diff options
Diffstat (limited to 'src/tools/rbd_mirror/pool_watcher/RefreshImagesRequest.h')
-rw-r--r-- | src/tools/rbd_mirror/pool_watcher/RefreshImagesRequest.h | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/src/tools/rbd_mirror/pool_watcher/RefreshImagesRequest.h b/src/tools/rbd_mirror/pool_watcher/RefreshImagesRequest.h new file mode 100644 index 000000000..8bfeabe29 --- /dev/null +++ b/src/tools/rbd_mirror/pool_watcher/RefreshImagesRequest.h @@ -0,0 +1,73 @@ +// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*- +// vim: ts=8 sw=2 smarttab + +#ifndef CEPH_RBD_MIRROR_POOL_WATCHER_REFRESH_IMAGES_REQUEST_H +#define CEPH_RBD_MIRROR_POOL_WATCHER_REFRESH_IMAGES_REQUEST_H + +#include "include/buffer.h" +#include "include/rados/librados.hpp" +#include "tools/rbd_mirror/Types.h" +#include <string> + +struct Context; + +namespace librbd { struct ImageCtx; } + +namespace rbd { +namespace mirror { +namespace pool_watcher { + +template <typename ImageCtxT = librbd::ImageCtx> +class RefreshImagesRequest { +public: + static RefreshImagesRequest *create(librados::IoCtx &remote_io_ctx, + ImageIds *image_ids, Context *on_finish) { + return new RefreshImagesRequest(remote_io_ctx, image_ids, on_finish); + } + + RefreshImagesRequest(librados::IoCtx &remote_io_ctx, ImageIds *image_ids, + Context *on_finish) + : m_remote_io_ctx(remote_io_ctx), m_image_ids(image_ids), + m_on_finish(on_finish) { + } + + void send(); + +private: + /** + * @verbatim + * + * <start> + * | + * | /-------------\ + * | | | + * v v | (more images) + * MIRROR_IMAGE_LIST ---/ + * | + * v + * <finish> + * + * @endverbatim + */ + + librados::IoCtx &m_remote_io_ctx; + ImageIds *m_image_ids; + Context *m_on_finish; + + bufferlist m_out_bl; + std::string m_start_after; + + void mirror_image_list(); + void handle_mirror_image_list(int r); + + void finish(int r); + +}; + +} // namespace pool_watcher +} // namespace mirror +} // namespace rbd + +extern template class rbd::mirror::pool_watcher::RefreshImagesRequest<librbd::ImageCtx>; + +#endif // CEPH_RBD_MIRROR_POOL_WATCHER_REFRESH_IMAGES_REQUEST_H |