2 * Copyright (c) 2022 Cisco and/or its affiliates.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with 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.
16 #include <http/http.h>
17 #include <vnet/session/session.h>
18 #include <http/http_timer.h>
20 static http_main_t http_main;
22 const char *http_status_code_str[] = {
23 #define _(c, s, str) str,
24 foreach_http_status_code
28 const char *http_content_type_str[] = {
29 #define _(s, str) str,
30 foreach_http_content_type
34 const http_buffer_type_t msg_to_buf_type[] = {
35 [HTTP_MSG_DATA_INLINE] = HTTP_BUFFER_FIFO,
36 [HTTP_MSG_DATA_PTR] = HTTP_BUFFER_PTR,
39 static inline http_worker_t *
40 http_worker_get (u32 thread_index)
42 return &http_main.wrk[thread_index];
46 http_conn_alloc_w_thread (u32 thread_index)
48 http_worker_t *wrk = http_worker_get (thread_index);
51 pool_get_zero (wrk->conn_pool, hc);
52 hc->c_thread_index = thread_index;
53 hc->h_hc_index = hc - wrk->conn_pool;
54 hc->h_pa_session_handle = SESSION_INVALID_HANDLE;
55 hc->h_tc_session_handle = SESSION_INVALID_HANDLE;
56 return hc->h_hc_index;
59 static inline http_conn_t *
60 http_conn_get_w_thread (u32 hc_index, u32 thread_index)
62 http_worker_t *wrk = http_worker_get (thread_index);
63 return pool_elt_at_index (wrk->conn_pool, hc_index);
67 http_conn_free (http_conn_t *hc)
69 http_worker_t *wrk = http_worker_get (hc->c_thread_index);
70 pool_put (wrk->conn_pool, hc);
74 http_listener_alloc (void)
76 http_main_t *hm = &http_main;
79 pool_get_zero (hm->listener_ctx_pool, ctx);
80 ctx->c_c_index = ctx - hm->listener_ctx_pool;
81 return ctx->c_c_index;
85 http_listener_get (u32 ctx_index)
87 return pool_elt_at_index (http_main.listener_ctx_pool, ctx_index);
91 http_disconnect_transport (http_conn_t *hc)
93 vnet_disconnect_args_t a = {
94 .handle = hc->h_tc_session_handle,
95 .app_index = http_main.app_index,
98 hc->state = HTTP_CONN_STATE_CLOSED;
100 if (vnet_disconnect_session (&a))
101 clib_warning ("disconnect returned");
105 http_conn_timeout_cb (void *hc_handlep)
110 hs_handle = pointer_to_uword (hc_handlep);
111 hc = http_conn_get_w_thread (hs_handle & 0x00FFFFFF, hs_handle >> 24);
113 HTTP_DBG (1, "terminate thread %d index %d hs %llx", hs_handle >> 24,
114 hs_handle & 0x00FFFFFF, hc);
118 hc->timer_handle = ~0;
119 session_transport_closing_notify (&hc->connection);
120 http_disconnect_transport (hc);
124 http_ts_accept_callback (session_t *ts)
126 session_t *ts_listener, *as, *asl;
127 app_worker_t *app_wrk;
128 http_conn_t *lhc, *hc;
132 ts_listener = listen_session_get_from_handle (ts->listener_handle);
133 lhc = http_listener_get (ts_listener->opaque);
135 hc_index = http_conn_alloc_w_thread (ts->thread_index);
136 hc = http_conn_get_w_thread (hc_index, ts->thread_index);
137 clib_memcpy_fast (hc, lhc, sizeof (*lhc));
138 hc->c_thread_index = vlib_get_thread_index ();
139 hc->h_hc_index = hc_index;
141 hc->h_tc_session_handle = session_handle (ts);
142 hc->c_flags |= TRANSPORT_CONNECTION_F_NO_LOOKUP;
