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:
7 * http://www.apache.org/licenses/LICENSE-2.0
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.
19 #include <vnet/session/application_interface.h>
20 #include <svm/svm_fifo_segment.h>
21 #include <vlibmemory/api.h>
23 #include <vpp/api/vpe_msg_enum.h>
25 #define vl_typedefs /* define message structures */
26 #include <vpp/api/vpe_all_api_h.h>
29 /* declare message handlers for each api */
31 #define vl_endianfun /* define message structures */
32 #include <vpp/api/vpe_all_api_h.h>
35 /* instantiate all the print functions we know about */
36 #define vl_print(handle, ...)
38 #include <vpp/api/vpe_all_api_h.h>
41 #define TCP_ECHO_DBG 0
42 #define DBG(_fmt,_args...) \
44 clib_warning (_fmt, _args)
48 CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
49 #define _(type, name) type name;
50 foreach_app_session_field
52 u64 vpp_session_handle;
55 volatile u64 bytes_received;
56 volatile u64 bytes_to_receive;
74 svm_queue_t *vl_input_queue;
76 /* API client handle */
79 /* The URI we're playing with */
83 echo_session_t *sessions;
85 /* Hash table for disconnect processing */
86 uword *session_index_by_vpp_handles;
88 /* intermediate rx buffer */
91 /* URI for slave's connect */
94 u32 connected_session_index;
98 /* drop all packets */
101 /* Our event queue */
102 svm_msg_q_t *our_event_queue;
108 /* For deadman timers */
109 clib_time_t clib_time;
111 /* State of the connection, shared between msg RX thread and main thread */
112 volatile connection_state_t state;
114 /* Signal variables */
115 volatile int time_to_stop;
116 volatile int time_to_print_stats;
118 u32 configured_segment_size;
120 /* VNET_API_ERROR_FOO -> "Foo" hash table */
121 uword *error_string_by_error_number;
123 u8 *connect_test_data;
124 pthread_t *client_thread_handles;
126 u32 client_bytes_received;
127 u8 test_return_packets;
135 volatile u32 n_clients_connected;
136 volatile u32 n_active_clients;
139 /** Flag that decides if socket, instead of svm, api is used to connect to
140 * vpp. If sock api is used, shm binary api is subsequently bootstrapped
141 * and all other messages are exchanged using shm IPC. */
144 svm_fifo_segment_main_t segment_main;
147 echo_main_t echo_main;
152 #define NITER 4000000
155 const char test_srv_crt_rsa[] =
156 "-----BEGIN CERTIFICATE-----\r\n"
157 "MIID5zCCAs+gAwIBAgIJALeMYCEHrTtJMA0GCSqGSIb3DQEBCwUAMIGJMQswCQYD\r\n"
158 "VQQGEwJVUzELMAkGA1UECAwCQ0ExETAPBgNVBAcMCFNhbiBKb3NlMQ4wDAYDVQQK\r\n"
159 "DAVDaXNjbzEOMAwGA1UECwwFZmQuaW8xFjAUBgNVBAMMDXRlc3R0bHMuZmQuaW8x\r\n"
160 "IjAgBgkqhkiG9w0BCQEWE3ZwcC1kZXZAbGlzdHMuZmQuaW8wHhcNMTgwMzA1MjEx\r\n"
161 "NTEyWhcNMjgwMzAyMjExNTEyWjCBiTELMAkGA1UEBhMCVVMxCzAJBgNVBAgMAkNB\r\n"
162 "MREwDwYDVQQHDAhTYW4gSm9zZTEOMAwGA1UECgwFQ2lzY28xDjAMBgNVBAsMBWZk\r\n"
163 "LmlvMRYwFAYDVQQDDA10ZXN0dGxzLmZkLmlvMSIwIAYJKoZIhvcNAQkBFhN2cHAt\r\n"
164 "ZGV2QGxpc3RzLmZkLmlvMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA\r\n"
165 "4C1k8a1DuStgggqT4o09fP9sJ2dC54bxhS/Xk2VEfaIZ222WSo4X/syRVfVy9Yah\r\n"
166 "cpI1zJ/RDxaZSFhgA+nPZBrFMsrULkrdAOpOVj8eDEp9JuWdO2ODSoFnCvLxcYWB\r\n"
167 "Yc5kHryJpEaGJl1sFQSesnzMFty/59ta0stk0Fp8r5NhIjWvSovGzPo6Bhz+VS2c\r\n"
168 "ebIZh4x1t2hHaFcgm0qJoJ6DceReWCW8w+yOVovTolGGq+bpb2Hn7MnRSZ2K2NdL\r\n"
169 "+aLXpkZbS/AODP1FF2vTO1mYL290LO7/51vJmPXNKSDYMy5EvILr5/VqtjsFCwRL\r\n"
170 "Q4jcM/+GeHSAFWx4qIv0BwIDAQABo1AwTjAdBgNVHQ4EFgQUWa1SOB37xmT53tZQ\r\n"
171 "aXuLLhRI7U8wHwYDVR0jBBgwFoAUWa1SOB37xmT53tZQaXuLLhRI7U8wDAYDVR0T\r\n"
172 "BAUwAwEB/zANBgkqhkiG9w0BAQsFAAOCAQEAoUht13W4ya27NVzQuCMvqPWL3VM4\r\n"
173 "3xbPFk02FaGz/WupPu276zGlzJAZrbuDcQowwwU1Ni1Yygxl96s1c2M5rHDTrOKG\r\n"
174 "rK0hbkSFBo+i6I8u4HiiQ4rYmG0Hv6+sXn3of0HsbtDPGgWZoipPWDljPYEURu3e\r\n"
175 "3HRe/Dtsj9CakBoSDzs8ndWaBR+f4sM9Tk1cjD46Gq2T/qpSPXqKxEUXlzhdCAn4\r\n"
176 "twub17Bq2kykHpppCwPg5M+v30tHG/R2Go15MeFWbEJthFk3TZMjKL7UFs7fH+x2\r\n"
177 "wSonXb++jY+KmCb93C+soABBizE57g/KmiR2IxQ/LMjDik01RSUIaM0lLA==\r\n"
178 "-----END CERTIFICATE-----\r\n";
179 const u32 test_srv_crt_rsa_len = sizeof (test_srv_crt_rsa);
