2 * Copyright (c) 2016 Cisco and/or its affiliates.
3 * Licensed under the Apache License, Version 2.0 (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 <svm/svm_fifo_segment.h>
20 #include <vlibmemory/api.h>
21 #include <vpp/api/vpe_msg_enum.h>
22 #include <vnet/session/application_interface.h>
23 #include <uri/vppcom.h>
24 #include <vlib/unix/unix.h>
25 #include <vppinfra/vec_bootstrap.h>
27 #define vl_typedefs /* define message structures */
28 #include <vpp/api/vpe_all_api_h.h>
31 /* declare message handlers for each api */
33 #define vl_endianfun /* define message structures */
34 #include <vpp/api/vpe_all_api_h.h>
37 /* instantiate all the print functions we know about */
38 #define vl_print(handle, ...)
40 #include <vpp/api/vpe_all_api_h.h>
44 /* Set VPPCOM_DEBUG 2 for connection debug, 3 for read/write debug output */
45 #define VPPCOM_DEBUG 1
47 #define VPPCOM_DEBUG 0
51 * VPPCOM Private definitions and functions.
73 volatile session_state_t state;
75 svm_fifo_t *server_rx_fifo;
76 svm_fifo_t *server_tx_fifo;
78 u64 vpp_session_handle;
79 unix_shared_memory_queue_t *event_queue;
81 /* Socket configuration state */
91 u64 client_queue_address;
95 typedef struct vppcom_cfg_t_
100 u32 add_segment_size;
101 u32 preallocated_fifo_pairs;
104 u32 event_queue_size;
105 u32 listen_queue_size;
111 typedef struct vppcom_main_t_
114 u32 *client_session_index_fifo;
115 volatile u32 bind_session_index;
119 /* vpe input queue */
120 unix_shared_memory_queue_t *vl_input_queue;
122 /* API client handle */
126 clib_spinlock_t sessions_lockp;
129 /* Hash table for disconnect processing */
130 uword *session_index_by_vpp_handles;
133 clib_bitmap_t *rd_bitmap;
134 clib_bitmap_t *wr_bitmap;
135 clib_bitmap_t *ex_bitmap;
137 /* Our event queue */
138 unix_shared_memory_queue_t *app_event_queue;
140 /* unique segment name counter */
141 u32 unique_segment_index;
145 /* For deadman timers */
146 clib_time_t clib_time;
148 /* State of the connection, shared between msg RX thread and main thread */
149 volatile app_state_t app_state;
153 /* VNET_API_ERROR_FOO -> "Foo" hash table */
154 uword *error_string_by_error_number;
157 vppcom_main_t vppcom_main = {.my_client_index = ~0 };
160 vppcom_app_state_str (app_state_t state)
166 case STATE_APP_START:
167 st = "STATE_APP_START";
170 case STATE_APP_CONN_VPP:
171 st = "STATE_APP_CONN_VPP";
174 case STATE_APP_ENABLED:
175 st = "STATE_APP_ENABLED";
178 case STATE_APP_ATTACHED:
179 st = "STATE_APP_ATTACHED";
183 st = "UNKNOWN_APP_STATE";
191 vppcom_session_state_str (session_state_t state)
202 st = "STATE_CONNECT";
213 case STATE_DISCONNECT:
214 st = "STATE_DISCONNECT";
222 st = "UNKNOWN_STATE";
230 * VPPCOM Utility Functions
233 vppcom_session_at_index (u32 session_index, session_t * volatile *sess)
235 vppcom_main_t *vcm = &vppcom_main;
237 /* Assumes that caller has acquired spinlock: vcm->sessions_lockp */
238 if (PREDICT_FALSE ((session_index == ~0) ||
239 pool_is_free_index (vcm->sessions, session_index)))
241 clib_warning ("[%d] invalid session, sid (%d) has been closed!",
242 vcm->my_pid, session_index);
243 return VPPCOM_EBADFD;
245 *sess = pool_elt_at_index (vcm->sessions, session_index);
250 vppcom_connect_to_vpp (char *app_name)
252 api_main_t *am = &api_main;
253 vppcom_main_t *vcm = &vppcom_main;
255 if (VPPCOM_DEBUG > 0)
256 printf ("\nConnecting to VPP api...");
257 if (vl_client_connect_to_vlib ("/vpe-api", app_name, 32) < 0)
259 clib_warning ("[%d] connect to vpp (%s) failed!",
260 vcm->my_pid, app_name);
261 return VPPCOM_ECONNREFUSED;
264 vcm->vl_input_queue = am->shmem_hdr->vl_input_queue;
265 vcm->my_client_index = am->my_client_index;
266 if (VPPCOM_DEBUG > 0)
267 printf (" connected!\n");
269 vcm->app_state = STATE_APP_CONN_VPP;
274 format_api_error (u8 * s, va_list * args)
276 vppcom_main_t *vcm = &vppcom_main;
277 i32 error = va_arg (*args, u32);
280 p = hash_get (vcm->error_string_by_error_number, -error);
283 s = format (s, "%s (%d)", p[0], error);
285 s = format (s, "%d", error);
290 vppcom_init_error_string_table (void)
292 vppcom_main_t *vcm = &vppcom_main;
294 vcm->error_string_by_error_number = hash_create (0, sizeof (uword));
296 #define _(n,v,s) hash_set (vcm->error_string_by_error_number, -v, s);
297 foreach_vnet_api_error;
300 hash_set (vcm->error_string_by_error_number, 99, "Misc");
304 vppcom_wait_for_app_state_change (app_state_t app_state)
306 vppcom_main_t *vcm = &vppcom_main;
307 f64 timeout = clib_time_now (&vcm->clib_time) + vcm->cfg.app_timeout;
309 while (clib_time_now (&vcm->clib_time) < timeout)
311 if (vcm->app_state == app_state)
314 if (VPPCOM_DEBUG > 0)
315 clib_warning ("[%d] timeout waiting for state %s (%d)", vcm->my_pid,
316 vppcom_app_state_str (app_state), app_state);
317 return VPPCOM_ETIMEDOUT;
321 vppcom_wait_for_session_state_change (u32 session_index,
322 session_state_t state,
325 vppcom_main_t *vcm = &vppcom_main;
326 f64 timeout = clib_time_now (&vcm->clib_time) + wait_for_time;
327 session_t *volatile session;
332 clib_spinlock_lock (&vcm->sessions_lockp);
333 rv = vppcom_session_at_index (session_index, &session);
334 if (PREDICT_FALSE (rv))
336 clib_spinlock_unlock (&vcm->sessions_lockp);
339 if (session->state == state)
341 clib_spinlock_unlock (&vcm->sessions_lockp);
344 clib_spinlock_unlock (&vcm->sessions_lockp);
346 while (clib_time_now (&vcm->clib_time) < timeout);
348 if (VPPCOM_DEBUG > 0)
349 clib_warning ("[%d] timeout waiting for state %s (%d)", vcm->my_pid,
350 vppcom_session_state_str (state), state);
351 return VPPCOM_ETIMEDOUT;
355 vppcom_wait_for_client_session_index (f64 wait_for_time)
357 vppcom_main_t *vcm = &vppcom_main;
358 f64 timeout = clib_time_now (&vcm->clib_time) + wait_for_time;
362 if (clib_fifo_elts (vcm->client_session_index_fifo))
365 while (clib_time_now (&vcm->clib_time) < timeout);
367 if (wait_for_time == 0)
368 return VPPCOM_EAGAIN;
370 if (VPPCOM_DEBUG > 0)
371 clib_warning ("[%d] timeout waiting for client_session_index",
373 return VPPCOM_ETIMEDOUT;
377 * VPP-API message functions
380 vppcom_send_session_enable_disable (u8 is_enable)
382 vppcom_main_t *vcm = &vppcom_main;
383 vl_api_session_enable_disable_t *bmp;
384 bmp = vl_msg_api_alloc (sizeof (*bmp));
385 memset (bmp, 0, sizeof (*bmp));
387 bmp->_vl_msg_id = ntohs (VL_API_SESSION_ENABLE_DISABLE);
388 bmp->client_index = vcm->my_client_index;
389 bmp->context = htonl (0xfeedface);
390 bmp->is_enable = is_enable;
391 vl_msg_api_send_shmem (vcm->vl_input_queue, (u8 *) & bmp);
395 vppcom_app_session_enable (void)
397 vppcom_main_t *vcm = &vppcom_main;
400 if (vcm->app_state != STATE_APP_ENABLED)
402 vppcom_send_session_enable_disable (1 /* is_enabled == TRUE */ );
403 rv = vppcom_wait_for_app_state_change (STATE_APP_ENABLED);
404 if (PREDICT_FALSE (rv))
406 if (VPPCOM_DEBUG > 0)
407 clib_warning ("[%d] Session enable timed out, rv = %s (%d)",
408 vcm->my_pid, vppcom_retval_str (rv), rv);
416 vl_api_session_enable_disable_reply_t_handler
417 (vl_api_session_enable_disable_reply_t * mp)
419 vppcom_main_t *vcm = &vppcom_main;
423 clib_warning ("[%d] session_enable_disable failed: %U", vcm->my_pid,
424 format_api_error, ntohl (mp->retval));
427 vcm->app_state = STATE_APP_ENABLED;
431 vppcom_app_send_attach (void)
433 vppcom_main_t *vcm = &vppcom_main;
434 vl_api_application_attach_t *bmp;
435 bmp = vl_msg_api_alloc (sizeof (*bmp));
436 memset (bmp, 0, sizeof (*bmp));
438 bmp->_vl_msg_id = ntohs (VL_API_APPLICATION_ATTACH);
439 bmp->client_index = vcm->my_client_index;
440 bmp->context = htonl (0xfeedface);
441 bmp->options[APP_OPTIONS_FLAGS] =
442 APP_OPTIONS_FLAGS_USE_FIFO | APP_OPTIONS_FLAGS_ADD_SEGMENT;
443 bmp->options[SESSION_OPTIONS_SEGMENT_SIZE] = vcm->cfg.segment_size;
444 bmp->options[SESSION_OPTIONS_ADD_SEGMENT_SIZE] = vcm->cfg.add_segment_size;
445 bmp->options[SESSION_OPTIONS_RX_FIFO_SIZE] = vcm->cfg.rx_fifo_size;
446 bmp->options[SESSION_OPTIONS_TX_FIFO_SIZE] = vcm->cfg.tx_fifo_size;
447 vl_msg_api_send_shmem (vcm->vl_input_queue, (u8 *) & bmp);
451 vppcom_app_attach (void)
453 vppcom_main_t *vcm = &vppcom_main;
456 vppcom_app_send_attach ();
