mirrors/haproxy
1
0
Fork 0
mirror of https://git.haproxy.org/git/haproxy.git/ synced 2025-12-24 11:01:00 +01:00
Code Issues Projects Releases Wiki Activity

MINOR: pattern: add pat_ref_gen_delete() function

Browse Source 
pat_ref_gen_delete(ref, gen_id, key) tries to delete all samples belonging
to <gen_id> and matching <key> under <ref>

The goal is to be able to target a single subset from <ref>
This commit is contained in:
Aurelien DARRAGON 2024-11-20 18:18:54 +01:00
parent a131c542a6
commit 4792f27892
2 changed files with 27 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
include/haproxy/pattern.h
View File

@ -194,6 +194,7 @@ int pat_ref_set_elt_duplicate(struct pat_ref *ref, struct pat_ref_elt *elt, cons
int pat_ref_gen_set(struct pat_ref *ref, unsigned int gen_id, const char *key, const char *value, char **err);
int pat_ref_set_by_id(struct pat_ref *ref, struct pat_ref_elt *refelt, const char *value, char **err);
int pat_ref_delete(struct pat_ref *ref, const char *key);
int pat_ref_gen_delete(struct pat_ref *ref, unsigned int gen_id, const char *key);
void pat_ref_delete_by_ptr(struct pat_ref *ref, struct pat_ref_elt *elt);
int pat_ref_delete_by_id(struct pat_ref *ref, struct pat_ref_elt *refelt);
int pat_ref_prune(struct pat_ref *ref);

26
src/pattern.c
View File

@ -1613,6 +1613,32 @@ int pat_ref_delete_by_id(struct pat_ref *ref, struct pat_ref_elt *refelt)
return 0;
}
/* This function removes all elements belonging to <gen_id> and matching <key>
* from the reference <ref>.
* This function returns 1 if the deletion is done and returns 0 if
* the entry is not found.
*/
int pat_ref_gen_delete(struct pat_ref *ref, unsigned int gen_id, const char *key)
{
struct ebmb_node *node;
int found = 0;
/* delete pattern from reference */
node = ebst_lookup(&ref->ebmb_root, key);
while (node) {
struct pat_ref_elt *elt;
elt = ebmb_entry(node, struct pat_ref_elt, node);
node = ebmb_next_dup(node);
if (elt->gen_id != gen_id)
continue;
pat_ref_delete_by_ptr(ref, elt);
found = 1;
}
return found;
}
/* This function removes all patterns matching <key> from the reference
* and from each expr member of the reference. This function returns 1
* if the deletion is done and returns 0 is the entry is not found.