fix ospf route (#970)

- **fix deadlock in ospf route introducd by #958 **
- **use random peer id for foreign network entry, because ospf route algo need peer id change after peer info version reset. this may interfere route propagation and cause node residual**
- **allow multiple nodes broadcast same network ranges for subnet proxy**
- **bump version to v2.3.2**

.github/workflows/docker.yml

@@ -11,7 +11,7 @@ on:
       image_tag:
         description: 'Tag for this image build'
         type: string
-        default: 'v2.3.1'
+        default: 'v2.3.2'
         required: true
       mark_latest:
         description: 'Mark this image as latest'

.github/workflows/release.yml

@@ -21,7 +21,7 @@ on:
       version:
         description: 'Version for this release'
         type: string
-        default: 'v2.3.1'
+        default: 'v2.3.2'
         required: true
       make_latest:
         description: 'Mark this release as latest'

Cargo.lock

@@ -1942,7 +1942,7 @@ checksum = "0d6ef0072f8a535281e4876be788938b528e9a1d43900b82c2569af7da799125"
 
 [[package]]
 name = "easytier"
-version = "2.3.1"
+version = "2.3.2"
 dependencies = [
  "aes-gcm",
  "anyhow",
@@ -2070,7 +2070,7 @@ dependencies = [
 
 [[package]]
 name = "easytier-gui"
-version = "2.3.1"
+version = "2.3.2"
 dependencies = [
  "anyhow",
  "chrono",
@@ -2116,7 +2116,7 @@ dependencies = [
 
 [[package]]
 name = "easytier-web"
-version = "2.3.1"
+version = "2.3.2"
 dependencies = [
  "anyhow",
  "async-trait",

easytier-contrib/easytier-magisk/module.prop

@@ -1,6 +1,6 @@
 id=easytier_magisk
 name=EasyTier_Magisk
-version=v2.3.1
+version=v2.3.2
 versionCode=1
 author=EasyTier
 description=easytier magisk module @EasyTier(https://github.com/EasyTier/EasyTier)

easytier-gui/package.json

@@ -1,7 +1,7 @@
 {
   "name": "easytier-gui",
   "type": "module",
-  "version": "2.3.1",
+  "version": "2.3.2",
   "private": true,
   "packageManager": "pnpm@9.12.1+sha512.e5a7e52a4183a02d5931057f7a0dbff9d5e9ce3161e33fa68ae392125b79282a8a8a470a51dfc8a0ed86221442eb2fb57019b0990ed24fab519bf0e1bc5ccfc4",
   "scripts": {

easytier-gui/src-tauri/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "easytier-gui"
-version = "2.3.1"
+version = "2.3.2"
 description = "EasyTier GUI"
 authors = ["you"]
 edition = "2021"

easytier-gui/src-tauri/tauri.conf.json

@@ -17,7 +17,7 @@
     "createUpdaterArtifacts": false
   },
   "productName": "easytier-gui",
-  "version": "2.3.1",
+  "version": "2.3.2",
   "identifier": "com.kkrainbow.easytier",
   "plugins": {},
   "app": {

easytier-web/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "easytier-web"
-version = "2.3.1"
+version = "2.3.2"
 edition = "2021"
 description = "Config server for easytier. easytier-core gets config from this and web frontend use it as restful api server."
 

easytier/Cargo.toml

@@ -3,7 +3,7 @@ name = "easytier"
 description = "A full meshed p2p VPN, connecting all your devices in one network with one command."
 homepage = "https://github.com/EasyTier/EasyTier"
 repository = "https://github.com/EasyTier/EasyTier"
-version = "2.3.1"
+version = "2.3.2"
 edition = "2021"
 authors = ["kkrainbow"]
 keywords = ["vpn", "p2p", "network", "easytier"]

easytier/src/peers/foreign_network_manager.rs

@@ -70,13 +70,16 @@ struct ForeignNetworkEntry {
     packet_recv: Mutex<Option<PacketRecvChanReceiver>>,
 
