21696ba502
Summary: Replace dynamic_cast<> so that users can choose to build with RTTI off, so that they can save several bytes per object, and get tiny more memory available. Some nontrivial changes: 1. Add Comparator::GetRootComparator() to get around the internal comparator hack 2. Add the two experiemental functions to DB 3. Add TableFactory::GetOptionString() to avoid unnecessary casting to get the option string 4. Since 3 is done, move the parsing option functions for table factory to table factory files too, to be symmetric. Closes https://github.com/facebook/rocksdb/pull/2645 Differential Revision: D5502723 Pulled By: siying fbshipit-source-id: fd13cec5601cf68a554d87bfcf056f2ffa5fbf7c
1134 lines
43 KiB
C++
1134 lines
43 KiB
C++
// Copyright (c) 2011-present, Facebook, Inc. All rights reserved.
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// This source code is licensed under both the GPLv2 (found in the
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// COPYING file in the root directory) and Apache 2.0 License
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// (found in the LICENSE.Apache file in the root directory).
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#include "options/options_helper.h"
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#include <cassert>
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#include <cctype>
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#include <cstdlib>
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#include <unordered_set>
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#include <vector>
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#include "rocksdb/cache.h"
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#include "rocksdb/compaction_filter.h"
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#include "rocksdb/convenience.h"
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#include "rocksdb/filter_policy.h"
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#include "rocksdb/memtablerep.h"
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#include "rocksdb/merge_operator.h"
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#include "rocksdb/options.h"
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#include "rocksdb/rate_limiter.h"
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#include "rocksdb/slice_transform.h"
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#include "rocksdb/table.h"
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#include "table/block_based_table_factory.h"
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#include "table/plain_table_factory.h"
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#include "util/cast_util.h"
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#include "util/string_util.h"
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namespace rocksdb {
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DBOptions BuildDBOptions(const ImmutableDBOptions& immutable_db_options,
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const MutableDBOptions& mutable_db_options) {
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DBOptions options;
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options.create_if_missing = immutable_db_options.create_if_missing;
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options.create_missing_column_families =
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immutable_db_options.create_missing_column_families;
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options.error_if_exists = immutable_db_options.error_if_exists;
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options.paranoid_checks = immutable_db_options.paranoid_checks;
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options.env = immutable_db_options.env;
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options.rate_limiter = immutable_db_options.rate_limiter;
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options.sst_file_manager = immutable_db_options.sst_file_manager;
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options.info_log = immutable_db_options.info_log;
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options.info_log_level = immutable_db_options.info_log_level;
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options.max_open_files = mutable_db_options.max_open_files;
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options.max_file_opening_threads =
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immutable_db_options.max_file_opening_threads;
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options.max_total_wal_size = mutable_db_options.max_total_wal_size;
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options.statistics = immutable_db_options.statistics;
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options.use_fsync = immutable_db_options.use_fsync;
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options.db_paths = immutable_db_options.db_paths;
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options.db_log_dir = immutable_db_options.db_log_dir;
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options.wal_dir = immutable_db_options.wal_dir;
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options.delete_obsolete_files_period_micros =
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mutable_db_options.delete_obsolete_files_period_micros;
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options.max_background_jobs = mutable_db_options.max_background_jobs;
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options.base_background_compactions =
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mutable_db_options.base_background_compactions;
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options.max_background_compactions =
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mutable_db_options.max_background_compactions;
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options.max_subcompactions = immutable_db_options.max_subcompactions;
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options.max_background_flushes = immutable_db_options.max_background_flushes;
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options.max_log_file_size = immutable_db_options.max_log_file_size;
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options.log_file_time_to_roll = immutable_db_options.log_file_time_to_roll;
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options.keep_log_file_num = immutable_db_options.keep_log_file_num;
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options.recycle_log_file_num = immutable_db_options.recycle_log_file_num;
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options.max_manifest_file_size = immutable_db_options.max_manifest_file_size;
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options.table_cache_numshardbits =
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immutable_db_options.table_cache_numshardbits;
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options.WAL_ttl_seconds = immutable_db_options.wal_ttl_seconds;
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options.WAL_size_limit_MB = immutable_db_options.wal_size_limit_mb;
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options.manifest_preallocation_size =
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immutable_db_options.manifest_preallocation_size;
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options.allow_mmap_reads = immutable_db_options.allow_mmap_reads;
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options.allow_mmap_writes = immutable_db_options.allow_mmap_writes;
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options.use_direct_reads = immutable_db_options.use_direct_reads;
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options.use_direct_io_for_flush_and_compaction =
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immutable_db_options.use_direct_io_for_flush_and_compaction;
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options.allow_fallocate = immutable_db_options.allow_fallocate;
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options.is_fd_close_on_exec = immutable_db_options.is_fd_close_on_exec;
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options.stats_dump_period_sec = mutable_db_options.stats_dump_period_sec;
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options.advise_random_on_open = immutable_db_options.advise_random_on_open;
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options.db_write_buffer_size = immutable_db_options.db_write_buffer_size;
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options.write_buffer_manager = immutable_db_options.write_buffer_manager;
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options.access_hint_on_compaction_start =
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immutable_db_options.access_hint_on_compaction_start;
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options.new_table_reader_for_compaction_inputs =
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immutable_db_options.new_table_reader_for_compaction_inputs;
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options.compaction_readahead_size =
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immutable_db_options.compaction_readahead_size;
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options.random_access_max_buffer_size =
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immutable_db_options.random_access_max_buffer_size;
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options.writable_file_max_buffer_size =
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immutable_db_options.writable_file_max_buffer_size;
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options.use_adaptive_mutex = immutable_db_options.use_adaptive_mutex;
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options.bytes_per_sync = immutable_db_options.bytes_per_sync;
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options.wal_bytes_per_sync = immutable_db_options.wal_bytes_per_sync;
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options.listeners = immutable_db_options.listeners;
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options.enable_thread_tracking = immutable_db_options.enable_thread_tracking;
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options.delayed_write_rate = mutable_db_options.delayed_write_rate;
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options.allow_concurrent_memtable_write =
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immutable_db_options.allow_concurrent_memtable_write;
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options.enable_write_thread_adaptive_yield =
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immutable_db_options.enable_write_thread_adaptive_yield;
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options.write_thread_max_yield_usec =
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immutable_db_options.write_thread_max_yield_usec;
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options.write_thread_slow_yield_usec =
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immutable_db_options.write_thread_slow_yield_usec;
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options.skip_stats_update_on_db_open =
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immutable_db_options.skip_stats_update_on_db_open;
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options.wal_recovery_mode = immutable_db_options.wal_recovery_mode;
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options.allow_2pc = immutable_db_options.allow_2pc;
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options.row_cache = immutable_db_options.row_cache;
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#ifndef ROCKSDB_LITE
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options.wal_filter = immutable_db_options.wal_filter;
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#endif // ROCKSDB_LITE
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options.fail_if_options_file_error =
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immutable_db_options.fail_if_options_file_error;
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options.dump_malloc_stats = immutable_db_options.dump_malloc_stats;
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options.avoid_flush_during_recovery =
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immutable_db_options.avoid_flush_during_recovery;
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options.avoid_flush_during_shutdown =
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mutable_db_options.avoid_flush_during_shutdown;
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options.allow_ingest_behind =
