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 SESSION_INVALID_INDEX ((u32)~0)
42 #define SESSION_INVALID_HANDLE ((u64)~0)
44 #define QUIC_ECHO_DBG 0
45 #define DBG(_fmt, _args...) \
47 clib_warning (_fmt, ##_args)
49 #define CHECK(expected, result, _fmt, _args...) \
50 if (expected != result) \
51 ECHO_FAIL ("expected %d, got %d : " _fmt, expected, result, ##_args);
53 #define ECHO_FAIL(_fmt,_args...) \
55 echo_main_t *em = &echo_main; \
57 em->time_to_stop = 1; \
58 clib_warning ("ECHO-ERROR: "_fmt, ##_args); \
63 SESSION_FLAG_NOFLAG = 0,
64 SESSION_FLAG_SHOULD_CLOSE = 1,
65 SESSION_FLAG_SHOULD_FREE = 2,
66 } echo_session_flag_t;
70 CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
71 #define _(type, name) type name;
72 foreach_app_session_field
74 u64 vpp_session_handle;
77 volatile u64 bytes_received;
78 volatile u64 bytes_to_receive;
80 u32 listener_index; /* listener index in echo session pool */
81 volatile u64 accepted_session_count; /* sessions we accepted */
82 volatile echo_session_flag_t flags;
88 ECHO_TEST_DATA_SOURCE,
90 ECHO_INVALID_DATA_SOURCE
93 enum quic_session_type_t
95 QUIC_SESSION_TYPE_QUIC,
96 QUIC_SESSION_TYPE_STREAM,
97 QUIC_SESSION_TYPE_LISTEN,
109 } connection_state_t;
113 ECHO_EVT_START, /* app starts */
114 ECHO_EVT_FIRST_QCONNECT, /* First connect Quic session sent */
115 ECHO_EVT_LAST_QCONNECTED, /* All Quic session are connected */
116 ECHO_EVT_FIRST_SCONNECT, /* First connect Stream session sent */
117 ECHO_EVT_LAST_SCONNECTED, /* All Stream session are connected */
118 ECHO_EVT_LAST_BYTE, /* Last byte received */
119 ECHO_EVT_EXIT, /* app exits */
122 typedef struct _quic_echo_cb_vft
124 void (*quic_connected_cb) (session_connected_msg_t * mp, u32 session_index);
125 void (*client_stream_connected_cb) (session_connected_msg_t * mp,
127 void (*server_stream_connected_cb) (session_connected_msg_t * mp,
129 void (*quic_accepted_cb) (session_accepted_msg_t * mp, u32 session_index);
130 void (*client_stream_accepted_cb) (session_accepted_msg_t * mp,
132 void (*server_stream_accepted_cb) (session_accepted_msg_t * mp,
134 } quic_echo_cb_vft_t;
139 RETURN_PACKETS_NOTEST,
140 RETURN_PACKETS_LOG_WRONG,
141 RETURN_PACKETS_ASSERT,
142 } test_return_packets_t;
146 /* vpe input queue */
147 svm_queue_t *vl_input_queue;
149 /* API client handle */
152 /* The URI we're playing with */
156 echo_session_t *sessions;
158 /* Hash table for disconnect processing */
159 uword *session_index_by_vpp_handles;
160 /* Index of vpp listener session */
161 u32 listen_session_index;
163 /* Hash table for shared segment_names */
164 uword *shared_segment_handles;
165 clib_spinlock_t segment_handles_lock;
169 /* Our event queue */
170 svm_msg_q_t *our_event_queue;
176 /* For deadman timers */
177 clib_time_t clib_time;
179 /* State of the connection, shared between msg RX thread and main thread */
180 volatile connection_state_t state;
182 /* Signal variables */
183 volatile u8 time_to_stop;
186 /* VNET_API_ERROR_FOO -> "Foo" hash table */
187 uword *error_string_by_error_number;
189 u8 *connect_test_data;
190 u8 test_return_packets;
192 u64 bytes_to_receive;
196 data_source_t data_source;
197 u8 send_disconnects; /* actively send disconnect */
203 pthread_t *client_thread_handles;
205 u32 n_clients; /* Target number of QUIC sessions */
206 u32 n_stream_clients; /* Target Number of STREAM sessions per QUIC session */
207 volatile u32 n_quic_clients_connected; /* Number of connected QUIC sessions */
208 volatile u32 n_clients_connected; /* Number of STREAM sessions connected */
213 /* Event based timing : start & end depend on CLI specified events */
214 u8 first_sconnect_sent; /* Sent the first Stream session connect ? */
217 u8 timing_start_event;
220 /* cb vft for QUIC scenarios */
221 quic_echo_cb_vft_t cb_vft;
223 /** Flag that decides if socket, instead of svm, api is used to connect to
224 * vpp. If sock api is used, shm binary api is subsequently bootstrapped
225 * and all other messages are exchanged using shm IPC. */
228 /* Limit the number of incorrect data messages */
231 fifo_segment_main_t segment_main;
234 echo_main_t echo_main;
239 #define NITER 4000000
255 format_ip4_address (u8 * s, va_list * args)
257 u8 *a = va_arg (*args, u8 *);
258 return format (s, "%d.%d.%d.%d", a[0], a[1], a[2], a[3]);
262 format_ip6_address (u8 * s, va_list * args)
264 ip6_address_t *a = va_arg (*args, ip6_address_t *);
265 u32 i, i_max_n_zero, max_n_zeros, i_first_zero, n_zeros, last_double_colon;
267 i_max_n_zero = ARRAY_LEN (a->as_u16);
269 i_first_zero = i_max_n_zero;
271 for (i = 0; i < ARRAY_LEN (a->as_u16); i++)
273 u32 is_zero = a->as_u16[i] == 0;
274 if (is_zero && i_first_zero >= ARRAY_LEN (a->as_u16))
280 if ((!is_zero && n_zeros > max_n_zeros)
281 || (i + 1 >= ARRAY_LEN (a->as_u16) && n_zeros > max_n_zeros))
283 i_max_n_zero = i_first_zero;
284 max_n_zeros = n_zeros;
285 i_first_zero = ARRAY_LEN (a->as_u16);
290 last_double_colon = 0;
291 for (i = 0; i < ARRAY_LEN (a->as_u16); i++)
293 if (i == i_max_n_zero && max_n_zeros > 1)
295 s = format (s, "::");
296 i += max_n_zeros - 1;
297 last_double_colon = 1;
301 s = format (s, "%s%x",
302 (last_double_colon || i == 0) ? "" : ":",
303 clib_net_to_host_u16 (a->as_u16[i]));
304 last_double_colon = 0;
311 /* Format an IP46 address. */
313 format_ip46_address (u8 * s, va_list * args)
315 ip46_address_t *ip46 = va_arg (*args, ip46_address_t *);
316 ip46_type_t type = va_arg (*args, ip46_type_t);
322 is_ip4 = ip46_address_is_ip4 (ip46);
333 format (s, "%U", format_ip4_address, &ip46->ip4) :
334 format (s, "%U", format_ip6_address, &ip46->ip6);
338 format_quic_echo_state (u8 * s, va_list * args)
340 u32 state = va_arg (*args, u32);
341 if (state == STATE_START)
342 return format (s, "STATE_START");
343 if (state == STATE_ATTACHED)
344 return format (s, "STATE_ATTACHED");
345 if (state == STATE_LISTEN)
346 return format (s, "STATE_LISTEN");
347 if (state == STATE_READY)
348 return format (s, "STATE_READY");
