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);
2161 env_var_str = getenv (VPPCOM_ENV_APP_NAMESPACE_ID);
2164 u32 ns_id_vec_len = strlen (env_var_str);
2166 vec_reset_length (vcm->cfg.namespace_id);
2167 vec_validate (vcm->cfg.namespace_id, ns_id_vec_len - 1);
2168 clib_memcpy (vcm->cfg.namespace_id, env_var_str, ns_id_vec_len);
2170 if (VPPCOM_DEBUG > 0)
2171 clib_warning ("VCL<%d>: configured namespace_id (%v) from "
2172 VPPCOM_ENV_APP_NAMESPACE_ID
2173 "!", getpid (), vcm->cfg.namespace_id);
2175 env_var_str = getenv (VPPCOM_ENV_APP_NAMESPACE_SECRET);
2179 if (sscanf (env_var_str, "%lu", &tmp) != 1)
2180 clib_warning ("VCL<%d>: WARNING: Invalid namespace secret "
2181 "specified in the environment variable "
2182 VPPCOM_ENV_APP_NAMESPACE_SECRET
2183 " (%s)!\n", getpid (), env_var_str);
2186 vcm->cfg.namespace_secret = tmp;
2187 if (VPPCOM_DEBUG > 0)
2188 clib_warning ("VCL<%d>: configured namespace secret "
2190 VPPCOM_ENV_APP_NAMESPACE_SECRET
2191 "!", getpid (), vcm->cfg.namespace_secret);
2194 if (getenv (VPPCOM_ENV_APP_PROXY_TRANSPORT_TCP))
2196 vcm->cfg.app_proxy_transport_tcp = 1;
2197 if (VPPCOM_DEBUG > 0)
2198 clib_warning ("VCL<%d>: configured app_proxy_transport_tcp "
2200 VPPCOM_ENV_APP_PROXY_TRANSPORT_TCP
2201 "!", getpid (), vcm->cfg.app_proxy_transport_tcp);
2203 if (getenv (VPPCOM_ENV_APP_PROXY_TRANSPORT_UDP))
2205 vcm->cfg.app_proxy_transport_udp = 1;
2206 if (VPPCOM_DEBUG > 0)
2207 clib_warning ("VCL<%d>: configured app_proxy_transport_udp "
2209 VPPCOM_ENV_APP_PROXY_TRANSPORT_UDP
2210 "!", getpid (), vcm->cfg.app_proxy_transport_udp);
2212 if (getenv (VPPCOM_ENV_APP_SCOPE_LOCAL))
2214 vcm->cfg.app_scope_local = 1;
2215 if (VPPCOM_DEBUG > 0)
2216 clib_warning ("VCL<%d>: configured app_scope_local (%u) from "
2217 VPPCOM_ENV_APP_SCOPE_LOCAL
2218 "!", getpid (), vcm->cfg.app_scope_local);
2220 if (getenv (VPPCOM_ENV_APP_SCOPE_GLOBAL))
2222 vcm->cfg.app_scope_global = 1;
2223 if (VPPCOM_DEBUG > 0)
2224 clib_warning ("VCL<%d>: configured app_scope_global (%u) from "
2225 VPPCOM_ENV_APP_SCOPE_GLOBAL
2226 "!", getpid (), vcm->cfg.app_scope_global);
2229 vcm->main_cpu = os_get_thread_index ();
2230 heap = clib_mem_get_per_cpu_heap ();
2231 h = mheap_header (heap);
2233 /* make the main heap thread-safe */
2234 h->flags |= MHEAP_FLAG_THREAD_SAFE;
2236 vcm->session_index_by_vpp_handles = hash_create (0, sizeof (uword));
2238 clib_time_init (&vcm->clib_time);
2239 vppcom_init_error_string_table ();
2240 svm_fifo_segment_main_init (vcl_cfg->segment_baseva,
2241 20 /* timeout in secs */ );
2242 clib_spinlock_init (&vcm->sessions_lockp);
2245 if (vcm->my_client_index == ~0)
2248 /* API hookup and connect to VPP */
2249 vppcom_api_hookup ();
2250 vcm->app_state = STATE_APP_START;
2251 rv = vppcom_connect_to_vpp (app_name);
2254 clib_warning ("VCL<%d>: ERROR: couldn't connect to VPP!",
2259 /* State event handling thread */
2261 rv = vce_start_event_thread (&(vcm->event_thread), 20);
2264 if (VPPCOM_DEBUG > 0)
2265 clib_warning ("VCL<%d>: sending session enable", getpid ());
2267 rv = vppcom_app_session_enable ();
2270 clib_warning ("VCL<%d>: ERROR: vppcom_app_session_enable() "
2271 "failed!", getpid ());
2275 if (VPPCOM_DEBUG > 0)
2276 clib_warning ("VCL<%d>: sending app attach", getpid ());
2278 rv = vppcom_app_attach ();
2281 clib_warning ("VCL<%d>: ERROR: vppcom_app_attach() failed!",
2286 if (VPPCOM_DEBUG > 0)
2287 clib_warning ("VCL<%d>: app_name '%s', my_client_index %d (0x%x)",
2288 getpid (), app_name, vcm->my_client_index,
2289 vcm->my_client_index);
2296 vppcom_app_destroy (void)
2300 if (vcm->my_client_index == ~0)
2303 if (VPPCOM_DEBUG > 0)
2304 clib_warning ("VCL<%d>: detaching from VPP, my_client_index %d (0x%x)",
2305 getpid (), vcm->my_client_index, vcm->my_client_index);
2307 if (VPPCOM_DEBUG > 0)
2310 ELOG_TYPE_DECLARE (e) =
2312 .format = "app_detach:C:%d",
2313 .format_args = "i4",
2320 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, vcm->elog_track);
2321 ed->data = vcm->my_client_index;
2325 vppcom_app_detach ();
2326 rv = vppcom_wait_for_app_state_change (STATE_APP_ENABLED);
2327 if (PREDICT_FALSE (rv))
2329 if (VPPCOM_DEBUG > 0)
2330 clib_warning ("VCL<%d>: application detach timed out! "
2331 "returning %d (%s)",
2332 getpid (), rv, vppcom_retval_str (rv));
2335 /* Finished with logging before client gets reset to ~0 */
2336 if (VPPCOM_DEBUG > 0)
2339 vl_client_disconnect_from_vlib ();
2340 vcm->my_client_index = ~0;
2341 vcm->app_state = STATE_APP_START;
2345 vppcom_session_create (u8 proto, u8 is_nonblocking)
2349 session_state_t state;
2350 elog_track_t session_elog_track;
2352 clib_spinlock_lock (&vcm->sessions_lockp);
2353 pool_get (vcm->sessions, session);
2354 memset (session, 0, sizeof (*session));
2355 session_index = session - vcm->sessions;
2357 session->proto = proto;
2358 session->state = STATE_START;
2359 state = session->state;
2360 session->vpp_handle = ~0;
2363 VCL_SESS_ATTR_SET (session->attr, VCL_SESS_ATTR_NONBLOCK);
2365 VCL_SESS_ATTR_CLR (session->attr, VCL_SESS_ATTR_NONBLOCK);
2367 if (VPPCOM_DEBUG > 0)
2369 session->elog_track.name =
2370 (char *) format (0, "C:%d:S:%d%c", vcm->my_client_index,
2372 elog_track_register (&vcm->elog_main, &session->elog_track);
2373 session_elog_track = session->elog_track;
2376 clib_spinlock_unlock (&vcm->sessions_lockp);
2378 if (VPPCOM_DEBUG > 0)
2379 clib_warning ("VCL<%d>: sid %u", getpid (), session_index);
2381 if (VPPCOM_DEBUG > 0)
2384 ELOG_TYPE_DECLARE (e) =
2386 .format = "session_create:proto:%d state:%d is_nonblocking:%d",
2387 .format_args = "i4i4i4",
2395 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session_elog_track);
2396 ed->data[0] = proto;
2397 ed->data[1] = state;
2398 ed->data[2] = is_nonblocking;
2402 return (int) session_index;
2406 vppcom_session_close (uint32_t session_index)
2408 session_t *session = 0;
2416 session_state_t state;
2417 elog_track_t session_elog_track;
2419 VCL_LOCK_AND_GET_SESSION (session_index, &session);
2420 is_vep = session->is_vep;
2421 is_vep_session = session->is_vep_session;
2422 next_sid = session->vep.next_sid;
2423 vep_idx = session->vep.vep_idx;
2424 state = session->state;
2425 vpp_handle = session->vpp_handle;
2426 clib_spinlock_unlock (&vcm->sessions_lockp);
2429 * Why two if(VPPCOM_DEBUG) checks?
2431 * Eventually all clib_warnings need their own way of being
2432 * logged and signalled (like severity) where event logging
2433 * is a separate debugging tool. It will make the separation
2434 * easier. ... parting is such sweet sorrow ...
