| // 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. |
| |
| #ifndef SERVICES_TRACING_PERFETTO_PERFETTO_SERVICE_H_ |
| #define SERVICES_TRACING_PERFETTO_PERFETTO_SERVICE_H_ |
| |
| #include <memory> |
| #include <set> |
| |
| #include "base/macros.h" |
| #include "base/sequence_checker.h" |
| #include "base/sequenced_task_runner.h" |
| #include "mojo/public/cpp/bindings/binding_set.h" |
| #include "mojo/public/cpp/bindings/strong_binding_set.h" |
| #include "services/service_manager/public/cpp/identity.h" |
| #include "services/tracing/public/cpp/perfetto/task_runner.h" |
| #include "services/tracing/public/mojom/perfetto_service.mojom.h" |
| |
| namespace perfetto { |
| class TracingService; |
| } // namespace perfetto |
| |
| namespace tracing { |
| |
| // This class serves two purposes: It wraps the use of the system-wide |
| // perfetto::TracingService instance, and serves as the main Mojo interface for |
| // connecting per-process ProducerClient with corresponding service-side |
| // ProducerHost. |
| class PerfettoService : public mojom::PerfettoService { |
| public: |
| explicit PerfettoService(scoped_refptr<base::SequencedTaskRunner> |
| task_runner_for_testing = nullptr); |
| ~PerfettoService() override; |
| |
| static PerfettoService* GetInstance(); |
| |
| void BindRequest(mojom::PerfettoServiceRequest request); |
| |
| // mojom::PerfettoService implementation. |
| void ConnectToProducerHost(mojom::ProducerClientPtr producer_client, |
| mojom::ProducerHostRequest producer_host) override; |
| |
| perfetto::TracingService* GetService() const; |
| scoped_refptr<base::SequencedTaskRunner> task_runner() { |
| return perfetto_task_runner_.task_runner(); |
| } |
| |
| private: |
| void BindOnSequence(mojom::PerfettoServiceRequest request); |
| void CreateServiceOnSequence(); |
| |
| PerfettoTaskRunner perfetto_task_runner_; |
| std::unique_ptr<perfetto::TracingService> service_; |
| mojo::BindingSet<mojom::PerfettoService> bindings_; |
| mojo::StrongBindingSet<mojom::ProducerHost> producer_bindings_; |
| SEQUENCE_CHECKER(sequence_checker_); |
| |
| DISALLOW_COPY_AND_ASSIGN(PerfettoService); |
| }; |
| |
| } // namespace tracing |
| |
| #endif // SERVICES_TRACING_PERFETTO_PERFETTO_SERVICE_H_ |