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 if (VPPCOM_DEBUG > 1)
860 clib_warning ("Unmapped segment '%s'", mp->segment_name);
864 vl_api_disconnect_session_t_handler (vl_api_disconnect_session_t * mp)
868 p = hash_get (vcm->session_index_by_vpp_handles, mp->handle);
872 session_t *session = 0;
873 u32 session_index = p[0];
875 VCL_LOCK_AND_GET_SESSION (session_index, &session);
876 session->state = STATE_CLOSE_ON_EMPTY;
878 if (VPPCOM_DEBUG > 1)
879 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
880 "setting state to 0x%x (%s)",
881 getpid (), mp->handle, session_index, session->state,
882 vppcom_session_state_str (session->state));
883 clib_spinlock_unlock (&vcm->sessions_lockp);
887 if (VPPCOM_DEBUG > 1)
888 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
889 "session lookup failed!",
890 getpid (), mp->handle, session_index);
893 clib_warning ("VCL<%d>: vpp handle 0x%llx: session lookup by "
894 "handle failed!", getpid (), mp->handle);
898 vl_api_reset_session_t_handler (vl_api_reset_session_t * mp)
900 session_t *session = 0;
901 vl_api_reset_session_reply_t *rmp;
905 p = hash_get (vcm->session_index_by_vpp_handles, mp->handle);
909 clib_spinlock_lock (&vcm->sessions_lockp);
910 rval = vppcom_session_at_index (p[0], &session);
911 if (PREDICT_FALSE (rval))
913 rv = VNET_API_ERROR_INVALID_VALUE_2;
914 clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: "
915 "session lookup failed! returning %d %U",
916 getpid (), mp->handle, p[0],
917 rv, format_api_error, rv);
921 /* TBD: should this disconnect immediately and
924 session->state = STATE_CLOSE_ON_EMPTY;
926 if (VPPCOM_DEBUG > 1)
927 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
928 "state set to %d (%s)!", getpid (),
929 mp->handle, p[0], session->state,
930 vppcom_session_state_str (session->state));
932 clib_spinlock_unlock (&vcm->sessions_lockp);
936 rv = VNET_API_ERROR_INVALID_VALUE;
937 clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx: session lookup "
938 "failed! returning %d %U",
939 getpid (), mp->handle, rv, format_api_error, rv);
942 rmp = vl_msg_api_alloc (sizeof (*rmp));
943 memset (rmp, 0, sizeof (*rmp));
944 rmp->_vl_msg_id = ntohs (VL_API_RESET_SESSION_REPLY);
945 rmp->retval = htonl (rv);
946 rmp->handle = mp->handle;
947 vl_msg_api_send_shmem (vcm->vl_input_queue, (u8 *) & rmp);
951 vl_api_connect_session_reply_t_handler (vl_api_connect_session_reply_t * mp)
953 session_t *session = 0;
955 svm_fifo_t *rx_fifo, *tx_fifo;
958 session_index = mp->context;
959 VCL_LOCK_AND_GET_SESSION (session_index, &session);
963 clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: "
964 "connect failed! %U",
965 getpid (), mp->handle, session_index,
966 format_api_error, ntohl (mp->retval));
969 session->state = STATE_FAILED;
970 session->vpp_handle = mp->handle;
974 clib_warning ("[%s] ERROR: vpp handle 0x%llx, sid %u: "
975 "Invalid session index (%u)!",
976 getpid (), mp->handle, session_index);
987 session->vpp_event_queue = uword_to_pointer (mp->vpp_event_queue_address,
990 rx_fifo = uword_to_pointer (mp->server_rx_fifo, svm_fifo_t *);
991 rx_fifo->client_session_index = session_index;
992 tx_fifo = uword_to_pointer (mp->server_tx_fifo, svm_fifo_t *);
993 tx_fifo->client_session_index = session_index;
995 session->rx_fifo = rx_fifo;
996 session->tx_fifo = tx_fifo;
997 session->vpp_handle = mp->handle;
998 session->lcl_addr.is_ip4 = mp->is_ip4;
999 clib_memcpy (&session->lcl_addr.ip46, mp->lcl_ip,
1000 sizeof (session->peer_addr.ip46));
1001 session->lcl_port = mp->lcl_port;
1002 session->state = STATE_CONNECT;
1004 /* Add it to lookup table */
1005 hash_set (vcm->session_index_by_vpp_handles, mp->handle, session_index);
1007 if (VPPCOM_DEBUG > 1)
1008 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: connect succeeded!"
1009 " session_rx_fifo %p, refcnt %d,"
1010 " session_tx_fifo %p, refcnt %d",
1011 getpid (), mp->handle, session_index,
1013 session->rx_fifo->refcnt,
1014 session->tx_fifo, session->tx_fifo->refcnt);
1016 clib_spinlock_unlock (&vcm->sessions_lockp);
1020 vppcom_send_connect_sock (session_t * session, u32 session_index)
1022 vl_api_connect_sock_t *cmp;
1024 /* Assumes caller as acquired the spinlock: vcm->sessions_lockp */
1025 cmp = vl_msg_api_alloc (sizeof (*cmp));
1026 memset (cmp, 0, sizeof (*cmp));
1027 cmp->_vl_msg_id = ntohs (VL_API_CONNECT_SOCK);
1028 cmp->client_index = vcm->my_client_index;
1029 cmp->context = session_index;
1031 cmp->is_ip4 = session->peer_addr.is_ip4;
1032 clib_memcpy (cmp->ip, &session->peer_addr.ip46, sizeof (cmp->ip));
1033 cmp->port = session->peer_port;
1034 cmp->proto = session->proto;
1035 clib_memcpy (cmp->options, session->options, sizeof (cmp->options));
1036 vl_msg_api_send_shmem (vcm->vl_input_queue, (u8 *) & cmp);
1040 vppcom_send_disconnect_session_reply (u64 vpp_handle, u32 session_index,
1043 vl_api_disconnect_session_reply_t *rmp;
1045 if (VPPCOM_DEBUG > 1)
1046 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
1047 "sending disconnect msg",
1048 getpid (), vpp_handle, session_index);
1050 rmp = vl_msg_api_alloc (sizeof (*rmp));
1051 memset (rmp, 0, sizeof (*rmp));
1053 rmp->_vl_msg_id = ntohs (VL_API_DISCONNECT_SESSION_REPLY);
1054 rmp->retval = htonl (rv);
1055 rmp->handle = vpp_handle;
1056 vl_msg_api_send_shmem (vcm->vl_input_queue, (u8 *) & rmp);
1060 vppcom_send_disconnect_session (u64 vpp_handle, u32 session_index)
1062 vl_api_disconnect_session_t *dmp;
1064 if (VPPCOM_DEBUG > 1)
1065 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
1066 "sending disconnect msg",
1067 getpid (), vpp_handle, session_index);
1069 dmp = vl_msg_api_alloc (sizeof (*dmp));
1070 memset (dmp, 0, sizeof (*dmp));
1071 dmp->_vl_msg_id = ntohs (VL_API_DISCONNECT_SESSION);
1072 dmp->client_index = vcm->my_client_index;
1073 dmp->handle = vpp_handle;
1074 vl_msg_api_send_shmem (vcm->vl_input_queue, (u8 *) & dmp);
1078 vl_api_bind_sock_reply_t_handler (vl_api_bind_sock_reply_t * mp)
1080 session_t *session = 0;
1081 u32 session_index = mp->context;
1084 VCL_LOCK_AND_GET_SESSION (session_index, &session);
1088 clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, "
1089 "sid %u: bind failed: %U",
1090 getpid (), mp->handle, session_index,
1091 format_api_error, ntohl (mp->retval));
1092 rv = vppcom_session_at_index (session_index, &session);
1093 if (rv == VPPCOM_OK)
1095 session->state = STATE_FAILED;
1096 session->vpp_handle = mp->handle;
1100 clib_warning ("[%s] ERROR: vpp handle 0x%llx, sid %u: "
1101 "Invalid session index (%u)!",
1102 getpid (), mp->handle, session_index);
1107 session->vpp_handle = mp->handle;
1108 session->lcl_addr.is_ip4 = mp->lcl_is_ip4;
1109 clib_memcpy (&session->lcl_addr.ip46, mp->lcl_ip,
1110 sizeof (session->peer_addr.ip46));
1111 session->lcl_port = mp->lcl_port;
1112 vppcom_session_table_add_listener (mp->handle, session_index);
1113 session->state = STATE_LISTEN;
1115 if (VPPCOM_DEBUG > 1)
1116 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: bind succeeded!",
1117 getpid (), mp->handle, mp->context);
1119 clib_spinlock_unlock (&vcm->sessions_lockp);
1123 vl_api_unbind_sock_reply_t_handler (vl_api_unbind_sock_reply_t * mp)
1126 clib_warning ("VCL<%d>: ERROR: sid %u: unbind failed: %U",
1127 getpid (), mp->context, format_api_error,
1128 ntohl (mp->retval));
1130 else if (VPPCOM_DEBUG > 1)
1131 clib_warning ("VCL<%d>: sid %u: unbind succeeded!",
1132 getpid (), mp->context);
1136 format_ip4_address (u8 * s, va_list * args)
1138 u8 *a = va_arg (*args, u8 *);
1139 return format (s, "%d.%d.%d.%d", a[0], a[1], a[2], a[3]);
1143 format_ip6_address (u8 * s, va_list * args)
1145 ip6_address_t *a = va_arg (*args, ip6_address_t *);
1146 u32 i, i_max_n_zero, max_n_zeros, i_first_zero, n_zeros, last_double_colon;
1148 i_max_n_zero = ARRAY_LEN (a->as_u16);
1150 i_first_zero = i_max_n_zero;
1152 for (i = 0; i < ARRAY_LEN (a->as_u16); i++)
1154 u32 is_zero = a->as_u16[i] == 0;
1155 if (is_zero && i_first_zero >= ARRAY_LEN (a->as_u16))
1161 if ((!is_zero && n_zeros > max_n_zeros)
1162 || (i + 1 >= ARRAY_LEN (a->as_u16) && n_zeros > max_n_zeros))
1164 i_max_n_zero = i_first_zero;
1165 max_n_zeros = n_zeros;
1166 i_first_zero = ARRAY_LEN (a->as_u16);
1171 last_double_colon = 0;
1172 for (i = 0; i < ARRAY_LEN (a->as_u16); i++)
1174 if (i == i_max_n_zero && max_n_zeros > 1)
1176 s = format (s, "::");
1177 i += max_n_zeros - 1;
1178 last_double_colon = 1;
1182 s = format (s, "%s%x",
1183 (last_double_colon || i == 0) ? "" : ":",
1184 clib_net_to_host_u16 (a->as_u16[i]));
1185 last_double_colon = 0;
1192 /* Format an IP46 address. */
1194 format_ip46_address (u8 * s, va_list * args)
1196 ip46_address_t *ip46 = va_arg (*args, ip46_address_t *);
1197 ip46_type_t type = va_arg (*args, ip46_type_t);
1203 is_ip4 = ip46_address_is_ip4 (ip46);
1214 format (s, "%U", format_ip4_address, &ip46->ip4) :
1215 format (s, "%U", format_ip6_address, &ip46->ip6);
1219 vppcom_send_accept_session_reply (u64 handle, u32 context, int retval)
1221 vl_api_accept_session_reply_t *rmp;
1223 rmp = vl_msg_api_alloc (sizeof (*rmp));
1224 memset (rmp, 0, sizeof (*rmp));
1225 rmp->_vl_msg_id = ntohs (VL_API_ACCEPT_SESSION_REPLY);
1226 rmp->retval = htonl (retval);
1227 rmp->context = context;
1228 rmp->handle = handle;
1229 vl_msg_api_send_shmem (vcm->vl_input_queue, (u8 *) & rmp);
1233 vl_api_accept_session_t_handler (vl_api_accept_session_t * mp)
1235 svm_fifo_t *rx_fifo, *tx_fifo;
1236 session_t *session, *listen_session;
1239 clib_spinlock_lock (&vcm->sessions_lockp);
1240 if (!clib_fifo_free_elts (vcm->client_session_index_fifo))
1242 clib_warning ("VCL<%d>: client session queue is full!", getpid ());
1243 vppcom_send_accept_session_reply (mp->handle, mp->context,
1244 VNET_API_ERROR_QUEUE_FULL);
1245 clib_spinlock_unlock (&vcm->sessions_lockp);
1249 listen_session = vppcom_session_table_lookup_listener (mp->listener_handle);
1250 if (!listen_session)
1252 clib_warning ("VCL<%d>: ERROR: couldn't find listen session: "
1253 "unknown vpp listener handle %llx",
1254 getpid (), mp->listener_handle);
1255 clib_spinlock_unlock (&vcm->sessions_lockp);
1259 /* Allocate local session and set it up */
1260 pool_get (vcm->sessions, session);
1261 memset (session, 0, sizeof (*session));
1262 session_index = session - vcm->sessions;
1264 rx_fifo = uword_to_pointer (mp->server_rx_fifo, svm_fifo_t *);
1265 rx_fifo->client_session_index = session_index;
1266 tx_fifo = uword_to_pointer (mp->server_tx_fifo, svm_fifo_t *);
1267 tx_fifo->client_session_index = session_index;
1269 session->vpp_handle = mp->handle;
1270 session->client_context = mp->context;
1271 session->rx_fifo = rx_fifo;
1272 session->tx_fifo = tx_fifo;
1273 session->vpp_event_queue = uword_to_pointer (mp->vpp_event_queue_address,
1275 session->state = STATE_ACCEPT;
1276 session->peer_port = mp->port;
1277 session->peer_addr.is_ip4 = mp->is_ip4;
1278 clib_memcpy (&session->peer_addr.ip46, mp->ip,
1279 sizeof (session->peer_addr.ip46));
1281 /* Add it to lookup table */
1282 hash_set (vcm->session_index_by_vpp_handles, mp->handle, session_index);
1283 session->lcl_port = listen_session->lcl_port;
1284 session->lcl_addr = listen_session->lcl_addr;
1286 /* TBD: move client_session_index_fifo into listener session */
1287 clib_fifo_add1 (vcm->client_session_index_fifo, session_index);
1289 if (VPPCOM_DEBUG > 1)
1290 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: client accept "
1291 "request from %s address %U port %d queue %p!", getpid (),
1292 mp->handle, session_index, mp->is_ip4 ? "IPv4" : "IPv6",
1293 format_ip46_address, &mp->ip, mp->is_ip4,
1294 clib_net_to_host_u16 (mp->port), session->vpp_event_queue);
1296 if (VPPCOM_DEBUG > 0)
1298 session->elog_track.name =
1299 (char *) format (0, "C:%d:S:%d%c", vcm->my_client_index,
1301 elog_track_register (&vcm->elog_main, &session->elog_track);
1303 if (session->peer_addr.is_ip4)
1306 ELOG_TYPE_DECLARE (e) =
1309 "client_accept:handle:%x addr:%d.%d.%d.%d:%d",
1310 .format_args = "i8i1i1i1i1i2",
1313 CLIB_PACKED (struct {
1319 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
1321 ed->handle = mp->handle;
1322 ed->addr[0] = session->peer_addr.ip46.ip4.as_u8[0];
1323 ed->addr[1] = session->peer_addr.ip46.ip4.as_u8[1];
1324 ed->addr[2] = session->peer_addr.ip46.ip4.as_u8[2];
1325 ed->addr[3] = session->peer_addr.ip46.ip4.as_u8[3];
1326 ed->port = clib_net_to_host_u16 (session->peer_port);
1331 clib_warning ("ip6");
1334 clib_spinlock_unlock (&vcm->sessions_lockp);
1339 vppcom_send_connect_session_reply (session_t * session, u32 session_index,
1340 u64 vpp_handle, u32 context, int retval)
1342 vl_api_connect_session_reply_t *rmp;
1344 svm_queue_t *client_q;
1346 rmp = vl_msg_api_alloc (sizeof (*rmp));
1347 memset (rmp, 0, sizeof (*rmp));
1348 rmp->_vl_msg_id = ntohs (VL_API_CONNECT_SESSION_REPLY);
1352 rmp->context = context;
1353 rmp->handle = vpp_handle;
1354 rmp->retval = htonl (retval);
1355 vl_msg_api_send_shmem (vcm->vl_input_queue, (u8 *) & rmp);
1359 rmp->context = session->client_context;
1360 rmp->retval = htonl (retval);
1361 rmp->handle = session->vpp_handle;
1362 rmp->server_rx_fifo = pointer_to_uword (session->rx_fifo);
1363 rmp->server_tx_fifo = pointer_to_uword (session->tx_fifo);
1364 rmp->vpp_event_queue_address = pointer_to_uword (session->vpp_event_queue);
1365 rmp->segment_size = vcm->cfg.segment_size;
1366 len = vec_len (session->segment_name);
1367 rmp->segment_name_length = clib_min (len, sizeof (rmp->segment_name));
1368 clib_memcpy (rmp->segment_name, session->segment_name,
1369 rmp->segment_name_length - 1);
1370 clib_memcpy (rmp->lcl_ip, session->peer_addr.ip46.as_u8,
1371 sizeof (rmp->lcl_ip));
1372 rmp->is_ip4 = session->peer_addr.is_ip4;
1373 rmp->lcl_port = session->peer_port;
1374 client_q = uword_to_pointer (session->client_queue_address, svm_queue_t *);
1376 vl_msg_api_send_shmem (client_q, (u8 *) & rmp);
1380 * Acting as server for redirected connect requests
1383 vl_api_connect_sock_t_handler (vl_api_connect_sock_t * mp)
1386 session_t *session = 0;
1388 clib_spinlock_lock (&vcm->sessions_lockp);
1389 if (!clib_fifo_free_elts (vcm->client_session_index_fifo))
1391 clib_spinlock_unlock (&vcm->sessions_lockp);
1393 if (VPPCOM_DEBUG > 1)
1394 clib_warning ("VCL<%d>: client session queue is full!", getpid ());
1396 /* TBD: Fix api to include vpp handle */
1397 vppcom_send_connect_session_reply (0 /* session */ , 0 /* sid */ ,
1398 0 /* handle */ , mp->context,
1399 VNET_API_ERROR_QUEUE_FULL);
1403 pool_get (vcm->sessions, session);
1404 memset (session, 0, sizeof (*session));
1405 session_index = session - vcm->sessions;
1407 session->client_context = mp->context;
1408 session->vpp_handle = session_index;
1409 session->client_queue_address = mp->client_queue_address;
1410 session->lcl_port = mp->port;
1411 session->lcl_addr.is_ip4 = mp->is_ip4;
1412 clib_memcpy (&session->lcl_addr.ip46, mp->ip,
1413 sizeof (session->lcl_addr.ip46));
1415 /* TBD: missing peer info in api msg.
