remove ceph code

[stor4nfv.git] / src / ceph / src / librbd / ImageState.h

diff --git a/src/ceph/src/librbd/ImageState.h b/src/ceph/src/librbd/ImageState.h
deleted file mode 100644 (file)
index 2f4d3e3..0000000
--- a/src/ceph/src/librbd/ImageState.h
+++ /dev/null
@@ -1,148 +0,0 @@
-// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
-// vim: ts=8 sw=2 smarttab
-
-#ifndef CEPH_LIBRBD_IMAGE_STATE_H
-#define CEPH_LIBRBD_IMAGE_STATE_H
-
-#include "include/int_types.h"
-#include "common/Mutex.h"
-#include <list>
-#include <string>
-#include <utility>
-#include "cls/rbd/cls_rbd_types.h"
-
-class Context;
-class RWLock;
-
-namespace librbd {
-
-class ImageCtx;
-class ImageUpdateWatchers;
-class UpdateWatchCtx;
-
-template <typename ImageCtxT = ImageCtx>
-class ImageState {
-public:
-  ImageState(ImageCtxT *image_ctx);
-  ~ImageState();
-
-  int open(bool skip_open_parent);
-  void open(bool skip_open_parent, Context *on_finish);
-
-  int close();
-  void close(Context *on_finish);
-
-  void handle_update_notification();
-
-  bool is_refresh_required() const;
-
-  int refresh();
-  int refresh_if_required();
-  void refresh(Context *on_finish);
-
-  void snap_set(const cls::rbd::SnapshotNamespace &snap_namespace,
-               const std::string &snap_name,
-               Context *on_finish);
-
-  void prepare_lock(Context *on_ready);
-  void handle_prepare_lock_complete();
-
-  int register_update_watcher(UpdateWatchCtx *watcher, uint64_t *handle);
-  int unregister_update_watcher(uint64_t handle);
-  void flush_update_watchers(Context *on_finish);
-  void shut_down_update_watchers(Context *on_finish);
-
-private:
-  enum State {
-    STATE_UNINITIALIZED,
-    STATE_OPEN,
-    STATE_CLOSED,
-    STATE_OPENING,
-    STATE_CLOSING,
-    STATE_REFRESHING,
-    STATE_SETTING_SNAP,
-    STATE_PREPARING_LOCK
-  };
-
-  enum ActionType {
-    ACTION_TYPE_OPEN,
-    ACTION_TYPE_CLOSE,
-    ACTION_TYPE_REFRESH,
-    ACTION_TYPE_SET_SNAP,
-    ACTION_TYPE_LOCK
-  };
-
-  struct Action {
-    ActionType action_type;
-    uint64_t refresh_seq = 0;
-    cls::rbd::SnapshotNamespace snap_namespace;
-    std::string snap_name;
-    Context *on_ready = nullptr;
-
-    Action(ActionType action_type) : action_type(action_type) {
-    }
-    inline bool operator==(const Action &action) const {
-      if (action_type != action.action_type) {
-        return false;
-      }
-      switch (action_type) {
-      case ACTION_TYPE_REFRESH:
-        return (refresh_seq == action.refresh_seq);
-      case ACTION_TYPE_SET_SNAP:
-        return (snap_name == action.snap_name) && (snap_namespace == action.snap_namespace);
-      case ACTION_TYPE_LOCK:
-        return false;
-      default:
-        return true;
-      }
-    }
-  };
-
-  typedef std::list<Context *> Contexts;
-  typedef std::pair<Action, Contexts> ActionContexts;
-  typedef std::list<ActionContexts> ActionsContexts;
-
-  ImageCtxT *m_image_ctx;
-  State m_state;
-
-  mutable Mutex m_lock;
-  ActionsContexts m_actions_contexts;
-
-  uint64_t m_last_refresh;
-  uint64_t m_refresh_seq;
-
-  ImageUpdateWatchers *m_update_watchers;
-
-  bool m_skip_open_parent_image;
-
-  bool is_transition_state() const;
-  bool is_closed() const;
-
-  const Action *find_pending_refresh() const;
-
-  void append_context(const Action &action, Context *context);
-  void execute_next_action_unlock();
-  void execute_action_unlock(const Action &action, Context *context);
-  void complete_action_unlock(State next_state, int r);
-
-  void send_open_unlock();
-  void handle_open(int r);
-
-  void send_close_unlock();
-  void handle_close(int r);
-
-  void send_refresh_unlock();
-  void handle_refresh(int r);
-
-  void send_set_snap_unlock();
-  void handle_set_snap(int r);
-
-  void send_prepare_lock_unlock();
-
-};
-
-} // namespace librbd
-
-extern template class librbd::ImageState<librbd::ImageCtx>;
-
-#endif // CEPH_LIBRBD_IMAGE_STATE_H