144 hc->state = HTTP_CONN_STATE_ESTABLISHED;
145 hc->req_state = HTTP_REQ_STATE_WAIT_METHOD;
147 ts->session_state = SESSION_STATE_READY;
148 ts->opaque = hc_index;
151 * Alloc session and initialize
153 as = session_alloc (hc->c_thread_index);
154 as->session_state = SESSION_STATE_CREATED;
155 hc->c_s_index = as->session_index;
157 as->app_wrk_index = hc->h_pa_wrk_index;
158 as->connection_index = hc->c_c_index;
159 as->session_state = SESSION_STATE_ACCEPTING;
161 asl = listen_session_get_from_handle (lhc->h_pa_session_handle);
162 as->session_type = asl->session_type;
163 as->listener_handle = lhc->h_pa_session_handle;
166 * Init session fifos and notify app
168 if ((rv = app_worker_init_accepted (as)))
170 HTTP_DBG (1, "failed to allocate fifos");
175 hc->h_pa_session_handle = session_handle (as);
176 hc->h_pa_wrk_index = as->app_wrk_index;
177 app_wrk = app_worker_get (as->app_wrk_index);
179 HTTP_DBG (1, "Accepted on listener %u new connection [%u]%x",
180 ts_listener->opaque, vlib_get_thread_index (), hc_index);
182 if ((rv = app_worker_accept_notify (app_wrk, as)))
184 HTTP_DBG (0, "app accept returned");
189 http_conn_timer_start (hc);
195 http_ts_connected_callback (u32 http_app_index, u32 hc_index, session_t *ts,
198 clib_warning ("not supported");
203 http_ts_disconnect_callback (session_t *ts)
207 hc = http_conn_get_w_thread (ts->opaque, ts->thread_index);
209 if (hc->state < HTTP_CONN_STATE_TRANSPORT_CLOSED)
210 hc->state = HTTP_CONN_STATE_TRANSPORT_CLOSED;
212 if (!svm_fifo_max_dequeue_cons (ts->rx_fifo))
213 session_transport_closing_notify (&hc->connection);
217 http_ts_reset_callback (session_t *ts)
221 ctx = http_conn_get_w_thread (ts->opaque, ts->thread_index);
223 if (ctx->state < HTTP_CONN_STATE_TRANSPORT_CLOSED)
224 ctx->state = HTTP_CONN_STATE_TRANSPORT_CLOSED;
226 if (!svm_fifo_max_dequeue_cons (ts->rx_fifo))
227 session_transport_reset_notify (&ctx->connection);
231 * http error boilerplate
233 static const char *http_error_template = "HTTP/1.1 %s\r\n"
235 "Content-Type: text/html\r\n"
236 "Connection: close\r\n"
237 "Pragma: no-cache\r\n"
238 "Content-Length: 0\r\n\r\n";
241 * http response boilerplate
243 static const char *http_response_template = "HTTP/1.1 200 OK\r\n"
245 "Expires: %U GMT\r\n"
246 "Server: VPP Static\r\n"
247 "Content-Type: %s\r\n"
248 "Content-Length: %d\r\n\r\n";
251 send_data (http_conn_t *hc, u8 *data, u32 length, u32 offset)
253 const u32 max_burst = 64 << 10;
258 ts = session_get_from_handle (hc->h_tc_session_handle);
260 to_send = clib_min (length - offset, max_burst);
261 sent = svm_fifo_enqueue (ts->tx_fifo, to_send, data + offset);
266 if (svm_fifo_set_event (ts->tx_fifo))
267 session_send_io_evt_to_thread (ts->tx_fifo, SESSION_IO_EVT_TX);
269 return (offset + sent);
273 send_error (http_conn_t *hc, http_status_code_t ec)
275 http_main_t *hm = &http_main;
279 if (ec >= HTTP_N_STATUS)
280 ec = HTTP_STATUS_INTERNAL_ERROR;
282 now = clib_timebase_now (&hm->timebase);
