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;
164 vce_event_handler_reg_t *poll_reg;
167 typedef struct vppcom_cfg_t_
170 u32 vpp_api_q_length;
173 u32 add_segment_size;
174 u32 preallocated_fifo_pairs;
177 u32 event_queue_size;
178 u32 listen_queue_size;
179 u8 app_proxy_transport_tcp;
180 u8 app_proxy_transport_udp;
184 u64 namespace_secret;
189 char *event_log_path;
190 u8 *vpp_api_filename;
193 /* VPPCOM Event typedefs */
194 typedef enum vcl_event_id_
196 VCL_EVENT_CONNECT_REQ_ACCEPTED,
200 typedef struct vce_event_connect_request_
204 u32 accepted_session_index;
205 } vce_event_connect_request_t;
207 typedef struct vppcom_main_t_
211 u32 *client_session_index_fifo;
214 /* vpp input queue */
215 svm_queue_t *vl_input_queue;
217 /* API client handle */
221 clib_spinlock_t sessions_lockp;
224 /* Hash table for disconnect processing */
225 uword *session_index_by_vpp_handles;
228 clib_bitmap_t *rd_bitmap;
229 clib_bitmap_t *wr_bitmap;
230 clib_bitmap_t *ex_bitmap;
232 /* Our event queue */
233 svm_queue_t *app_event_queue;
235 /* unique segment name counter */
236 u32 unique_segment_index;
238 /* For deadman timers */
239 clib_time_t clib_time;
241 /* State of the connection, shared between msg RX thread and main thread */
242 volatile app_state_t app_state;
247 vce_event_thread_t event_thread;
249 /* VPP Event-logger */
250 elog_main_t elog_main;
251 elog_track_t elog_track;
253 /* VNET_API_ERROR_FOO -> "Foo" hash table */
254 uword *error_string_by_error_number;
257 /* NOTE: _vppcom_main is only used until the heap is allocated.
258 * Do not access it directly -- use vcm which will point to
259 * the heap allocated copy after init.
261 static vppcom_main_t _vppcom_main = {
262 .debug = VPPCOM_DEBUG_INIT,
263 .my_client_index = ~0
266 static vppcom_main_t *vcm = &_vppcom_main;
268 #define VCL_LOCK_AND_GET_SESSION(I, S) \
270 clib_spinlock_lock (&vcm->sessions_lockp); \
271 rv = vppcom_session_at_index (I, S); \
272 if (PREDICT_FALSE (rv)) \
274 clib_spinlock_unlock (&vcm->sessions_lockp); \
275 clib_warning ("VCL<%d>: ERROR: Invalid ##I (%u)!", \
282 vppcom_app_state_str (app_state_t state)
288 case STATE_APP_START:
289 st = "STATE_APP_START";
292 case STATE_APP_CONN_VPP:
293 st = "STATE_APP_CONN_VPP";
296 case STATE_APP_ENABLED:
297 st = "STATE_APP_ENABLED";
300 case STATE_APP_ATTACHED:
301 st = "STATE_APP_ATTACHED";
305 st = "UNKNOWN_APP_STATE";
313 vppcom_session_state_str (session_state_t state)
324 st = "STATE_CONNECT";
335 case STATE_CLOSE_ON_EMPTY:
336 st = "STATE_CLOSE_ON_EMPTY";
339 case STATE_DISCONNECT:
340 st = "STATE_DISCONNECT";
348 st = "UNKNOWN_STATE";
357 * VPPCOM Utility Functions
360 vppcom_session_at_index (u32 session_index, session_t * volatile *sess)
362 /* Assumes that caller has acquired spinlock: vcm->sessions_lockp */
363 if (PREDICT_FALSE ((session_index == ~0) ||
364 pool_is_free_index (vcm->sessions, session_index)))
366 clib_warning ("VCL<%d>: invalid session, sid (%u) has been closed!",
367 getpid (), session_index);
368 return VPPCOM_EBADFD;
370 *sess = pool_elt_at_index (vcm->sessions, session_index);
375 vppcom_session_table_add_listener (u64 listener_handle, u32 value)
377 /* Session and listener handles have different formats. The latter has
378 * the thread index in the upper 32 bits while the former has the session
379 * type. Knowing that, for listeners we just flip the MSB to 1 */
380 listener_handle |= 1ULL << 63;
381 hash_set (vcm->session_index_by_vpp_handles, listener_handle, value);
384 static inline session_t *
385 vppcom_session_table_lookup_listener (u64 listener_handle)
388 u64 handle = listener_handle | (1ULL << 63);
391 p = hash_get (vcm->session_index_by_vpp_handles, handle);
394 clib_warning ("VCL<%d>: couldn't find listen session: unknown vpp "
395 "listener handle %llx", getpid (), listener_handle);
398 if (pool_is_free_index (vcm->sessions, p[0]))
400 if (VPPCOM_DEBUG > 1)
401 clib_warning ("VCL<%d>: invalid listen session, sid (%u)",
406 session = pool_elt_at_index (vcm->sessions, p[0]);
407 ASSERT (session->state & STATE_LISTEN);
412 vppcom_session_table_del_listener (u64 listener_handle)
414 listener_handle |= 1ULL << 63;
415 hash_unset (vcm->session_index_by_vpp_handles, listener_handle);
421 elog_main_t *em = &vcm->elog_main;
423 clib_error_t *error = 0;
426 (char *) format (0, "%s/%d-%d-vcl-elog%c", vcm->cfg.event_log_path,
427 vcm->my_client_index, getpid (), 0);
428 error = elog_write_file (em, chroot_file, 1 /* flush ring */ );
431 clib_error_report (error);
433 if (VPPCOM_DEBUG > 0)
434 clib_warning ("[%d] Event Log:'%s' ", getpid (), chroot_file);
439 * VPPCOM Event Functions
443 * * @brief vce_connect_request_handler_fn
444 * - used for listener sessions
445 * - when a vl_api_accept_session_t_handler() generates an event
446 * this callback is alerted and sets fields that consumers such as
447 * vppcom_session_accept() expect to see, ie. accepted_client_index
449 * @param arg - void* to be cast to vce_event_handler_reg_t*
452 vce_connect_request_handler_fn (void *arg)
454 vce_event_handler_reg_t *reg = (vce_event_handler_reg_t *) arg;
456 vce_event_connect_request_t *ecr;
459 ev = vce_get_event_from_index (&vcm->event_thread, reg->ev_idx);
461 ecr = (vce_event_connect_request_t *) ev->data;
463 pthread_mutex_lock (®->handler_lock);
465 pthread_cond_signal (®->handler_cond);
466 pthread_mutex_unlock (®->handler_lock);
470 * @brief vce_epoll_wait_connect_request_handler_fn
471 * - used by vppcom_epoll_xxxx() for listener sessions
472 * - when a vl_api_accept_session_t_handler() generates an event
473 * this callback is alerted and sets the fields that vppcom_epoll_wait()
476 * @param arg - void* to be cast to vce_event_handler_reg_t*
479 vce_epoll_wait_connect_request_handler_fn (void *arg)
481 vce_event_handler_reg_t *reg = (vce_event_handler_reg_t *) arg;
483 /* Retrieve the VCL_EVENT_CONNECT_REQ_ACCEPTED event */
484 ev = vce_get_event_from_index (&vcm->event_thread, reg->ev_idx);
485 vce_event_connect_request_t *ecr = (vce_event_connect_request_t *) ev->data;
487 /* Add the accepted_session_index to the FIFO */
488 clib_spinlock_lock (&vcm->sessions_lockp);
489 clib_fifo_add1 (vcm->client_session_index_fifo,
490 ecr->accepted_session_index);
491 clib_spinlock_unlock (&vcm->sessions_lockp);
493 /* Recycling the event. */
494 clib_spinlock_lock (&(vcm->event_thread.events_lockp));
495 vcm->event_thread.recycle_event = 1;
496 clib_fifo_add1 (vcm->event_thread.event_index_fifo, reg->ev_idx);
497 clib_spinlock_unlock (&(vcm->event_thread.events_lockp));
501 vppcom_connect_to_vpp (char *app_name)
503 api_main_t *am = &api_main;
504 vppcom_cfg_t *vcl_cfg = &vcm->cfg;
507 if (!vcl_cfg->vpp_api_filename)
508 vcl_cfg->vpp_api_filename = format (0, "/vpe-api%c", 0);
510 if (VPPCOM_DEBUG > 0)
511 clib_warning ("VCL<%d>: app (%s) connecting to VPP api (%s)...",
512 getpid (), app_name, vcl_cfg->vpp_api_filename);
514 if (vl_client_connect_to_vlib ((char *) vcl_cfg->vpp_api_filename, app_name,
515 vcm->cfg.vpp_api_q_length) < 0)
517 clib_warning ("VCL<%d>: app (%s) connect failed!", getpid (), app_name);
518 rv = VPPCOM_ECONNREFUSED;
522 vcm->vl_input_queue = am->shmem_hdr->vl_input_queue;
523 vcm->my_client_index = (u32) am->my_client_index;
524 vcm->app_state = STATE_APP_CONN_VPP;
526 if (VPPCOM_DEBUG > 0)
527 clib_warning ("VCL<%d>: app (%s) is connected to VPP!",
528 getpid (), app_name);
531 if (VPPCOM_DEBUG > 0)
533 vcm->elog_main.lock =
534 clib_mem_alloc_aligned (CLIB_CACHE_LINE_BYTES, CLIB_CACHE_LINE_BYTES);
535 vcm->elog_main.lock[0] = 0;
536 vcm->elog_main.event_ring_size = vcm->cfg.event_ring_size;
537 elog_init (&vcm->elog_main, vcm->elog_main.event_ring_size);
538 elog_enable_disable (&vcm->elog_main, 1);
540 vcm->elog_track.name =
541 (char *) format (0, "P:%d:C:%d%c", getpid (),
542 vcm->my_client_index, 0);
543 elog_track_register (&vcm->elog_main, &vcm->elog_track);
546 ELOG_TYPE_DECLARE (e) =
548 .format = "connect_vpp:rv:%d",
555 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, vcm->elog_track);
563 format_api_error (u8 * s, va_list * args)
565 i32 error = va_arg (*args, u32);
568 p = hash_get (vcm->error_string_by_error_number, -error);
571 s = format (s, "%s (%d)", p[0], error);
573 s = format (s, "%d", error);
578 vppcom_init_error_string_table (void)
580 vcm->error_string_by_error_number = hash_create (0, sizeof (uword));
582 #define _(n, v, s) hash_set (vcm->error_string_by_error_number, -v, s);
583 foreach_vnet_api_error;
586 hash_set (vcm->error_string_by_error_number, 99, "Misc");
590 vppcom_wait_for_app_state_change (app_state_t app_state)
592 f64 timeout = clib_time_now (&vcm->clib_time) + vcm->cfg.app_timeout;
594 while (clib_time_now (&vcm->clib_time) < timeout)
596 if (vcm->app_state == app_state)
599 if (VPPCOM_DEBUG > 0)
600 clib_warning ("VCL<%d>: timeout waiting for state %s (%d)", getpid (),
601 vppcom_app_state_str (app_state), app_state);
603 if (VPPCOM_DEBUG > 0)
606 ELOG_TYPE_DECLARE (e) =
608 .format = "ERR: timeout state:%d",
616 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, vcm->elog_track);
618 ed->data = app_state;
622 return VPPCOM_ETIMEDOUT;
626 vppcom_wait_for_session_state_change (u32 session_index,
627 session_state_t state,
630 f64 timeout = clib_time_now (&vcm->clib_time) + wait_for_time;
631 session_t *volatile session;
636 clib_spinlock_lock (&vcm->sessions_lockp);
637 rv = vppcom_session_at_index (session_index, &session);
638 if (PREDICT_FALSE (rv))
640 clib_spinlock_unlock (&vcm->sessions_lockp);
643 if (session->state & state)
645 clib_spinlock_unlock (&vcm->sessions_lockp);
648 if (session->state & STATE_FAILED)
650 clib_spinlock_unlock (&vcm->sessions_lockp);
651 return VPPCOM_ECONNREFUSED;
654 clib_spinlock_unlock (&vcm->sessions_lockp);
656 while (clib_time_now (&vcm->clib_time) < timeout);
658 if (VPPCOM_DEBUG > 0)
659 clib_warning ("VCL<%d>: timeout waiting for state 0x%x (%s)", getpid (),
660 state, vppcom_session_state_str (state));
662 if (VPPCOM_DEBUG > 0)
665 ELOG_TYPE_DECLARE (e) =
667 .format = "ERR: timeout state:%d",
675 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
681 return VPPCOM_ETIMEDOUT;
685 * VPP-API message functions
688 vppcom_send_session_enable_disable (u8 is_enable)
690 vl_api_session_enable_disable_t *bmp;
691 bmp = vl_msg_api_alloc (sizeof (*bmp));
692 memset (bmp, 0, sizeof (*bmp));
694 bmp->_vl_msg_id = ntohs (VL_API_SESSION_ENABLE_DISABLE);
695 bmp->client_index = vcm->my_client_index;
696 bmp->context = htonl (0xfeedface);
697 bmp->is_enable = is_enable;
698 vl_msg_api_send_shmem (vcm->vl_input_queue, (u8 *) & bmp);
702 vppcom_app_session_enable (void)
706 if (vcm->app_state != STATE_APP_ENABLED)
708 vppcom_send_session_enable_disable (1 /* is_enabled == TRUE */ );
709 rv = vppcom_wait_for_app_state_change (STATE_APP_ENABLED);
710 if (PREDICT_FALSE (rv))
712 if (VPPCOM_DEBUG > 0)
713 clib_warning ("VCL<%d>: application session enable timed out! "
715 getpid (), rv, vppcom_retval_str (rv));
723 vl_api_session_enable_disable_reply_t_handler
724 (vl_api_session_enable_disable_reply_t * mp)
728 clib_warning ("VCL<%d>: session_enable_disable failed: %U", getpid (),
729 format_api_error, ntohl (mp->retval));
732 vcm->app_state = STATE_APP_ENABLED;
736 vppcom_app_send_attach (void)
738 vl_api_application_attach_t *bmp;
739 u8 nsid_len = vec_len (vcm->cfg.namespace_id);
740 u8 app_is_proxy = (vcm->cfg.app_proxy_transport_tcp ||
741 vcm->cfg.app_proxy_transport_udp);
743 bmp = vl_msg_api_alloc (sizeof (*bmp));
744 memset (bmp, 0, sizeof (*bmp));
746 bmp->_vl_msg_id = ntohs (VL_API_APPLICATION_ATTACH);
747 bmp->client_index = vcm->my_client_index;
748 bmp->context = htonl (0xfeedface);
749 bmp->options[APP_OPTIONS_FLAGS] =
750 APP_OPTIONS_FLAGS_ACCEPT_REDIRECT | APP_OPTIONS_FLAGS_ADD_SEGMENT |
751 (vcm->cfg.app_scope_local ? APP_OPTIONS_FLAGS_USE_LOCAL_SCOPE : 0) |
752 (vcm->cfg.app_scope_global ? APP_OPTIONS_FLAGS_USE_GLOBAL_SCOPE : 0) |
753 (app_is_proxy ? APP_OPTIONS_FLAGS_IS_PROXY : 0);
754 bmp->options[APP_OPTIONS_PROXY_TRANSPORT] =
755 (vcm->cfg.app_proxy_transport_tcp ? 1 << TRANSPORT_PROTO_TCP : 0) |
756 (vcm->cfg.app_proxy_transport_udp ? 1 << TRANSPORT_PROTO_UDP : 0);
757 bmp->options[APP_OPTIONS_SEGMENT_SIZE] = vcm->cfg.segment_size;
758 bmp->options[APP_OPTIONS_ADD_SEGMENT_SIZE] = vcm->cfg.add_segment_size;
759 bmp->options[APP_OPTIONS_RX_FIFO_SIZE] = vcm->cfg.rx_fifo_size;
760 bmp->options[APP_OPTIONS_TX_FIFO_SIZE] = vcm->cfg.tx_fifo_size;
761 bmp->options[APP_OPTIONS_PREALLOC_FIFO_PAIRS] =
762 vcm->cfg.preallocated_fifo_pairs;
763 bmp->options[APP_OPTIONS_EVT_QUEUE_SIZE] = vcm->cfg.event_queue_size;
766 bmp->namespace_id_len = nsid_len;
767 clib_memcpy (bmp->namespace_id, vcm->cfg.namespace_id, nsid_len);
768 bmp->options[APP_OPTIONS_NAMESPACE_SECRET] = vcm->cfg.namespace_secret;
770 vl_msg_api_send_shmem (vcm->vl_input_queue, (u8 *) & bmp);
774 vppcom_app_attach (void)
778 vppcom_app_send_attach ();
779 rv = vppcom_wait_for_app_state_change (STATE_APP_ATTACHED);
780 if (PREDICT_FALSE (rv))
782 if (VPPCOM_DEBUG > 0)
783 clib_warning ("VCL<%d>: application attach timed out! "
785 getpid (), rv, vppcom_retval_str (rv));
793 vppcom_app_detach (void)
795 vl_api_application_detach_t *bmp;
796 bmp = vl_msg_api_alloc (sizeof (*bmp));
797 memset (bmp, 0, sizeof (*bmp));
799 bmp->_vl_msg_id = ntohs (VL_API_APPLICATION_DETACH);
800 bmp->client_index = vcm->my_client_index;
801 bmp->context = htonl (0xfeedface);
802 vl_msg_api_send_shmem (vcm->vl_input_queue, (u8 *) & bmp);
806 vl_api_application_attach_reply_t_handler (vl_api_application_attach_reply_t *
809 static svm_fifo_segment_create_args_t _a;
810 svm_fifo_segment_create_args_t *a = &_a;
813 memset (a, 0, sizeof (*a));
816 clib_warning ("VCL<%d>: attach failed: %U", getpid (),
817 format_api_error, ntohl (mp->retval));
821 if (mp->segment_name_length == 0)
823 clib_warning ("VCL<%d>: segment_name_length zero", getpid ());
827 a->segment_name = (char *) mp->segment_name;
828 a->segment_size = mp->segment_size;
830 ASSERT (mp->app_event_queue_address);
832 /* Attach to the segment vpp created */
833 rv = svm_fifo_segment_attach (a);
834 vec_reset_length (a->new_segment_indices);
835 if (PREDICT_FALSE (rv))
837 clib_warning ("VCL<%d>: svm_fifo_segment_attach ('%s') failed",
838 getpid (), mp->segment_name);
842 vcm->app_event_queue =
843 uword_to_pointer (mp->app_event_queue_address, svm_queue_t *);
845 vcm->app_state = STATE_APP_ATTACHED;
849 vl_api_application_detach_reply_t_handler (vl_api_application_detach_reply_t *
853 clib_warning ("VCL<%d>: detach failed: %U", getpid (), format_api_error,
856 vcm->app_state = STATE_APP_ENABLED;
860 vl_api_disconnect_session_reply_t_handler (vl_api_disconnect_session_reply_t *
864 clib_warning ("VCL<%d>: vpp handle 0x%llx: disconnect session failed: %U",
865 getpid (), mp->handle, format_api_error,
870 vl_api_map_another_segment_t_handler (vl_api_map_another_segment_t * mp)
872 static svm_fifo_segment_create_args_t _a;
873 svm_fifo_segment_create_args_t *a = &_a;
876 memset (a, 0, sizeof (*a));
877 a->segment_name = (char *) mp->segment_name;
878 a->segment_size = mp->segment_size;
879 /* Attach to the segment vpp created */
880 rv = svm_fifo_segment_attach (a);
881 vec_reset_length (a->new_segment_indices);
882 if (PREDICT_FALSE (rv))
884 clib_warning ("VCL<%d>: svm_fifo_segment_attach ('%s') failed",
885 getpid (), mp->segment_name);
888 if (VPPCOM_DEBUG > 1)
889 clib_warning ("VCL<%d>: mapped new segment '%s' size %d", getpid (),
890 mp->segment_name, mp->segment_size);
894 vl_api_unmap_segment_t_handler (vl_api_unmap_segment_t * mp)
898 * XXX Need segment_name to session_id hash,
899 * XXX - have sessionID by handle hash currently
901 if (VPPCOM_DEBUG > 1)
902 clib_warning ("Unmapped segment '%s'", mp->segment_name);
906 vl_api_disconnect_session_t_handler (vl_api_disconnect_session_t * mp)
910 p = hash_get (vcm->session_index_by_vpp_handles, mp->handle);
914 session_t *session = 0;
915 u32 session_index = p[0];
917 VCL_LOCK_AND_GET_SESSION (session_index, &session);
918 session->state = STATE_CLOSE_ON_EMPTY;
920 if (VPPCOM_DEBUG > 1)
921 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
922 "setting state to 0x%x (%s)",
923 getpid (), mp->handle, session_index, session->state,
924 vppcom_session_state_str (session->state));
925 clib_spinlock_unlock (&vcm->sessions_lockp);
929 if (VPPCOM_DEBUG > 1)
930 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
931 "session lookup failed!",
932 getpid (), mp->handle, session_index);
935 clib_warning ("VCL<%d>: vpp handle 0x%llx: session lookup by "
936 "handle failed!", getpid (), mp->handle);
940 vl_api_reset_session_t_handler (vl_api_reset_session_t * mp)
942 session_t *session = 0;
943 vl_api_reset_session_reply_t *rmp;
947 p = hash_get (vcm->session_index_by_vpp_handles, mp->handle);
951 clib_spinlock_lock (&vcm->sessions_lockp);
952 rval = vppcom_session_at_index (p[0], &session);
953 if (PREDICT_FALSE (rval))
955 rv = VNET_API_ERROR_INVALID_VALUE_2;
956 clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: "
957 "session lookup failed! returning %d %U",
958 getpid (), mp->handle, p[0],
959 rv, format_api_error, rv);
963 /* TBD: should this disconnect immediately and
966 session->state = STATE_CLOSE_ON_EMPTY;
968 if (VPPCOM_DEBUG > 1)
969 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
970 "state set to %d (%s)!", getpid (),
971 mp->handle, p[0], session->state,
972 vppcom_session_state_str (session->state));
974 clib_spinlock_unlock (&vcm->sessions_lockp);
978 rv = VNET_API_ERROR_INVALID_VALUE;
979 clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx: session lookup "
980 "failed! returning %d %U",
981 getpid (), mp->handle, rv, format_api_error, rv);
984 rmp = vl_msg_api_alloc (sizeof (*rmp));
985 memset (rmp, 0, sizeof (*rmp));
986 rmp->_vl_msg_id = ntohs (VL_API_RESET_SESSION_REPLY);
987 rmp->retval = htonl (rv);
988 rmp->handle = mp->handle;
989 vl_msg_api_send_shmem (vcm->vl_input_queue, (u8 *) & rmp);
993 vl_api_connect_session_reply_t_handler (vl_api_connect_session_reply_t * mp)
995 session_t *session = 0;
997 svm_fifo_t *rx_fifo, *tx_fifo;
1000 session_index = mp->context;
1001 VCL_LOCK_AND_GET_SESSION (session_index, &session);
1005 clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: "
1006 "connect failed! %U",
1007 getpid (), mp->handle, session_index,
1008 format_api_error, ntohl (mp->retval));
1011 session->state = STATE_FAILED;
1012 session->vpp_handle = mp->handle;
1016 clib_warning ("[%s] ERROR: vpp handle 0x%llx, sid %u: "
1017 "Invalid session index (%u)!",
1018 getpid (), mp->handle, session_index);
1029 session->vpp_event_queue = uword_to_pointer (mp->vpp_event_queue_address,
1032 rx_fifo = uword_to_pointer (mp->server_rx_fifo, svm_fifo_t *);
1033 rx_fifo->client_session_index = session_index;
1034 tx_fifo = uword_to_pointer (mp->server_tx_fifo, svm_fifo_t *);
1035 tx_fifo->client_session_index = session_index;
1037 session->rx_fifo = rx_fifo;
1038 session->tx_fifo = tx_fifo;
1039 session->vpp_handle = mp->handle;
1040 session->lcl_addr.is_ip4 = mp->is_ip4;
1041 clib_memcpy (&session->lcl_addr.ip46, mp->lcl_ip,
1042 sizeof (session->peer_addr.ip46));
1043 session->lcl_port = mp->lcl_port;
1044 session->state = STATE_CONNECT;
1046 /* Add it to lookup table */
1047 hash_set (vcm->session_index_by_vpp_handles, mp->handle, session_index);
1049 if (VPPCOM_DEBUG > 1)
1050 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: connect succeeded!"
