From e36f1fa9364018d34e4f0dcefe096913674ef592 Mon Sep 17 00:00:00 2001
From: DuProcess <273172371+DuProcess@users.noreply.github.com>
Date: Thu, 16 Jul 2026 21:09:42 -0400
Subject: [PATCH] Treat portable UDP churn errors as transient

---
 src/udp.rs | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/src/udp.rs b/src/udp.rs
index ef19585..e9038fd 100644
--- a/src/udp.rs
+++ b/src/udp.rs
@@ -10,6 +10,11 @@ pub fn is_transient_udp_error(err: &std::io::Error) -> bool {
         std::io::ErrorKind::Interrupted
             | std::io::ErrorKind::TimedOut
             | std::io::ErrorKind::WouldBlock
+            | std::io::ErrorKind::ConnectionRefused
+            | std::io::ErrorKind::ConnectionReset
+            | std::io::ErrorKind::AddrNotAvailable
+            | std::io::ErrorKind::NetworkUnreachable
+            | std::io::ErrorKind::HostUnreachable
     ) || err.raw_os_error().is_some_and(is_transient_udp_os_error)
 }
 
@@ -129,6 +134,11 @@ mod tests {
             std::io::ErrorKind::Interrupted,
             std::io::ErrorKind::TimedOut,
             std::io::ErrorKind::WouldBlock,
+            std::io::ErrorKind::ConnectionRefused,
+            std::io::ErrorKind::ConnectionReset,
+            std::io::ErrorKind::AddrNotAvailable,
+            std::io::ErrorKind::NetworkUnreachable,
+            std::io::ErrorKind::HostUnreachable,
         ] {
             let err = std::io::Error::from(kind);
             assert!(is_transient_udp_error(&err));