mirror of https://github.com/facebook/rocksdb.git
68 lines
2.6 KiB
C++
68 lines
2.6 KiB
C++
// Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
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// This source code is licensed under both the GPLv2 (found in the
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// COPYING file in the root directory) and Apache 2.0 License
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// (found in the LICENSE.Apache file in the root directory).
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#include "rocksdb/utilities/cache_dump_load.h"
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#include "file/writable_file_writer.h"
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#include "port/lang.h"
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#include "rocksdb/env.h"
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#include "rocksdb/file_system.h"
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#include "table/format.h"
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#include "util/crc32c.h"
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#include "utilities/cache_dump_load_impl.h"
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namespace ROCKSDB_NAMESPACE {
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IOStatus NewToFileCacheDumpWriter(const std::shared_ptr<FileSystem>& fs,
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const FileOptions& file_opts,
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const std::string& file_name,
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std::unique_ptr<CacheDumpWriter>* writer) {
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std::unique_ptr<WritableFileWriter> file_writer;
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IOStatus io_s = WritableFileWriter::Create(fs, file_name, file_opts,
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&file_writer, nullptr);
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if (!io_s.ok()) {
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return io_s;
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}
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writer->reset(new ToFileCacheDumpWriter(std::move(file_writer)));
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return io_s;
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}
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IOStatus NewFromFileCacheDumpReader(const std::shared_ptr<FileSystem>& fs,
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const FileOptions& file_opts,
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const std::string& file_name,
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std::unique_ptr<CacheDumpReader>* reader) {
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std::unique_ptr<RandomAccessFileReader> file_reader;
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IOStatus io_s = RandomAccessFileReader::Create(fs, file_name, file_opts,
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&file_reader, nullptr);
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if (!io_s.ok()) {
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return io_s;
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}
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reader->reset(new FromFileCacheDumpReader(std::move(file_reader)));
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return io_s;
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}
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Status NewDefaultCacheDumper(const CacheDumpOptions& dump_options,
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const std::shared_ptr<Cache>& cache,
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std::unique_ptr<CacheDumpWriter>&& writer,
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std::unique_ptr<CacheDumper>* cache_dumper) {
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cache_dumper->reset(
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new CacheDumperImpl(dump_options, cache, std::move(writer)));
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return Status::OK();
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}
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Status NewDefaultCacheDumpedLoader(
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const CacheDumpOptions& dump_options,
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const BlockBasedTableOptions& toptions,
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const std::shared_ptr<SecondaryCache>& secondary_cache,
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std::unique_ptr<CacheDumpReader>&& reader,
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std::unique_ptr<CacheDumpedLoader>* cache_dump_loader) {
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cache_dump_loader->reset(new CacheDumpedLoaderImpl(
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dump_options, toptions, secondary_cache, std::move(reader)));
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return Status::OK();
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}
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} // namespace ROCKSDB_NAMESPACE
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