logging more detailed info at server side

tuic-server/src/connection/authenticated.rs

@@ -1,6 +1,7 @@
 use crossbeam_utils::atomic::AtomicCell;
 use parking_lot::Mutex;
 use std::{
+    fmt::{Display, Formatter, Result as FmtResult},
     future::Future,
     pin::Pin,
     sync::Arc,
@@ -49,3 +50,13 @@ impl Future for Authenticated {
         }
     }
 }
+
+impl Display for Authenticated {
+    fn fmt(&self, f: &mut Formatter<'_>) -> FmtResult {
+        if let Some(uuid) = self.get() {
+            write!(f, "{uuid}")
+        } else {
+            write!(f, "unauthenticated")
+        }
+    }
+}

tuic-server/src/connection/handle_stream.rs

@@ -9,8 +9,12 @@ use tuic_quinn::Task;
 
 impl Connection {
     pub(crate) async fn handle_uni_stream(self, recv: RecvStream, _reg: Register) {
-        let addr = self.inner.remote_address();
+        log::debug!(
-        log::debug!("[{addr}] incoming unidirectional stream");
+            "[{id:#016x}] [{addr}] [{user}] incoming unidirectional stream",
+            id = self.id(),
+            addr = self.inner.remote_address(),
+            user = self.auth,
+        );
 
         let max = self.max_concurrent_uni_streams.load(Ordering::Relaxed);
 
@@ -54,7 +58,12 @@ impl Connection {
             Ok(Task::Dissociate(assoc_id)) => self.handle_dissociate(assoc_id).await,
             Ok(_) => unreachable!(), // already filtered in `tuic_quinn`
             Err(err) => {
-                log::warn!("[{addr}] handle unidirection stream error: {err}");
+                log::warn!(
+                    "[{id:#016x}] [{addr}] [{user}] handling incoming unidirectional stream error: {err}",
+                    id = self.id(),
+                    addr = self.inner.remote_address(),
+                    user = self.auth,
+                );
                 self.close();
             }
         }
@@ -65,8 +74,12 @@ impl Connection {
         (send, recv): (SendStream, RecvStream),
         _reg: Register,
     ) {
-        let addr = self.inner.remote_address();
+        log::debug!(
-        log::debug!("[{addr}] incoming bidirectional stream");
+            "[{id:#016x}] [{addr}] [{user}] incoming bidirectional stream",
+            id = self.id(),
+            addr = self.inner.remote_address(),
+            user = self.auth,
+        );
 
         let max = self.max_concurrent_bi_streams.load(Ordering::Relaxed);
 
@@ -98,15 +111,24 @@ impl Connection {
             Ok(Task::Connect(conn)) => self.handle_connect(conn).await,
             Ok(_) => unreachable!(), // already filtered in `tuic_quinn`
             Err(err) => {
-                log::warn!("[{addr}] handle bidirection stream error: {err}");
+                log::warn!(
+                    "[{id:#016x}] [{addr}] [{user}] handling incoming bidirectional stream error: {err}",
+                    id = self.id(),
+                    addr = self.inner.remote_address(),
+                    user = self.auth,
+                );
                 self.close();
             }
         }
     }
 
     pub(crate) async fn handle_datagram(self, dg: Bytes) {
-        let addr = self.inner.remote_address();
+        log::debug!(
-        log::debug!("[{addr}] incoming datagram");
+            "[{id:#016x}] [{addr}] [{user}] incoming datagram",
+            id = self.id(),
+            addr = self.inner.remote_address(),
+            user = self.auth,
+        );
 
         let pre_process = async {
             let task = self.model.accept_datagram(dg)?;
@@ -130,7 +152,12 @@ impl Connection {
             Ok(Task::Heartbeat) => self.handle_heartbeat().await,
             Ok(_) => unreachable!(),
             Err(err) => {
-                log::warn!("[{addr}] handle datagram error: {err}");
+                log::warn!(
+                    "[{id:#016x}] [{addr}] [{user}] handling incoming datagram error: {err}",
+                    id = self.id(),
+                    addr = self.inner.remote_address(),
+                    user = self.auth,
+                );
                 self.close();
             }
         }

