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PR61891: looping over mostly full LDAP cache

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*) mod_ldap: Fix a case where a full LDAP cache would continually fail to
     purge old entries and log AH01323. PR61891.



Submitted By: Hendrik Harms <hendrik.harms gmail.com>
Committed By: covener



git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1818040 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Eric Covener
2017-12-13 16:55:48 +00:00
parent c88a8745d6
commit fb9686170c
5 changed files with 35 additions and 7 deletions
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2
modules/ldap/util_ldap_cache.h
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@@ -46,6 +46,7 @@ struct util_ald_cache {
unsigned long numentries; /* Current number of cache entries */
unsigned long fullmark; /* Used to keep track of when cache becomes 3/4 full */
apr_time_t marktime; /* Time that the cache became 3/4 full */
unsigned long ttl; /* Time to live for items in cache */
unsigned long (*hash)(void *); /* Func to hash the payload */
int (*compare)(void *, void *); /* Func to compare two payloads */
void * (*copy)(util_ald_cache_t *cache, void *); /* Func to alloc mem and copy payload to new mem */
@@ -188,6 +189,7 @@ void util_ald_cache_purge(util_ald_cache_t *cache);
util_url_node_t *util_ald_create_caches(util_ldap_state_t *s, const char *url);
util_ald_cache_t *util_ald_create_cache(util_ldap_state_t *st,
long cache_size,
long cache_ttl,
unsigned long (*hashfunc)(void *),
int (*comparefunc)(void *, void *),
void * (*copyfunc)(util_ald_cache_t *cache, void *),