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 <vlib/unix/unix.h>
25 #include <vppinfra/vec_bootstrap.h>
26 #include <vppinfra/elog.h>
28 #define vl_typedefs /* define message structures */
29 #include <vpp/api/vpe_all_api_h.h>
32 /* declare message handlers for each api */
34 #define vl_endianfun /* define message structures */
35 #include <vpp/api/vpe_all_api_h.h>
38 /* instantiate all the print functions we know about */
39 #define vl_print(handle, ...)
41 #include <vpp/api/vpe_all_api_h.h>
45 /* Set VPPCOM_DEBUG_INIT 2 for connection debug,
46 * 3 for read/write debug output
48 * export VCL_DEBUG=<#> to set dynamically.
50 #define VPPCOM_DEBUG_INIT 1
52 #define VPPCOM_DEBUG_INIT 0
55 #define VPPCOM_DEBUG vcm->debug
58 * VPPCOM Private definitions and functions.
74 STATE_CLOSE_ON_EMPTY = 0x10,
75 STATE_DISCONNECT = 0x20,
79 #define SERVER_STATE_OPEN (STATE_ACCEPT|STATE_CLOSE_ON_EMPTY)
80 #define CLIENT_STATE_OPEN (STATE_CONNECT|STATE_CLOSE_ON_EMPTY)
82 typedef struct epoll_event vppcom_epoll_event_t;
89 vppcom_epoll_event_t ev;
90 #define VEP_DEFAULT_ET_MASK (EPOLLIN|EPOLLOUT)
91 #define VEP_UNSUPPORTED_EVENTS (EPOLLONESHOT|EPOLLEXCLUSIVE)
103 VCL_SESS_ATTR_SERVER,
104 VCL_SESS_ATTR_CUT_THRU,
106 VCL_SESS_ATTR_VEP_SESSION,
107 VCL_SESS_ATTR_LISTEN, // SOL_SOCKET,SO_ACCEPTCONN
108 VCL_SESS_ATTR_NONBLOCK, // fcntl,O_NONBLOCK
109 VCL_SESS_ATTR_REUSEADDR, // SOL_SOCKET,SO_REUSEADDR
110 VCL_SESS_ATTR_REUSEPORT, // SOL_SOCKET,SO_REUSEPORT
111 VCL_SESS_ATTR_BROADCAST, // SOL_SOCKET,SO_BROADCAST
112 VCL_SESS_ATTR_V6ONLY, // SOL_TCP,IPV6_V6ONLY
113 VCL_SESS_ATTR_KEEPALIVE, // SOL_SOCKET,SO_KEEPALIVE
114 VCL_SESS_ATTR_TCP_NODELAY, // SOL_TCP,TCP_NODELAY
115 VCL_SESS_ATTR_TCP_KEEPIDLE, // SOL_TCP,TCP_KEEPIDLE
116 VCL_SESS_ATTR_TCP_KEEPINTVL, // SOL_TCP,TCP_KEEPINTVL
118 } vppcom_session_attr_t;
120 #define VCL_SESS_ATTR_SET(ATTR, VAL) \
122 (ATTR) |= 1 << (VAL); \
125 #define VCL_SESS_ATTR_CLR(ATTR, VAL) \
127 (ATTR) &= ~(1 << (VAL)); \
130 #define VCL_SESS_ATTR_TEST(ATTR, VAL) \
131 ((ATTR) & (1 << (VAL)) ? 1 : 0)
135 volatile session_state_t state;
139 u32 sndbuf_size; // VPP-TBD: Hack until support setsockopt(SO_SNDBUF)
140 u32 rcvbuf_size; // VPP-TBD: Hack until support setsockopt(SO_RCVBUF)
141 u32 user_mss; // VPP-TBD: Hack until support setsockopt(TCP_MAXSEG)
146 svm_queue_t *vpp_event_queue;
148 /* Socket configuration state */
155 vppcom_ip46_t lcl_addr;
156 vppcom_ip46_t peer_addr;
157 u16 lcl_port; // network order
158 u16 peer_port; // network order
160 u64 client_queue_address;
162 elog_track_t elog_track;
165 typedef struct vppcom_cfg_t_
168 u32 vpp_api_q_length;
171 u32 add_segment_size;
172 u32 preallocated_fifo_pairs;
175 u32 event_queue_size;
176 u32 listen_queue_size;
177 u8 app_proxy_transport_tcp;
178 u8 app_proxy_transport_udp;
182 u64 namespace_secret;
187 char *event_log_path;
188 u8 *vpp_api_filename;
191 typedef struct vppcom_main_t_
195 u32 *client_session_index_fifo;
198 /* vpp input queue */
199 svm_queue_t *vl_input_queue;
201 /* API client handle */
205 clib_spinlock_t sessions_lockp;
208 /* Hash table for disconnect processing */
209 uword *session_index_by_vpp_handles;
212 clib_bitmap_t *rd_bitmap;
213 clib_bitmap_t *wr_bitmap;
214 clib_bitmap_t *ex_bitmap;
216 /* Our event queue */
217 svm_queue_t *app_event_queue;
219 /* unique segment name counter */
220 u32 unique_segment_index;
222 /* For deadman timers */
223 clib_time_t clib_time;
225 /* State of the connection, shared between msg RX thread and main thread */
226 volatile app_state_t app_state;
231 elog_main_t elog_main;
232 elog_track_t elog_track;
234 /* VNET_API_ERROR_FOO -> "Foo" hash table */
235 uword *error_string_by_error_number;
238 /* NOTE: _vppcom_main is only used until the heap is allocated.
239 * Do not access it directly -- use vcm which will point to
240 * the heap allocated copy after init.
242 static vppcom_main_t _vppcom_main = {
243 .debug = VPPCOM_DEBUG_INIT,
244 .my_client_index = ~0
247 static vppcom_main_t *vcm = &_vppcom_main;
249 #define VCL_LOCK_AND_GET_SESSION(I, S) \
251 clib_spinlock_lock (&vcm->sessions_lockp); \
252 rv = vppcom_session_at_index (I, S); \
253 if (PREDICT_FALSE (rv)) \
255 clib_spinlock_unlock (&vcm->sessions_lockp); \
256 clib_warning ("VCL<%d>: ERROR: Invalid ##I (%u)!", \
263 vppcom_app_state_str (app_state_t state)
269 case STATE_APP_START:
270 st = "STATE_APP_START";
273 case STATE_APP_CONN_VPP:
274 st = "STATE_APP_CONN_VPP";
277 case STATE_APP_ENABLED:
278 st = "STATE_APP_ENABLED";
281 case STATE_APP_ATTACHED:
282 st = "STATE_APP_ATTACHED";
286 st = "UNKNOWN_APP_STATE";
294 vppcom_session_state_str (session_state_t state)
305 st = "STATE_CONNECT";
316 case STATE_CLOSE_ON_EMPTY:
317 st = "STATE_CLOSE_ON_EMPTY";
320 case STATE_DISCONNECT:
321 st = "STATE_DISCONNECT";
329 st = "UNKNOWN_STATE";
337 * VPPCOM Utility Functions
340 vppcom_session_at_index (u32 session_index, session_t * volatile *sess)
342 /* Assumes that caller has acquired spinlock: vcm->sessions_lockp */
343 if (PREDICT_FALSE ((session_index == ~0) ||
344 pool_is_free_index (vcm->sessions, session_index)))
346 clib_warning ("VCL<%d>: invalid session, sid (%u) has been closed!",
347 getpid (), session_index);
348 return VPPCOM_EBADFD;
350 *sess = pool_elt_at_index (vcm->sessions, session_index);
355 vppcom_session_table_add_listener (u64 listener_handle, u32 value)
357 /* Session and listener handles have different formats. The latter has
358 * the thread index in the upper 32 bits while the former has the session
359 * type. Knowing that, for listeners we just flip the MSB to 1 */
360 listener_handle |= 1ULL << 63;
361 hash_set (vcm->session_index_by_vpp_handles, listener_handle, value);
364 static inline session_t *
365 vppcom_session_table_lookup_listener (u64 listener_handle)
368 u64 handle = listener_handle | (1ULL << 63);
371 p = hash_get (vcm->session_index_by_vpp_handles, handle);
374 clib_warning ("VCL<%d>: couldn't find listen session: unknown vpp "
375 "listener handle %llx", getpid (), listener_handle);
378 if (pool_is_free_index (vcm->sessions, p[0]))
380 if (VPPCOM_DEBUG > 1)
381 clib_warning ("VCL<%d>: invalid listen session, sid (%u)",
386 session = pool_elt_at_index (vcm->sessions, p[0]);
387 ASSERT (session->state & STATE_LISTEN);
392 vppcom_session_table_del_listener (u64 listener_handle)
394 listener_handle |= 1ULL << 63;
395 hash_unset (vcm->session_index_by_vpp_handles, listener_handle);
401 elog_main_t *em = &vcm->elog_main;
403 clib_error_t *error = 0;
406 (char *) format (0, "%s/%d-%d-vcl-elog%c", vcm->cfg.event_log_path,
407 vcm->my_client_index, getpid (), 0);
408 error = elog_write_file (em, chroot_file, 1 /* flush ring */ );
411 clib_error_report (error);
413 if (VPPCOM_DEBUG > 0)
414 clib_warning ("[%d] Event Log:'%s' ", getpid (), chroot_file);
419 vppcom_connect_to_vpp (char *app_name)
421 api_main_t *am = &api_main;
422 vppcom_cfg_t *vcl_cfg = &vcm->cfg;
425 if (!vcl_cfg->vpp_api_filename)
426 vcl_cfg->vpp_api_filename = format (0, "/vpe-api%c", 0);
428 if (VPPCOM_DEBUG > 0)
429 clib_warning ("VCL<%d>: app (%s) connecting to VPP api (%s)...",
430 getpid (), app_name, vcl_cfg->vpp_api_filename);
432 if (vl_client_connect_to_vlib ((char *) vcl_cfg->vpp_api_filename, app_name,
433 vcm->cfg.vpp_api_q_length) < 0)
435 clib_warning ("VCL<%d>: app (%s) connect failed!", getpid (), app_name);
436 rv = VPPCOM_ECONNREFUSED;
440 vcm->vl_input_queue = am->shmem_hdr->vl_input_queue;
441 vcm->my_client_index = am->my_client_index;
442 vcm->app_state = STATE_APP_CONN_VPP;
444 if (VPPCOM_DEBUG > 0)
445 clib_warning ("VCL<%d>: app (%s) is connected to VPP!",
446 getpid (), app_name);
449 if (VPPCOM_DEBUG > 0)
451 vcm->elog_main.lock =
452 clib_mem_alloc_aligned (CLIB_CACHE_LINE_BYTES, CLIB_CACHE_LINE_BYTES);
453 vcm->elog_main.lock[0] = 0;
454 vcm->elog_main.event_ring_size = vcm->cfg.event_ring_size;
455 elog_init (&vcm->elog_main, vcm->elog_main.event_ring_size);
456 elog_enable_disable (&vcm->elog_main, 1);
458 vcm->elog_track.name =
459 (char *) format (0, "P:%d:C:%d%c", getpid (),
460 vcm->my_client_index, 0);
461 elog_track_register (&vcm->elog_main, &vcm->elog_track);
464 ELOG_TYPE_DECLARE (e) =
466 .format = "connect_vpp:rv:%d",
473 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, vcm->elog_track);
481 format_api_error (u8 * s, va_list * args)
483 i32 error = va_arg (*args, u32);
486 p = hash_get (vcm->error_string_by_error_number, -error);
489 s = format (s, "%s (%d)", p[0], error);
491 s = format (s, "%d", error);
496 vppcom_init_error_string_table (void)
498 vcm->error_string_by_error_number = hash_create (0, sizeof (uword));
500 #define _(n, v, s) hash_set (vcm->error_string_by_error_number, -v, s);
501 foreach_vnet_api_error;
504 hash_set (vcm->error_string_by_error_number, 99, "Misc");
508 vppcom_wait_for_app_state_change (app_state_t app_state)
510 f64 timeout = clib_time_now (&vcm->clib_time) + vcm->cfg.app_timeout;
512 while (clib_time_now (&vcm->clib_time) < timeout)
514 if (vcm->app_state == app_state)
517 if (VPPCOM_DEBUG > 0)
518 clib_warning ("VCL<%d>: timeout waiting for state %s (%d)", getpid (),
519 vppcom_app_state_str (app_state), app_state);
521 if (VPPCOM_DEBUG > 0)
524 ELOG_TYPE_DECLARE (e) =
526 .format = "ERR: timeout state:%d",
534 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, vcm->elog_track);
536 ed->data = app_state;
540 return VPPCOM_ETIMEDOUT;
544 vppcom_wait_for_session_state_change (u32 session_index,
545 session_state_t state,
548 f64 timeout = clib_time_now (&vcm->clib_time) + wait_for_time;
549 session_t *volatile session;
554 clib_spinlock_lock (&vcm->sessions_lockp);
555 rv = vppcom_session_at_index (session_index, &session);
556 if (PREDICT_FALSE (rv))
558 clib_spinlock_unlock (&vcm->sessions_lockp);
561 if (session->state & state)
563 clib_spinlock_unlock (&vcm->sessions_lockp);
566 if (session->state & STATE_FAILED)
568 clib_spinlock_unlock (&vcm->sessions_lockp);
569 return VPPCOM_ECONNREFUSED;
572 clib_spinlock_unlock (&vcm->sessions_lockp);
574 while (clib_time_now (&vcm->clib_time) < timeout);
576 if (VPPCOM_DEBUG > 0)
577 clib_warning ("VCL<%d>: timeout waiting for state 0x%x (%s)", getpid (),
578 state, vppcom_session_state_str (state));
580 if (VPPCOM_DEBUG > 0)
583 ELOG_TYPE_DECLARE (e) =
585 .format = "ERR: timeout state:%d",
593 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
599 return VPPCOM_ETIMEDOUT;
603 vppcom_wait_for_client_session_index (f64 wait_for_time)
605 f64 timeout = clib_time_now (&vcm->clib_time) + wait_for_time;
609 if (clib_fifo_elts (vcm->client_session_index_fifo))
612 while (clib_time_now (&vcm->clib_time) < timeout);
614 if (wait_for_time == 0)
615 return VPPCOM_EAGAIN;
617 if (VPPCOM_DEBUG > 0)
618 clib_warning ("VCL<%d>: timeout waiting for client_session_index",
621 if (VPPCOM_DEBUG > 0)
624 ELOG_TYPE_DECLARE (e) =
626 .format = "ERR: timeout waiting for session index :%d",
634 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, vcm->elog_track);
640 return VPPCOM_ETIMEDOUT;
644 * VPP-API message functions
647 vppcom_send_session_enable_disable (u8 is_enable)
649 vl_api_session_enable_disable_t *bmp;
650 bmp = vl_msg_api_alloc (sizeof (*bmp));
651 memset (bmp, 0, sizeof (*bmp));
653 bmp->_vl_msg_id = ntohs (VL_API_SESSION_ENABLE_DISABLE);
654 bmp->client_index = vcm->my_client_index;
655 bmp->context = htonl (0xfeedface);
656 bmp->is_enable = is_enable;
657 vl_msg_api_send_shmem (vcm->vl_input_queue, (u8 *) & bmp);
661 vppcom_app_session_enable (void)
665 if (vcm->app_state != STATE_APP_ENABLED)
667 vppcom_send_session_enable_disable (1 /* is_enabled == TRUE */ );
668 rv = vppcom_wait_for_app_state_change (STATE_APP_ENABLED);
669 if (PREDICT_FALSE (rv))
671 if (VPPCOM_DEBUG > 0)
672 clib_warning ("VCL<%d>: application session enable timed out! "
674 getpid (), rv, vppcom_retval_str (rv));
682 vl_api_session_enable_disable_reply_t_handler
683 (vl_api_session_enable_disable_reply_t * mp)
687 clib_warning ("VCL<%d>: session_enable_disable failed: %U", getpid (),
688 format_api_error, ntohl (mp->retval));
691 vcm->app_state = STATE_APP_ENABLED;
695 vppcom_app_send_attach (void)
697 vl_api_application_attach_t *bmp;
698 u8 nsid_len = vec_len (vcm->cfg.namespace_id);
699 u8 app_is_proxy = (vcm->cfg.app_proxy_transport_tcp ||
700 vcm->cfg.app_proxy_transport_udp);
702 bmp = vl_msg_api_alloc (sizeof (*bmp));
703 memset (bmp, 0, sizeof (*bmp));
705 bmp->_vl_msg_id = ntohs (VL_API_APPLICATION_ATTACH);
706 bmp->client_index = vcm->my_client_index;
707 bmp->context = htonl (0xfeedface);
708 bmp->options[APP_OPTIONS_FLAGS] =
709 APP_OPTIONS_FLAGS_ACCEPT_REDIRECT | APP_OPTIONS_FLAGS_ADD_SEGMENT |
710 (vcm->cfg.app_scope_local ? APP_OPTIONS_FLAGS_USE_LOCAL_SCOPE : 0) |
711 (vcm->cfg.app_scope_global ? APP_OPTIONS_FLAGS_USE_GLOBAL_SCOPE : 0) |
712 (app_is_proxy ? APP_OPTIONS_FLAGS_IS_PROXY : 0);
713 bmp->options[APP_OPTIONS_PROXY_TRANSPORT] =
714 (vcm->cfg.app_proxy_transport_tcp ? 1 << TRANSPORT_PROTO_TCP : 0) |
715 (vcm->cfg.app_proxy_transport_udp ? 1 << TRANSPORT_PROTO_UDP : 0);
716 bmp->options[APP_OPTIONS_SEGMENT_SIZE] = vcm->cfg.segment_size;
717 bmp->options[APP_OPTIONS_ADD_SEGMENT_SIZE] = vcm->cfg.add_segment_size;
718 bmp->options[APP_OPTIONS_RX_FIFO_SIZE] = vcm->cfg.rx_fifo_size;
719 bmp->options[APP_OPTIONS_TX_FIFO_SIZE] = vcm->cfg.tx_fifo_size;
720 bmp->options[APP_OPTIONS_PREALLOC_FIFO_PAIRS] =
721 vcm->cfg.preallocated_fifo_pairs;
722 bmp->options[APP_OPTIONS_EVT_QUEUE_SIZE] = vcm->cfg.event_queue_size;
725 bmp->namespace_id_len = nsid_len;
726 clib_memcpy (bmp->namespace_id, vcm->cfg.namespace_id, nsid_len);
727 bmp->options[APP_OPTIONS_NAMESPACE_SECRET] = vcm->cfg.namespace_secret;
729 vl_msg_api_send_shmem (vcm->vl_input_queue, (u8 *) & bmp);
733 vppcom_app_attach (void)
737 vppcom_app_send_attach ();
738 rv = vppcom_wait_for_app_state_change (STATE_APP_ATTACHED);
739 if (PREDICT_FALSE (rv))
741 if (VPPCOM_DEBUG > 0)
742 clib_warning ("VCL<%d>: application attach timed out! "
744 getpid (), rv, vppcom_retval_str (rv));
751 vppcom_app_detach (void)
753 vl_api_application_detach_t *bmp;
754 bmp = vl_msg_api_alloc (sizeof (*bmp));
755 memset (bmp, 0, sizeof (*bmp));
757 bmp->_vl_msg_id = ntohs (VL_API_APPLICATION_DETACH);
758 bmp->client_index = vcm->my_client_index;
759 bmp->context = htonl (0xfeedface);
760 vl_msg_api_send_shmem (vcm->vl_input_queue, (u8 *) & bmp);
764 vl_api_application_attach_reply_t_handler (vl_api_application_attach_reply_t *
767 static svm_fifo_segment_create_args_t _a;
768 svm_fifo_segment_create_args_t *a = &_a;
771 memset (a, 0, sizeof (*a));
774 clib_warning ("VCL<%d>: attach failed: %U", getpid (),
775 format_api_error, ntohl (mp->retval));
779 if (mp->segment_name_length == 0)
781 clib_warning ("VCL<%d>: segment_name_length zero", getpid ());
785 a->segment_name = (char *) mp->segment_name;
786 a->segment_size = mp->segment_size;
788 ASSERT (mp->app_event_queue_address);
790 /* Attach to the segment vpp created */
791 rv = svm_fifo_segment_attach (a);
792 vec_reset_length (a->new_segment_indices);
793 if (PREDICT_FALSE (rv))
795 clib_warning ("VCL<%d>: svm_fifo_segment_attach ('%s') failed",
796 getpid (), mp->segment_name);
800 vcm->app_event_queue =
801 uword_to_pointer (mp->app_event_queue_address, svm_queue_t *);
803 vcm->app_state = STATE_APP_ATTACHED;
807 vl_api_application_detach_reply_t_handler (vl_api_application_detach_reply_t *
811 clib_warning ("VCL<%d>: detach failed: %U", getpid (), format_api_error,
814 vcm->app_state = STATE_APP_ENABLED;
818 vl_api_disconnect_session_reply_t_handler (vl_api_disconnect_session_reply_t *
822 clib_warning ("VCL<%d>: vpp handle 0x%llx: disconnect session failed: %U",
823 getpid (), mp->handle, format_api_error,
828 vl_api_map_another_segment_t_handler (vl_api_map_another_segment_t * mp)
830 static svm_fifo_segment_create_args_t _a;
831 svm_fifo_segment_create_args_t *a = &_a;
834 memset (a, 0, sizeof (*a));
835 a->segment_name = (char *) mp->segment_name;
836 a->segment_size = mp->segment_size;
837 /* Attach to the segment vpp created */
838 rv = svm_fifo_segment_attach (a);
839 vec_reset_length (a->new_segment_indices);
840 if (PREDICT_FALSE (rv))
842 clib_warning ("VCL<%d>: svm_fifo_segment_attach ('%s') failed",
843 getpid (), mp->segment_name);
846 if (VPPCOM_DEBUG > 1)
847 clib_warning ("VCL<%d>: mapped new segment '%s' size %d", getpid (),
848 mp->segment_name, mp->segment_size);
852 vl_api_unmap_segment_t_handler (vl_api_unmap_segment_t * mp)
856 * XXX Need segment_name to session_id hash,
857 * XXX - have sessionID by handle hash currently
859 clib_warning ("Unmapped segment '%s'", mp->segment_name);
863 vl_api_disconnect_session_t_handler (vl_api_disconnect_session_t * mp)
867 p = hash_get (vcm->session_index_by_vpp_handles, mp->handle);
871 session_t *session = 0;
872 u32 session_index = p[0];
874 VCL_LOCK_AND_GET_SESSION (session_index, &session);
875 session->state = STATE_CLOSE_ON_EMPTY;
877 if (VPPCOM_DEBUG > 1)
878 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
879 "setting state to 0x%x (%s)",
880 getpid (), mp->handle, session_index, session->state,
881 vppcom_session_state_str (session->state));
882 clib_spinlock_unlock (&vcm->sessions_lockp);
886 if (VPPCOM_DEBUG > 1)
887 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
888 "session lookup failed!",
889 getpid (), mp->handle, session_index);
892 clib_warning ("VCL<%d>: vpp handle 0x%llx: session lookup by "
893 "handle failed!", getpid (), mp->handle);
897 vl_api_reset_session_t_handler (vl_api_reset_session_t * mp)
899 session_t *session = 0;
900 vl_api_reset_session_reply_t *rmp;
904 p = hash_get (vcm->session_index_by_vpp_handles, mp->handle);
908 clib_spinlock_lock (&vcm->sessions_lockp);
909 rval = vppcom_session_at_index (p[0], &session);
910 if (PREDICT_FALSE (rval))
912 rv = VNET_API_ERROR_INVALID_VALUE_2;
913 clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: "
914 "session lookup failed! returning %d %U",
915 getpid (), mp->handle, p[0],
916 rv, format_api_error, rv);
920 /* TBD: should this disconnect immediately and
923 session->state = STATE_CLOSE_ON_EMPTY;
925 if (VPPCOM_DEBUG > 1)
926 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
927 "state set to %d (%s)!", getpid (),
928 mp->handle, p[0], session->state,
929 vppcom_session_state_str (session->state));
931 clib_spinlock_unlock (&vcm->sessions_lockp);
935 rv = VNET_API_ERROR_INVALID_VALUE;
936 clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx: session lookup "
937 "failed! returning %d %U",
938 getpid (), mp->handle, rv, format_api_error, rv);
941 rmp = vl_msg_api_alloc (sizeof (*rmp));
942 memset (rmp, 0, sizeof (*rmp));
943 rmp->_vl_msg_id = ntohs (VL_API_RESET_SESSION_REPLY);
944 rmp->retval = htonl (rv);
945 rmp->handle = mp->handle;
946 vl_msg_api_send_shmem (vcm->vl_input_queue, (u8 *) & rmp);
950 vl_api_connect_session_reply_t_handler (vl_api_connect_session_reply_t * mp)
952 session_t *session = 0;
954 svm_fifo_t *rx_fifo, *tx_fifo;
957 session_index = mp->context;
958 VCL_LOCK_AND_GET_SESSION (session_index, &session);
962 clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: "
963 "connect failed! %U",
964 getpid (), mp->handle, session_index,
965 format_api_error, ntohl (mp->retval));
968 session->state = STATE_FAILED;
969 session->vpp_handle = mp->handle;
973 clib_warning ("[%s] ERROR: vpp handle 0x%llx, sid %u: "
974 "Invalid session index (%u)!",
975 getpid (), mp->handle, session_index);
986 session->vpp_event_queue = uword_to_pointer (mp->vpp_event_queue_address,
989 rx_fifo = uword_to_pointer (mp->server_rx_fifo, svm_fifo_t *);
990 rx_fifo->client_session_index = session_index;
991 tx_fifo = uword_to_pointer (mp->server_tx_fifo, svm_fifo_t *);
992 tx_fifo->client_session_index = session_index;
994 session->rx_fifo = rx_fifo;
995 session->tx_fifo = tx_fifo;
996 session->vpp_handle = mp->handle;
997 session->lcl_addr.is_ip4 = mp->is_ip4;
998 clib_memcpy (&session->lcl_addr.ip46, mp->lcl_ip,
999 sizeof (session->peer_addr.ip46));
1000 session->lcl_port = mp->lcl_port;
1001 session->state = STATE_CONNECT;
1003 /* Add it to lookup table */
1004 hash_set (vcm->session_index_by_vpp_handles, mp->handle, session_index);
1006 if (VPPCOM_DEBUG > 1)
1007 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: connect succeeded!"
