1 files changed, 269 insertions, 0 deletions
diff --git a/src/rocksdb/options/cf_options.h b/src/rocksdb/options/cf_options.h
new file mode 100644
index 000000000..b53ed840f
--- /dev/null
+++ b/src/rocksdb/options/cf_options.h
@@ -0,0 +1,269 @@
+// 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 "db/dbformat.h"
+#include "options/db_options.h"
+#include "rocksdb/options.h"
+#include "util/compression.h"
+
+namespace ROCKSDB_NAMESPACE {
+
+// ImmutableCFOptions is a data struct used by RocksDB internal. It contains a
+// subset of Options that should not be changed during the entire lifetime
+// of DB. Raw pointers defined in this struct do not have ownership to the data
+// they point to. Options contains std::shared_ptr to these data.
+struct ImmutableCFOptions {
+  explicit ImmutableCFOptions(const Options& options);
+
+  ImmutableCFOptions(const ImmutableDBOptions& db_options,
+                     const ColumnFamilyOptions& cf_options);
+
+  CompactionStyle compaction_style;
+
+  CompactionPri compaction_pri;
+
+  const Comparator* user_comparator;
+  InternalKeyComparator internal_comparator;
+
+  MergeOperator* merge_operator;
+
+  const CompactionFilter* compaction_filter;
+
+  CompactionFilterFactory* compaction_filter_factory;
+
+  int min_write_buffer_number_to_merge;
+
+  int max_write_buffer_number_to_maintain;
+
+  int64_t max_write_buffer_size_to_maintain;
+
+  bool inplace_update_support;
+
+  UpdateStatus (*inplace_callback)(char* existing_value,
+                                   uint32_t* existing_value_size,
+                                   Slice delta_value,
+                                   std::string* merged_value);
+
+  Logger* info_log;
+
+  Statistics* statistics;
+
+  RateLimiter* rate_limiter;
+
+  InfoLogLevel info_log_level;
+
+  Env* env;
+
+  FileSystem* fs;
+
+  // Allow the OS to mmap file for reading sst tables. Default: false
+  bool allow_mmap_reads;
+
+  // Allow the OS to mmap file for writing. Default: false
+  bool allow_mmap_writes;
+
+  std::vector<DbPath> db_paths;
+
+  MemTableRepFactory* memtable_factory;
+
+  TableFactory* table_factory;
+
+  Options::TablePropertiesCollectorFactories
+      table_properties_collector_factories;
+
+  bool advise_random_on_open;
+
+  // This options is required by PlainTableReader. May need to move it
+  // to PlainTableOptions just like bloom_bits_per_key
+  uint32_t bloom_locality;
+
+  bool purge_redundant_kvs_while_flush;
+
+  bool use_fsync;
+
+  std::vector<CompressionType> compression_per_level;
+
+  CompressionType bottommost_compression;
+
+  CompressionOptions bottommost_compression_opts;
+
+  CompressionOptions compression_opts;
+
+  bool level_compaction_dynamic_level_bytes;
+
+  Options::AccessHint access_hint_on_compaction_start;
+
+  bool new_table_reader_for_compaction_inputs;
+
+  int num_levels;
+
+  bool optimize_filters_for_hits;
+
+  bool force_consistency_checks;
+
+  bool allow_ingest_behind;
+
+  bool preserve_deletes;
+
+  // A vector of EventListeners which callback functions will be called
+  // when specific RocksDB event happens.
+  std::vector<std::shared_ptr<EventListener>> listeners;
+
+  std::shared_ptr<Cache> row_cache;
+
+  uint32_t max_subcompactions;
+
+  const SliceTransform* memtable_insert_with_hint_prefix_extractor;
+
+  std::vector<DbPath> cf_paths;
+
+  std::shared_ptr<ConcurrentTaskLimiter> compaction_thread_limiter;
+
+  FileChecksumFunc* sst_file_checksum_func;
+};
+
+struct MutableCFOptions {
+  explicit MutableCFOptions(const ColumnFamilyOptions& options)
+      : write_buffer_size(options.write_buffer_size),
+        max_write_buffer_number(options.max_write_buffer_number),
+        arena_block_size(options.arena_block_size),
+        memtable_prefix_bloom_size_ratio(
+            options.memtable_prefix_bloom_size_ratio),
+        memtable_whole_key_filtering(options.memtable_whole_key_filtering),
+        memtable_huge_page_size(options.memtable_huge_page_size),
+        max_successive_merges(options.max_successive_merges),
+        inplace_update_num_locks(options.inplace_update_num_locks),
+        prefix_extractor(options.prefix_extractor),
+        disable_auto_compactions(options.disable_auto_compactions),
+        soft_pending_compaction_bytes_limit(
+            options.soft_pending_compaction_bytes_limit),
+        hard_pending_compaction_bytes_limit(
+            options.hard_pending_compaction_bytes_limit),
+        level0_file_num_compaction_trigger(
+            options.level0_file_num_compaction_trigger),
+        level0_slowdown_writes_trigger(options.level0_slowdown_writes_trigger),
