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Diffstat (limited to 'src/rocksdb/db/c.cc')
| -rw-r--r-- | src/rocksdb/db/c.cc | 4296 |
1 files changed, 4296 insertions, 0 deletions
diff --git a/src/rocksdb/db/c.cc b/src/rocksdb/db/c.cc new file mode 100644 index 00000000..8610871a --- /dev/null +++ b/src/rocksdb/db/c.cc @@ -0,0 +1,4296 @@ +// 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). +// +// Copyright (c) 2011 The LevelDB Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. See the AUTHORS file for names of contributors. + +#ifndef ROCKSDB_LITE + +#include "rocksdb/c.h" + +#include <stdlib.h> +#include "port/port.h" +#include "rocksdb/cache.h" +#include "rocksdb/compaction_filter.h" +#include "rocksdb/comparator.h" +#include "rocksdb/convenience.h" +#include "rocksdb/db.h" +#include "rocksdb/env.h" +#include "rocksdb/filter_policy.h" +#include "rocksdb/iterator.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/statistics.h" +#include "rocksdb/status.h" +#include "rocksdb/table.h" +#include "rocksdb/universal_compaction.h" +#include "rocksdb/utilities/backupable_db.h" +#include "rocksdb/utilities/checkpoint.h" +#include "rocksdb/utilities/db_ttl.h" +#include "rocksdb/utilities/memory_util.h" +#include "rocksdb/utilities/optimistic_transaction_db.h" +#include "rocksdb/utilities/transaction.h" +#include "rocksdb/utilities/transaction_db.h" +#include "rocksdb/utilities/write_batch_with_index.h" +#include "rocksdb/write_batch.h" +#include "rocksdb/perf_context.h" +#include "utilities/merge_operators.h" + +#include <vector> +#include <unordered_set> +#include <map> + +using rocksdb::BytewiseComparator; +using rocksdb::Cache; +using rocksdb::ColumnFamilyDescriptor; +using rocksdb::ColumnFamilyHandle; +using rocksdb::ColumnFamilyOptions; +using rocksdb::CompactionFilter; +using rocksdb::CompactionFilterFactory; +using rocksdb::CompactionFilterContext; +using rocksdb::CompactionOptionsFIFO; +using rocksdb::Comparator; +using rocksdb::CompressionType; +using rocksdb::WALRecoveryMode; +using rocksdb::DB; +using rocksdb::DBOptions; +using rocksdb::DbPath; +using rocksdb::Env; +using rocksdb::EnvOptions; +using rocksdb::InfoLogLevel; +using rocksdb::FileLock; +using rocksdb::FilterPolicy; +using rocksdb::FlushOptions; +using rocksdb::IngestExternalFileOptions; +using rocksdb::Iterator; +using rocksdb::Logger; +using rocksdb::MergeOperator; +using rocksdb::MergeOperators; +using rocksdb::NewBloomFilterPolicy; +using rocksdb::NewLRUCache; +using rocksdb::Options; +using rocksdb::BlockBasedTableOptions; +using rocksdb::CuckooTableOptions; +using rocksdb::RandomAccessFile; +using rocksdb::Range; +using rocksdb::ReadOptions; +using rocksdb::SequentialFile; +using rocksdb::Slice; +using rocksdb::SliceParts; +using rocksdb::SliceTransform; +using rocksdb::Snapshot; +using rocksdb::SstFileWriter; +using rocksdb::Status; +using rocksdb::WritableFile; +using rocksdb::WriteBatch; +using rocksdb::WriteBatchWithIndex; +using rocksdb::WriteOptions; +using rocksdb::LiveFileMetaData; +using rocksdb::BackupEngine; +using rocksdb::BackupableDBOptions; +using rocksdb::BackupInfo; +using rocksdb::BackupID; +using rocksdb::RestoreOptions; +using rocksdb::CompactRangeOptions; +using rocksdb::BottommostLevelCompaction; +using rocksdb::RateLimiter; +using rocksdb::NewGenericRateLimiter; +using rocksdb::PinnableSlice; +using rocksdb::TransactionDBOptions; +using rocksdb::TransactionDB; +using rocksdb::TransactionOptions; +using rocksdb::OptimisticTransactionDB; +using rocksdb::OptimisticTransactionOptions; +using rocksdb::Transaction; +using rocksdb::Checkpoint; +using rocksdb::TransactionLogIterator; +using rocksdb::BatchResult; +using rocksdb::PerfLevel; +using rocksdb::PerfContext; +using rocksdb::MemoryUtil; + +using std::shared_ptr; +using std::vector; +using std::unordered_set; +using std::map; + +extern "C" { + +struct rocksdb_t { DB* rep; }; +struct rocksdb_backup_engine_t { BackupEngine* rep; }; +struct rocksdb_backup_engine_info_t { std::vector<BackupInfo> rep; }; +struct rocksdb_restore_options_t { RestoreOptions rep; }; +struct rocksdb_iterator_t { Iterator* rep; }; +struct rocksdb_writebatch_t { WriteBatch rep; }; +struct rocksdb_writebatch_wi_t { WriteBatchWithIndex* rep; }; +struct rocksdb_snapshot_t { const Snapshot* rep; }; +struct rocksdb_flushoptions_t { FlushOptions rep; }; +struct rocksdb_fifo_compaction_options_t { CompactionOptionsFIFO rep; }; +struct rocksdb_readoptions_t { + ReadOptions rep; + // stack variables to set pointers to in ReadOptions + Slice upper_bound; + Slice lower_bound; +}; +struct rocksdb_writeoptions_t { WriteOptions rep; }; +struct rocksdb_options_t { Options rep; }; +struct rocksdb_compactoptions_t { + CompactRangeOptions rep; +}; +struct rocksdb_block_based_table_options_t { BlockBasedTableOptions rep; }; +struct rocksdb_cuckoo_table_options_t { CuckooTableOptions rep; }; +struct rocksdb_seqfile_t { SequentialFile* rep; }; +struct rocksdb_randomfile_t { RandomAccessFile* rep; }; +struct rocksdb_writablefile_t { WritableFile* rep; }; +struct rocksdb_wal_iterator_t { TransactionLogIterator* rep; }; +struct rocksdb_wal_readoptions_t { TransactionLogIterator::ReadOptions rep; }; +struct rocksdb_filelock_t { FileLock* rep; }; +struct rocksdb_logger_t { + std::shared_ptr<Logger> rep; +}; +struct rocksdb_cache_t { + std::shared_ptr<Cache> rep; +}; +struct rocksdb_livefiles_t { std::vector<LiveFileMetaData> rep; }; +struct rocksdb_column_family_handle_t { ColumnFamilyHandle* rep; }; +struct rocksdb_envoptions_t { EnvOptions rep; }; +struct rocksdb_ingestexternalfileoptions_t { IngestExternalFileOptions rep; }; +struct rocksdb_sstfilewriter_t { SstFileWriter* rep; }; +struct rocksdb_ratelimiter_t { + std::shared_ptr<RateLimiter> rep; +}; +struct rocksdb_perfcontext_t { PerfContext* rep; }; +struct rocksdb_pinnableslice_t { + PinnableSlice rep; +}; +struct rocksdb_transactiondb_options_t { + TransactionDBOptions rep; +}; +struct rocksdb_transactiondb_t { + TransactionDB* rep; +}; +struct rocksdb_transaction_options_t { + TransactionOptions rep; +}; +struct rocksdb_transaction_t { + Transaction* rep; +}; +struct rocksdb_checkpoint_t { + Checkpoint* rep; +}; +struct rocksdb_optimistictransactiondb_t { + OptimisticTransactionDB* rep; +}; +struct rocksdb_optimistictransaction_options_t { + OptimisticTransactionOptions rep; +}; + +struct rocksdb_compactionfiltercontext_t { + CompactionFilter::Context rep; +}; + +struct rocksdb_compactionfilter_t : public CompactionFilter { + void* state_; + void (*destructor_)(void*); + unsigned char (*filter_)( + void*, + int level, + const char* key, size_t key_length, + const char* existing_value, size_t value_length, + char** new_value, size_t *new_value_length, + unsigned char* value_changed); + const char* (*name_)(void*); + unsigned char ignore_snapshots_; + + ~rocksdb_compactionfilter_t() override { (*destructor_)(state_); } + + bool Filter(int level, const Slice& key, const Slice& existing_value, + std::string* new_value, bool* value_changed) const override { + char* c_new_value = nullptr; + size_t new_value_length = 0; + unsigned char c_value_changed = 0; + unsigned char result = (*filter_)( + state_, + level, + key.data(), key.size(), + existing_value.data(), existing_value.size(), + &c_new_value, &new_value_length, &c_value_changed); + if (c_value_changed) { + new_value->assign(c_new_value, new_value_length); + *value_changed = true; + } + return result; + } + + const char* Name() const override { return (*name_)(state_); } + + bool IgnoreSnapshots() const override { return ignore_snapshots_; } +}; + +struct rocksdb_compactionfilterfactory_t : public CompactionFilterFactory { + void* state_; + void (*destructor_)(void*); + rocksdb_compactionfilter_t* (*create_compaction_filter_)( + void*, rocksdb_compactionfiltercontext_t* context); + const char* (*name_)(void*); + + ~rocksdb_compactionfilterfactory_t() override { (*destructor_)(state_); } + + std::unique_ptr<CompactionFilter> CreateCompactionFilter( + const CompactionFilter::Context& context) override { + rocksdb_compactionfiltercontext_t ccontext; + ccontext.rep = context; + CompactionFilter* cf = (*create_compaction_filter_)(state_, &ccontext); + return std::unique_ptr<CompactionFilter>(cf); + } + + const char* Name() const override { return (*name_)(state_); } +}; + +struct rocksdb_comparator_t : public Comparator { + void* state_; + void (*destructor_)(void*); + int (*compare_)( + void*, + const char* a, size_t alen, + const char* b, size_t blen); + const char* (*name_)(void*); + + ~rocksdb_comparator_t() override { (*destructor_)(state_); } + + int Compare(const Slice& a, const Slice& b) const override { + return (*compare_)(state_, a.data(), a.size(), b.data(), b.size()); + } + + const char* Name() const override { return (*name_)(state_); } + + // No-ops since the C binding does not support key shortening methods. + void FindShortestSeparator(std::string*, const Slice&) const override {} + void FindShortSuccessor(std::string* /*key*/) const override {} +}; + +struct rocksdb_filterpolicy_t : public FilterPolicy { + void* state_; + void (*destructor_)(void*); + const char* (*name_)(void*); + char* (*create_)( + void*, + const char* const* key_array, const size_t* key_length_array, + int num_keys, + size_t* filter_length); + unsigned char (*key_match_)( + void*, + const char* key, size_t length, + const char* filter, size_t filter_length); + void (*delete_filter_)( + void*, + const char* filter, size_t filter_length); + + ~rocksdb_filterpolicy_t() override { (*destructor_)(state_); } + + const char* Name() const override { return (*name_)(state_); } + + void CreateFilter(const Slice* keys, int n, std::string* dst) const override { + std::vector<const char*> key_pointers(n); + std::vector<size_t> key_sizes(n); + for (int i = 0; i < n; i++) { + key_pointers[i] = keys[i].data(); + key_sizes[i] = keys[i].size(); + } + size_t len; + char* filter = (*create_)(state_, &key_pointers[0], &key_sizes[0], n, &len); + dst->append(filter, len); + + if (delete_filter_ != nullptr) { + (*delete_filter_)(state_, filter, len); + } else { + free(filter); + } + } + + bool KeyMayMatch(const Slice& key, const Slice& filter) const override { + return (*key_match_)(state_, key.data(), key.size(), + filter.data(), filter.size()); + } +}; + +struct rocksdb_mergeoperator_t : public MergeOperator { + void* state_; + void (*destructor_)(void*); + const char* (*name_)(void*); + char* (*full_merge_)( + void*, + const char* key, size_t key_length, + const char* existing_value, size_t existing_value_length, + const char* const* operands_list, const size_t* operands_list_length, + int num_operands, + unsigned char* success, size_t* new_value_length); + char* (*partial_merge_)(void*, const char* key, size_t key_length, + const char* const* operands_list, + const size_t* operands_list_length, int num_operands, + unsigned char* success, size_t* new_value_length); + void (*delete_value_)( + void*, + const char* value, size_t value_length); + + ~rocksdb_mergeoperator_t() override { (*destructor_)(state_); } + + const char* Name() const override { return (*name_)(state_); } + + bool FullMergeV2(const MergeOperationInput& merge_in, + MergeOperationOutput* merge_out) const override { + size_t n = merge_in.operand_list.size(); + std::vector<const char*> operand_pointers(n); + std::vector<size_t> operand_sizes(n); + for (size_t i = 0; i < n; i++) { + Slice operand(merge_in.operand_list[i]); + operand_pointers[i] = operand.data(); + operand_sizes[i] = operand.size(); + } + + const char* existing_value_data = nullptr; + size_t existing_value_len = 0; + if (merge_in.existing_value != nullptr) { + existing_value_data = merge_in.existing_value->data(); + existing_value_len = merge_in.existing_value->size(); + } + + unsigned char success; + size_t new_value_len; + char* tmp_new_value = (*full_merge_)( + state_, merge_in.key.data(), merge_in.key.size(), existing_value_data, + existing_value_len, &operand_pointers[0], &operand_sizes[0], + static_cast<int>(n), &success, &new_value_len); + merge_out->new_value.assign(tmp_new_value, new_value_len); + + if (delete_value_ != nullptr) { + (*delete_value_)(state_, tmp_new_value, new_value_len); + } else { + free(tmp_new_value); + } + + return success; + } + + bool PartialMergeMulti(const Slice& key, + const std::deque<Slice>& operand_list, + std::string* new_value, + Logger* /*logger*/) const override { + size_t operand_count = operand_list.size(); + std::vector<const char*> operand_pointers(operand_count); + std::vector<size_t> operand_sizes(operand_count); + for (size_t i = 0; i < operand_count; ++i) { + Slice operand(operand_list[i]); + operand_pointers[i] = operand.data(); + operand_sizes[i] = operand.size(); + } + + unsigned char success; + size_t new_value_len; + char* tmp_new_value = (*partial_merge_)( + state_, key.data(), key.size(), &operand_pointers[0], &operand_sizes[0], + static_cast<int>(operand_count), &success, &new_value_len); + new_value->assign(tmp_new_value, new_value_len); + + if (delete_value_ != nullptr) { + (*delete_value_)(state_, tmp_new_value, new_value_len); + } else { + free(tmp_new_value); + } + + return success; + } +}; + +struct rocksdb_dbpath_t { + DbPath rep; +}; + +struct rocksdb_env_t { + Env* rep; + bool is_default; +}; + +struct rocksdb_slicetransform_t : public SliceTransform { + void* state_; + void (*destructor_)(void*); + const char* (*name_)(void*); + char* (*transform_)( + void*, + const char* key, size_t length, + size_t* dst_length); + unsigned char (*in_domain_)( + void*, + const char* key, size_t length); + unsigned char (*in_range_)( + void*, + const char* key, size_t length); + + ~rocksdb_slicetransform_t() override { (*destructor_)(state_); } + + const char* Name() const override { return (*name_)(state_); } + + Slice Transform(const Slice& src) const override { + size_t len; + char* dst = (*transform_)(state_, src.data(), src.size(), &len); + return Slice(dst, len); + } + + bool InDomain(const Slice& src) const override { + return (*in_domain_)(state_, src.data(), src.size()); + } + + bool InRange(const Slice& src) const override { + return (*in_range_)(state_, src.data(), src.size()); + } +}; + +struct rocksdb_universal_compaction_options_t { + rocksdb::CompactionOptionsUniversal *rep; +}; + +static bool SaveError(char** errptr, const Status& s) { + assert(errptr != nullptr); + if (s.ok()) { + return false; + } else if (*errptr == nullptr) { + *errptr = strdup(s.ToString().c_str()); + } else { + // TODO(sanjay): Merge with existing error? + // This is a bug if *errptr is not created by malloc() + free(*errptr); + *errptr = strdup(s.ToString().c_str()); + } + return true; +} + +static char* CopyString(const std::string& str) { + char* result = reinterpret_cast<char*>(malloc(sizeof(char) * str.size())); + memcpy(result, str.data(), sizeof(char) * str.size()); + return result; +} + +rocksdb_t* rocksdb_open( + const rocksdb_options_t* options, + const char* name, + char** errptr) { + DB* db; + if (SaveError(errptr, DB::Open(options->rep, std::string(name), &db))) { + return nullptr; + } + rocksdb_t* result = new rocksdb_t; + result->rep = db; + return result; +} + +rocksdb_t* rocksdb_open_with_ttl( + const rocksdb_options_t* options, + const char* name, + int ttl, + char** errptr) { + rocksdb::DBWithTTL* db; + if (SaveError(errptr, rocksdb::DBWithTTL::Open(options->rep, std::string(name), &db, ttl))) { + return nullptr; + } + rocksdb_t* result = new rocksdb_t; + result->rep = db; + return result; +} + +rocksdb_t* rocksdb_open_for_read_only( + const rocksdb_options_t* options, + const char* name, + unsigned char error_if_log_file_exist, + char** errptr) { + DB* db; + if (SaveError(errptr, DB::OpenForReadOnly(options->rep, std::string(name), &db, error_if_log_file_exist))) { + return nullptr; + } + rocksdb_t* result = new rocksdb_t; + result->rep = db; + return result; +} + +rocksdb_backup_engine_t* rocksdb_backup_engine_open( + const rocksdb_options_t* options, const char* path, char** errptr) { + BackupEngine* be; + if (SaveError(errptr, BackupEngine::Open(options->rep.env, + BackupableDBOptions(path, + nullptr, + true, + options->rep.info_log.get()), + &be))) { + return nullptr; + } + rocksdb_backup_engine_t* result = new rocksdb_backup_engine_t; + result->rep = be; + return result; +} + +void rocksdb_backup_engine_create_new_backup(rocksdb_backup_engine_t* be, + rocksdb_t* db, + char** errptr) { + SaveError(errptr, be->rep->CreateNewBackup(db->rep)); +} + +void