session: move builtin apps to their own folder

This consolidates builtin apps under session-apps folder. It also
removes duplicate builtin echo server/client implementations.

Change-Id: I75ed879399c5aa9b75b1eb38b33aedf69dd8df3f
Signed-off-by: Florin Coras <fcoras@cisco.com>

6 files changed, 0 insertions, 2782 deletions

diff --git a/src/vnet/tcp/builtin_client.c b/src/vnet/tcp/builtin_client.c
deleted file mode 100644
index 2784591731e..00000000000
--- a/src/vnet/tcp/builtin_client.c
+++ /dev/null
@@ -1,819 +0,0 @@
-/*
- * builtin_client.c - vpp built-in tcp client/connect code
- *
- * Copyright (c) 2017 by Cisco and/or its affiliates.
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at:
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include <vnet/vnet.h>
-#include <vnet/plugin/plugin.h>
-#include <vnet/tcp/builtin_client.h>
-
-#include <vlibapi/api.h>
-#include <vlibmemory/api.h>
-#include <vpp/app/version.h>
-
-tclient_main_t tclient_main;
-
-#define TCP_BUILTIN_CLIENT_DBG (0)
-
-static void
-signal_evt_to_cli_i (int *code)
-{
-  tclient_main_t *tm = &tclient_main;
-  ASSERT (vlib_get_thread_index () == 0);
-  vlib_process_signal_event (tm->vlib_main, tm->cli_node_index, *code, 0);
-}
-
-static void
-signal_evt_to_cli (int code)
-{
-  if (vlib_get_thread_index () != 0)
-    vl_api_rpc_call_main_thread (signal_evt_to_cli_i, (u8 *) & code,
-				 sizeof (code));
-  else
-    signal_evt_to_cli_i (&code);
-}
-
-static void
-send_test_chunk (tclient_main_t * tm, session_t * s)
-{
-  u8 *test_data = tm->connect_test_data;
-  int test_buf_offset;
-  u32 bytes_this_chunk;
-  session_fifo_event_t evt;
-  svm_fifo_t *txf;
-  int rv;
-
-  ASSERT (vec_len (test_data) > 0);
-
-  test_buf_offset = s->bytes_sent % vec_len (test_data);
-  bytes_this_chunk = vec_len (test_data) - test_buf_offset;
-
-  bytes_this_chunk = bytes_this_chunk < s->bytes_to_send
-    ? bytes_this_chunk : s->bytes_to_send;
-
-  txf = s->server_tx_fifo;
-  rv = svm_fifo_enqueue_nowait (txf, bytes_this_chunk,
-				test_data + test_buf_offset);
-
-  /* If we managed to enqueue data... */
-  if (rv > 0)
-    {
-      /* Account for it... */
-      s->bytes_to_send -= rv;
-      s->bytes_sent += rv;
-
-      if (TCP_BUILTIN_CLIENT_DBG)
-	{
-          /* *INDENT-OFF* */
-          ELOG_TYPE_DECLARE (e) =
-            {
-              .format = "tx-enq: xfer %d bytes, sent %u remain %u",
-              .format_args = "i4i4i4",
-            };
-          /* *INDENT-ON* */
-	  struct
-	  {
-	    u32 data[3];
-	  } *ed;
-	  ed = ELOG_DATA (&vlib_global_main.elog_main, e);
-	  ed->data[0] = rv;
-	  ed->data[1] = s->bytes_sent;
-	  ed->data[2] = s->bytes_to_send;
-	}
-
-      /* Poke the session layer */
-      if (svm_fifo_set_event (txf))
-	{
-	  /* Fabricate TX event, send to vpp */
-	  evt.fifo = txf;
-	  evt.event_type = FIFO_EVENT_APP_TX;
-
-	  if (svm_queue_add
-	      (tm->vpp_event_queue[txf->master_thread_index], (u8 *) & evt,
-	       0 /* do wait for mutex */ ))
-	    clib_warning ("could not enqueue event");
-	}
-    }
-}
-
-static void
-receive_test_chunk (tclient_main_t * tm, session_t * s)
-{
-  svm_fifo_t *rx_fifo = s->server_rx_fifo;
-  u32 my_thread_index = vlib_get_thread_index ();
-  int n_read, i;
-
-  /* Allow enqueuing of new event */
-  // svm_fifo_unset_event (rx_fifo);
-
-  if (tm->test_bytes)
-    {
-      n_read = svm_fifo_dequeue_nowait (rx_fifo,
-					vec_len (tm->rx_buf[my_thread_index]),
-					tm->rx_buf[my_thread_index]);
-    }
-  else
-    {
-      n_read = svm_fifo_max_dequeue (rx_fifo);
-      svm_fifo_dequeue_drop (rx_fifo, n_read);
-    }
-
-  if (n_read > 0)
-    {
-      if (TCP_BUILTIN_CLIENT_DBG)
-	{
-          /* *INDENT-OFF* */
-          ELOG_TYPE_DECLARE (e) =
-            {
-              .format = "rx-deq: %d bytes",
-              .format_args = "i4",
-            };
-          /* *INDENT-ON* */
-	  struct
-	  {
-	    u32 data[1];
-	  } *ed;
-	  ed = ELOG_DATA (&vlib_global_main.elog_main, e);
-	  ed->data[0] = n_read;
-	}
-
-      if (tm->test_bytes)
-	{
-	  for (i = 0; i < n_read; i++)
-	    {
-	      if (tm->rx_buf[my_thread_index][i]
-		  != ((s->bytes_received + i) & 0xff))
-		{
-		  clib_warning ("read %d error at byte %lld, 0x%x not 0x%x",
-				n_read, s->bytes_received + i,
-				tm->rx_buf[my_thread_index][i],
-				((s->bytes_received + i) & 0xff));
-		  tm->test_failed = 1;
-		}
-	    }
-	}
-      s->bytes_to_receive -= n_read;
-      s->bytes_received += n_read;
-    }
-}
-
-static uword
-builtin_client_node_fn (vlib_main_t * vm, vlib_node_runtime_t * node,
-			vlib_frame_t * frame)
-{
-  tclient_main_t *tm = &tclient_main;
-  int my_thread_index = vlib_get_thread_index ();
-  session_t *sp;
-  int i;
-  int delete_session;
-  u32 *connection_indices;
-  u32 *connections_this_batch;
-  u32 nconnections_this_batch;
-
-  connection_indices = tm->connection_index_by_thread[my_thread_index];
-  connections_this_batch =
-    tm->connections_this_batch_by_thread[my_thread_index];
-
-  if ((tm->run_test == 0) ||
-      ((vec_len (connection_indices) == 0)
-       && vec_len (connections_this_batch) == 0))
-    return 0;
-
-  /* Grab another pile of connections */
-  if (PREDICT_FALSE (vec_len (connections_this_batch) == 0))
-    {
-      nconnections_this_batch =
-	clib_min (tm->connections_per_batch, vec_len (connection_indices));
-
-      ASSERT (nconnections_this_batch > 0);
-      vec_validate (connections_this_batch, nconnections_this_batch - 1);
-      clib_memcpy (connections_this_batch,
-		   connection_indices + vec_len (connection_indices)
-		   - nconnections_this_batch,
-		   nconnections_this_batch * sizeof (u32));
-      _vec_len (connection_indices) -= nconnections_this_batch;
-    }
-
-  if (PREDICT_FALSE (tm->prev_conns != tm->connections_per_batch
-		     && tm->prev_conns == vec_len (connections_this_batch)))
-    {
-      tm->repeats++;
-      tm->prev_conns = vec_len (connections_this_batch);
-      if (tm->repeats == 500000)
-	{
-	  clib_warning ("stuck clients");
-	}
-    }
-  else
-    {
-      tm->prev_conns = vec_len (connections_this_batch);
-      tm->repeats = 0;
-    }
-
-  for (i = 0; i < vec_len (connections_this_batch); i++)
-    {
-      delete_session = 1;
-
-      sp = pool_elt_at_index (tm->sessions, connections_this_batch[i]);
-
-      if (sp->bytes_to_send > 0)
-	{
-	  send_test_chunk (tm, sp);
-	  delete_session = 0;
-	}
-      if (sp->bytes_to_receive > 0)
-	{
-	  receive_test_chunk (tm, sp);
-	  delete_session = 0;
-	}
-      if (PREDICT_FALSE (delete_session == 1))
-	{
-	  u32 index, thread_index;
-	  stream_session_t *s;
-
-	  __sync_fetch_and_add (&tm->tx_total, sp->bytes_sent);
-	  __sync_fetch_and_add (&tm->rx_total, sp->bytes_received);
-
-	  session_parse_handle (sp->vpp_session_handle,
-				&index, &thread_index);
-	  s = session_get_if_valid (index, thread_index);
-
-	  if (s)
-	    {
-	      vnet_disconnect_args_t _a, *a = &_a;
-	      a->handle = session_handle (s);
-	      a->app_index = tm->app_index;
-	      vnet_disconnect_session (a);
-
-	      vec_delete (connections_this_batch, 1, i);
-	      i--;
-	      __sync_fetch_and_add (&tm->ready_connections, -1);
-	    }
-	  else
-	    clib_warning ("session AWOL?");
-
-	  /* Kick the debug CLI process */
-	  if (tm->ready_connections == 0)
-	    {
-	      signal_evt_to_cli (2);
-	    }
-	}
-    }
-
-  tm->connection_index_by_thread[my_thread_index] = connection_indices;
-  tm->connections_this_batch_by_thread[my_thread_index] =
-    connections_this_batch;
-  return 0;
-}
-
-/* *INDENT-OFF* */
-VLIB_REGISTER_NODE (builtin_client_node) =
-{
-  .function = builtin_client_node_fn,
-  .name = "builtin-tcp-client",
-  .type = VLIB_NODE_TYPE_INPUT,
-  .state = VLIB_NODE_STATE_DISABLED,
-};
-/* *INDENT-ON* */
-
-static int
-create_api_loopback (tclient_main_t * tm)
-{
-  api_main_t *am = &api_main;
-  vl_shmem_hdr_t *shmem_hdr;
-
-  shmem_hdr = am->shmem_hdr;
-  tm->vl_input_queue = shmem_hdr->vl_input_queue;
-  tm->my_client_index = vl_api_memclnt_create_internal ("tcp_test_client",
-							tm->vl_input_queue);
-  return 0;
-}
-
-static int
-tcp_test_clients_init (vlib_main_t * vm)
-{
-  tclient_main_t *tm = &tclient_main;
-  vlib_thread_main_t *vtm = vlib_get_thread_main ();
-  u32 num_threads;
-  int i;
-
-  if (create_api_loopback (tm))
-    return -1;
-
-  num_threads = 1 /* main thread */  + vtm->n_threads;
-
-  /* Init test data. Big buffer */
-  vec_validate (tm->connect_test_data, 1024 * 1024 - 1);
-  for (i = 0; i < vec_len (tm->connect_test_data); i++)
-    tm->connect_test_data[i] = i & 0xff;
-
-  vec_validate (tm->rx_buf, num_threads - 1);
-  for (i = 0; i < num_threads; i++)
-    vec_validate (tm->rx_buf[i], vec_len (tm->connect_test_data) - 1);
-
-  tm->is_init = 1;
-
-  vec_validate (tm->connection_index_by_thread, vtm->n_vlib_mains);
-  vec_validate (tm->connections_this_batch_by_thread, vtm->n_vlib_mains);
