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-----------------------------------------------------------------------------
-- --
-- ADASOCKETS COMPONENTS --
-- --
-- S O C K E T S . N A M I N G --
-- --
-- S p e c --
-- --
-- $ReleaseVersion: 0.1.3 $ --
-- --
-- Copyright (C) 1996-1998 Free Software Foundation --
-- --
-- AdaSockets is free software; you can redistribute it and/or modify --
-- it under terms of the GNU General Public License as published by --
-- the Free Software Foundation; either version 2, or (at your option) --
-- any later version. AdaSockets 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 distributed --
-- with AdaSockets; see file COPYING. If not, write to the Free --
-- Software Foundation, 59 Temple Place - Suite 330, Boston, MA --
-- 02111-1307, USA. --
-- --
-- As a special exception, if other files instantiate generics from --
-- this unit, or you link this unit with other files to produce an --
-- executable, this unit does not by itself cause the resulting --
-- executable to be covered by the GNU General Public License. This --
-- exception does not however invalidate any other reasons why the --
-- executable file might be covered by the GNU Public License. --
-- --
-- The main repository for this software is located at: --
-- http://www-inf.enst.fr/ANC/ --
-- --
-----------------------------------------------------------------------------
with Ada.Finalization;
with Sockets.Thin;
package Sockets.Naming is
type String_Access is access String;
type String_Array is array (Positive range <>) of String_Access;
subtype Address_Component is Natural range 0 .. 255;
type Address is record
H1, H2, H3, H4 : Address_Component;
end record;
-- An IPv4 address such as 137.194.160.12
type Address_Array is array (Positive range <>) of Address;
type Host_Entry (N_Aliases, N_Addresses : Natural) is
new Ada.Finalization.Controlled with record
Name : String_Access;
Aliases : String_Array (1 .. N_Aliases);
Addresses : Address_Array (1 .. N_Addresses);
end record;
-- A complete host structure. A host may have several IP addresses as
-- well as several aliases.
procedure Adjust (Object : in out Host_Entry);
procedure Finalize (Object : in out Host_Entry);
Naming_Error : exception;
-- This exception is raised when a name cannot be resolved
function Image (Add : Address) return String;
-- The dotted form corresponding to an IP address
function Image (Add : Thin.In_Addr) return String;
-- The dotted form corresponding to the packed form of an IP address
function Value (Add : String) return Address;
-- The IP address corresponding to a dotted form
function Info_Of (Name : String)
return Host_Entry;
-- Host entry of an IP name
function Info_Of (Addr : Address)
return Host_Entry;
-- Host entry of an IP address
function Is_IP_Address (Something : String)
return Boolean;
-- Return True if the name looks like an IP address, False otherwise
function Info_Of_Name_Or_IP (Something : String)
return Host_Entry;
-- Host entry of an IP name or a dotted form
function Address_Of (Something : String) return Address;
-- Address of an IP name or a dotted form
function Host_Name return String;
-- Return the name of the current host
function Name_Of (Something : String) return String;
-- Return the official name of an IP name or a dotted form
function To_In_Addr (Addr : Address) return Thin.In_Addr;
-- Convert an IP address to a In_Addr structure
function To_Address (Addr : Thin.In_Addr) return Address;
-- Convert a In_Addr structure to an IP address
function Any_Address return Address;
-- Return the value of inaddr_any
end Sockets.Naming;
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