Merge branch 'master' into rt-fix

* add arbiter handle assoc fn

.github/workflows/ci.yml

@@ -0,0 +1,103 @@
+name: CI
+
+on:
+  pull_request:
+    types: [opened, synchronize, reopened]
+  push:
+    branches: [master]
+
+jobs:
+  build_and_test:
+    strategy:
+      fail-fast: false
+      matrix:
+        target:
+          - { name: Linux, os: ubuntu-latest, triple: x86_64-unknown-linux-gnu }
+          - { name: macOS, os: macos-latest, triple: x86_64-apple-darwin }
+          - { name: Windows, os: windows-latest, triple: x86_64-pc-windows-msvc }
+          - { name: Windows (MinGW), os: windows-latest, triple: x86_64-pc-windows-gnu }
+          - { name: Windows (32-bit), os: windows-latest, triple: i686-pc-windows-msvc }
+        version:
+          - 1.46.0 # MSRV
+          - stable
+          - nightly
+
+    name: ${{ matrix.target.name }} / ${{ matrix.version }}
+    runs-on: ${{ matrix.target.os }}
+
+    steps:
+      - name: Setup Routing
+        if: matrix.target.os == 'macos-latest'
+        run: sudo ifconfig lo0 alias 127.0.0.3
+
+      - uses: actions/checkout@v2
+
+      - name: Install ${{ matrix.version }}
+        uses: actions-rs/toolchain@v1
+        with:
+          toolchain: ${{ matrix.version }}-${{ matrix.target.triple }}
+          profile: minimal
+          override: true
+
+      - name: Install MSYS2
+        if: matrix.target.triple == 'x86_64-pc-windows-gnu'
+        uses: msys2/setup-msys2@v2
+      - name: Install MinGW Packages
+        if: matrix.target.triple == 'x86_64-pc-windows-gnu'
+        run: |
+          msys2 -c 'pacman -Sy --noconfirm pacman'
+          msys2 -c 'pacman --noconfirm -S base-devel pkg-config'
+
+      - name: Generate Cargo.lock
+        uses: actions-rs/cargo@v1
+        with:
+          command: generate-lockfile
+      - name: Cache Dependencies
+        uses: Swatinem/rust-cache@v1.2.0
+
+      - name: Install cargo-hack
+        uses: actions-rs/cargo@v1
+        with:
+          command: install
+          args: cargo-hack
+
+      - name: check minimal
+        uses: actions-rs/cargo@v1
+        with:
+          command: hack
+          args: --clean-per-run check --workspace --no-default-features --tests
+
+      - name: check full
+        uses: actions-rs/cargo@v1
+        with:
+          command: check
+          args: --workspace --bins --examples --tests
+
+      - name: tests
+        if: matrix.target.triple != 'x86_64-pc-windows-gnu'
+        uses: actions-rs/cargo@v1
+        with:
+          command: test
+          args: --workspace --all-features --no-fail-fast -- --nocapture
+
+      - name: Generate coverage file
+        if: >
+          matrix.target.os == 'ubuntu-latest'
+          && matrix.version == 'stable'
+          && github.ref == 'refs/heads/master'
+        run: |
+          cargo install cargo-tarpaulin
+          cargo tarpaulin --out Xml --verbose
+      - name: Upload to Codecov
+        if: >
+          matrix.target.os == 'ubuntu-latest'
+          && matrix.version == 'stable'
+          && github.ref == 'refs/heads/master'
+        uses: codecov/codecov-action@v1
+        with:
+          file: cobertura.xml
+
+      - name: Clear the cargo caches
+        run: |
+          cargo install cargo-cache --no-default-features --features ci-autoclean
+          cargo-cache

.github/workflows/clippy-fmt.yml

@@ -1,34 +1,42 @@
+name: Lint
+
 on:
   pull_request:
     types: [opened, synchronize, reopened]
 
-name: Clippy and rustfmt Check
 jobs:
-  clippy_check:
+  fmt:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
 
-      - uses: actions-rs/toolchain@v1
+      - name: Install Rust
+        uses: actions-rs/toolchain@v1
         with:
           toolchain: stable
-          components: rustfmt
           profile: minimal
+          components: rustfmt
           override: true
-      - name: Check with rustfmt
+      - name: Rustfmt Check
         uses: actions-rs/cargo@v1
         with:
           command: fmt
           args: --all -- --check
 
-      - uses: actions-rs/toolchain@v1
+  clippy:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Install Rust
+        uses: actions-rs/toolchain@v1
         with:
-          toolchain: nightly
+          toolchain: stable
-          components: clippy
           profile: minimal
+          components: clippy
           override: true
-      - name: Check with Clippy
+      - name: Clippy Check
         uses: actions-rs/clippy-check@v1
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
-          args: --workspace --tests
+          args: --workspace --tests --all-features

.github/workflows/linux.yml

@@ -1,82 +0,0 @@
-name: CI (Linux)
-
-on:
-  pull_request:
-    types: [opened, synchronize, reopened]
-  push:
-    branches:
-      - master
-      - '1.0'
-
-jobs:
-  build_and_test:
-    strategy:
-      fail-fast: false
-      matrix:
-        version:
-          - 1.46.0
-          - stable
-          - nightly
-
-    name: ${{ matrix.version }} - x86_64-unknown-linux-gnu
-    runs-on: ubuntu-latest
-
-    steps:
-      - uses: actions/checkout@v2
-
-      - 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 dirs
-        uses: actions/cache@v2
-        with:
-          path:
-            ~/.cargo/registry
-            ~/.cargo/git
-            ~/.cargo/bin
-          key: ${{ matrix.version }}-x86_64-unknown-linux-gnu-cargo-trimmed-${{ hashFiles('**/Cargo.lock') }}
-      - name: Cache cargo build
-        uses: actions/cache@v2
-        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: --workspace --bins --examples --tests
-
-      - name: tests
-        uses: actions-rs/cargo@v1
-        timeout-minutes: 40
-        with:
-          command: test
-          args: --workspace --exclude=actix-tls --no-fail-fast -- --nocapture
-
-      - name: Generate coverage file
-        if: matrix.version == 'stable' && (github.ref == 'refs/heads/master' || github.event_name == 'pull_request')
-        run: |
-          cargo install cargo-tarpaulin
-          cargo tarpaulin --out Xml --workspace
-
-      - name: Upload to Codecov
-        if: matrix.version == 'stable' && (github.ref == 'refs/heads/master' || github.event_name == 'pull_request')
-        uses: codecov/codecov-action@v1
-        with:
-          file: cobertura.xml
-
-      - name: Clear the cargo caches
-        run: |
-          rustup update stable
-          rustup override set stable
-          cargo install cargo-cache --no-default-features --features ci-autoclean
-          cargo-cache

.github/workflows/macos.yml

@@ -1,43 +0,0 @@
-name: CI (macOS)
-
-on:
-  pull_request:
-    types: [opened, synchronize, reopened]
-  push:
-    branches:
-      - master
-      - '1.0'
-
-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@v2
-
-      - 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: --workspace --bins --examples --tests
-
-      - name: tests
-        uses: actions-rs/cargo@v1
-        with:
-          command: test
-          args: --workspace --exclude=actix-tls --no-fail-fast -- --nocapture

.github/workflows/upload-doc.yml

@@ -0,0 +1,35 @@
+name: Upload documentation
+
+on:
+  push:
+    branches: [master]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Install Rust
+        uses: actions-rs/toolchain@v1
+        with:
+          toolchain: nightly-x86_64-unknown-linux-gnu
+          profile: minimal
+          override: true
+
+      - name: Build Docs
+        uses: actions-rs/cargo@v1
+        with:
+          command: doc
+          args: --workspace --all-features --no-deps
+
+      - name: Tweak HTML
+        run: echo '<meta http-equiv="refresh" content="0;url=actix_server/index.html">' > target/doc/index.html
+
+      - name: Deploy to GitHub Pages
+        uses: JamesIves/github-pages-deploy-action@3.7.1
+        with:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          BRANCH: gh-pages
+          FOLDER: target/doc

.github/workflows/windows-mingw.yml

@@ -1,45 +0,0 @@
-name: CI (Windows-mingw)
-
-on:
-  pull_request:
-    types: [opened, synchronize, reopened]
-  push:
-    branches:
-      - master
-      - '1.0'
-
-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@v2
-
-      - 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: msys2/setup-msys2@v2
-
-      - name: Install packages
-        run: |
-          msys2 -c 'pacman -Sy --noconfirm pacman'
-          msys2 -c 'pacman --noconfirm -S base-devel pkg-config'
-
-      - name: check build
-        uses: actions-rs/cargo@v1
-        with:
-          command: check
-          args: --workspace --bins --examples --tests

.github/workflows/windows.yml

@@ -1,69 +0,0 @@
-name: CI (Windows)
-
-on:
-  pull_request:
-    types: [opened, synchronize, reopened]
-  push:
-    branches:
-      - master
-      - '1.0'
-
-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@v2
-
-      - 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: --workspace --bins --examples --tests
-
-      - name: tests
-        uses: actions-rs/cargo@v1
-        with:
-          command: test
-          args: --workspace --exclude=actix-tls --no-fail-fast -- --nocapture

actix-router/CHANGES.md

@@ -1,6 +1,9 @@
 # Changes
 
 ## Unreleased - 2021-xx-xx
+
+
+## 0.2.7 - 2021-02-06
 * Add `Router::recognize_checked` [#247]
 
 [#247]: https://github.com/actix/actix-net/pull/247

actix-router/Cargo.toml

@@ -1,9 +1,9 @@
 [package]
 name = "actix-router"
-version = "0.2.6"
+version = "0.2.7"
 authors = ["Nikolay Kim <fafhrd91@gmail.com>"]
 description = "Resource path matching library"
-keywords = ["actix"]
+keywords = ["actix", "router", "routing"]
 homepage = "https://actix.rs"
 repository = "https://github.com/actix/actix-net.git"
 documentation = "https://docs.rs/actix-router"

actix-router/src/resource.rs

@@ -670,8 +670,6 @@ pub(crate) fn insert_slash(path: &str) -> String {
 #[cfg(test)]
 mod tests {
     use super::*;
-    use http::Uri;
-    use std::convert::TryFrom;
 
     #[test]
     fn test_parse_static() {
@@ -833,8 +831,11 @@ mod tests {
         assert!(re.is_match("/user/2345/sdg"));
     }
 
+    #[cfg(feature = "http")]
     #[test]
     fn test_parse_urlencoded_param() {
+        use std::convert::TryFrom;
+
         let re = ResourceDef::new("/user/{id}/test");
 
         let mut path = Path::new("/user/2345/test");
@@ -845,7 +846,7 @@ mod tests {
         assert!(re.match_path(&mut path));
         assert_eq!(path.get("id").unwrap(), "qwe%25");
 
