icinga2/lib/remote/eventqueue.hpp

85 lines
2.9 KiB
C++

/******************************************************************************
* Icinga 2 *
* Copyright (C) 2012-2017 Icinga Development Team (https://www.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 EVENTQUEUE_H
#define EVENTQUEUE_H
#include "remote/httphandler.hpp"
#include "base/object.hpp"
#include "config/expression.hpp"
#include <boost/thread/mutex.hpp>
#include <boost/thread/condition_variable.hpp>
#include <set>
#include <map>
#include <deque>
namespace icinga
{
class I2_REMOTE_API EventQueue : public Object
{
public:
DECLARE_PTR_TYPEDEFS(EventQueue);
EventQueue(const String& name);
bool CanProcessEvent(const String& type) const;
void ProcessEvent(const Dictionary::Ptr& event);
void AddClient(void *client);
void RemoveClient(void *client);
void SetTypes(const std::set<String>& types);
void SetFilter(std::unique_ptr<Expression> filter);
Dictionary::Ptr WaitForEvent(void *client, double timeout = 5);
static std::vector<EventQueue::Ptr> GetQueuesForType(const String& type);
static void UnregisterIfUnused(const String& name, const EventQueue::Ptr& queue);
static EventQueue::Ptr GetByName(const String& name);
static void Register(const String& name, const EventQueue::Ptr& function);
static void Unregister(const String& name);
private:
String m_Name;
mutable boost::mutex m_Mutex;
boost::condition_variable m_CV;
std::set<String> m_Types;
std::unique_ptr<Expression> m_Filter;
std::map<void *, std::deque<Dictionary::Ptr> > m_Events;
};
/**
* A registry for API event queues.
*
* @ingroup base
*/
class I2_REMOTE_API EventQueueRegistry : public Registry<EventQueueRegistry, EventQueue::Ptr>
{
public:
static EventQueueRegistry *GetInstance(void);
};
}
#endif /* EVENTQUEUE_H */