2 * Copyright (c) 2017 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 <vcl/vppcom.h>
24 #include <vcl/vcl_event.h>
25 #include <vlib/unix/unix.h>
26 #include <vppinfra/vec_bootstrap.h>
27 #include <vppinfra/elog.h>
29 #define vl_typedefs /* define message structures */
30 #include <vpp/api/vpe_all_api_h.h>
33 /* declare message handlers for each api */
35 #define vl_endianfun /* define message structures */
36 #include <vpp/api/vpe_all_api_h.h>
39 /* instantiate all the print functions we know about */
40 #define vl_print(handle, ...)
42 #include <vpp/api/vpe_all_api_h.h>
46 /* Set VPPCOM_DEBUG_INIT 2 for connection debug,
47 * 3 for read/write debug output
49 * export VCL_DEBUG=<#> to set dynamically.
51 #define VPPCOM_DEBUG_INIT 1
53 #define VPPCOM_DEBUG_INIT 0
56 #define VPPCOM_DEBUG vcm->debug
59 * VPPCOM Private definitions and functions.
75 STATE_CLOSE_ON_EMPTY = 0x10,
76 STATE_DISCONNECT = 0x20,
80 #define SERVER_STATE_OPEN (STATE_ACCEPT|STATE_CLOSE_ON_EMPTY)
81 #define CLIENT_STATE_OPEN (STATE_CONNECT|STATE_CLOSE_ON_EMPTY)
83 typedef struct epoll_event vppcom_epoll_event_t;
90 vppcom_epoll_event_t ev;
91 #define VEP_DEFAULT_ET_MASK (EPOLLIN|EPOLLOUT)
92 #define VEP_UNSUPPORTED_EVENTS (EPOLLONESHOT|EPOLLEXCLUSIVE)
104 VCL_SESS_ATTR_SERVER,
105 VCL_SESS_ATTR_CUT_THRU,
107 VCL_SESS_ATTR_VEP_SESSION,
108 VCL_SESS_ATTR_LISTEN, // SOL_SOCKET,SO_ACCEPTCONN
109 VCL_SESS_ATTR_NONBLOCK, // fcntl,O_NONBLOCK
110 VCL_SESS_ATTR_REUSEADDR, // SOL_SOCKET,SO_REUSEADDR
111 VCL_SESS_ATTR_REUSEPORT, // SOL_SOCKET,SO_REUSEPORT
112 VCL_SESS_ATTR_BROADCAST, // SOL_SOCKET,SO_BROADCAST
113 VCL_SESS_ATTR_V6ONLY, // SOL_TCP,IPV6_V6ONLY
114 VCL_SESS_ATTR_KEEPALIVE, // SOL_SOCKET,SO_KEEPALIVE
115 VCL_SESS_ATTR_TCP_NODELAY, // SOL_TCP,TCP_NODELAY
116 VCL_SESS_ATTR_TCP_KEEPIDLE, // SOL_TCP,TCP_KEEPIDLE
117 VCL_SESS_ATTR_TCP_KEEPINTVL, // SOL_TCP,TCP_KEEPINTVL
119 } vppcom_session_attr_t;
121 #define VCL_SESS_ATTR_SET(ATTR, VAL) \
123 (ATTR) |= 1 << (VAL); \
126 #define VCL_SESS_ATTR_CLR(ATTR, VAL) \
128 (ATTR) &= ~(1 << (VAL)); \
131 #define VCL_SESS_ATTR_TEST(ATTR, VAL) \
132 ((ATTR) & (1 << (VAL)) ? 1 : 0)
136 volatile session_state_t state;
140 u32 sndbuf_size; // VPP-TBD: Hack until support setsockopt(SO_SNDBUF)
141 u32 rcvbuf_size; // VPP-TBD: Hack until support setsockopt(SO_RCVBUF)
142 u32 user_mss; // VPP-TBD: Hack until support setsockopt(TCP_MAXSEG)
147 svm_queue_t *vpp_event_queue;
149 /* Socket configuration state */
156 vppcom_ip46_t lcl_addr;
157 vppcom_ip46_t peer_addr;
158 u16 lcl_port; // network order
159 u16 peer_port; // network order
161 u64 client_queue_address;
163 elog_track_t elog_track;
166 typedef struct vppcom_cfg_t_
169 u32 vpp_api_q_length;
172 u32 add_segment_size;
173 u32 preallocated_fifo_pairs;
176 u32 event_queue_size;
177 u32 listen_queue_size;
178 u8 app_proxy_transport_tcp;
179 u8 app_proxy_transport_udp;
183 u64 namespace_secret;
188 char *event_log_path;
189 u8 *vpp_api_filename;
192 /* VPPCOM Event typedefs */
193 typedef enum vcl_event_id_
195 VCL_EVENT_CONNECT_REQ_ACCEPTED,
199 typedef struct vce_event_connect_request_
203 u32 accepted_session_index;
204 } vce_event_connect_request_t;
206 typedef struct vppcom_main_t_
210 u32 *client_session_index_fifo;
213 /* vpp input queue */
214 svm_queue_t *vl_input_queue;
216 /* API client handle */
220 clib_spinlock_t sessions_lockp;
223 /* Hash table for disconnect processing */
224 uword *session_index_by_vpp_handles;
227 clib_bitmap_t *rd_bitmap;
228 clib_bitmap_t *wr_bitmap;
229 clib_bitmap_t *ex_bitmap;
231 /* Our event queue */
232 svm_queue_t *app_event_queue;
234 /* unique segment name counter */
235 u32 unique_segment_index;
237 /* For deadman timers */
238 clib_time_t clib_time;
240 /* State of the connection, shared between msg RX thread and main thread */
241 volatile app_state_t app_state;
246 vce_event_thread_t event_thread;
248 /* VPP Event-logger */
249 elog_main_t elog_main;
250 elog_track_t elog_track;
252 /* VNET_API_ERROR_FOO -> "Foo" hash table */
253 uword *error_string_by_error_number;
256 /* NOTE: _vppcom_main is only used until the heap is allocated.
257 * Do not access it directly -- use vcm which will point to
258 * the heap allocated copy after init.
260 static vppcom_main_t _vppcom_main = {
261 .debug = VPPCOM_DEBUG_INIT,
262 .my_client_index = ~0
265 static vppcom_main_t *vcm = &_vppcom_main;
267 #define VCL_LOCK_AND_GET_SESSION(I, S) \
269 clib_spinlock_lock (&vcm->sessions_lockp); \
270 rv = vppcom_session_at_index (I, S); \
271 if (PREDICT_FALSE (rv)) \
273 clib_spinlock_unlock (&vcm->sessions_lockp); \
274 clib_warning ("VCL<%d>: ERROR: Invalid ##I (%u)!", \
281 vppcom_app_state_str (app_state_t state)
287 case STATE_APP_START:
288 st = "STATE_APP_START";
291 case STATE_APP_CONN_VPP:
292 st = "STATE_APP_CONN_VPP";
295 case STATE_APP_ENABLED:
296 st = "STATE_APP_ENABLED";
299 case STATE_APP_ATTACHED:
300 st = "STATE_APP_ATTACHED";
304 st = "UNKNOWN_APP_STATE";
312 vppcom_session_state_str (session_state_t state)
323 st = "STATE_CONNECT";
334 case STATE_CLOSE_ON_EMPTY:
335 st = "STATE_CLOSE_ON_EMPTY";
338 case STATE_DISCONNECT:
339 st = "STATE_DISCONNECT";
347 st = "UNKNOWN_STATE";
356 * VPPCOM Utility Functions
359 vppcom_session_at_index (u32 session_index, session_t * volatile *sess)
361 /* Assumes that caller has acquired spinlock: vcm->sessions_lockp */
362 if (PREDICT_FALSE ((session_index == ~0) ||
363 pool_is_free_index (vcm->sessions, session_index)))
365 clib_warning ("VCL<%d>: invalid session, sid (%u) has been closed!",
366 getpid (), session_index);
367 return VPPCOM_EBADFD;
369 *sess = pool_elt_at_index (vcm->sessions, session_index);
374 vppcom_session_table_add_listener (u64 listener_handle, u32 value)
376 /* Session and listener handles have different formats. The latter has
377 * the thread index in the upper 32 bits while the former has the session
378 * type. Knowing that, for listeners we just flip the MSB to 1 */
379 listener_handle |= 1ULL << 63;
380 hash_set (vcm->session_index_by_vpp_handles, listener_handle, value);
383 static inline session_t *
384 vppcom_session_table_lookup_listener (u64 listener_handle)
387 u64 handle = listener_handle | (1ULL << 63);
390 p = hash_get (vcm->session_index_by_vpp_handles, handle);
393 clib_warning ("VCL<%d>: couldn't find listen session: unknown vpp "
394 "listener handle %llx", getpid (), listener_handle);
397 if (pool_is_free_index (vcm->sessions, p[0]))
399 if (VPPCOM_DEBUG > 1)
400 clib_warning ("VCL<%d>: invalid listen session, sid (%u)",
405 session = pool_elt_at_index (vcm->sessions, p[0]);
406 ASSERT (session->state & STATE_LISTEN);
411 vppcom_session_table_del_listener (u64 listener_handle)
413 listener_handle |= 1ULL << 63;
414 hash_unset (vcm->session_index_by_vpp_handles, listener_handle);
420 elog_main_t *em = &vcm->elog_main;
422 clib_error_t *error = 0;
425 (char *) format (0, "%s/%d-%d-vcl-elog%c", vcm->cfg.event_log_path,
426 vcm->my_client_index, getpid (), 0);
427 error = elog_write_file (em, chroot_file, 1 /* flush ring */ );
430 clib_error_report (error);
432 if (VPPCOM_DEBUG > 0)
433 clib_warning ("[%d] Event Log:'%s' ", getpid (), chroot_file);
438 * VPPCOM Event Functions
442 * * @brief vce_connect_request_handler_fn
443 * - used for listener sessions
444 * - when a vl_api_accept_session_t_handler() generates an event
445 * this callback is alerted and sets fields that consumers such as
446 * vppcom_session_accept() expect to see, ie. accepted_client_index
448 * @param arg - void* to be cast to vce_event_handler_reg_t*
451 vce_connect_request_handler_fn (void *arg)
453 vce_event_handler_reg_t *reg = (vce_event_handler_reg_t *) arg;
455 vce_event_connect_request_t *ecr;
458 ev = vce_get_event_from_index (&vcm->event_thread, reg->ev_idx);
460 ecr = (vce_event_connect_request_t *) ev->data;
462 pthread_mutex_lock (®->handler_lock);
464 pthread_cond_signal (®->handler_cond);
465 pthread_mutex_unlock (®->handler_lock);
469 * @brief vce_epoll_wait_connect_request_handler_fn
470 * - used by vppcom_epoll_xxxx() for listener sessions
471 * - when a vl_api_accept_session_t_handler() generates an event
472 * this callback is alerted and sets the fields that vppcom_epoll_wait()
475 * @param arg - void* to be cast to vce_event_handler_reg_t*
478 vce_epoll_wait_connect_request_handler_fn (void *arg)
480 vce_event_handler_reg_t *reg = (vce_event_handler_reg_t *) arg;
482 /* Retrieve the VCL_EVENT_CONNECT_REQ_ACCEPTED event */
483 ev = vce_get_event_from_index (&vcm->event_thread, reg->ev_idx);
484 vce_event_connect_request_t *ecr = (vce_event_connect_request_t *) ev->data;
486 /* Add the accepted_session_index to the FIFO */
487 clib_spinlock_lock (&vcm->sessions_lockp);
488 clib_fifo_add1 (vcm->client_session_index_fifo,
489 ecr->accepted_session_index);
490 clib_spinlock_unlock (&vcm->sessions_lockp);
492 /* Recycling the event. */
493 clib_spinlock_lock (&(vcm->event_thread.events_lockp));
494 vcm->event_thread.recycle_event = 1;
495 clib_fifo_add1 (vcm->event_thread.event_index_fifo, reg->ev_idx);
496 clib_spinlock_unlock (&(vcm->event_thread.events_lockp));
500 vppcom_connect_to_vpp (char *app_name)
502 api_main_t *am = &api_main;
503 vppcom_cfg_t *vcl_cfg = &vcm->cfg;
506 if (!vcl_cfg->vpp_api_filename)
507 vcl_cfg->vpp_api_filename = format (0, "/vpe-api%c", 0);
509 if (VPPCOM_DEBUG > 0)
510 clib_warning ("VCL<%d>: app (%s) connecting to VPP api (%s)...",
511 getpid (), app_name, vcl_cfg->vpp_api_filename);
513 if (vl_client_connect_to_vlib ((char *) vcl_cfg->vpp_api_filename, app_name,
514 vcm->cfg.vpp_api_q_length) < 0)
516 clib_warning ("VCL<%d>: app (%s) connect failed!", getpid (), app_name);
517 rv = VPPCOM_ECONNREFUSED;
521 vcm->vl_input_queue = am->shmem_hdr->vl_input_queue;
522 vcm->my_client_index = (u32) am->my_client_index;
523 vcm->app_state = STATE_APP_CONN_VPP;
525 if (VPPCOM_DEBUG > 0)
526 clib_warning ("VCL<%d>: app (%s) is connected to VPP!",
527 getpid (), app_name);
530 if (VPPCOM_DEBUG > 0)
532 vcm->elog_main.lock =
533 clib_mem_alloc_aligned (CLIB_CACHE_LINE_BYTES, CLIB_CACHE_LINE_BYTES);
534 vcm->elog_main.lock[0] = 0;
535 vcm->elog_main.event_ring_size = vcm->cfg.event_ring_size;
536 elog_init (&vcm->elog_main, vcm->elog_main.event_ring_size);
537 elog_enable_disable (&vcm->elog_main, 1);
539 vcm->elog_track.name =
540 (char *) format (0, "P:%d:C:%d%c", getpid (),
541 vcm->my_client_index, 0);
542 elog_track_register (&vcm->elog_main, &vcm->elog_track);
545 ELOG_TYPE_DECLARE (e) =
547 .format = "connect_vpp:rv:%d",
554 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, vcm->elog_track);
562 format_api_error (u8 * s, va_list * args)
564 i32 error = va_arg (*args, u32);
567 p = hash_get (vcm->error_string_by_error_number, -error);
570 s = format (s, "%s (%d)", p[0], error);
572 s = format (s, "%d", error);
577 vppcom_init_error_string_table (void)
579 vcm->error_string_by_error_number = hash_create (0, sizeof (uword));
581 #define _(n, v, s) hash_set (vcm->error_string_by_error_number, -v, s);
582 foreach_vnet_api_error;
585 hash_set (vcm->error_string_by_error_number, 99, "Misc");
589 vppcom_wait_for_app_state_change (app_state_t app_state)
591 f64 timeout = clib_time_now (&vcm->clib_time) + vcm->cfg.app_timeout;
593 while (clib_time_now (&vcm->clib_time) < timeout)
595 if (vcm->app_state == app_state)
598 if (VPPCOM_DEBUG > 0)
599 clib_warning ("VCL<%d>: timeout waiting for state %s (%d)", getpid (),
600 vppcom_app_state_str (app_state), app_state);
602 if (VPPCOM_DEBUG > 0)
605 ELOG_TYPE_DECLARE (e) =
607 .format = "ERR: timeout state:%d",
615 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, vcm->elog_track);
617 ed->data = app_state;
621 return VPPCOM_ETIMEDOUT;
625 vppcom_wait_for_session_state_change (u32 session_index,
626 session_state_t state,
629 f64 timeout = clib_time_now (&vcm->clib_time) + wait_for_time;
630 session_t *volatile session;
635 clib_spinlock_lock (&vcm->sessions_lockp);
636 rv = vppcom_session_at_index (session_index, &session);
637 if (PREDICT_FALSE (rv))
639 clib_spinlock_unlock (&vcm->sessions_lockp);
642 if (session->state & state)
644 clib_spinlock_unlock (&vcm->sessions_lockp);
647 if (session->state & STATE_FAILED)
649 clib_spinlock_unlock (&vcm->sessions_lockp);
650 return VPPCOM_ECONNREFUSED;
653 clib_spinlock_unlock (&vcm->sessions_lockp);
655 while (clib_time_now (&vcm->clib_time) < timeout);
657 if (VPPCOM_DEBUG > 0)
658 clib_warning ("VCL<%d>: timeout waiting for state 0x%x (%s)", getpid (),
659 state, vppcom_session_state_str (state));
661 if (VPPCOM_DEBUG > 0)
664 ELOG_TYPE_DECLARE (e) =
666 .format = "ERR: timeout state:%d",
674 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
680 return VPPCOM_ETIMEDOUT;
684 * VPP-API message functions
687 vppcom_send_session_enable_disable (u8 is_enable)
689 vl_api_session_enable_disable_t *bmp;
690 bmp = vl_msg_api_alloc (sizeof (*bmp));
691 memset (bmp, 0, sizeof (*bmp));
693 bmp->_vl_msg_id = ntohs (VL_API_SESSION_ENABLE_DISABLE);
694 bmp->client_index = vcm->my_client_index;
695 bmp->context = htonl (0xfeedface);
696 bmp->is_enable = is_enable;
697 vl_msg_api_send_shmem (vcm->vl_input_queue, (u8 *) & bmp);
701 vppcom_app_session_enable (void)
705 if (vcm->app_state != STATE_APP_ENABLED)
707 vppcom_send_session_enable_disable (1 /* is_enabled == TRUE */ );
708 rv = vppcom_wait_for_app_state_change (STATE_APP_ENABLED);
709 if (PREDICT_FALSE (rv))
711 if (VPPCOM_DEBUG > 0)
712 clib_warning ("VCL<%d>: application session enable timed out! "
714 getpid (), rv, vppcom_retval_str (rv));
722 vl_api_session_enable_disable_reply_t_handler
723 (vl_api_session_enable_disable_reply_t * mp)
727 clib_warning ("VCL<%d>: session_enable_disable failed: %U", getpid (),
728 format_api_error, ntohl (mp->retval));
731 vcm->app_state = STATE_APP_ENABLED;
735 vppcom_app_send_attach (void)
737 vl_api_application_attach_t *bmp;
738 u8 nsid_len = vec_len (vcm->cfg.namespace_id);
739 u8 app_is_proxy = (vcm->cfg.app_proxy_transport_tcp ||
740 vcm->cfg.app_proxy_transport_udp);
742 bmp = vl_msg_api_alloc (sizeof (*bmp));
743 memset (bmp, 0, sizeof (*bmp));
745 bmp->_vl_msg_id = ntohs (VL_API_APPLICATION_ATTACH);
746 bmp->client_index = vcm->my_client_index;
747 bmp->context = htonl (0xfeedface);
748 bmp->options[APP_OPTIONS_FLAGS] =
749 APP_OPTIONS_FLAGS_ACCEPT_REDIRECT | APP_OPTIONS_FLAGS_ADD_SEGMENT |
750 (vcm->cfg.app_scope_local ? APP_OPTIONS_FLAGS_USE_LOCAL_SCOPE : 0) |
751 (vcm->cfg.app_scope_global ? APP_OPTIONS_FLAGS_USE_GLOBAL_SCOPE : 0) |
752 (app_is_proxy ? APP_OPTIONS_FLAGS_IS_PROXY : 0);
753 bmp->options[APP_OPTIONS_PROXY_TRANSPORT] =
754 (vcm->cfg.app_proxy_transport_tcp ? 1 << TRANSPORT_PROTO_TCP : 0) |
755 (vcm->cfg.app_proxy_transport_udp ? 1 << TRANSPORT_PROTO_UDP : 0);
756 bmp->options[APP_OPTIONS_SEGMENT_SIZE] = vcm->cfg.segment_size;
757 bmp->options[APP_OPTIONS_ADD_SEGMENT_SIZE] = vcm->cfg.add_segment_size;
758 bmp->options[APP_OPTIONS_RX_FIFO_SIZE] = vcm->cfg.rx_fifo_size;
759 bmp->options[APP_OPTIONS_TX_FIFO_SIZE] = vcm->cfg.tx_fifo_size;
760 bmp->options[APP_OPTIONS_PREALLOC_FIFO_PAIRS] =
761 vcm->cfg.preallocated_fifo_pairs;
762 bmp->options[APP_OPTIONS_EVT_QUEUE_SIZE] = vcm->cfg.event_queue_size;
765 bmp->namespace_id_len = nsid_len;
766 clib_memcpy (bmp->namespace_id, vcm->cfg.namespace_id, nsid_len);
767 bmp->options[APP_OPTIONS_NAMESPACE_SECRET] = vcm->cfg.namespace_secret;
769 vl_msg_api_send_shmem (vcm->vl_input_queue, (u8 *) & bmp);
773 vppcom_app_attach (void)
777 vppcom_app_send_attach ();
778 rv = vppcom_wait_for_app_state_change (STATE_APP_ATTACHED);
779 if (PREDICT_FALSE (rv))
781 if (VPPCOM_DEBUG > 0)
782 clib_warning ("VCL<%d>: application attach timed out! "
784 getpid (), rv, vppcom_retval_str (rv));
792 vppcom_app_detach (void)
794 vl_api_application_detach_t *bmp;
795 bmp = vl_msg_api_alloc (sizeof (*bmp));
796 memset (bmp, 0, sizeof (*bmp));
798 bmp->_vl_msg_id = ntohs (VL_API_APPLICATION_DETACH);
799 bmp->client_index = vcm->my_client_index;
800 bmp->context = htonl (0xfeedface);
801 vl_msg_api_send_shmem (vcm->vl_input_queue, (u8 *) & bmp);
805 vl_api_application_attach_reply_t_handler (vl_api_application_attach_reply_t *
808 static svm_fifo_segment_create_args_t _a;
809 svm_fifo_segment_create_args_t *a = &_a;
812 memset (a, 0, sizeof (*a));
815 clib_warning ("VCL<%d>: attach failed: %U", getpid (),
816 format_api_error, ntohl (mp->retval));
820 if (mp->segment_name_length == 0)
822 clib_warning ("VCL<%d>: segment_name_length zero", getpid ());
826 a->segment_name = (char *) mp->segment_name;
827 a->segment_size = mp->segment_size;
829 ASSERT (mp->app_event_queue_address);
831 /* Attach to the segment vpp created */
832 rv = svm_fifo_segment_attach (a);
833 vec_reset_length (a->new_segment_indices);
834 if (PREDICT_FALSE (rv))
836 clib_warning ("VCL<%d>: svm_fifo_segment_attach ('%s') failed",
837 getpid (), mp->segment_name);
841 vcm->app_event_queue =
842 uword_to_pointer (mp->app_event_queue_address, svm_queue_t *);
844 vcm->app_state = STATE_APP_ATTACHED;
848 vl_api_application_detach_reply_t_handler (vl_api_application_detach_reply_t *
