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 VCL_LOCK_AND_GET_SESSION (listen_session_index, &listen_session);
2687 if (listen_session->is_vep)
2689 clib_spinlock_unlock (&vcm->sessions_lockp);
2690 clib_warning ("VCL<%d>: ERROR: sid %u: cannot listen on an "
2691 "epoll session!", getpid (), listen_session_index);
2696 listen_vpp_handle = listen_session->vpp_handle;
2697 if (listen_session->state & STATE_LISTEN)
2699 clib_spinlock_unlock (&vcm->sessions_lockp);
2700 if (VPPCOM_DEBUG > 0)
2701 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
2702 "already in listen state!",
2703 getpid (), listen_vpp_handle, listen_session_index);
2708 if (VPPCOM_DEBUG > 0)
2709 clib_warning ("VCL<%d>: vpp handle 0x%llx, "
2710 "sid %u: sending bind request...",
2711 getpid (), listen_vpp_handle, listen_session_index);
2713 vppcom_send_bind_sock (listen_session, listen_session_index);
2714 clib_spinlock_unlock (&vcm->sessions_lockp);
2716 vppcom_wait_for_session_state_change (listen_session_index, STATE_LISTEN,
2717 vcm->cfg.session_timeout);
2719 VCL_LOCK_AND_GET_SESSION (listen_session_index, &listen_session);
2720 if (PREDICT_FALSE (retval))
2722 if (VPPCOM_DEBUG > 0)
2723 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: bind failed! "
2724 "returning %d (%s)", getpid (),
2725 listen_session->vpp_handle, listen_session_index,
2726 retval, vppcom_retval_str (retval));
2727 clib_spinlock_unlock (&vcm->sessions_lockp);
2732 clib_fifo_validate (vcm->client_session_index_fifo, q_len);
2733 clib_spinlock_unlock (&vcm->sessions_lockp);
2739 vppcom_session_accept (uint32_t listen_session_index, vppcom_endpt_t * ep,
2742 session_t *listen_session = 0;
2743 session_t *client_session = 0;
2744 u32 client_session_index = ~0;
2747 u64 listen_vpp_handle;
2749 VCL_LOCK_AND_GET_SESSION (listen_session_index, &listen_session);
2751 if (listen_session->is_vep)
2753 clib_spinlock_unlock (&vcm->sessions_lockp);
2754 clib_warning ("VCL<%d>: ERROR: sid %u: cannot accept on an "
2755 "epoll session!", getpid (), listen_session_index);
2760 listen_vpp_handle = listen_session->vpp_handle;
2761 if (listen_session->state != STATE_LISTEN)
2763 clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: "
2764 "not in listen state! state 0x%x (%s)", getpid (),
2765 listen_vpp_handle, listen_session_index,
2766 listen_session->state,
2767 vppcom_session_state_str (listen_session->state));
2768 clib_spinlock_unlock (&vcm->sessions_lockp);
2772 wait_for = (VCL_SESS_ATTR_TEST (listen_session->attr,
2773 VCL_SESS_ATTR_NONBLOCK))
2774 ? 0 : vcm->cfg.accept_timeout;
2776 clib_spinlock_unlock (&vcm->sessions_lockp);
2780 rv = vppcom_wait_for_client_session_index (wait_for);
2783 if ((VPPCOM_DEBUG > 0))
2784 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
2785 "accept failed! returning %d (%s)", getpid (),
2786 listen_vpp_handle, listen_session_index,
2787 rv, vppcom_retval_str (rv));
2795 clib_spinlock_lock (&vcm->sessions_lockp);
2796 clib_fifo_sub1 (vcm->client_session_index_fifo, client_session_index);
2797 rv = vppcom_session_at_index (client_session_index, &client_session);
2798 if (PREDICT_FALSE (rv))
2800 rv = VPPCOM_ECONNABORTED;
2801 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: client sid %u "
2802 "lookup failed! returning %d (%s)", getpid (),
2803 listen_vpp_handle, listen_session_index,
2804 client_session_index, rv, vppcom_retval_str (rv));
2808 if (flags & O_NONBLOCK)
2809 VCL_SESS_ATTR_SET (client_session->attr, VCL_SESS_ATTR_NONBLOCK);
2811 VCL_SESS_ATTR_CLR (client_session->attr, VCL_SESS_ATTR_NONBLOCK);
2813 if (VPPCOM_DEBUG > 0)
2814 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: Got a client request! "
2815 "vpp handle 0x%llx, sid %u, flags %d, is_nonblocking %u",
2816 getpid (), listen_vpp_handle, listen_session_index,
2817 client_session->vpp_handle, client_session_index,
2818 flags, VCL_SESS_ATTR_TEST (client_session->attr,
2819 VCL_SESS_ATTR_NONBLOCK));
2823 ep->is_ip4 = client_session->peer_addr.is_ip4;
2824 ep->port = client_session->peer_port;
2825 if (client_session->peer_addr.is_ip4)
2826 clib_memcpy (ep->ip, &client_session->peer_addr.ip46.ip4,
2827 sizeof (ip4_address_t));
2829 clib_memcpy (ep->ip, &client_session->peer_addr.ip46.ip6,
2830 sizeof (ip6_address_t));
2833 vppcom_send_accept_session_reply (client_session->vpp_handle,
2834 client_session->client_context,
2835 0 /* retval OK */ );
2837 if (VPPCOM_DEBUG > 0)
2838 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: accepted vpp handle "
2839 "0x%llx, sid %u connection to local %s address "
2840 "%U port %u", getpid (), listen_vpp_handle,
2841 listen_session_index, client_session->vpp_handle,
2842 client_session_index,
2843 client_session->lcl_addr.is_ip4 ? "IPv4" : "IPv6",
2844 format_ip46_address, &client_session->lcl_addr.ip46,
2845 client_session->lcl_addr.is_ip4,
2846 clib_net_to_host_u16 (client_session->lcl_port));
2848 if (VPPCOM_DEBUG > 0)
2850 client_session->elog_track.name =
2851 (char *) format (0, "C:%d:S:%d%c", vcm->my_client_index,
2852 client_session_index, 0);
2853 elog_track_register (&vcm->elog_main, &client_session->elog_track);
2855 // Two elog entries due to 20-byte per entry constraint.
2857 ELOG_TYPE_DECLARE (e) =
2859 .format = "accept: listen_handle:%x from_handle:%x",
2860 .format_args = "i8i8",
2868 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, client_session->elog_track);
2869 ed->handle[0] = listen_vpp_handle;
2870 ed->handle[1] = client_session->vpp_handle;
2873 if (client_session->lcl_addr.is_ip4)
2876 ELOG_TYPE_DECLARE (e2) =
2878 .format = "accept: S:%d %d.%d.%d.%d:%d ",
2879 .format_args = "i4i1i1i1i1i2",
2882 CLIB_PACKED (struct {
2889 ELOG_TRACK_DATA (&vcm->elog_main, e2, client_session->elog_track);
2890 ed2->session = client_session_index;
2891 ed2->addr[0] = client_session->lcl_addr.ip46.ip4.as_u8[0];
2892 ed2->addr[1] = client_session->lcl_addr.ip46.ip4.as_u8[1];
2893 ed2->addr[2] = client_session->lcl_addr.ip46.ip4.as_u8[2];
2894 ed2->addr[3] = client_session->lcl_addr.ip46.ip4.as_u8[3];
2895 ed2->port = clib_net_to_host_u16 (client_session->lcl_port);
2900 clib_spinlock_unlock (&vcm->sessions_lockp);
2901 rv = (int) client_session_index;
2907 vppcom_session_connect (uint32_t session_index, vppcom_endpt_t * server_ep)
2909 session_t *session = 0;
2911 int rv, retval = VPPCOM_OK;
2913 VCL_LOCK_AND_GET_SESSION (session_index, &session);
2915 if (PREDICT_FALSE (session->is_vep))
2917 clib_spinlock_unlock (&vcm->sessions_lockp);
2918 clib_warning ("VCL<%d>: ERROR: sid %u: cannot "
2919 "connect on an epoll session!", getpid (), session_index);
2924 if (PREDICT_FALSE (session->state & CLIENT_STATE_OPEN))
2926 if (VPPCOM_DEBUG > 0)
2927 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: session already "
2928 "connected to %s %U port %d proto %s, state 0x%x (%s)",
2929 getpid (), session->vpp_handle, session_index,
2930 session->peer_addr.is_ip4 ? "IPv4" : "IPv6",
2931 format_ip46_address,
2932 &session->peer_addr.ip46, session->peer_addr.is_ip4,
2933 clib_net_to_host_u16 (session->peer_port),
2934 session->proto ? "UDP" : "TCP", session->state,
2935 vppcom_session_state_str (session->state));
2937 clib_spinlock_unlock (&vcm->sessions_lockp);
2941 session->peer_addr.is_ip4 = server_ep->is_ip4;
2942 session->peer_addr.ip46 = to_ip46 (!server_ep->is_ip4, server_ep->ip);
2943 session->peer_port = server_ep->port;
2945 if (VPPCOM_DEBUG > 0)
2946 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: connecting to server "
2947 "%s %U port %d proto %s",
2948 getpid (), session->vpp_handle, session_index,
2949 session->peer_addr.is_ip4 ? "IPv4" : "IPv6",
2950 format_ip46_address,
2951 &session->peer_addr.ip46, session->peer_addr.is_ip4,
2952 clib_net_to_host_u16 (session->peer_port),
2953 session->proto ? "UDP" : "TCP");
2955 vppcom_send_connect_sock (session, session_index);
2956 clib_spinlock_unlock (&vcm->sessions_lockp);
2959 vppcom_wait_for_session_state_change (session_index, STATE_CONNECT,
2960 vcm->cfg.session_timeout);
2962 VCL_LOCK_AND_GET_SESSION (session_index, &session);
2963 vpp_handle = session->vpp_handle;
2964 clib_spinlock_unlock (&vcm->sessions_lockp);
2967 if (PREDICT_FALSE (retval))
2970 if (VPPCOM_DEBUG > 0)
2974 ("VCL<%d>: vpp handle 0x%llx, sid %u: connect failed! "
2975 "returning %d (%s)", getpid (), vpp_handle,
2976 session_index, rv, vppcom_retval_str (rv));
2978 clib_warning ("VCL<%d>: no session for sid %u: connect failed! "
2979 "returning %d (%s)", getpid (),
2980 session_index, rv, vppcom_retval_str (rv));
2983 else if (VPPCOM_DEBUG > 0)
2984 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: connected!",
2985 getpid (), vpp_handle, session_index);
2991 vppcom_session_read_internal (uint32_t session_index, void *buf, int n,
2994 session_t *session = 0;
2995 svm_fifo_t *rx_fifo;
3002 session_state_t state;
3006 VCL_LOCK_AND_GET_SESSION (session_index, &session);
3008 is_nonblocking = VCL_SESS_ATTR_TEST (session->attr, VCL_SESS_ATTR_NONBLOCK);
3009 rx_fifo = session->rx_fifo;
3010 state = session->state;
3011 vpp_handle = session->vpp_handle;
3013 if (PREDICT_FALSE (session->is_vep))
3015 clib_spinlock_unlock (&vcm->sessions_lockp);
3016 clib_warning ("VCL<%d>: ERROR: sid %u: cannot "
3017 "read from an epoll session!", getpid (), session_index);
3022 if (PREDICT_FALSE (!(state & (SERVER_STATE_OPEN | CLIENT_STATE_OPEN))))
3024 clib_spinlock_unlock (&vcm->sessions_lockp);
3025 rv = ((state & STATE_DISCONNECT) ? VPPCOM_ECONNRESET : VPPCOM_ENOTCONN);
3027 if (VPPCOM_DEBUG > 0)
3028 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: %s session is "
3029 "not open! state 0x%x (%s), returning %d (%s)",
3030 getpid (), vpp_handle, session_index, state,
3031 vppcom_session_state_str (state),
3032 rv, vppcom_retval_str (rv));
3036 clib_spinlock_unlock (&vcm->sessions_lockp);
3041 n_read = svm_fifo_peek (rx_fifo, 0, n, buf);
3043 n_read = svm_fifo_dequeue_nowait (rx_fifo, n, buf);
3045 while (!is_nonblocking && (n_read <= 0));
3049 VCL_LOCK_AND_GET_SESSION (session_index, &session);
3051 poll_et = (((EPOLLET | EPOLLIN) & session->vep.ev.events) ==
3052 (EPOLLET | EPOLLIN));
3054 session->vep.et_mask |= EPOLLIN;
3056 if (state & STATE_CLOSE_ON_EMPTY)
3058 rv = VPPCOM_ECONNRESET;
3060 if (VPPCOM_DEBUG > 1)
3062 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: Empty fifo "
3063 "with session state 0x%x (%s)!"
