1 /*
2  * netlink/object.c	Generic Cacheable Object
3  *
4  *	This library is free software; you can redistribute it and/or
5  *	modify it under the terms of the GNU Lesser General Public
6  *	License as published by the Free Software Foundation version 2.1
7  *	of the License.
8  *
9  * Copyright (c) 2003-2012 Thomas Graf <tgraf@suug.ch>
10  */
11 
12 #ifndef NETLINK_OBJECT_H_
13 #define NETLINK_OBJECT_H_
14 
15 #include <netlink/netlink.h>
16 #include <netlink/utils.h>
17 
18 #ifdef __cplusplus
19 extern "C" {
20 #endif
21 
22 struct nl_cache;
23 struct nl_object;
24 struct nl_object_ops;
25 
26 #define OBJ_CAST(ptr)		((struct nl_object *) (ptr))
27 
28 /* General */
29 extern struct nl_object *	nl_object_alloc(struct nl_object_ops *);
30 extern int			nl_object_alloc_name(const char *,
31 						     struct nl_object **);
32 extern void			nl_object_free(struct nl_object *);
33 extern struct nl_object *	nl_object_clone(struct nl_object *obj);
34 extern int			nl_object_update(struct nl_object *dst,
35 						 struct nl_object *src);
36 extern void			nl_object_get(struct nl_object *);
37 extern void			nl_object_put(struct nl_object *);
38 extern int			nl_object_shared(struct nl_object *);
39 extern void			nl_object_dump(struct nl_object *,
40 					       struct nl_dump_params *);
41 extern void			nl_object_dump_buf(struct nl_object *, char *, size_t);
42 extern int			nl_object_identical(struct nl_object *,
43 						    struct nl_object *);
44 extern uint32_t			nl_object_diff(struct nl_object *,
45 					       struct nl_object *);
46 extern int			nl_object_match_filter(struct nl_object *,
47 						       struct nl_object *);
48 extern char *			nl_object_attrs2str(struct nl_object *,
49 						    uint32_t attrs, char *buf,
50 						    size_t);
51 extern char *			nl_object_attr_list(struct nl_object *,
52 						    char *, size_t);
53 extern void			nl_object_keygen(struct nl_object *,
54 						 uint32_t *, uint32_t);
55 
56 /* Marks */
57 extern void			nl_object_mark(struct nl_object *);
58 extern void			nl_object_unmark(struct nl_object *);
59 extern int			nl_object_is_marked(struct nl_object *);
60 
61 /* Access Functions */
62 extern int			nl_object_get_refcnt(struct nl_object *);
63 extern struct nl_cache *	nl_object_get_cache(struct nl_object *);
64 extern const char *		nl_object_get_type(const struct nl_object *);
65 extern int			nl_object_get_msgtype(const struct nl_object *);
66 struct nl_object_ops *		nl_object_get_ops(const struct nl_object *);
67 uint32_t			nl_object_get_id_attrs(struct nl_object *obj);
68 
69 
nl_object_priv(struct nl_object * obj)70 static inline void *		nl_object_priv(struct nl_object *obj)
71 {
72 	return obj;
73 }
74 
75 
76 #ifdef __cplusplus
77 }
78 #endif
79 
80 #endif
81