181 const char test_srv_key_rsa[] =
182 "-----BEGIN PRIVATE KEY-----\r\n"
183 "MIIEvQIBADANBgkqhkiG9w0BAQEFAASCBKcwggSjAgEAAoIBAQDgLWTxrUO5K2CC\r\n"
184 "CpPijT18/2wnZ0LnhvGFL9eTZUR9ohnbbZZKjhf+zJFV9XL1hqFykjXMn9EPFplI\r\n"
185 "WGAD6c9kGsUyytQuSt0A6k5WPx4MSn0m5Z07Y4NKgWcK8vFxhYFhzmQevImkRoYm\r\n"
186 "XWwVBJ6yfMwW3L/n21rSy2TQWnyvk2EiNa9Ki8bM+joGHP5VLZx5shmHjHW3aEdo\r\n"
187 "VyCbSomgnoNx5F5YJbzD7I5Wi9OiUYar5ulvYefsydFJnYrY10v5otemRltL8A4M\r\n"
188 "/UUXa9M7WZgvb3Qs7v/nW8mY9c0pINgzLkS8guvn9Wq2OwULBEtDiNwz/4Z4dIAV\r\n"
189 "bHioi/QHAgMBAAECggEBAMzGipP8+oT166U+NlJXRFifFVN1DvdhG9PWnOxGL+c3\r\n"
190 "ILmBBC08WQzmHshPemBvR6DZkA1H23cV5JTiLWrFtC00CvhXsLRMrE5+uWotI6yE\r\n"
191 "iofybMroHvD6/X5R510UX9hQ6MHu5ShLR5VZ9zXHz5MpTmB/60jG5dLx+jgcwBK8\r\n"
192 "LuGv2YB/WCUwT9QJ3YU2eaingnXtz/MrFbkbltrqlnBdlD+kTtw6Yac9y1XuuQXc\r\n"
193 "BPeulLNDuPolJVWbUvDBZrpt2dXTgz8ws1sv+wCNE0xwQJsqW4Nx3QkpibUL9RUr\r\n"
194 "CVbKlNfa9lopT6nGKlgX69R/uH35yh9AOsfasro6w0ECgYEA82UJ8u/+ORah+0sF\r\n"
195 "Q0FfW5MTdi7OAUHOz16pUsGlaEv0ERrjZxmAkHA/VRwpvDBpx4alCv0Hc39PFLIk\r\n"
196 "nhSsM2BEuBkTAs6/GaoNAiBtQVE/hN7awNRWVmlieS0go3Y3dzaE9IUMyj8sPOFT\r\n"
197 "5JdJ6BM69PHKCkY3dKdnnfpFEuECgYEA68mRpteunF1mdZgXs+WrN+uLlRrQR20F\r\n"
198 "ZyMYiUCH2Dtn26EzA2moy7FipIIrQcX/j+KhYNGM3e7MU4LymIO29E18mn8JODnH\r\n"
199 "sQOXzBTsf8A4yIVMkcuQD3bfb0JiUGYUPOidTp2N7IJA7+6Yc3vQOyb74lnKnJoO\r\n"
200 "gougPT2wS+cCgYAn7muzb6xFsXDhyW0Tm6YJYBfRS9yAWEuVufINobeBZPSl2cN1\r\n"
201 "Jrnw+HlrfTNbrJWuJmjtZJXUXQ6cVp2rUbjutNyRV4vG6iRwEXYQ40EJdkr1gZpi\r\n"
202 "CHQhuShuuPih2MNAy7EEbM+sXrDjTBR3bFqzuHPzu7dp+BshCFX3lRfAAQKBgGQt\r\n"
203 "K5i7IhCFDjb/+3IPLgOAK7mZvsvZ4eXD33TQ2eZgtut1PXtBtNl17/b85uv293Fm\r\n"
204 "VDISVcsk3eLNS8zIiT6afUoWlxAwXEs0v5WRfjl4radkGvgGiJpJYvyeM67877RB\r\n"
205 "EDSKc/X8ESLfOB44iGvZUEMG6zJFscx9DgN25iQZAoGAbyd+JEWwdVH9/K3IH1t2\r\n"
206 "PBkZX17kNWv+iVM1WyFjbe++vfKZCrOJiyiqhDeEqgrP3AuNMlaaduC3VRC3G5oV\r\n"
207 "Mj1tlhDWQ/qhvKdCKNdIVQYDE75nw+FRWV8yYkHAnXYW3tNoweDIwixE0hkPR1bc\r\n"
208 "oEjPLVNtx8SOj/M4rhaPT3I=\r\n" "-----END PRIVATE KEY-----\r\n";
209 const u32 test_srv_key_rsa_len = sizeof (test_srv_key_rsa);
212 format_api_error (u8 * s, va_list * args)
214 echo_main_t *em = &echo_main;
215 i32 error = va_arg (*args, u32);
218 p = hash_get (em->error_string_by_error_number, -error);
221 s = format (s, "%s", p[0]);
223 s = format (s, "%d", error);
228 init_error_string_table (echo_main_t * em)
230 em->error_string_by_error_number = hash_create (0, sizeof (uword));
232 #define _(n,v,s) hash_set (em->error_string_by_error_number, -v, s);
233 foreach_vnet_api_error;
236 hash_set (em->error_string_by_error_number, 99, "Misc");
239 static void handle_mq_event (session_event_t * e);
242 wait_for_state_change (echo_main_t * em, connection_state_t state)
249 #define TIMEOUT 600.0
251 #define TIMEOUT 600.0
254 timeout = clib_time_now (&em->clib_time) + TIMEOUT;
256 while (clib_time_now (&em->clib_time) < timeout)
258 if (em->state == state)
260 if (em->state == STATE_FAILED)
262 if (em->time_to_stop == 1)
264 if (!em->our_event_queue || em->state < STATE_ATTACHED)
267 if (svm_msg_q_sub (em->our_event_queue, &msg, SVM_Q_NOWAIT, 0))
269 e = svm_msg_q_msg_data (em->our_event_queue, &msg);
271 svm_msg_q_free_msg (em->our_event_queue, &msg);
273 clib_warning ("timeout waiting for state %d", state);
278 application_send_attach (echo_main_t * em)
280 vl_api_application_attach_t *bmp;
281 vl_api_application_tls_cert_add_t *cert_mp;
282 vl_api_application_tls_key_add_t *key_mp;
284 bmp = vl_msg_api_alloc (sizeof (*bmp));
285 clib_memset (bmp, 0, sizeof (*bmp));
287 bmp->_vl_msg_id = ntohs (VL_API_APPLICATION_ATTACH);
288 bmp->client_index = em->my_client_index;
289 bmp->context = ntohl (0xfeedface);
290 bmp->options[APP_OPTIONS_FLAGS] = APP_OPTIONS_FLAGS_ACCEPT_REDIRECT;
291 bmp->options[APP_OPTIONS_FLAGS] |= APP_OPTIONS_FLAGS_ADD_SEGMENT;
292 bmp->options[APP_OPTIONS_FLAGS] |= APP_OPTIONS_FLAGS_USE_MQ_FOR_CTRL_MSGS;
293 bmp->options[APP_OPTIONS_PREALLOC_FIFO_PAIRS] = 16;
