESP!(
-        UnsupportedMediaType,
-        StatusCode::UNSUPPORTED_MEDIA_TYPE
-    );
+    STATIC_RESP!(UnsupportedMediaType, StatusCode::UNSUPPORTED_MEDIA_TYPE);
     STATIC_RESP!(RangeNotSatisfiable, StatusCode::RANGE_NOT_SATISFIABLE);
     STATIC_RESP!(ExpectationFailed, StatusCode::EXPECTATION_FAILED);
 
@@ -67,14 +64,8 @@ impl HttpResponse {
     STATIC_RESP!(BadGateway, StatusCode::BAD_GATEWAY);
     STATIC_RESP!(ServiceUnavailable, StatusCode::SERVICE_UNAVAILABLE);
     STATIC_RESP!(GatewayTimeout, StatusCode::GATEWAY_TIMEOUT);
-    STATIC_RESP!(
-        VersionNotSupported,
-        StatusCode::HTTP_VERSION_NOT_SUPPORTED
-    );
-    STATIC_RESP!(
-        VariantAlsoNegotiates,
-        StatusCode::VARIANT_ALSO_NEGOTIATES
-    );
+    STATIC_RESP!(VersionNotSupported, StatusCode::HTTP_VERSION_NOT_SUPPORTED);
+    STATIC_RESP!(VariantAlsoNegotiates, StatusCode::VARIANT_ALSO_NEGOTIATES);
     STATIC_RESP!(InsufficientStorage, StatusCode::INSUFFICIENT_STORAGE);
     STATIC_RESP!(LoopDetected, StatusCode::LOOP_DETECTED);
 }

src/httpmessage.rs

@@ -11,7 +11,9 @@ use serde::de::DeserializeOwned;
 use serde_urlencoded;
 use std::str;
 
-use error::{ContentTypeError, HttpRangeError, ParseError, PayloadError, UrlencodedError};
+use error::{
+    ContentTypeError, HttpRangeError, ParseError, PayloadError, UrlencodedError,
+};
 use header::Header;
 use json::JsonBody;
 use multipart::Multipart;
@@ -96,10 +98,8 @@ pub trait HttpMessage {
     /// `size` is full size of response (file).
     fn range(&self, size: u64) -> Result<Vec<HttpRange>, HttpRangeError> {
         if let Some(range) = self.headers().get(header::RANGE) {
-            HttpRange::parse(
-                unsafe { str::from_utf8_unchecked(range.as_bytes()) },
-                size,
-            ).map_err(|e| e.into())
+            HttpRange::parse(unsafe { str::from_utf8_unchecked(range.as_bytes()) }, size)
+                .map_err(|e| e.into())
         } else {
             Ok(Vec::new())
         }
@@ -385,12 +385,12 @@ where
             if req.content_type().to_lowercase() != "application/x-www-form-urlencoded" {
                 return Err(UrlencodedError::ContentType);
             }
-            let encoding = req.encoding()
-                .map_err(|_| UrlencodedError::ContentType)?;
+            let encoding = req.encoding().map_err(|_| UrlencodedError::ContentType)?;
 
             // future
             let limit = self.limit;
-            let fut = req.from_err()
+            let fut = req
+                .from_err()
                 .fold(BytesMut::new(), move |mut body, chunk| {
                     if (body.len() + chunk.len()) > limit {
                         Err(UrlencodedError::Overflow)
@@ -488,10 +488,7 @@ mod tests {
     #[test]
     fn test_encoding_error() {
         let req = TestRequest::with_header("content-type", "applicatjson").finish();
-        assert_eq!(
-            Some(ContentTypeError::ParseError),
-            req.encoding().err()
-        );
+        assert_eq!(Some(ContentTypeError::ParseError), req.encoding().err());
 
         let req = TestRequest::with_header(
             "content-type",
@@ -664,8 +661,7 @@ mod tests {
         }
 
         let mut req = HttpRequest::default();
-        req.payload_mut()
-            .unread_data(Bytes::from_static(b"test"));
+        req.payload_mut().unread_data(Bytes::from_static(b"test"));
         match req.body().poll().ok().unwrap() {
             Async::Ready(bytes) => assert_eq!(bytes, Bytes::from_static(b"test")),
             _ => unreachable!("error"),

src/httprequest.rs

@@ -27,7 +27,6 @@ use uri::Url as InnerUrl;
 
 bitflags! {
     pub(crate) struct MessageFlags: u8 {
-        const QUERY = 0b0000_0001;
         const KEEPALIVE = 0b0000_0010;
     }
 }
@@ -40,8 +39,6 @@ pub struct HttpInnerMessage {
     pub headers: HeaderMap,
     pub extensions: Extensions,
     pub params: Params<'static>,
-    pub cookies: Option<Vec<Cookie<'static>>>,
-    pub query: Params<'static>,
     pub addr: Option<SocketAddr>,
     pub payload: Option<Payload>,
     pub info: Option<ConnectionInfo<'static>>,
@@ -49,6 +46,9 @@ pub struct HttpInnerMessage {
     resource: RouterResource,
 }
 
+struct Query(Params<'static>);
+struct Cookies(Vec<Cookie<'static>>);
+
 #[derive(Debug, Copy, Clone, PartialEq)]
 enum RouterResource {
     Notset,
@@ -64,9 +64,7 @@ impl Default for HttpInnerMessage {
             headers: HeaderMap::with_capacity(16),
             flags: MessageFlags::empty(),
             params: Params::new(),
-            query: Params::new(),
             addr: None,
-            cookies: None,
             payload: None,
             extensions: Extensions::new(),
             info: None,
@@ -91,7 +89,6 @@ impl HttpInnerMessage {
         self.addr = None;
         self.info = None;
         self.flags = MessageFlags::empty();
-        self.cookies = None;
         self.payload = None;
         self.prefix = 0;
         self.resource = RouterResource::Notset;
@@ -121,9 +118,7 @@ impl HttpRequest<()> {
                 headers,
                 payload,
                 params: Params::new(),
-                query: Params::new(),
                 extensions: Extensions::new(),
-                cookies: None,
                 addr: None,
                 info: None,
                 prefix: 0,
@@ -369,20 +364,20 @@ impl<S> HttpRequest<S> {
     }
 
     #[doc(hidden)]
-    #[deprecated(since = "0.6.0", note = "please use `Query<T>` extractor")]
     /// Get a reference to the Params object.
     /// Params is a container for url query parameters.
-    pub fn query(&self) -> &Params {
-        if !self.as_ref().flags.contains(MessageFlags::QUERY) {
-            self.as_mut().flags.insert(MessageFlags::QUERY);
-            let params: &mut Params =
-                unsafe { mem::transmute(&mut self.as_mut().query) };
-            params.clear();
+    pub fn query<'a>(&'a self) -> &'a Params {
+        if self.extensions().get::<Query>().is_none() {
+            let mut params: Params<'a> = Params::new();
             for (key, val) in form_urlencoded::parse(self.query_string().as_ref()) {
                 params.add(key, val);
             }
+            let params: Params<'static> = unsafe { mem::transmute(params) };
+            self.as_mut().extensions.insert(Query(params));
         }
-        unsafe { mem::transmute(&self.as_ref().query) }
+        let params: &Params<'a> =
+            unsafe { mem::transmute(&self.extensions().get::<Query>().unwrap().0) };
+        params
     }
 
     /// The query string in the URL.
@@ -399,7 +394,7 @@ impl<S> HttpRequest<S> {
 
     /// Load request cookies.
     pub fn cookies(&self) -> Result<&Vec<Cookie<'static>>, CookieParseError> {
-        if self.as_ref().cookies.is_none() {
+        if self.extensions().get::<Query>().is_none() {
             let msg = self.as_mut();
             let mut cookies = Vec::new();
             for hdr in msg.headers.get_all(header::COOKIE) {
@@ -410,9 +405,9 @@ impl<S> HttpRequest<S> {
                     }
                 }
             }
-            msg.cookies = Some(cookies);
+            msg.extensions.insert(Cookies(cookies));
         }
-        Ok(&self.as_ref().cookies.as_ref().unwrap())
+        Ok(&self.extensions().get::<Cookies>().unwrap().0)
     }
 
     /// Return request cookie.
@@ -427,6 +422,12 @@ impl<S> HttpRequest<S> {
         None
     }
 
+    pub(crate) fn set_cookies(&mut self, cookies: Option<Vec<Cookie<'static>>>) {
+        if let Some(cookies) = cookies {
+            self.extensions_mut().insert(Cookies(cookies));
+        }
+    }
+
     /// Get a reference to the Params object.
     ///
     /// Params is a container for url parameters.
@@ -664,10 +665,8 @@ mod tests {
 
         let mut resource = ResourceHandler::<()>::default();
         resource.name("index");
-        let routes = vec![(
-            Resource::new("index", "/user/{name}.{ext}"),
-            Some(resource),
-        )];
+        let routes =
+            vec![(Resource::new("index", "/user/{name}.{ext}"), Some(resource))];
         let (router, _) = Router::new("/", ServerSettings::default(), routes);
         assert!(router.has_route("/user/test.html"));
         assert!(!router.has_route("/test/unknown"));
@@ -696,10 +695,8 @@ mod tests {
 
         let mut resource = ResourceHandler::<()>::default();
         resource.name("index");
-        let routes = vec![(
-            Resource::new("index", "/user/{name}.{ext}"),
-            Some(resource),
-        )];
+        let routes =
+            vec![(Resource::new("index", "/user/{name}.{ext}"), Some(resource))];
         let (router, _) = Router::new("/prefix/", ServerSettings::default(), routes);
         assert!(router.has_route("/user/test.html"));
         assert!(!router.has_route("/prefix/user/test.html"));

src/httpresponse.rs

@@ -466,10 +466,7 @@ impl HttpResponseBuilder {
             jar.add(cookie.into_owned());
             self.cookies = Some(jar)
         } else {
-            self.cookies
-                .as_mut()
-                .unwrap()
-                .add(cookie.into_owned());
+            self.cookies.as_mut().unwrap().add(cookie.into_owned());
         }
         self
     }
@@ -534,9 +531,7 @@ impl HttpResponseBuilder {
         if let Some(e) = self.err.take() {
             return Error::from(e).into();
         }
-        let mut response = self.response
-            .take()
-            .expect("cannot reuse response builder");
+        let mut response = self.response.take().expect("cannot reuse response builder");
         if let Some(ref jar) = self.cookies {
             for cookie in jar.delta() {
                 match HeaderValue::from_str(&cookie.to_string()) {
@@ -558,9 +553,7 @@ impl HttpResponseBuilder {
         S: Stream<Item = Bytes, Error = E> + 'static,
         E: Into<Error>,
     {
-        self.body(Body::Streaming(Box::new(
-            stream.map_err(|e| e.into()),
-        )))
+        self.body(Body::Streaming(Box::new(stream.map_err(|e| e.into()))))
     }
 
     /// Set a json body and generate `HttpResponse`
@@ -654,7 +647,8 @@ impl Responder for &'static str {
     type Error = Error;
 
     fn respond_to<S>(self, req: &HttpRequest<S>) -> Result<HttpResponse, Error> {
-        Ok(req.build_response(StatusCode::OK)
+        Ok(req
+            .build_response(StatusCode::OK)
             .content_type("text/plain; charset=utf-8")
             .body(self))
     }
@@ -673,7 +667,8 @@ impl Responder for &'static [u8] {
     type Error = Error;
 
     fn respond_to<S>(self, req: &HttpRequest<S>) -> Result<HttpResponse, Error> {
-        Ok(req.build_response(StatusCode::OK)
+        Ok(req
+            .build_response(StatusCode::OK)
             .content_type("application/octet-stream")
             .body(self))
     }
@@ -692,7 +687,8 @@ impl Responder for String {
     type Error = Error;
 
     fn respond_to<S>(self, req: &HttpRequest<S>) -> Result<HttpResponse, Error> {
-        Ok(req.build_response(StatusCode::OK)
+        Ok(req
+            .build_response(StatusCode::OK)
             .content_type("text/plain; charset=utf-8")
             .body(self))
     }
@@ -711,7 +707,8 @@ impl<'a> Responder for &'a String {
     type Error = Error;
 
     fn respond_to<S>(self, req: &HttpRequest<S>) -> Result<HttpResponse, Error> {
-        Ok(req.build_response(StatusCode::OK)
+        Ok(req
+            .build_response(StatusCode::OK)
             .content_type("text/plain; charset=utf-8")
             .body(self))
     }
@@ -730,7 +727,8 @@ impl Responder for Bytes {
     type Error = Error;
 
     fn respond_to<S>(self, req: &HttpRequest<S>) -> Result<HttpResponse, Error> {
-        Ok(req.build_response(StatusCode::OK)
+        Ok(req
+            .build_response(StatusCode::OK)
             .content_type("application/octet-stream")
             .body(self))
     }
@@ -749,7 +747,8 @@ impl Responder for BytesMut {
     type Error = Error;
 
     fn respond_to<S>(self, req: &HttpRequest<S>) -> Result<HttpResponse, Error> {
-        Ok(req.build_response(StatusCode::OK)
+        Ok(req
+            .build_response(StatusCode::OK)
             .content_type("application/octet-stream")
             .body(self))
     }
@@ -822,9 +821,9 @@ thread_local!(static POOL: Rc<UnsafeCell<HttpResponsePool>> = HttpResponsePool::
 
 impl HttpResponsePool {
     pub fn pool() -> Rc<UnsafeCell<HttpResponsePool>> {
-        Rc::new(UnsafeCell::new(HttpResponsePool(
-            VecDeque::with_capacity(128),
-        )))
+        Rc::new(UnsafeCell::new(HttpResponsePool(VecDeque::with_capacity(
+            128,
+        ))))
     }
 
     #[inline]
@@ -944,7 +943,8 @@ mod tests {
             .del_cookie(&cookies[0])
             .finish();
 
-        let mut val: Vec<_> = resp.headers()
+        let mut val: Vec<_> = resp
+            .headers()
             .get_all("Set-Cookie")
             .iter()
             .map(|v| v.to_str().unwrap().to_owned())
@@ -975,9 +975,7 @@ mod tests {
 
     #[test]
     fn test_force_close() {
-        let resp = HttpResponse::build(StatusCode::OK)
-            .force_close()
-            .finish();
+        let resp = HttpResponse::build(StatusCode::OK).force_close().finish();
         assert!(!resp.keep_alive().unwrap())
     }
 
@@ -986,10 +984,7 @@ mod tests {
         let resp = HttpResponse::build(StatusCode::OK)
             .content_type("text/plain")
             .body(Body::Empty);
-        assert_eq!(
-            resp.headers().get(CONTENT_TYPE).unwrap(),
-            "text/plain"
-        )
+        assert_eq!(resp.headers().get(CONTENT_TYPE).unwrap(), "text/plain")
     }
 
     #[test]
@@ -1036,10 +1031,10 @@ mod tests {
     }
 
     impl Body {
-        pub(crate) fn binary(&self) -> Option<&Binary> {
+        pub(crate) fn bin_ref(&self) -> &Binary {
             match *self {
-                Body::Binary(ref bin) => Some(bin),
-                _ => None,
+                Body::Binary(ref bin) => bin,
+                _ => panic!(),
             }
         }
     }
@@ -1055,7 +1050,7 @@ mod tests {
             HeaderValue::from_static("text/plain; charset=utf-8")
         );
         assert_eq!(resp.status(), StatusCode::OK);
-        assert_eq!(resp.body().binary().unwrap(), &Binary::from("test"));
+        assert_eq!(resp.body().bin_ref(), &Binary::from("test"));
 
         let resp: HttpResponse = "test".respond_to(&req).ok().unwrap();
         assert_eq!(resp.status(), StatusCode::OK);
@@ -1064,7 +1059,7 @@ mod tests {
             HeaderValue::from_static("text/plain; charset=utf-8")
         );
         assert_eq!(resp.status(), StatusCode::OK);
-        assert_eq!(resp.body().binary().unwrap(), &Binary::from("test"));
+        assert_eq!(resp.body().bin_ref(), &Binary::from("test"));
 
         let resp: HttpResponse = b"test".as_ref().into();
         assert_eq!(resp.status(), StatusCode::OK);
@@ -1073,10 +1068,7 @@ mod tests {
             HeaderValue::from_static("application/octet-stream")
         );
         assert_eq!(resp.status(), StatusCode::OK);
-        assert_eq!(
-            resp.body().binary().unwrap(),
-            &Binary::from(b"test".as_ref())
-        );
+        assert_eq!(resp.body().bin_ref(), &Binary::from(b"test".as_ref()));
 
         let resp: HttpResponse = b"test".as_ref().respond_to(&req).ok().unwrap();
         assert_eq!(resp.status(), StatusCode::OK);
@@ -1085,10 +1077,7 @@ mod tests {
             HeaderValue::from_static("application/octet-stream")
         );
         assert_eq!(resp.status(), StatusCode::OK);
-        assert_eq!(
-            resp.body().binary().unwrap(),
-            &Binary::from(b"test".as_ref())
-        );
+        assert_eq!(resp.body().bin_ref(), &Binary::from(b"test".as_ref()));
 
         let resp: HttpResponse = "test".to_owned().into();
         assert_eq!(resp.status(), StatusCode::OK);
@@ -1097,10 +1086,7 @@ mod tests {
             HeaderValue::from_static("text/plain; charset=utf-8")
         );
         assert_eq!(resp.status(), StatusCode::OK);
-        assert_eq!(
-            resp.body().binary().unwrap(),
-            &Binary::from("test".to_owned())
-        );
+        assert_eq!(resp.body().bin_ref(), &Binary::from("test".to_owned()));
 
         let resp: HttpResponse = "test".to_owned().respond_to(&req).ok().unwrap();
         assert_eq!(resp.status(), StatusCode::OK);
@@ -1109,10 +1095,7 @@ mod tests {
             HeaderValue::from_static("text/plain; charset=utf-8")
         );
         assert_eq!(resp.status(), StatusCode::OK);
-        assert_eq!(
-            resp.body().binary().unwrap(),
-            &Binary::from("test".to_owned())
-        );
+        assert_eq!(resp.body().bin_ref(), &Binary::from("test".to_owned()));
 
         let resp: HttpResponse = (&"test".to_owned()).into();
         assert_eq!(resp.status(), StatusCode::OK);
@@ -1121,10 +1104,7 @@ mod tests {
             HeaderValue::from_static("text/plain; charset=utf-8")
         );
         assert_eq!(resp.status(), StatusCode::OK);
-        assert_eq!(
-            resp.body().binary().unwrap(),
-            &Binary::from(&"test".to_owned())
-        );
+        assert_eq!(resp.body().bin_ref(), &Binary::from(&"test".to_owned()));
 
         let resp: HttpResponse = (&"test".to_owned()).respond_to(&req).ok().unwrap();
         assert_eq!(resp.status(), StatusCode::OK);
@@ -1133,10 +1113,7 @@ mod tests {
             HeaderValue::from_static("text/plain; charset=utf-8")
         );
         assert_eq!(resp.status(), StatusCode::OK);
-        assert_eq!(
-            resp.body().binary().unwrap(),
-            &Binary::from(&"test".to_owned())
-        );
+        assert_eq!(resp.body().bin_ref(), &Binary::from(&"test".to_owned()));
 
         let b = Bytes::from_static(b"test");
         let resp: HttpResponse = b.into();
@@ -1147,7 +1124,7 @@ mod tests {
         );
         assert_eq!(resp.status(), StatusCode::OK);
         assert_eq!(
-            resp.body().binary().unwrap(),
+            resp.body().bin_ref(),
             &Binary::from(Bytes::from_static(b"test"))
         );
 