rocksdb_backup_engine_create_new_backup_flush(rocksdb_backup_engine_t* be, + rocksdb_t* db, + unsigned char flush_before_backup, + char** errptr) { + SaveError(errptr, be->rep->CreateNewBackup(db->rep, flush_before_backup)); +} + +void rocksdb_backup_engine_purge_old_backups(rocksdb_backup_engine_t* be, + uint32_t num_backups_to_keep, + char** errptr) { + SaveError(errptr, be->rep->PurgeOldBackups(num_backups_to_keep)); +} + +rocksdb_restore_options_t* rocksdb_restore_options_create() { + return new rocksdb_restore_options_t; +} + +void rocksdb_restore_options_destroy(rocksdb_restore_options_t* opt) { + delete opt; +} + +void rocksdb_restore_options_set_keep_log_files(rocksdb_restore_options_t* opt, + int v) { + opt->rep.keep_log_files = v; +} + + +void rocksdb_backup_engine_verify_backup(rocksdb_backup_engine_t* be, + uint32_t backup_id, char** errptr) { + SaveError(errptr, be->rep->VerifyBackup(static_cast<BackupID>(backup_id))); +} + +void rocksdb_backup_engine_restore_db_from_latest_backup( + rocksdb_backup_engine_t* be, const char* db_dir, const char* wal_dir, + const rocksdb_restore_options_t* restore_options, char** errptr) { + SaveError(errptr, be->rep->RestoreDBFromLatestBackup(std::string(db_dir), + std::string(wal_dir), + restore_options->rep)); +} + +const rocksdb_backup_engine_info_t* rocksdb_backup_engine_get_backup_info( + rocksdb_backup_engine_t* be) { + rocksdb_backup_engine_info_t* result = new rocksdb_backup_engine_info_t; + be->rep->GetBackupInfo(&result->rep); + return result; +} + +int rocksdb_backup_engine_info_count(const rocksdb_backup_engine_info_t* info) { + return static_cast<int>(info->rep.size()); +} + +int64_t rocksdb_backup_engine_info_timestamp( + const rocksdb_backup_engine_info_t* info, int index) { + return info->rep[index].timestamp; +} + +uint32_t rocksdb_backup_engine_info_backup_id( + const rocksdb_backup_engine_info_t* info, int index) { + return info->rep[index].backup_id; +} + +uint64_t rocksdb_backup_engine_info_size( + const rocksdb_backup_engine_info_t* info, int index) { + return info->rep[index].size; +} + +uint32_t rocksdb_backup_engine_info_number_files( + const rocksdb_backup_engine_info_t* info, int index) { + return info->rep[index].number_files; +} + +void rocksdb_backup_engine_info_destroy( + const rocksdb_backup_engine_info_t* info) { + delete info; +} + +void rocksdb_backup_engine_close(rocksdb_backup_engine_t* be) { + delete be->rep; + delete be; +} + +rocksdb_checkpoint_t* rocksdb_checkpoint_object_create(rocksdb_t* db, + char** errptr) { + Checkpoint* checkpoint; + if (SaveError(errptr, Checkpoint::Create(db->rep, &checkpoint))) { + return nullptr; + } + rocksdb_checkpoint_t* result = new rocksdb_checkpoint_t; + result->rep = checkpoint; + return result; +} + +void rocksdb_checkpoint_create(rocksdb_checkpoint_t* checkpoint, + const char* checkpoint_dir, + uint64_t log_size_for_flush, char** errptr) { + SaveError(errptr, checkpoint->rep->CreateCheckpoint( + std::string(checkpoint_dir), log_size_for_flush)); +} + +void rocksdb_checkpoint_object_destroy(rocksdb_checkpoint_t* checkpoint) { + delete checkpoint->rep; + delete checkpoint; +} + +void rocksdb_close(rocksdb_t* db) { + delete db->rep; + delete db; +} + +void rocksdb_options_set_uint64add_merge_operator(rocksdb_options_t* opt) { + opt->rep.merge_operator = rocksdb::MergeOperators::CreateUInt64AddOperator(); +} + +rocksdb_t* rocksdb_open_column_families( + const rocksdb_options_t* db_options, + const char* name, + int num_column_families, + const char** column_family_names, + const rocksdb_options_t** column_family_options, + rocksdb_column_family_handle_t** column_family_handles, + char** errptr) { + std::vector<ColumnFamilyDescriptor> column_families; + for (int i = 0; i < num_column_families; i++) { + column_families.push_back(ColumnFamilyDescriptor( + std::string(column_family_names[i]), + ColumnFamilyOptions(column_family_options[i]->rep))); + } + + DB* db; + std::vector<ColumnFamilyHandle*> handles; + if (SaveError(errptr, DB::Open(DBOptions(db_options->rep), + std::string(name), column_families, &handles, &db))) { + return nullptr; + } + + for (size_t i = 0; i < handles.size(); i++) { + rocksdb_column_family_handle_t* c_handle = new rocksdb_column_family_handle_t; + c_handle->rep = handles[i]; + column_family_handles[i] = c_handle; + } + rocksdb_t* result = new rocksdb_t; + result->rep = db; + return result; +} + +rocksdb_t* rocksdb_open_for_read_only_column_families( + const rocksdb_options_t* db_options, + const char* name, + int num_column_families, + const char** column_family_names, + const rocksdb_options_t** column_family_options, + rocksdb_column_family_handle_t** column_family_handles, + unsigned char error_if_log_file_exist, + char** errptr) { + std::vector<ColumnFamilyDescriptor> column_families; + for (int i = 0; i < num_column_families; i++) { + column_families.push_back(ColumnFamilyDescriptor( + std::string(column_family_names[i]), + ColumnFamilyOptions(column_family_options[i]->rep))); + } + + DB* db; + std::vector<ColumnFamilyHandle*> handles; + if (SaveError(errptr, DB::OpenForReadOnly(DBOptions(db_options->rep), + std::string(name), column_families, &handles, &db, error_if_log_file_exist))) { + return nullptr; + } + + for (size_t i = 0; i < handles.size(); i++) { + rocksdb_column_family_handle_t* c_handle = new rocksdb_column_family_handle_t; + c_handle->rep = handles[i]; + column_family_handles[i] = c_handle; + } + rocksdb_t* result = new rocksdb_t; + result->rep = db; + return result; +} + +char** rocksdb_list_column_families( + const rocksdb_options_t* options, + const char* name, + size_t* lencfs, + char** errptr) { + std::vector<std::string> fams; + SaveError(errptr, + DB::ListColumnFamilies(DBOptions(options->rep), + std::string(name), &fams)); + + *lencfs = fams.size(); + char** column_families = static_cast<char**>(malloc(sizeof(char*) * fams.size())); + for (size_t i = 0; i < fams.size(); i++) { + column_families[i] = strdup(fams[i].c_str()); + } + return column_families; +} + +void rocksdb_list_column_families_destroy(char** list, size_t len) { + for (size_t i = 0; i < len; ++i) { + free(list[i]); + } + free(list); +} + +rocksdb_column_family_handle_t* rocksdb_create_column_family( + rocksdb_t* db, + const rocksdb_options_t* column_family_options, + const char* column_family_name, + char** errptr) { + rocksdb_column_family_handle_t* handle = new rocksdb_column_family_handle_t; + SaveError(errptr, + db->rep->CreateColumnFamily(ColumnFamilyOptions(column_family_options->rep), + std::string(column_family_name), &(handle->rep))); + return handle; +} + +void rocksdb_drop_column_family( + rocksdb_t* db, + rocksdb_column_family_handle_t* handle, + char** errptr) { + SaveError(errptr, db->rep->DropColumnFamily(handle->rep)); +} + +void rocksdb_column_family_handle_destroy(rocksdb_column_family_handle_t* handle) { + delete handle->rep; + delete handle; +} + +void rocksdb_put( + rocksdb_t* db, + const rocksdb_writeoptions_t* options, + const char* key, size_t keylen, + const char* val, size_t vallen, + char** errptr) { + SaveError(errptr, + db->rep->Put(options->rep, Slice(key, keylen), Slice(val, vallen))); +} + +void rocksdb_put_cf( + rocksdb_t* db, + const rocksdb_writeoptions_t* options, + rocksdb_column_family_handle_t* column_family, + const char* key, size_t keylen, + const char* val, size_t vallen, + char** errptr) { + SaveError(errptr, + db->rep->Put(options->rep, column_family->rep, + Slice(key, keylen), Slice(val, vallen))); +} + +void rocksdb_delete( + rocksdb_t* db, + const rocksdb_writeoptions_t* options, + const char* key, size_t keylen, + char** errptr) { + SaveError(errptr, db->rep->Delete(options->rep, Slice(key, keylen))); +} + +void rocksdb_delete_cf( + rocksdb_t* db, + const rocksdb_writeoptions_t* options, + rocksdb_column_family_handle_t* column_family, + const char* key, size_t keylen, + char** errptr) { + SaveError(errptr, db->rep->Delete(options->rep, column_family->rep, + Slice(key, keylen))); +} + +void rocksdb_merge( + rocksdb_t* db, + const rocksdb_writeoptions_t* options, + const char* key, size_t keylen, + const char* val, size_t vallen, + char** errptr) { + SaveError(errptr, + db->rep->Merge(options->rep, Slice(key, keylen), Slice(val, vallen))); +} + +void rocksdb_merge_cf( + rocksdb_t* db, + const rocksdb_writeoptions_t* options, + rocksdb_column_family_handle_t* column_family, + const char* key, size_t keylen, + const char* val, size_t vallen, + char** errptr) { + SaveError(errptr, + db->rep->Merge(options->rep, column_family->rep, + Slice(key, keylen), Slice(val, vallen))); +} + +void rocksdb_write( + rocksdb_t* db, + const rocksdb_writeoptions_t* options, + rocksdb_writebatch_t* batch, + char** errptr) { + SaveError(errptr, db->rep->Write(options->rep, &batch->rep)); +} + +char* rocksdb_get( + rocksdb_t* db, + const rocksdb_readoptions_t* options, + const char* key, size_t keylen, + size_t* vallen, + char** errptr) { + char* result = nullptr; + std::string tmp; + Status s = db->rep->Get(options->rep, Slice(key, keylen), &tmp); + if (s.ok()) { + *vallen = tmp.size(); + result = CopyString(tmp); + } else { + *vallen = 0; + if (!s.IsNotFound()) { + SaveError(errptr, s); + } + } + return result; +} + +char* rocksdb_get_cf( + rocksdb_t* db, + const rocksdb_readoptions_t* options, + rocksdb_column_family_handle_t* column_family, + const char* key, size_t keylen, + size_t* vallen, + char** errptr) { + char* result = nullptr; + std::string tmp; + Status s = db->rep->Get(options->rep, column_family->rep, + Slice(key, keylen), &tmp); + if (s.ok()) { + *vallen = tmp.size(); + result = CopyString(tmp); + } else { + *vallen = 0; + if (!s.IsNotFound()) { + SaveError(errptr, s); + } + } + return result; +} + +void rocksdb_multi_get( + rocksdb_t* db, + const rocksdb_readoptions_t* options, + size_t num_keys, const char* const* keys_list, + const size_t* keys_list_sizes, + char** values_list, size_t* values_list_sizes, + char** errs) { + std::vector<Slice> keys(num_keys); + for (size_t i = 0; i < num_keys; i++) { + keys[i] = Slice(keys_list[i], keys_list_sizes[i]); + } + std::vector<std::string> values(num_keys); + std::vector<Status> statuses = db->rep->MultiGet(options->rep, keys, &values); + for (size_t i = 0; i < num_keys; i++) { + if (statuses[i].ok()) { + values_list[i] = CopyString(values[i]); + values_list_sizes[i] = values[i].size(); + errs[i] = nullptr; + } else { + values_list[i] = nullptr; + values_list_sizes[i] = 0; + if (!statuses[i].IsNotFound()) { + errs[i] = strdup(statuses[i].ToString().c_str()); + } else { + errs[i] = nullptr; + } + } + } +} + +void rocksdb_multi_get_cf( + rocksdb_t* db, + const rocksdb_readoptions_t* options, + const rocksdb_column_family_handle_t* const* column_families, + size_t num_keys, const char* const* keys_list, + const size_t* keys_list_sizes, + char** values_list, size_t* values_list_sizes, + char** errs) { + std::vector<Slice> keys(num_keys); + std::vector<ColumnFamilyHandle*> cfs(num_keys); + for (size_t i = 0; i < num_keys; i++) { + keys[i] = Slice(keys_list[i], keys_list_sizes[i]); + cfs[i] = column_families[i]->rep; + } + std::vector<std::string> values(num_keys); + std::vector<Status> statuses = db->rep->MultiGet(options->rep, cfs, keys, &values); + for (size_t i = 0; i < num_keys; i++) { + if (statuses[i].ok()) { + values_list[i] = CopyString(values[i]); + values_list_sizes[i] = values[i].size(); + errs[i] = nullptr; + } else { + values_list[i] = nullptr; + values_list_sizes[i] = 0; + if (!statuses[i].IsNotFound()) { + errs[i] = strdup(statuses[i].ToString().c_str()); + } else { + errs[i] = nullptr; + } + } + } +} + +rocksdb_iterator_t* rocksdb_create_iterator( + rocksdb_t* db, + const rocksdb_readoptions_t* options) { + rocksdb_iterator_t* result = new rocksdb_iterator_t; + result->rep = db->rep->NewIterator(options->rep); + return result; +} + +rocksdb_wal_iterator_t* rocksdb_get_updates_since( + rocksdb_t* db, uint64_t seq_number, + const rocksdb_wal_readoptions_t* options, + char** errptr) { + std::unique_ptr<TransactionLogIterator> iter; + TransactionLogIterator::ReadOptions ro; + if (options!=nullptr) { + ro = options->rep; + } + if (SaveError(errptr, db->rep->GetUpdatesSince(seq_number, &iter, ro))) { + return nullptr; + } + rocksdb_wal_iterator_t* result = new rocksdb_wal_iterator_t; + result->rep = iter.release(); + return result; +} + +void rocksdb_wal_iter_next(rocksdb_wal_iterator_t* iter) { + iter->rep->Next(); +} + +unsigned char rocksdb_wal_iter_valid(const rocksdb_wal_iterator_t* iter) { + return iter->rep->Valid(); +} + +void rocksdb_wal_iter_status (const rocksdb_wal_iterator_t* iter, char** errptr) { + SaveError(errptr, iter->rep->status()); +} + +void rocksdb_wal_iter_destroy (const rocksdb_wal_iterator_t* iter) { + delete iter->rep; + delete iter; +} + +rocksdb_writebatch_t* rocksdb_wal_iter_get_batch (const rocksdb_wal_iterator_t* iter, uint64_t* seq) { + rocksdb_writebatch_t* result = rocksdb_writebatch_create(); + BatchResult wal_batch = iter->rep->GetBatch(); + result->rep = * wal_batch.writeBatchPtr.release(); + if (seq != nullptr) { + *seq = wal_batch.sequence; + } + return result; +} + +uint64_t rocksdb_get_latest_sequence_number (rocksdb_t *db) { + return db->rep->GetLatestSequenceNumber(); +} + +rocksdb_iterator_t* rocksdb_create_iterator_cf( + rocksdb_t* db, + const rocksdb_readoptions_t* options, + rocksdb_column_family_handle_t* column_family) { + rocksdb_iterator_t* result = new rocksdb_iterator_t; + result->rep = db->rep->NewIterator(options->rep, column_family->rep); + return result; +} + +void rocksdb_create_iterators( + rocksdb_t *db, + rocksdb_readoptions_t* opts, + rocksdb_column_family_handle_t** column_families, + rocksdb_iterator_t** iterators, + size_t size, + char** errptr) { + std::vector<ColumnFamilyHandle*> column_families_vec; + for (size_t i = 0; i < size; i++) { + column_families_vec.push_back(column_families[i]->rep); + } + + std::vector<Iterator*> res; + Status status = db->rep->NewIterators(opts->rep, column_families_vec, &res); + assert(res.size() == size); + if (SaveError(errptr, status)) { + return; + } + + for (size_t i = 0; i < size; i++) { + iterators[i] = new rocksdb_iterator_t; + iterators[i]->rep = res[i]; + } +} + +const rocksdb_snapshot_t* rocksdb_create_snapshot( + rocksdb_t* db) { + rocksdb_snapshot_t* result = new rocksdb_snapshot_t; + result->rep = db->rep->GetSnapshot(); + return result; +} + +void rocksdb_release_snapshot( + rocksdb_t* db, + const rocksdb_snapshot_t* snapshot) { + db->rep->ReleaseSnapshot(snapshot->rep); + delete snapshot; +} + +char* rocksdb_property_value( + rocksdb_t* db, + const char* propname) { + std::string tmp; + if (db->rep->GetProperty(Slice(propname), &tmp)) { + // We use strdup() since we expect human readable output. + return strdup(tmp.c_str()); + } else { + return nullptr; + } +} + +int rocksdb_property_int( + rocksdb_t* db, + const char* propname, + uint64_t *out_val) { + if (db->rep->GetIntProperty(Slice(propname), out_val)) { + return 0; + } else { + return -1; + } +} + +char* rocksdb_property_value_cf( + rocksdb_t* db, + rocksdb_column_family_handle_t* column_family, + const char* propname) { + std::string tmp; + if (db->rep->GetProperty(column_family->rep, Slice(propname), &tmp)) { + // We use strdup() since we expect human readable output. + return strdup(tmp.c_str()); + } else { + return nullptr; + } +} + +void rocksdb_approximate_sizes( + rocksdb_t* db, + int num_ranges, + const char* const* range_start_key, const size_t* range_start_key_len, + const char* const* range_limit_key, const size_t* range_limit_key_len, + uint64_t* sizes) { + Range* ranges = new Range[num_ranges]; + for (int i = 0; i < num_ranges; i++) { + ranges[i].start = Slice(range_start_key[i], range_start_key_len[i]); + ranges[i].limit = Slice(range_limit_key[i], range_limit_key_len[i]); + } + db->rep->GetApproximateSizes(ranges, num_ranges, sizes); + delete[] ranges; +} + +void rocksdb_approximate_sizes_cf( + rocksdb_t* db, + rocksdb_column_family_handle_t* column_family, + int num_ranges, + const char* const* range_start_key, const size_t* range_start_key_len, + const char* const* range_limit_key, const size_t* range_limit_key_len, + uint64_t* sizes) { + Range* ranges = new Range[num_ranges]; + for (int i = 0; i < num_ranges; i++) { + ranges[i].start = Slice(range_start_key[i], range_start_key_len[i]); + ranges[i].limit = Slice(range_limit_key[i], range_limit_key_len[i]); + } + db->rep->GetApproximateSizes(column_family->rep, ranges, num_ranges, sizes); + delete[] ranges; +} + +void