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 svm_fifo_t *server_rx_fifo;
49 svm_fifo_t *server_tx_fifo;
51 svm_msg_q_t *vpp_evt_q;
53 u64 vpp_session_handle;
56 volatile u64 bytes_received;
57 volatile u64 bytes_to_receive;
75 svm_queue_t *vl_input_queue;
77 /* API client handle */
80 /* The URI we're playing with */
86 /* Hash table for disconnect processing */
87 uword *session_index_by_vpp_handles;
89 /* intermediate rx buffer */
92 /* URI for slave's connect */
95 u32 connected_session_index;
99 /* drop all packets */
102 /* Our event queue */
103 svm_msg_q_t *our_event_queue;
109 /* For deadman timers */
110 clib_time_t clib_time;
112 /* State of the connection, shared between msg RX thread and main thread */
113 volatile connection_state_t state;
115 /* Signal variables */
116 volatile int time_to_stop;
117 volatile int time_to_print_stats;
119 u32 configured_segment_size;
121 /* VNET_API_ERROR_FOO -> "Foo" hash table */
122 uword *error_string_by_error_number;
124 u8 *connect_test_data;
125 pthread_t *client_thread_handles;
127 u32 client_bytes_received;
128 u8 test_return_packets;
136 volatile u32 n_clients_connected;
137 volatile u32 n_active_clients;
140 /** Flag that decides if socket, instead of svm, api is used to connect to
141 * vpp. If sock api is used, shm binary api is subsequently bootstrapped
142 * and all other messages are exchanged using shm IPC. */
145 svm_fifo_segment_main_t segment_main;
148 echo_main_t echo_main;
153 #define NITER 4000000
156 const char test_srv_crt_rsa[] =
157 "-----BEGIN CERTIFICATE-----\r\n"
158 "MIID5zCCAs+gAwIBAgIJALeMYCEHrTtJMA0GCSqGSIb3DQEBCwUAMIGJMQswCQYD\r\n"
159 "VQQGEwJVUzELMAkGA1UECAwCQ0ExETAPBgNVBAcMCFNhbiBKb3NlMQ4wDAYDVQQK\r\n"
160 "DAVDaXNjbzEOMAwGA1UECwwFZmQuaW8xFjAUBgNVBAMMDXRlc3R0bHMuZmQuaW8x\r\n"
161 "IjAgBgkqhkiG9w0BCQEWE3ZwcC1kZXZAbGlzdHMuZmQuaW8wHhcNMTgwMzA1MjEx\r\n"
162 "NTEyWhcNMjgwMzAyMjExNTEyWjCBiTELMAkGA1UEBhMCVVMxCzAJBgNVBAgMAkNB\r\n"
163 "MREwDwYDVQQHDAhTYW4gSm9zZTEOMAwGA1UECgwFQ2lzY28xDjAMBgNVBAsMBWZk\r\n"
164 "LmlvMRYwFAYDVQQDDA10ZXN0dGxzLmZkLmlvMSIwIAYJKoZIhvcNAQkBFhN2cHAt\r\n"
165 "ZGV2QGxpc3RzLmZkLmlvMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA\r\n"
166 "4C1k8a1DuStgggqT4o09fP9sJ2dC54bxhS/Xk2VEfaIZ222WSo4X/syRVfVy9Yah\r\n"
167 "cpI1zJ/RDxaZSFhgA+nPZBrFMsrULkrdAOpOVj8eDEp9JuWdO2ODSoFnCvLxcYWB\r\n"
168 "Yc5kHryJpEaGJl1sFQSesnzMFty/59ta0stk0Fp8r5NhIjWvSovGzPo6Bhz+VS2c\r\n"
169 "ebIZh4x1t2hHaFcgm0qJoJ6DceReWCW8w+yOVovTolGGq+bpb2Hn7MnRSZ2K2NdL\r\n"
170 "+aLXpkZbS/AODP1FF2vTO1mYL290LO7/51vJmPXNKSDYMy5EvILr5/VqtjsFCwRL\r\n"
171 "Q4jcM/+GeHSAFWx4qIv0BwIDAQABo1AwTjAdBgNVHQ4EFgQUWa1SOB37xmT53tZQ\r\n"
172 "aXuLLhRI7U8wHwYDVR0jBBgwFoAUWa1SOB37xmT53tZQaXuLLhRI7U8wDAYDVR0T\r\n"
173 "BAUwAwEB/zANBgkqhkiG9w0BAQsFAAOCAQEAoUht13W4ya27NVzQuCMvqPWL3VM4\r\n"
174 "3xbPFk02FaGz/WupPu276zGlzJAZrbuDcQowwwU1Ni1Yygxl96s1c2M5rHDTrOKG\r\n"
175 "rK0hbkSFBo+i6I8u4HiiQ4rYmG0Hv6+sXn3of0HsbtDPGgWZoipPWDljPYEURu3e\r\n"
176 "3HRe/Dtsj9CakBoSDzs8ndWaBR+f4sM9Tk1cjD46Gq2T/qpSPXqKxEUXlzhdCAn4\r\n"
177 "twub17Bq2kykHpppCwPg5M+v30tHG/R2Go15MeFWbEJthFk3TZMjKL7UFs7fH+x2\r\n"
178 "wSonXb++jY+KmCb93C+soABBizE57g/KmiR2IxQ/LMjDik01RSUIaM0lLA==\r\n"
179 "-----END CERTIFICATE-----\r\n";
180 const u32 test_srv_crt_rsa_len = sizeof (test_srv_crt_rsa);
182 const char test_srv_key_rsa[] =
183 "-----BEGIN PRIVATE KEY-----\r\n"
184 "MIIEvQIBADANBgkqhkiG9w0BAQEFAASCBKcwggSjAgEAAoIBAQDgLWTxrUO5K2CC\r\n"
185 "CpPijT18/2wnZ0LnhvGFL9eTZUR9ohnbbZZKjhf+zJFV9XL1hqFykjXMn9EPFplI\r\n"
186 "WGAD6c9kGsUyytQuSt0A6k5WPx4MSn0m5Z07Y4NKgWcK8vFxhYFhzmQevImkRoYm\r\n"
187 "XWwVBJ6yfMwW3L/n21rSy2TQWnyvk2EiNa9Ki8bM+joGHP5VLZx5shmHjHW3aEdo\r\n"
188 "VyCbSomgnoNx5F5YJbzD7I5Wi9OiUYar5ulvYefsydFJnYrY10v5otemRltL8A4M\r\n"
189 "/UUXa9M7WZgvb3Qs7v/nW8mY9c0pINgzLkS8guvn9Wq2OwULBEtDiNwz/4Z4dIAV\r\n"
