Properly detect client disconnect

src/main.rs

@@ -28,15 +28,13 @@ async fn handle_connection(
     println!("IP Address: {}", a);
     clients.lock().await.insert(a, 0);
     loop {
-        let (sockread, mut sockwrite) = socket.split();
-
-        if sockwrite.write_all(b"PING\n").await.is_err() {
-            break;
-        };
-
         let mut buf = [0u8; 1024];
 
-        let bytes = sockread.take(1024u64).read(&mut buf).await.unwrap();
+        let bytes = match socket.read(&mut buf).await {
+            Ok(0) => break, // eof
+            Ok(n) => n,
+            Err(e) => panic!("error occurred: {}", e)
+        };
         print!("{}", String::from_utf8_lossy(&buf[..bytes]).to_string());
     }
     println!("Client disconnected");