1008 " session_rx_fifo %p, refcnt %d,"
1009 " session_tx_fifo %p, refcnt %d",
1010 getpid (), mp->handle, session_index,
1012 session->rx_fifo->refcnt,
1013 session->tx_fifo, session->tx_fifo->refcnt);
1015 clib_spinlock_unlock (&vcm->sessions_lockp);
1019 vppcom_send_connect_sock (session_t * session, u32 session_index)
1021 vl_api_connect_sock_t *cmp;
1023 /* Assumes caller as acquired the spinlock: vcm->sessions_lockp */
1024 cmp = vl_msg_api_alloc (sizeof (*cmp));
1025 memset (cmp, 0, sizeof (*cmp));
1026 cmp->_vl_msg_id = ntohs (VL_API_CONNECT_SOCK);
1027 cmp->client_index = vcm->my_client_index;
1028 cmp->context = session_index;
1030 cmp->is_ip4 = session->peer_addr.is_ip4;
1031 clib_memcpy (cmp->ip, &session->peer_addr.ip46, sizeof (cmp->ip));
1032 cmp->port = session->peer_port;
1033 cmp->proto = session->proto;
1034 clib_memcpy (cmp->options, session->options, sizeof (cmp->options));
1035 vl_msg_api_send_shmem (vcm->vl_input_queue, (u8 *) & cmp);
1039 vppcom_send_disconnect_session_reply (u64 vpp_handle, u32 session_index,
1042 vl_api_disconnect_session_reply_t *rmp;
1044 if (VPPCOM_DEBUG > 1)
1045 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
1046 "sending disconnect msg",
1047 getpid (), vpp_handle, session_index);
1049 rmp = vl_msg_api_alloc (sizeof (*rmp));
1050 memset (rmp, 0, sizeof (*rmp));
1052 rmp->_vl_msg_id = ntohs (VL_API_DISCONNECT_SESSION_REPLY);
1053 rmp->retval = htonl (rv);
1054 rmp->handle = vpp_handle;
1055 vl_msg_api_send_shmem (vcm->vl_input_queue, (u8 *) & rmp);
1059 vppcom_send_disconnect_session (u64 vpp_handle, u32 session_index)
1061 vl_api_disconnect_session_t *dmp;
1063 if (VPPCOM_DEBUG > 1)
1064 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
1065 "sending disconnect msg",
1066 getpid (), vpp_handle, session_index);
1068 dmp = vl_msg_api_alloc (sizeof (*dmp));
1069 memset (dmp, 0, sizeof (*dmp));
1070 dmp->_vl_msg_id = ntohs (VL_API_DISCONNECT_SESSION);
1071 dmp->client_index = vcm->my_client_index;
1072 dmp->handle = vpp_handle;
1073 vl_msg_api_send_shmem (vcm->vl_input_queue, (u8 *) & dmp);
1077 vl_api_bind_sock_reply_t_handler (vl_api_bind_sock_reply_t * mp)
1079 session_t *session = 0;
1080 u32 session_index = mp->context;
1083 VCL_LOCK_AND_GET_SESSION (session_index, &session);
1087 clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, "
1088 "sid %u: bind failed: %U",
1089 getpid (), mp->handle, session_index,
1090 format_api_error, ntohl (mp->retval));
1091 rv = vppcom_session_at_index (session_index, &session);
1092 if (rv == VPPCOM_OK)
1094 session->state = STATE_FAILED;
1095 session->vpp_handle = mp->handle;
1099 clib_warning ("[%s] ERROR: vpp handle 0x%llx, sid %u: "
1100 "Invalid session index (%u)!",
1101 getpid (), mp->handle, session_index);
1106 session->vpp_handle = mp->handle;
1107 session->lcl_addr.is_ip4 = mp->lcl_is_ip4;
1108 clib_memcpy (&session->lcl_addr.ip46, mp->lcl_ip,
1109 sizeof (session->peer_addr.ip46));
1110 session->lcl_port = mp->lcl_port;
1111 vppcom_session_table_add_listener (mp->handle, session_index);
1112 session->state = STATE_LISTEN;
1114 if (VPPCOM_DEBUG > 1)
1115 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: bind succeeded!",
1116 getpid (), mp->handle, mp->context);
1118 clib_spinlock_unlock (&vcm->sessions_lockp);
1122 vl_api_unbind_sock_reply_t_handler (vl_api_unbind_sock_reply_t * mp)
1125 clib_warning ("VCL<%d>: ERROR: sid %u: unbind failed: %U",
1126 getpid (), mp->context, format_api_error,
1127 ntohl (mp->retval));
1129 else if (VPPCOM_DEBUG > 1)
1130 clib_warning ("VCL<%d>: sid %u: unbind succeeded!",
1131 getpid (), mp->context);
1135 format_ip4_address (u8 * s, va_list * args)
1137 u8 *a = va_arg (*args, u8 *);
1138 return format (s, "%d.%d.%d.%d", a[0], a[1], a[2], a[3]);
1142 format_ip6_address (u8 * s, va_list * args)
1144 ip6_address_t *a = va_arg (*args, ip6_address_t *);
1145 u32 i, i_max_n_zero, max_n_zeros, i_first_zero, n_zeros, last_double_colon;
1147 i_max_n_zero = ARRAY_LEN (a->as_u16);
1149 i_first_zero = i_max_n_zero;
1151 for (i = 0; i < ARRAY_LEN (a->as_u16); i++)
1153 u32 is_zero = a->as_u16[i] == 0;
1154 if (is_zero && i_first_zero >= ARRAY_LEN (a->as_u16))
1160 if ((!is_zero && n_zeros > max_n_zeros)
1161 || (i + 1 >= ARRAY_LEN (a->as_u16) && n_zeros > max_n_zeros))
1163 i_max_n_zero = i_first_zero;
1164 max_n_zeros = n_zeros;
1165 i_first_zero = ARRAY_LEN (a->as_u16);
1170 last_double_colon = 0;
1171 for (i = 0; i < ARRAY_LEN (a->as_u16); i++)
1173 if (i == i_max_n_zero && max_n_zeros > 1)
1175 s = format (s, "::");
1176 i += max_n_zeros - 1;
1177 last_double_colon = 1;
1181 s = format (s, "%s%x",
1182 (last_double_colon || i == 0) ? "" : ":",
1183 clib_net_to_host_u16 (a->as_u16[i]));
1184 last_double_colon = 0;
1191 /* Format an IP46 address. */
1193 format_ip46_address (u8 * s, va_list * args)
1195 ip46_address_t *ip46 = va_arg (*args, ip46_address_t *);
1196 ip46_type_t type = va_arg (*args, ip46_type_t);
1202 is_ip4 = ip46_address_is_ip4 (ip46);
1213 format (s, "%U", format_ip4_address, &ip46->ip4) :
1214 format (s, "%U", format_ip6_address, &ip46->ip6);
1218 vppcom_send_accept_session_reply (u64 handle, u32 context, int retval)
1220 vl_api_accept_session_reply_t *rmp;
1222 rmp = vl_msg_api_alloc (sizeof (*rmp));
1223 memset (rmp, 0, sizeof (*rmp));
1224 rmp->_vl_msg_id = ntohs (VL_API_ACCEPT_SESSION_REPLY);
1225 rmp->retval = htonl (retval);
1226 rmp->context = context;
1227 rmp->handle = handle;
1228 vl_msg_api_send_shmem (vcm->vl_input_queue, (u8 *) & rmp);
1232 vl_api_accept_session_t_handler (vl_api_accept_session_t * mp)
1234 svm_fifo_t *rx_fifo, *tx_fifo;
1235 session_t *session, *listen_session;
1238 clib_spinlock_lock (&vcm->sessions_lockp);
1239 if (!clib_fifo_free_elts (vcm->client_session_index_fifo))
1241 clib_warning ("VCL<%d>: client session queue is full!", getpid ());
1242 vppcom_send_accept_session_reply (mp->handle, mp->context,
1243 VNET_API_ERROR_QUEUE_FULL);
1244 clib_spinlock_unlock (&vcm->sessions_lockp);
1248 listen_session = vppcom_session_table_lookup_listener (mp->listener_handle);
1249 if (!listen_session)
1251 clib_warning ("VCL<%d>: ERROR: couldn't find listen session: "
1252 "unknown vpp listener handle %llx",
1253 getpid (), mp->listener_handle);
1254 clib_spinlock_unlock (&vcm->sessions_lockp);
1258 /* Allocate local session and set it up */
1259 pool_get (vcm->sessions, session);
1260 memset (session, 0, sizeof (*session));
1261 session_index = session - vcm->sessions;
1263 rx_fifo = uword_to_pointer (mp->server_rx_fifo, svm_fifo_t *);
1264 rx_fifo->client_session_index = session_index;
1265 tx_fifo = uword_to_pointer (mp->server_tx_fifo, svm_fifo_t *);
1266 tx_fifo->client_session_index = session_index;
1268 session->vpp_handle = mp->handle;
1269 session->client_context = mp->context;
1270 session->rx_fifo = rx_fifo;
1271 session->tx_fifo = tx_fifo;
1272 session->vpp_event_queue = uword_to_pointer (mp->vpp_event_queue_address,
1274 session->state = STATE_ACCEPT;
1275 session->peer_port = mp->port;
1276 session->peer_addr.is_ip4 = mp->is_ip4;
1277 clib_memcpy (&session->peer_addr.ip46, mp->ip,
1278 sizeof (session->peer_addr.ip46));
1280 /* Add it to lookup table */
1281 hash_set (vcm->session_index_by_vpp_handles, mp->handle, session_index);
1282 session->lcl_port = listen_session->lcl_port;
1283 session->lcl_addr = listen_session->lcl_addr;
1285 /* TBD: move client_session_index_fifo into listener session */
1286 clib_fifo_add1 (vcm->client_session_index_fifo, session_index);
1288 if (VPPCOM_DEBUG > 1)
1289 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: client accept "
1290 "request from %s address %U port %d queue %p!", getpid (),
1291 mp->handle, session_index, mp->is_ip4 ? "IPv4" : "IPv6",
1292 format_ip46_address, &mp->ip, mp->is_ip4,
1293 clib_net_to_host_u16 (mp->port), session->vpp_event_queue);
1295 if (VPPCOM_DEBUG > 0)
1297 session->elog_track.name =
1298 (char *) format (0, "C:%d:S:%d%c", vcm->my_client_index,
1300 elog_track_register (&vcm->elog_main, &session->elog_track);
1302 if (session->peer_addr.is_ip4)
1305 ELOG_TYPE_DECLARE (e) =
1308 "client_accept:handle:%x addr:%d.%d.%d.%d:%d",
1309 .format_args = "i8i1i1i1i1i2",
1312 CLIB_PACKED (struct {
1318 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
1320 ed->handle = mp->handle;
1321 ed->addr[0] = session->peer_addr.ip46.ip4.as_u8[0];
1322 ed->addr[1] = session->peer_addr.ip46.ip4.as_u8[1];
1323 ed->addr[2] = session->peer_addr.ip46.ip4.as_u8[2];
1324 ed->addr[3] = session->peer_addr.ip46.ip4.as_u8[3];
1325 ed->port = clib_net_to_host_u16 (session->peer_port);
1330 clib_warning ("ip6");
1333 clib_spinlock_unlock (&vcm->sessions_lockp);
1338 vppcom_send_connect_session_reply (session_t * session, u32 session_index,
1339 u64 vpp_handle, u32 context, int retval)
1341 vl_api_connect_session_reply_t *rmp;
1343 svm_queue_t *client_q;
1345 rmp = vl_msg_api_alloc (sizeof (*rmp));
1346 memset (rmp, 0, sizeof (*rmp));
1347 rmp->_vl_msg_id = ntohs (VL_API_CONNECT_SESSION_REPLY);
1351 rmp->context = context;
1352 rmp->handle = vpp_handle;
1353 rmp->retval = htonl (retval);
1354 vl_msg_api_send_shmem (vcm->vl_input_queue, (u8 *) & rmp);
1358 rmp->context = session->client_context;
1359 rmp->retval = htonl (retval);
1360 rmp->handle = session->vpp_handle;
1361 rmp->server_rx_fifo = pointer_to_uword (session->rx_fifo);
1362 rmp->server_tx_fifo = pointer_to_uword (session->tx_fifo);
1363 rmp->vpp_event_queue_address = pointer_to_uword (session->vpp_event_queue);
1364 rmp->segment_size = vcm->cfg.segment_size;
1365 len = vec_len (session->segment_name);
1366 rmp->segment_name_length = clib_min (len, sizeof (rmp->segment_name));
1367 clib_memcpy (rmp->segment_name, session->segment_name,
1368 rmp->segment_name_length - 1);
1369 clib_memcpy (rmp->lcl_ip, session->peer_addr.ip46.as_u8,
1370 sizeof (rmp->lcl_ip));
1371 rmp->is_ip4 = session->peer_addr.is_ip4;
1372 rmp->lcl_port = session->peer_port;
1373 client_q = uword_to_pointer (session->client_queue_address, svm_queue_t *);
1375 vl_msg_api_send_shmem (client_q, (u8 *) & rmp);
1379 * Acting as server for redirected connect requests
1382 vl_api_connect_sock_t_handler (vl_api_connect_sock_t * mp)
1385 session_t *session = 0;
1387 clib_spinlock_lock (&vcm->sessions_lockp);
1388 if (!clib_fifo_free_elts (vcm->client_session_index_fifo))
1390 clib_spinlock_unlock (&vcm->sessions_lockp);
1392 if (VPPCOM_DEBUG > 1)
1393 clib_warning ("VCL<%d>: client session queue is full!", getpid ());
1395 /* TBD: Fix api to include vpp handle */
1396 vppcom_send_connect_session_reply (0 /* session */ , 0 /* sid */ ,
1397 0 /* handle */ , mp->context,
1398 VNET_API_ERROR_QUEUE_FULL);
1402 pool_get (vcm->sessions, session);
1403 memset (session, 0, sizeof (*session));
1404 session_index = session - vcm->sessions;
1406 session->client_context = mp->context;
1407 session->vpp_handle = session_index;
1408 session->client_queue_address = mp->client_queue_address;
1409 session->lcl_port = mp->port;
1410 session->lcl_addr.is_ip4 = mp->is_ip4;
1411 clib_memcpy (&session->lcl_addr.ip46, mp->ip,
1412 sizeof (session->lcl_addr.ip46));
1414 /* TBD: missing peer info in api msg.
