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-rw-r--r--src/rocksdb/options/options_helper.cc2043
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diff --git a/src/rocksdb/options/options_helper.cc b/src/rocksdb/options/options_helper.cc
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+++ b/src/rocksdb/options/options_helper.cc
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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).
+#include "options/options_helper.h"
+
+#include <cassert>
+#include <cctype>
+#include <cstdlib>
+#include <unordered_set>
+#include <vector>
+#include "rocksdb/cache.h"
+#include "rocksdb/compaction_filter.h"
+#include "rocksdb/convenience.h"
+#include "rocksdb/filter_policy.h"
+#include "rocksdb/memtablerep.h"
+#include "rocksdb/merge_operator.h"
+#include "rocksdb/options.h"
+#include "rocksdb/rate_limiter.h"
+#include "rocksdb/slice_transform.h"
+#include "rocksdb/table.h"
+#include "rocksdb/utilities/object_registry.h"
+#include "table/block_based_table_factory.h"
+#include "table/plain_table_factory.h"
+#include "util/cast_util.h"
+#include "util/string_util.h"
+
+namespace rocksdb {
+
+DBOptions BuildDBOptions(const ImmutableDBOptions& immutable_db_options,
+ const MutableDBOptions& mutable_db_options) {
+ DBOptions options;
+
+ options.create_if_missing = immutable_db_options.create_if_missing;
+ options.create_missing_column_families =
+ immutable_db_options.create_missing_column_families;
+ options.error_if_exists = immutable_db_options.error_if_exists;
+ options.paranoid_checks = immutable_db_options.paranoid_checks;
+ options.env = immutable_db_options.env;
+ options.rate_limiter = immutable_db_options.rate_limiter;
+ options.sst_file_manager = immutable_db_options.sst_file_manager;
+ options.info_log = immutable_db_options.info_log;
+ options.info_log_level = immutable_db_options.info_log_level;
+ options.max_open_files = mutable_db_options.max_open_files;
+ options.max_file_opening_threads =
+ immutable_db_options.max_file_opening_threads;
+ options.max_total_wal_size = mutable_db_options.max_total_wal_size;
+ options.statistics = immutable_db_options.statistics;
+ options.use_fsync = immutable_db_options.use_fsync;
+ options.db_paths = immutable_db_options.db_paths;
+ options.db_log_dir = immutable_db_options.db_log_dir;
+ options.wal_dir = immutable_db_options.wal_dir;
+ options.delete_obsolete_files_period_micros =
+ mutable_db_options.delete_obsolete_files_period_micros;
+ options.max_background_jobs = mutable_db_options.max_background_jobs;
+ options.base_background_compactions =
+ mutable_db_options.base_background_compactions;
+ options.max_background_compactions =
+ mutable_db_options.max_background_compactions;
+ options.bytes_per_sync = mutable_db_options.bytes_per_sync;
+ options.wal_bytes_per_sync = mutable_db_options.wal_bytes_per_sync;
+ options.max_subcompactions = immutable_db_options.max_subcompactions;
+ options.max_background_flushes = immutable_db_options.max_background_flushes;
+ options.max_log_file_size = immutable_db_options.max_log_file_size;
+ options.log_file_time_to_roll = immutable_db_options.log_file_time_to_roll;
+ options.keep_log_file_num = immutable_db_options.keep_log_file_num;
+ options.recycle_log_file_num = immutable_db_options.recycle_log_file_num;
+ options.max_manifest_file_size = immutable_db_options.max_manifest_file_size;
+ options.table_cache_numshardbits =
+ immutable_db_options.table_cache_numshardbits;
+ options.WAL_ttl_seconds = immutable_db_options.wal_ttl_seconds;
+ options.WAL_size_limit_MB = immutable_db_options.wal_size_limit_mb;
+ options.manifest_preallocation_size =
+ immutable_db_options.manifest_preallocation_size;
+ options.allow_mmap_reads = immutable_db_options.allow_mmap_reads;
+ options.allow_mmap_writes = immutable_db_options.allow_mmap_writes;
+ options.use_direct_reads = immutable_db_options.use_direct_reads;
+ options.use_direct_io_for_flush_and_compaction =
+ immutable_db_options.use_direct_io_for_flush_and_compaction;
+ options.allow_fallocate = immutable_db_options.allow_fallocate;
+ options.is_fd_close_on_exec = immutable_db_options.is_fd_close_on_exec;
+ options.stats_dump_period_sec = mutable_db_options.stats_dump_period_sec;
+ options.stats_persist_period_sec =
+ mutable_db_options.stats_persist_period_sec;
+ options.stats_history_buffer_size =
+ mutable_db_options.stats_history_buffer_size;
+ options.advise_random_on_open = immutable_db_options.advise_random_on_open;
+ options.db_write_buffer_size = immutable_db_options.db_write_buffer_size;
+ options.write_buffer_manager = immutable_db_options.write_buffer_manager;
+ options.access_hint_on_compaction_start =
+ immutable_db_options.access_hint_on_compaction_start;
+ options.new_table_reader_for_compaction_inputs =
+ immutable_db_options.new_table_reader_for_compaction_inputs;
+ options.compaction_readahead_size =
+ mutable_db_options.compaction_readahead_size;
+ options.random_access_max_buffer_size =
+ immutable_db_options.random_access_max_buffer_size;
+ options.writable_file_max_buffer_size =
+ mutable_db_options.writable_file_max_buffer_size;
+ options.use_adaptive_mutex = immutable_db_options.use_adaptive_mutex;
+ options.listeners = immutable_db_options.listeners;
+ options.enable_thread_tracking = immutable_db_options.enable_thread_tracking;
+ options.delayed_write_rate = mutable_db_options.delayed_write_rate;
+ options.enable_pipelined_write = immutable_db_options.enable_pipelined_write;
+ options.allow_concurrent_memtable_write =
+ immutable_db_options.allow_concurrent_memtable_write;
+ options.enable_write_thread_adaptive_yield =
+ immutable_db_options.enable_write_thread_adaptive_yield;
+ options.write_thread_max_yield_usec =
+ immutable_db_options.write_thread_max_yield_usec;
+ options.write_thread_slow_yield_usec =
+ immutable_db_options.write_thread_slow_yield_usec;
+ options.skip_stats_update_on_db_open =
+ immutable_db_options.skip_stats_update_on_db_open;
+ options.wal_recovery_mode = immutable_db_options.wal_recovery_mode;
+ options.allow_2pc = immutable_db_options.allow_2pc;
+ options.row_cache = immutable_db_options.row_cache;
+#ifndef ROCKSDB_LITE
+ options.wal_filter = immutable_db_options.wal_filter;
+#endif // ROCKSDB_LITE
+ options.fail_if_options_file_error =
+ immutable_db_options.fail_if_options_file_error;
+ options.dump_malloc_stats = immutable_db_options.dump_malloc_stats;
+ options.avoid_flush_during_recovery =
+ immutable_db_options.avoid_flush_during_recovery;
+ options.avoid_flush_during_shutdown =
+ mutable_db_options.avoid_flush_during_shutdown;
+ options.allow_ingest_behind =
+ immutable_db_options.allow_ingest_behind;
+ options.preserve_deletes =
+ immutable_db_options.preserve_deletes;
+ options.two_write_queues = immutable_db_options.two_write_queues;
+ options.manual_wal_flush = immutable_db_options.manual_wal_flush;
+ options.atomic_flush = immutable_db_options.atomic_flush;
+ options.avoid_unnecessary_blocking_io =
+ immutable_db_options.avoid_unnecessary_blocking_io;
+
+ return options;
+}
+
+ColumnFamilyOptions BuildColumnFamilyOptions(
+ const ColumnFamilyOptions& options,
+ const MutableCFOptions& mutable_cf_options) {
+ ColumnFamilyOptions cf_opts(options);
+
+ // Memtable related options
+ cf_opts.write_buffer_size = mutable_cf_options.write_buffer_size;
+ cf_opts.max_write_buffer_number = mutable_cf_options.max_write_buffer_number;
+ cf_opts.arena_block_size = mutable_cf_options.arena_block_size;
+ cf_opts.memtable_prefix_bloom_size_ratio =
+ mutable_cf_options.memtable_prefix_bloom_size_ratio;
+ cf_opts.memtable_whole_key_filtering =
+ mutable_cf_options.memtable_whole_key_filtering;
+ cf_opts.memtable_huge_page_size = mutable_cf_options.memtable_huge_page_size;
+ cf_opts.max_successive_merges = mutable_cf_options.max_successive_merges;
+ cf_opts.inplace_update_num_locks =
+ mutable_cf_options.inplace_update_num_locks;
+ cf_opts.prefix_extractor = mutable_cf_options.prefix_extractor;
+
+ // Compaction related options
+ cf_opts.disable_auto_compactions =
+ mutable_cf_options.disable_auto_compactions;
+ cf_opts.soft_pending_compaction_bytes_limit =
+ mutable_cf_options.soft_pending_compaction_bytes_limit;
+ cf_opts.hard_pending_compaction_bytes_limit =
+ mutable_cf_options.hard_pending_compaction_bytes_limit;
+ cf_opts.level0_file_num_compaction_trigger =
+ mutable_cf_options.level0_file_num_compaction_trigger;
+ cf_opts.level0_slowdown_writes_trigger =
+ mutable_cf_options.level0_slowdown_writes_trigger;
+ cf_opts.level0_stop_writes_trigger =
+ mutable_cf_options.level0_stop_writes_trigger;
+ cf_opts.max_compaction_bytes = mutable_cf_options.max_compaction_bytes;