-        let uri = Uri::try_from("/user/qwe%25/test").unwrap();
+        let uri = http::Uri::try_from("/user/qwe%25/test").unwrap();
         let mut path = Path::new(uri);
         assert!(re.match_path(&mut path));
         assert_eq!(path.get("id").unwrap(), "qwe%25");

actix-rt/CHANGES.md

@@ -1,6 +1,19 @@
 # Changes
 
 ## Unreleased - 2021-xx-xx
+* Add `ActixStream` extension trait to include readiness methods. [#276]
+* Re-export `tokio::net::TcpSocket` in `net` module [#282]
+
+[#276]: https://github.com/actix/actix-net/pull/276
+[#282]: https://github.com/actix/actix-net/pull/282
+
+
+## 2.0.2 - 2021-02-06
+* Add `Arbiter::handle` to get a handle of an owned Arbiter. [#274]
+* Add `System::try_current` for situations where actix may or may not be running a System. [#275]
+
+[#274]: https://github.com/actix/actix-net/pull/274
+[#275]: https://github.com/actix/actix-net/pull/275
 
 
 ## 2.0.1 - 2021-02-06

actix-rt/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "actix-rt"
-version = "2.0.1"
+version = "2.0.2"
 authors = [
     "Nikolay Kim <fafhrd91@gmail.com>",
     "Rob Ede <robjtede@icloud.com>",
@@ -26,6 +26,7 @@ macros = ["actix-macros"]
 actix-macros = { version = "0.2.0", optional = true }
 
 futures-core = { version = "0.3", default-features = false }
+futures-intrusive = "0.4"
 tokio = { version = "1.2", features = ["rt", "net", "parking_lot", "signal", "sync", "time"] }
 
 [dev-dependencies]

actix-rt/src/arbiter.rs

@@ -9,6 +9,9 @@ use std::{
 };
 
 use futures_core::ready;
+use futures_intrusive::channel::shared::{
+    oneshot_broadcast_channel, OneshotBroadcastReceiver, OneshotBroadcastSender,
+};
 use tokio::{sync::mpsc, task::LocalSet};
 
 use crate::{
@@ -40,11 +43,26 @@ impl fmt::Debug for ArbiterCommand {
 #[derive(Debug, Clone)]
 pub struct ArbiterHandle {
     tx: mpsc::UnboundedSender<ArbiterCommand>,
+    /// Is `None` for system arbiter.
+    stopped_rx: Option<OneshotBroadcastReceiver<()>>,
 }
 
 impl ArbiterHandle {
-    pub(crate) fn new(tx: mpsc::UnboundedSender<ArbiterCommand>) -> Self {
+    pub(crate) fn new(
-        Self { tx }
+        tx: mpsc::UnboundedSender<ArbiterCommand>,
+        stopped_rx: OneshotBroadcastReceiver<()>,
+    ) -> Self {
+        Self {
+            tx,
+            stopped_rx: Some(stopped_rx),
+        }
+    }
+
+    pub(crate) fn for_system(tx: mpsc::UnboundedSender<ArbiterCommand>) -> Self {
+        Self {
+            tx,
+            stopped_rx: None,
+        }
     }
 
     /// Send a future to the [Arbiter]'s thread and spawn it.
@@ -81,6 +99,25 @@ impl ArbiterHandle {
     pub fn stop(&self) -> bool {
         self.tx.send(ArbiterCommand::Stop).is_ok()
     }
+
+    /// Will wait for associated [Arbiter] to complete all commands up until it is stopped.
+    ///
+    /// For [Arbiter]s that have already stopped, the future will resolve immediately.
+    ///
+    /// # Panics
+    /// Panics if called on the system Arbiter. In this situation the Arbiter's lifetime is
+    /// implicitly bound by the main thread's lifetime.
+    pub async fn join(self) {
+        match self.stopped_rx {
+            Some(rx) => {
+                rx.receive().await;
+            }
+            None => {
+                // TODO: decide if this is correct
+                panic!("cannot wait on the system Arbiter's completion")
+            }
+        }
+    }
 }
 
 /// An Arbiter represents a thread that provides an asynchronous execution environment for futures
@@ -89,8 +126,10 @@ impl ArbiterHandle {
 /// When an arbiter is created, it spawns a new [OS thread](thread), and hosts an event loop.
 #[derive(Debug)]
 pub struct Arbiter {
-    tx: mpsc::UnboundedSender<ArbiterCommand>,
+    id: usize,
-    thread_handle: thread::JoinHandle<()>,
+    stopped_tx: OneshotBroadcastSender<()>,
+    cmd_tx: mpsc::UnboundedSender<ArbiterCommand>,
+    thread_handle: Option<thread::JoinHandle<()>>,
 }
 
 impl Arbiter {
@@ -99,7 +138,7 @@ impl Arbiter {
     /// # Panics
     /// Panics if a [System] is not registered on the current thread.
     #[allow(clippy::new_without_default)]
-    pub fn new() -> Arbiter {
+    pub fn new() -> ArbiterHandle {
         Self::with_tokio_rt(|| {
             default_tokio_runtime().expect("Cannot create new Arbiter's Runtime.")
         })
@@ -109,76 +148,116 @@ impl Arbiter {
     ///
     /// [tokio-runtime]: tokio::runtime::Runtime
     #[doc(hidden)]
-    pub fn with_tokio_rt<F>(runtime_factory: F) -> Arbiter
+    pub fn with_tokio_rt<F>(runtime_factory: F) -> ArbiterHandle
     where
         F: Fn() -> tokio::runtime::Runtime + Send + 'static,
     {
+        eprintln!("get sys current");
+
         let sys = System::current();
+        eprintln!("get sys id");
         let system_id = sys.id();
+        eprintln!("calc arb id");
         let arb_id = COUNT.fetch_add(1, Ordering::Relaxed);
 
         let name = format!("actix-rt|system:{}|arbiter:{}", system_id, arb_id);
-        let (tx, rx) = mpsc::unbounded_channel();
+        let (cmd_tx, cmd_rx) = mpsc::unbounded_channel();
 
-        let (ready_tx, ready_rx) = std::sync::mpsc::channel::<()>();
+        // let ready_barrier = Arc::new(Barrier::new(2));
 
+        let (stopped_tx, stopped_rx) = oneshot_broadcast_channel::<()>();
+
+        eprintln!("make arb handle");
+        let hnd = ArbiterHandle::new(cmd_tx.clone(), stopped_rx);
+
+        eprintln!("make thread");
         let thread_handle = thread::Builder::new()
             .name(name.clone())
             .spawn({
-                let tx = tx.clone();
+                let hnd = hnd.clone();
-                move || {
+                // let ready_barrier = Arc::clone(&ready_barrier);
-                    let rt = Runtime::from(runtime_factory());
-                    let hnd = ArbiterHandle::new(tx);
 
+                move || {
+                    eprintln!("thread: make rt");
+                    let rt = Runtime::from(runtime_factory());
+
+                    eprintln!("thread: set sys");
                     System::set_current(sys);
 
+                    // // wait until register message is sent
+                    // eprintln!("thread: wait for arb registered");
+                    // ready_barrier.wait();
+
+                    eprintln!("thread: set arb handle");
                     HANDLE.with(|cell| *cell.borrow_mut() = Some(hnd.clone()));
 
-                    // register arbiter
-                    let _ = System::current()
-                        .tx()
-                        .send(SystemCommand::RegisterArbiter(arb_id, hnd));
-
-                    ready_tx.send(()).unwrap();
-
                     // run arbiter event processing loop
-                    rt.block_on(ArbiterRunner { rx });
+                    eprintln!("thread: block on arbiter loop");
+                    rt.block_on(ArbiterLoop { cmd_rx });
 
                     // deregister arbiter
-                    let _ = System::current()
+                    eprintln!("thread: send deregister arbiter message");
+                    System::current()
                         .tx()
-                        .send(SystemCommand::DeregisterArbiter(arb_id));
+                        .send(SystemCommand::DeregisterArbiter(arb_id))
+                        .unwrap();
                 }
             })
             .unwrap_or_else(|err| {
                 panic!("Cannot spawn Arbiter's thread: {:?}. {:?}", &name, err)
             });
 
-        ready_rx.recv().unwrap();
+        let arb = Arbiter {
+            id: arb_id,
+            cmd_tx,
+            stopped_tx,
+            thread_handle: Some(thread_handle),
+        };
 
-        Arbiter { tx, thread_handle }
+        // register arbiter
+        eprintln!("send register arbiter message");
+        System::current()
+            .tx()
+            .send(SystemCommand::RegisterArbiter(arb))
+            .unwrap();
+
+        // eprintln!("inform arbiter that it is registered");
+        // ready_barrier.wait();
+
+        eprintln!("arbiter::new done");
+        hnd
     }
 
     /// Sets up an Arbiter runner in a new System using the provided runtime local task set.
-    pub(crate) fn in_new_system(local: &LocalSet) -> ArbiterHandle {
+    pub(crate) fn for_system(local: &LocalSet) -> ArbiterHandle {
-        let (tx, rx) = mpsc::unbounded_channel();
+        let (cmd_tx, cmd_rx) = mpsc::unbounded_channel();
 
-        let hnd = ArbiterHandle::new(tx);
+        let hnd = ArbiterHandle::for_system(cmd_tx);
 
         HANDLE.with(|cell| *cell.borrow_mut() = Some(hnd.clone()));
 
-        local.spawn_local(ArbiterRunner { rx });
+        local.spawn_local(ArbiterLoop { cmd_rx });
 
         hnd
     }
 
+    /// Return `Arbiter`'s numeric ID.
+    pub(crate) fn id(&self) -> usize {
+        self.id
+    }
+
+    // /// Return a handle to the this Arbiter's message sender.
+    // pub fn handle(&self) -> ArbiterHandle {
+    //     ArbiterHandle::new(self.cmd_tx.clone())
+    // }
+
     /// Return a handle to the current thread's Arbiter's message sender.
     ///
     /// # Panics
     /// Panics if no Arbiter is running on the current thread.
     pub fn current() -> ArbiterHandle {
         HANDLE.with(|cell| match *cell.borrow() {
-            Some(ref addr) => addr.clone(),
+            Some(ref hnd) => hnd.clone(),
             None => panic!("Arbiter is not running."),
         })
     }
@@ -186,57 +265,68 @@ impl Arbiter {
     /// Stop Arbiter from continuing it's event loop.
     ///
     /// Returns true if stop message was sent successfully and false if the Arbiter has been dropped.
-    pub fn stop(&self) -> bool {
+    pub(crate) fn stop(&self) -> bool {
-        self.tx.send(ArbiterCommand::Stop).is_ok()
+        self.cmd_tx.send(ArbiterCommand::Stop).is_ok()
     }
 