1417 session->peer_addr.is_ip4 = mp->is_ip4;
1418 ASSERT (session->lcl_addr.is_ip4 == session->peer_addr.is_ip4);
1420 session->state = STATE_ACCEPT;
1421 clib_fifo_add1 (vcm->client_session_index_fifo, session_index);
1422 if (VPPCOM_DEBUG > 1)
1423 clib_warning ("VCL<%d>: sid %u: Got a cut-thru connect request! "
1424 "clib_fifo_elts %u!\n", getpid (), session_index,
1425 clib_fifo_elts (vcm->client_session_index_fifo));
1427 if (VPPCOM_DEBUG > 0)
1429 session->elog_track.name =
1430 (char *) format (0, "C:%d:S:%d%c", vcm->my_client_index,
1432 elog_track_register (&vcm->elog_main, &session->elog_track);
1435 ELOG_TYPE_DECLARE (e) =
1437 .format = "cut-thru-connect:S:%d clib_fifo_elts:%d",
1438 .format_args = "i4i4",
1446 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
1448 ed->data[0] = session_index;
1449 ed->data[1] = clib_fifo_elts (vcm->client_session_index_fifo);
1453 clib_spinlock_unlock (&vcm->sessions_lockp);
1457 vppcom_send_bind_sock (session_t * session, u32 session_index)
1459 vl_api_bind_sock_t *bmp;
1461 /* Assumes caller has acquired spinlock: vcm->sessions_lockp */
1462 bmp = vl_msg_api_alloc (sizeof (*bmp));
1463 memset (bmp, 0, sizeof (*bmp));
1465 bmp->_vl_msg_id = ntohs (VL_API_BIND_SOCK);
1466 bmp->client_index = vcm->my_client_index;
1467 bmp->context = session_index;
1468 bmp->is_ip4 = session->lcl_addr.is_ip4;
1469 clib_memcpy (bmp->ip, &session->lcl_addr.ip46, sizeof (bmp->ip));
1470 bmp->port = session->lcl_port;
1471 bmp->proto = session->proto;
1472 clib_memcpy (bmp->options, session->options, sizeof (bmp->options));
1473 vl_msg_api_send_shmem (vcm->vl_input_queue, (u8 *) & bmp);
1477 vppcom_send_unbind_sock (u64 vpp_handle)
1479 vl_api_unbind_sock_t *ump;
1481 ump = vl_msg_api_alloc (sizeof (*ump));
1482 memset (ump, 0, sizeof (*ump));
1484 ump->_vl_msg_id = ntohs (VL_API_UNBIND_SOCK);
1485 ump->client_index = vcm->my_client_index;
1486 ump->handle = vpp_handle;
1487 vl_msg_api_send_shmem (vcm->vl_input_queue, (u8 *) & ump);
1491 vppcom_session_unbind (u32 session_index)
1493 session_t *session = 0;
1496 elog_track_t session_elog_track;
1498 VCL_LOCK_AND_GET_SESSION (session_index, &session);
1500 vpp_handle = session->vpp_handle;
1501 vppcom_session_table_del_listener (vpp_handle);
1502 session->vpp_handle = ~0;
1503 session->state = STATE_DISCONNECT;
1504 session_elog_track = session->elog_track;
1506 clib_spinlock_unlock (&vcm->sessions_lockp);
1508 if (VPPCOM_DEBUG > 1)
1509 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
1510 "sending unbind msg! new state 0x%x (%s)",
1511 getpid (), vpp_handle, session_index,
1513 vppcom_session_state_str (STATE_DISCONNECT));
1515 if (VPPCOM_DEBUG > 0)
1518 ELOG_TYPE_DECLARE (e) =
1520 .format = "unbind: handle:%x",
1521 .format_args = "i8",
1529 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session_elog_track);
1530 ed->handle = vpp_handle;
1534 vppcom_send_unbind_sock (vpp_handle);
1541 vppcom_session_disconnect (u32 session_index)
1546 session_state_t state;
1548 VCL_LOCK_AND_GET_SESSION (session_index, &session);
1550 vpp_handle = session->vpp_handle;
1551 state = session->state;
1552 clib_spinlock_unlock (&vcm->sessions_lockp);
1554 if (VPPCOM_DEBUG > 1)
1556 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u "
1558 getpid (), vpp_handle, session_index,
1559 state, vppcom_session_state_str (state));
1562 if (PREDICT_FALSE (state & STATE_LISTEN))
1564 clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: "
1565 "Cannot disconnect a listen socket!",
1566 getpid (), vpp_handle, session_index);
1571 /* The peer has already initiated the close,
1572 * so send the disconnect session reply.
1574 if (state & STATE_CLOSE_ON_EMPTY)
1576 //XXX alagalah - Check and drain here?
1577 vppcom_send_disconnect_session_reply (vpp_handle,
1578 session_index, 0 /* rv */ );
1579 if (VPPCOM_DEBUG > 1)
1580 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
1581 "sending disconnect REPLY...",
1582 getpid (), vpp_handle, session_index);
1585 /* Otherwise, send a disconnect session msg...
1589 if (VPPCOM_DEBUG > 1)
1590 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
1591 "sending disconnect...",
1592 getpid (), vpp_handle, session_index);
1594 vppcom_send_disconnect_session (vpp_handle, session_index);
1601 #define foreach_sock_msg \
1602 _(SESSION_ENABLE_DISABLE_REPLY, session_enable_disable_reply) \
1603 _(BIND_SOCK_REPLY, bind_sock_reply) \
1604 _(UNBIND_SOCK_REPLY, unbind_sock_reply) \
1605 _(ACCEPT_SESSION, accept_session) \
1606 _(CONNECT_SOCK, connect_sock) \
1607 _(CONNECT_SESSION_REPLY, connect_session_reply) \
1608 _(DISCONNECT_SESSION, disconnect_session) \
1609 _(DISCONNECT_SESSION_REPLY, disconnect_session_reply) \
1610 _(RESET_SESSION, reset_session) \
1611 _(APPLICATION_ATTACH_REPLY, application_attach_reply) \
1612 _(APPLICATION_DETACH_REPLY, application_detach_reply) \
1613 _(MAP_ANOTHER_SEGMENT, map_another_segment) \
1614 _(UNMAP_SEGMENT, unmap_segment)
1617 vppcom_api_hookup (void)
1620 vl_msg_api_set_handlers(VL_API_##N, #n, \
1621 vl_api_##n##_t_handler, \
1623 vl_api_##n##_t_endian, \
1624 vl_api_##n##_t_print, \
1625 sizeof(vl_api_##n##_t), 1);
1631 vppcom_cfg_init (vppcom_cfg_t * vcl_cfg)
1635 vcl_cfg->heapsize = (256ULL << 20);
1636 vcl_cfg->vpp_api_q_length = 1024;
1637 vcl_cfg->segment_baseva = 0x200000000ULL;
1638 vcl_cfg->segment_size = (256 << 20);
1639 vcl_cfg->add_segment_size = (128 << 20);
1640 vcl_cfg->preallocated_fifo_pairs = 8;
1641 vcl_cfg->rx_fifo_size = (1 << 20);
1642 vcl_cfg->tx_fifo_size = (1 << 20);
1643 vcl_cfg->event_queue_size = 2048;
1644 vcl_cfg->listen_queue_size = CLIB_CACHE_LINE_BYTES / sizeof (u32);
1645 vcl_cfg->app_timeout = 10 * 60.0;
1646 vcl_cfg->session_timeout = 10 * 60.0;
1647 vcl_cfg->accept_timeout = 60.0;
1648 vcl_cfg->event_ring_size = (128 << 10);
1649 vcl_cfg->event_log_path = "/dev/shm";
1653 vppcom_cfg_heapsize (char *conf_fname)
1655 vppcom_cfg_t *vcl_cfg = &vcm->cfg;
1668 fp = fopen (conf_fname, "r");
1671 if (VPPCOM_DEBUG > 0)
1672 clib_warning ("VCL<%d>: using default heapsize %lld (0x%llx)",
1673 getpid (), vcl_cfg->heapsize, vcl_cfg->heapsize);
1677 argv = calloc (1, sizeof (char *));
1680 if (VPPCOM_DEBUG > 0)
1681 clib_warning ("VCL<%d>: calloc failed, using default "
1682 "heapsize %lld (0x%llx)",
1683 getpid (), vcl_cfg->heapsize, vcl_cfg->heapsize);
1689 if (fgets (inbuf, 4096, fp) == 0)
1691 p = strtok (inbuf, " \t\n");
1697 char **tmp = realloc (argv, argc * sizeof (char *));
1700 if (VPPCOM_DEBUG > 0)
1701 clib_warning ("VCL<%d>: realloc failed, "
1702 "using default heapsize %lld (0x%llx)",
1703 getpid (), vcl_cfg->heapsize,
1708 arg = strndup (p, 1024);
1711 if (VPPCOM_DEBUG > 0)
1712 clib_warning ("VCL<%d>: strndup failed, "
1713 "using default heapsize %lld (0x%llx)",
1714 getpid (), vcl_cfg->heapsize,
1718 argv[argc - 1] = arg;
1719 p = strtok (NULL, " \t\n");
1726 char **tmp = realloc (argv, (argc + 1) * sizeof (char *));
1729 if (VPPCOM_DEBUG > 0)
1730 clib_warning ("VCL<%d>: realloc failed, "
1731 "using default heapsize %lld (0x%llx)",
1732 getpid (), vcl_cfg->heapsize, vcl_cfg->heapsize);
1739 * Look for and parse the "heapsize" config parameter.
1740 * Manual since none of the clib infra has been bootstrapped yet.
1742 * Format: heapsize <nn>[mM][gG]
1745 for (i = 1; i < (argc - 1); i++)
1747 if (!strncmp (argv[i], "heapsize", 8))
1749 sizep = (u8 *) argv[i + 1];
1751 while (*sizep >= '0' && *sizep <= '9')
1754 size += *sizep++ - '0';
1758 if (VPPCOM_DEBUG > 0)
1759 clib_warning ("VCL<%d>: parse error '%s %s', "
1760 "using default heapsize %lld (0x%llx)",
1761 getpid (), argv[i], argv[i + 1],
1762 vcl_cfg->heapsize, vcl_cfg->heapsize);
1766 if (*sizep == 'g' || *sizep == 'G')
1767 vcl_cfg->heapsize = size << 30;
1768 else if (*sizep == 'm' || *sizep == 'M')
1769 vcl_cfg->heapsize = size << 20;
1772 if (VPPCOM_DEBUG > 0)
1773 clib_warning ("VCL<%d>: parse error '%s %s', "
1774 "using default heapsize %lld (0x%llx)",
1775 getpid (), argv[i], argv[i + 1],
1776 vcl_cfg->heapsize, vcl_cfg->heapsize);
1788 vcl_mem = mmap (0, vcl_cfg->heapsize, PROT_READ | PROT_WRITE,
1789 MAP_SHARED | MAP_ANONYMOUS, -1, 0);
1790 if (vcl_mem == MAP_FAILED)
1792 clib_unix_error ("VCL<%d>: ERROR: mmap(0, %lld == 0x%llx, "
1793 "PROT_READ | PROT_WRITE,MAP_SHARED | MAP_ANONYMOUS, "
1795 getpid (), vcl_cfg->heapsize, vcl_cfg->heapsize);
1796 ASSERT (vcl_mem != MAP_FAILED);
1799 heap = clib_mem_init (vcl_mem, vcl_cfg->heapsize);
1802 clib_warning ("VCL<%d>: ERROR: clib_mem_init() failed!", getpid ());
1806 vcl_mem = clib_mem_alloc (sizeof (_vppcom_main));
1809 clib_warning ("VCL<%d>: ERROR: clib_mem_alloc() failed!", getpid ());
1814 clib_memcpy (vcl_mem, &_vppcom_main, sizeof (_vppcom_main));
1817 if (VPPCOM_DEBUG > 0)
1818 clib_warning ("VCL<%d>: allocated VCL heap = %p, size %lld (0x%llx)",
1819 getpid (), heap, vcl_cfg->heapsize, vcl_cfg->heapsize);
1823 vppcom_cfg_read (char *conf_fname)
1825 vppcom_cfg_t *vcl_cfg = &vcm->cfg;
1827 unformat_input_t _input, *input = &_input;
1828 unformat_input_t _line_input, *line_input = &_line_input;
1829 u8 vc_cfg_input = 0;
1832 u32 uid, gid, q_len;
1834 fd = open (conf_fname, O_RDONLY);
1837 if (VPPCOM_DEBUG > 0)
1838 clib_warning ("VCL<%d>: using default configuration.",
1839 getpid (), conf_fname);
1843 if (fstat (fd, &s) < 0)
1845 if (VPPCOM_DEBUG > 0)
1846 clib_warning ("VCL<%d>: failed to stat `%s', "
1847 "using default configuration", getpid (), conf_fname);
1851 if (!(S_ISREG (s.st_mode) || S_ISLNK (s.st_mode)))
1853 if (VPPCOM_DEBUG > 0)
1854 clib_warning ("VCL<%d>: not a regular file `%s', "
1855 "using default configuration", getpid (), conf_fname);
1859 unformat_init_clib_file (input, fd);
1861 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
1863 (void) unformat_user (input, unformat_line_input, line_input);
1864 unformat_skip_white_space (line_input);
1866 if (unformat (line_input, "vcl {"))
1874 if (unformat (line_input, "heapsize %s", &chroot_path))
1876 vec_terminate_c_string (chroot_path);
1877 if (VPPCOM_DEBUG > 0)
1878 clib_warning ("VCL<%d>: configured heapsize %s, "
1879 "actual heapsize %lld (0x%llx)",
1880 getpid (), chroot_path, vcl_cfg->heapsize,
1882 vec_free (chroot_path);
1884 else if (unformat (line_input, "api-prefix %s", &chroot_path))
1886 vec_terminate_c_string (chroot_path);
1887 if (vcl_cfg->vpp_api_filename)
1888 vec_free (vcl_cfg->vpp_api_filename);
1889 vcl_cfg->vpp_api_filename = format (0, "/%s-vpe-api%c",
1891 vl_set_memory_root_path ((char *) chroot_path);
1893 if (VPPCOM_DEBUG > 0)
1894 clib_warning ("VCL<%d>: configured api-prefix (%s) and "
1895 "api filename (%s)", getpid (), chroot_path,
1896 vcl_cfg->vpp_api_filename);
1897 chroot_path = 0; /* Don't vec_free() it! */
1899 else if (unformat (line_input, "vpp-api-q-length %d", &q_len))
1901 if (q_len < vcl_cfg->vpp_api_q_length)
1903 clib_warning ("VCL<%d>: ERROR: configured vpp-api-q-length "
1904 "(%u) is too small! Using default: %u ",
1905 getpid (), q_len, vcl_cfg->vpp_api_q_length);
1909 vcl_cfg->vpp_api_q_length = q_len;
1911 if (VPPCOM_DEBUG > 0)
1912 clib_warning ("VCL<%d>: configured vpp-api-q-length %u",
1913 getpid (), vcl_cfg->vpp_api_q_length);
1916 else if (unformat (line_input, "uid %d", &uid))
1918 vl_set_memory_uid (uid);
1919 if (VPPCOM_DEBUG > 0)
1920 clib_warning ("VCL<%d>: configured uid %d", getpid (), uid);
1922 else if (unformat (line_input, "gid %d", &gid))
1924 vl_set_memory_gid (gid);
1925 if (VPPCOM_DEBUG > 0)
1926 clib_warning ("VCL<%d>: configured gid %d", getpid (), gid);
1928 else if (unformat (line_input, "segment-baseva 0x%lx",
1929 &vcl_cfg->segment_baseva))
1931 if (VPPCOM_DEBUG > 0)
1932 clib_warning ("VCL<%d>: configured segment_baseva 0x%lx",
1933 getpid (), vcl_cfg->segment_baseva);
1935 else if (unformat (line_input, "segment-size 0x%lx",
1936 &vcl_cfg->segment_size))
1938 if (VPPCOM_DEBUG > 0)
1939 clib_warning ("VCL<%d>: configured segment_size 0x%lx (%ld)",
1940 getpid (), vcl_cfg->segment_size,
1941 vcl_cfg->segment_size);
1943 else if (unformat (line_input, "segment-size %ld",
1944 &vcl_cfg->segment_size))
1946 if (VPPCOM_DEBUG > 0)
1947 clib_warning ("VCL<%d>: configured segment_size %ld (0x%lx)",
1948 getpid (), vcl_cfg->segment_size,
1949 vcl_cfg->segment_size);
1951 else if (unformat (line_input, "add-segment-size 0x%lx",
1952 &vcl_cfg->add_segment_size))
1954 if (VPPCOM_DEBUG > 0)
1956 ("VCL<%d>: configured add_segment_size 0x%lx (%ld)",
1957 getpid (), vcl_cfg->add_segment_size,
1958 vcl_cfg->add_segment_size);
1960 else if (unformat (line_input, "add-segment-size %ld",
1961 &vcl_cfg->add_segment_size))
1963 if (VPPCOM_DEBUG > 0)
1965 ("VCL<%d>: configured add_segment_size %ld (0x%lx)",
1966 getpid (), vcl_cfg->add_segment_size,
1967 vcl_cfg->add_segment_size);
1969 else if (unformat (line_input, "preallocated-fifo-pairs %d",
1970 &vcl_cfg->preallocated_fifo_pairs))
1972 if (VPPCOM_DEBUG > 0)