+ cf_opts.target_file_size_base = mutable_cf_options.target_file_size_base;
+ cf_opts.target_file_size_multiplier =
+ mutable_cf_options.target_file_size_multiplier;
+ cf_opts.max_bytes_for_level_base =
+ mutable_cf_options.max_bytes_for_level_base;
+ cf_opts.max_bytes_for_level_multiplier =
+ mutable_cf_options.max_bytes_for_level_multiplier;
+ cf_opts.ttl = mutable_cf_options.ttl;
+
+ cf_opts.max_bytes_for_level_multiplier_additional.clear();
+ for (auto value :
+ mutable_cf_options.max_bytes_for_level_multiplier_additional) {
+ cf_opts.max_bytes_for_level_multiplier_additional.emplace_back(value);
+ }
+
+ cf_opts.compaction_options_fifo = mutable_cf_options.compaction_options_fifo;
+ cf_opts.compaction_options_universal =
+ mutable_cf_options.compaction_options_universal;
+
+ // Misc options
+ cf_opts.max_sequential_skip_in_iterations =
+ mutable_cf_options.max_sequential_skip_in_iterations;
+ cf_opts.paranoid_file_checks = mutable_cf_options.paranoid_file_checks;
+ cf_opts.report_bg_io_stats = mutable_cf_options.report_bg_io_stats;
+ cf_opts.compression = mutable_cf_options.compression;
+ cf_opts.sample_for_compression = mutable_cf_options.sample_for_compression;
+
+ cf_opts.table_factory = options.table_factory;
+ // TODO(yhchiang): find some way to handle the following derived options
+ // * max_file_size
+
+ return cf_opts;
+}
+
+std::map<CompactionStyle, std::string>
+ OptionsHelper::compaction_style_to_string = {
+ {kCompactionStyleLevel, "kCompactionStyleLevel"},
+ {kCompactionStyleUniversal, "kCompactionStyleUniversal"},
+ {kCompactionStyleFIFO, "kCompactionStyleFIFO"},
+ {kCompactionStyleNone, "kCompactionStyleNone"}};
+
+std::map<CompactionPri, std::string> OptionsHelper::compaction_pri_to_string = {
+ {kByCompensatedSize, "kByCompensatedSize"},
+ {kOldestLargestSeqFirst, "kOldestLargestSeqFirst"},
+ {kOldestSmallestSeqFirst, "kOldestSmallestSeqFirst"},
+ {kMinOverlappingRatio, "kMinOverlappingRatio"}};
+
+std::map<CompactionStopStyle, std::string>
+ OptionsHelper::compaction_stop_style_to_string = {
+ {kCompactionStopStyleSimilarSize, "kCompactionStopStyleSimilarSize"},
+ {kCompactionStopStyleTotalSize, "kCompactionStopStyleTotalSize"}};
+
+std::unordered_map<std::string, ChecksumType>
+ OptionsHelper::checksum_type_string_map = {{"kNoChecksum", kNoChecksum},
+ {"kCRC32c", kCRC32c},
+ {"kxxHash", kxxHash},
+ {"kxxHash64", kxxHash64}};
+
+std::unordered_map<std::string, CompressionType>
+ OptionsHelper::compression_type_string_map = {
+ {"kNoCompression", kNoCompression},
+ {"kSnappyCompression", kSnappyCompression},
+ {"kZlibCompression", kZlibCompression},
+ {"kBZip2Compression", kBZip2Compression},
+ {"kLZ4Compression", kLZ4Compression},
+ {"kLZ4HCCompression", kLZ4HCCompression},
+ {"kXpressCompression", kXpressCompression},
+ {"kZSTD", kZSTD},
+ {"kZSTDNotFinalCompression", kZSTDNotFinalCompression},
+ {"kDisableCompressionOption", kDisableCompressionOption}};
+#ifndef ROCKSDB_LITE
+
+const std::string kNameComparator = "comparator";
+const std::string kNameMergeOperator = "merge_operator";
+
+template <typename T>
+Status GetStringFromStruct(
+ std::string* opt_string, const T& options,
+ const std::unordered_map<std::string, OptionTypeInfo> type_info,
+ const std::string& delimiter);
+
+namespace {
+template <typename T>
+bool ParseEnum(const std::unordered_map<std::string, T>& type_map,
+ const std::string& type, T* value) {
+ auto iter = type_map.find(type);
+ if (iter != type_map.end()) {
+ *value = iter->second;
+ return true;
+ }
+ return false;
+}
+
+template <typename T>
+bool SerializeEnum(const std::unordered_map<std::string, T>& type_map,
+ const T& type, std::string* value) {
+ for (const auto& pair : type_map) {
+ if (pair.second == type) {
+ *value = pair.first;
+ return true;
+ }
+ }
+ return false;
+}
+
+bool SerializeVectorCompressionType(const std::vector<CompressionType>& types,
+ std::string* value) {
+ std::stringstream ss;
+ bool result;
+ for (size_t i = 0; i < types.size(); ++i) {
+ if (i > 0) {
+ ss << ':';
+ }
+ std::string string_type;
+ result = SerializeEnum<CompressionType>(compression_type_string_map,
+ types[i], &string_type);
+ if (result == false) {
+ return result;
+ }
+ ss << string_type;
+ }
+ *value = ss.str();
+ return true;
+}
+
+bool ParseVectorCompressionType(
+ const std::string& value,
+ std::vector<CompressionType>* compression_per_level) {
+ compression_per_level->clear();
+ size_t start = 0;
+ while (start < value.size()) {
+ size_t end = value.find(':', start);
+ bool is_ok;
+ CompressionType type;
+ if (end == std::string::npos) {
+ is_ok = ParseEnum<CompressionType>(compression_type_string_map,
+ value.substr(start), &type);
+ if (!is_ok) {
+ return false;
+ }
+ compression_per_level->emplace_back(type);
+ break;
+ } else {
+ is_ok = ParseEnum<CompressionType>(
+ compression_type_string_map, value.substr(start, end - start), &type);
+ if (!is_ok) {
+ return false;
+ }
+ compression_per_level->emplace_back(type);
+ start = end + 1;
+ }
+ }
+ return true;
+}
+
+// This is to handle backward compatibility, where compaction_options_fifo
+// could be assigned a single scalar value, say, like "23", which would be
+// assigned to max_table_files_size.
+bool FIFOCompactionOptionsSpecialCase(const std::string& opt_str,
+ CompactionOptionsFIFO* options) {
+ if (opt_str.find("=") != std::string::npos) {
+ // New format. Go do your new parsing using ParseStructOptions.
+ return false;
+ }
+
+ // Old format. Parse just a single uint64_t value.
+ options->max_table_files_size = ParseUint64(opt_str);
+ return true;
+}
+
+template <typename T>
+bool SerializeStruct(
+ const T& options, std::string* value,
+ std::unordered_map<std::string, OptionTypeInfo> type_info_map) {
+ std::string opt_str;
+ Status s = GetStringFromStruct(&opt_str, options, type_info_map, ";");
+ if (!s.ok()) {
+ return false;
+ }
+ *value = "{" + opt_str + "}";
+ return true;
+}
+
+template <typename T>
+bool ParseSingleStructOption(
+ const std::string& opt_val_str, T* options,
+ std::unordered_map<std::string, OptionTypeInfo> type_info_map) {
+ size_t end = opt_val_str.find('=');
+ std::string key = opt_val_str.substr(0, end);
+ std::string value = opt_val_str.substr(end + 1);
+ auto iter = type_info_map.find(key);
+ if (iter == type_info_map.end()) {
+ return false;
+ }
+ const auto& opt_info = iter->second;
+ return ParseOptionHelper(
+ reinterpret_cast<char*>(options) + opt_info.mutable_offset, opt_info.type,
+ value);
+}
+
+template <typename T>
+bool ParseStructOptions(
+ const std::string& opt_str, T* options,
+ std::unordered_map<std::string, OptionTypeInfo> type_info_map) {
+ assert(!opt_str.empty());
+
+ size_t start = 0;
+ if (opt_str[0] == '{') {
+ start++;
+ }
+ while ((start != std::string::npos) && (start < opt_str.size())) {
+ if (opt_str[start] == '}') {
+ break;
+ }
+ size_t end = opt_str.find(';', start);
+ size_t len = (end == std::string::npos) ? end : end - start;
+ if (!ParseSingleStructOption(opt_str.substr(start, len), options,
+ type_info_map)) {
+ return false;
+ }
+ start = (end == std::string::npos) ? end : end + 1;
+ }
+ return true;
+}
+} // anonymouse namespace
+
+bool ParseSliceTransformHelper(
+ const std::string& kFixedPrefixName, const std::string& kCappedPrefixName,
+ const std::string& value,
+ std::shared_ptr<const SliceTransform>* slice_transform) {
+ const char* no_op_name = "rocksdb.Noop";
+ size_t no_op_length = strlen(no_op_name);
+ auto& pe_value = value;
+ if (pe_value.size() > kFixedPrefixName.size() &&
+ pe_value.compare(0, kFixedPrefixName.size(), kFixedPrefixName) == 0) {
+ int prefix_length = ParseInt(trim(value.substr(kFixedPrefixName.size())));
+ slice_transform->reset(NewFixedPrefixTransform(prefix_length));
+ } else if (pe_value.size() > kCappedPrefixName.size() &&
+ pe_value.compare(0, kCappedPrefixName.size(), kCappedPrefixName) ==
+ 0) {
+ int prefix_length =
+ ParseInt(trim(pe_value.substr(kCappedPrefixName.size())));
+ slice_transform->reset(NewCappedPrefixTransform(prefix_length));
+ } else if (pe_value.size() == no_op_length &&
+ pe_value.compare(0, no_op_length, no_op_name) == 0) {
+ const SliceTransform* no_op_transform = NewNoopTransform();
+ slice_transform->reset(no_op_transform);
+ } else if (value == kNullptrString) {
+ slice_transform->reset();
+ } else {
+ return false;
+ }
+
+ return true;
+}
+
+bool ParseSliceTransform(
+ const std::string& value,
+ std::shared_ptr<const SliceTransform>* slice_transform) {
+ // While we normally don't convert the string representation of a
+ // pointer-typed option into its instance, here we do so for backward
+ // compatibility as we allow this action in SetOption().
