Merge pull request #119 from JohnTitor/futures

Minimize `futures-*` dependencies

actix-codec/Cargo.toml

@@ -19,8 +19,8 @@ path = "src/lib.rs"
 [dependencies]
 bitflags = "1.2.1"
 bytes = "0.5.2"
-futures-core = "0.3.1"
+futures-core = { version = "0.3.4", default-features = false }
-futures-sink = "0.3.1"
+futures-sink = { version = "0.3.4", default-features = false }
 tokio = { version = "0.2.4", default-features=false }
 tokio-util = { version = "0.2.0", default-features=false, features=["codec"] }
 log = "0.4"

actix-connect/Cargo.toml

@@ -37,7 +37,7 @@ actix-utils = "1.0.6"
 actix-rt = "1.0.0"
 derive_more = "0.99.2"
 either = "1.5.3"
-futures = "0.3.1"
+futures-util = { version = "0.3.4", default-features = false }
 http = { version = "0.2.0", optional = true }
 log = "0.4"
 trust-dns-proto = { version = "0.19", default-features = false, features = ["tokio-runtime"] }

actix-connect/src/connector.rs

@@ -8,7 +8,7 @@ use std::task::{Context, Poll};
 
 use actix_rt::net::TcpStream;
 use actix_service::{Service, ServiceFactory};
-use futures::future::{err, ok, BoxFuture, Either, FutureExt, Ready};
+use futures_util::future::{err, ok, BoxFuture, Either, FutureExt, Ready};
 
 use super::connect::{Address, Connect, Connection};
 use super::error::ConnectError;

actix-connect/src/resolve.rs

@@ -5,7 +5,7 @@ use std::pin::Pin;
 use std::task::{Context, Poll};
 
 use actix_service::{Service, ServiceFactory};
-use futures::future::{ok, Either, Ready};
+use futures_util::future::{ok, Either, Ready};
 use trust_dns_resolver::TokioAsyncResolver as AsyncResolver;
 use trust_dns_resolver::{error::ResolveError, lookup_ip::LookupIp};
 

actix-connect/src/service.rs

@@ -5,7 +5,7 @@ use std::task::{Context, Poll};
 use actix_rt::net::TcpStream;
 use actix_service::{Service, ServiceFactory};
 use either::Either;
-use futures::future::{ok, Ready};
+use futures_util::future::{ok, Ready};
 use trust_dns_resolver::TokioAsyncResolver as AsyncResolver;
 
 use crate::connect::{Address, Connect, Connection};

actix-connect/src/ssl/openssl.rs

@@ -10,7 +10,7 @@ pub use tokio_openssl::{HandshakeError, SslStream};
 use actix_codec::{AsyncRead, AsyncWrite};
 use actix_rt::net::TcpStream;
 use actix_service::{Service, ServiceFactory};
-use futures::future::{err, ok, Either, FutureExt, LocalBoxFuture, Ready};
+use futures_util::future::{err, ok, Either, FutureExt, LocalBoxFuture, Ready};
 use trust_dns_resolver::TokioAsyncResolver as AsyncResolver;
 
 use crate::{
@@ -243,7 +243,7 @@ impl<T: Address> Future for OpensslConnectServiceResponse<T> {
 
     fn poll(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
         if let Some(ref mut fut) = self.fut1 {
-            match futures::ready!(Pin::new(fut).poll(cx)) {
+            match futures_util::ready!(Pin::new(fut).poll(cx)) {
                 Ok(res) => {
                     let _ = self.fut1.take();
                     self.fut2 = Some(self.openssl.call(res));
@@ -253,7 +253,7 @@ impl<T: Address> Future for OpensslConnectServiceResponse<T> {
         }
 
         if let Some(ref mut fut) = self.fut2 {
-            match futures::ready!(Pin::new(fut).poll(cx)) {
+            match futures_util::ready!(Pin::new(fut).poll(cx)) {
                 Ok(connect) => Poll::Ready(Ok(connect.into_parts().0)),
                 Err(e) => Poll::Ready(Err(ConnectError::Io(io::Error::new(
                     io::ErrorKind::Other,

actix-connect/src/ssl/rustls.rs

@@ -10,7 +10,7 @@ pub use tokio_rustls::{client::TlsStream, rustls::ClientConfig};
 
 use actix_codec::{AsyncRead, AsyncWrite};
 use actix_service::{Service, ServiceFactory};
-use futures::future::{ok, Ready};
+use futures_util::future::{ok, Ready};
 use tokio_rustls::{Connect, TlsConnector};
 use webpki::DNSNameRef;
 
