summaryrefslogtreecommitdiffstats
path: root/test/ipfix.py
diff options
context:
space:
mode:
authorPaul Vinciguerra <pvinci@vinciconsulting.com>2019-06-19 21:21:13 -0400
committerNeale Ranns <nranns@cisco.com>2019-06-20 07:29:36 +0000
commit2f5fd365e0e29456b87de91ecbf2bf86c16386bf (patch)
treec71d2685ce7b458626feaa28c63e2dbd7cb27ff5 /test/ipfix.py
parent48664591c4453d9256355ab91df0f1a097c2fd36 (diff)
tests: move output from CI results and put in log
NAT session details are output to the test results. Twice NAT44 OK Acquire twice NAT44 addresses from interface OK 21:10:42,661 NAT44 sessions: -------- thread 0 vpp_main: 1 sessions -------- 172.16.1.2: 0 dynamic translations, 1 static translations i2o 172.16.1.2 proto tcp port 8080 fib 0 o2i 10.0.0.3 proto tcp port 80 fib 0 external host o2i 172.16.2.2:4567 i2o 10.0.1.3:42296 index 1869 last heard 97.99 total pkts 2, total bytes 80 static translation load-balancing twice-nat Twice NAT44 local service load balancing OK NAT44 translate packet with unknown protocol OK Type: test Change-Id: I932a4a1133d597bb82da6e04f2ea833094a481da Signed-off-by: Paul Vinciguerra <pvinci@vinciconsulting.com>
Diffstat (limited to 'test/ipfix.py')
0 files changed, 0 insertions, 0 deletions
152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 
/*
* 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
   */
  unix_shared_memory_queue_t **vpp_queue;
  unix_shared_memory_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 = stream_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 u8 * seg_name, u32 seg_size)
{
  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;
  static int serial_number = 0;
  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))
	{
	  unix_shared_memory_queue_t *q;
	  evt.fifo = rx_fifo;
	  evt.event_type = FIFO_EVENT_BUILTIN_RX;
	  evt.event_id = 0;

	  q = bsm->vpp_queue[thread_index];
	  if (PREDICT_FALSE (q->cursize == q->maxsize))
	    clib_warning ("out of event queue space");
	  else if (unix_shared_memory_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;
      evt.event_id = serial_number++;

      if (unix_shared_memory_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 ()
{
  builtin_server_main_t *bsm = &builtin_server_main;
  u8 segment_name[128];
  u64 options[SESSION_OPTIONS_N_OPTIONS];
  vnet_app_attach_args_t _a, *a = &_a;

  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;
  a->api_client_index = bsm->my_client_index;
  a->session_cb_vft = &builtin_session_cb_vft;
  a->options = options;
  a->options[SESSION_OPTIONS_SEGMENT_SIZE] = 512 << 20;
  a->options[SESSION_OPTIONS_RX_FIFO_SIZE] = bsm->fifo_size;
  a->options[SESSION_OPTIONS_TX_FIFO_SIZE] = bsm->fifo_size;
  a->options[APP_OPTIONS_PRIVATE_SEGMENT_COUNT] = bsm->private_segment_count;
  a->options[APP_OPTIONS_PRIVATE_SEGMENT_SIZE] = bsm->private_segment_size;
  a->options[APP_OPTIONS_PREALLOC_FIFO_PAIRS] =
    bsm->prealloc_fifos ? bsm->prealloc_fifos : 1;

  a->options[APP_OPTIONS_FLAGS] = APP_OPTIONS_FLAGS_BUILTIN_APP;

  a->segment_name = segment_name;
  a->segment_name_length = ARRAY_LEN (segment_name);

  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)
{
  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 ())
    {
      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;
  int rv;
  u32 tmp;

  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 %dm", &tmp))
	bsm->private_segment_size = tmp << 20;
      else if (unformat (input, "private-segment-size %dg", &tmp))
	bsm->private_segment_size = tmp << 30;
      else if (unformat (input, "private-segment-size %d", &tmp))
	bsm->private_segment_size = tmp;
      else if (unformat (input, "uri %s", &bsm->server_uri))
	server_uri_set = 1;
      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);
  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:
*/