Directory Structuring
diff --git a/src/utility/nlsr_logger.cpp b/src/utility/nlsr_logger.cpp
new file mode 100644
index 0000000..804ef98
--- /dev/null
+++ b/src/utility/nlsr_logger.cpp
@@ -0,0 +1,59 @@
+#include "nlsr_logger.hpp"
+
+namespace nlsr
+{
+
+ string
+ NlsrLogger::getEpochTime()
+ {
+ std::stringstream ss;
+ boost::posix_time::ptime time_t_epoch(boost::gregorian::date(1970,1,1));
+ boost::posix_time::ptime now = boost::posix_time::microsec_clock::local_time();
+ boost::posix_time::time_duration diff = now - time_t_epoch;
+ ss<<diff.total_seconds()<<"."<<boost::format("%06i")%(diff.total_microseconds()
+ %1000000);
+ return ss.str();
+ }
+
+ string
+ NlsrLogger::getUserHomeDirectory()
+ {
+ string homeDirPath(getpwuid(getuid())->pw_dir);
+ if( homeDirPath.empty() )
+ {
+ homeDirPath = getenv("HOME");
+ }
+ return homeDirPath;
+ }
+
+ void
+ NlsrLogger::initNlsrLogger(std::string dirPath)
+ {
+ string logDirPath(dirPath);
+ if( dirPath.empty() )
+ {
+ logDirPath=getUserHomeDirectory()+"/nlsrLog";
+ }
+ cout<<"Log Dir Path: "<< logDirPath<<endl;
+ typedef sinks::synchronous_sink< sinks::text_file_backend > file_sink;
+ shared_ptr< file_sink > sink(new file_sink(
+ keywords::file_name = logDirPath
+ +"/NLSR%Y%m%d%H%M%S_%3N.log",
+ keywords::rotation_size = 128 * 1024 * 1024,
+ keywords::time_based_rotation = sinks::file::rotation_at_time_point(12, 0, 0),
+ keywords::auto_flush = true
+ ));
+ sink->locked_backend()->set_file_collector(sinks::file::make_collector(
+ keywords::target = logDirPath,
+ keywords::max_size = 16 * 1024 * 1024 * 1024,
+ keywords::min_free_space = 128 * 1024 * 1024
+ ));
+ sink->set_formatter(
+ expr::format("%1%: %2%")
+ % getEpochTime()
+ % expr::smessage
+ );
+ logging::core::get()->add_sink(sink);
+ }
+
+}//namespace nlsr