ubusd_obj.h

   1 /*
   2  * Copyright (C) 2011 Felix Fietkau <nbd@openwrt.org>
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU Lesser General Public License version 2.1
   6  * as published by the Free Software Foundation
   7  *
   8  * This program is distributed in the hope that it will be useful,
   9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11  * GNU General Public License for more details.
  12  */
  13
  14 #ifndef __UBUSD_OBJ_H
  15 #define __UBUSD_OBJ_H
  16
  17 #include "ubusd_id.h"
  18
  19 extern struct avl_tree obj_types;
  20 extern struct avl_tree objects;
  21 extern struct avl_tree path;
  22
  23 struct ubus_client;
  24 struct ubus_msg_buf;
  25
  26 struct ubus_object_type {
  27         struct ubus_id id;
  28         int refcount;
  29         struct list_head methods;
  30 };
  31
  32 struct ubus_method {
  33         struct list_head list;
  34         const char *name;
  35         struct blob_attr data[];
  36 };
  37
  38 struct ubus_object {
  39         struct ubus_id id;
  40         struct list_head list;
  41
  42         struct list_head events;
  43
  44         struct ubus_object_type *type;
  45         struct avl_node path;
  46
  47         struct ubus_client *client;
  48         int (*recv_msg)(struct ubus_client *client, const char *method, struct blob_attr *msg);
  49
  50         int event_seen;
  51 };
  52
  53 struct ubus_object *ubusd_create_object(struct ubus_client *cl, struct blob_attr **attr);
  54 struct ubus_object *ubusd_create_object_internal(struct ubus_object_type *type, uint32_t id);
  55 void ubusd_free_object(struct ubus_object *obj);
  56
  57 static inline struct ubus_object *ubusd_find_object(uint32_t objid)
  58 {
  59         struct ubus_object *obj;
  60         struct ubus_id *id;
  61
  62         id = ubus_find_id(&objects, objid);
  63         if (!id)
  64                 return NULL;
  65
  66         obj = container_of(id, struct ubus_object, id);
  67         return obj;
  68 }
  69
  70 #endif