2436 if (VPPCOM_DEBUG > 0)
2438 session_elog_track = session->elog_track;
2441 if (VPPCOM_DEBUG > 0)
2444 clib_warning ("VCL<%d>: vep_idx %u / sid %u: "
2445 "closing epoll session...",
2446 getpid (), session_index, session_index);
2448 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %d: "
2449 "closing session...",
2450 getpid (), vpp_handle, session_index);
2455 while (next_sid != ~0)
2457 rv = vppcom_epoll_ctl (session_index, EPOLL_CTL_DEL, next_sid, 0);
2458 if ((VPPCOM_DEBUG > 0) && PREDICT_FALSE (rv < 0))
2459 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
2460 "EPOLL_CTL_DEL vep_idx %u failed! rv %d (%s)",
2461 getpid (), vpp_handle, next_sid, vep_idx,
2462 rv, vppcom_retval_str (rv));
2464 VCL_LOCK_AND_GET_SESSION (session_index, &session);
2465 next_sid = session->vep.next_sid;
2466 clib_spinlock_unlock (&vcm->sessions_lockp);
2473 rv = vppcom_epoll_ctl (vep_idx, EPOLL_CTL_DEL, session_index, 0);
2474 if ((VPPCOM_DEBUG > 0) && (rv < 0))
2475 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
2476 "EPOLL_CTL_DEL vep_idx %u failed! rv %d (%s)",
2477 getpid (), vpp_handle, session_index,
2478 vep_idx, rv, vppcom_retval_str (rv));
2481 if (state & STATE_LISTEN)
2483 rv = vppcom_session_unbind (session_index);
2484 if (PREDICT_FALSE (rv < 0))
2486 if (VPPCOM_DEBUG > 0)
2487 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
2488 "listener unbind failed! rv %d (%s)",
2489 getpid (), vpp_handle, session_index,
2490 rv, vppcom_retval_str (rv));
2494 else if (state & (CLIENT_STATE_OPEN | SERVER_STATE_OPEN))
2496 rv = vppcom_session_disconnect (session_index);
2497 if (PREDICT_FALSE (rv < 0))
2498 clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: "
2499 "session disconnect failed! rv %d (%s)",
2500 getpid (), vpp_handle, session_index,
2501 rv, vppcom_retval_str (rv));
2505 VCL_LOCK_AND_GET_SESSION (session_index, &session);
2506 vpp_handle = session->vpp_handle;
2507 if (vpp_handle != ~0)
2509 p = hash_get (vcm->session_index_by_vpp_handles, vpp_handle);
2511 hash_unset (vcm->session_index_by_vpp_handles, vpp_handle);
2513 pool_put_index (vcm->sessions, session_index);
2515 clib_spinlock_unlock (&vcm->sessions_lockp);
2517 if (VPPCOM_DEBUG > 0)
2520 clib_warning ("VCL<%d>: vep_idx %u / sid %u: epoll session removed.",
2521 getpid (), session_index, session_index);
2523 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: session removed.",
2524 getpid (), vpp_handle, session_index);
2528 if (VPPCOM_DEBUG > 0)
2531 ELOG_TYPE_DECLARE (e) =
2533 .format = "session_close:rv:%d",
2534 .format_args = "i4",
2542 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session_elog_track);
2551 vppcom_session_bind (uint32_t session_index, vppcom_endpt_t * ep)
2553 session_t *session = 0;
2557 return VPPCOM_EINVAL;
2559 VCL_LOCK_AND_GET_SESSION (session_index, &session);
2561 if (session->is_vep)
2563 clib_spinlock_unlock (&vcm->sessions_lockp);
2564 clib_warning ("VCL<%d>: ERROR: sid %u: cannot "
2565 "bind to an epoll session!", getpid (), session_index);
2570 session->lcl_addr.is_ip4 = ep->is_ip4;
2571 session->lcl_addr.ip46 = to_ip46 (!ep->is_ip4, ep->ip);
2572 session->lcl_port = ep->port;
2574 if (VPPCOM_DEBUG > 0)
2575 clib_warning ("VCL<%d>: sid %u: binding to local %s address %U "
2576 "port %u, proto %s", getpid (), session_index,
2577 session->lcl_addr.is_ip4 ? "IPv4" : "IPv6",
2578 format_ip46_address, &session->lcl_addr.ip46,
2579 session->lcl_addr.is_ip4,
2580 clib_net_to_host_u16 (session->lcl_port),
2581 session->proto ? "UDP" : "TCP");
2583 if (VPPCOM_DEBUG > 0)
2585 if (session->lcl_addr.is_ip4)
2588 ELOG_TYPE_DECLARE (e) =
2590 .format = "bind local:%s:%d.%d.%d.%d:%d ",
2591 .format_args = "t1i1i1i1i1i2",
2592 .n_enum_strings = 2,
2593 .enum_strings = {"TCP", "UDP",},
2596 CLIB_PACKED (struct {
2602 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
2603 ed->proto = session->proto;
2604 ed->addr[0] = session->lcl_addr.ip46.ip4.as_u8[0];
2605 ed->addr[1] = session->lcl_addr.ip46.ip4.as_u8[1];
2606 ed->addr[2] = session->lcl_addr.ip46.ip4.as_u8[2];
2607 ed->addr[3] = session->lcl_addr.ip46.ip4.as_u8[3];
2608 ed->port = clib_net_to_host_u16 (session->lcl_port);
2613 clib_spinlock_unlock (&vcm->sessions_lockp);
2619 vppcom_session_listen (uint32_t listen_session_index, uint32_t q_len)
2621 session_t *listen_session = 0;
2622 u64 listen_vpp_handle;
2625 if (q_len == 0 || q_len == ~0)
2626 q_len = vcm->cfg.listen_queue_size;
2628 VCL_LOCK_AND_GET_SESSION (listen_session_index, &listen_session);
2630 if (listen_session->is_vep)
2632 clib_spinlock_unlock (&vcm->sessions_lockp);
2633 clib_warning ("VCL<%d>: ERROR: sid %u: cannot listen on an "
2634 "epoll session!", getpid (), listen_session_index);
2639 listen_vpp_handle = listen_session->vpp_handle;
2640 if (listen_session->state & STATE_LISTEN)
2642 clib_spinlock_unlock (&vcm->sessions_lockp);
2643 if (VPPCOM_DEBUG > 0)
2644 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
2645 "already in listen state!",
2646 getpid (), listen_vpp_handle, listen_session_index);
2651 if (VPPCOM_DEBUG > 0)
2652 clib_warning ("VCL<%d>: vpp handle 0x%llx, "
2653 "sid %u: sending bind request...",
2654 getpid (), listen_vpp_handle, listen_session_index);
2656 vppcom_send_bind_sock (listen_session, listen_session_index);
2657 clib_spinlock_unlock (&vcm->sessions_lockp);
2659 vppcom_wait_for_session_state_change (listen_session_index, STATE_LISTEN,
2660 vcm->cfg.session_timeout);
2662 VCL_LOCK_AND_GET_SESSION (listen_session_index, &listen_session);
2663 if (PREDICT_FALSE (retval))
2665 if (VPPCOM_DEBUG > 0)
2666 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: bind failed! "
2667 "returning %d (%s)", getpid (),
2668 listen_session->vpp_handle, listen_session_index,
2669 retval, vppcom_retval_str (retval));
2670 clib_spinlock_unlock (&vcm->sessions_lockp);
2675 clib_fifo_validate (vcm->client_session_index_fifo, q_len);
2676 clib_spinlock_unlock (&vcm->sessions_lockp);
2682 validate_args_session_accept_ (session_t * listen_session)
2684 u32 listen_session_index = listen_session - vcm->sessions;
2686 /* Input validation - expects spinlock on sessions_lockp */
2687 if (listen_session->is_vep)
2689 clib_warning ("VCL<%d>: ERROR: sid %u: cannot accept on an "
2690 "epoll session!", getpid (), listen_session_index);
2691 return VPPCOM_EBADFD;
2694 if (listen_session->state != STATE_LISTEN)
2696 clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: "
2697 "not in listen state! state 0x%x (%s)", getpid (),
2698 listen_session->vpp_handle, listen_session_index,
2699 listen_session->state,
2700 vppcom_session_state_str (listen_session->state));
2701 return VPPCOM_EBADFD;
2707 vppcom_session_accept (uint32_t listen_session_index, vppcom_endpt_t * ep,
2710 session_t *listen_session = 0;
2711 session_t *client_session = 0;
2712 u32 client_session_index = ~0;
2714 u64 listen_vpp_handle;
2715 vce_event_handler_reg_t *reg;
2717 vce_event_connect_request_t *result;
2720 int millisecond_timeout = 1;
2721 int hours_timeout = 20 * 60 * 60;
2723 VCL_LOCK_AND_GET_SESSION (listen_session_index, &listen_session);
2724 listen_vpp_handle = listen_session->vpp_handle; // For debugging
2726 rv = validate_args_session_accept_ (listen_session);
2729 clib_spinlock_unlock (&vcm->sessions_lockp);
2733 /* Using an aggressive timer of 1ms and a generous timer of
2734 * 20 hours, we can implement a blocking and non-blocking listener
2735 * as both event and time driven */
2736 gettimeofday (&tv, NULL);
2737 ts.tv_nsec = (tv.tv_usec * 1000) + (1000 * millisecond_timeout);
2738 ts.tv_sec = tv.tv_sec;
2740 /* Predict that the Listener is blocking more often than not */
2741 if (PREDICT_TRUE (!VCL_SESS_ATTR_TEST (listen_session->attr,
2742 VCL_SESS_ATTR_NONBLOCK)))
2743 ts.tv_sec += hours_timeout;
2745 clib_spinlock_unlock (&vcm->sessions_lockp);
2747 /* Register handler for connect_request event on listen_session_index */
2748 vce_event_key_t evk;
2749 evk.session_index = listen_session_index;
2750 evk.eid = VCL_EVENT_CONNECT_REQ_ACCEPTED;
2751 reg = vce_register_handler (&vcm->event_thread, &evk,
2752 vce_connect_request_handler_fn);
2753 ev = vce_get_event_from_index (&vcm->event_thread, reg->ev_idx);
2755 result = (vce_event_connect_request_t *) ev->data;
2756 pthread_mutex_lock (®->handler_lock);
2757 while (!result->handled)
2760 pthread_cond_timedwait (®->handler_cond, ®->handler_lock, &ts);
2761 if (rv == ETIMEDOUT)
2767 client_session_index = result->accepted_session_index;
2771 /* Remove from the FIFO used to service epoll */
2772 clib_spinlock_lock (&vcm->sessions_lockp);
2773 if (clib_fifo_elts (vcm->client_session_index_fifo))
2775 u32 tmp_client_session_index;
2776 clib_fifo_sub1 (vcm->client_session_index_fifo,
2777 tmp_client_session_index);
2778 if (tmp_client_session_index != client_session_index)
2779 clib_fifo_add1 (vcm->client_session_index_fifo,
2780 tmp_client_session_index);
2782 clib_spinlock_unlock (&vcm->sessions_lockp);
2784 rv = vppcom_session_at_index (client_session_index, &client_session);
2785 if (PREDICT_FALSE (rv))
2787 rv = VPPCOM_ECONNABORTED;
2788 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: client sid %u "
2789 "lookup failed! returning %d (%s)", getpid (),
2790 listen_vpp_handle, listen_session_index,
2791 client_session_index, rv, vppcom_retval_str (rv));
2795 if (flags & O_NONBLOCK)
2796 VCL_SESS_ATTR_SET (client_session->attr, VCL_SESS_ATTR_NONBLOCK);
2798 VCL_SESS_ATTR_CLR (client_session->attr, VCL_SESS_ATTR_NONBLOCK);
2800 if (VPPCOM_DEBUG > 0)
2801 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: Got a client request! "
2802 "vpp handle 0x%llx, sid %u, flags %d, is_nonblocking %u",
2803 getpid (), listen_vpp_handle, listen_session_index,
2804 client_session->vpp_handle, client_session_index,
2805 flags, VCL_SESS_ATTR_TEST (client_session->attr,
2806 VCL_SESS_ATTR_NONBLOCK));
2810 ep->is_ip4 = client_session->peer_addr.is_ip4;
2811 ep->port = client_session->peer_port;
2812 if (client_session->peer_addr.is_ip4)
2813 clib_memcpy (ep->ip, &client_session->peer_addr.ip46.ip4,
2814 sizeof (ip4_address_t));
2816 clib_memcpy (ep->ip, &client_session->peer_addr.ip46.ip6,
2817 sizeof (ip6_address_t));
2820 vppcom_send_accept_session_reply (client_session->vpp_handle,
2821 client_session->client_context,
2822 0 /* retval OK */ );
2824 if (VPPCOM_DEBUG > 0)
2825 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: accepted vpp handle "
2826 "0x%llx, sid %u connection to local %s address "
2827 "%U port %u", getpid (), listen_vpp_handle,
2828 listen_session_index, client_session->vpp_handle,
2829 client_session_index,
2830 client_session->lcl_addr.is_ip4 ? "IPv4" : "IPv6",
2831 format_ip46_address, &client_session->lcl_addr.ip46,
2832 client_session->lcl_addr.is_ip4,
2833 clib_net_to_host_u16 (client_session->lcl_port));
2835 if (VPPCOM_DEBUG > 0)
2837 client_session->elog_track.name =
2838 (char *) format (0, "C:%d:S:%d%c", vcm->my_client_index,
2839 client_session_index, 0);
2840 elog_track_register (&vcm->elog_main, &client_session->elog_track);
2842 // Two elog entries due to 20-byte per entry constraint.
