Merge pull request #102 from JohnTitor/single-import

Remove single import

.appveyor.yml

@@ -1,41 +0,0 @@
-environment:
-  global:
-    PROJECT_NAME: actix-net
-  matrix:
-    # Stable channel
-    - TARGET: i686-pc-windows-msvc
-      CHANNEL: stable
-    - TARGET: x86_64-pc-windows-gnu
-      CHANNEL: stable
-    - TARGET: x86_64-pc-windows-msvc
-      CHANNEL: stable
-    # Nightly channel
-    - TARGET: i686-pc-windows-msvc
-      CHANNEL: nightly
-    - TARGET: x86_64-pc-windows-gnu
-      CHANNEL: nightly
-    - TARGET: x86_64-pc-windows-msvc
-      CHANNEL: nightly
-
-# Install Rust and Cargo
-# (Based on from https://github.com/rust-lang/libc/blob/master/appveyor.yml)
-install:
-  - ps: >-
-        If ($Env:TARGET -eq 'x86_64-pc-windows-gnu') {
-           $Env:PATH += ';C:\msys64\mingw64\bin'
-        } ElseIf ($Env:TARGET -eq 'i686-pc-windows-gnu') {
-           $Env:PATH += ';C:\MinGW\bin'
-        }
-  - curl -sSf -o rustup-init.exe https://win.rustup.rs
-  - rustup-init.exe --default-host %TARGET% --default-toolchain %CHANNEL% -y
-  - set PATH=%PATH%;C:\Users\appveyor\.cargo\bin
-  - rustc -Vv
-  - cargo -V
-
-# 'cargo test' takes care of building for us, so disable Appveyor's build stage.
-build: false
-
-# Equivalent to Travis' `script` phase
-test_script:
-  - cargo clean
-  - cargo test

.github/workflows/clippy.yml

@@ -0,0 +1,18 @@
+on: pull_request
+
+name: Clippy Check
+jobs:
+  clippy_check:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@master
+      - uses: actions-rs/toolchain@v1
+        with:
+          toolchain: nightly
+          components: clippy
+          profile: minimal
+          override: true
+      - uses: actions-rs/clippy-check@v1
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+          args: --all-features --all --tests

.github/workflows/linux.yml

@@ -0,0 +1,77 @@
+name: CI (Linux)
+
+on: [push, pull_request]
+
+jobs:
+  build_and_test:
+    strategy:
+      fail-fast: false
+      matrix:
+        version:
+          - 1.39.0
+          - stable
+          - nightly
+
+    name: ${{ matrix.version }} - x86_64-unknown-linux-gnu
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@master
+
+      - name: Install ${{ matrix.version }}
+        uses: actions-rs/toolchain@v1
+        with:
+          toolchain: ${{ matrix.version }}-x86_64-unknown-linux-gnu
+          profile: minimal
+          override: true
+
+      - name: Generate Cargo.lock
+        uses: actions-rs/cargo@v1
+        with:
+          command: generate-lockfile
+      - name: Cache cargo registry
+        uses: actions/cache@v1
+        with:
+          path: ~/.cargo/registry
+          key: ${{ matrix.version }}-x86_64-unknown-linux-gnu-cargo-registry-trimmed-${{ hashFiles('**/Cargo.lock') }}
+      - name: Cache cargo index
+        uses: actions/cache@v1
+        with:
+          path: ~/.cargo/git
+          key: ${{ matrix.version }}-x86_64-unknown-linux-gnu-cargo-index-trimmed-${{ hashFiles('**/Cargo.lock') }}
+      - name: Cache cargo build
+        uses: actions/cache@v1
+        with:
+          path: target
+          key: ${{ matrix.version }}-x86_64-unknown-linux-gnu-cargo-build-trimmed-${{ hashFiles('**/Cargo.lock') }}
+
+      - name: check build
+        uses: actions-rs/cargo@v1
+        with:
+          command: check
+          args: --all --bins --examples --tests
+
+      - name: tests
+        uses: actions-rs/cargo@v1
+        timeout-minutes: 40
+        with:
+          command: test
+          args: --all --all-features --no-fail-fast -- --nocapture
+
+      - name: Generate coverage file
+        if: matrix.version == 'stable' && github.ref == 'refs/heads/master'
+        run: |
+          cargo install cargo-tarpaulin
+          cargo tarpaulin --out Xml --workspace --all-features
+
+      - name: Upload to Codecov
+        if: matrix.version == 'stable' && github.ref == 'refs/heads/master'
+        uses: codecov/codecov-action@v1
+        with:
+          token: ${{ secrets.CODECOV_TOKEN }}
+          file: cobertura.xml
+
+      - name: Clear the cargo caches
+        run: |
+          cargo install cargo-cache --no-default-features --features ci-autoclean
+          cargo-cache

.github/workflows/macos.yml

@@ -0,0 +1,37 @@
+name: CI (macOS)
+
+on: [push, pull_request]
+
+jobs:
+  build_and_test:
+    strategy:
+      fail-fast: false
+      matrix:
+        version:
+          - stable
+          - nightly
+
+    name: ${{ matrix.version }} - x86_64-apple-darwin
+    runs-on: macos-latest
+
+    steps:
+      - uses: actions/checkout@master
+
+      - name: Install ${{ matrix.version }}
+        uses: actions-rs/toolchain@v1
+        with:
+          toolchain: ${{ matrix.version }}-x86_64-apple-darwin
+          profile: minimal
+          override: true
+
+      - name: check build
+        uses: actions-rs/cargo@v1
+        with:
+          command: check
+          args: --all --bins --examples --tests
+
+      - name: tests
+        uses: actions-rs/cargo@v1
+        with:
+          command: test
+          args: --all --all-features --no-fail-fast -- --nocapture

.github/workflows/main.yml

@@ -1,58 +0,0 @@
-name: CI
-
-on: [push, pull_request]
-
-jobs:
-  build_and_test:
-    strategy:
-      fail-fast: false
-      matrix:
-        toolchain:
-          - x86_64-pc-windows-msvc
-          - x86_64-pc-windows-gnu
-          - i686-pc-windows-msvc
-          - x86_64-apple-darwin
-        version:
-          - stable
-          - nightly
-        include:
-        - toolchain: x86_64-pc-windows-msvc
-          os: windows-latest
-        - toolchain: x86_64-pc-windows-gnu
-          os: windows-latest
-        - toolchain: i686-pc-windows-msvc
-          os: windows-latest
-        - toolchain: x86_64-apple-darwin
-          os: macOS-latest
-
-    name: ${{ matrix.version }} - ${{ matrix.toolchain }}
-    runs-on: ${{ matrix.os }}
-
-    steps:
-      - uses: actions/checkout@master
-
-      - name: Install ${{ matrix.version }}
-        uses: actions-rs/toolchain@v1
-        with:
-          toolchain: ${{ matrix.version }}-${{ matrix.toolchain }}
-          default: true
-
-      - name: check nightly
-        if: matrix.version == 'nightly'
-        uses: actions-rs/cargo@v1
-        with:
-          command: check
-          args: --all --benches --bins --examples --tests
-
-      - name: check stable
-        if: matrix.version == 'stable'
-        uses: actions-rs/cargo@v1
-        with:
-          command: check
-          args: --all --bins --examples --tests
-
-      - name: tests
-        uses: actions-rs/cargo@v1
-        with:
-          command: test
-          args: --all -- --nocapture

.github/workflows/windows-mingw.yml

@@ -0,0 +1,54 @@
+name: CI (Windows-mingw)
+
+on: [push, pull_request]
+
+env:
+  OPENSSL_DIR: d:\a\_temp\msys\msys64\usr
+
+jobs:
+  build_and_test:
+    strategy:
+      fail-fast: false
+      matrix:
+        version:
+          - stable
+          - nightly
+
+    name: ${{ matrix.version }} - x86_64-pc-windows-gnu
+    runs-on: windows-latest
+
+    steps:
+      - uses: actions/checkout@master
+
+      - name: Install ${{ matrix.version }}
+        uses: actions-rs/toolchain@v1
+        with:
+          toolchain: ${{ matrix.version }}-x86_64-pc-windows-gnu
+          profile: minimal
+          override: true
+
+      - name: Install MSYS2
+        uses: numworks/setup-msys2@v1
+
+      - name: Install OpenSSL
+        run: |
+          msys2do pacman --noconfirm -S openssl-devel pkg-config
+
+      - name: Copy and check libs
+        run: |
+          Copy-Item d:\a\_temp\msys\msys64\usr\lib\libssl.dll.a d:\a\_temp\msys\msys64\usr\lib\libssl.dll
+          Copy-Item d:\a\_temp\msys\msys64\usr\lib\libcrypto.dll.a d:\a\_temp\msys\msys64\usr\lib\libcrypto.dll
+          Get-ChildItem d:\a\_temp\msys\msys64\usr\lib
+          Get-ChildItem d:\a\_temp\msys\msys64\usr
+
+      - name: check build
+        uses: actions-rs/cargo@v1
+        with:
+          command: check
+          args: --all --bins --examples --tests
+
+      - name: tests
+        uses: actions-rs/cargo@v1
+        with:
+          command: test
+          args: --all --all-features --no-fail-fast -- --nocapture

.github/workflows/windows.yml

@@ -0,0 +1,63 @@
+name: CI (Windows)
+
+on: [push, pull_request]
+
+env:
+  VCPKGRS_DYNAMIC: 1
+
+jobs:
+  build_and_test:
+    strategy:
+      fail-fast: false
+      matrix:
+        version:
+          - stable
+          - nightly
+        target:
+          - x86_64-pc-windows-msvc
+          - i686-pc-windows-msvc
+
+    name: ${{ matrix.version }} - ${{ matrix.target }}
+    runs-on: windows-latest
+
+    steps:
+      - uses: actions/checkout@master
+
+      - name: Install ${{ matrix.version }}
+        uses: actions-rs/toolchain@v1
+        with:
+          toolchain: ${{ matrix.version }}-${{ matrix.target }}
+          profile: minimal
+          override: true
+
+      - name: Install OpenSSL (x64)
+        if: matrix.target == 'x86_64-pc-windows-msvc'
+        run: |
+          vcpkg integrate install
+          vcpkg install openssl:x64-windows
+          Get-ChildItem C:\vcpkg\installed\x64-windows\bin
+          Get-ChildItem C:\vcpkg\installed\x64-windows\lib
+          Copy-Item C:\vcpkg\installed\x64-windows\bin\libcrypto-1_1-x64.dll C:\vcpkg\installed\x64-windows\bin\libcrypto.dll
+          Copy-Item C:\vcpkg\installed\x64-windows\bin\libssl-1_1-x64.dll C:\vcpkg\installed\x64-windows\bin\libssl.dll
+
+      - name: Install OpenSSL (x86)
+        if: matrix.target == 'i686-pc-windows-msvc'
+        run: |
+          vcpkg integrate install
+          vcpkg install openssl:x86-windows
+          Get-ChildItem C:\vcpkg\installed\x86-windows\bin
+          Get-ChildItem C:\vcpkg\installed\x86-windows\lib
+          Copy-Item C:\vcpkg\installed\x86-windows\bin\libcrypto-1_1.dll C:\vcpkg\installed\x86-windows\bin\libcrypto.dll
+          Copy-Item C:\vcpkg\installed\x86-windows\bin\libssl-1_1.dll C:\vcpkg\installed\x86-windows\bin\libssl.dll
+
+      - name: check build
+        uses: actions-rs/cargo@v1
+        with:
+          command: check
+          args: --all --bins --examples --tests
+
+      - name: tests
+        uses: actions-rs/cargo@v1
+        with:
+          command: test
+          args: --all --all-features --no-fail-fast -- --nocapture

.travis.yml

@@ -1,49 +0,0 @@
-language: rust
-sudo: required
-dist: trusty
-
-cache:
-  cargo: true
-  apt: true
-
-matrix:
-  include:
-    - rust: stable
-    - rust: beta
-    - rust: nightly-2019-11-07
-  allow_failures:
-    - rust: nightly-2019-11-07
-
-env:
-  global:
-    - RUSTFLAGS="-C link-dead-code"
-    - OPENSSL_VERSION=openssl-1.0.2
-
-before_install:
-  - sudo add-apt-repository -y ppa:0k53d-karl-f830m/openssl
-  - sudo apt-get update -qq
-  - sudo apt-get install -y openssl libssl-dev libelf-dev libdw-dev cmake gcc binutils-dev libiberty-dev
-
-before_cache: |
-  if [[ "$TRAVIS_RUST_VERSION" == "nightly-2019-11-07" ]]; then
-    RUSTFLAGS="--cfg procmacro2_semver_exempt" cargo install --version 0.6.11 cargo-tarpaulin
-  fi
-
-# Add clippy
-before_script:
-  - export PATH=$PATH:~/.cargo/bin
-
-script:
-  - |
-    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-2019-11-07" ]]; then
-    taskset -c 0 cargo tarpaulin --all --all-features --out Xml
-    echo "Uploaded code coverage"
-    bash <(curl -s https://codecov.io/bash)
-    fi

Cargo.toml

@@ -10,6 +10,7 @@ members = [
   "actix-testing",
   "actix-threadpool",
   "actix-tls",
+  "actix-tracing",
   "actix-utils",
   "router",
   "string",
@@ -26,6 +27,7 @@ actix-service = { path = "actix-service" }
 actix-testing = { path = "actix-testing" }
 actix-threadpool = { path = "actix-threadpool" }
 actix-tls = { path = "actix-tls" }
+actix-tracing = { path = "actix-tracing" }
 actix-utils = { path = "actix-utils" }
 actix-router = { path = "router" }
 bytestring = { path = "string" }

README.md

@@ -1,7 +1,16 @@
-# Actix net [![Build Status](https://travis-ci.org/actix/actix-net.svg?branch=master)](https://travis-ci.org/actix/actix-net) [![codecov](https://codecov.io/gh/actix/actix-net/branch/master/graph/badge.svg)](https://codecov.io/gh/actix/actix-net) [![Join the chat at https://gitter.im/actix/actix](https://badges.gitter.im/actix/actix.svg)](https://gitter.im/actix/actix?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
+# Actix net [![codecov](https://codecov.io/gh/actix/actix-net/branch/master/graph/badge.svg)](https://codecov.io/gh/actix/actix-net) [![Join the chat at https://gitter.im/actix/actix](https://badges.gitter.im/actix/actix.svg)](https://gitter.im/actix/actix?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
 
 Actix net - framework for composable network services
 
+## Build statuses
+
+| Platform         | Build Status |
+| ---------------- | ------------ |
+| Linux            | [![build status](https://github.com/actix/actix-net/workflows/CI%20%28Linux%29/badge.svg?branch=master&event=push)](https://github.com/actix/actix-net/actions?query=workflow%3A"CI+(Linux)") |
+| macOS            | [![build status](https://github.com/actix/actix-net/workflows/CI%20%28macOS%29/badge.svg?branch=master&event=push)](https://github.com/actix/actix-net/actions?query=workflow%3A"CI+(macOS)") |
+| Windows          | [![build status](https://github.com/actix/actix-net/workflows/CI%20%28Windows%29/badge.svg?branch=master&event=push)](https://github.com/actix/actix-net/actions?query=workflow%3A"CI+(Windows)") |
+| Windows (MinGW)  | [![build status](https://github.com/actix/actix-net/workflows/CI%20%28Windows-mingw%29/badge.svg?branch=master&event=push)](https://github.com/actix/actix-net/actions?query=workflow%3A"CI+(Windows-mingw)") |
+
 ## Documentation & community resources
 
 * [Chat on gitter](https://gitter.im/actix/actix)
@@ -30,14 +39,16 @@ fn main() -> io::Result<()> {
                 let num = num.clone();
                 let acceptor = acceptor.clone();
 
-                // service for converting incoming TcpStream to a SslStream<TcpStream>
-                fn_service(move |stream: Io<tokio_tcp::TcpStream>| {
-                    SslAcceptorExt::accept_async(&acceptor, stream.into_parts().0)
-                        .map_err(|e| println!("Openssl error: {}", e))
-                })
-                // .and_then() combinator uses other service to convert incoming `Request` to a
-                // `Response` and then uses that response as an input for next
-                // service. in this case, on success we use `logger` service
+                // construct transformation pipeline
+                pipeline(
+                    // service for converting incoming TcpStream to a SslStream<TcpStream>
+                    fn_service(move |stream: actix_rt::net::TcpStream| async move {
+                        SslAcceptorExt::accept_async(&acceptor, stream.into_parts().0).await
+                            .map_err(|e| println!("Openssl error: {}", e))
+                    }))
+                // .and_then() combinator chains result of previos service call to argument
+                /// for next service calll. in this case, on success we chain
+                /// ssl stream to the `logger` service.
                 .and_then(fn_service(logger))
                 // Next service counts number of connections
                 .and_then(move |_| {

actix-codec/CHANGES.md

@@ -1,5 +1,15 @@
 # Changes
 
+* Use `.advance()` intead of `.split_to()`
+
+## [0.2.0] - 2019-12-10
+
+* Use specific futures dependencies
+
+## [0.2.0-alpha.4]
+
+* Fix buffer remaining capacity calcualtion
+
 ## [0.2.0-alpha.3]
 
 * Use tokio 0.2
@@ -10,17 +20,14 @@
 
 * Migrated to `std::future`
 
-
 ## [0.1.2] - 2019-03-27
 
 * Added `Framed::map_io()` method.
 
-
 ## [0.1.1] - 2019-03-06
 
 * Added `FramedParts::with_read_buffer()` method.
 
-
 ## [0.1.0] - 2018-12-09
 
 * Move codec to separate crate

actix-codec/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "actix-codec"
-version = "0.2.0-alpha.3"
+version = "0.2.0"
 authors = ["Nikolay Kim <fafhrd91@gmail.com>"]
 description = "Utilities for encoding and decoding frames"
 keywords = ["network", "framework", "async", "futures"]
@@ -9,7 +9,6 @@ repository = "https://github.com/actix/actix-net.git"
 documentation = "https://docs.rs/actix-codec/"
 categories = ["network-programming", "asynchronous"]
 license = "MIT/Apache-2.0"
-exclude = [".gitignore", ".travis.yml", ".cargo/config", "appveyor.yml"]
 edition = "2018"
 workspace = ".."
 
@@ -20,7 +19,8 @@ path = "src/lib.rs"
 [dependencies]
 bitflags = "1.2.1"
 bytes = "0.5.2"
-futures = "0.3.1"
+futures-core = "0.3.1"
+futures-sink = "0.3.1"
 tokio = { version = "0.2.4", default-features=false }
 tokio-util = { version = "0.2.0", default-features=false, features=["codec"] }
 log = "0.4"

actix-codec/src/framed.rs

@@ -2,8 +2,9 @@ use std::pin::Pin;
 use std::task::{Context, Poll};
 use std::{fmt, io};
 
-use bytes::{BufMut, BytesMut};
-use futures::{ready, Sink, Stream};
+use bytes::{Buf, BytesMut};
+use futures_core::{ready, Stream};
+use futures_sink::Sink;
 
 use crate::{AsyncRead, AsyncWrite, Decoder, Encoder};
 
@@ -19,8 +20,6 @@ bitflags::bitflags! {
 
 /// A unified `Stream` and `Sink` interface to an underlying I/O object, using
 /// the `Encoder` and `Decoder` traits to encode and decode frames.
-///
-/// You can create a `Framed` instance by using the `AsyncRead::framed` adapter.
 pub struct Framed<T, U> {
     io: T,
     codec: U,
@@ -49,10 +48,6 @@ where
     /// `Sink`; grouping this into a single object is often useful for layering
     /// things like gzip or TLS, which require both read and write access to the
     /// underlying object.
-    ///
-    /// If you want to work more directly with the streams and sink, consider
-    /// calling `split` on the `Framed` returned by this method, which will
-    /// break them into separate objects, allowing them to interact more easily.
     pub fn new(io: T, codec: U) -> Framed<T, U> {
         Framed {
             io,
@@ -82,10 +77,6 @@ impl<T, U> Framed<T, U> {
     /// This objects takes a stream and a readbuffer and a writebuffer. These
     /// field can be obtained from an existing `Framed` with the
     /// `into_parts` method.
-    ///
-    /// If you want to work more directly with the streams and sink, consider
-    /// calling `split` on the `Framed` returned by this method, which will
-    /// break them into separate objects, allowing them to interact more easily.
     pub fn from_parts(parts: FramedParts<T, U>) -> Framed<T, U> {
         Framed {
             io: parts.io,
@@ -136,15 +127,6 @@ impl<T, U> Framed<T, U> {
         self.write_buf.len() >= HW
     }
 
-    /// Consumes the `Frame`, returning its underlying I/O stream.
-    ///
-    /// Note that care should be taken to not tamper with the underlying stream
-    /// of data coming in as it may corrupt the stream of frames otherwise
-    /// being worked with.
-    pub fn into_inner(self) -> T {
-        self.io
-    }
-
     /// Consume the `Frame`, returning `Frame` with different codec.
     pub fn into_framed<U2>(self, codec: U2) -> Framed<T, U2> {
         Framed {
@@ -208,7 +190,7 @@ impl<T, U> Framed<T, U> {
         T: AsyncWrite,
         U: Encoder,
     {
-        let remaining = self.write_buf.remaining_mut();
+        let remaining = self.write_buf.capacity() - self.write_buf.len();
         if remaining < LW {
             self.write_buf.reserve(HW - remaining);
         }
@@ -217,11 +199,14 @@ impl<T, U> Framed<T, U> {
         Ok(())
     }
 
-    /// Check if framed is able to write more data
-    pub fn is_ready(&self) -> bool {
+    /// Check if framed is able to write more data.
+    ///
+    /// `Framed` object considers ready if there is free space in write buffer.
+    pub fn is_write_ready(&self) -> bool {
         self.write_buf.len() < HW
     }
 
+    /// Try to read underlying I/O stream and decode item.
     pub fn next_item(&mut self, cx: &mut Context<'_>) -> Poll<Option<Result<U::Item, U::Error>>>
     where
         T: AsyncRead,
@@ -251,9 +236,7 @@ impl<T, U> Framed<T, U> {
                         return Poll::Ready(Some(Ok(frame)));
                     }
                     Err(e) => return Poll::Ready(Some(Err(e))),
-                    _ => {
-                        // Need more data
-                    }
+                    _ => (), // Need more data
                 }
 
                 self.flags.remove(Flags::READABLE);
@@ -262,7 +245,7 @@ impl<T, U> Framed<T, U> {
             debug_assert!(!self.flags.contains(Flags::EOF));
 
             // Otherwise, try to read more data and try again. Make sure we've got room
-            let remaining = self.read_buf.remaining_mut();
+            let remaining = self.read_buf.capacity() - self.read_buf.len();
             if remaining < LW {
                 self.read_buf.reserve(HW - remaining)
             }
@@ -281,6 +264,7 @@ impl<T, U> Framed<T, U> {
         }
     }
 
+    /// Flush write buffer to underlying I/O stream.
     pub fn flush(&mut self, cx: &mut Context<'_>) -> Poll<Result<(), U::Error>>
     where
         T: AsyncWrite,
@@ -298,15 +282,13 @@ impl<T, U> Framed<T, U> {
             if n == 0 {
                 return Poll::Ready(Err(io::Error::new(
                     io::ErrorKind::WriteZero,
-                    "failed to \
-                     write frame to transport",
+                    "failed to write frame to transport",
                 )
                 .into()));
             }
 
-            // TODO: Add a way to `bytes` to do this w/o returning the drained
-            // data.
-            let _ = self.write_buf.split_to(n);
+            // remove written data
+            self.write_buf.advance(n);
         }
 
         // Try flushing the underlying IO
@@ -316,6 +298,7 @@ impl<T, U> Framed<T, U> {
         Poll::Ready(Ok(()))
     }
 
+    /// Flush write buffer and shutdown underlying I/O stream.
     pub fn close(&mut self, cx: &mut Context<'_>) -> Poll<Result<(), U::Error>>
     where
         T: AsyncWrite,
@@ -350,7 +333,7 @@ where
     type Error = U::Error;
 
     fn poll_ready(self: Pin<&mut Self>, _: &mut Context<'_>) -> Poll<Result<(), Self::Error>> {
-        if self.is_ready() {
+        if self.is_write_ready() {
             Poll::Ready(Ok(()))
         } else {
             Poll::Pending

actix-codec/src/lib.rs

@@ -7,7 +7,6 @@
 //! [`AsyncRead`]: #
 //! [`AsyncWrite`]: #
 #![deny(rust_2018_idioms, warnings)]
-#![allow(clippy::type_complexity)]
 
 mod bcodec;
 mod framed;

actix-connect/CHANGES.md

@@ -1,5 +1,17 @@
 # Changes
 
+## [1.0.2] - 2020-01-15
+
+* Fix actix-service 1.0.3 compatibility
+
+## [1.0.1] - 2019-12-15
+
+* Fix trust-dns-resolver compilation
+
+## [1.0.0] - 2019-12-11
+
+* Release
+
 ## [1.0.0-alpha.3] - 2019-12-07
 
 ### Changed

actix-connect/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "actix-connect"
-version = "1.0.0-alpha.3"
+version = "1.0.2"
 authors = ["Nikolay Kim <fafhrd91@gmail.com>"]
 description = "Actix connect - tcp connector service"
 keywords = ["network", "framework", "async", "futures"]
@@ -9,9 +9,7 @@ repository = "https://github.com/actix/actix-net.git"
 documentation = "https://docs.rs/actix-connect/"
 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 = ["openssl", "rustls", "uri"]
@@ -33,16 +31,17 @@ rustls = ["rust-tls", "tokio-rustls", "webpki"]
 uri = ["http"]
 
 [dependencies]
-actix-service = "1.0.0-alpha.3"
-actix-codec = "0.2.0-alpha.3"
-actix-utils = "1.0.0-alpha.3"
-actix-rt = "1.0.0-alpha.3"
+actix-service = "1.0.3"
+actix-codec = "0.2.0"
+actix-utils = "1.0.6"
+actix-rt = "1.0.0"
 derive_more = "0.99.2"
-either = "1.5.2"
+either = "1.5.3"
 futures = "0.3.1"
 http = { version = "0.2.0", optional = true }
 log = "0.4"
-trust-dns-resolver = { version="0.18.0-alpha.2", default-features = false, features=["tokio"] }
+trust-dns-proto = "=0.18.0-alpha.2"
+trust-dns-resolver = "=0.18.0-alpha.2"
 
 # openssl
 open-ssl = { version="0.10", package = "openssl", optional = true }
@@ -54,5 +53,5 @@ tokio-rustls = { version = "0.12.0", optional = true }
 webpki = { version = "0.21", optional = true }
 
 [dev-dependencies]
-bytes = "0.5.2"
-actix-testing = { version="1.0.0-alpha.2" }
+bytes = "0.5.3"
+actix-testing = { version="1.0.0" }

actix-connect/src/lib.rs

@@ -72,7 +72,7 @@ pub fn start_default_resolver() -> AsyncResolver {
 }
 
 /// Create tcp connector service
-pub fn new_connector<T: Address>(
+pub fn new_connector<T: Address + 'static>(
     resolver: AsyncResolver,
 ) -> impl Service<Request = Connect<T>, Response = Connection<T, TcpStream>, Error = ConnectError>
        + Clone {
@@ -80,7 +80,7 @@ pub fn new_connector<T: Address>(
 }
 
 /// Create tcp connector service
-pub fn new_connector_factory<T: Address>(
+pub fn new_connector_factory<T: Address + 'static>(
     resolver: AsyncResolver,
 ) -> impl ServiceFactory<
     Config = (),
@@ -93,14 +93,14 @@ pub fn new_connector_factory<T: Address>(
 }
 
 /// Create connector service with default parameters
-pub fn default_connector<T: Address>(
+pub fn default_connector<T: Address + 'static>(
 ) -> impl Service<Request = Connect<T>, Response = Connection<T, TcpStream>, Error = ConnectError>
        + Clone {
     pipeline(Resolver::default()).and_then(TcpConnector::new())
 }
 
 /// Create connector service factory with default parameters
-pub fn default_connector_factory<T: Address>() -> impl ServiceFactory<
+pub fn default_connector_factory<T: Address + 'static>() -> impl ServiceFactory<
     Config = (),
     Request = Connect<T>,
     Response = Connection<T, TcpStream>,

actix-connect/src/ssl/rustls.rs

@@ -38,7 +38,7 @@ where
 {
     pub fn service(connector: Arc<ClientConfig>) -> RustlsConnectorService<T, U> {
         RustlsConnectorService {
-            connector: connector,
+            connector,
             _t: PhantomData,
         }
     }

actix-connect/tests/test_connect.rs

@@ -2,7 +2,7 @@ use std::io;
 
 use actix_codec::{BytesCodec, Framed};
 use actix_rt::net::TcpStream;
-use actix_service::{service_fn, Service, ServiceFactory};
+use actix_service::{fn_service, Service, ServiceFactory};
 use actix_testing::TestServer;
 use bytes::Bytes;
 use futures::SinkExt;
@@ -14,7 +14,7 @@ use actix_connect::Connect;
 #[actix_rt::test]
 async fn test_string() {
     let srv = TestServer::with(|| {
-        service_fn(|io: TcpStream| {
+        fn_service(|io: TcpStream| {
             async {
                 let mut framed = Framed::new(io, BytesCodec);
                 framed.send(Bytes::from_static(b"test")).await?;
@@ -33,7 +33,7 @@ async fn test_string() {
 #[actix_rt::test]
 async fn test_rustls_string() {
     let srv = TestServer::with(|| {
-        service_fn(|io: TcpStream| {
+        fn_service(|io: TcpStream| {
             async {
                 let mut framed = Framed::new(io, BytesCodec);
                 framed.send(Bytes::from_static(b"test")).await?;
@@ -51,7 +51,7 @@ async fn test_rustls_string() {
 #[actix_rt::test]
 async fn test_static_str() {
     let srv = TestServer::with(|| {
-        service_fn(|io: TcpStream| {
+        fn_service(|io: TcpStream| {
             async {
                 let mut framed = Framed::new(io, BytesCodec);
                 framed.send(Bytes::from_static(b"test")).await?;
@@ -75,7 +75,7 @@ async fn test_static_str() {
 #[actix_rt::test]
 async fn test_new_service() {
     let srv = TestServer::with(|| {
-        service_fn(|io: TcpStream| {
+        fn_service(|io: TcpStream| {
             async {
                 let mut framed = Framed::new(io, BytesCodec);
                 framed.send(Bytes::from_static(b"test")).await?;
@@ -100,7 +100,7 @@ async fn test_uri() {
     use std::convert::TryFrom;
 
     let srv = TestServer::with(|| {
-        service_fn(|io: TcpStream| {
+        fn_service(|io: TcpStream| {
             async {
                 let mut framed = Framed::new(io, BytesCodec);
                 framed.send(Bytes::from_static(b"test")).await?;
@@ -121,7 +121,7 @@ async fn test_rustls_uri() {
     use std::convert::TryFrom;
 
     let srv = TestServer::with(|| {
-        service_fn(|io: TcpStream| {
+        fn_service(|io: TcpStream| {
             async {
                 let mut framed = Framed::new(io, BytesCodec);
                 framed.send(Bytes::from_static(b"test")).await?;

actix-ioframe/CHANGES.md

@@ -1,5 +1,21 @@
 # Changes
 
+## [0.5.0] - 2019-12-29
+
+* Simplify state management
+
+* Allow to set custom output stream
+
+* Removed disconnect callback
+
+## [0.4.1] - 2019-12-11
+
+* Disconnect callback accepts owned state
+
+## [0.4.0] - 2019-12-11
+
+* Remove `E` param
+
 ## [0.3.0-alpha.3] - 2019-12-07
 
 * Migrate to tokio 0.2

actix-ioframe/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "actix-ioframe"
-version = "0.3.0-alpha.3"
+version = "0.5.0"
 authors = ["Nikolay Kim <fafhrd91@gmail.com>"]
 description = "Actix framed service"
 keywords = ["network", "framework", "async", "futures"]
@@ -9,25 +9,23 @@ repository = "https://github.com/actix/actix-net.git"
 documentation = "https://docs.rs/actix-ioframe/"
 categories = ["network-programming", "asynchronous"]
 license = "MIT/Apache-2.0"
-exclude = [".gitignore", ".travis.yml", ".cargo/config", "appveyor.yml"]
 edition = "2018"
-workspace = ".."
 