190 "bHioi/QHAgMBAAECggEBAMzGipP8+oT166U+NlJXRFifFVN1DvdhG9PWnOxGL+c3\r\n"
191 "ILmBBC08WQzmHshPemBvR6DZkA1H23cV5JTiLWrFtC00CvhXsLRMrE5+uWotI6yE\r\n"
192 "iofybMroHvD6/X5R510UX9hQ6MHu5ShLR5VZ9zXHz5MpTmB/60jG5dLx+jgcwBK8\r\n"
193 "LuGv2YB/WCUwT9QJ3YU2eaingnXtz/MrFbkbltrqlnBdlD+kTtw6Yac9y1XuuQXc\r\n"
194 "BPeulLNDuPolJVWbUvDBZrpt2dXTgz8ws1sv+wCNE0xwQJsqW4Nx3QkpibUL9RUr\r\n"
195 "CVbKlNfa9lopT6nGKlgX69R/uH35yh9AOsfasro6w0ECgYEA82UJ8u/+ORah+0sF\r\n"
196 "Q0FfW5MTdi7OAUHOz16pUsGlaEv0ERrjZxmAkHA/VRwpvDBpx4alCv0Hc39PFLIk\r\n"
197 "nhSsM2BEuBkTAs6/GaoNAiBtQVE/hN7awNRWVmlieS0go3Y3dzaE9IUMyj8sPOFT\r\n"
198 "5JdJ6BM69PHKCkY3dKdnnfpFEuECgYEA68mRpteunF1mdZgXs+WrN+uLlRrQR20F\r\n"
199 "ZyMYiUCH2Dtn26EzA2moy7FipIIrQcX/j+KhYNGM3e7MU4LymIO29E18mn8JODnH\r\n"
200 "sQOXzBTsf8A4yIVMkcuQD3bfb0JiUGYUPOidTp2N7IJA7+6Yc3vQOyb74lnKnJoO\r\n"
201 "gougPT2wS+cCgYAn7muzb6xFsXDhyW0Tm6YJYBfRS9yAWEuVufINobeBZPSl2cN1\r\n"
202 "Jrnw+HlrfTNbrJWuJmjtZJXUXQ6cVp2rUbjutNyRV4vG6iRwEXYQ40EJdkr1gZpi\r\n"
203 "CHQhuShuuPih2MNAy7EEbM+sXrDjTBR3bFqzuHPzu7dp+BshCFX3lRfAAQKBgGQt\r\n"
204 "K5i7IhCFDjb/+3IPLgOAK7mZvsvZ4eXD33TQ2eZgtut1PXtBtNl17/b85uv293Fm\r\n"
205 "VDISVcsk3eLNS8zIiT6afUoWlxAwXEs0v5WRfjl4radkGvgGiJpJYvyeM67877RB\r\n"
206 "EDSKc/X8ESLfOB44iGvZUEMG6zJFscx9DgN25iQZAoGAbyd+JEWwdVH9/K3IH1t2\r\n"
207 "PBkZX17kNWv+iVM1WyFjbe++vfKZCrOJiyiqhDeEqgrP3AuNMlaaduC3VRC3G5oV\r\n"
208 "Mj1tlhDWQ/qhvKdCKNdIVQYDE75nw+FRWV8yYkHAnXYW3tNoweDIwixE0hkPR1bc\r\n"
209 "oEjPLVNtx8SOj/M4rhaPT3I=\r\n" "-----END PRIVATE KEY-----\r\n";
210 const u32 test_srv_key_rsa_len = sizeof (test_srv_key_rsa);
213 format_api_error (u8 * s, va_list * args)
215 echo_main_t *em = &echo_main;
216 i32 error = va_arg (*args, u32);
219 p = hash_get (em->error_string_by_error_number, -error);
222 s = format (s, "%s", p[0]);
224 s = format (s, "%d", error);
229 init_error_string_table (echo_main_t * em)
231 em->error_string_by_error_number = hash_create (0, sizeof (uword));
233 #define _(n,v,s) hash_set (em->error_string_by_error_number, -v, s);
234 foreach_vnet_api_error;
237 hash_set (em->error_string_by_error_number, 99, "Misc");
240 static void handle_mq_event (session_event_t * e);
243 wait_for_state_change (echo_main_t * em, connection_state_t state)
250 #define TIMEOUT 600.0
252 #define TIMEOUT 600.0
255 timeout = clib_time_now (&em->clib_time) + TIMEOUT;
257 while (clib_time_now (&em->clib_time) < timeout)
259 if (em->state == state)
261 if (em->state == STATE_FAILED)
263 if (em->time_to_stop == 1)
265 if (!em->our_event_queue || em->state < STATE_ATTACHED)
268 if (svm_msg_q_sub (em->our_event_queue, &msg, SVM_Q_NOWAIT, 0))
270 e = svm_msg_q_msg_data (em->our_event_queue, &msg);
272 svm_msg_q_free_msg (em->our_event_queue, &msg);
274 clib_warning ("timeout waiting for state %d", state);
279 application_send_attach (echo_main_t * em)
281 vl_api_application_attach_t *bmp;
282 vl_api_application_tls_cert_add_t *cert_mp;
283 vl_api_application_tls_key_add_t *key_mp;
285 bmp = vl_msg_api_alloc (sizeof (*bmp));
286 clib_memset (bmp, 0, sizeof (*bmp));
288 bmp->_vl_msg_id = ntohs (VL_API_APPLICATION_ATTACH);
289 bmp->client_index = em->my_client_index;
290 bmp->context = ntohl (0xfeedface);
291 bmp->options[APP_OPTIONS_FLAGS] = APP_OPTIONS_FLAGS_ACCEPT_REDIRECT;
292 bmp->options[APP_OPTIONS_FLAGS] |= APP_OPTIONS_FLAGS_ADD_SEGMENT;
293 bmp->options[APP_OPTIONS_FLAGS] |= APP_OPTIONS_FLAGS_USE_MQ_FOR_CTRL_MSGS;
294 bmp->options[APP_OPTIONS_PREALLOC_FIFO_PAIRS] = 16;
295 bmp->options[APP_OPTIONS_RX_FIFO_SIZE] = em->fifo_size;
296 bmp->options[APP_OPTIONS_TX_FIFO_SIZE] = em->fifo_size;
297 bmp->options[APP_OPTIONS_ADD_SEGMENT_SIZE] = 128 << 20;
298 bmp->options[APP_OPTIONS_SEGMENT_SIZE] = 256 << 20;
299 bmp->options[APP_OPTIONS_EVT_QUEUE_SIZE] = 256;
