Rework adding symbols from lua.

It is now possible to use something like:

rspamd_config.SYMBOL = function(task) ... end

or even

rspamd_config.SYMBOL = 	{
    			callback = function(task) ... end,
			weight = '1.0', --optional
			priority = '0', --optional
			type = 'callback' --optional
			}

2 files changed, 25 insertions, 7 deletions

diff --git a/src/libserver/symbols_cache.c b/src/libserver/symbols_cache.c
index 185b1e105..823af39f5 100644
--- a/src/libserver/symbols_cache.c
+++ b/src/libserver/symbols_cache.c
@@ -281,13 +281,7 @@ create_cache_file (struct symbols_cache *cache,
 	return mmap_cache_file (cache, fd, pool);
 }
 
-enum rspamd_symbol_type {
-	SYMBOL_TYPE_NORMAL,
-	SYMBOL_TYPE_VIRTUAL,
-	SYMBOL_TYPE_CALLBACK
-};
-
-static void
+void
 register_symbol_common (struct symbols_cache **cache,
 	const gchar *name,
 	double weight,
diff --git a/src/libserver/symbols_cache.h b/src/libserver/symbols_cache.h
index 36128460d..fd9da2ef7 100644
--- a/src/libserver/symbols_cache.h
+++ b/src/libserver/symbols_cache.h
@@ -49,6 +49,11 @@ struct cache_item {
 	gdouble metric_weight;
 };
 
+enum rspamd_symbol_type {
+	SYMBOL_TYPE_NORMAL,
+	SYMBOL_TYPE_VIRTUAL,
+	SYMBOL_TYPE_CALLBACK
+};
 
 struct symbols_cache {
 	/* Normal cache items */
@@ -147,6 +152,25 @@ void register_dynamic_symbol (rspamd_mempool_t *pool,
 	GList *networks);
 
 /**
+ * Generic function to register a symbol
+ * @param cache
+ * @param name
+ * @param weight
+ * @param priority
+ * @param func
+ * @param user_data
+ * @param type
+ */
+void
+register_symbol_common (struct symbols_cache **cache,
+	const gchar *name,
+	double weight,
+	gint priority,
+	symbol_func_t func,
+	gpointer user_data,
+	enum rspamd_symbol_type type);
+
+/**
  * Call function for cached symbol using saved callback
  * @param task task object
  * @param cache symbols cache