-  vec_validate (tm->vpp_event_queue, vtm->n_vlib_mains);
-
-  return 0;
-}
-
-static int
-builtin_session_connected_callback (u32 app_index, u32 api_context,
-				    stream_session_t * s, u8 is_fail)
-{
-  tclient_main_t *tm = &tclient_main;
-  session_t *session;
-  u32 session_index;
-  u8 thread_index = vlib_get_thread_index ();
-
-  if (is_fail)
-    {
-      clib_warning ("connection %d failed!", api_context);
-      signal_evt_to_cli (-1);
-      return 0;
-    }
-
-  ASSERT (s->thread_index == thread_index);
-
-  if (!tm->vpp_event_queue[thread_index])
-    tm->vpp_event_queue[thread_index] =
-      session_manager_get_vpp_event_queue (thread_index);
-
-  /*
-   * Setup session
-   */
-  clib_spinlock_lock_if_init (&tm->sessions_lock);
-  pool_get (tm->sessions, session);
-  clib_spinlock_unlock_if_init (&tm->sessions_lock);
-
-  memset (session, 0, sizeof (*session));
-  session_index = session - tm->sessions;
-  session->bytes_to_send = tm->bytes_to_send;
-  session->bytes_to_receive = tm->no_return ? 0ULL : tm->bytes_to_send;
-  session->server_rx_fifo = s->server_rx_fifo;
-  session->server_rx_fifo->client_session_index = session_index;
-  session->server_tx_fifo = s->server_tx_fifo;
-  session->server_tx_fifo->client_session_index = session_index;
-  session->vpp_session_handle = session_handle (s);
-
-  vec_add1 (tm->connection_index_by_thread[thread_index], session_index);
-  __sync_fetch_and_add (&tm->ready_connections, 1);
-  if (tm->ready_connections == tm->expected_connections)
-    {
-      tm->run_test = 1;
-      /* Signal the CLI process that the action is starting... */
-      signal_evt_to_cli (1);
-    }
-
-  return 0;
-}
-
-static void
-builtin_session_reset_callback (stream_session_t * s)
-{
-  if (s->session_state == SESSION_STATE_READY)
-    clib_warning ("Reset active connection %U", format_stream_session, s, 2);
-  stream_session_cleanup (s);
-  return;
-}
-
-static int
-builtin_session_create_callback (stream_session_t * s)
-{
-  return 0;
-}
-
-static void
-builtin_session_disconnect_callback (stream_session_t * s)
-{
-  tclient_main_t *tm = &tclient_main;
-  vnet_disconnect_args_t _a, *a = &_a;
-  a->handle = session_handle (s);
-  a->app_index = tm->app_index;
-  vnet_disconnect_session (a);
-  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 = builtin_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 clib_error_t *
-attach_builtin_test_clients_app (u8 * appns_id, u64 appns_flags,
-				 u64 appns_secret)
-{
-  u32 prealloc_fifos, segment_size = 2 << 20;
-  tclient_main_t *tm = &tclient_main;
-  vnet_app_attach_args_t _a, *a = &_a;
-  u64 options[16];
-  clib_error_t *error = 0;
-
-  memset (a, 0, sizeof (*a));
-  memset (options, 0, sizeof (options));
-
-  a->api_client_index = tm->my_client_index;
-  a->session_cb_vft = &builtin_clients;
-
-  prealloc_fifos = tm->prealloc_fifos ? tm->expected_connections : 1;
-
-  if (tm->private_segment_size)
-    segment_size = tm->private_segment_size;
-
-  options[APP_OPTIONS_ACCEPT_COOKIE] = 0x12345678;
-  options[APP_OPTIONS_SEGMENT_SIZE] = segment_size;
-  options[APP_OPTIONS_RX_FIFO_SIZE] = tm->fifo_size;
-  options[APP_OPTIONS_TX_FIFO_SIZE] = tm->fifo_size;
-  options[APP_OPTIONS_PRIVATE_SEGMENT_COUNT] = tm->private_segment_count;
-  options[APP_OPTIONS_PREALLOC_FIFO_PAIRS] = prealloc_fifos;
-
-  options[APP_OPTIONS_FLAGS] = APP_OPTIONS_FLAGS_IS_BUILTIN;
-  if (appns_id)
-    {
-      options[APP_OPTIONS_FLAGS] |= appns_flags;
-      options[APP_OPTIONS_NAMESPACE_SECRET] = appns_secret;
-    }
-  a->options = options;
-  a->namespace_id = appns_id;
-
-  if ((error = vnet_application_attach (a)))
-    return error;
-
-  tm->app_index = a->app_index;
-  return 0;
-}
-
-static void *
-tclient_thread_fn (void *arg)
-{
-  return 0;
-}
-
-/** Start a transmit thread */
-int
-start_tx_pthread (tclient_main_t * tm)
-{
-  if (tm->client_thread_handle == 0)
-    {
-      int rv = pthread_create (&tm->client_thread_handle,
-			       NULL /*attr */ ,
-			       tclient_thread_fn, 0);
-      if (rv)
-	{
-	  tm->client_thread_handle = 0;
-	  return -1;
-	}
-    }
-  return 0;
-}
-
-clib_error_t *
-clients_connect (vlib_main_t * vm, u8 * uri, u32 n_clients)
-{
-  tclient_main_t *tm = &tclient_main;
-  vnet_connect_args_t _a, *a = &_a;
-  clib_error_t *error = 0;
-  int i;
-  for (i = 0; i < n_clients; i++)
-    {
-      memset (a, 0, sizeof (*a));
-
-      a->uri = (char *) uri;
-      a->api_context = i;
-      a->app_index = tm->app_index;
-      a->mp = 0;
-
-      if ((error = vnet_connect_uri (a)))
-	return error;
-
-
-      /* Crude pacing for call setups  */
-      if ((i % 4) == 0)
-	vlib_process_suspend (vm, 10e-6);
-      ASSERT (i + 1 >= tm->ready_connections);
-      while (i + 1 - tm->ready_connections > 1000)
-	{
-	  vlib_process_suspend (vm, 100e-6);
-	}
-    }
-  return 0;
-}
-
-#define CLI_OUTPUT(_fmt, _args...) 			\
-  if (!tm->no_output)  					\
-    vlib_cli_output(vm, _fmt, ##_args)
-
-static clib_error_t *
-test_tcp_clients_command_fn (vlib_main_t * vm,
-			     unformat_input_t * input,
-			     vlib_cli_command_t * cmd)
-{
-  tclient_main_t *tm = &tclient_main;
-  vlib_thread_main_t *thread_main = vlib_get_thread_main ();
-  uword *event_data = 0, event_type;
-  u8 *default_connect_uri = (u8 *) "tcp://6.0.1.1/1234", *uri, *appns_id = 0;
-  u64 tmp, total_bytes, appns_flags = 0, appns_secret = 0;
-  f64 test_timeout = 20.0, syn_timeout = 20.0, delta;
-  f64 time_before_connects;
-  u32 n_clients = 1;
-  int preallocate_sessions = 0;
-  char *transfer_type;
-  clib_error_t *error = 0;
-  int i;
-
-  tm->bytes_to_send = 8192;
-  tm->no_return = 0;
-  tm->fifo_size = 64 << 10;
-  tm->connections_per_batch = 1000;
-  tm->private_segment_count = 0;
-  tm->private_segment_size = 0;
-  tm->no_output = 0;
-  tm->test_bytes = 0;
-  tm->test_failed = 0;
-  tm->vlib_main = vm;
-  if (thread_main->n_vlib_mains > 1)
-    clib_spinlock_init (&tm->sessions_lock);
-  vec_free (tm->connect_uri);
-
-  while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
-    {
-      if (unformat (input, "nclients %d", &n_clients))
-	;
-      else if (unformat (input, "mbytes %lld", &tmp))
-	tm->bytes_to_send = tmp << 20;
-      else if (unformat (input, "gbytes %lld", &tmp))
-	tm->bytes_to_send = tmp << 30;
-      else if (unformat (input, "bytes %lld", &tm->bytes_to_send))
-	;
-      else if (unformat (input, "uri %s", &tm->connect_uri))
-	;
-      else if (unformat (input, "test-timeout %f", &test_timeout))
-	;
-      else if (unformat (input, "syn-timeout %f", &syn_timeout))
-	;
-      else if (unformat (input, "no-return"))
-	tm->no_return = 1;
-      else if (unformat (input, "fifo-size %d", &tm->fifo_size))
-	tm->fifo_size <<= 10;
-      else if (unformat (input, "private-segment-count %d",
-			 &tm->private_segment_count))
-	;
-      else if (unformat (input, "private-segment-size %U",
-			 unformat_memory_size, &tmp))
-	{
-	  if (tmp >= 0x100000000ULL)
-	    return clib_error_return
-	      (0, "private segment size %lld (%llu) too large", tmp, tmp);
-	  tm->private_segment_size = tmp;
-	}
-      else if (unformat (input, "preallocate-fifos"))
-	tm->prealloc_fifos = 1;
-      else if (unformat (input, "preallocate-sessions"))
-	preallocate_sessions = 1;
-      else
-	if (unformat (input, "client-batch %d", &tm->connections_per_batch))
-	;
-      else if (unformat (input, "appns %_%v%_", &appns_id))
-	;
-      else if (unformat (input, "all-scope"))
-	appns_flags |= (APP_OPTIONS_FLAGS_USE_GLOBAL_SCOPE
-			| APP_OPTIONS_FLAGS_USE_LOCAL_SCOPE);
-      else if (unformat (input, "local-scope"))
-	appns_flags = APP_OPTIONS_FLAGS_USE_LOCAL_SCOPE;
-      else if (unformat (input, "global-scope"))
-	appns_flags = APP_OPTIONS_FLAGS_USE_GLOBAL_SCOPE;
-      else if (unformat (input, "secret %lu", &appns_secret))
-	;
-      else if (unformat (input, "no-output"))
-	tm->no_output = 1;
-      else if (unformat (input, "test-bytes"))
-	tm->test_bytes = 1;
-      else
-	return clib_error_return (0, "unknown input `%U'",
-				  format_unformat_error, input);
-    }
-
-  /* Store cli process node index for signalling */
-  tm->cli_node_index = vlib_get_current_process (vm)->node_runtime.node_index;
-
-  if (tm->is_init == 0)
-    {
-      if (tcp_test_clients_init (vm))
-	return clib_error_return (0, "failed init");
-    }
-
-
-  tm->ready_connections = 0;
-  tm->expected_connections = n_clients;
-  tm->rx_total = 0;
-  tm->tx_total = 0;
-
-  uri = default_connect_uri;
-  if (tm->connect_uri)
-    uri = tm->connect_uri;
-
-#if TCP_BUILTIN_CLIENT_PTHREAD
-  start_tx_pthread ();
-#endif
-
-  vlib_worker_thread_barrier_sync (vm);
-  vnet_session_enable_disable (vm, 1 /* turn on TCP, etc. */ );
-  vlib_worker_thread_barrier_release (vm);
-
-  if (tm->test_client_attached == 0)
-    {
-      if ((error = attach_builtin_test_clients_app (appns_id, appns_flags,
-						    appns_secret)))
-	{