2844 ELOG_TYPE_DECLARE (e) =
2846 .format = "accept: listen_handle:%x from_handle:%x",
2847 .format_args = "i8i8",
2855 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, client_session->elog_track);
2856 ed->handle[0] = listen_vpp_handle;
2857 ed->handle[1] = client_session->vpp_handle;
2860 if (client_session->lcl_addr.is_ip4)
2863 ELOG_TYPE_DECLARE (e2) =
2865 .format = "accept: S:%d %d.%d.%d.%d:%d ",
2866 .format_args = "i4i1i1i1i1i2",
2869 CLIB_PACKED (struct {
2876 ELOG_TRACK_DATA (&vcm->elog_main, e2, client_session->elog_track);
2877 ed2->session = client_session_index;
2878 ed2->addr[0] = client_session->lcl_addr.ip46.ip4.as_u8[0];
2879 ed2->addr[1] = client_session->lcl_addr.ip46.ip4.as_u8[1];
2880 ed2->addr[2] = client_session->lcl_addr.ip46.ip4.as_u8[2];
2881 ed2->addr[3] = client_session->lcl_addr.ip46.ip4.as_u8[3];
2882 ed2->port = clib_net_to_host_u16 (client_session->lcl_port);
2887 clib_spinlock_unlock (&vcm->sessions_lockp);
2888 rv = (int) client_session_index;
2890 vce_clear_event (&vcm->event_thread, ev);
2892 vce_unregister_handler (&vcm->event_thread, ev);
2893 pthread_mutex_unlock (®->handler_lock);
2899 vppcom_session_connect (uint32_t session_index, vppcom_endpt_t * server_ep)
2901 session_t *session = 0;
2903 int rv, retval = VPPCOM_OK;
2905 VCL_LOCK_AND_GET_SESSION (session_index, &session);
2907 if (PREDICT_FALSE (session->is_vep))
2909 clib_spinlock_unlock (&vcm->sessions_lockp);
2910 clib_warning ("VCL<%d>: ERROR: sid %u: cannot "
2911 "connect on an epoll session!", getpid (), session_index);
2916 if (PREDICT_FALSE (session->state & CLIENT_STATE_OPEN))
2918 if (VPPCOM_DEBUG > 0)
2919 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: session already "
2920 "connected to %s %U port %d proto %s, state 0x%x (%s)",
2921 getpid (), session->vpp_handle, session_index,
2922 session->peer_addr.is_ip4 ? "IPv4" : "IPv6",
2923 format_ip46_address,
2924 &session->peer_addr.ip46, session->peer_addr.is_ip4,
2925 clib_net_to_host_u16 (session->peer_port),
2926 session->proto ? "UDP" : "TCP", session->state,
2927 vppcom_session_state_str (session->state));
2929 clib_spinlock_unlock (&vcm->sessions_lockp);
2933 session->peer_addr.is_ip4 = server_ep->is_ip4;
2934 session->peer_addr.ip46 = to_ip46 (!server_ep->is_ip4, server_ep->ip);
2935 session->peer_port = server_ep->port;
2937 if (VPPCOM_DEBUG > 0)
2938 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: connecting to server "
2939 "%s %U port %d proto %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");
2947 vppcom_send_connect_sock (session, session_index);
2948 clib_spinlock_unlock (&vcm->sessions_lockp);
2951 vppcom_wait_for_session_state_change (session_index, STATE_CONNECT,
2952 vcm->cfg.session_timeout);
2954 VCL_LOCK_AND_GET_SESSION (session_index, &session);
2955 vpp_handle = session->vpp_handle;
2956 clib_spinlock_unlock (&vcm->sessions_lockp);
2959 if (PREDICT_FALSE (retval))
2962 if (VPPCOM_DEBUG > 0)
2966 ("VCL<%d>: vpp handle 0x%llx, sid %u: connect failed! "
2967 "returning %d (%s)", getpid (), vpp_handle,
2968 session_index, rv, vppcom_retval_str (rv));
2970 clib_warning ("VCL<%d>: no session for sid %u: connect failed! "
2971 "returning %d (%s)", getpid (),
2972 session_index, rv, vppcom_retval_str (rv));
2975 else if (VPPCOM_DEBUG > 0)
2976 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: connected!",
2977 getpid (), vpp_handle, session_index);
2983 vppcom_session_read_internal (uint32_t session_index, void *buf, int n,
2986 session_t *session = 0;
2987 svm_fifo_t *rx_fifo;
2994 session_state_t state;
2998 VCL_LOCK_AND_GET_SESSION (session_index, &session);
3000 is_nonblocking = VCL_SESS_ATTR_TEST (session->attr, VCL_SESS_ATTR_NONBLOCK);
3001 rx_fifo = session->rx_fifo;
3002 state = session->state;
3003 vpp_handle = session->vpp_handle;
3005 if (PREDICT_FALSE (session->is_vep))
3007 clib_spinlock_unlock (&vcm->sessions_lockp);
3008 clib_warning ("VCL<%d>: ERROR: sid %u: cannot "
3009 "read from an epoll session!", getpid (), session_index);
3014 if (PREDICT_FALSE (!(state & (SERVER_STATE_OPEN | CLIENT_STATE_OPEN))))
3016 clib_spinlock_unlock (&vcm->sessions_lockp);
3017 rv = ((state & STATE_DISCONNECT) ? VPPCOM_ECONNRESET : VPPCOM_ENOTCONN);
3019 if (VPPCOM_DEBUG > 0)
3020 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: %s session is "
3021 "not open! state 0x%x (%s), returning %d (%s)",
3022 getpid (), vpp_handle, session_index, state,
3023 vppcom_session_state_str (state),
3024 rv, vppcom_retval_str (rv));
3028 clib_spinlock_unlock (&vcm->sessions_lockp);
3033 n_read = svm_fifo_peek (rx_fifo, 0, n, buf);
3035 n_read = svm_fifo_dequeue_nowait (rx_fifo, n, buf);
3037 while (!is_nonblocking && (n_read <= 0));
3041 VCL_LOCK_AND_GET_SESSION (session_index, &session);
3043 poll_et = (((EPOLLET | EPOLLIN) & session->vep.ev.events) ==
3044 (EPOLLET | EPOLLIN));
3046 session->vep.et_mask |= EPOLLIN;
3048 if (state & STATE_CLOSE_ON_EMPTY)
3050 rv = VPPCOM_ECONNRESET;
3052 if (VPPCOM_DEBUG > 1)
3054 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: Empty fifo "
3055 "with session state 0x%x (%s)!"
3056 " Setting state to 0x%x (%s), returning %d (%s)",
3057 getpid (), session->vpp_handle, session_index,
3058 state, vppcom_session_state_str (state),
3060 vppcom_session_state_str (STATE_DISCONNECT), rv,
3061 vppcom_retval_str (rv));
3064 session->state = STATE_DISCONNECT;
3069 clib_spinlock_unlock (&vcm->sessions_lockp);
3074 if (VPPCOM_DEBUG > 2)
3077 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: read %d bytes "
3078 "from (%p)", getpid (), vpp_handle,
3079 session_index, n_read, rx_fifo);
3081 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: nothing read! "
3082 "returning %d (%s)", getpid (), vpp_handle,
3083 session_index, rv, vppcom_retval_str (rv));
3090 vppcom_session_read (uint32_t session_index, void *buf, size_t n)
3092 return (vppcom_session_read_internal (session_index, buf, n, 0));
3096 vppcom_session_peek (uint32_t session_index, void *buf, int n)
3098 return (vppcom_session_read_internal (session_index, buf, n, 1));
3102 vppcom_session_read_ready (session_t * session, u32 session_index)
3107 session_state_t state = session->state;
3108 u64 vpp_handle = session->vpp_handle;
3110 /* Assumes caller has acquired spinlock: vcm->sessions_lockp */
3111 if (PREDICT_FALSE (session->is_vep))
3113 clib_warning ("VCL<%d>: ERROR: sid %u: cannot read from an "
3114 "epoll session!", getpid (), session_index);
3119 if (session->state & STATE_LISTEN)
3121 ready = clib_fifo_elts (vcm->client_session_index_fifo);
3125 if (!(state & (SERVER_STATE_OPEN | CLIENT_STATE_OPEN | STATE_LISTEN)))
3127 rv = ((state & STATE_DISCONNECT) ? VPPCOM_ECONNRESET :
3130 if (VPPCOM_DEBUG > 1)
3131 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: session is "
3132 "not open! state 0x%x (%s), returning %d (%s)",
3133 getpid (), vpp_handle, session_index,
3134 state, vppcom_session_state_str (state),
3135 rv, vppcom_retval_str (rv));
3139 ready = svm_fifo_max_dequeue (session->rx_fifo);
3145 ((EPOLLET | EPOLLIN) & session->vep.ev.events) == (EPOLLET | EPOLLIN);
3147 session->vep.et_mask |= EPOLLIN;
3149 if (state & STATE_CLOSE_ON_EMPTY)
3151 rv = VPPCOM_ECONNRESET;
3153 if (VPPCOM_DEBUG > 1)
3155 clib_warning ("VCL<%d>: vpp handle 0x%llx, "
3156 "sid %u: Empty fifo with"
3157 " session state 0x%x (%s)! Setting state to "
3158 "0x%x (%s), returning %d (%s)",
3159 getpid (), session_index, vpp_handle,
3160 state, vppcom_session_state_str (state),
3162 vppcom_session_state_str (STATE_DISCONNECT), rv,
3163 vppcom_retval_str (rv));
3165 session->state = STATE_DISCONNECT;
3171 if (vcm->app_event_queue->cursize &&
3172 !pthread_mutex_trylock (&vcm->app_event_queue->mutex))
3174 u32 i, n_to_dequeue = vcm->app_event_queue->cursize;
3175 session_fifo_event_t e;
3177 for (i = 0; i < n_to_dequeue; i++)
3178 svm_queue_sub_raw (vcm->app_event_queue, (u8 *) & e);
3180 pthread_mutex_unlock (&vcm->app_event_queue->mutex);
3187 vppcom_session_write (uint32_t session_index, void *buf, size_t n)
3189 session_t *session = 0;
3190 svm_fifo_t *tx_fifo = 0;
3192 session_fifo_event_t evt;
3193 session_state_t state;
3194 int rv, n_write, is_nonblocking;
3200 VCL_LOCK_AND_GET_SESSION (session_index, &session);
3202 tx_fifo = session->tx_fifo;
3203 is_nonblocking = VCL_SESS_ATTR_TEST (session->attr, VCL_SESS_ATTR_NONBLOCK);
3204 vpp_handle = session->vpp_handle;
3205 state = session->state;
3207 if (PREDICT_FALSE (session->is_vep))
3209 clib_spinlock_unlock (&vcm->sessions_lockp);
3210 clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: "
3211 "cannot write to an epoll session!",
3212 getpid (), vpp_handle, session_index);
3218 if (!(session->state & (SERVER_STATE_OPEN | CLIENT_STATE_OPEN)))
3221 ((session->state & STATE_DISCONNECT) ? VPPCOM_ECONNRESET :
3224 clib_spinlock_unlock (&vcm->sessions_lockp);
3225 if (VPPCOM_DEBUG > 1)
3226 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
3227 "session is not open! state 0x%x (%s)",
3228 getpid (), vpp_handle, session_index,
3229 state, vppcom_session_state_str (state));
3233 clib_spinlock_unlock (&vcm->sessions_lockp);
3237 n_write = svm_fifo_enqueue_nowait (tx_fifo, n, (void *) buf);
3239 while (!is_nonblocking && (n_write <= 0));
3241 /* If event wasn't set, add one */
3242 if ((n_write > 0) && svm_fifo_set_event (tx_fifo))
3244 /* Fabricate TX event, send to vpp */
3246 evt.event_type = FIFO_EVENT_APP_TX;
3248 VCL_LOCK_AND_GET_SESSION (session_index, &session);
3249 q = session->vpp_event_queue;
3251 svm_queue_add (q, (u8 *) & evt, 0 /* do wait for mutex */ );
3252 clib_spinlock_unlock (&vcm->sessions_lockp);
3253 if (VPPCOM_DEBUG > 1)
3254 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
3255 "added FIFO_EVENT_APP_TX to "
3256 "vpp_event_q %p, n_write %d", getpid (),
3257 vpp_handle, session_index, q, n_write);
3262 VCL_LOCK_AND_GET_SESSION (session_index, &session);
3264 poll_et = (((EPOLLET | EPOLLOUT) & session->vep.ev.events) ==
3265 (EPOLLET | EPOLLOUT));
3267 session->vep.et_mask |= EPOLLOUT;
3269 if (session->state & STATE_CLOSE_ON_EMPTY)
3271 rv = VPPCOM_ECONNRESET;
3273 if (VPPCOM_DEBUG > 1)
3275 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
3276 "Empty fifo with session state 0x%x (%s)!"
