feat: impls AsSocket, AsRawSocket for UdpSocket

Author: zonyitoo

crates/shadowsocks/src/net/udp.rs

@@ -414,3 +414,17 @@ impl std::os::fd::AsFd for UdpSocket {
         self.socket.as_fd()
     }
 }
+
+#[cfg(windows)]
+impl std::os::windows::io::AsRawSocket for UdpSocket {
+    fn as_raw_socket(&self) -> std::os::windows::io::RawSocket {
+        self.socket.as_raw_socket()
+    }
+}
+
+#[cfg(windows)]
+impl std::os::windows::io::AsSocket for UdpSocket {
+    fn as_socket(&self) -> std::os::windows::io::BorrowedSocket<'_> {
+        self.socket.as_socket();
+    }
+}