--- /dev/null
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+
+#ifndef RBD_MIRROR_IMAGE_REPLAYER_PREPARE_REMOTE_IMAGE_REQUEST_H
+#define RBD_MIRROR_IMAGE_REPLAYER_PREPARE_REMOTE_IMAGE_REQUEST_H
+
+#include "include/buffer.h"
+#include <string>
+
+namespace librados { struct IoCtx; }
+namespace librbd { struct ImageCtx; }
+
+struct Context;
+struct ContextWQ;
+
+namespace rbd {
+namespace mirror {
+namespace image_replayer {
+
+template <typename ImageCtxT = librbd::ImageCtx>
+class PrepareRemoteImageRequest {
+public:
+ static PrepareRemoteImageRequest *create(librados::IoCtx &io_ctx,
+ const std::string &global_image_id,
+ std::string *remote_mirror_uuid,
+ std::string *remote_image_id,
+ Context *on_finish) {
+ return new PrepareRemoteImageRequest(io_ctx, global_image_id,
+ remote_mirror_uuid, remote_image_id,
+ on_finish);
+ }
+
+ PrepareRemoteImageRequest(librados::IoCtx &io_ctx,
+ const std::string &global_image_id,
+ std::string *remote_mirror_uuid,
+ std::string *remote_image_id,
+ Context *on_finish)
+ : m_io_ctx(io_ctx), m_global_image_id(global_image_id),
+ m_remote_mirror_uuid(remote_mirror_uuid),
+ m_remote_image_id(remote_image_id),
+ m_on_finish(on_finish) {
+ }
+
+ void send();
+
+private:
+ /**
+ * @verbatim
+ *
+ * <start>
+ * |
+ * v
+ * GET_REMOTE_MIRROR_UUID
+ * |
+ * v
+ * GET_REMOTE_IMAGE_ID
+ * |
+ * v
+ * <finish>
+
+ * @endverbatim
+ */
+
+ librados::IoCtx &m_io_ctx;
+ std::string m_global_image_id;
+ std::string *m_remote_mirror_uuid;
+ std::string *m_remote_image_id;
+ Context *m_on_finish;
+
+ bufferlist m_out_bl;
+
+ void get_remote_mirror_uuid();
+ void handle_get_remote_mirror_uuid(int r);
+
+ void get_remote_image_id();
+ void handle_get_remote_image_id(int r);
+
+ void finish(int r);
+
+};
+
+} // namespace image_replayer
+} // namespace mirror
+} // namespace rbd
+
+extern template class rbd::mirror::image_replayer::PrepareRemoteImageRequest<librbd::ImageCtx>;
+
+#endif // RBD_MIRROR_IMAGE_REPLAYER_PREPARE_REMOTE_IMAGE_REQUEST_H