283 data = format (0, http_error_template, http_status_code_str[ec],
284 format_clib_timebase_time, now);
285 send_data (hc, data, vec_len (data), 0);
290 read_request (http_conn_t *hc)
292 u32 max_deq, cursize;
296 ts = session_get_from_handle (hc->h_tc_session_handle);
298 cursize = vec_len (hc->rx_buf);
299 max_deq = svm_fifo_max_dequeue (ts->rx_fifo);
300 if (PREDICT_FALSE (max_deq == 0))
303 vec_validate (hc->rx_buf, cursize + max_deq - 1);
304 n_read = svm_fifo_dequeue (ts->rx_fifo, max_deq, hc->rx_buf + cursize);
305 ASSERT (n_read == max_deq);
307 if (svm_fifo_is_empty (ts->rx_fifo))
308 svm_fifo_unset_event (ts->rx_fifo);
310 _vec_len (hc->rx_buf) = cursize + n_read;
315 v_find_index (u8 *vec, u32 offset, char *str)
317 int start_index = offset;
318 u32 slen = (u32) strnlen_s_inline (str, 8);
319 u32 vlen = vec_len (vec);
326 for (; start_index < (vlen - slen); start_index++)
328 if (!memcmp (vec + start_index, str, slen))
336 * waiting for request method from peer - parse request method and data
339 state_wait_method (http_conn_t *hc, transport_send_params_t *sp)
341 http_status_code_t ec;
342 app_worker_t *app_wrk;
349 rv = read_request (hc);
351 /* Nothing yet, wait for data or timer expire */
355 if (vec_len (hc->rx_buf) < 8)
357 ec = HTTP_STATUS_BAD_REQUEST;
361 if ((i = v_find_index (hc->rx_buf, 0, "GET ")) >= 0)
363 hc->method = HTTP_REQ_GET;
364 hc->rx_buf_offset = i + 5;
366 i = v_find_index (hc->rx_buf, hc->rx_buf_offset, "HTTP");
369 ec = HTTP_STATUS_BAD_REQUEST;
373 len = i - hc->rx_buf_offset - 1;
375 else if ((i = v_find_index (hc->rx_buf, 0, "POST ")) >= 0)
377 hc->method = HTTP_REQ_POST;
378 hc->rx_buf_offset = i + 6;
379 len = vec_len (hc->rx_buf) - hc->rx_buf_offset - 1;
383 HTTP_DBG (0, "Unknown http method");
384 ec = HTTP_STATUS_METHOD_NOT_ALLOWED;
388 buf = &hc->rx_buf[hc->rx_buf_offset];
390 msg.type = HTTP_MSG_REQUEST;
391 msg.method_type = hc->method;
392 msg.content_type = HTTP_CONTENT_TEXT_HTML;
393 msg.data.type = HTTP_MSG_DATA_INLINE;
396 svm_fifo_seg_t segs[2] = { { (u8 *) &msg, sizeof (msg) }, { buf, len } };
398 as = session_get_from_handle (hc->h_pa_session_handle);
399 rv = svm_fifo_enqueue_segments (as->rx_fifo, segs, 2, 0 /* allow partial */);
400 if (rv < 0 || rv != sizeof (msg) + len)
402 clib_warning ("failed app enqueue");
403 /* This should not happen as we only handle 1 request per session,
404 * and fifo is allocated, but going forward we should consider
409 vec_free (hc->rx_buf);
410 hc->req_state = HTTP_REQ_STATE_WAIT_APP;
412 app_wrk = app_worker_get_if_valid (as->app_wrk_index);
413 app_worker_lock_and_send_event (app_wrk, as, SESSION_IO_EVT_RX);
420 session_transport_closing_notify (&hc->connection);
421 http_disconnect_transport (hc);
427 * waiting for data from app
430 state_wait_app (http_conn_t *hc, transport_send_params_t *sp)
432 http_main_t *hm = &http_main;
433 http_status_code_t ec;
441 as = session_get_from_handle (hc->h_pa_session_handle);
443 rv = svm_fifo_dequeue (as->tx_fifo, sizeof (msg), (u8 *) &msg);
