mirror of https://github.com/Icinga/icinga2.git
64 lines
2.1 KiB
C++
64 lines
2.1 KiB
C++
/******************************************************************************
|
|
* 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. *
|
|
******************************************************************************/
|
|
|
|
#ifndef FIFO_H
|
|
#define FIFO_H
|
|
|
|
#include "base/i2-base.hpp"
|
|
#include "base/stream.hpp"
|
|
|
|
namespace icinga
|
|
{
|
|
|
|
/**
|
|
* A byte-based FIFO buffer.
|
|
*
|
|
* @ingroup base
|
|
*/
|
|
class I2_BASE_API FIFO : public Stream
|
|
{
|
|
public:
|
|
DECLARE_PTR_TYPEDEFS(FIFO);
|
|
|
|
static const size_t BlockSize = 16 * 1024;
|
|
|
|
FIFO(void);
|
|
~FIFO(void);
|
|
|
|
virtual size_t Read(void *buffer, size_t count);
|
|
virtual void Write(const void *buffer, size_t count);
|
|
virtual void Close(void);
|
|
virtual bool IsEof(void) const;
|
|
|
|
size_t GetAvailableBytes(void) const;
|
|
|
|
private:
|
|
char *m_Buffer;
|
|
size_t m_DataSize;
|
|
size_t m_AllocSize;
|
|
size_t m_Offset;
|
|
|
|
void ResizeBuffer(size_t newSize, bool decrease);
|
|
void Optimize(void);
|
|
};
|
|
|
|
}
|
|
|
|
#endif /* FIFO_H */
|