| /* |
| * Copyright (C) 2023 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_PROBES_STATSD_CLIENT_STATSD_BINDER_DATA_SOURCE_H_ |
| #define SRC_TRACED_PROBES_STATSD_CLIENT_STATSD_BINDER_DATA_SOURCE_H_ |
| |
| #include <memory> |
| |
| #include "perfetto/base/task_runner.h" |
| #include "perfetto/ext/base/utils.h" |
| #include "perfetto/ext/base/weak_ptr.h" |
| #include "perfetto/ext/tracing/core/basic_types.h" |
| #include "perfetto/ext/tracing/core/trace_writer.h" |
| #include "perfetto/tracing/core/forward_decls.h" |
| #include "src/protozero/proto_ring_buffer.h" |
| #include "src/traced/probes/probes_data_source.h" |
| |
| namespace perfetto { |
| |
| class StatsdBinderDataSource : public ProbesDataSource { |
| public: |
| static const ProbesDataSource::Descriptor descriptor; |
| |
| StatsdBinderDataSource(base::TaskRunner*, |
| TracingSessionID, |
| std::unique_ptr<TraceWriter> writer, |
| const DataSourceConfig&); |
| ~StatsdBinderDataSource() override; |
| |
| // ProbesDataSource implementation. |
| void Start() override; |
| void Flush(FlushRequestID, std::function<void()> callback) override; |
| void ClearIncrementalState() override; |
| |
| void OnData(uint32_t reason, const uint8_t* data, size_t sz); |
| |
| private: |
| StatsdBinderDataSource(const StatsdBinderDataSource&) = delete; |
| StatsdBinderDataSource& operator=(const StatsdBinderDataSource&) = delete; |
| |
| base::TaskRunner* const task_runner_; |
| std::unique_ptr<TraceWriter> writer_; |
| std::string shell_subscription_; |
| int32_t subscription_id_ = -1; |
| std::function<void()> pending_flush_callback_; |
| |
| base::WeakPtrFactory<StatsdBinderDataSource> weak_factory_; // Keep last. |
| }; |
| |
| } // namespace perfetto |
| |
| #endif // SRC_TRACED_PROBES_STATSD_CLIENT_STATSD_BINDER_DATA_SOURCE_H_ |