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immutable_db_options.allow_ingest_behind;
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return options;
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}
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ColumnFamilyOptions BuildColumnFamilyOptions(
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const ColumnFamilyOptions& options,
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const MutableCFOptions& mutable_cf_options) {
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ColumnFamilyOptions cf_opts(options);
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// Memtable related options
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cf_opts.write_buffer_size = mutable_cf_options.write_buffer_size;
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cf_opts.max_write_buffer_number = mutable_cf_options.max_write_buffer_number;
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cf_opts.arena_block_size = mutable_cf_options.arena_block_size;
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cf_opts.memtable_prefix_bloom_size_ratio =
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mutable_cf_options.memtable_prefix_bloom_size_ratio;
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cf_opts.memtable_huge_page_size = mutable_cf_options.memtable_huge_page_size;
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cf_opts.max_successive_merges = mutable_cf_options.max_successive_merges;
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cf_opts.inplace_update_num_locks =
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mutable_cf_options.inplace_update_num_locks;
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// Compaction related options
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cf_opts.disable_auto_compactions =
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mutable_cf_options.disable_auto_compactions;
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cf_opts.level0_file_num_compaction_trigger =
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mutable_cf_options.level0_file_num_compaction_trigger;
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cf_opts.level0_slowdown_writes_trigger =
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mutable_cf_options.level0_slowdown_writes_trigger;
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cf_opts.level0_stop_writes_trigger =
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mutable_cf_options.level0_stop_writes_trigger;
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cf_opts.max_compaction_bytes = mutable_cf_options.max_compaction_bytes;
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cf_opts.target_file_size_base = mutable_cf_options.target_file_size_base;
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cf_opts.target_file_size_multiplier =
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mutable_cf_options.target_file_size_multiplier;
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cf_opts.max_bytes_for_level_base =
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mutable_cf_options.max_bytes_for_level_base;
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cf_opts.max_bytes_for_level_multiplier =
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mutable_cf_options.max_bytes_for_level_multiplier;
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cf_opts.max_bytes_for_level_multiplier_additional.clear();
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for (auto value :
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mutable_cf_options.max_bytes_for_level_multiplier_additional) {
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cf_opts.max_bytes_for_level_multiplier_additional.emplace_back(value);
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}
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// Misc options
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cf_opts.max_sequential_skip_in_iterations =
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mutable_cf_options.max_sequential_skip_in_iterations;
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cf_opts.paranoid_file_checks = mutable_cf_options.paranoid_file_checks;
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cf_opts.report_bg_io_stats = mutable_cf_options.report_bg_io_stats;
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cf_opts.compression = mutable_cf_options.compression;
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cf_opts.table_factory = options.table_factory;
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// TODO(yhchiang): find some way to handle the following derived options
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// * max_file_size
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return cf_opts;
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}
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#ifndef ROCKSDB_LITE
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namespace {
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template <typename T>
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bool ParseEnum(const std::unordered_map<std::string, T>& type_map,
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const std::string& type, T* value) {
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auto iter = type_map.find(type);
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if (iter != type_map.end()) {
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*value = iter->second;
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return true;
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}
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return false;
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}
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template <typename T>
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bool SerializeEnum(const std::unordered_map<std::string, T>& type_map,
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const T& type, std::string* value) {
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for (const auto& pair : type_map) {
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if (pair.second == type) {
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*value = pair.first;
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return true;
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}
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}
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return false;
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}
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bool SerializeVectorCompressionType(const std::vector<CompressionType>& types,
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std::string* value) {
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std::stringstream ss;
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bool result;
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for (size_t i = 0; i < types.size(); ++i) {
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if (i > 0) {
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ss << ':';
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}
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std::string string_type;
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result = SerializeEnum<CompressionType>(compression_type_string_map,
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types[i], &string_type);
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if (result == false) {
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return result;
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}
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ss << string_type;
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}
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*value = ss.str();
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return true;
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}
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bool ParseVectorCompressionType(
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const std::string& value,
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std::vector<CompressionType>* compression_per_level) {
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compression_per_level->clear();
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size_t start = 0;
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while (start < value.size()) {
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size_t end = value.find(':', start);
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bool is_ok;
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CompressionType type;
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if (end == std::string::npos) {
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is_ok = ParseEnum<CompressionType>(compression_type_string_map,
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value.substr(start), &type);
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if (!is_ok) {
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return false;
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}
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compression_per_level->emplace_back(type);
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break;
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} else {
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is_ok = ParseEnum<CompressionType>(
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compression_type_string_map, value.substr(start, end - start), &type);
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if (!is_ok) {
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return false;
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}
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compression_per_level->emplace_back(type);
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start = end + 1;
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}
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}
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return true;
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}
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bool ParseSliceTransformHelper(
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const std::string& kFixedPrefixName, const std::string& kCappedPrefixName,
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const std::string& value,
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std::shared_ptr<const SliceTransform>* slice_transform) {
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auto& pe_value = value;
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if (pe_value.size() > kFixedPrefixName.size() &&
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pe_value.compare(0, kFixedPrefixName.size(), kFixedPrefixName) == 0) {
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int prefix_length = ParseInt(trim(value.substr(kFixedPrefixName.size())));
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slice_transform->reset(NewFixedPrefixTransform(prefix_length));
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} else if (pe_value.size() > kCappedPrefixName.size() &&
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pe_value.compare(0, kCappedPrefixName.size(), kCappedPrefixName) ==
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0) {
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int prefix_length =
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ParseInt(trim(pe_value.substr(kCappedPrefixName.size())));
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slice_transform->reset(NewCappedPrefixTransform(prefix_length));
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} else if (value == kNullptrString) {
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slice_transform->reset();
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} else {
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return false;
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}
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return true;
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}
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bool ParseSliceTransform(
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const std::string& value,
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std::shared_ptr<const SliceTransform>* slice_transform) {
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// While we normally don't convert the string representation of a
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// pointer-typed option into its instance, here we do so for backward
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// compatibility as we allow this action in SetOption().
