refactor http service builder

Cargo.toml

@@ -61,6 +61,7 @@ flate2-rust = ["flate2/rust_backend"]
 [dependencies]
 actix = "0.7.0"
 actix-net = { git="https://github.com/actix/actix-net.git" }
+#actix-net = { path = "../actix-net" }
 
 base64 = "0.9"
 bitflags = "1.0"

src/middleware/cors.rs

@@ -1127,12 +1127,23 @@ mod tests {
         let resp: HttpResponse = HttpResponse::Ok().into();
         let resp = cors.response(&req, resp).unwrap().response();
 
-        let origins_str = resp.headers().get(header::ACCESS_CONTROL_ALLOW_ORIGIN).unwrap().to_str().unwrap();
+        let origins_str = resp
+            .headers()
+            .get(header::ACCESS_CONTROL_ALLOW_ORIGIN)
+            .unwrap()
+            .to_str()
+            .unwrap();
 
         if origins_str.starts_with("https://www.example.com") {
-            assert_eq!("https://www.example.com, https://www.google.com", origins_str);
+            assert_eq!(
+                "https://www.example.com, https://www.google.com",
+                origins_str
+            );
         } else {
-            assert_eq!("https://www.google.com, https://www.example.com", origins_str);
+            assert_eq!(
+                "https://www.google.com, https://www.example.com",
+                origins_str
+            );
         }
     }
 

src/payload.rs

@@ -1,8 +1,8 @@
 //! Payload stream
 use bytes::{Bytes, BytesMut};
-use futures::task::Task;
 #[cfg(not(test))]
 use futures::task::current as current_task;
+use futures::task::Task;
 use futures::{Async, Poll, Stream};
 use std::cell::RefCell;
 use std::cmp;