300 vl_msg_api_send_shmem (em->vl_input_queue, (u8 *) & bmp);
302 cert_mp = vl_msg_api_alloc (sizeof (*cert_mp) + test_srv_crt_rsa_len);
303 clib_memset (cert_mp, 0, sizeof (*cert_mp));
304 cert_mp->_vl_msg_id = ntohs (VL_API_APPLICATION_TLS_CERT_ADD);
305 cert_mp->client_index = em->my_client_index;
306 cert_mp->context = ntohl (0xfeedface);
307 cert_mp->cert_len = clib_host_to_net_u16 (test_srv_crt_rsa_len);
308 clib_memcpy_fast (cert_mp->cert, test_srv_crt_rsa, test_srv_crt_rsa_len);
309 vl_msg_api_send_shmem (em->vl_input_queue, (u8 *) & cert_mp);
311 key_mp = vl_msg_api_alloc (sizeof (*key_mp) + test_srv_key_rsa_len);
312 clib_memset (key_mp, 0, sizeof (*key_mp) + test_srv_key_rsa_len);
313 key_mp->_vl_msg_id = ntohs (VL_API_APPLICATION_TLS_KEY_ADD);
314 key_mp->client_index = em->my_client_index;
315 key_mp->context = ntohl (0xfeedface);
316 key_mp->key_len = clib_host_to_net_u16 (test_srv_key_rsa_len);
317 clib_memcpy_fast (key_mp->key, test_srv_key_rsa, test_srv_key_rsa_len);
318 vl_msg_api_send_shmem (em->vl_input_queue, (u8 *) & key_mp);
322 application_attach (echo_main_t * em)
324 application_send_attach (em);
325 if (wait_for_state_change (em, STATE_ATTACHED))
327 clib_warning ("timeout waiting for STATE_ATTACHED");
334 application_detach (echo_main_t * em)
336 vl_api_application_detach_t *bmp;
337 bmp = vl_msg_api_alloc (sizeof (*bmp));
338 clib_memset (bmp, 0, sizeof (*bmp));
340 bmp->_vl_msg_id = ntohs (VL_API_APPLICATION_DETACH);
341 bmp->client_index = em->my_client_index;
342 bmp->context = ntohl (0xfeedface);
343 vl_msg_api_send_shmem (em->vl_input_queue, (u8 *) & bmp);
345 DBG ("%s", "Sent detach");
349 ssvm_segment_attach (char *name, ssvm_segment_type_t type, int fd)
351 svm_fifo_segment_create_args_t _a, *a = &_a;
352 svm_fifo_segment_main_t *sm = &echo_main.segment_main;
355 clib_memset (a, 0, sizeof (*a));
356 a->segment_name = (char *) name;
357 a->segment_type = type;
359 if (type == SSVM_SEGMENT_MEMFD)
362 if ((rv = svm_fifo_segment_attach (sm, a)))
364 clib_warning ("svm_fifo_segment_attach ('%s') failed", name);
368 vec_reset_length (a->new_segment_indices);
373 vl_api_application_attach_reply_t_handler (vl_api_application_attach_reply_t *
376 echo_main_t *em = &echo_main;
382 clib_warning ("attach failed: %U", format_api_error,
383 clib_net_to_host_u32 (mp->retval));
387 if (mp->segment_name_length == 0)
389 clib_warning ("segment_name_length zero");
393 ASSERT (mp->app_event_queue_address);
394 em->our_event_queue = uword_to_pointer (mp->app_event_queue_address,
399 vec_validate (fds, mp->n_fds);
400 vl_socket_client_recv_fd_msg (fds, mp->n_fds, 5);
402 if (mp->fd_flags & SESSION_FD_F_VPP_MQ_SEGMENT)
403 if (ssvm_segment_attach (0, SSVM_SEGMENT_MEMFD, fds[n_fds++]))
406 if (mp->fd_flags & SESSION_FD_F_MEMFD_SEGMENT)
407 if (ssvm_segment_attach ((char *) mp->segment_name,
408 SSVM_SEGMENT_MEMFD, fds[n_fds++]))
411 if (mp->fd_flags & SESSION_FD_F_MQ_EVENTFD)
412 svm_msg_q_set_consumer_eventfd (em->our_event_queue, fds[n_fds++]);
418 if (ssvm_segment_attach ((char *) mp->segment_name, SSVM_SEGMENT_SHM,
423 em->state = STATE_ATTACHED;
426 em->state = STATE_FAILED;
431 vl_api_application_detach_reply_t_handler (vl_api_application_detach_reply_t *
435 clib_warning ("detach returned with err: %d", mp->retval);
436 echo_main.state = STATE_DETACHED;
440 stop_signal (int signum)
442 echo_main_t *um = &echo_main;
444 um->time_to_stop = 1;
448 stats_signal (int signum)
450 echo_main_t *um = &echo_main;
452 um->time_to_print_stats = 1;
455 static clib_error_t *
456 setup_signal_handlers (void)
458 signal (SIGINT, stats_signal);
459 signal (SIGQUIT, stop_signal);
460 signal (SIGTERM, stop_signal);
466 vlib_cli_output (struct vlib_main_t *vm, char *fmt, ...)
