feat(sni_sniffer): normalize address

rd-interface/src/address.rs

@@ -257,6 +257,18 @@ impl Address {
         }
     }
 
+    /// parse domain first, if it can be parsed as IP address,
+    /// then return it, otherwise return the original domain.
+    pub fn into_normalized(self) -> Address {
+        match self {
+            Address::SocketAddr(_) => self,
+            Address::Domain(d, p) => match strip_brackets(&d).parse::<IpAddr>() {
+                Ok(ip) => Address::SocketAddr(SocketAddr::new(ip, p)),
+                Err(_) => Address::Domain(d, p),
+            },
+        }
+    }
+
     /// Returns true if the address is domain.
     pub fn is_domain(&self) -> bool {
         match self {

rd-std/src/sniffer/sni_sniffer.rs

@@ -189,7 +189,7 @@ impl rd_interface::ITcpStream for SnifferTcp {
                         let future = spawn(connect_send(
                             param.net.clone(),
                             param.ctx.clone(),
-                            Address::Domain(sni, addr.port()),
+                            Address::Domain(sni, addr.port()).into_normalized(),
                             replace(&mut param.buffer, Vec::new()),
                         ));
                         self.state = State::Connecting { future };