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// Copyright 2014 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/metrics_service_client.h"
#include <algorithm>
#include <string>
#include "base/command_line.h"
#include "base/logging.h"
#include "base/strings/string_number_conversions.h"
#include "base/strings/string_util.h"
#include "build/build_config.h"
#include "components/metrics/metrics_features.h"
#include "components/metrics/metrics_switches.h"
#include "components/metrics/url_constants.h"
#include "metrics_service_client.h"
namespace metrics {
// TODO(b/282078734): Names "max_*" are the original names when the experiment
// first started. These should be renamed after the experiment is over.
const base::FeatureParam<int> kMinLogQueueBytes{
&features::kStructuredMetrics, "max_log_queue_bytes",
300 * 1024 // 300 KiB
};
const base::FeatureParam<int> kMinOngoingLogQueueCount{
&features::kStructuredMetrics, "max_ongoing_log_queue_count", 8};
namespace {
// The minimum time in seconds between consecutive metrics report uploads.
constexpr int kMetricsUploadIntervalSecMinimum = 20;
// Initial logs can be of any size.
constexpr size_t kMaxInitialLogSize = 0;
// If a metrics log upload fails, and the transmission is 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.
#if BUILDFLAG(IS_CHROMEOS)
// Increase CrOS limit to accommodate SampledProfile data (crbug.com/1210595).
constexpr size_t kMaxOngoingLogSize = 1024 * 1024; // 1 MiB
#else
constexpr size_t kMaxOngoingLogSize = 100 * 1024; // 100 KiB
#endif // BUILDFLAG(IS_CHROMEOS)
// The minimum number of "initial" logs to save before logs are dropped. Initial
// logs contain crash stats, and are pretty small.
constexpr size_t kMinInitialLogQueueCount = 20;
} // namespace
MetricsServiceClient::MetricsServiceClient() {}
MetricsServiceClient::~MetricsServiceClient() {}
ukm::UkmService* MetricsServiceClient::GetUkmService() {
return nullptr;
}
structured::StructuredMetricsService*
MetricsServiceClient::GetStructuredMetricsService() {
return nullptr;
}
bool MetricsServiceClient::ShouldUploadMetricsForUserId(uint64_t user_id) {
return true;
}
GURL MetricsServiceClient::GetMetricsServerUrl() {
base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
if (command_line->HasSwitch(switches::kUmaServerUrl)) {
return GURL(command_line->GetSwitchValueASCII(switches::kUmaServerUrl));
}
return GURL(kNewMetricsServerUrl);
}
GURL MetricsServiceClient::GetInsecureMetricsServerUrl() {
base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
if (command_line->HasSwitch(switches::kUmaInsecureServerUrl)) {
return GURL(
command_line->GetSwitchValueASCII(switches::kUmaInsecureServerUrl));
}
return GURL(kNewMetricsServerUrlInsecure);
}
base::TimeDelta MetricsServiceClient::GetUploadInterval() {
const base::CommandLine* command_line =
base::CommandLine::ForCurrentProcess();
// If an upload interval is set from the command line, use that value but
// subject it to a minimum threshold to mitigate the risk of DDoS attack.
if (command_line->HasSwitch(metrics::switches::kMetricsUploadIntervalSec)) {
const std::string switch_value = command_line->GetSwitchValueASCII(
metrics::switches::kMetricsUploadIntervalSec);
int custom_upload_interval;
if (base::StringToInt(switch_value, &custom_upload_interval)) {
return base::Seconds(
std::max(custom_upload_interval, kMetricsUploadIntervalSecMinimum));
}
LOG(DFATAL) << "Malformed value for --metrics-upload-interval. "
<< "Expected int, got: " << switch_value;
}
return GetStandardUploadInterval();
}
bool MetricsServiceClient::ShouldStartUpFastForTesting() const {
return false;
}
bool MetricsServiceClient::IsReportingPolicyManaged() {
return false;
}
EnableMetricsDefault MetricsServiceClient::GetMetricsReportingDefaultState() {
return EnableMetricsDefault::DEFAULT_UNKNOWN;
}
bool MetricsServiceClient::IsOnCellularConnection() {
return false;
}
bool MetricsServiceClient::IsExternalExperimentAllowlistEnabled() {
return true;
}
bool MetricsServiceClient::IsUkmAllowedForAllProfiles() {
return false;
}
bool MetricsServiceClient::AreNotificationListenersEnabledOnAllProfiles() {
return false;
}
std::string MetricsServiceClient::GetAppPackageNameIfLoggable() {
return std::string();
}
std::string MetricsServiceClient::GetUploadSigningKey() {
return std::string();
}
bool MetricsServiceClient::ShouldResetClientIdsOnClonedInstall() {
return false;
}
base::CallbackListSubscription
MetricsServiceClient::AddOnClonedInstallDetectedCallback(
base::OnceClosure callback) {
return base::CallbackListSubscription();
}
MetricsLogStore::StorageLimits MetricsServiceClient::GetStorageLimits() const {
return {
.initial_log_queue_limits =
UnsentLogStore::UnsentLogStoreLimits{
.min_log_count = kMinInitialLogQueueCount,
.min_queue_size_bytes =
static_cast<size_t>(kMinLogQueueBytes.Get()),
.max_log_size_bytes = static_cast<size_t>(kMaxInitialLogSize),
},
.ongoing_log_queue_limits =
UnsentLogStore::UnsentLogStoreLimits{
.min_log_count =
static_cast<size_t>(kMinOngoingLogQueueCount.Get()),
.min_queue_size_bytes =
static_cast<size_t>(kMinLogQueueBytes.Get()),
.max_log_size_bytes = static_cast<size_t>(kMaxOngoingLogSize),
},
};
}
void MetricsServiceClient::SetUpdateRunningServicesCallback(
const base::RepeatingClosure& callback) {
update_running_services_ = callback;
}
void MetricsServiceClient::UpdateRunningServices() {
if (update_running_services_) {
update_running_services_.Run();
}
}
bool MetricsServiceClient::IsMetricsReportingForceEnabled() const {
return ::metrics::IsMetricsReportingForceEnabled();
}
absl::optional<bool> MetricsServiceClient::GetCurrentUserMetricsConsent()
const {
return absl::nullopt;
}
absl::optional<std::string> MetricsServiceClient::GetCurrentUserId() const {
return absl::nullopt;
}
} // namespace metrics
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