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// Copyright 2017 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COMPONENTS_METRICS_METRICS_UPLOAD_SCHEDULER_H_
#define COMPONENTS_METRICS_METRICS_UPLOAD_SCHEDULER_H_
#include "base/callback.h"
#include "base/feature_list.h"
#include "base/macros.h"
#include "base/time/time.h"
#include "components/metrics/metrics_scheduler.h"
namespace metrics {
// Scheduler task to drive a ReportingService object's uploading.
class MetricsUploadScheduler : public MetricsScheduler {
public:
// Creates MetricsUploadScheduler object with the given |upload_callback|
// callback to call when uploading should happen. The callback must
// arrange to call either UploadFinished or UploadCancelled on completion.
MetricsUploadScheduler(const base::RepeatingClosure& upload_callback,
bool fast_startup_for_testing);
~MetricsUploadScheduler() override;
// Callback from MetricsService when a triggered upload finishes.
void UploadFinished(bool server_is_healthy);
// Callback from MetricsService when an upload is cancelled.
// Also stops the scheduler.
void StopAndUploadCancelled();
// Callback from MetricsService when an upload is cancelled because it would
// be over the allowed data usage cap.
void UploadOverDataUsageCap();
private:
// Time to wait between uploads on success.
const base::TimeDelta unsent_logs_interval_;
// Initial time to wait between upload retry attempts.
const base::TimeDelta initial_backoff_interval_;
// Time to wait for the next upload attempt if the next one fails.
base::TimeDelta backoff_interval_;
DISALLOW_COPY_AND_ASSIGN(MetricsUploadScheduler);
};
} // namespace metrics
#endif // COMPONENTS_METRICS_METRICS_UPLOAD_SCHEDULER_H_
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