3064 " Setting state to 0x%x (%s), returning %d (%s)",
3065 getpid (), session->vpp_handle, session_index,
3066 state, vppcom_session_state_str (state),
3068 vppcom_session_state_str (STATE_DISCONNECT), rv,
3069 vppcom_retval_str (rv));
3072 session->state = STATE_DISCONNECT;
3077 clib_spinlock_unlock (&vcm->sessions_lockp);
3082 if (VPPCOM_DEBUG > 2)
3085 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: read %d bytes "
3086 "from (%p)", getpid (), vpp_handle,
3087 session_index, n_read, rx_fifo);
3089 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: nothing read! "
3090 "returning %d (%s)", getpid (), vpp_handle,
3091 session_index, rv, vppcom_retval_str (rv));
3098 vppcom_session_read (uint32_t session_index, void *buf, size_t n)
3100 return (vppcom_session_read_internal (session_index, buf, n, 0));
3104 vppcom_session_peek (uint32_t session_index, void *buf, int n)
3106 return (vppcom_session_read_internal (session_index, buf, n, 1));
3110 vppcom_session_read_ready (session_t * session, u32 session_index)
3115 session_state_t state = session->state;
3116 u64 vpp_handle = session->vpp_handle;
3118 /* Assumes caller has acquired spinlock: vcm->sessions_lockp */
3119 if (PREDICT_FALSE (session->is_vep))
3121 clib_warning ("VCL<%d>: ERROR: sid %u: cannot read from an "
3122 "epoll session!", getpid (), session_index);
3127 if (session->state & STATE_LISTEN)
3128 ready = clib_fifo_elts (vcm->client_session_index_fifo);
3131 if (!(state & (SERVER_STATE_OPEN | CLIENT_STATE_OPEN | STATE_LISTEN)))
3133 rv = ((state & STATE_DISCONNECT) ? VPPCOM_ECONNRESET :
3136 if (VPPCOM_DEBUG > 1)
3137 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: session is "
3138 "not open! state 0x%x (%s), returning %d (%s)",
3139 getpid (), vpp_handle, session_index,
3140 state, vppcom_session_state_str (state),
3141 rv, vppcom_retval_str (rv));
3145 ready = svm_fifo_max_dequeue (session->rx_fifo);
3151 ((EPOLLET | EPOLLIN) & session->vep.ev.events) == (EPOLLET | EPOLLIN);
3153 session->vep.et_mask |= EPOLLIN;
3155 if (state & STATE_CLOSE_ON_EMPTY)
3157 rv = VPPCOM_ECONNRESET;
3159 if (VPPCOM_DEBUG > 1)
3161 clib_warning ("VCL<%d>: vpp handle 0x%llx, "
3162 "sid %u: Empty fifo with"
3163 " session state 0x%x (%s)! Setting state to "
3164 "0x%x (%s), returning %d (%s)",
3165 getpid (), session_index, vpp_handle,
3166 state, vppcom_session_state_str (state),
3168 vppcom_session_state_str (STATE_DISCONNECT), rv,
3169 vppcom_retval_str (rv));
3171 session->state = STATE_DISCONNECT;
3177 if (vcm->app_event_queue->cursize &&
3178 !pthread_mutex_trylock (&vcm->app_event_queue->mutex))
3180 u32 i, n_to_dequeue = vcm->app_event_queue->cursize;
3181 session_fifo_event_t e;
3183 for (i = 0; i < n_to_dequeue; i++)
3184 svm_queue_sub_raw (vcm->app_event_queue, (u8 *) & e);
3186 pthread_mutex_unlock (&vcm->app_event_queue->mutex);
3193 vppcom_session_write (uint32_t session_index, void *buf, size_t n)
3195 session_t *session = 0;
3196 svm_fifo_t *tx_fifo = 0;
3198 session_fifo_event_t evt;
3199 session_state_t state;
3200 int rv, n_write, is_nonblocking;
3206 VCL_LOCK_AND_GET_SESSION (session_index, &session);
3208 tx_fifo = session->tx_fifo;
3209 is_nonblocking = VCL_SESS_ATTR_TEST (session->attr, VCL_SESS_ATTR_NONBLOCK);
3210 vpp_handle = session->vpp_handle;
3211 state = session->state;
3213 if (PREDICT_FALSE (session->is_vep))
3215 clib_spinlock_unlock (&vcm->sessions_lockp);
3216 clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: "
3217 "cannot write to an epoll session!",
3218 getpid (), vpp_handle, session_index);
3224 if (!(session->state & (SERVER_STATE_OPEN | CLIENT_STATE_OPEN)))
3227 ((session->state & STATE_DISCONNECT) ? VPPCOM_ECONNRESET :
3230 clib_spinlock_unlock (&vcm->sessions_lockp);
3231 if (VPPCOM_DEBUG > 1)
3232 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
3233 "session is not open! state 0x%x (%s)",
3234 getpid (), vpp_handle, session_index,
3235 state, vppcom_session_state_str (state));
3239 clib_spinlock_unlock (&vcm->sessions_lockp);
3243 n_write = svm_fifo_enqueue_nowait (tx_fifo, n, (void *) buf);
3245 while (!is_nonblocking && (n_write <= 0));
3247 /* If event wasn't set, add one */
3248 if ((n_write > 0) && svm_fifo_set_event (tx_fifo))
3250 /* Fabricate TX event, send to vpp */
3252 evt.event_type = FIFO_EVENT_APP_TX;
3254 VCL_LOCK_AND_GET_SESSION (session_index, &session);
3255 q = session->vpp_event_queue;
3257 svm_queue_add (q, (u8 *) & evt, 0 /* do wait for mutex */ );
3258 clib_spinlock_unlock (&vcm->sessions_lockp);
3259 if (VPPCOM_DEBUG > 1)
3260 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
3261 "added FIFO_EVENT_APP_TX to "
3262 "vpp_event_q %p, n_write %d", getpid (),
3263 vpp_handle, session_index, q, n_write);
3268 VCL_LOCK_AND_GET_SESSION (session_index, &session);
3270 poll_et = (((EPOLLET | EPOLLOUT) & session->vep.ev.events) ==
3271 (EPOLLET | EPOLLOUT));
3273 session->vep.et_mask |= EPOLLOUT;
3275 if (session->state & STATE_CLOSE_ON_EMPTY)
3277 rv = VPPCOM_ECONNRESET;
3279 if (VPPCOM_DEBUG > 1)
3281 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
3282 "Empty fifo with session state 0x%x (%s)!"
