shaka-packager/packager/third_party/protobuf/benchmarks/generate_datasets.cc

118 lines
4.4 KiB
C++

// Protocol Buffers - Google's data interchange format
// Copyright 2008 Google Inc. All rights reserved.
// https://developers.google.com/protocol-buffers/
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include <fstream>
#include <iostream>
#include "benchmarks.pb.h"
using benchmarks::BenchmarkDataset;
using google::protobuf::Descriptor;
using google::protobuf::DescriptorPool;
using google::protobuf::Message;
using google::protobuf::MessageFactory;
std::set<std::string> names;
const char *file_prefix = "dataset.";
const char *file_suffix = ".pb";
void WriteFileWithPayloads(const std::string& name,
const std::string& message_name,
const std::vector<std::string>& payload) {
if (!names.insert(name).second) {
std::cerr << "Duplicate test name: " << name << "\n";
abort();
}
// First verify that this message name exists in our set of benchmark messages
// and that these payloads are valid for the given message.
const Descriptor* d =
DescriptorPool::generated_pool()->FindMessageTypeByName(message_name);
if (!d) {
std::cerr << "For dataset " << name << ", no such message: "
<< message_name << "\n";
abort();
}
Message* m = MessageFactory::generated_factory()->GetPrototype(d)->New();
for (size_t i = 0; i < payload.size(); i++) {
if (!m->ParseFromString(payload[i])) {
std::cerr << "For dataset " << name << ", payload[" << i << "] fails "
<< "to parse\n";
abort();
}
}
BenchmarkDataset dataset;
dataset.set_name(name);
dataset.set_message_name(message_name);
for (size_t i = 0; i < payload.size(); i++) {
dataset.add_payload()->assign(payload[i]);
}
std::ofstream writer;
std::string fname = file_prefix + name + file_suffix;
writer.open(fname.c_str());
dataset.SerializeToOstream(&writer);
writer.close();
std::cerr << "Wrote dataset: " << fname << "\n";
}
void WriteFile(const std::string& name, const std::string& message_name,
const std::string& payload) {
std::vector<std::string> payloads;
payloads.push_back(payload);
WriteFileWithPayloads(name, message_name, payloads);
}
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() {
WriteFile("google_message1_proto3", "benchmarks.proto3.GoogleMessage1",
ReadFile("google_message1.dat"));
WriteFile("google_message1_proto2", "benchmarks.proto2.GoogleMessage1",
ReadFile("google_message1.dat"));
// Not in proto3 because it has a group, which is not supported.
WriteFile("google_message2", "benchmarks.proto2.GoogleMessage2",
ReadFile("google_message2.dat"));
}