468 clib_warning ("BUG");
472 connect_to_vpp (char *name)
474 echo_main_t *em = &echo_main;
475 api_main_t *am = &api_main;
477 if (em->use_sock_api)
479 if (vl_socket_client_connect ((char *) em->socket_name, name,
480 0 /* default rx, tx buffer */ ))
482 clib_warning ("socket connect failed");
486 if (vl_socket_client_init_shm (0))
488 clib_warning ("init shm api failed");
494 if (vl_client_connect_to_vlib ("/vpe-api", name, 32) < 0)
496 clib_warning ("shmem connect failed");
500 em->vl_input_queue = am->shmem_hdr->vl_input_queue;
501 em->my_client_index = am->my_client_index;
506 disconnect_from_vpp (echo_main_t * em)
508 if (em->use_sock_api)
509 vl_socket_client_disconnect ();
511 vl_client_disconnect_from_vlib ();
515 vl_api_map_another_segment_t_handler (vl_api_map_another_segment_t * mp)
517 svm_fifo_segment_main_t *sm = &echo_main.segment_main;
518 svm_fifo_segment_create_args_t _a, *a = &_a;
521 clib_memset (a, 0, sizeof (*a));
522 a->segment_name = (char *) mp->segment_name;
523 a->segment_size = mp->segment_size;
524 /* Attach to the segment vpp created */
525 rv = svm_fifo_segment_attach (sm, a);
528 clib_warning ("svm_fifo_segment_attach ('%s') failed",
532 clib_warning ("Mapped new segment '%s' size %d", mp->segment_name,
537 session_print_stats (echo_main_t * em, session_t * session)
542 deltat = clib_time_now (&em->clib_time) - session->start;
543 bytes = em->i_am_master ? session->bytes_received : em->bytes_to_send;
544 fformat (stdout, "Finished in %.6f\n", deltat);
545 fformat (stdout, "%.4f Gbit/second\n", (bytes * 8.0) / deltat / 1e9);
549 test_recv_bytes (session_t * s, u8 * rx_buf, u32 n_read)
552 for (i = 0; i < n_read; i++)
554 if (rx_buf[i] != ((s->bytes_received + i) & 0xff))
556 clib_warning ("error at byte %lld, 0x%x not 0x%x",
557 s->bytes_received + i, rx_buf[i],
558 ((s->bytes_received + i) & 0xff));
564 recv_test_chunk (echo_main_t * em, session_t * s, u8 * rx_buf)
566 svm_fifo_t *rx_fifo = s->server_rx_fifo;
567 u32 n_read_now, n_to_read;
570 n_to_read = svm_fifo_max_dequeue (rx_fifo);
571 svm_fifo_unset_event (rx_fifo);
575 n_read_now = clib_min (vec_len (rx_buf), n_to_read);
576 n_read = svm_fifo_dequeue_nowait (rx_fifo, n_read_now, rx_buf);
580 if (n_read_now != n_read)
581 clib_warning ("huh?");
583 if (em->test_return_packets)
584 test_recv_bytes (s, rx_buf, n_read);
587 s->bytes_received += n_read;
588 s->bytes_to_receive -= n_read;
590 while (n_to_read > 0);
594 client_handle_fifo_event_rx (echo_main_t * em, session_event_t * e,
599 s = pool_elt_at_index (em->sessions, e->fifo->client_session_index);
600 recv_test_chunk (em, s, rx_buf);
604 send_test_chunk (echo_main_t * em, session_t * s)
606 u64 test_buf_len, bytes_this_chunk, test_buf_offset;
607 svm_fifo_t *tx_fifo = s->server_tx_fifo;
608 u8 *test_data = em->connect_test_data;
609 u32 enq_space = 16 << 10;
612 test_buf_len = vec_len (test_data);
613 test_buf_offset = s->bytes_sent % test_buf_len;
614 bytes_this_chunk = clib_min (test_buf_len - test_buf_offset,
616 enq_space = svm_fifo_max_enqueue (tx_fifo);
618 bytes_this_chunk = clib_min (bytes_this_chunk, enq_space);
619 written = svm_fifo_enqueue_nowait (tx_fifo, bytes_this_chunk,
620 test_data + test_buf_offset);
624 s->bytes_to_send -= written;
625 s->bytes_sent += written;
627 if (svm_fifo_set_event (tx_fifo))
628 app_send_io_evt_to_vpp (s->vpp_evt_q, tx_fifo, FIFO_EVENT_APP_TX,
629 0 /* do wait for mutex */ );
634 * Rx/Tx polling thread per connection
637 client_thread_fn (void *arg)
639 echo_main_t *em = &echo_main;
640 static u8 *rx_buf = 0;
641 u32 session_index = *(u32 *) arg;
644 vec_validate (rx_buf, 1 << 20);
646 while (!em->time_to_stop && em->state != STATE_READY)
649 s = pool_elt_at_index (em->sessions, session_index);
650 while (!em->time_to_stop)
652 send_test_chunk (em, s);
653 recv_test_chunk (em, s, rx_buf);
654 if (!s->bytes_to_send && !s->bytes_to_receive)
658 DBG ("session %d done", session_index);
659 em->tx_total += s->bytes_sent;
660 em->rx_total += s->bytes_received;
661 em->n_active_clients--;
667 * Rx thread that handles all connections.
