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use std::borrow::Cow;
use std::sync::Arc;
use axum::{extract::{WebSocketUpgrade, ws::WebSocket, State}, response::Response};
use tokio::sync::broadcast::{Sender};
use tracing::{debug, error, trace};
use crate::{error::WebolError, AppState};
pub async fn spawn(tx: Sender<String>) -> Result<(), WebolError> {
let payload = [0; 8];
let mut cont = true;
while cont {
let ping = surge_ping::ping(
"127.0.0.1".parse().map_err(WebolError::IpParse)?,
&payload
).await;
if let Err(ping) = ping {
cont = matches!(ping, surge_ping::SurgeError::Timeout { .. });
debug!("{}", cont);
if !cont {
return Err(ping).map_err(WebolError::Ping)
}
} else {
let (_, duration) = ping.unwrap();
debug!("Ping took {:?}", duration);
cont = false;
// FIXME: remove unwrap
tx.send("Got ping".to_string()).unwrap();
};
}
Ok(())
}
// TODO: Status to routes, websocket here
pub async fn ws_ping(State(state): State<Arc<AppState>>, ws: WebSocketUpgrade) -> Response {
ws.on_upgrade(move |socket| handle_socket(socket, state.ping_send.clone()))
}
// FIXME: Handle commands through enum
async fn handle_socket(mut socket: WebSocket, tx: Sender<String>) {
// TODO: Understand Cow
while let message = tx.subscribe().recv().await.unwrap() {
trace!("GOT = {}", message);
if &message == "Got ping" {
break;
}
};
match socket.send(axum::extract::ws::Message::Close(Some(axum::extract::ws::CloseFrame { code: 4000, reason: Cow::Owned("started".to_owned()) }))).await.map_err(WebolError::Axum) {
Ok(..) => (),
Err(err) => { error!("Server Error: {:?}", err) }
};
}
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