Migrate actix-net to std::future (#64)

* Migrate actix-codec, actix-rt, and actix-threadpool to std::future

* update to latest tokio alpha and futures-rs

* Migrate actix-service to std::future,

This is a squash of ~8 commits, since it included a lot of experimentation. To see the commits,
look into the semtexzv/std-future-service-tmp branch.

* update futures-rs and tokio

* Migrate actix-threadpool to std::future (#59)

* Migrate actix-threadpool to std::future

* Cosmetic refactor

- turn log::error! into log::warn! as it doesn't throw any error
- add Clone and Copy impls for Cancelled making it cheap to operate with
- apply rustfmt

* Bump up crate version to 0.2.0 and pre-fill its changelog

* Disable patching 'actix-threadpool' crate in global workspace as unnecessary

* Revert patching and fix 'actix-rt'

* Migrate actix-rt to std::future (#47)

* remove Pin from Service::poll_ready(); simplify combinators api; make code compile

* disable tests

* update travis config

* refactor naming

* drop IntoFuture trait

* Migrate actix-server to std::future (#50)

Still not finished, this is more WIP, this is an aggregation of several commits, which
can be found in semtexzv/std-future-server-tmp branch

* update actix-server

* rename Factor to ServiceFactory

* start server worker in start mehtod

* update actix-utils

* remove IntoTransform trait

* Migrate actix-server::ssl::nativetls to std futures (#61)

* Refactor 'nativetls' module

* Migrate 'actix-server-config' to std futures

- remove "uds" feature
- disable features by default

* Switch NativeTlsAcceptor to use 'tokio-tls' crate

* Bikeshed features names and remove unnecessary dependencies for 'actix-server-config' crate

* update openssl impl

* migrate actix-connect to std::future

* migrate actix-ioframe to std::future

* update version to alpha.1

* fix boxed service

* migrate server rustls support

* migratte openssl and rustls connecttors

* store the thread's handle with arbiter (#62)

* update ssl connect tests

* restore service tests

* update readme

.gitignore

@@ -12,3 +12,5 @@ guide/build/
 
 # These are backup files generated by rustfmt
 **/*.rs.bk
+
+.idea

.travis.yml

@@ -10,10 +10,9 @@ matrix:
   include:
     - rust: stable
     - rust: beta
-    - rust: 1.37.0
-    - rust: nightly-2019-06-15
+    - rust: nightly-2019-11-07
   allow_failures:
-    - rust: nightly-2019-06-15
+    - rust: nightly-2019-11-07
 
 env:
   global:
@@ -26,7 +25,7 @@ before_install:
   - sudo apt-get install -y openssl libssl-dev libelf-dev libdw-dev cmake gcc binutils-dev libiberty-dev
 
 before_cache: |
-  if [[ "$TRAVIS_RUST_VERSION" == "nightly-2019-06-15" ]]; then
+  if [[ "$TRAVIS_RUST_VERSION" == "nightly-2019-11-07" ]]; then
     RUSTFLAGS="--cfg procmacro2_semver_exempt" cargo install --version 0.6.11 cargo-tarpaulin
   fi
 
@@ -36,14 +35,14 @@ before_script:
 
 script:
   - |
-    if [[ "$TRAVIS_RUST_VERSION" != "nightly-2019-06-15" ]]; then
+    if [[ "$TRAVIS_RUST_VERSION" != "nightly-2019-11-07" ]]; then
     cargo clean
     cargo test --all --all-features -- --nocapture
     fi
 
 after_success:
   - |
-    if [[ "$TRAVIS_RUST_VERSION" == "nightly-2019-06-15" ]]; then
+    if [[ "$TRAVIS_RUST_VERSION" == "nightly-2019-11-07" ]]; then
     taskset -c 0 cargo tarpaulin --all --all-features --out Xml
     echo "Uploaded code coverage"
     bash <(curl -s https://codecov.io/bash)

README.md

@@ -4,10 +4,8 @@ Actix net - framework for composable network services
 
 ## Documentation & community resources
 
-* [API Documentation (Development)](https://actix.rs/actix-net/actix_net/)
 * [Chat on gitter](https://gitter.im/actix/actix)
-* Cargo package: [actix-net](https://crates.io/crates/actix-net)
-* Minimum supported Rust version: 1.37 or later
+* Minimum supported Rust version: 1.39 or later
 
 ## Example
 

actix-codec/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "actix-codec"
-version = "0.1.2"
+version = "0.2.0-alpha.1"
 authors = ["Nikolay Kim <fafhrd91@gmail.com>"]
 description = "Utilities for encoding and decoding frames"
 keywords = ["network", "framework", "async", "futures"]
@@ -19,7 +19,8 @@ path = "src/lib.rs"
 
 [dependencies]
 bytes = "0.4.12"
-futures = "0.1.24"
-tokio-io = "0.1.12"
-tokio-codec = "0.1.1"
+pin-utils = "0.1.0-alpha.4"
+futures = "0.3.1"
+tokio-io = "0.2.0-alpha.6"
+tokio-codec = "0.2.0-alpha.6"
 log = "0.4"

actix-codec/src/framed.rs

@@ -2,9 +2,11 @@
 
 use std::fmt;
 use std::io::{self, Read, Write};
+use std::pin::Pin;
+use std::task::{Context, Poll};
 
 use bytes::BytesMut;
-use futures::{Poll, Sink, StartSend, Stream};
+use futures::{Sink, Stream};
 use tokio_codec::{Decoder, Encoder};
 use tokio_io::{AsyncRead, AsyncWrite};
 
@@ -26,8 +28,8 @@ pub struct Fuse<T, U>(pub T, pub U);
 
 impl<T, U> Framed<T, U>
 where
-    T: AsyncRead + AsyncWrite,
-    U: Decoder + Encoder,
+    T: AsyncRead + AsyncWrite + Unpin,
+    U: Decoder + Encoder + Unpin,
 {
     /// Provides a `Stream` and `Sink` interface for reading and writing to this
     /// `Io` object, using `Decode` and `Encode` to read and write the raw data.
@@ -221,41 +223,70 @@ impl<T, U> Framed<T, U> {
     }
 }
 
-impl<T, U> Stream for Framed<T, U>
-where
-    T: AsyncRead,
-    U: Decoder,
-{
-    type Item = U::Item;
-    type Error = U::Error;
+impl<T, U> Framed<T, U> {
+    pub fn next_item(&mut self, cx: &mut Context<'_>) -> Poll<Option<Result<U::Item, U::Error>>>
+    where
+        T: AsyncRead + Unpin,
+        U: Decoder + Unpin,
+    {
+        Pin::new(&mut self.inner).poll_next(cx)
+    }
 
-    fn poll(&mut self) -> Poll<Option<Self::Item>, Self::Error> {
-        self.inner.poll()
+    pub fn flush(&mut self, cx: &mut Context<'_>) -> Poll<Result<(), U::Error>>
+    where
+        T: AsyncWrite + Unpin,
+        U: Encoder + Unpin,
+    {
+        Pin::new(self.inner.get_mut()).poll_flush(cx)
     }
 }
 
-impl<T, U> Sink for Framed<T, U>
+impl<T, U> Stream for Framed<T, U>
 where
-    T: AsyncWrite,
-    U: Encoder,
+    T: AsyncRead + Unpin,
+    U: Decoder + Unpin,
+{
+    type Item = Result<U::Item, U::Error>;
+
+    fn poll_next(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Option<Self::Item>> {
+        Pin::new(&mut self.as_mut().inner).poll_next(cx)
+    }
+}
+
+impl<T, U> Sink<U::Item> for Framed<T, U>
+where
+    T: AsyncWrite + Unpin,
+    U: Encoder + Unpin,
     U::Error: From<io::Error>,
 {
-    type SinkItem = U::Item;
-    type SinkError = U::Error;
+    type Error = U::Error;
+
+    fn poll_ready(
+        mut self: Pin<&mut Self>,
+        cx: &mut Context<'_>,
+    ) -> Poll<Result<(), Self::Error>> {
+        Pin::new(&mut self.as_mut().inner.get_mut()).poll_ready(cx)
+    }
 
     fn start_send(
-        &mut self,
-        item: Self::SinkItem,
-    ) -> StartSend<Self::SinkItem, Self::SinkError> {
-        self.inner.get_mut().start_send(item)
+        mut self: Pin<&mut Self>,
+        item: <U as Encoder>::Item,
+    ) -> Result<(), Self::Error> {
+        Pin::new(&mut self.as_mut().inner.get_mut()).start_send(item)
     }
 
-    fn poll_complete(&mut self) -> Poll<(), Self::SinkError> {
-        self.inner.get_mut().poll_complete()
+    fn poll_flush(
+        mut self: Pin<&mut Self>,
+        cx: &mut Context<'_>,
+    ) -> Poll<Result<(), Self::Error>> {
+        Pin::new(&mut self.as_mut().inner.get_mut()).poll_flush(cx)
     }
 
-    fn close(&mut self) -> Poll<(), Self::SinkError> {
-        self.inner.get_mut().close()
+    fn poll_close(
+        mut self: Pin<&mut Self>,
+        cx: &mut Context<'_>,
+    ) -> Poll<Result<(), Self::Error>> {
+        Pin::new(&mut self.as_mut().inner.get_mut()).poll_close(cx)
     }
 }
 
@@ -284,6 +315,14 @@ impl<T: AsyncRead, U> AsyncRead for Fuse<T, U> {
     unsafe fn prepare_uninitialized_buffer(&self, buf: &mut [u8]) -> bool {
         self.0.prepare_uninitialized_buffer(buf)
     }
+
+    fn poll_read(
+        self: Pin<&mut Self>,
+        cx: &mut Context<'_>,
+        buf: &mut [u8],
+    ) -> Poll<io::Result<usize>> {
+        unsafe { self.map_unchecked_mut(|s| &mut s.0).poll_read(cx, buf) }
+    }
 }
 
 impl<T: Write, U> Write for Fuse<T, U> {
@@ -297,8 +336,20 @@ impl<T: Write, U> Write for Fuse<T, U> {
 }
 
 impl<T: AsyncWrite, U> AsyncWrite for Fuse<T, U> {
-    fn shutdown(&mut self) -> Poll<(), io::Error> {
-        self.0.shutdown()
+    fn poll_write(
+        self: Pin<&mut Self>,
+        cx: &mut Context<'_>,
+        buf: &[u8],
+    ) -> Poll<io::Result<usize>> {
+        unsafe { self.map_unchecked_mut(|s| &mut s.0).poll_write(cx, buf) }
+    }
+
+    fn poll_flush(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<io::Result<()>> {
+        unsafe { self.map_unchecked_mut(|s| &mut s.0).poll_flush(cx) }
+    }
+
+    fn poll_shutdown(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<io::Result<()>> {
+        unsafe { self.map_unchecked_mut(|s| &mut s.0).poll_shutdown(cx) }
     }
 }
 

actix-codec/src/framed_read.rs

@@ -1,7 +1,9 @@
 use std::fmt;
+use std::pin::Pin;
+use std::task::{Context, Poll};
 
 use bytes::BytesMut;
-use futures::{try_ready, Async, Poll, Sink, StartSend, Stream};
+use futures::{Sink, Stream};
 use log::trace;
 use tokio_codec::Decoder;
 use tokio_io::AsyncRead;
@@ -83,34 +85,45 @@ where
     T: AsyncRead,
     D: Decoder,
 {
-    type Item = D::Item;
-    type Error = D::Error;
+    type Item = Result<D::Item, D::Error>;
 
-    fn poll(&mut self) -> Poll<Option<Self::Item>, Self::Error> {
-        self.inner.poll()
+    fn poll_next(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Option<Self::Item>> {
+        unsafe { self.map_unchecked_mut(|s| &mut s.inner).poll_next(cx) }
     }
 }
 
-impl<T, D> Sink for FramedRead<T, D>
+impl<I, T, D> Sink<I> for FramedRead<T, D>
 where
-    T: Sink,
+    T: Sink<I>,
 {
-    type SinkItem = T::SinkItem;
-    type SinkError = T::SinkError;
+    type Error = T::Error;
 
-    fn start_send(
-        &mut self,
-        item: Self::SinkItem,
-    ) -> StartSend<Self::SinkItem, Self::SinkError> {
-        self.inner.inner.0.start_send(item)
+    fn poll_ready(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Result<(), Self::Error>> {
+        unsafe {
+            self.map_unchecked_mut(|s| &mut s.inner.inner.0)
+                .poll_ready(cx)
+        }
     }
 
-    fn poll_complete(&mut self) -> Poll<(), Self::SinkError> {
-        self.inner.inner.0.poll_complete()
+    fn start_send(self: Pin<&mut Self>, item: I) -> Result<(), Self::Error> {
+        unsafe {
+            self.map_unchecked_mut(|s| &mut s.inner.inner.0)
+                .start_send(item)
+        }
     }
 
-    fn close(&mut self) -> Poll<(), Self::SinkError> {
-        self.inner.inner.0.close()
+    fn poll_flush(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Result<(), Self::Error>> {
+        unsafe {
+            self.map_unchecked_mut(|s| &mut s.inner.inner.0)
+                .poll_flush(cx)
+        }
+    }
+
+    fn poll_close(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Result<(), Self::Error>> {
+        unsafe {
+            self.map_unchecked_mut(|s| &mut s.inner.inner.0)
+                .poll_close(cx)
+        }
     }
 }
 
@@ -174,46 +187,61 @@ impl<T> FramedRead2<T> {
 
 impl<T> Stream for FramedRead2<T>
 where
-    T: AsyncRead + Decoder,
+    T: tokio_io::AsyncRead + Decoder,
 {
-    type Item = T::Item;
-    type Error = T::Error;
+    type Item = Result<T::Item, T::Error>;
 
-    fn poll(&mut self) -> Poll<Option<Self::Item>, Self::Error> {
+    fn poll_next(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Option<Self::Item>> {
+        let mut this = unsafe { self.get_unchecked_mut() };
         loop {
             // Repeatedly call `decode` or `decode_eof` as long as it is
             // "readable". Readable is defined as not having returned `None`. If
             // the upstream has returned EOF, and the decoder is no longer
             // readable, it can be assumed that the decoder will never become
             // readable again, at which point the stream is terminated.
-            if self.is_readable {
-                if self.eof {
-                    let frame = self.inner.decode_eof(&mut self.buffer)?;
-                    return Ok(Async::Ready(frame));
+
+            if this.is_readable {
+                if this.eof {
+                    match this.inner.decode_eof(&mut this.buffer) {
+                        Ok(Some(frame)) => return Poll::Ready(Some(Ok(frame))),
+                        Ok(None) => return Poll::Ready(None),
+                        Err(e) => return Poll::Ready(Some(Err(e))),
+                    }
                 }
 
                 trace!("attempting to decode a frame");
 
-                if let Some(frame) = self.inner.decode(&mut self.buffer)? {
+                match this.inner.decode(&mut this.buffer) {
+                    Ok(Some(frame)) => {
                         trace!("frame decoded from buffer");
-                    return Ok(Async::Ready(Some(frame)));
+                        return Poll::Ready(Some(Ok(frame)));
+                    }
+                    Err(e) => return Poll::Ready(Some(Err(e))),
+                    _ => {
+                        // Need more data
+                    }
                 }
 
-                self.is_readable = false;
+                this.is_readable = false;
             }
 
-            assert!(!self.eof);
+            assert!(!this.eof);
 
             // Otherwise, try to read more data and try again. Make sure we've
             // got room for at least one byte to read to ensure that we don't
             // get a spurious 0 that looks like EOF
-            self.buffer.reserve(1);
-            if 0 == try_ready!(self.inner.read_buf(&mut self.buffer)) {
-                trace!("read 0 bytes, mark stream as eof");
-                self.eof = true;
+            this.buffer.reserve(1);
+            unsafe {
+                match Pin::new_unchecked(&mut this.inner).poll_read(cx, &mut this.buffer) {
+                    Poll::Pending => return Poll::Pending,
+                    Poll::Ready(Err(e)) => return Poll::Ready(Some(Err(e.into()))),
+                    Poll::Ready(Ok(0)) => {
+                        this.eof = true;
                     }
-
-            self.is_readable = true;
+                    Poll::Ready(Ok(_cnt)) => {}
+                }
+            }
+            this.is_readable = true;
         }
     }
 }

actix-codec/src/framed_write.rs

@@ -1,8 +1,10 @@
 use std::fmt;
 use std::io::{self, Read};
+use std::pin::Pin;
+use std::task::{Context, Poll};
 
 use bytes::BytesMut;
-use futures::{try_ready, Async, AsyncSink, Poll, Sink, StartSend, Stream};
+use futures::{ready, Sink, Stream};
 use log::trace;
 use tokio_codec::{Decoder, Encoder};
 use tokio_io::{AsyncRead, AsyncWrite};
@@ -95,24 +97,27 @@ where
     }
 }
 
-impl<T, E> Sink for FramedWrite<T, E>
+impl<T, E> Sink<E::Item> for FramedWrite<T, E>
 where
     T: AsyncWrite,
     E: Encoder,
 {
-    type SinkItem = E::Item;
-    type SinkError = E::Error;
+    type Error = E::Error;
 
-    fn start_send(&mut self, item: E::Item) -> StartSend<E::Item, E::Error> {
-        self.inner.start_send(item)
+    fn poll_ready(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Result<(), Self::Error>> {
+        unsafe { self.map_unchecked_mut(|s| &mut s.inner).poll_ready(cx) }
     }
 
-    fn poll_complete(&mut self) -> Poll<(), Self::SinkError> {
-        self.inner.poll_complete()
+    fn start_send(self: Pin<&mut Self>, item: <E as Encoder>::Item) -> Result<(), Self::Error> {
+        unsafe { self.map_unchecked_mut(|s| &mut s.inner).start_send(item) }
     }
 
-    fn close(&mut self) -> Poll<(), Self::SinkError> {
-        Ok(self.inner.close()?)
+    fn poll_flush(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Result<(), Self::Error>> {
+        unsafe { self.map_unchecked_mut(|s| &mut s.inner).poll_flush(cx) }
+    }
+
+    fn poll_close(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Result<(), Self::Error>> {
+        unsafe { self.map_unchecked_mut(|s| &mut s.inner).poll_close(cx) }
     }
 }
 
@@ -121,10 +126,12 @@ where
     T: Stream,
 {
     type Item = T::Item;
-    type Error = T::Error;
 
-    fn poll(&mut self) -> Poll<Option<Self::Item>, Self::Error> {
-        self.inner.inner.0.poll()
+    fn poll_next(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Option<Self::Item>> {
+        unsafe {
+            self.map_unchecked_mut(|s| &mut s.inner.inner.0)
+                .poll_next(cx)
+        }
     }
 }
 
@@ -220,60 +227,75 @@ where
     }
 }
 
-impl<T> Sink for FramedWrite2<T>
+impl<T> Sink<T::Item> for FramedWrite2<T>
 where
     T: AsyncWrite + Encoder,
 {
-    type SinkItem = T::Item;
-    type SinkError = T::Error;
+    type Error = T::Error;
 
-    fn start_send(&mut self, item: T::Item) -> StartSend<T::Item, T::Error> {
-        // Check the buffer capacity
+    fn poll_ready(self: Pin<&mut Self>, _: &mut Context<'_>) -> Poll<Result<(), Self::Error>> {
         let len = self.buffer.len();
         if len >= self.high_watermark {
-            return Ok(AsyncSink::NotReady(item));
+            return Poll::Pending;
+        } else {
+            return Poll::Ready(Ok(()));
         }
-        if len < self.low_watermark {
-            self.buffer.reserve(self.high_watermark - len)
     }
 
-        self.inner.encode(item, &mut self.buffer)?;
+    fn start_send(self: Pin<&mut Self>, item: <T as Encoder>::Item) -> Result<(), Self::Error> {
+        let this = unsafe { self.get_unchecked_mut() };
 
-        Ok(AsyncSink::Ready)
+        // Check the buffer capacity
+        let len = this.buffer.len();
+        if len < this.low_watermark {
+            this.buffer.reserve(this.high_watermark - len)
         }
 
-    fn poll_complete(&mut self) -> Poll<(), Self::SinkError> {
+        this.inner.encode(item, &mut this.buffer)?;
+
+        Ok(())
+    }
+
+    fn poll_flush(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Result<(), Self::Error>> {
+        let this = unsafe { self.get_unchecked_mut() };
         trace!("flushing framed transport");
 
-        while !self.buffer.is_empty() {
-            trace!("writing; remaining={}", self.buffer.len());
+        while !this.buffer.is_empty() {
+            trace!("writing; remaining={}", this.buffer.len());
 
-            let n = try_ready!(self.inner.poll_write(&self.buffer));
+            let n = ready!(
+                unsafe { Pin::new_unchecked(&mut this.inner) }.poll_write(cx, &this.buffer)
+            )?;
 
             if n == 0 {
-                return Err(io::Error::new(
+                return Poll::Ready(Err(io::Error::new(
                     io::ErrorKind::WriteZero,
                     "failed to \
                      write frame to transport",
                 )
-                .into());
+                .into()));
             }
 
             // TODO: Add a way to `bytes` to do this w/o returning the drained
             // data.
-            let _ = self.buffer.split_to(n);
+            let _ = this.buffer.split_to(n);
         }
 
         // Try flushing the underlying IO
-        try_ready!(self.inner.poll_flush());
+        ready!(unsafe { Pin::new_unchecked(&mut this.inner) }.poll_flush(cx))?;
 
         trace!("framed transport flushed");
-        Ok(Async::Ready(()))
+        Poll::Ready(Ok(()))
     }
 
-    fn close(&mut self) -> Poll<(), Self::SinkError> {
-        try_ready!(self.poll_complete());
-        Ok(self.inner.shutdown()?)
+    fn poll_close(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Result<(), Self::Error>> {
+        let mut this = unsafe { self.get_unchecked_mut() };
+        ready!(
+            unsafe { Pin::new_unchecked(&mut this).map_unchecked_mut(|s| *s) }.poll_flush(cx)
+        )?;
+        ready!(unsafe { Pin::new_unchecked(&mut this.inner) }.poll_shutdown(cx))?;
+
+        Poll::Ready(Ok(()))
     }
 }
 
@@ -300,4 +322,12 @@ impl<T: AsyncRead> AsyncRead for FramedWrite2<T> {
     unsafe fn prepare_uninitialized_buffer(&self, buf: &mut [u8]) -> bool {
         self.inner.prepare_uninitialized_buffer(buf)
     }
+
+    fn poll_read(
+        self: Pin<&mut Self>,
+        cx: &mut Context<'_>,
+        buf: &mut [u8],
+    ) -> Poll<io::Result<usize>> {
+        unsafe { self.map_unchecked_mut(|s| &mut s.inner).poll_read(cx, buf) }
+    }
 }

actix-codec/src/lib.rs

@@ -21,4 +21,5 @@ pub use self::framed_read::FramedRead;
 pub use self::framed_write::FramedWrite;
 
 pub use tokio_codec::{Decoder, Encoder};
+// TODO: Migrate to futures asyncRead
 pub use tokio_io::{AsyncRead, AsyncWrite};

actix-connect/Cargo.toml

@@ -1,8 +1,8 @@
 [package]
 name = "actix-connect"
-version = "0.3.0"
+version = "1.0.0-alpha.1"
 authors = ["Nikolay Kim <fafhrd91@gmail.com>"]
-description = "Actix Connector - tcp connector service"
+description = "Actix connect - tcp connector service"
 keywords = ["network", "framework", "async", "futures"]
 homepage = "https://actix.rs"
 repository = "https://github.com/actix/actix-net.git"
@@ -14,7 +14,7 @@ edition = "2018"
 workspace = ".."
 
 [package.metadata.docs.rs]
-features = ["ssl", "uri"]
+features = ["openssl", "rustls", "uri"]
 
 [lib]
 name = "actix_connect"
@@ -24,38 +24,41 @@ path = "src/lib.rs"
 default = ["uri"]
 
 # openssl
-ssl = ["openssl", "tokio-openssl"]
+openssl = ["open-ssl", "tokio-openssl"]
 
 #rustls
-rust-tls = ["rustls", "tokio-rustls", "webpki"]
+rustls = ["rust-tls", "tokio-rustls", "webpki"]
 
 # support http::Uri as connect address
 uri = ["http"]
 
 [dependencies]
-actix-service = "0.4.0"
-actix-codec = "0.1.2"
-actix-utils = "0.4.0"
-actix-rt = "0.2.5"
+actix-service = "1.0.0-alpha.1"
+actix-codec = "0.2.0-alpha.1"
+actix-utils = "0.5.0-alpha.1"
+actix-rt = "1.0.0-alpha.1"
 derive_more = "0.15"
 either = "1.5.2"
-futures = "0.1.25"
+futures = "0.3.1"
+pin-project = "0.4.5"
 http = { version = "0.1.17", optional = true }
 log = "0.4"
-tokio-tcp = "0.1.3"
-tokio-current-thread = "0.1.5"
-trust-dns-resolver = { version="0.11.0", default-features = false }
+tokio-net = "=0.2.0-alpha.6"
+tokio-executor = "=0.2.0-alpha.6"
+trust-dns-resolver = { version="0.18.0-alpha.1", default-features = false }
 
 # openssl
-openssl = { version="0.10", optional = true }
-tokio-openssl = { version="0.3", optional = true }
+open-ssl = { version="0.10", package = "openssl", optional = true }
+tokio-openssl = { version = "0.4.0-alpha.6", optional = true }
 
 #rustls
-rustls = { version = "0.16.0", optional = true }
-tokio-rustls = { version = "0.10.0", optional = true }
+rust-tls = { version = "0.16.0", package = "rustls", optional = true }
+# tokio-rustls = { version = "0.10.0", optional = true }
+tokio-rustls = { git = "https://github.com/quininer/tokio-rustls.git", branch = "tokio-0.2", optional = true }
 webpki = { version = "0.21", optional = true }
 
 [dev-dependencies]
 bytes = "0.4"
-actix-testing = { version="0.2.0" }
-actix-server-config = "0.2.0"
+actix-testing = { version="0.3.0-alpha.1" }
+actix-server-config = "0.3.0-alpha.1"
+tokio = "0.2.0-alpha.6"

actix-connect/src/connector.rs

@@ -1,11 +1,15 @@
 use std::collections::VecDeque;
+use std::future::Future;
+use std::io;
 use std::marker::PhantomData;
 use std::net::SocketAddr;
+use std::pin::Pin;
+use std::task::{Context, Poll};
 
-use actix_service::{NewService, Service};
-use futures::future::{err, ok, Either, FutureResult};
-use futures::{Async, Future, Poll};
-use tokio_tcp::{ConnectFuture, TcpStream};
+use actix_service::{Service, ServiceFactory};
+use futures::future::{err, ok, BoxFuture, Either, FutureExt, Ready};
+use pin_project::pin_project;
+use tokio_net::tcp::TcpStream;
 
 use super::connect::{Address, Connect, Connection};
 use super::error::ConnectError;
@@ -37,14 +41,14 @@ impl<T> Clone for TcpConnectorFactory<T> {
     }
 }
 
-impl<T: Address> NewService for TcpConnectorFactory<T> {
+impl<T: Address> ServiceFactory for TcpConnectorFactory<T> {
     type Request = Connect<T>;
     type Response = Connection<T, TcpStream>;
     type Error = ConnectError;
     type Config = ();
     type Service = TcpConnector<T>;
     type InitError = ();
-    type Future = FutureResult<Self::Service, Self::InitError>;
+    type Future = Ready<Result<Self::Service, Self::InitError>>;
 
     fn new_service(&self, _: &()) -> Self::Future {
         ok(self.service())
@@ -71,10 +75,10 @@ impl<T: Address> Service for TcpConnector<T> {
     type Request = Connect<T>;
     type Response = Connection<T, TcpStream>;
     type Error = ConnectError;
-    type Future = Either<TcpConnectorResponse<T>, FutureResult<Self::Response, Self::Error>>;
+    type Future = Either<TcpConnectorResponse<T>, Ready<Result<Self::Response, Self::Error>>>;
 
-    fn poll_ready(&mut self) -> Poll<(), Self::Error> {
-        Ok(Async::Ready(()))
+    fn poll_ready(&mut self, _: &mut Context) -> Poll<Result<(), Self::Error>> {
+        Poll::Ready(Ok(()))
     }
 
     fn call(&mut self, req: Connect<T>) -> Self::Future {
@@ -82,21 +86,22 @@ impl<T: Address> Service for TcpConnector<T> {
         let Connect { req, addr, .. } = req;
 
         if let Some(addr) = addr {
-            Either::A(TcpConnectorResponse::new(req, port, addr))
+            Either::Left(TcpConnectorResponse::new(req, port, addr))
         } else {
             error!("TCP connector: got unresolved address");
-            Either::B(err(ConnectError::Unresolverd))
+            Either::Right(err(ConnectError::Unresolverd))
         }
     }
 }
 
+#[pin_project]
 #[doc(hidden)]
 /// Tcp stream connector response future
 pub struct TcpConnectorResponse<T> {
     req: Option<T>,
     port: u16,
     addrs: Option<VecDeque<SocketAddr>>,
-    stream: Option<ConnectFuture>,
+    stream: Option<BoxFuture<'static, Result<TcpStream, io::Error>>>,
 }
 
 impl<T: Address> TcpConnectorResponse<T> {
@@ -116,7 +121,7 @@ impl<T: Address> TcpConnectorResponse<T> {
                 req: Some(req),
                 port,
                 addrs: None,
-                stream: Some(TcpStream::connect(&addr)),
+                stream: Some(TcpStream::connect(addr).boxed()),
             },
             either::Either::Right(addrs) => TcpConnectorResponse {
                 req: Some(req),
@@ -129,40 +134,40 @@ impl<T: Address> TcpConnectorResponse<T> {
 }
 
 impl<T: Address> Future for TcpConnectorResponse<T> {
-    type Item = Connection<T, TcpStream>;
-    type Error = ConnectError;
+    type Output = Result<Connection<T, TcpStream>, ConnectError>;
+
+    fn poll(self: Pin<&mut Self>, cx: &mut Context) -> Poll<Self::Output> {
+        let this = self.project();
 
-    fn poll(&mut self) -> Poll<Self::Item, Self::Error> {
         // connect
         loop {
-            if let Some(new) = self.stream.as_mut() {
-                match new.poll() {
-                    Ok(Async::Ready(sock)) => {
-                        let req = self.req.take().unwrap();
+            if let Some(new) = this.stream.as_mut() {
+                match new.as_mut().poll(cx) {
+                    Poll::Ready(Ok(sock)) => {
+                        let req = this.req.take().unwrap();
                         trace!(
                             "TCP connector - successfully connected to connecting to {:?} - {:?}",
                             req.host(), sock.peer_addr()
                         );
-                        return Ok(Async::Ready(Connection::new(sock, req)));
+                        return Poll::Ready(Ok(Connection::new(sock, req)));
                     }
-                    Ok(Async::NotReady) => return Ok(Async::NotReady),
-                    Err(err) => {
+                    Poll::Pending => return Poll::Pending,
+                    Poll::Ready(Err(err)) => {
                         trace!(
                             "TCP connector - failed to connect to connecting to {:?} port: {}",
-                            self.req.as_ref().unwrap().host(),
-                            self.port,
+                            this.req.as_ref().unwrap().host(),
+                            this.port,
                         );
-                        if self.addrs.is_none() || self.addrs.as_ref().unwrap().is_empty() {
-                            return Err(err.into());
+                        if this.addrs.is_none() || this.addrs.as_ref().unwrap().is_empty() {
+                            return Poll::Ready(Err(err.into()));
                         }
                     }
                 }
             }
 
             // try to connect
-            self.stream = Some(TcpStream::connect(
-                &self.addrs.as_mut().unwrap().pop_front().unwrap(),
-            ));
+            let addr = this.addrs.as_mut().unwrap().pop_front().unwrap();
+            *this.stream = Some(TcpStream::connect(addr).boxed());
         }
     }
 }

actix-connect/src/lib.rs

@@ -31,12 +31,12 @@ pub use self::resolver::{Resolver, ResolverFactory};
 pub use self::service::{ConnectService, ConnectServiceFactory, TcpConnectService};
 
 use actix_rt::Arbiter;
-use actix_service::{NewService, Service, ServiceExt};
-use tokio_tcp::TcpStream;
+use actix_service::{pipeline, pipeline_factory, Service, ServiceFactory};
+use tokio_net::tcp::TcpStream;
 
 pub fn start_resolver(cfg: ResolverConfig, opts: ResolverOpts) -> AsyncResolver {
     let (resolver, bg) = AsyncResolver::new(cfg, opts);
-    tokio_current_thread::spawn(bg);
+    tokio_executor::current_thread::spawn(bg);
     resolver
 }
 
@@ -55,7 +55,7 @@ pub(crate) fn get_default_resolver() -> AsyncResolver {
         };
 
         let (resolver, bg) = AsyncResolver::new(cfg, opts);
-        tokio_current_thread::spawn(bg);
+        tokio_executor::current_thread::spawn(bg);
 
         Arbiter::set_item(DefaultResolver(resolver.clone()));
         resolver
@@ -70,37 +70,37 @@ pub fn start_default_resolver() -> AsyncResolver {
 pub fn new_connector<T: Address>(
     resolver: AsyncResolver,
 ) -> impl Service<Request = Connect<T>, Response = Connection<T, TcpStream>, Error = ConnectError>
-         + Clone {
-    Resolver::new(resolver).and_then(TcpConnector::new())
+{
+    pipeline(Resolver::new(resolver)).and_then(TcpConnector::new())
 }
 
 /// Create tcp connector service
 pub fn new_connector_factory<T: Address>(
     resolver: AsyncResolver,
-) -> impl NewService<
+) -> impl ServiceFactory<
     Config = (),
     Request = Connect<T>,
     Response = Connection<T, TcpStream>,
     Error = ConnectError,
     InitError = (),
-> + Clone {
-    ResolverFactory::new(resolver).and_then(TcpConnectorFactory::new())
+> {
+    pipeline_factory(ResolverFactory::new(resolver)).and_then(TcpConnectorFactory::new())
 }
 
 /// Create connector service with default parameters
 pub fn default_connector<T: Address>(
 ) -> impl Service<Request = Connect<T>, Response = Connection<T, TcpStream>, Error = ConnectError>
-         + Clone {
-    Resolver::default().and_then(TcpConnector::new())
+{
+    pipeline(Resolver::default()).and_then(TcpConnector::new())
 }
 
 /// Create connector service factory with default parameters
-pub fn default_connector_factory<T: Address>() -> impl NewService<
+pub fn default_connector_factory<T: Address>() -> impl ServiceFactory<
     Config = (),
     Request = Connect<T>,
     Response = Connection<T, TcpStream>,
     Error = ConnectError,
     InitError = (),
-> + Clone {
-    ResolverFactory::default().and_then(TcpConnectorFactory::new())
+> {
+    pipeline_factory(ResolverFactory::default()).and_then(TcpConnectorFactory::new())
 }

actix-connect/src/resolver.rs

@@ -1,9 +1,12 @@
+use std::future::Future;
 use std::marker::PhantomData;
 use std::net::SocketAddr;
+use std::pin::Pin;
+use std::task::{Context, Poll};
 
-use actix_service::{NewService, Service};
-use futures::future::{ok, Either, FutureResult};
-use futures::{Async, Future, Poll};
+use actix_service::{Service, ServiceFactory};
+use futures::future::{ok, Either, Ready};
+use pin_project::pin_project;
 use trust_dns_resolver::lookup_ip::LookupIpFuture;
 use trust_dns_resolver::{AsyncResolver, Background};
 
@@ -52,14 +55,14 @@ impl<T> Clone for ResolverFactory<T> {
     }
 }
 
-impl<T: Address> NewService for ResolverFactory<T> {
+impl<T: Address> ServiceFactory for ResolverFactory<T> {
     type Request = Connect<T>;
     type Response = Connect<T>;
     type Error = ConnectError;
     type Config = ();
     type Service = Resolver<T>;
     type InitError = ();
-    type Future = FutureResult<Self::Service, Self::InitError>;
+    type Future = Ready<Result<Self::Service, Self::InitError>>;
 
     fn new_service(&self, _: &()) -> Self::Future {
         ok(self.service())
@@ -104,32 +107,34 @@ impl<T: Address> Service for Resolver<T> {
     type Request = Connect<T>;
     type Response = Connect<T>;
     type Error = ConnectError;
-    type Future = Either<ResolverFuture<T>, FutureResult<Connect<T>, Self::Error>>;
+    type Future = Either<ResolverFuture<T>, Ready<Result<Connect<T>, Self::Error>>>;
 
-    fn poll_ready(&mut self) -> Poll<(), Self::Error> {
-        Ok(Async::Ready(()))
+    fn poll_ready(&mut self, _: &mut Context) -> Poll<Result<(), Self::Error>> {
+        Poll::Ready(Ok(()))
     }
 
     fn call(&mut self, mut req: Connect<T>) -> Self::Future {
         if req.addr.is_some() {
-            Either::B(ok(req))
+            Either::Right(ok(req))
         } else if let Ok(ip) = req.host().parse() {
             req.addr = Some(either::Either::Left(SocketAddr::new(ip, req.port())));
-            Either::B(ok(req))
+            Either::Right(ok(req))
         } else {
             trace!("DNS resolver: resolving host {:?}", req.host());
             if self.resolver.is_none() {
                 self.resolver = Some(get_default_resolver());
             }
-            Either::A(ResolverFuture::new(req, self.resolver.as_ref().unwrap()))
+            Either::Left(ResolverFuture::new(req, self.resolver.as_ref().unwrap()))
         }
     }
 }
 
+#[pin_project]
 #[doc(hidden)]
 /// Resolver future
 pub struct ResolverFuture<T: Address> {
     req: Option<Connect<T>>,
+    #[pin]
     lookup: Background<LookupIpFuture>,
 }
 
@@ -149,22 +154,15 @@ impl<T: Address> ResolverFuture<T> {
 }
 
 impl<T: Address> Future for ResolverFuture<T> {
-    type Item = Connect<T>;
-    type Error = ConnectError;
+    type Output = Result<Connect<T>, ConnectError>;
 
-    fn poll(&mut self) -> Poll<Self::Item, Self::Error> {
-        match self.lookup.poll().map_err(|e| {
-            trace!(
-                "DNS resolver: failed to resolve host {:?} err: {}",
-                self.req.as_ref().unwrap().host(),
-                e
-            );
-            e
-        })? {
-            Async::NotReady => Ok(Async::NotReady),
-            Async::Ready(ips) => {
-                let req = self.req.take().unwrap();
+    fn poll(self: Pin<&mut Self>, cx: &mut Context) -> Poll<Self::Output> {
+        let this = self.project();
 
+        match this.lookup.poll(cx) {
+            Poll::Pending => Poll::Pending,
+            Poll::Ready(Ok(ips)) => {
+                let req = this.req.take().unwrap();
                 let port = req.port();
                 let req = req.set_addrs(ips.iter().map(|ip| SocketAddr::new(ip, port)));
 
@@ -175,11 +173,19 @@ impl<T: Address> Future for ResolverFuture<T> {
                 );
 
                 if req.addr.is_none() {
-                    Err(ConnectError::NoRecords)
+                    Poll::Ready(Err(ConnectError::NoRecords))
                 } else {
-                    Ok(Async::Ready(req))
+                    Poll::Ready(Ok(req))
                 }
             }
+            Poll::Ready(Err(e)) => {
+                trace!(
+                    "DNS resolver: failed to resolve host {:?} err: {}",
+                    this.req.as_ref().unwrap().host(),
+                    e
+                );
+                Poll::Ready(Err(e.into()))
+            }
         }
     }
 }

actix-connect/src/service.rs

@@ -1,7 +1,11 @@
-use actix_service::{NewService, Service};
-use futures::future::{ok, FutureResult};
-use futures::{try_ready, Async, Future, Poll};
-use tokio_tcp::TcpStream;
+use std::future::Future;
+use std::pin::Pin;
+use std::task::{Context, Poll};
+
+use actix_service::{Service, ServiceFactory};
+use either::Either;
+use futures::future::{ok, Ready};
+use tokio_net::tcp::TcpStream;
 use trust_dns_resolver::AsyncResolver;
 
 use crate::connect::{Address, Connect, Connection};
@@ -14,7 +18,7 @@ pub struct ConnectServiceFactory<T> {
     resolver: ResolverFactory<T>,
 }
 
-impl<T> ConnectServiceFactory<T> {
+impl<T: Unpin> ConnectServiceFactory<T> {
     /// Construct new ConnectService factory
     pub fn new() -> Self {
         ConnectServiceFactory {
@@ -66,14 +70,14 @@ impl<T> Clone for ConnectServiceFactory<T> {
     }
 }
 
-impl<T: Address> NewService for ConnectServiceFactory<T> {
+impl<T: Address + Unpin> ServiceFactory for ConnectServiceFactory<T> {
     type Request = Connect<T>;
     type Response = Connection<T, TcpStream>;
     type Error = ConnectError;
     type Config = ();
     type Service = ConnectService<T>;
     type InitError = ();
-    type Future = FutureResult<Self::Service, Self::InitError>;
+    type Future = Ready<Result<Self::Service, Self::InitError>>;
 
     fn new_service(&self, _: &()) -> Self::Future {
         ok(self.service())
@@ -86,47 +90,66 @@ pub struct ConnectService<T> {
     resolver: Resolver<T>,
 }
 
-impl<T: Address> Service for ConnectService<T> {
+impl<T: Address + Unpin> Service for ConnectService<T> {
     type Request = Connect<T>;
     type Response = Connection<T, TcpStream>;
     type Error = ConnectError;
     type Future = ConnectServiceResponse<T>;
 
-    fn poll_ready(&mut self) -> Poll<(), Self::Error> {
-        Ok(Async::Ready(()))
+    fn poll_ready(&mut self, _: &mut Context) -> Poll<Result<(), Self::Error>> {
+        Poll::Ready(Ok(()))
     }
 
     fn call(&mut self, req: Connect<T>) -> Self::Future {
         ConnectServiceResponse {
-            fut1: Some(self.resolver.call(req)),
-            fut2: None,
+            state: ConnectState::Resolve(self.resolver.call(req)),
             tcp: self.tcp.clone(),
         }
     }
 }
 
-pub struct ConnectServiceResponse<T: Address> {
-    fut1: Option<<Resolver<T> as Service>::Future>,
-    fut2: Option<<TcpConnector<T> as Service>::Future>,
+enum ConnectState<T: Address + Unpin> {
+    Resolve(<Resolver<T> as Service>::Future),
+    Connect(<TcpConnector<T> as Service>::Future),
+}
+
+impl<T: Address + Unpin> ConnectState<T> {
+    fn poll(
+        &mut self,
+        cx: &mut Context,
+    ) -> Either<Poll<Result<Connection<T, TcpStream>, ConnectError>>, Connect<T>> {
+        match self {
+            ConnectState::Resolve(ref mut fut) => match Pin::new(fut).poll(cx) {
+                Poll::Pending => Either::Left(Poll::Pending),
+                Poll::Ready(Ok(res)) => Either::Right(res),
+                Poll::Ready(Err(err)) => Either::Left(Poll::Ready(Err(err))),
+            },
+            ConnectState::Connect(ref mut fut) => Either::Left(Pin::new(fut).poll(cx)),
+        }
+    }
+}
+
+pub struct ConnectServiceResponse<T: Address + Unpin> {
+    state: ConnectState<T>,
     tcp: TcpConnector<T>,
 }
 
-impl<T: Address> Future for ConnectServiceResponse<T> {
-    type Item = Connection<T, TcpStream>;
-    type Error = ConnectError;
+impl<T: Address + Unpin> Future for ConnectServiceResponse<T> {
+    type Output = Result<Connection<T, TcpStream>, ConnectError>;
 
-    fn poll(&mut self) -> Poll<Self::Item, Self::Error> {
-        if let Some(ref mut fut) = self.fut1 {
-            let res = try_ready!(fut.poll());
-            let _ = self.fut1.take();
-            self.fut2 = Some(self.tcp.call(res));
+    fn poll(mut self: Pin<&mut Self>, cx: &mut Context) -> Poll<Self::Output> {
+        let res = match self.state.poll(cx) {
+            Either::Right(res) => {
+                self.state = ConnectState::Connect(self.tcp.call(res));
+                self.state.poll(cx)
             }
+            Either::Left(res) => return res,
+        };
 
-        if let Some(ref mut fut) = self.fut2 {
-            return fut.poll();
+        match res {
+            Either::Left(res) => res,
+            Either::Right(_) => panic!(),
         }
-
-        Ok(Async::NotReady)
     }
 }
 
@@ -136,48 +159,73 @@ pub struct TcpConnectService<T> {
     resolver: Resolver<T>,
 }
 
-impl<T: Address> Service for TcpConnectService<T> {
+impl<T: Address + Unpin + 'static> Service for TcpConnectService<T> {
     type Request = Connect<T>;
     type Response = TcpStream;
     type Error = ConnectError;
     type Future = TcpConnectServiceResponse<T>;
 
-    fn poll_ready(&mut self) -> Poll<(), Self::Error> {
-        Ok(Async::Ready(()))
+    fn poll_ready(&mut self, _: &mut Context) -> Poll<Result<(), Self::Error>> {
+        Poll::Ready(Ok(()))
     }
 
     fn call(&mut self, req: Connect<T>) -> Self::Future {
         TcpConnectServiceResponse {
-            fut1: Some(self.resolver.call(req)),
-            fut2: None,
+            state: TcpConnectState::Resolve(self.resolver.call(req)),
             tcp: self.tcp.clone(),
         }
     }
 }
 
-pub struct TcpConnectServiceResponse<T: Address> {
-    fut1: Option<<Resolver<T> as Service>::Future>,
-    fut2: Option<<TcpConnector<T> as Service>::Future>,
+enum TcpConnectState<T: Address + Unpin> {
+    Resolve(<Resolver<T> as Service>::Future),
+    Connect(<TcpConnector<T> as Service>::Future),
+}
+
+impl<T: Address + Unpin> TcpConnectState<T> {
+    fn poll(
+        &mut self,
+        cx: &mut Context,
+    ) -> Either<Poll<Result<TcpStream, ConnectError>>, Connect<T>> {
+        match self {
+            TcpConnectState::Resolve(ref mut fut) => match Pin::new(fut).poll(cx) {
+                Poll::Pending => (),
+                Poll::Ready(Ok(res)) => return Either::Right(res),
+                Poll::Ready(Err(err)) => return Either::Left(Poll::Ready(Err(err))),
+            },
+            TcpConnectState::Connect(ref mut fut) => {
+                if let Poll::Ready(res) = Pin::new(fut).poll(cx) {
+                    return match res {
+                        Ok(conn) => Either::Left(Poll::Ready(Ok(conn.into_parts().0))),
+                        Err(err) => Either::Left(Poll::Ready(Err(err))),
+                    };
+                }
+            }
+        }
+        Either::Left(Poll::Pending)
+    }
+}
+
+pub struct TcpConnectServiceResponse<T: Address + Unpin> {
+    state: TcpConnectState<T>,
     tcp: TcpConnector<T>,
 }
 
-impl<T: Address> Future for TcpConnectServiceResponse<T> {
-    type Item = TcpStream;
-    type Error = ConnectError;
+impl<T: Address + Unpin> Future for TcpConnectServiceResponse<T> {
+    type Output = Result<TcpStream, ConnectError>;
 
-    fn poll(&mut self) -> Poll<Self::Item, Self::Error> {
-        if let Some(ref mut fut) = self.fut1 {
-            let res = try_ready!(fut.poll());
-            let _ = self.fut1.take();
-            self.fut2 = Some(self.tcp.call(res));
+    fn poll(mut self: Pin<&mut Self>, cx: &mut Context) -> Poll<Self::Output> {
+        let res = match self.state.poll(cx) {
+            Either::Right(res) => {
+                self.state = TcpConnectState::Connect(self.tcp.call(res));
+                self.state.poll(cx)
             }
+            Either::Left(res) => return res,
+        };
 
-        if let Some(ref mut fut) = self.fut2 {
-            if let Async::Ready(conn) = fut.poll()? {
-                return Ok(Async::Ready(conn.into_parts().0));
+        match res {
+            Either::Left(res) => res,
+            Either::Right(_) => panic!(),
         }
     }
-
-        Ok(Async::NotReady)
-    }
 }

actix-connect/src/ssl/mod.rs

@@ -1,12 +1,13 @@
 //! SSL Services
 
-#[cfg(feature = "ssl")]
+#[cfg(feature = "openssl")]
 mod openssl;
-#[cfg(feature = "ssl")]
+#[cfg(feature = "openssl")]
 pub use self::openssl::{
     OpensslConnectService, OpensslConnectServiceFactory, OpensslConnector,
 };
-#[cfg(feature = "rust-tls")]
+
+#[cfg(feature = "rustls")]
 mod rustls;
-#[cfg(feature = "rust-tls")]
+#[cfg(feature = "rustls")]
 pub use self::rustls::RustlsConnector;

actix-connect/src/ssl/openssl.rs

@@ -1,12 +1,15 @@
+use std::future::Future;
 use std::marker::PhantomData;
+use std::pin::Pin;
+use std::task::{Context, Poll};
 use std::{fmt, io};
 
 use actix_codec::{AsyncRead, AsyncWrite};
-use actix_service::{NewService, Service};
-use futures::{future::ok, future::FutureResult, try_ready, Async, Future, Poll};
-use openssl::ssl::{HandshakeError, SslConnector};
-use tokio_openssl::{ConnectAsync, SslConnectorExt, SslStream};
-use tokio_tcp::TcpStream;
+use actix_service::{Service, ServiceFactory};
+use futures::future::{err, ok, Either, FutureExt, LocalBoxFuture, Ready};
+use open_ssl::ssl::SslConnector;
+use tokio_net::tcp::TcpStream;
+use tokio_openssl::{HandshakeError, SslStream};
 use trust_dns_resolver::AsyncResolver;
 
 use crate::{
@@ -30,15 +33,15 @@ impl<T, U> OpensslConnector<T, U> {
 
 impl<T, U> OpensslConnector<T, U>
 where
-    T: Address,
-    U: AsyncRead + AsyncWrite + fmt::Debug,
+    T: Address + Unpin + 'static,
+    U: AsyncRead + AsyncWrite + Unpin + fmt::Debug + 'static,
 {
     pub fn service(
         connector: SslConnector,
     ) -> impl Service<
         Request = Connection<T, U>,
         Response = Connection<T, SslStream<U>>,
-        Error = HandshakeError<U>,
+        Error = io::Error,
     > {
         OpensslConnectorService {
             connector: connector,
@@ -56,17 +59,17 @@ impl<T, U> Clone for OpensslConnector<T, U> {
     }
 }
 
-impl<T: Address, U> NewService for OpensslConnector<T, U>
+impl<T: Address + Unpin + 'static, U> ServiceFactory for OpensslConnector<T, U>
 where
-    U: AsyncRead + AsyncWrite + fmt::Debug,
+    U: AsyncRead + AsyncWrite + Unpin + fmt::Debug + 'static,
 {
     type Request = Connection<T, U>;
     type Response = Connection<T, SslStream<U>>;
-    type Error = HandshakeError<U>;
+    type Error = io::Error;
     type Config = ();
     type Service = OpensslConnectorService<T, U>;
     type InitError = ();
-    type Future = FutureResult<Self::Service, Self::InitError>;
+    type Future = Ready<Result<Self::Service, Self::InitError>>;
 
     fn new_service(&self, _: &()) -> Self::Future {
         ok(OpensslConnectorService {
@@ -90,52 +93,62 @@ impl<T, U> Clone for OpensslConnectorService<T, U> {
     }
 }
 
-impl<T: Address, U> Service for OpensslConnectorService<T, U>
+impl<T: Address + Unpin + 'static, U> Service for OpensslConnectorService<T, U>
 where
-    U: AsyncRead + AsyncWrite + fmt::Debug,
+    U: AsyncRead + AsyncWrite + Unpin + fmt::Debug + 'static,
 {
     type Request = Connection<T, U>;
     type Response = Connection<T, SslStream<U>>;
-    type Error = HandshakeError<U>;
-    type Future = ConnectAsyncExt<T, U>;
+    type Error = io::Error;
+    type Future = Either<ConnectAsyncExt<T, U>, Ready<Result<Self::Response, Self::Error>>>;
 
-    fn poll_ready(&mut self) -> Poll<(), Self::Error> {
-        Ok(Async::Ready(()))
+    fn poll_ready(&mut self, _: &mut Context) -> Poll<Result<(), Self::Error>> {
+        Poll::Ready(Ok(()))
     }
 
     fn call(&mut self, stream: Connection<T, U>) -> Self::Future {
         trace!("SSL Handshake start for: {:?}", stream.host());
         let (io, stream) = stream.replace(());
-        ConnectAsyncExt {
-            fut: SslConnectorExt::connect_async(&self.connector, stream.host(), io),
+        let host = stream.host().to_string();
+
+        match self.connector.configure() {
+            Err(e) => Either::Right(err(io::Error::new(io::ErrorKind::Other, e))),
+            Ok(config) => Either::Left(ConnectAsyncExt {
+                fut: async move { tokio_openssl::connect(config, &host, io).await }
+                    .boxed_local(),
                 stream: Some(stream),
+                _t: PhantomData,
+            }),
         }
     }
 }
 
 pub struct ConnectAsyncExt<T, U> {
-    fut: ConnectAsync<U>,
+    fut: LocalBoxFuture<'static, Result<SslStream<U>, HandshakeError<U>>>,
     stream: Option<Connection<T, ()>>,
+    _t: PhantomData<U>,
 }
 
-impl<T: Address, U> Future for ConnectAsyncExt<T, U>
+impl<T: Address + Unpin, U> Future for ConnectAsyncExt<T, U>
 where
-    U: AsyncRead + AsyncWrite + fmt::Debug,
+    U: AsyncRead + AsyncWrite + Unpin + fmt::Debug + 'static,
 {
-    type Item = Connection<T, SslStream<U>>;
-    type Error = HandshakeError<U>;
+    type Output = Result<Connection<T, SslStream<U>>, io::Error>;
 
-    fn poll(&mut self) -> Poll<Self::Item, Self::Error> {
-        match self.fut.poll().map_err(|e| {
-            trace!("SSL Handshake error: {:?}", e);
-            e
-        })? {
-            Async::Ready(stream) => {
-                let s = self.stream.take().unwrap();
+    fn poll(self: Pin<&mut Self>, cx: &mut Context) -> Poll<Self::Output> {
+        let this = self.get_mut();
+
+        match Pin::new(&mut this.fut).poll(cx) {
+            Poll::Ready(Ok(stream)) => {
+                let s = this.stream.take().unwrap();
                 trace!("SSL Handshake success: {:?}", s.host());
-                Ok(Async::Ready(s.replace(stream).1))
+                Poll::Ready(Ok(s.replace(stream).1))
             }
-            Async::NotReady => Ok(Async::NotReady),
+            Poll::Ready(Err(e)) => {
+                trace!("SSL Handshake error: {:?}", e);
+                Poll::Ready(Err(io::Error::new(io::ErrorKind::Other, format!("{}", e))))
+            }
+            Poll::Pending => Poll::Pending,
         }
     }
 }
@@ -145,7 +158,7 @@ pub struct OpensslConnectServiceFactory<T> {
     openssl: OpensslConnector<T, TcpStream>,
 }
 
-impl<T> OpensslConnectServiceFactory<T> {
+impl<T: Unpin> OpensslConnectServiceFactory<T> {
     /// Construct new OpensslConnectService factory
     pub fn new(connector: SslConnector) -> Self {
         OpensslConnectServiceFactory {
@@ -183,14 +196,14 @@ impl<T> Clone for OpensslConnectServiceFactory<T> {
     }
 }
 
-impl<T: Address> NewService for OpensslConnectServiceFactory<T> {
+impl<T: Address + Unpin + 'static> ServiceFactory for OpensslConnectServiceFactory<T> {
     type Request = Connect<T>;
     type Response = SslStream<TcpStream>;
     type Error = ConnectError;
     type Config = ();
     type Service = OpensslConnectService<T>;
     type InitError = ();
-    type Future = FutureResult<Self::Service, Self::InitError>;
+    type Future = Ready<Result<Self::Service, Self::InitError>>;
 
     fn new_service(&self, _: &()) -> Self::Future {
         ok(self.service())
@@ -203,14 +216,14 @@ pub struct OpensslConnectService<T> {
     openssl: OpensslConnectorService<T, TcpStream>,
 }
 