@@ -1160,7 +1137,7 @@ mod tests {
         );
         assert_eq!(resp.status(), StatusCode::OK);
         assert_eq!(
-            resp.body().binary().unwrap(),
+            resp.body().bin_ref(),
             &Binary::from(Bytes::from_static(b"test"))
         );
 
@@ -1172,10 +1149,7 @@ mod tests {
             HeaderValue::from_static("application/octet-stream")
         );
         assert_eq!(resp.status(), StatusCode::OK);
-        assert_eq!(
-            resp.body().binary().unwrap(),
-            &Binary::from(BytesMut::from("test"))
-        );
+        assert_eq!(resp.body().bin_ref(), &Binary::from(BytesMut::from("test")));
 
         let b = BytesMut::from("test");
         let resp: HttpResponse = b.respond_to(&req).ok().unwrap();
@@ -1185,10 +1159,7 @@ mod tests {
             HeaderValue::from_static("application/octet-stream")
         );
         assert_eq!(resp.status(), StatusCode::OK);
-        assert_eq!(
-            resp.body().binary().unwrap(),
-            &Binary::from(BytesMut::from("test"))
-        );
+        assert_eq!(resp.body().bin_ref(), &Binary::from(BytesMut::from("test")));
     }
 
     #[test]

src/info.rs

@@ -53,7 +53,8 @@ impl<'a> ConnectionInfo<'a> {
 
         // scheme
         if scheme.is_none() {
-            if let Some(h) = req.headers()
+            if let Some(h) = req
+                .headers()
                 .get(HeaderName::from_str(X_FORWARDED_PROTO).unwrap())
             {
                 if let Ok(h) = h.to_str() {
@@ -74,7 +75,8 @@ impl<'a> ConnectionInfo<'a> {
 
         // host
         if host.is_none() {
-            if let Some(h) = req.headers()
+            if let Some(h) = req
+                .headers()
                 .get(HeaderName::from_str(X_FORWARDED_HOST).unwrap())
             {
                 if let Ok(h) = h.to_str() {
@@ -98,7 +100,8 @@ impl<'a> ConnectionInfo<'a> {
 
         // remote addr
         if remote.is_none() {
-            if let Some(h) = req.headers()
+            if let Some(h) = req
+                .headers()
                 .get(HeaderName::from_str(X_FORWARDED_FOR).unwrap())
             {
                 if let Ok(h) = h.to_str() {
@@ -189,10 +192,8 @@ mod tests {
         assert_eq!(info.remote(), Some("192.0.2.60"));
 
         let mut req = HttpRequest::default();
-        req.headers_mut().insert(
-            header::HOST,
-            HeaderValue::from_static("rust-lang.org"),
-        );
+        req.headers_mut()
+            .insert(header::HOST, HeaderValue::from_static("rust-lang.org"));
 
         let info = ConnectionInfo::new(&req);
         assert_eq!(info.scheme(), "http");

src/json.rs

@@ -121,7 +121,8 @@ impl<T: Serialize> Responder for Json<T> {
     fn respond_to<S>(self, req: &HttpRequest<S>) -> Result<HttpResponse, Error> {
         let body = serde_json::to_string(&self.0)?;
 
-        Ok(req.build_response(StatusCode::OK)
+        Ok(req
+            .build_response(StatusCode::OK)
             .content_type("application/json")
             .body(body))
     }
@@ -295,7 +296,8 @@ where
             }
 
             let limit = self.limit;
-            let fut = req.from_err()
+            let fut = req
+                .from_err()
                 .fold(BytesMut::new(), move |mut body, chunk| {
                     if (body.len() + chunk.len()) > limit {
                         Err(JsonPayloadError::Overflow)
@@ -362,10 +364,7 @@ mod tests {
     fn test_json_body() {
         let req = HttpRequest::default();
         let mut json = req.json::<MyObject>();
-        assert_eq!(
-            json.poll().err().unwrap(),
-            JsonPayloadError::ContentType
-        );
+        assert_eq!(json.poll().err().unwrap(), JsonPayloadError::ContentType);
 
         let mut req = HttpRequest::default();
         req.headers_mut().insert(
@@ -373,10 +372,7 @@ mod tests {
             header::HeaderValue::from_static("application/text"),
         );
         let mut json = req.json::<MyObject>();
-        assert_eq!(
-            json.poll().err().unwrap(),
-            JsonPayloadError::ContentType
-        );
+        assert_eq!(json.poll().err().unwrap(), JsonPayloadError::ContentType);
 
         let mut req = HttpRequest::default();
         req.headers_mut().insert(

src/lib.rs

@@ -60,7 +60,21 @@
 //! * Middlewares (`Logger`, `Session`, `CORS`, `CSRF`, `DefaultHeaders`)
 //! * Built on top of [Actix actor framework](https://github.com/actix/actix)
 //! * Supported Rust version: 1.24 or later
-
+//!
+//! ## Package feature
+//!
+//! * `tls` - enables ssl support via `native-tls` crate
+//! * `alpn` - enables ssl support via `openssl` crate, require for `http/2`
+//!    support
+//! * `session` - enables session support, includes `ring` crate as
+//!   dependency
+//! * `brotli` - enables `brotli` compression support, requires `c`
+//!   compiler
+//! * `flate-c` - enables `gzip`, `deflate` compression support, requires
+//!   `c` compiler
+//! * `flate-rust` - experimental rust based implementation for
+//!   `gzip`, `deflate` compression.
+//!
 #![cfg_attr(actix_nightly, feature(
     specialization, // for impl ErrorResponse for std::error::Error
 ))]
@@ -169,12 +183,17 @@ pub use body::{Binary, Body};
 pub use context::HttpContext;
 pub use error::{Error, ResponseError, Result};
 pub use extractor::{Form, Path, Query};
-pub use handler::{AsyncResponder, Either, FromRequest, FutureResponse, Responder, State};
+pub use handler::{
+    AsyncResponder, Either, FromRequest, FutureResponse, Responder, State,
+};
 pub use httpmessage::HttpMessage;
 pub use httprequest::HttpRequest;
 pub use httpresponse::HttpResponse;
 pub use json::Json;
 pub use scope::Scope;
+
+#[doc(hidden)]
+#[deprecated(since = "0.6.2", note = "please use `use actix_web::ws::WsWriter`")]
 pub use ws::WsWriter;
 
 #[cfg(feature = "openssl")]
@@ -210,6 +229,7 @@ pub mod dev {
     pub use resource::ResourceHandler;
     pub use route::Route;
     pub use router::{Resource, ResourceType, Router};
+    pub use with::ExtractorConfig;
 }
 
 pub mod http {

src/middleware/cors.rs

@@ -275,9 +275,7 @@ impl Cors {
     /// `ResourceHandler::middleware()` method, but in that case *Cors*
     /// middleware wont be able to handle *OPTIONS* requests.
     pub fn register<S: 'static>(self, resource: &mut ResourceHandler<S>) {
-        resource
-            .method(Method::OPTIONS)
-            .h(|_| HttpResponse::Ok());
+        resource.method(Method::OPTIONS).h(|_| HttpResponse::Ok());
         resource.middleware(self);
     }
 
@@ -304,12 +302,11 @@ impl Cors {
     fn validate_allowed_method<S>(
         &self, req: &mut HttpRequest<S>,
     ) -> Result<(), CorsError> {
-        if let Some(hdr) = req.headers()
-            .get(header::ACCESS_CONTROL_REQUEST_METHOD)
-        {
+        if let Some(hdr) = req.headers().get(header::ACCESS_CONTROL_REQUEST_METHOD) {
             if let Ok(meth) = hdr.to_str() {
                 if let Ok(method) = Method::try_from(meth) {
-                    return self.inner
+                    return self
+                        .inner
                         .methods
                         .get(&method)
                         .and_then(|_| Some(()))
@@ -328,8 +325,8 @@ impl Cors {
         match self.inner.headers {
             AllOrSome::All => Ok(()),
             AllOrSome::Some(ref allowed_headers) => {
-                if let Some(hdr) = req.headers()
-                    .get(header::ACCESS_CONTROL_REQUEST_HEADERS)
+                if let Some(hdr) =
+                    req.headers().get(header::ACCESS_CONTROL_REQUEST_HEADERS)
                 {
                     if let Ok(headers) = hdr.to_str() {
                         let mut hdrs = HashSet::new();
@@ -371,8 +368,8 @@ impl<S> Middleware<S> for Cors {
                             .as_str()[1..],
                     ).unwrap(),
                 )
-            } else if let Some(hdr) = req.headers()
-                .get(header::ACCESS_CONTROL_REQUEST_HEADERS)
+            } else if let Some(hdr) =
+                req.headers().get(header::ACCESS_CONTROL_REQUEST_HEADERS)
             {
                 Some(hdr.clone())
             } else {
@@ -413,7 +410,8 @@ impl<S> Middleware<S> for Cors {
                     })
                     .header(
                         header::ACCESS_CONTROL_ALLOW_METHODS,
-                        &self.inner
+                        &self
+                            .inner
                             .methods
                             .iter()
                             .fold(String::new(), |s, v| s + "," + v.as_str())
@@ -866,7 +864,8 @@ impl<S: 'static> CorsBuilder<S> {
         }
 
         let cors = self.construct();
-        let mut app = self.app
+        let mut app = self
+            .app
             .take()
             .expect("CorsBuilder has to be constructed with Cors::for_app(app)");
 
@@ -1094,9 +1093,8 @@ mod tests {
             resp.headers().get(header::VARY).unwrap().as_bytes()
         );
 
-        let resp: HttpResponse = HttpResponse::Ok()
-            .header(header::VARY, "Accept")
-            .finish();
+        let resp: HttpResponse =
+            HttpResponse::Ok().header(header::VARY, "Accept").finish();
         let resp = cors.response(&mut req, resp).unwrap().response();
         assert_eq!(
             &b"Accept, Origin"[..],
@@ -1133,7 +1131,8 @@ mod tests {
         let response = srv.execute(request.send()).unwrap();
         assert_eq!(response.status(), StatusCode::BAD_REQUEST);
 
-        let request = srv.get()
+        let request = srv
+            .get()
             .uri(srv.url("/test"))
             .header("ORIGIN", "https://www.example.com")
             .finish()

src/middleware/defaultheaders.rs

@@ -112,9 +112,7 @@ mod tests {
         };
         assert_eq!(resp.headers().get(CONTENT_TYPE).unwrap(), "0001");
 
-        let resp = HttpResponse::Ok()
-            .header(CONTENT_TYPE, "0002")
-            .finish();
+        let resp = HttpResponse::Ok().header(CONTENT_TYPE, "0002").finish();
         let resp = match mw.response(&mut req, resp) {
             Ok(Response::Done(resp)) => resp,
             _ => panic!(),

src/middleware/identity.rs

@@ -179,7 +179,8 @@ impl<S: 'static, T: IdentityPolicy<S>> Middleware<S> for IdentityService<T> {
     fn start(&self, req: &mut HttpRequest<S>) -> Result<Started> {
         let mut req = req.clone();
 
-        let fut = self.backend
+        let fut = self
+            .backend
             .from_request(&mut req)
             .then(move |res| match res {
                 Ok(id) => {

src/middleware/logger.rs

@@ -1,7 +1,7 @@
 //! Request logging middleware
+use std::collections::HashSet;
 use std::env;
-use std::fmt;
-use std::fmt::{Display, Formatter};
+use std::fmt::{self, Display, Formatter};
 
 use libc;
 use regex::Regex;
@@ -74,6 +74,7 @@ use middleware::{Finished, Middleware, Started};
 ///
 pub struct Logger {
     format: Format,
+    exclude: HashSet<String>,
 }
 
 impl Logger {
@@ -81,8 +82,15 @@ impl Logger {
     pub fn new(format: &str) -> Logger {
         Logger {
             format: Format::new(format),
+            exclude: HashSet::new(),
         }
     }
+
+    /// Ignore and do not log access info for specified path.
+    pub fn exclude<T: Into<String>>(mut self, path: T) -> Self {
+        self.exclude.insert(path.into());
+        self
+    }
 }
 
 impl Default for Logger {
@@ -94,6 +102,7 @@ impl Default for Logger {
     fn default() -> Logger {
         Logger {
             format: Format::default(),
+            exclude: HashSet::new(),
         }
     }
 }
@@ -102,21 +111,23 @@ struct StartTime(time::Tm);
 
 impl Logger {
     fn log<S>(&self, req: &mut HttpRequest<S>, resp: &HttpResponse) {
-        let entry_time = req.extensions().get::<StartTime>().unwrap().0;
-
-        let render = |fmt: &mut Formatter| {
-            for unit in &self.format.0 {
-                unit.render(fmt, req, resp, entry_time)?;
-            }
-            Ok(())
-        };
-        info!("{}", FormatDisplay(&render));
+        if let Some(entry_time) = req.extensions().get::<StartTime>() {
+            let render = |fmt: &mut Formatter| {
+                for unit in &self.format.0 {
+                    unit.render(fmt, req, resp, entry_time.0)?;
+                }
+                Ok(())
+            };
+            info!("{}", FormatDisplay(&render));
+        }
     }
 }
 
 impl<S> Middleware<S> for Logger {
     fn start(&self, req: &mut HttpRequest<S>) -> Result<Started> {
-        req.extensions_mut().insert(StartTime(time::now()));
+        if !self.exclude.contains(req.path()) {
+            req.extensions_mut().insert(StartTime(time::now()));
+        }
         Ok(Started::Done)
     }
 
@@ -365,9 +376,7 @@ mod tests {
             headers,
             None,
         );
-        let resp = HttpResponse::build(StatusCode::OK)
-            .force_close()
-            .finish();
+        let resp = HttpResponse::build(StatusCode::OK).force_close().finish();
         let entry_time = time::now();
 
         let render = |fmt: &mut Formatter| {
@@ -388,9 +397,7 @@ mod tests {
             HeaderMap::new(),
             None,
         );
-        let resp = HttpResponse::build(StatusCode::OK)
-            .force_close()
-            .finish();
+        let resp = HttpResponse::build(StatusCode::OK).force_close().finish();
         let entry_time = time::now();
 
         let render = |fmt: &mut Formatter| {

src/middleware/session.rs

@@ -80,6 +80,7 @@ use serde_json::error::Error as JsonError;
 use time::Duration;
 
 use error::{Error, ResponseError, Result};
+use handler::FromRequest;
 use httprequest::HttpRequest;
 use httpresponse::HttpResponse;
 use middleware::{Middleware, Response, Started};
@@ -190,6 +191,34 @@ impl Session {
     }
 }
 
+/// Extractor implementation for Session type.
+///
+/// ```rust
+/// # use actix_web::*;
+/// use actix_web::middleware::session::Session;
+///
+/// fn index(session: Session) -> Result<&'static str> {
+///     // access session data
+///     if let Some(count) = session.get::<i32>("counter")? {
+///         session.set("counter", count+1)?;
+///     } else {
+///         session.set("counter", 1)?;
+///     }
+///
+///     Ok("Welcome!")
+/// }
+/// # fn main() {}
+/// ```
+impl<S> FromRequest<S> for Session {
+    type Config = ();
+    type Result = Session;
+
+    #[inline]
+    fn from_request(req: &HttpRequest<S>, _: &Self::Config) -> Self::Result {
+        req.session()
+    }
+}
+
 struct SessionImplCell(RefCell<Box<SessionImpl>>);
 
 #[doc(hidden)]
@@ -226,17 +255,14 @@ impl<S: 'static, T: SessionBackend<S>> Middleware<S> for SessionStorage<T, S> {
     fn start(&self, req: &mut HttpRequest<S>) -> Result<Started> {
         let mut req = req.clone();
 
-        let fut = self.0
-            .from_request(&mut req)
-            .then(move |res| match res {
-                Ok(sess) => {
-                    req.extensions_mut().insert(Arc::new(SessionImplCell(
-                        RefCell::new(Box::new(sess)),
-                    )));
-                    FutOk(None)
-                }
-                Err(err) => FutErr(err),
-            });
+        let fut = self.0.from_request(&mut req).then(move |res| match res {
+            Ok(sess) => {
+                req.extensions_mut()
+                    .insert(Arc::new(SessionImplCell(RefCell::new(Box::new(sess)))));
+                FutOk(None)
+            }
+            Err(err) => FutErr(err),
+        });
         Ok(Started::Future(Box::new(fut)))
     }
 
