mirror of https://github.com/Icinga/icinga2.git
79 lines
2.5 KiB
C++
79 lines
2.5 KiB
C++
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/******************************************************************************
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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 "icinga/service.h"
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#include "base/dynamictype.h"
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#include "base/objectlock.h"
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#include "base/logger_fwd.h"
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#include "base/timer.h"
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#include "base/utility.h"
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#include <boost/tuple/tuple.hpp>
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#include <boost/smart_ptr/make_shared.hpp>
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#include <boost/foreach.hpp>
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using namespace icinga;
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#define FLAPPING_INTERVAL (30 * 60)
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void Service::UpdateFlappingStatus(bool stateChange)
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{
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double ts, now;
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long counter;
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now = Utility::GetTime();
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if (m_FlappingLastChange.IsEmpty()) {
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ts = now;
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counter = 0;
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} else {
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ts = m_FlappingLastChange;
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counter = m_FlappingCounter;
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}
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double diff = now - ts;
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if (diff > 0)
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counter -= 0.5 * m_FlappingCounter / (diff / FLAPPING_INTERVAL);
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if (stateChange)
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counter += diff;
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m_FlappingCounter = counter;
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Touch("flapping_counter");
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m_FlappingLastChange = now;
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Touch("flapping_lastchange");
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}
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bool Service::IsFlapping(void) const
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{
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double threshold = 30;
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if (!m_FlappingThreshold.IsEmpty())
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threshold = m_FlappingThreshold;
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if (m_FlappingCounter.IsEmpty())
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return false;
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long counter = m_FlappingCounter;
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return (counter > threshold * FLAPPING_INTERVAL / 100);
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}
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