117 lines
2.4 KiB
C++
117 lines
2.4 KiB
C++
/*
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open source routing machine
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Copyright (C) Dennis Luxen, 2010
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU AFFERO General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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or see http://www.gnu.org/licenses/agpl.txt.
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*/
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#ifndef SIMPLE_LOGGER_H_
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#define SIMPLE_LOGGER_H_
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#include <boost/assert.hpp>
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#include <boost/noncopyable.hpp>
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#include <boost/thread/mutex.hpp>
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#include <ostream>
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#include <iostream>
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enum LogLevel { logINFO, logWARNING, logDEBUG };
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static boost::mutex logger_mutex;
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class LogPolicy : boost::noncopyable {
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public:
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void Unmute() {
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m_is_mute = false;
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}
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void Mute() {
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m_is_mute = true;
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}
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bool IsMute() const {
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return m_is_mute;
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}
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static LogPolicy & GetInstance() {
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static LogPolicy runningInstance;
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return runningInstance;
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}
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private:
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LogPolicy() : m_is_mute(true) { }
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bool m_is_mute;
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};
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class SimpleLogger {
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public:
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SimpleLogger() : level(logINFO) { }
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std::ostringstream& Write(LogLevel l = logINFO) {
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try {
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boost::mutex::scoped_lock lock(logger_mutex);
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level = l;
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os << "[";
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switch(level) {
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case logINFO:
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os << "info";
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break;
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case logWARNING:
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os << "warn";
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break;
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case logDEBUG:
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#ifndef NDEBUG
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os << "debug";
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#endif
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break;
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default:
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BOOST_ASSERT_MSG(false, "should not happen");
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break;
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}
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os << "] ";
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} catch (...) { }
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return os;
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}
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virtual ~SimpleLogger() {
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if(!LogPolicy::GetInstance().IsMute()) {
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switch(level) {
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case logINFO:
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std::cout << os.str() << std::endl;
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break;
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case logWARNING:
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std::cerr << os.str() << std::endl;
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break;
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case logDEBUG:
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#ifndef NDEBUG
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std::cout << os.str() << std::endl;
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#endif
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break;
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default:
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BOOST_ASSERT_MSG(false, "should not happen");
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break;
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}
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}
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}
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private:
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LogLevel level;
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std::ostringstream os;
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};
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#endif /* SIMPLE_LOGGER_H_ */
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