ceph/src/librbd/api/PoolMetadata.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_LIBRBD_API_POOL_METADATA_H
   5 #define CEPH_LIBRBD_API_POOL_METADATA_H
   6
   7 #include "include/buffer_fwd.h"
   8 #include "include/rados/librados_fwd.hpp"
   9
  10 #include <map>
  11 #include <string>
  12
  13 namespace librbd {
  14
  15 class ImageCtx;
  16
  17 namespace api {
  18
  19 template <typename ImageCtxT = librbd::ImageCtx>
  20 class PoolMetadata {
  21 public:
  22   static int get(librados::IoCtx& io_ctx, const std::string &key,
  23                  std::string *value);
  24   static int set(librados::IoCtx& io_ctx, const std::string &key,
  25                  const std::string &value);
  26   static int remove(librados::IoCtx& io_ctx, const std::string &key);
  27   static int list(librados::IoCtx& io_ctx, const std::string &start,
  28                   uint64_t max, std::map<std::string, ceph::bufferlist> *pairs);
  29 };
  30
  31 } // namespace api
  32 } // namespace librbd
  33
  34 extern template class librbd::api::PoolMetadata<librbd::ImageCtx>;
  35
  36 #endif // CEPH_LIBRBD_API_POOL_METADATA_H