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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:45:59 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:45:59 +0000 |
commit | 19fcec84d8d7d21e796c7624e521b60d28ee21ed (patch) | |
tree | 42d26aa27d1e3f7c0b8bd3fd14e7d7082f5008dc /src/librbd/operation/SnapshotProtectRequest.h | |
parent | Initial commit. (diff) | |
download | ceph-19fcec84d8d7d21e796c7624e521b60d28ee21ed.tar.xz ceph-19fcec84d8d7d21e796c7624e521b60d28ee21ed.zip |
Adding upstream version 16.2.11+ds.upstream/16.2.11+dsupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | src/librbd/operation/SnapshotProtectRequest.h | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/src/librbd/operation/SnapshotProtectRequest.h b/src/librbd/operation/SnapshotProtectRequest.h new file mode 100644 index 000000000..bef80229a --- /dev/null +++ b/src/librbd/operation/SnapshotProtectRequest.h @@ -0,0 +1,68 @@ +// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*- +// vim: ts=8 sw=2 smarttab + +#ifndef CEPH_LIBRBD_OPERATION_SNAPSHOT_PROTECT_REQUEST_H +#define CEPH_LIBRBD_OPERATION_SNAPSHOT_PROTECT_REQUEST_H + +#include "librbd/operation/Request.h" +#include <string> + +class Context; + +namespace librbd { + +class ImageCtx; + +namespace operation { + +template <typename ImageCtxT = ImageCtx> +class SnapshotProtectRequest : public Request<ImageCtxT> { +public: + /** + * Snap Protect goes through the following state machine: + * + * @verbatim + * + * <start> + * | + * v + * STATE_PROTECT_SNAP + * | + * v + * <finish> + * + * @endverbatim + * + */ + enum State { + STATE_PROTECT_SNAP + }; + + SnapshotProtectRequest(ImageCtxT &image_ctx, Context *on_finish, + const cls::rbd::SnapshotNamespace &snap_namespace, + const std::string &snap_name); + +protected: + void send_op() override; + bool should_complete(int r) override; + + journal::Event create_event(uint64_t op_tid) const override { + return journal::SnapProtectEvent(op_tid, m_snap_namespace, m_snap_name); + } + +private: + cls::rbd::SnapshotNamespace m_snap_namespace; + std::string m_snap_name; + State m_state; + + void send_protect_snap(); + + int verify_and_send_protect_snap(); +}; + +} // namespace operation +} // namespace librbd + +extern template class librbd::operation::SnapshotProtectRequest<librbd::ImageCtx>; + +#endif // CEPH_LIBRBD_OPERATION_SNAPSHOT_PROTECT_REQUEST_H |