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unison/src/core/examples/fatal-example.cc

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/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/*
* Copyright (c) 2020 Lawrence Livermore National Laboratory
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation;
*
* 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
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Author: Peter D. Barnes, Jr. <pdbarnes@llnl.gov>
*/
#include "ns3/fatal-error.h"
#include "ns3/assert.h"
#include "ns3/simulator.h"
#include <iostream>
/**
* \file
* \ingroup core-examples
* \ingroup ptr
* Example program illustrating use of the NS_FATAL error handlers.
*/
using namespace ns3;
void
FatalNoMsg (void)
{
std::cerr << "\nEvent triggered fatal error without message, and continuing:"
<< std::endl;
NS_FATAL_ERROR_NO_MSG_CONT ();
}
void
FatalCont (void)
{
std::cerr << "\nEvent triggered fatal error, with custom message, and continuing:"
<< std::endl;
NS_FATAL_ERROR_CONT ("fatal error, but continuing");
}
void
Fatal (void)
{
std::cerr << "\nEvent triggered fatal error, with message, and terminating:"
<< std::endl;
NS_FATAL_ERROR ("fatal error, terminating");
}
int
main (int argc, char ** argv)
{
// First schedule some events
Simulator::Schedule (Seconds (1), FatalNoMsg);
Simulator::Schedule (Seconds (2), FatalCont);
Simulator::Schedule (Seconds (3), Fatal);
// Show some errors outside of simulation time
std::cerr << "\nFatal error with custom message, and continuing:" << std::endl;
NS_FATAL_ERROR_CONT ("fatal error, but continuing");
std::cerr << "\nFatal error without message, and continuing:" << std::endl;
NS_FATAL_ERROR_NO_MSG_CONT ();
// Now run the simulator
Simulator::Run ();
// Should not get here
NS_FATAL_ERROR ("fatal error, terminating");
NS_ASSERT_MSG (false, "Should not get here.");
return 0;
}