 [lib]
 name = "actix_ioframe"
 path = "src/lib.rs"
 
 [dependencies]
-actix-service = "1.0.0-alpha.3"
-actix-codec = "0.2.0-alpha.2"
-actix-utils = "1.0.0-alpha.2"
-actix-rt = "1.0.0-alpha.2"
-bytes = "0.5"
-either = "1.5.2"
+actix-service = "1.0.1"
+actix-codec = "0.2.0"
+actix-utils = "1.0.4"
+actix-rt = "1.0.0"
+bytes = "0.5.3"
+either = "1.5.3"
 futures = "0.3.1"
 pin-project = "0.4.6"
 log = "0.4"
 
 [dev-dependencies]
-actix-connect = "1.0.0-alpha.2"
-actix-testing = "1.0.0-alpha.2"
+actix-connect = "1.0.0"
+actix-testing = "1.0.0"

actix-ioframe/src/cell.rs

@@ -1,39 +0,0 @@
-//! Custom cell impl
-
-use std::cell::UnsafeCell;
-use std::fmt;
-use std::rc::Rc;
-
-pub(crate) struct Cell<T> {
-    inner: Rc<UnsafeCell<T>>,
-}
-
-impl<T> Clone for Cell<T> {
-    fn clone(&self) -> Self {
-        Self {
-            inner: self.inner.clone(),
-        }
-    }
-}
-
-impl<T: fmt::Debug> fmt::Debug for Cell<T> {
-    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        self.inner.fmt(f)
-    }
-}
-
-impl<T> Cell<T> {
-    pub fn new(inner: T) -> Self {
-        Self {
-            inner: Rc::new(UnsafeCell::new(inner)),
-        }
-    }
-
-    pub(crate) unsafe fn get_ref(&mut self) -> &T {
-        &*self.inner.as_ref().get()
-    }
-
-    pub(crate) unsafe fn get_mut(&mut self) -> &mut T {
-        &mut *self.inner.as_ref().get()
-    }
-}

actix-ioframe/src/connect.rs

@@ -3,20 +3,21 @@ use std::pin::Pin;
 use std::task::{Context, Poll};
 
 use actix_codec::{AsyncRead, AsyncWrite, Decoder, Encoder, Framed};
-use actix_utils::mpsc;
+use actix_utils::mpsc::Receiver;
 use futures::Stream;
 
-use crate::dispatcher::FramedMessage;
-use crate::sink::Sink;
-
-pub struct Connect<Io, St = (), Codec = ()> {
+pub struct Connect<Io, Codec>
+where
+    Codec: Encoder + Decoder,
+{
     io: Io,
-    _t: PhantomData<(St, Codec)>,
+    _t: PhantomData<Codec>,
 }
 
-impl<Io> Connect<Io>
+impl<Io, Codec> Connect<Io, Codec>
 where
     Io: AsyncRead + AsyncWrite,
+    Codec: Encoder + Decoder,
 {
     pub(crate) fn new(io: Io) -> Self {
         Self {
@@ -25,36 +26,26 @@ where
         }
     }
 
-    pub fn codec<Codec>(self, codec: Codec) -> ConnectResult<Io, (), Codec>
-    where
-        Codec: Encoder + Decoder,
-    {
-        let (tx, rx) = mpsc::channel();
-        let sink = Sink::new(tx);
-
+    pub fn codec(
+        self,
+        codec: Codec,
+    ) -> ConnectResult<Io, (), Codec, Receiver<<Codec as Encoder>::Item>> {
         ConnectResult {
             state: (),
+            out: None,
             framed: Framed::new(self.io, codec),
-            rx,
-            sink,
         }
     }
 }
 
 #[pin_project::pin_project]
-pub struct ConnectResult<Io, St, Codec: Encoder + Decoder> {
+pub struct ConnectResult<Io, St, Codec: Encoder + Decoder, Out> {
     pub(crate) state: St,
+    pub(crate) out: Option<Out>,
     pub(crate) framed: Framed<Io, Codec>,
-    pub(crate) rx: mpsc::Receiver<FramedMessage<<Codec as Encoder>::Item>>,
-    pub(crate) sink: Sink<<Codec as Encoder>::Item>,
 }
 
-impl<Io, St, Codec: Encoder + Decoder> ConnectResult<Io, St, Codec> {
-    #[inline]
-    pub fn sink(&self) -> &Sink<<Codec as Encoder>::Item> {
-        &self.sink
-    }
-
+impl<Io, St, Codec: Encoder + Decoder, Out: Unpin> ConnectResult<Io, St, Codec, Out> {
     #[inline]
     pub fn get_ref(&self) -> &Io {
         self.framed.get_ref()
@@ -65,18 +56,28 @@ impl<Io, St, Codec: Encoder + Decoder> ConnectResult<Io, St, Codec> {
         self.framed.get_mut()
     }
 
+    pub fn out<U>(self, out: U) -> ConnectResult<Io, St, Codec, U>
+    where
+        U: Stream<Item = <Codec as Encoder>::Item> + Unpin,
+    {
+        ConnectResult {
+            state: self.state,
+            framed: self.framed,
+            out: Some(out),
+        }
+    }
+
     #[inline]
-    pub fn state<S>(self, state: S) -> ConnectResult<Io, S, Codec> {
+    pub fn state<S>(self, state: S) -> ConnectResult<Io, S, Codec, Out> {
         ConnectResult {
             state,
             framed: self.framed,
-            rx: self.rx,
-            sink: self.sink,
+            out: self.out,
         }
     }
 }
 
-impl<Io, St, Codec> Stream for ConnectResult<Io, St, Codec>
+impl<Io, St, Codec, Out> Stream for ConnectResult<Io, St, Codec, Out>
 where
     Io: AsyncRead + AsyncWrite,
     Codec: Encoder + Decoder,
@@ -88,7 +89,8 @@ where
     }
 }
 
-impl<Io, St, Codec> futures::Sink<<Codec as Encoder>::Item> for ConnectResult<Io, St, Codec>
+impl<Io, St, Codec, Out> futures::Sink<<Codec as Encoder>::Item>
+    for ConnectResult<Io, St, Codec, Out>
 where
     Io: AsyncRead + AsyncWrite,
     Codec: Encoder + Decoder,
@@ -96,7 +98,7 @@ where
     type Error = <Codec as Encoder>::Error;
 
     fn poll_ready(self: Pin<&mut Self>, _: &mut Context<'_>) -> Poll<Result<(), Self::Error>> {
-        if self.framed.is_ready() {
+        if self.framed.is_write_ready() {
             Poll::Ready(Ok(()))
         } else {
             Poll::Pending

actix-ioframe/src/dispatcher.rs

@@ -1,87 +1,56 @@
 //! Framed dispatcher service and related utilities
-use std::collections::VecDeque;
-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 actix_utils::task::LocalWaker;
-use actix_utils::{mpsc, oneshot};
-use futures::future::ready;
-use futures::{FutureExt, Sink as FutureSink, Stream};
+use actix_service::Service;
+use actix_utils::mpsc;
+use futures::Stream;
 use log::debug;
 
-use crate::cell::Cell;
 use crate::error::ServiceError;
-use crate::item::Item;
-use crate::sink::Sink;
 
-type Request<S, U> = Item<S, U>;
+type Request<U> = <U as Decoder>::Item;
 type Response<U> = <U as Encoder>::Item;
 
-pub(crate) enum FramedMessage<T> {
-    Message(T),
-    Close,
-    WaitClose(oneshot::Sender<()>),
-}
-
 /// 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>
+pub(crate) struct Dispatcher<S, T, U, Out>
 where
-    St: Clone,
-    S: Service<Request = Request<St, U>, Response = Option<Response<U>>>,
+    S: Service<Request = Request<U>, Response = Option<Response<U>>>,
     S::Error: 'static,
     S::Future: 'static,
     T: AsyncRead + AsyncWrite,
     U: Encoder + Decoder,
     <U as Encoder>::Item: 'static,
     <U as Encoder>::Error: std::fmt::Debug,
+    Out: Stream<Item = <U as Encoder>::Item> + Unpin,
 {
     service: S,
-    sink: Sink<<U as Encoder>::Item>,
-    state: St,
-    dispatch_state: FramedState<S, U>,
+    sink: Option<Out>,
+    state: FramedState<S, U>,
     framed: Framed<T, U>,
-    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)>>,
+    rx: mpsc::Receiver<Result<<U as Encoder>::Item, S::Error>>,
 }
 
-impl<St, S, T, U> FramedDispatcher<St, S, T, U>
+impl<S, T, U, Out> Dispatcher<S, T, U, Out>
 where
-    St: Clone,
-    S: Service<Request = Request<St, U>, Response = Option<Response<U>>>,
+    S: Service<Request = Request<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,
+    Out: Stream<Item = <U as Encoder>::Item> + Unpin,
 {
-    pub(crate) fn new<F: IntoService<S>>(
-        framed: Framed<T, U>,
-        state: St,
-        service: F,
-        rx: mpsc::Receiver<FramedMessage<<U as Encoder>::Item>>,
-        sink: Sink<<U as Encoder>::Item>,
-        disconnect: Option<Rc<dyn Fn(&mut St, bool)>>,
-    ) -> Self {
-        FramedDispatcher {
-            framed,
-            state,
+    pub(crate) fn new(framed: Framed<T, U>, service: S, sink: Option<Out>) -> Self {
+        Dispatcher {
             sink,
-            disconnect,
-            rx: Some(rx),
-            service: service.into_service(),
-            dispatch_state: FramedState::Processing,
-            inner: Cell::new(FramedDispatcherInner {
-                buf: VecDeque::new(),
-                task: LocalWaker::new(),
-            }),
+            service,
+            framed,
+            rx: mpsc::channel().1,
+            state: FramedState::Processing,
         }
     }
 }
@@ -90,307 +59,184 @@ enum FramedState<S: Service, U: Encoder + Decoder> {
     Processing,
     Error(ServiceError<S::Error, U>),
     FramedError(ServiceError<S::Error, U>),
-    FlushAndStop(Vec<oneshot::Sender<()>>),
+    FlushAndStop,
     Stopping,
 }
 
 impl<S: Service, U: Encoder + Decoder> FramedState<S, U> {
-    fn stop(&mut self, tx: Option<oneshot::Sender<()>>) {
-        match self {
-            FramedState::FlushAndStop(ref mut vec) => {
-                if let Some(tx) = tx {
-                    vec.push(tx)
-                }
-            }
-            FramedState::Processing => {
-                *self = FramedState::FlushAndStop(if let Some(tx) = tx {
-                    vec![tx]
-                } else {
-                    Vec::new()
-                })
-            }
-            FramedState::Error(_) | FramedState::FramedError(_) | FramedState::Stopping => {
-                if let Some(tx) = tx {
-                    let _ = tx.send(());
-                }
-            }
+    fn take_error(&mut self) -> ServiceError<S::Error, U> {
+        match std::mem::replace(self, FramedState::Processing) {
+            FramedState::Error(err) => err,
+            _ => panic!(),
+        }
+    }
+
+    fn take_framed_error(&mut self) -> ServiceError<S::Error, U> {
+        match std::mem::replace(self, FramedState::Processing) {
+            FramedState::FramedError(err) => err,
+            _ => panic!(),
         }
     }
 }
 
-struct FramedDispatcherInner<I, E> {
-    buf: VecDeque<Result<I, E>>,
-    task: LocalWaker,
-}
-
-impl<St, S, T, U> FramedDispatcher<St, S, T, U>
+impl<S, T, U, Out> Dispatcher<S, T, U, Out>
 where
-    St: Clone,
-    S: Service<Request = Request<St, U>, Response = Option<Response<U>>>,
+    S: Service<Request = Request<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,
+    Out: Stream<Item = <U as Encoder>::Item> + Unpin,
 {
+    fn poll_read(&mut self, cx: &mut Context<'_>) -> bool {
+        loop {
+            match self.service.poll_ready(cx) {
+                Poll::Ready(Ok(_)) => {
+                    let item = match self.framed.next_item(cx) {
+                        Poll::Ready(Some(Ok(el))) => el,
+                        Poll::Ready(Some(Err(err))) => {
+                            self.state = FramedState::FramedError(ServiceError::Decoder(err));
+                            return true;
+                        }
+                        Poll::Pending => return false,
+                        Poll::Ready(None) => {
+                            log::trace!("Client disconnected");
+                            self.state = FramedState::Stopping;
+                            return true;
+                        }
+                    };
+
+                    let tx = self.rx.sender();
+                    let fut = self.service.call(item);
+                    actix_rt::spawn(async move {
+                        let item = fut.await;
+                        let item = match item {
+                            Ok(Some(item)) => Ok(item),
+                            Ok(None) => return,
+                            Err(err) => Err(err),
+                        };
+                        let _ = tx.send(item);
+                    });
+                }
+                Poll::Pending => return false,
+                Poll::Ready(Err(err)) => {
+                    self.state = FramedState::Error(ServiceError::Service(err));
+                    return true;
+                }
+            }
+        }
+    }
+
+    /// write to framed object
+    fn poll_write(&mut self, cx: &mut Context<'_>) -> bool {
+        loop {
+            while !self.framed.is_write_buf_full() {
+                match Pin::new(&mut self.rx).poll_next(cx) {
+                    Poll::Ready(Some(Ok(msg))) => {
+                        if let Err(err) = self.framed.write(msg) {
+                            self.state = FramedState::FramedError(ServiceError::Encoder(err));
+                            return true;
+                        }
+                        continue;
+                    }
+                    Poll::Ready(Some(Err(err))) => {
+                        self.state = FramedState::Error(ServiceError::Service(err));
+                        return true;
+                    }
+                    Poll::Ready(None) | Poll::Pending => (),
+                }
+
+                if self.sink.is_some() {
+                    match Pin::new(self.sink.as_mut().unwrap()).poll_next(cx) {
+                        Poll::Ready(Some(msg)) => {
+                            if let Err(err) = self.framed.write(msg) {
+                                self.state =
+                                    FramedState::FramedError(ServiceError::Encoder(err));
+                                return true;
+                            }
+                            continue;
+                        }
+                        Poll::Ready(None) => {
+                            let _ = self.sink.take();
+                            self.state = FramedState::FlushAndStop;
+                            return true;
+                        }
+                        Poll::Pending => (),
+                    }
+                }
+                break;
+            }
+
+            if !self.framed.is_write_buf_empty() {
+                match self.framed.flush(cx) {
+                    Poll::Pending => break,
+                    Poll::Ready(Ok(_)) => (),
+                    Poll::Ready(Err(err)) => {
+                        debug!("Error sending data: {:?}", err);
+                        self.state = FramedState::FramedError(ServiceError::Encoder(err));
+                        return true;
+                    }
+                }
+            } else {
+                break;
+            }
+        }
+        false
+    }
+
     pub(crate) fn poll(
         &mut self,
         cx: &mut Context<'_>,
     ) -> Poll<Result<(), ServiceError<S::Error, U>>> {
-        let this = self;
-        unsafe { this.inner.get_ref().task.register(cx.waker()) };
-
-        poll(
-            cx,
-            &mut this.service,
-            &mut this.state,
-            &mut this.sink,
-            &mut this.framed,
-            &mut this.dispatch_state,
-            &mut this.rx,
-            &mut this.inner,
-            &mut this.disconnect,
-        )
-    }
-}
-
-fn poll<St, S, T, U>(
-    cx: &mut Context<'_>,
-    srv: &mut S,
-    state: &mut 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
-    St: Clone,
-    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,
-{
-    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, true);
+        match self.state {
+            FramedState::Processing => loop {
+                let read = self.poll_read(cx);
+                let write = self.poll_write(cx);
+                if read || write {
+                    continue;
+                } else {
+                    return Poll::Pending;
                 }
-                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);
+            },
+            FramedState::Error(_) => {
+                // flush write buffer
+                if !self.framed.is_write_buf_empty() {
+                    if let Poll::Pending = self.framed.flush(cx) {
                         return Poll::Pending;
                     }
-                    Poll::Ready(_) => (),
                 }
-            };
-            for tx in vec.drain(..) {
-                let _ = tx.send(());
+                Poll::Ready(Err(self.state.take_error()))
             }
-            if let Some(ref disconnect) = disconnect {
-                (&*disconnect)(&mut *state, false);
-            }
-            Poll::Ready(Ok(()))
-        }
-        FramedState::FramedError(err) => {
-            if let Some(ref disconnect) = disconnect {
-                (&*disconnect)(&mut *state, true);
-            }
-            Poll::Ready(Err(err))
-        }
-        FramedState::Stopping => {
-            if let Some(ref disconnect) = disconnect {
-                (&*disconnect)(&mut *state, false);
-            }
-            Poll::Ready(Ok(()))
-        }
-    }
-}
-
-fn poll_read<St, S, T, U>(
-    cx: &mut Context<'_>,
-    srv: &mut S,
-    state: &mut 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
-    St: Clone,
-    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,
-{
-    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))) => {
-                        *dispatch_state = FramedState::FramedError(ServiceError::Decoder(err));
-                        return true;
+            FramedState::FlushAndStop => {
+                // drain service responses
+                match Pin::new(&mut self.rx).poll_next(cx) {
+                    Poll::Ready(Some(Ok(msg))) => {
+                        if self.framed.write(msg).is_err() {
+                            return Poll::Ready(Ok(()));
+                        }
                     }
-                    Poll::Pending => return false,
-                    Poll::Ready(None) => {
-                        log::trace!("Client disconnected");
-                        *dispatch_state = FramedState::Stopping;
-                        return true;
+                    Poll::Ready(Some(Err(_))) => return Poll::Ready(Ok(())),
+                    Poll::Ready(None) | Poll::Pending => (),
+                }
+
+                // flush io
+                if !self.framed.is_write_buf_empty() {
+                    match self.framed.flush(cx) {
+                        Poll::Ready(Err(err)) => {
+                            debug!("Error sending data: {:?}", err);
+                        }
+                        Poll::Pending => {
+                            return Poll::Pending;
+                        }
+                        Poll::Ready(_) => (),
                     }
                 };
-
-                let mut cell = inner.clone();
-                actix_rt::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 ready(()),
-                            Err(err) => Err(err),
-                        };
-                        unsafe {
-                            let inner = cell.get_mut();
-                            inner.buf.push_back(item);
-                            inner.task.wake();
-                        }
-                        ready(())
-                    },
-                ));
-            }
-            Poll::Pending => return false,
-            Poll::Ready(Err(err)) => {
-                *dispatch_state = FramedState::Error(ServiceError::Service(err));
-                return true;
+                Poll::Ready(Ok(()))
             }
+            FramedState::FramedError(_) => Poll::Ready(Err(self.state.take_framed_error())),
+            FramedState::Stopping => Poll::Ready(Ok(())),
         }
     }
 }
-
-/// 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,
-    U: Decoder + Encoder,
-    <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 !framed.is_write_buf_full() {
-            if !buf_empty {
-                match inner.buf.pop_front().unwrap() {
-                    Ok(msg) => {
-                        if let Err(err) = framed.write(msg) {
-                            *dispatch_state =
-                                FramedState::FramedError(ServiceError::Encoder(err));
-                            return true;
-                        }
-                        buf_empty = inner.buf.is_empty();
-                    }
-                    Err(err) => {
-                        *dispatch_state = FramedState::Error(ServiceError::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.write(msg) {
-                            *dispatch_state =
-                                FramedState::FramedError(ServiceError::Encoder(err));
-                            return true;
-                        }
-                    }
-                    Poll::Ready(Some(FramedMessage::Close)) => {
-                        dispatch_state.stop(None);
-                        return true;
-                    }
-                    Poll::Ready(Some(FramedMessage::WaitClose(tx))) => {
-                        dispatch_state.stop(Some(tx));
-                        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);
-                    *dispatch_state = FramedState::FramedError(ServiceError::Encoder(err));
-                    return true;
-                }
-                Poll::Ready(_) => (),
-            }
-        } else {
-            break;
-        }
-    }
-
-    false
-}

actix-ioframe/src/item.rs

@@ -1,82 +0,0 @@
-use std::fmt;
-use std::ops::{Deref, DerefMut};
-
-use actix_codec::{Decoder, Encoder};
-
-use crate::sink::Sink;
-
-pub struct Item<St, Codec: Encoder + Decoder> {
-    state: St,
-    sink: Sink<<Codec as Encoder>::Item>,
-    item: <Codec as Decoder>::Item,
-}
-
-impl<St, Codec> Item<St, Codec>
-where
-    Codec: Encoder + Decoder,
-{
-    pub(crate) fn new(
-        state: St,
-        sink: Sink<<Codec as Encoder>::Item>,
-        item: <Codec as Decoder>::Item,
-    ) -> Self {
-        Item { state, sink, item }
-    }
-
-    #[inline]
-    pub fn state(&self) -> &St {
-        &self.state
-    }
-
-    #[inline]
-    pub fn state_mut(&mut self) -> &mut St {
-        &mut self.state
-    }
-
-    #[inline]
-    pub fn sink(&self) -> &Sink<<Codec as Encoder>::Item> {
-        &self.sink
-    }
-
-    #[inline]
-    pub fn into_inner(self) -> <Codec as Decoder>::Item {
-        self.item
-    }
-
-    #[inline]
-    pub fn into_parts(self) -> (St, Sink<<Codec as Encoder>::Item>, <Codec as Decoder>::Item) {
-        (self.state, self.sink, self.item)
-    }
-}
-
-impl<St, Codec> Deref for Item<St, Codec>
-where
-    Codec: Encoder + Decoder,
-{
-    type Target = <Codec as Decoder>::Item;
-
-    #[inline]
-    fn deref(&self) -> &<Codec as Decoder>::Item {
-        &self.item
-    }
-}
-
-impl<St, Codec> DerefMut for Item<St, Codec>
-where
-    Codec: Encoder + Decoder,
-{
-    #[inline]
-    fn deref_mut(&mut self) -> &mut <Codec as Decoder>::Item {
-        &mut self.item
-    }
-}
-
-impl<St, Codec> fmt::Debug for Item<St, Codec>
-where
-    Codec: Encoder + Decoder,
-    <Codec as Decoder>::Item: fmt::Debug,
-{
-    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        f.debug_tuple("FramedItem").field(&self.item).finish()
-    }
-}

actix-ioframe/src/lib.rs

@@ -1,16 +1,11 @@
-#![deny(rust_2018_idioms, warnings)]
+// #![deny(rust_2018_idioms, warnings)]
 #![allow(clippy::type_complexity, clippy::too_many_arguments)]
 
-mod cell;
 mod connect;
 mod dispatcher;
 mod error;
-mod item;
 mod service;
-mod sink;
 
 pub use self::connect::{Connect, ConnectResult};
 pub use self::error::ServiceError;
-pub use self::item::Item;
-pub use self::service::{Builder, NewServiceBuilder, ServiceBuilder};
-pub use self::sink::Sink;
+pub use self::service::{Builder, FactoryBuilder};

actix-ioframe/src/service.rs

@@ -4,258 +4,265 @@ use std::pin::Pin;
 use std::rc::Rc;
 use std::task::{Context, Poll};
 
-use actix_codec::{AsyncRead, AsyncWrite, Decoder, Encoder};
+use actix_codec::{AsyncRead, AsyncWrite, Decoder, Encoder, Framed};
 use actix_service::{IntoService, IntoServiceFactory, Service, ServiceFactory};
 use either::Either;
-use futures::future::{FutureExt, LocalBoxFuture};
+use futures::{ready, Stream};
 use pin_project::project;
 
 use crate::connect::{Connect, ConnectResult};
-use crate::dispatcher::FramedDispatcher;
+use crate::dispatcher::Dispatcher;
 use crate::error::ServiceError;
-use crate::item::Item;
 
-type RequestItem<S, U> = Item<S, U>;
+type RequestItem<U> = <U as Decoder>::Item;
 type ResponseItem<U> = Option<<U as Encoder>::Item>;
 
 /// Service builder - structure that follows the builder pattern
 /// for building instances for framed services.
-pub struct Builder<St, Codec>(PhantomData<(St, Codec)>);
-
-impl<St: Clone, Codec> Default for Builder<St, Codec> {
-    fn default() -> Builder<St, Codec> {
-        Builder::new()
-    }
+pub struct Builder<St, C, Io, Codec, Out> {
+    connect: C,
+    _t: PhantomData<(St, Io, Codec, Out)>,
 }
 
-impl<St: Clone, Codec> Builder<St, Codec> {
-    pub fn new() -> Builder<St, Codec> {
-        Builder(PhantomData)
-    }
-
+impl<St, C, Io, Codec, Out> Builder<St, C, Io, Codec, Out>
+where
+    C: Service<Request = Connect<Io, Codec>, Response = ConnectResult<Io, St, Codec, Out>>,
+    Io: AsyncRead + AsyncWrite,
+    Codec: Decoder + Encoder,
+    <Codec as Encoder>::Item: 'static,
+    <Codec as Encoder>::Error: std::fmt::Debug,
+    Out: Stream<Item = <Codec as Encoder>::Item> + Unpin,
+{
     /// Construct framed handler service with specified connect service
-    pub fn service<Io, C, F>(self, connect: F) -> ServiceBuilder<St, C, Io, Codec>
+    pub fn new<F>(connect: F) -> Builder<St, C, Io, Codec, Out>
     where
         F: IntoService<C>,
         Io: AsyncRead + AsyncWrite,
-        C: Service<Request = Connect<Io>, Response = ConnectResult<Io, St, Codec>>,
+        C: Service<Request = Connect<Io, Codec>, Response = ConnectResult<Io, St, Codec, Out>>,
         Codec: Decoder + Encoder,
+        Out: Stream<Item = <Codec as Encoder>::Item>,
     {
-        ServiceBuilder {
+        Builder {
             connect: connect.into_service(),
-            disconnect: None,
             _t: PhantomData,
         }
     }
 
