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|
------------------------------------------------------------------------------
-- Ada Web Server --
-- --
-- Copyright (C) 2004-2012, 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.Streams;
with Ada.Text_IO;
with AWS.Net.Sets;
with AWS.Net.SSL;
with Stack_Size;
procedure Wait_Proc (Security : Boolean) is
use Ada.Exceptions;
use Ada.Streams;
use Ada.Text_IO;
use AWS;
use AWS.Net;
use type Sets.Socket_Count;
Set_Size : constant := 20;
Sample_Size : constant := 10;
Server : Net.Socket_Type'Class := Net.Socket (False);
task Client_Side is
pragma Storage_Size (Stack_Size.Value);
entry Start;
end Client_Side;
-----------------
-- Client_Side --
-----------------
task body Client_Side is
use type Ada.Streams.Stream_Element;
Set : Sets.Socket_Set_Type;
Index : Sets.Socket_Index;
Data : Stream_Element_Array (1 .. Sample_Size);
Sum : Stream_Element := 0;
begin
accept Start;
for J in 1 .. Set_Size loop
declare
Socket : Net.Socket_Type'Class := Net.Socket (Security);
begin
Socket.Set_Timeout (1.0);
Socket.Connect (Server.Get_Addr, Server.Get_Port, Wait => False);
Sets.Add (Set, Socket, Sets.Output);
end;
end loop;
Main : while Sets.Count (Set) > 0 loop
Sets.Wait (Set, 2.0);
Index := 1;
loop
Sets.Next (Set, Index);
exit when not Sets.In_Range (Set, Index);
declare
Socket : Socket_Type'Class := Sets.Get_Socket (Set, Index);
begin
if Sets.Is_Write_Ready (Set, Index) then
Sets.Set_Mode (Set, Index, Sets.Input);
if Security then
SSL.Do_Handshake (SSL.Socket_Type (Socket));
end if;
Index := Index + 1;
elsif Sets.Is_Read_Ready (Set, Index) then
begin
Data := Socket.Receive;
Sum := Sum + Data (Data'First);
Put_Line ("Read");
Index := Index + 1;
exception
when Net.Socket_Error =>
Net.Shutdown (Socket);
Sets.Remove_Socket (Set, Index);
end;
elsif Sets.Is_Error (Set, Index) then
Put_Line ("Socket error" & Integer'Image (Errno (Socket)));
Socket.Shutdown;
Sets.Remove_Socket (Set, Index);
else
Put_Line ("Wait error.");
exit Main;
end if;
end;
end loop;
end loop Main;
Put_Line (Stream_Element'Image (Sum));
exception
when E : others =>
Put_Line ("Client side " & Exception_Information (E));
end Client_Side;
begin
Server.Bind (Host => "localhost", Port => 0);
Server.Listen (Set_Size);
Server.Set_Timeout (1.0);
Client_Side.Start;
for J in 1 .. Set_Size loop
declare
New_Sock : Net.Socket_Type'Class := Net.Socket (Security);
begin
Server.Accept_Socket (New_Socket => New_Sock);
New_Sock.Send ((1 .. Sample_Size => Stream_Element (J)));
delay 0.5;
New_Sock.Shutdown;
end;
end loop;
Server.Shutdown;
exception
when E : others =>
Put_Line ("Server side " & Exception_Information (E));
end Wait_Proc;
|