@@ -551,4 +577,24 @@ mod tests {
         let response = srv.execute(request.send()).unwrap();
         assert!(response.cookie("actix-session").is_some());
     }
+
+    #[test]
+    fn cookie_session_extractor() {
+        let mut srv = test::TestServer::with_factory(|| {
+            App::new()
+                .middleware(SessionStorage::new(
+                    CookieSessionBackend::signed(&[0; 32]).secure(false),
+                ))
+                .resource("/", |r| {
+                    r.with(|ses: Session| {
+                        let _ = ses.set("counter", 100);
+                        "test"
+                    })
+                })
+        });
+
+        let request = srv.get().uri(srv.url("/")).finish().unwrap();
+        let response = srv.execute(request.send()).unwrap();
+        assert!(response.cookie("actix-session").is_some());
+    }
 }

src/multipart.rs

@@ -122,11 +122,7 @@ where
         if let Some(err) = self.error.take() {
             Err(err)
         } else if self.safety.current() {
-            self.inner
-                .as_mut()
-                .unwrap()
-                .borrow_mut()
-                .poll(&self.safety)
+            self.inner.as_mut().unwrap().borrow_mut().poll(&self.safety)
         } else {
             Ok(Async::NotReady)
         }
@@ -175,11 +171,13 @@ where
             Async::NotReady => Ok(Async::NotReady),
             Async::Ready(None) => Err(MultipartError::Incomplete),
             Async::Ready(Some(chunk)) => {
-                if chunk.len() == boundary.len() + 4 && &chunk[..2] == b"--"
+                if chunk.len() == boundary.len() + 4
+                    && &chunk[..2] == b"--"
                     && &chunk[2..boundary.len() + 2] == boundary.as_bytes()
                 {
                     Ok(Async::Ready(false))
-                } else if chunk.len() == boundary.len() + 6 && &chunk[..2] == b"--"
+                } else if chunk.len() == boundary.len() + 6
+                    && &chunk[..2] == b"--"
                     && &chunk[2..boundary.len() + 2] == boundary.as_bytes()
                     && &chunk[boundary.len() + 2..boundary.len() + 4] == b"--"
                 {
@@ -514,7 +512,8 @@ where
                         Async::NotReady => Ok(Async::NotReady),
                         Async::Ready(None) => Err(MultipartError::Incomplete),
                         Async::Ready(Some(chunk)) => {
-                            if &chunk[..2] == b"\r\n" && &chunk[2..4] == b"--"
+                            if &chunk[..2] == b"\r\n"
+                                && &chunk[2..4] == b"--"
                                 && &chunk[4..] == boundary.as_bytes()
                             {
                                 payload.unread_data(chunk);

src/payload.rs

@@ -671,10 +671,7 @@ mod tests {
                 let (mut sender, payload) = Payload::new(false);
                 let mut payload = PayloadHelper::new(payload);
 
-                assert_eq!(
-                    Async::NotReady,
-                    payload.read_until(b"ne").ok().unwrap()
-                );
+                assert_eq!(Async::NotReady, payload.read_until(b"ne").ok().unwrap());
 
                 sender.feed_data(Bytes::from("line1"));
                 sender.feed_data(Bytes::from("line2"));

src/pipeline.rs

@@ -148,6 +148,7 @@ impl Pipeline<(), Inner<()>> {
 }
 
 impl<S: 'static, H> Pipeline<S, H> {
+    #[inline]
     fn is_done(&self) -> bool {
         match self.1 {
             PipelineState::None
@@ -192,7 +193,9 @@ impl<S: 'static, H: PipelineHandler<S>> HttpHandlerTask for Pipeline<S, H> {
             match self.1 {
                 PipelineState::None => return Ok(Async::Ready(true)),
                 PipelineState::Error => {
-                    return Err(io::Error::new(io::ErrorKind::Other, "Internal error").into())
+                    return Err(
+                        io::Error::new(io::ErrorKind::Other, "Internal error").into()
+                    )
                 }
                 _ => (),
             }
@@ -275,12 +278,12 @@ impl<S: 'static, H: PipelineHandler<S>> StartMiddlewares<S, H> {
                     if let Some(resp) = resp {
                         return Some(RunMiddlewares::init(info, resp));
                     }
-                    if info.count == len {
-                        let reply = unsafe { &mut *self.hnd.get() }
-                            .handle(info.req().clone(), self.htype);
-                        return Some(WaitingResponse::init(info, reply));
-                    } else {
-                        loop {
+                    loop {
+                        if info.count == len {
+                            let reply = unsafe { &mut *self.hnd.get() }
+                                .handle(info.req().clone(), self.htype);
+                            return Some(WaitingResponse::init(info, reply));
+                        } else {
                             match info.mws[info.count as usize].start(info.req_mut()) {
                                 Ok(Started::Done) => info.count += 1,
                                 Ok(Started::Response(resp)) => {
@@ -344,6 +347,7 @@ struct RunMiddlewares<S, H> {
 }
 
 impl<S: 'static, H> RunMiddlewares<S, H> {
+    #[inline]
     fn init(info: &mut PipelineInfo<S>, mut resp: HttpResponse) -> PipelineState<S, H> {
         if info.count == 0 {
             return ProcessResponse::init(resp);
@@ -492,8 +496,8 @@ impl<S: 'static, H> ProcessResponse<S, H> {
                             if let Some(err) = self.resp.error() {
                                 if self.resp.status().is_server_error() {
                                     error!(
-                                        "Error occured during request handling: {}",
-                                        err
+                                        "Error occured during request handling, status: {} {}",
+                                        self.resp.status(), err
                                     );
                                 } else {
                                     warn!(
@@ -676,6 +680,7 @@ struct FinishingMiddlewares<S, H> {
 }
 
 impl<S: 'static, H> FinishingMiddlewares<S, H> {
+    #[inline]
     fn init(info: &mut PipelineInfo<S>, resp: HttpResponse) -> PipelineState<S, H> {
         if info.count == 0 {
             Completed::init(info)

src/pred.rs

@@ -181,11 +181,7 @@ pub fn Header<S: 'static>(
 }
 
 #[doc(hidden)]
-pub struct HeaderPredicate<S>(
-    header::HeaderName,
-    header::HeaderValue,
-    PhantomData<S>,
-);
+pub struct HeaderPredicate<S>(header::HeaderName, header::HeaderValue, PhantomData<S>);
 
 impl<S: 'static> Predicate<S> for HeaderPredicate<S> {
     fn check(&self, req: &mut HttpRequest<S>) -> bool {

src/resource.rs

@@ -1,9 +1,11 @@
 use std::marker::PhantomData;
 use std::rc::Rc;
 
+use futures::Future;
 use http::{Method, StatusCode};
 use smallvec::SmallVec;
 
+use error::Error;
 use handler::{AsyncResult, FromRequest, Handler, Responder};
 use httprequest::HttpRequest;
 use httpresponse::HttpResponse;
@@ -132,10 +134,7 @@ impl<S: 'static> ResourceHandler<S> {
     /// ```
     pub fn method(&mut self, method: Method) -> &mut Route<S> {
         self.routes.push(Route::default());
-        self.routes
-            .last_mut()
-            .unwrap()
-            .filter(pred::Method(method))
+        self.routes.last_mut().unwrap().filter(pred::Method(method))
     }
 
     /// Register a new route and add handler object.
@@ -183,6 +182,25 @@ impl<S: 'static> ResourceHandler<S> {
         self.routes.last_mut().unwrap().with(handler);
     }
 
+    /// Register a new route and add async handler.
+    ///
+    /// This is shortcut for:
+    ///
+    /// ```rust,ignore
+    /// Application::resource("/", |r| r.route().with_async(index)
+    /// ```
+    pub fn with_async<T, F, R, I, E>(&mut self, handler: F)
+    where
+        F: Fn(T) -> R + 'static,
+        R: Future<Item = I, Error = E> + 'static,
+        I: Responder + 'static,
+        E: Into<Error> + 'static,
+        T: FromRequest<S> + 'static,
+    {
+        self.routes.push(Route::default());
+        self.routes.last_mut().unwrap().with_async(handler);
+    }
+
     /// Register a resource middleware
     ///
     /// This is similar to `App's` middlewares, but

src/route.rs

@@ -5,15 +5,19 @@ use std::rc::Rc;
 use futures::{Async, Future, Poll};
 
 use error::Error;
-use handler::{AsyncHandler, AsyncResult, AsyncResultItem, FromRequest, Handler,
-              Responder, RouteHandler, WrapHandler};
+use handler::{
+    AsyncHandler, AsyncResult, AsyncResultItem, FromRequest, Handler, Responder,
+    RouteHandler, WrapHandler,
+};
 use http::StatusCode;
 use httprequest::HttpRequest;
 use httpresponse::HttpResponse;
-use middleware::{Finished as MiddlewareFinished, Middleware,
-                 Response as MiddlewareResponse, Started as MiddlewareStarted};
+use middleware::{
+    Finished as MiddlewareFinished, Middleware, Response as MiddlewareResponse,
+    Started as MiddlewareStarted,
+};
 use pred::Predicate;
-use with::{ExtractorConfig, With, With2, With3};
+use with::{ExtractorConfig, With, With2, With3, WithAsync};
 
 /// Resource route definition
 ///
@@ -129,6 +133,34 @@ impl<S: 'static> Route<S> {
     ///        |r| r.method(http::Method::GET).with(index)); // <- use `with` extractor
     /// }
     /// ```
+    ///
+    /// It is possible to use tuples for specifing multiple extractors for one
+    /// handler function.
+    ///
+    /// ```rust
+    /// # extern crate bytes;
+    /// # extern crate actix_web;
+    /// # extern crate futures;
+    /// #[macro_use] extern crate serde_derive;
+    /// # use std::collections::HashMap;
+    /// use actix_web::{http, App, Query, Path, Result, Json};
+    ///
+    /// #[derive(Deserialize)]
+    /// struct Info {
+    ///     username: String,
+    /// }
+    ///
+    /// /// extract path info using serde
+    /// fn index(info: (Path<Info>, Query<HashMap<String, String>>, Json<Info>)) -> Result<String> {
+    ///     Ok(format!("Welcome {}!", info.0.username))
+    /// }
+    ///
+    /// fn main() {
+    ///     let app = App::new().resource(
+    ///        "/{username}/index.html",                     // <- define path parameters
+    ///        |r| r.method(http::Method::GET).with(index)); // <- use `with` extractor
+    /// }
+    /// ```
     pub fn with<T, F, R>(&mut self, handler: F) -> ExtractorConfig<S, T>
     where
         F: Fn(T) -> R + 'static,
@@ -140,6 +172,49 @@ impl<S: 'static> Route<S> {
         cfg
     }
 
+    /// Set async handler function, use request extractor for parameters.
+    /// Also this method needs to be used if your handler function returns
+    /// `impl Future<>`
+    ///
+    /// ```rust
+    /// # extern crate bytes;
+    /// # extern crate actix_web;
+    /// # extern crate futures;
+    /// #[macro_use] extern crate serde_derive;
+    /// use actix_web::{App, Path, Error, http};
+    /// use futures::Future;
+    ///
+    /// #[derive(Deserialize)]
+    /// struct Info {
+    ///     username: String,
+    /// }
+    ///
+    /// /// extract path info using serde
+    /// fn index(info: Path<Info>) -> Box<Future<Item=&'static str, Error=Error>> {
+    ///     unimplemented!()
+    /// }
+    ///
+    /// fn main() {
+    ///     let app = App::new().resource(
+    ///        "/{username}/index.html",           // <- define path parameters
+    ///        |r| r.method(http::Method::GET)
+    ///               .with_async(index));         // <- use `with` extractor
+    /// }
+    /// ```
+    pub fn with_async<T, F, R, I, E>(&mut self, handler: F) -> ExtractorConfig<S, T>
+    where
+        F: Fn(T) -> R + 'static,
+        R: Future<Item = I, Error = E> + 'static,
+        I: Responder + 'static,
+        E: Into<Error> + 'static,
+        T: FromRequest<S> + 'static,
+    {
+        let cfg = ExtractorConfig::default();
+        self.h(WithAsync::new(handler, Clone::clone(&cfg)));
+        cfg
+    }
+
+    #[doc(hidden)]
     /// Set handler function, use request extractor for both parameters.
     ///
     /// ```rust
@@ -189,6 +264,7 @@ impl<S: 'static> Route<S> {
         (cfg1, cfg2)
     }
 
+    #[doc(hidden)]
     /// Set handler function, use request extractor for all parameters.
     pub fn with3<T1, T2, T3, F, R>(
         &mut self, handler: F,
@@ -224,9 +300,7 @@ struct InnerHandler<S>(Rc<UnsafeCell<Box<RouteHandler<S>>>>);
 impl<S: 'static> InnerHandler<S> {
     #[inline]
     fn new<H: Handler<S>>(h: H) -> Self {
-        InnerHandler(Rc::new(UnsafeCell::new(Box::new(WrapHandler::new(
-            h,
-        )))))
+        InnerHandler(Rc::new(UnsafeCell::new(Box::new(WrapHandler::new(h)))))
     }
 
     #[inline]
@@ -237,9 +311,7 @@ impl<S: 'static> InnerHandler<S> {
         R: Responder + 'static,
         E: Into<Error> + 'static,
     {
-        InnerHandler(Rc::new(UnsafeCell::new(Box::new(AsyncHandler::new(
-            h,
-        )))))
+        InnerHandler(Rc::new(UnsafeCell::new(Box::new(AsyncHandler::new(h)))))
     }
 
     #[inline]
@@ -368,11 +440,11 @@ impl<S: 'static> StartMiddlewares<S> {
                     if let Some(resp) = resp {
                         return Some(RunMiddlewares::init(info, resp));
                     }
-                    if info.count == len {
-                        let reply = info.handler.handle(info.req.clone());
-                        return Some(WaitingResponse::init(info, reply));
-                    } else {
-                        loop {
+                    loop {
+                        if info.count == len {
+                            let reply = info.handler.handle(info.req.clone());
+                            return Some(WaitingResponse::init(info, reply));
+                        } else {
                             match info.mws[info.count].start(&mut info.req) {
                                 Ok(MiddlewareStarted::Done) => info.count += 1,
                                 Ok(MiddlewareStarted::Response(resp)) => {

src/router.rs

@@ -216,7 +216,8 @@ impl Resource {
                 Ok(re) => re,
                 Err(err) => panic!("Wrong path pattern: \"{}\" {}", path, err),
             };
-            let names = re.capture_names()
+            let names = re
+                .capture_names()
                 .filter_map(|name| name.map(|name| name.to_owned()))
                 .collect();
             PatternType::Dynamic(re, names, len)
@@ -440,10 +441,7 @@ mod tests {
     #[test]
     fn test_recognizer() {
         let routes = vec![
-            (
-                Resource::new("", "/name"),
-                Some(ResourceHandler::default()),
-            ),
+            (Resource::new("", "/name"), Some(ResourceHandler::default())),
             (
                 Resource::new("", "/name/{val}"),
                 Some(ResourceHandler::default()),
@@ -530,10 +528,7 @@ mod tests {
     #[test]
     fn test_recognizer_with_prefix() {
         let routes = vec![
-            (
-                Resource::new("", "/name"),
-                Some(ResourceHandler::default()),
-            ),
+            (Resource::new("", "/name"), Some(ResourceHandler::default())),
             (
                 Resource::new("", "/name/{val}"),
                 Some(ResourceHandler::default()),
@@ -554,10 +549,7 @@ mod tests {
 
         // same patterns
         let routes = vec![
-            (
-                Resource::new("", "/name"),
-                Some(ResourceHandler::default()),
-            ),
+            (Resource::new("", "/name"), Some(ResourceHandler::default())),
             (
                 Resource::new("", "/name/{val}"),
                 Some(ResourceHandler::default()),

src/scope.rs

@@ -10,8 +10,10 @@ use handler::{AsyncResult, AsyncResultItem, FromRequest, Responder, RouteHandler
 use http::Method;
 use httprequest::HttpRequest;
 use httpresponse::HttpResponse;
-use middleware::{Finished as MiddlewareFinished, Middleware,
-                 Response as MiddlewareResponse, Started as MiddlewareStarted};
+use middleware::{
+    Finished as MiddlewareFinished, Middleware, Response as MiddlewareResponse,
+    Started as MiddlewareStarted,
+};
 use pred::Predicate;
 use resource::ResourceHandler;
 use router::Resource;
@@ -76,7 +78,7 @@ impl<S: 'static> Scope<S> {
         mem::replace(&mut self.filters, Vec::new())
     }
 
-    /// Add match predicate to scoupe.
+    /// Add match predicate to scope.
     ///
     /// ```rust
     /// # extern crate actix_web;
@@ -400,8 +402,7 @@ struct Wrapper<S: 'static> {
 
 impl<S: 'static, S2: 'static> RouteHandler<S2> for Wrapper<S> {
     fn handle(&mut self, req: HttpRequest<S2>) -> AsyncResult<HttpResponse> {
-        self.scope
-            .handle(req.change_state(Rc::clone(&self.state)))
+        self.scope.handle(req.change_state(Rc::clone(&self.state)))
     }
 }
 