+
+ // TODO(yhchiang): A possible better place for these serialization /
+ // deserialization is inside the class definition of pointer-typed
+ // option itself, but this requires a bigger change of public API.
+ bool result =
+ ParseSliceTransformHelper("fixed:", "capped:", value, slice_transform);
+ if (result) {
+ return result;
+ }
+ result = ParseSliceTransformHelper(
+ "rocksdb.FixedPrefix.", "rocksdb.CappedPrefix.", value, slice_transform);
+ if (result) {
+ return result;
+ }
+ // TODO(yhchiang): we can further support other default
+ // SliceTransforms here.
+ return false;
+}
+
+bool ParseOptionHelper(char* opt_address, const OptionType& opt_type,
+ const std::string& value) {
+ switch (opt_type) {
+ case OptionType::kBoolean:
+ *reinterpret_cast<bool*>(opt_address) = ParseBoolean("", value);
+ break;
+ case OptionType::kInt:
+ *reinterpret_cast<int*>(opt_address) = ParseInt(value);
+ break;
+ case OptionType::kInt32T:
+ *reinterpret_cast<int32_t*>(opt_address) = ParseInt32(value);
+ break;
+ case OptionType::kInt64T:
+ PutUnaligned(reinterpret_cast<int64_t*>(opt_address), ParseInt64(value));
+ break;
+ case OptionType::kVectorInt:
+ *reinterpret_cast<std::vector<int>*>(opt_address) = ParseVectorInt(value);
+ break;
+ case OptionType::kUInt:
+ *reinterpret_cast<unsigned int*>(opt_address) = ParseUint32(value);
+ break;
+ case OptionType::kUInt32T:
+ *reinterpret_cast<uint32_t*>(opt_address) = ParseUint32(value);
+ break;
+ case OptionType::kUInt64T:
+ PutUnaligned(reinterpret_cast<uint64_t*>(opt_address), ParseUint64(value));
+ break;
+ case OptionType::kSizeT:
+ PutUnaligned(reinterpret_cast<size_t*>(opt_address), ParseSizeT(value));
+ break;
+ case OptionType::kString:
+ *reinterpret_cast<std::string*>(opt_address) = value;
+ break;
+ case OptionType::kDouble:
+ *reinterpret_cast<double*>(opt_address) = ParseDouble(value);
+ break;
+ case OptionType::kCompactionStyle:
+ return ParseEnum<CompactionStyle>(
+ compaction_style_string_map, value,
+ reinterpret_cast<CompactionStyle*>(opt_address));
+ case OptionType::kCompactionPri:
+ return ParseEnum<CompactionPri>(
+ compaction_pri_string_map, value,
+ reinterpret_cast<CompactionPri*>(opt_address));
+ case OptionType::kCompressionType:
+ return ParseEnum<CompressionType>(
+ compression_type_string_map, value,
+ reinterpret_cast<CompressionType*>(opt_address));
+ case OptionType::kVectorCompressionType:
+ return ParseVectorCompressionType(
+ value, reinterpret_cast<std::vector<CompressionType>*>(opt_address));
+ case OptionType::kSliceTransform:
+ return ParseSliceTransform(
+ value, reinterpret_cast<std::shared_ptr<const SliceTransform>*>(
+ opt_address));
+ case OptionType::kChecksumType:
+ return ParseEnum<ChecksumType>(
+ checksum_type_string_map, value,
+ reinterpret_cast<ChecksumType*>(opt_address));
+ case OptionType::kBlockBasedTableIndexType:
+ return ParseEnum<BlockBasedTableOptions::IndexType>(
+ block_base_table_index_type_string_map, value,
+ reinterpret_cast<BlockBasedTableOptions::IndexType*>(opt_address));
+ case OptionType::kBlockBasedTableDataBlockIndexType:
+ return ParseEnum<BlockBasedTableOptions::DataBlockIndexType>(
+ block_base_table_data_block_index_type_string_map, value,
+ reinterpret_cast<BlockBasedTableOptions::DataBlockIndexType*>(
+ opt_address));
+ case OptionType::kEncodingType:
+ return ParseEnum<EncodingType>(
+ encoding_type_string_map, value,
+ reinterpret_cast<EncodingType*>(opt_address));
+ case OptionType::kWALRecoveryMode:
+ return ParseEnum<WALRecoveryMode>(
+ wal_recovery_mode_string_map, value,
+ reinterpret_cast<WALRecoveryMode*>(opt_address));
+ case OptionType::kAccessHint:
+ return ParseEnum<DBOptions::AccessHint>(
+ access_hint_string_map, value,
+ reinterpret_cast<DBOptions::AccessHint*>(opt_address));
+ case OptionType::kInfoLogLevel:
+ return ParseEnum<InfoLogLevel>(
+ info_log_level_string_map, value,
+ reinterpret_cast<InfoLogLevel*>(opt_address));
+ case OptionType::kCompactionOptionsFIFO: {
+ if (!FIFOCompactionOptionsSpecialCase(
+ value, reinterpret_cast<CompactionOptionsFIFO*>(opt_address))) {
+ return ParseStructOptions<CompactionOptionsFIFO>(
+ value, reinterpret_cast<CompactionOptionsFIFO*>(opt_address),
+ fifo_compaction_options_type_info);
+ }
+ return true;
+ }
+ case OptionType::kLRUCacheOptions: {
+ return ParseStructOptions<LRUCacheOptions>(value,
+ reinterpret_cast<LRUCacheOptions*>(opt_address),
+ lru_cache_options_type_info);
+ }
+ case OptionType::kCompactionOptionsUniversal:
+ return ParseStructOptions<CompactionOptionsUniversal>(
+ value, reinterpret_cast<CompactionOptionsUniversal*>(opt_address),
+ universal_compaction_options_type_info);
+ case OptionType::kCompactionStopStyle:
+ return ParseEnum<CompactionStopStyle>(
+ compaction_stop_style_string_map, value,
+ reinterpret_cast<CompactionStopStyle*>(opt_address));
+ default:
+ return false;
+ }
+ return true;
+}
+
+bool SerializeSingleOptionHelper(const char* opt_address,
+ const OptionType opt_type,
+ std::string* value) {
+
+ assert(value);
+ switch (opt_type) {
+ case OptionType::kBoolean:
+ *value = *(reinterpret_cast<const bool*>(opt_address)) ? "true" : "false";
+ break;
+ case OptionType::kInt:
+ *value = ToString(*(reinterpret_cast<const int*>(opt_address)));
+ break;
+ case OptionType::kInt32T:
+ *value = ToString(*(reinterpret_cast<const int32_t*>(opt_address)));
+ break;
+ case OptionType::kInt64T:
+ {
+ int64_t v;
+ GetUnaligned(reinterpret_cast<const int64_t*>(opt_address), &v);
+ *value = ToString(v);
+ }
+ break;
+ case OptionType::kVectorInt:
+ return SerializeIntVector(
+ *reinterpret_cast<const std::vector<int>*>(opt_address), value);
+ case OptionType::kUInt:
+ *value = ToString(*(reinterpret_cast<const unsigned int*>(opt_address)));
+ break;
+ case OptionType::kUInt32T:
+ *value = ToString(*(reinterpret_cast<const uint32_t*>(opt_address)));
+ break;
+ case OptionType::kUInt64T:
+ {
+ uint64_t v;
+ GetUnaligned(reinterpret_cast<const uint64_t*>(opt_address), &v);
+ *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::kBlockBasedTableDataBlockIndexType:
+ return SerializeEnum<BlockBasedTableOptions::DataBlockIndexType>(
+ block_base_table_data_block_index_type_string_map,
+ *reinterpret_cast<const BlockBasedTableOptions::DataBlockIndexType*>(
+ 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);
+ case OptionType::kCompactionOptionsFIFO:
+ return SerializeStruct<CompactionOptionsFIFO>(
+ *reinterpret_cast<const CompactionOptionsFIFO*>(opt_address), value,
+ fifo_compaction_options_type_info);
+ case OptionType::kCompactionOptionsUniversal:
+ return SerializeStruct<CompactionOptionsUniversal>(
+ *reinterpret_cast<const CompactionOptionsUniversal*>(opt_address),
+ value, universal_compaction_options_type_info);
+ case OptionType::kCompactionStopStyle:
+ return SerializeEnum<CompactionStopStyle>(
+ compaction_stop_style_string_map,
+ *reinterpret_cast<const CompactionStopStyle*>(opt_address), value);
+ default:
+ return false;
+ }
+ return true;
+}
+
+Status GetMutableOptionsFromStrings(
+ const MutableCFOptions& base_options,
+ const std::unordered_map<std::string, std::string>& options_map,
+ Logger* info_log, 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);
+ }
+ if (opt_info.verification == OptionVerificationType::kDeprecated) {
+ // log warning when user tries to set a deprecated option but don't fail
+ // the call for compatibility.
