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// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// This file defines a service that sends metrics logs to a server.
#ifndef COMPONENTS_METRICS_METRICS_REPORTING_SERVICE_H_
#define COMPONENTS_METRICS_METRICS_REPORTING_SERVICE_H_
#include <stdint.h>
#include <string>
#include "components/metrics/metrics_log_store.h"
#include "components/metrics/reporting_service.h"
class PrefService;
class PrefRegistrySimple;
namespace metrics {
class MetricsServiceClient;
// MetricsReportingService is concrete implementation of ReportingService for
// UMA logs. It uses a MetricsLogStore as its LogStore, reports to the UMA
// endpoint, and logs some histograms with the UMA prefix.
class MetricsReportingService : public ReportingService {
public:
// Creates a ReportingService with the given |client|, |local_state|, and
// |logs_event_manager_|. Does not take ownership of the parameters; instead
// it stores a weak pointer to each. Caller should ensure that the parameters
// are valid for the lifetime of this class. |logs_event_manager| is used to
// notify observers of log events. Can be set to null if observing the events
// is not necessary.
MetricsReportingService(MetricsServiceClient* client,
PrefService* local_state,
MetricsLogsEventManager* logs_event_manager_);
MetricsReportingService(const MetricsReportingService&) = delete;
MetricsReportingService& operator=(const MetricsReportingService&) = delete;
~MetricsReportingService() override;
MetricsLogStore* metrics_log_store() { return &metrics_log_store_; }
const MetricsLogStore* metrics_log_store() const {
return &metrics_log_store_;
}
// Registers local state prefs used by this class.
static void RegisterPrefs(PrefRegistrySimple* registry);
private:
// ReportingService:
LogStore* log_store() override;
GURL GetUploadUrl() const override;
GURL GetInsecureUploadUrl() const override;
base::StringPiece upload_mime_type() const override;
MetricsLogUploader::MetricServiceType service_type() const override;
void LogActualUploadInterval(base::TimeDelta interval) override;
void LogCellularConstraint(bool upload_canceled) override;
void LogResponseOrErrorCode(int response_code,
int error_code,
bool was_https) override;
void LogSuccessLogSize(size_t log_size) override;
void LogSuccessMetadata(const std::string& staged_log) override;
void LogLargeRejection(size_t log_size) override;
MetricsLogStore metrics_log_store_;
};
} // namespace metrics
#endif // COMPONENTS_METRICS_METRICS_REPORTING_SERVICE_H_
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