-	  vec_free (appns_id);
-	  clib_error_report (error);
-	  return error;
-	}
-      vec_free (appns_id);
-    }
-  tm->test_client_attached = 1;
-
-  /* Turn on the builtin client input nodes */
-  for (i = 0; i < thread_main->n_vlib_mains; i++)
-    vlib_node_set_state (vlib_mains[i], builtin_client_node.index,
-			 VLIB_NODE_STATE_POLLING);
-
-  if (preallocate_sessions)
-    {
-      session_t *sp __attribute__ ((unused));
-      for (i = 0; i < n_clients; i++)
-	pool_get (tm->sessions, sp);
-      for (i = 0; i < n_clients; i++)
-	pool_put_index (tm->sessions, i);
-    }
-
-  /* Fire off connect requests */
-  time_before_connects = vlib_time_now (vm);
-  if ((error = clients_connect (vm, uri, n_clients)))
-    return error;
-
-  /* Park until the sessions come up, or ten seconds elapse... */
-  vlib_process_wait_for_event_or_clock (vm, syn_timeout);
-  event_type = vlib_process_get_events (vm, &event_data);
-  switch (event_type)
-    {
-    case ~0:
-      CLI_OUTPUT ("Timeout with only %d sessions active...",
-		  tm->ready_connections);
-      error = clib_error_return (0, "failed: syn timeout with %d sessions",
-				 tm->ready_connections);
-      goto cleanup;
-
-    case 1:
-      delta = vlib_time_now (vm) - time_before_connects;
-      if (delta != 0.0)
-	CLI_OUTPUT ("%d three-way handshakes in %.2f seconds %.2f/s",
-		    n_clients, delta, ((f64) n_clients) / delta);
-
-      tm->test_start_time = vlib_time_now (tm->vlib_main);
-      CLI_OUTPUT ("Test started at %.6f", tm->test_start_time);
-      break;
-
-    default:
-      CLI_OUTPUT ("unexpected event(1): %d", event_type);
-      error = clib_error_return (0, "failed: unexpected event(1): %d",
-				 event_type);
-      goto cleanup;
-    }
-
-  /* Now wait for the sessions to finish... */
-  vlib_process_wait_for_event_or_clock (vm, test_timeout);
-  event_type = vlib_process_get_events (vm, &event_data);
-  switch (event_type)
-    {
-    case ~0:
-      CLI_OUTPUT ("Timeout with %d sessions still active...",
-		  tm->ready_connections);
-      error = clib_error_return (0, "failed: timeout with %d sessions",
-				 tm->ready_connections);
-      goto cleanup;
-
-    case 2:
-      tm->test_end_time = vlib_time_now (vm);
-      CLI_OUTPUT ("Test finished at %.6f", tm->test_end_time);
-      break;
-
-    default:
-      CLI_OUTPUT ("unexpected event(2): %d", event_type);
-      error = clib_error_return (0, "failed: unexpected event(2): %d",
-				 event_type);
-      goto cleanup;
-    }
-
-  delta = tm->test_end_time - tm->test_start_time;
-
-  if (delta != 0.0)
-    {
-      total_bytes = (tm->no_return ? tm->tx_total : tm->rx_total);
-      transfer_type = tm->no_return ? "half-duplex" : "full-duplex";
-      CLI_OUTPUT ("%lld bytes (%lld mbytes, %lld gbytes) in %.2f seconds",
-		  total_bytes, total_bytes / (1ULL << 20),
-		  total_bytes / (1ULL << 30), delta);
-      CLI_OUTPUT ("%.2f bytes/second %s", ((f64) total_bytes) / (delta),
-		  transfer_type);
-      CLI_OUTPUT ("%.4f gbit/second %s",
-		  (((f64) total_bytes * 8.0) / delta / 1e9), transfer_type);
-    }
-  else
-    {
-      CLI_OUTPUT ("zero delta-t?");
-      error = clib_error_return (0, "failed: zero delta-t");
-      goto cleanup;
-    }
-
-  if (tm->test_bytes && tm->test_failed)
-    error = clib_error_return (0, "failed: test bytes");
-
-cleanup:
-  tm->run_test = 0;
-  for (i = 0; i < vec_len (tm->connection_index_by_thread); i++)
-    {
-      vec_reset_length (tm->connection_index_by_thread[i]);
-      vec_reset_length (tm->connections_this_batch_by_thread[i]);
-    }
-
-  pool_free (tm->sessions);
-
-  /* Detach the application, so we can use different fifo sizes next time */
-  if (tm->test_client_attached)
-    {
-      vnet_app_detach_args_t _da, *da = &_da;
-      int rv;
-
-      da->app_index = tm->app_index;
-      rv = vnet_application_detach (da);
-      if (rv)
-	{
-	  error = clib_error_return (0, "failed: app detach");
-	  CLI_OUTPUT ("WARNING: app detach failed...");
-	}
-      tm->test_client_attached = 0;
-      tm->app_index = ~0;
-    }
-  if (error)
-    CLI_OUTPUT ("test failed");
-  return error;
-}
-
-/* *INDENT-OFF* */
-VLIB_CLI_COMMAND (test_clients_command, static) =
-{
-  .path = "test tcp clients",
-  .short_help = "test tcp clients [nclients %d] [[m|g]bytes <bytes>] "
-      "[test-timeout <time>][syn-timeout <time>][no-return][fifo-size <size>]"
-      "[private-segment-count <count>][private-segment-size <bytes>[m|g]]"
-      "[preallocate-fifos][preallocate-sessions][client-batch <batch-size>]"
-      "[uri <tcp://ip/port>][test-bytes][no-output]",
-  .function = test_tcp_clients_command_fn,
-  .is_mp_safe = 1,
-};
-/* *INDENT-ON* */
-
-clib_error_t *
-tcp_test_clients_main_init (vlib_main_t * vm)
-{
-  tclient_main_t *tm = &tclient_main;
-  tm->is_init = 0;
-  return 0;
-}
-
-VLIB_INIT_FUNCTION (tcp_test_clients_main_init);
-
-/*
- * fd.io coding-style-patch-verification: ON
- *
- * Local Variables:
- * eval: (c-set-style "gnu")
- * End:
- */
diff --git a/src/vnet/tcp/builtin_client.h b/src/vnet/tcp/builtin_client.h
deleted file mode 100644
index be8ea002639..00000000000
--- a/src/vnet/tcp/builtin_client.h
+++ /dev/null
@@ -1,123 +0,0 @@
-
-/*
- * tclient.h - skeleton vpp engine plug-in header file
- *
- * Copyright (c) <current-year> <your-organization>
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at:
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-#ifndef __included_tclient_h__
-#define __included_tclient_h__
-
-#include <vnet/vnet.h>
-#include <vnet/ip/ip.h>
-#include <vnet/ethernet/ethernet.h>
-
-#include <vppinfra/hash.h>
-#include <vppinfra/error.h>
-#include <svm/svm_fifo_segment.h>
-#include <vnet/session/session.h>
-#include <vnet/session/application_interface.h>
-
-typedef struct
-{
-  u64 bytes_to_send;
-  u64 bytes_sent;
-  u64 bytes_to_receive;
-  u64 bytes_received;
-
-  svm_fifo_t *server_rx_fifo;
-  svm_fifo_t *server_tx_fifo;
-
-  u64 vpp_session_handle;
-} session_t;
-
-typedef struct
-{
-  /*
-   * Application setup parameters
-   */
-  svm_queue_t *vl_input_queue;	/**< vpe input queue */
-  svm_queue_t **vpp_event_queue;
-
-  u32 cli_node_index;			/**< cli process node index */
-  u32 my_client_index;			/**< loopback API client handle */
-  u32 app_index;			/**< app index after attach */
-
-  /*
-   * Configuration params
-   */
-  u8 *connect_uri;			/**< URI for slave's connect */
-  u64 bytes_to_send;			/**< Bytes to send */
-  u32 configured_segment_size;
-  u32 fifo_size;
-  u32 expected_connections;		/**< Number of clients/connections */
-  u32 connections_per_batch;		/**< Connections to rx/tx at once */
-  u32 private_segment_count;		/**< Number of private fifo segs */
-  u32 private_segment_size;		/**< size of private fifo segs */
-
-  /*
-   * Test state variables
-   */
-  session_t *sessions;			/**< Session pool, shared */
-  clib_spinlock_t sessions_lock;
-  u8 **rx_buf;				/**< intermediate rx buffers */
-  u8 *connect_test_data;		/**< Pre-computed test data */
-  u32 **connection_index_by_thread;
-  u32 **connections_this_batch_by_thread; /**< active connection batch */
-  pthread_t client_thread_handle;
-
-  volatile u32 ready_connections;
-  volatile u32 finished_connections;
-  volatile u64 rx_total;
-  volatile u64 tx_total;
-  volatile int run_test;		/**< Signal start of test */
-
-  f64 test_start_time;
-  f64 test_end_time;
-  u32 prev_conns;
-  u32 repeats;
-  /*
-   * Flags
-   */
-  u8 is_init;
-  u8 test_client_attached;
-  u8 no_return;
-  u8 test_return_packets;
-  int i_am_master;
-  int drop_packets;		/**< drop all packets */
-  u8 prealloc_fifos;		/**< Request fifo preallocation */
-  u8 no_output;
-  u8 test_bytes;
-  u8 test_failed;
-
-  /*
-   * Convenience
-   */
-  vlib_main_t *vlib_main;
-  vnet_main_t *vnet_main;
-  ethernet_main_t *ethernet_main;
-} tclient_main_t;
-
-extern tclient_main_t tclient_main;
-
-vlib_node_registration_t tclient_node;
-
-#endif /* __included_tclient_h__ */
-
-/*
- * fd.io coding-style-patch-verification: ON
- *
- * Local Variables:
- * eval: (c-set-style "gnu")
- * End:
- */
diff --git a/src/vnet/tcp/builtin_http_server.c b/src/vnet/tcp/builtin_http_server.c
deleted file mode 100644
index 5510f8ad34c..00000000000
--- a/src/vnet/tcp/builtin_http_server.c
+++ /dev/null
@@ -1,668 +0,0 @@
-/*
-* Copyright (c) 2015-2017 Cisco and/or its affiliates.
-* Licensed under the Apache License, Version 2.0 (the "License");
-* you may not use this file except in compliance with the License.
-* You may obtain a copy of the License at:
-*
-*     http://www.apache.org/licenses/LICENSE-2.0
-*
-* Unless required by applicable law or agreed to in writing, software
-* distributed under the License is distributed on an "AS IS" BASIS,
-* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-* See the License for the specific language governing permissions and
-* limitations under the License.