+ ROCKS_LOG_WARN(info_log, "%s is a deprecated option and cannot be set",
+ o.first.c_str());
+ continue;
+ }
+ 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 ParseCompressionOptions(const std::string& value, const std::string& name,
+ CompressionOptions& 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);
+ }
+ 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);
+ }
+ 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);
+ 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);
+ }
+ compression_opts.max_dict_bytes =
+ ParseInt(value.substr(start, value.size() - start));
+ end = value.find(':', start);
+ }
+ // zstd_max_train_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);
+ }
+ compression_opts.zstd_max_train_bytes =
+ ParseInt(value.substr(start, value.size() - start));
+ end = value.find(':', start);
+ }
+ // enabled 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);
+ }
+ compression_opts.enabled =
+ ParseBoolean("", value.substr(start, value.size() - start));
+ }
+ 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 == "bottommost_compression_opts") {
+ Status s = ParseCompressionOptions(
+ value, name, new_options->bottommost_compression_opts);
+ if (!s.ok()) {
+ return s;
+ }
+ } else if (name == "compression_opts") {
+ Status s =
+ ParseCompressionOptions(value, name, new_options->compression_opts);
+ if (!s.ok()) {
+ return s;
+ }
+ } else {
+ if (name == kNameComparator) {
+ // Try to get comparator from object registry first.
+ std::unique_ptr<const Comparator> comp_guard;
+ const Comparator* comp =
+ NewCustomObject<const Comparator>(value, &comp_guard);
+ // Only support static comparator for now.
+ if (comp != nullptr && !comp_guard) {
+ new_options->comparator = comp;
+ }
+ } else if (name == kNameMergeOperator) {
+ // Try to get merge operator from object registry first.
+ std::unique_ptr<std::shared_ptr<MergeOperator>> mo_guard;
+ std::shared_ptr<MergeOperator>* mo =
+ NewCustomObject<std::shared_ptr<MergeOperator>>(value, &mo_guard);
+ // Only support static comparator for now.
+ if (mo != nullptr) {
+ new_options->merge_operator = *mo;
+ }
+ }
+
+ 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:
+ case OptionVerificationType::kByNameAllowFromNull:
+ 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();
+}
+
+template <typename T>
+bool SerializeSingleStructOption(
+ std::string* opt_string, const T& options,
+ const std::unordered_map<std::string, OptionTypeInfo> type_info,
+ const std::string& name, const std::string& delimiter) {
+ auto iter = type_info.find(name);
+ if (iter == type_info.end()) {
+ return false;
+ }
+ auto& opt_info = iter->second;
+ const char* opt_address =
+ reinterpret_cast<const char*>(&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;
+}
+
+template <typename T>
+Status GetStringFromStruct(
+ std::string* opt_string, const T& options,
+ const std::unordered_map<std::string, OptionTypeInfo> type_info,
+ const std::string& delimiter) {
+ assert(opt_string);
+ opt_string->clear();
+ for (auto iter = type_info.begin(); iter != 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 = SerializeSingleStructOption<T>(
+ &single_output, options, type_info, 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 GetStringFromDBOptions(std::string* opt_string,
+ const DBOptions& db_options,
+ const std::string& delimiter) {
+ return GetStringFromStruct<DBOptions>(opt_string, db_options,
+ db_options_type_info, delimiter);
+}
+
+Status GetStringFromColumnFamilyOptions(std::string* opt_string,
+ const ColumnFamilyOptions& cf_options,
+ const std::string& delimiter) {
+ return GetStringFromStruct<ColumnFamilyOptions>(
+ opt_string, cf_options, cf_options_type_info, delimiter);
+}
+
+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();
+}
+
+std::unordered_map<std::string, OptionTypeInfo>
+ OptionsHelper::db_options_type_info = {
+ /*
+ // not yet supported
+ Env* env;
+ std::shared_ptr<Cache> row_cache;
+ std::shared_ptr<DeleteScheduler> delete_scheduler;
+ std::shared_ptr<Logger> info_log;
+ std::shared_ptr<RateLimiter> rate_limiter;
+ std::shared_ptr<Statistics> statistics;
+ std::vector<DbPath> db_paths;
+ std::vector<std::shared_ptr<EventListener>> listeners;
+ */
+ {"advise_random_on_open",
+ {offsetof(struct DBOptions, advise_random_on_open),
+ OptionType::kBoolean, OptionVerificationType::kNormal, false, 0}},
+ {"allow_mmap_reads",
+ {offsetof(struct DBOptions, allow_mmap_reads), OptionType::kBoolean,
+ OptionVerificationType::kNormal, false, 0}},
+ {"allow_fallocate",
+ {offsetof(struct DBOptions, allow_fallocate), OptionType::kBoolean,
+ OptionVerificationType::kNormal, false, 0}},
+ {"allow_mmap_writes",
+ {offsetof(struct DBOptions, allow_mmap_writes), OptionType::kBoolean,
+ OptionVerificationType::kNormal, false, 0}},
+ {"use_direct_reads",
+ {offsetof(struct DBOptions, use_direct_reads), OptionType::kBoolean,
+ OptionVerificationType::kNormal, false, 0}},
+ {"use_direct_writes",
+ {0, OptionType::kBoolean, OptionVerificationType::kDeprecated, false,
+ 0}},
+ {"use_direct_io_for_flush_and_compaction",
+ {offsetof(struct DBOptions, use_direct_io_for_flush_and_compaction),
+ OptionType::kBoolean, OptionVerificationType::kNormal, false, 0}},
+ {"allow_2pc",
+ {offsetof(struct DBOptions, allow_2pc), OptionType::kBoolean,
+ OptionVerificationType::kNormal, false, 0}},
+ {"allow_os_buffer",
+ {0, OptionType::kBoolean, OptionVerificationType::kDeprecated, true,
+ 0}},
+ {"create_if_missing",
+ {offsetof(struct DBOptions, create_if_missing), OptionType::kBoolean,
+ OptionVerificationType::kNormal, false, 0}},
+ {"create_missing_column_families",
+ {offsetof(struct DBOptions, create_missing_column_families),
+ OptionType::kBoolean, OptionVerificationType::kNormal, false, 0}},
+ {"disableDataSync",
+ {0, OptionType::kBoolean, OptionVerificationType::kDeprecated, false,
+ 0}},
+ {"disable_data_sync", // for compatibility
+ {0, OptionType::kBoolean, OptionVerificationType::kDeprecated, false,
+ 0}},
+ {"enable_thread_tracking",
+ {offsetof(struct DBOptions, enable_thread_tracking),
+ OptionType::kBoolean, OptionVerificationType::kNormal, false, 0}},
+ {"error_if_exists",
+ {offsetof(struct DBOptions, error_if_exists), OptionType::kBoolean,
+ OptionVerificationType::kNormal, false, 0}},
+ {"is_fd_close_on_exec",
+ {offsetof(struct DBOptions, is_fd_close_on_exec), OptionType::kBoolean,
+ OptionVerificationType::kNormal, false, 0}},
+ {"paranoid_checks",
+ {offsetof(struct DBOptions, paranoid_checks), OptionType::kBoolean,
+ OptionVerificationType::kNormal, false, 0}},
+ {"skip_log_error_on_recovery",
+ {offsetof(struct DBOptions, skip_log_error_on_recovery),
+ OptionType::kBoolean, OptionVerificationType::kNormal, false, 0}},
+ {"skip_stats_update_on_db_open",
+ {offsetof(struct DBOptions, skip_stats_update_on_db_open),
+ OptionType::kBoolean, OptionVerificationType::kNormal, false, 0}},
+ {"new_table_reader_for_compaction_inputs",
+ {offsetof(struct DBOptions, new_table_reader_for_compaction_inputs),
+ OptionType::kBoolean, OptionVerificationType::kNormal, false, 0}},
+ {"compaction_readahead_size",
