remove unused code

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "actix-web"
-version = "0.7.10"
+version = "0.7.11"
 authors = ["Nikolay Kim <fafhrd91@gmail.com>"]
 description = "Actix web is a simple, pragmatic and extremely fast web framework for Rust."
 readme = "README.md"

README.md

@@ -8,7 +8,6 @@ Actix web is a simple, pragmatic and extremely fast web framework for Rust.
 * Client/server [WebSockets](https://actix.rs/docs/websockets/) support
 * Transparent content compression/decompression (br, gzip, deflate)
 * Configurable [request routing](https://actix.rs/docs/url-dispatch/)
-* Graceful server shutdown
 * Multipart streams
 * Static assets
 * SSL support with OpenSSL or `native-tls`
@@ -51,7 +50,7 @@ fn main() {
 * [Protobuf support](https://github.com/actix/examples/tree/master/protobuf/)
 * [Multipart streams](https://github.com/actix/examples/tree/master/multipart/)
 * [Simple websocket](https://github.com/actix/examples/tree/master/websocket/)
-* [Tera](https://github.com/actix/examples/tree/master/template_tera/) / 
+* [Tera](https://github.com/actix/examples/tree/master/template_tera/) /
   [Askama](https://github.com/actix/examples/tree/master/template_askama/) templates
 * [Diesel integration](https://github.com/actix/examples/tree/master/diesel/)
 * [r2d2](https://github.com/actix/examples/tree/master/r2d2/)
@@ -66,8 +65,6 @@ You may consider checking out
 
 * [TechEmpower Framework Benchmark](https://www.techempower.com/benchmarks/#section=data-r16&hw=ph&test=plaintext)
 
-* Some basic benchmarks could be found in this [repository](https://github.com/fafhrd91/benchmarks).
-
 ## License
 
 This project is licensed under either of

src/server/acceptor.rs

@@ -9,10 +9,7 @@ use tokio_reactor::Handle;
 use tokio_tcp::TcpStream;
 use tokio_timer::{sleep, Delay};
 
-// use super::channel::HttpProtocol;
 use super::error::AcceptorError;
-use super::handler::HttpHandler;
-use super::settings::ServiceConfig;
 use super::IoStream;
 
 /// This trait indicates types that can create acceptor service for http server.
@@ -275,56 +272,49 @@ impl<T: Service> Future for AcceptorTimeoutResponse<T> {
     }
 }
 
-pub(crate) struct ServerMessageAcceptor<T, H: HttpHandler> {
+pub(crate) struct ServerMessageAcceptor<T> {
     inner: T,
-    settings: ServiceConfig<H>,
 }
 
-impl<T, H> ServerMessageAcceptor<T, H>
+impl<T> ServerMessageAcceptor<T>
 where
-    H: HttpHandler,
     T: NewService<Request = net::TcpStream>,
 {
-    pub(crate) fn new(settings: ServiceConfig<H>, inner: T) -> Self {
-        ServerMessageAcceptor { inner, settings }
+    pub(crate) fn new(inner: T) -> Self {
+        ServerMessageAcceptor { inner }
     }
 }
 
-impl<T, H> NewService for ServerMessageAcceptor<T, H>
+impl<T> NewService for ServerMessageAcceptor<T>
 where
-    H: HttpHandler,
     T: NewService<Request = net::TcpStream>,
 {
     type Request = ServerMessage;
     type Response = ();
     type Error = T::Error;
     type InitError = T::InitError;
-    type Service = ServerMessageAcceptorService<T::Service, H>;
-    type Future = ServerMessageAcceptorResponse<T, H>;
+    type Service = ServerMessageAcceptorService<T::Service>;
+    type Future = ServerMessageAcceptorResponse<T>;
 
     fn new_service(&self) -> Self::Future {
         ServerMessageAcceptorResponse {
             fut: self.inner.new_service(),
-            settings: self.settings.clone(),
         }
     }
 }
 
-pub(crate) struct ServerMessageAcceptorResponse<T, H>
+pub(crate) struct ServerMessageAcceptorResponse<T>
 where
-    H: HttpHandler,
     T: NewService<Request = net::TcpStream>,
 {
     fut: T::Future,
-    settings: ServiceConfig<H>,
 }
 
-impl<T, H> Future for ServerMessageAcceptorResponse<T, H>
+impl<T> Future for ServerMessageAcceptorResponse<T>
 where
-    H: HttpHandler,
     T: NewService<Request = net::TcpStream>,
 {
-    type Item = ServerMessageAcceptorService<T::Service, H>;
+    type Item = ServerMessageAcceptorService<T::Service>;
     type Error = T::InitError;
 
     fn poll(&mut self) -> Poll<Self::Item, Self::Error> {
@@ -332,20 +322,17 @@ where
             Async::NotReady => Ok(Async::NotReady),
             Async::Ready(service) => Ok(Async::Ready(ServerMessageAcceptorService {
                 inner: service,
-                settings: self.settings.clone(),
             })),
         }
     }
 }
 
