monero/src/blockchain_utilities/blocksdat_file.h

// Copyright (c) 2014-2016, The Monero Project
//
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//
// Redistribution and use in source and binary forms, with or without modification, are
// permitted provided that the following conditions are met:
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//    conditions and the following disclaimer.
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// 2. Redistributions in binary form must reproduce the above copyright notice, this list
//    of conditions and the following disclaimer in the documentation and/or other
//    materials provided with the distribution.
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// 3. Neither the name of the copyright holder nor the names of its contributors may be
//    used to endorse or promote products derived from this software without specific
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
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#pragma once

#include <boost/iostreams/stream_buffer.hpp>
#include <boost/iostreams/stream.hpp>
#include <boost/iostreams/device/back_inserter.hpp>

#include <boost/iostreams/filtering_streambuf.hpp>

#include "cryptonote_basic/cryptonote_basic.h"
#include "cryptonote_basic/cryptonote_boost_serialization.h"
#include "cryptonote_core/blockchain.h"
#include "blockchain_db/blockchain_db.h"
#include "blockchain_db/lmdb/db_lmdb.h"

#include <algorithm>
#include <cstdio>
#include <fstream>
#include <boost/iostreams/copy.hpp>
#include <atomic>

#include "common/command_line.h"
#include "version.h"

#include "blockchain_utilities.h"


using namespace cryptonote;


class BlocksdatFile
{
public:

  bool store_blockchain_raw(cryptonote::Blockchain* cs, cryptonote::tx_memory_pool* txp,
      boost::filesystem::path& output_file, uint64_t use_block_height=0);

protected:

  Blockchain* m_blockchain_storage;

  std::ofstream * m_raw_data_file;

  // open export file for write
  bool open_writer(const boost::filesystem::path& file_path, uint64_t block_stop);
  bool initialize_file(uint64_t block_stop);
  bool close();
  void write_block(const crypto::hash &block_hash);

private:

  uint64_t m_cur_height; // tracks current height during export
};