457 rv = vppcom_wait_for_app_state_change (STATE_APP_ATTACHED);
458 if (PREDICT_FALSE (rv))
460 if (VPPCOM_DEBUG > 0)
461 clib_warning ("[%d] application attach timed out, rv = %s (%d)",
462 vcm->my_pid, vppcom_retval_str (rv), rv);
469 vppcom_app_detach (void)
471 vppcom_main_t *vcm = &vppcom_main;
472 vl_api_application_detach_t *bmp;
473 bmp = vl_msg_api_alloc (sizeof (*bmp));
474 memset (bmp, 0, sizeof (*bmp));
476 bmp->_vl_msg_id = ntohs (VL_API_APPLICATION_DETACH);
477 bmp->client_index = vcm->my_client_index;
478 bmp->context = htonl (0xfeedface);
479 vl_msg_api_send_shmem (vcm->vl_input_queue, (u8 *) & bmp);
483 vl_api_application_attach_reply_t_handler (vl_api_application_attach_reply_t *
486 vppcom_main_t *vcm = &vppcom_main;
487 static svm_fifo_segment_create_args_t _a;
488 svm_fifo_segment_create_args_t *a = &_a;
491 memset (a, 0, sizeof (*a));
494 clib_warning ("[%d] attach failed: %U", vcm->my_pid,
495 format_api_error, ntohl (mp->retval));
499 if (mp->segment_name_length == 0)
501 clib_warning ("[%d] segment_name_length zero", vcm->my_pid);
505 a->segment_name = (char *) mp->segment_name;
506 a->segment_size = mp->segment_size;
508 ASSERT (mp->app_event_queue_address);
510 /* Attach to the segment vpp created */
511 rv = svm_fifo_segment_attach (a);
512 vec_reset_length (a->new_segment_indices);
513 if (PREDICT_FALSE (rv))
515 clib_warning ("[%d] svm_fifo_segment_attach ('%s') failed", vcm->my_pid,
520 vcm->app_event_queue =
521 uword_to_pointer (mp->app_event_queue_address,
522 unix_shared_memory_queue_t *);
524 vcm->app_state = STATE_APP_ATTACHED;
528 vl_api_application_detach_reply_t_handler (vl_api_application_detach_reply_t *
531 vppcom_main_t *vcm = &vppcom_main;
534 clib_warning ("[%d] detach failed: %U", vcm->my_pid, format_api_error,
537 vcm->app_state = STATE_APP_ENABLED;
541 vl_api_disconnect_session_reply_t_handler (vl_api_disconnect_session_reply_t *
544 vppcom_main_t *vcm = &vppcom_main;
547 p = hash_get (vcm->session_index_by_vpp_handles, mp->handle);
550 session_t *session = 0;
552 clib_spinlock_lock (&vcm->sessions_lockp);
553 rv = vppcom_session_at_index (p[0], &session);
554 if (PREDICT_FALSE (rv))
556 if (VPPCOM_DEBUG > 1)
557 clib_warning ("[%d] invalid session, sid (%d) has been closed!",
560 hash_unset (vcm->session_index_by_vpp_handles, mp->handle);
561 session->state = STATE_DISCONNECT;
562 clib_spinlock_unlock (&vcm->sessions_lockp);
566 if (VPPCOM_DEBUG > 1)
567 clib_warning ("[%d] couldn't find session key %llx", vcm->my_pid,
572 clib_warning ("[%d] disconnect_session failed: %U", vcm->my_pid,
573 format_api_error, ntohl (mp->retval));
577 vl_api_map_another_segment_t_handler (vl_api_map_another_segment_t * mp)
579 vppcom_main_t *vcm = &vppcom_main;
580 static svm_fifo_segment_create_args_t _a;
581 svm_fifo_segment_create_args_t *a = &_a;
584 memset (a, 0, sizeof (*a));
585 a->segment_name = (char *) mp->segment_name;
586 a->segment_size = mp->segment_size;
587 /* Attach to the segment vpp created */
588 rv = svm_fifo_segment_attach (a);
589 vec_reset_length (a->new_segment_indices);
590 if (PREDICT_FALSE (rv))
592 clib_warning ("[%d] svm_fifo_segment_attach ('%s') failed",
593 vcm->my_pid, mp->segment_name);
596 if (VPPCOM_DEBUG > 1)
597 clib_warning ("[%d] mapped new segment '%s' size %d", vcm->my_pid,
598 mp->segment_name, mp->segment_size);
602 vl_api_disconnect_session_t_handler (vl_api_disconnect_session_t * mp)
604 vppcom_main_t *vcm = &vppcom_main;
605 session_t *session = 0;
606 vl_api_disconnect_session_reply_t *rmp;
610 p = hash_get (vcm->session_index_by_vpp_handles, mp->handle);
614 clib_spinlock_lock (&vcm->sessions_lockp);
615 rval = vppcom_session_at_index (p[0], &session);
616 if (PREDICT_FALSE (rval))
618 if (VPPCOM_DEBUG > 1)
619 clib_warning ("[%d] invalid session, sid (%d) has been closed!",
623 pool_put (vcm->sessions, session);
624 clib_spinlock_unlock (&vcm->sessions_lockp);
625 hash_unset (vcm->session_index_by_vpp_handles, mp->handle);
629 clib_warning ("[%d] couldn't find session key %llx", vcm->my_pid,
634 rmp = vl_msg_api_alloc (sizeof (*rmp));
635 memset (rmp, 0, sizeof (*rmp));
637 rmp->_vl_msg_id = ntohs (VL_API_DISCONNECT_SESSION_REPLY);
638 rmp->retval = htonl (rv);
639 rmp->handle = mp->handle;
640 vl_msg_api_send_shmem (vcm->vl_input_queue, (u8 *) & rmp);
644 vl_api_reset_session_t_handler (vl_api_reset_session_t * mp)
646 vppcom_main_t *vcm = &vppcom_main;
647 session_t *session = 0;
648 vl_api_reset_session_reply_t *rmp;
652 p = hash_get (vcm->session_index_by_vpp_handles, mp->handle);
656 clib_spinlock_lock (&vcm->sessions_lockp);
657 rval = vppcom_session_at_index (p[0], &session);
658 if (PREDICT_FALSE (rval))
660 if (VPPCOM_DEBUG > 1)
661 clib_warning ("[%d] invalid session, sid (%d) has been closed!",
665 pool_put (vcm->sessions, session);
666 clib_spinlock_unlock (&vcm->sessions_lockp);
667 hash_unset (vcm->session_index_by_vpp_handles, mp->handle);
671 clib_warning ("[%d] couldn't find session key %llx", vcm->my_pid,
676 rmp = vl_msg_api_alloc (sizeof (*rmp));
677 memset (rmp, 0, sizeof (*rmp));
678 rmp->_vl_msg_id = ntohs (VL_API_RESET_SESSION_REPLY);
679 rmp->retval = htonl (rv);
680 rmp->handle = mp->handle;
681 vl_msg_api_send_shmem (vcm->vl_input_queue, (u8 *) & rmp);
685 vl_api_connect_sock_reply_t_handler (vl_api_connect_sock_reply_t * mp)
687 vppcom_main_t *vcm = &vppcom_main;
690 svm_fifo_t *rx_fifo, *tx_fifo;
696 clib_warning ("[%d] connect failed: %U", vcm->my_pid, format_api_error,
701 session_index = ntohl (mp->app_connect);
702 if (VPPCOM_DEBUG > 1)
703 clib_warning ("[%d] app_connect = %d 0x%08x", vcm->my_pid,
704 session_index, session_index);
706 clib_spinlock_lock (&vcm->sessions_lockp);
707 if (pool_is_free_index (vcm->sessions, session_index))
709 clib_spinlock_unlock (&vcm->sessions_lockp);
710 if (VPPCOM_DEBUG > 1)
711 clib_warning ("[%d] invalid session, sid %d is closed!",
712 vcm->my_pid, session_index);
716 /* We've been redirected */
717 if (mp->segment_name_length > 0)
719 static svm_fifo_segment_create_args_t _a;
720 svm_fifo_segment_create_args_t *a = &_a;
723 memset (a, 0, sizeof (*a));
724 a->segment_name = (char *) mp->segment_name;
725 if (VPPCOM_DEBUG > 1)
726 clib_warning ("[%d] cut-thru segment: %s", vcm->my_pid,
728 rv = svm_fifo_segment_attach (a);
729 vec_reset_length (a->new_segment_indices);
730 if (PREDICT_FALSE (rv))
732 clib_warning ("[%d] sm_fifo_segment_attach ('%s') failed",
733 vcm->my_pid, a->segment_name);
741 if (VPPCOM_DEBUG > 1)
742 clib_warning ("[%d] client sid %d", vcm->my_pid, session_index);
744 session = pool_elt_at_index (vcm->sessions, session_index);
745 session->is_cut_thru = is_cut_thru;
746 session->event_queue = uword_to_pointer (mp->vpp_event_queue_address,
747 unix_shared_memory_queue_t *);
749 rx_fifo = uword_to_pointer (mp->server_rx_fifo, svm_fifo_t *);
750 rx_fifo->client_session_index = session_index;
751 tx_fifo = uword_to_pointer (mp->server_tx_fifo, svm_fifo_t *);
752 tx_fifo->client_session_index = session_index;
754 session->server_rx_fifo = rx_fifo;
755 session->server_tx_fifo = tx_fifo;
756 session->vpp_session_handle = mp->handle;
757 session->state = STATE_CONNECT;
759 /* Add it to lookup table */
760 hash_set (vcm->session_index_by_vpp_handles, mp->handle, session_index);
761 clib_spinlock_unlock (&vcm->sessions_lockp);
765 vppcom_send_connect_sock (session_t * session, u32 session_index)
767 vppcom_main_t *vcm = &vppcom_main;
768 vl_api_connect_sock_t *cmp;
770 /* Assumes caller as acquired the spinlock: vcm->sessions_lockp */
771 session->is_server = 0;
772 cmp = vl_msg_api_alloc (sizeof (*cmp));
773 memset (cmp, 0, sizeof (*cmp));
774 cmp->_vl_msg_id = ntohs (VL_API_CONNECT_SOCK);
775 cmp->client_index = vcm->my_client_index;
776 cmp->context = htonl (0xfeedface);
777 cmp->app_connect = session_index;
779 if (VPPCOM_DEBUG > 1)
780 clib_warning ("[%d] session_index = %d 0x%08x, app_connect = %d 0x%08x",
781 vcm->my_pid, session_index, session_index,
782 cmp->app_connect, cmp->app_connect);
784 cmp->vrf = session->vrf;
785 cmp->is_ip4 = session->is_ip4;
786 clib_memcpy (cmp->ip, session->ip, (session->is_ip4 ?
