2 * netlink/object.c Generic Cacheable Object
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
9 * Copyright (c) 2003-2008 Thomas Graf <tgraf@suug.ch>
12 #ifndef NETLINK_OBJECT_H_
13 #define NETLINK_OBJECT_H_
15 #include <netlink/netlink.h>
16 #include <netlink/utils.h>
17 #include <netlink/object-api.h>
34 #define OBJ_CAST(ptr) ((struct nl_object *) (ptr))
37 extern struct nl_object * nl_object_alloc(struct nl_object_ops *);
38 extern void nl_object_free(struct nl_object *);
39 extern struct nl_object * nl_object_clone(struct nl_object *obj);
43 extern int nl_object_alloc_name(const char *,
45 extern void nl_object_dump(struct nl_object *,
46 struct nl_dump_params *);
48 extern uint32_t nl_object_diff(struct nl_object *,
50 extern int nl_object_match_filter(struct nl_object *,
52 extern int nl_object_identical(struct nl_object *,
54 extern char * nl_object_attrs2str(struct nl_object *,
55 uint32_t attrs, char *buf,
59 * Check whether this object is used by multiple users
60 * @arg obj object to check
61 * @return true or false
63 static inline int nl_object_shared(struct nl_object *obj)
65 return obj->ce_refcnt > 1;
69 static inline void nl_object_get(struct nl_object *obj)
74 static inline void nl_object_put(struct nl_object *obj)
81 if (obj->ce_refcnt <= 0)
93 * @arg obj Object to mark
95 static inline void nl_object_mark(struct nl_object *obj)
97 obj->ce_flags |= NL_OBJ_MARK;
101 * Remove mark from object
102 * @arg obj Object to unmark
104 static inline void nl_object_unmark(struct nl_object *obj)
106 obj->ce_flags &= ~NL_OBJ_MARK;
110 * Return true if object is marked
111 * @arg obj Object to check
112 * @return true if object is marked, otherwise false
114 static inline int nl_object_is_marked(struct nl_object *obj)
116 return (obj->ce_flags & NL_OBJ_MARK);
123 * Return list of attributes present in an object
125 * @arg buf destination buffer
126 * @arg len length of destination buffer
128 * @return destination buffer.
130 static inline char *nl_object_attr_list(struct nl_object *obj, char *buf, size_t len)
132 return nl_object_attrs2str(obj, obj->ce_mask, buf, len);
141 static inline int nl_object_get_refcnt(struct nl_object *obj)
143 return obj->ce_refcnt;
146 static inline struct nl_cache *nl_object_get_cache(struct nl_object *obj)
148 return obj->ce_cache;
151 static inline void * nl_object_priv(struct nl_object *obj)