| /* -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil -*- */ |
| /* |
| * Copyright (c) 2013 University of California, Los Angeles |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 as |
| * published by the Free Software Foundation; |
| * |
| * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| * |
| * Author: Zhenkai Zhu <zhenkai@cs.ucla.edu> |
| * Alexander Afanasyev <alexander.afanasyev@ucla.edu> |
| */ |
| |
| #include "periodic-task.h" |
| #include "logging.h" |
| #include <utility> |
| |
| INIT_LOGGER ("Scheduler.PeriodicTask"); |
| |
| PeriodicTask::PeriodicTask(const Callback &callback, const Tag &tag, const SchedulerPtr &scheduler, |
| IntervalGeneratorPtr generator) |
| : Task(callback, tag, scheduler) |
| , m_generator(generator) |
| { |
| } |
| |
| void |
| PeriodicTask::run() |
| { |
| if (!m_invoked) |
| { |
| m_invoked = true; |
| m_callback(); |
| |
| if (m_invoked) |
| { |
| // m_invoked getting back if it is rescheduled inside the callback |
| m_scheduler->rescheduleTask(m_tag); |
| } |
| } |
| } |
| |
| void |
| PeriodicTask::reset() |
| { |
| m_invoked = false; |
| double interval = m_generator->nextInterval(); |
| setTv(interval); |
| } |