Enabling logging interface (optionally with log4cxx)
diff --git a/log4cxx.properties b/log4cxx.properties
new file mode 100644
index 0000000..f41c718
--- /dev/null
+++ b/log4cxx.properties
@@ -0,0 +1,21 @@
+# Set root logger level to DEBUG and its only appender to A1.
+log4j.rootLogger=ERROR, A1
+
+# A1 is set to be a ConsoleAppender.
+log4j.appender.A1=org.apache.log4j.ConsoleAppender
+
+# A1 uses PatternLayout.
+log4j.appender.A1.layout=org.apache.log4j.PatternLayout
+log4j.appender.A1.target=System.err
+#log4j.appender.A1.layout.ConversionPattern=%d{dd-MMM HH:MM:SS,SSS} %p %c %m%n
+#log4j.appender.A1.layout.ConversionPattern=%d{hh:mm:ss,SSS} %-14t %-14c %m%n
+log4j.appender.A1.layout.ConversionPattern=%d{ss,SSS} %-12c %m%n
+
+log4j.logger.Sync = TRACE
+#log4j.logger.SyncInterestTable = TRACE
+#log4j.logger.AppDataFetch = TRACE
+log4j.logger.Test = TRACE
+#log4j.logger.bgpparser=TRACE
+#log4j.logger.bgpparser.AttributeType=ERROR
+#log4j.logger.bgpparser.MRTCommonHeader=ERROR
+