1051 " session_rx_fifo %p, refcnt %d,"
1052 " session_tx_fifo %p, refcnt %d",
1053 getpid (), mp->handle, session_index,
1055 session->rx_fifo->refcnt,
1056 session->tx_fifo, session->tx_fifo->refcnt);
1058 clib_spinlock_unlock (&vcm->sessions_lockp);
1062 vppcom_send_connect_sock (session_t * session, u32 session_index)
1064 vl_api_connect_sock_t *cmp;
1066 /* Assumes caller as acquired the spinlock: vcm->sessions_lockp */
1067 cmp = vl_msg_api_alloc (sizeof (*cmp));
1068 memset (cmp, 0, sizeof (*cmp));
1069 cmp->_vl_msg_id = ntohs (VL_API_CONNECT_SOCK);
1070 cmp->client_index = vcm->my_client_index;
1071 cmp->context = session_index;
1073 cmp->is_ip4 = session->peer_addr.is_ip4;
1074 clib_memcpy (cmp->ip, &session->peer_addr.ip46, sizeof (cmp->ip));
1075 cmp->port = session->peer_port;
1076 cmp->proto = session->proto;
1077 clib_memcpy (cmp->options, session->options, sizeof (cmp->options));
1078 vl_msg_api_send_shmem (vcm->vl_input_queue, (u8 *) & cmp);
1082 vppcom_send_disconnect_session_reply (u64 vpp_handle, u32 session_index,
1085 vl_api_disconnect_session_reply_t *rmp;
1087 if (VPPCOM_DEBUG > 1)
1088 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
1089 "sending disconnect msg",
1090 getpid (), vpp_handle, session_index);
1092 rmp = vl_msg_api_alloc (sizeof (*rmp));
1093 memset (rmp, 0, sizeof (*rmp));
1095 rmp->_vl_msg_id = ntohs (VL_API_DISCONNECT_SESSION_REPLY);
1096 rmp->retval = htonl (rv);
1097 rmp->handle = vpp_handle;
1098 vl_msg_api_send_shmem (vcm->vl_input_queue, (u8 *) & rmp);
1102 vppcom_send_disconnect_session (u64 vpp_handle, u32 session_index)
1104 vl_api_disconnect_session_t *dmp;
1106 if (VPPCOM_DEBUG > 1)
1107 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
1108 "sending disconnect msg",
1109 getpid (), vpp_handle, session_index);
1111 dmp = vl_msg_api_alloc (sizeof (*dmp));
1112 memset (dmp, 0, sizeof (*dmp));
1113 dmp->_vl_msg_id = ntohs (VL_API_DISCONNECT_SESSION);
1114 dmp->client_index = vcm->my_client_index;
1115 dmp->handle = vpp_handle;
1116 vl_msg_api_send_shmem (vcm->vl_input_queue, (u8 *) & dmp);
1120 vl_api_bind_sock_reply_t_handler (vl_api_bind_sock_reply_t * mp)
1122 session_t *session = 0;
1123 u32 session_index = mp->context;
1126 VCL_LOCK_AND_GET_SESSION (session_index, &session);
1130 clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, "
1131 "sid %u: bind failed: %U",
1132 getpid (), mp->handle, session_index,
1133 format_api_error, ntohl (mp->retval));
1134 rv = vppcom_session_at_index (session_index, &session);
1135 if (rv == VPPCOM_OK)
1137 session->state = STATE_FAILED;
1138 session->vpp_handle = mp->handle;
1142 clib_warning ("[%s] ERROR: vpp handle 0x%llx, sid %u: "
1143 "Invalid session index (%u)!",
1144 getpid (), mp->handle, session_index);
1149 session->vpp_handle = mp->handle;
1150 session->lcl_addr.is_ip4 = mp->lcl_is_ip4;
1151 clib_memcpy (&session->lcl_addr.ip46, mp->lcl_ip,
1152 sizeof (session->peer_addr.ip46));
1153 session->lcl_port = mp->lcl_port;
1154 vppcom_session_table_add_listener (mp->handle, session_index);
1155 session->state = STATE_LISTEN;
1157 if (VPPCOM_DEBUG > 1)
1158 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: bind succeeded!",
1159 getpid (), mp->handle, mp->context);
1161 clib_spinlock_unlock (&vcm->sessions_lockp);
1165 vl_api_unbind_sock_reply_t_handler (vl_api_unbind_sock_reply_t * mp)
1168 clib_warning ("VCL<%d>: ERROR: sid %u: unbind failed: %U",
1169 getpid (), mp->context, format_api_error,
1170 ntohl (mp->retval));
1172 else if (VPPCOM_DEBUG > 1)
1173 clib_warning ("VCL<%d>: sid %u: unbind succeeded!",
1174 getpid (), mp->context);
1178 format_ip4_address (u8 * s, va_list * args)
1180 u8 *a = va_arg (*args, u8 *);
1181 return format (s, "%d.%d.%d.%d", a[0], a[1], a[2], a[3]);
1185 format_ip6_address (u8 * s, va_list * args)
1187 ip6_address_t *a = va_arg (*args, ip6_address_t *);
1188 u32 i, i_max_n_zero, max_n_zeros, i_first_zero, n_zeros, last_double_colon;
1190 i_max_n_zero = ARRAY_LEN (a->as_u16);
1192 i_first_zero = i_max_n_zero;
1194 for (i = 0; i < ARRAY_LEN (a->as_u16); i++)
1196 u32 is_zero = a->as_u16[i] == 0;
1197 if (is_zero && i_first_zero >= ARRAY_LEN (a->as_u16))
1203 if ((!is_zero && n_zeros > max_n_zeros)
1204 || (i + 1 >= ARRAY_LEN (a->as_u16) && n_zeros > max_n_zeros))
1206 i_max_n_zero = i_first_zero;
1207 max_n_zeros = n_zeros;
1208 i_first_zero = ARRAY_LEN (a->as_u16);
1213 last_double_colon = 0;
1214 for (i = 0; i < ARRAY_LEN (a->as_u16); i++)
1216 if (i == i_max_n_zero && max_n_zeros > 1)
1218 s = format (s, "::");
1219 i += max_n_zeros - 1;
1220 last_double_colon = 1;
1224 s = format (s, "%s%x",
1225 (last_double_colon || i == 0) ? "" : ":",
1226 clib_net_to_host_u16 (a->as_u16[i]));
1227 last_double_colon = 0;
1234 /* Format an IP46 address. */
1236 format_ip46_address (u8 * s, va_list * args)
1238 ip46_address_t *ip46 = va_arg (*args, ip46_address_t *);
1239 ip46_type_t type = va_arg (*args, ip46_type_t);
1245 is_ip4 = ip46_address_is_ip4 (ip46);
1256 format (s, "%U", format_ip4_address, &ip46->ip4) :
1257 format (s, "%U", format_ip6_address, &ip46->ip6);
1261 vppcom_send_accept_session_reply (u64 handle, u32 context, int retval)
1263 vl_api_accept_session_reply_t *rmp;
1265 rmp = vl_msg_api_alloc (sizeof (*rmp));
1266 memset (rmp, 0, sizeof (*rmp));
1267 rmp->_vl_msg_id = ntohs (VL_API_ACCEPT_SESSION_REPLY);
1268 rmp->retval = htonl (retval);
1269 rmp->context = context;
1270 rmp->handle = handle;
1271 vl_msg_api_send_shmem (vcm->vl_input_queue, (u8 *) & rmp);
1275 vl_api_accept_session_t_handler (vl_api_accept_session_t * mp)
1277 svm_fifo_t *rx_fifo, *tx_fifo;
1278 session_t *session, *listen_session;
1280 vce_event_connect_request_t *ecr;
1286 clib_spinlock_lock (&vcm->sessions_lockp);
1287 if (!clib_fifo_free_elts (vcm->client_session_index_fifo))
1289 clib_warning ("VCL<%d>: client session queue is full!", getpid ());
1290 vppcom_send_accept_session_reply (mp->handle, mp->context,
1291 VNET_API_ERROR_QUEUE_FULL);
1292 clib_spinlock_unlock (&vcm->sessions_lockp);
1296 listen_session = vppcom_session_table_lookup_listener (mp->listener_handle);
1297 if (!listen_session)
1299 clib_warning ("VCL<%d>: ERROR: couldn't find listen session: "
1300 "unknown vpp listener handle %llx",
1301 getpid (), mp->listener_handle);
1302 vppcom_send_accept_session_reply (mp->handle, mp->context,
1303 VNET_API_ERROR_INVALID_ARGUMENT);
1304 clib_spinlock_unlock (&vcm->sessions_lockp);
1308 /* TODO check listener depth and update */
1309 /* TODO on "child" fd close, update listener depth */
1311 /* Allocate local session and set it up */
1312 pool_get (vcm->sessions, session);
1313 memset (session, 0, sizeof (*session));
1314 session_index = session - vcm->sessions;
1316 rx_fifo = uword_to_pointer (mp->server_rx_fifo, svm_fifo_t *);
1317 rx_fifo->client_session_index = session_index;
1318 tx_fifo = uword_to_pointer (mp->server_tx_fifo, svm_fifo_t *);
1319 tx_fifo->client_session_index = session_index;
1321 session->vpp_handle = mp->handle;
1322 session->client_context = mp->context;
1323 session->rx_fifo = rx_fifo;
1324 session->tx_fifo = tx_fifo;
1325 session->vpp_event_queue = uword_to_pointer (mp->vpp_event_queue_address,
1327 session->state = STATE_ACCEPT;
1328 session->peer_port = mp->port;
1329 session->peer_addr.is_ip4 = mp->is_ip4;
1330 clib_memcpy (&session->peer_addr.ip46, mp->ip,
1331 sizeof (session->peer_addr.ip46));
1333 /* Add it to lookup table */
1334 hash_set (vcm->session_index_by_vpp_handles, mp->handle, session_index);
1335 session->lcl_port = listen_session->lcl_port;
1336 session->lcl_addr = listen_session->lcl_addr;
1338 /* Create an event for handlers */
1340 clib_spinlock_lock (&vcm->event_thread.events_lockp);
1342 pool_get (vcm->event_thread.vce_events, ev);
1343 ev->data = clib_mem_alloc (sizeof (vce_event_connect_request_t));
1345 ev_idx = (u32) (ev - vcm->event_thread.vce_events);
1347 ev->evk.eid = VCL_EVENT_CONNECT_REQ_ACCEPTED;
1348 listen_session = vppcom_session_table_lookup_listener (mp->listener_handle);
1349 ev->evk.session_index = (u32) (listen_session - vcm->sessions);
1351 ecr->accepted_session_index = session_index;
1353 clib_spinlock_unlock (&vcm->event_thread.events_lockp);
1355 rv = vce_generate_event (&vcm->event_thread, ev_idx);
1359 if (VPPCOM_DEBUG > 1)
1360 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: client accept "
1361 "request from %s address %U port %d queue %p!", getpid (),
1362 mp->handle, session_index, mp->is_ip4 ? "IPv4" : "IPv6",
1363 format_ip46_address, &mp->ip, mp->is_ip4,
1364 clib_net_to_host_u16 (mp->port), session->vpp_event_queue);
1366 if (VPPCOM_DEBUG > 0)
1368 session->elog_track.name =
1369 (char *) format (0, "C:%d:S:%d%c", vcm->my_client_index,
1371 elog_track_register (&vcm->elog_main, &session->elog_track);
1373 if (session->peer_addr.is_ip4)
1376 ELOG_TYPE_DECLARE (e) =
1379 "client_accept:handle:%x addr:%d.%d.%d.%d:%d",
1380 .format_args = "i8i1i1i1i1i2",
1383 CLIB_PACKED (struct {
1389 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
1391 ed->handle = mp->handle;
1392 ed->addr[0] = session->peer_addr.ip46.ip4.as_u8[0];
1393 ed->addr[1] = session->peer_addr.ip46.ip4.as_u8[1];
1394 ed->addr[2] = session->peer_addr.ip46.ip4.as_u8[2];
1395 ed->addr[3] = session->peer_addr.ip46.ip4.as_u8[3];
1396 ed->port = clib_net_to_host_u16 (session->peer_port);
1401 clib_warning ("ip6");
1404 clib_spinlock_unlock (&vcm->sessions_lockp);
1409 vppcom_send_bind_sock (session_t * session, u32 session_index)
1411 vl_api_bind_sock_t *bmp;
1413 /* Assumes caller has acquired spinlock: vcm->sessions_lockp */
1414 bmp = vl_msg_api_alloc (sizeof (*bmp));
1415 memset (bmp, 0, sizeof (*bmp));
1417 bmp->_vl_msg_id = ntohs (VL_API_BIND_SOCK);
1418 bmp->client_index = vcm->my_client_index;
1419 bmp->context = session_index;
1420 bmp->is_ip4 = session->lcl_addr.is_ip4;
1421 clib_memcpy (bmp->ip, &session->lcl_addr.ip46, sizeof (bmp->ip));
1422 bmp->port = session->lcl_port;
1423 bmp->proto = session->proto;
1424 clib_memcpy (bmp->options, session->options, sizeof (bmp->options));
1425 vl_msg_api_send_shmem (vcm->vl_input_queue, (u8 *) & bmp);
1429 vppcom_send_unbind_sock (u64 vpp_handle)
1431 vl_api_unbind_sock_t *ump;
1433 ump = vl_msg_api_alloc (sizeof (*ump));
1434 memset (ump, 0, sizeof (*ump));
1436 ump->_vl_msg_id = ntohs (VL_API_UNBIND_SOCK);
1437 ump->client_index = vcm->my_client_index;
1438 ump->handle = vpp_handle;
1439 vl_msg_api_send_shmem (vcm->vl_input_queue, (u8 *) & ump);
1443 vppcom_session_unbind (u32 session_index)
1445 session_t *session = 0;
1448 elog_track_t session_elog_track;
1450 VCL_LOCK_AND_GET_SESSION (session_index, &session);
1452 vpp_handle = session->vpp_handle;
1453 vppcom_session_table_del_listener (vpp_handle);
1454 session->vpp_handle = ~0;
1455 session->state = STATE_DISCONNECT;
1456 session_elog_track = session->elog_track;
1458 clib_spinlock_unlock (&vcm->sessions_lockp);
1460 if (VPPCOM_DEBUG > 1)
1461 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
1462 "sending unbind msg! new state 0x%x (%s)",
1463 getpid (), vpp_handle, session_index,
1465 vppcom_session_state_str (STATE_DISCONNECT));
1467 if (VPPCOM_DEBUG > 0)
1470 ELOG_TYPE_DECLARE (e) =
1472 .format = "unbind: handle:%x",
1473 .format_args = "i8",
1481 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session_elog_track);
1482 ed->handle = vpp_handle;
1486 vppcom_send_unbind_sock (vpp_handle);
1493 vppcom_session_disconnect (u32 session_index)
1498 session_state_t state;
1500 VCL_LOCK_AND_GET_SESSION (session_index, &session);
1502 vpp_handle = session->vpp_handle;
1503 state = session->state;
1504 clib_spinlock_unlock (&vcm->sessions_lockp);
1506 if (VPPCOM_DEBUG > 1)
1508 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u "
1510 getpid (), vpp_handle, session_index,
1511 state, vppcom_session_state_str (state));
1514 if (PREDICT_FALSE (state & STATE_LISTEN))
1516 clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: "
1517 "Cannot disconnect a listen socket!",
1518 getpid (), vpp_handle, session_index);
1523 /* The peer has already initiated the close,
1524 * so send the disconnect session reply.
1526 if (state & STATE_CLOSE_ON_EMPTY)
1528 //XXX alagalah - Check and drain here?
1529 vppcom_send_disconnect_session_reply (vpp_handle,
1530 session_index, 0 /* rv */ );
1531 if (VPPCOM_DEBUG > 1)
1532 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
1533 "sending disconnect REPLY...",
1534 getpid (), vpp_handle, session_index);
1537 /* Otherwise, send a disconnect session msg...