444 ASSERT (rv == sizeof (msg));
446 if (msg.type != HTTP_MSG_REPLY || msg.data.type > HTTP_MSG_DATA_PTR)
448 clib_warning ("unexpected msg type from app %u", msg.type);
449 ec = HTTP_STATUS_INTERNAL_ERROR;
453 if (msg.code != HTTP_STATUS_OK)
459 http_buffer_init (&hc->tx_buf, msg_to_buf_type[msg.data.type], as->tx_fifo,
463 * Add headers. For now:
469 now = clib_timebase_now (&hm->timebase);
470 header = format (0, http_response_template,
472 format_clib_timebase_time, now,
474 format_clib_timebase_time, now + 600.0,
476 http_content_type_str[msg.content_type],
480 offset = send_data (hc, header, vec_len (header), 0);
481 if (offset != vec_len (header))
483 clib_warning ("couldn't send response header!");
484 ec = HTTP_STATUS_INTERNAL_ERROR;
489 /* Start sending the actual data */
490 hc->req_state = HTTP_REQ_STATE_SEND_MORE_DATA;
497 hc->req_state = HTTP_REQ_STATE_WAIT_METHOD;
498 session_transport_closing_notify (&hc->connection);
499 http_disconnect_transport (hc);
501 /* stop state machine processing */
506 state_send_more_data (http_conn_t *hc, transport_send_params_t *sp)
508 u32 max_send = 64 << 10, n_segs;
509 http_buffer_t *hb = &hc->tx_buf;
514 ts = session_get_from_handle (hc->h_tc_session_handle);
515 if ((seg = http_buffer_get_segs (hb, max_send, &n_segs)))
516 sent = svm_fifo_enqueue_segments (ts->tx_fifo, seg, n_segs,
517 1 /* allow partial */);
521 /* Ask scheduler to notify app of deq event if needed */
522 sp->max_burst_size = http_buffer_drain (hb, sent);
526 sp->max_burst_size = 0;
529 /* Not finished sending all data */
530 if (!http_buffer_is_drained (hb))
532 if (sent && svm_fifo_set_event (ts->tx_fifo))
533 session_send_io_evt_to_thread (ts->tx_fifo, SESSION_IO_EVT_TX);
535 if (svm_fifo_max_enqueue (ts->tx_fifo) < 16 << 10)
537 /* Deschedule http session and wait for deq notification if
538 * underlying ts tx fifo almost full */
539 svm_fifo_add_want_deq_ntf (ts->tx_fifo, SVM_FIFO_WANT_DEQ_NOTIF);
540 transport_connection_deschedule (&hc->connection);
541 sp->flags |= TRANSPORT_SND_F_DESCHED;
546 if (sent && svm_fifo_set_event (ts->tx_fifo))
547 session_send_io_evt_to_thread (ts->tx_fifo, SESSION_IO_EVT_TX_FLUSH);
549 /* Finished transaction, back to HTTP_REQ_STATE_WAIT_METHOD */
550 hc->req_state = HTTP_REQ_STATE_WAIT_METHOD;
551 http_buffer_free (&hc->tx_buf);
557 typedef int (*http_sm_handler) (http_conn_t *, transport_send_params_t *sp);
559 static http_sm_handler req_state_funcs[HTTP_REQ_N_STATES] = {
560 /* Waiting for GET, POST, etc. */
562 /* Wait for data from app */
565 state_send_more_data,
569 http_req_run_state_machine (http_conn_t *hc, transport_send_params_t *sp)
575 rv = req_state_funcs[hc->req_state](hc, sp);
581 /* Reset the session expiration timer */
582 http_conn_timer_update (hc);
586 http_ts_rx_callback (session_t *ts)
590 hc = http_conn_get_w_thread (ts->opaque, ts->thread_index);
592 if (hc->req_state != HTTP_REQ_STATE_WAIT_METHOD)
594 clib_warning ("tcp data in req state %u", hc->req_state);