1416 session->peer_addr.is_ip4 = mp->is_ip4;
1417 ASSERT (session->lcl_addr.is_ip4 == session->peer_addr.is_ip4);
1419 session->state = STATE_ACCEPT;
1420 clib_fifo_add1 (vcm->client_session_index_fifo, session_index);
1421 if (VPPCOM_DEBUG > 1)
1422 clib_warning ("VCL<%d>: sid %u: Got a cut-thru connect request! "
1423 "clib_fifo_elts %u!\n", getpid (), session_index,
1424 clib_fifo_elts (vcm->client_session_index_fifo));
1426 if (VPPCOM_DEBUG > 0)
1428 session->elog_track.name =
1429 (char *) format (0, "C:%d:S:%d%c", vcm->my_client_index,
1431 elog_track_register (&vcm->elog_main, &session->elog_track);
1434 ELOG_TYPE_DECLARE (e) =
1436 .format = "cut-thru-connect:S:%d clib_fifo_elts:%d",
1437 .format_args = "i4i4",
1445 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
1447 ed->data[0] = session_index;
1448 ed->data[1] = clib_fifo_elts (vcm->client_session_index_fifo);
1452 clib_spinlock_unlock (&vcm->sessions_lockp);
1456 vppcom_send_bind_sock (session_t * session, u32 session_index)
1458 vl_api_bind_sock_t *bmp;
1460 /* Assumes caller has acquired spinlock: vcm->sessions_lockp */
1461 bmp = vl_msg_api_alloc (sizeof (*bmp));
1462 memset (bmp, 0, sizeof (*bmp));
1464 bmp->_vl_msg_id = ntohs (VL_API_BIND_SOCK);
1465 bmp->client_index = vcm->my_client_index;
1466 bmp->context = session_index;
1467 bmp->is_ip4 = session->lcl_addr.is_ip4;
1468 clib_memcpy (bmp->ip, &session->lcl_addr.ip46, sizeof (bmp->ip));
1469 bmp->port = session->lcl_port;
1470 bmp->proto = session->proto;
1471 clib_memcpy (bmp->options, session->options, sizeof (bmp->options));
1472 vl_msg_api_send_shmem (vcm->vl_input_queue, (u8 *) & bmp);
1476 vppcom_send_unbind_sock (u64 vpp_handle)
1478 vl_api_unbind_sock_t *ump;
1480 ump = vl_msg_api_alloc (sizeof (*ump));
1481 memset (ump, 0, sizeof (*ump));
1483 ump->_vl_msg_id = ntohs (VL_API_UNBIND_SOCK);
1484 ump->client_index = vcm->my_client_index;
1485 ump->handle = vpp_handle;
1486 vl_msg_api_send_shmem (vcm->vl_input_queue, (u8 *) & ump);
1490 vppcom_session_unbind (u32 session_index)
1492 session_t *session = 0;
1495 elog_track_t session_elog_track;
1497 VCL_LOCK_AND_GET_SESSION (session_index, &session);
1499 vpp_handle = session->vpp_handle;
1500 vppcom_session_table_del_listener (vpp_handle);
1501 session->vpp_handle = ~0;
1502 session->state = STATE_DISCONNECT;
1503 session_elog_track = session->elog_track;
1505 clib_spinlock_unlock (&vcm->sessions_lockp);
1507 if (VPPCOM_DEBUG > 1)
1508 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
1509 "sending unbind msg! new state 0x%x (%s)",
1510 getpid (), vpp_handle, session_index,
1512 vppcom_session_state_str (STATE_DISCONNECT));
1514 if (VPPCOM_DEBUG > 0)
1517 ELOG_TYPE_DECLARE (e) =
1519 .format = "unbind: handle:%x",
1520 .format_args = "i8",
1528 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session_elog_track);
1529 ed->handle = vpp_handle;
1533 vppcom_send_unbind_sock (vpp_handle);
1540 vppcom_session_disconnect (u32 session_index)
1545 session_state_t state;
1547 VCL_LOCK_AND_GET_SESSION (session_index, &session);
1549 vpp_handle = session->vpp_handle;
1550 state = session->state;
1551 clib_spinlock_unlock (&vcm->sessions_lockp);
1553 if (VPPCOM_DEBUG > 1)
1555 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u "
1557 getpid (), vpp_handle, session_index,
1558 state, vppcom_session_state_str (state));
1561 if (PREDICT_FALSE (state & STATE_LISTEN))
1563 clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: "
1564 "Cannot disconnect a listen socket!",
1565 getpid (), vpp_handle, session_index);
1570 /* The peer has already initiated the close,
1571 * so send the disconnect session reply.
1573 if (state & STATE_CLOSE_ON_EMPTY)
1575 //XXX alagalah - Check and drain here?
1576 vppcom_send_disconnect_session_reply (vpp_handle,
1577 session_index, 0 /* rv */ );
1578 if (VPPCOM_DEBUG > 1)
1579 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
1580 "sending disconnect REPLY...",
1581 getpid (), vpp_handle, session_index);
1584 /* Otherwise, send a disconnect session msg...
1588 if (VPPCOM_DEBUG > 1)
1589 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
1590 "sending disconnect...",
1591 getpid (), vpp_handle, session_index);
1593 vppcom_send_disconnect_session (vpp_handle, session_index);
1600 #define foreach_sock_msg \
1601 _(SESSION_ENABLE_DISABLE_REPLY, session_enable_disable_reply) \
1602 _(BIND_SOCK_REPLY, bind_sock_reply) \
1603 _(UNBIND_SOCK_REPLY, unbind_sock_reply) \
1604 _(ACCEPT_SESSION, accept_session) \
1605 _(CONNECT_SOCK, connect_sock) \
1606 _(CONNECT_SESSION_REPLY, connect_session_reply) \
1607 _(DISCONNECT_SESSION, disconnect_session) \
1608 _(DISCONNECT_SESSION_REPLY, disconnect_session_reply) \
1609 _(RESET_SESSION, reset_session) \
1610 _(APPLICATION_ATTACH_REPLY, application_attach_reply) \
1611 _(APPLICATION_DETACH_REPLY, application_detach_reply) \
1612 _(MAP_ANOTHER_SEGMENT, map_another_segment) \
1613 _(UNMAP_SEGMENT, unmap_segment)
1616 vppcom_api_hookup (void)
1619 vl_msg_api_set_handlers(VL_API_##N, #n, \
1620 vl_api_##n##_t_handler, \
1622 vl_api_##n##_t_endian, \
1623 vl_api_##n##_t_print, \
1624 sizeof(vl_api_##n##_t), 1);
1630 vppcom_cfg_init (vppcom_cfg_t * vcl_cfg)
1634 vcl_cfg->heapsize = (256ULL << 20);
1635 vcl_cfg->vpp_api_q_length = 1024;
1636 vcl_cfg->segment_baseva = 0x200000000ULL;
1637 vcl_cfg->segment_size = (256 << 20);
1638 vcl_cfg->add_segment_size = (128 << 20);
1639 vcl_cfg->preallocated_fifo_pairs = 8;
1640 vcl_cfg->rx_fifo_size = (1 << 20);
1641 vcl_cfg->tx_fifo_size = (1 << 20);
1642 vcl_cfg->event_queue_size = 2048;
1643 vcl_cfg->listen_queue_size = CLIB_CACHE_LINE_BYTES / sizeof (u32);
1644 vcl_cfg->app_timeout = 10 * 60.0;
1645 vcl_cfg->session_timeout = 10 * 60.0;
1646 vcl_cfg->accept_timeout = 60.0;
1647 vcl_cfg->event_ring_size = (128 << 10);
1648 vcl_cfg->event_log_path = "/dev/shm";
1652 vppcom_cfg_heapsize (char *conf_fname)
1654 vppcom_cfg_t *vcl_cfg = &vcm->cfg;
1667 fp = fopen (conf_fname, "r");
1670 if (VPPCOM_DEBUG > 0)
1671 clib_warning ("VCL<%d>: using default heapsize %lld (0x%llx)",
1672 getpid (), vcl_cfg->heapsize, vcl_cfg->heapsize);
1676 argv = calloc (1, sizeof (char *));
1679 if (VPPCOM_DEBUG > 0)
1680 clib_warning ("VCL<%d>: calloc failed, using default "
1681 "heapsize %lld (0x%llx)",
1682 getpid (), vcl_cfg->heapsize, vcl_cfg->heapsize);
1688 if (fgets (inbuf, 4096, fp) == 0)
1690 p = strtok (inbuf, " \t\n");
1696 char **tmp = realloc (argv, argc * sizeof (char *));
1699 if (VPPCOM_DEBUG > 0)
1700 clib_warning ("VCL<%d>: realloc failed, "
1701 "using default heapsize %lld (0x%llx)",
1702 getpid (), vcl_cfg->heapsize,
1707 arg = strndup (p, 1024);
1710 if (VPPCOM_DEBUG > 0)
1711 clib_warning ("VCL<%d>: strndup failed, "
1712 "using default heapsize %lld (0x%llx)",
1713 getpid (), vcl_cfg->heapsize,
1717 argv[argc - 1] = arg;
1718 p = strtok (NULL, " \t\n");
1725 char **tmp = realloc (argv, (argc + 1) * sizeof (char *));
1728 if (VPPCOM_DEBUG > 0)
1729 clib_warning ("VCL<%d>: realloc failed, "
1730 "using default heapsize %lld (0x%llx)",
1731 getpid (), vcl_cfg->heapsize, vcl_cfg->heapsize);
1738 * Look for and parse the "heapsize" config parameter.
1739 * Manual since none of the clib infra has been bootstrapped yet.
1741 * Format: heapsize <nn>[mM][gG]
1744 for (i = 1; i < (argc - 1); i++)
1746 if (!strncmp (argv[i], "heapsize", 8))
1748 sizep = (u8 *) argv[i + 1];
1750 while (*sizep >= '0' && *sizep <= '9')
1753 size += *sizep++ - '0';
1757 if (VPPCOM_DEBUG > 0)
1758 clib_warning ("VCL<%d>: parse error '%s %s', "
1759 "using default heapsize %lld (0x%llx)",
1760 getpid (), argv[i], argv[i + 1],
1761 vcl_cfg->heapsize, vcl_cfg->heapsize);
1765 if (*sizep == 'g' || *sizep == 'G')
1766 vcl_cfg->heapsize = size << 30;
1767 else if (*sizep == 'm' || *sizep == 'M')
1768 vcl_cfg->heapsize = size << 20;
1771 if (VPPCOM_DEBUG > 0)
1772 clib_warning ("VCL<%d>: parse error '%s %s', "
1773 "using default heapsize %lld (0x%llx)",
1774 getpid (), argv[i], argv[i + 1],
1775 vcl_cfg->heapsize, vcl_cfg->heapsize);
1787 vcl_mem = mmap (0, vcl_cfg->heapsize, PROT_READ | PROT_WRITE,
1788 MAP_SHARED | MAP_ANONYMOUS, -1, 0);
1789 if (vcl_mem == MAP_FAILED)
1791 clib_unix_error ("VCL<%d>: ERROR: mmap(0, %lld == 0x%llx, "
1792 "PROT_READ | PROT_WRITE,MAP_SHARED | MAP_ANONYMOUS, "
1794 getpid (), vcl_cfg->heapsize, vcl_cfg->heapsize);
1795 ASSERT (vcl_mem != MAP_FAILED);
1798 heap = clib_mem_init (vcl_mem, vcl_cfg->heapsize);
1801 clib_warning ("VCL<%d>: ERROR: clib_mem_init() failed!", getpid ());
1805 vcl_mem = clib_mem_alloc (sizeof (_vppcom_main));
1808 clib_warning ("VCL<%d>: ERROR: clib_mem_alloc() failed!", getpid ());
1813 clib_memcpy (vcl_mem, &_vppcom_main, sizeof (_vppcom_main));
1816 if (VPPCOM_DEBUG > 0)
1817 clib_warning ("VCL<%d>: allocated VCL heap = %p, size %lld (0x%llx)",
1818 getpid (), heap, vcl_cfg->heapsize, vcl_cfg->heapsize);
1822 vppcom_cfg_read (char *conf_fname)
1824 vppcom_cfg_t *vcl_cfg = &vcm->cfg;
1826 unformat_input_t _input, *input = &_input;
1827 unformat_input_t _line_input, *line_input = &_line_input;
1828 u8 vc_cfg_input = 0;
1831 u32 uid, gid, q_len;
1833 fd = open (conf_fname, O_RDONLY);
1836 if (VPPCOM_DEBUG > 0)
1837 clib_warning ("VCL<%d>: using default configuration.",
1838 getpid (), conf_fname);
1842 if (fstat (fd, &s) < 0)
1844 if (VPPCOM_DEBUG > 0)
1845 clib_warning ("VCL<%d>: failed to stat `%s', "
1846 "using default configuration", getpid (), conf_fname);
1850 if (!(S_ISREG (s.st_mode) || S_ISLNK (s.st_mode)))
1852 if (VPPCOM_DEBUG > 0)
1853 clib_warning ("VCL<%d>: not a regular file `%s', "
1854 "using default configuration", getpid (), conf_fname);
1858 unformat_init_clib_file (input, fd);
1860 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
1862 (void) unformat_user (input, unformat_line_input, line_input);
1863 unformat_skip_white_space (line_input);
1865 if (unformat (line_input, "vcl {"))
1873 if (unformat (line_input, "heapsize %s", &chroot_path))
1875 vec_terminate_c_string (chroot_path);
1876 if (VPPCOM_DEBUG > 0)
1877 clib_warning ("VCL<%d>: configured heapsize %s, "
1878 "actual heapsize %lld (0x%llx)",
1879 getpid (), chroot_path, vcl_cfg->heapsize,
1881 vec_free (chroot_path);
1883 else if (unformat (line_input, "api-prefix %s", &chroot_path))
1885 vec_terminate_c_string (chroot_path);
1886 if (vcl_cfg->vpp_api_filename)
1887 vec_free (vcl_cfg->vpp_api_filename);
1888 vcl_cfg->vpp_api_filename = format (0, "/%s-vpe-api%c",
1890 vl_set_memory_root_path ((char *) chroot_path);
1892 if (VPPCOM_DEBUG > 0)
1893 clib_warning ("VCL<%d>: configured api-prefix (%s) and "
1894 "api filename (%s)", getpid (), chroot_path,
1895 vcl_cfg->vpp_api_filename);
1896 chroot_path = 0; /* Don't vec_free() it! */
1898 else if (unformat (line_input, "vpp-api-q-length %d", &q_len))
1900 if (q_len < vcl_cfg->vpp_api_q_length)
1902 clib_warning ("VCL<%d>: ERROR: configured vpp-api-q-length "
1903 "(%u) is too small! Using default: %u ",
1904 getpid (), q_len, vcl_cfg->vpp_api_q_length);
1908 vcl_cfg->vpp_api_q_length = q_len;
1910 if (VPPCOM_DEBUG > 0)
1911 clib_warning ("VCL<%d>: configured vpp-api-q-length %u",
1912 getpid (), vcl_cfg->vpp_api_q_length);
1915 else if (unformat (line_input, "uid %d", &uid))
1917 vl_set_memory_uid (uid);
1918 if (VPPCOM_DEBUG > 0)
1919 clib_warning ("VCL<%d>: configured uid %d", getpid (), uid);
1921 else if (unformat (line_input, "gid %d", &gid))
1923 vl_set_memory_gid (gid);
1924 if (VPPCOM_DEBUG > 0)
1925 clib_warning ("VCL<%d>: configured gid %d", getpid (), gid);
1927 else if (unformat (line_input, "segment-baseva 0x%lx",
1928 &vcl_cfg->segment_baseva))
1930 if (VPPCOM_DEBUG > 0)
1931 clib_warning ("VCL<%d>: configured segment_baseva 0x%lx",
1932 getpid (), vcl_cfg->segment_baseva);
1934 else if (unformat (line_input, "segment-size 0x%lx",
1935 &vcl_cfg->segment_size))
1937 if (VPPCOM_DEBUG > 0)
1938 clib_warning ("VCL<%d>: configured segment_size 0x%lx (%ld)",
1939 getpid (), vcl_cfg->segment_size,
1940 vcl_cfg->segment_size);
1942 else if (unformat (line_input, "segment-size %ld",
1943 &vcl_cfg->segment_size))
1945 if (VPPCOM_DEBUG > 0)
1946 clib_warning ("VCL<%d>: configured segment_size %ld (0x%lx)",
1947 getpid (), vcl_cfg->segment_size,
1948 vcl_cfg->segment_size);
1950 else if (unformat (line_input, "add-segment-size 0x%lx",
1951 &vcl_cfg->add_segment_size))
1953 if (VPPCOM_DEBUG > 0)
1955 ("VCL<%d>: configured add_segment_size 0x%lx (%ld)",
1956 getpid (), vcl_cfg->add_segment_size,
1957 vcl_cfg->add_segment_size);
1959 else if (unformat (line_input, "add-segment-size %ld",
1960 &vcl_cfg->add_segment_size))
1962 if (VPPCOM_DEBUG > 0)
1964 ("VCL<%d>: configured add_segment_size %ld (0x%lx)",
1965 getpid (), vcl_cfg->add_segment_size,
1966 vcl_cfg->add_segment_size);
1968 else if (unformat (line_input, "preallocated-fifo-pairs %d",
1969 &vcl_cfg->preallocated_fifo_pairs))
1971 if (VPPCOM_DEBUG > 0)
1972 clib_warning ("VCL<%d>: configured preallocated_fifo_pairs "
1973 "%d (0x%x)", getpid (),
1974 vcl_cfg->preallocated_fifo_pairs,
1975 vcl_cfg->preallocated_fifo_pairs);
1977 else if (unformat (line_input, "rx-fifo-size 0x%lx",
1978 &vcl_cfg->rx_fifo_size))
1980 if (VPPCOM_DEBUG > 0)
1981 clib_warning ("VCL<%d>: configured rx_fifo_size 0x%lx (%ld)",
1982 getpid (), vcl_cfg->rx_fifo_size,
1983 vcl_cfg->rx_fifo_size);
1985 else if (unformat (line_input, "rx-fifo-size %ld",
1986 &vcl_cfg->rx_fifo_size))
1988 if (VPPCOM_DEBUG > 0)
1989 clib_warning ("VCL<%d>: configured rx_fifo_size %ld (0x%lx)",
1990 getpid (), vcl_cfg->rx_fifo_size,
1991 vcl_cfg->rx_fifo_size);
1993 else if (unformat (line_input, "tx-fifo-size 0x%lx",
1994 &vcl_cfg->tx_fifo_size))
1996 if (VPPCOM_DEBUG > 0)
1997 clib_warning ("VCL<%d>: configured tx_fifo_size 0x%lx (%ld)",
1998 getpid (), vcl_cfg->tx_fifo_size,
1999 vcl_cfg->tx_fifo_size);
2001 else if (unformat (line_input, "tx-fifo-size %ld",
2002 &vcl_cfg->tx_fifo_size))
2004 if (VPPCOM_DEBUG > 0)
2005 clib_warning ("VCL<%d>: configured tx_fifo_size %ld (0x%lx)",
2006 getpid (), vcl_cfg->tx_fifo_size,
2007 vcl_cfg->tx_fifo_size);
2009 else if (unformat (line_input, "event-queue-size 0x%lx",
2010 &vcl_cfg->event_queue_size))
2012 if (VPPCOM_DEBUG > 0)
2013 clib_warning ("VCL<%d>: configured event_queue_size "
2015 getpid (), vcl_cfg->event_queue_size,
2016 vcl_cfg->event_queue_size);
2018 else if (unformat (line_input, "event-queue-size %ld",
2019 &vcl_cfg->event_queue_size))
2021 if (VPPCOM_DEBUG > 0)
2022 clib_warning ("VCL<%d>: configured event_queue_size "
2024 getpid (), vcl_cfg->event_queue_size,
2025 vcl_cfg->event_queue_size);
2027 else if (unformat (line_input, "listen-queue-size 0x%lx",
2028 &vcl_cfg->listen_queue_size))
2030 if (VPPCOM_DEBUG > 0)
2031 clib_warning ("VCL<%d>: configured listen_queue_size "
2033 getpid (), vcl_cfg->listen_queue_size,
2034 vcl_cfg->listen_queue_size);
2036 else if (unformat (line_input, "listen-queue-size %ld",
2037 &vcl_cfg->listen_queue_size))
2039 if (VPPCOM_DEBUG > 0)
2040 clib_warning ("VCL<%d>: configured listen_queue_size "
2042 getpid (), vcl_cfg->listen_queue_size,
2043 vcl_cfg->listen_queue_size);
2045 else if (unformat (line_input, "app-timeout %f",
2046 &vcl_cfg->app_timeout))
2048 if (VPPCOM_DEBUG > 0)
2049 clib_warning ("VCL<%d>: configured app_timeout %f",
2050 getpid (), vcl_cfg->app_timeout);
2052 else if (unformat (line_input, "session-timeout %f",
2053 &vcl_cfg->session_timeout))
2055 if (VPPCOM_DEBUG > 0)
2056 clib_warning ("VCL<%d>: configured session_timeout %f",
2057 getpid (), vcl_cfg->session_timeout);
2059 else if (unformat (line_input, "accept-timeout %f",
2060 &vcl_cfg->accept_timeout))
2062 if (VPPCOM_DEBUG > 0)
2063 clib_warning ("VCL<%d>: configured accept_timeout %f",
2064 getpid (), vcl_cfg->accept_timeout);
2066 else if (unformat (line_input, "app-proxy-transport-tcp"))
2068 vcl_cfg->app_proxy_transport_tcp = 1;
2069 if (VPPCOM_DEBUG > 0)
2070 clib_warning ("VCL<%d>: configured "
2071 "app_proxy_transport_tcp (%d)",
2072 getpid (), vcl_cfg->app_proxy_transport_tcp);
2074 else if (unformat (line_input, "app-proxy-transport-udp"))
2076 vcl_cfg->app_proxy_transport_udp = 1;
2077 if (VPPCOM_DEBUG > 0)
2078 clib_warning ("VCL<%d>: configured "
2079 "app_proxy_transport_udp (%d)",
2080 getpid (), vcl_cfg->app_proxy_transport_udp);
2082 else if (unformat (line_input, "app-scope-local"))
2084 vcl_cfg->app_scope_local = 1;
2085 if (VPPCOM_DEBUG > 0)
2086 clib_warning ("VCL<%d>: configured app_scope_local (%d)",
2087 getpid (), vcl_cfg->app_scope_local);
2089 else if (unformat (line_input, "app-scope-global"))
2091 vcl_cfg->app_scope_global = 1;
2092 if (VPPCOM_DEBUG > 0)
2093 clib_warning ("VCL<%d>: configured app_scope_global (%d)",
2094 getpid (), vcl_cfg->app_scope_global);
2096 else if (unformat (line_input, "namespace-secret %lu",
2097 &vcl_cfg->namespace_secret))
2099 if (VPPCOM_DEBUG > 0)
2101 ("VCL<%d>: configured namespace_secret %lu (0x%lx)",
2102 getpid (), vcl_cfg->namespace_secret,
2103 vcl_cfg->namespace_secret);
2105 else if (unformat (line_input, "namespace-id %v",
2106 &vcl_cfg->namespace_id))
2108 vl_api_application_attach_t *mp;
2109 u32 max_nsid_vec_len = sizeof (mp->namespace_id) - 1;
2110 u32 nsid_vec_len = vec_len (vcl_cfg->namespace_id);
2111 if (nsid_vec_len > max_nsid_vec_len)
2113 _vec_len (vcl_cfg->namespace_id) = max_nsid_vec_len;
2114 if (VPPCOM_DEBUG > 0)
2115 clib_warning ("VCL<%d>: configured namespace_id is "
2116 "too long, truncated to %d characters!",
2117 getpid (), max_nsid_vec_len);
2120 if (VPPCOM_DEBUG > 0)
2121 clib_warning ("VCL<%d>: configured namespace_id %v",
2122 getpid (), vcl_cfg->namespace_id);
2124 else if (unformat (line_input, "}"))
2127 if (VPPCOM_DEBUG > 0)
2128 clib_warning ("VCL<%d>: completed parsing vppcom config!",
2134 if (line_input->buffer[line_input->index] != '#')
