Have you configured the logging so that debug level messages will show? The easiest way to do this is to run nox with -v on the commandine for older versions, or -v -v for the destiny branch.
There's some information about this in the -h help, as well as on the wiki: https://github.com/noxrepo/nox-classic/wiki/FAQ#wiki-How_can_I_configure_the_logging Hope that helps! -- Murphy On Apr 8, 2012, at 7:07 AM, LEO wrote: > Good morning, > > I am trying to link to mysql database in routing.cc（in the get_route > function）. I would like to print something on the screen to make sure that I > successfully link to the database. I tried to use the VLOG_DBG(lg, "…………") > but nothing appeared on the screen. > > I am wondering how to use this VLOG_DBG to print out some message on the > screen? > > My code is as following > ************************************************************************************************************************ > Routing_module::get_route(const RouteId& id, RoutePtr& route) const > { > > MYSQL_RES* res; > MYSQL mysql; > mysql_init(&mysql); > > if(!mysql_real_connect(&mysql,"localhost","root","123456","rule",0,NULL,0)) > { > VLOG_DBG(lg, "Not able to link to the database"); > } > > VLOG_DBG(lg, "Successfully link to the database"); > …… > } > ************************************************************************************************************************* > >
