[Minor] Allow to disable learn cache

diff --git a/src/libstat/stat_config.c b/src/libstat/stat_config.c
index 904be726d61b57069321ef6303b7b3af73e909b7..9d1e57f13ff3b919f13c96c99f8614805c33b857 100644 (file)
--- a/src/libstat/stat_config.c
+++ b/src/libstat/stat_config.c
@@ -105,6 +105,7 @@ rspamd_stat_init (struct rspamd_config *cfg, struct event_base *ev_base)
        const gchar *cache_name = NULL;
        lua_State *L = cfg->lua_state;
        guint lua_classifiers_cnt = 0, i;
+       gboolean skip_cache = FALSE;
 
        if (stat_ctx == NULL) {
                stat_ctx = g_malloc0 (sizeof (*stat_ctx));
@@ -217,17 +218,22 @@ rspamd_stat_init (struct rspamd_config *cfg, struct event_base *ev_base)
                        cache_obj = ucl_object_lookup (clf->opts, "cache");
                        cache_name_obj = NULL;
 
-                       if (cache_obj) {
-                               cache_name_obj = ucl_object_lookup_any (cache_obj,
-                                               "name", "type", NULL);
+                       if (cache_obj && ucl_object_type (cache_obj) == UCL_NULL) {
+                               skip_cache = TRUE;
                        }
+                       else {
+                               if (cache_obj) {
+                                       cache_name_obj = ucl_object_lookup_any (cache_obj,
+                                                       "name", "type", NULL);
+                               }
 
-                       if (cache_name_obj) {
-                               cache_name = ucl_object_tostring (cache_name_obj);
+                               if (cache_name_obj) {
+                                       cache_name = ucl_object_tostring (cache_name_obj);
+                               }
                        }
                }
 
-               if (cache_name == NULL) {
+               if (cache_name == NULL && !skip_cache) {
                        /* We assume that learn cache is the same as backend */
                        cache_name = clf->backend;
                }
@@ -252,7 +258,7 @@ rspamd_stat_init (struct rspamd_config *cfg, struct event_base *ev_base)
                        }
 
                        /* XXX: bad hack to pass statfiles configuration to cache */
-                       if (cl->cache == NULL) {
+                       if (cl->cache == NULL && !skip_cache) {
                                cl->cache = rspamd_stat_get_cache (cache_name);
                                g_assert (cl->cache != NULL);
                                cl->cachecf = cl->cache->init (stat_ctx, cfg, st, cache_obj);