349 if (state == STATE_DISCONNECTED)
350 return format (s, "STATE_DISCONNECTED");
351 if (state == STATE_DETACHED)
352 return format (s, "STATE_DETACHED");
354 return format (s, "unknown state");
358 format_api_error (u8 * s, va_list * args)
360 echo_main_t *em = &echo_main;
361 i32 error = va_arg (*args, u32);
364 p = hash_get (em->error_string_by_error_number, -error);
367 s = format (s, "%s", p[0]);
369 s = format (s, "%d", error);
374 unformat_data (unformat_input_t * input, va_list * args)
377 u64 *a = va_arg (*args, u64 *);
378 if (unformat (input, "%lluGb", &_a))
383 else if (unformat (input, "%lluMb", &_a))
388 else if (unformat (input, "%lluKb", &_a))
393 else if (unformat (input, "%llu", a))
399 echo_unformat_timing_event (unformat_input_t * input, va_list * args)
401 echo_test_evt_t *a = va_arg (*args, echo_test_evt_t *);
402 if (unformat (input, "start"))
404 else if (unformat (input, "qconnect"))
405 *a = ECHO_EVT_FIRST_QCONNECT;
406 else if (unformat (input, "qconnected"))
407 *a = ECHO_EVT_LAST_QCONNECTED;
408 else if (unformat (input, "sconnect"))
409 *a = ECHO_EVT_FIRST_SCONNECT;
410 else if (unformat (input, "sconnected"))
411 *a = ECHO_EVT_LAST_SCONNECTED;
412 else if (unformat (input, "lastbyte"))
413 *a = ECHO_EVT_LAST_BYTE;
414 else if (unformat (input, "exit"))
422 echo_format_timing_event (u8 * s, va_list * args)
424 u32 timing_event = va_arg (*args, u32);
425 if (timing_event == ECHO_EVT_START)
426 return format (s, "start");
427 if (timing_event == ECHO_EVT_FIRST_QCONNECT)
428 return format (s, "qconnect");
429 if (timing_event == ECHO_EVT_LAST_QCONNECTED)
430 return format (s, "qconnected");
431 if (timing_event == ECHO_EVT_FIRST_SCONNECT)
432 return format (s, "sconnect");
433 if (timing_event == ECHO_EVT_LAST_SCONNECTED)
434 return format (s, "sconnected");
435 if (timing_event == ECHO_EVT_LAST_BYTE)
436 return format (s, "lastbyte");
437 if (timing_event == ECHO_EVT_EXIT)
438 return format (s, "exit");
440 return format (s, "unknown timing event");
444 init_error_string_table (echo_main_t * em)
446 em->error_string_by_error_number = hash_create (0, sizeof (uword));
448 #define _(n,v,s) hash_set (em->error_string_by_error_number, -v, s);
449 foreach_vnet_api_error;
452 hash_set (em->error_string_by_error_number, 99, "Misc");
457 * End of format functions
468 application_send_attach (echo_main_t * em)
470 vl_api_application_attach_t *bmp;
471 vl_api_application_tls_cert_add_t *cert_mp;
472 vl_api_application_tls_key_add_t *key_mp;
474 bmp = vl_msg_api_alloc (sizeof (*bmp));
475 clib_memset (bmp, 0, sizeof (*bmp));
477 bmp->_vl_msg_id = ntohs (VL_API_APPLICATION_ATTACH);
478 bmp->client_index = em->my_client_index;
479 bmp->context = ntohl (0xfeedface);
480 bmp->options[APP_OPTIONS_FLAGS] = APP_OPTIONS_FLAGS_ACCEPT_REDIRECT;
481 bmp->options[APP_OPTIONS_FLAGS] |= APP_OPTIONS_FLAGS_ADD_SEGMENT;
482 bmp->options[APP_OPTIONS_PREALLOC_FIFO_PAIRS] = 16;
483 bmp->options[APP_OPTIONS_RX_FIFO_SIZE] = em->fifo_size;
484 bmp->options[APP_OPTIONS_TX_FIFO_SIZE] = em->fifo_size;
485 bmp->options[APP_OPTIONS_ADD_SEGMENT_SIZE] = 128 << 20;
486 bmp->options[APP_OPTIONS_SEGMENT_SIZE] = 256 << 20;
487 bmp->options[APP_OPTIONS_EVT_QUEUE_SIZE] = 256;
490 bmp->namespace_id_len = vec_len (em->appns_id);
491 clib_memcpy_fast (bmp->namespace_id, em->appns_id,
492 bmp->namespace_id_len);
493 bmp->options[APP_OPTIONS_FLAGS] |= em->appns_flags;
494 bmp->options[APP_OPTIONS_NAMESPACE_SECRET] = em->appns_secret;
496 vl_msg_api_send_shmem (em->vl_input_queue, (u8 *) & bmp);
498 cert_mp = vl_msg_api_alloc (sizeof (*cert_mp) + test_srv_crt_rsa_len);
499 clib_memset (cert_mp, 0, sizeof (*cert_mp));
500 cert_mp->_vl_msg_id = ntohs (VL_API_APPLICATION_TLS_CERT_ADD);
501 cert_mp->client_index = em->my_client_index;
502 cert_mp->context = ntohl (0xfeedface);
503 cert_mp->cert_len = clib_host_to_net_u16 (test_srv_crt_rsa_len);
504 clib_memcpy_fast (cert_mp->cert, test_srv_crt_rsa, test_srv_crt_rsa_len);
505 vl_msg_api_send_shmem (em->vl_input_queue, (u8 *) & cert_mp);
507 key_mp = vl_msg_api_alloc (sizeof (*key_mp) + test_srv_key_rsa_len);
508 clib_memset (key_mp, 0, sizeof (*key_mp) + test_srv_key_rsa_len);
509 key_mp->_vl_msg_id = ntohs (VL_API_APPLICATION_TLS_KEY_ADD);
510 key_mp->client_index = em->my_client_index;
511 key_mp->context = ntohl (0xfeedface);
512 key_mp->key_len = clib_host_to_net_u16 (test_srv_key_rsa_len);
513 clib_memcpy_fast (key_mp->key, test_srv_key_rsa, test_srv_key_rsa_len);
514 vl_msg_api_send_shmem (em->vl_input_queue, (u8 *) & key_mp);
518 application_detach (echo_main_t * em)
520 vl_api_application_detach_t *bmp;
521 bmp = vl_msg_api_alloc (sizeof (*bmp));
522 clib_memset (bmp, 0, sizeof (*bmp));
524 bmp->_vl_msg_id = ntohs (VL_API_APPLICATION_DETACH);
525 bmp->client_index = em->my_client_index;
526 bmp->context = ntohl (0xfeedface);
527 vl_msg_api_send_shmem (em->vl_input_queue, (u8 *) & bmp);
531 server_send_listen (echo_main_t * em)
533 vl_api_bind_uri_t *bmp;
534 bmp = vl_msg_api_alloc (sizeof (*bmp));
535 clib_memset (bmp, 0, sizeof (*bmp));
537 bmp->_vl_msg_id = ntohs (VL_API_BIND_URI);
538 bmp->client_index = em->my_client_index;
539 bmp->context = ntohl (0xfeedface);
540 memcpy (bmp->uri, em->uri, vec_len (em->uri));
541 vl_msg_api_send_shmem (em->vl_input_queue, (u8 *) & bmp);
545 server_send_unbind (echo_main_t * em)
547 vl_api_unbind_uri_t *ump;
549 ump = vl_msg_api_alloc (sizeof (*ump));
550 clib_memset (ump, 0, sizeof (*ump));
552 ump->_vl_msg_id = ntohs (VL_API_UNBIND_URI);
553 ump->client_index = em->my_client_index;
554 memcpy (ump->uri, em->uri, vec_len (em->uri));
555 vl_msg_api_send_shmem (em->vl_input_queue, (u8 *) & ump);
559 echo_send_connect (echo_main_t * em, u8 * uri, u32 opaque)
561 vl_api_connect_uri_t *cmp;
562 cmp = vl_msg_api_alloc (sizeof (*cmp));
563 clib_memset (cmp, 0, sizeof (*cmp));
565 cmp->_vl_msg_id = ntohs (VL_API_CONNECT_URI);
566 cmp->client_index = em->my_client_index;
567 cmp->context = ntohl (opaque);
568 memcpy (cmp->uri, uri, vec_len (uri));
