add new parameter hasChild and set with connection id

dbm/set.go

@@ -1,10 +1,12 @@
 package dbm
 
 import (
+	"fmt"
+
 	json_dataModels "github.com/tecamino/tecamino-json_data/models"
 )
 
-func (d *DBMHandler) Set(req *json_dataModels.Request) {
+func (d *DBMHandler) Set(req *json_dataModels.Request, id string) {
 	if req == nil {
 		return
 	} else if len(req.Set) == 0 {
@@ -13,9 +15,28 @@ func (d *DBMHandler) Set(req *json_dataModels.Request) {
 	d.RLock()
 	defer d.RUnlock()
 
+	resp := json_dataModels.NewResponse()
+	resp.Id = req.Id
+
 	for _, set := range req.Set {
-		for _, dp := range d.DBM.QueryDatapoints(1, set.Uuid, set.Path) {
+		dps := d.DBM.QueryDatapoints(1, set.Uuid, set.Path)
+		if len(dps) == 0 {
+			resp.SetError()
+			if resp.Message == "" {
+				resp.SetMessage(fmt.Sprintf("datapoint %s not found", set.Path))
+			}
+			continue
+		}
+		for _, dp := range dps {
 			dp.UpdateValue(d.Conns, set.Value)
+			resp.AddSet(json_dataModels.Set{
+				Uuid:  dp.Uuid,
+				Path:  dp.Path,
+				Value: dp.Value,
+			})
 		}
 	}
+	if err := d.Conns.SendResponse(id, resp); err != nil {
+		d.Log.Error("get.Set", err.Error())
+	}
 }