+    /// Provide stream items handler service and construct service factory.
+    pub fn build<F, T>(self, service: F) -> FramedServiceImpl<St, C, T, Io, Codec, Out>
+    where
+        F: IntoServiceFactory<T>,
+        T: ServiceFactory<
+            Config = St,
+            Request = RequestItem<Codec>,
+            Response = ResponseItem<Codec>,
+            Error = C::Error,
+            InitError = C::Error,
+        >,
+    {
+        FramedServiceImpl {
+            connect: self.connect,
+            handler: Rc::new(service.into_factory()),
+            _t: PhantomData,
+        }
+    }
+}
+
+/// Service builder - structure that follows the builder pattern
+/// for building instances for framed services.
+pub struct FactoryBuilder<St, C, Io, Codec, Out> {
+    connect: C,
+    _t: PhantomData<(St, Io, Codec, Out)>,
+}
+
+impl<St, C, Io, Codec, Out> FactoryBuilder<St, C, Io, Codec, Out>
+where
+    Io: AsyncRead + AsyncWrite,
+    C: ServiceFactory<
+        Config = (),
+        Request = Connect<Io, Codec>,
+        Response = ConnectResult<Io, St, Codec, Out>,
+    >,
+    Codec: Decoder + Encoder,
+    <Codec as Encoder>::Error: std::fmt::Debug,
+    Out: Stream<Item = <Codec as Encoder>::Item> + Unpin,
+{
     /// Construct framed handler new service with specified connect service
-    pub fn factory<Io, C, F>(self, connect: F) -> NewServiceBuilder<St, C, Io, Codec>
+    pub fn new<F>(connect: F) -> FactoryBuilder<St, C, Io, Codec, Out>
     where
         F: IntoServiceFactory<C>,
         Io: AsyncRead + AsyncWrite,
         C: ServiceFactory<
             Config = (),
-            Request = Connect<Io>,
-            Response = ConnectResult<Io, St, Codec>,
+            Request = Connect<Io, Codec>,
+            Response = ConnectResult<Io, St, Codec, Out>,
         >,
-        C::Error: 'static,
-        C::Future: 'static,
         Codec: Decoder + Encoder,
+        Out: Stream<Item = <Codec as Encoder>::Item> + Unpin,
     {
-        NewServiceBuilder {
+        FactoryBuilder {
             connect: connect.into_factory(),
-            disconnect: None,
             _t: PhantomData,
         }
     }
-}
 
-pub struct ServiceBuilder<St, C, Io, Codec> {
-    connect: C,
-    disconnect: Option<Rc<dyn Fn(&mut St, bool)>>,
-    _t: PhantomData<(St, Io, Codec)>,
-}
-
-impl<St, C, Io, Codec> ServiceBuilder<St, C, Io, Codec>
-where
-    St: Clone,
-    C: Service<Request = Connect<Io>, Response = ConnectResult<Io, St, Codec>>,
-    C::Error: 'static,
-    Io: AsyncRead + AsyncWrite,
-    Codec: Decoder + Encoder,
-    <Codec as Encoder>::Item: 'static,
-    <Codec as Encoder>::Error: std::fmt::Debug,
-{
-    /// Callback to execute on disconnect
-    ///
-    /// Second parameter indicates error occured during disconnect.
-    pub fn disconnect<F, Out>(mut self, disconnect: F) -> Self
-    where
-        F: Fn(&mut St, bool) + 'static,
-    {
-        self.disconnect = Some(Rc::new(disconnect));
-        self
-    }
-
-    /// Provide stream items handler service and construct service factory.
-    pub fn finish<F, T>(self, service: F) -> FramedServiceImpl<St, C, T, Io, Codec>
+    pub fn build<F, T, Cfg>(self, service: F) -> FramedService<St, C, T, Io, Codec, Out, Cfg>
     where
         F: IntoServiceFactory<T>,
         T: ServiceFactory<
-                Config = St,
-                Request = RequestItem<St, Codec>,
-                Response = ResponseItem<Codec>,
-                Error = C::Error,
-                InitError = C::Error,
-            > + 'static,
-    {
-        FramedServiceImpl {
-            connect: self.connect,
-            handler: Rc::new(service.into_factory()),
-            disconnect: self.disconnect.clone(),
-            _t: PhantomData,
-        }
-    }
-}
-
-pub struct NewServiceBuilder<St, C, Io, Codec> {
-    connect: C,
-    disconnect: Option<Rc<dyn Fn(&mut St, bool)>>,
-    _t: PhantomData<(St, Io, Codec)>,
-}
-
-impl<St, C, Io, Codec> NewServiceBuilder<St, C, Io, Codec>
-where
-    St: Clone,
-    Io: AsyncRead + AsyncWrite,
-    C: ServiceFactory<
-        Config = (),
-        Request = Connect<Io>,
-        Response = ConnectResult<Io, St, Codec>,
-    >,
-    C::Error: 'static,
-    C::Future: 'static,
-    Codec: Decoder + Encoder,
-    <Codec as Encoder>::Item: 'static,
-    <Codec as Encoder>::Error: std::fmt::Debug,
-{
-    /// Callback to execute on disconnect
-    ///
-    /// Second parameter indicates error occured during disconnect.
-    pub fn disconnect<F>(mut self, disconnect: F) -> Self
-    where
-        F: Fn(&mut St, bool) + 'static,
-    {
-        self.disconnect = Some(Rc::new(disconnect));
-        self
-    }
-
-    pub fn finish<F, T, Cfg>(self, service: F) -> FramedService<St, C, T, Io, Codec, Cfg>
-    where
-        F: IntoServiceFactory<T>,
-        T: ServiceFactory<
-                Config = St,
-                Request = RequestItem<St, Codec>,
-                Response = ResponseItem<Codec>,
-                Error = C::Error,
-                InitError = C::Error,
-            > + 'static,
+            Config = St,
+            Request = RequestItem<Codec>,
+            Response = ResponseItem<Codec>,
+            Error = C::Error,
+            InitError = C::Error,
+        >,
     {
         FramedService {
             connect: self.connect,
             handler: Rc::new(service.into_factory()),
-            disconnect: self.disconnect,
             _t: PhantomData,
         }
     }
 }
 
-pub struct FramedService<St, C, T, Io, Codec, Cfg> {
+pub struct FramedService<St, C, T, Io, Codec, Out, Cfg> {
     connect: C,
     handler: Rc<T>,
-    disconnect: Option<Rc<dyn Fn(&mut St, bool)>>,
-    _t: PhantomData<(St, Io, Codec, Cfg)>,
+    _t: PhantomData<(St, Io, Codec, Out, Cfg)>,
 }
 
-impl<St, C, T, Io, Codec, Cfg> ServiceFactory for FramedService<St, C, T, Io, Codec, Cfg>
+impl<St, C, T, Io, Codec, Out, Cfg> ServiceFactory
+    for FramedService<St, C, T, Io, Codec, Out, Cfg>
 where
-    St: Clone + 'static,
     Io: AsyncRead + AsyncWrite,
     C: ServiceFactory<
         Config = (),
-        Request = Connect<Io>,
-        Response = ConnectResult<Io, St, Codec>,
+        Request = Connect<Io, Codec>,
+        Response = ConnectResult<Io, St, Codec, Out>,
     >,
-    C::Error: 'static,
-    C::Future: 'static,
     T: ServiceFactory<
-            Config = St,
-            Request = RequestItem<St, Codec>,
-            Response = ResponseItem<Codec>,
-            Error = C::Error,
-            InitError = C::Error,
-        > + 'static,
+        Config = St,
+        Request = RequestItem<Codec>,
+        Response = ResponseItem<Codec>,
+        Error = C::Error,
+        InitError = C::Error,
+    >,
+    <T::Service as Service>::Error: 'static,
     <T::Service as Service>::Future: 'static,
     Codec: Decoder + Encoder,
     <Codec as Encoder>::Item: 'static,
     <Codec as Encoder>::Error: std::fmt::Debug,
+    Out: Stream<Item = <Codec as Encoder>::Item> + Unpin,
 {
     type Config = Cfg;
     type Request = Io;
     type Response = ();
     type Error = ServiceError<C::Error, Codec>;
     type InitError = C::InitError;
-    type Service = FramedServiceImpl<St, C::Service, T, Io, Codec>;
-    type Future = LocalBoxFuture<'static, Result<Self::Service, Self::InitError>>;
+    type Service = FramedServiceImpl<St, C::Service, T, Io, Codec, Out>;
+    type Future = FramedServiceResponse<St, C, T, Io, Codec, Out>;
 
     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
-        self.connect
-            .new_service(())
-            .map(move |result| {
-                result.map(move |connect| FramedServiceImpl {
-                    connect,
-                    handler,
-                    disconnect,
-                    _t: PhantomData,
-                })
-            })
-            .boxed_local()
+        FramedServiceResponse {
+            fut: self.connect.new_service(()),
+            handler: self.handler.clone(),
+        }
     }
 }
 
-pub struct FramedServiceImpl<St, C, T, Io, Codec> {
-    connect: C,
-    handler: Rc<T>,
-    disconnect: Option<Rc<dyn Fn(&mut St, bool)>>,
-    _t: PhantomData<(St, Io, Codec)>,
-}
-
-impl<St, C, T, Io, Codec> Service for FramedServiceImpl<St, C, T, Io, Codec>
+#[pin_project::pin_project]
+pub struct FramedServiceResponse<St, C, T, Io, Codec, Out>
 where
-    St: Clone,
     Io: AsyncRead + AsyncWrite,
-    C: Service<Request = Connect<Io>, Response = ConnectResult<Io, St, Codec>>,
-    C::Error: 'static,
+    C: ServiceFactory<
+        Config = (),
+        Request = Connect<Io, Codec>,
+        Response = ConnectResult<Io, St, Codec, Out>,
+    >,
     T: ServiceFactory<
         Config = St,
-        Request = RequestItem<St, Codec>,
+        Request = RequestItem<Codec>,
         Response = ResponseItem<Codec>,
         Error = C::Error,
         InitError = C::Error,
     >,
+    <T::Service as Service>::Error: 'static,
     <T::Service as Service>::Future: 'static,
     Codec: Decoder + Encoder,
     <Codec as Encoder>::Item: 'static,
     <Codec as Encoder>::Error: std::fmt::Debug,
+    Out: Stream<Item = <Codec as Encoder>::Item> + Unpin,
+{
+    #[pin]
+    fut: C::Future,
+    handler: Rc<T>,
+}
+
+impl<St, C, T, Io, Codec, Out> Future for FramedServiceResponse<St, C, T, Io, Codec, Out>
+where
+    Io: AsyncRead + AsyncWrite,
+    C: ServiceFactory<
+        Config = (),
+        Request = Connect<Io, Codec>,
+        Response = ConnectResult<Io, St, Codec, Out>,
+    >,
+    T: ServiceFactory<
+        Config = St,
+        Request = RequestItem<Codec>,
+        Response = ResponseItem<Codec>,
+        Error = C::Error,
+        InitError = C::Error,
+    >,
+    <T::Service as Service>::Error: 'static,
+    <T::Service as Service>::Future: 'static,
+    Codec: Decoder + Encoder,
+    <Codec as Encoder>::Item: 'static,
+    <Codec as Encoder>::Error: std::fmt::Debug,
+    Out: Stream<Item = <Codec as Encoder>::Item> + Unpin,
+{
+    type Output = Result<FramedServiceImpl<St, C::Service, T, Io, Codec, Out>, C::InitError>;
+
+    fn poll(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
+        let this = self.project();
+        let connect = ready!(this.fut.poll(cx))?;
+
+        Poll::Ready(Ok(FramedServiceImpl {
+            connect,
+            handler: this.handler.clone(),
+            _t: PhantomData,
+        }))
+    }
+}
+
+pub struct FramedServiceImpl<St, C, T, Io, Codec, Out> {
+    connect: C,
+    handler: Rc<T>,
+    _t: PhantomData<(St, Io, Codec, Out)>,
+}
+
+impl<St, C, T, Io, Codec, Out> Service for FramedServiceImpl<St, C, T, Io, Codec, Out>
+where
+    Io: AsyncRead + AsyncWrite,
+    C: Service<Request = Connect<Io, Codec>, Response = ConnectResult<Io, St, Codec, Out>>,
+    T: ServiceFactory<
+        Config = St,
+        Request = RequestItem<Codec>,
+        Response = ResponseItem<Codec>,
+        Error = C::Error,
+        InitError = C::Error,
+    >,
+    <T::Service as Service>::Error: 'static,
+    <T::Service as Service>::Future: 'static,
+    Codec: Decoder + Encoder,
+    <Codec as Encoder>::Item: 'static,
+    <Codec as Encoder>::Error: std::fmt::Debug,
+    Out: Stream<Item = <Codec as Encoder>::Item> + Unpin,
 {
     type Request = Io;
     type Response = ();
     type Error = ServiceError<C::Error, Codec>;
-    type Future = FramedServiceImplResponse<St, Io, Codec, C, T>;
+    type Future = FramedServiceImplResponse<St, Io, Codec, Out, C, T>;
 
     fn poll_ready(&mut self, cx: &mut Context<'_>) -> Poll<Result<(), Self::Error>> {
         self.connect.poll_ready(cx).map_err(|e| e.into())
@@ -266,52 +273,51 @@ where
             inner: FramedServiceImplResponseInner::Connect(
                 self.connect.call(Connect::new(req)),
                 self.handler.clone(),
-                self.disconnect.clone(),
             ),
         }
     }
 }
 
 #[pin_project::pin_project]
-pub struct FramedServiceImplResponse<St, Io, Codec, C, T>
+pub struct FramedServiceImplResponse<St, Io, Codec, Out, C, T>
 where
-    St: Clone,
-    C: Service<Request = Connect<Io>, Response = ConnectResult<Io, St, Codec>>,
-    C::Error: 'static,
+    C: Service<Request = Connect<Io, Codec>, Response = ConnectResult<Io, St, Codec, Out>>,
     T: ServiceFactory<
         Config = St,
-        Request = RequestItem<St, Codec>,
+        Request = RequestItem<Codec>,
         Response = ResponseItem<Codec>,
         Error = C::Error,
         InitError = C::Error,
     >,
+    <T::Service as Service>::Error: 'static,
     <T::Service as Service>::Future: 'static,
     Io: AsyncRead + AsyncWrite,
     Codec: Encoder + Decoder,
     <Codec as Encoder>::Item: 'static,
     <Codec as Encoder>::Error: std::fmt::Debug,
+    Out: Stream<Item = <Codec as Encoder>::Item> + Unpin,
 {
     #[pin]
-    inner: FramedServiceImplResponseInner<St, Io, Codec, C, T>,
+    inner: FramedServiceImplResponseInner<St, Io, Codec, Out, C, T>,
 }
 
-impl<St, Io, Codec, C, T> Future for FramedServiceImplResponse<St, Io, Codec, C, T>
+impl<St, Io, Codec, Out, C, T> Future for FramedServiceImplResponse<St, Io, Codec, Out, C, T>
 where
-    St: Clone,
-    C: Service<Request = Connect<Io>, Response = ConnectResult<Io, St, Codec>>,
-    C::Error: 'static,
+    C: Service<Request = Connect<Io, Codec>, Response = ConnectResult<Io, St, Codec, Out>>,
     T: ServiceFactory<
         Config = St,
-        Request = RequestItem<St, Codec>,
+        Request = RequestItem<Codec>,
         Response = ResponseItem<Codec>,
         Error = C::Error,
         InitError = C::Error,
     >,
+    <T::Service as Service>::Error: 'static,
     <T::Service as Service>::Future: 'static,
     Io: AsyncRead + AsyncWrite,
     Codec: Encoder + Decoder,
     <Codec as Encoder>::Item: 'static,
     <Codec as Encoder>::Error: std::fmt::Debug,
+    Out: Stream<Item = <Codec as Encoder>::Item> + Unpin,
 {
     type Output = Result<(), ServiceError<C::Error, Codec>>;
 
@@ -331,92 +337,77 @@ where
 }
 
 #[pin_project::pin_project]
-enum FramedServiceImplResponseInner<St, Io, Codec, C, T>
+enum FramedServiceImplResponseInner<St, Io, Codec, Out, C, T>
 where
-    St: Clone,
-    C: Service<Request = Connect<Io>, Response = ConnectResult<Io, St, Codec>>,
-    C::Error: 'static,
+    C: Service<Request = Connect<Io, Codec>, Response = ConnectResult<Io, St, Codec, Out>>,
     T: ServiceFactory<
         Config = St,
-        Request = RequestItem<St, Codec>,
+        Request = RequestItem<Codec>,
         Response = ResponseItem<Codec>,
         Error = C::Error,
         InitError = C::Error,
     >,
+    <T::Service as Service>::Error: 'static,
     <T::Service as Service>::Future: 'static,
     Io: AsyncRead + AsyncWrite,
     Codec: Encoder + Decoder,
     <Codec as Encoder>::Item: 'static,
     <Codec as Encoder>::Error: std::fmt::Debug,
+    Out: Stream<Item = <Codec as Encoder>::Item> + Unpin,
 {
-    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(#[pin] FramedDispatcher<St, T::Service, Io, Codec>),
+    Connect(#[pin] C::Future, Rc<T>),
+    Handler(#[pin] T::Future, Option<Framed<Io, Codec>>, Option<Out>),
+    Dispatcher(Dispatcher<T::Service, Io, Codec, Out>),
 }
 
-impl<St, Io, Codec, C, T> FramedServiceImplResponseInner<St, Io, Codec, C, T>
+impl<St, Io, Codec, Out, C, T> FramedServiceImplResponseInner<St, Io, Codec, Out, C, T>
 where
-    St: Clone,
-    C: Service<Request = Connect<Io>, Response = ConnectResult<Io, St, Codec>>,
-    C::Error: 'static,
+    C: Service<Request = Connect<Io, Codec>, Response = ConnectResult<Io, St, Codec, Out>>,
     T: ServiceFactory<
         Config = St,
-        Request = RequestItem<St, Codec>,
+        Request = RequestItem<Codec>,
         Response = ResponseItem<Codec>,
         Error = C::Error,
         InitError = C::Error,
     >,
+    <T::Service as Service>::Error: 'static,
     <T::Service as Service>::Future: 'static,
     Io: AsyncRead + AsyncWrite,
     Codec: Encoder + Decoder,
     <Codec as Encoder>::Item: 'static,
     <Codec as Encoder>::Error: std::fmt::Debug,
+    Out: Stream<Item = <Codec as Encoder>::Item> + Unpin,
 {
     #[project]
     fn poll(
         self: Pin<&mut Self>,
         cx: &mut Context<'_>,
     ) -> Either<
-        FramedServiceImplResponseInner<St, Io, Codec, C, T>,
+        FramedServiceImplResponseInner<St, Io, Codec, Out, C, T>,
         Poll<Result<(), ServiceError<C::Error, Codec>>>,
     > {
         #[project]
         match self.project() {
-            FramedServiceImplResponseInner::Connect(fut, handler, disconnect) => {
+            FramedServiceImplResponseInner::Connect(fut, handler) => match fut.poll(cx) {
+                Poll::Ready(Ok(res)) => Either::Left(FramedServiceImplResponseInner::Handler(
+                    handler.new_service(res.state),
+                    Some(res.framed),
+                    res.out,
+                )),
+                Poll::Pending => Either::Right(Poll::Pending),
+                Poll::Ready(Err(e)) => Either::Right(Poll::Ready(Err(e.into()))),
+            },
+            FramedServiceImplResponseInner::Handler(fut, framed, out) => {
                 match fut.poll(cx) {
-                    Poll::Ready(Ok(res)) => {
-                        Either::Left(FramedServiceImplResponseInner::Handler(
-                            handler.new_service(res.state.clone()),
-                            Some(res),
-                            disconnect.take(),
+                    Poll::Ready(Ok(handler)) => {
+                        Either::Left(FramedServiceImplResponseInner::Dispatcher(
+                            Dispatcher::new(framed.take().unwrap(), handler, out.take()),
                         ))
                     }
                     Poll::Pending => Either::Right(Poll::Pending),
                     Poll::Ready(Err(e)) => Either::Right(Poll::Ready(Err(e.into()))),
                 }
             }
-            FramedServiceImplResponseInner::Handler(fut, res, disconnect) => match fut.poll(cx)
-            {
-                Poll::Ready(Ok(handler)) => {
-                    let res = res.take().unwrap();
-                    Either::Left(FramedServiceImplResponseInner::Dispatcher(
-                        FramedDispatcher::new(
-                            res.framed,
-                            res.state,
-                            handler,
-                            res.rx,
-                            res.sink,
-                            disconnect.take(),
-                        ),
-                    ))
-                }
-                Poll::Pending => Either::Right(Poll::Pending),
-                Poll::Ready(Err(e)) => Either::Right(Poll::Ready(Err(e.into()))),
-            },
             FramedServiceImplResponseInner::Dispatcher(ref mut fut) => {
                 Either::Right(fut.poll(cx))
             }

actix-ioframe/src/sink.rs

@@ -1,44 +0,0 @@
-use std::fmt;
-
-use actix_utils::{mpsc, oneshot};
-use futures::future::{Future, FutureExt};
-
-use crate::dispatcher::FramedMessage;
-
-pub struct Sink<T>(mpsc::Sender<FramedMessage<T>>);
-
-impl<T> Clone for Sink<T> {
-    fn clone(&self) -> Self {
-        Sink(self.0.clone())
-    }
-}
-
-impl<T> Sink<T> {
-    pub(crate) fn new(tx: mpsc::Sender<FramedMessage<T>>) -> Self {
-        Sink(tx)
-    }
-
-    /// Close connection
-    pub fn close(&self) {
-        let _ = self.0.send(FramedMessage::Close);
-    }
-
-    /// Close connection
-    pub fn wait_close(&self) -> impl Future<Output = ()> {
-        let (tx, rx) = oneshot::channel();
-        let _ = self.0.send(FramedMessage::WaitClose(tx));
-
-        rx.map(|_| ())
-    }
-
-    /// Send item
-    pub fn send(&self, item: T) {
-        let _ = self.0.send(FramedMessage::Message(item));
-    }
-}
-
-impl<T> fmt::Debug for Sink<T> {
-    fn fmt(&self, fmt: &mut fmt::Formatter<'_>) -> fmt::Result {
-        fmt.debug_struct("Sink").finish()
-    }
-}

actix-ioframe/tests/test_server.rs

@@ -1,43 +1,49 @@
-use std::sync::atomic::{AtomicBool, Ordering};
-use std::sync::Arc;
-use std::time::Duration;
+use std::cell::Cell;
+use std::rc::Rc;
 
 use actix_codec::BytesCodec;
-use actix_rt::time::delay_for;
-use actix_service::{service_fn, Service};
+use actix_service::{fn_factory_with_config, fn_service, IntoService, Service};
 use actix_testing::TestServer;
+use actix_utils::mpsc;
+use bytes::{Bytes, BytesMut};
 use futures::future::ok;
 
-use actix_ioframe::{Builder, Connect};
+use actix_ioframe::{Builder, Connect, FactoryBuilder};
 
 #[derive(Clone)]
-struct State;
+struct State(Option<mpsc::Sender<Bytes>>);
 
 #[actix_rt::test]
-async fn test_disconnect() -> std::io::Result<()> {
-    let disconnect = Arc::new(AtomicBool::new(false));
-    let disconnect1 = disconnect.clone();
+async fn test_basic() {
+    let client_item = Rc::new(Cell::new(false));
 
     let srv = TestServer::with(move || {
-        let disconnect1 = disconnect1.clone();
-
-        Builder::new()
-            .factory(service_fn(|conn: Connect<_>| {
-                ok(conn.codec(BytesCodec).state(State))
-            }))
-            .disconnect(move |_, _| {
-                disconnect1.store(true, Ordering::Relaxed);
-            })
-            .finish(service_fn(|_t| ok(None)))
+        FactoryBuilder::new(fn_service(|conn: Connect<_, _>| {
+            ok(conn.codec(BytesCodec).state(State(None)))
+        }))
+        // echo
+        .build(fn_service(|t: BytesMut| ok(Some(t.freeze()))))
     });
 
-    let mut client = Builder::new()
-        .service(|conn: Connect<_>| {
-            let conn = conn.codec(BytesCodec).state(State);
-            conn.sink().close();
-            ok(conn)
+    let item = client_item.clone();
+    let mut client = Builder::new(fn_service(move |conn: Connect<_, _>| {
+        async move {
+            let (tx, rx) = mpsc::channel();
+            let _ = tx.send(Bytes::from_static(b"Hello"));
+            Ok(conn.codec(BytesCodec).out(rx).state(State(Some(tx))))
+        }
+    }))
+    .build(fn_factory_with_config(move |mut cfg: State| {
+        let item = item.clone();
+        ok((move |t: BytesMut| {
+            assert_eq!(t.freeze(), Bytes::from_static(b"Hello"));
+            item.set(true);
+            // drop Sender, which will close connection
+            cfg.0.take();
+            ok::<_, ()>(None)
         })
-        .finish(service_fn(|_t| ok(None)));
+        .into_service())
+    }));
 
     let conn = actix_connect::default_connector()
         .call(actix_connect::Connect::with(String::new(), srv.addr()))
@@ -45,8 +51,5 @@ async fn test_disconnect() -> std::io::Result<()> {
         .unwrap();
 
     client.call(conn.into_parts().0).await.unwrap();
-    let _ = delay_for(Duration::from_millis(100)).await;
-    assert!(disconnect.load(Ordering::Relaxed));
-
-    Ok(())
+    assert!(client_item.get());
 }

actix-macros/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "actix-macros"
-version = "0.1.0-alpha.1"
+version = "0.1.1"
 authors = ["Nikolay Kim <fafhrd91@gmail.com>"]
 description = "Actix runtime macros"
 repository = "https://github.com/actix/actix-net"
@@ -18,4 +18,4 @@ quote = "^1"
 syn = { version = "^1", features = ["full"] }
 
 [dev-dependencies]
-actix-rt = { version = "1.0.0-alpha.1" }
+actix-rt = { version = "1.0.0" }

actix-macros/LICENSE-APACHE

@@ -0,0 +1 @@
+../LICENSE-APACHE

actix-macros/LICENSE-MIT

@@ -0,0 +1 @@
+../LICENSE-MIT

actix-macros/src/lib.rs

@@ -14,28 +14,30 @@ use quote::quote;
 ///     println!("Hello world");
 /// }
 /// ```
+#[allow(clippy::needless_doctest_main)]
 #[proc_macro_attribute]
 #[cfg(not(test))] // Work around for rust-lang/rust#62127
 pub fn main(_: TokenStream, item: TokenStream) -> TokenStream {
-    let input = syn::parse_macro_input!(item as syn::ItemFn);
-
-    let ret = &input.sig.output;
-    let name = &input.sig.ident;
-    let inputs = &input.sig.inputs;
-    let body = &input.block;
+    let mut input = syn::parse_macro_input!(item as syn::ItemFn);
     let attrs = &input.attrs;
+    let vis = &input.vis;
+    let sig = &mut input.sig;
+    let body = &input.block;
+    let name = &sig.ident;
 
-    if input.sig.asyncness.is_none() {
-        return syn::Error::new_spanned(input.sig.fn_token, "only async fn is supported")
+    if sig.asyncness.is_none() {
+        return syn::Error::new_spanned(sig.fn_token, "only async fn is supported")
             .to_compile_error()
             .into();
     }
 
+    sig.asyncness = None;
+
     (quote! {
         #(#attrs)*
-        fn #name(#inputs) #ret {
-            actix_rt::System::new("main")
-                .block_on(async { #body })
+        #vis #sig {
+            actix_rt::System::new(stringify!(#name))
+                .block_on(async move { #body })
         }
     })
     .into()
@@ -70,7 +72,7 @@ pub fn test(_: TokenStream, item: TokenStream) -> TokenStream {
     if input.sig.asyncness.is_none() {
         return syn::Error::new_spanned(
             input.sig.fn_token,
-            format!("only async fn is supported, {:?}", input.sig.ident),
+            format!("only async fn is supported, {}", input.sig.ident),
         )
         .to_compile_error()
         .into();

actix-rt/CHANGES.md

@@ -1,5 +1,13 @@
 # Changes
 
+## [TBD] - [TBD]
+
+- Expose `System::is_set` to check if current system is running
+
+## [1.0.0] - 2019-12-11
+
+* Update dependencies
+
 ## [1.0.0-alpha.3] - 2019-12-07
 
 ### Fixed

actix-rt/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "actix-rt"
-version = "1.0.0-alpha.3"
+version = "1.0.0"
 authors = ["Nikolay Kim <fafhrd91@gmail.com>"]
 description = "Actix runtime"
 keywords = ["network", "framework", "async", "futures"]
@@ -9,17 +9,15 @@ repository = "https://github.com/actix/actix-net.git"
 documentation = "https://docs.rs/actix-rt/"
 categories = ["network-programming", "asynchronous"]
 license = "MIT/Apache-2.0"
-exclude = [".gitignore", ".travis.yml", ".cargo/config", "appveyor.yml"]
 edition = "2018"
-workspace = ".."
 