569 vl_msg_api_send_shmem (em->vl_input_queue, (u8 *) & cmp);
573 echo_disconnect_session (echo_main_t * em, echo_session_t * s)
575 vl_api_disconnect_session_t *dmp;
576 dmp = vl_msg_api_alloc (sizeof (*dmp));
577 clib_memset (dmp, 0, sizeof (*dmp));
578 dmp->_vl_msg_id = ntohs (VL_API_DISCONNECT_SESSION);
579 dmp->client_index = em->my_client_index;
580 dmp->handle = s->vpp_session_handle;
581 DBG ("Disconnect session 0x%lx", dmp->handle);
582 vl_msg_api_send_shmem (em->vl_input_queue, (u8 *) & dmp);
587 * End Session API Calls
592 wait_for_segment_allocation (u64 segment_handle)
594 echo_main_t *em = &echo_main;
596 timeout = clib_time_now (&em->clib_time) + TIMEOUT;
597 uword *segment_present;
598 DBG ("Waiting for segment 0x%lx...", segment_handle);
599 while (clib_time_now (&em->clib_time) < timeout)
601 clib_spinlock_lock (&em->segment_handles_lock);
602 segment_present = hash_get (em->shared_segment_handles, segment_handle);
603 clib_spinlock_unlock (&em->segment_handles_lock);
604 if (segment_present != 0)
606 if (em->time_to_stop == 1)
609 DBG ("timeout wait_for_segment_allocation (0x%lx)", segment_handle);
614 quic_echo_notify_event (echo_main_t * em, echo_test_evt_t e)
616 if (em->timing_start_event == e)
617 em->start_time = clib_time_now (&em->clib_time);
618 else if (em->timing_end_event == e)
619 em->end_time = clib_time_now (&em->clib_time);
623 echo_assert_test_suceeded (echo_main_t * em)
626 em->n_stream_clients * em->n_clients * em->bytes_to_receive,
627 "Not enough data received");
629 em->n_stream_clients * em->n_clients * em->bytes_to_send,
630 "Not enough data sent");
631 CHECK (0, hash_elts (em->session_index_by_vpp_handles),
632 "Some sessions are still open");
636 echo_session_dequeue_notify (echo_session_t * s)
639 rv = app_send_io_evt_to_vpp (s->vpp_evt_q, s->rx_fifo->master_session_index,
640 SESSION_IO_EVT_RX, SVM_Q_WAIT);
641 svm_fifo_clear_deq_ntf (s->rx_fifo);
643 ECHO_FAIL ("app_send_io_evt_to_vpp errored %d", rv);
647 ssvm_segment_attach (char *name, ssvm_segment_type_t type, int fd)
649 fifo_segment_create_args_t _a, *a = &_a;
650 fifo_segment_main_t *sm = &echo_main.segment_main;
653 clib_memset (a, 0, sizeof (*a));
654 a->segment_name = (char *) name;
655 a->segment_type = type;
657 if (type == SSVM_SEGMENT_MEMFD)
660 if ((rv = fifo_segment_attach (sm, a)))
662 vec_reset_length (a->new_segment_indices);
667 stop_signal (int signum)
669 echo_main_t *um = &echo_main;
670 um->time_to_stop = 1;
673 static clib_error_t *
674 setup_signal_handlers (void)
676 signal (SIGINT, stop_signal);
677 signal (SIGQUIT, stop_signal);
678 signal (SIGTERM, stop_signal);
683 connect_to_vpp (char *name)
685 echo_main_t *em = &echo_main;
686 api_main_t *am = &api_main;
688 if (em->use_sock_api)
690 if (vl_socket_client_connect ((char *) em->socket_name, name,
691 0 /* default rx, tx buffer */ ))
693 clib_warning ("socket connect failed");
697 if (vl_socket_client_init_shm (0, 1 /* want_pthread */ ))
699 clib_warning ("init shm api failed");
705 if (vl_client_connect_to_vlib ("/vpe-api", name, 32) < 0)
707 clib_warning ("shmem connect failed");
711 em->vl_input_queue = am->shmem_hdr->vl_input_queue;
712 em->my_client_index = am->my_client_index;
717 session_print_stats (echo_main_t * em, echo_session_t * session)
719 f64 deltat = clib_time_now (&em->clib_time) - session->start;
720 fformat (stdout, "Session 0x%x done in %.6fs RX[%.4f] TX[%.4f] Gbit/s\n",
721 session->vpp_session_handle, deltat,
722 (session->bytes_received * 8.0) / deltat / 1e9,
723 (session->bytes_sent * 8.0) / deltat / 1e9);
727 print_global_stats (echo_main_t * em)
729 f64 deltat = em->end_time - em->start_time;
730 u8 *s = format (0, "%U:%U",
731 echo_format_timing_event, em->timing_start_event,
732 echo_format_timing_event, em->timing_end_event);
733 fformat (stdout, "Timinig %s\n", s);
734 fformat (stdout, "-------- TX --------\n");
735 fformat (stdout, "%lld bytes (%lld mbytes, %lld gbytes) in %.2f seconds\n",
736 em->tx_total, em->tx_total / (1ULL << 20),
737 em->tx_total / (1ULL << 30), deltat);
738 fformat (stdout, "%.4f Gbit/second\n", (em->tx_total * 8.0) / deltat / 1e9);
739 fformat (stdout, "-------- RX --------\n");
740 fformat (stdout, "%lld bytes (%lld mbytes, %lld gbytes) in %.2f seconds\n",
741 em->rx_total, em->rx_total / (1ULL << 20),
742 em->rx_total / (1ULL << 30), deltat);
743 fformat (stdout, "%.4f Gbit/second\n", (em->rx_total * 8.0) / deltat / 1e9);
744 fformat (stdout, "--------------------\n");
748 echo_free_sessions (echo_main_t * em)
750 /* Free marked sessions */
752 u32 *session_indexes = 0, *session_index;
755 pool_foreach (s, em->sessions,
757 if (s->flags & SESSION_FLAG_SHOULD_FREE)
758 vec_add1 (session_indexes, s->session_index);}
761 vec_foreach (session_index, session_indexes)
764 s = pool_elt_at_index (em->sessions, *session_index);
765 DBG ("Freeing session 0x%lx", s->vpp_session_handle);
766 pool_put (em->sessions, s);
767 clib_memset (s, 0xfe, sizeof (*s));
772 echo_cleanup_session (echo_main_t * em, echo_session_t * s)
775 u64 accepted_session_count;
776 if (s->listener_index != SESSION_INVALID_INDEX)
778 ls = pool_elt_at_index (em->sessions, s->listener_index);
779 accepted_session_count =
780 clib_atomic_sub_fetch (&ls->accepted_session_count, 1);
781 if (accepted_session_count == 0
782 && ls->session_type != QUIC_SESSION_TYPE_LISTEN
783 && em->send_disconnects)
784 echo_disconnect_session (em, ls);
786 if (s->session_type == QUIC_SESSION_TYPE_QUIC)
787 clib_atomic_sub_fetch (&em->n_quic_clients_connected, 1);
788 else if (s->session_type == QUIC_SESSION_TYPE_STREAM)
789 clib_atomic_sub_fetch (&em->n_clients_connected, 1);
791 DBG ("Cleanup sessions (still %uQ %uS)", em->n_quic_clients_connected,
792 em->n_clients_connected);
793 hash_unset (em->session_index_by_vpp_handles, s->vpp_session_handle);
795 /* Mark session as to be freed */
796 s->flags |= SESSION_FLAG_SHOULD_FREE;
800 test_recv_bytes (echo_main_t * em, echo_session_t * s, u8 * rx_buf,
