libnl 1.1
|
Functions | |
int | genl_ctrl_resolve (struct nl_handle *handle, const char *name) |
Resolve generic netlink family name to its identifier. | |
Cache Management | |
struct nl_cache * | genl_ctrl_alloc_cache (struct nl_handle *handle) |
struct genl_family * | genl_ctrl_search (struct nl_cache *cache, int id) |
Look up generic netlink family by id in the provided cache. | |
Resolver | |
struct genl_family * | genl_ctrl_search_by_name (struct nl_cache *cache, const char *name) |
Look up generic netlink family by family name in the provided cache. |
struct genl_family* genl_ctrl_search | ( | struct nl_cache * | cache, |
int | id | ||
) | [read] |
cache | Generic netlink family cache. |
id | Family identifier. |
Searches through the cache looking for a registered family matching the specified identifier. The caller will own a reference on the returned object which needs to be given back after usage using genl_family_put().
Definition at line 174 of file ctrl.c.
References nl_object_get().
{ struct genl_family *fam; if (cache->c_ops != &genl_ctrl_ops) BUG(); nl_list_for_each_entry(fam, &cache->c_items, ce_list) { if (fam->gf_id == id) { nl_object_get((struct nl_object *) fam); return fam; } } return NULL; }
struct genl_family* genl_ctrl_search_by_name | ( | struct nl_cache * | cache, |
const char * | name | ||
) | [read] |
cache | Generic netlink family cache. |
name | Family name. |
Searches through the cache looking for a registered family matching the specified name. The caller will own a reference on the returned object which needs to be given back after usage using genl_family_put().
Definition at line 208 of file ctrl.c.
References nl_object_get().
Referenced by genl_ctrl_resolve().
{ struct genl_family *fam; if (cache->c_ops != &genl_ctrl_ops) BUG(); nl_list_for_each_entry(fam, &cache->c_items, ce_list) { if (!strcmp(name, fam->gf_name)) { nl_object_get((struct nl_object *) fam); return fam; } } return NULL; }
int genl_ctrl_resolve | ( | struct nl_handle * | handle, |
const char * | name | ||
) |
handle | Netlink Handle |
name | Name of generic netlink family |
Resolves the generic netlink family name to its identifer and returns it.
Definition at line 238 of file ctrl.c.
References genl_ctrl_search_by_name(), and nl_cache_free().
{ struct nl_cache *cache; struct genl_family *family; int err; cache = genl_ctrl_alloc_cache(handle); if (cache == NULL) return nl_get_errno(); family = genl_ctrl_search_by_name(cache, name); if (family == NULL) { err = nl_error(ENOENT, "Generic Netlink Family not found"); goto errout; } err = genl_family_get_id(family); genl_family_put(family); errout: nl_cache_free(cache); return err; }