@@ -126,7 +126,7 @@ where
     fn poll(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
         let this = self.get_mut();
         Poll::Ready(
-            futures::ready!(Pin::new(&mut this.fut).poll(cx)).map(|stream| {
+            futures_util::ready!(Pin::new(&mut this.fut).poll(cx)).map(|stream| {
                 let s = this.stream.take().unwrap();
                 trace!("SSL Handshake success: {:?}", s.host());
                 s.replace(stream).1

actix-connect/tests/test_connect.rs

@@ -5,7 +5,7 @@ use actix_rt::net::TcpStream;
 use actix_service::{fn_service, Service, ServiceFactory};
 use actix_testing::TestServer;
 use bytes::Bytes;
-use futures::SinkExt;
+use futures_util::sink::SinkExt;
 
 use actix_connect::resolver::{ResolverConfig, ResolverOpts};
 use actix_connect::Connect;

actix-ioframe/Cargo.toml

@@ -22,10 +22,12 @@ actix-utils = "1.0.4"
 actix-rt = "1.0.0"
 bytes = "0.5.3"
 either = "1.5.3"
-futures = "0.3.1"
+futures-sink = { version = "0.3.4", default-features = false }
+futures-core = { version = "0.3.4", default-features = false }
 pin-project = "0.4.6"
 log = "0.4"
 
 [dev-dependencies]
 actix-connect = "2.0.0-alpha.2"
 actix-testing = "1.0.0"
+futures-util = { version = "0.3.4", default-features = false }

actix-ioframe/src/connect.rs

@@ -4,7 +4,7 @@ use std::task::{Context, Poll};
 
 use actix_codec::{AsyncRead, AsyncWrite, Decoder, Encoder, Framed};
 use actix_utils::mpsc::Receiver;
-use futures::Stream;
+use futures_core::stream::Stream;
 
 pub struct Connect<Io, Codec>
 where
@@ -90,7 +90,7 @@ where
     }
 }
 
-impl<Io, St, Codec, Out> futures::Sink<<Codec as Encoder>::Item>
+impl<Io, St, Codec, Out> futures_sink::Sink<<Codec as Encoder>::Item>
     for ConnectResult<Io, St, Codec, Out>
 where
     Io: AsyncRead + AsyncWrite,

actix-ioframe/src/dispatcher.rs

@@ -5,7 +5,7 @@ use std::task::{Context, Poll};
 use actix_codec::{AsyncRead, AsyncWrite, Decoder, Encoder, Framed};
 use actix_service::Service;
 use actix_utils::mpsc;
-use futures::Stream;
+use futures_core::stream::Stream;
 use pin_project::pin_project;
 use log::debug;
 

actix-ioframe/src/service.rs

@@ -7,7 +7,7 @@ use std::task::{Context, Poll};
 use actix_codec::{AsyncRead, AsyncWrite, Decoder, Encoder, Framed};
 use actix_service::{IntoService, IntoServiceFactory, Service, ServiceFactory};
 use either::Either;
-use futures::{ready, Stream};
+use futures_core::{ready, stream::Stream};
 use pin_project::project;
 
 use crate::connect::{Connect, ConnectResult};

actix-ioframe/tests/test_server.rs

@@ -6,7 +6,7 @@ use actix_service::{fn_factory_with_config, fn_service, IntoService, Service};
 use actix_testing::TestServer;
 use actix_utils::mpsc;
 use bytes::{Bytes, BytesMut};
-use futures::future::ok;
+use futures_util::future::ok;
 
