lib/command/connection/ping.js
function execute(req, res) {
  if(req.args.length) return res.send(null, req.args[0]);
  res.send(null, Constants.PONG);
}
function execute(req, res) {
  if(req.args.length) return res.send(null, req.args[0]);
  res.send(null, Constants.PONG);
}
function execute ( req , res ) { if ( req . args . length ) return res . send ( null , req . args [ 0 ] ) ; res . send ( null , Constants . PONG ) ; }
Respond to the PING command.
Respond to the PING command .