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|
use super::*;
use async_trait::async_trait;
use std::{io, sync::Arc};
use tokio::net;
#[derive(Debug)]
pub struct ToSrv(Arc<net::UdpSocket>);
#[derive(Debug)]
pub struct FromSrv(Arc<net::UdpSocket>);
#[async_trait]
impl UdpSender for ToSrv {
async fn send(&self, data: &[u8]) -> io::Result<()> {
self.0.send(data).await?;
Ok(())
}
}
#[async_trait]
impl UdpReceiver for FromSrv {
async fn recv(&mut self) -> io::Result<Vec<u8>> {
let mut buffer = Vec::new();
buffer.resize(UDP_PKT_SIZE, 0);
let len = self.0.recv(&mut buffer).await?;
buffer.truncate(len);
Ok(buffer)
}
}
pub struct RemoteSrv;
impl UdpPeer for RemoteSrv {
type Sender = ToSrv;
type Receiver = FromSrv;
}
pub async fn connect(addr: &str) -> io::Result<(RudpSender<RemoteSrv>, RudpReceiver<RemoteSrv>)> {
let sock = Arc::new(net::UdpSocket::bind("0.0.0.0:0").await?);
sock.connect(addr).await?;
new(
PeerID::Srv as u16,
PeerID::Nil as u16,
ToSrv(Arc::clone(&sock)),
FromSrv(sock),
)
.await
}
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