-impl<T: Address> Service for OpensslConnectService<T> {
+impl<T: Address + Unpin + 'static> Service for OpensslConnectService<T> {
     type Request = Connect<T>;
     type Response = SslStream<TcpStream>;
     type Error = ConnectError;
     type Future = OpensslConnectServiceResponse<T>;
 
-    fn poll_ready(&mut self) -> Poll<(), Self::Error> {
-        Ok(Async::Ready(()))
+    fn poll_ready(&mut self, _: &mut Context) -> Poll<Result<(), Self::Error>> {
+        Poll::Ready(Ok(()))
     }
 
     fn call(&mut self, req: Connect<T>) -> Self::Future {
@@ -222,30 +235,36 @@ impl<T: Address> Service for OpensslConnectService<T> {
     }
 }
 
-pub struct OpensslConnectServiceResponse<T: Address> {
+pub struct OpensslConnectServiceResponse<T: Address + Unpin + 'static> {
     fut1: Option<<ConnectService<T> as Service>::Future>,
     fut2: Option<<OpensslConnectorService<T, TcpStream> as Service>::Future>,
     openssl: OpensslConnectorService<T, TcpStream>,
 }
 
-impl<T: Address> Future for OpensslConnectServiceResponse<T> {
-    type Item = SslStream<TcpStream>;
-    type Error = ConnectError;
+impl<T: Address + Unpin> Future for OpensslConnectServiceResponse<T> {
+    type Output = Result<SslStream<TcpStream>, ConnectError>;
 
-    fn poll(&mut self) -> Poll<Self::Item, Self::Error> {
+    fn poll(mut self: Pin<&mut Self>, cx: &mut Context) -> Poll<Self::Output> {
         if let Some(ref mut fut) = self.fut1 {
-            let res = try_ready!(fut.poll());
+            match futures::ready!(Pin::new(fut).poll(cx)) {
+                Ok(res) => {
                     let _ = self.fut1.take();
                     self.fut2 = Some(self.openssl.call(res));
                 }
+                Err(e) => return Poll::Ready(Err(e.into())),
+            }
+        }
 
         if let Some(ref mut fut) = self.fut2 {
-            let connect = try_ready!(fut
-                .poll()
-                .map_err(|e| ConnectError::Io(io::Error::new(io::ErrorKind::Other, e))));
-            Ok(Async::Ready(connect.into_parts().0))
+            match futures::ready!(Pin::new(fut).poll(cx)) {
+                Ok(connect) => Poll::Ready(Ok(connect.into_parts().0)),
+                Err(e) => Poll::Ready(Err(ConnectError::Io(io::Error::new(
+                    io::ErrorKind::Other,
+                    e,
+                )))),
+            }
         } else {
-            Ok(Async::NotReady)
+            Poll::Pending
         }
     }
 }

actix-connect/src/ssl/rustls.rs

@@ -1,10 +1,13 @@
 use std::fmt;
+use std::future::Future;
 use std::marker::PhantomData;
+use std::pin::Pin;
+use std::sync::Arc;
+use std::task::{Context, Poll};
 
 use actix_codec::{AsyncRead, AsyncWrite};
-use actix_service::{NewService, Service};
-use futures::{future::ok, future::FutureResult, Async, Future, Poll};
-use std::sync::Arc;
+use actix_service::{Service, ServiceFactory};
+use futures::future::{ok, Ready};
 use tokio_rustls::{client::TlsStream, rustls::ClientConfig, Connect, TlsConnector};
 use webpki::DNSNameRef;
 
@@ -27,8 +30,8 @@ impl<T, U> RustlsConnector<T, U> {
 
 impl<T, U> RustlsConnector<T, U>
 where
-    T: Address,
-    U: AsyncRead + AsyncWrite + fmt::Debug,
+    T: Address + Unpin,
+    U: AsyncRead + AsyncWrite + Unpin + fmt::Debug,
 {
     pub fn service(
         connector: Arc<ClientConfig>,
@@ -53,9 +56,9 @@ impl<T, U> Clone for RustlsConnector<T, U> {
     }
 }
 
-impl<T: Address, U> NewService for RustlsConnector<T, U>
+impl<T: Address + Unpin, U> ServiceFactory for RustlsConnector<T, U>
 where
-    U: AsyncRead + AsyncWrite + fmt::Debug,
+    U: AsyncRead + AsyncWrite + Unpin + fmt::Debug,
 {
     type Request = Connection<T, U>;
     type Response = Connection<T, TlsStream<U>>;
@@ -63,7 +66,7 @@ where
     type Config = ();
     type Service = RustlsConnectorService<T, U>;
     type InitError = ();
-    type Future = FutureResult<Self::Service, Self::InitError>;
+    type Future = Ready<Result<Self::Service, Self::InitError>>;
 
     fn new_service(&self, _: &()) -> Self::Future {
         ok(RustlsConnectorService {
@@ -78,17 +81,17 @@ pub struct RustlsConnectorService<T, U> {
     _t: PhantomData<(T, U)>,
 }
 
-impl<T: Address, U> Service for RustlsConnectorService<T, U>
+impl<T: Address + Unpin, U> Service for RustlsConnectorService<T, U>
 where
-    U: AsyncRead + AsyncWrite + fmt::Debug,
+    U: AsyncRead + AsyncWrite + Unpin + fmt::Debug,
 {
     type Request = Connection<T, U>;
     type Response = Connection<T, TlsStream<U>>;
     type Error = std::io::Error;
     type Future = ConnectAsyncExt<T, U>;
 
-    fn poll_ready(&mut self) -> Poll<(), Self::Error> {
-        Ok(Async::Ready(()))
+    fn poll_ready(&mut self, _: &mut Context) -> Poll<Result<(), Self::Error>> {
+        Poll::Ready(Ok(()))
     }
 
     fn call(&mut self, stream: Connection<T, U>) -> Self::Future {
@@ -108,24 +111,20 @@ pub struct ConnectAsyncExt<T, U> {
     stream: Option<Connection<T, ()>>,
 }
 
-impl<T: Address, U> Future for ConnectAsyncExt<T, U>
+impl<T: Address + Unpin, U> Future for ConnectAsyncExt<T, U>
 where
-    U: AsyncRead + AsyncWrite + fmt::Debug,
+    U: AsyncRead + AsyncWrite + Unpin + fmt::Debug,
 {
-    type Item = Connection<T, TlsStream<U>>;
-    type Error = std::io::Error;
+    type Output = Result<Connection<T, TlsStream<U>>, std::io::Error>;
 
-    fn poll(&mut self) -> Poll<Self::Item, Self::Error> {
-        match self.fut.poll().map_err(|e| {
-            trace!("SSL Handshake error: {:?}", e);
-            e
-        })? {
-            Async::Ready(stream) => {
-                let s = self.stream.take().unwrap();
+    fn poll(self: Pin<&mut Self>, cx: &mut Context) -> Poll<Self::Output> {
+        let this = self.get_mut();
+        Poll::Ready(
+            futures::ready!(Pin::new(&mut this.fut).poll(cx)).map(|stream| {
+                let s = this.stream.take().unwrap();
                 trace!("SSL Handshake success: {:?}", s.host());
-                Ok(Async::Ready(s.replace(stream).1))
-            }
-            Async::NotReady => Ok(Async::NotReady),
-        }
+                s.replace(stream).1
+            }),
+        )
     }
 }

actix-connect/tests/test_connect.rs

@@ -1,135 +1,137 @@
+use std::io;
+
 use actix_codec::{BytesCodec, Framed};
 use actix_server_config::Io;
-use actix_service::{service_fn, NewService, Service};
+use actix_service::{service_fn, Service, ServiceFactory};
 use actix_testing::{self as test, TestServer};
 use bytes::Bytes;
-use futures::{future::lazy, Future, Sink};
-use http::{HttpTryFrom, Uri};
+use futures::SinkExt;
 use trust_dns_resolver::config::{ResolverConfig, ResolverOpts};
 
-use actix_connect::{default_connector, Connect};
+use actix_connect::Connect;
 
-#[cfg(feature = "ssl")]
+#[cfg(feature = "openssl")]
 #[test]
 fn test_string() {
     let srv = TestServer::with(|| {
-        service_fn(|io: Io<tokio_tcp::TcpStream>| {
-            Framed::new(io.into_parts().0, BytesCodec)
-                .send(Bytes::from_static(b"test"))
-                .then(|_| Ok::<_, ()>(()))
+        service_fn(|io: Io<tokio_net::tcp::TcpStream>| {
+            async {
+                let mut framed = Framed::new(io.into_parts().0, BytesCodec);
+                framed.send(Bytes::from_static(b"test")).await?;
+                Ok::<_, io::Error>(())
+            }
         })
     });
 
-    let mut conn = default_connector();
+    let mut conn = actix_connect::default_connector();
     let addr = format!("localhost:{}", srv.port());
     let con = test::call_service(&mut conn, addr.into());
     assert_eq!(con.peer_addr().unwrap(), srv.addr());
 }
 
-#[cfg(feature = "rust-tls")]
+#[cfg(feature = "rustls")]
 #[test]
 fn test_rustls_string() {
     let srv = TestServer::with(|| {
-        service_fn(|io: Io<tokio_tcp::TcpStream>| {
-            Framed::new(io.into_parts().0, BytesCodec)
-                .send(Bytes::from_static(b"test"))
-                .then(|_| Ok::<_, ()>(()))
+        service_fn(|io: Io<tokio_net::tcp::TcpStream>| {
+            async {
+                let mut framed = Framed::new(io.into_parts().0, BytesCodec);
+                framed.send(Bytes::from_static(b"test")).await?;
+                Ok::<_, io::Error>(())
+            }
         })
     });
 
-    let mut conn = default_connector();
+    let mut conn = actix_connect::default_connector();
     let addr = format!("localhost:{}", srv.port());
     let con = test::call_service(&mut conn, addr.into());
     assert_eq!(con.peer_addr().unwrap(), srv.addr());
 }
 
-#[test]
-fn test_static_str() {
+#[tokio::test]
+async fn test_static_str() {
     let srv = TestServer::with(|| {
-        service_fn(|io: Io<tokio_tcp::TcpStream>| {
-            Framed::new(io.into_parts().0, BytesCodec)
-                .send(Bytes::from_static(b"test"))
-                .then(|_| Ok::<_, ()>(()))
+        service_fn(|io: Io<tokio_net::tcp::TcpStream>| {
+            async {
+                let mut framed = Framed::new(io.into_parts().0, BytesCodec);
+                framed.send(Bytes::from_static(b"test")).await?;
+                Ok::<_, io::Error>(())
+            }
         })
     });
 
-    let resolver = test::block_on(lazy(
-        || Ok::<_, ()>(actix_connect::start_default_resolver()),
-    ))
-    .unwrap();
+    let resolver = actix_connect::start_default_resolver();
+    let mut conn = actix_connect::new_connector(resolver.clone());
 
-    let mut conn = test::block_on(lazy(|| {
-        Ok::<_, ()>(actix_connect::new_connector(resolver.clone()))
-    }))
-    .unwrap();
-
-    let con = test::block_on(conn.call(Connect::with("10", srv.addr()))).unwrap();
+    let con = conn.call(Connect::with("10", srv.addr())).await.unwrap();
     assert_eq!(con.peer_addr().unwrap(), srv.addr());
 
     let connect = Connect::new(srv.host().to_owned());
-    let mut conn =
-        test::block_on(lazy(|| Ok::<_, ()>(actix_connect::new_connector(resolver)))).unwrap();
-    let con = test::block_on(conn.call(connect));
+    let mut conn = actix_connect::new_connector(resolver);
+    let con = conn.call(connect).await;
     assert!(con.is_err());
 }
 
 #[test]
 fn test_new_service() {
     let srv = TestServer::with(|| {
-        service_fn(|io: Io<tokio_tcp::TcpStream>| {
-            Framed::new(io.into_parts().0, BytesCodec)
-                .send(Bytes::from_static(b"test"))
-                .then(|_| Ok::<_, ()>(()))
+        service_fn(|io: Io<tokio_net::tcp::TcpStream>| {
+            async {
+                let mut framed = Framed::new(io.into_parts().0, BytesCodec);
+                framed.send(Bytes::from_static(b"test")).await?;
+                Ok::<_, io::Error>(())
+            }
         })
     });
 
-    let resolver = test::block_on(lazy(|| {
-        Ok::<_, ()>(actix_connect::start_resolver(
-            ResolverConfig::default(),
-            ResolverOpts::default(),
-        ))
-    }))
-    .unwrap();
-    let factory = test::block_on(lazy(|| {
-        Ok::<_, ()>(actix_connect::new_connector_factory(resolver))
-    }))
-    .unwrap();
+    let resolver = test::block_on(async {
+        actix_connect::start_resolver(ResolverConfig::default(), ResolverOpts::default())
+    });
+    let factory = test::block_on(async { actix_connect::new_connector_factory(resolver) });
 
     let mut conn = test::block_on(factory.new_service(&())).unwrap();
     let con = test::block_on(conn.call(Connect::with("10", srv.addr()))).unwrap();
     assert_eq!(con.peer_addr().unwrap(), srv.addr());
 }
 
-#[cfg(feature = "ssl")]
+#[cfg(feature = "openssl")]
 #[test]
 fn test_uri() {
+    use http::HttpTryFrom;
+
     let srv = TestServer::with(|| {
-        service_fn(|io: Io<tokio_tcp::TcpStream>| {
-            Framed::new(io.into_parts().0, BytesCodec)
-                .send(Bytes::from_static(b"test"))
-                .then(|_| Ok::<_, ()>(()))
+        service_fn(|io: Io<tokio_net::tcp::TcpStream>| {
+            async {
+                let mut framed = Framed::new(io.into_parts().0, BytesCodec);
+                framed.send(Bytes::from_static(b"test")).await?;
+                Ok::<_, io::Error>(())
+            }
         })
     });
 
-    let mut conn = default_connector();
-    let addr = Uri::try_from(format!("https://localhost:{}", srv.port())).unwrap();
+    let mut conn = actix_connect::default_connector();
+    let addr = http::Uri::try_from(format!("https://localhost:{}", srv.port())).unwrap();
     let con = test::call_service(&mut conn, addr.into());
     assert_eq!(con.peer_addr().unwrap(), srv.addr());
 }
 
-#[cfg(feature = "rust-tls")]
+#[cfg(feature = "rustls")]
 #[test]
 fn test_rustls_uri() {
+    use http::HttpTryFrom;
+
     let srv = TestServer::with(|| {
-        service_fn(|io: Io<tokio_tcp::TcpStream>| {
-            Framed::new(io.into_parts().0, BytesCodec)
-                .send(Bytes::from_static(b"test"))
-                .then(|_| Ok::<_, ()>(()))
+        service_fn(|io: Io<tokio_net::tcp::TcpStream>| {
+            async {
+                let mut framed = Framed::new(io.into_parts().0, BytesCodec);
+                framed.send(Bytes::from_static(b"test")).await?;
+                Ok::<_, io::Error>(())
+            }
         })
     });
 
-    let mut conn = default_connector();
-    let addr = Uri::try_from(format!("https://localhost:{}", srv.port())).unwrap();
+    let mut conn = actix_connect::default_connector();
+    let addr = http::Uri::try_from(format!("https://localhost:{}", srv.port())).unwrap();
     let con = test::call_service(&mut conn, addr.into());
     assert_eq!(con.peer_addr().unwrap(), srv.addr());
 }

actix-ioframe/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "actix-ioframe"
-version = "0.1.1"
+version = "0.3.0-alpha.1"
 authors = ["Nikolay Kim <fafhrd91@gmail.com>"]
 description = "Actix framed service"
 keywords = ["network", "framework", "async", "futures"]
@@ -18,18 +18,20 @@ name = "actix_ioframe"
 path = "src/lib.rs"
 
 [dependencies]
-actix-service = "0.4.1"
-actix-codec = "0.1.2"
+actix-service = "1.0.0-alpha.1"
+actix-codec = "0.2.0-alpha.1"
+actix-utils = "0.5.0-alpha.1"
 bytes = "0.4"
 either = "1.5.2"
-futures = "0.1.25"
-tokio-current-thread = "0.1.4"
+futures = "0.3.1"
+pin-project = "0.4.5"
+tokio-executor = "=0.2.0-alpha.6"
 log = "0.4"
 
 [dev-dependencies]
-actix-rt = "0.2.2"
-actix-connect = "0.3.0"
-actix-testing = "0.2.0"
-actix-server-config = "0.2.0"
-tokio-tcp = "0.1"
-tokio-timer = "0.2"
+actix-rt = "1.0.0-alpha.1"
+actix-connect = "1.0.0-alpha.1"
+actix-testing = "0.3.0-alpha.1"
+actix-server-config = "0.3.0-alpha.1"
+tokio-net = "=0.2.0-alpha.6"
+tokio-timer = "=0.3.0-alpha.6"

actix-ioframe/src/connect.rs

@@ -1,7 +1,11 @@
 use std::marker::PhantomData;
+use std::pin::Pin;
+use std::task::{Context, Poll};
 
 use actix_codec::{AsyncRead, AsyncWrite, Decoder, Encoder, Framed};
-use futures::unsync::mpsc;
+use actix_utils::mpsc;
+use futures::Stream;
+use pin_project::pin_project;
 
 use crate::dispatcher::FramedMessage;
 use crate::sink::Sink;
@@ -13,7 +17,7 @@ pub struct Connect<Io, St = (), Codec = ()> {
 
 impl<Io> Connect<Io>
 where
-    Io: AsyncRead + AsyncWrite,
+    Io: AsyncRead + AsyncWrite + Unpin,
 {
     pub(crate) fn new(io: Io) -> Self {
         Self {
@@ -24,9 +28,9 @@ where
 
     pub fn codec<Codec>(self, codec: Codec) -> ConnectResult<Io, (), Codec>
     where
-        Codec: Encoder + Decoder,
+        Codec: Encoder + Decoder + Unpin,
     {
-        let (tx, rx) = mpsc::unbounded();
+        let (tx, rx) = mpsc::channel();
         let sink = Sink::new(tx);
 
         ConnectResult {
@@ -38,10 +42,12 @@ where
     }
 }
 
+#[pin_project]
 pub struct ConnectResult<Io, St, Codec: Encoder + Decoder> {
     pub(crate) state: St,
+    #[pin]
     pub(crate) framed: Framed<Io, Codec>,
-    pub(crate) rx: mpsc::UnboundedReceiver<FramedMessage<<Codec as Encoder>::Item>>,
+    pub(crate) rx: mpsc::Receiver<FramedMessage<<Codec as Encoder>::Item>>,
     pub(crate) sink: Sink<<Codec as Encoder>::Item>,
 }
 
@@ -72,39 +78,41 @@ impl<Io, St, Codec: Encoder + Decoder> ConnectResult<Io, St, Codec> {
     }
 }
 
-impl<Io, St, Codec> futures::Stream for ConnectResult<Io, St, Codec>
+impl<Io, St, Codec> Stream for ConnectResult<Io, St, Codec>
 where
-    Io: AsyncRead + AsyncWrite,
-    Codec: Encoder + Decoder,
+    Io: AsyncRead + AsyncWrite + Unpin,
+    Codec: Encoder + Decoder + Unpin,
 {
-    type Item = <Codec as Decoder>::Item;
-    type Error = <Codec as Decoder>::Error;
+    type Item = Result<<Codec as Decoder>::Item, <Codec as Decoder>::Error>;
 
-    fn poll(&mut self) -> futures::Poll<Option<Self::Item>, Self::Error> {
-        self.framed.poll()
+    fn poll_next(self: Pin<&mut Self>, cx: &mut Context) -> Poll<Option<Self::Item>> {
+        self.project().framed.poll_next(cx)
     }
 }
 
-impl<Io, St, Codec> futures::Sink for ConnectResult<Io, St, Codec>
+impl<Io, St, Codec> futures::Sink<<Codec as Encoder>::Item> for ConnectResult<Io, St, Codec>
 where
-    Io: AsyncRead + AsyncWrite,
-    Codec: Encoder + Decoder,
+    Io: AsyncRead + AsyncWrite + Unpin,
+    Codec: Encoder + Decoder + Unpin,
 {
-    type SinkItem = <Codec as Encoder>::Item;
-    type SinkError = <Codec as Encoder>::Error;
+    type Error = <Codec as Encoder>::Error;
+
+    fn poll_ready(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Result<(), Self::Error>> {
+        self.project().framed.poll_ready(cx)
+    }
 
     fn start_send(
-        &mut self,
-        item: Self::SinkItem,
-    ) -> futures::StartSend<Self::SinkItem, Self::SinkError> {
-        self.framed.start_send(item)
+        self: Pin<&mut Self>,
+        item: <Codec as Encoder>::Item,
+    ) -> Result<(), Self::Error> {
+        self.project().framed.start_send(item)
     }
 
-    fn poll_complete(&mut self) -> futures::Poll<(), Self::SinkError> {
-        self.framed.poll_complete()
+    fn poll_flush(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Result<(), Self::Error>> {
+        self.project().framed.poll_flush(cx)
     }
 
-    fn close(&mut self) -> futures::Poll<(), Self::SinkError> {
-        self.framed.close()
+    fn poll_close(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Result<(), Self::Error>> {
+        self.project().framed.poll_close(cx)
     }
 }

actix-ioframe/src/dispatcher.rs

@@ -1,13 +1,17 @@
 //! Framed dispatcher service and related utilities
 use std::collections::VecDeque;
+use std::future::Future;
 use std::mem;
+use std::pin::Pin;
 use std::rc::Rc;
+use std::task::{Context, Poll};
 
 use actix_codec::{AsyncRead, AsyncWrite, Decoder, Encoder, Framed};
 use actix_service::{IntoService, Service};
-use futures::task::AtomicTask;
-use futures::unsync::{mpsc, oneshot};
-use futures::{Async, Future, Poll, Sink as FutureSink, Stream};
+use actix_utils::task::LocalWaker;
+use actix_utils::{mpsc, oneshot};
+use futures::future::ready;
+use futures::{FutureExt, Sink as FutureSink, Stream};
 use log::debug;
 
 use crate::cell::Cell;
@@ -27,13 +31,14 @@ pub(crate) enum FramedMessage<T> {
 
 /// FramedTransport - is a future that reads frames from Framed object
 /// and pass then to the service.
+#[pin_project::pin_project]
 pub(crate) struct FramedDispatcher<St, S, T, U>
 where
     S: Service<Request = Request<St, U>, Response = Option<Response<U>>>,
     S::Error: 'static,
     S::Future: 'static,
-    T: AsyncRead + AsyncWrite,
-    U: Encoder + Decoder,
+    T: AsyncRead + AsyncWrite + Unpin,
+    U: Encoder + Decoder + Unpin,
     <U as Encoder>::Item: 'static,
     <U as Encoder>::Error: std::fmt::Debug,
 {
@@ -42,7 +47,7 @@ where
     state: State<St>,
     dispatch_state: FramedState<S, U>,
     framed: Framed<T, U>,
-    rx: Option<mpsc::UnboundedReceiver<FramedMessage<<U as Encoder>::Item>>>,
+    rx: Option<mpsc::Receiver<FramedMessage<<U as Encoder>::Item>>>,
     inner: Cell<FramedDispatcherInner<<U as Encoder>::Item, S::Error>>,
     disconnect: Option<Rc<dyn Fn(&mut St, bool)>>,
 }
@@ -52,8 +57,8 @@ where
     S: Service<Request = Request<St, U>, Response = Option<Response<U>>>,
     S::Error: 'static,
     S::Future: 'static,
-    T: AsyncRead + AsyncWrite,
-    U: Decoder + Encoder,
+    T: AsyncRead + AsyncWrite + Unpin,
+    U: Decoder + Encoder + Unpin,
     <U as Encoder>::Item: 'static,
     <U as Encoder>::Error: std::fmt::Debug,
 {
@@ -61,7 +66,7 @@ where
         framed: Framed<T, U>,
         state: State<St>,
         service: F,
-        rx: mpsc::UnboundedReceiver<FramedMessage<<U as Encoder>::Item>>,
+        rx: mpsc::Receiver<FramedMessage<<U as Encoder>::Item>>,
         sink: Sink<<U as Encoder>::Item>,
         disconnect: Option<Rc<dyn Fn(&mut St, bool)>>,
     ) -> Self {
@@ -75,13 +80,13 @@ where
             dispatch_state: FramedState::Processing,
             inner: Cell::new(FramedDispatcherInner {
                 buf: VecDeque::new(),
-                task: AtomicTask::new(),
+                task: LocalWaker::new(),
             }),
         }
     }
 }
 
-enum FramedState<S: Service, U: Encoder + Decoder> {
+enum FramedState<S: Service, U: Encoder + Decoder + Unpin> {
     Processing,
     Error(ServiceError<S::Error, U>),
     FramedError(ServiceError<S::Error, U>),
@@ -89,7 +94,7 @@ enum FramedState<S: Service, U: Encoder + Decoder> {
     Stopping,
 }
 
-impl<S: Service, U: Encoder + Decoder> FramedState<S, U> {
+impl<S: Service, U: Encoder + Decoder + Unpin> FramedState<S, U> {
     fn stop(&mut self, tx: Option<oneshot::Sender<()>>) {
         match self {
             FramedState::FlushAndStop(ref mut vec) => {
@@ -115,123 +120,252 @@ impl<S: Service, U: Encoder + Decoder> FramedState<S, U> {
 
 struct FramedDispatcherInner<I, E> {
     buf: VecDeque<Result<I, E>>,
-    task: AtomicTask,
+    task: LocalWaker,
 }
 
-impl<St, S, T, U> FramedDispatcher<St, S, T, U>
+impl<St, S, T, U> Future for FramedDispatcher<St, S, T, U>
 where
     S: Service<Request = Request<St, U>, Response = Option<Response<U>>>,
     S::Error: 'static,
     S::Future: 'static,
-    T: AsyncRead + AsyncWrite,
-    U: Decoder + Encoder,
+    T: AsyncRead + AsyncWrite + Unpin,
+    U: Decoder + Encoder + Unpin,
     <U as Encoder>::Item: 'static,
     <U as Encoder>::Error: std::fmt::Debug,
 {
-    fn disconnect(&mut self, error: bool) {
-        if let Some(ref disconnect) = self.disconnect {
-            (&*disconnect)(&mut *self.state.get_mut(), error);
-        }
-    }
+    type Output = Result<(), ServiceError<S::Error, U>>;
 
-    fn poll_read(&mut self) -> bool {
+    fn poll(mut self: Pin<&mut Self>, cx: &mut Context) -> Poll<Self::Output> {
+        unsafe { self.inner.get_ref().task.register(cx.waker()) };
+
+        let this = self.project();
+        poll(
+            cx,
+            this.service,
+            this.state,
+            this.sink,
+            this.framed,
+            this.dispatch_state,
+            this.rx,
+            this.inner,
+            this.disconnect,
+        )
+    }
+}
+
+fn poll<St, S, T, U>(
+    cx: &mut Context,
+    srv: &mut S,
+    state: &mut State<St>,
+    sink: &mut Sink<<U as Encoder>::Item>,
+    framed: &mut Framed<T, U>,
+    dispatch_state: &mut FramedState<S, U>,
+    rx: &mut Option<mpsc::Receiver<FramedMessage<<U as Encoder>::Item>>>,
+    inner: &mut Cell<FramedDispatcherInner<<U as Encoder>::Item, S::Error>>,
+    disconnect: &mut Option<Rc<dyn Fn(&mut St, bool)>>,
+) -> Poll<Result<(), ServiceError<S::Error, U>>>
+where
+    S: Service<Request = Request<St, U>, Response = Option<Response<U>>>,
+    S::Error: 'static,
+    S::Future: 'static,
+    T: AsyncRead + AsyncWrite + Unpin,
+    U: Decoder + Encoder + Unpin,
+    <U as Encoder>::Item: 'static,
+    <U as Encoder>::Error: std::fmt::Debug,
+{
+    match mem::replace(dispatch_state, FramedState::Processing) {
+        FramedState::Processing => {
+            if poll_read(cx, srv, state, sink, framed, dispatch_state, inner)
+                || poll_write(cx, framed, dispatch_state, rx, inner)
+            {
+                poll(
+                    cx,
+                    srv,
+                    state,
+                    sink,
+                    framed,
+                    dispatch_state,
+                    rx,
+                    inner,
+                    disconnect,
+                )
+            } else {
+                Poll::Pending
+            }
+        }
+        FramedState::Error(err) => {
+            if framed.is_write_buf_empty()
+                || (poll_write(cx, framed, dispatch_state, rx, inner)
+                    || framed.is_write_buf_empty())
+            {
+                if let Some(ref disconnect) = disconnect {
+                    (&*disconnect)(&mut *state.get_mut(), true);
+                }
+                Poll::Ready(Err(err))
+            } else {
+                *dispatch_state = FramedState::Error(err);
+                Poll::Pending
+            }
+        }
+        FramedState::FlushAndStop(mut vec) => {
+            if !framed.is_write_buf_empty() {
+                match Pin::new(framed).poll_flush(cx) {
+                    Poll::Ready(Err(err)) => {
+                        debug!("Error sending data: {:?}", err);
+                    }
+                    Poll::Pending => {
+                        *dispatch_state = FramedState::FlushAndStop(vec);
+                        return Poll::Pending;
+                    }
+                    Poll::Ready(_) => (),
+                }
+            };
+            for tx in vec.drain(..) {
+                let _ = tx.send(());
+            }
+            if let Some(ref disconnect) = disconnect {
+                (&*disconnect)(&mut *state.get_mut(), false);
+            }
+            Poll::Ready(Ok(()))
+        }
+        FramedState::FramedError(err) => {
+            if let Some(ref disconnect) = disconnect {
+                (&*disconnect)(&mut *state.get_mut(), true);
+            }
+            Poll::Ready(Err(err))
+        }
+        FramedState::Stopping => {
+            if let Some(ref disconnect) = disconnect {
+                (&*disconnect)(&mut *state.get_mut(), false);
+            }
+            Poll::Ready(Ok(()))
+        }
+    }
+}
+
+fn poll_read<St, S, T, U>(
+    cx: &mut Context,
+    srv: &mut S,
+    state: &mut State<St>,
+    sink: &mut Sink<<U as Encoder>::Item>,
+    framed: &mut Framed<T, U>,
+    dispatch_state: &mut FramedState<S, U>,
+    inner: &mut Cell<FramedDispatcherInner<<U as Encoder>::Item, S::Error>>,
+) -> bool
+where
+    S: Service<Request = Request<St, U>, Response = Option<Response<U>>>,
+    S::Error: 'static,
+    S::Future: 'static,
+    T: AsyncRead + AsyncWrite + Unpin,
+    U: Decoder + Encoder + Unpin,
+    <U as Encoder>::Item: 'static,
+    <U as Encoder>::Error: std::fmt::Debug,
+{
     loop {
-            match self.service.poll_ready() {
-                Ok(Async::Ready(_)) => {
-                    let item = match self.framed.poll() {
-                        Ok(Async::Ready(Some(el))) => el,
-                        Err(err) => {
-                            self.dispatch_state =
-                                FramedState::FramedError(ServiceError::Decoder(err));
+        match srv.poll_ready(cx) {
+            Poll::Ready(Ok(_)) => {
+                let item = match framed.next_item(cx) {
+                    Poll::Ready(Some(Ok(el))) => el,
+                    Poll::Ready(Some(Err(err))) => {
+                        *dispatch_state = FramedState::FramedError(ServiceError::Decoder(err));
                         return true;
                     }
-                        Ok(Async::NotReady) => return false,
-                        Ok(Async::Ready(None)) => {
+                    Poll::Pending => return false,
+                    Poll::Ready(None) => {
                         log::trace!("Client disconnected");
-                            self.dispatch_state = FramedState::Stopping;
+                        *dispatch_state = FramedState::Stopping;
                         return true;
                     }
                 };
 
-                    let mut cell = self.inner.clone();
-                    tokio_current_thread::spawn(
-                        self.service
-                            .call(Item::new(self.state.clone(), self.sink.clone(), item))
+                let mut cell = inner.clone();
+                tokio_executor::current_thread::spawn(
+                    srv.call(Item::new(state.clone(), sink.clone(), item))
                         .then(move |item| {
                             let item = match item {
                                 Ok(Some(item)) => Ok(item),
-                                    Ok(None) => return Ok(()),
+                                Ok(None) => return ready(()),
                                 Err(err) => Err(err),
                             };
                             unsafe {
                                 let inner = cell.get_mut();
                                 inner.buf.push_back(item);
-                                    inner.task.notify();
+                                inner.task.wake();
                             }
-                                Ok(())
+                            ready(())
                         }),
                 );
             }
-                Ok(Async::NotReady) => return false,
-                Err(err) => {
-                    self.dispatch_state = FramedState::Error(ServiceError::Service(err));
+            Poll::Pending => return false,
+            Poll::Ready(Err(err)) => {
+                *dispatch_state = FramedState::Error(ServiceError::Service(err));
                 return true;
             }
         }
     }
-    }
+}
 
-    /// write to framed object
-    fn poll_write(&mut self) -> bool {
-        let inner = unsafe { self.inner.get_mut() };
-        let mut rx_done = self.rx.is_none();
+/// write to framed object
+fn poll_write<St, S, T, U>(
+    cx: &mut Context,
+    framed: &mut Framed<T, U>,
+    dispatch_state: &mut FramedState<S, U>,
+    rx: &mut Option<mpsc::Receiver<FramedMessage<<U as Encoder>::Item>>>,
+    inner: &mut Cell<FramedDispatcherInner<<U as Encoder>::Item, S::Error>>,
+) -> bool
+where
+    S: Service<Request = Request<St, U>, Response = Option<Response<U>>>,
+    S::Error: 'static,
+    S::Future: 'static,
+    T: AsyncRead + AsyncWrite + Unpin,
+    U: Decoder + Encoder + Unpin,
+    <U as Encoder>::Item: 'static,
+    <U as Encoder>::Error: std::fmt::Debug,
+{
+    let inner = unsafe { inner.get_mut() };
+    let mut rx_done = rx.is_none();
     let mut buf_empty = inner.buf.is_empty();
     loop {
-            while !self.framed.is_write_buf_full() {
+        while !framed.is_write_buf_full() {
             if !buf_empty {
                 match inner.buf.pop_front().unwrap() {
                     Ok(msg) => {
-                            if let Err(err) = self.framed.force_send(msg) {
-                                self.dispatch_state =
+                        if let Err(err) = framed.force_send(msg) {
+                            *dispatch_state =
                                 FramedState::FramedError(ServiceError::Encoder(err));
                             return true;
                         }
                         buf_empty = inner.buf.is_empty();
                     }
                     Err(err) => {
-                            self.dispatch_state =
-                                FramedState::Error(ServiceError::Service(err));
+                        *dispatch_state = FramedState::Error(ServiceError::Service(err));
                         return true;
                     }
                 }
             }
 
-                if !rx_done && self.rx.is_some() {
-                    match self.rx.as_mut().unwrap().poll() {
-                        Ok(Async::Ready(Some(FramedMessage::Message(msg)))) => {
-                            if let Err(err) = self.framed.force_send(msg) {
-                                self.dispatch_state =
+            if !rx_done && rx.is_some() {
+                match Pin::new(rx.as_mut().unwrap()).poll_next(cx) {
+                    Poll::Ready(Some(FramedMessage::Message(msg))) => {
+                        if let Err(err) = framed.force_send(msg) {
+                            *dispatch_state =
                                 FramedState::FramedError(ServiceError::Encoder(err));
                             return true;
                         }
                     }
-                        Ok(Async::Ready(Some(FramedMessage::Close))) => {
-                            self.dispatch_state.stop(None);
+                    Poll::Ready(Some(FramedMessage::Close)) => {
+                        dispatch_state.stop(None);
                         return true;
                     }
-                        Ok(Async::Ready(Some(FramedMessage::WaitClose(tx)))) => {
-                            self.dispatch_state.stop(Some(tx));
+                    Poll::Ready(Some(FramedMessage::WaitClose(tx))) => {
+                        dispatch_state.stop(Some(tx));
                         return true;
                     }
-                        Ok(Async::Ready(None)) => {
+                    Poll::Ready(None) => {
                         rx_done = true;
-                            let _ = self.rx.take();
-                        }
-                        Ok(Async::NotReady) => rx_done = true,
-                        Err(_e) => {
-                            rx_done = true;
-                            let _ = self.rx.take();
+                        let _ = rx.take();
                     }
+                    Poll::Pending => rx_done = true,
                 }
             }
 
@@ -240,16 +374,15 @@ where
             }
         }
 
-            if !self.framed.is_write_buf_empty() {
-                match self.framed.poll_complete() {
-                    Ok(Async::NotReady) => break,
-                    Err(err) => {
+        if !framed.is_write_buf_empty() {
+            match framed.flush(cx) {
+                Poll::Pending => break,
+                Poll::Ready(Err(err)) => {
                     debug!("Error sending data: {:?}", err);
-                        self.dispatch_state =
-                            FramedState::FramedError(ServiceError::Encoder(err));
+                    *dispatch_state = FramedState::FramedError(ServiceError::Encoder(err));
                     return true;
                 }
-                    Ok(Async::Ready(_)) => (),
+                Poll::Ready(_) => (),
             }
         } else {
             break;
@@ -257,71 +390,4 @@ where
     }
 
     false
-    }
-}
-
-impl<St, S, T, U> Future for FramedDispatcher<St, S, T, U>
-where
-    S: Service<Request = Request<St, U>, Response = Option<Response<U>>>,
-    S::Error: 'static,
-    S::Future: 'static,
-    T: AsyncRead + AsyncWrite,
-    U: Decoder + Encoder,
-    <U as Encoder>::Item: 'static,
-    <U as Encoder>::Error: std::fmt::Debug,
-{
-    type Item = ();
-    type Error = ServiceError<S::Error, U>;
-
-    fn poll(&mut self) -> Poll<Self::Item, Self::Error> {
-        unsafe { self.inner.get_ref().task.register() };
-
-        match mem::replace(&mut self.dispatch_state, FramedState::Processing) {
-            FramedState::Processing => {
-                if self.poll_read() || self.poll_write() {
-                    self.poll()
-                } else {
-                    Ok(Async::NotReady)
-                }
-            }
-            FramedState::Error(err) => {
-                if self.framed.is_write_buf_empty()
-                    || (self.poll_write() || self.framed.is_write_buf_empty())
-                {
-                    self.disconnect(true);
-                    Err(err)
-                } else {
-                    self.dispatch_state = FramedState::Error(err);
-                    Ok(Async::NotReady)
-                }
-            }
-            FramedState::FlushAndStop(mut vec) => {
-                if !self.framed.is_write_buf_empty() {
-                    match self.framed.poll_complete() {
-                        Err(err) => {
-                            debug!("Error sending data: {:?}", err);
-                        }
-                        Ok(Async::NotReady) => {
-                            self.dispatch_state = FramedState::FlushAndStop(vec);
-                            return Ok(Async::NotReady);
-                        }
-                        Ok(Async::Ready(_)) => (),
-                    }
-                };
-                for tx in vec.drain(..) {
-                    let _ = tx.send(());
-                }
-                self.disconnect(false);
-                Ok(Async::Ready(()))
-            }
-            FramedState::FramedError(err) => {
-                self.disconnect(true);
-                Err(err)
-            }
-            FramedState::Stopping => {
-                self.disconnect(false);
-                Ok(Async::Ready(()))
-            }
-        }
-    }
 }

actix-ioframe/src/service.rs

@@ -1,9 +1,14 @@
+use std::future::Future;
 use std::marker::PhantomData;
+use std::pin::Pin;
 use std::rc::Rc;
+use std::task::{Context, Poll};
 
 use actix_codec::{AsyncRead, AsyncWrite, Decoder, Encoder};
-use actix_service::{IntoNewService, IntoService, NewService, Service};
-use futures::{Async, Future, Poll};
+use actix_service::{IntoService, IntoServiceFactory, Service, ServiceFactory};
+use either::Either;
+use futures::future::{FutureExt, LocalBoxFuture};
+use pin_project::{pin_project, project};
 
 use crate::connect::{Connect, ConnectResult};
 use crate::dispatcher::FramedDispatcher;
@@ -27,9 +32,9 @@ impl<St, Codec> Builder<St, Codec> {
     pub fn service<Io, C, F>(self, connect: F) -> ServiceBuilder<St, C, Io, Codec>
     where
         F: IntoService<C>,
-        Io: AsyncRead + AsyncWrite,
+        Io: AsyncRead + AsyncWrite + Unpin,
         C: Service<Request = Connect<Io>, Response = ConnectResult<Io, St, Codec>>,
-        Codec: Decoder + Encoder,
+        Codec: Decoder + Encoder + Unpin,
     {
         ServiceBuilder {
             connect: connect.into_service(),
@@ -41,19 +46,19 @@ impl<St, Codec> Builder<St, Codec> {
     /// Construct framed handler new service with specified connect service
     pub fn factory<Io, C, F>(self, connect: F) -> NewServiceBuilder<St, C, Io, Codec>
     where
-        F: IntoNewService<C>,
-        Io: AsyncRead + AsyncWrite,
-        C: NewService<
+        F: IntoServiceFactory<C>,
+        Io: AsyncRead + AsyncWrite + Unpin,
+        C: ServiceFactory<
             Config = (),
             Request = Connect<Io>,
             Response = ConnectResult<Io, St, Codec>,
         >,
         C::Error: 'static,
         C::Future: 'static,
-        Codec: Decoder + Encoder,
+        Codec: Decoder + Encoder + Unpin,
     {
         NewServiceBuilder {
-            connect: connect.into_new_service(),
+            connect: connect.into_factory(),
             disconnect: None,
             _t: PhantomData,
         }
@@ -69,10 +74,10 @@ pub struct ServiceBuilder<St, C, Io, Codec> {
 impl<St, C, Io, Codec> ServiceBuilder<St, C, Io, Codec>
 where
     St: 'static,
-    Io: AsyncRead + AsyncWrite,
+    Io: AsyncRead + AsyncWrite + Unpin,
     C: Service<Request = Connect<Io>, Response = ConnectResult<Io, St, Codec>>,
     C::Error: 'static,
-    Codec: Decoder + Encoder,
+    Codec: Decoder + Encoder + Unpin,
     <Codec as Encoder>::Item: 'static,
     <Codec as Encoder>::Error: std::fmt::Debug,
 {
@@ -93,8 +98,8 @@ where
         service: F,
     ) -> impl Service<Request = Io, Response = (), Error = ServiceError<C::Error, Codec>>
     where
-        F: IntoNewService<T>,
-        T: NewService<
+        F: IntoServiceFactory<T>,
+        T: ServiceFactory<
                 Config = St,
                 Request = RequestItem<St, Codec>,
                 Response = ResponseItem<Codec>,
@@ -104,7 +109,7 @@ where
     {
         FramedServiceImpl {
             connect: self.connect,
-            handler: Rc::new(service.into_new_service()),
+            handler: Rc::new(service.into_factory()),
             disconnect: self.disconnect.clone(),
             _t: PhantomData,
         }
@@ -120,11 +125,15 @@ pub struct NewServiceBuilder<St, C, Io, Codec> {
 impl<St, C, Io, Codec> NewServiceBuilder<St, C, Io, Codec>
 where
     St: 'static,
-    Io: AsyncRead + AsyncWrite,
-    C: NewService<Config = (), Request = Connect<Io>, Response = ConnectResult<Io, St, Codec>>,
+    Io: AsyncRead + AsyncWrite + Unpin,
+    C: ServiceFactory<
+        Config = (),
+        Request = Connect<Io>,
+        Response = ConnectResult<Io, St, Codec>,
+    >,
     C::Error: 'static,
     C::Future: 'static,
-    Codec: Decoder + Encoder,
+    Codec: Decoder + Encoder + Unpin,
     <Codec as Encoder>::Item: 'static,
     <Codec as Encoder>::Error: std::fmt::Debug,
 {
@@ -142,15 +151,15 @@ where
     pub fn finish<F, T, Cfg>(
         self,
         service: F,
-    ) -> impl NewService<
+    ) -> impl ServiceFactory<
         Config = Cfg,
         Request = Io,
         Response = (),
         Error = ServiceError<C::Error, Codec>,
     >
     where
-        F: IntoNewService<T>,
-        T: NewService<
+        F: IntoServiceFactory<T>,
+        T: ServiceFactory<
                 Config = St,
                 Request = RequestItem<St, Codec>,
                 Response = ResponseItem<Codec>,
@@ -160,7 +169,7 @@ where
     {
         FramedService {
             connect: self.connect,
-            handler: Rc::new(service.into_new_service()),
+            handler: Rc::new(service.into_factory()),
             disconnect: self.disconnect,
             _t: PhantomData,
         }
@@ -174,21 +183,25 @@ pub(crate) struct FramedService<St, C, T, Io, Codec, Cfg> {
     _t: PhantomData<(St, Io, Codec, Cfg)>,
 }
 
-impl<St, C, T, Io, Codec, Cfg> NewService for FramedService<St, C, T, Io, Codec, Cfg>
+impl<St, C, T, Io, Codec, Cfg> ServiceFactory for FramedService<St, C, T, Io, Codec, Cfg>
 where
     St: 'static,
-    Io: AsyncRead + AsyncWrite,
-    C: NewService<Config = (), Request = Connect<Io>, Response = ConnectResult<Io, St, Codec>>,
+    Io: AsyncRead + AsyncWrite + Unpin,
+    C: ServiceFactory<
+        Config = (),
+        Request = Connect<Io>,
+        Response = ConnectResult<Io, St, Codec>,
+    >,
     C::Error: 'static,
     C::Future: 'static,
-    T: NewService<
+    T: ServiceFactory<
             Config = St,
             Request = RequestItem<St, Codec>,
             Response = ResponseItem<Codec>,
             Error = C::Error,
             InitError = C::Error,
         > + 'static,
-    Codec: Decoder + Encoder,
+    Codec: Decoder + Encoder + Unpin,
     <Codec as Encoder>::Item: 'static,
     <Codec as Encoder>::Error: std::fmt::Debug,
 {
@@ -198,23 +211,24 @@ where
     type Error = ServiceError<C::Error, Codec>;
     type InitError = C::InitError;
     type Service = FramedServiceImpl<St, C::Service, T, Io, Codec>;
-    type Future = Box<dyn Future<Item = Self::Service, Error = Self::InitError>>;
+    type Future = LocalBoxFuture<'static, Result<Self::Service, Self::InitError>>;
 
     fn new_service(&self, _: &Cfg) -> Self::Future {
         let handler = self.handler.clone();
         let disconnect = self.disconnect.clone();
 
         // create connect service and then create service impl
-        Box::new(
         self.connect
             .new_service(&())
-                .map(move |connect| FramedServiceImpl {
+            .map(move |result| {
+                result.map(move |connect| FramedServiceImpl {
                     connect,
                     handler,
                     disconnect,
                     _t: PhantomData,
-                }),
-        )
+                })
+            })
+            .boxed_local()
     }
 }
 
@@ -227,18 +241,18 @@ pub struct FramedServiceImpl<St, C, T, Io, Codec> {
 
 impl<St, C, T, Io, Codec> Service for FramedServiceImpl<St, C, T, Io, Codec>
 where
-    Io: AsyncRead + AsyncWrite,
+    Io: AsyncRead + AsyncWrite + Unpin,
     C: Service<Request = Connect<Io>, Response = ConnectResult<Io, St, Codec>>,
     C::Error: 'static,
-    T: NewService<
+    T: ServiceFactory<
         Config = St,
         Request = RequestItem<St, Codec>,
         Response = ResponseItem<Codec>,
         Error = C::Error,
         InitError = C::Error,
     >,
-    <<T as NewService>::Service as Service>::Future: 'static,
-    Codec: Decoder + Encoder,
+    <<T as ServiceFactory>::Service as Service>::Future: 'static,
+    Codec: Decoder + Encoder + Unpin,
     <Codec as Encoder>::Item: 'static,
     <Codec as Encoder>::Error: std::fmt::Debug,
 {
@@ -247,8 +261,8 @@ where
     type Error = ServiceError<C::Error, Codec>;
     type Future = FramedServiceImplResponse<St, Io, Codec, C, T>;
 
-    fn poll_ready(&mut self) -> Poll<(), Self::Error> {
-        self.connect.poll_ready().map_err(|e| e.into())
+    fn poll_ready(&mut self, cx: &mut Context) -> Poll<Result<(), Self::Error>> {
+        self.connect.poll_ready(cx).map_err(|e| e.into())
     }
 
     fn call(&mut self, req: Io) -> Self::Future {
@@ -256,108 +270,155 @@ where
             inner: FramedServiceImplResponseInner::Connect(
                 self.connect.call(Connect::new(req)),
                 self.handler.clone(),
+                self.disconnect.clone(),
             ),
-            disconnect: self.disconnect.clone(),
         }
     }
 }
 
+#[pin_project]
 pub struct FramedServiceImplResponse<St, Io, Codec, C, T>
 where
     C: Service<Request = Connect<Io>, Response = ConnectResult<Io, St, Codec>>,
     C::Error: 'static,
-    T: NewService<
+    T: ServiceFactory<
         Config = St,
         Request = RequestItem<St, Codec>,
         Response = ResponseItem<Codec>,
         Error = C::Error,
         InitError = C::Error,
     >,
-    <<T as NewService>::Service as Service>::Future: 'static,
-    Io: AsyncRead + AsyncWrite,
-    Codec: Encoder + Decoder,
+    <<T as ServiceFactory>::Service as Service>::Future: 'static,
+    Io: AsyncRead + AsyncWrite + Unpin,
+    Codec: Encoder + Decoder + Unpin,
     <Codec as Encoder>::Item: 'static,
     <Codec as Encoder>::Error: std::fmt::Debug,
 {
     inner: FramedServiceImplResponseInner<St, Io, Codec, C, T>,
-    disconnect: Option<Rc<dyn Fn(&mut St, bool)>>,
-}
-
-enum FramedServiceImplResponseInner<St, Io, Codec, C, T>
-where
-    C: Service<Request = Connect<Io>, Response = ConnectResult<Io, St, Codec>>,
-    C::Error: 'static,
-    T: NewService<
-        Config = St,
-        Request = RequestItem<St, Codec>,
-        Response = ResponseItem<Codec>,
-        Error = C::Error,
-        InitError = C::Error,
-    >,
-    <<T as NewService>::Service as Service>::Future: 'static,
-    Io: AsyncRead + AsyncWrite,
-    Codec: Encoder + Decoder,
-    <Codec as Encoder>::Item: 'static,
-    <Codec as Encoder>::Error: std::fmt::Debug,
-{
-    Connect(C::Future, Rc<T>),
-    Handler(T::Future, Option<ConnectResult<Io, St, Codec>>),
-    Dispatcher(FramedDispatcher<St, T::Service, Io, Codec>),
 }
 
 impl<St, Io, Codec, C, T> Future for FramedServiceImplResponse<St, Io, Codec, C, T>
 where
     C: Service<Request = Connect<Io>, Response = ConnectResult<Io, St, Codec>>,
     C::Error: 'static,
-    T: NewService<
+    T: ServiceFactory<
         Config = St,
         Request = RequestItem<St, Codec>,
         Response = ResponseItem<Codec>,
         Error = C::Error,
         InitError = C::Error,
     >,
-    <<T as NewService>::Service as Service>::Future: 'static,
-    Io: AsyncRead + AsyncWrite,
-    Codec: Encoder + Decoder,
+    <<T as ServiceFactory>::Service as Service>::Future: 'static,
+    Io: AsyncRead + AsyncWrite + Unpin,
+    Codec: Encoder + Decoder + Unpin,
     <Codec as Encoder>::Item: 'static,
     <Codec as Encoder>::Error: std::fmt::Debug,
 {
-    type Item = ();
-    type Error = ServiceError<C::Error, Codec>;
+    type Output = Result<(), ServiceError<C::Error, Codec>>;
 
-    fn poll(&mut self) -> Poll<Self::Item, Self::Error> {
-        match self.inner {
-            FramedServiceImplResponseInner::Connect(ref mut fut, ref handler) => {
-                match fut.poll()? {
-                    Async::Ready(res) => {
-                        self.inner = FramedServiceImplResponseInner::Handler(
+    fn poll(self: Pin<&mut Self>, cx: &mut Context) -> Poll<Self::Output> {
+        let this = self.get_mut();
+
+        loop {
+            match unsafe { Pin::new_unchecked(&mut this.inner) }.poll(cx) {
+                Either::Left(new) => this.inner = new,
+                Either::Right(poll) => return poll,
+            };
+        }
+    }
+}
+
+#[pin_project]
+enum FramedServiceImplResponseInner<St, Io, Codec, C, T>
+where
+    C: Service<Request = Connect<Io>, Response = ConnectResult<Io, St, Codec>>,
+    C::Error: 'static,
+    T: ServiceFactory<
+        Config = St,
+        Request = RequestItem<St, Codec>,
+        Response = ResponseItem<Codec>,
+        Error = C::Error,
+        InitError = C::Error,
+    >,
+    <<T as ServiceFactory>::Service as Service>::Future: 'static,
+    Io: AsyncRead + AsyncWrite + Unpin,
+    Codec: Encoder + Decoder + Unpin,
+    <Codec as Encoder>::Item: 'static,
+    <Codec as Encoder>::Error: std::fmt::Debug,
+{
+    Connect(#[pin] C::Future, Rc<T>, Option<Rc<dyn Fn(&mut St, bool)>>),
+    Handler(
+        #[pin] T::Future,
+        Option<ConnectResult<Io, St, Codec>>,
+        Option<Rc<dyn Fn(&mut St, bool)>>,
+    ),
+    Dispatcher(FramedDispatcher<St, T::Service, Io, Codec>),
+}
+
+impl<St, Io, Codec, C, T> FramedServiceImplResponseInner<St, Io, Codec, C, T>
+where
+    C: Service<Request = Connect<Io>, Response = ConnectResult<Io, St, Codec>>,
+    C::Error: 'static,
+    T: ServiceFactory<
+        Config = St,
+        Request = RequestItem<St, Codec>,
+        Response = ResponseItem<Codec>,
+        Error = C::Error,
+        InitError = C::Error,
+    >,
+    <<T as ServiceFactory>::Service as Service>::Future: 'static,
+    Io: AsyncRead + AsyncWrite + Unpin,
+    Codec: Encoder + Decoder + Unpin,
+    <Codec as Encoder>::Item: 'static,
+    <Codec as Encoder>::Error: std::fmt::Debug,
+{
+    #[project]
+    fn poll(
+        self: Pin<&mut Self>,
+        cx: &mut Context,
+    ) -> Either<
+        FramedServiceImplResponseInner<St, Io, Codec, C, T>,
+        Poll<Result<(), ServiceError<C::Error, Codec>>>,
+    > {
+        #[project]
+        match self.project() {
+            FramedServiceImplResponseInner::Connect(
+                ref mut fut,
+                ref handler,
+                ref mut disconnect,
+            ) => match Pin::new(fut).poll(cx) {
+                Poll::Ready(Ok(res)) => Either::Left(FramedServiceImplResponseInner::Handler(
                     handler.new_service(&res.state),
                     Some(res),
-                        );
-                        self.poll()
-                    }
-                    Async::NotReady => Ok(Async::NotReady),
-                }
-            }
-            FramedServiceImplResponseInner::Handler(ref mut fut, ref mut res) => {
-                match fut.poll()? {
-                    Async::Ready(handler) => {
+                    disconnect.take(),
+                )),
+                Poll::Pending => Either::Right(Poll::Pending),
+                Poll::Ready(Err(e)) => Either::Right(Poll::Ready(Err(e.into()))),
+            },
+            FramedServiceImplResponseInner::Handler(
+                ref mut fut,
+                ref mut res,
+                ref mut disconnect,
+            ) => match Pin::new(fut).poll(cx) {
+                Poll::Ready(Ok(handler)) => {
                     let res = res.take().unwrap();
-                        self.inner =
-                            FramedServiceImplResponseInner::Dispatcher(FramedDispatcher::new(
+                    Either::Left(FramedServiceImplResponseInner::Dispatcher(
+                        FramedDispatcher::new(
                             res.framed,
                             State::new(res.state),
                             handler,
                             res.rx,
                             res.sink,
-                                self.disconnect.clone(),
-                            ));
-                        self.poll()
+                            disconnect.take(),
+                        ),
+                    ))
                 }
-                    Async::NotReady => Ok(Async::NotReady),
+                Poll::Pending => Either::Right(Poll::Pending),
+                Poll::Ready(Err(e)) => Either::Right(Poll::Ready(Err(e.into()))),
+            },
+            FramedServiceImplResponseInner::Dispatcher(ref mut fut) => {
+                Either::Right(Pin::new(fut).poll(cx))
             }
         }
-            FramedServiceImplResponseInner::Dispatcher(ref mut fut) => fut.poll(),
-        }
     }
 }

actix-ioframe/src/sink.rs

@@ -1,11 +1,11 @@
 use std::fmt;
 
