rocksdb/db/blob/blob_file_garbage.h
Levi Tamasi c15e85bdcb Move BlobDB related files under db/ to db/blob/ (#6519)
Summary: Pull Request resolved: https://github.com/facebook/rocksdb/pull/6519

Test Plan:
```
make all
make check
```

Differential Revision: D20400691

Pulled By: ltamasi

fbshipit-source-id: 20ef911cf1c2c92c7f71ef0b493f9be64f2eef94
2020-03-12 11:00:56 -07:00

58 lines
1.7 KiB
C++

// 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).
#pragma once
#include <cstdint>
#include <iosfwd>
#include <string>
#include "db/blob/blob_constants.h"
#include "rocksdb/rocksdb_namespace.h"
namespace ROCKSDB_NAMESPACE {
class JSONWriter;
class Slice;
class Status;
class BlobFileGarbage {
public:
BlobFileGarbage() = default;
BlobFileGarbage(uint64_t blob_file_number, uint64_t garbage_blob_count,
uint64_t garbage_blob_bytes)
: blob_file_number_(blob_file_number),
garbage_blob_count_(garbage_blob_count),
garbage_blob_bytes_(garbage_blob_bytes) {}
uint64_t GetBlobFileNumber() const { return blob_file_number_; }
uint64_t GetGarbageBlobCount() const { return garbage_blob_count_; }
uint64_t GetGarbageBlobBytes() const { return garbage_blob_bytes_; }
void EncodeTo(std::string* output) const;
Status DecodeFrom(Slice* input);
std::string DebugString() const;
std::string DebugJSON() const;
private:
enum CustomFieldTags : uint32_t;
uint64_t blob_file_number_ = kInvalidBlobFileNumber;
uint64_t garbage_blob_count_ = 0;
uint64_t garbage_blob_bytes_ = 0;
};
bool operator==(const BlobFileGarbage& lhs, const BlobFileGarbage& rhs);
bool operator!=(const BlobFileGarbage& lhs, const BlobFileGarbage& rhs);
std::ostream& operator<<(std::ostream& os,
const BlobFileGarbage& blob_file_garbage);
JSONWriter& operator<<(JSONWriter& jw,
const BlobFileGarbage& blob_file_garbage);
} // namespace ROCKSDB_NAMESPACE