fork of https://github.com/oxigraph/rocksdb and https://github.com/facebook/rocksdb for nextgraph and oxigraph
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
102 lines
3.4 KiB
102 lines
3.4 KiB
// 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 "rocksdb/rocksdb_namespace.h"
|
|
|
|
#include <cassert>
|
|
#include <cstdint>
|
|
#include <iosfwd>
|
|
#include <string>
|
|
|
|
namespace ROCKSDB_NAMESPACE {
|
|
|
|
constexpr uint64_t kInvalidBlobFileNumber = 0;
|
|
|
|
class JSONWriter;
|
|
class Slice;
|
|
class Status;
|
|
|
|
class BlobFileState {
|
|
public:
|
|
BlobFileState() = default;
|
|
|
|
BlobFileState(uint64_t blob_file_number, uint64_t total_blob_count,
|
|
uint64_t total_blob_bytes, std::string checksum_method,
|
|
std::string checksum_value)
|
|
: blob_file_number_(blob_file_number),
|
|
total_blob_count_(total_blob_count),
|
|
total_blob_bytes_(total_blob_bytes),
|
|
checksum_method_(std::move(checksum_method)),
|
|
checksum_value_(std::move(checksum_value)) {
|
|
assert(checksum_method_.empty() == checksum_value_.empty());
|
|
}
|
|
|
|
BlobFileState(uint64_t blob_file_number, uint64_t total_blob_count,
|
|
uint64_t total_blob_bytes, uint64_t garbage_blob_count,
|
|
uint64_t garbage_blob_bytes, std::string checksum_method,
|
|
std::string checksum_value)
|
|
: blob_file_number_(blob_file_number),
|
|
total_blob_count_(total_blob_count),
|
|
total_blob_bytes_(total_blob_bytes),
|
|
garbage_blob_count_(garbage_blob_count),
|
|
garbage_blob_bytes_(garbage_blob_bytes),
|
|
checksum_method_(std::move(checksum_method)),
|
|
checksum_value_(std::move(checksum_value)) {
|
|
assert(checksum_method_.empty() == checksum_value_.empty());
|
|
assert(garbage_blob_count_ <= total_blob_count_);
|
|
assert(garbage_blob_bytes_ <= total_blob_bytes_);
|
|
}
|
|
|
|
uint64_t GetBlobFileNumber() const { return blob_file_number_; }
|
|
|
|
uint64_t GetTotalBlobCount() const { return total_blob_count_; }
|
|
uint64_t GetTotalBlobBytes() const { return total_blob_bytes_; }
|
|
|
|
void AddGarbageBlob(uint64_t size) {
|
|
assert(garbage_blob_count_ < total_blob_count_);
|
|
assert(garbage_blob_bytes_ + size <= total_blob_bytes_);
|
|
|
|
++garbage_blob_count_;
|
|
garbage_blob_bytes_ += size;
|
|
}
|
|
|
|
uint64_t GetGarbageBlobCount() const { return garbage_blob_count_; }
|
|
uint64_t GetGarbageBlobBytes() const { return garbage_blob_bytes_; }
|
|
|
|
bool IsObsolete() const {
|
|
assert(garbage_blob_count_ <= total_blob_count_);
|
|
|
|
return !(garbage_blob_count_ < total_blob_count_);
|
|
}
|
|
|
|
const std::string& GetChecksumMethod() const { return checksum_method_; }
|
|
const std::string& GetChecksumValue() const { return checksum_value_; }
|
|
|
|
void EncodeTo(std::string* output) const;
|
|
Status DecodeFrom(Slice* input);
|
|
|
|
std::string DebugString() const;
|
|
std::string DebugJSON() const;
|
|
|
|
private:
|
|
uint64_t blob_file_number_ = kInvalidBlobFileNumber;
|
|
uint64_t total_blob_count_ = 0;
|
|
uint64_t total_blob_bytes_ = 0;
|
|
uint64_t garbage_blob_count_ = 0;
|
|
uint64_t garbage_blob_bytes_ = 0;
|
|
std::string checksum_method_;
|
|
std::string checksum_value_;
|
|
};
|
|
|
|
bool operator==(const BlobFileState& lhs, const BlobFileState& rhs);
|
|
bool operator!=(const BlobFileState& lhs, const BlobFileState& rhs);
|
|
|
|
std::ostream& operator<<(std::ostream& os,
|
|
const BlobFileState& blob_file_state);
|
|
JSONWriter& operator<<(JSONWriter& jw, const BlobFileState& blob_file_state);
|
|
|
|
} // namespace ROCKSDB_NAMESPACE
|
|
|