-    /// Send a future to the Arbiter's thread and spawn it.
+    // /// Send a future to the Arbiter's thread and spawn it.
-    ///
+    // ///
-    /// If you require a result, include a response channel in the future.
+    // /// If you require a result, include a response channel in the future.
-    ///
+    // ///
-    /// Returns true if future was sent successfully and false if the Arbiter has died.
+    // /// Returns true if future was sent successfully and false if the Arbiter has died.
-    pub fn spawn<Fut>(&self, future: Fut) -> bool
+    // pub fn spawn<Fut>(&self, future: Fut) -> bool
-    where
+    // where
-        Fut: Future<Output = ()> + Send + 'static,
+    //     Fut: Future<Output = ()> + Send + 'static,
-    {
+    // {
-        self.tx
+    //     self.cmd_tx
-            .send(ArbiterCommand::Execute(Box::pin(future)))
+    //         .send(ArbiterCommand::Execute(Box::pin(future)))
-            .is_ok()
+    //         .is_ok()
-    }
+    // }
 
-    /// Send a function to the Arbiter's thread and execute it.
+    // /// Send a function to the Arbiter's thread and execute it.
-    ///
+    // ///
-    /// Any result from the function is discarded. If you require a result, include a response
+    // /// Any result from the function is discarded. If you require a result, include a response
-    /// channel in the function.
+    // /// channel in the function.
-    ///
+    // ///
-    /// Returns true if function was sent successfully and false if the Arbiter has died.
+    // /// Returns true if function was sent successfully and false if the Arbiter has died.
-    pub fn spawn_fn<F>(&self, f: F) -> bool
+    // pub fn spawn_fn<F>(&self, f: F) -> bool
-    where
+    // where
-        F: FnOnce() + Send + 'static,
+    //     F: FnOnce() + Send + 'static,
-    {
+    // {
-        self.spawn(async { f() })
+    //     self.spawn(async { f() })
-    }
+    // }
+}
 
-    /// Wait for Arbiter's event loop to complete.
+impl Drop for Arbiter {
-    ///
+    fn drop(&mut self) {
-    /// Joins the underlying OS thread handle. See [`JoinHandle::join`](thread::JoinHandle::join).
+        eprintln!("Arb::drop: joining arbiter thread");
-    pub fn join(self) -> thread::Result<()> {
+        match self.thread_handle.take().unwrap().join() {
-        self.thread_handle.join()
+            Ok(()) => {}
+            Err(err) => {
+                eprintln!("arbiter {} thread panicked: {:?}", self.id(), err)
+            }
+        }
+        eprintln!("Arb::drop: sending stopped tx");
+
+        // could fail if all handles are dropped already so ignore result
+        let _ = self.stopped_tx.send(());
+
+        eprintln!("Arb::drop: done");
     }
 }
 
 /// A persistent future that processes [Arbiter] commands.
-struct ArbiterRunner {
+struct ArbiterLoop {
-    rx: mpsc::UnboundedReceiver<ArbiterCommand>,
+    cmd_rx: mpsc::UnboundedReceiver<ArbiterCommand>,
 }
 
-impl Future for ArbiterRunner {
+impl Future for ArbiterLoop {
     type Output = ();
 
     fn poll(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
         // process all items currently buffered in channel
         loop {
-            match ready!(Pin::new(&mut self.rx).poll_recv(cx)) {
+            match ready!(Pin::new(&mut self.cmd_rx).poll_recv(cx)) {
                 // channel closed; no more messages can be received
                 None => return Poll::Ready(()),
 

actix-rt/src/lib.rs

@@ -16,12 +16,12 @@
 //!
 //! # Examples
 //! ```
-//! use std::sync::mpsc;
+//! use std::sync::mpsc::channel as std_channel;
 //! use actix_rt::{Arbiter, System};
 //!
-//! let _ = System::new();
+//! let sys = System::new();
 //!
-//! let (tx, rx) = mpsc::channel::<u32>();
+//! let (tx, rx) = std_channel::<u32>();
 //!
 //! let arbiter = Arbiter::new();
 //! arbiter.spawn_fn(move || tx.send(42).unwrap());
@@ -30,7 +30,10 @@
 //! assert_eq!(num, 42);
 //!
 //! arbiter.stop();
-//! arbiter.join().unwrap();
+//! sys.block_on(arbiter.join());
+//!
+//! System::current().stop();
+//! sys.run().unwrap();
 //! ```
 
 #![deny(rust_2018_idioms, nonstandard_style)]
@@ -70,13 +73,50 @@ pub mod signal {
 }
 
 pub mod net {
-    //! TCP/UDP/Unix bindings (Tokio re-exports).
+    //! TCP/UDP/Unix bindings (mostly Tokio re-exports).
 
+    use std::task::{Context, Poll};
+
+    use tokio::io::{AsyncRead, AsyncWrite};
     pub use tokio::net::UdpSocket;
-    pub use tokio::net::{TcpListener, TcpStream};
+    pub use tokio::net::{TcpListener, TcpSocket, TcpStream};
 
     #[cfg(unix)]
     pub use tokio::net::{UnixDatagram, UnixListener, UnixStream};
+
+    /// Extension trait over async read+write types that can also signal readiness.
+    pub trait ActixStream: AsyncRead + AsyncWrite + Unpin + 'static {
+        /// Poll stream and check read readiness of Self.
+        ///
+        /// See [tokio::net::TcpStream::poll_read_ready] for detail on intended use.
+        fn poll_read_ready(&self, cx: &mut Context<'_>) -> Poll<std::io::Result<()>>;
+
+        /// Poll stream and check write readiness of Self.
+        ///
+        /// See [tokio::net::TcpStream::poll_write_ready] for detail on intended use.
+        fn poll_write_ready(&self, cx: &mut Context<'_>) -> Poll<std::io::Result<()>>;
+    }
+
+    impl ActixStream for TcpStream {
+        fn poll_read_ready(&self, cx: &mut Context<'_>) -> Poll<std::io::Result<()>> {
+            TcpStream::poll_read_ready(self, cx)
+        }
+
+        fn poll_write_ready(&self, cx: &mut Context<'_>) -> Poll<std::io::Result<()>> {
+            TcpStream::poll_write_ready(self, cx)
+        }
+    }
+
+    #[cfg(unix)]
+    impl ActixStream for UnixStream {
+        fn poll_read_ready(&self, cx: &mut Context<'_>) -> Poll<std::io::Result<()>> {
+            UnixStream::poll_read_ready(self, cx)
+        }
+
+        fn poll_write_ready(&self, cx: &mut Context<'_>) -> Poll<std::io::Result<()>> {
+            UnixStream::poll_write_ready(self, cx)
+        }
+    }
 }
 
 pub mod time {

actix-rt/src/system.rs

@@ -54,14 +54,9 @@ impl System {
         let (sys_tx, sys_rx) = mpsc::unbounded_channel();
 
         let rt = Runtime::from(runtime_factory());
-        let sys_arbiter = Arbiter::in_new_system(rt.local_set());
+        let sys_arbiter = Arbiter::for_system(rt.local_set());
         let system = System::construct(sys_tx, sys_arbiter.clone());
 
-        system
-            .tx()
-            .send(SystemCommand::RegisterArbiter(usize::MAX, sys_arbiter))
-            .unwrap();
-
         // init background system arbiter
         let sys_ctrl = SystemController::new(sys_rx, stop_tx);
         rt.spawn(sys_ctrl);
@@ -100,6 +95,15 @@ impl System {
         })
     }
 
+    /// Try to get current running system.
+    ///
+    /// Returns `None` if no System has been started.
+    ///
+    /// Contrary to `current`, this never panics.
+    pub fn try_current() -> Option<System> {
+        CURRENT.with(|cell| cell.borrow().clone())
+    }
+
     /// Get handle to a the System's initial [Arbiter].
     pub fn arbiter(&self) -> &ArbiterHandle {
         &self.arbiter_handle
@@ -141,7 +145,10 @@ impl System {
 }
 
 /// Runner that keeps a [System]'s event loop alive until stop message is received.
-#[must_use = "A SystemRunner does nothing unless `run` is called."]
+///
+/// Dropping the `SystemRunner` (eg. `let _ = System::new();`) will result in no further events
+/// being processed. It is required you bind the runner and call `run` or call `block_on`.
+#[must_use = "A SystemRunner does nothing unless `run` or `block_on` is called."]
 #[derive(Debug)]
 pub struct SystemRunner {
     rt: Runtime,
@@ -181,7 +188,7 @@ impl SystemRunner {
 #[derive(Debug)]
 pub(crate) enum SystemCommand {
     Exit(i32),
-    RegisterArbiter(usize, ArbiterHandle),
+    RegisterArbiter(Arbiter),
     DeregisterArbiter(usize),
 }
 
@@ -191,7 +198,7 @@ pub(crate) enum SystemCommand {
 pub(crate) struct SystemController {
     stop_tx: Option<oneshot::Sender<i32>>,
     cmd_rx: mpsc::UnboundedReceiver<SystemCommand>,
-    arbiters: HashMap<usize, ArbiterHandle>,
+    arbiters: HashMap<usize, Arbiter>,
 }
 
 impl SystemController {
@@ -212,35 +219,42 @@ impl Future for SystemController {
 
     fn poll(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
         // process all items currently buffered in channel
-        loop {
+        let code = loop {
             match ready!(Pin::new(&mut self.cmd_rx).poll_recv(cx)) {
                 // channel closed; no more messages can be received
-                None => return Poll::Ready(()),
+                None => break 0,
 
                 // process system command
                 Some(cmd) => match cmd {
                     SystemCommand::Exit(code) => {
                         // stop all arbiters
                         for arb in self.arbiters.values() {
+                            eprintln!("SystemController: stopping arbiter {}", arb.id());
                             arb.stop();
                         }
 
-                        // stop event loop
+                        eprintln!("SystemController: dropping arbiters");
-                        // will only fire once
+                        // destroy all arbiters
-                        if let Some(stop_tx) = self.stop_tx.take() {
+                        // drop waits for threads to complete
-                            let _ = stop_tx.send(code);
+                        self.arbiters.clear();
-                        }
+
+                        break code;
                     }
 
-                    SystemCommand::RegisterArbiter(id, arb) => {
+                    SystemCommand::RegisterArbiter(arb) => {
-                        self.arbiters.insert(id, arb);
+                        self.arbiters.insert(arb.id(), arb);
                     }
 
