| /* |
| * 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_PROBES_PACKAGES_LIST_PACKAGES_LIST_DATA_SOURCE_H_ |
| #define SRC_TRACED_PROBES_PACKAGES_LIST_PACKAGES_LIST_DATA_SOURCE_H_ |
| |
| #include <functional> |
| #include <memory> |
| #include <set> |
| |
| #include "perfetto/base/task_runner.h" |
| #include "perfetto/ext/base/scoped_file.h" |
| |
| #include "perfetto/ext/tracing/core/basic_types.h" |
| #include "perfetto/tracing/core/data_source_config.h" |
| #include "protos/perfetto/config/android/packages_list_config.pbzero.h" |
| #include "protos/perfetto/trace/android/packages_list.pbzero.h" |
| |
| #include "src/traced/probes/probes_data_source.h" |
| |
| namespace perfetto { |
| |
| class TraceWriter; |
| |
| bool ParsePackagesListStream(protos::pbzero::PackagesList* packages_list, |
| const base::ScopedFstream& fs, |
| const std::set<std::string>& package_name_filter); |
| |
| class PackagesListDataSource : public ProbesDataSource { |
| public: |
| static const ProbesDataSource::Descriptor descriptor; |
| |
| PackagesListDataSource(const DataSourceConfig& ds_config, |
| TracingSessionID session_id, |
| std::unique_ptr<TraceWriter> writer); |
| // ProbesDataSource implementation. |
| void Start() override; |
| void Flush(FlushRequestID, std::function<void()> callback) override; |
| |
| ~PackagesListDataSource() override; |
| |
| private: |
| // If empty, include all package names. std::set over std::unordered_set as |
| // this should be trivially small (or empty) in practice, and the latter uses |
| // ever so slightly more memory. |
| std::set<std::string> package_name_filter_; |
| std::unique_ptr<TraceWriter> writer_; |
| }; |
| |
| } // namespace perfetto |
| |
| #endif // SRC_TRACED_PROBES_PACKAGES_LIST_PACKAGES_LIST_DATA_SOURCE_H_ |