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------------------------------------------------------------------------------
-- Ada Web Server --
-- --
-- Copyright (C) 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.Calendar;
with Ada.Text_IO;
with Ada.Exceptions;
with Ada.Streams;
with AWS.Net.Std;
procedure SendSet is
use AWS;
use Ada;
use Ada.Streams;
use type Calendar.Time;
Max_Client : constant := 20;
Start, Stop : Calendar.Time;
Sample : Stream_Element_Array (1 .. 4_000_000);
Server : Net.Socket_Type'Class := Net.Socket (False);
Peers : Net.Socket_Set (1 .. Max_Client + 1) :=
(others => new Net.Socket_Type'Class'(Net.Socket (False)));
task type Client_Side is
entry Start (Index : Positive);
entry Stop;
end Client_Side;
-----------------
-- Client_Side --
-----------------
task body Client_Side is
First : Stream_Element_Offset := Sample'First;
Client : Net.Socket_Type'Class := Net.Socket (False);
I : Positive;
F : Positive := 1;
begin
accept Start (Index : Positive) do
I := Index;
end Start;
-- Client.Set_Timeout (20.0);
Client.Connect (Server.Get_Addr, Server.Get_Port);
-- if I = 1 then
-- delay 5.0;
-- else
-- F := 4096;
-- end if;
loop
declare
Buffer : Stream_Element_Array :=
Net.Receive
(Client,
Max => Stream_Element_Offset (Sample'Last / 3));
Next : Stream_Element_Offset := First + Buffer'Length;
begin
if Buffer'Length = 0 then
Text_IO.Put_Line ("short data");
elsif Sample (First .. Next - 1) /= Buffer then
Text_IO.Put_Line ("wrong data");
end if;
exit when Next > Sample'Last;
-- if I = 1 and then Next > 2 * (Sample'Last / 3) then
-- delay 2.0;
-- end if;
First := Next;
end;
end loop;
Text_IO.Put_Line ("client task done:" & Positive'Image (I));
Text_IO.Flush;
accept Stop;
Net.Shutdown (Client);
exception
when E : others =>
Text_IO.Put_Line (Exceptions.Exception_Information (E));
accept Stop;
end Client_Side;
Clients : array (1 .. Max_Client) of Client_Side;
begin
for J in Sample'Range loop
Sample (J) := Stream_Element
(J mod Stream_Element_Offset (Stream_Element'Last));
end loop;
Text_IO.Put_Line ("start");
Net.Bind (Server, 0, "roxy");
Net.Listen (Server);
Text_IO.Put_Line ("port: " & Positive'Image (Server.Get_Port));
Server.Accept_Socket (Peers (1).all);
-- Peers (1).Set_Timeout (3.0);
Peers (1).Set_Send_Buffer_Size (Integer (Sample'Last / 3));
for K in Clients'Range loop
Clients (K).Start (K);
end loop;
-- Server.Set_Timeout (2.0);
for K in 2 .. Peers'Last loop
Server.Accept_Socket (Peers (K).all);
-- Peers (K).Set_Timeout (3.0);
-- Peers (K).Set_Send_Buffer_Size (Integer (Sample'Last / 3));
end loop;
Start := Calendar.Clock;
Net.Send (Peers, Sample);
for K in Clients'Range loop
Clients (K).Stop;
end loop;
Stop := Calendar.Clock;
for K in Clients'Range loop
Net.Shutdown (Peers (K).all);
end loop;
Text_IO.Put_Line ("Send timing: " & Duration'Image (Stop - Start));
Net.Shutdown (Server);
Text_IO.Put_Line ("done.");
exception
when E : others =>
Text_IO.Put_Line (Exceptions.Exception_Information (E));
for K in Clients'Range loop
Clients (K).Stop;
end loop;
end SendSet;
|
