[Minor] Add checksum for symbols cache

diff --git a/src/libserver/symbols_cache.c b/src/libserver/symbols_cache.c
index 45aca9d2e6b2106845dad4280a67c7fdd0c997c4..74fcc0698dd02e71a3bd4e0f83f97208c3c06480 100644 (file)
--- a/src/libserver/symbols_cache.c
+++ b/src/libserver/symbols_cache.c
@@ -21,6 +21,7 @@
 #include "cfg_file.h"
 #include "lua/lua_common.h"
 #include "unix-std.h"
+#include "contrib/t1ha/t1ha.h"
 #include <math.h>
 
 #define msg_err_cache(...) rspamd_default_log_function (G_LOG_LEVEL_CRITICAL, \
@@ -68,6 +69,7 @@ struct symbols_cache {
        GList *delayed_deps;
        GList *delayed_conditions;
        rspamd_mempool_t *static_pool;
+       guint64 cksum;
        gdouble total_weight;
        guint used_items;
        gdouble total_freq;
@@ -699,11 +701,6 @@ rspamd_symbols_cache_add_symbol (struct symbols_cache *cache,
         */
        item->cd = rspamd_mempool_alloc0 (cache->static_pool,
                        sizeof (struct counter_data));
-
-       if (name != NULL) {
-               item->symbol = rspamd_mempool_strdup (cache->static_pool, name);
-       }
-
        item->func = func;
        item->user_data = user_data;
        item->priority = priority;
@@ -717,7 +714,21 @@ rspamd_symbols_cache_add_symbol (struct symbols_cache *cache,
        item->id = cache->used_items;
        item->parent = parent;
        cache->used_items ++;
-       msg_debug_cache ("used items: %d, added symbol: %s", cache->used_items, name);
+
+       if (name != NULL) {
+               item->symbol = rspamd_mempool_strdup (cache->static_pool, name);
+               msg_debug_cache ("used items: %d, added symbol: %s, %d",
+                               cache->used_items, name, item->id);
+               cache->cksum = t1ha (item->symbol, strlen (item->symbol),
+                               cache->cksum);
+       }
+       else {
+               msg_debug_cache ("used items: %d, added unnamed symbol: %d",
+                               cache->used_items, item->id);
+               cache->cksum = t1ha (&item->id, sizeof (item->id),
+                               cache->cksum);
+       }
+
        rspamd_set_counter (item, 0);
        g_ptr_array_add (cache->items_by_id, item);
        item->deps = g_ptr_array_new ();
@@ -875,6 +886,7 @@ rspamd_symbols_cache_new (struct rspamd_config *cfg)
        cache->total_freq = 1;
        cache->total_weight = 1.0;
        cache->cfg = cfg;
+       cache->cksum = 0xdeadbabe;
 
        return cache;
 }