-use futures::unsync::{mpsc, oneshot};
-use futures::Future;
+use actix_utils::{mpsc, oneshot};
+use futures::future::{Future, FutureExt};
 
 use crate::dispatcher::FramedMessage;
 
-pub struct Sink<T>(mpsc::UnboundedSender<FramedMessage<T>>);
+pub struct Sink<T>(mpsc::Sender<FramedMessage<T>>);
 
 impl<T> Clone for Sink<T> {
     fn clone(&self) -> Self {
@@ -14,26 +14,26 @@ impl<T> Clone for Sink<T> {
 }
 
 impl<T> Sink<T> {
-    pub(crate) fn new(tx: mpsc::UnboundedSender<FramedMessage<T>>) -> Self {
+    pub(crate) fn new(tx: mpsc::Sender<FramedMessage<T>>) -> Self {
         Sink(tx)
     }
 
     /// Close connection
     pub fn close(&self) {
-        let _ = self.0.unbounded_send(FramedMessage::Close);
+        let _ = self.0.send(FramedMessage::Close);
     }
 
     /// Close connection
-    pub fn wait_close(&self) -> impl Future<Item = (), Error = ()> {
+    pub fn wait_close(&self) -> impl Future<Output = ()> {
         let (tx, rx) = oneshot::channel();
-        let _ = self.0.unbounded_send(FramedMessage::WaitClose(tx));
+        let _ = self.0.send(FramedMessage::WaitClose(tx));
 
-        rx.map_err(|_| ())
+        rx.map(|_| ())
     }
 
     /// Send item
     pub fn send(&self, item: T) {
-        let _ = self.0.unbounded_send(FramedMessage::Message(item));
+        let _ = self.0.send(FramedMessage::Message(item));
     }
 }
 

actix-ioframe/tests/test_server.rs

@@ -4,11 +4,11 @@ use std::time::Duration;
 
 use actix_codec::BytesCodec;
 use actix_server_config::Io;
-use actix_service::{new_apply_fn, Service};
+use actix_service::{apply_fn_factory, service_fn, Service};
 use actix_testing::{self as test, TestServer};
-use futures::Future;
-use tokio_tcp::TcpStream;
-use tokio_timer::sleep;
+use futures::future::ok;
+use tokio_net::tcp::TcpStream;
+use tokio_timer::delay_for;
 
 use actix_ioframe::{Builder, Connect};
 
@@ -22,13 +22,15 @@ fn test_disconnect() -> std::io::Result<()> {
     let srv = TestServer::with(move || {
         let disconnect1 = disconnect1.clone();
 
-        new_apply_fn(
+        apply_fn_factory(
             Builder::new()
-                .factory(|conn: Connect<_>| Ok(conn.codec(BytesCodec).state(State)))
+                .factory(service_fn(|conn: Connect<_>| {
+                    ok(conn.codec(BytesCodec).state(State))
+                }))
                 .disconnect(move |_, _| {
                     disconnect1.store(true, Ordering::Relaxed);
                 })
-                .finish(|_t| Ok(None)),
+                .finish(service_fn(|_t| ok(None))),
             |io: Io<TcpStream>, srv| srv.call(io.into_parts().0),
         )
     });
@@ -37,9 +39,9 @@ fn test_disconnect() -> std::io::Result<()> {
         .service(|conn: Connect<_>| {
             let conn = conn.codec(BytesCodec).state(State);
             conn.sink().close();
-            Ok(conn)
+            ok(conn)
         })
-        .finish(|_t| Ok(None));
+        .finish(service_fn(|_t| ok(None)));
 
     let conn = test::block_on(
         actix_connect::default_connector()
@@ -48,11 +50,7 @@ fn test_disconnect() -> std::io::Result<()> {
     .unwrap();
 
     test::block_on(client.call(conn.into_parts().0)).unwrap();
-    let _ = test::block_on(
-        sleep(Duration::from_millis(100))
-            .map(|_| ())
-            .map_err(|_| ()),
-    );
+    let _ = test::block_on(delay_for(Duration::from_millis(100)));
     assert!(disconnect.load(Ordering::Relaxed));
 
     Ok(())

actix-rt/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "actix-rt"
-version = "0.2.6"
+version = "1.0.0-alpha.1"
 authors = ["Nikolay Kim <fafhrd91@gmail.com>"]
 description = "Actix runtime"
 keywords = ["network", "framework", "async", "futures"]
@@ -18,10 +18,13 @@ name = "actix_rt"
 path = "src/lib.rs"
 
 [dependencies]
-actix-threadpool = "0.1.1"
-futures = "0.1.25"
-tokio-current-thread = "0.1"
-tokio-executor = "0.1.5"
-tokio-reactor = "0.1.7"
-tokio-timer = "0.2.8"
+actix-threadpool = "0.2"
+futures = "0.3.1"
+
+# TODO: Replace this with dependency on tokio-runtime once it is ready
+tokio = { version = "0.2.0-alpha.6" }
+tokio-timer = "=0.3.0-alpha.6"
+tokio-executor = "=0.2.0-alpha.6"
+tokio-net = "=0.2.0-alpha.6"
+
 copyless = "0.1.4"

actix-rt/src/arbiter.rs

@@ -1,13 +1,15 @@
 use std::any::{Any, TypeId};
 use std::cell::{Cell, RefCell};
 use std::collections::HashMap;
+use std::pin::Pin;
 use std::sync::atomic::{AtomicUsize, Ordering};
+use std::task::{Context, Poll};
 use std::{fmt, thread};
 
-use futures::sync::mpsc::{unbounded, UnboundedReceiver, UnboundedSender};
-use futures::sync::oneshot::{channel, Canceled, Sender};
-use futures::{future, Async, Future, IntoFuture, Poll, Stream};
-use tokio_current_thread::spawn;
+use futures::channel::mpsc::{unbounded, UnboundedReceiver, UnboundedSender};
+use futures::channel::oneshot::{channel, Canceled, Sender};
+use futures::{future, Future, FutureExt, Stream};
+use tokio::runtime::current_thread::spawn;
 
 use crate::builder::Builder;
 use crate::system::System;
@@ -17,7 +19,7 @@ use copyless::BoxHelper;
 thread_local!(
     static ADDR: RefCell<Option<Arbiter>> = RefCell::new(None);
     static RUNNING: Cell<bool> = Cell::new(false);
-    static Q: RefCell<Vec<Box<dyn Future<Item = (), Error = ()>>>> = RefCell::new(Vec::new());
+    static Q: RefCell<Vec<Box<dyn Future<Output = ()>>>> = RefCell::new(Vec::new());
     static STORAGE: RefCell<HashMap<TypeId, Box<dyn Any>>> = RefCell::new(HashMap::new());
 );
 
@@ -25,7 +27,7 @@ pub(crate) static COUNT: AtomicUsize = AtomicUsize::new(0);
 
 pub(crate) enum ArbiterCommand {
     Stop,
-    Execute(Box<dyn Future<Item = (), Error = ()> + Send>),
+    Execute(Box<dyn Future<Output = ()> + Unpin + Send>),
     ExecuteFn(Box<dyn FnExec>),
 }
 
@@ -96,7 +98,9 @@ impl Arbiter {
         let (arb_tx, arb_rx) = unbounded();
         let arb_tx2 = arb_tx.clone();
 
-        let handle = thread::Builder::new().name(name.clone()).spawn(move || {
+        let handle = thread::Builder::new()
+            .name(name.clone())
+            .spawn(move || {
                 let mut rt = Builder::new().build_rt().expect("Can not create Runtime");
                 let arb = Arbiter::with_sender(arb_tx);
 
@@ -128,9 +132,15 @@ impl Arbiter {
                 let _ = System::current()
                     .sys()
                     .unbounded_send(SystemCommand::UnregisterArbiter(id));
-        }).unwrap_or_else(|err| panic!("Cannot spawn an arbiter's thread {:?}: {:?}", &name, err));
+            })
+            .unwrap_or_else(|err| {
+                panic!("Cannot spawn an arbiter's thread {:?}: {:?}", &name, err)
+            });
 
-        Arbiter{sender: arb_tx2, thread_handle: Some(handle)}
+        Arbiter {
+            sender: arb_tx2,
+            thread_handle: Some(handle),
+        }
     }
 
     pub(crate) fn run_system() {
@@ -138,7 +148,9 @@ impl Arbiter {
         Q.with(|cell| {
             let mut v = cell.borrow_mut();
             for fut in v.drain(..) {
-                spawn(fut);
+                // We pin the boxed future, so it can never again be moved.
+                let fut = unsafe { Pin::new_unchecked(fut) };
+                tokio_executor::current_thread::spawn(fut);
             }
         });
     }
@@ -152,12 +164,15 @@ impl Arbiter {
     /// thread.
     pub fn spawn<F>(future: F)
     where
-        F: Future<Item = (), Error = ()> + 'static,
+        F: Future<Output = ()> + 'static,
     {
         RUNNING.with(move |cell| {
             if cell.get() {
-                spawn(Box::alloc().init(future));
+                // Spawn the future on running executor
+                spawn(future);
             } else {
+                // Box the future and push it to the queue, this results in double boxing
+                // because the executor boxes the future again, but works for now
                 Q.with(move |cell| cell.borrow_mut().push(Box::alloc().init(future)));
             }
         });
@@ -169,15 +184,15 @@ impl Arbiter {
     pub fn spawn_fn<F, R>(f: F)
     where
         F: FnOnce() -> R + 'static,
-        R: IntoFuture<Item = (), Error = ()> + 'static,
+        R: Future<Output = ()> + 'static,
     {
-        Arbiter::spawn(future::lazy(f))
+        Arbiter::spawn(future::lazy(|_| f()).flatten())
     }
 
     /// Send a future to the Arbiter's thread, and spawn it.
     pub fn send<F>(&self, future: F)
     where
-        F: Future<Item = (), Error = ()> + Send + 'static,
+        F: Future<Output = ()> + Send + Unpin + 'static,
     {
         let _ = self
             .sender
@@ -200,7 +215,7 @@ impl Arbiter {
     /// Send a function to the Arbiter's thread. This function will be executed asynchronously.
     /// A future is created, and when resolved will contain the result of the function sent
     /// to the Arbiters thread.
-    pub fn exec<F, R>(&self, f: F) -> impl Future<Item = R, Error = Canceled>
+    pub fn exec<F, R>(&self, f: F) -> impl Future<Output = Result<R, Canceled>>
     where
         F: FnOnce() -> R + Send + 'static,
         R: Send + 'static,
@@ -261,15 +276,17 @@ impl Arbiter {
     }
 
     fn with_sender(sender: UnboundedSender<ArbiterCommand>) -> Self {
-        Self{sender, thread_handle: None}
+        Self {
+            sender,
+            thread_handle: None,
+        }
     }
 
     /// Wait for the event loop to stop by joining the underlying thread (if have Some).
-    pub fn join(&mut self) -> thread::Result<()>{
+    pub fn join(&mut self) -> thread::Result<()> {
         if let Some(thread_handle) = self.thread_handle.take() {
             thread_handle.join()
-        }
-        else {
+        } else {
             Ok(())
         }
     }
@@ -294,19 +311,18 @@ impl Drop for ArbiterController {
 }
 
 impl Future for ArbiterController {
-    type Item = ();
-    type Error = ();
+    type Output = ();
 
-    fn poll(&mut self) -> Poll<Self::Item, Self::Error> {
+    fn poll(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
         loop {
-            match self.rx.poll() {
-                Ok(Async::Ready(None)) | Err(_) => return Ok(Async::Ready(())),
-                Ok(Async::Ready(Some(item))) => match item {
+            match Pin::new(&mut self.rx).poll_next(cx) {
+                Poll::Ready(None) => return Poll::Ready(()),
+                Poll::Ready(Some(item)) => match item {
                     ArbiterCommand::Stop => {
                         if let Some(stop) = self.stop.take() {
                             let _ = stop.send(0);
                         };
-                        return Ok(Async::Ready(()));
+                        return Poll::Ready(());
                     }
                     ArbiterCommand::Execute(fut) => {
                         spawn(fut);
@@ -315,7 +331,7 @@ impl Future for ArbiterController {
                         f.call_box();
                     }
                 },
-                Ok(Async::NotReady) => return Ok(Async::NotReady),
+                Poll::Pending => return Poll::Pending,
             }
         }
     }
@@ -346,14 +362,13 @@ impl SystemArbiter {
 }
 
 impl Future for SystemArbiter {
-    type Item = ();
-    type Error = ();
+    type Output = ();
 
-    fn poll(&mut self) -> Poll<Self::Item, Self::Error> {
+    fn poll(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
         loop {
-            match self.commands.poll() {
-                Ok(Async::Ready(None)) | Err(_) => return Ok(Async::Ready(())),
-                Ok(Async::Ready(Some(cmd))) => match cmd {
+            match Pin::new(&mut self.commands).poll_next(cx) {
+                Poll::Ready(None) => return Poll::Ready(()),
+                Poll::Ready(Some(cmd)) => match cmd {
                     SystemCommand::Exit(code) => {
                         // stop arbiters
                         for arb in self.arbiters.values() {
@@ -371,7 +386,7 @@ impl Future for SystemArbiter {
                         self.arbiters.remove(&name);
                     }
                 },
-                Ok(Async::NotReady) => return Ok(Async::NotReady),
+                Poll::Pending => return Poll::Pending,
             }
         }
     }

actix-rt/src/builder.rs

@@ -1,19 +1,19 @@
 use std::borrow::Cow;
 use std::io;
 
-use futures::future;
+use futures::channel::mpsc::unbounded;
+use futures::channel::oneshot::{channel, Receiver};
 use futures::future::{lazy, Future};
-use futures::sync::mpsc::unbounded;
-use futures::sync::oneshot::{channel, Receiver};
+use futures::{future, FutureExt};
 
-use tokio_current_thread::{CurrentThread, Handle};
-use tokio_reactor::Reactor;
-use tokio_timer::clock::Clock;
-use tokio_timer::timer::Timer;
+use tokio::runtime::current_thread::Handle;
+use tokio_net::driver::Reactor;
+use tokio_timer::{clock::Clock, timer::Timer};
 
 use crate::arbiter::{Arbiter, SystemArbiter};
 use crate::runtime::Runtime;
 use crate::system::System;
+use tokio_executor::current_thread::CurrentThread;
 
 /// Builder struct for a actix runtime.
 ///
@@ -118,7 +118,7 @@ impl Builder {
         rt.spawn(arb);
 
         // init system arbiter and run configuration method
-        let _ = rt.block_on(lazy(move || {
+        let _ = rt.block_on(lazy(move |_| {
             f();
             Ok::<_, ()>(())
         }));
@@ -159,13 +159,14 @@ pub(crate) struct AsyncSystemRunner {
 impl AsyncSystemRunner {
     /// This function will start event loop and returns a future that
     /// resolves once the `System::stop()` function is called.
-    pub(crate) fn run_nonblocking(self) -> impl Future<Item = (), Error = io::Error> + Send {
+    pub(crate) fn run_nonblocking(self) -> impl Future<Output = Result<(), io::Error>> + Send {
         let AsyncSystemRunner { stop, .. } = self;
 
         // run loop
-        future::lazy(|| {
+        future::lazy(|_| {
             Arbiter::run_system();
-            stop.then(|res| match res {
+            async {
+                let res = match stop.await {
                     Ok(code) => {
                         if code != 0 {
                             Err(io::Error::new(
@@ -177,12 +178,12 @@ impl AsyncSystemRunner {
                         }
                     }
                     Err(e) => Err(io::Error::new(io::ErrorKind::Other, e)),
-            })
-            .then(|result| {
+                };
                 Arbiter::stop_system();
-                result
-            })
+                return res;
+            }
         })
+        .flatten()
     }
 }
 
@@ -202,10 +203,10 @@ impl SystemRunner {
         let SystemRunner { mut rt, stop, .. } = self;
 
         // run loop
-        let _ = rt.block_on(lazy(move || {
+        let _ = rt.block_on(async {
             Arbiter::run_system();
             Ok::<_, ()>(())
-        }));
+        });
         let result = match rt.block_on(stop) {
             Ok(code) => {
                 if code != 0 {
@@ -224,19 +225,19 @@ impl SystemRunner {
     }
 
     /// Execute a future and wait for result.
-    pub fn block_on<F, I, E>(&mut self, fut: F) -> Result<I, E>
+    pub fn block_on<F, O>(&mut self, fut: F) -> O
     where
-        F: Future<Item = I, Error = E>,
+        F: Future<Output = O>,
     {
-        let _ = self.rt.block_on(lazy(move || {
+        let _ = self.rt.block_on(async {
             Arbiter::run_system();
-            Ok::<_, ()>(())
-        }));
+        });
+
         let res = self.rt.block_on(fut);
-        let _ = self.rt.block_on(lazy(move || {
+        let _ = self.rt.block_on(async {
             Arbiter::stop_system();
-            Ok::<_, ()>(())
-        }));
+        });
+
         res
     }
 }

actix-rt/src/lib.rs

@@ -20,7 +20,7 @@ pub use actix_threadpool as blocking;
 /// This function panics if actix system is not running.
 pub fn spawn<F>(f: F)
 where
-    F: futures::Future<Item = (), Error = ()> + 'static,
+    F: futures::Future<Output = ()> + 'static,
 {
     if !System::is_set() {
         panic!("System is not running");

actix-rt/src/runtime.rs

@@ -2,11 +2,12 @@ use std::error::Error;
 use std::{fmt, io};
 
 use futures::Future;
-use tokio_current_thread::{self as current_thread, CurrentThread};
-use tokio_executor;
-use tokio_reactor::{self, Reactor};
-use tokio_timer::clock::{self, Clock};
-use tokio_timer::timer::{self, Timer};
+use tokio_executor::current_thread::{self, CurrentThread};
+use tokio_net::driver::{Handle as ReactorHandle, Reactor};
+use tokio_timer::{
+    clock::Clock,
+    timer::{self, Timer},
+};
 
 use crate::builder::Builder;
 
@@ -18,7 +19,7 @@ use crate::builder::Builder;
 /// [mod]: index.html
 #[derive(Debug)]
 pub struct Runtime {
-    reactor_handle: tokio_reactor::Handle,
+    reactor_handle: ReactorHandle,
     timer_handle: timer::Handle,
     clock: Clock,
     executor: CurrentThread<Timer<Reactor>>,
@@ -53,7 +54,7 @@ impl Runtime {
     }
 
     pub(super) fn new2(
-        reactor_handle: tokio_reactor::Handle,
+        reactor_handle: ReactorHandle,
         timer_handle: timer::Handle,
         clock: Clock,
         executor: CurrentThread<Timer<Reactor>>,
@@ -83,9 +84,8 @@ impl Runtime {
     /// let mut rt = Runtime::new().unwrap();
     ///
     /// // Spawn a future onto the runtime
-    /// rt.spawn(future::lazy(|| {
+    /// rt.spawn(future::lazy(|_| {
     ///     println!("running on the runtime");
-    ///     Ok(())
     /// }));
     /// # }
     /// # pub fn main() {}
@@ -97,7 +97,7 @@ impl Runtime {
     /// is currently at capacity and is unable to spawn a new future.
     pub fn spawn<F>(&mut self, future: F) -> &mut Self
     where
-        F: Future<Item = (), Error = ()> + 'static,
+        F: Future<Output = ()> + 'static,
     {
         self.executor.spawn(future);
         self
@@ -119,14 +119,14 @@ impl Runtime {
     ///
     /// The caller is responsible for ensuring that other spawned futures
     /// complete execution by calling `block_on` or `run`.
-    pub fn block_on<F>(&mut self, f: F) -> Result<F::Item, F::Error>
+    pub fn block_on<F>(&mut self, f: F) -> F::Output
     where
         F: Future,
     {
         self.enter(|executor| {
             // Run the provided future
             let ret = executor.block_on(f);
-            ret.map_err(|e| e.into_inner().expect("unexpected execution error"))
+            ret
         })
     }
 
@@ -139,7 +139,7 @@ impl Runtime {
 
     fn enter<F, R>(&mut self, f: F) -> R
     where
-        F: FnOnce(&mut current_thread::Entered<Timer<Reactor>>) -> R,
+        F: FnOnce(&mut CurrentThread<Timer<Reactor>>) -> R,
     {
         let Runtime {
             ref reactor_handle,
@@ -149,25 +149,13 @@ impl Runtime {
             ..
         } = *self;
 
-        // Binds an executor to this thread
-        let mut enter = tokio_executor::enter().expect("Multiple executors at once");
-
-        // This will set the default handle and timer to use inside the closure
-        // and run the future.
-        tokio_reactor::with_default(&reactor_handle, &mut enter, |enter| {
-            clock::with_default(clock, enter, |enter| {
-                timer::with_default(&timer_handle, enter, |enter| {
-                    // The TaskExecutor is a fake executor that looks into the
-                    // current single-threaded executor when used. This is a trick,
-                    // because we need two mutable references to the executor (one
-                    // to run the provided future, another to install as the default
-                    // one). We use the fake one here as the default one.
-                    let mut default_executor = current_thread::TaskExecutor::current();
-                    tokio_executor::with_default(&mut default_executor, enter, |enter| {
-                        let mut executor = executor.enter(enter);
-                        f(&mut executor)
-                    })
-                })
+        // WARN: We do not enter the executor here, since in tokio 0.2 the executor is entered
+        // automatically inside its `block_on` and `run` methods
+        tokio_executor::with_default(&mut current_thread::TaskExecutor::current(), || {
+            tokio_timer::clock::with_default(clock, || {
+                let _reactor_guard = tokio_net::driver::set_default(reactor_handle);
+                let _timer_guard = tokio_timer::set_default(timer_handle);
+                f(executor)
             })
         })
     }

actix-rt/src/system.rs

@@ -2,9 +2,9 @@ use std::cell::RefCell;
 use std::io;
 use std::sync::atomic::{AtomicUsize, Ordering};
 
-use futures::sync::mpsc::UnboundedSender;
+use futures::channel::mpsc::UnboundedSender;
 use futures::Future;
-use tokio_current_thread::Handle;
+use tokio::runtime::current_thread::Handle;
 
 use crate::arbiter::{Arbiter, SystemCommand};
 use crate::builder::{Builder, SystemRunner};
@@ -64,7 +64,7 @@ impl System {
     pub fn run_in_executor<T: Into<String>>(
         name: T,
         executor: Handle,
-    ) -> impl Future<Item = (), Error = io::Error> + Send {
+    ) -> impl Future<Output = Result<(), io::Error>> + Send {
         Self::builder()
             .name(name)
             .build_async(executor)

actix-server-config/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "actix-server-config"
-version = "0.2.0"
+version = "0.3.0-alpha.1"
 authors = ["Nikolay Kim <fafhrd91@gmail.com>"]
 description = "Actix server config utils"
 homepage = "https://actix.rs"
@@ -14,25 +14,14 @@ name = "actix_server_config"
 path = "src/lib.rs"
 
 [package.metadata.docs.rs]
-features = ["ssl", "rust-tls", "uds"]
+features = ["openssl", "rustls"]
 
 [features]
 default = []
-
-# openssl
-ssl = ["tokio-openssl"]
-
-# rustls
-rust-tls = ["rustls", "tokio-rustls"]
-
-# unix domain sockets
-uds = ["tokio-uds"]
+openssl = ["tokio-openssl"]
+rustls = ["tokio-rustls"]
 
 [dependencies]
-futures = "0.1.25"
-tokio-io = "0.1.12"
-tokio-tcp = "0.1"
-tokio-openssl = { version="0.3.0", optional = true }
-rustls = { version = "0.16.0", optional = true }
-tokio-rustls = { version = "0.10.0", optional = true }
-tokio-uds = { version="0.2.5", optional = true }
+tokio = "0.2.0-alpha.6"
+tokio-openssl = { version = "0.4.0-alpha.6", optional = true }
+tokio-rustls = { version = "0.12.0-alpha.8", optional = true }

actix-server-config/src/lib.rs

@@ -1,10 +1,12 @@
+//! Actix server config utils.
+
 use std::cell::Cell;
 use std::net::SocketAddr;
 use std::rc::Rc;
-use std::{fmt, io, net, time};
+use std::{fmt, io, net, ops, time};
 
-use tokio_io::{AsyncRead, AsyncWrite};
-use tokio_tcp::TcpStream;
+use tokio::io::{AsyncRead, AsyncWrite};
+use tokio::net::TcpStream;
 
 #[derive(Debug, Clone)]
 pub struct ServerConfig {
@@ -13,6 +15,7 @@ pub struct ServerConfig {
 }
 
 impl ServerConfig {
+    #[inline]
     pub fn new(addr: SocketAddr) -> Self {
         ServerConfig {
             addr,
@@ -21,16 +24,19 @@ impl ServerConfig {
     }
 
     /// Returns the address of the local half of this TCP server socket
+    #[inline]
     pub fn local_addr(&self) -> SocketAddr {
         self.addr
     }
 
     /// Returns true if connection is secure (tls enabled)
+    #[inline]
     pub fn secure(&self) -> bool {
         self.secure.as_ref().get()
     }
 
     /// Set secure flag
+    #[inline]
     pub fn set_secure(&self) {
         self.secure.as_ref().set(true)
     }
@@ -114,7 +120,7 @@ impl<T, P> Io<T, P> {
     }
 }
 
-impl<T, P> std::ops::Deref for Io<T, P> {
+impl<T, P> ops::Deref for Io<T, P> {
     type Target = T;
 
     fn deref(&self) -> &T {
@@ -122,14 +128,14 @@ impl<T, P> std::ops::Deref for Io<T, P> {
     }
 }
 
-impl<T, P> std::ops::DerefMut for Io<T, P> {
+impl<T, P> ops::DerefMut for Io<T, P> {
     fn deref_mut(&mut self) -> &mut T {
         &mut self.io
     }
 }
 
 impl<T: fmt::Debug, P> fmt::Debug for Io<T, P> {
-    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         write!(f, "Io {{{:?}}}", self.io)
     }
 }
@@ -171,31 +177,31 @@ impl IoStream for TcpStream {
     }
 }
 
-#[cfg(any(feature = "ssl"))]
-impl<T: IoStream> IoStream for tokio_openssl::SslStream<T> {
+#[cfg(feature = "openssl")]
+impl<T: IoStream + Unpin> IoStream for tokio_openssl::SslStream<T> {
     #[inline]
     fn peer_addr(&self) -> Option<net::SocketAddr> {
-        self.get_ref().get_ref().peer_addr()
+        self.get_ref().peer_addr()
     }
 
     #[inline]
     fn set_nodelay(&mut self, nodelay: bool) -> io::Result<()> {
-        self.get_mut().get_mut().set_nodelay(nodelay)
+        self.get_mut().set_nodelay(nodelay)
     }
 
     #[inline]
     fn set_linger(&mut self, dur: Option<time::Duration>) -> io::Result<()> {
-        self.get_mut().get_mut().set_linger(dur)
+        self.get_mut().set_linger(dur)
     }
 
     #[inline]
     fn set_keepalive(&mut self, dur: Option<time::Duration>) -> io::Result<()> {
-        self.get_mut().get_mut().set_keepalive(dur)
+        self.get_mut().set_keepalive(dur)
     }
 }
 
-#[cfg(any(feature = "rust-tls"))]
-impl<T: IoStream> IoStream for tokio_rustls::server::TlsStream<T> {
+#[cfg(feature = "rustls")]
+impl<T: IoStream + Unpin> IoStream for tokio_rustls::server::TlsStream<T> {
     #[inline]
     fn peer_addr(&self) -> Option<net::SocketAddr> {
         self.get_ref().0.peer_addr()
@@ -217,8 +223,8 @@ impl<T: IoStream> IoStream for tokio_rustls::server::TlsStream<T> {
     }
 }
 
-#[cfg(all(unix, feature = "uds"))]
-impl IoStream for tokio_uds::UnixStream {
+#[cfg(unix)]
+impl IoStream for tokio::net::UnixStream {
     #[inline]
     fn peer_addr(&self) -> Option<net::SocketAddr> {
         None

actix-server/CHANGES.md

@@ -7,6 +7,7 @@
 * Update `rustls` to 0.16
 * Minimum required Rust version upped to 1.37.0
 
+
 ## [0.6.1] - 2019-09-25
 
 ### Added

actix-server/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "actix-server"
-version = "0.7.0"
+version = "0.8.0-alpha.1"
 authors = ["Nikolay Kim <fafhrd91@gmail.com>"]
 description = "Actix server - General purpose tcp server"
 keywords = ["network", "framework", "async", "futures"]
@@ -14,7 +14,7 @@ edition = "2018"
 workspace = ".."
 
 [package.metadata.docs.rs]
-features = ["ssl", "tls", "rust-tls", "uds"]
+features = ["nativetls", "openssl", "rustls", "uds"]
 
 [lib]
 name = "actix_server"
@@ -22,55 +22,47 @@ path = "src/lib.rs"
 
 [features]
 default = []
-
-# tls
-tls = ["native-tls"]
-
-# openssl
-ssl = ["openssl", "tokio-openssl", "actix-server-config/ssl"]
-
-# rustls
-rust-tls = ["rustls", "tokio-rustls", "webpki", "webpki-roots", "actix-server-config/rust-tls"]
-
-# uds
-uds = ["mio-uds", "tokio-uds", "actix-server-config/uds"]
+nativetls = ["native-tls", "tokio-tls"]
+openssl = ["open-ssl", "tokio-openssl", "actix-server-config/openssl"]
+rustls = ["rust-tls", "tokio-rustls", "webpki", "webpki-roots", "actix-server-config/rustls"]
 
 [dependencies]
-actix-rt = "0.2.2"
-actix-service = "0.4.1"
-actix-server-config = "0.2.0"
+actix-rt = "1.0.0-alpha.1"
+actix-service = "1.0.0-alpha.1"
+actix-server-config = "0.3.0-alpha.1"
 
 log = "0.4"
 num_cpus = "1.0"
-
+pin-project = "0.4.5"
 mio = "0.6.19"
 net2 = "0.2"
-futures = "0.1"
+futures = "0.3.1"
 slab = "0.4"
-tokio-io = "0.1"
-tokio-tcp = "0.1"
-tokio-timer = "0.2.8"
-tokio-reactor = "0.1"
-tokio-signal = "0.2"
+
+tokio = "0.2.0-alpha.6"
+tokio-io = "0.2.0-alpha.6"
+tokio-net = { version = "0.2.0-alpha.6", features = ["signal"] }
+tokio-timer = "0.3.0-alpha.6"
 
 # unix domain sockets
-mio-uds = { version="0.6.7", optional = true }
-tokio-uds = { version="0.2.5", optional = true }
+mio-uds = { version = "0.6.7", optional = true }
 
-# native-tls
-native-tls = { version="0.2", optional = true }
+# nativetls
+native-tls = { version = "0.2", optional = true }
+tokio-tls = { version = "0.3.0-alpha.6", optional = true }
 
 # openssl
-openssl = { version="0.10", optional = true }
-tokio-openssl = { version="0.3", optional = true }
+open-ssl = { version = "0.10", package = "openssl", optional = true }
+tokio-openssl = { version = "0.4.0-alpha.6", optional = true }
 
 # rustls
-rustls = { version = "0.16.0", optional = true }
-tokio-rustls = { version = "0.10.0", optional = true }
+rust-tls = { version = "0.16.0", package = "rustls", optional = true }
+# tokio-rustls = { version = "0.12.0-alpha.2", optional = true }
+tokio-rustls = { git = "https://github.com/quininer/tokio-rustls.git", branch = "tokio-0.2", optional = true }
 webpki = { version = "0.21", optional = true }
 webpki-roots = { version = "0.17", optional = true }
 
 [dev-dependencies]
 bytes = "0.4"
-actix-codec = "0.1.2"
+actix-codec = "0.2.0-alpha.1"
 env_logger = "0.6"

actix-server/src/accept.rs

@@ -3,10 +3,10 @@ use std::time::{Duration, Instant};
 use std::{io, thread};
 
 use actix_rt::System;
-use futures::future::{lazy, Future};
+use futures::FutureExt;
 use log::{error, info};
 use slab::Slab;
-use tokio_timer::Delay;
+use tokio_timer::delay;
 
 use crate::server::Server;
 use crate::socket::{SocketAddr, SocketListener, StdListener};
@@ -370,7 +370,7 @@ impl Accept {
                 match self.workers[self.next].send(msg) {
                     Ok(_) => (),
                     Err(tmp) => {
-                        self.srv.worker_died(self.workers[self.next].idx);
+                        self.srv.worker_faulted(self.workers[self.next].idx);
                         msg = tmp;
                         self.workers.swap_remove(self.next);
                         if self.workers.is_empty() {
@@ -396,7 +396,7 @@ impl Accept {
                             return;
                         }
                         Err(tmp) => {
-                            self.srv.worker_died(self.workers[self.next].idx);
+                            self.srv.worker_faulted(self.workers[self.next].idx);
                             msg = tmp;
                             self.workers.swap_remove(self.next);
                             if self.workers.is_empty() {
@@ -440,14 +440,13 @@ impl Accept {
                         info.timeout = Some(Instant::now() + Duration::from_millis(500));
 
                         let r = self.timer.1.clone();
-                        System::current().arbiter().send(lazy(move || {
-                            Delay::new(Instant::now() + Duration::from_millis(510))
-                                .map_err(|_| ())
-                                .and_then(move |_| {
+                        System::current().arbiter().send(
+                            async move {
+                                delay(Instant::now() + Duration::from_millis(510)).await;
                                 let _ = r.set_readiness(mio::Ready::readable());
-                                    Ok(())
-                                })
-                        }));
+                            }
+                                .boxed(),
+                        );
                         return;
                     }
                 }

actix-server/src/builder.rs

@@ -1,22 +1,24 @@
-use std::time::Duration;
+use std::pin::Pin;
+use std::task::{Context, Poll};
+use std::time::{Duration, Instant};
 use std::{io, mem, net};
 
 use actix_rt::{spawn, Arbiter, System};
-use futures::future::{lazy, ok};
-use futures::stream::futures_unordered;
-use futures::sync::mpsc::{unbounded, UnboundedReceiver};
-use futures::{Async, Future, Poll, Stream};
+use futures::channel::mpsc::{unbounded, UnboundedReceiver};
+use futures::future::ready;
+use futures::stream::FuturesUnordered;
+use futures::{ready, Future, FutureExt, Stream, StreamExt};
 use log::{error, info};
 use net2::TcpBuilder;
 use num_cpus;
-use tokio_tcp::TcpStream;
-use tokio_timer::sleep;
+use tokio_net::tcp::TcpStream;
+use tokio_timer::delay;
 
 use crate::accept::{AcceptLoop, AcceptNotify, Command};
 use crate::config::{ConfiguredService, ServiceConfig};
 use crate::server::{Server, ServerCommand};
-use crate::services::{InternalServiceFactory, ServiceFactory, StreamNewService};
-use crate::signals::{Signal, Signals};
+use crate::service::{InternalServiceFactory, ServiceFactory, StreamNewService};
+// use crate::signals::{Signal, Signals};
 use crate::socket::StdListener;
 use crate::worker::{self, Worker, WorkerAvailability, WorkerClient};
 use crate::{ssl, Token};
@@ -301,7 +303,7 @@ impl ServerBuilder {
 
             // handle signals
             if !self.no_signals {
-                Signals::start(self.server.clone());
+                // Signals::start(self.server.clone());
             }
 
             // start http server actor
@@ -320,10 +322,12 @@ impl ServerBuilder {
         let services: Vec<Box<dyn InternalServiceFactory>> =
             self.services.iter().map(|v| v.clone_factory()).collect();
 
-        Arbiter::new().send(lazy(move || {
+        Arbiter::new().send(
+            async move {
                 Worker::start(rx1, rx2, services, avail, timeout);
-            Ok::<_, ()>(())
-        }));
+            }
+                .boxed(),
+        );
 
         worker
     }
@@ -338,37 +342,37 @@ impl ServerBuilder {
                 self.accept.send(Command::Resume);
                 let _ = tx.send(());
             }
-            ServerCommand::Signal(sig) => {
+            // ServerCommand::Signal(sig) => {
             // Signals support
             // Handle `SIGINT`, `SIGTERM`, `SIGQUIT` signals and stop actix system
-                match sig {
-                    Signal::Int => {
-                        info!("SIGINT received, exiting");
-                        self.exit = true;
-                        self.handle_cmd(ServerCommand::Stop {
-                            graceful: false,
-                            completion: None,
-                        })
-                    }
-                    Signal::Term => {
-                        info!("SIGTERM received, stopping");
-                        self.exit = true;
-                        self.handle_cmd(ServerCommand::Stop {
-                            graceful: true,
-                            completion: None,
-                        })
-                    }
-                    Signal::Quit => {
-                        info!("SIGQUIT received, exiting");
-                        self.exit = true;
-                        self.handle_cmd(ServerCommand::Stop {
-                            graceful: false,
-                            completion: None,
-                        })
-                    }
-                    _ => (),
-                }
-            }
+            // match sig {
+            //     Signal::Int => {
+            //         info!("SIGINT received, exiting");
+            //         self.exit = true;
+            //         self.handle_cmd(ServerCommand::Stop {
+            //             graceful: false,
+            //             completion: None,
+            //         })
+            //     }
+            //     Signal::Term => {
+            //         info!("SIGTERM received, stopping");
+            //         self.exit = true;
+            //         self.handle_cmd(ServerCommand::Stop {
+            //             graceful: true,
+            //             completion: None,
+            //         })
+            //     }
+            //     Signal::Quit => {
+            //         info!("SIGQUIT received, exiting");
+            //         self.exit = true;
+            //         self.handle_cmd(ServerCommand::Stop {
+            //             graceful: false,
+            //             completion: None,
+            //         })
+            //     }
+            //     _ => (),
+            // }
+            // }
             ServerCommand::Stop {
                 graceful,
                 completion,
@@ -381,39 +385,44 @@ impl ServerBuilder {
                 // stop workers
                 if !self.workers.is_empty() && graceful {
                     spawn(
-                        futures_unordered(
                         self.workers
                             .iter()
-                                .map(move |worker| worker.1.stop(graceful)),
-                        )
-                        .collect()
+                            .map(move |worker| worker.1.stop(graceful))
+                            .collect::<FuturesUnordered<_>>()
+                            .collect::<Vec<_>>()
                             .then(move |_| {
                                 if let Some(tx) = completion {
                                     let _ = tx.send(());
                                 }
                                 if exit {
-                                spawn(sleep(Duration::from_millis(300)).then(|_| {
+                                    spawn(
+                                        async {
+                                            delay(Instant::now() + Duration::from_millis(300))
+                                                .await;
                                             System::current().stop();
-                                    ok(())
-                                }));
                                         }
-                            ok(())
+                                            .boxed(),
+                                    );
+                                }
+                                ready(())
                             }),
                     )
                 } else {
                     // we need to stop system if server was spawned
                     if self.exit {
-                        spawn(sleep(Duration::from_millis(300)).then(|_| {
+                        spawn(
+                            delay(Instant::now() + Duration::from_millis(300)).then(|_| {
                                 System::current().stop();
-                            ok(())
-                        }));
+                                ready(())
+                            }),
+                        );
                     }
                     if let Some(tx) = completion {
                         let _ = tx.send(());
                     }
                 }
             }
-            ServerCommand::WorkerDied(idx) => {
+            ServerCommand::WorkerFaulted(idx) => {
                 let mut found = false;
                 for i in 0..self.workers.len() {
                     if self.workers[i].0 == idx {
@@ -447,15 +456,15 @@ impl ServerBuilder {
 }
 
 impl Future for ServerBuilder {
-    type Item = ();
-    type Error = ();
+    type Output = ();
 
-    fn poll(&mut self) -> Poll<Self::Item, Self::Error> {
+    fn poll(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
         loop {
-            match self.cmd.poll() {
-                Ok(Async::Ready(None)) | Err(_) => return Ok(Async::Ready(())),
-                Ok(Async::NotReady) => return Ok(Async::NotReady),
-                Ok(Async::Ready(Some(item))) => self.handle_cmd(item),
+            match ready!(Pin::new(&mut self.cmd).poll_next(cx)) {
+                Some(it) => self.as_mut().get_mut().handle_cmd(it),
+                None => {
+                    return Poll::Pending;
+                }
             }
         }
     }

actix-server/src/config.rs

@@ -2,18 +2,17 @@ use std::collections::HashMap;
 use std::{fmt, io, net};
 
 use actix_server_config::{Io, ServerConfig};
-use actix_service::{IntoNewService, NewService};
-use futures::future::{join_all, Future};
+use actix_service as actix;
+use futures::future::{Future, FutureExt, LocalBoxFuture};
 use log::error;
-use tokio_tcp::TcpStream;
-
-use crate::counter::CounterGuard;
+use tokio_net::tcp::TcpStream;
 
 use super::builder::bind_addr;
-use super::services::{
+use super::service::{
     BoxedServerService, InternalServiceFactory, ServerMessage, StreamService,
 };
 use super::Token;
+use crate::counter::CounterGuard;
 
 pub struct ServiceConfig {
     pub(crate) services: Vec<(String, net::TcpListener)>,
@@ -108,50 +107,39 @@ impl InternalServiceFactory for ConfiguredService {
         })
     }
 
-    fn create(&self) -> Box<dyn Future<Item = Vec<(Token, BoxedServerService)>, Error = ()>> {
+    fn create(&self) -> LocalBoxFuture<'static, Result<Vec<(Token, BoxedServerService)>, ()>> {
         // configure services
         let mut rt = ServiceRuntime::new(self.services.clone());
         self.rt.configure(&mut rt);
         rt.validate();
 
-        let services = rt.services;
-
-        // on start futures
-        if rt.onstart.is_empty() {
-            // construct services
-            let mut fut = Vec::new();
-            for (token, ns) in services {
-                let config = ServerConfig::new(self.names[&token].1);
-                fut.push(ns.new_service(&config).map(move |service| (token, service)));
-            }
-
-            Box::new(join_all(fut).map_err(|e| {
-                error!("Can not construct service: {:?}", e);
-            }))
-        } else {
         let names = self.names.clone();
 
-            // run onstart future and then construct services
-            Box::new(
-                join_all(rt.onstart)
-                    .map_err(|e| {
-                        error!("Can not construct service: {:?}", e);
-                    })
-                    .and_then(move |_| {
         // construct services
-                        let mut fut = Vec::new();
-                        for (token, ns) in services {
+        async move {
+            let services = rt.services;
+            // TODO: Proper error handling here
+            for f in rt.onstart.into_iter() {
+                f.await;
+            }
+            let mut res = vec![];
+            for (token, ns) in services.into_iter() {
                 let config = ServerConfig::new(names[&token].1);
-                            fut.push(
-                                ns.new_service(&config).map(move |service| (token, service)),
-                            );
+
+                let newserv = ns.new_service(&config);
+                match newserv.await {
+                    Ok(serv) => {
+                        res.push((token, serv));
                     }
-                        join_all(fut).map_err(|e| {
-                            error!("Can not construct service: {:?}", e);
-                        })
-                    }),
-            )
+                    Err(e) => {
+                        error!("Can not construct service {:?}", e);
+                        return Err(e);
                     }
+                };
+            }
+            return Ok(res);
+        }
+            .boxed_local()
     }
 }
 
@@ -181,7 +169,7 @@ fn not_configured(_: &mut ServiceRuntime) {
 pub struct ServiceRuntime {
     names: HashMap<String, Token>,
     services: HashMap<Token, BoxedNewService>,
-    onstart: Vec<Box<dyn Future<Item = (), Error = ()>>>,
+    onstart: Vec<LocalBoxFuture<'static, ()>>,
 }
 
 impl ServiceRuntime {
@@ -207,8 +195,8 @@ impl ServiceRuntime {
     /// *ServiceConfig::bind()* or *ServiceConfig::listen()* methods.
     pub fn service<T, F>(&mut self, name: &str, service: F)
     where
-        F: IntoNewService<T>,
-        T: NewService<Config = ServerConfig, Request = Io<TcpStream>> + 'static,
+        F: actix::IntoServiceFactory<T>,
+        T: actix::ServiceFactory<Config = ServerConfig, Request = Io<TcpStream>> + 'static,
         T::Future: 'static,
         T::Service: 'static,
         T::InitError: fmt::Debug,
@@ -218,7 +206,7 @@ impl ServiceRuntime {
             self.services.insert(
                 token.clone(),
                 Box::new(ServiceFactory {
-                    inner: service.into_new_service(),
+                    inner: service.into_factory(),
                 }),
             );
         } else {
@@ -229,21 +217,21 @@ impl ServiceRuntime {
     /// Execute future before services initialization.
     pub fn on_start<F>(&mut self, fut: F)
     where
-        F: Future<Item = (), Error = ()> + 'static,
+        F: Future<Output = ()> + 'static,
     {
-        self.onstart.push(Box::new(fut))
+        self.onstart.push(fut.boxed_local())
     }
 }
 
 type BoxedNewService = Box<
-    dyn NewService<
+    dyn actix::ServiceFactory<
         Request = (Option<CounterGuard>, ServerMessage),
         Response = (),
         Error = (),
         InitError = (),
         Config = ServerConfig,
         Service = BoxedServerService,
-        Future = Box<dyn Future<Item = BoxedServerService, Error = ()>>,
+        Future = LocalBoxFuture<'static, Result<BoxedServerService, ()>>,
     >,
 >;
 
@@ -251,9 +239,9 @@ struct ServiceFactory<T> {
     inner: T,
 }
 
-impl<T> NewService for ServiceFactory<T>
+impl<T> actix::ServiceFactory for ServiceFactory<T>
 where
-    T: NewService<Config = ServerConfig, Request = Io<TcpStream>>,
+    T: actix::ServiceFactory<Config = ServerConfig, Request = Io<TcpStream>>,
     T::Future: 'static,
     T::Service: 'static,
     T::Error: 'static,
@@ -265,12 +253,19 @@ where
     type InitError = ();
     type Config = ServerConfig;
     type Service = BoxedServerService;
-    type Future = Box<dyn Future<Item = BoxedServerService, Error = ()>>;
+    type Future = LocalBoxFuture<'static, Result<BoxedServerService, ()>>;
 
     fn new_service(&self, cfg: &ServerConfig) -> Self::Future {
-        Box::new(self.inner.new_service(cfg).map_err(|_| ()).map(|s| {
-            let service: BoxedServerService = Box::new(StreamService::new(s));
-            service
-        }))
+        let fut = self.inner.new_service(cfg);
+        async move {
+            return match fut.await {
+                Ok(s) => Ok(Box::new(StreamService::new(s)) as BoxedServerService),
+                Err(e) => {
+                    error!("Can not construct service: {:?}", e);
+                    Err(())
+                }
+            };
+        }
+            .boxed_local()
     }
 }

actix-server/src/counter.rs

@@ -1,7 +1,8 @@
 use std::cell::Cell;
 use std::rc::Rc;
 
-use futures::task::AtomicTask;
+use futures::task::AtomicWaker;
+use std::task;
 
 #[derive(Clone)]
 /// Simple counter with ability to notify task on reaching specific number
@@ -13,7 +14,7 @@ pub struct Counter(Rc<CounterInner>);
 struct CounterInner {
     count: Cell<usize>,
     capacity: usize,
-    task: AtomicTask,
+    task: AtomicWaker,
 }
 
 impl Counter {
@@ -22,7 +23,7 @@ impl Counter {
         Counter(Rc::new(CounterInner {
             capacity,
             count: Cell::new(0),
-            task: AtomicTask::new(),
+            task: AtomicWaker::new(),
         }))
     }
 
@@ -31,8 +32,8 @@ impl Counter {
     }
 
     /// Check if counter is not at capacity
-    pub fn available(&self) -> bool {
-        self.0.available()
+    pub fn available(&self, cx: &mut task::Context) -> bool {
+        self.0.available(cx)
     }
 
     /// Get total number of acquired counts
@@ -66,14 +67,14 @@ impl CounterInner {
         let num = self.count.get();
         self.count.set(num - 1);
         if num == self.capacity {
-            self.task.notify();
+            self.task.wake();
         }
     }
 
-    fn available(&self) -> bool {
+    fn available(&self, cx: &mut task::Context) -> bool {
         let avail = self.count.get() < self.capacity;
         if !avail {
-            self.task.register();
+            self.task.register(cx.waker());
         }
         avail
     }

actix-server/src/lib.rs

@@ -5,8 +5,8 @@ mod builder;
 mod config;
 mod counter;
 mod server;
-mod services;
-mod signals;
+mod service;
+// mod signals;
 mod socket;
 pub mod ssl;
 mod worker;
@@ -16,14 +16,11 @@ pub use actix_server_config::{Io, IoStream, Protocol, ServerConfig};
 pub use self::builder::ServerBuilder;
 pub use self::config::{ServiceConfig, ServiceRuntime};
 pub use self::server::Server;
-pub use self::services::ServiceFactory;
+pub use self::service::ServiceFactory;
 
 #[doc(hidden)]
 pub use self::socket::FromStream;
 
-#[doc(hidden)]
-pub use self::services::ServiceFactory as StreamServiceFactory;
-
 /// Socket id token
 #[derive(Clone, Copy, Debug, PartialEq, Eq, Hash)]
 pub(crate) struct Token(usize);

actix-server/src/server.rs

@@ -1,16 +1,16 @@
-use futures::sync::mpsc::UnboundedSender;
-use futures::sync::oneshot;
-use futures::Future;
+use futures::channel::mpsc::UnboundedSender;
+use futures::channel::oneshot;
+use futures::{Future, TryFutureExt};
 
 use crate::builder::ServerBuilder;
-use crate::signals::Signal;
+// use crate::signals::Signal;
 
 #[derive(Debug)]
 pub(crate) enum ServerCommand {
-    WorkerDied(usize),
+    WorkerFaulted(usize),
     Pause(oneshot::Sender<()>),
     Resume(oneshot::Sender<()>),
-    Signal(Signal),
+    // Signal(Signal),
     /// Whether to try and shut down gracefully
     Stop {
         graceful: bool,
@@ -31,26 +31,26 @@ impl Server {
         ServerBuilder::default()
     }
 
-    pub(crate) fn signal(&self, sig: Signal) {
-        let _ = self.0.unbounded_send(ServerCommand::Signal(sig));
-    }
+    // pub(crate) fn signal(&self, sig: Signal) {
+    //     let _ = self.0.unbounded_send(ServerCommand::Signal(sig));
+    // }
 
-    pub(crate) fn worker_died(&self, idx: usize) {
-        let _ = self.0.unbounded_send(ServerCommand::WorkerDied(idx));
+    pub(crate) fn worker_faulted(&self, idx: usize) {
+        let _ = self.0.unbounded_send(ServerCommand::WorkerFaulted(idx));
     }
 
     /// Pause accepting incoming connections
     ///
     /// If socket contains some pending connection, they might be dropped.
     /// All opened connection remains active.
-    pub fn pause(&self) -> impl Future<Item = (), Error = ()> {
+    pub fn pause(&self) -> impl Future<Output = Result<(), ()>> {
         let (tx, rx) = oneshot::channel();
         let _ = self.0.unbounded_send(ServerCommand::Pause(tx));
         rx.map_err(|_| ())
     }
 
     /// Resume accepting incoming connections
-    pub fn resume(&self) -> impl Future<Item = (), Error = ()> {
+    pub fn resume(&self) -> impl Future<Output = Result<(), ()>> {
         let (tx, rx) = oneshot::channel();
         let _ = self.0.unbounded_send(ServerCommand::Resume(tx));
         rx.map_err(|_| ())
@@ -59,7 +59,7 @@ impl Server {
     /// Stop incoming connection processing, stop all workers and exit.
     ///
     /// If server starts with `spawn()` method, then spawned thread get terminated.
-    pub fn stop(&self, graceful: bool) -> impl Future<Item = (), Error = ()> {
+    pub fn stop(&self, graceful: bool) -> impl Future<Output = Result<(), ()>> {
         let (tx, rx) = oneshot::channel();
         let _ = self.0.unbounded_send(ServerCommand::Stop {
             graceful,

actix-server/src/service.rs

@@ -1,12 +1,13 @@
 use std::marker::PhantomData;
 use std::net::SocketAddr;
+use std::task::{Context, Poll};
 use std::time::Duration;
 
 use actix_rt::spawn;
 use actix_server_config::{Io, ServerConfig};
-use actix_service::{NewService, Service};
-use futures::future::{err, ok, FutureResult};
-use futures::{Future, Poll};
+use actix_service::{self as actix, Service, ServiceFactory as ActixServiceFactory};
+use futures::future::{err, ok, LocalBoxFuture, Ready};
+use futures::{FutureExt, TryFutureExt};
 use log::error;
 
 use super::Token;
@@ -24,7 +25,7 @@ pub(crate) enum ServerMessage {
 }
 
 pub trait ServiceFactory<Stream: FromStream>: Send + Clone + 'static {
-    type NewService: NewService<Config = ServerConfig, Request = Io<Stream>>;
+    type NewService: actix::ServiceFactory<Config = ServerConfig, Request = Io<Stream>>;
 
     fn create(&self) -> Self::NewService;
 }
@@ -34,7 +35,7 @@ pub(crate) trait InternalServiceFactory: Send {
 
     fn clone_factory(&self) -> Box<dyn InternalServiceFactory>;
 
-    fn create(&self) -> Box<dyn Future<Item = Vec<(Token, BoxedServerService)>, Error = ()>>;
+    fn create(&self) -> LocalBoxFuture<'static, Result<Vec<(Token, BoxedServerService)>, ()>>;
 }
 
 pub(crate) type BoxedServerService = Box<
@@ -42,7 +43,7 @@ pub(crate) type BoxedServerService = Box<
         Request = (Option<CounterGuard>, ServerMessage),
         Response = (),
         Error = (),
-        Future = FutureResult<(), ()>,
+        Future = Ready<Result<(), ()>>,
     >,
 >;
 
@@ -66,10 +67,10 @@ where
     type Request = (Option<CounterGuard>, ServerMessage);
     type Response = ();
     type Error = ();
-    type Future = FutureResult<(), ()>;
+    type Future = Ready<Result<(), ()>>;
 
-    fn poll_ready(&mut self) -> Poll<(), Self::Error> {
-        self.service.poll_ready().map_err(|_| ())
+    fn poll_ready(&mut self, ctx: &mut Context<'_>) -> Poll<Result<(), Self::Error>> {
+        self.service.poll_ready(ctx).map_err(|_| ())
     }
 
     fn call(&mut self, (guard, req): (Option<CounterGuard>, ServerMessage)) -> Self::Future {
@@ -80,10 +81,14 @@ where
                 });
 
                 if let Ok(stream) = stream {
-                    spawn(self.service.call(Io::new(stream)).then(move |res| {
+                    let f = self.service.call(Io::new(stream));
+                    spawn(
+                        async move {
+                            let _ = f.await;
                             drop(guard);
-                        res.map_err(|_| ()).map(|_| ())
-                    }));
+                        }
+                            .boxed_local(),
+                    );
                     ok(())
                 } else {
                     err(())
@@ -142,19 +147,19 @@ where
         })
     }
 
-    fn create(&self) -> Box<dyn Future<Item = Vec<(Token, BoxedServerService)>, Error = ()>> {
+    fn create(&self) -> LocalBoxFuture<'static, Result<Vec<(Token, BoxedServerService)>, ()>> {
         let token = self.token;
         let config = ServerConfig::new(self.addr);
-        Box::new(
+
         self.inner
             .create()
             .new_service(&config)
             .map_err(|_| ())
-                .map(move |inner| {
+            .map_ok(move |inner| {
                 let service: BoxedServerService = Box::new(StreamService::new(inner));
                 vec![(token, service)]
-                }),
-        )
+            })
+            .boxed_local()
     }
 }
 
@@ -167,7 +172,7 @@ impl InternalServiceFactory for Box<dyn InternalServiceFactory> {
         self.as_ref().clone_factory()
     }
 