rocksdb_delete_file( + rocksdb_t* db, + const char* name) { + db->rep->DeleteFile(name); +} + +const rocksdb_livefiles_t* rocksdb_livefiles( + rocksdb_t* db) { + rocksdb_livefiles_t* result = new rocksdb_livefiles_t; + db->rep->GetLiveFilesMetaData(&result->rep); + return result; +} + +void rocksdb_compact_range( + rocksdb_t* db, + const char* start_key, size_t start_key_len, + const char* limit_key, size_t limit_key_len) { + Slice a, b; + db->rep->CompactRange( + CompactRangeOptions(), + // Pass nullptr Slice if corresponding "const char*" is nullptr + (start_key ? (a = Slice(start_key, start_key_len), &a) : nullptr), + (limit_key ? (b = Slice(limit_key, limit_key_len), &b) : nullptr)); +} + +void rocksdb_compact_range_cf( + rocksdb_t* db, + rocksdb_column_family_handle_t* column_family, + const char* start_key, size_t start_key_len, + const char* limit_key, size_t limit_key_len) { + Slice a, b; + db->rep->CompactRange( + CompactRangeOptions(), column_family->rep, + // Pass nullptr Slice if corresponding "const char*" is nullptr + (start_key ? (a = Slice(start_key, start_key_len), &a) : nullptr), + (limit_key ? (b = Slice(limit_key, limit_key_len), &b) : nullptr)); +} + +void rocksdb_compact_range_opt(rocksdb_t* db, rocksdb_compactoptions_t* opt, + const char* start_key, size_t start_key_len, + const char* limit_key, size_t limit_key_len) { + Slice a, b; + db->rep->CompactRange( + opt->rep, + // Pass nullptr Slice if corresponding "const char*" is nullptr + (start_key ? (a = Slice(start_key, start_key_len), &a) : nullptr), + (limit_key ? (b = Slice(limit_key, limit_key_len), &b) : nullptr)); +} + +void rocksdb_compact_range_cf_opt(rocksdb_t* db, + rocksdb_column_family_handle_t* column_family, + rocksdb_compactoptions_t* opt, + const char* start_key, size_t start_key_len, + const char* limit_key, size_t limit_key_len) { + Slice a, b; + db->rep->CompactRange( + opt->rep, column_family->rep, + // Pass nullptr Slice if corresponding "const char*" is nullptr + (start_key ? (a = Slice(start_key, start_key_len), &a) : nullptr), + (limit_key ? (b = Slice(limit_key, limit_key_len), &b) : nullptr)); +} + +void rocksdb_flush( + rocksdb_t* db, + const rocksdb_flushoptions_t* options, + char** errptr) { + SaveError(errptr, db->rep->Flush(options->rep)); +} + +void rocksdb_disable_file_deletions( + rocksdb_t* db, + char** errptr) { + SaveError(errptr, db->rep->DisableFileDeletions()); +} + +void rocksdb_enable_file_deletions( + rocksdb_t* db, + unsigned char force, + char** errptr) { + SaveError(errptr, db->rep->EnableFileDeletions(force)); +} + +void rocksdb_destroy_db( + const rocksdb_options_t* options, + const char* name, + char** errptr) { + SaveError(errptr, DestroyDB(name, options->rep)); +} + +void rocksdb_repair_db( + const rocksdb_options_t* options, + const char* name, + char** errptr) { + SaveError(errptr, RepairDB(name, options->rep)); +} + +void rocksdb_iter_destroy(rocksdb_iterator_t* iter) { + delete iter->rep; + delete iter; +} + +unsigned char rocksdb_iter_valid(const rocksdb_iterator_t* iter) { + return iter->rep->Valid(); +} + +void rocksdb_iter_seek_to_first(rocksdb_iterator_t* iter) { + iter->rep->SeekToFirst(); +} + +void rocksdb_iter_seek_to_last(rocksdb_iterator_t* iter) { + iter->rep->SeekToLast(); +} + +void rocksdb_iter_seek(rocksdb_iterator_t* iter, const char* k, size_t klen) { + iter->rep->Seek(Slice(k, klen)); +} + +void rocksdb_iter_seek_for_prev(rocksdb_iterator_t* iter, const char* k, + size_t klen) { + iter->rep->SeekForPrev(Slice(k, klen)); +} + +void rocksdb_iter_next(rocksdb_iterator_t* iter) { + iter->rep->Next(); +} + +void rocksdb_iter_prev(rocksdb_iterator_t* iter) { + iter->rep->Prev(); +} + +const char* rocksdb_iter_key(const rocksdb_iterator_t* iter, size_t* klen) { + Slice s = iter->rep->key(); + *klen = s.size(); + return s.data(); +} + +const char* rocksdb_iter_value(const rocksdb_iterator_t* iter, size_t* vlen) { + Slice s = iter->rep->value(); + *vlen = s.size(); + return s.data(); +} + +void rocksdb_iter_get_error(const rocksdb_iterator_t* iter, char** errptr) { + SaveError(errptr, iter->rep->status()); +} + +rocksdb_writebatch_t* rocksdb_writebatch_create() { + return new rocksdb_writebatch_t; +} + +rocksdb_writebatch_t* rocksdb_writebatch_create_from(const char* rep, + size_t size) { + rocksdb_writebatch_t* b = new rocksdb_writebatch_t; + b->rep = WriteBatch(std::string(rep, size)); + return b; +} + +void rocksdb_writebatch_destroy(rocksdb_writebatch_t* b) { + delete b; +} + +void rocksdb_writebatch_clear(rocksdb_writebatch_t* b) { + b->rep.Clear(); +} + +int rocksdb_writebatch_count(rocksdb_writebatch_t* b) { + return b->rep.Count(); +} + +void rocksdb_writebatch_put( + rocksdb_writebatch_t* b, + const char* key, size_t klen, + const char* val, size_t vlen) { + b->rep.Put(Slice(key, klen), Slice(val, vlen)); +} + +void rocksdb_writebatch_put_cf( + rocksdb_writebatch_t* b, + rocksdb_column_family_handle_t* column_family, + const char* key, size_t klen, + const char* val, size_t vlen) { + b->rep.Put(column_family->rep, Slice(key, klen), Slice(val, vlen)); +} + +void rocksdb_writebatch_putv( + rocksdb_writebatch_t* b, + int num_keys, const char* const* keys_list, + const size_t* keys_list_sizes, + int num_values, const char* const* values_list, + const size_t* values_list_sizes) { + std::vector<Slice> key_slices(num_keys); + for (int i = 0; i < num_keys; i++) { + key_slices[i] = Slice(keys_list[i], keys_list_sizes[i]); + } + std::vector<Slice> value_slices(num_values); + for (int i = 0; i < num_values; i++) { + value_slices[i] = Slice(values_list[i], values_list_sizes[i]); + } + b->rep.Put(SliceParts(key_slices.data(), num_keys), + SliceParts(value_slices.data(), num_values)); +} + +void rocksdb_writebatch_putv_cf( + rocksdb_writebatch_t* b, + rocksdb_column_family_handle_t* column_family, + int num_keys, const char* const* keys_list, + const size_t* keys_list_sizes, + int num_values, const char* const* values_list, + const size_t* values_list_sizes) { + std::vector<Slice> key_slices(num_keys); + for (int i = 0; i < num_keys; i++) { + key_slices[i] = Slice(keys_list[i], keys_list_sizes[i]); + } + std::vector<Slice> value_slices(num_values); + for (int i = 0; i < num_values; i++) { + value_slices[i] = Slice(values_list[i], values_list_sizes[i]); + } + b->rep.Put(column_family->rep, SliceParts(key_slices.data(), num_keys), + SliceParts(value_slices.data(), num_values)); +} + +void rocksdb_writebatch_merge( + rocksdb_writebatch_t* b, + const char* key, size_t klen, + const char* val, size_t vlen) { + b->rep.Merge(Slice(key, klen), Slice(val, vlen)); +} + +void rocksdb_writebatch_merge_cf( + rocksdb_writebatch_t* b, + rocksdb_column_family_handle_t* column_family, + const char* key, size_t klen, + const char* val, size_t vlen) { + b->rep.Merge(column_family->rep, Slice(key, klen), Slice(val, vlen)); +} + +void rocksdb_writebatch_mergev( + rocksdb_writebatch_t* b, + int num_keys, const char* const* keys_list, + const size_t* keys_list_sizes, + int num_values, const char* const* values_list, + const size_t* values_list_sizes) { + std::vector<Slice> key_slices(num_keys); + for (int i = 0; i < num_keys; i++) { + key_slices[i] = Slice(keys_list[i], keys_list_sizes[i]); + } + std::vector<Slice> value_slices(num_values); + for (int i = 0; i < num_values; i++) { + value_slices[i] = Slice(values_list[i], values_list_sizes[i]); + } + b->rep.Merge(SliceParts(key_slices.data(), num_keys), + SliceParts(value_slices.data(), num_values)); +} + +void rocksdb_writebatch_mergev_cf( + rocksdb_writebatch_t* b, + rocksdb_column_family_handle_t* column_family, + int num_keys, const char* const* keys_list, + const size_t* keys_list_sizes, + int num_values, const char* const* values_list, + const size_t* values_list_sizes) { + std::vector<Slice> key_slices(num_keys); + for (int i = 0; i < num_keys; i++) { + key_slices[i] = Slice(keys_list[i], keys_list_sizes[i]); + } + std::vector<Slice> value_slices(num_values); + for (int i = 0; i < num_values; i++) { + value_slices[i] = Slice(values_list[i], values_list_sizes[i]); + } + b->rep.Merge(column_family->rep, SliceParts(key_slices.data(), num_keys), + SliceParts(value_slices.data(), num_values)); +} + +void rocksdb_writebatch_delete( + rocksdb_writebatch_t* b, + const char* key, size_t klen) { + b->rep.Delete(Slice(key, klen)); +} + +void rocksdb_writebatch_delete_cf( + rocksdb_writebatch_t* b, + rocksdb_column_family_handle_t* column_family, + const char* key, size_t klen) { + b->rep.Delete(column_family->rep, Slice(key, klen)); +} + +void rocksdb_writebatch_deletev( + rocksdb_writebatch_t* b, + int num_keys, const char* const* keys_list, + const size_t* keys_list_sizes) { + std::vector<Slice> key_slices(num_keys); + for (int i = 0; i < num_keys; i++) { + key_slices[i] = Slice(keys_list[i], keys_list_sizes[i]); + } + b->rep.Delete(SliceParts(key_slices.data(), num_keys)); +} + +void rocksdb_writebatch_deletev_cf( + rocksdb_writebatch_t* b, + rocksdb_column_family_handle_t* column_family, + int num_keys, const char* const* keys_list, + const size_t* keys_list_sizes) { + std::vector<Slice> key_slices(num_keys); + for (int i = 0; i < num_keys; i++) { + key_slices[i] = Slice(keys_list[i], keys_list_sizes[i]); + } + b->rep.Delete(column_family->rep, SliceParts(key_slices.data(), num_keys)); +} + +void rocksdb_writebatch_delete_range(rocksdb_writebatch_t* b, + const char* start_key, + size_t start_key_len, const char* end_key, + size_t end_key_len) { + b->rep.DeleteRange(Slice(start_key, start_key_len), + Slice(end_key, end_key_len)); +} + +void rocksdb_writebatch_delete_range_cf( + rocksdb_writebatch_t* b, rocksdb_column_family_handle_t* column_family, + const char* start_key, size_t start_key_len, const char* end_key, + size_t end_key_len) { + b->rep.DeleteRange(column_family->rep, Slice(start_key, start_key_len), + Slice(end_key, end_key_len)); +} + +void rocksdb_writebatch_delete_rangev(rocksdb_writebatch_t* b, int num_keys, + const char* const* start_keys_list, + const size_t* start_keys_list_sizes, + const char* const* end_keys_list, + const size_t* end_keys_list_sizes) { + std::vector<Slice> start_key_slices(num_keys); + std::vector<Slice> end_key_slices(num_keys); + for (int i = 0; i < num_keys; i++) { + start_key_slices[i] = Slice(start_keys_list[i], start_keys_list_sizes[i]); + end_key_slices[i] = Slice(end_keys_list[i], end_keys_list_sizes[i]); + } + b->rep.DeleteRange(SliceParts(start_key_slices.data(), num_keys), + SliceParts(end_key_slices.data(), num_keys)); +} + +void rocksdb_writebatch_delete_rangev_cf( + rocksdb_writebatch_t* b, rocksdb_column_family_handle_t* column_family, + int num_keys, const char* const* start_keys_list, + const size_t* start_keys_list_sizes, const char* const* end_keys_list, + const size_t* end_keys_list_sizes) { + std::vector<Slice> start_key_slices(num_keys); + std::vector<Slice> end_key_slices(num_keys); + for (int i = 0; i < num_keys; i++) { + start_key_slices[i] = Slice(start_keys_list[i], start_keys_list_sizes[i]); + end_key_slices[i] = Slice(end_keys_list[i], end_keys_list_sizes[i]); + } + b->rep.DeleteRange(column_family->rep, + SliceParts(start_key_slices.data(), num_keys), + SliceParts(end_key_slices.data(), num_keys)); +} + +void rocksdb_writebatch_put_log_data( + rocksdb_writebatch_t* b, + const char* blob, size_t len) { + b->rep.PutLogData(Slice(blob, len)); +} + +class H : public WriteBatch::Handler { + public: + void* state_; + void (*put_)(void*, const char* k, size_t klen, const char* v, size_t vlen); + void (*deleted_)(void*, const char* k, size_t klen); + void Put(const Slice& key, const Slice& value) override { + (*put_)(state_, key.data(), key.size(), value.data(), value.size()); + } + void Delete(const Slice& key) override { + (*deleted_)(state_, key.data(), key.size()); + } +}; + +void rocksdb_writebatch_iterate( + rocksdb_writebatch_t* b, + void* state, + void (*put)(void*, const char* k, size_t klen, const char* v, size_t vlen), + void (*deleted)(void*, const char* k, size_t klen)) { + H handler; + handler.state_ = state; + handler.put_ = put; + handler.deleted_ = deleted; + b->rep.Iterate(&handler); +} + +const char* rocksdb_writebatch_data(rocksdb_writebatch_t* b, size_t* size) { + *size = b->rep.GetDataSize(); + return b->rep.Data().c_str(); +} + +void rocksdb_writebatch_set_save_point(rocksdb_writebatch_t* b) { + b->rep.SetSavePoint(); +} + +void rocksdb_writebatch_rollback_to_save_point(rocksdb_writebatch_t* b, + char** errptr) { + SaveError(errptr, b->rep.RollbackToSavePoint()); +} + +void rocksdb_writebatch_pop_save_point(rocksdb_writebatch_t* b, char** errptr) { + SaveError(errptr, b->rep.PopSavePoint()); +} + +rocksdb_writebatch_wi_t* rocksdb_writebatch_wi_create(size_t reserved_bytes, unsigned char overwrite_key) { + rocksdb_writebatch_wi_t* b = new rocksdb_writebatch_wi_t; + b->rep = new WriteBatchWithIndex(BytewiseComparator(), reserved_bytes, overwrite_key); + return b; +} + +void rocksdb_writebatch_wi_destroy(rocksdb_writebatch_wi_t* b) { + if (b->rep) { + delete b->rep; + } + delete b; +} + +void rocksdb_writebatch_wi_clear(rocksdb_writebatch_wi_t* b) { + b->rep->Clear(); +} + +int rocksdb_writebatch_wi_count(rocksdb_writebatch_wi_t* b) { + return b->rep->GetWriteBatch()->Count(); +} + +void rocksdb_writebatch_wi_put( + rocksdb_writebatch_wi_t* b, + const char* key, size_t klen, + const char* val, size_t vlen) { + b->rep->Put(Slice(key, klen), Slice(val, vlen)); +} + +void rocksdb_writebatch_wi_put_cf( + rocksdb_writebatch_wi_t* b, + rocksdb_column_family_handle_t* column_family, + const char* key, size_t klen, + const char* val, size_t vlen) { + b->rep->Put(column_family->rep, Slice(key, klen), Slice(val, vlen)); +} + +void rocksdb_writebatch_wi_putv( + rocksdb_writebatch_wi_t* b, + int num_keys, const char* const* keys_list, + const size_t* keys_list_sizes, + int num_values, const char* const* values_list, + const size_t* values_list_sizes) { + std::vector<Slice> key_slices(num_keys); + for (int i = 0; i < num_keys; i++) { + key_slices[i] = Slice(keys_list[i], keys_list_sizes[i]); + } + std::vector<Slice> value_slices(num_values); + for (int i = 0; i < num_values; i++) { + value_slices[i] = Slice(values_list[i], values_list_sizes[i]); + } + b->rep->Put(SliceParts(key_slices.data(), num_keys), + SliceParts(value_slices.data(), num_values)); +} + +void rocksdb_writebatch_wi_putv_cf( + rocksdb_writebatch_wi_t* b, + rocksdb_column_family_handle_t* column_family, + int num_keys, const char* const* keys_list, + const size_t* keys_list_sizes, + int num_values, const char* const* values_list, + const size_t* values_list_sizes) { + std::vector<Slice> key_slices(num_keys); + for (int i = 0; i < num_keys; i++) { + key_slices[i] = Slice(keys_list[i], keys_list_sizes[i]); + } + std::vector<Slice> value_slices(num_values); + for (int i = 0; i < num_values; i++) { + value_slices[i] = Slice(values_list[i], values_list_sizes[i]); + } + b->rep->Put(column_family->rep, SliceParts(key_slices.data(), num_keys), + SliceParts(value_slices.data(), num_values)); +} + +void rocksdb_writebatch_wi_merge( + rocksdb_writebatch_wi_t* b, + const char* key, size_t klen, + const char* val, size_t vlen) { + b->rep->Merge(Slice(key, klen), Slice(val, vlen)); +} + +void rocksdb_writebatch_wi_merge_cf( + rocksdb_writebatch_wi_t* b, + rocksdb_column_family_handle_t* column_family, + const char* key, size_t klen, + const char* val, size_t vlen) { + b->rep->Merge(column_family->rep, Slice(key, klen), Slice(val, vlen)); +} + +void rocksdb_writebatch_wi_mergev( + rocksdb_writebatch_wi_t* b, + int num_keys, const char* const* keys_list, + const size_t* keys_list_sizes, + int num_values, const char* const* values_list, + const size_t* values_list_sizes) { + std::vector<Slice> key_slices(num_keys); + for (int i = 0; i < num_keys; i++) { + key_slices[i] = Slice(keys_list[i], keys_list_sizes[i]); + } + std::vector<Slice> value_slices(num_values); + for (int i = 0; i < num_values; i++) { + value_slices[i] = Slice(values_list[i], values_list_sizes[i]); + } + b->rep->Merge(SliceParts(key_slices.data(), num_keys), + SliceParts(value_slices.data(), num_values)); +} + +void rocksdb_writebatch_wi_mergev_cf( + rocksdb_writebatch_wi_t* b, + rocksdb_column_family_handle_t* column_family, + int num_keys, const char* const* keys_list, + const size_t* keys_list_sizes, + int num_values, const char* const* values_list, + const