File : adagio-g2-core-sender_udp.adb
------------------------------------------------------------------------------
-- ADAGIO - ADALID - AENEA. --
-- --
-- Copyright (C) 2003 --
-- A. Mosteo. --
-- --
-- Authors: A. Mosteo. (adagio@mosteo.com) --
-- --
-- If you have any questions in regard to this software, please address --
-- them to the above email. --
-- --
-- This program 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 program 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. --
-- --
-- You are not allowed to use any part of this code to develop a program --
-- whose output would be used to harass or prosecute other users of the --
-- networks Adagio connects with. All data collected with Adagio or a tool --
-- containing Adagio code about other network users must remain --
-- confidential and cannot be made public by any mean, nor be used to --
-- harass or legally prosecute these users. --
------------------------------------------------------------------------------
-- $Id: adagio-g2-core-sender_udp.adb,v 1.7 2004/01/21 21:05:26 Jano Exp $
separate (Adagio.G2.Core)
task body Sender_udp is
Net : Network_access;
Latency : Duration;
------------
-- To_udp --
------------
procedure To_udp (
Network : in Network_access;
I : in Packet.Queue.Item_type) is
Dummy : Packet.Queue.Item_type;
begin
-- Remove the peeked packet
Net.Outbound.Get (Dummy);
-- Here it goes!
G2.Transceiver.Send (Network.Transceiver.all, I);
Trace.Log (" --> UDP/" & Socket.Image (
I.Udp_destination) & " " &
Packet.To_hex (I.Packet) & " (Latency:" &
Duration'Image (Latency) & ") (Size:" &
Packet.Full_length (I.Packet)'Img & ")",
File => S (Logfile));
exception
when others =>
raise;
end To_udp;
begin
-- Wait for start
select
accept Start (Network : in Network_access) do
Net := Network;
end;
or
terminate;
end select;
-- Forever loop
while not Globals.Requested_exit loop
declare
Empty_item : Packet.Queue.Item_type;
Item : Packet.Queue.Item_type;
Success : Boolean;
use type Packet.Object;
use type Packet.Queue.Source_type;
begin
Item := Empty_item;
delay Globals.Options.G2_SendPeriod;
-- UDP PACKETS
-- Get an UDP packet and dispatch it:
Net.Outbound.Peek (Item, Success);
if Success then
if Item.In_response_to /= Packet.Null_packet then
Latency := Calendar.Clock -
Packet.Arrival_time (Item.In_response_to);
else
Latency := Calendar.Clock -
Packet.Arrival_time (Item.Packet);
end if;
case Item.Source is
when Packet.Queue.Server =>
Raise_exception (Constraint_error'Identity,
"Unexpected TCP packet in UDP queue");
when Packet.Queue.Listener_udp =>
To_udp (Net, Item);
when others =>
raise Unimplemented;
end case;
end if;
exception
when E : others =>
Trace.Log (
"G2.Core.Sender_udp: " & Trace.Report (E),
Trace.Error);
end;
end loop;
Trace.Log ("G2.Core.Sender_udp exited", Trace.Informative);
end Sender_udp;