3277 " Setting state to 0x%x (%s), returning %d (%s)",
3278 getpid (), session->vpp_handle, session_index,
3280 vppcom_session_state_str (session->state),
3282 vppcom_session_state_str (STATE_DISCONNECT), rv,
3283 vppcom_retval_str (rv));
3286 session->state = STATE_DISCONNECT;
3291 clib_spinlock_unlock (&vcm->sessions_lockp);
3296 if (VPPCOM_DEBUG > 2)
3299 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
3300 "FIFO-FULL (%p)", getpid (), vpp_handle,
3301 session_index, tx_fifo);
3303 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
3304 "wrote %d bytes tx-fifo: (%p)", getpid (),
3305 vpp_handle, session_index, n_write, tx_fifo);
3312 vppcom_session_write_ready (session_t * session, u32 session_index)
3320 /* Assumes caller has acquired spinlock: vcm->sessions_lockp */
3321 if (PREDICT_FALSE (session->is_vep))
3323 clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: "
3324 "cannot write to an epoll session!",
3325 getpid (), session->vpp_handle, session_index);
3330 if (PREDICT_FALSE (session->state & STATE_LISTEN))
3332 clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: "
3333 "cannot write to a listen session!",
3334 getpid (), session->vpp_handle, session_index);
3339 if (!(session->state & (SERVER_STATE_OPEN | CLIENT_STATE_OPEN)))
3341 session_state_t state = session->state;
3343 rv = ((state & STATE_DISCONNECT) ? VPPCOM_ECONNRESET : VPPCOM_ENOTCONN);
3345 clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: "
3346 "session is not open! state 0x%x (%s), "
3347 "returning %d (%s)", getpid (), session->vpp_handle,
3349 state, vppcom_session_state_str (state),
3350 rv, vppcom_retval_str (rv));
3354 ready = svm_fifo_max_enqueue (session->tx_fifo);
3356 if (VPPCOM_DEBUG > 3)
3357 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
3358 "peek %s (%p), ready = %d", getpid (),
3359 session->vpp_handle, session_index,
3360 session->tx_fifo, ready);
3364 poll_et = (((EPOLLET | EPOLLOUT) & session->vep.ev.events) ==
3365 (EPOLLET | EPOLLOUT));
3367 session->vep.et_mask |= EPOLLOUT;
3369 if (session->state & STATE_CLOSE_ON_EMPTY)
3371 rv = VPPCOM_ECONNRESET;
3373 if (VPPCOM_DEBUG > 1)
3375 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
3376 "Empty fifo with session "
3377 "state 0x%x (%s)! Setting state to 0x%x (%s), "
3378 "returning %d (%s)", getpid (),
3379 session->vpp_handle, session_index,
3381 vppcom_session_state_str (session->state),
3383 vppcom_session_state_str (STATE_DISCONNECT), rv,
3384 vppcom_retval_str (rv));
3386 session->state = STATE_DISCONNECT;
3396 vppcom_select (unsigned long n_bits, unsigned long *read_map,
3397 unsigned long *write_map, unsigned long *except_map,
3398 double time_to_wait)
3401 session_t *session = 0;
3402 int rv, bits_set = 0;
3403 f64 timeout = clib_time_now (&vcm->clib_time) + time_to_wait;
3404 u32 minbits = clib_max (n_bits, BITS (uword));
3406 ASSERT (sizeof (clib_bitmap_t) == sizeof (long int));
3408 if (n_bits && read_map)
3410 clib_bitmap_validate (vcm->rd_bitmap, minbits);
3411 clib_memcpy (vcm->rd_bitmap, read_map,
3412 vec_len (vcm->rd_bitmap) * sizeof (clib_bitmap_t));
3413 memset (read_map, 0, vec_len (vcm->rd_bitmap) * sizeof (clib_bitmap_t));
3415 if (n_bits && write_map)
3417 clib_bitmap_validate (vcm->wr_bitmap, minbits);
3418 clib_memcpy (vcm->wr_bitmap, write_map,
3419 vec_len (vcm->wr_bitmap) * sizeof (clib_bitmap_t));
3420 memset (write_map, 0,
3421 vec_len (vcm->wr_bitmap) * sizeof (clib_bitmap_t));
3423 if (n_bits && except_map)
3425 clib_bitmap_validate (vcm->ex_bitmap, minbits);
3426 clib_memcpy (vcm->ex_bitmap, except_map,
3427 vec_len (vcm->ex_bitmap) * sizeof (clib_bitmap_t));
3428 memset (except_map, 0,
3429 vec_len (vcm->ex_bitmap) * sizeof (clib_bitmap_t));
3439 clib_bitmap_foreach (session_index, vcm->rd_bitmap,
3441 clib_spinlock_lock (&vcm->sessions_lockp);
3442 rv = vppcom_session_at_index (session_index, &session);
3445 clib_spinlock_unlock (&vcm->sessions_lockp);
3446 if (VPPCOM_DEBUG > 1)
3447 clib_warning ("VCL<%d>: session %d specified in "
3448 "read_map is closed.", getpid (),
3450 bits_set = VPPCOM_EBADFD;
3454 rv = vppcom_session_read_ready (session, session_index);
3455 clib_spinlock_unlock (&vcm->sessions_lockp);
3456 if (except_map && vcm->ex_bitmap &&
3457 clib_bitmap_get (vcm->ex_bitmap, session_index) &&
3460 clib_bitmap_set_no_check (except_map, session_index, 1);
3465 clib_bitmap_set_no_check (read_map, session_index, 1);
3473 clib_bitmap_foreach (session_index, vcm->wr_bitmap,
3475 clib_spinlock_lock (&vcm->sessions_lockp);
3476 rv = vppcom_session_at_index (session_index, &session);
3479 clib_spinlock_unlock (&vcm->sessions_lockp);
3480 if (VPPCOM_DEBUG > 0)
3481 clib_warning ("VCL<%d>: session %d specified in "
3482 "write_map is closed.", getpid (),
3484 bits_set = VPPCOM_EBADFD;
3488 rv = vppcom_session_write_ready (session, session_index);
3489 clib_spinlock_unlock (&vcm->sessions_lockp);
3490 if (write_map && (rv > 0))
3492 clib_bitmap_set_no_check (write_map, session_index, 1);
3500 clib_bitmap_foreach (session_index, vcm->ex_bitmap,
3502 clib_spinlock_lock (&vcm->sessions_lockp);
3503 rv = vppcom_session_at_index (session_index, &session);
3506 clib_spinlock_unlock (&vcm->sessions_lockp);
3507 if (VPPCOM_DEBUG > 1)
3508 clib_warning ("VCL<%d>: session %d specified in "
3509 "except_map is closed.", getpid (),
3511 bits_set = VPPCOM_EBADFD;
3515 rv = vppcom_session_read_ready (session, session_index);
3516 clib_spinlock_unlock (&vcm->sessions_lockp);
3519 clib_bitmap_set_no_check (except_map, session_index, 1);
3527 while ((time_to_wait == -1) || (clib_time_now (&vcm->clib_time) < timeout));
3534 vep_verify_epoll_chain (u32 vep_idx)
3537 vppcom_epoll_t *vep;
3541 if (VPPCOM_DEBUG <= 1)
3544 /* Assumes caller has acquired spinlock: vcm->sessions_lockp */
3545 rv = vppcom_session_at_index (vep_idx, &session);
3546 if (PREDICT_FALSE (rv))
3548 clib_warning ("VCL<%d>: ERROR: Invalid vep_idx (%u)!",
3549 getpid (), vep_idx);
3552 if (PREDICT_FALSE (!session->is_vep))
3554 clib_warning ("VCL<%d>: ERROR: vep_idx (%u) is not a vep!",
3555 getpid (), vep_idx);
3558 vep = &session->vep;
3559 clib_warning ("VCL<%d>: vep_idx (%u): Dumping epoll chain\n"
3562 " is_vep_session = %u\n"
3563 " next_sid = 0x%x (%u)\n"
3564 " wait_cont_idx = 0x%x (%u)\n"
3565 "}\n", getpid (), vep_idx,
3566 session->is_vep, session->is_vep_session,
3567 vep->next_sid, vep->next_sid,
3568 session->wait_cont_idx, session->wait_cont_idx);
3570 for (sid = vep->next_sid; sid != ~0; sid = vep->next_sid)
3572 rv = vppcom_session_at_index (sid, &session);
3573 if (PREDICT_FALSE (rv))
3575 clib_warning ("VCL<%d>: ERROR: Invalid sid (%u)!", getpid (), sid);
3578 if (PREDICT_FALSE (session->is_vep))
3579 clib_warning ("VCL<%d>: ERROR: sid (%u) is a vep!",
3580 getpid (), vep_idx);
3581 else if (PREDICT_FALSE (!session->is_vep_session))
3583 clib_warning ("VCL<%d>: ERROR: session (%u) "
3584 "is not a vep session!", getpid (), sid);
3587 vep = &session->vep;
3588 if (PREDICT_FALSE (vep->vep_idx != vep_idx))
3589 clib_warning ("VCL<%d>: ERROR: session (%u) vep_idx (%u) != "
3590 "vep_idx (%u)!", getpid (),
3591 sid, session->vep.vep_idx, vep_idx);
3592 if (session->is_vep_session)
3594 clib_warning ("vep_idx[%u]: sid 0x%x (%u)\n"
3596 " next_sid = 0x%x (%u)\n"
3597 " prev_sid = 0x%x (%u)\n"
3598 " vep_idx = 0x%x (%u)\n"
3599 " ev.events = 0x%x\n"
3600 " ev.data.u64 = 0x%llx\n"
3604 vep->next_sid, vep->next_sid,
3605 vep->prev_sid, vep->prev_sid,
3606 vep->vep_idx, vep->vep_idx,
3607 vep->ev.events, vep->ev.data.u64, vep->et_mask);
3612 clib_warning ("VCL<%d>: vep_idx (%u): Dump complete!\n",
3613 getpid (), vep_idx);
3617 vppcom_epoll_create (void)
3619 session_t *vep_session;
3621 elog_track_t vep_elog_track;
3623 clib_spinlock_lock (&vcm->sessions_lockp);
3624 pool_get (vcm->sessions, vep_session);
3625 memset (vep_session, 0, sizeof (*vep_session));
3626 vep_idx = vep_session - vcm->sessions;
3628 vep_session->is_vep = 1;
3629 vep_session->vep.vep_idx = ~0;
3630 vep_session->vep.next_sid = ~0;
3631 vep_session->vep.prev_sid = ~0;
3632 vep_session->wait_cont_idx = ~0;
3633 vep_session->vpp_handle = ~0;
3634 vep_session->poll_reg = 0;
3636 if (VPPCOM_DEBUG > 0)
3638 vep_session->elog_track.name =
3639 (char *) format (0, "C:%d:VEP:%d%c", vcm->my_client_index,
3641 elog_track_register (&vcm->elog_main, &vep_session->elog_track);
3642 vep_elog_track = vep_session->elog_track;
3645 clib_spinlock_unlock (&vcm->sessions_lockp);
3647 if (VPPCOM_DEBUG > 0)
3648 clib_warning ("VCL<%d>: Created vep_idx %u / sid %u!",
3649 getpid (), vep_idx, vep_idx);
3651 if (VPPCOM_DEBUG > 0)
3655 ELOG_TYPE_DECLARE (e) =
3657 .format = "created epoll session:%d",
3658 .format_args = "i4",
3666 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, vep_elog_track);
3675 vppcom_epoll_ctl (uint32_t vep_idx, int op, uint32_t session_index,
3676 struct epoll_event *event)
3678 session_t *vep_session;
3680 vce_event_t *ev = 0;
3683 if (vep_idx == session_index)
3685 clib_warning ("VCL<%d>: ERROR: vep_idx == session_index (%u)!",
3686 getpid (), vep_idx);
3687 return VPPCOM_EINVAL;
3690 clib_spinlock_lock (&vcm->sessions_lockp);
3691 rv = vppcom_session_at_index (vep_idx, &vep_session);
3692 if (PREDICT_FALSE (rv))
3694 clib_warning ("VCL<%d>: ERROR: Invalid vep_idx (%u)!", vep_idx);
3697 if (PREDICT_FALSE (!vep_session->is_vep))
3699 clib_warning ("VCL<%d>: ERROR: vep_idx (%u) is not a vep!",
3700 getpid (), vep_idx);
3705 ASSERT (vep_session->vep.vep_idx == ~0);
3706 ASSERT (vep_session->vep.prev_sid == ~0);
3708 rv = vppcom_session_at_index (session_index, &session);
3709 if (PREDICT_FALSE (rv))
3711 if (VPPCOM_DEBUG > 0)
3712 clib_warning ("VCL<%d>: ERROR: Invalid session_index (%u)!",
3713 getpid (), session_index);
3716 if (PREDICT_FALSE (session->is_vep))
3718 clib_warning ("ERROR: session_index (%u) is a vep!", vep_idx);
3726 if (PREDICT_FALSE (!event))
3728 clib_warning ("VCL<%d>: ERROR: EPOLL_CTL_ADD: NULL pointer to "
3729 "epoll_event structure!", getpid ());
3733 if (vep_session->vep.next_sid != ~0)
3735 session_t *next_session;
3736 rv = vppcom_session_at_index (vep_session->vep.next_sid,
3738 if (PREDICT_FALSE (rv))
3740 clib_warning ("VCL<%d>: ERROR: EPOLL_CTL_ADD: Invalid "
3741 "vep.next_sid (%u) on vep_idx (%u)!",
3742 getpid (), vep_session->vep.next_sid, vep_idx);
3745 ASSERT (next_session->vep.prev_sid == vep_idx);
3746 next_session->vep.prev_sid = session_index;
3748 session->vep.next_sid = vep_session->vep.next_sid;
3749 session->vep.prev_sid = vep_idx;
3750 session->vep.vep_idx = vep_idx;
3751 session->vep.et_mask = VEP_DEFAULT_ET_MASK;
3752 session->vep.ev = *event;
3753 session->is_vep = 0;
3754 session->is_vep_session = 1;
3755 vep_session->vep.next_sid = session_index;
3757 /* VCL Event Register handler */
3758 if (session->state & STATE_LISTEN)
3760 /* Register handler for connect_request event on listen_session_index */
3761 vce_event_key_t evk;
3762 evk.session_index = session_index;
3763 evk.eid = VCL_EVENT_CONNECT_REQ_ACCEPTED;
3764 vep_session->poll_reg =
3765 vce_register_handler (&vcm->event_thread, &evk,
3766 vce_epoll_wait_connect_request_handler_fn);
3768 if (VPPCOM_DEBUG > 1)
3769 clib_warning ("VCL<%d>: EPOLL_CTL_ADD: vep_idx %u, "
3770 "sid %u, events 0x%x, data 0x%llx!",
3771 getpid (), vep_idx, session_index,
3772 event->events, event->data.u64);
3773 if (VPPCOM_DEBUG > 0)
3776 ELOG_TYPE_DECLARE (e) =
3778 .format = "epoll_ctladd: events:%x data:%x",
3779 .format_args = "i4i4i8",
3787 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
3789 ed->events = event->events;
3790 ed->event_data = event->data.u64;
3796 if (PREDICT_FALSE (!event))
3798 clib_warning ("VCL<%d>: ERROR: EPOLL_CTL_MOD: NULL pointer to "
3799 "epoll_event structure!", getpid ());
3803 else if (PREDICT_FALSE (!session->is_vep_session))
3805 clib_warning ("VCL<%d>: ERROR: sid %u EPOLL_CTL_MOD: "
3806 "not a vep session!", getpid (), session_index);
3810 else if (PREDICT_FALSE (session->vep.vep_idx != vep_idx))
3812 clib_warning ("VCL<%d>: ERROR: sid %u EPOLL_CTL_MOD: "
3813 "vep_idx (%u) != vep_idx (%u)!",
3814 getpid (), session_index,
3815 session->vep.vep_idx, vep_idx);
3819 session->vep.et_mask = VEP_DEFAULT_ET_MASK;
3820 session->vep.ev = *event;
3821 if (VPPCOM_DEBUG > 1)
3823 ("VCL<%d>: EPOLL_CTL_MOD: vep_idx %u, sid %u, events 0x%x,"
3824 " data 0x%llx!", getpid (), vep_idx, session_index, event->events,
3829 if (PREDICT_FALSE (!session->is_vep_session))
3831 clib_warning ("VCL<%d>: ERROR: sid %u EPOLL_CTL_DEL: "
3832 "not a vep session!", getpid (), session_index);
3836 else if (PREDICT_FALSE (session->vep.vep_idx != vep_idx))
3838 clib_warning ("VCL<%d>: ERROR: sid %u EPOLL_CTL_DEL: "
3839 "vep_idx (%u) != vep_idx (%u)!",
3840 getpid (), session_index,
3841 session->vep.vep_idx, vep_idx);
3846 /* VCL Event Un-register handler */
3847 if ((session->state & STATE_LISTEN) && vep_session->poll_reg)
3849 ev = vce_get_event_from_index (&vcm->event_thread,
3850 vep_session->poll_reg->ev_idx);
3851 (void) vce_unregister_handler (&vcm->event_thread, ev);
3854 vep_session->wait_cont_idx =
3855 (vep_session->wait_cont_idx == session_index) ?
