crossdock/server/server.go
func (s *Server) Port() string {
	hostPortSplit := strings.Split(s.HostPort, ":")
	port := hostPortSplit[len(hostPortSplit)-1]
	return port
}
func (s *Server) Port() string {
	hostPortSplit := strings.Split(s.HostPort, ":")
	port := hostPortSplit[len(hostPortSplit)-1]
	return port
}
// Port returns the actual port the server listens to