修改mqtt断线06

CameraHandle.cpp

@@ -1073,43 +1073,49 @@ int CameraHandle::resetGb28181(QString &uuiq){
     }
     // 阻塞等待5秒
     //QThread::sleep(5);
-    QTimer::singleShot(5000, this, [this, &is_wifi,&result,&uuiq,&connectedCameraHandle, &newHandle, &device, &old]() {        QString old_ip;
-        int res=1;
-        MainWindow::sp_this->findSnMapIp(this->sSn,old_ip);
-        if(old_ip.length()>0){
-            if(is_wifi){
-                result=connectedCameraHandle->wifiChangeIp(old_ip,newHandle,sSn);
-                int sdk_handle=this->sdkDevLoginSyn(old_ip,loginParam->nDevPort,loginParam->sUserName,loginParam->sPassword,3000);
-                if(sdk_handle<0){
-                    qInfo()<<QString("SN(%1): WIFI新句柄生成失败").arg(sSn);
-                    this->hDevice=newHandle;
-                    res= -1;
-                }else {
+    QTimer* timer = new QTimer(this);
+
+    // 连接 QTimer 的超时信号到匿名槽函数
+    QObject::connect(timer, &QTimer::timeout, [this, &is_wifi, &result, &uuiq, &connectedCameraHandle, &newHandle, &device, &old, timer]() {
+        QString old_ip;
+        int res = 1;
+        MainWindow::sp_this->findSnMapIp(this->sSn, old_ip);
+        if (old_ip.length() > 0) {
+            if (is_wifi) {
+                result = connectedCameraHandle->wifiChangeIp(old_ip, newHandle, sSn);
+                int sdk_handle = this->sdkDevLoginSyn(old_ip, loginParam->nDevPort, loginParam->sUserName, loginParam->sPassword, 3000);
+                if (sdk_handle < 0) {
+                    qInfo() << QString("SN(%1): WIFI新句柄生成失败").arg(sSn);
+                    this->hDevice = newHandle;
+                    res = -1;
+                } else {
                     XSDK_DevLogout(newHandle);
-                    qInfo()<<QString("SN(%1): WIFI新句柄生成成功").arg(sSn);
+                    qInfo() << QString("SN(%1): WIFI新句柄生成成功").arg(sSn);
                 }
-            }else {
-                device.reachableIp=old_ip;
-                device.sSn=sSn;
-                bool result= connectedCameraHandle->changeCameraIp(device);
-                if(result){
-                    int sdk_handle=this->sdkDevLoginSyn(old_ip,loginParam->nDevPort,loginParam->sUserName,loginParam->sPassword,3000);
-                    if(sdk_handle<0){
-                        qInfo()<<QString("SN(%1): 有线新句柄生成失败").arg(sSn);
-                        this->hDevice=old;
-                        res= -1;
-                    }else {
+            } else {
+                device.reachableIp = old_ip;
+                device.sSn = sSn;
+                bool result = connectedCameraHandle->changeCameraIp(device);
+                if (result) {
+                    int sdk_handle = this->sdkDevLoginSyn(old_ip, loginParam->nDevPort, loginParam->sUserName, loginParam->sPassword, 3000);
+                    if (sdk_handle < 0) {
+                        qInfo() << QString("SN(%1): 有线新句柄生成失败").arg(sSn);
+                        this->hDevice = old;
+                        res = -1;
+                    } else {
                         XSDK_DevLogout(old);
-                        qInfo()<<QString("SN(%1): 有线新句柄生成成功").arg(sSn);
-
+                        qInfo() << QString("SN(%1): 有线新句柄生成成功").arg(sSn);
                     }
                 }
             }
         }
-        MainWindow::sp_this->mqttEmitAsynchronous(uuiq,res,device.sSn);
-        return res;
+        MainWindow::sp_this->mqttEmitAsynchronous(uuiq, res, device.sSn);
+        timer->deleteLater(); // 确保在任务完成后删除 QTimer
     });
 
+    // 设置 QTimer 的超时时间为 5 秒
+    timer->setSingleShot(true);
+    timer->start(5000);
     //this->updateSdkDevStatus(true);
     return 1;
 }