2 * Copyright (c) 2017-2019 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 <vnet/vnet.h>
17 #include <vlibmemory/api.h>
18 #include <vnet/session/application.h>
19 #include <vnet/session/application_interface.h>
20 #include <hs_apps/proxy.h>
21 #include <vnet/tcp/tcp.h>
23 proxy_main_t proxy_main;
29 session_endpoint_cfg_t sep;
32 } proxy_connect_args_t;
35 proxy_cb_fn (void *data, u32 data_len)
37 proxy_connect_args_t *pa = (proxy_connect_args_t *) data;
38 vnet_connect_args_t a;
40 clib_memset (&a, 0, sizeof (a));
41 a.api_context = pa->api_context;
42 a.app_index = pa->app_index;
43 clib_memcpy (&a.sep_ext, &pa->sep, sizeof (pa->sep));
45 if (a.sep_ext.ext_cfg)
46 clib_mem_free (a.sep_ext.ext_cfg);
50 proxy_call_main_thread (vnet_connect_args_t * a)
52 if (vlib_get_thread_index () == 0)
55 if (a->sep_ext.ext_cfg)
56 clib_mem_free (a->sep_ext.ext_cfg);
60 proxy_connect_args_t args;
61 args.api_context = a->api_context;
62 args.app_index = a->app_index;
63 clib_memcpy (&args.sep, &a->sep_ext, sizeof (a->sep_ext));
64 vl_api_rpc_call_main_thread (proxy_cb_fn, (u8 *) & args, sizeof (args));
68 static proxy_session_t *
69 proxy_session_alloc (void)
71 proxy_main_t *pm = &proxy_main;
74 pool_get_zero (pm->sessions, ps);
75 ps->ps_index = ps - pm->sessions;
80 static inline proxy_session_t *
81 proxy_session_get (u32 ps_index)
83 proxy_main_t *pm = &proxy_main;
85 return pool_elt_at_index (pm->sessions, ps_index);
88 static inline proxy_session_t *
89 proxy_session_get_if_valid (u32 ps_index)
91 proxy_main_t *pm = &proxy_main;
93 if (pool_is_free_index (pm->sessions, ps_index))
95 return pool_elt_at_index (pm->sessions, ps_index);
99 proxy_session_free (proxy_session_t *ps)
101 proxy_main_t *pm = &proxy_main;
104 clib_memset (ps, 0xFE, sizeof (*ps));
105 pool_put (pm->sessions, ps);
109 proxy_session_postponed_free_rpc (void *arg)
111 uword ps_index = pointer_to_uword (arg);
112 proxy_main_t *pm = &proxy_main;
113 proxy_session_t *ps = 0;
115 clib_spinlock_lock_if_init (&pm->sessions_lock);
117 ps = proxy_session_get (ps_index);
118 segment_manager_dealloc_fifos (ps->server_rx_fifo, ps->server_tx_fifo);
119 proxy_session_free (ps);
121 clib_spinlock_unlock_if_init (&pm->sessions_lock);
127 proxy_session_postponed_free (proxy_session_t *ps)
129 session_send_rpc_evt_to_thread (ps->po_thread_index,
130 proxy_session_postponed_free_rpc,
131 uword_to_pointer (ps->ps_index, void *));
135 proxy_try_close_session (session_t * s, int is_active_open)
137 proxy_main_t *pm = &proxy_main;
138 proxy_session_t *ps = 0;
139 vnet_disconnect_args_t _a, *a = &_a;
141 clib_spinlock_lock_if_init (&pm->sessions_lock);
143 ps = proxy_session_get (s->opaque);
147 a->handle = ps->vpp_active_open_handle;
148 a->app_index = pm->active_open_app_index;
149 vnet_disconnect_session (a);
150 ps->ao_disconnected = 1;
152 if (!ps->po_disconnected)
154 ASSERT (ps->vpp_server_handle != SESSION_INVALID_HANDLE);
155 a->handle = ps->vpp_server_handle;
156 a->app_index = pm->server_app_index;
157 vnet_disconnect_session (a);
158 ps->po_disconnected = 1;
163 a->handle = ps->vpp_server_handle;
164 a->app_index = pm->server_app_index;
