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stdout_sink.h
/*
* MoMEMta: a modular implementation of the Matrix Element Method
* Copyright (C) 2016 Universite catholique de Louvain (UCL), Belgium
*
* This program 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.
*
* 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, see <http://www.gnu.org/licenses/>.
*/
// Heavily inspired by spdlog, Copyright(c) 2015 Gabi Melman
#pragma once
#include <logger/base_sink.h>
#include <logger/null_mutex.h>
#include <cstdio>
#include <memory>
#include <mutex>
namespace logger {
namespace sinks {
template <class Mutex>
class stdout_sink: public base_sink<Mutex> {
using type = stdout_sink<Mutex>;
public:
stdout_sink() {}
static std::shared_ptr<type> instance() {
static std::shared_ptr<type> instance = std::make_shared<type>();
return instance;
}
void _sink_it(const details::log_msg& msg) override {
auto s = msg.formatted.str();
fwrite(s.data(), sizeof(char), s.size(), stdout);
flush();
}
void flush() override {
fflush(stdout);
}
};
typedef stdout_sink<details::null_mutex> stdout_sink_st;
typedef stdout_sink<std::mutex> stdout_sink_mt;
}
}