Added disconnect message

src/login.rs

@@ -2,4 +2,21 @@
 
 use tokio::net::tcp::{OwnedReadHalf, OwnedWriteHalf};
 
-use crate::mc_types;
+use crate::mc_types::{self, Result};
+
+pub fn convert_clientbound_disconnect(reason: String) -> Vec<u8> {
+    let mut data: Vec<u8> = vec![0];
+    data.append(&mut &mut mc_types::convert_string(&reason));
+
+    data
+}
+pub async fn write_clientbound_disconnect(
+    stream: &mut OwnedWriteHalf,
+    reason: String,
+) -> Result<()> {
+    mc_types::write_packet(
+        stream,
+        &mut convert_clientbound_disconnect(reason),
+    ).await?;
+    Ok(())
+}

src/main.rs

@@ -97,7 +97,13 @@ async fn handle_client(client_socket: TcpStream) {
                         }
                     };
                 },
-                None => {}
+                None => {
+                    login::write_clientbound_disconnect(
+                        &mut client_writer,
+                        "\"Server Error (Server may be starting)\"".to_string(),
+                    ).await.expect("Error sending disconnect on: \
+Failed to connect to the backend server");
+                }
             };
         } else {
             return;