@@ -543,17 +544,17 @@ impl<S: 'static> StartMiddlewares<S> {
                     if let Some(resp) = resp {
                         return Some(RunMiddlewares::init(info, resp));
                     }
-                    if info.count == len {
-                        let resource = unsafe { &mut *info.resource.get() };
-                        let reply = if let Some(ref default) = info.default {
-                            let d = unsafe { &mut *default.as_ref().get() };
-                            resource.handle(info.req.clone(), Some(d))
+                    loop {
+                        if info.count == len {
+                            let resource = unsafe { &mut *info.resource.get() };
+                            let reply = if let Some(ref default) = info.default {
+                                let d = unsafe { &mut *default.as_ref().get() };
+                                resource.handle(info.req.clone(), Some(d))
+                            } else {
+                                resource.handle(info.req.clone(), None)
+                            };
+                            return Some(WaitingResponse::init(info, reply));
                         } else {
-                            resource.handle(info.req.clone(), None)
-                        };
-                        return Some(WaitingResponse::init(info, reply));
-                    } else {
-                        loop {
                             match info.mws[info.count].start(&mut info.req) {
                                 Ok(MiddlewareStarted::Done) => info.count += 1,
                                 Ok(MiddlewareStarted::Response(resp)) => {
@@ -787,10 +788,10 @@ mod tests {
         let mut app = App::new()
             .scope("app", |scope| {
                 scope
-                    .route("/path1", Method::GET, |r: HttpRequest<_>| {
+                    .route("/path1", Method::GET, |_: HttpRequest<_>| {
                         HttpResponse::Ok()
                     })
-                    .route("/path1", Method::DELETE, |r: HttpRequest<_>| {
+                    .route("/path1", Method::DELETE, |_: HttpRequest<_>| {
                         HttpResponse::Ok()
                     })
             })

src/server/channel.rs

@@ -61,7 +61,7 @@ where
                     settings,
                     peer,
                     io,
-                    BytesMut::with_capacity(4096),
+                    BytesMut::with_capacity(8192),
                 )),
             }
         }
@@ -93,12 +93,12 @@ where
             let el = self as *mut _;
             self.node = Some(Node::new(el));
             let _ = match self.proto {
-                Some(HttpProtocol::H1(ref mut h1)) => self.node
-                    .as_ref()
-                    .map(|n| h1.settings().head().insert(n)),
-                Some(HttpProtocol::H2(ref mut h2)) => self.node
-                    .as_ref()
-                    .map(|n| h2.settings().head().insert(n)),
+                Some(HttpProtocol::H1(ref mut h1)) => {
+                    self.node.as_ref().map(|n| h1.settings().head().insert(n))
+                }
+                Some(HttpProtocol::H2(ref mut h2)) => {
+                    self.node.as_ref().map(|n| h2.settings().head().insert(n))
+                }
                 Some(HttpProtocol::Unknown(ref mut settings, _, _, _)) => {
                     self.node.as_ref().map(|n| settings.head().insert(n))
                 }
@@ -168,9 +168,8 @@ where
         if let Some(HttpProtocol::Unknown(settings, addr, io, buf)) = self.proto.take() {
             match kind {
                 ProtocolKind::Http1 => {
-                    self.proto = Some(HttpProtocol::H1(h1::Http1::new(
-                        settings, io, addr, buf,
-                    )));
+                    self.proto =
+                        Some(HttpProtocol::H1(h1::Http1::new(settings, io, addr, buf)));
                     return self.poll();
                 }
                 ProtocolKind::Http2 => {

src/server/encoding.rs

@@ -12,8 +12,10 @@ use flate2::read::GzDecoder;
 use flate2::write::{DeflateDecoder, DeflateEncoder, GzEncoder};
 #[cfg(feature = "flate2")]
 use flate2::Compression;
-use http::header::{HeaderMap, HeaderValue, ACCEPT_ENCODING, CONTENT_ENCODING,
-                   CONTENT_LENGTH, TRANSFER_ENCODING};
+use http::header::{
+    HeaderMap, HeaderValue, ACCEPT_ENCODING, CONTENT_ENCODING, CONTENT_LENGTH,
+    TRANSFER_ENCODING,
+};
 use http::{HttpTryFrom, Method, Version};
 
 use body::{Binary, Body};
@@ -383,11 +385,14 @@ impl ContentEncoder {
     ) -> ContentEncoder {
         let version = resp.version().unwrap_or_else(|| req.version);
         let is_head = req.method == Method::HEAD;
-        let mut body = resp.replace_body(Body::Empty);
-        let has_body = match body {
-            Body::Empty => false,
-            Body::Binary(ref bin) => {
-                !(response_encoding == ContentEncoding::Auto && bin.len() < 96)
+        let mut len = 0;
+
+        #[cfg_attr(feature = "cargo-clippy", allow(match_ref_pats))]
+        let has_body = match resp.body() {
+            &Body::Empty => false,
+            &Body::Binary(ref bin) => {
+                len = bin.len();
+                !(response_encoding == ContentEncoding::Auto && len < 96)
             }
             _ => true,
         };
@@ -421,14 +426,15 @@ impl ContentEncoder {
             ContentEncoding::Identity
         };
 
-        let mut transfer = match body {
-            Body::Empty => {
+        #[cfg_attr(feature = "cargo-clippy", allow(match_ref_pats))]
+        let mut transfer = match resp.body() {
+            &Body::Empty => {
                 if req.method != Method::HEAD {
                     resp.headers_mut().remove(CONTENT_LENGTH);
                 }
                 TransferEncoding::length(0, buf)
             }
-            Body::Binary(ref mut bytes) => {
+            &Body::Binary(_) => {
                 if !(encoding == ContentEncoding::Identity
                     || encoding == ContentEncoding::Auto)
                 {
@@ -448,19 +454,26 @@ impl ContentEncoder {
                         ContentEncoding::Br => {
                             ContentEncoder::Br(BrotliEncoder::new(transfer, 3))
                         }
-                        ContentEncoding::Identity => ContentEncoder::Identity(transfer),
-                        ContentEncoding::Auto => unreachable!(),
+                        ContentEncoding::Identity | ContentEncoding::Auto => {
+                            unreachable!()
+                        }
                     };
-                    // TODO return error!
-                    let _ = enc.write(bytes.clone());
-                    let _ = enc.write_eof();
 
-                    *bytes = Binary::from(tmp.take());
+                    let bin = resp.replace_body(Body::Empty).binary();
+
+                    // TODO return error!
+                    let _ = enc.write(bin);
+                    let _ = enc.write_eof();
+                    let body = tmp.take();
+                    len = body.len();
+
                     encoding = ContentEncoding::Identity;
+                    resp.replace_body(Binary::from(body));
                 }
+
                 if is_head {
                     let mut b = BytesMut::new();
-                    let _ = write!(b, "{}", bytes.len());
+                    let _ = write!(b, "{}", len);
                     resp.headers_mut().insert(
                         CONTENT_LENGTH,
                         HeaderValue::try_from(b.freeze()).unwrap(),
@@ -470,7 +483,7 @@ impl ContentEncoder {
                 }
                 TransferEncoding::eof(buf)
             }
-            Body::Streaming(_) | Body::Actor(_) => {
+            &Body::Streaming(_) | &Body::Actor(_) => {
                 if resp.upgrade() {
                     if version == Version::HTTP_2 {
                         error!("Connection upgrade is forbidden for HTTP/2");
@@ -485,11 +498,10 @@ impl ContentEncoder {
                 }
             }
         };
-        //
+        // check for head response
         if is_head {
+            resp.set_body(Body::Empty);
             transfer.kind = TransferEncodingKind::Length(0);
-        } else {
-            resp.replace_body(body);
         }
 
         match encoding {
@@ -590,7 +602,7 @@ impl ContentEncoder {
 
     #[cfg_attr(feature = "cargo-clippy", allow(inline_always))]
     #[inline(always)]
-    pub fn write_eof(&mut self) -> Result<(), io::Error> {
+    pub fn write_eof(&mut self) -> Result<bool, io::Error> {
         let encoder = mem::replace(
             self,
             ContentEncoder::Identity(TransferEncoding::eof(SharedBytes::empty())),
@@ -602,7 +614,7 @@ impl ContentEncoder {
                 Ok(mut writer) => {
                     writer.encode_eof();
                     *self = ContentEncoder::Identity(writer);
-                    Ok(())
+                    Ok(true)
                 }
                 Err(err) => Err(err),
             },
@@ -611,7 +623,7 @@ impl ContentEncoder {
                 Ok(mut writer) => {
                     writer.encode_eof();
                     *self = ContentEncoder::Identity(writer);
-                    Ok(())
+                    Ok(true)
                 }
                 Err(err) => Err(err),
             },
@@ -620,14 +632,14 @@ impl ContentEncoder {
                 Ok(mut writer) => {
                     writer.encode_eof();
                     *self = ContentEncoder::Identity(writer);
-                    Ok(())
+                    Ok(true)
                 }
                 Err(err) => Err(err),
             },
             ContentEncoder::Identity(mut writer) => {
-                writer.encode_eof();
+                let res = writer.encode_eof();
                 *self = ContentEncoder::Identity(writer);
-                Ok(())
+                Ok(res)
             }
         }
     }
@@ -763,8 +775,7 @@ impl TransferEncoding {
                         return Ok(*remaining == 0);
                     }
                     let len = cmp::min(*remaining, msg.len() as u64);
-                    self.buffer
-                        .extend(msg.take().split_to(len as usize).into());
+                    self.buffer.extend(msg.take().split_to(len as usize).into());
 
                     *remaining -= len as u64;
                     Ok(*remaining == 0)
@@ -777,14 +788,16 @@ impl TransferEncoding {
 
     /// Encode eof. Return `EOF` state of encoder
     #[inline]
-    pub fn encode_eof(&mut self) {
+    pub fn encode_eof(&mut self) -> bool {
         match self.kind {
-            TransferEncodingKind::Eof | TransferEncodingKind::Length(_) => (),
+            TransferEncodingKind::Eof => true,
+            TransferEncodingKind::Length(rem) => rem == 0,
             TransferEncodingKind::Chunked(ref mut eof) => {
                 if !*eof {
                     *eof = true;
                     self.buffer.extend_from_slice(b"0\r\n\r\n");
                 }
+                true
             }
         }
     }
@@ -848,15 +861,13 @@ impl AcceptEncoding {
                 Err(_) => 0.0,
             },
         };
-        Some(AcceptEncoding {
-            encoding,
-            quality,
-        })
+        Some(AcceptEncoding { encoding, quality })
     }
 
     /// Parse a raw Accept-Encoding header value into an ordered list.
     pub fn parse(raw: &str) -> ContentEncoding {
-        let mut encodings: Vec<_> = raw.replace(' ', "")
+        let mut encodings: Vec<_> = raw
+            .replace(' ', "")
             .split(',')
             .map(|l| AcceptEncoding::new(l))
             .collect();
@@ -879,9 +890,7 @@ mod tests {
     fn test_chunked_te() {
         let bytes = SharedBytes::default();
         let mut enc = TransferEncoding::chunked(bytes.clone());
-        assert!(!enc.encode(Binary::from(b"test".as_ref()))
-            .ok()
-            .unwrap());
+        assert!(!enc.encode(Binary::from(b"test".as_ref())).ok().unwrap());
         assert!(enc.encode(Binary::from(b"".as_ref())).ok().unwrap());
         assert_eq!(
             bytes.get_mut().take().freeze(),

src/server/h1.rs

@@ -146,10 +146,12 @@ where
     }
 
     #[inline]
+    /// read data from stream
     pub fn poll_io(&mut self) {
         // read io from socket
         if !self.flags.intersects(Flags::ERROR)
-            && self.tasks.len() < MAX_PIPELINED_MESSAGES && self.can_read()
+            && self.tasks.len() < MAX_PIPELINED_MESSAGES
+            && self.can_read()
         {
             if self.read() {
                 // notify all tasks
@@ -158,7 +160,6 @@ where
                     entry.pipe.disconnected()
                 }
                 // kill keepalive
-                self.flags.remove(Flags::KEEPALIVE);
                 self.keepalive_timer.take();
 
                 // on parse error, stop reading stream but tasks need to be
@@ -205,10 +206,9 @@ where
                         self.stream.reset();
 
                         if ready {
-                            item.flags
-                                .insert(EntryFlags::EOF | EntryFlags::FINISHED);
+                            item.flags.insert(EntryFlags::EOF | EntryFlags::FINISHED);
                         } else {
-                            item.flags.insert(EntryFlags::FINISHED);
+                            item.flags.insert(EntryFlags::EOF);
                         }
                     }
                     // no more IO for this iteration
@@ -324,7 +324,36 @@ where
                     // search handler for request
                     for h in self.settings.handlers().iter_mut() {
                         req = match h.handle(req) {
-                            Ok(pipe) => {
+                            Ok(mut pipe) => {
+                                if self.tasks.is_empty() {
+                                    match pipe.poll_io(&mut self.stream) {
+                                        Ok(Async::Ready(ready)) => {
+                                            // override keep-alive state
+                                            if self.stream.keepalive() {
+                                                self.flags.insert(Flags::KEEPALIVE);
+                                            } else {
+                                                self.flags.remove(Flags::KEEPALIVE);
+                                            }
+                                            // prepare stream for next response
+                                            self.stream.reset();
+
+                                            if !ready {
+                                                let item = Entry {
+                                                    pipe,
+                                                    flags: EntryFlags::EOF,
+                                                };
+                                                self.tasks.push_back(item);
+                                            }
+                                            continue 'outer;
+                                        }
+                                        Ok(Async::NotReady) => {}
+                                        Err(err) => {
+                                            error!("Unhandled error: {}", err);
+                                            self.flags.insert(Flags::ERROR);
+                                            return;
+                                        }
+                                    }
+                                }
                                 self.tasks.push_back(Entry {
                                     pipe,
                                     flags: EntryFlags::empty(),
@@ -347,6 +376,7 @@ where
                     } else {
                         error!("Internal server error: unexpected payload chunk");
                         self.flags.insert(Flags::ERROR);
+                        break;
                     }
                 }
                 Ok(Some(Message::Eof)) => {
@@ -355,6 +385,7 @@ where
                     } else {
                         error!("Internal server error: unexpected eof");
                         self.flags.insert(Flags::ERROR);
+                        break;
                     }
                 }
                 Ok(None) => break,
@@ -367,6 +398,7 @@ where
                         };
                         payload.set_error(e);
                     }
+                    break;
                 }
             }
         }
@@ -398,8 +430,12 @@ where
 
 #[cfg(test)]
 mod tests {
-    use bytes::{Bytes, BytesMut};
+    use std::net::Shutdown;
+    use std::{cmp, time};
+
+    use bytes::{Buf, Bytes, BytesMut};
     use http::{Method, Version};
+    use tokio_io::{AsyncRead, AsyncWrite};
 
     use super::*;
     use application::HttpApplication;
@@ -463,6 +499,101 @@ mod tests {
         }};
     }
 
+    struct Buffer {
+        buf: Bytes,
+        err: Option<io::Error>,
+    }
+
+    impl Buffer {
+        fn new(data: &'static str) -> Buffer {
+            Buffer {
+                buf: Bytes::from(data),
+                err: None,
+            }
+        }
+        fn feed_data(&mut self, data: &'static str) {
+            let mut b = BytesMut::from(self.buf.as_ref());
+            b.extend(data.as_bytes());
+            self.buf = b.take().freeze();
+        }
+    }
+
+    impl AsyncRead for Buffer {}
+    impl io::Read for Buffer {
+        fn read(&mut self, dst: &mut [u8]) -> Result<usize, io::Error> {
+            if self.buf.is_empty() {
+                if self.err.is_some() {
+                    Err(self.err.take().unwrap())
+                } else {
+                    Err(io::Error::new(io::ErrorKind::WouldBlock, ""))
+                }
+            } else {
+                let size = cmp::min(self.buf.len(), dst.len());
+                let b = self.buf.split_to(size);
+                dst[..size].copy_from_slice(&b);
+                Ok(size)
+            }
+        }
+    }
+
+    impl IoStream for Buffer {
+        fn shutdown(&mut self, _: Shutdown) -> io::Result<()> {
+            Ok(())
+        }
+        fn set_nodelay(&mut self, _: bool) -> io::Result<()> {
+            Ok(())
+        }
+        fn set_linger(&mut self, _: Option<time::Duration>) -> io::Result<()> {
+            Ok(())
+        }
+    }
+    impl io::Write for Buffer {
+        fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
+            Ok(buf.len())
+        }
+        fn flush(&mut self) -> io::Result<()> {
+            Ok(())
+        }
+    }
+    impl AsyncWrite for Buffer {
+        fn shutdown(&mut self) -> Poll<(), io::Error> {
+            Ok(Async::Ready(()))
+        }
+        fn write_buf<B: Buf>(&mut self, _: &mut B) -> Poll<usize, io::Error> {
+            Ok(Async::NotReady)
+        }
+    }
+
+    #[test]
+    fn test_req_parse() {
+        let buf = Buffer::new("GET /test HTTP/1.1\r\n\r\n");
+        let readbuf = BytesMut::new();
+        let settings = Rc::new(WorkerSettings::<HttpApplication>::new(
+            Vec::new(),
+            KeepAlive::Os,
+        ));
+
+        let mut h1 = Http1::new(Rc::clone(&settings), buf, None, readbuf);
+        h1.poll_io();
+        h1.parse();
+        assert_eq!(h1.tasks.len(), 1);
+    }
+
+    #[test]
+    fn test_req_parse_err() {
+        let buf = Buffer::new("GET /test HTTP/1\r\n\r\n");
+        let readbuf = BytesMut::new();
+        let settings = Rc::new(WorkerSettings::<HttpApplication>::new(
+            Vec::new(),
+            KeepAlive::Os,
+        ));
+
+        let mut h1 = Http1::new(Rc::clone(&settings), buf, None, readbuf);
+        h1.poll_io();
+        h1.parse();
+        assert!(h1.flags.contains(Flags::ERROR));
+    }
+
     #[test]
     fn test_parse() {
         let mut buf = BytesMut::from("GET /test HTTP/1.1\r\n\r\n");
@@ -614,10 +745,7 @@ mod tests {
                 assert_eq!(req.version(), Version::HTTP_11);
                 assert_eq!(*req.method(), Method::GET);
                 assert_eq!(req.path(), "/test");
-                assert_eq!(
-                    req.headers().get("test").unwrap().as_bytes(),
-                    b"value"
-                );
+                assert_eq!(req.headers().get("test").unwrap().as_bytes(), b"value");
             }
             Ok(_) | Err(_) => unreachable!("Error during parsing http request"),
         }
@@ -635,7 +763,8 @@ mod tests {
         let msg = reader.decode(&mut buf, &settings).unwrap().unwrap();
         let req = HttpRequest::from_message(msg.message());
 