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// TODO(yhchiang): A possible better place for these serialization /
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// deserialization is inside the class definition of pointer-typed
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// option itself, but this requires a bigger change of public API.
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bool result =
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ParseSliceTransformHelper("fixed:", "capped:", value, slice_transform);
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if (result) {
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return result;
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}
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result = ParseSliceTransformHelper(
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"rocksdb.FixedPrefix.", "rocksdb.CappedPrefix.", value, slice_transform);
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if (result) {
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return result;
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}
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// TODO(yhchiang): we can further support other default
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// SliceTransforms here.
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return false;
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}
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} // anonymouse namespace
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bool ParseOptionHelper(char* opt_address, const OptionType& opt_type,
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const std::string& value) {
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switch (opt_type) {
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case OptionType::kBoolean:
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*reinterpret_cast<bool*>(opt_address) = ParseBoolean("", value);
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break;
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case OptionType::kInt:
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*reinterpret_cast<int*>(opt_address) = ParseInt(value);
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break;
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case OptionType::kVectorInt:
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*reinterpret_cast<std::vector<int>*>(opt_address) = ParseVectorInt(value);
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break;
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case OptionType::kUInt:
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*reinterpret_cast<unsigned int*>(opt_address) = ParseUint32(value);
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break;
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case OptionType::kUInt32T:
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*reinterpret_cast<uint32_t*>(opt_address) = ParseUint32(value);
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break;
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case OptionType::kUInt64T:
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PutUnaligned(reinterpret_cast<uint64_t*>(opt_address), ParseUint64(value));
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break;
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case OptionType::kSizeT:
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PutUnaligned(reinterpret_cast<size_t*>(opt_address), ParseSizeT(value));
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break;
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case OptionType::kString:
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*reinterpret_cast<std::string*>(opt_address) = value;
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break;
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case OptionType::kDouble:
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*reinterpret_cast<double*>(opt_address) = ParseDouble(value);
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break;
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case OptionType::kCompactionStyle:
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return ParseEnum<CompactionStyle>(
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compaction_style_string_map, value,
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reinterpret_cast<CompactionStyle*>(opt_address));
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case OptionType::kCompactionPri:
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return ParseEnum<CompactionPri>(
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compaction_pri_string_map, value,
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reinterpret_cast<CompactionPri*>(opt_address));
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case OptionType::kCompressionType:
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return ParseEnum<CompressionType>(
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compression_type_string_map, value,
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reinterpret_cast<CompressionType*>(opt_address));
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case OptionType::kVectorCompressionType:
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return ParseVectorCompressionType(
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value, reinterpret_cast<std::vector<CompressionType>*>(opt_address));
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case OptionType::kSliceTransform:
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return ParseSliceTransform(
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value, reinterpret_cast<std::shared_ptr<const SliceTransform>*>(
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opt_address));
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case OptionType::kChecksumType:
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return ParseEnum<ChecksumType>(
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checksum_type_string_map, value,
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reinterpret_cast<ChecksumType*>(opt_address));
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case OptionType::kBlockBasedTableIndexType:
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return ParseEnum<BlockBasedTableOptions::IndexType>(
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block_base_table_index_type_string_map, value,
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reinterpret_cast<BlockBasedTableOptions::IndexType*>(opt_address));
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case OptionType::kEncodingType:
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return ParseEnum<EncodingType>(
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encoding_type_string_map, value,
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reinterpret_cast<EncodingType*>(opt_address));
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case OptionType::kWALRecoveryMode:
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return ParseEnum<WALRecoveryMode>(
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wal_recovery_mode_string_map, value,
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reinterpret_cast<WALRecoveryMode*>(opt_address));
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case OptionType::kAccessHint:
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return ParseEnum<DBOptions::AccessHint>(
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access_hint_string_map, value,
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reinterpret_cast<DBOptions::AccessHint*>(opt_address));
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case OptionType::kInfoLogLevel:
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return ParseEnum<InfoLogLevel>(
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info_log_level_string_map, value,
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reinterpret_cast<InfoLogLevel*>(opt_address));
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default:
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return false;
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}
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return true;
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}
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bool SerializeSingleOptionHelper(const char* opt_address,
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const OptionType opt_type,
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std::string* value) {
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assert(value);
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switch (opt_type) {
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case OptionType::kBoolean:
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*value = *(reinterpret_cast<const bool*>(opt_address)) ? "true" : "false";
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break;
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case OptionType::kInt:
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*value = ToString(*(reinterpret_cast<const int*>(opt_address)));
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break;
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case OptionType::kVectorInt:
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return SerializeIntVector(
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*reinterpret_cast<const std::vector<int>*>(opt_address), value);
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case OptionType::kUInt:
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*value = ToString(*(reinterpret_cast<const unsigned int*>(opt_address)));
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break;
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case OptionType::kUInt32T:
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*value = ToString(*(reinterpret_cast<const uint32_t*>(opt_address)));
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break;
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case OptionType::kUInt64T:
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{
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uint64_t v;
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GetUnaligned(reinterpret_cast<const uint64_t*>(opt_address), &v);
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*value = ToString(v);
|
|
}
|
|
break;
|
|
case OptionType::kSizeT:
|
|
{
|
|
size_t v;
|
|
GetUnaligned(reinterpret_cast<const size_t*>(opt_address), &v);
|
|
*value = ToString(v);
|
|
}
|
|
break;
|
|
case OptionType::kDouble:
|
|
*value = ToString(*(reinterpret_cast<const double*>(opt_address)));
|
|
break;
|
|
case OptionType::kString:
|
|
*value = EscapeOptionString(
|
|
*(reinterpret_cast<const std::string*>(opt_address)));
|
|
break;
|
|
case OptionType::kCompactionStyle:
|
|
return SerializeEnum<CompactionStyle>(
|
|
compaction_style_string_map,
|
|
*(reinterpret_cast<const CompactionStyle*>(opt_address)), value);
|
|
case OptionType::kCompactionPri:
|
|
return SerializeEnum<CompactionPri>(
|
|
compaction_pri_string_map,
|
|
*(reinterpret_cast<const CompactionPri*>(opt_address)), value);
|
|
case OptionType::kCompressionType:
|
|
return SerializeEnum<CompressionType>(
|
|
compression_type_string_map,
|
|
*(reinterpret_cast<const CompressionType*>(opt_address)), value);
|
|
case OptionType::kVectorCompressionType:
|
|
return SerializeVectorCompressionType(
|
|
*(reinterpret_cast<const std::vector<CompressionType>*>(opt_address)),
|
|
value);
|
|
break;
|
|
case OptionType::kSliceTransform: {
|
|
const auto* slice_transform_ptr =
|
|
reinterpret_cast<const std::shared_ptr<const SliceTransform>*>(
|
|
opt_address);
|
|
*value = slice_transform_ptr->get() ? slice_transform_ptr->get()->Name()
|
|
: kNullptrString;
|
|
break;
|
|
}
|
|
case OptionType::kTableFactory: {
|
|
const auto* table_factory_ptr =
|
|
reinterpret_cast<const std::shared_ptr<const TableFactory>*>(
|
|
opt_address);
|
|
*value = table_factory_ptr->get() ? table_factory_ptr->get()->Name()
|
|
: kNullptrString;
|
|
break;
|
|
}
|
|
case OptionType::kComparator: {
|
|
// it's a const pointer of const Comparator*
|
|
const auto* ptr = reinterpret_cast<const Comparator* const*>(opt_address);
|
|
// Since the user-specified comparator will be wrapped by
|
|
// InternalKeyComparator, we should persist the user-specified one
|
|
// instead of InternalKeyComparator.
|
|
if (*ptr == nullptr) {
|
|
*value = kNullptrString;
|
|
} else {
