replace `std::net::ToSocketAddrs` with `async-std::net::ToSocketAddrs`

src/net/tcp/listener.rs

@@ -1,4 +1,3 @@
-use std::net::{self, SocketAddr, ToSocketAddrs};
 use std::pin::Pin;
 
 use cfg_if::cfg_if;
@@ -8,6 +7,7 @@ use super::TcpStream;
 use crate::future::Future;
 use crate::io;
 use crate::net::driver::IoHandle;
+use crate::net::{SocketAddr, ToSocketAddrs};
 use crate::task::{Context, Poll};
 
 /// A TCP socket server, listening for connections.
@@ -84,7 +84,7 @@ impl TcpListener {
     pub async fn bind<A: ToSocketAddrs>(addrs: A) -> io::Result<TcpListener> {
         let mut last_err = None;
 
-        for addr in addrs.to_socket_addrs()? {
+        for addr in addrs.to_socket_addrs().await? {
             match mio::net::TcpListener::bind(&addr) {
                 Ok(mio_listener) => {
                     #[cfg(unix)]
@@ -241,9 +241,9 @@ impl<'a> futures::Stream for Incoming<'a> {
     }
 }
 
-impl From<net::TcpListener> for TcpListener {
+impl From<std::net::TcpListener> for TcpListener {
     /// Converts a `std::net::TcpListener` into its asynchronous equivalent.
-    fn from(listener: net::TcpListener) -> TcpListener {
+    fn from(listener: std::net::TcpListener) -> TcpListener {
         let mio_listener = mio::net::TcpListener::from_std(listener).unwrap();
 
         #[cfg(unix)]
@@ -284,7 +284,7 @@ cfg_if! {
 
         impl FromRawFd for TcpListener {
             unsafe fn from_raw_fd(fd: RawFd) -> TcpListener {
-                net::TcpListener::from_raw_fd(fd).into()
+                std::net::TcpListener::from_raw_fd(fd).into()
             }
         }
 

src/net/tcp/stream.rs

@@ -1,6 +1,5 @@
 use std::io::{IoSlice, IoSliceMut};
 use std::mem;
-use std::net::{self, SocketAddr, ToSocketAddrs};
 use std::pin::Pin;
 
 use cfg_if::cfg_if;
@@ -9,6 +8,7 @@ use futures::io::{AsyncRead, AsyncWrite};
 
 use crate::io;
 use crate::net::driver::IoHandle;
+use crate::net::{SocketAddr, ToSocketAddrs};
 use crate::task::{Context, Poll};
 
 /// A TCP stream between a local and a remote socket.
@@ -88,7 +88,7 @@ impl TcpStream {
 
         let mut last_err = None;
 
-        for addr in addrs.to_socket_addrs()? {
+        for addr in addrs.to_socket_addrs().await? {
             let mut state = {
                 match mio::net::TcpStream::connect(&addr) {
                     Ok(mio_stream) => {
@@ -444,9 +444,9 @@ impl AsyncWrite for &TcpStream {
     }
 }
 
-impl From<net::TcpStream> for TcpStream {
+impl From<std::net::TcpStream> for TcpStream {
     /// Converts a `std::net::TcpStream` into its asynchronous equivalent.
-    fn from(stream: net::TcpStream) -> TcpStream {
+    fn from(stream: std::net::TcpStream) -> TcpStream {
         let mio_stream = mio::net::TcpStream::from_stream(stream).unwrap();
 
         #[cfg(unix)]
@@ -487,7 +487,7 @@ cfg_if! {
 
         impl FromRawFd for TcpStream {
             unsafe fn from_raw_fd(fd: RawFd) -> TcpStream {
-                net::TcpStream::from_raw_fd(fd).into()
+                std::net::TcpStream::from_raw_fd(fd).into()
             }
         }
 

src/net/udp/mod.rs

@@ -1,9 +1,10 @@
 use std::io;
-use std::net::{self, Ipv4Addr, Ipv6Addr, SocketAddr, ToSocketAddrs};
 
 use cfg_if::cfg_if;
 use futures::future;
+use std::net::{Ipv4Addr, Ipv6Addr};
 
+use crate::net::addr::{SocketAddr, ToSocketAddrs};
 use crate::net::driver::IoHandle;
 use crate::task::Poll;
 
@@ -77,7 +78,7 @@ impl UdpSocket {
     pub async fn bind<A: ToSocketAddrs>(addr: A) -> io::Result<UdpSocket> {
         let mut last_err = None;
 
-        for addr in addr.to_socket_addrs()? {
+        for addr in addr.to_socket_addrs().await? {
             match mio::net::UdpSocket::bind(&addr) {
                 Ok(mio_socket) => {
                     #[cfg(unix)]
@@ -156,7 +157,7 @@ impl UdpSocket {
     /// # Ok(()) }) }
     /// ```
     pub async fn send_to<A: ToSocketAddrs>(&self, buf: &[u8], addrs: A) -> io::Result<usize> {
-        let addr = match addrs.to_socket_addrs()?.next() {
+        let addr = match addrs.to_socket_addrs().await?.next() {
             Some(addr) => addr,
             None => {
                 return Err(io::Error::new(
@@ -243,7 +244,7 @@ impl UdpSocket {
     pub async fn connect<A: ToSocketAddrs>(&self, addrs: A) -> io::Result<()> {
         let mut last_err = None;
 
-        for addr in addrs.to_socket_addrs()? {
+        for addr in addrs.to_socket_addrs().await? {
             match self.io_handle.get_ref().connect(addr) {
                 Ok(()) => return Ok(()),
                 Err(err) => last_err = Some(err),
@@ -516,9 +517,9 @@ impl UdpSocket {
     }
 }
 
-impl From<net::UdpSocket> for UdpSocket {
+impl From<std::net::UdpSocket> for UdpSocket {
     /// Converts a `std::net::UdpSocket` into its asynchronous equivalent.
-    fn from(socket: net::UdpSocket) -> UdpSocket {
+    fn from(socket: std::net::UdpSocket) -> UdpSocket {
         let mio_socket = mio::net::UdpSocket::from_socket(socket).unwrap();
 
         #[cfg(unix)]
@@ -559,7 +560,7 @@ cfg_if! {
 
         impl FromRawFd for UdpSocket {
             unsafe fn from_raw_fd(fd: RawFd) -> UdpSocket {
-                net::UdpSocket::from_raw_fd(fd).into()
+                std::net::UdpSocket::from_raw_fd(fd).into()
             }
         }