-    fn create(&self) -> Box<dyn Future<Item = Vec<(Token, BoxedServerService)>, Error = ()>> {
+    fn create(&self) -> LocalBoxFuture<'static, Result<Vec<(Token, BoxedServerService)>, ()>> {
         self.as_ref().create()
     }
 }
@@ -175,7 +180,7 @@ impl InternalServiceFactory for Box<dyn InternalServiceFactory> {
 impl<F, T, I> ServiceFactory<I> for F
 where
     F: Fn() -> T + Send + Clone + 'static,
-    T: NewService<Config = ServerConfig, Request = Io<I>>,
+    T: actix::ServiceFactory<Config = ServerConfig, Request = Io<I>>,
     I: FromStream,
 {
     type NewService = T;

actix-server/src/signals.rs

@@ -1,8 +1,13 @@
+use std::future::Future;
 use std::io;
+use std::pin::Pin;
+use std::task::{Context, Poll};
 
 use actix_rt::spawn;
-use futures::stream::futures_unordered;
-use futures::{Async, Future, Poll, Stream};
+use futures::future::LocalBoxFuture;
+use futures::stream::{futures_unordered, FuturesUnordered, LocalBoxStream};
+use futures::{FutureExt, Stream, StreamExt, TryFutureExt, TryStream, TryStreamExt};
+use tokio_net::signal::unix::signal;
 
 use crate::server::Server;
 
@@ -27,14 +32,14 @@ pub(crate) struct Signals {
     streams: Vec<SigStream>,
 }
 
-type SigStream = Box<dyn Stream<Item = Signal, Error = io::Error>>;
+type SigStream = LocalBoxStream<'static, Result<Signal, io::Error>>;
 
 impl Signals {
     pub(crate) fn start(srv: Server) {
         let fut = {
             #[cfg(not(unix))]
             {
-                tokio_signal::ctrl_c()
+                tokio_net::signal::ctrl_c()
                     .map_err(|_| ())
                     .and_then(move |stream| Signals {
                         srv,
@@ -44,51 +49,79 @@ impl Signals {
 
             #[cfg(unix)]
             {
-                use tokio_signal::unix;
+                use tokio_net::signal::unix;
 
-                let mut sigs: Vec<Box<dyn Future<Item = SigStream, Error = io::Error>>> =
-                    Vec::new();
-                sigs.push(Box::new(
-                    tokio_signal::unix::Signal::new(tokio_signal::unix::SIGINT).map(|stream| {
+                let mut sigs: Vec<_> = Vec::new();
+
+                let mut SIG_MAP = [
+                    (
+                        tokio_net::signal::unix::SignalKind::interrupt(),
+                        Signal::Int,
+                    ),
+                    (tokio_net::signal::unix::SignalKind::hangup(), Signal::Hup),
+                    (
+                        tokio_net::signal::unix::SignalKind::terminate(),
+                        Signal::Term,
+                    ),
+                    (tokio_net::signal::unix::SignalKind::quit(), Signal::Quit),
+                ];
+
+                for (kind, sig) in SIG_MAP.into_iter() {
+                    let sig = sig.clone();
+                    let fut = signal(*kind).unwrap();
+                    sigs.push(fut.map(move |_| Ok(sig)).boxed_local());
+                }
+                /* TODO: Finish rewriting this
+                sigs.push(
+                    tokio_net::signal::unix::signal(tokio_net::signal::si).unwrap()
+                        .map(|stream| {
                             let s: SigStream = Box::new(stream.map(|_| Signal::Int));
                             s
-                    }),
-                ));
-                sigs.push(Box::new(
-                    tokio_signal::unix::Signal::new(tokio_signal::unix::SIGHUP).map(
-                        |stream: unix::Signal| {
+                        }).boxed()
+                );
+                sigs.push(
+
+                    tokio_net::signal::unix::signal(tokio_net::signal::unix::SignalKind::hangup()).unwrap()
+                        .map(|stream: unix::Signal| {
                             let s: SigStream = Box::new(stream.map(|_| Signal::Hup));
                             s
-                        },
-                    ),
-                ));
-                sigs.push(Box::new(
-                    tokio_signal::unix::Signal::new(tokio_signal::unix::SIGTERM).map(
-                        |stream| {
+                        }).boxed()
+                );
+                sigs.push(
+                    tokio_net::signal::unix::signal(
+                        tokio_net::signal::unix::SignalKind::terminate()
+                    ).unwrap()
+                        .map(|stream| {
                             let s: SigStream = Box::new(stream.map(|_| Signal::Term));
                             s
-                        },
-                    ),
-                ));
-                sigs.push(Box::new(
-                    tokio_signal::unix::Signal::new(tokio_signal::unix::SIGQUIT).map(
-                        |stream| {
+                        }).boxed(),
+                );
+                sigs.push(
+                    tokio_net::signal::unix::signal(
+                        tokio_net::signal::unix::SignalKind::quit()
+                    ).unwrap()
+                        .map(|stream| {
                             let s: SigStream = Box::new(stream.map(|_| Signal::Quit));
                             s
-                        },
-                    ),
-                ));
-                futures_unordered(sigs)
-                    .collect()
-                    .map_err(|_| ())
-                    .and_then(move |streams| Signals { srv, streams })
+                        }).boxed()
+                );
+                */
+
+                Signals { srv, streams: sigs }
             }
         };
-        spawn(fut);
+        spawn(async {});
     }
 }
 
 impl Future for Signals {
+    type Output = ();
+
+    fn poll(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
+        unimplemented!()
+    }
+
+    /*
     type Item = ();
     type Error = ();
 
@@ -115,4 +148,5 @@ impl Future for Signals {
             Ok(Async::NotReady)
         }
     }
+    */
 }

actix-server/src/socket.rs

@@ -1,8 +1,8 @@
 use std::{fmt, io, net};
 
 use tokio_io::{AsyncRead, AsyncWrite};
-use tokio_reactor::Handle;
-use tokio_tcp::TcpStream;
+use tokio_net::driver::Handle;
+use tokio_net::tcp::TcpStream;
 
 pub(crate) enum StdListener {
     Tcp(net::TcpListener),

actix-server/src/ssl/mod.rs

@@ -3,19 +3,19 @@ use std::sync::atomic::{AtomicUsize, Ordering};
 
 use crate::counter::Counter;
 
-#[cfg(feature = "ssl")]
+#[cfg(feature = "openssl")]
 mod openssl;
-#[cfg(feature = "ssl")]
+#[cfg(feature = "openssl")]
 pub use self::openssl::OpensslAcceptor;
 
-#[cfg(feature = "tls")]
+#[cfg(feature = "nativetls")]
 mod nativetls;
-#[cfg(feature = "tls")]
-pub use self::nativetls::{NativeTlsAcceptor, TlsStream};
+#[cfg(feature = "nativetls")]
+pub use self::nativetls::NativeTlsAcceptor;
 
-#[cfg(feature = "rust-tls")]
+#[cfg(feature = "rustls")]
 mod rustls;
-#[cfg(feature = "rust-tls")]
+#[cfg(feature = "rustls")]
 pub use self::rustls::RustlsAcceptor;
 
 /// Sets the maximum per-worker concurrent ssl connection establish process.

actix-server/src/ssl/nativetls.rs

@@ -1,14 +1,16 @@
-use std::io;
+use std::convert::Infallible;
 use std::marker::PhantomData;
+use std::task::{Context, Poll};
 
-use actix_service::{NewService, Service};
-use futures::{future::ok, future::FutureResult, Async, Future, Poll};
-use native_tls::{self, Error, HandshakeError, TlsAcceptor};
-use tokio_io::{AsyncRead, AsyncWrite};
+use actix_service::{Service, ServiceFactory};
+use futures::future::{self, FutureExt as _, LocalBoxFuture, TryFutureExt as _};
+use native_tls::Error;
+use tokio::io::{AsyncRead, AsyncWrite};
+use tokio_tls::{TlsAcceptor, TlsStream};
 
-use crate::counter::{Counter, CounterGuard};
+use crate::counter::Counter;
 use crate::ssl::MAX_CONN_COUNTER;
-use crate::{Io, Protocol, ServerConfig};
+use crate::{Io, ServerConfig};
 
 /// Support `SSL` connections via native-tls package
 ///
@@ -18,8 +20,12 @@ pub struct NativeTlsAcceptor<T, P = ()> {
     io: PhantomData<(T, P)>,
 }
 
-impl<T: AsyncRead + AsyncWrite, P> NativeTlsAcceptor<T, P> {
+impl<T, P> NativeTlsAcceptor<T, P>
+where
+    T: AsyncRead + AsyncWrite + Unpin,
+{
     /// Create `NativeTlsAcceptor` instance
+    #[inline]
     pub fn new(acceptor: TlsAcceptor) -> Self {
         NativeTlsAcceptor {
             acceptor,
@@ -28,7 +34,8 @@ impl<T: AsyncRead + AsyncWrite, P> NativeTlsAcceptor<T, P> {
     }
 }
 
-impl<T: AsyncRead + AsyncWrite, P> Clone for NativeTlsAcceptor<T, P> {
+impl<T, P> Clone for NativeTlsAcceptor<T, P> {
+    #[inline]
     fn clone(&self) -> Self {
         Self {
             acceptor: self.acceptor.clone(),
@@ -37,21 +44,25 @@ impl<T: AsyncRead + AsyncWrite, P> Clone for NativeTlsAcceptor<T, P> {
     }
 }
 
-impl<T: AsyncRead + AsyncWrite, P> NewService for NativeTlsAcceptor<T, P> {
+impl<T, P> ServiceFactory for NativeTlsAcceptor<T, P>
+where
+    T: AsyncRead + AsyncWrite + Unpin + 'static,
+    P: 'static,
+{
     type Request = Io<T, P>;
     type Response = Io<TlsStream<T>, P>;
     type Error = Error;
 
     type Config = ServerConfig;
     type Service = NativeTlsAcceptorService<T, P>;
-    type InitError = ();
-    type Future = FutureResult<Self::Service, Self::InitError>;
+    type InitError = Infallible;
+    type Future = future::Ready<Result<Self::Service, Self::InitError>>;
 
     fn new_service(&self, cfg: &ServerConfig) -> Self::Future {
         cfg.set_secure();
 
         MAX_CONN_COUNTER.with(|conns| {
-            ok(NativeTlsAcceptorService {
+            future::ok(NativeTlsAcceptorService {
                 acceptor: self.acceptor.clone(),
                 conns: conns.clone(),
                 io: PhantomData,
@@ -66,117 +77,46 @@ pub struct NativeTlsAcceptorService<T, P> {
     conns: Counter,
 }
 
-impl<T: AsyncRead + AsyncWrite, P> Service for NativeTlsAcceptorService<T, P> {
+impl<T, P> Clone for NativeTlsAcceptorService<T, P> {
+    fn clone(&self) -> Self {
+        Self {
+            acceptor: self.acceptor.clone(),
+            io: PhantomData,
+            conns: self.conns.clone(),
+        }
+    }
+}
+
+impl<T, P> Service for NativeTlsAcceptorService<T, P>
+where
+    T: AsyncRead + AsyncWrite + Unpin + 'static,
+    P: 'static,
+{
     type Request = Io<T, P>;
     type Response = Io<TlsStream<T>, P>;
     type Error = Error;
-    type Future = Accept<T, P>;
+    type Future = LocalBoxFuture<'static, Result<Io<TlsStream<T>, P>, Error>>;
 
-    fn poll_ready(&mut self) -> Poll<(), Self::Error> {
-        if self.conns.available() {
-            Ok(Async::Ready(()))
+    fn poll_ready(&mut self, cx: &mut Context<'_>) -> Poll<Result<(), Self::Error>> {
+        if self.conns.available(cx) {
+            Poll::Ready(Ok(()))
         } else {
-            Ok(Async::NotReady)
+            Poll::Pending
         }
     }
 
     fn call(&mut self, req: Self::Request) -> Self::Future {
-        let (io, params, _) = req.into_parts();
-        Accept {
-            _guard: self.conns.get(),
-            inner: Some(self.acceptor.accept(io)),
-            params: Some(params),
-        }
-    }
-}
-
-/// A wrapper around an underlying raw stream which implements the TLS or SSL
-/// protocol.
-///
-/// A `TlsStream<S>` represents a handshake that has been completed successfully
-/// and both the server and the client are ready for receiving and sending
-/// data. Bytes read from a `TlsStream` are decrypted from `S` and bytes written
-/// to a `TlsStream` are encrypted when passing through to `S`.
-#[derive(Debug)]
-pub struct TlsStream<S> {
-    inner: native_tls::TlsStream<S>,
-}
-
-/// Future returned from `NativeTlsAcceptor::accept` which will resolve
-/// once the accept handshake has finished.
-pub struct Accept<S, P> {
-    inner: Option<Result<native_tls::TlsStream<S>, HandshakeError<S>>>,
-    params: Option<P>,
-    _guard: CounterGuard,
-}
-
-impl<T: AsyncRead + AsyncWrite, P> Future for Accept<T, P> {
-    type Item = Io<TlsStream<T>, P>;
-    type Error = Error;
-
-    fn poll(&mut self) -> Poll<Self::Item, Self::Error> {
-        match self.inner.take().expect("cannot poll MidHandshake twice") {
-            Ok(stream) => Ok(Async::Ready(Io::from_parts(
-                TlsStream { inner: stream },
-                self.params.take().unwrap(),
-                Protocol::Unknown,
-            ))),
-            Err(HandshakeError::Failure(e)) => Err(e),
-            Err(HandshakeError::WouldBlock(s)) => match s.handshake() {
-                Ok(stream) => Ok(Async::Ready(Io::from_parts(
-                    TlsStream { inner: stream },
-                    self.params.take().unwrap(),
-                    Protocol::Unknown,
-                ))),
-                Err(HandshakeError::Failure(e)) => Err(e),
-                Err(HandshakeError::WouldBlock(s)) => {
-                    self.inner = Some(Err(HandshakeError::WouldBlock(s)));
-                    Ok(Async::NotReady)
-                }
-            },
-        }
-    }
-}
-
-impl<S> TlsStream<S> {
-    /// Get access to the internal `native_tls::TlsStream` stream which also
-    /// transitively allows access to `S`.
-    pub fn get_ref(&self) -> &native_tls::TlsStream<S> {
-        &self.inner
-    }
-
-    /// Get mutable access to the internal `native_tls::TlsStream` stream which
-    /// also transitively allows mutable access to `S`.
-    pub fn get_mut(&mut self) -> &mut native_tls::TlsStream<S> {
-        &mut self.inner
-    }
-}
-
-impl<S: io::Read + io::Write> io::Read for TlsStream<S> {
-    fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
-        self.inner.read(buf)
-    }
-}
-
-impl<S: io::Read + io::Write> io::Write for TlsStream<S> {
-    fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
-        self.inner.write(buf)
-    }
-
-    fn flush(&mut self) -> io::Result<()> {
-        self.inner.flush()
-    }
-}
-
-impl<S: AsyncRead + AsyncWrite> AsyncRead for TlsStream<S> {}
-
-impl<S: AsyncRead + AsyncWrite> AsyncWrite for TlsStream<S> {
-    fn shutdown(&mut self) -> Poll<(), io::Error> {
-        match self.inner.shutdown() {
-            Ok(_) => (),
-            Err(ref e) if e.kind() == io::ErrorKind::WouldBlock => (),
-            Err(e) => return Err(e),
-        }
-        self.inner.get_mut().shutdown()
+        let guard = self.conns.get();
+        let this = self.clone();
+        let (io, params, proto) = req.into_parts();
+        async move { this.acceptor.accept(io).await }
+            .map_ok(move |stream| Io::from_parts(stream, params, proto))
+            .map_ok(move |io| {
+                // Required to preserve `CounterGuard` until `Self::Future`
+                // is completely resolved.
+                let _ = guard;
+                io
+            })
+            .boxed_local()
     }
 }

actix-server/src/ssl/openssl.rs

@@ -1,10 +1,14 @@
+use std::future::Future;
 use std::marker::PhantomData;
+use std::pin::Pin;
+use std::task::{Context, Poll};
 
-use actix_service::{NewService, Service};
-use futures::{future::ok, future::FutureResult, Async, Future, Poll};
-use openssl::ssl::{HandshakeError, SslAcceptor};
+use actix_service::{Service, ServiceFactory};
+use futures::future::{ok, FutureExt, LocalBoxFuture, Ready};
+use open_ssl::ssl::SslAcceptor;
+use pin_project::pin_project;
 use tokio_io::{AsyncRead, AsyncWrite};
-use tokio_openssl::{AcceptAsync, SslAcceptorExt, SslStream};
+use tokio_openssl::{HandshakeError, SslStream};
 
 use crate::counter::{Counter, CounterGuard};
 use crate::ssl::MAX_CONN_COUNTER;
@@ -37,14 +41,14 @@ impl<T: AsyncRead + AsyncWrite, P> Clone for OpensslAcceptor<T, P> {
     }
 }
 
-impl<T: AsyncRead + AsyncWrite, P> NewService for OpensslAcceptor<T, P> {
+impl<T: AsyncRead + AsyncWrite + Unpin + 'static, P> ServiceFactory for OpensslAcceptor<T, P> {
     type Request = Io<T, P>;
     type Response = Io<SslStream<T>, P>;
     type Error = HandshakeError<T>;
     type Config = ServerConfig;
     type Service = OpensslAcceptorService<T, P>;
     type InitError = ();
-    type Future = FutureResult<Self::Service, Self::InitError>;
+    type Future = Ready<Result<Self::Service, Self::InitError>>;
 
     fn new_service(&self, cfg: &ServerConfig) -> Self::Future {
         cfg.set_secure();
@@ -65,46 +69,54 @@ pub struct OpensslAcceptorService<T, P> {
     io: PhantomData<(T, P)>,
 }
 
-impl<T: AsyncRead + AsyncWrite, P> Service for OpensslAcceptorService<T, P> {
+impl<T: AsyncRead + AsyncWrite + Unpin + 'static, P> Service for OpensslAcceptorService<T, P> {
     type Request = Io<T, P>;
     type Response = Io<SslStream<T>, P>;
     type Error = HandshakeError<T>;
     type Future = OpensslAcceptorServiceFut<T, P>;
 
-    fn poll_ready(&mut self) -> Poll<(), Self::Error> {
-        if self.conns.available() {
-            Ok(Async::Ready(()))
+    fn poll_ready(&mut self, ctx: &mut Context<'_>) -> Poll<Result<(), Self::Error>> {
+        if self.conns.available(ctx) {
+            Poll::Ready(Ok(()))
         } else {
-            Ok(Async::NotReady)
+            Poll::Pending
         }
     }
 
     fn call(&mut self, req: Self::Request) -> Self::Future {
         let (io, params, _) = req.into_parts();
+        let acc = self.acceptor.clone();
         OpensslAcceptorServiceFut {
             _guard: self.conns.get(),
-            fut: SslAcceptorExt::accept_async(&self.acceptor, io),
+            fut: async move {
+                let acc = acc;
+                tokio_openssl::accept(&acc, io).await
+            }
+                .boxed_local::<'static>(),
             params: Some(params),
         }
     }
 }
 
+#[pin_project]
 pub struct OpensslAcceptorServiceFut<T, P>
 where
     T: AsyncRead + AsyncWrite,
 {
-    fut: AcceptAsync<T>,
+    #[pin]
+    fut: LocalBoxFuture<'static, Result<SslStream<T>, HandshakeError<T>>>,
     params: Option<P>,
     _guard: CounterGuard,
 }
 
 impl<T: AsyncRead + AsyncWrite, P> Future for OpensslAcceptorServiceFut<T, P> {
-    type Item = Io<SslStream<T>, P>;
-    type Error = HandshakeError<T>;
+    type Output = Result<Io<SslStream<T>, P>, HandshakeError<T>>;
 
-    fn poll(&mut self) -> Poll<Self::Item, Self::Error> {
-        let io = futures::try_ready!(self.fut.poll());
-        let proto = if let Some(protos) = io.get_ref().ssl().selected_alpn_protocol() {
+    fn poll(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
+        let this = self.project();
+
+        let io = futures::ready!(this.fut.poll(cx))?;
+        let proto = if let Some(protos) = io.ssl().selected_alpn_protocol() {
             const H2: &[u8] = b"\x02h2";
             const HTTP10: &[u8] = b"\x08http/1.0";
             const HTTP11: &[u8] = b"\x08http/1.1";
@@ -121,10 +133,7 @@ impl<T: AsyncRead + AsyncWrite, P> Future for OpensslAcceptorServiceFut<T, P> {
         } else {
             Protocol::Unknown
         };
-        Ok(Async::Ready(Io::from_parts(
-            io,
-            self.params.take().unwrap(),
-            proto,
-        )))
+
+        Poll::Ready(Ok(Io::from_parts(io, this.params.take().unwrap(), proto)))
     }
 }

actix-server/src/ssl/rustls.rs

@@ -1,10 +1,14 @@
+use std::future::Future;
 use std::io;
 use std::marker::PhantomData;
+use std::pin::Pin;
 use std::sync::Arc;
+use std::task::{Context, Poll};
 
-use actix_service::{NewService, Service};
-use futures::{future::ok, future::FutureResult, Async, Future, Poll};
-use rustls::ServerConfig;
+use actix_service::{Service, ServiceFactory};
+use futures::future::{ok, Ready};
+use pin_project::pin_project;
+use rust_tls::ServerConfig;
 use tokio_io::{AsyncRead, AsyncWrite};
 use tokio_rustls::{server::TlsStream, Accept, TlsAcceptor};
 
@@ -39,7 +43,7 @@ impl<T, P> Clone for RustlsAcceptor<T, P> {
     }
 }
 
-impl<T: AsyncRead + AsyncWrite, P> NewService for RustlsAcceptor<T, P> {
+impl<T: AsyncRead + AsyncWrite + Unpin, P> ServiceFactory for RustlsAcceptor<T, P> {
     type Request = Io<T, P>;
     type Response = Io<TlsStream<T>, P>;
     type Error = io::Error;
@@ -47,7 +51,7 @@ impl<T: AsyncRead + AsyncWrite, P> NewService for RustlsAcceptor<T, P> {
     type Config = SrvConfig;
     type Service = RustlsAcceptorService<T, P>;
     type InitError = ();
-    type Future = FutureResult<Self::Service, Self::InitError>;
+    type Future = Ready<Result<Self::Service, Self::InitError>>;
 
     fn new_service(&self, cfg: &SrvConfig) -> Self::Future {
         cfg.set_secure();
@@ -68,17 +72,17 @@ pub struct RustlsAcceptorService<T, P> {
     conns: Counter,
 }
 
-impl<T: AsyncRead + AsyncWrite, P> Service for RustlsAcceptorService<T, P> {
+impl<T: AsyncRead + AsyncWrite + Unpin, P> Service for RustlsAcceptorService<T, P> {
     type Request = Io<T, P>;
     type Response = Io<TlsStream<T>, P>;
     type Error = io::Error;
     type Future = RustlsAcceptorServiceFut<T, P>;
 
-    fn poll_ready(&mut self) -> Poll<(), Self::Error> {
-        if self.conns.available() {
-            Ok(Async::Ready(()))
+    fn poll_ready(&mut self, cx: &mut Context) -> Poll<Result<(), Self::Error>> {
+        if self.conns.available(cx) {
+            Poll::Ready(Ok(()))
         } else {
-            Ok(Async::NotReady)
+            Poll::Pending
         }
     }
 
@@ -92,25 +96,26 @@ impl<T: AsyncRead + AsyncWrite, P> Service for RustlsAcceptorService<T, P> {
     }
 }
 
+#[pin_project]
 pub struct RustlsAcceptorServiceFut<T, P>
 where
-    T: AsyncRead + AsyncWrite,
+    T: AsyncRead + AsyncWrite + Unpin,
 {
+    #[pin]
     fut: Accept<T>,
     params: Option<P>,
     _guard: CounterGuard,
 }
 
-impl<T: AsyncRead + AsyncWrite, P> Future for RustlsAcceptorServiceFut<T, P> {
-    type Item = Io<TlsStream<T>, P>;
-    type Error = io::Error;
+impl<T: AsyncRead + AsyncWrite + Unpin, P> Future for RustlsAcceptorServiceFut<T, P> {
+    type Output = Result<Io<TlsStream<T>, P>, io::Error>;
 
-    fn poll(&mut self) -> Poll<Self::Item, Self::Error> {
-        let io = futures::try_ready!(self.fut.poll());
-        Ok(Async::Ready(Io::from_parts(
-            io,
-            self.params.take().unwrap(),
-            Protocol::Unknown,
-        )))
+    fn poll(self: Pin<&mut Self>, cx: &mut Context) -> Poll<Self::Output> {
+        let this = self.project();
+        let params = this.params.take().unwrap();
+        Poll::Ready(
+            futures::ready!(this.fut.poll(cx))
+                .map(move |io| Io::from_parts(io, params, Protocol::Unknown)),
+        )
     }
 }

actix-server/src/worker.rs

@@ -1,17 +1,20 @@
+use std::pin::Pin;
 use std::sync::atomic::{AtomicBool, AtomicUsize, Ordering};
 use std::sync::Arc;
+use std::task::{Context, Poll};
 use std::{mem, time};
 
 use actix_rt::{spawn, Arbiter};
-use futures::sync::mpsc::{UnboundedReceiver, UnboundedSender};
-use futures::sync::oneshot;
-use futures::{future, Async, Future, Poll, Stream};
+use futures::channel::mpsc::{UnboundedReceiver, UnboundedSender};
+use futures::channel::oneshot;
+use futures::future::{join_all, LocalBoxFuture, MapOk};
+use futures::{Future, FutureExt, Stream, TryFutureExt};
 use log::{error, info, trace};
-use tokio_timer::{sleep, Delay};
+use tokio_timer::{delay, Delay};
 
 use crate::accept::AcceptNotify;
 use crate::counter::Counter;
-use crate::services::{BoxedServerService, InternalServiceFactory, ServerMessage};
+use crate::service::{BoxedServerService, InternalServiceFactory, ServerMessage};
 use crate::socket::{SocketAddr, StdStream};
 use crate::Token;
 
@@ -153,21 +156,21 @@ impl Worker {
             state: WorkerState::Unavailable(Vec::new()),
         });
 
-        let mut fut = Vec::new();
+        let mut fut: Vec<MapOk<LocalBoxFuture<'static, _>, _>> = Vec::new();
         for (idx, factory) in wrk.factories.iter().enumerate() {
-            fut.push(factory.create().map(move |res| {
-                res.into_iter()
-                    .map(|(t, s)| (idx, t, s))
+            fut.push(factory.create().map_ok(move |r| {
+                r.into_iter()
+                    .map(|(t, s): (Token, _)| (idx, t, s))
                     .collect::<Vec<_>>()
             }));
         }
+
         spawn(
-            future::join_all(fut)
-                .map_err(|e| {
-                    error!("Can not start worker: {:?}", e);
-                    Arbiter::current().stop();
-                })
-                .and_then(move |services| {
+            async move {
+                let res = join_all(fut).await;
+                let res: Result<Vec<_>, _> = res.into_iter().collect();
+                match res {
+                    Ok(services) => {
                         for item in services {
                             for (idx, token, service) in item {
                                 while token.0 >= wrk.services.len() {
@@ -176,8 +179,15 @@ impl Worker {
                                 wrk.services[token.0] = Some((idx, service));
                             }
                         }
-                    wrk
-                }),
+                    }
+                    Err(e) => {
+                        error!("Can not start worker: {:?}", e);
+                        Arbiter::current().stop();
+                    }
+                }
+                wrk.await
+            }
+                .boxed_local(),
         );
     }
 
@@ -198,13 +208,17 @@ impl Worker {
         }
     }
 
-    fn check_readiness(&mut self, trace: bool) -> Result<bool, (Token, usize)> {
-        let mut ready = self.conns.available();
+    fn check_readiness(
+        &mut self,
+        trace: bool,
+        cx: &mut Context<'_>,
+    ) -> Result<bool, (Token, usize)> {
+        let mut ready = self.conns.available(cx);
         let mut failed = None;
         for (token, service) in &mut self.services.iter_mut().enumerate() {
             if let Some(service) = service {
-                match service.1.poll_ready() {
-                    Ok(Async::Ready(_)) => {
+                match service.1.poll_ready(cx) {
+                    Poll::Ready(Ok(_)) => {
                         if trace {
                             trace!(
                                 "Service {:?} is available",
@@ -212,8 +226,8 @@ impl Worker {
                             );
                         }
                     }
-                    Ok(Async::NotReady) => ready = false,
-                    Err(_) => {
+                    Poll::Pending => ready = false,
+                    Poll::Ready(Err(_)) => {
                         error!(
                             "Service {:?} readiness check returned error, restarting",
                             self.factories[service.0].name(Token(token))
@@ -238,43 +252,44 @@ enum WorkerState {
     Restarting(
         usize,
         Token,
-        Box<dyn Future<Item = Vec<(Token, BoxedServerService)>, Error = ()>>,
+        Pin<Box<dyn Future<Output = Result<Vec<(Token, BoxedServerService)>, ()>>>>,
     ),
     Shutdown(Delay, Delay, oneshot::Sender<bool>),
 }
 
 impl Future for Worker {
-    type Item = ();
-    type Error = ();
+    type Output = ();
 
-    fn poll(&mut self) -> Poll<Self::Item, Self::Error> {
+    fn poll(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
         // `StopWorker` message handler
-        if let Ok(Async::Ready(Some(StopCommand { graceful, result }))) = self.rx2.poll() {
+        if let Poll::Ready(Some(StopCommand { graceful, result })) =
+            Pin::new(&mut self.rx2).poll_next(cx)
+        {
             self.availability.set(false);
             let num = num_connections();
             if num == 0 {
                 info!("Shutting down worker, 0 connections");
                 let _ = result.send(true);
-                return Ok(Async::Ready(()));
+                return Poll::Ready(());
             } else if graceful {
                 self.shutdown(false);
                 let num = num_connections();
                 if num != 0 {
                     info!("Graceful worker shutdown, {} connections", num);
                     self.state = WorkerState::Shutdown(
-                        sleep(time::Duration::from_secs(1)),
-                        sleep(self.shutdown_timeout),
+                        delay(time::Instant::now() + time::Duration::from_secs(1)),
+                        delay(time::Instant::now() + self.shutdown_timeout),
                         result,
                     );
                 } else {
                     let _ = result.send(true);
-                    return Ok(Async::Ready(()));
+                    return Poll::Ready(());
                 }
             } else {
                 info!("Force shutdown worker, {} connections", num);
                 self.shutdown(true);
                 let _ = result.send(false);
-                return Ok(Async::Ready(()));
+                return Poll::Ready(());
             }
         }
 
@@ -282,13 +297,13 @@ impl Future for Worker {
 
         match state {
             WorkerState::Unavailable(mut conns) => {
-                match self.check_readiness(true) {
+                match self.check_readiness(true, cx) {
                     Ok(true) => {
                         self.state = WorkerState::Available;
 
                         // process requests from wait queue
                         while let Some(msg) = conns.pop() {
-                            match self.check_readiness(false) {
+                            match self.check_readiness(false, cx) {
                                 Ok(true) => {
                                     let guard = self.conns.get();
                                     let _ = self.services[msg.token.0]
@@ -300,7 +315,7 @@ impl Future for Worker {
                                 Ok(false) => {
                                     trace!("Worker is unavailable");
                                     self.state = WorkerState::Unavailable(conns);
-                                    return self.poll();
+                                    return self.poll(cx);
                                 }
                                 Err((token, idx)) => {
                                     trace!(
@@ -312,16 +327,16 @@ impl Future for Worker {
                                         token,
                                         self.factories[idx].create(),
                                     );
-                                    return self.poll();
+                                    return self.poll(cx);
                                 }
                             }
                         }
                         self.availability.set(true);
-                        return self.poll();
+                        return self.poll(cx);
                     }
                     Ok(false) => {
                         self.state = WorkerState::Unavailable(conns);
-                        return Ok(Async::NotReady);
+                        return Poll::Pending;
                     }
                     Err((token, idx)) => {
                         trace!(
@@ -330,13 +345,13 @@ impl Future for Worker {
                         );
                         self.state =
                             WorkerState::Restarting(idx, token, self.factories[idx].create());
-                        return self.poll();
+                        return self.poll(cx);
                     }
                 }
             }
             WorkerState::Restarting(idx, token, mut fut) => {
-                match fut.poll() {
-                    Ok(Async::Ready(item)) => {
+                match Pin::new(&mut fut).poll(cx) {
+                    Poll::Ready(Ok(item)) => {
                         for (token, service) in item {
                             trace!(
                                 "Service {:?} has been restarted",
@@ -346,55 +361,55 @@ impl Future for Worker {
                             self.state = WorkerState::Unavailable(Vec::new());
                         }
                     }
-                    Ok(Async::NotReady) => {
-                        self.state = WorkerState::Restarting(idx, token, fut);
-                        return Ok(Async::NotReady);
-                    }
-                    Err(_) => {
+                    Poll::Ready(Err(_)) => {
                         panic!(
                             "Can not restart {:?} service",
                             self.factories[idx].name(token)
                         );
                     }
+                    Poll::Pending => {
+                        self.state = WorkerState::Restarting(idx, token, fut);
+                        return Poll::Pending;
                     }
-                return self.poll();
+                }
+                return self.poll(cx);
             }
             WorkerState::Shutdown(mut t1, mut t2, tx) => {
                 let num = num_connections();
                 if num == 0 {
                     let _ = tx.send(true);
                     Arbiter::current().stop();
-                    return Ok(Async::Ready(()));
+                    return Poll::Ready(());
                 }
 
                 // check graceful timeout
-                match t2.poll().unwrap() {
-                    Async::NotReady => (),
-                    Async::Ready(_) => {
+                match Pin::new(&mut t2).poll(cx) {
+                    Poll::Pending => (),
+                    Poll::Ready(_) => {
                         self.shutdown(true);
                         let _ = tx.send(false);
                         Arbiter::current().stop();
-                        return Ok(Async::Ready(()));
+                        return Poll::Ready(());
                     }
                 }
 
                 // sleep for 1 second and then check again
-                match t1.poll().unwrap() {
-                    Async::NotReady => (),
-                    Async::Ready(_) => {
-                        t1 = sleep(time::Duration::from_secs(1));
-                        let _ = t1.poll();
+                match Pin::new(&mut t1).poll(cx) {
+                    Poll::Pending => (),
+                    Poll::Ready(_) => {
+                        t1 = delay(time::Instant::now() + time::Duration::from_secs(1));
+                        let _ = Pin::new(&mut t1).poll(cx);
                     }
                 }
                 self.state = WorkerState::Shutdown(t1, t2, tx);
-                return Ok(Async::NotReady);
+                return Poll::Pending;
             }
             WorkerState::Available => {
                 loop {
-                    match self.rx.poll() {
+                    match Pin::new(&mut self.rx).poll_next(cx) {
                         // handle incoming tcp stream
-                        Ok(Async::Ready(Some(WorkerCommand(msg)))) => {
-                            match self.check_readiness(false) {
+                        Poll::Ready(Some(WorkerCommand(msg))) => {
+                            match self.check_readiness(false, cx) {
                                 Ok(true) => {
                                     let guard = self.conns.get();
                                     let _ = self.services[msg.token.0]
@@ -422,13 +437,13 @@ impl Future for Worker {
                                     );
                                 }
                             }
-                            return self.poll();
+                            return self.poll(cx);
                         }
-                        Ok(Async::NotReady) => {
+                        Poll::Pending => {
                             self.state = WorkerState::Available;
-                            return Ok(Async::NotReady);
+                            return Poll::Pending;
                         }
-                        Ok(Async::Ready(None)) | Err(_) => return Ok(Async::Ready(())),
+                        Poll::Ready(None) => return Poll::Ready(()),
                     }
                 }
             }

actix-server/tests/test_server.rs

@@ -4,11 +4,11 @@ use std::{net, thread, time};
 
 use actix_codec::{BytesCodec, Framed};
 use actix_server::{Io, Server, ServerConfig};
-use actix_service::{new_service_cfg, service_fn, IntoService};
+use actix_service::{factory_fn_cfg, service_fn, service_fn2};
 use bytes::Bytes;
-use futures::{Future, Sink};
+use futures::{future::ok, SinkExt};
 use net2::TcpBuilder;
-use tokio_tcp::TcpStream;
+use tokio_net::tcp::TcpStream;
 
 fn unused_addr() -> net::SocketAddr {
     let addr: net::SocketAddr = "127.0.0.1:0".parse().unwrap();
@@ -28,9 +28,9 @@ fn test_bind() {
         let sys = actix_rt::System::new("test");
         let srv = Server::build()
             .bind("test", addr, move || {
-                new_service_cfg(move |cfg: &ServerConfig| {
+                factory_fn_cfg(move |cfg: &ServerConfig| {
                     assert_eq!(cfg.local_addr(), addr);
-                    Ok::<_, ()>((|_| Ok::<_, ()>(())).into_service())
+                    ok::<_, ()>(service_fn2(|_| ok::<_, ()>(())))
                 })
             })
             .unwrap()
@@ -54,7 +54,7 @@ fn test_bind_no_config() {
     let h = thread::spawn(move || {
         let sys = actix_rt::System::new("test");
         let srv = Server::build()
-            .bind("test", addr, move || service_fn(|_| Ok::<_, ()>(())))
+            .bind("test", addr, move || service_fn(|_| ok::<_, ()>(())))
             .unwrap()
             .start();
         let _ = tx.send((srv, actix_rt::System::current()));
@@ -76,9 +76,9 @@ fn test_listen() {
         let lst = net::TcpListener::bind(addr).unwrap();
         let srv = Server::build()
             .listen("test", lst, move || {
-                new_service_cfg(move |cfg: &ServerConfig| {
+                factory_fn_cfg(move |cfg: &ServerConfig| {
                     assert_eq!(cfg.local_addr(), addr);
-                    Ok::<_, ()>((|_| Ok::<_, ()>(())).into_service())
+                    ok::<_, ()>(service_fn2(|_| ok::<_, ()>(())))
                 })
             })
             .unwrap()
@@ -102,19 +102,21 @@ fn test_start() {
 
     let h = thread::spawn(move || {
         let sys = actix_rt::System::new("test");
-        let srv = Server::build()
+        let srv: Server = Server::build()
             .backlog(100)
             .bind("test", addr, move || {
-                new_service_cfg(move |cfg: &ServerConfig| {
+                factory_fn_cfg(move |cfg: &ServerConfig| {
                     assert_eq!(cfg.local_addr(), addr);
-                    Ok::<_, ()>(
-                        (|io: Io<TcpStream>| {
-                            Framed::new(io.into_parts().0, BytesCodec)
-                                .send(Bytes::from_static(b"test"))
-                                .then(|_| Ok::<_, ()>(()))
-                        })
-                        .into_service(),
-                    )
+
+                    let srv = service_fn2(|io: Io<TcpStream>| {
+                        async {
+                            let mut f = Framed::new(io.into_parts().0, BytesCodec);
+                            f.send(Bytes::from_static(b"test")).await.unwrap();
+                            Ok::<_, ()>(())
+                        }
+                    });
+
+                    ok::<_, ()>(srv)
                 })
             })
             .unwrap()
@@ -125,7 +127,7 @@ fn test_start() {
     });
     let (srv, sys) = rx.recv().unwrap();
 
-    let mut buf = [0u8; 4];
+    let mut buf = [1u8; 4];
     let mut conn = net::TcpStream::connect(addr).unwrap();
     let _ = conn.read_exact(&mut buf);
     assert_eq!(buf, b"test"[..]);

actix-service/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "actix-service"
-version = "0.4.2"
+version = "1.0.0-alpha.1"
 authors = ["Nikolay Kim <fafhrd91@gmail.com>"]
 description = "Actix Service"
 keywords = ["network", "framework", "async", "futures"]
@@ -23,7 +23,9 @@ name = "actix_service"
 path = "src/lib.rs"
 
 [dependencies]
-futures = "0.1.25"
+futures = "0.3.1"
+pin-project = "0.4.5"
 
 [dev-dependencies]
+tokio = "0.2.0-alpha.5"
 actix-rt = "0.2"

actix-service/src/and_then.rs

@@ -1,6 +1,10 @@
-use futures::{Async, Future, Poll};
+use std::future::Future;
+use std::pin::Pin;
+use std::task::{Context, Poll};
 
-use super::{IntoNewService, NewService, Service};
+use pin_project::pin_project;
+
+use super::{Service, ServiceFactory};
 use crate::cell::Cell;
 
 /// Service for the `and_then` combinator, chaining a computation onto the end
@@ -45,12 +49,12 @@ where
     type Error = A::Error;
     type Future = AndThenFuture<A, B>;
 
-    fn poll_ready(&mut self) -> Poll<(), Self::Error> {
-        let not_ready = self.a.poll_ready()?.is_not_ready();
-        if self.b.get_mut().poll_ready()?.is_not_ready() || not_ready {
-            Ok(Async::NotReady)
+    fn poll_ready(&mut self, cx: &mut Context<'_>) -> Poll<Result<(), Self::Error>> {
+        let not_ready = !self.a.poll_ready(cx)?.is_ready();
+        if !self.b.get_mut().poll_ready(cx)?.is_ready() || not_ready {
+            Poll::Pending
         } else {
-            Ok(Async::Ready(()))
+            Poll::Ready(Ok(()))
         }
     }
 
@@ -59,13 +63,16 @@ where
     }
 }
 
+#[pin_project]
 pub struct AndThenFuture<A, B>
 where
     A: Service,
     B: Service<Request = A::Response, Error = A::Error>,
 {
     b: Cell<B>,
+    #[pin]
     fut_b: Option<B::Future>,
+    #[pin]
     fut_a: Option<A::Future>,
 }
 
@@ -88,22 +95,33 @@ where
     A: Service,
     B: Service<Request = A::Response, Error = A::Error>,
 {
-    type Item = B::Response;
-    type Error = A::Error;
+    type Output = Result<B::Response, A::Error>;
 
-    fn poll(&mut self) -> Poll<Self::Item, Self::Error> {
-        if let Some(ref mut fut) = self.fut_b {
-            return fut.poll();
+    fn poll(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
+        let mut this = self.project();
+
+        loop {
+            let mut fut_a = this.fut_a.as_mut();
+            let mut fut_b = this.fut_b.as_mut();
+
+            if let Some(fut) = fut_b.as_mut().as_pin_mut() {
+                return fut.poll(cx);
             }
 
-        match self.fut_a.as_mut().expect("Bug in actix-service").poll() {
-            Ok(Async::Ready(resp)) => {
-                let _ = self.fut_a.take();
-                self.fut_b = Some(self.b.get_mut().call(resp));
-                self.poll()
+            match fut_a
+                .as_mut()
+                .as_pin_mut()
+                .expect("Bug in actix-service")
+                .poll(cx)
+            {
+                Poll::Ready(Ok(resp)) => {
+                    fut_a.set(None);
+                    let new_fut = this.b.get_mut().call(resp);
+                    fut_b.set(Some(new_fut));
+                }
+                Poll::Ready(Err(e)) => return Poll::Ready(Err(e)),
+                Poll::Pending => return Poll::Pending,
             }
-            Ok(Async::NotReady) => Ok(Async::NotReady),
-            Err(err) => Err(err),
         }
     }
 }
@@ -111,8 +129,8 @@ where
 /// `AndThenNewService` new service combinator
 pub struct AndThenNewService<A, B>
 where
-    A: NewService,
-    B: NewService,
+    A: ServiceFactory,
+    B: ServiceFactory,
 {
     a: A,
     b: B,
@@ -120,8 +138,8 @@ where
 
 impl<A, B> AndThenNewService<A, B>
 where
-    A: NewService,
-    B: NewService<
+    A: ServiceFactory,
+    B: ServiceFactory<
         Config = A::Config,
         Request = A::Response,
         Error = A::Error,
@@ -129,18 +147,15 @@ where
     >,
 {
     /// Create new `AndThen` combinator
-    pub fn new<F: IntoNewService<B>>(a: A, f: F) -> Self {
-        Self {
-            a,
-            b: f.into_new_service(),
-        }
+    pub fn new(a: A, b: B) -> Self {
+        Self { a, b }
     }
 }
 
-impl<A, B> NewService for AndThenNewService<A, B>
+impl<A, B> ServiceFactory for AndThenNewService<A, B>
 where
-    A: NewService,
-    B: NewService<
+    A: ServiceFactory,
+    B: ServiceFactory<
         Config = A::Config,
         Request = A::Response,
         Error = A::Error,
@@ -163,8 +178,8 @@ where
 
 impl<A, B> Clone for AndThenNewService<A, B>
 where
-    A: NewService + Clone,
-    B: NewService + Clone,
+    A: ServiceFactory + Clone,
+    B: ServiceFactory + Clone,
 {
     fn clone(&self) -> Self {
         Self {
@@ -174,21 +189,25 @@ where
     }
 }
 
+#[pin_project]
 pub struct AndThenNewServiceFuture<A, B>
 where
-    A: NewService,
-    B: NewService<Request = A::Response>,
+    A: ServiceFactory,
+    B: ServiceFactory<Request = A::Response>,
 {
+    #[pin]
     fut_b: B::Future,
+    #[pin]
     fut_a: A::Future,
+
     a: Option<A::Service>,
     b: Option<B::Service>,
 }
 
 impl<A, B> AndThenNewServiceFuture<A, B>
 where
-    A: NewService,
-    B: NewService<Request = A::Response>,
+    A: ServiceFactory,
+    B: ServiceFactory<Request = A::Response>,
 {
     fn new(fut_a: A::Future, fut_b: B::Future) -> Self {
         AndThenNewServiceFuture {
@@ -202,56 +221,55 @@ where
 
 impl<A, B> Future for AndThenNewServiceFuture<A, B>
 where
-    A: NewService,
-    B: NewService<Request = A::Response, Error = A::Error, InitError = A::InitError>,
+    A: ServiceFactory,
+    B: ServiceFactory<Request = A::Response, Error = A::Error, InitError = A::InitError>,
 {
-    type Item = AndThen<A::Service, B::Service>;
-    type Error = A::InitError;
+    type Output = Result<AndThen<A::Service, B::Service>, A::InitError>;
 
-    fn poll(&mut self) -> Poll<Self::Item, Self::Error> {
-        if self.a.is_none() {
-            if let Async::Ready(service) = self.fut_a.poll()? {
-                self.a = Some(service);
+    fn poll(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
+        let this = self.project();
+        if this.a.is_none() {
+            if let Poll::Ready(service) = this.fut_a.poll(cx)? {
+                *this.a = Some(service);
             }
         }
-
-        if self.b.is_none() {
-            if let Async::Ready(service) = self.fut_b.poll()? {
-                self.b = Some(service);
+        if this.b.is_none() {
+            if let Poll::Ready(service) = this.fut_b.poll(cx)? {
+                *this.b = Some(service);
             }
         }
-
-        if self.a.is_some() && self.b.is_some() {
-            Ok(Async::Ready(AndThen::new(
-                self.a.take().unwrap(),
-                self.b.take().unwrap(),
+        if this.a.is_some() && this.b.is_some() {
+            Poll::Ready(Ok(AndThen::new(
+                this.a.take().unwrap(),
+                this.b.take().unwrap(),
             )))
         } else {
-            Ok(Async::NotReady)
+            Poll::Pending
         }
     }
 }
 
 #[cfg(test)]
 mod tests {
-    use futures::future::{ok, FutureResult};
-    use futures::{Async, Poll};
     use std::cell::Cell;
     use std::rc::Rc;
+    use std::task::{Context, Poll};
 
-    use super::*;
-    use crate::{NewService, Service, ServiceExt};
+    use futures::future::{lazy, ok, ready, Ready};
+
+    use crate::{factory_fn, pipeline, pipeline_factory, Service, ServiceFactory};
 
     struct Srv1(Rc<Cell<usize>>);
+
     impl Service for Srv1 {
         type Request = &'static str;
         type Response = &'static str;
         type Error = ();
-        type Future = FutureResult<Self::Response, ()>;
+        type Future = Ready<Result<Self::Response, ()>>;
 
-        fn poll_ready(&mut self) -> Poll<(), Self::Error> {
+        fn poll_ready(&mut self, _: &mut Context<'_>) -> Poll<Result<(), Self::Error>> {
             self.0.set(self.0.get() + 1);
-            Ok(Async::Ready(()))
+            Poll::Ready(Ok(()))
         }
 
         fn call(&mut self, req: &'static str) -> Self::Future {
@@ -266,11 +284,11 @@ mod tests {
         type Request = &'static str;
         type Response = (&'static str, &'static str);
         type Error = ();
-        type Future = FutureResult<Self::Response, ()>;
+        type Future = Ready<Result<Self::Response, ()>>;
 
-        fn poll_ready(&mut self) -> Poll<(), Self::Error> {
+        fn poll_ready(&mut self, _: &mut Context) -> Poll<Result<(), Self::Error>> {
             self.0.set(self.0.get() + 1);
-            Ok(Async::Ready(()))
+            Poll::Ready(Ok(()))
         }
 
         fn call(&mut self, req: &'static str) -> Self::Future {
@@ -278,39 +296,35 @@ mod tests {
         }
     }
 
-    #[test]
-    fn test_poll_ready() {
+    #[tokio::test]
+    async fn test_poll_ready() {
         let cnt = Rc::new(Cell::new(0));
-        let mut srv = Srv1(cnt.clone()).and_then(Srv2(cnt.clone()));
-        let res = srv.poll_ready();
-        assert!(res.is_ok());
-        assert_eq!(res.unwrap(), Async::Ready(()));
+        let mut srv = pipeline(Srv1(cnt.clone())).and_then(Srv2(cnt.clone()));
+        let res = lazy(|cx| srv.poll_ready(cx)).await;
+        assert_eq!(res, Poll::Ready(Ok(())));
         assert_eq!(cnt.get(), 2);
     }
 
-    #[test]
-    fn test_call() {
+    #[tokio::test]
+    async fn test_call() {
         let cnt = Rc::new(Cell::new(0));
-        let mut srv = Srv1(cnt.clone()).and_then(Srv2(cnt));
-        let res = srv.call("srv1").poll();
+        let mut srv = pipeline(Srv1(cnt.clone())).and_then(Srv2(cnt));
+        let res = srv.call("srv1").await;
         assert!(res.is_ok());
-        assert_eq!(res.unwrap(), Async::Ready(("srv1", "srv2")));
+        assert_eq!(res.unwrap(), (("srv1", "srv2")));
     }
 
