| 10 | |
| 11 | #[actix_web::main] |
| 12 | async fn main() { |
| 13 | env_logger::init_from_env(env_logger::Env::new().default_filter_or("info")); |
| 14 | |
| 15 | log::info!("starting echo WebSocket client"); |
| 16 | |
| 17 | let (cmd_tx, cmd_rx) = mpsc::unbounded_channel(); |
| 18 | let mut cmd_rx = UnboundedReceiverStream::new(cmd_rx); |
| 19 | |
| 20 | // run blocking terminal input reader on separate thread |
| 21 | let input_thread = thread::spawn(move || { |
| 22 | loop { |
| 23 | let mut cmd = String::with_capacity(32); |
| 24 | |
| 25 | if io::stdin().read_line(&mut cmd).is_err() { |
| 26 | log::error!("error reading line"); |
| 27 | return; |
| 28 | } |
| 29 | |
| 30 | cmd_tx.send(cmd).unwrap(); |
| 31 | } |
| 32 | }); |
| 33 | |
| 34 | let (res, mut ws) = awc::Client::new() |
| 35 | .ws("ws://127.0.0.1:8080/ws") |
| 36 | .connect() |
| 37 | .await |
| 38 | .unwrap(); |
| 39 | |
| 40 | log::debug!("response: {res:?}"); |
| 41 | log::info!("connected; server will echo messages sent"); |
| 42 | |
| 43 | loop { |
| 44 | select! { |
| 45 | Some(msg) = ws.next() => { |
| 46 | match msg { |
| 47 | Ok(ws::Frame::Text(txt)) => { |
| 48 | // log echoed messages from server |
| 49 | log::info!("Server: {txt:?}") |
| 50 | } |
| 51 | |
| 52 | Ok(ws::Frame::Ping(_)) => { |
| 53 | // respond to ping probes |
| 54 | ws.send(ws::Message::Pong(Bytes::new())).await.unwrap(); |
| 55 | } |
| 56 | |
| 57 | _ => {} |
| 58 | } |
| 59 | } |
| 60 | |
| 61 | Some(cmd) = cmd_rx.next() => { |
| 62 | if cmd.is_empty() { |
| 63 | continue; |
| 64 | } |
| 65 | |
| 66 | ws.send(ws::Message::Text(cmd.into())).await.unwrap(); |
| 67 | } |
| 68 | |
| 69 | else => break |