|
|
const Comparator* root_comp = (*ptr)->GetRootComparator();
|
|
if (root_comp == nullptr) {
|
|
root_comp = (*ptr);
|
|
}
|
|
*value = root_comp->Name();
|
|
}
|
|
break;
|
|
}
|
|
case OptionType::kCompactionFilter: {
|
|
// it's a const pointer of const CompactionFilter*
|
|
const auto* ptr =
|
|
reinterpret_cast<const CompactionFilter* const*>(opt_address);
|
|
*value = *ptr ? (*ptr)->Name() : kNullptrString;
|
|
break;
|
|
}
|
|
case OptionType::kCompactionFilterFactory: {
|
|
const auto* ptr =
|
|
reinterpret_cast<const std::shared_ptr<CompactionFilterFactory>*>(
|
|
opt_address);
|
|
*value = ptr->get() ? ptr->get()->Name() : kNullptrString;
|
|
break;
|
|
}
|
|
case OptionType::kMemTableRepFactory: {
|
|
const auto* ptr =
|
|
reinterpret_cast<const std::shared_ptr<MemTableRepFactory>*>(
|
|
opt_address);
|
|
*value = ptr->get() ? ptr->get()->Name() : kNullptrString;
|
|
break;
|
|
}
|
|
case OptionType::kMergeOperator: {
|
|
const auto* ptr =
|
|
reinterpret_cast<const std::shared_ptr<MergeOperator>*>(opt_address);
|
|
*value = ptr->get() ? ptr->get()->Name() : kNullptrString;
|
|
break;
|
|
}
|
|
case OptionType::kFilterPolicy: {
|
|
const auto* ptr =
|
|
reinterpret_cast<const std::shared_ptr<FilterPolicy>*>(opt_address);
|
|
*value = ptr->get() ? ptr->get()->Name() : kNullptrString;
|
|
break;
|
|
}
|
|
case OptionType::kChecksumType:
|
|
return SerializeEnum<ChecksumType>(
|
|
checksum_type_string_map,
|
|
*reinterpret_cast<const ChecksumType*>(opt_address), value);
|
|
case OptionType::kBlockBasedTableIndexType:
|
|
return SerializeEnum<BlockBasedTableOptions::IndexType>(
|
|
block_base_table_index_type_string_map,
|
|
*reinterpret_cast<const BlockBasedTableOptions::IndexType*>(
|
|
opt_address),
|
|
value);
|
|
case OptionType::kFlushBlockPolicyFactory: {
|
|
const auto* ptr =
|
|
reinterpret_cast<const std::shared_ptr<FlushBlockPolicyFactory>*>(
|
|
opt_address);
|
|
*value = ptr->get() ? ptr->get()->Name() : kNullptrString;
|
|
break;
|
|
}
|
|
case OptionType::kEncodingType:
|
|
return SerializeEnum<EncodingType>(
|
|
encoding_type_string_map,
|
|
*reinterpret_cast<const EncodingType*>(opt_address), value);
|
|
case OptionType::kWALRecoveryMode:
|
|
return SerializeEnum<WALRecoveryMode>(
|
|
wal_recovery_mode_string_map,
|
|
*reinterpret_cast<const WALRecoveryMode*>(opt_address), value);
|
|
case OptionType::kAccessHint:
|
|
return SerializeEnum<DBOptions::AccessHint>(
|
|
access_hint_string_map,
|
|
*reinterpret_cast<const DBOptions::AccessHint*>(opt_address), value);
|
|
case OptionType::kInfoLogLevel:
|
|
return SerializeEnum<InfoLogLevel>(
|
|
info_log_level_string_map,
|
|
*reinterpret_cast<const InfoLogLevel*>(opt_address), value);
|
|
default:
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
Status GetMutableOptionsFromStrings(
|
|
const MutableCFOptions& base_options,
|
|
const std::unordered_map<std::string, std::string>& options_map,
|
|
MutableCFOptions* new_options) {
|
|
assert(new_options);
|
|
*new_options = base_options;
|
|
for (const auto& o : options_map) {
|
|
try {
|
|
auto iter = cf_options_type_info.find(o.first);
|
|
if (iter == cf_options_type_info.end()) {
|
|
return Status::InvalidArgument("Unrecognized option: " + o.first);
|
|
}
|
|
const auto& opt_info = iter->second;
|
|
if (!opt_info.is_mutable) {
|
|
return Status::InvalidArgument("Option not changeable: " + o.first);
|
|
}
|
|
bool is_ok = ParseOptionHelper(
|
|
reinterpret_cast<char*>(new_options) + opt_info.mutable_offset,
|
|
opt_info.type, o.second);
|
|
if (!is_ok) {
|
|
return Status::InvalidArgument("Error parsing " + o.first);
|
|
}
|
|
} catch (std::exception& e) {
|
|
return Status::InvalidArgument("Error parsing " + o.first + ":" +
|
|
std::string(e.what()));
|
|
}
|
|
}
|
|
return Status::OK();
|
|
}
|
|
|
|
Status GetMutableDBOptionsFromStrings(
|
|
const MutableDBOptions& base_options,
|
|
const std::unordered_map<std::string, std::string>& options_map,
|
|
MutableDBOptions* new_options) {
|
|
assert(new_options);
|
|
*new_options = base_options;
|
|
for (const auto& o : options_map) {
|
|
try {
|
|
auto iter = db_options_type_info.find(o.first);
|
|
if (iter == db_options_type_info.end()) {
|
|
return Status::InvalidArgument("Unrecognized option: " + o.first);
|
|
}
|
|
const auto& opt_info = iter->second;
|
|
if (!opt_info.is_mutable) {
|
|
return Status::InvalidArgument("Option not changeable: " + o.first);
|
|
}
|
|
bool is_ok = ParseOptionHelper(
|
|
reinterpret_cast<char*>(new_options) + opt_info.mutable_offset,
|
|
opt_info.type, o.second);
|
|
if (!is_ok) {
|
|
return Status::InvalidArgument("Error parsing " + o.first);
|
|
}
|
|
} catch (std::exception& e) {
|
|
return Status::InvalidArgument("Error parsing " + o.first + ":" +
|
|
std::string(e.what()));
|
|
}
|
|
}
|
|
return Status::OK();
|
|
}
|
|
|
|
Status StringToMap(const std::string& opts_str,
|
|
std::unordered_map<std::string, std::string>* opts_map) {
|
|
assert(opts_map);
|
|
// Example:
|
|
// opts_str = "write_buffer_size=1024;max_write_buffer_number=2;"
|
|
// "nested_opt={opt1=1;opt2=2};max_bytes_for_level_base=100"
|
|
size_t pos = 0;
|
|
std::string opts = trim(opts_str);
|
|
while (pos < opts.size()) {
|
|
size_t eq_pos = opts.find('=', pos);
|
|
if (eq_pos == std::string::npos) {
|
|
return Status::InvalidArgument("Mismatched key value pair, '=' expected");
|
|
}
|
|
std::string key = trim(opts.substr(pos, eq_pos - pos));
|
|
if (key.empty()) {
|
|
return Status::InvalidArgument("Empty key found");
|
|
}
|
|
|
|
// skip space after '=' and look for '{' for possible nested options
|
|
pos = eq_pos + 1;
|
|
while (pos < opts.size() && isspace(opts[pos])) {
|
|
++pos;
|
|
}
|
|
// Empty value at the end
|
|
if (pos >= opts.size()) {
|
|
(*opts_map)[key] = "";
|
|
break;
|
|
}
|
|
if (opts[pos] == '{') {
|
|
int count = 1;
|
|
size_t brace_pos = pos + 1;
|
|
while (brace_pos < opts.size()) {
|
|
if (opts[brace_pos] == '{') {
|
|
++count;
|
|
} else if (opts[brace_pos] == '}') {
|
|
--count;
|
|
if (count == 0) {
|
|
break;
|
|
}
|
|
}
|
|
++brace_pos;
|
|
}
|
|
// found the matching closing brace
|
|
if (count == 0) {
|
|
(*opts_map)[key] = trim(opts.substr(pos + 1, brace_pos - pos - 1));
|
|
// skip all whitespace and move to the next ';'
|
|
// brace_pos points to the next position after the matching '}'
|
|
