2 * Copyright (c) 2019 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 <vlibmemory/api.h>
22 #include <vpp/api/vpe_msg_enum.h>
23 #include <svm/fifo_segment.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 QUIC_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;
71 enum quic_session_type_t
73 QUIC_SESSION_TYPE_QUIC = 0,
74 QUIC_SESSION_TYPE_STREAM = 1,
75 QUIC_SESSION_TYPE_LISTEN = INT32_MAX,
81 svm_queue_t *vl_input_queue;
83 /* API client handle */
86 /* The URI we're playing with */
90 echo_session_t *sessions;
92 /* Hash table for disconnect processing */
93 uword *session_index_by_vpp_handles;
95 /* Hash table for shared segment_names */
96 uword *shared_segment_names;
97 clib_spinlock_t segment_names_lock;
99 /* intermediate rx buffer */
102 /* URI for slave's connect */
105 u32 connected_session_index;
109 /* drop all packets */
112 /* Our event queue */
113 svm_msg_q_t *our_event_queue;
119 /* For deadman timers */
120 clib_time_t clib_time;
122 /* State of the connection, shared between msg RX thread and main thread */
123 volatile connection_state_t state;
125 /* Signal variables */
126 volatile int time_to_stop;
127 volatile int time_to_print_stats;
129 u32 configured_segment_size;
131 /* VNET_API_ERROR_FOO -> "Foo" hash table */
132 uword *error_string_by_error_number;
134 u8 *connect_test_data;
135 pthread_t *client_thread_handles;
137 u32 client_bytes_received;
138 u8 test_return_packets;
150 volatile u32 n_clients_connected;
151 volatile u32 n_active_clients;
154 /** Flag that decides if socket, instead of svm, api is used to connect to
155 * vpp. If sock api is used, shm binary api is subsequently bootstrapped
156 * and all other messages are exchanged using shm IPC. */
160 fifo_segment_main_t segment_main;
163 echo_main_t echo_main;
168 #define NITER 4000000
172 format_api_error (u8 * s, va_list * args)
174 echo_main_t *em = &echo_main;
175 i32 error = va_arg (*args, u32);
178 p = hash_get (em->error_string_by_error_number, -error);
181 s = format (s, "%s", p[0]);
183 s = format (s, "%d", error);
188 init_error_string_table (echo_main_t * em)
190 em->error_string_by_error_number = hash_create (0, sizeof (uword));
192 #define _(n,v,s) hash_set (em->error_string_by_error_number, -v, s);
193 foreach_vnet_api_error;
196 hash_set (em->error_string_by_error_number, 99, "Misc");
199 static void handle_mq_event (session_event_t * e);
208 wait_for_segment_allocation (u64 segment_handle)
210 echo_main_t *em = &echo_main;
212 timeout = clib_time_now (&em->clib_time) + TIMEOUT;
213 uword *segment_present;
214 DBG ("ASKING for %lu", segment_handle);
215 while (clib_time_now (&em->clib_time) < timeout)
217 clib_spinlock_lock (&em->segment_names_lock);
218 segment_present = hash_get (em->shared_segment_names, segment_handle);
219 clib_spinlock_unlock (&em->segment_names_lock);
220 if (segment_present != 0)
222 if (em->time_to_stop == 1)
225 DBG ("timeout waiting for segment_allocation %lu", segment_handle);
230 wait_for_disconnected_sessions (echo_main_t * em)
233 timeout = clib_time_now (&em->clib_time) + TIMEOUT;
234 while (clib_time_now (&em->clib_time) < timeout)
236 if (hash_elts (em->session_index_by_vpp_handles) == 0)
239 DBG ("timeout waiting for disconnected_sessions");
244 wait_for_state_change (echo_main_t * em, connection_state_t state)
249 timeout = clib_time_now (&em->clib_time) + TIMEOUT;
251 while (clib_time_now (&em->clib_time) < timeout)
253 if (em->state == state)
255 if (em->state == STATE_FAILED)
257 if (em->time_to_stop == 1)
259 if (!em->our_event_queue || em->state < STATE_ATTACHED)
262 if (svm_msg_q_sub (em->our_event_queue, &msg, SVM_Q_NOWAIT, 0))
264 e = svm_msg_q_msg_data (em->our_event_queue, &msg);
266 svm_msg_q_free_msg (em->our_event_queue, &msg);
268 clib_warning ("timeout waiting for state %d", state);
273 application_send_attach (echo_main_t * em)
275 vl_api_application_attach_t *bmp;
276 vl_api_application_tls_cert_add_t *cert_mp;
277 vl_api_application_tls_key_add_t *key_mp;
279 bmp = vl_msg_api_alloc (sizeof (*bmp));
280 clib_memset (bmp, 0, sizeof (*bmp));
282 bmp->_vl_msg_id = ntohs (VL_API_APPLICATION_ATTACH);
283 bmp->client_index = em->my_client_index;
284 bmp->context = ntohl (0xfeedface);
285 bmp->options[APP_OPTIONS_FLAGS] = APP_OPTIONS_FLAGS_ACCEPT_REDIRECT;
286 bmp->options[APP_OPTIONS_FLAGS] |= APP_OPTIONS_FLAGS_ADD_SEGMENT;
287 bmp->options[APP_OPTIONS_PREALLOC_FIFO_PAIRS] = 16;