1973 clib_warning ("VCL<%d>: configured preallocated_fifo_pairs "
1974 "%d (0x%x)", getpid (),
1975 vcl_cfg->preallocated_fifo_pairs,
1976 vcl_cfg->preallocated_fifo_pairs);
1978 else if (unformat (line_input, "rx-fifo-size 0x%lx",
1979 &vcl_cfg->rx_fifo_size))
1981 if (VPPCOM_DEBUG > 0)
1982 clib_warning ("VCL<%d>: configured rx_fifo_size 0x%lx (%ld)",
1983 getpid (), vcl_cfg->rx_fifo_size,
1984 vcl_cfg->rx_fifo_size);
1986 else if (unformat (line_input, "rx-fifo-size %ld",
1987 &vcl_cfg->rx_fifo_size))
1989 if (VPPCOM_DEBUG > 0)
1990 clib_warning ("VCL<%d>: configured rx_fifo_size %ld (0x%lx)",
1991 getpid (), vcl_cfg->rx_fifo_size,
1992 vcl_cfg->rx_fifo_size);
1994 else if (unformat (line_input, "tx-fifo-size 0x%lx",
1995 &vcl_cfg->tx_fifo_size))
1997 if (VPPCOM_DEBUG > 0)
1998 clib_warning ("VCL<%d>: configured tx_fifo_size 0x%lx (%ld)",
1999 getpid (), vcl_cfg->tx_fifo_size,
2000 vcl_cfg->tx_fifo_size);
2002 else if (unformat (line_input, "tx-fifo-size %ld",
2003 &vcl_cfg->tx_fifo_size))
2005 if (VPPCOM_DEBUG > 0)
2006 clib_warning ("VCL<%d>: configured tx_fifo_size %ld (0x%lx)",
2007 getpid (), vcl_cfg->tx_fifo_size,
2008 vcl_cfg->tx_fifo_size);
2010 else if (unformat (line_input, "event-queue-size 0x%lx",
2011 &vcl_cfg->event_queue_size))
2013 if (VPPCOM_DEBUG > 0)
2014 clib_warning ("VCL<%d>: configured event_queue_size "
2016 getpid (), vcl_cfg->event_queue_size,
2017 vcl_cfg->event_queue_size);
2019 else if (unformat (line_input, "event-queue-size %ld",
2020 &vcl_cfg->event_queue_size))
2022 if (VPPCOM_DEBUG > 0)
2023 clib_warning ("VCL<%d>: configured event_queue_size "
2025 getpid (), vcl_cfg->event_queue_size,
2026 vcl_cfg->event_queue_size);
2028 else if (unformat (line_input, "listen-queue-size 0x%lx",
2029 &vcl_cfg->listen_queue_size))
2031 if (VPPCOM_DEBUG > 0)
2032 clib_warning ("VCL<%d>: configured listen_queue_size "
2034 getpid (), vcl_cfg->listen_queue_size,
2035 vcl_cfg->listen_queue_size);
2037 else if (unformat (line_input, "listen-queue-size %ld",
2038 &vcl_cfg->listen_queue_size))
2040 if (VPPCOM_DEBUG > 0)
2041 clib_warning ("VCL<%d>: configured listen_queue_size "
2043 getpid (), vcl_cfg->listen_queue_size,
2044 vcl_cfg->listen_queue_size);
2046 else if (unformat (line_input, "app-timeout %f",
2047 &vcl_cfg->app_timeout))
2049 if (VPPCOM_DEBUG > 0)
2050 clib_warning ("VCL<%d>: configured app_timeout %f",
2051 getpid (), vcl_cfg->app_timeout);
2053 else if (unformat (line_input, "session-timeout %f",
2054 &vcl_cfg->session_timeout))
2056 if (VPPCOM_DEBUG > 0)
2057 clib_warning ("VCL<%d>: configured session_timeout %f",
2058 getpid (), vcl_cfg->session_timeout);
2060 else if (unformat (line_input, "accept-timeout %f",
2061 &vcl_cfg->accept_timeout))
2063 if (VPPCOM_DEBUG > 0)
2064 clib_warning ("VCL<%d>: configured accept_timeout %f",
2065 getpid (), vcl_cfg->accept_timeout);
2067 else if (unformat (line_input, "app-proxy-transport-tcp"))
2069 vcl_cfg->app_proxy_transport_tcp = 1;
2070 if (VPPCOM_DEBUG > 0)
2071 clib_warning ("VCL<%d>: configured "
2072 "app_proxy_transport_tcp (%d)",
2073 getpid (), vcl_cfg->app_proxy_transport_tcp);
2075 else if (unformat (line_input, "app-proxy-transport-udp"))
2077 vcl_cfg->app_proxy_transport_udp = 1;
2078 if (VPPCOM_DEBUG > 0)
2079 clib_warning ("VCL<%d>: configured "
2080 "app_proxy_transport_udp (%d)",
2081 getpid (), vcl_cfg->app_proxy_transport_udp);
2083 else if (unformat (line_input, "app-scope-local"))
2085 vcl_cfg->app_scope_local = 1;
2086 if (VPPCOM_DEBUG > 0)
2087 clib_warning ("VCL<%d>: configured app_scope_local (%d)",
2088 getpid (), vcl_cfg->app_scope_local);
2090 else if (unformat (line_input, "app-scope-global"))
2092 vcl_cfg->app_scope_global = 1;
2093 if (VPPCOM_DEBUG > 0)
2094 clib_warning ("VCL<%d>: configured app_scope_global (%d)",
2095 getpid (), vcl_cfg->app_scope_global);
2097 else if (unformat (line_input, "namespace-secret %lu",
2098 &vcl_cfg->namespace_secret))
2100 if (VPPCOM_DEBUG > 0)
2102 ("VCL<%d>: configured namespace_secret %lu (0x%lx)",
2103 getpid (), vcl_cfg->namespace_secret,
2104 vcl_cfg->namespace_secret);
2106 else if (unformat (line_input, "namespace-id %v",
2107 &vcl_cfg->namespace_id))
2109 vl_api_application_attach_t *mp;
2110 u32 max_nsid_vec_len = sizeof (mp->namespace_id) - 1;
2111 u32 nsid_vec_len = vec_len (vcl_cfg->namespace_id);
2112 if (nsid_vec_len > max_nsid_vec_len)
2114 _vec_len (vcl_cfg->namespace_id) = max_nsid_vec_len;
2115 if (VPPCOM_DEBUG > 0)
2116 clib_warning ("VCL<%d>: configured namespace_id is "
2117 "too long, truncated to %d characters!",
2118 getpid (), max_nsid_vec_len);
2121 if (VPPCOM_DEBUG > 0)
2122 clib_warning ("VCL<%d>: configured namespace_id %v",
2123 getpid (), vcl_cfg->namespace_id);
2125 else if (unformat (line_input, "}"))
2128 if (VPPCOM_DEBUG > 0)
2129 clib_warning ("VCL<%d>: completed parsing vppcom config!",
2135 if (line_input->buffer[line_input->index] != '#')
2137 clib_warning ("VCL<%d>: Unknown vppcom config option: '%s'",
2139 &line_input->buffer[line_input->index]);
2146 unformat_free (input);
2154 * VPPCOM Public API functions
2157 vppcom_app_create (char *app_name)
2159 vppcom_cfg_t *vcl_cfg = &vcm->cfg;
2170 vppcom_cfg_init (vcl_cfg);
2171 env_var_str = getenv (VPPCOM_ENV_DEBUG);
2175 if (sscanf (env_var_str, "%u", &tmp) != 1)
2176 clib_warning ("VCL<%d>: WARNING: Invalid debug level specified "
2177 "in the environment variable " VPPCOM_ENV_DEBUG
2178 " (%s)!\n", getpid (), env_var_str);
2182 if (VPPCOM_DEBUG > 0)
2183 clib_warning ("VCL<%d>: configured VCL debug level (%u) from "
2184 VPPCOM_ENV_DEBUG "!", getpid (), vcm->debug);
2187 conf_fname = getenv (VPPCOM_ENV_CONF);
2189 conf_fname = VPPCOM_CONF_DEFAULT;
2190 vppcom_cfg_heapsize (conf_fname);
2191 vcl_cfg = &vcm->cfg;
2192 clib_fifo_validate (vcm->client_session_index_fifo,
2193 vcm->cfg.listen_queue_size);
2194 vppcom_cfg_read (conf_fname);
2196 env_var_str = getenv (VPPCOM_ENV_API_PREFIX);
2199 if (vcl_cfg->vpp_api_filename)
2200 vec_free (vcl_cfg->vpp_api_filename);
2201 vcl_cfg->vpp_api_filename = format (0, "/%s-vpe-api%c",
2203 vl_set_memory_root_path ((char *) env_var_str);
2205 if (VPPCOM_DEBUG > 0)
2206 clib_warning ("VCL<%d>: configured api prefix (%s) and "
2207 "filename (%s) from " VPPCOM_ENV_API_PREFIX "!",
2208 getpid (), env_var_str, vcl_cfg->vpp_api_filename);
2211 env_var_str = getenv (VPPCOM_ENV_APP_NAMESPACE_SECRET);
2215 if (sscanf (env_var_str, "%lu", &tmp) != 1)
2216 clib_warning ("VCL<%d>: WARNING: Invalid namespace secret "
2217 "specified in the environment variable "
2218 VPPCOM_ENV_APP_NAMESPACE_SECRET
2219 " (%s)!\n", getpid (), env_var_str);
2222 vcm->cfg.namespace_secret = tmp;
2223 if (VPPCOM_DEBUG > 0)
2224 clib_warning ("VCL<%d>: configured namespace secret "
2225 "(%lu) from " VPPCOM_ENV_APP_NAMESPACE_ID "!",
2226 getpid (), vcm->cfg.namespace_secret);
2229 env_var_str = getenv (VPPCOM_ENV_APP_NAMESPACE_ID);
2232 u32 ns_id_vec_len = strlen (env_var_str);
2234 vec_reset_length (vcm->cfg.namespace_id);
2235 vec_validate (vcm->cfg.namespace_id, ns_id_vec_len - 1);
2236 clib_memcpy (vcm->cfg.namespace_id, env_var_str, ns_id_vec_len);
2238 if (VPPCOM_DEBUG > 0)
2239 clib_warning ("VCL<%d>: configured namespace_id (%v) from "
2240 VPPCOM_ENV_APP_NAMESPACE_ID
2241 "!", getpid (), vcm->cfg.namespace_id);
2243 env_var_str = getenv (VPPCOM_ENV_APP_NAMESPACE_SECRET);
2247 if (sscanf (env_var_str, "%lu", &tmp) != 1)
2248 clib_warning ("VCL<%d>: WARNING: Invalid namespace secret "
2249 "specified in the environment variable "
2250 VPPCOM_ENV_APP_NAMESPACE_SECRET
2251 " (%s)!\n", getpid (), env_var_str);
2254 vcm->cfg.namespace_secret = tmp;
2255 if (VPPCOM_DEBUG > 0)
2256 clib_warning ("VCL<%d>: configured namespace secret "
2258 VPPCOM_ENV_APP_NAMESPACE_ID
2259 "!", getpid (), vcm->cfg.namespace_secret);
2262 if (getenv (VPPCOM_ENV_APP_PROXY_TRANSPORT_TCP))
2264 vcm->cfg.app_proxy_transport_tcp = 1;
2265 if (VPPCOM_DEBUG > 0)
2266 clib_warning ("VCL<%d>: configured app_proxy_transport_tcp "
2268 VPPCOM_ENV_APP_PROXY_TRANSPORT_TCP
2269 "!", getpid (), vcm->cfg.app_proxy_transport_tcp);
2271 if (getenv (VPPCOM_ENV_APP_PROXY_TRANSPORT_UDP))
2273 vcm->cfg.app_proxy_transport_udp = 1;
2274 if (VPPCOM_DEBUG > 0)
2275 clib_warning ("VCL<%d>: configured app_proxy_transport_udp "
2277 VPPCOM_ENV_APP_PROXY_TRANSPORT_UDP
2278 "!", getpid (), vcm->cfg.app_proxy_transport_udp);
2280 if (getenv (VPPCOM_ENV_APP_SCOPE_LOCAL))
2282 vcm->cfg.app_scope_local = 1;
2283 if (VPPCOM_DEBUG > 0)
2284 clib_warning ("VCL<%d>: configured app_scope_local (%u) from "
2285 VPPCOM_ENV_APP_SCOPE_LOCAL
2286 "!", getpid (), vcm->cfg.app_scope_local);
2288 if (getenv (VPPCOM_ENV_APP_SCOPE_GLOBAL))
2290 vcm->cfg.app_scope_global = 1;
2291 if (VPPCOM_DEBUG > 0)
2292 clib_warning ("VCL<%d>: configured app_scope_global (%u) from "
2293 VPPCOM_ENV_APP_SCOPE_GLOBAL
2294 "!", getpid (), vcm->cfg.app_scope_global);
2297 vcm->main_cpu = os_get_thread_index ();
2298 heap = clib_mem_get_per_cpu_heap ();
2299 h = mheap_header (heap);
2301 /* make the main heap thread-safe */
2302 h->flags |= MHEAP_FLAG_THREAD_SAFE;
2304 vcm->session_index_by_vpp_handles = hash_create (0, sizeof (uword));
2306 clib_time_init (&vcm->clib_time);
2307 vppcom_init_error_string_table ();
2308 svm_fifo_segment_main_init (vcl_cfg->segment_baseva,
2309 20 /* timeout in secs */ );
2310 clib_spinlock_init (&vcm->sessions_lockp);
2313 if (vcm->my_client_index == ~0)
2315 vppcom_api_hookup ();
2316 vcm->app_state = STATE_APP_START;
2317 rv = vppcom_connect_to_vpp (app_name);
2320 clib_warning ("VCL<%d>: ERROR: couldn't connect to VPP!",
2325 if (VPPCOM_DEBUG > 0)
2326 clib_warning ("VCL<%d>: sending session enable", getpid ());
2328 rv = vppcom_app_session_enable ();
2331 clib_warning ("VCL<%d>: ERROR: vppcom_app_session_enable() "
2332 "failed!", getpid ());
2336 if (VPPCOM_DEBUG > 0)
2337 clib_warning ("VCL<%d>: sending app attach", getpid ());
2339 rv = vppcom_app_attach ();
2342 clib_warning ("VCL<%d>: ERROR: vppcom_app_attach() failed!",
2347 if (VPPCOM_DEBUG > 0)
2348 clib_warning ("VCL<%d>: app_name '%s', my_client_index %d (0x%x)",
2349 getpid (), app_name, vcm->my_client_index,
2350 vcm->my_client_index);
2357 vppcom_app_destroy (void)
2361 if (vcm->my_client_index == ~0)
2364 if (VPPCOM_DEBUG > 0)
2365 clib_warning ("VCL<%d>: detaching from VPP, my_client_index %d (0x%x)",
2366 getpid (), vcm->my_client_index, vcm->my_client_index);
2368 if (VPPCOM_DEBUG > 0)
2371 ELOG_TYPE_DECLARE (e) =
2373 .format = "app_detach:C:%d",
2374 .format_args = "i4",
2381 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, vcm->elog_track);
2382 ed->data = vcm->my_client_index;
2386 vppcom_app_detach ();
2387 rv = vppcom_wait_for_app_state_change (STATE_APP_ENABLED);
2388 if (PREDICT_FALSE (rv))
2390 if (VPPCOM_DEBUG > 0)
2391 clib_warning ("VCL<%d>: application detach timed out! "
2392 "returning %d (%s)",
2393 getpid (), rv, vppcom_retval_str (rv));
2396 /* Finished with logging before client gets reset to ~0 */
2397 if (VPPCOM_DEBUG > 0)
2400 vl_client_disconnect_from_vlib ();
2401 vcm->my_client_index = ~0;
2402 vcm->app_state = STATE_APP_START;
2406 vppcom_session_create (u8 proto, u8 is_nonblocking)
2410 session_state_t state;
2411 elog_track_t session_elog_track;
2413 clib_spinlock_lock (&vcm->sessions_lockp);
2414 pool_get (vcm->sessions, session);
2415 memset (session, 0, sizeof (*session));
2416 session_index = session - vcm->sessions;
2418 session->proto = proto;
2419 session->state = STATE_START;
2420 state = session->state;
2421 session->vpp_handle = ~0;
2424 VCL_SESS_ATTR_SET (session->attr, VCL_SESS_ATTR_NONBLOCK);
2426 VCL_SESS_ATTR_CLR (session->attr, VCL_SESS_ATTR_NONBLOCK);
2428 if (VPPCOM_DEBUG > 0)
2430 session->elog_track.name =
2431 (char *) format (0, "C:%d:S:%d%c", vcm->my_client_index,
2433 elog_track_register (&vcm->elog_main, &session->elog_track);
2434 session_elog_track = session->elog_track;
2437 clib_spinlock_unlock (&vcm->sessions_lockp);
2439 if (VPPCOM_DEBUG > 0)
2440 clib_warning ("VCL<%d>: sid %u", getpid (), session_index);
2442 if (VPPCOM_DEBUG > 0)
2445 ELOG_TYPE_DECLARE (e) =
2447 .format = "session_create:proto:%d state:%d is_nonblocking:%d",
2448 .format_args = "i4i4i4",
2456 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session_elog_track);
2457 ed->data[0] = proto;
2458 ed->data[1] = state;
2459 ed->data[2] = is_nonblocking;
2463 return (int) session_index;
2467 vppcom_session_close (uint32_t session_index)
2469 session_t *session = 0;
2477 session_state_t state;
2478 elog_track_t session_elog_track;
2480 VCL_LOCK_AND_GET_SESSION (session_index, &session);
2481 is_vep = session->is_vep;
2482 is_vep_session = session->is_vep_session;
2483 next_sid = session->vep.next_sid;
2484 vep_idx = session->vep.vep_idx;
2485 state = session->state;
2486 vpp_handle = session->vpp_handle;
2487 clib_spinlock_unlock (&vcm->sessions_lockp);
2490 * Why two if(VPPCOM_DEBUG) checks?