-*/
-
-#include <vnet/vnet.h>
-#include <vnet/session/application.h>
-#include <vnet/session/application_interface.h>
-
-typedef enum
-{
-  EVENT_WAKEUP = 1,
-} http_process_event_t;
-
-typedef struct
-{
-  u64 session_handle;
-  u64 node_index;
-  u8 *data;
-} builtin_http_server_args;
-
-typedef struct
-{
-  u8 **rx_buf;
-  svm_queue_t **vpp_queue;
-  u64 byte_index;
-
-  uword *handler_by_get_request;
-
-  u32 *free_http_cli_process_node_indices;
-
-  /* Sever's event queue */
-  svm_queue_t *vl_input_queue;
-
-  /* API client handle */
-  u32 my_client_index;
-
-  u32 app_index;
-
-  /* process node index for evnt scheduling */
-  u32 node_index;
-
-  u32 prealloc_fifos;
-  u32 private_segment_size;
-  u32 fifo_size;
-  vlib_main_t *vlib_main;
-} http_server_main_t;
-
-http_server_main_t http_server_main;
-
-static void
-free_http_process (builtin_http_server_args * args)
-{
-  vlib_node_runtime_t *rt;
-  vlib_main_t *vm = &vlib_global_main;
-  http_server_main_t *hsm = &http_server_main;
-  vlib_node_t *n;
-  u32 node_index;
-  builtin_http_server_args **save_args;
-
-  node_index = args->node_index;
-  ASSERT (node_index != 0);
-
-  n = vlib_get_node (vm, node_index);
-  rt = vlib_node_get_runtime (vm, n->index);
-  save_args = vlib_node_get_runtime_data (vm, n->index);
-
-  /* Reset process session pointer */
-  clib_mem_free (*save_args);
-  *save_args = 0;
-
-  /* Turn off the process node */
-  vlib_node_set_state (vm, rt->node_index, VLIB_NODE_STATE_DISABLED);
-
-  /* add node index to the freelist */
-  vec_add1 (hsm->free_http_cli_process_node_indices, node_index);
-}
-
-static const char
-  *http_response = "HTTP/1.1 200 OK\r\n"
-  "Content-Type: text/html\r\n"
-  "Expires: Mon, 11 Jan 1970 10:10:10 GMT\r\n"
-  "Connection: close\r\n"
-  "Pragma: no-cache\r\n" "Content-Length: %d\r\n\r\n%s";
-
-static const char
-  *http_error_template = "HTTP/1.1 %s\r\n"
-  "Content-Type: text/html\r\n"
-  "Expires: Mon, 11 Jan 1970 10:10:10 GMT\r\n"
-  "Connection: close\r\n" "Pragma: no-cache\r\n" "Content-Length: 0\r\n\r\n";
-
-/* Header, including incantation to suppress favicon.ico requests */
-static const char
-  *html_header_template = "<html><head><title>%v</title>"
-  "</head><link rel=\"icon\" href=\"data:,\"><body><pre>";
-
-static const char *html_footer = "</pre></body></html>\r\n";
-
-static const char
-  *html_header_static = "<html><head><title>static reply</title></head>"
-  "<link rel=\"icon\" href=\"data:,\"><body><pre>hello</pre></body>"
-  "</html>\r\n";
-
-static u8 *static_http;
-
-static void
-http_cli_output (uword arg, u8 * buffer, uword buffer_bytes)
-{
-  u8 **output_vecp = (u8 **) arg;
-  u8 *output_vec;
-  u32 offset;
-
-  output_vec = *output_vecp;
-
-  offset = vec_len (output_vec);
-  vec_validate (output_vec, offset + buffer_bytes - 1);
-  clib_memcpy (output_vec + offset, buffer, buffer_bytes);
-
-  *output_vecp = output_vec;
-}
-
-void
-send_data (stream_session_t * s, u8 * data)
-{
-  session_fifo_event_t evt;
-  u32 offset, bytes_to_send;
-  f64 delay = 10e-3;
-  http_server_main_t *hsm = &http_server_main;
-  vlib_main_t *vm = hsm->vlib_main;
-  f64 last_sent_timer = vlib_time_now (vm);
-
-  bytes_to_send = vec_len (data);
-  offset = 0;
-
-  while (bytes_to_send > 0)
-    {
-      int actual_transfer;
-
-      actual_transfer = svm_fifo_enqueue_nowait
-	(s->server_tx_fifo, bytes_to_send, data + offset);
-
-      /* Made any progress? */
-      if (actual_transfer <= 0)
-	{
-	  vlib_process_suspend (vm, delay);
-	  /* 10s deadman timer */
-	  if (vlib_time_now (vm) > last_sent_timer + 10.0)
-	    {
-	      /* $$$$ FC: reset transport session here? */
-	      break;
-	    }
-	  /* Exponential backoff, within reason */
-	  if (delay < 1.0)
-	    delay = delay * 2.0;
-	}
-      else
-	{
-	  last_sent_timer = vlib_time_now (vm);
-	  offset += actual_transfer;
-	  bytes_to_send -= actual_transfer;
-
-	  if (svm_fifo_set_event (s->server_tx_fifo))
-	    {
-	      /* Fabricate TX event, send to vpp */
-	      evt.fifo = s->server_tx_fifo;
-	      evt.event_type = FIFO_EVENT_APP_TX;
-
-	      svm_queue_add (hsm->vpp_queue[s->thread_index],
-			     (u8 *) & evt, 0 /* do wait for mutex */ );
-	    }
-	  delay = 10e-3;
-	}
-    }
-}
-
-static void
-send_error (stream_session_t * s, char *str)
-{
-  u8 *data;
-
-  data = format (0, http_error_template, str);
-  send_data (s, data);
-  vec_free (data);
-}
-
-static uword
-http_cli_process (vlib_main_t * vm,
-		  vlib_node_runtime_t * rt, vlib_frame_t * f)
-{
-  http_server_main_t *hsm = &http_server_main;
-  u8 *request = 0, *reply = 0;
-  builtin_http_server_args **save_args;
-  builtin_http_server_args *args;
-  stream_session_t *s;
-  unformat_input_t input;
-  int i;
-  u8 *http = 0, *html = 0;
-
-  save_args = vlib_node_get_runtime_data (hsm->vlib_main, rt->node_index);
-  args = *save_args;
-  s = session_get_from_handle (args->session_handle);
-  ASSERT (s);
-
-  request = (u8 *) (void *) (args->data);
-  if (vec_len (request) < 7)
-    {
-      send_error (s, "400 Bad Request");
-      goto out;
-    }
-
-  for (i = 0; i < vec_len (request) - 4; i++)
-    {
-      if (request[i] == 'G' &&
-	  request[i + 1] == 'E' &&
-	  request[i + 2] == 'T' && request[i + 3] == ' ')
-	goto found;
-    }
-bad_request:
-  send_error (s, "400 Bad Request");
-  goto out;
-
-found:
-  /* Lose "GET " */
-  vec_delete (request, i + 5, 0);
-
-  /* Replace slashes with spaces, stop at the end of the path */
-  i = 0;
-  while (1)
-    {
-      if (request[i] == '/')
-	request[i] = ' ';
-      else if (request[i] == ' ')
-	{
-	  /* vlib_cli_input is vector-based, no need for a NULL */
-	  _vec_len (request) = i;
-	  break;
-	}
-      i++;
-      /* Should never happen */
-      if (i == vec_len (request))
-	goto bad_request;
-    }
-
-  /* Generate the html header */
-  html = format (0, html_header_template, request /* title */ );
-
-  /* Run the command */
-  unformat_init_vector (&input, request);
-  vlib_cli_input (vm, &input, http_cli_output, (uword) & reply);
-  unformat_free (&input);
-  request = 0;
-
-  /* Generate the html page */
-  html = format (html, "%v", reply);
-  html = format (html, html_footer);
-  /* And the http reply */
-  http = format (0, http_response, vec_len (html), html);
-
-  /* Send it */
-  send_data (s, http);
-
-out:
-  /* Cleanup */
-  vec_free (request);
-  vec_free (reply);
-  vec_free (html);
-  vec_free (http);
-
-  free_http_process (args);
-  return (0);
-}
-
-static void
-alloc_http_process (builtin_http_server_args * args)
-{
-  char *name;
-  vlib_node_t *n;
-  http_server_main_t *hsm = &http_server_main;
-  vlib_main_t *vm = hsm->vlib_main;
-  uword l = vec_len (hsm->free_http_cli_process_node_indices);
-  builtin_http_server_args **save_args;
-
-  if (vec_len (hsm->free_http_cli_process_node_indices) > 0)
-    {
-      n = vlib_get_node (vm, hsm->free_http_cli_process_node_indices[l - 1]);
-      vlib_node_set_state (vm, n->index, VLIB_NODE_STATE_POLLING);
-      _vec_len (hsm->free_http_cli_process_node_indices) = l - 1;
-    }
-  else
-    {
-      static vlib_node_registration_t r = {
-	.function = http_cli_process,
-	.type = VLIB_NODE_TYPE_PROCESS,
-	.process_log2_n_stack_bytes = 16,
-	.runtime_data_bytes = sizeof (void *),
-      };
-
-      name = (char *) format (0, "http-cli-%d", l);
-      r.name = name;
-      vlib_register_node (vm, &r);
-      vec_free (name);
-
-      n = vlib_get_node (vm, r.index);
-    }
-
-  /* Save the node index in the args. It won't be zero. */
-  args->node_index = n->index;
-
-  /* Save the args (pointer) in the node runtime */
-  save_args = vlib_node_get_runtime_data (vm, n->index);
-  *save_args = args;
-
-  vlib_start_process (vm, n->runtime_index);
-}
-
-static void
-alloc_http_process_callback (void *cb_args)
-{
-  alloc_http_process ((builtin_http_server_args *) cb_args);
-}
-
-static int
-session_rx_request (stream_session_t * s)
-{
-  http_server_main_t *hsm = &http_server_main;
-  svm_fifo_t *rx_fifo;
-  u32 max_dequeue;
-  int actual_transfer;
-
-  rx_fifo = s->server_rx_fifo;
-  max_dequeue = svm_fifo_max_dequeue (rx_fifo);
-  svm_fifo_unset_event (rx_fifo);
-  if (PREDICT_FALSE (max_dequeue == 0))
-    return -1;
-
-  vec_validate (hsm->rx_buf[s->thread_index], max_dequeue - 1);
-  _vec_len (hsm->rx_buf[s->thread_index]) = max_dequeue;
-
-  actual_transfer = svm_fifo_dequeue_nowait (rx_fifo, max_dequeue,
-					     hsm->rx_buf[s->thread_index]);
-  ASSERT (actual_transfer > 0);
-  _vec_len (hsm->rx_buf[s->thread_index]) = actual_transfer;
-  return 0;
-}
-
-static int
-http_server_rx_callback (stream_session_t * s)
-{
-  http_server_main_t *hsm = &http_server_main;
-  builtin_http_server_args *args;
-  int rv;
-
-  rv = session_rx_request (s);
-  if (rv)
-    return rv;
-
-  /* send the command to a new/recycled vlib process */
-  args = clib_mem_alloc (sizeof (*args));
-  args->data = vec_dup (hsm->rx_buf[s->thread_index]);
-  args->session_handle = session_handle (s);
-
-  /* Send an RPC request via the thread-0 input node */
-  if (vlib_get_thread_index () != 0)
-    {
-      session_fifo_event_t evt;
-      evt.rpc_args.fp = alloc_http_process_callback;
-      evt.rpc_args.arg = args;
-      evt.event_type = FIFO_EVENT_RPC;
-      svm_queue_add
-	(session_manager_get_vpp_event_queue (0 /* main thread */ ),
-	 (u8 *) & evt, 0 /* do wait for mutex */ );
-    }
-  else
-    alloc_http_process (args);
-  return 0;
-}
-
-static int
-http_server_rx_callback_static (stream_session_t * s)
-{
-  http_server_main_t *hsm = &http_server_main;
-  u8 *request = 0;
-  int i;
-  int rv;
-
-  rv = session_rx_request (s);
-  if (rv)
-    return rv;
-
-  request = hsm->rx_buf[s->thread_index];
-  if (vec_len (request) < 7)
-    {
-      send_error (s, "400 Bad Request");
-      goto out;
-    }
-
-  for (i = 0; i < vec_len (request) - 4; i++)
-    {
-      if (request[i] == 'G' &&
-	  request[i + 1] == 'E' &&
-	  request[i + 2] == 'T' && request[i + 3] == ' ')
-	goto found;
-    }
-  send_error (s, "400 Bad Request");
-  goto out;
-
-found:
-
-  /* Send it */
-  send_data (s, static_http);
-
-out:
-  /* Cleanup */
-  vec_free (request);
-  hsm->rx_buf[s->thread_index] = request;
-  return 0;
-}
-
-static int
-builtin_session_accept_callback (stream_session_t * s)
-{
-  http_server_main_t *bsm = &http_server_main;
-
-  bsm->vpp_queue[s->thread_index] =
-    session_manager_get_vpp_event_queue (s->thread_index);
-  s->session_state = SESSION_STATE_READY;
-  bsm->byte_index = 0;
-  return 0;
-}
-
-static void
-builtin_session_disconnect_callback (stream_session_t * s)
-{
-  http_server_main_t *bsm = &http_server_main;
-  vnet_disconnect_args_t _a, *a = &_a;
-
-  a->handle = session_handle (s);
-  a->app_index = bsm->app_index;
-  vnet_disconnect_session (a);
-}
-
-static void
-builtin_session_reset_callback (stream_session_t * s)
-{
-  clib_warning ("called.. ");
-
-  stream_session_cleanup (s);
-}
-
-static int
-builtin_session_connected_callback (u32 app_index, u32 api_context,
-				    stream_session_t * s, u8 is_fail)
-{
-  clib_warning ("called...");
-  return -1;
-}
-
-static int
-builtin_add_segment_callback (u32 client_index, const ssvm_private_t * sp)
-{
-  clib_warning ("called...");
-  return -1;
-}
-
-static int
-builtin_redirect_connect_callback (u32 client_index, void *mp)
-{
-  clib_warning ("called...");
-  return -1;
-}
-
-static session_cb_vft_t builtin_session_cb_vft = {
-  .session_accept_callback = builtin_session_accept_callback,
-  .session_disconnect_callback = builtin_session_disconnect_callback,
-  .session_connected_callback = builtin_session_connected_callback,
-  .add_segment_callback = builtin_add_segment_callback,
-  .redirect_connect_callback = builtin_redirect_connect_callback,
-  .builtin_server_rx_callback = http_server_rx_callback,
-  .session_reset_callback = builtin_session_reset_callback
-};
-
-/* Abuse VPP's input queue */
-static int
-create_api_loopback (vlib_main_t * vm)
-{
-  http_server_main_t *hsm = &http_server_main;
