1 files changed, 0 insertions, 588 deletions

diff --git a/src/vnet/session-apps/echo_server.c b/src/vnet/session-apps/echo_server.c
deleted file mode 100644
index b7a74818cca..00000000000
--- a/src/vnet/session-apps/echo_server.c
+++ /dev/null
@@ -1,588 +0,0 @@
-/*
-* Copyright (c) 2017-2019 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/session/session.h>
-
-#define ECHO_SERVER_DBG (0)
-#define DBG(_fmt, _args...)			\
-    if (ECHO_SERVER_DBG) 				\
-      clib_warning (_fmt, ##_args)
-
-typedef struct
-{
-  /*
-   * Server app parameters
-   */
-  svm_msg_q_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 event 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 */
-  u32 tls_engine;		/**< TLS engine: mbedtls/openssl */
-  u8 is_dgram;			/**< set if transport is dgram */
-  /*
-   * Test state
-   */
-  u8 **rx_buf;			/**< Per-thread RX buffer */
-  u64 byte_index;
-  u32 **rx_retries;
-  u8 transport_proto;
-  u64 listener_handle;		/**< Session handle of the root listener */
-
-  vlib_main_t *vlib_main;
-} echo_server_main_t;
-
-echo_server_main_t echo_server_main;
-
-int
-quic_echo_server_qsession_accept_callback (session_t * s)
-{
-  DBG ("QSession %u accept w/opaque %d", s->session_index, s->opaque);
-  return 0;
-}
-
-int
-quic_echo_server_session_accept_callback (session_t * s)
-{
-  echo_server_main_t *esm = &echo_server_main;
-  if (s->listener_handle == esm->listener_handle)
-    return quic_echo_server_qsession_accept_callback (s);
-  DBG ("SSESSION %u accept w/opaque %d", s->session_index, s->opaque);
-
-  esm->vpp_queue[s->thread_index] =
-    session_main_get_vpp_event_queue (s->thread_index);
-  s->session_state = SESSION_STATE_READY;
-  esm->byte_index = 0;
-  ASSERT (vec_len (esm->rx_retries) > s->thread_index);
-  vec_validate (esm->rx_retries[s->thread_index], s->session_index);
-  esm->rx_retries[s->thread_index][s->session_index] = 0;
-  return 0;
-}
-
-int
-echo_server_session_accept_callback (session_t * s)
-{
-  echo_server_main_t *esm = &echo_server_main;
-  esm->vpp_queue[s->thread_index] =
-    session_main_get_vpp_event_queue (s->thread_index);
-  s->session_state = SESSION_STATE_READY;
-  esm->byte_index = 0;
-  ASSERT (vec_len (esm->rx_retries) > s->thread_index);
-  vec_validate (esm->rx_retries[s->thread_index], s->session_index);
-  esm->rx_retries[s->thread_index][s->session_index] = 0;
-  return 0;
-}
-
-void
-echo_server_session_disconnect_callback (session_t * s)
-{
-  echo_server_main_t *esm = &echo_server_main;
-  vnet_disconnect_args_t _a = { 0 }, *a = &_a;
-
-  a->handle = session_handle (s);
-  a->app_index = esm->app_index;
-  vnet_disconnect_session (a);
-}
-
-void
-echo_server_session_reset_callback (session_t * s)
-{
-  echo_server_main_t *esm = &echo_server_main;
-  vnet_disconnect_args_t _a = { 0 }, *a = &_a;
-  clib_warning ("Reset session %U", format_session, s, 2);
-  a->handle = session_handle (s);
-  a->app_index = esm->app_index;
-  vnet_disconnect_session (a);
-}
-
-int
-echo_server_session_connected_callback (u32 app_index, u32 api_context,
-					session_t * s, u8 is_fail)
-{
-  clib_warning ("called...");
-  return -1;
-}
-
-int
-echo_server_add_segment_callback (u32 client_index, u64 segment_handle)
-{
-  /* New heaps may be added */
-  return 0;
-}
-
-int
-echo_server_redirect_connect_callback (u32 client_index, void *mp)
-{
-  clib_warning ("called...");
-  return -1;
-}
-
-void
-test_bytes (echo_server_main_t * esm, int actual_transfer)
-{
-  int i;
-  u32 my_thread_id = vlib_get_thread_index ();
-
-  for (i = 0; i < actual_transfer; i++)
-    {
-      if (esm->rx_buf[my_thread_id][i] != ((esm->byte_index + i) & 0xff))
-	{
-	  clib_warning ("at %lld expected %d got %d", esm->byte_index + i,
-			(esm->byte_index + i) & 0xff,
-			esm->rx_buf[my_thread_id][i]);
-	}
-    }
-  esm->byte_index += actual_transfer;
-}
-
-/*
- * If no-echo, just drop the data and be done with it.
