X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=src%2Fceph%2Fsrc%2Flibrbd%2Foperation%2FSnapshotProtectRequest.h;fp=src%2Fceph%2Fsrc%2Flibrbd%2Foperation%2FSnapshotProtectRequest.h;h=bef80229af6e320e88acea9546815d9efcb465be;hb=812ff6ca9fcd3e629e49d4328905f33eee8ca3f5;hp=0000000000000000000000000000000000000000;hpb=15280273faafb77777eab341909a3f495cf248d9;p=stor4nfv.git diff --git a/src/ceph/src/librbd/operation/SnapshotProtectRequest.h b/src/ceph/src/librbd/operation/SnapshotProtectRequest.h new file mode 100644 index 0000000..bef8022 --- /dev/null +++ b/src/ceph/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 + +class Context; + +namespace librbd { + +class ImageCtx; + +namespace operation { + +template +class SnapshotProtectRequest : public Request { +public: + /** + * Snap Protect goes through the following state machine: + * + * @verbatim + * + * + * | + * v + * STATE_PROTECT_SNAP + * | + * v + * + * + * @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; + +#endif // CEPH_LIBRBD_OPERATION_SNAPSHOT_PROTECT_REQUEST_H