blob: 89f070f72cd365cb1cb916ca2646531f5c1298ce [file] [log] [blame]
Dave Barach68b0fb02017-02-28 15:15:56 -05001/*
2 * Copyright (c) 2016 Cisco and/or its affiliates.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at:
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16#include <stdio.h>
17#include <signal.h>
Dave Barach68b0fb02017-02-28 15:15:56 -050018#include <svm/svm_fifo_segment.h>
19#include <vlibmemory/api.h>
20#include <vpp/api/vpe_msg_enum.h>
Florin Corase04c2992017-03-01 08:17:34 -080021#include <vnet/session/application_interface.h>
Dave Barach68b0fb02017-02-28 15:15:56 -050022
Florin Corase04c2992017-03-01 08:17:34 -080023#define vl_typedefs /* define message structures */
Dave Barach68b0fb02017-02-28 15:15:56 -050024#include <vpp/api/vpe_all_api_h.h>
25#undef vl_typedefs
26
27/* declare message handlers for each api */
28
Florin Corase04c2992017-03-01 08:17:34 -080029#define vl_endianfun /* define message structures */
Dave Barach68b0fb02017-02-28 15:15:56 -050030#include <vpp/api/vpe_all_api_h.h>
31#undef vl_endianfun
32
33/* instantiate all the print functions we know about */
34#define vl_print(handle, ...)
35#define vl_printfun
36#include <vpp/api/vpe_all_api_h.h>
37#undef vl_printfun
38
Dave Barach68b0fb02017-02-28 15:15:56 -050039typedef struct
40{
Florin Corase04c2992017-03-01 08:17:34 -080041 svm_fifo_t *server_rx_fifo;
42 svm_fifo_t *server_tx_fifo;
Dave Barach68b0fb02017-02-28 15:15:56 -050043
Florin Corasa5464812017-04-19 13:00:05 -070044 u64 vpp_session_handle;
Florin Corasf03a59a2017-06-09 21:07:32 -070045 u64 bytes_received;
46 f64 start;
Dave Barach68b0fb02017-02-28 15:15:56 -050047} session_t;
48
49typedef enum
50{
51 STATE_START,
Florin Corasa5464812017-04-19 13:00:05 -070052 STATE_ATTACHED,
Dave Barach68b0fb02017-02-28 15:15:56 -050053 STATE_READY,
54 STATE_DISCONNECTING,
55 STATE_FAILED
56} connection_state_t;
57
58typedef struct
59{
60 /* vpe input queue */
61 unix_shared_memory_queue_t *vl_input_queue;
62
63 /* API client handle */
64 u32 my_client_index;
65
66 /* The URI we're playing with */
Florin Corase04c2992017-03-01 08:17:34 -080067 u8 *uri;
Dave Barach68b0fb02017-02-28 15:15:56 -050068
69 /* Session pool */
Florin Corase04c2992017-03-01 08:17:34 -080070 session_t *sessions;
Dave Barach68b0fb02017-02-28 15:15:56 -050071
72 /* Hash table for disconnect processing */
Florin Corase04c2992017-03-01 08:17:34 -080073 uword *session_index_by_vpp_handles;
Dave Barach68b0fb02017-02-28 15:15:56 -050074
75 /* intermediate rx buffer */
Florin Corase04c2992017-03-01 08:17:34 -080076 u8 *rx_buf;
Dave Barach68b0fb02017-02-28 15:15:56 -050077
78 /* URI for slave's connect */
Florin Corase04c2992017-03-01 08:17:34 -080079 u8 *connect_uri;
Dave Barach68b0fb02017-02-28 15:15:56 -050080
81 u32 connected_session_index;
82
83 int i_am_master;
84
85 /* drop all packets */
86 int drop_packets;
87
88 /* Our event queue */
Florin Corase04c2992017-03-01 08:17:34 -080089 unix_shared_memory_queue_t *our_event_queue;
Dave Barach68b0fb02017-02-28 15:15:56 -050090
91 /* $$$ single thread only for the moment */
Florin Corase04c2992017-03-01 08:17:34 -080092 unix_shared_memory_queue_t *vpp_event_queue;
Dave Barach68b0fb02017-02-28 15:15:56 -050093
94 pid_t my_pid;
95
96 /* For deadman timers */
97 clib_time_t clib_time;
98
99 /* State of the connection, shared between msg RX thread and main thread */
100 volatile connection_state_t state;
101
102 /* Signal variables */
103 volatile int time_to_stop;
104 volatile int time_to_print_stats;
105
106 u32 configured_segment_size;
107
108 /* VNET_API_ERROR_FOO -> "Foo" hash table */
Florin Corase04c2992017-03-01 08:17:34 -0800109 uword *error_string_by_error_number;
Dave Barach68b0fb02017-02-28 15:15:56 -0500110
111 u8 *connect_test_data;
Florin Corase04c2992017-03-01 08:17:34 -0800112 pthread_t client_rx_thread_handle;
113 u32 client_bytes_received;
114 u8 test_return_packets;
Florin Coras6cf30ad2017-04-04 23:08:23 -0700115 u64 bytes_to_send;
Florin Corase04c2992017-03-01 08:17:34 -0800116
117 /* convenience */
118 svm_fifo_segment_main_t *segment_main;
Dave Barach68b0fb02017-02-28 15:15:56 -0500119} uri_tcp_test_main_t;
120
121uri_tcp_test_main_t uri_tcp_test_main;
122
123#if CLIB_DEBUG > 0
124#define NITER 10000
125#else
126#define NITER 4000000
127#endif
128
Florin Corasa5464812017-04-19 13:00:05 -0700129static u8 *
130format_api_error (u8 * s, va_list * args)
131{
132 uri_tcp_test_main_t *utm = &uri_tcp_test_main;
133 i32 error = va_arg (*args, u32);
134 uword *p;
135
136 p = hash_get (utm->error_string_by_error_number, -error);
137
138 if (p)
139 s = format (s, "%s", p[0]);
140 else
141 s = format (s, "%d", error);
142 return s;
143}
144
145static void
146init_error_string_table (uri_tcp_test_main_t * utm)
147{
148 utm->error_string_by_error_number = hash_create (0, sizeof (uword));
149
150#define _(n,v,s) hash_set (utm->error_string_by_error_number, -v, s);
151 foreach_vnet_api_error;
152#undef _
153
154 hash_set (utm->error_string_by_error_number, 99, "Misc");
155}
156
Dave Barach68b0fb02017-02-28 15:15:56 -0500157int
158wait_for_state_change (uri_tcp_test_main_t * utm, connection_state_t state)
159{
160#if CLIB_DEBUG > 0
161#define TIMEOUT 600.0
162#else
163#define TIMEOUT 600.0
164#endif
165
166 f64 timeout = clib_time_now (&utm->clib_time) + TIMEOUT;
167
168 while (clib_time_now (&utm->clib_time) < timeout)
169 {
170 if (utm->state == state)
Florin Corase04c2992017-03-01 08:17:34 -0800171 return 0;
Dave Barach68b0fb02017-02-28 15:15:56 -0500172 if (utm->state == STATE_FAILED)
173 return -1;
flyingeagle23a07779f2017-04-26 20:22:04 +0800174 if (utm->time_to_stop == 1)
Florin Corasf03a59a2017-06-09 21:07:32 -0700175 return 0;
Dave Barach68b0fb02017-02-28 15:15:56 -0500176 }
177 clib_warning ("timeout waiting for STATE_READY");
178 return -1;
179}
180
Florin Coras6cf30ad2017-04-04 23:08:23 -0700181void
Florin Corasa5464812017-04-19 13:00:05 -0700182application_send_attach (uri_tcp_test_main_t * utm)
Florin Coras6cf30ad2017-04-04 23:08:23 -0700183{
184 vl_api_application_attach_t *bmp;
Florin Corasf03a59a2017-06-09 21:07:32 -0700185 u32 fifo_size = 4 << 20;
Florin Coras6cf30ad2017-04-04 23:08:23 -0700186 bmp = vl_msg_api_alloc (sizeof (*bmp));
187 memset (bmp, 0, sizeof (*bmp));
188
189 bmp->_vl_msg_id = ntohs (VL_API_APPLICATION_ATTACH);