 [lib]
 name = "actix_rt"
 path = "src/lib.rs"
 
 [dependencies]
-actix-macros = "0.1.0-alpha.1"
+actix-macros = "0.1.0"
 actix-threadpool = "0.3"
 futures = "0.3.1"
 copyless = "0.1.4"
-tokio = { version = "0.2.4", default-features=false, features = ["rt-core", "rt-util", "io-driver", "tcp", "uds", "udp", "time", "signal", "stream"] }
+tokio = { version = "0.2.6", default-features=false, features = ["rt-core", "rt-util", "io-driver", "tcp", "uds", "udp", "time", "signal", "stream"] }

actix-rt/src/arbiter.rs

@@ -42,8 +42,8 @@ impl fmt::Debug for ArbiterCommand {
 
 #[derive(Debug)]
 /// Arbiters provide an asynchronous execution environment for actors, functions
-/// and futures. When an Arbiter is created, they spawn a new OS thread, and
-/// host an event loop. Some Arbiter functions execute on the current thread.
+/// and futures. When an Arbiter is created, it spawns a new OS thread, and
+/// hosts an event loop. Some Arbiter functions execute on the current thread.
 pub struct Arbiter {
     sender: UnboundedSender<ArbiterCommand>,
     thread_handle: Option<thread::JoinHandle<()>>,

actix-rt/src/runtime.rs

@@ -86,7 +86,6 @@ impl Runtime {
     where
         F: Future + 'static,
     {
-        let res = self.local.block_on(&mut self.rt, f);
-        res
+        self.local.block_on(&mut self.rt, f)
     }
 }

actix-rt/src/system.rs

@@ -79,8 +79,8 @@ impl System {
         })
     }
 
-    /// Set current running system.
-    pub(crate) fn is_set() -> bool {
+    /// Check if current system is running.
+    pub fn is_set() -> bool {
         CURRENT.with(|cell| cell.borrow().is_some())
     }
 

actix-server/CHANGES.md

@@ -1,5 +1,24 @@
 # Changes
 
+## [1.0.1] - 2019-12-29
+
+### Changed
+
+* Rename `.start()` method to `.run()`
+
+## [1.0.0] - 2019-12-11
+
+### Changed
+
+* Use actix-net releases
+
+
+## [1.0.0-alpha.4] - 2019-12-08
+
+### Changed
+
+* Use actix-service 1.0.0-alpha.4
+
 ## [1.0.0-alpha.3] - 2019-12-07
 
 ### Changed

actix-server/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "actix-server"
-version = "1.0.0-alpha.3"
+version = "1.0.1"
 authors = ["Nikolay Kim <fafhrd91@gmail.com>"]
 description = "Actix server - General purpose tcp server"
 keywords = ["network", "framework", "async", "futures"]
@@ -21,13 +21,13 @@ path = "src/lib.rs"
 default = []
 
 [dependencies]
-actix-service = "1.0.0-alpha.3"
-actix-rt = "1.0.0-alpha.3"
-actix-codec = "0.2.0-alpha.3"
-actix-utils = "1.0.0-alpha.3"
+actix-service = "1.0.1"
+actix-rt = "1.0.0"
+actix-codec = "0.2.0"
+actix-utils = "1.0.4"
 
 log = "0.4"
-num_cpus = "1.0"
+num_cpus = "1.11"
 mio = "0.6.19"
 net2 = "0.2"
 futures = "0.3.1"
@@ -38,5 +38,5 @@ mio-uds = { version = "0.6.7" }
 
 [dev-dependencies]
 bytes = "0.5"
-env_logger = "0.6"
-actix-testing = "1.0.0-alpha.3"
+env_logger = "0.7"
+actix-testing = "1.0.0"

actix-server/src/builder.rs

@@ -13,7 +13,6 @@ use futures::stream::FuturesUnordered;
 use futures::{ready, Future, FutureExt, Stream, StreamExt};
 use log::{error, info};
 use net2::TcpBuilder;
-use num_cpus;
 
 use crate::accept::{AcceptLoop, AcceptNotify, Command};
 use crate::config::{ConfiguredService, ServiceConfig};
@@ -31,7 +30,7 @@ pub struct ServerBuilder {
     backlog: i32,
     workers: Vec<(usize, WorkerClient)>,
     services: Vec<Box<dyn InternalServiceFactory>>,
-    sockets: Vec<(Token, StdListener)>,
+    sockets: Vec<(Token, String, StdListener)>,
     accept: AcceptLoop,
     exit: bool,
     shutdown_timeout: Duration,
@@ -146,8 +145,8 @@ impl ServerBuilder {
             let mut srv = ConfiguredService::new(apply);
             for (name, lst) in cfg.services {
                 let token = self.token.next();
-                srv.stream(token, name, lst.local_addr()?);
-                self.sockets.push((token, StdListener::Tcp(lst)));
+                srv.stream(token, name.clone(), lst.local_addr()?);
+                self.sockets.push((token, name, StdListener::Tcp(lst)));
             }
             self.services.push(Box::new(srv));
         }
@@ -172,7 +171,8 @@ impl ServerBuilder {
                 factory.clone(),
                 lst.local_addr()?,
             ));
-            self.sockets.push((token, StdListener::Tcp(lst)));
+            self.sockets
+                .push((token, name.as_ref().to_string(), StdListener::Tcp(lst)));
         }
         Ok(self)
     }
@@ -219,10 +219,11 @@ impl ServerBuilder {
         self.services.push(StreamNewService::create(
             name.as_ref().to_string(),
             token,
-            factory.clone(),
+            factory,
             addr,
         ));
-        self.sockets.push((token, StdListener::Uds(lst)));
+        self.sockets
+            .push((token, name.as_ref().to_string(), StdListener::Uds(lst)));
         Ok(self)
     }
 
@@ -243,55 +244,44 @@ impl ServerBuilder {
             factory,
             lst.local_addr()?,
         ));
-        self.sockets.push((token, StdListener::Tcp(lst)));
+        self.sockets
+            .push((token, name.as_ref().to_string(), StdListener::Tcp(lst)));
         Ok(self)
     }
 
-    /// Spawn new thread and start listening for incoming connections.
-    ///
-    /// This method spawns new thread and starts new actix system. Other than
-    /// that it is similar to `start()` method. This method blocks.
-    ///
-    /// This methods panics if no socket addresses get bound.
-    ///
-    /// ```rust,ignore
-    /// use actix_web::*;
-    ///
-    /// fn main() -> std::io::Result<()> {
-    ///     Server::new().
-    ///         .service(
-    ///            HttpServer::new(|| App::new().service(web::service("/").to(|| HttpResponse::Ok())))
-    ///                .bind("127.0.0.1:0")
-    ///         .run()
-    /// }
-    /// ```
-    pub fn run(self) -> io::Result<()> {
-        let sys = System::new("http-server");
-        self.start();
-        sys.run()
+    #[doc(hidden)]
+    pub fn start(self) -> Server {
+        self.run()
     }
 
     /// Starts processing incoming connections and return server controller.
-    pub fn start(mut self) -> Server {
+    pub fn run(mut self) -> Server {
         if self.sockets.is_empty() {
             panic!("Server should have at least one bound socket");
         } else {
             info!("Starting {} workers", self.threads);
 
             // start workers
-            let mut workers = Vec::new();
-            for idx in 0..self.threads {
-                let worker = self.start_worker(idx, self.accept.get_notify());
-                workers.push(worker.clone());
-                self.workers.push((idx, worker));
-            }
+            let workers = (0..self.threads)
+                .map(|idx| {
+                    let worker = self.start_worker(idx, self.accept.get_notify());
+                    self.workers.push((idx, worker.clone()));
+
+                    worker
+                })
+                .collect();
 
             // start accept thread
             for sock in &self.sockets {
-                info!("Starting server on {}", sock.1);
+                info!("Starting \"{}\" service on {}", sock.1, sock.2);
             }
-            self.accept
-                .start(mem::replace(&mut self.sockets, Vec::new()), workers);
+            self.accept.start(
+                mem::replace(&mut self.sockets, Vec::new())
+                    .into_iter()
+                    .map(|t| (t.0, t.2))
+                    .collect(),
+                workers,
+            );
 
             // handle signals
             if !self.no_signals {

actix-server/src/config.rs

@@ -91,7 +91,7 @@ impl ConfiguredService {
 
     pub(super) fn stream(&mut self, token: Token, name: String, addr: net::SocketAddr) {
         self.names.insert(token, (name.clone(), addr));
-        self.topics.insert(name.clone(), token);
+        self.topics.insert(name, token);
         self.services.push(token);
     }
 }
@@ -142,7 +142,7 @@ impl InternalServiceFactory for ConfiguredService {
                     let name = names.remove(&token).unwrap().0;
                     res.push((
                         token,
-                        Box::new(StreamService::new(actix::service_fn2(
+                        Box::new(StreamService::new(actix::fn_service(
                             move |_: TcpStream| {
                                 error!("Service {:?} is not configured", name);
                                 ok::<_, ()>(())
@@ -153,7 +153,7 @@ impl InternalServiceFactory for ConfiguredService {
             }
             return Ok(res);
         }
-            .boxed_local()
+        .boxed_local()
     }
 }
 
@@ -280,6 +280,6 @@ where
                 }
             };
         }
-            .boxed_local()
+        .boxed_local()
     }
 }

actix-server/src/worker.rs

@@ -217,7 +217,7 @@ impl Worker {
                     wrk.await
                 });
             }
-                .boxed(),
+            .boxed(),
         );
 
         WorkerClient::new(idx, tx1, tx2, avail)
@@ -315,6 +315,8 @@ enum WorkerState {
 impl Future for Worker {
     type Output = ();
 
+    // FIXME: remove this attribute
+    #[allow(clippy::never_loop)]
     fn poll(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
         // `StopWorker` message handler
         if let Poll::Ready(Some(StopCommand { graceful, result })) =
@@ -368,11 +370,8 @@ impl Future for Worker {
                     Ok(false) => {
                         // push connection back to queue
                         if let Some(conn) = conn {
-                            match self.state {
-                                WorkerState::Unavailable(ref mut conns) => {
-                                    conns.push(conn);
-                                }
-                                _ => (),
+                            if let WorkerState::Unavailable(ref mut conns) = self.state {
+                                conns.push(conn);
                             }
                         }
                         Poll::Pending

actix-server/tests/test_server.rs

@@ -1,15 +1,10 @@
-use std::io::Read;
 use std::sync::atomic::{AtomicUsize, Ordering::Relaxed};
 use std::sync::{mpsc, Arc};
 use std::{net, thread, time};
 
-use actix_codec::{BytesCodec, Framed};
-use actix_rt::net::TcpStream;
 use actix_server::Server;
-use actix_service::service_fn;
-use bytes::Bytes;
+use actix_service::fn_service;
 use futures::future::{lazy, ok};
-use futures::SinkExt;
 use net2::TcpBuilder;
 
 fn unused_addr() -> net::SocketAddr {
@@ -31,7 +26,7 @@ fn test_bind() {
         let srv = Server::build()
             .workers(1)
             .disable_signals()
-            .bind("test", addr, move || service_fn(|_| ok::<_, ()>(())))
+            .bind("test", addr, move || fn_service(|_| ok::<_, ()>(())))
             .unwrap()
             .start();
         let _ = tx.send((srv, actix_rt::System::current()));
@@ -41,7 +36,7 @@ fn test_bind() {
 
     thread::sleep(time::Duration::from_millis(500));
     assert!(net::TcpStream::connect(addr).is_ok());
-    let _ = sys.stop();
+    sys.stop();
     let _ = h.join();
 }
 
@@ -56,7 +51,7 @@ fn test_listen() {
         Server::build()
             .disable_signals()
             .workers(1)
-            .listen("test", lst, move || service_fn(|_| ok::<_, ()>(())))
+            .listen("test", lst, move || fn_service(|_| ok::<_, ()>(())))
             .unwrap()
             .start();
         let _ = tx.send(actix_rt::System::current());
@@ -66,13 +61,19 @@ fn test_listen() {
 
     thread::sleep(time::Duration::from_millis(500));
     assert!(net::TcpStream::connect(addr).is_ok());
-    let _ = sys.stop();
+    sys.stop();
     let _ = h.join();
 }
 
 #[test]
 #[cfg(unix)]
 fn test_start() {
+    use actix_codec::{BytesCodec, Framed};
+    use actix_rt::net::TcpStream;
+    use bytes::Bytes;
+    use futures::SinkExt;
+    use std::io::Read;
+
     let addr = unused_addr();
     let (tx, rx) = mpsc::channel();
 
@@ -82,7 +83,7 @@ fn test_start() {
             .backlog(100)
             .disable_signals()
             .bind("test", addr, move || {
-                service_fn(|io: TcpStream| {
+                fn_service(|io: TcpStream| {
                     async move {
                         let mut f = Framed::new(io, BytesCodec);
                         f.send(Bytes::from_static(b"test")).await.unwrap();
@@ -130,7 +131,7 @@ fn test_start() {
     assert!(net::TcpStream::connect(addr).is_err());
 
     thread::sleep(time::Duration::from_millis(100));
-    let _ = sys.stop();
+    sys.stop();
     let _ = h.join();
 }
 
@@ -158,8 +159,8 @@ fn test_configure() {
                     .listen("addr3", lst)
                     .apply(move |rt| {
                         let num = num.clone();
-                        rt.service("addr1", service_fn(|_| ok::<_, ()>(())));
-                        rt.service("addr3", service_fn(|_| ok::<_, ()>(())));
+                        rt.service("addr1", fn_service(|_| ok::<_, ()>(())));
+                        rt.service("addr3", fn_service(|_| ok::<_, ()>(())));
                         rt.on_start(lazy(move |_| {
                             let _ = num.fetch_add(1, Relaxed);
                         }))
@@ -178,6 +179,6 @@ fn test_configure() {
     assert!(net::TcpStream::connect(addr2).is_ok());
     assert!(net::TcpStream::connect(addr3).is_ok());
     assert_eq!(num.load(Relaxed), 1);
-    let _ = sys.stop();
+    sys.stop();
     let _ = h.join();
 }

actix-service/CHANGES.md

@@ -1,5 +1,55 @@
 # Changes
 
+## [1.0.5] - 2020-01-16
+
+### Fixed
+
+* Fixed unsoundness in .and_then()/.then() service combinators
+
+## [1.0.4] - 2020-01-15
+
+### Fixed
+
+* Revert 1.0.3 change
+
+## [1.0.3] - 2020-01-15
+
+### Fixed
+
+* Fixed unsoundness in `AndThenService` impl
+
+## [1.0.2] - 2020-01-08
+
+### Added
+
+* Add `into_service` helper function
+
+
+## [1.0.1] - 2019-12-22
+
+### Changed
+
+* `map_config()` and `unit_config()` accepts `IntoServiceFactory` type
+
+
+## [1.0.0] - 2019-12-11
+
+### Added
+
+* Add Clone impl for Apply service
+
+
+## [1.0.0-alpha.4] - 2019-12-08
+
+### Changed
+
+* Renamed `service_fn` to `fn_service`
+
+* Renamed `factory_fn` to `fn_factory`
+
+* Renamed `factory_fn_cfg` to `fn_factory_with_config`
+
+
 ## [1.0.0-alpha.3] - 2019-12-06
 
 ### Changed

actix-service/Cargo.toml

@@ -1,22 +1,15 @@
 [package]
 name = "actix-service"
-version = "1.0.0-alpha.3"
+version = "1.0.5"
 authors = ["Nikolay Kim <fafhrd91@gmail.com>"]
-description = "Actix Service"
+description = "Actix service"
 keywords = ["network", "framework", "async", "futures"]
 homepage = "https://actix.rs"
 repository = "https://github.com/actix/actix-net.git"
 documentation = "https://docs.rs/actix-service/"
 categories = ["network-programming", "asynchronous"]
 license = "MIT/Apache-2.0"
-exclude = [".gitignore", ".travis.yml", ".cargo/config", "appveyor.yml"]
 edition = "2018"
-workspace = ".."
-
-[badges]
-travis-ci = { repository = "actix/actix-service", branch = "master" }
-appveyor = { repository = "actix/actix-net" }
-codecov = { repository = "actix/actix-service", branch = "master", service = "github" }
 
 [lib]
 name = "actix_service"
@@ -27,4 +20,4 @@ futures-util = "0.3.1"
 pin-project = "0.4.6"
 
 [dev-dependencies]
-actix-rt = "1.0.0-alpha.2"
+actix-rt = "1.0.0"

actix-service/src/and_then.rs

@@ -1,5 +1,6 @@
 use std::future::Future;
 use std::pin::Pin;
+use std::rc::Rc;
 use std::task::{Context, Poll};
 
 use super::{Service, ServiceFactory};
@@ -9,7 +10,7 @@ use crate::cell::Cell;
 /// of another service which completes successfully.
 ///
 /// This is created by the `ServiceExt::and_then` method.
-pub struct AndThenService<A, B>(Cell<(A, B)>);
+pub(crate) struct AndThenService<A, B>(Cell<(A, B)>);
 
 impl<A, B> AndThenService<A, B> {
     /// Create new `AndThen` combinator
@@ -40,7 +41,6 @@ where
 
     fn poll_ready(&mut self, cx: &mut Context<'_>) -> Poll<Result<(), Self::Error>> {
         let srv = self.0.get_mut();
-
         let not_ready = !srv.0.poll_ready(cx)?.is_ready();
         if !srv.1.poll_ready(cx)?.is_ready() || not_ready {
             Poll::Pending
@@ -57,7 +57,7 @@ where
 }
 
 #[pin_project::pin_project]
-pub struct AndThenServiceResponse<A, B>
+pub(crate) struct AndThenServiceResponse<A, B>
 where
     A: Service,
     B: Service<Request = A::Response, Error = A::Error>,
@@ -110,7 +110,7 @@ where
 }
 
 /// `.and_then()` service factory combinator
-pub struct AndThenServiceFactory<A, B>
+pub(crate) struct AndThenServiceFactory<A, B>
 where
     A: ServiceFactory,
     A::Config: Clone,
@@ -121,8 +121,7 @@ where
         InitError = A::InitError,
     >,
 {
-    a: A,
-    b: B,
+    inner: Rc<(A, B)>,
 }
 
 impl<A, B> AndThenServiceFactory<A, B>
@@ -138,7 +137,9 @@ where
 {
     /// Create new `AndThenFactory` combinator
     pub(crate) fn new(a: A, b: B) -> Self {
-        Self { a, b }
+        Self {
+            inner: Rc::new((a, b)),
+        }
     }
 }
 
@@ -163,34 +164,34 @@ where
     type Future = AndThenServiceFactoryResponse<A, B>;
 
     fn new_service(&self, cfg: A::Config) -> Self::Future {
+        let inner = &*self.inner;
         AndThenServiceFactoryResponse::new(
-            self.a.new_service(cfg.clone()),
-            self.b.new_service(cfg),
+            inner.0.new_service(cfg.clone()),
+            inner.1.new_service(cfg),
         )
     }
 }
 
 impl<A, B> Clone for AndThenServiceFactory<A, B>
 where
-    A: ServiceFactory + Clone,
+    A: ServiceFactory,
     A::Config: Clone,
     B: ServiceFactory<
-            Config = A::Config,
-            Request = A::Response,
-            Error = A::Error,
-            InitError = A::InitError,
-        > + Clone,
+        Config = A::Config,
+        Request = A::Response,
+        Error = A::Error,
+        InitError = A::InitError,
+    >,
 {
     fn clone(&self) -> Self {
         Self {
-            a: self.a.clone(),
-            b: self.b.clone(),
+            inner: self.inner.clone(),
         }
     }
 }
 
 #[pin_project::pin_project]
-pub struct AndThenServiceFactoryResponse<A, B>
+pub(crate) struct AndThenServiceFactoryResponse<A, B>
 where
     A: ServiceFactory,
     B: ServiceFactory<Request = A::Response>,
@@ -258,7 +259,7 @@ mod tests {
 
     use futures_util::future::{lazy, ok, ready, Ready};
 
-    use crate::{factory_fn, pipeline, pipeline_factory, Service, ServiceFactory};
+    use crate::{fn_factory, pipeline, pipeline_factory, Service, ServiceFactory};
 
     struct Srv1(Rc<Cell<usize>>);
 
@@ -312,7 +313,7 @@ mod tests {
         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(), (("srv1", "srv2")));
+        assert_eq!(res.unwrap(), ("srv1", "srv2"));
     }
 
     #[actix_rt::test]
@@ -320,7 +321,7 @@ mod tests {
         let cnt = Rc::new(Cell::new(0));
         let cnt2 = cnt.clone();
         let new_srv =
-            pipeline_factory(factory_fn(move || ready(Ok::<_, ()>(Srv1(cnt2.clone())))))
+            pipeline_factory(fn_factory(move || ready(Ok::<_, ()>(Srv1(cnt2.clone())))))
                 .and_then(move || ready(Ok(Srv2(cnt.clone()))));
 
         let mut srv = new_srv.new_service(()).await.unwrap();

actix-service/src/and_then_apply_fn.rs

@@ -1,13 +1,14 @@
 use std::future::Future;
 use std::marker::PhantomData;
 use std::pin::Pin;
+use std::rc::Rc;
 use std::task::{Context, Poll};
 
 use crate::cell::Cell;
 use crate::{Service, ServiceFactory};
 
 /// `Apply` service combinator
-pub struct AndThenApplyFn<A, B, F, Fut, Res, Err>
+pub(crate) struct AndThenApplyFn<A, B, F, Fut, Res, Err>
 where
     A: Service,
     B: Service,
@@ -15,8 +16,7 @@ where
     Fut: Future<Output = Result<Res, Err>>,
     Err: From<A::Error> + From<B::Error>,
 {
-    a: A,
-    b: Cell<(B, F)>,
+    srv: Cell<(A, B, F)>,
     r: PhantomData<(Fut, Res, Err)>,
 }
 
@@ -31,8 +31,7 @@ where
     /// Create new `Apply` combinator
     pub(crate) fn new(a: A, b: B, f: F) -> Self {
         Self {
-            a,
-            b: Cell::new((b, f)),
+            srv: Cell::new((a, b, f)),
             r: PhantomData,
         }
     }
@@ -40,7 +39,7 @@ where
 
 impl<A, B, F, Fut, Res, Err> Clone for AndThenApplyFn<A, B, F, Fut, Res, Err>
 where
-    A: Service + Clone,
+    A: Service,
     B: Service,
     F: FnMut(A::Response, &mut B) -> Fut,
     Fut: Future<Output = Result<Res, Err>>,
@@ -48,8 +47,7 @@ where
 {
     fn clone(&self) -> Self {
         AndThenApplyFn {
-            a: self.a.clone(),
-            b: self.b.clone(),
+            srv: self.srv.clone(),
             r: PhantomData,
         }
     }
@@ -69,8 +67,9 @@ where
     type Future = AndThenApplyFnFuture<A, B, F, Fut, Res, Err>;
 
     fn poll_ready(&mut self, cx: &mut Context<'_>) -> Poll<Result<(), Self::Error>> {
-        let not_ready = self.a.poll_ready(cx)?.is_pending();
-        if self.b.get_mut().0.poll_ready(cx)?.is_pending() || not_ready {
+        let inner = self.srv.get_mut();
+        let not_ready = inner.0.poll_ready(cx)?.is_pending();
+        if inner.1.poll_ready(cx)?.is_pending() || not_ready {
             Poll::Pending
         } else {
             Poll::Ready(Ok(()))
@@ -78,14 +77,15 @@ where
     }
 
     fn call(&mut self, req: A::Request) -> Self::Future {
+        let fut = self.srv.get_mut().0.call(req);
         AndThenApplyFnFuture {
-            state: State::A(self.a.call(req), Some(self.b.clone())),
+            state: State::A(fut, Some(self.srv.clone())),
         }
     }
 }
 
 #[pin_project::pin_project]
-pub struct AndThenApplyFnFuture<A, B, F, Fut, Res, Err>
+pub(crate) struct AndThenApplyFnFuture<A, B, F, Fut, Res, Err>
 where
     A: Service,
     B: Service,
@@ -108,7 +108,7 @@ where
     Err: From<A::Error>,
     Err: From<B::Error>,
 {
-    A(#[pin] A::Future, Option<Cell<(B, F)>>),
+    A(#[pin] A::Future, Option<Cell<(A, B, F)>>),
     B(#[pin] Fut),
     Empty,
 }
@@ -134,7 +134,7 @@ where
                     let mut b = b.take().unwrap();
                     this.state.set(State::Empty);
                     let b = b.get_mut();
-                    let fut = (&mut b.1)(res, &mut b.0);
+                    let fut = (&mut b.2)(res, &mut b.1);
                     this.state.set(State::B(fut));
                     self.poll(cx)
                 }
@@ -150,10 +150,8 @@ where
 }
 
 /// `AndThenApplyFn` service factory
-pub struct AndThenApplyFnFactory<A, B, F, Fut, Res, Err> {
-    a: A,
-    b: B,
-    f: F,
+pub(crate) struct AndThenApplyFnFactory<A, B, F, Fut, Res, Err> {
+    srv: Rc<(A, B, F)>,
     r: PhantomData<(Fut, Res, Err)>,
 }
 
@@ -168,25 +166,16 @@ where
     /// Create new `ApplyNewService` new service instance
     pub(crate) fn new(a: A, b: B, f: F) -> Self {
         Self {
-            a: a,
-            b: b,
-            f: f,
+            srv: Rc::new((a, b, f)),
             r: PhantomData,
         }
     }
 }
 
-impl<A, B, F, Fut, Res, Err> Clone for AndThenApplyFnFactory<A, B, F, Fut, Res, Err>
-where
-    A: Clone,
-    B: Clone,
-    F: Clone,
-{
+impl<A, B, F, Fut, Res, Err> Clone for AndThenApplyFnFactory<A, B, F, Fut, Res, Err> {
     fn clone(&self) -> Self {
         Self {
-            a: self.a.clone(),
-            b: self.b.clone(),
-            f: self.f.clone(),
+            srv: self.srv.clone(),
             r: PhantomData,
         }
     }
@@ -210,18 +199,19 @@ where
     type Future = AndThenApplyFnFactoryResponse<A, B, F, Fut, Res, Err>;
 
     fn new_service(&self, cfg: A::Config) -> Self::Future {
+        let srv = &*self.srv;
         AndThenApplyFnFactoryResponse {
             a: None,
             b: None,
-            f: self.f.clone(),
-            fut_a: self.a.new_service(cfg.clone()),
-            fut_b: self.b.new_service(cfg),
+            f: srv.2.clone(),
+            fut_a: srv.0.new_service(cfg.clone()),
+            fut_b: srv.1.new_service(cfg),
         }
     }
 }
 
 #[pin_project::pin_project]
-pub struct AndThenApplyFnFactoryResponse<A, B, F, Fut, Res, Err>
+pub(crate) struct AndThenApplyFnFactoryResponse<A, B, F, Fut, Res, Err>
 where
     A: ServiceFactory,
     B: ServiceFactory<Config = A::Config, InitError = A::InitError>,
@@ -267,8 +257,11 @@ where
 
         if this.a.is_some() && this.b.is_some() {
             Poll::Ready(Ok(AndThenApplyFn {
-                a: this.a.take().unwrap(),
-                b: Cell::new((this.b.take().unwrap(), this.f.clone())),
+                srv: Cell::new((
+                    this.a.take().unwrap(),
+                    this.b.take().unwrap(),
+                    this.f.clone(),
+                )),
                 r: PhantomData,
             }))
         } else {
@@ -283,7 +276,7 @@ mod tests {
 
     use futures_util::future::{lazy, ok, Ready, TryFutureExt};
 
-    use crate::{pipeline, pipeline_factory, service_fn2, Service, ServiceFactory};
+    use crate::{fn_service, pipeline, pipeline_factory, Service, ServiceFactory};
 
     #[derive(Clone)]
     struct Srv;
@@ -297,6 +290,7 @@ mod tests {
             Poll::Ready(Ok(()))
         }
 
+        #[allow(clippy::unit_arg)]
         fn call(&mut self, req: Self::Request) -> Self::Future {
             ok(req)
         }
@@ -304,7 +298,7 @@ mod tests {
 
     #[actix_rt::test]
     async fn test_service() {
-        let mut srv = pipeline(|r: &'static str| ok(r))
+        let mut srv = pipeline(ok)
             .and_then_apply_fn(Srv, |req: &'static str, s| {
                 s.call(()).map_ok(move |res| (req, res))
             });
@@ -318,7 +312,7 @@ mod tests {
 
     #[actix_rt::test]
     async fn test_service_factory() {
-        let new_srv = pipeline_factory(|| ok::<_, ()>(service_fn2(|r: &'static str| ok(r))))
+        let new_srv = pipeline_factory(|| ok::<_, ()>(fn_service(ok)))
             .and_then_apply_fn(
                 || ok(Srv),
                 |req: &'static str, s| s.call(()).map_ok(move |res| (req, res)),

actix-service/src/apply.rs

@@ -5,7 +5,7 @@ use std::task::{Context, Poll};
 
 use super::{IntoService, IntoServiceFactory, Service, ServiceFactory};
 
-/// Apply tranform function to a service
+/// Apply tranform function to a service.
 pub fn apply_fn<T, F, R, In, Out, Err, U>(service: U, f: F) -> Apply<T, F, R, In, Out, Err>
 where
     T: Service<Error = Err>,
@@ -16,7 +16,7 @@ where
     Apply::new(service.into_service(), f)
 }
 
-/// Create factory for `apply` service.
+/// Service factory that prodices `apply_fn` service.
 pub fn apply_fn_factory<T, F, R, In, Out, Err, U>(
     service: U,
     f: F,
@@ -56,6 +56,21 @@ where
     }
 }
 
+impl<T, F, R, In, Out, Err> Clone for Apply<T, F, R, In, Out, Err>
+where
+    T: Service<Error = Err> + Clone,
+    F: FnMut(In, &mut T) -> R + Clone,
+    R: Future<Output = Result<Out, Err>>,
+{
+    fn clone(&self) -> Self {
+        Apply {
+            service: self.service.clone(),
+            f: self.f.clone(),
+            r: PhantomData,
+        }
+    }
+}
+
 impl<T, F, R, In, Out, Err> Service for Apply<T, F, R, In, Out, Err>
 where
     T: Service<Error = Err>,
@@ -218,8 +233,8 @@ mod tests {
         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))
+                fut.await.unwrap();
+                Ok((req, ()))
             }
         }));
 
@@ -227,7 +242,7 @@ mod tests {
 
         let res = srv.call("srv").await;
         assert!(res.is_ok());
-        assert_eq!(res.unwrap(), (("srv", ())));
+        assert_eq!(res.unwrap(), ("srv", ()));
     }
 
