split alias support into a separate source file for better readability

[project/netifd.git] / device.c

diff --git a/device.c b/device.c
index 017fe03..34ad9ad 100644 (file)
--- a/device.c
+++ b/device.c
@@ -29,17 +29,6 @@
 #include "config.h"
 
 static struct avl_tree devices;
-static struct avl_tree aliases;
-
-struct alias_device {
-       struct avl_node avl;
-       struct device dev;
-       struct device_user dep;
-       bool cleanup;
-       char name[];
-};
-
-static const struct device_type alias_device_type;
 
 static const struct blobmsg_policy dev_attrs[__DEV_ATTR_MAX] = {
        [DEV_ATTR_TYPE] = { "type", BLOBMSG_TYPE_STRING },
@@ -137,54 +126,6 @@ const struct device_type simple_device_type = {
        .free = simple_device_free,
 };
 
-static int
-alias_device_set_state(struct device *dev, bool state)
-{
-       struct alias_device *alias;
-
-       alias = container_of(dev, struct alias_device, dev);
-       if (!alias->dep.dev)
-               return -1;
-
-       if (state)
-               return device_claim(&alias->dep);
-
-       device_release(&alias->dep);
-       if (alias->cleanup)
-               device_remove_user(&alias->dep);
-       return 0;
-}
-
-static struct device *
-alias_device_create(const char *name, struct blob_attr *attr)
-{
-       struct alias_device *alias;
-
-       alias = calloc(1, sizeof(*alias) + strlen(name) + 1);
-       strcpy(alias->name, name);
-       alias->dev.set_state = alias_device_set_state;
-       device_init_virtual(&alias->dev, &alias_device_type, NULL);
-       alias->avl.key = alias->name;
-       avl_insert(&aliases, &alias->avl);
-
-       return &alias->dev;
-}
-
-static void alias_device_free(struct device *dev)
-{
-       struct alias_device *alias;
-
-       alias = container_of(dev, struct alias_device, dev);
-       avl_delete(&aliases, &alias->avl);
-       free(alias);
-}
-
-static const struct device_type alias_device_type = {
-       .name = "Network alias",
-       .create = alias_device_create,
-       .free = alias_device_free,
-};
-
 static void
 device_merge_settings(struct device *dev, struct device_settings *n)
 {
@@ -237,7 +178,6 @@ device_init_settings(struct device *dev, struct blob_attr **tb)
 static void __init dev_init(void)
 {
        avl_init(&devices, avl_strcmp, true, NULL);
-       avl_init(&aliases, avl_strcmp, false, NULL);
 }
 
 void device_broadcast_event(struct device *dev, enum device_event ev)
@@ -252,34 +192,6 @@ void device_broadcast_event(struct device *dev, enum device_event ev)
        }
 }
 
-void
-alias_notify_device(const char *name, struct device *dev)
-{
-       struct alias_device *alias;
-
-       device_lock();
-
-       alias = avl_find_element(&aliases, name, alias, avl);
-       if (!alias)
-               return;
-
-       alias->cleanup = !dev;
-       if (dev) {
-               if (dev != alias->dep.dev) {
-                       device_remove_user(&alias->dep);
-                       strcpy(alias->dev.ifname, dev->ifname);
-                       device_add_user(&alias->dep, dev);
-               }
-       }
-
-       device_set_present(&alias->dev, !!dev);
-
-       if (!dev && alias->dep.dev && !alias->dep.dev->active)
-               device_remove_user(&alias->dep);
-
-       device_unlock();
-}
-
 int device_claim(struct device_user *dep)
 {
        struct device *dev = dep->dev;
@@ -386,18 +298,6 @@ device_create_default(const char *name, bool external)
        return dev;
 }
 
-static struct device *
-device_alias_get(const char *name)
-{
-       struct alias_device *alias;
-
-       alias = avl_find_element(&aliases, name, alias, avl);
-       if (alias)
-               return &alias->dev;
-
-       return alias_device_create(name, NULL);
-}
-
 struct device *
 device_get(const char *name, int create)
 {