35 lines
1.1 KiB
Rust
35 lines
1.1 KiB
Rust
use std::{collections::HashMap, net::SocketAddr};
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use axum::extract::ws::{Message, WebSocket};
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use letterbox_shared::WebsocketMessage;
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use tracing::{info, warn};
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#[derive(Default)]
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pub struct ConnectionTracker {
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peers: HashMap<SocketAddr, WebSocket>,
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}
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impl ConnectionTracker {
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pub fn add_peer(&mut self, socket: WebSocket, who: SocketAddr) {
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warn!("adding {who:?} to connection tracker");
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self.peers.insert(who, socket);
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self.send_message_all(WebsocketMessage::RefreshMessages);
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}
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pub async fn send_message_all(&mut self, msg: WebsocketMessage) {
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info!("send_message_all {msg}");
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let m = serde_json::to_string(&msg).expect("failed to json encode WebsocketMessage");
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let mut bad_peers = Vec::new();
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for (who, socket) in &mut self.peers.iter_mut() {
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if let Err(e) = socket.send(Message::Text(m.clone().into())).await {
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warn!("{:?} is bad, scheduling for removal: {e}", who);
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bad_peers.push(who.clone());
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}
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}
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for b in bad_peers {
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info!("removing bad peer {b:?}");
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self.peers.remove(&b);
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}
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}
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}
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