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// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_CHROMEOS_REPORTING_USAGE_TELEMETRY_PERIODIC_COLLECTOR_BASE_H_
#define CHROME_BROWSER_CHROMEOS_REPORTING_USAGE_TELEMETRY_PERIODIC_COLLECTOR_BASE_H_
#include <memory>
#include <optional>
#include <string>
#include "base/memory/raw_ptr.h"
#include "base/time/time.h"
#include "components/reporting/metrics/collector_base.h"
#include "components/reporting/metrics/metric_rate_controller.h"
#include "components/reporting/metrics/metric_report_queue.h"
#include "components/reporting/metrics/reporting_settings.h"
#include "components/reporting/metrics/sampler.h"
#include "components/reporting/proto/synced/metric_data.pb.h"
namespace reporting {
// Periodic collector base class implementation that collects and reports usage
// telemetry data originally tracked by the usage observer. Only used by
// standalone components that are meant to be similar to the `PeriodicCollector`
// but only control the collection rate based on the specified policy setting.
// This can also be used to prevent data staleness because usage observers do
// not associate telemetry data with a timestamp today.
class UsageTelemetryPeriodicCollectorBase : public CollectorBase {
public:
UsageTelemetryPeriodicCollectorBase(Sampler* sampler,
MetricReportQueue* metric_report_queue,
ReportingSettings* reporting_settings,
const std::string& rate_setting_path,
base::TimeDelta default_rate,
int rate_unit_to_ms = 1);
UsageTelemetryPeriodicCollectorBase(
const UsageTelemetryPeriodicCollectorBase& other) = delete;
UsageTelemetryPeriodicCollectorBase& operator=(
const UsageTelemetryPeriodicCollectorBase& other) = delete;
~UsageTelemetryPeriodicCollectorBase() override;
private:
// CollectorBase:
void OnMetricDataCollected(bool is_event_driven,
std::optional<MetricData> metric_data) override;
// CollectorBase:
bool CanCollect() const override;
// `MetricReportQueue` used for enqueueing data collected by the sampler.
const raw_ptr<MetricReportQueue> metric_report_queue_;
// Component used to control collection rate based on the policy setting.
const std::unique_ptr<MetricRateController> rate_controller_;
};
} // namespace reporting
#endif // CHROME_BROWSER_CHROMEOS_REPORTING_USAGE_TELEMETRY_PERIODIC_COLLECTOR_BASE_H_
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