Adding boost logging support for NLSR
diff --git a/src/nlsr_logger.cpp b/src/nlsr_logger.cpp
new file mode 100644
index 0000000..af263cd
--- /dev/null
+++ b/src/nlsr_logger.cpp
@@ -0,0 +1,58 @@
+#include "nlsr_logger.hpp"
+
+
+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();
+ }
+
+ typedef sinks::synchronous_sink< sinks::text_file_backend > file_sink;
+ shared_ptr< file_sink > sink(new file_sink(
+ keywords::file_name = "NLSR%Y%m%d%H%M%S_%3N.log", // file name pattern
+ keywords::rotation_size = 128 * 1024 * 1024 ,// rotation size, in characters
+ keywords::time_based_rotation = sinks::file::rotation_at_time_point(12, 0, 0)
+ ));
+
+ sink->locked_backend()->set_file_collector(sinks::file::make_collector(
+ keywords::target = logDirPath, // where to store rotated files
+ keywords::max_size = 64 * 1024 * 1024 * 1024, // maximum total size of the stored files, in bytes
+ keywords::min_free_space = 128 * 1024 * 1024 // minimum free space on the drive, in bytes
+ ));
+
+ sink->set_formatter
+ (
+ expr::format("%1%: %2%")
+ % getEpochTime()
+ % expr::smessage
+ );
+
+ // Add it to the core
+ logging::core::get()->add_sink(sink);
+}