                     SystemCommand::DeregisterArbiter(id) => {
-                        self.arbiters.remove(&id);
+                        // implicit arbiter drop
+                        let _ = self.arbiters.remove(&id);
                     }
                 },
             }
-        }
+        };
+
+        self.stop_tx.take().unwrap().send(code).unwrap();
+
+        Poll::Ready(())
     }
 }

actix-rt/tests/multi_arbiter_check.rs

@@ -0,0 +1,44 @@
+//! Derived from this comment:
+//! https://github.com/actix/actix/issues/464#issuecomment-779427825
+
+use std::{thread, time::Duration};
+
+use actix_rt::{Arbiter, System};
+use tokio::sync::mpsc;
+
+#[test]
+fn actix_sample() {
+    let sys = System::new();
+    let arb = Arbiter::new();
+
+    let (_tx, mut rx) = mpsc::unbounded_channel::<()>();
+
+    // create "actor"
+    arb.spawn_fn(move || {
+        let a = A;
+
+        actix_rt::spawn(async move {
+            while let Some(_) = rx.recv().await {
+                println!("{:?}", a);
+            }
+        });
+    });
+
+    System::current().stop();
+
+    // all arbiters must be dropped when sys.run returns
+    sys.run().unwrap();
+
+    thread::sleep(Duration::from_millis(100));
+}
+
+#[derive(Debug)]
+struct A;
+
+impl Drop for A {
+    fn drop(&mut self) {
+        println!("start drop");
+        thread::sleep(Duration::from_millis(200));
+        println!("finish drop");
+    }
+}

actix-rt/tests/test_arbiter.rs

@@ -0,0 +1,120 @@
+use std::{
+    sync::mpsc::channel as std_channel,
+    time::{Duration, Instant},
+};
+
+use actix_rt::{time, Arbiter, System};
+
+#[test]
+#[should_panic]
+fn no_system_arbiter_new_panic() {
+    Arbiter::new();
+}
+
+#[test]
+fn join_arbiter_wait_fut() {
+    let time = Duration::from_secs(1);
+    let instant = Instant::now();
+
+    System::new().block_on(async move {
+        let arbiter = Arbiter::new();
+
+        arbiter.spawn(async move {
+            time::sleep(time).await;
+            Arbiter::current().stop();
+        });
+
+        arbiter.join().await;
+    });
+
+    assert!(
+        instant.elapsed() >= time,
+        "Join on another arbiter should complete only when it calls stop"
+    );
+}
+
+#[test]
+fn join_arbiter_wait_fn() {
+    let time = Duration::from_secs(1);
+    let instant = Instant::now();
+
+    System::new().block_on(async move {
+        let arbiter = Arbiter::new();
+
+        arbiter.spawn_fn(move || {
+            actix_rt::spawn(async move {
+                time::sleep(time).await;
+                Arbiter::current().stop();
+            });
+        });
+
+        arbiter.join().await;
+    });
+
+    assert!(
+        instant.elapsed() >= time,
+        "Join on an arbiter that has used actix_rt::spawn should wait for said future"
+    );
+}
+
+#[test]
+fn join_arbiter_early_stop_call() {
+    let time = Duration::from_secs(1);
+    let instant = Instant::now();
+
+    System::new().block_on(async move {
+        let arbiter = Arbiter::new();
+
+        arbiter.spawn(Box::pin(async move {
+            time::sleep(time).await;
+            Arbiter::current().stop();
+        }));
+
+        arbiter.stop();
+        arbiter.join().await;
+    });
+
+    assert!(
+        instant.elapsed() < time,
+        "Premature stop of Arbiter should conclude regardless of it's current state."
+    );
+}
+
+#[test]
+fn arbiter_spawn_fn_runs() {
+    let sys = System::new();
+
+    let (tx, rx) = std_channel::<u32>();
+
+    let arbiter = Arbiter::new();
+    arbiter.spawn_fn(move || {
+        tx.send(42).unwrap();
+        System::current().stop();
+    });
+
+    let num = rx.recv().unwrap();
+    assert_eq!(num, 42);
+
+    sys.run().unwrap();
+}
+
+#[test]
+fn arbiter_inner_panic() {
+    let sys = System::new();
+
+    let (tx, rx) = std_channel::<u32>();
+
+    let arbiter = Arbiter::new();
+
+    // spawned panics should not cause arbiter to crash
+    arbiter.spawn(async { panic!("inner panic; will be caught") });
+    arbiter.spawn_fn(|| panic!("inner panic; will be caught"));
+
+    arbiter.spawn(async move { tx.send(42).unwrap() });
+
+    let num = rx.recv().unwrap();
+    assert_eq!(num, 42);
+
+    System::current().stop();
+    sys.run().unwrap();
+}

actix-rt/tests/test_runtime.rs

@@ -0,0 +1,82 @@
+use std::{
+    sync::{
+        atomic::{AtomicBool, Ordering},
+        mpsc::channel as std_channel,
+        Arc,
+    },
+    time::Duration,
+};
+
+use actix_rt::{Arbiter, System};
+
+#[test]
+fn wait_for_spawns() {
+    let rt = actix_rt::Runtime::new().unwrap();
+
+    let handle = rt.spawn(async {
+        println!("running on the runtime");
+        // assertion panic is caught at task boundary
+        assert_eq!(1, 2);
+    });
+
+    assert!(rt.block_on(handle).is_err());
+}
+
+#[test]
+fn new_system_with_tokio() {
+    let (tx, rx) = std_channel();
+
+    let res = System::with_tokio_rt(move || {
+        tokio::runtime::Builder::new_multi_thread()
+            .enable_io()
+            .enable_time()
+            .thread_keep_alive(Duration::from_millis(1000))
+            .worker_threads(2)
+            .max_blocking_threads(2)
+            .on_thread_start(|| {})
+            .on_thread_stop(|| {})
+            .build()
+            .unwrap()
+    })
+    .block_on(async {
+        actix_rt::time::sleep(Duration::from_millis(1)).await;
+
+        tokio::task::spawn(async move {
+            tx.send(42).unwrap();
+        })
+        .await
+        .unwrap();
+
+        123usize
+    });
+
+    assert_eq!(res, 123);
+    assert_eq!(rx.recv().unwrap(), 42);
+}
+
+#[test]
+fn new_arbiter_with_tokio() {
+    let sys = System::new();
+
+    let arb = Arbiter::with_tokio_rt(|| {
+        tokio::runtime::Builder::new_current_thread()
+            .enable_all()
+            .build()
+            .unwrap()
+    });
+
+    let counter = Arc::new(AtomicBool::new(true));
+
+    let counter1 = counter.clone();
+    let did_spawn = arb.spawn(async move {
+        actix_rt::time::sleep(Duration::from_millis(1)).await;
+        counter1.store(false, Ordering::SeqCst);
+        Arbiter::current().stop();
+        System::current().stop();
+    });
+
+    sys.run().unwrap();
+
+    assert!(did_spawn);
+    assert_eq!(false, counter.load(Ordering::SeqCst));
+}

actix-rt/tests/test_system.rs

@@ -0,0 +1,130 @@
+use std::{
+    sync::{
+        atomic::{AtomicBool, Ordering},
+        Arc,
+    },
+    thread,
+    time::{Duration, Instant},
+};
+
+use actix_rt::{time, Arbiter, System};
+use tokio::sync::oneshot;
+
+#[test]
+#[should_panic]
+fn no_system_current_panic() {
+    System::current();
+}
+
+#[test]
+fn try_current_no_system() {
+    assert!(System::try_current().is_none())
+}
+
+#[test]
+fn try_current_with_system() {
+    System::new().block_on(async { assert!(System::try_current().is_some()) });
+}
+
+#[test]
+fn non_static_block_on() {
+    let string = String::from("test_str");
+    let string = string.as_str();
+
+    let sys = System::new();
+
+    sys.block_on(async {
+        actix_rt::time::sleep(Duration::from_millis(1)).await;
+        assert_eq!("test_str", string);
+    });
+
+    let rt = actix_rt::Runtime::new().unwrap();
+
+    rt.block_on(async {
+        actix_rt::time::sleep(Duration::from_millis(1)).await;
+        assert_eq!("test_str", string);
+    });
+
+    System::current().stop();
+    sys.run().unwrap();
+}
+
+#[test]
+fn await_for_timer() {
+    let time = Duration::from_secs(1);
+    let instant = Instant::now();
+
+    System::new().block_on(async move {
+        time::sleep(time).await;
+    });
+
+    assert!(
+        instant.elapsed() >= time,
+        "Calling `block_on` should poll awaited future to completion."
+    );
+}
+
+#[test]
+fn system_arbiter_spawn() {
+    let runner = System::new();
+
+    let (tx, rx) = oneshot::channel();
+    let sys = System::current();
+
+    thread::spawn(|| {
+        // this thread will have no arbiter in it's thread local so call will panic
+        Arbiter::current();
+    })
+    .join()
+    .unwrap_err();
+
+    let thread = thread::spawn(|| {
+        // this thread will have no arbiter in it's thread local so use the system handle instead
+        System::set_current(sys);
+        let sys = System::current();
+
+        let arb = sys.arbiter();
+        arb.spawn(async move {
+            tx.send(42u32).unwrap();
+            System::current().stop();
+        });
+    });
+
+    assert_eq!(runner.block_on(rx).unwrap(), 42);
+    thread.join().unwrap();
+}
+
+struct Atom(Arc<AtomicBool>);
+
+impl Drop for Atom {
+    fn drop(&mut self) {
+        self.0.store(true, Ordering::SeqCst);
+    }
+}
+
+#[test]
+fn system_stop_arbiter_join_barrier() {
+    let sys = System::new();
+    let arb = Arbiter::new();
+
+    let atom = Atom(Arc::new(AtomicBool::new(false)));
+
+    // arbiter should be alive to receive spawn msg
+    assert!(Arbiter::current().spawn_fn(|| {}));
+    assert!(arb.spawn_fn(move || {
+        // thread should get dropped during sleep
+        thread::sleep(Duration::from_secs(2));
+
+        // pointless load to move atom into scope
+        atom.0.load(Ordering::SeqCst);
+
+        panic!("spawned fn (thread) should be dropped during sleep");
+    }));
+
+    System::current().stop();
+    sys.run().unwrap();
+
+    // arbiter should be dead and return false
+    assert!(!Arbiter::current().spawn_fn(|| {}));
+    assert!(!arb.spawn_fn(|| {}));
+}

