aboutsummaryrefslogtreecommitdiffstats
path: root/src/plugins/hs_apps/vcl/vcl_test.h
blob: 11667fb144a8f7f3ac8bd9621e8a7d04b6b20901 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
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
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
/*
 * Copyright (c) 2017-2021 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.
 */

#ifndef __vcl_test_h__
#define __vcl_test_h__

#include <hs_apps/hs_test.h>
#include <netdb.h>
#include <errno.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <vcl/vppcom.h>

#define vtfail(_fn, _rv)						\
{									\
  errno = -_rv;								\
  perror ("ERROR when calling " _fn);					\
  fprintf (stderr, "\nERROR: " _fn " failed (errno = %d)!\n", -_rv);	\
  exit (1);								\
}

#define vterr(_fn, _rv)							\
{									\
  errno = -_rv;								\
  fprintf (stderr, "\nERROR: " _fn " failed (errno = %d)!\n", -_rv);	\
}

#define vtwrn(_fmt, _args...)						\
  fprintf (stderr, "\nERROR: " _fmt "\n", ##_args)			\

#define vtinf(_fmt, _args...)						\
  fprintf (stdout, "vt<w%u>: " _fmt "\n", __wrk_index, ##_args)

#define vt_atomic_add(_ptr, _val) 					\
  __atomic_fetch_add (_ptr, _val, __ATOMIC_RELEASE)

#define VCL_TEST_SERVER_PORT         	22000
#define VCL_TEST_LOCALHOST_IPADDR    	"127.0.0.1"

#define VCL_TEST_CFG_BUF_SIZE_MIN    	128
#define VCL_TEST_CFG_MAX_TEST_SESS	((uint32_t) 1e6)
#define VCL_TEST_CFG_MAX_SELECT_SESS	512
#define VCL_TEST_CFG_INIT_TEST_SESS	512
#define VCL_TEST_CFG_MAX_EPOLL_EVENTS 	16

#define VCL_TEST_CTRL_LISTENER		(~0 - 1)
#define VCL_TEST_DATA_LISTENER		(~0)
#define VCL_TEST_DELAY_DISCONNECT	1

typedef struct
{
  uint64_t rx_xacts;
  uint64_t rx_bytes;
  uint32_t rx_eagain;
  uint32_t rx_incomp;
  uint64_t tx_xacts;
  uint64_t tx_bytes;
  uint32_t tx_eagain;
  uint32_t tx_incomp;
  struct timespec start;
  struct timespec stop;
} vcl_test_stats_t;

typedef struct vcl_test_session
{
  uint8_t is_done;
  uint8_t is_alloc : 1;
  uint8_t is_open : 1;
  uint8_t noblk_connect : 1;
  int fd;
  int (*read) (struct vcl_test_session *ts, void *buf, uint32_t buflen);
  int (*write) (struct vcl_test_session *ts, void *buf, uint32_t buflen);
  uint32_t txbuf_size;
  uint32_t rxbuf_size;
  char *txbuf;
  char *rxbuf;
  hs_test_cfg_t cfg;
  vcl_test_stats_t stats;
  vcl_test_stats_t old_stats;
  int session_index;
  struct vcl_test_session *next;
  vppcom_endpt_t endpt;
  uint8_t ip[16];
  vppcom_data_segment_t ds[2];
  void *opaque;
} vcl_test_session_t;

static __thread int __wrk_index = 0;

static inline int
vcl_test_worker_index (void)
{
  return __wrk_index;
}

typedef struct
{
  int (*init) (hs_test_cfg_t *cfg);
  int (*open) (vcl_test_session_t *ts, vppcom_endpt_t *endpt);
  int (*listen) (vcl_test_session_t *ts, vppcom_endpt_t *endpt);
  int (*accept) (int listen_fd, vcl_test_session_t *ts);
  int (*close) (vcl_test_session_t *ts);
} vcl_test_proto_vft_t;

typedef struct
{
  vcl_test_session_t *qsessions;
  uint32_t n_qsessions;
  uint32_t n_sessions;
} vcl_test_wrk_t;

typedef struct
{
  const vcl_test_proto_vft_t *protos[VPPCOM_PROTO_HTTP + 1];
  uint32_t ckpair_index;
  hs_test_cfg_t cfg;
  vcl_test_wrk_t *wrk;
} vcl_test_main_t;

extern vcl_test_main_t vcl_test_main;

