修改

src/tunnel_client.cpp

@@ -43,27 +43,26 @@ std::string TunnelClient::handle_local_http(const std::string& method, const std
     }
     else
     {
-        json err = {{"status", 405}, {"body", "unsupported method"}};
+        return json({{"status", 405}, {"body", "unsupported method"}}).dump();
-        return err.dump();
     }
 
     if (!res)
     {
-        json err = {{"status", 500}, {"body", "local http error"}};
+        return json({{"status", 500}, {"body", "local http error"}}).dump();
-        return err.dump();
     }
 
-    json resp = {{"status", res->status}, {"body", res->body}};
+    return json({{"status", res->status}, {"body", res->body}}).dump();
-    return resp.dump();
 }
 
 void TunnelClient::run_loop()
 {
     ws_client c;
+    c.clear_access_channels(websocketpp::log::alevel::all);
     c.init_asio();
 
     websocketpp::connection_hdl hdl;
 
+    // ----------------------- WebSocket 回调 -----------------------
     c.set_open_handler(
         [&](websocketpp::connection_hdl h)
         {
@@ -76,7 +75,8 @@ void TunnelClient::run_loop()
     c.set_message_handler(
         [&](websocketpp::connection_hdl, ws_client::message_ptr msg)
         {
-            // 服务器传来的 HTTP 请求(JSON)
+            try
+            {
                 std::string payload = msg->get_payload();
                 json req = json::parse(payload);
 
@@ -85,18 +85,21 @@ void TunnelClient::run_loop()
                 std::string path = req["path"];
                 std::string body = req.value("body", "");
 
-            // 转发给本地 HTTP 服务
+                std::string local_result = handle_local_http(method, path, body);
-            std::string result = handle_local_http(method, path, body);
 
-            // 包装 response
                 json resp;
                 resp["req_id"] = req_id;
-            resp["resp"] = json::parse(result);
+                resp["resp"] = json::parse(local_result);
 
-            // 发送回服务器
                 c.send(hdl, resp.dump(), websocketpp::frame::opcode::text);
+            }
+            catch (...)
+            {
+                printf("[Tunnel] JSON or HTTP error\n");
+            }
         });
 
+    // ----------------------- 建立连接 -----------------------
     websocketpp::lib::error_code ec;
     auto conn = c.get_connection(ws_url_, ec);
     if (ec)
@@ -104,13 +107,16 @@ void TunnelClient::run_loop()
         printf("[Tunnel] Connection init failed: %s\n", ec.message().c_str());
         return;
     }
-
     c.connect(conn);
 
+    // ----------------------- 主循环 -----------------------
     while (running_)
     {
-        c.run_once();
+        // 处理一次事件
-        std::this_thread::sleep_for(std::chrono::milliseconds(10));
+        c.run_one();
+
+        // 如果连接停止（断线、错误等）——退出 loop
+        if (c.stopped()) break;
     }
 
     printf("[Tunnel] Loop exit\n");