[Feature] Add map:get_proto lua API method

diff --git a/src/lua/lua_map.c b/src/lua/lua_map.c
index fe8f6a836826842580eb5b76e847d6f9634108ba..1f7ceb194a9017c3a91d73518ffe7ed2c4c815b0 100644 (file)
--- a/src/lua/lua_map.c
+++ b/src/lua/lua_map.c
@@ -47,9 +47,21 @@ LUA_FUNCTION_DEF (map, get_key);
  */
 LUA_FUNCTION_DEF (map, is_signed);
 
+/***
+ * @method map:get_proto()
+ * Returns protocol of map as string:
+ *
+ * - `http`: for HTTP map
+ * - `file`: for file map
+ * - `embedded`: for manually created maps
+ * @return {string} string representation of the map protocol
+ */
+LUA_FUNCTION_DEF (map, get_proto);
+
 static const struct luaL_reg maplib_m[] = {
        LUA_INTERFACE_DEF (map, get_key),
        LUA_INTERFACE_DEF (map, is_signed),
+       LUA_INTERFACE_DEF (map, get_proto),
        {"__tostring", rspamd_lua_class_tostring},
        {NULL, NULL}
 };
@@ -469,6 +481,36 @@ lua_map_is_signed (lua_State *L)
        return 1;
 }
 
+static int
+lua_map_get_proto (lua_State *L)
+{
+       struct rspamd_lua_map *map = lua_check_map (L);
+       const gchar *ret = "undefined";
+
+       if (map != NULL) {
+               if (map->map == NULL) {
+                       ret = "embedded";
+               }
+               else {
+                       switch (map->map->protocol) {
+                       case MAP_PROTO_FILE:
+                               ret = "file";
+                               break;
+                       case MAP_PROTO_HTTP:
+                               ret = "http";
+                               break;
+                       }
+               }
+       }
+       else {
+               return luaL_error (L, "invalid arguments");
+       }
+
+       lua_pushstring (L, ret);
+       return 1;
+}
+
+
 void
 luaopen_map (lua_State * L)
 {