chore(server): add more log about EAFNOSUPPORT

shadowsocks · Jun 16, 2024 · 885fdf2 · 885fdf2
1 parent 56cab5a
commit 885fdf2
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Showing 2 changed files with 4 additions and 5 deletions.
diff --git a/crates/shadowsocks-service/src/local/redir/udprelay/mod.rs b/crates/shadowsocks-service/src/local/redir/udprelay/mod.rs
@@ -219,7 +219,7 @@ impl UdpInboundWrite for UdpRedirInboundWriter {
                         ErrorKind::InvalidInput if addr_mapped_ipv6 => {
                             SUPPORT_IPV6_TRANSPARENT.store(false, Ordering::Relaxed);
                             debug!(
-                                "redir destination socket doesn't support IPv6, addr cannot be IPv4-mapped-IPv6: {}",
+                                "redir destination socket doesn't support dual-stack routing, addr cannot be IPv4-mapped-IPv6: {}",
                                 addr
                             );
                         }

diff --git a/crates/shadowsocks-service/src/server/udprelay.rs b/crates/shadowsocks-service/src/server/udprelay.rs
@@ -32,10 +32,7 @@ use tokio::{runtime::Handle, sync::mpsc, task::JoinHandle, time};
 use windows_sys::Win32::Networking::WinSock::WSAEAFNOSUPPORT;
 
 use crate::net::{
-    packet_window::PacketWindowFilter,
-    utils::to_ipv4_mapped,
-    MonProxySocket,
-    UDP_ASSOCIATION_KEEP_ALIVE_CHANNEL_SIZE,
+    packet_window::PacketWindowFilter, utils::to_ipv4_mapped, MonProxySocket, UDP_ASSOCIATION_KEEP_ALIVE_CHANNEL_SIZE,
     UDP_ASSOCIATION_SEND_CHANNEL_SIZE,
 };
 
@@ -704,11 +701,13 @@ impl UdpAssociationContext {
                                 #[cfg(unix)]
                                 Some(libc::EAFNOSUPPORT) => {
                                     UDP_SOCKET_SUPPORT_DUAL_STACK.store(false, Ordering::Relaxed);
+                                    debug!("udp relay destination {} cannot be IPv4-mapped-IPv6, current platform doesn't support IPv6", target_addr);
                                     continue;
                                 }
                                 #[cfg(windows)]
                                 Some(WSAEAFNOSUPPORT) => {
                                     UDP_SOCKET_SUPPORT_DUAL_STACK.store(false, Ordering::Relaxed);
+                                    debug!("udp relay destination {} cannot be IPv4-mapped-IPv6, current platform doesn't support IPv6", target_addr);
                                     continue;
                                 }
                                 _ => return Err(err),