size_t* values_list_sizes) { + std::vector<Slice> key_slices(num_keys); + for (int i = 0; i < num_keys; i++) { + key_slices[i] = Slice(keys_list[i], keys_list_sizes[i]); + } + std::vector<Slice> value_slices(num_values); + for (int i = 0; i < num_values; i++) { + value_slices[i] = Slice(values_list[i], values_list_sizes[i]); + } + b->rep->Merge(column_family->rep, SliceParts(key_slices.data(), num_keys), + SliceParts(value_slices.data(), num_values)); +} + +void rocksdb_writebatch_wi_delete( + rocksdb_writebatch_wi_t* b, + const char* key, size_t klen) { + b->rep->Delete(Slice(key, klen)); +} + +void rocksdb_writebatch_wi_delete_cf( + rocksdb_writebatch_wi_t* b, + rocksdb_column_family_handle_t* column_family, + const char* key, size_t klen) { + b->rep->Delete(column_family->rep, Slice(key, klen)); +} + +void rocksdb_writebatch_wi_deletev( + rocksdb_writebatch_wi_t* b, + int num_keys, const char* const* keys_list, + const size_t* keys_list_sizes) { + std::vector<Slice> key_slices(num_keys); + for (int i = 0; i < num_keys; i++) { + key_slices[i] = Slice(keys_list[i], keys_list_sizes[i]); + } + b->rep->Delete(SliceParts(key_slices.data(), num_keys)); +} + +void rocksdb_writebatch_wi_deletev_cf( + rocksdb_writebatch_wi_t* b, + rocksdb_column_family_handle_t* column_family, + int num_keys, const char* const* keys_list, + const size_t* keys_list_sizes) { + std::vector<Slice> key_slices(num_keys); + for (int i = 0; i < num_keys; i++) { + key_slices[i] = Slice(keys_list[i], keys_list_sizes[i]); + } + b->rep->Delete(column_family->rep, SliceParts(key_slices.data(), num_keys)); +} + +void rocksdb_writebatch_wi_delete_range(rocksdb_writebatch_wi_t* b, + const char* start_key, + size_t start_key_len, const char* end_key, + size_t end_key_len) { + b->rep->DeleteRange(Slice(start_key, start_key_len), + Slice(end_key, end_key_len)); +} + +void rocksdb_writebatch_wi_delete_range_cf( + rocksdb_writebatch_wi_t* b, rocksdb_column_family_handle_t* column_family, + const char* start_key, size_t start_key_len, const char* end_key, + size_t end_key_len) { + b->rep->DeleteRange(column_family->rep, Slice(start_key, start_key_len), + Slice(end_key, end_key_len)); +} + +void rocksdb_writebatch_wi_delete_rangev(rocksdb_writebatch_wi_t* b, int num_keys, + const char* const* start_keys_list, + const size_t* start_keys_list_sizes, + const char* const* end_keys_list, + const size_t* end_keys_list_sizes) { + std::vector<Slice> start_key_slices(num_keys); + std::vector<Slice> end_key_slices(num_keys); + for (int i = 0; i < num_keys; i++) { + start_key_slices[i] = Slice(start_keys_list[i], start_keys_list_sizes[i]); + end_key_slices[i] = Slice(end_keys_list[i], end_keys_list_sizes[i]); + } + b->rep->DeleteRange(SliceParts(start_key_slices.data(), num_keys), + SliceParts(end_key_slices.data(), num_keys)); +} + +void rocksdb_writebatch_wi_delete_rangev_cf( + rocksdb_writebatch_wi_t* b, rocksdb_column_family_handle_t* column_family, + int num_keys, const char* const* start_keys_list, + const size_t* start_keys_list_sizes, const char* const* end_keys_list, + const size_t* end_keys_list_sizes) { + std::vector<Slice> start_key_slices(num_keys); + std::vector<Slice> end_key_slices(num_keys); + for (int i = 0; i < num_keys; i++) { + start_key_slices[i] = Slice(start_keys_list[i], start_keys_list_sizes[i]); + end_key_slices[i] = Slice(end_keys_list[i], end_keys_list_sizes[i]); + } + b->rep->DeleteRange(column_family->rep, + SliceParts(start_key_slices.data(), num_keys), + SliceParts(end_key_slices.data(), num_keys)); +} + +void rocksdb_writebatch_wi_put_log_data( + rocksdb_writebatch_wi_t* b, + const char* blob, size_t len) { + b->rep->PutLogData(Slice(blob, len)); +} + +void rocksdb_writebatch_wi_iterate( + rocksdb_writebatch_wi_t* b, + void* state, + void (*put)(void*, const char* k, size_t klen, const char* v, size_t vlen), + void (*deleted)(void*, const char* k, size_t klen)) { + H handler; + handler.state_ = state; + handler.put_ = put; + handler.deleted_ = deleted; + b->rep->GetWriteBatch()->Iterate(&handler); +} + +const char* rocksdb_writebatch_wi_data(rocksdb_writebatch_wi_t* b, size_t* size) { + WriteBatch* wb = b->rep->GetWriteBatch(); + *size = wb->GetDataSize(); + return wb->Data().c_str(); +} + +void rocksdb_writebatch_wi_set_save_point(rocksdb_writebatch_wi_t* b) { + b->rep->SetSavePoint(); +} + +void rocksdb_writebatch_wi_rollback_to_save_point(rocksdb_writebatch_wi_t* b, + char** errptr) { + SaveError(errptr, b->rep->RollbackToSavePoint()); +} + +rocksdb_iterator_t* rocksdb_writebatch_wi_create_iterator_with_base( + rocksdb_writebatch_wi_t* wbwi, + rocksdb_iterator_t* base_iterator) { + rocksdb_iterator_t* result = new rocksdb_iterator_t; + result->rep = wbwi->rep->NewIteratorWithBase(base_iterator->rep); + delete base_iterator; + return result; +} + +rocksdb_iterator_t* rocksdb_writebatch_wi_create_iterator_with_base_cf( + rocksdb_writebatch_wi_t* wbwi, rocksdb_iterator_t* base_iterator, + rocksdb_column_family_handle_t* column_family) { + rocksdb_iterator_t* result = new rocksdb_iterator_t; + result->rep = + wbwi->rep->NewIteratorWithBase(column_family->rep, base_iterator->rep); + delete base_iterator; + return result; +} + +char* rocksdb_writebatch_wi_get_from_batch( + rocksdb_writebatch_wi_t* wbwi, + const rocksdb_options_t* options, + const char* key, size_t keylen, + size_t* vallen, + char** errptr) { + char* result = nullptr; + std::string tmp; + Status s = wbwi->rep->GetFromBatch(options->rep, Slice(key, keylen), &tmp); + if (s.ok()) { + *vallen = tmp.size(); + result = CopyString(tmp); + } else { + *vallen = 0; + if (!s.IsNotFound()) { + SaveError(errptr, s); + } + } + return result; +} + +char* rocksdb_writebatch_wi_get_from_batch_cf( + rocksdb_writebatch_wi_t* wbwi, + const rocksdb_options_t* options, + rocksdb_column_family_handle_t* column_family, + const char* key, size_t keylen, + size_t* vallen, + char** errptr) { + char* result = nullptr; + std::string tmp; + Status s = wbwi->rep->GetFromBatch(column_family->rep, options->rep, + Slice(key, keylen), &tmp); + if (s.ok()) { + *vallen = tmp.size(); + result = CopyString(tmp); + } else { + *vallen = 0; + if (!s.IsNotFound()) { + SaveError(errptr, s); + } + } + return result; +} + +char* rocksdb_writebatch_wi_get_from_batch_and_db( + rocksdb_writebatch_wi_t* wbwi, + rocksdb_t* db, + const rocksdb_readoptions_t* options, + const char* key, size_t keylen, + size_t* vallen, + char** errptr) { + char* result = nullptr; + std::string tmp; + Status s = wbwi->rep->GetFromBatchAndDB(db->rep, options->rep, Slice(key, keylen), &tmp); + if (s.ok()) { + *vallen = tmp.size(); + result = CopyString(tmp); + } else { + *vallen = 0; + if (!s.IsNotFound()) { + SaveError(errptr, s); + } + } + return result; +} + +char* rocksdb_writebatch_wi_get_from_batch_and_db_cf( + rocksdb_writebatch_wi_t* wbwi, + rocksdb_t* db, + const rocksdb_readoptions_t* options, + rocksdb_column_family_handle_t* column_family, + const char* key, size_t keylen, + size_t* vallen, + char** errptr) { + char* result = nullptr; + std::string tmp; + Status s = wbwi->rep->GetFromBatchAndDB(db->rep, options->rep, column_family->rep, + Slice(key, keylen), &tmp); + if (s.ok()) { + *vallen = tmp.size(); + result = CopyString(tmp); + } else { + *vallen = 0; + if (!s.IsNotFound()) { + SaveError(errptr, s); + } + } + return result; +} + +void rocksdb_write_writebatch_wi( + rocksdb_t* db, + const rocksdb_writeoptions_t* options, + rocksdb_writebatch_wi_t* wbwi, + char** errptr) { + WriteBatch* wb = wbwi->rep->GetWriteBatch(); + SaveError(errptr, db->rep->Write(options->rep, wb)); +} + +rocksdb_block_based_table_options_t* +rocksdb_block_based_options_create() { + return new rocksdb_block_based_table_options_t; +} + +void rocksdb_block_based_options_destroy( + rocksdb_block_based_table_options_t* options) { + delete options; +} + +void rocksdb_block_based_options_set_block_size( + rocksdb_block_based_table_options_t* options, size_t block_size) { + options->rep.block_size = block_size; +} + +void rocksdb_block_based_options_set_block_size_deviation( + rocksdb_block_based_table_options_t* options, int block_size_deviation) { + options->rep.block_size_deviation = block_size_deviation; +} + +void rocksdb_block_based_options_set_block_restart_interval( + rocksdb_block_based_table_options_t* options, int block_restart_interval) { + options->rep.block_restart_interval = block_restart_interval; +} + +void rocksdb_block_based_options_set_index_block_restart_interval( + rocksdb_block_based_table_options_t* options, int index_block_restart_interval) { + options->rep.index_block_restart_interval = index_block_restart_interval; +} + +void rocksdb_block_based_options_set_metadata_block_size( + rocksdb_block_based_table_options_t* options, uint64_t metadata_block_size) { + options->rep.metadata_block_size = metadata_block_size; +} + +void rocksdb_block_based_options_set_partition_filters( + rocksdb_block_based_table_options_t* options, unsigned char partition_filters) { + options->rep.partition_filters = partition_filters; +} + +void rocksdb_block_based_options_set_use_delta_encoding( + rocksdb_block_based_table_options_t* options, unsigned char use_delta_encoding) { + options->rep.use_delta_encoding = use_delta_encoding; +} + +void rocksdb_block_based_options_set_filter_policy( + rocksdb_block_based_table_options_t* options, + rocksdb_filterpolicy_t* filter_policy) { + options->rep.filter_policy.reset(filter_policy); +} + +void rocksdb_block_based_options_set_no_block_cache( + rocksdb_block_based_table_options_t* options, + unsigned char no_block_cache) { + options->rep.no_block_cache = no_block_cache; +} + +void rocksdb_block_based_options_set_block_cache( + rocksdb_block_based_table_options_t* options, + rocksdb_cache_t* block_cache) { + if (block_cache) { + options->rep.block_cache = block_cache->rep; + } +} + +void rocksdb_block_based_options_set_block_cache_compressed( + rocksdb_block_based_table_options_t* options, + rocksdb_cache_t* block_cache_compressed) { + if (block_cache_compressed) { + options->rep.block_cache_compressed = block_cache_compressed->rep; + } +} + +void rocksdb_block_based_options_set_whole_key_filtering( + rocksdb_block_based_table_options_t* options, unsigned char v) { + options->rep.whole_key_filtering = v; +} + +void rocksdb_block_based_options_set_format_version( + rocksdb_block_based_table_options_t* options, int v) { + options->rep.format_version = v; +} + +void rocksdb_block_based_options_set_index_type( + rocksdb_block_based_table_options_t* options, int v) { + options->rep.index_type = static_cast<BlockBasedTableOptions::IndexType>(v); +} + +void rocksdb_block_based_options_set_hash_index_allow_collision( + rocksdb_block_based_table_options_t* options, unsigned char v) { + options->rep.hash_index_allow_collision = v; +} + +void rocksdb_block_based_options_set_cache_index_and_filter_blocks( + rocksdb_block_based_table_options_t* options, unsigned char v) { + options->rep.cache_index_and_filter_blocks = v; +} + +void rocksdb_block_based_options_set_cache_index_and_filter_blocks_with_high_priority( + rocksdb_block_based_table_options_t* options, unsigned char v) { + options->rep.cache_index_and_filter_blocks_with_high_priority = v; +} + +void rocksdb_block_based_options_set_pin_l0_filter_and_index_blocks_in_cache( + rocksdb_block_based_table_options_t* options, unsigned char v) { + options->rep.pin_l0_filter_and_index_blocks_in_cache = v; +} + +void rocksdb_block_based_options_set_pin_top_level_index_and_filter( + rocksdb_block_based_table_options_t* options, unsigned char v) { + options->rep.pin_top_level_index_and_filter = v; +} + +void rocksdb_options_set_block_based_table_factory( + rocksdb_options_t *opt, + rocksdb_block_based_table_options_t* table_options) { + if (table_options) { + opt->rep.table_factory.reset( + rocksdb::NewBlockBasedTableFactory(table_options->rep)); + } +} + +rocksdb_cuckoo_table_options_t* +rocksdb_cuckoo_options_create() { + return new rocksdb_cuckoo_table_options_t; +} + +void rocksdb_cuckoo_options_destroy( + rocksdb_cuckoo_table_options_t* options) { + delete options; +} + +void rocksdb_cuckoo_options_set_hash_ratio( + rocksdb_cuckoo_table_options_t* options, double v) { + options->rep.hash_table_ratio = v; +} + +void rocksdb_cuckoo_options_set_max_search_depth( + rocksdb_cuckoo_table_options_t* options, uint32_t v) { + options->rep.max_search_depth = v; +} + +void rocksdb_cuckoo_options_set_cuckoo_block_size( + rocksdb_cuckoo_table_options_t* options, uint32_t v) { + options->rep.cuckoo_block_size = v; +} + +void rocksdb_cuckoo_options_set_identity_as_first_hash( + rocksdb_cuckoo_table_options_t* options, unsigned char v) { + options->rep.identity_as_first_hash = v; +} + +void rocksdb_cuckoo_options_set_use_module_hash( + rocksdb_cuckoo_table_options_t* options, unsigned char v) { + options->rep.use_module_hash = v; +} + +void rocksdb_options_set_cuckoo_table_factory( + rocksdb_options_t *opt, + rocksdb_cuckoo_table_options_t* table_options) { + if (table_options) { + opt->rep.table_factory.reset( + rocksdb::NewCuckooTableFactory(table_options->rep)); + } +} + +void rocksdb_set_options( + rocksdb_t* db, int count, const char* const keys[], const char* const values[], char** errptr) { + std::unordered_map<std::string, std::string> options_map; + for (int i=0; i<count; i++) + options_map[keys[i]] = values[i]; + SaveError(errptr, + db->rep->SetOptions(options_map)); + } + +void rocksdb_set_options_cf( + rocksdb_t* db, rocksdb_column_family_handle_t* handle, int count, const char* const keys[], const char* const values[], char** errptr) { + std::unordered_map<std::string, std::string> options_map; + for (int i=0; i<count; i++) + options_map[keys[i]] = values[i]; + SaveError(errptr, + db->rep->SetOptions(handle->rep, options_map)); + } + +rocksdb_options_t* rocksdb_options_create() { + return new rocksdb_options_t; +} + +void rocksdb_options_destroy(rocksdb_options_t* options) { + delete options; +} + +void rocksdb_options_increase_parallelism( + rocksdb_options_t* opt, int total_threads) { + opt->rep.IncreaseParallelism(total_threads); +} + +void rocksdb_options_optimize_for_point_lookup( + rocksdb_options_t* opt, uint64_t block_cache_size_mb) { + opt->rep.OptimizeForPointLookup(block_cache_size_mb); +} + +void rocksdb_options_optimize_level_style_compaction( + rocksdb_options_t* opt, uint64_t memtable_memory_budget) { + opt->rep.OptimizeLevelStyleCompaction(memtable_memory_budget); +} + +void rocksdb_options_optimize_universal_style_compaction( + rocksdb_options_t* opt, uint64_t memtable_memory_budget) { + opt->rep.OptimizeUniversalStyleCompaction(memtable_memory_budget); +} + +void rocksdb_options_set_allow_ingest_behind( + rocksdb_options_t* opt, unsigned char v) { + opt->rep.allow_ingest_behind = v; +} + +void rocksdb_options_set_compaction_filter( + rocksdb_options_t* opt, + rocksdb_compactionfilter_t* filter) { + opt->rep.compaction_filter = filter; +} + +void rocksdb_options_set_compaction_filter_factory( + rocksdb_options_t* opt, rocksdb_compactionfilterfactory_t* factory) { + opt->rep.compaction_filter_factory = + std::shared_ptr<CompactionFilterFactory>(factory); +} + +void rocksdb_options_compaction_readahead_size( + rocksdb_options_t* opt, size_t s) { + opt->rep.compaction_readahead_size = s; +} + +void rocksdb_options_set_comparator( + rocksdb_options_t* opt, + rocksdb_comparator_t* cmp) { + opt->rep.comparator = cmp; +} + +void rocksdb_options_set_merge_operator( + rocksdb_options_t* opt, + rocksdb_mergeoperator_t* merge_operator) { + opt->rep.merge_operator = std::shared_ptr<MergeOperator>(merge_operator); +} + + +void rocksdb_options_set_create_if_missing( + rocksdb_options_t* opt, unsigned char v) { + opt->rep.create_if_missing = v; +} + +void rocksdb_options_set_create_missing_column_families( + rocksdb_options_t* opt, unsigned char v) { + opt->rep.create_missing_column_families = v; +} + +void rocksdb_options_set_error_if_exists( + rocksdb_options_t* opt, unsigned char v) { + opt->rep.error_if_exists = v; +} + +void rocksdb_options_set_paranoid_checks( + rocksdb_options_t* opt, unsigned char v) { + opt->rep.paranoid_checks = v; +} + +void rocksdb_options_set_db_paths(rocksdb_options_t* opt, + const rocksdb_dbpath_t** dbpath_values, + size_t num_paths) { + std::vector<DbPath> db_paths(num_paths); + for (size_t i = 0; i < num_paths; ++i) { + db_paths[i] = dbpath_values[i]->rep; + } + opt->rep.db_paths = db_paths; +} + +void rocksdb_options_set_env(rocksdb_options_t* opt, rocksdb_env_t* env) { + opt->rep.env = (env ? env->rep : nullptr); +} + +void rocksdb_options_set_info_log(rocksdb_options_t* opt, rocksdb_logger_t* l) { + if (l) { + opt->rep.info_log = l->rep; + } +} + +void rocksdb_options_set_info_log_level( + rocksdb_options_t* opt, int v) { + opt->rep.info_log_level = static_cast<InfoLogLevel>(v); +} + +void rocksdb_options_set_db_write_buffer_size(rocksdb_options_t* opt, + size_t s) { + opt->rep.db_write_buffer_size = s; +} + +void rocksdb_options_set_write_buffer_size(rocksdb_options_t* opt, size_t s) { + opt->rep.write_buffer_size = s; +} + +void rocksdb_options_set_max_open_files(rocksdb_options_t* opt, int n) { + opt->rep.max_open_files = n; +} + +void rocksdb_options_set_max_file_opening_threads(rocksdb_options_t* opt, int n) { + opt->rep.max_file_opening_threads = n; +} + +void rocksdb_options_set_max_total_wal_size(rocksdb_options_t* opt, uint64_t n) { + opt->rep.max_total_wal_size = n; +} + +void rocksdb_options_set_target_file_size_base( + rocksdb_options_t* opt, uint64_t n) { + opt->rep.target_file_size_base = n; +} + +void rocksdb_options_set_target_file_size_multiplier( + rocksdb_options_t* opt, int n) { + opt->rep.target_file_size_multiplier = n; +} + +void rocksdb_options_set_max_bytes_for_level_base( + rocksdb_options_t* opt, uint64_t n) { + opt->rep.max_bytes_for_level_base = n; +} + +void rocksdb_options_set_level_compaction_dynamic_level_bytes( + rocksdb_options_t* opt, unsigned char v) { + opt->rep.level_compaction_dynamic_level_bytes = v; +} + +void rocksdb_options_set_max_bytes_for_level_multiplier(rocksdb_options_t* opt, + double n) { + opt->rep.max_bytes_for_level_multiplier = n; +} + +void rocksdb_options_set_max_compaction_bytes(rocksdb_options_t* opt, + uint64_t n) { + opt->rep.max_compaction_bytes = n; +} + +void rocksdb_options_set_max_bytes_for_level_multiplier_additional( + rocksdb_options_t* opt, int* level_values, size_t num_levels) { + opt->rep.max_bytes_for_level_multiplier_additional.resize(num_levels); + for (size_t i = 0; i < num_levels; ++i) { + opt->rep.max_bytes_for_level_multiplier_additional[i] = level_values[i]; + } +} + +void rocksdb_options_enable_statistics(rocksdb_options_t* opt) { + opt->rep.statistics = rocksdb::CreateDBStatistics(); +} + +void rocksdb_options_set_skip_stats_update_on_db_open(rocksdb_options_t* opt, + unsigned char val) { + opt->rep.skip_stats_update_on_db_open = val; +} + +void rocksdb_options_set_num_levels(rocksdb_options_t* opt, int n) { + opt->rep.num_levels = n; +} + +void rocksdb_options_set_level0_file_num_compaction_trigger( + rocksdb_options_t* opt, int n) { + opt->rep.level0_file_num_compaction_trigger = n; +} + +void rocksdb_options_set_level0_slowdown_writes_trigger( + rocksdb_options_t* opt, int n) { + opt->rep.level0_slowdown_writes_trigger = n; +} + +void rocksdb_options_set_level0_stop_writes_trigger( + rocksdb_options_t* opt, int n) { + opt->rep.level0_stop_writes_trigger = n; +} + +void rocksdb_options_set_max_mem_compaction_level(rocksdb_options_t* /*opt*/, + int /*n*/) {} + +void rocksdb_options_set_wal_recovery_mode(rocksdb_options_t* opt,int mode) { + opt->rep.wal_recovery_mode = static_cast<WALRecoveryMode>(mode); +} + +void rocksdb_options_set_compression(rocksdb_options_t* opt, int t) { + opt->rep.compression = static_cast<CompressionType>(t); +} + +void rocksdb_options_set_compression_per_level(rocksdb_options_t* opt, + int* level_values, + size_t num_levels) { + opt->rep.compression_per_level.resize(num_levels); + for (size_t i = 0; i < num_levels; ++i) { + opt->rep.compression_per_level[i] = + static_cast<CompressionType>(level_values[i]); + } +} + +void rocksdb_options_set_bottommost_compression_options(rocksdb_options_t* opt, + int w_bits, int level, + int strategy, + int max_dict_bytes, + bool enabled) { + opt->rep.bottommost_compression_opts.window_bits = w_bits; + opt->rep.bottommost_compression_opts.level = level; + opt->rep.bottommost_compression_opts.strategy = strategy; + opt->rep.bottommost_compression_opts.max_dict_bytes = max_dict_bytes; + opt->rep.bottommost_compression_opts.enabled = enabled; +} + +void rocksdb_options_set_compression_options(rocksdb_options_t* opt, int w_bits, + int level, int strategy, + int max_dict_bytes) { + opt->rep.compression_opts.window_bits = w_bits; + opt->rep.compression_opts.level = level; + opt->rep.compression_opts.strategy = strategy; + opt->rep.compression_opts.max_dict_bytes = max_dict_bytes; +} + +void rocksdb_options_set_prefix_extractor( + rocksdb_options_t* opt, rocksdb_slicetransform_t* prefix_extractor) { + opt->rep.prefix_extractor.reset(prefix_extractor); +} + +void rocksdb_options_set_use_fsync( + rocksdb_options_t* opt, int use_fsync) { + opt->rep.use_fsync = use_fsync; +} + +void rocksdb_options_set_db_log_dir( + rocksdb_options_t* opt, const char* db_log_dir) { + opt->rep.db_log_dir = db_log_dir; +} + +void rocksdb_options_set_wal_dir( + rocksdb_options_t* opt, const char* v) { + opt->rep.wal_dir = v; +} + +void rocksdb_options_set_WAL_ttl_seconds(rocksdb_options_t* opt, uint64_t ttl) { + opt->rep.WAL_ttl_seconds = ttl; +} + +void rocksdb_options_set_WAL_size_limit_MB( + rocksdb_options_t* opt, uint64_t limit) { + opt->rep.WAL_size_limit_MB = limit; +} + +void rocksdb_options_set_manifest_preallocation_size( + rocksdb_options_t* opt, size_t v) { + opt->rep.manifest_preallocation_size = v; +} + +// noop +void rocksdb_options_set_purge_redundant_kvs_while_flush( + rocksdb_options_t* /*opt*/, unsigned char /*v*/) {} + +void rocksdb_options_set_use_direct_reads(rocksdb_options_t* opt, + unsigned char v) { + opt->rep.use_direct_reads = v; +} + +void rocksdb_options_set_use_direct_io_for_flush_and_compaction( + rocksdb_options_t* opt, unsigned char v) { + opt->rep.use_direct_io_for_flush_and_compaction = v; +} + +void rocksdb_options_set_allow_mmap_reads( + rocksdb_options_t* opt, unsigned char v) { + opt->rep.allow_mmap_reads = v; +} + +void rocksdb_options_set_allow_mmap_writes( + rocksdb_options_t* opt, unsigned char v) { + opt->rep.allow_mmap_writes = v; +} + +void rocksdb_options_set_is_fd_close_on_exec( + rocksdb_options_t* opt, unsigned char v) { + opt->rep.is_fd_close_on_exec = v; +} + +void rocksdb_options_set_skip_log_error_on_recovery( + rocksdb_options_t* opt, unsigned char v) { + opt->rep.skip_log_error_on_recovery = v; +} + +void rocksdb_options_set_stats_dump_period_sec( + rocksdb_options_t* opt, unsigned int v) { + opt->rep.stats_dump_period_sec = v; +} + +void rocksdb_options_set_advise_random_on_open( + rocksdb_options_t* opt, unsigned char v) { + opt->rep.advise_random_on_open = v; +} + +void rocksdb_options_set_access_hint_on_compaction_start( + rocksdb_options_t* opt, int v) { + switch(v) { + case 0: + opt->rep.access_hint_on_compaction_start = rocksdb::Options::NONE; + break; + case 1: + opt->rep.access_hint_on_compaction_start = rocksdb::Options::NORMAL; + break; + case 2: + opt->rep.access_hint_on_compaction_start = rocksdb::Options::SEQUENTIAL; + break; + case 3: + opt->rep.access_hint_on_compaction_start = rocksdb::Options::WILLNEED; + break; + } +} + +void rocksdb_options_set_use_adaptive_mutex( + rocksdb_options_t* opt, unsigned char v) { + opt->rep.use_adaptive_mutex = v; +} + +void rocksdb_options_set_wal_bytes_per_sync( + rocksdb_options_t* opt, uint64_t v) { + opt->rep.wal_bytes_per_sync = v; +} + +void rocksdb_options_set_bytes_per_sync( + rocksdb_options_t* opt, uint64_t v) { + opt->rep.bytes_per_sync = v; +} + +void rocksdb_options_set_writable_file_max_buffer_size(rocksdb_options_t* opt, + uint64_t v) { + opt->rep.writable_file_max_buffer_size = static_cast<size_t>(v); +} + +void rocksdb_options_set_allow_concurrent_memtable_write(rocksdb_options_t* opt, + unsigned char v) { + opt->rep.allow_concurrent_memtable_write = v; +} + +void rocksdb_options_set_enable_write_thread_adaptive_yield( + rocksdb_options_t* opt, unsigned char v) { + opt->rep.enable_write_thread_adaptive_yield = v; +} + +void rocksdb_options_set_max_sequential_skip_in_iterations( + rocksdb_options_t* opt, uint64_t v) { + opt->rep.max_sequential_skip_in_iterations = v; +} + +void rocksdb_options_set_max_write_buffer_number(rocksdb_options_t* opt, int n) { + opt->rep.max_write_buffer_number = n; +} + +void rocksdb_options_set_min_write_buffer_number_to_merge(rocksdb_options_t* opt, int n) { + opt->rep.min_write_buffer_number_to_merge = n; +} + +void rocksdb_options_set_max_write_buffer_number_to_maintain( + rocksdb_options_t* opt, int n) { + opt->rep.max_write_buffer_number_to_maintain = n; +} + +void rocksdb_options_set_enable_pipelined_write(rocksdb_options_t* opt, + unsigned char v) { + opt->rep.enable_pipelined_write = v; +} + +void rocksdb_options_set_max_subcompactions(rocksdb_options_t* opt, + uint32_t n) { + opt->rep.max_subcompactions = n; +} + +void rocksdb_options_set_max_background_jobs(rocksdb_options_t* opt, int n) { + opt->rep.max_background_jobs = n; +} + +void rocksdb_options_set_max_background_compactions(rocksdb_options_t* opt, int n) { + opt->rep.max_background_compactions = n; +} + +void rocksdb_options_set_base_background_compactions(rocksdb_options_t* opt, + int n) { + opt->rep.base_background_compactions = n; +} + +void rocksdb_options_set_max_background_flushes(rocksdb_options_t* opt, int n) { + opt->rep.max_background_flushes = n; +} + +void rocksdb_options_set_max_log_file_size(rocksdb_options_t* opt, size_t v) { + opt->rep.max_log_file_size = v; +} + +void rocksdb_options_set_log_file_time_to_roll(rocksdb_options_t* opt, size_t v) { + opt->rep.log_file_time_to_roll = v; +} + +void rocksdb_options_set_keep_log_file_num(rocksdb_options_t* opt, size_t v) { + opt->rep.keep_log_file_num = v; +} + +void rocksdb_options_set_recycle_log_file_num(rocksdb_options_t* opt, + size_t v) { + opt->rep.recycle_log_file_num = v; +} + +void rocksdb_options_set_soft_rate_limit(rocksdb_options_t* opt, double v) { + opt->rep.soft_rate_limit = v; +} + +void rocksdb_options_set_hard_rate_limit(rocksdb_options_t* opt, double v) { + opt->rep.hard_rate_limit = v; +} + +void rocksdb_options_set_soft_pending_compaction_bytes_limit(rocksdb_options_t* opt, size_t v) { + opt->rep.soft_pending_compaction_bytes_limit = v; +} + +void rocksdb_options_set_hard_pending_compaction_bytes_limit(rocksdb_options_t* opt, size_t v) { + opt->rep.hard_pending_compaction_bytes_limit = v; +} + +void rocksdb_options_set_rate_limit_delay_max_milliseconds( + rocksdb_options_t* opt, unsigned int v) { + opt->rep.rate_limit_delay_max_milliseconds = v; +} + +void rocksdb_options_set_max_manifest_file_size( + rocksdb_options_t* opt, size_t v) { + opt->rep.max_manifest_file_size = v; +} + +void rocksdb_options_set_table_cache_numshardbits( + rocksdb_options_t* opt, int v) { + opt->rep.table_cache_numshardbits = v; +} + +void rocksdb_options_set_table_cache_remove_scan_count_limit( + rocksdb_options_t* /*opt*/, int /*v*/) { + // this option is deprecated +} + +void rocksdb_options_set_arena_block_size( + rocksdb_options_t* opt, size_t v) { + opt->rep.arena_block_size = v; +} + +void rocksdb_options_set_disable_auto_compactions(rocksdb_options_t* opt, int disable) { + opt->rep.disable_auto_compactions = disable; +} + +void rocksdb_options_set_optimize_filters_for_hits(rocksdb_options_t* opt, int v) { + opt->rep.optimize_filters_for_hits = v; +} + +void rocksdb_options_set_delete_obsolete_files_period_micros( + rocksdb_options_t* opt, uint64_t v) { + opt->rep.delete_obsolete_files_period_micros = v; +} + +void rocksdb_options_prepare_for_bulk_load(rocksdb_options_t* opt) { + opt->rep.PrepareForBulkLoad(); +} + +void rocksdb_options_set_memtable_vector_rep(rocksdb_options_t *opt) { + opt->rep.memtable_factory.reset(new rocksdb::VectorRepFactory); +} + +void rocksdb_options_set_memtable_prefix_bloom_size_ratio( + rocksdb_options_t* opt, double v) { + opt->rep.memtable_prefix_bloom_size_ratio = v; +} + +void rocksdb_options_set_memtable_huge_page_size(rocksdb_options_t* opt, + size_t v) { + opt->rep.memtable_huge_page_size = v; +} + +void rocksdb_options_set_hash_skip_list_rep( + rocksdb_options_t *opt, size_t bucket_count, + int32_t skiplist_height, int32_t skiplist_branching_factor) { + rocksdb::MemTableRepFactory* factory = rocksdb::NewHashSkipListRepFactory( + bucket_count, skiplist_height, skiplist_branching_factor); + opt->rep.memtable_factory.reset(factory); +} + +void rocksdb_options_set_hash_link_list_rep( + rocksdb_options_t *opt, size_t bucket_count) { + opt->rep.memtable_factory.reset(rocksdb::NewHashLinkListRepFactory(bucket_count)); +} + +void rocksdb_options_set_plain_table_factory( + rocksdb_options_t *opt, uint32_t user_key_len, int bloom_bits_per_key, + double hash_table_ratio, size_t index_sparseness) { + rocksdb::PlainTableOptions options; + options.user_key_len = user_key_len; + options.bloom_bits_per_key = bloom_bits_per_key; + options.hash_table_ratio = hash_table_ratio; + options.index_sparseness = index_sparseness; + + rocksdb::TableFactory* factory = rocksdb::NewPlainTableFactory(options); + opt->rep.table_factory.reset(factory); +} + +void rocksdb_options_set_max_successive_merges( + rocksdb_options_t* opt, size_t v) { + opt->rep.max_successive_merges = v; +} + +void rocksdb_options_set_bloom_locality( + rocksdb_options_t* opt, uint32_t v) { + opt->rep.bloom_locality = v; +} + +void rocksdb_options_set_inplace_update_support( + rocksdb_options_t* opt, unsigned char v) { + opt->rep.inplace_update_support = v; +} + +void rocksdb_options_set_inplace_update_num_locks( + rocksdb_options_t* opt, size_t v) { + opt->rep.inplace_update_num_locks = v; +} + +void rocksdb_options_set_report_bg_io_stats( + rocksdb_options_t* opt, int v) { + opt->rep.report_bg_io_stats = v; +} + +void rocksdb_options_set_compaction_style(rocksdb_options_t *opt, int style) { + opt->rep.compaction_style = static_cast<rocksdb::CompactionStyle>(style); +} + +void rocksdb_options_set_universal_compaction_options(rocksdb_options_t *opt, rocksdb_universal_compaction_options_t *uco) { + opt->rep.compaction_options_universal = *(uco->rep); +} + +void rocksdb_options_set_fifo_compaction_options( + rocksdb_options_t* opt, + rocksdb_fifo_compaction_options_t* fifo) { + opt->rep.compaction_options_fifo = fifo->rep; +} + +char *rocksdb_options_statistics_get_string(rocksdb_options_t *opt) { + rocksdb::Statistics *statistics = opt->rep.statistics.get(); + if (statistics) { + return strdup(statistics->ToString().c_str()); + } + return nullptr; +} + +void rocksdb_options_set_ratelimiter(rocksdb_options_t *opt, rocksdb_ratelimiter_t *limiter) { + if (limiter) { + opt->rep.rate_limiter = limiter->rep; + } +} + +rocksdb_ratelimiter_t* rocksdb_ratelimiter_create( + int64_t rate_bytes_per_sec, + int64_t refill_period_us, + int32_t fairness) { + rocksdb_ratelimiter_t* rate_limiter = new rocksdb_ratelimiter_t; + rate_limiter->rep.reset( + NewGenericRateLimiter(rate_bytes_per_sec, + refill_period_us, fairness)); + return rate_limiter; +} + +void rocksdb_ratelimiter_destroy(rocksdb_ratelimiter_t *limiter) { + delete limiter; +} + +void rocksdb_set_perf_level(int v) { + PerfLevel level = static_cast<PerfLevel>(v); + SetPerfLevel(level); +} + +rocksdb_perfcontext_t* rocksdb_perfcontext_create() { + rocksdb_perfcontext_t* context = new rocksdb_perfcontext_t; + context->rep = rocksdb::get_perf_context(); + return context; +} + +void rocksdb_perfcontext_reset(rocksdb_perfcontext_t* context) { + context->rep->Reset(); +} + +char* rocksdb_perfcontext_report(rocksdb_perfcontext_t* context, + unsigned char exclude_zero_counters) { + return strdup(context->rep->ToString(exclude_zero_counters).c_str()); +} + +uint64_t rocksdb_perfcontext_metric(rocksdb_perfcontext_t* context, + int metric) { + PerfContext* rep = context->rep; + switch (metric) { + case rocksdb_user_key_comparison_count: + return rep->user_key_comparison_count; + case rocksdb_block_cache_hit_count: + return rep->block_cache_hit_count; + case rocksdb_block_read_count: + return rep->block_read_count; + case rocksdb_block_read_byte: + return rep->block_read_byte; + case rocksdb_block_read_time: + return rep->block_read_time; + case rocksdb_block_checksum_time: + return rep->block_checksum_time; + case rocksdb_block_decompress_time: + return rep->block_decompress_time; + case rocksdb_get_read_bytes: + return rep->get_read_bytes; + case rocksdb_multiget_read_bytes: + return rep->multiget_read_bytes; + case rocksdb_iter_read_bytes: + return rep->iter_read_bytes; + case rocksdb_internal_key_skipped_count: + return rep->internal_key_skipped_count; + case