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// Copyright (c) 2019 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#ifndef BITCOIN_FLATFILE_H
#define BITCOIN_FLATFILE_H
#include <chain.h>
#include <fs.h>
/**
* FlatFileSeq represents a sequence of numbered files storing raw data. This class facilitates
* access to and efficient management of these files.
*/
class FlatFileSeq
{
private:
const fs::path m_dir;
const char* const m_prefix;
const size_t m_chunk_size;
public:
/**
* Constructor
*
* @param dir The base directory that all files live in.
* @param prefix A short prefix given to all file names.
* @param chunk_size Disk space is pre-allocated in multiples of this amount.
*/
FlatFileSeq(fs::path dir, const char* prefix, size_t chunk_size);
/** Get the name of the file at the given position. */
fs::path FileName(const CDiskBlockPos& pos) const;
};
#endif // BITCOIN_FLATFILE_H
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