fixed local-redir compatibility build on windows

Author: zonyitoo

crates/shadowsocks-service/src/config.rs

@@ -43,6 +43,8 @@
 
 #[cfg(any(target_os = "linux", target_os = "android", target_os = "macos", target_os = "ios"))]
 use std::ffi::OsString;
+#[cfg(any(unix, target_os = "android", feature = "local-flow-stat"))]
+use std::path::PathBuf;
 use std::{
     convert::{From, Infallible},
     default::Default,
@@ -51,7 +53,7 @@ use std::{
     io::Read,
     net::{IpAddr, Ipv4Addr, Ipv6Addr, SocketAddr, SocketAddrV4, SocketAddrV6},
     option::Option,
-    path::{Path, PathBuf},
+    path::Path,
     str::FromStr,
     string::ToString,
     time::Duration,

crates/shadowsocks-service/src/local/redir/udprelay/sys/windows/mod.rs

@@ -1,6 +1,13 @@
-use std::{io, net::SocketAddr};
+use std::{
+    io,
+    net::SocketAddr,
+    task::{Context, Poll},
+};
 
-use crate::{config::RedirType, local::redir::redir_ext::UdpSocketRedir};
+use crate::{
+    config::RedirType,
+    local::redir::redir_ext::{RedirSocketOpts, UdpSocketRedir},
+};
 
 pub struct UdpRedirSocket;
 
@@ -15,7 +22,7 @@ impl UdpRedirSocket {
     /// Create a new UDP socket binded to `addr`
     ///
     /// This will allow binding to `addr` that is not in local host
-    pub fn bind_nonlocal(ty: RedirType, addr: SocketAddr) -> io::Result<UdpRedirSocket> {
+    pub fn bind_nonlocal(ty: RedirType, addr: SocketAddr, _redir_opts: &RedirSocketOpts) -> io::Result<UdpRedirSocket> {
         UdpRedirSocket::bind(ty, addr, true)
     }
 
@@ -24,7 +31,7 @@ impl UdpRedirSocket {
     }
 
     /// Send data to the socket to the given target address
-    pub async fn send_to(&mut self, _buf: &[u8], _target: &SocketAddr) -> io::Result<usize> {
+    pub async fn send_to(&mut self, _buf: &[u8], _target: SocketAddr) -> io::Result<usize> {
         unimplemented!("UDP transparent proxy is not supported on Windows")
     }
 

crates/shadowsocks-service/src/manager/mod.rs

@@ -4,7 +4,7 @@
 
 use std::{io, sync::Arc};
 
-use log::{trace, warn};
+use log::trace;
 use shadowsocks::net::{AcceptOpts, ConnectOpts};
 
 use crate::{
@@ -26,7 +26,7 @@ pub async fn run(config: Config) -> io::Result<()> {
     if let Some(nofile) = config.nofile {
         use crate::sys::set_nofile;
         if let Err(err) = set_nofile(nofile) {
-            warn!("set_nofile {} failed, error: {}", nofile, err);
+            log::warn!("set_nofile {} failed, error: {}", nofile, err);
         }
     }