actix-rt/tests/tests.rs

@@ -1,268 +0,0 @@
-use std::{
-    sync::{
-        atomic::{AtomicBool, Ordering},
-        mpsc::channel,
-        Arc,
-    },
-    thread,
-    time::{Duration, Instant},
-};
-
-use actix_rt::{Arbiter, System};
-use tokio::sync::oneshot;
-
-#[test]
-fn await_for_timer() {
-    let time = Duration::from_secs(1);
-    let instant = Instant::now();
-    System::new().block_on(async move {
-        tokio::time::sleep(time).await;
-    });
-    assert!(
-        instant.elapsed() >= time,
-        "Block on should poll awaited future to completion"
-    );
-}
-
-#[test]
-fn join_another_arbiter() {
-    let time = Duration::from_secs(1);
-    let instant = Instant::now();
-    System::new().block_on(async move {
-        let arbiter = Arbiter::new();
-        arbiter.spawn(Box::pin(async move {
-            tokio::time::sleep(time).await;
-            Arbiter::current().stop();
-        }));
-        arbiter.join().unwrap();
-    });
-    assert!(
-        instant.elapsed() >= time,
-        "Join on another arbiter should complete only when it calls stop"
-    );
-
-    let instant = Instant::now();
-    System::new().block_on(async move {
-        let arbiter = Arbiter::new();
-        arbiter.spawn_fn(move || {
-            actix_rt::spawn(async move {
-                tokio::time::sleep(time).await;
-                Arbiter::current().stop();
-            });
-        });
-        arbiter.join().unwrap();
-    });
-    assert!(
-        instant.elapsed() >= time,
-        "Join on an arbiter that has used actix_rt::spawn should wait for said future"
-    );
-
-    let instant = Instant::now();
-    System::new().block_on(async move {
-        let arbiter = Arbiter::new();
-        arbiter.spawn(Box::pin(async move {
-            tokio::time::sleep(time).await;
-            Arbiter::current().stop();
-        }));
-        arbiter.stop();
-        arbiter.join().unwrap();
-    });
-    assert!(
-        instant.elapsed() < time,
-        "Premature stop of arbiter should conclude regardless of it's current state"
-    );
-}
-
-#[test]
-fn non_static_block_on() {
-    let string = String::from("test_str");
-    let string = string.as_str();
-
-    let sys = System::new();
-
-    sys.block_on(async {
-        actix_rt::time::sleep(Duration::from_millis(1)).await;
-        assert_eq!("test_str", string);
-    });
-
-    let rt = actix_rt::Runtime::new().unwrap();
-
-    rt.block_on(async {
-        actix_rt::time::sleep(Duration::from_millis(1)).await;
-        assert_eq!("test_str", string);
-    });
-}
-
-#[test]
-fn wait_for_spawns() {
-    let rt = actix_rt::Runtime::new().unwrap();
-
-    let handle = rt.spawn(async {
-        println!("running on the runtime");
-        // assertion panic is caught at task boundary
-        assert_eq!(1, 2);
-    });
-
-    assert!(rt.block_on(handle).is_err());
-}
-
-#[test]
-fn arbiter_spawn_fn_runs() {
-    let _ = System::new();
-
-    let (tx, rx) = channel::<u32>();
-
-    let arbiter = Arbiter::new();
-    arbiter.spawn_fn(move || tx.send(42).unwrap());
-
-    let num = rx.recv().unwrap();
-    assert_eq!(num, 42);
-
-    arbiter.stop();
-    arbiter.join().unwrap();
-}
-
-#[test]
-fn arbiter_drop_no_panic_fn() {
-    let _ = System::new();
-
-    let arbiter = Arbiter::new();
-    arbiter.spawn_fn(|| panic!("test"));
-
-    arbiter.stop();
-    arbiter.join().unwrap();
-}
-
-#[test]
-fn arbiter_drop_no_panic_fut() {
-    let _ = System::new();
-
-    let arbiter = Arbiter::new();
-    arbiter.spawn(async { panic!("test") });
-
-    arbiter.stop();
-    arbiter.join().unwrap();
-}
-
-#[test]
-#[should_panic]
-fn no_system_current_panic() {
-    System::current();
-}
-
-#[test]
-#[should_panic]
-fn no_system_arbiter_new_panic() {
-    Arbiter::new();
-}
-
-#[test]
-fn system_arbiter_spawn() {
-    let runner = System::new();
-
-    let (tx, rx) = oneshot::channel();
-    let sys = System::current();
-
-    thread::spawn(|| {
-        // this thread will have no arbiter in it's thread local so call will panic
-        Arbiter::current();
-    })
-    .join()
-    .unwrap_err();
-
-    let thread = thread::spawn(|| {
-        // this thread will have no arbiter in it's thread local so use the system handle instead
-        System::set_current(sys);
-        let sys = System::current();
-
-        let arb = sys.arbiter();
-        arb.spawn(async move {
-            tx.send(42u32).unwrap();
-            System::current().stop();
-        });
-    });
-
-    assert_eq!(runner.block_on(rx).unwrap(), 42);
-    thread.join().unwrap();
-}
-
-#[test]
-fn system_stop_stops_arbiters() {
-    let sys = System::new();
-    let arb = Arbiter::new();
-
-    // arbiter should be alive to receive spawn msg
-    assert!(Arbiter::current().spawn_fn(|| {}));
-    assert!(arb.spawn_fn(|| {}));
-
-    System::current().stop();
-    sys.run().unwrap();
-
-    // account for slightly slow thread de-spawns (only observed on windows)
-    thread::sleep(Duration::from_millis(100));
-
-    // arbiter should be dead and return false
-    assert!(!Arbiter::current().spawn_fn(|| {}));
-    assert!(!arb.spawn_fn(|| {}));
-
-    arb.join().unwrap();
-}
-
-#[test]
-fn new_system_with_tokio() {
-    let (tx, rx) = channel();
-
-    let res = System::with_tokio_rt(move || {
-        tokio::runtime::Builder::new_multi_thread()
-            .enable_io()
-            .enable_time()
-            .thread_keep_alive(Duration::from_millis(1000))
-            .worker_threads(2)
-            .max_blocking_threads(2)
-            .on_thread_start(|| {})
-            .on_thread_stop(|| {})
-            .build()
-            .unwrap()
-    })
-    .block_on(async {
-        actix_rt::time::sleep(Duration::from_millis(1)).await;
-
-        tokio::task::spawn(async move {
-            tx.send(42).unwrap();
-        })
-        .await
-        .unwrap();
-
-        123usize
-    });
-
-    assert_eq!(res, 123);
-    assert_eq!(rx.recv().unwrap(), 42);
-}
-
-#[test]
-fn new_arbiter_with_tokio() {
-    let _ = System::new();
-
-    let arb = Arbiter::with_tokio_rt(|| {
-        tokio::runtime::Builder::new_current_thread()
-            .enable_all()
-            .build()
-            .unwrap()
-    });
-
-    let counter = Arc::new(AtomicBool::new(true));
-
-    let counter1 = counter.clone();
-    let did_spawn = arb.spawn(async move {
-        actix_rt::time::sleep(Duration::from_millis(1)).await;
-        counter1.store(false, Ordering::SeqCst);
-        Arbiter::current().stop();
-    });
-
-    assert!(did_spawn);
-
-    arb.join().unwrap();
-
-    assert_eq!(false, counter.load(Ordering::SeqCst));
-}

actix-server/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "actix-server"
-version = "2.0.0-beta.2"
+version = "2.0.0-beta.3"
 authors = [
     "Nikolay Kim <fafhrd91@gmail.com>",
     "fakeshadow <24548779@qq.com>",
@@ -12,7 +12,6 @@ repository = "https://github.com/actix/actix-net.git"
 documentation = "https://docs.rs/actix-server"
 categories = ["network-programming", "asynchronous"]
 license = "MIT OR Apache-2.0"
-exclude = [".gitignore", ".cargo/config"]
 edition = "2018"
 
 [lib]
@@ -33,7 +32,7 @@ log = "0.4"
 mio = { version = "0.7.6", features = ["os-poll", "net"] }
 num_cpus = "1.13"
 slab = "0.4"
-tokio = { version = "1", features = ["sync"] }
+tokio = { version = "1.2", features = ["sync"] }
 
 [dev-dependencies]
 actix-rt = "2.0.0"

actix-server/src/waker_queue.rs

@@ -8,7 +8,7 @@ use mio::{Registry, Token as MioToken, Waker};
 
 use crate::worker::WorkerHandle;
 
-/// waker token for `mio::Poll` instance
+/// Waker token for `mio::Poll` instance.
 pub(crate) const WAKER_TOKEN: MioToken = MioToken(usize::MAX);
 
 /// `mio::Waker` with a queue for waking up the `Accept`'s `Poll` and contains the `WakerInterest`
@@ -30,7 +30,7 @@ impl Deref for WakerQueue {
 }
 
 impl WakerQueue {
-    /// construct a waker queue with given `Poll`'s `Registry` and capacity.
+    /// Construct a waker queue with given `Poll`'s `Registry` and capacity.
     ///
     /// A fixed `WAKER_TOKEN` is used to identify the wake interest and the `Poll` needs to match
     /// event's token for it to properly handle `WakerInterest`.
@@ -41,7 +41,7 @@ impl WakerQueue {
         Ok(Self(Arc::new((waker, queue))))
     }
 
-    /// push a new interest to the queue and wake up the accept poll afterwards.
+    /// Push a new interest to the queue and wake up the accept poll afterwards.
     pub(crate) fn wake(&self, interest: WakerInterest) {
         let (waker, queue) = self.deref();
 
@@ -55,20 +55,20 @@ impl WakerQueue {
             .unwrap_or_else(|e| panic!("can not wake up Accept Poll: {}", e));
     }
 
-    /// get a MutexGuard of the waker queue.
+    /// Get a MutexGuard of the waker queue.
     pub(crate) fn guard(&self) -> MutexGuard<'_, VecDeque<WakerInterest>> {
         self.deref().1.lock().expect("Failed to lock WakerQueue")
     }
 
-    /// reset the waker queue so it does not grow infinitely.
+    /// Reset the waker queue so it does not grow infinitely.
     pub(crate) fn reset(queue: &mut VecDeque<WakerInterest>) {
         std::mem::swap(&mut VecDeque::<WakerInterest>::with_capacity(16), queue);
     }
 }
 
-/// types of interests we would look into when `Accept`'s `Poll` is waked up by waker.
+/// Types of interests we would look into when `Accept`'s `Poll` is waked up by waker.
 ///
-/// *. These interests should not be confused with `mio::Interest` and mostly not I/O related
+/// These interests should not be confused with `mio::Interest` and mostly not I/O related
 pub(crate) enum WakerInterest {
     /// `WorkerAvailable` is an interest from `Worker` notifying `Accept` there is a worker
     /// available and can accept new tasks.

