add global interface event notifier

diff --git a/interface.c b/interface.c
index 9301628..5614d39 100644 (file)
--- a/interface.c
+++ b/interface.c
@@ -12,6 +12,7 @@
 #include "system.h"
 
 struct vlist_tree interfaces;
+static LIST_HEAD(iface_all_users);
 
 enum {
        IFACE_ATTR_IFNAME,
@@ -122,7 +123,10 @@ interface_event(struct interface *iface, enum interface_event ev)
        struct interface_user *dep, *tmp;
 
        list_for_each_entry_safe(dep, tmp, &iface->users, list)
-               dep->cb(dep, IFEV_UP);
+               dep->cb(dep, iface, ev);
+
+       list_for_each_entry_safe(dep, tmp, &iface_all_users, list)
+               dep->cb(dep, iface, ev);
 
        interface_queue_event(iface, ev);
 }
@@ -206,10 +210,15 @@ interface_set_available(struct interface *iface, bool new_state)
 void
 interface_add_user(struct interface_user *dep, struct interface *iface)
 {
+       if (!iface) {
+               list_add(&dep->list, &iface_all_users);
+               return;
+       }
+
        dep->iface = iface;
        list_add(&dep->list, &iface->users);
        if (iface->state == IFS_UP)
-               dep->cb(dep, IFEV_UP);
+               dep->cb(dep, iface, IFEV_UP);
 }
 
 void

diff --git a/interface.h b/interface.h
index c89411a..e89db70 100644 (file)
--- a/interface.h
+++ b/interface.h
@@ -36,7 +36,7 @@ struct interface_error {
 struct interface_user {
        struct list_head list;
        struct interface *iface;
-       void (*cb)(struct interface_user *dep, enum interface_event ev);
+       void (*cb)(struct interface_user *dep, struct interface *iface, enum interface_event ev);
 };
 
 struct interface_ip_settings {