672 client_rx_thread_fn (void *arg)
674 session_event_t _e, *e = &_e;
675 echo_main_t *em = &echo_main;
676 static u8 *rx_buf = 0;
679 vec_validate (rx_buf, 1 << 20);
681 while (!em->time_to_stop && em->state != STATE_READY)
684 while (!em->time_to_stop)
686 svm_msg_q_sub (em->our_event_queue, &msg, SVM_Q_WAIT, 0);
687 e = svm_msg_q_msg_data (em->our_event_queue, &msg);
688 switch (e->event_type)
690 case FIFO_EVENT_APP_RX:
691 client_handle_fifo_event_rx (em, e, rx_buf);
694 clib_warning ("unknown event type %d", e->event_type);
697 svm_msg_q_free_msg (em->our_event_queue, &msg);
703 client_send_connect (echo_main_t * em)
705 vl_api_connect_uri_t *cmp;
706 cmp = vl_msg_api_alloc (sizeof (*cmp));
707 clib_memset (cmp, 0, sizeof (*cmp));
709 cmp->_vl_msg_id = ntohs (VL_API_CONNECT_URI);
710 cmp->client_index = em->my_client_index;
711 cmp->context = ntohl (0xfeedface);
712 memcpy (cmp->uri, em->connect_uri, vec_len (em->connect_uri));
713 vl_msg_api_send_shmem (em->vl_input_queue, (u8 *) & cmp);
717 client_send_disconnect (echo_main_t * em, session_t * s)
719 vl_api_disconnect_session_t *dmp;
720 dmp = vl_msg_api_alloc (sizeof (*dmp));
721 clib_memset (dmp, 0, sizeof (*dmp));
722 dmp->_vl_msg_id = ntohs (VL_API_DISCONNECT_SESSION);
723 dmp->client_index = em->my_client_index;
724 dmp->handle = s->vpp_session_handle;
725 vl_msg_api_send_shmem (em->vl_input_queue, (u8 *) & dmp);
729 client_disconnect (echo_main_t * em, session_t * s)
731 client_send_disconnect (em, s);
732 pool_put (em->sessions, s);
733 clib_memset (s, 0xfe, sizeof (*s));
738 session_accepted_handler (session_accepted_msg_t * mp)
740 app_session_evt_t _app_evt, *app_evt = &_app_evt;
741 session_accepted_reply_msg_t *rmp;
742 svm_fifo_t *rx_fifo, *tx_fifo;
743 echo_main_t *em = &echo_main;
745 static f64 start_time;
749 if (start_time == 0.0)
750 start_time = clib_time_now (&em->clib_time);
752 ip_str = format (0, "%U", format_ip46_address, &mp->ip, mp->is_ip4);
753 clib_warning ("Accepted session from: %s:%d", ip_str,
754 clib_net_to_host_u16 (mp->port));
756 /* Allocate local session and set it up */
757 pool_get (em->sessions, session);
758 session_index = session - em->sessions;
760 rx_fifo = uword_to_pointer (mp->server_rx_fifo, svm_fifo_t *);
761 rx_fifo->client_session_index = session_index;
762 tx_fifo = uword_to_pointer (mp->server_tx_fifo, svm_fifo_t *);
763 tx_fifo->client_session_index = session_index;
765 session->server_rx_fifo = rx_fifo;
766 session->server_tx_fifo = tx_fifo;
767 session->vpp_evt_q = uword_to_pointer (mp->vpp_event_queue_address,
770 /* Add it to lookup table */
771 hash_set (em->session_index_by_vpp_handles, mp->handle, session_index);
773 em->state = STATE_READY;
776 if (pool_elts (em->sessions) && (pool_elts (em->sessions) % 20000) == 0)
778 f64 now = clib_time_now (&em->clib_time);
779 fformat (stdout, "%d active sessions in %.2f seconds, %.2f/sec...\n",
780 pool_elts (em->sessions), now - start_time,
781 (f64) pool_elts (em->sessions) / (now - start_time));
785 * Send accept reply to vpp
787 app_alloc_ctrl_evt_to_vpp (session->vpp_evt_q, app_evt,
788 SESSION_CTRL_EVT_ACCEPTED_REPLY);
789 rmp = (session_accepted_reply_msg_t *) app_evt->evt->data;
790 rmp->handle = mp->handle;
791 rmp->context = mp->context;
792 app_send_ctrl_evt_to_vpp (session->vpp_evt_q, app_evt);
794 session->bytes_received = 0;
795 session->start = clib_time_now (&em->clib_time);
799 session_connected_handler (session_connected_msg_t * mp)
801 echo_main_t *em = &echo_main;
804 svm_fifo_t *rx_fifo, *tx_fifo;
809 clib_warning ("connection failed with code: %U", format_api_error,
810 clib_net_to_host_u32 (mp->retval));
811 em->state = STATE_FAILED;
819 pool_get (em->sessions, session);
820 clib_memset (session, 0, sizeof (*session));
821 session_index = session - em->sessions;
823 rx_fifo = uword_to_pointer (mp->server_rx_fifo, svm_fifo_t *);
824 rx_fifo->client_session_index = session_index;
825 tx_fifo = uword_to_pointer (mp->server_tx_fifo, svm_fifo_t *);
826 tx_fifo->client_session_index = session_index;
828 session->server_rx_fifo = rx_fifo;
829 session->server_tx_fifo = tx_fifo;
830 session->vpp_session_handle = mp->handle;
831 session->start = clib_time_now (&em->clib_time);
832 session->vpp_evt_q = uword_to_pointer (mp->vpp_event_queue_address,
835 hash_set (em->session_index_by_vpp_handles, mp->handle, session_index);
840 em->thread_args[em->n_clients_connected] = session_index;
841 rv = pthread_create (&em->client_thread_handles[em->n_clients_connected],
842 NULL /*attr */ , client_thread_fn,
843 (void *) &em->thread_args[em->n_clients_connected]);
846 clib_warning ("pthread_create returned %d", rv);
850 em->n_clients_connected += 1;