1541 if (VPPCOM_DEBUG > 1)
1542 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
1543 "sending disconnect...",
1544 getpid (), vpp_handle, session_index);
1546 vppcom_send_disconnect_session (vpp_handle, session_index);
1553 #define foreach_sock_msg \
1554 _(SESSION_ENABLE_DISABLE_REPLY, session_enable_disable_reply) \
1555 _(BIND_SOCK_REPLY, bind_sock_reply) \
1556 _(UNBIND_SOCK_REPLY, unbind_sock_reply) \
1557 _(ACCEPT_SESSION, accept_session) \
1558 _(CONNECT_SESSION_REPLY, connect_session_reply) \
1559 _(DISCONNECT_SESSION, disconnect_session) \
1560 _(DISCONNECT_SESSION_REPLY, disconnect_session_reply) \
1561 _(RESET_SESSION, reset_session) \
1562 _(APPLICATION_ATTACH_REPLY, application_attach_reply) \
1563 _(APPLICATION_DETACH_REPLY, application_detach_reply) \
1564 _(MAP_ANOTHER_SEGMENT, map_another_segment) \
1565 _(UNMAP_SEGMENT, unmap_segment)
1568 vppcom_api_hookup (void)
1571 vl_msg_api_set_handlers(VL_API_##N, #n, \
1572 vl_api_##n##_t_handler, \
1574 vl_api_##n##_t_endian, \
1575 vl_api_##n##_t_print, \
1576 sizeof(vl_api_##n##_t), 1);
1582 vppcom_cfg_init (vppcom_cfg_t * vcl_cfg)
1586 vcl_cfg->heapsize = (256ULL << 20);
1587 vcl_cfg->vpp_api_q_length = 1024;
1588 vcl_cfg->segment_baseva = 0x200000000ULL;
1589 vcl_cfg->segment_size = (256 << 20);
1590 vcl_cfg->add_segment_size = (128 << 20);
1591 vcl_cfg->preallocated_fifo_pairs = 8;
1592 vcl_cfg->rx_fifo_size = (1 << 20);
1593 vcl_cfg->tx_fifo_size = (1 << 20);
1594 vcl_cfg->event_queue_size = 2048;
1595 vcl_cfg->listen_queue_size = CLIB_CACHE_LINE_BYTES / sizeof (u32);
1596 vcl_cfg->app_timeout = 10 * 60.0;
1597 vcl_cfg->session_timeout = 10 * 60.0;
1598 vcl_cfg->accept_timeout = 60.0;
1599 vcl_cfg->event_ring_size = (128 << 10);
1600 vcl_cfg->event_log_path = "/dev/shm";
1604 vppcom_cfg_heapsize (char *conf_fname)
1606 vppcom_cfg_t *vcl_cfg = &vcm->cfg;
1619 fp = fopen (conf_fname, "r");
1622 if (VPPCOM_DEBUG > 0)
1623 clib_warning ("VCL<%d>: using default heapsize %lld (0x%llx)",
1624 getpid (), vcl_cfg->heapsize, vcl_cfg->heapsize);
1628 argv = calloc (1, sizeof (char *));
1631 if (VPPCOM_DEBUG > 0)
1632 clib_warning ("VCL<%d>: calloc failed, using default "
1633 "heapsize %lld (0x%llx)",
1634 getpid (), vcl_cfg->heapsize, vcl_cfg->heapsize);
1640 if (fgets (inbuf, 4096, fp) == 0)
1642 p = strtok (inbuf, " \t\n");
1648 char **tmp = realloc (argv, argc * sizeof (char *));
1651 if (VPPCOM_DEBUG > 0)
1652 clib_warning ("VCL<%d>: realloc failed, "
1653 "using default heapsize %lld (0x%llx)",
1654 getpid (), vcl_cfg->heapsize,
1659 arg = strndup (p, 1024);
1662 if (VPPCOM_DEBUG > 0)
1663 clib_warning ("VCL<%d>: strndup failed, "
1664 "using default heapsize %lld (0x%llx)",
1665 getpid (), vcl_cfg->heapsize,
1669 argv[argc - 1] = arg;
1670 p = strtok (NULL, " \t\n");
1677 char **tmp = realloc (argv, (argc + 1) * sizeof (char *));
1680 if (VPPCOM_DEBUG > 0)
1681 clib_warning ("VCL<%d>: realloc failed, "
1682 "using default heapsize %lld (0x%llx)",
1683 getpid (), vcl_cfg->heapsize, vcl_cfg->heapsize);
1690 * Look for and parse the "heapsize" config parameter.
1691 * Manual since none of the clib infra has been bootstrapped yet.
1693 * Format: heapsize <nn>[mM][gG]
1696 for (i = 1; i < (argc - 1); i++)
1698 if (!strncmp (argv[i], "heapsize", 8))
1700 sizep = (u8 *) argv[i + 1];
1702 while (*sizep >= '0' && *sizep <= '9')
1705 size += *sizep++ - '0';
1709 if (VPPCOM_DEBUG > 0)
1710 clib_warning ("VCL<%d>: parse error '%s %s', "
1711 "using default heapsize %lld (0x%llx)",
1712 getpid (), argv[i], argv[i + 1],
1713 vcl_cfg->heapsize, vcl_cfg->heapsize);
1717 if (*sizep == 'g' || *sizep == 'G')
1718 vcl_cfg->heapsize = size << 30;
1719 else if (*sizep == 'm' || *sizep == 'M')
1720 vcl_cfg->heapsize = size << 20;
1723 if (VPPCOM_DEBUG > 0)
1724 clib_warning ("VCL<%d>: parse error '%s %s', "
1725 "using default heapsize %lld (0x%llx)",
1726 getpid (), argv[i], argv[i + 1],
1727 vcl_cfg->heapsize, vcl_cfg->heapsize);
1739 vcl_mem = mmap (0, vcl_cfg->heapsize, PROT_READ | PROT_WRITE,
1740 MAP_SHARED | MAP_ANONYMOUS, -1, 0);
1741 if (vcl_mem == MAP_FAILED)
1743 clib_unix_error ("VCL<%d>: ERROR: mmap(0, %lld == 0x%llx, "
1744 "PROT_READ | PROT_WRITE,MAP_SHARED | MAP_ANONYMOUS, "
1746 getpid (), vcl_cfg->heapsize, vcl_cfg->heapsize);
1747 ASSERT (vcl_mem != MAP_FAILED);
1750 heap = clib_mem_init (vcl_mem, vcl_cfg->heapsize);
1753 clib_warning ("VCL<%d>: ERROR: clib_mem_init() failed!", getpid ());
1757 vcl_mem = clib_mem_alloc (sizeof (_vppcom_main));
1760 clib_warning ("VCL<%d>: ERROR: clib_mem_alloc() failed!", getpid ());
1765 clib_memcpy (vcl_mem, &_vppcom_main, sizeof (_vppcom_main));
1768 if (VPPCOM_DEBUG > 0)
1769 clib_warning ("VCL<%d>: allocated VCL heap = %p, size %lld (0x%llx)",
1770 getpid (), heap, vcl_cfg->heapsize, vcl_cfg->heapsize);
1774 vppcom_cfg_read (char *conf_fname)
1776 vppcom_cfg_t *vcl_cfg = &vcm->cfg;
1778 unformat_input_t _input, *input = &_input;
1779 unformat_input_t _line_input, *line_input = &_line_input;
1780 u8 vc_cfg_input = 0;
1783 u32 uid, gid, q_len;
1785 fd = open (conf_fname, O_RDONLY);
1788 if (VPPCOM_DEBUG > 0)
1789 clib_warning ("VCL<%d>: using default configuration.",
1790 getpid (), conf_fname);
1794 if (fstat (fd, &s) < 0)
1796 if (VPPCOM_DEBUG > 0)
1797 clib_warning ("VCL<%d>: failed to stat `%s', "
1798 "using default configuration", getpid (), conf_fname);
1802 if (!(S_ISREG (s.st_mode) || S_ISLNK (s.st_mode)))
1804 if (VPPCOM_DEBUG > 0)
1805 clib_warning ("VCL<%d>: not a regular file `%s', "
1806 "using default configuration", getpid (), conf_fname);
1810 unformat_init_clib_file (input, fd);
1812 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
1814 (void) unformat_user (input, unformat_line_input, line_input);
1815 unformat_skip_white_space (line_input);
1817 if (unformat (line_input, "vcl {"))
1825 if (unformat (line_input, "heapsize %s", &chroot_path))
1827 vec_terminate_c_string (chroot_path);
1828 if (VPPCOM_DEBUG > 0)
1829 clib_warning ("VCL<%d>: configured heapsize %s, "
1830 "actual heapsize %lld (0x%llx)",
1831 getpid (), chroot_path, vcl_cfg->heapsize,
1833 vec_free (chroot_path);
1835 else if (unformat (line_input, "api-prefix %s", &chroot_path))
1837 vec_terminate_c_string (chroot_path);
1838 if (vcl_cfg->vpp_api_filename)
1839 vec_free (vcl_cfg->vpp_api_filename);
1840 vcl_cfg->vpp_api_filename = format (0, "/%s-vpe-api%c",
1842 vl_set_memory_root_path ((char *) chroot_path);
1844 if (VPPCOM_DEBUG > 0)
1845 clib_warning ("VCL<%d>: configured api-prefix (%s) and "
1846 "api filename (%s)", getpid (), chroot_path,
1847 vcl_cfg->vpp_api_filename);
1848 chroot_path = 0; /* Don't vec_free() it! */
1850 else if (unformat (line_input, "vpp-api-q-length %d", &q_len))
1852 if (q_len < vcl_cfg->vpp_api_q_length)
1854 clib_warning ("VCL<%d>: ERROR: configured vpp-api-q-length "
1855 "(%u) is too small! Using default: %u ",
1856 getpid (), q_len, vcl_cfg->vpp_api_q_length);
1860 vcl_cfg->vpp_api_q_length = q_len;
1862 if (VPPCOM_DEBUG > 0)
1863 clib_warning ("VCL<%d>: configured vpp-api-q-length %u",
1864 getpid (), vcl_cfg->vpp_api_q_length);
1867 else if (unformat (line_input, "uid %d", &uid))
1869 vl_set_memory_uid (uid);
1870 if (VPPCOM_DEBUG > 0)
1871 clib_warning ("VCL<%d>: configured uid %d", getpid (), uid);
1873 else if (unformat (line_input, "gid %d", &gid))
1875 vl_set_memory_gid (gid);
1876 if (VPPCOM_DEBUG > 0)
1877 clib_warning ("VCL<%d>: configured gid %d", getpid (), gid);
1879 else if (unformat (line_input, "segment-baseva 0x%lx",
1880 &vcl_cfg->segment_baseva))
1882 if (VPPCOM_DEBUG > 0)
1883 clib_warning ("VCL<%d>: configured segment_baseva 0x%lx",
1884 getpid (), vcl_cfg->segment_baseva);
1886 else if (unformat (line_input, "segment-size 0x%lx",
1887 &vcl_cfg->segment_size))
1889 if (VPPCOM_DEBUG > 0)
1890 clib_warning ("VCL<%d>: configured segment_size 0x%lx (%ld)",
1891 getpid (), vcl_cfg->segment_size,
1892 vcl_cfg->segment_size);
1894 else if (unformat (line_input, "segment-size %ld",
1895 &vcl_cfg->segment_size))
1897 if (VPPCOM_DEBUG > 0)
1898 clib_warning ("VCL<%d>: configured segment_size %ld (0x%lx)",
1899 getpid (), vcl_cfg->segment_size,
1900 vcl_cfg->segment_size);
1902 else if (unformat (line_input, "add-segment-size 0x%lx",
1903 &vcl_cfg->add_segment_size))
1905 if (VPPCOM_DEBUG > 0)
1907 ("VCL<%d>: configured add_segment_size 0x%lx (%ld)",
1908 getpid (), vcl_cfg->add_segment_size,
1909 vcl_cfg->add_segment_size);
1911 else if (unformat (line_input, "add-segment-size %ld",
1912 &vcl_cfg->add_segment_size))
1914 if (VPPCOM_DEBUG > 0)
1916 ("VCL<%d>: configured add_segment_size %ld (0x%lx)",
1917 getpid (), vcl_cfg->add_segment_size,
1918 vcl_cfg->add_segment_size);
1920 else if (unformat (line_input, "preallocated-fifo-pairs %d",
1921 &vcl_cfg->preallocated_fifo_pairs))
1923 if (VPPCOM_DEBUG > 0)
1924 clib_warning ("VCL<%d>: configured preallocated_fifo_pairs "
1925 "%d (0x%x)", getpid (),
1926 vcl_cfg->preallocated_fifo_pairs,
1927 vcl_cfg->preallocated_fifo_pairs);
1929 else if (unformat (line_input, "rx-fifo-size 0x%lx",
1930 &vcl_cfg->rx_fifo_size))
1932 if (VPPCOM_DEBUG > 0)
1933 clib_warning ("VCL<%d>: configured rx_fifo_size 0x%lx (%ld)",
1934 getpid (), vcl_cfg->rx_fifo_size,
1935 vcl_cfg->rx_fifo_size);
1937 else if (unformat (line_input, "rx-fifo-size %ld",
1938 &vcl_cfg->rx_fifo_size))
1940 if (VPPCOM_DEBUG > 0)
1941 clib_warning ("VCL<%d>: configured rx_fifo_size %ld (0x%lx)",
1942 getpid (), vcl_cfg->rx_fifo_size,
1943 vcl_cfg->rx_fifo_size);
1945 else if (unformat (line_input, "tx-fifo-size 0x%lx",
1946 &vcl_cfg->tx_fifo_size))
1948 if (VPPCOM_DEBUG > 0)
1949 clib_warning ("VCL<%d>: configured tx_fifo_size 0x%lx (%ld)",
1950 getpid (), vcl_cfg->tx_fifo_size,
1951 vcl_cfg->tx_fifo_size);
1953 else if (unformat (line_input, "tx-fifo-size %ld",
1954 &vcl_cfg->tx_fifo_size))
1956 if (VPPCOM_DEBUG > 0)
1957 clib_warning ("VCL<%d>: configured tx_fifo_size %ld (0x%lx)",
1958 getpid (), vcl_cfg->tx_fifo_size,
1959 vcl_cfg->tx_fifo_size);
1961 else if (unformat (line_input, "event-queue-size 0x%lx",
1962 &vcl_cfg->event_queue_size))
1964 if (VPPCOM_DEBUG > 0)
1965 clib_warning ("VCL<%d>: configured event_queue_size "
1967 getpid (), vcl_cfg->event_queue_size,
1968 vcl_cfg->event_queue_size);
1970 else if (unformat (line_input, "event-queue-size %ld",
1971 &vcl_cfg->event_queue_size))
1973 if (VPPCOM_DEBUG > 0)
1974 clib_warning ("VCL<%d>: configured event_queue_size "
1976 getpid (), vcl_cfg->event_queue_size,
1977 vcl_cfg->event_queue_size);
1979 else if (unformat (line_input, "listen-queue-size 0x%lx",
1980 &vcl_cfg->listen_queue_size))
1982 if (VPPCOM_DEBUG > 0)
1983 clib_warning ("VCL<%d>: configured listen_queue_size "
1985 getpid (), vcl_cfg->listen_queue_size,
1986 vcl_cfg->listen_queue_size);
1988 else if (unformat (line_input, "listen-queue-size %ld",
1989 &vcl_cfg->listen_queue_size))
1991 if (VPPCOM_DEBUG > 0)
1992 clib_warning ("VCL<%d>: configured listen_queue_size "
1994 getpid (), vcl_cfg->listen_queue_size,
1995 vcl_cfg->listen_queue_size);
1997 else if (unformat (line_input, "app-timeout %f",
1998 &vcl_cfg->app_timeout))
2000 if (VPPCOM_DEBUG > 0)
2001 clib_warning ("VCL<%d>: configured app_timeout %f",
2002 getpid (), vcl_cfg->app_timeout);
2004 else if (unformat (line_input, "session-timeout %f",
2005 &vcl_cfg->session_timeout))
2007 if (VPPCOM_DEBUG > 0)
2008 clib_warning ("VCL<%d>: configured session_timeout %f",
2009 getpid (), vcl_cfg->session_timeout);
2011 else if (unformat (line_input, "accept-timeout %f",
2012 &vcl_cfg->accept_timeout))
2014 if (VPPCOM_DEBUG > 0)
2015 clib_warning ("VCL<%d>: configured accept_timeout %f",
2016 getpid (), vcl_cfg->accept_timeout);
2018 else if (unformat (line_input, "app-proxy-transport-tcp"))
2020 vcl_cfg->app_proxy_transport_tcp = 1;
2021 if (VPPCOM_DEBUG > 0)
2022 clib_warning ("VCL<%d>: configured "
2023 "app_proxy_transport_tcp (%d)",
2024 getpid (), vcl_cfg->app_proxy_transport_tcp);
2026 else if (unformat (line_input, "app-proxy-transport-udp"))
2028 vcl_cfg->app_proxy_transport_udp = 1;
2029 if (VPPCOM_DEBUG > 0)
2030 clib_warning ("VCL<%d>: configured "
2031 "app_proxy_transport_udp (%d)",
2032 getpid (), vcl_cfg->app_proxy_transport_udp);
2034 else if (unformat (line_input, "app-scope-local"))
2036 vcl_cfg->app_scope_local = 1;
2037 if (VPPCOM_DEBUG > 0)
2038 clib_warning ("VCL<%d>: configured app_scope_local (%d)",
2039 getpid (), vcl_cfg->app_scope_local);
2041 else if (unformat (line_input, "app-scope-global"))
2043 vcl_cfg->app_scope_global = 1;
2044 if (VPPCOM_DEBUG > 0)
2045 clib_warning ("VCL<%d>: configured app_scope_global (%d)",
2046 getpid (), vcl_cfg->app_scope_global);
2048 else if (unformat (line_input, "namespace-secret %lu",
2049 &vcl_cfg->namespace_secret))
2051 if (VPPCOM_DEBUG > 0)
2053 ("VCL<%d>: configured namespace_secret %lu (0x%lx)",
2054 getpid (), vcl_cfg->namespace_secret,
2055 vcl_cfg->namespace_secret);
2057 else if (unformat (line_input, "namespace-id %v",
2058 &vcl_cfg->namespace_id))
2060 vl_api_application_attach_t *mp;
2061 u32 max_nsid_vec_len = sizeof (mp->namespace_id) - 1;
2062 u32 nsid_vec_len = vec_len (vcl_cfg->namespace_id);
2063 if (nsid_vec_len > max_nsid_vec_len)
2065 _vec_len (vcl_cfg->namespace_id) = max_nsid_vec_len;
2066 if (VPPCOM_DEBUG > 0)
2067 clib_warning ("VCL<%d>: configured namespace_id is "
2068 "too long, truncated to %d characters!",
2069 getpid (), max_nsid_vec_len);
2072 if (VPPCOM_DEBUG > 0)
2073 clib_warning ("VCL<%d>: configured namespace_id %v",
2074 getpid (), vcl_cfg->namespace_id);
2076 else if (unformat (line_input, "}"))
2079 if (VPPCOM_DEBUG > 0)
2080 clib_warning ("VCL<%d>: completed parsing vppcom config!",
2086 if (line_input->buffer[line_input->index] != '#')
2088 clib_warning ("VCL<%d>: Unknown vppcom config option: '%s'",
2090 &line_input->buffer[line_input->index]);
2097 unformat_free (input);
2105 * VPPCOM Public API functions
2108 vppcom_app_create (char *app_name)
2110 vppcom_cfg_t *vcl_cfg = &vcm->cfg;
2121 vppcom_cfg_init (vcl_cfg);
2122 env_var_str = getenv (VPPCOM_ENV_DEBUG);
2126 if (sscanf (env_var_str, "%u", &tmp) != 1)
2127 clib_warning ("VCL<%d>: WARNING: Invalid debug level specified "
2128 "in the environment variable " VPPCOM_ENV_DEBUG
2129 " (%s)!\n", getpid (), env_var_str);
2133 if (VPPCOM_DEBUG > 0)
2134 clib_warning ("VCL<%d>: configured VCL debug level (%u) from "
2135 VPPCOM_ENV_DEBUG "!", getpid (), vcm->debug);
2138 conf_fname = getenv (VPPCOM_ENV_CONF);
2140 conf_fname = VPPCOM_CONF_DEFAULT;
2141 vppcom_cfg_heapsize (conf_fname);
2142 vcl_cfg = &vcm->cfg;
2143 clib_fifo_validate (vcm->client_session_index_fifo,
2144 vcm->cfg.listen_queue_size);
2145 vppcom_cfg_read (conf_fname);
2147 env_var_str = getenv (VPPCOM_ENV_API_PREFIX);
2150 if (vcl_cfg->vpp_api_filename)
2151 vec_free (vcl_cfg->vpp_api_filename);
2152 vcl_cfg->vpp_api_filename = format (0, "/%s-vpe-api%c",
2154 vl_set_memory_root_path ((char *) env_var_str);
2156 if (VPPCOM_DEBUG > 0)
2157 clib_warning ("VCL<%d>: configured api prefix (%s) and "
2158 "filename (%s) from " VPPCOM_ENV_API_PREFIX "!",
2159 getpid (), env_var_str, vcl_cfg->vpp_api_filename);
2162 env_var_str = getenv (VPPCOM_ENV_APP_NAMESPACE_SECRET);
2166 if (sscanf (env_var_str, "%lu", &tmp) != 1)
2167 clib_warning ("VCL<%d>: WARNING: Invalid namespace secret "
2168 "specified in the environment variable "
2169 VPPCOM_ENV_APP_NAMESPACE_SECRET
2170 " (%s)!\n", getpid (), env_var_str);
2173 vcm->cfg.namespace_secret = tmp;
2174 if (VPPCOM_DEBUG > 0)
2175 clib_warning ("VCL<%d>: configured namespace secret "
2176 "(%lu) from " VPPCOM_ENV_APP_NAMESPACE_ID "!",
2177 getpid (), vcm->cfg.namespace_secret);
2180 env_var_str = getenv (VPPCOM_ENV_APP_NAMESPACE_ID);
2183 u32 ns_id_vec_len = strlen (env_var_str);
2185 vec_reset_length (vcm->cfg.namespace_id);
2186 vec_validate (vcm->cfg.namespace_id, ns_id_vec_len - 1);
2187 clib_memcpy (vcm->cfg.namespace_id, env_var_str, ns_id_vec_len);
2189 if (VPPCOM_DEBUG > 0)
2190 clib_warning ("VCL<%d>: configured namespace_id (%v) from "
2191 VPPCOM_ENV_APP_NAMESPACE_ID
2192 "!", getpid (), vcm->cfg.namespace_id);
2194 env_var_str = getenv (VPPCOM_ENV_APP_NAMESPACE_SECRET);
2198 if (sscanf (env_var_str, "%lu", &tmp) != 1)
2199 clib_warning ("VCL<%d>: WARNING: Invalid namespace secret "
2200 "specified in the environment variable "
2201 VPPCOM_ENV_APP_NAMESPACE_SECRET
2202 " (%s)!\n", getpid (), env_var_str);
2205 vcm->cfg.namespace_secret = tmp;
2206 if (VPPCOM_DEBUG > 0)
2207 clib_warning ("VCL<%d>: configured namespace secret "
2209 VPPCOM_ENV_APP_NAMESPACE_ID
2210 "!", getpid (), vcm->cfg.namespace_secret);