actix-service/src/lib.rs

@@ -102,8 +102,8 @@ pub trait Service<Req> {
     /// call and the next invocation of `call` results in an error.
     ///
     /// # Notes
-    /// 1. `.poll_ready()` might be called on different task from actual service call.
+    /// 1. `poll_ready` might be called on a different task to `call`.
-    /// 1. In case of chained services, `.poll_ready()` get called for all services at once.
+    /// 1. In cases of chained services, `.poll_ready()` is called for all services at once.
     fn poll_ready(&self, ctx: &mut task::Context<'_>) -> Poll<Result<(), Self::Error>>;
 
     /// Process the request and return the response asynchronously.

actix-tls/CHANGES.md

@@ -1,6 +1,11 @@
 # Changes
 
 ## Unreleased - 2021-xx-xx
+* Rename `accept::openssl::{SslStream => TlsStream}`.
+* Add `connect::Connect::set_local_addr` to attach local `Ipaddr`. [#282]
+* `connector::TcpConnector` service would try to bind to local_addr of `IpAddr` when given [#282]
+
+[#282]: https://github.com/actix/actix-net/pull/282
 
 
 ## 3.0.0-beta.3 - 2021-02-06

actix-tls/Cargo.toml

@@ -52,7 +52,7 @@ log = "0.4"
 tokio-util = { version = "0.6.3", default-features = false }
 
 # openssl
-tls-openssl = { package = "openssl", version = "0.10", optional = true }
+tls-openssl = { package = "openssl", version = "0.10.9", optional = true }
 tokio-openssl = { version = "0.6", optional = true }
 
 # rustls
@@ -62,9 +62,15 @@ webpki-roots = { version = "0.21", optional = true }
 # native-tls
 tokio-native-tls = { version = "0.3", optional = true }
 
+[target.'cfg(windows)'.dependencies.tls-openssl]
+version = "0.10.9"
+package = "openssl"
+features = ["vendored"]
+optional = true
+
 [dev-dependencies]
 actix-rt = "2.0.0"
-actix-server = "2.0.0-beta.2"
+actix-server = "2.0.0-beta.3"
 bytes = "1"
 env_logger = "0.8"
 futures-util = { version = "0.3.7", default-features = false, features = ["sink"] }

actix-tls/examples/basic.rs

@@ -29,9 +29,10 @@ use std::{
     },
 };
 
+use actix_rt::net::TcpStream;
 use actix_server::Server;
 use actix_service::pipeline_factory;
-use actix_tls::accept::rustls::Acceptor as RustlsAcceptor;
+use actix_tls::accept::rustls::{Acceptor as RustlsAcceptor, TlsStream};
 use futures_util::future::ok;
 use log::info;
 use rustls::{
@@ -74,9 +75,9 @@ async fn main() -> io::Result<()> {
             // Set up TLS service factory
             pipeline_factory(tls_acceptor.clone())
                 .map_err(|err| println!("Rustls error: {:?}", err))
-                .and_then(move |stream| {
+                .and_then(move |stream: TlsStream<TcpStream>| {
                     let num = count.fetch_add(1, Ordering::Relaxed);
-                    info!("[{}] Got TLS connection: {:?}", num, stream);
+                    info!("[{}] Got TLS connection: {:?}", num, &*stream);
                     ok(())
                 })
         })?

actix-tls/src/accept/nativetls.rs

@@ -1,15 +1,94 @@
-use std::task::{Context, Poll};
+use std::{
+    io::{self, IoSlice},
+    ops::{Deref, DerefMut},
+    pin::Pin,
+    task::{Context, Poll},
+};
 
-use actix_codec::{AsyncRead, AsyncWrite};
+use actix_codec::{AsyncRead, AsyncWrite, ReadBuf};
+use actix_rt::net::ActixStream;
 use actix_service::{Service, ServiceFactory};
 use actix_utils::counter::Counter;
 use futures_core::future::LocalBoxFuture;
 
 pub use tokio_native_tls::native_tls::Error;
-pub use tokio_native_tls::{TlsAcceptor, TlsStream};
+pub use tokio_native_tls::TlsAcceptor;
 
 use super::MAX_CONN_COUNTER;
 
+/// Wrapper type for `tokio_native_tls::TlsStream` in order to impl `ActixStream` trait.
+pub struct TlsStream<T>(tokio_native_tls::TlsStream<T>);
+
+impl<T> From<tokio_native_tls::TlsStream<T>> for TlsStream<T> {
+    fn from(stream: tokio_native_tls::TlsStream<T>) -> Self {
+        Self(stream)
+    }
+}
+
+impl<T: ActixStream> Deref for TlsStream<T> {
+    type Target = tokio_native_tls::TlsStream<T>;
+
+    fn deref(&self) -> &Self::Target {
+        &self.0
+    }
+}
+
+impl<T: ActixStream> DerefMut for TlsStream<T> {
+    fn deref_mut(&mut self) -> &mut Self::Target {
+        &mut self.0
+    }
+}
+
+impl<T: ActixStream> AsyncRead for TlsStream<T> {
+    fn poll_read(
+        self: Pin<&mut Self>,
+        cx: &mut Context<'_>,
+        buf: &mut ReadBuf<'_>,
+    ) -> Poll<io::Result<()>> {
+        Pin::new(&mut **self.get_mut()).poll_read(cx, buf)
+    }
+}
+
+impl<T: ActixStream> AsyncWrite for TlsStream<T> {
+    fn poll_write(
+        self: Pin<&mut Self>,
+        cx: &mut Context<'_>,
+        buf: &[u8],
+    ) -> Poll<io::Result<usize>> {
+        Pin::new(&mut **self.get_mut()).poll_write(cx, buf)
+    }
+
+    fn poll_flush(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<io::Result<()>> {
+        Pin::new(&mut **self.get_mut()).poll_flush(cx)
+    }
+
+    fn poll_shutdown(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<io::Result<()>> {
+        Pin::new(&mut **self.get_mut()).poll_shutdown(cx)
+    }
+
+    fn poll_write_vectored(
+        self: Pin<&mut Self>,
+        cx: &mut Context<'_>,
+        bufs: &[IoSlice<'_>],
+    ) -> Poll<io::Result<usize>> {
+        Pin::new(&mut **self.get_mut()).poll_write_vectored(cx, bufs)
+    }
+
+    fn is_write_vectored(&self) -> bool {
+        (&**self).is_write_vectored()
+    }
+}
+
+impl<T: ActixStream> ActixStream for TlsStream<T> {
+    fn poll_read_ready(&self, cx: &mut Context<'_>) -> Poll<io::Result<()>> {
+        T::poll_read_ready((&**self).get_ref().get_ref().get_ref(), cx)
+    }
+
+    fn poll_write_ready(&self, cx: &mut Context<'_>) -> Poll<io::Result<()>> {
+        T::poll_write_ready((&**self).get_ref().get_ref().get_ref(), cx)
+    }
+}
+
 /// Accept TLS connections via `native-tls` package.
 ///
 /// `native-tls` feature enables this `Acceptor` type.
@@ -34,10 +113,7 @@ impl Clone for Acceptor {
     }
 }
 
-impl<T> ServiceFactory<T> for Acceptor
+impl<T: ActixStream> ServiceFactory<T> for Acceptor {
-where
-    T: AsyncRead + AsyncWrite + Unpin + 'static,
-{
     type Response = TlsStream<T>;
     type Error = Error;
     type Config = ();
@@ -71,10 +147,7 @@ impl Clone for NativeTlsAcceptorService {
     }
 }
 
-impl<T> Service<T> for NativeTlsAcceptorService
+impl<T: ActixStream> Service<T> for NativeTlsAcceptorService {
-where
-    T: AsyncRead + AsyncWrite + Unpin + 'static,
-{
     type Response = TlsStream<T>;
     type Error = Error;
     type Future = LocalBoxFuture<'static, Result<TlsStream<T>, Error>>;
@@ -93,7 +166,7 @@ where
         Box::pin(async move {
             let io = this.acceptor.accept(io).await;
             drop(guard);
-            io
+            io.map(Into::into)
         })
     }
 }

actix-tls/src/accept/openssl.rs

@@ -1,10 +1,13 @@
 use std::{
     future::Future,
+    io::{self, IoSlice},
+    ops::{Deref, DerefMut},
     pin::Pin,
     task::{Context, Poll},
 };
 
-use actix_codec::{AsyncRead, AsyncWrite};
+use actix_codec::{AsyncRead, AsyncWrite, ReadBuf};
+use actix_rt::net::ActixStream;
 use actix_service::{Service, ServiceFactory};
 use actix_utils::counter::{Counter, CounterGuard};
 use futures_core::{future::LocalBoxFuture, ready};
@@ -12,10 +15,82 @@ use futures_core::{future::LocalBoxFuture, ready};
 pub use openssl::ssl::{
     AlpnError, Error as SslError, HandshakeError, Ssl, SslAcceptor, SslAcceptorBuilder,
 };
-pub use tokio_openssl::SslStream;
 
 use super::MAX_CONN_COUNTER;
 
+/// Wrapper type for `tokio_openssl::SslStream` in order to impl `ActixStream` trait.
+pub struct TlsStream<T>(tokio_openssl::SslStream<T>);
+
+impl<T> From<tokio_openssl::SslStream<T>> for TlsStream<T> {
+    fn from(stream: tokio_openssl::SslStream<T>) -> Self {
+        Self(stream)
+    }
+}
+
+impl<T> Deref for TlsStream<T> {
+    type Target = tokio_openssl::SslStream<T>;
+
+    fn deref(&self) -> &Self::Target {
+        &self.0
+    }
+}
+
+impl<T> DerefMut for TlsStream<T> {
+    fn deref_mut(&mut self) -> &mut Self::Target {
+        &mut self.0
+    }
+}
+
+impl<T: ActixStream> AsyncRead for TlsStream<T> {
+    fn poll_read(
+        self: Pin<&mut Self>,
+        cx: &mut Context<'_>,
+        buf: &mut ReadBuf<'_>,
+    ) -> Poll<io::Result<()>> {
+        Pin::new(&mut **self.get_mut()).poll_read(cx, buf)
+    }
+}
+
+impl<T: ActixStream> AsyncWrite for TlsStream<T> {
+    fn poll_write(
+        self: Pin<&mut Self>,
+        cx: &mut Context<'_>,
+        buf: &[u8],
+    ) -> Poll<io::Result<usize>> {
+        Pin::new(&mut **self.get_mut()).poll_write(cx, buf)
+    }
+
+    fn poll_flush(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<io::Result<()>> {
+        Pin::new(&mut **self.get_mut()).poll_flush(cx)
+    }
+
+    fn poll_shutdown(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<io::Result<()>> {
+        Pin::new(&mut **self.get_mut()).poll_shutdown(cx)
+    }
+
+    fn poll_write_vectored(
+        self: Pin<&mut Self>,
+        cx: &mut Context<'_>,
+        bufs: &[IoSlice<'_>],
+    ) -> Poll<io::Result<usize>> {
+        Pin::new(&mut **self.get_mut()).poll_write_vectored(cx, bufs)
+    }
+
+    fn is_write_vectored(&self) -> bool {
+        (&**self).is_write_vectored()
+    }
+}
+
+impl<T: ActixStream> ActixStream for TlsStream<T> {
+    fn poll_read_ready(&self, cx: &mut Context<'_>) -> Poll<io::Result<()>> {
+        T::poll_read_ready((&**self).get_ref(), cx)
+    }
+
+    fn poll_write_ready(&self, cx: &mut Context<'_>) -> Poll<io::Result<()>> {
+        T::poll_write_ready((&**self).get_ref(), cx)
+    }
+}
+
 /// Accept TLS connections via `openssl` package.
 ///
 /// `openssl` feature enables this `Acceptor` type.
@@ -40,11 +115,8 @@ impl Clone for Acceptor {
     }
 }
 