 use actix_ioframe::{Builder, Connect, FactoryBuilder};
 

actix-rt/Cargo.toml

@@ -18,7 +18,7 @@ path = "src/lib.rs"
 [dependencies]
 actix-macros = "0.1.0"
 actix-threadpool = "0.3"
-futures-channel = { version = "0.3.1", default-features = false }
+futures-channel = { version = "0.3.4", default-features = false }
-futures-util = { version = "0.3.1", default-features = false }
+futures-util = { version = "0.3.4", default-features = false, features = ["alloc"] }
 copyless = "0.1.4"
 tokio = { version = "0.2.6", default-features = false, features = ["rt-core", "rt-util", "io-driver", "tcp", "uds", "udp", "time", "signal", "stream"] }

actix-server/Cargo.toml

@@ -30,7 +30,8 @@ log = "0.4"
 num_cpus = "1.11"
 mio = "0.6.19"
 net2 = "0.2"
-futures = "0.3.1"
+futures-channel = { version = "0.3.4", default-features = false }
+futures-util = { version = "0.3.4", default-features = false, features = ["sink"] }
 slab = "0.4"
 
 # unix domain sockets
@@ -40,4 +41,4 @@ mio-uds = { version = "0.6.7" }
 [dev-dependencies]
 bytes = "0.5"
 env_logger = "0.7"
-actix-testing = "1.0.0"
+actix-testing = "1.0.0"

actix-server/src/builder.rs

@@ -6,11 +6,11 @@ use std::{io, mem, net};
 use actix_rt::net::TcpStream;
 use actix_rt::time::{delay_until, Instant};
 use actix_rt::{spawn, System};
-use futures::channel::mpsc::{unbounded, UnboundedReceiver};
+use futures_channel::mpsc::{unbounded, UnboundedReceiver};
-use futures::channel::oneshot;
+use futures_channel::oneshot;
-use futures::future::ready;
+use futures_util::future::ready;
-use futures::stream::FuturesUnordered;
+use futures_util::stream::FuturesUnordered;
-use futures::{ready, Future, FutureExt, Stream, StreamExt};
+use futures_util::{ready, future::Future, FutureExt, stream::Stream, StreamExt};
 use log::{error, info};
 use net2::TcpBuilder;
 

actix-server/src/config.rs

@@ -4,7 +4,7 @@ use std::{fmt, io, net};
 use actix_rt::net::TcpStream;
 use actix_service as actix;
 use actix_utils::counter::CounterGuard;
-use futures::future::{ok, Future, FutureExt, LocalBoxFuture};
+use futures_util::future::{ok, Future, FutureExt, LocalBoxFuture};
 use log::error;
 
 use super::builder::bind_addr;

actix-server/src/server.rs

@@ -3,9 +3,9 @@ use std::io;
 use std::pin::Pin;
 use std::task::{Context, Poll};
 
-use futures::channel::mpsc::UnboundedSender;
+use futures_channel::mpsc::UnboundedSender;
-use futures::channel::oneshot;
+use futures_channel::oneshot;
-use futures::FutureExt;
+use futures_util::FutureExt;
 
 use crate::builder::ServerBuilder;
 use crate::signals::Signal;

actix-server/src/service.rs

@@ -6,8 +6,8 @@ use std::time::Duration;
 use actix_rt::spawn;
 use actix_service::{self as actix, Service, ServiceFactory as ActixServiceFactory};
 use actix_utils::counter::CounterGuard;
-use futures::future::{err, ok, LocalBoxFuture, Ready};
+use futures_util::future::{err, ok, LocalBoxFuture, Ready};
-use futures::{FutureExt, TryFutureExt};
+use futures_util::{FutureExt, TryFutureExt};
 use log::error;
 
 use super::Token;

actix-server/src/signals.rs

@@ -3,7 +3,7 @@ use std::io;
 use std::pin::Pin;
 use std::task::{Context, Poll};
 