598 http_req_run_state_machine (hc, 0);
600 if (hc->state == HTTP_CONN_STATE_TRANSPORT_CLOSED)
602 if (!svm_fifo_max_dequeue_cons (ts->rx_fifo))
603 session_transport_closing_notify (&hc->connection);
609 http_ts_builtin_tx_callback (session_t *ts)
613 hc = http_conn_get_w_thread (ts->opaque, ts->thread_index);
614 transport_connection_reschedule (&hc->connection);
620 http_ts_cleanup_callback (session_t *ts, session_cleanup_ntf_t ntf)
624 if (ntf == SESSION_CLEANUP_TRANSPORT)
627 hc = http_conn_get_w_thread (ts->opaque, ts->thread_index);
630 clib_warning ("no http connection for %u", ts->session_index);
634 vec_free (hc->rx_buf);
636 http_buffer_free (&hc->tx_buf);
637 http_conn_timer_stop (hc);
639 session_transport_delete_notify (&hc->connection);
644 http_add_segment_callback (u32 client_index, u64 segment_handle)
646 /* No-op for builtin */
651 http_del_segment_callback (u32 client_index, u64 segment_handle)
656 static session_cb_vft_t http_app_cb_vft = {
657 .session_accept_callback = http_ts_accept_callback,
658 .session_disconnect_callback = http_ts_disconnect_callback,
659 .session_connected_callback = http_ts_connected_callback,
660 .session_reset_callback = http_ts_reset_callback,
661 .session_cleanup_callback = http_ts_cleanup_callback,
662 .add_segment_callback = http_add_segment_callback,
663 .del_segment_callback = http_del_segment_callback,
664 .builtin_app_rx_callback = http_ts_rx_callback,
665 .builtin_app_tx_callback = http_ts_builtin_tx_callback,
668 static clib_error_t *
669 http_transport_enable (vlib_main_t *vm, u8 is_en)
671 u32 add_segment_size = 256 << 20, first_seg_size = 32 << 20;
672 vnet_app_detach_args_t _da, *da = &_da;
673 vnet_app_attach_args_t _a, *a = &_a;
674 u64 options[APP_OPTIONS_N_OPTIONS];
675 http_main_t *hm = &http_main;
676 u32 fifo_size = 128 << 12;
680 da->app_index = hm->app_index;
681 da->api_client_index = APP_INVALID_INDEX;
682 vnet_application_detach (da);
686 vec_validate (hm->wrk, vlib_num_workers ());
688 first_seg_size = hm->first_seg_size ? hm->first_seg_size : first_seg_size;
689 fifo_size = hm->fifo_size ? hm->fifo_size : fifo_size;
691 clib_memset (a, 0, sizeof (*a));
692 clib_memset (options, 0, sizeof (options));
694 a->session_cb_vft = &http_app_cb_vft;
695 a->api_client_index = APP_INVALID_INDEX;
696 a->options = options;
697 a->name = format (0, "http");
698 a->options[APP_OPTIONS_SEGMENT_SIZE] = first_seg_size;
699 a->options[APP_OPTIONS_ADD_SEGMENT_SIZE] = add_segment_size;
700 a->options[APP_OPTIONS_RX_FIFO_SIZE] = fifo_size;
701 a->options[APP_OPTIONS_TX_FIFO_SIZE] = fifo_size;
702 a->options[APP_OPTIONS_FLAGS] = APP_OPTIONS_FLAGS_IS_BUILTIN;
703 a->options[APP_OPTIONS_FLAGS] |= APP_OPTIONS_FLAGS_USE_GLOBAL_SCOPE;
704 a->options[APP_OPTIONS_FLAGS] |= APP_OPTIONS_FLAGS_IS_TRANSPORT_APP;
706 if (vnet_application_attach (a))
707 return clib_error_return (0, "failed to attach http app");
709 hm->app_index = a->app_index;
712 clib_timebase_init (&hm->timebase, 0 /* GMT */, CLIB_TIMEBASE_DAYLIGHT_NONE,