-impl<T> ServiceFactory<T> for Acceptor
+impl<T: ActixStream> ServiceFactory<T> for Acceptor {
-where
+    type Response = TlsStream<T>;
-    T: AsyncRead + AsyncWrite + Unpin + 'static,
-{
-    type Response = SslStream<T>;
     type Error = SslError;
     type Config = ();
     type Service = AcceptorService;
@@ -67,11 +139,8 @@ pub struct AcceptorService {
     conns: Counter,
 }
 
-impl<T> Service<T> for AcceptorService
+impl<T: ActixStream> Service<T> for AcceptorService {
-where
+    type Response = TlsStream<T>;
-    T: AsyncRead + AsyncWrite + Unpin + 'static,
-{
-    type Response = SslStream<T>;
     type Error = SslError;
     type Future = AcceptorServiceResponse<T>;
 
@@ -88,24 +157,25 @@ where
         let ssl = Ssl::new(ssl_ctx).expect("Provided SSL acceptor was invalid.");
         AcceptorServiceResponse {
             _guard: self.conns.get(),
-            stream: Some(SslStream::new(ssl, io).unwrap()),
+            stream: Some(tokio_openssl::SslStream::new(ssl, io).unwrap()),
         }
     }
 }
 
-pub struct AcceptorServiceResponse<T>
+pub struct AcceptorServiceResponse<T: ActixStream> {
-where
+    stream: Option<tokio_openssl::SslStream<T>>,
-    T: AsyncRead + AsyncWrite,
-{
-    stream: Option<SslStream<T>>,
     _guard: CounterGuard,
 }
 
-impl<T: AsyncRead + AsyncWrite + Unpin> Future for AcceptorServiceResponse<T> {
+impl<T: ActixStream> Future for AcceptorServiceResponse<T> {
-    type Output = Result<SslStream<T>, SslError>;
+    type Output = Result<TlsStream<T>, SslError>;
 
     fn poll(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
         ready!(Pin::new(self.stream.as_mut().unwrap()).poll_accept(cx))?;
-        Poll::Ready(Ok(self.stream.take().expect("SSL connect has resolved.")))
+        Poll::Ready(Ok(self
+            .stream
+            .take()
+            .expect("SSL connect has resolved.")
+            .into()))
     }
 }

actix-tls/src/accept/rustls.rs

@@ -1,22 +1,96 @@
 use std::{
     future::Future,
-    io,
+    io::{self, IoSlice},
+    ops::{Deref, DerefMut},
     pin::Pin,
     sync::Arc,
     task::{Context, Poll},
 };
 
-use actix_codec::{AsyncRead, AsyncWrite};
+use actix_codec::{AsyncRead, AsyncWrite, ReadBuf};
+use actix_rt::net::ActixStream;
 use actix_service::{Service, ServiceFactory};
 use actix_utils::counter::{Counter, CounterGuard};
 use futures_core::future::LocalBoxFuture;
 use tokio_rustls::{Accept, TlsAcceptor};
 
 pub use tokio_rustls::rustls::{ServerConfig, Session};
-pub use tokio_rustls::server::TlsStream;
 
 use super::MAX_CONN_COUNTER;
 
+/// Wrapper type for `tokio_openssl::SslStream` in order to impl `ActixStream` trait.
+pub struct TlsStream<T>(tokio_rustls::server::TlsStream<T>);
+
+impl<T> From<tokio_rustls::server::TlsStream<T>> for TlsStream<T> {
+    fn from(stream: tokio_rustls::server::TlsStream<T>) -> Self {
+        Self(stream)
+    }
+}
+
+impl<T> Deref for TlsStream<T> {
+    type Target = tokio_rustls::server::TlsStream<T>;
+
+    fn deref(&self) -> &Self::Target {
+        &self.0
+    }
+}
+
+impl<T> DerefMut for TlsStream<T> {
+    fn deref_mut(&mut self) -> &mut Self::Target {
+        &mut self.0
+    }
+}
+
+impl<T: ActixStream> AsyncRead for TlsStream<T> {
+    fn poll_read(
+        self: Pin<&mut Self>,
+        cx: &mut Context<'_>,
+        buf: &mut ReadBuf<'_>,
+    ) -> Poll<io::Result<()>> {
+        Pin::new(&mut **self.get_mut()).poll_read(cx, buf)
+    }
+}
+
+impl<T: ActixStream> AsyncWrite for TlsStream<T> {
+    fn poll_write(
+        self: Pin<&mut Self>,
+        cx: &mut Context<'_>,
+        buf: &[u8],
+    ) -> Poll<io::Result<usize>> {
+        Pin::new(&mut **self.get_mut()).poll_write(cx, buf)
+    }
+
+    fn poll_flush(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<io::Result<()>> {
+        Pin::new(&mut **self.get_mut()).poll_flush(cx)
+    }
+
+    fn poll_shutdown(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<io::Result<()>> {
+        Pin::new(&mut **self.get_mut()).poll_shutdown(cx)
+    }
+
+    fn poll_write_vectored(
+        self: Pin<&mut Self>,
+        cx: &mut Context<'_>,
+        bufs: &[IoSlice<'_>],
+    ) -> Poll<io::Result<usize>> {
+        Pin::new(&mut **self.get_mut()).poll_write_vectored(cx, bufs)
+    }
+
+    fn is_write_vectored(&self) -> bool {
+        (&**self).is_write_vectored()
+    }
+}
+
+impl<T: ActixStream> ActixStream for TlsStream<T> {
+    fn poll_read_ready(&self, cx: &mut Context<'_>) -> Poll<io::Result<()>> {
+        T::poll_read_ready((&**self).get_ref().0, cx)
+    }
+
+    fn poll_write_ready(&self, cx: &mut Context<'_>) -> Poll<io::Result<()>> {
+        T::poll_write_ready((&**self).get_ref().0, cx)
+    }
+}
+
 /// Accept TLS connections via `rustls` package.
 ///
 /// `rustls` feature enables this `Acceptor` type.
@@ -43,10 +117,7 @@ impl Clone for Acceptor {
     }
 }
 
-impl<T> ServiceFactory<T> for Acceptor
+impl<T: ActixStream> ServiceFactory<T> for Acceptor {
-where
-    T: AsyncRead + AsyncWrite + Unpin,
-{
     type Response = TlsStream<T>;
     type Error = io::Error;
     type Config = ();
@@ -72,10 +143,7 @@ pub struct AcceptorService {
     conns: Counter,
 }
 
-impl<T> Service<T> for AcceptorService
+impl<T: ActixStream> Service<T> for AcceptorService {
-where
-    T: AsyncRead + AsyncWrite + Unpin,
-{
     type Response = TlsStream<T>;
     type Error = io::Error;
     type Future = AcceptorServiceFut<T>;
@@ -96,22 +164,16 @@ where
     }
 }
 
-pub struct AcceptorServiceFut<T>
+pub struct AcceptorServiceFut<T: ActixStream> {
-where
-    T: AsyncRead + AsyncWrite + Unpin,
-{
     fut: Accept<T>,
     _guard: CounterGuard,
 }
 
-impl<T> Future for AcceptorServiceFut<T>
+impl<T: ActixStream> Future for AcceptorServiceFut<T> {
-where
-    T: AsyncRead + AsyncWrite + Unpin,
-{
     type Output = Result<TlsStream<T>, io::Error>;
 
     fn poll(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
         let this = self.get_mut();
-        Pin::new(&mut this.fut).poll(cx)
+        Pin::new(&mut this.fut).poll(cx).map_ok(TlsStream)
     }
 }

actix-tls/src/connect/connect.rs

@@ -3,7 +3,7 @@ use std::{
     fmt,
     iter::{self, FromIterator as _},
     mem,
-    net::SocketAddr,
+    net::{IpAddr, SocketAddr},
 };
 
 /// Parse a host into parts (hostname and port).
@@ -67,6 +67,7 @@ pub struct Connect<T> {
     pub(crate) req: T,
     pub(crate) port: u16,
     pub(crate) addr: ConnectAddrs,
+    pub(crate) local_addr: Option<IpAddr>,
 }
 
 impl<T: Address> Connect<T> {
@@ -78,6 +79,7 @@ impl<T: Address> Connect<T> {
             req,
             port: port.unwrap_or(0),
             addr: ConnectAddrs::None,
+            local_addr: None,
         }
     }
 
@@ -88,6 +90,7 @@ impl<T: Address> Connect<T> {
             req,
             port: 0,
             addr: ConnectAddrs::One(addr),
+            local_addr: None,
         }
     }
 
@@ -119,6 +122,12 @@ impl<T: Address> Connect<T> {
         self
     }
 
+    /// Set local_addr of connect.
+    pub fn set_local_addr(mut self, addr: impl Into<IpAddr>) -> Self {
+        self.local_addr = Some(addr.into());
+        self
+    }
+
     /// Get hostname.
     pub fn hostname(&self) -> &str {
         self.req.hostname()
@@ -285,7 +294,7 @@ fn parse_host(host: &str) -> (&str, Option<u16>) {
 
 #[cfg(test)]
 mod tests {
-    use std::net::{IpAddr, Ipv4Addr};
+    use std::net::Ipv4Addr;
 
     use super::*;
 