     tasks: Mutex<JoinSet<()>>,
+
+    pub lock: Mutex<()>,
 }
 
 impl ForeignNetworkEntry {
     fn new(
         network: NetworkIdentity,
-        global_ctx: ArcGlobalCtx,
+        // NOTICE: ospf route need my_peer_id be changed after restart.
         my_peer_id: PeerId,
+        global_ctx: ArcGlobalCtx,
         relay_data: bool,
         pm_packet_sender: PacketRecvChan,
     ) -> Self {
@@ -114,6 +117,8 @@ impl ForeignNetworkEntry {
             packet_recv: Mutex::new(Some(packet_recv)),
 
             tasks: Mutex::new(JoinSet::new()),
+
+            lock: Mutex::new(()),
         }
     }
 
@@ -202,11 +207,7 @@ impl ForeignNetworkEntry {
         (peer_rpc, rpc_transport_sender)
     }
 
-    async fn prepare_route(
-        &self,
-        my_peer_id: PeerId,
-        accessor: Box<dyn GlobalForeignNetworkAccessor>,
-    ) {
+    async fn prepare_route(&self, accessor: Box<dyn GlobalForeignNetworkAccessor>) {
         struct Interface {
             my_peer_id: PeerId,
             peer_map: Weak<PeerMap>,
@@ -238,10 +239,14 @@ impl ForeignNetworkEntry {
             }
         }
 
-        let route = PeerRoute::new(my_peer_id, self.global_ctx.clone(), self.peer_rpc.clone());
+        let route = PeerRoute::new(
+            self.my_peer_id,
+            self.global_ctx.clone(),
+            self.peer_rpc.clone(),
+        );
         route
             .open(Box::new(Interface {
-                my_peer_id,
+                my_peer_id: self.my_peer_id,
                 network_identity: self.network.clone(),
                 peer_map: Arc::downgrade(&self.peer_map),
                 accessor,
@@ -317,8 +322,8 @@ impl ForeignNetworkEntry {
         });
     }
 
-    async fn prepare(&self, my_peer_id: PeerId, accessor: Box<dyn GlobalForeignNetworkAccessor>) {
-        self.prepare_route(my_peer_id, accessor).await;
+    async fn prepare(&self, accessor: Box<dyn GlobalForeignNetworkAccessor>) {
+        self.prepare_route(accessor).await;
         self.start_packet_recv().await;
         self.peer_rpc.run();
     }
@@ -400,8 +405,8 @@ impl ForeignNetworkManagerData {
                 new_added = true;
                 Arc::new(ForeignNetworkEntry::new(
                     network_identity.clone(),
-                    global_ctx.clone(),
                     my_peer_id,
+                    global_ctx.clone(),
                     relay_data,
                     pm_packet_sender.clone(),
                 ))
@@ -417,9 +422,7 @@ impl ForeignNetworkManagerData {
         drop(l);
 
         if new_added {
-            entry
-                .prepare(my_peer_id, Box::new(self.accessor.clone()))
-                .await;
+            entry.prepare(Box::new(self.accessor.clone())).await;
         }
 
         (entry, new_added)
@@ -467,6 +470,13 @@ impl ForeignNetworkManager {
         }
     }
 
+    pub fn get_network_peer_id(&self, network_name: &str) -> Option<PeerId> {
+        self.data
+            .network_peer_maps
+            .get(network_name)
+            .and_then(|v| Some(v.my_peer_id))
+    }
+
     pub async fn add_peer_conn(&self, peer_conn: PeerConn) -> Result<(), Error> {
         tracing::info!(peer_conn = ?peer_conn.get_conn_info(), network = ?peer_conn.get_network_identity(), "add new peer conn in foreign network manager");
 
