diff --git a/logging.h b/logging.h
new file mode 100644
index 0000000..2aa3344
--- /dev/null
+++ b/logging.h
@@ -0,0 +1,84 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil -*- */
+/*
+ * Copyright (c) 2013, Regents of the University of California
+ *                     Alexander Afanasyev
+ *                     Zhenkai Zhu
+ *
+ * BSD license, See the LICENSE file for more information
+ *
+ * Author: Alexander Afanasyev <alexander.afanasyev@ucla.edu>
+ *         Zhenkai Zhu <zhenkai@cs.ucla.edu>
+ */
+
+#ifndef LOGGING_H
+#define LOGGING_H
+
+#include "config.h"
+
+#ifdef HAVE_LOG4CXX
+
+#include <log4cxx/logger.h>
+
+#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 ();
+
+#else // else HAVE_LOG4CXX
+
+#define INIT_LOGGER(name)
+#define _LOG_FUNCTION(x)
+#define _LOG_FUNCTION_NOARGS
+#define _LOG_TRACE(x)
+#define INIT_LOGGERS(x)
+#define _LOG_ERROR(x)
+#define _LOG_ERROR_COND(cond,x)
+#define _LOG_DEBUG_COND(cond,x)
+
+#define MEMBER_LOGGER
+#define INIT_MEMBER_LOGGER(className,name)
+
+#ifdef _DEBUG
+
+#include <boost/thread/thread.hpp>
+#include <boost/date_time/posix_time/posix_time.hpp>
+#include <iostream>
+
+#define _LOG_DEBUG(x) \
+  std::clog << boost::get_system_time () << " " << boost::this_thread::get_id () << " " << x << std::endl;
+
+#else
+#define _LOG_DEBUG(x)
+#endif
+
+#endif // HAVE_LOG4CXX
+
+#endif // LOGGING_H