refactor(config): unify runtime configuration management via ConfigRpc (#1397)

* refactor(config): unify runtime configuration management via ConfigRpc
* feat(tests): add config patch test and fix problem

easytier/src/peers/peer_manager.rs

@@ -152,7 +152,7 @@ pub struct PeerManager {
     encryptor: Arc<dyn Encryptor + 'static>,
     data_compress_algo: CompressorAlgo,
 
-    exit_nodes: Vec<IpAddr>,
+    exit_nodes: RwLock<Vec<IpAddr>>,
 
     reserved_my_peer_id_map: DashMap<String, PeerId>,
 
@@ -304,7 +304,7 @@ impl PeerManager {
             encryptor,
             data_compress_algo,
 
-            exit_nodes,
+            exit_nodes: RwLock::new(exit_nodes),
 
             reserved_my_peer_id_map: DashMap::new(),
 
@@ -1068,7 +1068,7 @@ impl PeerManager {
             .global_ctx
             .is_ip_in_same_network(&std::net::IpAddr::V4(*ipv4_addr))
         {
-            for exit_node in &self.exit_nodes {
+            for exit_node in self.exit_nodes.read().await.iter() {
                 let IpAddr::V4(exit_node) = exit_node else {
                     continue;
                 };
@@ -1109,7 +1109,7 @@ impl PeerManager {
             dst_peers.push(peer_id);
         } else if !ipv6_addr.is_unicast_link_local() {
             // NOTE: never route link local address to exit node.
-            for exit_node in &self.exit_nodes {
+            for exit_node in self.exit_nodes.read().await.iter() {
                 let IpAddr::V6(exit_node) = exit_node else {
                     continue;
                 };
@@ -1419,6 +1419,11 @@ impl PeerManager {
 
         true
     }
+
+    pub async fn update_exit_nodes(&self) {
+        let exit_nodes = self.global_ctx.config.get_exit_nodes();
+        *self.exit_nodes.write().await = exit_nodes;
+    }
 }
 
 #[cfg(test)]

easytier/src/peers/rpc_service.rs

@@ -1,18 +1,14 @@
 use std::sync::Arc;
 
-use crate::{
-    common::acl_processor::AclRuleBuilder,
-    proto::{
-        cli::{
-            AclManageRpc, DumpRouteRequest, DumpRouteResponse, GetAclStatsRequest,
-            GetAclStatsResponse, GetWhitelistRequest, GetWhitelistResponse,
-            ListForeignNetworkRequest, ListForeignNetworkResponse, ListGlobalForeignNetworkRequest,
-            ListGlobalForeignNetworkResponse, ListPeerRequest, ListPeerResponse, ListRouteRequest,
-            ListRouteResponse, PeerInfo, PeerManageRpc, SetWhitelistRequest, SetWhitelistResponse,
-            ShowNodeInfoRequest, ShowNodeInfoResponse,
-        },
-        rpc_types::{self, controller::BaseController},
+use crate::proto::{
+    cli::{
+        AclManageRpc, DumpRouteRequest, DumpRouteResponse, GetAclStatsRequest, GetAclStatsResponse,
+        GetWhitelistRequest, GetWhitelistResponse, ListForeignNetworkRequest,
+        ListForeignNetworkResponse, ListGlobalForeignNetworkRequest,
+        ListGlobalForeignNetworkResponse, ListPeerRequest, ListPeerResponse, ListRouteRequest,
+        ListRouteResponse, PeerInfo, PeerManageRpc, ShowNodeInfoRequest, ShowNodeInfoResponse,
     },
+    rpc_types::{self, controller::BaseController},
 };
 
 use super::peer_manager::PeerManager;
@@ -163,28 +159,6 @@ impl AclManageRpc for PeerManagerRpcService {
         })
     }
 
-    async fn set_whitelist(
-        &self,
-        _: BaseController,
-        request: SetWhitelistRequest,
-    ) -> Result<SetWhitelistResponse, rpc_types::error::Error> {
-        tracing::info!(
-            "Setting whitelist - TCP: {:?}, UDP: {:?}",
-            request.tcp_ports,
-            request.udp_ports
-        );
-
-        let global_ctx = self.peer_manager.get_global_ctx();
-
-        global_ctx.config.set_tcp_whitelist(request.tcp_ports);
-        global_ctx.config.set_udp_whitelist(request.udp_ports);
-        global_ctx
-            .get_acl_filter()
-            .reload_rules(AclRuleBuilder::build(&global_ctx)?.as_ref());
-
-        Ok(SetWhitelistResponse {})
-    }
-
     async fn get_whitelist(
         &self,
         _: BaseController,