1 files changed, 156 insertions, 0 deletions
diff --git a/src/rocksdb/options/db_options.h b/src/rocksdb/options/db_options.h
new file mode 100644
index 000000000..8946f60ff
--- /dev/null
+++ b/src/rocksdb/options/db_options.h
@@ -0,0 +1,156 @@
+// Copyright (c) 2011-present, Facebook, Inc.  All rights reserved.
+//  This source code is licensed under both the GPLv2 (found in the
+//  COPYING file in the root directory) and Apache 2.0 License
+//  (found in the LICENSE.Apache file in the root directory).
+
+#pragma once
+
+#include <string>
+#include <vector>
+
+#include "rocksdb/options.h"
+
+namespace ROCKSDB_NAMESPACE {
+class SystemClock;
+
+struct ImmutableDBOptions {
+  static const char* kName() { return "ImmutableDBOptions"; }
+  ImmutableDBOptions();
+  explicit ImmutableDBOptions(const DBOptions& options);
+
+  void Dump(Logger* log) const;
+
+  bool create_if_missing;
+  bool create_missing_column_families;
+  bool error_if_exists;
+  bool paranoid_checks;
+  bool flush_verify_memtable_count;
+  bool track_and_verify_wals_in_manifest;
+  bool verify_sst_unique_id_in_manifest;
+  Env* env;
+  std::shared_ptr<RateLimiter> rate_limiter;
+  std::shared_ptr<SstFileManager> sst_file_manager;
+  std::shared_ptr<Logger> info_log;
+  InfoLogLevel info_log_level;
+  int max_file_opening_threads;
+  std::shared_ptr<Statistics> statistics;
+  bool use_fsync;
+  std::vector<DbPath> db_paths;
+  std::string db_log_dir;
+  // The wal_dir option from the file.  To determine the
+  // directory in use, the GetWalDir or IsWalDirSameAsDBPath
+  // methods should be used instead of accessing this variable directly.
+  std::string wal_dir;
+  size_t max_log_file_size;
+  size_t log_file_time_to_roll;
+  size_t keep_log_file_num;
+  size_t recycle_log_file_num;
+  uint64_t max_manifest_file_size;
+  int table_cache_numshardbits;
+  uint64_t WAL_ttl_seconds;
+  uint64_t WAL_size_limit_MB;
+  uint64_t max_write_batch_group_size_bytes;
+  size_t manifest_preallocation_size;
+  bool allow_mmap_reads;
+  bool allow_mmap_writes;
+  bool use_direct_reads;
+  bool use_direct_io_for_flush_and_compaction;
+  bool allow_fallocate;
+  bool is_fd_close_on_exec;
+  bool advise_random_on_open;
+  size_t db_write_buffer_size;
+  std::shared_ptr<WriteBufferManager> write_buffer_manager;
+  DBOptions::AccessHint access_hint_on_compaction_start;
+  size_t random_access_max_buffer_size;
+  bool use_adaptive_mutex;
+  std::vector<std::shared_ptr<EventListener>> listeners;
+  bool enable_thread_tracking;
+  bool enable_pipelined_write;
+  bool unordered_write;
+  bool allow_concurrent_memtable_write;
+  bool enable_write_thread_adaptive_yield;
+  uint64_t write_thread_max_yield_usec;
+  uint64_t write_thread_slow_yield_usec;
+  bool skip_stats_update_on_db_open;
+  bool skip_checking_sst_file_sizes_on_db_open;
+  WALRecoveryMode wal_recovery_mode;
+  bool allow_2pc;
+  std::shared_ptr<Cache> row_cache;
+#ifndef ROCKSDB_LITE
+  WalFilter* wal_filter;
+#endif  // ROCKSDB_LITE
+  bool fail_if_options_file_error;
+  bool dump_malloc_stats;
+  bool avoid_flush_during_recovery;
+  bool allow_ingest_behind;
+  bool two_write_queues;
+  bool manual_wal_flush;
+  CompressionType wal_compression;
+  bool atomic_flush;
+  bool avoid_unnecessary_blocking_io;
+  bool persist_stats_to_disk;
+  bool write_dbid_to_manifest;
+  size_t log_readahead_size;
+  std::shared_ptr<FileChecksumGenFactory> file_checksum_gen_factory;
+  bool best_efforts_recovery;
+  int max_bgerror_resume_count;
+  uint64_t bgerror_resume_retry_interval;
+  bool allow_data_in_errors;
+  std::string db_host_id;
+  FileTypeSet checksum_handoff_file_types;
+  CacheTier lowest_used_cache_tier;
+  // Convenience/Helper objects that are not part of the base DBOptions
+  std::shared_ptr<FileSystem> fs;
+  SystemClock* clock;
+  Statistics* stats;
+  Logger* logger;
+  std::shared_ptr<CompactionService> compaction_service;
+  bool enforce_single_del_contracts;
+
+  bool IsWalDirSameAsDBPath() const;
+  bool IsWalDirSameAsDBPath(const std::string& path) const;
+  const std::string& GetWalDir() const;
+  const std::string& GetWalDir(const std::string& path) const;
+};
+
+struct MutableDBOptions {
+  static const char* kName() { return "MutableDBOptions"; }
+  MutableDBOptions();
+  explicit MutableDBOptions(const DBOptions& options);
+
+  void Dump(Logger* log) const;
+
+  int max_background_jobs;
+  int max_background_compactions;
+  uint32_t max_subcompactions;
+  bool avoid_flush_during_shutdown;
+  size_t writable_file_max_buffer_size;
+  uint64_t delayed_write_rate;
+  uint64_t max_total_wal_size;
+  uint64_t delete_obsolete_files_period_micros;
+  unsigned int stats_dump_period_sec;
+  unsigned int stats_persist_period_sec;
+  size_t stats_history_buffer_size;
+  int max_open_files;
+  uint64_t bytes_per_sync;
+  uint64_t wal_bytes_per_sync;
+  bool strict_bytes_per_sync;
+  size_t compaction_readahead_size;
+  int max_background_flushes;
+};
+
+#ifndef ROCKSDB_LITE
+Status GetStringFromMutableDBOptions(const ConfigOptions& config_options,
+                                     const MutableDBOptions& mutable_opts,
+                                     std::string* opt_string);
+
+Status GetMutableDBOptionsFromStrings(
+    const MutableDBOptions& base_options,
+    const std::unordered_map<std::string, std::string>& options_map,
+    MutableDBOptions* new_options);
+
+bool MutableDBOptionsAreEqual(const MutableDBOptions& this_options,
+                              const MutableDBOptions& that_options);
+#endif  // ROCKSDB_LITE
+
+}  // namespace ROCKSDB_NAMESPACE