Files
simple-rust-http3-proxy/src/server.rs

90 lines
3.8 KiB
Rust

use std::fs;
use std::net::SocketAddr;
use std::sync::Arc;
use std::time::Duration;
use futures_util::StreamExt;
use quinn::{Endpoint, ServerConfig};
use rust_util::XResult;
use tokio::time::sleep;
use crate::config::ListenConfig;
use crate::io_util;
pub async fn run(listen_config: &ListenConfig) -> XResult<()> {
let cert_pem = opt_result!(fs::read_to_string(&listen_config.cert_pem_file),
"Read cert pem file: {}, failed: {}", &listen_config.cert_pem_file);
let key_pem_file = opt_value_result!(&listen_config.key_pem_file,
"key_pem_file in config is required in server mode");
let key_pem = opt_result!(fs::read_to_string(&key_pem_file),
"Read key pem file :{}, failed: {}", &key_pem_file);
let cert_bytes = opt_result!(pem::parse(&cert_pem), "Parse cert pem failed: {}").contents;
let key_bytes = opt_result!(pem::parse(&key_pem), "Parse key pem failed: {}").contents;
let priv_key = rustls::PrivateKey(key_bytes);
let cert_chain = vec![rustls::Certificate(cert_bytes)];
let mut server_config = opt_result!(ServerConfig::with_single_cert(cert_chain, priv_key), "Create server config failed: {}");
Arc::get_mut(&mut server_config.transport)
.unwrap()
.max_concurrent_uni_streams(0_u8.into());
information!("Listen: {}", &listen_config.listen);
let listen_addr: SocketAddr = opt_result!(listen_config.listen.parse(), "Parse listen address: {} failed: {}", &listen_config.listen);
let (_endpoint, mut incoming) = opt_result!(Endpoint::server(server_config, listen_addr), "Listen server failed: {}");
let proxy_address = listen_config.proxy_address.clone();
loop {
let connection = match incoming.next().await {
Some(connection) => connection,
None => {
warning!("Create connection is None");
sleep(Duration::from_secs(3)).await;
continue;
}
};
let connection = match connection.await {
Ok(connection) => connection,
Err(e) => {
warning!("Create connection failed: {}", e);
sleep(Duration::from_secs(3)).await;
continue;
}
};
let quinn::NewConnection {
connection,
mut bi_streams,
..
} = connection;
let proxy_address = proxy_address.clone();
tokio::spawn(async move {
information!("Connection accepted from {}", connection.remote_address());
let remote_addr = format!("{}", connection.remote_address());
let local_addr = connection.local_ip().map(|ip| format!("{}", ip)).unwrap_or_else(|| "".to_string());
loop {
match bi_streams.next().await {
None => {
information!("Connection ended");
break;
}
Some(Err(e)) => {
information!("Connection ended: {}", e);
break;
}
Some(Ok((send, recv))) => {
let remote_addr = remote_addr.clone();
let local_addr = local_addr.clone();
let proxy_address = proxy_address.clone();
tokio::spawn(async move {
information!("Stream opened from {:?}", &remote_addr);
let conn_count = format!("{}", rust_util::util_time::get_current_millis());
if let Err(e) = io_util::transfer_for_server_to_remote(recv, send, &remote_addr, &local_addr, proxy_address, conn_count).await {
failure!("Server - Client error: {}", e);
}
});
}
}
}
});
}
}