2213 if (getenv (VPPCOM_ENV_APP_PROXY_TRANSPORT_TCP))
2215 vcm->cfg.app_proxy_transport_tcp = 1;
2216 if (VPPCOM_DEBUG > 0)
2217 clib_warning ("VCL<%d>: configured app_proxy_transport_tcp "
2219 VPPCOM_ENV_APP_PROXY_TRANSPORT_TCP
2220 "!", getpid (), vcm->cfg.app_proxy_transport_tcp);
2222 if (getenv (VPPCOM_ENV_APP_PROXY_TRANSPORT_UDP))
2224 vcm->cfg.app_proxy_transport_udp = 1;
2225 if (VPPCOM_DEBUG > 0)
2226 clib_warning ("VCL<%d>: configured app_proxy_transport_udp "
2228 VPPCOM_ENV_APP_PROXY_TRANSPORT_UDP
2229 "!", getpid (), vcm->cfg.app_proxy_transport_udp);
2231 if (getenv (VPPCOM_ENV_APP_SCOPE_LOCAL))
2233 vcm->cfg.app_scope_local = 1;
2234 if (VPPCOM_DEBUG > 0)
2235 clib_warning ("VCL<%d>: configured app_scope_local (%u) from "
2236 VPPCOM_ENV_APP_SCOPE_LOCAL
2237 "!", getpid (), vcm->cfg.app_scope_local);
2239 if (getenv (VPPCOM_ENV_APP_SCOPE_GLOBAL))
2241 vcm->cfg.app_scope_global = 1;
2242 if (VPPCOM_DEBUG > 0)
2243 clib_warning ("VCL<%d>: configured app_scope_global (%u) from "
2244 VPPCOM_ENV_APP_SCOPE_GLOBAL
2245 "!", getpid (), vcm->cfg.app_scope_global);
2248 vcm->main_cpu = os_get_thread_index ();
2249 heap = clib_mem_get_per_cpu_heap ();
2250 h = mheap_header (heap);
2252 /* make the main heap thread-safe */
2253 h->flags |= MHEAP_FLAG_THREAD_SAFE;
2255 vcm->session_index_by_vpp_handles = hash_create (0, sizeof (uword));
2257 clib_time_init (&vcm->clib_time);
2258 vppcom_init_error_string_table ();
2259 svm_fifo_segment_main_init (vcl_cfg->segment_baseva,
2260 20 /* timeout in secs */ );
2261 clib_spinlock_init (&vcm->sessions_lockp);
2264 if (vcm->my_client_index == ~0)
2267 /* API hookup and connect to VPP */
2268 vppcom_api_hookup ();
2269 vcm->app_state = STATE_APP_START;
2270 rv = vppcom_connect_to_vpp (app_name);
2273 clib_warning ("VCL<%d>: ERROR: couldn't connect to VPP!",
2278 /* State event handling thread */
2280 rv = vce_start_event_thread (&(vcm->event_thread), 20);
2283 if (VPPCOM_DEBUG > 0)
2284 clib_warning ("VCL<%d>: sending session enable", getpid ());
2286 rv = vppcom_app_session_enable ();
2289 clib_warning ("VCL<%d>: ERROR: vppcom_app_session_enable() "
2290 "failed!", getpid ());
2294 if (VPPCOM_DEBUG > 0)
2295 clib_warning ("VCL<%d>: sending app attach", getpid ());
2297 rv = vppcom_app_attach ();
2300 clib_warning ("VCL<%d>: ERROR: vppcom_app_attach() failed!",
2305 if (VPPCOM_DEBUG > 0)
2306 clib_warning ("VCL<%d>: app_name '%s', my_client_index %d (0x%x)",
2307 getpid (), app_name, vcm->my_client_index,
2308 vcm->my_client_index);
2315 vppcom_app_destroy (void)
2319 if (vcm->my_client_index == ~0)
2322 if (VPPCOM_DEBUG > 0)
2323 clib_warning ("VCL<%d>: detaching from VPP, my_client_index %d (0x%x)",
2324 getpid (), vcm->my_client_index, vcm->my_client_index);
2326 if (VPPCOM_DEBUG > 0)
2329 ELOG_TYPE_DECLARE (e) =
2331 .format = "app_detach:C:%d",
2332 .format_args = "i4",
2339 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, vcm->elog_track);
2340 ed->data = vcm->my_client_index;
2344 vppcom_app_detach ();
2345 rv = vppcom_wait_for_app_state_change (STATE_APP_ENABLED);
2346 if (PREDICT_FALSE (rv))
2348 if (VPPCOM_DEBUG > 0)
2349 clib_warning ("VCL<%d>: application detach timed out! "
2350 "returning %d (%s)",
2351 getpid (), rv, vppcom_retval_str (rv));
2354 /* Finished with logging before client gets reset to ~0 */
2355 if (VPPCOM_DEBUG > 0)
2358 vl_client_disconnect_from_vlib ();
2359 vcm->my_client_index = ~0;
2360 vcm->app_state = STATE_APP_START;
2364 vppcom_session_create (u8 proto, u8 is_nonblocking)
2368 session_state_t state;
2369 elog_track_t session_elog_track;
2371 clib_spinlock_lock (&vcm->sessions_lockp);
2372 pool_get (vcm->sessions, session);
2373 memset (session, 0, sizeof (*session));
2374 session_index = session - vcm->sessions;
2376 session->proto = proto;
2377 session->state = STATE_START;
2378 state = session->state;
2379 session->vpp_handle = ~0;
2382 VCL_SESS_ATTR_SET (session->attr, VCL_SESS_ATTR_NONBLOCK);
2384 VCL_SESS_ATTR_CLR (session->attr, VCL_SESS_ATTR_NONBLOCK);
2386 if (VPPCOM_DEBUG > 0)
2388 session->elog_track.name =
2389 (char *) format (0, "C:%d:S:%d%c", vcm->my_client_index,
2391 elog_track_register (&vcm->elog_main, &session->elog_track);
2392 session_elog_track = session->elog_track;
2395 clib_spinlock_unlock (&vcm->sessions_lockp);
2397 if (VPPCOM_DEBUG > 0)
2398 clib_warning ("VCL<%d>: sid %u", getpid (), session_index);
2400 if (VPPCOM_DEBUG > 0)
2403 ELOG_TYPE_DECLARE (e) =
2405 .format = "session_create:proto:%d state:%d is_nonblocking:%d",
2406 .format_args = "i4i4i4",
2414 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session_elog_track);
2415 ed->data[0] = proto;
2416 ed->data[1] = state;
2417 ed->data[2] = is_nonblocking;
2421 return (int) session_index;
2425 vppcom_session_close (uint32_t session_index)
2427 session_t *session = 0;
2435 session_state_t state;
2436 elog_track_t session_elog_track;
2438 VCL_LOCK_AND_GET_SESSION (session_index, &session);
2439 is_vep = session->is_vep;
2440 is_vep_session = session->is_vep_session;
2441 next_sid = session->vep.next_sid;
2442 vep_idx = session->vep.vep_idx;
2443 state = session->state;
2444 vpp_handle = session->vpp_handle;
2445 clib_spinlock_unlock (&vcm->sessions_lockp);
2448 * Why two if(VPPCOM_DEBUG) checks?
2450 * Eventually all clib_warnings need their own way of being
2451 * logged and signalled (like severity) where event logging
2452 * is a separate debugging tool. It will make the separation
2453 * easier. ... parting is such sweet sorrow ...
2455 if (VPPCOM_DEBUG > 0)
2457 session_elog_track = session->elog_track;
2460 if (VPPCOM_DEBUG > 0)
2463 clib_warning ("VCL<%d>: vep_idx %u / sid %u: "
2464 "closing epoll session...",
2465 getpid (), session_index, session_index);
2467 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %d: "
2468 "closing session...",
2469 getpid (), vpp_handle, session_index);
2474 while (next_sid != ~0)
2476 rv = vppcom_epoll_ctl (session_index, EPOLL_CTL_DEL, next_sid, 0);
2477 if ((VPPCOM_DEBUG > 0) && PREDICT_FALSE (rv < 0))
2478 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
2479 "EPOLL_CTL_DEL vep_idx %u failed! rv %d (%s)",
2480 getpid (), vpp_handle, next_sid, vep_idx,
2481 rv, vppcom_retval_str (rv));
2483 VCL_LOCK_AND_GET_SESSION (session_index, &session);
2484 next_sid = session->vep.next_sid;
2485 clib_spinlock_unlock (&vcm->sessions_lockp);
2492 rv = vppcom_epoll_ctl (vep_idx, EPOLL_CTL_DEL, session_index, 0);
2493 if ((VPPCOM_DEBUG > 0) && (rv < 0))
2494 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
2495 "EPOLL_CTL_DEL vep_idx %u failed! rv %d (%s)",
2496 getpid (), vpp_handle, session_index,
2497 vep_idx, rv, vppcom_retval_str (rv));
2500 if (state & STATE_LISTEN)
2502 rv = vppcom_session_unbind (session_index);
2503 if (PREDICT_FALSE (rv < 0))
2505 if (VPPCOM_DEBUG > 0)
2506 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
2507 "listener unbind failed! rv %d (%s)",
2508 getpid (), vpp_handle, session_index,
2509 rv, vppcom_retval_str (rv));
2513 else if (state & (CLIENT_STATE_OPEN | SERVER_STATE_OPEN))
2515 rv = vppcom_session_disconnect (session_index);
2516 if (PREDICT_FALSE (rv < 0))
2517 clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: "
2518 "session disconnect failed! rv %d (%s)",
2519 getpid (), vpp_handle, session_index,
2520 rv, vppcom_retval_str (rv));
2524 VCL_LOCK_AND_GET_SESSION (session_index, &session);
2525 vpp_handle = session->vpp_handle;
2526 if (vpp_handle != ~0)
2528 p = hash_get (vcm->session_index_by_vpp_handles, vpp_handle);
2530 hash_unset (vcm->session_index_by_vpp_handles, vpp_handle);
2532 pool_put_index (vcm->sessions, session_index);
2534 clib_spinlock_unlock (&vcm->sessions_lockp);
2536 if (VPPCOM_DEBUG > 0)
2539 clib_warning ("VCL<%d>: vep_idx %u / sid %u: epoll session removed.",
2540 getpid (), session_index, session_index);
2542 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: session removed.",
2543 getpid (), vpp_handle, session_index);
2547 if (VPPCOM_DEBUG > 0)
2550 ELOG_TYPE_DECLARE (e) =
2552 .format = "session_close:rv:%d",
2553 .format_args = "i4",
2561 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session_elog_track);
2570 vppcom_session_bind (uint32_t session_index, vppcom_endpt_t * ep)
2572 session_t *session = 0;
2576 return VPPCOM_EINVAL;
2578 VCL_LOCK_AND_GET_SESSION (session_index, &session);
2580 if (session->is_vep)
2582 clib_spinlock_unlock (&vcm->sessions_lockp);
2583 clib_warning ("VCL<%d>: ERROR: sid %u: cannot "
2584 "bind to an epoll session!", getpid (), session_index);
2589 session->lcl_addr.is_ip4 = ep->is_ip4;
2590 session->lcl_addr.ip46 = to_ip46 (!ep->is_ip4, ep->ip);
2591 session->lcl_port = ep->port;
2593 if (VPPCOM_DEBUG > 0)
2594 clib_warning ("VCL<%d>: sid %u: binding to local %s address %U "
2595 "port %u, proto %s", getpid (), session_index,
2596 session->lcl_addr.is_ip4 ? "IPv4" : "IPv6",
2597 format_ip46_address, &session->lcl_addr.ip46,
2598 session->lcl_addr.is_ip4,
2599 clib_net_to_host_u16 (session->lcl_port),
2600 session->proto ? "UDP" : "TCP");
2602 if (VPPCOM_DEBUG > 0)
2604 if (session->lcl_addr.is_ip4)
2607 ELOG_TYPE_DECLARE (e) =
2609 .format = "bind local:%s:%d.%d.%d.%d:%d ",
2610 .format_args = "t1i1i1i1i1i2",
2611 .n_enum_strings = 2,
2612 .enum_strings = {"TCP", "UDP",},
2615 CLIB_PACKED (struct {
2621 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
2622 ed->proto = session->proto;
2623 ed->addr[0] = session->lcl_addr.ip46.ip4.as_u8[0];
2624 ed->addr[1] = session->lcl_addr.ip46.ip4.as_u8[1];
2625 ed->addr[2] = session->lcl_addr.ip46.ip4.as_u8[2];
2626 ed->addr[3] = session->lcl_addr.ip46.ip4.as_u8[3];
2627 ed->port = clib_net_to_host_u16 (session->lcl_port);
2632 clib_spinlock_unlock (&vcm->sessions_lockp);
2638 vppcom_session_listen (uint32_t listen_session_index, uint32_t q_len)
2640 session_t *listen_session = 0;
2641 u64 listen_vpp_handle;
2644 if (q_len == 0 || q_len == ~0)
2645 q_len = vcm->cfg.listen_queue_size;
2647 VCL_LOCK_AND_GET_SESSION (listen_session_index, &listen_session);
2649 if (listen_session->is_vep)
2651 clib_spinlock_unlock (&vcm->sessions_lockp);
2652 clib_warning ("VCL<%d>: ERROR: sid %u: cannot listen on an "
2653 "epoll session!", getpid (), listen_session_index);
2658 listen_vpp_handle = listen_session->vpp_handle;
2659 if (listen_session->state & STATE_LISTEN)
2661 clib_spinlock_unlock (&vcm->sessions_lockp);
2662 if (VPPCOM_DEBUG > 0)
2663 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
2664 "already in listen state!",
2665 getpid (), listen_vpp_handle, listen_session_index);
2670 if (VPPCOM_DEBUG > 0)
2671 clib_warning ("VCL<%d>: vpp handle 0x%llx, "
2672 "sid %u: sending bind request...",
2673 getpid (), listen_vpp_handle, listen_session_index);
2675 vppcom_send_bind_sock (listen_session, listen_session_index);
2676 clib_spinlock_unlock (&vcm->sessions_lockp);
2678 vppcom_wait_for_session_state_change (listen_session_index, STATE_LISTEN,
2679 vcm->cfg.session_timeout);
2681 VCL_LOCK_AND_GET_SESSION (listen_session_index, &listen_session);
2682 if (PREDICT_FALSE (retval))
2684 if (VPPCOM_DEBUG > 0)
2685 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: bind failed! "
2686 "returning %d (%s)", getpid (),
2687 listen_session->vpp_handle, listen_session_index,
2688 retval, vppcom_retval_str (retval));
2689 clib_spinlock_unlock (&vcm->sessions_lockp);
2694 clib_fifo_validate (vcm->client_session_index_fifo, q_len);
2695 clib_spinlock_unlock (&vcm->sessions_lockp);
2701 validate_args_session_accept_ (session_t * listen_session)
2703 u32 listen_session_index = listen_session - vcm->sessions;
2705 /* Input validation - expects spinlock on sessions_lockp */
2706 if (listen_session->is_vep)
2708 clib_warning ("VCL<%d>: ERROR: sid %u: cannot accept on an "
2709 "epoll session!", getpid (), listen_session_index);
2710 return VPPCOM_EBADFD;
2713 if (listen_session->state != STATE_LISTEN)
2715 clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: "
2716 "not in listen state! state 0x%x (%s)", getpid (),
2717 listen_session->vpp_handle, listen_session_index,
2718 listen_session->state,
2719 vppcom_session_state_str (listen_session->state));
2720 return VPPCOM_EBADFD;
2726 vppcom_session_accept (uint32_t listen_session_index, vppcom_endpt_t * ep,
2729 session_t *listen_session = 0;
2730 session_t *client_session = 0;
2731 u32 client_session_index = ~0;
2733 u64 listen_vpp_handle;
2734 vce_event_handler_reg_t *reg;
2736 vce_event_connect_request_t *result;
2739 int millisecond_timeout = 1;
2740 int hours_timeout = 20 * 60 * 60;
2742 VCL_LOCK_AND_GET_SESSION (listen_session_index, &listen_session);
2743 listen_vpp_handle = listen_session->vpp_handle; // For debugging
2745 rv = validate_args_session_accept_ (listen_session);
2748 clib_spinlock_unlock (&vcm->sessions_lockp);
2752 /* Using an aggressive timer of 1ms and a generous timer of
2753 * 20 hours, we can implement a blocking and non-blocking listener
2754 * as both event and time driven */
2755 gettimeofday (&tv, NULL);
2756 ts.tv_nsec = (tv.tv_usec * 1000) + (1000 * millisecond_timeout);
2757 ts.tv_sec = tv.tv_sec;
2759 /* Predict that the Listener is blocking more often than not */
2760 if (PREDICT_TRUE (!VCL_SESS_ATTR_TEST (listen_session->attr,
2761 VCL_SESS_ATTR_NONBLOCK)))
2762 ts.tv_sec += hours_timeout;
2764 clib_spinlock_unlock (&vcm->sessions_lockp);
2766 /* Register handler for connect_request event on listen_session_index */
2767 vce_event_key_t evk;
2768 evk.session_index = listen_session_index;
2769 evk.eid = VCL_EVENT_CONNECT_REQ_ACCEPTED;
2770 reg = vce_register_handler (&vcm->event_thread, &evk,
2771 vce_connect_request_handler_fn);
2772 ev = vce_get_event_from_index (&vcm->event_thread, reg->ev_idx);
2774 result = (vce_event_connect_request_t *) ev->data;
2775 pthread_mutex_lock (®->handler_lock);
2776 while (!result->handled)
2779 pthread_cond_timedwait (®->handler_cond, ®->handler_lock, &ts);
2780 if (rv == ETIMEDOUT)
2786 client_session_index = result->accepted_session_index;
2790 /* Remove from the FIFO used to service epoll */
2791 clib_spinlock_lock (&vcm->sessions_lockp);
2792 if (clib_fifo_elts (vcm->client_session_index_fifo))
2794 u32 tmp_client_session_index;
2795 clib_fifo_sub1 (vcm->client_session_index_fifo,
2796 tmp_client_session_index);
2797 if (tmp_client_session_index != client_session_index)
2798 clib_fifo_add1 (vcm->client_session_index_fifo,
2799 tmp_client_session_index);
2801 clib_spinlock_unlock (&vcm->sessions_lockp);
2803 rv = vppcom_session_at_index (client_session_index, &client_session);
2804 if (PREDICT_FALSE (rv))
2806 rv = VPPCOM_ECONNABORTED;
2807 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: client sid %u "
2808 "lookup failed! returning %d (%s)", getpid (),
2809 listen_vpp_handle, listen_session_index,
2810 client_session_index, rv, vppcom_retval_str (rv));
2814 if (flags & O_NONBLOCK)
2815 VCL_SESS_ATTR_SET (client_session->attr, VCL_SESS_ATTR_NONBLOCK);
2817 VCL_SESS_ATTR_CLR (client_session->attr, VCL_SESS_ATTR_NONBLOCK);
2819 if (VPPCOM_DEBUG > 0)
2820 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: Got a client request! "
2821 "vpp handle 0x%llx, sid %u, flags %d, is_nonblocking %u",
2822 getpid (), listen_vpp_handle, listen_session_index,
2823 client_session->vpp_handle, client_session_index,
2824 flags, VCL_SESS_ATTR_TEST (client_session->attr,
2825 VCL_SESS_ATTR_NONBLOCK));
2829 ep->is_ip4 = client_session->peer_addr.is_ip4;
2830 ep->port = client_session->peer_port;
2831 if (client_session->peer_addr.is_ip4)
2832 clib_memcpy (ep->ip, &client_session->peer_addr.ip46.ip4,
2833 sizeof (ip4_address_t));
2835 clib_memcpy (ep->ip, &client_session->peer_addr.ip46.ip6,
2836 sizeof (ip6_address_t));
2839 vppcom_send_accept_session_reply (client_session->vpp_handle,
2840 client_session->client_context,
2841 0 /* retval OK */ );
2843 if (VPPCOM_DEBUG > 0)
2844 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: accepted vpp handle "
2845 "0x%llx, sid %u connection to local %s address "
2846 "%U port %u", getpid (), listen_vpp_handle,
2847 listen_session_index, client_session->vpp_handle,
2848 client_session_index,
2849 client_session->lcl_addr.is_ip4 ? "IPv4" : "IPv6",
2850 format_ip46_address, &client_session->lcl_addr.ip46,
2851 client_session->lcl_addr.is_ip4,
2852 clib_net_to_host_u16 (client_session->lcl_port));
2854 if (VPPCOM_DEBUG > 0)
2856 client_session->elog_track.name =
2857 (char *) format (0, "C:%d:S:%d%c", vcm->my_client_index,
2858 client_session_index, 0);
2859 elog_track_register (&vcm->elog_main, &client_session->elog_track);
2861 // Two elog entries due to 20-byte per entry constraint.
