src/trace_processor/forwarding_trace_parser.h

/*
 * 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_TRACE_PROCESSOR_FORWARDING_TRACE_PARSER_H_
#define SRC_TRACE_PROCESSOR_FORWARDING_TRACE_PARSER_H_

#include "src/trace_processor/importers/common/chunked_trace_reader.h"

#include "src/trace_processor/types/trace_processor_context.h"

namespace perfetto {
namespace trace_processor {

constexpr size_t kGuessTraceMaxLookahead = 64;

enum TraceType {
  kUnknownTraceType,
  kProtoTraceType,
  kJsonTraceType,
  kFuchsiaTraceType,
  kSystraceTraceType,
  kGzipTraceType,
  kCtraceTraceType,
  kNinjaLogTraceType,
};

TraceType GuessTraceType(const uint8_t* data, size_t size);

class ForwardingTraceParser : public ChunkedTraceReader {
 public:
  explicit ForwardingTraceParser(TraceProcessorContext*);
  ~ForwardingTraceParser() override;

  // ChunkedTraceReader implementation
  util::Status Parse(TraceBlobView) override;
  void NotifyEndOfFile() override;

 private:
  TraceProcessorContext* const context_;
  std::unique_ptr<ChunkedTraceReader> reader_;
};

}  // namespace trace_processor
}  // namespace perfetto

#endif  // SRC_TRACE_PROCESSOR_FORWARDING_TRACE_PARSER_H_