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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_RBD_REPLAY_BUFFER_READER_H
#define CEPH_RBD_REPLAY_BUFFER_READER_H
#include "include/int_types.h"
#include "include/buffer.h"
namespace rbd_replay {
class BufferReader {
public:
static const size_t DEFAULT_MIN_BYTES = 1<<20;
static const size_t DEFAULT_MAX_BYTES = 1<<22;
BufferReader(int fd, size_t min_bytes = DEFAULT_MIN_BYTES,
size_t max_bytes = DEFAULT_MAX_BYTES);
int fetch(bufferlist::const_iterator **it);
private:
int m_fd;
size_t m_min_bytes;
size_t m_max_bytes;
bufferlist m_bl;
bufferlist::const_iterator m_bl_it;
bool m_eof_reached;
};
} // namespace rbd_replay
#endif // CEPH_RBD_REPLAY_BUFFER_READER_H
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