190 bmp->client_index = utm->my_client_index;
191 bmp->context = ntohl (0xfeedface);
Florin Corasa5464812017-04-19 13:00:05 -0700192 bmp->options[APP_OPTIONS_FLAGS] =
Florin Corascea194d2017-10-02 00:18:51 -0700193 APP_OPTIONS_FLAGS_ACCEPT_REDIRECT | APP_OPTIONS_FLAGS_ADD_SEGMENT;
Dave Barach10d8cc62017-05-30 09:30:07 -0400194 bmp->options[APP_OPTIONS_PREALLOC_FIFO_PAIRS] = 16;
Florin Coras6cf30ad2017-04-04 23:08:23 -0700195 bmp->options[SESSION_OPTIONS_RX_FIFO_SIZE] = fifo_size;
196 bmp->options[SESSION_OPTIONS_TX_FIFO_SIZE] = fifo_size;
197 bmp->options[SESSION_OPTIONS_ADD_SEGMENT_SIZE] = 128 << 20;
198 bmp->options[SESSION_OPTIONS_SEGMENT_SIZE] = 256 << 20;
199 vl_msg_api_send_shmem (utm->vl_input_queue, (u8 *) & bmp);
200}
201
Florin Corasa5464812017-04-19 13:00:05 -0700202int
203application_attach (uri_tcp_test_main_t * utm)
204{
205 application_send_attach (utm);
206 if (wait_for_state_change (utm, STATE_ATTACHED))
207 {
208 clib_warning ("timeout waiting for STATE_ATTACHED");
209 return -1;
210 }
211 return 0;
212}
213
Florin Coras6cf30ad2017-04-04 23:08:23 -0700214void
215application_detach (uri_tcp_test_main_t * utm)
216{
217 vl_api_application_detach_t *bmp;
218 bmp = vl_msg_api_alloc (sizeof (*bmp));
219 memset (bmp, 0, sizeof (*bmp));
220
221 bmp->_vl_msg_id = ntohs (VL_API_APPLICATION_DETACH);
222 bmp->client_index = utm->my_client_index;
223 bmp->context = ntohl (0xfeedface);
224 vl_msg_api_send_shmem (utm->vl_input_queue, (u8 *) & bmp);
225}
226
227static void
228vl_api_application_attach_reply_t_handler (vl_api_application_attach_reply_t *
229 mp)
230{
231 uri_tcp_test_main_t *utm = &uri_tcp_test_main;
232 svm_fifo_segment_create_args_t _a, *a = &_a;
233 int rv;
234
235 if (mp->retval)
236 {
Florin Corasa5464812017-04-19 13:00:05 -0700237 clib_warning ("attach failed: %U", format_api_error,
238 clib_net_to_host_u32 (mp->retval));
Florin Coras6cf30ad2017-04-04 23:08:23 -0700239 utm->state = STATE_FAILED;
240 return;
241 }
242
243 if (mp->segment_name_length == 0)
244 {
245 clib_warning ("segment_name_length zero");
246 return;
247 }
248
249 a->segment_name = (char *) mp->segment_name;
250 a->segment_size = mp->segment_size;
251
252 ASSERT (mp->app_event_queue_address);
253
254 /* Attach to the segment vpp created */
255 rv = svm_fifo_segment_attach (a);
256 if (rv)
257 {
258 clib_warning ("svm_fifo_segment_attach ('%s') failed",
259 mp->segment_name);
260 return;
261 }
262
263 utm->our_event_queue =
Damjan Marion7bee80c2017-04-26 15:32:12 +0200264 uword_to_pointer (mp->app_event_queue_address,
265 unix_shared_memory_queue_t *);
Florin Corasa5464812017-04-19 13:00:05 -0700266 utm->state = STATE_ATTACHED;
Florin Coras6cf30ad2017-04-04 23:08:23 -0700267}
268
269static void
270vl_api_application_detach_reply_t_handler (vl_api_application_detach_reply_t *
271 mp)
272{
273 if (mp->retval)
274 clib_warning ("detach returned with err: %d", mp->retval);
275}
276
Dave Barach68b0fb02017-02-28 15:15:56 -0500277static void
Dave Barach68b0fb02017-02-28 15:15:56 -0500278stop_signal (int signum)
279{
280 uri_tcp_test_main_t *um = &uri_tcp_test_main;
281
282 um->time_to_stop = 1;
283}
284
285static void
286stats_signal (int signum)
287{
288 uri_tcp_test_main_t *um = &uri_tcp_test_main;
289
290 um->time_to_print_stats = 1;
291}
292
293static clib_error_t *
294setup_signal_handlers (void)
295{
296 signal (SIGINT, stats_signal);
297 signal (SIGQUIT, stop_signal);
298 signal (SIGTERM, stop_signal);
299
300 return 0;
301}
302
303void
304vlib_cli_output (struct vlib_main_t *vm, char *fmt, ...)
305{
306 clib_warning ("BUG");
307}
308
309int
310connect_to_vpp (char *name)
311{
312 uri_tcp_test_main_t *utm = &uri_tcp_test_main;
313 api_main_t *am = &api_main;
314
315 if (vl_client_connect_to_vlib ("/vpe-api", name, 32) < 0)
316 return -1;
317
318 utm->vl_input_queue = am->shmem_hdr->vl_input_queue;
319 utm->my_client_index = am->my_client_index;
320
321 return 0;
322}
323
324static void
Florin Corase04c2992017-03-01 08:17:34 -0800325vl_api_map_another_segment_t_handler (vl_api_map_another_segment_t * mp)
Dave Barach68b0fb02017-02-28 15:15:56 -0500326{
327 svm_fifo_segment_create_args_t _a, *a = &_a;
328 int rv;
329
Florin Coras3cbc04b2017-10-02 00:18:51 -0700330 memset (a, 0, sizeof (*a));
Dave Barach68b0fb02017-02-28 15:15:56 -0500331 a->segment_name = (char *) mp->segment_name;
332 a->segment_size = mp->segment_size;
333 /* Attach to the segment vpp created */
334 rv = svm_fifo_segment_attach (a);
335 if (rv)
336 {
337 clib_warning ("svm_fifo_segment_attach ('%s') failed",
Florin Corase04c2992017-03-01 08:17:34 -0800338 mp->segment_name);
Dave Barach68b0fb02017-02-28 15:15:56 -0500339 return;
340 }
341 clib_warning ("Mapped new segment '%s' size %d", mp->segment_name,
Florin Corase04c2992017-03-01 08:17:34 -0800342 mp->segment_size);
Dave Barach68b0fb02017-02-28 15:15:56 -0500343}
344
345static void
Florin Corasf03a59a2017-06-09 21:07:32 -0700346session_print_stats (uri_tcp_test_main_t * utm, session_t * session)
347{
348 f64 deltat;
349 u64 bytes;
350
351 deltat = clib_time_now (&utm->clib_time) - session->start;
352 bytes = utm->i_am_master ? session->bytes_received : utm->bytes_to_send;
353 fformat (stdout, "Finished in %.6f\n", deltat);
354 fformat (stdout, "%.4f Gbit/second\n", (bytes * 8.0) / deltat / 1e9);
355}
356
357static void
Dave Barach68b0fb02017-02-28 15:15:56 -0500358vl_api_disconnect_session_t_handler (vl_api_disconnect_session_t * mp)
359{
360 uri_tcp_test_main_t *utm = &uri_tcp_test_main;
Florin Corasf03a59a2017-06-09 21:07:32 -0700361 session_t *session = 0;
Florin Corase04c2992017-03-01 08:17:34 -0800362 vl_api_disconnect_session_reply_t *rmp;
363 uword *p;
Dave Barach68b0fb02017-02-28 15:15:56 -0500364 int rv = 0;
Dave Barach68b0fb02017-02-28 15:15:56 -0500365
Florin Coras6cf30ad2017-04-04 23:08:23 -0700366 p = hash_get (utm->session_index_by_vpp_handles, mp->handle);
Florin Corase04c2992017-03-01 08:17:34 -0800367
368 if (p)
369 {
370 session = pool_elt_at_index (utm->sessions, p[0]);
Florin Coras6cf30ad2017-04-04 23:08:23 -0700371 hash_unset (utm->session_index_by_vpp_handles, mp->handle);
Florin Corase04c2992017-03-01 08:17:34 -0800372 pool_put (utm->sessions, session);
373 }
374 else
375 {
Florin Coras6cf30ad2017-04-04 23:08:23 -0700376 clib_warning ("couldn't find session key %llx", mp->handle);
