def METHOD_NAME(self, host, port):
    self.host = host
    connection = (host, port)
    if self.keyfile and self.certfile:
        server = StreamServer(
            connection, self.handle, keyfile=self.keyfile, certfile=self.certfile
        )
    else:
        server = StreamServer(connection, self.handle)
    self.port = server.server_port
    logger.info(
        "%s proxy server started, listening on %s, proxy for: (%s, %s) using %s decoder.",
        self.name,
        connection,
        self.proxy_host,
        self.proxy_port,
        self.decoder,
    )
    return server