ceph/src/librbd/api/Mirror.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 LIBRBD_API_MIRROR_H
   5 #define LIBRBD_API_MIRROR_H
   6
   7 #include "include/rbd/librbd.hpp"
   8 #include <map>
   9 #include <string>
  10 #include <vector>
  11
  12 class ContextWQ;
  13
  14 struct Context;
  15
  16 namespace librbd {
  17
  18 struct ImageCtx;
  19
  20 namespace api {
  21
  22 template <typename ImageCtxT = librbd::ImageCtx>
  23 struct Mirror {
  24   typedef std::map<std::string, std::string> Attributes;
  25   typedef std::map<std::string, mirror_image_global_status_t>
  26     IdToMirrorImageGlobalStatus;
  27   typedef std::map<mirror_image_status_state_t, int> MirrorImageStatusStates;
  28
  29   static int site_name_get(librados::Rados& rados, std::string* name);
  30   static int site_name_set(librados::Rados& rados, const std::string& name);
  31
  32   static int mode_get(librados::IoCtx& io_ctx, rbd_mirror_mode_t *mirror_mode);
  33   static int mode_set(librados::IoCtx& io_ctx, rbd_mirror_mode_t mirror_mode);
  34
  35   static int uuid_get(librados::IoCtx& io_ctx, std::string* mirror_uuid);
  36   static void uuid_get(librados::IoCtx& io_ctx, std::string* mirror_uuid,
  37                        Context* on_finish);
  38
  39   static int peer_bootstrap_create(librados::IoCtx& io_ctx, std::string* token);
  40   static int peer_bootstrap_import(librados::IoCtx& io_ctx,
  41                                    rbd_mirror_peer_direction_t direction,
  42                                    const std::string& token);
  43
  44   static int peer_site_add(librados::IoCtx& io_ctx, std::string *uuid,
  45                            mirror_peer_direction_t direction,
  46                            const std::string &site_name,
  47                            const std::string &client_name);
  48   static int peer_site_remove(librados::IoCtx& io_ctx, const std::string &uuid);
  49   static int peer_site_list(librados::IoCtx& io_ctx,
  50                             std::vector<mirror_peer_site_t> *peers);
  51   static int peer_site_set_client(librados::IoCtx& io_ctx,
  52                                   const std::string &uuid,
  53                                   const std::string &client_name);
  54   static int peer_site_set_name(librados::IoCtx& io_ctx,
  55                                 const std::string &uuid,
  56                                 const std::string &site_name);
  57   static int peer_site_set_direction(librados::IoCtx& io_ctx,
  58                                      const std::string &uuid,
  59                                      mirror_peer_direction_t direction);
  60   static int peer_site_get_attributes(librados::IoCtx& io_ctx,
  61                                       const std::string &uuid,
  62                                       Attributes* attributes);
  63   static int peer_site_set_attributes(librados::IoCtx& io_ctx,
  64                                       const std::string &uuid,
  65                                       const Attributes& attributes);
  66
  67   static int image_global_status_list(librados::IoCtx& io_ctx,
  68                                       const std::string &start_id, size_t max,
  69                                       IdToMirrorImageGlobalStatus *images);
  70
  71   static int image_status_summary(librados::IoCtx& io_ctx,
  72                                   MirrorImageStatusStates *states);
  73   static int image_instance_id_list(librados::IoCtx& io_ctx,
  74                                     const std::string &start_image_id,
  75                                     size_t max,
  76                                     std::map<std::string, std::string> *ids);
  77
  78   static int image_info_list(
  79       librados::IoCtx& io_ctx, mirror_image_mode_t *mode_filter,
  80       const std::string &start_id, size_t max,
  81       std::map<std::string, std::pair<mirror_image_mode_t,
  82                                       mirror_image_info_t>> *entries);
  83
  84   static int image_enable(ImageCtxT *ictx, mirror_image_mode_t mode,
  85                           bool relax_same_pool_parent_check);
  86   static int image_disable(ImageCtxT *ictx, bool force);
  87   static int image_promote(ImageCtxT *ictx, bool force);
  88   static void image_promote(ImageCtxT *ictx, bool force, Context *on_finish);
  89   static int image_demote(ImageCtxT *ictx);
  90   static void image_demote(ImageCtxT *ictx, Context *on_finish);
  91   static int image_resync(ImageCtxT *ictx);
  92   static int image_get_info(ImageCtxT *ictx,
  93                             mirror_image_info_t *mirror_image_info);
  94   static void image_get_info(ImageCtxT *ictx,
  95                              mirror_image_info_t *mirror_image_info,
  96                              Context *on_finish);
  97   static int image_get_info(librados::IoCtx& io_ctx,
  98                             ContextWQ *op_work_queue,
  99                             const std::string &image_id,
 100                             mirror_image_info_t *mirror_image_info);
 101   static void image_get_info(librados::IoCtx& io_ctx,
 102                              ContextWQ *op_work_queue,
 103                              const std::string &image_id,
 104                              mirror_image_info_t *mirror_image_info,
 105                              Context *on_finish);
 106   static int image_get_mode(ImageCtxT *ictx, mirror_image_mode_t *mode);
 107   static void image_get_mode(ImageCtxT *ictx, mirror_image_mode_t *mode,
 108                              Context *on_finish);
 109   static int image_get_global_status(ImageCtxT *ictx,
 110                                      mirror_image_global_status_t *status);
 111   static void image_get_global_status(ImageCtxT *ictx,
 112                                       mirror_image_global_status_t *status,
 113                                       Context *on_finish);
 114   static int image_get_instance_id(ImageCtxT *ictx, std::string *instance_id);
 115
 116   static int image_snapshot_create(ImageCtxT *ictx, uint64_t *snap_id);
 117 };
 118
 119 } // namespace api
 120 } // namespace librbd
 121
 122 extern template class librbd::api::Mirror<librbd::ImageCtx>;
 123
 124 #endif // LIBRBD_API_MIRROR_H