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 uint64_t			nl_object_diff64(struct nl_object *,
47 						 struct nl_object *);
48 extern int			nl_object_match_filter(struct nl_object *,
49 						       struct nl_object *);
50 extern char *			nl_object_attrs2str(struct nl_object *,
51 						    uint32_t attrs, char *buf,
52 						    size_t);
53 extern char *			nl_object_attr_list(struct nl_object *,
54 						    char *, size_t);
55 extern void			nl_object_keygen(struct nl_object *,
56 						 uint32_t *, uint32_t);
57 
58 /* Marks */
59 extern void			nl_object_mark(struct nl_object *);
60 extern void			nl_object_unmark(struct nl_object *);
61 extern int			nl_object_is_marked(struct nl_object *);
62 
63 /* Access Functions */
64 extern int			nl_object_get_refcnt(struct nl_object *);
65 extern struct nl_cache *	nl_object_get_cache(struct nl_object *);
66 extern const char *		nl_object_get_type(const struct nl_object *);
67 extern int			nl_object_get_msgtype(const struct nl_object *);
68 struct nl_object_ops *		nl_object_get_ops(const struct nl_object *);
69 uint32_t			nl_object_get_id_attrs(struct nl_object *obj);
70 
71 
nl_object_priv(struct nl_object * obj)72 static inline void *		nl_object_priv(struct nl_object *obj)
73 {
74 	return obj;
75 }
76 
77 
78 #ifdef __cplusplus
79 }
80 #endif
81 
82 #endif
83