| // Copyright (c) 2012 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 "chrome/browser/extensions/api/metrics_private/metrics_private_api.h" |
| |
| #include <limits.h> |
| |
| #include <algorithm> |
| |
| #include "base/memory/ptr_util.h" |
| #include "base/metrics/field_trial.h" |
| #include "base/metrics/histogram.h" |
| #include "base/metrics/sparse_histogram.h" |
| #include "chrome/browser/metrics/chrome_metrics_service_accessor.h" |
| #include "chrome/common/extensions/api/metrics_private.h" |
| #include "components/variations/variations_associated_data.h" |
| #include "content/public/browser/user_metrics.h" |
| #include "extensions/common/extension.h" |
| |
| namespace extensions { |
| |
| namespace GetIsCrashReportingEnabled = |
| api::metrics_private::GetIsCrashReportingEnabled; |
| namespace GetVariationParams = api::metrics_private::GetVariationParams; |
| namespace GetFieldTrial = api::metrics_private::GetFieldTrial; |
| namespace RecordUserAction = api::metrics_private::RecordUserAction; |
| namespace RecordValue = api::metrics_private::RecordValue; |
| namespace RecordSparseValue = api::metrics_private::RecordSparseValue; |
| namespace RecordPercentage = api::metrics_private::RecordPercentage; |
| namespace RecordCount = api::metrics_private::RecordCount; |
| namespace RecordSmallCount = api::metrics_private::RecordSmallCount; |
| namespace RecordMediumCount = api::metrics_private::RecordMediumCount; |
| namespace RecordTime = api::metrics_private::RecordTime; |
| namespace RecordMediumTime = api::metrics_private::RecordMediumTime; |
| namespace RecordLongTime = api::metrics_private::RecordLongTime; |
| |
| namespace { |
| |
| const size_t kMaxBuckets = 10000; // We don't ever want more than these many |
| // buckets; there is no real need for them |
| // and would cause crazy memory usage |
| } // namespace |
| |
| bool MetricsPrivateGetIsCrashReportingEnabledFunction::RunSync() { |
| SetResult(base::MakeUnique<base::FundamentalValue>( |
| ChromeMetricsServiceAccessor::IsMetricsAndCrashReportingEnabled())); |
| return true; |
| } |
| |
| bool MetricsPrivateGetFieldTrialFunction::RunSync() { |
| std::string name; |
| EXTENSION_FUNCTION_VALIDATE(args_->GetString(0, &name)); |
| |
| SetResult(base::MakeUnique<base::StringValue>( |
| base::FieldTrialList::FindFullName(name))); |
| return true; |
| } |
| |
| bool MetricsPrivateGetVariationParamsFunction::RunSync() { |
| std::unique_ptr<GetVariationParams::Params> params( |
| GetVariationParams::Params::Create(*args_)); |
| EXTENSION_FUNCTION_VALIDATE(params.get()); |
| |
| GetVariationParams::Results::Params result; |
| if (variations::GetVariationParams(params->name, |
| &result.additional_properties)) { |
| SetResult(result.ToValue()); |
| } |
| return true; |
| } |
| |
| bool MetricsPrivateRecordUserActionFunction::RunSync() { |
| std::unique_ptr<RecordUserAction::Params> params( |
| RecordUserAction::Params::Create(*args_)); |
| EXTENSION_FUNCTION_VALIDATE(params.get()); |
| |
| content::RecordComputedAction(params->name); |
| return true; |
| } |
| |
| bool MetricsHistogramHelperFunction::RecordValue( |
| const std::string& name, |
| base::HistogramType type, |
| int min, int max, size_t buckets, |
| int sample) { |
| // Make sure toxic values don't get to internal code. |
| // Fix for maximums |
| min = std::min(min, INT_MAX - 3); |
| max = std::min(max, INT_MAX - 3); |
| buckets = std::min(buckets, kMaxBuckets); |
| // Fix for minimums. |
| min = std::max(min, 1); |
| max = std::max(max, min + 1); |
| buckets = std::max(buckets, static_cast<size_t>(3)); |
| // Trim buckets down to a maximum of the given range + over/underflow buckets |
| if (buckets > static_cast<size_t>(max - min + 2)) |
| buckets = max - min + 2; |
| |
| base::HistogramBase* counter; |
| if (type == base::LINEAR_HISTOGRAM) { |
