desktop/src-tauri/src/rpc/board.rs

102 lines
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use std::time::Duration;
use paris::{info, warn};
use tokio::{net::UdpSocket, sync::RwLock, time::timeout};
use super::{BoardConnectStatus, BoardInfo};
#[derive(Debug)]
pub struct Board {
pub info: RwLock<BoardInfo>,
socket: Option<UdpSocket>,
}
impl Board {
pub fn new(info: BoardInfo) -> Self {
Self {
info: RwLock::new(info),
socket: None,
}
}
pub async fn init_socket(&mut self) -> anyhow::Result<()> {
let info = self.info.read().await;
let socket = UdpSocket::bind("0.0.0.0:0").await?;
socket.connect((info.address, info.port)).await?;
self.socket = Some(socket);
Ok(())
}
pub async fn send_colors(&self, buf: &[u8]) {
let info = self.info.read().await;
if self.socket.is_none() || info.connect_status != BoardConnectStatus::Connected {
return;
}
let socket = self.socket.as_ref().unwrap();
socket
.send(buf)
.await
.unwrap();
}
pub async fn check(&self) -> anyhow::Result<()> {
let info = self.info.read().await;
let socket = UdpSocket::bind("0.0.0.0:0").await?;
socket.connect((info.address, info.port)).await?;
drop(info);
let instant = std::time::Instant::now();
socket.send(&[1]).await?;
let mut buf = [0u8; 1];
let recv_future = socket.recv(&mut buf);
let check_result = timeout(Duration::from_secs(1), recv_future).await;
let mut info = self.info.write().await;
match check_result {
Ok(_) => {
let ttl = instant.elapsed();
if buf == [1] {
info.connect_status = BoardConnectStatus::Connected;
} else {
if let BoardConnectStatus::Connecting(retry) = info.connect_status {
if retry < 10 {
info.connect_status = BoardConnectStatus::Connecting(retry + 1);
info!("reconnect: {}", retry + 1);
} else {
info.connect_status = BoardConnectStatus::Disconnected;
warn!("board Disconnected: bad pong.");
}
} else if info.connect_status != BoardConnectStatus::Disconnected {
info.connect_status = BoardConnectStatus::Connecting(1);
}
}
info.ttl = Some(ttl.as_millis());
}
Err(_) => {
if let BoardConnectStatus::Connecting(retry) = info.connect_status {
if retry < 10 {
info.connect_status = BoardConnectStatus::Connecting(retry + 1);
info!("reconnect: {}", retry + 1);
} else {
info.connect_status = BoardConnectStatus::Disconnected;
warn!("board Disconnected: timeout");
}
} else if info.connect_status != BoardConnectStatus::Disconnected {
info.connect_status = BoardConnectStatus::Connecting(1);
}
info.ttl = None;
}
}
info.checked_at = Some(std::time::SystemTime::now());
Ok(())
}
}