src/server/builder.rs

@@ -0,0 +1,257 @@
+use std::marker::PhantomData;
+use std::net;
+
+use actix_net::server;
+use actix_net::service::{NewService, NewServiceExt, Service};
+use futures::future::{ok, FutureResult};
+use futures::{Async, Poll};
+use tokio_tcp::TcpStream;
+
+use super::handler::IntoHttpHandler;
+use super::service::HttpService;
+use super::{IoStream, KeepAlive};
+
+pub(crate) trait ServiceFactory<H>
+where
+    H: IntoHttpHandler,
+{
+    fn register(&self, server: server::Server, lst: net::TcpListener) -> server::Server;
+}
+
+pub struct HttpServiceBuilder<F, H, A, P>
+where
+    F: Fn() -> H + Send + Clone,
+{
+    factory: F,
+    acceptor: A,
+    pipeline: P,
+}
+
+impl<F, H, A, P> HttpServiceBuilder<F, H, A, P>
+where
+    F: Fn() -> H + Send + Clone,
+    H: IntoHttpHandler,
+    A: AcceptorServiceFactory,
+    P: HttpPipelineFactory<Io = A::Io>,
+{
+    pub fn new(factory: F, acceptor: A, pipeline: P) -> Self {
+        Self {
+            factory,
+            pipeline,
+            acceptor,
+        }
+    }
+
+    pub fn acceptor<A1>(self, acceptor: A1) -> HttpServiceBuilder<F, H, A1, P>
+    where
+        A1: AcceptorServiceFactory,
+    {
+        HttpServiceBuilder {
+            acceptor,
+            pipeline: self.pipeline,
+            factory: self.factory.clone(),
+        }
+    }
+
+    pub fn pipeline<P1>(self, pipeline: P1) -> HttpServiceBuilder<F, H, A, P1>
+    where
+        P1: HttpPipelineFactory,
+    {
+        HttpServiceBuilder {
+            pipeline,
+            acceptor: self.acceptor,
+            factory: self.factory.clone(),
+        }
+    }
+
+    fn finish(&self) -> impl server::StreamServiceFactory {
+        let pipeline = self.pipeline.clone();
+        let acceptor = self.acceptor.clone();
+        move || acceptor.create().and_then(pipeline.create())
+    }
+}
+
+impl<F, H, A, P> Clone for HttpServiceBuilder<F, H, A, P>
+where
+    F: Fn() -> H + Send + Clone,
+    A: AcceptorServiceFactory,
+    P: HttpPipelineFactory<Io = A::Io>,
+{
+    fn clone(&self) -> Self {
+        HttpServiceBuilder {
+            factory: self.factory.clone(),
+            acceptor: self.acceptor.clone(),
+            pipeline: self.pipeline.clone(),
+        }
+    }
+}
+
+impl<F, H, A, P> ServiceFactory<H> for HttpServiceBuilder<F, H, A, P>
+where
+    F: Fn() -> H + Send + Clone,
+    A: AcceptorServiceFactory,
+    P: HttpPipelineFactory<Io = A::Io>,
+    H: IntoHttpHandler,
+{
+    fn register(&self, server: server::Server, lst: net::TcpListener) -> server::Server {
+        server.listen("actix-web", lst, self.finish())
+    }
+}
+
+pub trait AcceptorServiceFactory: Send + Clone + 'static {
+    type Io: IoStream + Send;
+    type NewService: NewService<
+        Request = TcpStream,
+        Response = Self::Io,
+        Error = (),
+        InitError = (),
+    >;
+
+    fn create(&self) -> Self::NewService;
+}
+
+impl<F, T> AcceptorServiceFactory for F
+where
+    F: Fn() -> T + Send + Clone + 'static,
+    T::Response: IoStream + Send,
+    T: NewService<Request = TcpStream, Error = (), InitError = ()>,
+{
+    type Io = T::Response;
+    type NewService = T;
+
+    fn create(&self) -> T {
+        (self)()
+    }
+}
+
+pub trait HttpPipelineFactory: Send + Clone + 'static {
+    type Io: IoStream;
+    type NewService: NewService<
+        Request = Self::Io,
+        Response = (),
+        Error = (),
+        InitError = (),
+    >;
+
+    fn create(&self) -> Self::NewService;
+}
+
+impl<F, T> HttpPipelineFactory for F
+where
+    F: Fn() -> T + Send + Clone + 'static,
+    T: NewService<Response = (), Error = (), InitError = ()>,
+    T::Request: IoStream,
+{
+    type Io = T::Request;
+    type NewService = T;
+
+    fn create(&self) -> T {
+        (self)()
+    }
+}
+
+pub(crate) struct DefaultPipelineFactory<F, H, Io>
+where
+    F: Fn() -> H + Send + Clone,
+{
+    factory: F,
+    host: Option<String>,
+    addr: net::SocketAddr,
+    keep_alive: KeepAlive,
+    _t: PhantomData<Io>,
+}
+
+impl<F, H, Io> DefaultPipelineFactory<F, H, Io>
+where
+    Io: IoStream + Send,
+    F: Fn() -> H + Send + Clone + 'static,
+    H: IntoHttpHandler + 'static,
+{
+    pub fn new(
+        factory: F, host: Option<String>, addr: net::SocketAddr, keep_alive: KeepAlive,
+    ) -> Self {
+        Self {
+            factory,
+            addr,
+            keep_alive,
+            host,
+            _t: PhantomData,
+        }
+    }
+}
+
+impl<F, H, Io> Clone for DefaultPipelineFactory<F, H, Io>
+where
+    Io: IoStream,
+    F: Fn() -> H + Send + Clone,
+    H: IntoHttpHandler,
+{
+    fn clone(&self) -> Self {
+        Self {
+            factory: self.factory.clone(),
+            addr: self.addr,
+            keep_alive: self.keep_alive,
+            host: self.host.clone(),
+            _t: PhantomData,
+        }
+    }
+}
+
+impl<F, H, Io> HttpPipelineFactory for DefaultPipelineFactory<F, H, Io>
+where
+    Io: IoStream + Send,
+    F: Fn() -> H + Send + Clone + 'static,
+    H: IntoHttpHandler + 'static,
+{
+    type Io = Io;
+    type NewService = HttpService<F, H, Io>;
+
+    fn create(&self) -> Self::NewService {
+        HttpService::new(
+            self.factory.clone(),
+            self.addr,
+            self.host.clone(),
+            self.keep_alive,
+        )
+    }
+}
+
+#[derive(Clone)]
+pub(crate) struct DefaultAcceptor;
+
+impl AcceptorServiceFactory for DefaultAcceptor {
+    type Io = TcpStream;
+    type NewService = DefaultAcceptor;
+
+    fn create(&self) -> Self::NewService {
+        DefaultAcceptor
+    }
+}
+
+impl NewService for DefaultAcceptor {
+    type Request = TcpStream;
+    type Response = TcpStream;
+    type Error = ();
+    type InitError = ();
+    type Service = DefaultAcceptor;
+    type Future = FutureResult<Self::Service, Self::InitError>;
+
+    fn new_service(&self) -> Self::Future {
+        ok(DefaultAcceptor)
+    }
+}
+
+impl Service for DefaultAcceptor {
+    type Request = TcpStream;
+    type Response = TcpStream;
+    type Error = ();
+    type Future = FutureResult<Self::Response, Self::Error>;
+
+    fn poll_ready(&mut self) -> Poll<(), Self::Error> {
+        Ok(Async::Ready(()))
+    }
+
+    fn call(&mut self, req: Self::Request) -> Self::Future {
+        ok(req)
+    }
+}