     #[actix_rt::test]
@@ -237,8 +252,8 @@ mod tests {
             |req: &'static str, srv| {
                 let fut = srv.call(());
                 async move {
-                    let res = fut.await.unwrap();
-                    Ok((req, res))
+                    fut.await.unwrap();
+                    Ok((req, ()))
                 }
             },
         ));
@@ -249,6 +264,6 @@ mod tests {
 
         let res = srv.call("srv").await;
         assert!(res.is_ok());
-        assert_eq!(res.unwrap(), (("srv", ())));
+        assert_eq!(res.unwrap(), ("srv", ()));
     }
 }

actix-service/src/apply_cfg.rs

@@ -6,8 +6,19 @@ use std::task::{Context, Poll};
 use crate::cell::Cell;
 use crate::{Service, ServiceFactory};
 
-/// Convert `Fn(&Config, &mut Service) -> Future<Service>` fn to a NewService
-pub fn apply_cfg<F, C, T, R, S, E>(srv: T, f: F) -> ApplyConfigService<F, C, T, R, S, E>
+/// Convert `Fn(Config, &mut Service1) -> Future<Service2>` fn to a service factory
+pub fn apply_cfg<F, C, T, R, S, E>(
+    srv: T,
+    f: F,
+) -> impl ServiceFactory<
+    Config = C,
+    Request = S::Request,
+    Response = S::Response,
+    Error = S::Error,
+    Service = S,
+    InitError = E,
+    Future = R,
+> + Clone
 where
     F: FnMut(C, &mut T) -> R,
     T: Service,
@@ -20,12 +31,20 @@ where
     }
 }
 
-/// Convert `Fn(&Config, &mut Service) -> Future<Service>` fn to a NewService
-/// Service get constructor from NewService.
+/// Convert `Fn(Config, &mut Service1) -> Future<Service2>` fn to a service factory
+///
+/// Service1 get constructed from `T` factory.
 pub fn apply_cfg_factory<F, C, T, R, S>(
-    srv: T,
+    factory: T,
     f: F,
-) -> ApplyConfigServiceFactory<F, C, T, R, S>
+) -> impl ServiceFactory<
+    Config = C,
+    Request = S::Request,
+    Response = S::Response,
+    Error = S::Error,
+    Service = S,
+    InitError = T::InitError,
+> + Clone
 where
     F: FnMut(C, &mut T::Service) -> R,
     T: ServiceFactory<Config = ()>,
@@ -34,13 +53,13 @@ where
     S: Service,
 {
     ApplyConfigServiceFactory {
-        srv: Cell::new((srv, f)),
+        srv: Cell::new((factory, f)),
         _t: PhantomData,
     }
 }
 
-/// Convert `Fn(&Config) -> Future<Service>` fn to NewService\
-pub struct ApplyConfigService<F, C, T, R, S, E>
+/// Convert `Fn(Config, &mut Server) -> Future<Service>` fn to NewService\
+struct ApplyConfigService<F, C, T, R, S, E>
 where
     F: FnMut(C, &mut T) -> R,
     T: Service,
@@ -91,7 +110,7 @@ where
 }
 
 /// Convert `Fn(&Config) -> Future<Service>` fn to NewService
-pub struct ApplyConfigServiceFactory<F, C, T, R, S>
+struct ApplyConfigServiceFactory<F, C, T, R, S>
 where
     F: FnMut(C, &mut T::Service) -> R,
     T: ServiceFactory<Config = ()>,
@@ -144,7 +163,7 @@ where
 }
 
 #[pin_project::pin_project]
-pub struct ApplyConfigServiceFactoryResponse<F, C, T, R, S>
+struct ApplyConfigServiceFactoryResponse<F, C, T, R, S>
 where
     F: FnMut(C, &mut T::Service) -> R,
     T: ServiceFactory<Config = ()>,

actix-service/src/boxed.rs

@@ -13,7 +13,7 @@ pub type BoxService<Req, Res, Err> =
 
 pub struct BoxServiceFactory<C, Req, Res, Err, InitErr>(Inner<C, Req, Res, Err, InitErr>);
 
-/// Create boxed new service
+/// Create boxed service factory
 pub fn factory<T>(
     factory: T,
 ) -> BoxServiceFactory<T::Config, T::Request, T::Response, T::Error, T::InitError>

actix-service/src/fn_service.rs

@@ -7,7 +7,7 @@ use futures_util::future::{ok, Ready};
 use crate::{IntoService, IntoServiceFactory, Service, ServiceFactory};
 
 /// Create `ServiceFactory` for function that can act as a `Service`
-pub fn service_fn<F, Fut, Req, Res, Err, Cfg>(
+pub fn fn_service<F, Fut, Req, Res, Err, Cfg>(
     f: F,
 ) -> FnServiceFactory<F, Fut, Req, Res, Err, Cfg>
 where
@@ -17,16 +17,43 @@ where
     FnServiceFactory::new(f)
 }
 
-pub fn service_fn2<F, Fut, Req, Res, Err>(f: F) -> FnService<F, Fut, Req, Res, Err>
-where
-    F: FnMut(Req) -> Fut,
-    Fut: Future<Output = Result<Res, Err>>,
-{
-    FnService::new(f)
-}
-
 /// Create `ServiceFactory` for function that can produce services
-pub fn factory_fn<F, Cfg, Srv, Fut, Err>(f: F) -> FnServiceNoConfig<F, Cfg, Srv, Fut, Err>
+///
+/// # Example
+///
+/// ```rust
+/// use std::io;
+/// use actix_service::{fn_factory, fn_service, Service, ServiceFactory};
+/// use futures_util::future::ok;
+///
+/// /// Service that divides two usize values.
+/// async fn div((x, y): (usize, usize)) -> Result<usize, io::Error> {
+///     if y == 0 {
+///         Err(io::Error::new(io::ErrorKind::Other, "divide by zdro"))
+///     } else {
+///         Ok(x / y)
+///     }
+/// }
+///
+/// #[actix_rt::main]
+/// async fn main() -> io::Result<()> {
+///     // Create service factory that produces `div` services
+///     let factory = fn_factory(|| {
+///         ok::<_, io::Error>(fn_service(div))
+///     });
+///
+///     // construct new service
+///     let mut srv = factory.new_service(()).await?;
+///
+///     // now we can use `div` service
+///     let result = srv.call((10, 20)).await?;
+///
+///     println!("10 / 20 = {}", result);
+///
+///     Ok(())
+/// }
+/// ```
+pub fn fn_factory<F, Cfg, Srv, Fut, Err>(f: F) -> FnServiceNoConfig<F, Cfg, Srv, Fut, Err>
 where
     Srv: Service,
     F: Fn() -> Fut,
@@ -35,8 +62,39 @@ where
     FnServiceNoConfig::new(f)
 }
 
-/// Create `ServiceFactory` for function that can produce services with configuration
-pub fn factory_fn_cfg<F, Fut, Cfg, Srv, Err>(f: F) -> FnServiceConfig<F, Fut, Cfg, Srv, Err>
+/// Create `ServiceFactory` for function that accepts config argument and can produce services
+///
+/// Any function that has following form `Fn(Config) -> Future<Output = Service>` could
+/// act as a `ServiceFactory`.
+///
+/// # Example
+///
+/// ```rust
+/// use std::io;
+/// use actix_service::{fn_factory_with_config, fn_service, Service, ServiceFactory};
+/// use futures_util::future::ok;
+///
+/// #[actix_rt::main]
+/// async fn main() -> io::Result<()> {
+///     // Create service factory. factory uses config argument for
+///     // services it generates.
+///     let factory = fn_factory_with_config(|y: usize| {
+///         ok::<_, io::Error>(fn_service(move |x: usize| ok::<_, io::Error>(x * y)))
+///     });
+///
+///     // construct new service with config argument
+///     let mut srv = factory.new_service(10).await?;
+///
+///     let result = srv.call(10).await?;
+///     assert_eq!(result, 100);
+///
+///     println!("10 * 10 = {}", result);
+///     Ok(())
+/// }
+/// ```
+pub fn fn_factory_with_config<F, Fut, Cfg, Srv, Err>(
+    f: F,
+) -> FnServiceConfig<F, Fut, Cfg, Srv, Err>
 where
     F: Fn(Cfg) -> Fut,
     Fut: Future<Output = Result<Srv, Err>>,
@@ -132,6 +190,25 @@ where
     }
 }
 
+impl<F, Fut, Req, Res, Err> Service for FnServiceFactory<F, Fut, Req, Res, Err, ()>
+where
+    F: FnMut(Req) -> Fut + Clone,
+    Fut: Future<Output = Result<Res, Err>>,
+{
+    type Request = Req;
+    type Response = Res;
+    type Error = Err;
+    type Future = Fut;
+
+    fn poll_ready(&mut self, _: &mut Context<'_>) -> Poll<Result<(), Self::Error>> {
+        Poll::Ready(Ok(()))
+    }
+
+    fn call(&mut self, req: Self::Request) -> Self::Future {
+        (self.f)(req)
+    }
+}
+
 impl<F, Fut, Req, Res, Err, Cfg> ServiceFactory for FnServiceFactory<F, Fut, Req, Res, Err, Cfg>
 where
     F: FnMut(Req) -> Fut + Clone,
@@ -280,3 +357,47 @@ where
         FnServiceNoConfig::new(self)
     }
 }
+
+#[cfg(test)]
+mod tests {
+    use std::task::Poll;
+
+    use futures_util::future::{lazy, ok};
+
+    use super::*;
+    use crate::{Service, ServiceFactory};
+
+    #[actix_rt::test]
+    async fn test_fn_service() {
+        let new_srv = fn_service(|()| ok::<_, ()>("srv"));
+
+        let mut srv = new_srv.new_service(()).await.unwrap();
+        let res = srv.call(()).await;
+        assert_eq!(lazy(|cx| srv.poll_ready(cx)).await, Poll::Ready(Ok(())));
+        assert!(res.is_ok());
+        assert_eq!(res.unwrap(), "srv");
+    }
+
+    #[actix_rt::test]
+    async fn test_fn_service_service() {
+        let mut srv = fn_service(|()| ok::<_, ()>("srv"));
+
+        let res = srv.call(()).await;
+        assert_eq!(lazy(|cx| srv.poll_ready(cx)).await, Poll::Ready(Ok(())));
+        assert!(res.is_ok());
+        assert_eq!(res.unwrap(), "srv");
+    }
+
+    #[actix_rt::test]
+    async fn test_fn_service_with_config() {
+        let new_srv = fn_factory_with_config(|cfg: usize| {
+            ok::<_, ()>(fn_service(move |()| ok::<_, ()>(("srv", cfg))))
+        });
+
+        let mut srv = new_srv.new_service(1).await.unwrap();
+        let res = srv.call(()).await;
+        assert_eq!(lazy(|cx| srv.poll_ready(cx)).await, Poll::Ready(Ok(())));
+        assert!(res.is_ok());
+        assert_eq!(res.unwrap(), ("srv", 1));
+    }
+}

actix-service/src/lib.rs

@@ -25,12 +25,48 @@ mod transform_err;
 
 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::fn_service::{fn_factory, fn_factory_with_config, fn_service};
 pub use self::map_config::{map_config, unit_config};
 pub use self::pipeline::{pipeline, pipeline_factory, Pipeline, PipelineFactory};
 pub use self::transform::{apply, Transform};
 
 /// An asynchronous function from `Request` to a `Response`.
+///
+/// `Service` represents a service that represanting interation, taking requests and giving back
+/// replies. You can think about service as a function with one argument and result as a return
+/// type. In general form it looks like `async fn(Req) -> Result<Res, Err>`. `Service`
+/// trait just generalizing form of this function. Each parameter described as an assotiated type.
+///
+/// Services provides a symmetric and uniform API, same abstractions represents
+/// clients and servers. Services describe only `transforamtion` operation
+/// which encorouge to simplify api surface and phrases `value transformation`.
+/// That leads to simplier design of each service. That also allows better testability
+/// and better composition.
+///
+/// Services could be represented in several different forms. In general,
+/// Service is a type that implements `Service` trait.
+///
+/// ```rust,ignore
+/// struct MyService;
+///
+/// impl Service for MyService {
+///      type Request = u8;
+///      type Response = u64;
+///      type Error = MyError;
+///      type Future = Pin<Box<Future<Output=Result<Self::Response, Self::Error>>>;
+///
+///      fn poll_ready(&mut self, cx: &mut Context<'_>) -> Poll<Result<(), Self::Error>> { ... }
+///
+///      fn call(&mut self, req: Self::Request) -> Self::Future { ... }
+/// }
+/// ```
+///
+/// Service can have mutable state that influence computation.
+/// This service could be rewritten as a simple function:
+///
+/// ```rust,ignore
+/// async fn my_service(req: u8) -> Result<u64, MyError>;
+/// ```
 pub trait Service {
     /// Requests handled by the service.
     type Request;
@@ -46,13 +82,19 @@ pub trait Service {
 
     /// Returns `Ready` when the service is able to process requests.
     ///
-    /// If the service is at capacity, then `NotReady` is returned and the task
+    /// If the service is at capacity, then `Pending` is returned and the task
     /// is notified when the service becomes ready again. This function is
     /// expected to be called while on a task.
     ///
     /// 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.
+    ///
+    /// There are several notes to consider:
+    ///
+    /// 1. `.poll_ready()` might be called on different task from actual service call.
+    ///
+    /// 2. In case of chained services, `.poll_ready()` get called for all services at once.
     fn poll_ready(&mut self, ctx: &mut task::Context<'_>) -> Poll<Result<(), Self::Error>>;
 
     /// Process the request and return the response asynchronously.
@@ -287,7 +329,7 @@ pub trait IntoServiceFactory<T>
 where
     T: ServiceFactory,
 {
-    /// Convert `Self` an `ServiceFactory`
+    /// Convert `Self` to a `ServiceFactory`
     fn into_factory(self) -> T;
 }
 
@@ -309,11 +351,17 @@ where
     }
 }
 
+/// Convert object of type `T` to a service `S`
+pub fn into_service<T, S>(tp: T) -> S
+where
+    S: Service,
+    T: IntoService<S>,
+{
+    tp.into_service()
+}
+
 pub mod dev {
-    pub use crate::and_then::{AndThenService, AndThenServiceFactory};
-    pub use crate::and_then_apply_fn::{AndThenApplyFn, AndThenApplyFnFactory};
     pub use crate::apply::{Apply, ApplyServiceFactory};
-    pub use crate::apply_cfg::{ApplyConfigService, ApplyConfigServiceFactory};
     pub use crate::fn_service::{
         FnService, FnServiceConfig, FnServiceFactory, FnServiceNoConfig,
     };
@@ -321,7 +369,6 @@ pub mod dev {
     pub use crate::map_config::{MapConfig, UnitConfig};
     pub use crate::map_err::{MapErr, MapErrServiceFactory};
     pub use crate::map_init_err::MapInitErr;
-    pub use crate::then::{ThenService, ThenServiceFactory};
     pub use crate::transform::ApplyTransform;
     pub use crate::transform_err::TransformMapInitErr;
 }

actix-service/src/map_config.rs

@@ -1,25 +1,30 @@
 use std::marker::PhantomData;
 
-use super::ServiceFactory;
+use super::{IntoServiceFactory, ServiceFactory};
 
-/// Adapt external config to a config for provided new service
-pub fn map_config<T, F, C>(factory: T, f: F) -> MapConfig<T, F, C>
+/// Adapt external config argument to a config for provided service factory
+///
+/// Note that this function consumes the receiving service factory and returns
+/// a wrapped version of it.
+pub fn map_config<T, U, F, C>(factory: U, f: F) -> MapConfig<T, F, C>
 where
     T: ServiceFactory,
+    U: IntoServiceFactory<T>,
     F: Fn(C) -> T::Config,
 {
-    MapConfig::new(factory, f)
+    MapConfig::new(factory.into_factory(), f)
 }
 
 /// Replace config with unit
-pub fn unit_config<T, C>(new_service: T) -> UnitConfig<T, C>
+pub fn unit_config<T, U, C>(factory: U) -> UnitConfig<T, C>
 where
     T: ServiceFactory<Config = ()>,
+    U: IntoServiceFactory<T>,
 {
-    UnitConfig::new(new_service)
+    UnitConfig::new(factory.into_factory())
 }
 
-/// `.map_config()` service combinator
+/// `map_config()` adapter service factory
 pub struct MapConfig<A, F, C> {
     a: A,
     f: F,

actix-service/src/pipeline.rs

@@ -9,6 +9,7 @@ use crate::map_init_err::MapInitErr;
 use crate::then::{ThenService, ThenServiceFactory};
 use crate::{IntoService, IntoServiceFactory, Service, ServiceFactory};
 
+/// Contruct new pipeline with one service in pipeline chain.
 pub fn pipeline<F, T>(service: F) -> Pipeline<T>
 where
     F: IntoService<T>,
@@ -19,6 +20,7 @@ where
     }
 }
 
+/// Contruct new pipeline factory with one service factory.
 pub fn pipeline_factory<T, F>(factory: F) -> PipelineFactory<T>
 where
     T: ServiceFactory,
@@ -29,7 +31,7 @@ where
     }
 }
 
-/// Pipeline service
+/// Pipeline service - pipeline allows to compose multiple service into one service.
 pub struct Pipeline<T> {
     service: T,
 }
@@ -44,7 +46,12 @@ impl<T: Service> Pipeline<T> {
     ///
     /// 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<AndThenService<T, U>>
+    pub fn and_then<F, U>(
+        self,
+        service: F,
+    ) -> Pipeline<
+        impl Service<Request = T::Request, Response = U::Response, Error = T::Error> + Clone,
+    >
     where
         Self: Sized,
         F: IntoService<U>,
@@ -63,7 +70,7 @@ impl<T: Service> Pipeline<T> {
         self,
         service: I,
         f: F,
-    ) -> Pipeline<AndThenApplyFn<T, U, F, Fut, Res, Err>>
+    ) -> Pipeline<impl Service<Request = T::Request, Response = Res, Error = Err> + Clone>
     where
         Self: Sized,
         I: IntoService<U>,
@@ -82,7 +89,12 @@ impl<T: Service> Pipeline<T> {
     ///
     /// Note that this function consumes the receiving pipeline and returns a
     /// wrapped version of it.
-    pub fn then<F, U>(self, service: F) -> Pipeline<ThenService<T, U>>
+    pub fn then<F, U>(
+        self,
+        service: F,
+    ) -> Pipeline<
+        impl Service<Request = T::Request, Response = U::Response, Error = T::Error> + Clone,
+    >
     where
         Self: Sized,
         F: IntoService<U>,
@@ -159,14 +171,30 @@ impl<T: Service> Service for Pipeline<T> {
     }
 }
 
-/// Pipeline constructor
+/// Pipeline factory
 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<AndThenServiceFactory<T, U>>
+    pub fn and_then<F, U>(
+        self,
+        factory: F,
+    ) -> PipelineFactory<
+        impl ServiceFactory<
+                Request = T::Request,
+                Response = U::Response,
+                Error = T::Error,
+                Config = T::Config,
+                InitError = T::InitError,
+                Service = impl Service<
+                    Request = T::Request,
+                    Response = U::Response,
+                    Error = T::Error,
+                > + Clone,
+            > + Clone,
+    >
     where
         Self: Sized,
         T::Config: Clone,
@@ -191,7 +219,16 @@ impl<T: ServiceFactory> PipelineFactory<T> {
         self,
         factory: I,
         f: F,
-    ) -> PipelineFactory<AndThenApplyFnFactory<T, U, F, Fut, Res, Err>>
+    ) -> PipelineFactory<
+        impl ServiceFactory<
+                Request = T::Request,
+                Response = Res,
+                Error = Err,
+                Config = T::Config,
+                InitError = T::InitError,
+                Service = impl Service<Request = T::Request, Response = Res, Error = Err> + Clone,
+            > + Clone,
+    >
     where
         Self: Sized,
         T::Config: Clone,
@@ -212,7 +249,23 @@ impl<T: ServiceFactory> PipelineFactory<T> {
     ///
     /// Note that this function consumes the receiving pipeline and returns a
     /// wrapped version of it.
-    pub fn then<F, U>(self, factory: F) -> PipelineFactory<ThenServiceFactory<T, U>>
+    pub fn then<F, U>(
+        self,
+        factory: F,
+    ) -> PipelineFactory<
+        impl ServiceFactory<
+                Request = T::Request,
+                Response = U::Response,
+                Error = T::Error,
+                Config = T::Config,
+                InitError = T::InitError,
+                Service = impl Service<
+                    Request = T::Request,
+                    Response = U::Response,
+                    Error = T::Error,
+                > + Clone,
+            > + Clone,
+    >
     where
         Self: Sized,
         T::Config: Clone,

actix-service/src/then.rs

@@ -1,5 +1,6 @@
 use std::future::Future;
 use std::pin::Pin;
+use std::rc::Rc;
 use std::task::{Context, Poll};
 
 use super::{Service, ServiceFactory};
@@ -8,11 +9,8 @@ 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 ThenService<A, B> {
-    a: A,
-    b: Cell<B>,
-}
+/// This is created by the `Pipeline::then` method.
+pub(crate) struct ThenService<A, B>(Cell<(A, B)>);
 
 impl<A, B> ThenService<A, B> {
     /// Create new `.then()` combinator
@@ -21,19 +19,13 @@ impl<A, B> ThenService<A, B> {
         A: Service,
         B: Service<Request = Result<A::Response, A::Error>, Error = A::Error>,
     {
-        Self { a, b: Cell::new(b) }
+        Self(Cell::new((a, b)))
     }
 }
 
-impl<A, B> Clone for ThenService<A, B>
-where
-    A: Clone,
-{
+impl<A, B> Clone for ThenService<A, B> {
     fn clone(&self) -> Self {
-        ThenService {
-            a: self.a.clone(),
-            b: self.b.clone(),
-        }
+        ThenService(self.0.clone())
     }
 }
 
@@ -47,9 +39,10 @@ where
     type Error = B::Error;
     type Future = ThenServiceResponse<A, B>;
 
-    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 {
+    fn poll_ready(&mut self, cx: &mut Context<'_>) -> Poll<Result<(), Self::Error>> {
+        let srv = self.0.get_mut();
+        let not_ready = !srv.0.poll_ready(cx)?.is_ready();
+        if !srv.1.poll_ready(cx)?.is_ready() || not_ready {
             Poll::Pending
         } else {
             Poll::Ready(Ok(()))
@@ -58,13 +51,13 @@ where
 
     fn call(&mut self, req: A::Request) -> Self::Future {
         ThenServiceResponse {
-            state: State::A(self.a.call(req), Some(self.b.clone())),
+            state: State::A(self.0.get_mut().0.call(req), Some(self.0.clone())),
         }
     }
 }
 
 #[pin_project::pin_project]
-pub struct ThenServiceResponse<A, B>
+pub(crate) struct ThenServiceResponse<A, B>
 where
     A: Service,
     B: Service<Request = Result<A::Response, A::Error>>,
@@ -79,7 +72,7 @@ where
     A: Service,
     B: Service<Request = Result<A::Response, A::Error>>,
 {
-    A(#[pin] A::Future, Option<Cell<B>>),
+    A(#[pin] A::Future, Option<Cell<(A, B)>>),
     B(#[pin] B::Future),
     Empty,
 }
@@ -101,7 +94,7 @@ where
                 Poll::Ready(res) => {
                     let mut b = b.take().unwrap();
                     this.state.set(State::Empty); // drop fut A
-                    let fut = b.get_mut().call(res);
+                    let fut = b.get_mut().1.call(res);
                     this.state.set(State::B(fut));
                     self.poll(cx)
                 }
@@ -117,10 +110,7 @@ where
 }
 
 /// `.then()` service factory combinator
-pub struct ThenServiceFactory<A, B> {
-    a: A,
-    b: B,
-}
+pub(crate) struct ThenServiceFactory<A, B>(Rc<(A, B)>);
 
 impl<A, B> ThenServiceFactory<A, B>
 where
@@ -135,7 +125,7 @@ where
 {
     /// Create new `AndThen` combinator
     pub(crate) fn new(a: A, b: B) -> Self {
-        Self { a, b }
+        Self(Rc::new((a, b)))
     }
 }
 
@@ -160,28 +150,19 @@ where
     type Future = ThenServiceFactoryResponse<A, B>;
 
     fn new_service(&self, cfg: A::Config) -> Self::Future {
-        ThenServiceFactoryResponse::new(
-            self.a.new_service(cfg.clone()),
-            self.b.new_service(cfg),
-        )
+        let srv = &*self.0;
+        ThenServiceFactoryResponse::new(srv.0.new_service(cfg.clone()), srv.1.new_service(cfg))
     }
 }
 
-impl<A, B> Clone for ThenServiceFactory<A, B>
-where
-    A: Clone,
-    B: Clone,
-{
+impl<A, B> Clone for ThenServiceFactory<A, B> {
     fn clone(&self) -> Self {
-        Self {
-            a: self.a.clone(),
-            b: self.b.clone(),
-        }
+        Self(self.0.clone())
     }
 }
 
 #[pin_project::pin_project]
-pub struct ThenServiceFactoryResponse<A, B>
+pub(crate) struct ThenServiceFactoryResponse<A, B>
 where
     A: ServiceFactory,
     B: ServiceFactory<
@@ -324,11 +305,11 @@ mod tests {
 
         let res = srv.call(Ok("srv1")).await;
         assert!(res.is_ok());
-        assert_eq!(res.unwrap(), (("srv1", "ok")));
+        assert_eq!(res.unwrap(), ("srv1", "ok"));
 
         let res = srv.call(Err("srv")).await;
         assert!(res.is_ok());
-        assert_eq!(res.unwrap(), (("srv2", "err")));
+        assert_eq!(res.unwrap(), ("srv2", "err"));
     }
 
     #[actix_rt::test]
@@ -340,10 +321,10 @@ mod tests {
         let mut srv = factory.new_service(&()).await.unwrap();
         let res = srv.call(Ok("srv1")).await;
         assert!(res.is_ok());
-        assert_eq!(res.unwrap(), (("srv1", "ok")));
+        assert_eq!(res.unwrap(), ("srv1", "ok"));
 
         let res = srv.call(Err("srv")).await;
         assert!(res.is_ok());
-        assert_eq!(res.unwrap(), (("srv2", "err")));
+        assert_eq!(res.unwrap(), ("srv2", "err"));
     }
 }

actix-service/src/transform.rs

@@ -7,23 +7,88 @@ use std::task::{Context, Poll};
 use crate::transform_err::TransformMapInitErr;
 use crate::{IntoServiceFactory, Service, ServiceFactory};
 
-/// Apply transform to a service. Function returns
-/// services factory that in initialization creates
-/// service and applies transform to this service.
-pub fn apply<T, S, U>(t: T, service: U) -> ApplyTransform<T, S>
+/// Apply transform to a service.
+pub fn apply<T, S, U>(t: T, factory: U) -> ApplyTransform<T, S>
 where
     S: ServiceFactory,
     T: Transform<S::Service, InitError = S::InitError>,
     U: IntoServiceFactory<S>,
 {
-    ApplyTransform::new(t, service.into_factory())
+    ApplyTransform::new(t, factory.into_factory())
 }
 
+/// The `Transform` trait defines the interface of a service factory that wraps inner service
+/// during construction.
+///
+/// Transform(middleware) wraps inner service and runs during
+/// inbound and/or outbound processing in the request/response lifecycle.
+/// It may modify request and/or response.
+///
+/// For example, timeout transform:
+///
+/// ```rust,ignore
+/// pub struct Timeout<S> {
+///     service: S,
+///     timeout: Duration,
+/// }
+///
+/// impl<S> Service for Timeout<S>
+/// where
+///     S: Service,
+/// {
+///     type Request = S::Request;
+///     type Response = S::Response;
+///     type Error = TimeoutError<S::Error>;
+///     type Future = TimeoutServiceResponse<S>;
+///
+///     fn poll_ready(&mut self, cx: &mut Context<'_>) -> Poll<Result<(), Self::Error>> {
+///         ready!(self.service.poll_ready(cx)).map_err(TimeoutError::Service)
+///     }
+///
+///     fn call(&mut self, req: S::Request) -> Self::Future {
+///         TimeoutServiceResponse {
+///             fut: self.service.call(req),
+///             sleep: Delay::new(clock::now() + self.timeout),
+///         }
+///     }
+/// }
+/// ```
+///
+/// Timeout service in above example is decoupled from underlying service implementation
+/// and could be applied to any service.
+///
 /// The `Transform` trait defines the interface of a Service factory. `Transform`
 /// is often implemented for middleware, defining how to construct a
 /// middleware Service. A Service that is constructed by the factory takes
 /// the Service that follows it during execution as a parameter, assuming
 /// ownership of the next Service.
+///
+/// Factory for `Timeout` middleware from the above example could look like this:
+///
+/// ```rust,,ignore
+/// pub struct TimeoutTransform {
+///     timeout: Duration,
+/// }
+///
+/// impl<S> Transform<S> for TimeoutTransform<E>
+/// where
+///     S: Service,
+/// {
+///     type Request = S::Request;
+///     type Response = S::Response;
+///     type Error = TimeoutError<S::Error>;
+///     type InitError = S::Error;
+///     type Transform = Timeout<S>;
+///     type Future = Ready<Result<Self::Transform, Self::InitError>>;
+///
+///     fn new_transform(&self, service: S) -> Self::Future {
+///         ok(TimeoutService {
+///             service,
+///             timeout: self.timeout,
+///         })
+///     }
+/// }
+/// ```
 pub trait Transform<S> {
     /// Requests handled by the service.
     type Request;
@@ -41,13 +106,13 @@ pub trait Transform<S> {
         Error = Self::Error,
     >;
 