787 sizeof (ip4_address_t) :
788 sizeof (ip6_address_t)));
789 cmp->port = session->port;
790 cmp->proto = session->proto;
791 clib_memcpy (cmp->options, session->options, sizeof (cmp->options));
792 vl_msg_api_send_shmem (vcm->vl_input_queue, (u8 *) & cmp);
796 vppcom_send_disconnect (u32 session_index)
798 vppcom_main_t *vcm = &vppcom_main;
799 vl_api_disconnect_session_t *dmp;
800 session_t *session = 0;
803 clib_spinlock_lock (&vcm->sessions_lockp);
804 rv = vppcom_session_at_index (session_index, &session);
805 if (PREDICT_FALSE (rv))
807 clib_spinlock_unlock (&vcm->sessions_lockp);
808 if (VPPCOM_DEBUG > 1)
809 clib_warning ("[%d] invalid session, sid (%d) has been closed!",
810 vcm->my_pid, session_index);
814 dmp = vl_msg_api_alloc (sizeof (*dmp));
815 memset (dmp, 0, sizeof (*dmp));
816 dmp->_vl_msg_id = ntohs (VL_API_DISCONNECT_SESSION);
817 dmp->client_index = vcm->my_client_index;
818 dmp->handle = session->vpp_session_handle;
819 clib_spinlock_unlock (&vcm->sessions_lockp);
820 vl_msg_api_send_shmem (vcm->vl_input_queue, (u8 *) & dmp);
825 vl_api_bind_sock_reply_t_handler (vl_api_bind_sock_reply_t * mp)
827 vppcom_main_t *vcm = &vppcom_main;
828 session_t *session = 0;
832 clib_warning ("[%d] bind failed: %U", vcm->my_pid, format_api_error,
835 ASSERT (vcm->bind_session_index != ~0);
837 clib_spinlock_lock (&vcm->sessions_lockp);
838 rv = vppcom_session_at_index (vcm->bind_session_index, &session);
841 session->vpp_session_handle = mp->handle;
842 hash_set (vcm->session_index_by_vpp_handles, mp->handle,
843 vcm->bind_session_index);
844 session->state = mp->retval ? STATE_FAILED : STATE_LISTEN;
845 vcm->bind_session_index = ~0;
847 clib_spinlock_unlock (&vcm->sessions_lockp);
851 vl_api_unbind_sock_reply_t_handler (vl_api_unbind_sock_reply_t * mp)
853 vppcom_main_t *vcm = &vppcom_main;
854 session_t *session = 0;
857 clib_spinlock_lock (&vcm->sessions_lockp);
858 rv = vppcom_session_at_index (vcm->bind_session_index, &session);
859 if (PREDICT_FALSE (rv))
861 if (VPPCOM_DEBUG > 1)
862 clib_warning ("[%d] invalid session, sid (%d) has been closed!",
863 vcm->my_pid, vcm->bind_session_index);
867 clib_warning ("[%d] unbind failed: %U", vcm->my_pid, format_api_error,
870 vcm->bind_session_index = ~0;
871 session->state = STATE_START;
872 clib_spinlock_unlock (&vcm->sessions_lockp);
876 format_ip4_address (u8 * s, va_list * args)
878 u8 *a = va_arg (*args, u8 *);
879 return format (s, "%d.%d.%d.%d", a[0], a[1], a[2], a[3]);
883 format_ip6_address (u8 * s, va_list * args)
885 ip6_address_t *a = va_arg (*args, ip6_address_t *);
886 u32 i, i_max_n_zero, max_n_zeros, i_first_zero, n_zeros, last_double_colon;
888 i_max_n_zero = ARRAY_LEN (a->as_u16);
890 i_first_zero = i_max_n_zero;
892 for (i = 0; i < ARRAY_LEN (a->as_u16); i++)
894 u32 is_zero = a->as_u16[i] == 0;
895 if (is_zero && i_first_zero >= ARRAY_LEN (a->as_u16))
901 if ((!is_zero && n_zeros > max_n_zeros)
902 || (i + 1 >= ARRAY_LEN (a->as_u16) && n_zeros > max_n_zeros))
904 i_max_n_zero = i_first_zero;
905 max_n_zeros = n_zeros;
906 i_first_zero = ARRAY_LEN (a->as_u16);
911 last_double_colon = 0;
912 for (i = 0; i < ARRAY_LEN (a->as_u16); i++)
914 if (i == i_max_n_zero && max_n_zeros > 1)
916 s = format (s, "::");
917 i += max_n_zeros - 1;
918 last_double_colon = 1;
922 s = format (s, "%s%x",
923 (last_double_colon || i == 0) ? "" : ":",
924 clib_net_to_host_u16 (a->as_u16[i]));
925 last_double_colon = 0;
932 /* Format an IP46 address. */
934 format_ip46_address (u8 * s, va_list * args)
936 ip46_address_t *ip46 = va_arg (*args, ip46_address_t *);
937 ip46_type_t type = va_arg (*args, ip46_type_t);
943 is_ip4 = ip46_address_is_ip4 (ip46);
954 format (s, "%U", format_ip4_address, &ip46->ip4) :
955 format (s, "%U", format_ip6_address, &ip46->ip6);
959 vl_api_accept_session_t_handler (vl_api_accept_session_t * mp)
961 vppcom_main_t *vcm = &vppcom_main;
962 vl_api_accept_session_reply_t *rmp;
963 svm_fifo_t *rx_fifo, *tx_fifo;
968 if (!clib_fifo_free_elts (vcm->client_session_index_fifo))
970 clib_warning ("[%d] client session queue is full!", vcm->my_pid);
971 rv = VNET_API_ERROR_QUEUE_FULL;
975 if (VPPCOM_DEBUG > 1)
977 u8 *ip_str = format (0, "%U", format_ip46_address, &mp->ip, mp->is_ip4);
978 clib_warning ("[%d] accepted session from: %s:%d", vcm->my_pid, ip_str,
979 clib_net_to_host_u16 (mp->port));
983 clib_spinlock_lock (&vcm->sessions_lockp);
984 /* Allocate local session and set it up */
985 pool_get (vcm->sessions, session);
986 memset (session, 0, sizeof (*session));
987 session_index = session - vcm->sessions;
989 rx_fifo = uword_to_pointer (mp->server_rx_fifo, svm_fifo_t *);
990 rx_fifo->client_session_index = session_index;
991 tx_fifo = uword_to_pointer (mp->server_tx_fifo, svm_fifo_t *);
992 tx_fifo->client_session_index = session_index;
994 session->server_rx_fifo = rx_fifo;
995 session->server_tx_fifo = tx_fifo;
996 session->event_queue = uword_to_pointer (mp->vpp_event_queue_address,
997 unix_shared_memory_queue_t *);
998 session->state = STATE_ACCEPT;
999 session->is_cut_thru = 0;
1000 session->port = ntohs (mp->port);
1001 session->is_ip4 = mp->is_ip4;
1002 clib_memcpy (session->ip, mp->ip, (mp->is_ip4 ?