852 clib_warning ("VCL<%d>: detach failed: %U", getpid (), format_api_error,
855 vcm->app_state = STATE_APP_ENABLED;
859 vl_api_disconnect_session_reply_t_handler (vl_api_disconnect_session_reply_t *
863 clib_warning ("VCL<%d>: vpp handle 0x%llx: disconnect session failed: %U",
864 getpid (), mp->handle, format_api_error,
869 vl_api_map_another_segment_t_handler (vl_api_map_another_segment_t * mp)
871 static svm_fifo_segment_create_args_t _a;
872 svm_fifo_segment_create_args_t *a = &_a;
875 memset (a, 0, sizeof (*a));
876 a->segment_name = (char *) mp->segment_name;
877 a->segment_size = mp->segment_size;
878 /* Attach to the segment vpp created */
879 rv = svm_fifo_segment_attach (a);
880 vec_reset_length (a->new_segment_indices);
881 if (PREDICT_FALSE (rv))
883 clib_warning ("VCL<%d>: svm_fifo_segment_attach ('%s') failed",
884 getpid (), mp->segment_name);
887 if (VPPCOM_DEBUG > 1)
888 clib_warning ("VCL<%d>: mapped new segment '%s' size %d", getpid (),
889 mp->segment_name, mp->segment_size);
893 vl_api_unmap_segment_t_handler (vl_api_unmap_segment_t * mp)
897 * XXX Need segment_name to session_id hash,
898 * XXX - have sessionID by handle hash currently
900 if (VPPCOM_DEBUG > 1)
901 clib_warning ("Unmapped segment '%s'", mp->segment_name);
905 vl_api_disconnect_session_t_handler (vl_api_disconnect_session_t * mp)
909 p = hash_get (vcm->session_index_by_vpp_handles, mp->handle);
913 session_t *session = 0;
914 u32 session_index = p[0];
916 VCL_LOCK_AND_GET_SESSION (session_index, &session);
917 session->state = STATE_CLOSE_ON_EMPTY;
919 if (VPPCOM_DEBUG > 1)
920 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
921 "setting state to 0x%x (%s)",
922 getpid (), mp->handle, session_index, session->state,
923 vppcom_session_state_str (session->state));
924 clib_spinlock_unlock (&vcm->sessions_lockp);
928 if (VPPCOM_DEBUG > 1)
929 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
930 "session lookup failed!",
931 getpid (), mp->handle, session_index);
934 clib_warning ("VCL<%d>: vpp handle 0x%llx: session lookup by "
935 "handle failed!", getpid (), mp->handle);
939 vl_api_reset_session_t_handler (vl_api_reset_session_t * mp)
941 session_t *session = 0;
942 vl_api_reset_session_reply_t *rmp;
946 p = hash_get (vcm->session_index_by_vpp_handles, mp->handle);
950 clib_spinlock_lock (&vcm->sessions_lockp);
951 rval = vppcom_session_at_index (p[0], &session);
952 if (PREDICT_FALSE (rval))
954 rv = VNET_API_ERROR_INVALID_VALUE_2;
955 clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: "
956 "session lookup failed! returning %d %U",
957 getpid (), mp->handle, p[0],
958 rv, format_api_error, rv);
962 /* TBD: should this disconnect immediately and
965 session->state = STATE_CLOSE_ON_EMPTY;
967 if (VPPCOM_DEBUG > 1)
968 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
969 "state set to %d (%s)!", getpid (),
970 mp->handle, p[0], session->state,
971 vppcom_session_state_str (session->state));
973 clib_spinlock_unlock (&vcm->sessions_lockp);
977 rv = VNET_API_ERROR_INVALID_VALUE;
978 clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx: session lookup "
979 "failed! returning %d %U",
980 getpid (), mp->handle, rv, format_api_error, rv);
983 rmp = vl_msg_api_alloc (sizeof (*rmp));
984 memset (rmp, 0, sizeof (*rmp));
985 rmp->_vl_msg_id = ntohs (VL_API_RESET_SESSION_REPLY);
986 rmp->retval = htonl (rv);
987 rmp->handle = mp->handle;
988 vl_msg_api_send_shmem (vcm->vl_input_queue, (u8 *) & rmp);
992 vl_api_connect_session_reply_t_handler (vl_api_connect_session_reply_t * mp)
994 session_t *session = 0;
996 svm_fifo_t *rx_fifo, *tx_fifo;
999 session_index = mp->context;
1000 VCL_LOCK_AND_GET_SESSION (session_index, &session);
1004 clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: "
1005 "connect failed! %U",
1006 getpid (), mp->handle, session_index,
1007 format_api_error, ntohl (mp->retval));
1010 session->state = STATE_FAILED;
1011 session->vpp_handle = mp->handle;
1015 clib_warning ("[%s] ERROR: vpp handle 0x%llx, sid %u: "
1016 "Invalid session index (%u)!",
1017 getpid (), mp->handle, session_index);
1028 session->vpp_event_queue = uword_to_pointer (mp->vpp_event_queue_address,
1031 rx_fifo = uword_to_pointer (mp->server_rx_fifo, svm_fifo_t *);
1032 rx_fifo->client_session_index = session_index;
1033 tx_fifo = uword_to_pointer (mp->server_tx_fifo, svm_fifo_t *);
1034 tx_fifo->client_session_index = session_index;
1036 session->rx_fifo = rx_fifo;
1037 session->tx_fifo = tx_fifo;
1038 session->vpp_handle = mp->handle;
1039 session->lcl_addr.is_ip4 = mp->is_ip4;
1040 clib_memcpy (&session->lcl_addr.ip46, mp->lcl_ip,
1041 sizeof (session->peer_addr.ip46));
1042 session->lcl_port = mp->lcl_port;
1043 session->state = STATE_CONNECT;
1045 /* Add it to lookup table */
1046 hash_set (vcm->session_index_by_vpp_handles, mp->handle, session_index);
1048 if (VPPCOM_DEBUG > 1)
1049 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: connect succeeded!"
1050 " session_rx_fifo %p, refcnt %d,"
1051 " session_tx_fifo %p, refcnt %d",
1052 getpid (), mp->handle, session_index,
1054 session->rx_fifo->refcnt,
1055 session->tx_fifo, session->tx_fifo->refcnt);
1057 clib_spinlock_unlock (&vcm->sessions_lockp);
1061 vppcom_send_connect_sock (session_t * session, u32 session_index)
1063 vl_api_connect_sock_t *cmp;
1065 /* Assumes caller as acquired the spinlock: vcm->sessions_lockp */
1066 cmp = vl_msg_api_alloc (sizeof (*cmp));
1067 memset (cmp, 0, sizeof (*cmp));
1068 cmp->_vl_msg_id = ntohs (VL_API_CONNECT_SOCK);
1069 cmp->client_index = vcm->my_client_index;
1070 cmp->context = session_index;
1072 cmp->is_ip4 = session->peer_addr.is_ip4;
1073 clib_memcpy (cmp->ip, &session->peer_addr.ip46, sizeof (cmp->ip));
1074 cmp->port = session->peer_port;
1075 cmp->proto = session->proto;
1076 clib_memcpy (cmp->options, session->options, sizeof (cmp->options));
1077 vl_msg_api_send_shmem (vcm->vl_input_queue, (u8 *) & cmp);
1081 vppcom_send_disconnect_session_reply (u64 vpp_handle, u32 session_index,
1084 vl_api_disconnect_session_reply_t *rmp;
1086 if (VPPCOM_DEBUG > 1)
1087 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
1088 "sending disconnect msg",
1089 getpid (), vpp_handle, session_index);
1091 rmp = vl_msg_api_alloc (sizeof (*rmp));
1092 memset (rmp, 0, sizeof (*rmp));
1094 rmp->_vl_msg_id = ntohs (VL_API_DISCONNECT_SESSION_REPLY);
1095 rmp->retval = htonl (rv);
1096 rmp->handle = vpp_handle;
1097 vl_msg_api_send_shmem (vcm->vl_input_queue, (u8 *) & rmp);
1101 vppcom_send_disconnect_session (u64 vpp_handle, u32 session_index)
1103 vl_api_disconnect_session_t *dmp;
1105 if (VPPCOM_DEBUG > 1)
1106 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
1107 "sending disconnect msg",
1108 getpid (), vpp_handle, session_index);
1110 dmp = vl_msg_api_alloc (sizeof (*dmp));
1111 memset (dmp, 0, sizeof (*dmp));
1112 dmp->_vl_msg_id = ntohs (VL_API_DISCONNECT_SESSION);
1113 dmp->client_index = vcm->my_client_index;
1114 dmp->handle = vpp_handle;
1115 vl_msg_api_send_shmem (vcm->vl_input_queue, (u8 *) & dmp);
1119 vl_api_bind_sock_reply_t_handler (vl_api_bind_sock_reply_t * mp)
1121 session_t *session = 0;
1122 u32 session_index = mp->context;
1125 VCL_LOCK_AND_GET_SESSION (session_index, &session);
1129 clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, "
1130 "sid %u: bind failed: %U",
1131 getpid (), mp->handle, session_index,
1132 format_api_error, ntohl (mp->retval));
1133 rv = vppcom_session_at_index (session_index, &session);
1134 if (rv == VPPCOM_OK)
1136 session->state = STATE_FAILED;
1137 session->vpp_handle = mp->handle;
1141 clib_warning ("[%s] ERROR: vpp handle 0x%llx, sid %u: "
1142 "Invalid session index (%u)!",
1143 getpid (), mp->handle, session_index);
1148 session->vpp_handle = mp->handle;
1149 session->lcl_addr.is_ip4 = mp->lcl_is_ip4;
1150 clib_memcpy (&session->lcl_addr.ip46, mp->lcl_ip,
1151 sizeof (session->peer_addr.ip46));
1152 session->lcl_port = mp->lcl_port;
1153 vppcom_session_table_add_listener (mp->handle, session_index);
1154 session->state = STATE_LISTEN;
1156 if (VPPCOM_DEBUG > 1)
1157 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: bind succeeded!",
1158 getpid (), mp->handle, mp->context);
1160 clib_spinlock_unlock (&vcm->sessions_lockp);
1164 vl_api_unbind_sock_reply_t_handler (vl_api_unbind_sock_reply_t * mp)
1167 clib_warning ("VCL<%d>: ERROR: sid %u: unbind failed: %U",
1168 getpid (), mp->context, format_api_error,
1169 ntohl (mp->retval));
1171 else if (VPPCOM_DEBUG > 1)
1172 clib_warning ("VCL<%d>: sid %u: unbind succeeded!",
1173 getpid (), mp->context);
1177 format_ip4_address (u8 * s, va_list * args)
1179 u8 *a = va_arg (*args, u8 *);
1180 return format (s, "%d.%d.%d.%d", a[0], a[1], a[2], a[3]);
1184 format_ip6_address (u8 * s, va_list * args)
1186 ip6_address_t *a = va_arg (*args, ip6_address_t *);
1187 u32 i, i_max_n_zero, max_n_zeros, i_first_zero, n_zeros, last_double_colon;
1189 i_max_n_zero = ARRAY_LEN (a->as_u16);
1191 i_first_zero = i_max_n_zero;
1193 for (i = 0; i < ARRAY_LEN (a->as_u16); i++)
1195 u32 is_zero = a->as_u16[i] == 0;
1196 if (is_zero && i_first_zero >= ARRAY_LEN (a->as_u16))
1202 if ((!is_zero && n_zeros > max_n_zeros)
1203 || (i + 1 >= ARRAY_LEN (a->as_u16) && n_zeros > max_n_zeros))
1205 i_max_n_zero = i_first_zero;
1206 max_n_zeros = n_zeros;
1207 i_first_zero = ARRAY_LEN (a->as_u16);
1212 last_double_colon = 0;
1213 for (i = 0; i < ARRAY_LEN (a->as_u16); i++)
1215 if (i == i_max_n_zero && max_n_zeros > 1)
1217 s = format (s, "::");
1218 i += max_n_zeros - 1;
1219 last_double_colon = 1;
1223 s = format (s, "%s%x",
1224 (last_double_colon || i == 0) ? "" : ":",
1225 clib_net_to_host_u16 (a->as_u16[i]));
1226 last_double_colon = 0;
1233 /* Format an IP46 address. */
1235 format_ip46_address (u8 * s, va_list * args)
1237 ip46_address_t *ip46 = va_arg (*args, ip46_address_t *);
1238 ip46_type_t type = va_arg (*args, ip46_type_t);
1244 is_ip4 = ip46_address_is_ip4 (ip46);
1255 format (s, "%U", format_ip4_address, &ip46->ip4) :
1256 format (s, "%U", format_ip6_address, &ip46->ip6);
1260 vppcom_send_accept_session_reply (u64 handle, u32 context, int retval)
1262 vl_api_accept_session_reply_t *rmp;
1264 rmp = vl_msg_api_alloc (sizeof (*rmp));
1265 memset (rmp, 0, sizeof (*rmp));
1266 rmp->_vl_msg_id = ntohs (VL_API_ACCEPT_SESSION_REPLY);
1267 rmp->retval = htonl (retval);
1268 rmp->context = context;
1269 rmp->handle = handle;
1270 vl_msg_api_send_shmem (vcm->vl_input_queue, (u8 *) & rmp);
1274 vl_api_accept_session_t_handler (vl_api_accept_session_t * mp)
1276 svm_fifo_t *rx_fifo, *tx_fifo;
1277 session_t *session, *listen_session;
1279 vce_event_connect_request_t *ecr;
1285 clib_spinlock_lock (&vcm->sessions_lockp);
1286 if (!clib_fifo_free_elts (vcm->client_session_index_fifo))
1288 clib_warning ("VCL<%d>: client session queue is full!", getpid ());
1289 vppcom_send_accept_session_reply (mp->handle, mp->context,
1290 VNET_API_ERROR_QUEUE_FULL);
1291 clib_spinlock_unlock (&vcm->sessions_lockp);
1295 listen_session = vppcom_session_table_lookup_listener (mp->listener_handle);
1296 if (!listen_session)
1298 clib_warning ("VCL<%d>: ERROR: couldn't find listen session: "
1299 "unknown vpp listener handle %llx",
1300 getpid (), mp->listener_handle);
1301 vppcom_send_accept_session_reply (mp->handle, mp->context,
1302 VNET_API_ERROR_INVALID_ARGUMENT);
1303 clib_spinlock_unlock (&vcm->sessions_lockp);
1307 /* TODO check listener depth and update */
1308 /* TODO on "child" fd close, update listener depth */
1310 /* Allocate local session and set it up */
1311 pool_get (vcm->sessions, session);
1312 memset (session, 0, sizeof (*session));
1313 session_index = session - vcm->sessions;
1315 rx_fifo = uword_to_pointer (mp->server_rx_fifo, svm_fifo_t *);
1316 rx_fifo->client_session_index = session_index;
1317 tx_fifo = uword_to_pointer (mp->server_tx_fifo, svm_fifo_t *);
1318 tx_fifo->client_session_index = session_index;
1320 session->vpp_handle = mp->handle;
1321 session->client_context = mp->context;
1322 session->rx_fifo = rx_fifo;
1323 session->tx_fifo = tx_fifo;
1324 session->vpp_event_queue = uword_to_pointer (mp->vpp_event_queue_address,
1326 session->state = STATE_ACCEPT;
1327 session->peer_port = mp->port;
1328 session->peer_addr.is_ip4 = mp->is_ip4;
1329 clib_memcpy (&session->peer_addr.ip46, mp->ip,
1330 sizeof (session->peer_addr.ip46));
1332 /* Add it to lookup table */
1333 hash_set (vcm->session_index_by_vpp_handles, mp->handle, session_index);
1334 session->lcl_port = listen_session->lcl_port;
1335 session->lcl_addr = listen_session->lcl_addr;
1337 /* Create an event for handlers */
1339 clib_spinlock_lock (&vcm->event_thread.events_lockp);
1341 pool_get (vcm->event_thread.vce_events, ev);
1342 ev->data = clib_mem_alloc (sizeof (vce_event_connect_request_t));
1344 ev_idx = (u32) (ev - vcm->event_thread.vce_events);
1346 ev->evk.eid = VCL_EVENT_CONNECT_REQ_ACCEPTED;
1347 listen_session = vppcom_session_table_lookup_listener (mp->listener_handle);
1348 ev->evk.session_index = (u32) (listen_session - vcm->sessions);
1350 ecr->accepted_session_index = session_index;
1352 clib_spinlock_unlock (&vcm->event_thread.events_lockp);
1354 rv = vce_generate_event (&vcm->event_thread, ev_idx);
1358 if (VPPCOM_DEBUG > 1)
1359 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: client accept "
1360 "request from %s address %U port %d queue %p!", getpid (),
1361 mp->handle, session_index, mp->is_ip4 ? "IPv4" : "IPv6",
1362 format_ip46_address, &mp->ip, mp->is_ip4,
1363 clib_net_to_host_u16 (mp->port), session->vpp_event_queue);
1365 if (VPPCOM_DEBUG > 0)
1367 session->elog_track.name =
1368 (char *) format (0, "C:%d:S:%d%c", vcm->my_client_index,
1370 elog_track_register (&vcm->elog_main, &session->elog_track);
1372 if (session->peer_addr.is_ip4)
1375 ELOG_TYPE_DECLARE (e) =
1378 "client_accept:handle:%x addr:%d.%d.%d.%d:%d",
1379 .format_args = "i8i1i1i1i1i2",
1382 CLIB_PACKED (struct {
1388 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
1390 ed->handle = mp->handle;
1391 ed->addr[0] = session->peer_addr.ip46.ip4.as_u8[0];
1392 ed->addr[1] = session->peer_addr.ip46.ip4.as_u8[1];
1393 ed->addr[2] = session->peer_addr.ip46.ip4.as_u8[2];
1394 ed->addr[3] = session->peer_addr.ip46.ip4.as_u8[3];
1395 ed->port = clib_net_to_host_u16 (session->peer_port);
1400 clib_warning ("ip6");
1403 clib_spinlock_unlock (&vcm->sessions_lockp);
1408 vppcom_send_bind_sock (session_t * session, u32 session_index)
1410 vl_api_bind_sock_t *bmp;
1412 /* Assumes caller has acquired spinlock: vcm->sessions_lockp */
1413 bmp = vl_msg_api_alloc (sizeof (*bmp));
1414 memset (bmp, 0, sizeof (*bmp));
1416 bmp->_vl_msg_id = ntohs (VL_API_BIND_SOCK);
1417 bmp->client_index = vcm->my_client_index;
1418 bmp->context = session_index;
1419 bmp->is_ip4 = session->lcl_addr.is_ip4;
1420 clib_memcpy (bmp->ip, &session->lcl_addr.ip46, sizeof (bmp->ip));
1421 bmp->port = session->lcl_port;
1422 bmp->proto = session->proto;
1423 clib_memcpy (bmp->options, session->options, sizeof (bmp->options));
1424 vl_msg_api_send_shmem (vcm->vl_input_queue, (u8 *) & bmp);
1428 vppcom_send_unbind_sock (u64 vpp_handle)
1430 vl_api_unbind_sock_t *ump;
1432 ump = vl_msg_api_alloc (sizeof (*ump));
1433 memset (ump, 0, sizeof (*ump));
1435 ump->_vl_msg_id = ntohs (VL_API_UNBIND_SOCK);
1436 ump->client_index = vcm->my_client_index;
1437 ump->handle = vpp_handle;
1438 vl_msg_api_send_shmem (vcm->vl_input_queue, (u8 *) & ump);
1442 vppcom_session_unbind (u32 session_index)
1444 session_t *session = 0;
1447 elog_track_t session_elog_track;
1449 VCL_LOCK_AND_GET_SESSION (session_index, &session);
1451 vpp_handle = session->vpp_handle;
1452 vppcom_session_table_del_listener (vpp_handle);
1453 session->vpp_handle = ~0;
1454 session->state = STATE_DISCONNECT;
1455 session_elog_track = session->elog_track;
1457 clib_spinlock_unlock (&vcm->sessions_lockp);
1459 if (VPPCOM_DEBUG > 1)
1460 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
1461 "sending unbind msg! new state 0x%x (%s)",
1462 getpid (), vpp_handle, session_index,
1464 vppcom_session_state_str (STATE_DISCONNECT));
1466 if (VPPCOM_DEBUG > 0)
1469 ELOG_TYPE_DECLARE (e) =
1471 .format = "unbind: handle:%x",
1472 .format_args = "i8",
1480 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session_elog_track);
1481 ed->handle = vpp_handle;
1485 vppcom_send_unbind_sock (vpp_handle);
1492 vppcom_session_disconnect (u32 session_index)
1497 session_state_t state;
1499 VCL_LOCK_AND_GET_SESSION (session_index, &session);
1501 vpp_handle = session->vpp_handle;
1502 state = session->state;
1503 clib_spinlock_unlock (&vcm->sessions_lockp);
1505 if (VPPCOM_DEBUG > 1)
1507 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u "
1509 getpid (), vpp_handle, session_index,
1510 state, vppcom_session_state_str (state));
1513 if (PREDICT_FALSE (state & STATE_LISTEN))
1515 clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: "
1516 "Cannot disconnect a listen socket!",
1517 getpid (), vpp_handle, session_index);
1522 /* The peer has already initiated the close,
1523 * so send the disconnect session reply.
