Created and integrated levelized log
Change-Id: Ibfed76796a880bab2709b77b0c9540be7b75fad7
diff --git a/src/util/logging.hpp b/src/util/logging.hpp
new file mode 100644
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--- /dev/null
+++ b/src/util/logging.hpp
@@ -0,0 +1,58 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/**
+* Copyright (c) 2016 Regents of the University of California.
+*
+* This file is part of the nTorrent codebase.
+*
+* nTorrent is free software: you can redistribute it and/or modify it under the
+* terms of the GNU Lesser General Public License as published by the Free Software
+* Foundation, either version 3 of the License, or (at your option) any later version.
+*
+* nTorrent 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 Lesser General Public License for more details.
+*
+* You should have received copies of the GNU General Public License and GNU Lesser
+* General Public License along with nTorrent, e.g., in COPYING.md file. If not, see
+* <http://www.gnu.org/licenses/>.
+*
+* See AUTHORS for complete list of nTorrent authors and contributors.
+*/
+#ifndef UTIL_LOGGING_HPP
+#define UTIL_LOGGING_HPP
+
+#define BOOST_LOG_DYN_LINK 1
+
+#include <boost/log/core.hpp>
+#include <boost/log/sources/global_logger_storage.hpp>
+#include <boost/log/sources/severity_logger.hpp>
+#include <boost/log/trivial.hpp>
+
+enum { SEVERITY_THRESHOLD = boost::log::trivial::warning };
+
+// register a global logger
+BOOST_LOG_INLINE_GLOBAL_LOGGER_DEFAULT(logger, boost::log::sources::severity_logger_mt<boost::log::trivial::severity_level>)
+
+// just a helper macro used by the macros below - don't use it in your code
+#define LOG(severity) BOOST_LOG_SEV(logger::get(), boost::log::trivial::severity)
+
+// ===== log macros =====
+#define LOG_TRACE LOG(trace)
+#define LOG_DEBUG LOG(debug)
+#define LOG_INFO LOG(info)
+#define LOG_WARNING LOG(warning)
+#define LOG_ERROR LOG(error)
+#define LOG_FATAL LOG(fatal)
+
+namespace ndn {
+namespace ntorrent {
+
+struct LoggingUtil {
+ static void init();
+ // Initialize the log for the application. THis method must be called in the main function in
+ // the application before any logging may be performed.
+};
+
+} // end ntorrent
+} // end ndn
+#endif // UTIL_LOGGING_HPP