288 bmp->options[APP_OPTIONS_RX_FIFO_SIZE] = em->fifo_size;
289 bmp->options[APP_OPTIONS_TX_FIFO_SIZE] = em->fifo_size;
290 bmp->options[APP_OPTIONS_ADD_SEGMENT_SIZE] = 128 << 20;
291 bmp->options[APP_OPTIONS_SEGMENT_SIZE] = 256 << 20;
292 bmp->options[APP_OPTIONS_EVT_QUEUE_SIZE] = 256;
295 bmp->namespace_id_len = vec_len (em->appns_id);
296 clib_memcpy_fast (bmp->namespace_id, em->appns_id,
297 bmp->namespace_id_len);
298 bmp->options[APP_OPTIONS_FLAGS] |= em->appns_flags;
299 bmp->options[APP_OPTIONS_NAMESPACE_SECRET] = em->appns_secret;
301 vl_msg_api_send_shmem (em->vl_input_queue, (u8 *) & bmp);
303 cert_mp = vl_msg_api_alloc (sizeof (*cert_mp) + test_srv_crt_rsa_len);
304 clib_memset (cert_mp, 0, sizeof (*cert_mp));
305 cert_mp->_vl_msg_id = ntohs (VL_API_APPLICATION_TLS_CERT_ADD);
306 cert_mp->client_index = em->my_client_index;
307 cert_mp->context = ntohl (0xfeedface);
308 cert_mp->cert_len = clib_host_to_net_u16 (test_srv_crt_rsa_len);
309 clib_memcpy_fast (cert_mp->cert, test_srv_crt_rsa, test_srv_crt_rsa_len);
310 vl_msg_api_send_shmem (em->vl_input_queue, (u8 *) & cert_mp);
312 key_mp = vl_msg_api_alloc (sizeof (*key_mp) + test_srv_key_rsa_len);
313 clib_memset (key_mp, 0, sizeof (*key_mp) + test_srv_key_rsa_len);
314 key_mp->_vl_msg_id = ntohs (VL_API_APPLICATION_TLS_KEY_ADD);
315 key_mp->client_index = em->my_client_index;
316 key_mp->context = ntohl (0xfeedface);
317 key_mp->key_len = clib_host_to_net_u16 (test_srv_key_rsa_len);
318 clib_memcpy_fast (key_mp->key, test_srv_key_rsa, test_srv_key_rsa_len);
319 vl_msg_api_send_shmem (em->vl_input_queue, (u8 *) & key_mp);
323 application_attach (echo_main_t * em)
325 application_send_attach (em);
326 if (wait_for_state_change (em, STATE_ATTACHED))
328 clib_warning ("timeout waiting for STATE_ATTACHED");
335 application_detach (echo_main_t * em)
337 vl_api_application_detach_t *bmp;
338 bmp = vl_msg_api_alloc (sizeof (*bmp));
339 clib_memset (bmp, 0, sizeof (*bmp));
341 bmp->_vl_msg_id = ntohs (VL_API_APPLICATION_DETACH);
342 bmp->client_index = em->my_client_index;
343 bmp->context = ntohl (0xfeedface);
344 vl_msg_api_send_shmem (em->vl_input_queue, (u8 *) & bmp);
346 DBG ("%s", "Sent detach");
350 ssvm_segment_attach (char *name, ssvm_segment_type_t type, int fd)
352 fifo_segment_create_args_t _a, *a = &_a;
353 fifo_segment_main_t *sm = &echo_main.segment_main;
356 clib_memset (a, 0, sizeof (*a));
357 a->segment_name = (char *) name;
358 a->segment_type = type;
360 if (type == SSVM_SEGMENT_MEMFD)
363 if ((rv = fifo_segment_attach (sm, a)))
365 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;
380 segment_handle = clib_net_to_host_u64 (mp->segment_handle);
381 DBG ("Attached returned app %u", htons (mp->app_index));
385 clib_warning ("attach failed: %U", format_api_error,
386 clib_net_to_host_u32 (mp->retval));
390 if (mp->segment_name_length == 0)
392 clib_warning ("segment_name_length zero");
396 ASSERT (mp->app_event_queue_address);
397 em->our_event_queue = uword_to_pointer (mp->app_event_queue_address,
402 vec_validate (fds, mp->n_fds);
403 vl_socket_client_recv_fd_msg (fds, mp->n_fds, 5);
405 if (mp->fd_flags & SESSION_FD_F_VPP_MQ_SEGMENT)
406 if (ssvm_segment_attach (0, SSVM_SEGMENT_MEMFD, fds[n_fds++]))
409 if (mp->fd_flags & SESSION_FD_F_MEMFD_SEGMENT)
410 if (ssvm_segment_attach ((char *) mp->segment_name,
411 SSVM_SEGMENT_MEMFD, fds[n_fds++]))
414 if (mp->fd_flags & SESSION_FD_F_MQ_EVENTFD)
415 svm_msg_q_set_consumer_eventfd (em->our_event_queue, fds[n_fds++]);
421 if (ssvm_segment_attach ((char *) mp->segment_name, SSVM_SEGMENT_SHM,
425 DBG ("SETTING for %lu", segment_handle);
426 clib_spinlock_lock (&em->segment_names_lock);
427 hash_set (em->shared_segment_names, segment_handle, 1);
428 clib_spinlock_unlock (&em->segment_names_lock);
430 em->state = STATE_ATTACHED;
433 em->state = STATE_FAILED;
438 vl_api_application_detach_reply_t_handler (vl_api_application_detach_reply_t *
442 clib_warning ("detach returned with err: %d", mp->retval);
443 echo_main.state = STATE_DETACHED;
447 stop_signal (int signum)
449 echo_main_t *um = &echo_main;
450 um->time_to_stop = 1;
454 stats_signal (int signum)
456 echo_main_t *um = &echo_main;
457 um->time_to_print_stats = 1;
460 static clib_error_t *
461 setup_signal_handlers (void)
463 signal (SIGUSR2, stats_signal);
464 signal (SIGINT, stop_signal);
465 signal (SIGQUIT, stop_signal);
466 signal (SIGTERM, stop_signal);
471 vlib_cli_output (struct vlib_main_t *vm, char *fmt, ...)