pos = brace_pos + 1;
|
|
while (pos < opts.size() && isspace(opts[pos])) {
|
|
++pos;
|
|
}
|
|
if (pos < opts.size() && opts[pos] != ';') {
|
|
return Status::InvalidArgument(
|
|
"Unexpected chars after nested options");
|
|
}
|
|
++pos;
|
|
} else {
|
|
return Status::InvalidArgument(
|
|
"Mismatched curly braces for nested options");
|
|
}
|
|
} else {
|
|
size_t sc_pos = opts.find(';', pos);
|
|
if (sc_pos == std::string::npos) {
|
|
(*opts_map)[key] = trim(opts.substr(pos));
|
|
// It either ends with a trailing semi-colon or the last key-value pair
|
|
break;
|
|
} else {
|
|
(*opts_map)[key] = trim(opts.substr(pos, sc_pos - pos));
|
|
}
|
|
pos = sc_pos + 1;
|
|
}
|
|
}
|
|
|
|
return Status::OK();
|
|
}
|
|
|
|
Status ParseColumnFamilyOption(const std::string& name,
|
|
const std::string& org_value,
|
|
ColumnFamilyOptions* new_options,
|
|
bool input_strings_escaped = false) {
|
|
const std::string& value =
|
|
input_strings_escaped ? UnescapeOptionString(org_value) : org_value;
|
|
try {
|
|
if (name == "block_based_table_factory") {
|
|
// Nested options
|
|
BlockBasedTableOptions table_opt, base_table_options;
|
|
BlockBasedTableFactory* block_based_table_factory =
|
|
static_cast_with_check<BlockBasedTableFactory, TableFactory>(
|
|
new_options->table_factory.get());
|
|
if (block_based_table_factory != nullptr) {
|
|
base_table_options = block_based_table_factory->table_options();
|
|
}
|
|
Status table_opt_s = GetBlockBasedTableOptionsFromString(
|
|
base_table_options, value, &table_opt);
|
|
if (!table_opt_s.ok()) {
|
|
return Status::InvalidArgument(
|
|
"unable to parse the specified CF option " + name);
|
|
}
|
|
new_options->table_factory.reset(NewBlockBasedTableFactory(table_opt));
|
|
} else if (name == "plain_table_factory") {
|
|
// Nested options
|
|
PlainTableOptions table_opt, base_table_options;
|
|
PlainTableFactory* plain_table_factory =
|
|
static_cast_with_check<PlainTableFactory, TableFactory>(
|
|
new_options->table_factory.get());
|
|
if (plain_table_factory != nullptr) {
|
|
base_table_options = plain_table_factory->table_options();
|
|
}
|
|
Status table_opt_s = GetPlainTableOptionsFromString(
|
|
base_table_options, value, &table_opt);
|
|
if (!table_opt_s.ok()) {
|
|
return Status::InvalidArgument(
|
|
"unable to parse the specified CF option " + name);
|
|
}
|
|
new_options->table_factory.reset(NewPlainTableFactory(table_opt));
|
|
} else if (name == "memtable") {
|
|
std::unique_ptr<MemTableRepFactory> new_mem_factory;
|
|
Status mem_factory_s =
|
|
GetMemTableRepFactoryFromString(value, &new_mem_factory);
|
|
if (!mem_factory_s.ok()) {
|
|
return Status::InvalidArgument(
|
|
"unable to parse the specified CF option " + name);
|
|
}
|
|
new_options->memtable_factory.reset(new_mem_factory.release());
|
|
} else if (name == "compression_opts") {
|
|
size_t start = 0;
|
|
size_t end = value.find(':');
|
|
if (end == std::string::npos) {
|
|
return Status::InvalidArgument(
|
|
"unable to parse the specified CF option " + name);
|
|
}
|
|
new_options->compression_opts.window_bits =
|
|
ParseInt(value.substr(start, end - start));
|
|
start = end + 1;
|
|
end = value.find(':', start);
|
|
if (end == std::string::npos) {
|
|
return Status::InvalidArgument(
|
|
"unable to parse the specified CF option " + name);
|
|
}
|
|
new_options->compression_opts.level =
|
|
ParseInt(value.substr(start, end - start));
|
|
start = end + 1;
|
|
if (start >= value.size()) {
|
|
return Status::InvalidArgument(
|
|
"unable to parse the specified CF option " + name);
|
|
}
|
|
end = value.find(':', start);
|
|
new_options->compression_opts.strategy =
|
|
ParseInt(value.substr(start, value.size() - start));
|
|
// max_dict_bytes is optional for backwards compatibility
|
|
if (end != std::string::npos) {
|
|
start = end + 1;
|
|
if (start >= value.size()) {
|
|
return Status::InvalidArgument(
|
|
"unable to parse the specified CF option " + name);
|
|
}
|
|
new_options->compression_opts.max_dict_bytes =
|
|
ParseInt(value.substr(start, value.size() - start));
|
|
}
|
|
} else if (name == "compaction_options_fifo") {
|
|
new_options->compaction_options_fifo.max_table_files_size =
|
|
ParseUint64(value);
|
|
} else {
|
|
auto iter = cf_options_type_info.find(name);
|
|
if (iter == cf_options_type_info.end()) {
|
|
return Status::InvalidArgument(
|
|
"Unable to parse the specified CF option " + name);
|
|
}
|
|
const auto& opt_info = iter->second;
|
|
if (opt_info.verification != OptionVerificationType::kDeprecated &&
|
|
ParseOptionHelper(
|
|
reinterpret_cast<char*>(new_options) + opt_info.offset,
|
|
opt_info.type, value)) {
|
|
return Status::OK();
|
|
}
|
|
switch (opt_info.verification) {
|
|
case OptionVerificationType::kByName:
|
|
case OptionVerificationType::kByNameAllowNull:
|
|
return Status::NotSupported(
|
|
"Deserializing the specified CF option " + name +
|
|
" is not supported");
|
|
case OptionVerificationType::kDeprecated:
|
|
return Status::OK();
|
|
default:
|
|
return Status::InvalidArgument(
|
|
"Unable to parse the specified CF option " + name);
|
|
}
|
|
}
|
|
} catch (const std::exception&) {
|
|
return Status::InvalidArgument(
|
|
"unable to parse the specified option " + name);
|
|
}
|
|
return Status::OK();
|
|
}
|
|
|
|
bool SerializeSingleDBOption(std::string* opt_string,
|
|
const DBOptions& db_options,
|
|
const std::string& name,
|
|
const std::string& delimiter) {
|
|
auto iter = db_options_type_info.find(name);
|
|
if (iter == db_options_type_info.end()) {
|
|
return false;
|
|
}
|
|
auto& opt_info = iter->second;
|
|
const char* opt_address =
|
|
reinterpret_cast<const char*>(&db_options) + opt_info.offset;
|
|
std::string value;
|
|
bool result = SerializeSingleOptionHelper(opt_address, opt_info.type, &value);
|
|
if (result) {
|
|
*opt_string = name + "=" + value + delimiter;
|
|
}
|
|
return result;
|
|
}
|
|
|
|
Status GetStringFromDBOptions(std::string* opt_string,
|
|
const DBOptions& db_options,
|
|
const std::string& delimiter) {
|
|
assert(opt_string);
|
|
opt_string->clear();
|
|
for (auto iter = db_options_type_info.begin();
|
|
iter != db_options_type_info.end(); ++iter) {
|
|
if (iter->second.verification == OptionVerificationType::kDeprecated) {
|
|
// If the option is no longer used in rocksdb and marked as deprecated,
|
|
// we skip it in the serialization.