+ {offsetof(struct DBOptions, compaction_readahead_size),
+ OptionType::kSizeT, OptionVerificationType::kNormal, true,
+ offsetof(struct MutableDBOptions, compaction_readahead_size)}},
+ {"random_access_max_buffer_size",
+ {offsetof(struct DBOptions, random_access_max_buffer_size),
+ OptionType::kSizeT, OptionVerificationType::kNormal, false, 0}},
+ {"use_adaptive_mutex",
+ {offsetof(struct DBOptions, use_adaptive_mutex), OptionType::kBoolean,
+ OptionVerificationType::kNormal, false, 0}},
+ {"use_fsync",
+ {offsetof(struct DBOptions, use_fsync), OptionType::kBoolean,
+ OptionVerificationType::kNormal, false, 0}},
+ {"max_background_jobs",
+ {offsetof(struct DBOptions, max_background_jobs), OptionType::kInt,
+ OptionVerificationType::kNormal, true,
+ offsetof(struct MutableDBOptions, max_background_jobs)}},
+ {"max_background_compactions",
+ {offsetof(struct DBOptions, max_background_compactions),
+ OptionType::kInt, OptionVerificationType::kNormal, true,
+ offsetof(struct MutableDBOptions, max_background_compactions)}},
+ {"base_background_compactions",
+ {offsetof(struct DBOptions, base_background_compactions),
+ OptionType::kInt, OptionVerificationType::kNormal, true,
+ offsetof(struct MutableDBOptions, base_background_compactions)}},
+ {"max_background_flushes",
+ {offsetof(struct DBOptions, max_background_flushes), OptionType::kInt,
+ OptionVerificationType::kNormal, false, 0}},
+ {"max_file_opening_threads",
+ {offsetof(struct DBOptions, max_file_opening_threads),
+ OptionType::kInt, OptionVerificationType::kNormal, false, 0}},
+ {"max_open_files",
+ {offsetof(struct DBOptions, max_open_files), OptionType::kInt,
+ OptionVerificationType::kNormal, true,
+ offsetof(struct MutableDBOptions, max_open_files)}},
+ {"table_cache_numshardbits",
+ {offsetof(struct DBOptions, table_cache_numshardbits),
+ OptionType::kInt, OptionVerificationType::kNormal, false, 0}},
+ {"db_write_buffer_size",
+ {offsetof(struct DBOptions, db_write_buffer_size), OptionType::kSizeT,
+ OptionVerificationType::kNormal, false, 0}},
+ {"keep_log_file_num",
+ {offsetof(struct DBOptions, keep_log_file_num), OptionType::kSizeT,
+ OptionVerificationType::kNormal, false, 0}},
+ {"recycle_log_file_num",
+ {offsetof(struct DBOptions, recycle_log_file_num), OptionType::kSizeT,
+ OptionVerificationType::kNormal, false, 0}},
+ {"log_file_time_to_roll",
+ {offsetof(struct DBOptions, log_file_time_to_roll), OptionType::kSizeT,
+ OptionVerificationType::kNormal, false, 0}},
+ {"manifest_preallocation_size",
+ {offsetof(struct DBOptions, manifest_preallocation_size),
+ OptionType::kSizeT, OptionVerificationType::kNormal, false, 0}},
+ {"max_log_file_size",
+ {offsetof(struct DBOptions, max_log_file_size), OptionType::kSizeT,
+ OptionVerificationType::kNormal, false, 0}},
+ {"db_log_dir",
+ {offsetof(struct DBOptions, db_log_dir), OptionType::kString,
+ OptionVerificationType::kNormal, false, 0}},
+ {"wal_dir",
+ {offsetof(struct DBOptions, wal_dir), OptionType::kString,
+ OptionVerificationType::kNormal, false, 0}},
+ {"max_subcompactions",
+ {offsetof(struct DBOptions, max_subcompactions), OptionType::kUInt32T,
+ OptionVerificationType::kNormal, false, 0}},
+ {"WAL_size_limit_MB",
+ {offsetof(struct DBOptions, WAL_size_limit_MB), OptionType::kUInt64T,
+ OptionVerificationType::kNormal, false, 0}},
+ {"WAL_ttl_seconds",
+ {offsetof(struct DBOptions, WAL_ttl_seconds), OptionType::kUInt64T,
+ OptionVerificationType::kNormal, false, 0}},
+ {"bytes_per_sync",
+ {offsetof(struct DBOptions, bytes_per_sync), OptionType::kUInt64T,
+ OptionVerificationType::kNormal, true,
+ offsetof(struct MutableDBOptions, bytes_per_sync)}},
+ {"delayed_write_rate",
+ {offsetof(struct DBOptions, delayed_write_rate), OptionType::kUInt64T,
+ OptionVerificationType::kNormal, true,
+ offsetof(struct MutableDBOptions, delayed_write_rate)}},
+ {"delete_obsolete_files_period_micros",
+ {offsetof(struct DBOptions, delete_obsolete_files_period_micros),
+ OptionType::kUInt64T, OptionVerificationType::kNormal, true,
+ offsetof(struct MutableDBOptions,
+ delete_obsolete_files_period_micros)}},
+ {"max_manifest_file_size",
+ {offsetof(struct DBOptions, max_manifest_file_size),
+ OptionType::kUInt64T, OptionVerificationType::kNormal, false, 0}},
+ {"max_total_wal_size",
+ {offsetof(struct DBOptions, max_total_wal_size), OptionType::kUInt64T,
+ OptionVerificationType::kNormal, true,
+ offsetof(struct MutableDBOptions, max_total_wal_size)}},
+ {"wal_bytes_per_sync",
+ {offsetof(struct DBOptions, wal_bytes_per_sync), OptionType::kUInt64T,
+ OptionVerificationType::kNormal, true,
+ offsetof(struct MutableDBOptions, wal_bytes_per_sync)}},
+ {"stats_dump_period_sec",
+ {offsetof(struct DBOptions, stats_dump_period_sec), OptionType::kUInt,
+ OptionVerificationType::kNormal, true,
+ offsetof(struct MutableDBOptions, stats_dump_period_sec)}},
+ {"stats_persist_period_sec",
+ {offsetof(struct DBOptions, stats_persist_period_sec),
+ OptionType::kUInt, OptionVerificationType::kNormal, true,
+ offsetof(struct MutableDBOptions, stats_persist_period_sec)}},
+ {"stats_history_buffer_size",
+ {offsetof(struct DBOptions, stats_history_buffer_size),
+ OptionType::kSizeT, OptionVerificationType::kNormal, true,
+ offsetof(struct MutableDBOptions, stats_history_buffer_size)}},
+ {"fail_if_options_file_error",
+ {offsetof(struct DBOptions, fail_if_options_file_error),
+ OptionType::kBoolean, OptionVerificationType::kNormal, false, 0}},
+ {"enable_pipelined_write",
+ {offsetof(struct DBOptions, enable_pipelined_write),
+ OptionType::kBoolean, OptionVerificationType::kNormal, false, 0}},
+ {"allow_concurrent_memtable_write",
+ {offsetof(struct DBOptions, allow_concurrent_memtable_write),
+ OptionType::kBoolean, OptionVerificationType::kNormal, false, 0}},
+ {"wal_recovery_mode",
+ {offsetof(struct DBOptions, wal_recovery_mode),
+ OptionType::kWALRecoveryMode, OptionVerificationType::kNormal, false,
+ 0}},
+ {"enable_write_thread_adaptive_yield",
+ {offsetof(struct DBOptions, enable_write_thread_adaptive_yield),
+ OptionType::kBoolean, OptionVerificationType::kNormal, false, 0}},
+ {"write_thread_slow_yield_usec",
+ {offsetof(struct DBOptions, write_thread_slow_yield_usec),
+ OptionType::kUInt64T, OptionVerificationType::kNormal, false, 0}},
+ {"write_thread_max_yield_usec",
+ {offsetof(struct DBOptions, write_thread_max_yield_usec),
+ OptionType::kUInt64T, OptionVerificationType::kNormal, false, 0}},
+ {"access_hint_on_compaction_start",
+ {offsetof(struct DBOptions, access_hint_on_compaction_start),
+ OptionType::kAccessHint, OptionVerificationType::kNormal, false, 0}},
+ {"info_log_level",
+ {offsetof(struct DBOptions, info_log_level), OptionType::kInfoLogLevel,
+ OptionVerificationType::kNormal, false, 0}},
+ {"dump_malloc_stats",
+ {offsetof(struct DBOptions, dump_malloc_stats), OptionType::kBoolean,
+ OptionVerificationType::kNormal, false, 0}},
+ {"avoid_flush_during_recovery",
+ {offsetof(struct DBOptions, avoid_flush_during_recovery),
+ OptionType::kBoolean, OptionVerificationType::kNormal, false, 0}},
+ {"avoid_flush_during_shutdown",