473 clib_warning ("BUG");
477 connect_to_vpp (char *name)
479 echo_main_t *em = &echo_main;
480 api_main_t *am = &api_main;
482 if (em->use_sock_api)
484 if (vl_socket_client_connect ((char *) em->socket_name, name,
485 0 /* default rx, tx buffer */ ))
487 clib_warning ("socket connect failed");
491 if (vl_socket_client_init_shm (0, 1 /* want_pthread */ ))
493 clib_warning ("init shm api failed");
499 if (vl_client_connect_to_vlib ("/vpe-api", name, 32) < 0)
501 clib_warning ("shmem connect failed");
505 em->vl_input_queue = am->shmem_hdr->vl_input_queue;
506 em->my_client_index = am->my_client_index;
511 disconnect_from_vpp (echo_main_t * em)
513 if (em->use_sock_api)
514 vl_socket_client_disconnect ();
516 vl_client_disconnect_from_vlib ();
520 vl_api_map_another_segment_t_handler (vl_api_map_another_segment_t * mp)
522 fifo_segment_main_t *sm = &echo_main.segment_main;
523 fifo_segment_create_args_t _a, *a = &_a;
524 echo_main_t *em = &echo_main;
528 if (mp->fd_flags & SESSION_FD_F_MEMFD_SEGMENT)
530 vec_validate (fds, 1);
531 vl_socket_client_recv_fd_msg (fds, 1, 5);
532 if (ssvm_segment_attach
533 ((char *) mp->segment_name, SSVM_SEGMENT_MEMFD, fds[0]))
535 ("svm_fifo_segment_attach ('%s') failed on SSVM_SEGMENT_MEMFD",
537 DBG ("SETTING for %lu", mp->segment_name);
538 clib_spinlock_lock (&em->segment_names_lock);
539 hash_set (em->shared_segment_names, mp->segment_name, 1);
540 clib_spinlock_unlock (&em->segment_names_lock);
545 clib_memset (a, 0, sizeof (*a));
546 a->segment_name = (char *) mp->segment_name;
547 a->segment_size = mp->segment_size;
548 /* Attach to the segment vpp created */
549 rv = fifo_segment_attach (sm, a);
552 clib_warning ("svm_fifo_segment_attach ('%s') failed",
556 clib_warning ("Mapped new segment '%s' size %d", mp->segment_name,
558 clib_spinlock_lock (&em->segment_names_lock);
559 hash_set (em->shared_segment_names, mp->segment_name, 1);
560 clib_spinlock_unlock (&em->segment_names_lock);
564 session_print_stats (echo_main_t * em, echo_session_t * session)
569 deltat = clib_time_now (&em->clib_time) - session->start;
570 bytes = em->i_am_master ? session->bytes_received : em->bytes_to_send;
571 fformat (stdout, "Finished in %.6f\n", deltat);
572 fformat (stdout, "%.4f Gbit/second\n", (bytes * 8.0) / deltat / 1e9);
576 test_recv_bytes (echo_main_t * em, echo_session_t * s, u8 * rx_buf,
580 for (i = 0; i < n_read; i++)
582 if (rx_buf[i] != ((s->bytes_received + i) & 0xff)
583 && em->max_test_msg > 0)
585 clib_warning ("error at byte %lld, 0x%x not 0x%x",
586 s->bytes_received + i, rx_buf[i],
587 ((s->bytes_received + i) & 0xff));
589 if (em->max_test_msg == 0)
590 clib_warning ("Too many errors, hiding next ones");
596 recv_data_chunk (echo_main_t * em, echo_session_t * s, u8 * rx_buf)
598 int n_to_read, n_read;
600 n_to_read = svm_fifo_max_dequeue (s->rx_fifo);
606 n_read = app_recv_stream ((app_session_t *) s, rx_buf,
611 if (em->test_return_packets)
612 test_recv_bytes (em, s, rx_buf, n_read);
616 s->bytes_received += n_read;
617 ASSERT (s->bytes_to_receive >= n_read);
618 s->bytes_to_receive -= n_read;
623 while (n_to_read > 0);
627 send_data_chunk (echo_main_t * em, echo_session_t * s)
629 u64 test_buf_len, bytes_this_chunk, test_buf_offset;
630 u8 *test_data = em->connect_test_data;
633 test_buf_len = vec_len (test_data);
634 test_buf_offset = s->bytes_sent % test_buf_len;
635 bytes_this_chunk = clib_min (test_buf_len - test_buf_offset,
638 n_sent = app_send_stream ((app_session_t *) s, test_data + test_buf_offset,
639 bytes_this_chunk, 0);
643 s->bytes_to_send -= n_sent;
644 s->bytes_sent += n_sent;
649 * Rx/Tx polling thread per connection
652 client_thread_fn (void *arg)
654 echo_main_t *em = &echo_main;
655 static u8 *rx_buf = 0;
656 u32 session_index = *(u32 *) arg;
659 vec_validate (rx_buf, 1 << 20);
661 while (!em->time_to_stop && em->state != STATE_READY)
664 s = pool_elt_at_index (em->sessions, session_index);
665 while (!em->time_to_stop)
667 send_data_chunk (em, s);
668 recv_data_chunk (em, s, rx_buf);
669 if (!s->bytes_to_send && !s->bytes_to_receive)
673 DBG ("session %d done send %lu to do, %lu done || recv %lu to do, %lu done",
674 session_index, s->bytes_to_send, s->bytes_sent, s->bytes_to_receive,
676 em->tx_total += s->bytes_sent;
677 em->rx_total += s->bytes_received;
