diff options
Diffstat (limited to 'src/rocksdb/tools/sst_dump_tool_imp.h')
-rw-r--r-- | src/rocksdb/tools/sst_dump_tool_imp.h | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/src/rocksdb/tools/sst_dump_tool_imp.h b/src/rocksdb/tools/sst_dump_tool_imp.h new file mode 100644 index 00000000..846738a4 --- /dev/null +++ b/src/rocksdb/tools/sst_dump_tool_imp.h @@ -0,0 +1,84 @@ +// 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 +#ifndef ROCKSDB_LITE + +#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 SstFileDumper { + public: + explicit SstFileDumper(const Options& options, 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*>>& + compression_types); + + private: + // 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, + std::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_; + std::unique_ptr<TableReader> table_reader_; + std::unique_ptr<RandomAccessFileReader> file_; + + const ImmutableCFOptions ioptions_; + const MutableCFOptions moptions_; + InternalKeyComparator internal_comparator_; + std::unique_ptr<TableProperties> table_properties_; +}; + +} // namespace rocksdb + +#endif // ROCKSDB_LITE |