src/server/h1.rs

@@ -89,8 +89,8 @@ where
     H: HttpHandler + 'static,
 {
     pub fn new(
-        settings: WorkerSettings<H>, stream: T, addr: Option<SocketAddr>,
-        buf: BytesMut, is_eof: bool, keepalive_timer: Option<Delay>,
+        settings: WorkerSettings<H>, stream: T, addr: Option<SocketAddr>, buf: BytesMut,
+        is_eof: bool, keepalive_timer: Option<Delay>,
     ) -> Self {
         Http1 {
             flags: if is_eof {
@@ -379,10 +379,7 @@ where
 
     fn push_response_entry(&mut self, status: StatusCode) {
         self.tasks.push_back(Entry {
-            pipe: EntryPipe::Error(ServerError::err(
-                Version::HTTP_11,
-                status,
-            )),
+            pipe: EntryPipe::Error(ServerError::err(Version::HTTP_11, status)),
             flags: EntryFlags::empty(),
         });
     }

src/server/http.rs

@@ -1,13 +1,10 @@
-use std::marker::PhantomData;
-use std::{io, mem, net, time};
+use std::{io, mem, net};
 
-use actix::{Actor, Addr, AsyncContext, Context, Handler, System};
-use actix_net::server::{Server, ServerServiceFactory};
-use actix_net::service::{NewService, NewServiceExt, Service};
+use actix::{Addr, System};
+use actix_net::server;
+use actix_net::service::NewService;
 use actix_net::ssl;
 
-use futures::future::{ok, FutureResult};
-use futures::{Async, Poll, Stream};
 use net2::TcpBuilder;
 use num_cpus;
 use tokio_tcp::TcpStream;
@@ -21,9 +18,9 @@ use openssl::ssl::SslAcceptorBuilder;
 //#[cfg(feature = "rust-tls")]
 //use rustls::ServerConfig;
 
-use super::channel::HttpChannel;
-use super::settings::{ServerSettings, WorkerSettings};
-use super::{HttpHandler, IntoHttpHandler, IoStream, KeepAlive};
+use super::builder::{AcceptorServiceFactory, HttpServiceBuilder, ServiceFactory};
+use super::builder::{DefaultAcceptor, DefaultPipelineFactory};
+use super::{IntoHttpHandler, IoStream, KeepAlive};
 
 struct Socket<H: IntoHttpHandler> {
     scheme: &'static str,
@@ -205,17 +202,16 @@ where
             lst,
             addr,
             scheme: "http",
-            handler: Box::new(SimpleFactory {
+            handler: Box::new(HttpServiceBuilder::new(
+                self.factory.clone(),
+                DefaultAcceptor,
+                DefaultPipelineFactory::new(
+                    self.factory.clone(),
+                    self.host.clone(),
                     addr,
-                factory: self.factory.clone(),
-                pipeline: DefaultPipelineFactory {
-                    addr,
-                    factory: self.factory.clone(),
-                    host: self.host.clone(),
-                    keep_alive: self.keep_alive,
-                    _t: PhantomData,
-                },
-            }),
+                    self.keep_alive,
+                ),
+            )),
         });
 