678 em->n_active_clients--;
684 client_send_connect (echo_main_t * em, u8 * uri, u32 opaque)
686 vl_api_connect_uri_t *cmp;
687 cmp = vl_msg_api_alloc (sizeof (*cmp));
688 clib_memset (cmp, 0, sizeof (*cmp));
690 cmp->_vl_msg_id = ntohs (VL_API_CONNECT_URI);
691 cmp->client_index = em->my_client_index;
692 cmp->context = ntohl (opaque);
693 memcpy (cmp->uri, uri, vec_len (uri));
694 vl_msg_api_send_shmem (em->vl_input_queue, (u8 *) & cmp);
698 client_send_disconnect (echo_main_t * em, echo_session_t * s)
700 vl_api_disconnect_session_t *dmp;
701 dmp = vl_msg_api_alloc (sizeof (*dmp));
702 clib_memset (dmp, 0, sizeof (*dmp));
703 dmp->_vl_msg_id = ntohs (VL_API_DISCONNECT_SESSION);
704 dmp->client_index = em->my_client_index;
705 dmp->handle = s->vpp_session_handle;
706 vl_msg_api_send_shmem (em->vl_input_queue, (u8 *) & dmp);
710 client_disconnect (echo_main_t * em, echo_session_t * s)
712 client_send_disconnect (em, s);
713 pool_put (em->sessions, s);
714 clib_memset (s, 0xfe, sizeof (*s));
719 session_bound_handler (session_bound_msg_t * mp)
721 echo_main_t *em = &echo_main;
725 clib_warning ("bind failed: %U", format_api_error,
726 clib_net_to_host_u32 (mp->retval));
727 em->state = STATE_FAILED;
731 clib_warning ("listening on %U:%u", format_ip46_address, mp->lcl_ip,
732 mp->lcl_is_ip4 ? IP46_TYPE_IP4 : IP46_TYPE_IP6,
733 clib_net_to_host_u16 (mp->lcl_port));
734 em->state = STATE_READY;
738 quic_qsession_accepted_handler (session_accepted_msg_t * mp)
740 DBG ("Accept on QSession index %u", mp->handle);
745 session_accepted_handler (session_accepted_msg_t * mp)
747 app_session_evt_t _app_evt, *app_evt = &_app_evt;
748 session_accepted_reply_msg_t *rmp;
749 svm_fifo_t *rx_fifo, *tx_fifo;
750 echo_main_t *em = &echo_main;
751 echo_session_t *session;
752 static f64 start_time;
757 segment_handle = mp->segment_handle;
759 if (start_time == 0.0)
760 start_time = clib_time_now (&em->clib_time);
762 ip_str = format (0, "%U", format_ip46_address, &mp->rmt.ip, mp->rmt.is_ip4);
763 clib_warning ("Accepted session from: %s:%d", ip_str,
764 clib_net_to_host_u16 (mp->rmt.port));
766 /* Allocate local session and set it up */
767 pool_get (em->sessions, session);
768 session_index = session - em->sessions;
769 DBG ("Setting session_index %lu", session_index);
771 if (wait_for_segment_allocation (segment_handle))
773 clib_warning ("timeout waiting for segment allocation %lu",
777 rx_fifo = uword_to_pointer (mp->server_rx_fifo, svm_fifo_t *);
778 rx_fifo->client_session_index = session_index;
779 tx_fifo = uword_to_pointer (mp->server_tx_fifo, svm_fifo_t *);
780 tx_fifo->client_session_index = session_index;
782 session->rx_fifo = rx_fifo;
783 session->tx_fifo = tx_fifo;
784 session->vpp_session_handle = mp->handle;
785 session->vpp_evt_q = uword_to_pointer (mp->vpp_event_queue_address,
788 /* Add it to lookup table */
789 hash_set (em->session_index_by_vpp_handles, mp->handle, session_index);
792 * Send accept reply to vpp
794 app_alloc_ctrl_evt_to_vpp (session->vpp_evt_q, app_evt,
795 SESSION_CTRL_EVT_ACCEPTED_REPLY);
796 rmp = (session_accepted_reply_msg_t *) app_evt->evt->data;
797 rmp->handle = mp->handle;
798 rmp->context = mp->context;
799 app_send_ctrl_evt_to_vpp (session->vpp_evt_q, app_evt);
801 /* TODO : this is very ugly */
802 if (mp->rmt.is_ip4 != 255)
803 return quic_qsession_accepted_handler (mp);
804 DBG ("SSession handle is %lu", mp->handle);
806 em->state = STATE_READY;
809 if (pool_elts (em->sessions) && (pool_elts (em->sessions) % 20000) == 0)
811 f64 now = clib_time_now (&em->clib_time);
812 fformat (stdout, "%d active sessions in %.2f seconds, %.2f/sec...\n",
813 pool_elts (em->sessions), now - start_time,
814 (f64) pool_elts (em->sessions) / (now - start_time));
817 session->bytes_received = 0;
818 session->start = clib_time_now (&em->clib_time);
822 quic_session_connected_handler (session_connected_msg_t * mp)
824 echo_main_t *em = &echo_main;
825 u8 *uri = format (0, "QUIC://session/%lu", mp->handle);
826 DBG ("QSession Connect : %s", uri);
827 client_send_connect (em, uri, QUIC_SESSION_TYPE_STREAM);
831 session_connected_handler (session_connected_msg_t * mp)
833 echo_main_t *em = &echo_main;
834 echo_session_t *session;
836 svm_fifo_t *rx_fifo, *tx_fifo;
839 segment_handle = mp->segment_handle;