@@ -483,7 +493,7 @@ impl ForeignNetworkManager {
             .data
             .get_or_insert_entry(
                 &peer_conn.get_network_identity(),
-                self.my_peer_id,
+                peer_conn.get_my_peer_id(),
                 peer_conn.get_peer_id(),
                 !ret.is_err(),
                 &self.global_ctx,
@@ -491,17 +501,30 @@ impl ForeignNetworkManager {
             )
             .await;
 
-        if entry.network != peer_conn.get_network_identity() {
+        let _g = entry.lock.lock().await;
+
+        if entry.network != peer_conn.get_network_identity()
+            || entry.my_peer_id != peer_conn.get_my_peer_id()
+        {
             if new_added {
                 self.data
                     .remove_network(&entry.network.network_name.clone());
             }
-            return Err(anyhow::anyhow!(
+            let err = if entry.my_peer_id != peer_conn.get_my_peer_id() {
+                anyhow::anyhow!(
+                    "my peer id not match. exp: {:?} real: {:?}, need retry connect",
+                    entry.my_peer_id,
+                    peer_conn.get_my_peer_id()
+                )
+            } else {
+                anyhow::anyhow!(
                     "network secret not match. exp: {:?} real: {:?}",
                     entry.network,
                     peer_conn.get_network_identity()
                 )
-            .into());
+            };
+            tracing::error!(?err, "foreign network entry not match, disconnect peer");
+            return Err(err.into());
         }
 
         if new_added {
@@ -567,7 +590,8 @@ impl ForeignNetworkManager {
                     .network_secret_digest
                     .unwrap_or_default()
                     .to_vec(),
-                ..Default::default()
+                my_peer_id_for_this_network: item.my_peer_id,
+                peers: Default::default(),
             };
             for peer in item.peer_map.list_peers().await {
                 let mut peer_info = PeerInfo::default();
@@ -614,8 +638,6 @@ impl Drop for ForeignNetworkManager {
 
 #[cfg(test)]
 mod tests {
-    use std::time::Duration;
-
     use crate::{
         common::global_ctx::tests::get_mock_global_ctx_with_network,
         connector::udp_hole_punch::tests::{
@@ -629,6 +651,7 @@ mod tests {
         set_global_var,
         tunnel::common::tests::wait_for_condition,
     };
+    use std::time::Duration;
 
     use super::*;
 
@@ -769,7 +792,10 @@ mod tests {
             .unwrap();
 
         assert_eq!(
-            vec![pm_center.my_peer_id()],
+            vec![pm_center
+                .get_foreign_network_manager()
+                .get_network_peer_id("net1")
+                .unwrap()],
             pma_net1
                 .get_foreign_network_client()
                 .get_peer_map()
@@ -777,7 +803,10 @@ mod tests {
                 .await
         );
         assert_eq!(
-            vec![pm_center.my_peer_id()],
+            vec![pm_center
+                .get_foreign_network_manager()
+                .get_network_peer_id("net1")
+                .unwrap()],
             pmb_net1
                 .get_foreign_network_client()
                 .get_peer_map()
@@ -894,6 +923,75 @@ mod tests {
         .await;
     }
 