-    /// Errors produced while building a service.
+    /// Errors produced while building a transform service.
     type InitError;
 
     /// The future response value.
     type Future: Future<Output = Result<Self::Transform, Self::InitError>>;
 
-    /// Creates and returns a new Service component, asynchronously
+    /// Creates and returns a new Transform component, asynchronously
     fn new_transform(&self, service: S) -> Self::Future;
 
     /// Map this transforms's factory error to a different error,

actix-testing/CHANGES.md

@@ -1,5 +1,9 @@
 # Changes
 
+## [1.0.0] - 2019-12-11
+
+* Update actix-server to 1.0.0
+
 ## [1.0.0-alpha.3] - 2019-12-07
 
 * Migrate to tokio 0.2

actix-testing/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "actix-testing"
-version = "1.0.0-alpha.3"
+version = "1.0.0"
 authors = ["Nikolay Kim <fafhrd91@gmail.com>"]
 description = "Actix testing utils"
 keywords = ["network", "framework", "async", "futures"]
@@ -17,10 +17,10 @@ name = "actix_testing"
 path = "src/lib.rs"
 
 [dependencies]
-actix-rt = "1.0.0-alpha.3"
-actix-macros = "0.1.0-alpha.1"
-actix-server = "1.0.0-alpha.3"
-actix-service = "1.0.0-alpha.3"
+actix-rt = "1.0.0"
+actix-macros = "0.1.0"
+actix-server = "1.0.0"
+actix-service = "1.0.0"
 
 log = "0.4"
 net2 = "0.2"

actix-testing/src/lib.rs

@@ -1,6 +1,6 @@
 //! Various helpers for Actix applications to use during testing.
 #![deny(rust_2018_idioms, warnings)]
-#![allow(clippy::type_complexity)]
+#![allow(clippy::type_complexity, clippy::needless_doctest_main)]
 
 use std::sync::mpsc;
 use std::{net, thread};
@@ -20,12 +20,12 @@ pub use actix_macros::test;
 /// # Examples
 ///
 /// ```rust
-/// use actix_service::{service_fn};
+/// use actix_service::fn_service;
 /// use actix_testing::TestServer;
 ///
 /// #[actix_rt::main]
 /// async fn main() {
-///     let srv = TestServer::with(|| service_fn(
+///     let srv = TestServer::with(|| fn_service(
 ///         |sock| async move {
 ///             println!("New connection: {:?}", sock);
 ///             Ok::<_, ()>(())

actix-threadpool/CHANGES.md

@@ -1,5 +1,11 @@
 # Changes
 
+## [0.3.1] - 2019-12-12
+
+### Changed
+
+* Use parking_lot 0.10
+
 ## [0.3.0] - 2019-12-02
 
 ### Changed

actix-threadpool/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "actix-threadpool"
-version = "0.3.0"
+version = "0.3.1"
 authors = ["Nikolay Kim <fafhrd91@gmail.com>"]
 description = "Actix thread pool for sync code"
 keywords = ["actix", "network", "framework", "async", "futures"]
@@ -19,9 +19,9 @@ path = "src/lib.rs"
 
 [dependencies]
 derive_more = "0.99.2"
-futures = "0.3.1"
-parking_lot = "0.9"
-lazy_static = "1.2"
+futures-channel = "0.3.1"
+parking_lot = "0.10"
+lazy_static = "1.3"
 log = "0.4"
 num_cpus = "1.10"
 threadpool = "1.7"

actix-threadpool/src/lib.rs

@@ -6,7 +6,7 @@ use std::pin::Pin;
 use std::task::{Context, Poll};
 
 use derive_more::Display;
-use futures::channel::oneshot;
+use futures_channel::oneshot;
 use parking_lot::Mutex;
 use threadpool::ThreadPool;
 
@@ -79,9 +79,12 @@ impl<I, E: fmt::Debug> Future for CpuFuture<I, E> {
 
     fn poll(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
         let rx = Pin::new(&mut self.rx);
-        let res = futures::ready!(rx.poll(cx))
-            .map_err(|_| BlockingError::Canceled)
-            .and_then(|res| res.map_err(BlockingError::Error));
+        let res = match rx.poll(cx) {
+            Poll::Pending => return Poll::Pending,
+            Poll::Ready(res) => res
+                .map_err(|_| BlockingError::Canceled)
+                .and_then(|res| res.map_err(BlockingError::Error)),
+        };
         Poll::Ready(res)
     }
 }

actix-tls/CHANGES.md

@@ -1,6 +1,10 @@
 # Changes
 
-[1.0.0-alpha.3] - 2019-12-07
+## [1.0.0] - 2019-12-11
+
+* 1.0.0 release
+
+## [1.0.0-alpha.3] - 2019-12-07
 
 ### Changed
 

actix-tls/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "actix-tls"
-version = "1.0.0-alpha.3"
+version = "1.0.0"
 authors = ["Nikolay Kim <fafhrd91@gmail.com>"]
 description = "Actix tls services"
 keywords = ["network", "framework", "async", "futures"]
@@ -32,10 +32,10 @@ rustls = ["rust-tls", "webpki", "webpki-roots", "tokio-rustls"]
 nativetls = ["native-tls", "tokio-tls"]
 
 [dependencies]
-actix-service = "1.0.0-alpha.3"
-actix-codec = "0.2.0-alpha.3"
-actix-utils = "1.0.0-alpha.3"
-actix-rt = "1.0.0-alpha.3"
+actix-service = "1.0.0"
+actix-codec = "0.2.0"
+actix-utils = "1.0.0"
+actix-rt = "1.0.0"
 derive_more = "0.99.2"
 either = "1.5.2"
 futures = "0.3.1"
@@ -57,4 +57,4 @@ tokio-tls = { version="0.3", optional = true }
 
 [dev-dependencies]
 bytes = "0.5"
-actix-testing = { version="1.0.0-alpha.3" }
+actix-testing = { version="1.0.0" }

actix-tls/src/openssl.rs

@@ -3,7 +3,7 @@ use std::marker::PhantomData;
 use std::pin::Pin;
 use std::task::{Context, Poll};
 
-pub use open_ssl::ssl::{SslAcceptor, SslAcceptorBuilder};
+pub use open_ssl::ssl::{AlpnError, SslAcceptor, SslAcceptorBuilder};
 pub use tokio_openssl::{HandshakeError, SslStream};
 
 use actix_codec::{AsyncRead, AsyncWrite};
@@ -88,7 +88,7 @@ impl<T: AsyncRead + AsyncWrite + Unpin + 'static> Service for AcceptorService<T>
                 let acc = acc;
                 tokio_openssl::accept(&acc, req).await
             }
-                .boxed_local(),
+            .boxed_local(),
         }
     }
 }

actix-tracing/CHANGES.md

@@ -0,0 +1,5 @@
+# Changes
+
+## [0.1.0] - 2020-01-15
+
+* Initial release

actix-tracing/Cargo.toml

@@ -0,0 +1,26 @@
+[package]
+name = "actix-tracing"
+version = "0.1.0"
+authors = ["Rajasekharan Vengalil <avranju@gmail.com>"]
+description = "Support for tokio tracing with Actix services"
+keywords = ["network", "framework", "tracing"]
+homepage = "https://actix.rs"
+repository = "https://github.com/actix/actix-net.git"
+documentation = "https://docs.rs/actix-tracing/"
+categories = ["network-programming", "asynchronous"]
+license = "MIT/Apache-2.0"
+edition = "2018"
+
+[lib]
+name = "actix_tracing"
+path = "src/lib.rs"
+
+[dependencies]
+actix-service = "1.0.4"
+futures-util = "0.3.1"
+tracing = "0.1"
+tracing-futures = "0.2"
+
+[dev_dependencies]
+actix-rt = "1.0"
+slab = "0.4"

actix-tracing/LICENSE-APACHE

@@ -0,0 +1 @@
+../LICENSE-APACHE

actix-tracing/LICENSE-MIT

@@ -0,0 +1 @@
+../LICENSE-MIT

actix-tracing/src/lib.rs

@@ -0,0 +1,261 @@
+//! Actix tracing - support for tokio tracing with Actix services.
+#![deny(rust_2018_idioms, warnings)]
+
+use std::marker::PhantomData;
+use std::task::{Context, Poll};
+
+use actix_service::{
+    apply, dev::ApplyTransform, IntoServiceFactory, Service, ServiceFactory, Transform,
+};
+use futures_util::future::{ok, Either, Ready};
+use tracing_futures::{Instrument, Instrumented};
+
+/// A `Service` implementation that automatically enters/exits tracing spans
+/// for the wrapped inner service.
+#[derive(Clone)]
+pub struct TracingService<S, F> {
+    inner: S,
+    make_span: F,
+}
+
+impl<S, F> TracingService<S, F> {
+    pub fn new(inner: S, make_span: F) -> Self {
+        TracingService { inner, make_span }
+    }
+}
+
+impl<S, F> Service for TracingService<S, F>
+where
+    S: Service,
+    F: Fn(&S::Request) -> Option<tracing::Span>,
+{
+    type Request = S::Request;
+    type Response = S::Response;
+    type Error = S::Error;
+    type Future = Either<S::Future, Instrumented<S::Future>>;
+
+    fn poll_ready(&mut self, ctx: &mut Context<'_>) -> Poll<Result<(), Self::Error>> {
+        self.inner.poll_ready(ctx)
+    }
+
+    fn call(&mut self, req: Self::Request) -> Self::Future {
+        let span = (self.make_span)(&req);
+        let _enter = span.as_ref().map(|s| s.enter());
+
+        let fut = self.inner.call(req);
+
+        // make a child span to track the future's execution
+        if let Some(span) = span
+            .clone()
+            .map(|span| tracing::span!(parent: &span, tracing::Level::INFO, "future"))
+        {
+            Either::Right(fut.instrument(span))
+        } else {
+            Either::Left(fut)
+        }
+    }
+}
+
+/// A `Transform` implementation that wraps services with a [`TracingService`].
+///
+/// [`TracingService`]: struct.TracingService.html
+pub struct TracingTransform<S, U, F> {
+    make_span: F,
+    _p: PhantomData<fn(S, U)>,
+}
+
+impl<S, U, F> TracingTransform<S, U, F> {
+    pub fn new(make_span: F) -> Self {
+        TracingTransform {
+            make_span,
+            _p: PhantomData,
+        }
+    }
+}
+
+impl<S, U, F> Transform<S> for TracingTransform<S, U, F>
+where
+    S: Service,
+    U: ServiceFactory<
+        Request = S::Request,
+        Response = S::Response,
+        Error = S::Error,
+        Service = S,
+    >,
+    F: Fn(&S::Request) -> Option<tracing::Span> + Clone,
+{
+    type Request = S::Request;
+    type Response = S::Response;
+    type Error = S::Error;
+    type Transform = TracingService<S, F>;
+    type InitError = U::InitError;
+    type Future = Ready<Result<Self::Transform, Self::InitError>>;
+
+    fn new_transform(&self, service: S) -> Self::Future {
+        ok(TracingService::new(service, self.make_span.clone()))
+    }
+}
+
+/// Wraps the provided service factory with a transform that automatically
+/// enters/exits the given span.
+///
+/// The span to be entered/exited can be provided via a closure. The closure
+/// is passed in a reference to the request being handled by the service.
+///
+/// For example:
+/// ```rust,ignore
+/// let traced_service = trace(
+///     web_service,
+///     |req: &Request| Some(span!(Level::INFO, "request", req.id))
+/// );
+/// ```
+pub fn trace<S, U, F>(
+    service_factory: U,
+    make_span: F,
+) -> ApplyTransform<TracingTransform<S::Service, S, F>, S>
+where
+    S: ServiceFactory,
+    F: Fn(&S::Request) -> Option<tracing::Span> + Clone,
+    U: IntoServiceFactory<S>,
+{
+    apply(
+        TracingTransform::new(make_span),
+        service_factory.into_factory(),
+    )
+}
+
+#[cfg(test)]
+mod test {
+    use super::*;
+
+    use std::cell::RefCell;
+    use std::collections::{BTreeMap, BTreeSet};
+    use std::sync::{Arc, RwLock};
+
+    use actix_service::{fn_factory, fn_service};
+    use slab::Slab;
+    use tracing::{span, Event, Level, Metadata, Subscriber};
+
+    thread_local! {
+        static SPAN: RefCell<Vec<span::Id>> = RefCell::new(Vec::new());
+    }
+
+    #[derive(Default)]
+    struct Stats {
+        entered_spans: BTreeSet<u64>,
+        exited_spans: BTreeSet<u64>,
+        events_count: BTreeMap<u64, usize>,
+    }
+
+    #[derive(Default)]
+    struct Inner {
+        spans: Slab<&'static Metadata<'static>>,
+        stats: Stats,
+    }
+
+    #[derive(Clone, Default)]
+    struct TestSubscriber {
+        inner: Arc<RwLock<Inner>>,
+    }
+
+    impl Subscriber for TestSubscriber {
+        fn enabled(&self, _metadata: &Metadata<'_>) -> bool {
+            true
+        }
+
+        fn new_span(&self, span: &span::Attributes<'_>) -> span::Id {
+            let id = self.inner.write().unwrap().spans.insert(span.metadata());
+            span::Id::from_u64(id as u64 + 1)
+        }
+
+        fn record(&self, _span: &span::Id, _values: &span::Record<'_>) {}
+
+        fn record_follows_from(&self, _span: &span::Id, _follows: &span::Id) {}
+
+        fn event(&self, event: &Event<'_>) {
+            let id = event
+                .parent()
+                .cloned()
+                .or_else(|| SPAN.with(|current_span| current_span.borrow().last().cloned()))
+                .unwrap();
+
+            *self
+                .inner
+                .write()
+                .unwrap()
+                .stats
+                .events_count
+                .entry(id.into_u64())
+                .or_insert(0) += 1;
+        }
+
+        fn enter(&self, span: &span::Id) {
+            self.inner
+                .write()
+                .unwrap()
+                .stats
+                .entered_spans
+                .insert(span.into_u64());
+
+            SPAN.with(|current_span| {
+                current_span.borrow_mut().push(span.clone());
+            });
+        }
+
+        fn exit(&self, span: &span::Id) {
+            self.inner
+                .write()
+                .unwrap()
+                .stats
+                .exited_spans
+                .insert(span.into_u64());
+
+            // we are guaranteed that on any given thread, spans are exited in reverse order
+            SPAN.with(|current_span| {
+                let leaving = current_span
+                    .borrow_mut()
+                    .pop()
+                    .expect("told to exit span when not in span");
+                assert_eq!(
+                    &leaving, span,
+                    "told to exit span that was not most recently entered"
+                );
+            });
+        }
+    }
+
+    #[actix_rt::test]
+    async fn service_call() {
+        let service_factory = fn_factory(|| {
+            ok::<_, ()>(fn_service(|req: &'static str| {
+                tracing::event!(Level::TRACE, "It's happening - {}!", req);
+                ok::<_, ()>(())
+            }))
+        });
+
+        let subscriber = TestSubscriber::default();
+        let _guard = tracing::subscriber::set_default(subscriber.clone());
+
+        let span_svc = span!(Level::TRACE, "span_svc");
+        let trace_service_factory = trace(service_factory, |_: &&str| Some(span_svc.clone()));
+        let mut service = trace_service_factory.new_service(()).await.unwrap();
+        service.call("boo").await.unwrap();
+
+        let id = span_svc.id().unwrap().into_u64();
+        assert!(subscriber
+            .inner
+            .read()
+            .unwrap()
+            .stats
+            .entered_spans
+            .contains(&id));
+        assert!(subscriber
+            .inner
+            .read()
+            .unwrap()
+            .stats
+            .exited_spans
+            .contains(&id));
+        assert_eq!(subscriber.inner.read().unwrap().stats.events_count[&id], 1);
+    }
+}

actix-utils/CHANGES.md

@@ -1,5 +1,37 @@
 # Changes
 
+## [1.0.6] - 2020-01-08
+
+* Add `Clone` impl for `condition::Waiter`
+
+## [1.0.5] - 2020-01-08
+
+* Add `Condition` type.
+
+* Add `Pool` of one-shot's.
+
+## [1.0.4] - 2019-12-20
+
+* Add methods to check `LocalWaker` registration state.
+
+## [1.0.3] - 2019-12-11
+
+* Revert InOrder service changes
+
+## [1.0.2] - 2019-12-11
+
+* Allow to create `framed::Dispatcher` with custom `mpsc::Receiver`
+
+* Add `oneshot::Sender::is_canceled()` method
+
+## [1.0.1] - 2019-12-11
+
+* Optimize InOrder service
+
+## [1.0.0] - 2019-12-11
+
+* Simplify oneshot and mpsc implementations
+
 ## [1.0.0-alpha.3] - 2019-12-07
 
 * Migrate to tokio 0.2

actix-utils/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "actix-utils"
-version = "1.0.0-alpha.3"
+version = "1.0.6"
 authors = ["Nikolay Kim <fafhrd91@gmail.com>"]
 description = "Actix utils - various actix net related services"
 keywords = ["network", "framework", "async", "futures"]
@@ -9,20 +9,20 @@ repository = "https://github.com/actix/actix-net.git"
 documentation = "https://docs.rs/actix-utils/"
 categories = ["network-programming", "asynchronous"]
 license = "MIT/Apache-2.0"
-exclude = [".gitignore", ".travis.yml", ".cargo/config", "appveyor.yml"]
 edition = "2018"
-workspace = ".."
 
 [lib]
 name = "actix_utils"
 path = "src/lib.rs"
 
 [dependencies]
-actix-service = "1.0.0-alpha.3"
-actix-rt = "1.0.0-alpha.3"
-actix-codec = "0.2.0-alpha.3"
-bytes = "0.5.2"
-either = "1.5.2"
+actix-service = "1.0.1"
+actix-rt = "1.0.0"
+actix-codec = "0.2.0"
+bitflags = "1.2"
+bytes = "0.5.3"
+either = "1.5.3"
 futures = "0.3.1"
 pin-project = "0.4.6"
 log = "0.4"
+slab = "0.4"

actix-utils/src/cell.rs

@@ -2,16 +2,12 @@
 
 use std::cell::UnsafeCell;
 use std::fmt;
-use std::rc::{Rc, Weak};
+use std::rc::Rc;
 
 pub(crate) struct Cell<T> {
     pub(crate) inner: Rc<UnsafeCell<T>>,
 }
 
-pub(crate) struct WeakCell<T> {
-    inner: Weak<UnsafeCell<T>>,
-}
-
 impl<T> Clone for Cell<T> {
     fn clone(&self) -> Self {
         Self {
@@ -27,39 +23,26 @@ impl<T: fmt::Debug> fmt::Debug for Cell<T> {
 }
 
 impl<T> Cell<T> {
-    pub fn new(inner: T) -> Self {
+    pub(crate) fn new(inner: T) -> Self {
         Self {
             inner: Rc::new(UnsafeCell::new(inner)),
         }
     }
 
-    pub fn downgrade(&self) -> WeakCell<T> {
-        WeakCell {
-            inner: Rc::downgrade(&self.inner),
-        }
+    pub(crate) fn strong_count(&self) -> usize {
+        Rc::strong_count(&self.inner)
     }
 
-    pub fn get_ref(&self) -> &T {
+    pub(crate) fn get_ref(&self) -> &T {
         unsafe { &*self.inner.as_ref().get() }
     }
 
-    pub fn get_mut(&mut self) -> &mut T {
+    pub(crate) fn get_mut(&mut self) -> &mut T {
         unsafe { &mut *self.inner.as_ref().get() }
     }
-}
 
-impl<T> WeakCell<T> {
-    pub fn upgrade(&self) -> Option<Cell<T>> {
-        if let Some(inner) = self.inner.upgrade() {
-            Some(Cell { inner })
-        } else {
-            None
-        }
-    }
-}
-
-impl<T: fmt::Debug> fmt::Debug for WeakCell<T> {
-    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        self.inner.fmt(f)
+    #[allow(clippy::mut_from_ref)]
+    pub(crate) unsafe fn get_mut_unsafe(&self) -> &mut T {
+        &mut *self.inner.as_ref().get()
     }
 }

actix-utils/src/condition.rs

@@ -0,0 +1,127 @@
+use std::future::Future;
+use std::pin::Pin;
+use std::task::{Context, Poll};
+
+use slab::Slab;
+
+use crate::cell::Cell;
+use crate::task::LocalWaker;
+
+/// Condition allows to notify multiple receivers at the same time
+pub struct Condition(Cell<Inner>);
+
+struct Inner {
+    data: Slab<Option<LocalWaker>>,
+}
+
+impl Default for Condition {
+    fn default() -> Self {
+        Self::new()
+    }
+}
+
+impl Condition {
+    pub fn new() -> Condition {
+        Condition(Cell::new(Inner { data: Slab::new() }))
+    }
+
+    /// Get condition waiter
+    pub fn wait(&mut self) -> Waiter {
+        let token = self.0.get_mut().data.insert(None);
+        Waiter {
+            token,
+            inner: self.0.clone(),
+        }
+    }
+
+    /// Notify all waiters
+    pub fn notify(&self) {
+        let inner = self.0.get_ref();
+        for item in inner.data.iter() {
+            if let Some(waker) = item.1 {
+                waker.wake();
+            }
+        }
+    }
+}
+
+impl Drop for Condition {
+    fn drop(&mut self) {
+        self.notify()
+    }
+}
+
+#[must_use = "Waiter do nothing unless polled"]
+pub struct Waiter {
+    token: usize,
+    inner: Cell<Inner>,
+}
+
+impl Clone for Waiter {
+    fn clone(&self) -> Self {
+        let token = unsafe { self.inner.get_mut_unsafe() }.data.insert(None);
+        Waiter {
+            token,
+            inner: self.inner.clone(),
+        }
+    }
+}
+
+impl Future for Waiter {
+    type Output = ();
+
+    fn poll(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
+        let this = self.get_mut();
+
+        let inner = unsafe { this.inner.get_mut().data.get_unchecked_mut(this.token) };
+        if inner.is_none() {
+            let waker = LocalWaker::default();
+            waker.register(cx.waker());
+            *inner = Some(waker);
+            Poll::Pending
+        } else if inner.as_mut().unwrap().register(cx.waker()) {
+            Poll::Pending
+        } else {
+            Poll::Ready(())
+        }
+    }
+}
+
+impl Drop for Waiter {
+    fn drop(&mut self) {
+        self.inner.get_mut().data.remove(self.token);
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    use futures::future::lazy;
+
+    #[actix_rt::test]
+    async fn test_condition() {
+        let mut cond = Condition::new();
+        let mut waiter = cond.wait();
+        assert_eq!(
+            lazy(|cx| Pin::new(&mut waiter).poll(cx)).await,
+            Poll::Pending
+        );
+        cond.notify();
+        waiter.await;
+
+        let mut waiter = cond.wait();
+        assert_eq!(
+            lazy(|cx| Pin::new(&mut waiter).poll(cx)).await,
+            Poll::Pending
+        );
+        let mut waiter2 = waiter.clone();
+        assert_eq!(
+            lazy(|cx| Pin::new(&mut waiter2).poll(cx)).await,
+            Poll::Pending
+        );
+
+        drop(cond);
+        waiter.await;
+        waiter2.await;
+    }
+}

actix-utils/src/framed.rs

@@ -1,37 +1,33 @@
 //! 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::future::{ready, FutureExt};
-use futures::{Future, Sink, Stream};
+use futures::{Future, FutureExt, Stream};
 use log::debug;
 
-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;
 
 /// Framed transport errors
-pub enum FramedTransportError<E, U: Encoder + Decoder> {
+pub enum DispatcherError<E, U: Encoder + Decoder> {
     Service(E),
     Encoder(<U as Encoder>::Error),
     Decoder(<U as Decoder>::Error),
 }
 
-impl<E, U: Encoder + Decoder> From<E> for FramedTransportError<E, U> {
+impl<E, U: Encoder + Decoder> From<E> for DispatcherError<E, U> {
     fn from(err: E) -> Self {
-        FramedTransportError::Service(err)
+        DispatcherError::Service(err)
     }
 }
 
-impl<E, U: Encoder + Decoder> fmt::Debug for FramedTransportError<E, U>
+impl<E, U: Encoder + Decoder> fmt::Debug for DispatcherError<E, U>
 where
     E: fmt::Debug,
     <U as Encoder>::Error: fmt::Debug,
@@ -39,20 +35,14 @@ where
 {
     fn fmt(&self, fmt: &mut fmt::Formatter<'_>) -> fmt::Result {
         match *self {
-            FramedTransportError::Service(ref e) => {
-                write!(fmt, "FramedTransportError::Service({:?})", e)
-            }
-            FramedTransportError::Encoder(ref e) => {
-                write!(fmt, "FramedTransportError::Encoder({:?})", e)
-            }
-            FramedTransportError::Decoder(ref e) => {
-                write!(fmt, "FramedTransportError::Encoder({:?})", e)
-            }
+            DispatcherError::Service(ref e) => write!(fmt, "DispatcherError::Service({:?})", e),
+            DispatcherError::Encoder(ref e) => write!(fmt, "DispatcherError::Encoder({:?})", e),
+            DispatcherError::Decoder(ref e) => write!(fmt, "DispatcherError::Decoder({:?})", e),
         }
     }
 }
 
-impl<E, U: Encoder + Decoder> fmt::Display for FramedTransportError<E, U>
+impl<E, U: Encoder + Decoder> fmt::Display for DispatcherError<E, U>
 where
     E: fmt::Display,
     <U as Encoder>::Error: fmt::Debug,
@@ -60,25 +50,22 @@ where
 {
     fn fmt(&self, fmt: &mut fmt::Formatter<'_>) -> fmt::Result {
         match *self {
-            FramedTransportError::Service(ref e) => write!(fmt, "{}", e),
-            FramedTransportError::Encoder(ref e) => write!(fmt, "{:?}", e),
-            FramedTransportError::Decoder(ref e) => write!(fmt, "{:?}", e),
+            DispatcherError::Service(ref e) => write!(fmt, "{}", e),
+            DispatcherError::Encoder(ref e) => write!(fmt, "{:?}", e),
+            DispatcherError::Decoder(ref e) => write!(fmt, "{:?}", e),
         }
     }
 }
 
-pub enum FramedMessage<T> {
-    Message(T),
+pub enum Message<T> {
+    Item(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::pin_project]
-pub struct FramedTransport<S, T, U>
+pub struct Dispatcher<S, T, U>
 where
     S: Service<Request = Request<U>, Response = Response<U>>,
     S::Error: 'static,
@@ -89,26 +76,37 @@ where
     <U as Encoder>::Error: std::fmt::Debug,
 {
     service: S,
-    state: TransportState<S, U>,
+    state: State<S, U>,
     framed: Framed<T, U>,
-    rx: Option<mpsc::Receiver<FramedMessage<<U as Encoder>::Item>>>,
-    inner: Cell<FramedTransportInner<<U as Encoder>::Item, S::Error>>,
+    rx: mpsc::Receiver<Result<Message<<U as Encoder>::Item>, S::Error>>,
+    tx: mpsc::Sender<Result<Message<<U as Encoder>::Item>, S::Error>>,
 }
 
-enum TransportState<S: Service, U: Encoder + Decoder> {
+enum State<S: Service, U: Encoder + Decoder> {
     Processing,
-    Error(FramedTransportError<S::Error, U>),
-    FramedError(FramedTransportError<S::Error, U>),
+    Error(DispatcherError<S::Error, U>),
+    FramedError(DispatcherError<S::Error, U>),
     FlushAndStop,
     Stopping,
 }
 
-struct FramedTransportInner<I, E> {
-    buf: VecDeque<Result<I, E>>,
-    task: LocalWaker,
+impl<S: Service, U: Encoder + Decoder> State<S, U> {
+    fn take_error(&mut self) -> DispatcherError<S::Error, U> {
+        match mem::replace(self, State::Processing) {
+            State::Error(err) => err,
+            _ => panic!(),
+        }
+    }
+
+    fn take_framed_error(&mut self) -> DispatcherError<S::Error, U> {
+        match mem::replace(self, State::Processing) {
+            State::FramedError(err) => err,
+            _ => panic!(),
+        }
+    }
 }
 
-impl<S, T, U> FramedTransport<S, T, U>
+impl<S, T, U> Dispatcher<S, T, U>
 where
     S: Service<Request = Request<U>, Response = Response<U>>,
     S::Error: 'static,
@@ -119,52 +117,150 @@ where
     <U as Encoder>::Error: std::fmt::Debug,
 {
     pub fn new<F: IntoService<S>>(framed: Framed<T, U>, service: F) -> Self {
-        FramedTransport {
+        let (tx, rx) = mpsc::channel();
+        Dispatcher {
             framed,
-            rx: None,
+            rx,
+            tx,
             service: service.into_service(),
-            state: TransportState::Processing,
-            inner: Cell::new(FramedTransportInner {
-                buf: VecDeque::new(),
-                task: LocalWaker::new(),
-            }),
+            state: State::Processing,
         }
     }
 