843 clib_warning ("connection failed with code: %U", format_api_error,
844 clib_net_to_host_u32 (mp->retval));
845 em->state = STATE_FAILED;
853 pool_get (em->sessions, session);
854 clib_memset (session, 0, sizeof (*session));
855 session_index = session - em->sessions;
856 DBG ("Setting session_index %lu", session_index);
858 if (wait_for_segment_allocation (segment_handle))
860 clib_warning ("timeout waiting for segment allocation %lu",
864 rx_fifo = uword_to_pointer (mp->server_rx_fifo, svm_fifo_t *);
865 rx_fifo->client_session_index = session_index;
866 tx_fifo = uword_to_pointer (mp->server_tx_fifo, svm_fifo_t *);
867 tx_fifo->client_session_index = session_index;
869 session->rx_fifo = rx_fifo;
870 session->tx_fifo = tx_fifo;
871 session->vpp_session_handle = mp->handle;
872 session->start = clib_time_now (&em->clib_time);
873 session->vpp_evt_q = uword_to_pointer (mp->vpp_event_queue_address,
876 hash_set (em->session_index_by_vpp_handles, mp->handle, session_index);
878 if (mp->context == QUIC_SESSION_TYPE_QUIC)
879 return quic_session_connected_handler (mp);
881 DBG ("SSession Connected");
886 em->thread_args[em->n_clients_connected] = session_index;
887 rv = pthread_create (&em->client_thread_handles[em->n_clients_connected],
888 NULL /*attr */ , client_thread_fn,
889 (void *) &em->thread_args[em->n_clients_connected]);
892 clib_warning ("pthread_create returned %d", rv);
896 em->n_clients_connected += 1;
897 clib_warning ("session %u (0x%llx) connected with local ip %U port %d",
898 session_index, mp->handle, format_ip46_address, &mp->lcl.ip,
899 mp->lcl.is_ip4, clib_net_to_host_u16 (mp->lcl.port));
903 session_disconnected_handler (session_disconnected_msg_t * mp)
905 app_session_evt_t _app_evt, *app_evt = &_app_evt;
906 session_disconnected_reply_msg_t *rmp;
907 echo_main_t *em = &echo_main;
908 echo_session_t *session = 0;
911 DBG ("Got a SESSION_CTRL_EVT_DISCONNECTED for session %lu", mp->handle);
913 p = hash_get (em->session_index_by_vpp_handles, mp->handle);
916 clib_warning ("couldn't find session key %llx", mp->handle);
920 session = pool_elt_at_index (em->sessions, p[0]);
921 hash_unset (em->session_index_by_vpp_handles, mp->handle);
923 pool_put (em->sessions, session);
925 app_alloc_ctrl_evt_to_vpp (session->vpp_evt_q, app_evt,
926 SESSION_CTRL_EVT_DISCONNECTED_REPLY);
927 rmp = (session_disconnected_reply_msg_t *) app_evt->evt->data;
929 rmp->handle = mp->handle;
930 rmp->context = mp->context;
931 app_send_ctrl_evt_to_vpp (session->vpp_evt_q, app_evt);
933 session_print_stats (em, session);
937 session_reset_handler (session_reset_msg_t * mp)
939 app_session_evt_t _app_evt, *app_evt = &_app_evt;
940 echo_main_t *em = &echo_main;
941 session_reset_reply_msg_t *rmp;
942 echo_session_t *session = 0;
946 p = hash_get (em->session_index_by_vpp_handles, mp->handle);
950 session = pool_elt_at_index (em->sessions, p[0]);
951 clib_warning ("got reset");
953 em->time_to_stop = 1;
957 clib_warning ("couldn't find session key %llx", mp->handle);
961 app_alloc_ctrl_evt_to_vpp (session->vpp_evt_q, app_evt,
962 SESSION_CTRL_EVT_RESET_REPLY);
963 rmp = (session_reset_reply_msg_t *) app_evt->evt->data;
965 rmp->handle = mp->handle;
966 app_send_ctrl_evt_to_vpp (session->vpp_evt_q, app_evt);
970 handle_mq_event (session_event_t * e)
972 switch (e->event_type)
974 case SESSION_CTRL_EVT_BOUND:
975 DBG ("SESSION_CTRL_EVT_BOUND");
976 session_bound_handler ((session_bound_msg_t *) e->data);
978 case SESSION_CTRL_EVT_ACCEPTED:
979 DBG ("SESSION_CTRL_EVT_ACCEPTED");
980 session_accepted_handler ((session_accepted_msg_t *) e->data);
982 case SESSION_CTRL_EVT_CONNECTED:
983 DBG ("SESSION_CTRL_EVT_CONNECTED");
984 session_connected_handler ((session_connected_msg_t *) e->data);
986 case SESSION_CTRL_EVT_DISCONNECTED:
987 DBG ("SESSION_CTRL_EVT_DISCONNECTED");
988 session_disconnected_handler ((session_disconnected_msg_t *) e->data);
990 case SESSION_CTRL_EVT_RESET:
991 DBG ("SESSION_CTRL_EVT_RESET");
992 session_reset_handler ((session_reset_msg_t *) e->data);
995 clib_warning ("unhandled %u", e->event_type);
1000 clients_run (echo_main_t * em)
1002 f64 start_time, deltat, timeout = 100.0;
1003 svm_msg_q_msg_t msg;
1009 /* Init test data */
1010 vec_validate (em->connect_test_data, 1024 * 1024 - 1);
1011 for (i = 0; i < vec_len (em->connect_test_data); i++)