+    #[tokio::test]
+    async fn test_foreign_network_manager_cluster_simple() {
+        set_global_var!(OSPF_UPDATE_MY_GLOBAL_FOREIGN_NETWORK_INTERVAL_SEC, 1);
+
+        let pm_center1 = create_mock_peer_manager_with_mock_stun(NatType::Unknown).await;
+        let pm_center2 = create_mock_peer_manager_with_mock_stun(NatType::Unknown).await;
+
+        connect_peer_manager(pm_center1.clone(), pm_center2.clone()).await;
+
+        let pma_net1 = create_mock_peer_manager_for_foreign_network("net1").await;
+        let pmb_net1 = create_mock_peer_manager_for_foreign_network("net1").await;
+        connect_peer_manager(pma_net1.clone(), pm_center1.clone()).await;
+        connect_peer_manager(pmb_net1.clone(), pm_center2.clone()).await;
+
+        wait_route_appear(pma_net1.clone(), pmb_net1.clone())
+            .await
+            .unwrap();
+
+        let pma_net2 = create_mock_peer_manager_for_foreign_network("net2").await;
+        let pmb_net2 = create_mock_peer_manager_for_foreign_network("net2").await;
+        connect_peer_manager(pma_net2.clone(), pm_center1.clone()).await;
+        connect_peer_manager(pmb_net2.clone(), pm_center2.clone()).await;
+
+        wait_route_appear(pma_net2.clone(), pmb_net2.clone())
+            .await
+            .unwrap();
+    }
+
+    #[tokio::test]
+    async fn test_foreign_network_manager_cluster_multiple_hops() {
+        set_global_var!(OSPF_UPDATE_MY_GLOBAL_FOREIGN_NETWORK_INTERVAL_SEC, 1);
+
+        let pm_center1 = create_mock_peer_manager_with_mock_stun(NatType::Unknown).await;
+        let pm_center2 = create_mock_peer_manager_with_mock_stun(NatType::Unknown).await;
+        let pm_center3 = create_mock_peer_manager_with_mock_stun(NatType::Unknown).await;
+        let pm_center4 = create_mock_peer_manager_with_mock_stun(NatType::Unknown).await;
+
+        connect_peer_manager(pm_center1.clone(), pm_center2.clone()).await;
+        connect_peer_manager(pm_center2.clone(), pm_center3.clone()).await;
+        connect_peer_manager(pm_center3.clone(), pm_center4.clone()).await;
+
+        let pma_net1 = create_mock_peer_manager_for_foreign_network("net1").await;
+        let pmb_net1 = create_mock_peer_manager_for_foreign_network("net1").await;
+        connect_peer_manager(pma_net1.clone(), pm_center1.clone()).await;
+        connect_peer_manager(pmb_net1.clone(), pm_center3.clone()).await;
+        wait_route_appear(pma_net1.clone(), pmb_net1.clone())
+            .await
+            .unwrap();
+        let pmc_net1 = create_mock_peer_manager_for_foreign_network("net1").await;
+        connect_peer_manager(pmc_net1.clone(), pm_center4.clone()).await;
+        wait_route_appear(pma_net1.clone(), pmc_net1.clone())
+            .await
+            .unwrap();
+
+        let pma_net2 = create_mock_peer_manager_for_foreign_network("net2").await;
+        let pmb_net2 = create_mock_peer_manager_for_foreign_network("net2").await;
+        connect_peer_manager(pma_net2.clone(), pm_center1.clone()).await;
+        connect_peer_manager(pmb_net2.clone(), pm_center4.clone()).await;
+        wait_route_appear(pma_net2.clone(), pmb_net2.clone())
+            .await
+            .unwrap();
+        drop(pmb_net2);
+        wait_for_condition(
+            || async { pma_net2.list_routes().await.len() == 1 },
+            Duration::from_secs(5),
+        )
+        .await;
+    }
+
     #[tokio::test]
     async fn test_foreign_network_manager_cluster() {
         set_global_var!(OSPF_UPDATE_MY_GLOBAL_FOREIGN_NETWORK_INTERVAL_SEC, 1);