- */
-int
-echo_server_builtin_server_rx_callback_no_echo (session_t * s)
-{
-  svm_fifo_t *rx_fifo = s->rx_fifo;
-  svm_fifo_dequeue_drop (rx_fifo, svm_fifo_max_dequeue_cons (rx_fifo));
-  return 0;
-}
-
-int
-echo_server_rx_callback (session_t * s)
-{
-  u32 n_written, max_dequeue, max_enqueue, max_transfer;
-  int actual_transfer;
-  svm_fifo_t *tx_fifo, *rx_fifo;
-  echo_server_main_t *esm = &echo_server_main;
-  u32 thread_index = vlib_get_thread_index ();
-  app_session_transport_t at;
-
-  ASSERT (s->thread_index == thread_index);
-
-  rx_fifo = s->rx_fifo;
-  tx_fifo = s->tx_fifo;
-
-  ASSERT (rx_fifo->master_thread_index == thread_index);
-  ASSERT (tx_fifo->master_thread_index == thread_index);
-
-  max_enqueue = svm_fifo_max_enqueue_prod (tx_fifo);
-  if (!esm->is_dgram)
-    {
-      max_dequeue = svm_fifo_max_dequeue_cons (rx_fifo);
-    }
-  else
-    {
-      session_dgram_pre_hdr_t ph;
-      svm_fifo_peek (rx_fifo, 0, sizeof (ph), (u8 *) & ph);
-      max_dequeue = ph.data_length - ph.data_offset;
-      if (!esm->vpp_queue[s->thread_index])
-	{
-	  svm_msg_q_t *mq;
-	  mq = session_main_get_vpp_event_queue (s->thread_index);
-	  esm->vpp_queue[s->thread_index] = mq;
-	}
-      max_enqueue -= sizeof (session_dgram_hdr_t);
-    }
-
-  if (PREDICT_FALSE (max_dequeue == 0))
-    return 0;
-
-  /* Number of bytes we're going to copy */
-  max_transfer = clib_min (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))
-	{
-	  if (session_send_io_evt_to_thread (rx_fifo,
-					     SESSION_IO_EVT_BUILTIN_RX))
-	    clib_warning ("failed to enqueue self-tap");
-
-	  vec_validate (esm->rx_retries[s->thread_index], s->session_index);
-	  if (esm->rx_retries[thread_index][s->session_index] == 500000)
-	    {
-	      clib_warning ("session stuck: %U", format_session, s, 2);
-	    }
-	  if (esm->rx_retries[thread_index][s->session_index] < 500001)
-	    esm->rx_retries[thread_index][s->session_index]++;
-	}
-
-      return 0;
-    }
-
-  vec_validate (esm->rx_buf[thread_index], max_transfer);
-  if (!esm->is_dgram)
-    {
-      actual_transfer = app_recv_stream_raw (rx_fifo,
-					     esm->rx_buf[thread_index],
-					     max_transfer,
-					     0 /* don't clear event */ ,
-					     0 /* peek */ );
-    }
-  else
-    {
-      actual_transfer = app_recv_dgram_raw (rx_fifo,
-					    esm->rx_buf[thread_index],
-					    max_transfer, &at,
-					    0 /* don't clear event */ ,
-					    0 /* peek */ );
-    }
-  ASSERT (actual_transfer == max_transfer);
-  /* test_bytes (esm, actual_transfer); */
-
-  /*
-   * Echo back
-   */
-
-  if (!esm->is_dgram)
-    {
-      n_written = app_send_stream_raw (tx_fifo,
-				       esm->vpp_queue[thread_index],
-				       esm->rx_buf[thread_index],
-				       actual_transfer, SESSION_IO_EVT_TX,
-				       1 /* do_evt */ , 0);
-    }
-  else
-    {
-      n_written = app_send_dgram_raw (tx_fifo, &at,
-				      esm->vpp_queue[s->thread_index],
-				      esm->rx_buf[thread_index],
-				      actual_transfer, SESSION_IO_EVT_TX,
-				      1 /* do_evt */ , 0);
-    }
-
-  if (n_written != max_transfer)
-    clib_warning ("short trout! written %u read %u", n_written, max_transfer);
-
-  if (PREDICT_FALSE (svm_fifo_max_dequeue_cons (rx_fifo)))
-    goto rx_event;
-
-  return 0;
-}
-
-static session_cb_vft_t echo_server_session_cb_vft = {
-  .session_accept_callback = echo_server_session_accept_callback,
-  .session_disconnect_callback = echo_server_session_disconnect_callback,
-  .session_connected_callback = echo_server_session_connected_callback,
-  .add_segment_callback = echo_server_add_segment_callback,
-  .builtin_app_rx_callback = echo_server_rx_callback,
-  .session_reset_callback = echo_server_session_reset_callback