1003 sizeof (ip4_address_t) :
1004 sizeof (ip6_address_t)));
1005 clib_spinlock_unlock (&vcm->sessions_lockp);
1007 /* Add it to lookup table */
1008 hash_set (vcm->session_index_by_vpp_handles, mp->handle, session_index);
1010 clib_fifo_add1 (vcm->client_session_index_fifo, session_index);
1013 * Send accept reply to vpp
1016 rmp = vl_msg_api_alloc (sizeof (*rmp));
1017 memset (rmp, 0, sizeof (*rmp));
1018 rmp->_vl_msg_id = ntohs (VL_API_ACCEPT_SESSION_REPLY);
1019 rmp->retval = htonl (rv);
1020 rmp->handle = mp->handle;
1021 vl_msg_api_send_shmem (vcm->vl_input_queue, (u8 *) & rmp);
1025 * Acting as server for redirected connect requests
1028 vl_api_connect_sock_t_handler (vl_api_connect_sock_t * mp)
1030 static svm_fifo_segment_create_args_t _a;
1031 svm_fifo_segment_create_args_t *a = &_a;
1032 vppcom_main_t *vcm = &vppcom_main;
1034 svm_fifo_segment_private_t *seg;
1035 unix_shared_memory_queue_t *client_q;
1036 vl_api_connect_sock_reply_t *rmp;
1037 session_t *session = 0;
1039 svm_fifo_t *rx_fifo;
1040 svm_fifo_t *tx_fifo;
1041 unix_shared_memory_queue_t *event_q = 0;
1043 if (!clib_fifo_free_elts (vcm->client_session_index_fifo))
1045 if (VPPCOM_DEBUG > 1)
1046 clib_warning ("[%d] client session queue is full!", vcm->my_pid);
1047 rv = VNET_API_ERROR_QUEUE_FULL;
1051 /* Create the segment */
1052 memset (a, 0, sizeof (*a));
1053 a->segment_name = (char *) format ((u8 *) a->segment_name, "%d:segment%d%c",
1054 vcm->my_pid, vcm->unique_segment_index++,
1056 a->segment_size = vcm->cfg.segment_size;
1057 a->preallocated_fifo_pairs = vcm->cfg.preallocated_fifo_pairs;
1058 a->rx_fifo_size = vcm->cfg.rx_fifo_size;
1059 a->tx_fifo_size = vcm->cfg.tx_fifo_size;
1061 rv = svm_fifo_segment_create (a);
1062 if (PREDICT_FALSE (rv))
1064 if (VPPCOM_DEBUG > 1)
1065 clib_warning ("[%d] svm_fifo_segment_create ('%s') failed",
1066 vcm->my_pid, a->segment_name);
1067 vec_reset_length (a->new_segment_indices);
1068 rv = VNET_API_ERROR_URI_FIFO_CREATE_FAILED;
1072 if (VPPCOM_DEBUG > 1)
1073 clib_warning ("[%d] created segment '%s'", vcm->my_pid, a->segment_name);
1075 clib_spinlock_lock (&vcm->sessions_lockp);
1076 pool_get (vcm->sessions, session);
1077 memset (session, 0, sizeof (*session));
1078 session_index = session - vcm->sessions;
1080 session->sm_seg_index = a->new_segment_indices[0];
1081 vec_reset_length (a->new_segment_indices);
1083 seg = svm_fifo_get_segment (session->sm_seg_index);
1084 rx_fifo = session->server_rx_fifo =
1085 svm_fifo_segment_alloc_fifo (seg, vcm->cfg.rx_fifo_size,
1086 FIFO_SEGMENT_RX_FREELIST);
1087 if (PREDICT_FALSE (!session->server_rx_fifo))
1089 svm_fifo_segment_delete (seg);
1090 clib_warning ("[%d] rx fifo alloc failed, size %ld (0x%lx)",
1091 vcm->my_pid, vcm->cfg.rx_fifo_size,
1092 vcm->cfg.rx_fifo_size);
1093 rv = VNET_API_ERROR_URI_FIFO_CREATE_FAILED;
1094 clib_spinlock_unlock (&vcm->sessions_lockp);
1098 tx_fifo = session->server_tx_fifo =
1099 svm_fifo_segment_alloc_fifo (seg, vcm->cfg.tx_fifo_size,
1100 FIFO_SEGMENT_TX_FREELIST);
1101 if (PREDICT_FALSE (!session->server_tx_fifo))
1103 svm_fifo_segment_delete (seg);
1104 if (VPPCOM_DEBUG > 1)
1105 clib_warning ("[%d] tx fifo alloc failed, size %ld (0x%lx)",
1106 vcm->my_pid, vcm->cfg.tx_fifo_size,
1107 vcm->cfg.tx_fifo_size);
1108 rv = VNET_API_ERROR_URI_FIFO_CREATE_FAILED;
1109 clib_spinlock_unlock (&vcm->sessions_lockp);
1113 session->server_rx_fifo->master_session_index = session_index;
1114 session->server_tx_fifo->master_session_index = session_index;
1115 session->client_queue_address = mp->client_queue_address;
1116 session->is_cut_thru = 1;
1117 session->is_server = 1;
1118 session->is_ip4 = mp->is_ip4;
1119 session->port = mp->port;
1122 ssvm_shared_header_t *sh = seg->ssvm.sh;
1124 ssvm_lock_non_recursive (sh, 1);
1125 oldheap = ssvm_push_heap (sh);
1126 event_q = session->event_queue =
1127 unix_shared_memory_queue_init (vcm->cfg.event_queue_size,
1128 sizeof (session_fifo_event_t),
1129 vcm->my_pid, 0 /* signal not sent */ );
1130 ssvm_pop_heap (oldheap);
1131 ssvm_unlock_non_recursive (sh);
1133 clib_memcpy (session->ip, mp->ip, (mp->is_ip4 ?
1134 sizeof (ip4_address_t) :
1135 sizeof (ip6_address_t)));
1136 session->state = STATE_ACCEPT;
1137 if (VPPCOM_DEBUG > 1)
1138 clib_warning ("[%d] Connected cut-thru to client: sid %d",
1139 vcm->my_pid, session_index);
1140 clib_spinlock_unlock (&vcm->sessions_lockp);
1141 clib_fifo_add1 (vcm->client_session_index_fifo, session_index);
1144 rmp = vl_msg_api_alloc (sizeof (*rmp));
1145 memset (rmp, 0, sizeof (*rmp));
1147 rmp->_vl_msg_id = ntohs (VL_API_CONNECT_SOCK_REPLY);
1148 rmp->context = mp->context;
1149 rmp->app_connect = htonl (mp->app_connect);
1150 rmp->retval = htonl (rv);
1151 rmp->segment_name_length = vec_len (a->segment_name);
1152 clib_memcpy (rmp->segment_name, a->segment_name, vec_len (a->segment_name));
1153 vec_reset_length (a->segment_name);
1157 rmp->vpp_event_queue_address = pointer_to_uword (event_q);
1158 rmp->server_rx_fifo = pointer_to_uword (rx_fifo);
1159 rmp->server_tx_fifo = pointer_to_uword (tx_fifo);
1162 uword_to_pointer (mp->client_queue_address, unix_shared_memory_queue_t *);
1165 vl_msg_api_send_shmem (client_q, (u8 *) & rmp);
1169 vppcom_send_bind_sock (session_t * session)
1171 vppcom_main_t *vcm = &vppcom_main;
1172 vl_api_bind_sock_t *bmp;
1174 /* Assumes caller has acquired spinlock: vcm->sessions_lockp */
1175 session->is_server = 1;
1176 bmp = vl_msg_api_alloc (sizeof (*bmp));
1177 memset (bmp, 0, sizeof (*bmp));
1179 bmp->_vl_msg_id = ntohs (VL_API_BIND_SOCK);
1180 bmp->client_index = vcm->my_client_index;
1181 bmp->context = htonl (0xfeedface);
1182 bmp->vrf = session->vrf;
1183 bmp->is_ip4 = session->is_ip4;
1184 clib_memcpy (bmp->ip, session->ip, (session->is_ip4 ?