Florin Corase04c2992017-03-01 08:17:34 -0800377 rv = -11;
378 }
379
Florin Corasf03a59a2017-06-09 21:07:32 -0700380// utm->time_to_stop = 1;
Florin Corase04c2992017-03-01 08:17:34 -0800381
382 rmp = vl_msg_api_alloc (sizeof (*rmp));
383 memset (rmp, 0, sizeof (*rmp));
384
385 rmp->_vl_msg_id = ntohs (VL_API_DISCONNECT_SESSION_REPLY);
386 rmp->retval = rv;
Florin Coras6cf30ad2017-04-04 23:08:23 -0700387 rmp->handle = mp->handle;
Florin Corase04c2992017-03-01 08:17:34 -0800388 vl_msg_api_send_shmem (utm->vl_input_queue, (u8 *) & rmp);
Florin Corasf03a59a2017-06-09 21:07:32 -0700389
390 if (session)
391 session_print_stats (utm, session);
Florin Corase04c2992017-03-01 08:17:34 -0800392}
393
394static void
395vl_api_reset_session_t_handler (vl_api_reset_session_t * mp)
396{
397 uri_tcp_test_main_t *utm = &uri_tcp_test_main;
Florin Corase04c2992017-03-01 08:17:34 -0800398 vl_api_reset_session_reply_t *rmp;
399 uword *p;
400 int rv = 0;
Florin Corase04c2992017-03-01 08:17:34 -0800401
Florin Coras6cf30ad2017-04-04 23:08:23 -0700402 p = hash_get (utm->session_index_by_vpp_handles, mp->handle);
Dave Barach68b0fb02017-02-28 15:15:56 -0500403
404 if (p)
405 {
Florin Corasf6359c82017-06-19 12:26:09 -0400406 clib_warning ("got reset");
407 /* Cleanup later */
Florin Corasd79b41e2017-03-04 05:37:52 -0800408 utm->time_to_stop = 1;
Dave Barach68b0fb02017-02-28 15:15:56 -0500409 }
410 else
411 {
Florin Coras6cf30ad2017-04-04 23:08:23 -0700412 clib_warning ("couldn't find session key %llx", mp->handle);
Dave Barach68b0fb02017-02-28 15:15:56 -0500413 rv = -11;
414 }
415
416 rmp = vl_msg_api_alloc (sizeof (*rmp));
417 memset (rmp, 0, sizeof (*rmp));
Florin Corasd79b41e2017-03-04 05:37:52 -0800418 rmp->_vl_msg_id = ntohs (VL_API_RESET_SESSION_REPLY);
Dave Barach68b0fb02017-02-28 15:15:56 -0500419 rmp->retval = rv;
Florin Coras6cf30ad2017-04-04 23:08:23 -0700420 rmp->handle = mp->handle;
Florin Corase04c2992017-03-01 08:17:34 -0800421 vl_msg_api_send_shmem (utm->vl_input_queue, (u8 *) & rmp);
Dave Barach68b0fb02017-02-28 15:15:56 -0500422}
423
424void
Florin Corase04c2992017-03-01 08:17:34 -0800425client_handle_fifo_event_rx (uri_tcp_test_main_t * utm,
426 session_fifo_event_t * e)
Dave Barach68b0fb02017-02-28 15:15:56 -0500427{
Florin Corase04c2992017-03-01 08:17:34 -0800428 svm_fifo_t *rx_fifo;
429 int n_read, bytes, i;
Dave Barach68b0fb02017-02-28 15:15:56 -0500430
431 rx_fifo = e->fifo;
432
Florin Coras6792ec02017-03-13 03:49:51 -0700433 bytes = svm_fifo_max_dequeue (rx_fifo);
434 /* Allow enqueuing of new event */
435 svm_fifo_unset_event (rx_fifo);
436
437 /* Read the bytes */
Dave Barach68b0fb02017-02-28 15:15:56 -0500438 do
439 {
Florin Corasa5464812017-04-19 13:00:05 -0700440 n_read = svm_fifo_dequeue_nowait (rx_fifo,
Florin Coras6792ec02017-03-13 03:49:51 -0700441 clib_min (vec_len (utm->rx_buf),
442 bytes), utm->rx_buf);
Dave Barach68b0fb02017-02-28 15:15:56 -0500443 if (n_read > 0)
Florin Corase04c2992017-03-01 08:17:34 -0800444 {
445 bytes -= n_read;
Florin Corasf03a59a2017-06-09 21:07:32 -0700446 if (utm->test_return_packets)
Florin Corase04c2992017-03-01 08:17:34 -0800447 {
Florin Corasf03a59a2017-06-09 21:07:32 -0700448 for (i = 0; i < n_read; i++)
Florin Corase04c2992017-03-01 08:17:34 -0800449 {
Florin Corasf03a59a2017-06-09 21:07:32 -0700450 if (utm->rx_buf[i]
451 != ((utm->client_bytes_received + i) & 0xff))
452 {
453 clib_warning ("error at byte %lld, 0x%x not 0x%x",
454 utm->client_bytes_received + i,
455 utm->rx_buf[i],
456 ((utm->client_bytes_received +
457 i) & 0xff));
458 }
Florin Corase04c2992017-03-01 08:17:34 -0800459 }
460 }
461 utm->client_bytes_received += n_read;
462 }
Florin Coras6792ec02017-03-13 03:49:51 -0700463 else
464 {
465 if (n_read == -2)
466 {
Florin Coras6cf30ad2017-04-04 23:08:23 -0700467// clib_warning ("weird!");
Florin Coras6792ec02017-03-13 03:49:51 -0700468 break;
469 }
470 }
Florin Corase04c2992017-03-01 08:17:34 -0800471
Dave Barach68b0fb02017-02-28 15:15:56 -0500472 }
Florin Coras6792ec02017-03-13 03:49:51 -0700473 while (bytes > 0);
Dave Barach68b0fb02017-02-28 15:15:56 -0500474}
475
476void
Florin Corase04c2992017-03-01 08:17:34 -0800477client_handle_event_queue (uri_tcp_test_main_t * utm)
Dave Barach68b0fb02017-02-28 15:15:56 -0500478{
479 session_fifo_event_t _e, *e = &_e;;
480
Florin Corase04c2992017-03-01 08:17:34 -0800481 unix_shared_memory_queue_sub (utm->our_event_queue, (u8 *) e,
482 0 /* nowait */ );
Dave Barach68b0fb02017-02-28 15:15:56 -0500483 switch (e->event_type)
484 {
Florin Corasa5464812017-04-19 13:00:05 -0700485 case FIFO_EVENT_APP_RX:
Florin Corase04c2992017-03-01 08:17:34 -0800486 client_handle_fifo_event_rx (utm, e);
Dave Barach68b0fb02017-02-28 15:15:56 -0500487 break;
488
Florin Corasa5464812017-04-19 13:00:05 -0700489 case FIFO_EVENT_DISCONNECT:
Dave Barach68b0fb02017-02-28 15:15:56 -0500490 return;
491
492 default:
Florin Corase04c2992017-03-01 08:17:34 -0800493 clib_warning ("unknown event type %d", e->event_type);
Dave Barach68b0fb02017-02-28 15:15:56 -0500494 break;
495 }
496}
497
Florin Corase04c2992017-03-01 08:17:34 -0800498static void *
499client_rx_thread_fn (void *arg)
Dave Barach68b0fb02017-02-28 15:15:56 -0500500{
Florin Corase04c2992017-03-01 08:17:34 -0800501 session_fifo_event_t _e, *e = &_e;
502 uri_tcp_test_main_t *utm = &uri_tcp_test_main;
Dave Barach68b0fb02017-02-28 15:15:56 -0500503
Florin Corase04c2992017-03-01 08:17:34 -0800504 utm->client_bytes_received = 0;
Dave Barach68b0fb02017-02-28 15:15:56 -0500505 while (1)
506 {
Florin Corase04c2992017-03-01 08:17:34 -0800507 unix_shared_memory_queue_sub (utm->our_event_queue, (u8 *) e,
508 0 /* nowait */ );
Dave Barach68b0fb02017-02-28 15:15:56 -0500509 switch (e->event_type)
Florin Corase04c2992017-03-01 08:17:34 -0800510 {
Florin Corasa5464812017-04-19 13:00:05 -0700511 case FIFO_EVENT_APP_RX:
Florin Corase04c2992017-03-01 08:17:34 -0800512 client_handle_fifo_event_rx (utm, e);
513 break;
Dave Barach68b0fb02017-02-28 15:15:56 -0500514
Florin Corasa5464812017-04-19 13:00:05 -0700515 case FIFO_EVENT_DISCONNECT:
Florin Corase04c2992017-03-01 08:17:34 -0800516 return 0;
517 default:
518 clib_warning ("unknown event type %d", e->event_type);
519 break;
520 }
Dave Barach68b0fb02017-02-28 15:15:56 -0500521