+ {offsetof(struct DBOptions, avoid_flush_during_shutdown),
+ OptionType::kBoolean, OptionVerificationType::kNormal, true,
+ offsetof(struct MutableDBOptions, avoid_flush_during_shutdown)}},
+ {"writable_file_max_buffer_size",
+ {offsetof(struct DBOptions, writable_file_max_buffer_size),
+ OptionType::kSizeT, OptionVerificationType::kNormal, true,
+ offsetof(struct MutableDBOptions, writable_file_max_buffer_size)}},
+ {"allow_ingest_behind",
+ {offsetof(struct DBOptions, allow_ingest_behind), OptionType::kBoolean,
+ OptionVerificationType::kNormal, false,
+ offsetof(struct ImmutableDBOptions, allow_ingest_behind)}},
+ {"preserve_deletes",
+ {offsetof(struct DBOptions, preserve_deletes), OptionType::kBoolean,
+ OptionVerificationType::kNormal, false,
+ offsetof(struct ImmutableDBOptions, preserve_deletes)}},
+ {"concurrent_prepare", // Deprecated by two_write_queues
+ {0, OptionType::kBoolean, OptionVerificationType::kDeprecated, false,
+ 0}},
+ {"two_write_queues",
+ {offsetof(struct DBOptions, two_write_queues), OptionType::kBoolean,
+ OptionVerificationType::kNormal, false,
+ offsetof(struct ImmutableDBOptions, two_write_queues)}},
+ {"manual_wal_flush",
+ {offsetof(struct DBOptions, manual_wal_flush), OptionType::kBoolean,
+ OptionVerificationType::kNormal, false,
+ offsetof(struct ImmutableDBOptions, manual_wal_flush)}},
+ {"seq_per_batch",
+ {0, OptionType::kBoolean, OptionVerificationType::kDeprecated, false,
+ 0}},
+ {"atomic_flush",
+ {offsetof(struct DBOptions, atomic_flush), OptionType::kBoolean,
+ OptionVerificationType::kNormal, false,
+ offsetof(struct ImmutableDBOptions, atomic_flush)}},
+ {"avoid_unnecessary_blocking_io",
+ {offsetof(struct DBOptions, avoid_unnecessary_blocking_io),
+ OptionType::kBoolean, OptionVerificationType::kNormal, false,
+ offsetof(struct ImmutableDBOptions, avoid_unnecessary_blocking_io)}}
+ };
+
+std::unordered_map<std::string, BlockBasedTableOptions::IndexType>
+ OptionsHelper::block_base_table_index_type_string_map = {
+ {"kBinarySearch", BlockBasedTableOptions::IndexType::kBinarySearch},
+ {"kHashSearch", BlockBasedTableOptions::IndexType::kHashSearch},
+ {"kTwoLevelIndexSearch",
+ BlockBasedTableOptions::IndexType::kTwoLevelIndexSearch}};
+
+std::unordered_map<std::string, BlockBasedTableOptions::DataBlockIndexType>
+ OptionsHelper::block_base_table_data_block_index_type_string_map = {
+ {"kDataBlockBinarySearch",
+ BlockBasedTableOptions::DataBlockIndexType::kDataBlockBinarySearch},
+ {"kDataBlockBinaryAndHash",
+ BlockBasedTableOptions::DataBlockIndexType::kDataBlockBinaryAndHash}};
+
+std::unordered_map<std::string, EncodingType>
+ OptionsHelper::encoding_type_string_map = {{"kPlain", kPlain},
+ {"kPrefix", kPrefix}};
+
+std::unordered_map<std::string, CompactionStyle>
+ OptionsHelper::compaction_style_string_map = {
+ {"kCompactionStyleLevel", kCompactionStyleLevel},
+ {"kCompactionStyleUniversal", kCompactionStyleUniversal},
+ {"kCompactionStyleFIFO", kCompactionStyleFIFO},
+ {"kCompactionStyleNone", kCompactionStyleNone}};
+
+std::unordered_map<std::string, CompactionPri>
+ OptionsHelper::compaction_pri_string_map = {
+ {"kByCompensatedSize", kByCompensatedSize},
+ {"kOldestLargestSeqFirst", kOldestLargestSeqFirst},
+ {"kOldestSmallestSeqFirst", kOldestSmallestSeqFirst},
+ {"kMinOverlappingRatio", kMinOverlappingRatio}};
+
+std::unordered_map<std::string, WALRecoveryMode>
+ OptionsHelper::wal_recovery_mode_string_map = {
+ {"kTolerateCorruptedTailRecords",
+ WALRecoveryMode::kTolerateCorruptedTailRecords},
+ {"kAbsoluteConsistency", WALRecoveryMode::kAbsoluteConsistency},
+ {"kPointInTimeRecovery", WALRecoveryMode::kPointInTimeRecovery},
+ {"kSkipAnyCorruptedRecords",
+ WALRecoveryMode::kSkipAnyCorruptedRecords}};
+
+std::unordered_map<std::string, DBOptions::AccessHint>
+ OptionsHelper::access_hint_string_map = {
+ {"NONE", DBOptions::AccessHint::NONE},
+ {"NORMAL", DBOptions::AccessHint::NORMAL},
+ {"SEQUENTIAL", DBOptions::AccessHint::SEQUENTIAL},
+ {"WILLNEED", DBOptions::AccessHint::WILLNEED}};
+
+std::unordered_map<std::string, InfoLogLevel>
+ OptionsHelper::info_log_level_string_map = {
+ {"DEBUG_LEVEL", InfoLogLevel::DEBUG_LEVEL},
+ {"INFO_LEVEL", InfoLogLevel::INFO_LEVEL},
+ {"WARN_LEVEL", InfoLogLevel::WARN_LEVEL},
+ {"ERROR_LEVEL", InfoLogLevel::ERROR_LEVEL},
+ {"FATAL_LEVEL", InfoLogLevel::FATAL_LEVEL},
+ {"HEADER_LEVEL", InfoLogLevel::HEADER_LEVEL}};
+
+ColumnFamilyOptions OptionsHelper::dummy_cf_options;
+CompactionOptionsFIFO OptionsHelper::dummy_comp_options;
+LRUCacheOptions OptionsHelper::dummy_lru_cache_options;
+CompactionOptionsUniversal OptionsHelper::dummy_comp_options_universal;
+
+// offset_of is used to get the offset of a class data member
+// ex: offset_of(&ColumnFamilyOptions::num_levels)
+// This call will return the offset of num_levels in ColumnFamilyOptions class
+//
+// This is the same as offsetof() but allow us to work with non standard-layout
+// classes and structures
+// refs:
+// http://en.cppreference.com/w/cpp/concept/StandardLayoutType
+// https://gist.github.com/graphitemaster/494f21190bb2c63c5516
+template <typename T1>
+int offset_of(T1 ColumnFamilyOptions::*member) {
+ return int(size_t(&(OptionsHelper::dummy_cf_options.*member)) -
+ size_t(&OptionsHelper::dummy_cf_options));
+}
+template <typename T1>
+int offset_of(T1 AdvancedColumnFamilyOptions::*member) {
+ return int(size_t(&(OptionsHelper::dummy_cf_options.*member)) -
+ size_t(&OptionsHelper::dummy_cf_options));
+}
+template <typename T1>
+int offset_of(T1 CompactionOptionsFIFO::*member) {
+ return int(size_t(&(OptionsHelper::dummy_comp_options.*member)) -
+ size_t(&OptionsHelper::dummy_comp_options));
+}
+template <typename T1>
+int offset_of(T1 LRUCacheOptions::*member) {
+ return int(size_t(&(OptionsHelper::dummy_lru_cache_options.*member)) -
+ size_t(&OptionsHelper::dummy_lru_cache_options));
+}
+template <typename T1>
+int offset_of(T1 CompactionOptionsUniversal::*member) {
+ return int(size_t(&(OptionsHelper::dummy_comp_options_universal.*member)) -
+ size_t(&OptionsHelper::dummy_comp_options_universal));
+}
+
+std::unordered_map<std::string, OptionTypeInfo>
+ OptionsHelper::cf_options_type_info = {
+ /* not yet supported
+ CompressionOptions compression_opts;
+ TablePropertiesCollectorFactories table_properties_collector_factories;
+ typedef std::vector<std::shared_ptr<TablePropertiesCollectorFactory>>
+ TablePropertiesCollectorFactories;
+ UpdateStatus (*inplace_callback)(char* existing_value,
+ uint34_t* existing_value_size,
+ Slice delta_value,
+ std::string* merged_value);
+ std::vector<DbPath> cf_paths;
+ */
+ {"report_bg_io_stats",
+ {offset_of(&ColumnFamilyOptions::report_bg_io_stats),
+ OptionType::kBoolean, OptionVerificationType::kNormal, true,
+ offsetof(struct MutableCFOptions, report_bg_io_stats)}},
+ {"compaction_measure_io_stats",
+ {0, OptionType::kBoolean, OptionVerificationType::kDeprecated, false,
+ 0}},
+ {"disable_auto_compactions",
+ {offset_of(&ColumnFamilyOptions::disable_auto_compactions),
+ OptionType::kBoolean, OptionVerificationType::kNormal, true,
+ offsetof(struct MutableCFOptions, disable_auto_compactions)}},