-use futures::future::lazy;
+use futures_util::future::lazy;
 
 use crate::server::Server;
 

actix-server/src/worker.rs

@@ -7,10 +7,10 @@ use std::time;
 use actix_rt::time::{delay_until, Delay, Instant};
 use actix_rt::{spawn, Arbiter};
 use actix_utils::counter::Counter;
-use futures::channel::mpsc::{unbounded, UnboundedReceiver, UnboundedSender};
+use futures_channel::mpsc::{unbounded, UnboundedReceiver, UnboundedSender};
-use futures::channel::oneshot;
+use futures_channel::oneshot;
-use futures::future::{join_all, LocalBoxFuture, MapOk};
+use futures_util::future::{join_all, LocalBoxFuture, MapOk};
-use futures::{Future, FutureExt, Stream, TryFutureExt};
+use futures_util::{future::Future, FutureExt, stream::Stream, TryFutureExt};
 use log::{error, info, trace};
 
 use crate::accept::AcceptNotify;

actix-server/tests/test_server.rs

@@ -4,7 +4,7 @@ use std::{net, thread, time};
 
 use actix_server::Server;
 use actix_service::fn_service;
-use futures::future::{lazy, ok};
+use futures_util::future::{lazy, ok};
 use net2::TcpBuilder;
 
 fn unused_addr() -> net::SocketAddr {
@@ -71,7 +71,7 @@ fn test_start() {
     use actix_codec::{BytesCodec, Framed};
     use actix_rt::net::TcpStream;
     use bytes::Bytes;
-    use futures::SinkExt;
+    use futures_util::sink::SinkExt;
     use std::io::Read;
 
     let addr = unused_addr();

actix-testing/Cargo.toml

@@ -24,4 +24,3 @@ actix-service = "1.0.0"
 
 log = "0.4"
 net2 = "0.2"
-futures = "0.3.1"

actix-tls/Cargo.toml

@@ -38,7 +38,7 @@ actix-utils = "1.0.0"
 actix-rt = "1.0.0"
 derive_more = "0.99.2"
 either = "1.5.2"
-futures = "0.3.1"
+futures-util = { version = "0.3.4", default-features = false }
 log = "0.4"
 
 # openssl

actix-tls/src/nativetls.rs

@@ -4,7 +4,7 @@ use std::task::{Context, Poll};
 use actix_codec::{AsyncRead, AsyncWrite};
 use actix_service::{Service, ServiceFactory};
 use actix_utils::counter::Counter;
-use futures::future::{self, FutureExt, LocalBoxFuture, TryFutureExt};
+use futures_util::future::{self, FutureExt, LocalBoxFuture, TryFutureExt};
 pub use native_tls::Error;
 pub use tokio_tls::{TlsAcceptor, TlsStream};
 

actix-tls/src/openssl.rs

@@ -9,7 +9,7 @@ pub use tokio_openssl::{HandshakeError, SslStream};
 use actix_codec::{AsyncRead, AsyncWrite};
 use actix_service::{Service, ServiceFactory};
 use actix_utils::counter::{Counter, CounterGuard};
-use futures::future::{ok, FutureExt, LocalBoxFuture, Ready};
+use futures_util::future::{ok, FutureExt, LocalBoxFuture, Ready};
 
 use crate::MAX_CONN_COUNTER;
 
@@ -105,7 +105,7 @@ impl<T: AsyncRead + AsyncWrite + Unpin> Future for AcceptorServiceResponse<T> {
     type Output = Result<SslStream<T>, HandshakeError<T>>;
 
     fn poll(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
-        let io = futures::ready!(Pin::new(&mut self.fut).poll(cx))?;
+        let io = futures_util::ready!(Pin::new(&mut self.fut).poll(cx))?;
         Poll::Ready(Ok(io))
     }
 }

actix-tls/src/rustls.rs

@@ -8,7 +8,7 @@ use std::task::{Context, Poll};
 use actix_codec::{AsyncRead, AsyncWrite};
 use actix_service::{Service, ServiceFactory};
 use actix_utils::counter::{Counter, CounterGuard};
-use futures::future::{ok, Ready};
+use futures_util::future::{ok, Ready};
 use tokio_rustls::{Accept, TlsAcceptor};
 
 pub use rust_tls::{ServerConfig, Session};
@@ -108,7 +108,7 @@ impl<T: AsyncRead + AsyncWrite + Unpin> Future for AcceptorServiceFut<T> {
     fn poll(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
         let this = self.get_mut();
 
