initial code repo

[stor4nfv.git] / src / ceph / src / tools / rbd_mirror / MirrorStatusWatcher.h

diff --git a/src/ceph/src/tools/rbd_mirror/MirrorStatusWatcher.h b/src/ceph/src/tools/rbd_mirror/MirrorStatusWatcher.h
new file mode 100644 (file)
index 0000000..155f8cc
--- /dev/null
+++ b/src/ceph/src/tools/rbd_mirror/MirrorStatusWatcher.h
@@ -0,0 +1,39 @@
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+
+#ifndef CEPH_RBD_MIRROR_MIRROR_STATUS_WATCHER_H
+#define CEPH_RBD_MIRROR_MIRROR_STATUS_WATCHER_H
+
+#include "librbd/Watcher.h"
+
+namespace librbd { class ImageCtx; }
+
+namespace rbd {
+namespace mirror {
+
+template <typename ImageCtxT = librbd::ImageCtx>
+class MirrorStatusWatcher : protected librbd::Watcher {
+public:
+  static MirrorStatusWatcher *create(librados::IoCtx &io_ctx,
+                                     ContextWQ *work_queue) {
+    return new MirrorStatusWatcher(io_ctx, work_queue);
+  }
+  void destroy() {
+    delete this;
+  }
+
+  MirrorStatusWatcher(librados::IoCtx &io_ctx, ContextWQ *work_queue);
+  ~MirrorStatusWatcher() override;
+
+  void init(Context *on_finish);
+  void shut_down(Context *on_finish);
+
+protected:
+  void handle_notify(uint64_t notify_id, uint64_t handle,
+                     uint64_t notifier_id, bufferlist &bl) override;
+};
+
+} // namespace mirror
+} // namespace rbd
+
+#endif // CEPH_RBD_MIRROR_MIRROR_STATUS_WATCHER_H