851 clib_warning ("session %u (0x%llx) connected with local ip %U port %d",
852 session_index, mp->handle, format_ip46_address, mp->lcl_ip,
853 mp->is_ip4, clib_net_to_host_u16 (mp->lcl_port));
857 session_disconnected_handler (session_disconnected_msg_t * mp)
859 app_session_evt_t _app_evt, *app_evt = &_app_evt;
860 session_disconnected_reply_msg_t *rmp;
861 echo_main_t *em = &echo_main;
862 session_t *session = 0;
866 p = hash_get (em->session_index_by_vpp_handles, mp->handle);
869 clib_warning ("couldn't find session key %llx", mp->handle);
873 session = pool_elt_at_index (em->sessions, p[0]);
874 hash_unset (em->session_index_by_vpp_handles, mp->handle);
875 pool_put (em->sessions, session);
877 app_alloc_ctrl_evt_to_vpp (session->vpp_evt_q, app_evt,
878 SESSION_CTRL_EVT_DISCONNECTED_REPLY);
879 rmp = (session_disconnected_reply_msg_t *) app_evt->evt->data;
881 rmp->handle = mp->handle;
882 rmp->context = mp->context;
883 app_send_ctrl_evt_to_vpp (session->vpp_evt_q, app_evt);
885 session_print_stats (em, session);
889 session_reset_handler (session_reset_msg_t * mp)
891 app_session_evt_t _app_evt, *app_evt = &_app_evt;
892 echo_main_t *em = &echo_main;
893 session_reset_reply_msg_t *rmp;
894 session_t *session = 0;
898 p = hash_get (em->session_index_by_vpp_handles, mp->handle);
902 session = pool_elt_at_index (em->sessions, p[0]);
903 clib_warning ("got reset");
905 em->time_to_stop = 1;
909 clib_warning ("couldn't find session key %llx", mp->handle);
913 app_alloc_ctrl_evt_to_vpp (session->vpp_evt_q, app_evt,
914 SESSION_CTRL_EVT_RESET_REPLY);
915 rmp = (session_reset_reply_msg_t *) app_evt->evt->data;
917 rmp->handle = mp->handle;
918 app_send_ctrl_evt_to_vpp (session->vpp_evt_q, app_evt);
922 handle_mq_event (session_event_t * e)
924 switch (e->event_type)
926 case SESSION_CTRL_EVT_ACCEPTED:
927 session_accepted_handler ((session_accepted_msg_t *) e->data);
929 case SESSION_CTRL_EVT_CONNECTED:
930 session_connected_handler ((session_connected_msg_t *) e->data);
932 case SESSION_CTRL_EVT_DISCONNECTED:
933 session_disconnected_handler ((session_disconnected_msg_t *) e->data);
935 case SESSION_CTRL_EVT_RESET:
936 session_reset_handler ((session_reset_msg_t *) e->data);
939 clib_warning ("unhandled %u", e->event_type);
944 clients_run (echo_main_t * em)
946 f64 start_time, deltat, timeout = 100.0;
953 vec_validate (em->connect_test_data, 1024 * 1024 - 1);
954 for (i = 0; i < vec_len (em->connect_test_data); i++)
955 em->connect_test_data[i] = i & 0xff;
958 * Attach and connect the clients
960 if (application_attach (em))
963 for (i = 0; i < em->n_clients; i++)
964 client_send_connect (em);
966 start_time = clib_time_now (&em->clib_time);
967 while (em->n_clients_connected < em->n_clients
968 && (clib_time_now (&em->clib_time) - start_time < timeout)
969 && em->state != STATE_FAILED)
972 svm_msg_q_sub (em->our_event_queue, &msg, SVM_Q_WAIT, 0);
973 e = svm_msg_q_msg_data (em->our_event_queue, &msg);
975 svm_msg_q_free_msg (em->our_event_queue, &msg);
978 if (em->n_clients_connected != em->n_clients)
980 clib_warning ("failed to initialize all connections");
985 * Initialize connections
987 for (i = 0; i < em->n_clients; i++)
989 s = pool_elt_at_index (em->sessions, i);
990 s->bytes_to_send = em->bytes_to_send;
992 s->bytes_to_receive = em->bytes_to_send;
994 em->n_active_clients = em->n_clients_connected;
997 * Wait for client threads to send the data
999 start_time = clib_time_now (&em->clib_time);
1000 em->state = STATE_READY;
1001 while (em->n_active_clients)
1002 if (!svm_msg_q_is_empty (em->our_event_queue))
1004 if (svm_msg_q_sub (em->our_event_queue, &msg, SVM_Q_WAIT, 0))
1006 clib_warning ("svm msg q returned");
1009 e = svm_msg_q_msg_data (em->our_event_queue, &msg);
1010 if (e->event_type != FIFO_EVENT_APP_RX)
1011 handle_mq_event (e);
1012 svm_msg_q_free_msg (em->our_event_queue, &msg);
1015 for (i = 0; i < em->n_clients; i++)
1017 s = pool_elt_at_index (em->sessions, i);
1018 client_disconnect (em, s);
1024 deltat = clib_time_now (&em->clib_time) - start_time;
1025 fformat (stdout, "%lld bytes (%lld mbytes, %lld gbytes) in %.2f seconds\n",
1026 em->tx_total, em->tx_total / (1ULL << 20),
1027 em->tx_total / (1ULL << 30), deltat);
1028 fformat (stdout, "%.4f Gbit/second\n", (em->tx_total * 8.0) / deltat / 1e9);
1030 application_detach (em);
1034 vl_api_bind_uri_reply_t_handler (vl_api_bind_uri_reply_t * mp)
1036 echo_main_t *em = &echo_main;
1040 clib_warning ("bind failed: %U", format_api_error,
1041 clib_net_to_host_u32 (mp->retval));
1042 em->state = STATE_FAILED;
1046 em->state = STATE_READY;
1050 vl_api_unbind_uri_reply_t_handler (vl_api_unbind_uri_reply_t * mp)
1052 echo_main_t *em = &echo_main;
1054 if (mp->retval != 0)
1055 clib_warning ("returned %d", ntohl (mp->retval));