-  api_main_t *am = &api_main;
-  vl_shmem_hdr_t *shmem_hdr;
-
-  shmem_hdr = am->shmem_hdr;
-  hsm->vl_input_queue = shmem_hdr->vl_input_queue;
-  hsm->my_client_index =
-    vl_api_memclnt_create_internal ("test_http_server", hsm->vl_input_queue);
-  return 0;
-}
-
-static int
-server_attach ()
-{
-  http_server_main_t *hsm = &http_server_main;
-  u64 options[APP_OPTIONS_N_OPTIONS];
-  vnet_app_attach_args_t _a, *a = &_a;
-  u32 segment_size = 128 << 20;
-
-  memset (a, 0, sizeof (*a));
-  memset (options, 0, sizeof (options));
-
-  if (hsm->private_segment_size)
-    segment_size = hsm->private_segment_size;
-
-  a->api_client_index = hsm->my_client_index;
-  a->session_cb_vft = &builtin_session_cb_vft;
-  a->options = options;
-  a->options[APP_OPTIONS_SEGMENT_SIZE] = segment_size;
-  a->options[APP_OPTIONS_RX_FIFO_SIZE] =
-    hsm->fifo_size ? hsm->fifo_size : 8 << 10;
-  a->options[APP_OPTIONS_TX_FIFO_SIZE] =
-    hsm->fifo_size ? hsm->fifo_size : 32 << 10;
-  a->options[APP_OPTIONS_FLAGS] = APP_OPTIONS_FLAGS_IS_BUILTIN;
-  a->options[APP_OPTIONS_PREALLOC_FIFO_PAIRS] = hsm->prealloc_fifos;
-
-  if (vnet_application_attach (a))
-    {
-      clib_warning ("failed to attach server");
-      return -1;
-    }
-  hsm->app_index = a->app_index;
-  return 0;
-}
-
-static int
-server_listen ()
-{
-  http_server_main_t *hsm = &http_server_main;
-  vnet_bind_args_t _a, *a = &_a;
-  memset (a, 0, sizeof (*a));
-  a->app_index = hsm->app_index;
-  a->uri = "tcp://0.0.0.0/80";
-  return vnet_bind_uri (a);
-}
-
-static int
-server_create (vlib_main_t * vm)
-{
-  http_server_main_t *hsm = &http_server_main;
-  u32 num_threads;
-  vlib_thread_main_t *vtm = vlib_get_thread_main ();
-
-  ASSERT (hsm->my_client_index == (u32) ~ 0);
-  if (create_api_loopback (vm))
-    return -1;
-
-  num_threads = 1 /* main thread */  + vtm->n_threads;
-  vec_validate (http_server_main.vpp_queue, num_threads - 1);
-
-  if (server_attach ())
-    {
-      clib_warning ("failed to attach server");
-      return -1;
-    }
-  if (server_listen ())
-    {
-      clib_warning ("failed to start listening");
-      return -1;
-    }
-  return 0;
-}
-
-static clib_error_t *
-server_create_command_fn (vlib_main_t * vm,
-			  unformat_input_t * input, vlib_cli_command_t * cmd)
-{
-  http_server_main_t *hsm = &http_server_main;
-  int rv, is_static = 0;
-  u64 seg_size;
-  u8 *html;
-
-  hsm->prealloc_fifos = 0;
-  hsm->private_segment_size = 0;
-  hsm->fifo_size = 0;
-  while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
-    {
-      if (unformat (input, "static"))
-	is_static = 1;
-      else if (unformat (input, "prealloc-fifos %d", &hsm->prealloc_fifos))
-	;
-      else if (unformat (input, "private-segment-size %U",
-			 unformat_memory_size, &seg_size))
-	{
-	  if (seg_size >= 0x100000000ULL)
-	    {
-	      vlib_cli_output (vm, "private segment size %llu, too large",
-			       seg_size);
-	      return 0;
-	    }
-	  hsm->private_segment_size = seg_size;
-	}
-      else if (unformat (input, "fifo-size %d", &hsm->fifo_size))
-	hsm->fifo_size <<= 10;
-      else
-	return clib_error_return (0, "unknown input `%U'",
-				  format_unformat_error, input);
-    }
-  if (hsm->my_client_index != (u32) ~ 0)
-    return clib_error_return (0, "test http server is already running");
-
-  vnet_session_enable_disable (vm, 1 /* turn on TCP, etc. */ );
-
-  if (is_static)
-    {
-      builtin_session_cb_vft.builtin_server_rx_callback =
-	http_server_rx_callback_static;
-      html = format (0, html_header_static);
-      static_http = format (0, http_response, vec_len (html), html);
-    }
-  rv = server_create (vm);
-  switch (rv)
-    {
-    case 0:
-      break;
-    default:
-      return clib_error_return (0, "server_create returned %d", rv);
-    }
-  return 0;
-}
-
-/* *INDENT-OFF* */
-VLIB_CLI_COMMAND (server_create_command, static) =
-{
-  .path = "test http server",
-  .short_help = "test http server",
-  .function = server_create_command_fn,
-};
-/* *INDENT-ON* */
-
-static clib_error_t *
-builtin_http_server_main_init (vlib_main_t * vm)
-{
-  http_server_main_t *hsm = &http_server_main;
-  vlib_thread_main_t *vtm = vlib_get_thread_main ();
-  u32 num_threads;
-
-  hsm->my_client_index = ~0;
-  hsm->vlib_main = vm;
-  num_threads = 1 /* main thread */  + vtm->n_threads;
-  vec_validate (hsm->rx_buf, num_threads - 1);
-  return 0;
-}
-
-VLIB_INIT_FUNCTION (builtin_http_server_main_init);
-
-/*
-* fd.io coding-style-patch-verification: ON
-*
-* Local Variables:
-* eval: (c-set-style "gnu")
-* End:
-*/
diff --git a/src/vnet/tcp/builtin_proxy.c b/src/vnet/tcp/builtin_proxy.c
deleted file mode 100644
index a4827bff56d..00000000000
--- a/src/vnet/tcp/builtin_proxy.c
+++ /dev/null
@@ -1,602 +0,0 @@
-/*
-* Copyright (c) 2015-2017 Cisco and/or its affiliates.
-* Licensed under the Apache License, Version 2.0 (the "License");
-* you may not use this file except in compliance with the License.
-* You may obtain a copy of the License at:
-*
-*     http://www.apache.org/licenses/LICENSE-2.0
-*
-* Unless required by applicable law or agreed to in writing, software
-* distributed under the License is distributed on an "AS IS" BASIS,
-* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-* See the License for the specific language governing permissions and
-* limitations under the License.
-*/
-
-#include <vnet/vnet.h>
-#include <vlibmemory/api.h>
-#include <vnet/session/application.h>
-#include <vnet/session/application_interface.h>
-#include <vnet/tcp/builtin_proxy.h>
-
-builtin_proxy_main_t builtin_proxy_main;
-
-static void
-delete_proxy_session (stream_session_t * s, int is_active_open)
-{
-  builtin_proxy_main_t *bpm = &builtin_proxy_main;
-  proxy_session_t *ps = 0;
-  vnet_disconnect_args_t _a, *a = &_a;
-  stream_session_t *active_open_session = 0;
-  stream_session_t *server_session = 0;
-  uword *p;
-  u64 handle;
-
-  handle = session_handle (s);
-
-  clib_spinlock_lock_if_init (&bpm->sessions_lock);
-  if (is_active_open)
-    {
-      active_open_session = s;
-
-      p = hash_get (bpm->proxy_session_by_active_open_handle, handle);
-      if (p == 0)
-	{
-	  clib_warning ("proxy session for %s handle %lld (%llx) AWOL",
-			is_active_open ? "active open" : "server",
-			handle, handle);
-	}
-      else
-	{
-	  ps = pool_elt_at_index (bpm->sessions, p[0]);
-	  if (ps->vpp_server_handle != ~0)
-	    server_session = session_get_from_handle (ps->vpp_server_handle);
-	  else
-	    server_session = 0;
-	}
-    }
-  else
-    {
-      server_session = s;
-
-      p = hash_get (bpm->proxy_session_by_server_handle, handle);
-      if (p == 0)
-	{
-	  clib_warning ("proxy session for %s handle %lld (%llx) AWOL",
-			is_active_open ? "active open" : "server",
-			handle, handle);
-	}
-      else
-	{
-	  ps = pool_elt_at_index (bpm->sessions, p[0]);
-	  if (ps->vpp_server_handle != ~0)
-	    active_open_session = session_get_from_handle
-	      (ps->vpp_server_handle);
-	  else
-	    active_open_session = 0;
-	}
-    }
-
-  if (ps)
-    {
-      if (CLIB_DEBUG > 0)
-	memset (ps, 0xFE, sizeof (*ps));
-      pool_put (bpm->sessions, ps);
-    }
-
-  clib_spinlock_unlock_if_init (&bpm->sessions_lock);
-
-  if (active_open_session)
-    {
-      a->handle = session_handle (active_open_session);
-      a->app_index = bpm->active_open_app_index;
-      hash_unset (bpm->proxy_session_by_active_open_handle,
-		  session_handle (active_open_session));
-      vnet_disconnect_session (a);
-    }
-
-  if (server_session)
-    {
-      a->handle = session_handle (server_session);
-      a->app_index = bpm->server_app_index;
-      hash_unset (bpm->proxy_session_by_server_handle,
-		  session_handle (server_session));
-      vnet_disconnect_session (a);
-    }
-}
-
-static int
-server_accept_callback (stream_session_t * s)
-{
-  builtin_proxy_main_t *bpm = &builtin_proxy_main;
-
-  s->session_state = SESSION_STATE_READY;
-
-  clib_spinlock_lock_if_init (&bpm->sessions_lock);
-
-  return 0;
-}
-
-static void
-server_disconnect_callback (stream_session_t * s)
-{
-  delete_proxy_session (s, 0 /* is_active_open */ );
-}
-
-static void
-server_reset_callback (stream_session_t * s)
-{
-  clib_warning ("Reset session %U", format_stream_session, s, 2);
-  delete_proxy_session (s, 0 /* is_active_open */ );
-}
-
-static int
-server_connected_callback (u32 app_index, u32 api_context,
-			   stream_session_t * s, u8 is_fail)
-{
-  clib_warning ("called...");
-  return -1;
-}
-
-static int
-server_add_segment_callback (u32 client_index, const ssvm_private_t * sp)
-{
-  clib_warning ("called...");
-  return -1;
-}
-
-static int
-server_redirect_connect_callback (u32 client_index, void *mp)
-{
-  clib_warning ("called...");
-  return -1;
-}
-
-static int
-server_rx_callback (stream_session_t * s)
-{
-  u32 max_dequeue;
-  int actual_transfer __attribute__ ((unused));
-  svm_fifo_t *tx_fifo, *rx_fifo;
-  builtin_proxy_main_t *bpm = &builtin_proxy_main;
-  u32 thread_index = vlib_get_thread_index ();
-  vnet_connect_args_t _a, *a = &_a;
-  proxy_session_t *ps;
-  int proxy_index;
-  uword *p;
-  svm_fifo_t *active_open_tx_fifo;
-  session_fifo_event_t evt;
-
-  ASSERT (s->thread_index == thread_index);
-
-  clib_spinlock_lock_if_init (&bpm->sessions_lock);
-  p = hash_get (bpm->proxy_session_by_server_handle, session_handle (s));
-
-  if (PREDICT_TRUE (p != 0))
-    {
-      clib_spinlock_unlock_if_init (&bpm->sessions_lock);
-      active_open_tx_fifo = s->server_rx_fifo;
-
-      /*
-       * Send event for active open tx fifo
-       */
-      if (svm_fifo_set_event (active_open_tx_fifo))
-	{
-	  evt.fifo = active_open_tx_fifo;
-	  evt.event_type = FIFO_EVENT_APP_TX;
-	  if (svm_queue_add
-	      (bpm->active_open_event_queue[thread_index], (u8 *) & evt,
-	       0 /* do wait for mutex */ ))
-	    clib_warning ("failed to enqueue tx evt");
-	}
-    }
-  else
-    {
-      rx_fifo = s->server_rx_fifo;
-      tx_fifo = s->server_tx_fifo;
-
-      ASSERT (rx_fifo->master_thread_index == thread_index);
-      ASSERT (tx_fifo->master_thread_index == thread_index);
-
-      max_dequeue = svm_fifo_max_dequeue (s->server_rx_fifo);
-
-      if (PREDICT_FALSE (max_dequeue == 0))
-	return 0;
-
-      actual_transfer = svm_fifo_peek (rx_fifo, 0 /* relative_offset */ ,
-				       max_dequeue,
-				       bpm->rx_buf[thread_index]);
-
-      /* $$$ your message in this space: parse url, etc. */
-
-      memset (a, 0, sizeof (*a));
-
-      clib_spinlock_lock_if_init (&bpm->sessions_lock);
-      pool_get (bpm->sessions, ps);
-      memset (ps, 0, sizeof (*ps));
-      ps->server_rx_fifo = rx_fifo;
-      ps->server_tx_fifo = tx_fifo;
-      ps->vpp_server_handle = session_handle (s);
-
-      proxy_index = ps - bpm->sessions;
-
-      hash_set (bpm->proxy_session_by_server_handle, ps->vpp_server_handle,
-		proxy_index);
-
-      clib_spinlock_unlock_if_init (&bpm->sessions_lock);
-
-      a->uri = (char *) bpm->client_uri;
-      a->api_context = proxy_index;
-      a->app_index = bpm->active_open_app_index;
-      a->mp = 0;
-      vnet_connect_uri (a);
-    }
-
-  return 0;
-}
-
-static session_cb_vft_t builtin_session_cb_vft = {
-  .session_accept_callback = server_accept_callback,
-  .session_disconnect_callback = server_disconnect_callback,
-  .session_connected_callback = server_connected_callback,
-  .add_segment_callback = server_add_segment_callback,
-  .redirect_connect_callback = server_redirect_connect_callback,
-  .builtin_server_rx_callback = server_rx_callback,
-  .session_reset_callback = server_reset_callback
-};
-
-static int
-active_open_connected_callback (u32 app_index, u32 opaque,
-				stream_session_t * s, u8 is_fail)
-{
-  builtin_proxy_main_t *bpm = &builtin_proxy_main;
-  proxy_session_t *ps;
-  u8 thread_index = vlib_get_thread_index ();
-  session_fifo_event_t evt;
-
-  if (is_fail)
-    {
-      clib_warning ("connection %d failed!", opaque);
-      return 0;
-    }
-
-  /*
-   * Setup proxy session handle.
