Merge branch 'master' into master

README.md

@@ -2,18 +2,19 @@
 
 > A collection of lower-level libraries for composable network services.
 
-[![CI](https://github.com/actix/actix-net/actions/workflows/ci.yml/badge.svg?event=push)](https://github.com/actix/actix-net/actions/workflows/ci.yml)
+[![CI](https://github.com/actix/actix-net/actions/workflows/ci.yml/badge.svg?event=push&style=flat-square)](https://github.com/actix/actix-net/actions/workflows/ci.yml)
 [![codecov](https://codecov.io/gh/actix/actix-net/branch/master/graph/badge.svg)](https://codecov.io/gh/actix/actix-net)
 [![Chat on Discord](https://img.shields.io/discord/771444961383153695?label=chat&logo=discord)](https://discord.gg/NWpN5mmg3x)
-[![Dependency Status](https://deps.rs/repo/github/actix/actix-extras/status.svg)](https://deps.rs/repo/github/actix/actix-extras)
+[![Dependency Status](https://deps.rs/repo/github/actix/actix-net/status.svg)](https://deps.rs/repo/github/actix/actix-net)
 
-## Example
+## Examples
 
-See `actix-server/examples` and `actix-tls/examples` for some basic examples.
+See example folders for [`actix-server`](./actix-server/examples) and [`actix-tls`](./actix-tls/examples).
 
 ### MSRV
 
-This repo's Minimum Supported Rust Version (MSRV) is 1.46.0.
+Most crates in this repo's have a Minimum Supported Rust Version (MSRV) of 1.46.0. Only `actix-tls`
+and `actix-server` have MSRV of 1.52.0.
 
 ## License
 

actix-codec/src/framed.rs

@@ -193,7 +193,7 @@ impl<T, U> Framed<T, U> {
                     match this.codec.decode_eof(this.read_buf) {
                         Ok(Some(frame)) => return Poll::Ready(Some(Ok(frame))),
                         Ok(None) => return Poll::Ready(None),
-                        Err(e) => return Poll::Ready(Some(Err(e))),
+                        Err(err) => return Poll::Ready(Some(Err(err))),
                     }
                 }
 
@@ -204,7 +204,7 @@ impl<T, U> Framed<T, U> {
                         log::trace!("frame decoded from buffer");
                         return Poll::Ready(Some(Ok(frame)));
                     }
-                    Err(e) => return Poll::Ready(Some(Err(e))),
+                    Err(err) => return Poll::Ready(Some(Err(err))),
                     _ => (), // Need more data
                 }
 
@@ -221,7 +221,7 @@ impl<T, U> Framed<T, U> {
 
             let cnt = match tokio_util::io::poll_read_buf(this.io, cx, this.read_buf) {
                 Poll::Pending => return Poll::Pending,
-                Poll::Ready(Err(e)) => return Poll::Ready(Some(Err(e.into()))),
+                Poll::Ready(Err(err)) => return Poll::Ready(Some(Err(err.into()))),
                 Poll::Ready(Ok(cnt)) => cnt,
             };
 

