style: apply rustfmt config

.cargo/config.toml

@@ -0,0 +1,2 @@
+[alias]
+fmt-unstable = ["fmt", "--all", "--", "--config-path", ".rustfmt.unstable.toml"]

.rustfmt.toml

@@ -0,0 +1,3 @@
+# keep in sync with .rustfmt.unstable.toml
+chain_width = 40
+style_edition = "2021"

.rustfmt.unstable.toml

@@ -0,0 +1,7 @@
+# keep in sync with .rustfmt.toml
+chain_width = 40
+style_edition = "2021"
+
+# format imports
+group_imports = "StdExternalCrate"
+imports_granularity = "Module"

ktls/src/cork_stream.rs

@@ -1,4 +1,5 @@
-use std::{io, pin::Pin, task};
+use std::pin::Pin;
+use std::{io, task};
 
 use rustls::internal::msgs::codec::Codec;
 use tokio::io::{AsyncRead, AsyncWrite, ReadBuf};

ktls/src/ffi.rs

@@ -1,10 +1,9 @@
 use std::os::unix::prelude::RawFd;
 
 use ktls_sys::bindings as ktls;
-use rustls::{
-    internal::msgs::{enums::AlertLevel, message::Message},
-    AlertDescription, ConnectionTrafficSecrets, SupportedCipherSuite,
-};
+use rustls::internal::msgs::enums::AlertLevel;
+use rustls::internal::msgs::message::Message;
+use rustls::{AlertDescription, ConnectionTrafficSecrets, SupportedCipherSuite};
 
 pub(crate) const TLS_1_2_VERSION_NUMBER: u16 = (((ktls::TLS_1_2_VERSION_MAJOR & 0xFF) as u16) << 8)
     | ((ktls::TLS_1_2_VERSION_MINOR & 0xFF) as u16);

ktls/src/ktls_stream.rs

@@ -1,15 +1,11 @@
-use nix::{
-    errno::Errno,
-    sys::socket::{recvmsg, ControlMessageOwned, MsgFlags, SockaddrIn, TlsGetRecordType},
-};
-use num_enum::FromPrimitive;
-use std::{
-    io::{self, IoSliceMut},
-    os::unix::prelude::AsRawFd,
-    pin::Pin,
-    task,
-};
+use std::io::{self, IoSliceMut};
+use std::os::unix::prelude::AsRawFd;
+use std::pin::Pin;
+use std::task;
 
+use nix::errno::Errno;
+use nix::sys::socket::{ControlMessageOwned, MsgFlags, SockaddrIn, TlsGetRecordType, recvmsg};
+use num_enum::FromPrimitive;
 use tokio::io::{AsyncRead, AsyncWrite, ReadBuf};
 
 use crate::AsyncReadReady;
@@ -163,7 +159,10 @@ where
                     }
                     TlsGetRecordType::Alert => {
                         // the alert level and description are in iovs
-                        let iov = r.iovs().next().expect("expected data in iovs");
+                        let iov = r
+                            .iovs()
+                            .next()
+                            .expect("expected data in iovs");
 
                         let (level, description) = match iov {
                             [] => {
@@ -230,7 +229,9 @@ where
                         );
                     }
                     TlsGetRecordType::ApplicationData => {
-                        unreachable!("received TLS application in recvmsg, this is supposed to happen in the poll_read codepath")
+                        unreachable!(
+                            "received TLS application in recvmsg, this is supposed to happen in the poll_read codepath"
+                        )
                     }
                     TlsGetRecordType::Unknown(t) => {
                         // just ignore the record?

ktls/src/lib.rs

@@ -1,40 +1,34 @@
-use ffi::{setup_tls_info, setup_ulp, KtlsCompatibilityError};
-use futures_util::future::try_join_all;
-use ktls_sys::bindings as sys;
-use rustls::{Connection, SupportedCipherSuite, SupportedProtocolVersion};
-
 #[cfg(all(not(feature = "ring"), not(feature = "aws_lc_rs")))]
 compile_error!("This crate needs wither the 'ring' or 'aws_lc_rs' feature enabled");
 #[cfg(all(feature = "ring", feature = "aws_lc_rs"))]
 compile_error!("The 'ring' and 'aws_lc_rs' features are mutually exclusive");
+
+mod async_read_ready;
+mod cork_stream;
+mod ffi;
+mod ktls_stream;
+
+use std::future::Future;
+use std::io;
+use std::net::SocketAddr;
+use std::os::unix::prelude::{AsRawFd, RawFd};
+
+use futures_util::future::try_join_all;
+use ktls_sys::bindings as sys;
 #[cfg(feature = "aws_lc_rs")]
 use rustls::crypto::aws_lc_rs::cipher_suite;
 #[cfg(feature = "ring")]
 use rustls::crypto::ring::cipher_suite;
-
+use rustls::{Connection, SupportedCipherSuite, SupportedProtocolVersion};
 use smallvec::SmallVec;
-use std::{
-    future::Future,
-    io,
-    net::SocketAddr,
-    os::unix::prelude::{AsRawFd, RawFd},
-};
-use tokio::{
-    io::{AsyncRead, AsyncReadExt, AsyncWrite},
-    net::{TcpListener, TcpStream},
-};
+use tokio::io::{AsyncRead, AsyncReadExt, AsyncWrite};
+use tokio::net::{TcpListener, TcpStream};
 
-mod ffi;
+pub use crate::async_read_ready::AsyncReadReady;
+pub use crate::cork_stream::CorkStream;
 pub use crate::ffi::CryptoInfo;
-
-mod async_read_ready;
-pub use async_read_ready::AsyncReadReady;
-
-mod ktls_stream;
-pub use ktls_stream::KtlsStream;
-
-mod cork_stream;
-pub use cork_stream::CorkStream;
+use crate::ffi::{KtlsCompatibilityError, setup_tls_info, setup_ulp};
+pub use crate::ktls_stream::KtlsStream;
 
 #[derive(Debug, Default)]
 pub struct CompatibleCiphers {
@@ -70,7 +64,9 @@ impl CompatibleCiphers {
             }
         };
 
-        ciphers.test_ciphers(local_addr, accept_conns_fut).await?;
+        ciphers
+            .test_ciphers(local_addr, accept_conns_fut)
+            .await?;
 
         Ok(ciphers)
     }
@@ -252,7 +248,9 @@ where
     IO: AsRawFd + AsyncRead + AsyncReadReady + AsyncWrite + Unpin,
 {
     stream.get_mut().0.corked = true;
-    let drained = drain(&mut stream).await.map_err(Error::DrainError)?;
+    let drained = drain(&mut stream)
+        .await
+        .map_err(Error::DrainError)?;
     let (io, conn) = stream.into_inner();
     let io = io.io;
 
@@ -273,7 +271,9 @@ where
     IO: AsRawFd + AsyncRead + AsyncWrite + Unpin,
 {
     stream.get_mut().0.corked = true;
-    let drained = drain(&mut stream).await.map_err(Error::DrainError)?;
+    let drained = drain(&mut stream)
+        .await
+        .map_err(Error::DrainError)?;
     let (io, conn) = stream.into_inner();
     let io = io.io;
 
@@ -290,7 +290,10 @@ async fn drain(stream: &mut (impl AsyncRead + Unpin)) -> std::io::Result<Option<
 
     loop {
         tracing::trace!("stream.read called");
-        let n = match stream.read(&mut drained[filled..]).await {
+        let n = match stream
+            .read(&mut drained[filled..])
+            .await
+        {
             Ok(n) => n,
             Err(ref e) if e.kind() == std::io::ErrorKind::UnexpectedEof => {
                 // actually this is expected for us!