Florin Corase04c2992017-03-01 08:17:34 -0800522 if (PREDICT_FALSE (utm->time_to_stop == 1))
523 break;
Dave Barach68b0fb02017-02-28 15:15:56 -0500524 }
Florin Corase04c2992017-03-01 08:17:34 -0800525 pthread_exit (0);
Dave Barach68b0fb02017-02-28 15:15:56 -0500526}
527
Dave Barach68b0fb02017-02-28 15:15:56 -0500528
529static void
Dave Wallace33e002b2017-09-06 01:20:02 -0400530vl_api_connect_session_reply_t_handler (vl_api_connect_session_reply_t * mp)
Dave Barach68b0fb02017-02-28 15:15:56 -0500531{
532 uri_tcp_test_main_t *utm = &uri_tcp_test_main;
Dave Barach68b0fb02017-02-28 15:15:56 -0500533 session_t *session;
534 u32 session_index;
535 svm_fifo_t *rx_fifo, *tx_fifo;
536 int rv;
537
538 if (mp->retval)
539 {
Florin Corasa5464812017-04-19 13:00:05 -0700540 clib_warning ("connection failed with code: %U", format_api_error,
541 clib_net_to_host_u32 (mp->retval));
Dave Barach68b0fb02017-02-28 15:15:56 -0500542 utm->state = STATE_FAILED;
543 return;
544 }
Florin Corase04c2992017-03-01 08:17:34 -0800545
Damjan Marion7bee80c2017-04-26 15:32:12 +0200546 utm->vpp_event_queue =
547 uword_to_pointer (mp->vpp_event_queue_address,
548 unix_shared_memory_queue_t *);
Dave Barach68b0fb02017-02-28 15:15:56 -0500549
550 /*
551 * Setup session
552 */
553
554 pool_get (utm->sessions, session);
555 session_index = session - utm->sessions;
556
Damjan Marion7bee80c2017-04-26 15:32:12 +0200557 rx_fifo = uword_to_pointer (mp->server_rx_fifo, svm_fifo_t *);
Dave Barach68b0fb02017-02-28 15:15:56 -0500558 rx_fifo->client_session_index = session_index;
Damjan Marion7bee80c2017-04-26 15:32:12 +0200559 tx_fifo = uword_to_pointer (mp->server_tx_fifo, svm_fifo_t *);
Dave Barach68b0fb02017-02-28 15:15:56 -0500560 tx_fifo->client_session_index = session_index;
561
562 session->server_rx_fifo = rx_fifo;
563 session->server_tx_fifo = tx_fifo;
Florin Coras6cf30ad2017-04-04 23:08:23 -0700564 session->vpp_session_handle = mp->handle;
Florin Corasf03a59a2017-06-09 21:07:32 -0700565 session->start = clib_time_now (&utm->clib_time);
Dave Barach68b0fb02017-02-28 15:15:56 -0500566
567 /* Save handle */
568 utm->connected_session_index = session_index;
Florin Corase04c2992017-03-01 08:17:34 -0800569 utm->state = STATE_READY;
570
571 /* Add it to lookup table */
Florin Coras6cf30ad2017-04-04 23:08:23 -0700572 hash_set (utm->session_index_by_vpp_handles, mp->handle, session_index);
Florin Corase04c2992017-03-01 08:17:34 -0800573
574 /* Start RX thread */
575 rv = pthread_create (&utm->client_rx_thread_handle,
576 NULL /*attr */ , client_rx_thread_fn, 0);
577 if (rv)
578 {
579 clib_warning ("pthread_create returned %d", rv);
580 rv = VNET_API_ERROR_SYSCALL_ERROR_1;
581 }
582}
583
Florin Coras6792ec02017-03-13 03:49:51 -0700584static void
585send_test_chunk (uri_tcp_test_main_t * utm, svm_fifo_t * tx_fifo, int mypid,
586 u32 bytes)
Florin Corase04c2992017-03-01 08:17:34 -0800587{
588 u8 *test_data = utm->connect_test_data;
589 u64 bytes_sent = 0;
Florin Coras6792ec02017-03-13 03:49:51 -0700590 int test_buf_offset = 0;
591 u32 bytes_to_snd;
Florin Corasf03a59a2017-06-09 21:07:32 -0700592 u32 queue_max_chunk = 128 << 10, actual_write;
Florin Corase04c2992017-03-01 08:17:34 -0800593 session_fifo_event_t evt;
Florin Coras6792ec02017-03-13 03:49:51 -0700594 int rv;
Florin Corase04c2992017-03-01 08:17:34 -0800595
Florin Coras6792ec02017-03-13 03:49:51 -0700596 bytes_to_snd = (bytes == 0) ? vec_len (test_data) : bytes;
597 if (bytes_to_snd > vec_len (test_data))
598 bytes_to_snd = vec_len (test_data);
Florin Corase04c2992017-03-01 08:17:34 -0800599
Florin Corasf6359c82017-06-19 12:26:09 -0400600 while (bytes_to_snd > 0 && !utm->time_to_stop)
Florin Corase04c2992017-03-01 08:17:34 -0800601 {
Florin Corasf03a59a2017-06-09 21:07:32 -0700602 actual_write = (bytes_to_snd > queue_max_chunk) ?
603 queue_max_chunk : bytes_to_snd;
Florin Corasa5464812017-04-19 13:00:05 -0700604 rv = svm_fifo_enqueue_nowait (tx_fifo, actual_write,
Florin Coras6792ec02017-03-13 03:49:51 -0700605 test_data + test_buf_offset);
606
607 if (rv > 0)
Florin Corase04c2992017-03-01 08:17:34 -0800608 {
Florin Coras6792ec02017-03-13 03:49:51 -0700609 bytes_to_snd -= rv;
610 test_buf_offset += rv;
611 bytes_sent += rv;
Florin Corase04c2992017-03-01 08:17:34 -0800612
Florin Coras6792ec02017-03-13 03:49:51 -0700613 if (svm_fifo_set_event (tx_fifo))
Florin Corase04c2992017-03-01 08:17:34 -0800614 {
Florin Corase04c2992017-03-01 08:17:34 -0800615 /* Fabricate TX event, send to vpp */
616 evt.fifo = tx_fifo;
Florin Corasa5464812017-04-19 13:00:05 -0700617 evt.event_type = FIFO_EVENT_APP_TX;
Florin Corase04c2992017-03-01 08:17:34 -0800618
619 unix_shared_memory_queue_add (utm->vpp_event_queue,
620 (u8 *) & evt,
621 0 /* do wait for mutex */ );
622 }
623 }
624 }
Florin Coras6792ec02017-03-13 03:49:51 -0700625}
626
627void
628client_send_data (uri_tcp_test_main_t * utm)
629{
630 u8 *test_data = utm->connect_test_data;
631 int mypid = getpid ();
632 session_t *session;
633 svm_fifo_t *tx_fifo;
634 u32 n_iterations, leftover;
635 int i;
636
637 session = pool_elt_at_index (utm->sessions, utm->connected_session_index);
638 tx_fifo = session->server_tx_fifo;
639
Florin Coras82b13a82017-04-25 11:58:06 -0700640 ASSERT (vec_len (test_data) > 0);
641
Florin Coras6792ec02017-03-13 03:49:51 -0700642 vec_validate (utm->rx_buf, vec_len (test_data) - 1);
643 n_iterations = utm->bytes_to_send / vec_len (test_data);
644
645 for (i = 0; i < n_iterations; i++)
646 {
647 send_test_chunk (utm, tx_fifo, mypid, 0);
Florin Corasf6359c82017-06-19 12:26:09 -0400648 if (utm->time_to_stop)
649 break;
Florin Coras6792ec02017-03-13 03:49:51 -0700650 }
651
652 leftover = utm->bytes_to_send % vec_len (test_data);
653 if (leftover)
654 send_test_chunk (utm, tx_fifo, mypid, leftover);
Florin Corase04c2992017-03-01 08:17:34 -0800655
Florin Corasf03a59a2017-06-09 21:07:32 -0700656 if (!utm->drop_packets)
Florin Corase04c2992017-03-01 08:17:34 -0800657 {
Florin Corasf03a59a2017-06-09 21:07:32 -0700658 f64 timeout = clib_time_now (&utm->clib_time) + 10;
Florin Corase04c2992017-03-01 08:17:34 -0800659
660 /* Wait for the outstanding packets */
Florin Coras6792ec02017-03-13 03:49:51 -0700661 while (utm->client_bytes_received <
662 vec_len (test_data) * n_iterations + leftover)
Florin Corase04c2992017-03-01 08:17:34 -0800663 {
