core: Add core module for shared code
This commit also makes log4cxx dependency required
diff --git a/core/logging.hpp b/core/logging.hpp
new file mode 100644
index 0000000..86e1bf0
--- /dev/null
+++ b/core/logging.hpp
@@ -0,0 +1,65 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/**
+ * Copyright (c) 2013-2016, Regents of the University of California.
+ *
+ * This file is part of ChronoShare, a decentralized file sharing application over NDN.
+ *
+ * ChronoShare 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.
+ *
+ * ChronoShare 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 copies of the GNU General Public License along with
+ * ChronoShare, e.g., in COPYING.md file. If not, see <http://www.gnu.org/licenses/>.
+ *
+ * See AUTHORS.md for complete list of ChronoShare authors and contributors.
+ */
+
+#ifndef CHRONOSHARE_CORE_LOGGING_HPP
+#define CHRONOSHARE_CORE_LOGGING_HPP
+
+#include "core/chronoshare-config.hpp"
+
+#include <log4cxx/logger.h>
+
+namespace ndn {
+namespace chronoshare {
+
+#define MEMBER_LOGGER static log4cxx::LoggerPtr staticModuleLogger;
+
+#define INIT_MEMBER_LOGGER(className, name) \
+ log4cxx::LoggerPtr className::staticModuleLogger = log4cxx::Logger::getLogger(name);
+
+#define INIT_LOGGER(name) \
+ static log4cxx::LoggerPtr staticModuleLogger = log4cxx::Logger::getLogger(name);
+
+#define _LOG_DEBUG(x) LOG4CXX_DEBUG(staticModuleLogger, x);
+
+#define _LOG_TRACE(x) LOG4CXX_TRACE(staticModuleLogger, x);
+
+#define _LOG_FUNCTION(x) LOG4CXX_TRACE(staticModuleLogger, __FUNCTION__ << "(" << x << ")");
+
+#define _LOG_FUNCTION_NOARGS LOG4CXX_TRACE(staticModuleLogger, __FUNCTION__ << "()");
+
+#define _LOG_ERROR(x) LOG4CXX_ERROR(staticModuleLogger, x);
+
+#define _LOG_ERROR_COND(cond, x) \
+ if (cond) { \
+ _LOG_ERROR(x) \
+ }
+
+#define _LOG_DEBUG_COND(cond, x) \
+ if (cond) { \
+ _LOG_DEBUG(x) \
+ }
+
+void
+INIT_LOGGERS();
+
+} // chronoshare
+} // ndn
+
+#endif // CHRONOSHARE_CORE_LOGGING_HPP