icinga2/components/checker/checkercomponent.h

109 lines
3.2 KiB
C++

/******************************************************************************
* Icinga 2 *
* Copyright (C) 2012-2013 Icinga Development Team (http://www.icinga.org/) *
* *
* 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 "icinga/service.h"
#include "base/dynamicobject.h"
#include "base/timer.h"
#include "base/utility.h"
#include <boost/thread/thread.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>
namespace icinga
{
/**
* @ingroup checker
*/
struct ServiceNextCheckExtractor
{
typedef double result_type;
/**
* @threadsafety Always.
*/
double operator()(const Service::Ptr& service)
{
if (!service->HasAuthority("checker"))
return Utility::GetTime() + 60;
double next = service->GetNextCheck();
while (next == 0) {
service->UpdateNextCheck();
next = service->GetNextCheck();
}
return next;
}
};
/**
* @ingroup checker
*/
class CheckerComponent : public DynamicObject
{
public:
DECLARE_PTR_TYPEDEFS(CheckerComponent);
typedef boost::multi_index_container<
Service::Ptr,
boost::multi_index::indexed_by<
boost::multi_index::ordered_unique<boost::multi_index::identity<Service::Ptr> >,
boost::multi_index::ordered_non_unique<ServiceNextCheckExtractor>
>
> ServiceSet;
virtual void Start(void);
virtual void Stop(void);
private:
boost::mutex m_Mutex;
boost::condition_variable m_CV;
bool m_Stopped;
boost::thread m_Thread;
ServiceSet m_IdleServices;
ServiceSet m_PendingServices;
Timer::Ptr m_ResultTimer;
void CheckThreadProc(void);
void ResultTimerHandler(void);
void ExecuteCheckHelper(const Service::Ptr& service);
void AdjustCheckTimer(void);
void ObjectHandler(const DynamicObject::Ptr& object);
void NextCheckChangedHandler(const Service::Ptr& service);
void RescheduleCheckTimer(void);
};
}
#endif /* CHECKERCOMPONENT_H */