3283 " Setting state to 0x%x (%s), returning %d (%s)",
3284 getpid (), session->vpp_handle, session_index,
3286 vppcom_session_state_str (session->state),
3288 vppcom_session_state_str (STATE_DISCONNECT), rv,
3289 vppcom_retval_str (rv));
3292 session->state = STATE_DISCONNECT;
3297 clib_spinlock_unlock (&vcm->sessions_lockp);
3302 if (VPPCOM_DEBUG > 2)
3305 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
3306 "FIFO-FULL (%p)", getpid (), vpp_handle,
3307 session_index, tx_fifo);
3309 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
3310 "wrote %d bytes tx-fifo: (%p)", getpid (),
3311 vpp_handle, session_index, n_write, tx_fifo);
3318 vppcom_session_write_ready (session_t * session, u32 session_index)
3326 /* Assumes caller has acquired spinlock: vcm->sessions_lockp */
3327 if (PREDICT_FALSE (session->is_vep))
3329 clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: "
3330 "cannot write to an epoll session!",
3331 getpid (), session->vpp_handle, session_index);
3336 if (PREDICT_FALSE (session->state & STATE_LISTEN))
3338 clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: "
3339 "cannot write to a listen session!",
3340 getpid (), session->vpp_handle, session_index);
3345 if (!(session->state & (SERVER_STATE_OPEN | CLIENT_STATE_OPEN)))
3347 session_state_t state = session->state;
3349 rv = ((state & STATE_DISCONNECT) ? VPPCOM_ECONNRESET : VPPCOM_ENOTCONN);
3351 clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: "
3352 "session is not open! state 0x%x (%s), "
3353 "returning %d (%s)", getpid (), session->vpp_handle,
3355 state, vppcom_session_state_str (state),
3356 rv, vppcom_retval_str (rv));
3360 ready = svm_fifo_max_enqueue (session->tx_fifo);
3362 if (VPPCOM_DEBUG > 3)
3363 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
3364 "peek %s (%p), ready = %d", getpid (),
3365 session->vpp_handle, session_index,
3366 session->tx_fifo, ready);
3370 poll_et = (((EPOLLET | EPOLLOUT) & session->vep.ev.events) ==
3371 (EPOLLET | EPOLLOUT));
3373 session->vep.et_mask |= EPOLLOUT;
3375 if (session->state & STATE_CLOSE_ON_EMPTY)
3377 rv = VPPCOM_ECONNRESET;
3379 if (VPPCOM_DEBUG > 1)
3381 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
3382 "Empty fifo with session "
3383 "state 0x%x (%s)! Setting state to 0x%x (%s), "
3384 "returning %d (%s)", getpid (),
3385 session->vpp_handle, session_index,
3387 vppcom_session_state_str (session->state),
3389 vppcom_session_state_str (STATE_DISCONNECT), rv,
3390 vppcom_retval_str (rv));
3392 session->state = STATE_DISCONNECT;
3402 vppcom_select (unsigned long n_bits, unsigned long *read_map,
3403 unsigned long *write_map, unsigned long *except_map,
3404 double time_to_wait)
3407 session_t *session = 0;
3408 int rv, bits_set = 0;
3409 f64 timeout = clib_time_now (&vcm->clib_time) + time_to_wait;
3410 u32 minbits = clib_max (n_bits, BITS (uword));
3412 ASSERT (sizeof (clib_bitmap_t) == sizeof (long int));
3414 if (n_bits && read_map)
3416 clib_bitmap_validate (vcm->rd_bitmap, minbits);
3417 clib_memcpy (vcm->rd_bitmap, read_map,
3418 vec_len (vcm->rd_bitmap) * sizeof (clib_bitmap_t));
3419 memset (read_map, 0, vec_len (vcm->rd_bitmap) * sizeof (clib_bitmap_t));
3421 if (n_bits && write_map)
3423 clib_bitmap_validate (vcm->wr_bitmap, minbits);
3424 clib_memcpy (vcm->wr_bitmap, write_map,
3425 vec_len (vcm->wr_bitmap) * sizeof (clib_bitmap_t));
3426 memset (write_map, 0,
3427 vec_len (vcm->wr_bitmap) * sizeof (clib_bitmap_t));
3429 if (n_bits && except_map)
3431 clib_bitmap_validate (vcm->ex_bitmap, minbits);
3432 clib_memcpy (vcm->ex_bitmap, except_map,
3433 vec_len (vcm->ex_bitmap) * sizeof (clib_bitmap_t));
3434 memset (except_map, 0,
3435 vec_len (vcm->ex_bitmap) * sizeof (clib_bitmap_t));
3445 clib_bitmap_foreach (session_index, vcm->rd_bitmap,
3447 clib_spinlock_lock (&vcm->sessions_lockp);
3448 rv = vppcom_session_at_index (session_index, &session);
3451 clib_spinlock_unlock (&vcm->sessions_lockp);
3452 if (VPPCOM_DEBUG > 1)
3453 clib_warning ("VCL<%d>: session %d specified in "
3454 "read_map is closed.", getpid (),
3456 bits_set = VPPCOM_EBADFD;
3460 rv = vppcom_session_read_ready (session, session_index);
3461 clib_spinlock_unlock (&vcm->sessions_lockp);
3462 if (except_map && vcm->ex_bitmap &&
3463 clib_bitmap_get (vcm->ex_bitmap, session_index) &&
3466 clib_bitmap_set_no_check (except_map, session_index, 1);
3471 clib_bitmap_set_no_check (read_map, session_index, 1);
3479 clib_bitmap_foreach (session_index, vcm->wr_bitmap,
3481 clib_spinlock_lock (&vcm->sessions_lockp);
3482 rv = vppcom_session_at_index (session_index, &session);
3485 clib_spinlock_unlock (&vcm->sessions_lockp);
3486 if (VPPCOM_DEBUG > 0)
3487 clib_warning ("VCL<%d>: session %d specified in "
3488 "write_map is closed.", getpid (),
3490 bits_set = VPPCOM_EBADFD;
3494 rv = vppcom_session_write_ready (session, session_index);
3495 clib_spinlock_unlock (&vcm->sessions_lockp);
3496 if (write_map && (rv > 0))
3498 clib_bitmap_set_no_check (write_map, session_index, 1);
3506 clib_bitmap_foreach (session_index, vcm->ex_bitmap,
3508 clib_spinlock_lock (&vcm->sessions_lockp);
3509 rv = vppcom_session_at_index (session_index, &session);
3512 clib_spinlock_unlock (&vcm->sessions_lockp);
3513 if (VPPCOM_DEBUG > 1)
3514 clib_warning ("VCL<%d>: session %d specified in "
3515 "except_map is closed.", getpid (),
3517 bits_set = VPPCOM_EBADFD;
3521 rv = vppcom_session_read_ready (session, session_index);
3522 clib_spinlock_unlock (&vcm->sessions_lockp);
3525 clib_bitmap_set_no_check (except_map, session_index, 1);
3533 while ((time_to_wait == -1) || (clib_time_now (&vcm->clib_time) < timeout));
3540 vep_verify_epoll_chain (u32 vep_idx)
3543 vppcom_epoll_t *vep;
3547 if (VPPCOM_DEBUG <= 1)
3550 /* Assumes caller has acquired spinlock: vcm->sessions_lockp */
3551 rv = vppcom_session_at_index (vep_idx, &session);
3552 if (PREDICT_FALSE (rv))
3554 clib_warning ("VCL<%d>: ERROR: Invalid vep_idx (%u)!",
3555 getpid (), vep_idx);
3558 if (PREDICT_FALSE (!session->is_vep))
3560 clib_warning ("VCL<%d>: ERROR: vep_idx (%u) is not a vep!",
3561 getpid (), vep_idx);
3564 vep = &session->vep;
3565 clib_warning ("VCL<%d>: vep_idx (%u): Dumping epoll chain\n"
3568 " is_vep_session = %u\n"
3569 " next_sid = 0x%x (%u)\n"
3570 " wait_cont_idx = 0x%x (%u)\n"
3571 "}\n", getpid (), vep_idx,
3572 session->is_vep, session->is_vep_session,
3573 vep->next_sid, vep->next_sid,
3574 session->wait_cont_idx, session->wait_cont_idx);
3576 for (sid = vep->next_sid; sid != ~0; sid = vep->next_sid)
3578 rv = vppcom_session_at_index (sid, &session);
3579 if (PREDICT_FALSE (rv))
3581 clib_warning ("VCL<%d>: ERROR: Invalid sid (%u)!", getpid (), sid);
3584 if (PREDICT_FALSE (session->is_vep))
3585 clib_warning ("VCL<%d>: ERROR: sid (%u) is a vep!",
3586 getpid (), vep_idx);
3587 else if (PREDICT_FALSE (!session->is_vep_session))
3589 clib_warning ("VCL<%d>: ERROR: session (%u) "
3590 "is not a vep session!", getpid (), sid);
3593 vep = &session->vep;
3594 if (PREDICT_FALSE (vep->vep_idx != vep_idx))
3595 clib_warning ("VCL<%d>: ERROR: session (%u) vep_idx (%u) != "
3596 "vep_idx (%u)!", getpid (),
3597 sid, session->vep.vep_idx, vep_idx);
3598 if (session->is_vep_session)
3600 clib_warning ("vep_idx[%u]: sid 0x%x (%u)\n"
3602 " next_sid = 0x%x (%u)\n"
3603 " prev_sid = 0x%x (%u)\n"
3604 " vep_idx = 0x%x (%u)\n"
3605 " ev.events = 0x%x\n"
3606 " ev.data.u64 = 0x%llx\n"
3610 vep->next_sid, vep->next_sid,
3611 vep->prev_sid, vep->prev_sid,
3612 vep->vep_idx, vep->vep_idx,
3613 vep->ev.events, vep->ev.data.u64, vep->et_mask);
3618 clib_warning ("VCL<%d>: vep_idx (%u): Dump complete!\n",
3619 getpid (), vep_idx);
3623 vppcom_epoll_create (void)
3625 session_t *vep_session;
3627 elog_track_t vep_elog_track;
3629 clib_spinlock_lock (&vcm->sessions_lockp);
