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215 | ------------------------------------------------------------------------------
-- Ada Web Server --
-- --
-- Copyright (C) 2008-2021, AdaCore --
-- --
-- This library 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 library 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. --
-- --
-- As a special exception under Section 7 of GPL version 3, you are --
-- granted additional permissions described in the GCC Runtime Library --
-- Exception, version 3.1, as published by the Free Software Foundation. --
-- --
-- You should have received a copy of the GNU General Public License and --
-- a copy of the GCC Runtime Library Exception along with this program; --
-- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
-- <http://www.gnu.org/licenses/>. --
-- --
-- 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. --
------------------------------------------------------------------------------
with Ada.Exceptions;
with Ada.Streams;
with Ada.Strings.Fixed;
with Ada.Text_IO;
with AWS.Client.HTTP_Utils;
with AWS.Config.Set;
with AWS.Exceptions;
with AWS.Log;
with AWS.Messages;
with AWS.MIME;
with AWS.Net;
with AWS.Parameters;
with AWS.Response;
with AWS.Server.Log;
with AWS.Server.Status;
with AWS.Status;
with AWS.Translator;
with AWS.Utils;
procedure Uplimit is
use Ada;
use Ada.Streams;
use Ada.Text_IO;
use AWS;
function CB (Request : Status.Data) return Response.Data;
HTTP : Server.HTTP;
procedure Start_Server;
procedure Problem
(E : Ada.Exceptions.Exception_Occurrence;
Log : in out AWS.Log.Object;
Error : AWS.Exceptions.Data;
Answer : in out Response.Data);
-- Web exception handler
--------
-- CB --
--------
function CB (Request : Status.Data) return Response.Data is
use type Status.Protocol_State;
URI : constant String := Status.URI (Request);
Buffer : Stream_Element_Array (1 .. 10);
Prev : Stream_Element_Array (1 .. 10) := (others => 0);
Last : Stream_Element_Offset;
Is_H2 : constant Boolean := Status.Protocol (Request) = Status.H2;
Is_Up : constant Boolean := Status.Is_Body_Uploaded (Request);
begin
if URI in "/" | "/noup" then
if URI = "/" then
if not Is_Up then
if Is_H2 or else Status.Parameter (Request, "c") = "y" then
return Response.Continue;
else
AWS.Server.Get_Message_Body;
end if;
end if;
elsif not Is_Up and then Status.Binary_Size (Request) = 0 then
return Response.Build
(MIME.Text_Plain,
Utils.Image (Status.Content_Length (Request))
& " bytes of message body ignored.",
Messages.S413);
end if;
loop
Status.Read_Body (Request, Buffer, Last);
if Buffer (1) = 0
or else (Prev (1) /= 0 and then Buffer /= Prev)
then
return Response.Build
(MIME.Text_Plain,
"Data trasfer error '" & AWS.Translator.To_String (Prev)
& "' '" & AWS.Translator.To_String (Buffer) & '''
& Status.Binary_Size (Request)'Img
& ' ' & Status.Protocol (Request)'Img,
Messages.S500);
end if;
exit when Last < Buffer'Last;
Prev := Buffer;
end loop;
return Response.Build
(MIME.Text_Plain,
URI & " ok server uploaded: "
& Boolean'Image (Status.Is_Body_Uploaded (Request))
& ' ' & Utils.Image (Status.Binary_Size (Request))
& ' ' & Utils.Image (Status.Content_Length (Request))
& ' ' & AWS.Translator.To_String (Prev));
else
Put_Line ("Unknown URI " & URI);
return Response.Build
(MIME.Text_HTML, URI & " not found", Messages.S404);
end if;
end CB;
-------------
-- Problem --
-------------
procedure Problem
(E : Ada.Exceptions.Exception_Occurrence;
Log : in out AWS.Log.Object;
Error : AWS.Exceptions.Data;
Answer : in out Response.Data) is
begin
Put_Line ("!ERROR " & Ada.Exceptions.Exception_Information (E));
Answer := Response.Build
(MIME.Text_HTML,
"Server side exception " & Ada.Exceptions.Exception_Message (E));
end Problem;
------------
-- Server --
------------
procedure Start_Server is
Web_Config : Config.Object;
begin
Config.Set.Server_Port (Web_Config, 0);
Config.Set.Upload_Directory (Web_Config, "./");
Config.Set.Upload_Size_Limit (Web_Config, 11_000);
Config.Set.Max_Connection (Web_Config, 10);
Server.Set_Unexpected_Exception_Handler
(HTTP, Problem'Unrestricted_Access);
-- Server.Log.Start_Error (HTTP, Put_Line'Access, "error");
Server.Start
(HTTP, CB'Unrestricted_Access, Web_Config);
Put_Line ("Server started");
New_Line;
end Start_Server;
-------------
-- Request --
-------------
Client : AWS.Client.HTTP_Connection;
R : Response.Data;
procedure Print is
begin
Put_Line
("=> " & Messages.Status_Line (Response.Status_Code (R))
& ' ' & Response.Message_Body (R));
end Print;
use Ada.Strings.Fixed;
begin
Put_Line ("Start main, wait for server to start...");
Start_Server;
AWS.Client.Create (Client, Server.Status.Local_URL (HTTP));
AWS.Client.Post (Client, R, 1000 * "0123456789", URI => "/noup"); Print;
AWS.Client.Post (Client, R, 1100 * "abcdefghij", URI => "/noup"); Print;
AWS.Client.Post (Client, R, 1200 * "ABCDEFGHIJ", URI => "/noup"); Print;
AWS.Client.Post (Client, R, 1000 * "9876543210"); Print;
AWS.Client.Post (Client, R, 1100 * "qwertyuiop"); Print;
-- AWS.Client.HTTP_Utils.Debug_On := True;
AWS.Client.Post (Client, R, 1200 * "QWERTYUIOP"); Print;
AWS.Client.HTTP_Utils.Debug_On := False;
AWS.Client.Post (Client, R, 1200 * "poiuytrewq", URI => "/?c=y"); Print;
Server.Shutdown (HTTP);
Put_Line ("Server stopped");
exception
when E : others =>
Server.Shutdown (HTTP);
Put_Line ("Main Error " & Ada.Exceptions.Exception_Information (E));
end Uplimit;
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