Sending SIGUSR2 to dovecot-auth now also logs statistics about cache inserts.

--HG--
branch : HEAD

diff --git a/src/auth/auth-cache.c b/src/auth/auth-cache.c
index b90b91682ca64eea43037db702aaace7aec62334..cf7a6471240d27b170fc9300175166ee72fe1640 100644 (file)
--- a/src/auth/auth-cache.c
+++ b/src/auth/auth-cache.c
@@ -19,6 +19,8 @@ struct auth_cache {
        unsigned int ttl_secs, neg_ttl_secs;
 
        unsigned int hit_count, miss_count;
+       unsigned int pos_entries, neg_entries;
+       unsigned long long pos_size, neg_size;
 };
 
 char *auth_cache_parse_key(pool_t pool, const char *query)
@@ -108,8 +110,15 @@ static void sig_auth_cache_stats(int signo ATTR_UNUSED, void *context)
               cache->hit_count, total_count,
               total_count == 0 ? 100 : (cache->hit_count * 100 / total_count));
 
-       /* reset hit counter */
+       i_info("Authentication cache inserts: "
+              "positive: %u %lluB, negative: %u %lluB",
+              cache->pos_entries, cache->pos_size,
+              cache->neg_entries, cache->neg_size);
+
+       /* reset counters */
        cache->hit_count = cache->miss_count = 0;
+       cache->pos_entries = cache->neg_entries = 0;
+       cache->pos_size = cache->neg_size = 0;
 }
 
 struct auth_cache *auth_cache_new(size_t max_size, unsigned int ttl_secs,
@@ -249,6 +258,14 @@ void auth_cache_insert(struct auth_cache *cache, struct auth_request *request,
 
        cache->size_left -= alloc_size;
        hash_table_insert(cache->hash, node->data, node);
+
+       if (*value != '\0') {
+               cache->pos_entries++;
+               cache->pos_size += alloc_size;
+       } else {
+               cache->neg_entries++;
+               cache->neg_size += alloc_size;
+       }
 }
 
 void auth_cache_remove(struct auth_cache *cache,