| /* |
| * 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. |
| */ |
| |
| #include "tools/trace_to_text/trace_to_text.h" |
| |
| #include <google/protobuf/compiler/importer.h> |
| #include <google/protobuf/dynamic_message.h> |
| #include <google/protobuf/io/zero_copy_stream_impl.h> |
| #include <google/protobuf/text_format.h> |
| |
| #include "perfetto/base/logging.h" |
| #include "tools/trace_to_text/proto_full_utils.h" |
| |
| namespace perfetto { |
| namespace trace_to_text { |
| |
| namespace { |
| using google::protobuf::Descriptor; |
| using google::protobuf::DynamicMessageFactory; |
| using google::protobuf::FileDescriptor; |
| using google::protobuf::Message; |
| using google::protobuf::TextFormat; |
| using google::protobuf::compiler::DiskSourceTree; |
| using google::protobuf::compiler::Importer; |
| using google::protobuf::io::OstreamOutputStream; |
| |
| } // namespace |
| |
| int TraceToText(std::istream* input, std::ostream* output) { |
| DiskSourceTree dst; |
| dst.MapPath("perfetto", "protos/perfetto"); |
| MultiFileErrorCollectorImpl mfe; |
| Importer importer(&dst, &mfe); |
| const FileDescriptor* parsed_file = |
| importer.Import("perfetto/trace/trace.proto"); |
| |
| DynamicMessageFactory dmf; |
| const Descriptor* trace_descriptor = parsed_file->message_type(0); |
| const Message* msg_root = dmf.GetPrototype(trace_descriptor); |
| Message* msg = msg_root->New(); |
| |
| if (!msg->ParseFromIstream(input)) { |
| PERFETTO_ELOG("Could not parse input."); |
| return 1; |
| } |
| OstreamOutputStream zero_copy_output(output); |
| TextFormat::Print(*msg, &zero_copy_output); |
| return 0; |
| } |
| |
| } // namespace trace_to_text |
| } // namespace perfetto |