2863 ELOG_TYPE_DECLARE (e) =
2865 .format = "accept: listen_handle:%x from_handle:%x",
2866 .format_args = "i8i8",
2874 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, client_session->elog_track);
2875 ed->handle[0] = listen_vpp_handle;
2876 ed->handle[1] = client_session->vpp_handle;
2879 if (client_session->lcl_addr.is_ip4)
2882 ELOG_TYPE_DECLARE (e2) =
2884 .format = "accept: S:%d %d.%d.%d.%d:%d ",
2885 .format_args = "i4i1i1i1i1i2",
2888 CLIB_PACKED (struct {
2895 ELOG_TRACK_DATA (&vcm->elog_main, e2, client_session->elog_track);
2896 ed2->session = client_session_index;
2897 ed2->addr[0] = client_session->lcl_addr.ip46.ip4.as_u8[0];
2898 ed2->addr[1] = client_session->lcl_addr.ip46.ip4.as_u8[1];
2899 ed2->addr[2] = client_session->lcl_addr.ip46.ip4.as_u8[2];
2900 ed2->addr[3] = client_session->lcl_addr.ip46.ip4.as_u8[3];
2901 ed2->port = clib_net_to_host_u16 (client_session->lcl_port);
2906 clib_spinlock_unlock (&vcm->sessions_lockp);
2907 rv = (int) client_session_index;
2909 vce_clear_event (&vcm->event_thread, ev);
2911 vce_unregister_handler (&vcm->event_thread, ev);
2912 pthread_mutex_unlock (®->handler_lock);
2918 vppcom_session_connect (uint32_t session_index, vppcom_endpt_t * server_ep)
2920 session_t *session = 0;
2922 int rv, retval = VPPCOM_OK;
2924 VCL_LOCK_AND_GET_SESSION (session_index, &session);
2926 if (PREDICT_FALSE (session->is_vep))
2928 clib_spinlock_unlock (&vcm->sessions_lockp);
2929 clib_warning ("VCL<%d>: ERROR: sid %u: cannot "
2930 "connect on an epoll session!", getpid (), session_index);
2935 if (PREDICT_FALSE (session->state & CLIENT_STATE_OPEN))
2937 if (VPPCOM_DEBUG > 0)
2938 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: session already "
2939 "connected to %s %U port %d proto %s, state 0x%x (%s)",
2940 getpid (), session->vpp_handle, session_index,
2941 session->peer_addr.is_ip4 ? "IPv4" : "IPv6",
2942 format_ip46_address,
2943 &session->peer_addr.ip46, session->peer_addr.is_ip4,
2944 clib_net_to_host_u16 (session->peer_port),
2945 session->proto ? "UDP" : "TCP", session->state,
2946 vppcom_session_state_str (session->state));
2948 clib_spinlock_unlock (&vcm->sessions_lockp);
2952 session->peer_addr.is_ip4 = server_ep->is_ip4;
2953 session->peer_addr.ip46 = to_ip46 (!server_ep->is_ip4, server_ep->ip);
2954 session->peer_port = server_ep->port;
2956 if (VPPCOM_DEBUG > 0)
2957 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: connecting to server "
2958 "%s %U port %d proto %s",
2959 getpid (), session->vpp_handle, session_index,
2960 session->peer_addr.is_ip4 ? "IPv4" : "IPv6",
2961 format_ip46_address,
2962 &session->peer_addr.ip46, session->peer_addr.is_ip4,
2963 clib_net_to_host_u16 (session->peer_port),
2964 session->proto ? "UDP" : "TCP");
2966 vppcom_send_connect_sock (session, session_index);
2967 clib_spinlock_unlock (&vcm->sessions_lockp);
2970 vppcom_wait_for_session_state_change (session_index, STATE_CONNECT,
2971 vcm->cfg.session_timeout);
2973 VCL_LOCK_AND_GET_SESSION (session_index, &session);
2974 vpp_handle = session->vpp_handle;
2975 clib_spinlock_unlock (&vcm->sessions_lockp);
2978 if (PREDICT_FALSE (retval))
2981 if (VPPCOM_DEBUG > 0)
2985 ("VCL<%d>: vpp handle 0x%llx, sid %u: connect failed! "
2986 "returning %d (%s)", getpid (), vpp_handle,
2987 session_index, rv, vppcom_retval_str (rv));
2989 clib_warning ("VCL<%d>: no session for sid %u: connect failed! "
2990 "returning %d (%s)", getpid (),
2991 session_index, rv, vppcom_retval_str (rv));
2994 else if (VPPCOM_DEBUG > 0)
2995 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: connected!",
2996 getpid (), vpp_handle, session_index);
3002 vppcom_session_read_internal (uint32_t session_index, void *buf, int n,
3005 session_t *session = 0;
3006 svm_fifo_t *rx_fifo;
3013 session_state_t state;
3017 VCL_LOCK_AND_GET_SESSION (session_index, &session);
3019 is_nonblocking = VCL_SESS_ATTR_TEST (session->attr, VCL_SESS_ATTR_NONBLOCK);
3020 rx_fifo = session->rx_fifo;
3021 state = session->state;
3022 vpp_handle = session->vpp_handle;
3024 if (PREDICT_FALSE (session->is_vep))
3026 clib_spinlock_unlock (&vcm->sessions_lockp);
3027 clib_warning ("VCL<%d>: ERROR: sid %u: cannot "
3028 "read from an epoll session!", getpid (), session_index);
3033 if (PREDICT_FALSE (!(state & (SERVER_STATE_OPEN | CLIENT_STATE_OPEN))))
3035 clib_spinlock_unlock (&vcm->sessions_lockp);
3036 rv = ((state & STATE_DISCONNECT) ? VPPCOM_ECONNRESET : VPPCOM_ENOTCONN);
3038 if (VPPCOM_DEBUG > 0)
3039 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: %s session is "
3040 "not open! state 0x%x (%s), returning %d (%s)",
3041 getpid (), vpp_handle, session_index, state,
3042 vppcom_session_state_str (state),
3043 rv, vppcom_retval_str (rv));
3047 clib_spinlock_unlock (&vcm->sessions_lockp);
3052 n_read = svm_fifo_peek (rx_fifo, 0, n, buf);
3054 n_read = svm_fifo_dequeue_nowait (rx_fifo, n, buf);
3056 while (!is_nonblocking && (n_read <= 0));
3060 VCL_LOCK_AND_GET_SESSION (session_index, &session);
3062 poll_et = (((EPOLLET | EPOLLIN) & session->vep.ev.events) ==
3063 (EPOLLET | EPOLLIN));
3065 session->vep.et_mask |= EPOLLIN;
3067 if (state & STATE_CLOSE_ON_EMPTY)
3069 rv = VPPCOM_ECONNRESET;
3071 if (VPPCOM_DEBUG > 1)
3073 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: Empty fifo "
3074 "with session state 0x%x (%s)!"
3075 " Setting state to 0x%x (%s), returning %d (%s)",
3076 getpid (), session->vpp_handle, session_index,
3077 state, vppcom_session_state_str (state),
3079 vppcom_session_state_str (STATE_DISCONNECT), rv,
3080 vppcom_retval_str (rv));
3083 session->state = STATE_DISCONNECT;
3088 clib_spinlock_unlock (&vcm->sessions_lockp);
3093 if (VPPCOM_DEBUG > 2)
3096 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: read %d bytes "
3097 "from (%p)", getpid (), vpp_handle,
3098 session_index, n_read, rx_fifo);
3100 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: nothing read! "
3101 "returning %d (%s)", getpid (), vpp_handle,
3102 session_index, rv, vppcom_retval_str (rv));
3109 vppcom_session_read (uint32_t session_index, void *buf, size_t n)
3111 return (vppcom_session_read_internal (session_index, buf, n, 0));
3115 vppcom_session_peek (uint32_t session_index, void *buf, int n)
3117 return (vppcom_session_read_internal (session_index, buf, n, 1));
3121 vppcom_session_read_ready (session_t * session, u32 session_index)
3126 session_state_t state = session->state;
3127 u64 vpp_handle = session->vpp_handle;
3129 /* Assumes caller has acquired spinlock: vcm->sessions_lockp */
3130 if (PREDICT_FALSE (session->is_vep))
3132 clib_warning ("VCL<%d>: ERROR: sid %u: cannot read from an "
3133 "epoll session!", getpid (), session_index);
3138 if (session->state & STATE_LISTEN)
3140 ready = clib_fifo_elts (vcm->client_session_index_fifo);
3144 if (!(state & (SERVER_STATE_OPEN | CLIENT_STATE_OPEN | STATE_LISTEN)))
3146 rv = ((state & STATE_DISCONNECT) ? VPPCOM_ECONNRESET :
3149 if (VPPCOM_DEBUG > 1)
3150 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: session is "
3151 "not open! state 0x%x (%s), returning %d (%s)",
3152 getpid (), vpp_handle, session_index,
3153 state, vppcom_session_state_str (state),
3154 rv, vppcom_retval_str (rv));
3158 ready = svm_fifo_max_dequeue (session->rx_fifo);
3164 ((EPOLLET | EPOLLIN) & session->vep.ev.events) == (EPOLLET | EPOLLIN);
3166 session->vep.et_mask |= EPOLLIN;
3168 if (state & STATE_CLOSE_ON_EMPTY)
3170 rv = VPPCOM_ECONNRESET;
3172 if (VPPCOM_DEBUG > 1)
3174 clib_warning ("VCL<%d>: vpp handle 0x%llx, "
3175 "sid %u: Empty fifo with"
3176 " session state 0x%x (%s)! Setting state to "
3177 "0x%x (%s), returning %d (%s)",
3178 getpid (), session_index, vpp_handle,
3179 state, vppcom_session_state_str (state),
3181 vppcom_session_state_str (STATE_DISCONNECT), rv,
3182 vppcom_retval_str (rv));
3184 session->state = STATE_DISCONNECT;
3190 if (vcm->app_event_queue->cursize &&
3191 !pthread_mutex_trylock (&vcm->app_event_queue->mutex))
3193 u32 i, n_to_dequeue = vcm->app_event_queue->cursize;
3194 session_fifo_event_t e;
3196 for (i = 0; i < n_to_dequeue; i++)
3197 svm_queue_sub_raw (vcm->app_event_queue, (u8 *) & e);
3199 pthread_mutex_unlock (&vcm->app_event_queue->mutex);
3206 vppcom_session_write (uint32_t session_index, void *buf, size_t n)
3208 session_t *session = 0;
3209 svm_fifo_t *tx_fifo = 0;
3211 session_fifo_event_t evt;
3212 session_state_t state;
3213 int rv, n_write, is_nonblocking;
3219 VCL_LOCK_AND_GET_SESSION (session_index, &session);
3221 tx_fifo = session->tx_fifo;
3222 is_nonblocking = VCL_SESS_ATTR_TEST (session->attr, VCL_SESS_ATTR_NONBLOCK);
3223 vpp_handle = session->vpp_handle;
3224 state = session->state;
3226 if (PREDICT_FALSE (session->is_vep))
3228 clib_spinlock_unlock (&vcm->sessions_lockp);
3229 clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: "
3230 "cannot write to an epoll session!",
3231 getpid (), vpp_handle, session_index);
3237 if (!(session->state & (SERVER_STATE_OPEN | CLIENT_STATE_OPEN)))
3240 ((session->state & STATE_DISCONNECT) ? VPPCOM_ECONNRESET :
3243 clib_spinlock_unlock (&vcm->sessions_lockp);
3244 if (VPPCOM_DEBUG > 1)
3245 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
3246 "session is not open! state 0x%x (%s)",
3247 getpid (), vpp_handle, session_index,
3248 state, vppcom_session_state_str (state));
3252 clib_spinlock_unlock (&vcm->sessions_lockp);
3256 n_write = svm_fifo_enqueue_nowait (tx_fifo, n, (void *) buf);
3258 while (!is_nonblocking && (n_write <= 0));
3260 /* If event wasn't set, add one */
3261 if ((n_write > 0) && svm_fifo_set_event (tx_fifo))
3263 /* Fabricate TX event, send to vpp */
3265 evt.event_type = FIFO_EVENT_APP_TX;
3267 VCL_LOCK_AND_GET_SESSION (session_index, &session);
3268 q = session->vpp_event_queue;
3270 svm_queue_add (q, (u8 *) & evt, 0 /* do wait for mutex */ );
3271 clib_spinlock_unlock (&vcm->sessions_lockp);
3272 if (VPPCOM_DEBUG > 1)
3273 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
3274 "added FIFO_EVENT_APP_TX to "
3275 "vpp_event_q %p, n_write %d", getpid (),
3276 vpp_handle, session_index, q, n_write);
3281 VCL_LOCK_AND_GET_SESSION (session_index, &session);
3283 poll_et = (((EPOLLET | EPOLLOUT) & session->vep.ev.events) ==
3284 (EPOLLET | EPOLLOUT));
3286 session->vep.et_mask |= EPOLLOUT;
3288 if (session->state & STATE_CLOSE_ON_EMPTY)
3290 rv = VPPCOM_ECONNRESET;
3292 if (VPPCOM_DEBUG > 1)
3294 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
3295 "Empty fifo with session state 0x%x (%s)!"