713 &vm->clib_time /* share the system clock */);
715 http_timers_init (vm, http_conn_timeout_cb);
721 http_transport_connect (transport_endpoint_cfg_t *tep)
727 http_start_listen (u32 app_listener_index, transport_endpoint_t *tep)
729 vnet_listen_args_t _args = {}, *args = &_args;
730 session_t *tc_listener, *app_listener;
731 http_main_t *hm = &http_main;
732 session_endpoint_cfg_t *sep;
733 app_worker_t *app_wrk;
734 transport_proto_t tp;
740 sep = (session_endpoint_cfg_t *) tep;
742 app_wrk = app_worker_get (sep->app_wrk_index);
743 app = application_get (app_wrk->app_index);
745 args->app_index = hm->app_index;
746 args->sep_ext = *sep;
747 args->sep_ext.ns_index = app->ns_index;
748 tp = sep->ext_cfg ? TRANSPORT_PROTO_TLS : TRANSPORT_PROTO_TCP;
749 args->sep_ext.transport_proto = tp;
751 if (vnet_listen (args))
752 return SESSION_INVALID_INDEX;
754 lhc_index = http_listener_alloc ();
755 lhc = http_listener_get (lhc_index);
757 /* Grab transport connection listener and link to http listener */
758 lhc->h_tc_session_handle = args->handle;
759 al = app_listener_get_w_handle (lhc->h_tc_session_handle);
760 tc_listener = app_listener_get_session (al);
761 tc_listener->opaque = lhc_index;
763 /* Grab application listener and link to http listener */
764 app_listener = listen_session_get (app_listener_index);
765 lhc->h_pa_wrk_index = sep->app_wrk_index;
766 lhc->h_pa_session_handle = listen_session_get_handle (app_listener);
767 lhc->c_flags |= TRANSPORT_CONNECTION_F_NO_LOOKUP;
773 http_transport_close (u32 hc_index, u32 thread_index)
778 HTTP_DBG (1, "App disconnecting %x", hc_index);
780 hc = http_conn_get_w_thread (hc_index, thread_index);
781 as = session_get_from_handle (hc->h_pa_session_handle);
783 /* Nothing more to send, confirm close */
784 if (!svm_fifo_max_dequeue_cons (as->tx_fifo))
786 session_transport_closed_notify (&hc->connection);
787 http_disconnect_transport (hc);
791 /* Wait for all data to be written to ts */
792 hc->state = HTTP_CONN_STATE_APP_CLOSED;
796 static transport_connection_t *
797 http_transport_get_connection (u32 hc_index, u32 thread_index)
799 http_conn_t *hc = http_conn_get_w_thread (hc_index, thread_index);
800 return &hc->connection;
803 static transport_connection_t *
804 http_transport_get_listener (u32 listener_index)
806 http_conn_t *lhc = http_listener_get (listener_index);
807 return &lhc->connection;
811 http_app_tx_callback (void *session, transport_send_params_t *sp)
813 session_t *as = (session_t *) session;
818 hc = http_conn_get_w_thread (as->connection_index, as->thread_index);
819 if (hc->req_state < HTTP_REQ_STATE_WAIT_APP)
821 clib_warning ("app data in req state %u", hc->req_state);
825 http_req_run_state_machine (hc, sp);
827 if (hc->state == HTTP_CONN_STATE_CLOSED)
829 if (!svm_fifo_max_dequeue_cons (as->rx_fifo))
830 http_disconnect_transport (hc);
836 format_http_connection (u8 *s, va_list *args)
838 http_conn_t *hc = va_arg (*args, http_conn_t *);
