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/**
* Copyright (C) 2018-present MongoDB, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the Server Side Public License, version 1,
* as published by MongoDB, Inc.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* Server Side Public License for more details.
*
* You should have received a copy of the Server Side Public License
* along with this program. If not, see
* <http://www.mongodb.com/licensing/server-side-public-license>.
*
* As a special exception, the copyright holders give permission to link the
* code of portions of this program with the OpenSSL library under certain
* conditions as described in each individual source file and distribute
* linked combinations including the program with the OpenSSL library. You
* must comply with the Server Side Public License in all respects for
* all of the code used other than as permitted herein. If you modify file(s)
* with this exception, you may extend this exception to your version of the
* file(s), but you are not obligated to do so. If you do not wish to do so,
* delete this exception statement from your version. If you delete this
* exception statement from all source files in the program, then also delete
* it in the license file.
*/
#include "mongo/platform/basic.h"
#include <fcntl.h>
#include <fstream>
#include <iostream>
#include <string>
#ifdef _WIN32
#include <io.h>
#endif
#include "mongo/base/initializer.h"
#include "mongo/db/traffic_reader.h"
#include "mongo/util/exit_code.h"
#include "mongo/util/signal_handlers.h"
#include "mongo/util/text.h"
#include <boost/filesystem.hpp>
#include <boost/program_options.hpp>
using namespace mongo;
int main(int argc, char* argv[]) {
setupSignalHandlers();
Status status = mongo::runGlobalInitializers(std::vector<std::string>(argv, argv + argc));
if (!status.isOK()) {
std::cerr << "Failed global initialization: " << status << std::endl;
return static_cast<int>(ExitCode::fail);
}
startSignalProcessingThread();
// Handle program options
boost::program_options::variables_map vm;
// input / output files for the reader (input defaults to stdin)
int inputFd = 0;
std::ofstream outputStream;
try {
// Define the program options
auto inputStr = "Path to file input file (defaults to stdin)";
auto outputStr =
"Path to file that mongotrafficreader will place its output (defaults to stdout)";
boost::program_options::options_description desc{"Options"};
desc.add_options()("help,h", "help")(
"input,i", boost::program_options::value<std::string>(), inputStr)(
"output,o", boost::program_options::value<std::string>(), outputStr);
// Parse the program options
store(parse_command_line(argc, argv, desc), vm);
notify(vm);
// Handle the help option
if (vm.count("help")) {
std::cout << "Mongo Traffic Reader Help: \n\n\t./mongotrafficreader "
"-i trafficinput.txt -o mongotrafficreader_dump.bson \n\n"
<< desc << std::endl;
return static_cast<int>(ExitCode::clean);
}
// User can specify a --input param and it must point to a valid file
if (vm.count("input")) {
auto inputFile = vm["input"].as<std::string>();
if (!boost::filesystem::exists(inputFile.c_str())) {
std::cout << "Error: Specified file does not exist (" << inputFile.c_str() << ")"
<< std::endl;
return static_cast<int>(ExitCode::fail);
}
// Open the connection to the input file
#ifdef _WIN32
inputFd = open(inputFile.c_str(), O_RDONLY | O_BINARY);
#else
inputFd = open(inputFile.c_str(), O_RDONLY);
#endif
if (inputFd < 0) {
std::cerr << "Error opening file: " << strerror(errno) << std::endl;
return static_cast<int>(ExitCode::fail);
}
}
// User must specify a --output param and it does not need to point to a valid file
if (vm.count("output")) {
auto outputFile = vm["output"].as<std::string>();
// Open the connection to the output file
outputStream.open(outputFile, std::ios::out | std::ios::trunc | std::ios::binary);
if (!outputStream.is_open()) {
std::cerr << "Error writing to file: " << outputFile << std::endl;
return static_cast<int>(ExitCode::fail);
}
} else {
// output to std::cout
outputStream.copyfmt(std::cout);
outputStream.clear(std::cout.rdstate());
outputStream.basic_ios<char>::rdbuf(std::cout.rdbuf());
}
} catch (const boost::program_options::error& ex) {
std::cerr << ex.what() << '\n';
return static_cast<int>(ExitCode::fail);
}
mongo::trafficRecordingFileToMongoReplayFile(inputFd, outputStream);
return 0;
}
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