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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_PLUGIN_API_H
#define CEPH_LIBRBD_PLUGIN_API_H
#include "common/Timer.h"
#include "common/ceph_mutex.h"
#include "include/common_fwd.h"
#include "include/int_types.h"
#include "include/rados/librados.hpp"
#include "librbd/io/Types.h"
#include "librbd/io/ReadResult.h"
namespace ZTracer { struct Trace; }
namespace librbd {
namespace io {
class AioCompletion;
class C_AioRequest;
}
struct ImageCtx;
namespace plugin {
template <typename ImageCtxT>
struct Api {
using Extents = librbd::io::Extents;
Api() {}
virtual ~Api() {}
virtual void read_parent(
ImageCtxT *image_ctx, uint64_t object_no, io::ReadExtents* extents,
librados::snap_t snap_id, const ZTracer::Trace &trace,
Context* on_finish);
virtual void execute_image_metadata_set(
ImageCtxT *image_ctx,
const std::string &key,
const std::string &value,
Context *on_finish);
virtual void execute_image_metadata_remove(
ImageCtxT *image_ctx,
const std::string &key,
Context *on_finish);
virtual void get_image_timer_instance(
CephContext *cct, SafeTimer **timer,
ceph::mutex **timer_lock);
virtual bool test_image_features(
ImageCtxT *image_ctx,
uint64_t features);
virtual void update_aio_comp(
io::AioCompletion* aio_comp,
uint32_t request_count,
io::ReadResult& read_result,
io::Extents &image_extents);
virtual void update_aio_comp(
io::AioCompletion* aio_comp,
uint32_t request_count);
virtual io::ReadResult::C_ImageReadRequest* create_image_read_request(
io::AioCompletion* aio_comp, uint64_t buffer_offset,
const Extents& image_extents);
virtual io::C_AioRequest* create_aio_request(io::AioCompletion* aio_comp);
private:
void start_in_flight_io(io::AioCompletion* aio_comp);
};
} // namespace plugin
} // namespace librbd
extern template class librbd::plugin::Api<librbd::ImageCtx>;
#endif // CEPH_LIBRBD_PLUGIN_API_H
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