diff options
Diffstat (limited to 'src/rocksdb/table/cuckoo_table_factory.cc')
-rw-r--r-- | src/rocksdb/table/cuckoo_table_factory.cc | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/src/rocksdb/table/cuckoo_table_factory.cc b/src/rocksdb/table/cuckoo_table_factory.cc new file mode 100644 index 00000000..74d18d51 --- /dev/null +++ b/src/rocksdb/table/cuckoo_table_factory.cc @@ -0,0 +1,72 @@ +// 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_table_factory.h" + +#include "db/dbformat.h" +#include "table/cuckoo_table_builder.h" +#include "table/cuckoo_table_reader.h" + +namespace rocksdb { + +Status CuckooTableFactory::NewTableReader( + 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, uint32_t column_family_id, + WritableFileWriter* file) const { + // Ignore the skipFIlters flag. Does not apply to this file format + // + + // 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 */, + column_family_id, table_builder_options.column_family_name); +} + +std::string CuckooTableFactory::GetPrintableTableOptions() 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; +} + +TableFactory* NewCuckooTableFactory(const CuckooTableOptions& table_options) { + return new CuckooTableFactory(table_options); +} + +} // namespace rocksdb +#endif // ROCKSDB_LITE |