294 bmp->options[APP_OPTIONS_RX_FIFO_SIZE] = em->fifo_size;
295 bmp->options[APP_OPTIONS_TX_FIFO_SIZE] = em->fifo_size;
296 bmp->options[APP_OPTIONS_ADD_SEGMENT_SIZE] = 128 << 20;
297 bmp->options[APP_OPTIONS_SEGMENT_SIZE] = 256 << 20;
298 bmp->options[APP_OPTIONS_EVT_QUEUE_SIZE] = 256;
299 vl_msg_api_send_shmem (em->vl_input_queue, (u8 *) & bmp);
301 cert_mp = vl_msg_api_alloc (sizeof (*cert_mp) + test_srv_crt_rsa_len);
302 clib_memset (cert_mp, 0, sizeof (*cert_mp));
303 cert_mp->_vl_msg_id = ntohs (VL_API_APPLICATION_TLS_CERT_ADD);
304 cert_mp->client_index = em->my_client_index;
305 cert_mp->context = ntohl (0xfeedface);
306 cert_mp->cert_len = clib_host_to_net_u16 (test_srv_crt_rsa_len);
307 clib_memcpy_fast (cert_mp->cert, test_srv_crt_rsa, test_srv_crt_rsa_len);
308 vl_msg_api_send_shmem (em->vl_input_queue, (u8 *) & cert_mp);
310 key_mp = vl_msg_api_alloc (sizeof (*key_mp) + test_srv_key_rsa_len);
311 clib_memset (key_mp, 0, sizeof (*key_mp) + test_srv_key_rsa_len);
312 key_mp->_vl_msg_id = ntohs (VL_API_APPLICATION_TLS_KEY_ADD);
313 key_mp->client_index = em->my_client_index;
314 key_mp->context = ntohl (0xfeedface);
315 key_mp->key_len = clib_host_to_net_u16 (test_srv_key_rsa_len);
316 clib_memcpy_fast (key_mp->key, test_srv_key_rsa, test_srv_key_rsa_len);
317 vl_msg_api_send_shmem (em->vl_input_queue, (u8 *) & key_mp);
321 application_attach (echo_main_t * em)
323 application_send_attach (em);
324 if (wait_for_state_change (em, STATE_ATTACHED))
326 clib_warning ("timeout waiting for STATE_ATTACHED");
333 application_detach (echo_main_t * em)
335 vl_api_application_detach_t *bmp;
336 bmp = vl_msg_api_alloc (sizeof (*bmp));
337 clib_memset (bmp, 0, sizeof (*bmp));
339 bmp->_vl_msg_id = ntohs (VL_API_APPLICATION_DETACH);
340 bmp->client_index = em->my_client_index;
341 bmp->context = ntohl (0xfeedface);
342 vl_msg_api_send_shmem (em->vl_input_queue, (u8 *) & bmp);
344 DBG ("%s", "Sent detach");
348 ssvm_segment_attach (char *name, ssvm_segment_type_t type, int fd)
350 svm_fifo_segment_create_args_t _a, *a = &_a;
351 svm_fifo_segment_main_t *sm = &echo_main.segment_main;
354 clib_memset (a, 0, sizeof (*a));
355 a->segment_name = (char *) name;
356 a->segment_type = type;
358 if (type == SSVM_SEGMENT_MEMFD)
361 if ((rv = svm_fifo_segment_attach (sm, a)))
363 clib_warning ("svm_fifo_segment_attach ('%s') failed", name);
367 vec_reset_length (a->new_segment_indices);
372 vl_api_application_attach_reply_t_handler (vl_api_application_attach_reply_t *
375 echo_main_t *em = &echo_main;
381 clib_warning ("attach failed: %U", format_api_error,
382 clib_net_to_host_u32 (mp->retval));
386 if (mp->segment_name_length == 0)
388 clib_warning ("segment_name_length zero");
392 ASSERT (mp->app_event_queue_address);
393 em->our_event_queue = uword_to_pointer (mp->app_event_queue_address,
398 vec_validate (fds, mp->n_fds);
399 vl_socket_client_recv_fd_msg (fds, mp->n_fds, 5);
401 if (mp->fd_flags & SESSION_FD_F_VPP_MQ_SEGMENT)
402 if (ssvm_segment_attach (0, SSVM_SEGMENT_MEMFD, fds[n_fds++]))
405 if (mp->fd_flags & SESSION_FD_F_MEMFD_SEGMENT)
406 if (ssvm_segment_attach ((char *) mp->segment_name,
407 SSVM_SEGMENT_MEMFD, fds[n_fds++]))
410 if (mp->fd_flags & SESSION_FD_F_MQ_EVENTFD)
411 svm_msg_q_set_consumer_eventfd (em->our_event_queue, fds[n_fds++]);
417 if (ssvm_segment_attach ((char *) mp->segment_name, SSVM_SEGMENT_SHM,
422 em->state = STATE_ATTACHED;
425 em->state = STATE_FAILED;
430 vl_api_application_detach_reply_t_handler (vl_api_application_detach_reply_t *
434 clib_warning ("detach returned with err: %d", mp->retval);
435 echo_main.state = STATE_DETACHED;
439 stop_signal (int signum)
441 echo_main_t *um = &echo_main;
443 um->time_to_stop = 1;
447 stats_signal (int signum)
449 echo_main_t *um = &echo_main;
451 um->time_to_print_stats = 1;
454 static clib_error_t *
455 setup_signal_handlers (void)
457 signal (SIGINT, stats_signal);
458 signal (SIGQUIT, stop_signal);
459 signal (SIGTERM, stop_signal);
465 vlib_cli_output (struct vlib_main_t *vm, char *fmt, ...)
