use actors::ws::WebsocketActor; use actors::Actor; use warp::Filter; #[tokio::main] async fn main() { // GET /chat -> websocket upgrade let chat = warp::path("chat") // The `ws()` filter will prepare Websocket handshake... .and(warp::ws()) .map(|ws: warp::ws::Ws| { // This will call our function if the handshake succeeds. ws.on_upgrade(move |socket| { let actor = WebsocketActor::new(socket); actor.start(); futures::future::ready(()) }) }); // GET / -> index html let index = warp::path::end().map(|| warp::reply::html(INDEX_HTML)); let routes = index.or(chat); warp::serve(routes).run(([127, 0, 0, 1], 3030)).await; } /* async fn user_connected(ws: WebSocket, users: Users) { // Use a counter to assign a new unique ID for this user. let my_id = NEXT_USER_ID.fetch_add(1, Ordering::Relaxed); eprintln!("new chat user: {}", my_id); // Split the socket into a sender and receive of messages. let (mut user_ws_tx, mut user_ws_rx) = ws.split(); // Use an unbounded channel to handle buffering and flushing of messages // to the websocket... let (tx, rx) = mpsc::unbounded_channel(); let mut rx = UnboundedReceiverStream::new(rx); tokio::task::spawn(async move { while let Some(message) = rx.next().await { user_ws_tx .send(message) .unwrap_or_else(|e| { eprintln!("websocket send error: {}", e); }) .await; } }); // Save the sender in our list of connected users. users.write().await.insert(my_id, tx); // Return a `Future` that is basically a state machine managing // this specific user's connection. // Every time the user sends a message, broadcast it to // all other users... while let Some(result) = user_ws_rx.next().await { let msg = match result { Ok(msg) => { println!("MESSAGE {msg:?}"); msg } Err(e) => { eprintln!("websocket error(uid={}): {}", my_id, e); break; } }; // Skip any non-Text messages... let msg = if let Ok(s) = msg.to_str() { s } else { return; }; let new_msg = format!(": {}", my_id, msg); // New message from this user, send it to everyone else (except same uid)... for (&uid, tx) in users.read().await.iter() { if my_id != uid { if let Err(_disconnected) = tx.send(Message::text(new_msg.clone())) { // The tx is disconnected, our `user_disconnected` code // should be happening in another task, nothing more to // do here. } } } } // user_ws_rx stream will keep processing as long as the user stays // connected. Once they disconnect, then... user_disconnected(my_id, &users).await; } */ static INDEX_HTML: &str = r#" Warp Chat

Warp chat

Connecting...

"#;