File : adagio-upload-active_clients.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. --
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-- 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. --
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-- 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. --
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-- You are not allowed to use any part of this code to develop a program --
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------------------------------------------------------------------------------
-- $Id: adagio-upload-active_clients.adb,v 1.3 2004/01/21 21:05:49 Jano Exp $
package body Adagio.Upload.Active_clients is
function Less (L, R : Active_client) return Boolean is
begin
return S (L.Queue_id) < S (R.Queue_id);
end Less;
function Same (L, R : Active_client) return Boolean is
begin
return S (L.Queue_id) = S (R.Queue_id);
end Same;
use Active_client_list;
protected body List is
function Count (Client_id : in String) return Natural is
Pos : Iterator_type := First (Uploads);
Num : Natural := 0;
begin
while Pos /= Back (Uploads) loop
if S (Element (Pos).Id) = Client_id then
Num := Num + 1;
end if;
Pos := Succ (Pos);
end loop;
return Num;
end Count;
-- Add an upload if the clients is present less than times:
procedure Add (
This : in Active_client; Max : in Natural; Success : out Boolean) is
begin
if Contains (S (This.Queue_id)) then
Success := false;
elsif Count (S (This.Id)) < Max then
Success := true;
Insert (Uploads, This);
else
Success := false;
end if;
end Add;
-- Remove if present
procedure Remove (This : in Active_client) is
begin
Delete (Uploads, This);
end Remove;
function Contains (Queue_id : in String) return Boolean is
Pos : Iterator_type := First (Uploads);
begin
while Pos /= Back (Uploads) loop
if S (Element (Pos).Queue_Id) = Queue_id then
return true;
end if;
Pos := Succ (Pos);
end loop;
return false;
end Contains;
end List;
end Adagio.Upload.Active_clients;