ceph/src/rgw/rgw_compression.h

   1 // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
   2 // vim: ts=8 sw=2 smarttab
   3
   4 #ifndef CEPH_RGW_COMPRESSION_H
   5 #define CEPH_RGW_COMPRESSION_H
   6
   7 #include <vector>
   8
   9 #include "compressor/Compressor.h"
  10 #include "rgw_op.h"
  11
  12 class RGWGetObj_Decompress : public RGWGetObj_Filter
  13 {
  14   CephContext* cct;
  15   CompressorRef compressor;
  16   RGWCompressionInfo* cs_info;
  17   bool partial_content;
  18   vector<compression_block>::iterator first_block, last_block;
  19   off_t q_ofs, q_len;
  20   uint64_t cur_ofs;
  21   bufferlist waiting;
  22 public:
  23   RGWGetObj_Decompress(CephContext* cct_,
  24                        RGWCompressionInfo* cs_info_,
  25                        bool partial_content_,
  26                        RGWGetDataCB* next);
  27   ~RGWGetObj_Decompress() override {}
  28
  29   int handle_data(bufferlist& bl, off_t bl_ofs, off_t bl_len) override;
  30   int fixup_range(off_t& ofs, off_t& end) override;
  31
  32 };
  33
  34 class RGWPutObj_Compress : public RGWPutObj_Filter
  35 {
  36   CephContext* cct;
  37   bool compressed{false};
  38   CompressorRef compressor;
  39   std::vector<compression_block> blocks;
  40 public:
  41   RGWPutObj_Compress(CephContext* cct_, CompressorRef compressor,
  42                      RGWPutObjDataProcessor* next)
  43     : RGWPutObj_Filter(next), cct(cct_), compressor(compressor) {}
  44   ~RGWPutObj_Compress() override{}
  45   int handle_data(bufferlist& bl, off_t ofs, void **phandle, rgw_raw_obj *pobj, bool *again) override;
  46
  47   bool is_compressed() { return compressed; }
  48   vector<compression_block>& get_compression_blocks() { return blocks; }
  49
  50 }; /* RGWPutObj_Compress */
  51
  52 #endif /* CEPH_RGW_COMPRESSION_H */