165 vnet_disconnect_session (a);
166 ps->po_disconnected = 1;
168 if (!ps->ao_disconnected && !ps->active_open_establishing)
170 /* Proxy session closed before active open */
171 if (ps->vpp_active_open_handle != SESSION_INVALID_HANDLE)
173 a->handle = ps->vpp_active_open_handle;
174 a->app_index = pm->active_open_app_index;
175 vnet_disconnect_session (a);
177 ps->ao_disconnected = 1;
180 clib_spinlock_unlock_if_init (&pm->sessions_lock);
184 proxy_try_delete_session (session_t * s, u8 is_active_open)
186 proxy_main_t *pm = &proxy_main;
187 proxy_session_t *ps = 0;
189 clib_spinlock_lock_if_init (&pm->sessions_lock);
191 ps = proxy_session_get (s->opaque);
195 ps->vpp_active_open_handle = SESSION_INVALID_HANDLE;
197 /* Revert master thread index change on connect notification */
198 ps->server_rx_fifo->master_thread_index = ps->po_thread_index;
200 /* Passive open already cleaned up */
201 if (ps->vpp_server_handle == SESSION_INVALID_HANDLE)
203 ASSERT (s->rx_fifo->refcnt == 1);
205 /* The two sides of the proxy on different threads */
206 if (ps->po_thread_index != s->thread_index)
208 /* This is not the right thread to delete the fifos */
211 proxy_session_postponed_free (ps);
214 proxy_session_free (ps);
219 ps->vpp_server_handle = SESSION_INVALID_HANDLE;
221 if (ps->vpp_active_open_handle == SESSION_INVALID_HANDLE)
223 if (!ps->active_open_establishing)
224 proxy_session_free (ps);
227 clib_spinlock_unlock_if_init (&pm->sessions_lock);
231 common_fifo_tuning_callback (session_t * s, svm_fifo_t * f,
232 session_ft_action_t act, u32 bytes)
234 proxy_main_t *pm = &proxy_main;
236 segment_manager_t *sm = segment_manager_get (f->segment_manager);
237 fifo_segment_t *fs = segment_manager_get_segment (sm, f->segment_index);
239 u8 seg_usage = fifo_segment_get_mem_usage (fs);
240 u32 fifo_in_use = svm_fifo_max_dequeue_prod (f);
241 u32 fifo_size = svm_fifo_size (f);
242 u8 fifo_usage = fifo_in_use * 100 / fifo_size;
245 ASSERT (act < SESSION_FT_ACTION_N_ACTIONS);
247 if (act == SESSION_FT_ACTION_ENQUEUED)
249 if (seg_usage < pm->low_watermark && fifo_usage > 50)
250 update_size = fifo_in_use;
251 else if (seg_usage < pm->high_watermark && fifo_usage > 80)
252 update_size = fifo_in_use;
254 update_size = clib_min (update_size, sm->max_fifo_size - fifo_size);
256 svm_fifo_set_size (f, fifo_size + update_size);
260 if (seg_usage > pm->high_watermark || fifo_usage < 20)
262 else if (seg_usage > pm->low_watermark && fifo_usage < 50)
263 update_size = (bytes / 2);
265 ASSERT (fifo_size >= 4096);
266 update_size = clib_min (update_size, fifo_size - 4096);
268 svm_fifo_set_size (f, fifo_size - update_size);
275 proxy_accept_callback (session_t * s)
277 proxy_main_t *pm = &proxy_main;
280 clib_spinlock_lock_if_init (&pm->sessions_lock);
282 ps = proxy_session_alloc ();
283 ps->vpp_server_handle = session_handle (s);
284 ps->vpp_active_open_handle = SESSION_INVALID_HANDLE;
285 ps->po_thread_index = s->thread_index;
287 s->opaque = ps->ps_index;
289 clib_spinlock_unlock_if_init (&pm->sessions_lock);
291 s->session_state = SESSION_STATE_READY;
297 proxy_disconnect_callback (session_t * s)
299 proxy_try_close_session (s, 0 /* is_active_open */ );