1525 if (state & STATE_CLOSE_ON_EMPTY)
1527 //XXX alagalah - Check and drain here?
1528 vppcom_send_disconnect_session_reply (vpp_handle,
1529 session_index, 0 /* rv */ );
1530 if (VPPCOM_DEBUG > 1)
1531 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
1532 "sending disconnect REPLY...",
1533 getpid (), vpp_handle, session_index);
1536 /* Otherwise, send a disconnect session msg...
1540 if (VPPCOM_DEBUG > 1)
1541 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
1542 "sending disconnect...",
1543 getpid (), vpp_handle, session_index);
1545 vppcom_send_disconnect_session (vpp_handle, session_index);
1552 #define foreach_sock_msg \
1553 _(SESSION_ENABLE_DISABLE_REPLY, session_enable_disable_reply) \
1554 _(BIND_SOCK_REPLY, bind_sock_reply) \
1555 _(UNBIND_SOCK_REPLY, unbind_sock_reply) \
1556 _(ACCEPT_SESSION, accept_session) \
1557 _(CONNECT_SESSION_REPLY, connect_session_reply) \
1558 _(DISCONNECT_SESSION, disconnect_session) \
1559 _(DISCONNECT_SESSION_REPLY, disconnect_session_reply) \
1560 _(RESET_SESSION, reset_session) \
1561 _(APPLICATION_ATTACH_REPLY, application_attach_reply) \
1562 _(APPLICATION_DETACH_REPLY, application_detach_reply) \
1563 _(MAP_ANOTHER_SEGMENT, map_another_segment) \
1564 _(UNMAP_SEGMENT, unmap_segment)
1567 vppcom_api_hookup (void)
1570 vl_msg_api_set_handlers(VL_API_##N, #n, \
1571 vl_api_##n##_t_handler, \
1573 vl_api_##n##_t_endian, \
1574 vl_api_##n##_t_print, \
1575 sizeof(vl_api_##n##_t), 1);
1581 vppcom_cfg_init (vppcom_cfg_t * vcl_cfg)
1585 vcl_cfg->heapsize = (256ULL << 20);
1586 vcl_cfg->vpp_api_q_length = 1024;
1587 vcl_cfg->segment_baseva = 0x200000000ULL;
1588 vcl_cfg->segment_size = (256 << 20);
1589 vcl_cfg->add_segment_size = (128 << 20);
1590 vcl_cfg->preallocated_fifo_pairs = 8;
1591 vcl_cfg->rx_fifo_size = (1 << 20);
1592 vcl_cfg->tx_fifo_size = (1 << 20);
1593 vcl_cfg->event_queue_size = 2048;
1594 vcl_cfg->listen_queue_size = CLIB_CACHE_LINE_BYTES / sizeof (u32);
1595 vcl_cfg->app_timeout = 10 * 60.0;
1596 vcl_cfg->session_timeout = 10 * 60.0;
1597 vcl_cfg->accept_timeout = 60.0;
1598 vcl_cfg->event_ring_size = (128 << 10);
1599 vcl_cfg->event_log_path = "/dev/shm";
1603 vppcom_cfg_heapsize (char *conf_fname)
1605 vppcom_cfg_t *vcl_cfg = &vcm->cfg;
1618 fp = fopen (conf_fname, "r");
1621 if (VPPCOM_DEBUG > 0)
1622 clib_warning ("VCL<%d>: using default heapsize %lld (0x%llx)",
1623 getpid (), vcl_cfg->heapsize, vcl_cfg->heapsize);
1627 argv = calloc (1, sizeof (char *));
1630 if (VPPCOM_DEBUG > 0)
1631 clib_warning ("VCL<%d>: calloc failed, using default "
1632 "heapsize %lld (0x%llx)",
1633 getpid (), vcl_cfg->heapsize, vcl_cfg->heapsize);
1639 if (fgets (inbuf, 4096, fp) == 0)
1641 p = strtok (inbuf, " \t\n");
1647 char **tmp = realloc (argv, argc * sizeof (char *));
1650 if (VPPCOM_DEBUG > 0)
1651 clib_warning ("VCL<%d>: realloc failed, "
1652 "using default heapsize %lld (0x%llx)",
1653 getpid (), vcl_cfg->heapsize,
1658 arg = strndup (p, 1024);
1661 if (VPPCOM_DEBUG > 0)
1662 clib_warning ("VCL<%d>: strndup failed, "
1663 "using default heapsize %lld (0x%llx)",
1664 getpid (), vcl_cfg->heapsize,
1668 argv[argc - 1] = arg;
1669 p = strtok (NULL, " \t\n");
1676 char **tmp = realloc (argv, (argc + 1) * sizeof (char *));
1679 if (VPPCOM_DEBUG > 0)
1680 clib_warning ("VCL<%d>: realloc failed, "
1681 "using default heapsize %lld (0x%llx)",
1682 getpid (), vcl_cfg->heapsize, vcl_cfg->heapsize);
1689 * Look for and parse the "heapsize" config parameter.
1690 * Manual since none of the clib infra has been bootstrapped yet.
1692 * Format: heapsize <nn>[mM][gG]
1695 for (i = 1; i < (argc - 1); i++)
1697 if (!strncmp (argv[i], "heapsize", 8))
1699 sizep = (u8 *) argv[i + 1];
1701 while (*sizep >= '0' && *sizep <= '9')
1704 size += *sizep++ - '0';
1708 if (VPPCOM_DEBUG > 0)
1709 clib_warning ("VCL<%d>: parse error '%s %s', "
1710 "using default heapsize %lld (0x%llx)",
1711 getpid (), argv[i], argv[i + 1],
1712 vcl_cfg->heapsize, vcl_cfg->heapsize);
1716 if (*sizep == 'g' || *sizep == 'G')
1717 vcl_cfg->heapsize = size << 30;
1718 else if (*sizep == 'm' || *sizep == 'M')
1719 vcl_cfg->heapsize = size << 20;
1722 if (VPPCOM_DEBUG > 0)
1723 clib_warning ("VCL<%d>: parse error '%s %s', "
1724 "using default heapsize %lld (0x%llx)",
1725 getpid (), argv[i], argv[i + 1],
1726 vcl_cfg->heapsize, vcl_cfg->heapsize);
1738 vcl_mem = mmap (0, vcl_cfg->heapsize, PROT_READ | PROT_WRITE,
1739 MAP_SHARED | MAP_ANONYMOUS, -1, 0);
1740 if (vcl_mem == MAP_FAILED)
1742 clib_unix_error ("VCL<%d>: ERROR: mmap(0, %lld == 0x%llx, "
1743 "PROT_READ | PROT_WRITE,MAP_SHARED | MAP_ANONYMOUS, "
1745 getpid (), vcl_cfg->heapsize, vcl_cfg->heapsize);
1746 ASSERT (vcl_mem != MAP_FAILED);
1749 heap = clib_mem_init (vcl_mem, vcl_cfg->heapsize);
1752 clib_warning ("VCL<%d>: ERROR: clib_mem_init() failed!", getpid ());
1756 vcl_mem = clib_mem_alloc (sizeof (_vppcom_main));
1759 clib_warning ("VCL<%d>: ERROR: clib_mem_alloc() failed!", getpid ());
1764 clib_memcpy (vcl_mem, &_vppcom_main, sizeof (_vppcom_main));
1767 if (VPPCOM_DEBUG > 0)
1768 clib_warning ("VCL<%d>: allocated VCL heap = %p, size %lld (0x%llx)",
1769 getpid (), heap, vcl_cfg->heapsize, vcl_cfg->heapsize);
1773 vppcom_cfg_read (char *conf_fname)
1775 vppcom_cfg_t *vcl_cfg = &vcm->cfg;
1777 unformat_input_t _input, *input = &_input;
1778 unformat_input_t _line_input, *line_input = &_line_input;
1779 u8 vc_cfg_input = 0;
1782 u32 uid, gid, q_len;
1784 fd = open (conf_fname, O_RDONLY);
1787 if (VPPCOM_DEBUG > 0)
1788 clib_warning ("VCL<%d>: using default configuration.",
1789 getpid (), conf_fname);
1793 if (fstat (fd, &s) < 0)
1795 if (VPPCOM_DEBUG > 0)
1796 clib_warning ("VCL<%d>: failed to stat `%s', "
1797 "using default configuration", getpid (), conf_fname);
1801 if (!(S_ISREG (s.st_mode) || S_ISLNK (s.st_mode)))
1803 if (VPPCOM_DEBUG > 0)
1804 clib_warning ("VCL<%d>: not a regular file `%s', "
1805 "using default configuration", getpid (), conf_fname);
1809 unformat_init_clib_file (input, fd);
1811 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
1813 (void) unformat_user (input, unformat_line_input, line_input);
1814 unformat_skip_white_space (line_input);
1816 if (unformat (line_input, "vcl {"))
1824 if (unformat (line_input, "heapsize %s", &chroot_path))
1826 vec_terminate_c_string (chroot_path);
1827 if (VPPCOM_DEBUG > 0)
1828 clib_warning ("VCL<%d>: configured heapsize %s, "
1829 "actual heapsize %lld (0x%llx)",
1830 getpid (), chroot_path, vcl_cfg->heapsize,
1832 vec_free (chroot_path);
1834 else if (unformat (line_input, "api-prefix %s", &chroot_path))
1836 vec_terminate_c_string (chroot_path);
1837 if (vcl_cfg->vpp_api_filename)
1838 vec_free (vcl_cfg->vpp_api_filename);
1839 vcl_cfg->vpp_api_filename = format (0, "/%s-vpe-api%c",
1841 vl_set_memory_root_path ((char *) chroot_path);
1843 if (VPPCOM_DEBUG > 0)
1844 clib_warning ("VCL<%d>: configured api-prefix (%s) and "
1845 "api filename (%s)", getpid (), chroot_path,
1846 vcl_cfg->vpp_api_filename);
1847 chroot_path = 0; /* Don't vec_free() it! */
1849 else if (unformat (line_input, "vpp-api-q-length %d", &q_len))
1851 if (q_len < vcl_cfg->vpp_api_q_length)
1853 clib_warning ("VCL<%d>: ERROR: configured vpp-api-q-length "
1854 "(%u) is too small! Using default: %u ",
1855 getpid (), q_len, vcl_cfg->vpp_api_q_length);
1859 vcl_cfg->vpp_api_q_length = q_len;
1861 if (VPPCOM_DEBUG > 0)
1862 clib_warning ("VCL<%d>: configured vpp-api-q-length %u",
1863 getpid (), vcl_cfg->vpp_api_q_length);
1866 else if (unformat (line_input, "uid %d", &uid))
1868 vl_set_memory_uid (uid);
1869 if (VPPCOM_DEBUG > 0)
1870 clib_warning ("VCL<%d>: configured uid %d", getpid (), uid);
1872 else if (unformat (line_input, "gid %d", &gid))
1874 vl_set_memory_gid (gid);
1875 if (VPPCOM_DEBUG > 0)
1876 clib_warning ("VCL<%d>: configured gid %d", getpid (), gid);
1878 else if (unformat (line_input, "segment-baseva 0x%lx",
1879 &vcl_cfg->segment_baseva))
1881 if (VPPCOM_DEBUG > 0)
1882 clib_warning ("VCL<%d>: configured segment_baseva 0x%lx",
1883 getpid (), vcl_cfg->segment_baseva);
1885 else if (unformat (line_input, "segment-size 0x%lx",
1886 &vcl_cfg->segment_size))
1888 if (VPPCOM_DEBUG > 0)
1889 clib_warning ("VCL<%d>: configured segment_size 0x%lx (%ld)",
1890 getpid (), vcl_cfg->segment_size,
1891 vcl_cfg->segment_size);
1893 else if (unformat (line_input, "segment-size %ld",
1894 &vcl_cfg->segment_size))
1896 if (VPPCOM_DEBUG > 0)
1897 clib_warning ("VCL<%d>: configured segment_size %ld (0x%lx)",
1898 getpid (), vcl_cfg->segment_size,
1899 vcl_cfg->segment_size);
1901 else if (unformat (line_input, "add-segment-size 0x%lx",
1902 &vcl_cfg->add_segment_size))
1904 if (VPPCOM_DEBUG > 0)
1906 ("VCL<%d>: configured add_segment_size 0x%lx (%ld)",
1907 getpid (), vcl_cfg->add_segment_size,
1908 vcl_cfg->add_segment_size);
1910 else if (unformat (line_input, "add-segment-size %ld",
1911 &vcl_cfg->add_segment_size))
1913 if (VPPCOM_DEBUG > 0)
1915 ("VCL<%d>: configured add_segment_size %ld (0x%lx)",
1916 getpid (), vcl_cfg->add_segment_size,
1917 vcl_cfg->add_segment_size);
1919 else if (unformat (line_input, "preallocated-fifo-pairs %d",
1920 &vcl_cfg->preallocated_fifo_pairs))
1922 if (VPPCOM_DEBUG > 0)
1923 clib_warning ("VCL<%d>: configured preallocated_fifo_pairs "
1924 "%d (0x%x)", getpid (),
1925 vcl_cfg->preallocated_fifo_pairs,
1926 vcl_cfg->preallocated_fifo_pairs);
1928 else if (unformat (line_input, "rx-fifo-size 0x%lx",
1929 &vcl_cfg->rx_fifo_size))
1931 if (VPPCOM_DEBUG > 0)
1932 clib_warning ("VCL<%d>: configured rx_fifo_size 0x%lx (%ld)",
1933 getpid (), vcl_cfg->rx_fifo_size,
1934 vcl_cfg->rx_fifo_size);
1936 else if (unformat (line_input, "rx-fifo-size %ld",
1937 &vcl_cfg->rx_fifo_size))
1939 if (VPPCOM_DEBUG > 0)
1940 clib_warning ("VCL<%d>: configured rx_fifo_size %ld (0x%lx)",
1941 getpid (), vcl_cfg->rx_fifo_size,
1942 vcl_cfg->rx_fifo_size);
1944 else if (unformat (line_input, "tx-fifo-size 0x%lx",
1945 &vcl_cfg->tx_fifo_size))
1947 if (VPPCOM_DEBUG > 0)
1948 clib_warning ("VCL<%d>: configured tx_fifo_size 0x%lx (%ld)",
1949 getpid (), vcl_cfg->tx_fifo_size,
1950 vcl_cfg->tx_fifo_size);
1952 else if (unformat (line_input, "tx-fifo-size %ld",
1953 &vcl_cfg->tx_fifo_size))
1955 if (VPPCOM_DEBUG > 0)
1956 clib_warning ("VCL<%d>: configured tx_fifo_size %ld (0x%lx)",
1957 getpid (), vcl_cfg->tx_fifo_size,
1958 vcl_cfg->tx_fifo_size);
1960 else if (unformat (line_input, "event-queue-size 0x%lx",
1961 &vcl_cfg->event_queue_size))
1963 if (VPPCOM_DEBUG > 0)
1964 clib_warning ("VCL<%d>: configured event_queue_size "
1966 getpid (), vcl_cfg->event_queue_size,
1967 vcl_cfg->event_queue_size);
1969 else if (unformat (line_input, "event-queue-size %ld",
1970 &vcl_cfg->event_queue_size))
1972 if (VPPCOM_DEBUG > 0)
1973 clib_warning ("VCL<%d>: configured event_queue_size "
1975 getpid (), vcl_cfg->event_queue_size,
1976 vcl_cfg->event_queue_size);
1978 else if (unformat (line_input, "listen-queue-size 0x%lx",
1979 &vcl_cfg->listen_queue_size))
1981 if (VPPCOM_DEBUG > 0)
1982 clib_warning ("VCL<%d>: configured listen_queue_size "
1984 getpid (), vcl_cfg->listen_queue_size,
1985 vcl_cfg->listen_queue_size);
1987 else if (unformat (line_input, "listen-queue-size %ld",
1988 &vcl_cfg->listen_queue_size))
1990 if (VPPCOM_DEBUG > 0)
1991 clib_warning ("VCL<%d>: configured listen_queue_size "
1993 getpid (), vcl_cfg->listen_queue_size,
1994 vcl_cfg->listen_queue_size);
1996 else if (unformat (line_input, "app-timeout %f",
1997 &vcl_cfg->app_timeout))
1999 if (VPPCOM_DEBUG > 0)
2000 clib_warning ("VCL<%d>: configured app_timeout %f",
2001 getpid (), vcl_cfg->app_timeout);
2003 else if (unformat (line_input, "session-timeout %f",
2004 &vcl_cfg->session_timeout))
2006 if (VPPCOM_DEBUG > 0)
2007 clib_warning ("VCL<%d>: configured session_timeout %f",
2008 getpid (), vcl_cfg->session_timeout);
2010 else if (unformat (line_input, "accept-timeout %f",
2011 &vcl_cfg->accept_timeout))
2013 if (VPPCOM_DEBUG > 0)
2014 clib_warning ("VCL<%d>: configured accept_timeout %f",
2015 getpid (), vcl_cfg->accept_timeout);
2017 else if (unformat (line_input, "app-proxy-transport-tcp"))
2019 vcl_cfg->app_proxy_transport_tcp = 1;
2020 if (VPPCOM_DEBUG > 0)
2021 clib_warning ("VCL<%d>: configured "
2022 "app_proxy_transport_tcp (%d)",
2023 getpid (), vcl_cfg->app_proxy_transport_tcp);
2025 else if (unformat (line_input, "app-proxy-transport-udp"))
2027 vcl_cfg->app_proxy_transport_udp = 1;
2028 if (VPPCOM_DEBUG > 0)
2029 clib_warning ("VCL<%d>: configured "
2030 "app_proxy_transport_udp (%d)",
2031 getpid (), vcl_cfg->app_proxy_transport_udp);
2033 else if (unformat (line_input, "app-scope-local"))
2035 vcl_cfg->app_scope_local = 1;
2036 if (VPPCOM_DEBUG > 0)
2037 clib_warning ("VCL<%d>: configured app_scope_local (%d)",
2038 getpid (), vcl_cfg->app_scope_local);
2040 else if (unformat (line_input, "app-scope-global"))
2042 vcl_cfg->app_scope_global = 1;
2043 if (VPPCOM_DEBUG > 0)
2044 clib_warning ("VCL<%d>: configured app_scope_global (%d)",
2045 getpid (), vcl_cfg->app_scope_global);
2047 else if (unformat (line_input, "namespace-secret %lu",
2048 &vcl_cfg->namespace_secret))
2050 if (VPPCOM_DEBUG > 0)
2052 ("VCL<%d>: configured namespace_secret %lu (0x%lx)",
2053 getpid (), vcl_cfg->namespace_secret,
2054 vcl_cfg->namespace_secret);
2056 else if (unformat (line_input, "namespace-id %v",
2057 &vcl_cfg->namespace_id))
2059 vl_api_application_attach_t *mp;
2060 u32 max_nsid_vec_len = sizeof (mp->namespace_id) - 1;
2061 u32 nsid_vec_len = vec_len (vcl_cfg->namespace_id);
2062 if (nsid_vec_len > max_nsid_vec_len)
2064 _vec_len (vcl_cfg->namespace_id) = max_nsid_vec_len;
2065 if (VPPCOM_DEBUG > 0)
2066 clib_warning ("VCL<%d>: configured namespace_id is "
2067 "too long, truncated to %d characters!",
2068 getpid (), max_nsid_vec_len);
2071 if (VPPCOM_DEBUG > 0)
2072 clib_warning ("VCL<%d>: configured namespace_id %v",
2073 getpid (), vcl_cfg->namespace_id);
2075 else if (unformat (line_input, "}"))
2078 if (VPPCOM_DEBUG > 0)
2079 clib_warning ("VCL<%d>: completed parsing vppcom config!",
2085 if (line_input->buffer[line_input->index] != '#')
2087 clib_warning ("VCL<%d>: Unknown vppcom config option: '%s'",
2089 &line_input->buffer[line_input->index]);
2096 unformat_free (input);
2104 * VPPCOM Public API functions
2107 vppcom_app_create (char *app_name)
2109 vppcom_cfg_t *vcl_cfg = &vcm->cfg;
2120 vppcom_cfg_init (vcl_cfg);
2121 env_var_str = getenv (VPPCOM_ENV_DEBUG);
2125 if (sscanf (env_var_str, "%u", &tmp) != 1)
2126 clib_warning ("VCL<%d>: WARNING: Invalid debug level specified "
2127 "in the environment variable " VPPCOM_ENV_DEBUG
2128 " (%s)!\n", getpid (), env_var_str);
2132 if (VPPCOM_DEBUG > 0)
2133 clib_warning ("VCL<%d>: configured VCL debug level (%u) from "
2134 VPPCOM_ENV_DEBUG "!", getpid (), vcm->debug);
2137 conf_fname = getenv (VPPCOM_ENV_CONF);
2139 conf_fname = VPPCOM_CONF_DEFAULT;
2140 vppcom_cfg_heapsize (conf_fname);
2141 vcl_cfg = &vcm->cfg;
2142 clib_fifo_validate (vcm->client_session_index_fifo,
2143 vcm->cfg.listen_queue_size);
2144 vppcom_cfg_read (conf_fname);
2146 env_var_str = getenv (VPPCOM_ENV_API_PREFIX);
2149 if (vcl_cfg->vpp_api_filename)
2150 vec_free (vcl_cfg->vpp_api_filename);
2151 vcl_cfg->vpp_api_filename = format (0, "/%s-vpe-api%c",
2153 vl_set_memory_root_path ((char *) env_var_str);
2155 if (VPPCOM_DEBUG > 0)
2156 clib_warning ("VCL<%d>: configured api prefix (%s) and "
2157 "filename (%s) from " VPPCOM_ENV_API_PREFIX "!",
2158 getpid (), env_var_str, vcl_cfg->vpp_api_filename);
2161 env_var_str = getenv (VPPCOM_ENV_APP_NAMESPACE_SECRET);
2165 if (sscanf (env_var_str, "%lu", &tmp) != 1)
2166 clib_warning ("VCL<%d>: WARNING: Invalid namespace secret "
2167 "specified in the environment variable "
2168 VPPCOM_ENV_APP_NAMESPACE_SECRET
2169 " (%s)!\n", getpid (), env_var_str);
2172 vcm->cfg.namespace_secret = tmp;
2173 if (VPPCOM_DEBUG > 0)
2174 clib_warning ("VCL<%d>: configured namespace secret "
2175 "(%lu) from " VPPCOM_ENV_APP_NAMESPACE_ID "!",
2176 getpid (), vcm->cfg.namespace_secret);
2179 env_var_str = getenv (VPPCOM_ENV_APP_NAMESPACE_ID);
2182 u32 ns_id_vec_len = strlen (env_var_str);
2184 vec_reset_length (vcm->cfg.namespace_id);
2185 vec_validate (vcm->cfg.namespace_id, ns_id_vec_len - 1);
2186 clib_memcpy (vcm->cfg.namespace_id, env_var_str, ns_id_vec_len);
2188 if (VPPCOM_DEBUG > 0)
2189 clib_warning ("VCL<%d>: configured namespace_id (%v) from "
2190 VPPCOM_ENV_APP_NAMESPACE_ID
2191 "!", getpid (), vcm->cfg.namespace_id);
2193 env_var_str = getenv (VPPCOM_ENV_APP_NAMESPACE_SECRET);
2197 if (sscanf (env_var_str, "%lu", &tmp) != 1)
2198 clib_warning ("VCL<%d>: WARNING: Invalid namespace secret "
2199 "specified in the environment variable "
2200 VPPCOM_ENV_APP_NAMESPACE_SECRET
2201 " (%s)!\n", getpid (), env_var_str);
