Better DNS slave handling
[hcoop/domtool2.git] / src / domain.sig
1 (* HCoop Domtool (http://hcoop.sourceforge.net/)
2 * Copyright (c) 2006, Adam Chlipala
3 *
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License
6 * as published by the Free Software Foundation; either version 2
7 * of the License, or (at your option) any later version.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
17 *)
18
19 (* Domain-related primitive actions *)
20
21 signature DOMAIN = sig
22
23 val isIdent : char -> bool
24 val validHost : string -> bool
25 val validDomain : string -> bool
26
27 val registerBefore : (string -> unit) -> unit
28 val registerAfter : (string -> unit) -> unit
29 (* Register handlers to run just before and after entering a domain
30 * block. *)
31
32 val currentDomain : unit -> string
33
34 val domainFile : {node : string, name : string} -> TextIO.outstream
35 (* Open one of the current domain's configuration files for a particular
36 * node. *)
37
38 val dnsMaster : unit -> string option
39 (* Name of the node that is the DNS master for the current domain, if there
40 * is one *)
41
42 val nodes : string list
43 (* Names of all system nodes *)
44 val nodeMap : string Ast.StringMap.map
45 (* Map node names to IP addresses *)
46 end