-        let val: Vec<_> = req.headers()
+        let val: Vec<_> = req
+            .headers()
             .get_all("Set-Cookie")
             .iter()
             .map(|v| v.to_str().unwrap().to_owned())
@@ -918,13 +1047,7 @@ mod tests {
                 .as_ref(),
             b"line"
         );
-        assert!(
-            reader
-                .decode(&mut buf, &settings)
-                .unwrap()
-                .unwrap()
-                .eof()
-        );
+        assert!(reader.decode(&mut buf, &settings).unwrap().unwrap().eof());
     }
 
     #[test]
@@ -1005,13 +1128,7 @@ mod tests {
         assert!(reader.decode(&mut buf, &settings).unwrap().is_none());
 
         buf.extend(b"\r\n");
-        assert!(
-            reader
-                .decode(&mut buf, &settings)
-                .unwrap()
-                .unwrap()
-                .eof()
-        );
+        assert!(reader.decode(&mut buf, &settings).unwrap().unwrap().eof());
     }
 
     #[test]
@@ -1029,17 +1146,9 @@ mod tests {
         assert!(req.chunked().unwrap());
 
         buf.extend(b"4;test\r\ndata\r\n4\r\nline\r\n0\r\n\r\n"); // test: test\r\n\r\n")
-        let chunk = reader
-            .decode(&mut buf, &settings)
-            .unwrap()
-            .unwrap()
-            .chunk();
+        let chunk = reader.decode(&mut buf, &settings).unwrap().unwrap().chunk();
         assert_eq!(chunk, Bytes::from_static(b"data"));
-        let chunk = reader
-            .decode(&mut buf, &settings)
-            .unwrap()
-            .unwrap()
-            .chunk();
+        let chunk = reader.decode(&mut buf, &settings).unwrap().unwrap().chunk();
         assert_eq!(chunk, Bytes::from_static(b"line"));
         let msg = reader.decode(&mut buf, &settings).unwrap().unwrap();
         assert!(msg.eof());

src/server/h1decoder.rs

@@ -60,22 +60,16 @@ impl H1Decoder {
             }
         }
 
-        match self.parse_message(src, settings)
+        match self
+            .parse_message(src, settings)
             .map_err(DecoderError::Error)?
         {
             Async::Ready((msg, decoder)) => {
-                if let Some(decoder) = decoder {
-                    self.decoder = Some(decoder);
-                    Ok(Some(Message::Message {
-                        msg,
-                        payload: true,
-                    }))
-                } else {
-                    Ok(Some(Message::Message {
-                        msg,
-                        payload: false,
-                    }))
-                }
+                self.decoder = decoder;
+                Ok(Some(Message::Message {
+                    msg,
+                    payload: self.decoder.is_some(),
+                }))
             }
             Async::NotReady => {
                 if src.len() >= MAX_BUFFER_SIZE {
@@ -148,7 +142,7 @@ impl H1Decoder {
                             header::CONTENT_LENGTH => {
                                 if let Ok(s) = value.to_str() {
                                     if let Ok(len) = s.parse::<u64>() {
-                                        content_length = Some(len)
+                                        content_length = Some(len);
                                     } else {
                                         debug!("illegal Content-Length: {:?}", len);
                                         return Err(ParseError::Header);

src/server/h1writer.rs

@@ -138,7 +138,9 @@ impl<T: AsyncWrite, H: 'static> Writer for H1Writer<T, H> {
             let reason = msg.reason().as_bytes();
             let mut is_bin = if let Body::Binary(ref bytes) = body {
                 buffer.reserve(
-                    256 + msg.headers().len() * AVERAGE_HEADER_SIZE + bytes.len()
+                    256
+                        + msg.headers().len() * AVERAGE_HEADER_SIZE
+                        + bytes.len()
                         + reason.len(),
                 );
                 true
@@ -255,9 +257,7 @@ impl<T: AsyncWrite, H: 'static> Writer for H1Writer<T, H> {
     }
 
     fn write_eof(&mut self) -> io::Result<WriterState> {
-        self.encoder.write_eof()?;
-
-        if !self.encoder.is_eof() {
+        if !self.encoder.write_eof()? {
             Err(io::Error::new(
                 io::ErrorKind::Other,
                 "Last payload item, but eof is not reached",
@@ -276,7 +276,9 @@ impl<T: AsyncWrite, H: 'static> Writer for H1Writer<T, H> {
                 unsafe { &mut *(self.buffer.as_ref() as *const _ as *mut _) };
             let written = self.write_data(buf)?;
             let _ = self.buffer.split_to(written);
-            if self.buffer.len() > self.buffer_capacity {
+            if shutdown && !self.buffer.is_empty()
+                || (self.buffer.len() > self.buffer_capacity)
+            {
                 return Ok(Async::NotReady);
             }
         }

src/server/h2.rs

@@ -133,7 +133,8 @@ where
                                 Err(err) => {
                                     error!("Unhandled error: {}", err);
                                     item.flags.insert(
-                                        EntryFlags::EOF | EntryFlags::ERROR
+                                        EntryFlags::EOF
+                                            | EntryFlags::ERROR
                                             | EntryFlags::WRITE_DONE,
                                     );
                                     item.stream.reset(Reason::INTERNAL_ERROR);
@@ -150,7 +151,8 @@ where
                             }
                             Err(err) => {
                                 item.flags.insert(
-                                    EntryFlags::ERROR | EntryFlags::WRITE_DONE
+                                    EntryFlags::ERROR
+                                        | EntryFlags::WRITE_DONE
                                         | EntryFlags::FINISHED,
                                 );
                                 error!("Unhandled error: {}", err);
@@ -248,7 +250,8 @@ where
                 if not_ready {
                     if self.tasks.is_empty() && self.flags.contains(Flags::DISCONNECTED)
                     {
-                        return conn.poll_close()
+                        return conn
+                            .poll_close()
                             .map_err(|e| error!("Error during connection close: {}", e));
                     } else {
                         return Ok(Async::NotReady);
@@ -343,24 +346,27 @@ impl<H: 'static> Entry<H> {
     }
 
     fn poll_payload(&mut self) {
-        if !self.flags.contains(EntryFlags::REOF) {
-            if self.payload.need_read() == PayloadStatus::Read {
-                if let Err(err) = self.recv.release_capacity().release_capacity(32_768) {
-                    self.payload.set_error(PayloadError::Http2(err))
-                }
-            } else if let Err(err) = self.recv.release_capacity().release_capacity(0) {
-                self.payload.set_error(PayloadError::Http2(err))
-            }
-
+        while !self.flags.contains(EntryFlags::REOF)
+            && self.payload.need_read() == PayloadStatus::Read
+        {
             match self.recv.poll() {
                 Ok(Async::Ready(Some(chunk))) => {
+                    let l = chunk.len();
                     self.payload.feed_data(chunk);
+                    if let Err(err) = self.recv.release_capacity().release_capacity(l) {
+                        self.payload.set_error(PayloadError::Http2(err));
+                        break;
+                    }
                 }
                 Ok(Async::Ready(None)) => {
                     self.flags.insert(EntryFlags::REOF);
+                    self.payload.feed_eof();
+                }
+                Ok(Async::NotReady) => break,
+                Err(err) => {
+                    self.payload.set_error(PayloadError::Http2(err));
+                    break;
                 }
-                Ok(Async::NotReady) => (),
-                Err(err) => self.payload.set_error(PayloadError::Http2(err)),
             }
         }
     }

src/server/h2writer.rs

@@ -120,7 +120,8 @@ impl<H: 'static> Writer for H2Writer<H> {
             resp.headers_mut().insert(key, value.clone());
         }
 
-        match self.respond
+        match self
+            .respond
             .send_response(resp, self.flags.contains(Flags::EOF))
         {
             Ok(stream) => self.stream = Some(stream),

src/server/helpers.rs

@@ -251,63 +251,33 @@ mod tests {
         let mut bytes = BytesMut::new();
         bytes.reserve(50);
         write_content_length(0, &mut bytes);
-        assert_eq!(
-            bytes.take().freeze(),
-            b"\r\ncontent-length: 0\r\n"[..]
-        );
+        assert_eq!(bytes.take().freeze(), b"\r\ncontent-length: 0\r\n"[..]);
         bytes.reserve(50);
         write_content_length(9, &mut bytes);
-        assert_eq!(
-            bytes.take().freeze(),
-            b"\r\ncontent-length: 9\r\n"[..]
-        );
+        assert_eq!(bytes.take().freeze(), b"\r\ncontent-length: 9\r\n"[..]);
         bytes.reserve(50);
         write_content_length(10, &mut bytes);
-        assert_eq!(
-            bytes.take().freeze(),
-            b"\r\ncontent-length: 10\r\n"[..]
-        );
+        assert_eq!(bytes.take().freeze(), b"\r\ncontent-length: 10\r\n"[..]);
         bytes.reserve(50);
         write_content_length(99, &mut bytes);
-        assert_eq!(
-            bytes.take().freeze(),
-            b"\r\ncontent-length: 99\r\n"[..]
-        );
+        assert_eq!(bytes.take().freeze(), b"\r\ncontent-length: 99\r\n"[..]);
         bytes.reserve(50);
         write_content_length(100, &mut bytes);
-        assert_eq!(
-            bytes.take().freeze(),
-            b"\r\ncontent-length: 100\r\n"[..]
-        );
+        assert_eq!(bytes.take().freeze(), b"\r\ncontent-length: 100\r\n"[..]);
         bytes.reserve(50);
         write_content_length(101, &mut bytes);
-        assert_eq!(
-            bytes.take().freeze(),
-            b"\r\ncontent-length: 101\r\n"[..]
-        );
+        assert_eq!(bytes.take().freeze(), b"\r\ncontent-length: 101\r\n"[..]);
         bytes.reserve(50);
         write_content_length(998, &mut bytes);
-        assert_eq!(
-            bytes.take().freeze(),
-            b"\r\ncontent-length: 998\r\n"[..]
-        );
+        assert_eq!(bytes.take().freeze(), b"\r\ncontent-length: 998\r\n"[..]);
         bytes.reserve(50);
         write_content_length(1000, &mut bytes);
-        assert_eq!(
-            bytes.take().freeze(),
-            b"\r\ncontent-length: 1000\r\n"[..]
-        );
+        assert_eq!(bytes.take().freeze(), b"\r\ncontent-length: 1000\r\n"[..]);
         bytes.reserve(50);
         write_content_length(1001, &mut bytes);
-        assert_eq!(
-            bytes.take().freeze(),
-            b"\r\ncontent-length: 1001\r\n"[..]
-        );
+        assert_eq!(bytes.take().freeze(), b"\r\ncontent-length: 1001\r\n"[..]);
         bytes.reserve(50);
         write_content_length(5909, &mut bytes);
-        assert_eq!(
-            bytes.take().freeze(),
-            b"\r\ncontent-length: 5909\r\n"[..]
-        );
+        assert_eq!(bytes.take().freeze(), b"\r\ncontent-length: 5909\r\n"[..]);
     }
 }

src/server/settings.rs

@@ -16,7 +16,6 @@ use body::Body;
 use httpresponse::{HttpResponse, HttpResponseBuilder, HttpResponsePool};
 
 /// Various server settings
-#[derive(Clone)]
 pub struct ServerSettings {
     addr: Option<net::SocketAddr>,
     secure: bool,
@@ -28,6 +27,18 @@ pub struct ServerSettings {
 unsafe impl Sync for ServerSettings {}
 unsafe impl Send for ServerSettings {}
 
+impl Clone for ServerSettings {
+    fn clone(&self) -> Self {
+        ServerSettings {
+            addr: self.addr,
+            secure: self.secure,
+            host: self.host.clone(),
+            cpu_pool: self.cpu_pool.clone(),
+            responses: HttpResponsePool::pool(),
+        }
+    }
+}
+
 struct InnerCpuPool {
     cpu_pool: UnsafeCell<Option<CpuPool>>,
 }
@@ -255,10 +266,7 @@ mod tests {
 
     #[test]
     fn test_date_len() {
-        assert_eq!(
-            DATE_VALUE_LENGTH,
-            "Sun, 06 Nov 1994 08:49:37 GMT".len()
-        );
+        assert_eq!(DATE_VALUE_LENGTH, "Sun, 06 Nov 1994 08:49:37 GMT".len());
     }
 
     #[test]

src/server/srv.rs

@@ -25,6 +25,20 @@ use super::worker::{Conn, SocketInfo, StopWorker, StreamHandlerType, Worker};
 use super::{IntoHttpHandler, IoStream, KeepAlive};
 use super::{PauseServer, ResumeServer, StopServer};
 
+#[cfg(feature = "alpn")]
+fn configure_alpn(builder: &mut SslAcceptorBuilder) -> io::Result<()> {
+    builder.set_alpn_protos(b"\x02h2\x08http/1.1")?;
+    builder.set_alpn_select_callback(|_, protos| {
+        const H2: &[u8] = b"\x02h2";
+        if protos.windows(3).any(|window| window == H2) {
+            Ok(b"h2")
+        } else {
+            Err(AlpnError::NOACK)
+        }
+    });
+    Ok(())
+}
+
 /// An HTTP Server
 pub struct HttpServer<H>
 where
@@ -197,6 +211,19 @@ where
         self.sockets.iter().map(|s| s.addr).collect()
     }
 
+    /// Get addresses of bound sockets and the scheme for it.
+    ///
+    /// This is useful when the server is bound from different sources
+    /// with some sockets listening on http and some listening on https
+    /// and the user should be presented with an enumeration of which
+    /// socket requires which protocol.
+    pub fn addrs_with_scheme(&self) -> Vec<(net::SocketAddr, &str)> {
+        self.sockets
+            .iter()
+            .map(|s| (s.addr, s.tp.scheme()))
+            .collect()
+    }
+
     /// Use listener for accepting incoming connection requests
     ///
     /// HttpServer does not change any configuration for TcpListener,
@@ -211,6 +238,42 @@ where
         self
     }
 
+    #[cfg(feature = "tls")]
+    /// Use listener for accepting incoming tls connection requests
+    ///
+    /// HttpServer does not change any configuration for TcpListener,
+    /// it needs to be configured before passing it to listen() method.
+    pub fn listen_tls(mut self, lst: net::TcpListener, acceptor: TlsAcceptor) -> Self {
+        let addr = lst.local_addr().unwrap();
+        self.sockets.push(Socket {
+            addr,
+            lst,
+            tp: StreamHandlerType::Tls(acceptor.clone()),
+        });
+        self
+    }
+
+    #[cfg(feature = "alpn")]
+    /// Use listener for accepting incoming tls connection requests
+    ///
+    /// This method sets alpn protocols to "h2" and "http/1.1"
+    pub fn listen_ssl(
+        mut self, lst: net::TcpListener, mut builder: SslAcceptorBuilder,
+    ) -> io::Result<Self> {
+        // alpn support
+        if !self.no_http2 {
+            configure_alpn(&mut builder)?;
+        }
+        let acceptor = builder.build();
+        let addr = lst.local_addr().unwrap();
+        self.sockets.push(Socket {
+            addr,
+            lst,
+            tp: StreamHandlerType::Alpn(acceptor.clone()),
+        });
+        Ok(self)
+    }
+
     fn bind2<S: net::ToSocketAddrs>(&mut self, addr: S) -> io::Result<Vec<Socket>> {
         let mut err = None;
         let mut succ = false;
@@ -277,15 +340,7 @@ where
     ) -> io::Result<Self> {
         // alpn support
         if !self.no_http2 {
-            builder.set_alpn_protos(b"\x02h2\x08http/1.1")?;
-            builder.set_alpn_select_callback(|_, protos| {
-                const H2: &[u8] = b"\x02h2";
-                if protos.windows(3).any(|window| window == H2) {
-                    Ok(b"h2")
-                } else {
-                    Err(AlpnError::NOACK)
-                }
-            });
+            configure_alpn(&mut builder)?;
         }
 
         let acceptor = builder.build();
@@ -764,12 +819,9 @@ fn start_accept_thread(
             }
 
             // Start listening for incoming commands
-            if let Err(err) = poll.register(
-                &reg,
-                CMD,
-                mio::Ready::readable(),
-                mio::PollOpt::edge(),
-            ) {
+            if let Err(err) =
+                poll.register(&reg, CMD, mio::Ready::readable(), mio::PollOpt::edge())
+            {
                 panic!("Can not register Registration: {}", err);
             }
 

src/server/worker.rs

@@ -85,9 +85,7 @@ impl<H: HttpHandler + 'static> Worker<H> {
 
     fn update_time(&self, ctx: &mut Context<Self>) {
         self.settings.update_date();
-        ctx.run_later(time::Duration::new(1, 0), |slf, ctx| {
-            slf.update_time(ctx)
-        });
+        ctx.run_later(time::Duration::new(1, 0), |slf, ctx| slf.update_time(ctx));
     }
 
     fn shutdown_timeout(
@@ -195,18 +193,17 @@ impl StreamHandlerType {
                 let io = TcpStream::from_stream(io, hnd)
                     .expect("failed to associate TCP stream");
 
-                hnd.spawn(
-                    TlsAcceptorExt::accept_async(acceptor, io).then(move |res| {
-                        match res {
-                            Ok(io) => Arbiter::handle()
-                                .spawn(HttpChannel::new(h, io, peer, http2)),
-                            Err(err) => {
-                                trace!("Error during handling tls connection: {}", err)
-                            }
-                        };
-                        future::result(Ok(()))
-                    }),
-                );
+                hnd.spawn(TlsAcceptorExt::accept_async(acceptor, io).then(move |res| {
+                    match res {
+                        Ok(io) => {
+                            Arbiter::handle().spawn(HttpChannel::new(h, io, peer, http2))
+                        }
+                        Err(err) => {
+                            trace!("Error during handling tls connection: {}", err)
+                        }
+                    };
+                    future::result(Ok(()))
+                }));
             }
             #[cfg(feature = "alpn")]
             StreamHandlerType::Alpn(ref acceptor) => {
@@ -215,28 +212,36 @@ impl StreamHandlerType {
                 let io = TcpStream::from_stream(io, hnd)
                     .expect("failed to associate TCP stream");
 