-    /// Get Sender
-    pub fn set_receiver(
-        mut self,
-        rx: mpsc::Receiver<FramedMessage<<U as Encoder>::Item>>,
+    /// Construct new `Dispatcher` instance with customer `mpsc::Receiver`
+    pub fn with_rx<F: IntoService<S>>(
+        framed: Framed<T, U>,
+        service: F,
+        rx: mpsc::Receiver<Result<Message<<U as Encoder>::Item>, S::Error>>,
     ) -> Self {
-        self.rx = Some(rx);
-        self
+        let tx = rx.sender();
+        Dispatcher {
+            framed,
+            rx,
+            tx,
+            service: service.into_service(),
+            state: State::Processing,
+        }
     }
 
-    /// Get reference to a service wrapped by `FramedTransport` instance.
+    /// Get sink
+    pub fn get_sink(&self) -> mpsc::Sender<Result<Message<<U as Encoder>::Item>, S::Error>> {
+        self.tx.clone()
+    }
+
+    /// Get reference to a service wrapped by `Dispatcher` instance.
     pub fn get_ref(&self) -> &S {
         &self.service
     }
 
-    /// Get mutable reference to a service wrapped by `FramedTransport`
-    /// instance.
+    /// Get mutable reference to a service wrapped by `Dispatcher` instance.
     pub fn get_mut(&mut self) -> &mut S {
         &mut self.service
     }
 
-    /// Get reference to a framed instance wrapped by `FramedTransport`
+    /// Get reference to a framed instance wrapped by `Dispatcher`
     /// instance.
     pub fn get_framed(&self) -> &Framed<T, U> {
         &self.framed
     }
 
-    /// Get mutable reference to a framed instance wrapped by `FramedTransport`
-    /// instance.
+    /// Get mutable reference to a framed instance wrapped by `Dispatcher` instance.
     pub fn get_framed_mut(&mut self) -> &mut Framed<T, U> {
         &mut self.framed
     }
+
+    fn poll_read(&mut self, cx: &mut Context<'_>) -> bool
+    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,
+    {
+        loop {
+            match self.service.poll_ready(cx) {
+                Poll::Ready(Ok(_)) => {
+                    let item = match self.framed.next_item(cx) {
+                        Poll::Ready(Some(Ok(el))) => el,
+                        Poll::Ready(Some(Err(err))) => {
+                            self.state = State::FramedError(DispatcherError::Decoder(err));
+                            return true;
+                        }
+                        Poll::Pending => return false,
+                        Poll::Ready(None) => {
+                            self.state = State::Stopping;
+                            return true;
+                        }
+                    };
+
+                    let tx = self.tx.clone();
+                    actix_rt::spawn(self.service.call(item).map(move |item| {
+                        let _ = tx.send(item.map(Message::Item));
+                    }));
+                }
+                Poll::Pending => return false,
+                Poll::Ready(Err(err)) => {
+                    self.state = State::Error(DispatcherError::Service(err));
+                    return true;
+                }
+            }
+        }
+    }
+
+    /// write to framed object
+    fn poll_write(&mut self, cx: &mut Context<'_>) -> bool
+    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,
+    {
+        loop {
+            while !self.framed.is_write_buf_full() {
+                match Pin::new(&mut self.rx).poll_next(cx) {
+                    Poll::Ready(Some(Ok(Message::Item(msg)))) => {
+                        if let Err(err) = self.framed.write(msg) {
+                            self.state = State::FramedError(DispatcherError::Encoder(err));
+                            return true;
+                        }
+                    }
+                    Poll::Ready(Some(Ok(Message::Close))) => {
+                        self.state = State::FlushAndStop;
+                        return true;
+                    }
+                    Poll::Ready(Some(Err(err))) => {
+                        self.state = State::Error(DispatcherError::Service(err));
+                        return true;
+                    }
+                    Poll::Ready(None) | Poll::Pending => break,
+                }
+            }
+
+            if !self.framed.is_write_buf_empty() {
+                match self.framed.flush(cx) {
+                    Poll::Pending => break,
+                    Poll::Ready(Ok(_)) => (),
+                    Poll::Ready(Err(err)) => {
+                        debug!("Error sending data: {:?}", err);
+                        self.state = State::FramedError(DispatcherError::Encoder(err));
+                        return true;
+                    }
+                }
+            } else {
+                break;
+            }
+        }
+
+        false
+    }
 }
 
-impl<S, T, U> Future for FramedTransport<S, T, U>
+impl<S, T, U> Future for Dispatcher<S, T, U>
 where
     S: Service<Request = Request<U>, Response = Response<U>>,
     S::Error: 'static,
@@ -175,210 +271,46 @@ where
     <U as Encoder>::Error: std::fmt::Debug,
     <U as Decoder>::Error: std::fmt::Debug,
 {
-    type Output = Result<(), FramedTransportError<S::Error, U>>;
+    type Output = Result<(), DispatcherError<S::Error, U>>;
 
-    fn poll(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
-        self.inner.get_ref().task.register(cx.waker());
+    fn poll(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
+        loop {
+            let this = self.as_mut().project();
 
-        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,
-    U: Decoder + Encoder,
-    <U as Encoder>::Item: 'static,
-    <U as Encoder>::Error: std::fmt::Debug,
-{
-    match mem::replace(state, TransportState::Processing) {
-        TransportState::Processing => {
-            if poll_read(cx, srv, state, framed, inner)
-                || poll_write(cx, state, framed, rx, inner)
-            {
-                poll(cx, srv, state, framed, rx, inner)
-            } else {
-                Poll::Pending
-            }
-        }
-        TransportState::Error(err) => {
-            let is_empty = framed.is_write_buf_empty();
-            if is_empty || poll_write(cx, state, framed, rx, inner) {
-                Poll::Ready(Err(err))
-            } else {
-                *state = TransportState::Error(err);
-                Poll::Pending
-            }
-        }
-        TransportState::FlushAndStop => {
-            if !framed.is_write_buf_empty() {
-                match Pin::new(framed).poll_flush(cx) {
-                    Poll::Ready(Err(err)) => {
-                        debug!("Error sending data: {:?}", err);
+            return match this.state {
+                State::Processing => {
+                    if self.poll_read(cx) || self.poll_write(cx) {
+                        continue;
+                    } else {
+                        Poll::Pending
+                    }
+                }
+                State::Error(_) => {
+                    // flush write buffer
+                    if !self.framed.is_write_buf_empty() {
+                        if let Poll::Pending = self.framed.flush(cx) {
+                            return Poll::Pending;
+                        }
+                    }
+                    Poll::Ready(Err(self.state.take_error()))
+                }
+                State::FlushAndStop => {
+                    if !this.framed.is_write_buf_empty() {
+                        match this.framed.flush(cx) {
+                            Poll::Ready(Err(err)) => {
+                                debug!("Error sending data: {:?}", err);
+                                Poll::Ready(Ok(()))
+                            }
+                            Poll::Pending => Poll::Pending,
+                            Poll::Ready(Ok(_)) => Poll::Ready(Ok(())),
+                        }
+                    } else {
                         Poll::Ready(Ok(()))
                     }
-                    Poll::Pending => Poll::Pending,
-                    Poll::Ready(Ok(_)) => Poll::Ready(Ok(())),
                 }
-            } else {
-                Poll::Ready(Ok(()))
-            }
-        }
-        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,
-    U: Decoder + Encoder,
-    <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(())
-                });
-                actix_rt::spawn(fut);
-            }
-            Poll::Pending => return false,
-            Poll::Ready(Err(err)) => {
-                *state = TransportState::Error(FramedTransportError::Service(err));
-                return true;
-            }
+                State::FramedError(_) => Poll::Ready(Err(this.state.take_framed_error())),
+                State::Stopping => Poll::Ready(Ok(())),
+            };
         }
     }
 }
-
-/// 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,
-    U: Decoder + Encoder,
-    <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.write(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.write(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

@@ -115,7 +115,7 @@ mod tests {
     use std::time::Duration;
 
     use super::*;
-    use actix_service::{apply, factory_fn, Service, ServiceFactory};
+    use actix_service::{apply, fn_factory, Service, ServiceFactory};
     use futures::future::{lazy, ok, FutureExt, LocalBoxFuture};
 
     struct SleepService(Duration);
@@ -155,7 +155,7 @@ mod tests {
     async fn test_newtransform() {
         let wait_time = Duration::from_millis(50);
 
-        let srv = apply(InFlight::new(1), factory_fn(|| ok(SleepService(wait_time))));
+        let srv = apply(InFlight::new(1), fn_factory(|| ok(SleepService(wait_time))));
 
         let mut srv = srv.new_service(&()).await.unwrap();
         assert_eq!(lazy(|cx| srv.poll_ready(cx)).await, Poll::Ready(Ok(())));

actix-utils/src/lib.rs

@@ -3,6 +3,7 @@
 #![allow(clippy::type_complexity)]
 
 mod cell;
+pub mod condition;
 pub mod counter;
 pub mod either;
 pub mod framed;

actix-utils/src/mpsc.rs

@@ -1,34 +1,27 @@
-//! 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.
-
+//! A multi-producer, single-consumer, futures-aware, FIFO queue.
 use std::any::Any;
-use std::cell::RefCell;
 use std::collections::VecDeque;
 use std::error::Error;
+use std::fmt;
 use std::pin::Pin;
-use std::rc::{Rc, Weak};
 use std::task::{Context, Poll};
-use std::{fmt, mem};
 
 use futures::{Sink, Stream};
 
+use crate::cell::Cell;
 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 {
+    let shared = Cell::new(Shared {
+        has_receiver: true,
         buffer: VecDeque::new(),
         blocked_recv: LocalWaker::new(),
-    }));
+    });
     let sender = Sender {
-        shared: Rc::downgrade(&shared),
-    };
-    let receiver = Receiver {
-        state: State::Open(shared),
+        shared: shared.clone(),
     };
+    let receiver = Receiver { shared };
     (sender, receiver)
 }
 
@@ -36,6 +29,7 @@ pub fn channel<T>() -> (Sender<T>, Receiver<T>) {
 struct Shared<T> {
     buffer: VecDeque<T>,
     blocked_recv: LocalWaker,
+    has_receiver: bool,
 }
 
 /// The transmission end of a channel.
@@ -43,22 +37,30 @@ struct Shared<T> {
 /// This is created by the `channel` function.
 #[derive(Debug)]
 pub struct Sender<T> {
-    shared: Weak<RefCell<Shared<T>>>,
+    shared: Cell<Shared<T>>,
 }
 
+impl<T> Unpin for Sender<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 shared = unsafe { self.shared.get_mut_unsafe() };
+        if !shared.has_receiver {
+            return Err(SendError(item)); // receiver was dropped
         };
-        let mut shared = shared.borrow_mut();
-
         shared.buffer.push_back(item);
         shared.blocked_recv.wake();
         Ok(())
     }
+
+    /// Closes the sender 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) {
+        self.shared.get_mut().has_receiver = false;
+    }
 }
 
 impl<T> Clone for Sender<T> {
@@ -91,17 +93,13 @@ impl<T> Sink<T> for Sender<T> {
 
 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 {
+        let count = self.shared.strong_count();
+        let shared = self.shared.get_mut();
+
+        // check is last sender is about to drop
+        if shared.has_receiver && count == 2 {
             // Wake up receiver as its stream has ended
-            shared.borrow_mut().blocked_recv.wake();
+            shared.blocked_recv.wake();
         }
     }
 }
@@ -111,56 +109,32 @@ impl<T> Drop for Sender<T> {
 /// 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>),
+    shared: Cell<Shared<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();
-                mem::replace(&mut state.buffer, VecDeque::new())
-            }
-            State::Closed(_) => return,
-        };
-        self.state = State::Closed(items);
+    /// Create Sender
+    pub fn sender(&self) -> Sender<T> {
+        Sender {
+            shared: self.shared.clone(),
+        }
     }
 }
 
+impl<T> Unpin for Receiver<T> {}
+
 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) {
+        if self.shared.strong_count() == 1 {
             // 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(self.shared.get_mut().buffer.pop_front())
+        } else if let Some(msg) = self.shared.get_mut().buffer.pop_front() {
             Poll::Ready(Some(msg))
         } else {
-            shared.blocked_recv.register(cx.waker());
+            self.shared.get_mut().blocked_recv.register(cx.waker());
             Poll::Pending
         }
     }
@@ -168,7 +142,9 @@ impl<T> Stream for Receiver<T> {
 
 impl<T> Drop for Receiver<T> {
     fn drop(&mut self) {
-        self.close();
+        let shared = self.shared.get_mut();
+        shared.buffer.clear();
+        shared.has_receiver = false;
     }
 }
 
@@ -200,3 +176,44 @@ impl<T> SendError<T> {
         self.0
     }
 }
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    use futures::future::lazy;
+    use futures::{Stream, StreamExt};
+
+    #[actix_rt::test]
+    async fn test_mpsc() {
+        let (tx, mut rx) = channel();
+        tx.send("test").unwrap();
+        assert_eq!(rx.next().await.unwrap(), "test");
+
+        let tx2 = tx.clone();
+        tx2.send("test2").unwrap();
+        assert_eq!(rx.next().await.unwrap(), "test2");
+
+        assert_eq!(
+            lazy(|cx| Pin::new(&mut rx).poll_next(cx)).await,
+            Poll::Pending
+        );
+        drop(tx2);
+        assert_eq!(
+            lazy(|cx| Pin::new(&mut rx).poll_next(cx)).await,
+            Poll::Pending
+        );
+        drop(tx);
+        assert_eq!(rx.next().await, None);
+
+        let (tx, rx) = channel();
+        tx.send("test").unwrap();
+        drop(rx);
+        assert!(tx.send("test").is_err());
+
+        let (mut tx, _) = channel();
+        let tx2 = tx.clone();
+        tx.close();
+        assert!(tx.send("test").is_err());
+        assert!(tx2.send("test").is_err());
+    }
+}

actix-utils/src/oneshot.rs

@@ -1,69 +1,51 @@
-//! A one-shot, futures-aware channel
-//!
-//! This channel is similar to that in `sync::oneshot` but cannot be sent across
-//! threads.
-
+//! A one-shot, futures-aware channel.
 use std::future::Future;
 use std::pin::Pin;
-use std::rc::Rc;
 use std::task::{Context, Poll};
 
 pub use futures::channel::oneshot::Canceled;
+use slab::Slab;
 
-use crate::cell::{Cell, WeakCell};
+use crate::cell::Cell;
 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 = Cell::new(Inner {
         value: None,
         rx_task: LocalWaker::new(),
     });
     let tx = Sender {
-        inner: inner.downgrade(),
-    };
-    let rx = Receiver {
-        state: State::Open(inner),
+        inner: inner.clone(),
     };
+    let rx = Receiver { inner };
     (tx, rx)
 }
 
+/// Creates a new futures-aware, pool of one-shot's.
+pub fn pool<T>() -> Pool<T> {
+    Pool(Cell::new(Slab::new()))
+}
+
 /// 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: WeakCell<Inner<T>>,
+    inner: Cell<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>,
+    inner: Cell<Inner<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(Cell<Inner<T>>),
-    Closed(Option<T>),
-}
-
 #[derive(Debug)]
 struct Inner<T> {
     value: Option<T>,
@@ -78,12 +60,12 @@ impl<T> Sender<T> {
     /// represents.
     ///
     /// If the value is successfully enqueued for the remote end to receive,
-    /// then `Ok(())` is returned. If the receiving end was deallocated before
+    /// then `Ok(())` is returned. If the receiving end was dropped 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(mut inner) = self.inner.upgrade() {
-            let inner = inner.get_mut();
+    pub fn send(mut self, val: T) -> Result<(), T> {
+        if self.inner.strong_count() == 2 {
+            let inner = self.inner.get_mut();
             inner.value = Some(val);
             inner.rx_task.wake();
             Ok(())
@@ -94,45 +76,14 @@ impl<T> Sender<T> {
 
     /// 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_none()
+        self.inner.strong_count() == 1
     }
 }
 
 impl<T> Drop for Sender<T> {
     fn drop(&mut self) {
-        if let Some(inner) = self.inner.upgrade() {
-            inner.get_ref().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 mut inner) => {
-                let value = inner.get_mut().value.take();
-                self.state = State::Closed(value);
-            }
-            State::Closed(_) => {}
-        };
+        self.inner.get_ref().rx_task.wake();
     }
 }
 
@@ -142,33 +93,219 @@ impl<T> Future for Receiver<T> {
     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)),
-                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.get_mut().value.take() {
+        if let Some(val) = this.inner.get_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(&mut inner.inner).is_some() {
+        // Check if sender is dropped and return error if it is.
+        if this.inner.strong_count() == 1 {
             Poll::Ready(Err(Canceled))
         } else {
-            inner.get_ref().rx_task.register(cx.waker());
+            this.inner.get_ref().rx_task.register(cx.waker());
             Poll::Pending
         }
     }
 }
 
-impl<T> Drop for Receiver<T> {
-    fn drop(&mut self) {
-        self.close();
+/// Futures-aware, pool of one-shot's.
+pub struct Pool<T>(Cell<Slab<PoolInner<T>>>);
+
+bitflags::bitflags! {
+    pub struct Flags: u8 {
+        const SENDER = 0b0000_0001;
+        const RECEIVER = 0b0000_0010;
+    }
+}
+
+#[derive(Debug)]
+struct PoolInner<T> {
+    flags: Flags,
+    value: Option<T>,
+    waker: LocalWaker,
+}
+
+impl<T> Pool<T> {
+    pub fn channel(&mut self) -> (PSender<T>, PReceiver<T>) {
+        let token = self.0.get_mut().insert(PoolInner {
+            flags: Flags::all(),
+            value: None,
+            waker: LocalWaker::default(),
+        });
+
+        (
+            PSender {
+                token,
+                inner: self.0.clone(),
+            },
+            PReceiver {
+                token,
+                inner: self.0.clone(),
+            },
+        )
+    }
+}
+
+impl<T> Clone for Pool<T> {
+    fn clone(&self) -> Self {
+        Pool(self.0.clone())
+    }
+}
+
+/// Represents the completion half of a oneshot through which the result of a
+/// computation is signaled.
+#[derive(Debug)]
+pub struct PSender<T> {
+    token: usize,
+    inner: Cell<Slab<PoolInner<T>>>,
+}
+
+/// A future representing the completion of a computation happening elsewhere in
+/// memory.
+#[derive(Debug)]
+#[must_use = "futures do nothing unless polled"]
+pub struct PReceiver<T> {
+    token: usize,
+    inner: Cell<Slab<PoolInner<T>>>,
+}
+
+// The oneshots do not ever project Pin to the inner T
+impl<T> Unpin for PReceiver<T> {}
+impl<T> Unpin for PSender<T> {}
+
+impl<T> PSender<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 dropped before
+    /// this function was called, however, then `Err` is returned with the value
+    /// provided.
+    pub fn send(mut self, val: T) -> Result<(), T> {
+        let inner = unsafe { self.inner.get_mut().get_unchecked_mut(self.token) };
+
+        if inner.flags.contains(Flags::RECEIVER) {
+            inner.value = Some(val);
+            inner.waker.wake();
+            Ok(())
+        } else {
+            Err(val)
+        }
+    }
+
+    /// Tests to see whether this `Sender`'s corresponding `Receiver`
+    /// has gone away.
+    pub fn is_canceled(&self) -> bool {
+        !unsafe { self.inner.get_ref().get_unchecked(self.token) }
+            .flags
+            .contains(Flags::RECEIVER)
+    }
+}
+
+impl<T> Drop for PSender<T> {
+    fn drop(&mut self) {
+        let inner = unsafe { self.inner.get_mut().get_unchecked_mut(self.token) };
+        if inner.flags.contains(Flags::RECEIVER) {
+            inner.waker.wake();
+            inner.flags.remove(Flags::SENDER);
+        } else {
+            self.inner.get_mut().remove(self.token);
+        }
+    }
+}
+
+impl<T> Drop for PReceiver<T> {
+    fn drop(&mut self) {
+        let inner = unsafe { self.inner.get_mut().get_unchecked_mut(self.token) };
+        if inner.flags.contains(Flags::SENDER) {
+            inner.flags.remove(Flags::RECEIVER);
+        } else {
+            self.inner.get_mut().remove(self.token);
+        }
+    }
+}
+
+impl<T> Future for PReceiver<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 = unsafe { this.inner.get_mut().get_unchecked_mut(this.token) };
+
+        // If we've got a value, then skip the logic below as we're done.
+        if let Some(val) = inner.value.take() {
+            return Poll::Ready(Ok(val));
+        }
+
+        // Check if sender is dropped and return error if it is.
+        if !inner.flags.contains(Flags::SENDER) {
+            Poll::Ready(Err(Canceled))
+        } else {
+            inner.waker.register(cx.waker());
+            Poll::Pending
+        }
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    use futures::future::lazy;
+
+    #[actix_rt::test]
+    async fn test_oneshot() {
+        let (tx, rx) = channel();
+        tx.send("test").unwrap();
+        assert_eq!(rx.await.unwrap(), "test");
+
+        let (tx, rx) = channel();
+        assert!(!tx.is_canceled());
+        drop(rx);
+        assert!(tx.is_canceled());
+        assert!(tx.send("test").is_err());
+
+        let (tx, rx) = channel::<&'static str>();
+        drop(tx);
+        assert!(rx.await.is_err());
+
+        let (tx, mut rx) = channel::<&'static str>();
+        assert_eq!(lazy(|cx| Pin::new(&mut rx).poll(cx)).await, Poll::Pending);
+        tx.send("test").unwrap();
+        assert_eq!(rx.await.unwrap(), "test");
+
+        let (tx, mut rx) = channel::<&'static str>();
+        assert_eq!(lazy(|cx| Pin::new(&mut rx).poll(cx)).await, Poll::Pending);
+        drop(tx);
+        assert!(rx.await.is_err());
+    }
+
+    #[actix_rt::test]
+    async fn test_pool() {
+        let (tx, rx) = pool().channel();
+        tx.send("test").unwrap();
+        assert_eq!(rx.await.unwrap(), "test");
+
+        let (tx, rx) = pool().channel();
+        assert!(!tx.is_canceled());
+        drop(rx);
+        assert!(tx.is_canceled());
+        assert!(tx.send("test").is_err());
+
+        let (tx, rx) = pool::<&'static str>().channel();
+        drop(tx);
+        assert!(rx.await.is_err());
+
+        let (tx, mut rx) = pool::<&'static str>().channel();
+        assert_eq!(lazy(|cx| Pin::new(&mut rx).poll(cx)).await, Poll::Pending);
+        tx.send("test").unwrap();
+        assert_eq!(rx.await.unwrap(), "test");
+
+        let (tx, mut rx) = pool::<&'static str>().channel();
+        assert_eq!(lazy(|cx| Pin::new(&mut rx).poll(cx)).await, Poll::Pending);
+        drop(tx);
+        assert!(rx.await.is_err());
     }
 }

actix-utils/src/order.rs

@@ -105,7 +105,7 @@ where
 
 pub struct InOrderService<S: Service> {
     service: S,
-    task: Rc<LocalWaker>,
+    waker: Rc<LocalWaker>,
     acks: VecDeque<Record<S::Response, S::Error>>,
 }
 
@@ -123,7 +123,7 @@ where
         Self {
             service: service.into_service(),
             acks: VecDeque::new(),
-            task: Rc::new(LocalWaker::new()),
+            waker: Rc::new(LocalWaker::new()),
         }
     }
 }
@@ -142,7 +142,7 @@ where
 
     fn poll_ready(&mut self, cx: &mut Context<'_>) -> Poll<Result<(), Self::Error>> {
         // poll_ready could be called from different task
-        self.task.register(cx.waker());
+        self.waker.register(cx.waker());
 
         // check acks
         while !self.acks.is_empty() {
@@ -172,11 +172,11 @@ where
         let (tx2, rx2) = oneshot::channel();
         self.acks.push_back(Record { rx: rx1, tx: tx2 });
 
-        let task = self.task.clone();
+        let waker = self.waker.clone();
         let fut = self.service.call(request);
         actix_rt::spawn(async move {
             let res = fut.await;
-            task.wake();
+            waker.wake();
             let _ = tx1.send(res);
         });
 
@@ -211,7 +211,7 @@ mod tests {
     use super::*;
     use actix_service::Service;
     use futures::channel::oneshot;
-    use futures::future::{lazy, FutureExt, LocalBoxFuture};
+    use futures::future::{lazy, poll_fn, FutureExt, LocalBoxFuture};
 
     struct Srv;
 
@@ -242,18 +242,21 @@ mod tests {
             let rx2 = rx2;
             let rx3 = rx3;
             let tx_stop = tx_stop;
-            let _ = actix_rt::System::new("test").block_on(async {
+            actix_rt::System::new("test").block_on(async {
                 let mut srv = InOrderService::new(Srv);
 
+                let _ = lazy(|cx| srv.poll_ready(cx)).await;
                 let res1 = srv.call(rx1);
                 let res2 = srv.call(rx2);
                 let res3 = srv.call(rx3);
 
-                let _ = lazy(|cx| srv.poll_ready(cx)).await;
-
-                // dispatcher do this
-                actix_rt::time::delay_for(Duration::from_millis(100)).await;
-                let _ = lazy(|cx| srv.poll_ready(cx)).await;
+                actix_rt::spawn(async move {
+                    poll_fn(|cx| {
+                        let _ = srv.poll_ready(cx);
+                        Poll::<()>::Pending
+                    })
+                    .await;
+                });
 
                 assert_eq!(res1.await.unwrap(), 1);
                 assert_eq!(res2.await.unwrap(), 2);

actix-utils/src/stream.rs

@@ -3,12 +3,12 @@ use std::pin::Pin;
 use std::task::{Context, Poll};
 
 use actix_service::{IntoService, Service};
-use futures::Stream;
+use futures::{FutureExt, Stream};
 
 use crate::mpsc;
 
 #[pin_project::pin_project]
-pub struct StreamDispatcher<S, T>
+pub struct Dispatcher<S, T>
 where
     S: Stream,
     T: Service<Request = S::Item, Response = ()> + 'static,
@@ -20,7 +20,7 @@ where
     err_tx: mpsc::Sender<T::Error>,
 }
 
-impl<S, T> StreamDispatcher<S, T>
+impl<S, T> Dispatcher<S, T>
 where
     S: Stream,
     T: Service<Request = S::Item, Response = ()> + 'static,
@@ -30,7 +30,7 @@ where
         F: IntoService<T>,
     {
         let (err_tx, err_rx) = mpsc::channel();
-        StreamDispatcher {
+        Dispatcher {
             err_rx,
             err_tx,
             stream,
@@ -39,7 +39,7 @@ where
     }
 }
 
-impl<S, T> Future for StreamDispatcher<S, T>
+impl<S, T> Future for Dispatcher<S, T>
 where
     S: Stream,
     T: Service<Request = S::Item, Response = ()> + 'static,
@@ -54,47 +54,23 @@ where
         }
 
         loop {
-            match this.service.poll_ready(cx)? {
+            return match this.service.poll_ready(cx)? {
                 Poll::Ready(_) => match this.stream.poll_next(cx) {
                     Poll::Ready(Some(item)) => {
-                        actix_rt::spawn(StreamDispatcherService {
-                            fut: this.service.call(item),
-                            stop: self.err_tx.clone(),
-                        });
+                        let stop = this.err_tx.clone();
+                        actix_rt::spawn(this.service.call(item).map(move |res| {
+                            if let Err(e) = res {
+                                let _ = stop.send(e);
+                            }
+                        }));
                         this = self.as_mut().project();
+                        continue;
                     }
-                    Poll::Pending => return Poll::Pending,
-                    Poll::Ready(None) => return Poll::Ready(Ok(())),
+                    Poll::Pending => Poll::Pending,
+                    Poll::Ready(None) => Poll::Ready(Ok(())),
                 },
-                Poll::Pending => return Poll::Pending,
-            }
-        }
-    }
-}
-
-#[pin_project::pin_project]
-struct StreamDispatcherService<F: Future, E> {
-    #[pin]
-    fut: F,
-    stop: mpsc::Sender<E>,
-}
-
-impl<F, E> Future for StreamDispatcherService<F, E>
-where
-    F: Future<Output = Result<(), E>>,
-{
-    type Output = ();
-
-    fn poll(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
-        let this = self.project();
-
-        match this.fut.poll(cx) {
-            Poll::Ready(Ok(_)) => Poll::Ready(()),
-            Poll::Pending => Poll::Pending,
-            Poll::Ready(Err(e)) => {
-                let _ = this.stop.send(e);
-                Poll::Ready(())
-            }
+                Poll::Pending => Poll::Pending,
+            };
         }
     }
 }

actix-utils/src/task.rs

@@ -34,11 +34,22 @@ impl LocalWaker {
         }
     }
 
+    #[inline]
+    /// Check if waker has been registered.
+    pub fn is_registed(&self) -> bool {
+        unsafe { (*self.waker.get()).is_some() }
+    }
+
     #[inline]
     /// Registers the waker to be notified on calls to `wake`.
-    pub fn register(&self, waker: &Waker) {
+    ///
+    /// Returns `true` if waker was registered before.
+    pub fn register(&self, waker: &Waker) -> bool {
         unsafe {
-            *self.waker.get() = Some(waker.clone());
+            let w = self.waker.get();
+            let is_registered = (*w).is_some();
+            *w = Some(waker.clone());
+            is_registered
         }
     }
 

actix-utils/src/timeout.rs

@@ -182,7 +182,7 @@ mod tests {
     use std::time::Duration;
 
     use super::*;
-    use actix_service::{apply, factory_fn, Service, ServiceFactory};
+    use actix_service::{apply, fn_factory, Service, ServiceFactory};
     use futures::future::{ok, FutureExt, LocalBoxFuture};
 
     struct SleepService(Duration);
@@ -229,7 +229,7 @@ mod tests {
 
         let timeout = apply(
             Timeout::new(resolution),
-            factory_fn(|| ok::<_, ()>(SleepService(wait_time))),
+            fn_factory(|| ok::<_, ()>(SleepService(wait_time))),
         );
         let mut srv = timeout.new_service(&()).await.unwrap();
 

router/CHANGES.md

@@ -1,5 +1,23 @@
 # Changes
 
+## [0.2.4] - 2019-12-31
+
+* Add `ResourceDef::resource_path_named()` path generation method
+
+## [0.2.3] - 2019-12-25
+
+* Add impl `IntoPattern` for `&String`
+
+## [0.2.2] - 2019-12-25
+
+* Use `IntoPattern` for `RouterBuilder::path()`
+
+## [0.2.1] - 2019-12-25
+
+* Add `IntoPattern` trait
+
+* Add multi-pattern resources
+
 ## [0.2.0] - 2019-12-07
 
 * Update http to 0.2

router/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "actix-router"
-version = "0.2.0"
+version = "0.2.4"
 authors = ["Nikolay Kim <fafhrd91@gmail.com>"]
 description = "Path router"
 keywords = ["actix"]
@@ -8,9 +8,7 @@ homepage = "https://actix.rs"
 repository = "https://github.com/actix/actix-net.git"
 documentation = "https://docs.rs/actix-router/"
 license = "MIT/Apache-2.0"
-exclude = [".gitignore", ".travis.yml", ".cargo/config", "appveyor.yml"]
 edition = "2018"
-workspace = ".."
 