         self
@@ -239,6 +235,7 @@ where
             addr,
             scheme: "https",
             handler: Box::new(HttpServiceBuilder::new(
+                self.factory.clone(),
                 acceptor,
                 DefaultPipelineFactory::new(
                     self.factory.clone(),
@@ -346,6 +343,7 @@ where
                 addr,
                 scheme: "https",
                 handler: Box::new(HttpServiceBuilder::new(
+                    self.factory.clone(),
                     acceptor.clone(),
                     DefaultPipelineFactory::new(
                         self.factory.clone(),
@@ -493,10 +491,10 @@ impl<H: IntoHttpHandler, F: Fn() -> H + Send + Clone> HttpServer<H, F> {
     ///    sys.run();  // <- Run actix system, this method starts all async processes
     /// }
     /// ```
-    pub fn start(mut self) -> Addr<Server> {
+    pub fn start(mut self) -> Addr<server::Server> {
         ssl::max_concurrent_ssl_connect(self.maxconnrate);
 
-        let mut srv = Server::new()
+        let mut srv = server::Server::new()
             .workers(self.threads)
             .maxconn(self.maxconn)
             .shutdown_timeout(self.shutdown_timeout);
@@ -605,143 +603,6 @@ impl<H: IntoHttpHandler, F: Fn() -> H + Send + Clone> HttpServer<H, F> {
 //     }
 // }
 
