+/**
+ * Create a topology for ats testing
+ *
+ * @param name test name
+ * @param cfg_file configuration file to use for the peers
+ * @param num_slaves number of slaves
+ * @param num_masters number of masters
+ * @param test_core connect to CORE service (GNUNET_YES) or transport (GNUNET_NO)
+ * @param done_cb function to call when topology is setup
+ * @param done_cb_cls cls for callback
+ * @param recv_cb callback to call when data are received
+ * @param perf_cb callback to call when performance info are received
+ */