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------------------------------------------------------------------------------
-- Ada Web Server --
-- --
-- Copyright (C) 2000-2001 --
-- ACT-Europe --
-- --
-- This library is free software; you can redistribute it and/or modify --
-- it under the terms of the GNU General Public License as published by --
-- the Free Software Foundation; either version 2 of the License, 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. See the GNU --
-- General Public License for more details. --
-- --
-- You should have received a copy of the GNU General Public License --
-- along with this library; if not, write to the Free Software Foundation, --
-- Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. --
-- --
------------------------------------------------------------------------------
-- Com_1 and Com_2 are two demos programs which are using the AWS
-- communication protocol. You must first launch Com_1 then Com_2.
--
-- Let's say that you will launch com_1 on computer1 and com_2 on
-- computer2. Then the commands to launch the demo are:
--
-- on computer1:
-- $ com_1 computer2
--
-- on computer2:
-- $ com_2 computer1
--
with Ada.Command_Line;
with Ada.Strings.Unbounded;
with Ada.Text_IO;
with AWS.Communication.Client;
with AWS.Communication.Server;
with AWS.Response;
with AWS.Utils;
procedure Com_1 is
use Ada;
use Ada.Strings.Unbounded;
use AWS;
type String_Access is access all String;
N : Natural := 0;
Wait : Boolean := True;
Last_Message_Received : Boolean := False;
function Receive
(Server : in String;
Message : in String;
State : in String_Access;
Parameters : in Communication.Parameter_Set
:= Communication.Null_Parameter_Set)
return Response.Data;
-- Communication callback.
-------------
-- Receive --
-------------
function Receive
(Server : in String;
Message : in String;
State : in String_Access;
Parameters : in Communication.Parameter_Set
:= Communication.Null_Parameter_Set)
return Response.Data is
begin
Wait := False;
Text_IO.Put_Line ("Server " & Server
& " send me the message " & Message);
Text_IO.Put_Line ("State " & State.all);
for K in Parameters'Range loop
Text_IO.Put_Line (" P" & Utils.Image (K) & " = "
& To_String (Parameters (K)));
end loop;
Text_IO.New_Line;
N := N + 1;
if N = 10 then
Last_Message_Received := True;
end if;
return Response.Build ("text/html", "Ans [" & Utils.Image (N) & ']');
end Receive;
Name : aliased String := "com_1, local server1";
package Local_Server is
new Communication.Server (String, String_Access, Receive);
Answer : Response.Data;
begin
if Command_Line.Argument_Count = 0 then
Text_IO.Put_Line ("Usage: com_1 <computer>");
return;
end if;
Local_Server.Start (1234, Name'Access);
-- Wait for com_2 to become active
while Wait loop
delay 1.0;
end loop;
-- Send some messages
for K in 1 .. 10 loop
Answer := Communication.Client.Send_Message
(Command_Line.Argument (1), 3456, "mes_1." & Utils.Image (K),
Communication.Parameters ("param1." & Utils.Image (K),
"param2." & Utils.Image (K)));
Text_IO.Put_Line ("< reply " & Response.Message_Body (Answer));
end loop;
-- Exit when last message received
loop
exit when Last_Message_Received;
delay 1.0;
end loop;
Local_Server.Shutdown;
end Com_1;
|
