| /* |
| * Copyright (C) 2019 The Android Open Source Project |
| * |
| * 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. |
| */ |
| |
| #ifndef INCLUDE_PERFETTO_TRACING_INTERNAL_IN_PROCESS_TRACING_BACKEND_H_ |
| #define INCLUDE_PERFETTO_TRACING_INTERNAL_IN_PROCESS_TRACING_BACKEND_H_ |
| |
| #include "perfetto/base/export.h" |
| #include "perfetto/tracing/tracing_backend.h" |
| |
| namespace perfetto { |
| |
| namespace base { |
| class TaskRunner; |
| } |
| |
| class Producer; |
| class TracingService; |
| |
| namespace internal { |
| |
| // A built-in implementation of TracingBackend that creates a tracing service |
| // instance in-process. Instantiated when the embedder calls |
| // Tracing::Initialize(kInProcessBackend). Solves most in-app-only tracing |
| // use-cases. |
| class PERFETTO_EXPORT InProcessTracingBackend : public TracingBackend { |
| public: |
| static TracingBackend* GetInstance(); |
| |
| // TracingBackend implementation. |
| std::unique_ptr<ProducerEndpoint> ConnectProducer( |
| const ConnectProducerArgs&) override; |
| std::unique_ptr<ConsumerEndpoint> ConnectConsumer( |
| const ConnectConsumerArgs&) override; |
| |
| private: |
| InProcessTracingBackend(); |
| TracingService* GetOrCreateService(base::TaskRunner*); |
| |
| std::unique_ptr<TracingService> service_; |
| }; |
| |
| } // namespace internal |
| } // namespace perfetto |
| |
| #endif // INCLUDE_PERFETTO_TRACING_INTERNAL_IN_PROCESS_TRACING_BACKEND_H_ |