mirror of https://github.com/Icinga/icinga2.git
102 lines
3.4 KiB
C++
102 lines
3.4 KiB
C++
/******************************************************************************
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* Icinga 2 *
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* Copyright (C) 2012-2014 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 "icinga/icingaapplication.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 "base/convert.h"
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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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double Checkable::GetFlappingCurrent(void) const
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{
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if (GetFlappingPositive() + GetFlappingNegative() <= 0)
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return 0;
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return 100 * GetFlappingPositive() / (GetFlappingPositive() + GetFlappingNegative());
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}
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bool Checkable::GetEnableFlapping(void) const
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{
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if (!GetOverrideEnableFlapping().IsEmpty())
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return GetOverrideEnableFlapping();
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else
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return GetEnableFlappingRaw();
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}
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void Checkable::SetEnableFlapping(bool enabled, const MessageOrigin& origin)
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{
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SetOverrideEnableFlapping(enabled);
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OnFlappingChanged(GetSelf(), enabled ? FlappingEnabled : FlappingDisabled);
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OnEnableFlappingChanged(GetSelf(), enabled, origin);
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}
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void Checkable::UpdateFlappingStatus(bool stateChange)
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{
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double ts, now;
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long positive, negative;
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now = Utility::GetTime();
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ts = GetFlappingLastChange();
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positive = GetFlappingPositive();
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negative = GetFlappingNegative();
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double diff = now - ts;
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if (positive + negative > FLAPPING_INTERVAL) {
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double pct = (positive + negative - FLAPPING_INTERVAL) / FLAPPING_INTERVAL;
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positive -= pct * positive;
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negative -= pct * negative;
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}
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if (stateChange)
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positive += diff;
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else
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negative += diff;
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if (positive < 0)
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positive = 0;
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if (negative < 0)
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negative = 0;
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// Log(LogDebug, "icinga", "Flapping counter for '" + GetName() + "' is positive=" + Convert::ToString(positive) + ", negative=" + Convert::ToString(negative));
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SetFlappingLastChange(now);
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SetFlappingPositive(positive);
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SetFlappingNegative(negative);
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}
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bool Checkable::IsFlapping(void) const
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{
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if (!GetEnableFlapping() || !IcingaApplication::GetInstance()->GetEnableFlapping())
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return false;
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else
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return GetFlappingCurrent() > GetFlappingThreshold();
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}
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