easytier/src/peers/peer_conn.rs

@@ -266,6 +266,31 @@ impl PeerConn {
         Ok(())
     }
 
+    #[tracing::instrument(skip(handshake_recved))]
+    pub async fn do_handshake_as_server_ext<Fn>(
+        &mut self,
+        mut handshake_recved: Fn,
+    ) -> Result<(), Error>
+    where
+        Fn: FnMut(&mut Self, &HandshakeRequest) -> Result<(), Error> + Send,
+    {
+        let rsp = self.wait_handshake_loop().await?;
+
+        handshake_recved(self, &rsp)?;
+
+        tracing::info!("handshake request: {:?}", rsp);
+        self.info = Some(rsp);
+        self.is_client = Some(false);
+
+        self.send_handshake().await?;
+
+        if self.get_peer_id() == self.my_peer_id {
+            Err(Error::WaitRespError("peer id conflict".to_owned()))
+        } else {
+            Ok(())
+        }
+    }
+
     #[tracing::instrument]
     pub async fn do_handshake_as_server(&mut self) -> Result<(), Error> {
         let rsp = self.wait_handshake_loop().await?;
@@ -435,6 +460,17 @@ impl PeerConn {
             is_closed: self.close_event_notifier.is_closed(),
         }
     }
+
+    pub fn set_peer_id(&mut self, peer_id: PeerId) {
+        if self.info.is_some() {
+            panic!("set_peer_id should only be called before handshake");
+        }
+        self.my_peer_id = peer_id;
+    }
+
+    pub fn get_my_peer_id(&self) -> PeerId {
+        self.my_peer_id
+    }
 }
 
 impl Drop for PeerConn {

easytier/src/peers/peer_manager.rs

@@ -144,6 +144,8 @@ pub struct PeerManager {
 
     // conns that are directly connected (which are not hole punched)
     directly_connected_conn_map: Arc<DashMap<PeerId, DashSet<uuid::Uuid>>>,
+
+    reserved_my_peer_id_map: DashMap<String, PeerId>,
 }
 
 impl Debug for PeerManager {
@@ -272,6 +274,8 @@ impl PeerManager {
             exit_nodes,
 
             directly_connected_conn_map: Arc::new(DashMap::new()),
+
+            reserved_my_peer_id_map: DashMap::new(),
         }
     }
 
@@ -413,7 +417,7 @@ impl PeerManager {
         self.add_direct_tunnel(t).await
     }
 
-    #[tracing::instrument]
+    #[tracing::instrument(ret)]
     pub async fn add_tunnel_as_server(
         &self,
         tunnel: Box<dyn Tunnel>,
@@ -421,18 +425,43 @@ impl PeerManager {
     ) -> Result<(), Error> {
         tracing::info!("add tunnel as server start");
         let mut peer = PeerConn::new(self.my_peer_id, self.global_ctx.clone(), tunnel);
-        peer.do_handshake_as_server().await?;
-        if self.global_ctx.config.get_flags().private_mode
-            && peer.get_network_identity().network_name
-                != self.global_ctx.get_network_identity().network_name
+        peer.do_handshake_as_server_ext(|peer, msg| {
+            if msg.network_name
+                == self.global_ctx.get_network_identity().network_name
             {
+                return Ok(());
+            }
+
+            if self.global_ctx.config.get_flags().private_mode {
                 return Err(Error::SecretKeyError(
                     "private mode is turned on, network identity not match".to_string(),
                 ));
             }
-        if peer.get_network_identity().network_name
-            == self.global_ctx.get_network_identity().network_name
-        {
+
+            let mut peer_id = self
+                .foreign_network_manager
+                .get_network_peer_id(&msg.network_name);
+            if peer_id.is_none() {
+                peer_id = Some(*self.reserved_my_peer_id_map.entry(msg.network_name.clone()).or_insert_with(|| {
+                    rand::random::<PeerId>()
+                }).value());
+            }
+            peer.set_peer_id(peer_id.clone().unwrap());
+
+            tracing::info!(
+                ?peer_id,
+                ?msg.network_name,
+                "handshake as server with foreign network, new peer id: {}, peer id in foreign manager: {:?}",
+                peer.get_my_peer_id(), peer_id
+            );
+
+            Ok(())
+        })
+        .await?;
+
+        let peer_network_name = peer.get_network_identity().network_name.clone();
+
+        if peer_network_name == self.global_ctx.get_network_identity().network_name {
             let (peer_id, conn_id) = (peer.get_peer_id(), peer.get_conn_id());
             self.add_new_peer_conn(peer).await?;
             if is_directly_connected {
@@ -441,12 +470,15 @@ impl PeerManager {
         } else {
             self.foreign_network_manager.add_peer_conn(peer).await?;
         }
+
+        self.reserved_my_peer_id_map.remove(&peer_network_name);
+
         tracing::info!("add tunnel as server done");
         Ok(())
     }
 
