inline char const* time_now_string()
{
static std::ostringstream oss;
if (oss.str().empty())
{
boost::posix_time::time_facet* _facet = new boost::posix_time::time_facet("%Y-%m-%d %H:%M:%S.%f");
oss.imbue(std::locale(std::locale::classic(), _facet));
}
oss.str("");
oss << boost::posix_time::microsec_clock::local_time();
std::string s = oss.str();
if (s.size() > 3)
s = std::string(s.substr(0, s.size() - 3));
static char str[200];
std::sprintf(str, "%s ", s.c_str());
return str;
}