467 clib_warning ("BUG");
471 connect_to_vpp (char *name)
473 echo_main_t *em = &echo_main;
474 api_main_t *am = &api_main;
476 if (em->use_sock_api)
478 if (vl_socket_client_connect ((char *) em->socket_name, name,
479 0 /* default rx, tx buffer */ ))
481 clib_warning ("socket connect failed");
485 if (vl_socket_client_init_shm (0, 1 /* want_pthread */ ))
487 clib_warning ("init shm api failed");
493 if (vl_client_connect_to_vlib ("/vpe-api", name, 32) < 0)
495 clib_warning ("shmem connect failed");
499 em->vl_input_queue = am->shmem_hdr->vl_input_queue;
500 em->my_client_index = am->my_client_index;
505 disconnect_from_vpp (echo_main_t * em)
507 if (em->use_sock_api)
508 vl_socket_client_disconnect ();
510 vl_client_disconnect_from_vlib ();
514 vl_api_map_another_segment_t_handler (vl_api_map_another_segment_t * mp)
516 svm_fifo_segment_main_t *sm = &echo_main.segment_main;
517 svm_fifo_segment_create_args_t _a, *a = &_a;
520 clib_memset (a, 0, sizeof (*a));
521 a->segment_name = (char *) mp->segment_name;
522 a->segment_size = mp->segment_size;
523 /* Attach to the segment vpp created */
524 rv = svm_fifo_segment_attach (sm, a);
527 clib_warning ("svm_fifo_segment_attach ('%s') failed",
531 clib_warning ("Mapped new segment '%s' size %d", mp->segment_name,
536 session_print_stats (echo_main_t * em, echo_session_t * session)
541 deltat = clib_time_now (&em->clib_time) - session->start;
542 bytes = em->i_am_master ? session->bytes_received : em->bytes_to_send;
543 fformat (stdout, "Finished in %.6f\n", deltat);
544 fformat (stdout, "%.4f Gbit/second\n", (bytes * 8.0) / deltat / 1e9);
548 test_recv_bytes (echo_session_t * s, u8 * rx_buf, u32 n_read)
551 for (i = 0; i < n_read; i++)
553 if (rx_buf[i] != ((s->bytes_received + i) & 0xff))
555 clib_warning ("error at byte %lld, 0x%x not 0x%x",
556 s->bytes_received + i, rx_buf[i],
557 ((s->bytes_received + i) & 0xff));
563 recv_data_chunk (echo_main_t * em, echo_session_t * s, u8 * rx_buf)
565 int n_to_read, n_read;
567 n_to_read = svm_fifo_max_dequeue (s->rx_fifo);
573 n_read = app_recv_stream ((app_session_t *) s, rx_buf,
578 if (em->test_return_packets)
579 test_recv_bytes (s, rx_buf, n_read);
583 s->bytes_received += n_read;
584 s->bytes_to_receive -= n_read;
589 while (n_to_read > 0);
593 client_handle_rx (echo_main_t * em, session_event_t * e, u8 * rx_buf)
597 s = pool_elt_at_index (em->sessions, e->fifo->client_session_index);
598 recv_data_chunk (em, s, rx_buf);
602 send_data_chunk (echo_main_t * em, echo_session_t * s)
604 u64 test_buf_len, bytes_this_chunk, test_buf_offset;
605 u8 *test_data = em->connect_test_data;
608 test_buf_len = vec_len (test_data);
609 test_buf_offset = s->bytes_sent % test_buf_len;
610 bytes_this_chunk = clib_min (test_buf_len - test_buf_offset,
613 n_sent = app_send_stream ((app_session_t *) s, test_data + test_buf_offset,
614 bytes_this_chunk, 0);
618 s->bytes_to_send -= n_sent;
619 s->bytes_sent += n_sent;
624 * Rx/Tx polling thread per connection
627 client_thread_fn (void *arg)
629 echo_main_t *em = &echo_main;
630 static u8 *rx_buf = 0;
631 u32 session_index = *(u32 *) arg;
634 vec_validate (rx_buf, 1 << 20);
636 while (!em->time_to_stop && em->state != STATE_READY)
639 s = pool_elt_at_index (em->sessions, session_index);
640 while (!em->time_to_stop)
642 send_data_chunk (em, s);
643 recv_data_chunk (em, s, rx_buf);
644 if (!s->bytes_to_send && !s->bytes_to_receive)
648 DBG ("session %d done", session_index);
649 em->tx_total += s->bytes_sent;
650 em->rx_total += s->bytes_received;
651 em->n_active_clients--;
657 * Rx thread that handles all connections.