1012 em->connect_test_data[i] = i & 0xff;
1015 * Attach and connect the clients
1017 if (application_attach (em))
1020 for (i = 0; i < em->n_clients; i++)
1021 client_send_connect (em, em->connect_uri, QUIC_SESSION_TYPE_QUIC);
1023 start_time = clib_time_now (&em->clib_time);
1024 while (em->n_clients_connected < em->n_clients
1025 && (clib_time_now (&em->clib_time) - start_time < timeout)
1026 && em->state != STATE_FAILED && em->time_to_stop != 1)
1029 int rc = svm_msg_q_sub (em->our_event_queue, &msg, SVM_Q_TIMEDWAIT, 1);
1030 if (rc == ETIMEDOUT && em->time_to_stop)
1032 if (rc == ETIMEDOUT)
1034 e = svm_msg_q_msg_data (em->our_event_queue, &msg);
1035 handle_mq_event (e);
1036 svm_msg_q_free_msg (em->our_event_queue, &msg);
1039 if (em->n_clients_connected != em->n_clients)
1041 clib_warning ("failed to initialize all connections");
1046 * Initialize connections
1048 DBG ("Initialize connections on %u clients", em->n_clients);
1051 hash_foreach_pair (p, em->session_index_by_vpp_handles,
1053 s = pool_elt_at_index (em->sessions, p->value[0]);
1054 s->bytes_to_send = em->bytes_to_send;
1056 s->bytes_to_receive = em->bytes_to_send;
1059 em->n_active_clients = em->n_clients_connected;
1062 * Wait for client threads to send the data
1064 DBG ("Waiting for data on %u clients", em->n_active_clients);
1065 start_time = clib_time_now (&em->clib_time);
1066 em->state = STATE_READY;
1067 while (em->n_active_clients)
1068 if (!svm_msg_q_is_empty (em->our_event_queue))
1070 if (svm_msg_q_sub (em->our_event_queue, &msg, SVM_Q_TIMEDWAIT, 0))
1072 clib_warning ("svm msg q returned");
1075 e = svm_msg_q_msg_data (em->our_event_queue, &msg);
1076 if (e->event_type != FIFO_EVENT_APP_RX)
1077 handle_mq_event (e);
1078 svm_msg_q_free_msg (em->our_event_queue, &msg);
1082 hash_foreach_pair (p, em->session_index_by_vpp_handles,
1084 s = pool_elt_at_index (em->sessions, p->value[0]);
1085 DBG ("Sending disconnect on session %lu", p->key);
1086 client_disconnect (em, s);
1093 deltat = clib_time_now (&em->clib_time) - start_time;
1094 fformat (stdout, "%lld bytes (%lld mbytes, %lld gbytes) in %.2f seconds\n",
1095 em->tx_total, em->tx_total / (1ULL << 20),
1096 em->tx_total / (1ULL << 30), deltat);
1097 fformat (stdout, "%.4f Gbit/second\n", (em->tx_total * 8.0) / deltat / 1e9);
1099 wait_for_disconnected_sessions (em);
1100 application_detach (em);
1104 vl_api_bind_uri_reply_t_handler (vl_api_bind_uri_reply_t * mp)
1106 echo_main_t *em = &echo_main;
1110 clib_warning ("bind failed: %U", format_api_error,
1111 clib_net_to_host_u32 (mp->retval));
1112 em->state = STATE_FAILED;
1116 em->state = STATE_READY;
1120 vl_api_unbind_uri_reply_t_handler (vl_api_unbind_uri_reply_t * mp)
1122 echo_main_t *em = &echo_main;
1124 if (mp->retval != 0)
1125 clib_warning ("returned %d", ntohl (mp->retval));
1127 em->state = STATE_START;
1131 format_ip4_address (u8 * s, va_list * args)
1133 u8 *a = va_arg (*args, u8 *);
1134 return format (s, "%d.%d.%d.%d", a[0], a[1], a[2], a[3]);
1138 format_ip6_address (u8 * s, va_list * args)
1140 ip6_address_t *a = va_arg (*args, ip6_address_t *);
1141 u32 i, i_max_n_zero, max_n_zeros, i_first_zero, n_zeros, last_double_colon;
1143 i_max_n_zero = ARRAY_LEN (a->as_u16);
1145 i_first_zero = i_max_n_zero;
1147 for (i = 0; i < ARRAY_LEN (a->as_u16); i++)
1149 u32 is_zero = a->as_u16[i] == 0;
1150 if (is_zero && i_first_zero >= ARRAY_LEN (a->as_u16))
1156 if ((!is_zero && n_zeros > max_n_zeros)
1157 || (i + 1 >= ARRAY_LEN (a->as_u16) && n_zeros > max_n_zeros))
1159 i_max_n_zero = i_first_zero;
1160 max_n_zeros = n_zeros;
1161 i_first_zero = ARRAY_LEN (a->as_u16);
1166 last_double_colon = 0;
1167 for (i = 0; i < ARRAY_LEN (a->as_u16); i++)
1169 if (i == i_max_n_zero && max_n_zeros > 1)
1171 s = format (s, "::");
1172 i += max_n_zeros - 1;
1173 last_double_colon = 1;
1177 s = format (s, "%s%x",
1178 (last_double_colon || i == 0) ? "" : ":",
1179 clib_net_to_host_u16 (a->as_u16[i]));
1180 last_double_colon = 0;
1187 /* Format an IP46 address. */
1189 format_ip46_address (u8 * s, va_list * args)
1191 ip46_address_t *ip46 = va_arg (*args, ip46_address_t *);
1192 ip46_type_t type = va_arg (*args, ip46_type_t);
1198 is_ip4 = ip46_address_is_ip4 (ip46);
1209 format (s, "%U", format_ip4_address, &ip46->ip4) :
