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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-21 11:54:28 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-21 11:54:28 +0000 |
commit | e6918187568dbd01842d8d1d2c808ce16a894239 (patch) | |
tree | 64f88b554b444a49f656b6c656111a145cbbaa28 /src/librbd/deep_copy/MetadataCopyRequest.h | |
parent | Initial commit. (diff) | |
download | ceph-upstream/18.2.2.tar.xz ceph-upstream/18.2.2.zip |
Adding upstream version 18.2.2.upstream/18.2.2
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/librbd/deep_copy/MetadataCopyRequest.h')
-rw-r--r-- | src/librbd/deep_copy/MetadataCopyRequest.h | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/src/librbd/deep_copy/MetadataCopyRequest.h b/src/librbd/deep_copy/MetadataCopyRequest.h new file mode 100644 index 000000000..8db55db96 --- /dev/null +++ b/src/librbd/deep_copy/MetadataCopyRequest.h @@ -0,0 +1,78 @@ +// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*- +// vim: ts=8 sw=2 smarttab + +#ifndef CEPH_LIBRBD_DEEP_COPY_METADATA_COPY_REQUEST_H +#define CEPH_LIBRBD_DEEP_COPY_METADATA_COPY_REQUEST_H + +#include "include/int_types.h" +#include "include/buffer.h" +#include "include/rados/librados.hpp" +#include "librbd/ImageCtx.h" +#include <map> +#include <string> + +class Context; + +namespace librbd { +namespace deep_copy { + +template <typename ImageCtxT = librbd::ImageCtx> +class MetadataCopyRequest { +public: + static MetadataCopyRequest* create(ImageCtxT *src_image_ctx, + ImageCtxT *dst_image_ctx, + Context *on_finish) { + return new MetadataCopyRequest(src_image_ctx, dst_image_ctx, on_finish); + } + + MetadataCopyRequest(ImageCtxT *src_image_ctx, ImageCtxT *dst_image_ctx, + Context *on_finish); + + void send(); + +private: + /** + * @verbatim + * + * <start> + * | + * v + * LIST_SRC_METADATA <------\ + * | | (repeat if additional + * v | metadata) + * SET_DST_METADATA --------/ + * | + * v + * <finish> + * + * @endverbatim + */ + typedef std::map<std::string, bufferlist> Metadata; + + ImageCtxT *m_src_image_ctx; + ImageCtxT *m_dst_image_ctx; + Context *m_on_finish; + + CephContext *m_cct; + bufferlist m_out_bl; + + std::map<std::string, bufferlist> m_metadata; + std::string m_last_metadata_key; + bool m_more_metadata = false; + + void list_src_metadata(); + void handle_list_src_metadata(int r); + + void set_dst_metadata(); + void handle_set_dst_metadata(int r); + + void finish(int r); + +}; + +} // namespace deep_copy +} // namespace librbd + +extern template class librbd::deep_copy::MetadataCopyRequest<librbd::ImageCtx>; + +#endif // CEPH_LIBRBD_DEEP_COPY_METADATA_COPY_REQUEST_H |