(* $Id: netdb.mli 1003 2006-09-24 15:17:15Z gerd $ * ---------------------------------------------------------------------- * *) (* This is an internal interface of ocamlnet! Do not use outside! *) (* This module manages persistent values (often lookup tables). These * values can be stored in external files, or they can be initialized * from string values. *) val read_db : string -> 'a (* Reads the value with the given name, and returns it. This function * does not cache the returned value, and the marshalled string is * deserialized every time the function is called. * * First it is checked whether there was a set_db call, and if so, * this value is unmarshalled and returned. Otherwise, it is checked * whether there is a matching external file (unless file lookup is * disabled), and if so, the file is loaded and unmarshalled. * If neither of the two methods works, the function fails. *) val exists_db : string -> bool (* Checks whether the named value is available, i.e. read_db would * be able to find it *) val set_db : string -> string -> unit (* Sets the persistent value with the given name (1st arg) to the * passed value (2nd arg). The value must be marshalled as string. *) val disable_file_db : unit -> unit (* Disables file lookup. *)