1185 sizeof (ip4_address_t) :
1186 sizeof (ip6_address_t)));
1187 bmp->port = session->port;
1188 bmp->proto = session->proto;
1189 clib_memcpy (bmp->options, session->options, sizeof (bmp->options));
1190 vl_msg_api_send_shmem (vcm->vl_input_queue, (u8 *) & bmp);
1194 vppcom_send_unbind_sock (u32 session_index)
1196 vppcom_main_t *vcm = &vppcom_main;
1197 vl_api_unbind_sock_t *ump;
1198 session_t *session = 0;
1201 clib_spinlock_lock (&vcm->sessions_lockp);
1202 rv = vppcom_session_at_index (session_index, &session);
1203 if (PREDICT_FALSE (rv))
1205 clib_spinlock_unlock (&vcm->sessions_lockp);
1206 if (VPPCOM_DEBUG > 0)
1207 clib_warning ("[%d] invalid session, sid (%d) has been closed!",
1208 vcm->my_pid, session_index);
1212 ump = vl_msg_api_alloc (sizeof (*ump));
1213 memset (ump, 0, sizeof (*ump));
1215 ump->_vl_msg_id = ntohs (VL_API_UNBIND_SOCK);
1216 ump->client_index = vcm->my_client_index;
1217 ump->handle = session->vpp_session_handle;
1218 clib_spinlock_unlock (&vcm->sessions_lockp);
1219 vl_msg_api_send_shmem (vcm->vl_input_queue, (u8 *) & ump);
1223 vppcom_session_unbind_cut_thru (session_t * session)
1225 svm_fifo_segment_main_t *sm = &svm_fifo_segment_main;
1226 svm_fifo_segment_private_t *seg;
1229 seg = vec_elt_at_index (sm->segments, session->sm_seg_index);
1230 svm_fifo_segment_free_fifo (seg, session->server_rx_fifo,
1231 FIFO_SEGMENT_RX_FREELIST);
1232 svm_fifo_segment_free_fifo (seg, session->server_tx_fifo,
1233 FIFO_SEGMENT_TX_FREELIST);
1234 svm_fifo_segment_delete (seg);
1240 vppcom_session_unbind (u32 session_index)
1242 vppcom_main_t *vcm = &vppcom_main;
1245 clib_spinlock_lock (&vcm->sessions_lockp);
1246 if (PREDICT_FALSE (pool_is_free_index (vcm->sessions, session_index)))
1248 clib_spinlock_unlock (&vcm->sessions_lockp);
1249 if (VPPCOM_DEBUG > 1)
1250 clib_warning ("[%d] invalid session, sid (%d) has been closed!",
1251 vcm->my_pid, session_index);
1252 return VPPCOM_EBADFD;
1254 clib_spinlock_unlock (&vcm->sessions_lockp);
1256 vcm->bind_session_index = session_index;
1257 vppcom_send_unbind_sock (session_index);
1258 rv = vppcom_wait_for_session_state_change (session_index, STATE_START,
1259 vcm->cfg.session_timeout);
1260 if (PREDICT_FALSE (rv))
1262 vcm->bind_session_index = ~0;
1263 if (VPPCOM_DEBUG > 0)
1264 clib_warning ("[%d] server unbind timed out, rv = %s (%d)",
1265 vcm->my_pid, vppcom_retval_str (rv), rv);
1272 vppcom_session_disconnect (u32 session_index)
1274 vppcom_main_t *vcm = &vppcom_main;
1277 rv = vppcom_send_disconnect (session_index);
1278 if (PREDICT_FALSE (rv))
1281 rv = vppcom_wait_for_session_state_change (session_index, STATE_DISCONNECT,
1282 vcm->cfg.session_timeout);
1283 if (PREDICT_FALSE (rv))
1285 if (VPPCOM_DEBUG > 0)
1286 clib_warning ("[%d] client disconnect timed out, rv = %s (%d)",
1287 vcm->my_pid, vppcom_retval_str (rv), rv);
1291 clib_spinlock_lock (&vcm->sessions_lockp);
1292 pool_put_index (vcm->sessions, session_index);
1293 clib_spinlock_unlock (&vcm->sessions_lockp);
1297 #define foreach_sock_msg \
1298 _(SESSION_ENABLE_DISABLE_REPLY, session_enable_disable_reply) \
1299 _(BIND_SOCK_REPLY, bind_sock_reply) \
1300 _(UNBIND_SOCK_REPLY, unbind_sock_reply) \
1301 _(ACCEPT_SESSION, accept_session) \
1302 _(CONNECT_SOCK, connect_sock) \
1303 _(CONNECT_SOCK_REPLY, connect_sock_reply) \
1304 _(DISCONNECT_SESSION, disconnect_session) \
1305 _(DISCONNECT_SESSION_REPLY, disconnect_session_reply) \
1306 _(RESET_SESSION, reset_session) \
1307 _(APPLICATION_ATTACH_REPLY, application_attach_reply) \
1308 _(APPLICATION_DETACH_REPLY, application_detach_reply) \
1309 _(MAP_ANOTHER_SEGMENT, map_another_segment)
1312 vppcom_api_hookup (void)
1315 vl_msg_api_set_handlers(VL_API_##N, #n, \
1316 vl_api_##n##_t_handler, \
1318 vl_api_##n##_t_endian, \
1319 vl_api_##n##_t_print, \
1320 sizeof(vl_api_##n##_t), 1);
1326 vppcom_cfg_init (vppcom_cfg_t * vcl_cfg)
1330 vcl_cfg->heapsize = (256ULL << 20);
1331 vcl_cfg->segment_baseva = 0x200000000ULL;
1332 vcl_cfg->segment_size = (256 << 20);
1333 vcl_cfg->add_segment_size = (128 << 20);
1334 vcl_cfg->preallocated_fifo_pairs = 8;
1335 vcl_cfg->rx_fifo_size = (1 << 20);
1336 vcl_cfg->tx_fifo_size = (1 << 20);
1337 vcl_cfg->event_queue_size = 2048;
1338 vcl_cfg->listen_queue_size = CLIB_CACHE_LINE_BYTES / sizeof (u32);
1339 vcl_cfg->app_timeout = 10 * 60.0;
1340 vcl_cfg->session_timeout = 10 * 60.0;
1341 vcl_cfg->accept_timeout = 60.0;
1345 vppcom_cfg_heapsize (char *conf_fname)
1347 vppcom_main_t *vcm = &vppcom_main;
1348 vppcom_cfg_t *vcl_cfg = &vcm->cfg;
1359 fp = fopen (conf_fname, "r");
1362 if (VPPCOM_DEBUG > 0)
1363 fprintf (stderr, "open configuration file '%s' failed\n", conf_fname);
1366 argv = calloc (1, sizeof (char *));
1372 if (fgets (inbuf, 4096, fp) == 0)
1374 p = strtok (inbuf, " \t\n");
1380 char **tmp = realloc (argv, argc * sizeof (char *));
1387 arg = strndup (p, 1024);
1393 argv[argc - 1] = arg;
1394 p = strtok (NULL, " \t\n");
1400 char **tmp = realloc (argv, (argc + 1) * sizeof (char *));
1407 * Look for and parse the "heapsize" config parameter.
1408 * Manual since none of the clib infra has been bootstrapped yet.
1410 * Format: heapsize <nn>[mM][gG]
1413 for (i = 1; i < (argc - 1); i++)
1415 if (!strncmp (argv[i], "heapsize", 8))
1417 sizep = (u8 *) argv[i + 1];
1419 while (*sizep >= '0' && *sizep <= '9')
1422 size += *sizep++ - '0';
1426 if (VPPCOM_DEBUG > 0)
1427 clib_warning ("[%d] parse error '%s %s', "
1428 "using default heapsize %lld (0x%llx)",
1429 vcm->my_pid, argv[i], argv[i + 1],
1430 vcl_cfg->heapsize, vcl_cfg->heapsize);
1434 if (*sizep == 'g' || *sizep == 'G')
1435 vcl_cfg->heapsize = size << 30;
1436 else if (*sizep == 'm' || *sizep == 'M')
1437 vcl_cfg->heapsize = size << 20;
1440 if (VPPCOM_DEBUG > 0)
1441 clib_warning ("[%d] parse error '%s %s', "
1442 "using default heapsize %lld (0x%llx)",
1443 vcm->my_pid, argv[i], argv[i + 1],
1444 vcl_cfg->heapsize, vcl_cfg->heapsize);
1451 if (!clib_mem_init (0, vcl_cfg->heapsize))
1452 clib_warning ("[%d] vppcom heap allocation failure!", vcm->my_pid);
1453 else if (VPPCOM_DEBUG > 0)
1454 clib_warning ("[%d] allocated vppcom heapsize %lld (0x%llx)",
1455 vcm->my_pid, vcl_cfg->heapsize, vcl_cfg->heapsize);
1459 vppcom_cfg_read (char *conf_fname)
1461 vppcom_main_t *vcm = &vppcom_main;
1462 vppcom_cfg_t *vcl_cfg = &vcm->cfg;
1464 unformat_input_t _input, *input = &_input;
1465 unformat_input_t _line_input, *line_input = &_line_input;
1466 u8 vc_cfg_input = 0;
1471 fd = open (conf_fname, O_RDONLY);
1474 if (VPPCOM_DEBUG > 0)
1475 clib_warning ("[%d] open configuration file '%s' failed!",
1476 vcm->my_pid, conf_fname);
1480 if (fstat (fd, &s) < 0)
1482 if (VPPCOM_DEBUG > 0)
1483 clib_warning ("[%d] failed to stat `%s'", vcm->my_pid, conf_fname);
1487 if (!(S_ISREG (s.st_mode) || S_ISLNK (s.st_mode)))
1489 if (VPPCOM_DEBUG > 0)
1490 clib_warning ("[%d] not a regular file `%s'", vcm->my_pid,
1495 unformat_init_unix_file (input, fd);
1497 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
1499 unformat_user (input, unformat_line_input, line_input);
1500 unformat_skip_white_space (line_input);
1502 if (unformat (line_input, "vppcom {"))
1510 if (unformat (line_input, "heapsize %s", &chroot_path))
1512 vec_terminate_c_string (chroot_path);
1513 if (VPPCOM_DEBUG > 0)
1514 clib_warning ("[%d] configured heapsize %s, "
1515 "actual heapsize %lld (0x%llx)",
1516 vcm->my_pid, chroot_path, vcl_cfg->heapsize,
1518 vec_free (chroot_path);
1520 else if (unformat (line_input, "api-prefix %s", &chroot_path))
1522 vec_terminate_c_string (chroot_path);
1523 vl_set_memory_root_path ((char *) chroot_path);
1524 if (VPPCOM_DEBUG > 0)
1525 clib_warning ("[%d] configured api-prefix %s",
1526 vcm->my_pid, chroot_path);
1527 chroot_path = 0; /* Don't vec_free() it! */
1529 else if (unformat (line_input, "uid %d", &uid))
1531 vl_set_memory_uid (uid);
1532 if (VPPCOM_DEBUG > 0)
1533 clib_warning ("[%d] configured uid %d", vcm->my_pid, uid);
1535 else if (unformat (line_input, "gid %d", &gid))
1537 vl_set_memory_gid (gid);
1538 if (VPPCOM_DEBUG > 0)
1539 clib_warning ("[%d] configured gid %d", vcm->my_pid, gid);
1541 else if (unformat (line_input, "segment-baseva 0x%llx",
1542 &vcl_cfg->segment_baseva))
