code: def is_allowed(self, name_or_class, mask):  # pragma: no cover
          
          if isinstance(name_or_class, type):
              name = name_or_class.type
          else:
              name = name_or_class
          info = self.connections[name]
          limit = self.config[name + '_limit']
          if limit and info['total'] >= limit:
              msg = (
                  "Sorry, there is too much DCC %s active. Please try again "
                  "later.") % name.upper()
              self.bot.notice(mask, msg)
              return False
          if mask not in info['masks']:
              return True
          limit = self.config[name + '_user_limit']
          if limit and info['masks'][mask] >= limit:
              msg = (
                  "Sorry, you have too many DCC %s active. Close the other "
                  "connection(s) or wait a few seconds and try again."
              ) % name.upper()
              self.bot.notice(mask, msg)
              return False
          return True
docs: Return True is a new connection is allowed