1210 format (s, "%U", format_ip6_address, &ip46->ip6);
1214 server_handle_rx (echo_main_t * em, session_event_t * e)
1216 int n_read, max_dequeue, n_sent;
1217 u32 offset, to_dequeue;
1219 s = pool_elt_at_index (em->sessions, e->session_index);
1221 /* Clear event only once. Otherwise, if we do it in the loop by calling
1222 * app_recv_stream, we may end up with a lot of unhandled rx events on the
1224 svm_fifo_unset_event (s->rx_fifo);
1226 max_dequeue = svm_fifo_max_dequeue (s->rx_fifo);
1227 if (PREDICT_FALSE (!max_dequeue))
1231 /* The options here are to limit ourselves to max_dequeue or read
1232 * even the data that was enqueued while we were dequeueing and which
1233 * now has an rx event in the mq. Either of the two work. */
1234 to_dequeue = clib_min (max_dequeue, vec_len (em->rx_buf));
1235 n_read = app_recv_stream_raw (s->rx_fifo, em->rx_buf, to_dequeue,
1236 0 /* clear evt */ , 0 /* peek */ );
1240 if (em->test_return_packets)
1241 test_recv_bytes (em, s, em->rx_buf, n_read);
1243 max_dequeue -= n_read;
1244 s->bytes_received += n_read;
1249 /* Reflect if a non-drop session */
1250 if (!em->no_return && n_read > 0)
1255 n_sent = app_send_stream ((app_session_t *) s,
1256 &em->rx_buf[offset],
1257 n_read, SVM_Q_WAIT);
1264 while ((n_sent <= 0 || n_read > 0) && !em->time_to_stop);
1267 while (max_dequeue > 0 && !em->time_to_stop);
1271 server_handle_mq (echo_main_t * em)
1273 svm_msg_q_msg_t msg;
1278 int rc = svm_msg_q_sub (em->our_event_queue, &msg, SVM_Q_TIMEDWAIT, 1);
1279 if (PREDICT_FALSE (rc == ETIMEDOUT && em->time_to_stop))
1281 if (PREDICT_FALSE (em->time_to_print_stats == 1))
1283 em->time_to_print_stats = 0;
1284 fformat (stdout, "%d connections\n", pool_elts (em->sessions));
1286 if (rc == ETIMEDOUT)
1288 e = svm_msg_q_msg_data (em->our_event_queue, &msg);
1289 switch (e->event_type)
1291 case SESSION_IO_EVT_RX:
1292 DBG ("SESSION_IO_EVT_RX");
1293 server_handle_rx (em, e);
1296 handle_mq_event (e);
1299 svm_msg_q_free_msg (em->our_event_queue, &msg);
1304 server_send_listen (echo_main_t * em)
1306 vl_api_bind_uri_t *bmp;
1307 bmp = vl_msg_api_alloc (sizeof (*bmp));
1308 clib_memset (bmp, 0, sizeof (*bmp));
1310 bmp->_vl_msg_id = ntohs (VL_API_BIND_URI);
1311 bmp->client_index = em->my_client_index;
1312 bmp->context = ntohl (0xfeedface);
1313 memcpy (bmp->uri, em->uri, vec_len (em->uri));
1314 vl_msg_api_send_shmem (em->vl_input_queue, (u8 *) & bmp);
1318 server_listen (echo_main_t * em)
1320 server_send_listen (em);
1321 if (wait_for_state_change (em, STATE_READY))
1323 clib_warning ("timeout waiting for STATE_READY");
1330 server_send_unbind (echo_main_t * em)
1332 vl_api_unbind_uri_t *ump;
1334 ump = vl_msg_api_alloc (sizeof (*ump));
1335 clib_memset (ump, 0, sizeof (*ump));
1337 ump->_vl_msg_id = ntohs (VL_API_UNBIND_URI);
1338 ump->client_index = em->my_client_index;
1339 memcpy (ump->uri, em->uri, vec_len (em->uri));
1340 vl_msg_api_send_shmem (em->vl_input_queue, (u8 *) & ump);
1344 server_run (echo_main_t * em)
1346 echo_session_t *session;
1349 /* $$$$ hack preallocation */
1350 for (i = 0; i < 200000; i++)
1352 pool_get (em->sessions, session);
1353 clib_memset (session, 0, sizeof (*session));
1355 for (i = 0; i < 200000; i++)
1356 pool_put_index (em->sessions, i);
1358 if (application_attach (em))
1362 if (server_listen (em))
1365 /* Enter handle event loop */
1366 server_handle_mq (em);
1369 server_send_unbind (em);
1371 application_detach (em);
1373 fformat (stdout, "Test complete...\n");
1377 vl_api_disconnect_session_reply_t_handler (vl_api_disconnect_session_reply_t *
1380 echo_main_t *em = &echo_main;
1382 DBG ("Got disonnected reply for session %lu", mp->handle);
1386 clib_warning ("vpp complained about disconnect: %d",
1387 ntohl (mp->retval));
1391 em->state = STATE_START;
1393 p = hash_get (em->session_index_by_vpp_handles, mp->handle);
1396 hash_unset (em->session_index_by_vpp_handles, mp->handle);
1400 clib_warning ("couldn't find session key %llx", mp->handle);
1405 vl_api_application_tls_cert_add_reply_t_handler
1406 (vl_api_application_tls_cert_add_reply_t * mp)
1409 clib_warning ("failed to add tls cert");
1413 vl_api_application_tls_key_add_reply_t_handler
1414 (vl_api_application_tls_key_add_reply_t * mp)
1417 clib_warning ("failed to add tls key");
1420 #define foreach_quic_echo_msg \
