blob: cbfb8557d0d47f075522c2ad1b47201d14e82852 [file] [log] [blame]
// 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/merge_operator.h"
#include "rocksdb/options.h"
#include "rocksdb/status.h"
#include "rocksdb/write_batch.h"
#include "rocksdb/memtablerep.h"
#include "rocksdb/universal_compaction.h"
#include "rocksdb/statistics.h"
#include "rocksdb/slice_transform.h"
#include "rocksdb/table.h"
#include "rocksdb/rate_limiter.h"
#include "rocksdb/utilities/backupable_db.h"
#include "rocksdb/utilities/write_batch_with_index.h"
#include "utilities/merge_operators.h"
#include "rocksdb/utilities/transaction.h"
#include "rocksdb/utilities/transaction_db.h"
#include "rocksdb/utilities/optimistic_transaction_db.h"
#include "rocksdb/utilities/checkpoint.h"
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::RestoreOptions;
using rocksdb::CompactRangeOptions;
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 std::shared_ptr;
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;
Slice upper_bound; // stack variable to set pointer to in ReadOptions
};
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_filelock_t { FileLock* rep; };
struct rocksdb_logger_t { shared_ptr<Logger> rep; };
struct rocksdb_cache_t { 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 { RateLimiter* 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_;
virtual ~rocksdb_compactionfilter_t() {
(*destructor_)(state_);
}
virtual 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;
}
virtual const char* Name() const override { return (*name_)(state_); }
virtual 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*);
virtual ~rocksdb_compactionfilterfactory_t() { (*destructor_)(state_); }
virtual 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);
}
virtual 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*);
virtual ~rocksdb_comparator_t() {
(*destructor_)(state_);
}
virtual int Compare(const Slice& a, const Slice& b) const override {
return (*compare_)(state_, a.data(), a.size(), b.data(), b.size());
}
virtual const char* Name() const override { return (*name_)(state_); }
// No-ops since the C binding does not support key shortening methods.
virtual void FindShortestSeparator(std::string*,
const Slice&) const override {}
virtual 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);
virtual ~rocksdb_filterpolicy_t() {
(*destructor_)(state_);
}
virtual const char* Name() const override { return (*name_)(state_); }
virtual 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);
}
}
virtual 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);
virtual ~rocksdb_mergeoperator_t() {
(*destructor_)(state_);
}
virtual const char* Name() const override { return (*name_)(state_); }
virtual 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;
}
virtual 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);
virtual ~rocksdb_slicetransform_t() {
(*destructor_)(state_);
}
virtual const char* Name() const override { return (*name_)(state_); }
virtual Slice Transform(const Slice& src) const override {
size_t len;
char* dst = (*transform_)(state_, src.data(), src.size(), &len);
return Slice(dst, len);
}
virtual bool InDomain(const Slice& src) const override {
return (*in_domain_)(state_, src.data(), src.size());
}
virtual 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_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_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_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_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));
}
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)) {
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);
virtual void Put(const Slice& key, const Slice& value) override {
(*put_)(state_, key.data(), key.size(), value.data(), value.size());
}
virtual void Delete(const Slice& key) override {
(*deleted_)(state_, key.data(), key.size());
}
};
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)) {
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);
virtual void Put(const Slice& key, const Slice& value) override {
(*put_)(state_, key.data(), key.size(), value.data(), value.size());
}
virtual void Delete(const Slice& key) override {
(*deleted_)(state_, key.data(), key.size());
}
};
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_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_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_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));
}
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_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_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_bytes_per_sync(
rocksdb_options_t* opt, uint64_t v) {
opt->rep.bytes_per_sync = 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_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) {
opt->