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// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/ash/crostini/crostini_reporting_util.h"
#include <algorithm>
#include <vector>
#include "base/check.h"
#include "base/logging.h"
#include "base/time/clock.h"
#include "base/time/time.h"
#include "chrome/browser/ash/crostini/crostini_pref_names.h"
#include "components/component_updater/component_updater_service.h"
#include "components/prefs/pref_service.h"
#include "third_party/cros_system_api/dbus/service_constants.h"
namespace crostini {
namespace {
void WriteMetricsForReportingToPrefs(
PrefService* profile_prefs,
const component_updater::ComponentUpdateService* update_service,
const base::Clock* clock) {
const base::Time last_launch_time_window_start =
GetThreeDayWindowStart(clock->Now());
const std::string crostini_version = GetTerminaVersion(update_service);
if (crostini_version.empty()) {
LOG(ERROR) << "Could not determine Termina version for usage reporting";
}
profile_prefs->SetInt64(
crostini::prefs::kCrostiniLastLaunchTimeWindowStart,
last_launch_time_window_start.InMillisecondsSinceUnixEpoch());
profile_prefs->SetString(
crostini::prefs::kCrostiniLastLaunchTerminaComponentVersion,
crostini_version);
}
} // namespace
void WriteMetricsForReportingToPrefsIfEnabled(
PrefService* profile_prefs,
const component_updater::ComponentUpdateService* update_service,
const base::Clock* clock) {
if (profile_prefs->GetBoolean(crostini::prefs::kReportCrostiniUsageEnabled)) {
WriteMetricsForReportingToPrefs(profile_prefs, update_service, clock);
}
}
void WriteTerminaVmKernelVersionToPrefsForReporting(
PrefService* profile_prefs,
const std::string& kernel_version) {
profile_prefs->SetString(
crostini::prefs::kCrostiniLastLaunchTerminaKernelVersion, kernel_version);
}
base::Time GetThreeDayWindowStart(const base::Time& actual_time) {
const base::Time actual_time_midnight = actual_time.UTCMidnight();
const base::TimeDelta delta =
base::Days((actual_time_midnight - base::Time::UnixEpoch()).InDays() % 3);
return actual_time_midnight - delta;
}
std::string GetTerminaVersion(
const component_updater::ComponentUpdateService* update_service) {
// Define a UTF16 version of imageloader::kTerminaComponentName for the string
// comparison below. Assert that it is equal to the ASCII component name.
static constexpr char16_t kTerminaComponentName16[] = u"cros-termina";
DCHECK(std::ranges::equal(imageloader::kTerminaComponentName,
kTerminaComponentName16));
const std::vector<component_updater::ComponentInfo> component_list =
update_service->GetComponents();
for (const auto& component : component_list) {
if (component.name == kTerminaComponentName16) {
return component.version.GetString();
}
}
return std::string();
}
} // namespace crostini
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