805 for (i = 0; i < n_read; i++)
807 expected = (s->bytes_received + i) & 0xff;
808 if (rx_buf[i] == expected || em->max_test_msg > 0)
810 clib_warning ("Session 0x%lx byte %lld was 0x%x expected 0x%x",
811 s->vpp_session_handle, s->bytes_received + i, rx_buf[i],
814 if (em->max_test_msg == 0)
815 clib_warning ("Too many errors, hiding next ones");
816 if (em->test_return_packets == RETURN_PACKETS_ASSERT)
817 ECHO_FAIL ("test-bytes errored");
822 recv_data_chunk (echo_main_t * em, echo_session_t * s, u8 * rx_buf)
825 n_read = app_recv_stream ((app_session_t *) s, rx_buf, vec_len (rx_buf));
828 if (svm_fifo_needs_deq_ntf (s->rx_fifo, n_read))
829 echo_session_dequeue_notify (s);
831 if (em->test_return_packets)
832 test_recv_bytes (em, s, rx_buf, n_read);
834 ASSERT (s->bytes_to_receive >= n_read);
835 s->bytes_received += n_read;
836 s->bytes_to_receive -= n_read;
841 send_data_chunk (echo_session_t * s, u8 * tx_buf, int offset, int len)
844 int bytes_this_chunk = clib_min (s->bytes_to_send, len - offset);
845 if (!bytes_this_chunk)
847 n_sent = app_send_stream ((app_session_t *) s, tx_buf + offset,
848 bytes_this_chunk, 0);
851 s->bytes_to_send -= n_sent;
852 s->bytes_sent += n_sent;
857 mirror_data_chunk (echo_main_t * em, echo_session_t * s, u8 * tx_buf, u64 len)
860 while (n_sent < len && !em->time_to_stop)
861 n_sent += send_data_chunk (s, tx_buf, n_sent, len);
866 * Rx/Tx polling thread per connection
869 echo_thread_fn (void *arg)
871 echo_main_t *em = &echo_main;
873 u32 session_index = *(u32 *) arg;
875 int n_read, n_sent, idle_loop = 0;
876 vec_validate (rx_buf, em->rx_buf_size);
878 while (!em->time_to_stop && em->state != STATE_READY)
881 s = pool_elt_at_index (em->sessions, session_index);
882 while (!em->time_to_stop)
884 n_read = recv_data_chunk (em, s, rx_buf);
885 if (em->data_source == ECHO_TEST_DATA_SOURCE)
887 send_data_chunk (s, em->connect_test_data,
888 s->bytes_sent % em->tx_buf_size, em->tx_buf_size);
889 else if (em->data_source == ECHO_RX_DATA_SOURCE)
890 n_sent = mirror_data_chunk (em, s, rx_buf, n_read);
893 if (!s->bytes_to_send && !s->bytes_to_receive)
895 if (s->flags & SESSION_FLAG_SHOULD_CLOSE)
898 /* check idle clients */
899 if (!n_sent & !n_read)
903 if (idle_loop == 1e7)
905 DBG ("Idle client TX:%dB RX:%dB", s->bytes_to_send,
906 s->bytes_to_receive);
907 DBG ("Idle FIFOs TX:%dB RX:%dB", svm_fifo_max_dequeue (s->tx_fifo),
908 svm_fifo_max_dequeue (s->rx_fifo));
911 DBG ("[%lu/%lu] -> S(%x) -> [%lu/%lu]",
912 s->bytes_received, s->bytes_received + s->bytes_to_receive,
913 session_index, s->bytes_sent, s->bytes_sent + s->bytes_to_send);
914 em->tx_total += s->bytes_sent;
915 em->rx_total += s->bytes_received;
916 clib_warning ("%d/%d", em->rx_total,
917 em->n_clients * em->n_stream_clients * em->bytes_to_receive);
919 em->n_clients * em->n_stream_clients * em->bytes_to_receive)
920 quic_echo_notify_event (em, ECHO_EVT_LAST_BYTE);
921 if (em->send_disconnects)
922 echo_disconnect_session (em, s);
925 while (!(s->flags & SESSION_FLAG_SHOULD_CLOSE) & !em->time_to_stop)
927 echo_cleanup_session (em, s);
933 session_bound_handler (session_bound_msg_t * mp)
935 echo_main_t *em = &echo_main;
936 echo_session_t *listen_session;
941 ECHO_FAIL ("bind failed: %U", format_api_error,
942 clib_net_to_host_u32 (mp->retval));
946 clib_warning ("listening on %U:%u", format_ip46_address, mp->lcl_ip,
947 mp->lcl_is_ip4 ? IP46_TYPE_IP4 : IP46_TYPE_IP6,
948 clib_net_to_host_u16 (mp->lcl_port));
950 /* Allocate local session and set it up */
951 pool_get (em->sessions, listen_session);
952 listen_session->session_type = QUIC_SESSION_TYPE_LISTEN;
953 listen_session->accepted_session_count = 0;
954 session_index = listen_session - em->sessions;
955 listen_session->session_index = session_index;
956 hash_set (em->session_index_by_vpp_handles, mp->handle, session_index);
957 em->state = STATE_LISTEN;
958 em->listen_session_index = session_index;
962 session_accepted_handler (session_accepted_msg_t * mp)
964 app_session_evt_t _app_evt, *app_evt = &_app_evt;
965 session_accepted_reply_msg_t *rmp;
966 svm_fifo_t *rx_fifo, *tx_fifo;
967 echo_main_t *em = &echo_main;
968 echo_session_t *session, *listen_session;
971 /* Allocate local session and set it up */
972 pool_get (em->sessions, session);
973 session_index = session - em->sessions;
975 if (wait_for_segment_allocation (mp->segment_handle))
977 ECHO_FAIL ("wait_for_segment_allocation errored");
981 rx_fifo = uword_to_pointer (mp->server_rx_fifo, svm_fifo_t *);
982 rx_fifo->client_session_index = session_index;
983 tx_fifo = uword_to_pointer (mp->server_tx_fifo, svm_fifo_t *);
984 tx_fifo->client_session_index = session_index;
986 session->rx_fifo = rx_fifo;
987 session->tx_fifo = tx_fifo;
988 session->session_index = session_index;
989 session->vpp_session_handle = mp->handle;
990 session->start = clib_time_now (&em->clib_time);
991 session->vpp_evt_q = uword_to_pointer (mp->vpp_event_queue_address,
994 session->accepted_session_count = 0;
995 p = hash_get (em->session_index_by_vpp_handles, mp->listener_handle);
998 ECHO_FAIL ("unknown handle 0x%lx", mp->listener_handle);
1001 session->listener_index = p[0];
1002 listen_session = pool_elt_at_index (em->sessions, p[0]);
1003 clib_atomic_fetch_add (&listen_session->accepted_session_count, 1);
1005 /* Add it to lookup table */
1006 DBG ("Accepted session 0x%lx, Listener 0x%lx idx %lu", mp->handle,
1007 mp->listener_handle, session_index);
1008 hash_set (em->session_index_by_vpp_handles, mp->handle, session_index);
1010 app_alloc_ctrl_evt_to_vpp (session->vpp_evt_q, app_evt,
1011 SESSION_CTRL_EVT_ACCEPTED_REPLY);
1012 rmp = (session_accepted_reply_msg_t *) app_evt->evt->data;
1013 rmp->handle = mp->handle;
1014 rmp->context = mp->context;
1015 app_send_ctrl_evt_to_vpp (session->vpp_evt_q, app_evt);
1017 if (listen_session->session_type == QUIC_SESSION_TYPE_LISTEN)
1019 session->session_type = QUIC_SESSION_TYPE_QUIC;
1020 if (em->cb_vft.quic_accepted_cb)
