ceph/src/rgw/rgw_compression_types.h

   1 // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
   2 // vim: ts=8 sw=2 smarttab ft=cpp
   3
   4 /*
   5  * Ceph - scalable distributed file system
   6  *
   7  * Copyright (C) 2019 Red Hat, Inc.
   8  *
   9  * This is free software; you can redistribute it and/or
  10  * modify it under the terms of the GNU Lesser General Public
  11  * License version 2.1, as published by the Free Software
  12  * Foundation. See file COPYING.
  13  *
  14  */
  15
  16 #pragma once
  17
  18 #include "rgw_common.h"
  19
  20 struct compression_block {
  21   uint64_t old_ofs;
  22   uint64_t new_ofs;
  23   uint64_t len;
  24
  25   void encode(bufferlist& bl) const {
  26     ENCODE_START(1, 1, bl);
  27     encode(old_ofs, bl);
  28     encode(new_ofs, bl);
  29     encode(len, bl);
  30     ENCODE_FINISH(bl);
  31   }
  32
  33   void decode(bufferlist::const_iterator& bl) {
  34      DECODE_START(1, bl);
  35      decode(old_ofs, bl);
  36      decode(new_ofs, bl);
  37      decode(len, bl);
  38      DECODE_FINISH(bl);
  39   }
  40   void dump(Formatter *f) const;
  41 };
  42 WRITE_CLASS_ENCODER(compression_block)
  43
  44 struct RGWCompressionInfo {
  45   string compression_type;
  46   uint64_t orig_size;
  47   vector<compression_block> blocks;
  48
  49   RGWCompressionInfo() : compression_type("none"), orig_size(0) {}
  50   RGWCompressionInfo(const RGWCompressionInfo& cs_info) : compression_type(cs_info.compression_type),
  51                                                           orig_size(cs_info.orig_size),
  52                                                           blocks(cs_info.blocks) {}
  53
  54   void encode(bufferlist& bl) const {
  55     ENCODE_START(1, 1, bl);
  56     encode(compression_type, bl);
  57     encode(orig_size, bl);
  58     encode(blocks, bl);
  59     ENCODE_FINISH(bl);
  60   }
  61
  62   void decode(bufferlist::const_iterator& bl) {
  63      DECODE_START(1, bl);
  64      decode(compression_type, bl);
  65      decode(orig_size, bl);
  66      decode(blocks, bl);
  67      DECODE_FINISH(bl);
  68   }
  69   void dump(Formatter *f) const;
  70 };
  71 WRITE_CLASS_ENCODER(RGWCompressionInfo)
  72