3296 " Setting state to 0x%x (%s), returning %d (%s)",
3297 getpid (), session->vpp_handle, session_index,
3299 vppcom_session_state_str (session->state),
3301 vppcom_session_state_str (STATE_DISCONNECT), rv,
3302 vppcom_retval_str (rv));
3305 session->state = STATE_DISCONNECT;
3310 clib_spinlock_unlock (&vcm->sessions_lockp);
3315 if (VPPCOM_DEBUG > 2)
3318 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
3319 "FIFO-FULL (%p)", getpid (), vpp_handle,
3320 session_index, tx_fifo);
3322 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
3323 "wrote %d bytes tx-fifo: (%p)", getpid (),
3324 vpp_handle, session_index, n_write, tx_fifo);
3331 vppcom_session_write_ready (session_t * session, u32 session_index)
3339 /* Assumes caller has acquired spinlock: vcm->sessions_lockp */
3340 if (PREDICT_FALSE (session->is_vep))
3342 clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: "
3343 "cannot write to an epoll session!",
3344 getpid (), session->vpp_handle, session_index);
3349 if (PREDICT_FALSE (session->state & STATE_LISTEN))
3351 clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: "
3352 "cannot write to a listen session!",
3353 getpid (), session->vpp_handle, session_index);
3358 if (!(session->state & (SERVER_STATE_OPEN | CLIENT_STATE_OPEN)))
3360 session_state_t state = session->state;
3362 rv = ((state & STATE_DISCONNECT) ? VPPCOM_ECONNRESET : VPPCOM_ENOTCONN);
3364 clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: "
3365 "session is not open! state 0x%x (%s), "
3366 "returning %d (%s)", getpid (), session->vpp_handle,
3368 state, vppcom_session_state_str (state),
3369 rv, vppcom_retval_str (rv));
3373 ready = svm_fifo_max_enqueue (session->tx_fifo);
3375 if (VPPCOM_DEBUG > 3)
3376 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
3377 "peek %s (%p), ready = %d", getpid (),
3378 session->vpp_handle, session_index,
3379 session->tx_fifo, ready);
3383 poll_et = (((EPOLLET | EPOLLOUT) & session->vep.ev.events) ==
3384 (EPOLLET | EPOLLOUT));
3386 session->vep.et_mask |= EPOLLOUT;
3388 if (session->state & STATE_CLOSE_ON_EMPTY)
3390 rv = VPPCOM_ECONNRESET;
3392 if (VPPCOM_DEBUG > 1)
3394 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
3395 "Empty fifo with session "
3396 "state 0x%x (%s)! Setting state to 0x%x (%s), "
3397 "returning %d (%s)", getpid (),
3398 session->vpp_handle, session_index,
3400 vppcom_session_state_str (session->state),
3402 vppcom_session_state_str (STATE_DISCONNECT), rv,
3403 vppcom_retval_str (rv));
3405 session->state = STATE_DISCONNECT;
3415 vppcom_select (unsigned long n_bits, unsigned long *read_map,
3416 unsigned long *write_map, unsigned long *except_map,
3417 double time_to_wait)
3420 session_t *session = 0;
3421 int rv, bits_set = 0;
3422 f64 timeout = clib_time_now (&vcm->clib_time) + time_to_wait;
3423 u32 minbits = clib_max (n_bits, BITS (uword));
3425 ASSERT (sizeof (clib_bitmap_t) == sizeof (long int));
3427 if (n_bits && read_map)
3429 clib_bitmap_validate (vcm->rd_bitmap, minbits);
3430 clib_memcpy (vcm->rd_bitmap, read_map,
3431 vec_len (vcm->rd_bitmap) * sizeof (clib_bitmap_t));
3432 memset (read_map, 0, vec_len (vcm->rd_bitmap) * sizeof (clib_bitmap_t));
3434 if (n_bits && write_map)
3436 clib_bitmap_validate (vcm->wr_bitmap, minbits);
3437 clib_memcpy (vcm->wr_bitmap, write_map,
3438 vec_len (vcm->wr_bitmap) * sizeof (clib_bitmap_t));
3439 memset (write_map, 0,
3440 vec_len (vcm->wr_bitmap) * sizeof (clib_bitmap_t));
3442 if (n_bits && except_map)
3444 clib_bitmap_validate (vcm->ex_bitmap, minbits);
3445 clib_memcpy (vcm->ex_bitmap, except_map,
3446 vec_len (vcm->ex_bitmap) * sizeof (clib_bitmap_t));
3447 memset (except_map, 0,
3448 vec_len (vcm->ex_bitmap) * sizeof (clib_bitmap_t));
3458 clib_bitmap_foreach (session_index, vcm->rd_bitmap,
3460 clib_spinlock_lock (&vcm->sessions_lockp);
3461 rv = vppcom_session_at_index (session_index, &session);
3464 clib_spinlock_unlock (&vcm->sessions_lockp);
3465 if (VPPCOM_DEBUG > 1)
3466 clib_warning ("VCL<%d>: session %d specified in "
3467 "read_map is closed.", getpid (),
3469 bits_set = VPPCOM_EBADFD;
3473 rv = vppcom_session_read_ready (session, session_index);
3474 clib_spinlock_unlock (&vcm->sessions_lockp);
3475 if (except_map && vcm->ex_bitmap &&
3476 clib_bitmap_get (vcm->ex_bitmap, session_index) &&
3479 clib_bitmap_set_no_check (except_map, session_index, 1);
3484 clib_bitmap_set_no_check (read_map, session_index, 1);
3492 clib_bitmap_foreach (session_index, vcm->wr_bitmap,
3494 clib_spinlock_lock (&vcm->sessions_lockp);
3495 rv = vppcom_session_at_index (session_index, &session);
3498 clib_spinlock_unlock (&vcm->sessions_lockp);
3499 if (VPPCOM_DEBUG > 0)
3500 clib_warning ("VCL<%d>: session %d specified in "
3501 "write_map is closed.", getpid (),
3503 bits_set = VPPCOM_EBADFD;
3507 rv = vppcom_session_write_ready (session, session_index);
3508 clib_spinlock_unlock (&vcm->sessions_lockp);
3509 if (write_map && (rv > 0))
3511 clib_bitmap_set_no_check (write_map, session_index, 1);
3519 clib_bitmap_foreach (session_index, vcm->ex_bitmap,
3521 clib_spinlock_lock (&vcm->sessions_lockp);
3522 rv = vppcom_session_at_index (session_index, &session);
3525 clib_spinlock_unlock (&vcm->sessions_lockp);
3526 if (VPPCOM_DEBUG > 1)
3527 clib_warning ("VCL<%d>: session %d specified in "
3528 "except_map is closed.", getpid (),
3530 bits_set = VPPCOM_EBADFD;
3534 rv = vppcom_session_read_ready (session, session_index);
3535 clib_spinlock_unlock (&vcm->sessions_lockp);
3538 clib_bitmap_set_no_check (except_map, session_index, 1);
3546 while ((time_to_wait == -1) || (clib_time_now (&vcm->clib_time) < timeout));
3553 vep_verify_epoll_chain (u32 vep_idx)
3556 vppcom_epoll_t *vep;
3560 if (VPPCOM_DEBUG <= 1)
3563 /* Assumes caller has acquired spinlock: vcm->sessions_lockp */
3564 rv = vppcom_session_at_index (vep_idx, &session);
3565 if (PREDICT_FALSE (rv))
3567 clib_warning ("VCL<%d>: ERROR: Invalid vep_idx (%u)!",
3568 getpid (), vep_idx);
3571 if (PREDICT_FALSE (!session->is_vep))
3573 clib_warning ("VCL<%d>: ERROR: vep_idx (%u) is not a vep!",
3574 getpid (), vep_idx);
3577 vep = &session->vep;
3578 clib_warning ("VCL<%d>: vep_idx (%u): Dumping epoll chain\n"
3581 " is_vep_session = %u\n"
3582 " next_sid = 0x%x (%u)\n"
3583 " wait_cont_idx = 0x%x (%u)\n"
3584 "}\n", getpid (), vep_idx,
3585 session->is_vep, session->is_vep_session,
3586 vep->next_sid, vep->next_sid,
3587 session->wait_cont_idx, session->wait_cont_idx);
3589 for (sid = vep->next_sid; sid != ~0; sid = vep->next_sid)
3591 rv = vppcom_session_at_index (sid, &session);
3592 if (PREDICT_FALSE (rv))
3594 clib_warning ("VCL<%d>: ERROR: Invalid sid (%u)!", getpid (), sid);
3597 if (PREDICT_FALSE (session->is_vep))
3598 clib_warning ("VCL<%d>: ERROR: sid (%u) is a vep!",
3599 getpid (), vep_idx);
3600 else if (PREDICT_FALSE (!session->is_vep_session))
3602 clib_warning ("VCL<%d>: ERROR: session (%u) "
3603 "is not a vep session!", getpid (), sid);
3606 vep = &session->vep;
3607 if (PREDICT_FALSE (vep->vep_idx != vep_idx))
3608 clib_warning ("VCL<%d>: ERROR: session (%u) vep_idx (%u) != "
3609 "vep_idx (%u)!", getpid (),
3610 sid, session->vep.vep_idx, vep_idx);
3611 if (session->is_vep_session)
3613 clib_warning ("vep_idx[%u]: sid 0x%x (%u)\n"
3615 " next_sid = 0x%x (%u)\n"
3616 " prev_sid = 0x%x (%u)\n"
3617 " vep_idx = 0x%x (%u)\n"
3618 " ev.events = 0x%x\n"
3619 " ev.data.u64 = 0x%llx\n"
3623 vep->next_sid, vep->next_sid,
3624 vep->prev_sid, vep->prev_sid,
3625 vep->vep_idx, vep->vep_idx,
3626 vep->ev.events, vep->ev.data.u64, vep->et_mask);
3631 clib_warning ("VCL<%d>: vep_idx (%u): Dump complete!\n",
3632 getpid (), vep_idx);
3636 vppcom_epoll_create (void)
3638 session_t *vep_session;
3640 elog_track_t vep_elog_track;
3642 clib_spinlock_lock (&vcm->sessions_lockp);
3643 pool_get (vcm->sessions, vep_session);
3644 memset (vep_session, 0, sizeof (*vep_session));
3645 vep_idx = vep_session - vcm->sessions;
3647 vep_session->is_vep = 1;
3648 vep_session->vep.vep_idx = ~0;
3649 vep_session->vep.next_sid = ~0;
3650 vep_session->vep.prev_sid = ~0;
3651 vep_session->wait_cont_idx = ~0;
3652 vep_session->vpp_handle = ~0;
3653 vep_session->poll_reg = 0;
3655 if (VPPCOM_DEBUG > 0)
3657 vep_session->elog_track.name =
3658 (char *) format (0, "C:%d:VEP:%d%c", vcm->my_client_index,
3660 elog_track_register (&vcm->elog_main, &vep_session->elog_track);
3661 vep_elog_track = vep_session->elog_track;
3664 clib_spinlock_unlock (&vcm->sessions_lockp);
3666 if (VPPCOM_DEBUG > 0)
3667 clib_warning ("VCL<%d>: Created vep_idx %u / sid %u!",
3668 getpid (), vep_idx, vep_idx);
3670 if (VPPCOM_DEBUG > 0)
3674 ELOG_TYPE_DECLARE (e) =
3676 .format = "created epoll session:%d",
3677 .format_args = "i4",
3685 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, vep_elog_track);
3694 vppcom_epoll_ctl (uint32_t vep_idx, int op, uint32_t session_index,
3695 struct epoll_event *event)
3697 session_t *vep_session;
3699 vce_event_t *ev = 0;
3702 if (vep_idx == session_index)
3704 clib_warning ("VCL<%d>: ERROR: vep_idx == session_index (%u)!",
3705 getpid (), vep_idx);
3706 return VPPCOM_EINVAL;
3709 clib_spinlock_lock (&vcm->sessions_lockp);
3710 rv = vppcom_session_at_index (vep_idx, &vep_session);
3711 if (PREDICT_FALSE (rv))
3713 clib_warning ("VCL<%d>: ERROR: Invalid vep_idx (%u)!", vep_idx);
3716 if (PREDICT_FALSE (!vep_session->is_vep))
3718 clib_warning ("VCL<%d>: ERROR: vep_idx (%u) is not a vep!",
3719 getpid (), vep_idx);
3724 ASSERT (vep_session->vep.vep_idx == ~0);
3725 ASSERT (vep_session->vep.prev_sid == ~0);
3727 rv = vppcom_session_at_index (session_index, &session);
3728 if (PREDICT_FALSE (rv))
3730 if (VPPCOM_DEBUG > 0)
3731 clib_warning ("VCL<%d>: ERROR: Invalid session_index (%u)!",
3732 getpid (), session_index);
3735 if (PREDICT_FALSE (session->is_vep))
3737 clib_warning ("ERROR: session_index (%u) is a vep!", vep_idx);
3745 if (PREDICT_FALSE (!event))
3747 clib_warning ("VCL<%d>: ERROR: EPOLL_CTL_ADD: NULL pointer to "
3748 "epoll_event structure!", getpid ());
3752 if (vep_session->vep.next_sid != ~0)
3754 session_t *next_session;
3755 rv = vppcom_session_at_index (vep_session->vep.next_sid,
3757 if (PREDICT_FALSE (rv))
3759 clib_warning ("VCL<%d>: ERROR: EPOLL_CTL_ADD: Invalid "
3760 "vep.next_sid (%u) on vep_idx (%u)!",
3761 getpid (), vep_session->vep.next_sid, vep_idx);
3764 ASSERT (next_session->vep.prev_sid == vep_idx);
3765 next_session->vep.prev_sid = session_index;
3767 session->vep.next_sid = vep_session->vep.next_sid;
3768 session->vep.prev_sid = vep_idx;
3769 session->vep.vep_idx = vep_idx;
3770 session->vep.et_mask = VEP_DEFAULT_ET_MASK;
3771 session->vep.ev = *event;
3772 session->is_vep = 0;
3773 session->is_vep_session = 1;
3774 vep_session->vep.next_sid = session_index;
3776 /* VCL Event Register handler */
3777 if (session->state & STATE_LISTEN)
3779 /* Register handler for connect_request event on listen_session_index */
3780 vce_event_key_t evk;
3781 evk.session_index = session_index;
3782 evk.eid = VCL_EVENT_CONNECT_REQ_ACCEPTED;
3783 vep_session->poll_reg =
3784 vce_register_handler (&vcm->event_thread, &evk,
3785 vce_epoll_wait_connect_request_handler_fn);
3787 if (VPPCOM_DEBUG > 1)
3788 clib_warning ("VCL<%d>: EPOLL_CTL_ADD: vep_idx %u, "
3789 "sid %u, events 0x%x, data 0x%llx!",
3790 getpid (), vep_idx, session_index,
3791 event->events, event->data.u64);
3792 if (VPPCOM_DEBUG > 0)
3795 ELOG_TYPE_DECLARE (e) =
3797 .format = "epoll_ctladd: events:%x data:%x",
3798 .format_args = "i4i4i8",
3806 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
3808 ed->events = event->events;
3809 ed->event_data = event->data.u64;
3815 if (PREDICT_FALSE (!event))
3817 clib_warning ("VCL<%d>: ERROR: EPOLL_CTL_MOD: NULL pointer to "
3818 "epoll_event structure!", getpid ());
3822 else if (PREDICT_FALSE (!session->is_vep_session))
3824 clib_warning ("VCL<%d>: ERROR: sid %u EPOLL_CTL_MOD: "
3825 "not a vep session!", getpid (), session_index);
3829 else if (PREDICT_FALSE (session->vep.vep_idx != vep_idx))
3831 clib_warning ("VCL<%d>: ERROR: sid %u EPOLL_CTL_MOD: "
3832 "vep_idx (%u) != vep_idx (%u)!",
3833 getpid (), session_index,
3834 session->vep.vep_idx, vep_idx);
3838 session->vep.et_mask = VEP_DEFAULT_ET_MASK;
3839 session->vep.ev = *event;
3840 if (VPPCOM_DEBUG > 1)
3842 ("VCL<%d>: EPOLL_CTL_MOD: vep_idx %u, sid %u, events 0x%x,"
3843 " data 0x%llx!", getpid (), vep_idx, session_index, event->events,
3848 if (PREDICT_FALSE (!session->is_vep_session))
3850 clib_warning ("VCL<%d>: ERROR: sid %u EPOLL_CTL_DEL: "
3851 "not a vep session!", getpid (), session_index);
3855 else if (PREDICT_FALSE (session->vep.vep_idx != vep_idx))
3857 clib_warning ("VCL<%d>: ERROR: sid %u EPOLL_CTL_DEL: "
3858 "vep_idx (%u) != vep_idx (%u)!",
3859 getpid (), session_index,
3860 session->vep.vep_idx, vep_idx);
3865 /* VCL Event Un-register handler */
3866 if ((session->state & STATE_LISTEN) && vep_session->poll_reg)
3868 ev = vce_get_event_from_index (&vcm->event_thread,
3869 vep_session->poll_reg->ev_idx);
3870 (void) vce_unregister_handler (&vcm->event_thread, ev);
3873 vep_session->wait_cont_idx =
3874 (vep_session->wait_cont_idx == session_index) ?
3875 session->vep.next_sid : vep_session->wait_cont_idx;
3877 if (session->vep.prev_sid == vep_idx)
3878 vep_session->vep.next_sid = session->vep.next_sid;
3881 session_t *prev_session;
3882 rv = vppcom_session_at_index (session->vep.prev_sid, &prev_session);
3883 if (PREDICT_FALSE (rv))
3885 clib_warning ("VCL<%d>: ERROR: EPOLL_CTL_DEL: Invalid "
3886 "vep.prev_sid (%u) on sid (%u)!",
3887 getpid (), session->vep.prev_sid, session_index);
3890 ASSERT (prev_session->vep.next_sid == session_index);
3891 prev_session->vep.next_sid = session->vep.next_sid;
3893 if (session->vep.next_sid != ~0)
3895 session_t *next_session;
3896 rv = vppcom_session_at_index (session->vep.next_sid, &next_session);
3897 if (PREDICT_FALSE (rv))
3899 clib_warning ("VCL<%d>: ERROR: EPOLL_CTL_DEL: Invalid "
3900 "vep.next_sid (%u) on sid (%u)!",
3901 getpid (), session->vep.next_sid, session_index);
3904 ASSERT (next_session->vep.prev_sid == session_index);
3905 next_session->vep.prev_sid = session->vep.prev_sid;
3908 memset (&session->vep, 0, sizeof (session->vep));
3909 session->vep.next_sid = ~0;
3910 session->vep.prev_sid = ~0;
3911 session->vep.vep_idx = ~0;
3912 session->is_vep_session = 0;
3913 if (VPPCOM_DEBUG > 1)
3914 clib_warning ("VCL<%d>: EPOLL_CTL_DEL: vep_idx %u, sid %u!",
3915 getpid (), vep_idx, session_index);
3916 if (VPPCOM_DEBUG > 0)
3919 ELOG_TYPE_DECLARE (e) =
3921 .format = "epoll_ctldel: vep:%d",
3922 .format_args = "i4",
3929 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
3937 clib_warning ("VCL<%d>: ERROR: Invalid operation (%d)!", getpid (), op);
3941 vep_verify_epoll_chain (vep_idx);
3944 clib_spinlock_unlock (&vcm->sessions_lockp);
3949 vppcom_epoll_wait (uint32_t vep_idx, struct epoll_event *events,
3950 int maxevents, double wait_for_time)
3952 session_t *vep_session;
3953 elog_track_t vep_elog_track;
3955 f64 timeout = clib_time_now (&vcm->clib_time) + wait_for_time;
3956 u32 keep_trying = 1;
3958 u32 vep_next_sid, wait_cont_idx;
3961 if (PREDICT_FALSE (maxevents <= 0))
3963 clib_warning ("VCL<%d>: ERROR: Invalid maxevents (%d)!",
3964 getpid (), maxevents);
3965 return VPPCOM_EINVAL;
3967 memset (events, 0, sizeof (*events) * maxevents);
3969 VCL_LOCK_AND_GET_SESSION (vep_idx, &vep_session);
3970 vep_next_sid = vep_session->vep.next_sid;
3971 is_vep = vep_session->is_vep;
3972 wait_cont_idx = vep_session->wait_cont_idx;
3973 vep_elog_track = vep_session->elog_track;
3974 clib_spinlock_unlock (&vcm->sessions_lockp);
3976 if (PREDICT_FALSE (!is_vep))
3978 clib_warning ("VCL<%d>: ERROR: vep_idx (%u) is not a vep!",
3979 getpid (), vep_idx);
3983 if (PREDICT_FALSE (vep_next_sid == ~0))
3985 if (VPPCOM_DEBUG > 1)