actix-codec/tests/test_framed_sink.rs

@@ -50,7 +50,7 @@ impl Write for Bilateral {
                 assert_eq!(&data[..], &src[..data.len()]);
                 Ok(data.len())
             }
-            Some(Err(e)) => Err(e),
+            Some(Err(err)) => Err(err),
             None => panic!("unexpected write; {:?}", src),
         }
     }
@@ -67,13 +67,13 @@ impl AsyncWrite for Bilateral {
         buf: &[u8],
     ) -> Poll<Result<usize, io::Error>> {
         match Pin::get_mut(self).write(buf) {
-            Err(ref e) if e.kind() == io::ErrorKind::WouldBlock => Pending,
+            Err(ref err) if err.kind() == io::ErrorKind::WouldBlock => Pending,
             other => Ready(other),
         }
     }
     fn poll_flush(self: Pin<&mut Self>, _cx: &mut Context<'_>) -> Poll<Result<(), io::Error>> {
         match Pin::get_mut(self).flush() {
-            Err(ref e) if e.kind() == io::ErrorKind::WouldBlock => Pending,
+            Err(ref err) if err.kind() == io::ErrorKind::WouldBlock => Pending,
             other => Ready(other),
         }
     }
@@ -99,8 +99,8 @@ impl AsyncRead for Bilateral {
                 buf.put_slice(&data);
                 Ready(Ok(()))
             }
-            Some(Err(ref e)) if e.kind() == WouldBlock => Pending,
+            Some(Err(ref err)) if err.kind() == WouldBlock => Pending,
-            Some(Err(e)) => Ready(Err(e)),
+            Some(Err(err)) => Ready(Err(err)),
             None => Ready(Ok(())),
         }
     }

actix-rt/Cargo.toml

@@ -35,4 +35,4 @@ tokio-uring = { version = "0.2", optional = true }
 
 [dev-dependencies]
 tokio = { version = "1.13.1", features = ["full"] }
-hyper = { version = "0.14", default-features = false, features = ["server", "tcp", "http1"] }
+hyper = { version = "0.14.10", default-features = false, features = ["server", "tcp", "http1"] }

actix-rt/examples/hyper.rs

@@ -21,8 +21,8 @@ fn main() {
         let server =
             Server::bind(&SocketAddr::from(([127, 0, 0, 1], 3000))).serve(make_service);
 
-        if let Err(e) = server.await {
+        if let Err(err) = server.await {
-            eprintln!("server error: {}", e);
+            eprintln!("server error: {}", err);
         }
     })
 }

actix-server/src/accept.rs

@@ -127,10 +127,10 @@ impl Accept {
         let mut events = mio::Events::with_capacity(256);
 
         loop {
-            if let Err(e) = self.poll.poll(&mut events, self.timeout) {
+            if let Err(err) = self.poll.poll(&mut events, self.timeout) {
-                match e.kind() {
+                match err.kind() {
                     io::ErrorKind::Interrupted => {}
-                    _ => panic!("Poll error: {}", e),
+                    _ => panic!("Poll error: {}", err),
                 }
             }
 
@@ -298,15 +298,15 @@ impl Accept {
     fn register_logged(&self, info: &mut ServerSocketInfo) {
         match self.register(info) {
             Ok(_) => debug!("Resume accepting connections on {}", info.lst.local_addr()),
-            Err(e) => error!("Can not register server socket {}", e),
+            Err(err) => error!("Can not register server socket {}", err),
         }
     }
 
     fn deregister_logged(&self, info: &mut ServerSocketInfo) {
         match self.poll.registry().deregister(&mut info.lst) {
             Ok(_) => debug!("Paused accepting connections on {}", info.lst.local_addr()),
-            Err(e) => {
+            Err(err) => {
-                error!("Can not deregister server socket {}", e)
+                error!("Can not deregister server socket {}", err)
             }
         }
     }
@@ -396,10 +396,10 @@ impl Accept {
                     let conn = Conn { io, token };
                     self.accept_one(conn);
                 }
-                Err(ref e) if e.kind() == io::ErrorKind::WouldBlock => return,
+                Err(ref err) if err.kind() == io::ErrorKind::WouldBlock => return,
-                Err(ref e) if connection_error(e) => continue,
+                Err(ref err) if connection_error(err) => continue,
-                Err(e) => {
+                Err(err) => {
-                    error!("Error accepting connection: {}", e);
+                    error!("Error accepting connection: {}", err);
 