3630 pool_get (vcm->sessions, vep_session);
3631 memset (vep_session, 0, sizeof (*vep_session));
3632 vep_idx = vep_session - vcm->sessions;
3634 vep_session->is_vep = 1;
3635 vep_session->vep.vep_idx = ~0;
3636 vep_session->vep.next_sid = ~0;
3637 vep_session->vep.prev_sid = ~0;
3638 vep_session->wait_cont_idx = ~0;
3639 vep_session->vpp_handle = ~0;
3641 if (VPPCOM_DEBUG > 0)
3643 vep_session->elog_track.name =
3644 (char *) format (0, "C:%d:VEP:%d%c", vcm->my_client_index,
3646 elog_track_register (&vcm->elog_main, &vep_session->elog_track);
3647 vep_elog_track = vep_session->elog_track;
3650 clib_spinlock_unlock (&vcm->sessions_lockp);
3652 if (VPPCOM_DEBUG > 0)
3653 clib_warning ("VCL<%d>: Created vep_idx %u / sid %u!",
3654 getpid (), vep_idx, vep_idx);
3656 if (VPPCOM_DEBUG > 0)
3660 ELOG_TYPE_DECLARE (e) =
3662 .format = "created epoll session:%d",
3663 .format_args = "i4",
3671 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, vep_elog_track);
3680 vppcom_epoll_ctl (uint32_t vep_idx, int op, uint32_t session_index,
3681 struct epoll_event *event)
3683 session_t *vep_session;
3687 if (vep_idx == session_index)
3689 clib_warning ("VCL<%d>: ERROR: vep_idx == session_index (%u)!",
3690 getpid (), vep_idx);
3691 return VPPCOM_EINVAL;
3694 clib_spinlock_lock (&vcm->sessions_lockp);
3695 rv = vppcom_session_at_index (vep_idx, &vep_session);
3696 if (PREDICT_FALSE (rv))
3698 clib_warning ("VCL<%d>: ERROR: Invalid vep_idx (%u)!", vep_idx);
3701 if (PREDICT_FALSE (!vep_session->is_vep))
3703 clib_warning ("VCL<%d>: ERROR: vep_idx (%u) is not a vep!",
3704 getpid (), vep_idx);
3709 ASSERT (vep_session->vep.vep_idx == ~0);
3710 ASSERT (vep_session->vep.prev_sid == ~0);
3712 rv = vppcom_session_at_index (session_index, &session);
3713 if (PREDICT_FALSE (rv))
3715 if (VPPCOM_DEBUG > 0)
3716 clib_warning ("VCL<%d>: ERROR: Invalid session_index (%u)!",
3717 getpid (), session_index);
3720 if (PREDICT_FALSE (session->is_vep))
3722 clib_warning ("ERROR: session_index (%u) is a vep!", vep_idx);
3730 if (PREDICT_FALSE (!event))
3732 clib_warning ("VCL<%d>: ERROR: EPOLL_CTL_ADD: NULL pointer to "
3733 "epoll_event structure!", getpid ());
3737 if (vep_session->vep.next_sid != ~0)
3739 session_t *next_session;
3740 rv = vppcom_session_at_index (vep_session->vep.next_sid,
3742 if (PREDICT_FALSE (rv))
3744 clib_warning ("VCL<%d>: ERROR: EPOLL_CTL_ADD: Invalid "
3745 "vep.next_sid (%u) on vep_idx (%u)!",
3746 getpid (), vep_session->vep.next_sid, vep_idx);
3749 ASSERT (next_session->vep.prev_sid == vep_idx);
3750 next_session->vep.prev_sid = session_index;
3752 session->vep.next_sid = vep_session->vep.next_sid;
3753 session->vep.prev_sid = vep_idx;
3754 session->vep.vep_idx = vep_idx;
3755 session->vep.et_mask = VEP_DEFAULT_ET_MASK;
3756 session->vep.ev = *event;
3757 session->is_vep = 0;
3758 session->is_vep_session = 1;
3759 vep_session->vep.next_sid = session_index;
3760 if (VPPCOM_DEBUG > 1)
3761 clib_warning ("VCL<%d>: EPOLL_CTL_ADD: vep_idx %u, "
3762 "sid %u, events 0x%x, data 0x%llx!",
3763 getpid (), vep_idx, session_index,
3764 event->events, event->data.u64);
3765 if (VPPCOM_DEBUG > 0)
3768 ELOG_TYPE_DECLARE (e) =
3770 .format = "epoll_ctladd: events:%x data:%x",
3771 .format_args = "i4i4i8",
3779 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
3781 ed->events = event->events;
3782 ed->event_data = event->data.u64;
3788 if (PREDICT_FALSE (!event))
3790 clib_warning ("VCL<%d>: ERROR: EPOLL_CTL_MOD: NULL pointer to "
3791 "epoll_event structure!", getpid ());
3795 else if (PREDICT_FALSE (!session->is_vep_session))
3797 clib_warning ("VCL<%d>: ERROR: sid %u EPOLL_CTL_MOD: "
3798 "not a vep session!", getpid (), session_index);
3802 else if (PREDICT_FALSE (session->vep.vep_idx != vep_idx))
3804 clib_warning ("VCL<%d>: ERROR: sid %u EPOLL_CTL_MOD: "
3805 "vep_idx (%u) != vep_idx (%u)!",
3806 getpid (), session_index,
3807 session->vep.vep_idx, vep_idx);
3811 session->vep.et_mask = VEP_DEFAULT_ET_MASK;
3812 session->vep.ev = *event;
3813 if (VPPCOM_DEBUG > 1)
3815 ("VCL<%d>: EPOLL_CTL_MOD: vep_idx %u, sid %u, events 0x%x,"
3816 " data 0x%llx!", getpid (), vep_idx, session_index, event->events,
3821 if (PREDICT_FALSE (!session->is_vep_session))
3823 clib_warning ("VCL<%d>: ERROR: sid %u EPOLL_CTL_DEL: "
3824 "not a vep session!", getpid (), session_index);
3828 else if (PREDICT_FALSE (session->vep.vep_idx != vep_idx))
3830 clib_warning ("VCL<%d>: ERROR: sid %u EPOLL_CTL_DEL: "
3831 "vep_idx (%u) != vep_idx (%u)!",
3832 getpid (), session_index,
3833 session->vep.vep_idx, vep_idx);
3838 vep_session->wait_cont_idx =
3839 (vep_session->wait_cont_idx == session_index) ?
3840 session->vep.next_sid : vep_session->wait_cont_idx;
3842 if (session->vep.prev_sid == vep_idx)
3843 vep_session->vep.next_sid = session->vep.next_sid;
3846 session_t *prev_session;
3847 rv = vppcom_session_at_index (session->vep.prev_sid, &prev_session);
3848 if (PREDICT_FALSE (rv))
3850 clib_warning ("VCL<%d>: ERROR: EPOLL_CTL_DEL: Invalid "
3851 "vep.prev_sid (%u) on sid (%u)!",
3852 getpid (), session->vep.prev_sid, session_index);
3855 ASSERT (prev_session->vep.next_sid == session_index);
3856 prev_session->vep.next_sid = session->vep.next_sid;
3858 if (session->vep.next_sid != ~0)
3860 session_t *next_session;
3861 rv = vppcom_session_at_index (session->vep.next_sid, &next_session);
3862 if (PREDICT_FALSE (rv))
3864 clib_warning ("VCL<%d>: ERROR: EPOLL_CTL_DEL: Invalid "
3865 "vep.next_sid (%u) on sid (%u)!",
3866 getpid (), session->vep.next_sid, session_index);
3869 ASSERT (next_session->vep.prev_sid == session_index);
3870 next_session->vep.prev_sid = session->vep.prev_sid;
3873 memset (&session->vep, 0, sizeof (session->vep));
3874 session->vep.next_sid = ~0;
3875 session->vep.prev_sid = ~0;
3876 session->vep.vep_idx = ~0;
3877 session->is_vep_session = 0;
3878 if (VPPCOM_DEBUG > 1)
3879 clib_warning ("VCL<%d>: EPOLL_CTL_DEL: vep_idx %u, sid %u!",
3880 getpid (), vep_idx, session_index);
3881 if (VPPCOM_DEBUG > 0)
3884 ELOG_TYPE_DECLARE (e) =
3886 .format = "epoll_ctldel: vep:%d",
3887 .format_args = "i4",
3894 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
3902 clib_warning ("VCL<%d>: ERROR: Invalid operation (%d)!", getpid (), op);
3906 vep_verify_epoll_chain (vep_idx);
3909 clib_spinlock_unlock (&vcm->sessions_lockp);
3914 vppcom_epoll_wait (uint32_t vep_idx, struct epoll_event *events,
3915 int maxevents, double wait_for_time)
3917 session_t *vep_session;
3918 elog_track_t vep_elog_track;
3920 f64 timeout = clib_time_now (&vcm->clib_time) + wait_for_time;
3921 u32 keep_trying = 1;
3923 u32 vep_next_sid, wait_cont_idx;
3926 if (PREDICT_FALSE (maxevents <= 0))
3928 clib_warning ("VCL<%d>: ERROR: Invalid maxevents (%d)!",
3929 getpid (), maxevents);
3930 return VPPCOM_EINVAL;
3932 memset (events, 0, sizeof (*events) * maxevents);
3934 VCL_LOCK_AND_GET_SESSION (vep_idx, &vep_session);
3935 vep_next_sid = vep_session->vep.next_sid;
3936 is_vep = vep_session->is_vep;
3937 wait_cont_idx = vep_session->wait_cont_idx;
3938 vep_elog_track = vep_session->elog_track;
3939 clib_spinlock_unlock (&vcm->sessions_lockp);
3941 if (PREDICT_FALSE (!is_vep))
3943 clib_warning ("VCL<%d>: ERROR: vep_idx (%u) is not a vep!",
3944 getpid (), vep_idx);
3948 if (PREDICT_FALSE (vep_next_sid == ~0))
3950 if (VPPCOM_DEBUG > 0)
3951 clib_warning ("VCL<%d>: WARNING: vep_idx (%u) is empty!",
3952 getpid (), vep_idx);
3953 if (VPPCOM_DEBUG > 0)
3956 ELOG_TYPE_DECLARE (e) =
3958 .format = "WRN: vep_idx:%d empty",
3959 .format_args = "i4",
3966 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, vep_elog_track);
3979 elog_track_t session_elog_track;
3981 for (sid = (wait_cont_idx == ~0) ? vep_next_sid : wait_cont_idx;
3982 sid != ~0; sid = next_sid)
3984 u32 session_events, et_mask, clear_et_mask, session_vep_idx;
