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// Copyright (c) Facebook, Inc. and its affiliates. 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).
#include "rocksdb/utilities/cache_dump_load.h"
#include "file/writable_file_writer.h"
#include "port/lang.h"
#include "rocksdb/env.h"
#include "rocksdb/file_system.h"
#include "table/format.h"
#include "util/crc32c.h"
#include "utilities/cache_dump_load_impl.h"
namespace ROCKSDB_NAMESPACE {
IOStatus NewToFileCacheDumpWriter(const std::shared_ptr<FileSystem>& fs,
const FileOptions& file_opts,
const std::string& file_name,
std::unique_ptr<CacheDumpWriter>* writer) {
std::unique_ptr<WritableFileWriter> file_writer;
IOStatus io_s = WritableFileWriter::Create(fs, file_name, file_opts,
&file_writer, nullptr);
if (!io_s.ok()) {
return io_s;
}
writer->reset(new ToFileCacheDumpWriter(std::move(file_writer)));
return io_s;
}
IOStatus NewFromFileCacheDumpReader(const std::shared_ptr<FileSystem>& fs,
const FileOptions& file_opts,
const std::string& file_name,
std::unique_ptr<CacheDumpReader>* reader) {
std::unique_ptr<RandomAccessFileReader> file_reader;
IOStatus io_s = RandomAccessFileReader::Create(fs, file_name, file_opts,
&file_reader, nullptr);
if (!io_s.ok()) {
return io_s;
}
reader->reset(new FromFileCacheDumpReader(std::move(file_reader)));
return io_s;
}
Status NewDefaultCacheDumper(const CacheDumpOptions& dump_options,
const std::shared_ptr<Cache>& cache,
std::unique_ptr<CacheDumpWriter>&& writer,
std::unique_ptr<CacheDumper>* cache_dumper) {
cache_dumper->reset(
new CacheDumperImpl(dump_options, cache, std::move(writer)));
return Status::OK();
}
Status NewDefaultCacheDumpedLoader(
const CacheDumpOptions& dump_options,
const BlockBasedTableOptions& toptions,
const std::shared_ptr<SecondaryCache>& secondary_cache,
std::unique_ptr<CacheDumpReader>&& reader,
std::unique_ptr<CacheDumpedLoader>* cache_dump_loader) {
cache_dump_loader->reset(new CacheDumpedLoaderImpl(
dump_options, toptions, secondary_cache, std::move(reader)));
return Status::OK();
}
} // namespace ROCKSDB_NAMESPACE
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