add dns support

src/config/server.rs

@@ -3,22 +3,34 @@ use std::{error::Error, fs::read_to_string};
 use toml::Table;
 
 pub struct ServerConfig {
-    pub addr: String,
+    pub pub_addr: String,
+    pub linstening_addr: String,
     pub port: u16,
 }
 
 impl ServerConfig {
     pub fn get_config(file_name: &str) -> Result<Self, Box<dyn Error>> {
         let stored_file = read_to_string(file_name)?.parse::<Table>()?;
-        let addr = stored_file["server"]["addr"]
+        let pub_addr = stored_file["server"]["public_addr"]
             .as_str()
-            .ok_or(generate_toml_parser_error_in_field("server addr"))?
+            .ok_or(generate_toml_parser_error_in_field("server public address"))?
+            .to_string();
+
+        let linstening_addr = stored_file["server"]["listening_addr"]
+            .as_str()
+            .ok_or(generate_toml_parser_error_in_field(
+                "server listening address",
+            ))?
             .to_string();
 
         let port = stored_file["server"]["port"]
             .as_integer()
             .ok_or(generate_toml_parser_error_in_field("server port"))? as u16;
 
-        Ok(Self { addr, port })
+        Ok(Self {
+            pub_addr,
+            linstening_addr,
+            port,
+        })
     }
 }