1 files changed, 65 insertions, 0 deletions
diff --git a/src/tools/rbd_mirror/image_map/UpdateRequest.h b/src/tools/rbd_mirror/image_map/UpdateRequest.h
new file mode 100644
index 000000000..841cc6f9b
--- /dev/null
+++ b/src/tools/rbd_mirror/image_map/UpdateRequest.h
@@ -0,0 +1,65 @@
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+
+#ifndef CEPH_RBD_MIRROR_IMAGE_MAP_UPDATE_REQUEST_H
+#define CEPH_RBD_MIRROR_IMAGE_MAP_UPDATE_REQUEST_H
+
+#include "cls/rbd/cls_rbd_types.h"
+#include "include/rados/librados.hpp"
+
+class Context;
+
+namespace librbd { class ImageCtx; }
+
+namespace rbd {
+namespace mirror {
+namespace image_map {
+
+template<typename ImageCtxT = librbd::ImageCtx>
+class UpdateRequest {
+public:
+  // accepts an image map for updation and a collection of
+  // global image ids to purge.
+  static UpdateRequest *create(librados::IoCtx &ioctx,
+                               std::map<std::string, cls::rbd::MirrorImageMap> &&update_mapping,
+                               std::set<std::string> &&remove_global_image_ids, Context *on_finish) {
+    return new UpdateRequest(ioctx, std::move(update_mapping), std::move(remove_global_image_ids),
+                             on_finish);
+  }
+
+  void send();
+
+private:
+  /**
+   * @verbatim
+   *
+   *     <start>
+   *        |       . . . . . . . .
+   *        v       v             . MAX_UPDATE
+   *  UPDATE_IMAGE_MAP. . . . . . .
+   *        |
+   *        v
+   *    <finish>
+   *
+   * @endverbatim
+   */
+  UpdateRequest(librados::IoCtx &ioctx,
+                std::map<std::string, cls::rbd::MirrorImageMap> &&update_mapping,
+                std::set<std::string> &&remove_global_image_ids, Context *on_finish);
+
+  librados::IoCtx &m_ioctx;
+  std::map<std::string, cls::rbd::MirrorImageMap> m_update_mapping;
+  std::set<std::string> m_remove_global_image_ids;
+  Context *m_on_finish;
+
+  void update_image_map();
+  void handle_update_image_map(int r);
+
+  void finish(int r);
+};
+
+} // namespace image_map
+} // namespace mirror
+} // namespace rbd
+
+#endif // CEPH_RBD_MIRROR_IMAGE_MAP_UPDATE_REQUEST_H