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_FORWARDING_TRACE_PARSER_H_ 18 #define SRC_TRACE_PROCESSOR_FORWARDING_TRACE_PARSER_H_ 19 20 #include <memory> 21 22 #include "perfetto/base/status.h" 23 #include "perfetto/trace_processor/trace_blob_view.h" 24 #include "src/trace_processor/importers/common/chunked_trace_reader.h" 25 #include "src/trace_processor/tables/metadata_tables_py.h" 26 #include "src/trace_processor/util/trace_type.h" 27 28 namespace perfetto::trace_processor { 29 30 class TraceProcessorContext; 31 32 class ForwardingTraceParser : public ChunkedTraceReader { 33 public: 34 explicit ForwardingTraceParser(TraceProcessorContext*, 35 tables::TraceFileTable::Id); 36 ~ForwardingTraceParser() override; 37 38 // ChunkedTraceReader implementation 39 base::Status Parse(TraceBlobView) override; 40 [[nodiscard]] base::Status NotifyEndOfFile() override; 41 trace_type()42 TraceType trace_type() const { return trace_type_; } 43 44 private: 45 base::Status Init(const TraceBlobView&); 46 void UpdateSorterForTraceType(TraceType trace_type); 47 TraceProcessorContext* const context_; 48 tables::TraceFileTable::Id file_id_; 49 size_t trace_size_ = 0; 50 std::unique_ptr<ChunkedTraceReader> reader_; 51 TraceType trace_type_ = kUnknownTraceType; 52 }; 53 54 } // namespace perfetto::trace_processor 55 56 #endif // SRC_TRACE_PROCESSOR_FORWARDING_TRACE_PARSER_H_ 57