icinga2/lib/checker/checkercomponent.hpp

117 lines
3.6 KiB
C++

/******************************************************************************
* Icinga 2 *
* Copyright (C) 2012-2018 Icinga Development Team (https://icinga.com/) *
* *
* 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 St, Fifth Floor, Boston, MA 02110-1301, USA. *
******************************************************************************/
#ifndef CHECKERCOMPONENT_H
#define CHECKERCOMPONENT_H
#include "checker/checkercomponent-ti.hpp"
#include "icinga/service.hpp"
#include "base/configobject.hpp"
#include "base/timer.hpp"
#include "base/utility.hpp"
#include <boost/thread/mutex.hpp>
#include <boost/thread/condition_variable.hpp>
#include <boost/multi_index_container.hpp>
#include <boost/multi_index/ordered_index.hpp>
#include <boost/multi_index/key_extractors.hpp>
#include <thread>
namespace icinga
{
/**
* @ingroup checker
*/
struct CheckableScheduleInfo
{
Checkable::Ptr Object;
double NextCheck;
};
/**
* @ingroup checker
*/
struct CheckableNextCheckExtractor
{
typedef double result_type;
/**
* @threadsafety Always.
*/
double operator()(const CheckableScheduleInfo& csi)
{
return csi.NextCheck;
}
};
/**
* @ingroup checker
*/
class CheckerComponent final : public ObjectImpl<CheckerComponent>
{
public:
DECLARE_OBJECT(CheckerComponent);
DECLARE_OBJECTNAME(CheckerComponent);
typedef boost::multi_index_container<
CheckableScheduleInfo,
boost::multi_index::indexed_by<
boost::multi_index::ordered_unique<boost::multi_index::member<CheckableScheduleInfo, Checkable::Ptr, &CheckableScheduleInfo::Object> >,
boost::multi_index::ordered_non_unique<CheckableNextCheckExtractor>
>
> CheckableSet;
void OnConfigLoaded() override;
void Start(bool runtimeCreated) override;
void Stop(bool runtimeRemoved) override;
static void StatsFunc(const Dictionary::Ptr& status, const Array::Ptr& perfdata);
unsigned long GetIdleCheckables();
unsigned long GetPendingCheckables();
private:
boost::mutex m_Mutex;
boost::condition_variable m_CV;
bool m_Stopped{false};
std::thread m_Thread;
CheckableSet m_IdleCheckables;
CheckableSet m_PendingCheckables;
Timer::Ptr m_ResultTimer;
void CheckThreadProc();
void ResultTimerHandler();
void ExecuteCheckHelper(const Checkable::Ptr& checkable);
void AdjustCheckTimer();
void ObjectHandler(const ConfigObject::Ptr& object);
void NextCheckChangedHandler(const Checkable::Ptr& checkable);
void RescheduleCheckTimer();
static CheckableScheduleInfo GetCheckableScheduleInfo(const Checkable::Ptr& checkable);
};
}
#endif /* CHECKERCOMPONENT_H */