File : adagio-library-tasks.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 --
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------------------------------------------------------------------------------
-- $Id: adagio-library-tasks.adb,v 1.8 2004/01/21 21:05:28 Jano Exp $
with Adagio.File;
with Adagio.Globals.Options;
with Adagio.Hash;
with Adagio.Misc;
with Adagio.Statistics;
with Adagio.Statistics.Strings;
with Adagio.Test;
with Adagio.Trace;
with Sha1;
with TigerTree;
with Acf.Hash.Message_digests;
with Acf.Types;
with Ada.Real_time; use Ada.Real_time;
package body Adagio.Library.Tasks is
Stat_current_hash : constant String := "Library - Currently hashing";
task body Folder_maintenance is
use Real_time;
P: Real_time.Time_span;
Next_start : Real_time.Time:= Real_time.Clock;
Last_save : Real_time.Time := Real_time.Clock;
Save_interval : Time_span := To_time_span (
Globals.Options.Library_AutosaveInterval);
begin
-- Delayed start
select
accept Start(Period: Duration) do
P:= Real_time.To_time_span(Period);
end Start;
or
terminate;
end select;
-- Check a folder each time
Globals.Hash_throttle.Start_work;
Main: while not Globals.Requested_exit loop
begin
delay until Next_start;
Library.Object.Process_pending_folder;
Next_start:= Real_time.Clock + P;
Globals.Hash_throttle.Cycle_work;
if Clock - Last_save > Save_interval then
Last_save := Clock;
Library.Object.Save;
end if;
exception
when E: others =>
Trace.Log
("Folder maintenance [main loop]: " & Trace.Report(E),
Trace.Error);
end;
end loop Main;
Trace.Log("Folder maintenance exited");
end Folder_maintenance;
task body File_maintenance is
P : Real_time.Time_span;
Next_start : Real_time.Time:= Real_time.Clock;
Hash_speed : Hash.Hash_speeds := Hash.Hash_speeds'Value (S (
Globals.Options.Library_HashSpeed));
begin
-- Delayed start
select
accept Start(Period: Duration) do
P:= Real_time.To_time_span(Period);
end Start;
or
terminate;
end select;
-- Get a file, hash it
Main: while not Globals.Requested_exit loop
begin
Hashing: loop
declare
use type File.Object;
F : File.Object;
Start : Time:= Clock;
begin
Library.Object.Get_pending_file (F);
if F = File.Null_file then
Statistics.Object.Set (
Stat_current_hash,
Statistics.Strings.Create ("None"));
end if;
exit Hashing when
F = File.Null_file or else
Globals.Requested_exit;
-- Hash it!
Trace.Log("Starting hashing of: " & File.Path (F),
Trace.Informative);
Statistics.Object.Set (
Stat_current_hash,
Statistics.Strings.Create (File.Name (F)));
File.Compute_hashes (F, Hash_speed);
-- Add to library as finished:
File.Refresh (F);
Library.Object.Add_file (F);
Trace.Log ("Last hash: Time: " &
Misc.Image (To_duration (Clock - Start)) & "; Speed: " &
Misc.To_string (Float (File.Size (F)) /
Float (To_duration (Clock - Start)) / 1024.0) &
" kB/s", Trace.Informative);
Trace.Log ("bitprint: " &
Sha1.To_base32 (File.Sha (F)) & "." &
TigerTree.To_base32 (File.TTH (F)), Trace.Informative);
Trace.Log ("ed2k: " &
Acf.Hash.Message_digests.To_hex_string (
File.Ed2k (F),
Acf.Types.Lower_case), Trace.Informative);
exception
when E: others =>
Trace.Log("File maintenance [hashing " & File.Path (F) &
"]: " & Trace.Report(E));
end;
end loop Hashing;
delay until Next_start;
Next_start:= Next_start + P;
exception
when E: others =>
Trace.Log ("File maintenance [main loop]: " & Trace.Report(E),
Trace.Error);
end;
end loop Main;
Trace.Log("File maintenance exited");
end File_maintenance;
task Status;
task body Status is
begin
loop
for N in 1 .. 25 loop
exit when Globals.Requested_exit;
delay 1.0;
end loop;
exit when Globals.Requested_exit;
Trace.Log ("***** Library status report *****");
Trace.Log ("***** Files:" & Object.Num_files'Img);
Trace.Log ("***** Size: " & Object.Size_files'Img & " kB");
Trace.Log ("***** QRP: " &
Misc.To_string (Object.Get_QRP_Ratio * 100.0, 5) & "%");
Trace.Log ("*********************************");
end loop;
end Status;
task body Folder_refresh is
begin
loop
for N in 1 .. 5 * 60 loop
exit when Globals.Requested_exit;
delay 1.0;
end loop;
exit when Globals.Requested_exit;
Library.Object.Refresh_folders;
end loop;
end Folder_refresh;
end Adagio.Library.Tasks;