1 /* 2 * Copyright (C) 2019 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef SRC_TRACE_PROCESSOR_IMPORTERS_FUCHSIA_FUCHSIA_TRACE_PARSER_H_ 18 #define SRC_TRACE_PROCESSOR_IMPORTERS_FUCHSIA_FUCHSIA_TRACE_PARSER_H_ 19 20 #include <functional> 21 #include <optional> 22 #include <vector> 23 24 #include "src/trace_processor/importers/common/trace_parser.h" 25 #include "src/trace_processor/importers/fuchsia/fuchsia_record.h" 26 #include "src/trace_processor/importers/fuchsia/fuchsia_trace_utils.h" 27 #include "src/trace_processor/importers/proto/proto_trace_parser.h" 28 29 namespace perfetto { 30 namespace trace_processor { 31 32 class TraceProcessorContext; 33 34 class FuchsiaTraceParser : public TraceParser { 35 public: 36 explicit FuchsiaTraceParser(TraceProcessorContext*); 37 ~FuchsiaTraceParser() override; 38 39 // TraceParser implementation 40 void ParseFuchsiaRecord(int64_t timestamp, FuchsiaRecord fr) override; 41 void ParseTrackEvent(int64_t, TrackEventData) override; 42 void ParseTracePacket(int64_t ts, TracePacketData data) override; 43 44 struct Arg { 45 StringId name; 46 fuchsia_trace_utils::ArgValue value; 47 }; 48 49 // Utility to parse record arguments. Exposed here to provide consistent 50 // parsing between trace parsing and tokenization. 51 // 52 // Returns an empty optional on error, otherwise a vector containing zero or 53 // more arguments. 54 static std::optional<std::vector<Arg>> ParseArgs( 55 fuchsia_trace_utils::RecordCursor& cursor, 56 uint32_t n_args, 57 std::function<StringId(base::StringView string)> intern_string, 58 std::function<StringId(uint32_t index)> get_string); 59 60 private: 61 TraceProcessorContext* const context_; 62 std::unique_ptr<ProtoTraceParser> proto_parser_; 63 }; 64 65 } // namespace trace_processor 66 } // namespace perfetto 67 68 #endif // SRC_TRACE_PROCESSOR_IMPORTERS_FUCHSIA_FUCHSIA_TRACE_PARSER_H_ 69