blob: d1f4e4529b2212860acf9a2c2dceaf6b5c07d386 [file] [log] [blame]
/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/*
* Copyright (c) 2014-2018, Regents of the University of California,
* Arizona Board of Regents,
* Colorado State University,
* University Pierre & Marie Curie, Sorbonne University,
* Washington University in St. Louis,
* Beijing Institute of Technology,
* The University of Memphis.
*
* This file is part of NFD (Named Data Networking Forwarding Daemon).
* See AUTHORS.md for complete list of NFD authors and contributors.
*
* NFD 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.
*
* NFD 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
* NFD, e.g., in COPYING.md file. If not, see <http://www.gnu.org/licenses/>.
*/
#include "logger.hpp"
#ifdef HAVE_CUSTOM_LOGGER
#error "This file should not be compiled when custom logger is used"
#endif
#include <cinttypes>
#include <cstdlib>
#include <stdio.h>
#include <type_traits>
#include <ndn-cxx/util/time.hpp>
namespace nfd {
Logger::Logger(const std::string& name, LogLevel level)
: m_moduleName(name)
, m_enabledLogLevel(level)
{
}
std::ostream&
operator<<(std::ostream& os, const LoggerTimestamp&)
{
using namespace ndn::time;
const auto sinceEpoch = system_clock::now().time_since_epoch();
BOOST_ASSERT(sinceEpoch.count() >= 0);
// use abs() to silence truncation warning in snprintf(), see #4365
const auto usecs = std::abs(duration_cast<microseconds>(sinceEpoch).count());
const auto usecsPerSec = microseconds::period::den;
// 10 (whole seconds) + '.' + 6 (fraction) + '\0'
char buffer[10 + 1 + 6 + 1];
BOOST_ASSERT_MSG(usecs / usecsPerSec <= 9999999999, "whole seconds cannot fit in 10 characters");
static_assert(std::is_same<microseconds::rep, int_least64_t>::value,
"PRIdLEAST64 is incompatible with microseconds::rep");
// std::snprintf unavailable on some platforms, see #2299
::snprintf(buffer, sizeof(buffer), "%" PRIdLEAST64 ".%06" PRIdLEAST64,
usecs / usecsPerSec, usecs % usecsPerSec);
return os << buffer;
}
} // namespace nfd