2136 clib_warning ("VCL<%d>: Unknown vppcom config option: '%s'",
2138 &line_input->buffer[line_input->index]);
2145 unformat_free (input);
2153 * VPPCOM Public API functions
2156 vppcom_app_create (char *app_name)
2158 vppcom_cfg_t *vcl_cfg = &vcm->cfg;
2169 vppcom_cfg_init (vcl_cfg);
2170 env_var_str = getenv (VPPCOM_ENV_DEBUG);
2174 if (sscanf (env_var_str, "%u", &tmp) != 1)
2175 clib_warning ("VCL<%d>: Invalid debug level specified in "
2176 "the environment variable "
2178 " (%s)!\n", getpid (), env_var_str);
2182 clib_warning ("VCL<%d>: configured VCL debug level (%u) from "
2183 VPPCOM_ENV_DEBUG "!", getpid (), vcm->debug);
2186 conf_fname = getenv (VPPCOM_ENV_CONF);
2188 conf_fname = VPPCOM_CONF_DEFAULT;
2189 vppcom_cfg_heapsize (conf_fname);
2190 vcl_cfg = &vcm->cfg;
2191 clib_fifo_validate (vcm->client_session_index_fifo,
2192 vcm->cfg.listen_queue_size);
2193 vppcom_cfg_read (conf_fname);
2195 env_var_str = getenv (VPPCOM_ENV_API_PREFIX);
2198 if (vcl_cfg->vpp_api_filename)
2199 vec_free (vcl_cfg->vpp_api_filename);
2200 vcl_cfg->vpp_api_filename = format (0, "/%s-vpe-api%c",
2202 vl_set_memory_root_path ((char *) env_var_str);
2204 if (VPPCOM_DEBUG > 0)
2205 clib_warning ("VCL<%d>: configured api prefix (%s) and "
2206 "filename (%s) from " VPPCOM_ENV_API_PREFIX "!",
2207 getpid (), env_var_str, vcl_cfg->vpp_api_filename);
2210 env_var_str = getenv (VPPCOM_ENV_APP_NAMESPACE_SECRET);
2214 if (sscanf (env_var_str, "%lu", &tmp) != 1)
2215 clib_warning ("VCL<%d>: Invalid namespace secret specified in "
2216 "the environment variable "
2217 VPPCOM_ENV_APP_NAMESPACE_SECRET
2218 " (%s)!\n", getpid (), env_var_str);
2221 vcm->cfg.namespace_secret = tmp;
2222 if (VPPCOM_DEBUG > 0)
2223 clib_warning ("VCL<%d>: configured namespace secret "
2224 "(%lu) from " VPPCOM_ENV_APP_NAMESPACE_ID "!",
2225 getpid (), vcm->cfg.namespace_secret);
2228 env_var_str = getenv (VPPCOM_ENV_APP_NAMESPACE_ID);
2231 u32 ns_id_vec_len = strlen (env_var_str);
2233 vec_reset_length (vcm->cfg.namespace_id);
2234 vec_validate (vcm->cfg.namespace_id, ns_id_vec_len - 1);
2235 clib_memcpy (vcm->cfg.namespace_id, env_var_str, ns_id_vec_len);
2237 if (VPPCOM_DEBUG > 0)
2238 clib_warning ("VCL<%d>: configured namespace_id (%v) from "
2239 VPPCOM_ENV_APP_NAMESPACE_ID
2240 "!", getpid (), vcm->cfg.namespace_id);
2242 env_var_str = getenv (VPPCOM_ENV_APP_NAMESPACE_SECRET);
2246 if (sscanf (env_var_str, "%lu", &tmp) != 1)
2247 clib_warning ("VCL<%d>: Invalid namespace secret specified in "
2248 "the environment variable "
2249 VPPCOM_ENV_APP_NAMESPACE_SECRET
2250 " (%s)!\n", getpid (), env_var_str);
2253 vcm->cfg.namespace_secret = tmp;
2254 if (VPPCOM_DEBUG > 0)
2255 clib_warning ("VCL<%d>: configured namespace secret "
2257 VPPCOM_ENV_APP_NAMESPACE_ID
2258 "!", getpid (), vcm->cfg.namespace_secret);
2261 if (getenv (VPPCOM_ENV_APP_PROXY_TRANSPORT_TCP))
2263 vcm->cfg.app_proxy_transport_tcp = 1;
2264 if (VPPCOM_DEBUG > 0)
2265 clib_warning ("VCL<%d>: configured app_proxy_transport_tcp "
2267 VPPCOM_ENV_APP_PROXY_TRANSPORT_TCP
2268 "!", getpid (), vcm->cfg.app_proxy_transport_tcp);
2270 if (getenv (VPPCOM_ENV_APP_PROXY_TRANSPORT_UDP))
2272 vcm->cfg.app_proxy_transport_udp = 1;
2273 if (VPPCOM_DEBUG > 0)
2274 clib_warning ("VCL<%d>: configured app_proxy_transport_udp "
2276 VPPCOM_ENV_APP_PROXY_TRANSPORT_UDP
2277 "!", getpid (), vcm->cfg.app_proxy_transport_udp);
2279 if (getenv (VPPCOM_ENV_APP_SCOPE_LOCAL))
2281 vcm->cfg.app_scope_local = 1;
2282 if (VPPCOM_DEBUG > 0)
2283 clib_warning ("VCL<%d>: configured app_scope_local (%u) from "
2284 VPPCOM_ENV_APP_SCOPE_LOCAL
2285 "!", getpid (), vcm->cfg.app_scope_local);
2287 if (getenv (VPPCOM_ENV_APP_SCOPE_GLOBAL))
2289 vcm->cfg.app_scope_global = 1;
2290 if (VPPCOM_DEBUG > 0)
2291 clib_warning ("VCL<%d>: configured app_scope_global (%u) from "
2292 VPPCOM_ENV_APP_SCOPE_GLOBAL
2293 "!", getpid (), vcm->cfg.app_scope_global);
2296 vcm->main_cpu = os_get_thread_index ();
2297 heap = clib_mem_get_per_cpu_heap ();
2298 h = mheap_header (heap);
2300 /* make the main heap thread-safe */
2301 h->flags |= MHEAP_FLAG_THREAD_SAFE;
2303 vcm->session_index_by_vpp_handles = hash_create (0, sizeof (uword));
2305 clib_time_init (&vcm->clib_time);
2306 vppcom_init_error_string_table ();
2307 svm_fifo_segment_main_init (vcl_cfg->segment_baseva,
2308 20 /* timeout in secs */ );
2309 clib_spinlock_init (&vcm->sessions_lockp);
2312 if (vcm->my_client_index == ~0)
2314 vppcom_api_hookup ();
2315 vcm->app_state = STATE_APP_START;
2316 rv = vppcom_connect_to_vpp (app_name);
2319 clib_warning ("VCL<%d>: ERROR: couldn't connect to VPP!",
2324 if (VPPCOM_DEBUG > 0)
2325 clib_warning ("VCL<%d>: sending session enable", getpid ());
2327 rv = vppcom_app_session_enable ();
2330 clib_warning ("VCL<%d>: ERROR: vppcom_app_session_enable() "
2331 "failed!", getpid ());
2335 if (VPPCOM_DEBUG > 0)
2336 clib_warning ("VCL<%d>: sending app attach", getpid ());
2338 rv = vppcom_app_attach ();
2341 clib_warning ("VCL<%d>: ERROR: vppcom_app_attach() failed!",
2346 if (VPPCOM_DEBUG > 0)
2347 clib_warning ("VCL<%d>: app_name '%s', my_client_index %d (0x%x)",
2348 getpid (), app_name, vcm->my_client_index,
2349 vcm->my_client_index);
2356 vppcom_app_destroy (void)
2360 if (vcm->my_client_index == ~0)
2363 if (VPPCOM_DEBUG > 0)
2364 clib_warning ("VCL<%d>: detaching from VPP, my_client_index %d (0x%x)",
2365 getpid (), vcm->my_client_index, vcm->my_client_index);
2367 if (VPPCOM_DEBUG > 0)
2370 ELOG_TYPE_DECLARE (e) =
2372 .format = "app_detach:C:%d",
2373 .format_args = "i4",
2380 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, vcm->elog_track);
2381 ed->data = vcm->my_client_index;
2385 vppcom_app_detach ();
2386 rv = vppcom_wait_for_app_state_change (STATE_APP_ENABLED);
2387 if (PREDICT_FALSE (rv))
2389 if (VPPCOM_DEBUG > 0)
2390 clib_warning ("VCL<%d>: application detach timed out! "
2391 "returning %d (%s)",
2392 getpid (), rv, vppcom_retval_str (rv));
2395 /* Finished with logging before client gets reset to ~0 */
2396 if (VPPCOM_DEBUG > 0)
2399 vl_client_disconnect_from_vlib ();
2400 vcm->my_client_index = ~0;
2401 vcm->app_state = STATE_APP_START;
2405 vppcom_session_create (u8 proto, u8 is_nonblocking)
2409 session_state_t state;
2410 elog_track_t session_elog_track;
2412 clib_spinlock_lock (&vcm->sessions_lockp);
2413 pool_get (vcm->sessions, session);
2414 memset (session, 0, sizeof (*session));
2415 session_index = session - vcm->sessions;
2417 session->proto = proto;
2418 session->state = STATE_START;
2419 state = session->state;
2420 session->vpp_handle = ~0;
2423 VCL_SESS_ATTR_SET (session->attr, VCL_SESS_ATTR_NONBLOCK);
2425 VCL_SESS_ATTR_CLR (session->attr, VCL_SESS_ATTR_NONBLOCK);
2427 if (VPPCOM_DEBUG > 0)
2429 session->elog_track.name =
2430 (char *) format (0, "C:%d:S:%d%c", vcm->my_client_index,
2432 elog_track_register (&vcm->elog_main, &session->elog_track);
2433 session_elog_track = session->elog_track;
2436 clib_spinlock_unlock (&vcm->sessions_lockp);
2438 if (VPPCOM_DEBUG > 0)
2439 clib_warning ("VCL<%d>: sid %u", getpid (), session_index);
2441 if (VPPCOM_DEBUG > 0)
2444 ELOG_TYPE_DECLARE (e) =
2446 .format = "session_create:proto:%d state:%d is_nonblocking:%d",
2447 .format_args = "i4i4i4",
2455 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session_elog_track);
2456 ed->data[0] = proto;
2457 ed->data[1] = state;
2458 ed->data[2] = is_nonblocking;
2462 return (int) session_index;
2466 vppcom_session_close (uint32_t session_index)
2468 session_t *session = 0;
2476 session_state_t state;
2477 elog_track_t session_elog_track;
2479 VCL_LOCK_AND_GET_SESSION (session_index, &session);
2480 is_vep = session->is_vep;
2481 is_vep_session = session->is_vep_session;
2482 next_sid = session->vep.next_sid;
2483 vep_idx = session->vep.vep_idx;
2484 state = session->state;
2485 vpp_handle = session->vpp_handle;
2486 clib_spinlock_unlock (&vcm->sessions_lockp);
2489 * Why two if(VPPCOM_DEBUG) checks?
2491 * Eventually all clib_warnings need their own way of being
2492 * logged and signalled (like severity) where event logging
2493 * is a separate debugging tool. It will make the separation
2494 * easier. ... parting is such sweet sorrow ...
2496 if (VPPCOM_DEBUG > 0)
2498 session_elog_track = session->elog_track;
2501 if (VPPCOM_DEBUG > 0)
2504 clib_warning ("VCL<%d>: vep_idx %u / sid %u: "
2505 "closing epoll session...",
2506 getpid (), session_index, session_index);
2508 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %d: "
2509 "closing session...",
2510 getpid (), vpp_handle, session_index);
2515 while (next_sid != ~0)
2517 rv = vppcom_epoll_ctl (session_index, EPOLL_CTL_DEL, next_sid, 0);
2518 if ((VPPCOM_DEBUG > 0) && PREDICT_FALSE (rv < 0))
2519 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
2520 "EPOLL_CTL_DEL vep_idx %u failed! rv %d (%s)",
2521 getpid (), vpp_handle, next_sid, vep_idx,
2522 rv, vppcom_retval_str (rv));
2524 VCL_LOCK_AND_GET_SESSION (session_index, &session);
2525 next_sid = session->vep.next_sid;
2526 clib_spinlock_unlock (&vcm->sessions_lockp);
2533 rv = vppcom_epoll_ctl (vep_idx, EPOLL_CTL_DEL, session_index, 0);
2534 if ((VPPCOM_DEBUG > 0) && (rv < 0))
2535 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
2536 "EPOLL_CTL_DEL vep_idx %u failed! rv %d (%s)",
2537 getpid (), vpp_handle, session_index,
2538 vep_idx, rv, vppcom_retval_str (rv));
2541 if (state & STATE_LISTEN)
2543 rv = vppcom_session_unbind (session_index);
2544 if (PREDICT_FALSE (rv < 0))
2546 if (VPPCOM_DEBUG > 0)
2547 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
2548 "listener unbind failed! rv %d (%s)",
2549 getpid (), vpp_handle, session_index,
2550 rv, vppcom_retval_str (rv));
2554 else if (state & (CLIENT_STATE_OPEN | SERVER_STATE_OPEN))
2556 rv = vppcom_session_disconnect (session_index);
2557 if (PREDICT_FALSE (rv < 0))
2558 clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: "
2559 "session disconnect failed! rv %d (%s)",
2560 getpid (), vpp_handle, session_index,
2561 rv, vppcom_retval_str (rv));
2565 VCL_LOCK_AND_GET_SESSION (session_index, &session);
2566 vpp_handle = session->vpp_handle;
2567 if (vpp_handle != ~0)
2569 p = hash_get (vcm->session_index_by_vpp_handles, vpp_handle);
2571 hash_unset (vcm->session_index_by_vpp_handles, vpp_handle);
2573 pool_put_index (vcm->sessions, session_index);
2575 clib_spinlock_unlock (&vcm->sessions_lockp);
2577 if (VPPCOM_DEBUG > 0)
2580 clib_warning ("VCL<%d>: vep_idx %u / sid %u: epoll session removed.",
2581 getpid (), session_index, session_index);
2583 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: session removed.",
2584 getpid (), vpp_handle, session_index);
2588 if (VPPCOM_DEBUG > 0)
2591 ELOG_TYPE_DECLARE (e) =
2593 .format = "session_close:rv:%d",
2594 .format_args = "i4",
2602 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session_elog_track);
2611 vppcom_session_bind (uint32_t session_index, vppcom_endpt_t * ep)
2613 session_t *session = 0;
2617 return VPPCOM_EINVAL;
2619 VCL_LOCK_AND_GET_SESSION (session_index, &session);
2621 if (session->is_vep)
2623 clib_spinlock_unlock (&vcm->sessions_lockp);
2624 clib_warning ("VCL<%d>: ERROR: sid %u: cannot "
2625 "bind to an epoll session!", getpid (), session_index);
2630 session->lcl_addr.is_ip4 = ep->is_ip4;
2631 session->lcl_addr.ip46 = to_ip46 (!ep->is_ip4, ep->ip);
2632 session->lcl_port = ep->port;
2634 if (VPPCOM_DEBUG > 0)
2635 clib_warning ("VCL<%d>: sid %u: binding to local %s address %U "
2636 "port %u, proto %s", getpid (), session_index,
2637 session->lcl_addr.is_ip4 ? "IPv4" : "IPv6",
2638 format_ip46_address, &session->lcl_addr.ip46,
2639 session->lcl_addr.is_ip4,
2640 clib_net_to_host_u16 (session->lcl_port),
2641 session->proto ? "UDP" : "TCP");
2643 if (VPPCOM_DEBUG > 0)
2645 if (session->lcl_addr.is_ip4)
2648 ELOG_TYPE_DECLARE (e) =
2650 .format = "bind local:%s:%d.%d.%d.%d:%d ",
2651 .format_args = "t1i1i1i1i1i2",
2652 .n_enum_strings = 2,
2653 .enum_strings = {"TCP", "UDP",},
2656 CLIB_PACKED (struct {
2662 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
2663 ed->proto = session->proto;
2664 ed->addr[0] = session->lcl_addr.ip46.ip4.as_u8[0];
2665 ed->addr[1] = session->lcl_addr.ip46.ip4.as_u8[1];
2666 ed->addr[2] = session->lcl_addr.ip46.ip4.as_u8[2];
2667 ed->addr[3] = session->lcl_addr.ip46.ip4.as_u8[3];
2668 ed->port = clib_net_to_host_u16 (session->lcl_port);
2673 clib_spinlock_unlock (&vcm->sessions_lockp);
2679 vppcom_session_listen (uint32_t listen_session_index, uint32_t q_len)
2681 session_t *listen_session = 0;
2682 u64 listen_vpp_handle;
2685 if (q_len == 0 || q_len == ~0)
2686 q_len = vcm->cfg.listen_queue_size;
2688 VCL_LOCK_AND_GET_SESSION (listen_session_index, &listen_session);
2690 if (listen_session->is_vep)
2692 clib_spinlock_unlock (&vcm->sessions_lockp);
2693 clib_warning ("VCL<%d>: ERROR: sid %u: cannot listen on an "
2694 "epoll session!", getpid (), listen_session_index);
2699 listen_vpp_handle = listen_session->vpp_handle;
2700 if (listen_session->state & STATE_LISTEN)
2702 clib_spinlock_unlock (&vcm->sessions_lockp);
2703 if (VPPCOM_DEBUG > 0)
2704 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
2705 "already in listen state!",
2706 getpid (), listen_vpp_handle, listen_session_index);
2711 if (VPPCOM_DEBUG > 0)
2712 clib_warning ("VCL<%d>: vpp handle 0x%llx, "
2713 "sid %u: sending bind request...",
2714 getpid (), listen_vpp_handle, listen_session_index);
2716 vppcom_send_bind_sock (listen_session, listen_session_index);
2717 clib_spinlock_unlock (&vcm->sessions_lockp);
2719 vppcom_wait_for_session_state_change (listen_session_index, STATE_LISTEN,
2720 vcm->cfg.session_timeout);
2722 VCL_LOCK_AND_GET_SESSION (listen_session_index, &listen_session);
2723 if (PREDICT_FALSE (retval))
2725 if (VPPCOM_DEBUG > 0)
2726 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: bind failed! "
2727 "returning %d (%s)", getpid (),
2728 listen_session->vpp_handle, listen_session_index,
2729 retval, vppcom_retval_str (retval));
2730 clib_spinlock_unlock (&vcm->sessions_lockp);
2735 clib_fifo_validate (vcm->client_session_index_fifo, q_len);
2736 clib_spinlock_unlock (&vcm->sessions_lockp);
2742 vppcom_session_accept (uint32_t listen_session_index, vppcom_endpt_t * ep,
2745 session_t *listen_session = 0;
2746 session_t *client_session = 0;
2747 u32 client_session_index = ~0;
2750 u64 listen_vpp_handle;
2752 VCL_LOCK_AND_GET_SESSION (listen_session_index, &listen_session);
2754 if (listen_session->is_vep)
2756 clib_spinlock_unlock (&vcm->sessions_lockp);
2757 clib_warning ("VCL<%d>: ERROR: sid %u: cannot accept on an "
2758 "epoll session!", getpid (), listen_session_index);
2763 listen_vpp_handle = listen_session->vpp_handle;
2764 if (listen_session->state != STATE_LISTEN)
2766 clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: "
2767 "not in listen state! state 0x%x (%s)", getpid (),
2768 listen_vpp_handle, listen_session_index,
2769 listen_session->state,
2770 vppcom_session_state_str (listen_session->state));
2771 clib_spinlock_unlock (&vcm->sessions_lockp);
2775 wait_for = (VCL_SESS_ATTR_TEST (listen_session->attr,
2776 VCL_SESS_ATTR_NONBLOCK))
2777 ? 0 : vcm->cfg.accept_timeout;
2779 clib_spinlock_unlock (&vcm->sessions_lockp);
2783 rv = vppcom_wait_for_client_session_index (wait_for);
2786 if ((VPPCOM_DEBUG > 0))
2787 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
2788 "accept failed! returning %d (%s)", getpid (),
2789 listen_vpp_handle, listen_session_index,
2790 rv, vppcom_retval_str (rv));
2798 clib_spinlock_lock (&vcm->sessions_lockp);
2799 clib_fifo_sub1 (vcm->client_session_index_fifo, client_session_index);
2800 rv = vppcom_session_at_index (client_session_index, &client_session);
2801 if (PREDICT_FALSE (rv))
2803 rv = VPPCOM_ECONNABORTED;
2804 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: client sid %u "
2805 "lookup failed! returning %d (%s)", getpid (),
2806 listen_vpp_handle, listen_session_index,
2807 client_session_index, rv, vppcom_retval_str (rv));
2811 if (flags & O_NONBLOCK)
2812 VCL_SESS_ATTR_SET (client_session->attr, VCL_SESS_ATTR_NONBLOCK);
2814 VCL_SESS_ATTR_CLR (client_session->attr, VCL_SESS_ATTR_NONBLOCK);
2816 if (VPPCOM_DEBUG > 0)
2817 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: Got a client request! "
2818 "vpp handle 0x%llx, sid %u, flags %d, is_nonblocking %u",
2819 getpid (), listen_vpp_handle, listen_session_index,
2820 client_session->vpp_handle, client_session_index,
2821 flags, VCL_SESS_ATTR_TEST (client_session->attr,
2822 VCL_SESS_ATTR_NONBLOCK));
2826 ep->is_ip4 = client_session->peer_addr.is_ip4;
2827 ep->port = client_session->peer_port;
2828 if (client_session->peer_addr.is_ip4)
2829 clib_memcpy (ep->ip, &client_session->peer_addr.ip46.ip4,
2830 sizeof (ip4_address_t));
2832 clib_memcpy (ep->ip, &client_session->peer_addr.ip46.ip6,
2833 sizeof (ip6_address_t));
2836 vppcom_send_accept_session_reply (client_session->vpp_handle,
2837 client_session->client_context,
2838 0 /* retval OK */ );
2840 if (VPPCOM_DEBUG > 0)
2841 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: accepted vpp handle "
2842 "0x%llx, sid %u connection to local %s address "
2843 "%U port %u", getpid (), listen_vpp_handle,
2844 listen_session_index, client_session->vpp_handle,
2845 client_session_index,
2846 client_session->lcl_addr.is_ip4 ? "IPv4" : "IPv6",
2847 format_ip46_address, &client_session->lcl_addr.ip46,
2848 client_session->lcl_addr.is_ip4,
2849 clib_net_to_host_u16 (client_session->lcl_port));
2851 if (VPPCOM_DEBUG > 0)
2853 client_session->elog_track.name =
2854 (char *) format (0, "C:%d:S:%d%c", vcm->my_client_index,
2855 client_session_index, 0);
2856 elog_track_register (&vcm->elog_main, &client_session->elog_track);
2858 // Two elog entries due to 20-byte per entry constraint.