2204 vcm->cfg.namespace_secret = tmp;
2205 if (VPPCOM_DEBUG > 0)
2206 clib_warning ("VCL<%d>: configured namespace secret "
2208 VPPCOM_ENV_APP_NAMESPACE_ID
2209 "!", getpid (), vcm->cfg.namespace_secret);
2212 if (getenv (VPPCOM_ENV_APP_PROXY_TRANSPORT_TCP))
2214 vcm->cfg.app_proxy_transport_tcp = 1;
2215 if (VPPCOM_DEBUG > 0)
2216 clib_warning ("VCL<%d>: configured app_proxy_transport_tcp "
2218 VPPCOM_ENV_APP_PROXY_TRANSPORT_TCP
2219 "!", getpid (), vcm->cfg.app_proxy_transport_tcp);
2221 if (getenv (VPPCOM_ENV_APP_PROXY_TRANSPORT_UDP))
2223 vcm->cfg.app_proxy_transport_udp = 1;
2224 if (VPPCOM_DEBUG > 0)
2225 clib_warning ("VCL<%d>: configured app_proxy_transport_udp "
2227 VPPCOM_ENV_APP_PROXY_TRANSPORT_UDP
2228 "!", getpid (), vcm->cfg.app_proxy_transport_udp);
2230 if (getenv (VPPCOM_ENV_APP_SCOPE_LOCAL))
2232 vcm->cfg.app_scope_local = 1;
2233 if (VPPCOM_DEBUG > 0)
2234 clib_warning ("VCL<%d>: configured app_scope_local (%u) from "
2235 VPPCOM_ENV_APP_SCOPE_LOCAL
2236 "!", getpid (), vcm->cfg.app_scope_local);
2238 if (getenv (VPPCOM_ENV_APP_SCOPE_GLOBAL))
2240 vcm->cfg.app_scope_global = 1;
2241 if (VPPCOM_DEBUG > 0)
2242 clib_warning ("VCL<%d>: configured app_scope_global (%u) from "
2243 VPPCOM_ENV_APP_SCOPE_GLOBAL
2244 "!", getpid (), vcm->cfg.app_scope_global);
2247 vcm->main_cpu = os_get_thread_index ();
2248 heap = clib_mem_get_per_cpu_heap ();
2249 h = mheap_header (heap);
2251 /* make the main heap thread-safe */
2252 h->flags |= MHEAP_FLAG_THREAD_SAFE;
2254 vcm->session_index_by_vpp_handles = hash_create (0, sizeof (uword));
2256 clib_time_init (&vcm->clib_time);
2257 vppcom_init_error_string_table ();
2258 svm_fifo_segment_main_init (vcl_cfg->segment_baseva,
2259 20 /* timeout in secs */ );
2260 clib_spinlock_init (&vcm->sessions_lockp);
2263 if (vcm->my_client_index == ~0)
2266 /* API hookup and connect to VPP */
2267 vppcom_api_hookup ();
2268 vcm->app_state = STATE_APP_START;
2269 rv = vppcom_connect_to_vpp (app_name);
2272 clib_warning ("VCL<%d>: ERROR: couldn't connect to VPP!",
2277 /* State event handling thread */
2279 rv = vce_start_event_thread (&(vcm->event_thread), 20);
2282 if (VPPCOM_DEBUG > 0)
2283 clib_warning ("VCL<%d>: sending session enable", getpid ());
2285 rv = vppcom_app_session_enable ();
2288 clib_warning ("VCL<%d>: ERROR: vppcom_app_session_enable() "
2289 "failed!", getpid ());
2293 if (VPPCOM_DEBUG > 0)
2294 clib_warning ("VCL<%d>: sending app attach", getpid ());
2296 rv = vppcom_app_attach ();
2299 clib_warning ("VCL<%d>: ERROR: vppcom_app_attach() failed!",
2304 if (VPPCOM_DEBUG > 0)
2305 clib_warning ("VCL<%d>: app_name '%s', my_client_index %d (0x%x)",
2306 getpid (), app_name, vcm->my_client_index,
2307 vcm->my_client_index);
2314 vppcom_app_destroy (void)
2318 if (vcm->my_client_index == ~0)
2321 if (VPPCOM_DEBUG > 0)
2322 clib_warning ("VCL<%d>: detaching from VPP, my_client_index %d (0x%x)",
2323 getpid (), vcm->my_client_index, vcm->my_client_index);
2325 if (VPPCOM_DEBUG > 0)
2328 ELOG_TYPE_DECLARE (e) =
2330 .format = "app_detach:C:%d",
2331 .format_args = "i4",
2338 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, vcm->elog_track);
2339 ed->data = vcm->my_client_index;
2343 vppcom_app_detach ();
2344 rv = vppcom_wait_for_app_state_change (STATE_APP_ENABLED);
2345 if (PREDICT_FALSE (rv))
2347 if (VPPCOM_DEBUG > 0)
2348 clib_warning ("VCL<%d>: application detach timed out! "
2349 "returning %d (%s)",
2350 getpid (), rv, vppcom_retval_str (rv));
2353 /* Finished with logging before client gets reset to ~0 */
2354 if (VPPCOM_DEBUG > 0)
2357 vl_client_disconnect_from_vlib ();
2358 vcm->my_client_index = ~0;
2359 vcm->app_state = STATE_APP_START;
2363 vppcom_session_create (u8 proto, u8 is_nonblocking)
2367 session_state_t state;
2368 elog_track_t session_elog_track;
2370 clib_spinlock_lock (&vcm->sessions_lockp);
2371 pool_get (vcm->sessions, session);
2372 memset (session, 0, sizeof (*session));
2373 session_index = session - vcm->sessions;
2375 session->proto = proto;
2376 session->state = STATE_START;
2377 state = session->state;
2378 session->vpp_handle = ~0;
2381 VCL_SESS_ATTR_SET (session->attr, VCL_SESS_ATTR_NONBLOCK);
2383 VCL_SESS_ATTR_CLR (session->attr, VCL_SESS_ATTR_NONBLOCK);
2385 if (VPPCOM_DEBUG > 0)
2387 session->elog_track.name =
2388 (char *) format (0, "C:%d:S:%d%c", vcm->my_client_index,
2390 elog_track_register (&vcm->elog_main, &session->elog_track);
2391 session_elog_track = session->elog_track;
2394 clib_spinlock_unlock (&vcm->sessions_lockp);
2396 if (VPPCOM_DEBUG > 0)
2397 clib_warning ("VCL<%d>: sid %u", getpid (), session_index);
2399 if (VPPCOM_DEBUG > 0)
2402 ELOG_TYPE_DECLARE (e) =
2404 .format = "session_create:proto:%d state:%d is_nonblocking:%d",
2405 .format_args = "i4i4i4",
2413 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session_elog_track);
2414 ed->data[0] = proto;
2415 ed->data[1] = state;
2416 ed->data[2] = is_nonblocking;
2420 return (int) session_index;
2424 vppcom_session_close (uint32_t session_index)
2426 session_t *session = 0;
2434 session_state_t state;
2435 elog_track_t session_elog_track;
2437 VCL_LOCK_AND_GET_SESSION (session_index, &session);
2438 is_vep = session->is_vep;
2439 is_vep_session = session->is_vep_session;
2440 next_sid = session->vep.next_sid;
2441 vep_idx = session->vep.vep_idx;
2442 state = session->state;
2443 vpp_handle = session->vpp_handle;
2444 clib_spinlock_unlock (&vcm->sessions_lockp);
2447 * Why two if(VPPCOM_DEBUG) checks?
2449 * Eventually all clib_warnings need their own way of being
2450 * logged and signalled (like severity) where event logging
2451 * is a separate debugging tool. It will make the separation
2452 * easier. ... parting is such sweet sorrow ...
2454 if (VPPCOM_DEBUG > 0)
2456 session_elog_track = session->elog_track;
2459 if (VPPCOM_DEBUG > 0)
2462 clib_warning ("VCL<%d>: vep_idx %u / sid %u: "
2463 "closing epoll session...",
2464 getpid (), session_index, session_index);
2466 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %d: "
2467 "closing session...",
2468 getpid (), vpp_handle, session_index);
2473 while (next_sid != ~0)
2475 rv = vppcom_epoll_ctl (session_index, EPOLL_CTL_DEL, next_sid, 0);
2476 if ((VPPCOM_DEBUG > 0) && PREDICT_FALSE (rv < 0))
2477 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
2478 "EPOLL_CTL_DEL vep_idx %u failed! rv %d (%s)",
2479 getpid (), vpp_handle, next_sid, vep_idx,
2480 rv, vppcom_retval_str (rv));
2482 VCL_LOCK_AND_GET_SESSION (session_index, &session);
2483 next_sid = session->vep.next_sid;
2484 clib_spinlock_unlock (&vcm->sessions_lockp);
2491 rv = vppcom_epoll_ctl (vep_idx, EPOLL_CTL_DEL, session_index, 0);
2492 if ((VPPCOM_DEBUG > 0) && (rv < 0))
2493 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
2494 "EPOLL_CTL_DEL vep_idx %u failed! rv %d (%s)",
2495 getpid (), vpp_handle, session_index,
2496 vep_idx, rv, vppcom_retval_str (rv));
2499 if (state & STATE_LISTEN)
2501 rv = vppcom_session_unbind (session_index);
2502 if (PREDICT_FALSE (rv < 0))
2504 if (VPPCOM_DEBUG > 0)
2505 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
2506 "listener unbind failed! rv %d (%s)",
2507 getpid (), vpp_handle, session_index,
2508 rv, vppcom_retval_str (rv));
2512 else if (state & (CLIENT_STATE_OPEN | SERVER_STATE_OPEN))
2514 rv = vppcom_session_disconnect (session_index);
2515 if (PREDICT_FALSE (rv < 0))
2516 clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: "
2517 "session disconnect failed! rv %d (%s)",
2518 getpid (), vpp_handle, session_index,
2519 rv, vppcom_retval_str (rv));
2523 VCL_LOCK_AND_GET_SESSION (session_index, &session);
2524 vpp_handle = session->vpp_handle;
2525 if (vpp_handle != ~0)
2527 p = hash_get (vcm->session_index_by_vpp_handles, vpp_handle);
2529 hash_unset (vcm->session_index_by_vpp_handles, vpp_handle);
2531 pool_put_index (vcm->sessions, session_index);
2533 clib_spinlock_unlock (&vcm->sessions_lockp);
2535 if (VPPCOM_DEBUG > 0)
2538 clib_warning ("VCL<%d>: vep_idx %u / sid %u: epoll session removed.",
2539 getpid (), session_index, session_index);
2541 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: session removed.",
2542 getpid (), vpp_handle, session_index);
2546 if (VPPCOM_DEBUG > 0)
2549 ELOG_TYPE_DECLARE (e) =
2551 .format = "session_close:rv:%d",
2552 .format_args = "i4",
2560 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session_elog_track);
2569 vppcom_session_bind (uint32_t session_index, vppcom_endpt_t * ep)
2571 session_t *session = 0;
2575 return VPPCOM_EINVAL;
2577 VCL_LOCK_AND_GET_SESSION (session_index, &session);
2579 if (session->is_vep)
2581 clib_spinlock_unlock (&vcm->sessions_lockp);
2582 clib_warning ("VCL<%d>: ERROR: sid %u: cannot "
2583 "bind to an epoll session!", getpid (), session_index);
2588 session->lcl_addr.is_ip4 = ep->is_ip4;
2589 session->lcl_addr.ip46 = to_ip46 (!ep->is_ip4, ep->ip);
2590 session->lcl_port = ep->port;
2592 if (VPPCOM_DEBUG > 0)
2593 clib_warning ("VCL<%d>: sid %u: binding to local %s address %U "
2594 "port %u, proto %s", getpid (), session_index,
2595 session->lcl_addr.is_ip4 ? "IPv4" : "IPv6",
2596 format_ip46_address, &session->lcl_addr.ip46,
2597 session->lcl_addr.is_ip4,
2598 clib_net_to_host_u16 (session->lcl_port),
2599 session->proto ? "UDP" : "TCP");
2601 if (VPPCOM_DEBUG > 0)
2603 if (session->lcl_addr.is_ip4)
2606 ELOG_TYPE_DECLARE (e) =
2608 .format = "bind local:%s:%d.%d.%d.%d:%d ",
2609 .format_args = "t1i1i1i1i1i2",
2610 .n_enum_strings = 2,
2611 .enum_strings = {"TCP", "UDP",},
2614 CLIB_PACKED (struct {
2620 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
2621 ed->proto = session->proto;
2622 ed->addr[0] = session->lcl_addr.ip46.ip4.as_u8[0];
2623 ed->addr[1] = session->lcl_addr.ip46.ip4.as_u8[1];
2624 ed->addr[2] = session->lcl_addr.ip46.ip4.as_u8[2];
2625 ed->addr[3] = session->lcl_addr.ip46.ip4.as_u8[3];
2626 ed->port = clib_net_to_host_u16 (session->lcl_port);
2631 clib_spinlock_unlock (&vcm->sessions_lockp);
2637 vppcom_session_listen (uint32_t listen_session_index, uint32_t q_len)
2639 session_t *listen_session = 0;
2640 u64 listen_vpp_handle;
2643 if (q_len == 0 || q_len == ~0)
2644 q_len = vcm->cfg.listen_queue_size;
2646 VCL_LOCK_AND_GET_SESSION (listen_session_index, &listen_session);
2648 if (listen_session->is_vep)
2650 clib_spinlock_unlock (&vcm->sessions_lockp);
2651 clib_warning ("VCL<%d>: ERROR: sid %u: cannot listen on an "
2652 "epoll session!", getpid (), listen_session_index);
2657 listen_vpp_handle = listen_session->vpp_handle;
2658 if (listen_session->state & STATE_LISTEN)
2660 clib_spinlock_unlock (&vcm->sessions_lockp);
2661 if (VPPCOM_DEBUG > 0)
2662 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
2663 "already in listen state!",
2664 getpid (), listen_vpp_handle, listen_session_index);
2669 if (VPPCOM_DEBUG > 0)
2670 clib_warning ("VCL<%d>: vpp handle 0x%llx, "
2671 "sid %u: sending bind request...",
2672 getpid (), listen_vpp_handle, listen_session_index);
2674 vppcom_send_bind_sock (listen_session, listen_session_index);
2675 clib_spinlock_unlock (&vcm->sessions_lockp);
2677 vppcom_wait_for_session_state_change (listen_session_index, STATE_LISTEN,
2678 vcm->cfg.session_timeout);
2680 VCL_LOCK_AND_GET_SESSION (listen_session_index, &listen_session);
2681 if (PREDICT_FALSE (retval))
2683 if (VPPCOM_DEBUG > 0)
2684 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: bind failed! "
2685 "returning %d (%s)", getpid (),
2686 listen_session->vpp_handle, listen_session_index,
2687 retval, vppcom_retval_str (retval));
2688 clib_spinlock_unlock (&vcm->sessions_lockp);
2693 clib_fifo_validate (vcm->client_session_index_fifo, q_len);
2694 clib_spinlock_unlock (&vcm->sessions_lockp);
2700 validate_args_session_accept_ (session_t * listen_session)
2702 u32 listen_session_index = listen_session - vcm->sessions;
2704 /* Input validation - expects spinlock on sessions_lockp */
2705 if (listen_session->is_vep)
2707 clib_warning ("VCL<%d>: ERROR: sid %u: cannot accept on an "
2708 "epoll session!", getpid (), listen_session_index);
2709 return VPPCOM_EBADFD;
2712 if (listen_session->state != STATE_LISTEN)
2714 clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: "
2715 "not in listen state! state 0x%x (%s)", getpid (),
2716 listen_session->vpp_handle, listen_session_index,
2717 listen_session->state,
2718 vppcom_session_state_str (listen_session->state));
2719 return VPPCOM_EBADFD;
2725 vppcom_session_accept (uint32_t listen_session_index, vppcom_endpt_t * ep,
2728 session_t *listen_session = 0;
2729 session_t *client_session = 0;
2730 u32 client_session_index = ~0;
2732 u64 listen_vpp_handle;
2733 vce_event_handler_reg_t *reg;
2735 vce_event_connect_request_t *result;
2738 int millisecond_timeout = 1;
2739 int hours_timeout = 20 * 60 * 60;
2741 VCL_LOCK_AND_GET_SESSION (listen_session_index, &listen_session);
2742 listen_vpp_handle = listen_session->vpp_handle; // For debugging
2744 rv = validate_args_session_accept_ (listen_session);
2747 clib_spinlock_unlock (&vcm->sessions_lockp);
2751 /* Using an aggressive timer of 1ms and a generous timer of
2752 * 20 hours, we can implement a blocking and non-blocking listener
2753 * as both event and time driven */
2754 gettimeofday (&tv, NULL);
2755 ts.tv_nsec = (tv.tv_usec * 1000) + (1000 * millisecond_timeout);
2756 ts.tv_sec = tv.tv_sec;
2758 /* Predict that the Listener is blocking more often than not */
2759 if (PREDICT_TRUE (!VCL_SESS_ATTR_TEST (listen_session->attr,
2760 VCL_SESS_ATTR_NONBLOCK)))
2761 ts.tv_sec += hours_timeout;
2763 clib_spinlock_unlock (&vcm->sessions_lockp);
2765 /* Register handler for connect_request event on listen_session_index */
2766 vce_event_key_t evk;
2767 evk.session_index = listen_session_index;
2768 evk.eid = VCL_EVENT_CONNECT_REQ_ACCEPTED;
2769 reg = vce_register_handler (&vcm->event_thread, &evk,
2770 vce_connect_request_handler_fn);
2771 ev = vce_get_event_from_index (&vcm->event_thread, reg->ev_idx);
2773 result = (vce_event_connect_request_t *) ev->data;
2774 pthread_mutex_lock (®->handler_lock);
2775 while (!result->handled)
2778 pthread_cond_timedwait (®->handler_cond, ®->handler_lock, &ts);
2779 if (rv == ETIMEDOUT)
2785 client_session_index = result->accepted_session_index;
2789 /* Remove from the FIFO used to service epoll */
2790 clib_spinlock_lock (&vcm->sessions_lockp);
2791 if (clib_fifo_elts (vcm->client_session_index_fifo))
2793 u32 tmp_client_session_index;
2794 clib_fifo_sub1 (vcm->client_session_index_fifo,
2795 tmp_client_session_index);
2796 if (tmp_client_session_index != client_session_index)
2797 clib_fifo_add1 (vcm->client_session_index_fifo,
2798 tmp_client_session_index);
2800 clib_spinlock_unlock (&vcm->sessions_lockp);
2802 rv = vppcom_session_at_index (client_session_index, &client_session);
2803 if (PREDICT_FALSE (rv))
2805 rv = VPPCOM_ECONNABORTED;
2806 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: client sid %u "
2807 "lookup failed! returning %d (%s)", getpid (),
2808 listen_vpp_handle, listen_session_index,
2809 client_session_index, rv, vppcom_retval_str (rv));
2813 if (flags & O_NONBLOCK)
2814 VCL_SESS_ATTR_SET (client_session->attr, VCL_SESS_ATTR_NONBLOCK);
2816 VCL_SESS_ATTR_CLR (client_session->attr, VCL_SESS_ATTR_NONBLOCK);
2818 if (VPPCOM_DEBUG > 0)
2819 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: Got a client request! "
2820 "vpp handle 0x%llx, sid %u, flags %d, is_nonblocking %u",
2821 getpid (), listen_vpp_handle, listen_session_index,
2822 client_session->vpp_handle, client_session_index,
2823 flags, VCL_SESS_ATTR_TEST (client_session->attr,
2824 VCL_SESS_ATTR_NONBLOCK));
2828 ep->is_ip4 = client_session->peer_addr.is_ip4;
2829 ep->port = client_session->peer_port;
2830 if (client_session->peer_addr.is_ip4)
2831 clib_memcpy (ep->ip, &client_session->peer_addr.ip46.ip4,
2832 sizeof (ip4_address_t));
2834 clib_memcpy (ep->ip, &client_session->peer_addr.ip46.ip6,
2835 sizeof (ip6_address_t));
2838 vppcom_send_accept_session_reply (client_session->vpp_handle,
2839 client_session->client_context,
2840 0 /* retval OK */ );
2842 if (VPPCOM_DEBUG > 0)
2843 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: accepted vpp handle "
2844 "0x%llx, sid %u connection to local %s address "
2845 "%U port %u", getpid (), listen_vpp_handle,
2846 listen_session_index, client_session->vpp_handle,
2847 client_session_index,
2848 client_session->lcl_addr.is_ip4 ? "IPv4" : "IPv6",
2849 format_ip46_address, &client_session->lcl_addr.ip46,
2850 client_session->lcl_addr.is_ip4,
2851 clib_net_to_host_u16 (client_session->lcl_port));
2853 if (VPPCOM_DEBUG > 0)
2855 client_session->elog_track.name =
2856 (char *) format (0, "C:%d:S:%d%c", vcm->my_client_index,
2857 client_session_index, 0);
2858 elog_track_register (&vcm->elog_main, &client_session->elog_track);
2860 // Two elog entries due to 20-byte per entry constraint.
