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object: Add functions to access the object type, cache and object ops

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This commit is contained in:
Thomas Graf 2012-04-24 14:55:23 +02:00
parent bd1e4d0384
commit ff3e9e314c
2 changed files with 60 additions and 2 deletions
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7
include/netlink/object.h
View file

@ -6,7 +6,7 @@
* License as published by the Free Software Foundation version 2.1
* of the License.
*
* Copyright (c) 2003-2008 Thomas Graf <tgraf@suug.ch>
* Copyright (c) 2003-2012 Thomas Graf <tgraf@suug.ch>
*/
#ifndef NETLINK_OBJECT_H_
@ -57,6 +57,11 @@ extern int nl_object_is_marked(struct nl_object *);
/* Access Functions */
extern int nl_object_get_refcnt(struct nl_object *);
extern struct nl_cache * nl_object_get_cache(struct nl_object *);
extern const char * nl_object_get_type(const struct nl_object *);
extern int nl_object_get_msgtype(const struct nl_object *);
struct nl_object_ops * nl_object_get_ops(const struct nl_object *);
static inline void * nl_object_priv(struct nl_object *obj)
{
return obj;

55
lib/object.c
View file

@ -6,7 +6,7 @@
* License as published by the Free Software Foundation version 2.1
* of the License.
*
* Copyright (c) 2003-2008 Thomas Graf <tgraf@suug.ch>
* Copyright (c) 2003-2012 Thomas Graf <tgraf@suug.ch>
*/
/**
@ -380,16 +380,69 @@ char *nl_object_attr_list(struct nl_object *obj, char *buf, size_t len)
* @{
*/
/**
* Return number of references held
* @arg obj object
*
* @return The number of references held to this object
*/
int nl_object_get_refcnt(struct nl_object *obj)
{
return obj->ce_refcnt;
}
/**
* Return cache the object is associated with
* @arg obj object
*
* @note The returned pointer is not protected with a reference counter,
* it is your responsibility.
*
* @return Pointer to cache or NULL if not associated with a cache.
*/
struct nl_cache *nl_object_get_cache(struct nl_object *obj)
{
return obj->ce_cache;
}
/**
* Return the object's type
* @arg obj object
*
* FIXME: link to list of object types
*
* @return Name of the object type
*/
const char *nl_object_get_type(const struct nl_object *obj)
{
if (!obj->ce_ops)
BUG();
return obj->ce_ops->oo_name;
}
/**
* Return the netlink message type the object was derived from
* @arg obj object
*
* @return Netlink message type or 0.
*/
int nl_object_get_msgtype(const struct nl_object *obj)
{
return obj->ce_msgtype;
}
/**
* Return object operations structure
* @arg obj object
*
* @return Pointer to the object operations structure
*/
struct nl_object_ops *nl_object_get_ops(const struct nl_object *obj)
{
return obj->ce_ops;
}
/** @} */
/** @} */