ubus: add interface method to trigger renew event

Not all topology or connectivity changes may be detected by netifd,
depending on the underlying technology (e.g. VPN software); this adds a way
to explicitly trigger a renew.

Signed-off-by: Matthias Schiffer <mschiffer@universe-factory.net>
Acked-by: Hans Dedecker <dedeckeh@gmail.com>

1 files changed, 14 insertions, 0 deletions

diff --git a/ubus.c b/ubus.c
index 945eca1..6f7c3e1 100644
--- a/ubus.c
+++ b/ubus.c
@@ -378,6 +378,19 @@ netifd_handle_down(struct ubus_context *ctx, struct ubus_object *obj,
 	return 0;
 }
 
+static int
+netifd_handle_renew(struct ubus_context *ctx, struct ubus_object *obj,
+		   struct ubus_request_data *req, const char *method,
+		   struct blob_attr *msg)
+{
+	struct interface *iface;
+
+	iface = container_of(obj, struct interface, ubus);
+	interface_renew(iface);
+
+	return 0;
+}
+
 static void
 netifd_add_interface_errors(struct blob_buf *b, struct interface *iface)
 {
@@ -914,6 +927,7 @@ netifd_handle_set_data(struct ubus_context *ctx, struct ubus_object *obj,
 static struct ubus_method iface_object_methods[] = {
 	{ .name = "up", .handler = netifd_handle_up },
 	{ .name = "down", .handler = netifd_handle_down },
+	{ .name = "renew", .handler = netifd_handle_renew },
 	{ .name = "status", .handler = netifd_handle_status },
 	{ .name = "prepare", .handler = netifd_handle_iface_prepare },
 	{ .name = "dump", .handler = netifd_handle_dump },