303 proxy_reset_callback (session_t * s)
305 proxy_try_close_session (s, 0 /* is_active_open */ );
309 proxy_connected_callback (u32 app_index, u32 api_context,
310 session_t * s, session_error_t err)
312 clib_warning ("called...");
317 proxy_add_segment_callback (u32 client_index, u64 segment_handle)
323 proxy_transport_needs_crypto (transport_proto_t proto)
325 return proto == TRANSPORT_PROTO_TLS;
329 proxy_rx_callback (session_t * s)
331 proxy_main_t *pm = &proxy_main;
332 u32 thread_index = vlib_get_thread_index ();
333 svm_fifo_t *ao_tx_fifo;
336 ASSERT (s->thread_index == thread_index);
338 clib_spinlock_lock_if_init (&pm->sessions_lock);
340 ps = proxy_session_get (s->opaque);
342 if (PREDICT_TRUE (ps->vpp_active_open_handle != SESSION_INVALID_HANDLE))
344 clib_spinlock_unlock_if_init (&pm->sessions_lock);
346 ao_tx_fifo = s->rx_fifo;
349 * Send event for active open tx fifo
351 if (svm_fifo_set_event (ao_tx_fifo))
353 u32 ao_thread_index = ao_tx_fifo->master_thread_index;
354 u32 ao_session_index = ao_tx_fifo->shr->master_session_index;
355 if (session_send_io_evt_to_thread_custom (&ao_session_index,
358 clib_warning ("failed to enqueue tx evt");
361 if (svm_fifo_max_enqueue (ao_tx_fifo) <= TCP_MSS)
362 svm_fifo_add_want_deq_ntf (ao_tx_fifo, SVM_FIFO_WANT_DEQ_NOTIF);
366 vnet_connect_args_t _a, *a = &_a;
367 svm_fifo_t *tx_fifo, *rx_fifo;
368 u32 max_dequeue, ps_index;
369 int actual_transfer __attribute__ ((unused));
371 rx_fifo = s->rx_fifo;
372 tx_fifo = s->tx_fifo;
374 ASSERT (rx_fifo->master_thread_index == thread_index);
375 ASSERT (tx_fifo->master_thread_index == thread_index);
377 max_dequeue = svm_fifo_max_dequeue_cons (s->rx_fifo);
379 if (PREDICT_FALSE (max_dequeue == 0))
381 clib_spinlock_unlock_if_init (&pm->sessions_lock);
385 max_dequeue = clib_min (pm->rcv_buffer_size, max_dequeue);
386 actual_transfer = svm_fifo_peek (rx_fifo, 0 /* relative_offset */ ,
387 max_dequeue, pm->rx_buf[thread_index]);
389 /* $$$ your message in this space: parse url, etc. */
391 clib_memset (a, 0, sizeof (*a));
393 ps->server_rx_fifo = rx_fifo;
394 ps->server_tx_fifo = tx_fifo;
395 ps->active_open_establishing = 1;
396 ps_index = ps->ps_index;
398 clib_spinlock_unlock_if_init (&pm->sessions_lock);
400 clib_memcpy (&a->sep_ext, &pm->client_sep, sizeof (pm->client_sep));
401 a->api_context = ps_index;
402 a->app_index = pm->active_open_app_index;
404 if (proxy_transport_needs_crypto (a->sep.transport_proto))
406 session_endpoint_alloc_ext_cfg (&a->sep_ext,
407 TRANSPORT_ENDPT_EXT_CFG_CRYPTO);
408 a->sep_ext.ext_cfg->crypto.ckpair_index = pm->ckpair_index;
411 proxy_call_main_thread (a);
418 proxy_force_ack (void *handlep)
420 transport_connection_t *tc;
423 ao_s = session_get_from_handle (pointer_to_uword (handlep));
424 if (session_get_transport_proto (ao_s) != TRANSPORT_PROTO_TCP)
426 tc = session_get_transport (ao_s);
427 tcp_send_ack ((tcp_connection_t *) tc);
431 proxy_tx_callback (session_t * proxy_s)
433 proxy_main_t *pm = &proxy_main;
437 min_free = clib_min (svm_fifo_size (proxy_s->tx_fifo) >> 3, 128 << 10);
438 if (svm_fifo_max_enqueue (proxy_s->tx_fifo) < min_free)
