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MINOR: guid: add guid_count() function

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returns the total amount of registered GUIDs in the guid_tree
This commit is contained in:
Aurelien DARRAGON 2025-04-15 12:40:17 +02:00
parent 7c52964591
commit 4c3a36c609
2 changed files with 19 additions and 0 deletions
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1
include/haproxy/guid.h
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@ -22,5 +22,6 @@ static inline const char *guid_get(const struct guid_node *guid)
int guid_is_valid_fmt(const char *uid, char **errmsg);
char *guid_name(const struct guid_node *guid);
int guid_count(void);
#endif /* _HAPROXY_GUID_H */

18
src/guid.c
View file

@ -11,6 +11,7 @@
/* GUID global tree */
struct eb_root guid_tree = EB_ROOT_UNIQUE;
__decl_thread(HA_RWLOCK_T guid_lock);
static int _guid_count = 0;
/* Initialize <guid> members. */
void guid_init(struct guid_node *guid)
@ -69,15 +70,19 @@ int guid_insert(enum obj_type *objt, const char *uid, char **errmsg)
memprintf(errmsg, "duplicate entry with %s", dup_name);
goto err;
}
_guid_count += 1;
HA_RWLOCK_WRUNLOCK(GUID_LOCK, &guid_lock);
guid->obj_type = objt;
return 0;
err:
if (guid)
ha_free(&guid->node.key);
ha_free(&dup_name);
if (guid)
guid->node.key = NULL; /* so that we can check that guid is not in a tree */
return 1;
}
@ -88,6 +93,8 @@ void guid_remove(struct guid_node *guid)
{
HA_RWLOCK_WRLOCK(GUID_LOCK, &guid_lock);
ebpt_delete(&guid->node);
if (guid->node.key)
_guid_count--;
ha_free(&guid->node.key);
HA_RWLOCK_WRUNLOCK(GUID_LOCK, &guid_lock);
}
@ -171,3 +178,14 @@ char *guid_name(const struct guid_node *guid)
return NULL;
}
/* returns the number of guid inserted in guid_tree */
int guid_count(void)
{
int count;
HA_RWLOCK_WRLOCK(GUID_LOCK, &guid_lock);
count = _guid_count;
HA_RWLOCK_WRUNLOCK(GUID_LOCK, &guid_lock);
return count;
}