     async fn try_handle_foreign_network_packet(
-        packet: ZCPacket,
+        mut packet: ZCPacket,
         my_peer_id: PeerId,
         peer_map: &PeerMap,
         foreign_network_mgr: &ForeignNetworkManager,
@@ -463,6 +495,10 @@ impl PeerManager {
         let foreign_network_name = foreign_hdr.get_network_name(packet.payload());
         let foreign_peer_id = foreign_hdr.get_dst_peer_id();
 
+        let foreign_network_my_peer_id =
+            foreign_network_mgr.get_network_peer_id(&foreign_network_name);
+
+        // NOTICE: the to peer id is modified by the src from foreign network my peer id to the origin my peer id
         if to_peer_id == my_peer_id {
             // packet sent from other peer to me, extract the inner packet and forward it
             if let Err(e) = foreign_network_mgr
@@ -481,7 +517,27 @@ impl PeerManager {
                 );
             }
             Ok(())
-        } else if from_peer_id == my_peer_id {
+        } else if Some(from_peer_id) == foreign_network_my_peer_id {
+            // to_peer_id is my peer id for the foreign network, need to convert to the origin my_peer_id of dst
+            let Some(to_peer_id) = peer_map
+                .get_origin_my_peer_id(&foreign_network_name, to_peer_id)
+                .await
+            else {
+                tracing::debug!(
+                    ?foreign_network_name,
+                    ?to_peer_id,
+                    "cannot find origin my peer id for foreign network."
+                );
+                return Err(packet);
+            };
+
+            // modify the to_peer id from foreign network my peer id to the origin my peer id
+            packet
+                .mut_peer_manager_header()
+                .unwrap()
+                .to_peer_id
+                .set(to_peer_id);
+
             // packet is generated from foreign network mgr and should be forward to other peer
             if let Err(e) = peer_map
                 .send_msg(packet, to_peer_id, NextHopPolicy::LeastHop)
@@ -496,7 +552,7 @@ impl PeerManager {
 
             Ok(())
         } else {
-            // target is not me, forward it
+            // target is not me, forward it. try get origin peer id
             Err(packet)
         }
     }
@@ -717,6 +773,7 @@ impl PeerManager {
                             last_update: Some(last_update.into()),
                             version: 0,
                             network_secret_digest: info.network_secret_digest.clone(),
+                            my_peer_id_for_this_network: info.my_peer_id_for_this_network,
                         },
                     );
                 }

easytier/src/peers/peer_map.rs

@@ -204,6 +204,22 @@ impl PeerMap {
         None
     }
 
+    pub async fn get_origin_my_peer_id(
+        &self,
+        network_name: &str,
+        foreign_my_peer_id: PeerId,
+    ) -> Option<PeerId> {
+        for route in self.routes.read().await.iter() {
+            let origin_peer_id = route
+                .get_origin_my_peer_id(network_name, foreign_my_peer_id)
+                .await;
+            if origin_peer_id.is_some() {
+                return origin_peer_id;
+            }
+        }
+        None
+    }
+
     pub fn is_empty(&self) -> bool {
         self.peer_map.is_empty()
     }

easytier/src/peers/peer_ospf_route.rs

@@ -857,8 +857,7 @@ impl RouteTable {
             let is_new_peer_better = |old_peer_id: PeerId| -> bool {
                 let old_next_hop = self.get_next_hop(old_peer_id);
                 let new_next_hop = item.value();
-                old_next_hop.is_none()
-                    || new_next_hop.path_latency < old_next_hop.unwrap().path_latency
+                old_next_hop.is_none() || new_next_hop.path_len < old_next_hop.unwrap().path_len
             };
 
