Use RTNL newlink watch to reduce code complexity

diff --git a/plugins/ethernet.c b/plugins/ethernet.c
index 1ddf1fa..1e797c0 100644 (file)
--- a/plugins/ethernet.c
+++ b/plugins/ethernet.c
@@ -45,56 +45,38 @@
 struct ethernet_data {
        int index;
        unsigned flags;
+       unsigned int watch;
 };
 
-static GSList *ethernet_list = NULL;
-
-static void ethernet_newlink(unsigned short type, int index,
-                                       unsigned flags, unsigned change)
+static void ethernet_newlink(unsigned flags, unsigned change, void *user_data)
 {
-       GSList *list;
-
-       DBG("index %d flags %ld change %ld", index, flags, change);
-
-       for (list = ethernet_list; list; list = list->next) {
-               struct connman_device *device = list->data;
-               struct ethernet_data *ethernet;
-
-               ethernet = connman_device_get_data(device);
-               if (ethernet == NULL)
-                       continue;
+       struct connman_device *device = user_data;
+       struct ethernet_data *ethernet = connman_device_get_data(device);
 
-               if (ethernet->index != index)
-                       continue;
+       DBG("index %d flags %ld change %ld", ethernet->index, flags, change);
 
-               if ((ethernet->flags & IFF_UP) != (flags & IFF_UP)) {
-                       if (flags & IFF_UP) {
-                               DBG("power on");
-                               connman_device_set_powered(device, TRUE);
-                       } else {
-                               DBG("power off");
-                               connman_device_set_powered(device, FALSE);
-                       }
+       if ((ethernet->flags & IFF_UP) != (flags & IFF_UP)) {
+               if (flags & IFF_UP) {
+                       DBG("power on");
+                       connman_device_set_powered(device, TRUE);
+               } else {
+                       DBG("power off");
+                       connman_device_set_powered(device, FALSE);
                }
+       }
 
-               if ((ethernet->flags & IFF_LOWER_UP) != (flags & IFF_LOWER_UP)) {
-                       if (flags & IFF_LOWER_UP) {
-                               DBG("carrier on");
-                               connman_device_set_carrier(device, TRUE);
-                       } else {
-                               DBG("carrier off");
-                               connman_device_set_carrier(device, FALSE);
-                       }
+       if ((ethernet->flags & IFF_LOWER_UP) != (flags & IFF_LOWER_UP)) {
+               if (flags & IFF_LOWER_UP) {
+                       DBG("carrier on");
+                       connman_device_set_carrier(device, TRUE);
+               } else {
+                       DBG("carrier off");
+                       connman_device_set_carrier(device, FALSE);
                }
-
-               ethernet->flags = flags;
        }
-}
 
-static struct connman_rtnl ethernet_rtnl = {
-       .name           = "ethernet",
-       .newlink        = ethernet_newlink,
-};
+       ethernet->flags = flags;
+}
 
 static int ethernet_probe(struct connman_device *device)
 {
@@ -106,11 +88,13 @@ static int ethernet_probe(struct connman_device *device)
        if (ethernet == NULL)
                return -ENOMEM;
 
-       ethernet_list = g_slist_append(ethernet_list, device);
-
        connman_device_set_data(device, ethernet);
 
        ethernet->index = connman_device_get_index(device);
+       ethernet->flags = 0;
+
+       ethernet->watch = connman_rtnl_add_newlink_watch(ethernet->index,
+                                               ethernet_newlink, device);
 
        connman_rtnl_send_getlink();
 
@@ -125,7 +109,7 @@ static void ethernet_remove(struct connman_device *device)
 
        connman_device_set_data(device, NULL);
 
-       ethernet_list = g_slist_remove(ethernet_list, device);
+       connman_rtnl_remove_watch(ethernet->watch);
 
        g_free(ethernet);
 }
@@ -159,26 +143,12 @@ static struct connman_device_driver ethernet_driver = {
 
 static int ethernet_init(void)
 {
-       int err;
-
-       err = connman_rtnl_register(&ethernet_rtnl);
-       if (err < 0)
-               return err;
-
-       err = connman_device_driver_register(&ethernet_driver);
-       if (err < 0) {
-               connman_rtnl_unregister(&ethernet_rtnl);
-               return err;
-       }
-
-       return 0;
+       return connman_device_driver_register(&ethernet_driver);
 }
 
 static void ethernet_exit(void)
 {
        connman_device_driver_unregister(&ethernet_driver);
-
-       connman_rtnl_unregister(&ethernet_rtnl);
 }
 
 CONNMAN_PLUGIN_DEFINE(ethernet, "Ethernet interface plugin", VERSION,