664 if (clib_time_now (&utm->clib_time) > timeout)
665 {
666 clib_warning ("timed out waiting for the missing packets");
667 break;
668 }
669 }
Florin Corase04c2992017-03-01 08:17:34 -0800670 }
Florin Coras6792ec02017-03-13 03:49:51 -0700671 utm->time_to_stop = 1;
Florin Corase04c2992017-03-01 08:17:34 -0800672}
673
674void
Florin Corasa5464812017-04-19 13:00:05 -0700675client_send_connect (uri_tcp_test_main_t * utm)
Florin Corase04c2992017-03-01 08:17:34 -0800676{
677 vl_api_connect_uri_t *cmp;
678 cmp = vl_msg_api_alloc (sizeof (*cmp));
679 memset (cmp, 0, sizeof (*cmp));
680
681 cmp->_vl_msg_id = ntohs (VL_API_CONNECT_URI);
682 cmp->client_index = utm->my_client_index;
683 cmp->context = ntohl (0xfeedface);
684 memcpy (cmp->uri, utm->connect_uri, vec_len (utm->connect_uri));
685 vl_msg_api_send_shmem (utm->vl_input_queue, (u8 *) & cmp);
686}
687
Florin Corasa5464812017-04-19 13:00:05 -0700688int
689client_connect (uri_tcp_test_main_t * utm)
690{
691 client_send_connect (utm);
692 if (wait_for_state_change (utm, STATE_READY))
693 {
694 clib_warning ("Connect failed");
695 return -1;
696 }
697 return 0;
698}
699
Florin Corase04c2992017-03-01 08:17:34 -0800700void
Florin Corasa5464812017-04-19 13:00:05 -0700701client_send_disconnect (uri_tcp_test_main_t * utm)
Florin Corase04c2992017-03-01 08:17:34 -0800702{
703 session_t *connected_session;
704 vl_api_disconnect_session_t *dmp;
705 connected_session = pool_elt_at_index (utm->sessions,
706 utm->connected_session_index);
707 dmp = vl_msg_api_alloc (sizeof (*dmp));
708 memset (dmp, 0, sizeof (*dmp));
709 dmp->_vl_msg_id = ntohs (VL_API_DISCONNECT_SESSION);
710 dmp->client_index = utm->my_client_index;
Florin Coras6cf30ad2017-04-04 23:08:23 -0700711 dmp->handle = connected_session->vpp_session_handle;
Florin Corase04c2992017-03-01 08:17:34 -0800712 vl_msg_api_send_shmem (utm->vl_input_queue, (u8 *) & dmp);
713}
714
Florin Corasa5464812017-04-19 13:00:05 -0700715int
716client_disconnect (uri_tcp_test_main_t * utm)
717{
718 client_send_disconnect (utm);
Florin Corasf03a59a2017-06-09 21:07:32 -0700719 clib_warning ("Sent disconnect");
Florin Corasa5464812017-04-19 13:00:05 -0700720 if (wait_for_state_change (utm, STATE_START))
721 {
722 clib_warning ("Disconnect failed");
723 return -1;
724 }
725 return 0;
726}
727
Florin Corase04c2992017-03-01 08:17:34 -0800728static void
729client_test (uri_tcp_test_main_t * utm)
730{
731 int i;
732
Florin Corasa5464812017-04-19 13:00:05 -0700733 if (application_attach (utm))
734 return;
Florin Corase04c2992017-03-01 08:17:34 -0800735
Florin Corasa5464812017-04-19 13:00:05 -0700736 if (client_connect (utm))
Florin Corase04c2992017-03-01 08:17:34 -0800737 {
Florin Corasa5464812017-04-19 13:00:05 -0700738 application_detach (utm);
Florin Corase04c2992017-03-01 08:17:34 -0800739 return;
740 }
741
742 /* Init test data */
Florin Corasf03a59a2017-06-09 21:07:32 -0700743 vec_validate (utm->connect_test_data, 128 * 1024 - 1);
Florin Corase04c2992017-03-01 08:17:34 -0800744 for (i = 0; i < vec_len (utm->connect_test_data); i++)
745 utm->connect_test_data[i] = i & 0xff;
746
747 /* Start send */
748 client_send_data (utm);
749
750 /* Disconnect */
751 client_disconnect (utm);
Florin Coras6792ec02017-03-13 03:49:51 -0700752
Florin Coras6cf30ad2017-04-04 23:08:23 -0700753 application_detach (utm);
Florin Corase04c2992017-03-01 08:17:34 -0800754}
755
756static void
757vl_api_bind_uri_reply_t_handler (vl_api_bind_uri_reply_t * mp)
758{
759 uri_tcp_test_main_t *utm = &uri_tcp_test_main;
Florin Corase04c2992017-03-01 08:17:34 -0800760
761 if (mp->retval)
762 {
flyingeagle23a07779f2017-04-26 20:22:04 +0800763 clib_warning ("bind failed: %U", format_api_error,
Florin Corasa5464812017-04-19 13:00:05 -0700764 clib_net_to_host_u32 (mp->retval));
Florin Corase04c2992017-03-01 08:17:34 -0800765 utm->state = STATE_FAILED;
766 return;
767 }
768
Dave Barach68b0fb02017-02-28 15:15:56 -0500769 utm->state = STATE_READY;
770}
771
Dave Barach68b0fb02017-02-28 15:15:56 -0500772static void
Florin Corase04c2992017-03-01 08:17:34 -0800773vl_api_unbind_uri_reply_t_handler (vl_api_unbind_uri_reply_t * mp)
Dave Barach68b0fb02017-02-28 15:15:56 -0500774{
775 uri_tcp_test_main_t *utm = &uri_tcp_test_main;
776
777 if (mp->retval != 0)
Florin Corase04c2992017-03-01 08:17:34 -0800778 clib_warning ("returned %d", ntohl (mp->retval));
Dave Barach68b0fb02017-02-28 15:15:56 -0500779
780 utm->state = STATE_START;
781}
782
Florin Coras6cf30ad2017-04-04 23:08:23 -0700783u8 *
784format_ip4_address (u8 * s, va_list * args)
785{
786 u8 *a = va_arg (*args, u8 *);
787 return format (s, "%d.%d.%d.%d", a[0], a[1], a[2], a[3]);
788}
789
790u8 *
791format_ip6_address (u8 * s, va_list * args)
792{
793 ip6_address_t *a = va_arg (*args, ip6_address_t *);
794 u32 i, i_max_n_zero, max_n_zeros, i_first_zero, n_zeros, last_double_colon;
795
796 i_max_n_zero = ARRAY_LEN (a->as_u16);
797 max_n_zeros = 0;
798 i_first_zero = i_max_n_zero;
799 n_zeros = 0;
800 for (i = 0; i < ARRAY_LEN (a->as_u16); i++)
801 {
802 u32 is_zero = a->as_u16[i] == 0;
803 if (is_zero && i_first_zero >= ARRAY_LEN (a->as_u16))
804 {
805 i_first_zero = i;
806 n_zeros = 0;
807 }
808 n_zeros += is_zero;
809 if ((!is_zero && n_zeros > max_n_zeros)
810 || (i + 1 >= ARRAY_LEN (a->as_u16) && n_zeros > max_n_zeros))
811 {
812 i_max_n_zero = i_first_zero;
813 max_n_zeros = n_zeros;
814 i_first_zero = ARRAY_LEN (a->as_u16);
815 n_zeros = 0;
816 }
817 }
818
819 last_double_colon = 0;
820 for (i = 0; i < ARRAY_LEN (a->as_u16); i++)
821 {
822 if (i == i_max_n_zero && max_n_zeros > 1)
823 {
824 s = format (s, "::");
825 i += max_n_zeros - 1;
826 last_double_colon = 1;
827 }
828 else
829 {
830 s = format (s, "%s%x",
831 (last_double_colon || i == 0) ? "" : ":",
832 clib_net_to_host_u16 (a->as_u16[i]));
833 last_double_colon = 0;
834 }
835 }
836
837 return s;
838}
839
840/* Format an IP46 address. */
841u8 *
842format_ip46_address (u8 * s, va_list * args)
843{
844 ip46_address_t *ip46 = va_arg (*args, ip46_address_t *);
845 ip46_type_t type = va_arg (*args, ip46_type_t);
846 int is_ip4 = 1;
847
848 switch (type)
849 {
850 case IP46_TYPE_ANY:
851 is_ip4 = ip46_address_is_ip4 (ip46);
852 break;
853 case IP46_TYPE_IP4:
854 is_ip4 = 1;
855 break;
856 case IP46_TYPE_IP6:
857 is_ip4 = 0;
858 break;
859 }
860
861 return is_ip4 ?
