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// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
// vim: ts=8 sw=2 smarttab
#ifndef CEPH_RGW_COMPRESSION_H
#define CEPH_RGW_COMPRESSION_H
#include <vector>
#include "compressor/Compressor.h"
#include "rgw_putobj.h"
#include "rgw_op.h"
int rgw_compression_info_from_attr(const bufferlist& attr,
bool& need_decompress,
RGWCompressionInfo& cs_info);
int rgw_compression_info_from_attrset(const map<string, bufferlist>& attrs,
bool& need_decompress,
RGWCompressionInfo& cs_info);
class RGWGetObj_Decompress : public RGWGetObj_Filter
{
CephContext* cct;
CompressorRef compressor;
RGWCompressionInfo* cs_info;
bool partial_content;
vector<compression_block>::iterator first_block, last_block;
off_t q_ofs, q_len;
uint64_t cur_ofs;
bufferlist waiting;
public:
RGWGetObj_Decompress(CephContext* cct_,
RGWCompressionInfo* cs_info_,
bool partial_content_,
RGWGetObj_Filter* next);
~RGWGetObj_Decompress() override {}
int handle_data(bufferlist& bl, off_t bl_ofs, off_t bl_len) override;
int fixup_range(off_t& ofs, off_t& end) override;
};
class RGWPutObj_Compress : public rgw::putobj::Pipe
{
CephContext* cct;
bool compressed{false};
CompressorRef compressor;
std::vector<compression_block> blocks;
public:
RGWPutObj_Compress(CephContext* cct_, CompressorRef compressor,
rgw::putobj::DataProcessor *next)
: Pipe(next), cct(cct_), compressor(compressor) {}
int process(bufferlist&& data, uint64_t logical_offset) override;
bool is_compressed() { return compressed; }
vector<compression_block>& get_compression_blocks() { return blocks; }
}; /* RGWPutObj_Compress */
#endif /* CEPH_RGW_COMPRESSION_H */
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