3986 clib_warning ("VCL<%d>: WARNING: vep_idx (%u) is empty!",
3987 getpid (), vep_idx);
3988 if (VPPCOM_DEBUG > 1)
3991 ELOG_TYPE_DECLARE (e) =
3993 .format = "WRN: vep_idx:%d empty",
3994 .format_args = "i4",
4001 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, vep_elog_track);
4014 elog_track_t session_elog_track;
4016 for (sid = (wait_cont_idx == ~0) ? vep_next_sid : wait_cont_idx;
4017 sid != ~0; sid = next_sid)
4019 u32 session_events, et_mask, clear_et_mask, session_vep_idx;
4020 u8 add_event, is_vep_session;
4022 u64 session_ev_data;
4024 VCL_LOCK_AND_GET_SESSION (sid, &session);
4025 next_sid = session->vep.next_sid;
4026 session_events = session->vep.ev.events;
4027 et_mask = session->vep.et_mask;
4028 is_vep = session->is_vep;
4029 is_vep_session = session->is_vep_session;
4030 session_vep_idx = session->vep.vep_idx;
4031 session_ev_data = session->vep.ev.data.u64;
4033 if (VPPCOM_DEBUG > 0)
4035 session_elog_track = session->elog_track;
4038 clib_spinlock_unlock (&vcm->sessions_lockp);
4040 if (PREDICT_FALSE (is_vep))
4042 if (VPPCOM_DEBUG > 0)
4043 clib_warning ("VCL<%d>: ERROR: sid (%u) is a vep!",
4044 getpid (), vep_idx);
4045 if (VPPCOM_DEBUG > 0)
4048 ELOG_TYPE_DECLARE (e) =
4050 .format = "ERR:vep_idx:%d is vep",
4051 .format_args = "i4",
4058 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session_elog_track);
4067 if (PREDICT_FALSE (!is_vep_session))
4069 if (VPPCOM_DEBUG > 0)
4070 clib_warning ("VCL<%d>: ERROR: session (%u) is not "
4071 "a vep session!", getpid (), sid);
4072 if (VPPCOM_DEBUG > 0)
4075 ELOG_TYPE_DECLARE (e) =
4077 .format = "ERR:SID:%d not vep",
4078 .format_args = "i4",
4085 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session_elog_track);
4094 if (PREDICT_FALSE (session_vep_idx != vep_idx))
4096 clib_warning ("VCL<%d>: ERROR: session (%u) "
4097 "vep_idx (%u) != vep_idx (%u)!",
4098 getpid (), sid, session_vep_idx, vep_idx);
4103 add_event = clear_et_mask = 0;
4105 if (EPOLLIN & session_events)
4107 VCL_LOCK_AND_GET_SESSION (sid, &session);
4108 ready = vppcom_session_read_ready (session, sid);
4109 clib_spinlock_unlock (&vcm->sessions_lockp);
4110 if ((ready > 0) && (EPOLLIN & et_mask))
4113 events[num_ev].events |= EPOLLIN;
4114 if (((EPOLLET | EPOLLIN) & session_events) ==
4115 (EPOLLET | EPOLLIN))
4116 clear_et_mask |= EPOLLIN;
4123 case VPPCOM_ECONNRESET:
4124 events[num_ev].events |= EPOLLHUP | EPOLLRDHUP;
4128 events[num_ev].events |= EPOLLERR;
4134 if (EPOLLOUT & session_events)
4136 VCL_LOCK_AND_GET_SESSION (sid, &session);
4137 ready = vppcom_session_write_ready (session, sid);
4138 clib_spinlock_unlock (&vcm->sessions_lockp);
4139 if ((ready > 0) && (EPOLLOUT & et_mask))
4142 events[num_ev].events |= EPOLLOUT;
4143 if (((EPOLLET | EPOLLOUT) & session_events) ==
4144 (EPOLLET | EPOLLOUT))
4145 clear_et_mask |= EPOLLOUT;
4152 case VPPCOM_ECONNRESET:
4153 events[num_ev].events |= EPOLLHUP;
4157 events[num_ev].events |= EPOLLERR;
4165 events[num_ev].data.u64 = session_ev_data;
4166 if (EPOLLONESHOT & session_events)
4168 VCL_LOCK_AND_GET_SESSION (sid, &session);
4169 session->vep.ev.events = 0;
4170 clib_spinlock_unlock (&vcm->sessions_lockp);
4173 if (num_ev == maxevents)
4175 VCL_LOCK_AND_GET_SESSION (vep_idx, &vep_session);
4176 vep_session->wait_cont_idx = next_sid;
4177 clib_spinlock_unlock (&vcm->sessions_lockp);
4181 if (wait_cont_idx != ~0)
4184 next_sid = vep_next_sid;
4185 else if (next_sid == wait_cont_idx)
4189 if (wait_for_time != -1)
4190 keep_trying = (clib_time_now (&vcm->clib_time) <= timeout) ? 1 : 0;
4192 while ((num_ev == 0) && keep_trying);
4194 if (wait_cont_idx != ~0)
4196 VCL_LOCK_AND_GET_SESSION (vep_idx, &vep_session);
4197 vep_session->wait_cont_idx = ~0;
4198 clib_spinlock_unlock (&vcm->sessions_lockp);
4201 return (rv != VPPCOM_OK) ? rv : num_ev;
4205 vppcom_session_attr (uint32_t session_index, uint32_t op,
4206 void *buffer, uint32_t * buflen)
4210 u32 *flags = buffer;
4211 vppcom_endpt_t *ep = buffer;
4213 VCL_LOCK_AND_GET_SESSION (session_index, &session);
4219 case VPPCOM_ATTR_GET_NREAD:
4220 rv = vppcom_session_read_ready (session, session_index);
4221 if (VPPCOM_DEBUG > 2)
4222 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_NREAD: sid %u, nread = %d",
4224 if (VPPCOM_DEBUG > 0)
4227 ELOG_TYPE_DECLARE (e) =
4229 .format = "VPPCOM_ATTR_GET_NREAD: nread=%d",
4230 .format_args = "i4",
4237 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4245 case VPPCOM_ATTR_GET_NWRITE:
4246 rv = vppcom_session_write_ready (session, session_index);
4247 if (VPPCOM_DEBUG > 2)
4248 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_NWRITE: sid %u, nwrite = %d",
4249 getpid (), session_index, rv);
4250 if (VPPCOM_DEBUG > 0)
4253 ELOG_TYPE_DECLARE (e) =
4255 .format = "VPPCOM_ATTR_GET_NWRITE: nwrite=%d",
4256 .format_args = "i4",
4263 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4270 case VPPCOM_ATTR_GET_FLAGS:
4271 if (PREDICT_TRUE (buffer && buflen && (*buflen >= sizeof (*flags))))
4273 *flags = O_RDWR | (VCL_SESS_ATTR_TEST (session->attr,
4274 VCL_SESS_ATTR_NONBLOCK));
4275 *buflen = sizeof (*flags);
4276 if (VPPCOM_DEBUG > 2)
4277 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_FLAGS: sid %u, "
4278 "flags = 0x%08x, is_nonblocking = %u", getpid (),
4279 session_index, *flags,
4280 VCL_SESS_ATTR_TEST (session->attr,
4281 VCL_SESS_ATTR_NONBLOCK));
4282 if (VPPCOM_DEBUG > 0)
4285 ELOG_TYPE_DECLARE (e) =
4287 .format = "VPPCOM_ATTR_GET_FLAGS: flags=%x is_nonblk=%d",
4288 .format_args = "i4i4",
4296 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4299 ed->is_nonblk = VCL_SESS_ATTR_TEST (session->attr, VCL_SESS_ATTR_NONBLOCK);
4308 case VPPCOM_ATTR_SET_FLAGS:
4309 if (PREDICT_TRUE (buffer && buflen && (*buflen == sizeof (*flags))))
4311 if (*flags & O_NONBLOCK)
4312 VCL_SESS_ATTR_SET (session->attr, VCL_SESS_ATTR_NONBLOCK);
4314 VCL_SESS_ATTR_CLR (session->attr, VCL_SESS_ATTR_NONBLOCK);
4316 if (VPPCOM_DEBUG > 2)
4317 clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_FLAGS: sid %u, "
4318 "flags = 0x%08x, is_nonblocking = %u",
4319 getpid (), session_index, *flags,
4320 VCL_SESS_ATTR_TEST (session->attr,
4321 VCL_SESS_ATTR_NONBLOCK));
4322 if (VPPCOM_DEBUG > 0)
4325 ELOG_TYPE_DECLARE (e) =
4327 .format = "VPPCOM_ATTR_SET_FLAGS: flags=%x is_nonblk=%d",
4328 .format_args = "i4i4",
4336 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4339 ed->is_nonblk = VCL_SESS_ATTR_TEST (session->attr, VCL_SESS_ATTR_NONBLOCK);
4347 case VPPCOM_ATTR_GET_PEER_ADDR:
4348 if (PREDICT_TRUE (buffer && buflen &&
4349 (*buflen >= sizeof (*ep)) && ep->ip))
4351 ep->is_ip4 = session->peer_addr.is_ip4;
4352 ep->port = session->peer_port;
4353 if (session->peer_addr.is_ip4)
4354 clib_memcpy (ep->ip, &session->peer_addr.ip46.ip4,
4355 sizeof (ip4_address_t));
4357 clib_memcpy (ep->ip, &session->peer_addr.ip46.ip6,
4358 sizeof (ip6_address_t));
4359 *buflen = sizeof (*ep);
4360 if (VPPCOM_DEBUG > 1)
4361 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_PEER_ADDR: sid %u, "
4362 "is_ip4 = %u, addr = %U, port %u", getpid (),
4363 session_index, ep->is_ip4, format_ip46_address,
4364 &session->peer_addr.ip46, ep->is_ip4,
4365 clib_net_to_host_u16 (ep->port));
4366 if (VPPCOM_DEBUG > 0)
4371 ELOG_TYPE_DECLARE (e) =
4373 .format = "VPPCOM_ATTR_GET_PEER_ADDR: addr:%d.%d.%d.%d:%d",
4374 .format_args = "i1i1i1i1i2",
4376 CLIB_PACKED (struct {
4381 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4383 ed->addr[0] = session->peer_addr.ip46.ip4.as_u8[0];
4384 ed->addr[1] = session->peer_addr.ip46.ip4.as_u8[1];
4385 ed->addr[2] = session->peer_addr.ip46.ip4.as_u8[2];
4386 ed->addr[3] = session->peer_addr.ip46.ip4.as_u8[3];
4387 ed->port = clib_net_to_host_u16 (session->peer_port);
4393 ELOG_TYPE_DECLARE (e) =
4395 .format = "VPPCOM_ATTR_GET_PEER_ADDR: addr:IP6:%d",
4396 .format_args = "i2",
4398 CLIB_PACKED (struct {
4402 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4404 ed->port = clib_net_to_host_u16 (session->peer_port);
4413 case VPPCOM_ATTR_GET_LCL_ADDR:
4414 if (PREDICT_TRUE (buffer && buflen &&
4415 (*buflen >= sizeof (*ep)) && ep->ip))
4417 ep->is_ip4 = session->lcl_addr.is_ip4;
4418 ep->port = session->lcl_port;
4419 if (session->lcl_addr.is_ip4)
4420 clib_memcpy (ep->ip, &session->lcl_addr.ip46.ip4,
4421 sizeof (ip4_address_t));
4423 clib_memcpy (ep->ip, &session->lcl_addr.ip46.ip6,
4424 sizeof (ip6_address_t));
4425 *buflen = sizeof (*ep);
4426 if (VPPCOM_DEBUG > 1)
4427 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_LCL_ADDR: sid %u, "
4428 "is_ip4 = %u, addr = %U port %d", getpid (),
4429 session_index, ep->is_ip4, format_ip46_address,
4430 &session->lcl_addr.ip46, ep->is_ip4,
4431 clib_net_to_host_u16 (ep->port));
4432 if (VPPCOM_DEBUG > 0)
4437 ELOG_TYPE_DECLARE (e) =
4439 .format = "VPPCOM_ATTR_GET_LCL_ADDR: addr:%d.%d.%d.%d:%d",
4440 .format_args = "i1i1i1i1i2",
4442 CLIB_PACKED (struct {
4447 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4449 ed->addr[0] = session->lcl_addr.ip46.ip4.as_u8[0];
4450 ed->addr[1] = session->lcl_addr.ip46.ip4.as_u8[1];
4451 ed->addr[2] = session->lcl_addr.ip46.ip4.as_u8[2];
4452 ed->addr[3] = session->lcl_addr.ip46.ip4.as_u8[3];
4453 ed->port = clib_net_to_host_u16 (session->peer_port);
4459 ELOG_TYPE_DECLARE (e) =
4461 .format = "VPPCOM_ATTR_GET_LCL_ADDR: addr:IP6:%d",
4462 .format_args = "i2",
4464 CLIB_PACKED (struct {
4468 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4470 ed->port = clib_net_to_host_u16 (session->peer_port);
4479 case VPPCOM_ATTR_GET_LIBC_EPFD:
4480 rv = session->libc_epfd;
4481 if (VPPCOM_DEBUG > 2)
4482 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_LIBC_EPFD: libc_epfd %d",
4484 if (VPPCOM_DEBUG > 0)
4487 ELOG_TYPE_DECLARE (e) =
4489 .format = "VPPCOM_ATTR_GET_LIBC_EPFD: libc_epfd=%d",
4490 .format_args = "i4",
4492 CLIB_PACKED (struct {
4496 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4497 ed->data = session->libc_epfd;
4503 case VPPCOM_ATTR_SET_LIBC_EPFD:
4504 if (PREDICT_TRUE (buffer && buflen &&
4505 (*buflen == sizeof (session->libc_epfd))))
4507 session->libc_epfd = *(int *) buffer;
4508 *buflen = sizeof (session->libc_epfd);
4510 if (VPPCOM_DEBUG > 2)
4511 clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_LIBC_EPFD: libc_epfd %d, "
4512 "buflen %d", getpid (), session->libc_epfd,
4514 if (VPPCOM_DEBUG > 0)
4517 ELOG_TYPE_DECLARE (e) =
4519 .format = "VPPCOM_ATTR_SET_LIBC_EPFD: libc_epfd=%s%d buflen=%d",
4520 .format_args = "t1i4i4",
4521 .n_enum_strings = 2,
4522 .enum_strings = {"", "-",},
4524 CLIB_PACKED (struct {
4529 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4531 ed->sign = (session->libc_epfd < 0);
4532 ed->data[0] = abs(session->libc_epfd);
4533 ed->data[1] = *buflen;
4541 case VPPCOM_ATTR_GET_PROTOCOL:
4542 if (buffer && buflen && (*buflen >= sizeof (int)))
4544 *(int *) buffer = session->proto;
4545 *buflen = sizeof (int);
4547 if (VPPCOM_DEBUG > 2)
4548 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_PROTOCOL: %d (%s), "
4549 "buflen %d", getpid (), *(int *) buffer,
4550 *(int *) buffer ? "UDP" : "TCP", *buflen);
4551 if (VPPCOM_DEBUG > 0)
4554 ELOG_TYPE_DECLARE (e) =
4556 .format = "VPPCOM_ATTR_GET_PROTOCOL: %s buflen=%d",
4557 .format_args = "t1i4",
4558 .n_enum_strings = 2,
4559 .enum_strings = {"TCP", "UDP",},
4562 CLIB_PACKED (struct {
4567 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4568 ed->proto = session->proto;
4569 ed->buflen = *(int *) buffer;
4577 case VPPCOM_ATTR_GET_LISTEN:
4578 if (buffer && buflen && (*buflen >= sizeof (int)))
4580 *(int *) buffer = VCL_SESS_ATTR_TEST (session->attr,
4581 VCL_SESS_ATTR_LISTEN);
4582 *buflen = sizeof (int);
4584 if (VPPCOM_DEBUG > 2)
4585 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_LISTEN: %d, "
4586 "buflen %d", getpid (), *(int *) buffer, *buflen);
4587 if (VPPCOM_DEBUG > 0)
4590 ELOG_TYPE_DECLARE (e) =
4592 .format = "VPPCOM_ATTR_GET_LISTEN: %d buflen=%d",
4593 .format_args = "i4i4",
4600 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4601 ed->data[0] = *(int *) buffer;
4602 ed->data[1] = *buflen;
4610 case VPPCOM_ATTR_GET_ERROR:
4611 if (buffer && buflen && (*buflen >= sizeof (int)))
4613 *(int *) buffer = 0;
4614 *buflen = sizeof (int);
4616 if (VPPCOM_DEBUG > 2)
4617 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_ERROR: %d, "
4618 "buflen %d, #VPP-TBD#", getpid (),
4619 *(int *) buffer, *buflen);
4620 if (VPPCOM_DEBUG > 0)
4623 ELOG_TYPE_DECLARE (e) =
4625 .format = "VPPCOM_ATTR_GET_ERROR: %d buflen=%d",
4626 .format_args = "i4i4",
4633 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4634 ed->data[0] = *(int *) buffer;
4635 ed->data[1] = *buflen;
4643 case VPPCOM_ATTR_GET_TX_FIFO_LEN:
4644 if (buffer && buflen && (*buflen >= sizeof (u32)))
4648 *(size_t *) buffer = (session->sndbuf_size ? session->sndbuf_size :
4649 session->tx_fifo ? session->tx_fifo->nitems :
4650 vcm->cfg.tx_fifo_size);
4651 *buflen = sizeof (u32);
4653 if (VPPCOM_DEBUG > 2)
4654 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_TX_FIFO_LEN: %u (0x%x), "
4655 "buflen %d, #VPP-TBD#", getpid (),
4656 *(size_t *) buffer, *(size_t *) buffer, *buflen);
4657 if (VPPCOM_DEBUG > 0)
4660 ELOG_TYPE_DECLARE (e) =
4662 .format = "VPPCOM_ATTR_GET_TX_FIFO_LEN: 0x%x buflen=%d",
4663 .format_args = "i4i4",
4670 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4671 ed->data[0] = *(size_t *) buffer;
4672 ed->data[1] = *buflen;
4680 case VPPCOM_ATTR_SET_TX_FIFO_LEN:
4681 if (buffer && buflen && (*buflen == sizeof (u32)))
4684 session->sndbuf_size = *(u32 *) buffer;
4685 if (VPPCOM_DEBUG > 2)
4686 clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_TX_FIFO_LEN: %u (0x%x), "
4687 "buflen %d, #VPP-TBD#", getpid (),
4688 session->sndbuf_size, session->sndbuf_size,
4690 if (VPPCOM_DEBUG > 0)
4693 ELOG_TYPE_DECLARE (e) =
4695 .format = "VPPCOM_ATTR_SET_TX_FIFO_LEN: 0x%x buflen=%d",
4696 .format_args = "i4i4",
4703 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4704 ed->data[0] = session->sndbuf_size;
4705 ed->data[1] = *buflen;
4713 case VPPCOM_ATTR_GET_RX_FIFO_LEN:
4714 if (buffer && buflen && (*buflen >= sizeof (u32)))
4718 *(size_t *) buffer = (session->rcvbuf_size ? session->rcvbuf_size :
4719 session->rx_fifo ? session->rx_fifo->nitems :
4720 vcm->cfg.rx_fifo_size);
4721 *buflen = sizeof (u32);
4723 if (VPPCOM_DEBUG > 2)
4724 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_RX_FIFO_LEN: %u (0x%x), "
4725 "buflen %d, #VPP-TBD#", getpid (),
4726 *(size_t *) buffer, *(size_t *) buffer, *buflen);
4727 if (VPPCOM_DEBUG > 0)
4730 ELOG_TYPE_DECLARE (e) =
4732 .format = "VPPCOM_ATTR_GET_RX_FIFO_LEN: 0x%x buflen=%d",
4733 .format_args = "i4i4",
4740 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4741 ed->data[0] = *(size_t *) buffer;
4742 ed->data[1] = *buflen;
4750 case VPPCOM_ATTR_SET_RX_FIFO_LEN:
4751 if (buffer && buflen && (*buflen == sizeof (u32)))
4754 session->rcvbuf_size = *(u32 *) buffer;
4755 if (VPPCOM_DEBUG > 2)
4756 clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_RX_FIFO_LEN: %u (0x%x), "
4757 "buflen %d, #VPP-TBD#", getpid (),
4758 session->sndbuf_size, session->sndbuf_size,
4760 if (VPPCOM_DEBUG > 0)
4763 ELOG_TYPE_DECLARE (e) =
4765 .format = "VPPCOM_ATTR_SET_RX_FIFO_LEN: 0x%x buflen=%d",
4766 .format_args = "i4i4",
4773 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4774 ed->data[0] = session->sndbuf_size;
4775 ed->data[1] = *buflen;
4783 case VPPCOM_ATTR_GET_REUSEADDR:
4784 if (buffer && buflen && (*buflen >= sizeof (int)))
4787 *(int *) buffer = VCL_SESS_ATTR_TEST (session->attr,
4788 VCL_SESS_ATTR_REUSEADDR);
4789 *buflen = sizeof (int);
4791 if (VPPCOM_DEBUG > 2)
4792 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_REUSEADDR: %d, "
4793 "buflen %d, #VPP-TBD#", getpid (), *(int *) buffer,
4795 if (VPPCOM_DEBUG > 0)
4798 ELOG_TYPE_DECLARE (e) =
4800 .format = "VPPCOM_ATTR_GET_REUSEADDR: %d buflen=%d",
