ceph/src/crimson/os/cyan_object.h

   1 // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
   2 // vim: ts=8 sw=2 smarttab
   3 #include <cstddef>
   4 #include <map>
   5 #include <string>
   6 #include <boost/intrusive_ptr.hpp>
   7 #include <boost/smart_ptr/intrusive_ref_counter.hpp>
   8 #include "include/buffer.h"
   9
  10 namespace ceph::os {
  11
  12 struct Object : public boost::intrusive_ref_counter<
  13   Object,
  14   boost::thread_unsafe_counter>
  15 {
  16   using bufferlist = ceph::bufferlist;
  17
  18   bufferlist data;
  19   std::map<std::string,bufferptr> xattr;
  20   bufferlist omap_header;
  21   std::map<std::string,bufferlist> omap;
  22
  23   typedef boost::intrusive_ptr<Object> Ref;
  24
  25   Object() = default;
  26
  27   // interface for object data
  28   size_t get_size() const;
  29   int read(uint64_t offset, uint64_t len, bufferlist &bl);
  30   int write(uint64_t offset, const bufferlist &bl);
  31   int clone(Object *src, uint64_t srcoff, uint64_t len,
  32              uint64_t dstoff);
  33   int truncate(uint64_t offset);
  34
  35   void encode(bufferlist& bl) const;
  36   void decode(bufferlist::const_iterator& p);
  37 };
  38 }