| // 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/optimization_guide/hints_component_util.h" |
| |
| #include <string> |
| |
| #include "base/files/file.h" |
| #include "base/files/file_util.h" |
| #include "base/metrics/histogram_macros.h" |
| #include "components/optimization_guide/hints_component_info.h" |
| #include "components/optimization_guide/proto/hints.pb.h" |
| |
| namespace optimization_guide { |
| |
| namespace { |
| |
| void RecordProcessHintsComponentResult(ProcessHintsComponentResult result) { |
| UMA_HISTOGRAM_ENUMERATION(kProcessHintsComponentResultHistogramString, |
| static_cast<int>(result), |
| static_cast<int>(ProcessHintsComponentResult::MAX)); |
| } |
| |
| } // namespace |
| |
| const char kProcessHintsComponentResultHistogramString[] = |
| "OptimizationGuide.ProcessHintsResult"; |
| |
| std::unique_ptr<proto::Configuration> ProcessHintsComponent( |
| const HintsComponentInfo& component_info) { |
| if (!component_info.version.IsValid() || component_info.path.empty()) { |
| RecordProcessHintsComponentResult( |
| ProcessHintsComponentResult::FAILED_INVALID_PARAMETERS); |
| return nullptr; |
| } |
| |
| std::string binary_pb; |
| if (!base::ReadFileToString(component_info.path, &binary_pb)) { |
| RecordProcessHintsComponentResult( |
| ProcessHintsComponentResult::FAILED_READING_FILE); |
| return nullptr; |
| } |
| |
| std::unique_ptr<proto::Configuration> proto_configuration = |
| std::make_unique<proto::Configuration>(); |
| if (!proto_configuration->ParseFromString(binary_pb)) { |
| RecordProcessHintsComponentResult( |
| ProcessHintsComponentResult::FAILED_INVALID_CONFIGURATION); |
| return nullptr; |
| } |
| |
| RecordProcessHintsComponentResult(ProcessHintsComponentResult::SUCCESS); |
| return proto_configuration; |
| } |
| |
| } // namespace optimization_guide |