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#include "benchmarks.pb.h"
#include "datasets/google_message1/proto2/benchmark_message1_proto2.pb.h"
#include "datasets/google_message1/proto3/benchmark_message1_proto3.pb.h"
#include "datasets/google_message2/benchmark_message2.pb.h"
#include "datasets/google_message3/benchmark_message3.pb.h"
#include "datasets/google_message4/benchmark_message4.pb.h"
#include "google/protobuf/message.h"
#include "google/protobuf/descriptor.h"
#include <fstream>
using google::protobuf::FieldDescriptor;
using google::protobuf::Message;
using google::protobuf::Reflection;
class DataGroupStripper {
public:
static void StripMessage(Message *message) {
std::vector<const FieldDescriptor*> set_fields;
const Reflection* reflection = message->GetReflection();
reflection->ListFields(*message, &set_fields);
for (size_t i = 0; i < set_fields.size(); i++) {
const FieldDescriptor* field = set_fields[i];
if (field->type() == FieldDescriptor::TYPE_GROUP) {
reflection->ClearField(message, field);
}
if (field->type() == FieldDescriptor::TYPE_MESSAGE) {
if (field->is_repeated()) {
for (int j = 0; j < reflection->FieldSize(*message, field); j++) {
StripMessage(reflection->MutableRepeatedMessage(message, field, j));
}
} else {
StripMessage(reflection->MutableMessage(message, field));
}
}
}
reflection->MutableUnknownFields(message)->Clear();
}
};
std::string ReadFile(const std::string& name) {
std::ifstream file(name.c_str());
GOOGLE_CHECK(file.is_open()) << "Couldn't find file '"
<< name
<< "', please make sure you are running this command from the benchmarks"
<< " directory.\n";
return std::string((std::istreambuf_iterator<char>(file)),
std::istreambuf_iterator<char>());
}
int main(int argc, char *argv[]) {
if (argc % 2 == 0 || argc == 1) {
std::cerr << "Usage: [input_files] [output_file_names] where " <<
"input_files are one to one mapping to output_file_names." <<
std::endl;
return 1;
}
for (int i = argc / 2; i > 0; i--) {
const std::string &input_file = argv[i];
const std::string &output_file = argv[i + argc / 2];
std::cerr << "Generating " << input_file
<< " to " << output_file << std::endl;
benchmarks::BenchmarkDataset dataset;
Message* message;
std::string dataset_payload = ReadFile(input_file);
GOOGLE_CHECK(dataset.ParseFromString(dataset_payload))
<< "Can' t parse data file " << input_file;
if (dataset.message_name() == "benchmarks.proto3.GoogleMessage1") {
message = new benchmarks::proto3::GoogleMessage1;
} else if (dataset.message_name() == "benchmarks.proto2.GoogleMessage1") {
message = new benchmarks::proto2::GoogleMessage1;
} else if (dataset.message_name() == "benchmarks.proto2.GoogleMessage2") {
message = new benchmarks::proto2::GoogleMessage2;
} else if (dataset.message_name() ==
"benchmarks.google_message3.GoogleMessage3") {
message = new benchmarks::google_message3::GoogleMessage3;
} else if (dataset.message_name() ==
"benchmarks.google_message4.GoogleMessage4") {
message = new benchmarks::google_message4::GoogleMessage4;
} else {
std::cerr << "Unknown message type: " << dataset.message_name();
exit(1);
}
for (int i = 0; i < dataset.payload_size(); i++) {
message->ParseFromString(dataset.payload(i));
DataGroupStripper::StripMessage(message);
dataset.set_payload(i, message->SerializeAsString());
}
std::ofstream ofs(output_file);
ofs << dataset.SerializeAsString();
ofs.close();
}
return 0;
}
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