| // Copyright 2017 The Chromium OS Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "modemfwd/proto_file_io.h" |
| |
| #include <utility> |
| |
| #include <base/files/file.h> |
| #include <base/macros.h> |
| #include <google/protobuf/io/zero_copy_stream_impl.h> |
| #include <google/protobuf/text_format.h> |
| |
| namespace modemfwd { |
| |
| bool ReadProtobuf(const base::FilePath& proto_file, |
| google::protobuf::Message* out_proto) { |
| DCHECK(out_proto); |
| |
| base::File file(proto_file, base::File::FLAG_OPEN | base::File::FLAG_READ); |
| if (!file.IsValid()) { |
| DLOG(ERROR) << "Could not open \"" << proto_file.value() |
| << "\": " << base::File::ErrorToString(file.error_details()); |
| return false; |
| } |
| |
| return ReadProtobuf(file.GetPlatformFile(), out_proto); |
| } |
| |
| bool ReadProtobuf(int fd, google::protobuf::Message* out_proto) { |
| google::protobuf::io::FileInputStream input_stream(fd); |
| return google::protobuf::TextFormat::Parse(&input_stream, out_proto); |
| } |
| |
| bool WriteProtobuf(const google::protobuf::Message& proto, int fd) { |
| google::protobuf::io::FileOutputStream output_stream(fd); |
| return google::protobuf::TextFormat::Print(proto, &output_stream); |
| } |
| |
| } // namespace modemfwd |