-   */
-  clib_spinlock_lock_if_init (&bpm->sessions_lock);
-
-  ps = pool_elt_at_index (bpm->sessions, opaque);
-  ps->vpp_active_open_handle = session_handle (s);
-
-  s->server_tx_fifo = ps->server_rx_fifo;
-  s->server_rx_fifo = ps->server_tx_fifo;
-
-  /*
-   * Reset the active-open tx-fifo master indices so the active-open session
-   * will receive data, etc.
-   */
-  s->server_tx_fifo->master_session_index = s->session_index;
-  s->server_tx_fifo->master_thread_index = s->thread_index;
-
-  /*
-   * Account for the active-open session's use of the fifos
-   * so they won't disappear until the last session which uses
-   * them disappears
-   */
-  s->server_tx_fifo->refcnt++;
-  s->server_rx_fifo->refcnt++;
-
-  hash_set (bpm->proxy_session_by_active_open_handle,
-	    ps->vpp_active_open_handle, opaque);
-
-  clib_spinlock_unlock_if_init (&bpm->sessions_lock);
-
-  /*
-   * Send event for active open tx fifo
-   */
-  if (svm_fifo_set_event (s->server_tx_fifo))
-    {
-      evt.fifo = s->server_tx_fifo;
-      evt.event_type = FIFO_EVENT_APP_TX;
-      if (svm_queue_add
-	  (bpm->active_open_event_queue[thread_index], (u8 *) & evt,
-	   0 /* do wait for mutex */ ))
-	clib_warning ("failed to enqueue tx evt");
-    }
-
-  return 0;
-}
-
-static void
-active_open_reset_callback (stream_session_t * s)
-{
-  delete_proxy_session (s, 1 /* is_active_open */ );
-}
-
-static int
-active_open_create_callback (stream_session_t * s)
-{
-  return 0;
-}
-
-static void
-active_open_disconnect_callback (stream_session_t * s)
-{
-  delete_proxy_session (s, 1 /* is_active_open */ );
-}
-
-static int
-active_open_rx_callback (stream_session_t * s)
-{
-  builtin_proxy_main_t *bpm = &builtin_proxy_main;
-  session_fifo_event_t evt;
-  svm_fifo_t *server_rx_fifo;
-  u32 thread_index = vlib_get_thread_index ();
-
-  server_rx_fifo = s->server_rx_fifo;
-
-  /*
-   * Send event for server tx fifo
-   */
-  if (svm_fifo_set_event (server_rx_fifo))
-    {
-      evt.fifo = server_rx_fifo;
-      evt.event_type = FIFO_EVENT_APP_TX;
-      if (svm_queue_add
-	  (bpm->server_event_queue[thread_index], (u8 *) & evt,
-	   0 /* do wait for mutex */ ))
-	clib_warning ("failed to enqueue server rx evt");
-    }
-
-  return 0;
-}
-
-/* *INDENT-OFF* */
-static session_cb_vft_t builtin_clients = {
-  .session_reset_callback = active_open_reset_callback,
-  .session_connected_callback = active_open_connected_callback,
-  .session_accept_callback = active_open_create_callback,
-  .session_disconnect_callback = active_open_disconnect_callback,
-  .builtin_server_rx_callback = active_open_rx_callback
-};
-/* *INDENT-ON* */
-
-
-static void
-create_api_loopbacks (vlib_main_t * vm)
-{
-  builtin_proxy_main_t *bpm = &builtin_proxy_main;
-  api_main_t *am = &api_main;
-  vl_shmem_hdr_t *shmem_hdr;
-
-  shmem_hdr = am->shmem_hdr;
-  bpm->vl_input_queue = shmem_hdr->vl_input_queue;
-  bpm->server_client_index =
-    vl_api_memclnt_create_internal ("proxy_server", bpm->vl_input_queue);
-  bpm->active_open_client_index =
-    vl_api_memclnt_create_internal ("proxy_active_open", bpm->vl_input_queue);
-}
-
-static int
-server_attach ()
-{
-  builtin_proxy_main_t *bpm = &builtin_proxy_main;
-  u64 options[APP_OPTIONS_N_OPTIONS];
-  vnet_app_attach_args_t _a, *a = &_a;
-  u32 segment_size = 512 << 20;
-
-  memset (a, 0, sizeof (*a));
-  memset (options, 0, sizeof (options));
-
-  if (bpm->private_segment_size)
-    segment_size = bpm->private_segment_size;
-  a->api_client_index = bpm->server_client_index;
-  a->session_cb_vft = &builtin_session_cb_vft;
-  a->options = options;
-  a->options[APP_OPTIONS_SEGMENT_SIZE] = segment_size;
-  a->options[APP_OPTIONS_RX_FIFO_SIZE] = bpm->fifo_size;
-  a->options[APP_OPTIONS_TX_FIFO_SIZE] = bpm->fifo_size;
-  a->options[APP_OPTIONS_PRIVATE_SEGMENT_COUNT] = bpm->private_segment_count;
-  a->options[APP_OPTIONS_PREALLOC_FIFO_PAIRS] =
-    bpm->prealloc_fifos ? bpm->prealloc_fifos : 1;
-
-  a->options[APP_OPTIONS_FLAGS] = APP_OPTIONS_FLAGS_IS_BUILTIN;
-
-  if (vnet_application_attach (a))
-    {
-      clib_warning ("failed to attach server");
-      return -1;
-    }
-  bpm->server_app_index = a->app_index;
-
-  return 0;
-}
-
-static int
-active_open_attach (void)
-{
-  builtin_proxy_main_t *bpm = &builtin_proxy_main;
-  vnet_app_attach_args_t _a, *a = &_a;
-  u64 options[16];
-
-  memset (a, 0, sizeof (*a));
-  memset (options, 0, sizeof (options));
-
-  a->api_client_index = bpm->active_open_client_index;
-  a->session_cb_vft = &builtin_clients;
-
-  options[APP_OPTIONS_ACCEPT_COOKIE] = 0x12345678;
-  options[APP_OPTIONS_SEGMENT_SIZE] = 512 << 20;
-  options[APP_OPTIONS_RX_FIFO_SIZE] = bpm->fifo_size;
-  options[APP_OPTIONS_TX_FIFO_SIZE] = bpm->fifo_size;
-  options[APP_OPTIONS_PRIVATE_SEGMENT_COUNT] = bpm->private_segment_count;
-  options[APP_OPTIONS_PREALLOC_FIFO_PAIRS] =
-    bpm->prealloc_fifos ? bpm->prealloc_fifos : 1;
-
-  options[APP_OPTIONS_FLAGS] = APP_OPTIONS_FLAGS_IS_BUILTIN
-    | APP_OPTIONS_FLAGS_IS_PROXY;
-
-  a->options = options;
-
-  if (vnet_application_attach (a))
-    return -1;
-
-  bpm->active_open_app_index = a->app_index;
-
-  return 0;
-}
-
-static int
-server_listen ()
-{
-  builtin_proxy_main_t *bpm = &builtin_proxy_main;
-  vnet_bind_args_t _a, *a = &_a;
-  memset (a, 0, sizeof (*a));
-  a->app_index = bpm->server_app_index;
-  a->uri = (char *) bpm->server_uri;
-  return vnet_bind_uri (a);
-}
-
-static int
-server_create (vlib_main_t * vm)
-{
-  builtin_proxy_main_t *bpm = &builtin_proxy_main;
-  vlib_thread_main_t *vtm = vlib_get_thread_main ();
-  u32 num_threads;
-  int i;
-
-  if (bpm->server_client_index == (u32) ~ 0)
-    create_api_loopbacks (vm);
-
-  num_threads = 1 /* main thread */  + vtm->n_threads;
-  vec_validate (builtin_proxy_main.server_event_queue, num_threads - 1);
-  vec_validate (builtin_proxy_main.active_open_event_queue, num_threads - 1);
-  vec_validate (bpm->rx_buf, num_threads - 1);
-
-  for (i = 0; i < num_threads; i++)
-    vec_validate (bpm->rx_buf[i], bpm->rcv_buffer_size);
-
-  if (server_attach ())
-    {
-      clib_warning ("failed to attach server app");
-      return -1;
-    }
-  if (server_listen ())
-    {
-      clib_warning ("failed to start listening");
-      return -1;
-    }
-  if (active_open_attach ())
-    {
-      clib_warning ("failed to attach active open app");
-      return -1;
-    }
-
-  for (i = 0; i < num_threads; i++)
-    {
-      bpm->active_open_event_queue[i] =
-	session_manager_get_vpp_event_queue (i);
-
-      ASSERT (bpm->active_open_event_queue[i]);
-
-      bpm->server_event_queue[i] = session_manager_get_vpp_event_queue (i);
-    }
-
-  return 0;
-}
-
-static clib_error_t *
-proxy_server_create_command_fn (vlib_main_t * vm, unformat_input_t * input,
-				vlib_cli_command_t * cmd)
-{
-  builtin_proxy_main_t *bpm = &builtin_proxy_main;
-  int rv;
-  u64 tmp;
-
-  bpm->fifo_size = 64 << 10;
-  bpm->rcv_buffer_size = 1024;
-  bpm->prealloc_fifos = 0;
-  bpm->private_segment_count = 0;
-  bpm->private_segment_size = 0;
-  bpm->server_uri = 0;
-
-  while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
-    {
-      if (unformat (input, "fifo-size %d", &bpm->fifo_size))
-	bpm->fifo_size <<= 10;
-      else if (unformat (input, "rcv-buf-size %d", &bpm->rcv_buffer_size))
-	;
-      else if (unformat (input, "prealloc-fifos %d", &bpm->prealloc_fifos))
-	;
-      else if (unformat (input, "private-segment-count %d",
-			 &bpm->private_segment_count))
-	;
-      else if (unformat (input, "private-segment-size %U",
-			 unformat_memory_size, &tmp))
-	{
-	  if (tmp >= 0x100000000ULL)
-	    return clib_error_return
-	      (0, "private segment size %lld (%llu) too large", tmp, tmp);
-	  bpm->private_segment_size = tmp;
-	}
-      else if (unformat (input, "server-uri %s", &bpm->server_uri))
-	;
-      else if (unformat (input, "client-uri %s", &bpm->client_uri))
-	;
-      else
-	return clib_error_return (0, "unknown input `%U'",
-				  format_unformat_error, input);
-    }
-
-  if (!bpm->server_uri)
-    bpm->server_uri = format (0, "%s%c", "tcp://0.0.0.0/23", 0);
-  if (!bpm->client_uri)
-    bpm->client_uri = format (0, "%s%c", "tcp://6.0.2.2/23", 0);
-
-  vnet_session_enable_disable (vm, 1 /* turn on TCP, etc. */ );
-
-  rv = server_create (vm);
-  switch (rv)
-    {
-    case 0:
-      break;
-    default:
-      return clib_error_return (0, "server_create returned %d", rv);
-    }
-
-  return 0;
-}
-
-/* *INDENT-OFF* */