-struct HttpService<F, H, Io>
-where
-    F: Fn() -> H,
-    H: IntoHttpHandler,
-    Io: IoStream,
-{
-    factory: F,
-    addr: net::SocketAddr,
-    host: Option<String>,
-    keep_alive: KeepAlive,
-    _t: PhantomData<Io>,
-}
-
-impl<F, H, Io> NewService for HttpService<F, H, Io>
-where
-    F: Fn() -> H,
-    H: IntoHttpHandler,
-    Io: IoStream,
-{
-    type Request = Io;
-    type Response = ();
-    type Error = ();
-    type InitError = ();
-    type Service = HttpServiceHandler<H::Handler, Io>;
-    type Future = FutureResult<Self::Service, Self::Error>;
-
-    fn new_service(&self) -> Self::Future {
-        let s = ServerSettings::new(Some(self.addr), &self.host, false);
-        let app = (self.factory)().into_handler();
-
-        ok(HttpServiceHandler::new(app, self.keep_alive, s))
-    }
-}
-
-struct HttpServiceHandler<H, Io>
-where
-    H: HttpHandler,
-    Io: IoStream,
-{
-    settings: WorkerSettings<H>,
-    tcp_ka: Option<time::Duration>,
-    _t: PhantomData<Io>,
-}
-
-impl<H, Io> HttpServiceHandler<H, Io>
-where
-    H: HttpHandler,
-    Io: IoStream,
-{
-    fn new(
-        app: H, keep_alive: KeepAlive, settings: ServerSettings,
-    ) -> HttpServiceHandler<H, Io> {
-        let tcp_ka = if let KeepAlive::Tcp(val) = keep_alive {
-            Some(time::Duration::new(val as u64, 0))
-        } else {
-            None
-        };
-        let settings = WorkerSettings::new(app, keep_alive, settings);
-
-        HttpServiceHandler {
-            tcp_ka,
-            settings,
-            _t: PhantomData,
-        }
-    }
-}
-
-impl<H, Io> Service for HttpServiceHandler<H, Io>
-where
-    H: HttpHandler,
-    Io: IoStream,
-{
-    type Request = Io;
-    type Response = ();
-    type Error = ();
-    type Future = HttpChannel<Io, H>;
-
-    fn poll_ready(&mut self) -> Poll<(), Self::Error> {
-        Ok(Async::Ready(()))
-    }
-
-    fn call(&mut self, mut req: Self::Request) -> Self::Future {
-        let _ = req.set_nodelay(true);
-        HttpChannel::new(self.settings.clone(), req, None)
-    }
-
-    // fn shutdown(&self, force: bool) {
-    //     if force {
-    //         self.settings.head().traverse::<TcpStream, H>();
-    //     }
-    // }
-}
-
-trait ServiceFactory<H>
-where
-    H: IntoHttpHandler,
-{
-    fn register(&self, server: Server, lst: net::TcpListener) -> Server;
-}
-
-struct SimpleFactory<H, F, P>
-where
-    H: IntoHttpHandler,
-    F: Fn() -> H + Send + Clone,
-    P: HttpPipelineFactory<Io = TcpStream>,
-{
-    pub addr: net::SocketAddr,
-    pub factory: F,
-    pub pipeline: P,
-}
-
-impl<H: IntoHttpHandler, F, P> Clone for SimpleFactory<H, F, P>
-where
-    P: HttpPipelineFactory<Io = TcpStream>,
-    F: Fn() -> H + Send + Clone,
-{
-    fn clone(&self) -> Self {
-        SimpleFactory {
-            addr: self.addr,
-            factory: self.factory.clone(),
-            pipeline: self.pipeline.clone(),
-        }
-    }
-}
-
-impl<H, F, P> ServiceFactory<H> for SimpleFactory<H, F, P>
-where
-    H: IntoHttpHandler + 'static,
-    F: Fn() -> H + Send + Clone + 'static,
-    P: HttpPipelineFactory<Io = TcpStream>,
-{
-    fn register(&self, server: Server, lst: net::TcpListener) -> Server {
-        let pipeline = self.pipeline.clone();
-        server.listen(lst, move || pipeline.create())
-    }
-}
-
 fn create_tcp_listener(
     addr: net::SocketAddr, backlog: i32,
 ) -> io::Result<net::TcpListener> {
@@ -753,183 +614,3 @@ fn create_tcp_listener(
     builder.bind(addr)?;
     Ok(builder.listen(backlog)?)
 }
-
-pub struct HttpServiceBuilder<H, A, P> {
-    acceptor: A,
-    pipeline: P,
-    t: PhantomData<H>,
-}
-
-impl<H, A, P> HttpServiceBuilder<H, A, P>
-where
-    A: AcceptorServiceFactory,
-    P: HttpPipelineFactory<Io = A::Io>,
-    H: IntoHttpHandler,
-{
-    pub fn new(acceptor: A, pipeline: P) -> Self {
-        Self {
-            acceptor,