3985 u8 add_event, is_vep_session;
3987 u64 session_ev_data;
3989 VCL_LOCK_AND_GET_SESSION (sid, &session);
3990 next_sid = session->vep.next_sid;
3991 session_events = session->vep.ev.events;
3992 et_mask = session->vep.et_mask;
3993 is_vep = session->is_vep;
3994 is_vep_session = session->is_vep_session;
3995 session_vep_idx = session->vep.vep_idx;
3996 session_ev_data = session->vep.ev.data.u64;
3998 if (VPPCOM_DEBUG > 0)
4000 session_elog_track = session->elog_track;
4003 clib_spinlock_unlock (&vcm->sessions_lockp);
4005 if (PREDICT_FALSE (is_vep))
4007 if (VPPCOM_DEBUG > 0)
4008 clib_warning ("VCL<%d>: ERROR: sid (%u) is a vep!",
4009 getpid (), vep_idx);
4010 if (VPPCOM_DEBUG > 0)
4013 ELOG_TYPE_DECLARE (e) =
4015 .format = "ERR:vep_idx:%d is vep",
4016 .format_args = "i4",
4023 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session_elog_track);
4032 if (PREDICT_FALSE (!is_vep_session))
4034 if (VPPCOM_DEBUG > 0)
4035 clib_warning ("VCL<%d>: ERROR: session (%u) is not "
4036 "a vep session!", getpid (), sid);
4037 if (VPPCOM_DEBUG > 0)
4040 ELOG_TYPE_DECLARE (e) =
4042 .format = "ERR:SID:%d not vep",
4043 .format_args = "i4",
4050 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session_elog_track);
4059 if (PREDICT_FALSE (session_vep_idx != vep_idx))
4061 clib_warning ("VCL<%d>: ERROR: session (%u) "
4062 "vep_idx (%u) != vep_idx (%u)!",
4063 getpid (), sid, session_vep_idx, vep_idx);
4068 add_event = clear_et_mask = 0;
4070 if (EPOLLIN & session_events)
4072 VCL_LOCK_AND_GET_SESSION (sid, &session);
4073 ready = vppcom_session_read_ready (session, sid);
4074 clib_spinlock_unlock (&vcm->sessions_lockp);
4075 if ((ready > 0) && (EPOLLIN & et_mask))
4078 events[num_ev].events |= EPOLLIN;
4079 if (((EPOLLET | EPOLLIN) & session_events) ==
4080 (EPOLLET | EPOLLIN))
4081 clear_et_mask |= EPOLLIN;
4088 case VPPCOM_ECONNRESET:
4089 events[num_ev].events |= EPOLLHUP | EPOLLRDHUP;
4093 events[num_ev].events |= EPOLLERR;
4099 if (EPOLLOUT & session_events)
4101 VCL_LOCK_AND_GET_SESSION (sid, &session);
4102 ready = vppcom_session_write_ready (session, sid);
4103 clib_spinlock_unlock (&vcm->sessions_lockp);
4104 if ((ready > 0) && (EPOLLOUT & et_mask))
4107 events[num_ev].events |= EPOLLOUT;
4108 if (((EPOLLET | EPOLLOUT) & session_events) ==
4109 (EPOLLET | EPOLLOUT))
4110 clear_et_mask |= EPOLLOUT;
4117 case VPPCOM_ECONNRESET:
4118 events[num_ev].events |= EPOLLHUP;
4122 events[num_ev].events |= EPOLLERR;
4130 events[num_ev].data.u64 = session_ev_data;
4131 if (EPOLLONESHOT & session_events)
4133 VCL_LOCK_AND_GET_SESSION (sid, &session);
4134 session->vep.ev.events = 0;
4135 clib_spinlock_unlock (&vcm->sessions_lockp);
4138 if (num_ev == maxevents)
4140 VCL_LOCK_AND_GET_SESSION (vep_idx, &vep_session);
4141 vep_session->wait_cont_idx = next_sid;
4142 clib_spinlock_unlock (&vcm->sessions_lockp);
4146 if (wait_cont_idx != ~0)
4149 next_sid = vep_next_sid;
4150 else if (next_sid == wait_cont_idx)
4154 if (wait_for_time != -1)
4155 keep_trying = (clib_time_now (&vcm->clib_time) <= timeout) ? 1 : 0;
4157 while ((num_ev == 0) && keep_trying);
4159 if (wait_cont_idx != ~0)
4161 VCL_LOCK_AND_GET_SESSION (vep_idx, &vep_session);
4162 vep_session->wait_cont_idx = ~0;
4163 clib_spinlock_unlock (&vcm->sessions_lockp);
4166 return (rv != VPPCOM_OK) ? rv : num_ev;
4170 vppcom_session_attr (uint32_t session_index, uint32_t op,
4171 void *buffer, uint32_t * buflen)
4175 u32 *flags = buffer;
4176 vppcom_endpt_t *ep = buffer;
4178 VCL_LOCK_AND_GET_SESSION (session_index, &session);
4184 case VPPCOM_ATTR_GET_NREAD:
4185 rv = vppcom_session_read_ready (session, session_index);
4186 if (VPPCOM_DEBUG > 2)
4187 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_NREAD: sid %u, nread = %d",
4189 if (VPPCOM_DEBUG > 0)
4192 ELOG_TYPE_DECLARE (e) =
4194 .format = "VPPCOM_ATTR_GET_NREAD: nread=%d",
4195 .format_args = "i4",
4202 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4210 case VPPCOM_ATTR_GET_NWRITE:
4211 rv = vppcom_session_write_ready (session, session_index);
4212 if (VPPCOM_DEBUG > 2)
4213 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_NWRITE: sid %u, nwrite = %d",
4214 getpid (), session_index, rv);
4215 if (VPPCOM_DEBUG > 0)
4218 ELOG_TYPE_DECLARE (e) =
4220 .format = "VPPCOM_ATTR_GET_NWRITE: nwrite=%d",
4221 .format_args = "i4",
4228 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4235 case VPPCOM_ATTR_GET_FLAGS:
4236 if (PREDICT_TRUE (buffer && buflen && (*buflen >= sizeof (*flags))))
4238 *flags = O_RDWR | (VCL_SESS_ATTR_TEST (session->attr,
4239 VCL_SESS_ATTR_NONBLOCK));
4240 *buflen = sizeof (*flags);
4241 if (VPPCOM_DEBUG > 2)
4242 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_FLAGS: sid %u, "
4243 "flags = 0x%08x, is_nonblocking = %u", getpid (),
4244 session_index, *flags,
4245 VCL_SESS_ATTR_TEST (session->attr,
4246 VCL_SESS_ATTR_NONBLOCK));
4247 if (VPPCOM_DEBUG > 0)
4250 ELOG_TYPE_DECLARE (e) =
4252 .format = "VPPCOM_ATTR_GET_FLAGS: flags=%x is_nonblk=%d",
4253 .format_args = "i4i4",
4261 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4264 ed->is_nonblk = VCL_SESS_ATTR_TEST (session->attr, VCL_SESS_ATTR_NONBLOCK);
4273 case VPPCOM_ATTR_SET_FLAGS:
4274 if (PREDICT_TRUE (buffer && buflen && (*buflen == sizeof (*flags))))
4276 if (*flags & O_NONBLOCK)
4277 VCL_SESS_ATTR_SET (session->attr, VCL_SESS_ATTR_NONBLOCK);
4279 VCL_SESS_ATTR_CLR (session->attr, VCL_SESS_ATTR_NONBLOCK);
4281 if (VPPCOM_DEBUG > 2)
4282 clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_FLAGS: sid %u, "
4283 "flags = 0x%08x, is_nonblocking = %u",
4284 getpid (), session_index, *flags,
4285 VCL_SESS_ATTR_TEST (session->attr,
4286 VCL_SESS_ATTR_NONBLOCK));
4287 if (VPPCOM_DEBUG > 0)
4290 ELOG_TYPE_DECLARE (e) =
4292 .format = "VPPCOM_ATTR_SET_FLAGS: flags=%x is_nonblk=%d",
4293 .format_args = "i4i4",
4301 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4304 ed->is_nonblk = VCL_SESS_ATTR_TEST (session->attr, VCL_SESS_ATTR_NONBLOCK);
4312 case VPPCOM_ATTR_GET_PEER_ADDR:
4313 if (PREDICT_TRUE (buffer && buflen &&
4314 (*buflen >= sizeof (*ep)) && ep->ip))
4316 ep->is_ip4 = session->peer_addr.is_ip4;
4317 ep->port = session->peer_port;
4318 if (session->peer_addr.is_ip4)
4319 clib_memcpy (ep->ip, &session->peer_addr.ip46.ip4,
4320 sizeof (ip4_address_t));
4322 clib_memcpy (ep->ip, &session->peer_addr.ip46.ip6,
4323 sizeof (ip6_address_t));
4324 *buflen = sizeof (*ep);
4325 if (VPPCOM_DEBUG > 1)
4326 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_PEER_ADDR: sid %u, "
4327 "is_ip4 = %u, addr = %U, port %u", getpid (),
4328 session_index, ep->is_ip4, format_ip46_address,
4329 &session->peer_addr.ip46, ep->is_ip4,
4330 clib_net_to_host_u16 (ep->port));
4331 if (VPPCOM_DEBUG > 0)
4336 ELOG_TYPE_DECLARE (e) =
4338 .format = "VPPCOM_ATTR_GET_PEER_ADDR: addr:%d.%d.%d.%d:%d",
4339 .format_args = "i1i1i1i1i2",
4341 CLIB_PACKED (struct {
4346 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4348 ed->addr[0] = session->peer_addr.ip46.ip4.as_u8[0];
4349 ed->addr[1] = session->peer_addr.ip46.ip4.as_u8[1];
4350 ed->addr[2] = session->peer_addr.ip46.ip4.as_u8[2];
4351 ed->addr[3] = session->peer_addr.ip46.ip4.as_u8[3];
4352 ed->port = clib_net_to_host_u16 (session->peer_port);
4358 ELOG_TYPE_DECLARE (e) =
4360 .format = "VPPCOM_ATTR_GET_PEER_ADDR: addr:IP6:%d",
4361 .format_args = "i2",
4363 CLIB_PACKED (struct {
4367 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4369 ed->port = clib_net_to_host_u16 (session->peer_port);
4378 case VPPCOM_ATTR_GET_LCL_ADDR:
4379 if (PREDICT_TRUE (buffer && buflen &&
4380 (*buflen >= sizeof (*ep)) && ep->ip))
4382 ep->is_ip4 = session->lcl_addr.is_ip4;
4383 ep->port = session->lcl_port;
4384 if (session->lcl_addr.is_ip4)
4385 clib_memcpy (ep->ip, &session->lcl_addr.ip46.ip4,