662 client_rx_thread_fn (void *arg)
664 session_event_t _e, *e = &_e;
665 echo_main_t *em = &echo_main;
666 static u8 *rx_buf = 0;
669 vec_validate (rx_buf, 1 << 20);
671 while (!em->time_to_stop && em->state != STATE_READY)
674 while (!em->time_to_stop)
676 svm_msg_q_sub (em->our_event_queue, &msg, SVM_Q_WAIT, 0);
677 e = svm_msg_q_msg_data (em->our_event_queue, &msg);
678 switch (e->event_type)
680 case FIFO_EVENT_APP_RX:
681 client_handle_rx (em, e, rx_buf);
684 clib_warning ("unknown event type %d", e->event_type);
687 svm_msg_q_free_msg (em->our_event_queue, &msg);
693 client_send_connect (echo_main_t * em)
695 vl_api_connect_uri_t *cmp;
696 cmp = vl_msg_api_alloc (sizeof (*cmp));
697 clib_memset (cmp, 0, sizeof (*cmp));
699 cmp->_vl_msg_id = ntohs (VL_API_CONNECT_URI);
700 cmp->client_index = em->my_client_index;
701 cmp->context = ntohl (0xfeedface);
702 memcpy (cmp->uri, em->connect_uri, vec_len (em->connect_uri));
703 vl_msg_api_send_shmem (em->vl_input_queue, (u8 *) & cmp);
707 client_send_disconnect (echo_main_t * em, echo_session_t * s)
709 vl_api_disconnect_session_t *dmp;
710 dmp = vl_msg_api_alloc (sizeof (*dmp));
711 clib_memset (dmp, 0, sizeof (*dmp));
712 dmp->_vl_msg_id = ntohs (VL_API_DISCONNECT_SESSION);
713 dmp->client_index = em->my_client_index;
714 dmp->handle = s->vpp_session_handle;
715 vl_msg_api_send_shmem (em->vl_input_queue, (u8 *) & dmp);
719 client_disconnect (echo_main_t * em, echo_session_t * s)
721 client_send_disconnect (em, s);
722 pool_put (em->sessions, s);
723 clib_memset (s, 0xfe, sizeof (*s));
728 session_bound_handler (session_bound_msg_t * mp)
730 echo_main_t *em = &echo_main;
734 clib_warning ("bind failed: %U", format_api_error,
735 clib_net_to_host_u32 (mp->retval));
736 em->state = STATE_FAILED;
740 clib_warning ("listening on %U:%u", format_ip46_address, mp->lcl_ip,
741 mp->lcl_is_ip4 ? IP46_TYPE_IP4 : IP46_TYPE_IP6, mp->lcl_port);
742 em->state = STATE_READY;
746 session_accepted_handler (session_accepted_msg_t * mp)
748 app_session_evt_t _app_evt, *app_evt = &_app_evt;
749 session_accepted_reply_msg_t *rmp;
750 svm_fifo_t *rx_fifo, *tx_fifo;
751 echo_main_t *em = &echo_main;
752 echo_session_t *session;
753 static f64 start_time;
757 if (start_time == 0.0)
758 start_time = clib_time_now (&em->clib_time);
760 ip_str = format (0, "%U", format_ip46_address, &mp->ip, mp->is_ip4);
761 clib_warning ("Accepted session from: %s:%d", ip_str,
762 clib_net_to_host_u16 (mp->port));
764 /* Allocate local session and set it up */
765 pool_get (em->sessions, session);
766 session_index = session - em->sessions;
768 rx_fifo = uword_to_pointer (mp->server_rx_fifo, svm_fifo_t *);
769 rx_fifo->client_session_index = session_index;
770 tx_fifo = uword_to_pointer (mp->server_tx_fifo, svm_fifo_t *);
771 tx_fifo->client_session_index = session_index;
773 session->rx_fifo = rx_fifo;
774 session->tx_fifo = tx_fifo;
775 session->vpp_evt_q = uword_to_pointer (mp->vpp_event_queue_address,
778 /* Add it to lookup table */
779 hash_set (em->session_index_by_vpp_handles, mp->handle, session_index);
781 em->state = STATE_READY;
784 if (pool_elts (em->sessions) && (pool_elts (em->sessions) % 20000) == 0)
786 f64 now = clib_time_now (&em->clib_time);
787 fformat (stdout, "%d active sessions in %.2f seconds, %.2f/sec...\n",
788 pool_elts (em->sessions), now - start_time,
789 (f64) pool_elts (em->sessions) / (now - start_time));
793 * Send accept reply to vpp
795 app_alloc_ctrl_evt_to_vpp (session->vpp_evt_q, app_evt,
796 SESSION_CTRL_EVT_ACCEPTED_REPLY);
797 rmp = (session_accepted_reply_msg_t *) app_evt->evt->data;
798 rmp->handle = mp->handle;
799 rmp->context = mp->context;
800 app_send_ctrl_evt_to_vpp (session->vpp_evt_q, app_evt);
802 session->bytes_received = 0;
803 session->start = clib_time_now (&em->clib_time);
807 session_connected_handler (session_connected_msg_t * mp)
809 echo_main_t *em = &echo_main;
810 echo_session_t *session;
812 svm_fifo_t *rx_fifo, *tx_fifo;
817 clib_warning ("connection failed with code: %U", format_api_error,
818 clib_net_to_host_u32 (mp->retval));
819 em->state = STATE_FAILED;
827 pool_get (em->sessions, session);
828 clib_memset (session, 0, sizeof (*session));
829 session_index = session - em->sessions;
831 rx_fifo = uword_to_pointer (mp->server_rx_fifo, svm_fifo_t *);
832 rx_fifo->client_session_index = session_index;
833 tx_fifo = uword_to_pointer (mp->server_tx_fifo, svm_fifo_t *);
834 tx_fifo->client_session_index = session_index;
836 session->rx_fifo = rx_fifo;
837 session->tx_fifo = tx_fifo;
838 session->vpp_session_handle = mp->handle;
839 session->start = clib_time_now (&em->clib_time);
840 session->vpp_evt_q = uword_to_pointer (mp->vpp_event_queue_address,
843 hash_set (em->session_index_by_vpp_handles, mp->handle, session_index);
848 em->thread_args[em->n_clients_connected] = session_index;