-    #[test]
-    fn test_new_service() {
+    #[tokio::test]
+    async fn test_new_service() {
         let cnt = Rc::new(Cell::new(0));
         let cnt2 = cnt.clone();
-        let blank = move || Ok::<_, ()>(Srv1(cnt2.clone()));
-        let new_srv = blank
-            .into_new_service()
-            .and_then(move || Ok(Srv2(cnt.clone())));
-        if let Async::Ready(mut srv) = new_srv.new_service(&()).poll().unwrap() {
-            let res = srv.call("srv1").poll();
+        let new_srv =
+            pipeline_factory(factory_fn(move || ready(Ok::<_, ()>(Srv1(cnt2.clone())))))
+                .and_then(move || ready(Ok(Srv2(cnt.clone()))));
+
+        let mut srv = new_srv.new_service(&()).await.unwrap();
+        let res = srv.call("srv1").await;
         assert!(res.is_ok());
-            assert_eq!(res.unwrap(), Async::Ready(("srv1", "srv2")));
-        } else {
-            panic!()
-        }
+        assert_eq!(res.unwrap(), ("srv1", "srv2"));
     }
 }

actix-service/src/and_then_apply.rs

@@ -1,186 +0,0 @@
-use std::rc::Rc;
-
-use futures::{Async, Future, Poll};
-
-use crate::and_then::AndThen;
-use crate::from_err::FromErr;
-use crate::{NewService, Transform};
-
-/// `Apply` new service combinator
-pub struct AndThenTransform<T, A, B> {
-    a: A,
-    b: B,
-    t: Rc<T>,
-}
-
-impl<T, A, B> AndThenTransform<T, A, B>
-where
-    A: NewService,
-    B: NewService<Config = A::Config, InitError = A::InitError>,
-    T: Transform<B::Service, Request = A::Response, InitError = A::InitError>,
-    T::Error: From<A::Error>,
-{
-    /// Create new `ApplyNewService` new service instance
-    pub fn new(t: T, a: A, b: B) -> Self {
-        Self {
-            a,
-            b,
-            t: Rc::new(t),
-        }
-    }
-}
-
-impl<T, A, B> Clone for AndThenTransform<T, A, B>
-where
-    A: Clone,
-    B: Clone,
-{
-    fn clone(&self) -> Self {
-        Self {
-            a: self.a.clone(),
-            b: self.b.clone(),
-            t: self.t.clone(),
-        }
-    }
-}
-
-impl<T, A, B> NewService for AndThenTransform<T, A, B>
-where
-    A: NewService,
-    B: NewService<Config = A::Config, InitError = A::InitError>,
-    T: Transform<B::Service, Request = A::Response, InitError = A::InitError>,
-    T::Error: From<A::Error>,
-{
-    type Request = A::Request;
-    type Response = T::Response;
-    type Error = T::Error;
-
-    type Config = A::Config;
-    type InitError = T::InitError;
-    type Service = AndThen<FromErr<A::Service, T::Error>, T::Transform>;
-    type Future = AndThenTransformFuture<T, A, B>;
-
-    fn new_service(&self, cfg: &A::Config) -> Self::Future {
-        AndThenTransformFuture {
-            a: None,
-            t: None,
-            t_cell: self.t.clone(),
-            fut_a: self.a.new_service(cfg),
-            fut_b: self.b.new_service(cfg),
-            fut_t: None,
-        }
-    }
-}
-
-pub struct AndThenTransformFuture<T, A, B>
-where
-    A: NewService,
-    B: NewService<InitError = A::InitError>,
-    T: Transform<B::Service, Request = A::Response, InitError = A::InitError>,
-    T::Error: From<A::Error>,
-{
-    fut_a: A::Future,
-    fut_b: B::Future,
-    fut_t: Option<T::Future>,
-    a: Option<A::Service>,
-    t: Option<T::Transform>,
-    t_cell: Rc<T>,
-}
-
-impl<T, A, B> Future for AndThenTransformFuture<T, A, B>
-where
-    A: NewService,
-    B: NewService<InitError = A::InitError>,
-    T: Transform<B::Service, Request = A::Response, InitError = A::InitError>,
-    T::Error: From<A::Error>,
-{
-    type Item = AndThen<FromErr<A::Service, T::Error>, T::Transform>;
-    type Error = T::InitError;
-
-    fn poll(&mut self) -> Poll<Self::Item, Self::Error> {
-        if self.fut_t.is_none() {
-            if let Async::Ready(service) = self.fut_b.poll()? {
-                self.fut_t = Some(self.t_cell.new_transform(service));
-            }
-        }
-
-        if self.a.is_none() {
-            if let Async::Ready(service) = self.fut_a.poll()? {
-                self.a = Some(service);
-            }
-        }
-
-        if let Some(ref mut fut) = self.fut_t {
-            if let Async::Ready(transform) = fut.poll()? {
-                self.t = Some(transform);
-            }
-        }
-
-        if self.a.is_some() && self.t.is_some() {
-            Ok(Async::Ready(AndThen::new(
-                FromErr::new(self.a.take().unwrap()),
-                self.t.take().unwrap(),
-            )))
-        } else {
-            Ok(Async::NotReady)
-        }
-    }
-}
-
-#[cfg(test)]
-mod tests {
-    use futures::future::{ok, FutureResult};
-    use futures::{Async, Future, Poll};
-
-    use crate::{IntoNewService, IntoService, NewService, Service, ServiceExt};
-
-    #[derive(Clone)]
-    struct Srv;
-    impl Service for Srv {
-        type Request = ();
-        type Response = ();
-        type Error = ();
-        type Future = FutureResult<(), ()>;
-
-        fn poll_ready(&mut self) -> Poll<(), Self::Error> {
-            Ok(Async::Ready(()))
-        }
-
-        fn call(&mut self, _: ()) -> Self::Future {
-            ok(())
-        }
-    }
-
-    #[test]
-    fn test_apply() {
-        let blank = |req| Ok(req);
-
-        let mut srv = blank
-            .into_service()
-            .apply_fn(Srv, |req: &'static str, srv: &mut Srv| {
-                srv.call(()).map(move |res| (req, res))
-            });
-        assert!(srv.poll_ready().is_ok());
-        let res = srv.call("srv").poll();
-        assert!(res.is_ok());
-        assert_eq!(res.unwrap(), Async::Ready(("srv", ())));
-    }
-
-    #[test]
-    fn test_new_service() {
-        let blank = || Ok::<_, ()>((|req| Ok(req)).into_service());
-
-        let new_srv = blank.into_new_service().apply(
-            |req: &'static str, srv: &mut Srv| srv.call(()).map(move |res| (req, res)),
-            || Ok(Srv),
-        );
-        if let Async::Ready(mut srv) = new_srv.new_service(&()).poll().unwrap() {
-            assert!(srv.poll_ready().is_ok());
-            let res = srv.call("srv").poll();
-            assert!(res.is_ok());
-            assert_eq!(res.unwrap(), Async::Ready(("srv", ())));
-        } else {
-            panic!()
-        }
-    }
-}

actix-service/src/and_then_apply_fn.rs

@@ -1,307 +0,0 @@
-use std::marker::PhantomData;
-
-use futures::{Async, Future, IntoFuture, Poll};
-
-use super::{IntoNewService, IntoService, NewService, Service};
-use crate::cell::Cell;
-
-/// `Apply` service combinator
-pub struct AndThenApply<A, B, F, Out>
-where
-    A: Service,
-    B: Service<Error = A::Error>,
-    F: FnMut(A::Response, &mut B) -> Out,
-    Out: IntoFuture,
-    Out::Error: Into<A::Error>,
-{
-    a: A,
-    b: Cell<B>,
-    f: Cell<F>,
-    r: PhantomData<(Out,)>,
-}
-
-impl<A, B, F, Out> AndThenApply<A, B, F, Out>
-where
-    A: Service,
-    B: Service<Error = A::Error>,
-    F: FnMut(A::Response, &mut B) -> Out,
-    Out: IntoFuture,
-    Out::Error: Into<A::Error>,
-{
-    /// Create new `Apply` combinator
-    pub fn new<A1: IntoService<A>, B1: IntoService<B>>(a: A1, b: B1, f: F) -> Self {
-        Self {
-            f: Cell::new(f),
-            a: a.into_service(),
-            b: Cell::new(b.into_service()),
-            r: PhantomData,
-        }
-    }
-}
-
-impl<A, B, F, Out> Clone for AndThenApply<A, B, F, Out>
-where
-    A: Service + Clone,
-    B: Service<Error = A::Error>,
-    F: FnMut(A::Response, &mut B) -> Out,
-    Out: IntoFuture,
-    Out::Error: Into<A::Error>,
-{
-    fn clone(&self) -> Self {
-        AndThenApply {
-            a: self.a.clone(),
-            b: self.b.clone(),
-            f: self.f.clone(),
-            r: PhantomData,
-        }
-    }
-}
-
-impl<A, B, F, Out> Service for AndThenApply<A, B, F, Out>
-where
-    A: Service,
-    B: Service<Error = A::Error>,
-    F: FnMut(A::Response, &mut B) -> Out,
-    Out: IntoFuture,
-    Out::Error: Into<A::Error>,
-{
-    type Request = A::Request;
-    type Response = Out::Item;
-    type Error = A::Error;
-    type Future = AndThenApplyFuture<A, B, F, Out>;
-
-    fn poll_ready(&mut self) -> Poll<(), Self::Error> {
-        let not_ready = self.a.poll_ready()?.is_not_ready();
-        if self.b.get_mut().poll_ready()?.is_not_ready() || not_ready {
-            Ok(Async::NotReady)
-        } else {
-            Ok(Async::Ready(()))
-        }
-    }
-
-    fn call(&mut self, req: A::Request) -> Self::Future {
-        AndThenApplyFuture {
-            b: self.b.clone(),
-            f: self.f.clone(),
-            fut_b: None,
-            fut_a: Some(self.a.call(req)),
-        }
-    }
-}
-
-pub struct AndThenApplyFuture<A, B, F, Out>
-where
-    A: Service,
-    B: Service<Error = A::Error>,
-    F: FnMut(A::Response, &mut B) -> Out,
-    Out: IntoFuture,
-    Out::Error: Into<A::Error>,
-{
-    b: Cell<B>,
-    f: Cell<F>,
-    fut_a: Option<A::Future>,
-    fut_b: Option<Out::Future>,
-}
-
-impl<A, B, F, Out> Future for AndThenApplyFuture<A, B, F, Out>
-where
-    A: Service,
-    B: Service<Error = A::Error>,
-    F: FnMut(A::Response, &mut B) -> Out,
-    Out: IntoFuture,
-    Out::Error: Into<A::Error>,
-{
-    type Item = Out::Item;
-    type Error = A::Error;
-
-    fn poll(&mut self) -> Poll<Self::Item, Self::Error> {
-        if let Some(ref mut fut) = self.fut_b {
-            return fut.poll().map_err(|e| e.into());
-        }
-
-        match self.fut_a.as_mut().expect("Bug in actix-service").poll() {
-            Ok(Async::Ready(resp)) => {
-                let _ = self.fut_a.take();
-                self.fut_b =
-                    Some((&mut *self.f.get_mut())(resp, self.b.get_mut()).into_future());
-                self.poll()
-            }
-            Ok(Async::NotReady) => Ok(Async::NotReady),
-            Err(err) => Err(err),
-        }
-    }
-}
-
-/// `ApplyNewService` new service combinator
-pub struct AndThenApplyNewService<A, B, F, Out> {
-    a: A,
-    b: B,
-    f: Cell<F>,
-    r: PhantomData<Out>,
-}
-
-impl<A, B, F, Out> AndThenApplyNewService<A, B, F, Out>
-where
-    A: NewService,
-    B: NewService<Config = A::Config, Error = A::Error, InitError = A::InitError>,
-    F: FnMut(A::Response, &mut B::Service) -> Out,
-    Out: IntoFuture,
-    Out::Error: Into<A::Error>,
-{
-    /// Create new `ApplyNewService` new service instance
-    pub fn new<A1: IntoNewService<A>, B1: IntoNewService<B>>(a: A1, b: B1, f: F) -> Self {
-        Self {
-            f: Cell::new(f),
-            a: a.into_new_service(),
-            b: b.into_new_service(),
-            r: PhantomData,
-        }
-    }
-}
-
-impl<A, B, F, Out> Clone for AndThenApplyNewService<A, B, F, Out>
-where
-    A: Clone,
-    B: Clone,
-{
-    fn clone(&self) -> Self {
-        Self {
-            a: self.a.clone(),
-            b: self.b.clone(),
-            f: self.f.clone(),
-            r: PhantomData,
-        }
-    }
-}
-
-impl<A, B, F, Out> NewService for AndThenApplyNewService<A, B, F, Out>
-where
-    A: NewService,
-    B: NewService<Config = A::Config, Error = A::Error, InitError = A::InitError>,
-    F: FnMut(A::Response, &mut B::Service) -> Out,
-    Out: IntoFuture,
-    Out::Error: Into<A::Error>,
-{
-    type Request = A::Request;
-    type Response = Out::Item;
-    type Error = A::Error;
-    type Service = AndThenApply<A::Service, B::Service, F, Out>;
-    type Config = A::Config;
-    type InitError = A::InitError;
-    type Future = AndThenApplyNewServiceFuture<A, B, F, Out>;
-
-    fn new_service(&self, cfg: &A::Config) -> Self::Future {
-        AndThenApplyNewServiceFuture {
-            a: None,
-            b: None,
-            f: self.f.clone(),
-            fut_a: self.a.new_service(cfg).into_future(),
-            fut_b: self.b.new_service(cfg).into_future(),
-        }
-    }
-}
-
-pub struct AndThenApplyNewServiceFuture<A, B, F, Out>
-where
-    A: NewService,
-    B: NewService<Error = A::Error, InitError = A::InitError>,
-    F: FnMut(A::Response, &mut B::Service) -> Out,
-    Out: IntoFuture,
-    Out::Error: Into<A::Error>,
-{
-    fut_b: B::Future,
-    fut_a: A::Future,
-    f: Cell<F>,
-    a: Option<A::Service>,
-    b: Option<B::Service>,
-}
-
-impl<A, B, F, Out> Future for AndThenApplyNewServiceFuture<A, B, F, Out>
-where
-    A: NewService,
-    B: NewService<Error = A::Error, InitError = A::InitError>,
-    F: FnMut(A::Response, &mut B::Service) -> Out,
-    Out: IntoFuture,
-    Out::Error: Into<A::Error>,
-{
-    type Item = AndThenApply<A::Service, B::Service, F, Out>;
-    type Error = A::InitError;
-
-    fn poll(&mut self) -> Poll<Self::Item, Self::Error> {
-        if self.a.is_none() {
-            if let Async::Ready(service) = self.fut_a.poll()? {
-                self.a = Some(service);
-            }
-        }
-
-        if self.b.is_none() {
-            if let Async::Ready(service) = self.fut_b.poll()? {
-                self.b = Some(service);
-            }
-        }
-
-        if self.a.is_some() && self.b.is_some() {
-            Ok(Async::Ready(AndThenApply {
-                f: self.f.clone(),
-                a: self.a.take().unwrap(),
-                b: Cell::new(self.b.take().unwrap()),
-                r: PhantomData,
-            }))
-        } else {
-            Ok(Async::NotReady)
-        }
-    }
-}
-
-#[cfg(test)]
-mod tests {
-    use futures::future::{ok, FutureResult};
-    use futures::{Async, Future, Poll};
-
-    use crate::blank::{Blank, BlankNewService};
-    use crate::{NewService, Service, ServiceExt};
-
-    #[derive(Clone)]
-    struct Srv;
-    impl Service for Srv {
-        type Request = ();
-        type Response = ();
-        type Error = ();
-        type Future = FutureResult<(), ()>;
-
-        fn poll_ready(&mut self) -> Poll<(), Self::Error> {
-            Ok(Async::Ready(()))
-        }
-
-        fn call(&mut self, _: ()) -> Self::Future {
-            ok(())
-        }
-    }
-
-    #[test]
-    fn test_call() {
-        let mut srv = Blank::new().apply_fn(Srv, |req: &'static str, srv| {
-            srv.call(()).map(move |res| (req, res))
-        });
-        assert!(srv.poll_ready().is_ok());
-        let res = srv.call("srv").poll();
-        assert!(res.is_ok());
-        assert_eq!(res.unwrap(), Async::Ready(("srv", ())));
-    }
-
-    #[test]
-    fn test_new_service() {
-        let new_srv = BlankNewService::new_unit().apply_fn(
-            || Ok(Srv),
-            |req: &'static str, srv| srv.call(()).map(move |res| (req, res)),
-        );
-        if let Async::Ready(mut srv) = new_srv.new_service(&()).poll().unwrap() {
-            assert!(srv.poll_ready().is_ok());
-            let res = srv.call("srv").poll();
-            assert!(res.is_ok());
-            assert_eq!(res.unwrap(), Async::Ready(("srv", ())));
-        } else {
-            panic!()
-        }
-    }
-}

actix-service/src/apply.rs

@@ -1,175 +1,158 @@
+use pin_project::pin_project;
+use std::future::Future;
 use std::marker::PhantomData;
+use std::pin::Pin;
+use std::task::{Context, Poll};
 
-use futures::{Async, Future, IntoFuture, Poll};
-
-use super::{IntoNewService, IntoService, NewService, Service};
+use super::{IntoService, IntoServiceFactory, Service, ServiceFactory};
 
 /// Apply tranform function to a service
-pub fn apply_fn<T, F, In, Out, U>(service: U, f: F) -> Apply<T, F, In, Out>
+pub fn apply_fn<T, F, R, In, Out, Err, U>(
+    service: U,
+    f: F,
+) -> impl Service<Request = In, Response = Out, Error = Err>
 where
-    T: Service,
-    F: FnMut(In, &mut T) -> Out,
-    Out: IntoFuture,
-    Out::Error: From<T::Error>,
+    T: Service<Error = Err>,
+    F: FnMut(In, &mut T) -> R,
+    R: Future<Output = Result<Out, Err>>,
     U: IntoService<T>,
 {
     Apply::new(service.into_service(), f)
 }
 
 /// Create factory for `apply` service.
-pub fn new_apply_fn<T, F, In, Out, U>(service: U, f: F) -> ApplyNewService<T, F, In, Out>
+pub fn apply_fn_factory<T, F, R, In, Out, Err, U>(
+    service: U,
+    f: F,
+) -> impl ServiceFactory<
+    Config = T::Config,
+    Request = In,
+    Response = Out,
+    Error = Err,
+    InitError = T::InitError,
+>
 where
-    T: NewService,
-    F: FnMut(In, &mut T::Service) -> Out + Clone,
-    Out: IntoFuture,
-    Out::Error: From<T::Error>,
-    U: IntoNewService<T>,
+    T: ServiceFactory<Error = Err>,
+    F: FnMut(In, &mut T::Service) -> R + Clone,
+    R: Future<Output = Result<Out, Err>>,
+    U: IntoServiceFactory<T>,
 {
-    ApplyNewService::new(service.into_new_service(), f)
+    ApplyNewService::new(service.into_factory(), f)
 }
 
 #[doc(hidden)]
 /// `Apply` service combinator
-pub struct Apply<T, F, In, Out>
+#[pin_project]
+struct Apply<T, F, R, In, Out, Err>
 where
-    T: Service,
+    T: Service<Error = Err>,
 {
+    #[pin]
     service: T,
     f: F,
-    r: PhantomData<(In, Out)>,
+    r: PhantomData<(In, Out, R)>,
 }
 
-impl<T, F, In, Out> Apply<T, F, In, Out>
+impl<T, F, R, In, Out, Err> Apply<T, F, R, In, Out, Err>
 where
-    T: Service,
-    F: FnMut(In, &mut T) -> Out,
-    Out: IntoFuture,
-    Out::Error: From<T::Error>,
+    T: Service<Error = Err>,
+    F: FnMut(In, &mut T) -> R,
+    R: Future<Output = Result<Out, Err>>,
 {
     /// Create new `Apply` combinator
-    pub(crate) fn new<I: IntoService<T>>(service: I, f: F) -> Self {
+    fn new(service: T, f: F) -> Self {
         Self {
-            service: service.into_service(),
+            service,
             f,
             r: PhantomData,
         }
     }
 }
 
-impl<T, F, In, Out> Clone for Apply<T, F, In, Out>
+impl<T, F, R, In, Out, Err> Service for Apply<T, F, R, In, Out, Err>
 where
-    T: Service + Clone,
-    F: Clone,
-{
-    fn clone(&self) -> Self {
-        Apply {
-            service: self.service.clone(),
-            f: self.f.clone(),
-            r: PhantomData,
-        }
-    }
-}
-
-impl<T, F, In, Out> Service for Apply<T, F, In, Out>
-where
-    T: Service,
-    F: FnMut(In, &mut T) -> Out,
-    Out: IntoFuture,
-    Out::Error: From<T::Error>,
+    T: Service<Error = Err>,
+    F: FnMut(In, &mut T) -> R,
+    R: Future<Output = Result<Out, Err>>,
 {
     type Request = In;
-    type Response = Out::Item;
-    type Error = Out::Error;
-    type Future = Out::Future;
+    type Response = Out;
+    type Error = Err;
+    type Future = R;
 
-    fn poll_ready(&mut self) -> Poll<(), Self::Error> {
-        self.service.poll_ready().map_err(|e| e.into())
+    fn poll_ready(&mut self, ctx: &mut Context<'_>) -> Poll<Result<(), Self::Error>> {
+        Poll::Ready(futures::ready!(self.service.poll_ready(ctx)))
     }
 
     fn call(&mut self, req: In) -> Self::Future {
-        (self.f)(req, &mut self.service).into_future()
+        (self.f)(req, &mut self.service)
     }
 }
 
 /// `ApplyNewService` new service combinator
-pub struct ApplyNewService<T, F, In, Out>
+struct ApplyNewService<T, F, R, In, Out, Err>
 where
-    T: NewService,
+    T: ServiceFactory<Error = Err>,
 {
     service: T,
     f: F,
-    r: PhantomData<(In, Out)>,
+    r: PhantomData<(R, In, Out)>,
 }
 
-impl<T, F, In, Out> ApplyNewService<T, F, In, Out>
+impl<T, F, R, In, Out, Err> ApplyNewService<T, F, R, In, Out, Err>
 where
-    T: NewService,
-    F: FnMut(In, &mut T::Service) -> Out + Clone,
-    Out: IntoFuture,
-    Out::Error: From<T::Error>,
+    T: ServiceFactory<Error = Err>,
+    F: FnMut(In, &mut T::Service) -> R + Clone,
+    R: Future<Output = Result<Out, Err>>,
 {
     /// Create new `ApplyNewService` new service instance
-    pub(crate) fn new<F1: IntoNewService<T>>(service: F1, f: F) -> Self {
+    fn new(service: T, f: F) -> Self {
         Self {
             f,
-            service: service.into_new_service(),
+            service,
             r: PhantomData,
         }
     }
 }
 
-impl<T, F, In, Out> Clone for ApplyNewService<T, F, In, Out>
+impl<T, F, R, In, Out, Err> ServiceFactory for ApplyNewService<T, F, R, In, Out, Err>
 where
-    T: NewService + Clone,
-    F: FnMut(In, &mut T::Service) -> Out + Clone,
-    Out: IntoFuture,
-{
-    fn clone(&self) -> Self {
-        Self {
-            service: self.service.clone(),
-            f: self.f.clone(),
-            r: PhantomData,
-        }
-    }
-}
-
-impl<T, F, In, Out> NewService for ApplyNewService<T, F, In, Out>
-where
-    T: NewService,
-    F: FnMut(In, &mut T::Service) -> Out + Clone,
-    Out: IntoFuture,
-    Out::Error: From<T::Error>,
+    T: ServiceFactory<Error = Err>,
+    F: FnMut(In, &mut T::Service) -> R + Clone,
+    R: Future<Output = Result<Out, Err>>,
 {
     type Request = In;
-    type Response = Out::Item;
-    type Error = Out::Error;
+    type Response = Out;
+    type Error = Err;
 
     type Config = T::Config;
-    type Service = Apply<T::Service, F, In, Out>;
+    type Service = Apply<T::Service, F, R, In, Out, Err>;
     type InitError = T::InitError;
-    type Future = ApplyNewServiceFuture<T, F, In, Out>;
+    type Future = ApplyNewServiceFuture<T, F, R, In, Out, Err>;
 
     fn new_service(&self, cfg: &T::Config) -> Self::Future {
         ApplyNewServiceFuture::new(self.service.new_service(cfg), self.f.clone())
     }
 }
 
-pub struct ApplyNewServiceFuture<T, F, In, Out>
+#[pin_project]
+struct ApplyNewServiceFuture<T, F, R, In, Out, Err>
 where
-    T: NewService,
-    F: FnMut(In, &mut T::Service) -> Out + Clone,
-    Out: IntoFuture,
+    T: ServiceFactory<Error = Err>,
+    F: FnMut(In, &mut T::Service) -> R + Clone,
+    R: Future<Output = Result<Out, Err>>,
 {
+    #[pin]
     fut: T::Future,
     f: Option<F>,
     r: PhantomData<(In, Out)>,
 }
 
-impl<T, F, In, Out> ApplyNewServiceFuture<T, F, In, Out>
+impl<T, F, R, In, Out, Err> ApplyNewServiceFuture<T, F, R, In, Out, Err>
 where
-    T: NewService,
-    F: FnMut(In, &mut T::Service) -> Out + Clone,
-    Out: IntoFuture,
+    T: ServiceFactory<Error = Err>,
+    F: FnMut(In, &mut T::Service) -> R + Clone,
+    R: Future<Output = Result<Out, Err>>,
 {
     fn new(fut: T::Future, f: F) -> Self {
         ApplyNewServiceFuture {
@@ -180,43 +163,44 @@ where
     }
 }
 
-impl<T, F, In, Out> Future for ApplyNewServiceFuture<T, F, In, Out>
+impl<T, F, R, In, Out, Err> Future for ApplyNewServiceFuture<T, F, R, In, Out, Err>
 where
-    T: NewService,
-    F: FnMut(In, &mut T::Service) -> Out + Clone,
-    Out: IntoFuture,
-    Out::Error: From<T::Error>,
+    T: ServiceFactory<Error = Err>,
+    F: FnMut(In, &mut T::Service) -> R + Clone,
+    R: Future<Output = Result<Out, Err>>,
 {
-    type Item = Apply<T::Service, F, In, Out>;
-    type Error = T::InitError;
+    type Output = Result<Apply<T::Service, F, R, In, Out, Err>, T::InitError>;
 
-    fn poll(&mut self) -> Poll<Self::Item, Self::Error> {
-        if let Async::Ready(service) = self.fut.poll()? {
-            Ok(Async::Ready(Apply::new(service, self.f.take().unwrap())))
+    fn poll(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
+        let this = self.project();
+        if let Poll::Ready(svc) = this.fut.poll(cx)? {
+            Poll::Ready(Ok(Apply::new(svc, this.f.take().unwrap())))
         } else {
-            Ok(Async::NotReady)
+            Poll::Pending
         }
     }
 }
 
 #[cfg(test)]
 mod tests {
-    use futures::future::{ok, FutureResult};
-    use futures::{Async, Future, Poll};
+    use std::task::{Context, Poll};
+
+    use futures::future::{lazy, ok, Ready};
 
     use super::*;
-    use crate::{IntoService, NewService, Service, ServiceExt};
+    use crate::{pipeline, pipeline_factory, Service, ServiceFactory};
 
     #[derive(Clone)]
     struct Srv;
+
     impl Service for Srv {
         type Request = ();
         type Response = ();
         type Error = ();
-        type Future = FutureResult<(), ()>;
+        type Future = Ready<Result<(), ()>>;
 
-        fn poll_ready(&mut self) -> Poll<(), Self::Error> {
-            Ok(Async::Ready(()))
+        fn poll_ready(&mut self, _: &mut Context) -> Poll<Result<(), Self::Error>> {
+            Poll::Ready(Ok(()))
         }
 
         fn call(&mut self, _: ()) -> Self::Future {
@@ -224,34 +208,42 @@ mod tests {
         }
     }
 
-    #[test]
-    fn test_call() {
-        let blank = |req| Ok(req);
+    #[tokio::test]
+    async fn test_call() {
+        let mut srv = pipeline(apply_fn(Srv, |req: &'static str, srv| {
+            let fut = srv.call(());
+            async move {
+                let res = fut.await.unwrap();
+                Ok((req, res))
+            }
+        }));
 
-        let mut srv = blank
-            .into_service()
-            .apply_fn(Srv, |req: &'static str, srv| {
-                srv.call(()).map(move |res| (req, res))
-            });
-        assert!(srv.poll_ready().is_ok());
-        let res = srv.call("srv").poll();
+        assert_eq!(lazy(|cx| srv.poll_ready(cx)).await, Poll::Ready(Ok(())));
+
+        let res = srv.call("srv").await;
         assert!(res.is_ok());
-        assert_eq!(res.unwrap(), Async::Ready(("srv", ())));
+        assert_eq!(res.unwrap(), (("srv", ())));
     }
 
-    #[test]
-    fn test_new_service() {
-        let new_srv = ApplyNewService::new(
-            || Ok::<_, ()>(Srv),
-            |req: &'static str, srv| srv.call(()).map(move |res| (req, res)),
-        );
-        if let Async::Ready(mut srv) = new_srv.new_service(&()).poll().unwrap() {
-            assert!(srv.poll_ready().is_ok());
-            let res = srv.call("srv").poll();
-            assert!(res.is_ok());
-            assert_eq!(res.unwrap(), Async::Ready(("srv", ())));
-        } else {
-            panic!()
+    #[tokio::test]
+    async fn test_new_service() {
+        let new_srv = pipeline_factory(apply_fn_factory(
+            || ok::<_, ()>(Srv),
+            |req: &'static str, srv| {
+                let fut = srv.call(());
+                async move {
+                    let res = fut.await.unwrap();
+                    Ok((req, res))
                 }
+            },
+        ));
+
+        let mut srv = new_srv.new_service(&()).await.unwrap();
+
+        assert_eq!(lazy(|cx| srv.poll_ready(cx)).await, Poll::Ready(Ok(())));
+
+        let res = srv.call("srv").await;
+        assert!(res.is_ok());
+        assert_eq!(res.unwrap(), (("srv", ())));
     }
 }

actix-service/src/apply_cfg.rs

@@ -1,43 +1,45 @@
+use std::future::Future;
 use std::marker::PhantomData;
+use std::pin::Pin;
+use std::task::{Context, Poll};
 
-use futures::future::Future;
-use futures::{try_ready, Async, IntoFuture, Poll};
+use futures::ready;
+use pin_project::pin_project;
 
 use crate::cell::Cell;
-use crate::{IntoService, NewService, Service};
+use crate::{IntoService, Service, ServiceFactory};
 
 /// Convert `Fn(&Config, &mut Service) -> Future<Service>` fn to a NewService
-pub fn apply_cfg<F, C, T, R, S>(
+pub fn apply_cfg<F, C, T, R, S, E>(
     srv: T,
     f: F,
-) -> impl NewService<
+) -> impl ServiceFactory<
     Config = C,
     Request = S::Request,
     Response = S::Response,
     Error = S::Error,
     Service = S,
-    InitError = R::Error,
+    InitError = E,
 > + Clone
 where
     F: FnMut(&C, &mut T) -> R,
     T: Service,
-    R: IntoFuture,
-    R::Item: IntoService<S>,
+    R: Future<Output = Result<S, E>>,
     S: Service,
 {
     ApplyConfigService {
         f: Cell::new(f),
-        srv: Cell::new(srv.into_service()),
+        srv: Cell::new(srv),
         _t: PhantomData,
     }
 }
 
 /// Convert `Fn(&Config, &mut Service) -> Future<Service>` fn to a NewService
 /// Service get constructor from NewService.
-pub fn new_apply_cfg<F, C, T, R, S>(
+pub fn apply_cfg_factory<F, C, T, R, S>(
     srv: T,
     f: F,
-) -> impl NewService<
+) -> impl ServiceFactory<
     Config = C,
     Request = S::Request,
     Response = S::Response,
@@ -48,10 +50,9 @@ pub fn new_apply_cfg<F, C, T, R, S>(
 where
     C: Clone,
     F: FnMut(&C, &mut T::Service) -> R,
-    T: NewService<Config = ()>,
+    T: ServiceFactory<Config = ()>,
     T::InitError: From<T::Error>,
-    R: IntoFuture<Error = T::InitError>,
-    R::Item: IntoService<S>,
+    R: Future<Output = Result<S, T::InitError>>,
     S: Service,
 {
     ApplyConfigNewService {
@@ -61,26 +62,26 @@ where
     }
 }
 
-/// Convert `Fn(&Config) -> Future<Service>` fn to NewService
-struct ApplyConfigService<F, C, T, R, S>
+/// Convert `Fn(&Config) -> Future<Service>` fn to NewService\
+#[pin_project]
+struct ApplyConfigService<F, C, T, R, S, E>
 where
     F: FnMut(&C, &mut T) -> R,
     T: Service,
-    R: IntoFuture,
-    R::Item: IntoService<S>,
+    R: Future<Output = Result<S, E>>,
     S: Service,
 {
     f: Cell<F>,
+    #[pin]
     srv: Cell<T>,
     _t: PhantomData<(C, R, S)>,
 }
 
-impl<F, C, T, R, S> Clone for ApplyConfigService<F, C, T, R, S>
+impl<F, C, T, R, S, E> Clone for ApplyConfigService<F, C, T, R, S, E>
 where
     F: FnMut(&C, &mut T) -> R,
     T: Service,
-    R: IntoFuture,
-    R::Item: IntoService<S>,
+    R: Future<Output = Result<S, E>>,
     S: Service,
 {
     fn clone(&self) -> Self {
@@ -92,12 +93,11 @@ where
     }
 }
 
-impl<F, C, T, R, S> NewService for ApplyConfigService<F, C, T, R, S>
+impl<F, C, T, R, S, E> ServiceFactory for ApplyConfigService<F, C, T, R, S, E>
 where
     F: FnMut(&C, &mut T) -> R,
     T: Service,
-    R: IntoFuture,
-    R::Item: IntoService<S>,
+    R: Future<Output = Result<S, E>>,
     S: Service,
 {
     type Config = C;
@@ -106,39 +106,37 @@ where
     type Error = S::Error;
     type Service = S;
 
-    type InitError = R::Error;
-    type Future = FnNewServiceConfigFut<R, S>;
+    type InitError = E;
+    type Future = FnNewServiceConfigFut<R, S, E>;
 
     fn new_service(&self, cfg: &C) -> Self::Future {
         FnNewServiceConfigFut {
-            fut: unsafe { (self.f.get_mut_unsafe())(cfg, self.srv.get_mut_unsafe()) }
-                .into_future(),
+            fut: unsafe { (self.f.get_mut_unsafe())(cfg, self.srv.get_mut_unsafe()) },
             _t: PhantomData,
         }
     }
 }
 
-struct FnNewServiceConfigFut<R, S>
+#[pin_project]
+struct FnNewServiceConfigFut<R, S, E>
 where
-    R: IntoFuture,
-    R::Item: IntoService<S>,
+    R: Future<Output = Result<S, E>>,
     S: Service,
 {
-    fut: R::Future,
+    #[pin]
+    fut: R,
     _t: PhantomData<(S,)>,
 }
 
-impl<R, S> Future for FnNewServiceConfigFut<R, S>
+impl<R, S, E> Future for FnNewServiceConfigFut<R, S, E>
 where
-    R: IntoFuture,
-    R::Item: IntoService<S>,
+    R: Future<Output = Result<S, E>>,
     S: Service,
 {
-    type Item = S;
-    type Error = R::Error;
+    type Output = Result<S, E>;
 
-    fn poll(&mut self) -> Poll<Self::Item, Self::Error> {
-        Ok(Async::Ready(try_ready!(self.fut.poll()).into_service()))
+    fn poll(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
+        Poll::Ready(Ok(ready!(self.project().fut.poll(cx))?.into_service()))
     }
 }
 
@@ -147,9 +145,8 @@ struct ApplyConfigNewService<F, C, T, R, S>
 where
     C: Clone,
     F: FnMut(&C, &mut T::Service) -> R,
-    T: NewService<Config = ()>,
-    R: IntoFuture<Error = T::InitError>,
-    R::Item: IntoService<S>,
+    T: ServiceFactory<Config = ()>,
+    R: Future<Output = Result<S, T::InitError>>,
     S: Service,
 {
     f: Cell<F>,
@@ -161,9 +158,8 @@ impl<F, C, T, R, S> Clone for ApplyConfigNewService<F, C, T, R, S>
 where
     C: Clone,
     F: FnMut(&C, &mut T::Service) -> R,
-    T: NewService<Config = ()>,
-    R: IntoFuture<Error = T::InitError>,
-    R::Item: IntoService<S>,
+    T: ServiceFactory<Config = ()>,
+    R: Future<Output = Result<S, T::InitError>>,
     S: Service,
 {
     fn clone(&self) -> Self {
@@ -175,14 +171,13 @@ where
     }
 }
 
-impl<F, C, T, R, S> NewService for ApplyConfigNewService<F, C, T, R, S>
+impl<F, C, T, R, S> ServiceFactory for ApplyConfigNewService<F, C, T, R, S>
 where
     C: Clone,
     F: FnMut(&C, &mut T::Service) -> R,
-    T: NewService<Config = ()>,
+    T: ServiceFactory<Config = ()>,
     T::InitError: From<T::Error>,
-    R: IntoFuture<Error = T::InitError>,
-    R::Item: IntoService<S>,
+    R: Future<Output = Result<S, T::InitError>>,
     S: Service,
 {
     type Config = C;
@@ -191,7 +186,7 @@ where
     type Error = S::Error;
     type Service = S;
 
-    type InitError = R::Error;
+    type InitError = T::InitError;
     type Future = ApplyConfigNewServiceFut<F, C, T, R, S>;
 
     fn new_service(&self, cfg: &C) -> Self::Future {
@@ -206,21 +201,23 @@ where
     }
 }
 
+#[pin_project]
 struct ApplyConfigNewServiceFut<F, C, T, R, S>
 where
     C: Clone,
     F: FnMut(&C, &mut T::Service) -> R,
-    T: NewService<Config = ()>,
+    T: ServiceFactory<Config = ()>,
     T::InitError: From<T::Error>,
-    R: IntoFuture<Error = T::InitError>,
-    R::Item: IntoService<S>,
+    R: Future<Output = Result<S, T::InitError>>,
     S: Service,
 {
     cfg: C,
     f: Cell<F>,
     srv: Option<T::Service>,
+    #[pin]
     srv_fut: Option<T::Future>,
-    fut: Option<R::Future>,
+    #[pin]
+    fut: Option<R>,
     _t: PhantomData<(S,)>,
 }
 
@@ -228,39 +225,40 @@ impl<F, C, T, R, S> Future for ApplyConfigNewServiceFut<F, C, T, R, S>
 where
     C: Clone,
     F: FnMut(&C, &mut T::Service) -> R,
-    T: NewService<Config = ()>,
+    T: ServiceFactory<Config = ()>,
     T::InitError: From<T::Error>,
-    R: IntoFuture<Error = T::InitError>,
-    R::Item: IntoService<S>,
+    R: Future<Output = Result<S, T::InitError>>,
     S: Service,
 {
-    type Item = S;
-    type Error = R::Error;
+    type Output = Result<S, T::InitError>;
 
-    fn poll(&mut self) -> Poll<Self::Item, Self::Error> {
-        if let Some(ref mut fut) = self.srv_fut {
-            match fut.poll()? {
-                Async::NotReady => return Ok(Async::NotReady),
-                Async::Ready(srv) => {
-                    let _ = self.srv_fut.take();
-                    self.srv = Some(srv);
-                    return self.poll();
+    fn poll(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
+        let mut this = self.project();
+        'poll: loop {
+            if let Some(fut) = this.srv_fut.as_mut().as_pin_mut() {
+                match fut.poll(cx)? {
+                    Poll::Pending => return Poll::Pending,
+                    Poll::Ready(srv) => {
+                        this.srv_fut.set(None);
+                        *this.srv = Some(srv);
+                        continue 'poll;
                     }
                 }
             }
 
-        if let Some(ref mut fut) = self.fut {
-            Ok(Async::Ready(try_ready!(fut.poll()).into_service()))
-        } else if let Some(ref mut srv) = self.srv {
-            match srv.poll_ready()? {
-                Async::NotReady => Ok(Async::NotReady),
-                Async::Ready(_) => {
-                    self.fut = Some(self.f.get_mut()(&self.cfg, srv).into_future());
-                    return self.poll();
+            if let Some(fut) = this.fut.as_mut().as_pin_mut() {
+                return Poll::Ready(Ok(ready!(fut.poll(cx))?.into_service()));
+            } else if let Some(ref mut srv) = this.srv {
+                match srv.poll_ready(cx)? {
+                    Poll::Ready(_) => {
+                        this.fut.set(Some(this.f.get_mut()(&this.cfg, srv)));
+                        continue 'poll;
                     }
+                    Poll::Pending => return Poll::Pending,
                 }
             } else {
-            Ok(Async::NotReady)
+                return Poll::Pending;
+            }
         }
     }
 }

actix-service/src/blank.rs

@@ -1,84 +0,0 @@
-use std::marker::PhantomData;
-
-use futures::future::{ok, FutureResult};
-use futures::{Async, Poll};
-
-use super::{NewService, Service};
-
-/// Empty service
-#[derive(Clone)]
-pub struct Blank<R, E> {
-    _t: PhantomData<(R, E)>,
-}
-
-impl<R, E> Blank<R, E> {
-    pub fn err<E1>(self) -> Blank<R, E1> {
-        Blank { _t: PhantomData }
-    }
-}
-
-impl<R> Blank<R, ()> {
-    #[allow(clippy::new_ret_no_self)]
-    pub fn new<E>() -> Blank<R, E> {
-        Blank { _t: PhantomData }
-    }
-}
-
-impl<R, E> Default for Blank<R, E> {
-    fn default() -> Blank<R, E> {
-        Blank { _t: PhantomData }
-    }
-}
-
-impl<R, E> Service for Blank<R, E> {
-    type Request = R;
-    type Response = R;
-    type Error = E;
-    type Future = FutureResult<R, E>;
-
-    fn poll_ready(&mut self) -> Poll<(), Self::Error> {
-        Ok(Async::Ready(()))
-    }
-
-    fn call(&mut self, req: R) -> Self::Future {
-        ok(req)
-    }
-}
-
-/// Empty service factory
-pub struct BlankNewService<R, E1, E2 = ()> {
-    _t: PhantomData<(R, E1, E2)>,
-}
-
-impl<R, E1, E2> BlankNewService<R, E1, E2> {
-    pub fn new() -> BlankNewService<R, E1, E2> {
-        BlankNewService { _t: PhantomData }
-    }
-}
-
-impl<R, E1> BlankNewService<R, E1, ()> {
-    pub fn new_unit() -> BlankNewService<R, E1, ()> {
-        BlankNewService { _t: PhantomData }
-    }
-}
-
-impl<R, E1, E2> Default for BlankNewService<R, E1, E2> {
-    fn default() -> BlankNewService<R, E1, E2> {
-        Self::new()
-    }
-}
-
-impl<R, E1, E2> NewService for BlankNewService<R, E1, E2> {
-    type Request = R;
-    type Response = R;
-    type Error = E1;
-
-    type Config = ();
-    type Service = Blank<R, E1>;
-    type InitError = E2;
-    type Future = FutureResult<Self::Service, Self::InitError>;
-
-    fn new_service(&self, _: &()) -> Self::Future {
-        ok(Blank::default())
-    }
-}

actix-service/src/boxed.rs

@@ -1,7 +1,8 @@
-use futures::future::{err, ok, Either, FutureResult};
-use futures::{Async, Future, IntoFuture, Poll};
+use std::task::{Context, Poll};
 
-use crate::{NewService, Service};
+use futures::future::{FutureExt, LocalBoxFuture};
+
+use crate::{Service, ServiceFactory};
 
 pub type BoxedService<Req, Res, Err> = Box<
     dyn Service<
@@ -12,17 +13,16 @@ pub type BoxedService<Req, Res, Err> = Box<
     >,
 >;
 
-pub type BoxedServiceResponse<Res, Err> =
-    Either<FutureResult<Res, Err>, Box<dyn Future<Item = Res, Error = Err>>>;
+pub type BoxedServiceResponse<Res, Err> = LocalBoxFuture<'static, Result<Res, Err>>;
 
 pub struct BoxedNewService<C, Req, Res, Err, InitErr>(Inner<C, Req, Res, Err, InitErr>);
 
 /// Create boxed new service
-pub fn new_service<T>(
-    service: T,
+pub fn factory<T>(
+    factory: T,
 ) -> BoxedNewService<T::Config, T::Request, T::Response, T::Error, T::InitError>
 where
-    T: NewService + 'static,
+    T: ServiceFactory + 'static,
     T::Request: 'static,
     T::Response: 'static,
     T::Service: 'static,
@@ -30,8 +30,8 @@ where
     T::Error: 'static,
     T::InitError: 'static,
 {
-    BoxedNewService(Box::new(NewServiceWrapper {
-        service,
+    BoxedNewService(Box::new(FactoryWrapper {
+        factory,
         _t: std::marker::PhantomData,
     }))
 }
@@ -46,18 +46,18 @@ where
 }
 
 type Inner<C, Req, Res, Err, InitErr> = Box<
-    dyn NewService<
+    dyn ServiceFactory<
         Config = C,
         Request = Req,
         Response = Res,
         Error = Err,
         InitError = InitErr,
         Service = BoxedService<Req, Res, Err>,
-        Future = Box<dyn Future<Item = BoxedService<Req, Res, Err>, Error = InitErr>>,
+        Future = LocalBoxFuture<'static, Result<BoxedService<Req, Res, Err>, InitErr>>,
     >,
 >;
 
-impl<C, Req, Res, Err, InitErr> NewService for BoxedNewService<C, Req, Res, Err, InitErr>
+impl<C, Req, Res, Err, InitErr> ServiceFactory for BoxedNewService<C, Req, Res, Err, InitErr>
 where
     Req: 'static,
     Res: 'static,
@@ -70,25 +70,32 @@ where
     type InitError = InitErr;
     type Config = C;
     type Service = BoxedService<Req, Res, Err>;
-    type Future = Box<dyn Future<Item = Self::Service, Error = Self::InitError>>;
+
+    type Future = LocalBoxFuture<'static, Result<Self::Service, InitErr>>;
 
     fn new_service(&self, cfg: &C) -> Self::Future {
         self.0.new_service(cfg)
     }
 }
 
-struct NewServiceWrapper<C, T: NewService> {
-    service: T,
+struct FactoryWrapper<C, T: ServiceFactory> {
+    factory: T,
     _t: std::marker::PhantomData<C>,
 }
 
-impl<C, T, Req, Res, Err, InitErr> NewService for NewServiceWrapper<C, T>
+impl<C, T, Req, Res, Err, InitErr> ServiceFactory for FactoryWrapper<C, T>
 where
     Req: 'static,
     Res: 'static,
     Err: 'static,
     InitErr: 'static,
-    T: NewService<Config = C, Request = Req, Response = Res, Error = Err, InitError = InitErr>,
+    T: ServiceFactory<
+        Config = C,
+        Request = Req,
+        Response = Res,
+        Error = Err,
+        InitError = InitErr,
+    >,
     T::Future: 'static,
     T::Service: 'static,
     <T::Service as Service>::Future: 'static,
@@ -99,15 +106,13 @@ where
     type InitError = InitErr;
     type Config = C;
     type Service = BoxedService<Req, Res, Err>;
-    type Future = Box<dyn Future<Item = Self::Service, Error = Self::InitError>>;
+    type Future = LocalBoxFuture<'static, Result<Self::Service, Self::InitError>>;
 
     fn new_service(&self, cfg: &C) -> Self::Future {
-        Box::new(
-            self.service
+        self.factory
             .new_service(cfg)
-                .into_future()
-                .map(ServiceWrapper::boxed),
-        )
+            .map(|res| res.map(ServiceWrapper::boxed))
+            .boxed_local()
     }
 }
 
@@ -131,21 +136,13 @@ where
     type Request = Req;
     type Response = Res;
     type Error = Err;
-    type Future = Either<
-        FutureResult<Self::Response, Self::Error>,
-        Box<dyn Future<Item = Self::Response, Error = Self::Error>>,
-    >;
+    type Future = LocalBoxFuture<'static, Result<Res, Err>>;
 
-    fn poll_ready(&mut self) -> Poll<(), Self::Error> {
-        self.0.poll_ready()
+    fn poll_ready(&mut self, ctx: &mut Context<'_>) -> Poll<Result<(), Self::Error>> {
+        self.0.poll_ready(ctx)
     }
 
     fn call(&mut self, req: Self::Request) -> Self::Future {
-        let mut fut = self.0.call(req);
-        match fut.poll() {
-            Ok(Async::Ready(res)) => Either::A(ok(res)),
-            Err(e) => Either::A(err(e)),
-            Ok(Async::NotReady) => Either::B(Box::new(fut)),
-        }
+        self.0.call(req).boxed_local()
     }
 }

actix-service/src/cell.rs

@@ -1,4 +1,4 @@
-//! Custom cell impl
+//! Custom cell impl, internal use only
 use std::{cell::UnsafeCell, fmt, rc::Rc};
 
 pub(crate) struct Cell<T> {

actix-service/src/fn_service.rs

@@ -1,248 +1,245 @@
+use std::future::Future;
 use std::marker::PhantomData;
+use std::pin::Pin;
+use std::task::{Context, Poll};
 
-use futures::future::{ok, Future, FutureResult};
-use futures::{try_ready, Async, IntoFuture, Poll};
+use futures::future::{ok, Ready};
+use pin_project::pin_project;
 
-use crate::{IntoNewService, IntoService, NewService, Service};
+use crate::{IntoService, IntoServiceFactory, Service, ServiceFactory};
 
-/// Create `NewService` for function that can act as a Service
-pub fn service_fn<F, Req, Out, Cfg>(f: F) -> NewServiceFn<F, Req, Out, Cfg>
+/// Create `ServiceFactory` for function that can act as a `Service`
+pub fn service_fn<F, Fut, Req, Res, Err, Cfg>(
+    f: F,
+) -> impl ServiceFactory<Config = Cfg, Request = Req, Response = Res, Error = Err, InitError = ()>
+       + Clone
 where
-    F: FnMut(Req) -> Out + Clone,
-    Out: IntoFuture,
+    F: FnMut(Req) -> Fut + Clone,
+    Fut: Future<Output = Result<Res, Err>>,
 {
     NewServiceFn::new(f)
 }
 
-/// Create `NewService` for function that can produce services
-pub fn new_service_fn<F, C, R, S, E>(f: F) -> FnNewServiceNoConfig<F, C, R, S, E>
+pub fn service_fn2<F, Fut, Req, Res, Err>(
+    f: F,
+) -> impl Service<Request = Req, Response = Res, Error = Err>
+where
+    F: FnMut(Req) -> Fut,
+    Fut: Future<Output = Result<Res, Err>>,
+{
+    ServiceFn::new(f)
+}
+
+/// Create `ServiceFactory` for function that can produce services
+pub fn factory_fn<S, F, Cfg, Fut, Err>(
+    f: F,
+) -> impl ServiceFactory<
+    Config = Cfg,
+    Service = S,
+    Request = S::Request,
+    Response = S::Response,
+    Error = S::Error,
+    InitError = Err,
+    Future = Fut,
+>
 where
-    F: Fn() -> R,
-    R: IntoFuture<Item = S, Error = E>,
-    R::Item: IntoService<S>,
     S: Service,
+    F: Fn() -> Fut,
+    Fut: Future<Output = Result<S, Err>>,
 {
     FnNewServiceNoConfig::new(f)
 }
 
-/// Create `NewService` for function that can produce services with configuration
-pub fn new_service_cfg<F, C, R, S, E>(f: F) -> FnNewServiceConfig<F, C, R, S, E>
+/// Create `ServiceFactory` for function that can produce services with configuration
+pub fn factory_fn_cfg<F, Fut, Cfg, Srv, Err>(
+    f: F,
+) -> impl ServiceFactory<
+    Config = Cfg,
+    Service = Srv,
+    Request = Srv::Request,
+    Response = Srv::Response,
+    Error = Srv::Error,
+    InitError = Err,
+>
 where
-    F: Fn(&C) -> R,
-    R: IntoFuture<Error = E>,
-    R::Item: IntoService<S>,
-    S: Service,
+    F: Fn(&Cfg) -> Fut,
+    Fut: Future<Output = Result<Srv, Err>>,
+    Srv: Service,
 {
     FnNewServiceConfig::new(f)
 }
 
-pub struct ServiceFn<F, Req, Out>
+pub struct ServiceFn<F, Fut, Req, Res, Err>
 where
-    F: FnMut(Req) -> Out,
-    Out: IntoFuture,
+    F: FnMut(Req) -> Fut,
+    Fut: Future<Output = Result<Res, Err>>,
 {
     f: F,
     _t: PhantomData<Req>,
 }
 
-impl<F, Req, Out> ServiceFn<F, Req, Out>
+impl<F, Fut, Req, Res, Err> ServiceFn<F, Fut, Req, Res, Err>
 where
-    F: FnMut(Req) -> Out,
-    Out: IntoFuture,
+    F: FnMut(Req) -> Fut,
+    Fut: Future<Output = Result<Res, Err>>,
 {
     pub(crate) fn new(f: F) -> Self {
         ServiceFn { f, _t: PhantomData }
     }
 }
 
-impl<F, Req, Out> Clone for ServiceFn<F, Req, Out>
+impl<F, Fut, Req, Res, Err> Clone for ServiceFn<F, Fut, Req, Res, Err>
 where
-    F: FnMut(Req) -> Out + Clone,
-    Out: IntoFuture,
+    F: FnMut(Req) -> Fut + Clone,
+    Fut: Future<Output = Result<Res, Err>>,
 {
     fn clone(&self) -> Self {
         ServiceFn::new(self.f.clone())
     }
 }
 
-impl<F, Req, Out> Service for ServiceFn<F, Req, Out>
+impl<F, Fut, Req, Res, Err> Service for ServiceFn<F, Fut, Req, Res, Err>
 where
-    F: FnMut(Req) -> Out,
-    Out: IntoFuture,
+    F: FnMut(Req) -> Fut,
+    Fut: Future<Output = Result<Res, Err>>,
 {
     type Request = Req;
-    type Response = Out::Item;
-    type Error = Out::Error;
-    type Future = Out::Future;
+    type Response = Res;
+    type Error = Err;
+    type Future = Fut;
 
-    fn poll_ready(&mut self) -> Poll<(), Self::Error> {
-        Ok(Async::Ready(()))
+    fn poll_ready(&mut self, _: &mut Context<'_>) -> Poll<Result<(), Self::Error>> {
+        Poll::Ready(Ok(()))
     }
 
     fn call(&mut self, req: Req) -> Self::Future {
-        (self.f)(req).into_future()
+        (self.f)(req)
     }
 }
 
-impl<F, Req, Out> IntoService<ServiceFn<F, Req, Out>> for F
+impl<F, Fut, Req, Res, Err> IntoService<ServiceFn<F, Fut, Req, Res, Err>> for F
 where
-    F: FnMut(Req) -> Out,
-    Out: IntoFuture,
+    F: FnMut(Req) -> Fut,
+    Fut: Future<Output = Result<Res, Err>>,
 {
-    fn into_service(self) -> ServiceFn<F, Req, Out> {
+    fn into_service(self) -> ServiceFn<F, Fut, Req, Res, Err> {
         ServiceFn::new(self)
     }
 }
 
-pub struct NewServiceFn<F, Req, Out, Cfg>
+struct NewServiceFn<F, Fut, Req, Res, Err, Cfg>
 where
-    F: FnMut(Req) -> Out,
-    Out: IntoFuture,
+    F: FnMut(Req) -> Fut,
+    Fut: Future<Output = Result<Res, Err>>,
 {
     f: F,
     _t: PhantomData<(Req, Cfg)>,
 }
 
-impl<F, Req, Out, Cfg> NewServiceFn<F, Req, Out, Cfg>
+impl<F, Fut, Req, Res, Err, Cfg> NewServiceFn<F, Fut, Req, Res, Err, Cfg>
 where
-    F: FnMut(Req) -> Out + Clone,
-    Out: IntoFuture,
+    F: FnMut(Req) -> Fut + Clone,
+    Fut: Future<Output = Result<Res, Err>>,
 {
-    pub(crate) fn new(f: F) -> Self {
+    fn new(f: F) -> Self {
         NewServiceFn { f, _t: PhantomData }
     }
 }
 
-impl<F, Req, Out, Cfg> Clone for NewServiceFn<F, Req, Out, Cfg>
+impl<F, Fut, Req, Res, Err, Cfg> Clone for NewServiceFn<F, Fut, Req, Res, Err, Cfg>
 where
-    F: FnMut(Req) -> Out + Clone,
-    Out: IntoFuture,
+    F: FnMut(Req) -> Fut + Clone,
+    Fut: Future<Output = Result<Res, Err>>,
 {
     fn clone(&self) -> Self {
         NewServiceFn::new(self.f.clone())
     }
 }
 
-impl<F, Req, Out, Cfg> NewService for NewServiceFn<F, Req, Out, Cfg>
+impl<F, Fut, Req, Res, Err, Cfg> ServiceFactory for NewServiceFn<F, Fut, Req, Res, Err, Cfg>
 where
-    F: FnMut(Req) -> Out + Clone,
-    Out: IntoFuture,
+    F: FnMut(Req) -> Fut + Clone,
+    Fut: Future<Output = Result<Res, Err>>,
 {
     type Request = Req;
-    type Response = Out::Item;
-    type Error = Out::Error;
+    type Response = Res;
+    type Error = Err;
 
     type Config = Cfg;
-    type Service = ServiceFn<F, Req, Out>;
+    type Service = ServiceFn<F, Fut, Req, Res, Err>;
     type InitError = ();
-    type Future = FutureResult<Self::Service, Self::InitError>;
+    type Future = Ready<Result<Self::Service, Self::InitError>>;
 
     fn new_service(&self, _: &Cfg) -> Self::Future {
         ok(ServiceFn::new(self.f.clone()))
     }
 }
 
-impl<F, Req, Out, Cfg> IntoService<ServiceFn<F, Req, Out>> for NewServiceFn<F, Req, Out, Cfg>
-where
-    F: FnMut(Req) -> Out + Clone,
-    Out: IntoFuture,
-{
-    fn into_service(self) -> ServiceFn<F, Req, Out> {
-        ServiceFn::new(self.f.clone())
-    }
-}
-
-impl<F, Req, Out, Cfg> IntoNewService<NewServiceFn<F, Req, Out, Cfg>> for F
-where
-    F: Fn(Req) -> Out + Clone,
-    Out: IntoFuture,
-{
-    fn into_new_service(self) -> NewServiceFn<F, Req, Out, Cfg> {
-        NewServiceFn::new(self)
-    }
-}
-
 /// Convert `Fn(&Config) -> Future<Service>` fn to NewService
-pub struct FnNewServiceConfig<F, C, R, S, E>
+struct FnNewServiceConfig<F, Fut, Cfg, Srv, Err>
 where
-    F: Fn(&C) -> R,
-    R: IntoFuture<Error = E>,
-    R::Item: IntoService<S>,
-    S: Service,
+    F: Fn(&Cfg) -> Fut,
+    Fut: Future<Output = Result<Srv, Err>>,
+    Srv: Service,
 {
     f: F,
-    _t: PhantomData<(C, R, S, E)>,
+    _t: PhantomData<(Fut, Cfg, Srv, Err)>,
 }
 
-impl<F, C, R, S, E> FnNewServiceConfig<F, C, R, S, E>
+impl<F, Fut, Cfg, Srv, Err> FnNewServiceConfig<F, Fut, Cfg, Srv, Err>
 where
-    F: Fn(&C) -> R,
-    R: IntoFuture<Error = E>,
-    R::Item: IntoService<S>,
-    S: Service,
+    F: Fn(&Cfg) -> Fut,
+    Fut: Future<Output = Result<Srv, Err>>,
+    Srv: Service,
 {
     pub fn new(f: F) -> Self {
         FnNewServiceConfig { f, _t: PhantomData }
     }
 }
 
-impl<F, C, R, S, E> NewService for FnNewServiceConfig<F, C, R, S, E>
+impl<F, Fut, Cfg, Srv, Err> ServiceFactory for FnNewServiceConfig<F, Fut, Cfg, Srv, Err>
 where
-    F: Fn(&C) -> R,
-    R: IntoFuture<Error = E>,
-    R::Item: IntoService<S>,
-    S: Service,
+    F: Fn(&Cfg) -> Fut,
+    Fut: Future<Output = Result<Srv, Err>>,
+    Srv: Service,
 {
-    type Request = S::Request;
-    type Response = S::Response;
-    type Error = S::Error;
+    type Request = Srv::Request;
+    type Response = Srv::Response;
+    type Error = Srv::Error;
 
-    type Config = C;
-    type Service = S;
-    type InitError = E;
-    type Future = FnNewServiceConfigFut<R, S, E>;
+    type Config = Cfg;
+    type Service = Srv;
+    type InitError = Err;
+    type Future = FnNewServiceConfigFut<Fut, Srv, Err>;
 
-    fn new_service(&self, cfg: &C) -> Self::Future {
+    fn new_service(&self, cfg: &Cfg) -> Self::Future {
         FnNewServiceConfigFut {
-            fut: (self.f)(cfg).into_future(),
+            fut: (self.f)(cfg),
             _t: PhantomData,
         }
     }
 }
 
-pub struct FnNewServiceConfigFut<R, S, E>
+#[pin_project]
+struct FnNewServiceConfigFut<R, S, E>
 where
-    R: IntoFuture<Error = E>,
-    R::Item: IntoService<S>,
+    R: Future<Output = Result<S, E>>,
     S: Service,
 {
-    fut: R::Future,
+    #[pin]
+    fut: R,
     _t: PhantomData<(S,)>,
 }
 
 impl<R, S, E> Future for FnNewServiceConfigFut<R, S, E>
 where
-    R: IntoFuture<Error = E>,
-    R::Item: IntoService<S>,
+    R: Future<Output = Result<S, E>>,
     S: Service,
 {
-    type Item = S;
-    type Error = R::Error;
+    type Output = Result<S, E>;
 