4386 sizeof (ip4_address_t));
4388 clib_memcpy (ep->ip, &session->lcl_addr.ip46.ip6,
4389 sizeof (ip6_address_t));
4390 *buflen = sizeof (*ep);
4391 if (VPPCOM_DEBUG > 1)
4392 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_LCL_ADDR: sid %u, "
4393 "is_ip4 = %u, addr = %U port %d", getpid (),
4394 session_index, ep->is_ip4, format_ip46_address,
4395 &session->lcl_addr.ip46, ep->is_ip4,
4396 clib_net_to_host_u16 (ep->port));
4397 if (VPPCOM_DEBUG > 0)
4402 ELOG_TYPE_DECLARE (e) =
4404 .format = "VPPCOM_ATTR_GET_LCL_ADDR: addr:%d.%d.%d.%d:%d",
4405 .format_args = "i1i1i1i1i2",
4407 CLIB_PACKED (struct {
4412 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4414 ed->addr[0] = session->lcl_addr.ip46.ip4.as_u8[0];
4415 ed->addr[1] = session->lcl_addr.ip46.ip4.as_u8[1];
4416 ed->addr[2] = session->lcl_addr.ip46.ip4.as_u8[2];
4417 ed->addr[3] = session->lcl_addr.ip46.ip4.as_u8[3];
4418 ed->port = clib_net_to_host_u16 (session->peer_port);
4424 ELOG_TYPE_DECLARE (e) =
4426 .format = "VPPCOM_ATTR_GET_LCL_ADDR: addr:IP6:%d",
4427 .format_args = "i2",
4429 CLIB_PACKED (struct {
4433 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4435 ed->port = clib_net_to_host_u16 (session->peer_port);
4444 case VPPCOM_ATTR_GET_LIBC_EPFD:
4445 rv = session->libc_epfd;
4446 if (VPPCOM_DEBUG > 2)
4447 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_LIBC_EPFD: libc_epfd %d",
4449 if (VPPCOM_DEBUG > 0)
4452 ELOG_TYPE_DECLARE (e) =
4454 .format = "VPPCOM_ATTR_GET_LIBC_EPFD: libc_epfd=%d",
4455 .format_args = "i4",
4457 CLIB_PACKED (struct {
4461 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4462 ed->data = session->libc_epfd;
4468 case VPPCOM_ATTR_SET_LIBC_EPFD:
4469 if (PREDICT_TRUE (buffer && buflen &&
4470 (*buflen == sizeof (session->libc_epfd))))
4472 session->libc_epfd = *(int *) buffer;
4473 *buflen = sizeof (session->libc_epfd);
4475 if (VPPCOM_DEBUG > 2)
4476 clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_LIBC_EPFD: libc_epfd %d, "
4477 "buflen %d", getpid (), session->libc_epfd,
4479 if (VPPCOM_DEBUG > 0)
4482 ELOG_TYPE_DECLARE (e) =
4484 .format = "VPPCOM_ATTR_SET_LIBC_EPFD: libc_epfd=%s%d buflen=%d",
4485 .format_args = "t1i4i4",
4486 .n_enum_strings = 2,
4487 .enum_strings = {"", "-",},
4489 CLIB_PACKED (struct {
4494 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4496 ed->sign = (session->libc_epfd < 0);
4497 ed->data[0] = abs(session->libc_epfd);
4498 ed->data[1] = *buflen;
4506 case VPPCOM_ATTR_GET_PROTOCOL:
4507 if (buffer && buflen && (*buflen >= sizeof (int)))
4509 *(int *) buffer = session->proto;
4510 *buflen = sizeof (int);
4512 if (VPPCOM_DEBUG > 2)
4513 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_PROTOCOL: %d (%s), "
4514 "buflen %d", getpid (), *(int *) buffer,
4515 *(int *) buffer ? "UDP" : "TCP", *buflen);
4516 if (VPPCOM_DEBUG > 0)
4519 ELOG_TYPE_DECLARE (e) =
4521 .format = "VPPCOM_ATTR_GET_PROTOCOL: %s buflen=%d",
4522 .format_args = "t1i4",
4523 .n_enum_strings = 2,
4524 .enum_strings = {"TCP", "UDP",},
4527 CLIB_PACKED (struct {
4532 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4533 ed->proto = session->proto;
4534 ed->buflen = *(int *) buffer;
4542 case VPPCOM_ATTR_GET_LISTEN:
4543 if (buffer && buflen && (*buflen >= sizeof (int)))
4545 *(int *) buffer = VCL_SESS_ATTR_TEST (session->attr,
4546 VCL_SESS_ATTR_LISTEN);
4547 *buflen = sizeof (int);
4549 if (VPPCOM_DEBUG > 2)
4550 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_LISTEN: %d, "
4551 "buflen %d", getpid (), *(int *) buffer, *buflen);
4552 if (VPPCOM_DEBUG > 0)
4555 ELOG_TYPE_DECLARE (e) =
4557 .format = "VPPCOM_ATTR_GET_LISTEN: %d buflen=%d",
4558 .format_args = "i4i4",
4565 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4566 ed->data[0] = *(int *) buffer;
4567 ed->data[1] = *buflen;
4575 case VPPCOM_ATTR_GET_ERROR:
4576 if (buffer && buflen && (*buflen >= sizeof (int)))
4578 *(int *) buffer = 0;
4579 *buflen = sizeof (int);
4581 if (VPPCOM_DEBUG > 2)
4582 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_ERROR: %d, "
4583 "buflen %d, #VPP-TBD#", getpid (),
4584 *(int *) buffer, *buflen);
4585 if (VPPCOM_DEBUG > 0)
4588 ELOG_TYPE_DECLARE (e) =
4590 .format = "VPPCOM_ATTR_GET_ERROR: %d buflen=%d",
4591 .format_args = "i4i4",
4598 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4599 ed->data[0] = *(int *) buffer;
4600 ed->data[1] = *buflen;
4608 case VPPCOM_ATTR_GET_TX_FIFO_LEN:
4609 if (buffer && buflen && (*buflen >= sizeof (u32)))
4613 *(size_t *) buffer = (session->sndbuf_size ? session->sndbuf_size :
4614 session->tx_fifo ? session->tx_fifo->nitems :
4615 vcm->cfg.tx_fifo_size);
4616 *buflen = sizeof (u32);
4618 if (VPPCOM_DEBUG > 2)
4619 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_TX_FIFO_LEN: %u (0x%x), "
4620 "buflen %d, #VPP-TBD#", getpid (),
4621 *(size_t *) buffer, *(size_t *) buffer, *buflen);
4622 if (VPPCOM_DEBUG > 0)
4625 ELOG_TYPE_DECLARE (e) =
4627 .format = "VPPCOM_ATTR_GET_TX_FIFO_LEN: 0x%x buflen=%d",
4628 .format_args = "i4i4",
4635 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4636 ed->data[0] = *(size_t *) buffer;
4637 ed->data[1] = *buflen;
4645 case VPPCOM_ATTR_SET_TX_FIFO_LEN:
4646 if (buffer && buflen && (*buflen == sizeof (u32)))
4649 session->sndbuf_size = *(u32 *) buffer;
4650 if (VPPCOM_DEBUG > 2)
4651 clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_TX_FIFO_LEN: %u (0x%x), "
4652 "buflen %d, #VPP-TBD#", getpid (),
4653 session->sndbuf_size, session->sndbuf_size,
4655 if (VPPCOM_DEBUG > 0)
4658 ELOG_TYPE_DECLARE (e) =
4660 .format = "VPPCOM_ATTR_SET_TX_FIFO_LEN: 0x%x buflen=%d",
4661 .format_args = "i4i4",
4668 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4669 ed->data[0] = session->sndbuf_size;
4670 ed->data[1] = *buflen;
4678 case VPPCOM_ATTR_GET_RX_FIFO_LEN:
4679 if (buffer && buflen && (*buflen >= sizeof (u32)))
4683 *(size_t *) buffer = (session->rcvbuf_size ? session->rcvbuf_size :
4684 session->rx_fifo ? session->rx_fifo->nitems :
4685 vcm->cfg.rx_fifo_size);
4686 *buflen = sizeof (u32);
4688 if (VPPCOM_DEBUG > 2)
4689 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_RX_FIFO_LEN: %u (0x%x), "
4690 "buflen %d, #VPP-TBD#", getpid (),
4691 *(size_t *) buffer, *(size_t *) buffer, *buflen);
4692 if (VPPCOM_DEBUG > 0)
4695 ELOG_TYPE_DECLARE (e) =
4697 .format = "VPPCOM_ATTR_GET_RX_FIFO_LEN: 0x%x buflen=%d",
4698 .format_args = "i4i4",
4705 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4706 ed->data[0] = *(size_t *) buffer;
4707 ed->data[1] = *buflen;
4715 case VPPCOM_ATTR_SET_RX_FIFO_LEN:
4716 if (buffer && buflen && (*buflen == sizeof (u32)))
4719 session->rcvbuf_size = *(u32 *) buffer;
4720 if (VPPCOM_DEBUG > 2)
4721 clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_RX_FIFO_LEN: %u (0x%x), "
4722 "buflen %d, #VPP-TBD#", getpid (),
4723 session->sndbuf_size, session->sndbuf_size,
4725 if (VPPCOM_DEBUG > 0)
4728 ELOG_TYPE_DECLARE (e) =
4730 .format = "VPPCOM_ATTR_SET_RX_FIFO_LEN: 0x%x buflen=%d",
4731 .format_args = "i4i4",
4738 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4739 ed->data[0] = session->sndbuf_size;
4740 ed->data[1] = *buflen;
4748 case VPPCOM_ATTR_GET_REUSEADDR:
4749 if (buffer && buflen && (*buflen >= sizeof (int)))
4752 *(int *) buffer = VCL_SESS_ATTR_TEST (session->attr,
4753 VCL_SESS_ATTR_REUSEADDR);
4754 *buflen = sizeof (int);
4756 if (VPPCOM_DEBUG > 2)
4757 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_REUSEADDR: %d, "
4758 "buflen %d, #VPP-TBD#", getpid (), *(int *) buffer,
4760 if (VPPCOM_DEBUG > 0)
4763 ELOG_TYPE_DECLARE (e) =
4765 .format = "VPPCOM_ATTR_GET_REUSEADDR: %d buflen=%d",
4766 .format_args = "i4i4",
4773 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4774 ed->data[0] = *(int *) buffer;
4775 ed->data[1] = *buflen;
4783 case VPPCOM_ATTR_SET_REUSEADDR:
4784 if (buffer && buflen && (*buflen == sizeof (int)) &&