3856 session->vep.next_sid : vep_session->wait_cont_idx;
3858 if (session->vep.prev_sid == vep_idx)
3859 vep_session->vep.next_sid = session->vep.next_sid;
3862 session_t *prev_session;
3863 rv = vppcom_session_at_index (session->vep.prev_sid, &prev_session);
3864 if (PREDICT_FALSE (rv))
3866 clib_warning ("VCL<%d>: ERROR: EPOLL_CTL_DEL: Invalid "
3867 "vep.prev_sid (%u) on sid (%u)!",
3868 getpid (), session->vep.prev_sid, session_index);
3871 ASSERT (prev_session->vep.next_sid == session_index);
3872 prev_session->vep.next_sid = session->vep.next_sid;
3874 if (session->vep.next_sid != ~0)
3876 session_t *next_session;
3877 rv = vppcom_session_at_index (session->vep.next_sid, &next_session);
3878 if (PREDICT_FALSE (rv))
3880 clib_warning ("VCL<%d>: ERROR: EPOLL_CTL_DEL: Invalid "
3881 "vep.next_sid (%u) on sid (%u)!",
3882 getpid (), session->vep.next_sid, session_index);
3885 ASSERT (next_session->vep.prev_sid == session_index);
3886 next_session->vep.prev_sid = session->vep.prev_sid;
3889 memset (&session->vep, 0, sizeof (session->vep));
3890 session->vep.next_sid = ~0;
3891 session->vep.prev_sid = ~0;
3892 session->vep.vep_idx = ~0;
3893 session->is_vep_session = 0;
3894 if (VPPCOM_DEBUG > 1)
3895 clib_warning ("VCL<%d>: EPOLL_CTL_DEL: vep_idx %u, sid %u!",
3896 getpid (), vep_idx, session_index);
3897 if (VPPCOM_DEBUG > 0)
3900 ELOG_TYPE_DECLARE (e) =
3902 .format = "epoll_ctldel: vep:%d",
3903 .format_args = "i4",
3910 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
3918 clib_warning ("VCL<%d>: ERROR: Invalid operation (%d)!", getpid (), op);
3922 vep_verify_epoll_chain (vep_idx);
3925 clib_spinlock_unlock (&vcm->sessions_lockp);
3930 vppcom_epoll_wait (uint32_t vep_idx, struct epoll_event *events,
3931 int maxevents, double wait_for_time)
3933 session_t *vep_session;
3934 elog_track_t vep_elog_track;
3936 f64 timeout = clib_time_now (&vcm->clib_time) + wait_for_time;
3937 u32 keep_trying = 1;
3939 u32 vep_next_sid, wait_cont_idx;
3942 if (PREDICT_FALSE (maxevents <= 0))
3944 clib_warning ("VCL<%d>: ERROR: Invalid maxevents (%d)!",
3945 getpid (), maxevents);
3946 return VPPCOM_EINVAL;
3948 memset (events, 0, sizeof (*events) * maxevents);
3950 VCL_LOCK_AND_GET_SESSION (vep_idx, &vep_session);
3951 vep_next_sid = vep_session->vep.next_sid;
3952 is_vep = vep_session->is_vep;
3953 wait_cont_idx = vep_session->wait_cont_idx;
3954 vep_elog_track = vep_session->elog_track;
3955 clib_spinlock_unlock (&vcm->sessions_lockp);
3957 if (PREDICT_FALSE (!is_vep))
3959 clib_warning ("VCL<%d>: ERROR: vep_idx (%u) is not a vep!",
3960 getpid (), vep_idx);
3964 if (PREDICT_FALSE (vep_next_sid == ~0))
3966 if (VPPCOM_DEBUG > 1)
3967 clib_warning ("VCL<%d>: WARNING: vep_idx (%u) is empty!",
3968 getpid (), vep_idx);
3969 if (VPPCOM_DEBUG > 1)
3972 ELOG_TYPE_DECLARE (e) =
3974 .format = "WRN: vep_idx:%d empty",
3975 .format_args = "i4",
3982 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, vep_elog_track);
3995 elog_track_t session_elog_track;
3997 for (sid = (wait_cont_idx == ~0) ? vep_next_sid : wait_cont_idx;
3998 sid != ~0; sid = next_sid)
4000 u32 session_events, et_mask, clear_et_mask, session_vep_idx;
4001 u8 add_event, is_vep_session;
4003 u64 session_ev_data;
4005 VCL_LOCK_AND_GET_SESSION (sid, &session);
4006 next_sid = session->vep.next_sid;
4007 session_events = session->vep.ev.events;
4008 et_mask = session->vep.et_mask;
4009 is_vep = session->is_vep;
4010 is_vep_session = session->is_vep_session;
4011 session_vep_idx = session->vep.vep_idx;
4012 session_ev_data = session->vep.ev.data.u64;
4014 if (VPPCOM_DEBUG > 0)
4016 session_elog_track = session->elog_track;
4019 clib_spinlock_unlock (&vcm->sessions_lockp);
4021 if (PREDICT_FALSE (is_vep))
4023 if (VPPCOM_DEBUG > 0)
4024 clib_warning ("VCL<%d>: ERROR: sid (%u) is a vep!",
4025 getpid (), vep_idx);
4026 if (VPPCOM_DEBUG > 0)
4029 ELOG_TYPE_DECLARE (e) =
4031 .format = "ERR:vep_idx:%d is vep",
4032 .format_args = "i4",
4039 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session_elog_track);
4048 if (PREDICT_FALSE (!is_vep_session))
4050 if (VPPCOM_DEBUG > 0)
4051 clib_warning ("VCL<%d>: ERROR: session (%u) is not "
4052 "a vep session!", getpid (), sid);
4053 if (VPPCOM_DEBUG > 0)
4056 ELOG_TYPE_DECLARE (e) =
4058 .format = "ERR:SID:%d not vep",
4059 .format_args = "i4",
4066 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session_elog_track);
4075 if (PREDICT_FALSE (session_vep_idx != vep_idx))
4077 clib_warning ("VCL<%d>: ERROR: session (%u) "
4078 "vep_idx (%u) != vep_idx (%u)!",
4079 getpid (), sid, session_vep_idx, vep_idx);
4084 add_event = clear_et_mask = 0;
4086 if (EPOLLIN & session_events)
4088 VCL_LOCK_AND_GET_SESSION (sid, &session);
4089 ready = vppcom_session_read_ready (session, sid);
4090 clib_spinlock_unlock (&vcm->sessions_lockp);
4091 if ((ready > 0) && (EPOLLIN & et_mask))
4094 events[num_ev].events |= EPOLLIN;
4095 if (((EPOLLET | EPOLLIN) & session_events) ==
4096 (EPOLLET | EPOLLIN))
4097 clear_et_mask |= EPOLLIN;
4104 case VPPCOM_ECONNRESET:
4105 events[num_ev].events |= EPOLLHUP | EPOLLRDHUP;
4109 events[num_ev].events |= EPOLLERR;
4115 if (EPOLLOUT & session_events)
4117 VCL_LOCK_AND_GET_SESSION (sid, &session);
4118 ready = vppcom_session_write_ready (session, sid);
4119 clib_spinlock_unlock (&vcm->sessions_lockp);
4120 if ((ready > 0) && (EPOLLOUT & et_mask))
4123 events[num_ev].events |= EPOLLOUT;
4124 if (((EPOLLET | EPOLLOUT) & session_events) ==
4125 (EPOLLET | EPOLLOUT))
4126 clear_et_mask |= EPOLLOUT;
4133 case VPPCOM_ECONNRESET:
4134 events[num_ev].events |= EPOLLHUP;
4138 events[num_ev].events |= EPOLLERR;
4146 events[num_ev].data.u64 = session_ev_data;
4147 if (EPOLLONESHOT & session_events)
4149 VCL_LOCK_AND_GET_SESSION (sid, &session);
4150 session->vep.ev.events = 0;
4151 clib_spinlock_unlock (&vcm->sessions_lockp);
4154 if (num_ev == maxevents)
4156 VCL_LOCK_AND_GET_SESSION (vep_idx, &vep_session);
4157 vep_session->wait_cont_idx = next_sid;
4158 clib_spinlock_unlock (&vcm->sessions_lockp);
4162 if (wait_cont_idx != ~0)
4165 next_sid = vep_next_sid;
4166 else if (next_sid == wait_cont_idx)
4170 if (wait_for_time != -1)
4171 keep_trying = (clib_time_now (&vcm->clib_time) <= timeout) ? 1 : 0;
4173 while ((num_ev == 0) && keep_trying);
4175 if (wait_cont_idx != ~0)
4177 VCL_LOCK_AND_GET_SESSION (vep_idx, &vep_session);
4178 vep_session->wait_cont_idx = ~0;
4179 clib_spinlock_unlock (&vcm->sessions_lockp);
4182 return (rv != VPPCOM_OK) ? rv : num_ev;
4186 vppcom_session_attr (uint32_t session_index, uint32_t op,
4187 void *buffer, uint32_t * buflen)
4191 u32 *flags = buffer;
4192 vppcom_endpt_t *ep = buffer;
4194 VCL_LOCK_AND_GET_SESSION (session_index, &session);
4200 case VPPCOM_ATTR_GET_NREAD:
4201 rv = vppcom_session_read_ready (session, session_index);
4202 if (VPPCOM_DEBUG > 2)
4203 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_NREAD: sid %u, nread = %d",
4205 if (VPPCOM_DEBUG > 0)
4208 ELOG_TYPE_DECLARE (e) =
4210 .format = "VPPCOM_ATTR_GET_NREAD: nread=%d",
4211 .format_args = "i4",
4218 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4226 case VPPCOM_ATTR_GET_NWRITE:
4227 rv = vppcom_session_write_ready (session, session_index);
4228 if (VPPCOM_DEBUG > 2)
4229 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_NWRITE: sid %u, nwrite = %d",
4230 getpid (), session_index, rv);
4231 if (VPPCOM_DEBUG > 0)
4234 ELOG_TYPE_DECLARE (e) =
4236 .format = "VPPCOM_ATTR_GET_NWRITE: nwrite=%d",
4237 .format_args = "i4",
4244 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4251 case VPPCOM_ATTR_GET_FLAGS:
4252 if (PREDICT_TRUE (buffer && buflen && (*buflen >= sizeof (*flags))))
4254 *flags = O_RDWR | (VCL_SESS_ATTR_TEST (session->attr,
4255 VCL_SESS_ATTR_NONBLOCK));
4256 *buflen = sizeof (*flags);
4257 if (VPPCOM_DEBUG > 2)
4258 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_FLAGS: sid %u, "
4259 "flags = 0x%08x, is_nonblocking = %u", getpid (),
4260 session_index, *flags,
4261 VCL_SESS_ATTR_TEST (session->attr,
4262 VCL_SESS_ATTR_NONBLOCK));
4263 if (VPPCOM_DEBUG > 0)
4266 ELOG_TYPE_DECLARE (e) =
4268 .format = "VPPCOM_ATTR_GET_FLAGS: flags=%x is_nonblk=%d",
4269 .format_args = "i4i4",
4277 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4280 ed->is_nonblk = VCL_SESS_ATTR_TEST (session->attr, VCL_SESS_ATTR_NONBLOCK);
4289 case VPPCOM_ATTR_SET_FLAGS:
4290 if (PREDICT_TRUE (buffer && buflen && (*buflen == sizeof (*flags))))
4292 if (*flags & O_NONBLOCK)
4293 VCL_SESS_ATTR_SET (session->attr, VCL_SESS_ATTR_NONBLOCK);
4295 VCL_SESS_ATTR_CLR (session->attr, VCL_SESS_ATTR_NONBLOCK);