-    fn poll(&mut self) -> Poll<Self::Item, Self::Error> {
-        Ok(Async::Ready(try_ready!(self.fut.poll()).into_service()))
-    }
-}
-
-impl<F, C, R, S, E> Clone for FnNewServiceConfig<F, C, R, S, E>
-where
-    F: Fn(&C) -> R + Clone,
-    R: IntoFuture<Error = E>,
-    R::Item: IntoService<S>,
-    S: Service,
-{
-    fn clone(&self) -> Self {
-        Self::new(self.f.clone())
+    fn poll(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
+        Poll::Ready(Ok(futures::ready!(self.project().fut.poll(cx))?))
     }
 }
 
@@ -250,7 +247,7 @@ where
 pub struct FnNewServiceNoConfig<F, C, R, S, E>
 where
     F: Fn() -> R,
-    R: IntoFuture<Item = S, Error = E>,
+    R: Future<Output = Result<S, E>>,
     S: Service,
 {
     f: F,
@@ -260,18 +257,18 @@ where
 impl<F, C, R, S, E> FnNewServiceNoConfig<F, C, R, S, E>
 where
     F: Fn() -> R,
-    R: IntoFuture<Item = S, Error = E>,
+    R: Future<Output = Result<S, E>>,
     S: Service,
 {
-    pub fn new(f: F) -> Self {
+    fn new(f: F) -> Self {
         FnNewServiceNoConfig { f, _t: PhantomData }
     }
 }
 
-impl<F, C, R, S, E> NewService for FnNewServiceNoConfig<F, C, R, S, E>
+impl<F, C, R, S, E> ServiceFactory for FnNewServiceNoConfig<F, C, R, S, E>
 where
     F: Fn() -> R,
-    R: IntoFuture<Item = S, Error = E>,
+    R: Future<Output = Result<S, E>>,
     S: Service,
 {
     type Request = S::Request;
@@ -280,17 +277,17 @@ where
     type Service = S;
     type Config = C;
     type InitError = E;
-    type Future = R::Future;
+    type Future = R;
 
     fn new_service(&self, _: &C) -> Self::Future {
-        (self.f)().into_future()
+        (self.f)()
     }
 }
 
 impl<F, C, R, S, E> Clone for FnNewServiceNoConfig<F, C, R, S, E>
 where
     F: Fn() -> R + Clone,
-    R: IntoFuture<Item = S, Error = E>,
+    R: Future<Output = Result<S, E>>,
     S: Service,
 {
     fn clone(&self) -> Self {
@@ -298,13 +295,13 @@ where
     }
 }
 
-impl<F, C, R, S, E> IntoNewService<FnNewServiceNoConfig<F, C, R, S, E>> for F
+impl<F, C, R, S, E> IntoServiceFactory<FnNewServiceNoConfig<F, C, R, S, E>> for F
 where
     F: Fn() -> R,
-    R: IntoFuture<Item = S, Error = E>,
+    R: Future<Output = Result<S, E>>,
     S: Service,
 {
-    fn into_new_service(self) -> FnNewServiceNoConfig<F, C, R, S, E> {
+    fn into_factory(self) -> FnNewServiceNoConfig<F, C, R, S, E> {
         FnNewServiceNoConfig::new(self)
     }
 }

actix-service/src/fn_transform.rs

@@ -1,80 +0,0 @@
-use std::marker::PhantomData;
-
-use futures::future::{ok, FutureResult};
-use futures::IntoFuture;
-
-use crate::apply::Apply;
-use crate::{IntoTransform, Service, Transform};
-
-/// Use function as transform service
-pub fn transform_fn<F, S, In, Out, Err>(
-    f: F,
-) -> impl Transform<S, Request = In, Response = Out::Item, Error = Out::Error, InitError = Err>
-where
-    S: Service,
-    F: FnMut(In, &mut S) -> Out + Clone,
-    Out: IntoFuture,
-    Out::Error: From<S::Error>,
-{
-    FnTransform::new(f)
-}
-
-pub struct FnTransform<F, S, In, Out, Err>
-where
-    F: FnMut(In, &mut S) -> Out + Clone,
-    Out: IntoFuture,
-{
-    f: F,
-    _t: PhantomData<(S, In, Out, Err)>,
-}
-
-impl<F, S, In, Out, Err> FnTransform<F, S, In, Out, Err>
-where
-    F: FnMut(In, &mut S) -> Out + Clone,
-    Out: IntoFuture,
-{
-    pub fn new(f: F) -> Self {
-        FnTransform { f, _t: PhantomData }
-    }
-}
-
-impl<F, S, In, Out, Err> Transform<S> for FnTransform<F, S, In, Out, Err>
-where
-    S: Service,
-    F: FnMut(In, &mut S) -> Out + Clone,
-    Out: IntoFuture,
-    Out::Error: From<S::Error>,
-{
-    type Request = In;
-    type Response = Out::Item;
-    type Error = Out::Error;
-    type Transform = Apply<S, F, In, Out>;
-    type InitError = Err;
-    type Future = FutureResult<Self::Transform, Self::InitError>;
-
-    fn new_transform(&self, service: S) -> Self::Future {
-        ok(Apply::new(service, self.f.clone()))
-    }
-}
-
-impl<F, S, In, Out, Err> IntoTransform<FnTransform<F, S, In, Out, Err>, S> for F
-where
-    S: Service,
-    F: FnMut(In, &mut S) -> Out + Clone,
-    Out: IntoFuture,
-    Out::Error: From<S::Error>,
-{
-    fn into_transform(self) -> FnTransform<F, S, In, Out, Err> {
-        FnTransform::new(self)
-    }
-}
-
-impl<F, S, In, Out, Err> Clone for FnTransform<F, S, In, Out, Err>
-where
-    F: FnMut(In, &mut S) -> Out + Clone,
-    Out: IntoFuture,
-{
-    fn clone(&self) -> Self {
-        Self::new(self.f.clone())
-    }
-}

actix-service/src/from_err.rs

@@ -1,220 +0,0 @@
-use std::marker::PhantomData;
-
-use futures::{Async, Future, Poll};
-
-use super::{NewService, Service};
-
-/// Service for the `from_err` combinator, changing the error type of a service.
-///
-/// This is created by the `ServiceExt::from_err` method.
-pub struct FromErr<A, E> {
-    service: A,
-    f: PhantomData<E>,
-}
-
-impl<A, E> FromErr<A, E> {
-    pub(crate) fn new(service: A) -> Self
-    where
-        A: Service,
-        E: From<A::Error>,
-    {
-        FromErr {
-            service,
-            f: PhantomData,
-        }
-    }
-}
-
-impl<A, E> Clone for FromErr<A, E>
-where
-    A: Clone,
-{
-    fn clone(&self) -> Self {
-        FromErr {
-            service: self.service.clone(),
-            f: PhantomData,
-        }
-    }
-}
-
-impl<A, E> Service for FromErr<A, E>
-where
-    A: Service,
-    E: From<A::Error>,
-{
-    type Request = A::Request;
-    type Response = A::Response;
-    type Error = E;
-    type Future = FromErrFuture<A, E>;
-
-    fn poll_ready(&mut self) -> Poll<(), E> {
-        self.service.poll_ready().map_err(E::from)
-    }
-
-    fn call(&mut self, req: A::Request) -> Self::Future {
-        FromErrFuture {
-            fut: self.service.call(req),
-            f: PhantomData,
-        }
-    }
-}
-
-pub struct FromErrFuture<A: Service, E> {
-    fut: A::Future,
-    f: PhantomData<E>,
-}
-
-impl<A, E> Future for FromErrFuture<A, E>
-where
-    A: Service,
-    E: From<A::Error>,
-{
-    type Item = A::Response;
-    type Error = E;
-
-    fn poll(&mut self) -> Poll<Self::Item, Self::Error> {
-        self.fut.poll().map_err(E::from)
-    }
-}
-
-/// NewService for the `from_err` combinator, changing the type of a new
-/// service's error.
-///
-/// This is created by the `NewServiceExt::from_err` method.
-pub struct FromErrNewService<A, E> {
-    a: A,
-    e: PhantomData<E>,
-}
-
-impl<A, E> FromErrNewService<A, E> {
-    /// Create new `FromErr` new service instance
-    pub fn new(a: A) -> Self
-    where
-        A: NewService,
-        E: From<A::Error>,
-    {
-        Self { a, e: PhantomData }
-    }
-}
-
-impl<A, E> Clone for FromErrNewService<A, E>
-where
-    A: Clone,
-{
-    fn clone(&self) -> Self {
-        Self {
-            a: self.a.clone(),
-            e: PhantomData,
-        }
-    }
-}
-
-impl<A, E> NewService for FromErrNewService<A, E>
-where
-    A: NewService,
-    E: From<A::Error>,
-{
-    type Request = A::Request;
-    type Response = A::Response;
-    type Error = E;
-
-    type Config = A::Config;
-    type Service = FromErr<A::Service, E>;
-    type InitError = A::InitError;
-    type Future = FromErrNewServiceFuture<A, E>;
-
-    fn new_service(&self, cfg: &A::Config) -> Self::Future {
-        FromErrNewServiceFuture {
-            fut: self.a.new_service(cfg),
-            e: PhantomData,
-        }
-    }
-}
-
-pub struct FromErrNewServiceFuture<A, E>
-where
-    A: NewService,
-    E: From<A::Error>,
-{
-    fut: A::Future,
-    e: PhantomData<E>,
-}
-
-impl<A, E> Future for FromErrNewServiceFuture<A, E>
-where
-    A: NewService,
-    E: From<A::Error>,
-{
-    type Item = FromErr<A::Service, E>;
-    type Error = A::InitError;
-
-    fn poll(&mut self) -> Poll<Self::Item, Self::Error> {
-        if let Async::Ready(service) = self.fut.poll()? {
-            Ok(Async::Ready(FromErr::new(service)))
-        } else {
-            Ok(Async::NotReady)
-        }
-    }
-}
-
-#[cfg(test)]
-mod tests {
-    use futures::future::{err, FutureResult};
-
-    use super::*;
-    use crate::{IntoNewService, NewService, Service, ServiceExt};
-
-    struct Srv;
-    impl Service for Srv {
-        type Request = ();
-        type Response = ();
-        type Error = ();
-        type Future = FutureResult<(), ()>;
-
-        fn poll_ready(&mut self) -> Poll<(), Self::Error> {
-            Err(())
-        }
-
-        fn call(&mut self, _: ()) -> Self::Future {
-            err(())
-        }
-    }
-
-    #[derive(Debug, PartialEq)]
-    struct Error;
-
-    impl From<()> for Error {
-        fn from(_: ()) -> Self {
-            Error
-        }
-    }
-
-    #[test]
-    fn test_poll_ready() {
-        let mut srv = Srv.from_err::<Error>();
-        let res = srv.poll_ready();
-        assert!(res.is_err());
-        assert_eq!(res.err().unwrap(), Error);
-    }
-
-    #[test]
-    fn test_call() {
-        let mut srv = Srv.from_err::<Error>();
-        let res = srv.call(()).poll();
-        assert!(res.is_err());
-        assert_eq!(res.err().unwrap(), Error);
-    }
-
-    #[test]
-    fn test_new_service() {
-        let blank = || Ok::<_, ()>(Srv);
-        let new_srv = blank.into_new_service().from_err::<Error>();
-        if let Async::Ready(mut srv) = new_srv.new_service(&()).poll().unwrap() {
-            let res = srv.call(()).poll();
-            assert!(res.is_err());
-            assert_eq!(res.err().unwrap(), Error);
-        } else {
-            panic!()
-        }
-    }
-}

actix-service/src/into.rs

@@ -0,0 +1,204 @@
+use std::task::{Context, Poll};
+
+use crate::map::{Map, MapNewService};
+use crate::map_err::{MapErr, MapErrNewService};
+use crate::map_init_err::MapInitErr;
+use crate::{IntoService, IntoServiceFactory, Service, ServiceFactory};
+
+#[inline]
+/// Convert object of type `U` to a service `T`
+pub fn into_service<T, U>(service: U) -> ServiceMapper<T>
+where
+    U: IntoService<T>,
+    T: Service,
+{
+    ServiceMapper {
+        service: service.into_service(),
+    }
+}
+
+pub fn into_factory<T, F>(factory: F) -> ServiceFactoryMapper<T>
+where
+    T: ServiceFactory,
+    F: IntoServiceFactory<T>,
+{
+    ServiceFactoryMapper {
+        factory: factory.into_factory(),
+    }
+}
+
+pub struct ServiceMapper<T> {
+    service: T,
+}
+
+pub struct ServiceFactoryMapper<T> {
+    factory: T,
+}
+
+impl<T: Service> ServiceMapper<T> {
+    /// Map this service's output to a different type, returning a new service
+    /// of the resulting type.
+    ///
+    /// This function is similar to the `Option::map` or `Iterator::map` where
+    /// it will change the type of the underlying service.
+    ///
+    /// Note that this function consumes the receiving service and returns a
+    /// wrapped version of it, similar to the existing `map` methods in the
+    /// standard library.
+    pub fn map<F, R>(
+        self,
+        f: F,
+    ) -> ServiceMapper<impl Service<Request = T::Request, Response = R, Error = T::Error>>
+    where
+        Self: Sized,
+        F: FnMut(T::Response) -> R + Clone,
+    {
+        ServiceMapper {
+            service: Map::new(self.service, f),
+        }
+    }
+
+    /// Map this service's error to a different error, returning a new service.
+    ///
+    /// This function is similar to the `Result::map_err` where it will change
+    /// the error type of the underlying service. This is useful for example to
+    /// ensure that services have the same error type.
+    ///
+    /// Note that this function consumes the receiving service and returns a
+    /// wrapped version of it.
+    pub fn map_err<F, E>(
+        self,
+        f: F,
+    ) -> ServiceMapper<impl Service<Request = T::Request, Response = T::Response, Error = E>>
+    where
+        Self: Sized,
+        F: Fn(T::Error) -> E + Clone,
+    {
+        ServiceMapper {
+            service: MapErr::new(self, f),
+        }
+    }
+}
+
+impl<T> Clone for ServiceMapper<T>
+where
+    T: Clone,
+{
+    fn clone(&self) -> Self {
+        ServiceMapper {
+            service: self.service.clone(),
+        }
+    }
+}
+
+impl<T: Service> Service for ServiceMapper<T> {
+    type Request = T::Request;
+    type Response = T::Response;
+    type Error = T::Error;
+    type Future = T::Future;
+
+    #[inline]
+    fn poll_ready(&mut self, ctx: &mut Context<'_>) -> Poll<Result<(), Self::Error>> {
+        self.service.poll_ready(ctx)
+    }
+
+    #[inline]
+    fn call(&mut self, req: T::Request) -> Self::Future {
+        self.service.call(req)
+    }
+}
+
+impl<T: ServiceFactory> ServiceFactoryMapper<T> {
+    /// Map this service's output to a different type, returning a new service
+    /// of the resulting type.
+    pub fn map<F, R>(
+        self,
+        f: F,
+    ) -> ServiceFactoryMapper<
+        impl ServiceFactory<
+            Config = T::Config,
+            Request = T::Request,
+            Response = R,
+            Error = T::Error,
+            InitError = T::InitError,
+        >,
+    >
+    where
+        Self: Sized,
+        F: FnMut(T::Response) -> R + Clone,
+    {
+        ServiceFactoryMapper {
+            factory: MapNewService::new(self.factory, f),
+        }
+    }
+
+    /// Map this service's error to a different error, returning a new service.
+    pub fn map_err<F, E>(
+        self,
+        f: F,
+    ) -> ServiceFactoryMapper<
+        impl ServiceFactory<
+            Config = T::Config,
+            Request = T::Request,
+            Response = T::Response,
+            Error = E,
+            InitError = T::InitError,
+        >,
+    >
+    where
+        Self: Sized,
+        F: Fn(T::Error) -> E + Clone,
+    {
+        ServiceFactoryMapper {
+            factory: MapErrNewService::new(self.factory, f),
+        }
+    }
+
+    /// Map this factory's init error to a different error, returning a new service.
+    pub fn map_init_err<F, E>(
+        self,
+        f: F,
+    ) -> ServiceFactoryMapper<
+        impl ServiceFactory<
+            Config = T::Config,
+            Request = T::Request,
+            Response = T::Response,
+            Error = T::Error,
+            InitError = E,
+        >,
+    >
+    where
+        Self: Sized,
+        F: Fn(T::InitError) -> E + Clone,
+    {
+        ServiceFactoryMapper {
+            factory: MapInitErr::new(self.factory, f),
+        }
+    }
+}
+
+impl<T> Clone for ServiceFactoryMapper<T>
+where
+    T: Clone,
+{
+    fn clone(&self) -> Self {
+        ServiceFactoryMapper {
+            factory: self.factory.clone(),
+        }
+    }
+}
+
+impl<T: ServiceFactory> ServiceFactory for ServiceFactoryMapper<T> {
+    type Config = T::Config;
+    type Request = T::Request;
+    type Response = T::Response;
+    type Error = T::Error;
+    type Service = T::Service;
+    type InitError = T::InitError;
+    type Future = T::Future;
+
+    #[inline]
+    fn new_service(&self, cfg: &T::Config) -> Self::Future {
+        self.factory.new_service(cfg)
+    }
+}

actix-service/src/lib.rs

@@ -1,43 +1,32 @@
 use std::cell::RefCell;
+use std::future::Future;
 use std::rc::Rc;
 use std::sync::Arc;
-
-use futures::{Future, IntoFuture, Poll};
+use std::task::{self, Context, Poll};
 
 mod and_then;
-mod and_then_apply;
-mod and_then_apply_fn;
 mod apply;
 mod apply_cfg;
-pub mod blank;
 pub mod boxed;
 mod cell;
 mod fn_service;
-mod fn_transform;
-mod from_err;
+mod into;
 mod map;
 mod map_config;
 mod map_err;
 mod map_init_err;
+mod pipeline;
 mod then;
 mod transform;
 mod transform_err;
 
-pub use self::and_then::{AndThen, AndThenNewService};
-pub use self::apply::{apply_fn, new_apply_fn, Apply, ApplyNewService};
-pub use self::apply_cfg::{apply_cfg, new_apply_cfg};
-pub use self::fn_service::{new_service_cfg, new_service_fn, service_fn, ServiceFn};
-pub use self::fn_transform::transform_fn;
-pub use self::from_err::{FromErr, FromErrNewService};
-pub use self::map::{Map, MapNewService};
-pub use self::map_config::{MapConfig, MappedConfig, UnitConfig};
-pub use self::map_err::{MapErr, MapErrNewService};
-pub use self::map_init_err::MapInitErr;
-pub use self::then::{Then, ThenNewService};
-pub use self::transform::{apply_transform, IntoTransform, Transform};
-
-use self::and_then_apply::AndThenTransform;
-use self::and_then_apply_fn::{AndThenApply, AndThenApplyNewService};
+pub use self::apply::{apply_fn, apply_fn_factory};
+pub use self::apply_cfg::{apply_cfg, apply_cfg_factory};
+pub use self::fn_service::{factory_fn, factory_fn_cfg, service_fn, service_fn2};
+pub use self::into::{into_factory, into_service, ServiceFactoryMapper, ServiceMapper};
+pub use self::map_config::{map_config, unit_config, MappedConfig};
+pub use self::pipeline::{pipeline, pipeline_factory, Pipeline, PipelineFactory};
+pub use self::transform::{apply, Transform};
 
 /// An asynchronous function from `Request` to a `Response`.
 pub trait Service {
@@ -51,7 +40,7 @@ pub trait Service {
     type Error;
 
     /// The future response value.
-    type Future: Future<Item = Self::Response, Error = Self::Error>;
+    type Future: Future<Output = Result<Self::Response, Self::Error>>;
 
     /// Returns `Ready` when the service is able to process requests.
     ///
@@ -62,7 +51,7 @@ pub trait Service {
     /// This is a **best effort** implementation. False positives are permitted.
     /// It is permitted for the service to return `Ready` from a `poll_ready`
     /// call and the next invocation of `call` results in an error.
-    fn poll_ready(&mut self) -> Poll<(), Self::Error>;
+    fn poll_ready(&mut self, ctx: &mut task::Context<'_>) -> Poll<Result<(), Self::Error>>;
 
     /// Process the request and return the response asynchronously.
     ///
@@ -76,113 +65,16 @@ pub trait Service {
     fn call(&mut self, req: Self::Request) -> Self::Future;
 }
 
-/// An extension trait for `Service`s that provides a variety of convenient
-/// adapters
-pub trait ServiceExt: Service {
-    /// Apply function to specified service and use it as a next service in
-    /// chain.
-    fn apply_fn<F, B, B1, Out>(self, service: B1, f: F) -> AndThenApply<Self, B, F, Out>
-    where
-        Self: Sized,
-        F: FnMut(Self::Response, &mut B) -> Out,
-        Out: IntoFuture,
-        Out::Error: Into<Self::Error>,
-        B: Service<Error = Self::Error>,
-        B1: IntoService<B>,
-    {
-        AndThenApply::new(self, service, f)
-    }
-
-    /// Call another service after call to this one has resolved successfully.
-    ///
-    /// This function can be used to chain two services together and ensure that
-    /// the second service isn't called until call to the fist service have
-    /// finished. Result of the call to the first service is used as an
-    /// input parameter for the second service's call.
-    ///
-    /// Note that this function consumes the receiving service and returns a
-    /// wrapped version of it.
-    fn and_then<F, B>(self, service: F) -> AndThen<Self, B>
-    where
-        Self: Sized,
-        F: IntoService<B>,
-        B: Service<Request = Self::Response, Error = Self::Error>,
-    {
-        AndThen::new(self, service.into_service())
-    }
-
-    /// Map this service's error to any error implementing `From` for
-    /// this service`s `Error`.
-    ///
-    /// Note that this function consumes the receiving service and returns a
-    /// wrapped version of it.
-    fn from_err<E>(self) -> FromErr<Self, E>
-    where
-        Self: Sized,
-        E: From<Self::Error>,
-    {
-        FromErr::new(self)
-    }
-
-    /// Chain on a computation for when a call to the service finished,
-    /// passing the result of the call to the next service `B`.
-    ///
-    /// Note that this function consumes the receiving service and returns a
-    /// wrapped version of it.
-    fn then<B>(self, service: B) -> Then<Self, B>
-    where
-        Self: Sized,
-        B: Service<Request = Result<Self::Response, Self::Error>, Error = Self::Error>,
-    {
-        Then::new(self, service)
-    }
-
-    /// Map this service's output to a different type, returning a new service
-    /// of the resulting type.
-    ///
-    /// This function is similar to the `Option::map` or `Iterator::map` where
-    /// it will change the type of the underlying service.
-    ///
-    /// Note that this function consumes the receiving service and returns a
-    /// wrapped version of it, similar to the existing `map` methods in the
-    /// standard library.
-    fn map<F, R>(self, f: F) -> Map<Self, F, R>
-    where
-        Self: Sized,
-        F: FnMut(Self::Response) -> R,
-    {
-        Map::new(self, f)
-    }
-
-    /// Map this service's error to a different error, returning a new service.
-    ///
-    /// This function is similar to the `Result::map_err` where it will change
-    /// the error type of the underlying service. This is useful for example to
-    /// ensure that services have the same error type.
-    ///
-    /// Note that this function consumes the receiving service and returns a
-    /// wrapped version of it.
-    fn map_err<F, E>(self, f: F) -> MapErr<Self, F, E>
-    where
-        Self: Sized,
-        F: Fn(Self::Error) -> E,
-    {
-        MapErr::new(self, f)
-    }
-}
-
-impl<T: ?Sized> ServiceExt for T where T: Service {}
-
 /// Creates new `Service` values.
 ///
 /// Acts as a service factory. This is useful for cases where new `Service`
 /// values must be produced. One case is a TCP server listener. The listener
 /// accepts new TCP streams, obtains a new `Service` value using the
-/// `NewService` trait, and uses that new `Service` value to process inbound
+/// `ServiceFactory` trait, and uses that new `Service` value to process inbound
 /// requests on that new TCP stream.
 ///
 /// `Config` is a service factory configuration type.
-pub trait NewService {
+pub trait ServiceFactory {
     /// Requests handled by the service.
     type Request;
 
@@ -206,132 +98,10 @@ pub trait NewService {
     type InitError;
 
     /// The future of the `Service` instance.
-    type Future: Future<Item = Self::Service, Error = Self::InitError>;
+    type Future: Future<Output = Result<Self::Service, Self::InitError>>;
 
     /// Create and return a new service value asynchronously.
     fn new_service(&self, cfg: &Self::Config) -> Self::Future;
-
-    /// Apply transform service to specified service and use it as a next service in
-    /// chain.
-    fn apply<T, T1, B, B1>(self, transform: T1, service: B1) -> AndThenTransform<T, Self, B>
-    where
-        Self: Sized,
-        T: Transform<B::Service, Request = Self::Response, InitError = Self::InitError>,
-        T::Error: From<Self::Error>,
-        T1: IntoTransform<T, B::Service>,
-        B: NewService<Config = Self::Config, InitError = Self::InitError>,
-        B1: IntoNewService<B>,
-    {
-        AndThenTransform::new(transform.into_transform(), self, service.into_new_service())
-    }
-
-    /// Apply function to specified service and use it as a next service in
-    /// chain.
-    fn apply_fn<B, I, F, Out>(self, service: I, f: F) -> AndThenApplyNewService<Self, B, F, Out>
-    where
-        Self: Sized,
-        B: NewService<Config = Self::Config, Error = Self::Error, InitError = Self::InitError>,
-        I: IntoNewService<B>,
-        F: FnMut(Self::Response, &mut B::Service) -> Out,
-        Out: IntoFuture,
-        Out::Error: Into<Self::Error>,
-    {
-        AndThenApplyNewService::new(self, service, f)
-    }
-
-    /// Call another service after call to this one has resolved successfully.
-    fn and_then<F, B>(self, new_service: F) -> AndThenNewService<Self, B>
-    where
-        Self: Sized,
-        F: IntoNewService<B>,
-        B: NewService<
-            Config = Self::Config,
-            Request = Self::Response,
-            Error = Self::Error,
-            InitError = Self::InitError,
-        >,
-    {
-        AndThenNewService::new(self, new_service)
-    }
-
-    /// `NewService` that create service to map this service's error
-    /// and new service's init error to any error
-    /// implementing `From` for this service`s `Error`.
-    ///
-    /// Note that this function consumes the receiving new service and returns a
-    /// wrapped version of it.
-    fn from_err<E>(self) -> FromErrNewService<Self, E>
-    where
-        Self: Sized,
-        E: From<Self::Error>,
-    {
-        FromErrNewService::new(self)
-    }
-
-    /// Create `NewService` to chain on a computation for when a call to the
-    /// service finished, passing the result of the call to the next
-    /// service `B`.
-    ///
-    /// Note that this function consumes the receiving future and returns a
-    /// wrapped version of it.
-    fn then<F, B>(self, new_service: F) -> ThenNewService<Self, B>
-    where
-        Self: Sized,
-        F: IntoNewService<B>,
-        B: NewService<
-            Config = Self::Config,
-            Request = Result<Self::Response, Self::Error>,
-            Error = Self::Error,
-            InitError = Self::InitError,
-        >,
-    {
-        ThenNewService::new(self, new_service)
-    }
-
-    /// Map this service's output to a different type, returning a new service
-    /// of the resulting type.
-    fn map<F, R>(self, f: F) -> MapNewService<Self, F, R>
-    where
-        Self: Sized,
-        F: FnMut(Self::Response) -> R,
-    {
-        MapNewService::new(self, f)
-    }
-
-    /// Map this service's error to a different error, returning a new service.
-    fn map_err<F, E>(self, f: F) -> MapErrNewService<Self, F, E>
-    where
-        Self: Sized,
-        F: Fn(Self::Error) -> E + Clone,
-    {
-        MapErrNewService::new(self, f)
-    }
-
-    /// Map this factory's init error to a different error, returning a new service.
-    fn map_init_err<F, E>(self, f: F) -> MapInitErr<Self, F, E>
-    where
-        Self: Sized,
-        F: Fn(Self::InitError) -> E,
-    {
-        MapInitErr::new(self, f)
-    }
-
-    /// Map config to a different error, returning a new service.
-    fn map_config<F, C>(self, f: F) -> MapConfig<Self, F, C>
-    where
-        Self: Sized,
-        F: Fn(&C) -> MappedConfig<Self::Config>,
-    {
-        MapConfig::new(self, f)
-    }
-
-    /// Replace config with unit
-    fn unit_config<C>(self) -> UnitConfig<Self, C>
-    where
-        Self: NewService<Config = ()> + Sized,
-    {
-        UnitConfig::new(self)
-    }
 }
 
 impl<'a, S> Service for &'a mut S
@@ -343,8 +113,8 @@ where
     type Error = S::Error;
     type Future = S::Future;
 
-    fn poll_ready(&mut self) -> Poll<(), S::Error> {
-        (**self).poll_ready()
+    fn poll_ready(&mut self, ctx: &mut Context<'_>) -> Poll<Result<(), Self::Error>> {
+        (**self).poll_ready(ctx)
     }
 
     fn call(&mut self, request: Self::Request) -> S::Future {
@@ -361,8 +131,8 @@ where
     type Error = S::Error;
     type Future = S::Future;
 
-    fn poll_ready(&mut self) -> Poll<(), S::Error> {
-        (**self).poll_ready()
+    fn poll_ready(&mut self, ctx: &mut Context<'_>) -> Poll<Result<(), S::Error>> {
+        (**self).poll_ready(ctx)
     }
 
     fn call(&mut self, request: Self::Request) -> S::Future {
@@ -379,18 +149,18 @@ where
     type Error = S::Error;
     type Future = S::Future;
 
-    fn poll_ready(&mut self) -> Poll<(), S::Error> {
-        self.borrow_mut().poll_ready()
+    fn poll_ready(&mut self, ctx: &mut Context<'_>) -> Poll<Result<(), Self::Error>> {
+        self.borrow_mut().poll_ready(ctx)
     }
 
     fn call(&mut self, request: Self::Request) -> S::Future {
-        self.borrow_mut().call(request)
+        (&mut (**self).borrow_mut()).call(request)
     }
 }
 
-impl<S> NewService for Rc<S>
+impl<S> ServiceFactory for Rc<S>
 where
-    S: NewService,
+    S: ServiceFactory,
 {
     type Request = S::Request;
     type Response = S::Response;
@@ -405,9 +175,9 @@ where
     }
 }
 
-impl<S> NewService for Arc<S>
+impl<S> ServiceFactory for Arc<S>
 where
-    S: NewService,
+    S: ServiceFactory,
 {
     type Request = S::Request;
     type Response = S::Response;
@@ -431,13 +201,13 @@ where
     fn into_service(self) -> T;
 }
 
-/// Trait for types that can be converted to a `NewService`
-pub trait IntoNewService<T>
+/// Trait for types that can be converted to a `ServiceFactory`
+pub trait IntoServiceFactory<T>
 where
-    T: NewService,
+    T: ServiceFactory,
 {
-    /// Convert to an `NewService`
-    fn into_new_service(self) -> T;
+    /// Convert `Self` an `ServiceFactory`
+    fn into_factory(self) -> T;
 }
 
 impl<T> IntoService<T> for T
@@ -449,11 +219,11 @@ where
     }
 }
 
-impl<T> IntoNewService<T> for T
+impl<T> IntoServiceFactory<T> for T
 where
-    T: NewService,
+    T: ServiceFactory,
 {
-    fn into_new_service(self) -> T {
+    fn into_factory(self) -> T {
         self
     }
 }

actix-service/src/map.rs

@@ -1,13 +1,16 @@
+use std::future::Future;
 use std::marker::PhantomData;
+use std::pin::Pin;
+use std::task::{Context, Poll};
 
-use futures::{Async, Future, Poll};
+use pin_project::pin_project;
 
-use super::{NewService, Service};
+use super::{Service, ServiceFactory};
 
 /// Service for the `map` combinator, changing the type of a service's response.
 ///
 /// This is created by the `ServiceExt::map` method.
-pub struct Map<A, F, Response> {
+pub(crate) struct Map<A, F, Response> {
     service: A,
     f: F,
     _t: PhantomData<Response>,
@@ -52,8 +55,8 @@ where
     type Error = A::Error;
     type Future = MapFuture<A, F, Response>;
 
-    fn poll_ready(&mut self) -> Poll<(), Self::Error> {
-        self.service.poll_ready()
+    fn poll_ready(&mut self, ctx: &mut Context<'_>) -> Poll<Result<(), Self::Error>> {
+        self.service.poll_ready(ctx)
     }
 
     fn call(&mut self, req: A::Request) -> Self::Future {
@@ -61,12 +64,14 @@ where
     }
 }
 
-pub struct MapFuture<A, F, Response>
+#[pin_project]
+pub(crate) struct MapFuture<A, F, Response>
 where
     A: Service,
     F: FnMut(A::Response) -> Response,
 {
     f: F,
+    #[pin]
     fut: A::Future,
 }
 
@@ -85,19 +90,20 @@ where
     A: Service,
     F: FnMut(A::Response) -> Response,
 {
-    type Item = Response;
-    type Error = A::Error;
+    type Output = Result<Response, A::Error>;
 
-    fn poll(&mut self) -> Poll<Self::Item, Self::Error> {
-        match self.fut.poll()? {
-            Async::Ready(resp) => Ok(Async::Ready((self.f)(resp))),
-            Async::NotReady => Ok(Async::NotReady),
+    fn poll(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
+        let this = self.project();
+        match this.fut.poll(cx) {
+            Poll::Ready(Ok(resp)) => Poll::Ready(Ok((this.f)(resp))),
+            Poll::Ready(Err(e)) => Poll::Ready(Err(e)),
+            Poll::Pending => Poll::Pending,
         }
     }
 }
 
 /// `MapNewService` new service combinator
-pub struct MapNewService<A, F, Res> {
+pub(crate) struct MapNewService<A, F, Res> {
     a: A,
     f: F,
     r: PhantomData<Res>,
@@ -107,7 +113,7 @@ impl<A, F, Res> MapNewService<A, F, Res> {
     /// Create new `Map` new service instance
     pub fn new(a: A, f: F) -> Self
     where
-        A: NewService,
+        A: ServiceFactory,
         F: FnMut(A::Response) -> Res,
     {
         Self {
@@ -132,9 +138,9 @@ where
     }
 }
 
-impl<A, F, Res> NewService for MapNewService<A, F, Res>
+impl<A, F, Res> ServiceFactory for MapNewService<A, F, Res>
 where
-    A: NewService,
+    A: ServiceFactory,
     F: FnMut(A::Response) -> Res + Clone,
 {
     type Request = A::Request;
@@ -151,18 +157,20 @@ where
     }
 }
 
-pub struct MapNewServiceFuture<A, F, Res>
+#[pin_project]
+pub(crate) struct MapNewServiceFuture<A, F, Res>
 where
-    A: NewService,
+    A: ServiceFactory,
     F: FnMut(A::Response) -> Res,
 {
+    #[pin]
     fut: A::Future,
     f: Option<F>,
 }
 
 impl<A, F, Res> MapNewServiceFuture<A, F, Res>
 where
-    A: NewService,
+    A: ServiceFactory,
     F: FnMut(A::Response) -> Res,
 {
     fn new(fut: A::Future, f: F) -> Self {
@@ -172,37 +180,38 @@ where
 
 impl<A, F, Res> Future for MapNewServiceFuture<A, F, Res>
 where
-    A: NewService,
+    A: ServiceFactory,
     F: FnMut(A::Response) -> Res,
 {
-    type Item = Map<A::Service, F, Res>;
-    type Error = A::InitError;
+    type Output = Result<Map<A::Service, F, Res>, A::InitError>;
 
-    fn poll(&mut self) -> Poll<Self::Item, Self::Error> {
-        if let Async::Ready(service) = self.fut.poll()? {
-            Ok(Async::Ready(Map::new(service, self.f.take().unwrap())))
+    fn poll(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
+        let this = self.project();
+        if let Poll::Ready(svc) = this.fut.poll(cx)? {
+            Poll::Ready(Ok(Map::new(svc, this.f.take().unwrap())))
         } else {
-            Ok(Async::NotReady)
+            Poll::Pending
         }
     }
 }
 
 #[cfg(test)]
 mod tests {
-    use futures::future::{ok, FutureResult};
+    use futures::future::{lazy, ok, Ready};
 
     use super::*;
-    use crate::{IntoNewService, Service, ServiceExt};
+    use crate::{into_factory, into_service, Service};
 
     struct Srv;
+
     impl Service for Srv {
         type Request = ();
         type Response = ();
         type Error = ();
-        type Future = FutureResult<(), ()>;
+        type Future = Ready<Result<(), ()>>;
 
-        fn poll_ready(&mut self) -> Poll<(), Self::Error> {
-            Ok(Async::Ready(()))
+        fn poll_ready(&mut self, _: &mut Context) -> Poll<Result<(), Self::Error>> {
+            Poll::Ready(Ok(()))
         }
 
         fn call(&mut self, _: ()) -> Self::Future {
@@ -210,32 +219,27 @@ mod tests {
         }
     }
 
-    #[test]
-    fn test_poll_ready() {
-        let mut srv = Srv.map(|_| "ok");
-        let res = srv.poll_ready();
-        assert!(res.is_ok());
-        assert_eq!(res.unwrap(), Async::Ready(()));
+    #[tokio::test]
+    async fn test_poll_ready() {
+        let mut srv = into_service(Srv).map(|_| "ok");
+        let res = lazy(|cx| srv.poll_ready(cx)).await;
+        assert_eq!(res, Poll::Ready(Ok(())));
     }
 
-    #[test]
-    fn test_call() {
-        let mut srv = Srv.map(|_| "ok");
-        let res = srv.call(()).poll();
+    #[tokio::test]
+    async fn test_call() {
+        let mut srv = into_service(Srv).map(|_| "ok");
+        let res = srv.call(()).await;
         assert!(res.is_ok());
-        assert_eq!(res.unwrap(), Async::Ready("ok"));
+        assert_eq!(res.unwrap(), "ok");
     }
 
-    #[test]
-    fn test_new_service() {
-        let blank = || Ok::<_, ()>(Srv);
-        let new_srv = blank.into_new_service().map(|_| "ok");
-        if let Async::Ready(mut srv) = new_srv.new_service(&()).poll().unwrap() {
-            let res = srv.call(()).poll();
+    #[tokio::test]
+    async fn test_new_service() {
+        let new_srv = into_factory(|| ok::<_, ()>(Srv)).map(|_| "ok");
+        let mut srv = new_srv.new_service(&()).await.unwrap();
+        let res = srv.call(()).await;
         assert!(res.is_ok());
-            assert_eq!(res.unwrap(), Async::Ready("ok"));
-        } else {
-            panic!()
-        }
+        assert_eq!(res.unwrap(), ("ok"));
     }
 }

actix-service/src/map_config.rs

@@ -1,14 +1,48 @@
 use std::marker::PhantomData;
 
-use super::NewService;
+use super::ServiceFactory;
 
 pub enum MappedConfig<'a, T> {
     Ref(&'a T),
     Owned(T),
 }
 
+/// Adapt external config to a config for provided new service
+pub fn map_config<T, F, C>(
+    factory: T,
+    f: F,
+) -> impl ServiceFactory<
+    Config = C,
+    Request = T::Request,
+    Response = T::Response,
+    Error = T::Error,
+    InitError = T::InitError,
+>
+where
+    T: ServiceFactory,
+    F: Fn(&C) -> MappedConfig<T::Config>,
+{
+    MapConfig::new(factory, f)
+}
+
+/// Replace config with unit
+pub fn unit_config<T, C>(
+    new_service: T,
+) -> impl ServiceFactory<
+    Config = C,
+    Request = T::Request,
+    Response = T::Response,
+    Error = T::Error,
+    InitError = T::InitError,
+>
+where
+    T: ServiceFactory<Config = ()>,
+{
+    UnitConfig::new(new_service)
+}
+
 /// `MapInitErr` service combinator
-pub struct MapConfig<A, F, C> {
+pub(crate) struct MapConfig<A, F, C> {
     a: A,
     f: F,
     e: PhantomData<C>,
@@ -18,7 +52,7 @@ impl<A, F, C> MapConfig<A, F, C> {
     /// Create new `MapConfig` combinator
     pub fn new(a: A, f: F) -> Self
     where
-        A: NewService,
+        A: ServiceFactory,
         F: Fn(&C) -> MappedConfig<A::Config>,
     {
         Self {
@@ -43,9 +77,9 @@ where
     }
 }
 
-impl<A, F, C> NewService for MapConfig<A, F, C>
+impl<A, F, C> ServiceFactory for MapConfig<A, F, C>
 where
-    A: NewService,
+    A: ServiceFactory,
     F: Fn(&C) -> MappedConfig<A::Config>,
 {
     type Request = A::Request;
@@ -66,17 +100,17 @@ where
 }
 
 /// `MapInitErr` service combinator
-pub struct UnitConfig<A, C> {
+pub(crate) struct UnitConfig<A, C> {
     a: A,
     e: PhantomData<C>,
 }
 
-impl<A, C> UnitConfig<A, C> {
+impl<A, C> UnitConfig<A, C>
+where
+    A: ServiceFactory<Config = ()>,
+{
     /// Create new `UnitConfig` combinator
-    pub fn new(a: A) -> Self
-    where
-        A: NewService<Config = ()>,
-    {
+    pub(crate) fn new(a: A) -> Self {
         Self { a, e: PhantomData }
     }
 }
@@ -93,9 +127,9 @@ where
     }
 }
 
-impl<A, C> NewService for UnitConfig<A, C>
+impl<A, C> ServiceFactory for UnitConfig<A, C>
 where
-    A: NewService<Config = ()>,
+    A: ServiceFactory<Config = ()>,
 {
     type Request = A::Request;
     type Response = A::Response;

actix-service/src/map_err.rs

@@ -1,14 +1,17 @@
+use std::future::Future;
 use std::marker::PhantomData;
+use std::pin::Pin;
+use std::task::{Context, Poll};
 
-use futures::{Async, Future, Poll};
+use pin_project::pin_project;
 
-use super::{NewService, Service};
+use super::{Service, ServiceFactory};
 
 /// Service for the `map_err` combinator, changing the type of a service's
 /// error.
 ///
 /// This is created by the `ServiceExt::map_err` method.
-pub struct MapErr<A, F, E> {
+pub(crate) struct MapErr<A, F, E> {
     service: A,
     f: F,
     _t: PhantomData<E>,
@@ -53,8 +56,8 @@ where
     type Error = E;
     type Future = MapErrFuture<A, F, E>;
 
-    fn poll_ready(&mut self) -> Poll<(), Self::Error> {
-        self.service.poll_ready().map_err(&self.f)
+    fn poll_ready(&mut self, ctx: &mut Context<'_>) -> Poll<Result<(), Self::Error>> {
+        self.service.poll_ready(ctx).map_err(&self.f)
     }
 
     fn call(&mut self, req: A::Request) -> Self::Future {
@@ -62,12 +65,14 @@ where
     }
 }
 
-pub struct MapErrFuture<A, F, E>
+#[pin_project]
+pub(crate) struct MapErrFuture<A, F, E>
 where
     A: Service,
     F: Fn(A::Error) -> E,
 {
     f: F,
+    #[pin]
     fut: A::Future,
 }
 
@@ -86,21 +91,21 @@ where
     A: Service,
     F: Fn(A::Error) -> E,
 {
-    type Item = A::Response;
-    type Error = E;
+    type Output = Result<A::Response, E>;
 
-    fn poll(&mut self) -> Poll<Self::Item, Self::Error> {
-        self.fut.poll().map_err(&self.f)
+    fn poll(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
+        let this = self.project();
+        this.fut.poll(cx).map_err(this.f)
     }
 }
 
-/// NewService for the `map_err` combinator, changing the type of a new
+/// Factory for the `map_err` combinator, changing the type of a new
 /// service's error.
 ///
 /// This is created by the `NewServiceExt::map_err` method.
-pub struct MapErrNewService<A, F, E>
+pub(crate) struct MapErrNewService<A, F, E>
 where
-    A: NewService,
+    A: ServiceFactory,
     F: Fn(A::Error) -> E + Clone,
 {
     a: A,
@@ -110,11 +115,11 @@ where
 
 impl<A, F, E> MapErrNewService<A, F, E>
 where
-    A: NewService,
+    A: ServiceFactory,
     F: Fn(A::Error) -> E + Clone,
 {
     /// Create new `MapErr` new service instance
-    pub fn new(a: A, f: F) -> Self {
+    pub(crate) fn new(a: A, f: F) -> Self {
         Self {
             a,
             f,
@@ -125,7 +130,7 @@ where
 
 impl<A, F, E> Clone for MapErrNewService<A, F, E>
 where
-    A: NewService + Clone,
+    A: ServiceFactory + Clone,
     F: Fn(A::Error) -> E + Clone,
 {
     fn clone(&self) -> Self {
@@ -137,9 +142,9 @@ where
     }
 }
 
-impl<A, F, E> NewService for MapErrNewService<A, F, E>
+impl<A, F, E> ServiceFactory for MapErrNewService<A, F, E>
 where
-    A: NewService,
+    A: ServiceFactory,
     F: Fn(A::Error) -> E + Clone,
 {
     type Request = A::Request;
@@ -156,18 +161,20 @@ where
     }
 }
 
-pub struct MapErrNewServiceFuture<A, F, E>
+#[pin_project]
+pub(crate) struct MapErrNewServiceFuture<A, F, E>
 where
-    A: NewService,
+    A: ServiceFactory,
     F: Fn(A::Error) -> E,
 {
+    #[pin]
     fut: A::Future,
     f: F,
 }
 
 impl<A, F, E> MapErrNewServiceFuture<A, F, E>
 where
-    A: NewService,
+    A: ServiceFactory,
     F: Fn(A::Error) -> E,
 {
     fn new(fut: A::Future, f: F) -> Self {
@@ -177,27 +184,27 @@ where
 
 impl<A, F, E> Future for MapErrNewServiceFuture<A, F, E>
 where
-    A: NewService,
+    A: ServiceFactory,
     F: Fn(A::Error) -> E + Clone,
 {
-    type Item = MapErr<A::Service, F, E>;
-    type Error = A::InitError;
+    type Output = Result<MapErr<A::Service, F, E>, A::InitError>;
 
-    fn poll(&mut self) -> Poll<Self::Item, Self::Error> {
-        if let Async::Ready(service) = self.fut.poll()? {
-            Ok(Async::Ready(MapErr::new(service, self.f.clone())))
+    fn poll(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
+        let this = self.project();
+        if let Poll::Ready(svc) = this.fut.poll(cx)? {
+            Poll::Ready(Ok(MapErr::new(svc, this.f.clone())))
         } else {
-            Ok(Async::NotReady)
+            Poll::Pending
         }
     }
 }
 
 #[cfg(test)]
 mod tests {
-    use futures::future::{err, FutureResult};
+    use futures::future::{err, lazy, ok, Ready};
 
     use super::*;
-    use crate::{IntoNewService, NewService, Service, ServiceExt};
+    use crate::{into_factory, into_service, Service};
 
     struct Srv;
 
@@ -205,10 +212,10 @@ mod tests {
         type Request = ();
         type Response = ();
         type Error = ();
-        type Future = FutureResult<(), ()>;
+        type Future = Ready<Result<(), ()>>;
 
-        fn poll_ready(&mut self) -> Poll<(), Self::Error> {
-            Err(())
+        fn poll_ready(&mut self, _: &mut Context) -> Poll<Result<(), Self::Error>> {
+            Poll::Ready(Err(()))
         }
 
         fn call(&mut self, _: ()) -> Self::Future {
@@ -216,32 +223,27 @@ mod tests {
         }
     }
 
-    #[test]
-    fn test_poll_ready() {
-        let mut srv = Srv.map_err(|_| "error");
-        let res = srv.poll_ready();
+    #[tokio::test]
+    async fn test_poll_ready() {
+        let mut srv = into_service(Srv).map_err(|_| "error");
+        let res = lazy(|cx| srv.poll_ready(cx)).await;
+        assert_eq!(res, Poll::Ready(Err("error")));
+    }
+
+    #[tokio::test]
+    async fn test_call() {
+        let mut srv = into_service(Srv).map_err(|_| "error");
+        let res = srv.call(()).await;
         assert!(res.is_err());
         assert_eq!(res.err().unwrap(), "error");
     }
 
-    #[test]
-    fn test_call() {
-        let mut srv = Srv.map_err(|_| "error");
-        let res = srv.call(()).poll();
+    #[tokio::test]
+    async fn test_new_service() {
+        let new_srv = into_factory(|| ok::<_, ()>(Srv)).map_err(|_| "error");
+        let mut srv = new_srv.new_service(&()).await.unwrap();
+        let res = srv.call(()).await;
         assert!(res.is_err());
         assert_eq!(res.err().unwrap(), "error");
     }
-
-    #[test]
-    fn test_new_service() {
-        let blank = || Ok::<_, ()>(Srv);
-        let new_srv = blank.into_new_service().map_err(|_| "error");
-        if let Async::Ready(mut srv) = new_srv.new_service(&()).poll().unwrap() {
-            let res = srv.call(()).poll();
-            assert!(res.is_err());
-            assert_eq!(res.err().unwrap(), "error");
-        } else {
-            panic!()
-        }
-    }
 }

actix-service/src/map_init_err.rs

@@ -1,23 +1,26 @@
+use std::future::Future;
 use std::marker::PhantomData;
+use std::pin::Pin;
+use std::task::{Context, Poll};
 
-use futures::{Future, Poll};
+use pin_project::pin_project;
 
-use super::NewService;
+use super::ServiceFactory;
 
 /// `MapInitErr` service combinator
-pub struct MapInitErr<A, F, E> {
+pub(crate) struct MapInitErr<A, F, E> {
     a: A,
     f: F,
     e: PhantomData<E>,
 }
 
-impl<A, F, E> MapInitErr<A, F, E> {
-    /// Create new `MapInitErr` combinator
-    pub fn new(a: A, f: F) -> Self
-    where
-        A: NewService,
+impl<A, F, E> MapInitErr<A, F, E>
+where
+    A: ServiceFactory,
     F: Fn(A::InitError) -> E,
-    {
+{
+    /// Create new `MapInitErr` combinator
+    pub(crate) fn new(a: A, f: F) -> Self {
         Self {
             a,
             f,
@@ -40,9 +43,9 @@ where
     }
 }
 
-impl<A, F, E> NewService for MapInitErr<A, F, E>
+impl<A, F, E> ServiceFactory for MapInitErr<A, F, E>
 where
-    A: NewService,
+    A: ServiceFactory,
     F: Fn(A::InitError) -> E + Clone,
 {
     type Request = A::Request;
@@ -58,19 +61,20 @@ where
         MapInitErrFuture::new(self.a.new_service(cfg), self.f.clone())
     }
 }
-
-pub struct MapInitErrFuture<A, F, E>
+#[pin_project]
+pub(crate) struct MapInitErrFuture<A, F, E>
 where
-    A: NewService,
+    A: ServiceFactory,
     F: Fn(A::InitError) -> E,
 {
     f: F,
+    #[pin]
     fut: A::Future,
 }
 
 impl<A, F, E> MapInitErrFuture<A, F, E>
 where
-    A: NewService,
+    A: ServiceFactory,
     F: Fn(A::InitError) -> E,
 {
     fn new(fut: A::Future, f: F) -> Self {
@@ -80,13 +84,13 @@ where
 
 impl<A, F, E> Future for MapInitErrFuture<A, F, E>
 where
-    A: NewService,
+    A: ServiceFactory,
     F: Fn(A::InitError) -> E,
 {
-    type Item = A::Service;
-    type Error = E;
+    type Output = Result<A::Service, E>;
 
-    fn poll(&mut self) -> Poll<Self::Item, Self::Error> {
-        self.fut.poll().map_err(&self.f)
+    fn poll(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
+        let this = self.project();
+        this.fut.poll(cx).map_err(this.f)
     }
 }

actix-service/src/pipeline.rs

@@ -0,0 +1,196 @@
+use std::task::{Context, Poll};
+
+use crate::and_then::{AndThen, AndThenNewService};
+use crate::then::{Then, ThenNewService};
+use crate::{IntoService, IntoServiceFactory, Service, ServiceFactory};
+
+pub fn pipeline<F, T>(service: F) -> Pipeline<T>
+where
+    F: IntoService<T>,
+    T: Service,
+{
+    Pipeline {
+        service: service.into_service(),
+    }
+}
+
+pub fn pipeline_factory<T, F>(factory: F) -> PipelineFactory<T>
+where
+    T: ServiceFactory,
+    F: IntoServiceFactory<T>,
+{
+    PipelineFactory {
+        factory: factory.into_factory(),
+    }
+}
+
+/// Pipeline service
+pub struct Pipeline<T> {
+    service: T,
+}
+
+impl<T: Service> Pipeline<T> {
+    /// Call another service after call to this one has resolved successfully.
+    ///
+    /// This function can be used to chain two services together and ensure that
+    /// the second service isn't called until call to the fist service have
+    /// finished. Result of the call to the first service is used as an
+    /// input parameter for the second service's call.
+    ///
+    /// Note that this function consumes the receiving service and returns a
+    /// wrapped version of it.
+    pub fn and_then<F, U>(
+        self,
+        service: F,
+    ) -> Pipeline<impl Service<Request = T::Request, Response = U::Response, Error = T::Error>>
+    where
+        Self: Sized,
+        F: IntoService<U>,
+        U: Service<Request = T::Response, Error = T::Error>,
+    {
+        Pipeline {
+            service: AndThen::new(self.service, service.into_service()),
+        }
+    }
+
+    /// Chain on a computation for when a call to the service finished,
+    /// passing the result of the call to the next service `U`.
+    ///
+    /// Note that this function consumes the receiving pipeline and returns a
+    /// wrapped version of it.
+    pub fn then<F, U>(
+        self,
+        service: F,
+    ) -> Pipeline<impl Service<Request = T::Request, Response = U::Response, Error = T::Error>>
+    where
+        Self: Sized,
+        F: IntoService<U>,
+        U: Service<Request = Result<T::Response, T::Error>, Error = T::Error>,
+    {
+        Pipeline {
+            service: Then::new(self.service, service.into_service()),
+        }
+    }
+}
+
+impl<T> Clone for Pipeline<T>
+where
+    T: Clone,
+{
+    fn clone(&self) -> Self {
+        Pipeline {
+            service: self.service.clone(),
+        }
+    }
+}
+
+impl<T: Service> Service for Pipeline<T> {
+    type Request = T::Request;
+    type Response = T::Response;
+    type Error = T::Error;
+    type Future = T::Future;
+
+    #[inline]
+    fn poll_ready(&mut self, ctx: &mut Context<'_>) -> Poll<Result<(), T::Error>> {
+        self.service.poll_ready(ctx)
+    }
+
+    #[inline]
+    fn call(&mut self, req: T::Request) -> Self::Future {
+        self.service.call(req)
+    }
+}
+
+/// Pipeline constructor
+pub struct PipelineFactory<T> {
+    factory: T,
+}
+
+impl<T: ServiceFactory> PipelineFactory<T> {
+    /// Call another service after call to this one has resolved successfully.
+    pub fn and_then<F, U>(
+        self,
+        factory: F,
+    ) -> PipelineFactory<
+        impl ServiceFactory<
+            Config = T::Config,
+            Request = T::Request,
+            Response = U::Response,
+            Error = T::Error,
+            InitError = T::InitError,
+        >,
+    >
+    where
+        Self: Sized,
+        F: IntoServiceFactory<U>,
+        U: ServiceFactory<
+            Config = T::Config,
+            Request = T::Response,
+            Error = T::Error,
+            InitError = T::InitError,
+        >,
+    {
+        PipelineFactory {
+            factory: AndThenNewService::new(self.factory, factory.into_factory()),
+        }
+    }
+
+    /// Create `NewService` to chain on a computation for when a call to the
+    /// service finished, passing the result of the call to the next
+    /// service `U`.
+    ///
+    /// Note that this function consumes the receiving pipeline and returns a
+    /// wrapped version of it.
+    pub fn then<F, U>(
+        self,
+        factory: F,
+    ) -> PipelineFactory<
+        impl ServiceFactory<
+            Config = T::Config,
+            Request = T::Request,
+            Response = U::Response,
+            Error = T::Error,
+            InitError = T::InitError,
+        >,
+    >
+    where
+        Self: Sized,
+        F: IntoServiceFactory<U>,
+        U: ServiceFactory<
+            Config = T::Config,
+            Request = Result<T::Response, T::Error>,
+            Error = T::Error,
+            InitError = T::InitError,
+        >,
+    {
+        PipelineFactory {
+            factory: ThenNewService::new(self.factory, factory.into_factory()),
+        }
+    }
+}
+
+impl<T> Clone for PipelineFactory<T>
+where
+    T: Clone,
+{
+    fn clone(&self) -> Self {
+        PipelineFactory {
+            factory: self.factory.clone(),
+        }
+    }
+}
+
+impl<T: ServiceFactory> ServiceFactory for PipelineFactory<T> {
+    type Config = T::Config;
+    type Request = T::Request;
+    type Response = T::Response;
+    type Error = T::Error;
+    type Service = T::Service;
+    type InitError = T::InitError;
+    type Future = T::Future;
+
+    #[inline]
+    fn new_service(&self, cfg: &T::Config) -> Self::Future {
+        self.factory.new_service(cfg)
+    }
+}

actix-service/src/then.rs

@@ -1,13 +1,17 @@
-use futures::{Async, Future, Poll};
+use std::future::Future;
+use std::pin::Pin;
+use std::task::{Context, Poll};
 