2492 * Eventually all clib_warnings need their own way of being
2493 * logged and signalled (like severity) where event logging
2494 * is a separate debugging tool. It will make the separation
2495 * easier. ... parting is such sweet sorrow ...
2497 if (VPPCOM_DEBUG > 0)
2499 session_elog_track = session->elog_track;
2502 if (VPPCOM_DEBUG > 0)
2505 clib_warning ("VCL<%d>: vep_idx %u / sid %u: "
2506 "closing epoll session...",
2507 getpid (), session_index, session_index);
2509 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %d: "
2510 "closing session...",
2511 getpid (), vpp_handle, session_index);
2516 while (next_sid != ~0)
2518 rv = vppcom_epoll_ctl (session_index, EPOLL_CTL_DEL, next_sid, 0);
2519 if ((VPPCOM_DEBUG > 0) && PREDICT_FALSE (rv < 0))
2520 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
2521 "EPOLL_CTL_DEL vep_idx %u failed! rv %d (%s)",
2522 getpid (), vpp_handle, next_sid, vep_idx,
2523 rv, vppcom_retval_str (rv));
2525 VCL_LOCK_AND_GET_SESSION (session_index, &session);
2526 next_sid = session->vep.next_sid;
2527 clib_spinlock_unlock (&vcm->sessions_lockp);
2534 rv = vppcom_epoll_ctl (vep_idx, EPOLL_CTL_DEL, session_index, 0);
2535 if ((VPPCOM_DEBUG > 0) && (rv < 0))
2536 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
2537 "EPOLL_CTL_DEL vep_idx %u failed! rv %d (%s)",
2538 getpid (), vpp_handle, session_index,
2539 vep_idx, rv, vppcom_retval_str (rv));
2542 if (state & STATE_LISTEN)
2544 rv = vppcom_session_unbind (session_index);
2545 if (PREDICT_FALSE (rv < 0))
2547 if (VPPCOM_DEBUG > 0)
2548 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
2549 "listener unbind failed! rv %d (%s)",
2550 getpid (), vpp_handle, session_index,
2551 rv, vppcom_retval_str (rv));
2555 else if (state & (CLIENT_STATE_OPEN | SERVER_STATE_OPEN))
2557 rv = vppcom_session_disconnect (session_index);
2558 if (PREDICT_FALSE (rv < 0))
2559 clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: "
2560 "session disconnect failed! rv %d (%s)",
2561 getpid (), vpp_handle, session_index,
2562 rv, vppcom_retval_str (rv));
2566 VCL_LOCK_AND_GET_SESSION (session_index, &session);
2567 vpp_handle = session->vpp_handle;
2568 if (vpp_handle != ~0)
2570 p = hash_get (vcm->session_index_by_vpp_handles, vpp_handle);
2572 hash_unset (vcm->session_index_by_vpp_handles, vpp_handle);
2574 pool_put_index (vcm->sessions, session_index);
2576 clib_spinlock_unlock (&vcm->sessions_lockp);
2578 if (VPPCOM_DEBUG > 0)
2581 clib_warning ("VCL<%d>: vep_idx %u / sid %u: epoll session removed.",
2582 getpid (), session_index, session_index);
2584 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: session removed.",
2585 getpid (), vpp_handle, session_index);
2589 if (VPPCOM_DEBUG > 0)
2592 ELOG_TYPE_DECLARE (e) =
2594 .format = "session_close:rv:%d",
2595 .format_args = "i4",
2603 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session_elog_track);
2612 vppcom_session_bind (uint32_t session_index, vppcom_endpt_t * ep)
2614 session_t *session = 0;
2618 return VPPCOM_EINVAL;
2620 VCL_LOCK_AND_GET_SESSION (session_index, &session);
2622 if (session->is_vep)
2624 clib_spinlock_unlock (&vcm->sessions_lockp);
2625 clib_warning ("VCL<%d>: ERROR: sid %u: cannot "
2626 "bind to an epoll session!", getpid (), session_index);
2631 session->lcl_addr.is_ip4 = ep->is_ip4;
2632 session->lcl_addr.ip46 = to_ip46 (!ep->is_ip4, ep->ip);
2633 session->lcl_port = ep->port;
2635 if (VPPCOM_DEBUG > 0)
2636 clib_warning ("VCL<%d>: sid %u: binding to local %s address %U "
2637 "port %u, proto %s", getpid (), session_index,
2638 session->lcl_addr.is_ip4 ? "IPv4" : "IPv6",
2639 format_ip46_address, &session->lcl_addr.ip46,
2640 session->lcl_addr.is_ip4,
2641 clib_net_to_host_u16 (session->lcl_port),
2642 session->proto ? "UDP" : "TCP");
2644 if (VPPCOM_DEBUG > 0)
2646 if (session->lcl_addr.is_ip4)
2649 ELOG_TYPE_DECLARE (e) =
2651 .format = "bind local:%s:%d.%d.%d.%d:%d ",
2652 .format_args = "t1i1i1i1i1i2",
2653 .n_enum_strings = 2,
2654 .enum_strings = {"TCP", "UDP",},
2657 CLIB_PACKED (struct {
2663 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
2664 ed->proto = session->proto;
2665 ed->addr[0] = session->lcl_addr.ip46.ip4.as_u8[0];
2666 ed->addr[1] = session->lcl_addr.ip46.ip4.as_u8[1];
2667 ed->addr[2] = session->lcl_addr.ip46.ip4.as_u8[2];
2668 ed->addr[3] = session->lcl_addr.ip46.ip4.as_u8[3];
2669 ed->port = clib_net_to_host_u16 (session->lcl_port);
2674 clib_spinlock_unlock (&vcm->sessions_lockp);
2680 vppcom_session_listen (uint32_t listen_session_index, uint32_t q_len)
2682 session_t *listen_session = 0;
2683 u64 listen_vpp_handle;
2686 if (q_len == 0 || q_len == ~0)
2687 q_len = vcm->cfg.listen_queue_size;
2689 VCL_LOCK_AND_GET_SESSION (listen_session_index, &listen_session);
2691 if (listen_session->is_vep)
2693 clib_spinlock_unlock (&vcm->sessions_lockp);
2694 clib_warning ("VCL<%d>: ERROR: sid %u: cannot listen on an "
2695 "epoll session!", getpid (), listen_session_index);
2700 listen_vpp_handle = listen_session->vpp_handle;
2701 if (listen_session->state & STATE_LISTEN)
2703 clib_spinlock_unlock (&vcm->sessions_lockp);
2704 if (VPPCOM_DEBUG > 0)
2705 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
2706 "already in listen state!",
2707 getpid (), listen_vpp_handle, listen_session_index);
2712 if (VPPCOM_DEBUG > 0)
2713 clib_warning ("VCL<%d>: vpp handle 0x%llx, "
2714 "sid %u: sending bind request...",
2715 getpid (), listen_vpp_handle, listen_session_index);
2717 vppcom_send_bind_sock (listen_session, listen_session_index);
2718 clib_spinlock_unlock (&vcm->sessions_lockp);
2720 vppcom_wait_for_session_state_change (listen_session_index, STATE_LISTEN,
2721 vcm->cfg.session_timeout);
2723 VCL_LOCK_AND_GET_SESSION (listen_session_index, &listen_session);
2724 if (PREDICT_FALSE (retval))
2726 if (VPPCOM_DEBUG > 0)
2727 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: bind failed! "
2728 "returning %d (%s)", getpid (),
2729 listen_session->vpp_handle, listen_session_index,
2730 retval, vppcom_retval_str (retval));
2731 clib_spinlock_unlock (&vcm->sessions_lockp);
2736 clib_fifo_validate (vcm->client_session_index_fifo, q_len);
2737 clib_spinlock_unlock (&vcm->sessions_lockp);
2743 vppcom_session_accept (uint32_t listen_session_index, vppcom_endpt_t * ep,
2746 session_t *listen_session = 0;
2747 session_t *client_session = 0;
2748 u32 client_session_index = ~0;
2751 u64 listen_vpp_handle;
2753 VCL_LOCK_AND_GET_SESSION (listen_session_index, &listen_session);
2755 if (listen_session->is_vep)
2757 clib_spinlock_unlock (&vcm->sessions_lockp);
2758 clib_warning ("VCL<%d>: ERROR: sid %u: cannot accept on an "
2759 "epoll session!", getpid (), listen_session_index);
2764 listen_vpp_handle = listen_session->vpp_handle;
2765 if (listen_session->state != STATE_LISTEN)
2767 clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: "
2768 "not in listen state! state 0x%x (%s)", getpid (),
2769 listen_vpp_handle, listen_session_index,
2770 listen_session->state,
2771 vppcom_session_state_str (listen_session->state));
2772 clib_spinlock_unlock (&vcm->sessions_lockp);
2776 wait_for = (VCL_SESS_ATTR_TEST (listen_session->attr,
2777 VCL_SESS_ATTR_NONBLOCK))
2778 ? 0 : vcm->cfg.accept_timeout;
2780 clib_spinlock_unlock (&vcm->sessions_lockp);
2784 rv = vppcom_wait_for_client_session_index (wait_for);
2787 if ((VPPCOM_DEBUG > 0))
2788 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
2789 "accept failed! returning %d (%s)", getpid (),
2790 listen_vpp_handle, listen_session_index,
2791 rv, vppcom_retval_str (rv));
2799 clib_spinlock_lock (&vcm->sessions_lockp);
2800 clib_fifo_sub1 (vcm->client_session_index_fifo, client_session_index);
2801 rv = vppcom_session_at_index (client_session_index, &client_session);
2802 if (PREDICT_FALSE (rv))
2804 rv = VPPCOM_ECONNABORTED;
2805 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: client sid %u "
2806 "lookup failed! returning %d (%s)", getpid (),
2807 listen_vpp_handle, listen_session_index,
2808 client_session_index, rv, vppcom_retval_str (rv));
2812 if (flags & O_NONBLOCK)
2813 VCL_SESS_ATTR_SET (client_session->attr, VCL_SESS_ATTR_NONBLOCK);
2815 VCL_SESS_ATTR_CLR (client_session->attr, VCL_SESS_ATTR_NONBLOCK);
2817 if (VPPCOM_DEBUG > 0)
2818 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: Got a client request! "
2819 "vpp handle 0x%llx, sid %u, flags %d, is_nonblocking %u",
2820 getpid (), listen_vpp_handle, listen_session_index,
2821 client_session->vpp_handle, client_session_index,
2822 flags, VCL_SESS_ATTR_TEST (client_session->attr,
2823 VCL_SESS_ATTR_NONBLOCK));
2827 ep->is_ip4 = client_session->peer_addr.is_ip4;
2828 ep->port = client_session->peer_port;
2829 if (client_session->peer_addr.is_ip4)
2830 clib_memcpy (ep->ip, &client_session->peer_addr.ip46.ip4,
2831 sizeof (ip4_address_t));
2833 clib_memcpy (ep->ip, &client_session->peer_addr.ip46.ip6,
2834 sizeof (ip6_address_t));
2837 vppcom_send_accept_session_reply (client_session->vpp_handle,
2838 client_session->client_context,
2839 0 /* retval OK */ );
2841 if (VPPCOM_DEBUG > 0)
2842 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: accepted vpp handle "
2843 "0x%llx, sid %u connection to local %s address "
2844 "%U port %u", getpid (), listen_vpp_handle,
2845 listen_session_index, client_session->vpp_handle,
2846 client_session_index,
2847 client_session->lcl_addr.is_ip4 ? "IPv4" : "IPv6",
2848 format_ip46_address, &client_session->lcl_addr.ip46,
2849 client_session->lcl_addr.is_ip4,
2850 clib_net_to_host_u16 (client_session->lcl_port));
2852 if (VPPCOM_DEBUG > 0)
2854 client_session->elog_track.name =
2855 (char *) format (0, "C:%d:S:%d%c", vcm->my_client_index,
2856 client_session_index, 0);
2857 elog_track_register (&vcm->elog_main, &client_session->elog_track);
2859 // Two elog entries due to 20-byte per entry constraint.
2861 ELOG_TYPE_DECLARE (e) =
2863 .format = "accept: listen_handle:%x from_handle:%x",
2864 .format_args = "i8i8",
2872 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, client_session->elog_track);
2873 ed->handle[0] = listen_vpp_handle;
2874 ed->handle[1] = client_session->vpp_handle;
2877 if (client_session->lcl_addr.is_ip4)
2880 ELOG_TYPE_DECLARE (e2) =
2882 .format = "accept: S:%d %d.%d.%d.%d:%d ",
2883 .format_args = "i4i1i1i1i1i2",
2886 CLIB_PACKED (struct {
2893 ELOG_TRACK_DATA (&vcm->elog_main, e2, client_session->elog_track);
2894 ed2->session = client_session_index;
2895 ed2->addr[0] = client_session->lcl_addr.ip46.ip4.as_u8[0];
2896 ed2->addr[1] = client_session->lcl_addr.ip46.ip4.as_u8[1];
2897 ed2->addr[2] = client_session->lcl_addr.ip46.ip4.as_u8[2];
2898 ed2->addr[3] = client_session->lcl_addr.ip46.ip4.as_u8[3];
2899 ed2->port = clib_net_to_host_u16 (client_session->lcl_port);
2904 clib_spinlock_unlock (&vcm->sessions_lockp);
2905 rv = (int) client_session_index;
2911 vppcom_session_connect (uint32_t session_index, vppcom_endpt_t * server_ep)
2913 session_t *session = 0;
2915 int rv, retval = VPPCOM_OK;
2917 VCL_LOCK_AND_GET_SESSION (session_index, &session);
2919 if (PREDICT_FALSE (session->is_vep))
2921 clib_spinlock_unlock (&vcm->sessions_lockp);
2922 clib_warning ("VCL<%d>: ERROR: sid %u: cannot "
2923 "connect on an epoll session!", getpid (), session_index);
2928 if (PREDICT_FALSE (session->state & CLIENT_STATE_OPEN))
2930 if (VPPCOM_DEBUG > 0)
2931 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: session already "
2932 "connected to %s %U port %d proto %s, state 0x%x (%s)",
2933 getpid (), session->vpp_handle, session_index,
2934 session->peer_addr.is_ip4 ? "IPv4" : "IPv6",
2935 format_ip46_address,
2936 &session->peer_addr.ip46, session->peer_addr.is_ip4,
2937 clib_net_to_host_u16 (session->peer_port),
2938 session->proto ? "UDP" : "TCP", session->state,
2939 vppcom_session_state_str (session->state));
2941 clib_spinlock_unlock (&vcm->sessions_lockp);
2945 session->peer_addr.is_ip4 = server_ep->is_ip4;
2946 session->peer_addr.ip46 = to_ip46 (!server_ep->is_ip4, server_ep->ip);
2947 session->peer_port = server_ep->port;
2949 if (VPPCOM_DEBUG > 0)
2950 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: connecting to server "
2951 "%s %U port %d proto %s",
2952 getpid (), session->vpp_handle, session_index,
2953 session->peer_addr.is_ip4 ? "IPv4" : "IPv6",
2954 format_ip46_address,
2955 &session->peer_addr.ip46, session->peer_addr.is_ip4,
2956 clib_net_to_host_u16 (session->peer_port),
2957 session->proto ? "UDP" : "TCP");
2959 vppcom_send_connect_sock (session, session_index);
2960 clib_spinlock_unlock (&vcm->sessions_lockp);
2963 vppcom_wait_for_session_state_change (session_index, STATE_CONNECT,
2964 vcm->cfg.session_timeout);
2966 VCL_LOCK_AND_GET_SESSION (session_index, &session);
2967 vpp_handle = session->vpp_handle;
2968 clib_spinlock_unlock (&vcm->sessions_lockp);
2971 if (PREDICT_FALSE (retval))
2974 if (VPPCOM_DEBUG > 0)
2978 ("VCL<%d>: vpp handle 0x%llx, sid %u: connect failed! "
2979 "returning %d (%s)", getpid (), vpp_handle,
2980 session_index, rv, vppcom_retval_str (rv));
2982 clib_warning ("VCL<%d>: no session for sid %u: connect failed! "
2983 "returning %d (%s)", getpid (),
2984 session_index, rv, vppcom_retval_str (rv));
2987 else if (VPPCOM_DEBUG > 0)
2988 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: connected!",
2989 getpid (), vpp_handle, session_index);
2995 vppcom_session_read_internal (uint32_t session_index, void *buf, int n,
2998 session_t *session = 0;
2999 svm_fifo_t *rx_fifo;
3006 session_state_t state;
3010 VCL_LOCK_AND_GET_SESSION (session_index, &session);
3012 is_nonblocking = VCL_SESS_ATTR_TEST (session->attr, VCL_SESS_ATTR_NONBLOCK);
3013 rx_fifo = session->rx_fifo;
3014 state = session->state;
3015 vpp_handle = session->vpp_handle;
3017 if (PREDICT_FALSE (session->is_vep))
3019 clib_spinlock_unlock (&vcm->sessions_lockp);
3020 clib_warning ("VCL<%d>: ERROR: sid %u: cannot "
3021 "read from an epoll session!", getpid (), session_index);
3026 if (PREDICT_FALSE (!(state & (SERVER_STATE_OPEN | CLIENT_STATE_OPEN))))
3028 clib_spinlock_unlock (&vcm->sessions_lockp);
3029 rv = ((state & STATE_DISCONNECT) ? VPPCOM_ECONNRESET : VPPCOM_ENOTCONN);
3031 if (VPPCOM_DEBUG > 0)
3032 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: %s session is "
3033 "not open! state 0x%x (%s), returning %d (%s)",
3034 getpid (), vpp_handle, session_index, state,
3035 vppcom_session_state_str (state),
3036 rv, vppcom_retval_str (rv));
3040 clib_spinlock_unlock (&vcm->sessions_lockp);
3045 n_read = svm_fifo_peek (rx_fifo, 0, n, buf);
3047 n_read = svm_fifo_dequeue_nowait (rx_fifo, n, buf);
3049 while (!is_nonblocking && (n_read <= 0));
3053 VCL_LOCK_AND_GET_SESSION (session_index, &session);
3055 poll_et = (((EPOLLET | EPOLLIN) & session->vep.ev.events) ==
3056 (EPOLLET | EPOLLIN));
3058 session->vep.et_mask |= EPOLLIN;
3060 if (state & STATE_CLOSE_ON_EMPTY)
3062 rv = VPPCOM_ECONNRESET;
3064 if (VPPCOM_DEBUG > 1)
3066 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: Empty fifo "
3067 "with session state 0x%x (%s)!"