-        let res = futures::ready!(Pin::new(&mut this.fut).poll(cx));
+        let res = futures_util::ready!(Pin::new(&mut this.fut).poll(cx));
         match res {
             Ok(io) => Poll::Ready(Ok(io)),
             Err(e) => Poll::Ready(Err(e)),

actix-tracing/Cargo.toml

@@ -17,7 +17,7 @@ path = "src/lib.rs"
 
 [dependencies]
 actix-service = "1.0.4"
-futures-util = "0.3.1"
+futures-util = { version = "0.3.4", default-features = false }
 tracing = "0.1"
 tracing-futures = "0.2"
 

actix-utils/Cargo.toml

@@ -22,7 +22,9 @@ actix-codec = "0.2.0"
 bitflags = "1.2"
 bytes = "0.5.3"
 either = "1.5.3"
-futures = "0.3.1"
+futures-channel = { version = "0.3.4", default-features = false }
+futures-sink = { version = "0.3.4", default-features = false }
+futures-util = { version = "0.3.4", default-features = false }
 pin-project = "0.4.6"
 log = "0.4"
 slab = "0.4"

actix-utils/src/condition.rs

@@ -96,7 +96,7 @@ impl Drop for Waiter {
 #[cfg(test)]
 mod tests {
     use super::*;
-    use futures::future::lazy;
+    use futures_util::future::lazy;
 
     #[actix_rt::test]
     async fn test_condition() {

actix-utils/src/either.rs

@@ -3,7 +3,7 @@ use std::pin::Pin;
 use std::task::{Context, Poll};
 
 use actix_service::{Service, ServiceFactory};
-use futures::{future, ready, Future};
+use futures_util::{future, ready, future::Future};
 
 /// Combine two different service types into a single type.
 ///

actix-utils/src/framed.rs

@@ -6,7 +6,7 @@ use std::{fmt, mem};
 
 use actix_codec::{AsyncRead, AsyncWrite, Decoder, Encoder, Framed};
 use actix_service::{IntoService, Service};
-use futures::{Future, FutureExt, Stream};
+use futures_util::{future::Future, FutureExt, stream::Stream};
 use log::debug;
 
 use crate::mpsc;

actix-utils/src/inflight.rs

@@ -4,7 +4,7 @@ use std::pin::Pin;
 use std::task::{Context, Poll};
 
 use actix_service::{IntoService, Service, Transform};
-use futures::future::{ok, Ready};
+use futures_util::future::{ok, Ready};
 
 use super::counter::{Counter, CounterGuard};
 
@@ -116,7 +116,7 @@ mod tests {
 
     use super::*;
     use actix_service::{apply, fn_factory, Service, ServiceFactory};
-    use futures::future::{lazy, ok, FutureExt, LocalBoxFuture};
+    use futures_util::future::{lazy, ok, FutureExt, LocalBoxFuture};
 
     struct SleepService(Duration);
 

actix-utils/src/keepalive.rs

@@ -7,7 +7,7 @@ use std::time::Duration;
 
 use actix_rt::time::{delay_until, Delay, Instant};
 use actix_service::{Service, ServiceFactory};
-use futures::future::{ok, Ready};
+use futures_util::future::{ok, Ready};
 
 use super::time::{LowResTime, LowResTimeService};
 

actix-utils/src/mpsc.rs

@@ -6,7 +6,8 @@ use std::fmt;
 use std::pin::Pin;
 use std::task::{Context, Poll};
 