-VLIB_CLI_COMMAND (server_create_command, static) =
-{
-  .path = "test proxy server",
-  .short_help = "test proxy server [server-uri <tcp://ip/port>]"
-      "[client-uri <tcp://ip/port>][fifo-size <nn>][rcv-buf-size <nn>]"
-      "[prealloc-fifos <nn>][private-segment-size <mem>]"
-      "[private-segment-count <nn>]",
-  .function = proxy_server_create_command_fn,
-};
-/* *INDENT-ON* */
-
-clib_error_t *
-builtin_tcp_proxy_main_init (vlib_main_t * vm)
-{
-  builtin_proxy_main_t *bpm = &builtin_proxy_main;
-  bpm->server_client_index = ~0;
-  bpm->active_open_client_index = ~0;
-  bpm->proxy_session_by_active_open_handle = hash_create (0, sizeof (uword));
-  bpm->proxy_session_by_server_handle = hash_create (0, sizeof (uword));
-
-  return 0;
-}
-
-VLIB_INIT_FUNCTION (builtin_tcp_proxy_main_init);
-
-/*
-* fd.io coding-style-patch-verification: ON
-*
-* Local Variables:
-* eval: (c-set-style "gnu")
-* End:
-*/
diff --git a/src/vnet/tcp/builtin_proxy.h b/src/vnet/tcp/builtin_proxy.h
deleted file mode 100644
index 517fd3b1a38..00000000000
--- a/src/vnet/tcp/builtin_proxy.h
+++ /dev/null
@@ -1,101 +0,0 @@
-
-/*
- * builtin_proxy.h - skeleton vpp engine plug-in header file
- *
- * Copyright (c) <current-year> <your-organization>
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at:
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-#ifndef __included_builtin_proxy_h__
-#define __included_builtin_proxy_h__
-
-#include <vnet/vnet.h>
-#include <vnet/ip/ip.h>
-#include <vnet/ethernet/ethernet.h>
-
-#include <vppinfra/hash.h>
-#include <vppinfra/error.h>
-#include <svm/svm_fifo_segment.h>
-#include <vnet/session/session.h>
-#include <vnet/session/application_interface.h>
-
-typedef struct
-{
-  svm_fifo_t *server_rx_fifo;
-  svm_fifo_t *server_tx_fifo;
-
-  u64 vpp_server_handle;
-  u64 vpp_active_open_handle;
-} proxy_session_t;
-
-typedef struct
-{
-  svm_queue_t *vl_input_queue;	/**< vpe input queue */
-  /** per-thread vectors */
-  svm_queue_t **server_event_queue;
-  svm_queue_t **active_open_event_queue;
-  u8 **rx_buf;				/**< intermediate rx buffers */
-
-  u32 cli_node_index;			/**< cli process node index */
-  u32 server_client_index;		/**< server API client handle */
-  u32 server_app_index;			/**< server app index */
-  u32 active_open_client_index;		/**< active open API client handle */
-  u32 active_open_app_index;		/**< active open index after attach */
-
-  uword *proxy_session_by_server_handle;
-  uword *proxy_session_by_active_open_handle;
-
-  /*
-   * Configuration params
-   */
-  u8 *connect_uri;			/**< URI for slave's connect */
-  u32 configured_segment_size;
-  u32 fifo_size;
-  u32 private_segment_count;		/**< Number of private fifo segs */
-  u32 private_segment_size;		/**< size of private fifo segs */
-  int rcv_buffer_size;
-  u8 *server_uri;
-  u8 *client_uri;
-
-  /*
-   * Test state variables
-   */
-  proxy_session_t *sessions;		/**< Session pool, shared */
-  clib_spinlock_t sessions_lock;
-  u32 **connection_index_by_thread;
-  pthread_t client_thread_handle;
-
-  /*
-   * Flags
-   */
-  u8 is_init;
-  u8 prealloc_fifos;		/**< Request fifo preallocation */
-
-  /*
-   * Convenience
-   */
-  vlib_main_t *vlib_main;
-  vnet_main_t *vnet_main;
-  ethernet_main_t *ethernet_main;
-} builtin_proxy_main_t;
-
-extern builtin_proxy_main_t builtin_proxy_main;
-
-#endif /* __included_builtin_proxy_h__ */
-
-/*
- * fd.io coding-style-patch-verification: ON
- *
- * Local Variables:
- * eval: (c-set-style "gnu")
- * End:
- */
diff --git a/src/vnet/tcp/builtin_server.c b/src/vnet/tcp/builtin_server.c
deleted file mode 100644
index 2ea9068a597..00000000000
--- a/src/vnet/tcp/builtin_server.c
+++ /dev/null
@@ -1,469 +0,0 @@
-/*
-* Copyright (c) 2015-2017 Cisco and/or its affiliates.
-* Licensed under the Apache License, Version 2.0 (the "License");
-* you may not use this file except in compliance with the License.
-* You may obtain a copy of the License at:
-*
-*     http://www.apache.org/licenses/LICENSE-2.0
-*
-* Unless required by applicable law or agreed to in writing, software
-* distributed under the License is distributed on an "AS IS" BASIS,
-* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-* See the License for the specific language governing permissions and
-* limitations under the License.
-*/
-
-#include <vnet/vnet.h>
-#include <vlibmemory/api.h>
-#include <vnet/session/application.h>
-#include <vnet/session/application_interface.h>
-
-typedef struct
-{
-  /*
-   * Server app parameters
-   */
-  svm_queue_t **vpp_queue;
-  svm_queue_t *vl_input_queue;	/**< Sever's event queue */
-
-  u32 app_index;		/**< Server app index */
-  u32 my_client_index;		/**< API client handle */
-  u32 node_index;		/**< process node index for evnt scheduling */
-
-  /*
-   * Config params
-   */
-  u8 no_echo;			/**< Don't echo traffic */
-  u32 fifo_size;			/**< Fifo size */
-  u32 rcv_buffer_size;		/**< Rcv buffer size */
-  u32 prealloc_fifos;		/**< Preallocate fifos */
-  u32 private_segment_count;	/**< Number of private segments  */
-  u32 private_segment_size;	/**< Size of private segments  */
-  char *server_uri;		/**< Server URI */
-
-  /*
-   * Test state
-   */
-  u8 **rx_buf;			/**< Per-thread RX buffer */
-  u64 byte_index;
-  u32 **rx_retries;
-
-  vlib_main_t *vlib_main;
-} builtin_server_main_t;
-
-builtin_server_main_t builtin_server_main;
-
-int
-builtin_session_accept_callback (stream_session_t * s)
-{
-  builtin_server_main_t *bsm = &builtin_server_main;
-
-  bsm->vpp_queue[s->thread_index] =
-    session_manager_get_vpp_event_queue (s->thread_index);
-  s->session_state = SESSION_STATE_READY;
-  bsm->byte_index = 0;
-  vec_validate (bsm->rx_retries[s->thread_index], s->session_index);
-  bsm->rx_retries[s->thread_index][s->session_index] = 0;
-  return 0;
-}
-
-void
-builtin_session_disconnect_callback (stream_session_t * s)
-{
-  builtin_server_main_t *bsm = &builtin_server_main;
-  vnet_disconnect_args_t _a, *a = &_a;
-
-  a->handle = session_handle (s);
-  a->app_index = bsm->app_index;
-  vnet_disconnect_session (a);
-}
-
-void
-builtin_session_reset_callback (stream_session_t * s)
-{
-  clib_warning ("Reset session %U", format_stream_session, s, 2);
-  stream_session_cleanup (s);
-}
-
-
-int
-builtin_session_connected_callback (u32 app_index, u32 api_context,
-				    stream_session_t * s, u8 is_fail)
-{
-  clib_warning ("called...");
-  return -1;
-}
-
-int
-builtin_add_segment_callback (u32 client_index, const ssvm_private_t * sp)
-{
-  clib_warning ("called...");
-  return -1;
-}
-
-int
-builtin_redirect_connect_callback (u32 client_index, void *mp)
-{
-  clib_warning ("called...");
-  return -1;
-}
-
-void
-test_bytes (builtin_server_main_t * bsm, int actual_transfer)
-{
-  int i;
-  u32 my_thread_id = vlib_get_thread_index ();
-
-  for (i = 0; i < actual_transfer; i++)
-    {
-      if (bsm->rx_buf[my_thread_id][i] != ((bsm->byte_index + i) & 0xff))
-	{
-	  clib_warning ("at %lld expected %d got %d", bsm->byte_index + i,
-			(bsm->byte_index + i) & 0xff,
-			bsm->rx_buf[my_thread_id][i]);
-	}
-    }
-  bsm->byte_index += actual_transfer;
-}
-
-/*
- * If no-echo, just read the data and be done with it
- */
-int
-builtin_server_rx_callback_no_echo (stream_session_t * s)
-{
-  builtin_server_main_t *bsm = &builtin_server_main;
-  u32 my_thread_id = vlib_get_thread_index ();
-  int actual_transfer;
-  svm_fifo_t *rx_fifo;
-
-  rx_fifo = s->server_rx_fifo;
-
-  do
-    {
-      actual_transfer =
-	svm_fifo_dequeue_nowait (rx_fifo, bsm->rcv_buffer_size,
-				 bsm->rx_buf[my_thread_id]);
-    }
-  while (actual_transfer > 0);
-  return 0;
-}
-
-int
-builtin_server_rx_callback (stream_session_t * s)
-{
-  u32 n_written, max_dequeue, max_enqueue, max_transfer;
-  int actual_transfer;
-  svm_fifo_t *tx_fifo, *rx_fifo;
-  builtin_server_main_t *bsm = &builtin_server_main;
-  session_fifo_event_t evt;
-  u32 thread_index = vlib_get_thread_index ();
-
-  ASSERT (s->thread_index == thread_index);
-
-  rx_fifo = s->server_rx_fifo;
-  tx_fifo = s->server_tx_fifo;
-
-  ASSERT (rx_fifo->master_thread_index == thread_index);
-  ASSERT (tx_fifo->master_thread_index == thread_index);
-
-  max_dequeue = svm_fifo_max_dequeue (s->server_rx_fifo);
-  max_enqueue = svm_fifo_max_enqueue (s->server_tx_fifo);
-
-  if (PREDICT_FALSE (max_dequeue == 0))
-    return 0;
-
-  /* Number of bytes we're going to copy */
-  max_transfer = (max_dequeue < max_enqueue) ? max_dequeue : max_enqueue;
-
-  /* No space in tx fifo */
