commit eb6f4e3: [Minor] Lua_config: Add get_group_symbols method

[Vsevolod Stakhov]

Author: Vsevolod Stakhov
Date: 2019-06-14 14:41:58 +0100
URL: https://github.com/rspamd/rspamd/commit/eb6f4e38d80f53bdc9f0d4baa8210218b975aeaf

[Minor] Lua_config: Add get_group_symbols method

---
 src/libserver/rspamd_symcache.c |  1 +
 src/lua/lua_config.c            | 47 +++++++++++++++++++++++++++++++++++++++++
 2 files changed, 48 insertions(+)

diff --git a/src/libserver/rspamd_symcache.c b/src/libserver/rspamd_symcache.c
index 767ecc2c9..deb1cfadd 100644
--- a/src/libserver/rspamd_symcache.c
+++ b/src/libserver/rspamd_symcache.c
@@ -3224,6 +3224,7 @@ rspamd_symcache_process_settings_elt (struct rspamd_symcache *cache,
 			}
 		}
 	}
+
 	if (elt->symbols_enabled) {
 		iter = NULL;
 
diff --git a/src/lua/lua_config.c b/src/lua/lua_config.c
index f2e9abd01..e54ecce42 100644
--- a/src/lua/lua_config.c
+++ b/src/lua/lua_config.c
@@ -444,6 +444,15 @@ LUA_FUNCTION_DEF (config, disable_symbol);
  */
 LUA_FUNCTION_DEF (config, get_symbol_parent);
 
+/***
+ * @method rspamd_config:get_group_symbols(group)
+ * Returns list of symbols for a specific group
+ * @param {string} group group's name
+ * @available 2.0+
+ * @return {list|string} list of all symbols in a specific group
+ */
+LUA_FUNCTION_DEF (config, get_group_symbols);
+
 /***
  * @method rspamd_config:__newindex(name, callback)
  * This metamethod is called if new indicies are added to the `rspamd_config` object.
@@ -821,6 +830,7 @@ static const struct luaL_reg configlib_m[] = {
 	LUA_INTERFACE_DEF (config, set_symbol_callback),
 	LUA_INTERFACE_DEF (config, get_symbol_stat),
 	LUA_INTERFACE_DEF (config, get_symbol_parent),
+	LUA_INTERFACE_DEF (config, get_group_symbols),
 	LUA_INTERFACE_DEF (config, register_finish_script),
 	LUA_INTERFACE_DEF (config, register_monitored),
 	LUA_INTERFACE_DEF (config, add_doc),
@@ -3244,6 +3254,43 @@ lua_config_get_symbol_parent (lua_State *L)
 	return 1;
 }
 
+static gint
+lua_config_get_group_symbols (lua_State *L)
+{
+	LUA_TRACE_POINT;
+	struct rspamd_config *cfg = lua_check_config (L, 1);
+	const gchar *gr_name = luaL_checkstring (L, 2);
+
+	if (cfg != NULL && gr_name != NULL) {
+		struct rspamd_symbols_group *group;
+
+		group = g_hash_table_lookup (cfg->groups, gr_name);
+
+		if (group == NULL) {
+			lua_pushnil (L);
+		}
+		else {
+			guint i = 1;
+			gpointer k, v;
+			GHashTableIter it;
+
+			lua_createtable (L, g_hash_table_size (group->symbols), 0);
+			g_hash_table_iter_init (&it, group->symbols);
+
+			while (g_hash_table_iter_next (&it, &k, &v)) {
+				lua_pushstring (L, k);
+				lua_rawseti (L, -1, i);
+				i ++;
+			}
+		}
+	}
+	else {
+		return luaL_error (L, "invalid arguments");
+	}
+
+	return 1;
+}
+
 static gint
 lua_config_register_finish_script (lua_State *L)
 {