rocksdb_internal_delete_skipped_count: + return rep->internal_delete_skipped_count; + case rocksdb_internal_recent_skipped_count: + return rep->internal_recent_skipped_count; + case rocksdb_internal_merge_count: + return rep->internal_merge_count; + case rocksdb_get_snapshot_time: + return rep->get_snapshot_time; + case rocksdb_get_from_memtable_time: + return rep->get_from_memtable_time; + case rocksdb_get_from_memtable_count: + return rep->get_from_memtable_count; + case rocksdb_get_post_process_time: + return rep->get_post_process_time; + case rocksdb_get_from_output_files_time: + return rep->get_from_output_files_time; + case rocksdb_seek_on_memtable_time: + return rep->seek_on_memtable_time; + case rocksdb_seek_on_memtable_count: + return rep->seek_on_memtable_count; + case rocksdb_next_on_memtable_count: + return rep->next_on_memtable_count; + case rocksdb_prev_on_memtable_count: + return rep->prev_on_memtable_count; + case rocksdb_seek_child_seek_time: + return rep->seek_child_seek_time; + case rocksdb_seek_child_seek_count: + return rep->seek_child_seek_count; + case rocksdb_seek_min_heap_time: + return rep->seek_min_heap_time; + case rocksdb_seek_max_heap_time: + return rep->seek_max_heap_time; + case rocksdb_seek_internal_seek_time: + return rep->seek_internal_seek_time; + case rocksdb_find_next_user_entry_time: + return rep->find_next_user_entry_time; + case rocksdb_write_wal_time: + return rep->write_wal_time; + case rocksdb_write_memtable_time: + return rep->write_memtable_time; + case rocksdb_write_delay_time: + return rep->write_delay_time; + case rocksdb_write_pre_and_post_process_time: + return rep->write_pre_and_post_process_time; + case rocksdb_db_mutex_lock_nanos: + return rep->db_mutex_lock_nanos; + case rocksdb_db_condition_wait_nanos: + return rep->db_condition_wait_nanos; + case rocksdb_merge_operator_time_nanos: + return rep->merge_operator_time_nanos; + case rocksdb_read_index_block_nanos: + return rep->read_index_block_nanos; + case rocksdb_read_filter_block_nanos: + return rep->read_filter_block_nanos; + case rocksdb_new_table_block_iter_nanos: + return rep->new_table_block_iter_nanos; + case rocksdb_new_table_iterator_nanos: + return rep->new_table_iterator_nanos; + case rocksdb_block_seek_nanos: + return rep->block_seek_nanos; + case rocksdb_find_table_nanos: + return rep->find_table_nanos; + case rocksdb_bloom_memtable_hit_count: + return rep->bloom_memtable_hit_count; + case rocksdb_bloom_memtable_miss_count: + return rep->bloom_memtable_miss_count; + case rocksdb_bloom_sst_hit_count: + return rep->bloom_sst_hit_count; + case rocksdb_bloom_sst_miss_count: + return rep->bloom_sst_miss_count; + case rocksdb_key_lock_wait_time: + return rep->key_lock_wait_time; + case rocksdb_key_lock_wait_count: + return rep->key_lock_wait_count; + case rocksdb_env_new_sequential_file_nanos: + return rep->env_new_sequential_file_nanos; + case rocksdb_env_new_random_access_file_nanos: + return rep->env_new_random_access_file_nanos; + case rocksdb_env_new_writable_file_nanos: + return rep->env_new_writable_file_nanos; + case rocksdb_env_reuse_writable_file_nanos: + return rep->env_reuse_writable_file_nanos; + case rocksdb_env_new_random_rw_file_nanos: + return rep->env_new_random_rw_file_nanos; + case rocksdb_env_new_directory_nanos: + return rep->env_new_directory_nanos; + case rocksdb_env_file_exists_nanos: + return rep->env_file_exists_nanos; + case rocksdb_env_get_children_nanos: + return rep->env_get_children_nanos; + case rocksdb_env_get_children_file_attributes_nanos: + return rep->env_get_children_file_attributes_nanos; + case rocksdb_env_delete_file_nanos: + return rep->env_delete_file_nanos; + case rocksdb_env_create_dir_nanos: + return rep->env_create_dir_nanos; + case rocksdb_env_create_dir_if_missing_nanos: + return rep->env_create_dir_if_missing_nanos; + case rocksdb_env_delete_dir_nanos: + return rep->env_delete_dir_nanos; + case rocksdb_env_get_file_size_nanos: + return rep->env_get_file_size_nanos; + case rocksdb_env_get_file_modification_time_nanos: + return rep->env_get_file_modification_time_nanos; + case rocksdb_env_rename_file_nanos: + return rep->env_rename_file_nanos; + case rocksdb_env_link_file_nanos: + return rep->env_link_file_nanos; + case rocksdb_env_lock_file_nanos: + return rep->env_lock_file_nanos; + case rocksdb_env_unlock_file_nanos: + return rep->env_unlock_file_nanos; + case rocksdb_env_new_logger_nanos: + return rep->env_new_logger_nanos; + default: + break; + } + return 0; +} + +void rocksdb_perfcontext_destroy(rocksdb_perfcontext_t* context) { + delete context; +} + +/* +TODO: +DB::OpenForReadOnly +DB::KeyMayExist +DB::GetOptions +DB::GetSortedWalFiles +DB::GetLatestSequenceNumber +DB::GetUpdatesSince +DB::GetDbIdentity +DB::RunManualCompaction +custom cache +table_properties_collectors +*/ + +rocksdb_compactionfilter_t* rocksdb_compactionfilter_create( + void* state, + void (*destructor)(void*), + unsigned char (*filter)( + void*, + int level, + const char* key, size_t key_length, + const char* existing_value, size_t value_length, + char** new_value, size_t *new_value_length, + unsigned char* value_changed), + const char* (*name)(void*)) { + rocksdb_compactionfilter_t* result = new rocksdb_compactionfilter_t; + result->state_ = state; + result->destructor_ = destructor; + result->filter_ = filter; + result->ignore_snapshots_ = true; + result->name_ = name; + return result; +} + +void rocksdb_compactionfilter_set_ignore_snapshots( + rocksdb_compactionfilter_t* filter, + unsigned char whether_ignore) { + filter->ignore_snapshots_ = whether_ignore; +} + +void rocksdb_compactionfilter_destroy(rocksdb_compactionfilter_t* filter) { + delete filter; +} + +unsigned char rocksdb_compactionfiltercontext_is_full_compaction( + rocksdb_compactionfiltercontext_t* context) { + return context->rep.is_full_compaction; +} + +unsigned char rocksdb_compactionfiltercontext_is_manual_compaction( + rocksdb_compactionfiltercontext_t* context) { + return context->rep.is_manual_compaction; +} + +rocksdb_compactionfilterfactory_t* rocksdb_compactionfilterfactory_create( + void* state, void (*destructor)(void*), + rocksdb_compactionfilter_t* (*create_compaction_filter)( + void*, rocksdb_compactionfiltercontext_t* context), + const char* (*name)(void*)) { + rocksdb_compactionfilterfactory_t* result = + new rocksdb_compactionfilterfactory_t; + result->state_ = state; + result->destructor_ = destructor; + result->create_compaction_filter_ = create_compaction_filter; + result->name_ = name; + return result; +} + +void rocksdb_compactionfilterfactory_destroy( + rocksdb_compactionfilterfactory_t* factory) { + delete factory; +} + +rocksdb_comparator_t* rocksdb_comparator_create( + void* state, + void (*destructor)(void*), + int (*compare)( + void*, + const char* a, size_t alen, + const char* b, size_t blen), + const char* (*name)(void*)) { + rocksdb_comparator_t* result = new rocksdb_comparator_t; + result->state_ = state; + result->destructor_ = destructor; + result->compare_ = compare; + result->name_ = name; + return result; +} + +void rocksdb_comparator_destroy(rocksdb_comparator_t* cmp) { + delete cmp; +} + +rocksdb_filterpolicy_t* rocksdb_filterpolicy_create( + void* state, + void (*destructor)(void*), + char* (*create_filter)( + void*, + const char* const* key_array, const size_t* key_length_array, + int num_keys, + size_t* filter_length), + unsigned char (*key_may_match)( + void*, + const char* key, size_t length, + const char* filter, size_t filter_length), + void (*delete_filter)( + void*, + const char* filter, size_t filter_length), + const char* (*name)(void*)) { + rocksdb_filterpolicy_t* result = new rocksdb_filterpolicy_t; + result->state_ = state; + result->destructor_ = destructor; + result->create_ = create_filter; + result->key_match_ = key_may_match; + result->delete_filter_ = delete_filter; + result->name_ = name; + return result; +} + +void rocksdb_filterpolicy_destroy(rocksdb_filterpolicy_t* filter) { + delete filter; +} + +rocksdb_filterpolicy_t* rocksdb_filterpolicy_create_bloom_format(int bits_per_key, bool original_format) { + // Make a rocksdb_filterpolicy_t, but override all of its methods so + // they delegate to a NewBloomFilterPolicy() instead of user + // supplied C functions. + struct Wrapper : public rocksdb_filterpolicy_t { + const FilterPolicy* rep_; + ~Wrapper() override { delete rep_; } + const char* Name() const override { return rep_->Name(); } + void CreateFilter(const Slice* keys, int n, + std::string* dst) const override { + return rep_->CreateFilter(keys, n, dst); + } + bool KeyMayMatch(const Slice& key, const Slice& filter) const override { + return rep_->KeyMayMatch(key, filter); + } + static void DoNothing(void*) { } + }; + Wrapper* wrapper = new Wrapper; + wrapper->rep_ = NewBloomFilterPolicy(bits_per_key, original_format); + wrapper->state_ = nullptr; + wrapper->delete_filter_ = nullptr; + wrapper->destructor_ = &Wrapper::DoNothing; + return wrapper; +} + +rocksdb_filterpolicy_t* rocksdb_filterpolicy_create_bloom_full(int bits_per_key) { + return rocksdb_filterpolicy_create_bloom_format(bits_per_key, false); +} + +rocksdb_filterpolicy_t* rocksdb_filterpolicy_create_bloom(int bits_per_key) { + return rocksdb_filterpolicy_create_bloom_format(bits_per_key, true); +} + +rocksdb_mergeoperator_t* rocksdb_mergeoperator_create( + void* state, void (*destructor)(void*), + char* (*full_merge)(void*, const char* key, size_t key_length, + const char* existing_value, + size_t existing_value_length, + const char* const* operands_list, + const size_t* operands_list_length, int num_operands, + unsigned char* success, size_t* new_value_length), + char* (*partial_merge)(void*, const char* key, size_t key_length, + const char* const* operands_list, + const size_t* operands_list_length, int num_operands, + unsigned char* success, size_t* new_value_length), + void (*delete_value)(void*, const char* value, size_t value_length), + const char* (*name)(void*)) { + rocksdb_mergeoperator_t* result = new rocksdb_mergeoperator_t; + result->state_ = state; + result->destructor_ = destructor; + result->full_merge_ = full_merge; + result->partial_merge_ = partial_merge; + result->delete_value_ = delete_value; + result->name_ = name; + return result; +} + +void rocksdb_mergeoperator_destroy(rocksdb_mergeoperator_t* merge_operator) { + delete merge_operator; +} + +rocksdb_readoptions_t* rocksdb_readoptions_create() { + return new rocksdb_readoptions_t; +} + +void rocksdb_readoptions_destroy(rocksdb_readoptions_t* opt) { + delete opt; +} + +void rocksdb_readoptions_set_verify_checksums( + rocksdb_readoptions_t* opt, + unsigned char v) { + opt->rep.verify_checksums = v; +} + +void rocksdb_readoptions_set_fill_cache( + rocksdb_readoptions_t* opt, unsigned char v) { + opt->rep.fill_cache = v; +} + +void rocksdb_readoptions_set_snapshot( + rocksdb_readoptions_t* opt, + const rocksdb_snapshot_t* snap) { + opt->rep.snapshot = (snap ? snap->rep : nullptr); +} + +void rocksdb_readoptions_set_iterate_upper_bound( + rocksdb_readoptions_t* opt, + const char* key, size_t keylen) { + if (key == nullptr) { + opt->upper_bound = Slice(); + opt->rep.iterate_upper_bound = nullptr; + + } else { + opt->upper_bound = Slice(key, keylen); + opt->rep.iterate_upper_bound = &opt->upper_bound; + } +} + +void rocksdb_readoptions_set_iterate_lower_bound( + rocksdb_readoptions_t *opt, + const char* key, size_t keylen) { + if (key == nullptr) { + opt->lower_bound = Slice(); + opt->rep.iterate_lower_bound = nullptr; + } else { + opt->lower_bound = Slice(key, keylen); + opt->rep.iterate_lower_bound = &opt->lower_bound; + } +} + +void rocksdb_readoptions_set_read_tier( + rocksdb_readoptions_t* opt, int v) { + opt->rep.read_tier = static_cast<rocksdb::ReadTier>(v); +} + +void rocksdb_readoptions_set_tailing( + rocksdb_readoptions_t* opt, unsigned char v) { + opt->rep.tailing = v; +} + +void rocksdb_readoptions_set_managed( + rocksdb_readoptions_t* opt, unsigned char v) { + opt->rep.managed = v; +} + +void rocksdb_readoptions_set_readahead_size( + rocksdb_readoptions_t* opt, size_t v) { + opt->rep.readahead_size = v; +} + +void rocksdb_readoptions_set_prefix_same_as_start( + rocksdb_readoptions_t* opt, unsigned char v) { + opt->rep.prefix_same_as_start = v; +} + +void rocksdb_readoptions_set_pin_data(rocksdb_readoptions_t* opt, + unsigned char v) { + opt->rep.pin_data = v; +} + +void rocksdb_readoptions_set_total_order_seek(rocksdb_readoptions_t* opt, + unsigned char v) { + opt->rep.total_order_seek = v; +} + +void rocksdb_readoptions_set_max_skippable_internal_keys( + rocksdb_readoptions_t* opt, + uint64_t v) { + opt->rep.max_skippable_internal_keys = v; +} + +void rocksdb_readoptions_set_background_purge_on_iterator_cleanup( + rocksdb_readoptions_t* opt, unsigned char v) { + opt->rep.background_purge_on_iterator_cleanup = v; +} + +void rocksdb_readoptions_set_ignore_range_deletions( + rocksdb_readoptions_t* opt, unsigned char v) { + opt->rep.ignore_range_deletions = v; +} + +rocksdb_writeoptions_t* rocksdb_writeoptions_create() { + return new rocksdb_writeoptions_t; +} + +void rocksdb_writeoptions_destroy(rocksdb_writeoptions_t* opt) { + delete opt; +} + +void rocksdb_writeoptions_set_sync( + rocksdb_writeoptions_t* opt, unsigned char v) { + opt->rep.sync = v; +} + +void rocksdb_writeoptions_disable_WAL(rocksdb_writeoptions_t* opt, int disable) { + opt->rep.disableWAL = disable; +} + +void rocksdb_writeoptions_set_ignore_missing_column_families( + rocksdb_writeoptions_t* opt, + unsigned char v) { + opt->rep.ignore_missing_column_families = v; +} + +void rocksdb_writeoptions_set_no_slowdown( + rocksdb_writeoptions_t* opt, + unsigned char v) { + opt->rep.no_slowdown = v; +} + +void rocksdb_writeoptions_set_low_pri( + rocksdb_writeoptions_t* opt, + unsigned char v) { + opt->rep.low_pri = v; +} + +rocksdb_compactoptions_t* rocksdb_compactoptions_create() { + return new rocksdb_compactoptions_t; +} + +void rocksdb_compactoptions_destroy(rocksdb_compactoptions_t* opt) { + delete opt; +} + +void rocksdb_compactoptions_set_bottommost_level_compaction( + rocksdb_compactoptions_t* opt, unsigned char v) { + opt->rep.bottommost_level_compaction = static_cast<BottommostLevelCompaction>(v); +} + +void rocksdb_compactoptions_set_exclusive_manual_compaction( + rocksdb_compactoptions_t* opt, unsigned char v) { + opt->rep.exclusive_manual_compaction = v; +} + +void rocksdb_compactoptions_set_change_level(rocksdb_compactoptions_t* opt, + unsigned char v) { + opt->rep.change_level = v; +} + +void rocksdb_compactoptions_set_target_level(rocksdb_compactoptions_t* opt, + int n) { + opt->rep.target_level = n; +} + +rocksdb_flushoptions_t* rocksdb_flushoptions_create() { + return new rocksdb_flushoptions_t; +} + +void rocksdb_flushoptions_destroy(rocksdb_flushoptions_t* opt) { + delete opt; +} + +void rocksdb_flushoptions_set_wait( + rocksdb_flushoptions_t* opt, unsigned char v) { + opt->rep.wait = v; +} + +rocksdb_cache_t* rocksdb_cache_create_lru(size_t capacity) { + rocksdb_cache_t* c = new rocksdb_cache_t; + c->rep = NewLRUCache(capacity); + return c; +} + +void rocksdb_cache_destroy(rocksdb_cache_t* cache) { + delete cache; +} + +void rocksdb_cache_set_capacity(rocksdb_cache_t* cache, size_t capacity) { + cache->rep->SetCapacity(capacity); +} + +size_t rocksdb_cache_get_usage(rocksdb_cache_t* cache) { + return cache->rep->GetUsage(); +} + +size_t rocksdb_cache_get_pinned_usage(rocksdb_cache_t* cache) { + return cache->rep->GetPinnedUsage(); +} + +rocksdb_dbpath_t* rocksdb_dbpath_create(const char* path, uint64_t target_size) { + rocksdb_dbpath_t* result = new rocksdb_dbpath_t; + result->rep.path = std::string(path); + result->rep.target_size = target_size; + return result; +} + +void rocksdb_dbpath_destroy(rocksdb_dbpath_t* dbpath) { + delete dbpath; +} + +rocksdb_env_t* rocksdb_create_default_env() { + rocksdb_env_t* result = new rocksdb_env_t; + result->rep = Env::Default(); + result->is_default = true; + return result; +} + +rocksdb_env_t* rocksdb_create_mem_env() { + rocksdb_env_t* result = new rocksdb_env_t; + result->rep = rocksdb::NewMemEnv(Env::Default()); + result->is_default = false; + return result; +} + +void rocksdb_env_set_background_threads(rocksdb_env_t* env, int n) { + env->rep->SetBackgroundThreads(n); +} + +void rocksdb_env_set_high_priority_background_threads(rocksdb_env_t* env, int n) { + env->rep->SetBackgroundThreads(n, Env::HIGH); +} + +void rocksdb_env_join_all_threads(rocksdb_env_t* env) { + env->rep->WaitForJoin(); +} + +void