Files
netrunner-proxy/core/src/net/connection/bridge.rs
T

129 lines
4.1 KiB
Rust

use std::sync::Arc;
use crate::net::connection::muxer::{MuxMessage, Muxer};
use crate::net::network::NetworkConfig;
use crate::nrxp::FrameType;
use bytes::{Bytes, BytesMut};
use netrunner_logger::{debug, error, info};
use tokio::net::UdpSocket;
use tokio::sync::mpsc;
pub(crate) async fn run_tcp_bridge<R, W>(
stream_id: u32,
mut reader: R,
mut writer: W,
muxer: Arc<Muxer>,
mut v_rx: mpsc::Receiver<Bytes>,
) where
R: tokio::io::AsyncReadExt + Unpin,
W: tokio::io::AsyncWriteExt + Unpin,
{
let mut buf = BytesMut::with_capacity(NetworkConfig::global().tcp_buffer_size);
loop {
tokio::select! {
res = reader.read_buf(&mut buf) => {
match res {
Ok(0) => {
debug!(stream_id, "Socket closed (EOF)");
break;
}
Ok(_) => {
let msg = MuxMessage {
stream_id,
frame_type: FrameType::Data,
data: buf.split().freeze(),
};
if muxer.send_to_network(msg).is_err() { break; }
}
Err(e) => {
error!(stream_id, error = %e, "Socket read error");
break;
}
}
}
maybe_data = v_rx.recv() => {
match maybe_data {
Some(data) => {
if data.is_empty() { continue; }
if let Err(e) = writer.write_all(&data).await {
error!(stream_id, error = %e, "Socket write error");
break;
}
}
None => {
debug!(stream_id, "Virtual channel closed");
break;
}
}
}
}
}
let _ = muxer.send_to_network(MuxMessage {
stream_id,
frame_type: FrameType::Close,
data: Bytes::new(),
});
tokio::time::sleep(std::time::Duration::from_millis(500)).await;
muxer.remove_stream(stream_id);
}
pub(crate) async fn run_udp_bridge(
stream_id: u32,
socket: UdpSocket,
muxer: Arc<Muxer>,
mut v_rx: mpsc::Receiver<Bytes>,
) {
let config = NetworkConfig::global();
let mut buf = vec![0u8; config.udp_buffer_size];
info!(
"🌉 [UDP {}] Bridge active. Media traffic leg optimization enabled.",
stream_id
);
loop {
tokio::select! {
// Данные ИЗ ИНТЕРНЕТА -> В ТУННЕЛЬ
res = socket.recv(&mut buf) => {
match res {
Ok(n) if n > 0 => {
let data = Bytes::copy_from_slice(&buf[..n]);
// КРИТИЧЕСКИЙ МОМЕНТ: передаем true (is_udp),
// чтобы Muxer выбрал правильную ногу для реалтайм трафика
if let Err(e) = muxer.send_data_safe(stream_id, data, true) {
error!("❌ [UDP {}] Failed to send to tunnel: {}", stream_id, e);
break;
}
}
Ok(_) => break,
Err(e) => {
error!("❌ [UDP {}] Internet read error: {}", stream_id, e);
break;
}
}
}
// Данные ИЗ ТУННЕЛЯ -> В ИНТЕРНЕТ
maybe_data = v_rx.recv() => {
match maybe_data {
Some(data) => {
if let Err(e) = socket.send(&data).await {
error!("❌ [UDP {}] Internet write error: {}", stream_id, e);
break;
}
}
None => break,
}
}
}
}
info!("🔌 [UDP {}] Bridge closed", stream_id);
muxer.remove_stream(stream_id);
}