tuic-server/src/connection/handle_task.rs

@@ -17,9 +17,10 @@ use tuic_quinn::{Authenticate, Connect, Packet};
 impl Connection {
     pub(super) async fn handle_authenticate(&self, auth: Authenticate) {
         log::info!(
-            "[{addr}] [{uuid}] [authenticate] authenticated as {auth_uuid}",
+            "[{id:#016x}] [{addr}] [{user}] [authenticate] {auth_uuid}",
+            id = self.id(),
             addr = self.inner.remote_address(),
-            uuid = self.auth.get().unwrap(),
+            user = self.auth,
             auth_uuid = auth.uuid(),
         );
     }
@@ -28,9 +29,10 @@ impl Connection {
         let target_addr = conn.addr().to_string();
 
         log::info!(
-            "[{addr}] [{uuid}] [connect] {target_addr}",
+            "[{id:#016x}] [{addr}] [{user}] [connect] {target_addr}",
+            id = self.id(),
             addr = self.inner.remote_address(),
-            uuid = self.auth.get().unwrap(),
+            user = self.auth,
         );
 
         let process = async {
@@ -69,9 +71,10 @@ impl Connection {
         match process.await {
             Ok(()) => {}
             Err(err) => log::warn!(
-                "[{addr}] [{uuid}] [connect] relaying connection to {target_addr} error: {err}",
+                "[{id:#016x}] [{addr}] [{user}] [connect] {target_addr}: {err}",
+                id = self.id(),
                 addr = self.inner.remote_address(),
-                uuid = self.auth.get().unwrap(),
+                user = self.auth,
             ),
         }
     }
@@ -83,17 +86,36 @@ impl Connection {
         let frag_total = pkt.frag_total();
 
         log::info!(
-            "[{addr}] [{uuid}] [packet] [{assoc_id:#06x}] [from-{mode}] [{pkt_id:#06x}] {frag_id}/{frag_total}",
+            "[{id:#016x}] [{addr}] [{user}] [packet] [{assoc_id:#06x}] [from-{mode}] [{pkt_id:#06x}] {frag_id}/{frag_total}",
+            id = self.id(),
             addr = self.inner.remote_address(),
-            uuid = self.auth.get().unwrap(),
+            user = self.auth,
         );
 
         self.udp_relay_mode.store(Some(mode));
 
+        let (pkt, addr, assoc_id) = match pkt.accept().await {
+            Ok(None) => return,
+            Ok(Some(res)) => res,
+            Err(err) => {
+                log::warn!(
+                    "[{id:#016x}] [{addr}] [{user}] [packet] [{assoc_id:#06x}] [from-{mode}] [{pkt_id:#06x}] {frag_id}/{frag_total}: {err}",
+                    id = self.id(),
+                    addr = self.inner.remote_address(),
+                    user = self.auth,
+                );
+                return;
+            }
+        };
+
         let process = async {
-            let Some((pkt, addr, assoc_id)) = pkt.accept().await? else {
+            log::info!(
-                return Ok(());
+                "[{id:#016x}] [{addr}] [{user}] [packet] [{assoc_id:#06x}] [from-{mode}] [{pkt_id:#06x}] {src_addr}",
-            };
+                id = self.id(),
+                addr = self.inner.remote_address(),
+                user = self.auth,
+                src_addr = addr,
+            );
 
             let session = match self.udp_sessions.lock().entry(assoc_id) {
                 Entry::Occupied(entry) => entry.get().clone(),
@@ -116,21 +138,23 @@ impl Connection {
             session.send(pkt, socket_addr).await
         };
 
