remove ceph code

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

diff --git a/src/ceph/src/librbd/Watcher.h b/src/ceph/src/librbd/Watcher.h
deleted file mode 100644 (file)
index 3900902..0000000
--- a/src/ceph/src/librbd/Watcher.h
+++ /dev/null
@@ -1,169 +0,0 @@
-// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
-// vim: ts=8 sw=2 smarttab
-
-#ifndef CEPH_LIBRBD_WATCHER_H
-#define CEPH_LIBRBD_WATCHER_H
-
-#include "common/AsyncOpTracker.h"
-#include "common/Mutex.h"
-#include "common/RWLock.h"
-#include "include/rados/librados.hpp"
-#include "librbd/watcher/Notifier.h"
-#include "librbd/watcher/Types.h"
-#include <string>
-#include <utility>
-
-class ContextWQ;
-
-namespace librbd {
-
-namespace watcher { struct NotifyResponse; }
-
-class Watcher {
-public:
-  struct C_NotifyAck : public Context {
-    Watcher *watcher;
-    CephContext *cct;
-    uint64_t notify_id;
-    uint64_t handle;
-    bufferlist out;
-
-    C_NotifyAck(Watcher *watcher, uint64_t notify_id, uint64_t handle);
-    void finish(int r) override;
-  };
-
-  Watcher(librados::IoCtx& ioctx, ContextWQ *work_queue,
-          const std::string& oid);
-  virtual ~Watcher();
-
-  void register_watch(Context *on_finish);
-  virtual void unregister_watch(Context *on_finish);
-  void flush(Context *on_finish);
-
-  bool notifications_blocked() const;
-  virtual void block_notifies(Context *on_finish);
-  void unblock_notifies();
-
-  std::string get_oid() const;
-  void set_oid(const string& oid);
-
-  uint64_t get_watch_handle() const {
-    RWLock::RLocker watch_locker(m_watch_lock);
-    return m_watch_handle;
-  }
-
-  bool is_registered() const {
-    RWLock::RLocker locker(m_watch_lock);
-    return m_watch_state == WATCH_STATE_REGISTERED;
-  }
-  bool is_unregistered() const {
-    RWLock::RLocker locker(m_watch_lock);
-    return m_watch_state == WATCH_STATE_UNREGISTERED;
-  }
-
-protected:
-  enum WatchState {
-    WATCH_STATE_UNREGISTERED,
-    WATCH_STATE_REGISTERING,
-    WATCH_STATE_REGISTERED,
-    WATCH_STATE_ERROR,
-    WATCH_STATE_REWATCHING
-  };
-
-  librados::IoCtx& m_ioctx;
-  ContextWQ *m_work_queue;
-  std::string m_oid;
-  CephContext *m_cct;
-  mutable RWLock m_watch_lock;
-  uint64_t m_watch_handle;
-  watcher::Notifier m_notifier;
-  WatchState m_watch_state;
-  AsyncOpTracker m_async_op_tracker;
-
-  void send_notify(bufferlist &payload,
-                   watcher::NotifyResponse *response = nullptr,
-                   Context *on_finish = nullptr);
-
-  virtual void handle_notify(uint64_t notify_id, uint64_t handle,
-                             uint64_t notifier_id, bufferlist &bl) = 0;
-
-  virtual void handle_error(uint64_t cookie, int err);
-
-  void acknowledge_notify(uint64_t notify_id, uint64_t handle,
-                          bufferlist &out);
-
-  virtual void handle_rewatch_complete(int r) { }
-
-private:
-  /**
-   * @verbatim
-   *
-   * <start>
-   *    |
-   *    v
-   * UNREGISTERED
-   *    |
-   *    | (register_watch)
-   *    |
-   * REGISTERING
-   *    |
-   *    v      (watch error)
-   * REGISTERED * * * * * * * > ERROR
-   *    |   ^                     |
-   *    |   |                     | (rewatch)
-   *    |   |                     v
-   *    |   |                   REWATCHING
-   *    |   |                     |
-   *    |   |                     |
-   *    |   \---------------------/
-   *    |
-   *    | (unregister_watch)
-   *    |
-   *    v
-   * UNREGISTERED
-   *    |
-   *    v
-   * <finish>
-   *
-   * @endverbatim
-   */
-
-  struct WatchCtx : public librados::WatchCtx2 {
-    Watcher &watcher;
-
-    WatchCtx(Watcher &parent) : watcher(parent) {}
-
-    void handle_notify(uint64_t notify_id,
-                       uint64_t handle,
-                       uint64_t notifier_id,
-                       bufferlist& bl) override;
-    void handle_error(uint64_t handle, int err) override;
-  };
-
-  struct C_RegisterWatch : public Context {
-    Watcher *watcher;
-    Context *on_finish;
-
-    C_RegisterWatch(Watcher *watcher, Context *on_finish)
-       : watcher(watcher), on_finish(on_finish) {
-    }
-    void finish(int r) override {
-      watcher->handle_register_watch(r, on_finish);
-    }
-  };
-
-  WatchCtx m_watch_ctx;
-  Context *m_unregister_watch_ctx = nullptr;
-
-  uint32_t m_blocked_count = 0;
-
-  void handle_register_watch(int r, Context *on_finish);
-
-  void rewatch();
-  void handle_rewatch(int r);
-
-};
-
-} // namespace librbd
-
-#endif // CEPH_LIBRBD_WATCHER_H