-use super::{IntoNewService, NewService, Service};
+use pin_project::pin_project;
+
+use super::{Service, ServiceFactory};
 use crate::cell::Cell;
 
 /// Service for the `then` combinator, chaining a computation onto the end of
 /// another service.
 ///
 /// This is created by the `ServiceExt::then` method.
-pub struct Then<A, B> {
+pub(crate) struct Then<A, B> {
     a: A,
     b: Cell<B>,
 }
@@ -45,12 +49,12 @@ where
     type Error = B::Error;
     type Future = ThenFuture<A, B>;
 
-    fn poll_ready(&mut self) -> Poll<(), Self::Error> {
-        let not_ready = self.a.poll_ready()?.is_not_ready();
-        if self.b.get_mut().poll_ready()?.is_not_ready() || not_ready {
-            Ok(Async::NotReady)
+    fn poll_ready(&mut self, ctx: &mut Context<'_>) -> Poll<Result<(), Self::Error>> {
+        let not_ready = !self.a.poll_ready(ctx)?.is_ready();
+        if !self.b.get_mut().poll_ready(ctx)?.is_ready() || not_ready {
+            Poll::Pending
         } else {
-            Ok(Async::Ready(()))
+            Poll::Ready(Ok(()))
         }
     }
 
@@ -59,13 +63,16 @@ where
     }
 }
 
-pub struct ThenFuture<A, B>
+#[pin_project]
+pub(crate) struct ThenFuture<A, B>
 where
     A: Service,
     B: Service<Request = Result<A::Response, A::Error>>,
 {
     b: Cell<B>,
+    #[pin]
     fut_b: Option<B::Future>,
+    #[pin]
     fut_a: Option<A::Future>,
 }
 
@@ -88,60 +95,63 @@ where
     A: Service,
     B: Service<Request = Result<A::Response, A::Error>>,
 {
-    type Item = B::Response;
-    type Error = B::Error;
+    type Output = Result<B::Response, B::Error>;
 
-    fn poll(&mut self) -> Poll<Self::Item, Self::Error> {
-        if let Some(ref mut fut) = self.fut_b {
-            return fut.poll();
+    fn poll(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
+        let mut this = self.project();
+
+        loop {
+            let mut fut_a = this.fut_a.as_mut();
+            let mut fut_b = this.fut_b.as_mut();
+
+            if let Some(fut) = fut_b.as_mut().as_pin_mut() {
+                return fut.poll(cx);
             }
 
-        match self.fut_a.as_mut().expect("bug in actix-service").poll() {
-            Ok(Async::Ready(resp)) => {
-                let _ = self.fut_a.take();
-                self.fut_b = Some(self.b.get_mut().call(Ok(resp)));
-                self.poll()
+            match fut_a
+                .as_mut()
+                .as_pin_mut()
+                .expect("Bug in actix-service")
+                .poll(cx)
+            {
+                Poll::Ready(r) => {
+                    fut_a.set(None);
+                    let new_fut = this.b.get_mut().call(r);
+                    fut_b.set(Some(new_fut));
                 }
-            Err(err) => {
-                let _ = self.fut_a.take();
-                self.fut_b = Some(self.b.get_mut().call(Err(err)));
-                self.poll()
+
+                Poll::Pending => return Poll::Pending,
             }
-            Ok(Async::NotReady) => Ok(Async::NotReady),
         }
     }
 }
 
-/// `ThenNewService` new service combinator
-pub struct ThenNewService<A, B> {
+/// `.then()` service factory combinator
+pub(crate) struct ThenNewService<A, B> {
     a: A,
     b: B,
 }
 
-impl<A, B> ThenNewService<A, B> {
-    /// Create new `AndThen` combinator
-    pub fn new<F>(a: A, f: F) -> Self
-    where
-        A: NewService,
-        B: NewService<
+impl<A, B> ThenNewService<A, B>
+where
+    A: ServiceFactory,
+    B: ServiceFactory<
         Config = A::Config,
         Request = Result<A::Response, A::Error>,
         Error = A::Error,
         InitError = A::InitError,
     >,
-        F: IntoNewService<B>,
-    {
-        Self {
-            a,
-            b: f.into_new_service(),
-        }
+{
+    /// Create new `AndThen` combinator
+    pub fn new(a: A, b: B) -> Self {
+        Self { a, b }
     }
 }
 
-impl<A, B> NewService for ThenNewService<A, B>
+impl<A, B> ServiceFactory for ThenNewService<A, B>
 where
-    A: NewService,
-    B: NewService<
+    A: ServiceFactory,
+    B: ServiceFactory<
         Config = A::Config,
         Request = Result<A::Response, A::Error>,
         Error = A::Error,
@@ -175,17 +185,20 @@ where
     }
 }
 
-pub struct ThenNewServiceFuture<A, B>
+#[pin_project]
+pub(crate) struct ThenNewServiceFuture<A, B>
 where
-    A: NewService,
-    B: NewService<
+    A: ServiceFactory,
+    B: ServiceFactory<
         Config = A::Config,
         Request = Result<A::Response, A::Error>,
         Error = A::Error,
         InitError = A::InitError,
     >,
 {
+    #[pin]
     fut_b: B::Future,
+    #[pin]
     fut_a: A::Future,
     a: Option<A::Service>,
     b: Option<B::Service>,
@@ -193,8 +206,8 @@ where
 
 impl<A, B> ThenNewServiceFuture<A, B>
 where
-    A: NewService,
-    B: NewService<
+    A: ServiceFactory,
+    B: ServiceFactory<
         Config = A::Config,
         Request = Result<A::Response, A::Error>,
         Error = A::Error,
@@ -213,61 +226,61 @@ where
 
 impl<A, B> Future for ThenNewServiceFuture<A, B>
 where
-    A: NewService,
-    B: NewService<
+    A: ServiceFactory,
+    B: ServiceFactory<
         Config = A::Config,
         Request = Result<A::Response, A::Error>,
         Error = A::Error,
         InitError = A::InitError,
     >,
 {
-    type Item = Then<A::Service, B::Service>;
-    type Error = A::InitError;
+    type Output = Result<Then<A::Service, B::Service>, A::InitError>;
 
-    fn poll(&mut self) -> Poll<Self::Item, Self::Error> {
-        if self.a.is_none() {
-            if let Async::Ready(service) = self.fut_a.poll()? {
-                self.a = Some(service);
+    fn poll(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
+        let this = self.project();
+        if this.a.is_none() {
+            if let Poll::Ready(service) = this.fut_a.poll(cx)? {
+                *this.a = Some(service);
             }
         }
-
-        if self.b.is_none() {
-            if let Async::Ready(service) = self.fut_b.poll()? {
-                self.b = Some(service);
+        if this.b.is_none() {
+            if let Poll::Ready(service) = this.fut_b.poll(cx)? {
+                *this.b = Some(service);
             }
         }
-
-        if self.a.is_some() && self.b.is_some() {
-            Ok(Async::Ready(Then::new(
-                self.a.take().unwrap(),
-                self.b.take().unwrap(),
+        if this.a.is_some() && this.b.is_some() {
+            Poll::Ready(Ok(Then::new(
+                this.a.take().unwrap(),
+                this.b.take().unwrap(),
             )))
         } else {
-            Ok(Async::NotReady)
+            Poll::Pending
         }
     }
 }
 
 #[cfg(test)]
 mod tests {
-    use futures::future::{err, ok, FutureResult};
-    use futures::{Async, Future, Poll};
     use std::cell::Cell;
     use std::rc::Rc;
+    use std::task::{Context, Poll};
 
-    use crate::{IntoNewService, NewService, Service, ServiceExt};
+    use futures::future::{err, lazy, ok, ready, Ready};
+
+    use crate::{pipeline, pipeline_factory, Service, ServiceFactory};
 
     #[derive(Clone)]
     struct Srv1(Rc<Cell<usize>>);
+
     impl Service for Srv1 {
         type Request = Result<&'static str, &'static str>;
         type Response = &'static str;
         type Error = ();
-        type Future = FutureResult<Self::Response, Self::Error>;
+        type Future = Ready<Result<Self::Response, Self::Error>>;
 
-        fn poll_ready(&mut self) -> Poll<(), Self::Error> {
+        fn poll_ready(&mut self, _: &mut Context<'_>) -> Poll<Result<(), Self::Error>> {
             self.0.set(self.0.get() + 1);
-            Ok(Async::Ready(()))
+            Poll::Ready(Ok(()))
         }
 
         fn call(&mut self, req: Result<&'static str, &'static str>) -> Self::Future {
@@ -284,11 +297,11 @@ mod tests {
         type Request = Result<&'static str, ()>;
         type Response = (&'static str, &'static str);
         type Error = ();
-        type Future = FutureResult<Self::Response, ()>;
+        type Future = Ready<Result<Self::Response, ()>>;
 
-        fn poll_ready(&mut self) -> Poll<(), Self::Error> {
+        fn poll_ready(&mut self, _: &mut Context<'_>) -> Poll<Result<(), Self::Error>> {
             self.0.set(self.0.get() + 1);
-            Ok(Async::Ready(()))
+            Poll::Ready(Err(()))
         }
 
         fn call(&mut self, req: Result<&'static str, ()>) -> Self::Future {
@@ -299,46 +312,42 @@ mod tests {
         }
     }
 
-    #[test]
-    fn test_poll_ready() {
+    #[tokio::test]
+    async fn test_poll_ready() {
         let cnt = Rc::new(Cell::new(0));
-        let mut srv = Srv1(cnt.clone()).then(Srv2(cnt.clone()));
-        let res = srv.poll_ready();
-        assert!(res.is_ok());
-        assert_eq!(res.unwrap(), Async::Ready(()));
+        let mut srv = pipeline(Srv1(cnt.clone())).then(Srv2(cnt.clone()));
+        let res = lazy(|cx| srv.poll_ready(cx)).await;
+        assert_eq!(res, Poll::Ready(Err(())));
         assert_eq!(cnt.get(), 2);
     }
 
-    #[test]
-    fn test_call() {
+    #[tokio::test]
+    async fn test_call() {
         let cnt = Rc::new(Cell::new(0));
-        let mut srv = Srv1(cnt.clone()).then(Srv2(cnt)).clone();
+        let mut srv = pipeline(Srv1(cnt.clone())).then(Srv2(cnt));
 
-        let res = srv.call(Ok("srv1")).poll();
+        let res = srv.call(Ok("srv1")).await;
         assert!(res.is_ok());
-        assert_eq!(res.unwrap(), Async::Ready(("srv1", "ok")));
+        assert_eq!(res.unwrap(), (("srv1", "ok")));
 
-        let res = srv.call(Err("srv")).poll();
+        let res = srv.call(Err("srv")).await;
         assert!(res.is_ok());
-        assert_eq!(res.unwrap(), Async::Ready(("srv2", "err")));
+        assert_eq!(res.unwrap(), (("srv2", "err")));
     }
 
-    #[test]
-    fn test_new_service() {
+    #[tokio::test]
+    async fn test_factory() {
         let cnt = Rc::new(Cell::new(0));
         let cnt2 = cnt.clone();
-        let blank = move || Ok::<_, ()>(Srv1(cnt2.clone()));
-        let new_srv = blank.into_new_service().then(move || Ok(Srv2(cnt.clone())));
-        if let Async::Ready(mut srv) = new_srv.clone().new_service(&()).poll().unwrap() {
-            let res = srv.call(Ok("srv1")).poll();
+        let blank = move || ready(Ok::<_, ()>(Srv1(cnt2.clone())));
+        let factory = pipeline_factory(blank).then(move || ready(Ok(Srv2(cnt.clone()))));
+        let mut srv = factory.new_service(&()).await.unwrap();
+        let res = srv.call(Ok("srv1")).await;
         assert!(res.is_ok());
-            assert_eq!(res.unwrap(), Async::Ready(("srv1", "ok")));
+        assert_eq!(res.unwrap(), (("srv1", "ok")));
 
-            let res = srv.call(Err("srv")).poll();
+        let res = srv.call(Err("srv")).await;
         assert!(res.is_ok());
-            assert_eq!(res.unwrap(), Async::Ready(("srv2", "err")));
-        } else {
-            panic!()
-        }
+        assert_eq!(res.unwrap(), (("srv2", "err")));
     }
 }

actix-service/src/transform.rs

@@ -1,10 +1,13 @@
+use std::future::Future;
+use std::pin::Pin;
 use std::rc::Rc;
 use std::sync::Arc;
+use std::task::{Context, Poll};
 
-use futures::{Async, Future, IntoFuture, Poll};
+use crate::transform_err::TransformMapInitErr;
+use crate::{IntoServiceFactory, Service, ServiceFactory};
 
-use crate::transform_err::{TransformFromErr, TransformMapInitErr};
-use crate::{IntoNewService, NewService, Service};
+use pin_project::pin_project;
 
 /// The `Transform` trait defines the interface of a Service factory. `Transform`
 /// is often implemented for middleware, defining how to construct a
@@ -32,7 +35,7 @@ pub trait Transform<S> {
     type InitError;
 
     /// The future response value.
-    type Future: Future<Item = Self::Transform, Error = Self::InitError>;
+    type Future: Future<Output = Result<Self::Transform, Self::InitError>>;
 
     /// Creates and returns a new Service component, asynchronously
     fn new_transform(&self, service: S) -> Self::Future;
@@ -46,32 +49,6 @@ pub trait Transform<S> {
     {
         TransformMapInitErr::new(self, f)
     }
-
-    /// Map this service's init error to any error implementing `From` for
-    /// this service`s `Error`.
-    ///
-    /// Note that this function consumes the receiving transform and returns a
-    /// wrapped version of it.
-    fn from_err<E>(self) -> TransformFromErr<Self, S, E>
-    where
-        Self: Sized,
-        E: From<Self::InitError>,
-    {
-        TransformFromErr::new(self)
-    }
-
-    // /// Map this service's init error to service's init error
-    // /// if it is implementing `Into` to this service`s `InitError`.
-    // ///
-    // /// Note that this function consumes the receiving transform and returns a
-    // /// wrapped version of it.
-    // fn into_err<E>(self) -> TransformIntoErr<Self, S>
-    // where
-    //     Self: Sized,
-    //     Self::InitError: From<Self::InitError>,
-    // {
-    //     TransformFromErr::new(self)
-    // }
 }
 
 impl<T, S> Transform<S> for Rc<T>
@@ -106,31 +83,13 @@ where
     }
 }
 
-/// Trait for types that can be converted to a *transform service*
-pub trait IntoTransform<T, S>
-where
-    T: Transform<S>,
-{
-    /// Convert to a `TransformService`
-    fn into_transform(self) -> T;
-}
-
-impl<T, S> IntoTransform<T, S> for T
-where
-    T: Transform<S>,
-{
-    fn into_transform(self) -> T {
-        self
-    }
-}
-
-/// Apply transform to service factory. Function returns
+/// Apply transform to a service. Function returns
 /// services factory that in initialization creates
 /// service and applies transform to this service.
-pub fn apply_transform<T, S, F, U>(
-    t: F,
+pub fn apply<T, S, U>(
+    t: T,
     service: U,
-) -> impl NewService<
+) -> impl ServiceFactory<
     Config = S::Config,
     Request = T::Request,
     Response = T::Response,
@@ -139,30 +98,29 @@ pub fn apply_transform<T, S, F, U>(
     InitError = S::InitError,
 > + Clone
 where
-    S: NewService,
+    S: ServiceFactory,
     T: Transform<S::Service, InitError = S::InitError>,
-    F: IntoTransform<T, S::Service>,
-    U: IntoNewService<S>,
+    U: IntoServiceFactory<S>,
 {
-    ApplyTransform::new(t.into_transform(), service.into_new_service())
+    ApplyTransform::new(t, service.into_factory())
 }
 
 /// `Apply` transform to new service
-pub struct ApplyTransform<T, S> {
+struct ApplyTransform<T, S> {
     s: Rc<S>,
     t: Rc<T>,
 }
 
 impl<T, S> ApplyTransform<T, S>
 where
-    S: NewService,
+    S: ServiceFactory,
     T: Transform<S::Service, InitError = S::InitError>,
 {
     /// Create new `ApplyTransform` new service instance
-    pub fn new<F: IntoTransform<T, S::Service>>(t: F, service: S) -> Self {
+    fn new(t: T, service: S) -> Self {
         Self {
             s: Rc::new(service),
-            t: Rc::new(t.into_transform()),
+            t: Rc::new(t),
         }
     }
 }
@@ -176,9 +134,9 @@ impl<T, S> Clone for ApplyTransform<T, S> {
     }
 }
 
-impl<T, S> NewService for ApplyTransform<T, S>
+impl<T, S> ServiceFactory for ApplyTransform<T, S>
 where
-    S: NewService,
+    S: ServiceFactory,
     T: Transform<S::Service, InitError = S::InitError>,
 {
     type Request = T::Request;
@@ -193,40 +151,45 @@ where
     fn new_service(&self, cfg: &S::Config) -> Self::Future {
         ApplyTransformFuture {
             t_cell: self.t.clone(),
-            fut_a: self.s.new_service(cfg).into_future(),
+            fut_a: self.s.new_service(cfg),
             fut_t: None,
         }
     }
 }
 
-pub struct ApplyTransformFuture<T, S>
+#[pin_project]
+struct ApplyTransformFuture<T, S>
 where
-    S: NewService,
+    S: ServiceFactory,
     T: Transform<S::Service, InitError = S::InitError>,
 {
+    #[pin]
     fut_a: S::Future,
-    fut_t: Option<<T::Future as IntoFuture>::Future>,
+    #[pin]
+    fut_t: Option<T::Future>,
     t_cell: Rc<T>,
 }
 
 impl<T, S> Future for ApplyTransformFuture<T, S>
 where
-    S: NewService,
+    S: ServiceFactory,
     T: Transform<S::Service, InitError = S::InitError>,
 {
-    type Item = T::Transform;
-    type Error = T::InitError;
+    type Output = Result<T::Transform, T::InitError>;
 
-    fn poll(&mut self) -> Poll<Self::Item, Self::Error> {
-        if self.fut_t.is_none() {
-            if let Async::Ready(service) = self.fut_a.poll()? {
-                self.fut_t = Some(self.t_cell.new_transform(service).into_future());
+    fn poll(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
+        let mut this = self.project();
+
+        if this.fut_t.as_mut().as_pin_mut().is_none() {
+            if let Poll::Ready(service) = this.fut_a.poll(cx)? {
+                this.fut_t.set(Some(this.t_cell.new_transform(service)));
             }
         }
-        if let Some(ref mut fut) = self.fut_t {
-            fut.poll()
+
+        if let Some(fut) = this.fut_t.as_mut().as_pin_mut() {
+            fut.poll(cx)
         } else {
-            Ok(Async::NotReady)
+            Poll::Pending
         }
     }
 }

actix-service/src/transform_err.rs

@@ -1,6 +1,9 @@
+use std::future::Future;
 use std::marker::PhantomData;
+use std::pin::Pin;
+use std::task::{Context, Poll};
 
-use futures::{Future, Poll};
+use pin_project::pin_project;
 
 use super::Transform;
 
@@ -63,12 +66,13 @@ where
         }
     }
 }
-
+#[pin_project]
 pub struct TransformMapInitErrFuture<T, S, F, E>
 where
     T: Transform<S>,
     F: Fn(T::InitError) -> E,
 {
+    #[pin]
     fut: T::Future,
     f: F,
 }
@@ -78,85 +82,10 @@ where
     T: Transform<S>,
     F: Fn(T::InitError) -> E + Clone,
 {
-    type Item = T::Transform;
-    type Error = E;
+    type Output = Result<T::Transform, E>;
 
-    fn poll(&mut self) -> Poll<Self::Item, Self::Error> {
-        self.fut.poll().map_err(&self.f)
-    }
-}
-
-/// Transform for the `from_err` combinator, changing the type of a new
-/// transform's init error.
-///
-/// This is created by the `Transform::from_err` method.
-pub struct TransformFromErr<T, S, E> {
-    t: T,
-    e: PhantomData<(S, E)>,
-}
-
-impl<T, S, E> TransformFromErr<T, S, E>
-where
-    T: Transform<S>,
-    E: From<T::InitError>,
-{
-    /// Create new `TransformFromErr` new transform instance
-    pub fn new(t: T) -> Self {
-        Self { t, e: PhantomData }
-    }
-}
-
-impl<T, S, E> Clone for TransformFromErr<T, S, E>
-where
-    T: Clone,
-{
-    fn clone(&self) -> Self {
-        Self {
-            t: self.t.clone(),
-            e: PhantomData,
-        }
-    }
-}
-
-impl<T, S, E> Transform<S> for TransformFromErr<T, S, E>
-where
-    T: Transform<S>,
-    E: From<T::InitError>,
-{
-    type Request = T::Request;
-    type Response = T::Response;
-    type Error = T::Error;
-    type Transform = T::Transform;
-
-    type InitError = E;
-    type Future = TransformFromErrFuture<T, S, E>;
-
-    fn new_transform(&self, service: S) -> Self::Future {
-        TransformFromErrFuture {
-            fut: self.t.new_transform(service),
-            _t: PhantomData,
-        }
-    }
-}
-
-pub struct TransformFromErrFuture<T, S, E>
-where
-    T: Transform<S>,
-    E: From<T::InitError>,
-{
-    fut: T::Future,
-    _t: PhantomData<E>,
-}
-
-impl<T, S, E> Future for TransformFromErrFuture<T, S, E>
-where
-    T: Transform<S>,
-    E: From<T::InitError>,
-{
-    type Item = T::Transform;
-    type Error = E;
-
-    fn poll(&mut self) -> Poll<Self::Item, Self::Error> {
-        self.fut.poll().map_err(E::from)
+    fn poll(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
+        let this = self.project();
+        this.fut.poll(cx).map_err(this.f)
     }
 }

actix-test-server/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "actix-test-server"
-version = "0.2.3"
+version = "0.2.2"
 authors = ["Nikolay Kim <fafhrd91@gmail.com>"]
 description = "Actix test server"
 keywords = ["network", "framework", "async", "futures"]
@@ -11,11 +11,27 @@ categories = ["network-programming", "asynchronous"]
 license = "MIT/Apache-2.0"
 exclude = [".gitignore", ".travis.yml", ".cargo/config", "appveyor.yml"]
 edition = "2018"
+workspace = ".."
+
+[package.metadata.docs.rs]
+features = ["ssl", "tls", "rust-tls"]
 
 [lib]
 name = "actix_test_server"
 path = "src/lib.rs"
 
+[features]
+default = []
+
+# tls
+tls = ["native-tls", "actix-server/tls"]
+
+# openssl
+ssl = ["openssl", "actix-server/ssl"]
+
+# rustls
+rust-tls = ["rustls", "tokio-rustls", "webpki", "webpki-roots"]
+
 [dependencies]
 actix-rt = "0.2.1"
 actix-server = "0.5.0"
@@ -24,9 +40,21 @@ actix-testing = "0.1.0"
 
 log = "0.4"
 net2 = "0.2"
-futures = "0.1"
-tokio-tcp = "0.1"
-tokio-reactor = "0.1"
+futures = { package = "futures-preview", version = "0.3.0-alpha.18"}
+tokio-io = "0.2.0-alpha.4"
+tokio-net = "0.2.0-alpha.4"
+
+# native-tls
+native-tls = { version="0.2", optional = true }
+
+# openssl
+openssl = { version="0.10", optional = true }
+
+#rustls
+rustls = { version = "^0.16", optional = true }
+tokio-rustls = { version = "^0.12.0-alpha.2", optional = true }
+webpki = { version = "0.21", optional = true }
+webpki-roots = { version = "0.17", optional = true }
 
 [dev-dependencies]
 actix-service = "0.4.0"

actix-test-server/src/lib.rs

@@ -1,2 +1,149 @@
 //! Various helpers for Actix applications to use during testing.
-pub use actix_testing::*;
+use std::sync::mpsc;
+use std::{net, thread};
+
+use actix_rt::{Runtime, System};
+use actix_server::{Server, StreamServiceFactory};
+pub use actix_server_config::{Io, ServerConfig};
+
+use futures::future::{lazy, Future, IntoFuture};
+use net2::TcpBuilder;
+use tokio_reactor::Handle;
+use tokio_tcp::TcpStream;
+
+/// The `TestServer` type.
+///
+/// `TestServer` is very simple test server that simplify process of writing
+/// integration tests for actix-net applications.
+///
+/// # Examples
+///
+/// ```rust
+/// use actix_service::{service_fn, IntoNewService};
+/// use actix_test_server::TestServer;
+///
+/// fn main() {
+///     let srv = TestServer::with(|| service_fn(
+///         |sock| {
+///             println!("New connection: {:?}", sock);
+///             Ok::<_, ()>(())
+///         }
+///     ));
+///
+///     println!("SOCKET: {:?}", srv.connect());
+/// }
+/// ```
+pub struct TestServer;
+
+/// Test server runstime
+pub struct TestServerRuntime {
+    addr: net::SocketAddr,
+    host: String,
+    port: u16,
+    rt: Runtime,
+}
+
+impl TestServer {
+    /// Start new test server with application factory
+    pub fn with<F: StreamServiceFactory>(factory: F) -> TestServerRuntime {
+        let (tx, rx) = mpsc::channel();
+
+        // run server in separate thread
+        thread::spawn(move || {
+            let sys = System::new("actix-test-server");
+            let tcp = net::TcpListener::bind("127.0.0.1:0").unwrap();
+            let local_addr = tcp.local_addr().unwrap();
+
+            Server::build()
+                .listen("test", tcp, factory)?
+                .workers(1)
+                .disable_signals()
+                .start();
+
+            tx.send((System::current(), local_addr)).unwrap();
+            sys.run()
+        });
+
+        let (system, addr) = rx.recv().unwrap();
+        System::set_current(system);
+
+        let rt = Runtime::new().unwrap();
+        let host = format!("{}", addr.ip());
+        let port = addr.port();
+
+        TestServerRuntime {
+            addr,
+            rt,
+            host,
+            port,
+        }
+    }
+
+    /// Get firat available unused local address
+    pub fn unused_addr() -> net::SocketAddr {
+        let addr: net::SocketAddr = "127.0.0.1:0".parse().unwrap();
+        let socket = TcpBuilder::new_v4().unwrap();
+        socket.bind(&addr).unwrap();
+        socket.reuse_address(true).unwrap();
+        let tcp = socket.to_tcp_listener().unwrap();
+        tcp.local_addr().unwrap()
+    }
+}
+
+impl TestServerRuntime {
+    /// Execute future on current runtime
+    pub fn block_on<F, I, E>(&mut self, fut: F) -> Result<I, E>
+    where
+        F: Future<Item = I, Error = E>,
+    {
+        self.rt.block_on(fut)
+    }
+
+    /// Runs the provided function, with runtime enabled.
+    pub fn run_on<F, R>(&mut self, f: F) -> Result<R::Item, R::Error>
+    where
+        F: FnOnce() -> R,
+        R: IntoFuture,
+    {
+        self.rt.block_on(lazy(|| f().into_future()))
+    }
+
+    /// Spawn future to the current runtime
+    pub fn spawn<F>(&mut self, fut: F)
+    where
+        F: Future<Item = (), Error = ()> + 'static,
+    {
+        self.rt.spawn(fut);
+    }
+
+    /// Test server host
+    pub fn host(&self) -> &str {
+        &self.host
+    }
+
+    /// Test server port
+    pub fn port(&self) -> u16 {
+        self.port
+    }
+
+    /// Get test server address
+    pub fn addr(&self) -> net::SocketAddr {
+        self.addr
+    }
+
+    /// Stop http server
+    fn stop(&mut self) {
+        System::current().stop();
+    }
+
+    /// Connect to server, return tokio TcpStream
+    pub fn connect(&self) -> std::io::Result<TcpStream> {
+        TcpStream::from_std(net::TcpStream::connect(self.addr)?, &Handle::default())
+    }
+}
+
+impl Drop for TestServerRuntime {
+    fn drop(&mut self) {
+        self.stop()
+    }
+}

actix-testing/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "actix-testing"
-version = "0.2.0"
+version = "0.3.0-alpha.1"
 authors = ["Nikolay Kim <fafhrd91@gmail.com>"]
 description = "Actix testing utils"
 keywords = ["network", "framework", "async", "futures"]
@@ -17,13 +17,13 @@ name = "actix_testing"
 path = "src/lib.rs"
 
 [dependencies]
-actix-rt = "0.2.5"
-actix-server = "0.7.0"
-actix-server-config = "0.2.0"
-actix-service = "0.4.2"
+actix-rt = "1.0.0-alpha.1"
+actix-server = "0.8.0-alpha.1"
+actix-server-config = "0.3.0-alpha.1"
+actix-service = "1.0.0-alpha.1"
 
 log = "0.4"
 net2 = "0.2"
-futures = "0.1"
-tokio-tcp = "0.1"
-tokio-reactor = "0.1"
+futures = "0.3.1"
+tokio = "0.2.0-alpha.6"
+tokio-net = { version = "0.2.0-alpha.6" }

actix-testing/src/lib.rs

@@ -3,12 +3,12 @@ use std::sync::mpsc;
 use std::{net, thread};
 
 use actix_rt::System;
-use actix_server::{Server, ServerBuilder, StreamServiceFactory};
+use actix_server::{Server, ServerBuilder, ServiceFactory};
 pub use actix_server_config::{Io, ServerConfig};
 
 use net2::TcpBuilder;
-use tokio_reactor::Handle;
-use tokio_tcp::TcpStream;
+use tokio_net::driver::Handle;
+use tokio_net::tcp::TcpStream;
 
 mod rt;
 pub use self::rt::*;
@@ -21,12 +21,12 @@ pub use self::rt::*;
 /// # Examples
 ///
 /// ```rust
-/// use actix_service::{service_fn, IntoNewService};
+/// use actix_service::{service_fn};
 /// use actix_testing::TestServer;
 ///
 /// fn main() {
 ///     let srv = TestServer::with(|| service_fn(
-///         |sock| {
+///         |sock| async move {
 ///             println!("New connection: {:?}", sock);
 ///             Ok::<_, ()>(())
 ///         }
@@ -75,7 +75,7 @@ impl TestServer {
     }
 
     /// Start new test server with application factory
-    pub fn with<F: StreamServiceFactory<TcpStream>>(factory: F) -> TestServerRuntime {
+    pub fn with<F: ServiceFactory<TcpStream>>(factory: F) -> TestServerRuntime {
         let (tx, rx) = mpsc::channel();
 
         // run server in separate thread

actix-testing/src/rt.rs

@@ -1,9 +1,11 @@
 //! Various helpers for Actix applications to use during testing.
 use std::cell::RefCell;
+use std::future::Future;
 
 use actix_rt::{System, SystemRunner};
 use actix_service::Service;
-use futures::future::{lazy, Future, IntoFuture};
+use futures::future::{lazy, FutureExt};
+// use futures_util::future::FutureExt;
 
 thread_local! {
     static RT: RefCell<Inner> = {
@@ -35,11 +37,11 @@ impl Drop for Inner {
 ///
 /// Note that this function is intended to be used only for testing purpose.
 /// This function panics on nested call.
-pub fn block_on<F>(f: F) -> Result<F::Item, F::Error>
+pub fn block_on<F>(f: F) -> F::Output
 where
-    F: IntoFuture,
+    F: Future,
 {
-    RT.with(move |rt| rt.borrow_mut().get_mut().block_on(f.into_future()))
+    RT.with(move |rt| rt.borrow_mut().get_mut().block_on(f))
 }
 
 /// Runs the provided function, blocking the current thread until the result
@@ -52,21 +54,21 @@ where
 ///
 /// Note that this function is intended to be used only for testing purpose.
 /// This function panics on nested call.
-pub fn block_fn<F, R>(f: F) -> Result<R::Item, R::Error>
+pub fn block_fn<F, R>(f: F) -> F::Output
 where
     F: FnOnce() -> R,
-    R: IntoFuture,
+    R: Future,
 {
-    RT.with(move |rt| rt.borrow_mut().get_mut().block_on(lazy(f)))
+    RT.with(move |rt| rt.borrow_mut().get_mut().block_on(lazy(|_| f())))
 }
 
 /// Spawn future to the current test runtime.
 pub fn spawn<F>(fut: F)
 where
-    F: Future<Item = (), Error = ()> + 'static,
+    F: Future + 'static,
 {
     run_on(move || {
-        actix_rt::spawn(fut);
+        actix_rt::spawn(fut.map(|_| ()));
     });
 }
 
@@ -78,12 +80,7 @@ pub fn run_on<F, R>(f: F) -> R
 where
     F: FnOnce() -> R,
 {
-    RT.with(move |rt| {
-        rt.borrow_mut()
-            .get_mut()
-            .block_on(lazy(|| Ok::<_, ()>(f())))
-    })
-    .unwrap()
+    RT.with(move |rt| rt.borrow_mut().get_mut().block_on(lazy(|_| f())))
 }
 
 /// Calls service and waits for response future completion.

actix-threadpool/CHANGES.md

@@ -1,5 +1,11 @@
 # Changes
 
+## [0.2.0] - 2019-??-??
+
+### Changed
+
+* Migrate to `std::future`
+
 ## [0.1.2] - 2019-08-05
 
 ### Changed

actix-threadpool/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "actix-threadpool"
-version = "0.1.2"
+version = "0.2.0"
 authors = ["Nikolay Kim <fafhrd91@gmail.com>"]
 description = "Actix thread pool for sync code"
 keywords = ["actix", "network", "framework", "async", "futures"]
@@ -19,7 +19,7 @@ path = "src/lib.rs"
 
 [dependencies]
 derive_more = "0.15"
-futures = "0.1.25"
+futures = "0.3.1"
 parking_lot = "0.9"
 lazy_static = "1.2"
 log = "0.4"

actix-threadpool/src/lib.rs

@@ -1,33 +1,34 @@
 //! Thread pool for blocking operations
 
-use std::fmt;
+use std::{
+    future::Future,
+    pin::Pin,
+    task::{Context, Poll},
+};
 
 use derive_more::Display;
-use futures::sync::oneshot;
-use futures::{Async, Future, Poll};
+use futures::channel::oneshot;
 use parking_lot::Mutex;
 use threadpool::ThreadPool;
 
-/// Env variable for default cpu pool size
+/// Env variable for default cpu pool size.
 const ENV_CPU_POOL_VAR: &str = "ACTIX_THREADPOOL";
 
 lazy_static::lazy_static! {
     pub(crate) static ref DEFAULT_POOL: Mutex<ThreadPool> = {
-        let default = match std::env::var(ENV_CPU_POOL_VAR) {
-            Ok(val) => {
-                if let Ok(val) = val.parse() {
-                    val
-                } else {
-                    log::error!("Can not parse ACTIX_THREADPOOL value");
-                    num_cpus::get() * 5
-                }
-            }
-            Err(_) => num_cpus::get() * 5,
-        };
+        let num = std::env::var(ENV_CPU_POOL_VAR)
+            .map_err(|_| ())
+            .and_then(|val| {
+                val.parse().map_err(|_| log::warn!(
+                    "Can not parse {} value, using default",
+                    ENV_CPU_POOL_VAR,
+                ))
+            })
+            .unwrap_or_else(|_| num_cpus::get() * 5);
         Mutex::new(
             threadpool::Builder::new()
                 .thread_name("actix-web".to_owned())
-                .num_threads(default)
+                .num_threads(num)
                 .build(),
         )
     };
@@ -39,22 +40,17 @@ thread_local! {
     };
 }
 
-/// Blocking operation execution error
-#[derive(Debug, Display)]
-pub enum BlockingError<E: fmt::Debug> {
-    #[display(fmt = "{:?}", _0)]
-    Error(E),
-    #[display(fmt = "Thread pool is gone")]
-    Canceled,
-}
+/// Error of blocking operation execution being cancelled.
+#[derive(Clone, Copy, Debug, Display)]
+#[display(fmt = "Thread pool is gone")]
+pub struct Cancelled;
 
 /// Execute blocking function on a thread pool, returns future that resolves
 /// to result of the function execution.
-pub fn run<F, I, E>(f: F) -> CpuFuture<I, E>
+pub fn run<F, I>(f: F) -> CpuFuture<I>
 where
-    F: FnOnce() -> Result<I, E> + Send + 'static,
+    F: FnOnce() -> I + Send + 'static,
     I: Send + 'static,
-    E: Send + fmt::Debug + 'static,
 {
     let (tx, rx) = oneshot::channel();
     POOL.with(|pool| {
@@ -70,19 +66,16 @@ where
 
 /// Blocking operation completion future. It resolves with results
 /// of blocking function execution.
-pub struct CpuFuture<I, E> {
-    rx: oneshot::Receiver<Result<I, E>>,
+pub struct CpuFuture<I> {
+    rx: oneshot::Receiver<I>,
 }
 
-impl<I, E: fmt::Debug> Future for CpuFuture<I, E> {
-    type Item = I;
-    type Error = BlockingError<E>;
+impl<I> Future for CpuFuture<I> {
+    type Output = Result<I, Cancelled>;
 
-    fn poll(&mut self) -> Poll<Self::Item, Self::Error> {
-        let res = futures::try_ready!(self.rx.poll().map_err(|_| BlockingError::Canceled));
-        match res {
-            Ok(val) => Ok(Async::Ready(val)),
-            Err(err) => Err(BlockingError::Error(err)),
-        }
+    fn poll(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
+        let rx = Pin::new(&mut Pin::get_mut(self).rx);
+        let res = futures::ready!(rx.poll(cx));
+        Poll::Ready(res.map_err(|_| Cancelled))
     }
 }

actix-utils/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "actix-utils"
-version = "0.4.7"
+version = "0.5.0-alpha1"
 authors = ["Nikolay Kim <fafhrd91@gmail.com>"]
 description = "Actix utils - various actix net related services"
 keywords = ["network", "framework", "async", "futures"]
@@ -18,14 +18,15 @@ name = "actix_utils"
 path = "src/lib.rs"
 
 [dependencies]
-actix-service = "0.4.1"
-actix-codec = "0.1.2"
+actix-service = "1.0.0-alpha.1"
+actix-codec = "0.2.0-alpha.1"
 bytes = "0.4"
 either = "1.5.2"
-futures = "0.1.25"
-tokio-timer = "0.2.8"
-tokio-current-thread = "0.1.4"
+futures = "0.3.1"
+pin-project = "0.4.5"
+tokio-timer = "0.3.0-alpha.6"
+tokio-executor = { version="=0.2.0-alpha.6", features=["current-thread"] }
 log = "0.4"
 
 [dev-dependencies]
-actix-rt = "0.2.2"
+actix-rt = "1.0.0-alpha.1"

actix-utils/src/counter.rs

@@ -1,7 +1,8 @@
 use std::cell::Cell;
 use std::rc::Rc;
+use std::task;
 
-use futures::task::AtomicTask;
+use crate::task::LocalWaker;
 
 #[derive(Clone)]
 /// Simple counter with ability to notify task on reaching specific number
@@ -12,7 +13,7 @@ pub struct Counter(Rc<CounterInner>);
 struct CounterInner {
     count: Cell<usize>,
     capacity: usize,
-    task: AtomicTask,
+    task: LocalWaker,
 }
 
 impl Counter {
@@ -21,7 +22,7 @@ impl Counter {
         Counter(Rc::new(CounterInner {
             capacity,
             count: Cell::new(0),
-            task: AtomicTask::new(),
+            task: LocalWaker::new(),
         }))
     }
 
@@ -32,8 +33,8 @@ impl Counter {
 
     /// Check if counter is not at capacity. If counter at capacity
     /// it registers notification for current task.
-    pub fn available(&self) -> bool {
-        self.0.available()
+    pub fn available(&self, cx: &mut task::Context) -> bool {
+        self.0.available(cx)
     }
 
     /// Get total number of acquired counts
@@ -66,15 +67,15 @@ impl CounterInner {
         let num = self.count.get();
         self.count.set(num - 1);
         if num == self.capacity {
-            self.task.notify();
+            self.task.wake();
         }
     }
 
-    fn available(&self) -> bool {
+    fn available(&self, cx: &mut task::Context) -> bool {
         if self.count.get() < self.capacity {
             true
         } else {
-            self.task.register();
+            self.task.register(cx.waker());
             false
         }
     }

actix-utils/src/either.rs

@@ -1,6 +1,10 @@
 //! Contains `Either` service and related types and functions.
-use actix_service::{IntoNewService, NewService, Service};
-use futures::{future, try_ready, Async, Future, IntoFuture, Poll};
+use std::pin::Pin;
+use std::task::{Context, Poll};
+
+use actix_service::{Service, ServiceFactory};
+use futures::{future, ready, Future};
+use pin_project::pin_project;
 
 /// Combine two different service types into a single type.
 ///
@@ -31,21 +35,21 @@ where
     type Error = A::Error;
     type Future = future::Either<A::Future, B::Future>;
 
-    fn poll_ready(&mut self) -> Poll<(), Self::Error> {
-        let left = self.left.poll_ready()?;
-        let right = self.right.poll_ready()?;
+    fn poll_ready(&mut self, cx: &mut Context) -> Poll<Result<(), Self::Error>> {
+        let left = self.left.poll_ready(cx)?;
+        let right = self.right.poll_ready(cx)?;
 
         if left.is_ready() && right.is_ready() {
-            Ok(Async::Ready(()))
+            Poll::Ready(Ok(()))
         } else {
-            Ok(Async::NotReady)
+            Poll::Pending
         }
     }
 
     fn call(&mut self, req: either::Either<A::Request, B::Request>) -> Self::Future {
         match req {
-            either::Either::Left(req) => future::Either::A(self.left.call(req)),
-            either::Either::Right(req) => future::Either::B(self.right.call(req)),
+            either::Either::Left(req) => future::Either::Left(self.left.call(req)),
+            either::Either::Right(req) => future::Either::Right(self.right.call(req)),
         }
     }
 }
@@ -57,29 +61,24 @@ pub struct Either<A, B> {
 }
 
 impl<A, B> Either<A, B> {
-    pub fn new<F1, F2>(srv_a: F1, srv_b: F2) -> Either<A, B>
+    pub fn new(left: A, right: B) -> Either<A, B>
     where
-        A: NewService,
-        B: NewService<
+        A: ServiceFactory,
+        B: ServiceFactory<
             Config = A::Config,
             Response = A::Response,
             Error = A::Error,
             InitError = A::InitError,
         >,
-        F1: IntoNewService<A>,
-        F2: IntoNewService<B>,
     {
-        Either {
-            left: srv_a.into_new_service(),
-            right: srv_b.into_new_service(),
-        }
+        Either { left, right }
     }
 }
 
-impl<A, B> NewService for Either<A, B>
+impl<A, B> ServiceFactory for Either<A, B>
 where
-    A: NewService,
-    B: NewService<
+    A: ServiceFactory,
+    B: ServiceFactory<
         Config = A::Config,
         Response = A::Response,
         Error = A::Error,
@@ -113,37 +112,41 @@ impl<A: Clone, B: Clone> Clone for Either<A, B> {
     }
 }
 
+#[pin_project]
 #[doc(hidden)]
-pub struct EitherNewService<A: NewService, B: NewService> {
+pub struct EitherNewService<A: ServiceFactory, B: ServiceFactory> {
     left: Option<A::Service>,
     right: Option<B::Service>,
-    left_fut: <A::Future as IntoFuture>::Future,
-    right_fut: <B::Future as IntoFuture>::Future,
+    #[pin]
+    left_fut: A::Future,
+    #[pin]
+    right_fut: B::Future,
 }
 
 impl<A, B> Future for EitherNewService<A, B>
 where
-    A: NewService,
-    B: NewService<Response = A::Response, Error = A::Error, InitError = A::InitError>,
+    A: ServiceFactory,
+    B: ServiceFactory<Response = A::Response, Error = A::Error, InitError = A::InitError>,
 {
-    type Item = EitherService<A::Service, B::Service>;
-    type Error = A::InitError;
+    type Output = Result<EitherService<A::Service, B::Service>, A::InitError>;
 
-    fn poll(&mut self) -> Poll<Self::Item, Self::Error> {
-        if self.left.is_none() {
-            self.left = Some(try_ready!(self.left_fut.poll()));
+    fn poll(self: Pin<&mut Self>, cx: &mut Context) -> Poll<Self::Output> {
+        let this = self.project();
+
+        if this.left.is_none() {
+            *this.left = Some(ready!(this.left_fut.poll(cx))?);
         }
-        if self.right.is_none() {
-            self.right = Some(try_ready!(self.right_fut.poll()));
+        if this.right.is_none() {
+            *this.right = Some(ready!(this.right_fut.poll(cx))?);
         }
 
-        if self.left.is_some() && self.right.is_some() {
-            Ok(Async::Ready(EitherService {
-                left: self.left.take().unwrap(),
-                right: self.right.take().unwrap(),
+        if this.left.is_some() && this.right.is_some() {
+            Poll::Ready(Ok(EitherService {
+                left: this.left.take().unwrap(),
+                right: this.right.take().unwrap(),
             }))
         } else {
-            Ok(Async::NotReady)
+            Poll::Pending
         }
     }
 }

actix-utils/src/framed.rs

@@ -1,15 +1,20 @@
 //! Framed dispatcher service and related utilities
+#![allow(type_alias_bounds)]
 use std::collections::VecDeque;
+use std::pin::Pin;
+use std::task::{Context, Poll};
 use std::{fmt, mem};
 
 use actix_codec::{AsyncRead, AsyncWrite, Decoder, Encoder, Framed};
 use actix_service::{IntoService, Service};
-use futures::task::AtomicTask;
-use futures::unsync::mpsc;
-use futures::{Async, Future, Poll, Sink, Stream};
+use futures::future::{ready, FutureExt};
+use futures::{Future, Sink, Stream};
 use log::debug;
+use pin_project::pin_project;
 
 use crate::cell::Cell;
+use crate::mpsc;
+use crate::task::LocalWaker;
 
 type Request<U> = <U as Decoder>::Item;
 type Response<U> = <U as Encoder>::Item;
@@ -68,22 +73,26 @@ pub enum FramedMessage<T> {
     Close,
 }
 
+type Rx<U> = Option<mpsc::Receiver<FramedMessage<<U as Encoder>::Item>>>;
+type Inner<S: Service, U> = Cell<FramedTransportInner<<U as Encoder>::Item, S::Error>>;
+
 /// FramedTransport - is a future that reads frames from Framed object
 /// and pass then to the service.
+#[pin_project]
 pub struct FramedTransport<S, T, U>
 where
     S: Service<Request = Request<U>, Response = Response<U>>,
     S::Error: 'static,
     S::Future: 'static,
-    T: AsyncRead + AsyncWrite,
-    U: Encoder + Decoder,
+    T: AsyncRead + AsyncWrite + Unpin,
+    U: Encoder + Decoder + Unpin,
     <U as Encoder>::Item: 'static,
     <U as Encoder>::Error: std::fmt::Debug,
 {
     service: S,
     state: TransportState<S, U>,
     framed: Framed<T, U>,
-    rx: Option<mpsc::UnboundedReceiver<FramedMessage<<U as Encoder>::Item>>>,
+    rx: Option<mpsc::Receiver<FramedMessage<<U as Encoder>::Item>>>,
     inner: Cell<FramedTransportInner<<U as Encoder>::Item, S::Error>>,
 }
 
@@ -97,7 +106,7 @@ enum TransportState<S: Service, U: Encoder + Decoder> {
 
 struct FramedTransportInner<I, E> {
     buf: VecDeque<Result<I, E>>,
-    task: AtomicTask,
+    task: LocalWaker,
 }
 
 impl<S, T, U> FramedTransport<S, T, U>
@@ -105,130 +114,8 @@ where
     S: Service<Request = Request<U>, Response = Response<U>>,
     S::Error: 'static,
     S::Future: 'static,
-    T: AsyncRead + AsyncWrite,
-    U: Decoder + Encoder,
-    <U as Encoder>::Item: 'static,
-    <U as Encoder>::Error: std::fmt::Debug,
-{
-    fn poll_read(&mut self) -> bool {
-        loop {
-            match self.service.poll_ready() {
-                Ok(Async::Ready(_)) => {
-                    let item = match self.framed.poll() {
-                        Ok(Async::Ready(Some(el))) => el,
-                        Err(err) => {
-                            self.state =
-                                TransportState::FramedError(FramedTransportError::Decoder(err));
-                            return true;
-                        }
-                        Ok(Async::NotReady) => return false,
-                        Ok(Async::Ready(None)) => {
-                            self.state = TransportState::Stopping;
-                            return true;
-                        }
-                    };
-
-                    let mut cell = self.inner.clone();
-                    tokio_current_thread::spawn(self.service.call(item).then(move |item| {
-                        let inner = cell.get_mut();
-                        inner.buf.push_back(item);
-                        inner.task.notify();
-                        Ok(())
-                    }));
-                }
-                Ok(Async::NotReady) => return false,
-                Err(err) => {
-                    self.state = TransportState::Error(FramedTransportError::Service(err));
-                    return true;
-                }
-            }
-        }
-    }
-
-    /// write to framed object
-    fn poll_write(&mut self) -> bool {
-        let inner = self.inner.get_mut();
-        let mut rx_done = self.rx.is_none();
-        let mut buf_empty = inner.buf.is_empty();
-        loop {
-            while !self.framed.is_write_buf_full() {
-                if !buf_empty {
-                    match inner.buf.pop_front().unwrap() {
-                        Ok(msg) => {
-                            if let Err(err) = self.framed.force_send(msg) {
-                                self.state = TransportState::FramedError(
-                                    FramedTransportError::Encoder(err),
-                                );
-                                return true;
-                            }
-                            buf_empty = inner.buf.is_empty();
-                        }
-                        Err(err) => {
-                            self.state =
-                                TransportState::Error(FramedTransportError::Service(err));
-                            return true;
-                        }
-                    }
-                }
-
-                if !rx_done && self.rx.is_some() {
-                    match self.rx.as_mut().unwrap().poll() {
-                        Ok(Async::Ready(Some(FramedMessage::Message(msg)))) => {
-                            if let Err(err) = self.framed.force_send(msg) {
-                                self.state = TransportState::FramedError(
-                                    FramedTransportError::Encoder(err),
-                                );
-                                return true;
-                            }
-                        }
-                        Ok(Async::Ready(Some(FramedMessage::Close))) => {
-                            self.state = TransportState::FlushAndStop;
-                            return true;
-                        }
-                        Ok(Async::Ready(None)) => {
-                            rx_done = true;
-                            let _ = self.rx.take();
-                        }
-                        Ok(Async::NotReady) => rx_done = true,
-                        Err(_e) => {
-                            rx_done = true;
-                            let _ = self.rx.take();
-                        }
-                    }
-                }
-
-                if rx_done && buf_empty {
-                    break;
-                }
-            }
-
-            if !self.framed.is_write_buf_empty() {
-                match self.framed.poll_complete() {
-                    Ok(Async::NotReady) => break,
-                    Err(err) => {
-                        debug!("Error sending data: {:?}", err);
-                        self.state =
-                            TransportState::FramedError(FramedTransportError::Encoder(err));
-                        return true;
-                    }
-                    Ok(Async::Ready(_)) => (),
-                }
-            } else {
-                break;
-            }
-        }
-
-        false
-    }
-}
-
-impl<S, T, U> FramedTransport<S, T, U>
-where
-    S: Service<Request = Request<U>, Response = Response<U>>,
-    S::Error: 'static,
-    S::Future: 'static,
-    T: AsyncRead + AsyncWrite,
-    U: Decoder + Encoder,
+    T: AsyncRead + AsyncWrite + Unpin,
+    U: Decoder + Encoder + Unpin,
     <U as Encoder>::Item: 'static,
     <U as Encoder>::Error: std::fmt::Debug,
 {
@@ -240,7 +127,7 @@ where
             state: TransportState::Processing,
             inner: Cell::new(FramedTransportInner {
                 buf: VecDeque::new(),
-                task: AtomicTask::new(),
+                task: LocalWaker::new(),
             }),
         }
     }
@@ -248,7 +135,7 @@ where
     /// Get Sender
     pub fn set_receiver(
         mut self,
-        rx: mpsc::UnboundedReceiver<FramedMessage<<U as Encoder>::Item>>,
+        rx: mpsc::Receiver<FramedMessage<<U as Encoder>::Item>>,
     ) -> Self {
         self.rx = Some(rx);
         self
@@ -283,51 +170,215 @@ where
     S: Service<Request = Request<U>, Response = Response<U>>,
     S::Error: 'static,
     S::Future: 'static,
-    T: AsyncRead + AsyncWrite,
-    U: Decoder + Encoder,
+    T: AsyncRead + AsyncWrite + Unpin,
+    U: Decoder + Encoder + Unpin,
     <U as Encoder>::Item: 'static,
     <U as Encoder>::Error: std::fmt::Debug,
 {
-    type Item = ();
-    type Error = FramedTransportError<S::Error, U>;
+    type Output = Result<(), FramedTransportError<S::Error, U>>;
 
-    fn poll(&mut self) -> Poll<Self::Item, Self::Error> {
-        self.inner.get_ref().task.register();
+    fn poll(self: Pin<&mut Self>, cx: &mut Context) -> Poll<Self::Output> {
+        self.inner.get_ref().task.register(cx.waker());
 