-};
-
-/* Abuse VPP's input queue */
-static int
-create_api_loopback (vlib_main_t * vm)
-{
-  echo_server_main_t *esm = &echo_server_main;
-  api_main_t *am = &api_main;
-  vl_shmem_hdr_t *shmem_hdr;
-
-  shmem_hdr = am->shmem_hdr;
-  esm->vl_input_queue = shmem_hdr->vl_input_queue;
-  esm->my_client_index = vl_api_memclnt_create_internal ("echo_server",
-							 esm->vl_input_queue);
-  return 0;
-}
-
-static int
-echo_server_attach (u8 * appns_id, u64 appns_flags, u64 appns_secret)
-{
-  vnet_app_add_tls_cert_args_t _a_cert, *a_cert = &_a_cert;
-  vnet_app_add_tls_key_args_t _a_key, *a_key = &_a_key;
-  echo_server_main_t *esm = &echo_server_main;
-  vnet_app_attach_args_t _a, *a = &_a;
-  u64 options[APP_OPTIONS_N_OPTIONS];
-  u32 segment_size = 512 << 20;
-
-  clib_memset (a, 0, sizeof (*a));
-  clib_memset (options, 0, sizeof (options));
-
-  if (esm->no_echo)
-    echo_server_session_cb_vft.builtin_app_rx_callback =
-      echo_server_builtin_server_rx_callback_no_echo;
-  else
-    echo_server_session_cb_vft.builtin_app_rx_callback =
-      echo_server_rx_callback;
-  if (esm->transport_proto == TRANSPORT_PROTO_QUIC)
-    echo_server_session_cb_vft.session_accept_callback =
-      quic_echo_server_session_accept_callback;
-
-  if (esm->private_segment_size)
-    segment_size = esm->private_segment_size;
-
-  a->api_client_index = esm->my_client_index;
-  a->session_cb_vft = &echo_server_session_cb_vft;
-  a->options = options;
-  a->options[APP_OPTIONS_SEGMENT_SIZE] = segment_size;
-  a->options[APP_OPTIONS_ADD_SEGMENT_SIZE] = segment_size;
-  a->options[APP_OPTIONS_RX_FIFO_SIZE] = esm->fifo_size;
-  a->options[APP_OPTIONS_TX_FIFO_SIZE] = esm->fifo_size;
-  a->options[APP_OPTIONS_PRIVATE_SEGMENT_COUNT] = esm->private_segment_count;
-  a->options[APP_OPTIONS_TLS_ENGINE] = esm->tls_engine;
-  a->options[APP_OPTIONS_PREALLOC_FIFO_PAIRS] =
-    esm->prealloc_fifos ? esm->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;
-    }
-  esm->app_index = a->app_index;
-
-  clib_memset (a_cert, 0, sizeof (*a_cert));
-  a_cert->app_index = a->app_index;
-  vec_validate (a_cert->cert, test_srv_crt_rsa_len);
-  clib_memcpy_fast (a_cert->cert, test_srv_crt_rsa, test_srv_crt_rsa_len);
-  vnet_app_add_tls_cert (a_cert);
-
-  clib_memset (a_key, 0, sizeof (*a_key));
-  a_key->app_index = a->app_index;
-  vec_validate (a_key->key, test_srv_key_rsa_len);
-  clib_memcpy_fast (a_key->key, test_srv_key_rsa, test_srv_key_rsa_len);
-  vnet_app_add_tls_key (a_key);
-  return 0;
-}
-
-static int
-echo_server_detach (void)
-{
-  echo_server_main_t *esm = &echo_server_main;
-  vnet_app_detach_args_t _da, *da = &_da;
-  int rv;
-
-  da->app_index = esm->app_index;
-  rv = vnet_application_detach (da);
-  esm->app_index = ~0;
-  return rv;
-}
-
-static int
-echo_server_listen ()
-{
-  int rv;
-  echo_server_main_t *esm = &echo_server_main;
-  vnet_listen_args_t _a, *a = &_a;
-  clib_memset (a, 0, sizeof (*a));
-  a->app_index = esm->app_index;
-  a->uri = esm->server_uri;
-  rv = vnet_bind_uri (a);
-  esm->listener_handle = a->handle;
-  return rv;
-}
-
-static int
-echo_server_create (vlib_main_t * vm, u8 * appns_id, u64 appns_flags,
-		    u64 appns_secret)
-{
-  echo_server_main_t *esm = &echo_server_main;
-  vlib_thread_main_t *vtm = vlib_get_thread_main ();
-  u32 num_threads;
-  int i;
-
-  if (esm->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 (echo_server_main.vpp_queue, num_threads - 1);
-  vec_validate (esm->rx_buf, num_threads - 1);
-  vec_validate (esm->rx_retries, num_threads - 1);
-  for (i = 0; i < vec_len (esm->rx_retries); i++)
-    vec_validate (esm->rx_retries[i],
-		  pool_elts (session_main.wrk[i].sessions));
-  esm->rcv_buffer_size = clib_max (esm->rcv_buffer_size, esm->fifo_size);