2862 ELOG_TYPE_DECLARE (e) =
2864 .format = "accept: listen_handle:%x from_handle:%x",
2865 .format_args = "i8i8",
2873 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, client_session->elog_track);
2874 ed->handle[0] = listen_vpp_handle;
2875 ed->handle[1] = client_session->vpp_handle;
2878 if (client_session->lcl_addr.is_ip4)
2881 ELOG_TYPE_DECLARE (e2) =
2883 .format = "accept: S:%d %d.%d.%d.%d:%d ",
2884 .format_args = "i4i1i1i1i1i2",
2887 CLIB_PACKED (struct {
2894 ELOG_TRACK_DATA (&vcm->elog_main, e2, client_session->elog_track);
2895 ed2->session = client_session_index;
2896 ed2->addr[0] = client_session->lcl_addr.ip46.ip4.as_u8[0];
2897 ed2->addr[1] = client_session->lcl_addr.ip46.ip4.as_u8[1];
2898 ed2->addr[2] = client_session->lcl_addr.ip46.ip4.as_u8[2];
2899 ed2->addr[3] = client_session->lcl_addr.ip46.ip4.as_u8[3];
2900 ed2->port = clib_net_to_host_u16 (client_session->lcl_port);
2905 clib_spinlock_unlock (&vcm->sessions_lockp);
2906 rv = (int) client_session_index;
2908 vce_clear_event (&vcm->event_thread, ev);
2910 vce_unregister_handler (&vcm->event_thread, ev);
2911 pthread_mutex_unlock (®->handler_lock);
2917 vppcom_session_connect (uint32_t session_index, vppcom_endpt_t * server_ep)
2919 session_t *session = 0;
2921 int rv, retval = VPPCOM_OK;
2923 VCL_LOCK_AND_GET_SESSION (session_index, &session);
2925 if (PREDICT_FALSE (session->is_vep))
2927 clib_spinlock_unlock (&vcm->sessions_lockp);
2928 clib_warning ("VCL<%d>: ERROR: sid %u: cannot "
2929 "connect on an epoll session!", getpid (), session_index);
2934 if (PREDICT_FALSE (session->state & CLIENT_STATE_OPEN))
2936 if (VPPCOM_DEBUG > 0)
2937 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: session already "
2938 "connected to %s %U port %d proto %s, state 0x%x (%s)",
2939 getpid (), session->vpp_handle, session_index,
2940 session->peer_addr.is_ip4 ? "IPv4" : "IPv6",
2941 format_ip46_address,
2942 &session->peer_addr.ip46, session->peer_addr.is_ip4,
2943 clib_net_to_host_u16 (session->peer_port),
2944 session->proto ? "UDP" : "TCP", session->state,
2945 vppcom_session_state_str (session->state));
2947 clib_spinlock_unlock (&vcm->sessions_lockp);
2951 session->peer_addr.is_ip4 = server_ep->is_ip4;
2952 session->peer_addr.ip46 = to_ip46 (!server_ep->is_ip4, server_ep->ip);
2953 session->peer_port = server_ep->port;
2955 if (VPPCOM_DEBUG > 0)
2956 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: connecting to server "
2957 "%s %U port %d proto %s",
2958 getpid (), session->vpp_handle, session_index,
2959 session->peer_addr.is_ip4 ? "IPv4" : "IPv6",
2960 format_ip46_address,
2961 &session->peer_addr.ip46, session->peer_addr.is_ip4,
2962 clib_net_to_host_u16 (session->peer_port),
2963 session->proto ? "UDP" : "TCP");
2965 vppcom_send_connect_sock (session, session_index);
2966 clib_spinlock_unlock (&vcm->sessions_lockp);
2969 vppcom_wait_for_session_state_change (session_index, STATE_CONNECT,
2970 vcm->cfg.session_timeout);
2972 VCL_LOCK_AND_GET_SESSION (session_index, &session);
2973 vpp_handle = session->vpp_handle;
2974 clib_spinlock_unlock (&vcm->sessions_lockp);
2977 if (PREDICT_FALSE (retval))
2980 if (VPPCOM_DEBUG > 0)
2984 ("VCL<%d>: vpp handle 0x%llx, sid %u: connect failed! "
2985 "returning %d (%s)", getpid (), vpp_handle,
2986 session_index, rv, vppcom_retval_str (rv));
2988 clib_warning ("VCL<%d>: no session for sid %u: connect failed! "
2989 "returning %d (%s)", getpid (),
2990 session_index, rv, vppcom_retval_str (rv));
2993 else if (VPPCOM_DEBUG > 0)
2994 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: connected!",
2995 getpid (), vpp_handle, session_index);
3001 vppcom_session_read_internal (uint32_t session_index, void *buf, int n,
3004 session_t *session = 0;
3005 svm_fifo_t *rx_fifo;
3012 session_state_t state;
3016 VCL_LOCK_AND_GET_SESSION (session_index, &session);
3018 is_nonblocking = VCL_SESS_ATTR_TEST (session->attr, VCL_SESS_ATTR_NONBLOCK);
3019 rx_fifo = session->rx_fifo;
3020 state = session->state;
3021 vpp_handle = session->vpp_handle;
3023 if (PREDICT_FALSE (session->is_vep))
3025 clib_spinlock_unlock (&vcm->sessions_lockp);
3026 clib_warning ("VCL<%d>: ERROR: sid %u: cannot "
3027 "read from an epoll session!", getpid (), session_index);
3032 if (PREDICT_FALSE (!(state & (SERVER_STATE_OPEN | CLIENT_STATE_OPEN))))
3034 clib_spinlock_unlock (&vcm->sessions_lockp);
3035 rv = ((state & STATE_DISCONNECT) ? VPPCOM_ECONNRESET : VPPCOM_ENOTCONN);
3037 if (VPPCOM_DEBUG > 0)
3038 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: %s session is "
3039 "not open! state 0x%x (%s), returning %d (%s)",
3040 getpid (), vpp_handle, session_index, state,
3041 vppcom_session_state_str (state),
3042 rv, vppcom_retval_str (rv));
3046 clib_spinlock_unlock (&vcm->sessions_lockp);
3051 n_read = svm_fifo_peek (rx_fifo, 0, n, buf);
3053 n_read = svm_fifo_dequeue_nowait (rx_fifo, n, buf);
3055 while (!is_nonblocking && (n_read <= 0));
3059 VCL_LOCK_AND_GET_SESSION (session_index, &session);
3061 poll_et = (((EPOLLET | EPOLLIN) & session->vep.ev.events) ==
3062 (EPOLLET | EPOLLIN));
3064 session->vep.et_mask |= EPOLLIN;
3066 if (state & STATE_CLOSE_ON_EMPTY)
3068 rv = VPPCOM_ECONNRESET;
3070 if (VPPCOM_DEBUG > 1)
3072 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: Empty fifo "
3073 "with session state 0x%x (%s)!"
3074 " Setting state to 0x%x (%s), returning %d (%s)",
3075 getpid (), session->vpp_handle, session_index,
3076 state, vppcom_session_state_str (state),
3078 vppcom_session_state_str (STATE_DISCONNECT), rv,
3079 vppcom_retval_str (rv));
3082 session->state = STATE_DISCONNECT;
3087 clib_spinlock_unlock (&vcm->sessions_lockp);
3092 if (VPPCOM_DEBUG > 2)
3095 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: read %d bytes "
3096 "from (%p)", getpid (), vpp_handle,
3097 session_index, n_read, rx_fifo);
3099 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: nothing read! "
3100 "returning %d (%s)", getpid (), vpp_handle,
3101 session_index, rv, vppcom_retval_str (rv));
3108 vppcom_session_read (uint32_t session_index, void *buf, size_t n)
3110 return (vppcom_session_read_internal (session_index, buf, n, 0));
3114 vppcom_session_peek (uint32_t session_index, void *buf, int n)
3116 return (vppcom_session_read_internal (session_index, buf, n, 1));
3120 vppcom_session_read_ready (session_t * session, u32 session_index)
3125 session_state_t state = session->state;
3126 u64 vpp_handle = session->vpp_handle;
3128 /* Assumes caller has acquired spinlock: vcm->sessions_lockp */
3129 if (PREDICT_FALSE (session->is_vep))
3131 clib_warning ("VCL<%d>: ERROR: sid %u: cannot read from an "
3132 "epoll session!", getpid (), session_index);
3137 if (session->state & STATE_LISTEN)
3139 ready = clib_fifo_elts (vcm->client_session_index_fifo);
3143 if (!(state & (SERVER_STATE_OPEN | CLIENT_STATE_OPEN | STATE_LISTEN)))
3145 rv = ((state & STATE_DISCONNECT) ? VPPCOM_ECONNRESET :
3148 if (VPPCOM_DEBUG > 1)
3149 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: session is "
3150 "not open! state 0x%x (%s), returning %d (%s)",
3151 getpid (), vpp_handle, session_index,
3152 state, vppcom_session_state_str (state),
3153 rv, vppcom_retval_str (rv));
3157 ready = svm_fifo_max_dequeue (session->rx_fifo);
3163 ((EPOLLET | EPOLLIN) & session->vep.ev.events) == (EPOLLET | EPOLLIN);
3165 session->vep.et_mask |= EPOLLIN;
3167 if (state & STATE_CLOSE_ON_EMPTY)
3169 rv = VPPCOM_ECONNRESET;
3171 if (VPPCOM_DEBUG > 1)
3173 clib_warning ("VCL<%d>: vpp handle 0x%llx, "
3174 "sid %u: Empty fifo with"
3175 " session state 0x%x (%s)! Setting state to "
3176 "0x%x (%s), returning %d (%s)",
3177 getpid (), session_index, vpp_handle,
3178 state, vppcom_session_state_str (state),
3180 vppcom_session_state_str (STATE_DISCONNECT), rv,
3181 vppcom_retval_str (rv));
3183 session->state = STATE_DISCONNECT;
3189 if (vcm->app_event_queue->cursize &&
3190 !pthread_mutex_trylock (&vcm->app_event_queue->mutex))
3192 u32 i, n_to_dequeue = vcm->app_event_queue->cursize;
3193 session_fifo_event_t e;
3195 for (i = 0; i < n_to_dequeue; i++)
3196 svm_queue_sub_raw (vcm->app_event_queue, (u8 *) & e);
3198 pthread_mutex_unlock (&vcm->app_event_queue->mutex);
3205 vppcom_session_write (uint32_t session_index, void *buf, size_t n)
3207 session_t *session = 0;
3208 svm_fifo_t *tx_fifo = 0;
3210 session_fifo_event_t evt;
3211 session_state_t state;
3212 int rv, n_write, is_nonblocking;
3218 VCL_LOCK_AND_GET_SESSION (session_index, &session);
3220 tx_fifo = session->tx_fifo;
3221 is_nonblocking = VCL_SESS_ATTR_TEST (session->attr, VCL_SESS_ATTR_NONBLOCK);
3222 vpp_handle = session->vpp_handle;
3223 state = session->state;
3225 if (PREDICT_FALSE (session->is_vep))
3227 clib_spinlock_unlock (&vcm->sessions_lockp);
3228 clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: "
3229 "cannot write to an epoll session!",
3230 getpid (), vpp_handle, session_index);
3236 if (!(session->state & (SERVER_STATE_OPEN | CLIENT_STATE_OPEN)))
3239 ((session->state & STATE_DISCONNECT) ? VPPCOM_ECONNRESET :
3242 clib_spinlock_unlock (&vcm->sessions_lockp);
3243 if (VPPCOM_DEBUG > 1)
3244 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
3245 "session is not open! state 0x%x (%s)",
3246 getpid (), vpp_handle, session_index,
3247 state, vppcom_session_state_str (state));
3251 clib_spinlock_unlock (&vcm->sessions_lockp);
3255 n_write = svm_fifo_enqueue_nowait (tx_fifo, n, (void *) buf);
3257 while (!is_nonblocking && (n_write <= 0));
3259 /* If event wasn't set, add one */
3260 if ((n_write > 0) && svm_fifo_set_event (tx_fifo))
3262 /* Fabricate TX event, send to vpp */
3264 evt.event_type = FIFO_EVENT_APP_TX;
3266 VCL_LOCK_AND_GET_SESSION (session_index, &session);
3267 q = session->vpp_event_queue;
3269 svm_queue_add (q, (u8 *) & evt, 0 /* do wait for mutex */ );
3270 clib_spinlock_unlock (&vcm->sessions_lockp);
3271 if (VPPCOM_DEBUG > 1)
3272 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
3273 "added FIFO_EVENT_APP_TX to "
3274 "vpp_event_q %p, n_write %d", getpid (),
3275 vpp_handle, session_index, q, n_write);
3280 VCL_LOCK_AND_GET_SESSION (session_index, &session);
3282 poll_et = (((EPOLLET | EPOLLOUT) & session->vep.ev.events) ==
3283 (EPOLLET | EPOLLOUT));
3285 session->vep.et_mask |= EPOLLOUT;
3287 if (session->state & STATE_CLOSE_ON_EMPTY)
3289 rv = VPPCOM_ECONNRESET;
3291 if (VPPCOM_DEBUG > 1)
3293 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
3294 "Empty fifo with session state 0x%x (%s)!"