-            pipeline,
-            t: PhantomData,
-        }
-    }
-
-    pub fn acceptor<A1>(self, acceptor: A1) -> HttpServiceBuilder<H, A1, P>
-    where
-        A1: AcceptorServiceFactory,
-    {
-        HttpServiceBuilder {
-            acceptor,
-            pipeline: self.pipeline,
-            t: PhantomData,
-        }
-    }
-
-    pub fn pipeline<P1>(self, pipeline: P1) -> HttpServiceBuilder<H, A, P1>
-    where
-        P1: HttpPipelineFactory,
-    {
-        HttpServiceBuilder {
-            pipeline,
-            acceptor: self.acceptor,
-            t: PhantomData,
-        }
-    }
-
-    fn finish(&self) -> impl ServerServiceFactory {
-        let acceptor = self.acceptor.clone();
-        let pipeline = self.pipeline.clone();
-
-        move || acceptor.create().and_then(pipeline.create())
-    }
-}
-
-impl<H, A, P> ServiceFactory<H> for HttpServiceBuilder<H, A, P>
-where
-    A: AcceptorServiceFactory,
-    P: HttpPipelineFactory<Io = A::Io>,
-    H: IntoHttpHandler,
-{
-    fn register(&self, server: Server, lst: net::TcpListener) -> Server {
-        server.listen(lst, self.finish())
-    }
-}
-
-pub trait AcceptorServiceFactory: Send + Clone + 'static {
-    type Io: IoStream + Send;
-    type NewService: NewService<
-        Request = TcpStream,
-        Response = Self::Io,
-        Error = (),
-        InitError = (),
-    >;
-
-    fn create(&self) -> Self::NewService;
-}
-
-impl<F, T> AcceptorServiceFactory for F
-where
-    F: Fn() -> T + Send + Clone + 'static,
-    T::Response: IoStream + Send,
-    T: NewService<Request = TcpStream, Error = (), InitError = ()>,
-{
-    type Io = T::Response;
-    type NewService = T;
-
-    fn create(&self) -> T {
-        (self)()
-    }
-}
-
-pub trait HttpPipelineFactory: Send + Clone + 'static {
-    type Io: IoStream;
-    type NewService: NewService<
-        Request = Self::Io,
-        Response = (),
-        Error = (),
-        InitError = (),
-    >;
-
-    fn create(&self) -> Self::NewService;
-}
-
-impl<F, T> HttpPipelineFactory for F
-where
-    F: Fn() -> T + Send + Clone + 'static,
-    T: NewService<Response = (), Error = (), InitError = ()>,
-    T::Request: IoStream,
-{
-    type Io = T::Request;
-    type NewService = T;
-
-    fn create(&self) -> T {
-        (self)()
-    }
-}
-
-struct DefaultPipelineFactory<F, H, Io>
-where
-    F: Fn() -> H + Send + Clone,
-{
-    factory: F,
-    host: Option<String>,
-    addr: net::SocketAddr,
-    keep_alive: KeepAlive,
-    _t: PhantomData<Io>,
-}
-
-impl<F, H, Io> DefaultPipelineFactory<F, H, Io>
-where
-    Io: IoStream + Send,
-    F: Fn() -> H + Send + Clone + 'static,
-    H: IntoHttpHandler + 'static,
-{
-    fn new(
-        factory: F, host: Option<String>, addr: net::SocketAddr, keep_alive: KeepAlive,
-    ) -> Self {
-        Self {
-            factory,
-            addr,
-            keep_alive,
-            host,
-            _t: PhantomData,
-        }
-    }
-}
-
-impl<F, H, Io> Clone for DefaultPipelineFactory<F, H, Io>
-where
-    Io: IoStream,
-    F: Fn() -> H + Send + Clone,
-    H: IntoHttpHandler,
-{
-    fn clone(&self) -> Self {
-        Self {
-            factory: self.factory.clone(),
-            addr: self.addr,
-            keep_alive: self.keep_alive,
-            host: self.host.clone(),
-            _t: PhantomData,
-        }
-    }
-}
-
-impl<F, H, Io> HttpPipelineFactory for DefaultPipelineFactory<F, H, Io>
-where
-    Io: IoStream + Send,
-    F: Fn() -> H + Send + Clone + 'static,
-    H: IntoHttpHandler + 'static,
-{
-    type Io = Io;
-    type NewService = HttpService<F, H, Io>;
-
-    fn create(&self) -> Self::NewService {
-        HttpService {
-            addr: self.addr,
-            keep_alive: self.keep_alive,
-            host: self.host.clone(),
-            factory: self.factory.clone(),
-            _t: PhantomData,
-        }
-    }
-}

