add standard task handler

nm/start.go

@@ -192,17 +192,24 @@ func handlerStandardTask(nodeManager *models.NodeManagerClient,
 	worker nodeManagerV1.NodeManagerService_RegisterWorkerClient,
 	msgRespWorker *RespMsgWorker,
 	taskMsgWorker *TaskHandler) {
+	ticker := time.NewTicker(time.Second * 3)
 	for {
-		for taskMsgWorker.IsExecStandardTask {
-		}
-		noExecAiTaskTime := time.Now()
-		for !taskMsgWorker.IsExecAiTask {
-			since := time.Since(noExecAiTaskTime)
-			if since.Seconds() == 30 {
-				msgRespWorker.RegisterMsgResp(nodeManager, worker, FetchStandardTaskResp, nil)
-				taskMsgWorker.IsExecStandardTask = true
-				noExecAiTaskTime = time.Now()
-				break
+		select {
+		case <-ticker.C:
+			{
+				if taskMsgWorker.IsExecStandardTask {
+					continue
+				}
+				noExecAiTaskTime := time.Now()
+				for !taskMsgWorker.IsExecAiTask {
+					since := time.Since(noExecAiTaskTime)
+					if since.Seconds() == 30 {
+						msgRespWorker.RegisterMsgResp(nodeManager, worker, FetchStandardTaskResp, nil)
+						taskMsgWorker.IsExecStandardTask = true
+						noExecAiTaskTime = time.Now()
+						break
+					}
+				}
 			}
 		}
 	}