                     // deregister listener temporary
                     self.deregister_logged(info);

actix-server/src/builder.rs

@@ -220,10 +220,10 @@ impl ServerBuilder {
     {
         // The path must not exist when we try to bind.
         // Try to remove it to avoid bind error.
-        if let Err(e) = std::fs::remove_file(addr.as_ref()) {
+        if let Err(err) = std::fs::remove_file(addr.as_ref()) {
             // NotFound is expected and not an issue. Anything else is.
-            if e.kind() != std::io::ErrorKind::NotFound {
+            if err.kind() != std::io::ErrorKind::NotFound {
-                return Err(e);
+                return Err(err);
             }
         }
 
@@ -264,22 +264,23 @@ pub(super) fn bind_addr<S: ToSocketAddrs>(
     addr: S,
     backlog: u32,
 ) -> io::Result<Vec<MioTcpListener>> {
-    let mut err = None;
+    let mut opt_err = None;
     let mut success = false;
     let mut sockets = Vec::new();
+
     for addr in addr.to_socket_addrs()? {
         match create_mio_tcp_listener(addr, backlog) {
             Ok(lst) => {
                 success = true;
                 sockets.push(lst);
             }
-            Err(e) => err = Some(e),
+            Err(err) => opt_err = Some(err),
         }
     }
 
     if success {
         Ok(sockets)
-    } else if let Some(err) = err.take() {
+    } else if let Some(err) = opt_err.take() {
         Err(err)
     } else {
         Err(io::Error::new(

actix-server/src/service.rs

@@ -77,8 +77,8 @@ where
                 });
                 Ok(())
             }
-            Err(e) => {
+            Err(err) => {
-                error!("Can not convert to an async tcp stream: {}", e);
+                error!("Can not convert to an async tcp stream: {}", err);
                 Err(())
             }
         })

actix-service/src/map.rs

@@ -97,7 +97,7 @@ where
 
         match this.fut.poll(cx) {
             Poll::Ready(Ok(resp)) => Poll::Ready(Ok((this.f)(resp))),
-            Poll::Ready(Err(e)) => Poll::Ready(Err(e)),
+            Poll::Ready(Err(err)) => Poll::Ready(Err(err)),
             Poll::Pending => Poll::Pending,
         }
     }

actix-tls/CHANGES.md

@@ -3,6 +3,12 @@
 ## Unreleased - 2021-xx-xx
 
 
+## 3.0.2 - 2022-01-28
+- Expose `connect::Connection::new`. [#439]
+
+[#439]: https://github.com/actix/actix-net/pull/439
+
+
 ## 3.0.1 - 2022-01-11
 - No significant changes since `3.0.0`.
 
@@ -16,6 +22,7 @@
 
 [#429]: https://github.com/actix/actix-net/pull/429
 
+
 ## 3.0.0-rc.1 - 2021-11-29
 ### Added
 - Derive `Debug` for `connect::Connection`. [#422]

actix-tls/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "actix-tls"
-version = "3.0.1"
+version = "3.0.2"
 authors = [
     "Nikolay Kim <fafhrd91@gmail.com>",
     "Rob Ede <robjtede@icloud.com>",
@@ -47,7 +47,6 @@ actix-rt = { version = "2.2.0", default-features = false }
 actix-service = "2.0.0"
 actix-utils = "3.0.0"
 
-derive_more = "0.99.5"
 futures-core = { version = "0.3.7", default-features = false, features = ["alloc"] }
 log = "0.4"
 pin-project-lite = "0.2.7"

actix-tls/src/accept/mod.rs

@@ -2,11 +2,12 @@
 
 use std::{
     convert::Infallible,
+    error::Error,
+    fmt,
     sync::atomic::{AtomicUsize, Ordering},
 };
 
 use actix_utils::counter::Counter;
-use derive_more::{Display, Error};
 
