# Start listening on `host:port`.
	fun listen(host: String, port: Int) do
		var iface = "{host}:{port}"
		var vh = new VirtualHost(iface)

		vh.routes.add new Route("/", self)

		var fac = new HttpFactory.and_libevent
		fac.config.virtual_hosts.add vh

		if not quiet then
			print "Launching server on http://{iface}/"
		end
		fac.run
	end