diff options
Diffstat (limited to 'src/librbd/crypto/LoadRequest.h')
-rw-r--r-- | src/librbd/crypto/LoadRequest.h | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/src/librbd/crypto/LoadRequest.h b/src/librbd/crypto/LoadRequest.h new file mode 100644 index 000000000..84f595bb6 --- /dev/null +++ b/src/librbd/crypto/LoadRequest.h @@ -0,0 +1,58 @@ +// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*- +// vim: ts=8 sw=2 smarttab + +#ifndef CEPH_LIBRBD_CRYPTO_LOAD_REQUEST_H +#define CEPH_LIBRBD_CRYPTO_LOAD_REQUEST_H + +#include "include/rbd/librbd.hpp" +#include "librbd/ImageCtx.h" + +struct Context; + +namespace librbd { + +class ImageCtx; + +namespace crypto { + +template <typename I> +class LoadRequest { +public: + using EncryptionFormat = decltype(I::encryption_format); + + static constexpr char UNKNOWN_FORMAT[] = "<unknown>"; + + static LoadRequest* create( + I* image_ctx, std::vector<EncryptionFormat>&& formats, + Context* on_finish) { + return new LoadRequest(image_ctx, std::move(formats), on_finish); + } + + LoadRequest(I* image_ctx, std::vector<EncryptionFormat>&& formats, + Context* on_finish); + void send(); + void flush(); + void handle_flush(int r); + void load(); + void handle_load(int r); + void invalidate_cache(); + void handle_invalidate_cache(int r); + void finish(int r); + +private: + I* m_image_ctx; + Context* m_on_finish; + + size_t m_format_idx; + bool m_is_current_format_cloned; + std::vector<EncryptionFormat> m_formats; + I* m_current_image_ctx; + std::string m_detected_format_name; +}; + +} // namespace crypto +} // namespace librbd + +extern template class librbd::crypto::LoadRequest<librbd::ImageCtx>; + +#endif // CEPH_LIBRBD_CRYPTO_LOAD_REQUEST_H |