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Merge pull request #7768 from donaldsharp/route_map_opt

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Route map dependency fix
This commit is contained in:
Donatas Abraitis 2020-12-19 15:02:15 +02:00 committed by GitHub
commit 1facc03e61
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 32 additions and 21 deletions
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53
lib/routemap.c
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@ -1347,7 +1347,7 @@ enum rmap_compile_rets route_map_add_match(struct route_map_index *index,
get_route_map_delete_event(type);
route_map_upd8_dependency(
delete_rmap_event_type,
rule_key,
rule->rule_str,
index->map->name);
}
@ -2586,22 +2586,23 @@ static void route_map_clear_reference(struct hash_bucket *bucket, void *arg)
struct route_map_dep *dep = bucket->data;
struct route_map_dep_data *dep_data = NULL, tmp_dep_data;
if (arg) {
memset(&tmp_dep_data, 0, sizeof(struct route_map_dep_data));
tmp_dep_data.rname = arg;
dep_data = hash_release(dep->dep_rmap_hash,
&tmp_dep_data);
if (dep_data) {
XFREE(MTYPE_ROUTE_MAP_NAME, dep_data->rname);
XFREE(MTYPE_ROUTE_MAP_DEP_DATA, dep_data);
}
if (!dep->dep_rmap_hash->count) {
dep = hash_release(dep->this_hash,
(void *)dep->dep_name);
hash_free(dep->dep_rmap_hash);
XFREE(MTYPE_ROUTE_MAP_NAME, dep->dep_name);
XFREE(MTYPE_ROUTE_MAP_DEP, dep);
}
memset(&tmp_dep_data, 0, sizeof(struct route_map_dep_data));
tmp_dep_data.rname = arg;
dep_data = hash_release(dep->dep_rmap_hash, &tmp_dep_data);
if (dep_data) {
if (rmap_debug)
zlog_debug("Clearing reference for %s to %s count: %d",
dep->dep_name, tmp_dep_data.rname,
dep_data->refcnt);
XFREE(MTYPE_ROUTE_MAP_NAME, dep_data->rname);
XFREE(MTYPE_ROUTE_MAP_DEP_DATA, dep_data);
}
if (!dep->dep_rmap_hash->count) {
dep = hash_release(dep->this_hash, (void *)dep->dep_name);
hash_free(dep->dep_rmap_hash);
XFREE(MTYPE_ROUTE_MAP_NAME, dep->dep_name);
XFREE(MTYPE_ROUTE_MAP_DEP, dep);
}
}
@ -2609,6 +2610,9 @@ static void route_map_clear_all_references(char *rmap_name)
{
int i;
if (rmap_debug)
zlog_debug("Clearing references for %s", rmap_name);
for (i = 1; i < ROUTE_MAP_DEP_MAX; i++) {
hash_iterate(route_map_dep_hash[i], route_map_clear_reference,
(void *)rmap_name);
@ -2763,12 +2767,19 @@ static int route_map_dep_update(struct hash *dephash, const char *dep_name,
memset(&tmp_dep_data, 0, sizeof(struct route_map_dep_data));
tmp_dep_data.rname = rname;
dep_data = hash_lookup(dep->dep_rmap_hash, &tmp_dep_data);
if (!dep_data)
/*
* If dep_data is NULL then something has gone seriously
* wrong in route-map handling. Note it and prevent
* the crash.
*/
if (!dep_data) {
zlog_warn(
"route-map dependency for route-map %s: %s is not correct",
rmap_name, dep_name);
goto out;
}
if (dep_data->refcnt)
dep_data->refcnt--;
dep_data->refcnt--;
if (!dep_data->refcnt) {
ret_dep_data = hash_release(dep->dep_rmap_hash,