1057 em->state = STATE_START;
1061 format_ip4_address (u8 * s, va_list * args)
1063 u8 *a = va_arg (*args, u8 *);
1064 return format (s, "%d.%d.%d.%d", a[0], a[1], a[2], a[3]);
1068 format_ip6_address (u8 * s, va_list * args)
1070 ip6_address_t *a = va_arg (*args, ip6_address_t *);
1071 u32 i, i_max_n_zero, max_n_zeros, i_first_zero, n_zeros, last_double_colon;
1073 i_max_n_zero = ARRAY_LEN (a->as_u16);
1075 i_first_zero = i_max_n_zero;
1077 for (i = 0; i < ARRAY_LEN (a->as_u16); i++)
1079 u32 is_zero = a->as_u16[i] == 0;
1080 if (is_zero && i_first_zero >= ARRAY_LEN (a->as_u16))
1086 if ((!is_zero && n_zeros > max_n_zeros)
1087 || (i + 1 >= ARRAY_LEN (a->as_u16) && n_zeros > max_n_zeros))
1089 i_max_n_zero = i_first_zero;
1090 max_n_zeros = n_zeros;
1091 i_first_zero = ARRAY_LEN (a->as_u16);
1096 last_double_colon = 0;
1097 for (i = 0; i < ARRAY_LEN (a->as_u16); i++)
1099 if (i == i_max_n_zero && max_n_zeros > 1)
1101 s = format (s, "::");
1102 i += max_n_zeros - 1;
1103 last_double_colon = 1;
1107 s = format (s, "%s%x",
1108 (last_double_colon || i == 0) ? "" : ":",
1109 clib_net_to_host_u16 (a->as_u16[i]));
1110 last_double_colon = 0;
1117 /* Format an IP46 address. */
1119 format_ip46_address (u8 * s, va_list * args)
1121 ip46_address_t *ip46 = va_arg (*args, ip46_address_t *);
1122 ip46_type_t type = va_arg (*args, ip46_type_t);
1128 is_ip4 = ip46_address_is_ip4 (ip46);
1139 format (s, "%U", format_ip4_address, &ip46->ip4) :
1140 format (s, "%U", format_ip6_address, &ip46->ip6);
1144 server_handle_fifo_event_rx (echo_main_t * em, session_event_t * e)
1146 svm_fifo_t *rx_fifo, *tx_fifo;
1150 u32 max_dequeue, offset, max_transfer, rx_buf_len;
1152 rx_buf_len = vec_len (em->rx_buf);
1154 session = pool_elt_at_index (em->sessions, rx_fifo->client_session_index);
1155 tx_fifo = session->server_tx_fifo;
1157 max_dequeue = svm_fifo_max_dequeue (rx_fifo);
1158 /* Allow enqueuing of a new event */
1159 svm_fifo_unset_event (rx_fifo);
1161 if (PREDICT_FALSE (!max_dequeue))
1164 /* Read the max_dequeue */
1167 max_transfer = clib_min (rx_buf_len, max_dequeue);
1168 n_read = svm_fifo_dequeue_nowait (rx_fifo, max_transfer, em->rx_buf);
1171 max_dequeue -= n_read;
1172 session->bytes_received += n_read;
1173 session->bytes_to_receive -= n_read;
1176 /* Reflect if a non-drop session */
1177 if (!em->no_return && n_read > 0)
1182 rv = svm_fifo_enqueue_nowait (tx_fifo, n_read,
1183 &em->rx_buf[offset]);
1190 while ((rv <= 0 || n_read > 0) && !em->time_to_stop);
1192 /* If event wasn't set, add one */
1193 if (svm_fifo_set_event (tx_fifo))
1194 app_send_io_evt_to_vpp (session->vpp_evt_q, tx_fifo,
1195 FIFO_EVENT_APP_TX, SVM_Q_WAIT);
1198 while ((n_read < 0 || max_dequeue > 0) && !em->time_to_stop);
1202 server_handle_event_queue (echo_main_t * em)
1204 svm_msg_q_msg_t msg;
1209 svm_msg_q_sub (em->our_event_queue, &msg, SVM_Q_WAIT, 0);
1210 e = svm_msg_q_msg_data (em->our_event_queue, &msg);
1211 switch (e->event_type)
1213 case FIFO_EVENT_APP_RX:
1214 server_handle_fifo_event_rx (em, e);
1217 handle_mq_event (e);
1220 if (PREDICT_FALSE (em->time_to_stop == 1))
1222 if (PREDICT_FALSE (em->time_to_print_stats == 1))
1224 em->time_to_print_stats = 0;
1225 fformat (stdout, "%d connections\n", pool_elts (em->sessions));
1227 svm_msg_q_free_msg (em->our_event_queue, &msg);
1232 server_send_listen (echo_main_t * em)
1234 vl_api_bind_uri_t *bmp;
1235 bmp = vl_msg_api_alloc (sizeof (*bmp));
1236 clib_memset (bmp, 0, sizeof (*bmp));
1238 bmp->_vl_msg_id = ntohs (VL_API_BIND_URI);
1239 bmp->client_index = em->my_client_index;
1240 bmp->context = ntohl (0xfeedface);
1241 memcpy (bmp->uri, em->uri, vec_len (em->uri));
1242 vl_msg_api_send_shmem (em->vl_input_queue, (u8 *) & bmp);
1246 server_listen (echo_main_t * em)
1248 server_send_listen (em);
1249 if (wait_for_state_change (em, STATE_READY))
1251 clib_warning ("timeout waiting for STATE_READY");
1258 server_send_unbind (echo_main_t * em)
1260 vl_api_unbind_uri_t *ump;
1262 ump = vl_msg_api_alloc (sizeof (*ump));
1263 clib_memset (ump, 0, sizeof (*ump));
1265 ump->_vl_msg_id = ntohs (VL_API_UNBIND_URI);
1266 ump->client_index = em->my_client_index;
1267 memcpy (ump->uri, em->uri, vec_len (em->uri));
1268 vl_msg_api_send_shmem (em->vl_input_queue, (u8 *) & ump);
1272 server_unbind (echo_main_t * em)
1274 server_send_unbind (em);
1275 if (wait_for_state_change (em, STATE_START))
1277 clib_warning ("timeout waiting for STATE_START");
1284 server_run (echo_main_t * em)
1289 /* $$$$ hack preallocation */
1290 for (i = 0; i < 200000; i++)
1292 pool_get (em->sessions, session);
1293 clib_memset (session, 0, sizeof (*session));
1295 for (i = 0; i < 200000; i++)
1296 pool_put_index (em->sessions, i);