-        match process.await {
+        if let Err(err) = process.await {
-            Ok(()) => {}
+            log::warn!(
-            Err(err) => log::warn!(
+                "[{id:#016x}] [{addr}] [{user}] [packet] [{assoc_id:#06x}] [from-{mode}] [{pkt_id:#06x}] {src_addr}: {err}",
-                "[{addr}] [{uuid}] [packet] [{assoc_id:#06x}] [from-{mode}] [{pkt_id:#06x}] error handling fragment {frag_id}/{frag_total}: {err}",
+                id = self.id(),
                 addr = self.inner.remote_address(),
-                uuid = self.auth.get().unwrap(),
+                user = self.auth,
-            ),
+                src_addr = addr,
+            );
         }
     }
 
     pub(super) async fn handle_dissociate(&self, assoc_id: u16) {
         log::info!(
-            "[{addr}] [{uuid}] [dissociate] [{assoc_id:#06x}]",
+            "[{id:#016x}] [{addr}] [{user}] [dissociate] [{assoc_id:#06x}]",
+            id = self.id(),
             addr = self.inner.remote_address(),
-            uuid = self.auth.get().unwrap(),
+            user = self.auth,
         );
 
         if let Some(session) = self.udp_sessions.lock().remove(&assoc_id) {
@@ -140,39 +164,37 @@ impl Connection {
 
     pub(super) async fn handle_heartbeat(&self) {
         log::info!(
-            "[{addr}] [{uuid}] [heartbeat]",
+            "[{id:#016x}] [{addr}] [{user}] [heartbeat]",
+            id = self.id(),
             addr = self.inner.remote_address(),
-            uuid = self.auth.get().unwrap(),
+            user = self.auth,
         );
     }
 
-    pub(super) async fn send_packet(self, pkt: Bytes, addr: Address, assoc_id: u16) {
+    pub(super) async fn relay_packet(self, pkt: Bytes, addr: Address, assoc_id: u16) {
         let addr_display = addr.to_string();
 
-        let res = match self.udp_relay_mode.load() {
+        log::info!(
-            Some(UdpRelayMode::Native) => {
+            "[{id:#016x}] [{addr}] [{user}] [packet] [{assoc_id:#06x}] [to-{mode}] {target_addr}",
-                log::info!(
+            id = self.id(),
-                    "[{addr}] [packet-to-native] [{assoc_id}] [{target_addr}]",
+            addr = self.inner.remote_address(),
-                    addr = self.inner.remote_address(),
+            user = self.auth,
-                    target_addr = addr_display,
+            mode = self.udp_relay_mode.load().unwrap(),
-                );
+            target_addr = addr_display,
-                self.model.packet_native(pkt, addr, assoc_id)
+        );
-            }
+
-            Some(UdpRelayMode::Quic) => {
+        let res = match self.udp_relay_mode.load().unwrap() {
-                log::info!(
+            UdpRelayMode::Native => self.model.packet_native(pkt, addr, assoc_id),
-                    "[{addr}] [packet-to-quic] [{assoc_id}] [{target_addr}]",
+            UdpRelayMode::Quic => self.model.packet_quic(pkt, addr, assoc_id).await,
-                    addr = self.inner.remote_address(),
-                    target_addr = addr_display,
-                );
-                self.model.packet_quic(pkt, addr, assoc_id).await
-            }
-            None => unreachable!(),
         };
 
         if let Err(err) = res {
             log::warn!(
-                "[{addr}] [packet-to-native] [{assoc_id}] [{target_addr}] {err}",
+                "[{id:#016x}] [{addr}] [{user}] [packet] [{assoc_id:#06x}] [to-{mode}] {target_addr}: {err}",
+                id = self.id(),
                 addr = self.inner.remote_address(),
+                user = self.auth,
+                mode = self.udp_relay_mode.load().unwrap(),
                 target_addr = addr_display,
             );
         }

tuic-server/src/connection/mod.rs

@@ -74,7 +74,11 @@ impl Connection {
 
         match init.await {
             Ok(conn) => {
-                log::info!("[{addr}] connection established");
+                log::info!(
+                    "[{id:#016x}] [{addr}] [{user}] connection established",
+                    id = conn.id(),
+                    user = conn.auth,
+                );
 