#define VCL_TEST_REGISTER_PROTO(proto, vft)                                   \
  static void __attribute__ ((constructor)) vcl_test_init_##proto (void)      \
  {                                                                           \
    vcl_test_main.protos[proto] = &vft;                                       \
  }

static inline void
vcl_test_stats_accumulate (vcl_test_stats_t * accum, vcl_test_stats_t * incr)
{
  accum->rx_xacts += incr->rx_xacts;
  accum->rx_bytes += incr->rx_bytes;
  accum->rx_eagain += incr->rx_eagain;
  accum->rx_incomp += incr->rx_incomp;
  accum->tx_xacts += incr->tx_xacts;
  accum->tx_bytes += incr->tx_bytes;
  accum->tx_eagain += incr->tx_eagain;
  accum->tx_incomp += incr->tx_incomp;
}

static inline void
vcl_test_buf_alloc (hs_test_cfg_t *cfg, uint8_t is_rxbuf, uint8_t **buf,
		    uint32_t *bufsize)
{
  uint32_t alloc_size = is_rxbuf ? cfg->rxbuf_size : cfg->txbuf_size;
  uint8_t *lb = realloc (*buf, (size_t) alloc_size);

  if (lb)
    {
      if (is_rxbuf)
	cfg->rxbuf_size = *bufsize = alloc_size;
      else
	cfg->txbuf_size = *bufsize = alloc_size;

      *buf = lb;
    }
  else
    {
      vtwrn ("realloc failed. using buffer size %d instead of %u",
	     *bufsize, alloc_size);
    }
}

static inline void
vcl_test_session_buf_alloc (vcl_test_session_t *ts)
{
  ts->rxbuf_size = ts->cfg.rxbuf_size;
  ts->txbuf_size = ts->cfg.txbuf_size;
  vcl_test_buf_alloc (&ts->cfg, 0 /* is_rxbuf */, (uint8_t **) &ts->txbuf,
		      &ts->txbuf_size);
  vcl_test_buf_alloc (&ts->cfg, 1 /* is_rxbuf */, (uint8_t **) &ts->rxbuf,
		      &ts->rxbuf_size);
}

static inline void
vcl_test_session_buf_free (vcl_test_session_t *ts)
{
  free (ts->rxbuf);
  free (ts->txbuf);
  ts->rxbuf = 0;
  ts->txbuf = 0;
}

static inline void
vcl_test_stats_dump (char *header, vcl_test_stats_t * stats,
		     uint8_t show_rx, uint8_t show_tx, uint8_t verbose)
{
  struct timespec diff;
  double duration, rate;
  uint64_t total_bytes;

  if ((stats->stop.tv_nsec - stats->start.tv_nsec) < 0)
    {
      diff.tv_sec = stats->stop.tv_sec - stats->start.tv_sec - 1;
      diff.tv_nsec = stats->stop.tv_nsec - stats->start.tv_nsec + 1e9;
    }
  else
    {
      diff.tv_sec = stats->stop.tv_sec - stats->start.tv_sec;
      diff.tv_nsec = stats->stop.tv_nsec - stats->start.tv_nsec;
    }
  duration = (double) diff.tv_sec + (1e-9 * diff.tv_nsec);

  total_bytes = stats->tx_bytes + stats->rx_bytes;
  rate = (double) total_bytes *8 / duration / 1e9;
  printf ("\n%s: Streamed %lu bytes\n"
	  "  in %lf seconds (%lf Gbps %s-duplex)!\n",
	  header, total_bytes, duration, rate,
	  (show_rx && show_tx) ? "full" : "half");