2860 ELOG_TYPE_DECLARE (e) =
2862 .format = "accept: listen_handle:%x from_handle:%x",
2863 .format_args = "i8i8",
2871 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, client_session->elog_track);
2872 ed->handle[0] = listen_vpp_handle;
2873 ed->handle[1] = client_session->vpp_handle;
2876 if (client_session->lcl_addr.is_ip4)
2879 ELOG_TYPE_DECLARE (e2) =
2881 .format = "accept: S:%d %d.%d.%d.%d:%d ",
2882 .format_args = "i4i1i1i1i1i2",
2885 CLIB_PACKED (struct {
2892 ELOG_TRACK_DATA (&vcm->elog_main, e2, client_session->elog_track);
2893 ed2->session = client_session_index;
2894 ed2->addr[0] = client_session->lcl_addr.ip46.ip4.as_u8[0];
2895 ed2->addr[1] = client_session->lcl_addr.ip46.ip4.as_u8[1];
2896 ed2->addr[2] = client_session->lcl_addr.ip46.ip4.as_u8[2];
2897 ed2->addr[3] = client_session->lcl_addr.ip46.ip4.as_u8[3];
2898 ed2->port = clib_net_to_host_u16 (client_session->lcl_port);
2903 clib_spinlock_unlock (&vcm->sessions_lockp);
2904 rv = (int) client_session_index;
2910 vppcom_session_connect (uint32_t session_index, vppcom_endpt_t * server_ep)
2912 session_t *session = 0;
2914 int rv, retval = VPPCOM_OK;
2916 VCL_LOCK_AND_GET_SESSION (session_index, &session);
2918 if (PREDICT_FALSE (session->is_vep))
2920 clib_spinlock_unlock (&vcm->sessions_lockp);
2921 clib_warning ("VCL<%d>: ERROR: sid %u: cannot "
2922 "connect on an epoll session!", getpid (), session_index);
2927 if (PREDICT_FALSE (session->state & CLIENT_STATE_OPEN))
2929 if (VPPCOM_DEBUG > 0)
2930 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: session already "
2931 "connected to %s %U port %d proto %s, state 0x%x (%s)",
2932 getpid (), session->vpp_handle, session_index,
2933 session->peer_addr.is_ip4 ? "IPv4" : "IPv6",
2934 format_ip46_address,
2935 &session->peer_addr.ip46, session->peer_addr.is_ip4,
2936 clib_net_to_host_u16 (session->peer_port),
2937 session->proto ? "UDP" : "TCP", session->state,
2938 vppcom_session_state_str (session->state));
2940 clib_spinlock_unlock (&vcm->sessions_lockp);
2944 session->peer_addr.is_ip4 = server_ep->is_ip4;
2945 session->peer_addr.ip46 = to_ip46 (!server_ep->is_ip4, server_ep->ip);
2946 session->peer_port = server_ep->port;
2948 if (VPPCOM_DEBUG > 0)
2949 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: connecting to server "
2950 "%s %U port %d proto %s",
2951 getpid (), session->vpp_handle, session_index,
2952 session->peer_addr.is_ip4 ? "IPv4" : "IPv6",
2953 format_ip46_address,
2954 &session->peer_addr.ip46, session->peer_addr.is_ip4,
2955 clib_net_to_host_u16 (session->peer_port),
2956 session->proto ? "UDP" : "TCP");
2958 vppcom_send_connect_sock (session, session_index);
2959 clib_spinlock_unlock (&vcm->sessions_lockp);
2962 vppcom_wait_for_session_state_change (session_index, STATE_CONNECT,
2963 vcm->cfg.session_timeout);
2965 VCL_LOCK_AND_GET_SESSION (session_index, &session);
2966 vpp_handle = session->vpp_handle;
2967 clib_spinlock_unlock (&vcm->sessions_lockp);
2970 if (PREDICT_FALSE (retval))
2973 if (VPPCOM_DEBUG > 0)
2977 ("VCL<%d>: vpp handle 0x%llx, sid %u: connect failed! "
2978 "returning %d (%s)", getpid (), vpp_handle,
2979 session_index, rv, vppcom_retval_str (rv));
2981 clib_warning ("VCL<%d>: no session for sid %u: connect failed! "
2982 "returning %d (%s)", getpid (),
2983 session_index, rv, vppcom_retval_str (rv));
2986 else if (VPPCOM_DEBUG > 0)
2987 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: connected!",
2988 getpid (), vpp_handle, session_index);
2994 vppcom_session_read_internal (uint32_t session_index, void *buf, int n,
2997 session_t *session = 0;
2998 svm_fifo_t *rx_fifo;
3005 session_state_t state;
3009 VCL_LOCK_AND_GET_SESSION (session_index, &session);
3011 is_nonblocking = VCL_SESS_ATTR_TEST (session->attr, VCL_SESS_ATTR_NONBLOCK);
3012 rx_fifo = session->rx_fifo;
3013 state = session->state;
3014 vpp_handle = session->vpp_handle;
3016 if (PREDICT_FALSE (session->is_vep))
3018 clib_spinlock_unlock (&vcm->sessions_lockp);
3019 clib_warning ("VCL<%d>: ERROR: sid %u: cannot "
3020 "read from an epoll session!", getpid (), session_index);
3025 if (PREDICT_FALSE (!(state & (SERVER_STATE_OPEN | CLIENT_STATE_OPEN))))
3027 clib_spinlock_unlock (&vcm->sessions_lockp);
3028 rv = ((state & STATE_DISCONNECT) ? VPPCOM_ECONNRESET : VPPCOM_ENOTCONN);
3030 if (VPPCOM_DEBUG > 0)
3031 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: %s session is "
3032 "not open! state 0x%x (%s), returning %d (%s)",
3033 getpid (), vpp_handle, session_index, state,
3034 vppcom_session_state_str (state),
3035 rv, vppcom_retval_str (rv));
3039 clib_spinlock_unlock (&vcm->sessions_lockp);
3044 n_read = svm_fifo_peek (rx_fifo, 0, n, buf);
3046 n_read = svm_fifo_dequeue_nowait (rx_fifo, n, buf);
3048 while (!is_nonblocking && (n_read <= 0));
3052 VCL_LOCK_AND_GET_SESSION (session_index, &session);
3054 poll_et = (((EPOLLET | EPOLLIN) & session->vep.ev.events) ==
3055 (EPOLLET | EPOLLIN));
3057 session->vep.et_mask |= EPOLLIN;
3059 if (state & STATE_CLOSE_ON_EMPTY)
3061 rv = VPPCOM_ECONNRESET;
3063 if (VPPCOM_DEBUG > 1)
3065 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: Empty fifo "
3066 "with session state 0x%x (%s)!"
3067 " Setting state to 0x%x (%s), returning %d (%s)",
3068 getpid (), session->vpp_handle, session_index,
3069 state, vppcom_session_state_str (state),
3071 vppcom_session_state_str (STATE_DISCONNECT), rv,
3072 vppcom_retval_str (rv));
3075 session->state = STATE_DISCONNECT;
3080 clib_spinlock_unlock (&vcm->sessions_lockp);
3085 if (VPPCOM_DEBUG > 2)
3088 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: read %d bytes "
3089 "from (%p)", getpid (), vpp_handle,
3090 session_index, n_read, rx_fifo);
3092 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: nothing read! "
3093 "returning %d (%s)", getpid (), vpp_handle,
3094 session_index, rv, vppcom_retval_str (rv));
3101 vppcom_session_read (uint32_t session_index, void *buf, size_t n)
3103 return (vppcom_session_read_internal (session_index, buf, n, 0));
3107 vppcom_session_peek (uint32_t session_index, void *buf, int n)
3109 return (vppcom_session_read_internal (session_index, buf, n, 1));
3113 vppcom_session_read_ready (session_t * session, u32 session_index)
3118 session_state_t state = session->state;
3119 u64 vpp_handle = session->vpp_handle;
3121 /* Assumes caller has acquired spinlock: vcm->sessions_lockp */
3122 if (PREDICT_FALSE (session->is_vep))
3124 clib_warning ("VCL<%d>: ERROR: sid %u: cannot read from an "
3125 "epoll session!", getpid (), session_index);
3130 if (session->state & STATE_LISTEN)
3131 ready = clib_fifo_elts (vcm->client_session_index_fifo);
3134 if (!(state & (SERVER_STATE_OPEN | CLIENT_STATE_OPEN | STATE_LISTEN)))
3136 rv = ((state & STATE_DISCONNECT) ? VPPCOM_ECONNRESET :
3139 if (VPPCOM_DEBUG > 1)
3140 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: session is "
3141 "not open! state 0x%x (%s), returning %d (%s)",
3142 getpid (), vpp_handle, session_index,
3143 state, vppcom_session_state_str (state),
3144 rv, vppcom_retval_str (rv));
3148 ready = svm_fifo_max_dequeue (session->rx_fifo);
3154 ((EPOLLET | EPOLLIN) & session->vep.ev.events) == (EPOLLET | EPOLLIN);
3156 session->vep.et_mask |= EPOLLIN;
3158 if (state & STATE_CLOSE_ON_EMPTY)
3160 rv = VPPCOM_ECONNRESET;
3162 if (VPPCOM_DEBUG > 1)
3164 clib_warning ("VCL<%d>: vpp handle 0x%llx, "
3165 "sid %u: Empty fifo with"
3166 " session state 0x%x (%s)! Setting state to "
3167 "0x%x (%s), returning %d (%s)",
3168 getpid (), session_index, vpp_handle,
3169 state, vppcom_session_state_str (state),
3171 vppcom_session_state_str (STATE_DISCONNECT), rv,
3172 vppcom_retval_str (rv));
3174 session->state = STATE_DISCONNECT;
3180 if (vcm->app_event_queue->cursize &&
3181 !pthread_mutex_trylock (&vcm->app_event_queue->mutex))
3183 u32 i, n_to_dequeue = vcm->app_event_queue->cursize;
3184 session_fifo_event_t e;
3186 for (i = 0; i < n_to_dequeue; i++)
3187 svm_queue_sub_raw (vcm->app_event_queue, (u8 *) & e);
3189 pthread_mutex_unlock (&vcm->app_event_queue->mutex);
3196 vppcom_session_write (uint32_t session_index, void *buf, size_t n)
3198 session_t *session = 0;
3199 svm_fifo_t *tx_fifo = 0;
3201 session_fifo_event_t evt;
3202 session_state_t state;
3203 int rv, n_write, is_nonblocking;
3209 VCL_LOCK_AND_GET_SESSION (session_index, &session);
3211 tx_fifo = session->tx_fifo;
3212 is_nonblocking = VCL_SESS_ATTR_TEST (session->attr, VCL_SESS_ATTR_NONBLOCK);
3213 vpp_handle = session->vpp_handle;
3214 state = session->state;
3216 if (PREDICT_FALSE (session->is_vep))
3218 clib_spinlock_unlock (&vcm->sessions_lockp);
3219 clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: "
3220 "cannot write to an epoll session!",
3221 getpid (), vpp_handle, session_index);
3227 if (!(session->state & (SERVER_STATE_OPEN | CLIENT_STATE_OPEN)))
3230 ((session->state & STATE_DISCONNECT) ? VPPCOM_ECONNRESET :
3233 clib_spinlock_unlock (&vcm->sessions_lockp);
3234 if (VPPCOM_DEBUG > 1)
3235 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
3236 "session is not open! state 0x%x (%s)",
3237 getpid (), vpp_handle, session_index,
3238 state, vppcom_session_state_str (state));
3242 clib_spinlock_unlock (&vcm->sessions_lockp);
3246 n_write = svm_fifo_enqueue_nowait (tx_fifo, n, (void *) buf);
3248 while (!is_nonblocking && (n_write <= 0));
3250 /* If event wasn't set, add one */
3251 if ((n_write > 0) && svm_fifo_set_event (tx_fifo))
3253 /* Fabricate TX event, send to vpp */
3255 evt.event_type = FIFO_EVENT_APP_TX;
3257 VCL_LOCK_AND_GET_SESSION (session_index, &session);
3258 q = session->vpp_event_queue;
3260 svm_queue_add (q, (u8 *) & evt, 0 /* do wait for mutex */ );
3261 clib_spinlock_unlock (&vcm->sessions_lockp);
3262 if (VPPCOM_DEBUG > 1)
3263 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
3264 "added FIFO_EVENT_APP_TX to "
3265 "vpp_event_q %p, n_write %d", getpid (),
3266 vpp_handle, session_index, q, n_write);
3271 VCL_LOCK_AND_GET_SESSION (session_index, &session);
3273 poll_et = (((EPOLLET | EPOLLOUT) & session->vep.ev.events) ==
3274 (EPOLLET | EPOLLOUT));
3276 session->vep.et_mask |= EPOLLOUT;
3278 if (session->state & STATE_CLOSE_ON_EMPTY)
3280 rv = VPPCOM_ECONNRESET;
3282 if (VPPCOM_DEBUG > 1)
3284 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
3285 "Empty fifo with session state 0x%x (%s)!"
