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// Copyright (c) 2011-present, Facebook, Inc. All rights reserved.
// This source code is licensed under both the GPLv2 (found in the
// COPYING file in the root directory) and Apache 2.0 License
// (found in the LICENSE.Apache file in the root directory).
#ifndef ROCKSDB_LITE
#include "table/cuckoo/cuckoo_table_factory.h"
#include "db/dbformat.h"
#include "options/configurable_helper.h"
#include "rocksdb/utilities/options_type.h"
#include "table/cuckoo/cuckoo_table_builder.h"
#include "table/cuckoo/cuckoo_table_reader.h"
namespace ROCKSDB_NAMESPACE {
Status CuckooTableFactory::NewTableReader(
const ReadOptions& /*ro*/, const TableReaderOptions& table_reader_options,
std::unique_ptr<RandomAccessFileReader>&& file, uint64_t file_size,
std::unique_ptr<TableReader>* table,
bool /*prefetch_index_and_filter_in_cache*/) const {
std::unique_ptr<CuckooTableReader> new_reader(new CuckooTableReader(
table_reader_options.ioptions, std::move(file), file_size,
table_reader_options.internal_comparator.user_comparator(), nullptr));
Status s = new_reader->status();
if (s.ok()) {
*table = std::move(new_reader);
}
return s;
}
TableBuilder* CuckooTableFactory::NewTableBuilder(
const TableBuilderOptions& table_builder_options,
WritableFileWriter* file) const {
// TODO: change builder to take the option struct
return new CuckooTableBuilder(
file, table_options_.hash_table_ratio, 64,
table_options_.max_search_depth,
table_builder_options.internal_comparator.user_comparator(),
table_options_.cuckoo_block_size, table_options_.use_module_hash,
table_options_.identity_as_first_hash, nullptr /* get_slice_hash */,
table_builder_options.column_family_id,
table_builder_options.column_family_name, table_builder_options.db_id,
table_builder_options.db_session_id, table_builder_options.cur_file_num);
}
std::string CuckooTableFactory::GetPrintableOptions() const {
std::string ret;
ret.reserve(2000);
const int kBufferSize = 200;
char buffer[kBufferSize];
snprintf(buffer, kBufferSize, " hash_table_ratio: %lf\n",
table_options_.hash_table_ratio);
ret.append(buffer);
snprintf(buffer, kBufferSize, " max_search_depth: %u\n",
table_options_.max_search_depth);
ret.append(buffer);
snprintf(buffer, kBufferSize, " cuckoo_block_size: %u\n",
table_options_.cuckoo_block_size);
ret.append(buffer);
snprintf(buffer, kBufferSize, " identity_as_first_hash: %d\n",
table_options_.identity_as_first_hash);
ret.append(buffer);
return ret;
}
static std::unordered_map<std::string, OptionTypeInfo> cuckoo_table_type_info =
{
#ifndef ROCKSDB_LITE
{"hash_table_ratio",
{offsetof(struct CuckooTableOptions, hash_table_ratio),
OptionType::kDouble, OptionVerificationType::kNormal,
OptionTypeFlags::kNone}},
{"max_search_depth",
{offsetof(struct CuckooTableOptions, max_search_depth),
OptionType::kUInt32T, OptionVerificationType::kNormal,
OptionTypeFlags::kNone}},
{"cuckoo_block_size",
{offsetof(struct CuckooTableOptions, cuckoo_block_size),
OptionType::kUInt32T, OptionVerificationType::kNormal,
OptionTypeFlags::kNone}},
{"identity_as_first_hash",
{offsetof(struct CuckooTableOptions, identity_as_first_hash),
OptionType::kBoolean, OptionVerificationType::kNormal,
OptionTypeFlags::kNone}},
{"use_module_hash",
{offsetof(struct CuckooTableOptions, use_module_hash),
OptionType::kBoolean, OptionVerificationType::kNormal,
OptionTypeFlags::kNone}},
#endif // ROCKSDB_LITE
};
CuckooTableFactory::CuckooTableFactory(const CuckooTableOptions& table_options)
: table_options_(table_options) {
RegisterOptions(&table_options_, &cuckoo_table_type_info);
}
TableFactory* NewCuckooTableFactory(const CuckooTableOptions& table_options) {
return new CuckooTableFactory(table_options);
}
} // namespace ROCKSDB_NAMESPACE
#endif // ROCKSDB_LITE
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