-  for (i = 0; i < num_threads; i++)
-    vec_validate (esm->rx_buf[i], esm->rcv_buffer_size);
-
-  if (echo_server_attach (appns_id, appns_flags, appns_secret))
-    {
-      clib_warning ("failed to attach server");
-      return -1;
-    }
-  if (echo_server_listen ())
-    {
-      clib_warning ("failed to start listening");
-      if (echo_server_detach ())
-	clib_warning ("failed to detach");
-      return -1;
-    }
-  return 0;
-}
-
-static clib_error_t *
-echo_server_create_command_fn (vlib_main_t * vm, unformat_input_t * input,
-			       vlib_cli_command_t * cmd)
-{
-  echo_server_main_t *esm = &echo_server_main;
-  u8 server_uri_set = 0, *appns_id = 0;
-  u64 tmp, appns_flags = 0, appns_secret = 0;
-  char *default_uri = "tcp://0.0.0.0/1234";
-  int rv, is_stop = 0;
-  session_endpoint_cfg_t sep = SESSION_ENDPOINT_CFG_NULL;
-
-  esm->no_echo = 0;
-  esm->fifo_size = 64 << 10;
-  esm->rcv_buffer_size = 128 << 10;
-  esm->prealloc_fifos = 0;
-  esm->private_segment_count = 0;
-  esm->private_segment_size = 0;
-  esm->tls_engine = TLS_ENGINE_OPENSSL;
-  vec_free (esm->server_uri);
-
-  while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
-    {
-      if (unformat (input, "uri %s", &esm->server_uri))
-	server_uri_set = 1;
-      else if (unformat (input, "no-echo"))
-	esm->no_echo = 1;
-      else if (unformat (input, "fifo-size %d", &esm->fifo_size))
-	esm->fifo_size <<= 10;
-      else if (unformat (input, "rcv-buf-size %d", &esm->rcv_buffer_size))
-	;
-      else if (unformat (input, "prealloc-fifos %d", &esm->prealloc_fifos))
-	;
-      else if (unformat (input, "private-segment-count %d",
-			 &esm->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);
-	  esm->private_segment_size = tmp;
-	}
-      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, "stop"))
-	is_stop = 1;
-      else if (unformat (input, "tls-engine %d", &esm->tls_engine))
-	;
-      else
-	return clib_error_return (0, "failed: unknown input `%U'",
-				  format_unformat_error, input);
-    }
-
-  if (is_stop)
-    {
-      if (esm->app_index == (u32) ~ 0)
-	{
-	  clib_warning ("server not running");
-	  return clib_error_return (0, "failed: server not running");
-	}
-      rv = echo_server_detach ();
-      if (rv)
-	{
-	  clib_warning ("failed: detach");
-	  return clib_error_return (0, "failed: server detach %d", rv);
-	}
-      return 0;
-    }
-
-  vnet_session_enable_disable (vm, 1 /* turn on TCP, etc. */ );
-
-  if (!server_uri_set)
-    {
-      clib_warning ("No uri provided! Using default: %s", default_uri);
-      esm->server_uri = (char *) format (0, "%s%c", default_uri, 0);
-    }
-
-  if ((rv = parse_uri ((char *) esm->server_uri, &sep)))
-    return clib_error_return (0, "Uri parse error: %d", rv);
-  esm->transport_proto = sep.transport_proto;
-  esm->is_dgram = (sep.transport_proto == TRANSPORT_PROTO_UDP);
-
-  rv = echo_server_create (vm, appns_id, appns_flags, appns_secret);
-  vec_free (appns_id);
-  if (rv)
-    {
-      vec_free (esm->server_uri);
-      return clib_error_return (0, "failed: server_create returned %d", rv);
-    }
-
-  return 0;
-}
-
-/* *INDENT-OFF* */
-VLIB_CLI_COMMAND (echo_server_create_command, static) =
-{
-  .path = "test echo server",
-  .short_help = "test echo server proto <proto> [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 = echo_server_create_command_fn,
-};
-/* *INDENT-ON* */
-
-clib_error_t *
-echo_server_main_init (vlib_main_t * vm)
-{
-  echo_server_main_t *esm = &echo_server_main;
-  esm->my_client_index = ~0;
-  return 0;
-}
-
-VLIB_INIT_FUNCTION (echo_server_main_init);
-
-/*
-* fd.io coding-style-patch-verification: ON
-*
-* Local Variables:
-* eval: (c-set-style "gnu")
-* End:
-*/