+ {"filter_deletes",
+ {0, OptionType::kBoolean, OptionVerificationType::kDeprecated, true,
+ 0}},
+ {"inplace_update_support",
+ {offset_of(&ColumnFamilyOptions::inplace_update_support),
+ OptionType::kBoolean, OptionVerificationType::kNormal, false, 0}},
+ {"level_compaction_dynamic_level_bytes",
+ {offset_of(&ColumnFamilyOptions::level_compaction_dynamic_level_bytes),
+ OptionType::kBoolean, OptionVerificationType::kNormal, false, 0}},
+ {"optimize_filters_for_hits",
+ {offset_of(&ColumnFamilyOptions::optimize_filters_for_hits),
+ OptionType::kBoolean, OptionVerificationType::kNormal, false, 0}},
+ {"paranoid_file_checks",
+ {offset_of(&ColumnFamilyOptions::paranoid_file_checks),
+ OptionType::kBoolean, OptionVerificationType::kNormal, true,
+ offsetof(struct MutableCFOptions, paranoid_file_checks)}},
+ {"force_consistency_checks",
+ {offset_of(&ColumnFamilyOptions::force_consistency_checks),
+ OptionType::kBoolean, OptionVerificationType::kNormal, false, 0}},
+ {"purge_redundant_kvs_while_flush",
+ {offset_of(&ColumnFamilyOptions::purge_redundant_kvs_while_flush),
+ OptionType::kBoolean, OptionVerificationType::kDeprecated, false, 0}},
+ {"verify_checksums_in_compaction",
+ {0, OptionType::kBoolean, OptionVerificationType::kDeprecated, true,
+ 0}},
+ {"soft_pending_compaction_bytes_limit",
+ {offset_of(&ColumnFamilyOptions::soft_pending_compaction_bytes_limit),
+ OptionType::kUInt64T, OptionVerificationType::kNormal, true,
+ offsetof(struct MutableCFOptions,
+ soft_pending_compaction_bytes_limit)}},
+ {"hard_pending_compaction_bytes_limit",
+ {offset_of(&ColumnFamilyOptions::hard_pending_compaction_bytes_limit),
+ OptionType::kUInt64T, OptionVerificationType::kNormal, true,
+ offsetof(struct MutableCFOptions,
+ hard_pending_compaction_bytes_limit)}},
+ {"hard_rate_limit",
+ {0, OptionType::kDouble, OptionVerificationType::kDeprecated, true,
+ 0}},
+ {"soft_rate_limit",
+ {0, OptionType::kDouble, OptionVerificationType::kDeprecated, true,
+ 0}},
+ {"max_compaction_bytes",
+ {offset_of(&ColumnFamilyOptions::max_compaction_bytes),
+ OptionType::kUInt64T, OptionVerificationType::kNormal, true,
+ offsetof(struct MutableCFOptions, max_compaction_bytes)}},
+ {"expanded_compaction_factor",
+ {0, OptionType::kInt, OptionVerificationType::kDeprecated, true, 0}},
+ {"level0_file_num_compaction_trigger",
+ {offset_of(&ColumnFamilyOptions::level0_file_num_compaction_trigger),
+ OptionType::kInt, OptionVerificationType::kNormal, true,
+ offsetof(struct MutableCFOptions,
+ level0_file_num_compaction_trigger)}},
+ {"level0_slowdown_writes_trigger",
+ {offset_of(&ColumnFamilyOptions::level0_slowdown_writes_trigger),
+ OptionType::kInt, OptionVerificationType::kNormal, true,
+ offsetof(struct MutableCFOptions, level0_slowdown_writes_trigger)}},
+ {"level0_stop_writes_trigger",
+ {offset_of(&ColumnFamilyOptions::level0_stop_writes_trigger),
+ OptionType::kInt, OptionVerificationType::kNormal, true,
+ offsetof(struct MutableCFOptions, level0_stop_writes_trigger)}},
+ {"max_grandparent_overlap_factor",
+ {0, OptionType::kInt, OptionVerificationType::kDeprecated, true, 0}},
+ {"max_mem_compaction_level",
+ {0, OptionType::kInt, OptionVerificationType::kDeprecated, false, 0}},
+ {"max_write_buffer_number",
+ {offset_of(&ColumnFamilyOptions::max_write_buffer_number),
+ OptionType::kInt, OptionVerificationType::kNormal, true,
+ offsetof(struct MutableCFOptions, max_write_buffer_number)}},
+ {"max_write_buffer_number_to_maintain",
+ {offset_of(&ColumnFamilyOptions::max_write_buffer_number_to_maintain),
+ OptionType::kInt, OptionVerificationType::kNormal, false, 0}},
+ {"min_write_buffer_number_to_merge",
+ {offset_of(&ColumnFamilyOptions::min_write_buffer_number_to_merge),
+ OptionType::kInt, OptionVerificationType::kNormal, false, 0}},
+ {"num_levels",
+ {offset_of(&ColumnFamilyOptions::num_levels), OptionType::kInt,
+ OptionVerificationType::kNormal, false, 0}},
+ {"source_compaction_factor",
+ {0, OptionType::kInt, OptionVerificationType::kDeprecated, true, 0}},
+ {"target_file_size_multiplier",
+ {offset_of(&ColumnFamilyOptions::target_file_size_multiplier),
+ OptionType::kInt, OptionVerificationType::kNormal, true,
+ offsetof(struct MutableCFOptions, target_file_size_multiplier)}},
+ {"arena_block_size",
+ {offset_of(&ColumnFamilyOptions::arena_block_size), OptionType::kSizeT,
+ OptionVerificationType::kNormal, true,
+ offsetof(struct MutableCFOptions, arena_block_size)}},
+ {"inplace_update_num_locks",
+ {offset_of(&ColumnFamilyOptions::inplace_update_num_locks),
+ OptionType::kSizeT, OptionVerificationType::kNormal, true,
+ offsetof(struct MutableCFOptions, inplace_update_num_locks)}},
+ {"max_successive_merges",
+ {offset_of(&ColumnFamilyOptions::max_successive_merges),
+ OptionType::kSizeT, OptionVerificationType::kNormal, true,
+ offsetof(struct MutableCFOptions, max_successive_merges)}},
+ {"memtable_huge_page_size",
+ {offset_of(&ColumnFamilyOptions::memtable_huge_page_size),
+ OptionType::kSizeT, OptionVerificationType::kNormal, true,
+ offsetof(struct MutableCFOptions, memtable_huge_page_size)}},
+ {"memtable_prefix_bloom_huge_page_tlb_size",
+ {0, OptionType::kSizeT, OptionVerificationType::kDeprecated, true, 0}},
+ {"write_buffer_size",
+ {offset_of(&ColumnFamilyOptions::write_buffer_size),
+ OptionType::kSizeT, OptionVerificationType::kNormal, true,
+ offsetof(struct MutableCFOptions, write_buffer_size)}},
+ {"bloom_locality",
+ {offset_of(&ColumnFamilyOptions::bloom_locality), OptionType::kUInt32T,
+ OptionVerificationType::kNormal, false, 0}},
+ {"memtable_prefix_bloom_bits",
+ {0, OptionType::kUInt32T, OptionVerificationType::kDeprecated, true,
+ 0}},
+ {"memtable_prefix_bloom_size_ratio",
+ {offset_of(&ColumnFamilyOptions::memtable_prefix_bloom_size_ratio),
+ OptionType::kDouble, OptionVerificationType::kNormal, true,
+ offsetof(struct MutableCFOptions, memtable_prefix_bloom_size_ratio)}},
+ {"memtable_prefix_bloom_probes",
+ {0, OptionType::kUInt32T, OptionVerificationType::kDeprecated, true,
+ 0}},
+ {"memtable_whole_key_filtering",
+ {offset_of(&ColumnFamilyOptions::memtable_whole_key_filtering),
+ OptionType::kBoolean, OptionVerificationType::kNormal, true,
+ offsetof(struct MutableCFOptions, memtable_whole_key_filtering)}},
+ {"min_partial_merge_operands",
+ {0, OptionType::kUInt32T, OptionVerificationType::kDeprecated, true,
+ 0}},
+ {"max_bytes_for_level_base",
+ {offset_of(&ColumnFamilyOptions::max_bytes_for_level_base),
+ OptionType::kUInt64T, OptionVerificationType::kNormal, true,
+ offsetof(struct MutableCFOptions, max_bytes_for_level_base)}},
+ {"max_bytes_for_level_multiplier",
+ {offset_of(&ColumnFamilyOptions::max_bytes_for_level_multiplier),
+ OptionType::kDouble, OptionVerificationType::kNormal, true,
+ offsetof(struct MutableCFOptions, max_bytes_for_level_multiplier)}},
+ {"max_bytes_for_level_multiplier_additional",
+ {offset_of(
+ &ColumnFamilyOptions::max_bytes_for_level_multiplier_additional),
+ OptionType::kVectorInt, OptionVerificationType::kNormal, true,
+ offsetof(struct MutableCFOptions,