3068 " Setting state to 0x%x (%s), returning %d (%s)",
3069 getpid (), session->vpp_handle, session_index,
3070 state, vppcom_session_state_str (state),
3072 vppcom_session_state_str (STATE_DISCONNECT), rv,
3073 vppcom_retval_str (rv));
3076 session->state = STATE_DISCONNECT;
3081 clib_spinlock_unlock (&vcm->sessions_lockp);
3086 if (VPPCOM_DEBUG > 2)
3089 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: read %d bytes "
3090 "from (%p)", getpid (), vpp_handle,
3091 session_index, n_read, rx_fifo);
3093 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: nothing read! "
3094 "returning %d (%s)", getpid (), vpp_handle,
3095 session_index, rv, vppcom_retval_str (rv));
3102 vppcom_session_read (uint32_t session_index, void *buf, size_t n)
3104 return (vppcom_session_read_internal (session_index, buf, n, 0));
3108 vppcom_session_peek (uint32_t session_index, void *buf, int n)
3110 return (vppcom_session_read_internal (session_index, buf, n, 1));
3114 vppcom_session_read_ready (session_t * session, u32 session_index)
3119 session_state_t state = session->state;
3120 u64 vpp_handle = session->vpp_handle;
3122 /* Assumes caller has acquired spinlock: vcm->sessions_lockp */
3123 if (PREDICT_FALSE (session->is_vep))
3125 clib_warning ("VCL<%d>: ERROR: sid %u: cannot read from an "
3126 "epoll session!", getpid (), session_index);
3131 if (session->state & STATE_LISTEN)
3132 ready = clib_fifo_elts (vcm->client_session_index_fifo);
3135 if (!(state & (SERVER_STATE_OPEN | CLIENT_STATE_OPEN | STATE_LISTEN)))
3137 rv = ((state & STATE_DISCONNECT) ? VPPCOM_ECONNRESET :
3140 if (VPPCOM_DEBUG > 1)
3141 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: session is "
3142 "not open! state 0x%x (%s), returning %d (%s)",
3143 getpid (), vpp_handle, session_index,
3144 state, vppcom_session_state_str (state),
3145 rv, vppcom_retval_str (rv));
3149 ready = svm_fifo_max_dequeue (session->rx_fifo);
3155 ((EPOLLET | EPOLLIN) & session->vep.ev.events) == (EPOLLET | EPOLLIN);
3157 session->vep.et_mask |= EPOLLIN;
3159 if (state & STATE_CLOSE_ON_EMPTY)
3161 rv = VPPCOM_ECONNRESET;
3163 if (VPPCOM_DEBUG > 1)
3165 clib_warning ("VCL<%d>: vpp handle 0x%llx, "
3166 "sid %u: Empty fifo with"
3167 " session state 0x%x (%s)! Setting state to "
3168 "0x%x (%s), returning %d (%s)",
3169 getpid (), session_index, vpp_handle,
3170 state, vppcom_session_state_str (state),
3172 vppcom_session_state_str (STATE_DISCONNECT), rv,
3173 vppcom_retval_str (rv));
3175 session->state = STATE_DISCONNECT;
3181 if (vcm->app_event_queue->cursize &&
3182 !pthread_mutex_trylock (&vcm->app_event_queue->mutex))
3184 u32 i, n_to_dequeue = vcm->app_event_queue->cursize;
3185 session_fifo_event_t e;
3187 for (i = 0; i < n_to_dequeue; i++)
3188 svm_queue_sub_raw (vcm->app_event_queue, (u8 *) & e);
3190 pthread_mutex_unlock (&vcm->app_event_queue->mutex);
3197 vppcom_session_write (uint32_t session_index, void *buf, size_t n)
3199 session_t *session = 0;
3200 svm_fifo_t *tx_fifo = 0;
3202 session_fifo_event_t evt;
3203 session_state_t state;
3204 int rv, n_write, is_nonblocking;
3210 VCL_LOCK_AND_GET_SESSION (session_index, &session);
3212 tx_fifo = session->tx_fifo;
3213 is_nonblocking = VCL_SESS_ATTR_TEST (session->attr, VCL_SESS_ATTR_NONBLOCK);
3214 vpp_handle = session->vpp_handle;
3215 state = session->state;
3217 if (PREDICT_FALSE (session->is_vep))
3219 clib_spinlock_unlock (&vcm->sessions_lockp);
3220 clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: "
3221 "cannot write to an epoll session!",
3222 getpid (), vpp_handle, session_index);
3228 if (!(session->state & (SERVER_STATE_OPEN | CLIENT_STATE_OPEN)))
3231 ((session->state & STATE_DISCONNECT) ? VPPCOM_ECONNRESET :
3234 clib_spinlock_unlock (&vcm->sessions_lockp);
3235 if (VPPCOM_DEBUG > 1)
3236 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
3237 "session is not open! state 0x%x (%s)",
3238 getpid (), vpp_handle, session_index,
3239 state, vppcom_session_state_str (state));
3243 clib_spinlock_unlock (&vcm->sessions_lockp);
3247 n_write = svm_fifo_enqueue_nowait (tx_fifo, n, (void *) buf);
3249 while (!is_nonblocking && (n_write <= 0));
3251 /* If event wasn't set, add one */
3252 if ((n_write > 0) && svm_fifo_set_event (tx_fifo))
3254 /* Fabricate TX event, send to vpp */
3256 evt.event_type = FIFO_EVENT_APP_TX;
3258 VCL_LOCK_AND_GET_SESSION (session_index, &session);
3259 q = session->vpp_event_queue;
3261 svm_queue_add (q, (u8 *) & evt, 0 /* do wait for mutex */ );
3262 clib_spinlock_unlock (&vcm->sessions_lockp);
3263 if (VPPCOM_DEBUG > 1)
3264 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
3265 "added FIFO_EVENT_APP_TX to "
3266 "vpp_event_q %p, n_write %d", getpid (),
3267 vpp_handle, session_index, q, n_write);
3272 VCL_LOCK_AND_GET_SESSION (session_index, &session);
3274 poll_et = (((EPOLLET | EPOLLOUT) & session->vep.ev.events) ==
3275 (EPOLLET | EPOLLOUT));
3277 session->vep.et_mask |= EPOLLOUT;
3279 if (session->state & STATE_CLOSE_ON_EMPTY)
3281 rv = VPPCOM_ECONNRESET;
3283 if (VPPCOM_DEBUG > 1)
3285 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
3286 "Empty fifo with session state 0x%x (%s)!"
3287 " Setting state to 0x%x (%s), returning %d (%s)",
3288 getpid (), session->vpp_handle, session_index,
3290 vppcom_session_state_str (session->state),
3292 vppcom_session_state_str (STATE_DISCONNECT), rv,
3293 vppcom_retval_str (rv));
3296 session->state = STATE_DISCONNECT;
3301 clib_spinlock_unlock (&vcm->sessions_lockp);
3306 if (VPPCOM_DEBUG > 2)
3309 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
3310 "FIFO-FULL (%p)", getpid (), vpp_handle,
3311 session_index, tx_fifo);
3313 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
3314 "wrote %d bytes tx-fifo: (%p)", getpid (),
3315 vpp_handle, session_index, n_write, tx_fifo);
3322 vppcom_session_write_ready (session_t * session, u32 session_index)
3330 /* Assumes caller has acquired spinlock: vcm->sessions_lockp */
3331 if (PREDICT_FALSE (session->is_vep))
3333 clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: "
3334 "cannot write to an epoll session!",
3335 getpid (), session->vpp_handle, session_index);
3340 if (PREDICT_FALSE (session->state & STATE_LISTEN))
3342 clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: "
3343 "cannot write to a listen session!",
3344 getpid (), session->vpp_handle, session_index);
3349 if (!(session->state & (SERVER_STATE_OPEN | CLIENT_STATE_OPEN)))
3351 session_state_t state = session->state;
3353 rv = ((state & STATE_DISCONNECT) ? VPPCOM_ECONNRESET : VPPCOM_ENOTCONN);
3355 clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: "
3356 "session is not open! state 0x%x (%s), "
3357 "returning %d (%s)", getpid (), session->vpp_handle,
3359 state, vppcom_session_state_str (state),
3360 rv, vppcom_retval_str (rv));
3364 ready = svm_fifo_max_enqueue (session->tx_fifo);
3366 if (VPPCOM_DEBUG > 3)
3367 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
3368 "peek %s (%p), ready = %d", getpid (),
3369 session->vpp_handle, session_index,
3370 session->tx_fifo, ready);
3374 poll_et = (((EPOLLET | EPOLLOUT) & session->vep.ev.events) ==
3375 (EPOLLET | EPOLLOUT));
3377 session->vep.et_mask |= EPOLLOUT;
3379 if (session->state & STATE_CLOSE_ON_EMPTY)
3381 rv = VPPCOM_ECONNRESET;
3383 if (VPPCOM_DEBUG > 1)
3385 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
3386 "Empty fifo with session "
3387 "state 0x%x (%s)! Setting state to 0x%x (%s), "
3388 "returning %d (%s)", getpid (),
3389 session->vpp_handle, session_index,
3391 vppcom_session_state_str (session->state),
3393 vppcom_session_state_str (STATE_DISCONNECT), rv,
3394 vppcom_retval_str (rv));
3396 session->state = STATE_DISCONNECT;
3406 vppcom_select (unsigned long n_bits, unsigned long *read_map,
3407 unsigned long *write_map, unsigned long *except_map,
3408 double time_to_wait)
3411 session_t *session = 0;
3412 int rv, bits_set = 0;
3413 f64 timeout = clib_time_now (&vcm->clib_time) + time_to_wait;
3414 u32 minbits = clib_max (n_bits, BITS (uword));
3416 ASSERT (sizeof (clib_bitmap_t) == sizeof (long int));
3418 if (n_bits && read_map)
3420 clib_bitmap_validate (vcm->rd_bitmap, minbits);
3421 clib_memcpy (vcm->rd_bitmap, read_map,
3422 vec_len (vcm->rd_bitmap) * sizeof (clib_bitmap_t));
3423 memset (read_map, 0, vec_len (vcm->rd_bitmap) * sizeof (clib_bitmap_t));
3425 if (n_bits && write_map)
3427 clib_bitmap_validate (vcm->wr_bitmap, minbits);
3428 clib_memcpy (vcm->wr_bitmap, write_map,
3429 vec_len (vcm->wr_bitmap) * sizeof (clib_bitmap_t));
3430 memset (write_map, 0,
3431 vec_len (vcm->wr_bitmap) * sizeof (clib_bitmap_t));
3433 if (n_bits && except_map)
3435 clib_bitmap_validate (vcm->ex_bitmap, minbits);
3436 clib_memcpy (vcm->ex_bitmap, except_map,
3437 vec_len (vcm->ex_bitmap) * sizeof (clib_bitmap_t));
3438 memset (except_map, 0,
3439 vec_len (vcm->ex_bitmap) * sizeof (clib_bitmap_t));
3449 clib_bitmap_foreach (session_index, vcm->rd_bitmap,
3451 clib_spinlock_lock (&vcm->sessions_lockp);
3452 rv = vppcom_session_at_index (session_index, &session);
3455 clib_spinlock_unlock (&vcm->sessions_lockp);
3456 if (VPPCOM_DEBUG > 1)
3457 clib_warning ("VCL<%d>: session %d specified in "
3458 "read_map is closed.", getpid (),
3460 bits_set = VPPCOM_EBADFD;
3464 rv = vppcom_session_read_ready (session, session_index);
3465 clib_spinlock_unlock (&vcm->sessions_lockp);
3466 if (except_map && vcm->ex_bitmap &&
3467 clib_bitmap_get (vcm->ex_bitmap, session_index) &&
3470 clib_bitmap_set_no_check (except_map, session_index, 1);
3475 clib_bitmap_set_no_check (read_map, session_index, 1);
3483 clib_bitmap_foreach (session_index, vcm->wr_bitmap,
3485 clib_spinlock_lock (&vcm->sessions_lockp);
3486 rv = vppcom_session_at_index (session_index, &session);
3489 clib_spinlock_unlock (&vcm->sessions_lockp);
3490 if (VPPCOM_DEBUG > 0)
3491 clib_warning ("VCL<%d>: session %d specified in "
3492 "write_map is closed.", getpid (),
3494 bits_set = VPPCOM_EBADFD;
3498 rv = vppcom_session_write_ready (session, session_index);
3499 clib_spinlock_unlock (&vcm->sessions_lockp);
3500 if (write_map && (rv > 0))
3502 clib_bitmap_set_no_check (write_map, session_index, 1);
3510 clib_bitmap_foreach (session_index, vcm->ex_bitmap,
3512 clib_spinlock_lock (&vcm->sessions_lockp);
3513 rv = vppcom_session_at_index (session_index, &session);
3516 clib_spinlock_unlock (&vcm->sessions_lockp);
3517 if (VPPCOM_DEBUG > 1)
3518 clib_warning ("VCL<%d>: session %d specified in "
3519 "except_map is closed.", getpid (),
3521 bits_set = VPPCOM_EBADFD;
3525 rv = vppcom_session_read_ready (session, session_index);
3526 clib_spinlock_unlock (&vcm->sessions_lockp);
3529 clib_bitmap_set_no_check (except_map, session_index, 1);
3537 while ((time_to_wait == -1) || (clib_time_now (&vcm->clib_time) < timeout));
3544 vep_verify_epoll_chain (u32 vep_idx)
3547 vppcom_epoll_t *vep;
3551 if (VPPCOM_DEBUG <= 1)
3554 /* Assumes caller has acquired spinlock: vcm->sessions_lockp */
3555 rv = vppcom_session_at_index (vep_idx, &session);
3556 if (PREDICT_FALSE (rv))
3558 clib_warning ("VCL<%d>: ERROR: Invalid vep_idx (%u)!",
3559 getpid (), vep_idx);
3562 if (PREDICT_FALSE (!session->is_vep))
3564 clib_warning ("VCL<%d>: ERROR: vep_idx (%u) is not a vep!",
3565 getpid (), vep_idx);
3568 vep = &session->vep;
3569 clib_warning ("VCL<%d>: vep_idx (%u): Dumping epoll chain\n"
3572 " is_vep_session = %u\n"
3573 " next_sid = 0x%x (%u)\n"
3574 " wait_cont_idx = 0x%x (%u)\n"
3575 "}\n", getpid (), vep_idx,
3576 session->is_vep, session->is_vep_session,
3577 vep->next_sid, vep->next_sid,
3578 session->wait_cont_idx, session->wait_cont_idx);
3580 for (sid = vep->next_sid; sid != ~0; sid = vep->next_sid)
3582 rv = vppcom_session_at_index (sid, &session);
3583 if (PREDICT_FALSE (rv))
3585 clib_warning ("VCL<%d>: ERROR: Invalid sid (%u)!", getpid (), sid);
3588 if (PREDICT_FALSE (session->is_vep))
3589 clib_warning ("VCL<%d>: ERROR: sid (%u) is a vep!",
3590 getpid (), vep_idx);
3591 else if (PREDICT_FALSE (!session->is_vep_session))
3593 clib_warning ("VCL<%d>: ERROR: session (%u) "
3594 "is not a vep session!", getpid (), sid);
3597 vep = &session->vep;
3598 if (PREDICT_FALSE (vep->vep_idx != vep_idx))
3599 clib_warning ("VCL<%d>: ERROR: session (%u) vep_idx (%u) != "
3600 "vep_idx (%u)!", getpid (),
3601 sid, session->vep.vep_idx, vep_idx);
3602 if (session->is_vep_session)
3604 clib_warning ("vep_idx[%u]: sid 0x%x (%u)\n"
3606 " next_sid = 0x%x (%u)\n"
3607 " prev_sid = 0x%x (%u)\n"
3608 " vep_idx = 0x%x (%u)\n"
3609 " ev.events = 0x%x\n"
3610 " ev.data.u64 = 0x%llx\n"
3614 vep->next_sid, vep->next_sid,
3615 vep->prev_sid, vep->prev_sid,
3616 vep->vep_idx, vep->vep_idx,
3617 vep->ev.events, vep->ev.data.u64, vep->et_mask);
3622 clib_warning ("VCL<%d>: vep_idx (%u): Dump complete!\n",
3623 getpid (), vep_idx);
3627 vppcom_epoll_create (void)
3629 session_t *vep_session;
3631 elog_track_t vep_elog_track;
3633 clib_spinlock_lock (&vcm->sessions_lockp);
3634 pool_get (vcm->sessions, vep_session);