4785 !VCL_SESS_ATTR_TEST (session->attr, VCL_SESS_ATTR_LISTEN))
4788 if (*(int *) buffer)
4789 VCL_SESS_ATTR_SET (session->attr, VCL_SESS_ATTR_REUSEADDR);
4791 VCL_SESS_ATTR_CLR (session->attr, VCL_SESS_ATTR_REUSEADDR);
4793 if (VPPCOM_DEBUG > 2)
4794 clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_REUSEADDR: %d, "
4795 "buflen %d, #VPP-TBD#", getpid (),
4796 VCL_SESS_ATTR_TEST (session->attr,
4797 VCL_SESS_ATTR_REUSEADDR),
4799 if (VPPCOM_DEBUG > 0)
4802 ELOG_TYPE_DECLARE (e) =
4804 .format = "VPPCOM_ATTR_SET_REUSEADDR: %d buflen=%d",
4805 .format_args = "i4i4",
4812 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4813 ed->data[0] = VCL_SESS_ATTR_TEST (session->attr,
4814 VCL_SESS_ATTR_REUSEADDR);
4815 ed->data[1] = *buflen;
4823 case VPPCOM_ATTR_GET_REUSEPORT:
4824 if (buffer && buflen && (*buflen >= sizeof (int)))
4827 *(int *) buffer = VCL_SESS_ATTR_TEST (session->attr,
4828 VCL_SESS_ATTR_REUSEPORT);
4829 *buflen = sizeof (int);
4831 if (VPPCOM_DEBUG > 2)
4832 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_REUSEPORT: %d, "
4833 "buflen %d, #VPP-TBD#", getpid (), *(int *) buffer,
4835 if (VPPCOM_DEBUG > 0)
4838 ELOG_TYPE_DECLARE (e) =
4840 .format = "VPPCOM_ATTR_GET_REUSEPORT: %d buflen=%d",
4841 .format_args = "i4i4",
4848 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4849 ed->data[0] = *(int *) buffer;
4850 ed->data[1] = *buflen;
4858 case VPPCOM_ATTR_SET_REUSEPORT:
4859 if (buffer && buflen && (*buflen == sizeof (int)) &&
4860 !VCL_SESS_ATTR_TEST (session->attr, VCL_SESS_ATTR_LISTEN))
4863 if (*(int *) buffer)
4864 VCL_SESS_ATTR_SET (session->attr, VCL_SESS_ATTR_REUSEPORT);
4866 VCL_SESS_ATTR_CLR (session->attr, VCL_SESS_ATTR_REUSEPORT);
4868 if (VPPCOM_DEBUG > 2)
4869 clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_REUSEPORT: %d, "
4870 "buflen %d, #VPP-TBD#", getpid (),
4871 VCL_SESS_ATTR_TEST (session->attr,
4872 VCL_SESS_ATTR_REUSEPORT),
4874 if (VPPCOM_DEBUG > 0)
4877 ELOG_TYPE_DECLARE (e) =
4879 .format = "VPPCOM_ATTR_SET_REUSEPORT: %d buflen=%d",
4880 .format_args = "i4i4",
4887 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4888 ed->data[0] = VCL_SESS_ATTR_TEST (session->attr,
4889 VCL_SESS_ATTR_REUSEPORT);
4890 ed->data[1] = *buflen;
4898 case VPPCOM_ATTR_GET_BROADCAST:
4899 if (buffer && buflen && (*buflen >= sizeof (int)))
4902 *(int *) buffer = VCL_SESS_ATTR_TEST (session->attr,
4903 VCL_SESS_ATTR_BROADCAST);
4904 *buflen = sizeof (int);
4906 if (VPPCOM_DEBUG > 2)
4907 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_BROADCAST: %d, "
4908 "buflen %d, #VPP-TBD#", getpid (), *(int *) buffer,
4910 if (VPPCOM_DEBUG > 0)
4913 ELOG_TYPE_DECLARE (e) =
4915 .format = "VPPCOM_ATTR_GET_BROADCAST: %d buflen=%d",
4916 .format_args = "i4i4",
4923 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4924 ed->data[0] = *(int *) buffer;
4925 ed->data[1] = *buflen;
4933 case VPPCOM_ATTR_SET_BROADCAST:
4934 if (buffer && buflen && (*buflen == sizeof (int)))
4937 if (*(int *) buffer)
4938 VCL_SESS_ATTR_SET (session->attr, VCL_SESS_ATTR_BROADCAST);
4940 VCL_SESS_ATTR_CLR (session->attr, VCL_SESS_ATTR_BROADCAST);
4942 if (VPPCOM_DEBUG > 2)
4943 clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_BROADCAST: %d, "
4944 "buflen %d, #VPP-TBD#", getpid (),
4945 VCL_SESS_ATTR_TEST (session->attr,
4946 VCL_SESS_ATTR_BROADCAST),
4948 if (VPPCOM_DEBUG > 0)
4951 ELOG_TYPE_DECLARE (e) =
4953 .format = "VPPCOM_ATTR_SET_BROADCAST: %d buflen=%d",
4954 .format_args = "i4i4",
4961 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4962 ed->data[0] = VCL_SESS_ATTR_TEST (session->attr,
4963 VCL_SESS_ATTR_BROADCAST);
4964 ed->data[1] = *buflen;
4972 case VPPCOM_ATTR_GET_V6ONLY:
4973 if (buffer && buflen && (*buflen >= sizeof (int)))
4976 *(int *) buffer = VCL_SESS_ATTR_TEST (session->attr,
4977 VCL_SESS_ATTR_V6ONLY);
4978 *buflen = sizeof (int);
4980 if (VPPCOM_DEBUG > 2)
4981 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_V6ONLY: %d, "
4982 "buflen %d, #VPP-TBD#", getpid (), *(int *) buffer,
4984 if (VPPCOM_DEBUG > 0)
4987 ELOG_TYPE_DECLARE (e) =
4989 .format = "VPPCOM_ATTR_GET_V6ONLY: %d buflen=%d",
4990 .format_args = "i4i4",
4997 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4998 ed->data[0] = *(int *) buffer;
4999 ed->data[1] = *buflen;
5007 case VPPCOM_ATTR_SET_V6ONLY:
5008 if (buffer && buflen && (*buflen == sizeof (int)))
5011 if (*(int *) buffer)
5012 VCL_SESS_ATTR_SET (session->attr, VCL_SESS_ATTR_V6ONLY);
5014 VCL_SESS_ATTR_CLR (session->attr, VCL_SESS_ATTR_V6ONLY);
5016 if (VPPCOM_DEBUG > 2)
5017 clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_V6ONLY: %d, "
5018 "buflen %d, #VPP-TBD#", getpid (),
5019 VCL_SESS_ATTR_TEST (session->attr,
5020 VCL_SESS_ATTR_V6ONLY), *buflen);
5021 if (VPPCOM_DEBUG > 0)
5024 ELOG_TYPE_DECLARE (e) =
5026 .format = "VPPCOM_ATTR_SET_V6ONLY: %d buflen=%d",
5027 .format_args = "i4i4",
5034 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
5035 ed->data[0] = VCL_SESS_ATTR_TEST (session->attr,
5036 VCL_SESS_ATTR_V6ONLY);
5037 ed->data[1] = *buflen;
5045 case VPPCOM_ATTR_GET_KEEPALIVE:
5046 if (buffer && buflen && (*buflen >= sizeof (int)))
5049 *(int *) buffer = VCL_SESS_ATTR_TEST (session->attr,
5050 VCL_SESS_ATTR_KEEPALIVE);
5051 *buflen = sizeof (int);
5053 if (VPPCOM_DEBUG > 2)
5054 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_KEEPALIVE: %d, "
5055 "buflen %d, #VPP-TBD#", getpid (), *(int *) buffer,
5057 if (VPPCOM_DEBUG > 0)
5060 ELOG_TYPE_DECLARE (e) =
5062 .format = "VPPCOM_ATTR_GET_KEEPALIVE: %d buflen=%d",
5063 .format_args = "i4i4",
5070 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
5071 ed->data[0] = *(int *) buffer;
5072 ed->data[1] = *buflen;
5080 case VPPCOM_ATTR_SET_KEEPALIVE:
5081 if (buffer && buflen && (*buflen == sizeof (int)))
5084 if (*(int *) buffer)
5085 VCL_SESS_ATTR_SET (session->attr, VCL_SESS_ATTR_KEEPALIVE);
5087 VCL_SESS_ATTR_CLR (session->attr, VCL_SESS_ATTR_KEEPALIVE);
5089 if (VPPCOM_DEBUG > 2)
5090 clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_KEEPALIVE: %d, "
5091 "buflen %d, #VPP-TBD#", getpid (),
5092 VCL_SESS_ATTR_TEST (session->attr,
5093 VCL_SESS_ATTR_KEEPALIVE),
5095 if (VPPCOM_DEBUG > 0)
5098 ELOG_TYPE_DECLARE (e) =
5100 .format = "VPPCOM_ATTR_SET_KEEPALIVE: %d buflen=%d",
5101 .format_args = "i4i4",
5108 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
5109 ed->data[0] = VCL_SESS_ATTR_TEST (session->attr,
5110 VCL_SESS_ATTR_KEEPALIVE);
5111 ed->data[1] = *buflen;
5119 case VPPCOM_ATTR_GET_TCP_NODELAY:
5120 if (buffer && buflen && (*buflen >= sizeof (int)))
5123 *(int *) buffer = VCL_SESS_ATTR_TEST (session->attr,
5124 VCL_SESS_ATTR_TCP_NODELAY);
5125 *buflen = sizeof (int);
5127 if (VPPCOM_DEBUG > 2)
5128 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_TCP_NODELAY: %d, "
5129 "buflen %d, #VPP-TBD#", getpid (), *(int *) buffer,
5131 if (VPPCOM_DEBUG > 0)
5134 ELOG_TYPE_DECLARE (e) =
5136 .format = "VPPCOM_ATTR_GET_TCP_NODELAY: %d buflen=%d",
5137 .format_args = "i4i4",
5144 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
5145 ed->data[0] = *(int *) buffer;
5146 ed->data[1] = *buflen;
5154 case VPPCOM_ATTR_SET_TCP_NODELAY:
5155 if (buffer && buflen && (*buflen == sizeof (int)))
5158 if (*(int *) buffer)
5159 VCL_SESS_ATTR_SET (session->attr, VCL_SESS_ATTR_TCP_NODELAY);
5161 VCL_SESS_ATTR_CLR (session->attr, VCL_SESS_ATTR_TCP_NODELAY);
5163 if (VPPCOM_DEBUG > 2)
5164 clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_TCP_NODELAY: %d, "
5165 "buflen %d, #VPP-TBD#", getpid (),
5166 VCL_SESS_ATTR_TEST (session->attr,
5167 VCL_SESS_ATTR_TCP_NODELAY),
5169 if (VPPCOM_DEBUG > 0)
5172 ELOG_TYPE_DECLARE (e) =
5174 .format = "VPPCOM_ATTR_SET_TCP_NODELAY: %d buflen=%d",
5175 .format_args = "i4i4",
5182 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
