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// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
// vim: ts=8 sw=2 smarttab
/*
* Ceph distributed storage system
*
* Copyright (C) 2015 Mirantis, Inc.
*
* Author: Alyona Kiseleva <akiselyova@mirantis.com>
*
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
*/
#ifndef CEPH_COMPRESSOR_EXAMPLE_H
#define CEPH_COMPRESSOR_EXAMPLE_H
#include <unistd.h>
#include <errno.h>
#include <algorithm>
#include <sstream>
#include "crush/CrushWrapper.h"
#include "osd/osd_types.h"
#include "compressor/Compressor.h"
class CompressorExample : public Compressor {
public:
CompressorExample() : Compressor(COMP_ALG_NONE, "example") {}
~CompressorExample() override {}
int compress(const bufferlist &in, bufferlist &out, boost::optional<int32_t> &compressor_message) override
{
out = in;
return 0;
}
int decompress(const bufferlist &in, bufferlist &out, boost::optional<int32_t> compressor_message) override
{
out = in;
return 0;
}
int decompress(bufferlist::const_iterator &p, size_t compressed_len, bufferlist &out, boost::optional<int32_t> compressor_message) override
{
p.copy(std::min<size_t>(p.get_remaining(), compressed_len), out);
return 0;
}
};
#endif
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