1544 if (VPPCOM_DEBUG > 0)
1545 clib_warning ("[%d] configured segment_baseva 0x%llx",
1546 vcm->my_pid, vcl_cfg->segment_baseva);
1548 else if (unformat (line_input, "segment-size 0x%lx",
1549 &vcl_cfg->segment_size))
1551 if (VPPCOM_DEBUG > 0)
1552 clib_warning ("[%d] configured segment_size 0x%lx (%ld)",
1553 vcm->my_pid, vcl_cfg->segment_size,
1554 vcl_cfg->segment_size);
1556 else if (unformat (line_input, "segment-size %ld",
1557 &vcl_cfg->segment_size))
1559 if (VPPCOM_DEBUG > 0)
1560 clib_warning ("[%d] configured segment_size %ld (0x%lx)",
1561 vcm->my_pid, vcl_cfg->segment_size,
1562 vcl_cfg->segment_size);
1564 else if (unformat (line_input, "add-segment-size 0x%lx",
1565 &vcl_cfg->add_segment_size))
1567 if (VPPCOM_DEBUG > 0)
1569 ("[%d] configured add_segment_size 0x%lx (%ld)",
1570 vcm->my_pid, vcl_cfg->add_segment_size,
1571 vcl_cfg->add_segment_size);
1573 else if (unformat (line_input, "add-segment-size %ld",
1574 &vcl_cfg->add_segment_size))
1576 if (VPPCOM_DEBUG > 0)
1578 ("[%d] configured add_segment_size %ld (0x%lx)",
1579 vcm->my_pid, vcl_cfg->add_segment_size,
1580 vcl_cfg->add_segment_size);
1582 else if (unformat (line_input, "preallocated-fifo-pairs %d",
1583 &vcl_cfg->preallocated_fifo_pairs))
1585 if (VPPCOM_DEBUG > 0)
1586 clib_warning ("[%d] configured preallocated_fifo_pairs "
1587 "%d (0x%x)", vcm->my_pid,
1588 vcl_cfg->preallocated_fifo_pairs,
1589 vcl_cfg->preallocated_fifo_pairs);
1591 else if (unformat (line_input, "rx-fifo-size 0x%lx",
1592 &vcl_cfg->rx_fifo_size))
1594 if (VPPCOM_DEBUG > 0)
1595 clib_warning ("[%d] configured rx_fifo_size 0x%lx (%ld)",
1596 vcm->my_pid, vcl_cfg->rx_fifo_size,
1597 vcl_cfg->rx_fifo_size);
1599 else if (unformat (line_input, "rx-fifo-size %ld",
1600 &vcl_cfg->rx_fifo_size))
1602 if (VPPCOM_DEBUG > 0)
1603 clib_warning ("[%d] configured rx_fifo_size %ld (0x%lx)",
1604 vcm->my_pid, vcl_cfg->rx_fifo_size,
1605 vcl_cfg->rx_fifo_size);
1607 else if (unformat (line_input, "tx-fifo-size 0x%lx",
1608 &vcl_cfg->tx_fifo_size))
1610 if (VPPCOM_DEBUG > 0)
1611 clib_warning ("[%d] configured tx_fifo_size 0x%lx (%ld)",
1612 vcm->my_pid, vcl_cfg->tx_fifo_size,
1613 vcl_cfg->tx_fifo_size);
1615 else if (unformat (line_input, "tx-fifo-size %ld",
1616 &vcl_cfg->tx_fifo_size))
1618 if (VPPCOM_DEBUG > 0)
1619 clib_warning ("[%d] configured tx_fifo_size %ld (0x%lx)",
1620 vcm->my_pid, vcl_cfg->tx_fifo_size,
1621 vcl_cfg->tx_fifo_size);
1623 else if (unformat (line_input, "event-queue-size 0x%lx",
1624 &vcl_cfg->event_queue_size))
1626 if (VPPCOM_DEBUG > 0)
1627 clib_warning ("[%d] configured event_queue_size 0x%lx (%ld)",
1628 vcm->my_pid, vcl_cfg->event_queue_size,
1629 vcl_cfg->event_queue_size);
1631 else if (unformat (line_input, "event-queue-size %ld",
1632 &vcl_cfg->event_queue_size))
1634 if (VPPCOM_DEBUG > 0)
1635 clib_warning ("[%d] configured event_queue_size %ld (0x%lx)",
1636 vcm->my_pid, vcl_cfg->event_queue_size,
1637 vcl_cfg->event_queue_size);
1639 else if (unformat (line_input, "listen-queue-size 0x%lx",
1640 &vcl_cfg->listen_queue_size))
1642 if (VPPCOM_DEBUG > 0)
1643 clib_warning ("[%d] configured listen_queue_size 0x%lx (%ld)",
1644 vcm->my_pid, vcl_cfg->listen_queue_size,
1645 vcl_cfg->listen_queue_size);
1647 else if (unformat (line_input, "listen-queue-size %ld",
1648 &vcl_cfg->listen_queue_size))
1650 if (VPPCOM_DEBUG > 0)
1651 clib_warning ("[%d] configured listen_queue_size %ld (0x%lx)",
1652 vcm->my_pid, vcl_cfg->listen_queue_size,
1653 vcl_cfg->listen_queue_size);
1655 else if (unformat (line_input, "app-timeout %f",
1656 &vcl_cfg->app_timeout))
1658 if (VPPCOM_DEBUG > 0)
1659 clib_warning ("[%d] configured app_timeout %f",
1660 vcm->my_pid, vcl_cfg->app_timeout);
1662 else if (unformat (line_input, "session-timeout %f",
1663 &vcl_cfg->session_timeout))
1665 if (VPPCOM_DEBUG > 0)
1666 clib_warning ("[%d] configured session_timeout %f",
1667 vcm->my_pid, vcl_cfg->session_timeout);
1669 else if (unformat (line_input, "accept-timeout %f",
1670 &vcl_cfg->accept_timeout))
1672 if (VPPCOM_DEBUG > 0)
1673 clib_warning ("[%d] configured accept_timeout %f",
1674 vcm->my_pid, vcl_cfg->accept_timeout);
1676 else if (unformat (line_input, "}"))
1679 if (VPPCOM_DEBUG > 0)
1680 clib_warning ("[%d] completed parsing vppcom config!",
1686 if (line_input->buffer[line_input->index] != '#')
1688 clib_warning ("[%d] Unknown vppcom config option: '%s'",
1689 vcm->my_pid, (char *)
1690 &line_input->buffer[line_input->index]);
1697 unformat_free (input);
1705 * VPPCOM Public API functions
1708 vppcom_app_create (char *app_name)
1710 vppcom_main_t *vcm = &vppcom_main;
1711 vppcom_cfg_t *vcl_cfg = &vcm->cfg;
1721 vcm->my_pid = getpid ();
1722 clib_fifo_validate (vcm->client_session_index_fifo,
1723 vcm->cfg.listen_queue_size);
1724 vppcom_cfg_init (vcl_cfg);
1725 conf_fname = getenv (VPPCOM_CONF_ENV);
1728 conf_fname = VPPCOM_CONF_DEFAULT;
1729 if (VPPCOM_DEBUG > 0)
1730 clib_warning ("[%d] getenv '%s' failed!", vcm->my_pid,
1733 vppcom_cfg_heapsize (conf_fname);
1734 vppcom_cfg_read (conf_fname);
1735 vcm->bind_session_index = ~0;
1736 vcm->main_cpu = os_get_thread_index ();
1737 heap = clib_mem_get_per_cpu_heap ();
1738 h = mheap_header (heap);
1740 /* make the main heap thread-safe */
1741 h->flags |= MHEAP_FLAG_THREAD_SAFE;
1743 vcm->session_index_by_vpp_handles = hash_create (0, sizeof (uword));
1745 clib_time_init (&vcm->clib_time);
1746 vppcom_init_error_string_table ();
1747 svm_fifo_segment_init (vcl_cfg->segment_baseva,
1748 20 /* timeout in secs */ );
1749 clib_spinlock_init (&vcm->sessions_lockp);
1750 vppcom_api_hookup ();
1753 if (vcm->my_client_index == ~0)
1755 vcm->app_state = STATE_APP_START;
1756 rv = vppcom_connect_to_vpp (app_name);
1759 clib_warning ("[%s] couldn't connect to VPP.", vcm->my_pid);
1763 if (VPPCOM_DEBUG > 0)
1764 clib_warning ("[%d] sending session enable", vcm->my_pid);
1766 rv = vppcom_app_session_enable ();
1769 clib_warning ("[%d] vppcom_app_session_enable() failed!",
1774 if (VPPCOM_DEBUG > 0)
1775 clib_warning ("[%d] sending app attach", vcm->my_pid);
1777 rv = vppcom_app_attach ();
1780 clib_warning ("[%d] vppcom_app_attach() failed!", vcm->my_pid);
1785 if (VPPCOM_DEBUG > 0)
1786 clib_warning ("[%d] app_name '%s', my_client_index %d (0x%x)",
1787 vcm->my_pid, app_name, vcm->my_client_index,
1788 vcm->my_client_index);
1794 vppcom_app_destroy (void)
1796 vppcom_main_t *vcm = &vppcom_main;
1799 if (vcm->my_client_index == ~0)
1802 if (VPPCOM_DEBUG > 0)
1803 clib_warning ("[%d] detaching from VPP, my_client_index %d (0x%x)",
1804 vcm->my_pid, vcm->my_client_index, vcm->my_client_index);
1806 vppcom_app_detach ();
1807 rv = vppcom_wait_for_app_state_change (STATE_APP_ENABLED);
1808 if (PREDICT_FALSE (rv))
1810 if (VPPCOM_DEBUG > 0)
1811 clib_warning ("[%d] application detach timed out, rv = %s (%d)",
1812 vcm->my_pid, vppcom_retval_str (rv), rv);
1814 vl_client_disconnect_from_vlib ();
1815 vcm->my_client_index = ~0;
1816 vcm->app_state = STATE_APP_START;
1820 vppcom_session_create (u32 vrf, u8 proto, u8 is_nonblocking)
1822 vppcom_main_t *vcm = &vppcom_main;
1826 clib_spinlock_lock (&vcm->sessions_lockp);
1827 pool_get (vcm->sessions, session);
1828 session_index = session - vcm->sessions;
1831 session->proto = proto;
1832 session->state = STATE_START;
1833 session->is_nonblocking = is_nonblocking;
1834 clib_spinlock_unlock (&vcm->sessions_lockp);
1836 if (VPPCOM_DEBUG > 0)
1837 clib_warning ("[%d] sid %d", vcm->my_pid, session_index);
1839 return (int) session_index;
1843 vppcom_session_close (uint32_t session_index)
1845 vppcom_main_t *vcm = &vppcom_main;
1846 session_t *session = 0;
1849 clib_spinlock_lock (&vcm->sessions_lockp);
1850 rv = vppcom_session_at_index (session_index, &session);
1851 if (PREDICT_FALSE (rv))
1853 clib_spinlock_unlock (&vcm->sessions_lockp);
1854 if (VPPCOM_DEBUG > 0)
1855 clib_warning ("[%d] invalid session, sid (%d) has been closed!",
1856 vcm->my_pid, session_index);
1859 clib_spinlock_unlock (&vcm->sessions_lockp);
1861 if (VPPCOM_DEBUG > 0)
1862 clib_warning ("[%d] sid %d", vcm->my_pid, session_index);
1864 if (session->is_cut_thru)
1866 if (session->is_server)
1867 rv = vppcom_session_unbind_cut_thru (session);
1871 rv = (session->is_server) ?