849 rv = pthread_create (&em->client_thread_handles[em->n_clients_connected],
850 NULL /*attr */ , client_thread_fn,
851 (void *) &em->thread_args[em->n_clients_connected]);
854 clib_warning ("pthread_create returned %d", rv);
858 em->n_clients_connected += 1;
859 clib_warning ("session %u (0x%llx) connected with local ip %U port %d",
860 session_index, mp->handle, format_ip46_address, mp->lcl_ip,
861 mp->is_ip4, clib_net_to_host_u16 (mp->lcl_port));
865 session_disconnected_handler (session_disconnected_msg_t * mp)
867 app_session_evt_t _app_evt, *app_evt = &_app_evt;
868 session_disconnected_reply_msg_t *rmp;
869 echo_main_t *em = &echo_main;
870 echo_session_t *session = 0;
874 p = hash_get (em->session_index_by_vpp_handles, mp->handle);
877 clib_warning ("couldn't find session key %llx", mp->handle);
881 session = pool_elt_at_index (em->sessions, p[0]);
882 hash_unset (em->session_index_by_vpp_handles, mp->handle);
883 pool_put (em->sessions, session);
885 app_alloc_ctrl_evt_to_vpp (session->vpp_evt_q, app_evt,
886 SESSION_CTRL_EVT_DISCONNECTED_REPLY);
887 rmp = (session_disconnected_reply_msg_t *) app_evt->evt->data;
889 rmp->handle = mp->handle;
890 rmp->context = mp->context;
891 app_send_ctrl_evt_to_vpp (session->vpp_evt_q, app_evt);
893 session_print_stats (em, session);
897 session_reset_handler (session_reset_msg_t * mp)
899 app_session_evt_t _app_evt, *app_evt = &_app_evt;
900 echo_main_t *em = &echo_main;
901 session_reset_reply_msg_t *rmp;
902 echo_session_t *session = 0;
906 p = hash_get (em->session_index_by_vpp_handles, mp->handle);
910 session = pool_elt_at_index (em->sessions, p[0]);
911 clib_warning ("got reset");
913 em->time_to_stop = 1;
917 clib_warning ("couldn't find session key %llx", mp->handle);
921 app_alloc_ctrl_evt_to_vpp (session->vpp_evt_q, app_evt,
922 SESSION_CTRL_EVT_RESET_REPLY);
923 rmp = (session_reset_reply_msg_t *) app_evt->evt->data;
925 rmp->handle = mp->handle;
926 app_send_ctrl_evt_to_vpp (session->vpp_evt_q, app_evt);
930 handle_mq_event (session_event_t * e)
932 switch (e->event_type)
934 case SESSION_CTRL_EVT_BOUND:
935 session_bound_handler ((session_bound_msg_t *) e->data);
937 case SESSION_CTRL_EVT_ACCEPTED:
938 session_accepted_handler ((session_accepted_msg_t *) e->data);
940 case SESSION_CTRL_EVT_CONNECTED:
941 session_connected_handler ((session_connected_msg_t *) e->data);
943 case SESSION_CTRL_EVT_DISCONNECTED:
944 session_disconnected_handler ((session_disconnected_msg_t *) e->data);
946 case SESSION_CTRL_EVT_RESET:
947 session_reset_handler ((session_reset_msg_t *) e->data);
950 clib_warning ("unhandled %u", e->event_type);
955 clients_run (echo_main_t * em)
957 f64 start_time, deltat, timeout = 100.0;
964 vec_validate (em->connect_test_data, 1024 * 1024 - 1);
965 for (i = 0; i < vec_len (em->connect_test_data); i++)
966 em->connect_test_data[i] = i & 0xff;
969 * Attach and connect the clients
971 if (application_attach (em))
974 for (i = 0; i < em->n_clients; i++)
975 client_send_connect (em);
977 start_time = clib_time_now (&em->clib_time);
978 while (em->n_clients_connected < em->n_clients
979 && (clib_time_now (&em->clib_time) - start_time < timeout)
980 && em->state != STATE_FAILED)
983 svm_msg_q_sub (em->our_event_queue, &msg, SVM_Q_WAIT, 0);
984 e = svm_msg_q_msg_data (em->our_event_queue, &msg);
986 svm_msg_q_free_msg (em->our_event_queue, &msg);
989 if (em->n_clients_connected != em->n_clients)
991 clib_warning ("failed to initialize all connections");
996 * Initialize connections
998 for (i = 0; i < em->n_clients; i++)
1000 s = pool_elt_at_index (em->sessions, i);
1001 s->bytes_to_send = em->bytes_to_send;
1003 s->bytes_to_receive = em->bytes_to_send;
1005 em->n_active_clients = em->n_clients_connected;
1008 * Wait for client threads to send the data
1010 start_time = clib_time_now (&em->clib_time);
1011 em->state = STATE_READY;
1012 while (em->n_active_clients)
1013 if (!svm_msg_q_is_empty (em->our_event_queue))
1015 if (svm_msg_q_sub (em->our_event_queue, &msg, SVM_Q_WAIT, 0))
1017 clib_warning ("svm msg q returned");
1020 e = svm_msg_q_msg_data (em->our_event_queue, &msg);
1021 if (e->event_type != FIFO_EVENT_APP_RX)
1022 handle_mq_event (e);
1023 svm_msg_q_free_msg (em->our_event_queue, &msg);
1026 for (i = 0; i < em->n_clients; i++)
1028 s = pool_elt_at_index (em->sessions, i);
1029 client_disconnect (em, s);
1035 deltat = clib_time_now (&em->clib_time) - start_time;
1036 fformat (stdout, "%lld bytes (%lld mbytes, %lld gbytes) in %.2f seconds\n",
1037 em->tx_total, em->tx_total / (1ULL << 20),
1038 em->tx_total / (1ULL << 30), deltat);
1039 fformat (stdout, "%.4f Gbit/second\n", (em->tx_total * 8.0) / deltat / 1e9);
1041 application_detach (em);
1045 vl_api_bind_uri_reply_t_handler (vl_api_bind_uri_reply_t * mp)
1047 echo_main_t *em = &echo_main;
1051 clib_warning ("bind failed: %U", format_api_error,
1052 clib_net_to_host_u32 (mp->retval));