1021 em->cb_vft.quic_accepted_cb (mp, session_index);
1022 clib_atomic_fetch_add (&em->n_quic_clients_connected, 1);
1024 else if (em->i_am_master)
1026 session->session_type = QUIC_SESSION_TYPE_STREAM;
1027 if (em->cb_vft.server_stream_accepted_cb)
1028 em->cb_vft.server_stream_accepted_cb (mp, session_index);
1029 clib_atomic_fetch_add (&em->n_clients_connected, 1);
1033 session->session_type = QUIC_SESSION_TYPE_STREAM;
1034 if (em->cb_vft.client_stream_accepted_cb)
1035 em->cb_vft.client_stream_accepted_cb (mp, session_index);
1036 clib_atomic_fetch_add (&em->n_clients_connected, 1);
1039 if (em->n_clients_connected == em->n_clients * em->n_stream_clients)
1041 em->state = STATE_READY;
1042 quic_echo_notify_event (em, ECHO_EVT_LAST_SCONNECTED);
1044 if (em->n_quic_clients_connected == em->n_clients)
1045 quic_echo_notify_event (em, ECHO_EVT_LAST_QCONNECTED);
1049 session_connected_handler (session_connected_msg_t * mp)
1051 echo_main_t *em = &echo_main;
1052 echo_session_t *session, *listen_session;
1054 u32 listener_index = htonl (mp->context);
1055 svm_fifo_t *rx_fifo, *tx_fifo;
1059 ECHO_FAIL ("connection failed with code: %U", format_api_error,
1060 clib_net_to_host_u32 (mp->retval));
1064 pool_get (em->sessions, session);
1065 clib_memset (session, 0, sizeof (*session));
1066 session_index = session - em->sessions;
1068 if (wait_for_segment_allocation (mp->segment_handle))
1070 ECHO_FAIL ("wait_for_segment_allocation errored");
1074 rx_fifo = uword_to_pointer (mp->server_rx_fifo, svm_fifo_t *);
1075 rx_fifo->client_session_index = session_index;
1076 tx_fifo = uword_to_pointer (mp->server_tx_fifo, svm_fifo_t *);
1077 tx_fifo->client_session_index = session_index;
1079 session->rx_fifo = rx_fifo;
1080 session->tx_fifo = tx_fifo;
1081 session->vpp_session_handle = mp->handle;
1082 session->session_index = session_index;
1083 session->start = clib_time_now (&em->clib_time);
1084 session->vpp_evt_q = uword_to_pointer (mp->vpp_event_queue_address,
1087 session->listener_index = listener_index;
1088 session->accepted_session_count = 0;
1089 if (listener_index != SESSION_INVALID_INDEX)
1091 listen_session = pool_elt_at_index (em->sessions, listener_index);
1092 clib_atomic_fetch_add (&listen_session->accepted_session_count, 1);
1095 DBG ("Connected session 0x%lx", mp->handle, session_index);
1096 hash_set (em->session_index_by_vpp_handles, mp->handle, session_index);
1098 if (listener_index == SESSION_INVALID_INDEX)
1100 session->session_type = QUIC_SESSION_TYPE_QUIC;
1101 if (em->cb_vft.quic_connected_cb)
1102 em->cb_vft.quic_connected_cb (mp, session_index);
1103 clib_atomic_fetch_add (&em->n_quic_clients_connected, 1);
1105 else if (em->i_am_master)
1107 session->session_type = QUIC_SESSION_TYPE_STREAM;
1108 if (em->cb_vft.server_stream_connected_cb)
1109 em->cb_vft.server_stream_connected_cb (mp, session_index);
1110 clib_atomic_fetch_add (&em->n_clients_connected, 1);
1114 session->session_type = QUIC_SESSION_TYPE_STREAM;
1115 if (em->cb_vft.client_stream_connected_cb)
1116 em->cb_vft.client_stream_connected_cb (mp, session_index);
1117 clib_atomic_fetch_add (&em->n_clients_connected, 1);
1120 if (em->n_clients_connected == em->n_clients * em->n_stream_clients)
1122 em->state = STATE_READY;
1123 quic_echo_notify_event (em, ECHO_EVT_LAST_SCONNECTED);
1125 if (em->n_quic_clients_connected == em->n_clients)
1126 quic_echo_notify_event (em, ECHO_EVT_LAST_QCONNECTED);
1131 * ECHO Callback definitions
1137 echo_on_connected_connect (session_connected_msg_t * mp, u32 session_index)
1139 echo_main_t *em = &echo_main;
1140 u8 *uri = format (0, "QUIC://session/%lu", mp->handle);
1143 if (!em->first_sconnect_sent)
1145 em->first_sconnect_sent = 1;
1146 quic_echo_notify_event (em, ECHO_EVT_FIRST_SCONNECT);
1148 for (i = 0; i < em->n_stream_clients; i++)
1149 echo_send_connect (em, uri, session_index);
1151 clib_warning ("Qsession 0x%llx connected to %U:%d",
1152 mp->handle, format_ip46_address, &mp->lcl.ip,
1153 mp->lcl.is_ip4, clib_net_to_host_u16 (mp->lcl.port));
1157 echo_on_connected_send (session_connected_msg_t * mp, u32 session_index)
1159 echo_main_t *em = &echo_main;
1161 echo_session_t *session;
1163 session = pool_elt_at_index (em->sessions, session_index);
1164 session->bytes_to_send = em->bytes_to_send;
1165 session->bytes_to_receive = em->bytes_to_receive;
1167 DBG ("Stream session 0x%lx connected", session->vpp_session_handle);
1172 em->thread_args[em->n_clients_connected] = session_index;
1173 rv = pthread_create (&em->client_thread_handles[em->n_clients_connected],
1174 NULL /*attr */ , echo_thread_fn,
1175 (void *) &em->thread_args[em->n_clients_connected]);
1178 ECHO_FAIL ("pthread_create returned %d", rv);
1184 echo_on_connected_error (session_connected_msg_t * mp, u32 session_index)
1186 ECHO_FAIL ("Got a wrong connected on session %u [%lx]", session_index,
1191 echo_on_accept_recv (session_accepted_msg_t * mp, u32 session_index)
1193 echo_main_t *em = &echo_main;
1195 echo_session_t *session;
1197 session = pool_elt_at_index (em->sessions, session_index);
1198 session->bytes_to_send = em->bytes_to_send;
1199 session->bytes_to_receive = em->bytes_to_receive;
1201 DBG ("Stream session 0x%lx accepted", mp->handle);
1206 em->thread_args[em->n_clients_connected] = session_index;
1207 rv = pthread_create (&em->client_thread_handles[em->n_clients_connected],
1208 NULL /*attr */ , echo_thread_fn,
1209 (void *) &em->thread_args[em->n_clients_connected]);
1212 ECHO_FAIL ("pthread_create returned %d", rv);
1218 echo_on_accept_connect (session_accepted_msg_t * mp, u32 session_index)
1220 echo_main_t *em = &echo_main;
1221 DBG ("Accept on QSession 0x%lx %u", mp->handle);
1222 u8 *uri = format (0, "QUIC://session/%lu", mp->handle);
1225 if (!em->first_sconnect_sent)
1227 em->first_sconnect_sent = 1;
1228 quic_echo_notify_event (em, ECHO_EVT_FIRST_SCONNECT);
1230 for (i = 0; i < em->n_stream_clients; i++)
1231 echo_send_connect (em, uri, session_index);