 #[cfg(feature = "openssl")]
 #[cfg_attr(docsrs, doc(cfg(feature = "openssl")))]
@@ -43,23 +44,45 @@ pub fn max_concurrent_tls_connect(num: usize) {
 /// TLS handshake error, TLS timeout, or inner service error.
 ///
 /// All TLS acceptors from this crate will return the `SvcErr` type parameter as [`Infallible`],
-/// which can be cast to your own service type, inferred or otherwise,
+/// which can be cast to your own service type, inferred or otherwise, using [`into_service_error`].
-/// using [`into_service_error`](Self::into_service_error).
+///
-#[derive(Debug, Display, Error)]
+/// [`into_service_error`]: Self::into_service_error
+#[derive(Debug)]
 pub enum TlsError<TlsErr, SvcErr> {
     /// TLS handshake has timed-out.
-    #[display(fmt = "TLS handshake has timed-out")]
     Timeout,
 
     /// Wraps TLS service errors.
-    #[display(fmt = "TLS handshake error")]
     Tls(TlsErr),
 
     /// Wraps service errors.
-    #[display(fmt = "Service error")]
     Service(SvcErr),
 }
 
+impl<TlsErr, SvcErr> fmt::Display for TlsError<TlsErr, SvcErr> {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        match self {
+            Self::Timeout => f.write_str("TLS handshake has timed-out"),
+            Self::Tls(_) => f.write_str("TLS handshake error"),
+            Self::Service(_) => f.write_str("Service error"),
+        }
+    }
+}
+
+impl<TlsErr, SvcErr> Error for TlsError<TlsErr, SvcErr>
+where
+    TlsErr: Error + 'static,
+    SvcErr: Error + 'static,
+{
+    fn source(&self) -> Option<&(dyn Error + 'static)> {
+        match self {
+            TlsError::Tls(err) => Some(err),
+            TlsError::Service(err) => Some(err),
+            TlsError::Timeout => None,
+        }
+    }
+}
+
 impl<TlsErr> TlsError<TlsErr, Infallible> {
     /// Casts the infallible service error type returned from acceptors into caller's type.
     ///

actix-tls/src/accept/native_tls.rs

@@ -20,11 +20,11 @@ use actix_utils::{
     counter::Counter,
     future::{ready, Ready as FutReady},
 };
-use derive_more::{Deref, DerefMut, From};
 use futures_core::future::LocalBoxFuture;
 use tokio_native_tls::{native_tls::Error, TlsAcceptor};
 
 use super::{TlsError, DEFAULT_TLS_HANDSHAKE_TIMEOUT, MAX_CONN_COUNTER};
+use crate::impl_more;
 
 pub mod reexports {
     //! Re-exports from `native-tls` that are useful for acceptors.
@@ -33,9 +33,12 @@ pub mod reexports {
 }
 
 /// Wraps a `native-tls` based async TLS stream in order to implement [`ActixStream`].
-#[derive(Deref, DerefMut, From)]
 pub struct TlsStream<IO>(tokio_native_tls::TlsStream<IO>);
 
+impl_more::from! { tokio_native_tls::TlsStream<IO> => TlsStream<IO> }
+impl_more::deref! { TlsStream<IO> => 0: tokio_native_tls::TlsStream<IO> }
+impl_more::deref_mut! { TlsStream<IO> => 0 }
+
 impl<IO: ActixStream> AsyncRead for TlsStream<IO> {
     fn poll_read(
         self: Pin<&mut Self>,

actix-tls/src/accept/openssl.rs

@@ -21,11 +21,11 @@ use actix_utils::{
     counter::{Counter, CounterGuard},
     future::{ready, Ready as FutReady},
 };
-use derive_more::{Deref, DerefMut, From};
 use openssl::ssl::{Error, Ssl, SslAcceptor};
 use pin_project_lite::pin_project;
 
 use super::{TlsError, DEFAULT_TLS_HANDSHAKE_TIMEOUT, MAX_CONN_COUNTER};
+use crate::impl_more;
 
 pub mod reexports {
     //! Re-exports from `openssl` that are useful for acceptors.
@@ -36,9 +36,12 @@ pub mod reexports {
 }
 
