rocksdb/db/blob/blob_file_meta.cc

63 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).
#include "db/blob/blob_file_meta.h"
#include <ostream>
#include <sstream>
#include "db/blob/blob_log_format.h"
#include "rocksdb/slice.h"
namespace ROCKSDB_NAMESPACE {
uint64_t SharedBlobFileMetaData::GetBlobFileSize() const {
return BlobLogHeader::kSize + total_blob_bytes_ + BlobLogFooter::kSize;
}
std::string SharedBlobFileMetaData::DebugString() const {
std::ostringstream oss;
oss << (*this);
return oss.str();
}
std::ostream& operator<<(std::ostream& os,
const SharedBlobFileMetaData& shared_meta) {
os << "blob_file_number: " << shared_meta.GetBlobFileNumber()
<< " total_blob_count: " << shared_meta.GetTotalBlobCount()
<< " total_blob_bytes: " << shared_meta.GetTotalBlobBytes()
<< " checksum_method: " << shared_meta.GetChecksumMethod()
<< " checksum_value: "
<< Slice(shared_meta.GetChecksumValue()).ToString(/* hex */ true);
return os;
}
std::string BlobFileMetaData::DebugString() const {
std::ostringstream oss;
oss << (*this);
return oss.str();
}
std::ostream& operator<<(std::ostream& os, const BlobFileMetaData& meta) {
const auto& shared_meta = meta.GetSharedMeta();
assert(shared_meta);
os << (*shared_meta);
os << " linked_ssts: {";
for (uint64_t file_number : meta.GetLinkedSsts()) {
os << ' ' << file_number;
}
os << " }";
os << " garbage_blob_count: " << meta.GetGarbageBlobCount()
<< " garbage_blob_bytes: " << meta.GetGarbageBlobBytes();
return os;
}
} // namespace ROCKSDB_NAMESPACE