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// Copyright 2015 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/metrics/drive_metrics_provider.h"
#include "base/base_paths.h"
#include "base/check_op.h"
#include "base/files/drive_info.h"
#include "base/files/file_path.h"
#include "base/files/file_util.h"
#include "base/functional/bind.h"
#include "base/functional/callback.h"
#include "base/location.h"
#include "base/metrics/histogram_functions.h"
#include "base/path_service.h"
#include "base/task/task_traits.h"
#include "base/task/thread_pool.h"
#include "base/threading/scoped_blocking_call.h"
namespace metrics {
namespace {
#if BUILDFLAG(IS_WIN) || BUILDFLAG(IS_MAC) || BUILDFLAG(IS_LINUX)
void RecordTriStateMetric(const char* name, std::optional<bool> sample) {
base::UmaHistogramEnumeration(
name, !sample.has_value()
? DriveMetricsProvider::OptionalBoolRecord::kUnknown
: (*sample ? DriveMetricsProvider::OptionalBoolRecord::kTrue
: DriveMetricsProvider::OptionalBoolRecord::kFalse));
}
#endif
} // namespace
DriveMetricsProvider::DriveMetricsProvider(int local_state_path_key)
: local_state_path_key_(local_state_path_key) {}
DriveMetricsProvider::~DriveMetricsProvider() = default;
void DriveMetricsProvider::ProvideSystemProfileMetrics(
metrics::SystemProfileProto* system_profile_proto) {
auto* hardware = system_profile_proto->mutable_hardware();
FillDriveMetrics(metrics_.app_drive, hardware->mutable_app_drive());
FillDriveMetrics(metrics_.user_data_drive,
hardware->mutable_user_data_drive());
}
void DriveMetricsProvider::AsyncInit(base::OnceClosure done_callback) {
base::ThreadPool::PostTaskAndReplyWithResult(
FROM_HERE,
{base::MayBlock(), base::TaskPriority::BEST_EFFORT,
base::TaskShutdownBehavior::SKIP_ON_SHUTDOWN},
base::BindOnce(&DriveMetricsProvider::GetDriveMetricsOnBackgroundThread,
local_state_path_key_),
base::BindOnce(&DriveMetricsProvider::GotDriveMetrics,
weak_ptr_factory_.GetWeakPtr(), std::move(done_callback)));
}
DriveMetricsProvider::SeekPenaltyResponse::SeekPenaltyResponse() = default;
// static
DriveMetricsProvider::DriveMetrics
DriveMetricsProvider::GetDriveMetricsOnBackgroundThread(
int local_state_path_key) {
base::ScopedBlockingCall scoped_blocking_call(FROM_HERE,
base::BlockingType::WILL_BLOCK);
DriveMetricsProvider::DriveMetrics metrics;
QuerySeekPenalty(base::FILE_EXE, &metrics.app_drive);
QuerySeekPenalty(local_state_path_key, &metrics.user_data_drive);
return metrics;
}
// static
void DriveMetricsProvider::QuerySeekPenalty(
int path_service_key,
DriveMetricsProvider::SeekPenaltyResponse* response) {
DCHECK(response);
base::FilePath path;
if (!base::PathService::Get(path_service_key, &path))
return;
std::optional<base::DriveInfo> drive_info = base::GetFileDriveInfo(path);
if (drive_info.has_value()) {
response->has_seek_penalty = drive_info->has_seek_penalty;
#if BUILDFLAG(IS_WIN) || BUILDFLAG(IS_MAC)
response->is_removable = drive_info->is_removable;
response->is_usb = drive_info->is_usb;
#endif
}
}
void DriveMetricsProvider::GotDriveMetrics(
base::OnceClosure done_callback,
const DriveMetricsProvider::DriveMetrics& metrics) {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
metrics_ = metrics;
std::move(done_callback).Run();
}
void DriveMetricsProvider::FillDriveMetrics(
const DriveMetricsProvider::SeekPenaltyResponse& response,
metrics::SystemProfileProto::Hardware::Drive* drive) {
if (response.has_seek_penalty.has_value()) {
drive->set_has_seek_penalty(*response.has_seek_penalty);
}
#if BUILDFLAG(IS_WIN) || BUILDFLAG(IS_MAC) || BUILDFLAG(IS_LINUX)
RecordTriStateMetric("UMA.DriveIsRemovableResult", response.is_removable);
#endif
#if BUILDFLAG(IS_WIN) || BUILDFLAG(IS_MAC)
RecordTriStateMetric("UMA.DriveIsUSBResult", response.is_usb);
#endif
}
} // namespace metrics
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