ip_of_node support

[hcoop/zz_old/domtool2-proto.git] / src / domain.sig

(* HCoop Domtool (http://hcoop.sourceforge.net/)
 * Copyright (c) 2006, Adam Chlipala
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 *)

(* Domain-related primitive actions *)

signature DOMAIN = sig

    val isIdent : char -> bool
    val validHost : string -> bool
    val validDomain : string -> bool

    val ip : string Env.arg

    val registerBefore : (string -> unit) -> unit
    val registerAfter : (string -> unit) -> unit
    (* Register handlers to run just before and after entering a domain
     * block. *)

    val currentDomain : unit -> string

    val domainFile : {node : string, name : string} -> TextIO.outstream
    (* Open one of the current domain's configuration files for a particular
     * node. *)

    val dnsMaster : unit -> string option
    (* Name of the node that is the DNS master for the current domain, if there
     * is one *)

    val nodes : string list
    (* Names of all system nodes *)
    val nodeMap : string Ast.StringMap.map
    (* Map node names to IP addresses *)
    val nodeIp : string -> string
    (* Look up a node in nodeMap *)

    val setUser : string -> unit
    val getUser : unit -> string
    (* Name of the UNIX user providing this configuration *)

    val your_domains : unit -> DataStructures.StringSet.set
    (* The domains the current user may configure *)

    val your_users : unit -> DataStructures.StringSet.set
    val your_groups : unit -> DataStructures.StringSet.set
    val your_paths : unit -> DataStructures.StringSet.set
    (* UNIX users, groups, and paths the user may act with *)

    val set_context : OpenSSL.context -> unit
end