[VOL5378]-support to set offload onu config

Change-Id: I7be0d038fcb1ba9a0a858469198c25b819b48eac
Signed-off-by: Akash Soni <akash.soni@radisys.com>
diff --git a/internal/pkg/core/openonu.go b/internal/pkg/core/openonu.go
index 8028c34..fb3e2be 100755
--- a/internal/pkg/core/openonu.go
+++ b/internal/pkg/core/openonu.go
@@ -1253,9 +1253,30 @@
 	return nil, errors.New("unImplemented")
 }
 
-// SetSingleValue is unimplemented
-func (oo *OpenONUAC) SetSingleValue(context.Context, *extension.SingleSetValueRequest) (*extension.SingleSetValueResponse, error) {
-	return nil, errors.New("unImplemented")
+// SetSingleValue sets a single value based on the given request and returns the response.
+func (oo *OpenONUAC) SetSingleValue(ctx context.Context, request *extension.SingleSetValueRequest) (*extension.SingleSetValueResponse, error) {
+	logger.Infow(ctx, "single_set_value_request", log.Fields{"request": request})
+
+	errResp := func(status extension.SetValueResponse_Status,
+		reason extension.SetValueResponse_ErrorReason) *extension.SingleSetValueResponse {
+		return &extension.SingleSetValueResponse{
+			Response: &extension.SetValueResponse{
+				Status:    status,
+				ErrReason: reason,
+			},
+		}
+	}
+	if handler := oo.getDeviceHandler(ctx, request.TargetId, false); handler != nil {
+		switch reqType := request.GetRequest().GetRequest().(type) {
+		case *extension.SetValueRequest_AppOffloadOnuConfig:
+			return handler.setOnuOffloadStats(ctx, reqType.AppOffloadOnuConfig), nil
+		default:
+			return errResp(extension.SetValueResponse_ERROR, extension.SetValueResponse_UNSUPPORTED), nil
+		}
+	}
+
+	logger.Infow(ctx, "Single_set_value_request failed ", log.Fields{"request": request})
+	return errResp(extension.SetValueResponse_ERROR, extension.SetValueResponse_INVALID_DEVICE_ID), nil
 }
 
 // StartOmciTest not implemented