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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.
// ReportingService specialized to report UMA metrics.
#include "components/metrics/metrics_reporting_service.h"
#include "base/bind.h"
#include "base/callback.h"
#include "base/metrics/histogram_macros.h"
#include "components/metrics/metrics_pref_names.h"
#include "components/metrics/persisted_logs_metrics_impl.h"
#include "components/metrics/url_constants.h"
#include "components/prefs/pref_registry_simple.h"
namespace metrics {
namespace {
// If an upload fails, and the transmission was over this byte count, then we
// will discard the log, and not try to retransmit it. We also don't persist
// the log to the prefs for transmission during the next chrome session if this
// limit is exceeded.
const size_t kUploadLogAvoidRetransmitSize = 100 * 1024;
} // namespace
// static
void MetricsReportingService::RegisterPrefs(PrefRegistrySimple* registry) {
ReportingService::RegisterPrefs(registry);
MetricsLogStore::RegisterPrefs(registry);
}
MetricsReportingService::MetricsReportingService(MetricsServiceClient* client,
PrefService* local_state)
: ReportingService(client, local_state, kUploadLogAvoidRetransmitSize),
metrics_log_store_(local_state, kUploadLogAvoidRetransmitSize) {}
MetricsReportingService::~MetricsReportingService() {}
LogStore* MetricsReportingService::log_store() {
return &metrics_log_store_;
}
std::string MetricsReportingService::GetUploadUrl() const {
return client()->GetMetricsServerUrl();
}
base::StringPiece MetricsReportingService::upload_mime_type() const {
return kDefaultMetricsMimeType;
}
MetricsLogUploader::MetricServiceType MetricsReportingService::service_type()
const {
return MetricsLogUploader::UMA;
}
void MetricsReportingService::LogActualUploadInterval(
base::TimeDelta interval) {
UMA_HISTOGRAM_CUSTOM_COUNTS("UMA.ActualLogUploadInterval",
interval.InMinutes(), 1,
base::TimeDelta::FromHours(12).InMinutes(), 50);
}
void MetricsReportingService::LogCellularConstraint(bool upload_canceled) {
UMA_HISTOGRAM_BOOLEAN("UMA.LogUpload.Canceled.CellularConstraint",
upload_canceled);
}
void MetricsReportingService::LogResponseOrErrorCode(int response_code,
int error_code) {
UMA_HISTOGRAM_SPARSE_SLOWLY("UMA.LogUpload.ResponseOrErrorCode",
response_code >= 0 ? response_code : error_code);
}
void MetricsReportingService::LogSuccess(size_t log_size) {
UMA_HISTOGRAM_COUNTS_10000("UMA.LogSize.OnSuccess", log_size / 1024);
}
void MetricsReportingService::LogLargeRejection(size_t log_size) {
UMA_HISTOGRAM_COUNTS_1M("UMA.Large Rejected Log was Discarded",
static_cast<int>(log_size));
}
} // namespace metrics
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