3286 " Setting state to 0x%x (%s), returning %d (%s)",
3287 getpid (), session->vpp_handle, session_index,
3289 vppcom_session_state_str (session->state),
3291 vppcom_session_state_str (STATE_DISCONNECT), rv,
3292 vppcom_retval_str (rv));
3295 session->state = STATE_DISCONNECT;
3300 clib_spinlock_unlock (&vcm->sessions_lockp);
3305 if (VPPCOM_DEBUG > 2)
3308 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
3309 "FIFO-FULL (%p)", getpid (), vpp_handle,
3310 session_index, tx_fifo);
3312 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
3313 "wrote %d bytes tx-fifo: (%p)", getpid (),
3314 vpp_handle, session_index, n_write, tx_fifo);
3321 vppcom_session_write_ready (session_t * session, u32 session_index)
3329 /* Assumes caller has acquired spinlock: vcm->sessions_lockp */
3330 if (PREDICT_FALSE (session->is_vep))
3332 clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: "
3333 "cannot write to an epoll session!",
3334 getpid (), session->vpp_handle, session_index);
3339 if (PREDICT_FALSE (session->state & STATE_LISTEN))
3341 clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: "
3342 "cannot write to a listen session!",
3343 getpid (), session->vpp_handle, session_index);
3348 if (!(session->state & (SERVER_STATE_OPEN | CLIENT_STATE_OPEN)))
3350 session_state_t state = session->state;
3352 rv = ((state & STATE_DISCONNECT) ? VPPCOM_ECONNRESET : VPPCOM_ENOTCONN);
3354 clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: "
3355 "session is not open! state 0x%x (%s), "
3356 "returning %d (%s)", getpid (), session->vpp_handle,
3358 state, vppcom_session_state_str (state),
3359 rv, vppcom_retval_str (rv));
3363 ready = svm_fifo_max_enqueue (session->tx_fifo);
3365 if (VPPCOM_DEBUG > 3)
3366 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
3367 "peek %s (%p), ready = %d", getpid (),
3368 session->vpp_handle, session_index,
3369 session->tx_fifo, ready);
3373 poll_et = (((EPOLLET | EPOLLOUT) & session->vep.ev.events) ==
3374 (EPOLLET | EPOLLOUT));
3376 session->vep.et_mask |= EPOLLOUT;
3378 if (session->state & STATE_CLOSE_ON_EMPTY)
3380 rv = VPPCOM_ECONNRESET;
3382 if (VPPCOM_DEBUG > 1)
3384 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
3385 "Empty fifo with session "
3386 "state 0x%x (%s)! Setting state to 0x%x (%s), "
3387 "returning %d (%s)", getpid (),
3388 session->vpp_handle, session_index,
3390 vppcom_session_state_str (session->state),
3392 vppcom_session_state_str (STATE_DISCONNECT), rv,
3393 vppcom_retval_str (rv));
3395 session->state = STATE_DISCONNECT;
3405 vppcom_select (unsigned long n_bits, unsigned long *read_map,
3406 unsigned long *write_map, unsigned long *except_map,
3407 double time_to_wait)
3410 session_t *session = 0;
3411 int rv, bits_set = 0;
3412 f64 timeout = clib_time_now (&vcm->clib_time) + time_to_wait;
3413 u32 minbits = clib_max (n_bits, BITS (uword));
3415 ASSERT (sizeof (clib_bitmap_t) == sizeof (long int));
3417 if (n_bits && read_map)
3419 clib_bitmap_validate (vcm->rd_bitmap, minbits);
3420 clib_memcpy (vcm->rd_bitmap, read_map,
3421 vec_len (vcm->rd_bitmap) * sizeof (clib_bitmap_t));
3422 memset (read_map, 0, vec_len (vcm->rd_bitmap) * sizeof (clib_bitmap_t));
3424 if (n_bits && write_map)
3426 clib_bitmap_validate (vcm->wr_bitmap, minbits);
3427 clib_memcpy (vcm->wr_bitmap, write_map,
3428 vec_len (vcm->wr_bitmap) * sizeof (clib_bitmap_t));
3429 memset (write_map, 0,
3430 vec_len (vcm->wr_bitmap) * sizeof (clib_bitmap_t));
3432 if (n_bits && except_map)
3434 clib_bitmap_validate (vcm->ex_bitmap, minbits);
3435 clib_memcpy (vcm->ex_bitmap, except_map,
3436 vec_len (vcm->ex_bitmap) * sizeof (clib_bitmap_t));
3437 memset (except_map, 0,
3438 vec_len (vcm->ex_bitmap) * sizeof (clib_bitmap_t));
3448 clib_bitmap_foreach (session_index, vcm->rd_bitmap,
3450 clib_spinlock_lock (&vcm->sessions_lockp);
3451 rv = vppcom_session_at_index (session_index, &session);
3454 clib_spinlock_unlock (&vcm->sessions_lockp);
3455 if (VPPCOM_DEBUG > 1)
3456 clib_warning ("VCL<%d>: session %d specified in "
3457 "read_map is closed.", getpid (),
3459 bits_set = VPPCOM_EBADFD;
3463 rv = vppcom_session_read_ready (session, session_index);
3464 clib_spinlock_unlock (&vcm->sessions_lockp);
3465 if (except_map && vcm->ex_bitmap &&
3466 clib_bitmap_get (vcm->ex_bitmap, session_index) &&
3469 clib_bitmap_set_no_check (except_map, session_index, 1);
3474 clib_bitmap_set_no_check (read_map, session_index, 1);
3482 clib_bitmap_foreach (session_index, vcm->wr_bitmap,
3484 clib_spinlock_lock (&vcm->sessions_lockp);
3485 rv = vppcom_session_at_index (session_index, &session);
3488 clib_spinlock_unlock (&vcm->sessions_lockp);
3489 if (VPPCOM_DEBUG > 0)
3490 clib_warning ("VCL<%d>: session %d specified in "
3491 "write_map is closed.", getpid (),
3493 bits_set = VPPCOM_EBADFD;
3497 rv = vppcom_session_write_ready (session, session_index);
3498 clib_spinlock_unlock (&vcm->sessions_lockp);
3499 if (write_map && (rv > 0))
3501 clib_bitmap_set_no_check (write_map, session_index, 1);
3509 clib_bitmap_foreach (session_index, vcm->ex_bitmap,
3511 clib_spinlock_lock (&vcm->sessions_lockp);
3512 rv = vppcom_session_at_index (session_index, &session);
3515 clib_spinlock_unlock (&vcm->sessions_lockp);
3516 if (VPPCOM_DEBUG > 1)
3517 clib_warning ("VCL<%d>: session %d specified in "
3518 "except_map is closed.", getpid (),
3520 bits_set = VPPCOM_EBADFD;
3524 rv = vppcom_session_read_ready (session, session_index);
3525 clib_spinlock_unlock (&vcm->sessions_lockp);
3528 clib_bitmap_set_no_check (except_map, session_index, 1);
3536 while ((time_to_wait == -1) || (clib_time_now (&vcm->clib_time) < timeout));
3543 vep_verify_epoll_chain (u32 vep_idx)
3546 vppcom_epoll_t *vep;
3550 if (VPPCOM_DEBUG <= 1)
3553 /* Assumes caller has acquired spinlock: vcm->sessions_lockp */
3554 rv = vppcom_session_at_index (vep_idx, &session);
3555 if (PREDICT_FALSE (rv))
3557 clib_warning ("VCL<%d>: ERROR: Invalid vep_idx (%u)!",
3558 getpid (), vep_idx);
3561 if (PREDICT_FALSE (!session->is_vep))
3563 clib_warning ("VCL<%d>: ERROR: vep_idx (%u) is not a vep!",
3564 getpid (), vep_idx);
3567 vep = &session->vep;
3568 clib_warning ("VCL<%d>: vep_idx (%u): Dumping epoll chain\n"
3571 " is_vep_session = %u\n"
3572 " next_sid = 0x%x (%u)\n"
3573 " wait_cont_idx = 0x%x (%u)\n"
3574 "}\n", getpid (), vep_idx,
3575 session->is_vep, session->is_vep_session,
3576 vep->next_sid, vep->next_sid,
3577 session->wait_cont_idx, session->wait_cont_idx);
3579 for (sid = vep->next_sid; sid != ~0; sid = vep->next_sid)
3581 rv = vppcom_session_at_index (sid, &session);
3582 if (PREDICT_FALSE (rv))
3584 clib_warning ("VCL<%d>: ERROR: Invalid sid (%u)!", getpid (), sid);
3587 if (PREDICT_FALSE (session->is_vep))
3588 clib_warning ("VCL<%d>: ERROR: sid (%u) is a vep!",
3589 getpid (), vep_idx);
3590 else if (PREDICT_FALSE (!session->is_vep_session))
3592 clib_warning ("VCL<%d>: ERROR: session (%u) "
3593 "is not a vep session!", getpid (), sid);
3596 vep = &session->vep;
3597 if (PREDICT_FALSE (vep->vep_idx != vep_idx))
3598 clib_warning ("VCL<%d>: ERROR: session (%u) vep_idx (%u) != "
3599 "vep_idx (%u)!", getpid (),
3600 sid, session->vep.vep_idx, vep_idx);
3601 if (session->is_vep_session)
3603 clib_warning ("vep_idx[%u]: sid 0x%x (%u)\n"
3605 " next_sid = 0x%x (%u)\n"
3606 " prev_sid = 0x%x (%u)\n"
3607 " vep_idx = 0x%x (%u)\n"
3608 " ev.events = 0x%x\n"
3609 " ev.data.u64 = 0x%llx\n"
3613 vep->next_sid, vep->next_sid,
3614 vep->prev_sid, vep->prev_sid,
3615 vep->vep_idx, vep->vep_idx,
3616 vep->ev.events, vep->ev.data.u64, vep->et_mask);
3621 clib_warning ("VCL<%d>: vep_idx (%u): Dump complete!\n",
3622 getpid (), vep_idx);
3626 vppcom_epoll_create (void)
3628 session_t *vep_session;
3630 elog_track_t vep_elog_track;
3632 clib_spinlock_lock (&vcm->sessions_lockp);
3633 pool_get (vcm->sessions, vep_session);
3634 memset (vep_session, 0, sizeof (*vep_session));
3635 vep_idx = vep_session - vcm->sessions;
3637 vep_session->is_vep = 1;
3638 vep_session->vep.vep_idx = ~0;
3639 vep_session->vep.next_sid = ~0;
3640 vep_session->vep.prev_sid = ~0;
3641 vep_session->wait_cont_idx = ~0;
3642 vep_session->vpp_handle = ~0;
3644 if (VPPCOM_DEBUG > 0)
3646 vep_session->elog_track.name =
3647 (char *) format (0, "C:%d:VEP:%d%c", vcm->my_client_index,
3649 elog_track_register (&vcm->elog_main, &vep_session->elog_track);
3650 vep_elog_track = vep_session->elog_track;
3653 clib_spinlock_unlock (&vcm->sessions_lockp);
3655 if (VPPCOM_DEBUG > 0)
3656 clib_warning ("VCL<%d>: Created vep_idx %u / sid %u!",
3657 getpid (), vep_idx, vep_idx);
3659 if (VPPCOM_DEBUG > 0)
3663 ELOG_TYPE_DECLARE (e) =
3665 .format = "created epoll session:%d",
3666 .format_args = "i4",
3674 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, vep_elog_track);
3683 vppcom_epoll_ctl (uint32_t vep_idx, int op, uint32_t session_index,
3684 struct epoll_event *event)
3686 session_t *vep_session;
3690 if (vep_idx == session_index)
3692 clib_warning ("VCL<%d>: ERROR: vep_idx == session_index (%u)!",
3693 getpid (), vep_idx);
3694 return VPPCOM_EINVAL;
3697 clib_spinlock_lock (&vcm->sessions_lockp);
3698 rv = vppcom_session_at_index (vep_idx, &vep_session);
3699 if (PREDICT_FALSE (rv))
3701 clib_warning ("VCL<%d>: ERROR: Invalid vep_idx (%u)!", vep_idx);
3704 if (PREDICT_FALSE (!vep_session->is_vep))
3706 clib_warning ("VCL<%d>: ERROR: vep_idx (%u) is not a vep!",
3707 getpid (), vep_idx);
3712 ASSERT (vep_session->vep.vep_idx == ~0);
3713 ASSERT (vep_session->vep.prev_sid == ~0);
3715 rv = vppcom_session_at_index (session_index, &session);
3716 if (PREDICT_FALSE (rv))
3718 if (VPPCOM_DEBUG > 0)
3719 clib_warning ("VCL<%d>: ERROR: Invalid session_index (%u)!",
3720 getpid (), session_index);
3723 if (PREDICT_FALSE (session->is_vep))
3725 clib_warning ("ERROR: session_index (%u) is a vep!", vep_idx);
3733 if (PREDICT_FALSE (!event))
3735 clib_warning ("VCL<%d>: ERROR: EPOLL_CTL_ADD: NULL pointer to "
3736 "epoll_event structure!", getpid ());
3740 if (vep_session->vep.next_sid != ~0)
3742 session_t *next_session;
3743 rv = vppcom_session_at_index (vep_session->vep.next_sid,
3745 if (PREDICT_FALSE (rv))
3747 clib_warning ("VCL<%d>: ERROR: EPOLL_CTL_ADD: Invalid "
3748 "vep.next_sid (%u) on vep_idx (%u)!",
3749 getpid (), vep_session->vep.next_sid, vep_idx);
3752 ASSERT (next_session->vep.prev_sid == vep_idx);
3753 next_session->vep.prev_sid = session_index;
3755 session->vep.next_sid = vep_session->vep.next_sid;
3756 session->vep.prev_sid = vep_idx;
3757 session->vep.vep_idx = vep_idx;
3758 session->vep.et_mask = VEP_DEFAULT_ET_MASK;
3759 session->vep.ev = *event;
3760 session->is_vep = 0;
3761 session->is_vep_session = 1;
3762 vep_session->vep.next_sid = session_index;
3763 if (VPPCOM_DEBUG > 1)
3764 clib_warning ("VCL<%d>: EPOLL_CTL_ADD: vep_idx %u, "
3765 "sid %u, events 0x%x, data 0x%llx!",
3766 getpid (), vep_idx, session_index,
3767 event->events, event->data.u64);
3768 if (VPPCOM_DEBUG > 0)
3771 ELOG_TYPE_DECLARE (e) =
3773 .format = "epoll_ctladd: events:%x data:%x",
3774 .format_args = "i4i4i8",
3782 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
3784 ed->events = event->events;
3785 ed->event_data = event->data.u64;
3791 if (PREDICT_FALSE (!event))
3793 clib_warning ("VCL<%d>: ERROR: EPOLL_CTL_MOD: NULL pointer to "
3794 "epoll_event structure!", getpid ());
3798 else if (PREDICT_FALSE (!session->is_vep_session))
3800 clib_warning ("VCL<%d>: ERROR: sid %u EPOLL_CTL_MOD: "
3801 "not a vep session!", getpid (), session_index);
3805 else if (PREDICT_FALSE (session->vep.vep_idx != vep_idx))
3807 clib_warning ("VCL<%d>: ERROR: sid %u EPOLL_CTL_MOD: "
3808 "vep_idx (%u) != vep_idx (%u)!",
3809 getpid (), session_index,
3810 session->vep.vep_idx, vep_idx);
3814 session->vep.et_mask = VEP_DEFAULT_ET_MASK;
3815 session->vep.ev = *event;
3816 if (VPPCOM_DEBUG > 1)
3818 ("VCL<%d>: EPOLL_CTL_MOD: vep_idx %u, sid %u, events 0x%x,"
3819 " data 0x%llx!", getpid (), vep_idx, session_index, event->events,
3824 if (PREDICT_FALSE (!session->is_vep_session))
3826 clib_warning ("VCL<%d>: ERROR: sid %u EPOLL_CTL_DEL: "
3827 "not a vep session!", getpid (), session_index);
3831 else if (PREDICT_FALSE (session->vep.vep_idx != vep_idx))
3833 clib_warning ("VCL<%d>: ERROR: sid %u EPOLL_CTL_DEL: "
3834 "vep_idx (%u) != vep_idx (%u)!",
3835 getpid (), session_index,
3836 session->vep.vep_idx, vep_idx);
3841 vep_session->wait_cont_idx =
3842 (vep_session->wait_cont_idx == session_index) ?