-        match mem::replace(&mut self.state, TransportState::Processing) {
+        let this = self.project();
+        poll(
+            cx,
+            this.service,
+            this.state,
+            this.framed,
+            this.rx,
+            this.inner,
+        )
+    }
+}
+
+fn poll<S, T, U>(
+    cx: &mut Context,
+    srv: &mut S,
+    state: &mut TransportState<S, U>,
+    framed: &mut Framed<T, U>,
+    rx: &mut Rx<U>,
+    inner: &mut Inner<S, U>,
+) -> Poll<Result<(), FramedTransportError<S::Error, U>>>
+where
+    S: Service<Request = Request<U>, Response = Response<U>>,
+    S::Error: 'static,
+    S::Future: 'static,
+    T: AsyncRead + AsyncWrite + Unpin,
+    U: Decoder + Encoder + Unpin,
+    <U as Encoder>::Item: 'static,
+    <U as Encoder>::Error: std::fmt::Debug,
+{
+    match mem::replace(state, TransportState::Processing) {
         TransportState::Processing => {
-                if self.poll_read() || self.poll_write() {
-                    self.poll()
+            if poll_read(cx, srv, state, framed, inner)
+                || poll_write(cx, state, framed, rx, inner)
+            {
+                poll(cx, srv, state, framed, rx, inner)
             } else {
-                    Ok(Async::NotReady)
+                Poll::Pending
             }
         }
         TransportState::Error(err) => {
-                if self.framed.is_write_buf_empty()
-                    || (self.poll_write() || self.framed.is_write_buf_empty())
-                {
-                    Err(err)
+            let is_empty = framed.is_write_buf_empty();
+            if is_empty || (poll_write(cx, state, framed, rx, inner) || is_empty) {
+                Poll::Ready(Err(err))
             } else {
-                    self.state = TransportState::Error(err);
-                    Ok(Async::NotReady)
+                *state = TransportState::Error(err);
+                Poll::Pending
             }
         }
         TransportState::FlushAndStop => {
-                if !self.framed.is_write_buf_empty() {
-                    match self.framed.poll_complete() {
-                        Err(err) => {
+            if !framed.is_write_buf_empty() {
+                match Pin::new(framed).poll_flush(cx) {
+                    Poll::Ready(Err(err)) => {
                         debug!("Error sending data: {:?}", err);
-                            Ok(Async::Ready(()))
+                        Poll::Ready(Ok(()))
                     }
-                        Ok(Async::NotReady) => Ok(Async::NotReady),
-                        Ok(Async::Ready(_)) => Ok(Async::Ready(())),
+                    Poll::Pending => Poll::Pending,
+                    Poll::Ready(Ok(_)) => Poll::Ready(Ok(())),
                 }
             } else {
-                    Ok(Async::Ready(()))
+                Poll::Ready(Ok(()))
             }
         }
-            TransportState::FramedError(err) => Err(err),
-            TransportState::Stopping => Ok(Async::Ready(())),
+        TransportState::FramedError(err) => Poll::Ready(Err(err)),
+        TransportState::Stopping => Poll::Ready(Ok(())),
+    }
+}
+
+fn poll_read<S, T, U>(
+    cx: &mut Context,
+    srv: &mut S,
+    state: &mut TransportState<S, U>,
+    framed: &mut Framed<T, U>,
+    inner: &mut Inner<S, U>,
+) -> bool
+where
+    S: Service<Request = Request<U>, Response = Response<U>>,
+    S::Error: 'static,
+    S::Future: 'static,
+    T: AsyncRead + AsyncWrite + Unpin,
+    U: Decoder + Encoder + Unpin,
+    <U as Encoder>::Item: 'static,
+    <U as Encoder>::Error: std::fmt::Debug,
+{
+    loop {
+        match srv.poll_ready(cx) {
+            Poll::Ready(Ok(_)) => {
+                let item = match framed.next_item(cx) {
+                    Poll::Ready(Some(Ok(el))) => el,
+                    Poll::Ready(Some(Err(err))) => {
+                        *state =
+                            TransportState::FramedError(FramedTransportError::Decoder(err));
+                        return true;
+                    }
+                    Poll::Pending => return false,
+                    Poll::Ready(None) => {
+                        *state = TransportState::Stopping;
+                        return true;
+                    }
+                };
+
+                let mut cell = inner.clone();
+                let fut = srv.call(item).then(move |item| {
+                    let inner = cell.get_mut();
+                    inner.buf.push_back(item);
+                    inner.task.wake();
+                    ready(())
+                });
+                tokio_executor::current_thread::spawn(fut);
+            }
+            Poll::Pending => return false,
+            Poll::Ready(Err(err)) => {
+                *state = TransportState::Error(FramedTransportError::Service(err));
+                return true;
+            }
         }
     }
 }
+
+/// write to framed object
+fn poll_write<S, T, U>(
+    cx: &mut Context,
+    state: &mut TransportState<S, U>,
+    framed: &mut Framed<T, U>,
+    rx: &mut Rx<U>,
+    inner: &mut Inner<S, U>,
+) -> bool
+where
+    S: Service<Request = Request<U>, Response = Response<U>>,
+    S::Error: 'static,
+    S::Future: 'static,
+    T: AsyncRead + AsyncWrite + Unpin,
+    U: Decoder + Encoder + Unpin,
+    <U as Encoder>::Item: 'static,
+    <U as Encoder>::Error: std::fmt::Debug,
+{
+    // let this = self.project();
+
+    let inner = inner.get_mut();
+    let mut rx_done = rx.is_none();
+    let mut buf_empty = inner.buf.is_empty();
+    loop {
+        while !framed.is_write_buf_full() {
+            if !buf_empty {
+                match inner.buf.pop_front().unwrap() {
+                    Ok(msg) => {
+                        if let Err(err) = framed.force_send(msg) {
+                            *state =
+                                TransportState::FramedError(FramedTransportError::Encoder(err));
+                            return true;
+                        }
+                        buf_empty = inner.buf.is_empty();
+                    }
+                    Err(err) => {
+                        *state = TransportState::Error(FramedTransportError::Service(err));
+                        return true;
+                    }
+                }
+            }
+
+            if !rx_done && rx.is_some() {
+                match Pin::new(rx.as_mut().unwrap()).poll_next(cx) {
+                    Poll::Ready(Some(FramedMessage::Message(msg))) => {
+                        if let Err(err) = framed.force_send(msg) {
+                            *state =
+                                TransportState::FramedError(FramedTransportError::Encoder(err));
+                            return true;
+                        }
+                    }
+                    Poll::Ready(Some(FramedMessage::Close)) => {
+                        *state = TransportState::FlushAndStop;
+                        return true;
+                    }
+                    Poll::Ready(None) => {
+                        rx_done = true;
+                        let _ = rx.take();
+                    }
+                    Poll::Pending => rx_done = true,
+                }
+            }
+
+            if rx_done && buf_empty {
+                break;
+            }
+        }
+
+        if !framed.is_write_buf_empty() {
+            match framed.flush(cx) {
+                Poll::Pending => break,
+                Poll::Ready(Err(err)) => {
+                    debug!("Error sending data: {:?}", err);
+                    *state = TransportState::FramedError(FramedTransportError::Encoder(err));
+                    return true;
+                }
+                Poll::Ready(Ok(_)) => (),
+            }
+        } else {
+            break;
+        }
+    }
+
+    false
+}

actix-utils/src/inflight.rs

@@ -1,8 +1,11 @@
 use std::convert::Infallible;
+use std::future::Future;
+use std::pin::Pin;
+use std::task::{Context, Poll};
 
 use actix_service::{IntoService, Service, Transform};
-use futures::future::{ok, FutureResult};
-use futures::{Async, Future, Poll};
+use futures::future::{ok, Ready};
+use pin_project::pin_project;
 
 use super::counter::{Counter, CounterGuard};
 
@@ -32,7 +35,7 @@ impl<S: Service> Transform<S> for InFlight {
     type Error = S::Error;
     type InitError = Infallible;
     type Transform = InFlightService<S>;
-    type Future = FutureResult<Self::Transform, Self::InitError>;
+    type Future = Ready<Result<Self::Transform, Self::InitError>>;
 
     fn new_transform(&self, service: S) -> Self::Future {
         ok(InFlightService::new(self.max_inflight, service))
@@ -68,14 +71,14 @@ where
     type Error = T::Error;
     type Future = InFlightServiceResponse<T>;
 
-    fn poll_ready(&mut self) -> Poll<(), Self::Error> {
-        if let Async::NotReady = self.service.poll_ready()? {
-            Ok(Async::NotReady)
-        } else if !self.count.available() {
+    fn poll_ready(&mut self, cx: &mut Context) -> Poll<Result<(), Self::Error>> {
+        if let Poll::Pending = self.service.poll_ready(cx)? {
+            Poll::Pending
+        } else if !self.count.available(cx) {
             log::trace!("InFlight limit exceeded");
-            Ok(Async::NotReady)
+            Poll::Pending
         } else {
-            Ok(Async::Ready(()))
+            Poll::Ready(Ok(()))
         }
     }
 
@@ -87,31 +90,31 @@ where
     }
 }
 
+#[pin_project]
 #[doc(hidden)]
 pub struct InFlightServiceResponse<T: Service> {
+    #[pin]
     fut: T::Future,
     _guard: CounterGuard,
 }
 
 impl<T: Service> Future for InFlightServiceResponse<T> {
-    type Item = T::Response;
-    type Error = T::Error;
+    type Output = Result<T::Response, T::Error>;
 
-    fn poll(&mut self) -> Poll<Self::Item, Self::Error> {
-        self.fut.poll()
+    fn poll(self: Pin<&mut Self>, cx: &mut Context) -> Poll<Self::Output> {
+        self.project().fut.poll(cx)
     }
 }
 
 #[cfg(test)]
 mod tests {
-    use futures::future::lazy;
-    use futures::{Async, Poll};
 
+    use std::task::{Context, Poll};
     use std::time::Duration;
 
     use super::*;
-    use actix_service::blank::{Blank, BlankNewService};
-    use actix_service::{NewService, Service, ServiceExt};
+    use actix_service::{apply, factory_fn, Service, ServiceFactory};
+    use futures::future::{lazy, ok, FutureExt, LocalBoxFuture};
 
     struct SleepService(Duration);
 
@@ -119,57 +122,49 @@ mod tests {
         type Request = ();
         type Response = ();
         type Error = ();
-        type Future = Box<dyn Future<Item = (), Error = ()>>;
+        type Future = LocalBoxFuture<'static, Result<(), ()>>;
 
-        fn poll_ready(&mut self) -> Poll<(), Self::Error> {
-            Ok(Async::Ready(()))
+        fn poll_ready(&mut self, _: &mut Context) -> Poll<Result<(), Self::Error>> {
+            Poll::Ready(Ok(()))
         }
 
         fn call(&mut self, _: ()) -> Self::Future {
-            Box::new(tokio_timer::sleep(self.0).map_err(|_| ()))
+            tokio_timer::delay_for(self.0)
+                .then(|_| ok::<_, ()>(()))
+                .boxed_local()
         }
     }
 
     #[test]
     fn test_transform() {
         let wait_time = Duration::from_millis(50);
-        let _ = actix_rt::System::new("test").block_on(lazy(|| {
-            let mut srv =
-                Blank::new().and_then(InFlightService::new(1, SleepService(wait_time)));
-            assert_eq!(srv.poll_ready(), Ok(Async::Ready(())));
+        let _ = actix_rt::System::new("test").block_on(async {
+            let mut srv = InFlightService::new(1, SleepService(wait_time));
+            assert_eq!(lazy(|cx| srv.poll_ready(cx)).await, Poll::Ready(Ok(())));
 
-            let mut res = srv.call(());
-            let _ = res.poll();
-            assert_eq!(srv.poll_ready(), Ok(Async::NotReady));
+            let res = srv.call(());
+            assert_eq!(lazy(|cx| srv.poll_ready(cx)).await, Poll::Pending);
 
-            drop(res);
-            assert_eq!(srv.poll_ready(), Ok(Async::Ready(())));
-
-            Ok::<_, ()>(())
-        }));
+            let _ = res.await;
+            assert_eq!(lazy(|cx| srv.poll_ready(cx)).await, Poll::Ready(Ok(())));
+        });
     }
 
     #[test]
     fn test_newtransform() {
         let wait_time = Duration::from_millis(50);
-        let _ = actix_rt::System::new("test").block_on(lazy(|| {
-            let srv =
-                BlankNewService::new().apply(InFlight::new(1), || Ok(SleepService(wait_time)));
 
-            if let Async::Ready(mut srv) = srv.new_service(&()).poll().unwrap() {
-                assert_eq!(srv.poll_ready(), Ok(Async::Ready(())));
+        actix_rt::System::new("test").block_on(async {
+            let srv = apply(InFlight::new(1), factory_fn(|| ok(SleepService(wait_time))));
 
-                let mut res = srv.call(());
-                let _ = res.poll();
-                assert_eq!(srv.poll_ready(), Ok(Async::NotReady));
+            let mut srv = srv.new_service(&()).await.unwrap();
+            assert_eq!(lazy(|cx| srv.poll_ready(cx)).await, Poll::Ready(Ok(())));
 
-                drop(res);
-                assert_eq!(srv.poll_ready(), Ok(Async::Ready(())));
-            } else {
-                panic!()
-            }
+            let res = srv.call(());
+            assert_eq!(lazy(|cx| srv.poll_ready(cx)).await, Poll::Pending);
 
-            Ok::<_, ()>(())
-        }));
+            let _ = res.await;
+            assert_eq!(lazy(|cx| srv.poll_ready(cx)).await, Poll::Ready(Ok(())));
+        });
     }
 }

actix-utils/src/keepalive.rs

@@ -1,11 +1,13 @@
 use std::convert::Infallible;
+use std::future::Future;
 use std::marker::PhantomData;
+use std::pin::Pin;
+use std::task::{Context, Poll};
 use std::time::{Duration, Instant};
 
-use actix_service::{NewService, Service};
-use futures::future::{ok, FutureResult};
-use futures::{Async, Future, Poll};
-use tokio_timer::Delay;
+use actix_service::{Service, ServiceFactory};
+use futures::future::{ok, Ready};
+use tokio_timer::{delay, Delay};
 
 use super::time::{LowResTime, LowResTimeService};
 
@@ -44,7 +46,7 @@ where
     }
 }
 
-impl<R, E, F> NewService for KeepAlive<R, E, F>
+impl<R, E, F> ServiceFactory for KeepAlive<R, E, F>
 where
     F: Fn() -> E + Clone,
 {
@@ -54,7 +56,7 @@ where
     type InitError = Infallible;
     type Config = ();
     type Service = KeepAliveService<R, E, F>;
-    type Future = FutureResult<Self::Service, Self::InitError>;
+    type Future = Ready<Result<Self::Service, Self::InitError>>;
 
     fn new_service(&self, _: &()) -> Self::Future {
         ok(KeepAliveService::new(
@@ -85,7 +87,7 @@ where
             ka,
             time,
             expire,
-            delay: Delay::new(expire),
+            delay: delay(expire),
             _t: PhantomData,
         }
     }
@@ -98,22 +100,21 @@ where
     type Request = R;
     type Response = R;
     type Error = E;
-    type Future = FutureResult<R, E>;
+    type Future = Ready<Result<R, E>>;
 
-    fn poll_ready(&mut self) -> Poll<(), Self::Error> {
-        match self.delay.poll() {
-            Ok(Async::Ready(_)) => {
+    fn poll_ready(&mut self, cx: &mut Context) -> Poll<Result<(), Self::Error>> {
+        match Pin::new(&mut self.delay).poll(cx) {
+            Poll::Ready(_) => {
                 let now = self.time.now();
                 if self.expire <= now {
-                    Err((self.f)())
+                    Poll::Ready(Err((self.f)()))
                 } else {
                     self.delay.reset(self.expire);
-                    let _ = self.delay.poll();
-                    Ok(Async::Ready(()))
+                    let _ = Pin::new(&mut self.delay).poll(cx);
+                    Poll::Ready(Ok(()))
                 }
             }
-            Ok(Async::NotReady) => Ok(Async::Ready(())),
-            Err(_e) => panic!(),
+            Poll::Pending => Poll::Ready(Ok(())),
         }
     }
 

actix-utils/src/lib.rs

@@ -6,7 +6,9 @@ pub mod either;
 pub mod framed;
 pub mod inflight;
 pub mod keepalive;
+pub mod mpsc;
+pub mod oneshot;
 pub mod order;
-pub mod stream;
+pub mod task;
 pub mod time;
 pub mod timeout;

actix-utils/src/mpsc.rs

@@ -0,0 +1,203 @@
+//! A multi-producer, single-consumer, futures-aware, FIFO queue with back
+//! pressure, for use communicating between tasks on the same thread.
+//!
+//! These queues are the same as those in `futures::sync`, except they're not
+//! intended to be sent across threads.
+
+use std::any::Any;
+use std::cell::RefCell;
+use std::collections::VecDeque;
+use std::error::Error;
+use std::pin::Pin;
+use std::rc::{Rc, Weak};
+use std::task::{Context, Poll};
+use std::{fmt, mem};
+
+use futures::{Sink, Stream};
+
+use crate::task::LocalWaker;
+
+/// Creates a unbounded in-memory channel with buffered storage.
+pub fn channel<T>() -> (Sender<T>, Receiver<T>) {
+    let shared = Rc::new(RefCell::new(Shared {
+        buffer: VecDeque::new(),
+        blocked_recv: LocalWaker::new(),
+    }));
+    let sender = Sender {
+        shared: Rc::downgrade(&shared),
+    };
+    let receiver = Receiver {
+        state: State::Open(shared),
+    };
+    (sender, receiver)
+}
+
+#[derive(Debug)]
+struct Shared<T> {
+    buffer: VecDeque<T>,
+    blocked_recv: LocalWaker,
+}
+
+/// The transmission end of a channel.
+///
+/// This is created by the `channel` function.
+#[derive(Debug)]
+pub struct Sender<T> {
+    shared: Weak<RefCell<Shared<T>>>,
+}
+
+impl<T> Sender<T> {
+    /// Sends the provided message along this channel.
+    pub fn send(&self, item: T) -> Result<(), SendError<T>> {
+        let shared = match self.shared.upgrade() {
+            Some(shared) => shared,
+            None => return Err(SendError(item)), // receiver was dropped
+        };
+        let mut shared = shared.borrow_mut();
+
+        shared.buffer.push_back(item);
+        shared.blocked_recv.wake();
+        Ok(())
+    }
+}
+
+impl<T> Clone for Sender<T> {
+    fn clone(&self) -> Self {
+        Sender {
+            shared: self.shared.clone(),
+        }
+    }
+}
+
+impl<T> Sink<T> for Sender<T> {
+    type Error = SendError<T>;
+
+    fn poll_ready(self: Pin<&mut Self>, _: &mut Context) -> Poll<Result<(), Self::Error>> {
+        Poll::Ready(Ok(()))
+    }
+
+    fn start_send(self: Pin<&mut Self>, item: T) -> Result<(), SendError<T>> {
+        self.send(item)
+    }
+
+    fn poll_flush(self: Pin<&mut Self>, _: &mut Context) -> Poll<Result<(), SendError<T>>> {
+        Poll::Ready(Ok(()))
+    }
+
+    fn poll_close(self: Pin<&mut Self>, _: &mut Context) -> Poll<Result<(), Self::Error>> {
+        Poll::Ready(Ok(()))
+    }
+}
+
+impl<T> Drop for Sender<T> {
+    fn drop(&mut self) {
+        let shared = match self.shared.upgrade() {
+            Some(shared) => shared,
+            None => return,
+        };
+        // The number of existing `Weak` indicates if we are possibly the last
+        // `Sender`. If we are the last, we possibly must notify a blocked
+        // `Receiver`. `self.shared` is always one of the `Weak` to this shared
+        // data. Therefore the smallest possible Rc::weak_count(&shared) is 1.
+        if Rc::weak_count(&shared) == 1 {
+            // Wake up receiver as its stream has ended
+            shared.borrow_mut().blocked_recv.wake();
+        }
+    }
+}
+
+/// The receiving end of a channel which implements the `Stream` trait.
+///
+/// This is created by the `channel` function.
+#[derive(Debug)]
+pub struct Receiver<T> {
+    state: State<T>,
+}
+
+impl<T> Unpin for Receiver<T> {}
+
+/// Possible states of a receiver. We're either Open (can receive more messages)
+/// or we're closed with a list of messages we have left to receive.
+#[derive(Debug)]
+enum State<T> {
+    Open(Rc<RefCell<Shared<T>>>),
+    Closed(VecDeque<T>),
+}
+
+impl<T> Receiver<T> {
+    /// Closes the receiving half
+    ///
+    /// This prevents any further messages from being sent on the channel while
+    /// still enabling the receiver to drain messages that are buffered.
+    pub fn close(&mut self) {
+        let items = match self.state {
+            State::Open(ref state) => {
+                let mut state = state.borrow_mut();
+                let items = mem::replace(&mut state.buffer, VecDeque::new());
+                items
+            }
+            State::Closed(_) => return,
+        };
+        self.state = State::Closed(items);
+    }
+}
+
+impl<T> Stream for Receiver<T> {
+    type Item = T;
+
+    fn poll_next(mut self: Pin<&mut Self>, cx: &mut Context) -> Poll<Option<Self::Item>> {
+        let me = match self.state {
+            State::Open(ref mut me) => me,
+            State::Closed(ref mut items) => return Poll::Ready(items.pop_front()),
+        };
+
+        if let Some(shared) = Rc::get_mut(me) {
+            // All senders have been dropped, so drain the buffer and end the
+            // stream.
+            return Poll::Ready(shared.borrow_mut().buffer.pop_front());
+        }
+
+        let mut shared = me.borrow_mut();
+        if let Some(msg) = shared.buffer.pop_front() {
+            Poll::Ready(Some(msg))
+        } else {
+            shared.blocked_recv.register(cx.waker());
+            Poll::Pending
+        }
+    }
+}
+
+impl<T> Drop for Receiver<T> {
+    fn drop(&mut self) {
+        self.close();
+    }
+}
+
+/// Error type for sending, used when the receiving end of a channel is
+/// dropped
+pub struct SendError<T>(T);
+
+impl<T> fmt::Debug for SendError<T> {
+    fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
+        fmt.debug_tuple("SendError").field(&"...").finish()
+    }
+}
+
+impl<T> fmt::Display for SendError<T> {
+    fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
+        write!(fmt, "send failed because receiver is gone")
+    }
+}
+
+impl<T: Any> Error for SendError<T> {
+    fn description(&self) -> &str {
+        "send failed because receiver is gone"
+    }
+}
+
+impl<T> SendError<T> {
+    /// Returns the message that was attempted to be sent but failed.
+    pub fn into_inner(self) -> T {
+        self.0
+    }
+}

actix-utils/src/oneshot.rs

@@ -0,0 +1,209 @@
+//! A one-shot, futures-aware channel
+//!
+//! This channel is similar to that in `sync::oneshot` but cannot be sent across
+//! threads.
+
+use std::cell::RefCell;
+use std::future::Future;
+use std::pin::Pin;
+use std::rc::{Rc, Weak};
+use std::task::{Context, Poll};
+
+pub use futures::channel::oneshot::Canceled;
+
+use crate::task::LocalWaker;
+
+/// Creates a new futures-aware, one-shot channel.
+///
+/// This function is the same as `sync::oneshot::channel` except that the
+/// returned values cannot be sent across threads.
+pub fn channel<T>() -> (Sender<T>, Receiver<T>) {
+    let inner = Rc::new(RefCell::new(Inner {
+        value: None,
+        tx_task: LocalWaker::new(),
+        rx_task: LocalWaker::new(),
+    }));
+    let tx = Sender {
+        inner: Rc::downgrade(&inner),
+    };
+    let rx = Receiver {
+        state: State::Open(inner),
+    };
+    (tx, rx)
+}
+
+/// Represents the completion half of a oneshot through which the result of a
+/// computation is signaled.
+///
+/// This is created by the `unsync::oneshot::channel` function and is equivalent
+/// in functionality to `sync::oneshot::Sender` except that it cannot be sent
+/// across threads.
+#[derive(Debug)]
+pub struct Sender<T> {
+    inner: Weak<RefCell<Inner<T>>>,
+}
+
+/// A future representing the completion of a computation happening elsewhere in
+/// memory.
+///
+/// This is created by the `unsync::oneshot::channel` function and is equivalent
+/// in functionality to `sync::oneshot::Receiver` except that it cannot be sent
+/// across threads.
+#[derive(Debug)]
+#[must_use = "futures do nothing unless polled"]
+pub struct Receiver<T> {
+    state: State<T>,
+}
+
+// The channels do not ever project Pin to the inner T
+impl<T> Unpin for Receiver<T> {}
+impl<T> Unpin for Sender<T> {}
+
+#[derive(Debug)]
+enum State<T> {
+    Open(Rc<RefCell<Inner<T>>>),
+    Closed(Option<T>),
+}
+
+#[derive(Debug)]
+struct Inner<T> {
+    value: Option<T>,
+    tx_task: LocalWaker,
+    rx_task: LocalWaker,
+}
+
+impl<T> Sender<T> {
+    /// Completes this oneshot with a successful result.
+    ///
+    /// This function will consume `self` and indicate to the other end, the
+    /// `Receiver`, that the error provided is the result of the computation this
+    /// represents.
+    ///
+    /// If the value is successfully enqueued for the remote end to receive,
+    /// then `Ok(())` is returned. If the receiving end was deallocated before
+    /// this function was called, however, then `Err` is returned with the value
+    /// provided.
+    pub fn send(self, val: T) -> Result<(), T> {
+        if let Some(inner) = self.inner.upgrade() {
+            inner.borrow_mut().value = Some(val);
+            Ok(())
+        } else {
+            Err(val)
+        }
+    }
+
+    /// Polls this `Sender` half to detect whether the `Receiver` this has
+    /// paired with has gone away.
+    ///
+    /// This function can be used to learn about when the `Receiver` (consumer)
+    /// half has gone away and nothing will be able to receive a message sent
+    /// from `complete`.
+    ///
+    /// Like `Future::poll`, this function will panic if it's not called from
+    /// within the context of a task. In other words, this should only ever be
+    /// called from inside another future.
+    ///
+    /// If `Ready` is returned then it means that the `Receiver` has disappeared
+    /// and the result this `Sender` would otherwise produce should no longer
+    /// be produced.
+    ///
+    /// If `NotReady` is returned then the `Receiver` is still alive and may be
+    /// able to receive a message if sent. The current task, however, is
+    /// scheduled to receive a notification if the corresponding `Receiver` goes
+    /// away.
+    pub fn poll_canceled(&mut self, cx: &mut Context) -> Poll<()> {
+        match self.inner.upgrade() {
+            Some(inner) => {
+                inner.borrow_mut().tx_task.register(cx.waker());
+                Poll::Pending
+            }
+            None => Poll::Ready(()),
+        }
+    }
+
+    /// Tests to see whether this `Sender`'s corresponding `Receiver`
+    /// has gone away.
+    ///
+    /// This function can be used to learn about when the `Receiver` (consumer)
+    /// half has gone away and nothing will be able to receive a message sent
+    /// from `send`.
+    ///
+    /// Note that this function is intended to *not* be used in the context of a
+    /// future. If you're implementing a future you probably want to call the
+    /// `poll_cancel` function which will block the current task if the
+    /// cancellation hasn't happened yet. This can be useful when working on a
+    /// non-futures related thread, though, which would otherwise panic if
+    /// `poll_cancel` were called.
+    pub fn is_canceled(&self) -> bool {
+        !self.inner.upgrade().is_some()
+    }
+}
+
+impl<T> Drop for Sender<T> {
+    fn drop(&mut self) {
+        let inner = match self.inner.upgrade() {
+            Some(inner) => inner,
+            None => return,
+        };
+        inner.borrow().rx_task.wake();
+    }
+}
+
+impl<T> Receiver<T> {
+    /// Gracefully close this receiver, preventing sending any future messages.
+    ///
+    /// Any `send` operation which happens after this method returns is
+    /// guaranteed to fail. Once this method is called the normal `poll` method
+    /// can be used to determine whether a message was actually sent or not. If
+    /// `Canceled` is returned from `poll` then no message was sent.
+    pub fn close(&mut self) {
+        match self.state {
+            State::Open(ref inner) => {
+                let mut inner = inner.borrow_mut();
+                inner.tx_task.wake();
+                let value = inner.value.take();
+                drop(inner);
+
+                self.state = State::Closed(value);
+            }
+            State::Closed(_) => return,
+        };
+    }
+}
+
+impl<T> Future for Receiver<T> {
+    type Output = Result<T, Canceled>;
+
+    fn poll(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
+        let this = self.get_mut();
+
+        let inner = match this.state {
+            State::Open(ref mut inner) => inner,
+            State::Closed(ref mut item) => match item.take() {
+                Some(item) => return Poll::Ready(Ok(item.into())),
+                None => return Poll::Ready(Err(Canceled)),
+            },
+        };
+
+        // If we've got a value, then skip the logic below as we're done.
+        if let Some(val) = inner.borrow_mut().value.take() {
+            return Poll::Ready(Ok(val));
+        }
+
+        // If we can get mutable access, then the sender has gone away. We
+        // didn't see a value above, so we're canceled. Otherwise we park
+        // our task and wait for a value to come in.
+        if Rc::get_mut(inner).is_some() {
+            Poll::Ready(Err(Canceled))
+        } else {
+            inner.borrow().rx_task.register(cx.waker());
+            Poll::Pending
+        }
+    }
+}
+
+impl<T> Drop for Receiver<T> {
+    fn drop(&mut self) {
+        self.close();
+    }
+}

actix-utils/src/order.rs

@@ -1,14 +1,17 @@
 use std::collections::VecDeque;
 use std::convert::Infallible;
 use std::fmt;
+use std::future::Future;
 use std::marker::PhantomData;
+use std::pin::Pin;
 use std::rc::Rc;
+use std::task::{Context, Poll};
 
 use actix_service::{IntoService, Service, Transform};
-use futures::future::{ok, FutureResult};
-use futures::task::AtomicTask;
-use futures::unsync::oneshot;
-use futures::{Async, Future, Poll};
+use futures::future::{ok, ready, FutureExt, Ready};
+
+use crate::oneshot;
+use crate::task::LocalWaker;
 
 struct Record<I, E> {
     rx: oneshot::Receiver<Result<I, E>>,
@@ -93,7 +96,7 @@ where
     type Error = InOrderError<S::Error>;
     type InitError = Infallible;
     type Transform = InOrderService<S>;
-    type Future = FutureResult<Self::Transform, Self::InitError>;
+    type Future = Ready<Result<Self::Transform, Self::InitError>>;
 
     fn new_transform(&self, service: S) -> Self::Future {
         ok(InOrderService::new(service))
@@ -102,7 +105,7 @@ where
 
 pub struct InOrderService<S: Service> {
     service: S,
-    task: Rc<AtomicTask>,
+    task: Rc<LocalWaker>,
     acks: VecDeque<Record<S::Response, S::Error>>,
 }
 
@@ -120,7 +123,7 @@ where
         Self {
             service: service.into_service(),
             acks: VecDeque::new(),
-            task: Rc::new(AtomicTask::new()),
+            task: Rc::new(LocalWaker::new()),
         }
     }
 }
@@ -137,28 +140,30 @@ where
     type Error = InOrderError<S::Error>;
     type Future = InOrderServiceResponse<S>;
 
-    fn poll_ready(&mut self) -> Poll<(), Self::Error> {
+    fn poll_ready(&mut self, cx: &mut Context) -> Poll<Result<(), Self::Error>> {
         // poll_ready could be called from different task
-        self.task.register();
+        self.task.register(cx.waker());
 
         // check acks
         while !self.acks.is_empty() {
             let rec = self.acks.front_mut().unwrap();
-            match rec.rx.poll() {
-                Ok(Async::Ready(res)) => {
+            match Pin::new(&mut rec.rx).poll(cx) {
+                Poll::Ready(Ok(res)) => {
                     let rec = self.acks.pop_front().unwrap();
                     let _ = rec.tx.send(res);
                 }
-                Ok(Async::NotReady) => break,
-                Err(oneshot::Canceled) => return Err(InOrderError::Disconnected),
+                Poll::Pending => break,
+                Poll::Ready(Err(oneshot::Canceled)) => {
+                    return Poll::Ready(Err(InOrderError::Disconnected))
+                }
             }
         }
 
         // check nested service
-        if let Async::NotReady = self.service.poll_ready().map_err(InOrderError::Service)? {
-            Ok(Async::NotReady)
+        if let Poll::Pending = self.service.poll_ready(cx).map_err(InOrderError::Service)? {
+            Poll::Pending
         } else {
-            Ok(Async::Ready(()))
+            Poll::Ready(Ok(()))
         }
     }
 
@@ -168,10 +173,10 @@ where
         self.acks.push_back(Record { rx: rx1, tx: tx2 });
 
         let task = self.task.clone();
-        tokio_current_thread::spawn(self.service.call(request).then(move |res| {
-            task.notify();
+        tokio_executor::current_thread::spawn(self.service.call(request).then(move |res| {
+            task.wake();
             let _ = tx1.send(res);
-            Ok(())
+            ready(())
         }));
 
         InOrderServiceResponse { rx: rx2 }
@@ -184,29 +189,28 @@ pub struct InOrderServiceResponse<S: Service> {
 }
 
 impl<S: Service> Future for InOrderServiceResponse<S> {
-    type Item = S::Response;
-    type Error = InOrderError<S::Error>;
+    type Output = Result<S::Response, InOrderError<S::Error>>;
 
-    fn poll(&mut self) -> Poll<Self::Item, Self::Error> {
-        match self.rx.poll() {
-            Ok(Async::NotReady) => Ok(Async::NotReady),
-            Ok(Async::Ready(Ok(res))) => Ok(Async::Ready(res)),
-            Ok(Async::Ready(Err(e))) => Err(e.into()),
-            Err(oneshot::Canceled) => Err(InOrderError::Disconnected),
+    fn poll(mut self: Pin<&mut Self>, cx: &mut Context) -> Poll<Self::Output> {
+        match Pin::new(&mut self.rx).poll(cx) {
+            Poll::Pending => Poll::Pending,
+            Poll::Ready(Ok(Ok(res))) => Poll::Ready(Ok(res)),
+            Poll::Ready(Ok(Err(e))) => Poll::Ready(Err(e.into())),
+            Poll::Ready(Err(_)) => Poll::Ready(Err(InOrderError::Disconnected)),
         }
     }
 }
 
 #[cfg(test)]
 mod tests {
-    use futures::future::{lazy, Future};
-    use futures::{stream::futures_unordered, sync::oneshot, Async, Poll, Stream};
 
+    use std::task::{Context, Poll};
     use std::time::Duration;
 
     use super::*;
-    use actix_service::blank::Blank;
-    use actix_service::{Service, ServiceExt};
+    use actix_service::Service;
+    use futures::channel::oneshot;
+    use futures::future::{lazy, LocalBoxFuture};
 
     struct Srv;
 
@@ -214,28 +218,14 @@ mod tests {
         type Request = oneshot::Receiver<usize>;
         type Response = usize;
         type Error = ();
-        type Future = Box<dyn Future<Item = usize, Error = ()>>;
+        type Future = LocalBoxFuture<'static, Result<usize, ()>>;
 
-        fn poll_ready(&mut self) -> Poll<(), Self::Error> {
-            Ok(Async::Ready(()))
+        fn poll_ready(&mut self, _: &mut Context) -> Poll<Result<(), Self::Error>> {
+            Poll::Ready(Ok(()))
         }
 
         fn call(&mut self, req: oneshot::Receiver<usize>) -> Self::Future {
-            Box::new(req.map_err(|_| ()))
-        }
-    }
-
-    struct SrvPoll<S: Service> {
-        s: S,
-    }
-
-    impl<S: Service> Future for SrvPoll<S> {
-        type Item = ();
-        type Error = ();
-
-        fn poll(&mut self) -> Poll<(), ()> {
-            let _ = self.s.poll_ready();
-            Ok(Async::NotReady)
+            req.map(|res| res.map_err(|_| ())).boxed_local()
         }
     }
 
@@ -251,23 +241,26 @@ mod tests {
             let rx2 = rx2;
             let rx3 = rx3;
             let tx_stop = tx_stop;
-            let _ = actix_rt::System::new("test").block_on(lazy(move || {
-                let mut srv = Blank::new().and_then(InOrderService::new(Srv));
+            let _ = actix_rt::System::new("test").block_on(async {
+                let mut srv = InOrderService::new(Srv);
 
                 let res1 = srv.call(rx1);
                 let res2 = srv.call(rx2);
                 let res3 = srv.call(rx3);
-                tokio_current_thread::spawn(SrvPoll { s: srv });
 
-                futures_unordered(vec![res1, res2, res3])
-                    .collect()
-                    .and_then(move |res: Vec<_>| {
-                        assert_eq!(res, vec![1, 2, 3]);
+                let _ = lazy(|cx| srv.poll_ready(cx)).await;
+
+                // dispatcher do this
+                tokio_timer::delay_for(Duration::from_millis(100)).await;
+                let _ = lazy(|cx| srv.poll_ready(cx)).await;
+
+                assert_eq!(res1.await.unwrap(), 1);
+                assert_eq!(res2.await.unwrap(), 2);
+                assert_eq!(res3.await.unwrap(), 3);
+
                 let _ = tx_stop.send(());
                 actix_rt::System::current().stop();
-                        Ok(())
-                    })
-            }));
+            });
         });
 
         let _ = tx3.send(3);
@@ -275,7 +268,7 @@ mod tests {
         let _ = tx2.send(2);
         let _ = tx1.send(1);
 
-        let _ = rx_stop.wait();
+        let _ = actix_rt::System::new("test").block_on(rx_stop);
         let _ = h.join();
     }
 }

actix-utils/src/stream.rs

@@ -1,151 +0,0 @@
-use std::marker::PhantomData;
-use std::rc::Rc;
-
-use actix_service::{IntoService, NewService, Service};
-use futures::unsync::mpsc;
-use futures::{Async, Future, Poll, Stream};
-
-type Request<T> = Result<<T as IntoStream>::Item, <T as IntoStream>::Error>;
-
-pub trait IntoStream {
-    type Item;
-    type Error;
-    type Stream: Stream<Item = Self::Item, Error = Self::Error>;
-
-    fn into_stream(self) -> Self::Stream;
-}
-
-impl<T> IntoStream for T
-where
-    T: Stream,
-{
-    type Item = T::Item;
-    type Error = T::Error;
-    type Stream = T;
-
-    fn into_stream(self) -> Self::Stream {
-        self
-    }
-}
-
-pub struct StreamService<S, T: NewService, E> {
-    factory: Rc<T>,
-    config: T::Config,
-    _t: PhantomData<(S, E)>,
-}
-
-impl<S, T, E> Service for StreamService<S, T, E>
-where
-    S: IntoStream + 'static,
-    T: NewService<Request = Request<S>, Response = (), Error = E, InitError = E>,
-    T::Future: 'static,
-    T::Service: 'static,
-    <T::Service as Service>::Future: 'static,
-{
-    type Request = S;
-    type Response = ();
-    type Error = E;
-    type Future = Box<dyn Future<Item = (), Error = E>>;
-
-    fn poll_ready(&mut self) -> Poll<(), Self::Error> {
-        Ok(Async::Ready(()))
-    }
-
-    fn call(&mut self, req: S) -> Self::Future {
-        Box::new(
-            self.factory
-                .new_service(&self.config)
-                .and_then(move |srv| StreamDispatcher::new(req, srv)),
-        )
-    }
-}
-
-pub struct StreamDispatcher<S, T>
-where
-    S: IntoStream + 'static,
-    T: Service<Request = Request<S>, Response = ()> + 'static,
-    T::Future: 'static,
-{
-    stream: S,
-    service: T,
-    err_rx: mpsc::UnboundedReceiver<T::Error>,
-    err_tx: mpsc::UnboundedSender<T::Error>,
-}
-
-impl<S, T> StreamDispatcher<S, T>
-where
-    S: Stream,
-    T: Service<Request = Request<S>, Response = ()>,
-    T::Future: 'static,
-{
-    pub fn new<F1, F2>(stream: F1, service: F2) -> Self
-    where
-        F1: IntoStream<Stream = S, Item = S::Item, Error = S::Error>,
-        F2: IntoService<T>,
-    {
-        let (err_tx, err_rx) = mpsc::unbounded();
-        StreamDispatcher {
-            err_rx,
-            err_tx,
-            stream: stream.into_stream(),
-            service: service.into_service(),
-        }
-    }
-}
-
-impl<S, T> Future for StreamDispatcher<S, T>
-where
-    S: Stream,
-    T: Service<Request = Request<S>, Response = ()>,
-    T::Future: 'static,
-{
-    type Item = ();
-    type Error = T::Error;
-
-    fn poll(&mut self) -> Poll<Self::Item, Self::Error> {
-        if let Ok(Async::Ready(Some(e))) = self.err_rx.poll() {
-            return Err(e);
-        }
-
-        loop {
-            match self.service.poll_ready()? {
-                Async::Ready(_) => match self.stream.poll() {
-                    Ok(Async::Ready(Some(item))) => {
-                        tokio_current_thread::spawn(StreamDispatcherService {
-                            fut: self.service.call(Ok(item)),
-                            stop: self.err_tx.clone(),
-                        })
-                    }
-                    Err(err) => tokio_current_thread::spawn(StreamDispatcherService {
-                        fut: self.service.call(Err(err)),
-                        stop: self.err_tx.clone(),
-                    }),
-                    Ok(Async::NotReady) => return Ok(Async::NotReady),
-                    Ok(Async::Ready(None)) => return Ok(Async::Ready(())),
-                },
-                Async::NotReady => return Ok(Async::NotReady),
-            }
-        }
-    }
-}
-
-struct StreamDispatcherService<F: Future> {
-    fut: F,
-    stop: mpsc::UnboundedSender<F::Error>,
-}
-
-impl<F: Future> Future for StreamDispatcherService<F> {
-    type Item = ();
-    type Error = ();
-
-    fn poll(&mut self) -> Poll<Self::Item, Self::Error> {
-        match self.fut.poll() {
-            Ok(Async::Ready(_)) => Ok(Async::Ready(())),
-            Ok(Async::NotReady) => Ok(Async::NotReady),
-            Err(e) => {
-                let _ = self.stop.unbounded_send(e);
-                Ok(Async::Ready(()))
-            }
-        }
-    }
-}

actix-utils/src/task.rs

@@ -0,0 +1,69 @@
+use std::cell::UnsafeCell;
+use std::marker::PhantomData;
+use std::task::Waker;
+use std::{fmt, rc};
+
+/// A synchronization primitive for task wakeup.
+///
+/// Sometimes the task interested in a given event will change over time.
+/// An `LocalWaker` can coordinate concurrent notifications with the consumer
+/// potentially "updating" the underlying task to wake up. This is useful in
+/// scenarios where a computation completes in another task and wants to
+/// notify the consumer, but the consumer is in the process of being migrated to
+/// a new logical task.
+///
+/// Consumers should call `register` before checking the result of a computation
+/// and producers should call `wake` after producing the computation (this
+/// differs from the usual `thread::park` pattern). It is also permitted for
+/// `wake` to be called **before** `register`. This results in a no-op.
+///
+/// A single `AtomicWaker` may be reused for any number of calls to `register` or
+/// `wake`.
+pub struct LocalWaker {
+    waker: UnsafeCell<Option<Waker>>,
+    _t: PhantomData<rc::Rc<()>>,
+}
+
+impl LocalWaker {
+    /// Create an `LocalWaker`.
+    pub fn new() -> Self {
+        LocalWaker {
+            waker: UnsafeCell::new(None),
+            _t: PhantomData,
+        }
+    }
+
+    #[inline]
+    /// Registers the waker to be notified on calls to `wake`.
+    pub fn register(&self, waker: &Waker) {
+        unsafe {
+            let w = self.waker.get();
+            if (*w).is_none() {
+                *w = Some(waker.clone())
+            }
+        }
+    }
+
+    #[inline]
+    /// Calls `wake` on the last `Waker` passed to `register`.
+    ///
+    /// If `register` has not been called yet, then this does nothing.
+    pub fn wake(&self) {
+        if let Some(waker) = self.take() {
+            waker.wake();
+        }
+    }
+
+    /// Returns the last `Waker` passed to `register`, so that the user can wake it.
+    ///
+    /// If a waker has not been registered, this returns `None`.
+    pub fn take(&self) -> Option<Waker> {
+        unsafe { (*self.waker.get()).take() }
+    }
+}
+
+impl fmt::Debug for LocalWaker {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        write!(f, "LocalWaker")
+    }
+}

actix-utils/src/time.rs

@@ -1,10 +1,10 @@
 use std::convert::Infallible;
+use std::task::{Context, Poll};
 use std::time::{self, Duration, Instant};
 
-use actix_service::{NewService, Service};
-use futures::future::{ok, FutureResult};
-use futures::{Async, Future, Poll};
-use tokio_timer::sleep;
+use actix_service::{Service, ServiceFactory};
+use futures::future::{ok, ready, FutureExt, Ready};
+use tokio_timer::delay_for;
 
 use super::cell::Cell;
 
@@ -42,14 +42,14 @@ impl Default for LowResTime {
     }
 }
 
-impl NewService for LowResTime {
+impl ServiceFactory for LowResTime {
     type Request = ();
     type Response = Instant;
     type Error = Infallible;
     type InitError = Infallible;
     type Config = ();
     type Service = LowResTimeService;
-    type Future = FutureResult<Self::Service, Self::InitError>;
+    type Future = Ready<Result<Self::Service, Self::InitError>>;
 
     fn new_service(&self, _: &()) -> Self::Future {
         ok(self.timer())
@@ -79,12 +79,10 @@ impl LowResTimeService {
                 b.resolution
             };
 
-            tokio_current_thread::spawn(sleep(interval).map_err(|_| panic!()).and_then(
-                move |_| {
+            tokio_executor::current_thread::spawn(delay_for(interval).then(move |_| {
                 inner.get_mut().current.take();
-                    Ok(())
-                },
-            ));
+                ready(())
+            }));
             now
         }
     }
@@ -94,10 +92,10 @@ impl Service for LowResTimeService {
     type Request = ();
     type Response = Instant;
     type Error = Infallible;
-    type Future = FutureResult<Self::Response, Self::Error>;
+    type Future = Ready<Result<Self::Response, Self::Error>>;
 
-    fn poll_ready(&mut self) -> Poll<(), Self::Error> {
-        Ok(Async::Ready(()))
+    fn poll_ready(&mut self, _: &mut Context<'_>) -> Poll<Result<(), Self::Error>> {
+        Poll::Ready(Ok(()))
     }
 
     fn call(&mut self, _: ()) -> Self::Future {
@@ -146,12 +144,10 @@ impl SystemTimeService {
                 b.resolution
             };
 
-            tokio_current_thread::spawn(sleep(interval).map_err(|_| panic!()).and_then(
-                move |_| {
+            tokio_executor::current_thread::spawn(delay_for(interval).then(move |_| {
                 inner.get_mut().current.take();
-                    Ok(())
-                },
-            ));
+                ready(())
+            }));
             now
         }
     }
@@ -160,7 +156,6 @@ impl SystemTimeService {
 #[cfg(test)]
 mod tests {
     use super::*;
-    use futures::future;
     use std::time::{Duration, SystemTime};
 
     /// State Under Test: Two calls of `SystemTimeService::now()` return the same value if they are done within resolution interval of `SystemTimeService`.
@@ -170,13 +165,11 @@ mod tests {
     fn system_time_service_time_does_not_immediately_change() {
         let resolution = Duration::from_millis(50);
 
-        let _ = actix_rt::System::new("test").block_on(future::lazy(|| {
+        let _ = actix_rt::System::new("test").block_on(async {
             let time_service = SystemTimeService::with(resolution);
 
             assert_eq!(time_service.now(), time_service.now());
-
-            Ok::<(), ()>(())
-        }));
+        });
     }
 
     /// State Under Test: Two calls of `LowResTimeService::now()` return the same value if they are done within resolution interval of `SystemTimeService`.
@@ -186,13 +179,11 @@ mod tests {
     fn lowres_time_service_time_does_not_immediately_change() {
         let resolution = Duration::from_millis(50);
 
-        let _ = actix_rt::System::new("test").block_on(future::lazy(|| {
+        let _ = actix_rt::System::new("test").block_on(async {
             let time_service = LowResTimeService::with(resolution);
 
             assert_eq!(time_service.now(), time_service.now());
-
-            Ok::<(), ()>(())
-        }));
+        });
     }
 
     /// State Under Test: `SystemTimeService::now()` updates returned value every resolution period.
@@ -204,7 +195,7 @@ mod tests {
         let resolution = Duration::from_millis(100);
         let wait_time = Duration::from_millis(150);
 
-        let _ = actix_rt::System::new("test").block_on(future::lazy(|| {
+        actix_rt::System::new("test").block_on(async {
             let time_service = SystemTimeService::with(resolution);
 
             let first_time = time_service
@@ -212,17 +203,15 @@ mod tests {
                 .duration_since(SystemTime::UNIX_EPOCH)
                 .unwrap();
 
-            sleep(wait_time).then(move |_| {
+            delay_for(wait_time).await;
+
             let second_time = time_service
                 .now()
                 .duration_since(SystemTime::UNIX_EPOCH)
                 .unwrap();
 
             assert!(second_time - first_time >= wait_time);
-
-                Ok::<(), ()>(())
-            })
-        }));
+        });
     }
 
     /// State Under Test: `LowResTimeService::now()` updates returned value every resolution period.
@@ -234,18 +223,15 @@ mod tests {
         let resolution = Duration::from_millis(100);
         let wait_time = Duration::from_millis(150);
 
-        let _ = actix_rt::System::new("test").block_on(future::lazy(|| {
+        let _ = actix_rt::System::new("test").block_on(async {
             let time_service = LowResTimeService::with(resolution);
 
             let first_time = time_service.now();
 
-            sleep(wait_time).then(move |_| {
+            delay_for(wait_time).await;
+
             let second_time = time_service.now();
-
             assert!(second_time - first_time >= wait_time);
-
-                Ok::<(), ()>(())
-            })
-        }));
+        });
     }
 }

actix-utils/src/timeout.rs

@@ -2,19 +2,21 @@
 //!
 //! If the response does not complete within the specified timeout, the response
 //! will be aborted.
-use std::fmt;
+use std::future::Future;
 use std::marker::PhantomData;
-use std::time::Duration;
+use std::pin::Pin;
+use std::task::{Context, Poll};
+use std::{fmt, time};
 
 use actix_service::{IntoService, Service, Transform};
-use futures::future::{ok, FutureResult};
-use futures::{Async, Future, Poll};
-use tokio_timer::{clock, Delay};
+use futures::future::{ok, Ready};
+use pin_project::pin_project;
+use tokio_timer::{clock, delay, Delay};
 
 /// Applies a timeout to requests.
 #[derive(Debug)]
 pub struct Timeout<E = ()> {
-    timeout: Duration,
+    timeout: time::Duration,
     _t: PhantomData<E>,
 }
 
@@ -66,7 +68,7 @@ impl<E: PartialEq> PartialEq for TimeoutError<E> {
 }
 
 impl<E> Timeout<E> {
-    pub fn new(timeout: Duration) -> Self {
+    pub fn new(timeout: time::Duration) -> Self {
         Timeout {
             timeout,
             _t: PhantomData,
@@ -89,7 +91,7 @@ where
     type Error = TimeoutError<S::Error>;
     type InitError = E;
     type Transform = TimeoutService<S>;
-    type Future = FutureResult<Self::Transform, Self::InitError>;
+    type Future = Ready<Result<Self::Transform, Self::InitError>>;
 
     fn new_transform(&self, service: S) -> Self::Future {
         ok(TimeoutService {
@@ -103,14 +105,14 @@ where
 #[derive(Debug, Clone)]
 pub struct TimeoutService<S> {
     service: S,
-    timeout: Duration,
+    timeout: time::Duration,
 }
 
 impl<S> TimeoutService<S>
 where
     S: Service,
 {
-    pub fn new<U>(timeout: Duration, service: U) -> Self
+    pub fn new<U>(timeout: time::Duration, service: U) -> Self
     where
         U: IntoService<S>,
     {
@@ -130,21 +132,23 @@ where
     type Error = TimeoutError<S::Error>;
     type Future = TimeoutServiceResponse<S>;
 
-    fn poll_ready(&mut self) -> Poll<(), Self::Error> {
-        self.service.poll_ready().map_err(TimeoutError::Service)
+    fn poll_ready(&mut self, cx: &mut Context<'_>) -> Poll<Result<(), Self::Error>> {
+        self.service.poll_ready(cx).map_err(TimeoutError::Service)
     }
 
     fn call(&mut self, request: S::Request) -> Self::Future {
         TimeoutServiceResponse {
             fut: self.service.call(request),
-            sleep: Delay::new(clock::now() + self.timeout),
+            sleep: delay(clock::now() + self.timeout),
         }
     }
 }
 
 /// `TimeoutService` response future
+#[pin_project]
 #[derive(Debug)]
 pub struct TimeoutServiceResponse<T: Service> {
+    #[pin]
     fut: T::Future,
     sleep: Delay,
 }
@@ -153,36 +157,34 @@ impl<T> Future for TimeoutServiceResponse<T>
 where
     T: Service,
 {
-    type Item = T::Response;
-    type Error = TimeoutError<T::Error>;
+    type Output = Result<T::Response, TimeoutError<T::Error>>;
+
+    fn poll(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
+        let mut this = self.project();
 
-    fn poll(&mut self) -> Poll<Self::Item, Self::Error> {
         // First, try polling the future
-        match self.fut.poll() {
-            Ok(Async::Ready(v)) => return Ok(Async::Ready(v)),
-            Ok(Async::NotReady) => {}
-            Err(e) => return Err(TimeoutError::Service(e)),
+        match this.fut.poll(cx) {
+            Poll::Ready(Ok(v)) => return Poll::Ready(Ok(v)),
+            Poll::Ready(Err(e)) => return Poll::Ready(Err(TimeoutError::Service(e))),
+            Poll::Pending => {}
         }
 
         // Now check the sleep
-        match self.sleep.poll() {
-            Ok(Async::NotReady) => Ok(Async::NotReady),
-            Ok(Async::Ready(_)) => Err(TimeoutError::Timeout),
-            Err(_) => Err(TimeoutError::Timeout),
+        match Pin::new(&mut this.sleep).poll(cx) {
+            Poll::Pending => Poll::Pending,
+            Poll::Ready(_) => Poll::Ready(Err(TimeoutError::Timeout)),
         }
     }
 }
 
 #[cfg(test)]
 mod tests {
-    use futures::future::lazy;
-    use futures::{Async, Poll};
-
+    use std::task::{Context, Poll};
     use std::time::Duration;
 
     use super::*;
-    use actix_service::blank::{Blank, BlankNewService};
-    use actix_service::{NewService, Service, ServiceExt};
+    use actix_service::{apply, factory_fn, Service, ServiceFactory};
+    use futures::future::{ok, FutureExt, LocalBoxFuture};
 
     struct SleepService(Duration);
 
@@ -190,14 +192,16 @@ mod tests {
         type Request = ();
         type Response = ();
         type Error = ();
-        type Future = Box<dyn Future<Item = (), Error = ()>>;
+        type Future = LocalBoxFuture<'static, Result<(), ()>>;
 
-        fn poll_ready(&mut self) -> Poll<(), Self::Error> {
-            Ok(Async::Ready(()))
+        fn poll_ready(&mut self, _: &mut Context) -> Poll<Result<(), Self::Error>> {
+            Poll::Ready(Ok(()))
         }
 
         fn call(&mut self, _: ()) -> Self::Future {
-            Box::new(tokio_timer::sleep(self.0).map_err(|_| ()))
+            tokio_timer::delay_for(self.0)
+                .then(|_| ok::<_, ()>(()))
+                .boxed_local()
         }
     }
 
@@ -206,11 +210,10 @@ mod tests {
         let resolution = Duration::from_millis(100);
         let wait_time = Duration::from_millis(50);
 
-        let res = actix_rt::System::new("test").block_on(lazy(|| {
-            let mut timeout = Blank::default()
-                .and_then(TimeoutService::new(resolution, SleepService(wait_time)));
-            timeout.call(())
-        }));
+        let res = actix_rt::System::new("test").block_on(async {
+            let mut timeout = TimeoutService::new(resolution, SleepService(wait_time));
+            timeout.call(()).await
+        });
         assert_eq!(res, Ok(()));
     }
 
@@ -219,11 +222,10 @@ mod tests {
         let resolution = Duration::from_millis(100);
         let wait_time = Duration::from_millis(150);
 
-        let res = actix_rt::System::new("test").block_on(lazy(|| {
-            let mut timeout = Blank::default()
-                .and_then(TimeoutService::new(resolution, SleepService(wait_time)));
-            timeout.call(())
-        }));
+        let res = actix_rt::System::new("test").block_on(async {
+            let mut timeout = TimeoutService::new(resolution, SleepService(wait_time));
+            timeout.call(()).await
+        });
         assert_eq!(res, Err(TimeoutError::Timeout));
     }
 
@@ -232,15 +234,15 @@ mod tests {
         let resolution = Duration::from_millis(100);
         let wait_time = Duration::from_millis(150);
 
-        let res = actix_rt::System::new("test").block_on(lazy(|| {
-            let timeout = BlankNewService::<(), (), ()>::default()
-                .apply(Timeout::new(resolution), || Ok(SleepService(wait_time)));
-            if let Async::Ready(mut to) = timeout.new_service(&()).poll().unwrap() {
-                to.call(())
-            } else {
-                panic!()
-            }
-        }));
+        let res = actix_rt::System::new("test").block_on(async {
+            let timeout = apply(
+                Timeout::new(resolution),
+                factory_fn(|| ok::<_, ()>(SleepService(wait_time))),
+            );
+            let mut srv = timeout.new_service(&()).await.unwrap();
+
+            srv.call(()).await
+        });
         assert_eq!(res, Err(TimeoutError::Timeout));
     }
 }