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This commit is contained in:
Alexey
2026-02-18 19:49:19 +03:00
parent df4494c37a
commit d3302d77d2
3 changed files with 48 additions and 12 deletions
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30
src/transport/middle_proxy/pool_nat.rs
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@@ -1,7 +1,7 @@
use std::net::{IpAddr, Ipv4Addr};
use std::time::Duration;
use tracing::{info, warn};
use tracing::{info, warn, debug};
use crate::error::{ProxyError, Result};
use crate::network::probe::is_bogon;
@@ -98,6 +98,18 @@ impl MePool {
family: IpFamily,
) -> Option<std::net::SocketAddr> {
const STUN_CACHE_TTL: Duration = Duration::from_secs(600);
// If STUN probing was disabled after attempts, reuse cached (even stale) or skip.
if self.nat_probe_disabled.load(std::sync::atomic::Ordering::Relaxed) {
if let Ok(cache) = self.nat_reflection_cache.try_lock() {
let slot = match family {
IpFamily::V4 => cache.v4,
IpFamily::V6 => cache.v6,
};
return slot.map(|(_, addr)| addr);
}
return None;
}
if let Ok(mut cache) = self.nat_reflection_cache.try_lock() {
let slot = match family {
IpFamily::V4 => &mut cache.v4,
@@ -110,6 +122,12 @@ impl MePool {
}
}
let attempt = self.nat_probe_attempts.fetch_add(1, std::sync::atomic::Ordering::Relaxed);
if attempt >= 2 {
self.nat_probe_disabled.store(true, std::sync::atomic::Ordering::Relaxed);
return None;
}
let stun_addr = self
.nat_stun
.clone()
@@ -135,7 +153,15 @@ impl MePool {
}
}
Err(e) => {
warn!(error = %e, "NAT probe failed");
let attempts = attempt + 1;
if attempts <= 2 {
warn!(error = %e, attempt = attempts, "NAT probe failed");
} else {
debug!(error = %e, attempt = attempts, "NAT probe suppressed after max attempts");
}
if attempts >= 2 {
self.nat_probe_disabled.store(true, std::sync::atomic::Ordering::Relaxed);
}
None
}
}