-pub(crate) struct ServerMessageAcceptorService<T, H: HttpHandler> {
+pub(crate) struct ServerMessageAcceptorService<T> {
     inner: T,
-    settings: ServiceConfig<H>,
 }
 
-impl<T, H> Service for ServerMessageAcceptorService<T, H>
+impl<T> Service for ServerMessageAcceptorService<T>
 where
-    H: HttpHandler,
     T: Service<Request = net::TcpStream>,
 {
     type Request = ServerMessage;

src/server/builder.rs

@@ -60,7 +60,6 @@ where
 
             if secure {
                 Either::B(ServerMessageAcceptor::new(
-                    settings.clone(),
                     TcpAcceptor::new(AcceptorTimeout::new(
                         client_timeout,
                         acceptor.create(),
@@ -74,7 +73,6 @@ where
                 ))
             } else {
                 Either::A(ServerMessageAcceptor::new(
-                    settings.clone(),
                     TcpAcceptor::new(acceptor.create().map_err(AcceptorError::Service))
                         .map_err(|_| ())
                         .map_init_err(|_| ())

src/server/channel.rs

@@ -50,7 +50,6 @@ where
     H: HttpHandler + 'static,
 {
     proto: HttpProtocol<T, H>,
-    node: Option<Node<()>>,
     ka_timeout: Option<Delay>,
 }
 
@@ -64,24 +63,11 @@ where
 
         HttpChannel {
             ka_timeout,
-            node: None,
             proto: HttpProtocol::Unknown(settings, io, BytesMut::with_capacity(8192)),
         }
     }
 }
 
-impl<T, H> Drop for HttpChannel<T, H>
-where
-    T: IoStream,
-    H: HttpHandler + 'static,
-{
-    fn drop(&mut self) {
-        if let Some(mut node) = self.node.take() {
-            node.remove()
-        }
-    }
-}
-
 impl<T, H> Future for HttpChannel<T, H>
 where
     T: IoStream,
@@ -114,22 +100,6 @@ where
             }
         }
 
-        if self.node.is_none() {
-            self.node = Some(Node::new(()));
-            let _ = match self.proto {
-                HttpProtocol::H1(ref mut h1) => {
-                    self.node.as_mut().map(|n| h1.settings().head().insert(n))
-                }
-                HttpProtocol::H2(ref mut h2) => {
-                    self.node.as_mut().map(|n| h2.settings().head().insert(n))
-                }
-                HttpProtocol::Unknown(ref mut settings, _, _) => {
-                    self.node.as_mut().map(|n| settings.head().insert(n))
-                }
-                HttpProtocol::None => unreachable!(),
-            };
-        }
-
         let mut is_eof = false;
         let kind = match self.proto {
             HttpProtocol::H1(ref mut h1) => return h1.poll(),
@@ -206,7 +176,6 @@ where
     H: HttpHandler + 'static,
 {
     proto: HttpProtocol<T, H>,
-    node: Option<Node<()>>,
 }
 
 impl<T, H> H1Channel<T, H>
@@ -216,7 +185,6 @@ where
 {
     pub(crate) fn new(settings: ServiceConfig<H>, io: T) -> H1Channel<T, H> {
         H1Channel {
-            node: None,
             proto: HttpProtocol::H1(h1::Http1Dispatcher::new(
                 settings,
                 io,
@@ -228,18 +196,6 @@ where
     }
 }
 
-impl<T, H> Drop for H1Channel<T, H>
-where
-    T: IoStream,
-    H: HttpHandler + 'static,
-{
-    fn drop(&mut self) {
-        if let Some(mut node) = self.node.take() {
-            node.remove();
-        }
-    }
-}
-
 impl<T, H> Future for H1Channel<T, H>
 where
     T: IoStream,
@@ -249,16 +205,6 @@ where
     type Error = HttpDispatchError;
 
     fn poll(&mut self) -> Poll<Self::Item, Self::Error> {
-        if self.node.is_none() {
-            self.node = Some(Node::new(()));
-            match self.proto {
-                HttpProtocol::H1(ref mut h1) => {
-                    self.node.as_mut().map(|n| h1.settings().head().insert(n));
-                }
-                _ => unreachable!(),
-            };
-        }
-
         match self.proto {
             HttpProtocol::H1(ref mut h1) => h1.poll(),
             _ => unreachable!(),
@@ -266,88 +212,6 @@ where
     }
 }
 