3295 " Setting state to 0x%x (%s), returning %d (%s)",
3296 getpid (), session->vpp_handle, session_index,
3298 vppcom_session_state_str (session->state),
3300 vppcom_session_state_str (STATE_DISCONNECT), rv,
3301 vppcom_retval_str (rv));
3304 session->state = STATE_DISCONNECT;
3309 clib_spinlock_unlock (&vcm->sessions_lockp);
3314 if (VPPCOM_DEBUG > 2)
3317 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
3318 "FIFO-FULL (%p)", getpid (), vpp_handle,
3319 session_index, tx_fifo);
3321 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
3322 "wrote %d bytes tx-fifo: (%p)", getpid (),
3323 vpp_handle, session_index, n_write, tx_fifo);
3330 vppcom_session_write_ready (session_t * session, u32 session_index)
3338 /* Assumes caller has acquired spinlock: vcm->sessions_lockp */
3339 if (PREDICT_FALSE (session->is_vep))
3341 clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: "
3342 "cannot write to an epoll session!",
3343 getpid (), session->vpp_handle, session_index);
3348 if (PREDICT_FALSE (session->state & STATE_LISTEN))
3350 clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: "
3351 "cannot write to a listen session!",
3352 getpid (), session->vpp_handle, session_index);
3357 if (!(session->state & (SERVER_STATE_OPEN | CLIENT_STATE_OPEN)))
3359 session_state_t state = session->state;
3361 rv = ((state & STATE_DISCONNECT) ? VPPCOM_ECONNRESET : VPPCOM_ENOTCONN);
3363 clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: "
3364 "session is not open! state 0x%x (%s), "
3365 "returning %d (%s)", getpid (), session->vpp_handle,
3367 state, vppcom_session_state_str (state),
3368 rv, vppcom_retval_str (rv));
3372 ready = svm_fifo_max_enqueue (session->tx_fifo);
3374 if (VPPCOM_DEBUG > 3)
3375 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
3376 "peek %s (%p), ready = %d", getpid (),
3377 session->vpp_handle, session_index,
3378 session->tx_fifo, ready);
3382 poll_et = (((EPOLLET | EPOLLOUT) & session->vep.ev.events) ==
3383 (EPOLLET | EPOLLOUT));
3385 session->vep.et_mask |= EPOLLOUT;
3387 if (session->state & STATE_CLOSE_ON_EMPTY)
3389 rv = VPPCOM_ECONNRESET;
3391 if (VPPCOM_DEBUG > 1)
3393 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
3394 "Empty fifo with session "
3395 "state 0x%x (%s)! Setting state to 0x%x (%s), "
3396 "returning %d (%s)", getpid (),
3397 session->vpp_handle, session_index,
3399 vppcom_session_state_str (session->state),
3401 vppcom_session_state_str (STATE_DISCONNECT), rv,
3402 vppcom_retval_str (rv));
3404 session->state = STATE_DISCONNECT;
3414 vppcom_select (unsigned long n_bits, unsigned long *read_map,
3415 unsigned long *write_map, unsigned long *except_map,
3416 double time_to_wait)
3419 session_t *session = 0;
3420 int rv, bits_set = 0;
3421 f64 timeout = clib_time_now (&vcm->clib_time) + time_to_wait;
3422 u32 minbits = clib_max (n_bits, BITS (uword));
3424 ASSERT (sizeof (clib_bitmap_t) == sizeof (long int));
3426 if (n_bits && read_map)
3428 clib_bitmap_validate (vcm->rd_bitmap, minbits);
3429 clib_memcpy (vcm->rd_bitmap, read_map,
3430 vec_len (vcm->rd_bitmap) * sizeof (clib_bitmap_t));
3431 memset (read_map, 0, vec_len (vcm->rd_bitmap) * sizeof (clib_bitmap_t));
3433 if (n_bits && write_map)
3435 clib_bitmap_validate (vcm->wr_bitmap, minbits);
3436 clib_memcpy (vcm->wr_bitmap, write_map,
3437 vec_len (vcm->wr_bitmap) * sizeof (clib_bitmap_t));
3438 memset (write_map, 0,
3439 vec_len (vcm->wr_bitmap) * sizeof (clib_bitmap_t));
3441 if (n_bits && except_map)
3443 clib_bitmap_validate (vcm->ex_bitmap, minbits);
3444 clib_memcpy (vcm->ex_bitmap, except_map,
3445 vec_len (vcm->ex_bitmap) * sizeof (clib_bitmap_t));
3446 memset (except_map, 0,
3447 vec_len (vcm->ex_bitmap) * sizeof (clib_bitmap_t));
3457 clib_bitmap_foreach (session_index, vcm->rd_bitmap,
3459 clib_spinlock_lock (&vcm->sessions_lockp);
3460 rv = vppcom_session_at_index (session_index, &session);
3463 clib_spinlock_unlock (&vcm->sessions_lockp);
3464 if (VPPCOM_DEBUG > 1)
3465 clib_warning ("VCL<%d>: session %d specified in "
3466 "read_map is closed.", getpid (),
3468 bits_set = VPPCOM_EBADFD;
3472 rv = vppcom_session_read_ready (session, session_index);
3473 clib_spinlock_unlock (&vcm->sessions_lockp);
3474 if (except_map && vcm->ex_bitmap &&
3475 clib_bitmap_get (vcm->ex_bitmap, session_index) &&
3478 clib_bitmap_set_no_check (except_map, session_index, 1);
3483 clib_bitmap_set_no_check (read_map, session_index, 1);
3491 clib_bitmap_foreach (session_index, vcm->wr_bitmap,
3493 clib_spinlock_lock (&vcm->sessions_lockp);
3494 rv = vppcom_session_at_index (session_index, &session);
3497 clib_spinlock_unlock (&vcm->sessions_lockp);
3498 if (VPPCOM_DEBUG > 0)
3499 clib_warning ("VCL<%d>: session %d specified in "
3500 "write_map is closed.", getpid (),
3502 bits_set = VPPCOM_EBADFD;
3506 rv = vppcom_session_write_ready (session, session_index);
3507 clib_spinlock_unlock (&vcm->sessions_lockp);
3508 if (write_map && (rv > 0))
3510 clib_bitmap_set_no_check (write_map, session_index, 1);
3518 clib_bitmap_foreach (session_index, vcm->ex_bitmap,
3520 clib_spinlock_lock (&vcm->sessions_lockp);
3521 rv = vppcom_session_at_index (session_index, &session);
3524 clib_spinlock_unlock (&vcm->sessions_lockp);
3525 if (VPPCOM_DEBUG > 1)
3526 clib_warning ("VCL<%d>: session %d specified in "
3527 "except_map is closed.", getpid (),
3529 bits_set = VPPCOM_EBADFD;
3533 rv = vppcom_session_read_ready (session, session_index);
3534 clib_spinlock_unlock (&vcm->sessions_lockp);
3537 clib_bitmap_set_no_check (except_map, session_index, 1);
3545 while ((time_to_wait == -1) || (clib_time_now (&vcm->clib_time) < timeout));
3552 vep_verify_epoll_chain (u32 vep_idx)
3555 vppcom_epoll_t *vep;
3559 if (VPPCOM_DEBUG <= 1)
3562 /* Assumes caller has acquired spinlock: vcm->sessions_lockp */
3563 rv = vppcom_session_at_index (vep_idx, &session);
3564 if (PREDICT_FALSE (rv))
3566 clib_warning ("VCL<%d>: ERROR: Invalid vep_idx (%u)!",
3567 getpid (), vep_idx);
3570 if (PREDICT_FALSE (!session->is_vep))
3572 clib_warning ("VCL<%d>: ERROR: vep_idx (%u) is not a vep!",
3573 getpid (), vep_idx);
3576 vep = &session->vep;
3577 clib_warning ("VCL<%d>: vep_idx (%u): Dumping epoll chain\n"
3580 " is_vep_session = %u\n"
3581 " next_sid = 0x%x (%u)\n"
3582 " wait_cont_idx = 0x%x (%u)\n"
3583 "}\n", getpid (), vep_idx,
3584 session->is_vep, session->is_vep_session,
3585 vep->next_sid, vep->next_sid,
3586 session->wait_cont_idx, session->wait_cont_idx);
3588 for (sid = vep->next_sid; sid != ~0; sid = vep->next_sid)
3590 rv = vppcom_session_at_index (sid, &session);
3591 if (PREDICT_FALSE (rv))
3593 clib_warning ("VCL<%d>: ERROR: Invalid sid (%u)!", getpid (), sid);
3596 if (PREDICT_FALSE (session->is_vep))
3597 clib_warning ("VCL<%d>: ERROR: sid (%u) is a vep!",
3598 getpid (), vep_idx);
3599 else if (PREDICT_FALSE (!session->is_vep_session))
3601 clib_warning ("VCL<%d>: ERROR: session (%u) "
3602 "is not a vep session!", getpid (), sid);
3605 vep = &session->vep;
3606 if (PREDICT_FALSE (vep->vep_idx != vep_idx))
3607 clib_warning ("VCL<%d>: ERROR: session (%u) vep_idx (%u) != "
3608 "vep_idx (%u)!", getpid (),
3609 sid, session->vep.vep_idx, vep_idx);
3610 if (session->is_vep_session)
3612 clib_warning ("vep_idx[%u]: sid 0x%x (%u)\n"
3614 " next_sid = 0x%x (%u)\n"
3615 " prev_sid = 0x%x (%u)\n"
3616 " vep_idx = 0x%x (%u)\n"
3617 " ev.events = 0x%x\n"
3618 " ev.data.u64 = 0x%llx\n"
3622 vep->next_sid, vep->next_sid,
3623 vep->prev_sid, vep->prev_sid,
3624 vep->vep_idx, vep->vep_idx,
3625 vep->ev.events, vep->ev.data.u64, vep->et_mask);
3630 clib_warning ("VCL<%d>: vep_idx (%u): Dump complete!\n",
3631 getpid (), vep_idx);
3635 vppcom_epoll_create (void)
3637 session_t *vep_session;
3639 elog_track_t vep_elog_track;
3641 clib_spinlock_lock (&vcm->sessions_lockp);
3642 pool_get (vcm->sessions, vep_session);
3643 memset (vep_session, 0, sizeof (*vep_session));
3644 vep_idx = vep_session - vcm->sessions;
3646 vep_session->is_vep = 1;
3647 vep_session->vep.vep_idx = ~0;
3648 vep_session->vep.next_sid = ~0;
3649 vep_session->vep.prev_sid = ~0;
3650 vep_session->wait_cont_idx = ~0;
3651 vep_session->vpp_handle = ~0;
3653 if (VPPCOM_DEBUG > 0)
3655 vep_session->elog_track.name =
3656 (char *) format (0, "C:%d:VEP:%d%c", vcm->my_client_index,
3658 elog_track_register (&vcm->elog_main, &vep_session->elog_track);
3659 vep_elog_track = vep_session->elog_track;
3662 clib_spinlock_unlock (&vcm->sessions_lockp);
3664 if (VPPCOM_DEBUG > 0)
3665 clib_warning ("VCL<%d>: Created vep_idx %u / sid %u!",
3666 getpid (), vep_idx, vep_idx);
3668 if (VPPCOM_DEBUG > 0)
3672 ELOG_TYPE_DECLARE (e) =
3674 .format = "created epoll session:%d",
3675 .format_args = "i4",
3683 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, vep_elog_track);
3692 vppcom_epoll_ctl (uint32_t vep_idx, int op, uint32_t session_index,
3693 struct epoll_event *event)
3695 session_t *vep_session;
3697 vce_event_handler_reg_t *reg = 0;
3698 vce_event_t *ev = 0;
3701 if (vep_idx == session_index)
3703 clib_warning ("VCL<%d>: ERROR: vep_idx == session_index (%u)!",
3704 getpid (), vep_idx);
3705 return VPPCOM_EINVAL;
3708 clib_spinlock_lock (&vcm->sessions_lockp);
3709 rv = vppcom_session_at_index (vep_idx, &vep_session);
3710 if (PREDICT_FALSE (rv))
3712 clib_warning ("VCL<%d>: ERROR: Invalid vep_idx (%u)!", vep_idx);
3715 if (PREDICT_FALSE (!vep_session->is_vep))
3717 clib_warning ("VCL<%d>: ERROR: vep_idx (%u) is not a vep!",
3718 getpid (), vep_idx);
3723 ASSERT (vep_session->vep.vep_idx == ~0);
3724 ASSERT (vep_session->vep.prev_sid == ~0);
3726 rv = vppcom_session_at_index (session_index, &session);
3727 if (PREDICT_FALSE (rv))
3729 if (VPPCOM_DEBUG > 0)
3730 clib_warning ("VCL<%d>: ERROR: Invalid session_index (%u)!",
3731 getpid (), session_index);
3734 if (PREDICT_FALSE (session->is_vep))
3736 clib_warning ("ERROR: session_index (%u) is a vep!", vep_idx);
3744 if (PREDICT_FALSE (!event))
3746 clib_warning ("VCL<%d>: ERROR: EPOLL_CTL_ADD: NULL pointer to "
3747 "epoll_event structure!", getpid ());
3751 if (vep_session->vep.next_sid != ~0)
3753 session_t *next_session;
3754 rv = vppcom_session_at_index (vep_session->vep.next_sid,
3756 if (PREDICT_FALSE (rv))
3758 clib_warning ("VCL<%d>: ERROR: EPOLL_CTL_ADD: Invalid "
3759 "vep.next_sid (%u) on vep_idx (%u)!",
3760 getpid (), vep_session->vep.next_sid, vep_idx);
3763 ASSERT (next_session->vep.prev_sid == vep_idx);
3764 next_session->vep.prev_sid = session_index;
3766 session->vep.next_sid = vep_session->vep.next_sid;
3767 session->vep.prev_sid = vep_idx;
3768 session->vep.vep_idx = vep_idx;
3769 session->vep.et_mask = VEP_DEFAULT_ET_MASK;
3770 session->vep.ev = *event;
3771 session->is_vep = 0;
3772 session->is_vep_session = 1;
3773 vep_session->vep.next_sid = session_index;
3775 /* VCL Event Register handler */
3776 if (session->state & STATE_LISTEN)
3778 /* Register handler for connect_request event on listen_session_index */
3779 vce_event_key_t evk;
3780 evk.session_index = session_index;
3781 evk.eid = VCL_EVENT_CONNECT_REQ_ACCEPTED;
3782 reg = vce_register_handler (&vcm->event_thread, &evk,
3783 vce_epoll_wait_connect_request_handler_fn);
3785 if (VPPCOM_DEBUG > 1)
3786 clib_warning ("VCL<%d>: EPOLL_CTL_ADD: vep_idx %u, "
3787 "sid %u, events 0x%x, data 0x%llx!",
3788 getpid (), vep_idx, session_index,
3789 event->events, event->data.u64);
3790 if (VPPCOM_DEBUG > 0)
3793 ELOG_TYPE_DECLARE (e) =
3795 .format = "epoll_ctladd: events:%x data:%x",
3796 .format_args = "i4i4i8",
3804 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
3806 ed->events = event->events;
3807 ed->event_data = event->data.u64;
3813 if (PREDICT_FALSE (!event))
3815 clib_warning ("VCL<%d>: ERROR: EPOLL_CTL_MOD: NULL pointer to "
3816 "epoll_event structure!", getpid ());
3820 else if (PREDICT_FALSE (!session->is_vep_session))
3822 clib_warning ("VCL<%d>: ERROR: sid %u EPOLL_CTL_MOD: "
3823 "not a vep session!", getpid (), session_index);
3827 else if (PREDICT_FALSE (session->vep.vep_idx != vep_idx))
3829 clib_warning ("VCL<%d>: ERROR: sid %u EPOLL_CTL_MOD: "
3830 "vep_idx (%u) != vep_idx (%u)!",
3831 getpid (), session_index,
3832 session->vep.vep_idx, vep_idx);
3836 session->vep.et_mask = VEP_DEFAULT_ET_MASK;
3837 session->vep.ev = *event;
3838 if (VPPCOM_DEBUG > 1)
3840 ("VCL<%d>: EPOLL_CTL_MOD: vep_idx %u, sid %u, events 0x%x,"
3841 " data 0x%llx!", getpid (), vep_idx, session_index, event->events,
3846 if (PREDICT_FALSE (!session->is_vep_session))
3848 clib_warning ("VCL<%d>: ERROR: sid %u EPOLL_CTL_DEL: "
3849 "not a vep session!", getpid (), session_index);
3853 else if (PREDICT_FALSE (session->vep.vep_idx != vep_idx))
3855 clib_warning ("VCL<%d>: ERROR: sid %u EPOLL_CTL_DEL: "
3856 "vep_idx (%u) != vep_idx (%u)!",
3857 getpid (), session_index,
3858 session->vep.vep_idx, vep_idx);
3863 /* VCL Event Un-register handler */
3864 if ((session->state & STATE_LISTEN) && reg)
3866 ev = vce_get_event_from_index (&vcm->event_thread, reg->ev_idx);
3867 vce_unregister_handler (&vcm->event_thread, ev);
3870 vep_session->wait_cont_idx =
3871 (vep_session->wait_cont_idx == session_index) ?
