gnss-sdr/src/main/main.cc

130 lines
4.1 KiB
C++

/*!
* \file main.cc
* \brief Main file of the GNSS-SDR program.
* \author Carlos Aviles, 2010. carlos.avilesr(at)googlemail.com
*
* It sets up the logging system, creates a ControlThread object,
* makes it run, and releases memory back when the main thread has ended.
*
* -------------------------------------------------------------------------
*
* Copyright (C) 2010-2013 (see AUTHORS file for a list of contributors)
*
* GNSS-SDR is a software defined Global Navigation
* Satellite Systems receiver
*
* This file is part of GNSS-SDR.
*
* GNSS-SDR is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* at your option) any later version.
*
* GNSS-SDR 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
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GNSS-SDR. If not, see <http://www.gnu.org/licenses/>.
*
* -------------------------------------------------------------------------
*/
#ifndef GNSS_SDR_VERSION
#define GNSS_SDR_VERSION "0.0.1"
#endif
#include <boost/filesystem.hpp>
#include <gflags/gflags.h>
#include <glog/log_severity.h>
#include <glog/logging.h>
#include <gnuradio/gr_msg_queue.h>
#include "control_thread.h"
#include <queue>
#include <boost/thread/mutex.hpp>
#include <boost/thread/thread.hpp>
#include "concurrent_queue.h"
#include "gps_navigation_message.h"
#include <sys/time.h>
#include <ctime>
#include <memory>
using google::LogMessage;
DECLARE_string(log_dir);
/*!
* \todo make this queue generic for all the GNSS systems (javi)
*/
/*
* Concurrent queue that communicates the Telemetry Decoder
* to the Observables modules
*/
concurrent_queue<Gps_Navigation_Message> global_gps_nav_msg_queue;
int main(int argc, char** argv)
{
const std::string intro_help(
std::string("\nGNSS-SDR is an Open Source GNSS Software Defined Receiver\n")
+
"Copyright (C) 2010-2012 (see AUTHORS file for a list of contributors)\n"
+
"This program comes with ABSOLUTELY NO WARRANTY;\n"
+
"See COPYING file to see a copy of the General Public License\n \n");
google::SetUsageMessage(intro_help);
google::SetVersionString(GNSS_SDR_VERSION);
google::ParseCommandLineFlags(&argc, &argv, true);
std::cout << "Initializing GNSS-SDR... Please wait." << std::endl;
google::InitGoogleLogging(argv[0]);
if (FLAGS_log_dir.empty())
{
// temp_directory_path() is only available from
// Boost 1.45. Ubuntu 10.10 and Debian 6.0.6 ships with 1.42
std::cout << "Logging will be done at "
//<< boost::filesystem::temp_directory_path()
<< "/tmp"
<< std::endl
<< "Use gnss-sdr --log_dir=/path/to/log to change that."
<< std::endl;
}
else
{
const boost::filesystem::path p (FLAGS_log_dir);
if (!boost::filesystem::exists(p))
{
std::cout << "The path "
<< FLAGS_log_dir
<< " does not exist, attempting to create it"
<< std::endl;
boost::filesystem::create_directory(p);
}
std::cout << "Logging with be done at "
<< FLAGS_log_dir << std::endl;
}
std::unique_ptr<ControlThread> control_thread(new ControlThread());
// record startup time
struct timeval tv;
gettimeofday(&tv, NULL);
long long int begin = tv.tv_sec * 1000000 + tv.tv_usec;
control_thread->run();
// report the elapsed time
gettimeofday(&tv, NULL);
long long int end = tv.tv_sec * 1000000 + tv.tv_usec;
std::cout << "Total GNSS-SDR run time "
<< ((double)(end - begin))/1000000.0
<< " [seconds]" << std::endl;
google::ShutDownCommandLineFlags();
std::cout << "GNSS-SDR program ended." << std::endl;
}