优化

src/main.rs

@@ -9,6 +9,7 @@ use serialport;
 use actix_web::{web, App, HttpServer, HttpResponse};
 use actix_cors::Cors;
 use std::fs;
+use std::sync::{Arc, Mutex};
 
 #[derive(Serialize, Deserialize)]
 struct WeightData {
@@ -26,7 +27,7 @@ struct ScaleTypeResponse {
     scale_type: String,
 }
 
-#[derive(Deserialize)]
+#[derive(Deserialize, Clone)]
 struct MqttConfig {
     client_id: String,
     host: String,
@@ -146,24 +147,27 @@ async fn run_mqtt_and_serial() -> Result<()> {
         Ok(_) => {}
     }
     
+    let mqtt_config = config.mqtt.clone();
+    
     // 创建MQTT连接函数
-    let create_mqtt_client = || -> (Client, rumqttc::Connection) {
+    let create_mqtt_client = move || -> (Client, rumqttc::Connection) {
         let mut mqttopts = MqttOptions::new(
-            &config.mqtt.client_id,
-            &config.mqtt.host,
-            config.mqtt.port
+            &mqtt_config.client_id,
+            &mqtt_config.host,
+            mqtt_config.port
         );
         mqttopts.set_keep_alive(Duration::from_secs(60)); // 增加保活时间到60秒
-        mqttopts.set_credentials(&config.mqtt.username, &config.mqtt.password);
+        mqttopts.set_credentials(&mqtt_config.username, &mqtt_config.password);
         mqttopts.set_clean_session(true);
         Client::new(mqttopts, 10)
     };
 
     // 初始化MQTT客户端
-    let (mut client, mut connection) = create_mqtt_client();
+    let (client, mut connection) = create_mqtt_client();
+    let client = Arc::new(Mutex::new(client));
+    let client_clone = client.clone();
 
     // 在单独的线程中处理MQTT连接
-    let mqtt_config = config.mqtt.clone();
     thread::spawn(move || {
         loop {
             for notification in connection.iter() {
@@ -174,7 +178,7 @@ async fn run_mqtt_and_serial() -> Result<()> {
                         thread::sleep(Duration::from_secs(5)); // 等待5秒后重试
                         // 重新创建连接
                         let (new_client, new_connection) = create_mqtt_client();
-                        client = new_client;
+                        *client_clone.lock().unwrap() = new_client;
                         connection = new_connection;
                         break;
                     }
@@ -235,7 +239,8 @@ async fn run_mqtt_and_serial() -> Result<()> {
                                     
                                     // 添加重试机制
                                     while retry_count < max_retries {
-                                        match client.publish(&topic, QoS::AtLeastOnce, false, json_data.clone()) {
+                                        let mut client_guard = client.lock().unwrap();
+                                        match client_guard.publish(&topic, QoS::AtLeastOnce, false, json_data.clone()) {
                                             Ok(_) => {
                                                 println!("成功发送数据到MQTT");
                                                 break;