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209 | ------------------------------------------------------------------------------
-- Ada Web Server --
-- --
-- Copyright (C) 2005-2012, 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.Exceptions;
with Ada.Tags;
with Ada.Text_IO;
with Ada.Unchecked_Deallocation;
with AWS.Net.Acceptors;
with AWS.Net.SSL;
with AWS.Net.Buffered;
with AWS.Utils;
with Stack_Size;
procedure Accs_Proc (Security : Boolean) is
use type Ada.Tags.Tag;
use AWS.Net;
Client_Request_Count : constant := 10;
Acceptor : Acceptors.Acceptor_Type;
Counter : AWS.Utils.Counter (0);
Semaphore : AWS.Utils.Semaphore;
task type Server_Task is
pragma Storage_Size (Stack_Size.Value);
end Server_Task;
task type Client_Task is
pragma Storage_Size (Stack_Size.Value);
entry Start (Index : Positive);
end Client_Task;
-----------------
-- Client_Task --
-----------------
task body Client_Task is
Sock : Socket_Type'Class := Socket (Security);
Index : Positive;
Prefix : constant String := "index";
Connected : Boolean := False;
begin
accept Start (Index : Positive) do
Client_Task.Index := Index;
end Start;
declare
AS : constant Socket_Type'Class := Acceptors.Server_Socket (Acceptor);
begin
Connect (Sock, Localhost (AS.Is_IPv6), AS.Get_Port);
end;
Connected := True;
Set_Timeout (Sock, 6.0);
for J in 1 .. Client_Request_Count loop
Buffered.Put_Line
(Sock, Prefix & Positive'Image (Index) & Positive'Image (J));
Buffered.Flush (Sock);
declare
Response : constant String := Buffered.Get_Line (Sock);
begin
if Response /= '(' & Prefix & Positive'Image (Index)
& Positive'Image (J) & ')'
then
Ada.Text_IO.Put_Line ("Error " & Response);
end if;
end;
end loop;
Shutdown (Sock);
Ada.Text_IO.Put_Line ("Client gone.");
exception
when E : others =>
Ada.Text_IO.Put_Line
("Client " & Ada.Exceptions.Exception_Information (E));
if Connected then
Shutdown (Sock);
end if;
end Client_Task;
-----------------
-- Server_Task --
-----------------
task body Server_Task is
Sock : Socket_Access;
begin
loop
begin
Semaphore.Seize;
Acceptors.Get (Acceptor, Sock);
Semaphore.Release;
exception
when Socket_Error =>
Semaphore.Release;
Ada.Text_IO.Put_Line ("Acceptor closed.");
exit;
when others =>
Semaphore.Release;
raise;
end;
if Security and then not (Sock'Tag = SSL.Socket_Type'Tag) then
declare
procedure Free is new Ada.Unchecked_Deallocation
(Socket_Type'Class, Socket_Access);
Tmp : Socket_Access := Sock;
begin
Sock := new SSL.Socket_Type'(SSL.Secure_Server (Sock.all));
Free (Tmp);
end;
end if;
Set_Timeout (Sock.all, 4.0);
begin
Buffered.Put_Line
(Sock.all, '(' & Buffered.Get_Line (Sock.all) & ')');
Buffered.Flush (Sock.all);
Counter.Increment;
Acceptors.Give_Back (Acceptor, Sock);
exception when Socket_Error =>
Shutdown (Sock.all);
Free (Sock);
end;
end loop;
exception
when E : others =>
Ada.Text_IO.Put_Line (Ada.Exceptions.Exception_Information (E));
end Server_Task;
Clients : array (1 .. 7) of Client_Task;
begin
Semaphore.Seize;
Acceptors.Listen (Acceptor, "", 0, 11);
declare
Servers : array (1 .. 3) of Server_Task;
begin
Semaphore.Release;
for J in Clients'Range loop
Clients (J).Start (J);
end loop;
for J in Clients'Range loop
while not Clients (J)'Terminated loop
delay 0.25;
end loop;
end loop;
Acceptors.Shutdown (Acceptor);
-- Wait for servers termination only for console output ordering
for J in Servers'Range loop
while not Servers (J)'Terminated loop
delay 0.25;
end loop;
end loop;
if Counter.Value = Client_Request_Count * Clients'Length then
Ada.Text_IO.Put_Line ("Done.");
else
Ada.Text_IO.Put_Line
("Regression" & Integer'Image (Counter.Value)
& " /=" & Integer'Image (Client_Request_Count)
& " *" & Integer'Image (Clients'Length));
end if;
end;
exception
when E : others =>
Ada.Text_IO.Put_Line
("Main task " & Ada.Exceptions.Exception_Information (E));
end Accs_Proc;
|