/* * * Copyright (c) 2023 Project CHIP 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. */ #pragma once #include #include namespace chip { namespace Tracing { namespace Perfetto { /// Registers a perfetto data source to output to a file. class FileTraceOutput { public: FileTraceOutput() = default; ~FileTraceOutput() { Close(); } /// Starts a new tracing output, closing the existing one CHIP_ERROR Open(const char * file_name); /// Closes the tracing/session (assuming it is open) void Close(); private: static constexpr int kInvalidFileId = -1; int mTraceFileId = kInvalidFileId; std::unique_ptr mTracingSession; }; } // namespace Perfetto } // namespace Tracing } // namespace chip