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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_OPERATION_OBJECT_MAP_ITERATE_H
#define CEPH_LIBRBD_OPERATION_OBJECT_MAP_ITERATE_H
#include <iostream>
#include <atomic>
#include "include/int_types.h"
#include "include/rbd/object_map_types.h"
#include "librbd/AsyncRequest.h"
namespace librbd {
class ImageCtx;
class ProgressContext;
namespace operation {
template <typename ImageCtxT = ImageCtx>
using ObjectIterateWork = bool(*)(ImageCtxT &image_ctx,
uint64_t object_no,
uint8_t current_state,
uint8_t new_state);
template <typename ImageCtxT = ImageCtx>
class ObjectMapIterateRequest : public AsyncRequest<ImageCtxT> {
public:
ObjectMapIterateRequest(ImageCtxT &image_ctx, Context *on_finish,
ProgressContext &prog_ctx,
ObjectIterateWork<ImageCtxT> handle_mismatch)
: AsyncRequest<ImageCtxT>(image_ctx, on_finish), m_image_ctx(image_ctx),
m_prog_ctx(prog_ctx), m_handle_mismatch(handle_mismatch)
{
}
void send() override;
protected:
bool should_complete(int r) override;
private:
enum State {
STATE_VERIFY_OBJECTS,
STATE_INVALIDATE_OBJECT_MAP
};
ImageCtxT &m_image_ctx;
ProgressContext &m_prog_ctx;
ObjectIterateWork<ImageCtxT> m_handle_mismatch;
std::atomic_flag m_invalidate = ATOMIC_FLAG_INIT;
State m_state = STATE_VERIFY_OBJECTS;
void send_verify_objects();
void send_invalidate_object_map();
uint64_t get_image_size() const;
};
} // namespace operation
} // namespace librbd
extern template class librbd::operation::ObjectMapIterateRequest<librbd::ImageCtx>;
#endif
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