@@ -329,4 +338,13 @@ mod tests {
         let mut iter = ConnectAddrsIter::None;
         assert_eq!(iter.next(), None);
     }
+
+    #[test]
+    fn test_local_addr() {
+        let conn = Connect::new("hello").set_local_addr([127, 0, 0, 1]);
+        assert_eq!(
+            conn.local_addr.unwrap(),
+            IpAddr::V4(Ipv4Addr::new(127, 0, 0, 1))
+        )
+    }
 }

actix-tls/src/connect/connector.rs

@@ -2,12 +2,12 @@ use std::{
     collections::VecDeque,
     future::Future,
     io,
-    net::SocketAddr,
+    net::{IpAddr, SocketAddr, SocketAddrV4, SocketAddrV6},
     pin::Pin,
     task::{Context, Poll},
 };
 
-use actix_rt::net::TcpStream;
+use actix_rt::net::{TcpSocket, TcpStream};
 use actix_service::{Service, ServiceFactory};
 use futures_core::{future::LocalBoxFuture, ready};
 use log::{error, trace};
@@ -54,9 +54,14 @@ impl<T: Address> Service<Connect<T>> for TcpConnector {
 
     fn call(&self, req: Connect<T>) -> Self::Future {
         let port = req.port();
-        let Connect { req, addr, .. } = req;
+        let Connect {
+            req,
+            addr,
+            local_addr,
+            ..
+        } = req;
 
-        TcpConnectorResponse::new(req, port, addr)
+        TcpConnectorResponse::new(req, port, local_addr, addr)
     }
 }
 
@@ -65,6 +70,7 @@ pub enum TcpConnectorResponse<T> {
     Response {
         req: Option<T>,
         port: u16,
+        local_addr: Option<IpAddr>,
         addrs: Option<VecDeque<SocketAddr>>,
         stream: Option<ReusableBoxFuture<Result<TcpStream, io::Error>>>,
     },
@@ -72,7 +78,12 @@ pub enum TcpConnectorResponse<T> {
 }
 
 impl<T: Address> TcpConnectorResponse<T> {
-    pub(crate) fn new(req: T, port: u16, addr: ConnectAddrs) -> TcpConnectorResponse<T> {
+    pub(crate) fn new(
+        req: T,
+        port: u16,
+        local_addr: Option<IpAddr>,
+        addr: ConnectAddrs,
+    ) -> TcpConnectorResponse<T> {
         if addr.is_none() {
             error!("TCP connector: unresolved connection address");
             return TcpConnectorResponse::Error(Some(ConnectError::Unresolved));
@@ -90,8 +101,9 @@ impl<T: Address> TcpConnectorResponse<T> {
             ConnectAddrs::One(addr) => TcpConnectorResponse::Response {
                 req: Some(req),
                 port,
+                local_addr,
                 addrs: None,
-                stream: Some(ReusableBoxFuture::new(TcpStream::connect(addr))),
+                stream: Some(ReusableBoxFuture::new(connect(addr, local_addr))),
             },
 
             // when resolver returns multiple socket addr for request they would be popped from
@@ -99,6 +111,7 @@ impl<T: Address> TcpConnectorResponse<T> {
             ConnectAddrs::Multi(addrs) => TcpConnectorResponse::Response {
                 req: Some(req),
                 port,
+                local_addr,
                 addrs: Some(addrs),
                 stream: None,
             },
@@ -116,6 +129,7 @@ impl<T: Address> Future for TcpConnectorResponse<T> {
             TcpConnectorResponse::Response {
                 req,
                 port,
+                local_addr,
                 addrs,
                 stream,
             } => loop {
@@ -148,11 +162,38 @@ impl<T: Address> Future for TcpConnectorResponse<T> {
                 // try to connect
                 let addr = addrs.as_mut().unwrap().pop_front().unwrap();
 
+                let fut = connect(addr, *local_addr);
                 match stream {
-                    Some(rbf) => rbf.set(TcpStream::connect(addr)),
+                    Some(rbf) => rbf.set(fut),
-                    None => *stream = Some(ReusableBoxFuture::new(TcpStream::connect(addr))),
+                    None => *stream = Some(ReusableBoxFuture::new(fut)),
                 }
             },
         }
     }
 }
+
+async fn connect(addr: SocketAddr, local_addr: Option<IpAddr>) -> io::Result<TcpStream> {
+    // use local addr if connect asks for it.
+    match local_addr {
+        Some(ip_addr) => {
+            let socket = match ip_addr {
+                IpAddr::V4(ip_addr) => {
+                    let socket = TcpSocket::new_v4()?;
+                    let addr = SocketAddr::V4(SocketAddrV4::new(ip_addr, 0));
+                    socket.bind(addr)?;
+                    socket
+                }
+                IpAddr::V6(ip_addr) => {
+                    let socket = TcpSocket::new_v6()?;
+                    let addr = SocketAddr::V6(SocketAddrV6::new(ip_addr, 0, 0, 0));
+                    socket.bind(addr)?;
+                    socket
+                }
+            };
+
+            socket.connect(addr).await
+        }
+
+        None => TcpStream::connect(addr).await,
+    }
+}

actix-tls/tests/test_connect.rs

@@ -1,4 +1,9 @@
-use std::io;
+#![cfg(feature = "connect")]
+
+use std::{
+    io,
+    net::{IpAddr, Ipv4Addr},
+};
 
 use actix_codec::{BytesCodec, Framed};
 use actix_rt::net::TcpStream;
@@ -9,7 +14,7 @@ use futures_util::sink::SinkExt;
 
 use actix_tls::connect::{self as actix_connect, Connect};
 
-#[cfg(all(feature = "connect", feature = "openssl"))]
+#[cfg(feature = "openssl")]
 #[actix_rt::test]
 async fn test_string() {
     let srv = TestServer::with(|| {
@@ -125,3 +130,25 @@ async fn test_rustls_uri() {
     let con = conn.call(addr.into()).await.unwrap();
     assert_eq!(con.peer_addr().unwrap(), srv.addr());
 }
+
+#[actix_rt::test]
+async fn test_local_addr() {
+    let srv = TestServer::with(|| {
+        fn_service(|io: TcpStream| async {
+            let mut framed = Framed::new(io, BytesCodec);
+            framed.send(Bytes::from_static(b"test")).await?;
+            Ok::<_, io::Error>(())
+        })
+    });
+
+    let conn = actix_connect::default_connector();
+    let local = IpAddr::V4(Ipv4Addr::new(127, 0, 0, 3));
+
+    let (con, _) = conn
+        .call(Connect::with_addr("10", srv.addr()).set_local_addr(local))
+        .await
+        .unwrap()
+        .into_parts();
+
+    assert_eq!(con.local_addr().unwrap().ip(), local)
+}

actix-tls/tests/test_resolvers.rs

@@ -1,3 +1,5 @@
+#![cfg(feature = "connect")]
+
 use std::{
     io,
     net::{Ipv4Addr, SocketAddr},

actix-utils/src/task.rs

@@ -1,49 +1,30 @@
-use core::cell::UnsafeCell;
+use core::{cell::Cell, fmt, marker::PhantomData, task::Waker};
-use core::fmt;
-use core::marker::PhantomData;
-use core::task::Waker;
 
 /// A synchronization primitive for task wakeup.
 ///
-/// Sometimes the task interested in a given event will change over time.
+/// Sometimes the task interested in a given event will change over time. A `LocalWaker` can
-/// An `LocalWaker` can coordinate concurrent notifications with the consumer
+/// coordinate concurrent notifications with the consumer, potentially "updating" the underlying
-/// potentially "updating" the underlying task to wake up. This is useful in
+/// task to wake up. This is useful in scenarios where a computation completes in another task and
-/// scenarios where a computation completes in another task and wants to
+/// wants to notify the consumer, but the consumer is in the process of being migrated to a new
-/// notify the consumer, but the consumer is in the process of being migrated to
+/// logical task.
-/// a new logical task.
 ///
-/// Consumers should call `register` before checking the result of a computation
+/// Consumers should call [`register`] before checking the result of a computation and producers
-/// and producers should call `wake` after producing the computation (this
+/// should call `wake` after producing the computation (this differs from the usual `thread::park`
-/// differs from the usual `thread::park` pattern). It is also permitted for
+/// pattern). It is also permitted for [`wake`] to be called _before_ [`register`]. This results in
-/// `wake` to be called **before** `register`. This results in a no-op.
+/// a no-op.
 ///
-/// A single `AtomicWaker` may be reused for any number of calls to `register` or
+/// A single `LocalWaker` may be reused for any number of calls to [`register`] or [`wake`].
-/// `wake`.
-// TODO: Refactor to Cell when remove deprecated methods (@botika)
 #[derive(Default)]
 pub struct LocalWaker {
-    pub(crate) waker: UnsafeCell<Option<Waker>>,
+    pub(crate) waker: Cell<Option<Waker>>,
     // mark LocalWaker as a !Send type.
-    _t: PhantomData<*const ()>,
+    _phantom: PhantomData<*const ()>,
 }
 
 impl LocalWaker {
-    /// Create an `LocalWaker`.
+    /// Creates a new, empty `LocalWaker`.
     pub fn new() -> Self {
-        LocalWaker {
+        LocalWaker::default()
-            waker: UnsafeCell::new(None),
-            _t: PhantomData,
-        }
-    }
-
-    #[deprecated(
-        since = "2.1.0",
-        note = "In favor of `wake`. State of the register doesn't matter at `wake` up"
-    )]
-    /// Check if waker has been registered.
-    #[inline]
-    pub fn is_registered(&self) -> bool {
-        unsafe { (*self.waker.get()).is_some() }
     }
 
     /// Registers the waker to be notified on calls to `wake`.
@@ -51,11 +32,8 @@ impl LocalWaker {
     /// Returns `true` if waker was registered before.
     #[inline]
     pub fn register(&self, waker: &Waker) -> bool {
-        unsafe {
+        let last_waker = self.waker.replace(Some(waker.clone()));
-            let w = self.waker.get();
+        last_waker.is_some()
-            let last_waker = w.replace(Some(waker.clone()));
-            last_waker.is_some()
-        }
     }
 
     /// Calls `wake` on the last `Waker` passed to `register`.
@@ -73,7 +51,7 @@ impl LocalWaker {
     /// If a waker has not been registered, this returns `None`.
     #[inline]
     pub fn take(&self) -> Option<Waker> {
-        unsafe { (*self.waker.get()).take() }
+        self.waker.take()
     }
 }
 

rustfmt.toml

@@ -1,5 +1,2 @@
 max_width = 96
 reorder_imports = true
-#wrap_comments = true
-#fn_args_density = "Compressed"
-#use_small_heuristics = false