1298 if (application_attach (em))
1302 if (server_listen (em))
1305 /* Enter handle event loop */
1306 server_handle_event_queue (em);
1309 server_send_unbind (em);
1311 application_detach (em);
1313 fformat (stdout, "Test complete...\n");
1317 vl_api_disconnect_session_reply_t_handler (vl_api_disconnect_session_reply_t *
1320 echo_main_t *em = &echo_main;
1325 clib_warning ("vpp complained about disconnect: %d",
1326 ntohl (mp->retval));
1330 em->state = STATE_START;
1332 p = hash_get (em->session_index_by_vpp_handles, mp->handle);
1335 hash_unset (em->session_index_by_vpp_handles, mp->handle);
1339 clib_warning ("couldn't find session key %llx", mp->handle);
1344 vl_api_application_tls_cert_add_reply_t_handler
1345 (vl_api_application_tls_cert_add_reply_t * mp)
1348 clib_warning ("failed to add tls cert");
1352 vl_api_application_tls_key_add_reply_t_handler
1353 (vl_api_application_tls_key_add_reply_t * mp)
1356 clib_warning ("failed to add tls key");
1359 #define foreach_tcp_echo_msg \
1360 _(BIND_URI_REPLY, bind_uri_reply) \
1361 _(UNBIND_URI_REPLY, unbind_uri_reply) \
1362 _(DISCONNECT_SESSION_REPLY, disconnect_session_reply) \
1363 _(APPLICATION_ATTACH_REPLY, application_attach_reply) \
1364 _(APPLICATION_DETACH_REPLY, application_detach_reply) \
1365 _(MAP_ANOTHER_SEGMENT, map_another_segment) \
1366 _(APPLICATION_TLS_CERT_ADD_REPLY, application_tls_cert_add_reply) \
1367 _(APPLICATION_TLS_KEY_ADD_REPLY, application_tls_key_add_reply) \
1370 tcp_echo_api_hookup (echo_main_t * em)
1373 vl_msg_api_set_handlers(VL_API_##N, #n, \
1374 vl_api_##n##_t_handler, \
1376 vl_api_##n##_t_endian, \
1377 vl_api_##n##_t_print, \
1378 sizeof(vl_api_##n##_t), 1);
1379 foreach_tcp_echo_msg;
1384 main (int argc, char **argv)
1386 int i_am_server = 1, test_return_packets = 0;
1387 echo_main_t *em = &echo_main;
1388 svm_fifo_segment_main_t *sm = &em->segment_main;
1389 unformat_input_t _argv, *a = &_argv;
1392 u8 *bind_uri = (u8 *) "tcp://0.0.0.0/1234";
1393 u8 *connect_uri = (u8 *) "tcp://6.0.1.1/1234";
1394 u64 bytes_to_send = 64 << 10, mbytes;
1398 clib_mem_init_thread_safe (0, 256 << 20);
1400 clib_memset (em, 0, sizeof (*em));
1401 em->session_index_by_vpp_handles = hash_create (0, sizeof (uword));
1402 em->my_pid = getpid ();
1403 em->configured_segment_size = 1 << 20;
1404 em->socket_name = 0;
1405 em->use_sock_api = 1;
1406 em->fifo_size = 64 << 10;
1409 clib_time_init (&em->clib_time);
1410 init_error_string_table (em);
1411 svm_fifo_segment_main_init (sm, HIGH_SEGMENT_BASEVA, 20);
1412 unformat_init_command_line (a, argv);
1414 while (unformat_check_input (a) != UNFORMAT_END_OF_INPUT)
1416 if (unformat (a, "chroot prefix %s", &chroot_prefix))
1418 vl_set_memory_root_path ((char *) chroot_prefix);
1420 else if (unformat (a, "uri %s", &uri))
1422 else if (unformat (a, "segment-size %dM", &tmp))
1423 em->configured_segment_size = tmp << 20;
1424 else if (unformat (a, "segment-size %dG", &tmp))
1425 em->configured_segment_size = tmp << 30;
1426 else if (unformat (a, "server"))
1428 else if (unformat (a, "client"))
1430 else if (unformat (a, "no-return"))
1432 else if (unformat (a, "test"))
1433 test_return_packets = 1;
1434 else if (unformat (a, "mbytes %lld", &mbytes))
1436 bytes_to_send = mbytes << 20;
1438 else if (unformat (a, "gbytes %lld", &mbytes))
1440 bytes_to_send = mbytes << 30;
1442 else if (unformat (a, "socket-name %s", &em->socket_name))
1444 else if (unformat (a, "use-svm-api"))
1445 em->use_sock_api = 0;
1446 else if (unformat (a, "fifo-size %d", &tmp))
1447 em->fifo_size = tmp << 10;
1448 else if (unformat (a, "nclients %d", &em->n_clients))
1452 fformat (stderr, "%s: usage [master|slave]\n", argv[0]);
1457 if (!em->socket_name)
1458 em->socket_name = format (0, "%s%c", API_SOCKET_FILE, 0);
1462 em->uri = format (0, "%s%c", uri, 0);
1463 em->connect_uri = format (0, "%s%c", uri, 0);
1467 em->uri = format (0, "%s%c", bind_uri, 0);
1468 em->connect_uri = format (0, "%s%c", connect_uri, 0);
1471 em->i_am_master = i_am_server;
1472 em->test_return_packets = test_return_packets;
1473 em->bytes_to_send = bytes_to_send;
1474 em->time_to_stop = 0;
1475 vec_validate (em->rx_buf, 128 << 10);
1476 vec_validate (em->client_thread_handles, em->n_clients - 1);
1477 vec_validate (em->thread_args, em->n_clients - 1);
1479 setup_signal_handlers ();
1480 tcp_echo_api_hookup (em);
1482 app_name = i_am_server ? "tcp_echo_server" : "tcp_echo_client";
1483 if (connect_to_vpp (app_name) < 0)
1486 fformat (stderr, "Couldn't connect to vpe, exiting...\n");
1490 if (i_am_server == 0)
1495 /* Make sure detach finishes */
1496 wait_for_state_change (em, STATE_DETACHED);
1498 disconnect_from_vpp (em);
1503 * fd.io coding-style-patch-verification: ON
1506 * eval: (c-set-style "gnu")