440 svm_fifo_add_want_deq_ntf (proxy_s->tx_fifo, SVM_FIFO_WANT_DEQ_NOTIF);
444 clib_spinlock_lock_if_init (&pm->sessions_lock);
446 ps = proxy_session_get (proxy_s->opaque);
448 if (ps->vpp_active_open_handle == SESSION_INVALID_HANDLE)
451 /* Force ack on active open side to update rcv wnd. Make sure it's done on
452 * the right thread */
453 void *arg = uword_to_pointer (ps->vpp_active_open_handle, void *);
454 session_send_rpc_evt_to_thread (ps->server_rx_fifo->master_thread_index,
455 proxy_force_ack, arg);
458 clib_spinlock_unlock_if_init (&pm->sessions_lock);
464 proxy_cleanup_callback (session_t * s, session_cleanup_ntf_t ntf)
466 if (ntf == SESSION_CLEANUP_TRANSPORT)
469 proxy_try_delete_session (s, 0 /* is_active_open */ );
472 static session_cb_vft_t proxy_session_cb_vft = {
473 .session_accept_callback = proxy_accept_callback,
474 .session_disconnect_callback = proxy_disconnect_callback,
475 .session_connected_callback = proxy_connected_callback,
476 .add_segment_callback = proxy_add_segment_callback,
477 .builtin_app_rx_callback = proxy_rx_callback,
478 .builtin_app_tx_callback = proxy_tx_callback,
479 .session_reset_callback = proxy_reset_callback,
480 .session_cleanup_callback = proxy_cleanup_callback,
481 .fifo_tuning_callback = common_fifo_tuning_callback,
485 active_open_alloc_session_fifos (session_t *s)
487 proxy_main_t *pm = &proxy_main;
488 svm_fifo_t *rxf, *txf;
491 clib_spinlock_lock_if_init (&pm->sessions_lock);
493 ps = proxy_session_get (s->opaque);
495 txf = ps->server_rx_fifo;
496 rxf = ps->server_tx_fifo;
499 * Reset the active-open tx-fifo master indices so the active-open session
500 * will receive data, etc.
502 txf->shr->master_session_index = s->session_index;
503 txf->master_thread_index = s->thread_index;
506 * Account for the active-open session's use of the fifos
507 * so they won't disappear until the last session which uses
513 clib_spinlock_unlock_if_init (&pm->sessions_lock);
522 active_open_connected_callback (u32 app_index, u32 opaque,
523 session_t * s, session_error_t err)
525 proxy_main_t *pm = &proxy_main;
527 u8 thread_index = vlib_get_thread_index ();
530 * Setup proxy session handle.
532 clib_spinlock_lock_if_init (&pm->sessions_lock);
534 ps = proxy_session_get (opaque);
536 /* Connection failed */
539 vnet_disconnect_args_t _a, *a = &_a;
541 a->handle = ps->vpp_server_handle;
542 a->app_index = pm->server_app_index;
543 vnet_disconnect_session (a);
544 ps->po_disconnected = 1;
548 ps->vpp_active_open_handle = session_handle (s);
549 ps->active_open_establishing = 0;
552 /* Passive open session was already closed! */
553 if (ps->po_disconnected)
555 /* Setup everything for the cleanup notification */
556 ps->ao_disconnected = 1;
557 clib_spinlock_unlock_if_init (&pm->sessions_lock);
563 clib_spinlock_unlock_if_init (&pm->sessions_lock);
566 * Send event for active open tx fifo
568 ASSERT (s->thread_index == thread_index);
569 if (svm_fifo_set_event (s->tx_fifo))
570 session_send_io_evt_to_thread (s->tx_fifo, SESSION_IO_EVT_TX);
576 active_open_reset_callback (session_t * s)
578 proxy_try_close_session (s, 1 /* is_active_open */ );
582 active_open_create_callback (session_t * s)