3635 memset (vep_session, 0, sizeof (*vep_session));
3636 vep_idx = vep_session - vcm->sessions;
3638 vep_session->is_vep = 1;
3639 vep_session->vep.vep_idx = ~0;
3640 vep_session->vep.next_sid = ~0;
3641 vep_session->vep.prev_sid = ~0;
3642 vep_session->wait_cont_idx = ~0;
3643 vep_session->vpp_handle = ~0;
3645 if (VPPCOM_DEBUG > 0)
3647 vep_session->elog_track.name =
3648 (char *) format (0, "C:%d:VEP:%d%c", vcm->my_client_index,
3650 elog_track_register (&vcm->elog_main, &vep_session->elog_track);
3651 vep_elog_track = vep_session->elog_track;
3654 clib_spinlock_unlock (&vcm->sessions_lockp);
3656 if (VPPCOM_DEBUG > 0)
3657 clib_warning ("VCL<%d>: Created vep_idx %u / sid %u!",
3658 getpid (), vep_idx, vep_idx);
3660 if (VPPCOM_DEBUG > 0)
3664 ELOG_TYPE_DECLARE (e) =
3666 .format = "created epoll session:%d",
3667 .format_args = "i4",
3675 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, vep_elog_track);
3684 vppcom_epoll_ctl (uint32_t vep_idx, int op, uint32_t session_index,
3685 struct epoll_event *event)
3687 session_t *vep_session;
3691 if (vep_idx == session_index)
3693 clib_warning ("VCL<%d>: ERROR: vep_idx == session_index (%u)!",
3694 getpid (), vep_idx);
3695 return VPPCOM_EINVAL;
3698 clib_spinlock_lock (&vcm->sessions_lockp);
3699 rv = vppcom_session_at_index (vep_idx, &vep_session);
3700 if (PREDICT_FALSE (rv))
3702 clib_warning ("VCL<%d>: ERROR: Invalid vep_idx (%u)!", vep_idx);
3705 if (PREDICT_FALSE (!vep_session->is_vep))
3707 clib_warning ("VCL<%d>: ERROR: vep_idx (%u) is not a vep!",
3708 getpid (), vep_idx);
3713 ASSERT (vep_session->vep.vep_idx == ~0);
3714 ASSERT (vep_session->vep.prev_sid == ~0);
3716 rv = vppcom_session_at_index (session_index, &session);
3717 if (PREDICT_FALSE (rv))
3719 if (VPPCOM_DEBUG > 0)
3720 clib_warning ("VCL<%d>: ERROR: Invalid session_index (%u)!",
3721 getpid (), session_index);
3724 if (PREDICT_FALSE (session->is_vep))
3726 clib_warning ("ERROR: session_index (%u) is a vep!", vep_idx);
3734 if (PREDICT_FALSE (!event))
3736 clib_warning ("VCL<%d>: ERROR: EPOLL_CTL_ADD: NULL pointer to "
3737 "epoll_event structure!", getpid ());
3741 if (vep_session->vep.next_sid != ~0)
3743 session_t *next_session;
3744 rv = vppcom_session_at_index (vep_session->vep.next_sid,
3746 if (PREDICT_FALSE (rv))
3748 clib_warning ("VCL<%d>: ERROR: EPOLL_CTL_ADD: Invalid "
3749 "vep.next_sid (%u) on vep_idx (%u)!",
3750 getpid (), vep_session->vep.next_sid, vep_idx);
3753 ASSERT (next_session->vep.prev_sid == vep_idx);
3754 next_session->vep.prev_sid = session_index;
3756 session->vep.next_sid = vep_session->vep.next_sid;
3757 session->vep.prev_sid = vep_idx;
3758 session->vep.vep_idx = vep_idx;
3759 session->vep.et_mask = VEP_DEFAULT_ET_MASK;
3760 session->vep.ev = *event;
3761 session->is_vep = 0;
3762 session->is_vep_session = 1;
3763 vep_session->vep.next_sid = session_index;
3764 if (VPPCOM_DEBUG > 1)
3765 clib_warning ("VCL<%d>: EPOLL_CTL_ADD: vep_idx %u, "
3766 "sid %u, events 0x%x, data 0x%llx!",
3767 getpid (), vep_idx, session_index,
3768 event->events, event->data.u64);
3769 if (VPPCOM_DEBUG > 0)
3772 ELOG_TYPE_DECLARE (e) =
3774 .format = "epoll_ctladd: events:%x data:%x",
3775 .format_args = "i4i4i8",
3783 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
3785 ed->events = event->events;
3786 ed->event_data = event->data.u64;
3792 if (PREDICT_FALSE (!event))
3794 clib_warning ("VCL<%d>: ERROR: EPOLL_CTL_MOD: NULL pointer to "
3795 "epoll_event structure!", getpid ());
3799 else if (PREDICT_FALSE (!session->is_vep_session))
3801 clib_warning ("VCL<%d>: ERROR: sid %u EPOLL_CTL_MOD: "
3802 "not a vep session!", getpid (), session_index);
3806 else if (PREDICT_FALSE (session->vep.vep_idx != vep_idx))
3808 clib_warning ("VCL<%d>: ERROR: sid %u EPOLL_CTL_MOD: "
3809 "vep_idx (%u) != vep_idx (%u)!",
3810 getpid (), session_index,
3811 session->vep.vep_idx, vep_idx);
3815 session->vep.et_mask = VEP_DEFAULT_ET_MASK;
3816 session->vep.ev = *event;
3817 if (VPPCOM_DEBUG > 1)
3819 ("VCL<%d>: EPOLL_CTL_MOD: vep_idx %u, sid %u, events 0x%x,"
3820 " data 0x%llx!", getpid (), vep_idx, session_index, event->events,
3825 if (PREDICT_FALSE (!session->is_vep_session))
3827 clib_warning ("VCL<%d>: ERROR: sid %u EPOLL_CTL_DEL: "
3828 "not a vep session!", getpid (), session_index);
3832 else if (PREDICT_FALSE (session->vep.vep_idx != vep_idx))
3834 clib_warning ("VCL<%d>: ERROR: sid %u EPOLL_CTL_DEL: "
3835 "vep_idx (%u) != vep_idx (%u)!",
3836 getpid (), session_index,
3837 session->vep.vep_idx, vep_idx);
3842 vep_session->wait_cont_idx =
3843 (vep_session->wait_cont_idx == session_index) ?
3844 session->vep.next_sid : vep_session->wait_cont_idx;
3846 if (session->vep.prev_sid == vep_idx)
3847 vep_session->vep.next_sid = session->vep.next_sid;
3850 session_t *prev_session;
3851 rv = vppcom_session_at_index (session->vep.prev_sid, &prev_session);
3852 if (PREDICT_FALSE (rv))
3854 clib_warning ("VCL<%d>: ERROR: EPOLL_CTL_DEL: Invalid "
3855 "vep.prev_sid (%u) on sid (%u)!",
3856 getpid (), session->vep.prev_sid, session_index);
3859 ASSERT (prev_session->vep.next_sid == session_index);
3860 prev_session->vep.next_sid = session->vep.next_sid;
3862 if (session->vep.next_sid != ~0)
3864 session_t *next_session;
3865 rv = vppcom_session_at_index (session->vep.next_sid, &next_session);
3866 if (PREDICT_FALSE (rv))
3868 clib_warning ("VCL<%d>: ERROR: EPOLL_CTL_DEL: Invalid "
3869 "vep.next_sid (%u) on sid (%u)!",
3870 getpid (), session->vep.next_sid, session_index);
3873 ASSERT (next_session->vep.prev_sid == session_index);
3874 next_session->vep.prev_sid = session->vep.prev_sid;
3877 memset (&session->vep, 0, sizeof (session->vep));
3878 session->vep.next_sid = ~0;
3879 session->vep.prev_sid = ~0;
3880 session->vep.vep_idx = ~0;
3881 session->is_vep_session = 0;
3882 if (VPPCOM_DEBUG > 1)
3883 clib_warning ("VCL<%d>: EPOLL_CTL_DEL: vep_idx %u, sid %u!",
3884 getpid (), vep_idx, session_index);
3885 if (VPPCOM_DEBUG > 0)
3888 ELOG_TYPE_DECLARE (e) =
3890 .format = "epoll_ctldel: vep:%d",
3891 .format_args = "i4",
3898 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
3906 clib_warning ("VCL<%d>: ERROR: Invalid operation (%d)!", getpid (), op);
3910 vep_verify_epoll_chain (vep_idx);
3913 clib_spinlock_unlock (&vcm->sessions_lockp);
3918 vppcom_epoll_wait (uint32_t vep_idx, struct epoll_event *events,
3919 int maxevents, double wait_for_time)
3921 session_t *vep_session;
3922 elog_track_t vep_elog_track;
3924 f64 timeout = clib_time_now (&vcm->clib_time) + wait_for_time;
3925 u32 keep_trying = 1;
3927 u32 vep_next_sid, wait_cont_idx;
3930 if (PREDICT_FALSE (maxevents <= 0))
3932 clib_warning ("VCL<%d>: ERROR: Invalid maxevents (%d)!",
3933 getpid (), maxevents);
3934 return VPPCOM_EINVAL;
3936 memset (events, 0, sizeof (*events) * maxevents);
3938 VCL_LOCK_AND_GET_SESSION (vep_idx, &vep_session);
3939 vep_next_sid = vep_session->vep.next_sid;
3940 is_vep = vep_session->is_vep;
3941 wait_cont_idx = vep_session->wait_cont_idx;
3942 vep_elog_track = vep_session->elog_track;
3943 clib_spinlock_unlock (&vcm->sessions_lockp);
3945 if (PREDICT_FALSE (!is_vep))
3947 clib_warning ("VCL<%d>: ERROR: vep_idx (%u) is not a vep!",
3948 getpid (), vep_idx);
3952 if (PREDICT_FALSE (vep_next_sid == ~0))
3954 if (VPPCOM_DEBUG > 1)
3955 clib_warning ("VCL<%d>: WARNING: vep_idx (%u) is empty!",
3956 getpid (), vep_idx);
3957 if (VPPCOM_DEBUG > 1)
3960 ELOG_TYPE_DECLARE (e) =
3962 .format = "WRN: vep_idx:%d empty",
3963 .format_args = "i4",
3970 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, vep_elog_track);
3983 elog_track_t session_elog_track;
3985 for (sid = (wait_cont_idx == ~0) ? vep_next_sid : wait_cont_idx;
3986 sid != ~0; sid = next_sid)
3988 u32 session_events, et_mask, clear_et_mask, session_vep_idx;
3989 u8 add_event, is_vep_session;
3991 u64 session_ev_data;
3993 VCL_LOCK_AND_GET_SESSION (sid, &session);
3994 next_sid = session->vep.next_sid;
3995 session_events = session->vep.ev.events;
3996 et_mask = session->vep.et_mask;
3997 is_vep = session->is_vep;
3998 is_vep_session = session->is_vep_session;
3999 session_vep_idx = session->vep.vep_idx;
4000 session_ev_data = session->vep.ev.data.u64;
4002 if (VPPCOM_DEBUG > 0)
4004 session_elog_track = session->elog_track;
4007 clib_spinlock_unlock (&vcm->sessions_lockp);
4009 if (PREDICT_FALSE (is_vep))
4011 if (VPPCOM_DEBUG > 0)
4012 clib_warning ("VCL<%d>: ERROR: sid (%u) is a vep!",
4013 getpid (), vep_idx);
4014 if (VPPCOM_DEBUG > 0)
4017 ELOG_TYPE_DECLARE (e) =
4019 .format = "ERR:vep_idx:%d is vep",
4020 .format_args = "i4",
4027 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session_elog_track);
4036 if (PREDICT_FALSE (!is_vep_session))
4038 if (VPPCOM_DEBUG > 0)
4039 clib_warning ("VCL<%d>: ERROR: session (%u) is not "
4040 "a vep session!", getpid (), sid);
4041 if (VPPCOM_DEBUG > 0)
4044 ELOG_TYPE_DECLARE (e) =
4046 .format = "ERR:SID:%d not vep",
4047 .format_args = "i4",
4054 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session_elog_track);
4063 if (PREDICT_FALSE (session_vep_idx != vep_idx))
4065 clib_warning ("VCL<%d>: ERROR: session (%u) "
4066 "vep_idx (%u) != vep_idx (%u)!",
4067 getpid (), sid, session_vep_idx, vep_idx);
4072 add_event = clear_et_mask = 0;
4074 if (EPOLLIN & session_events)
4076 VCL_LOCK_AND_GET_SESSION (sid, &session);
4077 ready = vppcom_session_read_ready (session, sid);
4078 clib_spinlock_unlock (&vcm->sessions_lockp);
4079 if ((ready > 0) && (EPOLLIN & et_mask))
4082 events[num_ev].events |= EPOLLIN;
4083 if (((EPOLLET | EPOLLIN) & session_events) ==
4084 (EPOLLET | EPOLLIN))
4085 clear_et_mask |= EPOLLIN;
4092 case VPPCOM_ECONNRESET:
4093 events[num_ev].events |= EPOLLHUP | EPOLLRDHUP;
4097 events[num_ev].events |= EPOLLERR;
4103 if (EPOLLOUT & session_events)
4105 VCL_LOCK_AND_GET_SESSION (sid, &session);
4106 ready = vppcom_session_write_ready (session, sid);
4107 clib_spinlock_unlock (&vcm->sessions_lockp);
4108 if ((ready > 0) && (EPOLLOUT & et_mask))
4111 events[num_ev].events |= EPOLLOUT;
4112 if (((EPOLLET | EPOLLOUT) & session_events) ==
4113 (EPOLLET | EPOLLOUT))
4114 clear_et_mask |= EPOLLOUT;
4121 case VPPCOM_ECONNRESET:
4122 events[num_ev].events |= EPOLLHUP;
4126 events[num_ev].events |= EPOLLERR;
4134 events[num_ev].data.u64 = session_ev_data;
4135 if (EPOLLONESHOT & session_events)
4137 VCL_LOCK_AND_GET_SESSION (sid, &session);
4138 session->vep.ev.events = 0;
4139 clib_spinlock_unlock (&vcm->sessions_lockp);
4142 if (num_ev == maxevents)
4144 VCL_LOCK_AND_GET_SESSION (vep_idx, &vep_session);
4145 vep_session->wait_cont_idx = next_sid;
4146 clib_spinlock_unlock (&vcm->sessions_lockp);
4150 if (wait_cont_idx != ~0)
4153 next_sid = vep_next_sid;
4154 else if (next_sid == wait_cont_idx)
4158 if (wait_for_time != -1)
4159 keep_trying = (clib_time_now (&vcm->clib_time) <= timeout) ? 1 : 0;
4161 while ((num_ev == 0) && keep_trying);
4163 if (wait_cont_idx != ~0)
4165 VCL_LOCK_AND_GET_SESSION (vep_idx, &vep_session);
4166 vep_session->wait_cont_idx = ~0;
4167 clib_spinlock_unlock (&vcm->sessions_lockp);
4170 return (rv != VPPCOM_OK) ? rv : num_ev;
4174 vppcom_session_attr (uint32_t session_index, uint32_t op,
4175 void *buffer, uint32_t * buflen)
4179 u32 *flags = buffer;
4180 vppcom_endpt_t *ep = buffer;
4182 VCL_LOCK_AND_GET_SESSION (session_index, &session);
4188 case VPPCOM_ATTR_GET_NREAD:
4189 rv = vppcom_session_read_ready (session, session_index);
4190 if (VPPCOM_DEBUG > 2)
4191 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_NREAD: sid %u, nread = %d",
4193 if (VPPCOM_DEBUG > 0)
4196 ELOG_TYPE_DECLARE (e) =
4198 .format = "VPPCOM_ATTR_GET_NREAD: nread=%d",
4199 .format_args = "i4",
4206 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4214 case VPPCOM_ATTR_GET_NWRITE:
4215 rv = vppcom_session_write_ready (session, session_index);
4216 if (VPPCOM_DEBUG > 2)
4217 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_NWRITE: sid %u, nwrite = %d",
4218 getpid (), session_index, rv);
4219 if (VPPCOM_DEBUG > 0)
4222 ELOG_TYPE_DECLARE (e) =
4224 .format = "VPPCOM_ATTR_GET_NWRITE: nwrite=%d",
4225 .format_args = "i4",
4232 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4239 case VPPCOM_ATTR_GET_FLAGS:
4240 if (PREDICT_TRUE (buffer && buflen && (*buflen >= sizeof (*flags))))
4242 *flags = O_RDWR | (VCL_SESS_ATTR_TEST (session->attr,
4243 VCL_SESS_ATTR_NONBLOCK));
4244 *buflen = sizeof (*flags);
4245 if (VPPCOM_DEBUG > 2)
4246 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_FLAGS: sid %u, "
4247 "flags = 0x%08x, is_nonblocking = %u", getpid (),
4248 session_index, *flags,
4249 VCL_SESS_ATTR_TEST (session->attr,
4250 VCL_SESS_ATTR_NONBLOCK));
4251 if (VPPCOM_DEBUG > 0)
4254 ELOG_TYPE_DECLARE (e) =
4256 .format = "VPPCOM_ATTR_GET_FLAGS: flags=%x is_nonblk=%d",
4257 .format_args = "i4i4",
4265 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4268 ed->is_nonblk = VCL_SESS_ATTR_TEST (session->attr, VCL_SESS_ATTR_NONBLOCK);
4277 case VPPCOM_ATTR_SET_FLAGS:
4278 if (PREDICT_TRUE (buffer && buflen && (*buflen == sizeof (*flags))))
4280 if (*flags & O_NONBLOCK)
4281 VCL_SESS_ATTR_SET (session->attr, VCL_SESS_ATTR_NONBLOCK);
4283 VCL_SESS_ATTR_CLR (session->attr, VCL_SESS_ATTR_NONBLOCK);
4285 if (VPPCOM_DEBUG > 2)
4286 clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_FLAGS: sid %u, "
4287 "flags = 0x%08x, is_nonblocking = %u",
4288 getpid (), session_index, *flags,
4289 VCL_SESS_ATTR_TEST (session->attr,
4290 VCL_SESS_ATTR_NONBLOCK));
4291 if (VPPCOM_DEBUG > 0)
4294 ELOG_TYPE_DECLARE (e) =
4296 .format = "VPPCOM_ATTR_SET_FLAGS: flags=%x is_nonblk=%d",
4297 .format_args = "i4i4",
4305 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4308 ed->is_nonblk = VCL_SESS_ATTR_TEST (session->attr, VCL_SESS_ATTR_NONBLOCK);
4316 case VPPCOM_ATTR_GET_PEER_ADDR:
4317 if (PREDICT_TRUE (buffer && buflen &&
4318 (*buflen >= sizeof (*ep)) && ep->ip))
4320 ep->is_ip4 = session->peer_addr.is_ip4;
4321 ep->port = session->peer_port;
4322 if (session->peer_addr.is_ip4)
4323 clib_memcpy (ep->ip, &session->peer_addr.ip46.ip4,
4324 sizeof (ip4_address_t));
4326 clib_memcpy (ep->ip, &session->peer_addr.ip46.ip6,
4327 sizeof (ip6_address_t));
4328 *buflen = sizeof (*ep);
4329 if (VPPCOM_DEBUG > 1)
4330 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_PEER_ADDR: sid %u, "
4331 "is_ip4 = %u, addr = %U, port %u", getpid (),
4332 session_index, ep->is_ip4, format_ip46_address,
4333 &session->peer_addr.ip46, ep->is_ip4,
4334 clib_net_to_host_u16 (ep->port));
4335 if (VPPCOM_DEBUG > 0)
4340 ELOG_TYPE_DECLARE (e) =
4342 .format = "VPPCOM_ATTR_GET_PEER_ADDR: addr:%d.%d.%d.%d:%d",
4343 .format_args = "i1i1i1i1i2",
4345 CLIB_PACKED (struct {
4350 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4352 ed->addr[0] = session->peer_addr.ip46.ip4.as_u8[0];
4353 ed->addr[1] = session->peer_addr.ip46.ip4.as_u8[1];
4354 ed->addr[2] = session->peer_addr.ip46.ip4.as_u8[2];
4355 ed->addr[3] = session->peer_addr.ip46.ip4.as_u8[3];
4356 ed->port = clib_net_to_host_u16 (session->peer_port);
4362 ELOG_TYPE_DECLARE (e) =
4364 .format = "VPPCOM_ATTR_GET_PEER_ADDR: addr:IP6:%d",
4365 .format_args = "i2",
4367 CLIB_PACKED (struct {
4371 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4373 ed->port = clib_net_to_host_u16 (session->peer_port);
4382 case VPPCOM_ATTR_GET_LCL_ADDR:
4383 if (PREDICT_TRUE (buffer && buflen &&
4384 (*buflen >= sizeof (*ep)) && ep->ip))
4386 ep->is_ip4 = session->lcl_addr.is_ip4;
4387 ep->port = session->lcl_port;
4388 if (session->lcl_addr.is_ip4)
4389 clib_memcpy (ep->ip, &session->lcl_addr.ip46.ip4,
4390 sizeof (ip4_address_t));
4392 clib_memcpy (ep->ip, &session->lcl_addr.ip46.ip6,
4393 sizeof (ip6_address_t));
4394 *buflen = sizeof (*ep);
4395 if (VPPCOM_DEBUG > 1)
4396 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_LCL_ADDR: sid %u, "
4397 "is_ip4 = %u, addr = %U port %d", getpid (),
4398 session_index, ep->is_ip4, format_ip46_address,
4399 &session->lcl_addr.ip46, ep->is_ip4,
4400 clib_net_to_host_u16 (ep->port));
4401 if (VPPCOM_DEBUG > 0)
4406 ELOG_TYPE_DECLARE (e) =
4408 .format = "VPPCOM_ATTR_GET_LCL_ADDR: addr:%d.%d.%d.%d:%d",
4409 .format_args = "i1i1i1i1i2",
4411 CLIB_PACKED (struct {
4416 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4418 ed->addr[0] = session->lcl_addr.ip46.ip4.as_u8[0];
4419 ed->addr[1] = session->lcl_addr.ip46.ip4.as_u8[1];
4420 ed->addr[2] = session->lcl_addr.ip46.ip4.as_u8[2];
4421 ed->addr[3] = session->lcl_addr.ip46.ip4.as_u8[3];
4422 ed->port = clib_net_to_host_u16 (session->peer_port);
4428 ELOG_TYPE_DECLARE (e) =
4430 .format = "VPPCOM_ATTR_GET_LCL_ADDR: addr:IP6:%d",
4431 .format_args = "i2",
4433 CLIB_PACKED (struct {
4437 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4439 ed->port = clib_net_to_host_u16 (session->peer_port);
4448 case VPPCOM_ATTR_GET_LIBC_EPFD:
4449 rv = session->libc_epfd;
4450 if (VPPCOM_DEBUG > 2)
4451 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_LIBC_EPFD: libc_epfd %d",
4453 if (VPPCOM_DEBUG > 0)
4456 ELOG_TYPE_DECLARE (e) =
4458 .format = "VPPCOM_ATTR_GET_LIBC_EPFD: libc_epfd=%d",
4459 .format_args = "i4",
4461 CLIB_PACKED (struct {
4465 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4466 ed->data = session->libc_epfd;
4472 case VPPCOM_ATTR_SET_LIBC_EPFD:
4473 if (PREDICT_TRUE (buffer && buflen &&
4474 (*buflen == sizeof (session->libc_epfd))))
4476 session->libc_epfd = *(int *) buffer;
4477 *buflen = sizeof (session->libc_epfd);
4479 if (VPPCOM_DEBUG > 2)
4480 clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_LIBC_EPFD: libc_epfd %d, "
4481 "buflen %d", getpid (), session->libc_epfd,
4483 if (VPPCOM_DEBUG > 0)
4486 ELOG_TYPE_DECLARE (e) =
4488 .format = "VPPCOM_ATTR_SET_LIBC_EPFD: libc_epfd=%s%d buflen=%d",
4489 .format_args = "t1i4i4",
4490 .n_enum_strings = 2,
4491 .enum_strings = {"", "-",},
4493 CLIB_PACKED (struct {
4498 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4500 ed->sign = (session->libc_epfd < 0);
4501 ed->data[0] = abs(session->libc_epfd);
4502 ed->data[1] = *buflen;
4510 case VPPCOM_ATTR_GET_PROTOCOL:
4511 if (buffer && buflen && (*buflen >= sizeof (int)))
4513 *(int *) buffer = session->proto;
4514 *buflen = sizeof (int);
4516 if (VPPCOM_DEBUG > 2)
4517 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_PROTOCOL: %d (%s), "
4518 "buflen %d", getpid (), *(int *) buffer,
4519 *(int *) buffer ? "UDP" : "TCP", *buflen);
4520 if (VPPCOM_DEBUG > 0)
4523 ELOG_TYPE_DECLARE (e) =
4525 .format = "VPPCOM_ATTR_GET_PROTOCOL: %s buflen=%d",
4526 .format_args = "t1i4",
4527 .n_enum_strings = 2,
4528 .enum_strings = {"TCP", "UDP",},
4531 CLIB_PACKED (struct {
4536 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4537 ed->proto = session->proto;
4538 ed->buflen = *(int *) buffer;
4546 case VPPCOM_ATTR_GET_LISTEN:
4547 if (buffer && buflen && (*buflen >= sizeof (int)))
4549 *(int *) buffer = VCL_SESS_ATTR_TEST (session->attr,
4550 VCL_SESS_ATTR_LISTEN);
4551 *buflen = sizeof (int);
4553 if (VPPCOM_DEBUG > 2)
4554 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_LISTEN: %d, "
4555 "buflen %d", getpid (), *(int *) buffer, *buflen);
4556 if (VPPCOM_DEBUG > 0)
4559 ELOG_TYPE_DECLARE (e) =
4561 .format = "VPPCOM_ATTR_GET_LISTEN: %d buflen=%d",
4562 .format_args = "i4i4",
4569 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4570 ed->data[0] = *(int *) buffer;
4571 ed->data[1] = *buflen;
4579 case VPPCOM_ATTR_GET_ERROR:
4580 if (buffer && buflen && (*buflen >= sizeof (int)))
4582 *(int *) buffer = 0;
4583 *buflen = sizeof (int);
4585 if (VPPCOM_DEBUG > 2)
4586 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_ERROR: %d, "
4587 "buflen %d, #VPP-TBD#", getpid (),
4588 *(int *) buffer, *buflen);
4589 if (VPPCOM_DEBUG > 0)
4592 ELOG_TYPE_DECLARE (e) =
4594 .format = "VPPCOM_ATTR_GET_ERROR: %d buflen=%d",
4595 .format_args = "i4i4",
4602 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4603 ed->data[0] = *(int *) buffer;
4604 ed->data[1] = *buflen;
4612 case VPPCOM_ATTR_GET_TX_FIFO_LEN:
4613 if (buffer && buflen && (*buflen >= sizeof (u32)))
4617 *(size_t *) buffer = (session->sndbuf_size ? session->sndbuf_size :
4618 session->tx_fifo ? session->tx_fifo->nitems :
4619 vcm->cfg.tx_fifo_size);
4620 *buflen = sizeof (u32);
4622 if (VPPCOM_DEBUG > 2)
4623 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_TX_FIFO_LEN: %u (0x%x), "
4624 "buflen %d, #VPP-TBD#", getpid (),
4625 *(size_t *) buffer, *(size_t *) buffer, *buflen);
4626 if (VPPCOM_DEBUG > 0)
4629 ELOG_TYPE_DECLARE (e) =
4631 .format = "VPPCOM_ATTR_GET_TX_FIFO_LEN: 0x%x buflen=%d",
4632 .format_args = "i4i4",
4639 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4640 ed->data[0] = *(size_t *) buffer;
4641 ed->data[1] = *buflen;
4649 case VPPCOM_ATTR_SET_TX_FIFO_LEN:
4650 if (buffer && buflen && (*buflen == sizeof (u32)))
4653 session->sndbuf_size = *(u32 *) buffer;
4654 if (VPPCOM_DEBUG > 2)
4655 clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_TX_FIFO_LEN: %u (0x%x), "
4656 "buflen %d, #VPP-TBD#", getpid (),
4657 session->sndbuf_size, session->sndbuf_size,
4659 if (VPPCOM_DEBUG > 0)
4662 ELOG_TYPE_DECLARE (e) =
4664 .format = "VPPCOM_ATTR_SET_TX_FIFO_LEN: 0x%x buflen=%d",
4665 .format_args = "i4i4",
4672 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4673 ed->data[0] = session->sndbuf_size;
4674 ed->data[1] = *buflen;
4682 case VPPCOM_ATTR_GET_RX_FIFO_LEN:
4683 if (buffer && buflen && (*buflen >= sizeof (u32)))
4687 *(size_t *) buffer = (session->rcvbuf_size ? session->rcvbuf_size :
4688 session->rx_fifo ? session->rx_fifo->nitems :
4689 vcm->cfg.rx_fifo_size);
4690 *buflen = sizeof (u32);
4692 if (VPPCOM_DEBUG > 2)
4693 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_RX_FIFO_LEN: %u (0x%x), "
4694 "buflen %d, #VPP-TBD#", getpid (),
4695 *(size_t *) buffer, *(size_t *) buffer, *buflen);
4696 if (VPPCOM_DEBUG > 0)
4699 ELOG_TYPE_DECLARE (e) =
4701 .format = "VPPCOM_ATTR_GET_RX_FIFO_LEN: 0x%x buflen=%d",
4702 .format_args = "i4i4",
4709 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4710 ed->data[0] = *(size_t *) buffer;
4711 ed->data[1] = *buflen;
4719 case VPPCOM_ATTR_SET_RX_FIFO_LEN:
4720 if (buffer && buflen && (*buflen == sizeof (u32)))
4723 session->rcvbuf_size = *(u32 *) buffer;
4724 if (VPPCOM_DEBUG > 2)
4725 clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_RX_FIFO_LEN: %u (0x%x), "
4726 "buflen %d, #VPP-TBD#", getpid (),
4727 session->sndbuf_size, session->sndbuf_size,
4729 if (VPPCOM_DEBUG > 0)
4732 ELOG_TYPE_DECLARE (e) =
4734 .format = "VPPCOM_ATTR_SET_RX_FIFO_LEN: 0x%x buflen=%d",
4735 .format_args = "i4i4",
4742 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4743 ed->data[0] = session->sndbuf_size;
4744 ed->data[1] = *buflen;
4752 case VPPCOM_ATTR_GET_REUSEADDR:
4753 if (buffer && buflen && (*buflen >= sizeof (int)))
4756 *(int *) buffer = VCL_SESS_ATTR_TEST (session->attr,
4757 VCL_SESS_ATTR_REUSEADDR);
4758 *buflen = sizeof (int);
4760 if (VPPCOM_DEBUG > 2)
4761 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_REUSEADDR: %d, "
4762 "buflen %d, #VPP-TBD#", getpid (), *(int *) buffer,
4764 if (VPPCOM_DEBUG > 0)
4767 ELOG_TYPE_DECLARE (e) =
4769 .format = "VPPCOM_ATTR_GET_REUSEADDR: %d buflen=%d",
4770 .format_args = "i4i4",
4777 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4778 ed->data[0] = *(int *) buffer;
4779 ed->data[1] = *buflen;
4787 case VPPCOM_ATTR_SET_REUSEADDR:
4788 if (buffer && buflen && (*buflen == sizeof (int)) &&
4789 !VCL_SESS_ATTR_TEST (session->attr, VCL_SESS_ATTR_LISTEN))
4792 if (*(int *) buffer)
4793 VCL_SESS_ATTR_SET (session->attr, VCL_SESS_ATTR_REUSEADDR);
4795 VCL_SESS_ATTR_CLR (session->attr, VCL_SESS_ATTR_REUSEADDR);
4797 if (VPPCOM_DEBUG > 2)
4798 clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_REUSEADDR: %d, "
4799 "buflen %d, #VPP-TBD#", getpid (),
4800 VCL_SESS_ATTR_TEST (session->attr,
4801 VCL_SESS_ATTR_REUSEADDR),
4803 if (VPPCOM_DEBUG > 0)
4806 ELOG_TYPE_DECLARE (e) =
4808 .format = "VPPCOM_ATTR_SET_REUSEADDR: %d buflen=%d",
4809 .format_args = "i4i4",
4816 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4817 ed->data[0] = VCL_SESS_ATTR_TEST (session->attr,
4818 VCL_SESS_ATTR_REUSEADDR);
4819 ed->data[1] = *buflen;
4827 case VPPCOM_ATTR_GET_REUSEPORT:
4828 if (buffer && buflen && (*buflen >= sizeof (int)))
4831 *(int *) buffer = VCL_SESS_ATTR_TEST (session->attr,
4832 VCL_SESS_ATTR_REUSEPORT);
4833 *buflen = sizeof (int);
4835 if (VPPCOM_DEBUG > 2)
4836 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_REUSEPORT: %d, "
4837 "buflen %d, #VPP-TBD#", getpid (), *(int *) buffer,
4839 if (VPPCOM_DEBUG > 0)
4842 ELOG_TYPE_DECLARE (e) =
4844 .format = "VPPCOM_ATTR_GET_REUSEPORT: %d buflen=%d",
4845 .format_args = "i4i4",
4852 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4853 ed->data[0] = *(int *) buffer;
4854 ed->data[1] = *buflen;
4862 case VPPCOM_ATTR_SET_REUSEPORT:
4863 if (buffer && buflen && (*buflen == sizeof (int)) &&
4864 !VCL_SESS_ATTR_TEST (session->attr, VCL_SESS_ATTR_LISTEN))
4867 if (*(int *) buffer)
4868 VCL_SESS_ATTR_SET (session->attr, VCL_SESS_ATTR_REUSEPORT);
4870 VCL_SESS_ATTR_CLR (session->attr, VCL_SESS_ATTR_REUSEPORT);
4872 if (VPPCOM_DEBUG > 2)
4873 clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_REUSEPORT: %d, "
4874 "buflen %d, #VPP-TBD#", getpid (),
4875 VCL_SESS_ATTR_TEST (session->attr,
4876 VCL_SESS_ATTR_REUSEPORT),
4878 if (VPPCOM_DEBUG > 0)
4881 ELOG_TYPE_DECLARE (e) =
4883 .format = "VPPCOM_ATTR_SET_REUSEPORT: %d buflen=%d",
4884 .format_args = "i4i4",
4891 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4892 ed->data[0] = VCL_SESS_ATTR_TEST (session->attr,
4893 VCL_SESS_ATTR_REUSEPORT);
4894 ed->data[1] = *buflen;
4902 case VPPCOM_ATTR_GET_BROADCAST:
4903 if (buffer && buflen && (*buflen >= sizeof (int)))
4906 *(int *) buffer = VCL_SESS_ATTR_TEST (session->attr,
4907 VCL_SESS_ATTR_BROADCAST);
4908 *buflen = sizeof (int);
4910 if (VPPCOM_DEBUG > 2)
4911 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_BROADCAST: %d, "
4912 "buflen %d, #VPP-TBD#", getpid (), *(int *) buffer,