862 format (s, "%U", format_ip4_address, &ip46->ip4) :
863 format (s, "%U", format_ip6_address, &ip46->ip6);
864}
865
Dave Barach68b0fb02017-02-28 15:15:56 -0500866static void
867vl_api_accept_session_t_handler (vl_api_accept_session_t * mp)
868{
869 uri_tcp_test_main_t *utm = &uri_tcp_test_main;
870 vl_api_accept_session_reply_t *rmp;
Florin Corase04c2992017-03-01 08:17:34 -0800871 svm_fifo_t *rx_fifo, *tx_fifo;
872 session_t *session;
Dave Barach68b0fb02017-02-28 15:15:56 -0500873 static f64 start_time;
Dave Barach68b0fb02017-02-28 15:15:56 -0500874 u32 session_index;
Florin Coras6cf30ad2017-04-04 23:08:23 -0700875 u8 *ip_str;
Dave Barach68b0fb02017-02-28 15:15:56 -0500876
877 if (start_time == 0.0)
Florin Corase04c2992017-03-01 08:17:34 -0800878 start_time = clib_time_now (&utm->clib_time);
Dave Barach68b0fb02017-02-28 15:15:56 -0500879
Florin Coras6cf30ad2017-04-04 23:08:23 -0700880 ip_str = format (0, "%U", format_ip46_address, &mp->ip, mp->is_ip4);
881 clib_warning ("Accepted session from: %s:%d", ip_str,
882 clib_net_to_host_u16 (mp->port));
Damjan Marion7bee80c2017-04-26 15:32:12 +0200883 utm->vpp_event_queue =
884 uword_to_pointer (mp->vpp_event_queue_address,
885 unix_shared_memory_queue_t *);
Dave Barach68b0fb02017-02-28 15:15:56 -0500886
887 /* Allocate local session and set it up */
888 pool_get (utm->sessions, session);
889 session_index = session - utm->sessions;
890
Damjan Marion7bee80c2017-04-26 15:32:12 +0200891 rx_fifo = uword_to_pointer (mp->server_rx_fifo, svm_fifo_t *);
Dave Barach68b0fb02017-02-28 15:15:56 -0500892 rx_fifo->client_session_index = session_index;
Damjan Marion7bee80c2017-04-26 15:32:12 +0200893 tx_fifo = uword_to_pointer (mp->server_tx_fifo, svm_fifo_t *);
Dave Barach68b0fb02017-02-28 15:15:56 -0500894 tx_fifo->client_session_index = session_index;
895
896 session->server_rx_fifo = rx_fifo;
897 session->server_tx_fifo = tx_fifo;
898
899 /* Add it to lookup table */
Florin Coras6cf30ad2017-04-04 23:08:23 -0700900 hash_set (utm->session_index_by_vpp_handles, mp->handle, session_index);
Dave Barach68b0fb02017-02-28 15:15:56 -0500901
902 utm->state = STATE_READY;
903
904 /* Stats printing */
Florin Corase04c2992017-03-01 08:17:34 -0800905 if (pool_elts (utm->sessions) && (pool_elts (utm->sessions) % 20000) == 0)
Dave Barach68b0fb02017-02-28 15:15:56 -0500906 {
907 f64 now = clib_time_now (&utm->clib_time);
908 fformat (stdout, "%d active sessions in %.2f seconds, %.2f/sec...\n",
Florin Corase04c2992017-03-01 08:17:34 -0800909 pool_elts (utm->sessions), now - start_time,
910 (f64) pool_elts (utm->sessions) / (now - start_time));
Dave Barach68b0fb02017-02-28 15:15:56 -0500911 }
912
Florin Corase04c2992017-03-01 08:17:34 -0800913 /*
914 * Send accept reply to vpp
915 */
Dave Barach68b0fb02017-02-28 15:15:56 -0500916 rmp = vl_msg_api_alloc (sizeof (*rmp));
917 memset (rmp, 0, sizeof (*rmp));
918 rmp->_vl_msg_id = ntohs (VL_API_ACCEPT_SESSION_REPLY);
Florin Coras6cf30ad2017-04-04 23:08:23 -0700919 rmp->handle = mp->handle;
Florin Coras3cbc04b2017-10-02 00:18:51 -0700920 rmp->context = mp->context;
Florin Corase04c2992017-03-01 08:17:34 -0800921 vl_msg_api_send_shmem (utm->vl_input_queue, (u8 *) & rmp);
Florin Corasf03a59a2017-06-09 21:07:32 -0700922
923 session->bytes_received = 0;
924 session->start = clib_time_now (&utm->clib_time);
Dave Barach68b0fb02017-02-28 15:15:56 -0500925}
926
927void
Florin Corase04c2992017-03-01 08:17:34 -0800928server_handle_fifo_event_rx (uri_tcp_test_main_t * utm,
929 session_fifo_event_t * e)
Dave Barach68b0fb02017-02-28 15:15:56 -0500930{
Florin Corase04c2992017-03-01 08:17:34 -0800931 svm_fifo_t *rx_fifo, *tx_fifo;
932 int n_read;
Florin Corase04c2992017-03-01 08:17:34 -0800933 session_fifo_event_t evt;
934 unix_shared_memory_queue_t *q;
Florin Corasf03a59a2017-06-09 21:07:32 -0700935 session_t *session;
936 int rv;
937 u32 max_dequeue, offset, max_transfer, rx_buf_len;
Florin Corase04c2992017-03-01 08:17:34 -0800938
Florin Corasf03a59a2017-06-09 21:07:32 -0700939 rx_buf_len = vec_len (utm->rx_buf);
Florin Corase04c2992017-03-01 08:17:34 -0800940 rx_fifo = e->fifo;
Florin Corasf03a59a2017-06-09 21:07:32 -0700941 session = &utm->sessions[rx_fifo->client_session_index];
942 tx_fifo = session->server_tx_fifo;
Florin Corase04c2992017-03-01 08:17:34 -0800943
Florin Corasf03a59a2017-06-09 21:07:32 -0700944 max_dequeue = svm_fifo_max_dequeue (rx_fifo);
Florin Coras6792ec02017-03-13 03:49:51 -0700945 /* Allow enqueuing of a new event */
946 svm_fifo_unset_event (rx_fifo);
947
Florin Corasf03a59a2017-06-09 21:07:32 -0700948 if (PREDICT_FALSE (max_dequeue == 0))
949 {
950 return;
951 }
Florin Coras6792ec02017-03-13 03:49:51 -0700952
Florin Corasf03a59a2017-06-09 21:07:32 -0700953 /* Read the max_dequeue */
Florin Corase04c2992017-03-01 08:17:34 -0800954 do
955 {
Florin Corasf03a59a2017-06-09 21:07:32 -0700956 max_transfer = clib_min (rx_buf_len, max_dequeue);
957 n_read = svm_fifo_dequeue_nowait (rx_fifo, max_transfer, utm->rx_buf);
Florin Coras6792ec02017-03-13 03:49:51 -0700958 if (n_read > 0)
Florin Corase04c2992017-03-01 08:17:34 -0800959 {
Florin Corasf03a59a2017-06-09 21:07:32 -0700960 max_dequeue -= n_read;
961 session->bytes_received += n_read;
962 }
963
964 /* Reflect if a non-drop session */
965 if (!utm->drop_packets && n_read > 0)
966 {
967 offset = 0;
Florin Corase04c2992017-03-01 08:17:34 -0800968 do
969 {
Florin Corasf03a59a2017-06-09 21:07:32 -0700970 rv = svm_fifo_enqueue_nowait (tx_fifo, n_read,
971 &utm->rx_buf[offset]);
972 if (rv > 0)
973 {
974 n_read -= rv;
975 offset += rv;
976 }
Florin Corase04c2992017-03-01 08:17:34 -0800977 }
Florin Corasf03a59a2017-06-09 21:07:32 -0700978 while ((rv <= 0 || n_read > 0) && !utm->time_to_stop);
Florin Corase04c2992017-03-01 08:17:34 -0800979
Florin Coras6792ec02017-03-13 03:49:51 -0700980 /* If event wasn't set, add one */
981 if (svm_fifo_set_event (tx_fifo))
982 {
983 /* Fabricate TX event, send to vpp */
