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use anyhow::Result;
use log::{debug, info};
use std::{sync::Arc, time::Duration};
use tokio::{
io::{AsyncBufReadExt, AsyncWriteExt, BufReader},
net::TcpListener,
spawn,
sync::{broadcast, RwLock},
time::sleep,
};
use undercooked::{
game::Game,
protocol::{PacketC, PacketS},
};
#[tokio::main]
async fn main() -> Result<()> {
env_logger::init_from_env("LOG");
let listener = TcpListener::bind("0.0.0.0:27031").await?;
info!("listening on {}", listener.local_addr()?);
let game = Arc::new(RwLock::new(Game::new()));
let (tx, rx) = broadcast::channel::<PacketC>(1024);
{
let game = game.clone();
spawn(async move {
{
let mut g = game.write().await;
while let Some(p) = g.packet_out() {
debug!("-> {p:?}");
let _ = tx.send(p);
}
}
sleep(Duration::from_millis(10)).await;
});
}
for id in 0.. {
let (sock, addr) = listener.accept().await?;
let (read, mut write) = sock.into_split();
let game = game.clone();
let mut rx = rx.resubscribe();
info!("{addr} connected");
spawn(async move {
while let Ok(packet) = rx.recv().await {
write
.write_all(serde_json::to_string(&packet).unwrap().as_bytes())
.await
.unwrap();
write.write_all(b"\n").await.unwrap();
}
});
spawn(async move {
let mut read = BufReader::new(read).lines();
while let Ok(Some(line)) = read.next_line().await {
let packet: PacketS = serde_json::from_str(&line).unwrap();
debug!("<- {id} {packet:?}");
game.write().await.packet_in(id, packet).unwrap();
}
});
}
Ok(())
}
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