 /// Wraps an `openssl` based async TLS stream in order to implement [`ActixStream`].
-#[derive(Deref, DerefMut, From)]
 pub struct TlsStream<IO>(tokio_openssl::SslStream<IO>);
 
+impl_more::from! { tokio_openssl::SslStream<IO> => TlsStream<IO> }
+impl_more::deref! { TlsStream<IO> => 0: tokio_openssl::SslStream<IO> }
+impl_more::deref_mut! { TlsStream<IO> => 0 }
+
 impl<IO: ActixStream> AsyncRead for TlsStream<IO> {
     fn poll_read(
         self: Pin<&mut Self>,

actix-tls/src/accept/rustls.rs

@@ -22,12 +22,12 @@ use actix_utils::{
     counter::{Counter, CounterGuard},
     future::{ready, Ready as FutReady},
 };
-use derive_more::{Deref, DerefMut, From};
 use pin_project_lite::pin_project;
 use tokio_rustls::rustls::ServerConfig;
 use tokio_rustls::{Accept, TlsAcceptor};
 
 use super::{TlsError, DEFAULT_TLS_HANDSHAKE_TIMEOUT, MAX_CONN_COUNTER};
+use crate::impl_more;
 
 pub mod reexports {
     //! Re-exports from `rustls` that are useful for acceptors.
@@ -36,9 +36,12 @@ pub mod reexports {
 }
 
 /// Wraps a `rustls` based async TLS stream in order to implement [`ActixStream`].
-#[derive(Deref, DerefMut, From)]
 pub struct TlsStream<IO>(tokio_rustls::server::TlsStream<IO>);
 
+impl_more::from! { tokio_rustls::server::TlsStream<IO> => TlsStream<IO> }
+impl_more::deref! { TlsStream<IO> => 0: tokio_rustls::server::TlsStream<IO> }
+impl_more::deref_mut! { TlsStream<IO> => 0 }
+
 impl<IO: ActixStream> AsyncRead for TlsStream<IO> {
     fn poll_read(
         self: Pin<&mut Self>,

actix-tls/src/connect/connection.rs

@@ -1,20 +1,19 @@
-use derive_more::{Deref, DerefMut};
-
 use super::Host;
+use crate::impl_more;
 
 /// Wraps underlying I/O and the connection request that initiated it.
-#[derive(Debug, Deref, DerefMut)]
+#[derive(Debug)]
 pub struct Connection<R, IO> {
     pub(crate) req: R,
-
-    #[deref]
-    #[deref_mut]
     pub(crate) io: IO,
 }
 
+impl_more::deref! { Connection<R, IO> => io: IO }
+impl_more::deref_mut! { Connection<R, IO> => io }
+
 impl<R, IO> Connection<R, IO> {
     /// Construct new `Connection` from request and IO parts.
-    pub(crate) fn new(req: R, io: IO) -> Self {
+    pub fn new(req: R, io: IO) -> Self {
         Self { req, io }
     }
 }

actix-tls/src/connect/error.rs

@@ -1,30 +1,38 @@
-use std::{error::Error, io};
+use std::{error::Error, fmt, io};
-
-use derive_more::Display;
 
 /// Errors that can result from using a connector service.
-#[derive(Debug, Display)]
+#[derive(Debug)]
 pub enum ConnectError {
-    /// Failed to resolve the hostname
+    /// Failed to resolve the hostname.
-    #[display(fmt = "Failed resolving hostname")]
     Resolver(Box<dyn std::error::Error>),
 
-    /// No DNS records
+    /// No DNS records.
-    #[display(fmt = "No DNS records found for the input")]
     NoRecords,
 
-    /// Invalid input
+    /// Invalid input.
     InvalidInput,
 
-    /// Unresolved host name
+    /// Unresolved host name.
-    #[display(fmt = "Connector received `Connect` method with unresolved host")]
     Unresolved,
 
