be219089ad
Summary: Added BlobMetaData to ColumnFamilyMetaData and LiveBlobMetaData and DB API GetLiveBlobMetaData to retrieve it. First pass at struct. More tests and maybe fields to come... Pull Request resolved: https://github.com/facebook/rocksdb/pull/8273 Reviewed By: ltamasi Differential Revision: D29102400 Pulled By: mrambacher fbshipit-source-id: 8a2383a4446328be6b91dced9841fdd3dfc80b73
63 lines
1.7 KiB
C++
63 lines
1.7 KiB
C++
// Copyright (c) 2011-present, Facebook, Inc. 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 "db/blob/blob_file_meta.h"
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#include <ostream>
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#include <sstream>
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#include "db/blob/blob_log_format.h"
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#include "rocksdb/slice.h"
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namespace ROCKSDB_NAMESPACE {
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uint64_t SharedBlobFileMetaData::GetBlobFileSize() const {
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return BlobLogHeader::kSize + total_blob_bytes_ + BlobLogFooter::kSize;
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}
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std::string SharedBlobFileMetaData::DebugString() const {
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std::ostringstream oss;
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oss << (*this);
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return oss.str();
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}
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std::ostream& operator<<(std::ostream& os,
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const SharedBlobFileMetaData& shared_meta) {
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os << "blob_file_number: " << shared_meta.GetBlobFileNumber()
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<< " total_blob_count: " << shared_meta.GetTotalBlobCount()
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<< " total_blob_bytes: " << shared_meta.GetTotalBlobBytes()
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<< " checksum_method: " << shared_meta.GetChecksumMethod()
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<< " checksum_value: "
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<< Slice(shared_meta.GetChecksumValue()).ToString(/* hex */ true);
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return os;
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}
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std::string BlobFileMetaData::DebugString() const {
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std::ostringstream oss;
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oss << (*this);
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return oss.str();
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}
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std::ostream& operator<<(std::ostream& os, const BlobFileMetaData& meta) {
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const auto& shared_meta = meta.GetSharedMeta();
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assert(shared_meta);
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os << (*shared_meta);
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os << " linked_ssts: {";
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for (uint64_t file_number : meta.GetLinkedSsts()) {
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os << ' ' << file_number;
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}
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os << " }";
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os << " garbage_blob_count: " << meta.GetGarbageBlobCount()
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<< " garbage_blob_bytes: " << meta.GetGarbageBlobBytes();
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return os;
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}
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} // namespace ROCKSDB_NAMESPACE
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