+        level0_stop_writes_trigger(options.level0_stop_writes_trigger),
+        max_compaction_bytes(options.max_compaction_bytes),
+        target_file_size_base(options.target_file_size_base),
+        target_file_size_multiplier(options.target_file_size_multiplier),
+        max_bytes_for_level_base(options.max_bytes_for_level_base),
+        max_bytes_for_level_multiplier(options.max_bytes_for_level_multiplier),
+        ttl(options.ttl),
+        periodic_compaction_seconds(options.periodic_compaction_seconds),
+        max_bytes_for_level_multiplier_additional(
+            options.max_bytes_for_level_multiplier_additional),
+        compaction_options_fifo(options.compaction_options_fifo),
+        compaction_options_universal(options.compaction_options_universal),
+        max_sequential_skip_in_iterations(
+            options.max_sequential_skip_in_iterations),
+        paranoid_file_checks(options.paranoid_file_checks),
+        report_bg_io_stats(options.report_bg_io_stats),
+        compression(options.compression),
+        sample_for_compression(options.sample_for_compression) {
+    RefreshDerivedOptions(options.num_levels, options.compaction_style);
+  }
+
+  MutableCFOptions()
+      : write_buffer_size(0),
+        max_write_buffer_number(0),
+        arena_block_size(0),
+        memtable_prefix_bloom_size_ratio(0),
+        memtable_whole_key_filtering(false),
+        memtable_huge_page_size(0),
+        max_successive_merges(0),
+        inplace_update_num_locks(0),
+        prefix_extractor(nullptr),
+        disable_auto_compactions(false),
+        soft_pending_compaction_bytes_limit(0),
+        hard_pending_compaction_bytes_limit(0),
+        level0_file_num_compaction_trigger(0),
+        level0_slowdown_writes_trigger(0),
+        level0_stop_writes_trigger(0),
+        max_compaction_bytes(0),
+        target_file_size_base(0),
+        target_file_size_multiplier(0),
+        max_bytes_for_level_base(0),
+        max_bytes_for_level_multiplier(0),
+        ttl(0),
+        periodic_compaction_seconds(0),
+        compaction_options_fifo(),
+        max_sequential_skip_in_iterations(0),
+        paranoid_file_checks(false),
+        report_bg_io_stats(false),
+        compression(Snappy_Supported() ? kSnappyCompression : kNoCompression),
+        sample_for_compression(0) {}
+
+  explicit MutableCFOptions(const Options& options);
+
+  // Must be called after any change to MutableCFOptions
+  void RefreshDerivedOptions(int num_levels, CompactionStyle compaction_style);
+
+  void RefreshDerivedOptions(const ImmutableCFOptions& ioptions) {
+    RefreshDerivedOptions(ioptions.num_levels, ioptions.compaction_style);
+  }
+
+  int MaxBytesMultiplerAdditional(int level) const {
+    if (level >=
+        static_cast<int>(max_bytes_for_level_multiplier_additional.size())) {
+      return 1;
+    }
+    return max_bytes_for_level_multiplier_additional[level];
+  }
+
+  void Dump(Logger* log) const;
+
+  // Memtable related options
+  size_t write_buffer_size;
+  int max_write_buffer_number;
+  size_t arena_block_size;
+  double memtable_prefix_bloom_size_ratio;
+  bool memtable_whole_key_filtering;
+  size_t memtable_huge_page_size;
+  size_t max_successive_merges;
+  size_t inplace_update_num_locks;
+  std::shared_ptr<const SliceTransform> prefix_extractor;
+
+  // Compaction related options
+  bool disable_auto_compactions;
+  uint64_t soft_pending_compaction_bytes_limit;
+  uint64_t hard_pending_compaction_bytes_limit;
+  int level0_file_num_compaction_trigger;
+  int level0_slowdown_writes_trigger;
+  int level0_stop_writes_trigger;
+  uint64_t max_compaction_bytes;
+  uint64_t target_file_size_base;
+  int target_file_size_multiplier;
+  uint64_t max_bytes_for_level_base;
+  double max_bytes_for_level_multiplier;
+  uint64_t ttl;
+  uint64_t periodic_compaction_seconds;
+  std::vector<int> max_bytes_for_level_multiplier_additional;
+  CompactionOptionsFIFO compaction_options_fifo;
+  CompactionOptionsUniversal compaction_options_universal;
+
+  // Misc options
+  uint64_t max_sequential_skip_in_iterations;
+  bool paranoid_file_checks;
+  bool report_bg_io_stats;
+  CompressionType compression;
+  uint64_t sample_for_compression;
+
+  // Derived options
+  // Per-level target file size.
+  std::vector<uint64_t> max_file_size;
+};
+
+uint64_t MultiplyCheckOverflow(uint64_t op1, double op2);
+
+// Get the max file size in a given level.
+uint64_t MaxFileSizeForLevel(const MutableCFOptions& cf_options,
+    int level, CompactionStyle compaction_style, int base_level = 1,
+    bool level_compaction_dynamic_level_bytes = false);
+}  // namespace ROCKSDB_NAMESPACE