1872 vppcom_session_unbind (session_index) :
1873 vppcom_session_disconnect (session_index);
1876 clib_spinlock_lock (&vcm->sessions_lockp);
1877 pool_put_index (vcm->sessions, session_index);
1878 clib_spinlock_unlock (&vcm->sessions_lockp);
1883 vppcom_session_bind (uint32_t session_index, vppcom_endpt_t * ep)
1885 vppcom_main_t *vcm = &vppcom_main;
1886 session_t *session = 0;
1890 return VPPCOM_EINVAL;
1892 clib_spinlock_lock (&vcm->sessions_lockp);
1893 rv = vppcom_session_at_index (session_index, &session);
1894 if (PREDICT_FALSE (rv))
1896 clib_spinlock_unlock (&vcm->sessions_lockp);
1897 if (VPPCOM_DEBUG > 0)
1898 clib_warning ("[%d] invalid session, sid (%d) has been closed!",
1899 vcm->my_pid, session_index);
1903 if (VPPCOM_DEBUG > 0)
1904 clib_warning ("[%d] sid %d", vcm->my_pid, session_index);
1906 session->vrf = ep->vrf;
1907 session->is_ip4 = ep->is_ip4;
1908 memset (session->ip, 0, sizeof (*session->ip));
1909 clib_memcpy (session->ip, ep->ip, (ep->is_ip4 ?
1910 sizeof (ip4_address_t) :
1911 sizeof (ip6_address_t)));
1912 session->port = ep->port;
1914 clib_spinlock_unlock (&vcm->sessions_lockp);
1919 vppcom_session_listen (uint32_t session_index, uint32_t q_len)
1921 vppcom_main_t *vcm = &vppcom_main;
1922 session_t *session = 0;
1925 clib_spinlock_lock (&vcm->sessions_lockp);
1926 rv = vppcom_session_at_index (session_index, &session);
1927 if (PREDICT_FALSE (rv))
1929 clib_spinlock_unlock (&vcm->sessions_lockp);
1930 if (VPPCOM_DEBUG > 0)
1931 clib_warning ("[%d] invalid session, sid (%d) has been closed!",
1932 vcm->my_pid, session_index);
1936 if (VPPCOM_DEBUG > 0)
1937 clib_warning ("[%d] sid %d", vcm->my_pid, session_index);
1939 ASSERT (vcm->bind_session_index == ~0);
1940 vcm->bind_session_index = session_index;
1941 vppcom_send_bind_sock (session);
1942 clib_spinlock_unlock (&vcm->sessions_lockp);
1943 rv = vppcom_wait_for_session_state_change (session_index, STATE_LISTEN,
1944 vcm->cfg.session_timeout);
1945 if (PREDICT_FALSE (rv))
1947 vcm->bind_session_index = ~0;
1948 if (VPPCOM_DEBUG > 0)
1949 clib_warning ("[%d] server listen timed out, rv = %d (%d)",
1950 vcm->my_pid, vppcom_retval_str (rv), rv);
1954 clib_spinlock_lock (&vcm->sessions_lockp);
1955 rv = vppcom_session_at_index (session_index, &session);
1956 if (PREDICT_FALSE (rv))
1958 clib_spinlock_unlock (&vcm->sessions_lockp);
1959 if (VPPCOM_DEBUG > 0)
1960 clib_warning ("[%d] invalid session, sid (%d) has been closed!",
1961 vcm->my_pid, session_index);
1964 session->is_listen = 1;
1965 clib_spinlock_unlock (&vcm->sessions_lockp);
1966 clib_fifo_validate (vcm->client_session_index_fifo, q_len);
1972 vppcom_session_accept (uint32_t listen_session_index, vppcom_endpt_t * ep,
1973 double wait_for_time)
1975 vppcom_main_t *vcm = &vppcom_main;
1976 session_t *session = 0;
1977 u32 client_session_index;
1981 clib_spinlock_lock (&vcm->sessions_lockp);
1982 rv = vppcom_session_at_index (listen_session_index, &session);
1983 if (PREDICT_FALSE (rv))
1985 clib_spinlock_unlock (&vcm->sessions_lockp);
1986 if (VPPCOM_DEBUG > 0)
1987 clib_warning ("[%d] invalid session, sid (%d) has been closed!",
1988 vcm->my_pid, listen_session_index);
1992 if (session->state != STATE_LISTEN)
1994 clib_spinlock_unlock (&vcm->sessions_lockp);
1995 if (VPPCOM_DEBUG > 0)
1996 clib_warning ("[%d] session not in listen state, state = %s",
1997 vcm->my_pid, vppcom_session_state_str (session->state));
1998 return VPPCOM_EBADFD;
2000 wait_for = session->is_nonblocking ? 0 :
2001 (wait_for_time < 0) ? vcm->cfg.accept_timeout : wait_for_time;
2003 if (VPPCOM_DEBUG > 0)
2004 clib_warning ("[%d] sid %d, state %s (%d)", vcm->my_pid,
2005 listen_session_index,
2006 vppcom_session_state_str (session->state), session->state);
2007 clib_spinlock_unlock (&vcm->sessions_lockp);
2011 rv = vppcom_wait_for_client_session_index (wait_for);
2014 if ((VPPCOM_DEBUG > 0))
2015 clib_warning ("[%d] sid %d, accept timed out, rv = %s (%d)",
2016 vcm->my_pid, listen_session_index,
2017 vppcom_retval_str (rv), rv);
2018 if ((wait_for == 0) || (wait_for_time > 0))
2025 clib_fifo_sub1 (vcm->client_session_index_fifo, client_session_index);
2028 clib_spinlock_lock (&vcm->sessions_lockp);
2029 rv = vppcom_session_at_index (client_session_index, &session);
2030 ASSERT (rv == VPPCOM_OK);
2031 ASSERT (session->is_server);
2033 if (VPPCOM_DEBUG > 0)
2034 clib_warning ("[%d] Got a request: client sid %d", vcm->my_pid,
2035 client_session_index);
2037 ep->vrf = session->vrf;
2038 ep->is_cut_thru = session->is_cut_thru;
2039 ep->is_ip4 = session->is_ip4;
2040 ep->port = session->port;
2041 memset (ep->ip, 0, sizeof (ip6_address_t));
2042 clib_memcpy (ep->ip, session->ip, (session->is_ip4 ?
2043 sizeof (ip4_address_t) :
2044 sizeof (ip6_address_t)));
2045 session->state = STATE_LISTEN;
2046 clib_spinlock_unlock (&vcm->sessions_lockp);
2047 return (int) client_session_index;
2051 vppcom_session_connect (uint32_t session_index, vppcom_endpt_t * server_ep)
2053 vppcom_main_t *vcm = &vppcom_main;
2054 session_t *session = 0;
2056 ip46_address_t *ip46;
2058 clib_spinlock_lock (&vcm->sessions_lockp);
2059 rv = vppcom_session_at_index (session_index, &session);
2060 if (PREDICT_FALSE (rv))
2062 clib_spinlock_unlock (&vcm->sessions_lockp);
2063 if (VPPCOM_DEBUG > 0)
2064 clib_warning ("[%d] invalid session, sid (%d) has been closed!",
2065 vcm->my_pid, session_index);
2069 if (session->state == STATE_CONNECT)
2071 clib_spinlock_unlock (&vcm->sessions_lockp);
2072 if (VPPCOM_DEBUG > 0)
2073 clib_warning ("[%d] session, sid (%d) already connected!",
2074 vcm->my_pid, session_index);
2078 session->vrf = server_ep->vrf;
2079 session->is_ip4 = server_ep->is_ip4;
2080 ip46 = (ip46_address_t *) session->ip;
2081 *ip46 = to_ip46 (!server_ep->is_ip4, server_ep->ip);
2082 session->port = server_ep->port;
2084 if (VPPCOM_DEBUG > 0)
2086 u8 *ip_str = format (0, "%U", format_ip46_address,
2087 &session->ip, session->is_ip4);
2088 clib_warning ("[%d] connect sid %d to %s server port %d",
2089 vcm->my_pid, session_index, ip_str,
2090 clib_net_to_host_u16 (session->port));
2094 vppcom_send_connect_sock (session, session_index);
2095 clib_spinlock_unlock (&vcm->sessions_lockp);
2096 rv = vppcom_wait_for_session_state_change (session_index, STATE_CONNECT,
2097 vcm->cfg.session_timeout);
2098 if (PREDICT_FALSE (rv))
2100 if (VPPCOM_DEBUG > 0)
2101 clib_warning ("[%d] connect timed out, rv = %s (%d)",
2102 vcm->my_pid, vppcom_retval_str (rv), rv);
2109 vppcom_session_read (uint32_t session_index, void *buf, int n)
2111 session_fifo_event_t _e, *e = &_e;
2112 vppcom_main_t *vcm = &vppcom_main;
2113 session_t *session = 0;
2114 svm_fifo_t *rx_fifo;
2121 clib_spinlock_lock (&vcm->sessions_lockp);
2122 rv = vppcom_session_at_index (session_index, &session);
2123 if (PREDICT_FALSE (rv))
2125 clib_spinlock_unlock (&vcm->sessions_lockp);
2126 if (VPPCOM_DEBUG > 0)
2127 clib_warning ("[%d] invalid session, sid (%d) has been closed!",
2128 vcm->my_pid, session_index);
2132 if (session->is_cut_thru)
2134 rx_fifo = session->is_server ? session->server_rx_fifo :
2135 session->server_tx_fifo;
