/* <!-- copyright */
/*
 * aria2 - The high speed download utility
 *
 * Copyright (C) 2006 Tatsuhiro Tsujikawa
 *
 * 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 program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 *
 * In addition, as a special exception, the copyright holders give
 * permission to link the code of portions of this program with the
 * OpenSSL library under certain conditions as described in each
 * individual source file, and distribute linked combinations
 * including the two.
 * You must obey the GNU General Public License in all respects
 * for all of the code used other than OpenSSL.  If you modify
 * file(s) with this exception, you may extend this exception to your
 * version of the file(s), but you are not obligated to do so.  If you
 * do not wish to do so, delete this exception statement from your
 * version.  If you delete this exception statement from all source
 * files in the program, then also delete it here.
 */
/* copyright --> */
#include "DHTTaskQueueImpl.h"
#include "DHTTask.h"

DHTTaskQueueImpl::DHTTaskQueueImpl():_periodicTask1(0),
				     _periodicTask2(0),
				     _immediateTask(0) {}

DHTTaskQueueImpl::~DHTTaskQueueImpl() {}

void DHTTaskQueueImpl::executeTask(DHTTaskHandle& task, DHTTasks& taskQueue)
{
  while(1) {
    if(task.isNull() || task->finished()) {
      task = 0;
      if(taskQueue.empty()) {
	break;
      }
      task = taskQueue.front();
      taskQueue.erase(taskQueue.begin());
      task->startup();
    } else {
      break;
    }
  }
}

void DHTTaskQueueImpl::executeTask()
{
  executeTask(_periodicTask1, _periodicTaskQueue1);
  executeTask(_periodicTask2, _periodicTaskQueue2);
  executeTask(_immediateTask, _immediateTaskQueue);
}

void DHTTaskQueueImpl::addPeriodicTask1(const DHTTaskHandle& task)
{
  _periodicTaskQueue1.push_back(task);
}

void DHTTaskQueueImpl::addPeriodicTask2(const DHTTaskHandle& task)
{
  _periodicTaskQueue2.push_back(task);
}

void DHTTaskQueueImpl::addImmediateTask(const DHTTaskHandle& task)
{
  _immediateTaskQueue.push_back(task);
}