3872 session->vep.next_sid : vep_session->wait_cont_idx;
3874 if (session->vep.prev_sid == vep_idx)
3875 vep_session->vep.next_sid = session->vep.next_sid;
3878 session_t *prev_session;
3879 rv = vppcom_session_at_index (session->vep.prev_sid, &prev_session);
3880 if (PREDICT_FALSE (rv))
3882 clib_warning ("VCL<%d>: ERROR: EPOLL_CTL_DEL: Invalid "
3883 "vep.prev_sid (%u) on sid (%u)!",
3884 getpid (), session->vep.prev_sid, session_index);
3887 ASSERT (prev_session->vep.next_sid == session_index);
3888 prev_session->vep.next_sid = session->vep.next_sid;
3890 if (session->vep.next_sid != ~0)
3892 session_t *next_session;
3893 rv = vppcom_session_at_index (session->vep.next_sid, &next_session);
3894 if (PREDICT_FALSE (rv))
3896 clib_warning ("VCL<%d>: ERROR: EPOLL_CTL_DEL: Invalid "
3897 "vep.next_sid (%u) on sid (%u)!",
3898 getpid (), session->vep.next_sid, session_index);
3901 ASSERT (next_session->vep.prev_sid == session_index);
3902 next_session->vep.prev_sid = session->vep.prev_sid;
3905 memset (&session->vep, 0, sizeof (session->vep));
3906 session->vep.next_sid = ~0;
3907 session->vep.prev_sid = ~0;
3908 session->vep.vep_idx = ~0;
3909 session->is_vep_session = 0;
3910 if (VPPCOM_DEBUG > 1)
3911 clib_warning ("VCL<%d>: EPOLL_CTL_DEL: vep_idx %u, sid %u!",
3912 getpid (), vep_idx, session_index);
3913 if (VPPCOM_DEBUG > 0)
3916 ELOG_TYPE_DECLARE (e) =
3918 .format = "epoll_ctldel: vep:%d",
3919 .format_args = "i4",
3926 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
3934 clib_warning ("VCL<%d>: ERROR: Invalid operation (%d)!", getpid (), op);
3938 vep_verify_epoll_chain (vep_idx);
3941 clib_spinlock_unlock (&vcm->sessions_lockp);
3946 vppcom_epoll_wait (uint32_t vep_idx, struct epoll_event *events,
3947 int maxevents, double wait_for_time)
3949 session_t *vep_session;
3950 elog_track_t vep_elog_track;
3952 f64 timeout = clib_time_now (&vcm->clib_time) + wait_for_time;
3953 u32 keep_trying = 1;
3955 u32 vep_next_sid, wait_cont_idx;
3958 if (PREDICT_FALSE (maxevents <= 0))
3960 clib_warning ("VCL<%d>: ERROR: Invalid maxevents (%d)!",
3961 getpid (), maxevents);
3962 return VPPCOM_EINVAL;
3964 memset (events, 0, sizeof (*events) * maxevents);
3966 VCL_LOCK_AND_GET_SESSION (vep_idx, &vep_session);
3967 vep_next_sid = vep_session->vep.next_sid;
3968 is_vep = vep_session->is_vep;
3969 wait_cont_idx = vep_session->wait_cont_idx;
3970 vep_elog_track = vep_session->elog_track;
3971 clib_spinlock_unlock (&vcm->sessions_lockp);
3973 if (PREDICT_FALSE (!is_vep))
3975 clib_warning ("VCL<%d>: ERROR: vep_idx (%u) is not a vep!",
3976 getpid (), vep_idx);
3980 if (PREDICT_FALSE (vep_next_sid == ~0))
3982 if (VPPCOM_DEBUG > 1)
3983 clib_warning ("VCL<%d>: WARNING: vep_idx (%u) is empty!",
3984 getpid (), vep_idx);
3985 if (VPPCOM_DEBUG > 1)
3988 ELOG_TYPE_DECLARE (e) =
3990 .format = "WRN: vep_idx:%d empty",
3991 .format_args = "i4",
3998 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, vep_elog_track);
4011 elog_track_t session_elog_track;
4013 for (sid = (wait_cont_idx == ~0) ? vep_next_sid : wait_cont_idx;
4014 sid != ~0; sid = next_sid)
4016 u32 session_events, et_mask, clear_et_mask, session_vep_idx;
4017 u8 add_event, is_vep_session;
4019 u64 session_ev_data;
4021 VCL_LOCK_AND_GET_SESSION (sid, &session);
4022 next_sid = session->vep.next_sid;
4023 session_events = session->vep.ev.events;
4024 et_mask = session->vep.et_mask;
4025 is_vep = session->is_vep;
4026 is_vep_session = session->is_vep_session;
4027 session_vep_idx = session->vep.vep_idx;
4028 session_ev_data = session->vep.ev.data.u64;
4030 if (VPPCOM_DEBUG > 0)
4032 session_elog_track = session->elog_track;
4035 clib_spinlock_unlock (&vcm->sessions_lockp);
4037 if (PREDICT_FALSE (is_vep))
4039 if (VPPCOM_DEBUG > 0)
4040 clib_warning ("VCL<%d>: ERROR: sid (%u) is a vep!",
4041 getpid (), vep_idx);
4042 if (VPPCOM_DEBUG > 0)
4045 ELOG_TYPE_DECLARE (e) =
4047 .format = "ERR:vep_idx:%d is vep",
4048 .format_args = "i4",
4055 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session_elog_track);
4064 if (PREDICT_FALSE (!is_vep_session))
4066 if (VPPCOM_DEBUG > 0)
4067 clib_warning ("VCL<%d>: ERROR: session (%u) is not "
4068 "a vep session!", getpid (), sid);
4069 if (VPPCOM_DEBUG > 0)
4072 ELOG_TYPE_DECLARE (e) =
4074 .format = "ERR:SID:%d not vep",
4075 .format_args = "i4",
4082 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session_elog_track);
4091 if (PREDICT_FALSE (session_vep_idx != vep_idx))
4093 clib_warning ("VCL<%d>: ERROR: session (%u) "
4094 "vep_idx (%u) != vep_idx (%u)!",
4095 getpid (), sid, session_vep_idx, vep_idx);
4100 add_event = clear_et_mask = 0;
4102 if (EPOLLIN & session_events)
4104 VCL_LOCK_AND_GET_SESSION (sid, &session);
4105 ready = vppcom_session_read_ready (session, sid);
4106 clib_spinlock_unlock (&vcm->sessions_lockp);
4107 if ((ready > 0) && (EPOLLIN & et_mask))
4110 events[num_ev].events |= EPOLLIN;
4111 if (((EPOLLET | EPOLLIN) & session_events) ==
4112 (EPOLLET | EPOLLIN))
4113 clear_et_mask |= EPOLLIN;
4120 case VPPCOM_ECONNRESET:
4121 events[num_ev].events |= EPOLLHUP | EPOLLRDHUP;
4125 events[num_ev].events |= EPOLLERR;
4131 if (EPOLLOUT & session_events)
4133 VCL_LOCK_AND_GET_SESSION (sid, &session);
4134 ready = vppcom_session_write_ready (session, sid);
4135 clib_spinlock_unlock (&vcm->sessions_lockp);
4136 if ((ready > 0) && (EPOLLOUT & et_mask))
4139 events[num_ev].events |= EPOLLOUT;
4140 if (((EPOLLET | EPOLLOUT) & session_events) ==
4141 (EPOLLET | EPOLLOUT))
4142 clear_et_mask |= EPOLLOUT;
4149 case VPPCOM_ECONNRESET:
4150 events[num_ev].events |= EPOLLHUP;
4154 events[num_ev].events |= EPOLLERR;
4162 events[num_ev].data.u64 = session_ev_data;
4163 if (EPOLLONESHOT & session_events)
4165 VCL_LOCK_AND_GET_SESSION (sid, &session);
4166 session->vep.ev.events = 0;
4167 clib_spinlock_unlock (&vcm->sessions_lockp);
4170 if (num_ev == maxevents)
4172 VCL_LOCK_AND_GET_SESSION (vep_idx, &vep_session);
4173 vep_session->wait_cont_idx = next_sid;
4174 clib_spinlock_unlock (&vcm->sessions_lockp);
4178 if (wait_cont_idx != ~0)
4181 next_sid = vep_next_sid;
4182 else if (next_sid == wait_cont_idx)
4186 if (wait_for_time != -1)
4187 keep_trying = (clib_time_now (&vcm->clib_time) <= timeout) ? 1 : 0;
4189 while ((num_ev == 0) && keep_trying);
4191 if (wait_cont_idx != ~0)
4193 VCL_LOCK_AND_GET_SESSION (vep_idx, &vep_session);
4194 vep_session->wait_cont_idx = ~0;
4195 clib_spinlock_unlock (&vcm->sessions_lockp);
4198 return (rv != VPPCOM_OK) ? rv : num_ev;
4202 vppcom_session_attr (uint32_t session_index, uint32_t op,
4203 void *buffer, uint32_t * buflen)
4207 u32 *flags = buffer;
4208 vppcom_endpt_t *ep = buffer;
4210 VCL_LOCK_AND_GET_SESSION (session_index, &session);
4216 case VPPCOM_ATTR_GET_NREAD:
4217 rv = vppcom_session_read_ready (session, session_index);
4218 if (VPPCOM_DEBUG > 2)
4219 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_NREAD: sid %u, nread = %d",
4221 if (VPPCOM_DEBUG > 0)
4224 ELOG_TYPE_DECLARE (e) =
4226 .format = "VPPCOM_ATTR_GET_NREAD: nread=%d",
4227 .format_args = "i4",
4234 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4242 case VPPCOM_ATTR_GET_NWRITE:
4243 rv = vppcom_session_write_ready (session, session_index);
4244 if (VPPCOM_DEBUG > 2)
4245 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_NWRITE: sid %u, nwrite = %d",
4246 getpid (), session_index, rv);
4247 if (VPPCOM_DEBUG > 0)
4250 ELOG_TYPE_DECLARE (e) =
4252 .format = "VPPCOM_ATTR_GET_NWRITE: nwrite=%d",
4253 .format_args = "i4",
4260 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4267 case VPPCOM_ATTR_GET_FLAGS:
4268 if (PREDICT_TRUE (buffer && buflen && (*buflen >= sizeof (*flags))))
4270 *flags = O_RDWR | (VCL_SESS_ATTR_TEST (session->attr,
4271 VCL_SESS_ATTR_NONBLOCK));
4272 *buflen = sizeof (*flags);
4273 if (VPPCOM_DEBUG > 2)
4274 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_FLAGS: sid %u, "
4275 "flags = 0x%08x, is_nonblocking = %u", getpid (),
4276 session_index, *flags,
4277 VCL_SESS_ATTR_TEST (session->attr,
4278 VCL_SESS_ATTR_NONBLOCK));
4279 if (VPPCOM_DEBUG > 0)
4282 ELOG_TYPE_DECLARE (e) =
4284 .format = "VPPCOM_ATTR_GET_FLAGS: flags=%x is_nonblk=%d",
4285 .format_args = "i4i4",
4293 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4296 ed->is_nonblk = VCL_SESS_ATTR_TEST (session->attr, VCL_SESS_ATTR_NONBLOCK);
4305 case VPPCOM_ATTR_SET_FLAGS:
4306 if (PREDICT_TRUE (buffer && buflen && (*buflen == sizeof (*flags))))
4308 if (*flags & O_NONBLOCK)
4309 VCL_SESS_ATTR_SET (session->attr, VCL_SESS_ATTR_NONBLOCK);
4311 VCL_SESS_ATTR_CLR (session->attr, VCL_SESS_ATTR_NONBLOCK);
4313 if (VPPCOM_DEBUG > 2)
4314 clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_FLAGS: sid %u, "
4315 "flags = 0x%08x, is_nonblocking = %u",
4316 getpid (), session_index, *flags,
4317 VCL_SESS_ATTR_TEST (session->attr,
4318 VCL_SESS_ATTR_NONBLOCK));
4319 if (VPPCOM_DEBUG > 0)
4322 ELOG_TYPE_DECLARE (e) =
4324 .format = "VPPCOM_ATTR_SET_FLAGS: flags=%x is_nonblk=%d",
4325 .format_args = "i4i4",
4333 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4336 ed->is_nonblk = VCL_SESS_ATTR_TEST (session->attr, VCL_SESS_ATTR_NONBLOCK);
4344 case VPPCOM_ATTR_GET_PEER_ADDR:
4345 if (PREDICT_TRUE (buffer && buflen &&
4346 (*buflen >= sizeof (*ep)) && ep->ip))
4348 ep->is_ip4 = session->peer_addr.is_ip4;
4349 ep->port = session->peer_port;
4350 if (session->peer_addr.is_ip4)
4351 clib_memcpy (ep->ip, &session->peer_addr.ip46.ip4,
4352 sizeof (ip4_address_t));
4354 clib_memcpy (ep->ip, &session->peer_addr.ip46.ip6,
4355 sizeof (ip6_address_t));
4356 *buflen = sizeof (*ep);
4357 if (VPPCOM_DEBUG > 1)
4358 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_PEER_ADDR: sid %u, "
4359 "is_ip4 = %u, addr = %U, port %u", getpid (),
4360 session_index, ep->is_ip4, format_ip46_address,
4361 &session->peer_addr.ip46, ep->is_ip4,
4362 clib_net_to_host_u16 (ep->port));
4363 if (VPPCOM_DEBUG > 0)
4368 ELOG_TYPE_DECLARE (e) =
4370 .format = "VPPCOM_ATTR_GET_PEER_ADDR: addr:%d.%d.%d.%d:%d",
4371 .format_args = "i1i1i1i1i2",
4373 CLIB_PACKED (struct {
4378 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4380 ed->addr[0] = session->peer_addr.ip46.ip4.as_u8[0];
4381 ed->addr[1] = session->peer_addr.ip46.ip4.as_u8[1];
4382 ed->addr[2] = session->peer_addr.ip46.ip4.as_u8[2];
4383 ed->addr[3] = session->peer_addr.ip46.ip4.as_u8[3];
4384 ed->port = clib_net_to_host_u16 (session->peer_port);
4390 ELOG_TYPE_DECLARE (e) =
4392 .format = "VPPCOM_ATTR_GET_PEER_ADDR: addr:IP6:%d",
4393 .format_args = "i2",
4395 CLIB_PACKED (struct {
4399 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4401 ed->port = clib_net_to_host_u16 (session->peer_port);
4410 case VPPCOM_ATTR_GET_LCL_ADDR:
4411 if (PREDICT_TRUE (buffer && buflen &&
4412 (*buflen >= sizeof (*ep)) && ep->ip))
4414 ep->is_ip4 = session->lcl_addr.is_ip4;
4415 ep->port = session->lcl_port;
4416 if (session->lcl_addr.is_ip4)
4417 clib_memcpy (ep->ip, &session->lcl_addr.ip46.ip4,
4418 sizeof (ip4_address_t));
4420 clib_memcpy (ep->ip, &session->lcl_addr.ip46.ip6,
4421 sizeof (ip6_address_t));
4422 *buflen = sizeof (*ep);
4423 if (VPPCOM_DEBUG > 1)
4424 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_LCL_ADDR: sid %u, "
4425 "is_ip4 = %u, addr = %U port %d", getpid (),
4426 session_index, ep->is_ip4, format_ip46_address,
4427 &session->lcl_addr.ip46, ep->is_ip4,
4428 clib_net_to_host_u16 (ep->port));
4429 if (VPPCOM_DEBUG > 0)
4434 ELOG_TYPE_DECLARE (e) =
4436 .format = "VPPCOM_ATTR_GET_LCL_ADDR: addr:%d.%d.%d.%d:%d",
4437 .format_args = "i1i1i1i1i2",
4439 CLIB_PACKED (struct {
4444 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4446 ed->addr[0] = session->lcl_addr.ip46.ip4.as_u8[0];
4447 ed->addr[1] = session->lcl_addr.ip46.ip4.as_u8[1];
4448 ed->addr[2] = session->lcl_addr.ip46.ip4.as_u8[2];
4449 ed->addr[3] = session->lcl_addr.ip46.ip4.as_u8[3];
4450 ed->port = clib_net_to_host_u16 (session->peer_port);
4456 ELOG_TYPE_DECLARE (e) =
4458 .format = "VPPCOM_ATTR_GET_LCL_ADDR: addr:IP6:%d",
4459 .format_args = "i2",
4461 CLIB_PACKED (struct {
4465 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4467 ed->port = clib_net_to_host_u16 (session->peer_port);
4476 case VPPCOM_ATTR_GET_LIBC_EPFD:
4477 rv = session->libc_epfd;
4478 if (VPPCOM_DEBUG > 2)
4479 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_LIBC_EPFD: libc_epfd %d",
4481 if (VPPCOM_DEBUG > 0)
4484 ELOG_TYPE_DECLARE (e) =
4486 .format = "VPPCOM_ATTR_GET_LIBC_EPFD: libc_epfd=%d",
4487 .format_args = "i4",
4489 CLIB_PACKED (struct {
4493 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4494 ed->data = session->libc_epfd;
4500 case VPPCOM_ATTR_SET_LIBC_EPFD:
4501 if (PREDICT_TRUE (buffer && buflen &&
4502 (*buflen == sizeof (session->libc_epfd))))
4504 session->libc_epfd = *(int *) buffer;
4505 *buflen = sizeof (session->libc_epfd);
4507 if (VPPCOM_DEBUG > 2)
4508 clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_LIBC_EPFD: libc_epfd %d, "
4509 "buflen %d", getpid (), session->libc_epfd,
4511 if (VPPCOM_DEBUG > 0)
4514 ELOG_TYPE_DECLARE (e) =
4516 .format = "VPPCOM_ATTR_SET_LIBC_EPFD: libc_epfd=%s%d buflen=%d",
4517 .format_args = "t1i4i4",
4518 .n_enum_strings = 2,
4519 .enum_strings = {"", "-",},
4521 CLIB_PACKED (struct {
4526 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4528 ed->sign = (session->libc_epfd < 0);
4529 ed->data[0] = abs(session->libc_epfd);
4530 ed->data[1] = *buflen;
4538 case VPPCOM_ATTR_GET_PROTOCOL:
4539 if (buffer && buflen && (*buflen >= sizeof (int)))
4541 *(int *) buffer = session->proto;
4542 *buflen = sizeof (int);
4544 if (VPPCOM_DEBUG > 2)
4545 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_PROTOCOL: %d (%s), "
4546 "buflen %d", getpid (), *(int *) buffer,
4547 *(int *) buffer ? "UDP" : "TCP", *buflen);
4548 if (VPPCOM_DEBUG > 0)
4551 ELOG_TYPE_DECLARE (e) =
4553 .format = "VPPCOM_ATTR_GET_PROTOCOL: %s buflen=%d",
4554 .format_args = "t1i4",
4555 .n_enum_strings = 2,
4556 .enum_strings = {"TCP", "UDP",},
4559 CLIB_PACKED (struct {
4564 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4565 ed->proto = session->proto;
4566 ed->buflen = *(int *) buffer;
4574 case VPPCOM_ATTR_GET_LISTEN:
4575 if (buffer && buflen && (*buflen >= sizeof (int)))
4577 *(int *) buffer = VCL_SESS_ATTR_TEST (session->attr,
4578 VCL_SESS_ATTR_LISTEN);
4579 *buflen = sizeof (int);
4581 if (VPPCOM_DEBUG > 2)
4582 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_LISTEN: %d, "
4583 "buflen %d", getpid (), *(int *) buffer, *buflen);
4584 if (VPPCOM_DEBUG > 0)
4587 ELOG_TYPE_DECLARE (e) =
4589 .format = "VPPCOM_ATTR_GET_LISTEN: %d buflen=%d",
4590 .format_args = "i4i4",
4597 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4598 ed->data[0] = *(int *) buffer;
4599 ed->data[1] = *buflen;
4607 case VPPCOM_ATTR_GET_ERROR:
4608 if (buffer && buflen && (*buflen >= sizeof (int)))
4610 *(int *) buffer = 0;
4611 *buflen = sizeof (int);
4613 if (VPPCOM_DEBUG > 2)
4614 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_ERROR: %d, "
4615 "buflen %d, #VPP-TBD#", getpid (),
4616 *(int *) buffer, *buflen);
4617 if (VPPCOM_DEBUG > 0)
4620 ELOG_TYPE_DECLARE (e) =
4622 .format = "VPPCOM_ATTR_GET_ERROR: %d buflen=%d",
4623 .format_args = "i4i4",
4630 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4631 ed->data[0] = *(int *) buffer;
4632 ed->data[1] = *buflen;
4640 case VPPCOM_ATTR_GET_TX_FIFO_LEN:
4641 if (buffer && buflen && (*buflen >= sizeof (u32)))
4645 *(size_t *) buffer = (session->sndbuf_size ? session->sndbuf_size :
4646 session->tx_fifo ? session->tx_fifo->nitems :
4647 vcm->cfg.tx_fifo_size);
4648 *buflen = sizeof (u32);
4650 if (VPPCOM_DEBUG > 2)
4651 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_TX_FIFO_LEN: %u (0x%x), "
4652 "buflen %d, #VPP-TBD#", getpid (),
4653 *(size_t *) buffer, *(size_t *) buffer, *buflen);
4654 if (VPPCOM_DEBUG > 0)
4657 ELOG_TYPE_DECLARE (e) =
4659 .format = "VPPCOM_ATTR_GET_TX_FIFO_LEN: 0x%x buflen=%d",
4660 .format_args = "i4i4",
4667 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4668 ed->data[0] = *(size_t *) buffer;
4669 ed->data[1] = *buflen;
4677 case VPPCOM_ATTR_SET_TX_FIFO_LEN:
4678 if (buffer && buflen && (*buflen == sizeof (u32)))
4681 session->sndbuf_size = *(u32 *) buffer;
4682 if (VPPCOM_DEBUG > 2)
4683 clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_TX_FIFO_LEN: %u (0x%x), "
4684 "buflen %d, #VPP-TBD#", getpid (),
4685 session->sndbuf_size, session->sndbuf_size,
4687 if (VPPCOM_DEBUG > 0)
4690 ELOG_TYPE_DECLARE (e) =
4692 .format = "VPPCOM_ATTR_SET_TX_FIFO_LEN: 0x%x buflen=%d",
4693 .format_args = "i4i4",
4700 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4701 ed->data[0] = session->sndbuf_size;
4702 ed->data[1] = *buflen;
4710 case VPPCOM_ATTR_GET_RX_FIFO_LEN:
4711 if (buffer && buflen && (*buflen >= sizeof (u32)))
4715 *(size_t *) buffer = (session->rcvbuf_size ? session->rcvbuf_size :
4716 session->rx_fifo ? session->rx_fifo->nitems :
4717 vcm->cfg.rx_fifo_size);
4718 *buflen = sizeof (u32);
4720 if (VPPCOM_DEBUG > 2)
4721 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_RX_FIFO_LEN: %u (0x%x), "
4722 "buflen %d, #VPP-TBD#", getpid (),
4723 *(size_t *) buffer, *(size_t *) buffer, *buflen);
4724 if (VPPCOM_DEBUG > 0)
