mirror of
https://github.com/Icinga/icinga2.git
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97 lines
2.8 KiB
C++
97 lines
2.8 KiB
C++
/******************************************************************************
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* Icinga 2 *
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* Copyright (C) 2012 Icinga Development Team (http://www.icinga.org/) *
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* *
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* This program is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU General Public License *
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* as published by the Free Software Foundation; either version 2 *
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* of the License, or (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the Free Software Foundation *
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. *
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******************************************************************************/
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#include "i2-base.h"
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using namespace icinga;
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vector<Event> Event::m_Events;
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condition_variable Event::m_EventAvailable;
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boost::mutex Event::m_Mutex;
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/**
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* Constructor for the Event class
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*
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* @param callback The callback function for the new event object.
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*/
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Event::Event(const Event::Callback& callback)
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: m_Callback(callback)
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{ }
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/**
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* Waits for events using the specified timeout value and processes
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* them.
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*
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* @param timeout The wait timeout.
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*/
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void Event::ProcessEvents(millisec timeout)
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{
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vector<Event> events;
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assert(Application::IsMainThread());
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{
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boost::mutex::scoped_lock lock(m_Mutex);
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while (m_Events.empty()) {
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if (!m_EventAvailable.timed_wait(lock, timeout))
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return;
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}
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events.swap(m_Events);
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}
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BOOST_FOREACH(const Event& ev, events) {
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double st = Utility::GetTime();
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ev.m_Callback();
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double et = Utility::GetTime();
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if (et - st > 1.0) {
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stringstream msgbuf;
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msgbuf << "Event call took " << et - st << " seconds.";
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Logger::Write(LogWarning, "base", msgbuf.str());
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}
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}
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}
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/**
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* Appends an event to the event queue. Events will be processed in FIFO
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* order on the main thread.
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*
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* @param callback The callback function for the event.
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*/
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void Event::Post(const Event::Callback& callback)
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{
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if (Application::IsMainThread()) {
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callback();
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return;
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}
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Event ev(callback);
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{
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boost::mutex::scoped_lock lock(m_Mutex);
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m_Events.push_back(ev);
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m_EventAvailable.notify_all();
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}
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}
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