icinga2/lib/base/ringbuffer.hpp

56 lines
2.0 KiB
C++
Raw Normal View History

/******************************************************************************
* Icinga 2 *
* Copyright (C) 2012-2014 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. *
******************************************************************************/
2012-06-28 15:43:49 +02:00
#ifndef RINGBUFFER_H
#define RINGBUFFER_H
2014-05-25 16:23:35 +02:00
#include "base/i2-base.hpp"
#include "base/object.hpp"
2013-03-16 21:18:53 +01:00
#include <vector>
2012-06-28 15:43:49 +02:00
namespace icinga
{
2012-09-17 13:35:55 +02:00
/**
* A ring buffer that holds a pre-defined number of integers.
*
* @ingroup base
*/
2013-03-01 12:07:52 +01:00
class I2_BASE_API RingBuffer : public Object
2012-06-28 15:43:49 +02:00
{
public:
2014-11-07 12:32:25 +01:00
DECLARE_PTR_TYPEDEFS(RingBuffer);
2013-03-01 12:07:52 +01:00
2013-03-16 21:18:53 +01:00
typedef std::vector<int>::size_type SizeType;
2012-06-28 15:43:49 +02:00
2012-08-07 21:02:12 +02:00
RingBuffer(SizeType slots);
SizeType GetLength(void) const;
void InsertValue(SizeType tv, int num);
int GetValues(SizeType span) const;
2012-06-28 15:43:49 +02:00
private:
2013-03-16 21:18:53 +01:00
std::vector<int> m_Slots;
2013-03-06 11:03:50 +01:00
SizeType m_TimeValue;
2012-06-28 15:43:49 +02:00
};
}
#endif /* RINGBUFFER_H */