4914 if (VPPCOM_DEBUG > 0)
4917 ELOG_TYPE_DECLARE (e) =
4919 .format = "VPPCOM_ATTR_GET_BROADCAST: %d buflen=%d",
4920 .format_args = "i4i4",
4927 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4928 ed->data[0] = *(int *) buffer;
4929 ed->data[1] = *buflen;
4937 case VPPCOM_ATTR_SET_BROADCAST:
4938 if (buffer && buflen && (*buflen == sizeof (int)))
4941 if (*(int *) buffer)
4942 VCL_SESS_ATTR_SET (session->attr, VCL_SESS_ATTR_BROADCAST);
4944 VCL_SESS_ATTR_CLR (session->attr, VCL_SESS_ATTR_BROADCAST);
4946 if (VPPCOM_DEBUG > 2)
4947 clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_BROADCAST: %d, "
4948 "buflen %d, #VPP-TBD#", getpid (),
4949 VCL_SESS_ATTR_TEST (session->attr,
4950 VCL_SESS_ATTR_BROADCAST),
4952 if (VPPCOM_DEBUG > 0)
4955 ELOG_TYPE_DECLARE (e) =
4957 .format = "VPPCOM_ATTR_SET_BROADCAST: %d buflen=%d",
4958 .format_args = "i4i4",
4965 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4966 ed->data[0] = VCL_SESS_ATTR_TEST (session->attr,
4967 VCL_SESS_ATTR_BROADCAST);
4968 ed->data[1] = *buflen;
4976 case VPPCOM_ATTR_GET_V6ONLY:
4977 if (buffer && buflen && (*buflen >= sizeof (int)))
4980 *(int *) buffer = VCL_SESS_ATTR_TEST (session->attr,
4981 VCL_SESS_ATTR_V6ONLY);
4982 *buflen = sizeof (int);
4984 if (VPPCOM_DEBUG > 2)
4985 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_V6ONLY: %d, "
4986 "buflen %d, #VPP-TBD#", getpid (), *(int *) buffer,
4988 if (VPPCOM_DEBUG > 0)
4991 ELOG_TYPE_DECLARE (e) =
4993 .format = "VPPCOM_ATTR_GET_V6ONLY: %d buflen=%d",
4994 .format_args = "i4i4",
5001 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
5002 ed->data[0] = *(int *) buffer;
5003 ed->data[1] = *buflen;
5011 case VPPCOM_ATTR_SET_V6ONLY:
5012 if (buffer && buflen && (*buflen == sizeof (int)))
5015 if (*(int *) buffer)
5016 VCL_SESS_ATTR_SET (session->attr, VCL_SESS_ATTR_V6ONLY);
5018 VCL_SESS_ATTR_CLR (session->attr, VCL_SESS_ATTR_V6ONLY);
5020 if (VPPCOM_DEBUG > 2)
5021 clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_V6ONLY: %d, "
5022 "buflen %d, #VPP-TBD#", getpid (),
5023 VCL_SESS_ATTR_TEST (session->attr,
5024 VCL_SESS_ATTR_V6ONLY), *buflen);
5025 if (VPPCOM_DEBUG > 0)
5028 ELOG_TYPE_DECLARE (e) =
5030 .format = "VPPCOM_ATTR_SET_V6ONLY: %d buflen=%d",
5031 .format_args = "i4i4",
5038 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
5039 ed->data[0] = VCL_SESS_ATTR_TEST (session->attr,
5040 VCL_SESS_ATTR_V6ONLY);
5041 ed->data[1] = *buflen;
5049 case VPPCOM_ATTR_GET_KEEPALIVE:
5050 if (buffer && buflen && (*buflen >= sizeof (int)))
5053 *(int *) buffer = VCL_SESS_ATTR_TEST (session->attr,
5054 VCL_SESS_ATTR_KEEPALIVE);
5055 *buflen = sizeof (int);
5057 if (VPPCOM_DEBUG > 2)
5058 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_KEEPALIVE: %d, "
5059 "buflen %d, #VPP-TBD#", getpid (), *(int *) buffer,
5061 if (VPPCOM_DEBUG > 0)
5064 ELOG_TYPE_DECLARE (e) =
5066 .format = "VPPCOM_ATTR_GET_KEEPALIVE: %d buflen=%d",
5067 .format_args = "i4i4",
5074 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
5075 ed->data[0] = *(int *) buffer;
5076 ed->data[1] = *buflen;
5084 case VPPCOM_ATTR_SET_KEEPALIVE:
5085 if (buffer && buflen && (*buflen == sizeof (int)))
5088 if (*(int *) buffer)
5089 VCL_SESS_ATTR_SET (session->attr, VCL_SESS_ATTR_KEEPALIVE);
5091 VCL_SESS_ATTR_CLR (session->attr, VCL_SESS_ATTR_KEEPALIVE);
5093 if (VPPCOM_DEBUG > 2)
5094 clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_KEEPALIVE: %d, "
5095 "buflen %d, #VPP-TBD#", getpid (),
5096 VCL_SESS_ATTR_TEST (session->attr,
5097 VCL_SESS_ATTR_KEEPALIVE),
5099 if (VPPCOM_DEBUG > 0)
5102 ELOG_TYPE_DECLARE (e) =
5104 .format = "VPPCOM_ATTR_SET_KEEPALIVE: %d buflen=%d",
5105 .format_args = "i4i4",
5112 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
5113 ed->data[0] = VCL_SESS_ATTR_TEST (session->attr,
5114 VCL_SESS_ATTR_KEEPALIVE);
5115 ed->data[1] = *buflen;
5123 case VPPCOM_ATTR_GET_TCP_NODELAY:
5124 if (buffer && buflen && (*buflen >= sizeof (int)))
5127 *(int *) buffer = VCL_SESS_ATTR_TEST (session->attr,
5128 VCL_SESS_ATTR_TCP_NODELAY);
5129 *buflen = sizeof (int);
5131 if (VPPCOM_DEBUG > 2)
5132 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_TCP_NODELAY: %d, "
5133 "buflen %d, #VPP-TBD#", getpid (), *(int *) buffer,
5135 if (VPPCOM_DEBUG > 0)
5138 ELOG_TYPE_DECLARE (e) =
5140 .format = "VPPCOM_ATTR_GET_TCP_NODELAY: %d buflen=%d",
5141 .format_args = "i4i4",
5148 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
5149 ed->data[0] = *(int *) buffer;
5150 ed->data[1] = *buflen;
5158 case VPPCOM_ATTR_SET_TCP_NODELAY:
5159 if (buffer && buflen && (*buflen == sizeof (int)))
5162 if (*(int *) buffer)
5163 VCL_SESS_ATTR_SET (session->attr, VCL_SESS_ATTR_TCP_NODELAY);
5165 VCL_SESS_ATTR_CLR (session->attr, VCL_SESS_ATTR_TCP_NODELAY);
5167 if (VPPCOM_DEBUG > 2)
5168 clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_TCP_NODELAY: %d, "
5169 "buflen %d, #VPP-TBD#", getpid (),
5170 VCL_SESS_ATTR_TEST (session->attr,
5171 VCL_SESS_ATTR_TCP_NODELAY),
5173 if (VPPCOM_DEBUG > 0)
5176 ELOG_TYPE_DECLARE (e) =
5178 .format = "VPPCOM_ATTR_SET_TCP_NODELAY: %d buflen=%d",
5179 .format_args = "i4i4",
5186 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
5187 ed->data[0] = VCL_SESS_ATTR_TEST (session->attr,
5188 VCL_SESS_ATTR_TCP_NODELAY);
5189 ed->data[1] = *buflen;
5197 case VPPCOM_ATTR_GET_TCP_KEEPIDLE:
5198 if (buffer && buflen && (*buflen >= sizeof (int)))
5201 *(int *) buffer = VCL_SESS_ATTR_TEST (session->attr,
5202 VCL_SESS_ATTR_TCP_KEEPIDLE);
5203 *buflen = sizeof (int);
5205 if (VPPCOM_DEBUG > 2)
5206 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_TCP_KEEPIDLE: %d, "
5207 "buflen %d, #VPP-TBD#", getpid (), *(int *) buffer,
5209 if (VPPCOM_DEBUG > 0)
5212 ELOG_TYPE_DECLARE (e) =
5214 .format = "VPPCOM_ATTR_GET_TCP_KEEPIDLE: %d buflen=%d",
5215 .format_args = "i4i4",
5222 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
5223 ed->data[0] = *(int *) buffer;
5224 ed->data[1] = *buflen;
5232 case VPPCOM_ATTR_SET_TCP_KEEPIDLE:
5233 if (buffer && buflen && (*buflen == sizeof (int)))
5236 if (*(int *) buffer)
5237 VCL_SESS_ATTR_SET (session->attr, VCL_SESS_ATTR_TCP_KEEPIDLE);
5239 VCL_SESS_ATTR_CLR (session->attr, VCL_SESS_ATTR_TCP_KEEPIDLE);
5241 if (VPPCOM_DEBUG > 2)
5242 clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_TCP_KEEPIDLE: %d, "
5243 "buflen %d, #VPP-TBD#", getpid (),
5244 VCL_SESS_ATTR_TEST (session->attr,
5245 VCL_SESS_ATTR_TCP_KEEPIDLE),
5247 if (VPPCOM_DEBUG > 0)
5250 ELOG_TYPE_DECLARE (e) =
5252 .format = "VPPCOM_ATTR_SET_TCP_KEEPIDLE: %d buflen=%d",
5253 .format_args = "i4i4",
5260 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
5261 ed->data[0] = VCL_SESS_ATTR_TEST (session->attr,
5262 VCL_SESS_ATTR_TCP_KEEPIDLE);
5263 ed->data[1] = *buflen;
5271 case VPPCOM_ATTR_GET_TCP_KEEPINTVL:
5272 if (buffer && buflen && (*buflen >= sizeof (int)))
5275 *(int *) buffer = VCL_SESS_ATTR_TEST (session->attr,
5276 VCL_SESS_ATTR_TCP_KEEPINTVL);
5277 *buflen = sizeof (int);
5279 if (VPPCOM_DEBUG > 2)
5280 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_TCP_KEEPINTVL: %d, "
5281 "buflen %d, #VPP-TBD#", getpid (), *(int *) buffer,
5283 if (VPPCOM_DEBUG > 0)
5286 ELOG_TYPE_DECLARE (e) =
5288 .format = "VPPCOM_ATTR_GET_TCP_KEEPIDLE: %d buflen=%d",
5289 .format_args = "i4i4",
5296 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
5297 ed->data[0] = *(int *) buffer;
5298 ed->data[1] = *buflen;
5306 case VPPCOM_ATTR_SET_TCP_KEEPINTVL:
5307 if (buffer && buflen && (*buflen == sizeof (int)))
5310 if (*(int *) buffer)
5311 VCL_SESS_ATTR_SET (session->attr, VCL_SESS_ATTR_TCP_KEEPINTVL);
5313 VCL_SESS_ATTR_CLR (session->attr, VCL_SESS_ATTR_TCP_KEEPINTVL);
5315 if (VPPCOM_DEBUG > 2)
5316 clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_TCP_KEEPINTVL: %d, "
5317 "buflen %d, #VPP-TBD#", getpid (),
5318 VCL_SESS_ATTR_TEST (session->attr,
5319 VCL_SESS_ATTR_TCP_KEEPINTVL),
5321 if (VPPCOM_DEBUG > 0)
5324 ELOG_TYPE_DECLARE (e) =
5326 .format = "VPPCOM_ATTR_SET_TCP_KEEPINTVL: %d buflen=%d",
5327 .format_args = "i4i4",
5334 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
5335 ed->data[0] = VCL_SESS_ATTR_TEST (session->attr,
5336 VCL_SESS_ATTR_TCP_KEEPINTVL);
5337 ed->data[1] = *buflen;
5345 case VPPCOM_ATTR_GET_TCP_USER_MSS:
5346 if (buffer && buflen && (*buflen >= sizeof (u32)))
5349 *(u32 *) buffer = session->user_mss;
5350 *buflen = sizeof (int);
5352 if (VPPCOM_DEBUG > 2)
5353 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_TCP_USER_MSS: %d, "
5354 "buflen %d, #VPP-TBD#", getpid (), *(int *) buffer,
5356 if (VPPCOM_DEBUG > 0)
5359 ELOG_TYPE_DECLARE (e) =
5361 .format = "VPPCOM_ATTR_GET_TCP_USER_MSS: %d buflen=%d",
5362 .format_args = "i4i4",
5369 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
5370 ed->data[0] = *(int *) buffer;
5371 ed->data[1] = *buflen;
5379 case VPPCOM_ATTR_SET_TCP_USER_MSS:
5380 if (buffer && buflen && (*buflen == sizeof (u32)))
5383 session->user_mss = *(u32 *) buffer;
5385 if (VPPCOM_DEBUG > 2)
5386 clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_TCP_USER_MSS: %u, "
5387 "buflen %d, #VPP-TBD#", getpid (),
5388 session->user_mss, *buflen);
5389 if (VPPCOM_DEBUG > 0)
5392 ELOG_TYPE_DECLARE (e) =
5394 .format = "VPPCOM_ATTR_SET_TCP_USER_MSS: %d buflen=%d",
5395 .format_args = "i4i4",
5402 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
5403 ed->data[0] = session->user_mss;
5404 ed->data[1] = *buflen;
5418 clib_spinlock_unlock (&vcm->sessions_lockp);
5423 vppcom_session_recvfrom (uint32_t session_index, void *buffer,
5424 uint32_t buflen, int flags, vppcom_endpt_t * ep)
5427 session_t *session = 0;
5431 clib_spinlock_lock (&vcm->sessions_lockp);
5432 rv = vppcom_session_at_index (session_index, &session);
5433 if (PREDICT_FALSE (rv))
5435 clib_spinlock_unlock (&vcm->sessions_lockp);
5436 if (VPPCOM_DEBUG > 0)
5437 clib_warning ("VCL<%d>: invalid session, "
5438 "sid (%u) has been closed!",
5439 getpid (), session_index);
5440 if (VPPCOM_DEBUG > 0)
5443 ELOG_TYPE_DECLARE (e) =
5445 .format = "invalid session: %d closed",
5446 .format_args = "i4",
5453 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, vcm->elog_track);
5454 ed->data = session_index;
5458 clib_spinlock_unlock (&vcm->sessions_lockp);
5461 ep->is_ip4 = session->peer_addr.is_ip4;
5462 ep->port = session->peer_port;
5463 if (session->peer_addr.is_ip4)
5464 clib_memcpy (ep->ip, &session->peer_addr.ip46.ip4,
5465 sizeof (ip4_address_t));
5467 clib_memcpy (ep->ip, &session->peer_addr.ip46.ip6,
5468 sizeof (ip6_address_t));
5469 clib_spinlock_unlock (&vcm->sessions_lockp);
5473 rv = vppcom_session_read (session_index, buffer, buflen);
5474 else if (flags & MSG_PEEK)
5475 rv = vppcom_session_peek (session_index, buffer, buflen);
5478 clib_warning ("VCL<%d>: Unsupport flags for recvfrom %d",
5480 rv = VPPCOM_EAFNOSUPPORT;
5488 vppcom_session_sendto (uint32_t session_index, void *buffer,
5489 uint32_t buflen, int flags, vppcom_endpt_t * ep)
5492 return VPPCOM_EINVAL;
5497 return VPPCOM_EINVAL;
5502 // TBD check the flags and do the right thing
5503 if (VPPCOM_DEBUG > 2)
5504 clib_warning ("VCL<%d>: handling flags 0x%u (%d) "
5505 "not implemented yet.", getpid (), flags, flags);
5508 return (vppcom_session_write (session_index, buffer, buflen));
5512 vppcom_poll (vcl_poll_t * vp, uint32_t n_sids, double wait_for_time)
5514 f64 timeout = clib_time_now (&vcm->clib_time) + wait_for_time;
5515 u32 i, keep_trying = 1;
5518 if (VPPCOM_DEBUG > 3)
5519 clib_warning ("VCL<%d>: vp %p, nsids %u, wait_for_time %f",
5520 getpid (), vp, n_sids, wait_for_time);
5523 return VPPCOM_EFAULT;
5529 for (i = 0; i < n_sids; i++)
5531 ASSERT (vp[i].revents);
5533 VCL_LOCK_AND_GET_SESSION (vp[i].sid, &session);
5534 clib_spinlock_unlock (&vcm->sessions_lockp);
5539 if (POLLIN & vp[i].events)
5541 VCL_LOCK_AND_GET_SESSION (vp[i].sid, &session);
5542 rv = vppcom_session_read_ready (session, vp[i].sid);
5543 clib_spinlock_unlock (&vcm->sessions_lockp);
5546 *vp[i].revents |= POLLIN;
5553 case VPPCOM_ECONNRESET:
5554 *vp[i].revents = POLLHUP;
5558 *vp[i].revents = POLLERR;
5565 if (POLLOUT & vp[i].events)
5567 VCL_LOCK_AND_GET_SESSION (vp[i].sid, &session);
5568 rv = vppcom_session_write_ready (session, vp[i].sid);
5569 clib_spinlock_unlock (&vcm->sessions_lockp);
5572 *vp[i].revents |= POLLOUT;
5579 case VPPCOM_ECONNRESET:
5580 *vp[i].revents = POLLHUP;
5584 *vp[i].revents = POLLERR;
5591 if (0) // Note "done:" label used by VCL_LOCK_AND_GET_SESSION()
5594 *vp[i].revents = POLLNVAL;
5598 if (wait_for_time != -1)
5599 keep_trying = (clib_time_now (&vcm->clib_time) <= timeout) ? 1 : 0;
5601 while ((num_ev == 0) && keep_trying);
5603 if (VPPCOM_DEBUG > 3)
5605 clib_warning ("VCL<%d>: returning %d", getpid (), num_ev);
5606 for (i = 0; i < n_sids; i++)
5608 clib_warning ("VCL<%d>: vp[%d].sid %d (0x%x), .events 0x%x, "
5609 ".revents 0x%x", getpid (), i, vp[i].sid, vp[i].sid,
5610 vp[i].events, *vp[i].revents);
5617 * fd.io coding-style-patch-verification: ON
5620 * eval: (c-set-style "gnu")