|
|
continue;
|
|
}
|
|
std::string single_output;
|
|
bool result = SerializeSingleDBOption(&single_output, db_options,
|
|
iter->first, delimiter);
|
|
assert(result);
|
|
if (result) {
|
|
opt_string->append(single_output);
|
|
}
|
|
}
|
|
return Status::OK();
|
|
}
|
|
|
|
bool SerializeSingleColumnFamilyOption(std::string* opt_string,
|
|
const ColumnFamilyOptions& cf_options,
|
|
const std::string& name,
|
|
const std::string& delimiter) {
|
|
auto iter = cf_options_type_info.find(name);
|
|
if (iter == cf_options_type_info.end()) {
|
|
return false;
|
|
}
|
|
auto& opt_info = iter->second;
|
|
const char* opt_address =
|
|
reinterpret_cast<const char*>(&cf_options) + opt_info.offset;
|
|
std::string value;
|
|
bool result = SerializeSingleOptionHelper(opt_address, opt_info.type, &value);
|
|
if (result) {
|
|
*opt_string = name + "=" + value + delimiter;
|
|
}
|
|
return result;
|
|
}
|
|
|
|
Status GetStringFromColumnFamilyOptions(std::string* opt_string,
|
|
const ColumnFamilyOptions& cf_options,
|
|
const std::string& delimiter) {
|
|
assert(opt_string);
|
|
opt_string->clear();
|
|
for (auto iter = cf_options_type_info.begin();
|
|
iter != cf_options_type_info.end(); ++iter) {
|
|
if (iter->second.verification == OptionVerificationType::kDeprecated) {
|
|
// If the option is no longer used in rocksdb and marked as deprecated,
|
|
// we skip it in the serialization.
|
|
continue;
|
|
}
|
|
std::string single_output;
|
|
bool result = SerializeSingleColumnFamilyOption(&single_output, cf_options,
|
|
iter->first, delimiter);
|
|
if (result) {
|
|
opt_string->append(single_output);
|
|
} else {
|
|
return Status::InvalidArgument("failed to serialize %s\n",
|
|
iter->first.c_str());
|
|
}
|
|
assert(result);
|
|
}
|
|
return Status::OK();
|
|
}
|
|
|
|
Status GetStringFromCompressionType(std::string* compression_str,
|
|
CompressionType compression_type) {
|
|
bool ok = SerializeEnum<CompressionType>(compression_type_string_map,
|
|
compression_type, compression_str);
|
|
if (ok) {
|
|
return Status::OK();
|
|
} else {
|
|
return Status::InvalidArgument("Invalid compression types");
|
|
}
|
|
}
|
|
|
|
std::vector<CompressionType> GetSupportedCompressions() {
|
|
std::vector<CompressionType> supported_compressions;
|
|
for (const auto& comp_to_name : compression_type_string_map) {
|
|
CompressionType t = comp_to_name.second;
|
|
if (t != kDisableCompressionOption && CompressionTypeSupported(t)) {
|
|
supported_compressions.push_back(t);
|
|
}
|
|
}
|
|
return supported_compressions;
|
|
}
|
|
|
|
Status ParseDBOption(const std::string& name,
|
|
const std::string& org_value,
|
|
DBOptions* new_options,
|
|
bool input_strings_escaped = false) {
|
|
const std::string& value =
|
|
input_strings_escaped ? UnescapeOptionString(org_value) : org_value;
|
|
try {
|
|
if (name == "rate_limiter_bytes_per_sec") {
|
|
new_options->rate_limiter.reset(
|
|
NewGenericRateLimiter(static_cast<int64_t>(ParseUint64(value))));
|
|
} else {
|
|
auto iter = db_options_type_info.find(name);
|
|
if (iter == db_options_type_info.end()) {
|
|
return Status::InvalidArgument("Unrecognized option DBOptions:", name);
|
|
}
|
|
const auto& opt_info = iter->second;
|
|
if (opt_info.verification != OptionVerificationType::kDeprecated &&
|
|
ParseOptionHelper(
|
|
reinterpret_cast<char*>(new_options) + opt_info.offset,
|
|
opt_info.type, value)) {
|
|
return Status::OK();
|
|
}
|
|
switch (opt_info.verification) {
|
|
case OptionVerificationType::kByName:
|
|
case OptionVerificationType::kByNameAllowNull:
|
|
return Status::NotSupported(
|
|
"Deserializing the specified DB option " + name +
|
|
" is not supported");
|
|
case OptionVerificationType::kDeprecated:
|
|
return Status::OK();
|
|
default:
|
|
return Status::InvalidArgument(
|
|
"Unable to parse the specified DB option " + name);
|
|
}
|
|
}
|
|
} catch (const std::exception&) {
|
|
return Status::InvalidArgument("Unable to parse DBOptions:", name);
|
|
}
|
|
return Status::OK();
|
|
}
|
|
|
|
Status GetColumnFamilyOptionsFromMap(
|
|
const ColumnFamilyOptions& base_options,
|
|
const std::unordered_map<std::string, std::string>& opts_map,
|
|
ColumnFamilyOptions* new_options, bool input_strings_escaped,
|
|
bool ignore_unknown_options) {
|
|
return GetColumnFamilyOptionsFromMapInternal(
|
|
base_options, opts_map, new_options, input_strings_escaped, nullptr,
|
|
ignore_unknown_options);
|
|
}
|
|
|
|
Status GetColumnFamilyOptionsFromMapInternal(
|
|
const ColumnFamilyOptions& base_options,
|
|
const std::unordered_map<std::string, std::string>& opts_map,
|
|
ColumnFamilyOptions* new_options, bool input_strings_escaped,
|
|
std::vector<std::string>* unsupported_options_names,
|
|
bool ignore_unknown_options) {
|
|
assert(new_options);
|
|
*new_options = base_options;
|
|
if (unsupported_options_names) {
|
|
unsupported_options_names->clear();
|
|
}
|
|
for (const auto& o : opts_map) {
|
|
auto s = ParseColumnFamilyOption(o.first, o.second, new_options,
|
|
input_strings_escaped);
|
|
if (!s.ok()) {
|
|
if (s.IsNotSupported()) {
|
|
// If the deserialization of the specified option is not supported
|
|
// and an output vector of unsupported_options is provided, then
|
|
// we log the name of the unsupported option and proceed.