4801 .format_args = "i4i4",
4808 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4809 ed->data[0] = *(int *) buffer;
4810 ed->data[1] = *buflen;
4818 case VPPCOM_ATTR_SET_REUSEADDR:
4819 if (buffer && buflen && (*buflen == sizeof (int)) &&
4820 !VCL_SESS_ATTR_TEST (session->attr, VCL_SESS_ATTR_LISTEN))
4823 if (*(int *) buffer)
4824 VCL_SESS_ATTR_SET (session->attr, VCL_SESS_ATTR_REUSEADDR);
4826 VCL_SESS_ATTR_CLR (session->attr, VCL_SESS_ATTR_REUSEADDR);
4828 if (VPPCOM_DEBUG > 2)
4829 clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_REUSEADDR: %d, "
4830 "buflen %d, #VPP-TBD#", getpid (),
4831 VCL_SESS_ATTR_TEST (session->attr,
4832 VCL_SESS_ATTR_REUSEADDR),
4834 if (VPPCOM_DEBUG > 0)
4837 ELOG_TYPE_DECLARE (e) =
4839 .format = "VPPCOM_ATTR_SET_REUSEADDR: %d buflen=%d",
4840 .format_args = "i4i4",
4847 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4848 ed->data[0] = VCL_SESS_ATTR_TEST (session->attr,
4849 VCL_SESS_ATTR_REUSEADDR);
4850 ed->data[1] = *buflen;
4858 case VPPCOM_ATTR_GET_REUSEPORT:
4859 if (buffer && buflen && (*buflen >= sizeof (int)))
4862 *(int *) buffer = VCL_SESS_ATTR_TEST (session->attr,
4863 VCL_SESS_ATTR_REUSEPORT);
4864 *buflen = sizeof (int);
4866 if (VPPCOM_DEBUG > 2)
4867 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_REUSEPORT: %d, "
4868 "buflen %d, #VPP-TBD#", getpid (), *(int *) buffer,
4870 if (VPPCOM_DEBUG > 0)
4873 ELOG_TYPE_DECLARE (e) =
4875 .format = "VPPCOM_ATTR_GET_REUSEPORT: %d buflen=%d",
4876 .format_args = "i4i4",
4883 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4884 ed->data[0] = *(int *) buffer;
4885 ed->data[1] = *buflen;
4893 case VPPCOM_ATTR_SET_REUSEPORT:
4894 if (buffer && buflen && (*buflen == sizeof (int)) &&
4895 !VCL_SESS_ATTR_TEST (session->attr, VCL_SESS_ATTR_LISTEN))
4898 if (*(int *) buffer)
4899 VCL_SESS_ATTR_SET (session->attr, VCL_SESS_ATTR_REUSEPORT);
4901 VCL_SESS_ATTR_CLR (session->attr, VCL_SESS_ATTR_REUSEPORT);
4903 if (VPPCOM_DEBUG > 2)
4904 clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_REUSEPORT: %d, "
4905 "buflen %d, #VPP-TBD#", getpid (),
4906 VCL_SESS_ATTR_TEST (session->attr,
4907 VCL_SESS_ATTR_REUSEPORT),
4909 if (VPPCOM_DEBUG > 0)
4912 ELOG_TYPE_DECLARE (e) =
4914 .format = "VPPCOM_ATTR_SET_REUSEPORT: %d buflen=%d",
4915 .format_args = "i4i4",
4922 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4923 ed->data[0] = VCL_SESS_ATTR_TEST (session->attr,
4924 VCL_SESS_ATTR_REUSEPORT);
4925 ed->data[1] = *buflen;
4933 case VPPCOM_ATTR_GET_BROADCAST:
4934 if (buffer && buflen && (*buflen >= sizeof (int)))
4937 *(int *) buffer = VCL_SESS_ATTR_TEST (session->attr,
4938 VCL_SESS_ATTR_BROADCAST);
4939 *buflen = sizeof (int);
4941 if (VPPCOM_DEBUG > 2)
4942 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_BROADCAST: %d, "
4943 "buflen %d, #VPP-TBD#", getpid (), *(int *) buffer,
4945 if (VPPCOM_DEBUG > 0)
4948 ELOG_TYPE_DECLARE (e) =
4950 .format = "VPPCOM_ATTR_GET_BROADCAST: %d buflen=%d",
4951 .format_args = "i4i4",
4958 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4959 ed->data[0] = *(int *) buffer;
4960 ed->data[1] = *buflen;
4968 case VPPCOM_ATTR_SET_BROADCAST:
4969 if (buffer && buflen && (*buflen == sizeof (int)))
4972 if (*(int *) buffer)
4973 VCL_SESS_ATTR_SET (session->attr, VCL_SESS_ATTR_BROADCAST);
4975 VCL_SESS_ATTR_CLR (session->attr, VCL_SESS_ATTR_BROADCAST);
4977 if (VPPCOM_DEBUG > 2)
4978 clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_BROADCAST: %d, "
4979 "buflen %d, #VPP-TBD#", getpid (),
4980 VCL_SESS_ATTR_TEST (session->attr,
4981 VCL_SESS_ATTR_BROADCAST),
4983 if (VPPCOM_DEBUG > 0)
4986 ELOG_TYPE_DECLARE (e) =
4988 .format = "VPPCOM_ATTR_SET_BROADCAST: %d buflen=%d",
4989 .format_args = "i4i4",
4996 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4997 ed->data[0] = VCL_SESS_ATTR_TEST (session->attr,
4998 VCL_SESS_ATTR_BROADCAST);
4999 ed->data[1] = *buflen;
5007 case VPPCOM_ATTR_GET_V6ONLY:
5008 if (buffer && buflen && (*buflen >= sizeof (int)))
5011 *(int *) buffer = VCL_SESS_ATTR_TEST (session->attr,
5012 VCL_SESS_ATTR_V6ONLY);
5013 *buflen = sizeof (int);
5015 if (VPPCOM_DEBUG > 2)
5016 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_V6ONLY: %d, "
5017 "buflen %d, #VPP-TBD#", getpid (), *(int *) buffer,
5019 if (VPPCOM_DEBUG > 0)
5022 ELOG_TYPE_DECLARE (e) =
5024 .format = "VPPCOM_ATTR_GET_V6ONLY: %d buflen=%d",
5025 .format_args = "i4i4",
5032 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
5033 ed->data[0] = *(int *) buffer;
5034 ed->data[1] = *buflen;
5042 case VPPCOM_ATTR_SET_V6ONLY:
5043 if (buffer && buflen && (*buflen == sizeof (int)))
5046 if (*(int *) buffer)
5047 VCL_SESS_ATTR_SET (session->attr, VCL_SESS_ATTR_V6ONLY);
5049 VCL_SESS_ATTR_CLR (session->attr, VCL_SESS_ATTR_V6ONLY);
5051 if (VPPCOM_DEBUG > 2)
5052 clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_V6ONLY: %d, "
5053 "buflen %d, #VPP-TBD#", getpid (),
5054 VCL_SESS_ATTR_TEST (session->attr,
5055 VCL_SESS_ATTR_V6ONLY), *buflen);
5056 if (VPPCOM_DEBUG > 0)
5059 ELOG_TYPE_DECLARE (e) =
5061 .format = "VPPCOM_ATTR_SET_V6ONLY: %d buflen=%d",
5062 .format_args = "i4i4",
5069 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
5070 ed->data[0] = VCL_SESS_ATTR_TEST (session->attr,
5071 VCL_SESS_ATTR_V6ONLY);
5072 ed->data[1] = *buflen;
5080 case VPPCOM_ATTR_GET_KEEPALIVE:
5081 if (buffer && buflen && (*buflen >= sizeof (int)))
5084 *(int *) buffer = VCL_SESS_ATTR_TEST (session->attr,
5085 VCL_SESS_ATTR_KEEPALIVE);
5086 *buflen = sizeof (int);
5088 if (VPPCOM_DEBUG > 2)
5089 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_KEEPALIVE: %d, "
5090 "buflen %d, #VPP-TBD#", getpid (), *(int *) buffer,
5092 if (VPPCOM_DEBUG > 0)
5095 ELOG_TYPE_DECLARE (e) =
5097 .format = "VPPCOM_ATTR_GET_KEEPALIVE: %d buflen=%d",
5098 .format_args = "i4i4",
5105 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
5106 ed->data[0] = *(int *) buffer;
5107 ed->data[1] = *buflen;
5115 case VPPCOM_ATTR_SET_KEEPALIVE:
5116 if (buffer && buflen && (*buflen == sizeof (int)))
5119 if (*(int *) buffer)
5120 VCL_SESS_ATTR_SET (session->attr, VCL_SESS_ATTR_KEEPALIVE);
5122 VCL_SESS_ATTR_CLR (session->attr, VCL_SESS_ATTR_KEEPALIVE);
5124 if (VPPCOM_DEBUG > 2)
5125 clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_KEEPALIVE: %d, "
5126 "buflen %d, #VPP-TBD#", getpid (),
5127 VCL_SESS_ATTR_TEST (session->attr,
5128 VCL_SESS_ATTR_KEEPALIVE),
5130 if (VPPCOM_DEBUG > 0)
5133 ELOG_TYPE_DECLARE (e) =
5135 .format = "VPPCOM_ATTR_SET_KEEPALIVE: %d buflen=%d",
5136 .format_args = "i4i4",
5143 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
5144 ed->data[0] = VCL_SESS_ATTR_TEST (session->attr,
5145 VCL_SESS_ATTR_KEEPALIVE);
5146 ed->data[1] = *buflen;
5154 case VPPCOM_ATTR_GET_TCP_NODELAY:
5155 if (buffer && buflen && (*buflen >= sizeof (int)))
5158 *(int *) buffer = VCL_SESS_ATTR_TEST (session->attr,
5159 VCL_SESS_ATTR_TCP_NODELAY);
5160 *buflen = sizeof (int);
5162 if (VPPCOM_DEBUG > 2)
5163 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_TCP_NODELAY: %d, "
5164 "buflen %d, #VPP-TBD#", getpid (), *(int *) buffer,
5166 if (VPPCOM_DEBUG > 0)
5169 ELOG_TYPE_DECLARE (e) =
5171 .format = "VPPCOM_ATTR_GET_TCP_NODELAY: %d buflen=%d",
5172 .format_args = "i4i4",
5179 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
5180 ed->data[0] = *(int *) buffer;
5181 ed->data[1] = *buflen;
5189 case VPPCOM_ATTR_SET_TCP_NODELAY:
5190 if (buffer && buflen && (*buflen == sizeof (int)))
5193 if (*(int *) buffer)
5194 VCL_SESS_ATTR_SET (session->attr, VCL_SESS_ATTR_TCP_NODELAY);
5196 VCL_SESS_ATTR_CLR (session->attr, VCL_SESS_ATTR_TCP_NODELAY);
5198 if (VPPCOM_DEBUG > 2)
5199 clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_TCP_NODELAY: %d, "
5200 "buflen %d, #VPP-TBD#", getpid (),
5201 VCL_SESS_ATTR_TEST (session->attr,
5202 VCL_SESS_ATTR_TCP_NODELAY),
5204 if (VPPCOM_DEBUG > 0)
5207 ELOG_TYPE_DECLARE (e) =
5209 .format = "VPPCOM_ATTR_SET_TCP_NODELAY: %d buflen=%d",
5210 .format_args = "i4i4",
5217 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
5218 ed->data[0] = VCL_SESS_ATTR_TEST (session->attr,
5219 VCL_SESS_ATTR_TCP_NODELAY);
5220 ed->data[1] = *buflen;
5228 case VPPCOM_ATTR_GET_TCP_KEEPIDLE:
5229 if (buffer && buflen && (*buflen >= sizeof (int)))
5232 *(int *) buffer = VCL_SESS_ATTR_TEST (session->attr,
5233 VCL_SESS_ATTR_TCP_KEEPIDLE);
5234 *buflen = sizeof (int);
5236 if (VPPCOM_DEBUG > 2)
5237 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_TCP_KEEPIDLE: %d, "
5238 "buflen %d, #VPP-TBD#", getpid (), *(int *) buffer,
5240 if (VPPCOM_DEBUG > 0)
5243 ELOG_TYPE_DECLARE (e) =
5245 .format = "VPPCOM_ATTR_GET_TCP_KEEPIDLE: %d buflen=%d",
5246 .format_args = "i4i4",
5253 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
5254 ed->data[0] = *(int *) buffer;
5255 ed->data[1] = *buflen;
5263 case VPPCOM_ATTR_SET_TCP_KEEPIDLE:
5264 if (buffer && buflen && (*buflen == sizeof (int)))
5267 if (*(int *) buffer)
5268 VCL_SESS_ATTR_SET (session->attr, VCL_SESS_ATTR_TCP_KEEPIDLE);
5270 VCL_SESS_ATTR_CLR (session->attr, VCL_SESS_ATTR_TCP_KEEPIDLE);
5272 if (VPPCOM_DEBUG > 2)
5273 clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_TCP_KEEPIDLE: %d, "
5274 "buflen %d, #VPP-TBD#", getpid (),
5275 VCL_SESS_ATTR_TEST (session->attr,
5276 VCL_SESS_ATTR_TCP_KEEPIDLE),
5278 if (VPPCOM_DEBUG > 0)
5281 ELOG_TYPE_DECLARE (e) =
5283 .format = "VPPCOM_ATTR_SET_TCP_KEEPIDLE: %d buflen=%d",
5284 .format_args = "i4i4",
5291 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
5292 ed->data[0] = VCL_SESS_ATTR_TEST (session->attr,
5293 VCL_SESS_ATTR_TCP_KEEPIDLE);
5294 ed->data[1] = *buflen;
5302 case VPPCOM_ATTR_GET_TCP_KEEPINTVL:
5303 if (buffer && buflen && (*buflen >= sizeof (int)))
5306 *(int *) buffer = VCL_SESS_ATTR_TEST (session->attr,
5307 VCL_SESS_ATTR_TCP_KEEPINTVL);
5308 *buflen = sizeof (int);
5310 if (VPPCOM_DEBUG > 2)
5311 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_TCP_KEEPINTVL: %d, "
5312 "buflen %d, #VPP-TBD#", getpid (), *(int *) buffer,
5314 if (VPPCOM_DEBUG > 0)
5317 ELOG_TYPE_DECLARE (e) =
5319 .format = "VPPCOM_ATTR_GET_TCP_KEEPIDLE: %d buflen=%d",
5320 .format_args = "i4i4",
5327 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
5328 ed->data[0] = *(int *) buffer;
5329 ed->data[1] = *buflen;
5337 case VPPCOM_ATTR_SET_TCP_KEEPINTVL:
5338 if (buffer && buflen && (*buflen == sizeof (int)))
5341 if (*(int *) buffer)
5342 VCL_SESS_ATTR_SET (session->attr, VCL_SESS_ATTR_TCP_KEEPINTVL);
5344 VCL_SESS_ATTR_CLR (session->attr, VCL_SESS_ATTR_TCP_KEEPINTVL);
5346 if (VPPCOM_DEBUG > 2)
5347 clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_TCP_KEEPINTVL: %d, "
5348 "buflen %d, #VPP-TBD#", getpid (),
5349 VCL_SESS_ATTR_TEST (session->attr,
5350 VCL_SESS_ATTR_TCP_KEEPINTVL),
5352 if (VPPCOM_DEBUG > 0)
5355 ELOG_TYPE_DECLARE (e) =
5357 .format = "VPPCOM_ATTR_SET_TCP_KEEPINTVL: %d buflen=%d",
5358 .format_args = "i4i4",
5365 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
5366 ed->data[0] = VCL_SESS_ATTR_TEST (session->attr,
5367 VCL_SESS_ATTR_TCP_KEEPINTVL);
5368 ed->data[1] = *buflen;
5376 case VPPCOM_ATTR_GET_TCP_USER_MSS:
5377 if (buffer && buflen && (*buflen >= sizeof (u32)))
5380 *(u32 *) buffer = session->user_mss;
5381 *buflen = sizeof (int);
5383 if (VPPCOM_DEBUG > 2)
5384 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_TCP_USER_MSS: %d, "
5385 "buflen %d, #VPP-TBD#", getpid (), *(int *) buffer,
5387 if (VPPCOM_DEBUG > 0)
5390 ELOG_TYPE_DECLARE (e) =
5392 .format = "VPPCOM_ATTR_GET_TCP_USER_MSS: %d buflen=%d",
5393 .format_args = "i4i4",
5400 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
5401 ed->data[0] = *(int *) buffer;
5402 ed->data[1] = *buflen;
5410 case VPPCOM_ATTR_SET_TCP_USER_MSS:
5411 if (buffer && buflen && (*buflen == sizeof (u32)))
5414 session->user_mss = *(u32 *) buffer;
5416 if (VPPCOM_DEBUG > 2)
5417 clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_TCP_USER_MSS: %u, "
5418 "buflen %d, #VPP-TBD#", getpid (),
5419 session->user_mss, *buflen);
5420 if (VPPCOM_DEBUG > 0)
5423 ELOG_TYPE_DECLARE (e) =
5425 .format = "VPPCOM_ATTR_SET_TCP_USER_MSS: %d buflen=%d",
5426 .format_args = "i4i4",
5433 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
5434 ed->data[0] = session->user_mss;
5435 ed->data[1] = *buflen;
5449 clib_spinlock_unlock (&vcm->sessions_lockp);
5454 vppcom_session_recvfrom (uint32_t session_index, void *buffer,
5455 uint32_t buflen, int flags, vppcom_endpt_t * ep)
5458 session_t *session = 0;
5462 clib_spinlock_lock (&vcm->sessions_lockp);
5463 rv = vppcom_session_at_index (session_index, &session);
5464 if (PREDICT_FALSE (rv))
5466 clib_spinlock_unlock (&vcm->sessions_lockp);
5467 if (VPPCOM_DEBUG > 0)
5468 clib_warning ("VCL<%d>: invalid session, "
5469 "sid (%u) has been closed!",
5470 getpid (), session_index);
5471 if (VPPCOM_DEBUG > 0)
5474 ELOG_TYPE_DECLARE (e) =
5476 .format = "invalid session: %d closed",
5477 .format_args = "i4",
5484 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, vcm->elog_track);
5485 ed->data = session_index;
5489 clib_spinlock_unlock (&vcm->sessions_lockp);
5492 ep->is_ip4 = session->peer_addr.is_ip4;
5493 ep->port = session->peer_port;
5494 if (session->peer_addr.is_ip4)
5495 clib_memcpy (ep->ip, &session->peer_addr.ip46.ip4,
5496 sizeof (ip4_address_t));
5498 clib_memcpy (ep->ip, &session->peer_addr.ip46.ip6,
5499 sizeof (ip6_address_t));
5500 clib_spinlock_unlock (&vcm->sessions_lockp);
5504 rv = vppcom_session_read (session_index, buffer, buflen);
5505 else if (flags & MSG_PEEK)
5506 rv = vppcom_session_peek (session_index, buffer, buflen);
5509 clib_warning ("VCL<%d>: Unsupport flags for recvfrom %d",
5511 rv = VPPCOM_EAFNOSUPPORT;
5519 vppcom_session_sendto (uint32_t session_index, void *buffer,
5520 uint32_t buflen, int flags, vppcom_endpt_t * ep)
5523 return VPPCOM_EINVAL;
5528 return VPPCOM_EINVAL;
5533 // TBD check the flags and do the right thing
5534 if (VPPCOM_DEBUG > 2)
5535 clib_warning ("VCL<%d>: handling flags 0x%u (%d) "
5536 "not implemented yet.", getpid (), flags, flags);
5539 return (vppcom_session_write (session_index, buffer, buflen));
5543 vppcom_poll (vcl_poll_t * vp, uint32_t n_sids, double wait_for_time)
5545 f64 timeout = clib_time_now (&vcm->clib_time) + wait_for_time;
5546 u32 i, keep_trying = 1;
5549 if (VPPCOM_DEBUG > 3)
5550 clib_warning ("VCL<%d>: vp %p, nsids %u, wait_for_time %f",
5551 getpid (), vp, n_sids, wait_for_time);
5554 return VPPCOM_EFAULT;
5560 for (i = 0; i < n_sids; i++)
5562 ASSERT (vp[i].revents);
5564 VCL_LOCK_AND_GET_SESSION (vp[i].sid, &session);
5565 clib_spinlock_unlock (&vcm->sessions_lockp);
5570 if (POLLIN & vp[i].events)
5572 VCL_LOCK_AND_GET_SESSION (vp[i].sid, &session);
5573 rv = vppcom_session_read_ready (session, vp[i].sid);
5574 clib_spinlock_unlock (&vcm->sessions_lockp);
5577 *vp[i].revents |= POLLIN;
5584 case VPPCOM_ECONNRESET:
5585 *vp[i].revents = POLLHUP;
5589 *vp[i].revents = POLLERR;
5596 if (POLLOUT & vp[i].events)
5598 VCL_LOCK_AND_GET_SESSION (vp[i].sid, &session);
5599 rv = vppcom_session_write_ready (session, vp[i].sid);
5600 clib_spinlock_unlock (&vcm->sessions_lockp);
5603 *vp[i].revents |= POLLOUT;
5610 case VPPCOM_ECONNRESET:
5611 *vp[i].revents = POLLHUP;
5615 *vp[i].revents = POLLERR;
5622 if (0) // Note "done:" label used by VCL_LOCK_AND_GET_SESSION()
5625 *vp[i].revents = POLLNVAL;
5629 if (wait_for_time != -1)
5630 keep_trying = (clib_time_now (&vcm->clib_time) <= timeout) ? 1 : 0;
5632 while ((num_ev == 0) && keep_trying);
5634 if (VPPCOM_DEBUG > 3)
5636 clib_warning ("VCL<%d>: returning %d", getpid (), num_ev);
5637 for (i = 0; i < n_sids; i++)
5639 clib_warning ("VCL<%d>: vp[%d].sid %d (0x%x), .events 0x%x, "
5640 ".revents 0x%x", getpid (), i, vp[i].sid, vp[i].sid,
5641 vp[i].events, *vp[i].revents);
5648 * fd.io coding-style-patch-verification: ON
5651 * eval: (c-set-style "gnu")