chromium/content/browser/indexed_db/indexed_db_tombstone_sweeper.cc

// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "content/browser/indexed_db/indexed_db_tombstone_sweeper.h"

#include <string>
#include <string_view>

#include "base/not_fatal_until.h"
#include "base/rand_util.h"
#include "base/strings/string_number_conversions.h"
#include "base/task/sequenced_task_runner.h"
#include "components/services/storage/indexed_db/scopes/varint_coding.h"
#include "content/browser/indexed_db/indexed_db_backing_store.h"
#include "third_party/blink/public/common/indexeddb/indexeddb_key.h"
#include "third_party/blink/public/common/indexeddb/indexeddb_metadata.h"
#include "third_party/leveldatabase/env_chromium.h"
#include "third_party/leveldatabase/src/include/leveldb/db.h"
#include "third_party/leveldatabase/src/include/leveldb/iterator.h"

namespace content {
namespace {

IndexedDBDatabaseMetadata;
IndexedDBIndexMetadata;
IndexedDBKey;
IndexedDBObjectStoreMetadata;

}  // namespace

template <typename T>
WrappingIterator<T>::WrappingIterator() { … }

template <typename T>
WrappingIterator<T>::WrappingIterator(const T* container,
                                      size_t start_position) { … }

template <typename T>
WrappingIterator<T>::~WrappingIterator() { … }

template <typename T>
void WrappingIterator<T>::Next() { … }

template <typename T>
const typename T::value_type& WrappingIterator<T>::Value() const { … }

IndexedDBTombstoneSweeper::IndexedDBTombstoneSweeper(int round_iterations,
                                                     int max_iterations,
                                                     leveldb::DB* database)
    : … { … }

IndexedDBTombstoneSweeper::~IndexedDBTombstoneSweeper() { … }

bool IndexedDBTombstoneSweeper::RequiresMetadata() const { … }

void IndexedDBTombstoneSweeper::SetMetadata(
    const std::vector<IndexedDBDatabaseMetadata>* metadata) { … }

IndexedDBTombstoneSweeper::SweepState::SweepState() = default;

IndexedDBTombstoneSweeper::SweepState::~SweepState() = default;

bool IndexedDBTombstoneSweeper::RunRound() { … }

leveldb::Status IndexedDBTombstoneSweeper::FlushDeletions() { … }

bool IndexedDBTombstoneSweeper::ShouldContinueIteration(
    IndexedDBTombstoneSweeper::Status* sweep_status,
    leveldb::Status* leveldb_status,
    int* round_iterations) { … }

IndexedDBTombstoneSweeper::Status IndexedDBTombstoneSweeper::DoSweep(
    leveldb::Status* leveldb_status) { … }

bool IndexedDBTombstoneSweeper::IterateIndex(
    int64_t database_id,
    int64_t object_store_id,
    const IndexedDBIndexMetadata& index,
    IndexedDBTombstoneSweeper::Status* sweep_status,
    leveldb::Status* leveldb_status,
    int* round_iterations) { … }

}  // namespace content