4297 if (VPPCOM_DEBUG > 2)
4298 clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_FLAGS: sid %u, "
4299 "flags = 0x%08x, is_nonblocking = %u",
4300 getpid (), session_index, *flags,
4301 VCL_SESS_ATTR_TEST (session->attr,
4302 VCL_SESS_ATTR_NONBLOCK));
4303 if (VPPCOM_DEBUG > 0)
4306 ELOG_TYPE_DECLARE (e) =
4308 .format = "VPPCOM_ATTR_SET_FLAGS: flags=%x is_nonblk=%d",
4309 .format_args = "i4i4",
4317 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4320 ed->is_nonblk = VCL_SESS_ATTR_TEST (session->attr, VCL_SESS_ATTR_NONBLOCK);
4328 case VPPCOM_ATTR_GET_PEER_ADDR:
4329 if (PREDICT_TRUE (buffer && buflen &&
4330 (*buflen >= sizeof (*ep)) && ep->ip))
4332 ep->is_ip4 = session->peer_addr.is_ip4;
4333 ep->port = session->peer_port;
4334 if (session->peer_addr.is_ip4)
4335 clib_memcpy (ep->ip, &session->peer_addr.ip46.ip4,
4336 sizeof (ip4_address_t));
4338 clib_memcpy (ep->ip, &session->peer_addr.ip46.ip6,
4339 sizeof (ip6_address_t));
4340 *buflen = sizeof (*ep);
4341 if (VPPCOM_DEBUG > 1)
4342 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_PEER_ADDR: sid %u, "
4343 "is_ip4 = %u, addr = %U, port %u", getpid (),
4344 session_index, ep->is_ip4, format_ip46_address,
4345 &session->peer_addr.ip46, ep->is_ip4,
4346 clib_net_to_host_u16 (ep->port));
4347 if (VPPCOM_DEBUG > 0)
4352 ELOG_TYPE_DECLARE (e) =
4354 .format = "VPPCOM_ATTR_GET_PEER_ADDR: addr:%d.%d.%d.%d:%d",
4355 .format_args = "i1i1i1i1i2",
4357 CLIB_PACKED (struct {
4362 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4364 ed->addr[0] = session->peer_addr.ip46.ip4.as_u8[0];
4365 ed->addr[1] = session->peer_addr.ip46.ip4.as_u8[1];
4366 ed->addr[2] = session->peer_addr.ip46.ip4.as_u8[2];
4367 ed->addr[3] = session->peer_addr.ip46.ip4.as_u8[3];
4368 ed->port = clib_net_to_host_u16 (session->peer_port);
4374 ELOG_TYPE_DECLARE (e) =
4376 .format = "VPPCOM_ATTR_GET_PEER_ADDR: addr:IP6:%d",
4377 .format_args = "i2",
4379 CLIB_PACKED (struct {
4383 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4385 ed->port = clib_net_to_host_u16 (session->peer_port);
4394 case VPPCOM_ATTR_GET_LCL_ADDR:
4395 if (PREDICT_TRUE (buffer && buflen &&
4396 (*buflen >= sizeof (*ep)) && ep->ip))
4398 ep->is_ip4 = session->lcl_addr.is_ip4;
4399 ep->port = session->lcl_port;
4400 if (session->lcl_addr.is_ip4)
4401 clib_memcpy (ep->ip, &session->lcl_addr.ip46.ip4,
4402 sizeof (ip4_address_t));
4404 clib_memcpy (ep->ip, &session->lcl_addr.ip46.ip6,
4405 sizeof (ip6_address_t));
4406 *buflen = sizeof (*ep);
4407 if (VPPCOM_DEBUG > 1)
4408 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_LCL_ADDR: sid %u, "
4409 "is_ip4 = %u, addr = %U port %d", getpid (),
4410 session_index, ep->is_ip4, format_ip46_address,
4411 &session->lcl_addr.ip46, ep->is_ip4,
4412 clib_net_to_host_u16 (ep->port));
4413 if (VPPCOM_DEBUG > 0)
4418 ELOG_TYPE_DECLARE (e) =
4420 .format = "VPPCOM_ATTR_GET_LCL_ADDR: addr:%d.%d.%d.%d:%d",
4421 .format_args = "i1i1i1i1i2",
4423 CLIB_PACKED (struct {
4428 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4430 ed->addr[0] = session->lcl_addr.ip46.ip4.as_u8[0];
4431 ed->addr[1] = session->lcl_addr.ip46.ip4.as_u8[1];
4432 ed->addr[2] = session->lcl_addr.ip46.ip4.as_u8[2];
4433 ed->addr[3] = session->lcl_addr.ip46.ip4.as_u8[3];
4434 ed->port = clib_net_to_host_u16 (session->peer_port);
4440 ELOG_TYPE_DECLARE (e) =
4442 .format = "VPPCOM_ATTR_GET_LCL_ADDR: addr:IP6:%d",
4443 .format_args = "i2",
4445 CLIB_PACKED (struct {
4449 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4451 ed->port = clib_net_to_host_u16 (session->peer_port);
4460 case VPPCOM_ATTR_GET_LIBC_EPFD:
4461 rv = session->libc_epfd;
4462 if (VPPCOM_DEBUG > 2)
4463 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_LIBC_EPFD: libc_epfd %d",
4465 if (VPPCOM_DEBUG > 0)
4468 ELOG_TYPE_DECLARE (e) =
4470 .format = "VPPCOM_ATTR_GET_LIBC_EPFD: libc_epfd=%d",
4471 .format_args = "i4",
4473 CLIB_PACKED (struct {
4477 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4478 ed->data = session->libc_epfd;
4484 case VPPCOM_ATTR_SET_LIBC_EPFD:
4485 if (PREDICT_TRUE (buffer && buflen &&
4486 (*buflen == sizeof (session->libc_epfd))))
4488 session->libc_epfd = *(int *) buffer;
4489 *buflen = sizeof (session->libc_epfd);
4491 if (VPPCOM_DEBUG > 2)
4492 clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_LIBC_EPFD: libc_epfd %d, "
4493 "buflen %d", getpid (), session->libc_epfd,
4495 if (VPPCOM_DEBUG > 0)
4498 ELOG_TYPE_DECLARE (e) =
4500 .format = "VPPCOM_ATTR_SET_LIBC_EPFD: libc_epfd=%s%d buflen=%d",
4501 .format_args = "t1i4i4",
4502 .n_enum_strings = 2,
4503 .enum_strings = {"", "-",},
4505 CLIB_PACKED (struct {
4510 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4512 ed->sign = (session->libc_epfd < 0);
4513 ed->data[0] = abs(session->libc_epfd);
4514 ed->data[1] = *buflen;
4522 case VPPCOM_ATTR_GET_PROTOCOL:
4523 if (buffer && buflen && (*buflen >= sizeof (int)))
4525 *(int *) buffer = session->proto;
4526 *buflen = sizeof (int);
4528 if (VPPCOM_DEBUG > 2)
4529 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_PROTOCOL: %d (%s), "
4530 "buflen %d", getpid (), *(int *) buffer,
4531 *(int *) buffer ? "UDP" : "TCP", *buflen);
4532 if (VPPCOM_DEBUG > 0)
4535 ELOG_TYPE_DECLARE (e) =
4537 .format = "VPPCOM_ATTR_GET_PROTOCOL: %s buflen=%d",
4538 .format_args = "t1i4",
4539 .n_enum_strings = 2,
4540 .enum_strings = {"TCP", "UDP",},
4543 CLIB_PACKED (struct {
4548 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4549 ed->proto = session->proto;
4550 ed->buflen = *(int *) buffer;
4558 case VPPCOM_ATTR_GET_LISTEN:
4559 if (buffer && buflen && (*buflen >= sizeof (int)))
4561 *(int *) buffer = VCL_SESS_ATTR_TEST (session->attr,
4562 VCL_SESS_ATTR_LISTEN);
4563 *buflen = sizeof (int);
4565 if (VPPCOM_DEBUG > 2)
4566 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_LISTEN: %d, "
4567 "buflen %d", getpid (), *(int *) buffer, *buflen);
4568 if (VPPCOM_DEBUG > 0)
4571 ELOG_TYPE_DECLARE (e) =
4573 .format = "VPPCOM_ATTR_GET_LISTEN: %d buflen=%d",
4574 .format_args = "i4i4",
4581 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4582 ed->data[0] = *(int *) buffer;
4583 ed->data[1] = *buflen;
4591 case VPPCOM_ATTR_GET_ERROR:
4592 if (buffer && buflen && (*buflen >= sizeof (int)))
4594 *(int *) buffer = 0;
4595 *buflen = sizeof (int);
4597 if (VPPCOM_DEBUG > 2)
4598 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_ERROR: %d, "
4599 "buflen %d, #VPP-TBD#", getpid (),
4600 *(int *) buffer, *buflen);
4601 if (VPPCOM_DEBUG > 0)
4604 ELOG_TYPE_DECLARE (e) =
4606 .format = "VPPCOM_ATTR_GET_ERROR: %d buflen=%d",
4607 .format_args = "i4i4",
4614 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4615 ed->data[0] = *(int *) buffer;
4616 ed->data[1] = *buflen;
4624 case VPPCOM_ATTR_GET_TX_FIFO_LEN:
4625 if (buffer && buflen && (*buflen >= sizeof (u32)))
4629 *(size_t *) buffer = (session->sndbuf_size ? session->sndbuf_size :
4630 session->tx_fifo ? session->tx_fifo->nitems :
4631 vcm->cfg.tx_fifo_size);
4632 *buflen = sizeof (u32);
4634 if (VPPCOM_DEBUG > 2)
4635 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_TX_FIFO_LEN: %u (0x%x), "
4636 "buflen %d, #VPP-TBD#", getpid (),
4637 *(size_t *) buffer, *(size_t *) buffer, *buflen);
4638 if (VPPCOM_DEBUG > 0)
4641 ELOG_TYPE_DECLARE (e) =
4643 .format = "VPPCOM_ATTR_GET_TX_FIFO_LEN: 0x%x buflen=%d",
4644 .format_args = "i4i4",
4651 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4652 ed->data[0] = *(size_t *) buffer;
4653 ed->data[1] = *buflen;
4661 case VPPCOM_ATTR_SET_TX_FIFO_LEN:
4662 if (buffer && buflen && (*buflen == sizeof (u32)))
4665 session->sndbuf_size = *(u32 *) buffer;
4666 if (VPPCOM_DEBUG > 2)
4667 clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_TX_FIFO_LEN: %u (0x%x), "
4668 "buflen %d, #VPP-TBD#", getpid (),
4669 session->sndbuf_size, session->sndbuf_size,
4671 if (VPPCOM_DEBUG > 0)
4674 ELOG_TYPE_DECLARE (e) =
4676 .format = "VPPCOM_ATTR_SET_TX_FIFO_LEN: 0x%x buflen=%d",
4677 .format_args = "i4i4",
4684 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4685 ed->data[0] = session->sndbuf_size;
4686 ed->data[1] = *buflen;
4694 case VPPCOM_ATTR_GET_RX_FIFO_LEN:
4695 if (buffer && buflen && (*buflen >= sizeof (u32)))
4699 *(size_t *) buffer = (session->rcvbuf_size ? session->rcvbuf_size :
4700 session->rx_fifo ? session->rx_fifo->nitems :
4701 vcm->cfg.rx_fifo_size);
4702 *buflen = sizeof (u32);
4704 if (VPPCOM_DEBUG > 2)
4705 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_RX_FIFO_LEN: %u (0x%x), "
4706 "buflen %d, #VPP-TBD#", getpid (),
4707 *(size_t *) buffer, *(size_t *) buffer, *buflen);
4708 if (VPPCOM_DEBUG > 0)
