adjust messege formating

src/main.rs

@@ -41,8 +41,8 @@ async fn start_server(addr: &str) -> Result<(), Box<dyn Error>> {
 
         // Read username from the client
         let mut buf = vec![0; 1024];
-        socket.read(&mut buf).await?;
-        let username = String::from_utf8(buf.clone()).unwrap();
+        let n = socket.read(&mut buf).await?;
+        let username = String::from_utf8_lossy(&buf[..n]).trim().to_string();
 
         println!("Accepted connection from {}", client_addr);
 
@@ -51,6 +51,9 @@ async fn start_server(addr: &str) -> Result<(), Box<dyn Error>> {
         // Insert client into the shared HashMap
         clients_shared.lock().unwrap().insert(client_addr, username.clone());
 
+        // Clone the HashMap and release the lock
+        let clients_map = clients_shared.lock().unwrap().clone();
+
         // Spawn a new task for each client connection
         tokio::spawn(async move {
             let mut buf = vec![0; 1024];
@@ -70,20 +73,15 @@ async fn start_server(addr: &str) -> Result<(), Box<dyn Error>> {
                     }
                 };
 
-                let username = clients_shared.lock().unwrap().get(&client_addr).unwrap_or(&"Unknown".to_string()).clone();
+                let username = clients_map.get(&client_addr).unwrap_or(&"Unknown".to_string()).clone();
 
                 let message = String::from_utf8_lossy(&buf[..n]).to_string();
                 println!(
-                    "Received message from {} ({}): {}",
-                    username,
+                    "Received message from ({})\n{}: {}",
                     client_addr,
+                    username,
                     message
                 );
-
-                if let Err(e) = socket.write_all(&buf[0..n]).await {
-                    eprintln!("Failed to write to socket; err = {:?}", e);
-                    return;
-                }
             }
         });
     }
@@ -98,15 +96,15 @@ async fn start_client(addr: &str) -> Result<(), Box<dyn Error>> {
     std::io::stdin().read_line(&mut username)?;
 
     // Send username to the server
-    stream.write_all(username.as_bytes()).await?;
+    stream.write_all(username.trim().as_bytes()).await?;
 
     println!("Connected to server at {}", addr);
     let mut input = String::new();
     loop {
         std::io::stdin().read_line(&mut input)?;
-        stream.write_all(input.as_bytes()).await?;
+        stream.write_all(input.trim().as_bytes()).await?;
 
-        // Print sent messege
+        // Print sent message
         println!("Sent message from {}: {}", username.trim(), input.trim());
         input.clear();
     }