+static int
+tcp_test_clients_init (vlib_main_t * vm)
+{
+ tclient_main_t *tm = &tclient_main;
+ int i;
+
+ tclient_api_hookup (vm);
+ if (create_api_loopback (tm))
+ return -1;
+
+ /* Init test data */
+ vec_validate (tm->connect_test_data, 64 * 1024 - 1);
+ for (i = 0; i < vec_len (tm->connect_test_data); i++)
+ tm->connect_test_data[i] = i & 0xff;
+
+ tm->session_index_by_vpp_handles = hash_create (0, sizeof (uword));
+ vec_validate (tm->rx_buf, vec_len (tm->connect_test_data) - 1);
+
+ tm->is_init = 1;
+
+ return 0;
+}
+
+static void
+builtin_session_reset_callback (stream_session_t * s)
+{
+ return;
+}
+
+static int
+builtin_session_create_callback (stream_session_t * s)
+{
+ return 0;
+}
+
+static void
+builtin_session_disconnect_callback (stream_session_t * s)
+{
+ return;
+}
+
+static int
+builtin_server_rx_callback (stream_session_t * s)
+{
+ return 0;
+}
+
+/* *INDENT-OFF* */
+static session_cb_vft_t builtin_clients =
+ {
+ .session_reset_callback = builtin_session_reset_callback,
+ .session_connected_callback = send_session_connected_callback,
+ .session_accept_callback = builtin_session_create_callback,
+ .session_disconnect_callback = builtin_session_disconnect_callback,
+ .builtin_server_rx_callback = builtin_server_rx_callback
+ };
+/* *INDENT-ON* */
+
+static int
+attach_builtin_test_clients ()
+{
+ tclient_main_t *tm = &tclient_main;
+ vnet_app_attach_args_t _a, *a = &_a;
+ u8 segment_name[128];
+ u32 segment_name_length;
+ u64 options[16];
+
+ segment_name_length = ARRAY_LEN (segment_name);
+
+ memset (a, 0, sizeof (*a));
+ memset (options, 0, sizeof (options));
+
+ a->api_client_index = tm->my_client_index;
+ a->segment_name = segment_name;
+ a->segment_name_length = segment_name_length;
+ a->session_cb_vft = &builtin_clients;
+
+ options[SESSION_OPTIONS_ACCEPT_COOKIE] = 0x12345678;
+ options[SESSION_OPTIONS_SEGMENT_SIZE] = (2 << 30); /*$$$$ config / arg */
+ options[APP_OPTIONS_FLAGS] = APP_OPTIONS_FLAGS_BUILTIN_APP;
+
+ a->options = options;
+
+ return vnet_application_attach (a);
+}