5183 ed->data[0] = VCL_SESS_ATTR_TEST (session->attr,
5184 VCL_SESS_ATTR_TCP_NODELAY);
5185 ed->data[1] = *buflen;
5193 case VPPCOM_ATTR_GET_TCP_KEEPIDLE:
5194 if (buffer && buflen && (*buflen >= sizeof (int)))
5197 *(int *) buffer = VCL_SESS_ATTR_TEST (session->attr,
5198 VCL_SESS_ATTR_TCP_KEEPIDLE);
5199 *buflen = sizeof (int);
5201 if (VPPCOM_DEBUG > 2)
5202 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_TCP_KEEPIDLE: %d, "
5203 "buflen %d, #VPP-TBD#", getpid (), *(int *) buffer,
5205 if (VPPCOM_DEBUG > 0)
5208 ELOG_TYPE_DECLARE (e) =
5210 .format = "VPPCOM_ATTR_GET_TCP_KEEPIDLE: %d buflen=%d",
5211 .format_args = "i4i4",
5218 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
5219 ed->data[0] = *(int *) buffer;
5220 ed->data[1] = *buflen;
5228 case VPPCOM_ATTR_SET_TCP_KEEPIDLE:
5229 if (buffer && buflen && (*buflen == sizeof (int)))
5232 if (*(int *) buffer)
5233 VCL_SESS_ATTR_SET (session->attr, VCL_SESS_ATTR_TCP_KEEPIDLE);
5235 VCL_SESS_ATTR_CLR (session->attr, VCL_SESS_ATTR_TCP_KEEPIDLE);
5237 if (VPPCOM_DEBUG > 2)
5238 clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_TCP_KEEPIDLE: %d, "
5239 "buflen %d, #VPP-TBD#", getpid (),
5240 VCL_SESS_ATTR_TEST (session->attr,
5241 VCL_SESS_ATTR_TCP_KEEPIDLE),
5243 if (VPPCOM_DEBUG > 0)
5246 ELOG_TYPE_DECLARE (e) =
5248 .format = "VPPCOM_ATTR_SET_TCP_KEEPIDLE: %d buflen=%d",
5249 .format_args = "i4i4",
5256 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
5257 ed->data[0] = VCL_SESS_ATTR_TEST (session->attr,
5258 VCL_SESS_ATTR_TCP_KEEPIDLE);
5259 ed->data[1] = *buflen;
5267 case VPPCOM_ATTR_GET_TCP_KEEPINTVL:
5268 if (buffer && buflen && (*buflen >= sizeof (int)))
5271 *(int *) buffer = VCL_SESS_ATTR_TEST (session->attr,
5272 VCL_SESS_ATTR_TCP_KEEPINTVL);
5273 *buflen = sizeof (int);
5275 if (VPPCOM_DEBUG > 2)
5276 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_TCP_KEEPINTVL: %d, "
5277 "buflen %d, #VPP-TBD#", getpid (), *(int *) buffer,
5279 if (VPPCOM_DEBUG > 0)
5282 ELOG_TYPE_DECLARE (e) =
5284 .format = "VPPCOM_ATTR_GET_TCP_KEEPIDLE: %d buflen=%d",
5285 .format_args = "i4i4",
5292 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
5293 ed->data[0] = *(int *) buffer;
5294 ed->data[1] = *buflen;
5302 case VPPCOM_ATTR_SET_TCP_KEEPINTVL:
5303 if (buffer && buflen && (*buflen == sizeof (int)))
5306 if (*(int *) buffer)
5307 VCL_SESS_ATTR_SET (session->attr, VCL_SESS_ATTR_TCP_KEEPINTVL);
5309 VCL_SESS_ATTR_CLR (session->attr, VCL_SESS_ATTR_TCP_KEEPINTVL);
5311 if (VPPCOM_DEBUG > 2)
5312 clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_TCP_KEEPINTVL: %d, "
5313 "buflen %d, #VPP-TBD#", getpid (),
5314 VCL_SESS_ATTR_TEST (session->attr,
5315 VCL_SESS_ATTR_TCP_KEEPINTVL),
5317 if (VPPCOM_DEBUG > 0)
5320 ELOG_TYPE_DECLARE (e) =
5322 .format = "VPPCOM_ATTR_SET_TCP_KEEPINTVL: %d buflen=%d",
5323 .format_args = "i4i4",
5330 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
5331 ed->data[0] = VCL_SESS_ATTR_TEST (session->attr,
5332 VCL_SESS_ATTR_TCP_KEEPINTVL);
5333 ed->data[1] = *buflen;
5341 case VPPCOM_ATTR_GET_TCP_USER_MSS:
5342 if (buffer && buflen && (*buflen >= sizeof (u32)))
5345 *(u32 *) buffer = session->user_mss;
5346 *buflen = sizeof (int);
5348 if (VPPCOM_DEBUG > 2)
5349 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_TCP_USER_MSS: %d, "
5350 "buflen %d, #VPP-TBD#", getpid (), *(int *) buffer,
5352 if (VPPCOM_DEBUG > 0)
5355 ELOG_TYPE_DECLARE (e) =
5357 .format = "VPPCOM_ATTR_GET_TCP_USER_MSS: %d buflen=%d",
5358 .format_args = "i4i4",
5365 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
5366 ed->data[0] = *(int *) buffer;
5367 ed->data[1] = *buflen;
5375 case VPPCOM_ATTR_SET_TCP_USER_MSS:
5376 if (buffer && buflen && (*buflen == sizeof (u32)))
5379 session->user_mss = *(u32 *) buffer;
5381 if (VPPCOM_DEBUG > 2)
5382 clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_TCP_USER_MSS: %u, "
5383 "buflen %d, #VPP-TBD#", getpid (),
5384 session->user_mss, *buflen);
5385 if (VPPCOM_DEBUG > 0)
5388 ELOG_TYPE_DECLARE (e) =
5390 .format = "VPPCOM_ATTR_SET_TCP_USER_MSS: %d buflen=%d",
5391 .format_args = "i4i4",
5398 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
5399 ed->data[0] = session->user_mss;
5400 ed->data[1] = *buflen;
5414 clib_spinlock_unlock (&vcm->sessions_lockp);
5419 vppcom_session_recvfrom (uint32_t session_index, void *buffer,
5420 uint32_t buflen, int flags, vppcom_endpt_t * ep)
5423 session_t *session = 0;
5427 clib_spinlock_lock (&vcm->sessions_lockp);
5428 rv = vppcom_session_at_index (session_index, &session);
5429 if (PREDICT_FALSE (rv))
5431 clib_spinlock_unlock (&vcm->sessions_lockp);
5432 if (VPPCOM_DEBUG > 0)
5433 clib_warning ("VCL<%d>: invalid session, "
5434 "sid (%u) has been closed!",
5435 getpid (), session_index);
5436 if (VPPCOM_DEBUG > 0)
5439 ELOG_TYPE_DECLARE (e) =
5441 .format = "invalid session: %d closed",
5442 .format_args = "i4",
5449 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, vcm->elog_track);
5450 ed->data = session_index;
5454 clib_spinlock_unlock (&vcm->sessions_lockp);
5457 ep->is_ip4 = session->peer_addr.is_ip4;
5458 ep->port = session->peer_port;
5459 if (session->peer_addr.is_ip4)
5460 clib_memcpy (ep->ip, &session->peer_addr.ip46.ip4,
5461 sizeof (ip4_address_t));
5463 clib_memcpy (ep->ip, &session->peer_addr.ip46.ip6,
5464 sizeof (ip6_address_t));
5465 clib_spinlock_unlock (&vcm->sessions_lockp);
5469 rv = vppcom_session_read (session_index, buffer, buflen);
5470 else if (flags & MSG_PEEK)
5471 rv = vppcom_session_peek (session_index, buffer, buflen);
5474 clib_warning ("VCL<%d>: Unsupport flags for recvfrom %d",
5476 rv = VPPCOM_EAFNOSUPPORT;
5484 vppcom_session_sendto (uint32_t session_index, void *buffer,
5485 uint32_t buflen, int flags, vppcom_endpt_t * ep)
5488 return VPPCOM_EINVAL;
5493 return VPPCOM_EINVAL;
5498 // TBD check the flags and do the right thing
5499 if (VPPCOM_DEBUG > 2)
5500 clib_warning ("VCL<%d>: handling flags 0x%u (%d) "
5501 "not implemented yet.", getpid (), flags, flags);
5504 return (vppcom_session_write (session_index, buffer, buflen));
5508 vppcom_poll (vcl_poll_t * vp, uint32_t n_sids, double wait_for_time)
5510 f64 timeout = clib_time_now (&vcm->clib_time) + wait_for_time;
5511 u32 i, keep_trying = 1;
5514 if (VPPCOM_DEBUG > 3)
5515 clib_warning ("VCL<%d>: vp %p, nsids %u, wait_for_time %f",
5516 getpid (), vp, n_sids, wait_for_time);
5519 return VPPCOM_EFAULT;
5525 for (i = 0; i < n_sids; i++)
5527 ASSERT (vp[i].revents);
5529 VCL_LOCK_AND_GET_SESSION (vp[i].sid, &session);
5530 clib_spinlock_unlock (&vcm->sessions_lockp);
5535 if (POLLIN & vp[i].events)
5537 VCL_LOCK_AND_GET_SESSION (vp[i].sid, &session);
5538 rv = vppcom_session_read_ready (session, vp[i].sid);
5539 clib_spinlock_unlock (&vcm->sessions_lockp);
5542 *vp[i].revents |= POLLIN;
5549 case VPPCOM_ECONNRESET:
5550 *vp[i].revents = POLLHUP;
5554 *vp[i].revents = POLLERR;
5561 if (POLLOUT & vp[i].events)
5563 VCL_LOCK_AND_GET_SESSION (vp[i].sid, &session);
5564 rv = vppcom_session_write_ready (session, vp[i].sid);
5565 clib_spinlock_unlock (&vcm->sessions_lockp);
5568 *vp[i].revents |= POLLOUT;
5575 case VPPCOM_ECONNRESET:
5576 *vp[i].revents = POLLHUP;
5580 *vp[i].revents = POLLERR;
5587 if (0) // Note "done:" label used by VCL_LOCK_AND_GET_SESSION()
5590 *vp[i].revents = POLLNVAL;
5594 if (wait_for_time != -1)
5595 keep_trying = (clib_time_now (&vcm->clib_time) <= timeout) ? 1 : 0;
5597 while ((num_ev == 0) && keep_trying);
5599 if (VPPCOM_DEBUG > 3)
5601 clib_warning ("VCL<%d>: returning %d", getpid (), num_ev);
5602 for (i = 0; i < n_sids; i++)
5604 clib_warning ("VCL<%d>: vp[%d].sid %d (0x%x), .events 0x%x, "
5605 ".revents 0x%x", getpid (), i, vp[i].sid, vp[i].sid,
5606 vp[i].events, *vp[i].revents);
5613 * fd.io coding-style-patch-verification: ON
5616 * eval: (c-set-style "gnu")