2136 fifo_str = session->is_server ? "server_rx_fifo" : "server_tx_fifo";
2137 clib_spinlock_unlock (&vcm->sessions_lockp);
2139 n_read = svm_fifo_dequeue_nowait (rx_fifo, n, buf);
2142 return VPPCOM_EAGAIN;
2147 rv = unix_shared_memory_queue_sub (session->event_queue, (u8 *) e,
2149 clib_spinlock_unlock (&vcm->sessions_lockp);
2151 return VPPCOM_EAGAIN;
2153 switch (e->event_type)
2155 case FIFO_EVENT_APP_RX:
2157 fifo_str = "app_rx_fifo";
2158 n_read = svm_fifo_dequeue_nowait (rx_fifo, n, buf);
2161 case FIFO_EVENT_DISCONNECT:
2162 return VPPCOM_ECONNRESET;
2165 if (VPPCOM_DEBUG > 0)
2166 clib_warning ("[%d] unknown event type %d", vcm->my_pid,
2168 return VPPCOM_EAGAIN;
2172 if (VPPCOM_DEBUG > 2)
2173 clib_warning ("[%d] sid %d, read %d bytes from %s (%p)", vcm->my_pid,
2174 session_index, n_read, fifo_str, rx_fifo);
2179 vppcom_session_read_ready (session_t * session, u32 session_index)
2181 session_fifo_event_t _e, *e = &_e;
2182 vppcom_main_t *vcm = &vppcom_main;
2183 svm_fifo_t *rx_fifo;
2187 /* Assumes caller has acquired spinlock: vcm->sessions_lockp */
2188 if (session->is_cut_thru)
2190 rx_fifo = session->is_server ? session->server_rx_fifo :
2191 session->server_tx_fifo;
2193 ready = svm_fifo_max_dequeue (rx_fifo);
2195 else if (session->is_listen)
2196 ready = clib_fifo_elts (vcm->client_session_index_fifo);
2199 rv = unix_shared_memory_queue_sub (vcm->app_event_queue, (u8 *) e,
2203 switch (e->event_type)
2205 case FIFO_EVENT_APP_RX:
2207 ready = svm_fifo_max_dequeue (rx_fifo);
2210 case FIFO_EVENT_DISCONNECT:
2211 return VPPCOM_ECONNRESET;
2214 clib_warning ("[%d] unknown event type %d", vcm->my_pid,
2220 if (VPPCOM_DEBUG > 2)
2221 clib_warning ("[%d] sid %d, peek %s (%p), ready = %d", vcm->my_pid,
2223 session->is_server ? "server_rx_fifo" : "server_tx_fifo",
2230 vppcom_session_write (uint32_t session_index, void *buf, int n)
2232 vppcom_main_t *vcm = &vppcom_main;
2233 session_t *session = 0;
2234 svm_fifo_t *tx_fifo;
2235 unix_shared_memory_queue_t *q;
2236 session_fifo_event_t evt;
2243 clib_spinlock_lock (&vcm->sessions_lockp);
2244 rv = vppcom_session_at_index (session_index, &session);
2245 if (PREDICT_FALSE (rv))
2247 clib_spinlock_unlock (&vcm->sessions_lockp);
2248 if (VPPCOM_DEBUG > 0)
2249 clib_warning ("[%d] invalid session, sid (%d) has been closed!",
2250 vcm->my_pid, session_index);
2254 tx_fifo = ((!session->is_cut_thru || session->is_server) ?
2255 session->server_tx_fifo : session->server_rx_fifo);
2256 fifo_str = ((!session->is_cut_thru || session->is_server) ?
2257 "server_tx_fifo" : "server_rx_fifo");
2258 is_nonblocking = session->is_nonblocking;
2259 clib_spinlock_unlock (&vcm->sessions_lockp);
2263 rv = svm_fifo_enqueue_nowait (tx_fifo, n, buf);
2265 while (!is_nonblocking && (rv <= 0));
2267 /* If event wasn't set, add one */
2268 if ((rv > 0) && svm_fifo_set_event (tx_fifo))
2272 /* Fabricate TX event, send to vpp */
2274 evt.event_type = FIFO_EVENT_APP_TX;
2275 evt.event_id = vcm->tx_event_id++;
2277 clib_spinlock_lock (&vcm->sessions_lockp);
2278 rval = vppcom_session_at_index (session_index, &session);
2279 if (PREDICT_FALSE (rval))
2281 clib_spinlock_unlock (&vcm->sessions_lockp);
2282 if (VPPCOM_DEBUG > 1)
2283 clib_warning ("[%d] invalid session, sid (%d) has been closed!",
2284 vcm->my_pid, session_index);
2287 q = session->event_queue;
2288 clib_spinlock_unlock (&vcm->sessions_lockp);
2290 unix_shared_memory_queue_add (q, (u8 *) & evt,
2291 0 /* do wait for mutex */ );
2294 if (VPPCOM_DEBUG > 2)
2295 clib_warning ("[%d] sid %d, wrote %d bytes to %s (%p)", vcm->my_pid,
2296 session_index, rv, fifo_str, tx_fifo);
2302 vppcom_session_write_ready (session_t * session, u32 session_index)
2304 vppcom_main_t *vcm = &vppcom_main;
2305 svm_fifo_t *tx_fifo;
2308 /* Assumes caller has acquired spinlock: vcm->sessions_lockp */
2309 tx_fifo = ((!session->is_cut_thru || session->is_server) ?
2310 session->server_tx_fifo : session->server_rx_fifo);
2312 rv = svm_fifo_max_enqueue (tx_fifo);
2314 if (VPPCOM_DEBUG > 2)
2315 clib_warning ("[%d] sid %d, peek %s (%p), ready = %d", vcm->my_pid,
2317 session->is_server ? "server_tx_fifo" : "server_rx_fifo",
2323 vppcom_select (unsigned long n_bits, unsigned long *read_map,
2324 unsigned long *write_map, unsigned long *except_map,
2325 double time_to_wait)
2327 vppcom_main_t *vcm = &vppcom_main;
2329 session_t *session = 0;
2330 int rv, bits_set = 0;
2331 f64 timeout = clib_time_now (&vcm->clib_time) + time_to_wait;
2332 u32 minbits = clib_max (n_bits, BITS (uword));
2334 ASSERT (sizeof (clib_bitmap_t) == sizeof (long int));
2338 clib_bitmap_validate (vcm->rd_bitmap, minbits);
2339 clib_memcpy (vcm->rd_bitmap, read_map, vec_len (vcm->rd_bitmap));
2340 memset (read_map, 0, vec_len (vcm->rd_bitmap));
2344 clib_bitmap_validate (vcm->wr_bitmap, minbits);
2345 clib_memcpy (vcm->wr_bitmap, write_map, vec_len (vcm->wr_bitmap));
2346 memset (write_map, 0, vec_len (vcm->wr_bitmap));
2350 clib_bitmap_validate (vcm->ex_bitmap, minbits);
2351 clib_memcpy (vcm->ex_bitmap, except_map, vec_len (vcm->ex_bitmap));
2352 memset (except_map, 0, vec_len (vcm->ex_bitmap));
2358 clib_bitmap_foreach (session_index, vcm->rd_bitmap,
2360 clib_spinlock_lock (&vcm->sessions_lockp);
2361 rv = vppcom_session_at_index (session_index, &session);
2364 clib_spinlock_unlock (&vcm->sessions_lockp);
2365 if (VPPCOM_DEBUG > 1)
2366 clib_warning ("[%d] session %d specified in "
2367 "read_map is closed.", vcm->my_pid,
2369 bits_set = VPPCOM_EBADFD;
2373 rv = vppcom_session_read_ready (session, session_index);
2374 clib_spinlock_unlock (&vcm->sessions_lockp);
2375 if (vcm->ex_bitmap &&
2376 clib_bitmap_get (vcm->ex_bitmap, session_index) && (rv < 0))
2378 // TBD: clib_warning
2379 clib_bitmap_set_no_check (except_map, session_index, 1);
2384 // TBD: clib_warning
2385 clib_bitmap_set_no_check (read_map, session_index, 1);
2390 clib_bitmap_foreach (session_index, vcm->wr_bitmap,
2392 clib_spinlock_lock (&vcm->sessions_lockp);
2393 rv = vppcom_session_at_index (session_index, &session);
2396 clib_spinlock_unlock (&vcm->sessions_lockp);
2397 if (VPPCOM_DEBUG > 0)
2398 clib_warning ("[%d] session %d specified in "
2399 "write_map is closed.", vcm->my_pid,
2401 bits_set = VPPCOM_EBADFD;
2405 rv = vppcom_session_write_ready (session, session_index);
2406 clib_spinlock_unlock (&vcm->sessions_lockp);
2409 // TBD: clib_warning
2410 clib_bitmap_set_no_check (write_map, session_index, 1);
2415 clib_bitmap_foreach (session_index, vcm->ex_bitmap,
2417 clib_spinlock_lock (&vcm->sessions_lockp);
2418 rv = vppcom_session_at_index (session_index, &session);
2421 clib_spinlock_unlock (&vcm->sessions_lockp);
2422 if (VPPCOM_DEBUG > 1)
2423 clib_warning ("[%d] session %d specified in "
2424 "except_map is closed.", vcm->my_pid,
2426 bits_set = VPPCOM_EBADFD;
2430 rv = vppcom_session_read_ready (session, session_index);
2431 clib_spinlock_unlock (&vcm->sessions_lockp);
2434 // TBD: clib_warning
2435 clib_bitmap_set_no_check (except_map, session_index, 1);
2441 while (clib_time_now (&vcm->clib_time) < timeout);
2448 * fd.io coding-style-patch-verification: ON
2451 * eval: (c-set-style "gnu")