588 active_open_disconnect_callback (session_t * s)
590 proxy_try_close_session (s, 1 /* is_active_open */ );
594 active_open_rx_callback (session_t * s)
596 svm_fifo_t *proxy_tx_fifo;
598 proxy_tx_fifo = s->rx_fifo;
601 * Send event for server tx fifo
603 if (svm_fifo_set_event (proxy_tx_fifo))
605 u8 thread_index = proxy_tx_fifo->master_thread_index;
606 u32 session_index = proxy_tx_fifo->shr->master_session_index;
607 return session_send_io_evt_to_thread_custom (&session_index,
612 if (svm_fifo_max_enqueue (proxy_tx_fifo) <= TCP_MSS)
613 svm_fifo_add_want_deq_ntf (proxy_tx_fifo, SVM_FIFO_WANT_DEQ_NOTIF);
619 active_open_tx_callback (session_t * ao_s)
621 proxy_main_t *pm = &proxy_main;
622 transport_connection_t *tc;
627 min_free = clib_min (svm_fifo_size (ao_s->tx_fifo) >> 3, 128 << 10);
628 if (svm_fifo_max_enqueue (ao_s->tx_fifo) < min_free)
630 svm_fifo_add_want_deq_ntf (ao_s->tx_fifo, SVM_FIFO_WANT_DEQ_NOTIF);
634 clib_spinlock_lock_if_init (&pm->sessions_lock);
636 ps = proxy_session_get_if_valid (ao_s->opaque);
640 if (ps->vpp_server_handle == ~0)
643 proxy_s = session_get_from_handle (ps->vpp_server_handle);
645 /* Force ack on proxy side to update rcv wnd */
646 tc = session_get_transport (proxy_s);
647 tcp_send_ack ((tcp_connection_t *) tc);
650 clib_spinlock_unlock_if_init (&pm->sessions_lock);
656 active_open_cleanup_callback (session_t * s, session_cleanup_ntf_t ntf)
658 if (ntf == SESSION_CLEANUP_TRANSPORT)
661 proxy_try_delete_session (s, 1 /* is_active_open */ );
664 static session_cb_vft_t active_open_clients = {
665 .session_reset_callback = active_open_reset_callback,
666 .session_connected_callback = active_open_connected_callback,
667 .session_accept_callback = active_open_create_callback,
668 .session_disconnect_callback = active_open_disconnect_callback,
669 .session_cleanup_callback = active_open_cleanup_callback,
670 .builtin_app_rx_callback = active_open_rx_callback,
671 .builtin_app_tx_callback = active_open_tx_callback,
672 .fifo_tuning_callback = common_fifo_tuning_callback,
673 .proxy_alloc_session_fifos = active_open_alloc_session_fifos,
677 proxy_server_attach ()
679 proxy_main_t *pm = &proxy_main;
680 u64 options[APP_OPTIONS_N_OPTIONS];
681 vnet_app_attach_args_t _a, *a = &_a;
683 clib_memset (a, 0, sizeof (*a));
684 clib_memset (options, 0, sizeof (options));
686 a->name = format (0, "proxy-server");
687 a->api_client_index = pm->server_client_index;
688 a->session_cb_vft = &proxy_session_cb_vft;
689 a->options = options;
690 a->options[APP_OPTIONS_SEGMENT_SIZE] = pm->segment_size;
691 a->options[APP_OPTIONS_ADD_SEGMENT_SIZE] = pm->segment_size;
692 a->options[APP_OPTIONS_RX_FIFO_SIZE] = pm->fifo_size;
693 a->options[APP_OPTIONS_TX_FIFO_SIZE] = pm->fifo_size;
694 a->options[APP_OPTIONS_MAX_FIFO_SIZE] = pm->max_fifo_size;
695 a->options[APP_OPTIONS_HIGH_WATERMARK] = (u64) pm->high_watermark;
696 a->options[APP_OPTIONS_LOW_WATERMARK] = (u64) pm->low_watermark;
697 a->options[APP_OPTIONS_PRIVATE_SEGMENT_COUNT] = pm->private_segment_count;
698 a->options[APP_OPTIONS_PREALLOC_FIFO_PAIRS] =
699 pm->prealloc_fifos ? pm->prealloc_fifos : 0;
