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_subscription { 39 struct list_head list, target_list; 40 struct ubus_object *subscriber, *target; 41 }; 42 43 struct ubus_object { 44 struct ubus_id id; 45 struct list_head list; 46 47 struct list_head events; 48 49 struct list_head subscribers, target_list; 50 51 struct ubus_object_type *type; 52 struct avl_node path; 53 54 struct ubus_client *client; 55 int (*recv_msg)(struct ubus_client *client, struct ubus_msg_buf *ub, 56 const char *method, struct blob_attr *msg); 57 58 int event_seen; 59 unsigned int invoke_seq; 60 }; 61 62 struct ubus_object *ubusd_create_object(struct ubus_client *cl, struct blob_attr **attr); 63 struct ubus_object *ubusd_create_object_internal(struct ubus_object_type *type, uint32_t id); 64 void ubusd_free_object(struct ubus_object *obj); 65 66 static inline struct ubus_object *ubusd_find_object(uint32_t objid) 67 { 68 struct ubus_object *obj; 69 struct ubus_id *id; 70 71 id = ubus_find_id(&objects, objid); 72 if (!id) 73 return NULL; 74 75 obj = container_of(id, struct ubus_object, id); 76 return obj; 77 } 78 79 void ubus_subscribe(struct ubus_object *obj, struct ubus_object *target); 80 void ubus_unsubscribe(struct ubus_subscription *s); 81 void ubus_notify_unsubscribe(struct ubus_subscription *s); 82 void ubus_notify_subscription(struct ubus_object *obj); 83 84 #endif 85
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