4711 ELOG_TYPE_DECLARE (e) =
4713 .format = "VPPCOM_ATTR_GET_RX_FIFO_LEN: 0x%x buflen=%d",
4714 .format_args = "i4i4",
4721 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4722 ed->data[0] = *(size_t *) buffer;
4723 ed->data[1] = *buflen;
4731 case VPPCOM_ATTR_SET_RX_FIFO_LEN:
4732 if (buffer && buflen && (*buflen == sizeof (u32)))
4735 session->rcvbuf_size = *(u32 *) buffer;
4736 if (VPPCOM_DEBUG > 2)
4737 clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_RX_FIFO_LEN: %u (0x%x), "
4738 "buflen %d, #VPP-TBD#", getpid (),
4739 session->sndbuf_size, session->sndbuf_size,
4741 if (VPPCOM_DEBUG > 0)
4744 ELOG_TYPE_DECLARE (e) =
4746 .format = "VPPCOM_ATTR_SET_RX_FIFO_LEN: 0x%x buflen=%d",
4747 .format_args = "i4i4",
4754 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4755 ed->data[0] = session->sndbuf_size;
4756 ed->data[1] = *buflen;
4764 case VPPCOM_ATTR_GET_REUSEADDR:
4765 if (buffer && buflen && (*buflen >= sizeof (int)))
4768 *(int *) buffer = VCL_SESS_ATTR_TEST (session->attr,
4769 VCL_SESS_ATTR_REUSEADDR);
4770 *buflen = sizeof (int);
4772 if (VPPCOM_DEBUG > 2)
4773 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_REUSEADDR: %d, "
4774 "buflen %d, #VPP-TBD#", getpid (), *(int *) buffer,
4776 if (VPPCOM_DEBUG > 0)
4779 ELOG_TYPE_DECLARE (e) =
4781 .format = "VPPCOM_ATTR_GET_REUSEADDR: %d buflen=%d",
4782 .format_args = "i4i4",
4789 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4790 ed->data[0] = *(int *) buffer;
4791 ed->data[1] = *buflen;
4799 case VPPCOM_ATTR_SET_REUSEADDR:
4800 if (buffer && buflen && (*buflen == sizeof (int)) &&
4801 !VCL_SESS_ATTR_TEST (session->attr, VCL_SESS_ATTR_LISTEN))
4804 if (*(int *) buffer)
4805 VCL_SESS_ATTR_SET (session->attr, VCL_SESS_ATTR_REUSEADDR);
4807 VCL_SESS_ATTR_CLR (session->attr, VCL_SESS_ATTR_REUSEADDR);
4809 if (VPPCOM_DEBUG > 2)
4810 clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_REUSEADDR: %d, "
4811 "buflen %d, #VPP-TBD#", getpid (),
4812 VCL_SESS_ATTR_TEST (session->attr,
4813 VCL_SESS_ATTR_REUSEADDR),
4815 if (VPPCOM_DEBUG > 0)
4818 ELOG_TYPE_DECLARE (e) =
4820 .format = "VPPCOM_ATTR_SET_REUSEADDR: %d buflen=%d",
4821 .format_args = "i4i4",
4828 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4829 ed->data[0] = VCL_SESS_ATTR_TEST (session->attr,
4830 VCL_SESS_ATTR_REUSEADDR);
4831 ed->data[1] = *buflen;
4839 case VPPCOM_ATTR_GET_REUSEPORT:
4840 if (buffer && buflen && (*buflen >= sizeof (int)))
4843 *(int *) buffer = VCL_SESS_ATTR_TEST (session->attr,
4844 VCL_SESS_ATTR_REUSEPORT);
4845 *buflen = sizeof (int);
4847 if (VPPCOM_DEBUG > 2)
4848 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_REUSEPORT: %d, "
4849 "buflen %d, #VPP-TBD#", getpid (), *(int *) buffer,
4851 if (VPPCOM_DEBUG > 0)
4854 ELOG_TYPE_DECLARE (e) =
4856 .format = "VPPCOM_ATTR_GET_REUSEPORT: %d buflen=%d",
4857 .format_args = "i4i4",
4864 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4865 ed->data[0] = *(int *) buffer;
4866 ed->data[1] = *buflen;
4874 case VPPCOM_ATTR_SET_REUSEPORT:
4875 if (buffer && buflen && (*buflen == sizeof (int)) &&
4876 !VCL_SESS_ATTR_TEST (session->attr, VCL_SESS_ATTR_LISTEN))
4879 if (*(int *) buffer)
4880 VCL_SESS_ATTR_SET (session->attr, VCL_SESS_ATTR_REUSEPORT);
4882 VCL_SESS_ATTR_CLR (session->attr, VCL_SESS_ATTR_REUSEPORT);
4884 if (VPPCOM_DEBUG > 2)
4885 clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_REUSEPORT: %d, "
4886 "buflen %d, #VPP-TBD#", getpid (),
4887 VCL_SESS_ATTR_TEST (session->attr,
4888 VCL_SESS_ATTR_REUSEPORT),
4890 if (VPPCOM_DEBUG > 0)
4893 ELOG_TYPE_DECLARE (e) =
4895 .format = "VPPCOM_ATTR_SET_REUSEPORT: %d buflen=%d",
4896 .format_args = "i4i4",
4903 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4904 ed->data[0] = VCL_SESS_ATTR_TEST (session->attr,
4905 VCL_SESS_ATTR_REUSEPORT);
4906 ed->data[1] = *buflen;
4914 case VPPCOM_ATTR_GET_BROADCAST:
4915 if (buffer && buflen && (*buflen >= sizeof (int)))
4918 *(int *) buffer = VCL_SESS_ATTR_TEST (session->attr,
4919 VCL_SESS_ATTR_BROADCAST);
4920 *buflen = sizeof (int);
4922 if (VPPCOM_DEBUG > 2)
4923 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_BROADCAST: %d, "
4924 "buflen %d, #VPP-TBD#", getpid (), *(int *) buffer,
4926 if (VPPCOM_DEBUG > 0)
4929 ELOG_TYPE_DECLARE (e) =
4931 .format = "VPPCOM_ATTR_GET_BROADCAST: %d buflen=%d",
4932 .format_args = "i4i4",
4939 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4940 ed->data[0] = *(int *) buffer;
4941 ed->data[1] = *buflen;
4949 case VPPCOM_ATTR_SET_BROADCAST:
4950 if (buffer && buflen && (*buflen == sizeof (int)))
4953 if (*(int *) buffer)
4954 VCL_SESS_ATTR_SET (session->attr, VCL_SESS_ATTR_BROADCAST);
4956 VCL_SESS_ATTR_CLR (session->attr, VCL_SESS_ATTR_BROADCAST);
4958 if (VPPCOM_DEBUG > 2)
4959 clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_BROADCAST: %d, "
4960 "buflen %d, #VPP-TBD#", getpid (),
4961 VCL_SESS_ATTR_TEST (session->attr,
4962 VCL_SESS_ATTR_BROADCAST),
4964 if (VPPCOM_DEBUG > 0)
4967 ELOG_TYPE_DECLARE (e) =
4969 .format = "VPPCOM_ATTR_SET_BROADCAST: %d buflen=%d",
4970 .format_args = "i4i4",
4977 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4978 ed->data[0] = VCL_SESS_ATTR_TEST (session->attr,
4979 VCL_SESS_ATTR_BROADCAST);
4980 ed->data[1] = *buflen;
4988 case VPPCOM_ATTR_GET_V6ONLY:
4989 if (buffer && buflen && (*buflen >= sizeof (int)))
4992 *(int *) buffer = VCL_SESS_ATTR_TEST (session->attr,
4993 VCL_SESS_ATTR_V6ONLY);
4994 *buflen = sizeof (int);
4996 if (VPPCOM_DEBUG > 2)
4997 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_V6ONLY: %d, "
4998 "buflen %d, #VPP-TBD#", getpid (), *(int *) buffer,
5000 if (VPPCOM_DEBUG > 0)
5003 ELOG_TYPE_DECLARE (e) =
5005 .format = "VPPCOM_ATTR_GET_V6ONLY: %d buflen=%d",
5006 .format_args = "i4i4",
5013 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
5014 ed->data[0] = *(int *) buffer;
5015 ed->data[1] = *buflen;
5023 case VPPCOM_ATTR_SET_V6ONLY:
5024 if (buffer && buflen && (*buflen == sizeof (int)))
5027 if (*(int *) buffer)
5028 VCL_SESS_ATTR_SET (session->attr, VCL_SESS_ATTR_V6ONLY);
5030 VCL_SESS_ATTR_CLR (session->attr, VCL_SESS_ATTR_V6ONLY);
5032 if (VPPCOM_DEBUG > 2)
5033 clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_V6ONLY: %d, "
5034 "buflen %d, #VPP-TBD#", getpid (),
5035 VCL_SESS_ATTR_TEST (session->attr,
5036 VCL_SESS_ATTR_V6ONLY), *buflen);
5037 if (VPPCOM_DEBUG > 0)
5040 ELOG_TYPE_DECLARE (e) =
5042 .format = "VPPCOM_ATTR_SET_V6ONLY: %d buflen=%d",
5043 .format_args = "i4i4",
5050 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
5051 ed->data[0] = VCL_SESS_ATTR_TEST (session->attr,
5052 VCL_SESS_ATTR_V6ONLY);
5053 ed->data[1] = *buflen;
5061 case VPPCOM_ATTR_GET_KEEPALIVE:
5062 if (buffer && buflen && (*buflen >= sizeof (int)))
5065 *(int *) buffer = VCL_SESS_ATTR_TEST (session->attr,
5066 VCL_SESS_ATTR_KEEPALIVE);
5067 *buflen = sizeof (int);
5069 if (VPPCOM_DEBUG > 2)
5070 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_KEEPALIVE: %d, "
5071 "buflen %d, #VPP-TBD#", getpid (), *(int *) buffer,
5073 if (VPPCOM_DEBUG > 0)
5076 ELOG_TYPE_DECLARE (e) =
5078 .format = "VPPCOM_ATTR_GET_KEEPALIVE: %d buflen=%d",
5079 .format_args = "i4i4",
5086 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
5087 ed->data[0] = *(int *) buffer;
5088 ed->data[1] = *buflen;
5096 case VPPCOM_ATTR_SET_KEEPALIVE:
5097 if (buffer && buflen && (*buflen == sizeof (int)))
5100 if (*(int *) buffer)
5101 VCL_SESS_ATTR_SET (session->attr, VCL_SESS_ATTR_KEEPALIVE);
5103 VCL_SESS_ATTR_CLR (session->attr, VCL_SESS_ATTR_KEEPALIVE);
5105 if (VPPCOM_DEBUG > 2)
5106 clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_KEEPALIVE: %d, "
5107 "buflen %d, #VPP-TBD#", getpid (),
5108 VCL_SESS_ATTR_TEST (session->attr,
5109 VCL_SESS_ATTR_KEEPALIVE),
5111 if (VPPCOM_DEBUG > 0)
5114 ELOG_TYPE_DECLARE (e) =
5116 .format = "VPPCOM_ATTR_SET_KEEPALIVE: %d buflen=%d",
5117 .format_args = "i4i4",
5124 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
5125 ed->data[0] = VCL_SESS_ATTR_TEST (session->attr,
5126 VCL_SESS_ATTR_KEEPALIVE);
5127 ed->data[1] = *buflen;
5135 case VPPCOM_ATTR_GET_TCP_NODELAY:
5136 if (buffer && buflen && (*buflen >= sizeof (int)))
5139 *(int *) buffer = VCL_SESS_ATTR_TEST (session->attr,
5140 VCL_SESS_ATTR_TCP_NODELAY);
5141 *buflen = sizeof (int);
5143 if (VPPCOM_DEBUG > 2)
5144 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_TCP_NODELAY: %d, "
5145 "buflen %d, #VPP-TBD#", getpid (), *(int *) buffer,
5147 if (VPPCOM_DEBUG > 0)
5150 ELOG_TYPE_DECLARE (e) =
5152 .format = "VPPCOM_ATTR_GET_TCP_NODELAY: %d buflen=%d",
5153 .format_args = "i4i4",
