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// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CONTENT_BROWSER_AGGREGATION_SERVICE_AGGREGATION_SERVICE_IMPL_H_
#define CONTENT_BROWSER_AGGREGATION_SERVICE_AGGREGATION_SERVICE_IMPL_H_
#include <memory>
#include <optional>
#include <set>
#include <vector>
#include "base/functional/callback_forward.h"
#include "base/memory/scoped_refptr.h"
#include "base/memory/weak_ptr.h"
#include "base/observer_list.h"
#include "base/threading/sequence_bound.h"
#include "content/browser/aggregation_service/aggregatable_report_assembler.h"
#include "content/browser/aggregation_service/aggregatable_report_scheduler.h"
#include "content/browser/aggregation_service/aggregatable_report_sender.h"
#include "content/browser/aggregation_service/aggregation_service.h"
#include "content/browser/aggregation_service/aggregation_service_observer.h"
#include "content/browser/aggregation_service/aggregation_service_storage.h"
#include "content/browser/aggregation_service/aggregation_service_storage_context.h"
#include "content/common/content_export.h"
#include "content/public/browser/storage_partition.h"
class GURL;
namespace base {
class Clock;
class ElapsedTimer;
class FilePath;
class UpdateableSequencedTaskRunner;
} // namespace base
namespace url {
class Origin;
} // namespace url
namespace content {
struct PublicKeyset;
class AggregatableReport;
class AggregatableReportRequest;
class AggregationServiceStorage;
class AggregatableReportScheduler;
class StoragePartitionImpl;
// UI thread class that manages the lifetime of the underlying storage. Owned by
// the StoragePartitionImpl. Lifetime is bound to lifetime of the
// StoragePartitionImpl.
class CONTENT_EXPORT AggregationServiceImpl
: public AggregationService,
public AggregationServiceStorageContext {
public:
static std::unique_ptr<AggregationServiceImpl> CreateForTesting(
bool run_in_memory,
const base::FilePath& user_data_directory,
const base::Clock* clock,
std::unique_ptr<AggregatableReportScheduler> scheduler,
std::unique_ptr<AggregatableReportAssembler> assembler,
std::unique_ptr<AggregatableReportSender> sender);
AggregationServiceImpl(bool run_in_memory,
const base::FilePath& user_data_directory,
StoragePartitionImpl* storage_partition);
AggregationServiceImpl(const AggregationServiceImpl& other) = delete;
AggregationServiceImpl& operator=(const AggregationServiceImpl& other) =
delete;
AggregationServiceImpl(AggregationServiceImpl&& other) = delete;
AggregationServiceImpl& operator=(AggregationServiceImpl&& other) = delete;
~AggregationServiceImpl() override;
// AggregationService:
void AssembleReport(AggregatableReportRequest report_request,
AssemblyCallback callback) override;
void ClearData(base::Time delete_begin,
base::Time delete_end,
StoragePartition::StorageKeyMatcherFunction filter,
base::OnceClosure done) override;
void ScheduleReport(AggregatableReportRequest report_request) override;
void AssembleAndSendReport(AggregatableReportRequest report_request) override;
void GetPendingReportRequestsForWebUI(
base::OnceCallback<
void(std::vector<AggregationServiceStorage::RequestAndId>)> callback)
override;
void SendReportsForWebUI(
const std::vector<AggregationServiceStorage::RequestId>& ids,
base::OnceClosure reports_sent_callback) override;
void GetPendingReportReportingOrigins(
base::OnceCallback<void(std::set<url::Origin>)> callback) override;
void AddObserver(AggregationServiceObserver* observer) override;
void RemoveObserver(AggregationServiceObserver* observer) override;
// AggregationServiceStorageContext:
const base::SequenceBound<AggregationServiceStorage>& GetStorage() override;
// Sets the public keys for `url` in storage to allow testing without network.
void SetPublicKeysForTesting(const GURL& url, const PublicKeyset& keyset);
private:
// Allows access to `OnScheduledReportTimeReached()`.
friend class AggregationServiceImplTest;
AggregationServiceImpl(bool run_in_memory,
const base::FilePath& user_data_directory,
const base::Clock* clock,
std::unique_ptr<AggregatableReportScheduler> scheduler,
std::unique_ptr<AggregatableReportAssembler> assembler,
std::unique_ptr<AggregatableReportSender> sender);
void OnScheduledReportTimeReached(
std::vector<AggregationServiceStorage::RequestAndId> requests_and_ids);
void AssembleAndSendReports(
std::vector<AggregationServiceStorage::RequestAndId> requests_and_ids,
base::RepeatingClosure done);
// `request_id` is `std::nullopt` iff `report_request` was not
// stored/scheduled.
void AssembleAndSendReportImpl(
AggregatableReportRequest report_request,
std::optional<AggregationServiceStorage::RequestId> request_id,
base::OnceClosure done);
void OnReportAssemblyComplete(
base::OnceClosure done,
std::optional<AggregationServiceStorage::RequestId> request_id,
GURL reporting_url,
base::ElapsedTimer elapsed_timer,
AggregatableReportRequest report_request,
std::optional<AggregatableReport> report,
AggregatableReportAssembler::AssemblyStatus status);
void OnReportSendingComplete(
base::OnceClosure done,
AggregatableReportRequest report_request,
std::optional<AggregationServiceStorage::RequestId> request_id,
AggregatableReport report,
base::ElapsedTimer elapsed_timer,
AggregatableReportSender::RequestStatus status);
void OnUserVisibleTaskStarted();
void OnUserVisibleTaskComplete();
void OnClearDataComplete();
void OnGetRequestsToSendFromWebUI(
base::OnceClosure reports_sent_callback,
std::vector<AggregationServiceStorage::RequestAndId> requests_and_ids);
void NotifyReportHandled(
const AggregatableReportRequest& request,
std::optional<AggregationServiceStorage::RequestId> request_id,
const std::optional<AggregatableReport>& report,
AggregationServiceObserver::ReportStatus status);
void NotifyRequestStorageModified();
// The task runner for all aggregation service storage operations. Updateable
// to allow for priority to be temporarily increased to `USER_VISIBLE` when a
// clear data task is queued or running. Otherwise `BEST_EFFORT` is used.
scoped_refptr<base::UpdateableSequencedTaskRunner> storage_task_runner_;
// How many user visible storage tasks are queued or running currently, i.e.
// have been posted but the reply has not been run.
int num_pending_user_visible_tasks_ = 0;
base::SequenceBound<AggregationServiceStorage> storage_;
std::unique_ptr<AggregatableReportScheduler> scheduler_;
std::unique_ptr<AggregatableReportAssembler> assembler_;
std::unique_ptr<AggregatableReportSender> sender_;
base::ObserverList<AggregationServiceObserver> observers_;
base::WeakPtrFactory<AggregationServiceImpl> weak_factory_{this};
};
} // namespace content
#endif // CONTENT_BROWSER_AGGREGATION_SERVICE_AGGREGATION_SERVICE_IMPL_H_
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