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logger.cpp
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Mon, May 13, 21:31

logger.cpp
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/**
* @file
* @section LICENSE
*
* Copyright (©) 2016-2020 EPFL (École Polytechnique Fédérale de Lausanne),
* Laboratory (LSMS - Laboratoire de Simulation en Mécanique des Solides)
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published
* by the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*
*/
/* -------------------------------------------------------------------------- */
#include "logger.hh"
#include "mpi_interface.hh"
#include <cstdlib>
#include <iostream>
#include <map>
/* -------------------------------------------------------------------------- */
namespace tamaas {
/* -------------------------------------------------------------------------- */
LogLevel Logger::current_level = LogLevel::info;
namespace {
const std::map<LogLevel, std::string> repr{{LogLevel::debug, "debug"},
{LogLevel::info, "info"},
{LogLevel::warning, "warning"},
{LogLevel::error, "error"}};
}
std::ostream& operator<<(std::ostream& o, const LogLevel& val) {
o << repr.at(val);
return o;
}
Logger::~Logger() noexcept {
if (wish_level >= current_level and
not(mpi::rank() != 0 and wish_level == LogLevel::info)) {
std::cerr << stream.str();
std::cerr.flush();
}
}
std::ostream& Logger::get(LogLevel level) {
wish_level = level;
// Print rank if not info level
if (wish_level != LogLevel::info)
stream << '[' << mpi::rank() << "] ";
return stream;
}
void Logger::setLevel(LogLevel level) { current_level = level; }
/* -------------------------------------------------------------------------- */
} // namespace tamaas

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