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// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
// vim: ts=8 sw=2 smarttab
#ifndef CEPH_LIBRBD_CRYPTO_CRYPTO_OBJECT_DISPATCH_H
#define CEPH_LIBRBD_CRYPTO_CRYPTO_OBJECT_DISPATCH_H
#include "librbd/crypto/CryptoInterface.h"
#include "librbd/io/Types.h"
#include "librbd/io/ObjectDispatchInterface.h"
namespace librbd {
struct ImageCtx;
namespace crypto {
template <typename ImageCtxT = librbd::ImageCtx>
class CryptoObjectDispatch : public io::ObjectDispatchInterface {
public:
static CryptoObjectDispatch* create(
ImageCtxT* image_ctx, CryptoInterface* crypto) {
return new CryptoObjectDispatch(image_ctx, crypto);
}
CryptoObjectDispatch(ImageCtxT* image_ctx,
CryptoInterface* crypto);
io::ObjectDispatchLayer get_dispatch_layer() const override {
return io::OBJECT_DISPATCH_LAYER_CRYPTO;
}
void shut_down(Context* on_finish) override;
bool read(
uint64_t object_no, io::ReadExtents* extents, IOContext io_context,
int op_flags, int read_flags, const ZTracer::Trace &parent_trace,
uint64_t* version, int* object_dispatch_flags,
io::DispatchResult* dispatch_result, Context** on_finish,
Context* on_dispatched) override;
bool discard(
uint64_t object_no, uint64_t object_off, uint64_t object_len,
IOContext io_context, int discard_flags,
const ZTracer::Trace &parent_trace, int* object_dispatch_flags,
uint64_t* journal_tid, io::DispatchResult* dispatch_result,
Context** on_finish, Context* on_dispatched) override;
bool write(
uint64_t object_no, uint64_t object_off, ceph::bufferlist&& data,
IOContext io_context, int op_flags, int write_flags,
std::optional<uint64_t> assert_version,
const ZTracer::Trace &parent_trace, int* object_dispatch_flags,
uint64_t* journal_tid, io::DispatchResult* dispatch_result,
Context** on_finish, Context* on_dispatched) override;
bool write_same(
uint64_t object_no, uint64_t object_off, uint64_t object_len,
io::LightweightBufferExtents&& buffer_extents, ceph::bufferlist&& data,
IOContext io_context, int op_flags,
const ZTracer::Trace &parent_trace, int* object_dispatch_flags,
uint64_t* journal_tid, io::DispatchResult* dispatch_result,
Context** on_finish, Context* on_dispatched) override;
bool compare_and_write(
uint64_t object_no, uint64_t object_off, ceph::bufferlist&& cmp_data,
ceph::bufferlist&& write_data, IOContext io_context, int op_flags,
const ZTracer::Trace &parent_trace, uint64_t* mismatch_offset,
int* object_dispatch_flags, uint64_t* journal_tid,
io::DispatchResult* dispatch_result, Context** on_finish,
Context* on_dispatched) override;
bool flush(
io::FlushSource flush_source, const ZTracer::Trace &parent_trace,
uint64_t* journal_tid, io::DispatchResult* dispatch_result,
Context** on_finish, Context* on_dispatched) override {
return false;
}
bool list_snaps(
uint64_t object_no, io::Extents&& extents, io::SnapIds&& snap_ids,
int list_snap_flags, const ZTracer::Trace &parent_trace,
io::SnapshotDelta* snapshot_delta, int* object_dispatch_flags,
io::DispatchResult* dispatch_result, Context** on_finish,
Context* on_dispatched) override {
return false;
}
bool invalidate_cache(Context* on_finish) override {
return false;
}
bool reset_existence_cache(Context* on_finish) override {
return false;
}
void extent_overwritten(
uint64_t object_no, uint64_t object_off, uint64_t object_len,
uint64_t journal_tid, uint64_t new_journal_tid) override {
}
int prepare_copyup(
uint64_t object_no,
io::SnapshotSparseBufferlist* snapshot_sparse_bufferlist) override;
private:
ImageCtxT* m_image_ctx;
CryptoInterface* m_crypto;
uint64_t m_data_offset_object_no;
};
} // namespace crypto
} // namespace librbd
extern template class librbd::crypto::CryptoObjectDispatch<librbd::ImageCtx>;
#endif // CEPH_LIBRBD_CRYPTO_CRYPTO_OBJECT_DISPATCH_H
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