                 tokio::spawn(conn.clone().timeout_authenticate(auth_timeout));
                 tokio::spawn(conn.clone().collect_garbage(gc_interval, gc_lifetime));
@@ -101,14 +105,27 @@ impl Connection {
                         Ok(()) => {}
                         Err(err) if err.is_locally_closed() => {}
                         Err(err) if err.is_timeout_closed() => {
-                            log::debug!("[{addr}] connection timeout")
+                            log::debug!(
+                                "[{id:#016x}] [{addr}] [{user}] connection timeout",
+                                id = conn.id(),
+                                user = conn.auth,
+                            );
                         }
-                        Err(err) => log::warn!("[{addr}] connection error: {err}"),
+                        Err(err) => log::warn!(
+                            "[{id:#016x}] [{addr}] [{user}] connection error: {err}",
+                            id = conn.id(),
+                            user = conn.auth,
+                        ),
                     }
                 }
             }
             Err(err) if err.is_locally_closed() || err.is_timeout_closed() => unreachable!(),
-            Err(err) => log::warn!("[{addr}] connection establishing error: {err}"),
+            Err(err) => {
+                log::warn!(
+                    "[{id:#016x}] [{addr}] [unauthenticated] connection establishing error: {err}",
+                    id = usize::MAX,
+                )
+            }
         }
     }
 
@@ -155,8 +172,11 @@ impl Connection {
         time::sleep(timeout).await;
 
         if self.auth.get().is_none() {
-            let addr = self.inner.remote_address();
+            log::warn!(
-            log::warn!("[{addr}] [authenticate] timeout");
+                "[{id:#016x}] [{addr}] [unauthenticated] [authenticate] timeout",
+                id = self.id(),
+                addr = self.inner.remote_address(),
+            );
             self.close();
         }
     }
@@ -169,10 +189,20 @@ impl Connection {
                 break;
             }
 
+            log::debug!(
+                "[{id:#016x}] [{addr}] [{user}] packet fragment garbage collecting event",
+                id = self.id(),
+                addr = self.inner.remote_address(),
+                user = self.auth,
+            );
             self.model.collect_garbage(gc_lifetime);
         }
     }
 
+    fn id(&self) -> usize {
+        self.inner.stable_id()
+    }
+
     fn is_closed(&self) -> bool {
         self.inner.close_reason().is_some()
     }

tuic-server/src/connection/udp_session.rs

@@ -97,12 +97,17 @@ impl UdpSession {
                 let (pkt, addr) = match session_listening.recv().await {
                     Ok(res) => res,
                     Err(err) => {
-                        log::warn!("{err}"); // TODO
+                        log::warn!(
+                            "[{id:#016x}] [{addr}] [{user}] [packet] [{assoc_id:#06x}] outbound listening error: {err}",
+                            id = session_listening.0.conn.id(),
+                            addr = session_listening.0.conn.inner.remote_address(),
+                            user = session_listening.0.conn.auth,
+                        );
                         continue;
                     }
                 };
 
-                tokio::spawn(session_listening.0.conn.clone().send_packet(
+                tokio::spawn(session_listening.0.conn.clone().relay_packet(
                     pkt,
                     Address::SocketAddress(addr),
                     session_listening.0.assoc_id,

tuic-server/src/server.rs

@@ -49,8 +49,8 @@ impl Server {
         let mut tp_cfg = TransportConfig::default();
 
         tp_cfg
-            .max_concurrent_bidi_streams(VarInt::from(DEFAULT_CONCURRENT_STREAMS as u32))
+            .max_concurrent_bidi_streams(VarInt::from(DEFAULT_CONCURRENT_STREAMS))
-            .max_concurrent_uni_streams(VarInt::from(DEFAULT_CONCURRENT_STREAMS as u32))
+            .max_concurrent_uni_streams(VarInt::from(DEFAULT_CONCURRENT_STREAMS))
             .send_window(cfg.send_window)
             .stream_receive_window(VarInt::from_u32(cfg.receive_window))
             .max_idle_timeout(Some(