  if (show_tx)
    {
      printf (HS_TEST_SEPARATOR_STRING
	      "  tx stats (0x%p):\n" HS_TEST_SEPARATOR_STRING
	      "         writes:  %lu (0x%08lx)\n"
	      "       tx bytes:  %lu (0x%08lx)\n"
	      "      tx eagain:  %u (0x%08x)\n"
	      "  tx incomplete:  %u (0x%08x)\n",
	      (void *) stats, stats->tx_xacts, stats->tx_xacts,
	      stats->tx_bytes, stats->tx_bytes, stats->tx_eagain,
	      stats->tx_eagain, stats->tx_incomp, stats->tx_incomp);
    }
  if (show_rx)
    {
      printf (HS_TEST_SEPARATOR_STRING
	      "  rx stats (0x%p):\n" HS_TEST_SEPARATOR_STRING
	      "          reads:  %lu (0x%08lx)\n"
	      "       rx bytes:  %lu (0x%08lx)\n"
	      "      rx eagain:  %u (0x%08x)\n"
	      "  rx incomplete:  %u (0x%08x)\n",
	      (void *) stats, stats->rx_xacts, stats->rx_xacts,
	      stats->rx_bytes, stats->rx_bytes, stats->rx_eagain,
	      stats->rx_eagain, stats->rx_incomp, stats->rx_incomp);
    }
  if (verbose)
    printf ("   start.tv_sec:  %ld\n"
	    "  start.tv_nsec:  %ld\n"
	    "    stop.tv_sec:  %ld\n"
	    "   stop.tv_nsec:  %ld\n",
	    stats->start.tv_sec, stats->start.tv_nsec,
	    stats->stop.tv_sec, stats->stop.tv_nsec);

  printf (HS_TEST_SEPARATOR_STRING);
}

static inline double
vcl_test_time_diff (struct timespec *old, struct timespec *new)
{
  uint64_t sec, nsec;
  if ((new->tv_nsec - old->tv_nsec) < 0)
    {
      sec = new->tv_sec - old->tv_sec - 1;
      nsec = new->tv_nsec - old->tv_nsec + 1e9;
    }
  else
    {
      sec = new->tv_sec - old->tv_sec;
      nsec = new->tv_nsec - old->tv_nsec;
    }
  return (double) sec + (1e-9 * nsec);
}

static inline void
vcl_test_stats_dump_inc (vcl_test_session_t *ts, int is_rx)
{
  vcl_test_stats_t *old, *new;
  double duration, rate;
  uint64_t total_bytes;
  char *dir_str;

  old = &ts->old_stats;
  new = &ts->stats;
  duration = vcl_test_time_diff (&old->stop, &new->stop);

  if (is_rx)
    {
      total_bytes = new->rx_bytes - old->rx_bytes;
      dir_str = "Received";
    }
  else
    {
      total_bytes = new->tx_bytes - old->tx_bytes;
      dir_str = "Sent";
    }

  rate = (double) total_bytes * 8 / duration / 1e9;
  printf ("%d: %s %lu Mbytes in %.2lf seconds %.2lf Gbps\n", ts->fd, dir_str,
	  (uint64_t) (total_bytes / 1e6), duration, rate);
}

static inline int
vcl_comp_tspec (struct timespec *a, struct timespec *b)
{
  if (a->tv_sec < b->tv_sec)
    return -1;
  else if (a->tv_sec > b->tv_sec)
    return 1;
  else if (a->tv_nsec < b->tv_nsec)
    return -1;
  else if (a->tv_nsec > b->tv_nsec)
    return 1;
  else
    return 0;
}

static inline int
vcl_test_read (vcl_test_session_t *ts, void *buf, uint32_t nbytes)
{
  vcl_test_stats_t *stats = &ts->stats;
  int rv, rx_bytes = 0;

  do
    {
      stats->rx_xacts++;
      rv = vppcom_session_read (ts->fd, buf, nbytes);
      if (rv <= 0)
	{
	  errno = -rv;
	  if (errno == EAGAIN || errno == EWOULDBLOCK)
	    {
	      stats->rx_eagain++;
	      continue;
	    }

	  vterr ("vppcom_session_read()", -errno);
	  break;
	}

      rx_bytes = rv;
      if (rv < nbytes)
	stats->rx_incomp++;
    }
  while (!rx_bytes);

  stats->rx_bytes += rx_bytes;

  return (rx_bytes);
}

static inline int
vcl_test_read_ds (vcl_test_session_t *ts)
{
  vcl_test_stats_t *stats = &ts->stats;
  int rx_bytes;

