Add ubus function to create nested interfaces

[project/netifd.git] / ubus.c

diff --git a/ubus.c b/ubus.c
index a4c5b09..d245541 100644 (file)
--- a/ubus.c
+++ b/ubus.c
@@ -108,11 +108,69 @@ netifd_get_proto_handlers(struct ubus_context *ctx, struct ubus_object *obj,
        return 0;
 }
 
+
+enum {
+       DI_NAME,
+       __DI_MAX
+};
+
+static const struct blobmsg_policy dynamic_policy[__DI_MAX] = {
+       [DI_NAME] = { .name = "name", .type = BLOBMSG_TYPE_STRING },
+};
+
+static int
+netifd_add_dynamic(struct ubus_context *ctx, struct ubus_object *obj,
+                     struct ubus_request_data *req, const char *method,
+                     struct blob_attr *msg)
+{
+       struct blob_attr *tb[__DI_MAX];
+       struct interface *iface;
+       struct blob_attr *config;
+       struct device *dev;
+
+       blobmsg_parse(dynamic_policy, __DI_MAX, tb, blob_data(msg), blob_len(msg));
+
+       if (!tb[DI_NAME])
+               return UBUS_STATUS_INVALID_ARGUMENT;
+
+       const char *name = blobmsg_get_string(tb[DI_NAME]);
+
+       iface = calloc(1, sizeof(*iface));
+       if (!iface)
+               return UBUS_STATUS_UNKNOWN_ERROR;
+
+       interface_init(iface, name, msg, true);
+       iface->device_config = true;
+
+       config = blob_memdup(msg);
+       if (!config)
+               goto error;
+
+       interface_add(iface, config);
+
+       // need to look up the interface name again, in case of config update,
+       iface = vlist_find(&interfaces, name, iface, node);
+       if (!iface)
+               return UBUS_STATUS_UNKNOWN_ERROR;
+
+       dev = iface->main_dev.dev;
+       if (!dev || !dev->default_config)
+               return UBUS_STATUS_UNKNOWN_ERROR;
+
+       device_set_config(dev, dev->type, msg);
+       return UBUS_STATUS_OK;
+
+error:
+       free(iface);
+       return UBUS_STATUS_UNKNOWN_ERROR;
+}
+
 static struct ubus_method main_object_methods[] = {
        { .name = "restart", .handler = netifd_handle_restart },
        { .name = "reload", .handler = netifd_handle_reload },
        UBUS_METHOD("add_host_route", netifd_add_host_route, route_policy),
        { .name = "get_proto_handlers", .handler = netifd_get_proto_handlers },
+       UBUS_METHOD("add_dynamic", netifd_add_dynamic, dynamic_policy),
 };
 
 static struct ubus_object_type main_object_type =