-                hnd.spawn(
-                    SslAcceptorExt::accept_async(acceptor, io).then(move |res| {
-                        match res {
-                            Ok(io) => {
-                                let http2 = if let Some(p) =
-                                    io.get_ref().ssl().selected_alpn_protocol()
-                                {
-                                    p.len() == 2 && &p == b"h2"
-                                } else {
-                                    false
-                                };
-                                Arbiter::handle()
-                                    .spawn(HttpChannel::new(h, io, peer, http2));
-                            }
-                            Err(err) => {
-                                trace!("Error during handling tls connection: {}", err)
-                            }
-                        };
-                        future::result(Ok(()))
-                    }),
-                );
+                hnd.spawn(SslAcceptorExt::accept_async(acceptor, io).then(move |res| {
+                    match res {
+                        Ok(io) => {
+                            let http2 = if let Some(p) =
+                                io.get_ref().ssl().selected_alpn_protocol()
+                            {
+                                p.len() == 2 && &p == b"h2"
+                            } else {
+                                false
+                            };
+                            Arbiter::handle()
+                                .spawn(HttpChannel::new(h, io, peer, http2));
+                        }
+                        Err(err) => {
+                            trace!("Error during handling tls connection: {}", err)
+                        }
+                    };
+                    future::result(Ok(()))
+                }));
             }
         }
     }
+
+    pub(crate) fn scheme(&self) -> &'static str {
+        match *self {
+            StreamHandlerType::Normal => "http",
+            #[cfg(feature = "tls")]
+            StreamHandlerType::Tls(ref acceptor) => "https",
+            #[cfg(feature = "alpn")]
+            StreamHandlerType::Alpn(ref acceptor) => "https",
+        }
+    }
 }

src/test.rs

@@ -355,12 +355,7 @@ impl<S: 'static> TestApp<S> {
 
     /// Register handler for "/"
     pub fn handler<H: Handler<S>>(&mut self, handler: H) {
-        self.app = Some(
-            self.app
-                .take()
-                .unwrap()
-                .resource("/", |r| r.h(handler)),
-        );
+        self.app = Some(self.app.take().unwrap().resource("/", |r| r.h(handler)));
     }
 
     /// Register middleware
@@ -562,8 +557,8 @@ impl<S: 'static> TestRequest<S> {
             cookies,
             payload,
         } = self;
-        let req = HttpRequest::new(method, uri, version, headers, payload);
-        req.as_mut().cookies = cookies;
+        let mut req = HttpRequest::new(method, uri, version, headers, payload);
+        req.set_cookies(cookies);
         req.as_mut().params = params;
         let (router, _) = Router::new::<S>("/", ServerSettings::default(), Vec::new());
         req.with_state(Rc::new(state), router)
@@ -583,8 +578,8 @@ impl<S: 'static> TestRequest<S> {
             payload,
         } = self;
 
-        let req = HttpRequest::new(method, uri, version, headers, payload);
-        req.as_mut().cookies = cookies;
+        let mut req = HttpRequest::new(method, uri, version, headers, payload);
+        req.set_cookies(cookies);
         req.as_mut().params = params;
         req.with_state(Rc::new(state), router)
     }

src/with.rs

@@ -9,6 +9,62 @@ use handler::{AsyncResult, AsyncResultItem, FromRequest, Handler, Responder};
 use httprequest::HttpRequest;
 use httpresponse::HttpResponse;
 
+/// Extractor configuration
+///
+/// `Route::with()` and `Route::with_async()` returns instance
+/// of the `ExtractorConfig` type. It could be used for extractor configuration.
+///
+/// In this example `Form<FormData>` configured.
+///
+/// ```rust
+/// # extern crate actix_web;
+/// #[macro_use] extern crate serde_derive;
+/// use actix_web::{App, Form, Result, http};
+///
+/// #[derive(Deserialize)]
+/// struct FormData {
+///     username: String,
+/// }
+///
+/// fn index(form: Form<FormData>) -> Result<String> {
+///     Ok(format!("Welcome {}!", form.username))
+/// }
+///
+/// fn main() {
+///     let app = App::new().resource(
+///        "/index.html", |r| {
+///            r.method(http::Method::GET)
+///              .with(index)
+///              .limit(4096);} // <- change form extractor configuration
+///     );
+/// }
+/// ```
+///
+/// Same could be donce with multiple extractors
+///
+/// ```rust
+/// # extern crate actix_web;
+/// #[macro_use] extern crate serde_derive;
+/// use actix_web::{App, Form, Path, Result, http};
+///
+/// #[derive(Deserialize)]
+/// struct FormData {
+///     username: String,
+/// }
+///
+/// fn index(data: (Path<(String,)>, Form<FormData>)) -> Result<String> {
+///     Ok(format!("Welcome {}!", data.1.username))
+/// }
+///
+/// fn main() {
+///     let app = App::new().resource(
+///        "/index.html", |r| {
+///            r.method(http::Method::GET)
+///              .with(index)
+///              .1.limit(4096);} // <- change form extractor configuration
+///     );
+/// }
+/// ```
 pub struct ExtractorConfig<S: 'static, T: FromRequest<S>> {
     cfg: Rc<UnsafeCell<T::Config>>,
 }
@@ -167,6 +223,145 @@ where
     }
 }
 
+pub struct WithAsync<T, S, F, R, I, E>
+where
+    F: Fn(T) -> R,
+    R: Future<Item = I, Error = E>,
+    I: Responder,
+    E: Into<E>,
+    T: FromRequest<S>,
+    S: 'static,
+{
+    hnd: Rc<UnsafeCell<F>>,
+    cfg: ExtractorConfig<S, T>,
+    _s: PhantomData<S>,
+}
+
+impl<T, S, F, R, I, E> WithAsync<T, S, F, R, I, E>
+where
+    F: Fn(T) -> R,
+    R: Future<Item = I, Error = E>,
+    I: Responder,
+    E: Into<Error>,
+    T: FromRequest<S>,
+    S: 'static,
+{
+    pub fn new(f: F, cfg: ExtractorConfig<S, T>) -> Self {
+        WithAsync {
+            cfg,
+            hnd: Rc::new(UnsafeCell::new(f)),
+            _s: PhantomData,
+        }
+    }
+}
+
+impl<T, S, F, R, I, E> Handler<S> for WithAsync<T, S, F, R, I, E>
+where
+    F: Fn(T) -> R + 'static,
+    R: Future<Item = I, Error = E> + 'static,
+    I: Responder + 'static,
+    E: Into<Error> + 'static,
+    T: FromRequest<S> + 'static,
+    S: 'static,
+{
+    type Result = AsyncResult<HttpResponse>;
+
+    fn handle(&mut self, req: HttpRequest<S>) -> Self::Result {
+        let mut fut = WithAsyncHandlerFut {
+            req,
+            started: false,
+            hnd: Rc::clone(&self.hnd),
+            cfg: self.cfg.clone(),
+            fut1: None,
+            fut2: None,
+            fut3: None,
+        };
+
+        match fut.poll() {
+            Ok(Async::Ready(resp)) => AsyncResult::ok(resp),
+            Ok(Async::NotReady) => AsyncResult::async(Box::new(fut)),
+            Err(e) => AsyncResult::err(e),
+        }
+    }
+}
+
+struct WithAsyncHandlerFut<T, S, F, R, I, E>
+where
+    F: Fn(T) -> R,
+    R: Future<Item = I, Error = E> + 'static,
+    I: Responder + 'static,
+    E: Into<Error> + 'static,
+    T: FromRequest<S> + 'static,
+    S: 'static,
+{
+    started: bool,
+    hnd: Rc<UnsafeCell<F>>,
+    cfg: ExtractorConfig<S, T>,
+    req: HttpRequest<S>,
+    fut1: Option<Box<Future<Item = T, Error = Error>>>,
+    fut2: Option<R>,
+    fut3: Option<Box<Future<Item = HttpResponse, Error = Error>>>,
+}
+
+impl<T, S, F, R, I, E> Future for WithAsyncHandlerFut<T, S, F, R, I, E>
+where
+    F: Fn(T) -> R,
+    R: Future<Item = I, Error = E> + 'static,
+    I: Responder + 'static,
+    E: Into<Error> + 'static,
+    T: FromRequest<S> + 'static,
+    S: 'static,
+{
+    type Item = HttpResponse;
+    type Error = Error;
+
+    fn poll(&mut self) -> Poll<Self::Item, Self::Error> {
+        if let Some(ref mut fut) = self.fut3 {
+            return fut.poll();
+        }
+
+        if self.fut2.is_some() {
+            return match self.fut2.as_mut().unwrap().poll() {
+                Ok(Async::NotReady) => Ok(Async::NotReady),
+                Ok(Async::Ready(r)) => match r.respond_to(&self.req) {
+                    Ok(r) => match r.into().into() {
+                        AsyncResultItem::Err(err) => Err(err),
+                        AsyncResultItem::Ok(resp) => Ok(Async::Ready(resp)),
+                        AsyncResultItem::Future(fut) => {
+                            self.fut3 = Some(fut);
+                            self.poll()
+                        }
+                    },
+                    Err(e) => Err(e.into()),
+                },
+                Err(e) => Err(e.into()),
+            };
+        }
+
+        let item = if !self.started {
+            self.started = true;
+            let reply = T::from_request(&self.req, self.cfg.as_ref()).into();
+            match reply.into() {
+                AsyncResultItem::Err(err) => return Err(err),
+                AsyncResultItem::Ok(msg) => msg,
+                AsyncResultItem::Future(fut) => {
+                    self.fut1 = Some(fut);
+                    return self.poll();
+                }
+            }
+        } else {
+            match self.fut1.as_mut().unwrap().poll()? {
+                Async::Ready(item) => item,
+                Async::NotReady => return Ok(Async::NotReady),
+            }
+        };
+
+        let hnd: &mut F = unsafe { &mut *self.hnd.get() };
+        self.fut2 = Some((*hnd)(item));
+        self.poll()
+    }
+}
+
 pub struct With2<T1, T2, S, F, R>
 where
     F: Fn(T1, T2) -> R,
@@ -599,15 +794,13 @@ where
         };
 
         let hnd: &mut F = unsafe { &mut *self.hnd.get() };
-        let item = match (*hnd)(
-            self.item1.take().unwrap(),
-            self.item2.take().unwrap(),
-            item,
-        ).respond_to(&self.req)
-        {
-            Ok(item) => item.into(),
-            Err(err) => return Err(err.into()),
-        };
+        let item =
+            match (*hnd)(self.item1.take().unwrap(), self.item2.take().unwrap(), item)
+                .respond_to(&self.req)
+            {
+                Ok(item) => item.into(),
+                Err(err) => return Err(err.into()),
+            };
 
         match item.into() {
             AsyncResultItem::Err(err) => return Err(err),

src/ws/client.rs

@@ -22,8 +22,10 @@ use header::IntoHeaderValue;
 use httpmessage::HttpMessage;
 use payload::PayloadHelper;
 
-use client::{ClientConnector, ClientRequest, ClientRequestBuilder, ClientResponse,
-             HttpResponseParserError, SendRequest, SendRequestError};
+use client::{
+    ClientConnector, ClientRequest, ClientRequestBuilder, ClientResponse,
+    HttpResponseParserError, SendRequest, SendRequestError,
+};
 
 use super::frame::Frame;
 use super::proto::{CloseReason, OpCode};
@@ -218,8 +220,7 @@ impl Client {
             self.request.upgrade();
             self.request.set_header(header::UPGRADE, "websocket");
             self.request.set_header(header::CONNECTION, "upgrade");
-            self.request
-                .set_header(header::SEC_WEBSOCKET_VERSION, "13");
+            self.request.set_header(header::SEC_WEBSOCKET_VERSION, "13");
             self.request.with_connector(self.conn.clone());
 
             if let Some(protocols) = self.protocols.take() {
@@ -235,7 +236,9 @@ impl Client {
                 return ClientHandshake::error(ClientError::InvalidUrl);
             }
             if let Some(scheme) = request.uri().scheme_part() {
-                if scheme != "http" && scheme != "https" && scheme != "ws"
+                if scheme != "http"
+                    && scheme != "https"
+                    && scheme != "ws"
                     && scheme != "wss"
                 {
                     return ClientHandshake::error(ClientError::InvalidUrl);
@@ -394,10 +397,7 @@ impl Future for ClientHandshake {
                     encoded,
                     key
                 );
-                return Err(ClientError::InvalidChallengeResponse(
-                    encoded,
-                    key.clone(),
-                ));
+                return Err(ClientError::InvalidChallengeResponse(encoded, key.clone()));
             }
         } else {
             trace!("Missing SEC-WEBSOCKET-ACCEPT header");
@@ -518,46 +518,66 @@ impl ClientWriter {
     fn as_mut(&mut self) -> &mut Inner {
         unsafe { &mut *self.inner.get() }
     }
-}
 
-impl WsWriter for ClientWriter {
     /// Send text frame
     #[inline]
-    fn text<T: Into<Binary>>(&mut self, text: T) {
+    pub fn text<T: Into<Binary>>(&mut self, text: T) {
         self.write(Frame::message(text.into(), OpCode::Text, true, true));
     }
 
     /// Send binary frame
     #[inline]
-    fn binary<B: Into<Binary>>(&mut self, data: B) {
+    pub fn binary<B: Into<Binary>>(&mut self, data: B) {
         self.write(Frame::message(data, OpCode::Binary, true, true));
     }
 
     /// Send ping frame
     #[inline]
-    fn ping(&mut self, message: &str) {
-        self.write(Frame::message(
-            Vec::from(message),
-            OpCode::Ping,
-            true,
-            true,
-        ));
+    pub fn ping(&mut self, message: &str) {
+        self.write(Frame::message(Vec::from(message), OpCode::Ping, true, true));
     }
 
     /// Send pong frame
     #[inline]
-    fn pong(&mut self, message: &str) {
-        self.write(Frame::message(
-            Vec::from(message),
-            OpCode::Pong,
-            true,
-            true,
-        ));
+    pub fn pong(&mut self, message: &str) {
+        self.write(Frame::message(Vec::from(message), OpCode::Pong, true, true));
     }
 
     /// Send close frame
     #[inline]
-    fn close(&mut self, reason: Option<CloseReason>) {
+    pub fn close(&mut self, reason: Option<CloseReason>) {
         self.write(Frame::close(reason, true));
     }
 }
+
+impl WsWriter for ClientWriter {
+    /// Send text frame
+    #[inline]
+    fn send_text<T: Into<Binary>>(&mut self, text: T) {
+        self.text(text)
+    }
+
+    /// Send binary frame
+    #[inline]
+    fn send_binary<B: Into<Binary>>(&mut self, data: B) {
+        self.binary(data)
+    }
+
+    /// Send ping frame
+    #[inline]
+    fn send_ping(&mut self, message: &str) {
+        self.ping(message)
+    }
+
+    /// Send pong frame
+    #[inline]
+    fn send_pong(&mut self, message: &str) {
+        self.pong(message)
+    }
+
+    /// Send close frame
+    #[inline]
+    fn send_close(&mut self, reason: Option<CloseReason>) {
+        self.close(reason);
+    }
+}

src/ws/context.rs

@@ -5,8 +5,10 @@ use smallvec::SmallVec;
 
 use actix::dev::{ContextImpl, SyncEnvelope, ToEnvelope};
 use actix::fut::ActorFuture;
-use actix::{Actor, ActorContext, ActorState, Addr, AsyncContext, Handler, Message,
-            SpawnHandle, Syn, Unsync};
+use actix::{
+    Actor, ActorContext, ActorState, Addr, AsyncContext, Handler, Message, SpawnHandle,
+    Syn, Unsync,
+};
 
 use body::{Binary, Body};
 use context::{ActorHttpContext, Drain, Frame as ContextFrame};
@@ -64,7 +66,8 @@ where
     #[doc(hidden)]
     #[inline]
     fn waiting(&self) -> bool {
-        self.inner.waiting() || self.inner.state() == ActorState::Stopping
+        self.inner.waiting()
+            || self.inner.state() == ActorState::Stopping
             || self.inner.state() == ActorState::Stopped
     }
 
@@ -149,6 +152,46 @@ where
         Drain::new(rx)
     }
 
+    /// Send text frame
+    #[inline]
+    pub fn text<T: Into<Binary>>(&mut self, text: T) {
+        self.write(Frame::message(text.into(), OpCode::Text, true, false));
+    }
+
+    /// Send binary frame
+    #[inline]
+    pub fn binary<B: Into<Binary>>(&mut self, data: B) {
+        self.write(Frame::message(data, OpCode::Binary, true, false));
+    }
+
+    /// Send ping frame
+    #[inline]
+    pub fn ping(&mut self, message: &str) {
+        self.write(Frame::message(
+            Vec::from(message),
+            OpCode::Ping,
+            true,
+            false,
+        ));
+    }
+
+    /// Send pong frame
+    #[inline]
+    pub fn pong(&mut self, message: &str) {
+        self.write(Frame::message(
+            Vec::from(message),
+            OpCode::Pong,
+            true,
+            false,
+        ));
+    }
+
+    /// Send close frame
+    #[inline]
+    pub fn close(&mut self, reason: Option<CloseReason>) {
+        self.write(Frame::close(reason, false));
+    }
+
     /// Check if connection still open
     #[inline]
     pub fn connected(&self) -> bool {
@@ -181,42 +224,32 @@ where
 {
     /// Send text frame
     #[inline]
-    fn text<T: Into<Binary>>(&mut self, text: T) {
-        self.write(Frame::message(text.into(), OpCode::Text, true, false));
+    fn send_text<T: Into<Binary>>(&mut self, text: T) {
+        self.text(text)
     }
 
     /// Send binary frame
     #[inline]
-    fn binary<B: Into<Binary>>(&mut self, data: B) {
-        self.write(Frame::message(data, OpCode::Binary, true, false));
+    fn send_binary<B: Into<Binary>>(&mut self, data: B) {
+        self.binary(data)
     }
 