-pub(crate) struct Node<T> {
-    next: Option<*mut Node<T>>,
-    prev: Option<*mut Node<T>>,
-    element: T,
-}
-
-impl<T> Node<T> {
-    fn new(element: T) -> Self {
-        Node {
-            element,
-            next: None,
-            prev: None,
-        }
-    }
-
-    fn insert<I>(&mut self, next_el: &mut Node<I>) {
-        let next: *mut Node<T> = next_el as *const _ as *mut _;
-
-        if let Some(next2) = self.next {
-            unsafe {
-                let n = next2.as_mut().unwrap();
-                n.prev = Some(next);
-            }
-            next_el.next = Some(next2 as *mut _);
-        }
-        self.next = Some(next);
-
-        unsafe {
-            let next: &mut Node<T> = &mut *next;
-            next.prev = Some(self as *mut _);
-        }
-    }
-
-    fn remove(&mut self) {
-        let next = self.next.take();
-        let prev = self.prev.take();
-
-        if let Some(prev) = prev {
-            unsafe {
-                prev.as_mut().unwrap().next = next;
-            }
-        }
-        if let Some(next) = next {
-            unsafe {
-                next.as_mut().unwrap().prev = prev;
-            }
-        }
-    }
-}
-
-impl Node<()> {
-    pub(crate) fn head() -> Self {
-        Node {
-            next: None,
-            prev: None,
-            element: (),
-        }
-    }
-
-    pub(crate) fn traverse<T, H, F: Fn(&mut HttpProtocol<T, H>)>(&self, f: F)
-    where
-        T: IoStream,
-        H: HttpHandler + 'static,
-    {
-        if let Some(n) = self.next.as_ref() {
-            unsafe {
-                let mut next: &mut Node<HttpProtocol<T, H>> =
-                    &mut *(n.as_ref().unwrap() as *const _ as *mut _);
-                loop {
-                    f(&mut next.element);
-
-                    next = if let Some(n) = next.next.as_ref() {
-                        &mut **n
-                    } else {
-                        return;
-                    }
-                }
-            }
-        }
-    }
-}
-
 /// Wrapper for `AsyncRead + AsyncWrite` types
 pub(crate) struct WrapperStream<T>
 where

src/server/h1.rs

@@ -147,16 +147,6 @@ where
         disp
     }
 
-    #[inline]
-    pub fn settings(&self) -> &ServiceConfig<H> {
-        &self.settings
-    }
-
-    #[inline]
-    pub(crate) fn io(&mut self) -> &mut T {
-        self.stream.get_mut()
-    }
-
     #[inline]
     fn can_read(&self) -> bool {
         if self.flags.contains(Flags::READ_DISCONNECTED) {

src/server/h2.rs

@@ -89,15 +89,6 @@ where
         }
     }
 
-    pub(crate) fn shutdown(&mut self) {
-        self.state = State::Empty;
-        self.tasks.clear();
-    }
-
-    pub fn settings(&self) -> &ServiceConfig<H> {
-        &self.settings
-    }
-
     pub fn poll(&mut self) -> Poll<(), HttpDispatchError> {
         self.poll_keepalive()?;
 

src/server/settings.rs

@@ -1,4 +1,4 @@
-use std::cell::{Cell, RefCell, RefMut};
+use std::cell::{Cell, RefCell};
 use std::collections::VecDeque;
 use std::fmt::Write;
 use std::rc::Rc;
@@ -15,7 +15,6 @@ use time;
 use tokio_current_thread::spawn;
 use tokio_timer::{sleep, Delay};
 
-use super::channel::Node;
 use super::message::{Request, RequestPool};
 use super::KeepAlive;
 use body::Body;
@@ -138,7 +137,6 @@ struct Inner<H> {
     ka_enabled: bool,
     bytes: Rc<SharedBytesPool>,
     messages: &'static RequestPool,
-    node: RefCell<Node<()>>,
     date: Cell<Option<Date>>,
 }
 
@@ -173,7 +171,6 @@ impl<H> ServiceConfig<H> {
             client_shutdown,
             bytes: Rc::new(SharedBytesPool::new()),
             messages: RequestPool::pool(settings),
-            node: RefCell::new(Node::head()),
             date: Cell::new(None),
         }))
     }
@@ -183,10 +180,6 @@ impl<H> ServiceConfig<H> {
         ServiceConfigBuilder::new(handler)
     }
 
-    pub(crate) fn head(&self) -> RefMut<Node<()>> {
-        self.0.node.borrow_mut()
-    }
-
     pub(crate) fn handler(&self) -> &H {
         &self.0.handler
     }