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use std::borrow::Cow;
use std::collections::HashMap;
use std::sync::Arc;
use axum::extract::{ws::WebSocket};
use axum::extract::ws::{CloseFrame, Message};
use tokio::sync::broadcast::{Sender};
use tokio::sync::Mutex;
use tracing::{debug, trace, warn};
use crate::error::WebolError;
pub type PingMap = Arc<Mutex<HashMap<String, (String, bool)>>>;
pub async fn spawn(tx: Sender<BroadcastCommands>, ip: String, uuid: String, ping_map: PingMap) -> Result<(), WebolError> {
let payload = [0; 8];
// TODO: Better while
let mut cont = true;
while cont {
let ping = surge_ping::ping(
ip.parse().map_err(WebolError::IpParse)?,
&payload
).await;
if let Err(ping) = ping {
cont = matches!(ping, surge_ping::SurgeError::Timeout { .. });
if !cont {
return Err(ping).map_err(WebolError::Ping)
}
} else {
let (_, duration) = ping.unwrap();
debug!("Ping took {:?}", duration);
cont = false;
handle_broadcast_send(&tx, ip.clone(), ping_map.clone(), uuid.clone()).await;
};
}
Ok(())
}
async fn handle_broadcast_send(tx: &Sender<BroadcastCommands>, ip: String, ping_map: PingMap, uuid: String) {
debug!("sending pingsuccess message");
ping_map.lock().await.insert(uuid.clone(), (ip.clone(), true));
let _ = tx.send(BroadcastCommands::PingSuccess(ip));
tokio::time::sleep(tokio::time::Duration::from_secs(60)).await;
trace!("remove {} from ping_map", uuid);
ping_map.lock().await.remove(&uuid);
}
#[derive(Clone, Debug)]
pub enum BroadcastCommands {
PingSuccess(String)
}
pub async fn status_websocket(mut socket: WebSocket, tx: Sender<BroadcastCommands>, ping_map: PingMap) {
warn!("{:?}", ping_map);
trace!("wait for ws message (uuid)");
let msg = socket.recv().await;
let uuid = msg.unwrap().unwrap().into_text().unwrap();
trace!("Search for uuid: {:?}", uuid);
// TODO: Handle Error
let device = ping_map.lock().await.get(&uuid).unwrap().to_owned();
trace!("got device: {:?}", device);
match device.1 {
true => {
debug!("already started");
// socket.send(Message::Text(format!("start_{}", uuid))).await.unwrap();
// socket.close().await.unwrap();
socket.send(Message::Close(Some(CloseFrame { code: 4001, reason: Cow::from(format!("start_{}", uuid)) }))).await.unwrap();
},
false => {
let ip = device.0.to_owned();
loop{
trace!("wait for tx message");
let message = tx.subscribe().recv().await.unwrap();
trace!("GOT = {:?}", message);
// if let BroadcastCommands::PingSuccess(msg_ip) = message {
// if msg_ip == ip {
// trace!("message == ip");
// break;
// }
// }
let BroadcastCommands::PingSuccess(msg_ip) = message;
if msg_ip == ip {
trace!("message == ip");
break;
}
};
socket.send(Message::Close(Some(CloseFrame { code: 4000, reason: Cow::from(format!("start_{}", uuid)) }))).await.unwrap();
// socket.send(Message::Text(format!("start_{}", uuid))).await.unwrap();
// socket.close().await.unwrap();
warn!("{:?}", ping_map);
}
}
}
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