[Minor] Add a helper method to get the current DNS timeout

diff --git a/src/lua/lua_config.c b/src/lua/lua_config.c
index de438874605885e422da8b3b5aeb5f651d7d0203..c732b67a1be91cf3bdbc7cbb56afd1a5af71994c 100644 (file)
--- a/src/lua/lua_config.c
+++ b/src/lua/lua_config.c
@@ -844,6 +844,13 @@ LUA_FUNCTION_DEF (config, get_tld_path);
  */
 LUA_FUNCTION_DEF (config, get_dns_max_requests);
 
+/***
+ * @method rspamd_config:get_dns_timeout()
+ * Returns timeout for a DNS request
+ * @return {number} DNS timeout in second or 0 if not defined
+ */
+LUA_FUNCTION_DEF (config, get_dns_timeout);
+
 static const struct luaL_reg configlib_m[] = {
        LUA_INTERFACE_DEF (config, get_module_opt),
        LUA_INTERFACE_DEF (config, get_mempool),
@@ -917,6 +924,7 @@ static const struct luaL_reg configlib_m[] = {
        LUA_INTERFACE_DEF (config, init_subsystem),
        LUA_INTERFACE_DEF (config, get_tld_path),
        LUA_INTERFACE_DEF (config, get_dns_max_requests),
+       LUA_INTERFACE_DEF (config, get_dns_timeout),
        {"__tostring", rspamd_lua_class_tostring},
        {"__newindex", lua_config_newindex},
        {NULL, NULL}
@@ -4611,6 +4619,22 @@ lua_config_get_dns_max_requests (lua_State *L)
        return 1;
 }
 
+static gint
+lua_config_get_dns_timeout (lua_State *L)
+{
+       LUA_TRACE_POINT;
+       struct rspamd_config *cfg = lua_check_config (L, 1);
+
+       if (cfg != NULL) {
+               lua_pushnumber (L, cfg->dns_timeout);
+       }
+       else {
+               return luaL_error (L, "invalid arguments");
+       }
+
+       return 1;
+}
+
 static gint
 lua_monitored_alive (lua_State *L)
 {