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zero copy tunnel (#55)

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make tunnel zero copy, for better performance. remove most of the locks in io path.
introduce quic tunnel
prepare for encryption
This commit is contained in:
Sijie.Sun
2024-04-24 23:12:46 +08:00
committed by GitHub
parent 39021d7b1b
commit 3467890270
44 changed files with 6504 additions and 688 deletions
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38
easytier/src/common/stun.rs
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@@ -87,7 +87,7 @@ impl Stun {
pub fn new(stun_server: SocketAddr) -> Self {
Self {
stun_server,
req_repeat: 5,
req_repeat: 1,
resp_timeout: Duration::from_millis(3000),
}
}
@@ -208,6 +208,7 @@ impl Stun {
let mut tids = vec![];
for _ in 0..self.req_repeat {
let tid = rand::random::<u32>();
// let tid = 1;
let mut buf = [0u8; 28];
// memset buf
unsafe { std::ptr::write_bytes(buf.as_mut_ptr(), 0, buf.len()) };
@@ -511,30 +512,17 @@ mod tests {
#[tokio::test]
async fn test_stun_bind_request() {
// miwifi / qq seems not correctly responde to change_ip and change_port, they always try to change the src ip and port.
let mut ips = HostResolverIter::new(vec!["stun1.l.google.com:19302".to_string()]);
let stun = Stun::new(ips.next().await.unwrap());
// let stun = Stun::new("180.235.108.91:3478".to_string());
// let stun = Stun::new("193.22.2.248:3478".to_string());
// let stun = Stun::new("stun.chat.bilibili.com:3478".to_string());
// let stun = Stun::new("stun.miwifi.com:3478".to_string());
// github actions are port restricted nat, so we only test last one.
// let rs = stun.bind_request(12345, true, true).await.unwrap();
// assert!(rs.ip_changed);
// assert!(rs.port_changed);
// let rs = stun.bind_request(12345, true, false).await.unwrap();
// assert!(rs.ip_changed);
// assert!(!rs.port_changed);
// let rs = stun.bind_request(12345, false, true).await.unwrap();
// assert!(!rs.ip_changed);
// assert!(rs.port_changed);
let rs = stun.bind_request(12345, false, false).await.unwrap();
assert!(!rs.ip_changed);
assert!(!rs.port_changed);
// let mut ips = HostResolverIter::new(vec!["stun1.l.google.com:19302".to_string()]);
let mut ips_ = HostResolverIter::new(vec!["stun.canets.org:3478".to_string()]);
let mut ips = vec![];
while let Some(ip) = ips_.next().await {
ips.push(ip);
}
println!("ip: {:?}", ips);
for ip in ips.iter() {
let stun = Stun::new(ip.clone());
let _rs = stun.bind_request(12345, true, true).await;
}
}
#[tokio::test]