src/lib/Bcd/Bots/Manager.pm

   1 package Bcd::Bots::Manager;
   2
   3 # This file is part of the breadcrumbs daemon (bcd).
   4 # Copyright (C) 2007 Pasqualino Ferrentino
   5
   6 # This program is free software; you can redistribute it and/or modify
   7 # it under the terms of the GNU General Public License as published by
   8 # the Free Software Foundation; either version 2 of the License, or
   9 # (at your option) any later version.
  10
  11 # This program is distributed in the hope that it will be useful, but
  12 # WITHOUT ANY WARRANTY; without even the implied warranty of
  13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 # GNU General Public License for more details.
  15
  16 # You should have received a copy of the GNU General Public License
  17 # along with this program; if not, write to the Free Software
  18 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  19 # 02110-1301, USA.
  20
  21 # Contact: lino.ferrentino@yahoo.it (in Italian, English or German).
  22
  23 #this is the Manager of the bots... It has a main thread of execution,
  24 #when started using the model
  25
  26 use strict;
  27 use warnings;
  28
  29 use Bcd::Data::StatementsStash;
  30 use Bcd::Bots::NewAntNestsBot;
  31 use Bcd::Bots::TrustBot;
  32
  33 use constant {
  34     MANAGER_THREAD_CYCLE => 2,
  35 };
  36
  37
  38 sub run{
  39     my $server = shift;
  40
  41     #ok, now I have the connection, then I will have the stash
  42     #HACK, HACK, I init the cache here...
  43     my $stash = Bcd::Data::StatementsStash->new($server, 1);
  44     my $test = $server->{test};
  45
  46     my @bots = ();
  47
  48     my $bot = Bcd::Bots::NewAntNestsBot->new($server);
  49
  50     my $bot_info = {
  51         bot           => $bot,
  52         seconds_to_go => $bot->get_frequency(),
  53         is_running    => 0,
  54     };
  55
  56     push(@bots, $bot_info);
  57
  58     $bot = Bcd::Bots::TrustBot->new();
  59
  60     my $bot_info2 = {
  61         bot           => $bot,
  62         seconds_to_go => $bot->get_frequency(),
  63         is_running    => 0,
  64     };
  65
  66     push(@bots, $bot_info2);
  67
  68
  69     while (1){
  70
  71
  72         my $num_bots = scalar(@bots);
  73         #now, I should have the possibility to run the bot
  74         for (@bots){
  75
  76             sleep(MANAGER_THREAD_CYCLE);
  77
  78             #this bot can be running or not.
  79             if ( $_->{is_running} == 1){
  80                 my ($rules, $cycle_finished ) = $_->{bot}->go($stash);
  81                 if ($cycle_finished == 1){
  82                     #ok, this bot has finished, wait for another epoch
  83                     $_->{is_running} = 0;
  84                     $_->{seconds_to_go} = $_->{bot}->get_frequency();
  85                 }
  86                 next;
  87             }
  88
  89             #not running...
  90             #this is not very precise, but I don't need here precision...
  91             $_->{seconds_to_go} -= MANAGER_THREAD_CYCLE * $num_bots;
  92
  93             if ($_->{seconds_to_go} <= 0){
  94                 #ok, let's awake this bot
  95                 if ($_->{bot}->awake($stash) == 1){
  96                     #this bot starts a new cycle
  97                     $_->{is_running} = 1;
  98                 } else {
  99                     #wait for another epoch
 100                     $_->{seconds_to_go} = $_->{bot}->get_frequency();
 101                 }
 102             }
 103
 104         }
 105
 106     }
 107 }
 108
 109 1;