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  1. /*
  2.  *
  3.  *  Copyright (C) 2010  Mattias Runge
  4.  *
  5.  *  This program is free software; you can redistribute it and/or modify
  6.  *  it under the terms of the GNU General Public License as published by
  7.  *  the Free Software Foundation; either version 2 of the License, or
  8.  *  (at your option) any later version.
  9.  *
  10.  *  This program is distributed in the hope that it will be useful,
  11.  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  12.  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13.  *  GNU General Public License for more details.
  14.  *
  15.  *  You should have received a copy of the GNU General Public License along
  16.  *  with this program; if not, write to the Free Software Foundation, Inc.,
  17.  *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18.  *
  19.  */
  20.  
  21. #include "Manager.h"
  22.  
  23. namespace atom {
  24. namespace timer {
  25.  
  26. Manager::Pointer Manager::instance_ = Manager::Pointer(new Manager());
  27.  
  28. Manager::Manager() : io_service_work_(io_service_)
  29. {
  30.     boost::thread thread(boost::bind(&boost::asio::io_service::run, &this->io_service_));
  31.     this->thread_ = thread.move();
  32. }
  33.  
  34. Manager::~Manager()
  35. {
  36.     this->mutex_timers_.lock();
  37.     this->timers_.clear();
  38.     this->mutex_timers_.unlock();
  39.    
  40.     this->thread_.interrupt();
  41.     this->thread_.join();
  42. }
  43.  
  44. Manager::Pointer Manager::Instance()
  45. {
  46.     return Manager::instance_;
  47. }
  48.  
  49. void Manager::Delete()
  50. {
  51.     Manager::instance_.reset();
  52. }
  53.  
  54. void Manager::ConnectSlots(const SignalOnTimeout::slot_type& slot_on_timeout)
  55. {
  56.     this->signal_on_timeout_.connect(slot_on_timeout);
  57. }
  58.  
  59. void Manager::SlotOnTimeout(TimerId id)
  60. {
  61.     this->mutex_timers_.lock();
  62.    
  63.     TimerList::iterator it = this->timers_.find(id);
  64.    
  65.     if (it != this->timers_.end())
  66.     {
  67.         if (!it->second->GetRepeat())
  68.         {
  69.             this->timers_.erase(id);
  70.         }
  71.     }
  72.    
  73.     this->mutex_timers_.unlock();
  74.    
  75.     this->signal_on_timeout_(id);
  76. }
  77.  
  78. TimerId Manager::Set(unsigned int timeout, bool repeat)
  79. {
  80.     this->mutex_timers_.lock();
  81.    
  82.     Timer::Pointer timer = Timer::Pointer(new Timer(this->io_service_, this->GetFreeId(), timeout, repeat));
  83.  
  84.     this->timers_[timer->GetId()] = timer;
  85.    
  86.     this->mutex_timers_.unlock();
  87.    
  88.     timer->ConnectSlots(Timer::SignalOnTimeout::slot_type(&Manager::SlotOnTimeout, this, _1).track(Manager::instance_));
  89.    
  90.     timer->Start();
  91.    
  92.     return timer->GetId();
  93. }
  94.  
  95. void Manager::Cancel(TimerId id)
  96. {
  97.     this->io_service_.post(boost::bind(&Manager::CancelHandler, this, id));
  98. }
  99.  
  100. void Manager::CancelHandler(TimerId id)
  101. {
  102.     this->mutex_timers_.lock();
  103.    
  104.     TimerList::iterator it = this->timers_.find(id);
  105.    
  106.     if (it != this->timers_.end())
  107.     {
  108.         it->second->Cancel();
  109.     }
  110.    
  111.     this->mutex_timers_.unlock();
  112. }
  113.  
  114. TimerId Manager::GetFreeId()
  115. {
  116.     TimerId id = 1;
  117.        
  118.     while (this->timers_.find(id) != this->timers_.end())
  119.     {
  120.         id++;
  121.     }
  122.        
  123.     return id;
  124. }
  125.  
  126. }; // namespace timer
  127. }; // namespace atom
  128.