src/server/mod.rs

@@ -117,6 +117,7 @@ use tokio_tcp::TcpStream;
 
 pub use actix_net::server::{PauseServer, ResumeServer, StopServer};
 
+pub(crate) mod builder;
 mod channel;
 mod error;
 pub(crate) mod h1;
@@ -130,6 +131,7 @@ mod http;
 pub(crate) mod input;
 pub(crate) mod message;
 pub(crate) mod output;
+pub(crate) mod service;
 pub(crate) mod settings;
 mod ssl;
 

src/server/service.rs

@@ -0,0 +1,133 @@
+use std::marker::PhantomData;
+use std::net;
+use std::time::Duration;
+
+use actix_net::service::{NewService, Service};
+use futures::future::{ok, FutureResult};
+use futures::{Async, Poll};
+
+use super::channel::HttpChannel;
+use super::handler::{HttpHandler, IntoHttpHandler};
+use super::settings::{ServerSettings, WorkerSettings};
+use super::{IoStream, KeepAlive};
+
+pub enum HttpServiceMessage<T> {
+    /// New stream
+    Connect(T),
+    /// Gracefull shutdown
+    Shutdown(Duration),
+    /// Force shutdown
+    ForceShutdown,
+}
+
+pub(crate) struct HttpService<F, H, Io>
+where
+    F: Fn() -> H,
+    H: IntoHttpHandler,
+    Io: IoStream,
+{
+    factory: F,
+    addr: net::SocketAddr,
+    host: Option<String>,
+    keep_alive: KeepAlive,
+    _t: PhantomData<Io>,
+}
+
+impl<F, H, Io> HttpService<F, H, Io>
+where
+    F: Fn() -> H,
+    H: IntoHttpHandler,
+    Io: IoStream,
+{
+    pub fn new(
+        factory: F, addr: net::SocketAddr, host: Option<String>, keep_alive: KeepAlive,
+    ) -> Self {
+        HttpService {
+            factory,
+            addr,
+            host,
+            keep_alive,
+            _t: PhantomData,
+        }
+    }
+}
+
+impl<F, H, Io> NewService for HttpService<F, H, Io>
+where
+    F: Fn() -> H,
+    H: IntoHttpHandler,
+    Io: IoStream,
+{
+    type Request = Io;
+    type Response = ();
+    type Error = ();
+    type InitError = ();
+    type Service = HttpServiceHandler<H::Handler, Io>;
+    type Future = FutureResult<Self::Service, Self::Error>;
+
+    fn new_service(&self) -> Self::Future {
+        let s = ServerSettings::new(Some(self.addr), &self.host, false);
+        let app = (self.factory)().into_handler();
+
+        ok(HttpServiceHandler::new(app, self.keep_alive, s))
+    }
+}
+
+pub(crate) struct HttpServiceHandler<H, Io>
+where
+    H: HttpHandler,
+    Io: IoStream,
+{
+    settings: WorkerSettings<H>,
+    tcp_ka: Option<Duration>,
+    _t: PhantomData<Io>,
+}
+
+impl<H, Io> HttpServiceHandler<H, Io>
+where
+    H: HttpHandler,
+    Io: IoStream,
+{
+    fn new(
+        app: H, keep_alive: KeepAlive, settings: ServerSettings,
+    ) -> HttpServiceHandler<H, Io> {
+        let tcp_ka = if let KeepAlive::Tcp(val) = keep_alive {
+            Some(Duration::new(val as u64, 0))
+        } else {
+            None
+        };
+        let settings = WorkerSettings::new(app, keep_alive, settings);
+
+        HttpServiceHandler {
+            tcp_ka,
+            settings,
+            _t: PhantomData,
+        }
+    }
+}
+
+impl<H, Io> Service for HttpServiceHandler<H, Io>
+where
+    H: HttpHandler,
+    Io: IoStream,
+{
+    type Request = Io;
+    type Response = ();
+    type Error = ();
+    type Future = HttpChannel<Io, H>;
+
+    fn poll_ready(&mut self) -> Poll<(), Self::Error> {
+        Ok(Async::Ready(()))
+    }
+
+    fn call(&mut self, mut req: Self::Request) -> Self::Future {
+        let _ = req.set_nodelay(true);
+        HttpChannel::new(self.settings.clone(), req, None)
+    }
+
+    // fn shutdown(&self, force: bool) {
+    //     if force {
+    //         self.settings.head().traverse::<TcpStream, H>();
+    //     }
+    // }
+}

src/server/settings.rs

@@ -2,7 +2,7 @@ use std::cell::{RefCell, RefMut, UnsafeCell};
 use std::collections::VecDeque;
 use std::fmt::Write;
 use std::rc::Rc;
-use std::time::{Instant, Duration};
+use std::time::{Duration, Instant};
 use std::{env, fmt, net};
 
 use bytes::BytesMut;
@@ -12,8 +12,8 @@ use http::StatusCode;
 use lazycell::LazyCell;
 use parking_lot::Mutex;
 use time;
-use tokio_timer::{sleep, Delay};
 use tokio_current_thread::spawn;
+use tokio_timer::{sleep, Delay};
 
 use super::channel::Node;
 use super::message::{Request, RequestPool};
@@ -183,9 +183,7 @@ impl<H> WorkerSettings<H> {
     pub fn keep_alive_timer(&self) -> Option<Delay> {
         let ka = self.0.keep_alive;
         if ka != 0 {
-            Some(Delay::new(
-                Instant::now() + Duration::from_secs(ka),
-            ))
+            Some(Delay::new(Instant::now() + Duration::from_secs(ka)))
         } else {
             None
         }

tests/test_server.rs

@@ -10,9 +10,9 @@ extern crate http as modhttp;
 extern crate rand;
 extern crate tokio;
 extern crate tokio_current_thread;
+extern crate tokio_current_thread as current_thread;
 extern crate tokio_reactor;
 extern crate tokio_tcp;
-extern crate tokio_current_thread as current_thread;
 
 use std::io::{Read, Write};
 use std::sync::Arc;