984 evt.fifo = tx_fifo;
Florin Corasa5464812017-04-19 13:00:05 -0700985 evt.event_type = FIFO_EVENT_APP_TX;
Florin Coras6792ec02017-03-13 03:49:51 -0700986
987 q = utm->vpp_event_queue;
988 unix_shared_memory_queue_add (q, (u8 *) & evt,
Florin Corasf03a59a2017-06-09 21:07:32 -0700989 1 /* do wait for mutex */ );
Florin Coras6792ec02017-03-13 03:49:51 -0700990 }
Florin Corase04c2992017-03-01 08:17:34 -0800991 }
Florin Corase04c2992017-03-01 08:17:34 -0800992 }
Florin Corasf03a59a2017-06-09 21:07:32 -0700993 while ((n_read < 0 || max_dequeue > 0) && !utm->time_to_stop);
Florin Corase04c2992017-03-01 08:17:34 -0800994}
995
996void
997server_handle_event_queue (uri_tcp_test_main_t * utm)
998{
Florin Coras3cbc04b2017-10-02 00:18:51 -0700999 session_fifo_event_t _e, *e = &_e;
Florin Corase04c2992017-03-01 08:17:34 -08001000
1001 while (1)
1002 {
1003 unix_shared_memory_queue_sub (utm->our_event_queue, (u8 *) e,
1004 0 /* nowait */ );
1005 switch (e->event_type)
1006 {
Florin Corasa5464812017-04-19 13:00:05 -07001007 case FIFO_EVENT_APP_RX:
Florin Corase04c2992017-03-01 08:17:34 -08001008 server_handle_fifo_event_rx (utm, e);
1009 break;
1010
Florin Corasa5464812017-04-19 13:00:05 -07001011 case FIFO_EVENT_DISCONNECT:
Florin Corase04c2992017-03-01 08:17:34 -08001012 return;
1013
1014 default:
1015 clib_warning ("unknown event type %d", e->event_type);
1016 break;
1017 }
1018 if (PREDICT_FALSE (utm->time_to_stop == 1))
1019 break;
1020 if (PREDICT_FALSE (utm->time_to_print_stats == 1))
1021 {
1022 utm->time_to_print_stats = 0;
1023 fformat (stdout, "%d connections\n", pool_elts (utm->sessions));
1024 }
1025 }
1026}
1027
1028void
Florin Corasa5464812017-04-19 13:00:05 -07001029server_send_listen (uri_tcp_test_main_t * utm)
Florin Corase04c2992017-03-01 08:17:34 -08001030{
1031 vl_api_bind_uri_t *bmp;
Florin Corase04c2992017-03-01 08:17:34 -08001032 bmp = vl_msg_api_alloc (sizeof (*bmp));
1033 memset (bmp, 0, sizeof (*bmp));
1034
1035 bmp->_vl_msg_id = ntohs (VL_API_BIND_URI);
1036 bmp->client_index = utm->my_client_index;
1037 bmp->context = ntohl (0xfeedface);
Florin Corase04c2992017-03-01 08:17:34 -08001038 memcpy (bmp->uri, utm->uri, vec_len (utm->uri));
1039 vl_msg_api_send_shmem (utm->vl_input_queue, (u8 *) & bmp);
1040}
1041
Florin Corasa5464812017-04-19 13:00:05 -07001042int
1043server_listen (uri_tcp_test_main_t * utm)
1044{
1045 server_send_listen (utm);
1046 if (wait_for_state_change (utm, STATE_READY))
1047 {
1048 clib_warning ("timeout waiting for STATE_READY");
1049 return -1;
1050 }
1051 return 0;
1052}
1053
Florin Corase04c2992017-03-01 08:17:34 -08001054void
Florin Corasa5464812017-04-19 13:00:05 -07001055server_send_unbind (uri_tcp_test_main_t * utm)
Florin Corase04c2992017-03-01 08:17:34 -08001056{
1057 vl_api_unbind_uri_t *ump;
1058
1059 ump = vl_msg_api_alloc (sizeof (*ump));
1060 memset (ump, 0, sizeof (*ump));
1061
1062 ump->_vl_msg_id = ntohs (VL_API_UNBIND_URI);
1063 ump->client_index = utm->my_client_index;
1064 memcpy (ump->uri, utm->uri, vec_len (utm->uri));
1065 vl_msg_api_send_shmem (utm->vl_input_queue, (u8 *) & ump);
1066}
1067
Florin Corasa5464812017-04-19 13:00:05 -07001068int
1069server_unbind (uri_tcp_test_main_t * utm)
1070{
1071 server_send_unbind (utm);
1072 if (wait_for_state_change (utm, STATE_START))
1073 {
1074 clib_warning ("timeout waiting for STATE_START");
1075 return -1;
1076 }
1077 return 0;
1078}
1079
Florin Corase04c2992017-03-01 08:17:34 -08001080void
1081server_test (uri_tcp_test_main_t * utm)
1082{
Florin Corasa5464812017-04-19 13:00:05 -07001083 if (application_attach (utm))
1084 return;
Florin Coras6cf30ad2017-04-04 23:08:23 -07001085
Dave Barach68b0fb02017-02-28 15:15:56 -05001086 /* Bind to uri */
Florin Corasa5464812017-04-19 13:00:05 -07001087 if (server_listen (utm))
1088 return;
Dave Barach68b0fb02017-02-28 15:15:56 -05001089
1090 /* Enter handle event loop */
Florin Corase04c2992017-03-01 08:17:34 -08001091 server_handle_event_queue (utm);
Dave Barach68b0fb02017-02-28 15:15:56 -05001092
1093 /* Cleanup */
Florin Corasa5464812017-04-19 13:00:05 -07001094 server_send_unbind (utm);
Dave Barach68b0fb02017-02-28 15:15:56 -05001095
Florin Coras6cf30ad2017-04-04 23:08:23 -07001096 application_detach (utm);
1097
Dave Barach68b0fb02017-02-28 15:15:56 -05001098 fformat (stdout, "Test complete...\n");
1099}
1100
Florin Corase69f4952017-03-07 10:06:24 -08001101static void
1102vl_api_disconnect_session_reply_t_handler (vl_api_disconnect_session_reply_t *
1103 mp)
1104{
Florin Coras6792ec02017-03-13 03:49:51 -07001105 uri_tcp_test_main_t *utm = &uri_tcp_test_main;
Florin Corasf03a59a2017-06-09 21:07:32 -07001106 session_t *session;
Florin Coras6792ec02017-03-13 03:49:51 -07001107
Florin Corasf03a59a2017-06-09 21:07:32 -07001108 if (mp->retval)
1109 {
1110 clib_warning ("vpp complained about disconnect: %d",
1111 ntohl (mp->retval));
1112 }
1113
Florin Coras6792ec02017-03-13 03:49:51 -07001114 utm->state = STATE_START;
Florin Corasf03a59a2017-06-09 21:07:32 -07001115 session = pool_elt_at_index (utm->sessions, utm->connected_session_index);
1116 if (session)
1117 session_print_stats (utm, session);
Florin Corase69f4952017-03-07 10:06:24 -08001118}
1119
1120#define foreach_uri_msg \
1121_(BIND_URI_REPLY, bind_uri_reply) \
1122_(UNBIND_URI_REPLY, unbind_uri_reply) \
1123_(ACCEPT_SESSION, accept_session) \
Dave Wallace33e002b2017-09-06 01:20:02 -04001124_(CONNECT_SESSION_REPLY, connect_session_reply) \
Florin Corase69f4952017-03-07 10:06:24 -08001125_(DISCONNECT_SESSION, disconnect_session) \
1126_(DISCONNECT_SESSION_REPLY, disconnect_session_reply) \
1127_(RESET_SESSION, reset_session) \
Florin Coras6cf30ad2017-04-04 23:08:23 -07001128_(APPLICATION_ATTACH_REPLY, application_attach_reply) \
1129_(APPLICATION_DETACH_REPLY, application_detach_reply) \
1130_(MAP_ANOTHER_SEGMENT, map_another_segment) \
Dave Barach68b0fb02017-02-28 15:15:56 -05001131
1132void