-use futures::{Sink, Stream};
+use futures_sink::Sink;
+use futures_util::stream::Stream;
 
 use crate::cell::Cell;
 use crate::task::LocalWaker;
@@ -180,8 +181,8 @@ impl<T> SendError<T> {
 #[cfg(test)]
 mod tests {
     use super::*;
-    use futures::future::lazy;
+    use futures_util::future::lazy;
-    use futures::{Stream, StreamExt};
+    use futures_util::{stream::Stream, StreamExt};
 
     #[actix_rt::test]
     async fn test_mpsc() {

actix-utils/src/oneshot.rs

@@ -3,7 +3,7 @@ use std::future::Future;
 use std::pin::Pin;
 use std::task::{Context, Poll};
 
-pub use futures::channel::oneshot::Canceled;
+pub use futures_channel::oneshot::Canceled;
 use slab::Slab;
 
 use crate::cell::Cell;
@@ -253,7 +253,7 @@ impl<T> Future for PReceiver<T> {
 #[cfg(test)]
 mod tests {
     use super::*;
-    use futures::future::lazy;
+    use futures_util::future::lazy;
 
     #[actix_rt::test]
     async fn test_oneshot() {

actix-utils/src/order.rs

@@ -8,7 +8,7 @@ use std::rc::Rc;
 use std::task::{Context, Poll};
 
 use actix_service::{IntoService, Service, Transform};
-use futures::future::{ok, Ready};
+use futures_util::future::{ok, Ready};
 
 use crate::oneshot;
 use crate::task::LocalWaker;
@@ -210,8 +210,8 @@ mod tests {
 
     use super::*;
     use actix_service::Service;
-    use futures::channel::oneshot;
+    use futures_channel::oneshot;
-    use futures::future::{lazy, poll_fn, FutureExt, LocalBoxFuture};
+    use futures_util::future::{lazy, poll_fn, FutureExt, LocalBoxFuture};
 
     struct Srv;
 

actix-utils/src/stream.rs

@@ -3,7 +3,7 @@ use std::pin::Pin;
 use std::task::{Context, Poll};
 
 use actix_service::{IntoService, Service};
-use futures::{FutureExt, Stream};
+use futures_util::{FutureExt, stream::Stream};
 
 use crate::mpsc;
 

actix-utils/src/time.rs

@@ -4,7 +4,7 @@ use std::time::{self, Duration, Instant};
 
 use actix_rt::time::delay_for;
 use actix_service::{Service, ServiceFactory};
-use futures::future::{ok, ready, FutureExt, Ready};
+use futures_util::future::{ok, ready, FutureExt, Ready};
 
 use super::cell::Cell;
 

actix-utils/src/timeout.rs

@@ -10,7 +10,7 @@ use std::{fmt, time};
 
 use actix_rt::time::{delay_for, Delay};
 use actix_service::{IntoService, Service, Transform};
-use futures::future::{ok, Ready};
+use futures_util::future::{ok, Ready};
 
 /// Applies a timeout to requests.
 #[derive(Debug)]
@@ -183,7 +183,7 @@ mod tests {
 
     use super::*;
     use actix_service::{apply, fn_factory, Service, ServiceFactory};
-    use futures::future::{ok, FutureExt, LocalBoxFuture};
+    use futures_util::future::{ok, FutureExt, LocalBoxFuture};
 
     struct SleepService(Duration);
 

examples/basic.rs

@@ -11,7 +11,7 @@ use actix_codec::{AsyncRead, AsyncWrite};
 use actix_rt::System;
 use actix_server::{Io, Server};
 use actix_service::{service_fn, NewService};
-use futures::{future, Future};
+use futures_util::{future, Future};
 use openssl::ssl::{SslAcceptor, SslFiletype, SslMethod};
 use tokio_openssl::SslAcceptorExt;
 

examples/ssl.rs

@@ -7,7 +7,7 @@ use std::sync::{
 use actix_rt::System;
 use actix_server::{ssl, Server};
 use actix_service::NewService;
-use futures::future;
+use futures_util::future;
 use openssl::ssl::{SslAcceptor, SslFiletype, SslMethod};
 
 #[derive(Debug)]