+++ /dev/null
-// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
-// vim: ts=8 sw=2 smarttab
-
-#ifndef CEPH_LIBRBD_WATCHER_REWATCH_REQUEST_H
-#define CEPH_LIBRBD_WATCHER_REWATCH_REQUEST_H
-
-#include "include/int_types.h"
-#include "include/rados/librados.hpp"
-
-struct Context;
-struct RWLock;
-
-namespace librbd {
-
-namespace watcher {
-
-class RewatchRequest {
-public:
-
- static RewatchRequest *create(librados::IoCtx& ioctx, const std::string& oid,
- RWLock &watch_lock,
- librados::WatchCtx2 *watch_ctx,
- uint64_t *watch_handle, Context *on_finish) {
- return new RewatchRequest(ioctx, oid, watch_lock, watch_ctx, watch_handle,
- on_finish);
- }
-
- RewatchRequest(librados::IoCtx& ioctx, const std::string& oid,
- RWLock &watch_lock, librados::WatchCtx2 *watch_ctx,
- uint64_t *watch_handle, Context *on_finish);
-
- void send();
-
-private:
- /**
- * @verbatim
- *
- * <start>
- * |
- * v
- * UNWATCH
- * |
- * | . . . .
- * | . . (recoverable error)
- * v v .
- * REWATCH . . .
- * |
- * v
- * <finish>
- *
- * @endverbatim
- */
-
- librados::IoCtx& m_ioctx;
- std::string m_oid;
- RWLock &m_watch_lock;
- librados::WatchCtx2 *m_watch_ctx;
- uint64_t *m_watch_handle;
- Context *m_on_finish;
-
- uint64_t m_rewatch_handle = 0;
-
- void unwatch();
- void handle_unwatch(int r);
-
- void rewatch();
- void handle_rewatch(int r);
-
- void finish(int r);
-};
-
-} // namespace watcher
-} // namespace librbd
-
-#endif // CEPH_LIBRBD_WATCHER_REWATCH_REQUEST_H