             if let Some(ipv4_addr) = info.ipv4_addr {
@@ -866,7 +865,7 @@ impl RouteTable {
                     .entry(ipv4_addr.into())
                     .and_modify(|v| {
                         if *v != *peer_id && is_new_peer_better(*v) {
-                            self.ipv4_peer_id_map.insert(ipv4_addr.into(), *peer_id);
+                            *v = *peer_id;
                         }
                     })
                     .or_insert(*peer_id);
@@ -878,14 +877,10 @@ impl RouteTable {
                     .and_modify(|v| {
                         if *v != *peer_id && is_new_peer_better(*v) {
                             // if the next hop is not set or the new next hop is better, update it.
-                            self.cidr_peer_id_map
-                                .insert(cidr.parse().unwrap(), *peer_id);
+                            *v = *peer_id;
                         }
                     })
                     .or_insert(*peer_id);
-
-                self.cidr_peer_id_map
-                    .insert(cidr.parse().unwrap(), *peer_id);
             }
         }
     }
@@ -1084,6 +1079,7 @@ struct PeerRouteServiceImpl {
     route_table: RouteTable,
     route_table_with_cost: RouteTable,
     foreign_network_owner_map: DashMap<NetworkIdentity, Vec<PeerId>>,
+    foreign_network_my_peer_id_map: DashMap<(String, PeerId), PeerId>,
     synced_route_info: SyncedRouteInfo,
     cached_local_conn_map: std::sync::Mutex<RouteConnBitmap>,
     cached_local_conn_map_version: AtomicVersion,
@@ -1104,6 +1100,10 @@ impl Debug for PeerRouteServiceImpl {
             .field("route_table_with_cost", &self.route_table_with_cost)
             .field("synced_route_info", &self.synced_route_info)
             .field("foreign_network_owner_map", &self.foreign_network_owner_map)
+            .field(
+                "foreign_network_my_peer_id_map",
+                &self.foreign_network_my_peer_id_map,
+            )
             .field(
                 "cached_local_conn_map",
                 &self.cached_local_conn_map.lock().unwrap(),
@@ -1127,6 +1127,7 @@ impl PeerRouteServiceImpl {
             route_table: RouteTable::new(),
             route_table_with_cost: RouteTable::new(),
             foreign_network_owner_map: DashMap::new(),
+            foreign_network_my_peer_id_map: DashMap::new(),
 
             synced_route_info: SyncedRouteInfo {
                 peer_infos: DashMap::new(),
@@ -1266,6 +1267,7 @@ impl PeerRouteServiceImpl {
     }
 
     fn update_foreign_network_owner_map(&self) {
+        self.foreign_network_my_peer_id_map.clear();
         self.foreign_network_owner_map.clear();
         for item in self.synced_route_info.foreign_network.iter() {
             let key = item.key();
@@ -1290,7 +1292,12 @@ impl PeerRouteServiceImpl {
             self.foreign_network_owner_map
                 .entry(network_identity)
                 .or_insert_with(|| Vec::new())
-                .push(key.peer_id);
+                .push(entry.my_peer_id_for_this_network);
+
+            self.foreign_network_my_peer_id_map.insert(
+                (key.network_name.clone(), entry.my_peer_id_for_this_network),
+                key.peer_id,
+            );
         }
     }
 
@@ -1529,8 +1536,6 @@ impl PeerRouteServiceImpl {
             req_dynamic_msg.set_field_by_name("peer_infos", Value::Message(peer_infos));
         }
 
-        tracing::trace!(?req_dynamic_msg, "build_sync_route_raw_req");
-
         req_dynamic_msg
     }
 