1235 echo_on_accept_error (session_accepted_msg_t * mp, u32 session_index)
1237 ECHO_FAIL ("Got a wrong accept on session %u [%lx]", session_index,
1242 echo_on_accept_log_ip (session_accepted_msg_t * mp, u32 session_index)
1245 ip_str = format (0, "%U", format_ip46_address, &mp->rmt.ip, mp->rmt.is_ip4);
1246 clib_warning ("Accepted session from: %s:%d", ip_str,
1247 clib_net_to_host_u16 (mp->rmt.port));
1251 static const quic_echo_cb_vft_t default_cb_vft = {
1253 .quic_accepted_cb = echo_on_accept_log_ip,
1254 .quic_connected_cb = echo_on_connected_connect,
1255 /* client initiated streams */
1256 .server_stream_accepted_cb = echo_on_accept_recv,
1257 .client_stream_connected_cb = echo_on_connected_send,
1258 /* server initiated streams */
1259 .client_stream_accepted_cb = echo_on_accept_error,
1260 .server_stream_connected_cb = echo_on_connected_error,
1263 static const quic_echo_cb_vft_t server_stream_cb_vft = {
1265 .quic_accepted_cb = echo_on_accept_connect,
1266 .quic_connected_cb = NULL,
1267 /* client initiated streams */
1268 .server_stream_accepted_cb = echo_on_accept_error,
1269 .client_stream_connected_cb = echo_on_connected_error,
1270 /* server initiated streams */
1271 .client_stream_accepted_cb = echo_on_accept_recv,
1272 .server_stream_connected_cb = echo_on_connected_send,
1276 echo_unformat_quic_setup_vft (unformat_input_t * input, va_list * args)
1278 echo_main_t *em = &echo_main;
1279 if (unformat (input, "serverstream"))
1280 em->cb_vft = server_stream_cb_vft;
1281 else if (unformat (input, "default"))
1290 * End of ECHO callback definitions
1295 session_disconnected_handler (session_disconnected_msg_t * mp)
1297 app_session_evt_t _app_evt, *app_evt = &_app_evt;
1298 session_disconnected_reply_msg_t *rmp;
1299 echo_main_t *em = &echo_main;
1303 DBG ("passive close session 0x%lx", mp->handle);
1304 p = hash_get (em->session_index_by_vpp_handles, mp->handle);
1307 ECHO_FAIL ("couldn't find session key %llx", mp->handle);
1311 s = pool_elt_at_index (em->sessions, p[0]);
1312 if (s->session_type == QUIC_SESSION_TYPE_STREAM)
1313 s->flags |= SESSION_FLAG_SHOULD_CLOSE; /* tell thread to close session */
1315 echo_cleanup_session (em, s); /* We can clean Qsessions right away */
1317 app_alloc_ctrl_evt_to_vpp (s->vpp_evt_q, app_evt,
1318 SESSION_CTRL_EVT_DISCONNECTED_REPLY);
1319 rmp = (session_disconnected_reply_msg_t *) app_evt->evt->data;
1321 rmp->handle = mp->handle;
1322 rmp->context = mp->context;
1323 app_send_ctrl_evt_to_vpp (s->vpp_evt_q, app_evt);
1325 if (s->session_type == QUIC_SESSION_TYPE_STREAM)
1326 session_print_stats (em, s);
1330 session_reset_handler (session_reset_msg_t * mp)
1332 app_session_evt_t _app_evt, *app_evt = &_app_evt;
1333 echo_main_t *em = &echo_main;
1334 session_reset_reply_msg_t *rmp;
1335 echo_session_t *session = 0;
1339 DBG ("Reset session 0x%lx", mp->handle);
1340 p = hash_get (em->session_index_by_vpp_handles, mp->handle);
1344 ECHO_FAIL ("couldn't find session key %llx", mp->handle);
1348 session = pool_elt_at_index (em->sessions, p[0]);
1350 em->time_to_stop = 1;
1351 app_alloc_ctrl_evt_to_vpp (session->vpp_evt_q, app_evt,
1352 SESSION_CTRL_EVT_RESET_REPLY);
1353 rmp = (session_reset_reply_msg_t *) app_evt->evt->data;
1355 rmp->handle = mp->handle;
1356 app_send_ctrl_evt_to_vpp (session->vpp_evt_q, app_evt);
1360 handle_mq_event (session_event_t * e)
1362 switch (e->event_type)
1364 case SESSION_CTRL_EVT_BOUND:
1365 session_bound_handler ((session_bound_msg_t *) e->data);
1367 case SESSION_CTRL_EVT_ACCEPTED:
1368 session_accepted_handler ((session_accepted_msg_t *) e->data);
1370 case SESSION_CTRL_EVT_CONNECTED:
1371 session_connected_handler ((session_connected_msg_t *) e->data);
1373 case SESSION_CTRL_EVT_DISCONNECTED:
1374 session_disconnected_handler ((session_disconnected_msg_t *) e->data);
1376 case SESSION_CTRL_EVT_RESET:
1377 session_reset_handler ((session_reset_msg_t *) e->data);
1379 case SESSION_IO_EVT_RX:
1382 clib_warning ("unhandled event %u", e->event_type);
1387 wait_for_state_change (echo_main_t * em, connection_state_t state,
1390 svm_msg_q_msg_t msg;
1392 f64 end_time = clib_time_now (&em->clib_time) + timeout;
1394 while (!timeout || clib_time_now (&em->clib_time) < end_time)
1396 if (em->state == state)
1398 if (em->time_to_stop == 1)
1400 if (!em->our_event_queue || em->state < STATE_ATTACHED)
1403 if (svm_msg_q_sub (em->our_event_queue, &msg, SVM_Q_NOWAIT, 0))
1405 e = svm_msg_q_msg_data (em->our_event_queue, &msg);
1406 handle_mq_event (e);
1407 svm_msg_q_free_msg (em->our_event_queue, &msg);
1409 DBG ("timeout waiting for %U", format_quic_echo_state, state);
1414 echo_event_loop (echo_main_t * em)
1416 svm_msg_q_msg_t msg;
1419 DBG ("Waiting for data on %u clients", em->n_clients_connected);
1420 while (em->n_clients_connected | em->n_quic_clients_connected)
1422 int rc = svm_msg_q_sub (em->our_event_queue, &msg, SVM_Q_TIMEDWAIT, 1);
1423 if (PREDICT_FALSE (rc == ETIMEDOUT && em->time_to_stop))
1425 if (rc == ETIMEDOUT)
1427 e = svm_msg_q_msg_data (em->our_event_queue, &msg);
1428 handle_mq_event (e);
1429 svm_msg_q_free_msg (em->our_event_queue, &msg);
1434 clients_run (echo_main_t * em)
1437 quic_echo_notify_event (em, ECHO_EVT_FIRST_QCONNECT);
1438 for (i = 0; i < em->n_clients; i++)
1439 echo_send_connect (em, em->uri, SESSION_INVALID_INDEX);
1441 if (wait_for_state_change (em, STATE_READY, TIMEOUT))
1443 ECHO_FAIL ("Timeout waiting for state ready");
1447 echo_event_loop (em);
1451 server_run (echo_main_t * em)
1453 server_send_listen (em);
1454 if (wait_for_state_change (em, STATE_READY, 0))
1456 ECHO_FAIL ("Timeout waiting for state ready");
1459 echo_event_loop (em);
1462 server_send_unbind (em);
1463 wait_for_state_change (em, STATE_DISCONNECTED, TIMEOUT);
1468 * Session API handlers
1474 vl_api_application_attach_reply_t_handler (vl_api_application_attach_reply_t *
1477 echo_main_t *em = &echo_main;
1481 segment_handle = clib_net_to_host_u64 (mp->segment_handle);
1482 DBG ("Attached returned app %u", htons (mp->app_index));