     /// Send ping frame
     #[inline]
-    fn ping(&mut self, message: &str) {
-        self.write(Frame::message(
-            Vec::from(message),
-            OpCode::Ping,
-            true,
-            false,
-        ));
+    fn send_ping(&mut self, message: &str) {
+        self.ping(message)
     }
 
     /// Send pong frame
     #[inline]
-    fn pong(&mut self, message: &str) {
-        self.write(Frame::message(
-            Vec::from(message),
-            OpCode::Pong,
-            true,
-            false,
-        ));
+    fn send_pong(&mut self, message: &str) {
+        self.pong(message)
     }
 
     /// Send close frame
     #[inline]
-    fn close(&mut self, reason: Option<CloseReason>) {
-        self.write(Frame::close(reason, false));
+    fn send_close(&mut self, reason: Option<CloseReason>) {
+        self.close(reason)
     }
 }
 

src/ws/frame.rs

@@ -123,9 +123,7 @@ impl Frame {
             None
         };
 
-        Ok(Async::Ready(Some((
-            idx, finished, opcode, length, mask,
-        ))))
+        Ok(Async::Ready(Some((idx, finished, opcode, length, mask))))
     }
 
     fn read_chunk_md(
@@ -284,10 +282,7 @@ impl Frame {
             } else {
                 None
             };
-            Some(CloseReason {
-                code,
-                description,
-            })
+            Some(CloseReason { code, description })
         } else {
             None
         }

src/ws/mod.rs

@@ -62,7 +62,9 @@ mod frame;
 mod mask;
 mod proto;
 
-pub use self::client::{Client, ClientError, ClientHandshake, ClientReader, ClientWriter};
+pub use self::client::{
+    Client, ClientError, ClientHandshake, ClientReader, ClientWriter,
+};
 pub use self::context::WebsocketContext;
 pub use self::frame::Frame;
 pub use self::proto::{CloseCode, CloseReason, OpCode};
@@ -216,9 +218,7 @@ pub fn handshake<S>(
     }
 
     // check supported version
-    if !req.headers()
-        .contains_key(header::SEC_WEBSOCKET_VERSION)
-    {
+    if !req.headers().contains_key(header::SEC_WEBSOCKET_VERSION) {
         return Err(HandshakeError::NoVersionHeader);
     }
     let supported_ver = {
@@ -343,15 +343,15 @@ where
 /// Common writing methods for a websocket.
 pub trait WsWriter {
     /// Send a text
-    fn text<T: Into<Binary>>(&mut self, text: T);
+    fn send_text<T: Into<Binary>>(&mut self, text: T);
     /// Send a binary
-    fn binary<B: Into<Binary>>(&mut self, data: B);
+    fn send_binary<B: Into<Binary>>(&mut self, data: B);
     /// Send a ping message
-    fn ping(&mut self, message: &str);
+    fn send_ping(&mut self, message: &str);
     /// Send a pong message
-    fn pong(&mut self, message: &str);
+    fn send_pong(&mut self, message: &str);
     /// Close the connection
-    fn close(&mut self, reason: Option<CloseReason>);
+    fn send_close(&mut self, reason: Option<CloseReason>);
 }
 
 #[cfg(test)]
@@ -387,10 +387,7 @@ mod tests {
         );
 
         let mut headers = HeaderMap::new();
-        headers.insert(
-            header::UPGRADE,
-            header::HeaderValue::from_static("test"),
-        );
+        headers.insert(header::UPGRADE, header::HeaderValue::from_static("test"));
         let req = HttpRequest::new(
             Method::GET,
             Uri::from_str("/").unwrap(),

tests/test_client.rs

@@ -73,10 +73,7 @@ fn test_with_query_parameter() {
         })
     });
 
-    let request = srv.get()
-        .uri(srv.url("/?qp=5").as_str())
-        .finish()
-        .unwrap();
+    let request = srv.get().uri(srv.url("/?qp=5").as_str()).finish().unwrap();
 
     let response = srv.execute(request.send()).unwrap();
     assert!(response.status().is_success());
@@ -125,7 +122,8 @@ fn test_client_gzip_encoding() {
     });
 
     // client request
-    let request = srv.post()
+    let request = srv
+        .post()
         .content_encoding(http::ContentEncoding::Gzip)
         .body(STR)
         .unwrap();
@@ -154,7 +152,8 @@ fn test_client_gzip_encoding_large() {
     });
 
     // client request
-    let request = srv.post()
+    let request = srv
+        .post()
         .content_encoding(http::ContentEncoding::Gzip)
         .body(data.clone())
         .unwrap();
@@ -186,7 +185,8 @@ fn test_client_gzip_encoding_large_random() {
     });
 
     // client request
-    let request = srv.post()
+    let request = srv
+        .post()
         .content_encoding(http::ContentEncoding::Gzip)
         .body(data.clone())
         .unwrap();
@@ -214,7 +214,8 @@ fn test_client_brotli_encoding() {
     });
 
     // client request
-    let request = srv.client(http::Method::POST, "/")
+    let request = srv
+        .client(http::Method::POST, "/")
         .content_encoding(http::ContentEncoding::Br)
         .body(STR)
         .unwrap();
@@ -247,7 +248,8 @@ fn test_client_brotli_encoding_large_random() {
     });
 
     // client request
-    let request = srv.client(http::Method::POST, "/")
+    let request = srv
+        .client(http::Method::POST, "/")
         .content_encoding(http::ContentEncoding::Br)
         .body(data.clone())
         .unwrap();
@@ -276,7 +278,8 @@ fn test_client_deflate_encoding() {
     });
 
     // client request
-    let request = srv.post()
+    let request = srv
+        .post()
         .content_encoding(http::ContentEncoding::Deflate)
         .body(STR)
         .unwrap();
@@ -309,7 +312,8 @@ fn test_client_deflate_encoding_large_random() {
     });
 
     // client request
-    let request = srv.post()
+    let request = srv
+        .post()
         .content_encoding(http::ContentEncoding::Deflate)
         .body(data.clone())
         .unwrap();
@@ -339,9 +343,7 @@ fn test_client_streaming_explicit() {
 
     let body = once(Ok(Bytes::from_static(STR.as_ref())));
 
-    let request = srv.get()
-        .body(Body::Streaming(Box::new(body)))
-        .unwrap();
+    let request = srv.get().body(Body::Streaming(Box::new(body))).unwrap();
     let response = srv.execute(request.send()).unwrap();
     assert!(response.status().is_success());
 
@@ -414,7 +416,8 @@ fn test_client_cookie_handling() {
         })
     });
 
-    let request = srv.get()
+    let request = srv
+        .get()
         .cookie(cookie1.clone())
         .cookie(cookie2.clone())
         .finish()

tests/test_handlers.rs

@@ -9,6 +9,7 @@ extern crate tokio_core;
 extern crate serde_derive;
 extern crate serde_json;
 
+use std::io;
 use std::time::Duration;
 
 use actix::*;
@@ -33,10 +34,7 @@ fn test_path_extractor() {
     });
 
     // client request
-    let request = srv.get()
-        .uri(srv.url("/test/index.html"))
-        .finish()
-        .unwrap();
+    let request = srv.get().uri(srv.url("/test/index.html")).finish().unwrap();
     let response = srv.execute(request.send()).unwrap();
     assert!(response.status().is_success());
 
@@ -54,7 +52,8 @@ fn test_query_extractor() {
     });
 
     // client request
-    let request = srv.get()
+    let request = srv
+        .get()
         .uri(srv.url("/index.html?username=test"))
         .finish()
         .unwrap();
@@ -66,10 +65,7 @@ fn test_query_extractor() {
     assert_eq!(bytes, Bytes::from_static(b"Welcome test!"));
 
     // client request
-    let request = srv.get()
-        .uri(srv.url("/index.html"))
-        .finish()
-        .unwrap();
+    let request = srv.get().uri(srv.url("/index.html")).finish().unwrap();
     let response = srv.execute(request.send()).unwrap();
     assert_eq!(response.status(), StatusCode::BAD_REQUEST);
 }
@@ -88,7 +84,8 @@ fn test_async_extractor_async() {
     });
 
     // client request
-    let request = srv.post()
+    let request = srv
+        .post()
         .uri(srv.url("/test1/index.html"))
         .header("content-type", "application/json")
         .body("{\"test\": 1}")
@@ -112,7 +109,8 @@ fn test_path_and_query_extractor() {
     });
 
     // client request
-    let request = srv.get()
+    let request = srv
+        .get()
         .uri(srv.url("/test1/index.html?username=test2"))
         .finish()
         .unwrap();
@@ -124,7 +122,8 @@ fn test_path_and_query_extractor() {
     assert_eq!(bytes, Bytes::from_static(b"Welcome test1 - test2!"));
 
     // client request
-    let request = srv.get()
+    let request = srv
+        .get()
         .uri(srv.url("/test1/index.html"))
         .finish()
         .unwrap();
@@ -144,7 +143,8 @@ fn test_path_and_query_extractor2() {
     });
 
     // client request
-    let request = srv.get()
+    let request = srv
+        .get()
         .uri(srv.url("/test1/index.html?username=test2"))
         .finish()
         .unwrap();
@@ -156,7 +156,8 @@ fn test_path_and_query_extractor2() {
     assert_eq!(bytes, Bytes::from_static(b"Welcome test1 - test2!"));
 
     // client request
-    let request = srv.get()
+    let request = srv
+        .get()
         .uri(srv.url("/test1/index.html"))
         .finish()
         .unwrap();
@@ -168,21 +169,21 @@ fn test_path_and_query_extractor2() {
 fn test_path_and_query_extractor2_async() {
     let mut srv = test::TestServer::new(|app| {
         app.resource("/{username}/index.html", |r| {
-            r.route().with3(
-                |p: Path<PParam>, _: Query<PParam>, data: Json<Value>| {
+            r.route()
+                .with3(|p: Path<PParam>, _: Query<PParam>, data: Json<Value>| {
                     Timeout::new(Duration::from_millis(10), &Arbiter::handle())
                         .unwrap()
                         .and_then(move |_| {
                             Ok(format!("Welcome {} - {}!", p.username, data.0))
                         })
                         .responder()
-                },
-            )
+                })
         });
     });
 
     // client request
-    let request = srv.post()
+    let request = srv
+        .post()
         .uri(srv.url("/test1/index.html?username=test2"))
         .header("content-type", "application/json")
         .body("{\"test\": 1}")
@@ -192,10 +193,7 @@ fn test_path_and_query_extractor2_async() {
 
     // read response
     let bytes = srv.execute(response.body()).unwrap();
-    assert_eq!(
-        bytes,
-        Bytes::from_static(b"Welcome test1 - {\"test\":1}!")
-    );
+    assert_eq!(bytes, Bytes::from_static(b"Welcome test1 - {\"test\":1}!"));
 }
 
 #[test]
@@ -214,7 +212,8 @@ fn test_path_and_query_extractor3_async() {
     });
 
     // client request
-    let request = srv.post()
+    let request = srv
+        .post()
         .uri(srv.url("/test1/index.html"))
         .header("content-type", "application/json")
         .body("{\"test\": 1}")
@@ -239,7 +238,8 @@ fn test_path_and_query_extractor4_async() {
     });
 
     // client request
-    let request = srv.post()
+    let request = srv
+        .post()
         .uri(srv.url("/test1/index.html"))
         .header("content-type", "application/json")
         .body("{\"test\": 1}")
@@ -252,21 +252,21 @@ fn test_path_and_query_extractor4_async() {
 fn test_path_and_query_extractor2_async2() {
     let mut srv = test::TestServer::new(|app| {
         app.resource("/{username}/index.html", |r| {
-            r.route().with3(
-                |p: Path<PParam>, data: Json<Value>, _: Query<PParam>| {
+            r.route()
+                .with3(|p: Path<PParam>, data: Json<Value>, _: Query<PParam>| {
                     Timeout::new(Duration::from_millis(10), &Arbiter::handle())
                         .unwrap()
                         .and_then(move |_| {
                             Ok(format!("Welcome {} - {}!", p.username, data.0))
                         })
                         .responder()
-                },
-            )
+                })
         });
     });
 
     // client request
-    let request = srv.post()
+    let request = srv
+        .post()
         .uri(srv.url("/test1/index.html?username=test2"))
         .header("content-type", "application/json")
         .body("{\"test\": 1}")
@@ -276,13 +276,11 @@ fn test_path_and_query_extractor2_async2() {
 
     // read response
     let bytes = srv.execute(response.body()).unwrap();
-    assert_eq!(
-        bytes,
-        Bytes::from_static(b"Welcome test1 - {\"test\":1}!")
-    );
+    assert_eq!(bytes, Bytes::from_static(b"Welcome test1 - {\"test\":1}!"));
 
     // client request
-    let request = srv.get()
+    let request = srv
+        .get()
         .uri(srv.url("/test1/index.html"))
         .finish()
         .unwrap();
@@ -294,21 +292,21 @@ fn test_path_and_query_extractor2_async2() {
 fn test_path_and_query_extractor2_async3() {
     let mut srv = test::TestServer::new(|app| {
         app.resource("/{username}/index.html", |r| {
-            r.route().with3(
-                |data: Json<Value>, p: Path<PParam>, _: Query<PParam>| {
+            r.route()
+                .with3(|data: Json<Value>, p: Path<PParam>, _: Query<PParam>| {
                     Timeout::new(Duration::from_millis(10), &Arbiter::handle())
                         .unwrap()
                         .and_then(move |_| {
                             Ok(format!("Welcome {} - {}!", p.username, data.0))
                         })
                         .responder()
-                },
-            )
+                })
         });
     });
 
     // client request
-    let request = srv.post()
+    let request = srv
+        .post()
         .uri(srv.url("/test1/index.html?username=test2"))
         .header("content-type", "application/json")
         .body("{\"test\": 1}")
@@ -318,13 +316,11 @@ fn test_path_and_query_extractor2_async3() {
 
     // read response
     let bytes = srv.execute(response.body()).unwrap();
-    assert_eq!(
-        bytes,
-        Bytes::from_static(b"Welcome test1 - {\"test\":1}!")
-    );
+    assert_eq!(bytes, Bytes::from_static(b"Welcome test1 - {\"test\":1}!"));
 
     // client request
-    let request = srv.get()
+    let request = srv
+        .get()
         .uri(srv.url("/test1/index.html"))
         .finish()
         .unwrap();
@@ -341,11 +337,7 @@ fn test_path_and_query_extractor2_async4() {
                     Timeout::new(Duration::from_millis(10), &Arbiter::handle())
                         .unwrap()
                         .and_then(move |_| {
-                            Ok(format!(
-                                "Welcome {} - {}!",
-                                data.1.username,
-                                (data.0).0
-                            ))
+                            Ok(format!("Welcome {} - {}!", data.1.username, (data.0).0))
                         })
                         .responder()
                 })
@@ -353,7 +345,8 @@ fn test_path_and_query_extractor2_async4() {
     });
 
     // client request
-    let request = srv.post()
+    let request = srv
+        .post()
         .uri(srv.url("/test1/index.html?username=test2"))
         .header("content-type", "application/json")
         .body("{\"test\": 1}")
@@ -363,13 +356,11 @@ fn test_path_and_query_extractor2_async4() {
 
     // read response
     let bytes = srv.execute(response.body()).unwrap();
-    assert_eq!(
-        bytes,
-        Bytes::from_static(b"Welcome test1 - {\"test\":1}!")
-    );
+    assert_eq!(bytes, Bytes::from_static(b"Welcome test1 - {\"test\":1}!"));
 
     // client request
-    let request = srv.get()
+    let request = srv
+        .get()
         .uri(srv.url("/test1/index.html"))
         .finish()
         .unwrap();
@@ -377,6 +368,77 @@ fn test_path_and_query_extractor2_async4() {
     assert_eq!(response.status(), StatusCode::BAD_REQUEST);
 }
 
+#[cfg(actix_impl_trait)]
+fn test_impl_trait(
+    data: (Json<Value>, Path<PParam>, Query<PParam>),
+) -> impl Future<Item = String, Error = io::Error> {
+    Timeout::new(Duration::from_millis(10), &Arbiter::handle())
+        .unwrap()
+        .and_then(move |_| Ok(format!("Welcome {} - {}!", data.1.username, (data.0).0)))
+}
+
+#[cfg(actix_impl_trait)]
+fn test_impl_trait_err(
+    _data: (Json<Value>, Path<PParam>, Query<PParam>),
+) -> impl Future<Item = String, Error = io::Error> {
+    Timeout::new(Duration::from_millis(10), &Arbiter::handle())
+        .unwrap()
+        .and_then(move |_| Err(io::Error::new(io::ErrorKind::Other, "other")))
+}
+
+#[cfg(actix_impl_trait)]
+#[test]
+fn test_path_and_query_extractor2_async4_impl_trait() {
+    let mut srv = test::TestServer::new(|app| {
+        app.resource("/{username}/index.html", |r| {
+            r.route().with_async(test_impl_trait)
+        });
+    });
+
+    // client request
+    let request = srv
+        .post()
+        .uri(srv.url("/test1/index.html?username=test2"))
+        .header("content-type", "application/json")
+        .body("{\"test\": 1}")
+        .unwrap();
+    let response = srv.execute(request.send()).unwrap();
+    assert!(response.status().is_success());
+
+    // read response
+    let bytes = srv.execute(response.body()).unwrap();
+    assert_eq!(bytes, Bytes::from_static(b"Welcome test1 - {\"test\":1}!"));
+
+    // client request
+    let request = srv
+        .get()
+        .uri(srv.url("/test1/index.html"))
+        .finish()
+        .unwrap();
+    let response = srv.execute(request.send()).unwrap();
+    assert_eq!(response.status(), StatusCode::BAD_REQUEST);
+}
+
+#[cfg(actix_impl_trait)]
+#[test]
+fn test_path_and_query_extractor2_async4_impl_trait_err() {
+    let mut srv = test::TestServer::new(|app| {
+        app.resource("/{username}/index.html", |r| {
+            r.route().with_async(test_impl_trait_err)
+        });
+    });
+
+    // client request
+    let request = srv
+        .post()
+        .uri(srv.url("/test1/index.html?username=test2"))
+        .header("content-type", "application/json")
+        .body("{\"test\": 1}")
+        .unwrap();
+    let response = srv.execute(request.send()).unwrap();
+    assert_eq!(response.status(), StatusCode::INTERNAL_SERVER_ERROR);
+}
+
 #[test]
 fn test_non_ascii_route() {
     let mut srv = test::TestServer::new(|app| {
@@ -384,7 +446,8 @@ fn test_non_ascii_route() {
     });
 