1053 em->state = STATE_FAILED;
1057 em->state = STATE_READY;
1061 vl_api_unbind_uri_reply_t_handler (vl_api_unbind_uri_reply_t * mp)
1063 echo_main_t *em = &echo_main;
1065 if (mp->retval != 0)
1066 clib_warning ("returned %d", ntohl (mp->retval));
1068 em->state = STATE_START;
1072 format_ip4_address (u8 * s, va_list * args)
1074 u8 *a = va_arg (*args, u8 *);
1075 return format (s, "%d.%d.%d.%d", a[0], a[1], a[2], a[3]);
1079 format_ip6_address (u8 * s, va_list * args)
1081 ip6_address_t *a = va_arg (*args, ip6_address_t *);
1082 u32 i, i_max_n_zero, max_n_zeros, i_first_zero, n_zeros, last_double_colon;
1084 i_max_n_zero = ARRAY_LEN (a->as_u16);
1086 i_first_zero = i_max_n_zero;
1088 for (i = 0; i < ARRAY_LEN (a->as_u16); i++)
1090 u32 is_zero = a->as_u16[i] == 0;
1091 if (is_zero && i_first_zero >= ARRAY_LEN (a->as_u16))
1097 if ((!is_zero && n_zeros > max_n_zeros)
1098 || (i + 1 >= ARRAY_LEN (a->as_u16) && n_zeros > max_n_zeros))
1100 i_max_n_zero = i_first_zero;
1101 max_n_zeros = n_zeros;
1102 i_first_zero = ARRAY_LEN (a->as_u16);
1107 last_double_colon = 0;
1108 for (i = 0; i < ARRAY_LEN (a->as_u16); i++)
1110 if (i == i_max_n_zero && max_n_zeros > 1)
1112 s = format (s, "::");
1113 i += max_n_zeros - 1;
1114 last_double_colon = 1;
1118 s = format (s, "%s%x",
1119 (last_double_colon || i == 0) ? "" : ":",
1120 clib_net_to_host_u16 (a->as_u16[i]));
1121 last_double_colon = 0;
1128 /* Format an IP46 address. */
1130 format_ip46_address (u8 * s, va_list * args)
1132 ip46_address_t *ip46 = va_arg (*args, ip46_address_t *);
1133 ip46_type_t type = va_arg (*args, ip46_type_t);
1139 is_ip4 = ip46_address_is_ip4 (ip46);
1150 format (s, "%U", format_ip4_address, &ip46->ip4) :
1151 format (s, "%U", format_ip6_address, &ip46->ip6);
1155 server_handle_rx (echo_main_t * em, session_event_t * e)
1157 int n_read, max_dequeue, n_sent;
1158 u32 offset, to_dequeue;
1161 s = pool_elt_at_index (em->sessions, e->fifo->client_session_index);
1163 /* Clear event only once. Otherwise, if we do it in the loop by calling
1164 * app_recv_stream, we may end up with a lot of unhandled rx events on the
1166 svm_fifo_unset_event (s->rx_fifo);
1168 max_dequeue = svm_fifo_max_dequeue (s->rx_fifo);
1169 if (PREDICT_FALSE (!max_dequeue))
1174 /* The options here are to limit ourselves to max_dequeue or read
1175 * even the data that was enqueued while we were dequeueing and which
1176 * now has an rx event in the mq. Either of the two work. */
1177 to_dequeue = clib_min (max_dequeue, vec_len (em->rx_buf));
1178 n_read = app_recv_stream_raw (s->rx_fifo, em->rx_buf, to_dequeue,
1179 0 /* clear evt */ , 0 /* peek */ );
1182 max_dequeue -= n_read;
1183 s->bytes_received += n_read;
1188 /* Reflect if a non-drop session */
1189 if (!em->no_return && n_read > 0)
1194 n_sent = app_send_stream ((app_session_t *) s,
1195 &em->rx_buf[offset],
1196 n_read, SVM_Q_WAIT);
1203 while ((n_sent <= 0 || n_read > 0) && !em->time_to_stop);
1206 while (max_dequeue > 0 && !em->time_to_stop);
1210 server_handle_mq (echo_main_t * em)
1212 svm_msg_q_msg_t msg;
1217 svm_msg_q_sub (em->our_event_queue, &msg, SVM_Q_WAIT, 0);
1218 e = svm_msg_q_msg_data (em->our_event_queue, &msg);
1219 switch (e->event_type)
1221 case FIFO_EVENT_APP_RX:
1222 server_handle_rx (em, e);
1225 handle_mq_event (e);
1228 if (PREDICT_FALSE (em->time_to_stop == 1))
1230 if (PREDICT_FALSE (em->time_to_print_stats == 1))
1232 em->time_to_print_stats = 0;
1233 fformat (stdout, "%d connections\n", pool_elts (em->sessions));
1235 svm_msg_q_free_msg (em->our_event_queue, &msg);
1240 server_send_listen (echo_main_t * em)
1242 vl_api_bind_uri_t *bmp;
1243 bmp = vl_msg_api_alloc (sizeof (*bmp));
1244 clib_memset (bmp, 0, sizeof (*bmp));
1246 bmp->_vl_msg_id = ntohs (VL_API_BIND_URI);
1247 bmp->client_index = em->my_client_index;
1248 bmp->context = ntohl (0xfeedface);
1249 memcpy (bmp->uri, em->uri, vec_len (em->uri));
1250 vl_msg_api_send_shmem (em->vl_input_queue, (u8 *) & bmp);
1254 server_listen (echo_main_t * em)
1256 server_send_listen (em);
1257 if (wait_for_state_change (em, STATE_READY))
1259 clib_warning ("timeout waiting for STATE_READY");
1266 server_send_unbind (echo_main_t * em)
1268 vl_api_unbind_uri_t *ump;
1270 ump = vl_msg_api_alloc (sizeof (*ump));
1271 clib_memset (ump, 0, sizeof (*ump));
1273 ump->_vl_msg_id = ntohs (VL_API_UNBIND_URI);
1274 ump->client_index = em->my_client_index;
1275 memcpy (ump->uri, em->uri, vec_len (em->uri));
1276 vl_msg_api_send_shmem (em->vl_input_queue, (u8 *) & ump);
1280 server_unbind (echo_main_t * em)
1282 server_send_unbind (em);
1283 if (wait_for_state_change (em, STATE_START))
1285 clib_warning ("timeout waiting for STATE_START");
1292 server_run (echo_main_t * em)
1294 echo_session_t *session;
1297 /* $$$$ hack preallocation */
1298 for (i = 0; i < 200000; i++)
1300 pool_get (em->sessions, session);