1421 _(BIND_URI_REPLY, bind_uri_reply) \
1422 _(UNBIND_URI_REPLY, unbind_uri_reply) \
1423 _(DISCONNECT_SESSION_REPLY, disconnect_session_reply) \
1424 _(APPLICATION_ATTACH_REPLY, application_attach_reply) \
1425 _(APPLICATION_DETACH_REPLY, application_detach_reply) \
1426 _(MAP_ANOTHER_SEGMENT, map_another_segment) \
1427 _(APPLICATION_TLS_CERT_ADD_REPLY, application_tls_cert_add_reply) \
1428 _(APPLICATION_TLS_KEY_ADD_REPLY, application_tls_key_add_reply) \
1431 quic_echo_api_hookup (echo_main_t * em)
1434 vl_msg_api_set_handlers(VL_API_##N, #n, \
1435 vl_api_##n##_t_handler, \
1437 vl_api_##n##_t_endian, \
1438 vl_api_##n##_t_print, \
1439 sizeof(vl_api_##n##_t), 1);
1440 foreach_quic_echo_msg;
1445 main (int argc, char **argv)
1447 int i_am_server = 1, test_return_packets = 0;
1448 echo_main_t *em = &echo_main;
1449 fifo_segment_main_t *sm = &em->segment_main;
1450 unformat_input_t _argv, *a = &_argv;
1453 u8 *bind_uri = (u8 *) "quic://0.0.0.0/1234";
1454 u8 *connect_uri = (u8 *) "quic://6.0.1.1/1234";
1455 u64 bytes_to_send = 64 << 10, mbytes;
1459 clib_mem_init_thread_safe (0, 256 << 20);
1461 clib_memset (em, 0, sizeof (*em));
1462 em->session_index_by_vpp_handles = hash_create (0, sizeof (uword));
1463 em->shared_segment_names = hash_create (0, sizeof (uword));
1464 clib_spinlock_init (&em->segment_names_lock);
1465 em->my_pid = getpid ();
1466 em->socket_name = 0;
1467 em->use_sock_api = 1;
1468 em->fifo_size = 64 << 10;
1470 em->max_test_msg = 50;
1471 em->quic_streams = 1;
1473 clib_time_init (&em->clib_time);
1474 init_error_string_table (em);
1475 fifo_segment_main_init (sm, HIGH_SEGMENT_BASEVA, 20);
1476 unformat_init_command_line (a, argv);
1478 while (unformat_check_input (a) != UNFORMAT_END_OF_INPUT)
1480 if (unformat (a, "chroot prefix %s", &chroot_prefix))
1482 vl_set_memory_root_path ((char *) chroot_prefix);
1484 else if (unformat (a, "uri %s", &uri))
1486 else if (unformat (a, "server"))
1488 else if (unformat (a, "client"))
1490 else if (unformat (a, "no-return"))
1492 else if (unformat (a, "test-bytes"))
1493 test_return_packets = 1;
1494 else if (unformat (a, "bytes %lld", &mbytes))
1496 bytes_to_send = mbytes;
1498 else if (unformat (a, "mbytes %lld", &mbytes))
1500 bytes_to_send = mbytes << 20;
1502 else if (unformat (a, "gbytes %lld", &mbytes))
1504 bytes_to_send = mbytes << 30;
1506 else if (unformat (a, "socket-name %s", &em->socket_name))
1508 else if (unformat (a, "use-svm-api"))
1509 em->use_sock_api = 0;
1510 else if (unformat (a, "fifo-size %d", &tmp))
1511 em->fifo_size = tmp << 10;
1512 else if (unformat (a, "nclients %d", &em->n_clients))
1514 else if (unformat (a, "appns %_%v%_", &em->appns_id))
1516 else if (unformat (a, "all-scope"))
1517 em->appns_flags |= (APP_OPTIONS_FLAGS_USE_GLOBAL_SCOPE
1518 | APP_OPTIONS_FLAGS_USE_LOCAL_SCOPE);
1519 else if (unformat (a, "local-scope"))
1520 em->appns_flags = APP_OPTIONS_FLAGS_USE_LOCAL_SCOPE;
1521 else if (unformat (a, "global-scope"))
1522 em->appns_flags = APP_OPTIONS_FLAGS_USE_GLOBAL_SCOPE;
1523 else if (unformat (a, "secret %lu", &em->appns_secret))
1525 else if (unformat (a, "quic-streams %d", &em->quic_streams))
1529 fformat (stderr, "%s: usage [master|slave]\n", argv[0]);
1534 if (!em->socket_name)
1535 em->socket_name = format (0, "%s%c", API_SOCKET_FILE, 0);
1539 em->uri = format (0, "%s%c", uri, 0);
1540 em->connect_uri = format (0, "%s%c", uri, 0);
1544 em->uri = format (0, "%s%c", bind_uri, 0);
1545 em->connect_uri = format (0, "%s%c", connect_uri, 0);
1548 em->i_am_master = i_am_server;
1549 em->test_return_packets = test_return_packets;
1550 em->bytes_to_send = bytes_to_send;
1551 em->time_to_stop = 0;
1552 vec_validate (em->rx_buf, 4 << 20);
1553 vec_validate (em->client_thread_handles, em->n_clients - 1);
1554 vec_validate (em->thread_args, em->n_clients - 1);
1556 setup_signal_handlers ();
1557 quic_echo_api_hookup (em);
1559 app_name = i_am_server ? "quic_echo_server" : "quic_echo_client";
1560 if (connect_to_vpp (app_name) < 0)
1563 fformat (stderr, "Couldn't connect to vpe, exiting...\n");
1567 if (i_am_server == 0)
1572 /* Make sure detach finishes */
1573 wait_for_state_change (em, STATE_DETACHED);
1575 disconnect_from_vpp (em);
1580 * fd.io coding-style-patch-verification: ON
1583 * eval: (c-set-style "gnu")