3843 session->vep.next_sid : vep_session->wait_cont_idx;
3845 if (session->vep.prev_sid == vep_idx)
3846 vep_session->vep.next_sid = session->vep.next_sid;
3849 session_t *prev_session;
3850 rv = vppcom_session_at_index (session->vep.prev_sid, &prev_session);
3851 if (PREDICT_FALSE (rv))
3853 clib_warning ("VCL<%d>: ERROR: EPOLL_CTL_DEL: Invalid "
3854 "vep.prev_sid (%u) on sid (%u)!",
3855 getpid (), session->vep.prev_sid, session_index);
3858 ASSERT (prev_session->vep.next_sid == session_index);
3859 prev_session->vep.next_sid = session->vep.next_sid;
3861 if (session->vep.next_sid != ~0)
3863 session_t *next_session;
3864 rv = vppcom_session_at_index (session->vep.next_sid, &next_session);
3865 if (PREDICT_FALSE (rv))
3867 clib_warning ("VCL<%d>: ERROR: EPOLL_CTL_DEL: Invalid "
3868 "vep.next_sid (%u) on sid (%u)!",
3869 getpid (), session->vep.next_sid, session_index);
3872 ASSERT (next_session->vep.prev_sid == session_index);
3873 next_session->vep.prev_sid = session->vep.prev_sid;
3876 memset (&session->vep, 0, sizeof (session->vep));
3877 session->vep.next_sid = ~0;
3878 session->vep.prev_sid = ~0;
3879 session->vep.vep_idx = ~0;
3880 session->is_vep_session = 0;
3881 if (VPPCOM_DEBUG > 1)
3882 clib_warning ("VCL<%d>: EPOLL_CTL_DEL: vep_idx %u, sid %u!",
3883 getpid (), vep_idx, session_index);
3884 if (VPPCOM_DEBUG > 0)
3887 ELOG_TYPE_DECLARE (e) =
3889 .format = "epoll_ctldel: vep:%d",
3890 .format_args = "i4",
3897 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
3905 clib_warning ("VCL<%d>: ERROR: Invalid operation (%d)!", getpid (), op);
3909 vep_verify_epoll_chain (vep_idx);
3912 clib_spinlock_unlock (&vcm->sessions_lockp);
3917 vppcom_epoll_wait (uint32_t vep_idx, struct epoll_event *events,
3918 int maxevents, double wait_for_time)
3920 session_t *vep_session;
3921 elog_track_t vep_elog_track;
3923 f64 timeout = clib_time_now (&vcm->clib_time) + wait_for_time;
3924 u32 keep_trying = 1;
3926 u32 vep_next_sid, wait_cont_idx;
3929 if (PREDICT_FALSE (maxevents <= 0))
3931 clib_warning ("VCL<%d>: ERROR: Invalid maxevents (%d)!",
3932 getpid (), maxevents);
3933 return VPPCOM_EINVAL;
3935 memset (events, 0, sizeof (*events) * maxevents);
3937 VCL_LOCK_AND_GET_SESSION (vep_idx, &vep_session);
3938 vep_next_sid = vep_session->vep.next_sid;
3939 is_vep = vep_session->is_vep;
3940 wait_cont_idx = vep_session->wait_cont_idx;
3941 vep_elog_track = vep_session->elog_track;
3942 clib_spinlock_unlock (&vcm->sessions_lockp);
3944 if (PREDICT_FALSE (!is_vep))
3946 clib_warning ("VCL<%d>: ERROR: vep_idx (%u) is not a vep!",
3947 getpid (), vep_idx);
3951 if (PREDICT_FALSE (vep_next_sid == ~0))
3953 if (VPPCOM_DEBUG > 0)
3954 clib_warning ("VCL<%d>: WARNING: vep_idx (%u) is empty!",
3955 getpid (), vep_idx);
3956 if (VPPCOM_DEBUG > 0)
3959 ELOG_TYPE_DECLARE (e) =
3961 .format = "WRN: vep_idx:%d empty",
3962 .format_args = "i4",
3969 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, vep_elog_track);
3982 elog_track_t session_elog_track;
3984 for (sid = (wait_cont_idx == ~0) ? vep_next_sid : wait_cont_idx;
3985 sid != ~0; sid = next_sid)
3987 u32 session_events, et_mask, clear_et_mask, session_vep_idx;
3988 u8 add_event, is_vep_session;
3990 u64 session_ev_data;
3992 VCL_LOCK_AND_GET_SESSION (sid, &session);
3993 next_sid = session->vep.next_sid;
3994 session_events = session->vep.ev.events;
3995 et_mask = session->vep.et_mask;
3996 is_vep = session->is_vep;
3997 is_vep_session = session->is_vep_session;
3998 session_vep_idx = session->vep.vep_idx;
3999 session_ev_data = session->vep.ev.data.u64;
4001 if (VPPCOM_DEBUG > 0)
4003 session_elog_track = session->elog_track;
4006 clib_spinlock_unlock (&vcm->sessions_lockp);
4008 if (PREDICT_FALSE (is_vep))
4010 if (VPPCOM_DEBUG > 0)
4011 clib_warning ("VCL<%d>: ERROR: sid (%u) is a vep!",
4012 getpid (), vep_idx);
4013 if (VPPCOM_DEBUG > 0)
4016 ELOG_TYPE_DECLARE (e) =
4018 .format = "ERR:vep_idx:%d is vep",
4019 .format_args = "i4",
4026 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session_elog_track);
4035 if (PREDICT_FALSE (!is_vep_session))
4037 if (VPPCOM_DEBUG > 0)
4038 clib_warning ("VCL<%d>: ERROR: session (%u) is not "
4039 "a vep session!", getpid (), sid);
4040 if (VPPCOM_DEBUG > 0)
4043 ELOG_TYPE_DECLARE (e) =
4045 .format = "ERR:SID:%d not vep",
4046 .format_args = "i4",
4053 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session_elog_track);
4062 if (PREDICT_FALSE (session_vep_idx != vep_idx))
4064 clib_warning ("VCL<%d>: ERROR: session (%u) "
4065 "vep_idx (%u) != vep_idx (%u)!",
4066 getpid (), sid, session_vep_idx, vep_idx);
4071 add_event = clear_et_mask = 0;
4073 if (EPOLLIN & session_events)
4075 VCL_LOCK_AND_GET_SESSION (sid, &session);
4076 ready = vppcom_session_read_ready (session, sid);
4077 clib_spinlock_unlock (&vcm->sessions_lockp);
4078 if ((ready > 0) && (EPOLLIN & et_mask))
4081 events[num_ev].events |= EPOLLIN;
4082 if (((EPOLLET | EPOLLIN) & session_events) ==
4083 (EPOLLET | EPOLLIN))
4084 clear_et_mask |= EPOLLIN;
4091 case VPPCOM_ECONNRESET:
4092 events[num_ev].events |= EPOLLHUP | EPOLLRDHUP;
4096 events[num_ev].events |= EPOLLERR;
4102 if (EPOLLOUT & session_events)
4104 VCL_LOCK_AND_GET_SESSION (sid, &session);
4105 ready = vppcom_session_write_ready (session, sid);
4106 clib_spinlock_unlock (&vcm->sessions_lockp);
4107 if ((ready > 0) && (EPOLLOUT & et_mask))
4110 events[num_ev].events |= EPOLLOUT;
4111 if (((EPOLLET | EPOLLOUT) & session_events) ==
4112 (EPOLLET | EPOLLOUT))
4113 clear_et_mask |= EPOLLOUT;
4120 case VPPCOM_ECONNRESET:
4121 events[num_ev].events |= EPOLLHUP;
4125 events[num_ev].events |= EPOLLERR;
4133 events[num_ev].data.u64 = session_ev_data;
4134 if (EPOLLONESHOT & session_events)
4136 VCL_LOCK_AND_GET_SESSION (sid, &session);
4137 session->vep.ev.events = 0;
4138 clib_spinlock_unlock (&vcm->sessions_lockp);
4141 if (num_ev == maxevents)
4143 VCL_LOCK_AND_GET_SESSION (vep_idx, &vep_session);
4144 vep_session->wait_cont_idx = next_sid;
4145 clib_spinlock_unlock (&vcm->sessions_lockp);
4149 if (wait_cont_idx != ~0)
4152 next_sid = vep_next_sid;
4153 else if (next_sid == wait_cont_idx)
4157 if (wait_for_time != -1)
4158 keep_trying = (clib_time_now (&vcm->clib_time) <= timeout) ? 1 : 0;
4160 while ((num_ev == 0) && keep_trying);
4162 if (wait_cont_idx != ~0)
4164 VCL_LOCK_AND_GET_SESSION (vep_idx, &vep_session);
4165 vep_session->wait_cont_idx = ~0;
4166 clib_spinlock_unlock (&vcm->sessions_lockp);
4169 return (rv != VPPCOM_OK) ? rv : num_ev;
4173 vppcom_session_attr (uint32_t session_index, uint32_t op,
4174 void *buffer, uint32_t * buflen)
4178 u32 *flags = buffer;
4179 vppcom_endpt_t *ep = buffer;
4181 VCL_LOCK_AND_GET_SESSION (session_index, &session);
4187 case VPPCOM_ATTR_GET_NREAD:
4188 rv = vppcom_session_read_ready (session, session_index);
4189 if (VPPCOM_DEBUG > 2)
4190 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_NREAD: sid %u, nread = %d",
4192 if (VPPCOM_DEBUG > 0)
4195 ELOG_TYPE_DECLARE (e) =
4197 .format = "VPPCOM_ATTR_GET_NREAD: nread=%d",
4198 .format_args = "i4",
4205 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4213 case VPPCOM_ATTR_GET_NWRITE:
4214 rv = vppcom_session_write_ready (session, session_index);
4215 if (VPPCOM_DEBUG > 2)
4216 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_NWRITE: sid %u, nwrite = %d",
4217 getpid (), session_index, rv);
4218 if (VPPCOM_DEBUG > 0)
4221 ELOG_TYPE_DECLARE (e) =
4223 .format = "VPPCOM_ATTR_GET_NWRITE: nwrite=%d",
4224 .format_args = "i4",
4231 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4238 case VPPCOM_ATTR_GET_FLAGS:
4239 if (PREDICT_TRUE (buffer && buflen && (*buflen >= sizeof (*flags))))
4241 *flags = O_RDWR | (VCL_SESS_ATTR_TEST (session->attr,
4242 VCL_SESS_ATTR_NONBLOCK));
4243 *buflen = sizeof (*flags);
4244 if (VPPCOM_DEBUG > 2)
4245 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_FLAGS: sid %u, "
4246 "flags = 0x%08x, is_nonblocking = %u", getpid (),
4247 session_index, *flags,
4248 VCL_SESS_ATTR_TEST (session->attr,
4249 VCL_SESS_ATTR_NONBLOCK));
4250 if (VPPCOM_DEBUG > 0)
4253 ELOG_TYPE_DECLARE (e) =
4255 .format = "VPPCOM_ATTR_GET_FLAGS: flags=%x is_nonblk=%d",
4256 .format_args = "i4i4",
4264 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4267 ed->is_nonblk = VCL_SESS_ATTR_TEST (session->attr, VCL_SESS_ATTR_NONBLOCK);
4276 case VPPCOM_ATTR_SET_FLAGS:
4277 if (PREDICT_TRUE (buffer && buflen && (*buflen == sizeof (*flags))))
4279 if (*flags & O_NONBLOCK)
4280 VCL_SESS_ATTR_SET (session->attr, VCL_SESS_ATTR_NONBLOCK);
4282 VCL_SESS_ATTR_CLR (session->attr, VCL_SESS_ATTR_NONBLOCK);
4284 if (VPPCOM_DEBUG > 2)
4285 clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_FLAGS: sid %u, "
4286 "flags = 0x%08x, is_nonblocking = %u",
4287 getpid (), session_index, *flags,
4288 VCL_SESS_ATTR_TEST (session->attr,
4289 VCL_SESS_ATTR_NONBLOCK));
4290 if (VPPCOM_DEBUG > 0)
4293 ELOG_TYPE_DECLARE (e) =
4295 .format = "VPPCOM_ATTR_SET_FLAGS: flags=%x is_nonblk=%d",
4296 .format_args = "i4i4",
4304 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4307 ed->is_nonblk = VCL_SESS_ATTR_TEST (session->attr, VCL_SESS_ATTR_NONBLOCK);
4315 case VPPCOM_ATTR_GET_PEER_ADDR:
4316 if (PREDICT_TRUE (buffer && buflen &&
4317 (*buflen >= sizeof (*ep)) && ep->ip))
4319 ep->is_ip4 = session->peer_addr.is_ip4;
4320 ep->port = session->peer_port;
4321 if (session->peer_addr.is_ip4)
4322 clib_memcpy (ep->ip, &session->peer_addr.ip46.ip4,
4323 sizeof (ip4_address_t));
4325 clib_memcpy (ep->ip, &session->peer_addr.ip46.ip6,
4326 sizeof (ip6_address_t));
4327 *buflen = sizeof (*ep);
4328 if (VPPCOM_DEBUG > 1)
4329 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_PEER_ADDR: sid %u, "
4330 "is_ip4 = %u, addr = %U, port %u", getpid (),
4331 session_index, ep->is_ip4, format_ip46_address,
4332 &session->peer_addr.ip46, ep->is_ip4,
4333 clib_net_to_host_u16 (ep->port));
4334 if (VPPCOM_DEBUG > 0)
4339 ELOG_TYPE_DECLARE (e) =
4341 .format = "VPPCOM_ATTR_GET_PEER_ADDR: addr:%d.%d.%d.%d:%d",
4342 .format_args = "i1i1i1i1i2",
4344 CLIB_PACKED (struct {
4349 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4351 ed->addr[0] = session->peer_addr.ip46.ip4.as_u8[0];
4352 ed->addr[1] = session->peer_addr.ip46.ip4.as_u8[1];
4353 ed->addr[2] = session->peer_addr.ip46.ip4.as_u8[2];
4354 ed->addr[3] = session->peer_addr.ip46.ip4.as_u8[3];
4355 ed->port = clib_net_to_host_u16 (session->peer_port);
4361 ELOG_TYPE_DECLARE (e) =
4363 .format = "VPPCOM_ATTR_GET_PEER_ADDR: addr:IP6:%d",
4364 .format_args = "i2",
4366 CLIB_PACKED (struct {
4370 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4372 ed->port = clib_net_to_host_u16 (session->peer_port);
4381 case VPPCOM_ATTR_GET_LCL_ADDR:
4382 if (PREDICT_TRUE (buffer && buflen &&
4383 (*buflen >= sizeof (*ep)) && ep->ip))
4385 ep->is_ip4 = session->lcl_addr.is_ip4;
4386 ep->port = session->lcl_port;
4387 if (session->lcl_addr.is_ip4)
4388 clib_memcpy (ep->ip, &session->lcl_addr.ip46.ip4,
4389 sizeof (ip4_address_t));
4391 clib_memcpy (ep->ip, &session->lcl_addr.ip46.ip6,
4392 sizeof (ip6_address_t));
4393 *buflen = sizeof (*ep);
4394 if (VPPCOM_DEBUG > 1)
4395 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_LCL_ADDR: sid %u, "
4396 "is_ip4 = %u, addr = %U port %d", getpid (),
4397 session_index, ep->is_ip4, format_ip46_address,
4398 &session->lcl_addr.ip46, ep->is_ip4,
4399 clib_net_to_host_u16 (ep->port));
4400 if (VPPCOM_DEBUG > 0)
4405 ELOG_TYPE_DECLARE (e) =
4407 .format = "VPPCOM_ATTR_GET_LCL_ADDR: addr:%d.%d.%d.%d:%d",
4408 .format_args = "i1i1i1i1i2",
4410 CLIB_PACKED (struct {
4415 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4417 ed->addr[0] = session->lcl_addr.ip46.ip4.as_u8[0];
4418 ed->addr[1] = session->lcl_addr.ip46.ip4.as_u8[1];
4419 ed->addr[2] = session->lcl_addr.ip46.ip4.as_u8[2];
4420 ed->addr[3] = session->lcl_addr.ip46.ip4.as_u8[3];
4421 ed->port = clib_net_to_host_u16 (session->peer_port);
4427 ELOG_TYPE_DECLARE (e) =
4429 .format = "VPPCOM_ATTR_GET_LCL_ADDR: addr:IP6:%d",
4430 .format_args = "i2",
4432 CLIB_PACKED (struct {
4436 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4438 ed->port = clib_net_to_host_u16 (session->peer_port);
4447 case VPPCOM_ATTR_GET_LIBC_EPFD:
4448 rv = session->libc_epfd;
4449 if (VPPCOM_DEBUG > 2)
4450 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_LIBC_EPFD: libc_epfd %d",
4452 if (VPPCOM_DEBUG > 0)
4455 ELOG_TYPE_DECLARE (e) =
4457 .format = "VPPCOM_ATTR_GET_LIBC_EPFD: libc_epfd=%d",
4458 .format_args = "i4",
4460 CLIB_PACKED (struct {
4464 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4465 ed->data = session->libc_epfd;
4471 case VPPCOM_ATTR_SET_LIBC_EPFD:
4472 if (PREDICT_TRUE (buffer && buflen &&
4473 (*buflen == sizeof (session->libc_epfd))))
4475 session->libc_epfd = *(int *) buffer;
4476 *buflen = sizeof (session->libc_epfd);
4478 if (VPPCOM_DEBUG > 2)
4479 clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_LIBC_EPFD: libc_epfd %d, "
4480 "buflen %d", getpid (), session->libc_epfd,
4482 if (VPPCOM_DEBUG > 0)
4485 ELOG_TYPE_DECLARE (e) =
4487 .format = "VPPCOM_ATTR_SET_LIBC_EPFD: libc_epfd=%s%d buflen=%d",
4488 .format_args = "t1i4i4",
4489 .n_enum_strings = 2,
4490 .enum_strings = {"", "-",},
4492 CLIB_PACKED (struct {
4497 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4499 ed->sign = (session->libc_epfd < 0);
4500 ed->data[0] = abs(session->libc_epfd);
4501 ed->data[1] = *buflen;
4509 case VPPCOM_ATTR_GET_PROTOCOL:
4510 if (buffer && buflen && (*buflen >= sizeof (int)))
4512 *(int *) buffer = session->proto;
4513 *buflen = sizeof (int);
4515 if (VPPCOM_DEBUG > 2)
4516 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_PROTOCOL: %d (%s), "
4517 "buflen %d", getpid (), *(int *) buffer,
4518 *(int *) buffer ? "UDP" : "TCP", *buflen);
4519 if (VPPCOM_DEBUG > 0)
4522 ELOG_TYPE_DECLARE (e) =
4524 .format = "VPPCOM_ATTR_GET_PROTOCOL: %s buflen=%d",
4525 .format_args = "t1i4",
4526 .n_enum_strings = 2,
4527 .enum_strings = {"TCP", "UDP",},
4530 CLIB_PACKED (struct {
4535 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4536 ed->proto = session->proto;
4537 ed->buflen = *(int *) buffer;
4545 case VPPCOM_ATTR_GET_LISTEN:
4546 if (buffer && buflen && (*buflen >= sizeof (int)))
4548 *(int *) buffer = VCL_SESS_ATTR_TEST (session->attr,
4549 VCL_SESS_ATTR_LISTEN);
4550 *buflen = sizeof (int);
4552 if (VPPCOM_DEBUG > 2)
4553 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_LISTEN: %d, "
4554 "buflen %d", getpid (), *(int *) buffer, *buflen);
4555 if (VPPCOM_DEBUG > 0)
4558 ELOG_TYPE_DECLARE (e) =
4560 .format = "VPPCOM_ATTR_GET_LISTEN: %d buflen=%d",
4561 .format_args = "i4i4",
4568 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4569 ed->data[0] = *(int *) buffer;
4570 ed->data[1] = *buflen;
4578 case VPPCOM_ATTR_GET_ERROR:
4579 if (buffer && buflen && (*buflen >= sizeof (int)))
4581 *(int *) buffer = 0;
4582 *buflen = sizeof (int);
4584 if (VPPCOM_DEBUG > 2)
4585 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_ERROR: %d, "
4586 "buflen %d, #VPP-TBD#", getpid (),
4587 *(int *) buffer, *buflen);
4588 if (VPPCOM_DEBUG > 0)
4591 ELOG_TYPE_DECLARE (e) =
4593 .format = "VPPCOM_ATTR_GET_ERROR: %d buflen=%d",
4594 .format_args = "i4i4",
4601 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4602 ed->data[0] = *(int *) buffer;
4603 ed->data[1] = *buflen;
4611 case VPPCOM_ATTR_GET_TX_FIFO_LEN:
4612 if (buffer && buflen && (*buflen >= sizeof (u32)))
4616 *(size_t *) buffer = (session->sndbuf_size ? session->sndbuf_size :
4617 session->tx_fifo ? session->tx_fifo->nitems :
4618 vcm->cfg.tx_fifo_size);
4619 *buflen = sizeof (u32);
4621 if (VPPCOM_DEBUG > 2)
4622 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_TX_FIFO_LEN: %u (0x%x), "
4623 "buflen %d, #VPP-TBD#", getpid (),
4624 *(size_t *) buffer, *(size_t *) buffer, *buflen);
4625 if (VPPCOM_DEBUG > 0)
4628 ELOG_TYPE_DECLARE (e) =
4630 .format = "VPPCOM_ATTR_GET_TX_FIFO_LEN: 0x%x buflen=%d",
4631 .format_args = "i4i4",
4638 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4639 ed->data[0] = *(size_t *) buffer;
4640 ed->data[1] = *buflen;
4648 case VPPCOM_ATTR_SET_TX_FIFO_LEN:
4649 if (buffer && buflen && (*buflen == sizeof (u32)))
4652 session->sndbuf_size = *(u32 *) buffer;
4653 if (VPPCOM_DEBUG > 2)
4654 clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_TX_FIFO_LEN: %u (0x%x), "
4655 "buflen %d, #VPP-TBD#", getpid (),
4656 session->sndbuf_size, session->sndbuf_size,
4658 if (VPPCOM_DEBUG > 0)
4661 ELOG_TYPE_DECLARE (e) =
4663 .format = "VPPCOM_ATTR_SET_TX_FIFO_LEN: 0x%x buflen=%d",
4664 .format_args = "i4i4",
4671 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4672 ed->data[0] = session->sndbuf_size;
4673 ed->data[1] = *buflen;
4681 case VPPCOM_ATTR_GET_RX_FIFO_LEN:
4682 if (buffer && buflen && (*buflen >= sizeof (u32)))
4686 *(size_t *) buffer = (session->rcvbuf_size ? session->rcvbuf_size :
4687 session->rx_fifo ? session->rx_fifo->nitems :
4688 vcm->cfg.rx_fifo_size);
4689 *buflen = sizeof (u32);
4691 if (VPPCOM_DEBUG > 2)
4692 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_RX_FIFO_LEN: %u (0x%x), "
4693 "buflen %d, #VPP-TBD#", getpid (),
4694 *(size_t *) buffer, *(size_t *) buffer, *buflen);
4695 if (VPPCOM_DEBUG > 0)