     // client request
-    let request = srv.get()
+    let request = srv
+        .get()
         .uri(srv.url("/中文/index.html"))
         .finish()
         .unwrap();
@@ -405,7 +468,8 @@ fn test_unsafe_path_route() {
     });
 
     // client request
-    let request = srv.get()
+    let request = srv
+        .get()
         .uri(srv.url("/test/http%3A%2F%2Fexample.com"))
         .finish()
         .unwrap();

tests/test_middleware.rs

@@ -21,28 +21,22 @@ struct MiddlewareTest {
 
 impl<S> middleware::Middleware<S> for MiddlewareTest {
     fn start(&self, _: &mut HttpRequest<S>) -> Result<middleware::Started> {
-        self.start.store(
-            self.start.load(Ordering::Relaxed) + 1,
-            Ordering::Relaxed,
-        );
+        self.start
+            .store(self.start.load(Ordering::Relaxed) + 1, Ordering::Relaxed);
         Ok(middleware::Started::Done)
     }
 
     fn response(
         &self, _: &mut HttpRequest<S>, resp: HttpResponse,
     ) -> Result<middleware::Response> {
-        self.response.store(
-            self.response.load(Ordering::Relaxed) + 1,
-            Ordering::Relaxed,
-        );
+        self.response
+            .store(self.response.load(Ordering::Relaxed) + 1, Ordering::Relaxed);
         Ok(middleware::Response::Done(resp))
     }
 
     fn finish(&self, _: &mut HttpRequest<S>, _: &HttpResponse) -> middleware::Finished {
-        self.finish.store(
-            self.finish.load(Ordering::Relaxed) + 1,
-            Ordering::Relaxed,
-        );
+        self.finish
+            .store(self.finish.load(Ordering::Relaxed) + 1, Ordering::Relaxed);
         middleware::Finished::Done
     }
 }
@@ -187,10 +181,7 @@ fn test_scope_middleware() {
         })
     });
 
-    let request = srv.get()
-        .uri(srv.url("/scope/test"))
-        .finish()
-        .unwrap();
+    let request = srv.get().uri(srv.url("/scope/test")).finish().unwrap();
     let response = srv.execute(request.send()).unwrap();
     assert!(response.status().is_success());
 
@@ -226,10 +217,7 @@ fn test_scope_middleware_multiple() {
         })
     });
 
-    let request = srv.get()
-        .uri(srv.url("/scope/test"))
-        .finish()
-        .unwrap();
+    let request = srv.get().uri(srv.url("/scope/test")).finish().unwrap();
     let response = srv.execute(request.send()).unwrap();
     assert!(response.status().is_success());
 
@@ -337,10 +325,7 @@ fn test_scope_middleware_async_handler() {
         })
     });
 
-    let request = srv.get()
-        .uri(srv.url("/scope/test"))
-        .finish()
-        .unwrap();
+    let request = srv.get().uri(srv.url("/scope/test")).finish().unwrap();
     let response = srv.execute(request.send()).unwrap();
     assert!(response.status().is_success());
 
@@ -402,10 +387,7 @@ fn test_scope_middleware_async_error() {
         })
     });
 
-    let request = srv.get()
-        .uri(srv.url("/scope/test"))
-        .finish()
-        .unwrap();
+    let request = srv.get().uri(srv.url("/scope/test")).finish().unwrap();
     let response = srv.execute(request.send()).unwrap();
     assert_eq!(response.status(), http::StatusCode::BAD_REQUEST);
 
@@ -555,6 +537,42 @@ fn test_async_middleware_multiple() {
     assert_eq!(num3.load(Ordering::Relaxed), 2);
 }
 
+#[test]
+fn test_async_sync_middleware_multiple() {
+    let num1 = Arc::new(AtomicUsize::new(0));
+    let num2 = Arc::new(AtomicUsize::new(0));
+    let num3 = Arc::new(AtomicUsize::new(0));
+
+    let act_num1 = Arc::clone(&num1);
+    let act_num2 = Arc::clone(&num2);
+    let act_num3 = Arc::clone(&num3);
+
+    let mut srv = test::TestServer::with_factory(move || {
+        App::new()
+            .middleware(MiddlewareAsyncTest {
+                start: Arc::clone(&act_num1),
+                response: Arc::clone(&act_num2),
+                finish: Arc::clone(&act_num3),
+            })
+            .middleware(MiddlewareTest {
+                start: Arc::clone(&act_num1),
+                response: Arc::clone(&act_num2),
+                finish: Arc::clone(&act_num3),
+            })
+            .resource("/test", |r| r.f(|_| HttpResponse::Ok()))
+    });
+
+    let request = srv.get().uri(srv.url("/test")).finish().unwrap();
+    let response = srv.execute(request.send()).unwrap();
+    assert!(response.status().is_success());
+
+    assert_eq!(num1.load(Ordering::Relaxed), 2);
+    assert_eq!(num2.load(Ordering::Relaxed), 2);
+
+    thread::sleep(Duration::from_millis(50));
+    assert_eq!(num3.load(Ordering::Relaxed), 2);
+}
+
 #[test]
 fn test_async_scope_middleware() {
     let num1 = Arc::new(AtomicUsize::new(0));
@@ -577,10 +595,7 @@ fn test_async_scope_middleware() {
         })
     });
 
-    let request = srv.get()
-        .uri(srv.url("/scope/test"))
-        .finish()
-        .unwrap();
+    let request = srv.get().uri(srv.url("/scope/test")).finish().unwrap();
     let response = srv.execute(request.send()).unwrap();
     assert!(response.status().is_success());
 
@@ -618,10 +633,45 @@ fn test_async_scope_middleware_multiple() {
         })
     });
 
-    let request = srv.get()
-        .uri(srv.url("/scope/test"))
-        .finish()
-        .unwrap();
+    let request = srv.get().uri(srv.url("/scope/test")).finish().unwrap();
+    let response = srv.execute(request.send()).unwrap();
+    assert!(response.status().is_success());
+
+    assert_eq!(num1.load(Ordering::Relaxed), 2);
+    assert_eq!(num2.load(Ordering::Relaxed), 2);
+
+    thread::sleep(Duration::from_millis(20));
+    assert_eq!(num3.load(Ordering::Relaxed), 2);
+}
+
+#[test]
+fn test_async_async_scope_middleware_multiple() {
+    let num1 = Arc::new(AtomicUsize::new(0));
+    let num2 = Arc::new(AtomicUsize::new(0));
+    let num3 = Arc::new(AtomicUsize::new(0));
+
+    let act_num1 = Arc::clone(&num1);
+    let act_num2 = Arc::clone(&num2);
+    let act_num3 = Arc::clone(&num3);
+
+    let mut srv = test::TestServer::with_factory(move || {
+        App::new().scope("/scope", |scope| {
+            scope
+                .middleware(MiddlewareAsyncTest {
+                    start: Arc::clone(&act_num1),
+                    response: Arc::clone(&act_num2),
+                    finish: Arc::clone(&act_num3),
+                })
+                .middleware(MiddlewareTest {
+                    start: Arc::clone(&act_num1),
+                    response: Arc::clone(&act_num2),
+                    finish: Arc::clone(&act_num3),
+                })
+                .resource("/test", |r| r.f(|_| HttpResponse::Ok()))
+        })
+    });
+
+    let request = srv.get().uri(srv.url("/scope/test")).finish().unwrap();
     let response = srv.execute(request.send()).unwrap();
     assert!(response.status().is_success());
 
@@ -703,3 +753,42 @@ fn test_async_resource_middleware_multiple() {
     thread::sleep(Duration::from_millis(40));
     assert_eq!(num3.load(Ordering::Relaxed), 2);
 }
+
+#[test]
+fn test_async_sync_resource_middleware_multiple() {
+    let num1 = Arc::new(AtomicUsize::new(0));
+    let num2 = Arc::new(AtomicUsize::new(0));
+    let num3 = Arc::new(AtomicUsize::new(0));
+
+    let act_num1 = Arc::clone(&num1);
+    let act_num2 = Arc::clone(&num2);
+    let act_num3 = Arc::clone(&num3);
+
+    let mut srv = test::TestServer::with_factory(move || {
+        let mw1 = MiddlewareAsyncTest {
+            start: Arc::clone(&act_num1),
+            response: Arc::clone(&act_num2),
+            finish: Arc::clone(&act_num3),
+        };
+        let mw2 = MiddlewareTest {
+            start: Arc::clone(&act_num1),
+            response: Arc::clone(&act_num2),
+            finish: Arc::clone(&act_num3),
+        };
+        App::new().resource("/test", move |r| {
+            r.middleware(mw1);
+            r.middleware(mw2);
+            r.h(|_| HttpResponse::Ok());
+        })
+    });
+
+    let request = srv.get().uri(srv.url("/test")).finish().unwrap();
+    let response = srv.execute(request.send()).unwrap();
+    assert!(response.status().is_success());
+
+    assert_eq!(num1.load(Ordering::Relaxed), 2);
+    assert_eq!(num2.load(Ordering::Relaxed), 2);
+
+    thread::sleep(Duration::from_millis(40));
+    assert_eq!(num3.load(Ordering::Relaxed), 2);
+}

tests/test_server.rs

@@ -337,11 +337,7 @@ fn test_body_br_streaming() {
 #[test]
 fn test_head_empty() {
     let mut srv = test::TestServer::new(|app| {
-        app.handler(|_| {
-            HttpResponse::Ok()
-                .content_length(STR.len() as u64)
-                .finish()
-        })
+        app.handler(|_| HttpResponse::Ok().content_length(STR.len() as u64).finish())
     });
 
     let request = srv.head().finish().unwrap();
@@ -529,7 +525,8 @@ fn test_gzip_encoding() {
     e.write_all(STR.as_ref()).unwrap();
     let enc = e.finish().unwrap();
 
-    let request = srv.post()
+    let request = srv
+        .post()
         .header(http::header::CONTENT_ENCODING, "gzip")
         .body(enc.clone())
         .unwrap();
@@ -561,7 +558,8 @@ fn test_gzip_encoding_large() {
     e.write_all(data.as_ref()).unwrap();
     let enc = e.finish().unwrap();
 
-    let request = srv.post()
+    let request = srv
+        .post()
         .header(http::header::CONTENT_ENCODING, "gzip")
         .body(enc.clone())
         .unwrap();
@@ -597,7 +595,8 @@ fn test_reading_gzip_encoding_large_random() {
     e.write_all(data.as_ref()).unwrap();
     let enc = e.finish().unwrap();
 
-    let request = srv.post()
+    let request = srv
+        .post()
         .header(http::header::CONTENT_ENCODING, "gzip")
         .body(enc.clone())
         .unwrap();
@@ -629,7 +628,8 @@ fn test_reading_deflate_encoding() {
     let enc = e.finish().unwrap();
 
     // client request
-    let request = srv.post()
+    let request = srv
+        .post()
         .header(http::header::CONTENT_ENCODING, "deflate")
         .body(enc)
         .unwrap();
@@ -661,7 +661,8 @@ fn test_reading_deflate_encoding_large() {
     let enc = e.finish().unwrap();
 
     // client request
-    let request = srv.post()
+    let request = srv
+        .post()
         .header(http::header::CONTENT_ENCODING, "deflate")
         .body(enc)
         .unwrap();
@@ -697,7 +698,8 @@ fn test_reading_deflate_encoding_large_random() {
     let enc = e.finish().unwrap();
 
     // client request
-    let request = srv.post()
+    let request = srv
+        .post()
         .header(http::header::CONTENT_ENCODING, "deflate")
         .body(enc)
         .unwrap();
@@ -730,7 +732,8 @@ fn test_brotli_encoding() {
     let enc = e.finish().unwrap();
 
     // client request
-    let request = srv.post()
+    let request = srv
+        .post()
         .header(http::header::CONTENT_ENCODING, "br")
         .body(enc)
         .unwrap();
@@ -763,7 +766,8 @@ fn test_brotli_encoding_large() {
     let enc = e.finish().unwrap();
 
     // client request
-    let request = srv.post()
+    let request = srv
+        .post()
         .header(http::header::CONTENT_ENCODING, "br")
         .body(enc)
         .unwrap();
@@ -784,7 +788,8 @@ fn test_h2() {
     let handle = core.handle();
     let tcp = TcpStream::connect(&addr, &handle);
 
-    let tcp = tcp.then(|res| h2client::handshake(res.unwrap()))
+    let tcp = tcp
+        .then(|res| h2client::handshake(res.unwrap()))
         .then(move |res| {
             let (mut client, h2) = res.unwrap();
 
@@ -809,7 +814,7 @@ fn test_h2() {
             })
         });
     let _res = core.run(tcp);
-    // assert_eq!(res.unwrap(), Bytes::from_static(STR.as_ref()));
+    // assert_eq!(_res.unwrap(), Bytes::from_static(STR.as_ref()));
 }
 
 #[test]

tests/test_ws.rs

@@ -46,9 +46,7 @@ fn test_simple() {
     let (item, reader) = srv.execute(reader.into_future()).unwrap();
     assert_eq!(
         item,
-        Some(ws::Message::Binary(
-            Bytes::from_static(b"text").into()
-        ))
+        Some(ws::Message::Binary(Bytes::from_static(b"text").into()))
     );
 
     writer.ping("ping");
@@ -117,10 +115,7 @@ fn test_large_bin() {
         writer.binary(data.clone());
         let (item, r) = srv.execute(reader.into_future()).unwrap();
         reader = r;
-        assert_eq!(
-            item,
-            Some(ws::Message::Binary(Binary::from(data.clone())))
-        );
+        assert_eq!(item, Some(ws::Message::Binary(Binary::from(data.clone()))));
     }
 }
 
@@ -231,19 +226,17 @@ fn test_ws_server_ssl() {
         .set_certificate_chain_file("tests/cert.pem")
         .unwrap();
 
-    let mut srv = test::TestServer::build()
-        .ssl(builder.build())
-        .start(|app| {
-            app.handler(|req| {
-                ws::start(
-                    req,
-                    Ws2 {
-                        count: 0,
-                        bin: false,
-                    },
-                )
-            })
-        });
+    let mut srv = test::TestServer::build().ssl(builder.build()).start(|app| {
+        app.handler(|req| {
+            ws::start(
+                req,
+                Ws2 {
+                    count: 0,
+                    bin: false,
+                },
+            )
+        })
+    });
     let (mut reader, _writer) = srv.ws().unwrap();
 
     let data = Some(ws::Message::Text("0".repeat(65_536)));

tools/wsload/src/wsclient.rs

@@ -82,43 +82,40 @@ fn main() {
         let perf = perf_counters.clone();
         let addr = Arbiter::new(format!("test {}", t));
 
-        addr.do_send(actix::msgs::Execute::new(
-            move || -> Result<(), ()> {
-                for _ in 0..concurrency {
-                    let pl2 = pl.clone();
-                    let perf2 = perf.clone();
-                    let ws2 = ws.clone();
+        addr.do_send(actix::msgs::Execute::new(move || -> Result<(), ()> {
+            for _ in 0..concurrency {
+                let pl2 = pl.clone();
+                let perf2 = perf.clone();
+                let ws2 = ws.clone();
 
-                    Arbiter::handle().spawn(
-                        ws::Client::new(&ws)
-                            .write_buffer_capacity(0)
-                            .connect()
-                            .map_err(|e| {
-                                println!("Error: {}", e);
-                                //Arbiter::system().do_send(actix::msgs::SystemExit(0));
-                                ()
-                            })
-                            .map(move |(reader, writer)| {
-                                let addr: Addr<Syn, _> =
-                                    ChatClient::create(move |ctx| {
-                                        ChatClient::add_stream(reader, ctx);
-                                        ChatClient {
-                                            url: ws2,
-                                            conn: writer,
-                                            payload: pl2,
-                                            bin: bin,
-                                            ts: time::precise_time_ns(),
-                                            perf_counters: perf2,
-                                            sent: 0,
-                                            max_payload_size: max_payload_size,
-                                        }
-                                    });
-                            }),
-                    );
-                }
-                Ok(())
-            },
-        ));
+                Arbiter::handle().spawn(
+                    ws::Client::new(&ws)
+                        .write_buffer_capacity(0)
+                        .connect()
+                        .map_err(|e| {
+                            println!("Error: {}", e);
+                            //Arbiter::system().do_send(actix::msgs::SystemExit(0));
+                            ()
+                        })
+                        .map(move |(reader, writer)| {
+                            let addr: Addr<Syn, _> = ChatClient::create(move |ctx| {
+                                ChatClient::add_stream(reader, ctx);
+                                ChatClient {
+                                    url: ws2,
+                                    conn: writer,
+                                    payload: pl2,
+                                    bin: bin,
+                                    ts: time::precise_time_ns(),
+                                    perf_counters: perf2,
+                                    sent: 0,
+                                    max_payload_size: max_payload_size,
+                                }
+                            });
+                        }),
+                );
+            }
+            Ok(())
+        }));
     }
 
     let res = sys.run();
@@ -126,10 +123,7 @@ fn main() {
 
 fn parse_u64_default(input: Option<&str>, default: u64) -> u64 {
     input
-        .map(|v| {
-            v.parse()
-                .expect(&format!("not a valid number: {}", v))
-        })
+        .map(|v| v.parse().expect(&format!("not a valid number: {}", v)))
         .unwrap_or(default)
 }
 
@@ -314,7 +308,8 @@ impl PerfCounters {
         loop {
             let current = self.lat_max.load(Ordering::SeqCst);
             if current >= nanos
-                || self.lat_max
+                || self
+                    .lat_max
                     .compare_and_swap(current, nanos, Ordering::SeqCst)
                     == current
             {