65 lines
2.1 KiB
C
65 lines
2.1 KiB
C
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// Copyright 2017 The Chromium Authors
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef COMPONENTS_METRICS_METRICS_ROTATION_SCHEDULER_H_
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#define COMPONENTS_METRICS_METRICS_ROTATION_SCHEDULER_H_
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#include "base/functional/callback.h"
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#include "base/time/time.h"
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#include "components/metrics/metrics_scheduler.h"
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namespace metrics {
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// Scheduler task to drive a MetricsService object's uploading.
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class MetricsRotationScheduler : public MetricsScheduler {
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public:
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// Creates MetricsRotationScheduler object with the given |rotation_callback|
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// callback to call when log rotation should happen and |interval_callback|
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// to determine the interval between rotations in steady state.
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// |rotation_callback| must arrange to call RotationFinished on completion.
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MetricsRotationScheduler(
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const base::RepeatingClosure& rotation_callback,
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const base::RepeatingCallback<base::TimeDelta(void)>& interval_callback,
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bool fast_startup_for_testing);
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MetricsRotationScheduler(const MetricsRotationScheduler&) = delete;
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MetricsRotationScheduler& operator=(const MetricsRotationScheduler&) = delete;
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~MetricsRotationScheduler() override;
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// Callback from MetricsService when the startup init task has completed.
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void InitTaskComplete();
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// Callback from MetricsService when a triggered rotation finishes.
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void RotationFinished();
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protected:
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enum InitSequence {
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TIMER_FIRED_FIRST,
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INIT_TASK_COMPLETED_FIRST,
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INIT_SEQUENCE_ENUM_SIZE,
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};
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private:
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// Record the init sequence order histogram.
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virtual void LogMetricsInitSequence(InitSequence sequence);
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// MetricsScheduler:
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void TriggerTask() override;
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// Whether the InitTaskComplete() callback has been called.
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bool init_task_complete_;
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// Whether the initial scheduled upload timer has fired before the init task
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// has been completed.
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bool waiting_for_init_task_complete_;
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// Callback function used to get the standard upload time.
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base::RepeatingCallback<base::TimeDelta(void)> upload_interval_callback_;
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};
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} // namespace metrics
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#endif // COMPONENTS_METRICS_METRICS_ROTATION_SCHEDULER_H_
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