4698 ELOG_TYPE_DECLARE (e) =
4700 .format = "VPPCOM_ATTR_GET_RX_FIFO_LEN: 0x%x buflen=%d",
4701 .format_args = "i4i4",
4708 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4709 ed->data[0] = *(size_t *) buffer;
4710 ed->data[1] = *buflen;
4718 case VPPCOM_ATTR_SET_RX_FIFO_LEN:
4719 if (buffer && buflen && (*buflen == sizeof (u32)))
4722 session->rcvbuf_size = *(u32 *) buffer;
4723 if (VPPCOM_DEBUG > 2)
4724 clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_RX_FIFO_LEN: %u (0x%x), "
4725 "buflen %d, #VPP-TBD#", getpid (),
4726 session->sndbuf_size, session->sndbuf_size,
4728 if (VPPCOM_DEBUG > 0)
4731 ELOG_TYPE_DECLARE (e) =
4733 .format = "VPPCOM_ATTR_SET_RX_FIFO_LEN: 0x%x buflen=%d",
4734 .format_args = "i4i4",
4741 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4742 ed->data[0] = session->sndbuf_size;
4743 ed->data[1] = *buflen;
4751 case VPPCOM_ATTR_GET_REUSEADDR:
4752 if (buffer && buflen && (*buflen >= sizeof (int)))
4755 *(int *) buffer = VCL_SESS_ATTR_TEST (session->attr,
4756 VCL_SESS_ATTR_REUSEADDR);
4757 *buflen = sizeof (int);
4759 if (VPPCOM_DEBUG > 2)
4760 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_REUSEADDR: %d, "
4761 "buflen %d, #VPP-TBD#", getpid (), *(int *) buffer,
4763 if (VPPCOM_DEBUG > 0)
4766 ELOG_TYPE_DECLARE (e) =
4768 .format = "VPPCOM_ATTR_GET_REUSEADDR: %d buflen=%d",
4769 .format_args = "i4i4",
4776 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4777 ed->data[0] = *(int *) buffer;
4778 ed->data[1] = *buflen;
4786 case VPPCOM_ATTR_SET_REUSEADDR:
4787 if (buffer && buflen && (*buflen == sizeof (int)) &&
4788 !VCL_SESS_ATTR_TEST (session->attr, VCL_SESS_ATTR_LISTEN))
4791 if (*(int *) buffer)
4792 VCL_SESS_ATTR_SET (session->attr, VCL_SESS_ATTR_REUSEADDR);
4794 VCL_SESS_ATTR_CLR (session->attr, VCL_SESS_ATTR_REUSEADDR);
4796 if (VPPCOM_DEBUG > 2)
4797 clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_REUSEADDR: %d, "
4798 "buflen %d, #VPP-TBD#", getpid (),
4799 VCL_SESS_ATTR_TEST (session->attr,
4800 VCL_SESS_ATTR_REUSEADDR),
4802 if (VPPCOM_DEBUG > 0)
4805 ELOG_TYPE_DECLARE (e) =
4807 .format = "VPPCOM_ATTR_SET_REUSEADDR: %d buflen=%d",
4808 .format_args = "i4i4",
4815 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4816 ed->data[0] = VCL_SESS_ATTR_TEST (session->attr,
4817 VCL_SESS_ATTR_REUSEADDR);
4818 ed->data[1] = *buflen;
4826 case VPPCOM_ATTR_GET_REUSEPORT:
4827 if (buffer && buflen && (*buflen >= sizeof (int)))
4830 *(int *) buffer = VCL_SESS_ATTR_TEST (session->attr,
4831 VCL_SESS_ATTR_REUSEPORT);
4832 *buflen = sizeof (int);
4834 if (VPPCOM_DEBUG > 2)
4835 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_REUSEPORT: %d, "
4836 "buflen %d, #VPP-TBD#", getpid (), *(int *) buffer,
4838 if (VPPCOM_DEBUG > 0)
4841 ELOG_TYPE_DECLARE (e) =
4843 .format = "VPPCOM_ATTR_GET_REUSEPORT: %d buflen=%d",
4844 .format_args = "i4i4",
4851 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4852 ed->data[0] = *(int *) buffer;
4853 ed->data[1] = *buflen;
4861 case VPPCOM_ATTR_SET_REUSEPORT:
4862 if (buffer && buflen && (*buflen == sizeof (int)) &&
4863 !VCL_SESS_ATTR_TEST (session->attr, VCL_SESS_ATTR_LISTEN))
4866 if (*(int *) buffer)
4867 VCL_SESS_ATTR_SET (session->attr, VCL_SESS_ATTR_REUSEPORT);
4869 VCL_SESS_ATTR_CLR (session->attr, VCL_SESS_ATTR_REUSEPORT);
4871 if (VPPCOM_DEBUG > 2)
4872 clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_REUSEPORT: %d, "
4873 "buflen %d, #VPP-TBD#", getpid (),
4874 VCL_SESS_ATTR_TEST (session->attr,
4875 VCL_SESS_ATTR_REUSEPORT),
4877 if (VPPCOM_DEBUG > 0)
4880 ELOG_TYPE_DECLARE (e) =
4882 .format = "VPPCOM_ATTR_SET_REUSEPORT: %d buflen=%d",
4883 .format_args = "i4i4",
4890 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4891 ed->data[0] = VCL_SESS_ATTR_TEST (session->attr,
4892 VCL_SESS_ATTR_REUSEPORT);
4893 ed->data[1] = *buflen;
4901 case VPPCOM_ATTR_GET_BROADCAST:
4902 if (buffer && buflen && (*buflen >= sizeof (int)))
4905 *(int *) buffer = VCL_SESS_ATTR_TEST (session->attr,
4906 VCL_SESS_ATTR_BROADCAST);
4907 *buflen = sizeof (int);
4909 if (VPPCOM_DEBUG > 2)
4910 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_BROADCAST: %d, "
4911 "buflen %d, #VPP-TBD#", getpid (), *(int *) buffer,
4913 if (VPPCOM_DEBUG > 0)
4916 ELOG_TYPE_DECLARE (e) =
4918 .format = "VPPCOM_ATTR_GET_BROADCAST: %d buflen=%d",
4919 .format_args = "i4i4",
4926 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4927 ed->data[0] = *(int *) buffer;
4928 ed->data[1] = *buflen;
4936 case VPPCOM_ATTR_SET_BROADCAST:
4937 if (buffer && buflen && (*buflen == sizeof (int)))
4940 if (*(int *) buffer)
4941 VCL_SESS_ATTR_SET (session->attr, VCL_SESS_ATTR_BROADCAST);
4943 VCL_SESS_ATTR_CLR (session->attr, VCL_SESS_ATTR_BROADCAST);
4945 if (VPPCOM_DEBUG > 2)
4946 clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_BROADCAST: %d, "
4947 "buflen %d, #VPP-TBD#", getpid (),
4948 VCL_SESS_ATTR_TEST (session->attr,
4949 VCL_SESS_ATTR_BROADCAST),
4951 if (VPPCOM_DEBUG > 0)
4954 ELOG_TYPE_DECLARE (e) =
4956 .format = "VPPCOM_ATTR_SET_BROADCAST: %d buflen=%d",
4957 .format_args = "i4i4",
4964 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4965 ed->data[0] = VCL_SESS_ATTR_TEST (session->attr,
4966 VCL_SESS_ATTR_BROADCAST);
4967 ed->data[1] = *buflen;
4975 case VPPCOM_ATTR_GET_V6ONLY:
4976 if (buffer && buflen && (*buflen >= sizeof (int)))
4979 *(int *) buffer = VCL_SESS_ATTR_TEST (session->attr,
4980 VCL_SESS_ATTR_V6ONLY);
4981 *buflen = sizeof (int);
4983 if (VPPCOM_DEBUG > 2)
4984 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_V6ONLY: %d, "
4985 "buflen %d, #VPP-TBD#", getpid (), *(int *) buffer,
4987 if (VPPCOM_DEBUG > 0)
4990 ELOG_TYPE_DECLARE (e) =
4992 .format = "VPPCOM_ATTR_GET_V6ONLY: %d buflen=%d",
4993 .format_args = "i4i4",
5000 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
5001 ed->data[0] = *(int *) buffer;
5002 ed->data[1] = *buflen;
5010 case VPPCOM_ATTR_SET_V6ONLY:
5011 if (buffer && buflen && (*buflen == sizeof (int)))
5014 if (*(int *) buffer)
5015 VCL_SESS_ATTR_SET (session->attr, VCL_SESS_ATTR_V6ONLY);
5017 VCL_SESS_ATTR_CLR (session->attr, VCL_SESS_ATTR_V6ONLY);
5019 if (VPPCOM_DEBUG > 2)
5020 clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_V6ONLY: %d, "
5021 "buflen %d, #VPP-TBD#", getpid (),
5022 VCL_SESS_ATTR_TEST (session->attr,
5023 VCL_SESS_ATTR_V6ONLY), *buflen);
5024 if (VPPCOM_DEBUG > 0)
5027 ELOG_TYPE_DECLARE (e) =
5029 .format = "VPPCOM_ATTR_SET_V6ONLY: %d buflen=%d",
5030 .format_args = "i4i4",
5037 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
5038 ed->data[0] = VCL_SESS_ATTR_TEST (session->attr,
5039 VCL_SESS_ATTR_V6ONLY);
5040 ed->data[1] = *buflen;
5048 case VPPCOM_ATTR_GET_KEEPALIVE:
5049 if (buffer && buflen && (*buflen >= sizeof (int)))
5052 *(int *) buffer = VCL_SESS_ATTR_TEST (session->attr,
5053 VCL_SESS_ATTR_KEEPALIVE);
5054 *buflen = sizeof (int);
5056 if (VPPCOM_DEBUG > 2)
5057 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_KEEPALIVE: %d, "
5058 "buflen %d, #VPP-TBD#", getpid (), *(int *) buffer,
5060 if (VPPCOM_DEBUG > 0)
5063 ELOG_TYPE_DECLARE (e) =
5065 .format = "VPPCOM_ATTR_GET_KEEPALIVE: %d buflen=%d",
5066 .format_args = "i4i4",
5073 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
5074 ed->data[0] = *(int *) buffer;
5075 ed->data[1] = *buflen;
5083 case VPPCOM_ATTR_SET_KEEPALIVE:
5084 if (buffer && buflen && (*buflen == sizeof (int)))
5087 if (*(int *) buffer)
5088 VCL_SESS_ATTR_SET (session->attr, VCL_SESS_ATTR_KEEPALIVE);
5090 VCL_SESS_ATTR_CLR (session->attr, VCL_SESS_ATTR_KEEPALIVE);
5092 if (VPPCOM_DEBUG > 2)
5093 clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_KEEPALIVE: %d, "
5094 "buflen %d, #VPP-TBD#", getpid (),
5095 VCL_SESS_ATTR_TEST (session->attr,
5096 VCL_SESS_ATTR_KEEPALIVE),
5098 if (VPPCOM_DEBUG > 0)
5101 ELOG_TYPE_DECLARE (e) =
5103 .format = "VPPCOM_ATTR_SET_KEEPALIVE: %d buflen=%d",
5104 .format_args = "i4i4",
5111 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
5112 ed->data[0] = VCL_SESS_ATTR_TEST (session->attr,
5113 VCL_SESS_ATTR_KEEPALIVE);
5114 ed->data[1] = *buflen;
5122 case VPPCOM_ATTR_GET_TCP_NODELAY:
5123 if (buffer && buflen && (*buflen >= sizeof (int)))
5126 *(int *) buffer = VCL_SESS_ATTR_TEST (session->attr,
5127 VCL_SESS_ATTR_TCP_NODELAY);
5128 *buflen = sizeof (int);
5130 if (VPPCOM_DEBUG > 2)
5131 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_TCP_NODELAY: %d, "
5132 "buflen %d, #VPP-TBD#", getpid (), *(int *) buffer,
5134 if (VPPCOM_DEBUG > 0)
5137 ELOG_TYPE_DECLARE (e) =
5139 .format = "VPPCOM_ATTR_GET_TCP_NODELAY: %d buflen=%d",
5140 .format_args = "i4i4",
5147 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
5148 ed->data[0] = *(int *) buffer;
5149 ed->data[1] = *buflen;
5157 case VPPCOM_ATTR_SET_TCP_NODELAY:
5158 if (buffer && buflen && (*buflen == sizeof (int)))
5161 if (*(int *) buffer)
5162 VCL_SESS_ATTR_SET (session->attr, VCL_SESS_ATTR_TCP_NODELAY);
5164 VCL_SESS_ATTR_CLR (session->attr, VCL_SESS_ATTR_TCP_NODELAY);
5166 if (VPPCOM_DEBUG > 2)
5167 clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_TCP_NODELAY: %d, "
5168 "buflen %d, #VPP-TBD#", getpid (),
5169 VCL_SESS_ATTR_TEST (session->attr,
5170 VCL_SESS_ATTR_TCP_NODELAY),
5172 if (VPPCOM_DEBUG > 0)
5175 ELOG_TYPE_DECLARE (e) =
5177 .format = "VPPCOM_ATTR_SET_TCP_NODELAY: %d buflen=%d",
5178 .format_args = "i4i4",
5185 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
5186 ed->data[0] = VCL_SESS_ATTR_TEST (session->attr,
5187 VCL_SESS_ATTR_TCP_NODELAY);
5188 ed->data[1] = *buflen;
5196 case VPPCOM_ATTR_GET_TCP_KEEPIDLE:
5197 if (buffer && buflen && (*buflen >= sizeof (int)))
5200 *(int *) buffer = VCL_SESS_ATTR_TEST (session->attr,
5201 VCL_SESS_ATTR_TCP_KEEPIDLE);
5202 *buflen = sizeof (int);
5204 if (VPPCOM_DEBUG > 2)
5205 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_TCP_KEEPIDLE: %d, "
5206 "buflen %d, #VPP-TBD#", getpid (), *(int *) buffer,
5208 if (VPPCOM_DEBUG > 0)
5211 ELOG_TYPE_DECLARE (e) =
5213 .format = "VPPCOM_ATTR_GET_TCP_KEEPIDLE: %d buflen=%d",
5214 .format_args = "i4i4",
5221 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
5222 ed->data[0] = *(int *) buffer;
5223 ed->data[1] = *buflen;
5231 case VPPCOM_ATTR_SET_TCP_KEEPIDLE:
5232 if (buffer && buflen && (*buflen == sizeof (int)))
5235 if (*(int *) buffer)
5236 VCL_SESS_ATTR_SET (session->attr, VCL_SESS_ATTR_TCP_KEEPIDLE);
5238 VCL_SESS_ATTR_CLR (session->attr, VCL_SESS_ATTR_TCP_KEEPIDLE);
5240 if (VPPCOM_DEBUG > 2)
5241 clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_TCP_KEEPIDLE: %d, "
5242 "buflen %d, #VPP-TBD#", getpid (),
5243 VCL_SESS_ATTR_TEST (session->attr,
5244 VCL_SESS_ATTR_TCP_KEEPIDLE),
5246 if (VPPCOM_DEBUG > 0)
5249 ELOG_TYPE_DECLARE (e) =
5251 .format = "VPPCOM_ATTR_SET_TCP_KEEPIDLE: %d buflen=%d",
5252 .format_args = "i4i4",
5259 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
5260 ed->data[0] = VCL_SESS_ATTR_TEST (session->attr,
5261 VCL_SESS_ATTR_TCP_KEEPIDLE);
5262 ed->data[1] = *buflen;
5270 case VPPCOM_ATTR_GET_TCP_KEEPINTVL:
5271 if (buffer && buflen && (*buflen >= sizeof (int)))
5274 *(int *) buffer = VCL_SESS_ATTR_TEST (session->attr,
5275 VCL_SESS_ATTR_TCP_KEEPINTVL);
5276 *buflen = sizeof (int);
5278 if (VPPCOM_DEBUG > 2)
5279 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_TCP_KEEPINTVL: %d, "
5280 "buflen %d, #VPP-TBD#", getpid (), *(int *) buffer,
5282 if (VPPCOM_DEBUG > 0)
5285 ELOG_TYPE_DECLARE (e) =
5287 .format = "VPPCOM_ATTR_GET_TCP_KEEPIDLE: %d buflen=%d",
5288 .format_args = "i4i4",
5295 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
5296 ed->data[0] = *(int *) buffer;
5297 ed->data[1] = *buflen;
5305 case VPPCOM_ATTR_SET_TCP_KEEPINTVL:
5306 if (buffer && buflen && (*buflen == sizeof (int)))
5309 if (*(int *) buffer)
5310 VCL_SESS_ATTR_SET (session->attr, VCL_SESS_ATTR_TCP_KEEPINTVL);
5312 VCL_SESS_ATTR_CLR (session->attr, VCL_SESS_ATTR_TCP_KEEPINTVL);
5314 if (VPPCOM_DEBUG > 2)
5315 clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_TCP_KEEPINTVL: %d, "
5316 "buflen %d, #VPP-TBD#", getpid (),
5317 VCL_SESS_ATTR_TEST (session->attr,
5318 VCL_SESS_ATTR_TCP_KEEPINTVL),
5320 if (VPPCOM_DEBUG > 0)
5323 ELOG_TYPE_DECLARE (e) =
5325 .format = "VPPCOM_ATTR_SET_TCP_KEEPINTVL: %d buflen=%d",
5326 .format_args = "i4i4",
5333 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
5334 ed->data[0] = VCL_SESS_ATTR_TEST (session->attr,
5335 VCL_SESS_ATTR_TCP_KEEPINTVL);
5336 ed->data[1] = *buflen;
5344 case VPPCOM_ATTR_GET_TCP_USER_MSS:
5345 if (buffer && buflen && (*buflen >= sizeof (u32)))
5348 *(u32 *) buffer = session->user_mss;
5349 *buflen = sizeof (int);
5351 if (VPPCOM_DEBUG > 2)
5352 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_TCP_USER_MSS: %d, "
5353 "buflen %d, #VPP-TBD#", getpid (), *(int *) buffer,
5355 if (VPPCOM_DEBUG > 0)
5358 ELOG_TYPE_DECLARE (e) =
5360 .format = "VPPCOM_ATTR_GET_TCP_USER_MSS: %d buflen=%d",
5361 .format_args = "i4i4",
5368 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
5369 ed->data[0] = *(int *) buffer;
5370 ed->data[1] = *buflen;
5378 case VPPCOM_ATTR_SET_TCP_USER_MSS:
5379 if (buffer && buflen && (*buflen == sizeof (u32)))
5382 session->user_mss = *(u32 *) buffer;
5384 if (VPPCOM_DEBUG > 2)
5385 clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_TCP_USER_MSS: %u, "
5386 "buflen %d, #VPP-TBD#", getpid (),
5387 session->user_mss, *buflen);
5388 if (VPPCOM_DEBUG > 0)
5391 ELOG_TYPE_DECLARE (e) =
5393 .format = "VPPCOM_ATTR_SET_TCP_USER_MSS: %d buflen=%d",
5394 .format_args = "i4i4",
5401 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
5402 ed->data[0] = session->user_mss;
5403 ed->data[1] = *buflen;
5417 clib_spinlock_unlock (&vcm->sessions_lockp);
5422 vppcom_session_recvfrom (uint32_t session_index, void *buffer,
5423 uint32_t buflen, int flags, vppcom_endpt_t * ep)
5426 session_t *session = 0;
5430 clib_spinlock_lock (&vcm->sessions_lockp);
5431 rv = vppcom_session_at_index (session_index, &session);
5432 if (PREDICT_FALSE (rv))
5434 clib_spinlock_unlock (&vcm->sessions_lockp);
5435 if (VPPCOM_DEBUG > 0)
5436 clib_warning ("VCL<%d>: invalid session, "
5437 "sid (%u) has been closed!",
5438 getpid (), session_index);
5439 if (VPPCOM_DEBUG > 0)
5442 ELOG_TYPE_DECLARE (e) =
5444 .format = "invalid session: %d closed",
5445 .format_args = "i4",
5452 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, vcm->elog_track);
5453 ed->data = session_index;
5457 clib_spinlock_unlock (&vcm->sessions_lockp);
5460 ep->is_ip4 = session->peer_addr.is_ip4;
5461 ep->port = session->peer_port;
5462 if (session->peer_addr.is_ip4)
5463 clib_memcpy (ep->ip, &session->peer_addr.ip46.ip4,
5464 sizeof (ip4_address_t));
5466 clib_memcpy (ep->ip, &session->peer_addr.ip46.ip6,
5467 sizeof (ip6_address_t));
5468 clib_spinlock_unlock (&vcm->sessions_lockp);
5472 rv = vppcom_session_read (session_index, buffer, buflen);
5473 else if (flags & MSG_PEEK)
5474 rv = vppcom_session_peek (session_index, buffer, buflen);
5477 clib_warning ("VCL<%d>: Unsupport flags for recvfrom %d",
5479 rv = VPPCOM_EAFNOSUPPORT;
5487 vppcom_session_sendto (uint32_t session_index, void *buffer,
5488 uint32_t buflen, int flags, vppcom_endpt_t * ep)
5491 return VPPCOM_EINVAL;
5496 return VPPCOM_EINVAL;
5501 // TBD check the flags and do the right thing
5502 if (VPPCOM_DEBUG > 2)
5503 clib_warning ("VCL<%d>: handling flags 0x%u (%d) "
5504 "not implemented yet.", getpid (), flags, flags);
5507 return (vppcom_session_write (session_index, buffer, buflen));
5511 vppcom_poll (vcl_poll_t * vp, uint32_t n_sids, double wait_for_time)
5513 f64 timeout = clib_time_now (&vcm->clib_time) + wait_for_time;
5514 u32 i, keep_trying = 1;
5517 if (VPPCOM_DEBUG > 3)
5518 clib_warning ("VCL<%d>: vp %p, nsids %u, wait_for_time %f",
5519 getpid (), vp, n_sids, wait_for_time);
5522 return VPPCOM_EFAULT;
5528 for (i = 0; i < n_sids; i++)
5530 ASSERT (vp[i].revents);
5532 VCL_LOCK_AND_GET_SESSION (vp[i].sid, &session);
5533 clib_spinlock_unlock (&vcm->sessions_lockp);
5538 if (POLLIN & vp[i].events)
5540 VCL_LOCK_AND_GET_SESSION (vp[i].sid, &session);
5541 rv = vppcom_session_read_ready (session, vp[i].sid);
5542 clib_spinlock_unlock (&vcm->sessions_lockp);
5545 *vp[i].revents |= POLLIN;
5552 case VPPCOM_ECONNRESET:
5553 *vp[i].revents = POLLHUP;
5557 *vp[i].revents = POLLERR;
5564 if (POLLOUT & vp[i].events)
5566 VCL_LOCK_AND_GET_SESSION (vp[i].sid, &session);
5567 rv = vppcom_session_write_ready (session, vp[i].sid);
5568 clib_spinlock_unlock (&vcm->sessions_lockp);
5571 *vp[i].revents |= POLLOUT;
5578 case VPPCOM_ECONNRESET:
5579 *vp[i].revents = POLLHUP;
5583 *vp[i].revents = POLLERR;
5590 if (0) // Note "done:" label used by VCL_LOCK_AND_GET_SESSION()
5593 *vp[i].revents = POLLNVAL;
5597 if (wait_for_time != -1)
5598 keep_trying = (clib_time_now (&vcm->clib_time) <= timeout) ? 1 : 0;
5600 while ((num_ev == 0) && keep_trying);
5602 if (VPPCOM_DEBUG > 3)
5604 clib_warning ("VCL<%d>: returning %d", getpid (), num_ev);
5605 for (i = 0; i < n_sids; i++)
5607 clib_warning ("VCL<%d>: vp[%d].sid %d (0x%x), .events 0x%x, "
5608 ".revents 0x%x", getpid (), i, vp[i].sid, vp[i].sid,
5609 vp[i].events, *vp[i].revents);
5616 * fd.io coding-style-patch-verification: ON
5619 * eval: (c-set-style "gnu")