701 a->options[APP_OPTIONS_FLAGS] = APP_OPTIONS_FLAGS_IS_BUILTIN;
703 if (vnet_application_attach (a))
705 clib_warning ("failed to attach server");
708 pm->server_app_index = a->app_index;
715 active_open_attach (void)
717 proxy_main_t *pm = &proxy_main;
718 vnet_app_attach_args_t _a, *a = &_a;
719 u64 options[APP_OPTIONS_N_OPTIONS];
721 clib_memset (a, 0, sizeof (*a));
722 clib_memset (options, 0, sizeof (options));
724 a->api_client_index = pm->active_open_client_index;
725 a->session_cb_vft = &active_open_clients;
726 a->name = format (0, "proxy-active-open");
728 options[APP_OPTIONS_ACCEPT_COOKIE] = 0x12345678;
729 options[APP_OPTIONS_SEGMENT_SIZE] = 512 << 20;
730 options[APP_OPTIONS_RX_FIFO_SIZE] = pm->fifo_size;
731 options[APP_OPTIONS_TX_FIFO_SIZE] = pm->fifo_size;
732 options[APP_OPTIONS_MAX_FIFO_SIZE] = pm->max_fifo_size;
733 options[APP_OPTIONS_HIGH_WATERMARK] = (u64) pm->high_watermark;
734 options[APP_OPTIONS_LOW_WATERMARK] = (u64) pm->low_watermark;
735 options[APP_OPTIONS_PRIVATE_SEGMENT_COUNT] = pm->private_segment_count;
736 options[APP_OPTIONS_PREALLOC_FIFO_PAIRS] =
737 pm->prealloc_fifos ? pm->prealloc_fifos : 0;
739 options[APP_OPTIONS_FLAGS] = APP_OPTIONS_FLAGS_IS_BUILTIN
740 | APP_OPTIONS_FLAGS_IS_PROXY;
742 a->options = options;
744 if (vnet_application_attach (a))
747 pm->active_open_app_index = a->app_index;
755 proxy_server_listen ()
757 proxy_main_t *pm = &proxy_main;
758 vnet_listen_args_t _a, *a = &_a;
761 clib_memset (a, 0, sizeof (*a));
763 a->app_index = pm->server_app_index;
764 clib_memcpy (&a->sep_ext, &pm->server_sep, sizeof (pm->server_sep));
765 if (proxy_transport_needs_crypto (a->sep.transport_proto))
767 session_endpoint_alloc_ext_cfg (&a->sep_ext,
768 TRANSPORT_ENDPT_EXT_CFG_CRYPTO);
769 a->sep_ext.ext_cfg->crypto.ckpair_index = pm->ckpair_index;
772 rv = vnet_listen (a);
773 if (a->sep_ext.ext_cfg)
774 clib_mem_free (a->sep_ext.ext_cfg);
780 proxy_server_add_ckpair (void)
782 vnet_app_add_cert_key_pair_args_t _ck_pair, *ck_pair = &_ck_pair;
783 proxy_main_t *pm = &proxy_main;
785 clib_memset (ck_pair, 0, sizeof (*ck_pair));
786 ck_pair->cert = (u8 *) test_srv_crt_rsa;
787 ck_pair->key = (u8 *) test_srv_key_rsa;
788 ck_pair->cert_len = test_srv_crt_rsa_len;
789 ck_pair->key_len = test_srv_key_rsa_len;
790 vnet_app_add_cert_key_pair (ck_pair);
792 pm->ckpair_index = ck_pair->index;
796 proxy_server_create (vlib_main_t * vm)
798 vlib_thread_main_t *vtm = vlib_get_thread_main ();
799 proxy_main_t *pm = &proxy_main;
803 num_threads = 1 /* main thread */ + vtm->n_threads;
804 vec_validate (pm->rx_buf, num_threads - 1);
806 for (i = 0; i < num_threads; i++)
807 vec_validate (pm->rx_buf[i], pm->rcv_buffer_size);
809 proxy_server_add_ckpair ();
811 if (proxy_server_attach ())
813 clib_warning ("failed to attach server app");
816 if (proxy_server_listen ())
818 clib_warning ("failed to start listening");
821 if (active_open_attach ())
823 clib_warning ("failed to attach active open app");
830 static clib_error_t *
831 proxy_server_create_command_fn (vlib_main_t * vm, unformat_input_t * input,
832 vlib_cli_command_t * cmd)
834 unformat_input_t _line_input, *line_input = &_line_input;
