add support for attaching arbitrary state data to interfaces

[project/netifd.git] / ubus.c

diff --git a/ubus.c b/ubus.c
index 40c6374..b01d6ad 100644 (file)
--- a/ubus.c
+++ b/ubus.c
@@ -289,6 +289,7 @@ netifd_handle_status(struct ubus_context *ctx, struct ubus_object *obj,
                     struct blob_attr *msg)
 {
        struct interface *iface;
+       struct interface_data *data;
        struct device *dev;
        void *a;
 
@@ -321,6 +322,12 @@ netifd_handle_status(struct ubus_context *ctx, struct ubus_object *obj,
                blobmsg_close_array(&b, a);
        }
 
+       a = blobmsg_open_table(&b, "data");
+       avl_for_each_element(&iface->data, data, node)
+               blob_put(&b, blob_id(data->data), blob_data(data->data), blob_len(data->data));
+
+       blobmsg_close_table(&b, a);
+
        if (!list_is_empty(&iface->errors))
                netifd_add_interface_errors(&b, iface);
 
@@ -425,6 +432,26 @@ netifd_handle_iface_prepare(struct ubus_context *ctx, struct ubus_object *obj,
        return ops->prepare(dev);
 }
 
+static int
+netifd_handle_set_data(struct ubus_context *ctx, struct ubus_object *obj,
+                      struct ubus_request_data *req, const char *method,
+                      struct blob_attr *msg)
+{
+       struct interface *iface;
+       struct blob_attr *cur;
+       int rem, ret;
+
+       iface = container_of(obj, struct interface, ubus);
+
+       blob_for_each_attr(cur, msg, rem) {
+               ret = interface_add_data(iface, cur);
+               if (ret)
+                       return ret;
+       }
+
+       return 0;
+}
+
 static struct ubus_method iface_object_methods[] = {
        { .name = "up", .handler = netifd_handle_up },
        { .name = "down", .handler = netifd_handle_down },
@@ -433,7 +460,8 @@ static struct ubus_method iface_object_methods[] = {
        UBUS_METHOD("add_device", netifd_iface_handle_device, dev_policy ),
        UBUS_METHOD("remove_device", netifd_iface_handle_device, dev_policy ),
        { .name = "notify_proto", .handler = netifd_iface_notify_proto },
-       { .name = "remove", .handler = netifd_iface_remove }
+       { .name = "remove", .handler = netifd_iface_remove },
+       { .name = "set_data", .handler = netifd_handle_set_data },
 };
 
 static struct ubus_object_type iface_object_type =