1301 clib_memset (session, 0, sizeof (*session));
1303 for (i = 0; i < 200000; i++)
1304 pool_put_index (em->sessions, i);
1306 if (application_attach (em))
1310 if (server_listen (em))
1313 /* Enter handle event loop */
1314 server_handle_mq (em);
1317 server_send_unbind (em);
1319 application_detach (em);
1321 fformat (stdout, "Test complete...\n");
1325 vl_api_disconnect_session_reply_t_handler (vl_api_disconnect_session_reply_t *
1328 echo_main_t *em = &echo_main;
1333 clib_warning ("vpp complained about disconnect: %d",
1334 ntohl (mp->retval));
1338 em->state = STATE_START;
1340 p = hash_get (em->session_index_by_vpp_handles, mp->handle);
1343 hash_unset (em->session_index_by_vpp_handles, mp->handle);
1347 clib_warning ("couldn't find session key %llx", mp->handle);
1352 vl_api_application_tls_cert_add_reply_t_handler
1353 (vl_api_application_tls_cert_add_reply_t * mp)
1356 clib_warning ("failed to add tls cert");
1360 vl_api_application_tls_key_add_reply_t_handler
1361 (vl_api_application_tls_key_add_reply_t * mp)
1364 clib_warning ("failed to add tls key");
1367 #define foreach_tcp_echo_msg \
1368 _(BIND_URI_REPLY, bind_uri_reply) \
1369 _(UNBIND_URI_REPLY, unbind_uri_reply) \
1370 _(DISCONNECT_SESSION_REPLY, disconnect_session_reply) \
1371 _(APPLICATION_ATTACH_REPLY, application_attach_reply) \
1372 _(APPLICATION_DETACH_REPLY, application_detach_reply) \
1373 _(MAP_ANOTHER_SEGMENT, map_another_segment) \
1374 _(APPLICATION_TLS_CERT_ADD_REPLY, application_tls_cert_add_reply) \
1375 _(APPLICATION_TLS_KEY_ADD_REPLY, application_tls_key_add_reply) \
1378 tcp_echo_api_hookup (echo_main_t * em)
1381 vl_msg_api_set_handlers(VL_API_##N, #n, \
1382 vl_api_##n##_t_handler, \
1384 vl_api_##n##_t_endian, \
1385 vl_api_##n##_t_print, \
1386 sizeof(vl_api_##n##_t), 1);
1387 foreach_tcp_echo_msg;
1392 main (int argc, char **argv)
1394 int i_am_server = 1, test_return_packets = 0;
1395 echo_main_t *em = &echo_main;
1396 svm_fifo_segment_main_t *sm = &em->segment_main;
1397 unformat_input_t _argv, *a = &_argv;
1400 u8 *bind_uri = (u8 *) "tcp://0.0.0.0/1234";
1401 u8 *connect_uri = (u8 *) "tcp://6.0.1.1/1234";
1402 u64 bytes_to_send = 64 << 10, mbytes;
1406 clib_mem_init_thread_safe (0, 256 << 20);
1408 clib_memset (em, 0, sizeof (*em));
1409 em->session_index_by_vpp_handles = hash_create (0, sizeof (uword));
1410 em->my_pid = getpid ();
1411 em->configured_segment_size = 1 << 20;
1412 em->socket_name = 0;
1413 em->use_sock_api = 1;
1414 em->fifo_size = 64 << 10;
1417 clib_time_init (&em->clib_time);
1418 init_error_string_table (em);
1419 svm_fifo_segment_main_init (sm, HIGH_SEGMENT_BASEVA, 20);
1420 unformat_init_command_line (a, argv);
1422 while (unformat_check_input (a) != UNFORMAT_END_OF_INPUT)
1424 if (unformat (a, "chroot prefix %s", &chroot_prefix))
1426 vl_set_memory_root_path ((char *) chroot_prefix);
1428 else if (unformat (a, "uri %s", &uri))
1430 else if (unformat (a, "segment-size %dM", &tmp))
1431 em->configured_segment_size = tmp << 20;
1432 else if (unformat (a, "segment-size %dG", &tmp))
1433 em->configured_segment_size = tmp << 30;
1434 else if (unformat (a, "server"))
1436 else if (unformat (a, "client"))
1438 else if (unformat (a, "no-return"))
1440 else if (unformat (a, "test"))
1441 test_return_packets = 1;
1442 else if (unformat (a, "mbytes %lld", &mbytes))
1444 bytes_to_send = mbytes << 20;
1446 else if (unformat (a, "gbytes %lld", &mbytes))
1448 bytes_to_send = mbytes << 30;
1450 else if (unformat (a, "socket-name %s", &em->socket_name))
1452 else if (unformat (a, "use-svm-api"))
1453 em->use_sock_api = 0;
1454 else if (unformat (a, "fifo-size %d", &tmp))
1455 em->fifo_size = tmp << 10;
1456 else if (unformat (a, "nclients %d", &em->n_clients))
1460 fformat (stderr, "%s: usage [master|slave]\n", argv[0]);
1465 if (!em->socket_name)
1466 em->socket_name = format (0, "%s%c", API_SOCKET_FILE, 0);
1470 em->uri = format (0, "%s%c", uri, 0);
1471 em->connect_uri = format (0, "%s%c", uri, 0);
1475 em->uri = format (0, "%s%c", bind_uri, 0);
1476 em->connect_uri = format (0, "%s%c", connect_uri, 0);
1479 em->i_am_master = i_am_server;
1480 em->test_return_packets = test_return_packets;
1481 em->bytes_to_send = bytes_to_send;
1482 em->time_to_stop = 0;
1483 vec_validate (em->rx_buf, 4 << 20);
1484 vec_validate (em->client_thread_handles, em->n_clients - 1);
1485 vec_validate (em->thread_args, em->n_clients - 1);
1487 setup_signal_handlers ();
1488 tcp_echo_api_hookup (em);
1490 app_name = i_am_server ? "tcp_echo_server" : "tcp_echo_client";
1491 if (connect_to_vpp (app_name) < 0)
1494 fformat (stderr, "Couldn't connect to vpe, exiting...\n");
1498 if (i_am_server == 0)
1503 /* Make sure detach finishes */
1504 wait_for_state_change (em, STATE_DETACHED);
1506 disconnect_from_vpp (em);
1511 * fd.io coding-style-patch-verification: ON
1514 * eval: (c-set-style "gnu")