| // Copyright 2017 The Cobalt Authors. All Rights Reserved. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| #include "cobalt/h5vcc/h5vcc_trace_event.h" |
| |
| namespace cobalt { |
| namespace h5vcc { |
| |
| namespace { |
| const char* kOutputTraceFilename = "h5vcc_trace_event.json"; |
| } // namespace |
| |
| H5vccTraceEvent::H5vccTraceEvent() {} |
| |
| void H5vccTraceEvent::Start(const std::string& output_filename) { |
| if (trace_to_file_) { |
| DLOG(WARNING) << "H5vccTraceEvent is already started."; |
| } else { |
| base::FilePath output_filepath( |
| output_filename.empty() ? kOutputTraceFilename : output_filename); |
| trace_to_file_.reset(new trace_event::ScopedTraceToFile(output_filepath)); |
| } |
| } |
| |
| void H5vccTraceEvent::Stop() { |
| if (trace_to_file_) { |
| trace_to_file_.reset(); |
| } else { |
| DLOG(WARNING) << "H5vccTraceEvent is already stopped."; |
| } |
| } |
| |
| } // namespace h5vcc |
| } // namespace cobalt |