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// Copyright (c) 2011-present, Facebook, Inc. All rights reserved.
// This source code is licensed under both the GPLv2 (found in the
// COPYING file in the root directory) and Apache 2.0 License
// (found in the LICENSE.Apache file in the root directory).
#pragma once
#include "rocksdb/sst_dump_tool.h"
#include <memory>
#include <string>
#include "db/dbformat.h"
#include "options/cf_options.h"
#include "util/file_reader_writer.h"
namespace rocksdb {
class SstFileReader {
explicit SstFileReader(const std::string& file_name, bool verify_checksum,
bool output_hex);
Status ReadSequential(bool print_kv, uint64_t read_num, bool has_from,
const std::string& from_key, bool has_to,
const std::string& to_key,
bool use_from_as_prefix = false);
Status ReadTableProperties(
std::shared_ptr<const TableProperties>* table_properties);
uint64_t GetReadNumber() { return read_num_; }
TableProperties* GetInitTableProperties() { return table_properties_.get(); }
Status VerifyChecksum();
Status DumpTable(const std::string& out_filename);
Status getStatus() { return init_result_; }
int ShowAllCompressionSizes(
size_t block_size,
const std::vector<std::pair<CompressionType, const char*>>&
// Get the TableReader implementation for the sst file
Status GetTableReader(const std::string& file_path);
Status ReadTableProperties(uint64_t table_magic_number,
RandomAccessFileReader* file, uint64_t file_size);
uint64_t CalculateCompressedTableSize(const TableBuilderOptions& tb_options,
size_t block_size);
Status SetTableOptionsByMagicNumber(uint64_t table_magic_number);
Status SetOldTableOptions();
// Helper function to call the factory with settings specific to the
// factory implementation
Status NewTableReader(const ImmutableCFOptions& ioptions,
const EnvOptions& soptions,
const InternalKeyComparator& internal_comparator,
uint64_t file_size,
unique_ptr<TableReader>* table_reader);
std::string file_name_;
uint64_t read_num_;
bool verify_checksum_;
bool output_hex_;
EnvOptions soptions_;
// options_ and internal_comparator_ will also be used in
// ReadSequential internally (specifically, seek-related operations)
Options options_;
Status init_result_;
unique_ptr<TableReader> table_reader_;
unique_ptr<RandomAccessFileReader> file_;
const ImmutableCFOptions ioptions_;
InternalKeyComparator internal_comparator_;
unique_ptr<TableProperties> table_properties_;
} // namespace rocksdb
#endif // ROCKSDB_LITE