rocksdb_env_destroy(rocksdb_env_t* env) { + if (!env->is_default) delete env->rep; + delete env; +} + +rocksdb_envoptions_t* rocksdb_envoptions_create() { + rocksdb_envoptions_t* opt = new rocksdb_envoptions_t; + return opt; +} + +void rocksdb_envoptions_destroy(rocksdb_envoptions_t* opt) { delete opt; } + +rocksdb_sstfilewriter_t* rocksdb_sstfilewriter_create( + const rocksdb_envoptions_t* env, const rocksdb_options_t* io_options) { + rocksdb_sstfilewriter_t* writer = new rocksdb_sstfilewriter_t; + writer->rep = new SstFileWriter(env->rep, io_options->rep); + return writer; +} + +rocksdb_sstfilewriter_t* rocksdb_sstfilewriter_create_with_comparator( + const rocksdb_envoptions_t* env, const rocksdb_options_t* io_options, + const rocksdb_comparator_t* /*comparator*/) { + rocksdb_sstfilewriter_t* writer = new rocksdb_sstfilewriter_t; + writer->rep = new SstFileWriter(env->rep, io_options->rep); + return writer; +} + +void rocksdb_sstfilewriter_open(rocksdb_sstfilewriter_t* writer, + const char* name, char** errptr) { + SaveError(errptr, writer->rep->Open(std::string(name))); +} + +void rocksdb_sstfilewriter_add(rocksdb_sstfilewriter_t* writer, const char* key, + size_t keylen, const char* val, size_t vallen, + char** errptr) { + SaveError(errptr, writer->rep->Put(Slice(key, keylen), Slice(val, vallen))); +} + +void rocksdb_sstfilewriter_put(rocksdb_sstfilewriter_t* writer, const char* key, + size_t keylen, const char* val, size_t vallen, + char** errptr) { + SaveError(errptr, writer->rep->Put(Slice(key, keylen), Slice(val, vallen))); +} + +void rocksdb_sstfilewriter_merge(rocksdb_sstfilewriter_t* writer, + const char* key, size_t keylen, + const char* val, size_t vallen, + char** errptr) { + SaveError(errptr, writer->rep->Merge(Slice(key, keylen), Slice(val, vallen))); +} + +void rocksdb_sstfilewriter_delete(rocksdb_sstfilewriter_t* writer, + const char* key, size_t keylen, + char** errptr) { + SaveError(errptr, writer->rep->Delete(Slice(key, keylen))); +} + +void rocksdb_sstfilewriter_finish(rocksdb_sstfilewriter_t* writer, + char** errptr) { + SaveError(errptr, writer->rep->Finish(nullptr)); +} + +void rocksdb_sstfilewriter_file_size(rocksdb_sstfilewriter_t* writer, + uint64_t* file_size) { + *file_size = writer->rep->FileSize(); +} + +void rocksdb_sstfilewriter_destroy(rocksdb_sstfilewriter_t* writer) { + delete writer->rep; + delete writer; +} + +rocksdb_ingestexternalfileoptions_t* +rocksdb_ingestexternalfileoptions_create() { + rocksdb_ingestexternalfileoptions_t* opt = + new rocksdb_ingestexternalfileoptions_t; + return opt; +} + +void rocksdb_ingestexternalfileoptions_set_move_files( + rocksdb_ingestexternalfileoptions_t* opt, unsigned char move_files) { + opt->rep.move_files = move_files; +} + +void rocksdb_ingestexternalfileoptions_set_snapshot_consistency( + rocksdb_ingestexternalfileoptions_t* opt, + unsigned char snapshot_consistency) { + opt->rep.snapshot_consistency = snapshot_consistency; +} + +void rocksdb_ingestexternalfileoptions_set_allow_global_seqno( + rocksdb_ingestexternalfileoptions_t* opt, + unsigned char allow_global_seqno) { + opt->rep.allow_global_seqno = allow_global_seqno; +} + +void rocksdb_ingestexternalfileoptions_set_allow_blocking_flush( + rocksdb_ingestexternalfileoptions_t* opt, + unsigned char allow_blocking_flush) { + opt->rep.allow_blocking_flush = allow_blocking_flush; +} + +void rocksdb_ingestexternalfileoptions_set_ingest_behind( + rocksdb_ingestexternalfileoptions_t* opt, + unsigned char ingest_behind) { + opt->rep.ingest_behind = ingest_behind; +} + +void rocksdb_ingestexternalfileoptions_destroy( + rocksdb_ingestexternalfileoptions_t* opt) { + delete opt; +} + +void rocksdb_ingest_external_file( + rocksdb_t* db, const char* const* file_list, const size_t list_len, + const rocksdb_ingestexternalfileoptions_t* opt, char** errptr) { + std::vector<std::string> files(list_len); + for (size_t i = 0; i < list_len; ++i) { + files[i] = std::string(file_list[i]); + } + SaveError(errptr, db->rep->IngestExternalFile(files, opt->rep)); +} + +void rocksdb_ingest_external_file_cf( + rocksdb_t* db, rocksdb_column_family_handle_t* handle, + const char* const* file_list, const size_t list_len, + const rocksdb_ingestexternalfileoptions_t* opt, char** errptr) { + std::vector<std::string> files(list_len); + for (size_t i = 0; i < list_len; ++i) { + files[i] = std::string(file_list[i]); + } + SaveError(errptr, db->rep->IngestExternalFile(handle->rep, files, opt->rep)); +} + +rocksdb_slicetransform_t* rocksdb_slicetransform_create( + void* state, + void (*destructor)(void*), + char* (*transform)( + void*, + const char* key, size_t length, + size_t* dst_length), + unsigned char (*in_domain)( + void*, + const char* key, size_t length), + unsigned char (*in_range)( + void*, + const char* key, size_t length), + const char* (*name)(void*)) { + rocksdb_slicetransform_t* result = new rocksdb_slicetransform_t; + result->state_ = state; + result->destructor_ = destructor; + result->transform_ = transform; + result->in_domain_ = in_domain; + result->in_range_ = in_range; + result->name_ = name; + return result; +} + +void rocksdb_slicetransform_destroy(rocksdb_slicetransform_t* st) { + delete st; +} + +struct Wrapper : public rocksdb_slicetransform_t { + const SliceTransform* rep_; + ~Wrapper() override { delete rep_; } + const char* Name() const override { return rep_->Name(); } + Slice Transform(const Slice& src) const override { + return rep_->Transform(src); + } + bool InDomain(const Slice& src) const override { + return rep_->InDomain(src); + } + bool InRange(const Slice& src) const override { return rep_->InRange(src); } + static void DoNothing(void*) { } +}; + +rocksdb_slicetransform_t* rocksdb_slicetransform_create_fixed_prefix(size_t prefixLen) { + Wrapper* wrapper = new Wrapper; + wrapper->rep_ = rocksdb::NewFixedPrefixTransform(prefixLen); + wrapper->state_ = nullptr; + wrapper->destructor_ = &Wrapper::DoNothing; + return wrapper; +} + +rocksdb_slicetransform_t* rocksdb_slicetransform_create_noop() { + Wrapper* wrapper = new Wrapper; + wrapper->rep_ = rocksdb::NewNoopTransform(); + wrapper->state_ = nullptr; + wrapper->destructor_ = &Wrapper::DoNothing; + return wrapper; +} + +rocksdb_universal_compaction_options_t* rocksdb_universal_compaction_options_create() { + rocksdb_universal_compaction_options_t* result = new rocksdb_universal_compaction_options_t; + result->rep = new rocksdb::CompactionOptionsUniversal; + return result; +} + +void rocksdb_universal_compaction_options_set_size_ratio( + rocksdb_universal_compaction_options_t* uco, int ratio) { + uco->rep->size_ratio = ratio; +} + +void rocksdb_universal_compaction_options_set_min_merge_width( + rocksdb_universal_compaction_options_t* uco, int w) { + uco->rep->min_merge_width = w; +} + +void rocksdb_universal_compaction_options_set_max_merge_width( + rocksdb_universal_compaction_options_t* uco, int w) { + uco->rep->max_merge_width = w; +} + +void rocksdb_universal_compaction_options_set_max_size_amplification_percent( + rocksdb_universal_compaction_options_t* uco, int p) { + uco->rep->max_size_amplification_percent = p; +} + +void rocksdb_universal_compaction_options_set_compression_size_percent( + rocksdb_universal_compaction_options_t* uco, int p) { + uco->rep->compression_size_percent = p; +} + +void rocksdb_universal_compaction_options_set_stop_style( + rocksdb_universal_compaction_options_t* uco, int style) { + uco->rep->stop_style = static_cast<rocksdb::CompactionStopStyle>(style); +} + +void rocksdb_universal_compaction_options_destroy( + rocksdb_universal_compaction_options_t* uco) { + delete uco->rep; + delete uco; +} + +rocksdb_fifo_compaction_options_t* rocksdb_fifo_compaction_options_create() { + rocksdb_fifo_compaction_options_t* result = new rocksdb_fifo_compaction_options_t; + result->rep = CompactionOptionsFIFO(); + return result; +} + +void rocksdb_fifo_compaction_options_set_max_table_files_size( + rocksdb_fifo_compaction_options_t* fifo_opts, uint64_t size) { + fifo_opts->rep.max_table_files_size = size; +} + +void rocksdb_fifo_compaction_options_destroy( + rocksdb_fifo_compaction_options_t* fifo_opts) { + delete fifo_opts; +} + +void rocksdb_options_set_min_level_to_compress(rocksdb_options_t* opt, int level) { + if (level >= 0) { + assert(level <= opt->rep.num_levels); + opt->rep.compression_per_level.resize(opt->rep.num_levels); + for (int i = 0; i < level; i++) { + opt->rep.compression_per_level[i] = rocksdb::kNoCompression; + } + for (int i = level; i < opt->rep.num_levels; i++) { + opt->rep.compression_per_level[i] = opt->rep.compression; + } + } +} + +int rocksdb_livefiles_count( + const rocksdb_livefiles_t* lf) { + return static_cast<int>(lf->rep.size()); +} + +const char* rocksdb_livefiles_name( + const rocksdb_livefiles_t* lf, + int index) { + return lf->rep[index].name.c_str(); +} + +int rocksdb_livefiles_level( + const rocksdb_livefiles_t* lf, + int index) { + return lf->rep[index].level; +} + +size_t rocksdb_livefiles_size( + const rocksdb_livefiles_t* lf, + int index) { + return lf->rep[index].size; +} + +const char* rocksdb_livefiles_smallestkey( + const rocksdb_livefiles_t* lf, + int index, + size_t* size) { + *size = lf->rep[index].smallestkey.size(); + return lf->rep[index].smallestkey.data(); +} + +const char* rocksdb_livefiles_largestkey( + const rocksdb_livefiles_t* lf, + int index, + size_t* size) { + *size = lf->rep[index].largestkey.size(); + return lf->rep[index].largestkey.data(); +} + +uint64_t rocksdb_livefiles_entries( + const rocksdb_livefiles_t* lf, + int index) { + return lf->rep[index].num_entries; +} + +uint64_t rocksdb_livefiles_deletions( + const rocksdb_livefiles_t* lf, + int index) { + return lf->rep[index].num_deletions; +} + +extern void rocksdb_livefiles_destroy( + const rocksdb_livefiles_t* lf) { + delete lf; +} + +void rocksdb_get_options_from_string(const rocksdb_options_t* base_options, + const char* opts_str, + rocksdb_options_t* new_options, + char** errptr) { + SaveError(errptr, + GetOptionsFromString(base_options->rep, std::string(opts_str), + &new_options->rep)); +} + +void rocksdb_delete_file_in_range(rocksdb_t* db, const char* start_key, + size_t start_key_len, const char* limit_key, + size_t limit_key_len, char** errptr) { + Slice a, b; + SaveError( + errptr, + DeleteFilesInRange( + db->rep, db->rep->DefaultColumnFamily(), + (start_key ? (a = Slice(start_key, start_key_len), &a) : nullptr), + (limit_key ? (b = Slice(limit_key, limit_key_len), &b) : nullptr))); +} + +void rocksdb_delete_file_in_range_cf( + rocksdb_t* db, rocksdb_column_family_handle_t* column_family, + const char* start_key, size_t start_key_len, const char* limit_key, + size_t limit_key_len, char** errptr) { + Slice a, b; + SaveError( + errptr, + DeleteFilesInRange( + db->rep, column_family->rep, + (start_key ? (a = Slice(start_key, start_key_len), &a) : nullptr), + (limit_key ? (b = Slice(limit_key, limit_key_len), &b) : nullptr))); +} + +rocksdb_transactiondb_options_t* rocksdb_transactiondb_options_create() { + return new rocksdb_transactiondb_options_t; +} + +void rocksdb_transactiondb_options_destroy(rocksdb_transactiondb_options_t* opt){ + delete opt; +} + +void rocksdb_transactiondb_options_set_max_num_locks( + rocksdb_transactiondb_options_t* opt, int64_t max_num_locks) { + opt->rep.max_num_locks = max_num_locks; +} + +void rocksdb_transactiondb_options_set_num_stripes( + rocksdb_transactiondb_options_t* opt, size_t num_stripes) { + opt->rep.num_stripes = num_stripes; +} + +void rocksdb_transactiondb_options_set_transaction_lock_timeout( + rocksdb_transactiondb_options_t* opt, int64_t txn_lock_timeout) { + opt->rep.transaction_lock_timeout = txn_lock_timeout; +} + +void rocksdb_transactiondb_options_set_default_lock_timeout( + rocksdb_transactiondb_options_t* opt, int64_t default_lock_timeout) { + opt->rep.default_lock_timeout = default_lock_timeout; +} + +rocksdb_transaction_options_t* rocksdb_transaction_options_create() { + return new rocksdb_transaction_options_t; +} + +void rocksdb_transaction_options_destroy(rocksdb_transaction_options_t* opt) { + delete opt; +} + +void rocksdb_transaction_options_set_set_snapshot( + rocksdb_transaction_options_t* opt, unsigned char v) { + opt->rep.set_snapshot = v; +} + +void rocksdb_transaction_options_set_deadlock_detect( + rocksdb_transaction_options_t* opt, unsigned char v) { + opt->rep.deadlock_detect = v; +} + +void rocksdb_transaction_options_set_lock_timeout( + rocksdb_transaction_options_t* opt, int64_t lock_timeout) { + opt->rep.lock_timeout = lock_timeout; +} + +void rocksdb_transaction_options_set_expiration( + rocksdb_transaction_options_t* opt, int64_t expiration) { + opt->rep.expiration = expiration; +} + +void rocksdb_transaction_options_set_deadlock_detect_depth( + rocksdb_transaction_options_t* opt, int64_t depth) { + opt->rep.deadlock_detect_depth = depth; +} + +void rocksdb_transaction_options_set_max_write_batch_size( + rocksdb_transaction_options_t* opt, size_t size) { + opt->rep.max_write_batch_size = size; +} + +rocksdb_optimistictransaction_options_t* +rocksdb_optimistictransaction_options_create() { + return new rocksdb_optimistictransaction_options_t; +} + +void rocksdb_optimistictransaction_options_destroy( + rocksdb_optimistictransaction_options_t* opt) { + delete opt; +} + +void rocksdb_optimistictransaction_options_set_set_snapshot( + rocksdb_optimistictransaction_options_t* opt, unsigned char v) { + opt->rep.set_snapshot = v; +} + +rocksdb_column_family_handle_t* rocksdb_transactiondb_create_column_family( + rocksdb_transactiondb_t* txn_db, + const rocksdb_options_t* column_family_options, + const char* column_family_name, char** errptr) { + rocksdb_column_family_handle_t* handle = new rocksdb_column_family_handle_t; + SaveError(errptr, txn_db->rep->CreateColumnFamily( + ColumnFamilyOptions(column_family_options->rep), + std::string(column_family_name), &(handle->rep))); + return handle; +} + +rocksdb_transactiondb_t* rocksdb_transactiondb_open( + const rocksdb_options_t* options, + const rocksdb_transactiondb_options_t* txn_db_options, const char* name, + char** errptr) { + TransactionDB* txn_db; + if (SaveError(errptr, TransactionDB::Open(options->rep, txn_db_options->rep, + std::string(name), &txn_db))) { + return nullptr; + } + rocksdb_transactiondb_t* result = new rocksdb_transactiondb_t; + result->rep = txn_db; + return result; +} + +rocksdb_transactiondb_t* rocksdb_transactiondb_open_column_families( + const rocksdb_options_t* options, + const rocksdb_transactiondb_options_t* txn_db_options, const char* name, + int num_column_families, const char** column_family_names, + const rocksdb_options_t** column_family_options, + rocksdb_column_family_handle_t** column_family_handles, char** errptr) { + std::vector<ColumnFamilyDescriptor> column_families; + for (int i = 0; i < num_column_families; i++) { + column_families.push_back(ColumnFamilyDescriptor( + std::string(column_family_names[i]), + ColumnFamilyOptions(column_family_options[i]->rep))); + } + + TransactionDB* txn_db; + std::vector<ColumnFamilyHandle*> handles; + if (SaveError(errptr, TransactionDB::Open(options->rep, txn_db_options->rep, + std::string(name), column_families, + &handles, &txn_db))) { + return nullptr; + } + + for (size_t i = 0; i < handles.size(); i++) { + rocksdb_column_family_handle_t* c_handle = + new rocksdb_column_family_handle_t; + c_handle->rep = handles[i]; + column_family_handles[i] = c_handle; + } + rocksdb_transactiondb_t* result = new rocksdb_transactiondb_t; + result->rep = txn_db; + return result; +} + +const rocksdb_snapshot_t* rocksdb_transactiondb_create_snapshot( + rocksdb_transactiondb_t* txn_db) { + rocksdb_snapshot_t* result = new rocksdb_snapshot_t; + result->rep = txn_db->rep->GetSnapshot(); + return result; +} + +void rocksdb_transactiondb_release_snapshot( + rocksdb_transactiondb_t* txn_db, const rocksdb_snapshot_t* snapshot) { + txn_db->rep->ReleaseSnapshot(snapshot->rep); + delete snapshot; +} + +rocksdb_transaction_t* rocksdb_transaction_begin( + rocksdb_transactiondb_t* txn_db, + const rocksdb_writeoptions_t* write_options, + const rocksdb_transaction_options_t* txn_options, + rocksdb_transaction_t* old_txn) { + if (old_txn == nullptr) { + rocksdb_transaction_t* result = new rocksdb_transaction_t; + result->rep = txn_db->rep->BeginTransaction(write_options->rep, + txn_options->rep, nullptr); + return result; + } + old_txn->rep = txn_db->rep->BeginTransaction(write_options->rep, + txn_options->rep, old_txn->rep); + return