@@ -1646,7 +1651,12 @@ impl PeerRouteServiceImpl {
     }
 
     fn update_peer_info_last_update(&self) {
-        tracing::debug!(?self, "update_peer_info_last_update");
+        tracing::debug!(
+            "update_peer_info_last_update, my_peer_id: {:?}, prev: {:?}, new: {:?}",
+            self.my_peer_id,
+            self.peer_info_last_update.load(),
+            std::time::Instant::now()
+        );
         self.peer_info_last_update.store(std::time::Instant::now());
     }
 
@@ -2089,7 +2099,6 @@ impl PeerRoute {
         }
     }
 
-    #[tracing::instrument(skip(session_mgr))]
     async fn maintain_session_tasks(
         session_mgr: RouteSessionManager,
         service_impl: Arc<PeerRouteServiceImpl>,
@@ -2097,7 +2106,6 @@ impl PeerRoute {
         session_mgr.maintain_sessions(service_impl).await;
     }
 
-    #[tracing::instrument(skip(session_mgr))]
     async fn update_my_peer_info_routine(
         service_impl: Arc<PeerRouteServiceImpl>,
         session_mgr: RouteSessionManager,
@@ -2296,6 +2304,17 @@ impl Route for PeerRoute {
             .unwrap_or_default()
     }
 
+    async fn get_origin_my_peer_id(
+        &self,
+        network_name: &str,
+        foreign_my_peer_id: PeerId,
+    ) -> Option<PeerId> {
+        self.service_impl
+            .foreign_network_my_peer_id_map
+            .get(&(network_name.to_string(), foreign_my_peer_id))
+            .map(|x| *x)
+    }
+
     async fn get_feature_flag(&self, peer_id: PeerId) -> Option<PeerFeatureFlag> {
         self.service_impl
             .route_table

easytier/src/peers/route_trait.rs

@@ -95,6 +95,16 @@ pub trait Route {
         Default::default()
     }
 
+    // my peer id in foreign network is different from the one in local network
+    // this function is used to get the peer id in local network
+    async fn get_origin_my_peer_id(
+        &self,
+        _network_name: &str,
+        _foreign_my_peer_id: PeerId,
+    ) -> Option<PeerId> {
+        None
+    }
+
     async fn set_route_cost_fn(&self, _cost_fn: RouteCostCalculator) {}
 
     async fn get_feature_flag(&self, peer_id: PeerId) -> Option<PeerFeatureFlag>;

easytier/src/proto/cli.proto

@@ -103,6 +103,7 @@ message ListForeignNetworkRequest {}
 message ForeignNetworkEntryPb {
   repeated PeerInfo peers = 1;
   bytes network_secret_digest = 2;
+  uint32 my_peer_id_for_this_network = 3;
 }
 
 message ListForeignNetworkResponse {

easytier/src/proto/peer_rpc.proto

@@ -46,6 +46,7 @@ message ForeignNetworkRouteInfoEntry {
   google.protobuf.Timestamp last_update = 2;
   uint32 version = 3;
   bytes network_secret_digest = 4;
+  uint32 my_peer_id_for_this_network = 5;
 }
 
 message RouteForeignNetworkInfos {

easytier/src/tests/three_node.rs

@@ -887,11 +887,17 @@ pub async fn manual_reconnector(#[values(true, false)] is_foreign: bool) {
             .get_foreign_network_client()
             .get_peer_map()
     };
+    let center_inst_peer_id = if !is_foreign {
+        center_inst.peer_id()
+    } else {
+        center_inst
+            .get_peer_manager()
+            .get_foreign_network_manager()
+            .get_network_peer_id(&inst1.get_global_ctx().get_network_identity().network_name)
+            .unwrap()
+    };
 
-    let conns = peer_map
-        .list_peer_conns(center_inst.peer_id())
-        .await
-        .unwrap();
+    let conns = peer_map.list_peer_conns(center_inst_peer_id).await.unwrap();
 
     assert!(conns.len() >= 1);