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------------------------------------------------------------------------------
-- Ada Web Server --
-- --
-- Copyright (C) 2010-2015, AdaCore --
-- --
-- This 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 3, or (at your option) any --
-- later version. This software 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 this software; see file COPYING3. If not, go --
-- to http://www.gnu.org/licenses for a complete copy of the license. --
------------------------------------------------------------------------------
with Ada.Text_IO;
with AWS.Client;
with AWS.Config.Set;
with AWS.Headers;
with AWS.Messages;
with AWS.MIME;
with AWS.Response;
with AWS.Server.Status;
with AWS.Status;
with AWS.Utils;
procedure Cache_Control_Header is
use Ada;
use AWS;
WS : Server.HTTP;
CNF : Config.Object;
function Test_CC (Kind : Messages.Cache_Kind; Value : String) return String;
-- Convert to/from Cache_Data/Cache_Option for testing purpose
function Test_CC
(Kind : Messages.Cache_Kind; Value : String) return String is
begin
return String
(Messages.To_Cache_Option
(Messages.To_Cache_Data
(Kind, Messages.Cache_Option (Value))));
end Test_CC;
--------
-- CB --
--------
function CB (Request : Status.Data) return Response.Data is
RCD : constant Messages.Cache_Data :=
(Messages.Response, No_Cache => True, No_Store => True,
No_Transform => True, S_Max_Age => 12,
Must_Revalidate => True, others => <>);
H : constant Headers.List := Status.Header (Request);
procedure Output (Header : String);
-- Output corresponding header value
------------
-- Output --
------------
procedure Output (Header : String) is
begin
if Headers.Exist (H, Header) then
declare
Value : constant String := Headers.Get (H, Header);
begin
Text_IO.Put_Line
(Header & ": " & Test_CC (Messages.Request, Value));
end;
else
Text_IO.Put_Line (Header & ": NOT FOUND");
end if;
end Output;
begin
Text_IO.Put_Line (">>>>> " & Status.URI (Request));
Output (Messages.Cache_Control_Token);
Text_IO.New_Line;
return Response.Build (MIME.Text_HTML, "ok");
end CB;
R : Response.Data;
H : Headers.List;
RCD : constant Messages.Cache_Data :=
(Messages.Request, No_Cache => True, Max_Stale => 3, others => <>);
begin
Config.Set.Server_Name (CNF, "Cache Control Header");
Config.Set.Server_Host (CNF, "localhost");
Config.Set.Server_Port (CNF, 0);
Server.Start (WS, CB'Unrestricted_Access, CNF);
H.Add
(Messages.Cache_Control_Token, String (Messages.To_Cache_Option (RCD)));
declare
URL : constant String := Server.Status.Local_URL (WS);
begin
R := AWS.Client.Get (URL => URL & "/get", Headers => H);
H.Reset;
H.Add
(Messages.Cache_Control_Token,
String (Messages.To_Cache_Option
((Messages.Request,
Only_If_Cached => True, Min_Fresh => 12, others => <>))));
R := AWS.Client.Head (URL => URL & "/head", Headers => H);
R := AWS.Client.Post (URL => URL & "/post", Data => "", Headers => H);
end;
Text_IO.Put_Line
("Cache Option Header : '"
& Test_CC (Messages.Response, String (Messages.Unspecified)) & ''');
Text_IO.Put_Line
("Cache Option Header : '"
& Test_CC (Messages.Response, String (Messages.No_Cache)) & ''');
Text_IO.Put_Line
("Cache Option Header : '"
& Test_CC (Messages.Response, String (Messages.No_Store)) & ''');
Text_IO.Put_Line
("Cache Option Header : '"
& Test_CC (Messages.Response, String (Messages.Prevent_Cache)) & ''');
Server.Shutdown (WS);
Text_IO.Put_Line ("shutdown");
end Cache_Control_Header;
|
