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
  47     val setUser : string -> unit
  48     val getUser : unit -> string
  49     (* Name of the UNIX user providing this configuration *)
  50
  51     val your_domains : unit -> DataStructures.StringSet.set
  52     (* The domains the current user may configure *)
  53 end