1486 ECHO_FAIL ("attach failed: %U", format_api_error,
1487 clib_net_to_host_u32 (mp->retval));
1491 if (mp->segment_name_length == 0)
1493 ECHO_FAIL ("segment_name_length zero");
1497 ASSERT (mp->app_event_queue_address);
1498 em->our_event_queue = uword_to_pointer (mp->app_event_queue_address,
1503 vec_validate (fds, mp->n_fds);
1504 vl_socket_client_recv_fd_msg (fds, mp->n_fds, 5);
1506 if (mp->fd_flags & SESSION_FD_F_VPP_MQ_SEGMENT)
1507 if (ssvm_segment_attach (0, SSVM_SEGMENT_MEMFD, fds[n_fds++]))
1509 ECHO_FAIL ("svm_fifo_segment_attach failed");
1513 if (mp->fd_flags & SESSION_FD_F_MEMFD_SEGMENT)
1514 if (ssvm_segment_attach ((char *) mp->segment_name,
1515 SSVM_SEGMENT_MEMFD, fds[n_fds++]))
1517 ECHO_FAIL ("svm_fifo_segment_attach ('%s') failed",
1521 if (mp->fd_flags & SESSION_FD_F_MQ_EVENTFD)
1522 svm_msg_q_set_consumer_eventfd (em->our_event_queue, fds[n_fds++]);
1528 if (ssvm_segment_attach ((char *) mp->segment_name, SSVM_SEGMENT_SHM,
1531 ECHO_FAIL ("svm_fifo_segment_attach ('%s') failed",
1536 clib_spinlock_lock (&em->segment_handles_lock);
1537 hash_set (em->shared_segment_handles, segment_handle, 1);
1538 clib_spinlock_unlock (&em->segment_handles_lock);
1539 DBG ("Mapped segment 0x%lx", segment_handle);
1541 em->state = STATE_ATTACHED;
1545 vl_api_application_detach_reply_t_handler (vl_api_application_detach_reply_t *
1550 ECHO_FAIL ("detach returned with err: %d", mp->retval);
1553 echo_main.state = STATE_DETACHED;
1558 vl_api_unmap_segment_t_handler (vl_api_unmap_segment_t * mp)
1560 echo_main_t *em = &echo_main;
1561 u64 segment_handle = clib_net_to_host_u64 (mp->segment_handle);
1563 clib_spinlock_lock (&em->segment_handles_lock);
1564 hash_unset (em->shared_segment_handles, segment_handle);
1565 clib_spinlock_unlock (&em->segment_handles_lock);
1566 DBG ("Unmaped segment 0x%lx", segment_handle);
1570 vl_api_map_another_segment_t_handler (vl_api_map_another_segment_t * mp)
1572 fifo_segment_main_t *sm = &echo_main.segment_main;
1573 fifo_segment_create_args_t _a, *a = &_a;
1574 echo_main_t *em = &echo_main;
1576 char *seg_name = (char *) mp->segment_name;
1577 u64 segment_handle = clib_net_to_host_u64 (mp->segment_handle);
1579 if (mp->fd_flags & SESSION_FD_F_MEMFD_SEGMENT)
1581 vec_validate (fds, 1);
1582 vl_socket_client_recv_fd_msg (fds, 1, 5);
1583 if (ssvm_segment_attach (seg_name, SSVM_SEGMENT_MEMFD, fds[0]))
1585 ECHO_FAIL ("svm_fifo_segment_attach ('%s')"
1586 "failed on SSVM_SEGMENT_MEMFD", seg_name);
1593 clib_memset (a, 0, sizeof (*a));
1594 a->segment_name = seg_name;
1595 a->segment_size = mp->segment_size;
1596 /* Attach to the segment vpp created */
1597 if (fifo_segment_attach (sm, a))
1599 ECHO_FAIL ("svm_fifo_segment_attach ('%s') failed", seg_name);
1603 clib_spinlock_lock (&em->segment_handles_lock);
1604 hash_set (em->shared_segment_handles, segment_handle, 1);
1605 clib_spinlock_unlock (&em->segment_handles_lock);
1606 DBG ("Mapped segment 0x%lx", segment_handle);
1610 vl_api_bind_uri_reply_t_handler (vl_api_bind_uri_reply_t * mp)
1612 echo_main_t *em = &echo_main;
1615 ECHO_FAIL ("bind failed: %U", format_api_error,
1616 clib_net_to_host_u32 (mp->retval));
1620 em->state = STATE_LISTEN;
1624 vl_api_unbind_uri_reply_t_handler (vl_api_unbind_uri_reply_t * mp)
1626 echo_session_t *listen_session;
1627 echo_main_t *em = &echo_main;
1628 if (mp->retval != 0)
1630 /* ECHO_FAIL ("returned %d", ntohl (mp->retval));
1631 return; FIXME : UDPC issue */
1633 em->state = STATE_DISCONNECTED;
1634 listen_session = pool_elt_at_index (em->sessions, em->listen_session_index);
1635 echo_cleanup_session (em, listen_session);
1639 vl_api_disconnect_session_reply_t_handler (vl_api_disconnect_session_reply_t *
1642 echo_main_t *em = &echo_main;
1648 ECHO_FAIL ("vpp complained about disconnect: %d", ntohl (mp->retval));
1652 DBG ("Got disonnected reply for session 0x%lx", mp->handle);
1653 p = hash_get (em->session_index_by_vpp_handles, mp->handle);
1656 ECHO_FAIL ("couldn't find session key %llx", mp->handle);
1660 s = pool_elt_at_index (em->sessions, p[0]);
1661 echo_cleanup_session (em, s);
1665 vl_api_application_tls_cert_add_reply_t_handler
1666 (vl_api_application_tls_cert_add_reply_t * mp)
1669 ECHO_FAIL ("failed to add tls cert");
1673 vl_api_application_tls_key_add_reply_t_handler
1674 (vl_api_application_tls_key_add_reply_t * mp)
1677 ECHO_FAIL ("failed to add tls key");
1680 #define foreach_quic_echo_msg \
1681 _(BIND_URI_REPLY, bind_uri_reply) \
1682 _(UNBIND_URI_REPLY, unbind_uri_reply) \
1683 _(DISCONNECT_SESSION_REPLY, disconnect_session_reply) \
1684 _(APPLICATION_ATTACH_REPLY, application_attach_reply) \
1685 _(APPLICATION_DETACH_REPLY, application_detach_reply) \
1686 _(MAP_ANOTHER_SEGMENT, map_another_segment) \
1687 _(UNMAP_SEGMENT, unmap_segment) \
1688 _(APPLICATION_TLS_CERT_ADD_REPLY, application_tls_cert_add_reply) \
1689 _(APPLICATION_TLS_KEY_ADD_REPLY, application_tls_key_add_reply) \
1692 quic_echo_api_hookup (echo_main_t * em)
1695 vl_msg_api_set_handlers(VL_API_##N, #n, \
1696 vl_api_##n##_t_handler, \
1698 vl_api_##n##_t_endian, \
1699 vl_api_##n##_t_print, \
1700 sizeof(vl_api_##n##_t), 1);
1701 foreach_quic_echo_msg;
1707 * End Session API handlers
1712 print_usage_and_exit (void)
1715 "quic_echo [socket-name SOCKET] [client|server] [uri URI] [OPTIONS]\n"
1717 " socket-name PATH Specify the binary socket path to connect to VPP\n"
1718 " use-svm-api Use SVM API to connect to VPP\n"
1719 " test-bytes[:assert] Check data correctness when receiving (assert fails on first error)\n"
1720 " fifo-size N Use N Kb fifos\n"
1721 " rx-buf N Use N Kb RX buffer\n"
1722 " tx-buf N Use N Kb TX test buffer\n"
1723 " appns NAMESPACE Use the namespace NAMESPACE\n"
1724 " all-scope all-scope option\n"
1725 " local-scope local-scope option\n"
1726 " global-scope global-scope option\n"
1727 " secret SECRET set namespace secret\n"
1728 " chroot prefix PATH Use PATH as memory root path\n"
1729 " quic-setup OPT OPT=serverstream : Client open N connections. On each one server opens M streams\n"