1133uri_api_hookup (uri_tcp_test_main_t * utm)
1134{
1135#define _(N,n) \
1136 vl_msg_api_set_handlers(VL_API_##N, #n, \
1137 vl_api_##n##_t_handler, \
1138 vl_noop_handler, \
1139 vl_api_##n##_t_endian, \
1140 vl_api_##n##_t_print, \
1141 sizeof(vl_api_##n##_t), 1);
1142 foreach_uri_msg;
1143#undef _
1144}
1145
1146int
1147main (int argc, char **argv)
1148{
1149 uri_tcp_test_main_t *utm = &uri_tcp_test_main;
1150 unformat_input_t _argv, *a = &_argv;
1151 u8 *chroot_prefix;
Florin Corase69f4952017-03-07 10:06:24 -08001152 u8 *heap, *uri = 0;
1153 u8 *bind_uri = (u8 *) "tcp://0.0.0.0/1234";
1154 u8 *connect_uri = (u8 *) "tcp://6.0.1.2/1234";
Florin Coras6cf30ad2017-04-04 23:08:23 -07001155 u64 bytes_to_send = 64 << 10, mbytes;
Dave Barach68b0fb02017-02-28 15:15:56 -05001156 u32 tmp;
1157 mheap_t *h;
Florin Corase04c2992017-03-01 08:17:34 -08001158 session_t *session;
Dave Barach68b0fb02017-02-28 15:15:56 -05001159 int i;
Florin Corase04c2992017-03-01 08:17:34 -08001160 int i_am_master = 1, drop_packets = 0, test_return_packets = 0;
Dave Barach68b0fb02017-02-28 15:15:56 -05001161
1162 clib_mem_init (0, 256 << 20);
1163
1164 heap = clib_mem_get_per_cpu_heap ();
1165 h = mheap_header (heap);
1166
1167 /* make the main heap thread-safe */
1168 h->flags |= MHEAP_FLAG_THREAD_SAFE;
1169
Florin Corasf03a59a2017-06-09 21:07:32 -07001170 vec_validate (utm->rx_buf, 128 << 10);
Dave Barach68b0fb02017-02-28 15:15:56 -05001171
Florin Corase04c2992017-03-01 08:17:34 -08001172 utm->session_index_by_vpp_handles = hash_create (0, sizeof (uword));
Dave Barach68b0fb02017-02-28 15:15:56 -05001173
Florin Corase04c2992017-03-01 08:17:34 -08001174 utm->my_pid = getpid ();
1175 utm->configured_segment_size = 1 << 20;
Dave Barach68b0fb02017-02-28 15:15:56 -05001176
1177 clib_time_init (&utm->clib_time);
1178 init_error_string_table (utm);
Florin Corase04c2992017-03-01 08:17:34 -08001179 svm_fifo_segment_init (0x200000000ULL, 20);
Dave Barach68b0fb02017-02-28 15:15:56 -05001180 unformat_init_command_line (a, argv);
1181
1182 while (unformat_check_input (a) != UNFORMAT_END_OF_INPUT)
1183 {
1184 if (unformat (a, "chroot prefix %s", &chroot_prefix))
Florin Corase04c2992017-03-01 08:17:34 -08001185 {
1186 vl_set_memory_root_path ((char *) chroot_prefix);
1187 }
Florin Corase69f4952017-03-07 10:06:24 -08001188 else if (unformat (a, "uri %s", &uri))
Florin Corase04c2992017-03-01 08:17:34 -08001189 ;
Dave Barach68b0fb02017-02-28 15:15:56 -05001190 else if (unformat (a, "segment-size %dM", &tmp))
Florin Corase04c2992017-03-01 08:17:34 -08001191 utm->configured_segment_size = tmp << 20;
Dave Barach68b0fb02017-02-28 15:15:56 -05001192 else if (unformat (a, "segment-size %dG", &tmp))
Florin Corase04c2992017-03-01 08:17:34 -08001193 utm->configured_segment_size = tmp << 30;
Dave Barach68b0fb02017-02-28 15:15:56 -05001194 else if (unformat (a, "master"))
Florin Corase04c2992017-03-01 08:17:34 -08001195 i_am_master = 1;
Dave Barach68b0fb02017-02-28 15:15:56 -05001196 else if (unformat (a, "slave"))
Florin Corase04c2992017-03-01 08:17:34 -08001197 i_am_master = 0;
Dave Barach68b0fb02017-02-28 15:15:56 -05001198 else if (unformat (a, "drop"))
Florin Corase04c2992017-03-01 08:17:34 -08001199 drop_packets = 1;
1200 else if (unformat (a, "test"))
1201 test_return_packets = 1;
Florin Coras6cf30ad2017-04-04 23:08:23 -07001202 else if (unformat (a, "mbytes %lld", &mbytes))
Florin Coras6792ec02017-03-13 03:49:51 -07001203 {
1204 bytes_to_send = mbytes << 20;
1205 }
Florin Coras6cf30ad2017-04-04 23:08:23 -07001206 else if (unformat (a, "gbytes %lld", &mbytes))
1207 {
1208 bytes_to_send = mbytes << 30;
1209 }
Dave Barach68b0fb02017-02-28 15:15:56 -05001210 else
Florin Corase04c2992017-03-01 08:17:34 -08001211 {
1212 fformat (stderr, "%s: usage [master|slave]\n");
1213 exit (1);
1214 }
Dave Barach68b0fb02017-02-28 15:15:56 -05001215 }
1216
Florin Corase69f4952017-03-07 10:06:24 -08001217 if (uri)
1218 {
1219 utm->uri = format (0, "%s%c", uri, 0);
1220 utm->connect_uri = format (0, "%s%c", uri, 0);
1221 }
1222 else
1223 {
1224 utm->uri = format (0, "%s%c", bind_uri, 0);
1225 utm->connect_uri = format (0, "%s%c", connect_uri, 0);
1226 }
1227
Dave Barach68b0fb02017-02-28 15:15:56 -05001228 utm->i_am_master = i_am_master;
1229 utm->segment_main = &svm_fifo_segment_main;
1230 utm->drop_packets = drop_packets;
Florin Corase04c2992017-03-01 08:17:34 -08001231 utm->test_return_packets = test_return_packets;
Florin Coras6792ec02017-03-13 03:49:51 -07001232 utm->bytes_to_send = bytes_to_send;
Florin Corasf03a59a2017-06-09 21:07:32 -07001233 utm->time_to_stop = 0;
Dave Barach68b0fb02017-02-28 15:15:56 -05001234
Florin Corase04c2992017-03-01 08:17:34 -08001235 setup_signal_handlers ();
Dave Barach68b0fb02017-02-28 15:15:56 -05001236 uri_api_hookup (utm);
1237
Florin Corase04c2992017-03-01 08:17:34 -08001238 if (connect_to_vpp (i_am_master ? "uri_tcp_server" : "uri_tcp_client") < 0)
Dave Barach68b0fb02017-02-28 15:15:56 -05001239 {
1240 svm_region_exit ();
1241 fformat (stderr, "Couldn't connect to vpe, exiting...\n");
1242 exit (1);
1243 }
1244
1245 if (i_am_master == 0)
1246 {
Florin Corase04c2992017-03-01 08:17:34 -08001247 client_test (utm);
Florin Corase69f4952017-03-07 10:06:24 -08001248 vl_client_disconnect_from_vlib ();
Dave Barach68b0fb02017-02-28 15:15:56 -05001249 exit (0);
1250 }
1251
1252 /* $$$$ hack preallocation */
1253 for (i = 0; i < 200000; i++)
1254 {
1255 pool_get (utm->sessions, session);
1256 memset (session, 0, sizeof (*session));
1257 }
1258 for (i = 0; i < 200000; i++)
1259 pool_put_index (utm->sessions, i);
1260
Florin Corase04c2992017-03-01 08:17:34 -08001261 server_test (utm);
Dave Barach68b0fb02017-02-28 15:15:56 -05001262
1263 vl_client_disconnect_from_vlib ();
1264 exit (0);
1265}
Florin Corase04c2992017-03-01 08:17:34 -08001266
1267/*
1268 * fd.io coding-style-patch-verification: ON
1269 *
1270 * Local Variables:
1271 * eval: (c-set-style "gnu")
1272 * End:
1273 */