blob: 97efecff42ab525c12ee3c6cfeddcc7c7bc1b7d8 [file] [log] [blame]
// Copyright 2018 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.
#include "components/download/public/common/download_ukm_helper.h"
#include "services/metrics/public/cpp/ukm_builders.h"
namespace download {
namespace {
// Return the "size" of the bucket based on the allowed percent_error.
double CalcBucketIncrement() {
double percent_error = 10;
return log10(1 + percent_error / 100);
}
} // namespace
int DownloadUkmHelper::CalcExponentialBucket(int value) {
return static_cast<int>(floor(log10(value + 1) / CalcBucketIncrement()));
}
int DownloadUkmHelper::CalcNearestKB(int num_bytes) {
return num_bytes / 1024;
}
void DownloadUkmHelper::RecordDownloadStarted(int download_id,
ukm::SourceId source_id,
DownloadContent file_type,
DownloadSource download_source,
DownloadConnectionSecurity state,
bool is_same_host_download) {
ukm::builders::Download_Started(source_id)
.SetDownloadId(download_id)
.SetFileType(static_cast<int>(file_type))
.SetDownloadSource(static_cast<int>(download_source))
.SetDownloadConnectionSecurity(static_cast<int>(state))
.SetIsSameHostDownload(is_same_host_download)
.Record(ukm::UkmRecorder::Get());
}
void DownloadUkmHelper::RecordDownloadInterrupted(
int download_id,
base::Optional<int> change_in_file_size,
DownloadInterruptReason reason,
int resulting_file_size,
const base::TimeDelta& time_since_start,
int64_t bytes_wasted) {
ukm::SourceId source_id = ukm::UkmRecorder::GetNewSourceID();
ukm::builders::Download_Interrupted builder(source_id);
builder.SetDownloadId(download_id)
.SetReason(static_cast<int>(reason))
.SetResultingFileSize(
DownloadUkmHelper::CalcExponentialBucket(resulting_file_size))
.SetTimeSinceStart(time_since_start.InMilliseconds())
.SetBytesWasted(DownloadUkmHelper::CalcNearestKB(bytes_wasted));
if (change_in_file_size.has_value()) {
builder.SetChangeInFileSize(
DownloadUkmHelper::CalcExponentialBucket(change_in_file_size.value()));
}
builder.Record(ukm::UkmRecorder::Get());
}
void DownloadUkmHelper::RecordDownloadResumed(
int download_id,
ResumeMode mode,
const base::TimeDelta& time_since_start) {
ukm::SourceId source_id = ukm::UkmRecorder::GetNewSourceID();
ukm::builders::Download_Resumed(source_id)
.SetDownloadId(download_id)
.SetMode(static_cast<int>(mode))
.SetTimeSinceStart(time_since_start.InMilliseconds())
.Record(ukm::UkmRecorder::Get());
}
void DownloadUkmHelper::RecordDownloadCompleted(
int download_id,
int resulting_file_size,
const base::TimeDelta& time_since_start,
int64_t bytes_wasted) {
ukm::SourceId source_id = ukm::UkmRecorder::GetNewSourceID();
ukm::builders::Download_Completed(source_id)
.SetDownloadId(download_id)
.SetResultingFileSize(
DownloadUkmHelper::CalcExponentialBucket(resulting_file_size))
.SetTimeSinceStart(time_since_start.InMilliseconds())
.SetBytesWasted(DownloadUkmHelper::CalcNearestKB(bytes_wasted))
.Record(ukm::UkmRecorder::Get());
}
} // namespace download