mqtt断线重连,配置修改重新创建连接01

MqttSubscriber.cpp

@@ -44,7 +44,7 @@ MqttSubscriber::~MqttSubscriber() {
     MQTTAsync_destroy(&client);
     instance = nullptr;
 }
-
+s
 void MqttSubscriber::start() {
     retryTimer->stop(); // 确保每次开始连接前停止定时器
     MQTTAsync_connectOptions conn_opts = MQTTAsync_connectOptions_initializer;
@@ -95,7 +95,6 @@ void MqttSubscriber::onConnect(MQTTAsync_successData* response) {
 
 void MqttSubscriber::reconnectAndFetchConfig() {
     Common & instace= Common::getInstance();
-
     vides_data::responseConfig re_config;
     // 使用 HttpService 从远程云端拉取配置
     HttpService httpService(httpUrl);  // 替换为实际的远程URL
@@ -106,7 +105,7 @@ void MqttSubscriber::reconnectAndFetchConfig() {
         QString topic = QStringLiteral("/thingshub/%1/device/reply").arg(serialNumber);
         re_config.mqttConfig.topic=topic;
         this->config=re_config.mqttConfig;
-        init(re_config.mqttConfig,httpUrl,serialNumber);
+        this->init(re_config.mqttConfig,httpUrl,serialNumber);
         start();
     } else {
         qInfo() << "配置拉取失败，等待10秒后重试";

mainwindow.cpp

@@ -129,6 +129,7 @@ MainWindow::MainWindow()
 
     config.mqttConfig.clientId=serialNumber;
     QString topic = QStringLiteral("/thingshub/%1/device/reply").arg(serialNumber);
+
     config.mqttConfig.topic=topic;
     this->mqttConfig= config.mqttConfig;
     runOrRebootMqtt(mqttConfig,httpurl,serialNumber);