5160 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
5161 ed->data[0] = *(int *) buffer;
5162 ed->data[1] = *buflen;
5170 case VPPCOM_ATTR_SET_TCP_NODELAY:
5171 if (buffer && buflen && (*buflen == sizeof (int)))
5174 if (*(int *) buffer)
5175 VCL_SESS_ATTR_SET (session->attr, VCL_SESS_ATTR_TCP_NODELAY);
5177 VCL_SESS_ATTR_CLR (session->attr, VCL_SESS_ATTR_TCP_NODELAY);
5179 if (VPPCOM_DEBUG > 2)
5180 clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_TCP_NODELAY: %d, "
5181 "buflen %d, #VPP-TBD#", getpid (),
5182 VCL_SESS_ATTR_TEST (session->attr,
5183 VCL_SESS_ATTR_TCP_NODELAY),
5185 if (VPPCOM_DEBUG > 0)
5188 ELOG_TYPE_DECLARE (e) =
5190 .format = "VPPCOM_ATTR_SET_TCP_NODELAY: %d buflen=%d",
5191 .format_args = "i4i4",
5198 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
5199 ed->data[0] = VCL_SESS_ATTR_TEST (session->attr,
5200 VCL_SESS_ATTR_TCP_NODELAY);
5201 ed->data[1] = *buflen;
5209 case VPPCOM_ATTR_GET_TCP_KEEPIDLE:
5210 if (buffer && buflen && (*buflen >= sizeof (int)))
5213 *(int *) buffer = VCL_SESS_ATTR_TEST (session->attr,
5214 VCL_SESS_ATTR_TCP_KEEPIDLE);
5215 *buflen = sizeof (int);
5217 if (VPPCOM_DEBUG > 2)
5218 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_TCP_KEEPIDLE: %d, "
5219 "buflen %d, #VPP-TBD#", getpid (), *(int *) buffer,
5221 if (VPPCOM_DEBUG > 0)
5224 ELOG_TYPE_DECLARE (e) =
5226 .format = "VPPCOM_ATTR_GET_TCP_KEEPIDLE: %d buflen=%d",
5227 .format_args = "i4i4",
5234 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
5235 ed->data[0] = *(int *) buffer;
5236 ed->data[1] = *buflen;
5244 case VPPCOM_ATTR_SET_TCP_KEEPIDLE:
5245 if (buffer && buflen && (*buflen == sizeof (int)))
5248 if (*(int *) buffer)
5249 VCL_SESS_ATTR_SET (session->attr, VCL_SESS_ATTR_TCP_KEEPIDLE);
5251 VCL_SESS_ATTR_CLR (session->attr, VCL_SESS_ATTR_TCP_KEEPIDLE);
5253 if (VPPCOM_DEBUG > 2)
5254 clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_TCP_KEEPIDLE: %d, "
5255 "buflen %d, #VPP-TBD#", getpid (),
5256 VCL_SESS_ATTR_TEST (session->attr,
5257 VCL_SESS_ATTR_TCP_KEEPIDLE),
5259 if (VPPCOM_DEBUG > 0)
5262 ELOG_TYPE_DECLARE (e) =
5264 .format = "VPPCOM_ATTR_SET_TCP_KEEPIDLE: %d buflen=%d",
5265 .format_args = "i4i4",
5272 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
5273 ed->data[0] = VCL_SESS_ATTR_TEST (session->attr,
5274 VCL_SESS_ATTR_TCP_KEEPIDLE);
5275 ed->data[1] = *buflen;
5283 case VPPCOM_ATTR_GET_TCP_KEEPINTVL:
5284 if (buffer && buflen && (*buflen >= sizeof (int)))
5287 *(int *) buffer = VCL_SESS_ATTR_TEST (session->attr,
5288 VCL_SESS_ATTR_TCP_KEEPINTVL);
5289 *buflen = sizeof (int);
5291 if (VPPCOM_DEBUG > 2)
5292 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_TCP_KEEPINTVL: %d, "
5293 "buflen %d, #VPP-TBD#", getpid (), *(int *) buffer,
5295 if (VPPCOM_DEBUG > 0)
5298 ELOG_TYPE_DECLARE (e) =
5300 .format = "VPPCOM_ATTR_GET_TCP_KEEPIDLE: %d buflen=%d",
5301 .format_args = "i4i4",
5308 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
5309 ed->data[0] = *(int *) buffer;
5310 ed->data[1] = *buflen;
5318 case VPPCOM_ATTR_SET_TCP_KEEPINTVL:
5319 if (buffer && buflen && (*buflen == sizeof (int)))
5322 if (*(int *) buffer)
5323 VCL_SESS_ATTR_SET (session->attr, VCL_SESS_ATTR_TCP_KEEPINTVL);
5325 VCL_SESS_ATTR_CLR (session->attr, VCL_SESS_ATTR_TCP_KEEPINTVL);
5327 if (VPPCOM_DEBUG > 2)
5328 clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_TCP_KEEPINTVL: %d, "
5329 "buflen %d, #VPP-TBD#", getpid (),
5330 VCL_SESS_ATTR_TEST (session->attr,
5331 VCL_SESS_ATTR_TCP_KEEPINTVL),
5333 if (VPPCOM_DEBUG > 0)
5336 ELOG_TYPE_DECLARE (e) =
5338 .format = "VPPCOM_ATTR_SET_TCP_KEEPINTVL: %d buflen=%d",
5339 .format_args = "i4i4",
5346 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
5347 ed->data[0] = VCL_SESS_ATTR_TEST (session->attr,
5348 VCL_SESS_ATTR_TCP_KEEPINTVL);
5349 ed->data[1] = *buflen;
5357 case VPPCOM_ATTR_GET_TCP_USER_MSS:
5358 if (buffer && buflen && (*buflen >= sizeof (u32)))
5361 *(u32 *) buffer = session->user_mss;
5362 *buflen = sizeof (int);
5364 if (VPPCOM_DEBUG > 2)
5365 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_TCP_USER_MSS: %d, "
5366 "buflen %d, #VPP-TBD#", getpid (), *(int *) buffer,
5368 if (VPPCOM_DEBUG > 0)
5371 ELOG_TYPE_DECLARE (e) =
5373 .format = "VPPCOM_ATTR_GET_TCP_USER_MSS: %d buflen=%d",
5374 .format_args = "i4i4",
5381 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
5382 ed->data[0] = *(int *) buffer;
5383 ed->data[1] = *buflen;
5391 case VPPCOM_ATTR_SET_TCP_USER_MSS:
5392 if (buffer && buflen && (*buflen == sizeof (u32)))
5395 session->user_mss = *(u32 *) buffer;
5397 if (VPPCOM_DEBUG > 2)
5398 clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_TCP_USER_MSS: %u, "
5399 "buflen %d, #VPP-TBD#", getpid (),
5400 session->user_mss, *buflen);
5401 if (VPPCOM_DEBUG > 0)
5404 ELOG_TYPE_DECLARE (e) =
5406 .format = "VPPCOM_ATTR_SET_TCP_USER_MSS: %d buflen=%d",
5407 .format_args = "i4i4",
5414 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
5415 ed->data[0] = session->user_mss;
5416 ed->data[1] = *buflen;
5430 clib_spinlock_unlock (&vcm->sessions_lockp);
5435 vppcom_session_recvfrom (uint32_t session_index, void *buffer,
5436 uint32_t buflen, int flags, vppcom_endpt_t * ep)
5439 session_t *session = 0;
5443 clib_spinlock_lock (&vcm->sessions_lockp);
5444 rv = vppcom_session_at_index (session_index, &session);
5445 if (PREDICT_FALSE (rv))
5447 clib_spinlock_unlock (&vcm->sessions_lockp);
5448 if (VPPCOM_DEBUG > 0)
5449 clib_warning ("VCL<%d>: invalid session, "
5450 "sid (%u) has been closed!",
5451 getpid (), session_index);
5452 if (VPPCOM_DEBUG > 0)
5455 ELOG_TYPE_DECLARE (e) =
5457 .format = "invalid session: %d closed",
5458 .format_args = "i4",
5465 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, vcm->elog_track);
5466 ed->data = session_index;
5470 clib_spinlock_unlock (&vcm->sessions_lockp);
5473 ep->is_ip4 = session->peer_addr.is_ip4;
5474 ep->port = session->peer_port;
5475 if (session->peer_addr.is_ip4)
5476 clib_memcpy (ep->ip, &session->peer_addr.ip46.ip4,
5477 sizeof (ip4_address_t));
5479 clib_memcpy (ep->ip, &session->peer_addr.ip46.ip6,
5480 sizeof (ip6_address_t));
5481 clib_spinlock_unlock (&vcm->sessions_lockp);
5485 rv = vppcom_session_read (session_index, buffer, buflen);
5486 else if (flags & MSG_PEEK)
5487 rv = vppcom_session_peek (session_index, buffer, buflen);
5490 clib_warning ("VCL<%d>: Unsupport flags for recvfrom %d",
5492 rv = VPPCOM_EAFNOSUPPORT;
5500 vppcom_session_sendto (uint32_t session_index, void *buffer,
5501 uint32_t buflen, int flags, vppcom_endpt_t * ep)
5504 return VPPCOM_EINVAL;
5509 return VPPCOM_EINVAL;
5514 // TBD check the flags and do the right thing
5515 if (VPPCOM_DEBUG > 2)
5516 clib_warning ("VCL<%d>: handling flags 0x%u (%d) "
5517 "not implemented yet.", getpid (), flags, flags);
5520 return (vppcom_session_write (session_index, buffer, buflen));
5524 vppcom_poll (vcl_poll_t * vp, uint32_t n_sids, double wait_for_time)
5526 f64 timeout = clib_time_now (&vcm->clib_time) + wait_for_time;
5527 u32 i, keep_trying = 1;
5530 if (VPPCOM_DEBUG > 3)
5531 clib_warning ("VCL<%d>: vp %p, nsids %u, wait_for_time %f",
5532 getpid (), vp, n_sids, wait_for_time);
5535 return VPPCOM_EFAULT;
5541 for (i = 0; i < n_sids; i++)
5543 ASSERT (vp[i].revents);
5545 VCL_LOCK_AND_GET_SESSION (vp[i].sid, &session);
5546 clib_spinlock_unlock (&vcm->sessions_lockp);
5551 if (POLLIN & vp[i].events)
5553 VCL_LOCK_AND_GET_SESSION (vp[i].sid, &session);
5554 rv = vppcom_session_read_ready (session, vp[i].sid);
5555 clib_spinlock_unlock (&vcm->sessions_lockp);
5558 *vp[i].revents |= POLLIN;
5565 case VPPCOM_ECONNRESET:
5566 *vp[i].revents = POLLHUP;
5570 *vp[i].revents = POLLERR;
5577 if (POLLOUT & vp[i].events)
5579 VCL_LOCK_AND_GET_SESSION (vp[i].sid, &session);
5580 rv = vppcom_session_write_ready (session, vp[i].sid);
5581 clib_spinlock_unlock (&vcm->sessions_lockp);
5584 *vp[i].revents |= POLLOUT;
5591 case VPPCOM_ECONNRESET:
5592 *vp[i].revents = POLLHUP;
5596 *vp[i].revents = POLLERR;
5603 if (0) // Note "done:" label used by VCL_LOCK_AND_GET_SESSION()
5606 *vp[i].revents = POLLNVAL;
5610 if (wait_for_time != -1)
5611 keep_trying = (clib_time_now (&vcm->clib_time) <= timeout) ? 1 : 0;
5613 while ((num_ev == 0) && keep_trying);
5615 if (VPPCOM_DEBUG > 3)
5617 clib_warning ("VCL<%d>: returning %d", getpid (), num_ev);
5618 for (i = 0; i < n_sids; i++)
5620 clib_warning ("VCL<%d>: vp[%d].sid %d (0x%x), .events 0x%x, "
5621 ".revents 0x%x", getpid (), i, vp[i].sid, vp[i].sid,
5622 vp[i].events, *vp[i].revents);
5629 * fd.io coding-style-patch-verification: ON
5632 * eval: (c-set-style "gnu")