4727 ELOG_TYPE_DECLARE (e) =
4729 .format = "VPPCOM_ATTR_GET_RX_FIFO_LEN: 0x%x buflen=%d",
4730 .format_args = "i4i4",
4737 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4738 ed->data[0] = *(size_t *) buffer;
4739 ed->data[1] = *buflen;
4747 case VPPCOM_ATTR_SET_RX_FIFO_LEN:
4748 if (buffer && buflen && (*buflen == sizeof (u32)))
4751 session->rcvbuf_size = *(u32 *) buffer;
4752 if (VPPCOM_DEBUG > 2)
4753 clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_RX_FIFO_LEN: %u (0x%x), "
4754 "buflen %d, #VPP-TBD#", getpid (),
4755 session->sndbuf_size, session->sndbuf_size,
4757 if (VPPCOM_DEBUG > 0)
4760 ELOG_TYPE_DECLARE (e) =
4762 .format = "VPPCOM_ATTR_SET_RX_FIFO_LEN: 0x%x buflen=%d",
4763 .format_args = "i4i4",
4770 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4771 ed->data[0] = session->sndbuf_size;
4772 ed->data[1] = *buflen;
4780 case VPPCOM_ATTR_GET_REUSEADDR:
4781 if (buffer && buflen && (*buflen >= sizeof (int)))
4784 *(int *) buffer = VCL_SESS_ATTR_TEST (session->attr,
4785 VCL_SESS_ATTR_REUSEADDR);
4786 *buflen = sizeof (int);
4788 if (VPPCOM_DEBUG > 2)
4789 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_REUSEADDR: %d, "
4790 "buflen %d, #VPP-TBD#", getpid (), *(int *) buffer,
4792 if (VPPCOM_DEBUG > 0)
4795 ELOG_TYPE_DECLARE (e) =
4797 .format = "VPPCOM_ATTR_GET_REUSEADDR: %d buflen=%d",
4798 .format_args = "i4i4",
4805 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4806 ed->data[0] = *(int *) buffer;
4807 ed->data[1] = *buflen;
4815 case VPPCOM_ATTR_SET_REUSEADDR:
4816 if (buffer && buflen && (*buflen == sizeof (int)) &&
4817 !VCL_SESS_ATTR_TEST (session->attr, VCL_SESS_ATTR_LISTEN))
4820 if (*(int *) buffer)
4821 VCL_SESS_ATTR_SET (session->attr, VCL_SESS_ATTR_REUSEADDR);
4823 VCL_SESS_ATTR_CLR (session->attr, VCL_SESS_ATTR_REUSEADDR);
4825 if (VPPCOM_DEBUG > 2)
4826 clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_REUSEADDR: %d, "
4827 "buflen %d, #VPP-TBD#", getpid (),
4828 VCL_SESS_ATTR_TEST (session->attr,
4829 VCL_SESS_ATTR_REUSEADDR),
4831 if (VPPCOM_DEBUG > 0)
4834 ELOG_TYPE_DECLARE (e) =
4836 .format = "VPPCOM_ATTR_SET_REUSEADDR: %d buflen=%d",
4837 .format_args = "i4i4",
4844 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4845 ed->data[0] = VCL_SESS_ATTR_TEST (session->attr,
4846 VCL_SESS_ATTR_REUSEADDR);
4847 ed->data[1] = *buflen;
4855 case VPPCOM_ATTR_GET_REUSEPORT:
4856 if (buffer && buflen && (*buflen >= sizeof (int)))
4859 *(int *) buffer = VCL_SESS_ATTR_TEST (session->attr,
4860 VCL_SESS_ATTR_REUSEPORT);
4861 *buflen = sizeof (int);
4863 if (VPPCOM_DEBUG > 2)
4864 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_REUSEPORT: %d, "
4865 "buflen %d, #VPP-TBD#", getpid (), *(int *) buffer,
4867 if (VPPCOM_DEBUG > 0)
4870 ELOG_TYPE_DECLARE (e) =
4872 .format = "VPPCOM_ATTR_GET_REUSEPORT: %d buflen=%d",
4873 .format_args = "i4i4",
4880 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4881 ed->data[0] = *(int *) buffer;
4882 ed->data[1] = *buflen;
4890 case VPPCOM_ATTR_SET_REUSEPORT:
4891 if (buffer && buflen && (*buflen == sizeof (int)) &&
4892 !VCL_SESS_ATTR_TEST (session->attr, VCL_SESS_ATTR_LISTEN))
4895 if (*(int *) buffer)
4896 VCL_SESS_ATTR_SET (session->attr, VCL_SESS_ATTR_REUSEPORT);
4898 VCL_SESS_ATTR_CLR (session->attr, VCL_SESS_ATTR_REUSEPORT);
4900 if (VPPCOM_DEBUG > 2)
4901 clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_REUSEPORT: %d, "
4902 "buflen %d, #VPP-TBD#", getpid (),
4903 VCL_SESS_ATTR_TEST (session->attr,
4904 VCL_SESS_ATTR_REUSEPORT),
4906 if (VPPCOM_DEBUG > 0)
4909 ELOG_TYPE_DECLARE (e) =
4911 .format = "VPPCOM_ATTR_SET_REUSEPORT: %d buflen=%d",
4912 .format_args = "i4i4",
4919 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4920 ed->data[0] = VCL_SESS_ATTR_TEST (session->attr,
4921 VCL_SESS_ATTR_REUSEPORT);
4922 ed->data[1] = *buflen;
4930 case VPPCOM_ATTR_GET_BROADCAST:
4931 if (buffer && buflen && (*buflen >= sizeof (int)))
4934 *(int *) buffer = VCL_SESS_ATTR_TEST (session->attr,
4935 VCL_SESS_ATTR_BROADCAST);
4936 *buflen = sizeof (int);
4938 if (VPPCOM_DEBUG > 2)
4939 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_BROADCAST: %d, "
4940 "buflen %d, #VPP-TBD#", getpid (), *(int *) buffer,
4942 if (VPPCOM_DEBUG > 0)
4945 ELOG_TYPE_DECLARE (e) =
4947 .format = "VPPCOM_ATTR_GET_BROADCAST: %d buflen=%d",
4948 .format_args = "i4i4",
4955 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4956 ed->data[0] = *(int *) buffer;
4957 ed->data[1] = *buflen;
4965 case VPPCOM_ATTR_SET_BROADCAST:
4966 if (buffer && buflen && (*buflen == sizeof (int)))
4969 if (*(int *) buffer)
4970 VCL_SESS_ATTR_SET (session->attr, VCL_SESS_ATTR_BROADCAST);
4972 VCL_SESS_ATTR_CLR (session->attr, VCL_SESS_ATTR_BROADCAST);
4974 if (VPPCOM_DEBUG > 2)
4975 clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_BROADCAST: %d, "
4976 "buflen %d, #VPP-TBD#", getpid (),
4977 VCL_SESS_ATTR_TEST (session->attr,
4978 VCL_SESS_ATTR_BROADCAST),
4980 if (VPPCOM_DEBUG > 0)
4983 ELOG_TYPE_DECLARE (e) =
4985 .format = "VPPCOM_ATTR_SET_BROADCAST: %d buflen=%d",
4986 .format_args = "i4i4",
4993 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4994 ed->data[0] = VCL_SESS_ATTR_TEST (session->attr,
4995 VCL_SESS_ATTR_BROADCAST);
4996 ed->data[1] = *buflen;
5004 case VPPCOM_ATTR_GET_V6ONLY:
5005 if (buffer && buflen && (*buflen >= sizeof (int)))
5008 *(int *) buffer = VCL_SESS_ATTR_TEST (session->attr,
5009 VCL_SESS_ATTR_V6ONLY);
5010 *buflen = sizeof (int);
5012 if (VPPCOM_DEBUG > 2)
5013 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_V6ONLY: %d, "
5014 "buflen %d, #VPP-TBD#", getpid (), *(int *) buffer,
5016 if (VPPCOM_DEBUG > 0)
5019 ELOG_TYPE_DECLARE (e) =
5021 .format = "VPPCOM_ATTR_GET_V6ONLY: %d buflen=%d",
5022 .format_args = "i4i4",
5029 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
5030 ed->data[0] = *(int *) buffer;
5031 ed->data[1] = *buflen;
5039 case VPPCOM_ATTR_SET_V6ONLY:
5040 if (buffer && buflen && (*buflen == sizeof (int)))
5043 if (*(int *) buffer)
5044 VCL_SESS_ATTR_SET (session->attr, VCL_SESS_ATTR_V6ONLY);
5046 VCL_SESS_ATTR_CLR (session->attr, VCL_SESS_ATTR_V6ONLY);
5048 if (VPPCOM_DEBUG > 2)
5049 clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_V6ONLY: %d, "
5050 "buflen %d, #VPP-TBD#", getpid (),
5051 VCL_SESS_ATTR_TEST (session->attr,
5052 VCL_SESS_ATTR_V6ONLY), *buflen);
5053 if (VPPCOM_DEBUG > 0)
5056 ELOG_TYPE_DECLARE (e) =
5058 .format = "VPPCOM_ATTR_SET_V6ONLY: %d buflen=%d",
5059 .format_args = "i4i4",
5066 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
5067 ed->data[0] = VCL_SESS_ATTR_TEST (session->attr,
5068 VCL_SESS_ATTR_V6ONLY);
5069 ed->data[1] = *buflen;
5077 case VPPCOM_ATTR_GET_KEEPALIVE:
5078 if (buffer && buflen && (*buflen >= sizeof (int)))
5081 *(int *) buffer = VCL_SESS_ATTR_TEST (session->attr,
5082 VCL_SESS_ATTR_KEEPALIVE);
5083 *buflen = sizeof (int);
5085 if (VPPCOM_DEBUG > 2)
5086 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_KEEPALIVE: %d, "
5087 "buflen %d, #VPP-TBD#", getpid (), *(int *) buffer,
5089 if (VPPCOM_DEBUG > 0)
5092 ELOG_TYPE_DECLARE (e) =
5094 .format = "VPPCOM_ATTR_GET_KEEPALIVE: %d buflen=%d",
5095 .format_args = "i4i4",
5102 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
5103 ed->data[0] = *(int *) buffer;
5104 ed->data[1] = *buflen;
5112 case VPPCOM_ATTR_SET_KEEPALIVE:
5113 if (buffer && buflen && (*buflen == sizeof (int)))
5116 if (*(int *) buffer)
5117 VCL_SESS_ATTR_SET (session->attr, VCL_SESS_ATTR_KEEPALIVE);
5119 VCL_SESS_ATTR_CLR (session->attr, VCL_SESS_ATTR_KEEPALIVE);
5121 if (VPPCOM_DEBUG > 2)
5122 clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_KEEPALIVE: %d, "
5123 "buflen %d, #VPP-TBD#", getpid (),
5124 VCL_SESS_ATTR_TEST (session->attr,
5125 VCL_SESS_ATTR_KEEPALIVE),
5127 if (VPPCOM_DEBUG > 0)
5130 ELOG_TYPE_DECLARE (e) =
5132 .format = "VPPCOM_ATTR_SET_KEEPALIVE: %d buflen=%d",
5133 .format_args = "i4i4",
5140 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
5141 ed->data[0] = VCL_SESS_ATTR_TEST (session->attr,
5142 VCL_SESS_ATTR_KEEPALIVE);
5143 ed->data[1] = *buflen;
5151 case VPPCOM_ATTR_GET_TCP_NODELAY:
5152 if (buffer && buflen && (*buflen >= sizeof (int)))
5155 *(int *) buffer = VCL_SESS_ATTR_TEST (session->attr,
5156 VCL_SESS_ATTR_TCP_NODELAY);
5157 *buflen = sizeof (int);
5159 if (VPPCOM_DEBUG > 2)
5160 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_TCP_NODELAY: %d, "
5161 "buflen %d, #VPP-TBD#", getpid (), *(int *) buffer,
5163 if (VPPCOM_DEBUG > 0)
5166 ELOG_TYPE_DECLARE (e) =
5168 .format = "VPPCOM_ATTR_GET_TCP_NODELAY: %d buflen=%d",
5169 .format_args = "i4i4",
5176 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
5177 ed->data[0] = *(int *) buffer;
5178 ed->data[1] = *buflen;
5186 case VPPCOM_ATTR_SET_TCP_NODELAY:
5187 if (buffer && buflen && (*buflen == sizeof (int)))
5190 if (*(int *) buffer)
5191 VCL_SESS_ATTR_SET (session->attr, VCL_SESS_ATTR_TCP_NODELAY);
5193 VCL_SESS_ATTR_CLR (session->attr, VCL_SESS_ATTR_TCP_NODELAY);
5195 if (VPPCOM_DEBUG > 2)
5196 clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_TCP_NODELAY: %d, "
5197 "buflen %d, #VPP-TBD#", getpid (),
5198 VCL_SESS_ATTR_TEST (session->attr,
5199 VCL_SESS_ATTR_TCP_NODELAY),
5201 if (VPPCOM_DEBUG > 0)
5204 ELOG_TYPE_DECLARE (e) =
5206 .format = "VPPCOM_ATTR_SET_TCP_NODELAY: %d buflen=%d",
5207 .format_args = "i4i4",
5214 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
5215 ed->data[0] = VCL_SESS_ATTR_TEST (session->attr,
5216 VCL_SESS_ATTR_TCP_NODELAY);
5217 ed->data[1] = *buflen;
5225 case VPPCOM_ATTR_GET_TCP_KEEPIDLE:
5226 if (buffer && buflen && (*buflen >= sizeof (int)))
5229 *(int *) buffer = VCL_SESS_ATTR_TEST (session->attr,
5230 VCL_SESS_ATTR_TCP_KEEPIDLE);
5231 *buflen = sizeof (int);
5233 if (VPPCOM_DEBUG > 2)
5234 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_TCP_KEEPIDLE: %d, "
5235 "buflen %d, #VPP-TBD#", getpid (), *(int *) buffer,
5237 if (VPPCOM_DEBUG > 0)
5240 ELOG_TYPE_DECLARE (e) =
5242 .format = "VPPCOM_ATTR_GET_TCP_KEEPIDLE: %d buflen=%d",
5243 .format_args = "i4i4",
5250 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
5251 ed->data[0] = *(int *) buffer;
5252 ed->data[1] = *buflen;
5260 case VPPCOM_ATTR_SET_TCP_KEEPIDLE:
5261 if (buffer && buflen && (*buflen == sizeof (int)))
5264 if (*(int *) buffer)
5265 VCL_SESS_ATTR_SET (session->attr, VCL_SESS_ATTR_TCP_KEEPIDLE);
5267 VCL_SESS_ATTR_CLR (session->attr, VCL_SESS_ATTR_TCP_KEEPIDLE);
5269 if (VPPCOM_DEBUG > 2)
5270 clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_TCP_KEEPIDLE: %d, "
5271 "buflen %d, #VPP-TBD#", getpid (),
5272 VCL_SESS_ATTR_TEST (session->attr,
5273 VCL_SESS_ATTR_TCP_KEEPIDLE),
5275 if (VPPCOM_DEBUG > 0)
5278 ELOG_TYPE_DECLARE (e) =
5280 .format = "VPPCOM_ATTR_SET_TCP_KEEPIDLE: %d buflen=%d",
5281 .format_args = "i4i4",
5288 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
5289 ed->data[0] = VCL_SESS_ATTR_TEST (session->attr,
5290 VCL_SESS_ATTR_TCP_KEEPIDLE);
5291 ed->data[1] = *buflen;
5299 case VPPCOM_ATTR_GET_TCP_KEEPINTVL:
5300 if (buffer && buflen && (*buflen >= sizeof (int)))
5303 *(int *) buffer = VCL_SESS_ATTR_TEST (session->attr,
5304 VCL_SESS_ATTR_TCP_KEEPINTVL);
5305 *buflen = sizeof (int);
5307 if (VPPCOM_DEBUG > 2)
5308 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_TCP_KEEPINTVL: %d, "
5309 "buflen %d, #VPP-TBD#", getpid (), *(int *) buffer,
5311 if (VPPCOM_DEBUG > 0)
5314 ELOG_TYPE_DECLARE (e) =
5316 .format = "VPPCOM_ATTR_GET_TCP_KEEPIDLE: %d buflen=%d",
5317 .format_args = "i4i4",
5324 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
5325 ed->data[0] = *(int *) buffer;
5326 ed->data[1] = *buflen;
5334 case VPPCOM_ATTR_SET_TCP_KEEPINTVL:
5335 if (buffer && buflen && (*buflen == sizeof (int)))
5338 if (*(int *) buffer)
5339 VCL_SESS_ATTR_SET (session->attr, VCL_SESS_ATTR_TCP_KEEPINTVL);
5341 VCL_SESS_ATTR_CLR (session->attr, VCL_SESS_ATTR_TCP_KEEPINTVL);
5343 if (VPPCOM_DEBUG > 2)
5344 clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_TCP_KEEPINTVL: %d, "
5345 "buflen %d, #VPP-TBD#", getpid (),
5346 VCL_SESS_ATTR_TEST (session->attr,
5347 VCL_SESS_ATTR_TCP_KEEPINTVL),
5349 if (VPPCOM_DEBUG > 0)
5352 ELOG_TYPE_DECLARE (e) =
5354 .format = "VPPCOM_ATTR_SET_TCP_KEEPINTVL: %d buflen=%d",
5355 .format_args = "i4i4",
5362 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
5363 ed->data[0] = VCL_SESS_ATTR_TEST (session->attr,
5364 VCL_SESS_ATTR_TCP_KEEPINTVL);
5365 ed->data[1] = *buflen;
5373 case VPPCOM_ATTR_GET_TCP_USER_MSS:
5374 if (buffer && buflen && (*buflen >= sizeof (u32)))
5377 *(u32 *) buffer = session->user_mss;
5378 *buflen = sizeof (int);
5380 if (VPPCOM_DEBUG > 2)
5381 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_TCP_USER_MSS: %d, "
5382 "buflen %d, #VPP-TBD#", getpid (), *(int *) buffer,
5384 if (VPPCOM_DEBUG > 0)
5387 ELOG_TYPE_DECLARE (e) =
5389 .format = "VPPCOM_ATTR_GET_TCP_USER_MSS: %d buflen=%d",
5390 .format_args = "i4i4",
5397 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
5398 ed->data[0] = *(int *) buffer;
5399 ed->data[1] = *buflen;
5407 case VPPCOM_ATTR_SET_TCP_USER_MSS:
5408 if (buffer && buflen && (*buflen == sizeof (u32)))
5411 session->user_mss = *(u32 *) buffer;
5413 if (VPPCOM_DEBUG > 2)
5414 clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_TCP_USER_MSS: %u, "
5415 "buflen %d, #VPP-TBD#", getpid (),
5416 session->user_mss, *buflen);
5417 if (VPPCOM_DEBUG > 0)
5420 ELOG_TYPE_DECLARE (e) =
5422 .format = "VPPCOM_ATTR_SET_TCP_USER_MSS: %d buflen=%d",
5423 .format_args = "i4i4",
5430 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
5431 ed->data[0] = session->user_mss;
5432 ed->data[1] = *buflen;
5446 clib_spinlock_unlock (&vcm->sessions_lockp);
5451 vppcom_session_recvfrom (uint32_t session_index, void *buffer,
5452 uint32_t buflen, int flags, vppcom_endpt_t * ep)
5455 session_t *session = 0;
5459 clib_spinlock_lock (&vcm->sessions_lockp);
5460 rv = vppcom_session_at_index (session_index, &session);
5461 if (PREDICT_FALSE (rv))
5463 clib_spinlock_unlock (&vcm->sessions_lockp);
5464 if (VPPCOM_DEBUG > 0)
5465 clib_warning ("VCL<%d>: invalid session, "
5466 "sid (%u) has been closed!",
5467 getpid (), session_index);
5468 if (VPPCOM_DEBUG > 0)
5471 ELOG_TYPE_DECLARE (e) =
5473 .format = "invalid session: %d closed",
5474 .format_args = "i4",
5481 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, vcm->elog_track);
5482 ed->data = session_index;
5486 clib_spinlock_unlock (&vcm->sessions_lockp);
5489 ep->is_ip4 = session->peer_addr.is_ip4;
5490 ep->port = session->peer_port;
5491 if (session->peer_addr.is_ip4)
5492 clib_memcpy (ep->ip, &session->peer_addr.ip46.ip4,
5493 sizeof (ip4_address_t));
5495 clib_memcpy (ep->ip, &session->peer_addr.ip46.ip6,
5496 sizeof (ip6_address_t));
5497 clib_spinlock_unlock (&vcm->sessions_lockp);
5501 rv = vppcom_session_read (session_index, buffer, buflen);
5502 else if (flags & MSG_PEEK)
5503 rv = vppcom_session_peek (session_index, buffer, buflen);
5506 clib_warning ("VCL<%d>: Unsupport flags for recvfrom %d",
5508 rv = VPPCOM_EAFNOSUPPORT;
5516 vppcom_session_sendto (uint32_t session_index, void *buffer,
5517 uint32_t buflen, int flags, vppcom_endpt_t * ep)
5520 return VPPCOM_EINVAL;
5525 return VPPCOM_EINVAL;
5530 // TBD check the flags and do the right thing
5531 if (VPPCOM_DEBUG > 2)
5532 clib_warning ("VCL<%d>: handling flags 0x%u (%d) "
5533 "not implemented yet.", getpid (), flags, flags);
5536 return (vppcom_session_write (session_index, buffer, buflen));
5540 vppcom_poll (vcl_poll_t * vp, uint32_t n_sids, double wait_for_time)
5542 f64 timeout = clib_time_now (&vcm->clib_time) + wait_for_time;
5543 u32 i, keep_trying = 1;
5546 if (VPPCOM_DEBUG > 3)
5547 clib_warning ("VCL<%d>: vp %p, nsids %u, wait_for_time %f",
5548 getpid (), vp, n_sids, wait_for_time);
5551 return VPPCOM_EFAULT;
5557 for (i = 0; i < n_sids; i++)
5559 ASSERT (vp[i].revents);
5561 VCL_LOCK_AND_GET_SESSION (vp[i].sid, &session);
5562 clib_spinlock_unlock (&vcm->sessions_lockp);
5567 if (POLLIN & vp[i].events)
5569 VCL_LOCK_AND_GET_SESSION (vp[i].sid, &session);
5570 rv = vppcom_session_read_ready (session, vp[i].sid);
5571 clib_spinlock_unlock (&vcm->sessions_lockp);
5574 *vp[i].revents |= POLLIN;
5581 case VPPCOM_ECONNRESET:
5582 *vp[i].revents = POLLHUP;
5586 *vp[i].revents = POLLERR;
5593 if (POLLOUT & vp[i].events)
5595 VCL_LOCK_AND_GET_SESSION (vp[i].sid, &session);
5596 rv = vppcom_session_write_ready (session, vp[i].sid);
5597 clib_spinlock_unlock (&vcm->sessions_lockp);
5600 *vp[i].revents |= POLLOUT;
5607 case VPPCOM_ECONNRESET:
5608 *vp[i].revents = POLLHUP;
5612 *vp[i].revents = POLLERR;
5619 if (0) // Note "done:" label used by VCL_LOCK_AND_GET_SESSION()
5622 *vp[i].revents = POLLNVAL;
5626 if (wait_for_time != -1)
5627 keep_trying = (clib_time_now (&vcm->clib_time) <= timeout) ? 1 : 0;
5629 while ((num_ev == 0) && keep_trying);
5631 if (VPPCOM_DEBUG > 3)
5633 clib_warning ("VCL<%d>: returning %d", getpid (), num_ev);
5634 for (i = 0; i < n_sids; i++)
5636 clib_warning ("VCL<%d>: vp[%d].sid %d (0x%x), .events 0x%x, "
5637 ".revents 0x%x", getpid (), i, vp[i].sid, vp[i].sid,
5638 vp[i].events, *vp[i].revents);
5645 * fd.io coding-style-patch-verification: ON
5648 * eval: (c-set-style "gnu")