-    /// Connection IO error
+    /// Connection IO error.
-    #[display(fmt = "{}", _0)]
     Io(io::Error),
 }
 
+impl fmt::Display for ConnectError {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        match self {
+            Self::NoRecords => f.write_str("No DNS records found for the input"),
+            Self::InvalidInput => f.write_str("Invalid input"),
+            Self::Unresolved => {
+                f.write_str("Connector received `Connect` method with unresolved host")
+            }
+            Self::Resolver(_) => f.write_str("Failed to resolve hostname"),
+            Self::Io(_) => f.write_str("I/O error"),
+        }
+    }
+}
+
 impl Error for ConnectError {
     fn source(&self) -> Option<&(dyn Error + 'static)> {
         match self {

actix-tls/src/connect/openssl.rs

@@ -141,9 +141,12 @@ where
                 trace!("SSL Handshake success: {:?}", stream.hostname());
                 Poll::Ready(Ok(stream.replace_io(this.io.take().unwrap()).1))
             }
-            Err(e) => {
+            Err(err) => {
-                trace!("SSL Handshake error: {:?}", e);
+                trace!("SSL Handshake error: {:?}", err);
-                Poll::Ready(Err(io::Error::new(io::ErrorKind::Other, format!("{}", e))))
+                Poll::Ready(Err(io::Error::new(
+                    io::ErrorKind::Other,
+                    format!("{}", err),
+                )))
             }
         }
     }

actix-tls/src/connect/resolver.rs

@@ -164,8 +164,8 @@ impl<R: Host> Future for ResolverFut<R> {
             Self::LookUp(fut, req) => {
                 let res = match ready!(Pin::new(fut).poll(cx)) {
                     Ok(Ok(res)) => Ok(res),
-                    Ok(Err(e)) => Err(ConnectError::Resolver(Box::new(e))),
+                    Ok(Err(err)) => Err(ConnectError::Resolver(Box::new(err))),
-                    Err(e) => Err(ConnectError::Io(e.into())),
+                    Err(err) => Err(ConnectError::Io(err.into())),
                 };
 
                 let req = req.take().unwrap();

actix-tls/src/impl_more.rs

@@ -0,0 +1,40 @@
+/// A helper to implement `Deref` for a type.
+#[macro_export]
+macro_rules! deref {
+    ($ty:ident $(<$($generic:ident),*>)? => $field:tt: $target:ty) => {
+        impl $(<$($generic),*>)? ::core::ops::Deref for $ty $(<$($generic),*>)? {
+            type Target = $target;
+
+            fn deref(&self) -> &Self::Target {
+                &self.$field
+            }
+        }
+    };
+}
+
+/// A helper to implement `DerefMut` for a type.
+#[macro_export]
+macro_rules! deref_mut {
+    ($ty:ident $(<$($generic:ident),*>)? => $field:tt) => {
+        impl $(<$($generic),*>)? ::core::ops::DerefMut for $ty $(<$($generic),*>)? {
+            fn deref_mut(&mut self) -> &mut Self::Target {
+                &mut self.$field
+            }
+        }
+    };
+}
+
+/// A helper to implement `From` for a unit struct.
+#[macro_export]
+macro_rules! from {
+    ($from:ty => $ty:ident $(<$($generic:ident),*>)?) => {
+        impl $(<$($generic),*>)? ::core::convert::From<$from> for $ty $(<$($generic),*>)? {
+            fn from(from: $from) -> Self {
+                Self(from)
+            }
+        }
+    };
+}
+
+#[allow(unused_imports)]
+pub(crate) use crate::{deref, deref_mut, from};

actix-tls/src/lib.rs

@@ -18,3 +18,5 @@ pub mod accept;
 #[cfg(feature = "connect")]
 #[cfg_attr(docsrs, doc(cfg(feature = "connect")))]
 pub mod connect;
+
+mod impl_more;