chromium/chrome/browser/predictors/resource_prefetch_predictor_tables.cc

// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "chrome/browser/predictors/resource_prefetch_predictor_tables.h"

#include <utility>

#include "base/functional/bind.h"
#include "base/metrics/histogram_macros.h"
#include "base/ranges/algorithm.h"
#include "base/strings/stringprintf.h"
#include "base/task/sequenced_task_runner.h"
#include "base/trace_event/trace_event.h"
#include "chrome/browser/predictors/lcp_critical_path_predictor/lcp_critical_path_predictor_util.h"
#include "chrome/browser/predictors/predictors_features.h"
#include "sql/statement.h"
#include "sql/transaction.h"

namespace {

const char kMetadataTableName[] = …;
const char kHostRedirectTableName[] = …;
const char kOriginTableName[] = …;

const char kCreateGlobalMetadataStatementTemplate[] = …;
const char kCreateProtoTableStatementTemplate[] = …;

}  // namespace

namespace predictors {

// static
void ResourcePrefetchPredictorTables::TrimRedirects(
    RedirectData* data,
    size_t max_consecutive_misses) { … }

// static
void ResourcePrefetchPredictorTables::TrimOrigins(
    OriginData* data,
    size_t max_consecutive_misses) { … }

// static
void ResourcePrefetchPredictorTables::SortOrigins(
    OriginData* data,
    const std::string& main_frame_origin) { … }

ResourcePrefetchPredictorTables::ResourcePrefetchPredictorTables(
    scoped_refptr<base::SequencedTaskRunner> db_task_runner)
    : … { … }

ResourcePrefetchPredictorTables::~ResourcePrefetchPredictorTables() = default;

// static
float ResourcePrefetchPredictorTables::ComputeOriginScore(
    const OriginStat& origin) { … }

sqlite_proto::KeyValueTable<RedirectData>*
ResourcePrefetchPredictorTables::host_redirect_table() { … }
sqlite_proto::KeyValueTable<OriginData>*
ResourcePrefetchPredictorTables::origin_table() { … }

// static
bool ResourcePrefetchPredictorTables::DropTablesIfOutdated(sql::Database* db) { … }

// static
int ResourcePrefetchPredictorTables::GetDatabaseVersion(sql::Database* db) { … }

// static
bool ResourcePrefetchPredictorTables::SetDatabaseVersion(sql::Database* db,
                                                         int version) { … }

void ResourcePrefetchPredictorTables::CreateOrClearTablesIfNecessary() { … }

void ResourcePrefetchPredictorTables::LogDatabaseStats() { … }

}  // namespace predictors