| counter = base::LinearHistogram::FactoryGet( |
| name, min, max, buckets, |
| base::HistogramBase::kUmaTargetedHistogramFlag); |
| } else { |
| counter = base::Histogram::FactoryGet( |
| name, min, max, buckets, |
| base::HistogramBase::kUmaTargetedHistogramFlag); |
| } |
| |
| // The histogram can be NULL if it is constructed with bad arguments. Ignore |
| // that data for this API. An error message will be logged. |
| if (counter) |
| counter->Add(sample); |
| return true; |
| } |
| |
| bool MetricsPrivateRecordValueFunction::RunSync() { |
| std::unique_ptr<RecordValue::Params> params( |
| RecordValue::Params::Create(*args_)); |
| EXTENSION_FUNCTION_VALIDATE(params.get()); |
| |
| // Get the histogram parameters from the metric type object. |
| std::string type = api::metrics_private::ToString(params->metric.type); |
| |
| base::HistogramType histogram_type(type == "histogram-linear" ? |
| base::LINEAR_HISTOGRAM : base::HISTOGRAM); |
| return RecordValue(params->metric.metric_name, histogram_type, |
| params->metric.min, params->metric.max, |
| params->metric.buckets, params->value); |
| } |
| |
| bool MetricsPrivateRecordSparseValueFunction::RunSync() { |
| std::unique_ptr<RecordSparseValue::Params> params( |
| RecordSparseValue::Params::Create(*args_)); |
| EXTENSION_FUNCTION_VALIDATE(params.get()); |
| // This particular UMA_HISTOGRAM_ macro is okay for |
| // non-runtime-constant strings. |
| UMA_HISTOGRAM_SPARSE_SLOWLY(params->metric_name, params->value); |
| return true; |
| } |
| |
| bool MetricsPrivateRecordPercentageFunction::RunSync() { |
| std::unique_ptr<RecordPercentage::Params> params( |
| RecordPercentage::Params::Create(*args_)); |
| EXTENSION_FUNCTION_VALIDATE(params.get()); |
| return RecordValue(params->metric_name, base::LINEAR_HISTOGRAM, |
| 1, 101, 102, params->value); |
| } |
| |
| bool MetricsPrivateRecordCountFunction::RunSync() { |
| std::unique_ptr<RecordCount::Params> params( |
| RecordCount::Params::Create(*args_)); |
| EXTENSION_FUNCTION_VALIDATE(params.get()); |
| return RecordValue(params->metric_name, base::HISTOGRAM, |
| 1, 1000000, 50, params->value); |
| } |
| |
| bool MetricsPrivateRecordSmallCountFunction::RunSync() { |
| std::unique_ptr<RecordSmallCount::Params> params( |
| RecordSmallCount::Params::Create(*args_)); |
| EXTENSION_FUNCTION_VALIDATE(params.get()); |
| return RecordValue(params->metric_name, base::HISTOGRAM, |
| 1, 100, 50, params->value); |
| } |
| |
| bool MetricsPrivateRecordMediumCountFunction::RunSync() { |
| std::unique_ptr<RecordMediumCount::Params> params( |
| RecordMediumCount::Params::Create(*args_)); |
| EXTENSION_FUNCTION_VALIDATE(params.get()); |
| return RecordValue(params->metric_name, base::HISTOGRAM, |
| 1, 10000, 50, params->value); |
| } |
| |
| bool MetricsPrivateRecordTimeFunction::RunSync() { |
| std::unique_ptr<RecordTime::Params> params( |
| RecordTime::Params::Create(*args_)); |
| EXTENSION_FUNCTION_VALIDATE(params.get()); |
| static const int kTenSecMs = 10 * 1000; |
| return RecordValue(params->metric_name, base::HISTOGRAM, |
| 1, kTenSecMs, 50, params->value); |
| } |
| |
| bool MetricsPrivateRecordMediumTimeFunction::RunSync() { |
| std::unique_ptr<RecordMediumTime::Params> params( |
| RecordMediumTime::Params::Create(*args_)); |
| EXTENSION_FUNCTION_VALIDATE(params.get()); |
| static const int kThreeMinMs = 3 * 60 * 1000; |
| return RecordValue(params->metric_name, base::HISTOGRAM, |
| 1, kThreeMinMs, 50, params->value); |
| } |
| |
| bool MetricsPrivateRecordLongTimeFunction::RunSync() { |
| std::unique_ptr<RecordLongTime::Params> params( |
| RecordLongTime::Params::Create(*args_)); |
| EXTENSION_FUNCTION_VALIDATE(params.get()); |
| static const int kOneHourMs = 60 * 60 * 1000; |
| return RecordValue(params->metric_name, base::HISTOGRAM, |
| 1, kOneHourMs, 50, params->value); |
| } |
| |
| } // namespace extensions |