841 ts = session_get_from_handle (hc->h_tc_session_handle);
842 s = format (s, "[%d:%d][H] app_wrk %u ts %d:%d", hc->c_thread_index,
843 hc->c_s_index, hc->h_pa_wrk_index, ts->thread_index,
850 format_http_listener (u8 *s, va_list *args)
852 http_conn_t *lhc = va_arg (*args, http_conn_t *);
856 al = app_listener_get_w_handle (lhc->h_tc_session_handle);
857 lts = app_listener_get_session (al);
858 s = format (s, "[%d:%d][H] app_wrk %u ts %d:%d", lhc->c_thread_index,
859 lhc->c_s_index, lhc->h_pa_wrk_index, lts->thread_index,
866 format_http_conn_state (u8 *s, va_list *args)
868 http_conn_t *hc = va_arg (*args, http_conn_t *);
872 case HTTP_CONN_STATE_LISTEN:
873 s = format (s, "LISTEN");
875 case HTTP_CONN_STATE_CONNECTING:
876 s = format (s, "CONNECTING");
878 case HTTP_CONN_STATE_ESTABLISHED:
879 s = format (s, "ESTABLISHED");
881 case HTTP_CONN_STATE_TRANSPORT_CLOSED:
882 s = format (s, "TRANSPORT_CLOSED");
884 case HTTP_CONN_STATE_APP_CLOSED:
885 s = format (s, "APP_CLOSED");
887 case HTTP_CONN_STATE_CLOSED:
888 s = format (s, "CLOSED");
896 format_http_transport_connection (u8 *s, va_list *args)
898 u32 tc_index = va_arg (*args, u32);
899 u32 thread_index = va_arg (*args, u32);
900 u32 verbose = va_arg (*args, u32);
903 hc = http_conn_get_w_thread (tc_index, thread_index);
905 s = format (s, "%-" SESSION_CLI_ID_LEN "U", format_http_connection, hc);
909 format (s, "%-" SESSION_CLI_STATE_LEN "U", format_http_conn_state, hc);
911 s = format (s, "\n");
918 format_http_transport_listener (u8 *s, va_list *args)
920 u32 tc_index = va_arg (*args, u32);
921 u32 __clib_unused thread_index = va_arg (*args, u32);
922 u32 __clib_unused verbose = va_arg (*args, u32);
923 http_conn_t *lhc = http_listener_get (tc_index);
925 s = format (s, "%-" SESSION_CLI_ID_LEN "U", format_http_listener, lhc);
928 format (s, "%-" SESSION_CLI_STATE_LEN "U", format_http_conn_state, lhc);
932 static const transport_proto_vft_t http_proto = {
933 .enable = http_transport_enable,
934 .connect = http_transport_connect,
935 .start_listen = http_start_listen,
936 .close = http_transport_close,
937 .custom_tx = http_app_tx_callback,
938 .get_connection = http_transport_get_connection,
939 .get_listener = http_transport_get_listener,
940 .format_connection = format_http_transport_connection,
941 .format_listener = format_http_transport_listener,
942 .transport_options = {
945 .tx_type = TRANSPORT_TX_INTERNAL,
946 .service_type = TRANSPORT_SERVICE_APP,
950 static clib_error_t *
951 http_transport_init (vlib_main_t *vm)
953 transport_register_protocol (TRANSPORT_PROTO_HTTP, &http_proto,
954 FIB_PROTOCOL_IP4, ~0);
955 transport_register_protocol (TRANSPORT_PROTO_HTTP, &http_proto,
956 FIB_PROTOCOL_IP6, ~0);
960 VLIB_INIT_FUNCTION (http_transport_init);
962 VLIB_PLUGIN_REGISTER () = {
963 .version = VPP_BUILD_VER,
964 .description = "Hypertext Transfer Protocol (HTTP)",
965 .default_disabled = 0,
969 * fd.io coding-style-patch-verification: ON
972 * eval: (c-set-style "gnu")