| /* |
| * Copyright (C) 2018 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_TRACE_PROCESSOR_IMPORTERS_PROTO_PROTO_TRACE_READER_H_ |
| #define SRC_TRACE_PROCESSOR_IMPORTERS_PROTO_PROTO_TRACE_READER_H_ |
| |
| #include <stdint.h> |
| |
| #include <memory> |
| |
| #include "src/trace_processor/importers/common/chunked_trace_reader.h" |
| #include "src/trace_processor/importers/proto/proto_incremental_state.h" |
| #include "src/trace_processor/importers/proto/proto_trace_tokenizer.h" |
| |
| namespace protozero { |
| struct ConstBytes; |
| } |
| |
| namespace perfetto { |
| |
| namespace protos { |
| namespace pbzero { |
| class TracePacket_Decoder; |
| class TraceConfig_Decoder; |
| } // namespace pbzero |
| } // namespace protos |
| |
| namespace trace_processor { |
| |
| class PacketSequenceState; |
| class TraceProcessorContext; |
| class TraceSorter; |
| class TraceStorage; |
| |
| // Implementation of ChunkedTraceReader for proto traces. Tokenizes a proto |
| // trace into packets, handles parsing of any packets which need to be |
| // handled in trace-order and passes the remainder to TraceSorter to sort |
| // into timestamp order. |
| class ProtoTraceReader : public ChunkedTraceReader { |
| public: |
| // |reader| is the abstract method of getting chunks of size |chunk_size_b| |
| // from a trace file with these chunks parsed into |trace|. |
| explicit ProtoTraceReader(TraceProcessorContext*); |
| ~ProtoTraceReader() override; |
| |
| // ChunkedTraceReader implementation. |
| util::Status Parse(TraceBlobView) override; |
| void NotifyEndOfFile() override; |
| |
| private: |
| using ConstBytes = protozero::ConstBytes; |
| util::Status ParsePacket(TraceBlobView); |
| util::Status ParseServiceEvent(int64_t ts, ConstBytes); |
| util::Status ParseClockSnapshot(ConstBytes blob, uint32_t seq_id); |
| void HandleIncrementalStateCleared( |
| const protos::pbzero::TracePacket_Decoder&); |
| void HandleFirstPacketOnSequence(uint32_t packet_sequence_id); |
| void HandlePreviousPacketDropped(const protos::pbzero::TracePacket_Decoder&); |
| void ParseTracePacketDefaults(const protos::pbzero::TracePacket_Decoder&, |
| TraceBlobView trace_packet_defaults); |
| void ParseInternedData(const protos::pbzero::TracePacket_Decoder&, |
| TraceBlobView interned_data); |
| void ParseTraceConfig(ConstBytes); |
| |
| std::optional<StringId> GetBuiltinClockNameOrNull(int64_t clock_id); |
| |
| PacketSequenceState* GetIncrementalStateForPacketSequence( |
| uint32_t sequence_id) { |
| if (!incremental_state) |
| incremental_state.reset(new ProtoIncrementalState(context_)); |
| return incremental_state->GetOrCreateStateForPacketSequence(sequence_id); |
| } |
| util::Status ParseExtensionDescriptor(ConstBytes descriptor); |
| |
| TraceProcessorContext* context_; |
| |
| ProtoTraceTokenizer tokenizer_; |
| |
| // Temporary. Currently trace packets do not have a timestamp, so the |
| // timestamp given is latest_timestamp_. |
| int64_t latest_timestamp_ = 0; |
| |
| // Stores incremental state and references to interned data, e.g. for track |
| // event protos. |
| std::unique_ptr<ProtoIncrementalState> incremental_state; |
| |
| StringId skipped_packet_key_id_; |
| StringId invalid_incremental_state_key_id_; |
| }; |
| |
| } // namespace trace_processor |
| } // namespace perfetto |
| |
| #endif // SRC_TRACE_PROCESSOR_IMPORTERS_PROTO_PROTO_TRACE_READER_H_ |