def addServer(self, normalPort, sslPort, f, name):
        """
        Add a TCP and an SSL server. Name them `name` and `name`+'s'.

        @param normalPort:
        @param sslPort:
        @param f:
        @param name:
        """
        tcp = internet.TCPServer(normalPort, f)
        tcp.setName(name)
        self.servers.append(tcp)
        if sslPort is not None:
            ssl = internet.SSLServer(sslPort, f, contextFactory=self.sslfac)
            ssl.setName(name+'s')
            self.servers.append(ssl)