-  if (PREDICT_FALSE (max_transfer == 0))
-    {
-      /* XXX timeout for session that are stuck */
-
-    rx_event:
-      /* Program self-tap to retry */
-      if (svm_fifo_set_event (rx_fifo))
-	{
-	  svm_queue_t *q;
-	  evt.fifo = rx_fifo;
-	  evt.event_type = FIFO_EVENT_BUILTIN_RX;
-
-	  q = bsm->vpp_queue[thread_index];
-	  if (PREDICT_FALSE (q->cursize == q->maxsize))
-	    clib_warning ("out of event queue space");
-	  else if (svm_queue_add (q, (u8 *) & evt, 0))
-	    clib_warning ("failed to enqueue self-tap");
-
-	  if (bsm->rx_retries[thread_index][s->session_index] == 500000)
-	    {
-	      clib_warning ("session stuck: %U", format_stream_session, s, 2);
-	    }
-	  if (bsm->rx_retries[thread_index][s->session_index] < 500001)
-	    bsm->rx_retries[thread_index][s->session_index]++;
-	}
-
-      return 0;
-    }
-
-  _vec_len (bsm->rx_buf[thread_index]) = max_transfer;
-
-  actual_transfer = svm_fifo_dequeue_nowait (rx_fifo, max_transfer,
-					     bsm->rx_buf[thread_index]);
-  ASSERT (actual_transfer == max_transfer);
-
-//  test_bytes (bsm, actual_transfer);
-
-  /*
-   * Echo back
-   */
-
-  n_written = svm_fifo_enqueue_nowait (tx_fifo, actual_transfer,
-				       bsm->rx_buf[thread_index]);
-
-  if (n_written != max_transfer)
-    clib_warning ("short trout!");
-
-  if (svm_fifo_set_event (tx_fifo))
-    {
-      /* Fabricate TX event, send to vpp */
-      evt.fifo = tx_fifo;
-      evt.event_type = FIFO_EVENT_APP_TX;
-
-      if (svm_queue_add (bsm->vpp_queue[s->thread_index],
-			 (u8 *) & evt, 0 /* do wait for mutex */ ))
-	clib_warning ("failed to enqueue tx evt");
-    }
-
-  if (PREDICT_FALSE (n_written < max_dequeue))
-    goto rx_event;
-
-  return 0;
-}
-
-static session_cb_vft_t builtin_session_cb_vft = {
-  .session_accept_callback = builtin_session_accept_callback,
-  .session_disconnect_callback = builtin_session_disconnect_callback,
-  .session_connected_callback = builtin_session_connected_callback,
-  .add_segment_callback = builtin_add_segment_callback,
-  .redirect_connect_callback = builtin_redirect_connect_callback,
-  .builtin_server_rx_callback = builtin_server_rx_callback,
-  .session_reset_callback = builtin_session_reset_callback
-};
-
-/* Abuse VPP's input queue */
-static int
-create_api_loopback (vlib_main_t * vm)
-{
-  builtin_server_main_t *bsm = &builtin_server_main;
-  api_main_t *am = &api_main;
-  vl_shmem_hdr_t *shmem_hdr;
-
-  shmem_hdr = am->shmem_hdr;
-  bsm->vl_input_queue = shmem_hdr->vl_input_queue;
-  bsm->my_client_index =
-    vl_api_memclnt_create_internal ("tcp_test_server", bsm->vl_input_queue);
-  return 0;
-}
-
-static int
-server_attach (u8 * appns_id, u64 appns_flags, u64 appns_secret)
-{
-  builtin_server_main_t *bsm = &builtin_server_main;
-  u64 options[APP_OPTIONS_N_OPTIONS];
-  vnet_app_attach_args_t _a, *a = &_a;
-  u32 segment_size = 512 << 20;
-
-  memset (a, 0, sizeof (*a));
-  memset (options, 0, sizeof (options));
-
-  if (bsm->no_echo)
-    builtin_session_cb_vft.builtin_server_rx_callback =
-      builtin_server_rx_callback_no_echo;
-  else
-    builtin_session_cb_vft.builtin_server_rx_callback =
-      builtin_server_rx_callback;
-
-  if (bsm->private_segment_size)
-    segment_size = bsm->private_segment_size;
-
-  a->api_client_index = bsm->my_client_index;
-  a->session_cb_vft = &builtin_session_cb_vft;
-  a->options = options;
-  a->options[APP_OPTIONS_SEGMENT_SIZE] = segment_size;
-  a->options[APP_OPTIONS_RX_FIFO_SIZE] = bsm->fifo_size;
-  a->options[APP_OPTIONS_TX_FIFO_SIZE] = bsm->fifo_size;
-  a->options[APP_OPTIONS_PRIVATE_SEGMENT_COUNT] = bsm->private_segment_count;
-  a->options[APP_OPTIONS_PREALLOC_FIFO_PAIRS] =
-    bsm->prealloc_fifos ? bsm->prealloc_fifos : 1;
-
-  a->options[APP_OPTIONS_FLAGS] = APP_OPTIONS_FLAGS_IS_BUILTIN;
-  if (appns_id)
-    {
-      a->namespace_id = appns_id;
-      a->options[APP_OPTIONS_FLAGS] |= appns_flags;
-      a->options[APP_OPTIONS_NAMESPACE_SECRET] = appns_secret;
-    }
-
-  if (vnet_application_attach (a))
-    {
-      clib_warning ("failed to attach server");
-      return -1;
-    }
-  bsm->app_index = a->app_index;
-  return 0;
-}
-
-static int
-server_listen ()
-{
-  builtin_server_main_t *bsm = &builtin_server_main;
-  vnet_bind_args_t _a, *a = &_a;
-  memset (a, 0, sizeof (*a));
-  a->app_index = bsm->app_index;
-  a->uri = bsm->server_uri;
-  return vnet_bind_uri (a);
-}
-
-static int
-server_create (vlib_main_t * vm, u8 * appns_id, u64 appns_flags,
-	       u64 appns_secret)
-{
-  builtin_server_main_t *bsm = &builtin_server_main;
-  vlib_thread_main_t *vtm = vlib_get_thread_main ();
-  u32 num_threads;
-  int i;
-
-  if (bsm->my_client_index == (u32) ~ 0)
-    {
-      if (create_api_loopback (vm))
-	{
-	  clib_warning ("failed to create api loopback");
-	  return -1;
-	}
-    }
-
-  num_threads = 1 /* main thread */  + vtm->n_threads;
-  vec_validate (builtin_server_main.vpp_queue, num_threads - 1);
-  vec_validate (bsm->rx_buf, num_threads - 1);
-  vec_validate (bsm->rx_retries, num_threads - 1);
-
-  for (i = 0; i < num_threads; i++)
-    vec_validate (bsm->rx_buf[i], bsm->rcv_buffer_size);
-
-  if (server_attach (appns_id, appns_flags, appns_secret))
-    {
-      clib_warning ("failed to attach server");
-      return -1;
-    }
-  if (server_listen ())
-    {
-      clib_warning ("failed to start listening");
-      return -1;
-    }
-  return 0;
-}
-
-static clib_error_t *
-server_create_command_fn (vlib_main_t * vm, unformat_input_t * input,
-			  vlib_cli_command_t * cmd)
-{
-  builtin_server_main_t *bsm = &builtin_server_main;
-  u8 server_uri_set = 0, *appns_id = 0;
-  u64 tmp, appns_flags = 0, appns_secret = 0;
-  int rv;
-
-  bsm->no_echo = 0;
-  bsm->fifo_size = 64 << 10;
-  bsm->rcv_buffer_size = 128 << 10;
-  bsm->prealloc_fifos = 0;
-  bsm->private_segment_count = 0;
-  bsm->private_segment_size = 0;
-  vec_free (bsm->server_uri);
-
-  while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
-    {
-      if (unformat (input, "no-echo"))
-	bsm->no_echo = 1;
-      else if (unformat (input, "fifo-size %d", &bsm->fifo_size))
-	bsm->fifo_size <<= 10;
-      else if (unformat (input, "rcv-buf-size %d", &bsm->rcv_buffer_size))
-	;
-      else if (unformat (input, "prealloc-fifos %d", &bsm->prealloc_fifos))
-	;
-      else if (unformat (input, "private-segment-count %d",
-			 &bsm->private_segment_count))
-	;
-      else if (unformat (input, "private-segment-size %U",
-			 unformat_memory_size, &tmp))
-	{
-	  if (tmp >= 0x100000000ULL)
-	    return clib_error_return
-	      (0, "private segment size %lld (%llu) too large", tmp, tmp);
-	  bsm->private_segment_size = tmp;
-	}
-      else if (unformat (input, "uri %s", &bsm->server_uri))
-	server_uri_set = 1;
-      else if (unformat (input, "appns %_%v%_", &appns_id))
-	;
-      else if (unformat (input, "all-scope"))
-	appns_flags |= (APP_OPTIONS_FLAGS_USE_GLOBAL_SCOPE
-			| APP_OPTIONS_FLAGS_USE_LOCAL_SCOPE);
-      else if (unformat (input, "local-scope"))
-	appns_flags |= APP_OPTIONS_FLAGS_USE_LOCAL_SCOPE;
-      else if (unformat (input, "global-scope"))
-	appns_flags |= APP_OPTIONS_FLAGS_USE_GLOBAL_SCOPE;
-      else if (unformat (input, "secret %lu", &appns_secret))
-	;
-      else
-	return clib_error_return (0, "unknown input `%U'",
-				  format_unformat_error, input);
-    }
-
-  vnet_session_enable_disable (vm, 1 /* turn on TCP, etc. */ );
-
-  if (!server_uri_set)
-    bsm->server_uri = (char *) format (0, "tcp://0.0.0.0/1234%c", 0);
-
-  rv = server_create (vm, appns_id, appns_flags, appns_secret);
-  vec_free (appns_id);
-  switch (rv)
-    {
-    case 0:
-      break;
-    default:
-      return clib_error_return (0, "server_create returned %d", rv);
-    }
-
-  return 0;
-}
-
-/* *INDENT-OFF* */
-VLIB_CLI_COMMAND (server_create_command, static) =
-{
-  .path = "test tcp server",
-  .short_help = "test tcp server [no echo][fifo-size <mbytes>] "
-      "[rcv-buf-size <bytes>][prealloc-fifos <count>]"
-      "[private-segment-count <count>][private-segment-size <bytes[m|g]>]"
-      "[uri <tcp://ip/port>]",
-  .function = server_create_command_fn,
-};
-/* *INDENT-ON* */
-
-clib_error_t *
-builtin_tcp_server_main_init (vlib_main_t * vm)
-{
-  builtin_server_main_t *bsm = &builtin_server_main;
-  bsm->my_client_index = ~0;
-  return 0;
-}
-
-VLIB_INIT_FUNCTION (builtin_tcp_server_main_init);
-
-/*
-* fd.io coding-style-patch-verification: ON
-*
-* Local Variables:
-* eval: (c-set-style "gnu")
-* End:
-*/