+ max_bytes_for_level_multiplier_additional)}},
+ {"max_sequential_skip_in_iterations",
+ {offset_of(&ColumnFamilyOptions::max_sequential_skip_in_iterations),
+ OptionType::kUInt64T, OptionVerificationType::kNormal, true,
+ offsetof(struct MutableCFOptions,
+ max_sequential_skip_in_iterations)}},
+ {"target_file_size_base",
+ {offset_of(&ColumnFamilyOptions::target_file_size_base),
+ OptionType::kUInt64T, OptionVerificationType::kNormal, true,
+ offsetof(struct MutableCFOptions, target_file_size_base)}},
+ {"rate_limit_delay_max_milliseconds",
+ {0, OptionType::kUInt, OptionVerificationType::kDeprecated, false, 0}},
+ {"compression",
+ {offset_of(&ColumnFamilyOptions::compression),
+ OptionType::kCompressionType, OptionVerificationType::kNormal, true,
+ offsetof(struct MutableCFOptions, compression)}},
+ {"compression_per_level",
+ {offset_of(&ColumnFamilyOptions::compression_per_level),
+ OptionType::kVectorCompressionType, OptionVerificationType::kNormal,
+ false, 0}},
+ {"bottommost_compression",
+ {offset_of(&ColumnFamilyOptions::bottommost_compression),
+ OptionType::kCompressionType, OptionVerificationType::kNormal, false,
+ 0}},
+ {kNameComparator,
+ {offset_of(&ColumnFamilyOptions::comparator), OptionType::kComparator,
+ OptionVerificationType::kByName, false, 0}},
+ {"prefix_extractor",
+ {offset_of(&ColumnFamilyOptions::prefix_extractor),
+ OptionType::kSliceTransform, OptionVerificationType::kByNameAllowNull,
+ true, offsetof(struct MutableCFOptions, prefix_extractor)}},
+ {"memtable_insert_with_hint_prefix_extractor",
+ {offset_of(
+ &ColumnFamilyOptions::memtable_insert_with_hint_prefix_extractor),
+ OptionType::kSliceTransform, OptionVerificationType::kByNameAllowNull,
+ false, 0}},
+ {"memtable_factory",
+ {offset_of(&ColumnFamilyOptions::memtable_factory),
+ OptionType::kMemTableRepFactory, OptionVerificationType::kByName,
+ false, 0}},
+ {"table_factory",
+ {offset_of(&ColumnFamilyOptions::table_factory),
+ OptionType::kTableFactory, OptionVerificationType::kByName, false,
+ 0}},
+ {"compaction_filter",
+ {offset_of(&ColumnFamilyOptions::compaction_filter),
+ OptionType::kCompactionFilter, OptionVerificationType::kByName, false,
+ 0}},
+ {"compaction_filter_factory",
+ {offset_of(&ColumnFamilyOptions::compaction_filter_factory),
+ OptionType::kCompactionFilterFactory, OptionVerificationType::kByName,
+ false, 0}},
+ {kNameMergeOperator,
+ {offset_of(&ColumnFamilyOptions::merge_operator),
+ OptionType::kMergeOperator,
+ OptionVerificationType::kByNameAllowFromNull, false, 0}},
+ {"compaction_style",
+ {offset_of(&ColumnFamilyOptions::compaction_style),
+ OptionType::kCompactionStyle, OptionVerificationType::kNormal, false,
+ 0}},
+ {"compaction_pri",
+ {offset_of(&ColumnFamilyOptions::compaction_pri),
+ OptionType::kCompactionPri, OptionVerificationType::kNormal, false,
+ 0}},
+ {"compaction_options_fifo",
+ {offset_of(&ColumnFamilyOptions::compaction_options_fifo),
+ OptionType::kCompactionOptionsFIFO, OptionVerificationType::kNormal,
+ true, offsetof(struct MutableCFOptions, compaction_options_fifo)}},
+ {"compaction_options_universal",
+ {offset_of(&ColumnFamilyOptions::compaction_options_universal),
+ OptionType::kCompactionOptionsUniversal,
+ OptionVerificationType::kNormal, true,
+ offsetof(struct MutableCFOptions, compaction_options_universal)}},
+ {"ttl",
+ {offset_of(&ColumnFamilyOptions::ttl), OptionType::kUInt64T,
+ OptionVerificationType::kNormal, true,
+ offsetof(struct MutableCFOptions, ttl)}},
+ {"sample_for_compression",
+ {offset_of(&ColumnFamilyOptions::sample_for_compression),
+ OptionType::kUInt64T, OptionVerificationType::kNormal, true,
+ offsetof(struct MutableCFOptions, sample_for_compression)}}};
+
+std::unordered_map<std::string, OptionTypeInfo>
+ OptionsHelper::fifo_compaction_options_type_info = {
+ {"max_table_files_size",
+ {offset_of(&CompactionOptionsFIFO::max_table_files_size),
+ OptionType::kUInt64T, OptionVerificationType::kNormal, true,
+ offsetof(struct CompactionOptionsFIFO, max_table_files_size)}},
+ {"ttl",
+ {0, OptionType::kUInt64T,
+ OptionVerificationType::kDeprecated, false,
+ 0}},
+ {"allow_compaction",
+ {offset_of(&CompactionOptionsFIFO::allow_compaction),
+ OptionType::kBoolean, OptionVerificationType::kNormal, true,
+ offsetof(struct CompactionOptionsFIFO, allow_compaction)}}};
+
+std::unordered_map<std::string, OptionTypeInfo>
+ OptionsHelper::universal_compaction_options_type_info = {
+ {"size_ratio",
+ {offset_of(&CompactionOptionsUniversal::size_ratio), OptionType::kUInt,
+ OptionVerificationType::kNormal, true,
+ offsetof(class CompactionOptionsUniversal, size_ratio)}},
+ {"min_merge_width",
+ {offset_of(&CompactionOptionsUniversal::min_merge_width),
+ OptionType::kUInt, OptionVerificationType::kNormal, true,
+ offsetof(class CompactionOptionsUniversal, min_merge_width)}},
+ {"max_merge_width",
+ {offset_of(&CompactionOptionsUniversal::max_merge_width),
+ OptionType::kUInt, OptionVerificationType::kNormal, true,
+ offsetof(class CompactionOptionsUniversal, max_merge_width)}},
+ {"max_size_amplification_percent",
+ {offset_of(
+ &CompactionOptionsUniversal::max_size_amplification_percent),
+ OptionType::kUInt, OptionVerificationType::kNormal, true,
+ offsetof(class CompactionOptionsUniversal,
+ max_size_amplification_percent)}},
+ {"compression_size_percent",
+ {offset_of(&CompactionOptionsUniversal::compression_size_percent),
+ OptionType::kInt, OptionVerificationType::kNormal, true,
+ offsetof(class CompactionOptionsUniversal,
+ compression_size_percent)}},
+ {"stop_style",
+ {offset_of(&CompactionOptionsUniversal::stop_style),
+ OptionType::kCompactionStopStyle, OptionVerificationType::kNormal,
+ true, offsetof(class CompactionOptionsUniversal, stop_style)}},
+ {"allow_trivial_move",
+ {offset_of(&CompactionOptionsUniversal::allow_trivial_move),
+ OptionType::kBoolean, OptionVerificationType::kNormal, true,
+ offsetof(class CompactionOptionsUniversal, allow_trivial_move)}}};
+
+std::unordered_map<std::string, CompactionStopStyle>
+ OptionsHelper::compaction_stop_style_string_map = {
+ {"kCompactionStopStyleSimilarSize", kCompactionStopStyleSimilarSize},
+ {"kCompactionStopStyleTotalSize", kCompactionStopStyleTotalSize}};
+
+std::unordered_map<std::string, OptionTypeInfo>
+ OptionsHelper::lru_cache_options_type_info = {
+ {"capacity",
+ {offset_of(&LRUCacheOptions::capacity), OptionType::kSizeT,
+ OptionVerificationType::kNormal, true,
+ offsetof(struct LRUCacheOptions, capacity)}},
+ {"num_shard_bits",
+ {offset_of(&LRUCacheOptions::num_shard_bits), OptionType::kInt,
+ OptionVerificationType::kNormal, true,
+ offsetof(struct LRUCacheOptions, num_shard_bits)}},
+ {"strict_capacity_limit",
+ {offset_of(&LRUCacheOptions::strict_capacity_limit),
+ OptionType::kBoolean, OptionVerificationType::kNormal, true,
+ offsetof(struct LRUCacheOptions, strict_capacity_limit)}},
+ {"high_pri_pool_ratio",
+ {offset_of(&LRUCacheOptions::high_pri_pool_ratio), OptionType::kDouble,
+ OptionVerificationType::kNormal, true,
+ offsetof(struct LRUCacheOptions, high_pri_pool_ratio)}}};
+
+#endif // !ROCKSDB_LITE
+
+} // namespace rocksdb