 [lib]
 name = "actix_router"
@@ -21,8 +19,8 @@ default = ["http"]
 
 [dependencies]
 regex = "1.3.1"
-serde = "1.0.80"
-bytestring = "0.1.0"
+serde = "1.0.104"
+bytestring = "0.1.2"
 log = "0.4.8"
 http = { version="0.2.0", optional=true }
 

router/src/de.rs

@@ -492,7 +492,7 @@ mod tests {
 
     #[derive(Deserialize)]
     struct Id {
-        id: String,
+        _id: String,
     }
 
     #[derive(Debug, Deserialize)]

router/src/lib.rs

@@ -35,6 +35,100 @@ impl ResourcePath for bytestring::ByteString {
     }
 }
 
+/// Helper trait for type that could be converted to path pattern
+pub trait IntoPattern {
+    /// Signle patter
+    fn is_single(&self) -> bool;
+
+    fn patterns(&self) -> Vec<String>;
+}
+
+impl IntoPattern for String {
+    fn is_single(&self) -> bool {
+        true
+    }
+
+    fn patterns(&self) -> Vec<String> {
+        vec![self.clone()]
+    }
+}
+
+impl<'a> IntoPattern for &'a String {
+    fn is_single(&self) -> bool {
+        true
+    }
+
+    fn patterns(&self) -> Vec<String> {
+        vec![self.as_str().to_string()]
+    }
+}
+
+impl<'a> IntoPattern for &'a str {
+    fn is_single(&self) -> bool {
+        true
+    }
+
+    fn patterns(&self) -> Vec<String> {
+        vec![(*self).to_string()]
+    }
+}
+
+impl<T: AsRef<str>> IntoPattern for Vec<T> {
+    fn is_single(&self) -> bool {
+        self.len() == 1
+    }
+
+    fn patterns(&self) -> Vec<String> {
+        self.iter().map(|v| v.as_ref().to_string()).collect()
+    }
+}
+
+macro_rules! array_patterns (($tp:ty, $num:tt) => {
+    impl IntoPattern for [$tp; $num] {
+        fn is_single(&self) -> bool {
+            $num == 1
+        }
+
+        fn patterns(&self) -> Vec<String> {
+            self.iter().map(|v| v.to_string()).collect()
+        }
+    }
+});
+
+array_patterns!(&str, 1);
+array_patterns!(&str, 2);
+array_patterns!(&str, 3);
+array_patterns!(&str, 4);
+array_patterns!(&str, 5);
+array_patterns!(&str, 6);
+array_patterns!(&str, 7);
+array_patterns!(&str, 8);
+array_patterns!(&str, 9);
+array_patterns!(&str, 10);
+array_patterns!(&str, 11);
+array_patterns!(&str, 12);
+array_patterns!(&str, 13);
+array_patterns!(&str, 14);
+array_patterns!(&str, 15);
+array_patterns!(&str, 16);
+
+array_patterns!(String, 1);
+array_patterns!(String, 2);
+array_patterns!(String, 3);
+array_patterns!(String, 4);
+array_patterns!(String, 5);
+array_patterns!(String, 6);
+array_patterns!(String, 7);
+array_patterns!(String, 8);
+array_patterns!(String, 9);
+array_patterns!(String, 10);
+array_patterns!(String, 11);
+array_patterns!(String, 12);
+array_patterns!(String, 13);
+array_patterns!(String, 14);
+array_patterns!(String, 15);
+array_patterns!(String, 16);
+
 #[cfg(feature = "http")]
 mod url;
 

router/src/path.rs

@@ -1,5 +1,4 @@
 use std::ops::Index;
-use std::rc::Rc;
 
 use serde::de;
 
@@ -19,7 +18,7 @@ pub(crate) enum PathItem {
 pub struct Path<T> {
     path: T,
     pub(crate) skip: u16,
-    pub(crate) segments: Vec<(Rc<String>, PathItem)>,
+    pub(crate) segments: Vec<(&'static str, PathItem)>,
 }
 
 impl<T: Default> Default for Path<T> {
@@ -96,7 +95,7 @@ impl<T: ResourcePath> Path<T> {
         self.skip += n;
     }
 
-    pub(crate) fn add(&mut self, name: Rc<String>, value: PathItem) {
+    pub(crate) fn add(&mut self, name: &'static str, value: PathItem) {
         match value {
             PathItem::Static(s) => self.segments.push((name, PathItem::Static(s))),
             PathItem::Segment(begin, end) => self
@@ -106,9 +105,8 @@ impl<T: ResourcePath> Path<T> {
     }
 
     #[doc(hidden)]
-    pub fn add_static(&mut self, name: &str, value: &'static str) {
-        self.segments
-            .push((Rc::new(name.to_string()), PathItem::Static(value)));
+    pub fn add_static(&mut self, name: &'static str, value: &'static str) {
+        self.segments.push((name, PathItem::Static(value)));
     }
 
     #[inline]
@@ -126,7 +124,7 @@ impl<T: ResourcePath> Path<T> {
     /// Get matched parameter by name without type conversion
     pub fn get(&self, key: &str) -> Option<&str> {
         for item in self.segments.iter() {
-            if key == item.0.as_str() {
+            if key == item.0 {
                 return match item.1 {
                     PathItem::Static(ref s) => Some(&s),
                     PathItem::Segment(s, e) => {

router/src/resource.rs

@@ -1,11 +1,11 @@
 use std::cmp::min;
+use std::collections::HashMap;
 use std::hash::{Hash, Hasher};
-use std::rc::Rc;
 
-use regex::{escape, Regex};
+use regex::{escape, Regex, RegexSet};
 
 use crate::path::{Path, PathItem};
-use crate::{Resource, ResourcePath};
+use crate::{IntoPattern, Resource, ResourcePath};
 
 const MAX_DYNAMIC_SEGMENTS: usize = 16;
 
@@ -31,22 +31,56 @@ enum PatternElement {
 enum PatternType {
     Static(String),
     Prefix(String),
-    Dynamic(Regex, Vec<Rc<String>>, usize),
+    Dynamic(Regex, Vec<&'static str>, usize),
+    DynamicSet(RegexSet, Vec<(Regex, Vec<&'static str>, usize)>),
 }
 
 impl ResourceDef {
     /// Parse path pattern and create new `Pattern` instance.
     ///
-    /// Panics if path pattern is wrong.
-    pub fn new(path: &str) -> Self {
-        ResourceDef::with_prefix(path, false)
+    /// Panics if path pattern is malformed.
+    pub fn new<T: IntoPattern>(path: T) -> Self {
+        if path.is_single() {
+            let patterns = path.patterns();
+            ResourceDef::with_prefix(&patterns[0], false)
+        } else {
+            let set = path.patterns();
+            let mut data = Vec::new();
+            let mut re_set = Vec::new();
+
+            for path in set {
+                let (pattern, _, _, len) = ResourceDef::parse(&path, false);
+
+                let re = match Regex::new(&pattern) {
+                    Ok(re) => re,
+                    Err(err) => panic!("Wrong path pattern: \"{}\" {}", path, err),
+                };
+                // actix creates one router per thread
+                let names: Vec<_> = re
+                    .capture_names()
+                    .filter_map(|name| {
+                        name.map(|name| Box::leak(Box::new(name.to_owned())).as_str())
+                    })
+                    .collect();
+                data.push((re, names, len));
+                re_set.push(pattern);
+            }
+
+            ResourceDef {
+                id: 0,
+                tp: PatternType::DynamicSet(RegexSet::new(re_set).unwrap(), data),
+                elements: Vec::new(),
+                name: String::new(),
+                pattern: "".to_owned(),
+            }
+        }
     }
 
     /// Parse path pattern and create new `Pattern` instance.
     ///
     /// Use `prefix` type instead of `static`.
     ///
-    /// Panics if path regex pattern is wrong.
+    /// Panics if path regex pattern is malformed.
     pub fn prefix(path: &str) -> Self {
         ResourceDef::with_prefix(path, true)
     }
@@ -57,7 +91,7 @@ impl ResourceDef {
     ///
     /// Use `prefix` type instead of `static`.
     ///
-    /// Panics if path regex pattern is wrong.
+    /// Panics if path regex pattern is malformed.
     pub fn root_prefix(path: &str) -> Self {
         ResourceDef::with_prefix(&insert_slash(path), true)
     }
@@ -85,7 +119,9 @@ impl ResourceDef {
             // actix creates one router per thread
             let names = re
                 .capture_names()
-                .filter_map(|name| name.map(|name| Rc::new(name.to_owned())))
+                .filter_map(|name| {
+                    name.map(|name| Box::leak(Box::new(name.to_owned())).as_str())
+                })
                 .collect();
             PatternType::Dynamic(re, names, len)
         } else if for_prefix {
@@ -123,8 +159,9 @@ impl ResourceDef {
     pub fn is_match(&self, path: &str) -> bool {
         match self.tp {
             PatternType::Static(ref s) => s == path,
-            PatternType::Dynamic(ref re, _, _) => re.is_match(path),
             PatternType::Prefix(ref s) => path.starts_with(s),
+            PatternType::Dynamic(ref re, _, _) => re.is_match(path),
+            PatternType::DynamicSet(ref re, _) => re.is_match(path),
         }
     }
 
@@ -176,6 +213,30 @@ impl ResourceDef {
                 };
                 Some(min(plen, len))
             }
+            PatternType::DynamicSet(ref re, ref params) => {
+                if let Some(idx) = re.matches(path).into_iter().next() {
+                    let (ref pattern, _, len) = params[idx];
+                    if let Some(captures) = pattern.captures(path) {
+                        let mut pos = 0;
+                        let mut passed = false;
+                        for capture in captures.iter() {
+                            if let Some(ref m) = capture {
+                                if !passed {
+                                    passed = true;
+                                    continue;
+                                }
+
+                                pos = m.end();
+                            }
+                        }
+                        Some(pos + len)
+                    } else {
+                        None
+                    }
+                } else {
+                    None
+                }
+            }
         }
     }
 
@@ -190,6 +251,25 @@ impl ResourceDef {
                     false
                 }
             }
+            PatternType::Prefix(ref s) => {
+                let rpath = path.path();
+                let len = if s == rpath {
+                    s.len()
+                } else if rpath.starts_with(s)
+                    && (s.ends_with('/') || rpath.split_at(s.len()).1.starts_with('/'))
+                {
+                    if s.ends_with('/') {
+                        s.len() - 1
+                    } else {
+                        s.len()
+                    }
+                } else {
+                    return false;
+                };
+                let rpath_len = rpath.len();
+                path.skip(min(rpath_len, len) as u16);
+                true
+            }
             PatternType::Dynamic(ref re, ref names, len) => {
                 let mut idx = 0;
                 let mut pos = 0;
@@ -214,29 +294,45 @@ impl ResourceDef {
                     return false;
                 }
                 for idx in 0..idx {
-                    path.add(names[idx].clone(), segments[idx]);
+                    path.add(names[idx], segments[idx]);
                 }
                 path.skip((pos + len) as u16);
                 true
             }
-            PatternType::Prefix(ref s) => {
-                let rpath = path.path();
-                let len = if s == rpath {
-                    s.len()
-                } else if rpath.starts_with(s)
-                    && (s.ends_with('/') || rpath.split_at(s.len()).1.starts_with('/'))
-                {
-                    if s.ends_with('/') {
-                        s.len() - 1
+            PatternType::DynamicSet(ref re, ref params) => {
+                if let Some(idx) = re.matches(path.path()).into_iter().next() {
+                    let (ref pattern, ref names, len) = params[idx];
+                    let mut idx = 0;
+                    let mut pos = 0;
+                    let mut segments: [PathItem; MAX_DYNAMIC_SEGMENTS] =
+                        [PathItem::Static(""); MAX_DYNAMIC_SEGMENTS];
+
+                    if let Some(captures) = pattern.captures(path.path()) {
+                        for (no, name) in names.iter().enumerate() {
+                            if let Some(m) = captures.name(&name) {
+                                idx += 1;
+                                pos = m.end();
+                                segments[no] =
+                                    PathItem::Segment(m.start() as u16, m.end() as u16);
+                            } else {
+                                log::error!(
+                                    "Dynamic path match but not all segments found: {}",
+                                    name
+                                );
+                                return false;
+                            }
+                        }
                     } else {
-                        s.len()
+                        return false;
                     }
+                    for idx in 0..idx {
+                        path.add(names[idx], segments[idx]);
+                    }
+                    path.skip((pos + len) as u16);
+                    true
                 } else {
-                    return false;
-                };
-                let rpath_len = rpath.len();
-                path.skip(min(rpath_len, len) as u16);
-                true
+                    false
+                }
             }
         }
     }
@@ -263,6 +359,30 @@ impl ResourceDef {
                     false
                 }
             }
+            PatternType::Prefix(ref s) => {
+                let len = {
+                    let rpath = res.resource_path().path();
+                    if s == rpath {
+                        s.len()
+                    } else if rpath.starts_with(s)
+                        && (s.ends_with('/') || rpath.split_at(s.len()).1.starts_with('/'))
+                    {
+                        if s.ends_with('/') {
+                            s.len() - 1
+                        } else {
+                            s.len()
+                        }
+                    } else {
+                        return false;
+                    }
+                };
+                if !check(res, user_data) {
+                    return false;
+                }
+                let path = res.resource_path();
+                path.skip(min(path.path().len(), len) as u16);
+                true
+            }
             PatternType::Dynamic(ref re, ref names, len) => {
                 let mut idx = 0;
                 let mut pos = 0;
@@ -293,34 +413,52 @@ impl ResourceDef {
 
                 let path = res.resource_path();
                 for idx in 0..idx {
-                    path.add(names[idx].clone(), segments[idx]);
+                    path.add(names[idx], segments[idx]);
                 }
                 path.skip((pos + len) as u16);
                 true
             }
-            PatternType::Prefix(ref s) => {
-                let len = {
-                    let rpath = res.resource_path().path();
-                    if s == rpath {
-                        s.len()
-                    } else if rpath.starts_with(s)
-                        && (s.ends_with('/') || rpath.split_at(s.len()).1.starts_with('/'))
-                    {
-                        if s.ends_with('/') {
-                            s.len() - 1
-                        } else {
-                            s.len()
+            PatternType::DynamicSet(ref re, ref params) => {
+                let path = res.resource_path().path();
+                if let Some(idx) = re.matches(path).into_iter().next() {
+                    let (ref pattern, ref names, len) = params[idx];
+                    let mut idx = 0;
+                    let mut pos = 0;
+                    let mut segments: [PathItem; MAX_DYNAMIC_SEGMENTS] =
+                        [PathItem::Static(""); MAX_DYNAMIC_SEGMENTS];
+
+                    if let Some(captures) = pattern.captures(path) {
+                        for (no, name) in names.iter().enumerate() {
+                            if let Some(m) = captures.name(&name) {
+                                idx += 1;
+                                pos = m.end();
+                                segments[no] =
+                                    PathItem::Segment(m.start() as u16, m.end() as u16);
+                            } else {
+                                log::error!(
+                                    "Dynamic path match but not all segments found: {}",
+                                    name
+                                );
+                                return false;
+                            }
                         }
                     } else {
                         return false;
                     }
-                };
-                if !check(res, user_data) {
-                    return false;
+
+                    if !check(res, user_data) {
+                        return false;
+                    }
+
+                    let path = res.resource_path();
+                    for idx in 0..idx {
+                        path.add(names[idx], segments[idx]);
+                    }
+                    path.skip((pos + len) as u16);
+                    true
+                } else {
+                    false
                 }
-                let path = res.resource_path();
-                path.skip(min(path.path().len(), len) as u16);
-                true
             }
         }
     }
@@ -348,7 +486,45 @@ impl ResourceDef {
                     }
                 }
             }
-        };
+            PatternType::DynamicSet(..) => {
+                return false;
+            }
+        }
+        true
+    }
+
+    /// Build resource path from elements. Returns `true` on success.
+    pub fn resource_path_named<K, V, S>(
+        &self,
+        path: &mut String,
+        elements: &HashMap<K, V, S>,
+    ) -> bool
+    where
+        K: std::borrow::Borrow<str> + Eq + Hash,
+        V: AsRef<str>,
+        S: std::hash::BuildHasher,
+    {
+        match self.tp {
+            PatternType::Prefix(ref p) => path.push_str(p),
+            PatternType::Static(ref p) => path.push_str(p),
+            PatternType::Dynamic(..) => {
+                for el in &self.elements {
+                    match *el {
+                        PatternElement::Str(ref s) => path.push_str(s),
+                        PatternElement::Var(ref name) => {
+                            if let Some(val) = elements.get(name) {
+                                path.push_str(val.as_ref())
+                            } else {
+                                return false;
+                            }
+                        }
+                    }
+                }
+            }
+            PatternType::DynamicSet(..) => {
+                return false;
+            }
+        }
         true
     }
 
@@ -476,7 +652,7 @@ impl<'a> From<&'a str> for ResourceDef {
 
 impl From<String> for ResourceDef {
     fn from(path: String) -> ResourceDef {
-        ResourceDef::new(&path)
+        ResourceDef::new(path)
     }
 }
 
@@ -558,6 +734,66 @@ mod tests {
         assert_eq!(path.get("id").unwrap(), "012345");
     }
 
+    #[allow(clippy::cognitive_complexity)]
+    #[test]
+    fn test_dynamic_set() {
+        let re = ResourceDef::new(vec![
+            "/user/{id}",
+            "/v{version}/resource/{id}",
+            "/{id:[[:digit:]]{6}}",
+        ]);
+        assert!(re.is_match("/user/profile"));
+        assert!(re.is_match("/user/2345"));
+        assert!(!re.is_match("/user/2345/"));
+        assert!(!re.is_match("/user/2345/sdg"));
+
+        let mut path = Path::new("/user/profile");
+        assert!(re.match_path(&mut path));
+        assert_eq!(path.get("id").unwrap(), "profile");
+
+        let mut path = Path::new("/user/1245125");
+        assert!(re.match_path(&mut path));
+        assert_eq!(path.get("id").unwrap(), "1245125");
+
+        assert!(re.is_match("/v1/resource/320120"));
+        assert!(!re.is_match("/v/resource/1"));
+        assert!(!re.is_match("/resource"));
+
+        let mut path = Path::new("/v151/resource/adahg32");
+        assert!(re.match_path(&mut path));
+        assert_eq!(path.get("version").unwrap(), "151");
+        assert_eq!(path.get("id").unwrap(), "adahg32");
+
+        assert!(re.is_match("/012345"));
+        assert!(!re.is_match("/012"));
+        assert!(!re.is_match("/01234567"));
+        assert!(!re.is_match("/XXXXXX"));
+
+        let mut path = Path::new("/012345");
+        assert!(re.match_path(&mut path));
+        assert_eq!(path.get("id").unwrap(), "012345");
+
+        let re = ResourceDef::new([
+            "/user/{id}",
+            "/v{version}/resource/{id}",
+            "/{id:[[:digit:]]{6}}",
+        ]);
+        assert!(re.is_match("/user/profile"));
+        assert!(re.is_match("/user/2345"));
+        assert!(!re.is_match("/user/2345/"));
+        assert!(!re.is_match("/user/2345/sdg"));
+
+        let re = ResourceDef::new([
+            "/user/{id}".to_string(),
+            "/v{version}/resource/{id}".to_string(),
+            "/{id:[[:digit:]]{6}}".to_string(),
+        ]);
+        assert!(re.is_match("/user/profile"));
+        assert!(re.is_match("/user/2345"));
+        assert!(!re.is_match("/user/2345/"));
+        assert!(!re.is_match("/user/2345/sdg"));
+    }
+
     #[test]
     fn test_parse_tail() {
         let re = ResourceDef::new("/user/-{id}*");
@@ -659,4 +895,50 @@ mod tests {
         assert_eq!(&path["name"], "test2");
         assert_eq!(&path[0], "test2");
     }
+
+    #[test]
+    fn test_resource_path() {
+        let mut s = String::new();
+        let resource = ResourceDef::new("/user/{item1}/test");
+        assert!(resource.resource_path(&mut s, &mut (&["user1"]).iter()));
+        assert_eq!(s, "/user/user1/test");
+
+        let mut s = String::new();
+        let resource = ResourceDef::new("/user/{item1}/{item2}/test");
+        assert!(resource.resource_path(&mut s, &mut (&["item", "item2"]).iter()));
+        assert_eq!(s, "/user/item/item2/test");
+
+        let mut s = String::new();
+        let resource = ResourceDef::new("/user/{item1}/{item2}");
+        assert!(resource.resource_path(&mut s, &mut (&["item", "item2"]).iter()));
+        assert_eq!(s, "/user/item/item2");
+
+        let mut s = String::new();
+        let resource = ResourceDef::new("/user/{item1}/{item2}/");
+        assert!(resource.resource_path(&mut s, &mut (&["item", "item2"]).iter()));
+        assert_eq!(s, "/user/item/item2/");
+
+        let mut s = String::new();
+        assert!(!resource.resource_path(&mut s, &mut (&["item"]).iter()));
+
+        let mut s = String::new();
+        assert!(resource.resource_path(&mut s, &mut (&["item", "item2"]).iter()));
+        assert_eq!(s, "/user/item/item2/");
+        assert!(!resource.resource_path(&mut s, &mut (&["item"]).iter()));
+
+        let mut s = String::new();
+        assert!(resource.resource_path(&mut s, &mut vec!["item", "item2"].into_iter()));
+        assert_eq!(s, "/user/item/item2/");
+
+        let mut map = HashMap::new();
+        map.insert("item1", "item");
+
+        let mut s = String::new();
+        assert!(!resource.resource_path_named(&mut s, &map));
+
+        let mut s = String::new();
+        map.insert("item2", "item2");
+        assert!(resource.resource_path_named(&mut s, &map));
+        assert_eq!(s, "/user/item/item2/");
+    }
 }

router/src/router.rs

@@ -1,4 +1,4 @@
-use crate::{Resource, ResourceDef, ResourcePath};
+use crate::{IntoPattern, Resource, ResourceDef, ResourcePath};
 
 #[derive(Debug, Copy, Clone, PartialEq)]
 pub struct ResourceId(pub u16);
@@ -70,7 +70,11 @@ pub struct RouterBuilder<T, U = ()> {
 
 impl<T, U> RouterBuilder<T, U> {
     /// Register resource for specified path.
-    pub fn path(&mut self, path: &str, resource: T) -> &mut (ResourceDef, T, Option<U>) {
+    pub fn path<P: IntoPattern>(
+        &mut self,
+        path: P,
+        resource: T,
+    ) -> &mut (ResourceDef, T, Option<U>) {
         self.resources
             .push((ResourceDef::new(path), resource, None));
         self.resources.last_mut().unwrap()
@@ -100,6 +104,7 @@ mod tests {
     use crate::path::Path;
     use crate::router::{ResourceId, Router};
 
+    #[allow(clippy::cognitive_complexity)]
     #[test]
     fn test_recognizer_1() {
         let mut router = Router::<usize>::build();

string/CHANGES.md

@@ -1,5 +1,23 @@
 # Changes
 
-[0.1.0] - 2019-12-07
+## [0.1.4] - 2020-01-14
+
+* Fix `AsRef<str>` impl
+
+## [0.1.3] - 2020-01-13
+
+* Add `PartialEq<T: AsRef<str>>`, `AsRef<[u8]>` impls
+
+## [0.1.2] - 2019-12-22
+
+* Fix `new()` method
+
+* Make `ByteString::from_static()` and `ByteString::from_bytes_unchecked()` methods const.
+
+## [0.1.1] - 2019-12-07
+
+* Fix hash impl
+
+## [0.1.0] - 2019-12-07
 
 * Initial release

string/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "bytestring"
-version = "0.1.0"
+version = "0.1.4"
 authors = ["Nikolay Kim <fafhrd91@gmail.com>"]
 description = "A UTF-8 encoded string with Bytes as a storage"
 keywords = ["actix"]
@@ -9,11 +9,10 @@ repository = "https://github.com/actix/actix-net.git"
 documentation = "https://docs.rs/bytestring/"
 license = "MIT/Apache-2.0"
 edition = "2018"
-workspace = ".."
 
 [lib]
 name = "bytestring"
 path = "src/lib.rs"
 
 [dependencies]
-bytes = "0.5.2"
+bytes = "0.5.3"

string/src/lib.rs

@@ -6,14 +6,14 @@ use bytes::Bytes;
 
 /// A utf-8 encoded string with [`Bytes`] as a storage.
 ///
-/// [`Bytes`]: https://docs.rs/bytes/0.5.2/bytes/struct.Bytes.html
-#[derive(Clone, Eq, PartialEq, Ord, PartialOrd, Default)]
+/// [`Bytes`]: https://docs.rs/bytes/0.5.3/bytes/struct.Bytes.html
+#[derive(Clone, Eq, Ord, PartialOrd, Default)]
 pub struct ByteString(Bytes);
 
 impl ByteString {
     /// Creates a new `ByteString`.
-    pub fn new() -> String {
-        String::default()
+    pub fn new() -> Self {
+        ByteString(Bytes::new())
     }
 
     /// Get a reference to the underlying bytes object.
@@ -27,12 +27,12 @@ impl ByteString {
     }
 
     /// Creates a new `ByteString` from a static str.
-    pub fn from_static(src: &'static str) -> ByteString {
-        Self(Bytes::from_static(src.as_ref()))
+    pub const fn from_static(src: &'static str) -> ByteString {
+        Self(Bytes::from_static(src.as_bytes()))
     }
 
     /// Creates a new `ByteString` from a Bytes.
-    pub unsafe fn from_bytes_unchecked(src: Bytes) -> ByteString {
+    pub const unsafe fn from_bytes_unchecked(src: Bytes) -> ByteString {
         Self(src)
     }
 }
@@ -43,9 +43,27 @@ impl PartialEq<str> for ByteString {
     }
 }
 
+impl<T: AsRef<str>> PartialEq<T> for ByteString {
+    fn eq(&self, other: &T) -> bool {
+        &self[..] == other.as_ref()
+    }
+}
+
+impl AsRef<[u8]> for ByteString {
+    fn as_ref(&self) -> &[u8] {
+        self.0.as_ref()
+    }
+}
+
+impl AsRef<str> for ByteString {
+    fn as_ref(&self) -> &str {
+        &*self
+    }
+}
+
 impl hash::Hash for ByteString {
     fn hash<H: hash::Hasher>(&self, state: &mut H) {
-        self.0.hash(state);
+        (**self).hash(state);
     }
 }
 
@@ -144,11 +162,39 @@ impl fmt::Display for ByteString {
 #[cfg(test)]
 mod test {
     use super::*;
+    use std::collections::hash_map::DefaultHasher;
+    use std::hash::{Hash, Hasher};
+
+    #[test]
+    fn test_partial_eq() {
+        let s: ByteString = ByteString::from_static("test");
+        assert_eq!(s, "test");
+        assert_eq!(s, *"test");
+        assert_eq!(s, "test".to_string());
+    }
+
+    #[test]
+    fn test_new() {
+        let _: ByteString = ByteString::new();
+    }
+
+    #[test]
+    fn test_hash() {
+        let mut hasher1 = DefaultHasher::default();
+        "str".hash(&mut hasher1);
+
+        let mut hasher2 = DefaultHasher::default();
+        let s = ByteString::from_static("str");
+        s.hash(&mut hasher2);
+        assert_eq!(hasher1.finish(), hasher2.finish());
+    }
 
     #[test]
     fn test_from_string() {
         let s: ByteString = "hello".to_string().into();
         assert_eq!(&s, "hello");
+        let t: &str = s.as_ref();
+        assert_eq!(t, "hello");
     }
 
     #[test]
@@ -158,6 +204,7 @@ mod test {
 
     #[test]
     fn test_from_static_str() {
+        static _S: ByteString = ByteString::from_static("hello");
         let _ = ByteString::from_static("str");
     }