835 char *default_server_uri = "tcp://0.0.0.0/23";
836 char *default_client_uri = "tcp://6.0.2.2/23";
837 u8 *server_uri = 0, *client_uri = 0;
838 proxy_main_t *pm = &proxy_main;
839 clib_error_t *error = 0;
843 pm->fifo_size = 64 << 10;
844 pm->max_fifo_size = 128 << 20;
845 pm->high_watermark = 80;
846 pm->low_watermark = 50;
847 pm->rcv_buffer_size = 1024;
848 pm->prealloc_fifos = 0;
849 pm->private_segment_count = 0;
850 pm->segment_size = 512 << 20;
852 if (vlib_num_workers ())
853 clib_spinlock_init (&pm->sessions_lock);
855 if (!unformat_user (input, unformat_line_input, line_input))
858 while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
860 if (unformat (line_input, "fifo-size %U", unformat_memory_size,
863 else if (unformat (line_input, "max-fifo-size %U", unformat_memory_size,
866 else if (unformat (line_input, "high-watermark %d", &tmp32))
867 pm->high_watermark = (u8) tmp32;
868 else if (unformat (line_input, "low-watermark %d", &tmp32))
869 pm->low_watermark = (u8) tmp32;
870 else if (unformat (line_input, "rcv-buf-size %d", &pm->rcv_buffer_size))
872 else if (unformat (line_input, "prealloc-fifos %d", &pm->prealloc_fifos))
874 else if (unformat (line_input, "private-segment-count %d",
875 &pm->private_segment_count))
877 else if (unformat (line_input, "private-segment-size %U",
878 unformat_memory_size, &tmp64))
880 pm->segment_size = tmp64;
882 else if (unformat (line_input, "server-uri %s", &server_uri))
883 vec_add1 (server_uri, 0);
884 else if (unformat (line_input, "client-uri %s", &client_uri))
885 vec_add1 (client_uri, 0);
888 error = clib_error_return (0, "unknown input `%U'",
889 format_unformat_error, line_input);
896 clib_warning ("No server-uri provided, Using default: %s",
898 server_uri = format (0, "%s%c", default_server_uri, 0);
902 clib_warning ("No client-uri provided, Using default: %s",
904 client_uri = format (0, "%s%c", default_client_uri, 0);
907 if (parse_uri ((char *) server_uri, &pm->server_sep))
909 error = clib_error_return (0, "Invalid server uri %v", server_uri);
912 if (parse_uri ((char *) client_uri, &pm->client_sep))
914 error = clib_error_return (0, "Invalid client uri %v", client_uri);
918 vnet_session_enable_disable (vm, 1 /* turn on session and transport */ );
920 rv = proxy_server_create (vm);
926 error = clib_error_return (0, "server_create returned %d", rv);
930 unformat_free (line_input);
931 vec_free (client_uri);
932 vec_free (server_uri);
936 VLIB_CLI_COMMAND (proxy_create_command, static) =
938 .path = "test proxy server",
939 .short_help = "test proxy server [server-uri <tcp://ip/port>]"
940 "[client-uri <tcp://ip/port>][fifo-size <nn>[k|m]]"
941 "[max-fifo-size <nn>[k|m]][high-watermark <nn>]"
942 "[low-watermark <nn>][rcv-buf-size <nn>][prealloc-fifos <nn>]"
943 "[private-segment-size <mem>][private-segment-count <nn>]",
944 .function = proxy_server_create_command_fn,
948 proxy_main_init (vlib_main_t * vm)
950 proxy_main_t *pm = &proxy_main;
951 pm->server_client_index = ~0;
952 pm->active_open_client_index = ~0;
957 VLIB_INIT_FUNCTION (proxy_main_init);
960 * fd.io coding-style-patch-verification: ON
963 * eval: (c-set-style "gnu")