|
|
if (unsupported_options_names != nullptr) {
|
|
unsupported_options_names->push_back(o.first);
|
|
}
|
|
// Note that we still return Status::OK in such case to maintain
|
|
// the backward compatibility in the old public API defined in
|
|
// rocksdb/convenience.h
|
|
} else if (s.IsInvalidArgument() && ignore_unknown_options) {
|
|
continue;
|
|
} else {
|
|
// Restore "new_options" to the default "base_options".
|
|
*new_options = base_options;
|
|
return s;
|
|
}
|
|
}
|
|
}
|
|
return Status::OK();
|
|
}
|
|
|
|
Status GetColumnFamilyOptionsFromString(
|
|
const ColumnFamilyOptions& base_options,
|
|
const std::string& opts_str,
|
|
ColumnFamilyOptions* new_options) {
|
|
std::unordered_map<std::string, std::string> opts_map;
|
|
Status s = StringToMap(opts_str, &opts_map);
|
|
if (!s.ok()) {
|
|
*new_options = base_options;
|
|
return s;
|
|
}
|
|
return GetColumnFamilyOptionsFromMap(base_options, opts_map, new_options);
|
|
}
|
|
|
|
Status GetDBOptionsFromMap(
|
|
const DBOptions& base_options,
|
|
const std::unordered_map<std::string, std::string>& opts_map,
|
|
DBOptions* new_options, bool input_strings_escaped,
|
|
bool ignore_unknown_options) {
|
|
return GetDBOptionsFromMapInternal(base_options, opts_map, new_options,
|
|
input_strings_escaped, nullptr,
|
|
ignore_unknown_options);
|
|
}
|
|
|
|
Status GetDBOptionsFromMapInternal(
|
|
const DBOptions& base_options,
|
|
const std::unordered_map<std::string, std::string>& opts_map,
|
|
DBOptions* new_options, bool input_strings_escaped,
|
|
std::vector<std::string>* unsupported_options_names,
|
|
bool ignore_unknown_options) {
|
|
assert(new_options);
|
|
*new_options = base_options;
|
|
if (unsupported_options_names) {
|
|
unsupported_options_names->clear();
|
|
}
|
|
for (const auto& o : opts_map) {
|
|
auto s = ParseDBOption(o.first, o.second,
|
|
new_options, input_strings_escaped);
|
|
if (!s.ok()) {
|
|
if (s.IsNotSupported()) {
|
|
// If the deserialization of the specified option is not supported
|
|
// and an output vector of unsupported_options is provided, then
|
|
// we log the name of the unsupported option and proceed.
|
|
if (unsupported_options_names != nullptr) {
|
|
unsupported_options_names->push_back(o.first);
|
|
}
|
|
// Note that we still return Status::OK in such case to maintain
|
|
// the backward compatibility in the old public API defined in
|
|
// rocksdb/convenience.h
|
|
} else if (s.IsInvalidArgument() && ignore_unknown_options) {
|
|
continue;
|
|
} else {
|
|
// Restore "new_options" to the default "base_options".
|
|
*new_options = base_options;
|
|
return s;
|
|
}
|
|
}
|
|
}
|
|
return Status::OK();
|
|
}
|
|
|
|
Status GetDBOptionsFromString(
|
|
const DBOptions& base_options,
|
|
const std::string& opts_str,
|
|
DBOptions* new_options) {
|
|
std::unordered_map<std::string, std::string> opts_map;
|
|
Status s = StringToMap(opts_str, &opts_map);
|
|
if (!s.ok()) {
|
|
*new_options = base_options;
|
|
return s;
|
|
}
|
|
return GetDBOptionsFromMap(base_options, opts_map, new_options);
|
|
}
|
|
|
|
Status GetOptionsFromString(const Options& base_options,
|
|
const std::string& opts_str, Options* new_options) {
|
|
std::unordered_map<std::string, std::string> opts_map;
|
|
Status s = StringToMap(opts_str, &opts_map);
|
|
if (!s.ok()) {
|
|
return s;
|
|
}
|
|
DBOptions new_db_options(base_options);
|
|
ColumnFamilyOptions new_cf_options(base_options);
|
|
for (const auto& o : opts_map) {
|
|
if (ParseDBOption(o.first, o.second, &new_db_options).ok()) {
|
|
} else if (ParseColumnFamilyOption(
|
|
o.first, o.second, &new_cf_options).ok()) {
|
|
} else {
|
|
return Status::InvalidArgument("Can't parse option " + o.first);
|
|
}
|
|
}
|
|
*new_options = Options(new_db_options, new_cf_options);
|
|
return Status::OK();
|
|
}
|
|
|
|
Status GetTableFactoryFromMap(
|
|
const std::string& factory_name,
|
|
const std::unordered_map<std::string, std::string>& opt_map,
|
|
std::shared_ptr<TableFactory>* table_factory, bool ignore_unknown_options) {
|
|
Status s;
|
|
if (factory_name == BlockBasedTableFactory().Name()) {
|
|
BlockBasedTableOptions bbt_opt;
|
|
s = GetBlockBasedTableOptionsFromMap(BlockBasedTableOptions(), opt_map,
|
|
&bbt_opt,
|
|
true, /* input_strings_escaped */
|
|
ignore_unknown_options);
|
|
if (!s.ok()) {
|
|
return s;
|
|
}
|
|
table_factory->reset(new BlockBasedTableFactory(bbt_opt));
|
|
return Status::OK();
|
|
} else if (factory_name == PlainTableFactory().Name()) {
|
|
PlainTableOptions pt_opt;
|
|
s = GetPlainTableOptionsFromMap(PlainTableOptions(), opt_map, &pt_opt,
|
|
true, /* input_strings_escaped */
|
|
ignore_unknown_options);
|
|
if (!s.ok()) {
|
|
return s;
|
|
}
|
|
table_factory->reset(new PlainTableFactory(pt_opt));
|
|
return Status::OK();
|
|
}
|
|
// Return OK for not supported table factories as TableFactory
|
|
// Deserialization is optional.
|
|
table_factory->reset();
|
|
return Status::OK();
|
|
}
|
|
|
|
#endif // !ROCKSDB_LITE
|
|
|
|
} // namespace rocksdb
|