1730 " by default : Client open N connections. On each one client opens M streams\n"
1732 " nclients N[/M] Open N QUIC connections, each one with M streams (M defaults to 1)\n"
1733 " TX=1337[Kb|Mb|GB] Send 1337 [K|M|G]bytes, use TX=RX to reflect the data\n"
1734 " RX=1337[Kb|Mb|GB] Expect 1337 [K|M|G]bytes\n"
1736 "Default config is :\n"
1737 "server nclients 1/1 RX=64Kb TX=RX\n"
1738 "client nclients 1/1 RX=64Kb TX=64Kb\n");
1744 quic_echo_process_opts (int argc, char **argv)
1746 echo_main_t *em = &echo_main;
1747 unformat_input_t _argv, *a = &_argv;
1752 unformat_init_command_line (a, argv);
1753 while (unformat_check_input (a) != UNFORMAT_END_OF_INPUT)
1755 if (unformat (a, "chroot prefix %s", &chroot_prefix))
1757 vl_set_memory_root_path ((char *) chroot_prefix);
1759 else if (unformat (a, "uri %s", &uri))
1760 em->uri = format (0, "%s%c", uri, 0);
1761 else if (unformat (a, "server"))
1762 em->i_am_master = 1;
1763 else if (unformat (a, "client"))
1764 em->i_am_master = 0;
1765 else if (unformat (a, "test-bytes:assert"))
1766 em->test_return_packets = RETURN_PACKETS_ASSERT;
1767 else if (unformat (a, "test-bytes"))
1768 em->test_return_packets = RETURN_PACKETS_LOG_WRONG;
1769 else if (unformat (a, "socket-name %s", &em->socket_name))
1771 else if (unformat (a, "use-svm-api"))
1772 em->use_sock_api = 0;
1773 else if (unformat (a, "fifo-size %d", &tmp))
1774 em->fifo_size = tmp << 10;
1775 else if (unformat (a, "rx-buf %d", &tmp))
1776 em->rx_buf_size = tmp << 10;
1777 else if (unformat (a, "tx-buf %d", &tmp))
1778 em->rx_buf_size = tmp << 10;
1781 (a, "nclients %d/%d", &em->n_clients, &em->n_stream_clients))
1783 else if (unformat (a, "nclients %d", &em->n_clients))
1785 else if (unformat (a, "appns %_%v%_", &em->appns_id))
1787 else if (unformat (a, "all-scope"))
1788 em->appns_flags |= (APP_OPTIONS_FLAGS_USE_GLOBAL_SCOPE
1789 | APP_OPTIONS_FLAGS_USE_LOCAL_SCOPE);
1790 else if (unformat (a, "local-scope"))
1791 em->appns_flags = APP_OPTIONS_FLAGS_USE_LOCAL_SCOPE;
1792 else if (unformat (a, "global-scope"))
1793 em->appns_flags = APP_OPTIONS_FLAGS_USE_GLOBAL_SCOPE;
1794 else if (unformat (a, "secret %lu", &em->appns_secret))
1796 else if (unformat (a, "quic-setup %U", echo_unformat_quic_setup_vft))
1798 else if (unformat (a, "TX=RX"))
1799 em->data_source = ECHO_RX_DATA_SOURCE;
1800 else if (unformat (a, "TX=%U", unformat_data, &em->bytes_to_send))
1802 else if (unformat (a, "RX=%U", unformat_data, &em->bytes_to_receive))
1804 else if (unformat (a, "time %U:%U",
1805 echo_unformat_timing_event, &em->timing_start_event,
1806 echo_unformat_timing_event, &em->timing_end_event))
1809 print_usage_and_exit ();
1812 if (em->bytes_to_receive == (u64) ~ 0)
1813 em->bytes_to_receive = 64 << 10; /* default */
1814 if (em->bytes_to_send == (u64) ~ 0)
1815 em->bytes_to_send = 64 << 10; /* default */
1816 else if (em->bytes_to_send == 0)
1817 em->data_source = ECHO_NO_DATA_SOURCE;
1819 em->data_source = ECHO_TEST_DATA_SOURCE;
1821 if (em->data_source == ECHO_INVALID_DATA_SOURCE)
1823 em->i_am_master ? ECHO_RX_DATA_SOURCE : ECHO_TEST_DATA_SOURCE;
1824 if (em->data_source == ECHO_RX_DATA_SOURCE)
1825 em->bytes_to_send = em->bytes_to_receive;
1827 em->send_disconnects = !em->i_am_master;
1831 main (int argc, char **argv)
1833 echo_main_t *em = &echo_main;
1834 fifo_segment_main_t *sm = &em->segment_main;
1838 clib_mem_init_thread_safe (0, 256 << 20);
1839 clib_memset (em, 0, sizeof (*em));
1840 em->session_index_by_vpp_handles = hash_create (0, sizeof (uword));
1841 em->shared_segment_handles = hash_create (0, sizeof (uword));
1842 em->my_pid = getpid ();
1843 em->socket_name = format (0, "%s%c", API_SOCKET_FILE, 0);
1844 em->use_sock_api = 1;
1845 em->fifo_size = 64 << 10;
1847 em->n_stream_clients = 1;
1848 em->max_test_msg = 50;
1849 em->time_to_stop = 0;
1850 em->i_am_master = 1;
1851 em->test_return_packets = RETURN_PACKETS_NOTEST;
1852 em->timing_start_event = ECHO_EVT_FIRST_QCONNECT;
1853 em->timing_end_event = ECHO_EVT_LAST_BYTE;
1854 em->bytes_to_receive = ~0; /* defaulted when we know if server/client */
1855 em->bytes_to_send = ~0; /* defaulted when we know if server/client */
1856 em->rx_buf_size = 1 << 20;
1857 em->tx_buf_size = 1 << 20;
1858 em->data_source = ECHO_INVALID_DATA_SOURCE;
1859 em->uri = format (0, "%s%c", "quic://0.0.0.0/1234", 0);
1860 em->cb_vft = default_cb_vft;
1861 quic_echo_process_opts (argc, argv);
1863 n_clients = em->n_clients * em->n_stream_clients;
1864 vec_validate (em->client_thread_handles, n_clients - 1);
1865 vec_validate (em->thread_args, n_clients - 1);
1866 clib_time_init (&em->clib_time);
1867 init_error_string_table (em);
1868 fifo_segment_main_init (sm, HIGH_SEGMENT_BASEVA, 20);
1869 clib_spinlock_init (&em->segment_handles_lock);
1870 vec_validate (em->connect_test_data, em->tx_buf_size);
1871 for (i = 0; i < em->tx_buf_size; i++)
1872 em->connect_test_data[i] = i & 0xff;
1874 setup_signal_handlers ();
1875 quic_echo_api_hookup (em);
1877 app_name = em->i_am_master ? "quic_echo_server" : "quic_echo_client";
1878 if (connect_to_vpp (app_name) < 0)
1881 fformat (stderr, "Couldn't connect to vpe, exiting...\n");
1885 quic_echo_notify_event (em, ECHO_EVT_START);
1887 application_send_attach (em);
1888 if (wait_for_state_change (em, STATE_ATTACHED, TIMEOUT))
1890 fformat (stderr, "Couldn't attach to vpp, exiting...\n");
1893 if (em->i_am_master)
1897 quic_echo_notify_event (em, ECHO_EVT_EXIT);
1898 print_global_stats (em);
1899 echo_free_sessions (em);
1900 echo_assert_test_suceeded (em);
1901 application_detach (em);
1902 if (wait_for_state_change (em, STATE_DETACHED, TIMEOUT))
1904 fformat (stderr, "Couldn't detach to vpp, exiting...\n");
1907 if (em->use_sock_api)
1908 vl_socket_client_disconnect ();
1910 vl_client_disconnect_from_vlib ();
1911 fformat (stdout, "Test complete !\n");
1912 exit (em->has_failed);
1916 * fd.io coding-style-patch-verification: ON
1919 * eval: (c-set-style "gnu")