old_txn; +} + +void rocksdb_transaction_commit(rocksdb_transaction_t* txn, char** errptr) { + SaveError(errptr, txn->rep->Commit()); +} + +void rocksdb_transaction_rollback(rocksdb_transaction_t* txn, char** errptr) { + SaveError(errptr, txn->rep->Rollback()); +} + +void rocksdb_transaction_set_savepoint(rocksdb_transaction_t* txn) { + txn->rep->SetSavePoint(); +} + +void rocksdb_transaction_rollback_to_savepoint(rocksdb_transaction_t* txn, char** errptr) { + SaveError(errptr, txn->rep->RollbackToSavePoint()); +} + +void rocksdb_transaction_destroy(rocksdb_transaction_t* txn) { + delete txn->rep; + delete txn; +} + +const rocksdb_snapshot_t* rocksdb_transaction_get_snapshot( + rocksdb_transaction_t* txn) { + rocksdb_snapshot_t* result = new rocksdb_snapshot_t; + result->rep = txn->rep->GetSnapshot(); + return result; +} + +// Read a key inside a transaction +char* rocksdb_transaction_get(rocksdb_transaction_t* txn, + const rocksdb_readoptions_t* options, + const char* key, size_t klen, size_t* vlen, + char** errptr) { + char* result = nullptr; + std::string tmp; + Status s = txn->rep->Get(options->rep, Slice(key, klen), &tmp); + if (s.ok()) { + *vlen = tmp.size(); + result = CopyString(tmp); + } else { + *vlen = 0; + if (!s.IsNotFound()) { + SaveError(errptr, s); + } + } + return result; +} + +char* rocksdb_transaction_get_cf(rocksdb_transaction_t* txn, + const rocksdb_readoptions_t* options, + rocksdb_column_family_handle_t* column_family, + const char* key, size_t klen, size_t* vlen, + char** errptr) { + char* result = nullptr; + std::string tmp; + Status s = + txn->rep->Get(options->rep, column_family->rep, Slice(key, klen), &tmp); + if (s.ok()) { + *vlen = tmp.size(); + result = CopyString(tmp); + } else { + *vlen = 0; + if (!s.IsNotFound()) { + SaveError(errptr, s); + } + } + return result; +} + +// Read a key inside a transaction +char* rocksdb_transaction_get_for_update(rocksdb_transaction_t* txn, + const rocksdb_readoptions_t* options, + const char* key, size_t klen, + size_t* vlen, unsigned char exclusive, + char** errptr) { + char* result = nullptr; + std::string tmp; + Status s = + txn->rep->GetForUpdate(options->rep, Slice(key, klen), &tmp, exclusive); + if (s.ok()) { + *vlen = tmp.size(); + result = CopyString(tmp); + } else { + *vlen = 0; + if (!s.IsNotFound()) { + SaveError(errptr, s); + } + } + return result; +} + +char* rocksdb_transaction_get_for_update_cf( + rocksdb_transaction_t* txn, const rocksdb_readoptions_t* options, + rocksdb_column_family_handle_t* column_family, const char* key, size_t klen, + size_t* vlen, unsigned char exclusive, char** errptr) { + char* result = nullptr; + std::string tmp; + Status s = txn->rep->GetForUpdate(options->rep, column_family->rep, + Slice(key, klen), &tmp, exclusive); + if (s.ok()) { + *vlen = tmp.size(); + result = CopyString(tmp); + } else { + *vlen = 0; + if (!s.IsNotFound()) { + SaveError(errptr, s); + } + } + return result; +} + +// Read a key outside a transaction +char* rocksdb_transactiondb_get( + rocksdb_transactiondb_t* txn_db, + const rocksdb_readoptions_t* options, + const char* key, size_t klen, + size_t* vlen, + char** errptr){ + char* result = nullptr; + std::string tmp; + Status s = txn_db->rep->Get(options->rep, Slice(key, klen), &tmp); + if (s.ok()) { + *vlen = tmp.size(); + result = CopyString(tmp); + } else { + *vlen = 0; + if (!s.IsNotFound()) { + SaveError(errptr, s); + } + } + return result; +} + +char* rocksdb_transactiondb_get_cf( + rocksdb_transactiondb_t* txn_db, const rocksdb_readoptions_t* options, + rocksdb_column_family_handle_t* column_family, const char* key, + size_t keylen, size_t* vallen, char** errptr) { + char* result = nullptr; + std::string tmp; + Status s = txn_db->rep->Get(options->rep, column_family->rep, + Slice(key, keylen), &tmp); + if (s.ok()) { + *vallen = tmp.size(); + result = CopyString(tmp); + } else { + *vallen = 0; + if (!s.IsNotFound()) { + SaveError(errptr, s); + } + } + return result; +} + +// Put a key inside a transaction +void rocksdb_transaction_put(rocksdb_transaction_t* txn, const char* key, + size_t klen, const char* val, size_t vlen, + char** errptr) { + SaveError(errptr, txn->rep->Put(Slice(key, klen), Slice(val, vlen))); +} + +void rocksdb_transaction_put_cf(rocksdb_transaction_t* txn, + rocksdb_column_family_handle_t* column_family, + const char* key, size_t klen, const char* val, + size_t vlen, char** errptr) { + SaveError(errptr, txn->rep->Put(column_family->rep, Slice(key, klen), + Slice(val, vlen))); +} + +// Put a key outside a transaction +void rocksdb_transactiondb_put(rocksdb_transactiondb_t* txn_db, + const rocksdb_writeoptions_t* options, + const char* key, size_t klen, const char* val, + size_t vlen, char** errptr) { + SaveError(errptr, + txn_db->rep->Put(options->rep, Slice(key, klen), Slice(val, vlen))); +} + +void rocksdb_transactiondb_put_cf(rocksdb_transactiondb_t* txn_db, + const rocksdb_writeoptions_t* options, + rocksdb_column_family_handle_t* column_family, + const char* key, size_t keylen, + const char* val, size_t vallen, + char** errptr) { + SaveError(errptr, txn_db->rep->Put(options->rep, column_family->rep, + Slice(key, keylen), Slice(val, vallen))); +} + +// Write batch into transaction db +void rocksdb_transactiondb_write( + rocksdb_transactiondb_t* db, + const rocksdb_writeoptions_t* options, + rocksdb_writebatch_t* batch, + char** errptr) { + SaveError(errptr, db->rep->Write(options->rep, &batch->rep)); +} + +// Merge a key inside a transaction +void rocksdb_transaction_merge(rocksdb_transaction_t* txn, const char* key, + size_t klen, const char* val, size_t vlen, + char** errptr) { + SaveError(errptr, txn->rep->Merge(Slice(key, klen), Slice(val, vlen))); +} + +void rocksdb_transaction_merge_cf(rocksdb_transaction_t* txn, + rocksdb_column_family_handle_t* column_family, + const char* key, size_t klen, const char* val, + size_t vlen, char** errptr) { + SaveError(errptr, txn->rep->Merge(column_family->rep, Slice(key, klen), + Slice(val, vlen))); +} + +// Merge a key outside a transaction +void rocksdb_transactiondb_merge(rocksdb_transactiondb_t* txn_db, + const rocksdb_writeoptions_t* options, + const char* key, size_t klen, const char* val, + size_t vlen, char** errptr) { + SaveError(errptr, txn_db->rep->Merge(options->rep, Slice(key, klen), + Slice(val, vlen))); +} + +void rocksdb_transactiondb_merge_cf( + rocksdb_transactiondb_t* txn_db, const rocksdb_writeoptions_t* options, + rocksdb_column_family_handle_t* column_family, const char* key, size_t klen, + const char* val, size_t vlen, char** errptr) { + SaveError(errptr, txn_db->rep->Merge(options->rep, column_family->rep, + Slice(key, klen), Slice(val, vlen))); +} + +// Delete a key inside a transaction +void rocksdb_transaction_delete(rocksdb_transaction_t* txn, const char* key, + size_t klen, char** errptr) { + SaveError(errptr, txn->rep->Delete(Slice(key, klen))); +} + +void rocksdb_transaction_delete_cf( + rocksdb_transaction_t* txn, rocksdb_column_family_handle_t* column_family, + const char* key, size_t klen, char** errptr) { + SaveError(errptr, txn->rep->Delete(column_family->rep, Slice(key, klen))); +} + +// Delete a key outside a transaction +void rocksdb_transactiondb_delete(rocksdb_transactiondb_t* txn_db, + const rocksdb_writeoptions_t* options, + const char* key, size_t klen, char** errptr) { + SaveError(errptr, txn_db->rep->Delete(options->rep, Slice(key, klen))); +} + +void rocksdb_transactiondb_delete_cf( + rocksdb_transactiondb_t* txn_db, const rocksdb_writeoptions_t* options, + rocksdb_column_family_handle_t* column_family, const char* key, + size_t keylen, char** errptr) { + SaveError(errptr, txn_db->rep->Delete(options->rep, column_family->rep, + Slice(key, keylen))); +} + +// Create an iterator inside a transaction +rocksdb_iterator_t* rocksdb_transaction_create_iterator( + rocksdb_transaction_t* txn, const rocksdb_readoptions_t* options) { + rocksdb_iterator_t* result = new rocksdb_iterator_t; + result->rep = txn->rep->GetIterator(options->rep); + return result; +} + +// Create an iterator inside a transaction with column family +rocksdb_iterator_t* rocksdb_transaction_create_iterator_cf( + rocksdb_transaction_t* txn, const rocksdb_readoptions_t* options, + rocksdb_column_family_handle_t* column_family) { + rocksdb_iterator_t* result = new rocksdb_iterator_t; + result->rep = txn->rep->GetIterator(options->rep, column_family->rep); + return result; +} + +// Create an iterator outside a transaction +rocksdb_iterator_t* rocksdb_transactiondb_create_iterator( + rocksdb_transactiondb_t* txn_db, const rocksdb_readoptions_t* options) { + rocksdb_iterator_t* result = new rocksdb_iterator_t; + result->rep = txn_db->rep->NewIterator(options->rep); + return result; +} + +rocksdb_iterator_t* rocksdb_transactiondb_create_iterator_cf( + rocksdb_transactiondb_t* txn_db, const rocksdb_readoptions_t* options, + rocksdb_column_family_handle_t* column_family) { + rocksdb_iterator_t* result = new rocksdb_iterator_t; + result->rep = txn_db->rep->NewIterator(options->rep, column_family->rep); + return result; +} + +void rocksdb_transactiondb_close(rocksdb_transactiondb_t* txn_db) { + delete txn_db->rep; + delete txn_db; +} + +rocksdb_checkpoint_t* rocksdb_transactiondb_checkpoint_object_create( + rocksdb_transactiondb_t* txn_db, char** errptr) { + Checkpoint* checkpoint; + if (SaveError(errptr, Checkpoint::Create(txn_db->rep, &checkpoint))) { + return nullptr; + } + rocksdb_checkpoint_t* result = new rocksdb_checkpoint_t; + result->rep = checkpoint; + return result; +} + +rocksdb_optimistictransactiondb_t* rocksdb_optimistictransactiondb_open( + const rocksdb_options_t* options, const char* name, char** errptr) { + OptimisticTransactionDB* otxn_db; + if (SaveError(errptr, OptimisticTransactionDB::Open( + options->rep, std::string(name), &otxn_db))) { + return nullptr; + } + rocksdb_optimistictransactiondb_t* result = + new rocksdb_optimistictransactiondb_t; + result->rep = otxn_db; + return result; +} + +rocksdb_optimistictransactiondb_t* +rocksdb_optimistictransactiondb_open_column_families( + const rocksdb_options_t* db_options, const char* name, + int num_column_families, const char** column_family_names, + const rocksdb_options_t** column_family_options, + rocksdb_column_family_handle_t** column_family_handles, char** errptr) { + std::vector<ColumnFamilyDescriptor> column_families; + for (int i = 0; i < num_column_families; i++) { + column_families.push_back(ColumnFamilyDescriptor( + std::string(column_family_names[i]), + ColumnFamilyOptions(column_family_options[i]->rep))); + } + + OptimisticTransactionDB* otxn_db; + std::vector<ColumnFamilyHandle*> handles; + if (SaveError(errptr, OptimisticTransactionDB::Open( + DBOptions(db_options->rep), std::string(name), + column_families, &handles, &otxn_db))) { + return nullptr; + } + + for (size_t i = 0; i < handles.size(); i++) { + rocksdb_column_family_handle_t* c_handle = + new rocksdb_column_family_handle_t; + c_handle->rep = handles[i]; + column_family_handles[i] = c_handle; + } + rocksdb_optimistictransactiondb_t* result = + new rocksdb_optimistictransactiondb_t; + result->rep = otxn_db; + return result; +} + +rocksdb_t* rocksdb_optimistictransactiondb_get_base_db( + rocksdb_optimistictransactiondb_t* otxn_db) { + DB* base_db = otxn_db->rep->GetBaseDB(); + + if (base_db != nullptr) { + rocksdb_t* result = new rocksdb_t; + result->rep = base_db; + return result; + } + + return nullptr; +} + +void rocksdb_optimistictransactiondb_close_base_db(rocksdb_t* base_db) { + delete base_db; +} + +rocksdb_transaction_t* rocksdb_optimistictransaction_begin( + rocksdb_optimistictransactiondb_t* otxn_db, + const rocksdb_writeoptions_t* write_options, + const rocksdb_optimistictransaction_options_t* otxn_options, + rocksdb_transaction_t* old_txn) { + if (old_txn == nullptr) { + rocksdb_transaction_t* result = new rocksdb_transaction_t; + result->rep = otxn_db->rep->BeginTransaction(write_options->rep, + otxn_options->rep, nullptr); + return result; + } + old_txn->rep = otxn_db->rep->BeginTransaction( + write_options->rep, otxn_options->rep, old_txn->rep); + return old_txn; +} + +void rocksdb_optimistictransactiondb_close( + rocksdb_optimistictransactiondb_t* otxn_db) { + delete otxn_db->rep; + delete otxn_db; +} + +void rocksdb_free(void* ptr) { free(ptr); } + +rocksdb_pinnableslice_t* rocksdb_get_pinned( + rocksdb_t* db, const rocksdb_readoptions_t* options, const char* key, + size_t keylen, char** errptr) { + rocksdb_pinnableslice_t* v = new (rocksdb_pinnableslice_t); + Status s = db->rep->Get(options->rep, db->rep->DefaultColumnFamily(), + Slice(key, keylen), &v->rep); + if (!s.ok()) { + delete (v); + if (!s.IsNotFound()) { + SaveError(errptr, s); + } + return nullptr; + } + return v; +} + +rocksdb_pinnableslice_t* rocksdb_get_pinned_cf( + rocksdb_t* db, const rocksdb_readoptions_t* options, + rocksdb_column_family_handle_t* column_family, const char* key, + size_t keylen, char** errptr) { + rocksdb_pinnableslice_t* v = new (rocksdb_pinnableslice_t); + Status s = db->rep->Get(options->rep, column_family->rep, Slice(key, keylen), + &v->rep); + if (!s.ok()) { + delete v; + if (!s.IsNotFound()) { + SaveError(errptr, s); + } + return nullptr; + } + return v; +} + +void rocksdb_pinnableslice_destroy(rocksdb_pinnableslice_t* v) { delete v; } + +const char* rocksdb_pinnableslice_value(const rocksdb_pinnableslice_t* v, + size_t* vlen) { + if (!v) { + *vlen = 0; + return nullptr; + } + + *vlen = v->rep.size(); + return v->rep.data(); +} + +// container to keep databases and caches in order to use rocksdb::MemoryUtil +struct rocksdb_memory_consumers_t { + std::vector<rocksdb_t*> dbs; + std::unordered_set<rocksdb_cache_t*> caches; +}; + +// initializes new container of memory consumers +rocksdb_memory_consumers_t* rocksdb_memory_consumers_create() { + return new rocksdb_memory_consumers_t; +} + +// adds datatabase to the container of memory consumers +void rocksdb_memory_consumers_add_db(rocksdb_memory_consumers_t* consumers, + rocksdb_t* db) { + consumers->dbs.push_back(db); +} + +// adds cache to the container of memory consumers +void rocksdb_memory_consumers_add_cache(rocksdb_memory_consumers_t* consumers, + rocksdb_cache_t* cache) { + consumers->caches.insert(cache); +} + +// deletes container with memory consumers +void rocksdb_memory_consumers_destroy(rocksdb_memory_consumers_t* consumers) { + delete consumers; +} + +// contains memory usage statistics provided by rocksdb::MemoryUtil +struct rocksdb_memory_usage_t { + uint64_t mem_table_total; + uint64_t mem_table_unflushed; + uint64_t mem_table_readers_total; + uint64_t cache_total; +}; + +// estimates amount of memory occupied by consumers (dbs and caches) +rocksdb_memory_usage_t* rocksdb_approximate_memory_usage_create( + rocksdb_memory_consumers_t* consumers, char** errptr) { + + vector<DB*> dbs; + for (auto db : consumers->dbs) { + dbs.push_back(db->rep); + } + + unordered_set<const Cache*> cache_set; + for (auto cache : consumers->caches) { + cache_set.insert(const_cast<const Cache*>(cache->rep.get())); + } + + std::map<rocksdb::MemoryUtil::UsageType, uint64_t> usage_by_type; + + auto status = MemoryUtil::GetApproximateMemoryUsageByType(dbs, cache_set, + &usage_by_type); + if (SaveError(errptr, status)) { + return nullptr; + } + + auto result = new rocksdb_memory_usage_t; + result->mem_table_total = usage_by_type[MemoryUtil::kMemTableTotal]; + result->mem_table_unflushed = usage_by_type[MemoryUtil::kMemTableUnFlushed]; + result->mem_table_readers_total = usage_by_type[MemoryUtil::kTableReadersTotal]; + result->cache_total = usage_by_type[MemoryUtil::kCacheTotal]; + return result; +} + +uint64_t rocksdb_approximate_memory_usage_get_mem_table_total( + rocksdb_memory_usage_t* memory_usage) { + return memory_usage->mem_table_total; +} + +uint64_t rocksdb_approximate_memory_usage_get_mem_table_unflushed( + rocksdb_memory_usage_t* memory_usage) { + return memory_usage->mem_table_unflushed; +} + +uint64_t rocksdb_approximate_memory_usage_get_mem_table_readers_total( + rocksdb_memory_usage_t* memory_usage) { + return memory_usage->mem_table_readers_total; +} + +uint64_t rocksdb_approximate_memory_usage_get_cache_total( + rocksdb_memory_usage_t* memory_usage) { + return memory_usage->cache_total; +} + +// deletes container with memory usage estimates +void rocksdb_approximate_memory_usage_destroy(rocksdb_memory_usage_t* usage) { + delete usage; +} + +} // end extern "C" + +#endif // !ROCKSDB_LITE |