cartographer/cartographer/io/migrate_serialization_forma...

53 lines
2.0 KiB
C++

/*
* Copyright 2018 The Cartographer Authors
*
* 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 "cartographer/io/proto_stream.h"
#include "cartographer/io/serialization_format_migration.h"
#include "gflags/gflags.h"
#include "glog/logging.h"
DEFINE_string(
original_pbstream_file, "",
"Path to the pbstream file that will be migrated to the new version.");
DEFINE_string(output_pbstream_file, "",
"Output filename for the migrated pbstream.");
int main(int argc, char** argv) {
google::InitGoogleLogging(argv[0]);
FLAGS_logtostderr = true;
google::SetUsageMessage(
"\n\n"
"Tool for migrating files that use the serialization output of "
"Cartographer 0.3, to the new serialization format, which includes a "
"header (Version 1).");
google::ParseCommandLineFlags(&argc, &argv, true);
if (FLAGS_original_pbstream_file.empty() ||
FLAGS_output_pbstream_file.empty()) {
google::ShowUsageWithFlagsRestrict(argv[0], "migrate_serialization_format");
return EXIT_FAILURE;
}
cartographer::io::ProtoStreamReader input(FLAGS_original_pbstream_file);
cartographer::io::ProtoStreamWriter output(FLAGS_output_pbstream_file);
LOG(INFO) << "Migrating old serialization format in \""
<< FLAGS_original_pbstream_file
<< "\" to new serialization format in \""
<< FLAGS_output_pbstream_file << "\"";
cartographer::io::MigrateStreamFormatToVersion1(&input, &output);
return EXIT_SUCCESS;
}