| /* |
| * 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 SRC_TRACED_SERVICE_LAZY_PRODUCER_H_ |
| #define SRC_TRACED_SERVICE_LAZY_PRODUCER_H_ |
| |
| #include <set> |
| #include <string> |
| |
| #include "perfetto/base/task_runner.h" |
| #include "perfetto/base/weak_ptr.h" |
| |
| #include "perfetto/tracing/core/basic_types.h" |
| #include "perfetto/tracing/core/producer.h" |
| #include "perfetto/tracing/core/tracing_service.h" |
| |
| namespace perfetto { |
| |
| class LazyProducer : public Producer { |
| public: |
| LazyProducer(base::TaskRunner* task_runner, |
| uint32_t delay_ms, |
| std::string data_source_name, |
| std::string property_name); |
| |
| ~LazyProducer() override; |
| // No-ops to satisfy the Producer implementation. |
| void OnDisconnect() override {} |
| void OnTracingSetup() override {} |
| void StartDataSource(DataSourceInstanceID, const DataSourceConfig&) override { |
| } |
| void Flush(FlushRequestID flush_id, |
| const DataSourceInstanceID*, |
| size_t) override { |
| endpoint_->NotifyFlushComplete(flush_id); |
| } |
| void ClearIncrementalState(const DataSourceInstanceID* /*data_source_ids*/, |
| size_t /*num_data_sources*/) override {} |
| |
| void OnConnect() override; |
| void SetupDataSource(DataSourceInstanceID, const DataSourceConfig&) override; |
| void StopDataSource(DataSourceInstanceID) override; |
| |
| void ConnectInProcess(TracingService* svc); |
| virtual bool SetAndroidProperty(const std::string& name, |
| const std::string& value); |
| |
| private: |
| base::TaskRunner* task_runner_; |
| uint32_t delay_ms_; |
| |
| std::string data_source_name_; |
| std::string property_name_; |
| |
| std::unique_ptr<TracingService::ProducerEndpoint> endpoint_; |
| uint64_t active_sessions_ = 0; |
| uint64_t generation_ = 0; |
| |
| base::WeakPtrFactory<LazyProducer> weak_factory_; // Keep last. |
| }; |
| |
| } // namespace perfetto |
| |
| #endif // SRC_TRACED_SERVICE_LAZY_PRODUCER_H_ |