  do
    {
      stats->rx_xacts++;
      rx_bytes = vppcom_session_read_segments (ts->fd, ts->ds, 2, ~0);

      if (rx_bytes < 0)
	{
	  errno = -rx_bytes;
	  rx_bytes = -1;
	}
	  if ((rx_bytes == 0) ||
	      ((rx_bytes < 0)
	       && ((errno == EAGAIN) || (errno == EWOULDBLOCK))))
	    stats->rx_eagain++;
    }
  while ((rx_bytes == 0) ||
	 ((rx_bytes < 0) && ((errno == EAGAIN) || (errno == EWOULDBLOCK))));

  if (rx_bytes < 0)
    {
      vterr ("vppcom_session_read()", -errno);
    }
  else
    stats->rx_bytes += rx_bytes;

  return (rx_bytes);
}

static inline int
vcl_test_write (vcl_test_session_t *ts, void *buf, uint32_t nbytes)
{
  int tx_bytes = 0, nbytes_left = nbytes, rv;
  vcl_test_stats_t *stats = &ts->stats;

  do
    {
      stats->tx_xacts++;
      rv = vppcom_session_write (ts->fd, buf, nbytes_left);
      if (rv < 0)
	{
	  errno = -rv;
	  if ((errno == EAGAIN || errno == EWOULDBLOCK))
	    stats->tx_eagain++;
	  break;
	}
      tx_bytes += rv;

      nbytes_left = nbytes_left - rv;
      buf += rv;
      if (rv < nbytes_left)
	stats->tx_incomp++;
    }
  while (tx_bytes != nbytes);

  if (tx_bytes < 0)
    {
      vterr ("vpcom_session_write", -errno);
    }
  else
    stats->tx_bytes += tx_bytes;

  return (tx_bytes);
}

static inline int
vcl_test_write_ds (vcl_test_session_t *ts)
{
  vcl_test_stats_t *stats = &ts->stats;
  int tx_bytes;

  do
    {
      stats->tx_xacts++;
      if (ts->ds[1].len)
	tx_bytes = vppcom_session_write_segments (ts->fd, ts->ds, 2);
      else
	tx_bytes = vppcom_session_write_segments (ts->fd, ts->ds, 1);

      if (tx_bytes < 0)
	errno = -tx_bytes;
      if ((tx_bytes == 0) ||
	  ((tx_bytes < 0) && ((errno == EAGAIN) || (errno == EWOULDBLOCK))))
	stats->rx_eagain++;
    }
  while ((tx_bytes == 0) ||
	 ((tx_bytes < 0) && ((errno == EAGAIN) || (errno == EWOULDBLOCK))));

  if (tx_bytes < 0)
    {
      vterr ("vppcom_session_write_segments()", -errno);
    }
  else
    stats->tx_bytes += tx_bytes;

  return (tx_bytes);
}

static inline void
dump_help (void)
{
#define INDENT "\n  "

  printf (
    "CLIENT: Test configuration commands:" INDENT VCL_TEST_TOKEN_HELP
    "\t\t\tDisplay help." INDENT VCL_TEST_TOKEN_EXIT
    "\t\t\tExit test client & server." INDENT VCL_TEST_TOKEN_SHOW_CFG
    "\t\t\tShow the current test cfg." INDENT HS_TEST_TOKEN_RUN_UNI
    "\t\t\tRun the Uni-directional test." INDENT HS_TEST_TOKEN_RUN_BI
    "\t\t\tRun the Bi-directional test." INDENT VCL_TEST_TOKEN_VERBOSE
    "\t\t\tToggle verbose setting." INDENT VCL_TEST_TOKEN_RXBUF_SIZE
    "<rxbuf size>\tRx buffer size (bytes)." INDENT VCL_TEST_TOKEN_TXBUF_SIZE
    "<txbuf size>\tTx buffer size (bytes)." INDENT VCL_TEST_TOKEN_NUM_WRITES
    "<# of writes>\tNumber of txbuf writes to server."
    "\n");
}

#endif /* __vcl_test_h__ */

/*
 * fd.io coding-style-patch-verification: ON
 *
 * Local Variables:
 * eval: (c-set-style "gnu")
 * End:
 */